diff --git a/.github/PULL_REQUEST_TEMPLATE.md b/.github/PULL_REQUEST_TEMPLATE.md
index 1a510d93a76..6650c9cc8a9 100644
--- a/.github/PULL_REQUEST_TEMPLATE.md
+++ b/.github/PULL_REQUEST_TEMPLATE.md
@@ -1,142 +1,12 @@
 <!--
-For all PRs:
-  - Replace this preamble with a short summary of WHAT changed and WHY.
-  - Reference any relevant ROADMAP entries, INVARIANTS, briefs, or prior PRs.
-
-If this PR adds, modifies, or expands a hand-Rust file under `src/v3/`
-— including Rust tests under `src/v3/compiler/tests/` and any other
-hand-authored `.rs` in the v3 tree, since they are part of the SG-0
-census (T-PB-A non-test subset OR T-PB-B test subset) — fill in the
-"Per-PR dissolution gate" section below per
-[`_internal/INVARIANTS_OPS.md`](_internal/INVARIANTS_OPS.md) Dispatch-Discipline Mechanisms **(b)**.
-PRs that touch only `.dag` source, generated Rust, docs, non-Rust
-test fixtures, or hand-Rust outside `src/v3/` may delete the gate
-section.
--->
-
-## Evaluator freeze — `src/v3/compiler/src/test_runner.rs` (R3 Bundle 4b)
-
-<!--
-**Delete this entire section** if the PR does not touch `src/v3/compiler/src/test_runner.rs`.
-
-If it **does** touch that file: debt ledger
-`docs/debt/r3-debt-paydown-ledger-2026-05-02.md` row **`test_runner.rs` predicate-language growth**
-requires a **named dissolution hook** the reviewer can open in **one hop**. Cite **exactly one** of:
-
-1. **`docs/briefs/r2-pr-b-2-runner-extension-bundle.md` — §Runner authority discipline** (dissolution-target table):
-   name the **workstream row** this PR advances or the PR that **amends** this table; or
-2. **`docs/briefs/r3-pb-runtime-test-predicate-dissolution-hook.md` — §PB-runtime dissolution hook qualification**
-   (`#pb-runtime-dissolution-hook-qualification`): PB-runtime **allowed hook destination** — Q1–Q4 qualification
-   and disqualifiers in that brief section; name in the PR body how this PR satisfies them when using option **(2)**; or
-3. **[`_internal/ROADMAP_OPS.md`](_internal/ROADMAP_OPS.md)**: the concrete bullet **`test_runner.rs` becoming a parallel test-predicate authority**
-   (tracked-debts / Pattern B row — search in-tree) as the freeze exception / deferral anchor.
-
-**Frozen without hook:** new or expanded bespoke predicate arms, producer identities, oracle paths, or
-observation carve-outs in `test_runner.rs`. PB-runtime hook wiring remains a **parallel** lane — cite **(2)** or
-Evaluator brief **(1)** as appropriate; do not duplicate PB-owned implementation in this repo’s Evaluator PRs.
-
-**STOP+PING** if the change needs a **new substrate or census ratchet carrier** instead of a docs-listed hook.
+Replace this preamble with a short summary of WHAT changed and WHY.
+Reference any relevant ROADMAP entries, INVARIANTS, briefs, or prior PRs.
 -->
 
 ## Summary
 
 (What changed and why.)
 
-## Per-PR dissolution gate (required for new/expanded hand-Rust under `v3/`)
-
-<!--
-Per [`_internal/INVARIANTS_OPS.md`](_internal/INVARIANTS_OPS.md) Dispatch-Discipline Mechanisms **(b)**: no new or
-expanded hand-Rust under `src/v3/` without a single, checkable receipt.
-Fill the single bullet under the gate using **exactly one** of the
-three dispositions below — not a mix, not a vague umbrella phrase.
-
-(1) Deletes: name the file or scaffold path that this PR removes or
-    fully retires (repo-relative path is enough).
-
-(2) SG-0 census shrink: name the ratchet slice in
-    `src/v3/compiler/tests/integration/sg0_census_test.rs`
-    (`EXPECTED_HAND_AUTHORED_NON_TEST`, `EXPECTED_HAND_AUTHORED_TEST`, or
-    the fragment lists) and give **before → after** entry counts (e.g.
-    "`EXPECTED_HAND_AUTHORED_TEST`: 71 → 70 paths").
-
-(3) Explicit deferral: name the **lane or workstream ID** (e.g. T-PB-B,
-    SG-2c) **and** cite a **concrete row in [`_internal/ROADMAP_OPS.md`](_internal/ROADMAP_OPS.md)** — path in-tree plus
-    stable heading or table row, or a permalink (GitHub line link,
-    `#fragment` that resolves in that file). A reviewer must open the
-    cited row in one hop.
-
-**Insufficient (do not use as the sole gate answer):** "see ROADMAP" (without `_internal/ROADMAP_OPS.md`),
-"TBD", "tracked elsewhere", "follow-up PR", lane name alone, or any
-uncited narrative deferral without the row/link above.
-
-If the PR introduces a string/path/name identity bridge (sentinel,
-fixture-name routing, `span.file ==` check, `include_str!` side-channel),
-it MUST be authored against the §0 identity-carrier pass program (see
-PR #810 §0); not as a one-off. Cite the program brief.
--->
-
-- **Exactly one disposition** (delete path **or** census shrink with N→M **or** lane + cited `_internal/ROADMAP_OPS.md` row/link): ___
-
-## SG-0 net-shrink discipline (required when `sg0_census_test.rs` changes)
-
-<!--
-CI: Wave 1 §11.7.1 floor (`fmt` + `ci_floor`: M1, bootstrap, ci.dag binding smoke).
-
-When this PR edits `src/v3/compiler/tests/integration/sg0_census_test.rs`, the
-GitHub PR **description** must include a line starting exactly with
-`SG-0 hand-path delta:` followed by a signed net path delta for this PR's
-census edits (`0`, `+0`, `-3`, `+1`, …).
-
-If the delta is a **strict net add** (`+1`, `+2`, … — not `+0`), the
-description must also include a line containing `SG-0 pairing: (a)` **or**
-`(b)` **or** `(c)` with the rationale on that line or immediately after.
-Pairing classes: **(a)** same-PR retirements (removed paths named), **(b)**
-Director-budget citation (URL), **(c)** structural deferral + named follow-up
-dispatch.
-
-**Delete this entire section** if `sg0_census_test.rs` is untouched.
-
-Authority: [`_internal/ROADMAP_OPS.md`](_internal/ROADMAP_OPS.md) § *SG-0 PR-window net-shrink discipline*.
--->
-
-**CI reads raw PR description text.** The lines the gate matches must start at column 0 with `SG-0 hand-path delta:` and (when required) `SG-0 pairing:` — a leading markdown list marker (`- …`) or bold wrapper on the same line will **not** satisfy the checker. Paste the two lines below the checklist into the description body as plain text (you can keep the bullets as a personal reminder).
-
-- **Paste into PR description — `SG-0 hand-path delta:`** ___
-
-- **Paste into PR description — `SG-0 pairing:`** ___ (`n/a` unless delta is strict `+N`, `N>0`)
-
-## Per-PR debt-paydown receipt (required for all PRs)
-
-<!--
-Per docs/briefs/r3-debt-paydown-program-coordination.md (#1518) and
-[`_internal/INVARIANTS_OPS.md`](_internal/INVARIANTS_OPS.md) Dispatch-Discipline Mechanisms **(c)** (velocity tripwire).
-
-Fill this section with a single-checkable receipt for tracked debt rows in
-[`_internal/ROADMAP_OPS.md`](_internal/ROADMAP_OPS.md) touched by this PR. This is separate from the hand-Rust dissolution
-gate above: the gate covers SG-0 hand-Rust scaffold discipline; this section
-covers debt-row retirement discipline for the R3 Debt-Paydown standing program.
-
-Use one bullet per touched debt row. Each bullet must use exactly one of
-the three dispositions below:
-
-(1) Debt paid: cite the row in [`_internal/ROADMAP_OPS.md`](_internal/ROADMAP_OPS.md) by path + heading/anchor or permalink,
-    and name the retirement mechanism in this PR.
-
-(2) Debt found, routed: cite the row in [`_internal/ROADMAP_OPS.md`](_internal/ROADMAP_OPS.md) by path + heading/anchor or
-    permalink, and name the owning lane plus the filed retirement issue/PR.
-    Routing is interim only; the row remains open until the retirement PR
-    merges.
-
-(3) No debt touched: use only when the PR neither introduces, modifies, nor
-    retires a tracked-debt row.
-
-Insufficient: "see ROADMAP" (without `_internal/ROADMAP_OPS.md`), "TBD", "tracked elsewhere", "follow-up PR",
-a lane name without a cited row, or any routed debt without a filed
-retirement issue/PR.
--->
-
-- **Exactly one disposition** (Debt paid **or** Debt found + routed **or** No debt touched): ___
-
 ## Test plan
 
 - [ ] (Bulleted checklist of TODOs for verifying the PR.)
diff --git a/CLAUDE.md b/CLAUDE.md
index bda07279e3f..aae6e99b5d1 100644
--- a/CLAUDE.md
+++ b/CLAUDE.md
@@ -13,7 +13,6 @@ Read these docs before working:
 
 ```bash
 cargo test --workspace                     # all workspace crates (hand-written + integration)
-cargo test -p v3-compiler                  # v3 compiler — NOTE: most tests here are dormant in CI; the one exception is get_off_v3_compile_to_dag_caller_count_is_at_or_below_ceiling (wired into ci_floor_parity via PR #4659). New tests added to this crate are NOT automatically CI-gated
 cargo clippy --all-targets -- -D warnings  # lint
 cargo fmt --all --check                    # format check (also runs via pre-push hook)
 ```
diff --git a/Cargo.lock b/Cargo.lock
index a2d649dc403..b56ee2e31d7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -17,12 +17,6 @@ dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "anes"
-version = "0.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b46cbb362ab8752921c97e041f5e366ee6297bd428a31275b9fcf1e380f7299"
-
 [[package]]
 name = "anstream"
 version = "1.0.0"
@@ -88,12 +82,6 @@ dependencies = [
  "object",
 ]
 
-[[package]]
-name = "autocfg"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
-
 [[package]]
 name = "base64"
 version = "0.22.1"
@@ -115,27 +103,6 @@ dependencies = [
  "typenum",
 ]
 
-[[package]]
-name = "block-buffer"
-version = "0.10.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3078c7629b62d3f0439517fa394996acacc5cbc91c5a20d8c658e77abd503a71"
-dependencies = [
- "generic-array",
-]
-
-[[package]]
-name = "bumpalo"
-version = "3.20.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d20789868f4b01b2f2caec9f5c4e0213b41e3e5702a50157d699ae31ced2fcb"
-
-[[package]]
-name = "cast"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "37b2a672a2cb129a2e41c10b1224bb368f9f37a2b16b612598138befd7b37eb5"
-
 [[package]]
 name = "cc"
 version = "1.2.62"
@@ -176,33 +143,6 @@ dependencies = [
  "v2-compiler",
 ]
 
-[[package]]
-name = "ciborium"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "42e69ffd6f0917f5c029256a24d0161db17cea3997d185db0d35926308770f0e"
-dependencies = [
- "ciborium-io",
- "ciborium-ll",
- "serde",
-]
-
-[[package]]
-name = "ciborium-io"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "05afea1e0a06c9be33d539b876f1ce3692f4afea2cb41f740e7743225ed1c757"
-
-[[package]]
-name = "ciborium-ll"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57663b653d948a338bfb3eeba9bb2fd5fcfaecb9e199e87e1eda4d9e8b240fd9"
-dependencies = [
- "ciborium-io",
- "half",
-]
-
 [[package]]
 name = "clap"
 version = "4.6.1"
@@ -253,15 +193,6 @@ checksum = "1d07550c9036bf2ae0c684c4297d503f838287c83c53686d05370d0e139ae570"
 name = "compile_host_runner"
 version = "0.1.0"
 
-[[package]]
-name = "cpufeatures"
-version = "0.2.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59ed5838eebb26a2bb2e58f6d5b5316989ae9d08bab10e0e6d103e656d1b0280"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "crc32fast"
 version = "1.5.0"
@@ -271,93 +202,6 @@ dependencies = [
  "cfg-if",
 ]
 
-[[package]]
-name = "criterion"
-version = "0.5.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2b12d017a929603d80db1831cd3a24082f8137ce19c69e6447f54f5fc8d692f"
-dependencies = [
- "anes",
- "cast",
- "ciborium",
- "clap",
- "criterion-plot",
- "is-terminal",
- "itertools",
- "num-traits",
- "once_cell",
- "oorandom",
- "plotters",
- "rayon",
- "regex",
- "serde",
- "serde_derive",
- "serde_json",
- "tinytemplate",
- "walkdir",
-]
-
-[[package]]
-name = "criterion-plot"
-version = "0.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6b50826342786a51a89e2da3a28f1c32b06e387201bc2d19791f622c673706b1"
-dependencies = [
- "cast",
- "itertools",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.8.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9dd111b7b7f7d55b72c0a6ae361660ee5853c9af73f70c3c2ef6858b950e2e51"
-dependencies = [
- "crossbeam-epoch",
- "crossbeam-utils",
-]
-
-[[package]]
-name = "crossbeam-epoch"
-version = "0.9.18"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b82ac4a3c2ca9c3460964f020e1402edd5753411d7737aa39c3714ad1b5420e"
-dependencies = [
- "crossbeam-utils",
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-
-[[package]]
-name = "crossbeam-utils"
-version = "0.8.21"
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-checksum = "d0a5c400df2834b80a4c3327b3aad3a4c4cd4de0629063962b03235697506a28"
-
-[[package]]
-name = "crunchy"
-version = "0.2.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "460fbee9c2c2f33933d720630a6a0bac33ba7053db5344fac858d4b8952d77d5"
-
-[[package]]
-name = "crypto-common"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "78c8292055d1c1df0cce5d180393dc8cce0abec0a7102adb6c7b1eef6016d60a"
-dependencies = [
- "generic-array",
- "typenum",
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-
-[[package]]
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-dependencies = [
- "block-buffer",
- "crypto-common",
-]
-
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -369,12 +213,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "either"
-version = "1.15.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c757948c5ede0e46177b7add2e67155f70e33c07fea8284df6576da70b3719"
-
 [[package]]
 name = "emit_host_runner"
 version = "0.1.0"
@@ -395,13 +233,6 @@ dependencies = [
  "windows-sys 0.61.2",
 ]
 
-[[package]]
-name = "execute-command-bootstrap"
-version = "0.1.0"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "fastrand"
 version = "2.4.1"
@@ -439,40 +270,6 @@ dependencies = [
  "percent-encoding",
 ]
 
-[[package]]
-name = "futures-core"
-version = "0.3.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e3450815272ef58cec6d564423f6e755e25379b217b0bc688e295ba24df6b1d"
-
-[[package]]
-name = "futures-task"
-version = "0.3.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "037711b3d59c33004d3856fbdc83b99d4ff37a24768fa1be9ce3538a1cde4393"
-
-[[package]]
-name = "futures-util"
-version = "0.3.32"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "389ca41296e6190b48053de0321d02a77f32f8a5d2461dd38762c0593805c6d6"
-dependencies = [
- "futures-core",
- "futures-task",
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- "slab",
-]
-
-[[package]]
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-version = "0.14.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
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-dependencies = [
- "typenum",
- "version_check",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.17"
@@ -497,17 +294,6 @@ dependencies = [
  "wasip3",
 ]
 
-[[package]]
-name = "half"
-version = "2.7.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ea2d84b969582b4b1864a92dc5d27cd2b77b622a8d79306834f1be5ba20d84b"
-dependencies = [
- "cfg-if",
- "crunchy",
- "zerocopy",
-]
-
 [[package]]
 name = "hashbrown"
 version = "0.15.5"
@@ -529,12 +315,6 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2304e00983f87ffb38b55b444b5e3b60a884b5d30c0fca7d82fe33449bbe55ea"
 
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-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc0fef456e4baa96da950455cd02c081ca953b141298e41db3fc7e36b1da849c"
-
 [[package]]
 name = "icu_collections"
 version = "2.2.0"
@@ -670,50 +450,18 @@ dependencies = [
  "serde_core",
 ]
 
-[[package]]
-name = "is-terminal"
-version = "0.4.17"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3640c1c38b8e4e43584d8df18be5fc6b0aa314ce6ebf51b53313d4306cca8e46"
-dependencies = [
- "hermit-abi",
- "libc",
- "windows-sys 0.61.2",
-]
-
 [[package]]
 name = "is_terminal_polyfill"
 version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a6cb138bb79a146c1bd460005623e142ef0181e3d0219cb493e02f7d08a35695"
 
-[[package]]
-name = "itertools"
-version = "0.10.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
-dependencies = [
- "either",
-]
-
 [[package]]
 name = "itoa"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8f42a60cbdf9a97f5d2305f08a87dc4e09308d1276d28c869c684d7777685682"
 
-[[package]]
-name = "js-sys"
-version = "0.3.98"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "67df7112613f8bfd9150013a0314e196f4800d3201ae742489d999db2f979f08"
-dependencies = [
- "cfg-if",
- "futures-util",
- "once_cell",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "layering_imports_scan"
 version = "0.1.0"
@@ -774,34 +522,6 @@ dependencies = [
  "simd-adler32",
 ]
 
-[[package]]
-name = "num-bigint"
-version = "0.4.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a5e44f723f1133c9deac646763579fdb3ac745e418f2a7af9cd0c431da1f20b9"
-dependencies = [
- "num-integer",
- "num-traits",
-]
-
-[[package]]
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-version = "0.1.46"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7969661fd2958a5cb096e56c8e1ad0444ac2bbcd0061bd28660485a44879858f"
-dependencies = [
- "num-traits",
-]
-
-[[package]]
-name = "num-traits"
-version = "0.2.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "071dfc062690e90b734c0b2273ce72ad0ffa95f0c74596bc250dcfd960262841"
-dependencies = [
- "autocfg",
-]
-
 [[package]]
 name = "object"
 version = "0.37.3"
@@ -823,52 +543,12 @@ version = "1.70.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "384b8ab6d37215f3c5301a95a4accb5d64aa607f1fcb26a11b5303878451b4fe"
 
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 checksum = "9b4f627cb1b25917193a259e49bdad08f671f8d9708acfd5fe0a8c1455d87220"
 
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-
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-name = "plotters"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aeb6f403d7a4911efb1e33402027fc44f29b5bf6def3effcc22d7bb75f2b747"
-dependencies = [
- "num-traits",
- "plotters-backend",
- "plotters-svg",
- "wasm-bindgen",
- "web-sys",
-]
-
-[[package]]
-name = "plotters-backend"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df42e13c12958a16b3f7f4386b9ab1f3e7933914ecea48da7139435263a4172a"
-
-[[package]]
-name = "plotters-svg"
-version = "0.3.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51bae2ac328883f7acdfea3d66a7c35751187f870bc81f94563733a154d7a670"
-dependencies = [
- "plotters-backend",
-]
-
 [[package]]
 name = "potential_utf"
 version = "0.1.5"
@@ -937,26 +617,6 @@ dependencies = [
  "rand_core",
 ]
 
-[[package]]
-name = "rayon"
-version = "1.12.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fb39b166781f92d482534ef4b4b1b2568f42613b53e5b6c160e24cfbfa30926d"
-dependencies = [
- "either",
- "rayon-core",
-]
-
-[[package]]
-name = "rayon-core"
-version = "1.13.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22e18b0f0062d30d4230b2e85ff77fdfe4326feb054b9783a3460d8435c8ab91"
-dependencies = [
- "crossbeam-deque",
- "crossbeam-utils",
-]
-
 [[package]]
 name = "regex"
 version = "1.12.3"
@@ -1048,27 +708,6 @@ dependencies = [
  "untrusted",
 ]
 
-[[package]]
-name = "rustversion"
-version = "1.0.22"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b39cdef0fa800fc44525c84ccb54a029961a8215f9619753635a9c0d2538d46d"
-
-[[package]]
-name = "ryu"
-version = "1.0.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9774ba4a74de5f7b1c1451ed6cd5285a32eddb5cccb8cc655a4e50009e06477f"
-
-[[package]]
-name = "same-file"
-version = "1.0.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "93fc1dc3aaa9bfed95e02e6eadabb4baf7e3078b0bd1b4d7b6b0b68378900502"
-dependencies = [
- "winapi-util",
-]
-
 [[package]]
 name = "semver"
 version = "1.0.28"
@@ -1118,39 +757,6 @@ dependencies = [
  "zmij",
 ]
 
-[[package]]
-name = "serde_spanned"
-version = "0.6.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bf41e0cfaf7226dca15e8197172c295a782857fcb97fad1808a166870dee75a3"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "serde_yaml"
-version = "0.9.34+deprecated"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a8b1a1a2ebf674015cc02edccce75287f1a0130d394307b36743c2f5d504b47"
-dependencies = [
- "indexmap",
- "itoa",
- "ryu",
- "serde",
- "unsafe-libyaml",
-]
-
-[[package]]
-name = "sha2"
-version = "0.10.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a7507d819769d01a365ab707794a4084392c824f54a7a6a7862f8c3d0892b283"
-dependencies = [
- "cfg-if",
- "cpufeatures",
- "digest",
-]
-
 [[package]]
 name = "shlex"
 version = "1.3.0"
@@ -1173,12 +779,6 @@ dependencies = [
  "typenum",
 ]
 
-[[package]]
-name = "slab"
-version = "0.4.12"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0c790de23124f9ab44544d7ac05d60440adc586479ce501c1d6d7da3cd8c9cf5"
-
 [[package]]
 name = "smallvec"
 version = "1.15.1"
@@ -1261,57 +861,6 @@ dependencies = [
  "zerovec",
 ]
 
-[[package]]
-name = "tinytemplate"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be4d6b5f19ff7664e8c98d03e2139cb510db9b0a60b55f8e8709b689d939b6bc"
-dependencies = [
- "serde",
- "serde_json",
-]
-
-[[package]]
-name = "toml"
-version = "0.8.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc1beb996b9d83529a9e75c17a1686767d148d70663143c7854d8b4a09ced362"
-dependencies = [
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_edit",
-]
-
-[[package]]
-name = "toml_datetime"
-version = "0.6.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22cddaf88f4fbc13c51aebbf5f8eceb5c7c5a9da2ac40a13519eb5b0a0e8f11c"
-dependencies = [
- "serde",
-]
-
-[[package]]
-name = "toml_edit"
-version = "0.22.27"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41fe8c660ae4257887cf66394862d21dbca4a6ddd26f04a3560410406a2f819a"
-dependencies = [
- "indexmap",
- "serde",
- "serde_spanned",
- "toml_datetime",
- "toml_write",
- "winnow",
-]
-
-[[package]]
-name = "toml_write"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5d99f8c9a7727884afe522e9bd5edbfc91a3312b36a77b5fb8926e4c31a41801"
-
 [[package]]
 name = "typenum"
 version = "1.20.1"
@@ -1330,12 +879,6 @@ version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ebc1c04c71510c7f702b52b7c350734c9ff1295c464a03335b00bb84fc54f853"
 
-[[package]]
-name = "unsafe-libyaml"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "673aac59facbab8a9007c7f6108d11f63b603f7cabff99fabf650fea5c32b861"
-
 [[package]]
 name = "untrusted"
 version = "0.9.0"
@@ -1424,81 +967,12 @@ dependencies = [
  "v2-stage0-core",
 ]
 
-[[package]]
-name = "v3-compiler"
-version = "0.1.0"
-dependencies = [
- "ci_affected_components",
- "criterion",
- "emit_host_runner",
- "libc",
- "num-bigint",
- "serde",
- "serde_json",
- "serde_yaml",
- "sha2",
- "toml",
-]
-
-[[package]]
-name = "v3-grounding-coercion-fold"
-version = "0.1.0"
-dependencies = [
- "v3-compiler",
- "v3-grounding-lifetime",
-]
-
-[[package]]
-name = "v3-grounding-cross-target-meta"
-version = "0.1.0"
-dependencies = [
- "v3-compiler",
-]
-
-[[package]]
-name = "v3-grounding-engine"
-version = "0.1.0"
-dependencies = [
- "v3-compiler",
- "v3-grounding-inhabitance-mirror",
-]
-
-[[package]]
-name = "v3-grounding-inhabitance-mirror"
-version = "0.1.0"
-
-[[package]]
-name = "v3-grounding-lifetime"
-version = "0.1.0"
-dependencies = [
- "v3-compiler",
-]
-
-[[package]]
-name = "v3-grounding-tests"
-version = "0.1.0"
-dependencies = [
- "v3-compiler",
- "v3-grounding-coercion-fold",
- "v3-grounding-lifetime",
-]
-
 [[package]]
 name = "version_check"
 version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "0b928f33d975fc6ad9f86c8f283853ad26bdd5b10b7f1542aa2fa15e2289105a"
 
-[[package]]
-name = "walkdir"
-version = "2.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29790946404f91d9c5d06f9874efddea1dc06c5efe94541a7d6863108e3a5e4b"
-dependencies = [
- "same-file",
- "winapi-util",
-]
-
 [[package]]
 name = "wasi"
 version = "0.11.1+wasi-snapshot-preview1"
@@ -1523,51 +997,6 @@ dependencies = [
  "wit-bindgen 0.51.0",
 ]
 
-[[package]]
-name = "wasm-bindgen"
-version = "0.2.121"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "49ace1d07c165b0864824eee619580c4689389afa9dc9ed3a4c75040d82e6790"
-dependencies = [
- "cfg-if",
- "once_cell",
- "rustversion",
- "wasm-bindgen-macro",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-macro"
-version = "0.2.121"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8e68e6f4afd367a562002c05637acb8578ff2dea1943df76afb9e83d177c8578"
-dependencies = [
- "quote",
- "wasm-bindgen-macro-support",
-]
-
-[[package]]
-name = "wasm-bindgen-macro-support"
-version = "0.2.121"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d95a9ec35c64b2a7cb35d3fead40c4238d0940c86d107136999567a4703259f2"
-dependencies = [
- "bumpalo",
- "proc-macro2",
- "quote",
- "syn",
- "wasm-bindgen-shared",
-]
-
-[[package]]
-name = "wasm-bindgen-shared"
-version = "0.2.121"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c4e0100b01e9f0d03189a92b96772a1fb998639d981193d7dbab487302513441"
-dependencies = [
- "unicode-ident",
-]
-
 [[package]]
 name = "wasm-encoder"
 version = "0.244.0"
@@ -1602,16 +1031,6 @@ dependencies = [
  "semver",
 ]
 
-[[package]]
-name = "web-sys"
-version = "0.3.98"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b572dff8bcf38bad0fa19729c89bb5748b2b9b1d8be70cf90df697e3a8f32aa"
-dependencies = [
- "js-sys",
- "wasm-bindgen",
-]
-
 [[package]]
 name = "webpki-roots"
 version = "0.26.11"
@@ -1630,15 +1049,6 @@ dependencies = [
  "rustls-pki-types",
 ]
 
-[[package]]
-name = "winapi-util"
-version = "0.1.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c2a7b1c03c876122aa43f3020e6c3c3ee5c05081c9a00739faf7503aeba10d22"
-dependencies = [
- "windows-sys 0.61.2",
-]
-
 [[package]]
 name = "windows-link"
 version = "0.2.1"
@@ -1727,15 +1137,6 @@ version = "0.52.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "589f6da84c646204747d1270a2a5661ea66ed1cced2631d546fdfb155959f9ec"
 
-[[package]]
-name = "winnow"
-version = "0.7.15"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "df79d97927682d2fd8adb29682d1140b343be4ac0f08fd68b7765d9c059d3945"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "wit-bindgen"
 version = "0.51.0"
@@ -1859,26 +1260,6 @@ dependencies = [
  "synstructure",
 ]
 
-[[package]]
-name = "zerocopy"
-version = "0.8.48"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eed437bf9d6692032087e337407a86f04cd8d6a16a37199ed57949d415bd68e9"
-dependencies = [
- "zerocopy-derive",
-]
-
-[[package]]
-name = "zerocopy-derive"
-version = "0.8.48"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "70e3cd084b1788766f53af483dd21f93881ff30d7320490ec3ef7526d203bad4"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "zerofrom"
 version = "0.1.8"
diff --git a/Cargo.toml b/Cargo.toml
index 6119fc4d332..d0d3d5e3c35 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -8,20 +8,12 @@ members = [
     "src/v2/stage0_emit_core",
     # END generated stage0 crate members
     "src/v2/tests",
-    "src/v3/compiler",
     "tools/ci_affected_components",
     "tools/ci_timings_collector",
     "tools/ci_claim_gate",
     "tools/layering_imports_scan",
     "tools/compile_host_runner",
     "tools/emit_host_runner",
-    "src/v3/grounding_inhabitance_mirror",
-    "src/v3/grounding_engine",
-    "src/v3/grounding_lifetime",
-    "src/v3/grounding_coercion_fold",
-    "src/v3/grounding_cross_target_meta",
-    "src/v3/grounding_tests",
-    "src/v3/execute_command_bootstrap",
 ]
 
 [workspace.metadata]
diff --git a/ROADMAP.md b/ROADMAP.md
index f50f2e7ccbf..61d467d5e92 100644
--- a/ROADMAP.md
+++ b/ROADMAP.md
@@ -2,7 +2,7 @@
 
 Where the project stands and where it is headed. For the intellectual goal, read [THESIS.md](THESIS.md). For rules that protect that goal, read [INVARIANTS.md](INVARIANTS.md). For how to extend the language safely, read [MODELING.md](MODELING.md).
 
-> **v4 is the active development phase.** New substrate modeling and compiler pipeline work live in [`src/v4/`](src/v4/). v3 is frozen. v2 remains the production self-hosted compiler today.
+> **v4 is the active development phase.** New substrate modeling and compiler pipeline work live in [`src/v4/`](src/v4/). v3 has been **removed** — its one load-bearing role (the method-template projection producer) was migrated into v2 (`src/v2/stage0/src/method_template_projection_source.rs`); v2 self-compile is verified green without it. v2 remains the production self-hosted compiler and v4's seed.
 
 ## Active wave — the stage-fold program
 
@@ -33,7 +33,7 @@ Keystone §1.1 landed (#4699): **4,912 → 3,973 lines** on main, `_go` accumula
 
 > **Priority fork (operator's call, after §2 lands):** §3 + self-host (compiler/breadth lane) vs §4 (a demo-able running program). Both unblock once §2 lands; the pick sets the deepest staffing.
 
-**§5 — self-hosting** (get-off-v3 caller-census ratchet → zero hand-maintained Rust). Depends on §3.
+**§5 — self-hosting** (census ratchet → zero hand-maintained Rust; the v2 seed is the last residual). Depends on §3.
 
 ### Cross-cutting requirements (portfolio scale — threaded here)
 
@@ -75,7 +75,7 @@ v4 combines substrate depth (typed Node + Behavior kernel, algebra-grounded std
 
 | Lane | Interim bridge | Dissolve-on |
 |------|----------------|-------------|
-| T-22 eval host transport dispatch | `run_emit_host_go` eval calls use the existing `emit_host_runner` host boundary while projecting the modeled `v4.std.host_run.EmitHostRunReceipt` / `Outcome` carriers. | Generated `.dag` eval dispatches `v4.compiler.emit_host.run_emit_host_go` host transports directly; delete the evaluator shim with the surrounding `src/v3/compiler/src/emit_host_bridge.rs` host-transport bridge. |
+| T-22 eval host transport dispatch | `run_emit_host_go` eval calls use the existing `emit_host_runner` host boundary while projecting the modeled `v4.std.host_run.EmitHostRunReceipt` / `Outcome` carriers. | Generated `.dag` eval dispatches `v4.compiler.emit_host.run_emit_host_go` host transports directly. (The v3-resident evaluator shim / `emit_host_bridge.rs` host-transport bridge was removed with the v3 tree.) |
 
 ### Public Operational Lanes
 
@@ -112,7 +112,7 @@ Work is organized around closing the bootstrap loop, not a calendar:
 
 | Lane | Gate / row | Tracked obligation |
 |------|------------|--------------------|
-| **T-PB-B** | `pb_rust_tests_outside_residual_zero` | Pure Bootstrap test floor: hand-maintained Rust tests under `src/v3/compiler/tests/` shrink toward zero as receipts migrate to `.dag` `TestClaim` declarations or generated harness coverage. Each temporary Rust test scaffold must be listed in the SG-0 hand-authored-test census with a dissolution trigger, and the same PR removes that census entry when the modeled or generated replacement lands. |
+| **T-PB-B** | `pb_rust_tests_outside_residual_zero` | Pure Bootstrap test floor: hand-maintained Rust tests shrink toward zero as receipts migrate to `.dag` `TestClaim` declarations or generated harness coverage. (The v3 test tree — the original SG-0 census scope, including `sg0_census_test.rs` — was removed with v3; the remaining residual is the v2/tools hand-Rust test surface.) |
 
 Earlier release-program lanes (complexity parity, testgen, multi-target emit, pure-bootstrap floors) informed v4 scope; that era's detailed operational tracking is not carried in this repo.
 
diff --git a/docs/thesis/doc-authority.md b/docs/thesis/doc-authority.md
index 5b7b4ed5901..ee3a10ae55a 100644
--- a/docs/thesis/doc-authority.md
+++ b/docs/thesis/doc-authority.md
@@ -74,8 +74,8 @@ its sole load-bearing design root was promoted to
 `.dag`/`.rs` headers must not cite planning docs (they are ephemeral); any such citation
 is a stale comment cleaned on the next touch of that file `[live]`.
 
-**Frozen:** `src/v2/*.md`, `src/v3/*.md` carry a historical banner and read as frozen,
-not live (v3 is frozen and out of the v4 loop; v2 is the reference compiler / v4 seed).
+**Frozen:** `src/v2/*.md` carry a historical banner and read as frozen, not live
+(v2 is the reference compiler / v4 seed). The v3 tree has been removed.
 Marked in place — not moved, because moving manufactures the dangling-reference rot this
 contract exists to prevent.
 
diff --git a/src/v2/stage0/src/bin/regen_stage0.rs b/src/v2/stage0/src/bin/regen_stage0.rs
index c91fb366b67..b3859f40c68 100644
--- a/src/v2/stage0/src/bin/regen_stage0.rs
+++ b/src/v2/stage0/src/bin/regen_stage0.rs
@@ -146,54 +146,7 @@ const DELEGATED_DAG_COLLECT_SUPPORT_SYMBOLS: &[&str] = &[
     "json_quote",
 ];
 
-const GENERATED_METHOD_TEMPLATE_PROJECTION_DAG: &str = r#"module generated.method_template_projection
-
-data rust_method_template_emit: Map<String, String> = {
-  "chars": "\{recv\}.chars().map(|c| c as i64).collect::<Vec<_>>()",
-  "count": "(\{recv\}.len() as i64)",
-  "enumerate": "\{recv\}.iter().cloned().enumerate().map(|(i, v)| (i as i64, v)).collect::<Vec<_>>()",
-  "first": "\{recv\}.first().cloned()",
-  "join": "\{recv\}.join(&\{arg\})",
-  "last": "\{recv\}.last().cloned()",
-  "skip": "\{recv\}.iter().cloned().skip(\{arg\} as usize).collect::<Vec<_>>()",
-  "split": "\{recv\}.split(&\{arg\}).map(|s| s.to_string()).collect::<Vec<_>>()",
-  "take": "\{recv\}.iter().cloned().take(\{arg\} as usize).collect::<Vec<_>>()",
-}
-
-data python_method_template_emit: Map<String, String> = {
-  "all": "all(\{arg\}(x) for x in \{recv\})",
-  "any": "any(\{arg\}(x) for x in \{recv\})",
-  "append": "\{recv\} + [\{arg\}]",
-  "chars": "[ord(c) for c in \{recv\}]",
-  "count": "len(\{recv\})",
-  "enumerate": "list(enumerate(\{recv\}))",
-  "filter": "[x for x in \{recv\} if \{arg\}(x)]",
-  "first": "\{recv\}[0] if \{recv\} else None",
-  "flat_map": "[y for x in \{recv\} for y in \{arg\}(x)]",
-  "join": "\{arg\}.join(\{recv\})",
-  "last": "\{recv\}[-1] if \{recv\} else None",
-  "skip": "\{recv\}[\{arg\}:]",
-  "sort_by": "sorted(\{recv\}, key=\{arg\})",
-  "split": "\{recv\}.split(\{arg\})",
-  "string_contains": "\{arg\} in \{recv\}",
-  "take": "\{recv\}[:\{arg\}]",
-}
-
-data go_method_template_emit: Map<String, String> = {
-  "all": "v2rt.All(\{recv\}, \{arg\})",
-  "any": "v2rt.Any(\{recv\}, \{arg\})",
-  "append": "append(\{recv\}, \{arg\})",
-  "count": "len(\{recv\})",
-  "filter": "v2rt.Filter(\{recv\}, \{arg\})",
-  "flat_map": "v2rt.FlatMap(\{recv\}, \{arg\})",
-  "join": "strings.Join(\{recv\}, \{arg\})",
-  "skip": "\{recv\}[\{arg\}:]",
-  "sort_by": "v2rt.SortBy(\{recv\}, \{arg\})",
-  "split": "strings.Split(\{recv\}, \{arg\})",
-  "string_contains": "strings.Contains(\{recv\}, \{arg\})",
-  "take": "\{recv\}[:\{arg\}]",
-}
-"#;
+use v2_compiler::method_template_projection_source::GENERATED_METHOD_TEMPLATE_PROJECTION_DAG;
 
 fn main() -> ExitCode {
     match run() {
diff --git a/src/v2/stage0/src/lib.rs b/src/v2/stage0/src/lib.rs
index 1978870d030..fb963a7b410 100644
--- a/src/v2/stage0/src/lib.rs
+++ b/src/v2/stage0/src/lib.rs
@@ -28,6 +28,7 @@ pub mod extdeps_languages_rust_emit;
 pub mod extdeps_languages_rust_syntax;
 pub mod extdeps_languages_rust_types;
 pub mod generated_method_template_projection;
+pub mod method_template_projection_source;
 pub mod resolved_graph_cache;
 pub mod rest_transport_facts;
 pub mod std_algebra;
diff --git a/src/v2/stage0/src/method_template_projection_source.rs b/src/v2/stage0/src/method_template_projection_source.rs
new file mode 100644
index 00000000000..d0eaa8e0758
--- /dev/null
+++ b/src/v2/stage0/src/method_template_projection_source.rs
@@ -0,0 +1,70 @@
+//! Single authority for the `generated.method_template_projection` `.dag` source.
+//!
+//! v2 self-compile imports `generated.method_template_projection` (see
+//! `src/v2/05_emit*.dag`); this const is the v2-resident source for it, produced
+//! ephemerally into a source root (never committed — the bootstrap ratchet forbids a
+//! committed `src/generated/method_template_projection.dag`). Consumed by `regen_stage0`
+//! and the self-compile test helper, so neither depends on an external producer.
+
+use std::path::{Path, PathBuf};
+
+pub const GENERATED_METHOD_TEMPLATE_PROJECTION_DAG: &str = r#"module generated.method_template_projection
+
+data rust_method_template_emit: Map<String, String> = {
+  "chars": "\{recv\}.chars().map(|c| c as i64).collect::<Vec<_>>()",
+  "count": "(\{recv\}.len() as i64)",
+  "enumerate": "\{recv\}.iter().cloned().enumerate().map(|(i, v)| (i as i64, v)).collect::<Vec<_>>()",
+  "first": "\{recv\}.first().cloned()",
+  "join": "\{recv\}.join(&\{arg\})",
+  "last": "\{recv\}.last().cloned()",
+  "skip": "\{recv\}.iter().cloned().skip(\{arg\} as usize).collect::<Vec<_>>()",
+  "split": "\{recv\}.split(&\{arg\}).map(|s| s.to_string()).collect::<Vec<_>>()",
+  "take": "\{recv\}.iter().cloned().take(\{arg\} as usize).collect::<Vec<_>>()",
+}
+
+data python_method_template_emit: Map<String, String> = {
+  "all": "all(\{arg\}(x) for x in \{recv\})",
+  "any": "any(\{arg\}(x) for x in \{recv\})",
+  "append": "\{recv\} + [\{arg\}]",
+  "chars": "[ord(c) for c in \{recv\}]",
+  "count": "len(\{recv\})",
+  "enumerate": "list(enumerate(\{recv\}))",
+  "filter": "[x for x in \{recv\} if \{arg\}(x)]",
+  "first": "\{recv\}[0] if \{recv\} else None",
+  "flat_map": "[y for x in \{recv\} for y in \{arg\}(x)]",
+  "join": "\{arg\}.join(\{recv\})",
+  "last": "\{recv\}[-1] if \{recv\} else None",
+  "skip": "\{recv\}[\{arg\}:]",
+  "sort_by": "sorted(\{recv\}, key=\{arg\})",
+  "split": "\{recv\}.split(\{arg\})",
+  "string_contains": "\{arg\} in \{recv\}",
+  "take": "\{recv\}[:\{arg\}]",
+}
+
+data go_method_template_emit: Map<String, String> = {
+  "all": "v2rt.All(\{recv\}, \{arg\})",
+  "any": "v2rt.Any(\{recv\}, \{arg\})",
+  "append": "append(\{recv\}, \{arg\})",
+  "count": "len(\{recv\})",
+  "filter": "v2rt.Filter(\{recv\}, \{arg\})",
+  "flat_map": "v2rt.FlatMap(\{recv\}, \{arg\})",
+  "join": "strings.Join(\{recv\}, \{arg\})",
+  "skip": "\{recv\}[\{arg\}:]",
+  "sort_by": "v2rt.SortBy(\{recv\}, \{arg\})",
+  "split": "strings.Split(\{recv\}, \{arg\})",
+  "string_contains": "strings.Contains(\{recv\}, \{arg\})",
+  "take": "\{recv\}[:\{arg\}]",
+}
+"#;
+
+/// Write the projection source into `<generated_root>/generated/method_template_projection.dag`,
+/// creating the `generated/` dir. Returns the generated-source-root path (pass as `--source-root`).
+pub fn write_method_template_projection_dag(generated_root: &Path) -> std::io::Result<PathBuf> {
+    let generated_dir = generated_root.join("generated");
+    std::fs::create_dir_all(&generated_dir)?;
+    std::fs::write(
+        generated_dir.join("method_template_projection.dag"),
+        GENERATED_METHOD_TEMPLATE_PROJECTION_DAG,
+    )?;
+    Ok(generated_root.to_path_buf())
+}
diff --git a/src/v2/tests/src/bootstrap.rs b/src/v2/tests/src/bootstrap.rs
index d9266d2c493..e38467a1d3a 100644
--- a/src/v2/tests/src/bootstrap.rs
+++ b/src/v2/tests/src/bootstrap.rs
@@ -55,22 +55,10 @@ fn run_self_compile(
 fn write_method_template_projection_generated_root(name: &str) -> std::path::PathBuf {
     let root = temp_dir(name);
     let _ = std::fs::remove_dir_all(&root);
-    let output = std::process::Command::new("cargo")
-        .arg("run")
-        .arg("-p")
-        .arg("v3-compiler")
-        .arg("--bin")
-        .arg("emit_method_template_projection")
-        .arg("--")
-        .arg(&root)
-        .output()
-        .expect("failed to run method-template projection producer");
-    assert!(
-        output.status.success(),
-        "method-template projection producer failed:\nstdout:\n{}\nstderr:\n{}",
-        String::from_utf8_lossy(&output.stdout),
-        String::from_utf8_lossy(&output.stderr)
-    );
+    // v2-resident projection source (single authority shared with regen_stage0); no
+    // external producer. Written ephemerally — never committed (bootstrap ratchet).
+    v2_compiler::method_template_projection_source::write_method_template_projection_dag(&root)
+        .expect("write method-template projection generated root");
     root
 }
 
diff --git a/src/v2/tests/src/lib.rs b/src/v2/tests/src/lib.rs
index 5a7b09548f9..b7650adfdc0 100644
--- a/src/v2/tests/src/lib.rs
+++ b/src/v2/tests/src/lib.rs
@@ -58,7 +58,6 @@ mod nodefold_generic_instantiation_test;
 #[cfg(test)]
 mod parse;
 #[cfg(test)]
-mod pb_method_template_projection_consumability;
 #[cfg(test)]
 mod pd3_adversarial;
 #[cfg(test)]
diff --git a/src/v2/tests/src/pb_method_template_projection_consumability.rs b/src/v2/tests/src/pb_method_template_projection_consumability.rs
deleted file mode 100644
index cf831582587..00000000000
--- a/src/v2/tests/src/pb_method_template_projection_consumability.rs
+++ /dev/null
@@ -1,139 +0,0 @@
-//! V2 consumability ratchet for the **R3 row 85 / PB #1560 Gap 4 build-step
-//! producer** (`v3_compiler::pb_method_template_projection_dag_emit`).
-//!
-//! The v2-tests crate cannot depend on v3-compiler (the boundary forbids
-//! it), so this test fabricates a `.dag` matching the producer's output
-//! **structural shape** — module declaration, per-target `Map<String,
-//! String>` declaration names, and one spot-check entry per target — and
-//! proves v2's import / compile pipeline consumes it via the ephemeral
-//! source-root mechanism from PR #1575. The fixture is **not byte-
-//! identical** to `render_dag`'s output: the header comment wording is
-//! intentionally distinct so reviewers do not mistake this fixture for
-//! the producer's authoritative emission. Byte-equivalent end-to-end
-//! coverage lives in PR #1575's `stage0_compile_imports_ephemeral_generated_source_root`
-//! (`#[ignore]`d, slow path).
-//!
-//! Together with the v3-side producer integration tests
-//! (`pb_method_template_projection_dag_emit_test`, which assert the
-//! producer writes this exact shape) and PR #1575's existing
-//! `resolver_imports_ephemeral_generated_source_root` ratchet (which
-//! covers ephemeral source-root resolution for arbitrary `.dag`), this
-//! closes the loop: v3 producer ↔ v2 consumer agree on the
-//! `generated.method_template_projection` shape without committing the
-//! generated file or importing `v3.std.*` into v2.
-//!
-//! What this exercises:
-//!
-//! 1. A `.dag` carrying `data rust_method_template_emit: Map<String, String>`
-//!    at the canonical relative path (`generated/method_template_projection.dag`)
-//!    inside an ephemeral source-root resolves cleanly through v2's
-//!    `compile_dag_named_with_source_roots`.
-//! 2. The generated module is loaded **only** from the ephemeral root —
-//!    not from any `src/` or `dsl/` path. Asserts the no-committed-source
-//!    invariant via the resolver's loaded-paths receipt.
-
-use crate::helpers::{assert_no_diagnostics, compile_dag_named_with_source_roots};
-use v2_compiler::v2_compiler_artifact::RenderTarget;
-
-fn temp_dir(label: &str) -> std::path::PathBuf {
-    let unique = format!(
-        "v2-pb-method-template-consumability-{label}-{ns}",
-        ns = std::time::SystemTime::now()
-            .duration_since(std::time::UNIX_EPOCH)
-            .expect("clock before unix epoch")
-            .as_nanos()
-    );
-    std::env::temp_dir().join(unique)
-}
-
-#[test]
-fn v2_consumes_generated_method_template_projection_shape() {
-    let generated_root = temp_dir("generated-root");
-    let generated_dir = generated_root.join("generated");
-    std::fs::create_dir_all(&generated_dir).expect("create generated dir");
-
-    // Structural shape parity (not byte identity) with
-    // `write_method_template_projection_dag`'s output: module
-    // declaration, three `data <target>_method_template_emit:
-    // Map<String, String>` declarations, and one `count` spot-check
-    // entry per target. The header text intentionally differs so this
-    // fixture cannot be confused with producer-authoritative bytes; the
-    // v3-side producer tests own header-and-content invariants over the
-    // real emission, this v2-side ratchet owns "v2 imports this shape."
-    let generated_dag = "\
-// AUTO-GENERATED — do not commit. Produced by v3-compiler's
-// `pb_method_template_projection_dag_emit`. Single row authority:
-// `src/v3/std/{rust,python,go}_method_template_contracts.dag`.
-
-module generated.method_template_projection
-
-data rust_method_template_emit: Map<String, String> = {
-  \"count\": \"(\\{recv\\}.len() as i64)\",
-}
-
-data python_method_template_emit: Map<String, String> = {
-  \"count\": \"len(\\{recv\\})\",
-}
-
-data go_method_template_emit: Map<String, String> = {
-  \"count\": \"len(\\{recv\\})\",
-}
-";
-    std::fs::write(
-        generated_dir.join("method_template_projection.dag"),
-        generated_dag,
-    )
-    .expect("write generated module");
-
-    // Entry imports one of the per-target maps. v2's import resolution
-    // walks the ephemeral source-root and finds the generated module.
-    let entry_source = "\
-module ephemeral.entry
-
-import generated.method_template_projection { rust_method_template_emit }
-
-fn rust_count_template() -> Map<String, String> { rust_method_template_emit }
-";
-    let result = compile_dag_named_with_source_roots(
-        "ephemeral/entry.dag",
-        entry_source,
-        RenderTarget::Dag,
-        std::slice::from_ref(&generated_root),
-    );
-
-    assert_no_diagnostics(&result);
-
-    let loaded_paths: Vec<_> = result
-        .newline_indices
-        .iter()
-        .map(|index| index.file.as_str())
-        .collect();
-
-    // Build the absolute path the resolver should report for the
-    // generated module. v2's `display_source_path` strips the workspace
-    // root prefix; for files outside the workspace (i.e., a temp dir)
-    // it falls through to `to_string_lossy()` of the absolute path.
-    // Asserting equality against this exact path closes the suffix-
-    // aliasing gap an unanchored `contains()` check would leave open
-    // (an absolute committed path containing the same relative segment
-    // would otherwise slip through).
-    let expected_generated_path = generated_root
-        .join("generated/method_template_projection.dag")
-        .to_string_lossy()
-        .to_string();
-    assert!(
-        loaded_paths.contains(&expected_generated_path.as_str()),
-        "expected the ephemeral generated module to load at exactly \
-         {expected_generated_path}; got: {loaded_paths:?}"
-    );
-    // The "do not commit" invariant: the generated file must be loaded
-    // from the temp source-root, not from anywhere under `src/` or `dsl/`.
-    assert!(
-        !loaded_paths
-            .iter()
-            .any(|path| path.starts_with("src/") || path.starts_with("dsl/")),
-        "ephemeral generated dependency must not be tracked under src/ or dsl/: {loaded_paths:?}"
-    );
-
-    let _ = std::fs::remove_dir_all(&generated_root);
-}
diff --git a/src/v2/tests/src/source_audit.rs b/src/v2/tests/src/source_audit.rs
index 56e13234bbf..d615b580ce1 100644
--- a/src/v2/tests/src/source_audit.rs
+++ b/src/v2/tests/src/source_audit.rs
@@ -5,35 +5,7 @@
 
 use std::path::{Path, PathBuf};
 
-use crate::helpers::{read_v2_file, workspace_root};
-
-const LEGACY_METHOD_TEMPLATE_AUTHORITIES: &[&str] = &[
-    "rust_simple_method_specs",
-    "rust_method_templates",
-    "rust_method_wraps_result",
-    "python_method_templates",
-    "go_method_templates",
-];
-
-const ALLOWED_LEGACY_READER_PREFIXES: &[(&str, &str)] = &[(
-    "src/v2/",
-    "v2-side stage0 emit surface is PB-Zero-walled and cannot read v3 substrate rows today",
-)];
-
-const ALLOWED_LEGACY_READER_PATHS: &[(&str, &str)] = &[
-    (
-        "dsl/extdeps/languages/rust/emit.dag",
-        "canonical Rust extdeps emit authority consumed by the v2 generator until PB-Zero unblocks migration",
-    ),
-    (
-        "dsl/extdeps/languages/python/emit.dag",
-        "canonical Python extdeps emit authority consumed by the v2 generator until PB-Zero unblocks migration",
-    ),
-    (
-        "dsl/extdeps/languages/go/emit.dag",
-        "canonical Go extdeps emit authority consumed by the v2 generator until PB-Zero unblocks migration",
-    ),
-];
+use crate::helpers::read_v2_file;
 
 fn live_source(source: &str) -> String {
     source
@@ -75,26 +47,6 @@ fn relative_display(path: &Path, root: &Path) -> String {
         .replace('\\', "/")
 }
 
-fn allowed_legacy_reader_reason(rel: &str) -> Option<&'static str> {
-    ALLOWED_LEGACY_READER_PREFIXES
-        .iter()
-        .find_map(|(prefix, reason)| rel.starts_with(prefix).then_some(*reason))
-        .or_else(|| {
-            ALLOWED_LEGACY_READER_PATHS
-                .iter()
-                .find_map(|(path, reason)| (*path == rel).then_some(*reason))
-        })
-}
-
-fn legacy_method_template_violations(rel: &str, source: &str) -> Vec<String> {
-    let live = live_source(source);
-    LEGACY_METHOD_TEMPLATE_AUTHORITIES
-        .iter()
-        .filter(|authority| live.contains(**authority))
-        .map(|authority| format!("{rel}: live reference to `{authority}`"))
-        .collect()
-}
-
 #[test]
 fn pipe_arrow_token_exists() {
     let source = read_v2_file("src/v2/00_core.dag");
@@ -291,62 +243,6 @@ fn parse_supports_response_blocks() {
     );
 }
 
-#[test]
-fn no_new_non_v2_consumers_of_legacy_method_template_authorities() {
-    // Textual deferral ratchet, not structural enforcement. The structural
-    // replacement is a typed row consumer for
-    // `src/v3/std/*_method_template_contracts.dag`, but v2 cannot use that
-    // path until PB-Zero unblocks bootstrap-Dag consumers. As each v2
-    // consumer migrates, shrink the allow-list; delete this ratchet when it
-    // empties.
-    let root = workspace_root();
-    let mut files = Vec::new();
-    collect_source_files(&root.join("src"), &mut files);
-    collect_source_files(&root.join("dsl"), &mut files);
-
-    let mut violations = Vec::new();
-    for path in files {
-        let rel = relative_display(&path, &root);
-        if allowed_legacy_reader_reason(&rel).is_some() {
-            continue;
-        }
-
-        let source = std::fs::read_to_string(&path)
-            .unwrap_or_else(|e| panic!("failed to read {}: {}", path.display(), e));
-        violations.extend(legacy_method_template_violations(&rel, &source));
-    }
-
-    assert!(
-        violations.is_empty(),
-        "legacy method-template authorities are PB-Zero-blocked v2-only deferrals; \
-         new consumers must read src/v3/std/*_method_template_contracts.dag rows:\n{}",
-        violations.join("\n")
-    );
-}
-
-#[test]
-fn legacy_method_template_ratchet_detects_live_non_v2_reader() {
-    let source = r#"
-module v3.std.synthetic_method_template_reader
-
-// rust_method_templates in comments should not trip the ratchet.
-data synthetic_old_reader: String = rust_method_templates
-"#;
-
-    let violations = legacy_method_template_violations(
-        "src/v3/std/synthetic_method_template_reader.dag",
-        source,
-    );
-
-    assert_eq!(
-        violations,
-        vec![
-            "src/v3/std/synthetic_method_template_reader.dag: live reference to `rust_method_templates`"
-                .to_string()
-        ]
-    );
-}
-
 #[test]
 fn typecheck_has_cycle_detection() {
     let source = read_v2_file("src/v2/04_infer.dag");
@@ -1032,21 +928,6 @@ fn parse_item_keyword_arm_count() {
     );
 }
 
-/// Read a `data foo: String = "..."` literal from `dsl/gunbc/tools/ratchet.dag`.
-/// Patterns must not be duplicated in Rust — ratchet.dag is the sole authority.
-fn l1_ratchet_pattern_from_dag(data_name: &str) -> String {
-    let ratchet = workspace_root().join("dsl/gunbc/tools/ratchet.dag");
-    let content = std::fs::read_to_string(&ratchet)
-        .unwrap_or_else(|e| panic!("read {}: {e}", ratchet.display()));
-    let marker = format!("data {data_name}: String = \"");
-    let line = content
-        .lines()
-        .find(|l| l.contains(&marker))
-        .unwrap_or_else(|| panic!("missing `{marker}` in {}", ratchet.display()));
-    let rest = line.split_once(&marker).expect("marker on line").1;
-    unescape_dag_string_literal(rest)
-}
-
 fn unescape_dag_string_literal(mut rest: &str) -> String {
     let mut out = String::new();
     while let Some(ch) = rest.chars().next() {
@@ -1075,57 +956,6 @@ fn unescape_dag_string_literal(mut rest: &str) -> String {
     out
 }
 
-/// Tri-state grep: Ok(true) = match, Ok(false) = no match, Err = tool failure.
-fn l1_grep_has_match(dir: &Path, pattern: &str) -> Result<bool, String> {
-    let output = std::process::Command::new("grep")
-        .args(["-rqE", "--include=*.dag", pattern, &dir.to_string_lossy()])
-        .output()
-        .expect("grep must be on PATH for L1 ratchet");
-    match output.status.code() {
-        Some(0) => Ok(true),
-        Some(1) => Ok(false),
-        code => Err(format!(
-            "grep error (exit {code:?}): {}",
-            String::from_utf8_lossy(&output.stderr)
-        )),
-    }
-}
-
-fn l1_grep_violation_report(dir: &Path, pattern: &str) -> String {
-    let output = std::process::Command::new("grep")
-        .args(["-rnE", "--include=*.dag", pattern, &dir.to_string_lossy()])
-        .output()
-        .expect("grep detail for L1 ratchet");
-    String::from_utf8_lossy(&output.stdout).into_owned()
-}
-
-#[test]
-fn l1_type_knowledge_ratchet() {
-    // Hermetic source audit: patterns from ratchet.dag, corpus src/v3 only (see deleted
-    // scripts/l1-ratchet.sh). CI still runs gunbc `run_l1_ratchet`; this test mirrors it
-    // without requiring a release binary or parsing the full dsl/ tree.
-    let ws = workspace_root();
-    let corpus = ws.join("src/v3");
-    assert!(corpus.is_dir(), "L1 corpus {} must exist", corpus.display());
-
-    let ctor_pat = l1_ratchet_pattern_from_dag("l1_constructor_pattern");
-    let type_pat = l1_ratchet_pattern_from_dag("l1_typename_pattern");
-
-    let ctor = l1_grep_has_match(&corpus, &ctor_pat).expect("constructor pattern grep");
-    let typ = l1_grep_has_match(&corpus, &type_pat).expect("typename pattern grep");
-
-    if ctor || typ {
-        let mut report = String::new();
-        if ctor {
-            report.push_str(&l1_grep_violation_report(&corpus, &ctor_pat));
-        }
-        if typ {
-            report.push_str(&l1_grep_violation_report(&corpus, &type_pat));
-        }
-        panic!("L1 ratchet failed (patterns from dsl/gunbc/tools/ratchet.dag):\n{report}");
-    }
-}
-
 #[test]
 fn second_syntax_spec_exists() {
     // Stream 0 exit criterion: SyntaxSpec abstraction is real.
diff --git a/src/v3/DOWNSTREAM_REQUIREMENTS.md b/src/v3/DOWNSTREAM_REQUIREMENTS.md
deleted file mode 100644
index 6015c7ef349..00000000000
--- a/src/v3/DOWNSTREAM_REQUIREMENTS.md
+++ /dev/null
@@ -1,441 +0,0 @@
-# DOWNSTREAM_REQUIREMENTS — v3 substrate consumer enumeration
-
-**Status:** active substrate-consumer gap tracker. All 14 original gaps resolved at M1(2.7); R9 and M1(2.8) addendums landed. **Remaining classes below are still live** — Class 5 (structural gaps after R9 + M1(2.8)), class-6 tokenizer escapes, class-7 realization narrowing.
-
-This document catalogues structural questions that v3 consumers (lenses, inference, emission) ask about `Node`/`Declaration`/`Port`. When a consumer must reconstruct a fact the substrate doesn't expose, that reconstruction is a **substrate-consumer gap** — fix the substrate, don't bridge in the consumer.
-
-Historical enumeration (M1(2.7) → M1(2.8) — landed work, methodology, R16 audit, Consumer 1–4 walkthroughs) was pruned from this file on 2026-04-17.
-
-Several Class 5 entries now have dedicated DB docs or ROADMAP deferrals — cross-referenced inline where applicable. Where a gap is fully tracked elsewhere, the entry here is a one-line pointer; where it's genuinely still open and uncaptured, the full description remains.
-
-## PR-B validation summary (M1(3))
-
-PR-B was the first real downstream consumer to read structurally
-through the M1(2.8) substrate. Each open class-5 gap was checked
-against its pipeline; the verdicts:
-
-| Gap | PR-B verdict |
-|-----|--------------|
-| #1 Bool operator grounding | Did not block PR-B. Operator dispatch in PR-B's success program (`let x: Int = 1 + 2`) reads OrderedRing's `add` field directly via the existing §8.9 walk; Bool operator emission is exercised by the `if 1 > 0 then ...` test and works through the same path with `Classical` as the scrutinee. |
-| #2 Collection-level algebra receivers | Did not block PR-B. PR-B's emit scope is scalar Int/Bool/String — no FreeMonoid/Set/Map operations. |
-| #3 Data body parsing | **Partially closed by PR-B.** The literal-only slice landed via `ValueBody::Structural { fields: Vec<(String, LiteralBits)> }`, `SurfaceExpr::Record`, and `lower_record_to_structural`. The remaining gap is port-carried field values (nested records, list literals, declaration references, Var references). See the gap entry below. |
-| #4 Variant constructor expressions | Did not block PR-B. PR-B's emitter doesn't construct sum-type values; the `if/else` branch test uses ordinary if-expression lowering. |
-| #5 `where` clause refinement facts | Did not block PR-B. PR-B's Realization meta-type uses no refinement clauses. |
-| #6 Declaration references as values | Did not block PR-B. The Realization meta-type was deliberately designed to use scalar field values instead of declaration references; M2+ would let `target: Declaration` replace `target_name: String`. |
-
-Net: **PR-B validated that the M1(2.8) substrate is sufficient for
-the first downstream consumer, with one substrate addition
-(`ValueBody::Structural`) and zero new behavior variants.** The
-remaining class-5 gaps are correctly characterized as M2+ extension
-work, not missing substrate facts that PR-B revealed.
-
-### M1(3) PR-B class-6 gap: tokenizer escape sequences
-
-Surfaced during Phase 4 of PR-B when `rust_main_wrap`'s carrier
-needed to emit `println!("{}", x)` and a literal `"` couldn't go
-inside a string literal. The v3 tokenizer at M1(3) explicitly has
-**no escape sequences** — `\"` inside a string is impossible
-because the closing `"` terminates the literal at the backslash.
-The PR-B workaround uses `%Q` as a literal-quote placeholder that
-the emitter substitutes at render time, alongside `%N`, `%T`, etc.
-
-This is a tokenizer extension, not a substrate gap. Dissolves
-when the v3 tokenizer learns standard escape sequences (`\"`,
-`\\`, `\n`, etc.). The `%Q` placeholder in `rust.dag` is the
-visible scaffold; remove the placeholder and rewrite the carrier
-when the tokenizer extension lands.
-
-### M1(3) PR-B-unwind R1 class-7 gaps: substrate-level realization narrowing
-
-The PR-B-unwind R1 review on PR #445 raised three substrate-side
-issues that are partially addressed and partially deferred. Each
-is tracked here so the next round picks them up cleanly.
-
-**Class-7 gap #1: substrate-level type narrowing for realization
-fields.** The current shape uses `Declaration` (the universal
-sentinel) as the field type for `target` and `op` in rust.dag's
-realization meta-types. The substrate accepts any declaration in
-those positions, including bad wirings like
-`BehaviorRealization { target: Int }` (a primitive type targeted
-at a behavior template) or `OperatorRealization { op: Bind }`
-(a substrate marker used as an algebra field).
-
-PR-B-unwind R1 added a **lower-time fail-closed narrowing check**
-in `lower_record_to_structural` (see
-`validate_realization_field_target` in `src/v3/compiler/src/lower.rs`).
-The check fires at lower time, not at consumer time, so bad
-wirings surface as fail-closed diagnostics anchored to the
-offending data-body span. Two regression tests pin the behavior:
-`m1_3_prb_unwind_r1_behavior_realization_with_primitive_target_is_rejected`
-and `m1_3_prb_unwind_r1_type_realization_with_behavior_target_is_rejected`.
-
-What the lower-time check does NOT do: encode the constraint at
-the **type system level** (i.e. make bad states unrepresentable).
-The fully structural fix needs one of:
-
-- **`inhabits` syntax on `type` declarations**: e.g.
-  `type Bind inhabits BehaviorMarker {}` so the substrate carries
-  a typed edge from each behavior marker to a parent kind. Then
-  rust.dag's `BehaviorRealization.target: BehaviorMarker` would
-  type-check directly against the inhabits edge. Requires parser
-  + lower work to support `inhabits` on type declarations.
-- **`where` clause refinement** on field types: e.g.
-  `target: Declaration where inhabits(BehaviorMarker)`. Class-5
-  gap #5 already tracks `where` clauses; this gap is a specific
-  consumer of that work.
-
-**Dissolution trigger**: when v3's parser grows either `inhabits`
-syntax or `where` clauses, the lower-time check in
-`validate_realization_field_target` dissolves into the parser-
-level constraint and is removed.
-
-**Class-7 gap #2: field-as-declaration in `ValueBody::Structural`.**
-The current payload shape is
-`Vec<(String, FieldValue)>` where the `String` is the field label
-("target", "carrier", etc.). PR #445's R1 review noted that this
-keeps a per-field-label string in the data body. The proposed
-fix reshapes Field substrate so each Conj field is its own
-declaration with a stable id, and `ValueBody::Structural`
-carries `Vec<(DeclarationId, FieldValue)>` — typed field
-identity instead of a label string.
-
-The blocker is that v3's `Field` struct (in `dag.rs`) is currently
-`{ label: String, ty: DeclarationId }` — fields are NOT their own
-declarations. Changing this touches `dsl/std/*` consumed by both
-v2 and v3, so it requires v2 coordination.
-
-**Dissolution trigger**: when v2 either deprecates or coordinates
-with v3 on the field-as-declaration substrate change, the
-`(String, FieldValue)` payload moves to `(DeclarationId, FieldValue)`
-and consumer-side label lookups (e.g.
-`field_decl_ref(fields, "target")`) become typed-id lookups. The
-PR-B-unwind R1 round delivered the **fail-closed reading** of
-the current shape: `require_field_decl_ref` /
-`require_field_string` in `emit_rust.rs` panic on missing fields
-or duplicate keys, so the label-string lookup fails loudly when
-the spec is malformed.
-
-**Class-7 gap #3: bootstrap fixture enumeration.** The pre-unwind
-shape had `const RUST_DAG: &str = include_str!("../../spec/rust.dag");`
-constants in `bootstrap.rs` plus a hardcoded fixture array.
-PR-B-unwind R1 closed this gap via `build.rs` + the generated
-`V3_SPECS` static array. Adding a new per-target spec file
-(e.g. `python.dag`) is now a pure file-system change — drop the
-file in `src/v3/spec/`, run `cargo build`, and the loader picks
-it up. **Status**: closed at PR-B-unwind R1.
-
-**Scope.** Covers both the read side (`infer.rs`,
-`lens_provenance.rs`) and the write side (`parse.rs` →
-`lower.rs` boundary). The write side was added in a second pass
-after a reviewer surfaced five write-pipeline gaps; the lesson is
-that enumeration applies symmetrically to readers and writers.
-Gap count at time of enumeration: **14 entries** across 4
-fact-placement classes. **All 14 now resolved.**
-
-## Class 5 — remaining structural gaps after R9 and M1(2.8)
-
-These are substrate-level gaps that the R9 + M1(2.8) passes
-surfaced but did not close. Tracked as the next substrate
-milestone.
-
-### Class 5 gap 1: Bool operator grounding
-
-**What's missing.** `Bool` is `Classical = True | False` (a
-`Disj`), with no structural link from `Classical` to
-`BooleanAlgebra`. The R9 operator walk terminates at a `Disj`
-with no field lookup path — the walker falls back to the
-Rust-side `(T, T) -> T` / `(T, T) -> Bool` scaffold bridge for
-any type whose chain doesn't land on an algebra `Conj`.
-
-**Why it's hard.** The link "Bool inhabits BooleanAlgebra" is
-commented in `algebra.dag` and encoded in the
-`kernel_algebra_profile` data table, but the substrate doesn't
-have an `inhabits` edge you can walk. Options:
-- Add `inhabits TypeExpr` syntax to `type_item` parsing, then
-  edit `logic.dag` to say
-  `type Classical inhabits BooleanAlgebra<Classical> = True | False`.
-  The walker consults `inhabits` as a second-chance edge when
-  the Instantiation chain terminates without an algebra. This
-  is a parser extension but structurally clean.
-- Consume `kernel_algebra_profile`'s body at bootstrap, build
-  an in-memory `name → algebra` map, and have the walker check
-  that map when the chain doesn't find an algebra. This avoids
-  parser work but requires record-literal body parsing (another
-  deferred class).
-- Treat Bool specially in the walker with a hardcoded
-  `classical_algebra_id` cached at bootstrap. A bridge, not a
-  structural fix.
-
-**Current status.** Bool operators still dispatch through the
-Rust scaffold fallback inside `resolve_operator_arrow`. The
-fallback is explicitly documented and returns
-`(Bool, Bool) -> Bool` / `(Bool, Bool) -> Bool` (arithmetic on
-Bool is nonsensical but the path exists for safety). Tests
-that exercise Bool operators still work because the
-fallback signature is shape-compatible.
-
-### Class 5 gap 2: Collection-level algebra receivers
-
-**What's missing.** `FreeMonoid<T>`,
-`BooleanAlgebra<T>` (for `Set<T>`), and `PartialFunction<K, V>`
-(for `Map<K, V>`) have operator fields whose receiver is the
-*parameterized algebra itself*, not the type parameter:
-`concat: fn(FreeMonoid<T>, FreeMonoid<T>) -> FreeMonoid<T>`.
-
-The R9 walk's substitution rule ("algebra's first type
-parameter is the receiver, substitute T → source") doesn't
-cover this shape — for `FreeMonoid`, the receiver is
-`FreeMonoid<T>`, not `T`. The walker would need to identify
-the receiver position differently (e.g., "the first input
-parameter's declaration *is* the receiver, replace all of its
-occurrences in the Arrow with source").
-
-**Why it's deferred.** At M1(2.7), `type_to_declaration_id`
-allocates a fresh declaration for each syntactic occurrence
-of `FreeMonoid<T>` in the algebra field, so they don't share
-a DeclarationId and can't be matched structurally. Hash-consing
-or a "first input IS the receiver" convention would work but
-requires more thought.
-
-**Current status.** String operators (`"a" + "b"`) fall back
-to the Rust scaffold bridge. No existing user-facing tests
-exercise String operators, so the bridge is latent.
-
-### Class 5 gap 4: Variant constructor expressions
-
-**What's missing.** Bare variant names in expression position
-(e.g. the `False` in `match a { True => False, False => True }`'s
-arm bodies) don't resolve. R7's anonymization set
-`decl.name = None` on sum variant children, so
-`declaration_by_name("False")` returns None even when
-`False` is a declared constructor of `Classical`. The
-name-resolution path in `lower.rs` falls through to an
-identifier stub, which the strict sweep flags as unresolved.
-
-**Why it's hard.** Match patterns resolve scoped against the
-scrutinee's Disj children, which sidesteps the anonymization —
-but variant RHS expressions have no scrutinee context. Options:
-- **Variant-constructor surface syntax** (`Classical.False` or
-  similar) so the resolution is explicit. Parser extension,
-  user-visible.
-- **Targeted anonymization rollback**: make sum variants
-  findable by name (reverting that part of R7) while keeping
-  TypeParams anonymous. Adds namespace ambiguity
-  (`Classical.True` vs `Bool.True` share the name `True`;
-  first-match-wins or fail-closed on duplicates).
-- **Infer-time re-resolution**: for `Var` expressions that
-  didn't resolve at lower time, infer could re-try resolution
-  against a contextual type (the Branch output type, a
-  surrounding let annotation, etc.). Biggest substrate lift
-  but most general.
-
-**Current status.** Match parses, type-checks, resolves
-patterns. Arm bodies can use literals, primitives, user function
-calls, operators — anything that doesn't require bare variant
-expressions. `logic.dag`'s `classical_not` / `classical_and` /
-`classical_or` still load as `FnExternalBody` scaffolds because
-their RHS uses `True` / `False` as expressions.
-
-### Class 5 gap 3: Data body parsing
-
-**What's missing.** `ValueBody::Unparsed` preserves the body
-source span but doesn't make the body structurally consumable.
-`kernel_algebra_profile` / `kernel_type_set` / etc. — the
-load-bearing data tables — still aren't readable by the
-compiler at M1(2.7).
-
-**Why it's deferred.** Parsing record/map/list literal
-`SurfaceExpr`s is a full M2 parser extension: new `SurfaceExpr`
-variants, new `lower_expr` paths, new `Value`-shaped behavior
-nodes for composite values, infer support for structurally
-typing record values against their annotation. Substantial.
-
-**M1(3) PR-B partial close.** PR-B added the **literal-only**
-slice of this gap: `SurfaceExpr::Record { fields }`,
-`ValueBody::Structural { fields: Vec<(String, LiteralBits)> }`,
-`lower_record_to_structural` inhabitance checking, and the
-`src/v3/spec/rust.dag` consumer that reads
-`(target_name, op_name, carrier, cost)` literal fields off
-realization records. The substrate now structurally consumes
-data bodies whose field values are scalar literals (Int / Bool
-/ String). PR-B's Realization meta-type was deliberately
-designed to fit inside that scope. The remaining gap is **port-
-carried field values** (a record field whose value is another
-declaration reference, a nested record, a list literal, or a
-`Var` of an outer binding). When the next consumer needs one of
-those, `ValueBody::Structural { fields }` upgrades from
-`Vec<(String, LiteralBits)>` to `Vec<(String, PortId)>` (or
-similar), and the literal-bits inline form becomes a special
-case — not a separate variant.
-
-**Current status.** Literal-field bodies: ✅ closed at M1(3). Scalar `data x: T = v` bodies: ✅ closed at PR #496 (3a.2 via `ValueBody::Scalar`; DB-10).
-Port-carried field bodies: ⏸ deferred to the M2+ consumer that
-forces the upgrade.
-
-### Class 5 gap 5: `where` clause refinement facts
-
-**Status (as of 2026-04-17):** partial — parser foundation + `Declaration.refinement: Option<DeclarationId>` substrate edge landed via PR #496. Full semantics (predicate lowering, call-site structural-DAG check, Branch-arm narrowing extension) deferred; now tracked as **DB-11** and as **Deferral: 3a.3-full** in [`ROADMAP.md` §Active deferrals](../../ROADMAP.md).
-
-The active tracker for remaining work is the DB/ROADMAP pair. This is the canonical pattern: once a class-5 entry lands a dedicated DB doc, its live description lives there — not duplicated here.
-
-## Historical enumeration — preserved verbatim
-
-The original substrate-consumer gap enumeration (Consumer 1 through Consumer 4, Methodology, M1(2.7) Resolution summary, Round 9 / M1(2.8) / R16 audit sections, Write-pipeline gap summary, Substrate cross-reference) was pruned from this file in the docs-pruning pass on 2026-04-17. All 14 original gaps closed structurally at M1(2.7); R9 and M1(2.8) addendums landed; the R16 scaffold-boundary audit completed.
-
-Active substrate-consumer gaps (Class 5 items above, class-6 tokenizer escapes, class-7 realization narrowing, PR-B validation summary) remain in this file. When a new lens or surface form joins the pipeline, run the enumeration discipline against it.
-
-## The meta-pattern
-
-Every review round on PR #445 has flagged a variant of the same
-shape: **one substrate field carrying multiple downstream jobs, with
-the discriminator living in a sibling field (usually a string) — or
-the dual: two fields carrying parallel authorities for one fact, with
-the discriminator being which call site you happen to be in.**
-
-- Round 3: `Identifier { name, resolved: Option<_> }` — one variant
-  held both the unresolved-phase and resolved-phase state, with
-  `Option` as the discriminator. Fix: split into
-  `UnresolvedIdentifier` / `ResolvedIdentifier`.
-- Round 5: `TypeShape::Primitive(Prim)` — an M0-inherited coarse tag
-  parallel to the full `DeclarationId`-based type identity. Fix:
-  replace with the newtype.
-- Round 6: `ArrowBody::Pending` (partial) — a mixed-lifecycle slot
-  held both "user body not yet lowered" and "external realization
-  lag." Fix: delete the `lower_fn_item_pending` path; body-less fns
-  have no declaration at all.
-- Round 7: flat namespace via `declaration_by_name` — a single
-  HashMap held both user and bootstrap declarations with no module
-  layer. Fix: deferred to M2.
-
-The *next* occurrences, visible in the combined enumeration above:
-
-- **`AtomPayload::UnresolvedIdentifier(String)` holds both the
-  forward-reference job (Q3 intake) and the operator-dispatch job
-  (Q3 + Q4 consumption).**
-- **`SurfaceItem::Fn.body: Option<SurfaceExpr>` holds both "has
-  expression body" and "had block body which was skipped" (QW1).
-  The consumer uses the Option discriminator to decide whether to
-  lower into a declaration or silently drop the item.**
-- **`TemplateArgument.parameter: DeclarationId` holds both
-  "references a real TypeParam atom" and "self-reference stub
-  tolerance" (QW4). The consumer distinguishes by checking
-  whether the template was a stub at construction time.**
-- **Port type resolution authority is split between
-  `type_to_declaration_id` (structural, used inside declarations)
-  and `lower_type_for_port` (whitelist, used for port annotations),
-  discriminated by the call site rather than by type (QW5).**
-
-Both the Round 3 split (Identifier → Unresolved/Resolved) and the
-Round 5 dissolution (TypeShape::Primitive → newtype around
-DeclarationId) were *localized* fixes. They resolved the specific
-field they targeted. They didn't prevent the same pattern from
-re-appearing in an adjacent field a round later.
-
-Zooming out, the full gap list partitions into four fact-placement
-classes:
-
-1. **Primitive type identity** — Q1, Q2, Q4, QW5 all ask "given
-   that something is of a primitive kind, what is its
-   `TypeShape`?" Each site answers via a string name lookup or a
-   hardcoded whitelist. Root cause: there is no substrate-level
-   edge from primitive-kind to DeclarationId.
-
-2. **Operator dispatch classification** — Q3, Q4 ask "is this
-   Transform target an operator, and if so which family?" Root
-   cause: operators share a variant shape
-   (`AtomPayload::UnresolvedIdentifier`) with user-code forward
-   references, so the consumer must re-parse the string at
-   dispatch time.
-
-3. **Scaffold honesty** — QW1, QW2, QW4 all involve substrate
-   positions that *should* carry a scaffold form but instead
-   silently discard the underlying fact. `ArrowBody::Pending` is
-   the prototype of a scaffold done right (named variant,
-   tracked ratchet, dissolution trigger). The substrate needs
-   analogous scaffold-with-trigger forms for block-bodied fns,
-   data decls, and stub template arguments.
-
-4. **Parallel authorities** — Q8, QW5 both involve two code
-   paths answering the same question ("what exists in the type
-   system?") with different levels of structural sophistication.
-   Q8's is local (a safety net on ExternalRealization); QW5's
-   is systemic (every port annotation sees a different type
-   system than every declaration annotation).
-
-Each class has a different structural fix. The next substrate PR
-addresses them as classes, not as individual symptoms.
-
-**This document does not propose a fix shape.** There are several
-plausible directions for each gap, and the value of enumerating now
-is to hold all the gaps in one place so the fix can address the
-class rather than the symptom. Candidates to consider when the
-substrate PR is drafted:
-
-**Class 1 — primitive type identity** (Q1/Q2/Q4/QW5)
-- A `Dag` primitive cache with `dag.int_shape()` / `dag.bool_shape()`
-  / `dag.string_shape()` populated at bootstrap (cheap, partial).
-- A `LiteralBits → DeclarationId` structural edge on
-  `Dag` or on `LiteralBits` itself.
-- Dissolve `lower_type_for_port` into a call to
-  `type_to_declaration_id` wrapped as `TypeShape` — ports inherit
-  the declaration authority.
-
-**Class 2 — operator dispatch** (Q3/Q4)
-- Promote operator calls to a distinct `TransformTarget` or
-  `Behavior` shape at lowering time (commits to a parser change).
-- Desugar operators to fully-qualified algebra field calls at
-  parse time (`1 + 2` → `std::algebra::add(1, 2)`), dissolving the
-  operator concept entirely.
-- Split `AtomPayload::UnresolvedIdentifier` into
-  `UnresolvedUserIdentifier(String)` +
-  `OperatorSymbol(&'static str)` so the phase distinction is in
-  the type.
-
-**Class 3 — scaffold honesty** (QW1/QW2/QW4)
-- Split `SurfaceItem::Fn` into two variants (expression-body vs
-  external-body-scaffold) so the type system distinguishes them.
-- Promote `absorb_data_item` to a real `SurfaceItem::Data` variant;
-  lower either to a full declaration or to a scaffold declaration
-  with tracked dissolution.
-- Delete the `TemplateArgument` stub branch: `template_is_stub`
-  means the template already has a diagnostic attached, so
-  emitting nothing is correct. Or: wrap `parameter` in a
-  `TypeParamId` newtype constructable only from a TypeParam atom.
-- Extend §8.11-style ratchet tracking to every scaffold form.
-
-**Class 4 — parallel authorities** (Q8/QW5)
-- Declare meta-type roles as substrate edges rather than named
-  declarations (addresses Q8, may dovetail with unused `inhabits`
-  field).
-- Delete the port-type whitelist; route through the declaration
-  authority (addresses QW5, also resolves Class 1 for compound
-  types).
-
-Each has tradeoffs the reviewers have not yet had a chance to weigh
-in on, and the right answer is probably a combination rather than a
-single move. The next substrate PR picks from this menu with the
-full gap list visible.
-
-## Scope note
-
-This enumeration covers both halves of the pipeline:
-
-- **Read side** (Consumers 1–3): `infer.rs`,
-  `lens_provenance.rs` — readers of the substrate.
-- **Write side** (Consumer 4): `lower.rs` viewed as a consumer of
-  `parse.rs` output, with its `SurfaceItem` → declaration /
-  behavior / port lowering treated as a question-and-answer
-  boundary.
-
-The write side was added after the initial pass because a reviewer
-surfaced five gaps there; the lesson is that the enumeration
-discipline applies symmetrically to readers and writers, and the
-next enumeration pass (new lens or new surface form) should cover
-both halves from the start.
-
-Not yet covered: `bootstrap.rs` (another producer), the test files,
-and the §8.11 `Pending` ratchet consumer (doc-only today). When the
-cost lens (M1(3)) and ownership lens land, re-run the enumeration
-end-to-end: each new consumer tests whether the substrate's answers
-to its questions are structural or bridged. A lens that needs a
-bridge is the substrate's signal to extend.
diff --git a/src/v3/M0_RETROSPECTIVE.md b/src/v3/M0_RETROSPECTIVE.md
deleted file mode 100644
index 9839df49e59..00000000000
--- a/src/v3/M0_RETROSPECTIVE.md
+++ /dev/null
@@ -1,480 +0,0 @@
-# M0 Retrospective
-
-**Status:** Complete. 35 acceptance tests passing on `quick-ant-526`. PR #441
-ready for final review. The M0 substrate proves the v3 thesis primitives
-work under adversarial review.
-
-## Substrate decisions and whether they held
-
-The five L1 behaviors — Value, Transform, Branch, Loop, Bind — held through
-10 milestones and three reviewer rounds without modification. The C1 STOP
-signal ("wanting a 6th variant") never fired. The thesis claim that these
-are the terminal decomposition survived contact with building against it.
-
-**Decisions that held without changes:**
-
-- Five L1 behaviors as terminal (C1)
-- `FunctionRef` on Transform (C2 dissolved to nothing at M0.3 — no
-  TransformRule variants, operators resolve to `std::int::add` etc.
-  at parse time)
-- Define as a Bind with non-empty `params`, not a Transform variant
-- Fail-closed compile boundary via `Err(CompileError::Semantic(dag))`
-- `mark_unresolved` as the single authority for port state transitions
-- Direct Vec indexing on `Dag::node` with topological invariant
-- The provenance lens at 50 lines — under the 60-line physics-gap
-  threshold
-
-**Decisions that bent under review:**
-
-- `Port.value_type: Option<TypeShape>` started as a two-valued type
-  maintaining a runtime invariant. ChatGPT's state-space audit at M0.1
-  caught it as structurally wrong: `None` conflated three meanings
-  (Uninferred, Unresolved, and failed). M0.6 refactored to
-  `PortState::{Uninferred, Resolved(T), Unresolved}`. The illegal mixed
-  state became unrepresentable by type. One commit, no cascading
-  changes. The invariant is now structural, not behavioral.
-- Spans were originally tracked in a `node_spans` side table. Codex's
-  "facts flow forward" audit pointed out this was the same pattern as
-  v2's provenance reconstruction bug. M0.6 moved the span to a field on
-  every `Behavior` variant. Side table deleted.
-
-## Substrate constraints exercised
-
-| Constraint | Exercised? | Notes |
-|---|---|---|
-| G1 target-agnostic types | Yes | `Prim::Int` stayed symbolic; no `as i64` outside the tokenizer |
-| G2 cross-artifact spans | Partially | `SourceSpan.file` always populated; M0 only has one source file per compile |
-| G3 parser-agnostic IR | Yes | `parse.rs` has zero `Dag` code references |
-| G4 per-target cost characteristics | No | Cost lens deferred to M1 — first exercise will be emission |
-| G5 no `TypeError` in `Err` | Yes | Semantic errors stay on the Dag; `CompileError::Semantic(Dag)` is a handoff, not a classification |
-
-G4 is the one unexercised guardrail. It becomes load-bearing the moment
-M1 starts emission, since the cost lens has to read per-target costs from
-`LanguageSpec` declarations.
-
-## Coproduct dissolution status
-
-- **C1** (`Behavior`) — **kept at 5 variants**. Terminal by the 4-pattern
-  check. All four dissolution patterns attempted; all failed. Pressure
-  never materialized.
-- **C2** (`TransformRule`) — **dissolved to nothing at M0.3**. Transform
-  is `Apply(FunctionRef)`. The dissolution was triggered by Test 3
-  needing `Call` and `Define` variants, and the answer was to delete
-  TransformRule entirely rather than extend.
-- **C3** (`TypeShape`) — **kept at 1 variant scaffold** (`Primitive(Prim)`).
-  Pressure never materialized because M0 doesn't need Record/Sum/List/
-  Function. Dissolution target `{connective, children}` requires std/
-  Product/Coproduct declarations — deferred to M1+.
-- **`Diagnostic`** — **extended from 3 to 5 variants** at M0.5/M0.8
-  (added `ArityMismatch`, `ResolveError`). This is deferred dissolution:
-  the 5-field target shape `{span, category, subject, detail,
-  producing_node}` requires typed references (`TypeRef`, `FieldRef`)
-  that don't exist yet. Extension is documented with justification at
-  the top of `diagnostics.rs`.
-
-## Reviewer feedback loops
-
-Three review rounds, all producing correct fixes.
-
-**Round 1 (M0.1 reviews by ChatGPT and Codex):** caught state-space
-ambiguity, silent failures in inference, panic on forward references,
-span drops, and linear node lookup. Triggered M0.5 (fail-closed
-discipline) and M0.6 (PortState + spans + compile boundary).
-
-**Round 2 (M0.5 review by ChatGPT):** caught unknown-type-name silent
-default, branch Bool check missing, call-site signature trust when body
-conflicts, recursion/Loop fabrication, test audit too narrow. Triggered
-M0.8 (reviewer blockers + 7 regression tests).
-
-**Round 3 (M0.6 review by ChatGPT):** near-identical to the M0.5 review
-(likely re-read stale snapshot). The 4 items the M0.6 snapshot actually
-contained were fixed in M0.8; the 3 items the review claimed were already
-fixed in M0.6.
-
-The pattern the three rounds collectively revealed: external reviewers
-excel at "missing checks" — places where the compiler should reject a
-program but doesn't. Internal review (my own triage) excels at "missing
-tests" — coverage gaps on already-correct code. Both feedback paths are
-necessary; neither catches the other's bug class.
-
-## Late-M0 review round (blockers 1–4)
-
-A final external review after M0.9 caught four substantive issues.
-Three were real correctness bugs and the fourth was a discipline gap.
-All landed in M0.10–M0.12 before M0 close:
-
-**Blocker 1 (recursion annotated not rewritten):** the Loop wrapper
-for recursive functions is structural decoration — its body still
-contains literal self-referential Transform nodes (e.g., `count_down(n - 1)`
-as a Transform with target "count_down"). The thesis claim that
-recursion reduces to bounded iteration is half-true: the Loop exists,
-but the recursive call nodes inside it are still function calls that
-the substrate doesn't interpret specially. **Partial fix in M0.10**
-(Loop/body reconciliation catches the fact that the body's actual type
-must match the declared return type). **Residual deferred to M1**: the
-self-referential Transforms inside Loop bodies are not yet rewritten to
-a substrate primitive like `Recur`. A full fix connects to M1's
-declaration-table restructuring — once function references are
-DeclarationIds rather than strings, the self-call can become a
-recognized "this is the enclosing Loop's function" rather than a
-generic Transform. Flagged as a known M0 limitation in this
-retrospective rather than hidden.
-
-**Blocker 2 (pre-seeded Loop.output never reconnected):** `lower_fn_item`
-pre-seeded `loop_output` with the declared return type — load-bearing
-for the fixpoint, since recursive calls inside the body need the
-function's Bind.value port Resolved to infer their own types. But
-nothing reconciled the pre-seeded type with the body's actual return
-type, so `fn bad(n: Int) -> Bool = if n == 0 then 0 else bad(n - 1)`
-(where the then-branch is Int and the declaration says Bool) silently
-typed as Bool at every call site. The producer-fact-reaches-consumer
-property failed for recursive functions — the v2 disease recurring in
-a new costume. **Fixed in M0.10**: infer's `decide()` for `LoopNode`
-no longer returns Retry unconditionally. It reads the body's output
-port and returns `Decision::Set(l.output, body_type)`, letting the
-apply loop's existing conflict detection catch pre-seed/actual
-mismatches. Regression test: `test_recursive_function_with_wrong_body_type_is_rejected`.
-
-**Blocker 3 (mutual recursion silently accepted):** `is_recursive`
-only catches direct self-calls, so `fn even(n) = odd(n - 1)` paired
-with `fn odd(n) = even(n - 1)` evaded both the Loop wrap path AND
-any rejection. Body inference stalled on Retry forever, leaving the
-body_return_port pre-seeded value as a fake Resolved answer. The
-thesis claim "termination by construction" failed silently.
-**Fixed in M0.11**: a pre-lowering pass (`compute_mutually_recursive`)
-builds the call graph over fn items, computes transitive reachability,
-and identifies cycles of size > 1. Functions in those cycles are
-rejected at lowering with a specific "mutual recursion is not yet
-supported" diagnostic before any body lowering happens. Regression
-test: `test_mutual_recursion_is_rejected`.
-
-**Blocker 4 (missing dissolution ledger):** discipline gap. Four
-enums — `PortState`, `LiteralValue`, `Origin`, `CompileError` —
-lacked the dissolution receipts the modeling doc requires (every
-kept enum names either a terminal argument or a deferred-dissolution
-trigger). **Fixed in M0.12**: added receipts to each. PortState and
-CompileError are terminal. LiteralValue is deferred (dissolves with
-the primitive substrate refactor at M1). Origin is a judgment call —
-it's a Pattern 1 candidate (redundant with Behavior kind) kept as an
-enum for readability, with an explicit revisit trigger if consumer
-patterns change.
-
-**Also in M0.12: no-annotations invariant.** The user's direction
-during this review round was to rule out annotation mechanisms at
-every layer of the stack through M3. `INVARIANTS.md` §"Modeling
-Faithfulness" now extends "Annotations are not facts" (which already
-covered `.dag` source level) to compiler data model level and lens
-level. Lenses are pure functions from `&Dag` to derived values, not
-annotation mechanisms that write back to nodes. Concrete implication:
-the Dag carries only Port/Behavior/Declaration/diagnostics, with no
-annotation tables, no attribute maps, no lens-result side storage.
-The success bar for new lenses is "pure function, zero substrate
-modifications, its own file." This rule is ruled out now because the
-core language is still being discovered — allowing annotations as an
-escape hatch would fill real gaps with a decorative layer and make
-the gaps invisible.
-
-## The primitive substrate gap (parallel-representation debt)
-
-M0 built the control-flow substrate (L1 behaviors, Ports, diagnostics)
-to completion, with dissolution discipline applied at every checkpoint.
-The **data substrate** — specifically, how types and primitive
-operations are represented — was scaffolded rather than completed, and
-the scaffold is in the wrong shape.
-
-**The scaffold:**
-
-- `TypeShape::Primitive(Prim)` where `Prim = Int | Bool | String` — a
-  flat enum in `types.rs`
-- `FunctionRef { name: String }` — a string wrapper in `dag.rs`
-- `primitive_signature(name: &str) -> Option<Signature>` — a hardcoded
-  Rust function in `infer.rs` mapping operator names to type signatures
-
-**Why this is the wrong shape**, even though each scaffold is honestly
-marked as a scaffold: it is a **parallel representation** of facts that
-already live canonically in v2's `dsl/std/`. v2 declares Int, Bool,
-String and their operations in `.dag` source. v3's scaffold re-asserts
-the same facts in Rust code, creating a single-authority violation
-the modeling discipline forbids. Every primitive in v3's table is an
-unnecessary second source of truth.
-
-Additionally, `FunctionRef { name: String }` is name-based dispatch —
-the M8 pattern the modeling discipline explicitly rejects. The
-substrate's notion of "primitive" is an opaque label, not a reference
-to a structurally-rich declaration. `primitive_signature()` is literal
-string-dispatch inside the compiler — exactly the pattern v3 is
-supposed to cure.
-
-**What the correct shape looks like:** a single declaration table
-owned by the Dag, where every named thing (types, functions,
-operations, eventually algebras and effects) is a `Declaration`.
-References are `DeclarationId`s, not strings. Primitives are
-Declarations pre-populated at `Dag::new()` (bootstrap); user code
-declarations join the same table via the same mechanism; the
-substrate doesn't distinguish "primitive" from "user function" —
-both are Declarations, only their source differs (hardcoded bootstrap
-at M0, parsed from `std/` at M1, parsed from user source at M2+).
-
-**Debt classification:** this is **parallel-representation debt**,
-not **dissolution debt**. It's not a coproduct that needs to collapse
-into a better shape with fewer variants — it's a scaffold whose
-authority should live elsewhere. The fix is "delete the parallel copy
-and consume the canonical source," not "collapse variants." The
-control-flow substrate (five behaviors, ports, diagnostics) does not
-have this debt; the data substrate has it in three localized places.
-
-**Why this happened:** M0's scoping decision focused on the
-control-flow substrate (L1 behaviors, Port state, fail-closed
-discipline) and deferred the data substrate to M1 under the framing
-"we have to start somewhere." That framing was too narrow. The data
-substrate is an equally important part of the thesis (single source
-of truth, no parallel representations, name-based dispatch forbidden),
-and building parallel scaffolds — even honest scaffolds — created
-migration debt. The scaffold discipline ("mark it as a scaffold, name
-the dissolution target") is not a substitute for the single-authority
-principle when a canonical source already exists.
-
-**Resolution path:** M1's **first** task before any other M1 work
-(cost lens, emission, LanguageSpec) is the primitive substrate
-restructuring — replace `Prim`/`FunctionRef`/`primitive_signature`
-with a `Declaration` table on the Dag, consumed via `DeclarationId`
-references. The primitives stay hardcoded at first (at `Dag::new()`
-via a `bootstrap_primitives` pass), then M1 replaces the bootstrap
-with std/ parsing. The substrate doesn't change during the std/
-wiring — only the source of the Declarations changes. This sequencing
-puts the restructuring under pressure from real consumer requirements
-(the cost lens needs to read per-declaration algebra, emission needs
-to read per-declaration cost characteristics), which is the right
-place for it. See `ROADMAP.md` §M1 for the explicit ordering.
-
-**Lesson for future substrate work:** when there's an existing
-canonical source for a class of facts, the substrate should consume
-the canonical source from the start, not build a parallel
-representation as a scaffold. Parallel representations create
-migration debt, and migration debt compounds. The "honest scaffold"
-discipline is not a substitute for the single-authority principle —
-a scaffold that captures the wrong abstractions creates the same
-debt as a non-scaffolded parallel representation would.
-
-## Deferred limitations
-
-| Item | Reason | Target |
-|---|---|---|
-| Full descent analysis (lexicographic, non-subtraction, structural) | M0 partial analysis rejects the obvious cases; full analysis is 2–3 hours of substantive work | M1+ |
-| Diagnostic 5-field target shape | Requires typed references (TypeRef, FieldRef) not yet in substrate | M1+ |
-| `TypeShape` dissolution to `{connective, children}` | Requires std/ Product/Coproduct/Function declarations | M1+ |
-| Mutual recursion detection | Current `is_recursive` finds only direct self-calls | M1+ |
-| Imperative fixpoint loop with `changed: bool` | Sketch-mode OK; the recursive form fights Rust's lack of TCO | M3 port attempt |
-| Counter-based `NodeId` allocation | Sketch-mode OK; dissolves in .dag via fold-accumulator | M3 port attempt |
-| Property-based invariant testing | Needs proptest wiring; valuable but not urgent | M1+ |
-| Full structural pre-infer/post-infer phase split on Dag | M0.6 refactor made the biconditional structural enough; full phase split is a larger change | M1+ |
-
-## What M1 inherits
-
-- A working `tokenize → parse → lower → infer` pipeline, 35 acceptance
-  tests
-- Five L1 behaviors with structural spans, central Port table, PortState
-  enum
-- Fail-closed compile boundary (`Err(CompileError::Semantic(Dag))`)
-- `mark_unresolved` as the single authority for port state transitions
-- Provenance lens at 50 lines (the v3-vs-v2 proof point for "lenses read
-  physics")
-- Partial descent analysis (zero-arg rejected, syntactic `param - const`
-  required)
-- Producer-fact-reaches-consumer path: call sites read the function's
-  `Bind.value` state, so body/signature mismatches propagate to every
-  call site
-- User function signature registry (`dag.signatures`) that breaks
-  inference fixpoint cycles for recursion
-- Sketch-mode framing in ROADMAP so the functional-vs-imperative question
-  stays answered
-- 10+ feedback memories encoding the review discipline, checkpoint
-  patterns, and dissolution rules
-- v2's test suite available as an oracle for equivalence checks when M1
-  emission starts
-
-## What M1 has to build fresh
-
-**M1 ordering matters.** The primitive substrate restructuring comes
-FIRST, before cost lens or emission, because it's substrate work that
-everything else builds on. See the "primitive substrate gap" section
-above for the rationale.
-
-1. **Primitive substrate restructuring (first M1 task).** Replace the
-   parallel-representation scaffolds (`Prim` enum, `FunctionRef`-as-
-   string, hardcoded `primitive_signature` match table) with a
-   `Declaration` table on the Dag, consumed via `DeclarationId`
-   references. Primitives remain hardcoded at `bootstrap_primitives`
-   time. No std/ parsing yet — that comes after.
-2. **std/ parsing.** Replace the bootstrap with a std/ parse pass.
-   Declarations now come from `.dag` source rather than Rust code.
-   The substrate doesn't change during this swap — only the source
-   of the Declarations changes.
-3. **Cost lens (first reader lens that returns computed values).**
-   Originally framed as "writer lens #1" — that framing is historical;
-   see the postscript at the top of the Success bar section. The
-   cost lens is a pure function over substrate + `rust.dag`, not a
-   persistent writer. Must land with zero substrate modifications
-   beyond whatever the Declaration table needs for algebra/cost
-   metadata.
-4. **Emission to a target language (Rust first).** Only after the
-   cost lens proves the substrate is extensible. `LanguageSpec` with
-   per-target cost characteristics (G4 guardrail exercised).
-5. **Ownership/effect lenses** if the M1 test corpus forces them.
-6. **More sophisticated descent analysis** if any M1 test program
-   needs it (current partial descent rejects the obvious bad cases;
-   lexicographic orderings and non-subtraction measures are M1+).
-
-## Success bar: trivial to add new analyses
-
-The v3 thesis claims that adding a new analysis (a new lens over the DAG)
-should be trivial — proportional to the analysis's conceptual complexity,
-not proportional to substrate modifications required. v2 failed this bar
-catastrophically: `complexity.dag` was 5000 lines of provenance
-reconstruction because v2 had thrown away origin information during
-inference. v3's equivalent is 50 lines because the facts are carried
-forward.
-
-**Status at end of M0: validated for observational lenses (read-only).**
-Two independent data points:
-
-- **Provenance lens** (M0.4) — 50 lines, one method
-  (`Origin::origin_of(port)`), reads `produced_by` and dispatches on
-  the producer's behavior kind. Zero substrate modifications.
-- **Depth lens** (post-M0.9 follow-up) — 66 lines including 20 of doc
-  comment, one method (`DepthLens::depth_of(port)`), walks ports
-  backward through input chains and returns the longest path to any
-  leaf. Zero substrate modifications. Three tests pass, including
-  Branch-path-max composition.
-
-Two lenses both landed in tens of lines each with zero substrate
-edits. The bar holds for observational lenses by demonstration, not
-just by design claim.
-
-**Question resolved post-M1(2.7): there are no writer lenses.**
-
-> **Postscript (2026-04-15).** The question below — "how does a lens
-> store its results?" — is now closed. The answer is that the question
-> itself was the wrong framing. Per the minimality invariant that
-> landed in the M1(2.7) review cycle, **lenses are pure readers over
-> substrate + language spec; they do not persist state and do not
-> need a storage mechanism.** The four options enumerated below (Port field, per-lens
-> side table, Port annotations, generalized diagnostic table) are all
-> rescinded — none of them land. Cost, ownership, effects, purity, and
-> any future lens are all pure functions of `(substrate, lang_spec)`,
-> recomputed on demand. Memoization, if ever needed for performance,
-> is a transparent local cache added later based on profiling — not
-> part of the lens contract and not a substrate-level decision. The
-> M0 retrospective's framing ("M1 will force the decision") was
-> correct that M1 would force the question; it turned out the forcing
-> resolved the question by dissolving it, not by picking an option.
->
-> This section is retained as **historical context** showing what M0
-> thought the open question looked like. Future readers should treat
-> the option list below as a snapshot of M0-era thinking that does
-> NOT reflect current doctrine.
-
-**M0-era framing (historical, superseded by §12.6).** M0 has no
-writer lenses. The mechanism for "how does a lens store its results"
-was not yet committed at M0 time — there were three or four plausible
-options, each with different cost profiles:
-
-- **Option A:** add a `cost: Option<Cost>` (or similar) field to Port.
-  Works, but privileges the cost lens and doesn't generalize. Port
-  grows unbounded.
-- **Option B:** each lens owns a side table `HashMap<PortId, LensResult>`.
-  Works, cheap, doesn't privilege any lens. Cross-lens queries require
-  threading multiple tables.
-- **Option C:** general-purpose annotations on Port —
-  `annotations: HashMap<LensName, LensValue>`. Unified place, cross-lens
-  reads uniform, but introduces questions about invariants across
-  annotations.
-- **Option D:** generalize the diagnostic table pattern. Rename
-  `DiagnosticTable` to something like `PortAnnotations`, with
-  `Diagnostic` as one annotation kind among many. Most ambitious and
-  most thesis-aligned — everything is an annotation, diagnostics are
-  just the annotations that cause compile failure.
-
-**Resolution (M1(2.7)+):** Option **E** — none of the above. Lenses
-are readers. The storage question is moot because there is nothing
-to store. The minimality invariant (pure-reader lenses, no
-persistent state, memoization is a transparent local concern if
-ever needed) is now doctrine.
-
-**M1 forcing function (historical context).** The M0 retrospective
-originally expected the cost lens to force the storage decision
-during M1. What actually happened: the minimality invariant arrived
-first (M1(2.7) review cycle), and the storage question dissolved
-rather than resolving in favor of a specific option. The forcing
-function worked — it just forced a re-framing of the question rather
-than an answer within the original frame.
-
-**Explicit acceptance criterion for M1:** by the end of M1, the following
-question must have a confident answer — *"If we came up with a new lens
-tomorrow, what's the minimum line count of substrate modifications
-needed?"* The target answer is **zero**. Any other answer is a
-substrate gap that must be closed before M2.
-
-The agent should attempt to build the cost lens as a new file
-(`lens_cost.rs`) that imports from `dag.rs` and reads the DAG, with no
-modifications to Port, Behavior, Dag, or any substrate type. If the
-agent hits a wall where it needs to write results and no existing
-place works, that's the signal to pause and design the lens-storage
-mechanism explicitly, once, as a substrate-level commitment.
-
-## One meta-observation
-
-M0 is compressed relative to typical project milestones — 10 commits,
-38 tests, 3 review rounds, 1 structural refactor, 2 observational
-lenses. The shape is the right shape for a mature project (substrate
-validation → hardening → feature work → parallelized extension), just
-faster. The review-and-respond loop is now a working feedback mechanism:
-external reviewers catch missing checks, the agent produces correct
-fixes, and the cycle produces code that tightens under pressure rather
-than loosening.
-
-The theory work for M0 is done. The closure work (the retrospective,
-this document) closes the milestone. M1 should feel like
-implementation, not design — except for the one design question M0
-explicitly defers to M1: how lenses store results. **(Post-M1(2.7)
-update: this deferred question resolved by dissolution — lenses
-don't store anything. See the postscript at the top of the "Success
-bar" section above.)**
-
-## M1(2.5) addendum — substrate rework (historical snapshot)
-
-> **Historical note.** This section captures the substrate rework
-> at the M1(2.5) handoff. Several concrete details here (the embedded
-> fixture strings, `inject_primitive_operators`, the initial 42-green
-> test count) were explicitly transitional and were removed during
-> M1(2.6). For current v3 status and test counts, read
-> [`ROADMAP.md`](../../ROADMAP.md) — the retrospective is closed
-> history.
-
-M1(2.5) supersedes the scaffolded primitive substrate from M0.1/M1(1).
-`LiteralValue`, `FunctionRef { name: String }`, `Signature`,
-`primitive_signature`, `register_signature`, and `lookup_function` are
-all deleted. Their replacement is the six-variant `TypeConnective` enum
-(`Atom`, `Conj`, `Disj`, `Arrow`, `Cardinality`, `Instantiation`) carried
-by `Declaration`s in a new `Dag.declarations` table, plus `ArrowBody`
-with `UserDefined(NodeId) | ExternalRealization(DeclarationId) | Pending`
-(M1_DESIGN.md §3, §Q7).
-
-**At the M1(2.5) handoff** (superseded by M1(2.6), see ROADMAP):
-bootstrap (`src/v3/compiler/src/bootstrap.rs`) parsed four minimal
-fixture modules (`logic`, `bit`, `algebra`, `types`) from embedded
-strings at `Dag::new()` time, and injected primitive operator Arrow
-declarations so user-code dispatch (`1 + 2`) worked without a §8.9
-inhabitance walk. Both mechanisms were explicitly scaffolded and both
-were removed in M1(2.6) — bootstrap now consumes the real
-`dsl/std/*.dag` files via `include_str!`, and operator dispatch goes
-through `infer::resolve_operator_arrow`. See ROADMAP §"M1(2.6)" for
-the current shape.
-
-**Handoff test count** (M1(2.5) only, superseded):
-M0 test count grew from 38 to 40; the M1(2.5) PR kept all 40 green
-and added two new substrate tests (`parse_std_algebra_and_walk_int_add`
-and `parse_synthetic_service_all_layers`) for a total of 42 green
-tests. Every subsequent push to PR #445 (the M1(2.5)/M1(2.6) PR)
-added more tests — see ROADMAP §"Status at a glance" for the current
-count.
diff --git a/src/v3/M1_DESIGN.md b/src/v3/M1_DESIGN.md
deleted file mode 100644
index 2f00b12bc6f..00000000000
--- a/src/v3/M1_DESIGN.md
+++ /dev/null
@@ -1,1564 +0,0 @@
-# M1 Design Note: Substrate Rework
-
-> **⚠️ HISTORICAL.** This is the design oracle for M1(2.5), M1(2.6), and
-> M1(2.7) substrate work that shipped in PR #445. The authoritative
-> substrate documentation now lives in the code itself —
-> `src/v3/compiler/src/dag.rs` for the type layer, `src/v3/compiler/src/
-> infer.rs` / `lower.rs` for the inference and lowering stages. This
-> document is preserved as a historical record of the design rationale
-> (especially §Q7 ArrowBody variants, §8.10 substrate-extension audit,
-> §8.11 Pending-elimination ratchet) because those sections are still
-> cross-referenced by code comments. New design work does NOT go here —
-> see the live design docs under `docs/` and the top-level `THESIS.md` /
-> `INVARIANTS.md` / `ROADMAP.md`.
-
-**Status:** design-first spec for M1(2.5). Answers load-bearing representation
-choices before any code changes. Paired with `THESIS.md` §"The substrate: two
-coordinated shapes" and §"Epistemic stacking."
-
-**Supersedes:** PR #442's `DeclKind::{Type, Function}` flat shape. That work
-(M1(1) + M1(2)) is wiped in full — no rescue plan. It was ~30 minutes of
-implementation and the infrastructure scaffolds are useful for reference but
-not for salvage. Convergence note from 2026-04-15 classifies "flat `DeclKind`
-is too narrow" as settled.
-
-## 0. Purpose
-
-This document is the oracle M1 rework executes against. It:
-
-1. Names what infrastructure survives the wipe vs. what is replaced.
-2. Commits the concrete Rust data model for the two-substrate shape committed
-   in THESIS.md.
-3. Answers six load-bearing representation questions that determine whether
-   M1 rework is one PR or three.
-4. Walks `dsl/std/algebra.dag` and a minimal `dsl/extdeps/shell.dag` subset
-   onto the data model to verify the substrate test passes.
-5. Gives a focused file-by-file implementation plan.
-6. Declares the M1(2.5) scope boundary — what is explicitly not in scope.
-
-If any decision in this note is wrong, it's fixed HERE before code changes.
-Design-first is the working discipline.
-
-## 1. Convergence reference
-
-The project converged at 2026-04-15 on:
-
-- **Settled:** epistemic stacking is load-bearing; flat `DeclKind::{Type,
-  Function}` is too narrow; substrate test is "host `dsl/std/algebra.dag`
-  + a synthetic nested-domain model analogous to `shell.Exec.Run`
-  with no new DeclKind variants";
-  design-first before implementation; omni-emission is the long-term goal.
-- **Open (this doc pins them down):** two-substrate concrete shape,
-  Declaration struct, PR #442 infrastructure inventory.
-- **Deferred:** five L1 behaviors as patterns over the type substrate
-  (unification); further reduction to three primitives (Atom/Conj/Disj only);
-  `std/meta.dag` as a first-class mechanism; cost lens + single emitter.
-
-This design note executes on the Open items only.
-
-## 2. PR #442 wipe: what goes, what stays
-
-**Deleted entirely:**
-
-- `DeclKind::{Type, Function}` enum in `src/v3/compiler/src/dag.rs`.
-- `primitive_signature` / `Signature` hardcoded lookup table in `src/v3/compiler/src/infer.rs`.
-- `FunctionRef { name: String }` (name-based function dispatch) — replaced
-  by `DeclarationId`-based references in the new connective shape.
-- `LiteralValue` enum with flat Int/Bool/String variants — replaced by
-  `AtomPayload::Literal`.
-- Per-primitive function declarations in `dsl/std/core.dag` (e.g., `fn
-  std::int::add(a: Int, b: Int) -> Int`). These are exactly the
-  parallel-representation pattern the thesis rejects. Replaced by
-  inhabitance-derived signatures walking `std/algebra.dag`.
-- The `bootstrap_primitives` function body that hand-registers Int/Bool/
-  String and operators in Rust. Replaced by parsing `std/algebra.dag` at
-  `Dag::new()`.
-
-**Survives the wipe (keep and extend):**
-
-- `DeclarationId` newtype — stable integer IDs over the declaration table.
-- `Dag::new()` bootstrap entry point and declaration table mechanism.
-  Contents change; shape stays.
-- Parser extensions for nested declarations, keyword paths, optional `fn`
-  bodies. Needed for the new shape's richer syntax.
-- Name resolution hooks (identifier → DeclarationId).
-- **Five L1 behaviors** (`Value`, `Transform`, `Branch`, `Loop`, `Bind`)
-  in the computation substrate — unchanged from M0. Validated by M0 under
-  three reviewer rounds; not revisited.
-- `PortState` enum (`Uninferred | Resolved(TypeShape) | Unresolved`).
-- `DiagnosticTable` and the fail-closed compile boundary (`Err(CompileError::
-  Semantic(Dag))`).
-- `SourceSpan` tracking structurally on every Node.
-
-**Unaffected:**
-
-- Tokenizer (`src/v3/compiler/src/tokenize.rs`) — minor updates only.
-- Lens architecture (`lens_provenance.rs`, `lens_cost`, etc.) — read
-  interfaces will need light updates to walk connectives instead of
-  `DeclKind` variants, but the lens-as-read-only-observer pattern stands.
-
-## 3. Declaration data model
-
-```rust
-// src/v3/compiler/src/dag.rs
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct DeclarationId(u32);
-
-#[derive(Debug, Clone)]
-pub struct Declaration {
-    pub id: DeclarationId,
-    pub name: Option<String>,
-    pub connective: TypeConnective,
-    /// Meta-type tag for value-construction Conjs. Points at the
-    /// declared meta-type whose shape this Conj is expected to
-    /// satisfy. Example: `transport shell { argv: [...] }` is a
-    /// Conj whose `meta_tag` points at the `transport` meta-type
-    /// declaration; the compiler structurally type-checks the
-    /// Conj's children against the meta-type's field shape.
-    /// None for declarations that are their own primary
-    /// meaning (algebras, primitive types, function types).
-    pub meta_tag: Option<DeclarationId>,
-    /// Algebra inhabitance edge. Separate from `meta_tag`. Used
-    /// when a declaration has its own primary structure AND
-    /// additionally inhabits an algebra beyond its structural
-    /// shape. Example: a hypothetical `Money` record
-    /// (`Conj { value: Float, currency: Currency }`) could
-    /// additionally inhabit a `CurrencyLattice` algebra; that
-    /// edge goes here, not in `meta_tag`. For pure aliases like
-    /// `Int = OrderedRing<Word64>`, the Instantiation connective
-    /// IS the inhabitance and `inhabits` stays None.
-    pub inhabits: Option<DeclarationId>,
-    pub span: SourceSpan,
-}
-
-#[derive(Debug, Clone)]
-pub enum TypeConnective {
-    /// Irreducible leaf. See AtomPayload.
-    Atom(AtomPayload),
-
-    /// Labeled product — logical AND. All children present together.
-    Conj { children: Vec<Field> },
-
-    /// Labeled coproduct — logical OR. Exactly one variant active.
-    Disj { variants: Vec<Field> },
-
-    /// Function type — directional flow from inputs to an output.
-    /// Function type — directional flow from inputs to an output.
-    /// `body` is an ArrowBody enum covering user-defined sub-DAGs,
-    /// extdeps-declared realizations, and the Pending bootstrap
-    /// state. See Q7 for the full semantics.
-    Arrow {
-        inputs: Vec<DeclarationId>,
-        output: DeclarationId,
-        body: ArrowBody,
-    },
-
-    /// Repetition over an element type with a bound. Unifies v2's
-    /// Required/Optional with list cardinality.
-    Cardinality {
-        element: DeclarationId,
-        bound: CardinalityBound,
-    },
-
-    /// Specialization of a parameterized template declaration with
-    /// concrete template arguments. Matches C++ template instantiation:
-    /// `template` is the parameterized declaration (analogous to
-    /// `template<typename T> class X { ... }`), `arguments` is the
-    /// list of concrete bindings (analogous to the `X<int>` site).
-    /// For pure aliases like `Int = OrderedRing<Word64>`, Int's
-    /// connective IS Instantiation directly — inhabitance collapses
-    /// into this form. See also Declaration.inhabits for the rare
-    /// secondary case.
-    Instantiation {
-        template: DeclarationId,
-        arguments: Vec<TemplateArgument>,
-    },
-}
-
-#[derive(Debug, Clone)]
-pub struct Field {
-    pub label: String,
-    pub ty: DeclarationId,
-}
-
-#[derive(Debug, Clone)]
-pub enum ArrowBody {
-    /// User function. NodeId is the root of a sub-DAG of L1
-    /// behavior nodes in Dag::nodes.
-    UserDefined(NodeId),
-    /// Primitive / intrinsic whose realization is declared in
-    /// an extdeps language spec. DeclarationId points at the
-    /// realization declaration, reached by a typed edge — not
-    /// by name lookup. See Q7.
-    ExternalRealization(DeclarationId),
-    /// Bootstrap state at M1(2.5): static grounding is complete
-    /// via inhabitance, but no realization declaration is
-    /// loaded yet. Scaffolded state — CI ratchet (§8.11,
-    /// distinct from §8.10's substrate-extension audit)
-    /// enforces that Pending resolves to UserDefined or
-    /// ExternalRealization before M3 completes.
-    Pending,
-}
-
-#[derive(Debug, Clone)]
-pub enum AtomPayload {
-    /// A literal bit pattern carried at the type level.
-    /// Terminal: comes from source text literals (numbers,
-    /// strings, booleans). User-input boundary.
-    Literal(LiteralBits),
-    /// An identifier reference. String pre-resolution, DeclarationId
-    /// post-resolution. Stored as a string so pre/post is a bit flag,
-    /// not a variant split.
-    /// Terminal: comes from user-chosen names in source text.
-    /// User-input boundary.
-    Identifier { name: String, resolved: Option<DeclarationId> },
-    /// A type parameter declaration slot. Appears as a child of a
-    /// parameterized declaration; referenced from inside the body by
-    /// other Identifier atoms that resolve to this slot.
-    /// Terminal: the declaration site of a type parameter in
-    /// `type Foo<T> { ... }`. User-chosen name; the value is
-    /// bound at Instantiation time.
-    TypeParam(String),
-    /// A source span reference for metadata-only atoms.
-    /// Terminal: byte offsets in source files. Metadata, not
-    /// data flowing through the graph; span atoms appear as
-    /// children of declarations for diagnostic purposes.
-    Span(SourceSpanId),
-}
-
-// AtomPayload dissolution ledger (4-pattern check per
-// §"Structural decompression"):
-//
-// AtomPayload is a 4-variant coproduct at M1(2.5). Each variant
-// represents a distinct KIND OF USER-INPUT BOUNDARY — a
-// terminal fact the compiler receives from outside the closed
-// world and does not decompose further.
-//
-// Pattern 1 (fact placement): fails. Literal/Identifier/
-//   TypeParam/Span serve different downstream consumers
-//   (inference reads types via Identifier, error reporting
-//   reads Span, literal constant folding reads Literal,
-//   template substitution reads TypeParam). Scattering each
-//   into its own substrate slot would create four parallel
-//   atom carriers and multiply the substrate surface without
-//   simplifying anything.
-//
-// Pattern 2 (variant-is-data): fails. The variants are not
-//   "different data in the same shape" — they have structurally
-//   different payload types (bit pattern vs string vs type-
-//   parameter-name vs byte offset). A unified payload type
-//   would require a tagged union, which is what we already
-//   have.
-//
-// Pattern 3 (algebraic form): fails. The four variants do not
-//   trace to introduction/elimination forms of any algebra in
-//   std/; they are terminal facts from distinct user-input
-//   boundaries.
-//
-// Pattern 4 (dimensional): fails. There is no shared coordinate
-//   space underlying the four variants. "Literal" and "Span"
-//   don't share structural dimensions.
-//
-// Dissolution verdict: AtomPayload is genuinely terminal.
-// Each variant corresponds to a distinct user-input boundary
-// (per §"Structural decompression": "terminal at the user-input
-// boundary"). The 4-variant shape is load-bearing and should
-// not dissolve. No further action needed. Any future extension
-// (e.g., adding a `Char` literal kind) would be a variant
-// extension subject to §8.10's substrate-extension audit.
-
-#[derive(Debug, Clone)]
-pub enum LiteralBits {
-    Int(i64),
-    Bool(bool),
-    String(String),
-}
-
-#[derive(Debug, Clone)]
-pub enum CardinalityBound {
-    /// Exact count. Required fields use Exact(1); fixed-size
-    /// arrays use Exact(n); argv literals use Exact(3).
-    Exact(u32),
-    /// Zero or one. The distinct shape for optional fields
-    /// (`T?` in surface syntax). Keeps 0..1 structurally
-    /// distinguishable from 0..n.
-    AtMostOne,
-    /// Zero or more. The shape for `List<T>`, used anywhere
-    /// the count is unbounded.
-    Unbounded,
-    // Range / AtLeast(n) / AtMost(n) deferred to M1+; neither
-    // algebra.dag nor minimal shell.dag needs them. AtMostOne
-    // is included from the start because Optional is a
-    // distinct shape from List and conflating them would let
-    // illegal states (a "List-typed optional") be representable.
-}
-
-#[derive(Debug, Clone)]
-pub struct TemplateArgument {
-    /// The template parameter being bound. References a TypeParam
-    /// Atom declared as a child of the template. In C++ terms:
-    /// the `T` in `template<typename T>`.
-    pub parameter: DeclarationId,
-    /// The concrete type the parameter is bound to. In C++ terms:
-    /// the `int` in `X<int>`.
-    pub value: DeclarationId,
-}
-```
-
-Estimated line count: ~120 lines of Rust for the data model + helper impls.
-Concrete implementation may grow this slightly for accessor ergonomics.
-
-## 4. Load-bearing design questions — answered
-
-### Q0: What counts as an Instantiation (vs a Conj, vs inhabitance)?
-
-**Answer: Instantiation is ONLY for type parameterization. Value
-construction and inhabitance witness use different mechanisms.**
-
-Earlier drafts of the thesis used "Instance" as a catch-all for
-three different structural relationships. The reviewer flagged
-this as a coproduct hiding in prose — the Rust struct layout
-can't accommodate all three without becoming a three-variant
-coproduct itself. The resolution is to commit each to a specific
-mechanism:
-
-**Case 1: Type parameterization** (e.g., `Int64 = OrderedRing<Word64>`,
-`Monoid<Int>`) uses the `Instantiation` connective. Binds type
-parameters (Atoms with `TypeParam` payload) to concrete type
-declarations. Substitution is lazy at walk time via a substitution
-stack. Matches C++ `template<typename T> class X { ... }` →
-`X<int>` exactly.
-
-**Case 2: Value construction** (e.g., `transport shell { argv:
-["sh", "-lc", "{script}"] }`, `Order { customer_id: "x", items:
-[...] }`) is **NOT** Instantiation. It is a plain `Conj` whose
-children are bound to specific values, with an optional
-`meta_tag` edge on the Declaration pointing at the meta-type
-the Conj is expected to satisfy:
-
-```
-Node: Run_transport
-  connective: Conj
-  children: [
-    Field { label: "argv", ty: argv_literal_node }
-  ]
-  meta_tag: Some(transport_shell_meta_ref)   // meta-type tag
-  inhabits: None                              // no algebra inhabitance
-```
-
-The compiler type-checks this Conj against `transport_shell_meta`'s
-declared field shape via a structural check on the `meta_tag`
-edge — no Instantiation machinery involved. The `meta_tag`
-answers "what shape should this Conj satisfy?"; the Conj's
-children answer "what values do the fields hold?"
-
-**`meta_tag` vs `inhabits`: two different edges.** The
-Declaration struct (§3) has both. They serve different
-relations:
-
-- **`meta_tag`** — "this Conj's shape is constrained by the
-  linked meta-type declaration." Used for value construction
-  (services, records, transports). The linked declaration is
-  typically itself a Conj whose fields describe the expected
-  shape.
-- **`inhabits`** — "this declaration additionally satisfies
-  the linked algebra's laws." Used for secondary algebra
-  inhabitance on declarations that have their own primary
-  structure. Typically unused at M1(2.5); held open for
-  future Money-inhabits-CurrencyLattice-type cases.
-
-Earlier drafts of this section used `inhabits` for both
-relations, which overloaded one field with two distinct
-meanings. The split into `meta_tag` + `inhabits` is the
-dissolution fix.
-
-**Case 3: Inhabitance witness** (e.g., `Int inhabits OrderedRing`)
-for pure aliases like `Int = OrderedRing<Word64>` is **the
-Instantiation itself** — Int's declaration has connective
-`Instantiation { template: OrderedRing, bindings: [T := Word64] }`
-directly. There is NO separate witness edge. Inhabitance for
-pure aliases COLLAPSES into the Instantiation.
-
-The optional `Declaration.inhabits` slot (see Q2 below) is
-reserved for the rare case of a declaration with primary
-structure AND additional inhabitance — e.g., a hypothetical
-`Money` record that also inhabits a `CurrencyLattice` algebra.
-At M1(2.5) this slot stays empty for every declaration we'll
-encounter in algebra.dag and shell.dag. It exists as forward
-compatibility without substrate complexity.
-
-**Result: one Instantiation connective with unambiguous
-semantics (type parameterization only).** Value construction
-stays in the Conj family, inhabitance-for-aliases collapses into
-Instantiation naturally, and the optional `inhabits` edge covers
-the rare secondary case. No three-variant coproduct, no hidden
-overload.
-
-### Q1: What does Instantiation actually hold structurally?
-
-**Answer: lazy substitution with shared templates.**
-
-`Instantiation { template: DeclarationId, arguments: Vec<TemplateArgument> }`.
-Using C++ vocabulary: `template` is the parameterized declaration
-being instantiated (the `template<typename T> class X { ... }`
-side); `arguments` is the list of template arguments (the
-`X<int>` side). Each `TemplateArgument` pairs a template
-parameter (a TypeParam Atom in the template declaration) with a
-concrete type reference.
-
-The template is shared; substitution happens at walk time, not at
-declaration time. Int and UInt both reference the same OrderedRing
-template, with different arguments. Each walker carries a
-substitution stack and resolves parameter references on demand.
-
-**Why lazy over eager.** Eager substitution (copying the template and
-replacing parameter atoms with their values) is simpler for a first pass
-but:
-
-1. Memory waste — each instantiation allocates a full copy of the template.
-2. Sharing loss — the structural fact "Int and UInt both inhabit the same
-   algebra" is not visible in the Node graph.
-3. Diagnostic degradation — when inference fails on `Int.add`, the error
-   context points at an anonymous substituted copy instead of "OrderedRing's
-   `add` specialized with T := Word64."
-
-Lazy substitution preserves all three properties at the cost of a small
-substitution-stack overhead during walks. That overhead is O(declaration
-depth), not O(user program size).
-
-**Memoization is a lens concern, not substrate.** If walking the same
-Instantiation repeatedly becomes hot, lenses can cache — but that's a
-lens-level optimization, not a substrate decision.
-
-### Q2: How is `inhabits` realized?
-
-**Answer: Instantiation is the primary realization; the secondary `inhabits`
-edge is a slot held open for forward compatibility.**
-
-For pure aliases like `Int = OrderedRing<Word64>`, Int's Node has
-`connective: Instantiation { template: OrderedRing, bindings: [T := Word64] }`.
-There is NO separate "Int declaration with an inhabits edge pointing at
-an Instantiation Node." The collapse is honest because Int has no structure
-of its own beyond the inhabitance — it's a pure alias.
-
-`Declaration.inhabits: Option<DeclarationId>` is reserved for the rarer
-case where a declaration has its own primary structure AND inhabits
-something additional. Example (not in scope for M1(2.5)):
-
-```dag
-type Money {
-  value: Float
-  currency: Currency
-}
-// Money primarily is a Conj, AND additionally inhabits CurrencyLattice
-```
-
-In that case Money's primary connective is Conj, and `inhabits` holds an
-optional reference to the additional semantic layer. At M1(2.5) this slot
-stays empty for every declaration in `algebra.dag` and `shell.dag`; it
-exists for forward compatibility without adding substrate complexity.
-
-**No separate "kind" field beyond the connective enum.** The connective
-variant IS the kind.
-
-### Q3: How are type parameters (`<T>`) represented at the substrate level?
-
-**Answer: Type parameters are Atom declarations with a TypeParam payload.
-No new connective.**
-
-A parameterized declaration lists its parameters as children of its Conj.
-The children whose target's connective is `Atom(TypeParam(_))` are the
-parameters; the rest are the declaration's "real" content. Example:
-
-```
-Declaration: Magma
-  connective: Conj {
-    children: [
-      Field { label: "T",  ty: DeclarationId(T_param) },
-      Field { label: "op", ty: DeclarationId(op_arrow) },
-    ]
-  }
-
-Declaration: T_param
-  connective: Atom(TypeParam("T"))
-
-Declaration: op_arrow
-  connective: Arrow {
-    inputs:  [DeclarationId(T_ref), DeclarationId(T_ref)],
-    output:  DeclarationId(T_ref),
-    body:    None,  // algebra field, no body
-  }
-
-Declaration: T_ref
-  connective: Atom(Identifier { name: "T", resolved: Some(T_param) })
-```
-
-`T_param` is the parameter's declaration site; `T_ref` is a reference
-to it from inside the body. The parser produces both; name resolution
-links identifier atoms to their target declarations.
-
-The distinction between "parameter child" and "field child" is
-determined by walking to the target and checking its connective — no
-metadata on the `Field` edge, no separate parameter list. A walker that
-wants to enumerate parameters filters `children` to those whose target
-is `Atom(TypeParam(_))`.
-
-**No seventh connective.** Type parameters reuse the Atom primitive with
-a specialized payload.
-
-### Q4: Where does parameter-to-value substitution actually happen?
-
-**Answer: Lazy at walk time via a substitution stack.**
-
-```rust
-struct SubstStack {
-    frames: Vec<Vec<TemplateArgument>>,
-}
-
-impl SubstStack {
-    fn lookup(&self, param: DeclarationId) -> Option<DeclarationId> {
-        // Walk frames top-down, return first matching binding.
-        for frame in self.frames.iter().rev() {
-            for binding in frame {
-                if binding.parameter == param {
-                    return Some(binding.value);
-                }
-            }
-        }
-        None
-    }
-
-    fn push(&mut self, bindings: Vec<TemplateArgument>) {
-        self.frames.push(bindings);
-    }
-
-    fn pop(&mut self) {
-        self.frames.pop();
-    }
-}
-
-fn walk(dag: &Dag, id: DeclarationId, subst: &mut SubstStack) -> /* result */ {
-    let decl = dag.declaration(id);
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::Identifier { resolved: Some(tgt), .. }) => {
-            // If the target is a TypeParam and we have a binding for it,
-            // follow the binding instead of the param.
-            if let Some(bound) = subst.lookup(*tgt) {
-                walk(dag, bound, subst)
-            } else {
-                walk(dag, *tgt, subst)
-            }
-        }
-        TypeConnective::Instantiation { template, bindings } => {
-            subst.push(bindings.clone());
-            let result = walk(dag, *template, subst);
-            subst.pop();
-            result
-        }
-        TypeConnective::Conj { children } => {
-            for field in children {
-                walk(dag, field.ty, subst);
-            }
-            // ...
-        }
-        // ... similar for Disj, Arrow, Cardinality, Atom
-    }
-}
-```
-
-Inference and emission both carry their own `SubstStack` during walks.
-The substrate stores no substitution state; every walker pushes/pops as
-it enters/exits Instantiation nodes.
-
-**Why not lowering-time substitution?** Lowering-time would produce a
-fully-specialized tree for each Instantiation, losing sharing and diagnostic
-provenance. See Q1 rationale.
-
-### Q5: Cardinality's scope — does it subsume v2's Required/Optional?
-
-**Answer: Yes, with three distinct bound variants at M1(2.5).**
-
-v2's `constructors.dag` has `Required | Optional` as a flat enum
-on binding sites. In v3's substrate, all presence/repetition
-shapes become variants of `CardinalityBound`:
-
-- `Required` = `Cardinality { element: T, bound: Exact(1) }`.
-- `Optional` (`T?`) = `Cardinality { element: T, bound: AtMostOne }`.
-- `List<T>` = `Cardinality { element: T, bound: Unbounded }`.
-- `[T; n]` fixed array = `Cardinality { element: T, bound: Exact(n) }`.
-- `argv: ["sh", "-lc", "{script}"]` = `Cardinality { element: String, bound: Exact(3) }`
-  with children inlined (implementation detail).
-
-**M1(2.5) commits to three bound variants: `Exact(u32)`,
-`AtMostOne`, and `Unbounded`.** Range / AtLeast(n) / AtMost(n)
-are deferred until a real oracle needs them (neither
-`algebra.dag` nor minimal `shell.dag` does).
-
-**Why AtMostOne is in scope from the start.** Collapsing
-Optional into Unbounded (as earlier drafts proposed) lets
-"0..1" and "0..n" be represented by the same shape — which
-means a `T?` value and a `List<T>` value would be
-structurally indistinguishable. That's an illegal-states-
-unrepresentable violation: the substrate would admit shapes
-("a List where we forgot the upper bound was 1") that should
-not exist. `AtMostOne` as a dedicated variant keeps the
-distinction structural.
-
-**Optional syntax IS in scope for M1(2.5)** — `T?` parses to
-`AtMostOne`. No deferral.
-
-### Q6: How do Arrow bodies cross into the computation substrate?
-
-**Answer: Separate tables with separate ID types, referenced by
-typed edges. `DeclarationId` and `NodeId` are distinct newtypes;
-`declarations` and `nodes` are distinct tables on `Dag`.**
-
-The two substrates live in separate tables of the same Dag
-struct. Each has its own stable ID type. Crossings between them
-are **typed edges** (DeclarationId from one side, NodeId from
-the other), not shared ID spaces.
-
-```rust
-pub struct Dag {
-    // Type substrate — declarations (Conj/Disj/Arrow/etc. shapes).
-    declarations: Vec<Declaration>,
-    // Computation substrate — L1 behavior nodes, unchanged from M0.
-    nodes: Vec<Node>,
-    // Ports carry typed values through the computation graph.
-    ports: Vec<Port>,
-
-    // Name resolution, diagnostics, etc.
-    named: HashMap<String, DeclarationId>,
-    diagnostics: DiagnosticTable,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct DeclarationId(u32);   // index into Dag::declarations
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct NodeId(u32);          // index into Dag::nodes
-```
-
-**Two typed crossings connect the substrates:**
-
-1. **`Transform::target: FunctionRef(DeclarationId)`** — a
-   Transform node in the computation substrate holds a
-   `FunctionRef` wrapping a `DeclarationId`. The DeclarationId
-   points at an Arrow declaration in the type substrate, which
-   has the function's signature. Inference uses this crossing
-   to type-check the Transform.
-
-2. **`Arrow::body: ArrowBody`** — an Arrow declaration in the
-   type substrate holds an `ArrowBody` tag (see §3's data model
-   and Q7). For user functions the variant is
-   `UserDefined(NodeId)` pointing at the root of the function's
-   computation sub-DAG. For primitives whose realization lives
-   in an extdeps language spec the variant is
-   `ExternalRealization(DeclarationId)` pointing at the realization
-   declaration. For algebras at M1(2.5) bootstrap (before extdeps
-   language specs are loaded) the variant is `Pending`, a
-   scaffolded state with a CI ratchet enforcing resolution to
-   one of the other two variants before M3 completes. All three
-   variants are typed edges; no name-based lookup. See Q7.
-
-**Keeping `DeclarationId` and `NodeId` as separate newtypes
-prevents cross-substrate ID mixing bugs.** A function that
-expects a `NodeId` can't be passed a `DeclarationId`; the type
-system catches the error at compile time. The "two substrates,
-two meeting points" framing is preserved both conceptually AND
-in the type system — the two ID types are the structural
-evidence that the substrates are distinct.
-
-### Q7: How do primitive Arrows express their realization?
-
-**Answer: via a typed `realization` edge on Arrow, not by name
-lookup. `body` and `realization` are two separate fields on
-Arrow. Exactly one of them must be present post-bootstrap.**
-
-Earlier drafts of this section said "primitive Arrows have
-`body: None`, and the emitter recovers the realization by name
-from extdeps." That resurrected exactly the kind of name-based
-special-case lookup the thesis forbids: a concept whose
-realization is reached via a hardcoded path outside the substrate
-is an ungrounded concept (the escape from the epistemic chain).
-Fix: primitive Arrows point at a **realization declaration**
-via a typed edge in the same way user functions point at a body.
-
-Revised Arrow shape:
-
-```rust
-TypeConnective::Arrow {
-    inputs: Vec<DeclarationId>,
-    output: DeclarationId,
-    /// Either the realization is defined in user source (as a
-    /// sub-DAG of computation nodes) OR it's declared in an
-    /// extdeps/ language spec (as a Declaration that the
-    /// language spec references). Exactly one variant is
-    /// present post-bootstrap; both None at M1(2.5) for
-    /// algebras whose extdeps realization hasn't been
-    /// declared yet.
-    body: ArrowBody,
-}
-
-#[derive(Debug, Clone)]
-pub enum ArrowBody {
-    /// User function. The referenced NodeId is the root of a
-    /// computation sub-DAG (Value/Transform/Branch/Loop/Bind).
-    UserDefined(NodeId),
-    /// Realization declared in a language spec. The
-    /// DeclarationId points at a Realization declaration in
-    /// dsl/extdeps/languages/<target>.dag. The language spec
-    /// declaration is an ordinary Declaration in the type
-    /// substrate, reached by a typed edge like any other
-    /// declaration. Inference can follow the edge to the
-    /// realization and check that the declared signature
-    /// matches.
-    ExternalRealization(DeclarationId),
-    /// Bootstrap state: neither user body nor extdeps
-    /// realization declared yet. Legal ONLY during M1(2.5)
-    /// bootstrap while std/algebra.dag is loaded without
-    /// extdeps/languages/*.dag yet. Inference must accept
-    /// body: Pending for primitive Arrows whose signatures
-    /// resolve via inhabitance. A post-bootstrap sweep
-    /// ratchets "no Pending remains once extdeps are wired."
-    Pending,
-    /// Surface-grammar scaffold: the arrow's signature is
-    /// resolved and callers can type-check against it, but
-    /// the body source is not yet parseable under the
-    /// M1(2.7) surface grammar. Used by block-bodied fn
-    /// declarations in std/ files whose bodies contain
-    /// match/pipe/lambda/etc. The SourceSpan points at the
-    /// unparsed body range so M2+ can complete the lowering.
-    /// Dissolves when the surface grammar adopts those forms.
-    ///
-    /// **NOTE (post-M1(2.7) cleanup):** this variant was added
-    /// in M1(2.7) as a structural honesty measure — it surfaces
-    /// the fact "parser can't parse this body" into the
-    /// substrate instead of silently dropping declarations.
-    /// It is NOT yet sanctioned by `INVARIANTS.md` §"No short-
-    /// term solutions" (which currently sanctions only
-    /// `Pending` for primitive realization lag). Resolution
-    /// requires either extending INVARIANTS.md with a parallel
-    /// exception + numeric ratchet, extending the grammar so
-    /// match/pipe/lambda parse, or rewriting affected std/
-    /// functions.
-    Unparsed(SourceSpan),
-}
-```
-
-**Why `Pending` is a scaffolded state, not a forever-legal one.**
-At M1(2.5), std/algebra.dag declares `Magma<T>.op`, `Ring<T>.add`,
-etc., as Arrows. Their *signatures* are well-defined (they
-resolve through inhabitance via the substitution stack). Their
-*realizations* — what these operations map onto in Rust / Python
-/ Go — need `src/v3/spec/rust.dag` and friends to
-declare the target mapping, and those files don't exist yet.
-`Pending` names the state "this Arrow has a valid static
-grounding via inhabitance, but no realization declaration has
-been loaded." It is explicitly scaffolded: a CI-enforced
-monotonic-decrease ratchet (see §8.11 for the specification;
-distinct from §8.10's substrate-extension audit) requires that
-every commit after M1(2.5) either preserves or reduces the
-count of Pending Arrows in the loaded declaration table, until
-the count reaches zero by M3.
-
-**Dissolution ledger entry (updated post-M1(2.7)).** ArrowBody is
-a **4-variant** coproduct that MIXES two terminal semantic cases
-(`UserDefined`, `ExternalRealization`) with **two scaffolded-state
-cases** (`Pending`, `Unparsed`). This is a mixed-lifecycle
-coproduct: both scaffold variants are expected to dissolve out
-of the variant set, leaving only the two terminal cases. The
-§"Structural decompression" four-pattern check classifies
-ArrowBody as follows:
-
-- **Pattern 1 (fact placement)**: fails — UserDefined and
-  ExternalRealization are Arrow-level facts with different
-  structural targets (NodeId vs DeclarationId); scattering is
-  not simplification.
-- **Pattern 2 (variant-is-data)**: fails — the two terminal
-  cases point at structurally different substrates.
-- **Pattern 3 (algebraic form)**: partial — both terminal cases
-  are forms of "Arrow realization reference," but the reference
-  types are different enough that collapsing would require
-  introducing a sum of NodeId/DeclarationId (which would be a
-  worse coproduct, not a better one).
-- **Pattern 4 (dimensional)**: fails — there is no shared
-  coordinate space underlying the two terminal cases.
-
-ArrowBody's **terminal form is 2 variants** (UserDefined,
-ExternalRealization). `Pending` and `Unparsed` are transient
-variants tracked separately by dissolution trigger:
-
-- **`Pending`** — primitive realization lag. Sanctioned by
-  `INVARIANTS.md#p5-progress-is-dissolution` as a named scaffold with a
-  dissolution trigger.
-  Dissolution trigger: §8.11 monotonic-decrease ratchet;
-  reaches zero when every primitive Arrow has an
-  `ExternalRealization(decl_id)` pointing at a realization
-  declaration in `dsl/extdeps/languages/<target>.dag`.
-- **`Unparsed(SourceSpan)`** — surface-grammar scaffold, added
-  in M1(2.7). **Not currently sanctioned by INVARIANTS.md.**
-  The invariant file lists only two sanctioned exceptions
-  (emission via language spec, `Pending` for primitive
-  realization lag) — `Unparsed` is a third category that
-  surfaced in M1(2.7) and needs explicit resolution: either
-  (a) extend `INVARIANTS.md` with a parallel exception + numeric
-  ratchet whose dissolution trigger is "M2 grammar extension
-  parses match/pipe/lambda," or (b) extend the grammar, or (c)
-  rewrite affected std/ functions to fit the current grammar.
-
-Once both ratchets reach zero, the enum becomes 2 variants
-(terminal form) via a substrate-extension PR (reverse of §8.10's
-check).
-
-**This matches `body` for user functions.** A `UserDefined`
-body is a `NodeId` into the computation substrate — a typed
-edge, not a name lookup. An `ExternalRealization` is a
-`DeclarationId` into another declaration in the type substrate
-(in `dsl/extdeps/languages/<target>.dag`) — also a typed edge,
-also not a name lookup. Both are structural; both are walkable
-by any consumer without name resolution.
-
-**Inference handling (post-M1(2.7), 4-variant match):**
-
-- `UserDefined(node_id)`: type-check the sub-DAG body against
-  the declared input/output types.
-- `ExternalRealization(decl_id)`: walk the realization
-  declaration, verify its declared signature is compatible
-  with this Arrow's signature.
-- `Pending`: accept as realization-pending; the signature
-  type-checks via inhabitance. Emission of this Arrow
-  requires the `Pending` to resolve before the emitter runs.
-- `Unparsed(span)`: accept at signature-check time; the
-  signature type-checks against the declared inputs/output.
-  Body-walking is skipped. Emission MUST fail closed —
-  an `Unparsed` body cannot be lowered to target source
-  because its body is literally unparsed. The failure is
-  enforced at `emit.rs` in PR-B by exhaustive match on
-  `ArrowBody` with both `Pending` and `Unparsed` as
-  fail-closed arms.
-
-**For M1(2.5):** primitive Arrows in algebra.dag land with
-`body: Pending`. Inference treats them as ok-for-signature-
-checking but not-yet-emittable. The substrate test
-`parse_std_algebra_and_walk_int_add` validates that inhabitance
-walk produces the correct Arrow type even with Pending bodies.
-
-**The "no concept is opaque" stop signal applies fully.** An
-Arrow whose realization is reached via a hardcoded path outside
-the substrate (e.g., a Rust function inside the compiler that
-the emitter calls by name when it sees this Arrow) IS ungrounded
-and is a thesis violation. The `ArrowBody` enum forces
-realization to be either a sub-DAG or a typed reference to
-another Declaration — both walkable, both structural, neither
-an escape hatch.
-
-## 5. `dsl/std/algebra.dag` mapping (substrate test oracle #1)
-
-Walk the first five algebras onto the data model. The remaining
-structures (CommutativeMonoid, Group, AbelianGroup, Semiring, Ring,
-OrderedRing, Field, Lattice, BoundedLattice, BooleanAlgebra, FreeMonoid,
-PartialFunction) follow the same pattern.
-
-### Magma<T>
-
-```
-Magma:
-  connective: Conj {
-    children: [
-      Field { label: "T",  ty: Magma_T_param   },
-      Field { label: "op", ty: Magma_op_arrow  },
-    ]
-  }
-
-Magma_T_param:
-  connective: Atom(TypeParam("T"))
-
-Magma_op_arrow:
-  connective: Arrow {
-    inputs:  [Magma_T_ref1, Magma_T_ref2],
-    output:  Magma_T_ref3,
-    body:    None,
-  }
-
-Magma_T_ref1, Magma_T_ref2, Magma_T_ref3:
-  connective: Atom(Identifier { name: "T", resolved: Some(Magma_T_param) })
-```
-
-Six declarations: one Conj, one TypeParam Atom, one Arrow, three
-Identifier Atoms. No new primitives. The identifier atoms could be
-collapsed into shared references during interning; that's an
-implementation-side optimization, not a substrate decision.
-
-### Semigroup<T>
-
-Semigroup adds associativity as a law — a property of the algebra, not
-a declared field. In the substrate, associativity is NOT a child.
-Semigroup's declaration is structurally identical to Magma's Conj
-shape; the associativity property is asserted by inference rules that
-inspect `inhabits` chains and apply rewrite rules.
-
-**M1(2.5) does not implement law checking.** Semigroup's declaration
-lands as a Conj with the same `op` child. Associativity becomes
-relevant when algebraic-simplification lenses are built — deferred.
-
-### Monoid<T>
-
-```
-Monoid:
-  connective: Conj {
-    children: [
-      Field { label: "T",        ty: Monoid_T_param       },
-      Field { label: "op",       ty: Monoid_op_arrow      },
-      Field { label: "identity", ty: Monoid_identity_ref  },
-    ]
-  }
-
-Monoid_T_param:  Atom(TypeParam("T"))
-Monoid_op_arrow: Arrow { inputs: [T, T], output: T, body: Pending }
-Monoid_identity_ref: Atom(Identifier { name: "T", resolved: Some(Monoid_T_param) })
-```
-
-**Level note (Field vs value).** The Monoid declaration's
-`identity` child is a `Field`, not a value itself. The `Field`'s
-`ty` edge points at the T parameter declaration — i.e., "this
-field's TYPE is T." At runtime, a specific Monoid inhabitant
-(e.g., "additive monoid on Int") provides a concrete T value
-(e.g., `0`) that fills the identity slot. This matches the C++
-analogue exactly: `template<typename T> struct Monoid { T op;
-T identity; };` declares `identity` as a member of type T; the
-T in that position is a type, not a value, and the member slot
-holds a T-value at runtime. The Monoid declaration is the
-shape-level statement ("every Monoid has an identity field of
-type T"); concrete identity values come from witnesses at
-instantiation time (a design concern deferred to realization
-work, not M1(2.5) substrate shape).
-
-`identity` resolves at inference time to a field whose type is
-whatever T is bound to in the current Instantiation (e.g., Int
-for `Monoid<Int>`).
-
-### Ring<T>
-
-```
-Ring:
-  connective: Conj {
-    children: [
-      Field { "T",      Ring_T_param      },
-      Field { "add",    Ring_add_arrow    },  // Arrow(T, T, T)
-      Field { "zero",   Ring_T_ref_zero   },
-      Field { "negate", Ring_negate_arrow },  // Arrow(T, T)
-      Field { "mul",    Ring_mul_arrow    },  // Arrow(T, T, T)
-      Field { "one",    Ring_T_ref_one    },
-    ]
-  }
-```
-
-Six children — one parameter, four Arrow-valued fields (add, negate,
-mul), and two Atom-valued fields (zero, one). Same pattern as Monoid,
-just more fields.
-
-### OrderedRing<T>
-
-Extends Ring with `compare` (an Arrow returning an `Ordering` Disj),
-`quotient`, `remainder`. Same shape pattern.
-
-### Int — the inhabiting instance
-
-```
-Int:
-  connective: Instantiation {
-    template: OrderedRing,
-    bindings: [
-      TemplateArgument {
-        parameter: OrderedRing_T_param,
-        value:     Word64,
-      }
-    ]
-  }
-```
-
-Walking `Int.add`:
-
-1. Start at `Int` — `Instantiation` connective.
-2. Push `[T := Word64]` onto substitution stack.
-3. Walk to template `OrderedRing` — `Conj` connective.
-4. Find child `"add"` — points at `OrderedRing.add` which is an Arrow
-   declaration.
-5. Walk the Arrow's inputs: each is an Atom(Identifier) resolving to
-   `OrderedRing_T_param`.
-6. Look up `OrderedRing_T_param` in substitution stack → find `Word64`.
-7. Substitute each input/output with `Word64`.
-8. Yield `Arrow { inputs: [Word64, Word64], output: Word64, body: Pending }`.
-9. Pop substitution frame on exit.
-
-**Pure structural walk. No hardcoded knowledge of Int, Ring, add, or
-Word64.** The compiler doesn't know what "add" means — it just finds
-the child labeled "add" and returns its Arrow type with parameters
-substituted.
-
-**Substrate test `parse_std_algebra_and_walk_int_add` passes** when
-this walk produces `Arrow(Word64, Word64, Word64)` as the type of
-`Int.add` from an empty compiler state parsing only `std/algebra.dag`
-+ the `Int = OrderedRing<Word64>` declaration.
-
-## 6. Nested-domain-model oracle #2 (synthetic)
-
-**Scope note:** M1(2.5) does NOT aim for full fidelity against
-`dsl/extdeps/shell.dag` as-is. That file has structure we are
-not ready to host yet: a `transport_shell_template` with its own
-declaration (which lives in `dsl/extdeps/transports/shell.dag` —
-not currently declared in the project), `exit` branches (which
-use Disj with payloads and need the sum-type parser extensions),
-and `mock_response` tables (which need literal-record construction).
-
-**Instead:** oracle #2 is a **synthetic nested-domain model**
-that exercises the same substrate shapes `shell.Exec.Run` would
-exercise, without inheriting v2's specific extdeps declarations
-we haven't staged yet. The synthetic model is defined inline in
-the M1(2.5) test source:
-
-```dag
-// Test-only declaration. Exercises the nested-domain shape
-// (Conj-of-Conj-of-field-values-with-inhabits-tags) that shell.dag
-// uses, without importing shell.dag itself.
-
-type SyntheticService {
-  operations: Conj  // labeled-operation container
-}
-
-type SyntheticOperation {
-  input:     Conj   // labeled-field record
-  output:    Conj
-  arguments: List<String>
-}
-
-// An instance of the synthetic service — what the test parses.
-service CmdExec: SyntheticService {
-  operation Run: SyntheticOperation {
-    input  { script: String }
-    output { stdout: String; stderr: String; exit_code: Int }
-    arguments: ["sh", "-lc", "{script}"]
-  }
-}
-```
-
-All nested Conj compositions, no new connectives, no references
-to un-declared v2 files. This subset exercises:
-
-- Nested Conj (service → operations → operation → input/output).
-- `inhabits` tags on the service/operation Conjs pointing at the
-  meta-type declarations (`SyntheticService`, `SyntheticOperation`).
-- Cardinality with `Exact(3)` for the argument list literal.
-- String literal Atoms as leaves.
-- Value-construction via Conj-with-field-values (NOT Instantiation —
-  see Q0 and BI-1).
-
-Parsed into the substrate:
-
-```
-CmdExec:
-  connective: Conj
-  inhabits: Some(SyntheticService_decl)
-  children: [
-    Field { label: "operations", ty: CmdExec_operations }
-  ]
-
-CmdExec_operations:
-  connective: Conj
-  children: [
-    Field { label: "Run", ty: CmdExec_Run }
-  ]
-
-CmdExec_Run:
-  connective: Conj
-  inhabits: Some(SyntheticOperation_decl)
-  children: [
-    Field { label: "input",     ty: Run_input     },
-    Field { label: "output",    ty: Run_output    },
-    Field { label: "arguments", ty: Run_args      },
-  ]
-
-Run_input:
-  connective: Conj
-  children: [
-    Field { label: "script", ty: String_decl }
-  ]
-
-Run_output:
-  connective: Conj
-  children: [
-    Field { label: "stdout",    ty: String_decl },
-    Field { label: "stderr",    ty: String_decl },
-    Field { label: "exit_code", ty: Int_decl    },
-  ]
-
-Run_args:
-  connective: Cardinality {
-    element: String_decl,
-    bound:   Exact(3),
-  }
-```
-
-Five levels of nesting:
-1. service (Conj with inhabits)
-2. operations container (Conj)
-3. operation Run (Conj with inhabits)
-4. input / output / arguments members (Conj or Cardinality)
-5. scalar fields and literal atoms (Atom)
-
-Every level maps onto the six-connective shape. **No new
-connective variants needed.** The `inhabits` tag provides the
-"this Conj satisfies this meta-type" semantics without any
-special Service/Operation connective.
-
-**Substrate test `parse_synthetic_service_all_layers` passes** when
-parsing this subset produces the above Declaration tree with no
-extension to the connective enum.
-
-**Scope of the synthetic oracle.** The synthetic oracle is a
-**static substrate shape test**, not an end-to-end execution
-test. It validates that:
-
-- The parser can produce a nested-Conj Declaration tree at this
-  shape.
-- Name resolution correctly links identifier atoms to their
-  target declarations (`SyntheticService`, `SyntheticOperation`,
-  `String`, `Int`, `Bool`).
-- Inference walks the tree without panicking and type-checks the
-  Conj-with-meta-tag shape against the meta-type's declared
-  field layout.
-
-It does NOT validate:
-
-- That the declared structure corresponds to real external
-  behavior (there is no real `CmdExec` service to run).
-- That emission produces working target code (emission is M1(4)+).
-- That a language-spec realization exists for the operation
-  (realization is M1(3)+).
-- That runtime primitives invoke it correctly.
-
-Those validations are end-to-end consumer concerns that arrive
-later. The synthetic oracle is deliberately scoped to the
-substrate-shape layer only. See §6.5 below for the one smoke
-test that does exercise a minimal end-to-end realization path.
-
-**Why synthetic rather than the real shell.dag:** full shell.dag
-fidelity requires the extdeps/transports layer, sum-type payloads
-(for `exit`), and literal record construction (for `mock_response`)
-— all of which are genuine substrate exercises but add scope
-beyond what's needed to prove the substrate shape is right. The
-synthetic oracle tests the shapes that shell.dag uses without
-inheriting its specific external dependencies. Full shell.dag
-adoption is a follow-up milestone (M1(2.6) or M2) that lands
-after extdeps/transports exists as a declared .dag subtree.
-
-## 6.5 Realization smoke test (end-to-end spot check)
-
-The static oracles in §5 and §6 prove the substrate shape hosts
-the required compositions. They do NOT prove that the
-`ExternalRealization` path in `ArrowBody` actually wires through
-inference and connects a primitive Arrow to a realization
-declaration. That path is the one piece of M1(2.5)'s realization
-story that has to exist in Rust for the M3 `.dag` rewrite to be
-mechanical translation; leaving it entirely unvalidated would
-let realization-entanglement issues surface late.
-
-**The smoke test** is a small, self-contained validation of the
-ExternalRealization path:
-
-1. Bootstrap parses `dsl/std/logic.dag`, `dsl/std/bit.dag`,
-   `dsl/std/algebra.dag`, `dsl/std/types.dag` as normal
-   (producing primitive Arrows with `body: Pending`).
-2. **Additionally**, bootstrap parses a one-file stub
-   `src/v3/spec/rust.dag` that declares exactly ONE
-   realization: `Int64.add` maps to the Rust `i64::wrapping_add`
-   intrinsic. The stub is a Conj declaration:
-
-   ```dag
-   module extdeps.languages.rust
-
-   import std.integer { Int64 }
-
-   realization Int64_add {
-     for:    Int64.add   // the .dag concept being realized
-     target: rust        // language target
-     body:   "i64::wrapping_add"  // target-specific identifier
-   }
-   ```
-
-3. After bootstrap, the `Int64.add` Arrow's `body` field is
-   **`ExternalRealization(Int64_add_decl_id)`** instead of
-   `Pending`. The inference pass must treat this as a valid
-   realization and walk the declaration to verify signature
-   compatibility.
-4. A new test `smoke_int_add_external_realization` asserts:
-   - Int64.add's Arrow body is `ExternalRealization(_)` after
-     bootstrap, not `Pending`.
-   - The referenced Declaration is reachable by walking the
-     DeclarationId.
-   - The referenced Declaration's `target` field is the
-     `rust` Atom (validates the typed edge, not a name lookup).
-   - Inference accepts the Arrow as ready-for-emission.
-
-**Scope:** one language-spec stub declaration, one realization
-entry, one test. The `realization` meta-type declaration itself
-must land as a Conj declaration in std/ or extdeps/ as part of
-this work — expect ~30 lines of declarative `.dag` plus a
-~20-line Rust test. Total: ~1-2 hours beyond the main M1(2.5)
-scope.
-
-**Why this is in scope for M1(2.5) despite being deferred
-elsewhere.** M1(2.5)'s job is to pin down the substrate shape
-so that M3 (the `.dag` rewrite) is mechanical translation. The
-`ArrowBody::ExternalRealization` variant is part of the substrate
-shape commitment; having zero tests for it at M1(2.5) means the
-first code path that exercises it lands at M1(3)+ and might
-discover shape problems that force substrate changes — exactly
-the retrofit debt this milestone is meant to prevent. One smoke
-test closes this risk without pulling in a full rust.dag.
-
-**What this smoke test does NOT do.** It does not emit actual
-Rust code, does not execute anything, does not provide a real
-runtime. It just proves that the `ExternalRealization` path
-walks cleanly through inference. Emission of the walked result
-is M1(4) work.
-
-## 7. Implementation plan
-
-Focused, small, one PR. No scope creep.
-
-### File-by-file
-
-| File | Action | Est. time |
-|---|---|---|
-| `src/v3/compiler/src/dag.rs` | Replace `DeclKind::{Type, Function}` with the `TypeConnective` enum + `Declaration` / `Field` / `AtomPayload` / `CardinalityBound` / `TemplateArgument` data model from §3. Keep `DeclarationId`, `Dag`, bootstrap entry. | ~1.5h |
-| `src/v3/compiler/src/tokenize.rs` | Minor — add `<` and `>` as type-parameter delimiters, `|` as top-level sum-type separator, `fn(...)` arrow-type prefix if needed. | ~30m |
-| `src/v3/compiler/src/parse.rs` | Extensions per §8: `type Foo<T> { ... }` into Conj with TypeParam children (§8.2/8.3); `type Foo = Bar<X>` into Instantiation (§Q0); `type Name = A \| B(payload)` into Disj with payload variants (§8.7); `fn(A, B) -> C` as type-position expression (§8.8); infix operators as Conj-with-function-label (§8.9). Drop the flat `fn std::int::add(...)` primitive-signature shortcut. | ~4h |
-| `src/v3/compiler/src/lower.rs` | Two-pass lowering: (1) collect declaration names into symbol table; (2) resolve Identifier atoms and build the connective tree (§8.1). Handle substitution scopes for parameterized declarations. | ~2h |
-| `src/v3/compiler/src/infer.rs` | Replace old `DeclKind` dispatch with connective-pattern walks. Implement `SubstStack` per §8.4 (`Vec<Vec<TemplateArgument>>`). Lazy substitution at walk time. Handle `ArrowBody::Pending` as realization-pending (signature type-checks via inhabitance, body-checking skipped) per §Q7. Handle `ArrowBody::ExternalRealization(decl_id)` by walking the realization declaration and verifying signature compatibility. Inference resolves `Int.add` by walking the inhabits chain through OrderedRing and substituting. | ~3h |
-| `src/v3/compiler/tests/m0_acceptance.rs` | Update test helpers to build connective nodes. Semantics unchanged; all 40 M0 tests should pass against the new shape. | ~1h |
-| `dsl/std/core.dag` | DELETE per-primitive function declarations (`fn std::int::add` etc.). They become inhabitance-derived via OrderedRing. | ~5m |
-| `dsl/std/logic.dag` | VERIFY or CREATE. Parse Bit = Disj{On, Off} and True/False Atoms per §8.6. Stub file if v2 doesn't have one. | ~15m |
-| `dsl/std/bit.dag` | VERIFY Word8/16/32/64 declarations work against the new parser. | ~15m |
-| `dsl/std/algebra.dag` | VERIFY it parses into the new substrate. No file content changes — the file's shape is already right; just bring it into the bootstrap path. | ~15m |
-| `dsl/std/types.dag` | VERIFY Int = OrderedRing<Word64>, Bool = Classical, String = FreeMonoid<Char> all parse as Instantiation declarations. | ~15m |
-| `src/v3/compiler/src/bootstrap.rs` | NEW or UPDATE. Parse logic.dag → bit.dag → algebra.dag → types.dag in order at `Dag::new()` time (§8.6). | ~1h |
-| `src/v3/compiler/tests/m1_substrate_test.rs` | NEW. Three test cases: `parse_std_algebra_and_walk_int_add`, `parse_synthetic_service_all_layers`, and `smoke_int_add_external_realization` (§6.5). | ~2h |
-| `src/v3/spec/rust.dag` | NEW stub. One-file declaration containing the `realization` meta-type declaration and one concrete `realization Int64_add { for: Int64.add; target: rust; body: "i64::wrapping_add" }` entry. Parsed during bootstrap as part of §8.6's file order. | ~30m |
-
-**Total estimate: 14–16 hours.** Scope expanded from original
-10–12h estimate after the review pass identified additional
-parser work (operator dispatch, Arrow-in-type-position, sum types
-with payloads) and bootstrap reordering. Still a single focused
-PR — the work is tightly coupled and splitting it would leave the
-tree in an incoherent state between PRs.
-
-### Acceptance gates (CI must show all green)
-
-1. **`cargo test -p v3-compiler`** — all 40 M0 tests pass unchanged.
-2. **`parse_std_algebra_and_walk_int_add`** — parse `std/algebra.dag`,
-   declare `Int = OrderedRing<Word64>`, walk `Int.add`, assert the
-   result is `Arrow { inputs: [Word64, Word64], output: Word64,
-   body: Pending }`.
-3. **`parse_synthetic_service_all_layers`** — parse the synthetic
-   nested-domain model from §6, assert the Declaration tree
-   structure matches. Static substrate shape test — see §6 "Scope
-   of the synthetic oracle" for what this does and doesn't validate.
-4. **`smoke_int_add_external_realization`** (§6.5) — parse the
-   one-entry `src/v3/spec/rust.dag` stub, assert that
-   `Int64.add`'s Arrow body resolves to
-   `ExternalRealization(_)` (not `Pending`), walk the referenced
-   declaration, and confirm inference accepts the Arrow as
-   ready-for-emission. The only end-to-end validation in
-   M1(2.5); closes the realization-entanglement risk.
-5. **`cargo clippy -p v3-compiler --all-targets -- -D warnings`** —
-   clean.
-6. **Substrate audit:** grep `TypeConnective::` variants in the M1
-   code; confirm only the six variants from §3 exist. No
-   `DeclKind::Service`, `DeclKind::Operation`, etc. variants were
-   added. Extension stop signal holds.
-
-### Explicit non-goals for M1(2.5)
-
-- **Cost lens.** Deferred to M1(3). The substrate is ready for it
-  after M1(2.5) lands; the lens is a separate PR.
-- **Single Rust emitter.** Deferred to M1(4).
-- **Unification (five behaviors → patterns over type substrate).**
-  Deferred per convergence note. Revisit after M1(2.5) ships.
-- **Three-primitive reduction (Atom/Conj/Disj only).** Deferred per
-  convergence note.
-- **`dsl/std/meta.dag` first-class named patterns.** Deferred until a
-  second consumer appears.
-- **`exit` and `mock_response` in shell.dag.** Follow-up — adds Disj
-  complexity that's not needed to verify the substrate test.
-- **Law verification (associativity, commutativity, etc.).** Deferred
-  to the algebraic-simplification lens work.
-- **Omni-emission projection rules.** Deferred until emitter.
-- **Interpreter.** Deferred.
-- **Sum types beyond minimal Disj parsing.** M1(2.5) needs to parse
-  `type Result<T, E> = Ok(T) | Err(E)` but does not need to check
-  exhaustiveness against Branch cases at inference time (M0's current
-  exhaustiveness check still works against the new shape).
-
-## 8. Sub-decisions committed
-
-Small-but-real decisions that affect implementation mechanics.
-These were open questions in earlier drafts; post-review they are
-committed answers. If any is wrong, fix it here before code.
-
-### 8.1: Identifier resolution timing — **lowering-time**
-
-Resolve all `Atom(Identifier { resolved: None, .. })` to
-`Some(DeclarationId)` during `lower.rs`. Post-lowering, every
-Identifier Atom carries its target reference. Simpler; matches
-M0's single-pass approach. Forward references are handled by a
-two-pass lowering (first pass collects declaration names; second
-pass resolves identifiers against the name table).
-
-### 8.2: Parameter child enumeration — **filter by target connective**
-
-A walker enumerates parameters by filtering `Conj::children` to
-those whose target Declaration has connective
-`Atom(TypeParam(_))`. No metadata on the `Field` edge. The walk
-cost is negligible compared to inference, and not adding metadata
-keeps the substrate minimal.
-
-### 8.3: Shared parameter Atom identity — **one Atom per parameter, referenced multiply**
-
-In `type Monoid<T> { op: fn(T, T) -> T; identity: T }`, there are
-four structural references to `T`. They all resolve to **one**
-Atom Node — the `T` parameter declaration. References are via
-`DeclarationId`, not owned subtrees. This means the substrate is
-technically a **DAG of declarations**, not a tree — one Atom can
-be pointed at by many edges.
-
-**Why**: substitution touches one site. Diagnostic provenance
-points back to the same parameter declaration regardless of
-which reference triggered the error. Matches the "single source
-of truth" principle — T is one thing, referenced four times, not
-four independent T-looking atoms.
-
-**Implementation**: `Field::ty: DeclarationId` is a pointer, not
-an owned subtree. The Declaration table owns each declaration
-once; edges are pointers.
-
-### 8.4: `SubstStack` data structure — **Vec<Vec<TemplateArgument>>**
-
-Simple linear-scan stack. Typical stack depth is 1–3, typical
-arguments per frame is 1–2, so linear scan is ~6 comparisons max
-— cheaper than hashing. Revisit to HashMap-per-frame only if
-profiling shows it's hot.
-
-### 8.5: `Cardinality` parse syntax — **both forms**
-
-`List<T>` parses to `Cardinality { element: T, bound: Unbounded }`.
-`[T; 3]` (or similar fixed-size syntax) parses to `Cardinality {
-element: T, bound: Exact(3) }`. Surface syntax covers both.
-`argv: ["sh", "-lc", "{script}"]` in shell.dag produces a
-Cardinality literal with `Exact(3)` and inline String-Atom
-children.
-
-### 8.6: Bootstrap file order — **logic → bit → algebra → types → realization stub → user**
-
-`Dag::new()` parses in this order, synchronously, before any
-user source:
-
-1. **`dsl/std/logic.dag`** — Classical, Bit, True/False. If v2
-   doesn't have this file yet, declare Bit inline in the
-   compiler's bootstrap and parse a stub logic.dag containing
-   only the Bit declaration. (Small open question: does v2's
-   current logic.dag exist? If so, parse it. If not, create it.)
-2. **`dsl/std/bit.dag`** — Word8/Word16/Word32/Word64 as finite
-   Bit sequences. Built on top of Bit.
-3. **`dsl/std/algebra.dag`** — Magma through OrderedRing, Field,
-   Lattice, BoundedLattice, BooleanAlgebra, FreeMonoid,
-   PartialFunction. The algebra hierarchy parsed in one pass.
-4. **`dsl/std/integer.dag`** + **`dsl/std/types.dag`** —
-   Int64 = OrderedRing<Word64> lives in `integer.dag` (per
-   v2's actual layout: `module std.integer` declares `type Int64`).
-   `types.dag` declares Bool = Classical (Bit), String =
-   FreeMonoid<Char>, List<T> = FreeMonoid<T>, and re-exports
-   `Int = Int64` as the short alias. Inhabitance declarations.
-5. **`src/v3/spec/rust.dag`** (§6.5 realization via
-   ordinary declarations). Parses the `realization` meta-type
-   declaration plus one concrete realization entry for the
-   smoke test. The realization item lowers to an **ordinary
-   `Conj` declaration** with typed fields: `for: DeclarationId`,
-   `target: DeclarationId`, `body: String`, `cost: Int`. The
-   declaration's `meta_tag` edge points at the
-   `Realization` meta-type declaration, distinguishing realization
-   declarations from ordinary records via the typed-edge
-   discipline. **No compiler-native `Realization` struct in
-   `dag.rs`.** This step MUST come after types/integer.dag so
-   that the `Int64.add` reference resolves correctly.
-
-   **Post-M1(2.7) note:** earlier drafts of this spec mentioned
-   a `bootstrap::inject_realization_stub` fallback that would
-   inject the declaration chain directly in Rust if the parser
-   couldn't handle the realization record-literal shape. That
-   helper is **deleted in M1(2.7)** and the fallback path is
-   no longer sanctioned — the thesis's "spec IS the
-   implementation" claim and `INVARIANTS.md#p5-progress-is-dissolution`
-   forbid Rust-side declaration
-   manufacturing on production paths. The test-only realization
-   smoke in `bootstrap.rs`'s `#[cfg(test)] mod tests` is the
-   only remaining in-Rust realization construction and stays
-   test-scoped (never touches production bootstrap).
-
-   If the parser cannot yet handle the `realization`
-   record-literal shape at PR-B ship time, the correct response
-   is to extend the parser, NOT to reintroduce the stub.
-   See `M1_FOLLOWUPS.md` for parser-gap tracking.
-
-Post-bootstrap, additional std/ files (iteration, containers,
-graph, etc.) get parsed lazily when user code imports them.
-
-This order matches MODELING.md's root-to-leaves layering: roots
-(logic) → carriers (bit) → algebras → concrete types → smoke
-realization stub → user code.
-
-### 8.7: Sum-type parser syntax — **`type Name = A | B(payload)`**
-
-Matches v2. Unit variants (`Sunny`) and variants with payloads
-(`Rainy { mm_per_hour: Float }` or `Ok(T)`). Payloads are either
-named records (`{ label: type; ... }`) or positional tuples
-(`(T)`). Parser extension: new surface syntax for top-level
-disjunctions. `|` becomes a recognized top-level separator in
-`type` items.
-
-### 8.8: Arrow type expressions in type position — **`fn(T, T) -> T`**
-
-Parser extension. Current v3 parser has `fn name(args) -> ret =
-body` as an item-level function declaration. M1(2.5) adds
-`fn(T1, T2, ..., Tn) -> Tr` as a type-position expression usable
-inside field declarations and parameter lists. `type Monoid<T>
-{ op: fn(T, T) -> T; identity: T }` needs this.
-
-### 8.9: Operator dispatch path — **infix ops resolve via inhabitance**
-
-Currently v3 M0 parses `1 + 2` as `Call { target: "std::int::add" }`
-or similar — a hardcoded path to a primitive function declaration.
-M1(2.5) removes `std::int::add` as a standalone declaration
-(algebra.dag drives it via OrderedRing inhabitance). The parser
-needs to produce a structure that the lowerer can resolve through
-inhabitance:
-
-- Parser option A: emit `Conj { function: "+", args: [lhs, rhs] }`
-  with "+" as an identifier that resolves at inference time by
-  walking the inferred type's inhabits chain to find an `add`
-  field.
-- Parser option B: emit a symbolic `InfixOp(Add, lhs, rhs)`
-  variant and have the lowerer rewrite it to a function call
-  against `inferred_type.inhabits.add`.
-
-**Recommendation: option A**, as it unifies operator dispatch with
-ordinary function-call dispatch. The operator "+" is just an
-identifier; its resolution walks type inhabitance. The lowerer
-handles this uniformly with other Transform nodes. Adds ~2h of
-parser/lowerer work to M1(2.5) scope.
-
-### 8.10: Substrate-extension enforcement — **deferred to M1(3)**
-
-The "no seventh connective / no sixth behavior" stop signal is
-currently prose-enforced. A mechanical enforcement mechanism (a
-`SUBSTRATE_EXTENSION_AUDIT.md` file that any extension PR must
-append to, checked in CI) is valuable but orthogonal to M1(2.5)'s
-substrate rework. **Deferred to M1(3)** — implement alongside the
-cost lens as a CI check that audits the `TypeConnective` and
-`Behavior` enum variants against the audit file. ~1-2h of CI
-scaffolding work.
-
-### 8.11: Pending-elimination ratchet — **tracked separately, resolves by M3**
-
-Distinct from §8.10's substrate-extension audit. `ArrowBody::
-Pending` is a scaffolded state introduced in §Q7 for primitive
-Arrows whose realization declarations haven't landed yet. Pending
-is not intended as a forever-legal substrate variant — it must
-dissolve as M1(3) / M3 realization work proceeds.
-
-**The ratchet mechanism.** A CI check audits every reachable
-Arrow in the loaded declaration table and counts occurrences of
-`ArrowBody::Pending`. The count must **monotonically decrease**
-across commits after M1(2.5) ships: each M1(3)+ commit either
-preserves the count or reduces it, never increases it. The
-count is stored in a tracked ratchet file (analogous to v2's
-CX diagnostic ratchet) and a CI gate blocks PRs that regress
-the count.
-
-**Starting count at M1(2.5):** approximately one Pending per
-primitive Arrow field in `dsl/std/algebra.dag` (Magma.op,
-Semigroup.op, Monoid.op, Monoid.identity, Ring.add, Ring.zero,
-Ring.negate, Ring.mul, Ring.one, OrderedRing additional fields,
-etc.). Order-of-magnitude ~30-50 Pending arrows post-bootstrap.
-
-**Ending count:** zero. Every primitive Arrow must resolve to
-`ExternalRealization(DeclarationId)` pointing at a declaration
-in `dsl/extdeps/languages/<target>.dag`, or `UserDefined(NodeId)`
-for algebras whose operations are expressed as `.dag` sub-DAGs
-rather than target primitives.
-
-**Ratchet scope vs. §8.10 scope.** §8.10 enforces "no new
-substrate variants" (structural stability of the substrate
-itself). §8.11 enforces "Pending dissolves over time"
-(scaffolding cleanup). Different targets, different enforcement
-cadences, different files. Both deferred to M1(3) to implement;
-both documented here so the implementer knows what scaffolding
-commitments M1(2.5) creates.
-
-**Scoping note (updated post-M1(2.7)).** `INVARIANTS.md` §"No
-short-term solutions" sanctions `ArrowBody::Pending` **only
-under an active numeric CI ratchet that strictly decreases**
-(exception 2, lines 830-838). The earlier draft of this section
-said the ratchet file "does not have to exist at M1(2.5) ship
-time" — that language is rescinded. The invariant requires
-present enforcement, not future enforcement. A `Pending` that
-is not covered by an active ratchet is not a sanctioned scaffold
-— it is a bridge.
-
-**Action required before PR-B merge:** the ratchet file must
-exist, the CI gate must block any PR that regresses the
-Pending count, and the starting count must be captured from
-the current post-bootstrap state. Scoping this to PR-B (the
-same PR that introduces the dissolution mechanism via
-`rust.dag` realizations) is natural — PR-B both creates the
-mechanism that drives the count toward zero and locks in the
-ratchet enforcement.
-
-If PR-B cannot ship with the ratchet (e.g., because M1(2.5) →
-M1(2.7) already accumulated `Pending` without enforcement), the
-correct response is to ship the ratchet in its own prerequisite
-PR before PR-B starts, freezing the current count as the
-starting baseline. Either way the ratchet exists at or before
-PR-B merge, not after.
-
-## 9. What "done" looks like for M1(2.5)
-
-- The five files in §7 are updated; the two test files are new.
-- `cargo test -p v3-compiler` shows 40 M0 tests + 2 new substrate
-  tests = 42 green.
-- `cargo clippy` is clean.
-- `src/v3/compiler/src/dag.rs` contains no `DeclKind::{Type, Function}`
-  references. `TypeConnective` has exactly the six variants in §3.
-- `Int.add` resolves through inhabitance (no hardcoded signature).
-- Synthetic nested-domain model (§6) parses and type-checks.
-  Exercises the same substrate shapes as `shell.Exec.Run` without
-  requiring v2's extdeps/transports subtree to exist yet.
-- PR description cites this design note; reviewers can verify
-  against §3–§6 and the acceptance gates in §7.
-
-No emitter, no cost lens, no unification, no three-primitive
-reduction, no full shell.dag. Those come later.
-
-## 10. Reference
-
-- `THESIS.md` §"Epistemic stacking"
-- `THESIS.md` §"The substrate: two coordinated shapes"
-- `THESIS.md` §"Omni-emission" (for context on why the substrate test
-  matters beyond algebra.dag)
-- `MODELING.md` §"Composition layer" (four-layer architecture)
-- `src/v3/M0_RETROSPECTIVE.md` (what M0 validated, carried forward
-  unchanged)
-- `docs/design-lineage.md` §"Stage 3" (v2's Node-tree type substrate)
-- `feedback_compiler_is_dag_processor.md` (core-invariant memory)
diff --git a/src/v3/M1_FOLLOWUPS.md b/src/v3/M1_FOLLOWUPS.md
deleted file mode 100644
index d3166d5ff63..00000000000
--- a/src/v3/M1_FOLLOWUPS.md
+++ /dev/null
@@ -1,20 +0,0 @@
-# M1(2.5) Follow-ups — moved to ROADMAP
-
-This document's contents have been consolidated into
-[`ROADMAP.md`](../../ROADMAP.md) as the single source of truth for
-v3 status, active work, and deferred items.
-
-- **M1(2.6) work in progress** (parser extensions, real `dsl/std/*.dag`
-  bootstrap, SubstStack + §8.9 inhabitance walks, delete
-  `inject_primitive_operators`) → ROADMAP §"M1(2.6) — FACTS FLOW
-  FORWARD + SINGLE AUTHORITY"
-- **Deferred M1(3)+** (cost lens, ownership lens, emitter, §8.11
-  ratchet, `ArrowBody::Pending` removal) → ROADMAP §"M1(3)+ — deferred
-  work"
-- **M2+ deferred** (generics in user code, match/pipe/lambda, `data`
-  semantics, `where` refinement, `TypeShape` → `DeclarationId`) →
-  ROADMAP §"M2 — Feature parity with v2 subset"
-
-See also:
-- `src/v3/M1_DESIGN.md` — historical M1(2.5)–M1(3) design oracle
-- `src/v3/M0_RETROSPECTIVE.md` — M0 retrospective + M1(2.5) addendum
diff --git a/src/v3/SELF_HOSTING.md b/src/v3/SELF_HOSTING.md
deleted file mode 100644
index 078725b4a00..00000000000
--- a/src/v3/SELF_HOSTING.md
+++ /dev/null
@@ -1,1990 +0,0 @@
-# v3 Self-Hosting — Design Note
-
-> **Parent docs:** `THESIS.md`, `docs/substrate-reflection-design.md`
-> (§12.6 for the brief), `ROADMAP.md` (M3 milestone).
->
-> **Purpose:** specify how v3's compiler pipeline migrates from
-> Rust into `.dag`, how the stages interact with the reflection
-> framework and consumer migrations, and what "self-hosting"
-> means concretely for this project.
-
----
-
-## §1. What self-hosting means for v3
-
-**Self-hosting** means v3's entire compiler pipeline — parse,
-lower, infer, emit — is written in `.dag`, compiled by v3's
-own compile loop, and produces the same byte-for-byte output as
-the current Rust stage0. The Rust code at `src/v3/compiler/src/`
-becomes a **bootstrap seed**: kept for fresh-checkout
-bootstrapping and for the initial compilation of the `.dag`
-pipeline files, but no longer the authoritative compiler. The
-"real" compiler is the `.dag` one; Rust stage0 exists to get it
-off the ground.
-
-**Historical note.** The legacy self-hosted compiler tree (retired under T-V2-Retirement) established the same
-pattern v3 follows: `.dag` pipeline plus a small Rust bootstrap. v3 proceeds under PB-Runtime / Pure-Bootstrap-Zero.
-
-**v4 operational workflow authorities.** Load-bearing v4 models live at `src/v4/workflow/bootstrap.dag`, `src/v4/workflow/lens_ci_gate.dag`, and `src/v4/workflow/affected_set_selection.dag` (the prior `src/v4/workflow/ci.dag` mirror was descriptive-only with no runtime consumer and was deleted; `.github/workflows/ci.yml` is the direct CI-config authority — see INVARIANTS P2 "Task-scope drift" and THESIS facet 4); the governing program + rails (Pure Bootstrap / N=0, **C4**) are named in `docs/design-pure-bootstrap-zero.md` — top-down registry, not duplicated as upward pointers in the `.dag` headers (`docs/modeling-discipline.md`).
-
-**What changes with self-hosting:**
-
-- **The compiler becomes a substrate fact.** The pipeline stages
-  are ordinary Declarations in the Dag the compiler consumes.
-  A lens can analyze the compiler's own behavior the same way
-  it analyzes any other `.dag` program. `lens_complexity`
-  running on `parse.dag` reports the parser's cost. This is
-  the thesis's "substrate describes everything including
-  itself" claim made empirical.
-- **New target languages are declarations.** Once
-  `emit.dag` reads the realization spec and produces target
-  source, adding a new target (Python, Go, TypeScript, Swift)
-  is a new realization spec file, not a compiler rewrite. The
-  thesis's "one file edit per new feature" metric applies to
-  targets, not just to types.
-- **Ingestion languages become declarations too.** Once
-  `parse.dag` reads a grammar declaration and produces
-  `SurfaceItem` trees, ingesting Python (or C++, or any other
-  source language) is a new grammar spec file. The omni-ingestion
-  mechanism the user named earlier falls out of grammar-as-data.
-- **The bootstrap loop compresses.** Every round of compiler
-  development becomes "edit the `.dag` source, run the existing
-  compiled pipeline against the edits, verify the result matches
-  the previous pipeline." When the compiler compiles itself and
-  the output matches the pre-edit compiler, the edit is sound.
-
----
-
-## §2. Dependency order
-
-```
-L0 — Substrate stable                  [SHIPPED at M1(3)]
-      │
-L1 — Reflection framework              [COMPLETE — PR #466 merged 2026-04-16]
-      │    • All prereqs merged: #458, #460, #462, #463, #466
-      │    • substrate.dag reflects Dag/Behavior/Declaration types
-      │    • First lens (unused_parameters.dag) migrated with
-      │      independent parity proof + self-analysis to zero
-      │    • Optional-handle support (T? with Some/None) landed
-      │    • Module-mode emission + crate-linked roundtrip proven
-      │
-L1.5 — Clean bootstrap (IMMEDIATE post-L1) [the process is the first feature]
-      │    1. Pipeline composition declaration (§2.1)
-      │       — typed stage functions, ExternalRealization bodies
-      │       — small PR, no implementation, just the declaration
-      │    2. Per-stage fixed-point in regen (§11)
-      │       — regen captures per-stage output, diffs at boundaries
-      │       — uses the pipeline declaration from step 1
-      │       — the dark-emu fix, available from day one
-      │    3. Test authority types in std/verification.dag (§14)
-      │       — extend std/verification.dag with compiler-verifiable AssertKind variants
-      │       — first consumer: structural testgen from existing std/ types
-      │       — every type declared in std/ gets inhabitant + coercion tests
-      │
-      ├── L2 — v2 consumer migrations   [parallel with L2.5/L2.6/L2.7]
-      │    │    M1: dsl/lenses/complexity.dag  (5490 lines from v2)
-      │    │    M2: dsl/lenses/effects.dag     (66 lines)
-      │    │    M3: dsl/lenses/trace.dag       (223 lines)
-      │    │
-      ├── L2.5 — Per-stage domain modeling [parallel with L2]
-      │    │    Emit domain:  extdeps/languages/ completeness,
-      │    │                  std/formatting.dag
-      │    │    Lower domain: std/surface.dag (surface AST types)
-      │    │    Parse domain: std/token.dag, std/encoding.dag,
-      │    │                  extdeps/platform/filesystem.dag,
-      │    │                  grammar productions as data
-      │    │    Infer domain: std/inference.dag, std/scope.dag,
-      │    │                  std/substitution.dag
-      │    │                  (blocked on I3 write-surface experiment)
-      │    │
-      ├── L2.6 — Testgen + dry-run infrastructure (§14) [parallel with L2/L2.5]
-      │    │    1. Behavioral testgen: lens walks transforms, enumerates
-      │    │       structurally valid inputs, verifies output types (§14.2)
-      │    │    2. MockRealization: type-correct stubs for ExternalRealization
-      │    │       bodies, generated from the arrow signature (§14.3)
-      │    │    3. Dry-run mode: execute pipeline stages against mocks,
-      │    │       verify typed boundaries hold at runtime (§14.3)
-      │    │    4. Pattern realization in extdeps/languages/ — declares how
-      │    │       structural Disj patterns map to target container ops
-      │    │
-      └── L2.7 — Rendering from root facts (§14.7) [parallel with all L2]
-           │    Phase 1 (L1.5): declare ComputationModel in std/
-           │       declare TargetExecutionModel in realization specs
-           │       emitter gates ownership stage on target.memory
-           │       conservative default (all params Stays)
-           │       is_copy on leaf types, clone-count ratchet
-           │    Phase 2 (L2): ParameterCrossing analysis
-           │       body-walk derivation for .dag callables
-           │       declared for ExternalRealization
-           │       is_copy composition for compound types
-           │       last-crossing-use tracking, clone count → 1
-           │    Phase 3 (L2+): parallelism Rc/Arc refinement
-           │       complexity reads crossing facts
-           │    Phase 4 (L3): self-analysis, multi-target validation
-           │
-L3 — Pipeline stages in .dag           [blocked on L2.5 model for each stage]
-      │    Stage 1: emit.dag   — Dag → target source strings
-      │    Stage 2: lower.dag  — SurfaceItems → Declarations + Behaviors
-      │    Stage 3: infer.dag  — Dag → Dag with port state
-      │    Stage 4: parse.dag  — tokens → SurfaceItems
-      │
-      Schema migration (§10)            [after L3 Stage 1]
-      │    ChangeClassification → patch → bridge → fixed-point
-      │    Zero manual stage0 edits
-      │
-L4 — Full self-hosting (M3)            [long-term]
-           v3's compiler is .dag code
-           Rust stage0 is vestigial (bootstrap seed)
-```
-
-**Gating rules:**
-
-1. **L1.5 is the FIRST thing after L1.** Before lens migrations,
-   before domain modeling, before any pipeline stage work — land
-   the pipeline composition declaration and per-stage fixed-point
-   verification. The process is the first feature. Every
-   subsequent piece of work (lens migrations, stage ports, new
-   substrate features) goes through a bootstrap process that's
-   already structurally sound. This prevents the v2 pattern where
-   the bootstrap process was never instrumented and every
-   regression was hours of archaeology.
-2. **L2 cannot start until L1 ships.** Consumer migrations read
-   substrate facts through the reflection framework; no
-   reflection, no lens migrations.
-3. **L2.5 cannot start until L1 ships.** Domain modeling declares
-   types in `std/` and `extdeps/` using the same reflection
-   infrastructure. Does NOT need L2 lens migrations to be done
-   first — L2 and L2.5 are independent parallel work streams
-   (L2 writes lenses in `dsl/lenses/`, L2.5 declares types in
-   `std/` and `extdeps/`).
-   **Distinction from the decorative-modeling pattern.** ROADMAP
-   Track 17 warns that types with zero consumers are decorative.
-   L2.5 is NOT that pattern. Each L2.5 type has a **named
-   consumer**: the L3 stage implementation that reads it. The
-   four-step sequencing in §2.2 ties modeling to implementation
-   atomically — Step 1 (model review) exists BECAUSE Step 3
-   (implementation) will consume the types. If an L2.5 type has
-   no Stage N implementation that reads it, it doesn't belong in
-   L2.5; it's decorative. The test is: "which function body in
-   L3 reads this type?" If you can't name one, don't declare it.
-4. **L3 stage N cannot start until L2.5's model for stage N is
-   reviewed.** Implementation fills in function bodies over
-   already-declared types. The model IS the prerequisite (§2.2).
-   L2 should have at least M1 underway to prove the reflection
-   framework works on real analysis code before pipeline stages
-   start.
-5. **L2.5 stages proceed in L3's implementation order.** Emit
-   domain first (partially exists, smallest gap), lower domain
-   second, parse domain third, infer domain last (blocked on I3
-   write-surface experiment). Each domain model runs ahead of
-   its stage's implementation by at least one step.
-6. **L2.6 starts as soon as L1.5 lands.** Behavioral testgen
-   and mock generation consume the test authority types from
-   L1.5 and the lens infrastructure from L2. L2.6 is parallel
-   with L2/L2.5 — it doesn't block them, and they don't block
-   it (beyond the L1.5 dependency for the authority types).
-7. **L2.7 Phase 1 starts at L1.5.** Declare `ComputationModel`
-   in `std/` and `TargetExecutionModel` in realization specs.
-   Emitter gates ownership stage on target's memory model.
-   Every generated artifact after L1.5 benefits. Phase 2
-   (ParameterCrossing analysis) proceeds in parallel with L2
-   lens migrations. **The v2 lesson is non-negotiable:** if
-   correct rendering doesn't land before generated lenses
-   accumulate, every subsequent artifact compounds clone debt.
-8. **L3 stages proceed bottom-up.** Emit first (easiest, already
-   half-structured), then lower, then infer, then parse. Each
-   later stage's migration benefits from the earlier stages
-   being in `.dag` form (e.g., `lower.dag` can call `emit.dag`
-   for debug-dump purposes once both are in `.dag`).
-9. **L4 is the state after all L3 stages ship.** There is no
-   separate "make self-hosting work" milestone; it's the
-   emergent consequence of completing L3.
-
-**L2.5 within each stage — the four-step sequencing from §2.2:**
-
-| Step | What | When | Output |
-|---|---|---|---|
-| 1. Model review | Declare input/output types in `std/` and `extdeps/`. Apply invariants. Scrutinize structural decomposition. | L2.5 | `.dag` type files, reviewed |
-| 2. Pipeline slot | Add the stage's typed function signature to the pipeline composition. `ExternalRealization` body. | L2.5 → L3 boundary | Pipeline `.dag` updated |
-| 3. Implementation | Fill in the function body. Types are already declared; implementation is bounded by the model. | L3 | Stage `.dag` file |
-| 4. Parity test | The `.dag` version produces byte-identical output to the Rust version. Delete the Rust version. | L3 completion | Rust file deleted |
-
-### §2.1 The pipeline is a `.dag` composition with structural consumers
-
-v2 is already self-hosting via `.dag` composition. `compile.dag`
-calls stage functions through `let` bindings — it IS a dependency
-graph in the same sense any `.dag` program is. The gap is not
-that v2 "lacks a pipeline graph." The gap is:
-
-1. **`bootstrap.dag`'s stage metadata has no consumers.**
-   `CompilerStage`, `TransformContract`, `ChangeClassification`,
-   `BootstrapStrategy` — 195 lines of type vocabulary declared,
-   zero code reads any of it. The stage contracts are decorative.
-2. **No structural self-analysis.** No lens runs on the pipeline
-   itself. The compiler cannot analyze its own compilation steps
-   the way it analyzes user programs.
-3. **Stage boundaries are convention, not enforced.** Each stage's
-   output type is `Dag` — which is also its input type. Nothing
-   structurally distinguishes "Dag with all ports inferred" from
-   "Dag with ports still Uninferred." The convention holds because
-   the stages are called in the right order, not because the type
-   system prevents calling them in the wrong order.
-
-v3's pipeline keeps the `.dag` composition shape v2 already has
-and adds **structural consumers** that make the stage metadata
-load-bearing:
-
-```
-fn compile(source: String, file: String, spec: LanguageSpec) -> EmitResult {
-  let parsed   = parse(source, file)
-  let lowered  = lower(parsed.module)
-  let inferred = infer(lowered.dag)
-  emit(inferred.dag, spec)
-}
-```
-
-Ordinary `.dag` — four `let` bindings with explicit dependencies.
-The compiler sees this as a dependency graph. What's new is what
-READS that graph:
-
-1. **Stage contracts consumed by lenses.** A lens verifies "does
-   `infer` produce a Dag where all ports have Resolved state?"
-   This is a **lens-checked property**, not a type-level guarantee
-   — the output type is still `Dag`, not a hypothetical
-   `InferredDag` wrapper. The enforcement mechanism is the same
-   as for any other `.dag` invariant: a lens reads the output and
-   reports violations. If a future substrate version introduces a
-   wrapper type that makes unresolved ports unrepresentable at the
-   type level, that's a stronger guarantee — but the starting
-   point is lens enforcement, same as `lens_layer_opacity` and
-   `lens_unused_parameters`.
-2. **Per-stage fixed-point consumed by regen.** The pipeline's
-   typed stage boundaries give the fixed-point test structural
-   comparison points. Instead of a file-level diff, regen compares
-   pass1 and pass2 at each stage boundary — structural diffs, not
-   textual diffs.
-3. **Independent stages parallelize automatically.** Two
-   post-inference analyses with no data dependency run
-   concurrently by default. The thesis's "parallelism is not a
-   feature, it is the default" applied to the compiler.
-4. **The compiler is analyzable by its own lenses.**
-   `lens_complexity` on `parse` reports the parser's cost.
-   `lens_unused_parameters` on `infer` reports dead parameters.
-   Self-analysis extends from "a lens analyzes a lens" to "the
-   compiler analyzes itself."
-5. **Schema migration patches read the pipeline.** When a stage's
-   input/output type changes, the pipeline's typed composition
-   shows which downstream stages are affected.
-
-**Interaction with the L3 migration order.** Stages still
-implement bottom-up (emit → lower → infer → parse). During
-migration, each stage starts as `ArrowBody::ExternalRealization`
-(backed by the Rust implementation) and transitions to
-`ArrowBody::UserDefined` when the `.dag` body lands. The pipeline
-composition doesn't change during this transition — it calls each
-stage function regardless of whether the body is Rust-backed or
-`.dag`-backed. Same pattern as `Int.add` being
-`ExternalRealization` pointing at Rust `i64 + i64` today.
-
-**The pipeline declaration ships FIRST (model before implement).**
-Each stage implementation fills a slot in the declaration.
-`ExternalRealization` is the honest scaffold for "this stage
-exists but is still Rust." The pipeline is structurally valid at
-every intermediate state.
-
-### §2.2 Model every stage's domain to spec before implementation
-
-v2 achieved self-hosting incrementally — types grew fields as
-needed, coproducts grew variants as needed, contracts were added
-after the fact. The result: `complexity.dag` is 5490 lines of
-reconstruction heuristics compensating for facts that weren't
-modeled upstream. The pipeline works, but the modeling was
-done in parallel with implementation, and the implementation
-kept outrunning the model.
-
-v3 inverts this: **every pipeline stage models its inputs and
-outputs to spec BEFORE the stage body is implemented.** Stage
-implementation is filling in function bodies over already-declared
-types — the same model-before-implement discipline the thesis
-demands of user programs, applied to the compiler itself.
-
-Concretely, each stage's domain model is reviewed and scrutinized
-before any implementation starts:
-
-- **Parse domain.** What IS a source file? Model files, encodings
-  (ASCII/UTF-8), line endings, BOM handling as structural types in
-  `std/`. Model the platform's filesystem interface as an extdep.
-  Model the token types structurally — not a flat `TokenKind` enum
-  that grows arms, but dimensional types where the thesis's
-  structural decompression invariant applies (e.g., delimiters as
-  `{ shape: BracketShape, side: Side }`, keywords as data in a
-  table). Model the grammar productions as data, not as hand-coded
-  recursive-descent functions. Every input the parser touches is
-  declared, not assumed.
-
-- **Lower domain.** What ARE the surface forms? Model
-  `SurfaceItem`, `SurfaceExpr`, `SurfacePattern` as proper `.dag`
-  Disj declarations with the normal invariants applied — structural
-  decompression, no flat coproducts where dimensional records
-  belong, every variant grounded in the thesis's four dissolution
-  patterns. The surface AST becomes `std/surface.dag` — sibling to
-  `std/substrate.dag`, analyzed by the same lenses.
-
-- **Infer domain.** What ARE the inference rules? Model type
-  resolution, template substitution, operator dispatch as data
-  operations over the substrate. The cross-stage facts — input
-  port state, output port state, diagnostic types, type shapes —
-  are declared types in `std/`. The walker-local state —
-  substitution stacks, scope structures, intermediate unification
-  state — stays as implementation details inside `infer.dag`'s
-  function bodies, NOT in `std/` (see substrate-vs-implementation
-  split below).
-
-- **Emit domain.** What IS a target language? Model the language
-  spec structurally — not just "what types exist" but the full
-  emission surface: indentation conventions, line-length limits,
-  import ordering rules, formatting conventions, comment syntax.
-  Model the target's type system as data in `extdeps/languages/`.
-  The emitter reads ALL rendering decisions from declared data;
-  the emitter code itself is a generic walk that never contains
-  target-specific knowledge.
-
-- **Between stages.** Model the stage boundaries as typed
-  contracts. What's preserved across each boundary, what's
-  recomputed, what diagnostics flow forward. The contracts are the
-  pipeline's function signatures — first-class, not decorative.
-  A lens verifies each contract holds.
-
-**Substrate vs implementation — what goes in `std/` and what
-doesn't.** Not every type the compiler uses belongs in `std/`.
-The rule: **if a type crosses a stage boundary or is consumed by
-a lens, it goes in `std/`. If it's internal to one stage's walk,
-it's implementation.**
-
-| Category | Goes in `std/` | Stays in stage `.dag` body |
-|---|---|---|
-| Input/output types | `SurfaceModule`, `Dag`, `EmitResult` | — |
-| Diagnostic types | `Diagnostic`, `SourceSpan` | — |
-| Substrate types | `Declaration`, `Behavior`, `TypeConnective` | — |
-| Target language types | `LanguageSpec`, `Realization` (in `extdeps/`) | — |
-| Token types | `Token`, `TokenKind` | — |
-| Surface AST types | `SurfaceItem`, `SurfaceExpr` | — |
-| Walker-local state | — | `SubstStack`, `Scope`, `UnificationState` |
-| Intermediate inference state | — | Per-port resolution tracking |
-| Helper accumulators | — | `fold` locals, working sets |
-
-Walker-local state may graduate to `std/` IF a downstream consumer
-needs it — for example, if a lens needs to inspect substitution
-state mid-inference. But the default is implementation-local until
-a cross-boundary consumer surfaces. "Model to spec" means the
-BOUNDARIES are modeled, not the internals.
-
-**The v2 lesson this prevents.** v2's pipeline stages accreted
-types reactively: a stage needed a fact, so a field was added to
-the IR, and downstream stages adapted. The adaptation was often
-reconstruction — re-deriving the fact from incomplete data instead
-of receiving it as a typed edge from the stage that computed it.
-Modeling to spec upfront means the typed edges exist BEFORE any
-stage runs, so reconstruction has no reason to form. The
-`annotate_descent_evidence` pattern (33 heuristics in v2's
-complexity pass) is the canonical failure mode this prevents.
-
-**The principle:** the `.dag` compiler gets the `.dag` treatment
-at its boundaries. Every type that crosses a stage boundary or is
-consumed by a lens — files, tokens, surface trees, substrate
-declarations, target language constructs, platform capabilities —
-is modeled with the same rigor as any user-facing `.dag`
-declaration. Structural decompression applies. Layer opacity
-applies. Facts flow forward applies. No special exemption for
-"this is compiler-internal." The invariants are universal at
-boundaries; walker-local implementation details are free to use
-whatever internal representation the stage author finds most
-natural.
-
-**Practical sequencing.** For each stage (emit → lower → infer →
-parse), the work is:
-
-1. **Model review.** Declare the stage's input/output types in
-   `std/` and `extdeps/`. Apply the normal invariants. Review and
-   scrutinize the model — structural decompression, no smuggled
-   coproducts, no decorative fields. Draw on v2's pipeline files
-   as empirical reference for "what does this stage actually need."
-2. **Pipeline slot.** Add the stage's typed function signature to
-   the pipeline composition. `ExternalRealization` body.
-3. **Implementation.** Fill in the function body. The types are
-   already declared; the implementation is bounded by the model.
-4. **Parity test.** The `.dag` version produces byte-identical
-   output to the Rust version for every test fixture. Delete the
-   Rust version.
-
-Step 1 is where the hard thinking happens. Steps 2-4 are
-engineering bounded by Step 1's model.
-
-### §2.3 Language-agnostic compiler core (Shape A only)
-
-The compiler knows only substrate primitives: the six type
-connectives (Atom, Conj, Disj, Arrow, Cardinality, Instantiation)
-and the five L1 behaviors (Value, Transform, Branch, Loop, Bind).
-It does NOT know what language it is parsing or emitting. `.dag`
-is a grammar spec the parser engine reads. Rust is a language spec
-the emission engine reads. Both are data. The compiler is the
-engine, not the specs.
-
-**Scope: Shape A targets only.** The thesis (§"Omni-emission")
-makes a load-bearing distinction between Shape A (compiler-owned
-programming-language emission: Rust, Python, Go, TypeScript) and
-Shape B (user-program artifact generation: YAML, Terraform, SQL,
-English docs, SPICE netlists). Treating Shape B artifacts as
-compiler render targets is explicitly called a category error in
-the thesis. This section's `compile(...)` parametrization ranges
-over **Shape A targets only**. Shape B artifacts are outputs of
-`.dag` user programs that walk typed values and produce strings —
-the compiler emits the `.dag` PROGRAM (Shape A), and the program's
-OUTPUT is the Shape B artifact. English, YAML, and SPICE are
-never `EmissionTarget` values.
-
-**The pipeline, with elaboration separated from parsing.**
-MODELING.md's four-layer stack separates surface sugar from the
-composition layer from the semantic kernel. `GrammarSpec` owns
-syntax (tokens → surface tree). A separate `ElaborationSpec` maps
-source-language surface forms to substrate declarations — the
-lowering semantics. Collapsing both into `GrammarSpec` would
-leave elaboration as implicit compiler behavior rather than
-declared authority.
-
-```
-fn compile(
-  source: String,
-  grammar: GrammarSpec,            // syntax: tokens → surface tree
-  elaboration: ElaborationSpec,    // semantics: surface → substrate
-  target: EmissionTarget,          // Shape A language + rendering
-) -> EmitResult {
-  let parsed   = parse(source, grammar)
-  let lowered  = lower(parsed, elaboration)
-  let inferred = infer(lowered.dag)
-  emit(inferred.dag, target)
-}
-```
-
-Four parameters. `grammar` owns what surface forms exist.
-`elaboration` owns how those forms become substrate declarations.
-`target` owns how substrate projects onto a programming language.
-The compiler core reads all three as data; it contains zero
-language-specific knowledge.
-
-**Compositional opacity at the I/O boundary.** The thesis says
-"HTTP does not know or care what transport it is running over."
-This constraint says: the compiler does not know or care what
-language it is parsing or emitting. Below-boundary details
-(syntax, keywords, operators, formatting, memory model, import
-system) are unnameable to the compiler core. The compiler reads
-structural edges from the specs; it never asks "am I compiling
-Rust right now?"
-
-The rename test from THESIS.md §"Compositional layering" extends:
-rename every `.dag` keyword in the grammar spec, rebuild, verify
-the compiler still works. If it does, the compiler is language-
-agnostic. If it doesn't, there's a hardcoded language assumption
-in the core.
-
-#### §2.3.1 Emission/ingestion cost model
-
-Any Shape A programming language that can represent the
-substrate's primitives can be a compiler target. The question
-isn't "can we emit to X?" — it's "at what cost?"
-
-For each substrate primitive (Conj, Disj, Arrow, etc.) and each
-L1 behavior, the `LanguageSpec` declares: how the target
-represents it, and what the representation costs in space and
-time.
-
-The cost is structural and measurable. A well-matched target
-(Rust) has expansion factor k ≈ 1 per nesting level — nested
-structs are just nested structs, depth doesn't matter, total cost
-is O(|substrate|). A poorly-matched Shape A target might have
-k > 1, growing with nesting depth. The cost of emission increases
-exponentially with structural depth for targets whose native
-constructs don't match the substrate's compositional primitives.
-
-This IS CX applied to emission itself. The `LanguageSpec` carries
-a cost model alongside its representation declarations. The
-compiler computes emission cost statically from the spec.
-
-**Shape B cost model is analogous but separate.** A Shape B
-`.dag` program (e.g., one that walks substrate declarations and
-produces English documentation) has its own cost model: the
-expansion factor per nesting level in the output format. English
-has k >> 1 (subordinate clauses for each nesting level). YAML has
-k ≈ 1 (indentation scales linearly). But these costs live in the
-Shape B user program's own type spec, not in the compiler's
-`LanguageSpec` — because the compiler doesn't own Shape B
-emission.
-
-**Ingestion has an additional dimension: information deficit.**
-For emission, the compiler has full substrate and projects it —
-the cost is expansion. For ingestion, the compiler has external
-source and lifts it in — the cost is expansion PLUS deficit: how
-much structural information does the source NOT carry that the
-substrate needs?
-
-- `.dag` ingestion: zero deficit. All structure explicit.
-- Python ingestion: high deficit. Types, ownership, effects,
-  complexity bounds are implicit or absent.
-- REST API spec ingestion: medium deficit. Types present (JSON
-  Schema), effects partially present (HTTP methods imply
-  idempotency), but complexity bounds absent.
-
-The deficit is a measurable property of the `GrammarSpec` +
-`ElaborationSpec` pair. Ingestion cost = parsing cost (from
-grammar) + reconstruction cost (from elaboration, proportional
-to the deficit).
-
-#### §2.3.2 Emission layering: spec vs rendering conventions
-
-The emission pipeline has compositional layers with opacity
-between them:
-
-```
-Layer 3: RenderingSpec (format, naming, idioms)  — declared conventions
-          │ composes on
-Layer 2: RepresentationMapping                   — substrate ↔ target
-          │ reads
-Layer 1: LanguageSpec (facts from spec doc)      — hard constraints
-          │ applied to
-Layer 0: Substrate (Bit, Conj, Disj, ...)        — what the compiler knows
-```
-
-**Layer 1: Language specification (facts).** What IS valid Rust?
-Comes from the actual language's specification document. Modeled
-in `extdeps/languages/rust/spec.dag`. Hard constraint — violating
-Layer 1 produces invalid target code.
-
-**Layer 2: Representation mapping.** How do substrate primitives
-map to Layer 1's constructs? Conj → `struct`, Disj → `enum`,
-Arrow → `fn`. The bridge between substrate and target.
-
-**Layer 3: Rendering conventions.** Declared rendering rules
-ON TOP of the spec, strictly limited to **lexical/visual
-concerns**: `rustfmt`-compatible formatting, `snake_case` naming,
-line-length limits, import ordering, comment style, indentation
-width. These are **declared structural facts** with the same
-authority as any other `.dag` declaration — not "preferences" or
-"annotations." When present, they are hard constraints on the
-emitter's output formatting. "Optional" means the emitter CAN
-run without them (producing valid-but-unstyled output), NOT that
-they are soft suggestions. Different projects compose different
-rendering specs on the same language spec.
-
-**RenderingSpec MUST NOT change observable semantics.** Choices
-like `Result<T,E>` vs `panic!` or error-handling strategy are
-SEMANTIC — they change the emitted program's behavior. Those
-belong in `LanguageSpec` (Layer 1), not `RenderingSpec` (Layer 3).
-The test: if two `RenderingSpec` values produce programs with
-different runtime behavior, one of them contains a semantic choice
-that should be in `LanguageSpec`. RenderingSpec is purely visual;
-two rendering specs on the same language spec produce programs
-that behave identically and differ only in formatting/naming.
-**Opacity between layers is load-bearing.** Layer 1 doesn't know
-about Layer 3. Layer 3 doesn't know about Layer 0. When you
-change a rendering convention, Layers 0-2 are untouched. When you
-change a substrate type, Layer 3 is untouched.
-
-```dag
-// Layer 1 — facts from the target language's specification
-type LanguageSpec {
-  constructs: Map<ConnectiveKind, TargetConstruct>
-  syntax: SyntaxRules
-  type_system: TypeSystemSpec
-  module_system: ModuleSpec
-}
-
-// Layer 3 — declared rendering conventions (visual only)
-type RenderingSpec {
-  naming: NamingConventions      // snake_case, camelCase, etc.
-  formatting: FormatRules        // line length, indentation, etc.
-  lint: List<LintRule>           // visual lint only (not semantic)
-}
-// Note: "idioms" (Result vs panic, error-handling patterns) are
-// SEMANTIC and belong in LanguageSpec, not here.
-
-// The composition — the emitter reads this
-type EmissionTarget {
-  language: LanguageSpec       // what's valid (required)
-  rendering: RenderingSpec?    // how to format (optional)
-}
-```
-
-When `rendering` is None: valid-but-unstyled output. When present:
-fully-styled output per the declared conventions.
-
-The same layering applies to ingestion: Layer 1 is the source
-grammar (facts), Layer 3 is declared parsing conventions (error
-recovery strategy, diagnostic phrasing). Ambiguity resolution is
-SEMANTIC — it changes which parse tree the parser produces — so
-it belongs in `GrammarSpec` (Layer 1) or `ElaborationSpec`, not
-in the conventions layer. Opacity holds: the diagnostic phrasing
-doesn't know about the grammar rules.
-
-#### §2.3.3 Design challenges
-
-1. **GrammarSpec expressiveness.** What grammar formalism? Pure
-   CFG can't handle operator precedence or layout sensitivity. PEG
-   has ordering sensitivity. EBNF + precedence declarations covers
-   most practical languages. The formalism choice IS the L2.5
-   parse domain decision.
-2. **ElaborationSpec design.** How are source-language surface
-   forms mapped to substrate declarations? This is the semantic
-   bridge between "what the grammar produces" and "what the
-   substrate carries." For `.dag` the mapping is mostly 1:1
-   (surface items lower to declarations directly). For other
-   languages the mapping is richer (Python class → Conj with
-   method Arrows, C++ template → Instantiation). The elaboration
-   spec must be expressive enough for arbitrary source languages
-   without growing the compiler core.
-3. **LanguageSpec completeness.** The spec must cover the full
-   emission surface: type decoration, import systems, module
-   organization, async models, memory management, concurrency,
-   build system integration. If the emitter ever needs per-target
-   code, the spec is incomplete.
-4. **The bootstrap seed.** The compiler reads grammar specs to
-   parse. Grammar specs are `.dag` files. To parse a grammar spec,
-   the compiler needs a parser that reads a grammar spec.
-   Chicken-and-egg. The seed parser parses at least the
-   grammar-spec format without reading a spec — that's the
-   irreducible kernel. How small can the seed parser be?
-5. **Per-language spec authoring cost.** Writing a `LanguageSpec`
-   + `ElaborationSpec` + `RenderingSpec` for a complex language
-   (Rust, C++, Python) is weeks of work. One-time cost per
-   language, not per project — but worth naming honestly. The
-   thesis promise is "adding a new target costs one spec file."
-   True; writing that spec set is the investment.
-
-### §2.4 Mutual recursion lowering — prereq for complexity and general execution
-
-The thesis's lowering table (`INVARIANTS.md#p4-decidability`, recursive syntax as bounded lowering) commits to handling EVERY call pattern, including n-way
-mutual recursion. The lowering for mutual recursion is:
-
-> Mutual recursion (SCC) on children → `descend` over SCC-ordered
-> nodes, bounded by |SCC|.
-
-v3's `lower.rs` already detects mutual recursion at lowering time
-(`compute_mutually_recursive` walks the call graph and returns a
-`HashSet<String>` of cycle members). **But it currently REJECTS
-mutual recursion** — the diagnostic says "mutual recursion is not
-yet supported in v3."
-
-The missing piece is the LOWERING step: transform the cycle into
-bounded Loop nodes with descend semantics.
-
-1. Lowering detects the cycle via `compute_mutually_recursive`
-   (already done)
-2. Lowering preserves the **real call topology** of the SCC —
-   each function's actual call targets remain as structural
-   edges in the lowered form. The SCC is wrapped in a bounded
-   descend whose bound is the structural descent evidence
-   (children get strictly smaller at each level), but the body
-   of the descend preserves which functions call which. No
-   ring-walk encoding that drops real edges.
-3. The bounded Loop node carries: SCC membership (which
-   declarations participate), the shared descent measure, and
-   the original call graph edges within the SCC. Later consumers
-   (complexity, equivalence, lenses that care about branch shape)
-   can read the real topology, not a lossy encoding.
-
-**The exact substrate fact that must survive lowering:** for each
-function in the SCC, the `Transform.target` edges in its body
-point at the REAL callee declarations, not at a synthetic
-"next in ring" target. The SCC boundary is a Loop whose bound is
-the shared descent measure; the Loop body is the SCC members'
-bodies composed with their real call edges intact. This
-preserves execution semantics AND the facts downstream consumers
-need.
-
-Once lowering does this, the substrate carries the SCC structure
-as bounded Loop nodes with real call topology. Complexity reads
-`Loop.bound` and applies the standard cost rule:
-`bound × cost(body)`. No SCC analysis in complexity. No Tarjan's
-in complexity. The cycle detection is in LOWERING (where it
-belongs), and the general SCC algorithm is a library function in
-`std/graph.dag` (reusable by anything that needs cycle detection).
-
-**Prereq for:**
-- The complexity port (complexity reads SCC cost from the
-  substrate; if lowering doesn't produce the bounded descend,
-  complexity has to reconstruct the SCC itself — which is the
-  v2 pattern we're dissolving)
-- General language completeness — any `.dag` program with mutual
-  recursion should compile, not fail at lowering
-- Self-hosting — mutually-recursive HELPER FUNCTIONS within a
-  pipeline stage (e.g., a parser's recursive-descent helpers)
-  should compile and run. Note: pipeline stages calling each
-  other across stage boundaries is a COMPOSITION concern, not
-  mutual recursion — that's handled by the pipeline declaration
-  in §2.1, not by the recursion lowering here.
-
-**Scope:** n-way mutual recursion (not just 2-way). The thesis's
-lowering table says "mutual recursion (SCC) on children" without
-a bound on the SCC size. A 3-function cycle, a 10-function cycle,
-and a 2-function cycle all lower to the same bounded-descend
-shape.
-
-**Testing:** every SCC size from 2 to at least 5 should have a
-test fixture. Positive fixtures:
-- Compiles without diagnostics
-- Produces a bounded Loop with the correct bound
-- The bound is provably structural (|SCC| × |children|)
-- The lowered form preserves real call-graph edges (not a ring)
-- A complexity lens walking the result reads the cost without
-  reconstruction
-
-Negative fixtures (fail-closed):
-- An SCC where no shared descent measure exists (all arguments
-  preserved or grow) should fail with a diagnostic naming the
-  cycle and the missing measure — not compile silently with an
-  unbounded loop
----
-
-## §3. Stage 1 — `emit.dag`
-
-**Current:** `src/v3/compiler/src/emit_rust.rs` (~340 lines
-today; will grow as FieldBinding lookup lands in the reflection
-PR).
-
-**What it does:** walks a compiled `Dag`, looks up realization
-entries in `rust.dag`, and produces Rust source code as a
-string. Pure walk + template substitution + realization lookup.
-No inference, no mutation, no cross-module resolution.
-
-**Why emit first:** it's the easiest stage to port because it's
-already structured as a walk over the substrate. Most of its
-"logic" is table-driven (the `rust.dag` realization index), and
-the table is already in `.dag` form. The `.dag` version of
-`emit_rust` reads the same realization entries, walks the same
-Dag, and concatenates the same template output — just expressed
-in `.dag` instead of Rust.
-
-**Blocker dependencies:**
-
-- L1 (reflection) — needs substrate types in `.dag` to walk
-- `std/string.dag` — string concatenation, formatting,
-  placeholder substitution (the `%N/%T/%V/...` template language)
-- L2 M3 (effects) is recommended but not strictly required —
-  having the effects lens running validates the lens
-  infrastructure independently before pipeline stages start
-
-**Expected port size:** ~300-500 lines of `.dag` (roughly
-comparable to the Rust version, possibly slightly longer due
-to `.dag`'s more verbose function definitions). The algorithm
-is the same.
-
-**Substrate extensions surfaced by the port:**
-
-- **`std/string.dag`** — doesn't exist at M1(3) scope. Adding
-  it means declaring `String` as more than an opaque primitive:
-  concat, length, replace, substring, split, format. Likely a
-  `Monoid<String>` inhabitance plus per-operation declarations.
-  This is its own follow-up, but it's cheap if done right.
-- **Template substitution as a data operation.** The existing
-  emit_rust has `render_template` in Rust that walks `%N/%T/%V`
-  placeholders and substitutes. The `.dag` version needs this
-  as a `.dag` function. Options: (a) inline the substitution
-  logic in `emit.dag`, (b) model templates as a substrate
-  concept with typed placeholder slots and let the renderer be
-  generic. (b) is more thesis-aligned but bigger.
-
-**Acceptance criteria:**
-
-- [ ] `src/v3/spec/emit.dag` (bootstrap staging location) exists
-- [ ] Compiles under the grammar + library available after L1 ships
-- [ ] For every v3 test that currently invokes `emit_rust.rs`,
-      the `.dag` version produces byte-identical Rust output
-- [ ] The Rust `emit_rust.rs` is deleted once parity holds
-
-**Open questions:**
-
-- How does `.dag`'s IO boundary work? `emit.dag` needs to
-  produce a `String` and return it. The caller (test, CLI)
-  receives the string. That's a normal function return value;
-  no new machinery needed. But **writing** to a file is an
-  effect, and effect modeling in v3 is unresolved. Solution:
-  `emit.dag` returns the string, the caller writes it. Effects
-  stay at the boundary.
-- How does the `.dag` version bootstrap? Rust stage0 compiles
-  `emit.dag` to a Rust function, and the Rust test suite calls
-  that function. That's the standard "compile .dag to Rust and
-  run" pattern. No meta-circularity at this stage.
-
----
-
-## §4. Stage 2 — `lower.dag`
-
-**Current:** `src/v3/compiler/src/lower.rs` (~2000 lines).
-
-**What it does:** takes parsed `SurfaceItem` / `SurfaceExpr`
-trees from `parse.rs` and produces `Declaration`s (type
-declarations, function declarations, data declarations) plus
-sub-DAG `Behavior`s (function bodies, nested expressions).
-Walks the surface tree, allocates DeclarationIds, resolves
-name references, runs the `resolve_pending_identifiers` sweep
-for cross-file forward references.
-
-**Why second:** lower is the second cleanest stage after emit
-because it's a walk + construction. The algorithm is "for each
-SurfaceItem, build the corresponding Declaration(s) and
-Behavior(s)." Pattern matching on SurfaceItem variants is
-available post-L1. The tricky parts (forward reference
-resolution, scope management) have well-defined shapes.
-
-**Blocker dependencies:**
-
-- L1 (reflection)
-- Stage 1 (`emit.dag`) — not strictly a blocker but recommended,
-  because a `.dag` lower that wants to debug-dump an intermediate
-  Dag benefits from a `.dag` emitter
-- `SurfaceItem` and `SurfaceExpr` must be declared in the
-  substrate. Today they're Rust enums in `parse.rs`. For
-  `lower.dag` to pattern-match on them, they need to become
-  `.dag` Disj declarations. This is a prerequisite substrate
-  addition (probably `src/v3/std/surface.dag` declaring the
-  surface AST).
-
-**Expected port size:** ~1500-2500 lines of `.dag`. Comparable
-to the Rust version. The algorithm is a walk + construction,
-so size tracks the number of surface-form variants.
-
-**Substrate extensions surfaced by the port:**
-
-- **Surface AST as substrate declarations.** `SurfaceItem`,
-  `SurfaceExpr`, `SurfacePattern`, `SurfaceType`, etc. become
-  Disj declarations in `std/surface.dag`. This parallels
-  what reflection does for `Dag`/`Behavior` — it declares the
-  parser's output in the substrate so downstream stages can
-  pattern-match on it.
-- **Symbol table / scope machinery.** Today `lower.rs` uses a
-  `HashMap<String, DeclarationId>` for per-scope symbol lookup.
-  The `.dag` version needs either a substrate construct for
-  scopes (e.g., `type Scope { parent: Scope?, bindings: Map
-  <String, DeclarationId> }`) or a functional approach (pass
-  the scope as a value through recursive calls).
-- **Cross-file forward reference resolution.** The
-  `resolve_pending_identifiers` sweep walks unresolved stubs and
-  fills them in. In `.dag` form, this is a traversal function
-  that takes a Dag-with-stubs and returns a Dag-without-stubs.
-  Straightforward but needs the substrate to expose the stub
-  state as a field.
-
-**Acceptance criteria:**
-
-- [ ] `src/v3/spec/lower.dag` exists, depends on `surface.dag`
-- [ ] Compiles under the grammar + library after L1
-- [ ] For every input the Rust lower handles, the `.dag` version
-      produces byte-identical output (same declarations, same
-      NodeIds, same DeclarationIds — modulo deterministic
-      allocation order)
-- [ ] The Rust `lower.rs` is deleted once parity holds
-
-**Open questions:**
-
-- **Allocation order determinism.** Rust `lower.rs` allocates
-  DeclarationIds as it walks. The `.dag` version needs the same
-  allocation order for byte-identical output. Either (a) the
-  `.dag` version is written to allocate in the same order, or
-  (b) the allocation order is a substrate fact (each declaration
-  has a canonical-order field), or (c) byte-identity is relaxed
-  to "semantically equivalent" which is harder to test.
-
----
-
-## §5. Stage 3 — `infer.dag`
-
-**Current:** `src/v3/compiler/src/infer.rs` (~1100 lines).
-
-**What it does:** walks a Dag whose ports have
-`PortState::Uninferred` state, runs type inference via the
-substitution stack, populates each port with
-`PortState::Resolved(TypeShape)` or `PortState::Unresolved`.
-Handles template instantiation, inhabitance walks, operator
-dispatch, etc.
-
-**Why third:** infer is the trickiest stage because it's
-mutation-shaped in Rust. The Rust version walks the Dag and
-updates port state in place. A `.dag` version has to express
-this functionally: `fn infer(d: Dag) -> Dag` that returns a new
-Dag with the inferred state.
-
-**This is a research problem, not an engineering problem.** Every
-other pipeline stage migration (emit, lower, parse) is engineering
-with known patterns. Inference-as-data — "type inference rules
-expressed as `.dag` data read by a generic walker" — has no
-production precedent. Theorem provers (Coq/Lean/Agda) get partway
-there with tactic languages but all have hand-coded cores. v3's
-bounded substrate (six connectives, five behaviors, decidable
-iteration) gives more leverage than a general HM setting, but the
-approach is still unproven. Budget this stage as open-ended R&D,
-not scoped work, and front-load the experiment sequence
-(`docs/inference-as-data-experiments.md`) to surface blockers
-before committing to the full port.
-
-**I0 result (2026-04-15):** the decidability paper exercise
-passed. Two representative inference rules (literal type filling,
-bounded Disj walk) are decidability-compatible under `.dag`'s
-bounded-iteration invariant. No blocker found. This narrows the
-open risk from "is this even possible?" to "which write-surface
-option?" See `docs/inference-as-data-i0-result.md` for the full
-check. The next experiments (I1-I8) run sequentially after
-reflection lands.
-
-**Blocker dependencies:**
-
-- L1 (reflection)
-- Stages 1 and 2 (`emit.dag`, `lower.dag`) — highly recommended,
-  because `infer.dag` needs to be debuggable end-to-end
-- **Substrate decision: how is inferred state represented?**
-  Option A: ports carry mutable state fields that the `.dag`
-  infer function sets. Option B: the inferred state lives in a
-  separate "inference result" Dag that the caller merges with
-  the input Dag. Option C: infer returns a Dag-diff (a list of
-  (PortId, TypeShape) tuples) that the caller applies. **This
-  is the deepest substrate question for L3** and blocks
-  `infer.dag` until it's answered. I0's pass confirms the rules
-  themselves are decidable; what remains is the Dag → Dag write
-  surface.
-
-**Expected port size:** ~1000-1500 lines of `.dag`. The
-algorithm is the same as Rust's, but the functional expression
-may be slightly longer due to avoiding mutation.
-
-**Substrate extensions surfaced by the port:**
-
-- **Inferred state representation** — the core open question.
-- **Substitution stack as a substrate type.** Today `SubstStack`
-  is a Rust data structure threaded through inference calls.
-  The `.dag` version needs it as a declared type, probably a
-  `List<TemplateArgument>` or similar.
-- **Port-state Disj.** `PortState` is currently a Rust enum with
-  three variants. Declaring it as a `.dag` Disj and letting
-  `.dag` code pattern-match on the states is a L1 prerequisite
-  (it's a substrate type that reflection wants anyway).
-
-**Acceptance criteria:**
-
-- [ ] `src/v3/spec/infer.dag` exists
-- [ ] Compiles under the grammar + library after L1
-- [ ] For every input the Rust infer handles, the `.dag` version
-      produces byte-identical port state output
-- [ ] The Rust `infer.rs` is deleted once parity holds
-
-**Open questions:**
-
-- **Mutation vs return-new-Dag.** Substantive design decision.
-  Suggestion: go functional. Infer takes a Dag, walks it,
-  returns a Dag with the additional facts populated.
-  Implementation detail: the "return a new Dag" is a copy at the
-  top level but most substrate data (declarations, behaviors)
-  stays shared via structural sharing. Only the port state
-  changes, and port state is a per-port field, so the copy cost
-  is bounded by the port count.
-- **Fixpoint iteration.** Inference sometimes requires multiple
-  passes (e.g., cross-referencing forward declarations). The
-  functional form of fixpoint is `iterate(initial, step_fn)
-  until step_fn(x) == x`. This needs the `==` equality check
-  on Dag values, which needs the substrate to support structural
-  equality. Probably a `std/eq.dag` prerequisite.
-
----
-
-## §6. Stage 4 — v3 parser (`runtime_mirrors.dag` + staging)
-
-**Current (SG-2 parser staging — not SG-2b):** `src/v3/compiler/runtime_mirrors.dag` declares the
-`Surface*` carrier schema (substrate mirror authority, shared with `parse_surface_generated.rs`);
-`src/v3/compiler/parse_parser_body.txt` holds the recursive-descent **algorithm** as checked-in
-**temporary semantic** authority; `regen_parse` splices it into producer-owned
-`src/v3/compiler/src/parse_generated.rs`. **PR posture:** ship this as **parser staging** (option 1 in
-the #589 wrap-up): name the scaffold, keep the dissolution trigger on `parse_parser_body.txt`, and
-treat SG-2b — **.dag**-owned parse **logic** — as a **follow-on** lane; do not claim SG-2b closure here.
-
-**What the shipped parser does:** after tokenization, produces `SurfaceItem` /
-`SurfaceExpr` trees via the generated module (same external behavior as the
-former handwritten `parse.rs`, now retired from hand-maintained authority).
-
-**Why last:** parse is hardest AND most transformative. The
-intermediate step (port `parse.rs` as-is to `.dag` functions
-operating on `List<Token>`) is substantial but tractable. The
-end state is much bigger: **grammar-as-data.** Parser rules
-become `.dag` declarations, the parser itself is a generic
-rule-interpreter. At that point, "ingest Python" becomes a new
-grammar spec file — the parser is no longer v3-specific.
-
-**Blocker dependencies:**
-
-- L1 (reflection)
-- Stages 1, 2, 3 (`emit.dag`, `lower.dag`, `infer.dag`) — all
-  required for the meta-circular bootstrap (see §7)
-- `std/string.dag` for source-text operations
-- Token type as a substrate declaration (parallels Surface AST
-  declarations from Stage 2)
-
-**Expected port size — two phases:**
-
-**Phase 4a — direct port (still open).** Literal port of the recursive-descent parser into `.dag`
-functions on tokens (historically `parse.rs`; today the algorithm scaffold is `parse_parser_body.txt`
-until it dissolves). ~1500-2000 lines of `.dag`. Produces identical Surface tree output.
-
-**Corpus snapshot harness (staging ratchet).** `src/v3/compiler/tests/integration.rs`
-(`parse_stage4_prep`) and `parse_corpus_manifest.txt` record the generated parser’s
-`SurfaceModule` output over the parseable fixture corpus. **Framing:** useful
-parity ratchet for **parser staging**; it does **not** assert that parse **logic**
-lives in `.dag` (that is the separate SG-2b bar — retire `parse_parser_body.txt`).
-The corpus pins the seven bootstrap `dsl/std` fixtures plus the parseable
-`src/v3/std`, `src/v3/spec`, `src/v3/compiler`, and four-fixture-pressure sources;
-it does not claim every file under `dsl/std/`.
-
-**Phase 4b — grammar-as-data.** Parser rules become `.dag`
-declarations in a grammar spec file (`dsl/grammar/v3.dag` or
-similar). The parser is a generic rule-interpreter that reads
-the grammar spec and walks tokens accordingly. Phase 4b replaces
-Phase 4a's hand-written rules with a data-driven form. Separate
-project, own design note.
-
-**Substrate extensions surfaced by the port:**
-
-- **Token type as substrate declaration.** Parallels Surface
-  AST from Stage 2. `std/token.dag` declares the token Disj.
-- **Grammar production as substrate declaration** (Phase 4b).
-  A new concept: a grammar rule is a declaration describing
-  "when you see these tokens in this order, produce this
-  SurfaceItem variant." Probably a `type Rule { name: String,
-  pattern: List<TokenPattern>, construct: SurfaceConstruct }`
-  or similar. This is a design-heavy addition.
-- **Error recovery.** Parser error recovery (how to continue
-  parsing after a malformed token sequence) is currently hand-
-  coded in the staged recursive-descent fragment (`parse_parser_body.txt`).
-  The `.dag` version needs a structural
-  form. Probably out of scope for Phase 4a, in scope for 4b.
-
-**Acceptance criteria (Phase 4a):**
-
-- [ ] `src/v3/spec/parse.dag` exists
-- [ ] Compiles under the grammar + library after L1 and earlier
-      pipeline stages
-- [ ] For every input file the Rust parser handles, the `.dag`
-      version produces identical Surface tree output
-- [ ] The Rust `parse.rs` is deleted once parity holds (but
-      `tokenize.rs` stays as the stage0 tokenizer for now)
-
-**Acceptance criteria (Phase 4b — separate project):**
-
-- [ ] Grammar declaration in `dsl/grammar/v3.dag`
-- [ ] Generic rule-interpreter replaces hand-written rules
-- [ ] Adding a Python grammar spec (experimental) parses a
-      subset of Python source
-
----
-
-## §7. The meta-circular bootstrap
-
-Once all four pipeline stages are in `.dag` form, the bootstrap
-loop becomes self-referential. Here's the mechanics:
-
-**Current state (pre-self-hosting):**
-
-```
-Rust stage0 (parse.rs + lower.rs + infer.rs + emit_rust.rs)
-      │
-      │ compiles
-      ▼
-User .dag source → Rust target source → rustc → executable
-```
-
-**Pre-self-hosting but post-L3 (pipeline in .dag):**
-
-```
-Rust stage0 (kept as bootstrap seed)
-      │
-      │ compiles
-      ▼
-src/v3/spec/{parse,lower,infer,emit}.dag → compiled pipeline
-      │
-      │ compiles
-      ▼
-User .dag source → compiled pipeline → Rust target → rustc → executable
-```
-
-The compiled pipeline stages REPLACE the Rust stage0 at the
-compile step. Rust stage0 only runs during the initial
-bootstrap of the pipeline stages themselves.
-
-**Self-consistency check (the meta-circular test):**
-
-```
-Step 1: Rust stage0 compiles {parse,lower,infer,emit}.dag
-        → produces compiled-pipeline-v1 (Rust code)
-Step 2: compiled-pipeline-v1 compiles its own source files
-        ({parse,lower,infer,emit}.dag)
-        → produces compiled-pipeline-v2 (Rust code)
-Step 3: Assert compiled-pipeline-v1 == compiled-pipeline-v2
-        (byte-identical)
-```
-
-If Step 3 holds, the pipeline is self-consistent: compiling
-the pipeline with itself produces the same output as compiling
-it with stage0. That's the self-hosting fixed point. v2 has
-this test; v3 will too.
-
-**When Rust stage0 is vestigial.** After self-consistency is
-proven, the Rust stage0 can be maintained as a bootstrap seed
-(needed for a fresh checkout with no pre-compiled binary), but
-it is NOT the source of truth. Any bug fix or improvement goes
-to the `.dag` pipeline first; stage0 is updated to match only
-when necessary (e.g., if the `.dag` pipeline grows a new
-substrate feature that the stage0 needs to be able to parse).
-
-The long-term story is: **stage0 is a minimal seed capable of
-compiling the .dag pipeline, nothing more.** It stops growing
-once it can produce a working `parse.dag` output. Every feature
-after that lives in the `.dag` pipeline and is compiled by the
-pipeline compiling itself.
-
----
-
-## §8. Open questions
-
-1. **Which pipeline stage goes first — `emit.dag` or something
-   smaller?** §3 recommends emit because it's already walk-shaped
-   and touches the realization index the reflection PR is
-   already modifying. But emit is ~340 lines; a smaller stage
-   might give a faster first data point. Counter-argument:
-   there isn't a smaller stage — parse/lower/infer are all
-   larger. Decision: emit first, as the doc currently says.
-2. **Inferred state representation (Stage 3's core question).**
-   Option A (mutable field), B (separate inference-result Dag),
-   or C (Dag-diff). Each has different substrate implications.
-   Worth a design note of its own before Stage 3 starts.
-3. **Grammar-as-data (Stage 4b) scope.** Phase 4a is a direct
-   port, cheap. Phase 4b is a separate project that changes
-   the parser's fundamental shape. Decision: plan them
-   separately, land 4a first, let 4b be its own design note.
-4. **Stage0 minimum feature set.** What does the Rust stage0
-   need to be able to parse in order to compile the first
-   version of `parse.dag`? Probably a subset of v3's current
-   grammar. Worth enumerating before Stage 4 starts so stage0
-   doesn't drift larger than necessary.
-5. **Meta-circular test infrastructure.** The self-consistency
-   test in §7 needs tooling: run pipeline-v1 on its own source,
-   diff the output against pipeline-v2. Historical compiler-integration
-   suites ran `ci_freshness` / `ci_fixed_point`-style gates; v3 will need the same.
-6. **Interaction with L2 consumer migrations.** If `lens_complexity`
-   is running on v3's pipeline stages during their migration,
-   the lens's output should reveal whether the ported stage is
-   "simpler" than the Rust version (fewer cost-algebra
-   reconstructions, more substrate-derived facts). This is a
-   measurable thesis claim — the migration should shrink
-   complexity's reported cost in measurable ways. Needs
-   explicit tracking during the migration.
-
----
-
-## §9. Relationship to the retired legacy compiler
-
-Prior art for v3 migrations lived in the historical `.dag` pipeline files (parse,
-resolve, infer, emit families). Every v3 pipeline stage migration should still:
-
-1. Read archived `Complexity` / `ownership` / emit DAG lineages as prior art (`docs/substrate-reflection-design.md`,
-   `docs/v2-retrospective.md`, git history).
-2. Identify reconstruction heuristics to dissolve versus genuine structural work to port.
-3. Track any behavior the v3 substrate does not yet support as a prerequisite extension.
-
-**Historical pipeline arcs** (architectural reference, not live paths) included large parse / infer / emit
-`.dag` modules documented pre-retirement in design notes and retrospectives. Direct line-for-line ports are not
-expected; the reference is for patterns, not verbatim source.
-
----
-
-## §10. Schema migration as a structural operation
-
-v2's bootstrap pain reveals three failure modes that v3 must
-NOT repeat:
-
-1. **Fixed-point failures report at the wrong layer.** When
-   `regenerate-stage0.sh`'s pass1 output differs from pass2,
-   the error is "fixed-point failed" with a file-level diff.
-   Localizing which pipeline stage diverged requires hours of
-   hand-bisection. ROADMAP's M5 Phase 4 Level 1 names the fix
-   (per-stage structural diffs during regen); it was never
-   shipped.
-2. **Manual stage0 edits come from TwoPhase schema changes,
-   not drift.** A schema change that isn't backward-compatible
-   (new required field, removed field, rename) forces a manual
-   Rust patch to bridge one bootstrap cycle. v2 has a model
-   for this (`dsl/gunbc/bootstrap.dag`'s `BootstrapStrategy`,
-   `ChangeClassification`, `TransformContract`) but **the model
-   has zero consumers**. 195 lines of decorative modeling; the
-   regen flow doesn't read any of it.
-3. **`dsl/gunbc/bootstrap.dag` is decorative.** The types
-   `CompilerStage`, `TransformContract`, `ChangeClassification`,
-   `BootstrapStrategy`, `FixedPointCheck`, `FieldPropagation`
-   exist but no code consumes them. v2 shipped with the
-   blueprint for fixing its own self-hosting pain, not wired.
-   This is the Track 17 "decorative types" failure mode
-   `ROADMAP.md` keeps naming.
-
-**v3's structural answer: make schema migration a compile-time
-operation over the substrate's own declarations.** The schema
-diff is a lens. The patch is a data structure. The bridge build
-is a mechanical application of the patch. Zero manual edits.
-
-**Why this is possible in gunbc specifically.** gunbc emits
-Rust **text**, not binary blobs. In GCC-style bootstrap, each
-stage's output is an executable; you can compare bit-for-bit
-and run it, but you can't structurally transform it. In gunbc,
-every stage's output is source code — which means a schema
-migration becomes a **patch over that source code**. The old
-compiler doesn't need to understand the new schema; it emits
-its own Rust, and a separate transformation applies the delta
-the new schema implies. The patch applier operates on source
-text, not on binaries.
-
-### §10.1 The five-step schema migration pipeline
-
-A schema change migrates without manual edits via this sequence:
-
-1. **Structural diff.** A `.dag` lens walks old and new
-   `substrate.dag` declarations, compares them, and produces a
-   `ChangeClassification` — a list of `ChangeKind` entries each
-   describing one delta. Built over reflection (§3 of the
-   reflection design doc); the diff reads declarations as data
-   because reflection makes them data.
-2. **Patch generation.** A second `.dag` lens reads the
-   `ChangeClassification` and emits a structural patch over
-   the compiler's Rust source. Each `ChangeKind` has a patch
-   template; the generator composes templates.
-3. **Bridge build.** The committed stage0 compiles the OLD
-   `.dag` source → reproduces the committed Rust state. The
-   patch from step 2 applies to that Rust → patched Rust →
-   rebuild → **bridge binary that understands the new schema**.
-4. **Bridge compile.** The bridge binary compiles the NEW
-   `.dag` source → stage1 Rust. (This is where the new schema
-   is first seen by a compiler that knows about it.)
-5. **Fixed-point verification.** Stage1 compiles the NEW `.dag`
-   source → stage2 Rust. Assert `stage1 == stage2` by
-   construction. If the patch was correct, convergence holds
-   in one step.
-
-Every step is either structural (walks substrate as data) or
-mechanical (applies a patch). Zero manual intervention. Every
-decision is either "what does the diff lens report" or "what
-does the patch template expand to" — both are data.
-
-### §10.2 `ChangeKind` enumeration
-
-The schema-diff lens produces one of these per delta. Phase 1
-targets the first five (~80% of real changes in v2 history);
-Phase 2 subsumes the rest as L3 completes.
-
-| ChangeKind | Example | Patch shape | Phase |
-|---|---|---|---|
-| **`AddField { decl, name, type, default }`** | Adding `result_port: PortId` to `BindNode` | Walk every `BindNode { … }` literal in Rust source, insert `result_port: <default>` in the initializer. Add field to the struct def. | 1 |
-| **`AddVariant { enum, name, payload_type }`** | Adding a new `Behavior::NewThing(NewThingNode)` variant | Add variant to the enum def. For every `match behavior` in Rust source that's not `#[non_exhaustive]`, add a `Behavior::NewThing(_) => unimplemented!("scaffolded")` arm with a ratchet comment. New emitter/infer paths for the variant land via `rust.dag` and `infer.dag` declarations — NOT as hand-written Rust. | 1 |
-| **`RenameField { decl, old, new }`** | `BindNode.value` → `BindNode.result_port` | Mechanical find-and-replace on the field name, scoped to the containing struct. Handles field-access sites and struct-literal sites. | 1 |
-| **`RenameType { old, new }`** | `Declaration` → `DeclarationRef` (the v3_l1 sentinel rename warm-elk just landed) | Find-and-replace on the type name. Needs to handle both `type Declaration` in `.dag` and all Rust-side consumers. Scoped to not touch unrelated identifiers with the same string. | 1 |
-| **`RemoveField { decl, name }`** | Deleting a deprecated field | Audit every reader of the field. If the field has become derivable from other fields, route readers through the derivation. If not, fail-closed — manual review required. Phase 1 tolerates "fail with diagnostic listing every reader" as acceptable output. | 1 |
-| **`ChangeFieldType { decl, name, old_type, new_type }`** | `String` → `DeclarationId` (exactly what happened in PR #445's name-to-id migration) | Requires a **value converter** — a `.dag` function that takes `old_type` and returns `new_type`. For simple cases (string → structured ID via lookup) the converter is declarable. For complex cases the converter is a follow-up PR. | 1 for simple converters, 2 for complex |
-| **`NewInferenceRule`** | Adding a new inference rule for a new substrate variant | Not a patch — it's additive `.dag` source the old compiler doesn't understand semantically but CAN parse. Falls out of Prereq 0 (template instantiation) + L3 Stage 3 (infer as `.dag`). | 2 |
-| **`NewEmitterPath`** | Adding emit support for a new variant | Not a patch — it's a new `rust.dag` declaration. The emitter reads `rust.dag` as data. Falls out of L3 Stage 1 (emit as `.dag`). | 2 |
-| **`Arbitrary`** | Anything not classifiable above | Fail-closed, escape-hatch "manual stage0 edit required." Tracked by a numeric ratchet; each use reduces the ratchet budget. | 1 escape hatch |
-
-**Phase 1 covers the common cases.** AddField, AddVariant,
-RenameField, RenameType, RemoveField, and simple
-ChangeFieldType. In v2's history, these account for the vast
-majority of schema changes. The escape hatch (`Arbitrary`)
-handles the remaining edge cases with an explicit manual-edit
-receipt — not silently, visibly.
-
-**Phase 2 is not a separate design project.** When L3 (pipeline
-stages in `.dag`) completes, the compiler's own behavior is
-expressed as declarations — new inference rules, new emitter
-paths, new lowering paths are all data edits. At that point,
-every schema change classifies as one of the Phase 1 patches
-over the substrate declarations, and the "new semantics"
-cases become declaration additions in the companion files
-(`rust.dag`, `infer.dag`, etc.). The Phase 2 patch language
-is the declaration language; no separate Phase 2 effort.
-
-### §10.3 Patch language technology — Option C upfront
-
-Three ways to build the patch layer in Phase 1:
-
-- **Option A — syn-based Rust transformer.** Build the patch
-  generator in Rust using `syn`/`quote` to parse old Rust,
-  structurally transform, emit new Rust. Rust-native, leverages
-  existing tooling. Fastest path to a working Phase 1. **But**
-  creates a Rust-side scaffold that has to retire when L3
-  completes — and retirement friction tends to delay retirement.
-- **Option B — string-level search-and-replace.** Simpler but
-  brittle, silent failures on edge cases. **Rejected.**
-- **Option C — native `.dag` patch language, compiled into
-  Rust-source transformations at emit time.** The patch
-  generator is a `.dag` lens that reads `ChangeClassification`
-  declarations and produces patch declarations. The patch
-  applier is another `.dag` program that walks those
-  declarations and emits transformed Rust source via the same
-  `emit_rust` pipeline everything else uses. No Rust-side
-  scaffold; the patch language is `.dag` from the start.
-
-**Decision: Option C upfront.** Rationale:
-
-1. **Front-loads the decisions.** Going C upfront means the
-   schema-migration work directly exercises reflection's second
-   consumer (the schema-diff lens) and forces any substrate
-   extensions the lens surfaces to land as prerequisites.
-   Option A would defer those decisions behind a Rust scaffold
-   that later has to retire.
-2. **Phase 2 falls out of Phase 1 without a redesign.** In
-   Option C, the patch language IS `.dag`. As L3 stages
-   migrate, the emitter-side components of the patch language
-   come into `.dag` alongside the rest of the emitter. The
-   patch language doesn't shrink or dissolve; it grows through
-   the same migrations everything else does.
-3. **The patch language is the first real user of reflection
-   beyond lenses.** Building it validates that reflection works
-   for consumers that aren't toy analyses. That's the
-   strongest possible test of the framework.
-4. **Same discipline as lenses-as-`.dag`-native.** If the
-   project's commitment is "lenses are `.dag` programs, not
-   Rust modules," then patches should be `.dag` programs too.
-   Different abstraction, same rule.
-
-**The cost of Option C is that Phase 1 takes longer to ship
-than Option A would.** That cost is absorbed by the explicit
-commitment: schema migration is a follow-up PR AFTER reflection
-lands, not bundled with it. We're already paying for the wait
-by staging the work; we might as well pay it for the purer
-design.
-
-### §10.4 Phase 1 as follow-up PR
-
-Phase 1 schema migration is its own PR, NOT part of the
-reflection PR. Reasons:
-
-- The reflection PR is already carrying substantial scope
-  (substrate declarations, prereq slate, `lens_unused_parameters`
-  migration). Bundling schema migration doubles that scope.
-- Phase 1 needs reflection + `std/string.dag` + potentially
-  `std/ast/rust.dag` (declaring Rust's AST as a substrate type
-  for the patch emitter to walk). These are substantial
-  prerequisites that aren't needed for the reflection PR's
-  core.
-- Separating the PRs gives clean review focus. Reflection's
-  reviewers don't have to reason about schema migration; schema
-  migration's reviewers don't have to re-litigate reflection.
-
-**Acceptance criteria for the Phase 1 PR:**
-
-- [ ] `dsl/lenses/schema_diff.dag` exists, walks two Dag values
-      from two substrate versions, and produces a
-      `ChangeClassification`
-- [ ] `dsl/lenses/schema_patch.dag` exists, reads a
-      `ChangeClassification` and produces a structural patch
-      declaration
-- [ ] Patch applier emits transformed Rust source for AddField,
-      AddVariant, RenameField, RenameType, RemoveField, and
-      simple ChangeFieldType
-- [ ] `Arbitrary` escape hatch exists with a numeric ratchet
-      (starts at some count representing "manual edits allowed,"
-      monotonically decreasing toward zero)
-- [ ] At least one real v2 → v3 schema migration history
-      incident is reproduced via the pipeline, with byte-identical
-      output to whatever v2 produced historically
-- [ ] `dsl/gunbc/bootstrap.dag`'s decorative types (`CompilerStage`,
-      `TransformContract`, etc.) are either wired to real
-      consumers or deleted as dead code. The decorative-modeling
-      debt from v2 is retired.
-
-**Dependency on reflection:** Phase 1 cannot start until
-reflection ships (it needs the substrate-as-data for the
-schema-diff lens). Phase 1 CAN proceed in parallel with L2
-consumer migrations once reflection lands — they're independent
-work streams.
-
----
-
-## §11. Per-stage fixed-point from day one
-
-**Problem.** v2's regen fixed-point check fires at a file-level
-diff. When pass1 != pass2, the output is "some file differs"
-with no indication of which compiler stage produced the
-divergence. The 2024 dark-emu-36-pr3 incident spent hours
-localizing the divergence to the Resolve stage by hand.
-
-**Fix (v3 should build from day one).** The regen loop captures
-per-stage output and compares pass1 and pass2 at every stage
-boundary. When divergence is detected, the error names the
-first stage that diverged, emits a per-stage structural diff,
-and points at the specific declaration or behavior that
-differs.
-
-**Implementation shape.** A `.dag` lens walks two Dag values
-(pass1 and pass2 outputs) and produces a structural diff. This
-is **the same lens** used by the schema-migration work in §10
-— `dsl/lenses/dag_diff.dag` or similar. The fixed-point check
-in regen reuses it with different inputs: compare pass1 pre-
-and-post each pipeline stage.
-
-**Why from day one.** v3's regen flow is simpler than v2's
-right now because there's less accreted tooling. Adding per-
-stage diffing at first regen is cheap; retrofitting it after
-pain is expensive (exactly what v2 is discovering).
-
-**Acceptance criteria:**
-
-- [ ] `regen.sh` (or equivalent) captures per-stage Dag snapshots
-      during pass1 and pass2
-- [ ] Fixed-point check runs `dag_diff.dag` at each stage
-      boundary
-- [ ] Divergence reports the first stage that diverged and
-      the structural delta
-- [ ] Tested against a synthetic divergence (intentionally break
-      one stage, verify the error correctly identifies it)
-
-**This section graduates to L1 (part of the reflection PR or
-immediate follow-up) because it uses the same schema-diff lens
-that §10 builds.** The lens has two consumers: schema migration
-(comparing substrate versions) and per-stage fixed-point
-(comparing compile passes). Building it once for both is
-cheaper than building it twice.
-
----
-
-## §12. Hand-maintained file inventory at M3 start
-
-**Problem.** v2 has two hand-maintained Rust files in stage0
-(`cli_run.rs` for the Run handler, `v2_interpreter.rs` for the
-interpreter) that are excluded from the fixed-point diff.
-Those two files aren't documented as "permanently hand-
-maintained" anywhere authoritative; they're discovered by
-people hitting the exclusion list. Neither has a named plan
-for eventual dissolution.
-
-**Fix.** v3's M3 plan declares **explicitly** which files are
-permanently hand-maintained, with the chicken-and-egg for each.
-Declaration not discovery.
-
-**The invariant:** a file in the hand-maintained set MUST have
-a receipt that names (a) the specific chicken-and-egg dependency
-that makes it hand-maintained, (b) the dissolution trigger that
-would retire it, and (c) whether retirement is realistic
-(examples: "needs the interpreter in `.dag`" — likely retirable;
-"needs a Rust runtime binding for stdin/stdout" — probably
-permanent).
-
-**v3's hand-maintained set at M3 start — TO BE FILLED IN during
-M3 planning.** Placeholder entries, each with a planned
-receipt:
-
-- **`src/v3/compiler/src/bootstrap.rs`** — the file that
-  registers the V3_SPECS list and composes the bootstrap Dag.
-  Hand-maintained because it's the seed that compiles the
-  `.dag` pipeline; it has to exist in Rust before any `.dag`
-  can run. **Dissolution:** when the `.dag` pipeline is fully
-  self-hosting, `bootstrap.rs` shrinks to "read the files, call
-  parse.dag's compiled function" — ~20 lines of glue. Probably
-  never zero, but bounded.
-- **A minimal Rust tokenizer** — probably needed to bootstrap
-  `parse.dag`. The tokenizer is the innermost layer and is
-  likely the last thing to migrate. **Dissolution:** when
-  `tokenize.dag` (if it lands) can produce the same token
-  sequence. Maybe never; tokenizers are string-heavy and the
-  cost of a `.dag` version vs a tiny Rust version may not be
-  worth it.
-- **TBD** as M3 scope crystallizes. Each entry follows the
-  receipt template above.
-
-**The rule: the set is declared, not accreted.** Every PR that
-adds a file to the hand-maintained set MUST update this section
-with the receipt. No silent additions. If the set is larger
-than 3 files by M3 start, that's a signal the bootstrap is too
-ambitious and scope needs revisiting.
-
-**This section updates as M3 planning begins.** Today it's a
-placeholder; it becomes load-bearing when the M3 milestone is
-active.
-
----
-
-## §13. Perf audit pattern
-
-**Lesson from v2.** v2's self-compile perf cliff was never
-clones. The actual cost was **fact re-derivation** — functions
-named `merge_envs`, `combine_*`, `build_*_from_*` that walked
-upstream data and reconstructed facts the upstream already had.
-The 2024 dark-emu fix was 6 lines: stop rebuilding the
-`InternTable` in merge_envs, thread the existing one through.
-68× speedup on reconcile.
-
-**The audit pattern.** A grep for `merge_*`, `combine_*`,
-`build_*_from_*` (and similar "take things apart and put them
-back together" verbs) finds the candidate sites. For each hit,
-ask: **is this function computing a fact that an upstream
-stage already had?** If yes, it's a re-derivation. The fix is
-to thread the upstream fact through instead of recomputing.
-
-**This is `feedback_perf_is_dependency_modeling` applied
-concretely.** The memory entry already says "re-derivation =
-poor dependency modeling." §13 gives the audit tool: grep for
-verbs of reconstruction, inspect each, thread the upstream
-fact where found.
-
-**v3 perf work should start with this audit.** Every
-performance concern on v3's self-compile loop goes through the
-re-derivation filter first. Clone-counting comes second, if
-ever. The thesis-aligned claim is: **if v3 has perf problems,
-they'll be in the places where the compiler is recomputing
-substrate facts that should be carried forward as typed edges.**
-
-**Cross-reference with consumer migrations.** Every v2 `annotate_*`
-helper that becomes a substrate field read in the complexity
-lens migration (see `docs/substrate-reflection-design.md` §12.5
-M1) is also a perf win by the same mechanism: the facts stop
-being reconstructed and start being read.
-
----
-
-## §14. Test generation as a structural lens
-
-**Problem.** v2 forgot testgen. Tests were hand-written,
-coverage was ad-hoc, and the thesis's KF-3 claim ("add a type
-→ verification appears") was never delivered empirically. When
-structural bugs were possible, they were caught by reviewer
-diligence, not by generated coverage. This is exactly the kind
-of commitment that needs to land early — before the surface area
-grows to where manual coverage can't keep up.
-
-**Principle.** The compiler knows the complete shape of every
-type and every function signature. It can enumerate all
-structurally valid inputs, all variant combinations, all
-boundary cases. The only thing it CANNOT determine is whether
-the behavior the developer intended is the behavior the program
-produces. That question — "is this what I want?" — is the
-developer's job. Everything else is mechanically derivable.
-
-**The three testgen layers:**
-
-### §14.1 Structural testgen (from types) — lands at L1.5
-
-A type declaration is a complete specification of what values
-are valid. From that specification, the compiler generates:
-
-- **Inhabitant witnesses.** For every Conj, generate at least
-  one structurally valid instance (all-zero, all-boundary,
-  mixed). For every Disj, generate one instance per variant.
-  For nested types, generate compositionally — `List<Option<Int>>`
-  generates `Empty`, `Cons(Some(0), Empty)`,
-  `Cons(None, Empty)`, etc.
-- **Coercion tests.** For every pair of types that should NOT
-  be coercible, assert the compiler rejects the coercion. These
-  are the negative space — proving the type system doesn't
-  accept what it shouldn't.
-- **Exhaustiveness witnesses.** For every Disj consumed by a
-  match, generate a test per variant that exercises each arm.
-
-**Authority types: extend existing `dsl/std/verification.dag`.**
-
-v2 already declares the test authority types:
-
-```dag
-// dsl/std/verification.dag (EXISTING — single authority)
-type AssertKind = AssertEqual | AssertTrue | AssertSome | AssertNone
-type TestClaim { kind: AssertKind, label: String }
-type TestCase { name: String, claims: List<TestClaim>, ignored: Bool }
-```
-
-L1.5 EXTENDS this schema (same file, same authority) with
-the structural predicates testgen needs. The extension adds
-`AssertKind` variants for compiler-verifiable properties:
-
-```dag
-// Added to dsl/std/verification.dag at L1.5:
-// AssertCompiles        — program compiles with zero diagnostics
-// AssertFailsWith       — program fails with named diagnostic kind
-// AssertPortResolved    — named bind's output is Resolved
-// AssertPortUnresolved  — named bind's output is Unresolved
-// AssertCostBelow       — structural cost at or below bound
-// AssertCostAbove       — structural cost above floor
-```
-
-Each new `AssertKind` variant is a standard verification
-predicate grounded in existing substrate facts (`PortState`,
-`Diagnostic`, `CostLens` output). No new opaque carriers —
-`subject` is a `TestClaim.label` string (the .dag source text),
-and `kind` is an `AssertKind` variant that names the substrate
-property being checked.
-
-Every backend renders TestCase to its test framework —
-`#[test]` in Rust, `func Test...` in Go, `def test_...` in
-Python. Same pattern as type emission through RealizationIndex.
-
-**Why at L1.5.** The types in `std/` already exist. Structural
-testgen reads them and emits test cases. This requires no lens
-infrastructure beyond what L1 provides — it's a walk over
-declarations, same as `emit_rust` but targeting test programs
-instead of production code. Landing this at L1.5 means every
-subsequent type added to `std/` gets test coverage
-automatically. The clean bootstrap process is itself tested by
-generated tests from day one.
-
-### §14.2 Behavioral testgen (from transforms) — lands at L2.6
-
-A function signature declares its input and output types. From
-those types, the compiler generates test cases that exercise
-every structurally valid input and verify the output satisfies
-the declared return type.
-
-- **Input enumeration.** The function's parameter types define
-  the space of valid inputs. For bounded types (Disj with finite
-  variants, Conj with known field types), enumerate all
-  combinations up to a configurable depth. For unbounded types
-  (List, recursive structures), generate small witnesses
-  (empty, singleton, two-element).
-- **Output verification.** Each generated input is passed to
-  the function. The output must inhabit the declared return
-  type. This catches: wrong return type (already caught by type
-  checking, but verified at runtime too), partial functions
-  that crash on valid inputs, and unexpected divergence between
-  the type-checked program and the emitted code.
-- **Boundary cases from effects.** When a function carries
-  effect annotations (L2 M3), generate tests at effect
-  boundaries — the inputs that trigger each effect branch.
-
-**Why at L2.6 (not earlier).** Behavioral testgen needs to
-execute the generated test programs, which requires the emit
-pipeline + a working target compiler. L1.5's structural testgen
-validates types statically. L2.6's behavioral testgen validates
-behavior dynamically.
-
-### §14.3 Mock generation + dry-run mode — lands at L2.6
-
-**The environmental boundary problem.** `ExternalRealization`
-bodies have type signatures but no executable bodies. The
-compiler can't test composition chains that pass through
-external dependencies without a mock.
-
-**MockRealization.** A type-correct stub generated from the
-arrow signature of an `ExternalRealization`. For a function
-`fn read_file(path: String) -> Result<String, Error>`, the mock
-returns a structurally valid `Result` — the identity value for
-the return type's algebra, or a generated inhabitant witness if
-no algebra exists.
-
-The mock type must make invalid states unrepresentable. A mock
-that returns a value not inhabiting the source arrow's return
-type should be structurally impossible to construct. The mock's
-return value is not a raw `Value` — it's a typed reference to
-an inhabitant witness of the source declaration's return type:
-
-```dag
-type MockRealization {
-  source: DeclarationId         // which ExternalRealization
-  strategy: MockStrategy        // how to generate return values
-}
-
-type MockStrategy
-  = DefaultInhabitant
-      // Compiler generates the return type's default witness.
-      // Always valid — the witness is computed from the type.
-  | InhabitantOf { witness: DeclarationId }
-      // Return a specific declared witness of the return type.
-      // The DeclarationId must inhabit the source's return type
-      // (checked at construction by the same inhabitance walk
-      // used for record literals). Invalid witnesses are a
-      // compile error, not a runtime surprise.
-```
-
-`FixedValue { value: Value }` and `FailWith { error: Value }`
-from the earlier sketch are removed — raw `Value` payloads
-admit invalid states. `InhabitantOf` replaces both by
-requiring the mock value to be a declared inhabitant of the
-correct type. The compiler verifies inhabitance at mock
-construction time, not at dry-run time.
-
-**Dry-run mode.** Execute the pipeline (or any composed
-function chain) with MockRealizations substituted for all
-`ExternalRealization` bodies. This verifies:
-
-1. Typed boundaries hold at runtime (not just at compile time).
-2. The composition chain doesn't crash on structurally valid
-   inputs.
-3. Effects compose as declared — no unexpected ordering
-   dependencies or state mutations.
-
-Dry-run is the direct answer to the "environmental boundary"
-bug class. The compiler eliminates structural bugs by
-construction; testgen eliminates behavioral bugs by exhaustive
-enumeration; dry-run eliminates environmental bugs by
-simulation.
-
-### §14.4 Composition testgen (from pipelines) — lands at L3
-
-Once pipeline stages are in `.dag`, the pipeline itself is a
-composition chain that testgen can analyze:
-
-- **Inter-stage contract tests.** For each stage boundary,
-  generate tests that verify the output of stage N is a valid
-  input to stage N+1. These are the typed pipeline contracts
-  from §2.1, verified at runtime.
-- **Provenance tests.** For each field produced at stage N and
-  consumed at stage K, generate a test that traces the field
-  through the intermediate stages. If a stage drops the field,
-  the test catches it.
-- **Regression tests from diffs.** When a `.dag` source file
-  changes, testgen compares the before/after type signatures
-  and generates tests for every affected boundary. These are
-  targeted regression tests, not full re-enumeration.
-
-**The thesis's KF-3 claim becomes empirical at L1.5 (structural)
-and progressively stronger through L2.6 (behavioral + mock) and
-L3 (compositional). By L4, every thesis claim that CAN be
-tested IS tested — automatically, by generated tests that the
-developer never writes.**
-
-### §14.5 Invariant lenses — self-enforcement from code
-
-Every invariant in `INVARIANTS.md` that has a structural test
-should become a lens that runs against the compiler's own code.
-This serves three purposes: (a) catches invariant violations
-during development, (b) validates the lens mechanism itself on
-real programs, and (c) creates a regression gate that prevents
-reintroduction.
-
-**Category A — invariants that are directly lensable:**
-
-| Invariant | Lens name | What it reads | Ships at |
-|---|---|---|---|
-| Layer opacity | `lens_layer_opacity` | Hardcoded below-boundary strings in consumer code | L1.5 |
-| Decidability | `lens_termination` | Every call pattern lowers to bounded primitive | Current |
-| Unused parameters | `lens_unused_parameters` | Parameters not read by function body | L1 |
-| Tight bounds | `lens_complexity` | Every function has `Proven`, not `Conservative` | L2 M1 |
-| No duplicate representations | `lens_single_authority` | For each fact, one declaration is authority | L2 |
-| No case enumeration | `lens_structural_dispatch` | String-keyed match where structural walk exists | L2 |
-| Cost algebra upstream | `lens_cost_coverage` | Every primitive has a `CostExpr` in algebra | L2 M1 |
-
-**Category B — invariants lensable after modeling work:**
-
-| Invariant | What's missing | Ships at |
-|---|---|---|
-| Facts flow forward | Per-field provenance across stages (SubValueRelation) | L2+ |
-| No fabrication fallbacks | Effect typing — catch-and-default has different effect | L2 M3 |
-| Heuristics = lost structure | Proxy: string comparison on a value that has DeclarationId | L2.6 |
-| Root-cause depth | Compiler's own dependency graph as data | L3+ |
-
-**Category C — process rules with structural proxies:**
-
-| Invariant | Can't detect | Structural proxy |
-|---|---|---|
-| Progress Is Dissolution (`INVARIANTS.md#p5-progress-is-dissolution`) | Intent (is this adapter temp?) | Two-representation detection: `fn(A) -> B` where A ≅ B; bridge vs legitimate transform |
-| Modeling faithfulness | External grounding | No proxy — requires domain knowledge |
-
-**The self-analysis loop.** Once L3 pipeline stages are in `.dag`,
-every Category A lens runs against the compiler's own pipeline
-code. `lens_layer_opacity` on `emit.dag` catches hardcoded type
-names. `lens_complexity` on `parse.dag` reports the parser's
-cost. `lens_unused_parameters` on `infer.dag` finds dead
-parameters. This is the thesis's "compiler analyzes itself" claim
-(§7), applied incrementally — each lens validates both the
-invariant and itself when run against real compiler code.
-
-**Before L3 (while compiler is still Rust).** Category A lenses
-can run against the `.dag` portions of the codebase (std/,
-extdeps/, user programs, lenses themselves) from L1.5 onward.
-The Rust compiler code is NOT lensable until it migrates to
-`.dag` at L3. But every `.dag` lens file IS lensable by other
-lenses — so `lens_unused_parameters` running on
-`complexity.dag` validates both the invariant enforcement and the
-lens mechanism. Lens-on-lens is the earliest self-analysis
-available.
-
-**Acceptance criteria for each Category A lens:**
-
-1. The lens runs against at least one `.dag` fixture and
-   correctly identifies a planted violation.
-2. The lens runs against the compiler's own `.dag` files (std/,
-   extdeps/, lenses/) and reports the current violation count.
-3. A CI ratchet gates the violation count at zero (or at the
-   current count, monotonically decreasing).
-4. When the underlying invariant's structural prevention is
-   complete, the lens reports zero violations — the invariant
-   is self-enforcing and the lens becomes a regression gate.
-
-### §14.6 Diagnostics as corrections — show the fixed code
-
-**Thesis ref:** THESIS.md §"Error handling: show the correct
-code."
-
-**The claim:** when the compiler finds a broken causal link, it
-doesn't just report the error — it shows the fix. Because the
-system is closed and the compiler has full structural knowledge,
-it knows the finite set of ways to make the code correct. A
-diagnostic is not "error on line 42." It is: what's wrong (the
-broken causal link), why it's wrong (the structural
-contradiction), and how to fix it (the literal corrected code).
-
-**Current state.** R3 Gap 9 row #106 has moved the v3
-`Diagnostic` surface to a mandatory `correction: Correction`
-carrier in `src/v3/std/diagnostics.dag`. The remaining gap is not
-field presence; it is retiring every `DeferredCorrection` by adding
-class-by-class live witnesses and roundtrip coverage.
-
-**Target shape.** Every diagnostic carries a `Correction`:
-
-```dag
-type Correction
-  = LiveCorrection { witness: CorrectionWitness }
-  | DeferredCorrection { reason: String, retirement_plan: RetirementPlan }
-
-type CorrectionWitness {
-  description: String
-  span: SourceSpan
-  new_source: String
-}
-```
-
-`Correction` is computable because the compiler has full
-structural knowledge of what's valid:
-
-| Diagnostic | Correction shape | Why computable |
-|---|---|---|
-| NonExhaustiveMatch | LiveCorrection: add all missing arms in one edit | Compiler knows the Disj's full variant set |
-| TypeMismatch | LiveCorrection when one source-level rewrite is known; otherwise DeferredCorrection | Compiler knows both types and the valid coercions, but not every semantic choice has one canonical edit yet |
-| FieldNotFound | LiveCorrection when one field repair is canonical; otherwise DeferredCorrection | Compiler knows the Conj's field set |
-| ArityMismatch | LiveCorrection when arity repair is canonical; otherwise DeferredCorrection | Compiler knows the Arrow's parameter count |
-| UnboundedRecursion | LiveCorrection when descent evidence is derivable; otherwise DeferredCorrection | Compiler knows the input type's sub-structure |
-| ComplexityUnknown | LiveCorrection when the sub-value argument is derivable; otherwise DeferredCorrection | Compiler knows the cost algebra |
-| LayerOpacityViolation | LiveCorrection when the typed replacement is known; otherwise DeferredCorrection | Lens knows the typed alternative |
-
-**The test pattern (three assertions per diagnostic):**
-
-```
-broken_source → compile → diagnostic with correction
-                              ↓
-         apply correction to broken_source → corrected_source
-                              ↓
-         compile corrected_source → succeeds (zero diagnostics)
-```
-
-This is a roundtrip test: break it, get the fix, apply the fix,
-verify the fix works. Three properties tested:
-1. **Detection** — the diagnostic fires on the broken program
-2. **Fix correctness** — the suggested correction compiles
-3. **Fix completeness** — the corrected program has zero
-   diagnostics (the fix didn't introduce new problems)
-
-For lens diagnostics specifically, the roundtrip is even
-stronger: the lens should report zero violations after the
-correction is applied. This validates that the lens and the
-correction agree on what "correct" means.
-
-**When to build.** This is NOT M4. The correction field should
-land on the Diagnostic type at **L1.5** (alongside the test
-authority types) and the first roundtrip tests should cover the
-five current diagnostic variants immediately. Every lens that
-ships after L1.5 must include correction computation from day
-one — not as a polish step after the lens works, but as part of
-the lens's acceptance criteria. The test pattern above is a
-gating requirement for every new diagnostic and every new lens.
-
-The gate #58 timing-lens enforcement scaffold is the only legacy
-pre-L1.5 exception in this section. It predates the mandatory
-`Correction` carrier and currently emits `DeferredCorrection` with a
-row-#106 retirement plan because the host-side enforcement diagnostic
-does not yet retain a source span for the offending timing
-measurement/budget literal. That test must ratchet the explicit
-retirement plan, not treat deferral as acceptable steady state; closing
-row #106 requires replacing it with a `LiveCorrection` roundtrip.
-
-**Why ASAP matters.** If corrections are deferred until M4:
-1. Every lens ships without fix suggestions, and adding them
-   later means re-understanding each lens's error semantics
-2. Users of the system (including the self-hosting pipeline)
-   get error-only diagnostics for the entire L2-L3 period
-3. The thesis claim is untested until the very end
-
-If corrections ship at L1.5:
-1. Every subsequent lens inherits the correction pattern
-2. The self-hosting pipeline gets fix suggestions from day one
-3. The roundtrip test validates both detection and correction
-   for every diagnostic that exists
-
-**Acceptance criteria:**
-
-- [x] Diagnostic type carries mandatory `correction: Correction`
-- [ ] All five current variants (TokenizerError, ParseError,
-      TypeMismatch, ArityMismatch, ResolveError) compute a
-      correction where structurally possible
-- [ ] At least one roundtrip test per current variant: break →
-      diagnose → apply correction → recompile → zero diagnostics
-- [ ] Every new lens's acceptance criteria includes: "the lens
-      produces a correction for each violation it reports" and
-      "applying the correction eliminates the violation"
-
-### §14.7 Rendering from root facts — dedicated parallel track
-
-**Full design:** [`docs/dependency-and-rendering-design.md`](
-../../docs/dependency-and-rendering-design.md).
-
-**The core insight.** Ownership, scope, parallelism, and
-complexity are not separate analyses — they emerge from the
-composition of .dag's computation model (`Immutable`, `Pure`,
-`ExplicitDAG`, `Bounded`) and the target's execution model
-(`ValueOnly`, `GarbageCollected`, `RefCounted`,
-`OwnershipBased`). Three of four target classes dissolve the
-ownership question entirely. The rendering for any .dag
-program on any target is:
-`ComputationModel × TargetExecutionModel × DAG structure`.
-
-**Why this dissolves v2's 719 lines.** v2's emitter started
-with "clone everything" (20-minute self-compile, FF-1). The
-fix was 719 lines of fact reconstruction in `ownership.dag`.
-v3 declares the root facts in `std/computation_model.dag` and
-the target model in the realization spec. The rendering falls
-out of the composition — no reconstruction.
-
-**Phasing (design doc §9):**
-
-| Phase | When | What |
-|---|---|---|
-| Phase 1 | L1.5 | `std/computation_model.dag`. `TargetExecutionModel` in specs. Emitter gates ownership on target memory. Conservative callable defaults. `is_copy` on leaf types. Clone count ~6. |
-| Phase 2 | L2 | `ParameterCrossing` analysis (body-walk for .dag, declared for external). `is_copy` composition. Last-crossing-use. Clone count → 1. |
-| Phase 3 | L2+ | Parallelism Rc/Arc. Complexity reads crossing facts. Multi-target validation. |
-| Phase 4 | L3 | Self-analysis. Clone count zero. Same DAG → Rust + Go → both correct. |
-
-**Acceptance criteria:**
-
-- [ ] `std/computation_model.dag` declares root facts
-- [ ] Target execution models in realization specs
-- [ ] Emitter gates ownership stage on target memory model
-- [ ] Clone count: ~6 (Phase 1), 1 (Phase 2), 0 (Phase 4)
-- [ ] Multi-target: same .dag → Rust + Go → both correct
-
----
-
-## §15. When this doc updates
-
-`SELF_HOSTING.md` is a living design note. It evolves as:
-
-- Each pipeline stage migration starts — the relevant section
-  graduates from "plan" to "in-flight," with real
-  implementation details replacing the current speculation.
-- Substrate extensions surface during migration — each becomes
-  a tracked item, either moved into a follow-up prereq PR or
-  absorbed into the stage's own scope.
-- Open questions resolve — the list in §8 shrinks as decisions
-  land.
-- The meta-circular bootstrap test lands — §7 moves from
-  design to documentation of the real test.
-- Testgen layers ship — §14 sections graduate from "plan" to
-  "tested" as each layer's fixture suite lands.
-
-**When this doc is complete.** The v3 compiler is fully
-self-hosting and Rust stage0 is vestigial. At that point this
-doc is archived as a historical record of the migration path,
-and ongoing compiler work happens in the `.dag` pipeline files
-directly.
diff --git a/src/v3/compiler/Cargo.toml b/src/v3/compiler/Cargo.toml
deleted file mode 100644
index 0575563f956..00000000000
--- a/src/v3/compiler/Cargo.toml
+++ /dev/null
@@ -1,99 +0,0 @@
-[package]
-name = "v3-compiler"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-# PB-1-e / Zero-Floor: `regen_bootstrap` is the only bin that enables
-# `bootstrap-regen-fresh`; listing bins explicitly keeps that boundary
-# without Cargo silently promoting a new `src/bin/*.rs` driver.
-autobins = false
-
-[features]
-# Fresh tokenize/parse/lower bootstrap for `regen_bootstrap` only — not part of
-# the default `v3-compiler` library build graph (production uses snapshots).
-bootstrap-regen-fresh = []
-
-# Cross-crate **tests** that need a declaration graph without bootstrap rows
-# (e.g. E-6 empty-`dag` witnesses). Off by default so production dependency graphs
-# cannot construct this substrate-invalid state without opting in.
-empty-substrate-for-tests = []
-
-# Opt-in DeclarationId witness constructor (`declaration_id_raw_for_testing`)
-# for dependent crate tests that bail before dereferencing substrate ids (see `declaration_id_raw_for_testing`).
-declaration-id-raw-test-witness = []
-
-# M0: the smallest v3 pipeline that exercises the full substrate.
-# parse -> lower to L1 behaviors -> infer types through Ports ->
-# emit diagnostics via the enforced mark_unresolved API -> one lens.
-#
-# No code emission (that is M1). No self-hosting (M3). No generics,
-# no Optional, no service calls (M2). Five L1 behaviors hardcoded
-# in Rust; std/-backed dispatch lands in M1.
-#
-# `libc` is Unix-only: process-group + kill for `ExecuteCommand` (PB-Runtime).
-[dependencies]
-# R3 Substrate Rust-primitive-full-coverage (Director Path A RATIFIED at
-# gunbc#1739 #issuecomment-4392731264): `IntervalInt::ExactInterval` host
-# repr widens to `BigInt` to admit `u128::MAX`.
-num-bigint = { workspace = true }
-# W3 / T-38 + T-22: `emit_host_bridge.rs` + `emit_host_eval.rs` → `tools/emit_host_runner`.
-emit_host_runner = { path = "../../../tools/emit_host_runner" }
-
-[target.'cfg(unix)'.dependencies]
-libc = { version = "0.2", default-features = false }
-
-[dev-dependencies]
-# R3 C1 — Tier-3 mirror dissolution perf budget (Phase 1 baseline capture); see
-# `docs/briefs/r3-pb-tier3-perf-budget-worker.md` deliverable 0a/0b.
-criterion = "0.5"
-ci_affected_components = { path = "../../../tools/ci_affected_components" }
-serde = { workspace = true }
-serde_json = { workspace = true }
-serde_yaml = { workspace = true }
-sha2 = { workspace = true }
-# T-V2 G-1 manifest ratchet: structured Cargo.toml walk (`toml` value parse).
-toml = { workspace = true }
-
-[[bench]]
-name = "tier3_mirror_perf"
-harness = false
-
-[[bin]]
-name = "regen_bootstrap"
-path = "src/bin/regen_bootstrap.rs"
-required-features = ["bootstrap-regen-fresh"]
-
-[[bin]]
-name = "regen_lens"
-path = "src/regen_lens_entry.rs"
-
-[[bin]]
-name = "regen_parse"
-path = "src/bin/regen_parse.rs"
-
-[[bin]]
-name = "regen_parse_tables"
-path = "src/bin/regen_parse_tables.rs"
-
-[[bin]]
-name = "regen_tokenize"
-path = "src/bin/regen_tokenize.rs"
-
-[[bin]]
-name = "regen_v3"
-path = "src/bin/regen_v3.rs"
-
-[[bin]]
-name = "self_host_fixed_point"
-path = "src/bin/self_host_fixed_point.rs"
-
-# R1C-E — `ExecuteCommand` logical child for T-Emit `.dag` `TestClaim` wrappers.
-# Subcommands wrap `v3_compiler::r1c_e_gates::check_*` so the host `#[test]`
-# harness and the `.dag`-driven gate share one implementation.
-[[bin]]
-name = "boundary_emit_gates"
-path = "src/bin/boundary_emit_gates.rs"
-
-[[bin]]
-name = "r1c_e_emit_gates"
-path = "src/bin/r1c_e_emit_gates.rs"
diff --git a/src/v3/compiler/benches/tier3_baseline.json b/src/v3/compiler/benches/tier3_baseline.json
deleted file mode 100644
index 51314de2e96..00000000000
--- a/src/v3/compiler/benches/tier3_baseline.json
+++ /dev/null
@@ -1,37 +0,0 @@
-{
-  "$schema": "C1 Phase 1 baseline format v1",
-  "captured_on": {
-    "host_id": "local-pr2702-phase1-38e365a05571",
-    "git_sha": "fbafcc8d38b55dbf9343a5946bc7085705bad401",
-    "criterion_version": "0.5",
-    "rustc_version": "rustc 1.93.0 (254b59607 2026-01-19)",
-    "captured_at": "2026-05-11T20:33:04Z"
-  },
-  "mirror_groups": {
-    "computation": {
-      "claim": "tier3_computation_mirror_perf_within_budget",
-      "benches": [
-        {
-          "name": "tier3_computation_positive_descent_count",
-          "median_ns": 14,
-          "p99_ns": 22
-        },
-        {
-          "name": "tier3_computation_lower_same_argument_call",
-          "median_ns": 4,
-          "p99_ns": 8
-        }
-      ]
-    },
-    "effect_carrier": {
-      "claim": "tier3_effect_carrier_mirror_perf_within_budget",
-      "benches": [
-        {
-          "name": "tier3_effects_lane2_linear_read_chain",
-          "median_ns": 6,
-          "p99_ns": 12
-        }
-      ]
-    }
-  }
-}
diff --git a/src/v3/compiler/benches/tier3_fixtures/README.md b/src/v3/compiler/benches/tier3_fixtures/README.md
deleted file mode 100644
index 63545501d2b..00000000000
--- a/src/v3/compiler/benches/tier3_fixtures/README.md
+++ /dev/null
@@ -1,7 +0,0 @@
-# Tier-3 mirror perf fixtures (C1)
-
-Phase 1 benchmarks in `../tier3_mirror_perf.rs` currently use **inline**
-deterministic inputs (Peano depth 32, fixed `DescentEvidence` variants, a small
-linear idempotent workflow). Shared corpus files for stricter like-for-like
-Phase 1 vs Phase 2 comparison land when the Evaluator-backed bench harness
-(`tier3_eval_perf.rs`, worker brief deliverable 2) is authored.
diff --git a/src/v3/compiler/benches/tier3_mirror_perf.rs b/src/v3/compiler/benches/tier3_mirror_perf.rs
deleted file mode 100644
index 80a21cb93f0..00000000000
--- a/src/v3/compiler/benches/tier3_mirror_perf.rs
+++ /dev/null
@@ -1,76 +0,0 @@
-//! Phase 1 — hand-Rust Tier-3 mirror timing (C1 perf-budget worker toward
-//! `tier3_mirror_dissolution_perf_within_budget`).
-//!
-//! Tracks the historical four-slice mirror dissolution program in
-//! `docs/briefs/r3-pb-tier3-perf-budget-worker.md`; active Phase-1 benches cover
-//! the remaining computation / effect-carrier mirrors after termination and
-//! induction retirement. See that brief for thresholds (≤2× median, ≤5× p99)
-//! and Phase 1 / Phase 2 split.
-//!
-//! **Frozen baseline** (`tier3_baseline.json` alongside this bench): Phase-1
-//! committed median + p99 (ns) per budgeted `bench_function` (regen via
-//! ``scripts/aggregate_tier3_baseline.py`` + procedure at
-//! `docs/audit/c1-tier3-baseline-capture-procedure.md`). Ubicloud canonical
-//! recapture uses `.github/workflows/tier3-baseline-capture.yml` (diff against
-//! the committed JSON; baseline updates land only through PR).
-
-use criterion::{black_box, criterion_group, criterion_main, Criterion};
-use v3_compiler::dag::WorkflowEffect;
-use v3_compiler::dag::{
-    lower_call_pattern, positive_amount_from_i64, positive_descent_count, CallPattern, CallableRef,
-    HttpMethodScalar, InputField, Operation, PathTemplate, RestEndpointBinding,
-};
-use v3_compiler::lane2_workflow_idempotency_report;
-use v3_compiler::Dag;
-
-fn bench_computation_mirror(c: &mut Criterion) {
-    let steps = positive_amount_from_i64(32).expect("fixture Peano depth");
-    c.bench_function("tier3_computation_positive_descent_count", |bencher| {
-        bencher.iter(|| black_box(positive_descent_count(black_box(&steps))));
-    });
-
-    c.bench_function("tier3_computation_lower_same_argument_call", |bencher| {
-        bencher.iter(|| {
-            black_box(lower_call_pattern(black_box(CallPattern::SameArgumentCall)));
-        });
-    });
-}
-
-fn bench_effect_carrier_mirror(c: &mut Criterion) {
-    let dag = Dag::new();
-    let callable = dag
-        .declaration_by_name("get_method")
-        .expect("bootstrap should provide get_method declaration")
-        .id;
-    let read_op = Operation {
-        callable: CallableRef { decl: callable },
-        inputs: std::collections::BTreeMap::<String, InputField>::new(),
-        endpoint: RestEndpointBinding {
-            method: HttpMethodScalar::Get,
-            path: PathTemplate { tokens: vec![] },
-        },
-    };
-    let workflow = WorkflowEffect::LinearEffect {
-        ops: vec![
-            read_op.clone(),
-            read_op.clone(),
-            read_op.clone(),
-            read_op.clone(),
-        ],
-    };
-    c.bench_function("tier3_effects_lane2_linear_read_chain", |bencher| {
-        bencher.iter(|| {
-            black_box(lane2_workflow_idempotency_report(
-                black_box(&dag),
-                black_box(&workflow),
-            ))
-        });
-    });
-}
-
-criterion_group!(
-    tier3_mirror_phase1,
-    bench_computation_mirror,
-    bench_effect_carrier_mirror
-);
-criterion_main!(tier3_mirror_phase1);
diff --git a/src/v3/compiler/build.rs b/src/v3/compiler/build.rs
deleted file mode 100644
index 2575b641cd1..00000000000
--- a/src/v3/compiler/build.rs
+++ /dev/null
@@ -1,716 +0,0 @@
-// Build script: enumerate every `*.dag` file in the v3-only staged
-// directories and generate Rust arrays of `(path, content)` pairs
-// the bootstrap loader consumes.
-//
-// Generated arrays:
-//   - `STAGED_FILES`          for `src/v3/std/*.dag`
-//   - `V3_SPECS`              for `src/v3/spec/*.dag`
-//   - `COMPILER_FILES`        for `src/v3/compiler/*.dag` (except `tokenize.dag`; see below)
-//
-// Adding a new staged std/spec/compiler file becomes a pure file-system change
-// — no Rust edits to `bootstrap.rs`, no fixture-array maintenance, no skip-list drift.
-//
-// **Why a build script.** The pre-unwind shape used hardcoded
-// `const RUST_DAG: &str = include_str!("../../spec/rust.dag");`
-// constants in `bootstrap.rs`. PR #445 review flagged this as a
-// duplicate-authority bug: the on-disk spec files and the Rust
-// fixture array are two parallel representations of the same set,
-// and adding a new target requires editing both. This script
-// removes the parallel representation by deriving the arrays from
-// the staged directories.
-//
-// **Load order.** The v3 lowerer doesn't strictly enforce import
-// resolution at M1(3), but later spec files that reference
-// declarations from earlier ones (e.g. rust.dag importing v3_l1's
-// `Bind` marker) must follow them in load order. The script
-// hardcodes one rule: `v3_l1.dag` (the substrate marker file)
-// loads first; everything else follows in alphabetical order. The
-// rule is the only special case because v3_l1 is the file every
-// per-target spec depends on. If a future spec file introduces a
-// dependency that needs sorting, this script grows a topological
-// pass; until then, the simple rule is sufficient.
-//
-// Staged `src/v3/std/*.dag` additionally uses a small rank list
-// (`list.dag`, `substrate*.dag`, …). Among files sharing the default rank, load order
-// breaks ties using **`import v3.std.*` edges** parsed from each staged `.dag` plus a tiny
-// [`V3_STD_BOOTSTRAP_STAGING_PRECEDES`] table for bootstrap-only holes (see
-// `collect_std_staging_dependency_edges`). Dissolution: host-side full import-graph topo when the
-// staged slice can consume the real `std` module graph without SCCs.
-//
-// **Output**: writes three Rust files:
-//
-//   pub static STAGED_FILES: &[(&str, &str)] = &[
-//       ("src/v3/std/list.dag", include_str!("...")),
-//   ];
-//
-//   pub static V3_SPECS: &[(&str, &str)] = &[
-//       ("src/v3/spec/v3_l1.dag", include_str!("...")),
-//       ("src/v3/spec/rust.dag",  include_str!("...")),
-//   ];
-//
-//   pub static COMPILER_FILES: &[(&str, &str)] = &[
-//       ("src/v3/compiler/pipeline.dag", include_str!("...")),
-//   ];
-//   `tokenize.dag` is intentionally omitted: tokenizer authority for `regen_tokenize`
-//   must not be folded into the bootstrap Dag (duplicate declarations when
-//   `compile_to_dag` parses that authority standalone on top of `Dag::new()`'s
-//   bootstrapped clone). `src/v3/std/parse_surface.dag` stays in the bundle so the
-//   production substrate matches the staged std surface; `regen_parse` and staging
-//   tests compile it via `compile_parse_surface_std_authority_dag` in
-//   `src/v3/compiler/src/lib.rs`, which boots from a clone that omits that staged
-//   fixture to avoid the duplicate-name path.
-//
-// `bootstrap.rs` uses `include!(concat!(env!("OUT_DIR"), ...))` to
-// pull the arrays in. The `include_str!` calls inside the generated
-// files resolve at compile time against absolute paths, so the
-// runtime is still hermetic — no filesystem access at `Dag::new()`
-// time.
-
-use std::cmp::Ordering;
-use std::collections::{BTreeSet, HashMap, HashSet};
-use std::env;
-use std::fs;
-use std::path::{Path, PathBuf};
-
-/// Bootstrap-only `(must_precede, importer)` edges among `src/v3/std/*.dag` that are **not**
-/// expressed as `import v3.std.*` lines but are still load-order facts for PB-1:
-///
-/// - `induction.dag` imports `std.algebra` / `std.computation` / `std.termination` without a
-///   `v3.std.*` surface — without these edges, Kahn can emit `induction.dag` before `algebra.dag`
-///   while `algebra.dag` still waits on `lookup.dag` (`UnknownCost` / `ConstantCost` in the
-///   bootstrap snapshot).
-/// - `t_ci_workflow_as_data_demo.dag` imports `v3.std.timing_lens` — `timing_lens.dag` must lower
-///   first so gate #58 witness rows type-check.
-///
-/// **Why not scan every `import std.*` line:** mirroring the full `std` module graph inside this
-/// slice creates SCCs that strand `timing_lens.dag` / `t_ci_workflow_as_data_demo.dag` in the
-/// lexical Kahn leftover bucket (`t_ci` `<` `timing_lens` breaks gate #58). Dissolution: host-side
-/// full import-graph topo once the staged slice can consume the real graph without SCCs.
-const V3_STD_BOOTSTRAP_STAGING_PRECEDES: &[(&str, &str)] = &[
-    ("algebra.dag", "induction.dag"),
-    ("computation.dag", "induction.dag"),
-    ("termination.dag", "induction.dag"),
-    ("timing_lens.dag", "t_ci_workflow_as_data_demo.dag"),
-];
-
-/// For `src/v3/std` only: scan each staged `.dag` for `import v3.std.<module>` lines and merge
-/// [`V3_STD_BOOTSTRAP_STAGING_PRECEDES`] when both endpoints exist.
-fn collect_std_staging_dependency_edges(entries: &[PathBuf]) -> Vec<(String, String)> {
-    let names: HashSet<String> = entries
-        .iter()
-        .filter_map(|p| p.file_name().and_then(|s| s.to_str()).map(String::from))
-        .collect();
-    let mut out = Vec::new();
-    for path in entries {
-        let Some(name) = path.file_name().and_then(|s| s.to_str()) else {
-            continue;
-        };
-        let Ok(src) = fs::read_to_string(path) else {
-            continue;
-        };
-        for line in src.lines() {
-            let t = line.trim_start();
-            let Some(rest) = t.strip_prefix("import v3.std.") else {
-                continue;
-            };
-            let mod_suffix = rest.split([' ', '{']).next().unwrap_or("");
-            if mod_suffix.is_empty() {
-                continue;
-            }
-            let dep_file = format!("{mod_suffix}.dag");
-            if dep_file == name || !names.contains(&dep_file) {
-                continue;
-            }
-            out.push((dep_file, name.to_string()));
-        }
-    }
-    for &(dep, importer) in V3_STD_BOOTSTRAP_STAGING_PRECEDES {
-        if names.contains(dep) && names.contains(importer) {
-            out.push((dep.to_string(), importer.to_string()));
-        }
-    }
-    out
-}
-
-/// `edges` are `(must_precede, dependent)` file names: `must_precede` must sort before `dependent`.
-///
-/// Returns a total rank per staged file name so `sort_by` can compare by integer index (Kahn
-/// topological order with lexical tie-break among ready nodes). Reachability-only `cmp` is not a
-/// strict weak order and can panic Rust's sort — see PR #2827 review.
-fn std_v3_import_topo_ranks(
-    names: &[String],
-    edges: &[(String, String)],
-) -> HashMap<String, usize> {
-    let name_set: HashSet<&str> = names.iter().map(String::as_str).collect();
-    let unique_edges: HashSet<(String, String)> = edges.iter().cloned().collect();
-    let mut adj: HashMap<String, Vec<String>> = HashMap::new();
-    let mut in_degree: HashMap<String, usize> = HashMap::new();
-    for n in names {
-        in_degree.insert(n.clone(), 0);
-    }
-    for (d, u) in unique_edges {
-        if d == u {
-            continue;
-        }
-        if name_set.contains(d.as_str()) && name_set.contains(u.as_str()) {
-            adj.entry(d.clone()).or_default().push(u.clone());
-            *in_degree.get_mut(&u).expect("u is a staged name") += 1;
-        }
-    }
-    let mut ready = BTreeSet::<String>::new();
-    for n in names {
-        if *in_degree.get(n).unwrap_or(&0) == 0 {
-            ready.insert(n.clone());
-        }
-    }
-    let mut order = Vec::<String>::new();
-    let mut placed = HashSet::<String>::new();
-    while let Some(n) = ready.iter().next().cloned() {
-        ready.remove(&n);
-        if !placed.insert(n.clone()) {
-            continue;
-        }
-        order.push(n.clone());
-        if let Some(succs) = adj.get(&n) {
-            for succ in succs {
-                let deg = in_degree
-                    .get_mut(succ)
-                    .expect("edge target is a staged name");
-                *deg -= 1;
-                if *deg == 0 {
-                    ready.insert(succ.clone());
-                }
-            }
-        }
-    }
-    let mut leftover: Vec<String> = names
-        .iter()
-        .filter(|n| !placed.contains(*n))
-        .cloned()
-        .collect();
-    leftover.sort();
-    order.extend(leftover);
-    order.into_iter().enumerate().map(|(i, n)| (n, i)).collect()
-}
-
-fn collect_dag_entries(
-    dir: &Path,
-    prioritized: &[&str],
-    scan_std_v3_import_edges: bool,
-) -> Vec<PathBuf> {
-    collect_dag_entries_impl(dir, prioritized, false, scan_std_v3_import_edges)
-}
-
-fn collect_dag_entries_recursive(dir: &Path, prioritized: &[&str]) -> Vec<PathBuf> {
-    collect_dag_entries_impl(dir, prioritized, true, false)
-}
-
-fn collect_dag_entries_impl(
-    dir: &Path,
-    prioritized: &[&str],
-    recursive: bool,
-    scan_std_v3_import_edges: bool,
-) -> Vec<PathBuf> {
-    let mut entries = Vec::new();
-    let mut dirs = vec![dir.to_path_buf()];
-
-    while let Some(current_dir) = dirs.pop() {
-        let mut child_dirs = Vec::new();
-        for entry in fs::read_dir(&current_dir)
-            .unwrap_or_else(|e| panic!("failed to read {}: {}", current_dir.display(), e))
-        {
-            let entry = entry.unwrap_or_else(|e| {
-                panic!(
-                    "failed to read dir entry in {}: {}",
-                    current_dir.display(),
-                    e
-                )
-            });
-            let path = entry.path();
-            if path.is_dir() {
-                if recursive {
-                    child_dirs.push(path);
-                }
-                continue;
-            }
-            if path.extension().and_then(|s| s.to_str()) == Some("dag") {
-                entries.push(path);
-            }
-        }
-        child_dirs.sort();
-        for child_dir in child_dirs.into_iter().rev() {
-            dirs.push(child_dir);
-        }
-    }
-
-    let import_edges_storage: Vec<(String, String)> =
-        if scan_std_v3_import_edges && !recursive && !entries.is_empty() {
-            collect_std_staging_dependency_edges(&entries)
-        } else {
-            Vec::new()
-        };
-
-    let import_topo_ranks: HashMap<String, usize> =
-        if scan_std_v3_import_edges && !import_edges_storage.is_empty() {
-            let names: Vec<String> = entries
-                .iter()
-                .filter_map(|p| p.file_name().and_then(|s| s.to_str()).map(String::from))
-                .collect();
-            std_v3_import_topo_ranks(&names, &import_edges_storage)
-        } else {
-            HashMap::new()
-        };
-
-    entries.sort_by(|a, b| {
-        let staged_file_rank = |path: &Path| -> usize {
-            let name = path.file_name().and_then(|s| s.to_str()).unwrap_or("");
-            prioritized
-                .iter()
-                .position(|candidate| *candidate == name)
-                .unwrap_or(prioritized.len())
-        };
-        let ra = staged_file_rank(a);
-        let rb = staged_file_rank(b);
-        match ra.cmp(&rb) {
-            Ordering::Equal => {
-                let name_a = a.file_name().and_then(|s| s.to_str()).unwrap_or("");
-                let name_b = b.file_name().and_then(|s| s.to_str()).unwrap_or("");
-                let import_cmp = if import_topo_ranks.is_empty() {
-                    Ordering::Equal
-                } else {
-                    let ra = import_topo_ranks.get(name_a).copied().unwrap_or(usize::MAX);
-                    let rb = import_topo_ranks.get(name_b).copied().unwrap_or(usize::MAX);
-                    ra.cmp(&rb)
-                };
-                match import_cmp {
-                    Ordering::Equal => name_a.cmp(name_b).then_with(|| {
-                        a.strip_prefix(dir)
-                            .unwrap_or(a)
-                            .display()
-                            .to_string()
-                            .cmp(&b.strip_prefix(dir).unwrap_or(b).display().to_string())
-                    }),
-                    ord => ord,
-                }
-            }
-            ord => ord,
-        }
-    });
-
-    entries
-}
-
-/// Escape `body` so it can replace a `*_SPLICE_V1` placeholder inside a `.dag` double-quoted
-/// `TestClaim.source` literal (R1 gate fixture hygiene; see `emit_r1_gates_fixture`).
-fn escape_dag_double_quoted_body(body: &str) -> String {
-    let mut out = String::with_capacity(body.len() + 8);
-    for ch in body.chars() {
-        match ch {
-            '\\' => out.push_str("\\\\"),
-            '"' => out.push_str("\\\""),
-            '\n' => out.push_str("\\n"),
-            '\r' => out.push_str("\\r"),
-            '\t' => out.push_str("\\t"),
-            c => out.push(c),
-        }
-    }
-    out
-}
-
-/// Emit `tests/fixtures/r1_gates.dag` from `r1_gates.template.dag` + canonical lens and `.v3`
-/// program text.
-///
-/// **Hygiene:** `r1_gates.dag` is tracked in git but produced here so the spliced lens stays
-/// byte-identical to `src/v3/lenses/named_function_count.dag`, and Lane E `TestClaim.source`
-/// strings are spliced from canonical `.v3` fixtures (single authority; INVARIANTS P2).
-/// Hand-edit **`r1_gates.template.dag`** only — direct edits to `r1_gates.dag` are overwritten
-/// on the next `cargo build`. We skip `fs::write` when the generated bytes are unchanged to
-/// avoid spurious working-tree noise.
-fn emit_r1_gates_fixture(manifest_path: &Path, v3_dir: &Path) {
-    /// Must appear exactly once in `r1_gates.template.dag` (inside the `user_authored_lens_compiles` `source:` line).
-    const LENS_SPLICE_SENTINEL: &str = "R1_NAMED_FUNCTION_COUNT_LENS_SPLICE_V1";
-    /// May appear multiple times (each `TestClaim.source` that embeds merge-sort gets the same bytes).
-    const MERGE_SORT_PAIR_V3_SPLICE: &str = "R1_MERGE_SORT_PAIR_V3_SPLICE_V1";
-    const LANE_E_DIFF_WITNESS_V3_SPLICE: &str = "R1_LANE_E_DIFFERENTIAL_WITNESS_V3_SPLICE_V1";
-
-    let fixtures_dir = manifest_path.join("tests/fixtures");
-    let template_path = fixtures_dir.join("r1_gates.template.dag");
-    let lens_path = v3_dir.join("lenses/named_function_count.dag");
-    let merge_sort_pair_v3 = fixtures_dir.join("r1_merge_sort_pair.v3");
-    let lane_e_diff_witness_v3 = fixtures_dir.join("r1_lane_e_differential_witness.v3");
-    let out_path = fixtures_dir.join("r1_gates.dag");
-
-    println!("cargo:rerun-if-changed={}", template_path.display());
-    for p0_script in [
-        manifest_path.join("tests/fixtures/host/r1_p0_no_fabrication_sentinel.sh"),
-        manifest_path.join("tests/fixtures/host/r1_p0_rest_ops_aligned.py"),
-    ] {
-        println!("cargo:rerun-if-changed={}", p0_script.display());
-    }
-    println!("cargo:rerun-if-changed={}", lens_path.display());
-    println!("cargo:rerun-if-changed={}", merge_sort_pair_v3.display());
-    println!(
-        "cargo:rerun-if-changed={}",
-        lane_e_diff_witness_v3.display()
-    );
-
-    let template = fs::read_to_string(&template_path).unwrap_or_else(|e| {
-        panic!(
-            "failed to read R1 gate template {}: {}",
-            template_path.display(),
-            e
-        )
-    });
-    let lens = fs::read_to_string(&lens_path).unwrap_or_else(|e| {
-        panic!(
-            "failed to read canonical lens {}: {}",
-            lens_path.display(),
-            e
-        )
-    });
-    let merge_sort_pair_src = fs::read_to_string(&merge_sort_pair_v3).unwrap_or_else(|e| {
-        panic!(
-            "failed to read R1 merge-sort pair fixture {}: {}",
-            merge_sort_pair_v3.display(),
-            e
-        )
-    });
-    let lane_e_diff_src = fs::read_to_string(&lane_e_diff_witness_v3).unwrap_or_else(|e| {
-        panic!(
-            "failed to read R1 Lane E differential witness fixture {}: {}",
-            lane_e_diff_witness_v3.display(),
-            e
-        )
-    });
-
-    let lens_count = template.matches(LENS_SPLICE_SENTINEL).count();
-    if lens_count != 1 {
-        panic!(
-            "{} must contain exactly one `{LENS_SPLICE_SENTINEL}` for named_function_count lens (found {lens_count})",
-            template_path.display()
-        );
-    }
-    let merge_count = template.matches(MERGE_SORT_PAIR_V3_SPLICE).count();
-    if merge_count < 1 {
-        panic!(
-            "{} must contain at least one `{MERGE_SORT_PAIR_V3_SPLICE}` (spliced into every Lane E claim that embeds merge-sort; found {merge_count})",
-            template_path.display()
-        );
-    }
-    let diff_count = template.matches(LANE_E_DIFF_WITNESS_V3_SPLICE).count();
-    if diff_count != 1 {
-        panic!(
-            "{} must contain exactly one `{LANE_E_DIFF_WITNESS_V3_SPLICE}` for r1_lane_e_differential_witness.v3 (found {diff_count})",
-            template_path.display()
-        );
-    }
-
-    let mut generated =
-        template.replace(LENS_SPLICE_SENTINEL, &escape_dag_double_quoted_body(&lens));
-    generated = generated.replace(
-        MERGE_SORT_PAIR_V3_SPLICE,
-        &escape_dag_double_quoted_body(&merge_sort_pair_src),
-    );
-    generated = generated.replace(
-        LANE_E_DIFF_WITNESS_V3_SPLICE,
-        &escape_dag_double_quoted_body(&lane_e_diff_src),
-    );
-    let needs_write = match fs::read_to_string(&out_path) {
-        Ok(existing) => existing != generated,
-        Err(_) => true,
-    };
-    if needs_write {
-        fs::write(&out_path, generated).unwrap_or_else(|e| {
-            panic!(
-                "failed to write generated R1 gate fixture {}: {}",
-                out_path.display(),
-                e
-            )
-        });
-    }
-}
-
-/// Emit `dsl/std/render_repeat_string_bootstrap.dag` from the excerpt between
-/// `GUNBC_BOOTSTRAP_EMIT_BEGIN` / `GUNBC_BOOTSTRAP_EMIT_END` in `dsl/std/render.dag`.
-///
-/// **Hygiene:** `repeat_string` exists in the bootstrap bundle only via this excerpt — no
-/// hand-maintained duplicate of `render.dag` (INVARIANTS P2). Edit the marked region in
-/// `render.dag` only; this output is overwritten on `cargo build -p v3-compiler`.
-fn emit_render_repeat_string_bootstrap(repo_root: &Path) {
-    const BEGIN: &str = "// GUNBC_BOOTSTRAP_EMIT_BEGIN\n";
-    const END: &str = "// GUNBC_BOOTSTRAP_EMIT_END";
-    let render_path = repo_root.join("dsl/std/render.dag");
-    let out_path = repo_root.join("dsl/std/render_repeat_string_bootstrap.dag");
-    println!("cargo:rerun-if-changed={}", render_path.display());
-    let render_src = fs::read_to_string(&render_path).unwrap_or_else(|e| {
-        panic!(
-            "emit_render_repeat_string_bootstrap: read {}: {e}",
-            render_path.display()
-        )
-    });
-    let start = render_src.find(BEGIN).unwrap_or_else(|| {
-        panic!(
-            "{}: missing `{}` marker line",
-            render_path.display(),
-            BEGIN.trim_end()
-        )
-    });
-    let inner_start = start + BEGIN.len();
-    let end_rel = render_src[inner_start..].find(END).unwrap_or_else(|| {
-        panic!(
-            "{}: missing `{END}` after begin marker",
-            render_path.display()
-        )
-    });
-    let excerpt = render_src[inner_start..inner_start + end_rel].trim_end();
-    let generated = format!(
-        "// AUTO-GENERATED by src/v3/compiler/build.rs. Do not hand-edit.\n\
-         //\n\
-         // Source: excerpt between GUNBC_BOOTSTRAP_EMIT_BEGIN/END in dsl/std/render.dag.\n\
-         // Single substrate slice for repeat_string in the bootstrap bundle (INVARIANTS P2).\n\
-         // Regenerated when render.dag changes. Dissolution: full render.dag in bootstrap.\n\
-         \n\
-         module std.render_repeat_string_bootstrap\n\
-         \n\
-         {excerpt}\n"
-    );
-    match fs::read_to_string(&out_path) {
-        Ok(existing) if existing == generated => {}
-        _ => fs::write(&out_path, generated).unwrap_or_else(|e| {
-            panic!(
-                "emit_render_repeat_string_bootstrap: write {}: {e}",
-                out_path.display()
-            )
-        }),
-    }
-}
-
-fn generate_static(
-    static_name: &str,
-    dir_label: &str,
-    display_prefix: &str,
-    base_dir: &Path,
-    entries: &[PathBuf],
-) -> String {
-    let mut generated = format!(
-        "// AUTO-GENERATED by build.rs. Do not edit.\n\
-         //\n\
-         // Files enumerated from {dir_label}/*.dag. Adding a new\n\
-         // staged file is a pure file-system change.\n\
-         pub static {static_name}: &[(&str, &str)] = &[\n"
-    );
-    for path in entries {
-        let relative_path = path
-            .strip_prefix(base_dir)
-            .unwrap_or_else(|_| panic!("{} is not under {}", path.display(), base_dir.display()));
-        let display_path = format!("{display_prefix}/{}", relative_path.display());
-        let abs_path = path
-            .canonicalize()
-            .unwrap_or_else(|e| panic!("failed to canonicalize {}: {}", path.display(), e));
-        generated.push_str(&format!(
-            "    (\"{}\", include_str!(\"{}\")),\n",
-            display_path,
-            abs_path.display()
-        ));
-    }
-    generated.push_str("];\n");
-    generated
-}
-
-fn main() {
-    // Resolve the staged directories relative to CARGO_MANIFEST_DIR
-    // (which points at src/v3/compiler/). std/ and spec/ live one
-    // level up; compiler-staged files live in the manifest dir itself.
-    let manifest_dir =
-        env::var("CARGO_MANIFEST_DIR").expect("CARGO_MANIFEST_DIR must be set by Cargo");
-    let manifest_path = PathBuf::from(&manifest_dir);
-    let v3_dir = manifest_path.parent().expect("compiler dir has parent");
-    emit_r1_gates_fixture(&manifest_path, v3_dir);
-    let src_dir = v3_dir.parent().expect("v3 dir has parent");
-    let repo_root = src_dir.parent().expect("src dir has parent");
-    emit_render_repeat_string_bootstrap(repo_root);
-    let std_dir = v3_dir.join("std");
-    let spec_dir = v3_dir.join("spec");
-    let compiler_dir = manifest_path.clone();
-    let extdeps_dir = repo_root.join("dsl").join("extdeps");
-    let gunbc_dir = repo_root.join("dsl").join("gunbc");
-    let dsl_std_dir = repo_root.join("dsl").join("std");
-
-    // Tell Cargo to re-run the script if any staged std/spec/compiler file
-    // changes. Without this, adding a new file wouldn't trigger a
-    // rebuild and bootstrap would silently miss it.
-    println!("cargo:rerun-if-changed={}", spec_dir.display());
-    println!("cargo:rerun-if-changed={}", std_dir.display());
-    println!("cargo:rerun-if-changed={}", compiler_dir.display());
-    println!("cargo:rerun-if-changed={}", extdeps_dir.display());
-    println!("cargo:rerun-if-changed={}", gunbc_dir.display());
-    println!("cargo:rerun-if-changed={}", dsl_std_dir.display());
-
-    // Structural-recursion termination analysis walks a recursing
-    // argument back to its declared Disj connective (see
-    // `structural_binding_info_for_variant` in `lower.rs`). The walk
-    // only succeeds after the declaring file has been phase-2 lowered,
-    // so `std/list.dag` (declares `List<element> = Empty | Cons {...}`)
-    // and `std/substrate.dag` (declares `Behavior = Value | Transform
-    // | Branch | Loop | Bind`) must land before any sibling std file
-    // that recursively descends over those variants. Without this
-    // priority list, alphabetical order puts `algebra.dag` and
-    // `dimensions.dag` ahead of `list.dag`/`substrate.dag`, and their
-    // recursive helpers fail termination against placeholder
-    // connectives.
-    // `substrate_minimal` + `effects` before full `substrate` so `substrate.dag`
-    // can import `WorkflowEffect` for reflected `lane2_workflow` without a
-    // module cycle (`effects` still needs `PortId` / list primitives first).
-    let staged_entries = collect_dag_entries(
-        &std_dir,
-        &[
-            "list.dag",
-            "substrate_minimal.dag",
-            "effects.dag",
-            "substrate.dag",
-            // `emit_model.dag` / per-target `*_method_template_contracts.dag` rows
-            // reference `MethodRef` from `methods.dag`. Alphabetical staging would
-            // process `go_method_template_contracts.dag` before `methods.dag` (g < m),
-            // leaving `MethodRef` as an identifier stub during structural lowering of
-            // `dag_method: { decl: … }` — `walk_to_conj_decl` then fails closed. Rust and
-            // Python fixtures happen to load after `methods.dag` and were unaffected.
-            "methods.dag",
-        ],
-        true,
-    );
-    let spec_entries = collect_dag_entries(&spec_dir, &["v3_l1.dag"], false);
-    let mut compiler_entries = collect_dag_entries(&compiler_dir, &["pipeline.dag"], false);
-    // `tokenize.dag` is SG-1 tokenizer authority consumed by `regen_tokenize`; it is
-    // stripped from the runtime bootstrap bundle — see COMPILER_FILES header.
-    // `parse_tables.dag` is SG-2c-1 grammar-tables authority consumed by
-    // `regen_parse_tables`; same exclusion rationale — `compile_to_dag` parses it
-    // standalone at regen time, so bundling it into the bootstrap Dag would create
-    // duplicate-declaration diagnostics.
-    compiler_entries.retain(|p| {
-        p.file_name()
-            .and_then(|s| s.to_str())
-            .map(|n| n != "tokenize.dag" && n != "parse_tables.dag")
-            .unwrap_or(true)
-    });
-    let extdeps_entries = collect_dag_entries_recursive(&extdeps_dir, &[]);
-    let gunbc_entries = collect_dag_entries_recursive(&gunbc_dir, &[]);
-    let staged_generated = generate_static(
-        "STAGED_FILES",
-        "src/v3/std",
-        "src/v3/std",
-        &std_dir,
-        &staged_entries,
-    );
-    let specs_generated = generate_static(
-        "V3_SPECS",
-        "src/v3/spec",
-        "src/v3/spec",
-        &spec_dir,
-        &spec_entries,
-    );
-    let compiler_generated = generate_static(
-        "COMPILER_FILES",
-        "src/v3/compiler",
-        "src/v3/compiler",
-        &compiler_dir,
-        &compiler_entries,
-    );
-    let extdeps_generated = generate_static(
-        "EXTDEPS_FILES",
-        "dsl/extdeps",
-        "dsl/extdeps",
-        &extdeps_dir,
-        &extdeps_entries,
-    );
-    let gunbc_generated = generate_static(
-        "GUNBC_FILES",
-        "dsl/gunbc",
-        "dsl/gunbc",
-        &gunbc_dir,
-        &gunbc_entries,
-    );
-    let out_dir = env::var("OUT_DIR").expect("OUT_DIR must be set by Cargo");
-    let out_dir = Path::new(&out_dir);
-    let staged_out = out_dir.join("v3_staged_files.rs");
-    fs::write(&staged_out, staged_generated)
-        .unwrap_or_else(|e| panic!("failed to write {}: {}", staged_out.display(), e));
-    let specs_out = out_dir.join("v3_specs.rs");
-    fs::write(&specs_out, specs_generated)
-        .unwrap_or_else(|e| panic!("failed to write {}: {}", specs_out.display(), e));
-    let compiler_out = out_dir.join("v3_compiler_files.rs");
-    fs::write(&compiler_out, compiler_generated)
-        .unwrap_or_else(|e| panic!("failed to write {}: {}", compiler_out.display(), e));
-    // SG-0 producer-owned generated manifest. The census at
-    // `tests/integration/sg0_census_test.rs` reads this list as the
-    // sole authority for "which .rs files under src/v3/compiler are
-    // generated." Every codegen driver or checked-in generator output
-    // must be represented here so generated Rust never drifts back into
-    // the hand-authored census.
-    //
-    // The manifest lives only in OUT_DIR — it is ephemeral,
-    // reconstructed every build from this list. A hand-edited
-    // manifest file is clobbered on the next `cargo build`; the
-    // spoof surface collapses to this `REGEN_OUTPUTS` literal,
-    // reviewed alongside any real producer change.
-    //
-    // Paths are workspace-relative and sorted for determinism.
-    const REGEN_OUTPUTS: &[&str] = &[
-        "src/v3/compiler/src/bootstrap_generated.rs",
-        "src/v3/compiler/src/bootstrap_generated_without_parse_surface.rs",
-        "src/v3/compiler/src/bootstrap_std_generated.rs",
-        // SG-5 substrate / runtime-mirror projections, generated from
-        // `src/v3/std/substrate.dag` + `src/v3/std/parse_surface.dag`
-        // and consumed by hand-authored Rust via `include!(...)`.
-        // Registering them here keeps SG-0's census honest: they carry
-        // `// AUTO-GENERATED` headers AND are listed as producer-owned
-        // outputs, so the content header alone never masquerades as
-        // generated (SG-0's `sg0_generated_partition_is_producer_owned`
-        // invariant).
-        "src/v3/compiler/src/dag_branch_generated.rs",
-        "src/v3/compiler/src/dag_cluster_generated.rs",
-        "src/v3/compiler/src/dag_lookup_generated.rs",
-        "src/v3/compiler/src/dag_cost_generated.rs",
-        "src/v3/compiler/src/dag_scalar_generated.rs",
-        "src/v3/compiler/src/dag_value_body_generated.rs",
-        "src/v3/compiler/src/diagnostics_generated.rs",
-        "src/v3/compiler/src/infer_helpers_generated.rs",
-        "src/v3/compiler/src/complexity_lens_generated.rs",
-        "src/v3/compiler/src/cost_symbolic_lens_generated.rs",
-        "src/v3/compiler/src/lens_cost_target_realization_generated.rs",
-        "src/v3/compiler/src/lens_effect_enumeration_generated.rs",
-        "src/v3/compiler/src/lens_idempotency_generated.rs",
-        "src/v3/compiler/src/lens_parallelism_generated.rs",
-        "src/v3/compiler/src/lens_provenance_generated.rs",
-        "src/v3/compiler/src/lens_structural_resolution_generated.rs",
-        "src/v3/compiler/src/lens_unused_parameters_generated.rs",
-        "src/v3/compiler/src/lower_helpers_generated.rs",
-        "src/v3/compiler/src/operators_generated.rs",
-        "src/v3/compiler/src/parse_generated.rs",
-        "src/v3/compiler/src/parse_surface_generated.rs",
-        "src/v3/compiler/src/parse_tables_generated.rs",
-        "src/v3/compiler/src/serialize_generated.rs",
-        "src/v3/compiler/src/tokenize_generated.rs",
-        "src/v3/compiler/src/types_generated.rs",
-        "src/v3/compiler/src/variant_payload_generated.rs",
-    ];
-    let mut manifest = String::from(
-        "// AUTO-GENERATED by build.rs. Do not edit.\n\
-         //\n\
-         // Paths (workspace-relative) of every .rs file under\n\
-         // src/v3/compiler that is produced by a codegen authority.\n\
-         pub static GENERATED_FILES: &[&str] = &[\n",
-    );
-    for path in REGEN_OUTPUTS {
-        manifest.push_str(&format!("    \"{path}\",\n"));
-    }
-    manifest.push_str("];\n");
-    let manifest_out = out_dir.join("v3_generated_files.rs");
-    fs::write(&manifest_out, manifest)
-        .unwrap_or_else(|e| panic!("failed to write {}: {}", manifest_out.display(), e));
-    let extdeps_out = out_dir.join("v3_extdeps_files.rs");
-    fs::write(&extdeps_out, extdeps_generated)
-        .unwrap_or_else(|e| panic!("failed to write {}: {}", extdeps_out.display(), e));
-    let gunbc_out = out_dir.join("v3_gunbc_files.rs");
-    fs::write(&gunbc_out, gunbc_generated)
-        .unwrap_or_else(|e| panic!("failed to write {}: {}", gunbc_out.display(), e));
-}
diff --git a/src/v3/compiler/operators.dag b/src/v3/compiler/operators.dag
deleted file mode 100644
index 8043ac03354..00000000000
--- a/src/v3/compiler/operators.dag
+++ /dev/null
@@ -1,73 +0,0 @@
-module v3.compiler.operators
-
-import std.substrate { ArithmeticOp, ComparisonOp, LogicalOp, OperatorKind }
-
-fn from_symbol(symbol: String) -> OperatorKind? {
-  if symbol == "+" then Some(Arithmetic(Add))
-  else if symbol == "-" then Some(Arithmetic(Sub))
-  else if symbol == "*" then Some(Arithmetic(Mul))
-  else if symbol == "/" then Some(Arithmetic(Div))
-  else if symbol == "==" then Some(Comparison(Eq))
-  else if symbol == "!=" then Some(Comparison(Ne))
-  else if symbol == "<" then Some(Comparison(Lt))
-  else if symbol == "<=" then Some(Comparison(Le))
-  else if symbol == ">" then Some(Comparison(Gt))
-  else if symbol == ">=" then Some(Comparison(Ge))
-  else if symbol == "&&" then Some(Logical(And))
-  else if symbol == "||" then Some(Logical(Or))
-  else None
-}
-
-fn symbol(op: OperatorKind) -> String =
-  match op {
-    Arithmetic(arith) =>
-      match arith {
-        Add => "+"
-        Sub => "-"
-        Mul => "*"
-        Div => "/"
-      }
-    Comparison(comp) =>
-      match comp {
-        Eq => "=="
-        Ne => "!="
-        Lt => "<"
-        Le => "<="
-        Gt => ">"
-        Ge => ">="
-      }
-    Logical(logical) =>
-      match logical {
-        And => "&&"
-        Or => "||"
-      }
-  }
-
-fn algebra_field_name(op: OperatorKind) -> String =
-  match op {
-    Arithmetic(arith) =>
-      match arith {
-        Add => "add"
-        Sub => "sub"
-        Mul => "mul"
-        Div => "div"
-      }
-    Comparison(comp) =>
-      match comp {
-        Eq => "eq"
-        Ne => "ne"
-        Lt => "lt"
-        Le => "le"
-        Gt => "gt"
-        Ge => "ge"
-      }
-    // Logical ops map to `BooleanAlgebra` record fields in `dsl/std/algebra.dag`
-    // (`meet` / `join`), not surface spellings `and` / `or`.
-    // Single Rust projection: `operators_generated.rs` (`crate::operators::algebra_field_name`)
-    // — there is no parallel `src/operators.rs` (infer/emit both import this crate only).
-    Logical(logical) =>
-      match logical {
-        And => "meet"
-        Or => "join"
-      }
-  }
diff --git a/src/v3/compiler/parse_parser_body.txt b/src/v3/compiler/parse_parser_body.txt
deleted file mode 100644
index 4b97cfaa30d..00000000000
--- a/src/v3/compiler/parse_parser_body.txt
+++ /dev/null
@@ -1,1969 +0,0 @@
-// RESIDUAL SEMANTIC AUTHORITY — recursive-descent parse algorithm.
-// This is **parser staging**, not SG-2c closure: the Surface carrier schema lives in
-// `src/v3/std/parse_surface.dag`, the binary-operator-at-precedence-level table lives in
-// `parse_tables.dag` (SG-2c-1 grammar-tables prototype), and `regen_parse` splices this
-// fragment after the emitted `Surface*` definitions inside `parse_generated.rs`.
-//
-// **SG-2c-1 reduction (not retirement).** The per-precedence-level functions below
-// (`parse_logical_or`, `parse_logical_and`, `parse_comparison`, `parse_additive`,
-// `parse_term`) used to open-code the token → `OperatorKind` mapping in five separate
-// match blocks. That mapping is now authored as `binary_op_*` data rows in
-// `parse_tables.dag` and consumed here via `binary_op_at_level`. The SG-2c
-// `parse_primary` cluster: SG-2c-6 `PrimaryPrefixRow` + `primary_prefix_dispatch`
-// (prefix openers) and SG-2c-7 `PrimaryAtomRow` + `primary_atom_class` (int/bool/
-// string/lambda/ident atomic forms). The parser's control flow — cursor mechanics,
-// recursive descent, error recovery, span fusion — remains semantic authority in
-// this file.
-//
-// Dissolution trigger (SG-2c proper): delete this file when parse **logic** is
-// structurally `.dag`-owned (SELF_HOSTING §6 Phase 4a direct port or Phase 4b
-// grammar-as-data) and `regen_parse` emits the full module without any external
-// Rust body fragment. SG-2c proper is blocked on a named substrate capability —
-// recursive list-body emission over `List<Token>` with cursor threading — declared
-// in `src/v3/std/list.dag:13-15` ("the current compiler still lacks full structural
-// recursion + list-body emission support"). Until that lands, any `.dag` port of
-// the recursive-descent algorithm routes through a hidden Rust host layer.
-//
-
-/// Host-authored names that may appear as the sole RHS identifier of a
-/// `type T = U` **alias** even when `U` is not declared in the same module
-/// (bootstrap / prelude spellings). Keep this list conservative: expand it
-/// when integration tests surface a legitimate `type X = Builtin` alias the
-/// two-pass disambiguator mis-classified as a nullary sum.
-const PRELUDE_BARE_RHS_ALIAS_IDENTS: &[&str] = &[
-    "Bit",
-    "Bool",
-    "Char",
-    "Classical",
-    "Double",
-    "Float",
-    "Float32",
-    "Float64",
-    "Int",
-    "Int8",
-    "Int16",
-    "Int32",
-    "Int64",
-    "List",
-    "Map",
-    "Nat",
-    "Never",
-    "Str",
-    "String",
-    "Set",
-    "UInt",
-    "UInt8",
-    "UInt16",
-    "UInt32",
-    "UInt64",
-    "Unit",
-    "Vec",
-    "Void",
-    "Word8",
-    "Word16",
-    "Word32",
-    "Word64",
-];
-
-/// Build the identifier set for which a bare `type T = U` RHS must classify
-/// as [`SurfaceItem::TypeAlias`]: prelude spellings, explicit `import … { … }`
-/// names, and every `type` / `data` LHS in the module (declaration order does
-/// not matter — forward aliases to sibling types stay aliases). Local generic
-/// binders are declaration-scoped and are added only at the RHS lookahead site.
-fn collect_bare_rhs_alias_reference_idents(items: &[SurfaceItem]) -> HashSet<String> {
-    let mut out = HashSet::new();
-    for name in PRELUDE_BARE_RHS_ALIAS_IDENTS {
-        out.insert((*name).to_string());
-    }
-    for item in items {
-        match item {
-            SurfaceItem::Import { names, .. } => {
-                for n in names {
-                    out.insert(n.clone());
-                }
-            }
-            SurfaceItem::TypeRecord { name, .. }
-            | SurfaceItem::TypeSum { name, .. }
-            | SurfaceItem::TypeAlias { name, .. }
-            | SurfaceItem::TypeAtom { name, .. } => {
-                out.insert(name.clone());
-            }
-            SurfaceItem::Data { name, .. } => {
-                out.insert(name.clone());
-            }
-            _ => {}
-        }
-    }
-    out
-}
-
-pub fn parse(tokens: &[Token], file: &str) -> Result<SurfaceModule, Diagnostic> {
-    let pass1_items = {
-        let mut parser = Parser {
-            tokens,
-            pos: 0,
-            file,
-            bare_rhs_alias_reference_idents: None,
-        };
-        let mut items = Vec::new();
-        while !parser.at_eof() {
-            items.push(parser.parse_item()?);
-        }
-        items
-    };
-    let refs = collect_bare_rhs_alias_reference_idents(&pass1_items);
-    let mut parser = Parser {
-        tokens,
-        pos: 0,
-        file,
-        bare_rhs_alias_reference_idents: Some(refs),
-    };
-    let mut items = Vec::new();
-    while !parser.at_eof() {
-        items.push(parser.parse_item()?);
-    }
-    Ok(SurfaceModule { items })
-}
-
-struct Parser<'a> {
-    tokens: &'a [Token],
-    pos: usize,
-    file: &'a str,
-    /// `None` during pass 1 (bare-RHS sum disambiguation disabled). `Some` during
-    /// pass 2: a bare `type T = U` is [`SurfaceItem::TypeSum`] iff `U` is **not**
-    /// in this set (prelude + imports + module `type`/`data` LHS names).
-    bare_rhs_alias_reference_idents: Option<HashSet<String>>,
-}
-
-impl<'a> Parser<'a> {
-    fn peek(&self) -> &Token {
-        &self.tokens[self.pos]
-    }
-
-    fn bump(&mut self) -> &Token {
-        let t = &self.tokens[self.pos];
-        self.pos += 1;
-        t
-    }
-
-    fn at_eof(&self) -> bool {
-        matches!(self.peek().kind, TokenKind::Eof)
-    }
-
-    fn expect_kind(&mut self, expected: TokenKind) -> Result<Token, Diagnostic> {
-        let token = self.bump().clone();
-        if token.kind == expected {
-            Ok(token)
-        } else {
-            Err(Diagnostic::ParseError {
-                message: format!("expected {expected:?}, got {:?}", token.kind),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            })
-        }
-    }
-
-    /// Parse the next top-level item. Every surface form emits a real
-    /// `SurfaceItem` — the earlier "parser-absorbed" path was deleted
-    /// at M1(2.7) per the QW1/QW2/QW3 scaffold-honesty fix. Module,
-    /// import, and data items lower to no-ops (or declaration-only
-    /// scaffolds) at M1(2.7), but the parsed facts flow forward.
-    ///
-    /// **SG-2c-2 keyword→dispatch edge is table-owned:** which `TokenKind`
-    /// opens which item form comes from `parse_tables.dag` (`TopLevelItemKwRow`),
-    /// projected by `regen_parse_tables` into `parse_tables::top_level_item_dispatch`.
-    /// This function only maps `ItemDispatchKind` → the corresponding `parse_*_item`
-    /// entry point (control flow stays here; the keyword set is not open-coded).
-    fn parse_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let tk = &self.peek().kind;
-        match top_level_item_dispatch(tk) {
-            Some(ItemDispatchKind::Let) => self.parse_let_item(),
-            Some(ItemDispatchKind::Fn) => self.parse_fn_item(),
-            Some(ItemDispatchKind::Type) => self.parse_type_item(),
-            Some(ItemDispatchKind::Module) => self.parse_module_item(),
-            Some(ItemDispatchKind::Import) => self.parse_import_item(),
-            Some(ItemDispatchKind::Data) => self.parse_data_item(),
-            None => Err(Diagnostic::ParseError {
-                message: format!(
-                    "expected `let`, `fn`, `type`, `module`, `import`, or `data`, got {tk:?}"
-                ),
-                span: self.peek().span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-        }
-    }
-
-    /// Parse `module foo.bar.baz` into a `SurfaceItem::Module { path }`.
-    /// At M1(2.7) lowering is a no-op, but the parsed path survives
-    /// for M2 module scoping to consume.
-    fn parse_module_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let kw = self.expect_kind(TokenKind::KwModule)?;
-        let path = self.parse_dotted_path()?;
-        // The dotted path ends at the last parsed identifier; use its
-        // span's end as the item's end. `parse_dotted_path` doesn't
-        // return spans, so fall back to the current position's
-        // previous token span. The simplest correct thing: use the
-        // last token consumed by peek-1.
-        let end = self.tokens[self.pos.saturating_sub(1)].span.byte_end;
-        Ok(SurfaceItem::Module {
-            path,
-            span: SourceSpan::new(self.file, kw.span.byte_start, end),
-        })
-    }
-
-    /// Parse `import foo.bar { Name1, Name2 }` into
-    /// `SurfaceItem::Import { path, names }`. The names list is
-    /// optional (bare `import foo.bar` imports everything).
-    fn parse_import_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let kw = self.expect_kind(TokenKind::KwImport)?;
-        let path = self.parse_dotted_path()?;
-        let mut names: Vec<String> = Vec::new();
-        if matches!(self.peek().kind, TokenKind::LBrace) {
-            self.bump();
-            if !matches!(self.peek().kind, TokenKind::RBrace) {
-                loop {
-                    names.push(self.parse_ident()?);
-                    if matches!(self.peek().kind, TokenKind::Comma) {
-                        self.bump();
-                        continue;
-                    }
-                    break;
-                }
-            }
-            self.expect_kind(TokenKind::RBrace)?;
-        }
-        let end = self.tokens[self.pos.saturating_sub(1)].span.byte_end;
-        Ok(SurfaceItem::Import {
-            path,
-            names,
-            span: SourceSpan::new(self.file, kw.span.byte_start, end),
-        })
-    }
-
-    /// Parse `data name: Type = { body }` into `SurfaceItem::Data`.
-    ///
-    /// **M1(3) PR-B change:** the body is now attempted as a record
-    /// literal first. A 3-token lookahead (`{`, `Ident`, `:`) decides
-    /// between:
-    ///
-    /// - **Record literal**: the body is parsed as a
-    ///   `SurfaceExpr::Record { fields, span }` and stored in
-    ///   `SurfaceItem::Data.body = Some(...)`. Lowering runs
-    ///   inhabitance checking against the type annotation (walks
-    ///   the Conj children, matches labels, validates literal-only
-    ///   field values) and produces a
-    ///   `ValueBody::Structural { fields }` on the declaration.
-    /// - **Unparseable body**: any body whose first three tokens
-    ///   don't match `{ Ident :` falls back to the brace-skip path
-    ///   (preserving the span) and `SurfaceItem::Data.body = None`.
-    ///   Lowering produces a `ValueBody::Unparsed(span)` scaffold
-    ///   which `reject_user_unparsed_scaffolds` rejects for user
-    ///   code and tolerates for bootstrap fixtures (R14 behavior).
-    ///
-    /// The lookahead is unambiguous because record field syntax
-    /// starts with `Ident :` and no other valid body shape does.
-    fn parse_data_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let kw = self.expect_kind(TokenKind::KwData)?;
-        let name = self.parse_ident()?;
-        self.expect_kind(TokenKind::Colon)?;
-        let ty = self.parse_type_expr()?;
-        self.expect_kind(TokenKind::Eq)?;
-        // DB-10 (3a.2): `data x: T = <expr>` accepts three body shapes:
-        //   1. Record literal (`{ name: v, ... }`) — lowered to
-        //      ValueBody::Structural via inhabitance checking.
-        //   2. Opaque brace body (`{ ... }` without record-literal
-        //      shape) — preserved as ValueBody::Unparsed.
-        //   3. Scalar expression (no leading `{`) — lowered to
-        //      ValueBody::Scalar. Required for scalar constants
-        //      like `data answer: Int = 42` that `compiler.dag` uses.
-        if !matches!(self.peek().kind, TokenKind::LBrace) {
-            let body_expr = self.parse_expr()?;
-            let body_span_ref = expr_span(&body_expr);
-            let body_start = body_span_ref.byte_start;
-            let body_end = body_span_ref.byte_end;
-            return Ok(SurfaceItem::Data {
-                name,
-                ty,
-                body: Some(body_expr),
-                body_span: SourceSpan::new(self.file, body_start, body_end),
-                span: SourceSpan::new(self.file, kw.span.byte_start, body_end),
-            });
-        }
-        // Peek three tokens for the record-literal lookahead.
-        let open_span = self.peek().span.clone();
-        let is_record_literal = self.looks_like_record_literal();
-        if is_record_literal {
-            let body_expr = self.parse_record_literal()?;
-            let body_end = match &body_expr {
-                SurfaceExpr::Record { span, .. } => span.byte_end,
-                _ => unreachable!("parse_record_literal always returns Record"),
-            };
-            return Ok(SurfaceItem::Data {
-                name,
-                ty,
-                body: Some(body_expr),
-                body_span: SourceSpan::new(self.file, open_span.byte_start, body_end),
-                span: SourceSpan::new(self.file, kw.span.byte_start, body_end),
-            });
-        }
-        // Sibling lookahead for map literals (`{ String : ...`). Routes
-        // string-keyed `{...}` data bodies into `parse_map_literal`,
-        // emitting `SurfaceExpr::Map`. Disambiguation is unambiguous:
-        // record-literal lookahead requires `{ Ident :`; map-literal
-        // requires `{ StringLit :`. Bare `{}` (empty) and any other
-        // shape continue to fall through to `skip_brace_balanced`.
-        if self.looks_like_map_literal() {
-            let body_expr = self.parse_map_literal()?;
-            let body_end = match &body_expr {
-                SurfaceExpr::Map { span, .. } => span.byte_end,
-                _ => unreachable!("parse_map_literal always returns Map"),
-            };
-            return Ok(SurfaceItem::Data {
-                name,
-                ty,
-                body: Some(body_expr),
-                body_span: SourceSpan::new(self.file, open_span.byte_start, body_end),
-                span: SourceSpan::new(self.file, kw.span.byte_start, body_end),
-            });
-        }
-        let end = self.skip_brace_balanced()?;
-        let body_span = SourceSpan::new(self.file, open_span.byte_start, end);
-        Ok(SurfaceItem::Data {
-            name,
-            ty,
-            body: None,
-            body_span,
-            span: SourceSpan::new(self.file, kw.span.byte_start, end),
-        })
-    }
-
-    /// 3-token lookahead for record-literal disambiguation (`parse_data_item`,
-    /// brace-bodied `fn` on `.v3`). Returns `true` when:
-    ///
-    /// - **`{}`**: `LBrace` immediately followed by `RBrace` (empty record).
-    /// - **`{ label: expr`**: `LBrace`, then a field label token (`Ident(_)` or any
-    ///   token accepted via `soft_keyword_ident_spelling`, e.g. `KwType` for
-    ///   `type:`), then `:` — same label set as `parse_field_label`.
-    ///
-    /// Otherwise returns `false` so callers can try map-literal lookahead or
-    /// other paths.
-    fn looks_like_record_literal(&self) -> bool {
-        let t0 = self.tokens.get(self.pos);
-        let t1 = self.tokens.get(self.pos + 1);
-        let t2 = self.tokens.get(self.pos + 2);
-        match (t0, t1) {
-            (Some(a), Some(b)) if matches!(a.kind, TokenKind::LBrace) && matches!(b.kind, TokenKind::RBrace) => true,
-            _ => match (t0, t1, t2) {
-                (Some(a), Some(b), Some(c)) => {
-                    matches!(a.kind, TokenKind::LBrace)
-                        && (matches!(b.kind, TokenKind::Ident(_))
-                            || soft_keyword_ident_spelling(&b.kind).is_some())
-                        && matches!(c.kind, TokenKind::Colon)
-                }
-                _ => false,
-            },
-        }
-    }
-
-    /// Parse a record literal starting at `{`. Called from
-    /// `parse_data_item` after `looks_like_record_literal` confirms
-    /// the lookahead. Reads `label: expr` pairs separated by `,` (or
-    /// whitespace), terminated by `}`. Each field's value is any
-    /// `SurfaceExpr` — lowering (not parsing) enforces the literal-
-    /// only restriction.
-    fn parse_record_literal(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut fields: Vec<SurfaceRecordField> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let field_end = expr_span(&value).byte_end;
-            fields.push(SurfaceRecordField {
-                name: field_name,
-                value,
-                span: SourceSpan::new(self.file, name_span.byte_start, field_end),
-            });
-            // Accept an optional comma between fields (whitespace
-            // alone is also permitted).
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok(SurfaceExpr::Record {
-            fields,
-            span: SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        })
-    }
-
-    /// 3-token lookahead for the map-literal disambiguation in
-    /// `parse_data_item`. Returns `true` when the next three tokens are
-    /// `{`, then `StringLit(_)`, then `:` — the unambiguous start of a
-    /// map-literal entry. Sibling to `looks_like_record_literal`
-    /// (`{ Ident :`); the two are mutually exclusive at the entry token
-    /// because a string-literal token is structurally distinct from an
-    /// identifier token. Empty `{}` falls through to neither (and routes
-    /// into `skip_brace_balanced` per the existing scaffolded-body
-    /// path) — string-key non-empty maps are the only shape this lane
-    /// admits; empty-map syntax is deferred until a real consumer needs
-    /// it (no consumer in the 22-declaration survey produces an empty
-    /// map literal at the top level).
-    fn looks_like_map_literal(&self) -> bool {
-        let t0 = self.tokens.get(self.pos);
-        let t1 = self.tokens.get(self.pos + 1);
-        let t2 = self.tokens.get(self.pos + 2);
-        match (t0, t1, t2) {
-            (Some(a), Some(b), Some(c)) => {
-                matches!(a.kind, TokenKind::LBrace)
-                    && matches!(b.kind, TokenKind::StringLit(_))
-                    && matches!(c.kind, TokenKind::Colon)
-            }
-            _ => false,
-        }
-    }
-
-    /// Parse a map literal starting at `{`. Called from
-    /// `parse_data_item` after `looks_like_map_literal` confirms the
-    /// lookahead. Reads `"key": expr` pairs separated by `,` (or
-    /// whitespace), terminated by `}`. Each entry's key is the parsed
-    /// string-literal contents (the parser only enters this path after
-    /// `looks_like_map_literal` matched a `StringLit` token; any
-    /// non-string key here is an internal invariant violation).
-    fn parse_map_literal(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut entries: Vec<SurfaceMapEntry> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let key_token = self.bump().clone();
-            let (key, key_span) = match key_token.kind {
-                TokenKind::StringLit(s) => (s, key_token.span.clone()),
-                other => {
-                    return Err(Diagnostic::ParseError {
-                        message: format!(
-                            "expected string-literal key in map literal, got {other:?}"
-                        ),
-                        span: key_token.span,
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                    });
-                }
-            };
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let value_end = expr_span(&value).byte_end;
-            entries.push(SurfaceMapEntry {
-                key,
-                key_span: key_span.clone(),
-                value,
-                span: SourceSpan::new(self.file, key_span.byte_start, value_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok(SurfaceExpr::Map {
-            entries,
-            span: SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        })
-    }
-
-    fn parse_named_expr_fields(
-        &mut self,
-    ) -> Result<(Vec<SurfaceRecordField>, SourceSpan), Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut fields: Vec<SurfaceRecordField> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let field_end = expr_span(&value).byte_end;
-            fields.push(SurfaceRecordField {
-                name: field_name,
-                value,
-                span: SourceSpan::new(self.file, name_span.byte_start, field_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok((
-            fields,
-            SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        ))
-    }
-
-    fn parse_named_pattern_fields(
-        &mut self,
-    ) -> Result<(Vec<SurfacePatternField>, SourceSpan), Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut fields: Vec<SurfacePatternField> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let binding_token = self.bump().clone();
-            let binding = match binding_token.kind {
-                TokenKind::Ident(binding) => binding,
-                other => {
-                    return Err(Diagnostic::ParseError {
-                        message: format!(
-                            "expected binding name in named payload match pattern after `{field_name}:`, got {other:?}"
-                        ),
-                        span: binding_token.span,
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                    });
-                }
-            };
-            fields.push(SurfacePatternField {
-                name: field_name,
-                binding,
-                span: SourceSpan::new(self.file, name_span.byte_start, binding_token.span.byte_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok((
-            fields,
-            SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        ))
-    }
-
-    fn brace_starts_match_arms(&self) -> bool {
-        if !matches!(self.peek().kind, TokenKind::LBrace) {
-            return false;
-        }
-        let mut depth = 0usize;
-        let mut idx = self.pos;
-        let mut only_empty_block_so_far = true;
-        while let Some(token) = self.tokens.get(idx) {
-            match token.kind {
-                TokenKind::LBrace => depth += 1,
-                TokenKind::RBrace => {
-                    if depth == 0 {
-                        return false;
-                    }
-                    depth -= 1;
-                    if depth == 0 {
-                        // `match x {}` is a valid empty-arm block that
-                        // should parse and fail later during lowering/
-                        // validation as non-exhaustive, not be
-                        // reinterpreted as `x {}` (a named constructor
-                        // expression with empty fields).
-                        return only_empty_block_so_far;
-                    }
-                }
-                TokenKind::FatArrow if depth == 1 => return true,
-                _ if depth == 1 => only_empty_block_so_far = false,
-                TokenKind::Eof => return false,
-                _ => {}
-            }
-            idx += 1;
-        }
-        false
-    }
-
-    fn parse_dotted_path(&mut self) -> Result<Vec<String>, Diagnostic> {
-        let mut path = vec![self.parse_ident()?];
-        while matches!(self.peek().kind, TokenKind::Dot) {
-            self.bump();
-            path.push(self.parse_ident()?);
-        }
-        Ok(path)
-    }
-
-    /// Consume a brace-balanced token range starting at the current
-    /// `{` and returning the byte offset of the matching `}`. Used for
-    /// opaque fn/data bodies at M1(2.6). Errors if EOF is reached
-    /// before the braces balance.
-    fn skip_brace_balanced(&mut self) -> Result<u32, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut depth: i32 = 1;
-        loop {
-            if self.at_eof() {
-                return Err(Diagnostic::ParseError {
-                    message: "unterminated block body: reached EOF before closing `}`".to_string(),
-                    span: open.span,
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-            let token = self.bump().clone();
-            match token.kind {
-                TokenKind::LBrace => depth += 1,
-                TokenKind::RBrace => {
-                    depth -= 1;
-                    if depth == 0 {
-                        return Ok(token.span.byte_end);
-                    }
-                }
-                _ => {}
-            }
-        }
-    }
-
-    fn parse_let_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        self.expect_kind(TokenKind::KwLet)?;
-        let name = self.parse_ident()?;
-        let type_ann = if matches!(self.peek().kind, TokenKind::Colon) {
-            self.bump();
-            Some(self.parse_type_expr()?)
-        } else {
-            None
-        };
-        self.expect_kind(TokenKind::Eq)?;
-        let expr = self.parse_expr()?;
-        Ok(SurfaceItem::Let {
-            name,
-            type_ann,
-            expr,
-        })
-    }
-
-    /// User `.v3` modules parse brace-bodied `fn` bodies as real
-    /// `SurfaceExpr` trees (single expression, record literal, or
-    /// `parse_expr` + `FnExternalBody` fallback for multi-statement
-    /// blocks). Authority `.dag` sources (`dsl/std`, `src/v3/std`,
-    /// compiler/spec fixtures, etc.) keep the legacy brace-skip →
-    /// `FnExternalBody` path so bootstrap snapshots and staged std
-    /// `ArrowBody::Unparsed` contracts stay byte-stable until a
-    /// dedicated bootstrap regen lane opts the corpus in.
-    fn fn_brace_body_parse_as_expression(&self) -> bool {
-        self.file.ends_with(".v3")
-    }
-
-    /// After `{`, `parse_expr` fails immediately on `KwLet` (statements are not
-    /// expressions). Only that shape uses `FnExternalBody` + brace-skip on
-    /// `parse_expr` `Err` — other failures are malformed single-expression probes
-    /// and must surface the parser diagnostic (fail-closed at parse time).
-    fn fn_brace_body_expr_err_falls_back_to_external(&self, first_inner_token_pos: usize) -> bool {
-        matches!(
-            self.tokens
-                .get(first_inner_token_pos)
-                .map(|t| &t.kind),
-            Some(TokenKind::KwLet)
-        )
-    }
-
-    /// Brace-bodied `fn` **record** lookahead: must stay aligned with
-    /// `parse_field_label` / `parse_record_literal` (same entry shapes as
-    /// `parse_data_item`: `{}`, `{ ident: expr`, `{ type: expr`, …).
-    fn fn_brace_body_looks_like_record_literal(&self) -> bool {
-        self.looks_like_record_literal()
-    }
-
-    fn parse_fn_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let fn_kw = self.expect_kind(TokenKind::KwFn)?;
-        let name = self.parse_ident()?;
-        let type_params = self.parse_optional_type_params()?;
-        self.expect_kind(TokenKind::LParen)?;
-        let params = self.parse_params()?;
-        self.expect_kind(TokenKind::RParen)?;
-        self.expect_kind(TokenKind::Arrow)?;
-        let return_type = self.parse_type_expr()?;
-        match &self.peek().kind {
-            TokenKind::Eq => {
-                // Expression-body form: `fn f(x) -> T = expr`.
-                self.bump();
-                let body_expr = self.parse_expr()?;
-                let end = expr_span(&body_expr).byte_end;
-                Ok(SurfaceItem::Fn {
-                    name,
-                    type_params,
-                    params,
-                    return_type,
-                    body: body_expr,
-                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                })
-            }
-            TokenKind::LBrace => {
-                // Brace-bodied `fn f(x) -> T { body }`.
-                //
-                // Non-`.v3` sources (staged `.dag` corpus): preserve the
-                // legacy `FnExternalBody` + brace-skip path — see
-                // `fn_brace_body_parse_as_expression`.
-                //
-                // `.v3` user sources: when `{` begins a record literal (`{}` or
-                // `{ label: expr, ... }`, including `{ type: ... }` via
-                // `parse_field_label` soft keywords) or a string-key **map**
-                // literal (`{ "key": expr, ... }` — same disambiguation order as
-                // `parse_data_item`), parse that surface form. Otherwise probe a
-                // single `SurfaceExpr` through the closing `}`.
-                //
-                // Otherwise try a single complete `SurfaceExpr` through the
-                // closing `}`. If the expression parses but does not exhaust
-                // the brace (e.g. multi-`let` sequences), rewind and fall back to
-                // `FnExternalBody` + brace-skip. If `parse_expr` errors and the
-                // first inner token is `let`, use the same fallback (statement
-                // scaffold); otherwise propagate the parse diagnostic.
-                if !self.fn_brace_body_parse_as_expression() {
-                    let open = self.peek().span.clone();
-                    let end = self.skip_brace_balanced()?;
-                    let body_span = SourceSpan::new(self.file, open.byte_start, end);
-                    return Ok(SurfaceItem::FnExternalBody {
-                        name,
-                        type_params,
-                        params,
-                        return_type,
-                        body_span,
-                        span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                    });
-                }
-                if self.fn_brace_body_looks_like_record_literal() {
-                    let body_expr = self.parse_record_literal()?;
-                    let end = expr_span(&body_expr).byte_end;
-                    Ok(SurfaceItem::Fn {
-                        name,
-                        type_params,
-                        params,
-                        return_type,
-                        body: body_expr,
-                        span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                    })
-                } else if self.looks_like_map_literal() {
-                    let body_expr = self.parse_map_literal()?;
-                    let end = expr_span(&body_expr).byte_end;
-                    Ok(SurfaceItem::Fn {
-                        name,
-                        type_params,
-                        params,
-                        return_type,
-                        body: body_expr,
-                        span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                    })
-                } else {
-                    let checkpoint = self.pos;
-                    self.expect_kind(TokenKind::LBrace)?;
-                    let first_inner_token_pos = self.pos;
-                    match self.parse_expr() {
-                        Ok(body_expr) => {
-                            if matches!(self.peek().kind, TokenKind::RBrace) {
-                                let close = self.expect_kind(TokenKind::RBrace)?;
-                                let end = close.span.byte_end;
-                                Ok(SurfaceItem::Fn {
-                                    name,
-                                    type_params,
-                                    params,
-                                    return_type,
-                                    body: body_expr,
-                                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                                })
-                            } else {
-                                self.pos = checkpoint;
-                                let open = self.peek().span.clone();
-                                let end = self.skip_brace_balanced()?;
-                                let body_span = SourceSpan::new(self.file, open.byte_start, end);
-                                Ok(SurfaceItem::FnExternalBody {
-                                    name,
-                                    type_params,
-                                    params,
-                                    return_type,
-                                    body_span,
-                                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                                })
-                            }
-                        }
-                        Err(diag) => {
-                            if self.fn_brace_body_expr_err_falls_back_to_external(first_inner_token_pos)
-                            {
-                                self.pos = checkpoint;
-                                let open = self.peek().span.clone();
-                                let end = self.skip_brace_balanced()?;
-                                let body_span = SourceSpan::new(self.file, open.byte_start, end);
-                                Ok(SurfaceItem::FnExternalBody {
-                                    name,
-                                    type_params,
-                                    params,
-                                    return_type,
-                                    body_span,
-                                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                                })
-                            } else {
-                                self.pos = checkpoint;
-                                Err(diag)
-                            }
-                        }
-                    }
-                }
-            }
-            other => Err(Diagnostic::ParseError {
-                message: format!("expected `=` or `{{` after fn return type, got {other:?}"),
-                span: self.peek().span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-        }
-    }
-
-    fn parse_type_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let type_kw = self.expect_kind(TokenKind::KwType)?;
-        let name_token = self.bump().clone();
-        let name = match &name_token.kind {
-            TokenKind::Ident(n) => n.clone(),
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!("expected type name, got {other:?}"),
-                    span: name_token.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-        };
-        let type_params = self.parse_optional_type_params()?;
-
-        match &self.peek().kind {
-            TokenKind::LBrace => {
-                self.bump();
-                let fields = self.parse_record_fields()?;
-                let close = self.expect_kind(TokenKind::RBrace)?;
-                Ok(SurfaceItem::TypeRecord {
-                    name,
-                    type_params,
-                    fields,
-                    span: SourceSpan::new(self.file, type_kw.span.byte_start, close.span.byte_end),
-                })
-            }
-            TokenKind::Ident(ref s) if s == "inhabits" => {
-                let clause_start = self.peek().span.byte_start;
-                self.bump();
-                let inhabits = self.parse_type_expr()?;
-                let eq = self.expect_kind(TokenKind::Eq)?;
-                let inhabits_clause_span =
-                    SourceSpan::new(self.file, clause_start, eq.span.byte_end);
-                self.parse_type_rhs_after_eq(
-                    name,
-                    type_params,
-                    type_kw.span,
-                    Some(inhabits),
-                    Some(inhabits_clause_span),
-                    false,
-                    None,
-                )
-            }
-            TokenKind::Ident(ref s) if s == "nominal_opaque" => {
-                self.bump();
-                let eq = self.expect_kind(TokenKind::Eq)?;
-                self.parse_type_rhs_after_eq(
-                    name,
-                    type_params,
-                    type_kw.span,
-                    None,
-                    None,
-                    true,
-                    Some(eq.span.clone()),
-                )
-            }
-            TokenKind::Eq => {
-                self.bump();
-                self.parse_type_rhs_after_eq(name, type_params, type_kw.span, None, None, false, None)
-            }
-            _ => Ok(SurfaceItem::TypeAtom {
-                name,
-                type_params,
-                span: SourceSpan::new(self.file, type_kw.span.byte_start, name_token.span.byte_end),
-            }),
-        }
-    }
-
-    fn parse_optional_type_params(&mut self) -> Result<Vec<String>, Diagnostic> {
-        if !matches!(self.peek().kind, TokenKind::Lt) {
-            return Ok(Vec::new());
-        }
-        self.bump();
-        let mut params = vec![self.parse_ident()?];
-        while matches!(self.peek().kind, TokenKind::Comma) {
-            self.bump();
-            params.push(self.parse_ident()?);
-        }
-        self.expect_kind(TokenKind::Gt)?;
-        Ok(params)
-    }
-
-    /// Record field labels reuse [`Self::parse_ident`] semantics but also
-    /// accept `type` — the tokenizer maps it to [`TokenKind::KwType`], yet
-    /// `dsl/std/resources.dag` names a field `type` on `ResourceHandle`. Field
-    /// position is unambiguous (`type` cannot start a type expression here).
-    fn parse_field_label(&mut self) -> Result<(String, SourceSpan), Diagnostic> {
-        let name_token = self.bump().clone();
-        let name = if let TokenKind::Ident(name) = &name_token.kind {
-            name.clone()
-        } else if let Some(spelling) = soft_keyword_ident_spelling(&name_token.kind) {
-            spelling.to_string()
-        } else {
-            return Err(Diagnostic::ParseError {
-                message: format!("expected field label, got {:?}", name_token.kind),
-                span: name_token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            });
-        };
-        Ok((name, name_token.span))
-    }
-
-    fn parse_record_fields(&mut self) -> Result<Vec<SurfaceField>, Diagnostic> {
-        let mut fields = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (name, _) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let ty = self.parse_type_expr()?;
-            fields.push(SurfaceField { name, ty });
-            if matches!(self.peek().kind, TokenKind::Comma | TokenKind::Semicolon) {
-                self.bump();
-            }
-        }
-        Ok(fields)
-    }
-
-    /// After `type Name<T> =`, decide between TypeSum (one-or-more variants
-    /// separated by `|`, or a **single** variant without a top-level `|` when
-    /// it opens as `Variant { ... }` / `Variant(...)` — PR-A.3 EvalStrategy
-    /// carrier) and TypeAlias (a single type expression). A variant looks like
-    /// `Ident`, `Ident(...)`, or `Ident { ... }`. A type expression can start
-    /// with `Ident<...>` (parameterized), `fn(...)` (arrow), or a bare `Ident`
-    /// at RHS end (alias to another type — **not** a nullary sum; use
-    /// `Variant()` for a single nullary sum variant without `|`).
-    ///
-    /// Optional alias-RHS `where` (DB-11): `where <expr> [, <expr>]*` parses
-    /// to `SurfaceExpr` (comma-separated parts fold as left-associated `&&`).
-    #[allow(clippy::too_many_arguments)]
-    fn parse_type_rhs_after_eq(
-        &mut self,
-        name: String,
-        type_params: Vec<String>,
-        type_kw_span: SourceSpan,
-        inhabits: Option<SurfaceType>,
-        inhabits_clause_span: Option<SourceSpan>,
-        nominal_opaque: bool,
-        nominal_opaque_clause_span: Option<SourceSpan>,
-    ) -> Result<SurfaceItem, Diagnostic> {
-        if !self.rhs_is_sum(&type_params) {
-            if inhabits.is_some() {
-                return Err(Diagnostic::ParseError {
-                    message: String::from(
-                        "`inhabits` is only supported when the type RHS is a sum (`A | B | ...`)",
-                    ),
-                    span: inhabits_clause_span
-                        .clone()
-                        .unwrap_or_else(|| type_kw_span.clone()),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-            let target = self.parse_type_expr()?;
-            let (refinement, end) = if matches!(self.peek().kind, TokenKind::KwWhere) {
-                self.parse_type_alias_where_tail()?
-            } else {
-                (None, target.span().byte_end)
-            };
-            return Ok(SurfaceItem::TypeAlias {
-                name,
-                type_params,
-                nominal_opaque,
-                target,
-                refinement,
-                span: SourceSpan::new(self.file, type_kw_span.byte_start, end),
-            });
-        }
-        if nominal_opaque {
-            return Err(Diagnostic::ParseError {
-                message: String::from(
-                    "`nominal_opaque` is only supported when the type RHS is an alias",
-                ),
-                span: nominal_opaque_clause_span
-                    .clone()
-                    .unwrap_or_else(|| type_kw_span.clone()),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            });
-        }
-
-        let variants = self.parse_sum_variants()?;
-        let end = variants
-            .last()
-            .map(|v| v.span.byte_end)
-            .unwrap_or(type_kw_span.byte_end);
-        Ok(SurfaceItem::TypeSum {
-            name,
-            type_params,
-            variants,
-            inhabits,
-            span: SourceSpan::new(self.file, type_kw_span.byte_start, end),
-        })
-    }
-
-    fn fold_type_alias_where_parts(&self, mut parts: Vec<SurfaceExpr>) -> SurfaceExpr {
-        debug_assert!(!parts.is_empty());
-        if parts.len() == 1 {
-            return parts.pop().expect("len checked");
-        }
-        let mut lhs = parts.remove(0);
-        for rhs in parts {
-            let start = crate::lower_helpers::expr_span(&lhs).byte_start;
-            let end = crate::lower_helpers::expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op: OperatorKind::Logical(LogicalOp::And),
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        lhs
-    }
-
-    /// After `where`, parse one or more comma-separated expressions until the
-    /// next top-level item boundary (commas inside calls/parens stay inside
-    /// `parse_expr`).
-    ///
-    /// **Legacy `dsl/std/types.dag` constraint spellings** (`pattern("…")`,
-    /// `range(min: 1, max: 5)`, `brand("…")`, bare `non_empty`, …) share this
-    /// same expression surface — there is no parallel implicit-subject
-    /// micro-grammar: they must tokenize as `SurfaceExpr` so SG-2 can parse
-    /// the std corpus. `parse_call_args` recognizes `f(a: x, b: y)`-shaped
-    /// opens so inner commas in `range(min: …, max: …)` are not mistaken for
-    /// top-level `where` segment separators (they desugar to a single
-    /// `Record` argument). The same path covers **one** bound, e.g.
-    /// `range(min: 1)` (still `Ident` + `:` after `(`). SG-2
-    /// `handwritten_parser_accepts_types_dag` tokenizes and parses the full
-    /// `dsl/std/types.dag` corpus; PB-1’s committed `bootstrap_std_generated.rs`
-    /// snapshot carries **no** parse-phase `Diagnostic` rows for that file.
-    /// **Lowering** does not emit `Bool` predicate bodies for
-    /// `dsl/std/types.dag` until helpers resolve (see
-    /// `lower_type_alias_refinements_phase` / `alloc_deferred_types_dag_refinement_placeholder`
-    /// in `lower.rs`): a **placeholder** `Declaration::refinement` carries the
-    /// fact that a `where` was authored (P3 — not a silent `None`), while PB-1
-    /// stays diagnostic-clean.
-    fn parse_type_alias_where_tail(&mut self) -> Result<(Option<SurfaceExpr>, u32), Diagnostic> {
-        self.expect_kind(TokenKind::KwWhere)?;
-        let mut parts = vec![self.parse_expr()?];
-        while matches!(self.peek().kind, TokenKind::Comma) {
-            self.bump();
-            parts.push(self.parse_expr()?);
-        }
-        let end = crate::lower_helpers::expr_span(parts.last().expect("at least one where-part"))
-            .byte_end;
-        let combined = self.fold_type_alias_where_parts(parts);
-        Ok((Some(combined), end))
-    }
-
-    /// Lookahead: after `=`, is the RHS a sum? True when (a) a top-level `|`
-    /// exists before the next item boundary, or (b) the RHS opens as
-    /// `Variant {` / `Variant(` at depth zero (single-variant sum without `|`).
-    /// Tracks paren/brace depth so a `|` inside a payload list doesn't confuse
-    /// the scan. [`Self::parse_sum_variants`] skips a **leading** run of `|`
-    /// tokens so `| A | B` and `A | B` both parse.
-    ///
-    /// Do **not** treat [`TokenKind::Ident`] `inhabits` as an item boundary: it
-    /// can spell a sum variant / record field (see [`Self::parse_field_label`],
-    /// [`Self::parse_variant`]).
-    ///
-    /// [`TokenKind::KwType`] is likewise accepted as a variant/field spelling,
-    /// but it also begins every top-level `type` declaration. Whitespace is
-    /// not tokenized, so distinguish `type | …` (variant label) from
-    /// `type Name =` / `type Name<` / `type Name inhabits` (next decl) via a
-    /// two-token lookahead when depth is zero.
-    fn rhs_is_sum(&self, local_alias_reference_idents: &[String]) -> bool {
-        if self.rhs_opens_single_variant_sum_shape(local_alias_reference_idents) {
-            return true;
-        }
-        let mut i = self.pos;
-        let mut depth: i32 = 0;
-        while i < self.tokens.len() {
-            if let Some(role) = bracket_role(&self.tokens[i].kind) {
-                match role {
-                    BracketRole::Opener => {
-                        depth += 1;
-                        i += 1;
-                        continue;
-                    }
-                    BracketRole::Closer => {
-                        if depth == 0 {
-                            return false;
-                        }
-                        depth -= 1;
-                        i += 1;
-                        continue;
-                    }
-                }
-            }
-            match &self.tokens[i].kind {
-                TokenKind::Pipe if depth == 0 => return true,
-                TokenKind::KwType if depth == 0 => {
-                    let next = self.tokens.get(i + 1).map(|t| &t.kind);
-                    let next2 = self.tokens.get(i + 2).map(|t| &t.kind);
-                    let next_decl = match (next, next2) {
-                        (Some(TokenKind::Ident(_)), Some(TokenKind::Eq | TokenKind::Lt)) => true,
-                        (Some(TokenKind::Ident(_)), Some(TokenKind::Ident(s))) if s == "inhabits" => {
-                            true
-                        }
-                        _ => false,
-                    };
-                    if next_decl {
-                        return false;
-                    }
-                }
-                TokenKind::KwWhere | TokenKind::Eof if depth == 0 => return false,
-                _ if depth == 0 && is_type_rhs_boundary_keyword(&self.tokens[i].kind) => {
-                    return false;
-                }
-                _ => {}
-            }
-            i += 1;
-        }
-        false
-    }
-
-    /// After `=`, does the RHS open as a single sum variant without a top-level
-    /// `|`? True for `Variant { ... }`, `Variant(...)` / `Variant()`, and bare
-    /// `Variant` when the spelling is not a known alias target. False for
-    /// `Variant<Args>` — that begins a parameterized **alias** RHS
-    /// (`parse_type_expr`), not a variant payload.
-    fn rhs_opens_single_variant_sum_shape(&self, local_alias_reference_idents: &[String]) -> bool {
-        let i = self.pos;
-        let Some(t0) = self.tokens.get(i) else {
-            return false;
-        };
-        let label = match &t0.kind {
-            TokenKind::Ident(s) => Some(s.as_str()),
-            _ => soft_keyword_ident_spelling(&t0.kind),
-        };
-        let Some(label) = label else {
-            return false;
-        };
-        if matches!(
-            self.tokens.get(i + 1).map(|t| &t.kind),
-            Some(TokenKind::LBrace) | Some(TokenKind::LParen)
-        ) {
-            return true;
-        }
-        let Some(refs) = &self.bare_rhs_alias_reference_idents else {
-            return false;
-        };
-        if refs.contains(label)
-            || local_alias_reference_idents
-                .iter()
-                .any(|name| name == label)
-        {
-            return false;
-        }
-        matches!(
-            self.tokens.get(i + 1).map(|t| &t.kind),
-            Some(TokenKind::KwWhere | TokenKind::Eof)
-        ) || self
-            .tokens
-            .get(i + 1)
-            .is_some_and(|t| is_type_rhs_boundary_keyword(&t.kind))
-    }
-
-    fn parse_sum_variants(&mut self) -> Result<Vec<SurfaceVariant>, Diagnostic> {
-        while matches!(self.peek().kind, TokenKind::Pipe) {
-            self.bump();
-        }
-        let mut variants = vec![self.parse_variant()?];
-        while matches!(self.peek().kind, TokenKind::Pipe) {
-            self.bump();
-            variants.push(self.parse_variant()?);
-        }
-        Ok(variants)
-    }
-
-    fn parse_variant(&mut self) -> Result<SurfaceVariant, Diagnostic> {
-        let name_token = self.bump().clone();
-        let name = if let TokenKind::Ident(name) = &name_token.kind {
-            name.clone()
-        } else if let Some(spelling) = soft_keyword_ident_spelling(&name_token.kind) {
-            spelling.to_string()
-        } else {
-            return Err(Diagnostic::ParseError {
-                message: format!("expected variant name, got {:?}", name_token.kind),
-                span: name_token.span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            });
-        };
-        match &self.peek().kind {
-            TokenKind::LParen => {
-                self.bump();
-                let payload = self.parse_type_expr_list_until(TokenKind::RParen)?;
-                let close = self.expect_kind(TokenKind::RParen)?;
-                Ok(SurfaceVariant {
-                    name,
-                    payload: VariantPayload::Positional(payload),
-                    span: SourceSpan::new(
-                        self.file,
-                        name_token.span.byte_start,
-                        close.span.byte_end,
-                    ),
-                })
-            }
-            TokenKind::LBrace => {
-                self.bump();
-                let fields = self.parse_record_fields()?;
-                let close = self.expect_kind(TokenKind::RBrace)?;
-                Ok(SurfaceVariant {
-                    name,
-                    payload: VariantPayload::Record(fields),
-                    span: SourceSpan::new(
-                        self.file,
-                        name_token.span.byte_start,
-                        close.span.byte_end,
-                    ),
-                })
-            }
-            _ => Ok(SurfaceVariant {
-                name,
-                payload: VariantPayload::Positional(Vec::new()),
-                span: name_token.span,
-            }),
-        }
-    }
-
-    fn parse_params(&mut self) -> Result<Vec<SurfaceParam>, Diagnostic> {
-        let mut params = Vec::new();
-        if matches!(self.peek().kind, TokenKind::RParen) {
-            return Ok(params);
-        }
-        loop {
-            let name = self.parse_ident()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let ty = self.parse_type_expr()?;
-            // DB-11 (3a.3): optional refinement predicate after the
-            // parameter's type. Parsed as an ordinary expression in
-            // the parameter's scope; lowering resolves operators
-            // against the parameter's type algebra.
-            let refinement = if matches!(self.peek().kind, TokenKind::KwWhere) {
-                self.bump();
-                Some(self.parse_expr()?)
-            } else {
-                None
-            };
-            params.push(SurfaceParam {
-                name,
-                ty,
-                refinement,
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(params)
-    }
-
-    fn parse_type_expr(&mut self) -> Result<SurfaceType, Diagnostic> {
-        let mut ty = self.parse_atom_type()?;
-        while matches!(self.peek().kind, TokenKind::Question) {
-            let q = self.bump().clone();
-            let start = ty.span().byte_start;
-            ty = SurfaceType::Optional {
-                inner: Box::new(ty),
-                span: SourceSpan::new(self.file, start, q.span.byte_end),
-            };
-        }
-        Ok(ty)
-    }
-
-    fn parse_atom_type(&mut self) -> Result<SurfaceType, Diagnostic> {
-        if matches!(self.peek().kind, TokenKind::KwFn) {
-            let fn_tok = self.bump().clone();
-            self.expect_kind(TokenKind::LParen)?;
-            let inputs = self.parse_type_expr_list_until(TokenKind::RParen)?;
-            self.expect_kind(TokenKind::RParen)?;
-            self.expect_kind(TokenKind::Arrow)?;
-            let output = self.parse_type_expr()?;
-            let end = output.span().byte_end;
-            return Ok(SurfaceType::Arrow {
-                inputs,
-                output: Box::new(output),
-                span: SourceSpan::new(self.file, fn_tok.span.byte_start, end),
-            });
-        }
-
-        let token = self.bump().clone();
-        let name = match token.kind {
-            TokenKind::Ident(n) => n,
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!("expected type name, got {other:?}"),
-                    span: token.span,
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-        };
-
-        if matches!(self.peek().kind, TokenKind::Lt) && self.looks_like_type_args() {
-            self.bump();
-            let args = self.parse_type_angle_arg_list_until_gt()?;
-            let close = self.expect_kind(TokenKind::Gt)?;
-            Ok(SurfaceType::Parameterized {
-                name,
-                args,
-                span: SourceSpan::new(self.file, token.span.byte_start, close.span.byte_end),
-            })
-        } else {
-            Ok(SurfaceType::Named {
-                name,
-                span: token.span,
-            })
-        }
-    }
-
-    /// `<` is ambiguous: type-parameter delimiter vs. less-than operator. In
-    /// type position (parse_atom_type), we only see `<` after a bare Ident, so
-    /// it's always type args. In expression position (parse_comparison),
-    /// parse_atom_type is not called. This helper exists for defensive future
-    /// callers and currently always returns true.
-    fn looks_like_type_args(&self) -> bool {
-        true
-    }
-
-    /// Decimal width literal permitted **only** inside `<…>` type-argument lists
-    /// (e.g. `Int<64>`). Standalone `let x: 64 = …` must stay a parse error — gate #60
-    /// (single authority: this fragment is spliced by `regen_parse`; do not edit only
-    /// `parse_generated.rs` without updating here).
-    fn parse_width_nat_type_argument(&mut self) -> Result<TypeAngleArg, Diagnostic> {
-        let token = self.bump().clone();
-        match token.kind {
-            TokenKind::IntLit(decimal) => Ok(TypeAngleArg::WidthNatLiteral {
-                decimal,
-                span: token.span,
-            }),
-            other => Err(Diagnostic::ParseError {
-                message: format!("expected decimal width literal, got {other:?}"),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-        }
-    }
-
-    fn parse_type_angle_arg_list_until_gt(&mut self) -> Result<Vec<TypeAngleArg>, Diagnostic> {
-        let end = TokenKind::Gt;
-        let mut args = Vec::new();
-        if self.peek().kind == end {
-            return Ok(args);
-        }
-        loop {
-            if matches!(self.peek().kind, TokenKind::IntLit(_)) {
-                args.push(self.parse_width_nat_type_argument()?);
-            } else {
-                let ty = self.parse_type_expr()?;
-                args.push(TypeAngleArg::TypeExpr { ty: Box::new(ty) });
-            }
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(args)
-    }
-
-    fn parse_type_expr_list_until(
-        &mut self,
-        end: TokenKind,
-    ) -> Result<Vec<SurfaceType>, Diagnostic> {
-        let mut types = Vec::new();
-        if self.peek().kind == end {
-            return Ok(types);
-        }
-        loop {
-            types.push(self.parse_type_expr()?);
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(types)
-    }
-
-    fn parse_ident(&mut self) -> Result<String, Diagnostic> {
-        let token = self.bump().clone();
-        match token.kind {
-            TokenKind::Ident(name) => Ok(name),
-            other => Err(Diagnostic::ParseError {
-                message: format!("expected identifier, got {other:?}"),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-        }
-    }
-
-    fn parse_expr(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        self.parse_logical_or()
-    }
-
-    // Per-precedence-level functions below are lowest-to-highest binding
-    // (Or → And → Comparison → Additive → Multiplicative). The token →
-    // `OperatorKind` map for each level is authored declaratively in
-    // `parse_tables.dag` and consumed via `binary_op_at_level`; this file
-    // owns control flow (chaining, non-chaining, span fusion) only.
-
-    fn parse_logical_or(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_logical_and()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Or) {
-            self.bump();
-            let rhs = self.parse_logical_and()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_logical_and(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_comparison()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::And) {
-            self.bump();
-            let rhs = self.parse_comparison()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_comparison(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let lhs = self.parse_additive()?;
-        if let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Comparison) {
-            self.bump();
-            let rhs = self.parse_additive()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            Ok(SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            })
-        } else {
-            Ok(lhs)
-        }
-    }
-
-    fn parse_additive(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_term()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Additive) {
-            self.bump();
-            let rhs = self.parse_term()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_term(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_pipe()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Multiplicative) {
-            self.bump();
-            let rhs = self.parse_pipe()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_pipe(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_primary()?;
-        while matches!(self.peek().kind, TokenKind::PipeArrow) {
-            self.bump();
-            lhs = self.parse_pipe_target(lhs)?;
-        }
-        Ok(lhs)
-    }
-
-    fn parse_pipe_target(&mut self, lhs: SurfaceExpr) -> Result<SurfaceExpr, Diagnostic> {
-        let start = expr_span(&lhs).byte_start;
-        let target_token = self.bump().clone();
-        let target_expr = match target_token.kind {
-            TokenKind::Ident(name) => self.parse_ident_expr(name, target_token.span.clone())?,
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!(
-                        "expected function name after `|>`, got {other:?} — pipe desugars only to `f` or `f(...)`"
-                    ),
-                    span: target_token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-        };
-        match target_expr {
-            SurfaceExpr::Var { name, span } => Ok(SurfaceExpr::Call {
-                target: name,
-                args: vec![lhs],
-                span: SourceSpan::new(self.file, start, span.byte_end),
-            }),
-            SurfaceExpr::Call {
-                target,
-                mut args,
-                span,
-            } => {
-                let mut injected_args = Vec::with_capacity(args.len() + 1);
-                injected_args.push(lhs);
-                injected_args.append(&mut args);
-                Ok(SurfaceExpr::Call {
-                    target,
-                    args: injected_args,
-                    span: SourceSpan::new(self.file, start, span.byte_end),
-                })
-            }
-            SurfaceExpr::Path { span, .. } => Err(Diagnostic::ParseError {
-                message:
-                    "expected function name or call after `|>`; dotted paths are not callable in the current surface grammar"
-                        .to_string(),
-                span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-            SurfaceExpr::PathCall { span, .. } => Err(Diagnostic::ParseError {
-                message:
-                    "expected function name or call after `|>`; dotted-path calls are not pipe targets in the current surface grammar"
-                        .to_string(),
-                span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-            SurfaceExpr::VariantRecord { span, .. } => Err(Diagnostic::ParseError {
-                message:
-                    "expected function name or call after `|>`; named constructor literals are values, not callable pipe targets"
-                        .to_string(),
-                span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-            _ => unreachable!("parse_ident_expr only returns Var, Call, Path, PathCall, or VariantRecord"),
-        }
-    }
-
-    fn parse_primary(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let peek = &self.peek().kind;
-        // Map literals share the `{` prefix with record literals. Top-level `data`
-        // disambiguates via `looks_like_map_literal` before `parse_record_literal`;
-        // mirror that here so nested `Map<String, _>` fields (e.g. GitHub Actions
-        // `with:`) can use string keys like `"fetch-depth"`.
-        if matches!(peek, TokenKind::LBrace) && self.looks_like_map_literal() {
-            return self.parse_map_literal();
-        }
-        match primary_prefix_dispatch(peek) {
-            Some(PrimaryPrefixDispatch::If) => return self.parse_if(),
-            Some(PrimaryPrefixDispatch::Match) => return self.parse_match(),
-            Some(PrimaryPrefixDispatch::Record) => return self.parse_record_literal(),
-            Some(PrimaryPrefixDispatch::List) => return self.parse_list_literal(),
-            Some(PrimaryPrefixDispatch::Caret) => return self.parse_caret(),
-            None => {}
-        }
-        let token = self.bump().clone();
-        let cls = primary_atom_class(&token.kind).ok_or_else(|| Diagnostic::ParseError {
-            message: format!("expected primary expression, got {:?}", token.kind),
-            span: token.span.clone(),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-        })?;
-        match (cls, token.kind) {
-            (PrimaryAtomClass::IntLiteral, TokenKind::IntLit(value)) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::Int(value),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::True, TokenKind::KwTrue) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::Bool(true),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::False, TokenKind::KwFalse) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::Bool(false),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::String, TokenKind::StringLit(value)) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::String(value),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::Pipe, TokenKind::Pipe) => self.parse_lambda(token.span),
-            (PrimaryAtomClass::Ident, TokenKind::Ident(name)) => {
-                self.parse_ident_expr(name, token.span)
-            }
-            (class, other) => Err(Diagnostic::ParseError {
-                message: format!(
-                    "internal: primary-atom class {class:?} does not match `TokenKind` {other:?} \
-                     (fix `PrimaryAtomRow` in `parse_tables.dag` or `regen_parse_tables` output)"
-                ),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-        }
-    }
-
-    /// `^IDENT` → opaque `Symbol` literal (spelling only; no name resolution).
-    /// `^(Expr)` → `discriminant(Expr)` surface sugar (reify ctor name of value).
-    fn parse_caret(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let caret = self.expect_kind(TokenKind::Caret)?;
-        let start = caret.span.byte_start;
-        match &self.peek().kind {
-            TokenKind::Ident(name) => {
-                let ident = self.bump().clone();
-                let TokenKind::Ident(spelling) = ident.kind else {
-                    unreachable!("peek matched Ident");
-                };
-                Ok(SurfaceExpr::Literal {
-                    value: SurfaceLiteral::Symbol(spelling),
-                    span: SourceSpan::new(self.file, start, ident.span.byte_end),
-                })
-            }
-            TokenKind::LParen => {
-                self.bump();
-                let inner = self.parse_expr()?;
-                let close = self.expect_kind(TokenKind::RParen)?;
-                Ok(SurfaceExpr::Call {
-                    target: "discriminant".to_string(),
-                    args: vec![inner],
-                    span: SourceSpan::new(self.file, start, close.span.byte_end),
-                })
-            }
-            other => Err(Diagnostic::ParseError {
-                message: format!(
-                    "expected identifier or `(` after `^` (symbol literal or discriminant), got {other:?}"
-                ),
-                span: self.peek().span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-        }
-    }
-
-    fn parse_list_literal(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBracket)?;
-        let mut elements = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBracket) {
-            elements.push(self.parse_expr()?);
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            } else if !matches!(self.peek().kind, TokenKind::RBracket) {
-                return Err(Diagnostic::ParseError {
-                    message: format!(
-                        "expected `,` or `]` in list literal, got {:?}",
-                        self.peek().kind
-                    ),
-                    span: self.peek().span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBracket)?;
-        Ok(SurfaceExpr::List {
-            elements,
-            span: SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        })
-    }
-
-    fn parse_ident_expr(
-        &mut self,
-        name: String,
-        span: SourceSpan,
-    ) -> Result<SurfaceExpr, Diagnostic> {
-        if matches!(self.peek().kind, TokenKind::LParen) {
-            self.bump();
-            let args = self.parse_call_args()?;
-            let close = self.expect_kind(TokenKind::RParen)?;
-            let start = span.byte_start;
-            let end = close.span.byte_end;
-            Ok(SurfaceExpr::Call {
-                target: name,
-                args,
-                span: SourceSpan::new(self.file, start, end),
-            })
-        } else if matches!(self.peek().kind, TokenKind::LBrace) && !self.brace_starts_match_arms() {
-            let (fields, fields_span) = self.parse_named_expr_fields()?;
-            Ok(SurfaceExpr::VariantRecord {
-                target: name,
-                fields,
-                span: SourceSpan::new(self.file, span.byte_start, fields_span.byte_end),
-            })
-        } else if matches!(self.peek().kind, TokenKind::Dot) {
-            // Member-access chain: Ident (. Ident)+. Always
-            // reads at least one additional segment because
-            // the Dot is in the peek. Lowers to
-            // `SurfaceExpr::Path` for downstream resolution
-            // via top-level symbol + Conj-child walk by label.
-            let mut segments = vec![name];
-            let mut segment_spans = vec![span.clone()];
-            let start = span.byte_start;
-            let mut end = span.byte_end;
-            while matches!(self.peek().kind, TokenKind::Dot) {
-                self.bump();
-                let next = self.bump().clone();
-                match next.kind {
-                    TokenKind::Ident(n) => {
-                        end = next.span.byte_end;
-                        segments.push(n);
-                        segment_spans.push(next.span.clone());
-                    }
-                    other => {
-                        return Err(Diagnostic::ParseError {
-                            message: format!(
-                                "expected identifier after `.` in dotted path, got {other:?}"
-                            ),
-                            span: next.span,
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                        });
-                    }
-                }
-            }
-            // Prereq-X1: `<expr>.<ident>(args)` is call-on-field-access.
-            // After the dotted-segment walk, peek for `(`. If present,
-            // consume the call args and emit `PathCall`. The lowerer
-            // (Prereq-X1.a) only accepts `PathCall` whose head segment
-            // is a static `data` binding with `ValueBody::Structural`;
-            // parameter heads (X1.b) and other runtime-sourced heads
-            // produce typed lowering diagnostics.
-            if matches!(self.peek().kind, TokenKind::LParen) {
-                self.bump();
-                let args = self.parse_call_args()?;
-                let close = self.expect_kind(TokenKind::RParen)?;
-                return Ok(SurfaceExpr::PathCall {
-                    segments,
-                    segment_spans,
-                    args,
-                    span: SourceSpan::new(self.file, start, close.span.byte_end),
-                });
-            }
-            Ok(SurfaceExpr::Path {
-                segments,
-                segment_spans,
-                span: SourceSpan::new(self.file, start, end),
-            })
-        } else {
-            Ok(SurfaceExpr::Var { name, span })
-        }
-    }
-
-    fn parse_lambda(&mut self, open_span: SourceSpan) -> Result<SurfaceExpr, Diagnostic> {
-        let mut params = Vec::new();
-        if !matches!(self.peek().kind, TokenKind::Pipe) {
-            loop {
-                let token = self.bump().clone();
-                match token.kind {
-                    TokenKind::Ident(name) => params.push(name),
-                    other => {
-                        return Err(Diagnostic::ParseError {
-                            message: format!(
-                                "expected identifier in lambda parameter list, got {other:?}"
-                            ),
-                            span: token.span,
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                        });
-                    }
-                }
-                if matches!(self.peek().kind, TokenKind::Comma) {
-                    self.bump();
-                    continue;
-                }
-                break;
-            }
-        }
-        self.expect_kind(TokenKind::Pipe)?;
-        let body = self.parse_expr()?;
-        let end = expr_span(&body).byte_end;
-        Ok(SurfaceExpr::Lambda {
-            params,
-            body: Box::new(body),
-            span: SourceSpan::new(self.file, open_span.byte_start, end),
-        })
-    }
-
-    /// True when the next argument is `label:` — enables `f(a: 1, b: 2)` call sugar
-    /// that desugars to `f(Record { a: 1, b: 2 })` so `types.dag` refinements like
-    /// `range(min: 1, max: 5)` parse without changing the `SurfaceExpr::Call` shape.
-    fn call_args_open_with_named_field(&self) -> bool {
-        matches!(self.tokens.get(self.pos).map(|t| &t.kind), Some(TokenKind::Ident(_)))
-            && matches!(
-                self.tokens.get(self.pos + 1).map(|t| &t.kind),
-                Some(TokenKind::Colon)
-            )
-    }
-
-    /// Parse `label: expr` groups separated by commas until `)` (not consumed).
-    fn parse_paren_named_field_call_args(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let start = self.peek().span.byte_start;
-        let mut fields: Vec<SurfaceRecordField> = Vec::new();
-        loop {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let field_end = expr_span(&value).byte_end;
-            fields.push(SurfaceRecordField {
-                name: field_name,
-                value,
-                span: SourceSpan::new(self.file, name_span.byte_start, field_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        let end = fields
-            .last()
-            .map(|f| f.span.byte_end)
-            .unwrap_or(start);
-        Ok(SurfaceExpr::Record {
-            fields,
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-
-    fn parse_call_args(&mut self) -> Result<Vec<SurfaceExpr>, Diagnostic> {
-        let mut args = Vec::new();
-        if matches!(self.peek().kind, TokenKind::RParen) {
-            return Ok(args);
-        }
-        if self.call_args_open_with_named_field() {
-            args.push(self.parse_paren_named_field_call_args()?);
-            return Ok(args);
-        }
-        loop {
-            args.push(self.parse_expr()?);
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(args)
-    }
-
-    fn parse_if(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let if_token = self.bump().clone();
-        debug_assert!(matches!(if_token.kind, TokenKind::KwIf));
-        let cond = self.parse_expr()?;
-        self.expect_kind(TokenKind::KwThen)?;
-        let then_branch = self.parse_expr()?;
-        self.expect_kind(TokenKind::KwElse)?;
-        let else_branch = self.parse_expr()?;
-        let start = if_token.span.byte_start;
-        let end = expr_span(&else_branch).byte_end;
-        Ok(SurfaceExpr::If {
-            cond: Box::new(cond),
-            then_branch: Box::new(then_branch),
-            else_branch: Box::new(else_branch),
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-
-    /// Parse a `match <scrutinee> { <pattern> => <expr> ... }`
-    /// expression. At M1(2.8) patterns are limited to bare variant
-    /// constructors (`Ident`), positional single-payload captures
-    /// (`Variant(binding)`), and named-payload captures
-    /// (`Variant { field: binding }`). Arms are brace-separated with
-    /// optional comma between them for readability; we accept either.
-    fn parse_match(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let match_token = self.bump().clone();
-        debug_assert!(matches!(match_token.kind, TokenKind::KwMatch));
-        let scrutinee = self.parse_expr()?;
-        self.expect_kind(TokenKind::LBrace)?;
-        let mut arms: Vec<SurfaceMatchArm> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            arms.push(self.parse_match_arm()?);
-            // Accept an optional comma between arms.
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        let start = match_token.span.byte_start;
-        let end = close.span.byte_end;
-        Ok(SurfaceExpr::Match {
-            scrutinee: Box::new(scrutinee),
-            arms,
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-
-    fn parse_match_arm(&mut self) -> Result<SurfaceMatchArm, Diagnostic> {
-        let name_token = self.bump().clone();
-        let pattern = match &name_token.kind {
-            TokenKind::Ident(name) => {
-                if matches!(self.peek().kind, TokenKind::LParen) {
-                    self.bump();
-                    let binding_token = self.bump().clone();
-                    let binding_name = match &binding_token.kind {
-                        TokenKind::Ident(binding) => binding.clone(),
-                        other => {
-                            return Err(Diagnostic::ParseError {
-                                message: format!(
-                                    "expected binding name in payload match pattern after `{name}(`, got {other:?}"
-                                ),
-                                span: binding_token.span,
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                            });
-                        }
-                    };
-                    let close = self.expect_kind(TokenKind::RParen)?;
-                    SurfacePattern::VariantWith {
-                        name: name.clone(),
-                        binding: binding_name,
-                        span: SourceSpan::new(
-                            self.file,
-                            name_token.span.byte_start,
-                            close.span.byte_end,
-                        ),
-                    }
-                } else if matches!(self.peek().kind, TokenKind::LBrace) {
-                    let (fields, fields_span) = self.parse_named_pattern_fields()?;
-                    SurfacePattern::VariantFields {
-                        name: name.clone(),
-                        fields,
-                        span: SourceSpan::new(
-                            self.file,
-                            name_token.span.byte_start,
-                            fields_span.byte_end,
-                        ),
-                    }
-                } else {
-                    SurfacePattern::BareVariant {
-                        name: name.clone(),
-                        span: name_token.span.clone(),
-                    }
-                }
-            }
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!(
-                        "expected variant name in match pattern, got {other:?} — M1(2.8) supports `Variant => expr`, `Variant(binding) => expr`, and `Variant {{ field: binding }} => expr`"
-                    ),
-                    span: name_token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-        };
-        self.expect_kind(TokenKind::FatArrow)?;
-        let body = self.parse_expr()?;
-        let start = name_token.span.byte_start;
-        let end = expr_span(&body).byte_end;
-        Ok(SurfaceMatchArm {
-            pattern,
-            body,
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-}
-
-pub(crate) fn expr_span(expr: &SurfaceExpr) -> &SourceSpan {
-    match expr {
-        SurfaceExpr::Literal { span, .. }
-        | SurfaceExpr::Var { span, .. }
-        | SurfaceExpr::Path { span, .. }
-        | SurfaceExpr::Call { span, .. }
-        | SurfaceExpr::VariantRecord { span, .. }
-        | SurfaceExpr::Operator { span, .. }
-        | SurfaceExpr::Lambda { span, .. }
-        | SurfaceExpr::If { span, .. }
-        | SurfaceExpr::Match { span, .. }
-        | SurfaceExpr::Record { span, .. }
-        | SurfaceExpr::List { span, .. }
-        | SurfaceExpr::Map { span, .. }
-        | SurfaceExpr::PathCall { span, .. } => span,
-    }
-}
diff --git a/src/v3/compiler/parse_tables.dag b/src/v3/compiler/parse_tables.dag
deleted file mode 100644
index 725c5f52197..00000000000
--- a/src/v3/compiler/parse_tables.dag
+++ /dev/null
@@ -1,521 +0,0 @@
-// v3.compiler.parse_tables — SG-2c-1 grammar-tables prototype authority.
-//
-// **SG-2c cluster (structural lane) — `parse_primary` prefix + atom family.**
-// Two table surfaces in one function: (A) `PrimaryPrefixRow` / `primary_prefix_dispatch`
-// (SG-2c-6), (B) `PrimaryAtomRow` / `primary_atom_class` (SG-2c-7). Same-PR receipt:
-// authority in this file; `regen_parse_tables` to `parse_tables_generated.rs`;
-// `regen_parse` of `parse_parser_body.txt` to `parse_generated.rs`;
-// `sg2c1_parse_tables_authority_test` ratchet; open-coded `TokenKind` dispatch in
-// `parse_primary` removed in favor of those projections.
-//
-// **Scope.** SG-2c proper (parser authority proper — retiring
-// `parse_parser_body.txt` as parse logic) is blocked on a named
-// substrate capability: recursive list-body emission over `List<Token>`
-// with cursor threading. See `src/v3/std/list.dag:13-15` ("the current
-// compiler still lacks full structural recursion + list-body emission
-// support") and SELF_HOSTING.md §6 Phase 4a. Until that lands, any full
-// `.dag` parser port routes through a hidden Rust host layer, which
-// SG-2c's STOP-AND-ESCALATE bullet forbids.
-//
-// **What this file is.** The bounded, honest subset of parser
-// authority that DOES fit current `.dag` capabilities: pure
-// declarative tables: (1) binary operator token-to-semantics mapping
-// (SG-2c-1), (2) top-level item keyword → `parse_item` dispatch
-// class (SG-2c-2), (3) type-RHS boundary keyword membership
-// (SG-2c-3), (4) bracket opener/closer role membership (SG-2c-4,
-// consumed by the parser's depth-tracking scan helpers `skip_where_clause`
-// and `rhs_is_sum`), (5) primary-expression prefix openers (SG-2c-6,
-// consumed by `parse_primary`), and (6) primary-expression atomic tail tokens
-// after the prefix pass (SG-2c-7, same function). The binary-operator table replaced hand-coded
-// matches across five parser precedence functions in
-// `parse_parser_body.txt`
-// (`parse_logical_or`, `parse_logical_and`, `parse_comparison`,
-// `parse_additive`, `parse_term`). Those functions now call the
-// generated helper `binary_op_at_level` instead of open-coding the
-// token → `OperatorKind` match. **SG-2c cluster (prefix + atom family):** after
-// the `parse_primary` prefix pass (`PrimaryPrefixRow` →
-// `primary_prefix_dispatch`, SG-2c-6), the non-prefix first token of a primary
-// is classified by `PrimaryAtomRow` (SG-2c-7) via `primary_atom_class` so the
-// closed set of `Int`/`true`/`false`/string/lambda/ident forms stays table-owned.
-//
-// **What this file is NOT.** Parser control flow. Cursor mechanics.
-// Error recovery. Item-kind dispatch. Recursive-descent itself. Those
-// remain semantic authority in `parse_parser_body.txt` (explicitly
-// residual; see header there).
-//
-// **Dissolution trigger.** Full parser authority proper (SG-2c
-// proper) is blocked on recursive list-body emission from
-// `std/list.dag`. Once that lands, `parse_parser_body.txt` can be
-// ported to `.dag` as recursive-descent functions on `List<Token>`
-// and this table becomes one data section of a larger `parse.dag`
-// (or merges into a Phase 4b grammar-as-data spec).
-//
-// **Rust projection.** `src/v3/compiler/src/parse_tables_generated.rs`
-// is produced by `cargo run -p v3-compiler --bin regen_parse_tables`
-// — do not hand-edit it. The freshness ratchet lives in
-// `tests/integration/sg2c1_parse_tables_authority_test.rs`.
-//
-// **Same-PR consumer (E-6).** SG-2c-2 projection `top_level_item_dispatch`
-// / Rust `ItemDispatchKind` (derived from keyword rows only) is consumed by the
-// live parser: `parse_item` in `parse_parser_body.txt` (spliced into
-// `parse_generated.rs` via `regen_parse`).
-//
-// **Same-PR consumer (E-6).** SG-2c-3 projection `is_type_rhs_boundary_keyword`
-// is emitted from the existing `TopLevelItemKwRow` facts and consumed by the
-// live parser's type-RHS lookahead helpers `skip_where_clause` and
-// `rhs_is_sum` in `parse_parser_body.txt`.
-//
-// **Same-PR consumer (E-6).** SG-2c-4 projection `bracket_role` / `BracketRole`
-// is emitted from `BracketRow` facts and consumed by the same type-RHS
-// helpers `skip_where_clause` and `rhs_is_sum` in `parse_parser_body.txt`,
-// replacing two duplicated inline bracket-membership match blocks.
-//
-// **Same-PR consumer (E-6).** SG-2c-6 projection `primary_prefix_dispatch` /
-// `PrimaryPrefixDispatch` is emitted from `PrimaryPrefixRow` facts and
-// consumed by `parse_primary` in `parse_parser_body.txt`, replacing the
-// four inline `if matches!(peek, …)` prefix probes.
-//
-// **Same-PR consumer (E-6).** SG-2c-7 projection `primary_atom_class` /
-// `PrimaryAtomClass` is emitted from `PrimaryAtomRow` facts and consumed
-// in the same `parse_primary` function after the prefix pass, replacing the
-// open `match` on the post-bump `TokenKind` for atomic primary forms.
-
-module v3.compiler.parse_tables
-
-// Precedence level of a binary operator. Mirrors the five parser
-// precedence functions in `parse_parser_body.txt` (lowest to highest
-// binding): logical-or, logical-and, comparison, additive,
-// multiplicative. The parser consumes this enum by filtering
-// `binary_op_at_level(token, LEVEL)` at each precedence function.
-//
-// Dissolution classification: **🟡 YELLOW (scaffold)** per
-// `docs/modeling-discipline.md` §4. A richer source exists
-// (precedence is a 1D numeric ordering — Pattern 4), but
-// extraction is not cheap today: a precedence-climbing surface
-// grammar reformulation rides the same lane as SG-2c proper,
-// which is blocked on recursive list-body emission over
-// `List<Token>`. See trigger at the bottom of this ledger.
-//
-// Dissolution ledger (4-pattern check per THESIS §"Structural
-// decompression"; MODELING M7 / feedback_coproduct_dissolution):
-// - **Pattern 1 (fact placement)**: fails. Each variant is just a
-//   coordinate key, not a distinct payload shape. Scattering into
-//   five per-variant side tables ("is_or_level", "is_and_level", ...)
-//   would duplicate `BinaryOpRow` per level with no payload
-//   difference, adding dispatch rather than removing it.
-// - **Pattern 2 (variant-is-data)**: fails. All variants are nullary
-//   and structurally identical — this IS the discriminant-only shape;
-//   a unified representation would be the enum itself.
-// - **Pattern 3 (algebraic form)**: fails. There is no shared
-//   algebra the five variants inhabit; they are distinct parser
-//   control-flow points, not elements of a computed structure.
-// - **Pattern 4 (dimensional)**: **passes structurally, deferred
-//   on substrate**. Precedence is a 1D total order
-//   (Or < And < Comparison < Additive < Multiplicative) and could
-//   be encoded as `Int where 1 <= n <= 5`. Not extracted today
-//   because (a) the only consumer is five hand-authored parser
-//   functions in `parse_parser_body.txt` that select by name —
-//   there is no algebraic consumer that exploits the dimension
-//   yet, so collapsing to `Int` loses `binary_op_at_level`'s
-//   exhaustive `match (tk, level)` without a corresponding gain;
-//   (b) the consumer itself (the recursive-descent parser) is
-//   pinned as residual semantic authority, blocked on the same
-//   substrate gap as SG-2c proper.
-//
-// **Named trigger (YELLOW):** when surface-grammar precedence is
-// reformulated as a structural fact — i.e. a precedence-climbing
-// interpreter reading a numeric ordering — dissolve `BinaryOpLevel`
-// to `Int where 1 <= n <= 5` and let the interpreter consume the
-// dimension. That reformulation rides the same lane as SG-2c
-// proper (retiring `parse_parser_body.txt`), which is blocked on
-// recursive list-body emission over `List<Token>` per
-// `src/v3/std/list.dag:13-15`. Both dissolutions unlock together.
-type BinaryOpLevel
-  = Or
-  | And
-  | Comparison
-  | Additive
-  | Multiplicative
-
-// One row per binary-operator token. `token_variant` is the
-// `TokenKind` variant name (e.g. "PipePipe"); `operator_symbol` is
-// the canonical operator spelling that `operators.dag::from_symbol`
-// already maps to an `OperatorKind`; `level` is the parser
-// precedence function that should consume this token. Keyed on the
-// textual variant name to avoid importing `tokenize.TokenKind` here
-// (scope: declarative data only, not cross-module structural
-// matching — that widens to SG-2c proper).
-//
-// **Grounding in the shared-syntax authority.** Each row is
-// structurally cross-validated at regen time, so the table is a
-// projection of the shared authority rather than a parallel
-// restatement. Four joins close every drift surface:
-// - `token_variant` must match a `TokenKind` variant in `tokenize.dag`
-// - `operator_symbol` must map to an `OperatorKind` via
-//   `operators.dag::from_symbol`
-// - `(operator_symbol, level)` must agree with `dag_operators` in
-//   `dsl/extdeps/languages/dag/syntax.dag`: the canonical
-//   `left_bp` for the symbol must fall inside the bp band assigned
-//   to the declared `level` (see `level_for_bp` in
-//   `regen_parse_tables_emit.rs`)
-// - the `OperatorKind` returned by `operators.dag::from_symbol` must
-//   have a leaf variant whose name matches the shared authority's
-//   `binop` field — so `operators.dag` and `dag_operators` cannot
-//   disagree on what a symbol means
-// If any shared authority shifts, regen fails closed here before
-// any parser change ships.
-type BinaryOpRow {
-  token_variant: String
-  operator_symbol: String
-  level: BinaryOpLevel
-}
-
-data binary_op_pipepipe: BinaryOpRow = {
-  token_variant: "PipePipe"
-  operator_symbol: "||"
-  level: Or
-}
-
-data binary_op_ampamp: BinaryOpRow = {
-  token_variant: "AmpAmp"
-  operator_symbol: "&&"
-  level: And
-}
-
-data binary_op_eqeq: BinaryOpRow = {
-  token_variant: "EqEq"
-  operator_symbol: "=="
-  level: Comparison
-}
-
-data binary_op_noteq: BinaryOpRow = {
-  token_variant: "NotEq"
-  operator_symbol: "!="
-  level: Comparison
-}
-
-data binary_op_lt: BinaryOpRow = {
-  token_variant: "Lt"
-  operator_symbol: "<"
-  level: Comparison
-}
-
-data binary_op_le: BinaryOpRow = {
-  token_variant: "Le"
-  operator_symbol: "<="
-  level: Comparison
-}
-
-data binary_op_gt: BinaryOpRow = {
-  token_variant: "Gt"
-  operator_symbol: ">"
-  level: Comparison
-}
-
-data binary_op_ge: BinaryOpRow = {
-  token_variant: "Ge"
-  operator_symbol: ">="
-  level: Comparison
-}
-
-data binary_op_plus: BinaryOpRow = {
-  token_variant: "Plus"
-  operator_symbol: "+"
-  level: Additive
-}
-
-data binary_op_minus: BinaryOpRow = {
-  token_variant: "Minus"
-  operator_symbol: "-"
-  level: Additive
-}
-
-data binary_op_star: BinaryOpRow = {
-  token_variant: "Star"
-  operator_symbol: "*"
-  level: Multiplicative
-}
-
-data binary_op_slash: BinaryOpRow = {
-  token_variant: "Slash"
-  operator_symbol: "/"
-  level: Multiplicative
-}
-
-// --- SG-2c-2: top-level item keyword dispatch (`parse_item` in
-// `parse_parser_body.txt`). Each row lists one dedicated keyword
-// `TokenKind` variant. **Substrate authority is only `token_variant`**.
-// Regen emits the Rust projection `ItemDispatchKind` by taking the unique
-// set of `strip_prefix("Kw")` labels from all rows (`KwLet` → `Let`) — there
-// is **no** separate `ItemDispatchKind` coproduct authored here (M7 / one
-// domain, one authority in `parse_tables.dag`).
-//
-// Dispatch classification for top-level item forms — discriminant-only
-// projection keyed by authoritative lexer tokens (join `tokenize.dag`).
-//
-// Dissolution classification: **🟡 YELLOW (scaffold)** per
-// `docs/modeling-discipline.md` §4. Same structural situation as
-// `BinaryOpLevel`: each emitted enum variant is a parser entry coordinate, not a
-// distinct payload algebra; full dissolution rides SG-2c proper (blocked
-// on recursive list-body emission over `List<Token>`).
-//
-// Dissolution ledger (4-pattern check):
-// - **Pattern 1 (fact placement)**: fails. Dispatch keys are coordinate keys for
-//   `parse_*_item` entry points, not relocatable facts.
-// - **Pattern 2 (variant-is-data)**: **passes**: substrate rows are
-//   `token_variant` only; the Rust `ItemDispatchKind` enum is a pure projection
-//   over those strings, not a second `.dag` coproduct.
-// - **Pattern 3 (algebraic form)**: fails. No shared algebra across item forms.
-// - **Pattern 4 (dimensional)**: fails / not applicable (cardinality comes only from
-//   how many `TopLevelItemKwRow` facts exist, not from a substrate enum type).
-//
-// **M7 note:** there is **no** `type ItemDispatchKind` in `parse_tables.dag` — only
-// `TopLevelItemKwRow` rows. Rust `ItemDispatchKind` is regen-only (unique `Kw`-strip
-// labels); not a second authored closed set in substrate.
-//
-// **Named trigger (YELLOW):** dissolve with SG-2c proper when
-// `parse_parser_body.txt` ports to `.dag` list-body recursion.
-
-// Authored fact: which `TokenKind` keyword opens a top-level item (dispatch
-// label for Rust is `token_variant.strip_prefix("Kw")`, validated at regen).
-//
-// **M7 / INVARIANTS (single authority, consumed).** Not a shadow table: regen
-// (`regen_parse_tables_emit::collect_top_level_item_kw_rows` → `emit_module`)
-// validates each row against `tokenize.dag` and emits
-// `parse_tables_generated.rs` (`ItemDispatchKind` + `top_level_item_dispatch`; enum is projection-only).
-// The live parser calls `top_level_item_dispatch` from `parse_item`
-// (`parse_parser_body.txt`, spliced into `parse_generated.rs`). Ratchet:
-// `sg2c1_parse_tables_authority_test` + checked-in generated module snapshot.
-type TopLevelItemKwRow {
-  token_variant: String
-}
-
-// Each row below feeds `collect_top_level_item_kw_rows` → emitted
-// `parse_tables_generated.rs::top_level_item_dispatch`; `parse_item` calls that
-// helper instead of matching `TokenKind::Kw*` — not a duplicate dispatch table.
-
-data top_level_kw_let: TopLevelItemKwRow = {
-  token_variant: "KwLet"
-}
-
-data top_level_kw_fn: TopLevelItemKwRow = {
-  token_variant: "KwFn"
-}
-
-data top_level_kw_type: TopLevelItemKwRow = {
-  token_variant: "KwType"
-}
-
-data top_level_kw_module: TopLevelItemKwRow = {
-  token_variant: "KwModule"
-}
-
-data top_level_kw_import: TopLevelItemKwRow = {
-  token_variant: "KwImport"
-}
-
-data top_level_kw_data: TopLevelItemKwRow = {
-  token_variant: "KwData"
-}
-
-// --- SG-2c-5: keyword-token aliases that the parser accepts as bare
-// identifier spellings in label/name positions. Today this is the
-// `KwType -> "type"` carveout used by both record-field labels and sum-variant names.
-// The parser consumes the generated
-// `soft_keyword_ident_spelling` projection rather than duplicating the
-// `TokenKind::KwType => "type"` match at each call site.
-//
-// Dissolution classification: **🟡 YELLOW (scaffold)**. Same shape as
-// `TopLevelItemKwRow`: substrate rows author only `token_variant`; the
-// Rust string spelling is a projection (`Kw` prefix stripped and
-// lowercased), not a second `.dag` field. Full dissolution rides
-// SG-2c proper when parser control flow ports out of
-// `parse_parser_body.txt`.
-type SoftKeywordIdentRow {
-  token_variant: String
-}
-
-data soft_keyword_ident_type: SoftKeywordIdentRow = {
-  token_variant: "KwType"
-}
-
-// --- SG-2c-4: bracket opener / closer membership table. Parser helpers
-// that skip or scan token spans while tracking paren/brace/bracket depth
-// (`skip_where_clause`, `rhs_is_sum` in `parse_parser_body.txt`) dispatch
-// on exactly this three-pair set. Authored here once and consumed via
-// the generated `bracket_role` projection; the two duplicated inline
-// `TokenKind::L{Paren,Brace,Bracket}` / `TokenKind::R{Paren,Brace,Bracket}`
-// match blocks collapse to one structural lookup.
-//
-// Dissolution classification: **🟡 YELLOW (scaffold)** per
-// `docs/modeling-discipline.md` §4. Same structural situation as the
-// other SG-2c tables: each emitted `BracketRole` variant is a
-// parser-dispatch coordinate, not a distinct payload algebra; full
-// dissolution rides SG-2c proper (blocked on recursive list-body
-// emission over `List<Token>`).
-//
-// Dissolution ledger (4-pattern check):
-// - **Pattern 1 (fact placement)**: fails. Role is a coordinate key for
-//   depth-tracking control flow, not a relocatable payload.
-// - **Pattern 2 (variant-is-data)**: **passes**: substrate rows are
-//   `token_variant` only; the Rust `BracketRole` enum is a pure
-//   projection derived from the `L`/`R` prefix at regen time, not a
-//   second `.dag` coproduct and not a separately authored field (same
-//   one-authority shape as `TopLevelItemKwRow` → `ItemDispatchKind`).
-// - **Pattern 3 (algebraic form)**: fails. Openers and closers are
-//   not elements of a shared computed algebra at this level; bracket
-//   pairing is enforced by the grammar structurally, not here.
-// - **Pattern 4 (dimensional)**: fails. Not a numeric ordering.
-//
-// **Named trigger (YELLOW):** dissolve with SG-2c proper when
-// `parse_parser_body.txt` ports to `.dag` list-body recursion and the
-// depth-tracking helpers become structural traversals rather than
-// token-index scans.
-
-// One row per bracketing `TokenKind` variant. Keyed on the textual
-// variant name (same convention as `BinaryOpRow` / `TopLevelItemKwRow`)
-// and cross-validated against `tokenize.dag::TokenKind` at regen.
-//
-// **M7 / INVARIANTS (single authority).** `token_variant` is the only
-// authored field; `BracketRole` is emitted by regen as a pure projection
-// over the `L`/`R` prefix of each row's `token_variant` — not authored
-// here as a separate field or as a `.dag` coproduct. Mirrors
-// `TopLevelItemKwRow` → `ItemDispatchKind` (dispatch label derived via
-// `strip_prefix("Kw")`): one authored fact, role follows structurally.
-type BracketRow {
-  token_variant: String
-}
-
-data bracket_lparen: BracketRow = {
-  token_variant: "LParen"
-}
-
-data bracket_lbrace: BracketRow = {
-  token_variant: "LBrace"
-}
-
-data bracket_lbracket: BracketRow = {
-  token_variant: "LBracket"
-}
-
-data bracket_rparen: BracketRow = {
-  token_variant: "RParen"
-}
-
-data bracket_rbrace: BracketRow = {
-  token_variant: "RBrace"
-}
-
-data bracket_rbracket: BracketRow = {
-  token_variant: "RBracket"
-}
-
-// --- SG-2c-6: `parse_primary` prefix opener dispatch. Before the
-// post-bump atomic match (`IntLit`, booleans, `StringLit`, `|`, ident),
-// `parse_primary` dispatches on exactly this closed set of peek tokens:
-// `if`, `match`, `{`, `[` → dedicated parsers. Authored here once;
-// `PrimaryPrefixDispatch` is regen-only (projection over `token_variant`
-// rows — same M7 shape as `TopLevelItemKwRow` → `ItemDispatchKind`).
-//
-// Dissolution classification: **🟡 YELLOW (scaffold)** per
-// `docs/modeling-discipline.md` §4. Same structural situation as the
-// other SG-2c tables: each emitted `PrimaryPrefixDispatch` variant is a
-// parser entry coordinate for a dedicated `parse_*` arm, not a distinct
-// payload algebra; full dissolution rides SG-2c proper (blocked on
-// recursive list-body emission over `List<Token>`).
-//
-// Dissolution ledger (4-pattern check):
-// - **Pattern 1 (fact placement)**: fails. Prefix keys are coordinate keys
-//   for `parse_if` / `parse_match` / `parse_record_literal` /
-//   `parse_list_literal` entry points, not relocatable facts.
-// - **Pattern 2 (variant-is-data)**: **passes**: substrate rows are
-//   `token_variant` only; the Rust `PrimaryPrefixDispatch` enum is a pure
-//   projection at regen time, not a second `.dag` coproduct.
-// - **Pattern 3 (algebraic form)**: fails. No shared algebra across these
-//   four distinct primary forms at this token-dispatch layer.
-// - **Pattern 4 (dimensional)**: fails. Not a numeric ordering.
-//
-// **Named trigger (YELLOW):** dissolve with SG-2c proper when
-// `parse_parser_body.txt` ports to `.dag` list-body recursion over
-// `List<Token>` (substrate capability per `src/v3/std/list.dag:13-15`) and
-// `parse_primary` prefix openers become structural dispatch in the ported
-// parse module — this `PrimaryPrefixRow` table folds into that parse
-// authority instead of a separate regen-only Rust host shim.
-//
-// **M7 note:** no `type PrimaryPrefixDispatch` in substrate — only
-// `PrimaryPrefixRow { token_variant }`; Rust enum labels derive at regen
-// (`Kw*` → `strip_prefix("Kw")`; `LBrace` → `Record`; `LBracket` → `List`).
-
-type PrimaryPrefixRow {
-  token_variant: String
-}
-
-data primary_prefix_kw_if: PrimaryPrefixRow = {
-  token_variant: "KwIf"
-}
-
-data primary_prefix_kw_match: PrimaryPrefixRow = {
-  token_variant: "KwMatch"
-}
-
-data primary_prefix_lbrace: PrimaryPrefixRow = {
-  token_variant: "LBrace"
-}
-
-data primary_prefix_lbracket: PrimaryPrefixRow = {
-  token_variant: "LBracket"
-}
-
-data primary_prefix_caret: PrimaryPrefixRow = {
-  token_variant: "Caret"
-}
-
-// --- SG-2c-7: `parse_primary` atomic tail (after prefix pass). The bump that
-// follows a non-prefix `peek` must be one of: integer literal, boolean
-// keyword literals, string, `Pipe` (single `|`, not `PipeArrow` / `|>`) for
-// lambda syntax, or identifier — the
-// closed set that the parser accepts as a primary expression *atom*. Authored
-// here once; `PrimaryAtomClass` and `primary_atom_class` are regen-only
-// (projection over `token_variant` rows, same M7 shape as
-// `PrimaryPrefixRow` → `PrimaryPrefixDispatch`).
-//
-// **Cluster boundary (SG-2c wave).** This table pairs with SG-2c-6: both are
-// `parse_primary`-local dispatch; together they form one “parser dispatch
-// family” extraction (prefix openers + atomic forms) under a single
-// `parse_tables` authority surface.
-//
-// Dissolution classification: **🟡 YELLOW (scaffold)**. Same as other
-// `parse_tables` row families. Full dissolution rides SG-2c proper (blocked
-// on recursive `List<Token>` list-body emission).
-type PrimaryAtomRow {
-  token_variant: String
-}
-
-// Dispatch labels (Rust `PrimaryAtomClass` variants) derive at regen: see
-// `primary_atom_class_label_from_token_variant` in `regen_parse_tables_emit.rs`
-// (closed allowlist: `IntLit` → `IntLiteral`, `Kw{True,False}` → `{True,False}`,
-// `StringLit` → `String`, `Pipe` → `Pipe`, `Ident` → `Ident`).
-
-data primary_atom_int_lit: PrimaryAtomRow = {
-  token_variant: "IntLit"
-}
-
-data primary_atom_kw_true: PrimaryAtomRow = {
-  token_variant: "KwTrue"
-}
-
-data primary_atom_kw_false: PrimaryAtomRow = {
-  token_variant: "KwFalse"
-}
-
-data primary_atom_string_lit: PrimaryAtomRow = {
-  token_variant: "StringLit"
-}
-
-data primary_atom_pipe: PrimaryAtomRow = {
-  token_variant: "Pipe"
-}
-
-data primary_atom_ident: PrimaryAtomRow = {
-  token_variant: "Ident"
-}
diff --git a/src/v3/compiler/pipeline.dag b/src/v3/compiler/pipeline.dag
deleted file mode 100644
index 7eb6bd69215..00000000000
--- a/src/v3/compiler/pipeline.dag
+++ /dev/null
@@ -1,121 +0,0 @@
-module v3.compiler.pipeline
-
-import v3.std.substrate { Dag }
-import v3.spec.v3_l1 { DeclarationRef }
-import v3.spec.rust { LanguageSpec }
-
-// L1.5 pipeline authority. The staged bootstrap upgrades the five
-// stage declarations below to `ArrowBody::ExternalRealization`
-// bodies so the declaration table carries the intended host-backed
-// execution shape. The source bodies stay trivially type-correct so
-// the file parses and lowers cleanly today.
-
-type CompilerHostRealization {
-  symbol: String
-}
-
-type PipelineSnapshotKind = SnapshotSurface | SnapshotDag | SnapshotText
-
-type PipelineStageBinding {
-  stage: DeclarationRef
-  realization: DeclarationRef
-  snapshot: PipelineSnapshotKind
-}
-
-data parse_realization: CompilerHostRealization = {
-  symbol: "v3_compiler::parse"
-}
-
-data lower_realization: CompilerHostRealization = {
-  symbol: "v3_compiler::lower"
-}
-
-data infer_realization: CompilerHostRealization = {
-  symbol: "v3_compiler::infer"
-}
-
-data compute_ownership_realization: CompilerHostRealization = {
-  symbol: "v3_compiler::compute_ownership"
-}
-
-data emit_realization: CompilerHostRealization = {
-  symbol: "v3_compiler::emit"
-}
-
-data lens_complexity_realization: CompilerHostRealization = {
-  symbol: "v3_compiler::lens_complexity"
-}
-
-data parse_stage_binding: PipelineStageBinding = {
-  stage: parse
-  realization: parse_realization
-  snapshot: SnapshotSurface
-}
-
-data lower_stage_binding: PipelineStageBinding = {
-  stage: lower
-  realization: lower_realization
-  snapshot: SnapshotDag
-}
-
-data infer_stage_binding: PipelineStageBinding = {
-  stage: infer
-  realization: infer_realization
-  snapshot: SnapshotDag
-}
-
-data compute_ownership_stage_binding: PipelineStageBinding = {
-  stage: compute_ownership
-  realization: compute_ownership_realization
-  snapshot: SnapshotDag
-}
-
-data lens_complexity_stage_binding: PipelineStageBinding = {
-  stage: lens_complexity
-  realization: lens_complexity_realization
-  snapshot: SnapshotDag
-}
-
-data emit_stage_binding: PipelineStageBinding = {
-  stage: emit
-  realization: emit_realization
-  snapshot: SnapshotText
-}
-
-fn parse(source: String, file: String) -> Dag {
-  host parse
-}
-
-fn lower(dag: Dag) -> Dag {
-  host lower
-}
-
-fn infer(dag: Dag) -> Dag {
-  host infer
-}
-
-fn compute_ownership(dag: Dag) -> Dag {
-  host ownership
-}
-
-fn lens_complexity(dag: Dag) -> Dag {
-  host complexity
-}
-
-fn emit(
-  inferred: Dag,
-  ownership: Dag,
-  complexity: Dag,
-  spec: LanguageSpec
-) -> String {
-  host emit
-}
-
-fn compile(source: String, file: String, spec: LanguageSpec) -> String {
-  parse
-  lower
-  infer
-  compute_ownership
-  lens_complexity
-  emit
-}
diff --git a/src/v3/compiler/regen.dag b/src/v3/compiler/regen.dag
deleted file mode 100644
index d488f279db9..00000000000
--- a/src/v3/compiler/regen.dag
+++ /dev/null
@@ -1,129 +0,0 @@
-module v3.compiler.regen
-
-import std.types { FilePath, NonEmptyStr }
-
-// Lens regen registry. Each `data <name>_entry: LensRegistryEntry`
-// record below is picked up structurally by the `regen_lens` binary
-// (`dag.declarations().filter(meta_tag == LensRegistryEntry)`), which
-// then reads `lens_file`, emits the Rust projection via
-// `emit_rust_module`, and writes to `generated_file`. Mirrors the
-// `PipelineStageBinding` pattern in `src/v3/compiler/pipeline.dag`.
-//
-// Adding a new generated lens is a pure `.dag` edit: drop the lens
-// source in `src/v3/lenses/`, add a `data ..._entry: LensRegistryEntry`
-// record here with the three paths filled in, and
-// `cargo run -p v3-compiler --bin regen_lens` picks it up. No
-// per-lens Rust driver is added or edited.
-//
-// `name` composes from `std.types::NonEmptyStr` (= `String where
-// non_empty`) so the `--lens <name>` selector key cannot encode an
-// empty string. `lens_file` and `generated_file` compose from
-// `std.types::FilePath` (also `String where non_empty`) per
-// MODELING M9 — every field attaches to the existing path/identifier
-// vocabulary rather than reintroduce a raw `String`. Refinement
-// means empty-string entries cannot be lowered into the registry,
-// closing the "illegal states representable" hole that a raw
-// `String` would leave open across all three fields.
-//
-// **Band-C cementing dispatch.** Each new `LensRegistryEntry` must
-// update `docs/v3-lens-capability-register.md` (see its Discipline
-// section). If the register row is `BEHAVIORALLY COMPLETE` and names
-// a concrete v2 counterpart, add a matching behavioral cementing
-// module under `src/v3/compiler/tests/integration/cementing/`, wire it
-// in `tests/integration.rs` via `#[path = "integration/cementing/<stem>.rs"]`,
-// extend `src/v3/std/verification.dag` (`data lens_capability_register_rows`) and
-// `src/v3/compiler/tests/dag/cementing_dispatch.dag` (receipt list) in the same PR
-// (runner receipt: `t_pb_b_1_dag_runner_test::cementing_dispatch_suite_passes_through_runner`).
-// See `TESTING.md` ("Cementing tests (Band C — lens subsumption)").
-
-type LensRegistryEntry {
-  name: NonEmptyStr
-  lens_file: FilePath
-  generated_file: FilePath
-}
-
-data lens_cost_entry: LensRegistryEntry = {
-  name: "cost"
-  lens_file: "src/v3/lenses/complexity.dag"
-  generated_file: "src/v3/compiler/src/complexity_lens_generated.rs"
-}
-
-data lens_cost_symbolic_entry: LensRegistryEntry = {
-  name: "cost_symbolic"
-  lens_file: "src/v3/lenses/cost.dag"
-  generated_file: "src/v3/compiler/src/cost_symbolic_lens_generated.rs"
-}
-
-data lens_cost_target_realization_entry: LensRegistryEntry = {
-  name: "cost_target_realization"
-  lens_file: "src/v3/lenses/cost_target_realization.dag"
-  generated_file: "src/v3/compiler/src/lens_cost_target_realization_generated.rs"
-}
-
-data lens_effect_enumeration_entry: LensRegistryEntry = {
-  name: "effect_enumeration"
-  lens_file: "src/v3/lenses/effect_enumeration.dag"
-  generated_file: "src/v3/compiler/src/lens_effect_enumeration_generated.rs"
-}
-
-data lens_parallelism_entry: LensRegistryEntry = {
-  name: "parallelism"
-  lens_file: "src/v3/lenses/parallelism.dag"
-  generated_file: "src/v3/compiler/src/lens_parallelism_generated.rs"
-}
-
-data lens_idempotency_entry: LensRegistryEntry = {
-  name: "idempotency"
-  lens_file: "src/v3/lenses/idempotency.dag"
-  generated_file: "src/v3/compiler/src/lens_idempotency_generated.rs"
-}
-
-data lens_provenance_entry: LensRegistryEntry = {
-  name: "provenance"
-  lens_file: "src/v3/lenses/provenance.dag"
-  generated_file: "src/v3/compiler/src/lens_provenance_generated.rs"
-}
-
-data lens_structural_resolution_entry: LensRegistryEntry = {
-  name: "structural_resolution"
-  lens_file: "src/v3/lenses/structural_resolution.dag"
-  generated_file: "src/v3/compiler/src/lens_structural_resolution_generated.rs"
-}
-
-data lens_unused_parameters_entry: LensRegistryEntry = {
-  name: "unused_parameters"
-  lens_file: "src/v3/lenses/unused_parameters.dag"
-  generated_file: "src/v3/compiler/src/lens_unused_parameters_generated.rs"
-}
-
-// Absorbed from SG-4 prep (PR #562): `regen_infer_helpers.rs` was
-// landed as a per-file regen driver mirroring the deleted
-// `regen_lens_*` bins, explicitly flagged in its own header as
-// "SG-6 owns folding all of these into a single generic regen
-// target". This is that absorption. `infer_helpers.dag` is a lens
-// in the broad sense the registry uses (reads substrate Dag, emits
-// a Rust module via `emit_rust_module`), so it fits the existing
-// `LensRegistryEntry` shape without a rename. A future `.dag`
-// artifact that is genuinely non-lens would trigger the widening
-// to a `GeneratedArtifactEntry` carrier.
-data lens_infer_helpers_entry: LensRegistryEntry = {
-  name: "infer_helpers"
-  lens_file: "src/v3/lenses/infer_helpers.dag"
-  generated_file: "src/v3/compiler/src/infer_helpers_generated.rs"
-}
-
-data lens_variant_payload_entry: LensRegistryEntry = {
-  name: "variant_payload"
-  lens_file: "src/v3/lenses/variant_payload.dag"
-  generated_file: "src/v3/compiler/src/variant_payload_generated.rs"
-}
-
-// SG-3g prototype — first `.dag`-authority lowering helper. Slice
-// rationale and emitter gaps that blocked wider extraction are in
-// `lenses/lower_helpers.dag`. `lower.rs` consumes `expr_span` via
-// `crate::lower_helpers` (SG-3g-b wire-in).
-data lens_lower_helpers_entry: LensRegistryEntry = {
-  name: "lower_helpers"
-  lens_file: "src/v3/lenses/lower_helpers.dag"
-  generated_file: "src/v3/compiler/src/lower_helpers_generated.rs"
-}
diff --git a/src/v3/compiler/src/bin/boundary_emit_gates.rs b/src/v3/compiler/src/bin/boundary_emit_gates.rs
deleted file mode 100644
index 56e11a663c9..00000000000
--- a/src/v3/compiler/src/bin/boundary_emit_gates.rs
+++ /dev/null
@@ -1,55 +0,0 @@
-// `eprintln!` is on the project's disallowed-macros list (library code must
-// use structured error returns). Binary entrypoints may opt in per the lint
-// note; this bin is a host-shim whose only behavior is exit-code + stderr
-// for human debugging when a gate fails.
-#![allow(clippy::disallowed_macros)]
-
-//! Boundary emit — `ExecuteCommand` logical child for `.dag` `TestClaim`
-//! wrappers (`tests/dag/boundary_emit_gates.template.dag`). Subcommands wrap
-//! `v3_compiler::boundary_emit_gates::check_*` so hand-Rust `#[test]` harnesses
-//! and `.dag`-driven gates share one implementation.
-
-use std::process::ExitCode;
-
-use v3_compiler::boundary_emit_gates;
-
-fn usage() -> ! {
-    eprintln!(
-        "usage: boundary_emit_gates <subcommand>\n\
-         subcommands: m2-destructure-alias | m2-arm-aliased-ref | m2-rustfmt-valid | \
-         python-checked-division-roundtrip"
-    );
-    std::process::exit(2);
-}
-
-fn main() -> ExitCode {
-    let mut args = std::env::args().skip(1);
-    let sub = args.next().unwrap_or_else(|| usage());
-    if args.next().is_some() {
-        usage();
-    }
-
-    let result = match sub.as_str() {
-        "m2-destructure-alias" => {
-            boundary_emit_gates::check_m2_multi_field_struct_variant_destructure_alias()
-        }
-        "m2-arm-aliased-ref" => {
-            boundary_emit_gates::check_m2_multi_field_struct_variant_arm_aliased_ref()
-        }
-        "m2-rustfmt-valid" => {
-            boundary_emit_gates::check_m2_multi_field_struct_variant_rustfmt_valid()
-        }
-        "python-checked-division-roundtrip" => {
-            boundary_emit_gates::check_python_checked_division_roundtrips()
-        }
-        _ => usage(),
-    };
-
-    match result {
-        Ok(()) => ExitCode::SUCCESS,
-        Err(detail) => {
-            eprintln!("boundary_emit_gates {sub}: {detail}");
-            ExitCode::FAILURE
-        }
-    }
-}
diff --git a/src/v3/compiler/src/bin/r1c_e_emit_gates.rs b/src/v3/compiler/src/bin/r1c_e_emit_gates.rs
deleted file mode 100644
index 73c11a9d0c1..00000000000
--- a/src/v3/compiler/src/bin/r1c_e_emit_gates.rs
+++ /dev/null
@@ -1,64 +0,0 @@
-// `eprintln!` is on the project's disallowed-macros list (library code must
-// use structured error returns). Binary entrypoints may opt in per the lint
-// note; this bin is a host-shim whose only behavior is exit-code + stderr
-// for human debugging when a gate fails.
-#![allow(clippy::disallowed_macros)]
-
-//! R1C-E — `ExecuteCommand` logical child for the T-Emit `.dag` `TestClaim`
-//! wrappers. The on-disk `.dag` template (path resolved by the matching
-//! integration-test driver) substitutes `env!("CARGO_BIN_EXE_r1c_e_emit_gates")`
-//! at test-crate compile time so no checked-in absolute path goes stale.
-//!
-//! Each subcommand calls into `v3_compiler::r1c_e_gates::check_*`. The function
-//! returns `Ok(())` (exit 0) or `Err(detail)` (write detail to stderr, exit 1).
-//! `ExecuteCommand` reads only the exit code — stderr is for human debugging
-//! when a gate flips red.
-//!
-//! Subcommands (one per `.dag` `TestClaim` in the R1C-E template set):
-//!   - `generic-bounds`  → `check_generic_bounds_survive`
-//!   - `rust-fixtures`  → `check_emit_rust_fixtures_rustc_green`
-//!   - `omni-demo`  → `check_omni_demo_fixtures_green` (requires `go` + `python3`)
-//!   - `program-fixtures-post-emit` → `check_program_fixtures_post_emit_clean_all_targets`
-//!     (requires `rustc`, `gofmt`, and `python3` on PATH)
-//!
-//! Adding a subcommand: extend the `match` below and the `.dag` template in
-//! lockstep. **Do not** add stdin/stdout capture or recursive `cargo` here —
-//! see PR #792 for the bounded `ExecuteCommand` discipline.
-
-use std::process::ExitCode;
-
-use v3_compiler::r1c_e_gates;
-
-fn usage() -> ! {
-    eprintln!(
-        "usage: r1c_e_emit_gates <subcommand>\n\
-         subcommands: generic-bounds | rust-fixtures | omni-demo | program-fixtures-post-emit"
-    );
-    std::process::exit(2);
-}
-
-fn main() -> ExitCode {
-    let mut args = std::env::args().skip(1);
-    let sub = args.next().unwrap_or_else(|| usage());
-    if args.next().is_some() {
-        usage();
-    }
-
-    let result = match sub.as_str() {
-        "generic-bounds" => r1c_e_gates::check_generic_bounds_survive(),
-        "rust-fixtures" => r1c_e_gates::check_emit_rust_fixtures_rustc_green(),
-        "omni-demo" => r1c_e_gates::check_omni_demo_fixtures_green(),
-        "program-fixtures-post-emit" => {
-            r1c_e_gates::check_program_fixtures_post_emit_clean_all_targets()
-        }
-        _ => usage(),
-    };
-
-    match result {
-        Ok(()) => ExitCode::SUCCESS,
-        Err(detail) => {
-            eprintln!("r1c_e_emit_gates {sub}: {detail}");
-            ExitCode::FAILURE
-        }
-    }
-}
diff --git a/src/v3/compiler/src/bin/regen_bootstrap.rs b/src/v3/compiler/src/bin/regen_bootstrap.rs
deleted file mode 100644
index 618842a54c3..00000000000
--- a/src/v3/compiler/src/bin/regen_bootstrap.rs
+++ /dev/null
@@ -1,162 +0,0 @@
-//! Regenerate `bootstrap_*_generated.rs` snapshots from on-disk `.dag` sources.
-//!
-//! This binary is the sole `v3-compiler` target with `required-features =
-//! ["bootstrap-regen-fresh"]`, so the fresh-parse bootstrap subgraph is not part
-//! of the default library build graph.
-//!
-//! PB-1-e mechanism (ii): the **fresh-compile vs committed snapshot** gate lives
-//! here, not in `cargo test`. Use `--verify` in CI (or before push) to assert the
-//! checked-in `bootstrap_*.rs` files match a from-scratch compile; omit `--verify`
-//! to write updated snapshots after intentional `.dag` changes.
-//!
-//! Local invocation (feature is required):
-//! `cargo run -p v3-compiler --features bootstrap-regen-fresh --bin regen_bootstrap`
-//! (append `-- --verify` to check without writing).
-
-use std::env;
-use std::fs;
-use std::io::{self, Write};
-use std::path::{Path, PathBuf};
-
-use v3_compiler::{
-    compile_full_bootstrap_dag_from_std_seed,
-    compile_full_bootstrap_without_parse_surface_dag_from_std_seed, compile_std_bootstrap_dag,
-    generated_files::GENERATED_FILES, render_bootstrap_generated_rs,
-    render_bootstrap_std_generated_rs,
-};
-
-const GENERATED_STD_FILE: &str = "src/v3/compiler/src/bootstrap_std_generated.rs";
-const GENERATED_FULL_FILE: &str = "src/v3/compiler/src/bootstrap_generated.rs";
-const GENERATED_NO_PARSE_SURFACE_FILE: &str =
-    "src/v3/compiler/src/bootstrap_generated_without_parse_surface.rs";
-
-fn main() {
-    let args: Vec<String> = env::args().skip(1).collect();
-    let verify_only = match args.as_slice() {
-        [] => false,
-        [flag] if flag == "--verify" => true,
-        unexpected => {
-            let _ = writeln!(
-                io::stderr(),
-                "regen_bootstrap: unexpected arguments: {unexpected:?}\n\
-                 Usage: regen_bootstrap [--verify]\n\
-                 Omit flags to write snapshots; pass exactly `--verify` to check without writing."
-            );
-            std::process::exit(2);
-        }
-    };
-
-    for generated_file in [
-        GENERATED_STD_FILE,
-        GENERATED_FULL_FILE,
-        GENERATED_NO_PARSE_SURFACE_FILE,
-    ] {
-        assert!(
-            GENERATED_FILES.contains(&generated_file),
-            "`regen_bootstrap` writes `{generated_file}` but that path is not \
-             registered in `REGEN_OUTPUTS` in `src/v3/compiler/build.rs`."
-        );
-    }
-
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-
-    let std_dag = compile_std_bootstrap_dag();
-    let std_formatted = render_bootstrap_std_generated_rs(&std_dag)
-        .unwrap_or_else(|e| panic!("regen_bootstrap std: {e}"));
-
-    let full_dag = compile_full_bootstrap_dag_from_std_seed(std_dag.clone());
-    let full_formatted = render_bootstrap_generated_rs(
-        &full_dag,
-        "dsl/std/*.dag + src/v3/std/*.dag + src/v3/spec/*.dag + src/v3/compiler/*.dag minus tokenize.dag + dsl/extdeps/languages/rust/primitives.dag",
-        "bootstrapped_fixture_dag",
-    )
-    .unwrap_or_else(|e| panic!("regen_bootstrap full: {e}"));
-
-    let full_no_parse_surface_dag =
-        compile_full_bootstrap_without_parse_surface_dag_from_std_seed(std_dag);
-    let full_no_parse_surface_formatted = render_bootstrap_generated_rs(
-        &full_no_parse_surface_dag,
-        "dsl/std/*.dag + src/v3/std/*.dag + src/v3/spec/*.dag + src/v3/compiler/*.dag minus tokenize.dag, src/v3/std/parse_surface.dag, src/v3/spec/{rust,go,python}.dag + dsl/extdeps/languages/rust/primitives.dag",
-        "bootstrapped_fixture_without_parse_surface_dag",
-    )
-    .unwrap_or_else(|e| panic!("regen_bootstrap no-parse-surface: {e}"));
-
-    if verify_only {
-        assert_disk_matches(&manifest_dir, "bootstrap_std_generated.rs", &std_formatted);
-        assert_disk_matches(&manifest_dir, "bootstrap_generated.rs", &full_formatted);
-        assert_disk_matches(
-            &manifest_dir,
-            "bootstrap_generated_without_parse_surface.rs",
-            &full_no_parse_surface_formatted,
-        );
-        println!("regen_bootstrap --verify: committed snapshots match fresh compile.");
-        return;
-    }
-
-    write_generated(&manifest_dir, "bootstrap_std_generated.rs", &std_formatted);
-    write_generated(&manifest_dir, "bootstrap_generated.rs", &full_formatted);
-    write_generated(
-        &manifest_dir,
-        "bootstrap_generated_without_parse_surface.rs",
-        &full_no_parse_surface_formatted,
-    );
-}
-
-fn assert_disk_matches(manifest_dir: &Path, file_name: &str, expected: &str) {
-    let path = manifest_dir.join("src").join(file_name);
-    let on_disk =
-        fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-    if on_disk != expected {
-        let hint = first_text_mismatch_hint(&on_disk, expected);
-        panic!(
-            "{file_name}: committed snapshot does not match fresh compile from .dag sources. \
-             Run `cargo run -p v3-compiler --features bootstrap-regen-fresh --bin regen_bootstrap` \
-             (without `--verify`) to \
-             regenerate after intentional authority edits, or fix unintended drift. \
-             {hint}",
-        );
-    }
-}
-
-/// Byte offset of first differing UTF-8 byte, lengths, and a small lossy window
-/// around the mismatch (UTF-8 boundaries not guaranteed inside the window).
-fn first_text_mismatch_hint(on_disk: &str, expected: &str) -> String {
-    const RADIUS: usize = 40;
-    let a = on_disk.as_bytes();
-    let b = expected.as_bytes();
-    let prefix_len = a.len().min(b.len());
-    let mut first_diff = None;
-    for i in 0..prefix_len {
-        if a[i] != b[i] {
-            first_diff = Some(i);
-            break;
-        }
-    }
-    // If one string is a strict prefix of the other, all shared bytes match.
-    let offset = first_diff.unwrap_or(prefix_len);
-    let window_disk = lossy_byte_window(a, offset, RADIUS);
-    let window_exp = lossy_byte_window(b, offset, RADIUS);
-    format!(
-        "(first differing byte index: {offset}, on_disk_len={}, expected_len={}, \
-         on_disk[…]≈{:?}, expected[…]≈{:?})",
-        on_disk.len(),
-        expected.len(),
-        window_disk,
-        window_exp,
-    )
-}
-
-fn lossy_byte_window(bytes: &[u8], center: usize, radius: usize) -> String {
-    if bytes.is_empty() {
-        return String::new();
-    }
-    let start = center.saturating_sub(radius).min(bytes.len());
-    let end = (center + radius).min(bytes.len());
-    String::from_utf8_lossy(&bytes[start..end]).into_owned()
-}
-
-fn write_generated(manifest_dir: &Path, file_name: &str, contents: &str) {
-    let out_path = manifest_dir.join("src").join(file_name);
-    std::fs::write(&out_path, contents).unwrap_or_else(|e| panic!("write {file_name}: {e}"));
-    println!("wrote {}", out_path.display());
-}
diff --git a/src/v3/compiler/src/bin/regen_parse.rs b/src/v3/compiler/src/bin/regen_parse.rs
deleted file mode 100644
index ca00ad5b5b2..00000000000
--- a/src/v3/compiler/src/bin/regen_parse.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-//! Regenerate `parse_generated.rs` from `src/v3/std/parse_surface.dag` (Surface carriers)
-//! plus `parse_parser_body.txt` (sibling file under `src/v3/compiler/`).
-//!
-//! **Parser staging (PR posture — option 1), not SG-2b closure:** `parse_surface.dag` is
-//! the Surface **carrier** authority (shared with `parse_surface_generated.rs`); `parse_parser_body.txt`
-//! remains temporary **semantic** algorithm authority until a follow-on lane lands true `.dag` parse
-//! rules. **Dissolution:** same trigger as the header on `parse_parser_body.txt` (delete the fragment
-//! once `regen_parse` emits the algorithm from `.dag` alone).
-
-use std::path::PathBuf;
-
-use v3_compiler::generated_files::GENERATED_FILES;
-use v3_compiler::render_parse_generated_rs;
-
-const GENERATED_FILE: &str = "src/v3/compiler/src/parse_generated.rs";
-const SURFACE_TYPES_AUTHORITY_FILE: &str = "src/v3/std/parse_surface.dag";
-const PARSER_BODY_REL: &str = "parse_parser_body.txt";
-
-fn main() {
-    assert!(
-        GENERATED_FILES.contains(&GENERATED_FILE),
-        "`regen_parse` writes `{GENERATED_FILE}` but that path is not \
-         registered in `REGEN_OUTPUTS` in `src/v3/compiler/build.rs`."
-    );
-
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let dag_path = manifest_dir
-        .join("..")
-        .join("std")
-        .join("parse_surface.dag");
-    let source = std::fs::read_to_string(&dag_path).expect("read parse_surface.dag");
-    let body_path = manifest_dir.join(PARSER_BODY_REL);
-    let parser_body = std::fs::read_to_string(&body_path)
-        .unwrap_or_else(|e| panic!("read parser body fragment `{}`: {e}", body_path.display()));
-
-    let formatted = render_parse_generated_rs(&source, SURFACE_TYPES_AUTHORITY_FILE, &parser_body)
-        .unwrap_or_else(|e| panic!("{e}"));
-
-    let out_path = manifest_dir.join("src").join("parse_generated.rs");
-    std::fs::write(&out_path, &formatted).expect("write parse_generated.rs");
-    println!("wrote {}", out_path.display());
-}
diff --git a/src/v3/compiler/src/bin/regen_parse_tables.rs b/src/v3/compiler/src/bin/regen_parse_tables.rs
deleted file mode 100644
index 2367b603edf..00000000000
--- a/src/v3/compiler/src/bin/regen_parse_tables.rs
+++ /dev/null
@@ -1,62 +0,0 @@
-//! SG-2c grammar-tables — Regenerate `parse_tables_generated.rs` from
-//! `src/v3/compiler/parse_tables.dag`. Thin host shim: the render logic
-//! lives in `v3_compiler::regen_parse_tables_emit::render_parse_tables_generated_rs`
-//! so hermetic integration tests can compare in-memory without spawning
-//! this binary through `cargo run` (which blows the 2s per-test ratchet
-//! on cold CI).
-//!
-//! Emitted projection includes **SG-2c-1** `binary_op_at_level` / `BinaryOpLevel`,
-//! **SG-2c-2** `top_level_item_dispatch` / `ItemDispatchKind`, **SG-2c-3**
-//! `is_type_rhs_boundary_keyword`, **SG-2c-4** `bracket_role` / `BracketRole`,
-//! **SG-2c-5** `soft_keyword_ident_spelling`, **SG-2c-6** `primary_prefix_dispatch` /
-//! `PrimaryPrefixDispatch`, and **SG-2c-7** `primary_atom_class` / `PrimaryAtomClass`
-//! (see `regen_parse_tables_emit.rs`; not in this file).
-//!
-//! Scope (grammar-tables prototype, NOT SG-2c proper) — see
-//! `src/v3/compiler/parse_tables.dag` for the full scope note and
-//! dissolution trigger (recursive list-body emission over `List<Token>`).
-
-use std::path::PathBuf;
-
-use v3_compiler::generated_files::GENERATED_FILES;
-use v3_compiler::render_parse_tables_generated_rs;
-
-const GENERATED_FILE: &str = "src/v3/compiler/src/parse_tables_generated.rs";
-const PARSE_TABLES_AUTHORITY_FILE: &str = "src/v3/compiler/parse_tables.dag";
-const TOKENIZE_AUTHORITY_FILE: &str = "src/v3/compiler/tokenize.dag";
-const SHARED_SYNTAX_FILE: &str = "dsl/extdeps/languages/dag/syntax.dag";
-
-fn main() {
-    assert!(
-        GENERATED_FILES.contains(&GENERATED_FILE),
-        "`regen_parse_tables` writes `{GENERATED_FILE}` but that path is not \
-         registered in `REGEN_OUTPUTS` in `src/v3/compiler/build.rs`."
-    );
-
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let repo_root = manifest_dir
-        .parent()
-        .and_then(|p| p.parent())
-        .and_then(|p| p.parent())
-        .expect("src/v3/compiler has a repo-root ancestor");
-
-    let tables_source = std::fs::read_to_string(manifest_dir.join("parse_tables.dag"))
-        .expect("read parse_tables.dag");
-    let tokenize_source =
-        std::fs::read_to_string(manifest_dir.join("tokenize.dag")).expect("read tokenize.dag");
-    let shared_syntax_source = std::fs::read_to_string(repo_root.join(SHARED_SYNTAX_FILE))
-        .unwrap_or_else(|e| panic!("read shared syntax authority `{SHARED_SYNTAX_FILE}`: {e}"));
-
-    let formatted = render_parse_tables_generated_rs(
-        &tables_source,
-        PARSE_TABLES_AUTHORITY_FILE,
-        &tokenize_source,
-        TOKENIZE_AUTHORITY_FILE,
-        &shared_syntax_source,
-    )
-    .unwrap_or_else(|e| panic!("{e}"));
-
-    let out_path = manifest_dir.join("src").join("parse_tables_generated.rs");
-    std::fs::write(&out_path, &formatted).expect("write parse_tables_generated.rs");
-    println!("wrote {}", out_path.display());
-}
diff --git a/src/v3/compiler/src/bin/regen_tokenize.rs b/src/v3/compiler/src/bin/regen_tokenize.rs
deleted file mode 100644
index 5e1c4ac8a44..00000000000
--- a/src/v3/compiler/src/bin/regen_tokenize.rs
+++ /dev/null
@@ -1,9 +0,0 @@
-//! Regenerate `tokenize_generated.rs` from `src/v3/compiler/tokenize.dag`.
-//!
-//! Implementation lives in `v3_compiler::regen_tokenize` so integration tests
-//! can invoke the same pipeline in-process (no nested `cargo run`).
-
-fn main() {
-    let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    v3_compiler::regen_tokenize::write_tokenize_generated_rs(&manifest_dir);
-}
diff --git a/src/v3/compiler/src/bin/regen_v3.rs b/src/v3/compiler/src/bin/regen_v3.rs
deleted file mode 100644
index 3b11dc75bbf..00000000000
--- a/src/v3/compiler/src/bin/regen_v3.rs
+++ /dev/null
@@ -1,103 +0,0 @@
-use std::env;
-use std::fs;
-use std::io::{self, Write};
-use std::path::Path;
-use std::process::ExitCode;
-
-use v3_compiler::{
-    compare_stage_snapshots, compile_stage_snapshots, default_fixed_point_source,
-    FixedPointMismatch, StageSnapshotError,
-};
-
-fn main() -> ExitCode {
-    match run() {
-        Ok(()) => ExitCode::SUCCESS,
-        Err(message) => {
-            let _ = writeln!(io::stderr(), "{message}");
-            ExitCode::FAILURE
-        }
-    }
-}
-
-fn run() -> Result<(), String> {
-    let mut source_path: Option<String> = None;
-    let mut file_name: Option<String> = None;
-    let mut inject_stage: Option<String> = env::var("GUNBC_REGEN_INJECT_STAGE").ok();
-
-    let mut args = env::args().skip(1);
-    while let Some(arg) = args.next() {
-        match arg.as_str() {
-            "--source" => {
-                source_path = Some(
-                    args.next()
-                        .ok_or_else(|| "--source requires a path".to_string())?,
-                );
-            }
-            "--file" => {
-                file_name = Some(
-                    args.next()
-                        .ok_or_else(|| "--file requires a name".to_string())?,
-                );
-            }
-            "--inject-stage" => {
-                inject_stage = Some(
-                    args.next()
-                        .ok_or_else(|| "--inject-stage requires a stage name".to_string())?,
-                );
-            }
-            other => return Err(format!("unknown argument `{other}`")),
-        }
-    }
-
-    let (source, file) = match source_path {
-        Some(path) => {
-            let source = fs::read_to_string(&path)
-                .map_err(|err| format!("failed to read {}: {err}", path))?;
-            let file = file_name.unwrap_or_else(|| {
-                Path::new(&path)
-                    .file_name()
-                    .and_then(|name| name.to_str())
-                    .unwrap_or("input.v3")
-                    .to_string()
-            });
-            (source, file)
-        }
-        None => (
-            default_fixed_point_source().to_string(),
-            file_name.unwrap_or_else(|| "fixed_point_input.v3".to_string()),
-        ),
-    };
-
-    let pass1 = compile_stage_snapshots(&source, &file).map_err(render_snapshot_error)?;
-    let mut pass2 = compile_stage_snapshots(&source, &file).map_err(render_snapshot_error)?;
-
-    if let Some(stage_name) = inject_stage {
-        let snapshot = pass2
-            .iter_mut()
-            .find(|snapshot| snapshot.stage == stage_name)
-            .ok_or_else(|| format!("unknown stage `{stage_name}`"))?;
-        snapshot
-            .bytes
-            .extend_from_slice(b"\n# synthetic divergence\n");
-        snapshot.dag = None;
-    }
-
-    compare_stage_snapshots(&pass1, &pass2).map_err(render_mismatch)?;
-    println!("fixed-point verified across {} stages", pass1.len());
-    Ok(())
-}
-
-fn render_snapshot_error(error: StageSnapshotError) -> String {
-    match error {
-        StageSnapshotError::Compile(error) => format!("compile failed: {error:?}"),
-        StageSnapshotError::Emit(error) => format!("emit failed: {error:?}"),
-        StageSnapshotError::Pipeline(error) => format!("pipeline authority failed: {error}"),
-    }
-}
-
-fn render_mismatch(mismatch: FixedPointMismatch) -> String {
-    format!(
-        "FIXED-POINT FAILURE at stage `{}`: {}",
-        mismatch.stage, mismatch.detail
-    )
-}
diff --git a/src/v3/compiler/src/bin/self_host_fixed_point.rs b/src/v3/compiler/src/bin/self_host_fixed_point.rs
deleted file mode 100644
index 43411710b8e..00000000000
--- a/src/v3/compiler/src/bin/self_host_fixed_point.rs
+++ /dev/null
@@ -1,267 +0,0 @@
-//! DB-8 — fixed-point ratchet driver (`docs/design-fixed-point-ratchet.md`).
-//!
-//! **R3 cross-read (P0 pin, no new pass/fail):** R3 program-plan §1.8 gate **#16**
-//! (`pb_self_compile_fixed_point`, T-FixedPoint) has a **strong** thesis horizon
-//! distinct from the R1 `verification.dag` claim of the same name — see
-//! `docs/r3-structure.md` §"T-FixedPoint" (two-horizon framing),
-//! `docs/briefs/r3-pb-t-fixedpoint-worker.md` (dispatch preconditions; future
-//! `pb_self_compile_fixed_point_strong`), and `docs/briefs/r3-wave1-pb2-fixedpoint-gate16-r3-horizon-worker.md`.
-//! 2026-05-13 joint-precondition coordination audit:
-//! `docs/audit/r3-gap3-fixed-point-precondition-coordination-2026-05-13.md` — all four
-//! joint preconditions read non-green at HEAD; `pb_self_compile_fixed_point_strong`
-//! must not be authored in `src/v3/std/verification.dag` until the single dispatch
-//! ledger read turns green (per that audit's sequencing rule).
-//! History and CI posture for this binary: `docs/db-history/db-8.md`.
-//!
-//! Full cycle (emit → `rustc` → run → byte-diff) requires a v3-parseable
-//! `dsl/gunbc/compiler.dag` **and** an emitted CLI that can re-run emission on
-//! that file. Until Lane 3 Stage 3c, `compiler.dag` is a cycle meta-model that
-//! does not yet parse under the v3 surface grammar; this binary still:
-//! - proves the **pipeline snapshot** fixed point on [`v3_compiler::default_fixed_point_source`]
-//!   (same contract as `regen_v3`, includes the emit stage);
-//! - probes `compiler.dag`, emits `target/self_host/stage1.rs` when parse succeeds;
-//! - attempts `rustc` when compilation is meaningful;
-//! - writes `target/self_host/receipt.json` for trend monitoring (DB-8 §Open questions, Q3).
-//!
-//! Single authority for byte-identical emission across processes: [`v3_compiler::emit::emit`]
-//! + determinism tests (`tests/determinism_test.rs`) — see `feedback_substrate_principle_audit` Q5.
-//!
-//! **Exit status (Invariant D-1):** when `compiler.dag` parses and the emit→`rustc`→run→diff slice
-//! runs, any failure on that slice returns **`Err`** from [`run`] so the process exits **non-zero**
-//! after writing `receipt.json`. Workflow policy (“do not block merges yet”) is enforced by
-//! `continue-on-error` on the CI job/step — not by treating a failed slice as `Ok`.
-//!
-//! **R3 gate #71 (`--r3-gate-71-demonstration`):** after writing `receipt.json`, fail the process
-//! unless `compiler.dag` parsed under v3 and the receipt records `fixed_point_diff` → `ok`. DB-8’s
-//! default (no flag) stays staged-friendly: parse failure alone still exits 0 once the receipt is
-//! written.
-
-use std::fs;
-use std::io::{self, Write};
-use std::path::{Path, PathBuf};
-use std::process::ExitCode;
-use std::process::{Command, Stdio};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit::{emit, EmitTarget};
-use v3_compiler::self_host_receipt_p0 as receipt_p0;
-use v3_compiler::{
-    compare_stage_snapshots, compile_stage_snapshots, default_fixed_point_source, CompileError,
-};
-
-fn workspace_root() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("..")
-        .join("..")
-}
-
-fn write_receipt(path: &Path, json: &str) {
-    if let Some(parent) = path.parent() {
-        let _ = fs::create_dir_all(parent);
-    }
-    let _ = fs::write(path, json);
-}
-
-const R3_GATE_71_FLAG: &str = "--r3-gate-71-demonstration";
-
-fn main() -> ExitCode {
-    let gate_71 = std::env::args().any(|a| a == R3_GATE_71_FLAG);
-    match run(gate_71) {
-        Ok(()) => ExitCode::SUCCESS,
-        Err(e) => {
-            let _ = writeln!(io::stderr(), "{e}");
-            ExitCode::from(1)
-        }
-    }
-}
-
-fn run(gate_71_demonstration: bool) -> Result<(), String> {
-    let root = workspace_root();
-    let out_dir = root.join("target").join("self_host");
-    fs::create_dir_all(&out_dir).map_err(|e| format!("create {}: {e}", out_dir.display()))?;
-
-    let receipt_path = out_dir.join("receipt.json");
-
-    // Staged ratchet (always): pipeline snapshots identical across two compiles of the default source.
-    let pass1 = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .map_err(|e| format!("pipeline snapshot pass1: {e:?}"))?;
-    let pass2 = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .map_err(|e| format!("pipeline snapshot pass2: {e:?}"))?;
-    compare_stage_snapshots(&pass1, &pass2).map_err(|m| m.detail.clone())?;
-
-    let compiler_rel = Path::new("dsl/gunbc/compiler.dag");
-    let compiler_abs = root.join(compiler_rel);
-    let compiler_dag_text = fs::read_to_string(&compiler_abs)
-        .map_err(|e| format!("read {}: {e}", compiler_abs.display()))?;
-
-    let compiler_parse = match compile_to_dag(&compiler_dag_text, "dsl/gunbc/compiler.dag") {
-        Ok(dag) => Ok(dag),
-        Err(CompileError::Semantic(d)) => Err(format!(
-            "compiler.dag semantic errors: {:?}",
-            d.diagnostics()
-        )),
-        Err(e) => Err(format!("compiler.dag: {e:?}")),
-    };
-    let compiler_dag_parsed = compiler_parse.is_ok();
-
-    // When `compiler.dag` parses and we exercise emit→rustc→run→diff, any failure on that
-    // slice must exit non-zero (Invariant D-1 / DB-8 fail-closed). Parse failure alone stays
-    // exit 0 — expected until v3 grammar + Lane 1e land (staged ratchet).
-    let mut self_host_slice_failed: Option<String> = None;
-    // Single in-process authority for gate #71 — INVARIANTS.md C-5 (no string-sentinel probing
-    // of the serialized receipt to decide control flow).
-    let mut fixed_point_diff_ok = false;
-
-    // P0 / DB-8 `receipt.json` always-emitted keys — checked before write by
-    // `receipt_p0::validate_receipt_json_always_emitted_keys` / `top_level_property_needle`
-    // (two spaces + `"key":`). Keep these three emission anchors aligned with that helper:
-    // (1) pipeline field right after `{`, (2) `K_COMPILER_DAG_V3_PARSE` in `Ok` + `Err` arms,
-    // (3) `K_STATUS` on the closing field before `}`.
-    let mut receipt = String::new();
-    receipt.push_str("{\n");
-    receipt.push_str(&format!(
-        "  \"{}\": \"ok\",\n",
-        receipt_p0::K_PIPELINE_FIXED_POINT_DEFAULT_SOURCE
-    ));
-
-    match compiler_parse {
-        Ok(dag) => {
-            receipt.push_str(&format!(
-                "  \"{}\": \"ok\",\n",
-                receipt_p0::K_COMPILER_DAG_V3_PARSE
-            ));
-            let stage1 =
-                emit(&dag, EmitTarget::Rust).map_err(|e| format!("emit compiler.dag: {e:?}"))?;
-            let stage1_path = out_dir.join("stage1.rs");
-            fs::write(&stage1_path, &stage1.text)
-                .map_err(|e| format!("write {}: {e}", stage1_path.display()))?;
-            receipt.push_str(&format!("  \"stage1_rs_bytes\": {},\n", stage1.text.len()));
-
-            let bin_path = out_dir.join("stage1_bin");
-            let rustc_inv = Command::new("rustc")
-                .arg("--edition=2021")
-                .arg(&stage1_path)
-                .arg("-o")
-                .arg(&bin_path)
-                .stderr(Stdio::piped())
-                .output()
-                .map_err(|e| format!("rustc: {e}"))?;
-
-            if rustc_inv.status.success() {
-                receipt.push_str("  \"stage1_rustc\": \"ok\",\n");
-                let run = Command::new(&bin_path)
-                    .arg(&compiler_abs)
-                    .output()
-                    .map_err(|e| format!("run stage1_bin: {e}"))?;
-                if run.status.success() {
-                    let stage2_path = out_dir.join("stage2.rs");
-                    receipt.push_str(&format!(
-                        "  \"self_host_run_stderr_len\": {},\n",
-                        run.stderr.len()
-                    ));
-                    if fs::read(&stage2_path).is_ok() {
-                        let a = fs::read(&stage1_path).map_err(|e| e.to_string())?;
-                        let b = fs::read(&stage2_path).map_err(|e| e.to_string())?;
-                        if a == b {
-                            fixed_point_diff_ok = true;
-                            receipt.push_str("  \"fixed_point_diff\": \"ok\",\n");
-                        } else {
-                            receipt.push_str("  \"fixed_point_diff\": \"mismatch\",\n");
-                            self_host_slice_failed = Some(
-                                "fixed-point: stage1.rs bytes != stage2.rs (Invariant D-1)"
-                                    .to_string(),
-                            );
-                        }
-                    } else {
-                        receipt
-                            .push_str("  \"fixed_point_diff\": \"skipped_stage2_not_written\",\n");
-                    }
-                } else {
-                    let stderr = String::from_utf8_lossy(&run.stderr);
-                    receipt.push_str(&format!(
-                        "  \"self_host_run\": {},\n",
-                        json_string(&format!("failed: {stderr}"))
-                    ));
-                    self_host_slice_failed =
-                        Some(format!("self_host_run: stage1_bin failed: {stderr}"));
-                }
-            } else {
-                let stderr = String::from_utf8_lossy(&rustc_inv.stderr);
-                receipt.push_str(&format!(
-                    "  \"stage1_rustc\": {},\n",
-                    json_string(&format!("failed: {stderr}"))
-                ));
-                self_host_slice_failed = Some(format!("rustc failed on stage1.rs: {stderr}"));
-            }
-        }
-        Err(msg) => {
-            receipt.push_str(&format!(
-                "  \"{}\": {},\n",
-                receipt_p0::K_COMPILER_DAG_V3_PARSE,
-                json_string(&msg)
-            ));
-        }
-    }
-
-    let exit_status = if self_host_slice_failed.is_some() {
-        "failed_self_host_slice"
-    } else {
-        "completed"
-    };
-    receipt.push_str(&format!(
-        "  \"{}\": {}\n}}\n",
-        receipt_p0::K_STATUS,
-        json_string(exit_status)
-    ));
-
-    // Must match the three anchors documented on `self_host_receipt_p0::top_level_property_needle`.
-    receipt_p0::validate_receipt_json_always_emitted_keys(&receipt).map_err(|e| {
-        format!("self_host_fixed_point: receipt contract (P0 always-emitted keys): {e}")
-    })?;
-
-    write_receipt(&receipt_path, &receipt);
-    writeln!(
-        io::stdout(),
-        "self_host_fixed_point: receipt -> {}",
-        receipt_path.display()
-    )
-    .map_err(|e| e.to_string())?;
-
-    if let Some(detail) = self_host_slice_failed {
-        let _ = writeln!(io::stderr(), "{detail}");
-        return Err(detail);
-    }
-
-    if gate_71_demonstration {
-        if !compiler_dag_parsed {
-            return Err(format!(
-                "{R3_GATE_71_FLAG}: require v3 parse of dsl/gunbc/compiler.dag (see receipt {:?})",
-                receipt_path.display()
-            ));
-        }
-        if !fixed_point_diff_ok {
-            return Err(format!(
-                "{R3_GATE_71_FLAG}: require emit→rustc→run byte-identical slice (fixed_point_diff did not reach ok; receipt {:?})",
-                receipt_path.display()
-            ));
-        }
-    }
-
-    Ok(())
-}
-
-fn json_string(s: &str) -> String {
-    let mut out = String::new();
-    out.push('"');
-    for ch in s.chars() {
-        match ch {
-            '\\' => out.push_str("\\\\"),
-            '"' => out.push_str("\\\""),
-            c if c.is_control() => out.push_str(&format!("\\u{:04x}", c as u32)),
-            c => out.push(c),
-        }
-    }
-    out.push('"');
-    out
-}
diff --git a/src/v3/compiler/src/bootstrap.rs b/src/v3/compiler/src/bootstrap.rs
deleted file mode 100644
index b4ecf821801..00000000000
--- a/src/v3/compiler/src/bootstrap.rs
+++ /dev/null
@@ -1,594 +0,0 @@
-// Dag::new() bootstrap.
-//
-// PB-1 closure: `Dag::new()` no longer tokenizes/parses/lowers any
-// bootstrap authority at runtime. Five bootstrap authority sets
-// are loaded from committed generated snapshots:
-//
-// - `std_fixtures`                 (`dsl/std/*.dag`, including `std.unicode`)
-// - `STAGED_FILES` / `V3_SPECS` / `COMPILER_FILES` / extdeps primitives — fresh
-//   tokenize/parse/lower lives in `bootstrap_regen_fresh.rs` behind feature
-//   `bootstrap-regen-fresh` (`regen_bootstrap` only). `Dag::new()` does not load
-//   them from disk at runtime.
-//
-// **Single authority at runtime:** `Dag::new()` (and `std_fixture_bootstrap_snapshot`)
-// materialize **only** from the committed `bootstrap_*_generated.rs` snapshots
-// (`include!` / generated Rust). They never re-tokenize or re-parse the `OUT_DIR`
-// fixture string tables — those arrays exist solely for the feature-gated regen host.
-//
-// `compile_parse_surface_std_authority_dag` uses the companion snapshot
-// that omits `src/v3/std/parse_surface.dag`, so a fresh parse+lower of
-// that authority still stays first-of-name.
-//
-// **Target-language realization facts stay out of bootstrap.** Realization
-// facts for emitted languages live in `dsl/extdeps/languages/*` per the
-// thesis and are consumed by the per-target emitters at emission time via
-// `SubstrateAccessorBinding` records — compiler code does not manufacture
-// those. The L1.5 exception remains: `src/v3/compiler/pipeline.dag` stage
-// declarations are upgraded in-place to `ArrowBody::ExternalRealization`
-// so the compiler's own pipeline authority lives in the bootstrap Dag with
-// the intended stage-body shape.
-//
-// **B4.4 bootstrap fixture set.** The structural carrier
-// `bootstrap_fixture_authority` in
-// `src/v3/std/extdeps_bootstrap_fixtures.dag` is the substrate authority for
-// *which* `.dag` files participate. The PB-1-e regen host filters
-// `build.rs`-emitted `STAGED_FILES` (covering `src/v3/std/*.dag`) and
-// `EXTDEPS_FILES` (covering `dsl/extdeps/**/*.dag`) through
-// [`BOOTSTRAP_FIXTURE_PATH_KEYS`] (must stay in lockstep with that
-// declaration's `virtual_path` fields). The fixture set is mixed-tree as of
-// T-Ground-LanguageSpec scope E.1: per-target method-template-contract
-// lists live under `src/v3/std/` (avoiding the v2 walker's `dsl/` traversal
-// per the post-#1187 regression analysis), while target-primitive
-// declarations remain under `dsl/extdeps/languages/`. Only authorities
-// whose content is pure structural **data** are loaded. Arrow/realization
-// files (`rust/emit.dag`, `rust/types.dag`, etc.) are deliberately excluded
-// — their bodies stay per-target emitter-side, not in the bootstrap Dag.
-// Expansion adds a field to the carrier + a key in `BOOTSTRAP_FIXTURE_PATH_KEYS`
-// once new fixture authorities reach the same pilot stage.
-//
-// **Structural list load (Path 2 scoping).** The top-level
-// `rust_grounding_primitives: List<RustPrimitive> = [...]` data declaration now
-// lowers with `value_body = ValueBody::List(_)`: both the type structure and
-// the 10-element pilot enumeration are walkable by downstream grounding
-// consumers. Map-shaped bootstrap data such as `kernel_algebra_profile`
-// now lowers through the sibling `ValueBody::Map` carrier.
-//
-// Transitional shape: PB-Bootstrap-Process lane (Zero-Floor program;
-// tracked in `docs/design-pure-bootstrap-zero.md` §"New lanes") absorbs
-// `bootstrap.rs` entirely when it lands `bootstrap.dag` declaring the
-// workflow as data — at that point this loader logic becomes part of the
-// to-be-generated content with no hand-Rust edit.
-//
-// Bootstrap failures (tokenize/parse/lower errors on std/ files,
-// unresolved cross-file references) attach to the Dag's diagnostic
-// table via `Dag::attach_diagnostic` rather than panicking, so
-// `compile_to_dag` surfaces them through `Err(CompileError::Semantic(dag))`
-// on every subsequent call — the same structural channel user errors
-// go through. A failed bootstrap is visible to callers without a
-// side channel.
-//
-// **PB-1-e split — what stays here:** `materialize_pipeline_realizations`, and
-// `report_pipeline_authority_error` remain
-// in this file because the `#[cfg(test)]` module below exercises them on
-// `Dag::new()` snapshots. The regen-only fresh tokenize/parse/lower loop lives in
-// `bootstrap_regen_fresh.rs` (feature `bootstrap-regen-fresh`); do not duplicate
-// pipeline materialization there without relocating or rewriting these unit tests.
-
-use crate::dag::{ArrowBody, Dag, TemplateArgument, TypeConnective};
-use crate::diagnostics::{BootstrapAuthorityKey, Correction, Diagnostic, SourceSpan};
-use crate::pipeline_authority::ordered_pipeline_stages;
-
-// Used by `materialize_pipeline_realizations` (regen + unit tests below). When
-// `bootstrap-regen-fresh` is off, that path is cfg-dead in non-test lib builds.
-#[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-const PIPELINE_REALIZATION_META: &str = "CompilerHostRealization";
-
-/// Virtual paths selecting `.dag` sources for PB-1-e bootstrap regen.
-///
-/// Mixed-tree fixture set (per T-Ground-LanguageSpec scope E.1): paths
-/// resolve against `STAGED_FILES` (covering `src/v3/std/*.dag`) and
-/// `EXTDEPS_FILES` (covering `dsl/extdeps/**/*.dag`). The regen host
-/// (`bootstrap_regen_fresh`) walks both sets to locate each path.
-///
-/// **Lockstep:** each entry must match a `virtual_path` on
-/// `bootstrap_fixture_authority` in `src/v3/std/extdeps_bootstrap_fixtures.dag`.
-/// `Dag::bootstrap_fixture_virtual_paths` is compared to this slice when the
-/// committed bootstrap snapshots initialize (`dag.rs` LazyLock).
-pub const BOOTSTRAP_FIXTURE_PATH_KEYS: &[&str] = &[
-    "dsl/extdeps/languages/rust/primitives.dag",
-    "src/v3/std/rust_method_template_contracts.dag",
-    "src/v3/std/python_method_template_contracts.dag",
-    "src/v3/std/go_method_template_contracts.dag",
-    "src/v3/std/anthropic_operations.dag",
-    "src/v3/std/cross_target_coverage.dag",
-    "dsl/extdeps/cron/schedule_model.dag",
-    "dsl/extdeps/github/github.dag",
-    "dsl/extdeps/github/actions.dag",
-    "dsl/extdeps/github/ci.dag",
-];
-
-// DB-14 substrate accessors (`port` / `node` / `resolve_producer`) are
-// deliberately NOT materialized at bootstrap. Their Arrow bodies stay
-// `Unparsed` (the `{ host <name> }` stub) because the accessor → realization
-// mapping is TARGET-specific — upgrading the Arrow body once at bootstrap
-// to a single realization would silently overwrite when a second emitter
-// registers its own binding. Each emitter reads `SubstrateAccessorBinding`
-// records at emission time, filters by its own `language: LanguageSpec`
-// id, and dispatches to the target-matching realization's carrier
-// template. See `emit_rust::RealizationIndexes::substrate_accessors`.
-//
-// This diverges from `materialize_pipeline_realizations` (above), which
-// DOES upgrade Arrow bodies — pipeline stages are target-invariant
-// (same runtime for every target), so "one realization per stage" is
-// the correct authority there.
-
-#[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-pub(crate) fn materialize_pipeline_realizations(dag: &mut Dag) {
-    let stages = match ordered_pipeline_stages(dag) {
-        Ok(stages) => stages,
-        Err(error) => {
-            report_pipeline_authority_error(dag, error, pipeline_authority_span());
-            return;
-        }
-    };
-    let Some(meta_decl_id) = dag
-        .declaration_by_name(PIPELINE_REALIZATION_META)
-        .map(|decl| decl.id)
-    else {
-        report_pipeline_authority_error(
-            dag,
-            format!("missing pipeline realization meta `{PIPELINE_REALIZATION_META}`"),
-            pipeline_authority_span(),
-        );
-        return;
-    };
-    let meta_connective = match dag.declaration(meta_decl_id).connective.clone() {
-        connective @ TypeConnective::Conj { .. } => connective,
-        _ => {
-            report_pipeline_authority_error(
-                dag,
-                format!(
-                    "pipeline realization meta `{PIPELINE_REALIZATION_META}` must lower to a record"
-                ),
-                dag.declaration(meta_decl_id).span.clone(),
-            );
-            return;
-        }
-    };
-
-    for stage in &stages {
-        let realization_span = dag.declaration(stage.realization).span.clone();
-        let realization = dag.declaration_mut(stage.realization);
-        if realization.meta_tag != Some(meta_decl_id) {
-            report_pipeline_authority_error(
-                dag,
-                format!(
-                    "pipeline realization `{}` is not tagged with `{PIPELINE_REALIZATION_META}`",
-                    stage.realization_name
-                ),
-                realization_span,
-            );
-            continue;
-        }
-        realization.connective = meta_connective.clone();
-    }
-
-    for stage in stages {
-        let stage_span = dag.declaration(stage.stage).span.clone();
-        let stage_decl = dag.declaration_mut(stage.stage);
-        match &mut stage_decl.connective {
-            TypeConnective::Arrow { body, .. } => {
-                *body = ArrowBody::ExternalRealization(stage.realization);
-            }
-            _ => report_pipeline_authority_error(
-                dag,
-                format!(
-                    "pipeline stage `{}` must lower to an arrow",
-                    stage.stage_name
-                ),
-                stage_span,
-            ),
-        }
-    }
-}
-
-/// Synthesize a span for pipeline-authority errors that occur before any
-/// stage binding is in hand (binding-type missing, meta-type missing,
-/// etc.). The path string is routed through the
-/// [`BootstrapAuthorityKey`] egress accessor (display-only), not pulled
-/// from the `PIPELINE_AUTHORITY_FILE` constant — this keeps the witness
-/// the structural source for bootstrap-attribution; the `(file, 0, 0)`
-/// shape remains diagnostic display, not a participation key (audit
-/// row #6 retirement; bootstrap.rs slice 1 of 2).
-#[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-fn pipeline_authority_span() -> SourceSpan {
-    let key = crate::diagnostics::BootstrapAuthorityKey::for_pipeline_authority();
-    SourceSpan::new(key.path(), 0, 0)
-}
-
-#[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-fn report_pipeline_authority_error(dag: &mut Dag, name: String, span: SourceSpan) {
-    dag.attach_bootstrap_diagnostic(
-        crate::diagnostics::BootstrapAuthorityKey::for_pipeline_authority(),
-        Diagnostic::ResolveError {
-            name,
-            span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "BootstrapDiagnostic",
-            ),
-        },
-    );
-}
-
-/// Fail-closed witness for Lane 1e-2b: authoritative kernel `Bool` in
-/// [`BootstrapAuthorityKey::for_kernel_bool`] must exist and carry
-/// `Declaration.inhabits` for `BooleanAlgebra<Bool>`.
-///
-/// Lowering wires this on the `dsl/std/types.dag` `TypeSum` path
-/// ([`crate::lower::wire_kernel_bool_boolean_algebra_inhabits`]); this
-/// finalization check restores the bootstrap-wide guarantee previously carried
-/// by the post-parse patch sweep so regressions still surface through
-/// [`Dag::attach_bootstrap_diagnostic`] (INVARIANTS P3) if that branch is ever
-/// skipped or the snapshot drifts.
-pub(crate) fn ensure_kernel_bool_lane1e2b_bootstrap_witness(dag: &mut Dag) {
-    let key = BootstrapAuthorityKey::for_kernel_bool();
-    let bool_id = match dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("Bool") && d.span.file == key.path())
-    {
-        Some(d) => d.id,
-        None => {
-            dag.attach_bootstrap_diagnostic(
-                key.clone(),
-                Diagnostic::ResolveError {
-                    name: "bootstrap: Lane 1e-2b Path A — kernel `Bool` missing from bootstrap Dag \
-                           (`dsl/std/types.dag` authority); cannot establish `BooleanAlgebra<Bool>` \
-                           inhabitance"
-                        .to_string(),
-                    span: SourceSpan::new(key.path(), 0, 0),
-                    correction: Correction::deferred_for_diagnostic_class("BootstrapDiagnostic"),
-                },
-            );
-            return;
-        }
-    };
-
-    if dag.declaration(bool_id).inhabits.is_none() {
-        crate::lower::wire_kernel_bool_boolean_algebra_inhabits(dag, bool_id);
-    }
-    let Some(inh_id) = dag.declaration(bool_id).inhabits else {
-        return;
-    };
-
-    let inh_decl = dag.declaration(inh_id);
-    let ok = match &inh_decl.connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            dag.declaration(*template).name.as_deref() == Some("BooleanAlgebra")
-                && matches!(
-                    arguments.as_slice(),
-                    [TemplateArgument { value, .. }] if *value == bool_id
-                )
-        }
-        _ => false,
-    };
-    if !ok {
-        let span = dag.declaration(bool_id).span.clone();
-        dag.attach_bootstrap_diagnostic(
-            key,
-            Diagnostic::ResolveError {
-                name: "bootstrap: Lane 1e-2b Path A — kernel `Bool` `inhabits` is not a \
-                       `BooleanAlgebra<Bool>` instantiation"
-                    .to_string(),
-                span,
-                correction: Correction::deferred_for_diagnostic_class("BootstrapDiagnostic"),
-            },
-        );
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    //! §6.5 realization smoke test. The stub chain (Realization meta-
-    //! type, realization instance, realization Arrow) is constructed
-    //! entirely inside this test module — no production bootstrap code
-    //! is involved. The test exercises the
-    //! `ArrowBody::ExternalRealization` substrate path end-to-end
-    //! (construction + typed-edge validation + inference dispatch)
-    //! without manufacturing realization facts at `Dag::new()` time.
-
-    use super::*;
-    use crate::dag::{ArrowBody, AtomPayload, Declaration, DeclarationId, TypeConnective};
-
-    /// Build a Realization → instance → Arrow chain inside a fresh Dag.
-    /// Returns the Arrow's DeclarationId so callers can walk it.
-    fn inject_test_realization(dag: &mut Dag) -> DeclarationId {
-        let span = SourceSpan::new("<test:realization>", 0, 0);
-
-        let meta_type_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: meta_type_id,
-            name: Some("TestRealization".to_string()),
-            connective: TypeConnective::Conj {
-                children: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let instance_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: instance_id,
-            name: None,
-            connective: TypeConnective::Conj {
-                children: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: Some(meta_type_id),
-            specialization_parent: None,
-            inhabits: None,
-
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        // Typed-edge check: verify the instance is realization-shaped
-        // before encoding it in `ArrowBody::ExternalRealization`. This
-        // is the same invariant `infer::is_realization_shape` enforces
-        // at dispatch time; the test asserts it at construction time
-        // as well, so both sides of the invariant are exercised.
-        let instance_decl = dag.declaration(instance_id);
-        assert!(
-            matches!(instance_decl.connective, TypeConnective::Conj { .. }),
-            "realization instance must be a Conj"
-        );
-        assert_eq!(
-            instance_decl.meta_tag,
-            Some(meta_type_id),
-            "realization instance's meta_tag must point at the TestRealization meta-type"
-        );
-
-        // Use an anonymous Int primitive reference for the Arrow
-        // inputs/output. At runtime, the smoke test walks through the
-        // real Int declaration via `declaration_by_name`.
-        let int_id = dag
-            .declaration_by_name("Int")
-            .expect("Int is populated by bootstrap before the test runs")
-            .id;
-        let arrow_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: arrow_id,
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![int_id, int_id],
-                output: int_id,
-                body: ArrowBody::ExternalRealization(instance_id),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span,
-        });
-
-        arrow_id
-    }
-
-    #[test]
-    fn smoke_int_add_external_realization() {
-        let mut dag = Dag::new();
-        let arrow_id = inject_test_realization(&mut dag);
-
-        let arrow_decl = dag.declaration(arrow_id);
-        let (inputs, output, body) = match &arrow_decl.connective {
-            TypeConnective::Arrow {
-                inputs,
-                output,
-                body,
-            } => (inputs.clone(), *output, body.clone()),
-            other => panic!("expected realization arrow, got {other:?}"),
-        };
-        assert_eq!(inputs.len(), 2);
-        assert_eq!(inputs[0], output);
-        assert!(
-            arrow_decl.name.is_none(),
-            "realization arrow is anonymous so it stays out of declaration_by_name"
-        );
-
-        let realization_id = match body {
-            ArrowBody::ExternalRealization(id) => id,
-            other => panic!("expected ExternalRealization body, got {other:?}"),
-        };
-        let realization_decl = dag.declaration(realization_id);
-        assert!(
-            realization_decl.name.is_none(),
-            "realization instance is anonymous"
-        );
-        assert!(
-            matches!(realization_decl.connective, TypeConnective::Conj { .. }),
-            "realization instance must be a Conj"
-        );
-
-        let meta_type_id = realization_decl
-            .meta_tag
-            .expect("realization instance must carry a meta_tag");
-        let meta_type_decl = dag.declaration(meta_type_id);
-        assert_eq!(
-            meta_type_decl.name.as_deref(),
-            Some("TestRealization"),
-            "meta_tag points at the test-local meta-type"
-        );
-        assert!(
-            realization_decl.inhabits.is_none(),
-            "realization instance uses meta_tag only, not inhabits"
-        );
-
-        // Self-check on the AtomPayload enum so the test depends on
-        // its shape (otherwise an unused import warning fires).
-        let _probe: Option<&AtomPayload> = None;
-    }
-
-    #[test]
-    fn malformed_pipeline_stage_attaches_diagnostic() {
-        use crate::diagnostics::BootstrapAuthorityKey;
-
-        let mut dag = Dag::new();
-        assert!(dag.diagnostics().is_empty(), "bootstrap should start clean");
-
-        let parse_stage = dag
-            .declaration_by_name("parse")
-            .expect("parse stage present")
-            .id;
-        dag.declaration_mut(parse_stage).connective = TypeConnective::Conj {
-            children: Vec::new(),
-        };
-
-        materialize_pipeline_realizations(&mut dag);
-
-        // Consumer-side dispatch on attribution witness, not on
-        // `span.file == PIPELINE_AUTHORITY_FILE` (audit row #6
-        // retirement; bootstrap.rs slice 1 of 2).
-        let expected_key = BootstrapAuthorityKey::for_pipeline_authority();
-        let mut matched = 0usize;
-        for (_, diag, attribution) in dag.diagnostics().iter_attributed() {
-            let Diagnostic::ResolveError { name, .. } = diag else {
-                continue;
-            };
-            if !name.contains("pipeline stage `parse`") {
-                continue;
-            }
-            assert!(
-                attribution.is_bootstrap(),
-                "malformed-stage diagnostic must carry BootstrapAuthority attribution, got {attribution:?}"
-            );
-            assert_eq!(
-                attribution.as_bootstrap_authority(),
-                Some(&expected_key),
-                "attribution witness must match pipeline-authority key"
-            );
-            matched += 1;
-        }
-        assert_eq!(
-            matched, 1,
-            "expected exactly one bootstrap-attributed pipeline-stage diagnostic, got {matched}"
-        );
-    }
-
-    #[test]
-    fn kernel_bool_path_a_attaches_diagnostic_when_boolean_algebra_unresolvable() {
-        let mut dag = Dag::new();
-        assert!(
-            dag.diagnostics().is_empty(),
-            "production bootstrap should satisfy Path A preconditions: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-
-        let bool_id = dag
-            .declaration_by_name("Bool")
-            .expect("kernel Bool from std")
-            .id;
-        dag.declaration_mut(bool_id).inhabits = None;
-
-        let ba_id = dag
-            .declaration_by_name("BooleanAlgebra")
-            .expect("BooleanAlgebra from std")
-            .id;
-        dag.declaration_mut(ba_id).name = Some("__test_hidden_BooleanAlgebra".to_string());
-
-        crate::lower::wire_kernel_bool_boolean_algebra_inhabits(&mut dag, bool_id);
-
-        assert!(
-            dag.declaration(bool_id).inhabits.is_none(),
-            "inhabits must stay unset when the patch cannot complete"
-        );
-        assert!(
-            dag.diagnostics().iter().any(|(_, diag)| {
-                matches!(
-                    diag,
-                    Diagnostic::ResolveError { name, .. }
-                        if name.contains("Lane 1e-2b Path A") && name.contains("BooleanAlgebra")
-                )
-            }),
-            "expected bootstrap Path A diagnostic, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-    }
-
-    /// PB row 82 surface: detached phantom-port bootstrap diagnostics
-    /// must carry [`DiagnosticAttribution::BootstrapAuthority`] so
-    /// Verification can recover bootstrap origin without comparing
-    /// `SourceSpan.file` against a known authority path. Drives the
-    /// same Path A failure as the sibling test above and asserts the
-    /// attribution surface; consumer-side dispatch uses
-    /// `attribution.is_bootstrap()` and witness identity.
-    #[test]
-    fn kernel_bool_path_a_diagnostic_carries_bootstrap_authority_attribution() {
-        use crate::diagnostics::{BootstrapAuthorityKey, DiagnosticAttribution};
-
-        let mut dag = Dag::new();
-        let bool_id = dag.declaration_by_name("Bool").expect("kernel Bool").id;
-        dag.declaration_mut(bool_id).inhabits = None;
-        let ba_id = dag
-            .declaration_by_name("BooleanAlgebra")
-            .expect("BooleanAlgebra")
-            .id;
-        dag.declaration_mut(ba_id).name = Some("__test_hidden_BooleanAlgebra".to_string());
-
-        crate::lower::wire_kernel_bool_boolean_algebra_inhabits(&mut dag, bool_id);
-
-        let expected_key = BootstrapAuthorityKey::for_kernel_bool();
-        let mut bootstrap_attributed = 0usize;
-        for (port, diag, attribution) in dag.diagnostics().iter_attributed() {
-            // Sanity-check: the message we expect from this scenario.
-            let Diagnostic::ResolveError { name, .. } = diag else {
-                continue;
-            };
-            if !(name.contains("Lane 1e-2b Path A") && name.contains("BooleanAlgebra")) {
-                continue;
-            }
-            // Consumer-side dispatch: no `span.file ==` compare here.
-            assert!(
-                attribution.is_bootstrap(),
-                "Path A diagnostic at port {port:?} must be DiagnosticAttribution::BootstrapAuthority(_), got {attribution:?}"
-            );
-            assert_eq!(
-                attribution.as_bootstrap_authority(),
-                Some(&expected_key),
-                "attribution witness must match dsl/std/types.dag bootstrap-authority key"
-            );
-            // Same answer through the per-port accessor.
-            assert_eq!(
-                dag.diagnostics().attribution(port),
-                Some(&DiagnosticAttribution::BootstrapAuthority(
-                    expected_key.clone()
-                ))
-            );
-            bootstrap_attributed += 1;
-        }
-        assert_eq!(
-            bootstrap_attributed, 1,
-            "expected exactly one bootstrap-attributed Path A diagnostic, got {bootstrap_attributed} \
-             (table: {:?})",
-            dag.diagnostics().iter_attributed().collect::<Vec<_>>()
-        );
-    }
-}
diff --git a/src/v3/compiler/src/bootstrap_generated.rs b/src/v3/compiler/src/bootstrap_generated.rs
deleted file mode 100644
index b4bfddd2ce9..00000000000
--- a/src/v3/compiler/src/bootstrap_generated.rs
+++ /dev/null
@@ -1,109094 +0,0 @@
-// AUTO-GENERATED from `dsl/std/*.dag + src/v3/std/*.dag + src/v3/spec/*.dag + src/v3/compiler/*.dag minus tokenize.dag + dsl/extdeps/languages/rust/primitives.dag` via `regen_bootstrap`.
-// Regenerate instead of hand-editing.
-
-pub(crate) fn bootstrapped_fixture_dag() -> Dag {
-    Dag {
-        nodes: bootstrapped_fixture_dag_nodes(),
-        declarations: bootstrapped_fixture_dag_declarations(),
-        ports: bootstrapped_fixture_dag_ports(),
-        diagnostics: bootstrapped_fixture_dag_diagnostics(),
-        next_node_id: 1031,
-        next_declaration_id: 3413,
-        next_port_id: 1207,
-        primitives: PrimitiveCache::default(),
-        substrate_markers: SubstrateMarkers::default(),
-        realization_metas: RealizationMetaCache::default(),
-        target_syntax: TargetSyntaxCache::default(),
-        stdlib_types: StdlibTypeCache::default(),
-        emit_anchors: EmitAnchorCache::default(),
-        pattern_binding_rule_variants: PatternBindingRuleVariants::default(),
-        variant_payload_field_access_rule_variants: VariantPayloadFieldAccessRuleVariants::default(
-        ),
-        verifier_output_policy_variants: VerifierOutputPolicyVariants::default(),
-        callable_strategy_variants: CallableStrategyVariants::default(),
-        emit_model_variants: EmitModelVariants::default(),
-        clusters: bootstrapped_fixture_dag_clusters(),
-        optional_match_disjs: bootstrapped_fixture_dag_optional_match_disjs(),
-        declaration_append_begin_after_bootstrap: 3413,
-    }
-}
-
-#[allow(clippy::vec_init_then_push)]
-fn bootstrapped_fixture_dag_nodes() -> Vec<Behavior> {
-    {
-        let mut nodes = Vec::with_capacity(1031);
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(0),
-            data: LiteralBits::Int("0".to_string()),
-            output: PortId(1),
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Gt)),
-            inputs: vec![PortId(0), PortId(1)],
-            output: PortId(2),
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(2),
-            name: "<registry-refinement:PositiveInt>".to_string(),
-            value: PortId(2),
-            params: vec![PortId(0)],
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(3),
-            data: LiteralBits::Int("0".to_string()),
-            output: PortId(4),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(4),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(3), PortId(4)],
-            output: PortId(5),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(5),
-            data: LiteralBits::Int("55295".to_string()),
-            output: PortId(6),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(6),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(3), PortId(6)],
-            output: PortId(7),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(7),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(5), PortId(7)],
-            output: PortId(8),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(8),
-            data: LiteralBits::Int("57344".to_string()),
-            output: PortId(9),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(9),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(3), PortId(9)],
-            output: PortId(10),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(10),
-            data: LiteralBits::Int("1114111".to_string()),
-            output: PortId(11),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(11),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(3), PortId(11)],
-            output: PortId(12),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(12),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(10), PortId(12)],
-            output: PortId(13),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(13),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(8), PortId(13)],
-            output: PortId(14),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(14),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(3), PortId(3)],
-            output: PortId(15),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(15),
-            data: LiteralBits::String("Char".to_string()),
-            output: PortId(16),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(16),
-            data: LiteralBits::String("Char".to_string()),
-            output: PortId(17),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(17),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(16), PortId(17)],
-            output: PortId(18),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(18),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(15), PortId(18)],
-            output: PortId(19),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(19),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(14), PortId(19)],
-            output: PortId(20),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9223),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(20),
-            name: "<registry-refinement:Char>".to_string(),
-            value: PortId(20),
-            params: vec![PortId(3)],
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9223),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(21),
-            data: LiteralBits::Int("1".to_string()),
-            output: PortId(22),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(22),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(21), PortId(22)],
-            output: PortId(23),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(23),
-            data: LiteralBits::Int("5".to_string()),
-            output: PortId(24),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(24),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(21), PortId(24)],
-            output: PortId(25),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(25),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(23), PortId(25)],
-            output: PortId(26),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(26),
-            name: "<registry-refinement:RetryCount>".to_string(),
-            value: PortId(26),
-            params: vec![PortId(21)],
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(27),
-            data: LiteralBits::Int("100".to_string()),
-            output: PortId(28),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(28),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(27), PortId(28)],
-            output: PortId(29),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(29),
-            data: LiteralBits::Int("599".to_string()),
-            output: PortId(30),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(30),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(27), PortId(30)],
-            output: PortId(31),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(31),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(29), PortId(31)],
-            output: PortId(32),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(32),
-            name: "<registry-refinement:HttpStatus>".to_string(),
-            value: PortId(32),
-            params: vec![PortId(27)],
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(33),
-            data: LiteralBits::Int("1".to_string()),
-            output: PortId(34),
-            span: SourceSpan::new("dsl/std/types.dag", 11827, 11852),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(34),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(33), PortId(34)],
-            output: PortId(35),
-            span: SourceSpan::new("dsl/std/types.dag", 11827, 11852),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(35),
-            data: LiteralBits::Int("65535".to_string()),
-            output: PortId(36),
-            span: SourceSpan::new("dsl/std/types.dag", 11827, 11852),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(36),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(33), PortId(36)],
-            output: PortId(37),
-            span: SourceSpan::new("dsl/std/types.dag", 11827, 11852),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(37),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(35), PortId(37)],
-            output: PortId(38),
-            span: SourceSpan::new("dsl/std/types.dag", 11827, 11852),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(38),
-            name: "<registry-refinement:Port>".to_string(),
-            value: PortId(38),
-            params: vec![PortId(33)],
-            span: SourceSpan::new("dsl/std/types.dag", 11827, 11852),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(39),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(39), PortId(39)],
-            output: PortId(40),
-            span: SourceSpan::new("dsl/std/types.dag", 13050, 13070),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(40),
-            data: LiteralBits::String("PathSegment".to_string()),
-            output: PortId(41),
-            span: SourceSpan::new("dsl/std/types.dag", 13050, 13070),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(41),
-            data: LiteralBits::String("PathSegment".to_string()),
-            output: PortId(42),
-            span: SourceSpan::new("dsl/std/types.dag", 13050, 13070),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(42),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(41), PortId(42)],
-            output: PortId(43),
-            span: SourceSpan::new("dsl/std/types.dag", 13050, 13070),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(43),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(40), PortId(43)],
-            output: PortId(44),
-            span: SourceSpan::new("dsl/std/types.dag", 13050, 13070),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(44),
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-                    body: NodeId(905),
-                    output: PortId(1063),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "SomeDiagnostic".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            4387,
-                            4414,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "_".to_string(),
-                        payload_port: PortId(1060),
-                    }),
-                },
-            ],
-            output: PortId(1064),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 4254, 4464),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(907),
-            input: PortId(1014),
-            paths: vec![
-                Path {
-                    body: NodeId(874),
-                    output: PortId(1024),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Value".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            3301,
-                            3309,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "_".to_string(),
-                        payload_port: PortId(1015),
-                    }),
-                },
-                Path {
-                    body: NodeId(882),
-                    output: PortId(1034),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Transform".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            3534,
-                            3546,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "_".to_string(),
-                        payload_port: PortId(1025),
-                    }),
-                },
-                Path {
-                    body: NodeId(890),
-                    output: PortId(1044),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Branch".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            3771,
-                            3780,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "_".to_string(),
-                        payload_port: PortId(1035),
-                    }),
-                },
-                Path {
-                    body: NodeId(898),
-                    output: PortId(1054),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Loop".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            4005,
-                            4012,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "_".to_string(),
-                        payload_port: PortId(1045),
-                    }),
-                },
-                Path {
-                    body: NodeId(906),
-                    output: PortId(1064),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Bind".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            4237,
-                            4244,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "_".to_string(),
-                        payload_port: PortId(1055),
-                    }),
-                },
-            ],
-            output: PortId(1065),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 3287, 4468),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(908),
-            name: "ci_demo_timing_read".to_string(),
-            value: PortId(1065),
-            params: vec![PortId(1013), PortId(1014)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 3287, 4468),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(909),
-            target: TransformTarget::Callable(DeclarationId(1282)),
-            inputs: vec![PortId(1066), PortId(1067)],
-            output: PortId(1068),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 4859, 4884),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(910),
-            name: "ci_wad_modeled_workflow_timing_witness".to_string(),
-            value: PortId(1068),
-            params: vec![PortId(1066), PortId(1067)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 4859, 4884),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(911),
-            target: TransformTarget::Callable(DeclarationId(2744)),
-            inputs: vec![],
-            output: PortId(1069),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5142, 5147),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(912),
-            name: "_ci_wad_seed_list_declaration_empty".to_string(),
-            value: PortId(1069),
-            params: vec![],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5142, 5147),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(913),
-            target: TransformTarget::Callable(DeclarationId(2745)),
-            inputs: vec![],
-            output: PortId(1070),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5207, 5212),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(914),
-            name: "_ci_wad_seed_list_behavior_empty".to_string(),
-            value: PortId(1070),
-            params: vec![],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5207, 5212),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(915),
-            target: TransformTarget::Callable(DeclarationId(2746)),
-            inputs: vec![],
-            output: PortId(1071),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5270, 5275),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(916),
-            name: "_ci_wad_seed_list_dagport_empty".to_string(),
-            value: PortId(1071),
-            params: vec![],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5270, 5275),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(917),
-            target: TransformTarget::Callable(DeclarationId(2747)),
-            inputs: vec![],
-            output: PortId(1072),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5333, 5338),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(918),
-            name: "_ci_wad_seed_list_cluster_empty".to_string(),
-            value: PortId(1072),
-            params: vec![],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5333, 5338),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(919),
-            target: TransformTarget::Callable(DeclarationId(2748)),
-            inputs: vec![],
-            output: PortId(1073),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5397, 5402),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(920),
-            name: "_ci_wad_empty_list_diagnostic".to_string(),
-            value: PortId(1073),
-            params: vec![],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5397, 5402),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(921),
-            target: TransformTarget::Callable(DeclarationId(2749)),
-            inputs: vec![],
-            output: PortId(1074),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5477, 5482),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(922),
-            name: "_ci_wad_empty_list_witness_tm".to_string(),
-            value: PortId(1074),
-            params: vec![],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5477, 5482),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(923),
-            target: TransformTarget::Callable(DeclarationId(2751)),
-            inputs: vec![PortId(1075)],
-            output: PortId(1076),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5593, 5604),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(924),
-            target: TransformTarget::Callable(DeclarationId(1289)),
-            inputs: vec![],
-            output: PortId(1077),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5612, 5643),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(925),
-            target: TransformTarget::Callable(DeclarationId(2750)),
-            inputs: vec![PortId(1076), PortId(1077)],
-            output: PortId(1078),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5580, 5645),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(926),
-            name: "_ci_wad_witnesses_singleton_tm".to_string(),
-            value: PortId(1078),
-            params: vec![PortId(1075)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5580, 5645),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(927),
-            target: TransformTarget::Callable(DeclarationId(1288)),
-            inputs: vec![],
-            output: PortId(1080),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5746, 5777),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(928),
-            target: TransformTarget::Callable(DeclarationId(2752)),
-            inputs: vec![PortId(1079), PortId(1080)],
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-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5721, 5779),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(929),
-            name: "_ci_wad_violations_singleton".to_string(),
-            value: PortId(1081),
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-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5721, 5779),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(930),
-            data: LiteralBits::String("ci_modeled_timing".to_string()),
-            output: PortId(1083),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5914, 5933),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(931),
-            target: TransformTarget::Callable(DeclarationId(1290)),
-            inputs: vec![PortId(1082)],
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(932),
-            target: TransformTarget::Callable(DeclarationId(2753)),
-            inputs: vec![PortId(1083), PortId(1082), PortId(1084)],
-            output: PortId(1085),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5880, 6005),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(933),
-            name: "_ci_wad_dimension_ok_tm_payload".to_string(),
-            value: PortId(1085),
-            params: vec![PortId(1082)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5880, 6005),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(934),
-            data: LiteralBits::String("ci_modeled_timing".to_string()),
-            output: PortId(1088),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6162, 6181),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(935),
-            target: TransformTarget::Callable(DeclarationId(1291)),
-            inputs: vec![PortId(1087)],
-            output: PortId(1089),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6199, 6233),
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-            id: NodeId(936),
-            target: TransformTarget::Callable(DeclarationId(1290)),
-            inputs: vec![PortId(1086)],
-            output: PortId(1090),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6250, 6283),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(937),
-            target: TransformTarget::Callable(DeclarationId(2754)),
-            inputs: vec![PortId(1088), PortId(1089), PortId(1090)],
-            output: PortId(1091),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6126, 6288),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(938),
-            name: "_ci_wad_dimension_fail_tm_payload".to_string(),
-            value: PortId(1091),
-            params: vec![PortId(1086), PortId(1087)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6126, 6288),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(939),
-            target: TransformTarget::Callable(DeclarationId(1247)),
-            inputs: vec![PortId(1092)],
-            output: PortId(1094),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6651, 6668),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(940),
-            target: TransformTarget::Callable(DeclarationId(1292)),
-            inputs: vec![PortId(1093)],
-            output: PortId(1095),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6684, 6718),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(941),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "head".to_string(),
-            },
-            inputs: vec![PortId(1096)],
-            output: PortId(1097),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6730, 6738),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(942),
-            target: TransformTarget::UnresolvedFieldProject {
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-            inputs: vec![PortId(1096)],
-            output: PortId(1098),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6740, 6748),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(943),
-            target: TransformTarget::Callable(DeclarationId(1292)),
-            inputs: vec![PortId(1093)],
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-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6754, 6788),
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-        nodes.push(Behavior::Branch(BranchNode {
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-            input: PortId(1094),
-            paths: vec![
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-                    output: PortId(1095),
-                    pattern: BranchPattern::UnresolvedVariant {
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-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            6675,
-                            6680,
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-                    binding: None,
-                },
-                Path {
-                    body: NodeId(943),
-                    output: PortId(1099),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Cons".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
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-                    },
-                    binding: Some(PayloadBinding {
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-                        payload_port: PortId(1096),
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-            output: PortId(1100),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6645, 6792),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(945),
-            name: "report_dim_ok_tm".to_string(),
-            value: PortId(1100),
-            params: vec![PortId(1092), PortId(1093)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6645, 6792),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(946),
-            target: TransformTarget::Callable(DeclarationId(1247)),
-            inputs: vec![PortId(1101)],
-            output: PortId(1104),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6912, 6929),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(947),
-            target: TransformTarget::Callable(DeclarationId(1293)),
-            inputs: vec![PortId(1102), PortId(1103)],
-            output: PortId(1105),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6945, 6987),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(948),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "head".to_string(),
-            },
-            inputs: vec![PortId(1106)],
-            output: PortId(1107),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6999, 7007),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(949),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "tail".to_string(),
-            },
-            inputs: vec![PortId(1106)],
-            output: PortId(1108),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7009, 7017),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(950),
-            target: TransformTarget::Callable(DeclarationId(1293)),
-            inputs: vec![PortId(1102), PortId(1103)],
-            output: PortId(1109),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7023, 7065),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(951),
-            input: PortId(1104),
-            paths: vec![
-                Path {
-                    body: NodeId(947),
-                    output: PortId(1105),
-                    pattern: BranchPattern::UnresolvedVariant {
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-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            6936,
-                            6941,
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-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(950),
-                    output: PortId(1109),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Cons".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
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-                    binding: Some(PayloadBinding {
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-                        payload_port: PortId(1106),
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-            output: PortId(1110),
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-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(952),
-            name: "report_dim_fail_tm".to_string(),
-            value: PortId(1110),
-            params: vec![PortId(1101), PortId(1102), PortId(1103)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6906, 7069),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(953),
-            target: TransformTarget::Callable(DeclarationId(1294)),
-            inputs: vec![PortId(1111), PortId(1112)],
-            output: PortId(1114),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7227, 7249),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(954),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "value".to_string(),
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-            inputs: vec![PortId(1115)],
-            output: PortId(1116),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7271, 7282),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(955),
-            target: TransformTarget::Callable(DeclarationId(1295)),
-            inputs: vec![PortId(1111), PortId(1112), PortId(1116)],
-            output: PortId(1117),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7288, 7318),
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-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(956),
-            input: PortId(1113),
-            paths: vec![
-                Path {
-                    body: NodeId(953),
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-                    body: NodeId(1001),
-                    output: PortId(1174),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Ge".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1099, 1101),
-                    },
-                    binding: None,
-                },
-            ],
-            output: PortId(1175),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 985, 1117),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1003),
-            data: LiteralBits::String("&&".to_string()),
-            output: PortId(1177),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1179, 1183),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1004),
-            data: LiteralBits::String("||".to_string()),
-            output: PortId(1178),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1198, 1202),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(1005),
-            input: PortId(1176),
-            paths: vec![
-                Path {
-                    body: NodeId(1003),
-                    output: PortId(1177),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "And".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1172, 1175),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1004),
-                    output: PortId(1178),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Or".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1192, 1194),
-                    },
-                    binding: None,
-                },
-            ],
-            output: PortId(1179),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1148, 1210),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(1006),
-            input: PortId(1161),
-            paths: vec![
-                Path {
-                    body: NodeId(995),
-                    output: PortId(1167),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Arithmetic".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 830, 847),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "arith".to_string(),
-                        payload_port: PortId(1162),
-                    }),
-                },
-                Path {
-                    body: NodeId(1002),
-                    output: PortId(1175),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Comparison".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 959, 975),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "comp".to_string(),
-                        payload_port: PortId(1168),
-                    }),
-                },
-                Path {
-                    body: NodeId(1005),
-                    output: PortId(1179),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Logical".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1122, 1138),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "logical".to_string(),
-                        payload_port: PortId(1176),
-                    }),
-                },
-            ],
-            output: PortId(1180),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 815, 1214),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(1007),
-            name: "symbol".to_string(),
-            value: PortId(1180),
-            params: vec![PortId(1161)],
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 815, 1214),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1008),
-            data: LiteralBits::String("add".to_string()),
-            output: PortId(1183),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1341, 1346),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1009),
-            data: LiteralBits::String("sub".to_string()),
-            output: PortId(1184),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1362, 1367),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1010),
-            data: LiteralBits::String("mul".to_string()),
-            output: PortId(1185),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1383, 1388),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1011),
-            data: LiteralBits::String("div".to_string()),
-            output: PortId(1186),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1404, 1409),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(1012),
-            input: PortId(1182),
-            paths: vec![
-                Path {
-                    body: NodeId(1008),
-                    output: PortId(1183),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Add".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1334, 1337),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1009),
-                    output: PortId(1184),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Sub".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1355, 1358),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1010),
-                    output: PortId(1185),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Mul".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1376, 1379),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1011),
-                    output: PortId(1186),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Div".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1397, 1400),
-                    },
-                    binding: None,
-                },
-            ],
-            output: PortId(1187),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1312, 1417),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1013),
-            data: LiteralBits::String("eq".to_string()),
-            output: PortId(1189),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1475, 1479),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1014),
-            data: LiteralBits::String("ne".to_string()),
-            output: PortId(1190),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1494, 1498),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1015),
-            data: LiteralBits::String("lt".to_string()),
-            output: PortId(1191),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1513, 1517),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1016),
-            data: LiteralBits::String("le".to_string()),
-            output: PortId(1192),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1532, 1536),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1017),
-            data: LiteralBits::String("gt".to_string()),
-            output: PortId(1193),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1551, 1555),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1018),
-            data: LiteralBits::String("ge".to_string()),
-            output: PortId(1194),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1570, 1574),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(1019),
-            input: PortId(1188),
-            paths: vec![
-                Path {
-                    body: NodeId(1013),
-                    output: PortId(1189),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Eq".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1469, 1471),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1014),
-                    output: PortId(1190),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Ne".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1488, 1490),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1015),
-                    output: PortId(1191),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Lt".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1507, 1509),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1016),
-                    output: PortId(1192),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Le".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1526, 1528),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1017),
-                    output: PortId(1193),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Gt".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1545, 1547),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1018),
-                    output: PortId(1194),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Ge".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1564, 1566),
-                    },
-                    binding: None,
-                },
-            ],
-            output: PortId(1195),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1448, 1582),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1020),
-            data: LiteralBits::String("meet".to_string()),
-            output: PortId(1197),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1978, 1984),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1021),
-            data: LiteralBits::String("join".to_string()),
-            output: PortId(1198),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1999, 2005),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(1022),
-            input: PortId(1196),
-            paths: vec![
-                Path {
-                    body: NodeId(1020),
-                    output: PortId(1197),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "And".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1971, 1974),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(1021),
-                    output: PortId(1198),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Or".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1993, 1995),
-                    },
-                    binding: None,
-                },
-            ],
-            output: PortId(1199),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1947, 2013),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(1023),
-            input: PortId(1181),
-            paths: vec![
-                Path {
-                    body: NodeId(1012),
-                    output: PortId(1187),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Arithmetic".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1285, 1302),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "arith".to_string(),
-                        payload_port: PortId(1182),
-                    }),
-                },
-                Path {
-                    body: NodeId(1019),
-                    output: PortId(1195),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Comparison".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1422, 1438),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "comp".to_string(),
-                        payload_port: PortId(1188),
-                    }),
-                },
-                Path {
-                    body: NodeId(1022),
-                    output: PortId(1199),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Logical".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1921, 1937),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "logical".to_string(),
-                        payload_port: PortId(1196),
-                    }),
-                },
-            ],
-            output: PortId(1200),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1270, 2017),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(1024),
-            name: "algebra_field_name".to_string(),
-            value: PortId(1200),
-            params: vec![PortId(1181)],
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1270, 2017),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1025),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(1201), PortId(1201)],
-            output: PortId(1202),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1026),
-            data: LiteralBits::String("GitHubActionsWorkflowStemSegment".to_string()),
-            output: PortId(1203),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1027),
-            data: LiteralBits::String("GitHubActionsWorkflowStemSegment".to_string()),
-            output: PortId(1204),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1028),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(1203), PortId(1204)],
-            output: PortId(1205),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1029),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(1202), PortId(1205)],
-            output: PortId(1206),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(1030),
-            name: "<registry-refinement:GitHubActionsWorkflowStemSegment>".to_string(),
-            value: PortId(1206),
-            params: vec![PortId(1201)],
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes
-    }
-}
-
-#[allow(clippy::vec_init_then_push)]
-fn bootstrapped_fixture_dag_declarations() -> Vec<Declaration> {
-    {
-        let mut declarations = Vec::with_capacity(3413);
-        declarations.push(Declaration {
-            id: DeclarationId(0),
-            name: Some("Classical".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "True".to_string(),
-                        ty: DeclarationId(313),
-                    },
-                    Field {
-                        label: "False".to_string(),
-                        ty: DeclarationId(314),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 287, 316),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1),
-            name: Some("classical_not".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(0)],
-                output: DeclarationId(0),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/logic.dag", 362, 429)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 318, 429),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2),
-            name: Some("classical_and".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(0), DeclarationId(0)],
-                output: DeclarationId(0),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/logic.dag", 489, 553)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 431, 553),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3),
-            name: Some("classical_or".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(0), DeclarationId(0)],
-                output: DeclarationId(0),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/logic.dag", 612, 675)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 555, 675),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(4),
-            name: Some("Bit".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(0),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 897, 917),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(5),
-            name: Some("Nibble".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bits".to_string(),
-                    ty: DeclarationId(315),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1003, 1034),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(6),
-            name: Some("Byte".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bits".to_string(),
-                    ty: DeclarationId(316),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1118, 1147),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(7),
-            name: Some("Word16".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(317),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1251, 1284),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(8),
-            name: Some("Word32".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(318),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1285, 1318),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(9),
-            name: Some("Word64".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(319),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1319, 1352),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(10),
-            name: Some("Word128".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(320),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1353, 1387),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(11),
-            name: Some("Result".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Ok".to_string(),
-                        ty: DeclarationId(321),
-                    },
-                    Field {
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-                        ty: DeclarationId(373),
-                    },
-                    Field {
-                        label: "top".to_string(),
-                        ty: DeclarationId(46),
-                    },
-                    Field {
-                        label: "bottom".to_string(),
-                        ty: DeclarationId(46),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(46)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13464, 13580),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(46),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13464, 13580),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(47),
-            name: Some("FreeMonoid".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "concat".to_string(),
-                        ty: DeclarationId(377),
-                    },
-                    Field {
-                        label: "empty".to_string(),
-                        ty: DeclarationId(378),
-                    },
-                    Field {
-                        label: "append".to_string(),
-                        ty: DeclarationId(380),
-                    },
-                    Field {
-                        label: "slice".to_string(),
-                        ty: DeclarationId(382),
-                    },
-                    Field {
-                        label: "length".to_string(),
-                        ty: DeclarationId(383),
-                    },
-                    Field {
-                        label: "is_empty".to_string(),
-                        ty: DeclarationId(384),
-                    },
-                    Field {
-                        label: "count".to_string(),
-                        ty: DeclarationId(385),
-                    },
-                    Field {
-                        label: "first".to_string(),
-                        ty: DeclarationId(387),
-                    },
-                    Field {
-                        label: "last".to_string(),
-                        ty: DeclarationId(389),
-                    },
-                    Field {
-                        label: "map".to_string(),
-                        ty: DeclarationId(392),
-                    },
-                    Field {
-                        label: "filter".to_string(),
-                        ty: DeclarationId(395),
-                    },
-                    Field {
-                        label: "fold".to_string(),
-                        ty: DeclarationId(397),
-                    },
-                    Field {
-                        label: "flat_map".to_string(),
-                        ty: DeclarationId(401),
-                    },
-                    Field {
-                        label: "any".to_string(),
-                        ty: DeclarationId(403),
-                    },
-                    Field {
-                        label: "all".to_string(),
-                        ty: DeclarationId(405),
-                    },
-                    Field {
-                        label: "enumerate".to_string(),
-                        ty: DeclarationId(409),
-                    },
-                    Field {
-                        label: "reverse".to_string(),
-                        ty: DeclarationId(411),
-                    },
-                    Field {
-                        label: "skip".to_string(),
-                        ty: DeclarationId(413),
-                    },
-                    Field {
-                        label: "take".to_string(),
-                        ty: DeclarationId(415),
-                    },
-                    Field {
-                        label: "sort_by".to_string(),
-                        ty: DeclarationId(418),
-                    },
-                    Field {
-                        label: "contains".to_string(),
-                        ty: DeclarationId(419),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(48)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 17472, 18434),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(48),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 17472, 18434),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(49),
-            name: Some("PartialFunction".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "lookup".to_string(),
-                        ty: DeclarationId(422),
-                    },
-                    Field {
-                        label: "empty".to_string(),
-                        ty: DeclarationId(423),
-                    },
-                    Field {
-                        label: "get".to_string(),
-                        ty: DeclarationId(425),
-                    },
-                    Field {
-                        label: "insert".to_string(),
-                        ty: DeclarationId(427),
-                    },
-                    Field {
-                        label: "merge".to_string(),
-                        ty: DeclarationId(430),
-                    },
-                    Field {
-                        label: "keys".to_string(),
-                        ty: DeclarationId(432),
-                    },
-                    Field {
-                        label: "values".to_string(),
-                        ty: DeclarationId(434),
-                    },
-                    Field {
-                        label: "has".to_string(),
-                        ty: DeclarationId(435),
-                    },
-                    Field {
-                        label: "contains_key".to_string(),
-                        ty: DeclarationId(436),
-                    },
-                    Field {
-                        label: "size".to_string(),
-                        ty: DeclarationId(437),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(50), DeclarationId(51)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 18963, 19310),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(50),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("K".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 18963, 19310),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(51),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("V".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 18963, 19310),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(52),
-            name: Some("Ordering".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Less".to_string(),
-                        ty: DeclarationId(438),
-                    },
-                    Field {
-                        label: "Equal".to_string(),
-                        ty: DeclarationId(439),
-                    },
-                    Field {
-                        label: "Greater".to_string(),
-                        ty: DeclarationId(440),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 19511, 19549),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(53),
-            name: Some("AlgebraProfile".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "OrderedRingProfile".to_string(),
-                        ty: DeclarationId(441),
-                    },
-                    Field {
-                        label: "ApproximateFieldProfile".to_string(),
-                        ty: DeclarationId(442),
-                    },
-                    Field {
-                        label: "BooleanAlgebraProfile".to_string(),
-                        ty: DeclarationId(443),
-                    },
-                    Field {
-                        label: "BooleanAlgebraCollectionProfile".to_string(),
-                        ty: DeclarationId(444),
-                    },
-                    Field {
-                        label: "FreeMonoidScalarProfile".to_string(),
-                        ty: DeclarationId(445),
-                    },
-                    Field {
-                        label: "FreeMonoidCollectionProfile".to_string(),
-                        ty: DeclarationId(446),
-                    },
-                    Field {
-                        label: "PartialFunctionProfile".to_string(),
-                        ty: DeclarationId(447),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 21634, 21853),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(54),
-            name: Some("ContainerSource".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "SameAsReceiver".to_string(),
-                        ty: DeclarationId(448),
-                    },
-                    Field {
-                        label: "Named".to_string(),
-                        ty: DeclarationId(449),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 21855, 21921),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(55),
-            name: Some("AlgebraTypeTemplate".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ReceiverSelf".to_string(),
-                        ty: DeclarationId(450),
-                    },
-                    Field {
-                        label: "ReceiverElement".to_string(),
-                        ty: DeclarationId(451),
-                    },
-                    Field {
-                        label: "ReceiverKey".to_string(),
-                        ty: DeclarationId(452),
-                    },
-                    Field {
-                        label: "ReceiverValue".to_string(),
-                        ty: DeclarationId(453),
-                    },
-                    Field {
-                        label: "NamedTemplate".to_string(),
-                        ty: DeclarationId(454),
-                    },
-                    Field {
-                        label: "ContainerOf".to_string(),
-                        ty: DeclarationId(455),
-                    },
-                    Field {
-                        label: "OptionalOf".to_string(),
-                        ty: DeclarationId(456),
-                    },
-                    Field {
-                        label: "WitnessOf".to_string(),
-                        ty: DeclarationId(457),
-                    },
-                    Field {
-                        label: "TupleOf".to_string(),
-                        ty: DeclarationId(458),
-                    },
-                    Field {
-                        label: "CallableOf".to_string(),
-                        ty: DeclarationId(460),
-                    },
-                    Field {
-                        label: "AlgebraTypeVariable".to_string(),
-                        ty: DeclarationId(461),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 21923, 22416),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(56),
-            name: Some("CollectionSizeEffect".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ShrinkEffect".to_string(),
-                        ty: DeclarationId(462),
-                    },
-                    Field {
-                        label: "ProjectionEffect".to_string(),
-                        ty: DeclarationId(463),
-                    },
-                    Field {
-                        label: "IdentityEffect".to_string(),
-                        ty: DeclarationId(464),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 22632, 22809),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(57),
-            name: Some("CostShape".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ShapeConstant".to_string(),
-                        ty: DeclarationId(465),
-                    },
-                    Field {
-                        label: "ShapeLinearScan".to_string(),
-                        ty: DeclarationId(466),
-                    },
-                    Field {
-                        label: "ShapeIterateBody".to_string(),
-                        ty: DeclarationId(467),
-                    },
-                    Field {
-                        label: "ShapeSortBody".to_string(),
-                        ty: DeclarationId(468),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23267, 23452),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(58),
-            name: Some("AlgebraFieldTemplate".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "param_types".to_string(),
-                        ty: DeclarationId(469),
-                    },
-                    Field {
-                        label: "return_type".to_string(),
-                        ty: DeclarationId(55),
-                    },
-                    Field {
-                        label: "size_effect".to_string(),
-                        ty: DeclarationId(470),
-                    },
-                    Field {
-                        label: "cost_shape".to_string(),
-                        ty: DeclarationId(471),
-                    },
-                    Field {
-                        label: "callback_element_position".to_string(),
-                        ty: DeclarationId(472),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23477, 23908),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(59),
-            name: Some("kernel_algebra_profile".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(53),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(473)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "Int".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(441),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Float".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(442),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Bool".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(443),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "String".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(445),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "List".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(446),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(444),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(447),
-                            payload: vec![],
-                        },
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23910, 24220),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(60),
-            name: Some("ordered_ring_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(325),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 24280, 25425)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 24222, 25425),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(61),
-            name: Some("approximate_field_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(326),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 25490, 26584)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 25427, 26584),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(62),
-            name: Some("boolean_algebra_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(327),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 26647, 27408)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 26586, 27408),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(63),
-            name: Some("boolean_algebra_collection_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(328),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 27773, 31163)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 27701, 31163),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(64),
-            name: Some("free_monoid_scalar_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(329),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 31229, 34472)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 31165, 34472),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(65),
-            name: Some("free_monoid_collection_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(330),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 34542, 39903)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 34474, 39903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(66),
-            name: Some("partial_function_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(331),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 39967, 42790)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 39905, 42790),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(67),
-            name: Some("algebra_templates_for_profile".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(53)],
-                output: DeclarationId(332),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 42880, 43343)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 42792, 43343),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(68),
-            name: Some("algebra_type_param_names".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(53)],
-                output: DeclarationId(333),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 43685, 43966)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 43616, 43966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(69),
-            name: Some("Magnitude".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/magnitude.dag", 1464, 1478),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(70),
-            name: Some("MachineWidth".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![DeclarationId(71)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 3296, 3313),
-        });
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-            connective: TypeConnective::Atom(AtomPayload::TypeParam("bits".to_string())),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            value_body: None,
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-            connective: TypeConnective::Instantiation {
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-                arguments: vec![TemplateArgument {
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-                    TemplateArgument {
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-            phantom_params: Vec::new(),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2549, 2590),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2591, 2634),
-        });
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-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
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-                        value: DeclarationId(87),
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-                    TemplateArgument {
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-                        value: DeclarationId(480),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2635, 2678),
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-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
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-                    TemplateArgument {
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2679, 2722),
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-                template: DeclarationId(73),
-                arguments: vec![
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-                    TemplateArgument {
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2723, 2768),
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-                template: DeclarationId(73),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2834, 2877),
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-                template: DeclarationId(73),
-                arguments: vec![
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-                    TemplateArgument {
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-            value_body: None,
-            refinement: None,
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-                arguments: vec![
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-                    TemplateArgument {
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-            phantom_params: Vec::new(),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2924, 2969),
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-                    TemplateArgument {
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-                    TemplateArgument {
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 3016, 3063),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 5921, 5966),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 5967, 5982),
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-        declarations.push(Declaration {
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-            name: Some("IntPlatform".to_string()),
-            connective: TypeConnective::Instantiation {
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-                arguments: vec![
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 7619, 7680),
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-        declarations.push(Declaration {
-            id: DeclarationId(90),
-            name: Some("UIntPlatform".to_string()),
-            connective: TypeConnective::Instantiation {
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-                arguments: vec![
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 7681, 7742),
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-        declarations.push(Declaration {
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-            name: Some("NonNegativeInt".to_string()),
-            connective: TypeConnective::Instantiation {
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-                arguments: vec![],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            refinement: None,
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-            type_params: vec![],
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-            meta_tag: None,
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-            inhabits: None,
-            value_body: None,
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-            span: SourceSpan::new("dsl/std/integer.dag", 9210, 9249),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(93),
-            name: Some("Rational".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(39),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(40),
-                    value: DeclarationId(499),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/rational.dag", 1245, 1289),
-        });
-        declarations.push(Declaration {
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-            name: Some("RoundingMode".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ToNearestEven".to_string(),
-                        ty: DeclarationId(500),
-                    },
-                    Field {
-                        label: "ToZero".to_string(),
-                        ty: DeclarationId(501),
-                    },
-                    Field {
-                        label: "ToPositiveInfinity".to_string(),
-                        ty: DeclarationId(502),
-                    },
-                    Field {
-                        label: "ToNegativeInfinity".to_string(),
-                        ty: DeclarationId(503),
-                    },
-                    Field {
-                        label: "ToAwayFromZero".to_string(),
-                        ty: DeclarationId(504),
-                    },
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-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1030, 1141),
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-        declarations.push(Declaration {
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-            name: Some("Precision".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(505),
-                    },
-                    Field {
-                        label: "BinaryPrecision".to_string(),
-                        ty: DeclarationId(506),
-                    },
-                    Field {
-                        label: "DecimalPrecision".to_string(),
-                        ty: DeclarationId(507),
-                    },
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-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1404, 1589),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(96),
-            name: Some("NanPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoNaN".to_string(),
-                        ty: DeclarationId(508),
-                    },
-                    Field {
-                        label: "QuietNaN".to_string(),
-                        ty: DeclarationId(509),
-                    },
-                    Field {
-                        label: "QuietAndSignalingNaN".to_string(),
-                        ty: DeclarationId(510),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1812, 1868),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(97),
-            name: Some("InfinityPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoInfinity".to_string(),
-                        ty: DeclarationId(511),
-                    },
-                    Field {
-                        label: "SignedInfinity".to_string(),
-                        ty: DeclarationId(512),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2096, 2145),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(98),
-            name: Some("SignedZeroPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoSignedZero".to_string(),
-                        ty: DeclarationId(513),
-                    },
-                    Field {
-                        label: "SignedZero".to_string(),
-                        ty: DeclarationId(514),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2376, 2425),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(99),
-            name: Some("SubnormalPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoSubnormals".to_string(),
-                        ty: DeclarationId(515),
-                    },
-                    Field {
-                        label: "GradualUnderflow".to_string(),
-                        ty: DeclarationId(516),
-                    },
-                    Field {
-                        label: "FlushToZero".to_string(),
-                        ty: DeclarationId(517),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2720, 2788),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(100),
-            name: Some("SpecialValues".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "nan".to_string(),
-                        ty: DeclarationId(96),
-                    },
-                    Field {
-                        label: "infinity".to_string(),
-                        ty: DeclarationId(97),
-                    },
-                    Field {
-                        label: "signed_zero".to_string(),
-                        ty: DeclarationId(98),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3064, 3162),
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-        declarations.push(Declaration {
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-            name: Some("ApproximateField".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "base".to_string(),
-                        ty: DeclarationId(518),
-                    },
-                    Field {
-                        label: "rounding".to_string(),
-                        ty: DeclarationId(94),
-                    },
-                    Field {
-                        label: "precision".to_string(),
-                        ty: DeclarationId(95),
-                    },
-                    Field {
-                        label: "special_values".to_string(),
-                        ty: DeclarationId(100),
-                    },
-                    Field {
-                        label: "subnormal_policy".to_string(),
-                        ty: DeclarationId(99),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(102)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3398, 3559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(102),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("F".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3398, 3559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(103),
-            name: Some("Ieee754Float".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1255, 1272),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(104),
-            name: Some("Real".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(101),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(102),
-                    value: DeclarationId(519),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1453, 1504),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(105),
-            name: Some("Real32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(104),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(521),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1726, 1771),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(106),
-            name: Some("Real64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(104),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(523),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1772, 1817),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(107),
-            name: Some("Float32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(105),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1819, 1840),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(108),
-            name: Some("Float64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(106),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1841, 1862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(109),
-            name: Some("Float".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(108),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1881, 1901),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(110),
-            name: Some("kernel_type_set".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(639)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "String".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Int".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Bool".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Float".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Secret".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Json".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Unit".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Bytes".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3041, 3206),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(111),
-            name: Some("is_kernel_type".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3248, 3349)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3208, 3349),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(112),
-            name: Some("container_type_arity".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(87),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(640)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("2".to_string())),
-                    ),
-                    (
-                        "Witness".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3511, 3606),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(113),
-            name: Some("is_container_type".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3651, 3758)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3608, 3758),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(114),
-            name: Some("container_expected_arity".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(524),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3810, 3851)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3760, 3851),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(115),
-            name: Some("container_param_names_for".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(525),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4091, 4296)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4027, 4296),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(116),
-            name: Some("container_param_name".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(526),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4364, 4612)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4298, 4612),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(117),
-            name: Some("ordered_element_collections".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(641)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![(
-                    "List".to_string(),
-                    FieldValue::Literal(LiteralBits::Bool(true)),
-                )])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4806, 4878),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(118),
-            name: Some("is_ordered_element_collection".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4935, 4992)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4880, 4992),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(119),
-            name: Some("container_template_algebra_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(642)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "list".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "FreeMonoid".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "free_monoid".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "BooleanAlgebra".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "boolean_algebra".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "PartialFunction".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "partial_function".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 5784, 6223),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(120),
-            name: Some("container_template_alias_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(643)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "list".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 6389, 6607),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(121),
-            name: Some("container_template_algebra".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(527),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 6664, 6716)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 6609, 6716),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(122),
-            name: Some("container_template_alias_algebra".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(528),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 6779, 6829)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 6718, 6829),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(123),
-            name: Some("canonical_container_names".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(529),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 7242, 7332)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 7195, 7332),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(124),
-            name: Some("Bool".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "True".to_string(),
-                        ty: DeclarationId(530),
-                    },
-                    Field {
-                        label: "False".to_string(),
-                        ty: DeclarationId(531),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: Some(DeclarationId(532)),
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8306, 8330),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(125),
-            name: Some("Unit".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8398, 8407),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(126),
-            name: Some("Json".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8524, 8533),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(127),
-            name: Some("Bytes".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8534, 8544),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(128),
-            name: Some("Char".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(87))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(644)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 9172, 9223),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(129),
-            name: Some("List".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(47),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(48),
-                    value: DeclarationId(130),
-                }],
-            },
-            type_params: vec![DeclarationId(130)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 9987, 10027),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(130),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("element".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 9987, 10027),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(131),
-            name: Some("Set".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(45),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(46),
-                    value: DeclarationId(132),
-                }],
-            },
-            type_params: vec![DeclarationId(132)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 10028, 10071),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(132),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("element".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 10028, 10071),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(133),
-            name: Some("Map".to_string()),
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-            meta_tag: None,
-            specialization_parent: None,
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-            refinement: None,
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-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-                        ty: DeclarationId(87),
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-                        ty: DeclarationId(230),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("zero_width_blocks".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
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-                    value: DeclarationId(232),
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-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(685)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
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-                        FieldValue::Literal(LiteralBits::String(
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-                            payload: vec![],
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-                            payload: vec![],
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-                            payload: vec![],
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Marks for Symbols".to_string(),
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-                    (
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-                        FieldValue::Literal(LiteralBits::Int("8400".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("8447".to_string())),
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-                    (
-                        "default_width".to_string(),
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-                            constructor: DeclarationId(682),
-                            payload: vec![],
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-                        FieldValue::Literal(LiteralBits::String("Variation Selectors".to_string())),
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65024".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65039".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Half Marks".to_string(),
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-                    (
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-                        FieldValue::Literal(LiteralBits::Int("65056".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65071".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
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-                    ),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5859, 6608),
-        });
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-            name: Some("zero_width_codepoints".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(87),
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
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-            refinement: None,
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-                    value: DeclarationId(232),
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-                    (
-                        "default_width".to_string(),
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-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("11904".to_string())),
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-                    (
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-                        FieldValue::Literal(LiteralBits::Int("12350".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("12353".to_string())),
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-                    (
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-                        FieldValue::Literal(LiteralBits::Int("13247".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
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-                FieldValue::Record(vec![
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension A".to_string())),
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("13312".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("19903".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
-                ]),
-                FieldValue::Record(vec![
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("19968".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("40959".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Yi Syllables and Radicals".to_string(),
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-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("40960".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("42191".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Hangul Syllables".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("44032".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("55215".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Compatibility Ideographs".to_string(),
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("63744".to_string())),
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-                    (
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-                        FieldValue::Literal(LiteralBits::Int("64255".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                FieldValue::Record(vec![
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65072".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65135".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                        FieldValue::Literal(LiteralBits::String("Fullwidth ASCII".to_string())),
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65281".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65376".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Fullwidth Signs".to_string())),
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65504".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65510".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
-                ]),
-                FieldValue::Record(vec![
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension B+".to_string())),
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("131072".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("196607".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
-                ]),
-                FieldValue::Record(vec![
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension G+".to_string())),
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-                    (
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-                        FieldValue::Literal(LiteralBits::Int("196608".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("262143".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("9728".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("10175".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
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-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Symbols / Pictographs / Emoticons".to_string(),
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-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("127744".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("129535".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
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-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Symbols Extended".to_string())),
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-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("129536".to_string())),
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-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("131071".to_string())),
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-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
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-                    ),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 6934, 8723),
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-        declarations.push(Declaration {
-            id: DeclarationId(236),
-            name: Some("code_point".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(87),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(253))),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 8873, 8910),
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-        declarations.push(Declaration {
-            id: DeclarationId(237),
-            name: Some("in_block".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(87), DeclarationId(232)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 8962, 9014)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 8912, 9014),
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-        declarations.push(Declaration {
-            id: DeclarationId(238),
-            name: Some("char_display_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(230),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9063, 9366)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9016, 9366),
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-        declarations.push(Declaration {
-            id: DeclarationId(239),
-            name: Some("char_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9398, 9454)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9368, 9454),
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-        declarations.push(Declaration {
-            id: DeclarationId(240),
-            name: Some("string_display_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9498, 9636)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9456, 9636),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(241),
-            name: Some("repeat_string_loop".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(227),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "dsl/std/render_repeat_string_bootstrap.dag",
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-                    717,
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/render_repeat_string_bootstrap.dag", 526, 717),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(242),
-            name: Some("repeat_string".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(227),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "dsl/std/render_repeat_string_bootstrap.dag",
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-                        ty: DeclarationId(1902),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            connective: TypeConnective::Disj {
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-                    label: "ClassifierAnchorResolutionFailed".to_string(),
-                    ty: DeclarationId(1904),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 15941, 16010),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(755),
-            name: Some("EffectClassificationResult".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "EffectClassified".to_string(),
-                        ty: DeclarationId(1905),
-                    },
-                    Field {
-                        label: "EffectClassificationFailed".to_string(),
-                        ty: DeclarationId(1906),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 16012, 16159),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(756),
-            name: Some("KeySource".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "PathParam".to_string(),
-                        ty: DeclarationId(1907),
-                    },
-                    Field {
-                        label: "InputField".to_string(),
-                        ty: DeclarationId(1908),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 16790, 16869),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(757),
-            name: Some("IdempotencyEvidence".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LatticeEffect".to_string(),
-                        ty: DeclarationId(1909),
-                    },
-                    Field {
-                        label: "IdentityEffect".to_string(),
-                        ty: DeclarationId(1910),
-                    },
-                    Field {
-                        label: "NonIdempotent".to_string(),
-                        ty: DeclarationId(1911),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 17517, 17615),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(758),
-            name: Some("is_idempotent_effect".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(752)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 17842, 17914)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 17790, 17914),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(759),
-            name: Some("derive_idempotency_evidence".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(752)],
-                output: DeclarationId(757),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 18127, 18647)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 18053, 18647),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(760),
-            name: Some("CompositionVerdict".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "IdempotentComposition".to_string(),
-                        ty: DeclarationId(1912),
-                    },
-                    Field {
-                        label: "BrokenBy".to_string(),
-                        ty: DeclarationId(1914),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 19999, 20102),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(761),
-            name: Some("operation_is_breaking".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(966)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(256))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 20238, 20344),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(762),
-            name: Some("effect_shape_is_breaking".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(752)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(260))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 20346, 20472),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(763),
-            name: Some("operation_effect_shape".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(966)],
-                output: DeclarationId(752),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 20530, 22460)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 20474, 22460),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(764),
-            name: Some("classify_operation_effect".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(966)],
-                output: DeclarationId(755),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 22536, 22596)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 22462, 22596),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(765),
-            name: Some("transport_effect_shape".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(966)],
-                output: DeclarationId(752),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 22654, 23710)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 22598, 23710),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(766),
-            name: Some("method_is_read".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(195)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(269))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 23712, 23907),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(767),
-            name: Some("method_is_upsert".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(195)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(278))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 23909, 24107),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(768),
-            name: Some("method_is_post".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(195)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(287))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 24109, 24306),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(769),
-            name: Some("method_is_delete".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(195)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(296))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 24308, 24507),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(770),
-            name: Some("operation_resource_key".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(966)],
-                output: DeclarationId(1876),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 24561, 24752)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 24509, 24752),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(771),
-            name: Some("breaker_ref".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(87)],
-                output: DeclarationId(1877),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 24806, 24828)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 24754, 24828),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(772),
-            name: Some("indexed_breaker_ref".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1878)],
-                output: DeclarationId(1880),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 24910, 25003)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 24830, 25003),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(773),
-            name: Some("first_breaker_ref".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1881)],
-                output: DeclarationId(1883),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 25078, 25261)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 25005, 25261),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(774),
-            name: Some("compose_effects".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1884)],
-                output: DeclarationId(760),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 26139, 26262)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 26072, 26262),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(775),
-            name: Some("BoolPortRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "port".to_string(),
-                    ty: DeclarationId(736),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 27463, 27498),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(776),
-            name: Some("BranchArm".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "condition".to_string(),
-                        ty: DeclarationId(775),
-                    },
-                    Field {
-                        label: "body".to_string(),
-                        ty: DeclarationId(777),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 27583, 27649),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(777),
-            name: Some("WorkflowEffect".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LinearEffect".to_string(),
-                        ty: DeclarationId(1916),
-                    },
-                    Field {
-                        label: "BranchEffect".to_string(),
-                        ty: DeclarationId(1918),
-                    },
-                    Field {
-                        label: "LoopEffect".to_string(),
-                        ty: DeclarationId(1919),
-                    },
-                    Field {
-                        label: "ParallelEffect".to_string(),
-                        ty: DeclarationId(1921),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 28325, 28547),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(778),
-            name: Some("IdempotencyUnsupportedDetail".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "variant_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "downstream_stage".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "reason".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 28906, 29010),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(779),
-            name: Some("WorkflowIdempotencyReport".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "WorkflowCompositionVerdict".to_string(),
-                        ty: DeclarationId(1922),
-                    },
-                    Field {
-                        label: "IdempotencyUnsupported".to_string(),
-                        ty: DeclarationId(1923),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29149, 29287),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(780),
-            name: Some("report_unsupported_workflow_variant".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(227), DeclarationId(227)],
-                output: DeclarationId(779),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 29429, 29585)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29289, 29585),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(781),
-            name: Some("ParallelismUnsupportedKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoWorkflowProjection".to_string(),
-                        ty: DeclarationId(1924),
-                    },
-                    Field {
-                        label: "NotParallelEffectRoot".to_string(),
-                        ty: DeclarationId(1925),
-                    },
-                    Field {
-                        label: "NonLinearParallelBranch".to_string(),
-                        ty: DeclarationId(1926),
-                    },
-                    Field {
-                        label: "PairwiseNonCommute".to_string(),
-                        ty: DeclarationId(1927),
-                    },
-                    Field {
-                        label: "EffectClassificationUnavailable".to_string(),
-                        ty: DeclarationId(1928),
-                    },
-                    Field {
-                        label: "LensSurfacePending".to_string(),
-                        ty: DeclarationId(1929),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29748, 29978),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(782),
-            name: Some("ParallelismUnsupportedDetail".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(781),
-                    },
-                    Field {
-                        label: "downstream_stage".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "reason".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29980, 30096),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(783),
-            name: Some("WorkflowParallelismReport".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ParallelCompositionVerdict".to_string(),
-                        ty: DeclarationId(1930),
-                    },
-                    Field {
-                        label: "ParallelismUnsupported".to_string(),
-                        ty: DeclarationId(1931),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 30260, 30398),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(784),
-            name: Some("report_parallelism_unsupported".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(781), DeclarationId(227)],
-                output: DeclarationId(783),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 30519, 30674)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 30400, 30674),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(785),
-            name: Some("lane2_workflow_idempotency_report".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(777)],
-                output: DeclarationId(779),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 31148, 31978)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 31054, 31978),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(786),
-            name: Some("IdempotencyTestObligation".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "callable".to_string(),
-                        ty: DeclarationId(965),
-                    },
-                    Field {
-                        label: "effect_shape".to_string(),
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-                    Field {
-                        label: "claim".to_string(),
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-                    },
-                    Field {
-                        label: "witness_required".to_string(),
-                        ty: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 32735, 32862),
-        });
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-            id: DeclarationId(787),
-            name: Some("generate_idempotency_obligations".to_string()),
-            connective: TypeConnective::Arrow {
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-                output: DeclarationId(1886),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 32961, 33255)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 32864, 33255),
-        });
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-            id: DeclarationId(788),
-            name: Some("WorkflowEffectConcern".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "workflow_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "create_op".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "reason".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 33572, 33663),
-        });
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-            id: DeclarationId(789),
-            name: Some("TypeShape".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "declaration".to_string(),
-                    ty: DeclarationId(737),
-                }],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 270, 317),
-        });
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-            id: DeclarationId(790),
-            name: Some("SourceByteSpan".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "byte_start".to_string(),
-                        ty: DeclarationId(87),
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-                    Field {
-                        label: "byte_end".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 535, 592),
-        });
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-            id: DeclarationId(791),
-            name: Some("PortState".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
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-                        label: "Uninferred".to_string(),
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-                    Field {
-                        label: "Resolved".to_string(),
-                        ty: DeclarationId(1941),
-                    },
-                    Field {
-                        label: "Unresolved".to_string(),
-                        ty: DeclarationId(1942),
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-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 735, 803),
-        });
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-            id: DeclarationId(792),
-            name: Some("DagPort".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "id".to_string(),
-                        ty: DeclarationId(736),
-                    },
-                    Field {
-                        label: "state".to_string(),
-                        ty: DeclarationId(791),
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-                    Field {
-                        label: "produced_by".to_string(),
-                        ty: DeclarationId(1943),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 805, 876),
-        });
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-            id: DeclarationId(793),
-            name: Some("LiteralBits".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LitInt".to_string(),
-                        ty: DeclarationId(1944),
-                    },
-                    Field {
-                        label: "LitBool".to_string(),
-                        ty: DeclarationId(1945),
-                    },
-                    Field {
-                        label: "LitString".to_string(),
-                        ty: DeclarationId(1946),
-                    },
-                    Field {
-                        label: "LitSymbol".to_string(),
-                        ty: DeclarationId(1947),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 1358, 1543),
-        });
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-            id: DeclarationId(794),
-            name: Some("AtomPayload".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Literal".to_string(),
-                        ty: DeclarationId(1948),
-                    },
-                    Field {
-                        label: "UnresolvedIdentifier".to_string(),
-                        ty: DeclarationId(1949),
-                    },
-                    Field {
-                        label: "ResolvedByStructure".to_string(),
-                        ty: DeclarationId(1950),
-                    },
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-                        label: "ResolvedByName".to_string(),
-                        ty: DeclarationId(1951),
-                    },
-                    Field {
-                        label: "TypeParam".to_string(),
-                        ty: DeclarationId(1952),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 3655, 3824),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(795),
-            name: Some("PositiveIntervalWidth".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "OneUnit".to_string(),
-                        ty: DeclarationId(1953),
-                    },
-                    Field {
-                        label: "AdditionalUnit".to_string(),
-                        ty: DeclarationId(1954),
-                    },
-                    Field {
-                        label: "UnitCount".to_string(),
-                        ty: DeclarationId(1955),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 4417, 6098),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(796),
-            name: Some("IntervalWidth".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ZeroWidth".to_string(),
-                        ty: DeclarationId(1956),
-                    },
-                    Field {
-                        label: "PositiveWidth".to_string(),
-                        ty: DeclarationId(1957),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6100, 6173),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(797),
-            name: Some("Interval".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "BoundedInterval".to_string(),
-                        ty: DeclarationId(1958),
-                    },
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(1959),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(798)],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6464, 6549),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(798),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("D".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6464, 6549),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(799),
-            name: Some("IntInterval".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(797),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(798),
-                    value: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6699, 6731),
-        });
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-            id: DeclarationId(800),
-            name: Some("BoundDeclaration".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "StaticBound".to_string(),
-                        ty: DeclarationId(1961),
-                    },
-                    Field {
-                        label: "PlatformDependent".to_string(),
-                        ty: DeclarationId(1962),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7087, 7161),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(801),
-            name: Some("CardinalityBound".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Exact".to_string(),
-                        ty: DeclarationId(1963),
-                    },
-                    Field {
-                        label: "AtMostOne".to_string(),
-                        ty: DeclarationId(1964),
-                    },
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(1965),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7386, 7450),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(802),
-            name: Some("ConjField".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "label".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "ty".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7452, 7506),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(803),
-            name: Some("TemplateArgument".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "parameter".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7508, 7583),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(804),
-            name: Some("FieldEntry".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "label".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(805),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7585, 7640),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(805),
-            name: Some("FieldValue".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Literal".to_string(),
-                        ty: DeclarationId(1966),
-                    },
-                    Field {
-                        label: "Reference".to_string(),
-                        ty: DeclarationId(1967),
-                    },
-                    Field {
-                        label: "Record".to_string(),
-                        ty: DeclarationId(1969),
-                    },
-                    Field {
-                        label: "List".to_string(),
-                        ty: DeclarationId(1971),
-                    },
-                    Field {
-                        label: "Map".to_string(),
-                        ty: DeclarationId(1973),
-                    },
-                    Field {
-                        label: "Variant".to_string(),
-                        ty: DeclarationId(1975),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7857, 8093),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(806),
-            name: Some("ValueBody".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ValueBodyUnparsed".to_string(),
-                        ty: DeclarationId(1976),
-                    },
-                    Field {
-                        label: "ValueBodyStructural".to_string(),
-                        ty: DeclarationId(1978),
-                    },
-                    Field {
-                        label: "ValueBodyScalar".to_string(),
-                        ty: DeclarationId(1979),
-                    },
-                    Field {
-                        label: "ValueBodyList".to_string(),
-                        ty: DeclarationId(1981),
-                    },
-                    Field {
-                        label: "ValueBodyMap".to_string(),
-                        ty: DeclarationId(1983),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 9687, 9892),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(807),
-            name: Some("BindNodeId".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "node".to_string(),
-                    ty: DeclarationId(735),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 10796, 10830),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(808),
-            name: Some("ArrowBody".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "UserDefined".to_string(),
-                        ty: DeclarationId(1984),
-                    },
-                    Field {
-                        label: "ExternalRealization".to_string(),
-                        ty: DeclarationId(1985),
-                    },
-                    Field {
-                        label: "Pending".to_string(),
-                        ty: DeclarationId(1986),
-                    },
-                    Field {
-                        label: "NoBody".to_string(),
-                        ty: DeclarationId(1987),
-                    },
-                    Field {
-                        label: "Unparsed".to_string(),
-                        ty: DeclarationId(1988),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 11127, 11256),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(809),
-            name: Some("TypeConnective".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Atom".to_string(),
-                        ty: DeclarationId(1989),
-                    },
-                    Field {
-                        label: "Conj".to_string(),
-                        ty: DeclarationId(1991),
-                    },
-                    Field {
-                        label: "Disj".to_string(),
-                        ty: DeclarationId(1993),
-                    },
-                    Field {
-                        label: "Arrow".to_string(),
-                        ty: DeclarationId(1995),
-                    },
-                    Field {
-                        label: "Cardinality".to_string(),
-                        ty: DeclarationId(1996),
-                    },
-                    Field {
-                        label: "Instantiation".to_string(),
-                        ty: DeclarationId(1998),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 11461, 11861),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(810),
-            name: Some("Declaration".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "id".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(1999),
-                    },
-                    Field {
-                        label: "connective".to_string(),
-                        ty: DeclarationId(809),
-                    },
-                    Field {
-                        label: "type_params".to_string(),
-                        ty: DeclarationId(2000),
-                    },
-                    Field {
-                        label: "phantom_params".to_string(),
-                        ty: DeclarationId(2001),
-                    },
-                    Field {
-                        label: "meta_tag".to_string(),
-                        ty: DeclarationId(2002),
-                    },
-                    Field {
-                        label: "inhabits".to_string(),
-                        ty: DeclarationId(2003),
-                    },
-                    Field {
-                        label: "value_body".to_string(),
-                        ty: DeclarationId(2004),
-                    },
-                    Field {
-                        label: "nominal_opacity".to_string(),
-                        ty: DeclarationId(2005),
-                    },
-                    Field {
-                        label: "span".to_string(),
-                        ty: DeclarationId(155),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 11863, 12157),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(811),
-            name: Some("PhantomParameter".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "parameter".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "algebra".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 12630, 12707),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(812),
-            name: Some("NominalOpacity".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "permitted_accessors".to_string(),
-                    ty: DeclarationId(2006),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 13214, 13280),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(813),
-            name: Some("ArithmeticOp".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Add".to_string(),
-                        ty: DeclarationId(2007),
-                    },
-                    Field {
-                        label: "Sub".to_string(),
-                        ty: DeclarationId(2008),
-                    },
-                    Field {
-                        label: "Mul".to_string(),
-                        ty: DeclarationId(2009),
-                    },
-                    Field {
-                        label: "Div".to_string(),
-                        ty: DeclarationId(2010),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/anthropic_schema.dag", 10201, 10273),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(870),
-            name: Some("AnthropicMessages200Usage".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
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-                        ty: DeclarationId(87),
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-                        ty: DeclarationId(87),
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-                        ty: DeclarationId(2122),
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-                        ty: DeclarationId(2123),
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-                        ty: DeclarationId(2124),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/anthropic_schema.dag", 10389, 10629),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(871),
-            name: Some("AnthropicMessages200Role".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "Assistant".to_string(),
-                    ty: DeclarationId(2125),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/anthropic_schema.dag", 10950, 10993),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(872),
-            name: Some("AnthropicMessages200Body".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
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-                        ty: DeclarationId(227),
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-                        ty: DeclarationId(227),
-                    },
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-                        ty: DeclarationId(871),
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-                        ty: DeclarationId(2126),
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-                        label: "model".to_string(),
-                        ty: DeclarationId(227),
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-                        ty: DeclarationId(865),
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-                    Field {
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-                        ty: DeclarationId(2127),
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-                    Field {
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-                        ty: DeclarationId(870),
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-                        label: "container".to_string(),
-                        ty: DeclarationId(2128),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/anthropic_schema.dag", 11340, 11671),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(873),
-            name: Some("anthropic_messages".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![
-                    DeclarationId(143),
-                    DeclarationId(227),
-                    DeclarationId(2129),
-                    DeclarationId(87),
-                    DeclarationId(2130),
-                    DeclarationId(2131),
-                ],
-                output: DeclarationId(872),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/anthropic_messages.dag",
-                    4627,
-                    4656,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/anthropic_messages.dag", 4419, 4656),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(874),
-            name: Some("BinShim".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "entrypoint_name".to_string(),
-                        ty: DeclarationId(147),
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-                    Field {
-                        label: "description".to_string(),
-                        ty: DeclarationId(227),
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-                    Field {
-                        label: "entry".to_string(),
-                        ty: DeclarationId(1353),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bin_shim.dag", 801, 894),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(875),
-            name: Some("BootstrapAuthority".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "StdAuthority".to_string(),
-                        ty: DeclarationId(2132),
-                    },
-                    Field {
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-                        ty: DeclarationId(2133),
-                    },
-                    Field {
-                        label: "V3SpecAuthority".to_string(),
-                        ty: DeclarationId(2134),
-                    },
-                    Field {
-                        label: "CompilerAuthority".to_string(),
-                        ty: DeclarationId(2135),
-                    },
-                    Field {
-                        label: "ExtdepsFixtureAuthority".to_string(),
-                        ty: DeclarationId(2136),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bootstrap_authority.dag", 985, 1114),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(876),
-            name: Some("BootstrapAuthoritySet".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
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-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(875),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bootstrap_authority.dag", 1299, 1359),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(877),
-            name: Some("bootstrap_authority".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(876),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(876)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "dsl/std/logic.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
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-                    ),
-                    (
-                        "dsl/std/bit.dag".to_string(),
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-                            constructor: DeclarationId(2132),
-                            payload: vec![],
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-                    (
-                        "dsl/std/error_primitives.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
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-                    (
-                        "dsl/std/algebra.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
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-                    (
-                        "dsl/std/magnitude.dag".to_string(),
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-                            constructor: DeclarationId(2132),
-                            payload: vec![],
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-                    ),
-                    (
-                        "dsl/std/machine_constraints.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/nat.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/integer.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/rational.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/float.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/types.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/string_type.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/unicode.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/render_repeat_string_bootstrap.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/methods.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/std/serialization.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2132),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/algebra.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/anthropic_messages.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/anthropic_operations.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/anthropic_schema.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/approximate_field.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/bin_shim.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/bootstrap_authority.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/bridge_ledger.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/clean_emission.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/computation.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/computation_model.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/coproduct_projection.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/cross_target_coverage.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/diagnostics.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/dimensions.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/effects.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/emission_provenance.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/emit_model.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/extdeps_bootstrap_fixtures.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/go_method_template_contracts.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/induction.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/integer_diagnostic_order.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/lens.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/lens_application.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/list.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/lookup.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/methods.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/parse_surface.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/python_method_template_contracts.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/resources.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/runtime.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/rust_method_template_contracts.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/services.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/substrate.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/substrate_minimal.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/termination.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/timing_lens.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/t_ci_workflow_as_data_demo.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/tokenize.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/verification.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/workflows.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2133),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/v3_l1.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2134),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/go.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2134),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/python.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2134),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/rust.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2134),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/compiler/pipeline.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2135),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/compiler/operators.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2135),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/compiler/regen.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2135),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/languages/rust/primitives.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2136),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/cron/schedule_model.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2136),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/github/github.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2136),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/github/actions.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2136),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/github/ci.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2136),
-                            payload: vec![],
-                        },
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bootstrap_authority.dag", 1361, 4934),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(878),
-            name: Some("BridgeStatus".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Retired".to_string(),
-                        ty: DeclarationId(2137),
-                    },
-                    Field {
-                        label: "Open".to_string(),
-                        ty: DeclarationId(2138),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 4987, 5025),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(879),
-            name: Some("BridgeLedgerRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "decl".to_string(),
-                    ty: DeclarationId(1353),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 5989, 6036),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(880),
-            name: Some("BridgeLedgerRow".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "owner".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "status".to_string(),
-                        ty: DeclarationId(878),
-                    },
-                    Field {
-                        label: "authority".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 6679, 6789),
-        });
-        declarations.push(Declaration { id: DeclarationId(881), name: Some("bridge_ledger".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(699), arguments: vec![TemplateArgument { parameter: DeclarationId(700), value: DeclarationId(880) }] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(2139)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::List(vec![FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_source_span_file_participation_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("R3".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(2138), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("ROADMAP.md#lens-fold-file-path-semantics".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_mark_bootstrap_secret_nominal_opacity_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("R2-Substrate".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(2137), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("PR #937".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_canonical_lens_name_dispatch_pr1183_slice_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("R2-Substrate".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(2137), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("src/v3/compiler/tests/integration/canonical_lens_bridge_ratchet_test.rs".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_canonical_lens_name_patching_residual".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("PB-Runtime".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(2137), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("docs/briefs/r3-pb-bridge-canonical-lens-name-dispatch-closure.md".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_include_str_side_channels_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("pipeline_authority".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(2137), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("src/v3/compiler/tests/integration/l1_5_fixed_point_test.rs".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_exact_string_patching_residual_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("PB-Tier-2".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(2137), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("src/v3/compiler/tests/integration/bridge_lower_helpers_patch_zero_residual_test.rs".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_exact_string_semantic_patching_residual".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("PB-Runtime".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(2138), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("docs/briefs/r3-v-bridge-row-4-exact-string-deeper-detail-receipt.md".to_string())))])])), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 7253, 8706) });
-        declarations.push(Declaration {
-            id: DeclarationId(882),
-            name: Some("Mutability".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Immutable".to_string(),
-                        ty: DeclarationId(2140),
-                    },
-                    Field {
-                        label: "Mutable".to_string(),
-                        ty: DeclarationId(2141),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 340, 381),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(883),
-            name: Some("Purity".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Pure".to_string(),
-                        ty: DeclarationId(2142),
-                    },
-                    Field {
-                        label: "Effectful".to_string(),
-                        ty: DeclarationId(2143),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 598, 632),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(884),
-            name: Some("Structure".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ExplicitDAG".to_string(),
-                        ty: DeclarationId(2144),
-                    },
-                    Field {
-                        label: "Arbitrary".to_string(),
-                        ty: DeclarationId(2145),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 891, 935),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(885),
-            name: Some("Iteration".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Bounded".to_string(),
-                        ty: DeclarationId(2146),
-                    },
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(2147),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 1147, 1187),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(886),
-            name: Some("ComputationModel".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "mutability".to_string(),
-                        ty: DeclarationId(882),
-                    },
-                    Field {
-                        label: "purity".to_string(),
-                        ty: DeclarationId(883),
-                    },
-                    Field {
-                        label: "structure".to_string(),
-                        ty: DeclarationId(884),
-                    },
-                    Field {
-                        label: "iteration".to_string(),
-                        ty: DeclarationId(885),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 1387, 1500),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(887),
-            name: Some("dag_model".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(886),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(886)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "mutability".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2140),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "purity".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2142),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "structure".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2144),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "iteration".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2146),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 1502, 1625),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(888),
-            name: Some("MemoryModel".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ValueOnly".to_string(),
-                        ty: DeclarationId(2148),
-                    },
-                    Field {
-                        label: "GarbageCollected".to_string(),
-                        ty: DeclarationId(2149),
-                    },
-                    Field {
-                        label: "RefCounted".to_string(),
-                        ty: DeclarationId(2150),
-                    },
-                    Field {
-                        label: "OwnershipBased".to_string(),
-                        ty: DeclarationId(2151),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2014, 2099),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(889),
-            name: Some("ScopeModel".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LexicalScoping".to_string(),
-                        ty: DeclarationId(2152),
-                    },
-                    Field {
-                        label: "DynamicScoping".to_string(),
-                        ty: DeclarationId(2153),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2365, 2418),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(890),
-            name: Some("TargetExecutionModel".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "memory".to_string(),
-                        ty: DeclarationId(888),
-                    },
-                    Field {
-                        label: "scope".to_string(),
-                        ty: DeclarationId(889),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2561, 2632),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(891),
-            name: Some("SourceFiltering".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "excluded_prefixes".to_string(),
-                    ty: DeclarationId(2154),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2774, 2832),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(892),
-            name: Some("ShapeATargetSourceFiltering".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "internal".to_string(),
-                        ty: DeclarationId(891),
-                    },
-                    Field {
-                        label: "additional_excluded_prefixes".to_string(),
-                        ty: DeclarationId(2155),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 3115, 3224),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(893),
-            name: Some("internal_source_filtering".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(891),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(891)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "excluded_prefixes".to_string(),
-                    FieldValue::List(vec![
-                        FieldValue::Literal(LiteralBits::String("dsl/std/".to_string())),
-                        FieldValue::Literal(LiteralBits::String("dsl/extdeps/".to_string())),
-                        FieldValue::Literal(LiteralBits::String("src/v3/std/".to_string())),
-                        FieldValue::Literal(LiteralBits::String("src/v3/spec/".to_string())),
-                    ]),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 3226, 3381),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(894),
-            name: Some("ExecutionModelRequirement".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "OwnershipBased".to_string(),
-                        ty: DeclarationId(2156),
-                    },
-                    Field {
-                        label: "GarbageCollected".to_string(),
-                        ty: DeclarationId(2157),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 3659, 3729),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(895),
-            name: Some("VariantId".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/coproduct_projection.dag", 5139, 5162),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(896),
-            name: Some("WireTagValue".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "StringTag".to_string(),
-                    ty: DeclarationId(2158),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/coproduct_projection.dag", 6737, 6786),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(897),
-            name: Some("FieldProjection".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Empty".to_string(),
-                        ty: DeclarationId(2159),
-                    },
-                    Field {
-                        label: "Populated".to_string(),
-                        ty: DeclarationId(2160),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/coproduct_projection.dag", 7586, 7630),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(898),
-            name: Some("CoproductVariantProjection".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "field_projection".to_string(),
-                        ty: DeclarationId(897),
-                    },
-                    Field {
-                        label: "wire_tag_value".to_string(),
-                        ty: DeclarationId(896),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/coproduct_projection.dag", 8046, 8150),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(899),
-            name: Some("CoproductProjection".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "declaration".to_string(),
-                        ty: DeclarationId(1353),
-                    },
-                    Field {
-                        label: "wire_tag_field".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "variant_projections".to_string(),
-                        ty: DeclarationId(2161),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/coproduct_projection.dag", 9395, 9557),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(900),
-            name: Some("BootstrapFixture".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "virtual_path".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/extdeps_bootstrap_fixtures.dag", 1395, 1443),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(901),
-            name: Some("BootstrapFixtureSet".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "rust_grounding_primitives".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "rust_method_template_contracts".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "python_method_template_contracts".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "go_method_template_contracts".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "anthropic_operations".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "cross_target_coverage".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_cron".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_github_github".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_github_actions".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_github_ci".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/extdeps_bootstrap_fixtures.dag", 1600, 2066),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(902),
-            name: Some("bootstrap_fixture_authority".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(901),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(901)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "rust_grounding_primitives".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "dsl/extdeps/languages/rust/primitives.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "rust_method_template_contracts".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "src/v3/std/rust_method_template_contracts.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "python_method_template_contracts".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "src/v3/std/python_method_template_contracts.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "go_method_template_contracts".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "src/v3/std/go_method_template_contracts.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "anthropic_operations".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "src/v3/std/anthropic_operations.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "cross_target_coverage".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "src/v3/std/cross_target_coverage.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "extdeps_cron".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "dsl/extdeps/cron/schedule_model.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "extdeps_github_github".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "dsl/extdeps/github/github.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "extdeps_github_actions".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "dsl/extdeps/github/actions.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                    (
-                        "extdeps_github_ci".to_string(),
-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "dsl/extdeps/github/ci.dag".to_string(),
-                            )),
-                        )]),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/extdeps_bootstrap_fixtures.dag", 2068, 3040),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(903),
-            name: Some("signed_int_diagnostic_order".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1353),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2162)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Reference(DeclarationId(77)),
-                FieldValue::Reference(DeclarationId(78)),
-                FieldValue::Reference(DeclarationId(79)),
-                FieldValue::Reference(DeclarationId(80)),
-                FieldValue::Reference(DeclarationId(81)),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/integer_diagnostic_order.dag", 1200, 1304),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(904),
-            name: Some("unsigned_int_diagnostic_order".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1353),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2163)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Reference(DeclarationId(82)),
-                FieldValue::Reference(DeclarationId(83)),
-                FieldValue::Reference(DeclarationId(84)),
-                FieldValue::Reference(DeclarationId(85)),
-                FieldValue::Reference(DeclarationId(86)),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/integer_diagnostic_order.dag", 1378, 1489),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(905),
-            name: Some("map_get".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2164), DeclarationId(906)],
-                output: DeclarationId(2165),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/lookup.dag", 1451, 1469)),
-            },
-            type_params: vec![DeclarationId(906), DeclarationId(907)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lookup.dag", 1388, 1469),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(906),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("key".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lookup.dag", 1388, 1469),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(907),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("value".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lookup.dag", 1388, 1469),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(908),
-            name: Some("Lookup".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Miss".to_string(),
-                        ty: DeclarationId(2168),
-                    },
-                    Field {
-                        label: "Hit".to_string(),
-                        ty: DeclarationId(2169),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(909)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lookup.dag", 4917, 4959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(909),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("value".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lookup.dag", 4917, 4959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(910),
-            name: Some("miss_int_lookup".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2166),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/lookup.dag", 4997, 5007)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lookup.dag", 4961, 5007),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(911),
-            name: Some("hit_int_lookup".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(87)],
-                output: DeclarationId(2167),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/lookup.dag", 5050, 5062)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lookup.dag", 5009, 5062),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(912),
-            name: Some("CollectionSizeEffect".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ShrinkEffect".to_string(),
-                        ty: DeclarationId(2194),
-                    },
-                    Field {
-                        label: "ProjectionEffect".to_string(),
-                        ty: DeclarationId(2195),
-                    },
-                    Field {
-                        label: "IdentityEffect".to_string(),
-                        ty: DeclarationId(2196),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 4923, 5005),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(913),
-            name: Some("CostShape".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ShapeConstant".to_string(),
-                        ty: DeclarationId(2197),
-                    },
-                    Field {
-                        label: "ShapeLinearScan".to_string(),
-                        ty: DeclarationId(2198),
-                    },
-                    Field {
-                        label: "ShapeIterateBody".to_string(),
-                        ty: DeclarationId(2199),
-                    },
-                    Field {
-                        label: "ShapeSortBody".to_string(),
-                        ty: DeclarationId(2200),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 5836, 5927),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(914),
-            name: Some("MethodContract".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "algebra_id".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "method_id".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "size_effect".to_string(),
-                        ty: DeclarationId(2201),
-                    },
-                    Field {
-                        label: "cost_shape".to_string(),
-                        ty: DeclarationId(2202),
-                    },
-                    Field {
-                        label: "callback_element_position".to_string(),
-                        ty: DeclarationId(2203),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 6688, 6862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(915),
-            name: Some("SizeVariable".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "source_port".to_string(),
-                        ty: DeclarationId(736),
-                    },
-                    Field {
-                        label: "display_name".to_string(),
-                        ty: DeclarationId(2204),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 7371, 7438),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(916),
-            name: Some("unnamed_size_variable".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(736)],
-                output: DeclarationId(915),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 7502, 7534)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 7440, 7534),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(917),
-            name: Some("size_variable_eq".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(915), DeclarationId(915)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(304))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 7536, 7632),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(918),
-            name: Some("DegreeAtLeastTwo".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DegreeTwo".to_string(),
-                        ty: DeclarationId(2205),
-                    },
-                    Field {
-                        label: "DegreeSuccessor".to_string(),
-                        ty: DeclarationId(2206),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 8379, 8465),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(919),
-            name: Some("SymbolicCost".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ConstantCost".to_string(),
-                        ty: DeclarationId(2207),
-                    },
-                    Field {
-                        label: "LinearCost".to_string(),
-                        ty: DeclarationId(2208),
-                    },
-                    Field {
-                        label: "PolynomialCost".to_string(),
-                        ty: DeclarationId(2209),
-                    },
-                    Field {
-                        label: "ProductCost".to_string(),
-                        ty: DeclarationId(2211),
-                    },
-                    Field {
-                        label: "SumCost".to_string(),
-                        ty: DeclarationId(2213),
-                    },
-                    Field {
-                        label: "LogCost".to_string(),
-                        ty: DeclarationId(2214),
-                    },
-                    Field {
-                        label: "UnknownCost".to_string(),
-                        ty: DeclarationId(2215),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: Some(DeclarationId(2216)),
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 9452, 9761),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(920),
-            name: Some("DominateScanAcc".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "any".to_string(),
-                        ty: DeclarationId(124),
-                    },
-                    Field {
-                        label: "pivot".to_string(),
-                        ty: DeclarationId(919),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10167, 10225),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(921),
-            name: Some("dominate_scan_init".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(920),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(307))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10227, 10322),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(922),
-            name: Some("miss_symbolic_cost_lookup".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2170),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 10963, 10973)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10908, 10973),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(923),
-            name: Some("hit_symbolic_cost_lookup".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(2171),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 11047, 11062)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10975, 11062),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(924),
-            name: Some("two_terms".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(2172),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(311))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11064, 11539),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(925),
-            name: Some("many_terms".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919), DeclarationId(2173)],
-                output: DeclarationId(2174),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(313))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11541, 11726),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(926),
-            name: Some("reject_all_symbolic_costs".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(318))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11728, 11856),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(927),
-            name: Some("degree_raw".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(918)],
-                output: DeclarationId(87),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(326))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11858, 12011),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(928),
-            name: Some("sequential".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(330))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 12247, 12350),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(929),
-            name: Some("iterate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(334))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 12536, 12654),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(930),
-            name: Some("max_path_step".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(338))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 13514, 13681),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(931),
-            name: Some("keep_or_sum".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(342))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 13683, 13841),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(932),
-            name: Some("max_path".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2175)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(346))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 14143, 14245),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(933),
-            name: Some("dominates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(399))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 15113, 17198),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(934),
-            name: Some("same_size_variable".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(915), DeclarationId(915)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(401))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 17200, 17290),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(935),
-            name: Some("AsymptoticClass".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ClassConstant".to_string(),
-                        ty: DeclarationId(2217),
-                    },
-                    Field {
-                        label: "ClassLog".to_string(),
-                        ty: DeclarationId(2218),
-                    },
-                    Field {
-                        label: "ClassLinear".to_string(),
-                        ty: DeclarationId(2219),
-                    },
-                    Field {
-                        label: "ClassLinearithmic".to_string(),
-                        ty: DeclarationId(2220),
-                    },
-                    Field {
-                        label: "ClassQuadratic".to_string(),
-                        ty: DeclarationId(2221),
-                    },
-                    Field {
-                        label: "ClassPolynomial".to_string(),
-                        ty: DeclarationId(2222),
-                    },
-                    Field {
-                        label: "ClassExponential".to_string(),
-                        ty: DeclarationId(2223),
-                    },
-                    Field {
-                        label: "ClassUnknown".to_string(),
-                        ty: DeclarationId(2224),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: Some(DeclarationId(2225)),
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 18077, 18318),
-        });
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-            id: DeclarationId(936),
-            name: Some("asymptotic_dominates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(935), DeclarationId(935)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(471))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 18320, 20588),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(937),
-            name: Some("meet_asymptotic_class".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(935), DeclarationId(935)],
-                output: DeclarationId(935),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(474))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 20590, 20721),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(938),
-            name: Some("join_asymptotic_class".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(935), DeclarationId(935)],
-                output: DeclarationId(935),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(477))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 20723, 20854),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(939),
-            name: Some("classify_symbolic_cost".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(935),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 20921, 20954)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 20856, 20954),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(940),
-            name: Some("normalize".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(486))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 21828, 22193),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(941),
-            name: Some("nsl_to_list".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2176)],
-                output: DeclarationId(2177),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(492))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 22195, 22324),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(942),
-            name: Some("drop_additive_zero".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2178)],
-                output: DeclarationId(2179),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(505))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 22501, 22793),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(943),
-            name: Some("collapse_on_multiplicative_zero".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2180)],
-                output: DeclarationId(2181),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(512))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23002, 23165),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(944),
-            name: Some("any_zero".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2182)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(521))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23167, 23332),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(945),
-            name: Some("drop_multiplicative_one".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2183)],
-                output: DeclarationId(2184),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(534))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23490, 23796),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(946),
-            name: Some("is_zero_constant".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(544))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23798, 24052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(947),
-            name: Some("is_one_constant".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(554))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 24054, 24307),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(948),
-            name: Some("reduce_sum".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2185)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(566))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 25092, 25363),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(949),
-            name: Some("wrap_sum".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2186)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(578))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 25365, 25640),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(950),
-            name: Some("reduce_product".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2187)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(595))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 25825, 26246),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(951),
-            name: Some("combine_binary_product".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(604))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 26411, 26798),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(952),
-            name: Some("combine_linear_with".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(915), DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(613))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 26800, 27209),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(953),
-            name: Some("collapse_linear_square".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![
-                    DeclarationId(915),
-                    DeclarationId(915),
-                    DeclarationId(919),
-                    DeclarationId(919),
-                ],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(618))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 27211, 27427),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(954),
-            name: Some("polynomial_square".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(915)],
-                output: DeclarationId(919),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 27483, 27533)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 27429, 27533),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(955),
-            name: Some("product_pair".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(621))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 27535, 27633),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(956),
-            name: Some("fold_or_dominate_scan".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(920), DeclarationId(919)],
-                output: DeclarationId(920),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(628))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 27635, 27784),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(957),
-            name: Some("scan_hit".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(920)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(630))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 27786, 27841),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(958),
-            name: Some("filter_not_dominated_by".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2188), DeclarationId(919)],
-                output: DeclarationId(2189),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(643))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 27843, 28205),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(959),
-            name: Some("drop_dominated_step".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2190), DeclarationId(919)],
-                output: DeclarationId(2191),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(650))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 28207, 28449),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(960),
-            name: Some("drop_dominated".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2192)],
-                output: DeclarationId(2193),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(653))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 28637, 28749),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(961),
-            name: Some("ResourceHandle".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "type".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "resource_id".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "key".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "cap".to_string(),
-                        ty: DeclarationId(143),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/resources.dag", 739, 827),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(962),
-            name: Some("ResourceReference".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "target".to_string(),
-                    ty: DeclarationId(1353),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/resources.dag", 829, 880),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(963),
-            name: Some("InputField".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/services.dag", 3237, 3255),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(964),
-            name: Some("RestEndpointBinding".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "method".to_string(),
-                        ty: DeclarationId(195),
-                    },
-                    Field {
-                        label: "path".to_string(),
-                        ty: DeclarationId(744),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/services.dag", 3888, 3960),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(965),
-            name: Some("CallableRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "decl".to_string(),
-                    ty: DeclarationId(1353),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/services.dag", 4768, 4811),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(966),
-            name: Some("Operation".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
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-                        label: "callable".to_string(),
-                        ty: DeclarationId(965),
-                    },
-                    Field {
-                        label: "inputs".to_string(),
-                        ty: DeclarationId(2253),
-                    },
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-            name: Some("FormAxis".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Atom".to_string(),
-                        ty: DeclarationId(2352),
-                    },
-                    Field {
-                        label: "Conj".to_string(),
-                        ty: DeclarationId(2353),
-                    },
-                    Field {
-                        label: "Disj".to_string(),
-                        ty: DeclarationId(2354),
-                    },
-                    Field {
-                        label: "Arrow".to_string(),
-                        ty: DeclarationId(2355),
-                    },
-                    Field {
-                        label: "Cardinality".to_string(),
-                        ty: DeclarationId(2356),
-                    },
-                    Field {
-                        label: "Instantiation".to_string(),
-                        ty: DeclarationId(2357),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 3837, 3909),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1043),
-            name: Some("BehaviorAxis".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Value".to_string(),
-                        ty: DeclarationId(2358),
-                    },
-                    Field {
-                        label: "Transform".to_string(),
-                        ty: DeclarationId(2359),
-                    },
-                    Field {
-                        label: "Branch".to_string(),
-                        ty: DeclarationId(2360),
-                    },
-                    Field {
-                        label: "Loop".to_string(),
-                        ty: DeclarationId(2361),
-                    },
-                    Field {
-                        label: "Bind".to_string(),
-                        ty: DeclarationId(2362),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 4469, 4529),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1044),
-            name: Some("MethodTemplateContractKey".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "target".to_string(),
-                        ty: DeclarationId(1038),
-                    },
-                    Field {
-                        label: "dag_method".to_string(),
-                        ty: DeclarationId(852),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 4913, 4994),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1045),
-            name: Some("EmissionCell".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "connective".to_string(),
-                        ty: DeclarationId(1042),
-                    },
-                    Field {
-                        label: "behavior".to_string(),
-                        ty: DeclarationId(1043),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 5427, 5496),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1046),
-            name: Some("EmissionPathProjection".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "row_identity".to_string(),
-                        ty: DeclarationId(1044),
-                    },
-                    Field {
-                        label: "cells".to_string(),
-                        ty: DeclarationId(2363),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 5842, 5943),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1047),
-            name: Some("emission_path_projections".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1046),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2364)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(255)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(268)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(292)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(270)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(261)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(259)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(249)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(260)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(246)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(245)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(262)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(290)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(296)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(255)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(268)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(292)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(270)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(261)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(259)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(249)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(260)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(246)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(245)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(262)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(290)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(296)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(291)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(247)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(294)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(255)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(268)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(292)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(260)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(246)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(245)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(262)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(290)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(296)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(291)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(247)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(294)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2356),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2359),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 6364, 12528),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1048),
-            name: Some("CompilerDiagnosticKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "TokenizerError".to_string(),
-                        ty: DeclarationId(2365),
-                    },
-                    Field {
-                        label: "ParseError".to_string(),
-                        ty: DeclarationId(2366),
-                    },
-                    Field {
-                        label: "TypeMismatch".to_string(),
-                        ty: DeclarationId(2367),
-                    },
-                    Field {
-                        label: "ArityMismatch".to_string(),
-                        ty: DeclarationId(2368),
-                    },
-                    Field {
-                        label: "ResolveError".to_string(),
-                        ty: DeclarationId(2369),
-                    },
-                    Field {
-                        label: "UnitMismatch".to_string(),
-                        ty: DeclarationId(2370),
-                    },
-                    Field {
-                        label: "BranchConditionNotBool".to_string(),
-                        ty: DeclarationId(2371),
-                    },
-                    Field {
-                        label: "MagnitudeOutOfRange".to_string(),
-                        ty: DeclarationId(2372),
-                    },
-                    Field {
-                        label: "MalformedIntegerRangeFact".to_string(),
-                        ty: DeclarationId(2373),
-                    },
-                    Field {
-                        label: "NominalOpacityViolation".to_string(),
-                        ty: DeclarationId(2374),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 1067, 1306),
-        });
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-            specialization_parent: None,
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-            refinement: None,
-            nominal_opacity: None,
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-            connective: TypeConnective::Conj {
-                children: vec![
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-                        label: "owner".to_string(),
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-                    Field {
-                        label: "exit_condition".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            connective: TypeConnective::Disj {
-                variants: vec![
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-                    Field {
-                        label: "DeferredCorrection".to_string(),
-                        ty: DeclarationId(2376),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-                children: vec![
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-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
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-                        label: "payload".to_string(),
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-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 3816, 3879),
-        });
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-            name: Some("LensInstanceKindWitness".to_string()),
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-                    ty: DeclarationId(1353),
-                }],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 6081, 6141),
-        });
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-            id: DeclarationId(1054),
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-            connective: TypeConnective::Disj {
-                variants: vec![
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-                        label: "CompilerKind".to_string(),
-                        ty: DeclarationId(2377),
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-                    Field {
-                        label: "LensInstanceKind".to_string(),
-                        ty: DeclarationId(2378),
-                    },
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 6750, 6859),
-        });
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-            name: Some("Diagnostic".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(1054),
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-                    Field {
-                        label: "span".to_string(),
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-                    Field {
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-                    Field {
-                        label: "correction".to_string(),
-                        ty: DeclarationId(1051),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 7228, 7335),
-        });
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-            id: DeclarationId(1056),
-            name: Some("EmissionDiagnostic".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "UnderRefined".to_string(),
-                        ty: DeclarationId(2379),
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-                    Field {
-                        label: "NoInhabitant".to_string(),
-                        ty: DeclarationId(2380),
-                    },
-                    Field {
-                        label: "ContradictoryUse".to_string(),
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-                    Field {
-                        label: "OutOfR2Scope".to_string(),
-                        ty: DeclarationId(2383),
-                    },
-                    Field {
-                        label: "LifetimeProgramExtractionPending".to_string(),
-                        ty: DeclarationId(2384),
-                    },
-                    Field {
-                        label: "FoldNotImplemented".to_string(),
-                        ty: DeclarationId(2385),
-                    },
-                    Field {
-                        label: "MissingEmissionPath".to_string(),
-                        ty: DeclarationId(2386),
-                    },
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 9969, 12739),
-        });
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-            id: DeclarationId(1057),
-            name: Some("ViolatesSubject".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "AtBehavior".to_string(),
-                        ty: DeclarationId(2401),
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-                    Field {
-                        label: "ProducerLookupMissingPort".to_string(),
-                        ty: DeclarationId(2402),
-                    },
-                    Field {
-                        label: "ProducerLookupMissingNode".to_string(),
-                        ty: DeclarationId(2403),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Inhabits".to_string(),
-                        ty: DeclarationId(2404),
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-                    Field {
-                        label: "Violates".to_string(),
-                        ty: DeclarationId(2405),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 2505, 2606),
-        });
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 2505, 2606),
-        });
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-            id: DeclarationId(1060),
-            name: Some("OptionalDiagnostic".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoDiagnostic".to_string(),
-                        ty: DeclarationId(2406),
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-                    Field {
-                        label: "SomeDiagnostic".to_string(),
-                        ty: DeclarationId(2407),
-                    },
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            name: Some("DimensionReport".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DimensionOk".to_string(),
-                        ty: DeclarationId(2410),
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-                    Field {
-                        label: "DimensionFail".to_string(),
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-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 3200, 3476),
-        });
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-            id: DeclarationId(1062),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 3200, 3476),
-        });
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-                        label: "name".to_string(),
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-                    Field {
-                        label: "witness_of".to_string(),
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-                    Field {
-                        label: "compose".to_string(),
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-                    Field {
-                        label: "break_diagnostic".to_string(),
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-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 4727, 4920),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1064),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 4727, 4920),
-        });
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-            id: DeclarationId(1065),
-            name: Some("Dimension".to_string()),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(1066),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(1067),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5561, 5611),
-        });
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-            id: DeclarationId(1068),
-            name: Some("Meters".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("Seconds".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
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-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("Kilograms".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("Kelvin".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
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-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            name: Some("Candela".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-                    DeclarationId(2387),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5703, 5897),
-        });
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5703, 5897),
-        });
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-                    DeclarationId(2391),
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-                    DeclarationId(2393),
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-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
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-            specialization_parent: None,
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(1080),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            name: Some("mul_dimension_scalar".to_string()),
-            connective: TypeConnective::Arrow {
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-                    DeclarationId(2395),
-                    DeclarationId(2396),
-                    DeclarationId(1083),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6095, 6288),
-        });
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-            id: DeclarationId(1082),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6095, 6288),
-        });
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-            id: DeclarationId(1083),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6095, 6288),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1084),
-            name: Some("div_dimension_scalar".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![
-                    DeclarationId(2398),
-                    DeclarationId(2399),
-                    DeclarationId(1086),
-                ],
-                output: DeclarationId(2400),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/dimensions.dag", 6454, 6483)),
-            },
-            type_params: vec![DeclarationId(1085), DeclarationId(1086)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6290, 6483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1085),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6290, 6483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1086),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6290, 6483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1087),
-            name: Some("go_language_spec_free_monoid_concat_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(253)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "append({left}, {right}...)".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "append({left}, {right}...)".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 3213, 3515),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1088),
-            name: Some("go_language_spec_free_monoid_length_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(271)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("int64(len({recv}))".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "int64(len({recv}))".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 3517, 3803),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1089),
-            name: Some("go_language_spec_free_monoid_emptiness_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(267)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("len({recv}) == 0".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "len({recv}) == 0".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 3895, 4182),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1090),
-            name: Some("go_language_spec_free_monoid_fold_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(263)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "/* fold({recv}, {init}, {body}) */".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "/* fold({recv}, {init}, {body}) */".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 4617, 4931),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1091),
-            name: Some("go_language_spec_map_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(274)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "/* map({recv}, {body}) */".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "/* map({recv}, {body}) */".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 5417, 5699),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1092),
-            name: Some("go_filter_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(260)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.Filter({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.Filter({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 5701, 5993),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1093),
-            name: Some("go_any_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(246)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.Any({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.Any({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 5995, 6275),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1094),
-            name: Some("go_all_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(245)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.All({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.All({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 6277, 6557),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1095),
-            name: Some("go_flat_map_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(262)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.FlatMap({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.FlatMap({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 6559, 6857),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1096),
-            name: Some("go_method_template_contracts".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1025),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2420)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(255)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("len({recv})".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "len({recv})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(268)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "strings.Join({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "strings.Join({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(292)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "strings.Split({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "strings.Split({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Reference(DeclarationId(1092)),
-                FieldValue::Reference(DeclarationId(1093)),
-                FieldValue::Reference(DeclarationId(1094)),
-                FieldValue::Reference(DeclarationId(1095)),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(290)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[{arg}:]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[{arg}:]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(296)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[:{arg}]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[:{arg}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(291)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.SortBy({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.SortBy({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(247)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "append({recv}, {arg})".to_string(),
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-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
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-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "append({recv}, {arg})".to_string(),
-                            ))],
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-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
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-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
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-                            payload: vec![],
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-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(294)),
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-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "strings.Contains({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "strings.Contains({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 6859, 8941),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1097),
-            name: Some("Lens".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
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-                    Field {
-                        label: "read".to_string(),
-                        ty: DeclarationId(2422),
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-                        label: "sequential".to_string(),
-                        ty: DeclarationId(2423),
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-                        ty: DeclarationId(2424),
-                    },
-                    Field {
-                        label: "iterate".to_string(),
-                        ty: DeclarationId(2425),
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-                    Field {
-                        label: "validate".to_string(),
-                        ty: DeclarationId(2426),
-                    },
-                ],
-            },
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens.dag", 4121, 4318),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1098),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("C".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens.dag", 4121, 4318),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1099),
-            name: Some("SectionRef".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DeclarationScope".to_string(),
-                        ty: DeclarationId(2427),
-                    },
-                    Field {
-                        label: "NodeScope".to_string(),
-                        ty: DeclarationId(2428),
-                    },
-                ],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 3544, 3677),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1100),
-            name: Some("DiagnosticSeverity".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "Error".to_string(),
-                    ty: DeclarationId(2429),
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-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 4530, 4561),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1101),
-            name: Some("LensEnforcement".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "project".to_string(),
-                        ty: DeclarationId(2430),
-                    },
-                    Field {
-                        label: "violates".to_string(),
-                        ty: DeclarationId(2431),
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-            type_params: vec![
-                DeclarationId(1102),
-                DeclarationId(1103),
-                DeclarationId(1104),
-            ],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
-        });
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-            id: DeclarationId(1102),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Output".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
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-            id: DeclarationId(1103),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Budget".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Projected".to_string())),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
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-            name: Some("EnforceableLens".to_string()),
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-                        ty: DeclarationId(2432),
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-                    Field {
-                        label: "enforcement".to_string(),
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-                DeclarationId(1107),
-                DeclarationId(1108),
-            ],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
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-            id: DeclarationId(1106),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Output".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Budget".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
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-            id: DeclarationId(1108),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Projected".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
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-            name: Some("EnforcedApplication".to_string()),
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-                        label: "section".to_string(),
-                        ty: DeclarationId(1099),
-                    },
-                    Field {
-                        label: "budget".to_string(),
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-                    Field {
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-                DeclarationId(1111),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Output".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
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-            id: DeclarationId(1111),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Budget".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1112),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Projected".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
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-            id: DeclarationId(1113),
-            name: Some("IntrospectApplication".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
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-                        label: "lens".to_string(),
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-                    Field {
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-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            name: None,
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            refinement: None,
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("VariantPayload".to_string()),
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-            value_body: None,
-            refinement: None,
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-                        label: "body".to_string(),
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-                    Field {
-                        label: "span".to_string(),
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-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}.split({arg})".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}.split({arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(270)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{recv}[-1] if {recv} else None".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[-1] if {recv} else None".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(261)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{recv}[0] if {recv} else None".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[0] if {recv} else None".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(259)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "list(enumerate({recv}))".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "list(enumerate({recv}))".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(249)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "[ord(c) for c in {recv}]".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "[ord(c) for c in {recv}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Reference(DeclarationId(1136)),
-                FieldValue::Reference(DeclarationId(1137)),
-                FieldValue::Reference(DeclarationId(1138)),
-                FieldValue::Reference(DeclarationId(1139)),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(290)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[{arg}:]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[{arg}:]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(296)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[:{arg}]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[:{arg}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(291)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "sorted({recv}, key={arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "sorted({recv}, key={arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(247)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv} + [{arg}]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv} + [{arg}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(294)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{arg} in {recv}".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{arg} in {recv}".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                6713,
-                9706,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1141),
-            name: Some("NamedField".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "label".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(1142),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 760, 810),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1142),
-            name: Some("Value".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LiteralValue".to_string(),
-                        ty: DeclarationId(2513),
-                    },
-                    Field {
-                        label: "RecordValue".to_string(),
-                        ty: DeclarationId(2515),
-                    },
-                    Field {
-                        label: "VariantValue".to_string(),
-                        ty: DeclarationId(2516),
-                    },
-                    Field {
-                        label: "NodeRef".to_string(),
-                        ty: DeclarationId(2517),
-                    },
-                    Field {
-                        label: "CardinalityValue".to_string(),
-                        ty: DeclarationId(2518),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 2122, 2304),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1143),
-            name: Some("ProgramObservation".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "observed".to_string(),
-                    ty: DeclarationId(1144),
-                }],
-            },
-            type_params: vec![DeclarationId(1144)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 3208, 3264),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1144),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 3208, 3264),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1145),
-            name: Some("EvalFrame".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bindings".to_string(),
-                    ty: DeclarationId(2519),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 3907, 3956),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1146),
-            name: Some("EvalStateStack".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "frames".to_string(),
-                    ty: DeclarationId(2520),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 4510, 4559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1147),
-            name: Some("EvalStateKey".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "state".to_string(),
-                    ty: DeclarationId(1146),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 4940, 4985),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1148),
-            name: Some("EvalStrategy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "ApplicativeOrder".to_string(),
-                    ty: DeclarationId(2521),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 5368, 5442),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1149),
-            name: Some("InputEvaluationOrder".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LeftFirst".to_string(),
-                        ty: DeclarationId(2522),
-                    },
-                    Field {
-                        label: "RightFirst".to_string(),
-                        ty: DeclarationId(2523),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 5654, 5704),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1150),
-            name: Some("EvalMemoKey".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "program".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "node".to_string(),
-                        ty: DeclarationId(735),
-                    },
-                    Field {
-                        label: "state_key".to_string(),
-                        ty: DeclarationId(1147),
-                    },
-                    Field {
-                        label: "strategy".to_string(),
-                        ty: DeclarationId(1148),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 6013, 6124),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1151),
-            name: Some("evaluate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(735), DeclarationId(2512)],
-                output: DeclarationId(1142),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/runtime.dag", 11260, 11279)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 11191, 11279),
-        });
-        declarations.push(Declaration { id: DeclarationId(1152), name: Some("rust_filter_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(260)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let __filter_source = {iter}; let mut __result = Vec::new(); for {param} in __filter_source.iter() { if {body} { __result.push((*{param}).clone()); } } __result }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2325), payload: vec![FieldValue::Literal(LiteralBits::String("{ let __filter_source = {iter}; let mut __result = Vec::new(); for {param} in __filter_source.iter() { if {body} { __result.push((*{param}).clone()); } } __result }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.filter({arg}).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 3555, 4208) });
-        declarations.push(Declaration { id: DeclarationId(1153), name: Some("rust_any_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(246)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let mut __found = false; for {param} in {iter} { if {body} { __found = true; break; } } __found }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2325), payload: vec![FieldValue::Literal(LiteralBits::String("{ let mut __found = false; for {param} in {iter} { if {body} { __found = true; break; } } __found }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.any({arg})".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 4210, 4705) });
-        declarations.push(Declaration { id: DeclarationId(1154), name: Some("rust_all_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(245)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let mut __all = true; for {param} in {iter} { if !({body}) { __all = false; break; } } __all }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2325), payload: vec![FieldValue::Literal(LiteralBits::String("{ let mut __all = true; for {param} in {iter} { if !({body}) { __all = false; break; } } __all }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.all({arg})".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 4707, 5196) });
-        declarations.push(Declaration { id: DeclarationId(1155), name: Some("rust_flat_map_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(262)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let mut __result = Vec::new(); for {param} in {iter} { __result.extend({inner_iter}); } __result }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2325), payload: vec![FieldValue::Literal(LiteralBits::String("{ let mut __result = Vec::new(); for {param} in {iter} { __result.extend({inner_iter}); } __result }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.flat_map({arg}).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 5198, 5729) });
-        declarations.push(Declaration { id: DeclarationId(1156), name: Some("rust_method_template_contracts".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(699), arguments: vec![TemplateArgument { parameter: DeclarationId(700), value: DeclarationId(1025) }] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(2524)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::List(vec![FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(255)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.len()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("({recv}.len() as i64)".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(268)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.join(&{arg})".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.join(&{arg})".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(292)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.split(&{arg}).map(|s| s.to_string()).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.split(&{arg}).map(|s| s.to_string()).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(270)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.last().cloned()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.last().cloned()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(261)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.first().cloned()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.first().cloned()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(259)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.iter().enumerate().map(|(i, v)| (i, v.clone())).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().enumerate().map(|(i, v)| (i as i64, v)).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(249)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.chars().map(|c| c as i64).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.chars().map(|c| c as i64).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Reference(DeclarationId(1152)), FieldValue::Reference(DeclarationId(1153)), FieldValue::Reference(DeclarationId(1154)), FieldValue::Reference(DeclarationId(1155)), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(290)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().skip({arg} as usize).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().skip({arg} as usize).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(296)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().take({arg} as usize).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(2324), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().take({arg} as usize).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(2323), payload: vec![] })])])), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 5732, 8453) });
-        declarations.push(Declaration {
-            id: DeclarationId(1157),
-            name: Some("DescentEvidence".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Strict".to_string(),
-                        ty: DeclarationId(2533),
-                    },
-                    Field {
-                        label: "NonIncreasing".to_string(),
-                        ty: DeclarationId(2534),
-                    },
-                    Field {
-                        label: "DescentUnknown".to_string(),
-                        ty: DeclarationId(2535),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 742, 810),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1158),
-            name: Some("evidence_rank".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1157)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/termination.dag", 856, 938)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 812, 938),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1159),
-            name: Some("merge_evidence".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1157), DeclarationId(1157)],
-                output: DeclarationId(1157),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    1082,
-                    1410,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 1005, 1410),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1160),
-            name: Some("join_evidence".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1157), DeclarationId(1157)],
-                output: DeclarationId(1157),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    1556,
-                    1755,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 1480, 1755),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1161),
-            name: Some("promote_to_strict".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1157)],
-                output: DeclarationId(1157),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    2217,
-                    2336,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 2150, 2336),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1162),
-            name: Some("optional_evidence_meet".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2525), DeclarationId(2526)],
-                output: DeclarationId(2527),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    2488,
-                    2664,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 2400, 2664),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1163),
-            name: Some("map_evidence_merge_at".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2528), DeclarationId(227), DeclarationId(1157)],
-                output: DeclarationId(2529),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    2833,
-                    3007,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 2701, 3007),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1164),
-            name: Some("RankingDimension".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "TreeSize".to_string(),
-                        ty: DeclarationId(2536),
-                    },
-                    Field {
-                        label: "ListLength".to_string(),
-                        ty: DeclarationId(2537),
-                    },
-                    Field {
-                        label: "ArithmeticValue".to_string(),
-                        ty: DeclarationId(2538),
-                    },
-                    Field {
-                        label: "TokenPosition".to_string(),
-                        ty: DeclarationId(2539),
-                    },
-                    Field {
-                        label: "SetCardinality".to_string(),
-                        ty: DeclarationId(2540),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 3306, 3502),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1165),
-            name: Some("PositiveDescentAmount".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "OneStep".to_string(),
-                        ty: DeclarationId(2541),
-                    },
-                    Field {
-                        label: "AdditionalStep".to_string(),
-                        ty: DeclarationId(2542),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 4478, 4571),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1166),
-            name: Some("positive_descent_count".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1165)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    4881,
-                    4989,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 4818, 4989),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1167),
-            name: Some("ProportionalDivisor".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DivideByTwo".to_string(),
-                        ty: DeclarationId(2543),
-                    },
-                    Field {
-                        label: "StrictlyLarger".to_string(),
-                        ty: DeclarationId(2544),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 5455, 5545),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1168),
-            name: Some("proportional_divisor_to_int".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1167)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    5609,
-                    5722,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 5547, 5722),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1169),
-            name: Some("peano_literal_materialization_cap".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    5952,
-                    5959,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 5906, 5959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1170),
-            name: Some("positive_descent_amount_from_positive_int".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(87)],
-                output: DeclarationId(2530),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    6420,
-                    6780,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 6341, 6780),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1171),
-            name: Some("proportional_divisor_from_int_at_least_two".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(87)],
-                output: DeclarationId(2531),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/termination.dag",
-                    6860,
-                    7221,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 6782, 7221),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1172),
-            name: Some("DescentSource".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ChildAccessor".to_string(),
-                        ty: DeclarationId(2545),
-                    },
-                    Field {
-                        label: "ListShrink".to_string(),
-                        ty: DeclarationId(2546),
-                    },
-                    Field {
-                        label: "ArithmeticSubtractDescent".to_string(),
-                        ty: DeclarationId(2547),
-                    },
-                    Field {
-                        label: "ArithmeticDivideDescent".to_string(),
-                        ty: DeclarationId(2548),
-                    },
-                    Field {
-                        label: "ParserAdvance".to_string(),
-                        ty: DeclarationId(2549),
-                    },
-                    Field {
-                        label: "SetRemoval".to_string(),
-                        ty: DeclarationId(2550),
-                    },
-                    Field {
-                        label: "FoldIteration".to_string(),
-                        ty: DeclarationId(2551),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 7626, 7947),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1173),
-            name: Some("TerminationProof".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "dimensions".to_string(),
-                    ty: DeclarationId(2552),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 7949, 8011),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1174),
-            name: Some("ProofEdge".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "caller".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "callee".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "evidence".to_string(),
-                        ty: DeclarationId(2553),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 8156, 8242),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1175),
-            name: Some("StrictEvidence".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "Strict".to_string(),
-                    ty: DeclarationId(2554),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 8716, 8746),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1176),
-            name: Some("NonStrictEvidence".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NonIncreasing".to_string(),
-                        ty: DeclarationId(2555),
-                    },
-                    Field {
-                        label: "DescentUnknown".to_string(),
-                        ty: DeclarationId(2556),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 9112, 9171),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1177),
-            name: Some("DescentResidual".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "EvidenceUnknown".to_string(),
-                        ty: DeclarationId(2557),
-                    },
-                    Field {
-                        label: "EvidenceIncomplete".to_string(),
-                        ty: DeclarationId(2558),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
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-                children: vec![
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-            phantom_params: Vec::new(),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 7749, 7849),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1256),
-            name: Some("TimingBudget".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "max".to_string(),
-                    ty: DeclarationId(1249),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 7987, 8027),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1257),
-            name: Some("TimingEnforcementProjected".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "TimedUsage".to_string(),
-                        ty: DeclarationId(2698),
-                    },
-                    Field {
-                        label: "NonEvidenceUsage".to_string(),
-                        ty: DeclarationId(2699),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 9193, 9281),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1258),
-            name: Some("TimingLens".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1097),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(1098),
-                    value: DeclarationId(1250),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 9537, 9578),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1259),
-            name: Some("timing_measurement_unobserved".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1250),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(689))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 9580, 9650),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1260),
-            name: Some("timing_measurement_lens_combine".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250), DeclarationId(1250), DeclarationId(124)],
-                output: DeclarationId(1250),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(721))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 9808, 10700),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1261),
-            name: Some("timing_sequential_op".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250), DeclarationId(1250)],
-                output: DeclarationId(1250),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(724))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 10775, 10911),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1262),
-            name: Some("nanoseconds_zero".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1249),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(727))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 10913, 10966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1263),
-            name: Some("timing_sequential_identity".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1250),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(730))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 10968, 11066),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1264),
-            name: Some("timing_branch_op".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250), DeclarationId(1250)],
-                output: DeclarationId(1250),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(733))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 11126, 11259),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1265),
-            name: Some("timing_lens_correction_retirement_plan".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1050),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(737))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 11798, 12111),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1266),
-            name: Some("timing_lens_deferred_correction".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1051),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(741))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 12113, 12332),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1267),
-            name: Some("timing_lens_behavior_span".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(838)],
-                output: DeclarationId(155),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(748))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 12515, 12714),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1268),
-            name: Some("timing_lens_scaffold_non_evidence_diagnostic".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(155)],
-                output: DeclarationId(1055),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(753))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 12961, 13180),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1269),
-            name: Some("timing_lens_degenerate_empty_dag_span".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(155),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(758))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 13414, 13548),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1270),
-            name: Some("timing_lens_validate_non_observed".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(227)],
-                output: DeclarationId(1060),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(774))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 14010, 14715),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1271),
-            name: Some("timing_measurement_iterate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250), DeclarationId(829)],
-                output: DeclarationId(1250),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(783))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 15040, 15401),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1272),
-            name: Some("timing_lens_read".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2692),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(820))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 16178, 17004),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1273),
-            name: Some("timing_lens_validate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1250)],
-                output: DeclarationId(1060),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(834))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 17006, 17851),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1274),
-            name: Some("timing_enforcement_fault_sentinel_count".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(76),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(836))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 18961, 19035),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1275),
-            name: Some("timing_enforcement_project".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250)],
-                output: DeclarationId(1257),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(843))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19037, 19289),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1276),
-            name: Some("timing_enforcement_violates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250), DeclarationId(1256)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(866))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19291, 19556),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1277),
-            name: Some("timing_lens_monoid".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(19),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(20),
-                    value: DeclarationId(1250),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2700)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(1261))),
-                    (
-                        "identity".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2693),
-                            payload: vec![FieldValue::Record(vec![(
-                                "count".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            )])],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19558, 19689),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1278),
-            name: Some("timing_lens".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1258),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1258)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("timing".to_string())),
-                    ),
-                    (
-                        "read".to_string(),
-                        FieldValue::Reference(DeclarationId(1272)),
-                    ),
-                    (
-                        "sequential".to_string(),
-                        FieldValue::Reference(DeclarationId(1277)),
-                    ),
-                    (
-                        "branch".to_string(),
-                        FieldValue::Reference(DeclarationId(1264)),
-                    ),
-                    (
-                        "iterate".to_string(),
-                        FieldValue::Reference(DeclarationId(1271)),
-                    ),
-                    (
-                        "validate".to_string(),
-                        FieldValue::Reference(DeclarationId(1273)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19691, 19898),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1279),
-            name: Some("timing_enforcement".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1101),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(1102),
-                        value: DeclarationId(1250),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1103),
-                        value: DeclarationId(1256),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1104),
-                        value: DeclarationId(1257),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2701)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "project".to_string(),
-                        FieldValue::Reference(DeclarationId(1275)),
-                    ),
-                    (
-                        "violates".to_string(),
-                        FieldValue::Reference(DeclarationId(1276)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19900, 20085),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1280),
-            name: Some("timing_enforceable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1105),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(1106),
-                        value: DeclarationId(1250),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1107),
-                        value: DeclarationId(1256),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1108),
-                        value: DeclarationId(1257),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2702)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "lens".to_string(),
-                        FieldValue::Reference(DeclarationId(1278)),
-                    ),
-                    (
-                        "enforcement".to_string(),
-                        FieldValue::Reference(DeclarationId(1279)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 20087, 20248),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1281),
-            name: Some("modeled_gunbc_ci_workflow".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1796),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1796)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Unparsed(SourceSpan::new(
-                "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                1440,
-                2696,
-            ))),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 1397, 2696),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1282),
-            name: Some("ci_demo_timing_read".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2713),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(908))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 3209, 4468),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1283),
-            name: Some("ci_wad_modeled_workflow_timing_witness".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2714),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(910))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 4762, 4884),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1284),
-            name: Some("_ci_wad_seed_list_declaration_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2715),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(912))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5078, 5147),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1285),
-            name: Some("_ci_wad_seed_list_behavior_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2716),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(914))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5149, 5212),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1286),
-            name: Some("_ci_wad_seed_list_dagport_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2717),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(916))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5214, 5275),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1287),
-            name: Some("_ci_wad_seed_list_cluster_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2718),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(918))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5277, 5338),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1288),
-            name: Some("_ci_wad_empty_list_diagnostic".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2719),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(920))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5340, 5402),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1289),
-            name: Some("_ci_wad_empty_list_witness_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2721),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(922))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5404, 5482),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1290),
-            name: Some("_ci_wad_witnesses_singleton_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250)],
-                output: DeclarationId(2723),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(926))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5484, 5645),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1291),
-            name: Some("_ci_wad_violations_singleton".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1055)],
-                output: DeclarationId(2724),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(929))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5647, 5779),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1292),
-            name: Some("_ci_wad_dimension_ok_tm_payload".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250)],
-                output: DeclarationId(2725),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(933))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5781, 6005),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1293),
-            name: Some("_ci_wad_dimension_fail_tm_payload".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1250), DeclarationId(1055)],
-                output: DeclarationId(2726),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(938))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6007, 6288),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1294),
-            name: Some("report_dim_ok_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1250)],
-                output: DeclarationId(2727),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(945))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6553, 6792),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1295),
-            name: Some("report_dim_fail_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1250), DeclarationId(1055)],
-                output: DeclarationId(2728),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(952))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6794, 7069),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1296),
-            name: Some("report_inhabits_branch_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1250), DeclarationId(1060)],
-                output: DeclarationId(2729),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(957))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7071, 7322),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1297),
-            name: Some("dimension_report_tm_from_witness".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(2730)],
-                output: DeclarationId(2731),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(978))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7324, 8325),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1298),
-            name: Some("demo_ci_modeled_timing_dimension_report".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2732),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(986))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 9186, 9487),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1299),
-            name: Some("gate_58_ci_workflow_timing_row".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "workflow".to_string(),
-                        ty: DeclarationId(1796),
-                    },
-                    Field {
-                        label: "measurement".to_string(),
-                        ty: DeclarationId(1250),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 10675, 10768),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1300),
-            name: Some("gate_58_modeled_ci_timing_measurement".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1299),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1299)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "workflow".to_string(),
-                        FieldValue::Reference(DeclarationId(1281)),
-                    ),
-                    (
-                        "measurement".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2693),
-                            payload: vec![FieldValue::Record(vec![(
-                                "count".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            )])],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 10770, 10939),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1301),
-            name: Some("gate_58_apply_lens_self_application_pass".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1109),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(1110),
-                        value: DeclarationId(1250),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1111),
-                        value: DeclarationId(1256),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1112),
-                        value: DeclarationId(1257),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2733)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "enforceable_lens".to_string(),
-                        FieldValue::Reference(DeclarationId(1280)),
-                    ),
-                    (
-                        "section".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2427),
-                            payload: vec![FieldValue::Reference(DeclarationId(1300))],
-                        },
-                    ),
-                    (
-                        "budget".to_string(),
-                        FieldValue::Record(vec![(
-                            "max".to_string(),
-                            FieldValue::Record(vec![(
-                                "count".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("1000000000".to_string())),
-                            )]),
-                        )]),
-                    ),
-                    (
-                        "diagnostic_severity".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2429),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "span".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "file".to_string(),
-                                FieldValue::Literal(LiteralBits::String(
-                                    "src/v3/std/t_ci_workflow_as_data_demo.dag".to_string(),
-                                )),
-                            ),
-                            (
-                                "start".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "end".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                        ]),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 11199, 11604),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1302),
-            name: Some("Path".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(154),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 1402, 1422),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1303),
-            name: Some("SnapshotRef".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(147),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 1423, 1453),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1304),
-            name: Some("GeneratedManifestEntry".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "PendingFact".to_string(),
-                        ty: DeclarationId(2758),
-                    },
-                    Field {
-                        label: "ResolvedFact".to_string(),
-                        ty: DeclarationId(2759),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 2584, 2762),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1305),
-            name: Some("CensusListConstant".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 2969, 2995),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1306),
-            name: Some("expected_hand_authored_non_test".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1305),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1305)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 2997, 3058),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1307),
-            name: Some("expected_hand_authored_test".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1305),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1305)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3059, 3116),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1308),
-            name: Some("expected_hand_authored_fragments".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1305),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1305)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3117, 3179),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1309),
-            name: Some("LensProducerFilesSubsetPredicate".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3311, 3351),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1310),
-            name: Some("lens_producer_files_subset_predicate".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1309),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1309)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3353, 3433),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1311),
-            name: Some("BinShimFilesSubsetPredicate".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3540, 3575),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1312),
-            name: Some("bin_shim_files_subset_predicate".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1311),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1311)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3577, 3647),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1313),
-            name: Some("CompilerStdPositiveSetRatchet".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3726, 3763),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1314),
-            name: Some("compiler_std_positive_set_ratchet".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1313),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1313)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3765, 3839),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1315),
-            name: Some("DiagnosticKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "TokenizerError".to_string(),
-                        ty: DeclarationId(2760),
-                    },
-                    Field {
-                        label: "ParseError".to_string(),
-                        ty: DeclarationId(2761),
-                    },
-                    Field {
-                        label: "TypeMismatch".to_string(),
-                        ty: DeclarationId(2762),
-                    },
-                    Field {
-                        label: "ArityMismatch".to_string(),
-                        ty: DeclarationId(2763),
-                    },
-                    Field {
-                        label: "ResolveError".to_string(),
-                        ty: DeclarationId(2764),
-                    },
-                    Field {
-                        label: "UnitMismatch".to_string(),
-                        ty: DeclarationId(2765),
-                    },
-                    Field {
-                        label: "BranchConditionNotBool".to_string(),
-                        ty: DeclarationId(2766),
-                    },
-                    Field {
-                        label: "MagnitudeOutOfRange".to_string(),
-                        ty: DeclarationId(2767),
-                    },
-                    Field {
-                        label: "MalformedIntegerRangeFact".to_string(),
-                        ty: DeclarationId(2768),
-                    },
-                    Field {
-                        label: "NominalOpacityViolation".to_string(),
-                        ty: DeclarationId(2769),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 4174, 4405),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1316),
-            name: Some("DiagnosticDetailExpectation".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "AnyDetail".to_string(),
-                        ty: DeclarationId(2770),
-                    },
-                    Field {
-                        label: "Contains".to_string(),
-                        ty: DeclarationId(2771),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 4774, 4841),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1317),
-            name: Some("DiagnosticReference".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(1315),
-                    },
-                    Field {
-                        label: "detail_contains".to_string(),
-                        ty: DeclarationId(1316),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 4985, 5083),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1318),
-            name: Some("PortStateExpectation".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Resolved".to_string(),
-                        ty: DeclarationId(2772),
-                    },
-                    Field {
-                        label: "Unresolved".to_string(),
-                        ty: DeclarationId(2773),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 5470, 5523),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1319),
-            name: Some("PerfBudgetComparisonOp".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "AtMostBudget".to_string(),
-                    ty: DeclarationId(2774),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 5716, 5760),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1320),
-            name: Some("AlgebraicLawKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Associativity".to_string(),
-                        ty: DeclarationId(2775),
-                    },
-                    Field {
-                        label: "Commutativity".to_string(),
-                        ty: DeclarationId(2776),
-                    },
-                    Field {
-                        label: "Identity".to_string(),
-                        ty: DeclarationId(2777),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 6549, 6619),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1321),
-            name: Some("ProgramGenerator".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "generator".to_string(),
-                    ty: DeclarationId(1353),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 6856, 6909),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1322),
-            name: Some("ProgramShape".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "LiteralProgram".to_string(),
-                    ty: DeclarationId(2778),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7142, 7231),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1323),
-            name: Some("SymbolicCostBindParamExpected".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "LinearCostForBindParam".to_string(),
-                    ty: DeclarationId(2779),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7233, 7325),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1324),
-            name: Some("BindParamSizeVariable".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "SelectedBindParamSizeVariable".to_string(),
-                    ty: DeclarationId(2780),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7327, 7387),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1325),
-            name: Some("BindParamRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "index".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7389, 7423),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1326),
-            name: Some("LensCapabilityStructuralStatus".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LensCapabilityStructuralTerminal".to_string(),
-                        ty: DeclarationId(2781),
-                    },
-                    Field {
-                        label: "LensCapabilityStructuralPartial".to_string(),
-                        ty: DeclarationId(2782),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7949, 8057),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1327),
-            name: Some("LensCapabilityBehavioralStatus".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LensCapabilityBehavioralComplete".to_string(),
-                        ty: DeclarationId(2783),
-                    },
-                    Field {
-                        label: "LensCapabilityBehavioralPartial".to_string(),
-                        ty: DeclarationId(2784),
-                    },
-                    Field {
-                        label: "LensCapabilityBehavioralStub".to_string(),
-                        ty: DeclarationId(2785),
-                    },
-                    Field {
-                        label: "LensCapabilityBehavioralNA".to_string(),
-                        ty: DeclarationId(2786),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8059, 8231),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1328),
-            name: Some("LensCapabilityV2Counterpart".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LensCapabilityV2RealV2".to_string(),
-                        ty: DeclarationId(2787),
-                    },
-                    Field {
-                        label: "LensCapabilityV2NoneV3Native".to_string(),
-                        ty: DeclarationId(2788),
-                    },
-                    Field {
-                        label: "LensCapabilityV2NotApplicable".to_string(),
-                        ty: DeclarationId(2789),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8233, 8359),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1329),
-            name: Some("LensCapabilityRegisterRow".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "lens_basename".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "structural".to_string(),
-                        ty: DeclarationId(1326),
-                    },
-                    Field {
-                        label: "behavioral".to_string(),
-                        ty: DeclarationId(1327),
-                    },
-                    Field {
-                        label: "v2_counterpart".to_string(),
-                        ty: DeclarationId(1328),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8361, 8555),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1330),
-            name: Some("lens_capability_register_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1329),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2829)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("complexity.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2787),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("cost.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2787),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "cost_target_realization.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2786),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "effect_enumeration.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("idempotency.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("parallelism.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("provenance.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "unused_parameters.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("variant_payload.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "structural_resolution.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2783),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2788),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("infer_helpers.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2782),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2786),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2789),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("lower_helpers.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2782),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2786),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2789),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "named_function_count.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2781),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2786),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2789),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8557, 11146),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1331),
-            name: Some("TestPredicate".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Compiles".to_string(),
-                        ty: DeclarationId(2790),
-                    },
-                    Field {
-                        label: "FailsWithDiagnostic".to_string(),
-                        ty: DeclarationId(2791),
-                    },
-                    Field {
-                        label: "OutputEquals".to_string(),
-                        ty: DeclarationId(2792),
-                    },
-                    Field {
-                        label: "PortHasState".to_string(),
-                        ty: DeclarationId(2793),
-                    },
-                    Field {
-                        label: "DeclarationHasRefinement".to_string(),
-                        ty: DeclarationId(2794),
-                    },
-                    Field {
-                        label: "CostBounded".to_string(),
-                        ty: DeclarationId(2795),
-                    },
-                    Field {
-                        label: "BehavioralObservation".to_string(),
-                        ty: DeclarationId(2796),
-                    },
-                    Field {
-                        label: "MockBackedInvariant".to_string(),
-                        ty: DeclarationId(2797),
-                    },
-                    Field {
-                        label: "ExecuteCommand".to_string(),
-                        ty: DeclarationId(2799),
-                    },
-                    Field {
-                        label: "ForAllTargets".to_string(),
-                        ty: DeclarationId(2801),
-                    },
-                    Field {
-                        label: "LensOutputEquals".to_string(),
-                        ty: DeclarationId(2802),
-                    },
-                    Field {
-                        label: "DifferentialEquals".to_string(),
-                        ty: DeclarationId(2803),
-                    },
-                    Field {
-                        label: "SymbolicCostExprEquals".to_string(),
-                        ty: DeclarationId(2804),
-                    },
-                    Field {
-                        label: "SymbolicCostExprEqualsForBindParam".to_string(),
-                        ty: DeclarationId(2805),
-                    },
-                    Field {
-                        label: "PerfWithinBaseline".to_string(),
-                        ty: DeclarationId(2806),
-                    },
-                    Field {
-                        label: "BinaryDimensionReportEquals".to_string(),
-                        ty: DeclarationId(2807),
-                    },
-                    Field {
-                        label: "AlgebraicLaw".to_string(),
-                        ty: DeclarationId(2808),
-                    },
-                    Field {
-                        label: "CensusBoundCheck".to_string(),
-                        ty: DeclarationId(2809),
-                    },
-                    Field {
-                        label: "CensusSubsetCount".to_string(),
-                        ty: DeclarationId(2810),
-                    },
-                    Field {
-                        label: "FixedPointConverges".to_string(),
-                        ty: DeclarationId(2811),
-                    },
-                    Field {
-                        label: "RatchetZero".to_string(),
-                        ty: DeclarationId(2812),
-                    },
-                    Field {
-                        label: "GeneratedFromDag".to_string(),
-                        ty: DeclarationId(2814),
-                    },
-                    Field {
-                        label: "CementingDispatchMatchesProjection".to_string(),
-                        ty: DeclarationId(2815),
-                    },
-                    Field {
-                        label: "ReleaseDeferredClaim".to_string(),
-                        ty: DeclarationId(2816),
-                    },
-                    Field {
-                        label: "SubstrateResearchDeferredClaim".to_string(),
-                        ty: DeclarationId(2817),
-                    },
-                    Field {
-                        label: "BridgeLedgerZero".to_string(),
-                        ty: DeclarationId(2818),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 11148, 25196),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1332),
-            name: Some("ProgramInput".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 25304, 25324),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1333),
-            name: Some("ProgramOutputBind".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "output_ref".to_string(),
-                    ty: DeclarationId(1353),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 25467, 25522),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1334),
-            name: Some("TestClaim".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "source".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "file_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "predicate".to_string(),
-                        ty: DeclarationId(1331),
-                    },
-                    Field {
-                        label: "requires".to_string(),
-                        ty: DeclarationId(2819),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 26132, 26265),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1335),
-            name: Some("Quantifier".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ForAll".to_string(),
-                        ty: DeclarationId(2820),
-                    },
-                    Field {
-                        label: "Exists".to_string(),
-                        ty: DeclarationId(2821),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 26446, 26483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1336),
-            name: Some("QuantifiedTestClaim".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "generator".to_string(),
-                        ty: DeclarationId(1321),
-                    },
-                    Field {
-                        label: "quantifier".to_string(),
-                        ty: DeclarationId(1335),
-                    },
-                    Field {
-                        label: "predicate".to_string(),
-                        ty: DeclarationId(1331),
-                    },
-                    Field {
-                        label: "requires".to_string(),
-                        ty: DeclarationId(2822),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 26485, 26646),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1337),
-            name: Some("TestNodeRef".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "EnumeratedTestNode".to_string(),
-                        ty: DeclarationId(2823),
-                    },
-                    Field {
-                        label: "QuantifiedTestNode".to_string(),
-                        ty: DeclarationId(2824),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 28627, 28721),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1338),
-            name: Some("TestNodeCostDimension".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "node".to_string(),
-                        ty: DeclarationId(1337),
-                    },
-                    Field {
-                        label: "budget".to_string(),
-                        ty: DeclarationId(1256),
-                    },
-                    Field {
-                        label: "measured".to_string(),
-                        ty: DeclarationId(1250),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 28723, 28826),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1339),
-            name: Some("SuiteClaim".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Enumerated".to_string(),
-                        ty: DeclarationId(2825),
-                    },
-                    Field {
-                        label: "Quantified".to_string(),
-                        ty: DeclarationId(2826),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 29559, 29636),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1340),
-            name: Some("TestSuite".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "claims".to_string(),
-                        ty: DeclarationId(2827),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 29638, 29698),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1341),
-            name: Some("TestObligation".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "claim_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "resources".to_string(),
-                        ty: DeclarationId(2828),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 29896, 29977),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1342),
-            name: Some("claim_obligation_resources".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1334)],
-                output: DeclarationId(2755),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    30419,
-                    30435,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 30348, 30435),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1343),
-            name: Some("obligation_for_claim".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1334)],
-                output: DeclarationId(1341),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    30493,
-                    30578,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 30437, 30578),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1344),
-            name: Some("obligation_for_quantified_claim".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1336)],
-                output: DeclarationId(1341),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    30885,
-                    30951,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 30808, 30951),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1345),
-            name: Some("obligation_for_suite_claim".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1339)],
-                output: DeclarationId(1341),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(990))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 31256, 31445),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1346),
-            name: Some("materialize_test_obligations".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2756)],
-                output: DeclarationId(2757),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    31529,
-                    31574,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 31447, 31574),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1347),
-            name: Some("ValueBehavior".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2935, 2956),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1348),
-            name: Some("Transform".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2957, 2974),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1349),
-            name: Some("Branch".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2975, 2989),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1350),
-            name: Some("Loop".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2990, 3002),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1351),
-            name: Some("Bind".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 3003, 3015),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1352),
-            name: Some("Main".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 3016, 3028),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1353),
-            name: Some("DeclarationRef".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 3761, 3783),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1354),
-            name: Some("go_execution_model".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(890),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(890)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "memory".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2149),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "scope".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2152),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 2055, 2157),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1355),
-            name: Some("go_source_filtering".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(892),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(892)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "internal".to_string(),
-                        FieldValue::Reference(DeclarationId(893)),
-                    ),
-                    (
-                        "additional_excluded_prefixes".to_string(),
-                        FieldValue::List(vec![FieldValue::Literal(LiteralBits::String(
-                            "src/v3/compiler/".to_string(),
-                        ))]),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 2159, 2309),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1356),
-            name: Some("go_execution_requirement".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(894),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(894)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Unparsed(SourceSpan::new(
-                "src/v3/spec/go.dag",
-                2370,
-                2386,
-            ))),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 2311, 2386),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1357),
-            name: Some("go_int".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("int64".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 2388, 2518),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1358),
-            name: Some("go_int32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(79)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("int32".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 2520, 2654),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1359),
-            name: Some("go_integer_inhabit_i32_at_program_bound".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(988),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(988)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "kernel_integer".to_string(),
-                        FieldValue::Reference(DeclarationId(79)),
-                    ),
-                    (
-                        "algebra".to_string(),
-                        FieldValue::Reference(DeclarationId(79)),
-                    ),
-                    (
-                        "bound".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2291),
-                            payload: vec![FieldValue::Variant {
-                                constructor: DeclarationId(1958),
-                                payload: vec![
-                                    FieldValue::Literal(LiteralBits::Int(
-                                        "-2147483648".to_string(),
-                                    )),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(1957),
-                                        payload: vec![FieldValue::Variant {
-                                            constructor: DeclarationId(1955),
-                                            payload: vec![FieldValue::Literal(LiteralBits::Int(
-                                                "4294967295".to_string(),
-                                            ))],
-                                        }],
-                                    },
-                                ],
-                            }],
-                        },
-                    ),
-                    (
-                        "type_realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1358)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 2656, 2959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1360),
-            name: Some("go_integer_inhabit_int_platform_dependent".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(988),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(988)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "kernel_integer".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    (
-                        "algebra".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    (
-                        "bound".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2292),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "type_realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1357)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 3397, 3598),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1361),
-            name: Some("go_bool".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(124)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("bool".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 3600, 3731),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1362),
-            name: Some("go_string".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(227)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("string".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 3733, 3870),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1363),
-            name: Some("go_node_id".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(735)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("NodeId".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 3872, 4010),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1364),
-            name: Some("go_port_id".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(736)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PortId".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 4012, 4150),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1365),
-            name: Some("go_declaration_id".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(737)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("DeclarationId".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 4152, 4311),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1366),
-            name: Some("go_cluster_id".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(738)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ClusterId".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 4313, 4460),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1367),
-            name: Some("go_type_shape".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(789)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TypeShape".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("declaration".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "declaration".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 4462, 4703),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1368),
-            name: Some("go_port_state".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(791)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PortState".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 4705, 4853),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1369),
-            name: Some("go_port".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(792)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("DagPort".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("state".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "state".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "produced_by".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "produced_by".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 4855, 5238),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1370),
-            name: Some("go_source_span".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(155)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SourceSpan".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("file".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "file".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("start".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "byte_start".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("end".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "byte_end".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 5240, 5634),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1371),
-            name: Some("go_literal_bits".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(793)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LiteralBits".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 5636, 5790),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1372),
-            name: Some("go_atom_payload".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(794)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("AtomPayload".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 5792, 5946),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1373),
-            name: Some("go_cardinality_bound".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(801)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CardinalityBound".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 5948, 6117),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1374),
-            name: Some("go_interval".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(797)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Interval".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 6119, 6263),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1375),
-            name: Some("go_positive_interval_width".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(795)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "PositiveIntervalWidth".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 6265, 6450),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1376),
-            name: Some("go_interval_width".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(796)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("IntervalWidth".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 6452, 6612),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1377),
-            name: Some("go_conj_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(802)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ConjField".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("label".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "label".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 6614, 6916),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1378),
-            name: Some("go_template_argument".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(803)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TemplateArgument".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "parameter".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "parameter".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 6918, 7255),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1379),
-            name: Some("go_phantom_parameter".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(811)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PhantomParameter".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "parameter".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "parameter".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("algebra".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "algebra".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 7257, 7598),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1380),
-            name: Some("go_nominal_opacity".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(812)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("NominalOpacity".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String(
-                                    "permitted_accessors".to_string(),
-                                )),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "permitted_accessors".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 7600, 7872),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1381),
-            name: Some("go_field_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(804)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FieldEntry".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("label".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "label".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 7874, 8185),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1382),
-            name: Some("go_non_empty_list".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(739)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("NonEmptyList".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("first".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "first".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("rest".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "rest".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 8187, 8503),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1383),
-            name: Some("go_non_singleton_list".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(741)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("NonSingletonList".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("first".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "first".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("second".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "second".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("rest".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "rest".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 8505, 8914),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1384),
-            name: Some("go_param_ref".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(822)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ParamRef".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("member".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "member_of".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("slot".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "slot_of".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 8916, 9232),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1385),
-            name: Some("go_transform_ref".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(823)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TransformRef".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("node".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2294),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "node_id".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 9234, 9475),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1386),
-            name: Some("go_member_descent".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(826)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("MemberDescent".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("param".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "param".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 9477, 9718),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1387),
-            name: Some("go_intra_cluster_call".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(827)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("IntraClusterCall".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("transform".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "transform".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 9720, 9979),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1388),
-            name: Some("go_cluster".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(828)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Cluster".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("members".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "members".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "intra_cluster_calls".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "intra_cluster_calls".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 9981, 10314),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1389),
-            name: Some("go_field_value".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(805)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FieldValue".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 10316, 10467),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1390),
-            name: Some("go_value_body".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(806)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ValueBody".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 10469, 10617),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1391),
-            name: Some("go_arrow_body".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(808)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ArrowBody".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 10619, 10767),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1392),
-            name: Some("go_type_connective".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(809)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TypeConnective".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 10769, 10932),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1393),
-            name: Some("go_declaration".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(810)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Declaration".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "connective".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "connective".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "type_params".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "type_params".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "phantom_params".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "phantom_params".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "meta_tag".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "meta_tag".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "inhabits".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "inhabits".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "value_body".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value_body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "nominal_opacity".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "nominal_opacity".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 10934, 11951),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1394),
-            name: Some("go_arithmetic_op".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(813)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ArithmeticOp".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 11953, 12110),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1395),
-            name: Some("go_comparison_op".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(814)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ComparisonOp".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 12112, 12269),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1396),
-            name: Some("go_logical_op".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(816)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LogicalOp".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 12271, 12419),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1397),
-            name: Some("go_operator_kind".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(817)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("OperatorKind".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 12421, 12578),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1398),
-            name: Some("go_transform_target".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(818)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TransformTarget".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 12580, 12746),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1399),
-            name: Some("go_branch_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(819)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BranchPattern".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 12748, 12908),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1400),
-            name: Some("go_payload_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(820)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PayloadBinding".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "binding_name".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "binding_name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "payload_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "payload_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 12910, 13261),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1401),
-            name: Some("go_branch_path".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(821)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BranchPath".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("body".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("pattern".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "pattern".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("binding".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "binding".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 13263, 13750),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1402),
-            name: Some("go_loop_bound".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(829)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LoopBound".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 13752, 13900),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1403),
-            name: Some("go_value_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(831)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ValueNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("payload".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "payload".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 14374, 14848),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1404),
-            name: Some("go_transform_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(832)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TransformNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("target".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "target".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("inputs".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "inputs".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 14850, 15415),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1405),
-            name: Some("go_branch_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(834)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BranchNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("input".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "input".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("paths".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "paths".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "emit_participation".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "emit_participation".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 15417, 16074),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1406),
-            name: Some("go_loop_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(835)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LoopNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("source".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "source".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("init".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "init".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("body".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("bound".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "bound".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 16076, 16778),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1407),
-            name: Some("go_bind_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(837)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BindNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("params".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "params".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "emit_participation".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "emit_participation".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 16780, 17431),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1408),
-            name: Some("go_behavior".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(838)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Behavior".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 17433, 17577),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1409),
-            name: Some("go_dag".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(839)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Dag".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "declarations".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "declarations".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("nodes".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "nodes".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ports".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ports".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "clusters".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "clusters".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 17579, 18046),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1410),
-            name: Some("go_surface_module".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1116)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceModule".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("items".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "items".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 18349, 18590),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1411),
-            name: Some("go_surface_item".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1130)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceItem".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 18592, 18746),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1412),
-            name: Some("go_surface_param".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1117)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceParam".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "refinement".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "refinement".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 18748, 19146),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1413),
-            name: Some("go_surface_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1118)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceField".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 19148, 19457),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1414),
-            name: Some("go_surface_variant".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1119)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceVariant".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("payload".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "payload".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 19459, 19861),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1415),
-            name: Some("go_variant_payload".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1120)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("VariantPayload".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 19863, 20026),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1416),
-            name: Some("go_surface_type".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1122)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceType".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 20028, 20182),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1417),
-            name: Some("go_surface_record_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1123)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceRecordField".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 20184, 20595),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1418),
-            name: Some("go_surface_map_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1124)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceMapEntry".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("key".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "key".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "key_span".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "key_span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 20597, 21082),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1419),
-            name: Some("go_surface_match_arm".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1125)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceMatchArm".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("pattern".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "pattern".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("body".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 21084, 21490),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1420),
-            name: Some("go_surface_pattern_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1126)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfacePatternField".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("binding".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "binding".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 21492, 21910),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1421),
-            name: Some("go_surface_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1127)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfacePattern".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 21912, 22075),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1422),
-            name: Some("go_surface_literal".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1128)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceLiteral".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 22077, 22240),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1423),
-            name: Some("go_surface_expr".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1129)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceExpr".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 22242, 22396),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1424),
-            name: Some("go_int_add".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
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-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} + {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            span: SourceSpan::new("src/v3/spec/go.dag", 22398, 22539),
-        });
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-            id: DeclarationId(1425),
-            name: Some("go_int_sub".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(350))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} - {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/go.dag", 22541, 22682),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1426),
-            name: Some("go_int_mul".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(352))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} * {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/go.dag", 22684, 22825),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1427),
-            name: Some("go_int_div".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v3intdiv({lhs}, {rhs})".to_string(),
-                        )),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
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-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/go.dag", 22827, 22975),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1428),
-            name: Some("go_int_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/go.dag", 22977, 23117),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1429),
-            name: Some("go_node_id_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(735)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/go.dag", 23119, 23266),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1430),
-            name: Some("go_port_id_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(736)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/go.dag", 23268, 23415),
-        });
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-            id: DeclarationId(1431),
-            name: Some("go_declaration_id_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(737)),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 23417, 23578),
-        });
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-            id: DeclarationId(1432),
-            name: Some("go_int_ne".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} != {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
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-            span: SourceSpan::new("src/v3/spec/go.dag", 23580, 23720),
-        });
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-            id: DeclarationId(1433),
-            name: Some("go_node_id_ne".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(735)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} != {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            span: SourceSpan::new("src/v3/spec/go.dag", 23722, 23869),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1434),
-            name: Some("go_port_id_ne".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(736)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(357))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} != {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
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-            span: SourceSpan::new("src/v3/spec/go.dag", 23871, 24018),
-        });
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-            id: DeclarationId(1435),
-            name: Some("go_declaration_id_ne".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(737)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} != {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            span: SourceSpan::new("src/v3/spec/go.dag", 24020, 24181),
-        });
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-            name: Some("go_int_lt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
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-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} < {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            span: SourceSpan::new("src/v3/spec/go.dag", 24183, 24322),
-        });
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-            id: DeclarationId(1437),
-            name: Some("go_int_le".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
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-                    (
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-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(359))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} <= {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 24324, 24464),
-        });
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-            id: DeclarationId(1438),
-            name: Some("go_int_gt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(360))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} > {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 24466, 24605),
-        });
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-            id: DeclarationId(1439),
-            name: Some("go_int_ge".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} >= {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 24607, 24747),
-        });
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-            id: DeclarationId(1440),
-            name: Some("go_bool_meet".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
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-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} && {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 24749, 24898),
-        });
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-            id: DeclarationId(1441),
-            name: Some("go_bool_join".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
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-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(124)),
-                    ),
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-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} || {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 24900, 25049),
-        });
-        declarations.push(Declaration {
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-            name: Some("go_let_stmt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(993),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(993)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1351)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "var {name} {type} = {value}".to_string(),
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-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                    ),
-                ],
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 25051, 25184),
-        });
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-            id: DeclarationId(1443),
-            name: Some("go_if_expr".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(993),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(993)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1349)),
-                    ),
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-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "if {cond} { {then} } else { {else} }".to_string(),
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-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 25186, 25329),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1444),
-            name: Some("go_main_wrap".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(993),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(993)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1352)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "func main() {\n{body}\nfmt.Println({final})\n}".to_string(),
-                        )),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 25331, 25484),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1445),
-            name: Some("go_empty_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(701)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2306),
-                            payload: vec![],
-                        },
-                    ),
-                    ("parameters".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 25486, 25624),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1446),
-            name: Some("go_singleton_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(705)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2307),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "slot".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "disposition".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2297),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 25626, 25818),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1447),
-            name: Some("go_cons_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(703)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2308),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2297),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2297),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 25820, 26037),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1448),
-            name: Some("go_concat_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(713)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2309),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2297),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2297),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 26039, 26262),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1449),
-            name: Some("go_length_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(723)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "slot".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "disposition".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2296),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 26264, 26447),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1450),
-            name: Some("go_list_instantiation".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1002),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1002)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(699)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("[]{element}".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 26449, 26585),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1451),
-            name: Some("go_result_instantiation".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1002),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1002)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(11)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v3Result[{key}, {value}]".to_string(),
-                        )),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 27271, 27424),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1452),
-            name: Some("go_map_instantiation".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1002),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1002)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(133)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("map[{key}]{value}".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 27426, 27566),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1453),
-            name: Some("go_is_empty_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(725)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2311),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "slot".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "disposition".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2296),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 27568, 27756),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1454),
-            name: Some("go_fold_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(707)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2297),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("2".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 27758, 28015),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1455),
-            name: Some("go_map_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(715)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2313),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 28017, 28231),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1456),
-            name: Some("go_filter_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(718)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2314),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 28233, 28456),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1457),
-            name: Some("go_contains_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(733)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2315),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 28458, 28687),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1458),
-            name: Some("go_list_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1004),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1004)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(699)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "empty_variant".to_string(),
-                        FieldValue::Reference(DeclarationId(1870)),
-                    ),
-                    (
-                        "cons_variant".to_string(),
-                        FieldValue::Reference(DeclarationId(1872)),
-                    ),
-                    (
-                        "scrutinee".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{expr}".to_string())),
-                    ),
-                    (
-                        "empty_pattern".to_string(),
-                        FieldValue::Literal(LiteralBits::String("len({expr}) == 0".to_string())),
-                    ),
-                    (
-                        "cons_pattern".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{expr}".to_string())),
-                    ),
-                    (
-                        "head_expr".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{list}[0]".to_string())),
-                    ),
-                    (
-                        "tail_expr".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{list}[1:]".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 28774, 29080),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1459),
-            name: Some("go_statements".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1006),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1006)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "let_binding".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "var {name} {type} = {value}".to_string(),
-                        )),
-                    ),
-                    (
-                        "let_binding_inferred".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name} := {value}".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 29082, 29212),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1460),
-            name: Some("go_expressions".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1007),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1007)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "field_access".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({object}).{field}".to_string())),
-                    ),
-                    (
-                        "function_call".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{func}({args})".to_string())),
-                    ),
-                    (
-                        "closure".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "func({params}) { return {body} }".to_string(),
-                        )),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 29214, 29374),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1461),
-            name: Some("go_control_flow".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1009),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1009)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "if_else".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "if {cond} { {then} } else { {else} }".to_string(),
-                        )),
-                    ),
-                    (
-                        "match_arm".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{pattern}: return {body}".to_string(),
-                        )),
-                    ),
-                    (
-                        "for_each_syntax".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "prefix".to_string(),
-                                FieldValue::Literal(LiteralBits::String("for _, ".to_string())),
-                            ),
-                            (
-                                "separator".to_string(),
-                                FieldValue::Literal(LiteralBits::String(" := range ".to_string())),
-                            ),
-                        ]),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 29376, 29577),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1462),
-            name: Some("go_literals".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1010),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1010)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "true_keyword".to_string(),
-                        FieldValue::Literal(LiteralBits::String("true".to_string())),
-                    ),
-                    (
-                        "false_keyword".to_string(),
-                        FieldValue::Literal(LiteralBits::String("false".to_string())),
-                    ),
-                    (
-                        "string_delimiter".to_string(),
-                        FieldValue::Literal(LiteralBits::String("%Q".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 29579, 29689),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1463),
-            name: Some("go_modules".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1011),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1011)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "path_separator".to_string(),
-                    FieldValue::Literal(LiteralBits::String(".".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 29691, 29748),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1464),
-            name: Some("go_functions".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1012),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1012)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "definition".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "func {name}({params}) {ret} { return {body} }".to_string(),
-                        )),
-                    ),
-                    (
-                        "definition_exported".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "func {name}({params}) {ret} { return {body} }".to_string(),
-                        )),
-                    ),
-                    (
-                        "definition_void".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "func {name}({params}) { {body} }".to_string(),
-                        )),
-                    ),
-                    (
-                        "param_with_type".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name} {type}".to_string())),
-                    ),
-                    (
-                        "param_separator".to_string(),
-                        FieldValue::Literal(LiteralBits::String(", ".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 29750, 30035),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1465),
-            name: Some("go_type_applications".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1013),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1013)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "optional".to_string(),
-                    FieldValue::Literal(LiteralBits::String("*{element}".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 30037, 30116),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1466),
-            name: Some("go_type_defs".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1014),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1014)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "struct_def".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "type {name} struct { {fields} }".to_string(),
-                        )),
-                    ),
-                    (
-                        "struct_field".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name} {type}".to_string())),
-                    ),
-                    (
-                        "enum_def".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "type {name} interface{}".to_string(),
-                        )),
-                    ),
-                    (
-                        "enum_unit_variant".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}".to_string())),
-                    ),
-                    (
-                        "enum_data_variant".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 30118, 30341),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1467),
-            name: Some("go_patterns".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1016),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1016)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "match_expr".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{expr}".to_string())),
-                    ),
-                    (
-                        "match_arm".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{pattern}: return {body}".to_string(),
-                        )),
-                    ),
-                    (
-                        "variant_pattern".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}".to_string())),
-                    ),
-                    (
-                        "variant_pattern_positional".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}".to_string())),
-                    ),
-                    (
-                        "variant_pattern_empty".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}".to_string())),
-                    ),
-                    (
-                        "field_binding".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{field}: {binding}".to_string())),
-                    ),
-                    (
-                        "field_binding_separator".to_string(),
-                        FieldValue::Literal(LiteralBits::String(", ".to_string())),
-                    ),
-                    (
-                        "wildcard".to_string(),
-                        FieldValue::Literal(LiteralBits::String("_".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 30343, 30635),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1468),
-            name: Some("go_collection_ops".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1017),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1017)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "concat_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1087)),
-                    ),
-                    (
-                        "length_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1088)),
-                    ),
-                    (
-                        "is_empty_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1089)),
-                    ),
-                    (
-                        "fold_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1090)),
-                    ),
-                    (
-                        "filter_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1092)),
-                    ),
-                    (
-                        "flat_map_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1095)),
-                    ),
-                    (
-                        "any_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1093)),
-                    ),
-                    (
-                        "all_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1094)),
-                    ),
-                    (
-                        "map_contract".to_string(),
-                        FieldValue::Reference(DeclarationId(1091)),
-                    ),
-                    (
-                        "filter".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "/* filter({recv}, {body}) */".to_string(),
-                        )),
-                    ),
-                    (
-                        "contains".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "/* contains({recv}, {item}) */".to_string(),
-                        )),
-                    ),
-                    (
-                        "empty_list".to_string(),
-                        FieldValue::Literal(LiteralBits::String("nil".to_string())),
-                    ),
-                    (
-                        "list_literal".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "[]{element_type}{{{elements}}}".to_string(),
-                        )),
-                    ),
-                    (
-                        "cons".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "append([]{element_type}{{{head}}}, {tail}...)".to_string(),
-                        )),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 30637, 31402),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1469),
-            name: Some("go_value_construction".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1018),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1018)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "struct_literal".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{type}{{ {fields} }}".to_string(),
-                        )),
-                    ),
-                    (
-                        "struct_field_init".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}: {value}".to_string())),
-                    ),
-                    (
-                        "struct_field_separator".to_string(),
-                        FieldValue::Literal(LiteralBits::String(", ".to_string())),
-                    ),
-                    (
-                        "variant_construction".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{variant}({args})".to_string())),
-                    ),
-                    (
-                        "variant_named_construction".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{variant}{{ {fields} }}".to_string(),
-                        )),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 31404, 31672),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1470),
-            name: Some("go_record_derive_templates".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1015),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1015)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "struct_def_no_debug".to_string(),
-                        FieldValue::Literal(LiteralBits::String("".to_string())),
-                    ),
-                    (
-                        "enum_def_no_debug".to_string(),
-                        FieldValue::Literal(LiteralBits::String("".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 32429, 32544),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1471),
-            name: Some("go_language".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1022),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1022)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "statements".to_string(),
-                        FieldValue::Reference(DeclarationId(1459)),
-                    ),
-                    (
-                        "expressions".to_string(),
-                        FieldValue::Reference(DeclarationId(1460)),
-                    ),
-                    (
-                        "control_flow".to_string(),
-                        FieldValue::Reference(DeclarationId(1461)),
-                    ),
-                    (
-                        "literals".to_string(),
-                        FieldValue::Reference(DeclarationId(1462)),
-                    ),
-                    (
-                        "modules".to_string(),
-                        FieldValue::Reference(DeclarationId(1463)),
-                    ),
-                    (
-                        "functions".to_string(),
-                        FieldValue::Reference(DeclarationId(1464)),
-                    ),
-                    (
-                        "type_applications".to_string(),
-                        FieldValue::Reference(DeclarationId(1465)),
-                    ),
-                    (
-                        "type_definitions".to_string(),
-                        FieldValue::Reference(DeclarationId(1466)),
-                    ),
-                    (
-                        "record_derive_templates".to_string(),
-                        FieldValue::Reference(DeclarationId(1470)),
-                    ),
-                    (
-                        "patterns".to_string(),
-                        FieldValue::Reference(DeclarationId(1467)),
-                    ),
-                    (
-                        "collection_ops".to_string(),
-                        FieldValue::Reference(DeclarationId(1468)),
-                    ),
-                    (
-                        "values".to_string(),
-                        FieldValue::Reference(DeclarationId(1469)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 32546, 32965),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1472),
-            name: Some("go_correction_style".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1035),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1035)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "indent_unit".to_string(),
-                        FieldValue::Literal(LiteralBits::String("\t".to_string())),
-                    ),
-                    (
-                        "line_ending".to_string(),
-                        FieldValue::Literal(LiteralBits::String("\n".to_string())),
-                    ),
-                    (
-                        "string_quote".to_string(),
-                        FieldValue::Literal(LiteralBits::String("%Q".to_string())),
-                    ),
-                    (
-                        "trailing_semicolon".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 34632, 34768),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1473),
-            name: Some("go_clean_emission".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1026),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1026)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "expression_wrapping".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2327),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "pattern_bindings".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2330),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "variant_payload_field_access".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2333),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "imports".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2336),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "block_return".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2340),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "variable_bindings".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2342),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "match_arm_body".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2346),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "correction_style".to_string(),
-                        FieldValue::Reference(DeclarationId(1472)),
-                    ),
-                    (
-                        "post_emit_verifier".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "command".to_string(),
-                                FieldValue::Literal(LiteralBits::String("gofmt".to_string())),
-                            ),
-                            (
-                                "args".to_string(),
-                                FieldValue::List(vec![FieldValue::Literal(LiteralBits::String(
-                                    "-l".to_string(),
-                                ))]),
-                            ),
-                            (
-                                "syntax_only".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(true)),
-                            ),
-                            (
-                                "expected_exit_code".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "output_policy".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2349),
-                                    payload: vec![],
-                                },
-                            ),
-                        ]),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/go.dag", 34770, 35328),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1474),
-            name: Some("go_clean_emission_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1027),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1027)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1471)),
-                    ),
-                    (
-                        "clean_emission".to_string(),
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-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 9621, 9870),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1511),
-            name: Some("python_surface_item".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1130)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceItem".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 9872, 10034),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1512),
-            name: Some("python_surface_param".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1117)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceParam".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "refinement".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "refinement".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 10036, 10442),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1513),
-            name: Some("python_surface_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1118)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceField".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 10444, 10761),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1514),
-            name: Some("python_surface_variant".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1119)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceVariant".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("payload".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "payload".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 10763, 11173),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1515),
-            name: Some("python_variant_payload".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1120)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("VariantPayload".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 11175, 11346),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1516),
-            name: Some("python_surface_type".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1122)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceType".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 11348, 11510),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1517),
-            name: Some("python_surface_record_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1123)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceRecordField".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 11512, 11931),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1518),
-            name: Some("python_surface_map_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1124)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceMapEntry".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("key".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "key".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "key_span".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "key_span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 11933, 12426),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1519),
-            name: Some("python_surface_match_arm".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1125)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceMatchArm".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("pattern".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "pattern".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("body".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 12428, 12842),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1520),
-            name: Some("python_surface_pattern_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1126)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfacePatternField".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("binding".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "binding".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 12844, 13270),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1521),
-            name: Some("python_surface_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1127)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfacePattern".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 13272, 13443),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1522),
-            name: Some("python_surface_literal".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1128)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceLiteral".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 13445, 13616),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1523),
-            name: Some("python_surface_expr".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1129)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SurfaceExpr".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 13618, 13780),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1524),
-            name: Some("python_int_add".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(349))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} + {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 13782, 13931),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1525),
-            name: Some("python_int_sub".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(350))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} - {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 13933, 14082),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1526),
-            name: Some("python_int_mul".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(352))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} * {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 14084, 14233),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1527),
-            name: Some("python_int_div".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(354))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "(__v3_idiv({lhs}, {rhs}))".to_string(),
-                        )),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 14235, 14394),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1528),
-            name: Some("python_int_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(356))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 14396, 14544),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1529),
-            name: Some("python_node_id_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(735)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(356))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 14546, 14701),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1530),
-            name: Some("python_port_id_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(736)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(356))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 14703, 14858),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1531),
-            name: Some("python_declaration_id_eq".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(737)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(356))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} == {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 14860, 15029),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1532),
-            name: Some("python_int_ne".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(357))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} != {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 15031, 15179),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1533),
-            name: Some("python_int_lt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(358))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} < {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 15181, 15328),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1534),
-            name: Some("python_int_le".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(359))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} <= {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 15330, 15478),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1535),
-            name: Some("python_int_gt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(360))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} > {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 15480, 15627),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1536),
-            name: Some("python_int_ge".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(361))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} >= {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 15629, 15777),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1537),
-            name: Some("python_bool_meet".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(124)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(371))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} and {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 15779, 15937),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1538),
-            name: Some("python_bool_join".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(124)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(372))),
-                    (
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-        });
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-            },
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-                        FieldValue::Reference(DeclarationId(1487)),
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-                    (
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-                        FieldValue::Reference(DeclarationId(1487)),
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-            name: Some("python_cons_callable".to_string()),
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-                        FieldValue::Reference(DeclarationId(1487)),
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-                        FieldValue::Reference(DeclarationId(703)),
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-                                    "slot".to_string(),
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-        });
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-            id: DeclarationId(1542),
-            name: Some("python_concat_callable".to_string()),
-            connective: TypeConnective::Instantiation {
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-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(713)),
-                    ),
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-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
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-                                (
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-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2297),
-                                        payload: vec![],
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-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-        });
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-            name: Some("python_length_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
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-            phantom_params: Vec::new(),
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(723)),
-                    ),
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-                    (
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-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
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-                            (
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-                                    constructor: DeclarationId(2296),
-                                    payload: vec![],
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-                    (
-                        "cost".to_string(),
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-        });
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-            name: Some("python_is_empty_callable".to_string()),
-            connective: TypeConnective::Instantiation {
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-            phantom_params: Vec::new(),
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-            inhabits: None,
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(725)),
-                    ),
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-                        "strategy".to_string(),
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-                    (
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-                            (
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-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
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-                            (
-                                "disposition".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2296),
-                                    payload: vec![],
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-                            ),
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-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            span: SourceSpan::new("src/v3/spec/python.dag", 17101, 17297),
-        });
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-            id: DeclarationId(1545),
-            name: Some("python_fold_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
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-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
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-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(707)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
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-                    (
-                        "parameters".to_string(),
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-                            FieldValue::Record(vec![
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-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
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-                                (
-                                    "disposition".to_string(),
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-                                        constructor: DeclarationId(2296),
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-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2297),
-                                        payload: vec![],
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-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("2".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
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-                                        payload: vec![],
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-                    (
-                        "cost".to_string(),
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-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 17299, 17564),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1546),
-            name: Some("python_map_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(715)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
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-                    (
-                        "parameters".to_string(),
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-                            FieldValue::Record(vec![
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-                                (
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-                                        constructor: DeclarationId(2296),
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-                                (
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-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-                                (
-                                    "disposition".to_string(),
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-            name: Some("python_filter_callable".to_string()),
-            connective: TypeConnective::Instantiation {
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-            },
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-            meta_tag: Some(DeclarationId(994)),
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-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
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-                    (
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-                        FieldValue::Reference(DeclarationId(718)),
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-                    (
-                        "parameters".to_string(),
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-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
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-                                (
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-                                        constructor: DeclarationId(2296),
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-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                    (
-                        "cost".to_string(),
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-            span: SourceSpan::new("src/v3/spec/python.dag", 17790, 18021),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1548),
-            name: Some("python_contains_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(733)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2315),
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-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                    (
-                        "cost".to_string(),
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-            span: SourceSpan::new("src/v3/spec/python.dag", 18023, 18260),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1549),
-            name: Some("python_list_instantiation".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1002),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1002)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(699)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("list[{element}]".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 18262, 18410),
-        });
-        declarations.push(Declaration { id: DeclarationId(1550), name: Some("python_result_instantiation".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1002), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1002)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("language".to_string(), FieldValue::Reference(DeclarationId(1487))), ("target".to_string(), FieldValue::Reference(DeclarationId(11))), ("carrier".to_string(), FieldValue::Literal(LiteralBits::String("typing.Union[typing.Tuple[typing.Literal['Ok'], {key}], typing.Tuple[typing.Literal['Err'], {value}]]".to_string()))), ("cost".to_string(), FieldValue::Literal(LiteralBits::Int("1".to_string())))] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/spec/python.dag", 18526, 18764) });
-        declarations.push(Declaration {
-            id: DeclarationId(1551),
-            name: Some("python_non_empty_list_instantiation".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1002),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1002)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(739)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "NonEmptyList[{element}]".to_string(),
-                        )),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 18855, 19029),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1552),
-            name: Some("python_non_singleton_list_instantiation".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1002),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1002)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1487)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(741)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "NonSingletonList[{element}]".to_string(),
-                        )),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/python.dag", 19031, 19217),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1553),
-            name: Some("python_list_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1004),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1004)),
-            specialization_parent: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 12462, 12858),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1587),
-            name: Some("rust_source_span".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(155)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("SourceSpan".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("file".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "file".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("start".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "byte_start".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("end".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "byte_end".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 12860, 13258),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1588),
-            name: Some("rust_literal_bits".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(793)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LiteralBits".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 13260, 13418),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1589),
-            name: Some("rust_atom_payload".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(794)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("AtomPayload".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 13420, 13578),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1590),
-            name: Some("rust_cardinality_bound".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(801)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CardinalityBound".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 13580, 13753),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1591),
-            name: Some("rust_interval".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(797)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Interval".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 13755, 13903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1592),
-            name: Some("rust_positive_interval_width".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(795)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "PositiveIntervalWidth".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 13905, 14094),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1593),
-            name: Some("rust_interval_width".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(796)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("IntervalWidth".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 14096, 14260),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1594),
-            name: Some("rust_conj_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(802)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Field".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("label".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "label".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 14262, 14564),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1595),
-            name: Some("rust_template_argument".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(803)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TemplateArgument".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "parameter".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "parameter".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 14566, 14907),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1596),
-            name: Some("rust_phantom_parameter".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(811)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PhantomParameter".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "parameter".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "parameter".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("algebra".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "algebra".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 14909, 15254),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1597),
-            name: Some("rust_nominal_opacity".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(812)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("NominalOpacity".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String(
-                                    "permitted_accessors".to_string(),
-                                )),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "permitted_accessors".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 15256, 15532),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1598),
-            name: Some("rust_field_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(804)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "(String, FieldValue)".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("label".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "0".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "1".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 15534, 15851),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1599),
-            name: Some("rust_non_empty_list".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(739)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("NonEmptyList".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("first".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "first".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("rest".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "rest".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 15853, 16173),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1600),
-            name: Some("rust_non_singleton_list".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(741)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("NonSingletonList".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("first".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "first".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("second".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "second".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("rest".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "rest".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 16175, 16588),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1601),
-            name: Some("rust_element_ref".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(824)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ElementRef".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("index".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2294),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "index_of".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 16590, 16831),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1602),
-            name: Some("rust_param_ref".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(822)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ParamRef".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("member".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "member_of".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("slot".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "slot_of".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 16833, 17153),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1603),
-            name: Some("rust_transform_ref".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(823)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TransformRef".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("node".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2294),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "node_id".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 17155, 17400),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1604),
-            name: Some("rust_member_descent".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(826)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("MemberDescent".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("param".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "param".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 17402, 17647),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1605),
-            name: Some("rust_intra_cluster_call".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(827)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("IntraClusterCall".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("transform".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "transform".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 17649, 17912),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1606),
-            name: Some("rust_cluster".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(828)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Cluster".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("members".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "members".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "intra_cluster_calls".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "intra_cluster_calls".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 17914, 18251),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1607),
-            name: Some("rust_field_value".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(805)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FieldValue".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 18253, 18408),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1608),
-            name: Some("rust_value_body".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(806)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ValueBody".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 18410, 18562),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1609),
-            name: Some("rust_arrow_body".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(808)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ArrowBody".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 18564, 18716),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1610),
-            name: Some("rust_type_connective".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(809)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TypeConnective".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 18718, 18885),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1611),
-            name: Some("rust_declaration".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(810)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Declaration".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "connective".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "connective".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "type_params".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "type_params".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "phantom_params".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "phantom_params".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "meta_tag".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "meta_tag".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "inhabits".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "inhabits".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "value_body".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value_body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "nominal_opacity".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "nominal_opacity".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 18887, 19908),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1612),
-            name: Some("rust_arithmetic_op".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(813)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ArithmeticOp".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 19910, 20071),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1613),
-            name: Some("rust_comparison_op".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(814)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ComparisonOp".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 20073, 20234),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1614),
-            name: Some("rust_logical_op".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(816)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LogicalOp".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 20236, 20388),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1615),
-            name: Some("rust_operator_kind".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(817)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("OperatorKind".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 20390, 20551),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1616),
-            name: Some("rust_transform_target".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(818)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TransformTarget".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 20553, 20723),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1617),
-            name: Some("rust_branch_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(819)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BranchPattern".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 20725, 20889),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1618),
-            name: Some("rust_payload_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(820)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PayloadBinding".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "binding_name".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "binding_name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "payload_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "payload_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 20891, 21246),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1619),
-            name: Some("rust_branch_path".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(821)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Path".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("body".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("pattern".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "pattern".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("binding".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "binding".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 21248, 21736),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1620),
-            name: Some("rust_key_source".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(756)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("KeySource".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 21738, 21890),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1621),
-            name: Some("rust_idempotent_shape".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(750)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("IdempotentShape".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 21892, 22062),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1622),
-            name: Some("rust_effect_shape".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(752)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("EffectShape".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 22064, 22222),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1623),
-            name: Some("rust_composition_verdict".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(760)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CompositionVerdict".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 22224, 22403),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1624),
-            name: Some("rust_workflow_effect".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(777)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("WorkflowEffect".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 22405, 22572),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1625),
-            name: Some("rust_parallelism_unsupported_kind".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(781)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "ParallelismUnsupportedKind".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 22574, 22777),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1626),
-            name: Some("rust_workflow_parallelism_report".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(783)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "WorkflowParallelismReport".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 22779, 22980),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1627),
-            name: Some("rust_loop_bound".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(829)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LoopBound".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 22982, 23134),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1628),
-            name: Some("rust_value_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(831)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("ValueNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("payload".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "data".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "lane2_workflow".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "lane2_workflow".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(true)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 23136, 23909),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1629),
-            name: Some("rust_transform_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(832)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("TransformNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("target".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "target".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("inputs".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "inputs".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 23911, 24483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1630),
-            name: Some("rust_branch_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(834)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BranchNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("input".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "input".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("paths".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "paths".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "emit_participation".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "emit_participation".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 24485, 25152),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1631),
-            name: Some("rust_loop_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(835)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("LoopNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("source".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "source".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("init".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "init".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("body".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("bound".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "bound".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 25154, 25863),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1632),
-            name: Some("rust_bind_node".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(837)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BindNode".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("id".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "id".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "result_port".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "result_port".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("params".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "params".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "lane2_workflow".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "lane2_workflow".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(true)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "emit_participation".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "emit_participation".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 25865, 26625),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1633),
-            name: Some("rust_behavior".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(838)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Behavior".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 26627, 26775),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1634),
-            name: Some("rust_dag".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(839)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Dag".to_string())),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "declarations".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "declarations".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(true)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("nodes".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "nodes".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(true)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ports".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ports".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "clusters".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2294),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "clusters".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(true)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 26777, 27257),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1635),
-            name: Some("rust_surface_module".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1116)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceModule".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "dag_name".to_string(),
-                                FieldValue::Literal(LiteralBits::String("items".to_string())),
-                            ),
-                            (
-                                "access".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2293),
-                                    payload: vec![FieldValue::Literal(LiteralBits::String(
-                                        "items".to_string(),
-                                    ))],
-                                },
-                            ),
-                            (
-                                "borrowed_read".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                        ])]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 27470, 27730),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1636),
-            name: Some("rust_surface_item".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1130)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceItem".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 27732, 27905),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1637),
-            name: Some("rust_surface_param".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1117)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceParam".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "refinement".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "refinement".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 27907, 28324),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1638),
-            name: Some("rust_surface_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1118)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceField".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("ty".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "ty".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 28326, 28654),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1639),
-            name: Some("rust_surface_variant".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1119)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceVariant".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("payload".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "payload".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 28656, 29077),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1640),
-            name: Some("rust_variant_payload".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1120)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::VariantPayload".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 29079, 29261),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1641),
-            name: Some("rust_surface_type".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1122)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceType".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 29263, 29436),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1642),
-            name: Some("rust_surface_record_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1123)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceRecordField".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 29438, 29868),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1643),
-            name: Some("rust_surface_map_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1124)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceMapEntry".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("key".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "key".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "key_span".to_string(),
-                                    )),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "key_span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("value".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "value".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 29870, 30374),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1644),
-            name: Some("rust_surface_match_arm".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1125)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceMatchArm".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("pattern".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "pattern".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("body".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "body".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 30376, 30801),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1645),
-            name: Some("rust_surface_pattern_field".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1126)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfacePatternField".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "fields".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("name".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "name".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("binding".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "binding".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "dag_name".to_string(),
-                                    FieldValue::Literal(LiteralBits::String("span".to_string())),
-                                ),
-                                (
-                                    "access".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2293),
-                                        payload: vec![FieldValue::Literal(LiteralBits::String(
-                                            "span".to_string(),
-                                        ))],
-                                    },
-                                ),
-                                (
-                                    "borrowed_read".to_string(),
-                                    FieldValue::Literal(LiteralBits::Bool(false)),
-                                ),
-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 30803, 31240),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1646),
-            name: Some("rust_surface_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1127)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfacePattern".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 31242, 31424),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1647),
-            name: Some("rust_surface_literal".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1128)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceLiteral".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 31426, 31608),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1648),
-            name: Some("rust_surface_expr".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(987),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(987)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(1129)),
-                    ),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "parse_surface::SurfaceExpr".to_string(),
-                        )),
-                    ),
-                    (
-                        "is_copy".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    ("fields".to_string(), FieldValue::List(vec![])),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 31610, 31783),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1649),
-            name: Some("rust_int_add".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(349))),
-                    (
-                        "carrier".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({lhs} + {rhs})".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 32638, 32783),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1650),
-            name: Some("rust_int_sub".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(992),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(992)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(87)),
-                    ),
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-            name: Some("rust_fold_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
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-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(707)),
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-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
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-                                (
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-                                        payload: vec![],
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-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
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-                                        payload: vec![],
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-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("2".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-        declarations.push(Declaration {
-            id: DeclarationId(1689),
-            name: Some("rust_map_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(715)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2313),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1690),
-            name: Some("rust_filter_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(718)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2314),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                            ]),
-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 42930, 43157),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1691),
-            name: Some("rust_contains_callable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(994),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(994)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(733)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2315),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "parameters".to_string(),
-                        FieldValue::List(vec![
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
-                                    },
-                                ),
-                            ]),
-                            FieldValue::Record(vec![
-                                (
-                                    "slot".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                                ),
-                                (
-                                    "disposition".to_string(),
-                                    FieldValue::Variant {
-                                        constructor: DeclarationId(2296),
-                                        payload: vec![],
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-                        ]),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 43159, 43392),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1692),
-            name: Some("rust_list_pattern".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1004),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1004)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "target".to_string(),
-                        FieldValue::Reference(DeclarationId(699)),
-                    ),
-                    (
-                        "strategy".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "empty_variant".to_string(),
-                        FieldValue::Reference(DeclarationId(1870)),
-                    ),
-                    (
-                        "cons_variant".to_string(),
-                        FieldValue::Reference(DeclarationId(1872)),
-                    ),
-                    (
-                        "scrutinee".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{expr}".to_string())),
-                    ),
-                    (
-                        "empty_pattern".to_string(),
-                        FieldValue::Literal(LiteralBits::String("[]".to_string())),
-                    ),
-                    (
-                        "cons_pattern".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "[{head}, {tail} @ ..]".to_string(),
-                        )),
-                    ),
-                    (
-                        "head_expr".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{head}".to_string())),
-                    ),
-                    (
-                        "tail_expr".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{tail}".to_string())),
-                    ),
-                    (
-                        "cost".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 43620, 43924),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1693),
-            name: Some("rust_statements".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1006),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1006)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "let_binding".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "let {name}: {type} = {value};".to_string(),
-                        )),
-                    ),
-                    (
-                        "let_binding_inferred".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "let {name} = {value};".to_string(),
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-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 43926, 44064),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1694),
-            name: Some("rust_expressions".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1007),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1007)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "field_access".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({object}).{field}".to_string())),
-                    ),
-                    (
-                        "function_call".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{func}({args})".to_string())),
-                    ),
-                    (
-                        "closure".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "|{params}| {{ {body} }}".to_string(),
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-        declarations.push(Declaration {
-            id: DeclarationId(1695),
-            name: Some("rust_control_flow".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1009),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1009)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "if_else".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "if {cond} { {then} } else { {else} }".to_string(),
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-                    ),
-                    (
-                        "match_arm".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{pattern} => {body},".to_string(),
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-                    (
-                        "for_each_syntax".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "prefix".to_string(),
-                                FieldValue::Literal(LiteralBits::String("for ".to_string())),
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-                            (
-                                "separator".to_string(),
-                                FieldValue::Literal(LiteralBits::String(" in ".to_string())),
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-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 44221, 44411),
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-        declarations.push(Declaration {
-            id: DeclarationId(1696),
-            name: Some("rust_literals".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1010),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1010)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "true_keyword".to_string(),
-                        FieldValue::Literal(LiteralBits::String("true".to_string())),
-                    ),
-                    (
-                        "false_keyword".to_string(),
-                        FieldValue::Literal(LiteralBits::String("false".to_string())),
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-                    (
-                        "string_delimiter".to_string(),
-                        FieldValue::Literal(LiteralBits::String("%Q".to_string())),
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-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 44413, 44525),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1697),
-            name: Some("rust_modules".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1011),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1011)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "path_separator".to_string(),
-                    FieldValue::Literal(LiteralBits::String("::".to_string())),
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-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 44527, 44587),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1698),
-            name: Some("rust_functions".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1012),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1012)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "definition".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "fn {name}({params}) -> {ret} { {body} }".to_string(),
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-                    ),
-                    (
-                        "definition_exported".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "pub fn {name}({params}) -> {ret} { {body} }".to_string(),
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-                    ),
-                    (
-                        "definition_void".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "fn {name}({params}) { {body} }".to_string(),
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-                    ),
-                    (
-                        "param_with_type".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}: {type}".to_string())),
-                    ),
-                    (
-                        "param_separator".to_string(),
-                        FieldValue::Literal(LiteralBits::String(", ".to_string())),
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-                ],
-            }),
-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 44589, 44867),
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-        declarations.push(Declaration {
-            id: DeclarationId(1699),
-            name: Some("rust_type_applications".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1013),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1013)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "optional".to_string(),
-                    FieldValue::Literal(LiteralBits::String("Option<{element}>".to_string())),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 44869, 44957),
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-        declarations.push(Declaration {
-            id: DeclarationId(1700),
-            name: Some("rust_type_defs".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1014),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1014)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "struct_def".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "#[derive(Clone, Debug)]\npub struct {name} { {fields} }".to_string(),
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-                    ),
-                    (
-                        "struct_field".to_string(),
-                        FieldValue::Literal(LiteralBits::String("pub {name}: {type},".to_string())),
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-                    (
-                        "enum_def".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "#[derive(Clone, Debug)]\npub enum {name} { {variants} }".to_string(),
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-                    ),
-                    (
-                        "enum_unit_variant".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name},".to_string())),
-                    ),
-                    (
-                        "enum_data_variant".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{name} { {fields} },".to_string(),
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-            refinement: None,
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-        declarations.push(Declaration {
-            id: DeclarationId(1701),
-            name: Some("rust_record_derive_templates".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1015),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1015)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "struct_def_no_debug".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "#[derive(Clone)]\npub struct {name} { {fields} }".to_string(),
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-                    ),
-                    (
-                        "enum_def_no_debug".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "#[derive(Clone)]\npub enum {name} { {variants} }".to_string(),
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-                    ),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 45263, 45476),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1702),
-            name: Some("rust_patterns".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1016),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1016)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "match_expr".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "match {expr} { {arms} }".to_string(),
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-                    ),
-                    (
-                        "match_arm".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{pattern} => {body},".to_string(),
-                        )),
-                    ),
-                    (
-                        "variant_pattern".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{name} {{ {bindings} }}".to_string(),
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-                    ),
-                    (
-                        "variant_pattern_positional".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}({binding})".to_string())),
-                    ),
-                    (
-                        "variant_pattern_empty".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}".to_string())),
-                    ),
-                    (
-                        "field_binding".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{field}: {binding}".to_string())),
-                    ),
-                    (
-                        "field_binding_separator".to_string(),
-                        FieldValue::Literal(LiteralBits::String(", ".to_string())),
-                    ),
-                    (
-                        "wildcard".to_string(),
-                        FieldValue::Literal(LiteralBits::String("_".to_string())),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 45478, 45813),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1703),
-            name: Some("rust_language_spec_free_monoid_concat_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(253)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{ let mut __left = {left}; __left.extend({right}); __left }"
-                                .to_string(),
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-                            ))],
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-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
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-                            constructor: DeclarationId(2323),
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-            id: DeclarationId(1704),
-            name: Some("rust_language_spec_free_monoid_length_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(271)),
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-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "({recv}).len() as i64".to_string(),
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-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "({recv}).len() as i64".to_string(),
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-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
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-            id: DeclarationId(1705),
-            name: Some("rust_language_spec_free_monoid_emptiness_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(267)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("({recv}).is_empty()".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "({recv}).is_empty()".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
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-            id: DeclarationId(1706),
-            name: Some("rust_language_spec_free_monoid_fold_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(263)),
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-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "({recv}).iter().fold({init}, {body})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "({recv}).iter().fold({init}, {body})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
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-            }),
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 46949, 47269),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1707),
-            name: Some("rust_language_spec_map_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(274)),
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-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "({recv}).iter().map({body}).collect::<Vec<_>>()".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2324),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "({recv}).iter().map({body}).collect::<Vec<_>>()".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2323),
-                            payload: vec![],
-                        },
-                    ),
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-            }),
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 47271, 47599),
-        });
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-            id: DeclarationId(1709),
-            name: Some("rust_value_construction".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1018),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1018)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "struct_literal".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{type} {{ {fields} }}".to_string(),
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-                    ),
-                    (
-                        "struct_field_init".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{name}: {value}".to_string())),
-                    ),
-                    (
-                        "struct_field_separator".to_string(),
-                        FieldValue::Literal(LiteralBits::String(", ".to_string())),
-                    ),
-                    (
-                        "variant_construction".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{variant}({args})".to_string())),
-                    ),
-                    (
-                        "variant_named_construction".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{variant} {{ {fields} }}".to_string(),
-                        )),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 48479, 48751),
-        });
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-            id: DeclarationId(1710),
-            name: Some("rust_rendering".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1019),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1019)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "read".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2318),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "construct".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2320),
-                            payload: vec![],
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-            }),
-            refinement: None,
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-            span: SourceSpan::new("src/v3/spec/rust.dag", 48753, 48834),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1711),
-            name: Some("rust_language".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1022),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1022)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "statements".to_string(),
-                        FieldValue::Reference(DeclarationId(1693)),
-                    ),
-                    (
-                        "expressions".to_string(),
-                        FieldValue::Reference(DeclarationId(1694)),
-                    ),
-                    (
-                        "control_flow".to_string(),
-                        FieldValue::Reference(DeclarationId(1695)),
-                    ),
-                    (
-                        "literals".to_string(),
-                        FieldValue::Reference(DeclarationId(1696)),
-                    ),
-                    (
-                        "modules".to_string(),
-                        FieldValue::Reference(DeclarationId(1697)),
-                    ),
-                    (
-                        "functions".to_string(),
-                        FieldValue::Reference(DeclarationId(1698)),
-                    ),
-                    (
-                        "type_applications".to_string(),
-                        FieldValue::Reference(DeclarationId(1699)),
-                    ),
-                    (
-                        "type_definitions".to_string(),
-                        FieldValue::Reference(DeclarationId(1700)),
-                    ),
-                    (
-                        "record_derive_templates".to_string(),
-                        FieldValue::Reference(DeclarationId(1701)),
-                    ),
-                    (
-                        "patterns".to_string(),
-                        FieldValue::Reference(DeclarationId(1702)),
-                    ),
-                    (
-                        "collection_ops".to_string(),
-                        FieldValue::Reference(DeclarationId(1708)),
-                    ),
-                    (
-                        "values".to_string(),
-                        FieldValue::Reference(DeclarationId(1709)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 48836, 49281),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1712),
-            name: Some("rust_correction_style".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1035),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1035)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "indent_unit".to_string(),
-                        FieldValue::Literal(LiteralBits::String("    ".to_string())),
-                    ),
-                    (
-                        "line_ending".to_string(),
-                        FieldValue::Literal(LiteralBits::String("\n".to_string())),
-                    ),
-                    (
-                        "string_quote".to_string(),
-                        FieldValue::Literal(LiteralBits::String("%Q".to_string())),
-                    ),
-                    (
-                        "trailing_semicolon".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 50705, 50844),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1713),
-            name: Some("rust_clean_emission".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1026),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1026)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "expression_wrapping".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2327),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "pattern_bindings".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2330),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "variant_payload_field_access".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2334),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "imports".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2336),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "block_return".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2339),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "variable_bindings".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2342),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "match_arm_body".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2345),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "correction_style".to_string(),
-                        FieldValue::Reference(DeclarationId(1712)),
-                    ),
-                    (
-                        "post_emit_verifier".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "command".to_string(),
-                                FieldValue::Literal(LiteralBits::String("rustc".to_string())),
-                            ),
-                            (
-                                "args".to_string(),
-                                FieldValue::List(vec![
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "--edition=2021".to_string(),
-                                    )),
-                                    FieldValue::Literal(LiteralBits::String("-D".to_string())),
-                                    FieldValue::Literal(LiteralBits::String(
-                                        "warnings".to_string(),
-                                    )),
-                                ]),
-                            ),
-                            (
-                                "syntax_only".to_string(),
-                                FieldValue::Literal(LiteralBits::Bool(false)),
-                            ),
-                            (
-                                "expected_exit_code".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "output_policy".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(2348),
-                                    payload: vec![],
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-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 50846, 51459),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1714),
-            name: Some("rust_clean_emission_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1027),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1027)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                    (
-                        "clean_emission".to_string(),
-                        FieldValue::Reference(DeclarationId(1713)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 51461, 51591),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1715),
-            name: Some("rust_port_accessor".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(840),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(840)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "carrier".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "({p0}).port_opt({p1}).cloned()".to_string(),
-                    )),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 52693, 52796),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1716),
-            name: Some("rust_node_accessor".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(840),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(840)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "carrier".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "({p0}).node_opt({p1}).cloned()".to_string(),
-                    )),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 52798, 52901),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1717),
-            name: Some("rust_resolve_producer_accessor".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(840),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(840)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "carrier".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "({p0}).resolve_producer_opt({p1}).cloned()".to_string(),
-                    )),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 52903, 53030),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1718),
-            name: Some("port_binding_rust".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(841),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(841)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "accessor".to_string(),
-                        FieldValue::Reference(DeclarationId(842)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1715)),
-                    ),
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 53032, 53163),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1719),
-            name: Some("node_binding_rust".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(841),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(841)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "accessor".to_string(),
-                        FieldValue::Reference(DeclarationId(843)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1716)),
-                    ),
-                    (
-                        "language".to_string(),
-                        FieldValue::Reference(DeclarationId(1711)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/rust.dag", 53165, 53296),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1720),
-            name: Some("resolve_producer_binding_rust".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(841),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(841)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "accessor".to_string(),
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-            inhabits: None,
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-                        "generated_file".to_string(),
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-            connective: TypeConnective::Instantiation {
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-                arguments: vec![],
-            },
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-            phantom_params: Vec::new(),
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-            connective: TypeConnective::Instantiation {
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-            phantom_params: Vec::new(),
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-            name: Some("lens_parallelism_entry".to_string()),
-            connective: TypeConnective::Instantiation {
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-                    (
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-                            "src/v3/lenses/parallelism.dag".to_string(),
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-                        "generated_file".to_string(),
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-                            "src/v3/compiler/src/lens_parallelism_generated.rs".to_string(),
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-            refinement: None,
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-            name: Some("lens_idempotency_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1759),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1759)),
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-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("idempotency".to_string())),
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-                    (
-                        "lens_file".to_string(),
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-                            "src/v3/lenses/idempotency.dag".to_string(),
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-                        "generated_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/compiler/src/lens_idempotency_generated.rs".to_string(),
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-            refinement: None,
-            nominal_opacity: None,
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-            id: DeclarationId(1766),
-            name: Some("lens_provenance_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1759),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1759)),
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-            value_body: Some(ValueBody::Structural {
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-                        FieldValue::Literal(LiteralBits::String("provenance".to_string())),
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-                    (
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-                        "generated_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/compiler/src/lens_provenance_generated.rs".to_string(),
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-            name: Some("lens_structural_resolution_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1759),
-                arguments: vec![],
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-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1759)),
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-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "lens_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/lenses/structural_resolution.dag".to_string(),
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-                    (
-                        "generated_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/compiler/src/lens_structural_resolution_generated.rs"
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-            name: Some("lens_unused_parameters_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1759),
-                arguments: vec![],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1759)),
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-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("unused_parameters".to_string())),
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-                    (
-                        "lens_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/lenses/unused_parameters.dag".to_string(),
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-                        "generated_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/compiler/src/lens_unused_parameters_generated.rs".to_string(),
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-            connective: TypeConnective::Instantiation {
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-                        FieldValue::Literal(LiteralBits::String("infer_helpers".to_string())),
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-                    (
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-                        "generated_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/compiler/src/infer_helpers_generated.rs".to_string(),
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-            name: Some("lens_variant_payload_entry".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1759),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1759)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("variant_payload".to_string())),
-                    ),
-                    (
-                        "lens_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/lenses/variant_payload.dag".to_string(),
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-                    (
-                        "generated_file".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "src/v3/compiler/src/variant_payload_generated.rs".to_string(),
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-                    ),
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1009, 1120),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1787),
-            name: Some("GitHubAuthToken".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "token".to_string(),
-                        ty: DeclarationId(143),
-                    },
-                    Field {
-                        label: "scopes".to_string(),
-                        ty: DeclarationId(2861),
-                    },
-                    Field {
-                        label: "expires_at".to_string(),
-                        ty: DeclarationId(2862),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1193, 1286),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1788),
-            name: Some("GitHubScope".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ScopeRepo".to_string(),
-                        ty: DeclarationId(2863),
-                    },
-                    Field {
-                        label: "ScopeGist".to_string(),
-                        ty: DeclarationId(2864),
-                    },
-                    Field {
-                        label: "ScopeWorkflow".to_string(),
-                        ty: DeclarationId(2865),
-                    },
-                    Field {
-                        label: "ScopeReadOrg".to_string(),
-                        ty: DeclarationId(2866),
-                    },
-                    Field {
-                        label: "ScopeReadUser".to_string(),
-                        ty: DeclarationId(2867),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1288, 1385),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1789),
-            name: Some("Pagination".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "per_page".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                    Field {
-                        label: "cursor".to_string(),
-                        ty: DeclarationId(2868),
-                    },
-                    Field {
-                        label: "has_next".to_string(),
-                        ty: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1510, 1580),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1790),
-            name: Some("GitHubPermission".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "PermRead".to_string(),
-                        ty: DeclarationId(2869),
-                    },
-                    Field {
-                        label: "PermWrite".to_string(),
-                        ty: DeclarationId(2870),
-                    },
-                    Field {
-                        label: "PermAdmin".to_string(),
-                        ty: DeclarationId(2871),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1653, 1709),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1791),
-            name: Some("default_api_base".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(227)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Scalar(LiteralBits::String(
-                "https://api.github.com".to_string(),
-            ))),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1782, 1838),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1792),
-            name: Some("default_per_page".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(87),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(87)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Scalar(LiteralBits::Int("30".to_string()))),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1840, 1871),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1793),
-            name: Some("max_per_page".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(87),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(87)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Scalar(LiteralBits::Int("100".to_string()))),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/github.dag", 1873, 1901),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1794),
-            name: Some("GitHubActionsRuntime".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "oidc_request_url_env".to_string(),
-                        ty: DeclarationId(147),
-                    },
-                    Field {
-                        label: "oidc_request_token_env".to_string(),
-                        ty: DeclarationId(147),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 1099, 1202),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1795),
-            name: Some("github_actions_runtime".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1794),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1794)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "oidc_request_url_env".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "ACTIONS_ID_TOKEN_REQUEST_URL".to_string(),
-                        )),
-                    ),
-                    (
-                        "oidc_request_token_env".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "ACTIONS_ID_TOKEN_REQUEST_TOKEN".to_string(),
-                        )),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 1204, 1373),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1796),
-            name: Some("Workflow".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "on".to_string(),
-                        ty: DeclarationId(2872),
-                    },
-                    Field {
-                        label: "concurrency".to_string(),
-                        ty: DeclarationId(2873),
-                    },
-                    Field {
-                        label: "jobs".to_string(),
-                        ty: DeclarationId(2874),
-                    },
-                    Field {
-                        label: "env".to_string(),
-                        ty: DeclarationId(2876),
-                    },
-                    Field {
-                        label: "permissions".to_string(),
-                        ty: DeclarationId(2877),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 1773, 2037),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1797),
-            name: Some("WorkflowPermissions".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "contents".to_string(),
-                        ty: DeclarationId(1798),
-                    },
-                    Field {
-                        label: "pull_requests".to_string(),
-                        ty: DeclarationId(1798),
-                    },
-                    Field {
-                        label: "issues".to_string(),
-                        ty: DeclarationId(1798),
-                    },
-                    Field {
-                        label: "actions".to_string(),
-                        ty: DeclarationId(1798),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2039, 2181),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1798),
-            name: Some("PermissionLevel".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "PermRead".to_string(),
-                        ty: DeclarationId(2878),
-                    },
-                    Field {
-                        label: "PermWrite".to_string(),
-                        ty: DeclarationId(2879),
-                    },
-                    Field {
-                        label: "PermNone".to_string(),
-                        ty: DeclarationId(2880),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2183, 2237),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1799),
-            name: Some("WorkflowTrigger".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Push".to_string(),
-                        ty: DeclarationId(2883),
-                    },
-                    Field {
-                        label: "PullRequest".to_string(),
-                        ty: DeclarationId(2886),
-                    },
-                    Field {
-                        label: "Schedule".to_string(),
-                        ty: DeclarationId(2887),
-                    },
-                    Field {
-                        label: "WorkflowDispatch".to_string(),
-                        ty: DeclarationId(2889),
-                    },
-                    Field {
-                        label: "WorkflowCall".to_string(),
-                        ty: DeclarationId(2891),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2353, 2645),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1800),
-            name: Some("PullRequestActivity".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Opened".to_string(),
-                        ty: DeclarationId(2892),
-                    },
-                    Field {
-                        label: "Synchronize".to_string(),
-                        ty: DeclarationId(2893),
-                    },
-                    Field {
-                        label: "Reopened".to_string(),
-                        ty: DeclarationId(2894),
-                    },
-                    Field {
-                        label: "ReadyForReview".to_string(),
-                        ty: DeclarationId(2895),
-                    },
-                    Field {
-                        label: "Closed".to_string(),
-                        ty: DeclarationId(2896),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2647, 2741),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1801),
-            name: Some("DispatchInput".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "description".to_string(),
-                        ty: DeclarationId(2897),
-                    },
-                    Field {
-                        label: "required".to_string(),
-                        ty: DeclarationId(124),
-                    },
-                    Field {
-                        label: "default".to_string(),
-                        ty: DeclarationId(2898),
-                    },
-                    Field {
-                        label: "type".to_string(),
-                        ty: DeclarationId(1802),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2743, 2865),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1802),
-            name: Some("DispatchInputType".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "InputString".to_string(),
-                        ty: DeclarationId(2899),
-                    },
-                    Field {
-                        label: "InputBoolean".to_string(),
-                        ty: DeclarationId(2900),
-                    },
-                    Field {
-                        label: "InputChoice".to_string(),
-                        ty: DeclarationId(2901),
-                    },
-                    Field {
-                        label: "InputEnvironment".to_string(),
-                        ty: DeclarationId(2902),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2867, 2951),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1803),
-            name: Some("SecretScope".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "StepScope".to_string(),
-                        ty: DeclarationId(2903),
-                    },
-                    Field {
-                        label: "JobScope".to_string(),
-                        ty: DeclarationId(2904),
-                    },
-                    Field {
-                        label: "WorkflowScope".to_string(),
-                        ty: DeclarationId(2905),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 5054, 5109),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1804),
-            name: Some("WorkflowSecret".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(149),
-                    },
-                    Field {
-                        label: "scope".to_string(),
-                        ty: DeclarationId(1803),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 5384, 5447),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1805),
-            name: Some("Job".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "id".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(2906),
-                    },
-                    Field {
-                        label: "runner".to_string(),
-                        ty: DeclarationId(1809),
-                    },
-                    Field {
-                        label: "steps".to_string(),
-                        ty: DeclarationId(2907),
-                    },
-                    Field {
-                        label: "needs".to_string(),
-                        ty: DeclarationId(2908),
-                    },
-                    Field {
-                        label: "env".to_string(),
-                        ty: DeclarationId(2910),
-                    },
-                    Field {
-                        label: "outputs".to_string(),
-                        ty: DeclarationId(2912),
-                    },
-                    Field {
-                        label: "if_condition".to_string(),
-                        ty: DeclarationId(2913),
-                    },
-                    Field {
-                        label: "strategy".to_string(),
-                        ty: DeclarationId(2914),
-                    },
-                    Field {
-                        label: "timeout_minutes".to_string(),
-                        ty: DeclarationId(2915),
-                    },
-                    Field {
-                        label: "continue_on_error".to_string(),
-                        ty: DeclarationId(124),
-                    },
-                    Field {
-                        label: "concurrency".to_string(),
-                        ty: DeclarationId(2916),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 5591, 6060),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1806),
-            name: Some("CancelInProgressSpec".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "CancelInProgressBool".to_string(),
-                        ty: DeclarationId(2917),
-                    },
-                    Field {
-                        label: "CancelInProgressExpression".to_string(),
-                        ty: DeclarationId(2918),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 6878, 6998),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1807),
-            name: Some("CancelInProgressWhenQueueMax".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "QueueMaxCancelInProgressFalse".to_string(),
-                        ty: DeclarationId(2919),
-                    },
-                    Field {
-                        label: "QueueMaxCancelInProgressExpression".to_string(),
-                        ty: DeclarationId(2920),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 7806, 7935),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1808),
-            name: Some("ConcurrencySpec".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ConcurrencyScalar".to_string(),
-                        ty: DeclarationId(2921),
-                    },
-                    Field {
-                        label: "ConcurrencyMappingQueueMax".to_string(),
-                        ty: DeclarationId(2923),
-                    },
-                    Field {
-                        label: "ConcurrencyMappingQueueNotMax".to_string(),
-                        ty: DeclarationId(2926),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 8488, 9134),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1809),
-            name: Some("RunnerSpec".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "HostedRunner".to_string(),
-                        ty: DeclarationId(2927),
-                    },
-                    Field {
-                        label: "SelfHosted".to_string(),
-                        ty: DeclarationId(2929),
-                    },
-                    Field {
-                        label: "RunsOnExpression".to_string(),
-                        ty: DeclarationId(2930),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10306, 10529),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1810),
-            name: Some("RunnerLabel".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "UbuntuLatest".to_string(),
-                        ty: DeclarationId(2931),
-                    },
-                    Field {
-                        label: "Ubuntu2404".to_string(),
-                        ty: DeclarationId(2932),
-                    },
-                    Field {
-                        label: "Ubuntu2204".to_string(),
-                        ty: DeclarationId(2933),
-                    },
-                    Field {
-                        label: "MacosLatest".to_string(),
-                        ty: DeclarationId(2934),
-                    },
-                    Field {
-                        label: "Macos14".to_string(),
-                        ty: DeclarationId(2935),
-                    },
-                    Field {
-                        label: "WindowsLatest".to_string(),
-                        ty: DeclarationId(2936),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10531, 10640),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1811),
-            name: Some("Step".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "RunStep".to_string(),
-                        ty: DeclarationId(2944),
-                    },
-                    Field {
-                        label: "UsesStep".to_string(),
-                        ty: DeclarationId(2953),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
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-            name: None,
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-                    value: DeclarationId(802),
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-        });
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-            name: None,
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-                    ty: DeclarationId(1992),
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-            id: DeclarationId(1994),
-            name: None,
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-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(737),
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-            name: None,
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-            name: None,
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-            name: None,
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-                template: DeclarationId(699),
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-                    value: DeclarationId(803),
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-            id: DeclarationId(3044),
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-            id: DeclarationId(3062),
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-            meta_tag: None,
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-            id: DeclarationId(3071),
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-            id: DeclarationId(3077),
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-            id: DeclarationId(3078),
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-            id: DeclarationId(3079),
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-            refinement: None,
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-            span: SourceSpan::new("src/v3/std/substrate.dag", 22398, 22406),
-        });
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-            id: DeclarationId(3080),
-            name: None,
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-                children: vec![Field {
-                    label: "_0".to_string(),
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-            meta_tag: None,
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 22455, 22464),
-        });
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-            id: DeclarationId(3081),
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-            specialization_parent: None,
-            inhabits: None,
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-            id: DeclarationId(3082),
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-            id: DeclarationId(3083),
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-                children: vec![Field {
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-                    ty: DeclarationId(838),
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-            inhabits: None,
-            value_body: None,
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-            id: DeclarationId(3085),
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-            id: DeclarationId(3101),
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-        });
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-            id: DeclarationId(3104),
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-            inhabits: None,
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-        });
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-            id: DeclarationId(3107),
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-        });
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-            id: DeclarationId(3110),
-            name: None,
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-            inhabits: None,
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-        });
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-        });
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-            id: DeclarationId(3113),
-            name: None,
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-            inhabits: None,
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-            nominal_opacity: None,
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-            id: DeclarationId(3114),
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-        });
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-            id: DeclarationId(3116),
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-            inhabits: None,
-            value_body: None,
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-            nominal_opacity: None,
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-            id: DeclarationId(3117),
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-        });
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-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(3119),
-            name: None,
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-                children: vec![Field {
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            id: DeclarationId(3120),
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-            id: DeclarationId(3121),
-            name: None,
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-                    Field {
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-        });
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-            id: DeclarationId(3122),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            id: DeclarationId(3359),
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-        });
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-            id: DeclarationId(3380),
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-        });
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-            id: DeclarationId(3383),
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-            id: DeclarationId(3386),
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-            inhabits: None,
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-            id: DeclarationId(3387),
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11873, 11880),
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-            id: DeclarationId(3389),
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-            inhabits: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11888, 11892),
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-            id: DeclarationId(3390),
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-            meta_tag: None,
-            specialization_parent: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11888, 11892),
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11888, 11892),
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-            id: DeclarationId(3392),
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-            specialization_parent: None,
-            inhabits: None,
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-            refinement: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11899, 11903),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11899, 11903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3394),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(3392),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(3393),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11899, 11903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3395),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11952, 11959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3396),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11952, 11959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3397),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(3395),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(3396),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11952, 11959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3398),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11967, 11971),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3399),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11967, 11971),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3400),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(3398),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(3399),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11967, 11971),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3401),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11978, 11982),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3402),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11978, 11982),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3403),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(3401),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(3402),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11978, 11982),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3404),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 12962, 12966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3405),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 12962, 12966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3406),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(3404),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(3405),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 12962, 12966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3407),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13045, 13052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3408),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13045, 13052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3409),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(3407),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(3408),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13045, 13052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3410),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13692, 13696),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3411),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13692, 13696),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3412),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(3410),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(3411),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13692, 13696),
-        });
-        declarations
-    }
-}
-
-fn bootstrapped_fixture_dag_ports() -> HashMap<PortId, Port> {
-    {
-        let mut ports = HashMap::new();
-        ports.insert(
-            PortId(0),
-            Port {
-                id: PortId(0),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(76))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1),
-            Port {
-                id: PortId(1),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(0)),
-            },
-        );
-        ports.insert(
-            PortId(2),
-            Port {
-                id: PortId(2),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1)),
-            },
-        );
-        ports.insert(
-            PortId(3),
-            Port {
-                id: PortId(3),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(4),
-            Port {
-                id: PortId(4),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(3)),
-            },
-        );
-        ports.insert(
-            PortId(5),
-            Port {
-                id: PortId(5),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(4)),
-            },
-        );
-        ports.insert(
-            PortId(6),
-            Port {
-                id: PortId(6),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(5)),
-            },
-        );
-        ports.insert(
-            PortId(7),
-            Port {
-                id: PortId(7),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(6)),
-            },
-        );
-        ports.insert(
-            PortId(8),
-            Port {
-                id: PortId(8),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(7)),
-            },
-        );
-        ports.insert(
-            PortId(9),
-            Port {
-                id: PortId(9),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(8)),
-            },
-        );
-        ports.insert(
-            PortId(10),
-            Port {
-                id: PortId(10),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(9)),
-            },
-        );
-        ports.insert(
-            PortId(11),
-            Port {
-                id: PortId(11),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(10)),
-            },
-        );
-        ports.insert(
-            PortId(12),
-            Port {
-                id: PortId(12),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(11)),
-            },
-        );
-        ports.insert(
-            PortId(13),
-            Port {
-                id: PortId(13),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(12)),
-            },
-        );
-        ports.insert(
-            PortId(14),
-            Port {
-                id: PortId(14),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(13)),
-            },
-        );
-        ports.insert(
-            PortId(15),
-            Port {
-                id: PortId(15),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(14)),
-            },
-        );
-        ports.insert(
-            PortId(16),
-            Port {
-                id: PortId(16),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(15)),
-            },
-        );
-        ports.insert(
-            PortId(17),
-            Port {
-                id: PortId(17),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(16)),
-            },
-        );
-        ports.insert(
-            PortId(18),
-            Port {
-                id: PortId(18),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(17)),
-            },
-        );
-        ports.insert(
-            PortId(19),
-            Port {
-                id: PortId(19),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(18)),
-            },
-        );
-        ports.insert(
-            PortId(20),
-            Port {
-                id: PortId(20),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(19)),
-            },
-        );
-        ports.insert(
-            PortId(21),
-            Port {
-                id: PortId(21),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(22),
-            Port {
-                id: PortId(22),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(21)),
-            },
-        );
-        ports.insert(
-            PortId(23),
-            Port {
-                id: PortId(23),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(22)),
-            },
-        );
-        ports.insert(
-            PortId(24),
-            Port {
-                id: PortId(24),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(23)),
-            },
-        );
-        ports.insert(
-            PortId(25),
-            Port {
-                id: PortId(25),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(24)),
-            },
-        );
-        ports.insert(
-            PortId(26),
-            Port {
-                id: PortId(26),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(25)),
-            },
-        );
-        ports.insert(
-            PortId(27),
-            Port {
-                id: PortId(27),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(28),
-            Port {
-                id: PortId(28),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(27)),
-            },
-        );
-        ports.insert(
-            PortId(29),
-            Port {
-                id: PortId(29),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(28)),
-            },
-        );
-        ports.insert(
-            PortId(30),
-            Port {
-                id: PortId(30),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(29)),
-            },
-        );
-        ports.insert(
-            PortId(31),
-            Port {
-                id: PortId(31),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(30)),
-            },
-        );
-        ports.insert(
-            PortId(32),
-            Port {
-                id: PortId(32),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(31)),
-            },
-        );
-        ports.insert(
-            PortId(33),
-            Port {
-                id: PortId(33),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(34),
-            Port {
-                id: PortId(34),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(33)),
-            },
-        );
-        ports.insert(
-            PortId(35),
-            Port {
-                id: PortId(35),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(34)),
-            },
-        );
-        ports.insert(
-            PortId(36),
-            Port {
-                id: PortId(36),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(35)),
-            },
-        );
-        ports.insert(
-            PortId(37),
-            Port {
-                id: PortId(37),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(36)),
-            },
-        );
-        ports.insert(
-            PortId(38),
-            Port {
-                id: PortId(38),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(37)),
-            },
-        );
-        ports.insert(
-            PortId(39),
-            Port {
-                id: PortId(39),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(40),
-            Port {
-                id: PortId(40),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(39)),
-            },
-        );
-        ports.insert(
-            PortId(41),
-            Port {
-                id: PortId(41),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(40)),
-            },
-        );
-        ports.insert(
-            PortId(42),
-            Port {
-                id: PortId(42),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(41)),
-            },
-        );
-        ports.insert(
-            PortId(43),
-            Port {
-                id: PortId(43),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(42)),
-            },
-        );
-        ports.insert(
-            PortId(44),
-            Port {
-                id: PortId(44),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(43)),
-            },
-        );
-        ports.insert(
-            PortId(45),
-            Port {
-                id: PortId(45),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(46),
-            Port {
-                id: PortId(46),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(45)),
-            },
-        );
-        ports.insert(
-            PortId(47),
-            Port {
-                id: PortId(47),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(46)),
-            },
-        );
-        ports.insert(
-            PortId(48),
-            Port {
-                id: PortId(48),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(47)),
-            },
-        );
-        ports.insert(
-            PortId(49),
-            Port {
-                id: PortId(49),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(48)),
-            },
-        );
-        ports.insert(
-            PortId(50),
-            Port {
-                id: PortId(50),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(49)),
-            },
-        );
-        ports.insert(
-            PortId(51),
-            Port {
-                id: PortId(51),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(52),
-            Port {
-                id: PortId(52),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(51)),
-            },
-        );
-        ports.insert(
-            PortId(53),
-            Port {
-                id: PortId(53),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(52)),
-            },
-        );
-        ports.insert(
-            PortId(54),
-            Port {
-                id: PortId(54),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(55),
-            Port {
-                id: PortId(55),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(54)),
-            },
-        );
-        ports.insert(
-            PortId(56),
-            Port {
-                id: PortId(56),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(55)),
-            },
-        );
-        ports.insert(
-            PortId(57),
-            Port {
-                id: PortId(57),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(58),
-            Port {
-                id: PortId(58),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(57)),
-            },
-        );
-        ports.insert(
-            PortId(59),
-            Port {
-                id: PortId(59),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(58)),
-            },
-        );
-        ports.insert(
-            PortId(60),
-            Port {
-                id: PortId(60),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(59)),
-            },
-        );
-        ports.insert(
-            PortId(61),
-            Port {
-                id: PortId(61),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(60)),
-            },
-        );
-        ports.insert(
-            PortId(62),
-            Port {
-                id: PortId(62),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(61)),
-            },
-        );
-        ports.insert(
-            PortId(63),
-            Port {
-                id: PortId(63),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(62)),
-            },
-        );
-        ports.insert(
-            PortId(64),
-            Port {
-                id: PortId(64),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(63)),
-            },
-        );
-        ports.insert(
-            PortId(65),
-            Port {
-                id: PortId(65),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(64)),
-            },
-        );
-        ports.insert(
-            PortId(66),
-            Port {
-                id: PortId(66),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(67),
-            Port {
-                id: PortId(67),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(66)),
-            },
-        );
-        ports.insert(
-            PortId(68),
-            Port {
-                id: PortId(68),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(67)),
-            },
-        );
-        ports.insert(
-            PortId(69),
-            Port {
-                id: PortId(69),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(68)),
-            },
-        );
-        ports.insert(
-            PortId(70),
-            Port {
-                id: PortId(70),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(69)),
-            },
-        );
-        ports.insert(
-            PortId(71),
-            Port {
-                id: PortId(71),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(70)),
-            },
-        );
-        ports.insert(
-            PortId(72),
-            Port {
-                id: PortId(72),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(71)),
-            },
-        );
-        ports.insert(
-            PortId(73),
-            Port {
-                id: PortId(73),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(72)),
-            },
-        );
-        ports.insert(
-            PortId(74),
-            Port {
-                id: PortId(74),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(73)),
-            },
-        );
-        ports.insert(
-            PortId(75),
-            Port {
-                id: PortId(75),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(76),
-            Port {
-                id: PortId(76),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(75)),
-            },
-        );
-        ports.insert(
-            PortId(77),
-            Port {
-                id: PortId(77),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(76)),
-            },
-        );
-        ports.insert(
-            PortId(78),
-            Port {
-                id: PortId(78),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(77)),
-            },
-        );
-        ports.insert(
-            PortId(79),
-            Port {
-                id: PortId(79),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(78)),
-            },
-        );
-        ports.insert(
-            PortId(80),
-            Port {
-                id: PortId(80),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(79)),
-            },
-        );
-        ports.insert(
-            PortId(81),
-            Port {
-                id: PortId(81),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(82),
-            Port {
-                id: PortId(82),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(81)),
-            },
-        );
-        ports.insert(
-            PortId(83),
-            Port {
-                id: PortId(83),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(82)),
-            },
-        );
-        ports.insert(
-            PortId(84),
-            Port {
-                id: PortId(84),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(83)),
-            },
-        );
-        ports.insert(
-            PortId(85),
-            Port {
-                id: PortId(85),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(84)),
-            },
-        );
-        ports.insert(
-            PortId(86),
-            Port {
-                id: PortId(86),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(85)),
-            },
-        );
-        ports.insert(
-            PortId(87),
-            Port {
-                id: PortId(87),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(88),
-            Port {
-                id: PortId(88),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(87)),
-            },
-        );
-        ports.insert(
-            PortId(89),
-            Port {
-                id: PortId(89),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(88)),
-            },
-        );
-        ports.insert(
-            PortId(90),
-            Port {
-                id: PortId(90),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(89)),
-            },
-        );
-        ports.insert(
-            PortId(91),
-            Port {
-                id: PortId(91),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(90)),
-            },
-        );
-        ports.insert(
-            PortId(92),
-            Port {
-                id: PortId(92),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(91)),
-            },
-        );
-        ports.insert(
-            PortId(93),
-            Port {
-                id: PortId(93),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(94),
-            Port {
-                id: PortId(94),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(93)),
-            },
-        );
-        ports.insert(
-            PortId(95),
-            Port {
-                id: PortId(95),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(94)),
-            },
-        );
-        ports.insert(
-            PortId(96),
-            Port {
-                id: PortId(96),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(95)),
-            },
-        );
-        ports.insert(
-            PortId(97),
-            Port {
-                id: PortId(97),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(96)),
-            },
-        );
-        ports.insert(
-            PortId(98),
-            Port {
-                id: PortId(98),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(97)),
-            },
-        );
-        ports.insert(
-            PortId(99),
-            Port {
-                id: PortId(99),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(100),
-            Port {
-                id: PortId(100),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(99)),
-            },
-        );
-        ports.insert(
-            PortId(101),
-            Port {
-                id: PortId(101),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(100)),
-            },
-        );
-        ports.insert(
-            PortId(102),
-            Port {
-                id: PortId(102),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(101)),
-            },
-        );
-        ports.insert(
-            PortId(103),
-            Port {
-                id: PortId(103),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(102)),
-            },
-        );
-        ports.insert(
-            PortId(104),
-            Port {
-                id: PortId(104),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(103)),
-            },
-        );
-        ports.insert(
-            PortId(105),
-            Port {
-                id: PortId(105),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(106),
-            Port {
-                id: PortId(106),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(105)),
-            },
-        );
-        ports.insert(
-            PortId(107),
-            Port {
-                id: PortId(107),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(106)),
-            },
-        );
-        ports.insert(
-            PortId(108),
-            Port {
-                id: PortId(108),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(107)),
-            },
-        );
-        ports.insert(
-            PortId(109),
-            Port {
-                id: PortId(109),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(108)),
-            },
-        );
-        ports.insert(
-            PortId(110),
-            Port {
-                id: PortId(110),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(109)),
-            },
-        );
-        ports.insert(
-            PortId(111),
-            Port {
-                id: PortId(111),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(112),
-            Port {
-                id: PortId(112),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(111)),
-            },
-        );
-        ports.insert(
-            PortId(113),
-            Port {
-                id: PortId(113),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(112)),
-            },
-        );
-        ports.insert(
-            PortId(114),
-            Port {
-                id: PortId(114),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(113)),
-            },
-        );
-        ports.insert(
-            PortId(115),
-            Port {
-                id: PortId(115),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(114)),
-            },
-        );
-        ports.insert(
-            PortId(116),
-            Port {
-                id: PortId(116),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(115)),
-            },
-        );
-        ports.insert(
-            PortId(117),
-            Port {
-                id: PortId(117),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(118),
-            Port {
-                id: PortId(118),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(117)),
-            },
-        );
-        ports.insert(
-            PortId(119),
-            Port {
-                id: PortId(119),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(118)),
-            },
-        );
-        ports.insert(
-            PortId(120),
-            Port {
-                id: PortId(120),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(119)),
-            },
-        );
-        ports.insert(
-            PortId(121),
-            Port {
-                id: PortId(121),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(120)),
-            },
-        );
-        ports.insert(
-            PortId(122),
-            Port {
-                id: PortId(122),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(121)),
-            },
-        );
-        ports.insert(
-            PortId(123),
-            Port {
-                id: PortId(123),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(124),
-            Port {
-                id: PortId(124),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(123)),
-            },
-        );
-        ports.insert(
-            PortId(125),
-            Port {
-                id: PortId(125),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(124)),
-            },
-        );
-        ports.insert(
-            PortId(126),
-            Port {
-                id: PortId(126),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(125)),
-            },
-        );
-        ports.insert(
-            PortId(127),
-            Port {
-                id: PortId(127),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(126)),
-            },
-        );
-        ports.insert(
-            PortId(128),
-            Port {
-                id: PortId(128),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(127)),
-            },
-        );
-        ports.insert(
-            PortId(129),
-            Port {
-                id: PortId(129),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(130),
-            Port {
-                id: PortId(130),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(129)),
-            },
-        );
-        ports.insert(
-            PortId(131),
-            Port {
-                id: PortId(131),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(130)),
-            },
-        );
-        ports.insert(
-            PortId(132),
-            Port {
-                id: PortId(132),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(131)),
-            },
-        );
-        ports.insert(
-            PortId(133),
-            Port {
-                id: PortId(133),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(132)),
-            },
-        );
-        ports.insert(
-            PortId(134),
-            Port {
-                id: PortId(134),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(133)),
-            },
-        );
-        ports.insert(
-            PortId(135),
-            Port {
-                id: PortId(135),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(136),
-            Port {
-                id: PortId(136),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(135)),
-            },
-        );
-        ports.insert(
-            PortId(137),
-            Port {
-                id: PortId(137),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(136)),
-            },
-        );
-        ports.insert(
-            PortId(138),
-            Port {
-                id: PortId(138),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(137)),
-            },
-        );
-        ports.insert(
-            PortId(139),
-            Port {
-                id: PortId(139),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(138)),
-            },
-        );
-        ports.insert(
-            PortId(140),
-            Port {
-                id: PortId(140),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(139)),
-            },
-        );
-        ports.insert(
-            PortId(141),
-            Port {
-                id: PortId(141),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(142),
-            Port {
-                id: PortId(142),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(141)),
-            },
-        );
-        ports.insert(
-            PortId(143),
-            Port {
-                id: PortId(143),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(142)),
-            },
-        );
-        ports.insert(
-            PortId(144),
-            Port {
-                id: PortId(144),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(143)),
-            },
-        );
-        ports.insert(
-            PortId(145),
-            Port {
-                id: PortId(145),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(144)),
-            },
-        );
-        ports.insert(
-            PortId(146),
-            Port {
-                id: PortId(146),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(145)),
-            },
-        );
-        ports.insert(
-            PortId(147),
-            Port {
-                id: PortId(147),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(148),
-            Port {
-                id: PortId(148),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(147)),
-            },
-        );
-        ports.insert(
-            PortId(149),
-            Port {
-                id: PortId(149),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(148)),
-            },
-        );
-        ports.insert(
-            PortId(150),
-            Port {
-                id: PortId(150),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(149)),
-            },
-        );
-        ports.insert(
-            PortId(151),
-            Port {
-                id: PortId(151),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(150)),
-            },
-        );
-        ports.insert(
-            PortId(152),
-            Port {
-                id: PortId(152),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(151)),
-            },
-        );
-        ports.insert(
-            PortId(153),
-            Port {
-                id: PortId(153),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(154),
-            Port {
-                id: PortId(154),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(153)),
-            },
-        );
-        ports.insert(
-            PortId(155),
-            Port {
-                id: PortId(155),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(154)),
-            },
-        );
-        ports.insert(
-            PortId(156),
-            Port {
-                id: PortId(156),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(155)),
-            },
-        );
-        ports.insert(
-            PortId(157),
-            Port {
-                id: PortId(157),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(156)),
-            },
-        );
-        ports.insert(
-            PortId(158),
-            Port {
-                id: PortId(158),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(157)),
-            },
-        );
-        ports.insert(
-            PortId(159),
-            Port {
-                id: PortId(159),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(154))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(160),
-            Port {
-                id: PortId(160),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(159)),
-            },
-        );
-        ports.insert(
-            PortId(161),
-            Port {
-                id: PortId(161),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(160)),
-            },
-        );
-        ports.insert(
-            PortId(162),
-            Port {
-                id: PortId(162),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(161)),
-            },
-        );
-        ports.insert(
-            PortId(163),
-            Port {
-                id: PortId(163),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(162)),
-            },
-        );
-        ports.insert(
-            PortId(164),
-            Port {
-                id: PortId(164),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(163)),
-            },
-        );
-        ports.insert(
-            PortId(165),
-            Port {
-                id: PortId(165),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(125))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(166),
-            Port {
-                id: PortId(166),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(165)),
-            },
-        );
-        ports.insert(
-            PortId(167),
-            Port {
-                id: PortId(167),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(166)),
-            },
-        );
-        ports.insert(
-            PortId(168),
-            Port {
-                id: PortId(168),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(167)),
-            },
-        );
-        ports.insert(
-            PortId(169),
-            Port {
-                id: PortId(169),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(168)),
-            },
-        );
-        ports.insert(
-            PortId(170),
-            Port {
-                id: PortId(170),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(169)),
-            },
-        );
-        ports.insert(
-            PortId(171),
-            Port {
-                id: PortId(171),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(172),
-            Port {
-                id: PortId(172),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(171)),
-            },
-        );
-        ports.insert(
-            PortId(173),
-            Port {
-                id: PortId(173),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(172)),
-            },
-        );
-        ports.insert(
-            PortId(174),
-            Port {
-                id: PortId(174),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(173)),
-            },
-        );
-        ports.insert(
-            PortId(175),
-            Port {
-                id: PortId(175),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(174)),
-            },
-        );
-        ports.insert(
-            PortId(176),
-            Port {
-                id: PortId(176),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(175)),
-            },
-        );
-        ports.insert(
-            PortId(177),
-            Port {
-                id: PortId(177),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(128))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(178),
-            Port {
-                id: PortId(178),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(228))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(179),
-            Port {
-                id: PortId(179),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(177)),
-            },
-        );
-        ports.insert(
-            PortId(180),
-            Port {
-                id: PortId(180),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(178)),
-            },
-        );
-        ports.insert(
-            PortId(181),
-            Port {
-                id: PortId(181),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(179)),
-            },
-        );
-        ports.insert(
-            PortId(182),
-            Port {
-                id: PortId(182),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(180)),
-            },
-        );
-        ports.insert(
-            PortId(183),
-            Port {
-                id: PortId(183),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(181)),
-            },
-        );
-        ports.insert(
-            PortId(184),
-            Port {
-                id: PortId(184),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(182)),
-            },
-        );
-        ports.insert(
-            PortId(185),
-            Port {
-                id: PortId(185),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(183)),
-            },
-        );
-        ports.insert(
-            PortId(186),
-            Port {
-                id: PortId(186),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(184)),
-            },
-        );
-        ports.insert(
-            PortId(187),
-            Port {
-                id: PortId(187),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(185)),
-            },
-        );
-        ports.insert(
-            PortId(188),
-            Port {
-                id: PortId(188),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(186)),
-            },
-        );
-        ports.insert(
-            PortId(189),
-            Port {
-                id: PortId(189),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(187)),
-            },
-        );
-        ports.insert(
-            PortId(190),
-            Port {
-                id: PortId(190),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(188)),
-            },
-        );
-        ports.insert(
-            PortId(191),
-            Port {
-                id: PortId(191),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(189)),
-            },
-        );
-        ports.insert(
-            PortId(192),
-            Port {
-                id: PortId(192),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(190)),
-            },
-        );
-        ports.insert(
-            PortId(193),
-            Port {
-                id: PortId(193),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(191)),
-            },
-        );
-        ports.insert(
-            PortId(194),
-            Port {
-                id: PortId(194),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(192)),
-            },
-        );
-        ports.insert(
-            PortId(195),
-            Port {
-                id: PortId(195),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(193)),
-            },
-        );
-        ports.insert(
-            PortId(196),
-            Port {
-                id: PortId(196),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(194)),
-            },
-        );
-        ports.insert(
-            PortId(197),
-            Port {
-                id: PortId(197),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(195)),
-            },
-        );
-        ports.insert(
-            PortId(198),
-            Port {
-                id: PortId(198),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(196)),
-            },
-        );
-        ports.insert(
-            PortId(199),
-            Port {
-                id: PortId(199),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(197)),
-            },
-        );
-        ports.insert(
-            PortId(200),
-            Port {
-                id: PortId(200),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(198)),
-            },
-        );
-        ports.insert(
-            PortId(201),
-            Port {
-                id: PortId(201),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(199)),
-            },
-        );
-        ports.insert(
-            PortId(202),
-            Port {
-                id: PortId(202),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(200)),
-            },
-        );
-        ports.insert(
-            PortId(203),
-            Port {
-                id: PortId(203),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(201)),
-            },
-        );
-        ports.insert(
-            PortId(204),
-            Port {
-                id: PortId(204),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(202)),
-            },
-        );
-        ports.insert(
-            PortId(205),
-            Port {
-                id: PortId(205),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(203)),
-            },
-        );
-        ports.insert(
-            PortId(206),
-            Port {
-                id: PortId(206),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(204)),
-            },
-        );
-        ports.insert(
-            PortId(207),
-            Port {
-                id: PortId(207),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(205)),
-            },
-        );
-        ports.insert(
-            PortId(208),
-            Port {
-                id: PortId(208),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(206)),
-            },
-        );
-        ports.insert(
-            PortId(209),
-            Port {
-                id: PortId(209),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(207)),
-            },
-        );
-        ports.insert(
-            PortId(210),
-            Port {
-                id: PortId(210),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(208)),
-            },
-        );
-        ports.insert(
-            PortId(211),
-            Port {
-                id: PortId(211),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(209)),
-            },
-        );
-        ports.insert(
-            PortId(212),
-            Port {
-                id: PortId(212),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(210)),
-            },
-        );
-        ports.insert(
-            PortId(213),
-            Port {
-                id: PortId(213),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(211)),
-            },
-        );
-        ports.insert(
-            PortId(214),
-            Port {
-                id: PortId(214),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(212)),
-            },
-        );
-        ports.insert(
-            PortId(215),
-            Port {
-                id: PortId(215),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(213)),
-            },
-        );
-        ports.insert(
-            PortId(216),
-            Port {
-                id: PortId(216),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(214)),
-            },
-        );
-        ports.insert(
-            PortId(217),
-            Port {
-                id: PortId(217),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(215)),
-            },
-        );
-        ports.insert(
-            PortId(218),
-            Port {
-                id: PortId(218),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(216)),
-            },
-        );
-        ports.insert(
-            PortId(219),
-            Port {
-                id: PortId(219),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(217)),
-            },
-        );
-        ports.insert(
-            PortId(220),
-            Port {
-                id: PortId(220),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(218)),
-            },
-        );
-        ports.insert(
-            PortId(221),
-            Port {
-                id: PortId(221),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(219)),
-            },
-        );
-        ports.insert(
-            PortId(222),
-            Port {
-                id: PortId(222),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(220)),
-            },
-        );
-        ports.insert(
-            PortId(223),
-            Port {
-                id: PortId(223),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(221)),
-            },
-        );
-        ports.insert(
-            PortId(224),
-            Port {
-                id: PortId(224),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(222)),
-            },
-        );
-        ports.insert(
-            PortId(225),
-            Port {
-                id: PortId(225),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(223)),
-            },
-        );
-        ports.insert(
-            PortId(226),
-            Port {
-                id: PortId(226),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(224)),
-            },
-        );
-        ports.insert(
-            PortId(227),
-            Port {
-                id: PortId(227),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(225)),
-            },
-        );
-        ports.insert(
-            PortId(228),
-            Port {
-                id: PortId(228),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(226)),
-            },
-        );
-        ports.insert(
-            PortId(229),
-            Port {
-                id: PortId(229),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(227)),
-            },
-        );
-        ports.insert(
-            PortId(230),
-            Port {
-                id: PortId(230),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(228)),
-            },
-        );
-        ports.insert(
-            PortId(231),
-            Port {
-                id: PortId(231),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(229)),
-            },
-        );
-        ports.insert(
-            PortId(232),
-            Port {
-                id: PortId(232),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(230)),
-            },
-        );
-        ports.insert(
-            PortId(233),
-            Port {
-                id: PortId(233),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(231)),
-            },
-        );
-        ports.insert(
-            PortId(234),
-            Port {
-                id: PortId(234),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(232)),
-            },
-        );
-        ports.insert(
-            PortId(235),
-            Port {
-                id: PortId(235),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(233)),
-            },
-        );
-        ports.insert(
-            PortId(236),
-            Port {
-                id: PortId(236),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(234)),
-            },
-        );
-        ports.insert(
-            PortId(237),
-            Port {
-                id: PortId(237),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(235)),
-            },
-        );
-        ports.insert(
-            PortId(238),
-            Port {
-                id: PortId(238),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(236)),
-            },
-        );
-        ports.insert(
-            PortId(239),
-            Port {
-                id: PortId(239),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(237)),
-            },
-        );
-        ports.insert(
-            PortId(240),
-            Port {
-                id: PortId(240),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(238)),
-            },
-        );
-        ports.insert(
-            PortId(241),
-            Port {
-                id: PortId(241),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(239)),
-            },
-        );
-        ports.insert(
-            PortId(242),
-            Port {
-                id: PortId(242),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(240)),
-            },
-        );
-        ports.insert(
-            PortId(243),
-            Port {
-                id: PortId(243),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(241)),
-            },
-        );
-        ports.insert(
-            PortId(244),
-            Port {
-                id: PortId(244),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(242)),
-            },
-        );
-        ports.insert(
-            PortId(245),
-            Port {
-                id: PortId(245),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(243)),
-            },
-        );
-        ports.insert(
-            PortId(246),
-            Port {
-                id: PortId(246),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(244)),
-            },
-        );
-        ports.insert(
-            PortId(247),
-            Port {
-                id: PortId(247),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(245)),
-            },
-        );
-        ports.insert(
-            PortId(248),
-            Port {
-                id: PortId(248),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(246)),
-            },
-        );
-        ports.insert(
-            PortId(249),
-            Port {
-                id: PortId(249),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(247)),
-            },
-        );
-        ports.insert(
-            PortId(250),
-            Port {
-                id: PortId(250),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(248)),
-            },
-        );
-        ports.insert(
-            PortId(251),
-            Port {
-                id: PortId(251),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(249)),
-            },
-        );
-        ports.insert(
-            PortId(252),
-            Port {
-                id: PortId(252),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(128))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(253),
-            Port {
-                id: PortId(253),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(251)),
-            },
-        );
-        ports.insert(
-            PortId(254),
-            Port {
-                id: PortId(254),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: Some(NodeId(252)),
-            },
-        );
-        ports.insert(
-            PortId(255),
-            Port {
-                id: PortId(255),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(966))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(256),
-            Port {
-                id: PortId(256),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(254)),
-            },
-        );
-        ports.insert(
-            PortId(257),
-            Port {
-                id: PortId(257),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(255)),
-            },
-        );
-        ports.insert(
-            PortId(258),
-            Port {
-                id: PortId(258),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(752))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(259),
-            Port {
-                id: PortId(259),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(257)),
-            },
-        );
-        ports.insert(
-            PortId(260),
-            Port {
-                id: PortId(260),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(258)),
-            },
-        );
-        ports.insert(
-            PortId(261),
-            Port {
-                id: PortId(261),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(259)),
-            },
-        );
-        ports.insert(
-            PortId(262),
-            Port {
-                id: PortId(262),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(263),
-            Port {
-                id: PortId(263),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(261)),
-            },
-        );
-        ports.insert(
-            PortId(264),
-            Port {
-                id: PortId(264),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(262)),
-            },
-        );
-        ports.insert(
-            PortId(265),
-            Port {
-                id: PortId(265),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(263)),
-            },
-        );
-        ports.insert(
-            PortId(266),
-            Port {
-                id: PortId(266),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(264)),
-            },
-        );
-        ports.insert(
-            PortId(267),
-            Port {
-                id: PortId(267),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(265)),
-            },
-        );
-        ports.insert(
-            PortId(268),
-            Port {
-                id: PortId(268),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(266)),
-            },
-        );
-        ports.insert(
-            PortId(269),
-            Port {
-                id: PortId(269),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(267)),
-            },
-        );
-        ports.insert(
-            PortId(270),
-            Port {
-                id: PortId(270),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(268)),
-            },
-        );
-        ports.insert(
-            PortId(271),
-            Port {
-                id: PortId(271),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(272),
-            Port {
-                id: PortId(272),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(270)),
-            },
-        );
-        ports.insert(
-            PortId(273),
-            Port {
-                id: PortId(273),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(271)),
-            },
-        );
-        ports.insert(
-            PortId(274),
-            Port {
-                id: PortId(274),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(272)),
-            },
-        );
-        ports.insert(
-            PortId(275),
-            Port {
-                id: PortId(275),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(273)),
-            },
-        );
-        ports.insert(
-            PortId(276),
-            Port {
-                id: PortId(276),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(274)),
-            },
-        );
-        ports.insert(
-            PortId(277),
-            Port {
-                id: PortId(277),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(275)),
-            },
-        );
-        ports.insert(
-            PortId(278),
-            Port {
-                id: PortId(278),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(276)),
-            },
-        );
-        ports.insert(
-            PortId(279),
-            Port {
-                id: PortId(279),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(277)),
-            },
-        );
-        ports.insert(
-            PortId(280),
-            Port {
-                id: PortId(280),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(281),
-            Port {
-                id: PortId(281),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(279)),
-            },
-        );
-        ports.insert(
-            PortId(282),
-            Port {
-                id: PortId(282),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(280)),
-            },
-        );
-        ports.insert(
-            PortId(283),
-            Port {
-                id: PortId(283),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(281)),
-            },
-        );
-        ports.insert(
-            PortId(284),
-            Port {
-                id: PortId(284),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(282)),
-            },
-        );
-        ports.insert(
-            PortId(285),
-            Port {
-                id: PortId(285),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(283)),
-            },
-        );
-        ports.insert(
-            PortId(286),
-            Port {
-                id: PortId(286),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(284)),
-            },
-        );
-        ports.insert(
-            PortId(287),
-            Port {
-                id: PortId(287),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(285)),
-            },
-        );
-        ports.insert(
-            PortId(288),
-            Port {
-                id: PortId(288),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(286)),
-            },
-        );
-        ports.insert(
-            PortId(289),
-            Port {
-                id: PortId(289),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(290),
-            Port {
-                id: PortId(290),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(288)),
-            },
-        );
-        ports.insert(
-            PortId(291),
-            Port {
-                id: PortId(291),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(289)),
-            },
-        );
-        ports.insert(
-            PortId(292),
-            Port {
-                id: PortId(292),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(290)),
-            },
-        );
-        ports.insert(
-            PortId(293),
-            Port {
-                id: PortId(293),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(291)),
-            },
-        );
-        ports.insert(
-            PortId(294),
-            Port {
-                id: PortId(294),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(292)),
-            },
-        );
-        ports.insert(
-            PortId(295),
-            Port {
-                id: PortId(295),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(293)),
-            },
-        );
-        ports.insert(
-            PortId(296),
-            Port {
-                id: PortId(296),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(294)),
-            },
-        );
-        ports.insert(
-            PortId(297),
-            Port {
-                id: PortId(297),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(295)),
-            },
-        );
-        ports.insert(
-            PortId(298),
-            Port {
-                id: PortId(298),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(829))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(299),
-            Port {
-                id: PortId(299),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(300),
-            Port {
-                id: PortId(300),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(297)),
-            },
-        );
-        ports.insert(
-            PortId(301),
-            Port {
-                id: PortId(301),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(302),
-            Port {
-                id: PortId(302),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(298)),
-            },
-        );
-        ports.insert(
-            PortId(303),
-            Port {
-                id: PortId(303),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(736))),
-                produced_by: Some(NodeId(299)),
-            },
-        );
-        ports.insert(
-            PortId(304),
-            Port {
-                id: PortId(304),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(305),
-            Port {
-                id: PortId(305),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(306),
-            Port {
-                id: PortId(306),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(736))),
-                produced_by: Some(NodeId(301)),
-            },
-        );
-        ports.insert(
-            PortId(307),
-            Port {
-                id: PortId(307),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(736))),
-                produced_by: Some(NodeId(302)),
-            },
-        );
-        ports.insert(
-            PortId(308),
-            Port {
-                id: PortId(308),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(303)),
-            },
-        );
-        ports.insert(
-            PortId(309),
-            Port {
-                id: PortId(309),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(310),
-            Port {
-                id: PortId(310),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(305)),
-            },
-        );
-        ports.insert(
-            PortId(311),
-            Port {
-                id: PortId(311),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: Some(NodeId(306)),
-            },
-        );
-        ports.insert(
-            PortId(312),
-            Port {
-                id: PortId(312),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(313),
-            Port {
-                id: PortId(313),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(314),
-            Port {
-                id: PortId(314),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(308)),
-            },
-        );
-        ports.insert(
-            PortId(315),
-            Port {
-                id: PortId(315),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(309)),
-            },
-        );
-        ports.insert(
-            PortId(316),
-            Port {
-                id: PortId(316),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2172))),
-                produced_by: Some(NodeId(310)),
-            },
-        );
-        ports.insert(
-            PortId(317),
-            Port {
-                id: PortId(317),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(318),
-            Port {
-                id: PortId(318),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(319),
-            Port {
-                id: PortId(319),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2173))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(320),
-            Port {
-                id: PortId(320),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2174))),
-                produced_by: Some(NodeId(312)),
-            },
-        );
-        ports.insert(
-            PortId(321),
-            Port {
-                id: PortId(321),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(322),
-            Port {
-                id: PortId(322),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(314)),
-            },
-        );
-        ports.insert(
-            PortId(323),
-            Port {
-                id: PortId(323),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(315)),
-            },
-        );
-        ports.insert(
-            PortId(324),
-            Port {
-                id: PortId(324),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(325),
-            Port {
-                id: PortId(325),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(316)),
-            },
-        );
-        ports.insert(
-            PortId(326),
-            Port {
-                id: PortId(326),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(317)),
-            },
-        );
-        ports.insert(
-            PortId(327),
-            Port {
-                id: PortId(327),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(918))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(328),
-            Port {
-                id: PortId(328),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(319)),
-            },
-        );
-        ports.insert(
-            PortId(329),
-            Port {
-                id: PortId(329),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(330),
-            Port {
-                id: PortId(330),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(320)),
-            },
-        );
-        ports.insert(
-            PortId(331),
-            Port {
-                id: PortId(331),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(321)),
-            },
-        );
-        ports.insert(
-            PortId(332),
-            Port {
-                id: PortId(332),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(322)),
-            },
-        );
-        ports.insert(
-            PortId(333),
-            Port {
-                id: PortId(333),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(323)),
-            },
-        );
-        ports.insert(
-            PortId(334),
-            Port {
-                id: PortId(334),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(324)),
-            },
-        );
-        ports.insert(
-            PortId(335),
-            Port {
-                id: PortId(335),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: Some(NodeId(325)),
-            },
-        );
-        ports.insert(
-            PortId(336),
-            Port {
-                id: PortId(336),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(337),
-            Port {
-                id: PortId(337),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(338),
-            Port {
-                id: PortId(338),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(327)),
-            },
-        );
-        ports.insert(
-            PortId(339),
-            Port {
-                id: PortId(339),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(328)),
-            },
-        );
-        ports.insert(
-            PortId(340),
-            Port {
-                id: PortId(340),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(329)),
-            },
-        );
-        ports.insert(
-            PortId(341),
-            Port {
-                id: PortId(341),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(342),
-            Port {
-                id: PortId(342),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(343),
-            Port {
-                id: PortId(343),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(331)),
-            },
-        );
-        ports.insert(
-            PortId(344),
-            Port {
-                id: PortId(344),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(332)),
-            },
-        );
-        ports.insert(
-            PortId(345),
-            Port {
-                id: PortId(345),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(333)),
-            },
-        );
-        ports.insert(
-            PortId(346),
-            Port {
-                id: PortId(346),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(347),
-            Port {
-                id: PortId(347),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(348),
-            Port {
-                id: PortId(348),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(335)),
-            },
-        );
-        ports.insert(
-            PortId(349),
-            Port {
-                id: PortId(349),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(336)),
-            },
-        );
-        ports.insert(
-            PortId(350),
-            Port {
-                id: PortId(350),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(337)),
-            },
-        );
-        ports.insert(
-            PortId(351),
-            Port {
-                id: PortId(351),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(352),
-            Port {
-                id: PortId(352),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(353),
-            Port {
-                id: PortId(353),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(339)),
-            },
-        );
-        ports.insert(
-            PortId(354),
-            Port {
-                id: PortId(354),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(340)),
-            },
-        );
-        ports.insert(
-            PortId(355),
-            Port {
-                id: PortId(355),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(341)),
-            },
-        );
-        ports.insert(
-            PortId(356),
-            Port {
-                id: PortId(356),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2175))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(357),
-            Port {
-                id: PortId(357),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(343)),
-            },
-        );
-        ports.insert(
-            PortId(358),
-            Port {
-                id: PortId(358),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(344)),
-            },
-        );
-        ports.insert(
-            PortId(359),
-            Port {
-                id: PortId(359),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(345)),
-            },
-        );
-        ports.insert(
-            PortId(360),
-            Port {
-                id: PortId(360),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(361),
-            Port {
-                id: PortId(361),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(362),
-            Port {
-                id: PortId(362),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(363),
-            Port {
-                id: PortId(363),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(347)),
-            },
-        );
-        ports.insert(
-            PortId(364),
-            Port {
-                id: PortId(364),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(365),
-            Port {
-                id: PortId(365),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(366),
-            Port {
-                id: PortId(366),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(348)),
-            },
-        );
-        ports.insert(
-            PortId(367),
-            Port {
-                id: PortId(367),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(368),
-            Port {
-                id: PortId(368),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(349)),
-            },
-        );
-        ports.insert(
-            PortId(369),
-            Port {
-                id: PortId(369),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(370),
-            Port {
-                id: PortId(370),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(350)),
-            },
-        );
-        ports.insert(
-            PortId(371),
-            Port {
-                id: PortId(371),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(372),
-            Port {
-                id: PortId(372),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(351)),
-            },
-        );
-        ports.insert(
-            PortId(373),
-            Port {
-                id: PortId(373),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(374),
-            Port {
-                id: PortId(374),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(352)),
-            },
-        );
-        ports.insert(
-            PortId(375),
-            Port {
-                id: PortId(375),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(376),
-            Port {
-                id: PortId(376),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(353)),
-            },
-        );
-        ports.insert(
-            PortId(377),
-            Port {
-                id: PortId(377),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(378),
-            Port {
-                id: PortId(378),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(354)),
-            },
-        );
-        ports.insert(
-            PortId(379),
-            Port {
-                id: PortId(379),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(355)),
-            },
-        );
-        ports.insert(
-            PortId(380),
-            Port {
-                id: PortId(380),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(381),
-            Port {
-                id: PortId(381),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(382),
-            Port {
-                id: PortId(382),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(356)),
-            },
-        );
-        ports.insert(
-            PortId(383),
-            Port {
-                id: PortId(383),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(384),
-            Port {
-                id: PortId(384),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(357)),
-            },
-        );
-        ports.insert(
-            PortId(385),
-            Port {
-                id: PortId(385),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(386),
-            Port {
-                id: PortId(386),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(358)),
-            },
-        );
-        ports.insert(
-            PortId(387),
-            Port {
-                id: PortId(387),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(388),
-            Port {
-                id: PortId(388),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(359)),
-            },
-        );
-        ports.insert(
-            PortId(389),
-            Port {
-                id: PortId(389),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(390),
-            Port {
-                id: PortId(390),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(360)),
-            },
-        );
-        ports.insert(
-            PortId(391),
-            Port {
-                id: PortId(391),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(392),
-            Port {
-                id: PortId(392),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(361)),
-            },
-        );
-        ports.insert(
-            PortId(393),
-            Port {
-                id: PortId(393),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(394),
-            Port {
-                id: PortId(394),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(362)),
-            },
-        );
-        ports.insert(
-            PortId(395),
-            Port {
-                id: PortId(395),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(363)),
-            },
-        );
-        ports.insert(
-            PortId(396),
-            Port {
-                id: PortId(396),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(397),
-            Port {
-                id: PortId(397),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(398),
-            Port {
-                id: PortId(398),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(364)),
-            },
-        );
-        ports.insert(
-            PortId(399),
-            Port {
-                id: PortId(399),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(400),
-            Port {
-                id: PortId(400),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(365)),
-            },
-        );
-        ports.insert(
-            PortId(401),
-            Port {
-                id: PortId(401),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(402),
-            Port {
-                id: PortId(402),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(366)),
-            },
-        );
-        ports.insert(
-            PortId(403),
-            Port {
-                id: PortId(403),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(367)),
-            },
-        );
-        ports.insert(
-            PortId(404),
-            Port {
-                id: PortId(404),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(405),
-            Port {
-                id: PortId(405),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(368)),
-            },
-        );
-        ports.insert(
-            PortId(406),
-            Port {
-                id: PortId(406),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(369)),
-            },
-        );
-        ports.insert(
-            PortId(407),
-            Port {
-                id: PortId(407),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(370)),
-            },
-        );
-        ports.insert(
-            PortId(408),
-            Port {
-                id: PortId(408),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(371)),
-            },
-        );
-        ports.insert(
-            PortId(409),
-            Port {
-                id: PortId(409),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(372)),
-            },
-        );
-        ports.insert(
-            PortId(410),
-            Port {
-                id: PortId(410),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(373)),
-            },
-        );
-        ports.insert(
-            PortId(411),
-            Port {
-                id: PortId(411),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(374)),
-            },
-        );
-        ports.insert(
-            PortId(412),
-            Port {
-                id: PortId(412),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(375)),
-            },
-        );
-        ports.insert(
-            PortId(413),
-            Port {
-                id: PortId(413),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(376)),
-            },
-        );
-        ports.insert(
-            PortId(414),
-            Port {
-                id: PortId(414),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(377)),
-            },
-        );
-        ports.insert(
-            PortId(415),
-            Port {
-                id: PortId(415),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(416),
-            Port {
-                id: PortId(416),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(378)),
-            },
-        );
-        ports.insert(
-            PortId(417),
-            Port {
-                id: PortId(417),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(418),
-            Port {
-                id: PortId(418),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(379)),
-            },
-        );
-        ports.insert(
-            PortId(419),
-            Port {
-                id: PortId(419),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(420),
-            Port {
-                id: PortId(420),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(380)),
-            },
-        );
-        ports.insert(
-            PortId(421),
-            Port {
-                id: PortId(421),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(381)),
-            },
-        );
-        ports.insert(
-            PortId(422),
-            Port {
-                id: PortId(422),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(423),
-            Port {
-                id: PortId(423),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(424),
-            Port {
-                id: PortId(424),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(382)),
-            },
-        );
-        ports.insert(
-            PortId(425),
-            Port {
-                id: PortId(425),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(426),
-            Port {
-                id: PortId(426),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(383)),
-            },
-        );
-        ports.insert(
-            PortId(427),
-            Port {
-                id: PortId(427),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(428),
-            Port {
-                id: PortId(428),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(384)),
-            },
-        );
-        ports.insert(
-            PortId(429),
-            Port {
-                id: PortId(429),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(430),
-            Port {
-                id: PortId(430),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(385)),
-            },
-        );
-        ports.insert(
-            PortId(431),
-            Port {
-                id: PortId(431),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(432),
-            Port {
-                id: PortId(432),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(386)),
-            },
-        );
-        ports.insert(
-            PortId(433),
-            Port {
-                id: PortId(433),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(434),
-            Port {
-                id: PortId(434),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(387)),
-            },
-        );
-        ports.insert(
-            PortId(435),
-            Port {
-                id: PortId(435),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(436),
-            Port {
-                id: PortId(436),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(388)),
-            },
-        );
-        ports.insert(
-            PortId(437),
-            Port {
-                id: PortId(437),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(389)),
-            },
-        );
-        ports.insert(
-            PortId(438),
-            Port {
-                id: PortId(438),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(439),
-            Port {
-                id: PortId(439),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(390)),
-            },
-        );
-        ports.insert(
-            PortId(440),
-            Port {
-                id: PortId(440),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(391)),
-            },
-        );
-        ports.insert(
-            PortId(441),
-            Port {
-                id: PortId(441),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(392)),
-            },
-        );
-        ports.insert(
-            PortId(442),
-            Port {
-                id: PortId(442),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(393)),
-            },
-        );
-        ports.insert(
-            PortId(443),
-            Port {
-                id: PortId(443),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(444),
-            Port {
-                id: PortId(444),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(394)),
-            },
-        );
-        ports.insert(
-            PortId(445),
-            Port {
-                id: PortId(445),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(395)),
-            },
-        );
-        ports.insert(
-            PortId(446),
-            Port {
-                id: PortId(446),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(396)),
-            },
-        );
-        ports.insert(
-            PortId(447),
-            Port {
-                id: PortId(447),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(397)),
-            },
-        );
-        ports.insert(
-            PortId(448),
-            Port {
-                id: PortId(448),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(398)),
-            },
-        );
-        ports.insert(
-            PortId(449),
-            Port {
-                id: PortId(449),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(450),
-            Port {
-                id: PortId(450),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(451),
-            Port {
-                id: PortId(451),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(400)),
-            },
-        );
-        ports.insert(
-            PortId(452),
-            Port {
-                id: PortId(452),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(453),
-            Port {
-                id: PortId(453),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(454),
-            Port {
-                id: PortId(454),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(402)),
-            },
-        );
-        ports.insert(
-            PortId(455),
-            Port {
-                id: PortId(455),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(403)),
-            },
-        );
-        ports.insert(
-            PortId(456),
-            Port {
-                id: PortId(456),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(404)),
-            },
-        );
-        ports.insert(
-            PortId(457),
-            Port {
-                id: PortId(457),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(458),
-            Port {
-                id: PortId(458),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(405)),
-            },
-        );
-        ports.insert(
-            PortId(459),
-            Port {
-                id: PortId(459),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(406)),
-            },
-        );
-        ports.insert(
-            PortId(460),
-            Port {
-                id: PortId(460),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(407)),
-            },
-        );
-        ports.insert(
-            PortId(461),
-            Port {
-                id: PortId(461),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(408)),
-            },
-        );
-        ports.insert(
-            PortId(462),
-            Port {
-                id: PortId(462),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(409)),
-            },
-        );
-        ports.insert(
-            PortId(463),
-            Port {
-                id: PortId(463),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(410)),
-            },
-        );
-        ports.insert(
-            PortId(464),
-            Port {
-                id: PortId(464),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(411)),
-            },
-        );
-        ports.insert(
-            PortId(465),
-            Port {
-                id: PortId(465),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(466),
-            Port {
-                id: PortId(466),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(412)),
-            },
-        );
-        ports.insert(
-            PortId(467),
-            Port {
-                id: PortId(467),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(413)),
-            },
-        );
-        ports.insert(
-            PortId(468),
-            Port {
-                id: PortId(468),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(414)),
-            },
-        );
-        ports.insert(
-            PortId(469),
-            Port {
-                id: PortId(469),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(470),
-            Port {
-                id: PortId(470),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(415)),
-            },
-        );
-        ports.insert(
-            PortId(471),
-            Port {
-                id: PortId(471),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(416)),
-            },
-        );
-        ports.insert(
-            PortId(472),
-            Port {
-                id: PortId(472),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(417)),
-            },
-        );
-        ports.insert(
-            PortId(473),
-            Port {
-                id: PortId(473),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(418)),
-            },
-        );
-        ports.insert(
-            PortId(474),
-            Port {
-                id: PortId(474),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(419)),
-            },
-        );
-        ports.insert(
-            PortId(475),
-            Port {
-                id: PortId(475),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(420)),
-            },
-        );
-        ports.insert(
-            PortId(476),
-            Port {
-                id: PortId(476),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(421)),
-            },
-        );
-        ports.insert(
-            PortId(477),
-            Port {
-                id: PortId(477),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(422)),
-            },
-        );
-        ports.insert(
-            PortId(478),
-            Port {
-                id: PortId(478),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(423)),
-            },
-        );
-        ports.insert(
-            PortId(479),
-            Port {
-                id: PortId(479),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(424)),
-            },
-        );
-        ports.insert(
-            PortId(480),
-            Port {
-                id: PortId(480),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(425)),
-            },
-        );
-        ports.insert(
-            PortId(481),
-            Port {
-                id: PortId(481),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(426)),
-            },
-        );
-        ports.insert(
-            PortId(482),
-            Port {
-                id: PortId(482),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(427)),
-            },
-        );
-        ports.insert(
-            PortId(483),
-            Port {
-                id: PortId(483),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(428)),
-            },
-        );
-        ports.insert(
-            PortId(484),
-            Port {
-                id: PortId(484),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(429)),
-            },
-        );
-        ports.insert(
-            PortId(485),
-            Port {
-                id: PortId(485),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(486),
-            Port {
-                id: PortId(486),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(430)),
-            },
-        );
-        ports.insert(
-            PortId(487),
-            Port {
-                id: PortId(487),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(431)),
-            },
-        );
-        ports.insert(
-            PortId(488),
-            Port {
-                id: PortId(488),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(432)),
-            },
-        );
-        ports.insert(
-            PortId(489),
-            Port {
-                id: PortId(489),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(433)),
-            },
-        );
-        ports.insert(
-            PortId(490),
-            Port {
-                id: PortId(490),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(434)),
-            },
-        );
-        ports.insert(
-            PortId(491),
-            Port {
-                id: PortId(491),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(435)),
-            },
-        );
-        ports.insert(
-            PortId(492),
-            Port {
-                id: PortId(492),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(436)),
-            },
-        );
-        ports.insert(
-            PortId(493),
-            Port {
-                id: PortId(493),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(437)),
-            },
-        );
-        ports.insert(
-            PortId(494),
-            Port {
-                id: PortId(494),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(438)),
-            },
-        );
-        ports.insert(
-            PortId(495),
-            Port {
-                id: PortId(495),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(496),
-            Port {
-                id: PortId(496),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(439)),
-            },
-        );
-        ports.insert(
-            PortId(497),
-            Port {
-                id: PortId(497),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(440)),
-            },
-        );
-        ports.insert(
-            PortId(498),
-            Port {
-                id: PortId(498),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(441)),
-            },
-        );
-        ports.insert(
-            PortId(499),
-            Port {
-                id: PortId(499),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(442)),
-            },
-        );
-        ports.insert(
-            PortId(500),
-            Port {
-                id: PortId(500),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(443)),
-            },
-        );
-        ports.insert(
-            PortId(501),
-            Port {
-                id: PortId(501),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(444)),
-            },
-        );
-        ports.insert(
-            PortId(502),
-            Port {
-                id: PortId(502),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(445)),
-            },
-        );
-        ports.insert(
-            PortId(503),
-            Port {
-                id: PortId(503),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(446)),
-            },
-        );
-        ports.insert(
-            PortId(504),
-            Port {
-                id: PortId(504),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(447)),
-            },
-        );
-        ports.insert(
-            PortId(505),
-            Port {
-                id: PortId(505),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(506),
-            Port {
-                id: PortId(506),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(448)),
-            },
-        );
-        ports.insert(
-            PortId(507),
-            Port {
-                id: PortId(507),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(449)),
-            },
-        );
-        ports.insert(
-            PortId(508),
-            Port {
-                id: PortId(508),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(450)),
-            },
-        );
-        ports.insert(
-            PortId(509),
-            Port {
-                id: PortId(509),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(451)),
-            },
-        );
-        ports.insert(
-            PortId(510),
-            Port {
-                id: PortId(510),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(452)),
-            },
-        );
-        ports.insert(
-            PortId(511),
-            Port {
-                id: PortId(511),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(453)),
-            },
-        );
-        ports.insert(
-            PortId(512),
-            Port {
-                id: PortId(512),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(454)),
-            },
-        );
-        ports.insert(
-            PortId(513),
-            Port {
-                id: PortId(513),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(455)),
-            },
-        );
-        ports.insert(
-            PortId(514),
-            Port {
-                id: PortId(514),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(456)),
-            },
-        );
-        ports.insert(
-            PortId(515),
-            Port {
-                id: PortId(515),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(516),
-            Port {
-                id: PortId(516),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(457)),
-            },
-        );
-        ports.insert(
-            PortId(517),
-            Port {
-                id: PortId(517),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(458)),
-            },
-        );
-        ports.insert(
-            PortId(518),
-            Port {
-                id: PortId(518),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(459)),
-            },
-        );
-        ports.insert(
-            PortId(519),
-            Port {
-                id: PortId(519),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(460)),
-            },
-        );
-        ports.insert(
-            PortId(520),
-            Port {
-                id: PortId(520),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(461)),
-            },
-        );
-        ports.insert(
-            PortId(521),
-            Port {
-                id: PortId(521),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(462)),
-            },
-        );
-        ports.insert(
-            PortId(522),
-            Port {
-                id: PortId(522),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(463)),
-            },
-        );
-        ports.insert(
-            PortId(523),
-            Port {
-                id: PortId(523),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(464)),
-            },
-        );
-        ports.insert(
-            PortId(524),
-            Port {
-                id: PortId(524),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(465)),
-            },
-        );
-        ports.insert(
-            PortId(525),
-            Port {
-                id: PortId(525),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(526),
-            Port {
-                id: PortId(526),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(466)),
-            },
-        );
-        ports.insert(
-            PortId(527),
-            Port {
-                id: PortId(527),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(467)),
-            },
-        );
-        ports.insert(
-            PortId(528),
-            Port {
-                id: PortId(528),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(468)),
-            },
-        );
-        ports.insert(
-            PortId(529),
-            Port {
-                id: PortId(529),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(469)),
-            },
-        );
-        ports.insert(
-            PortId(530),
-            Port {
-                id: PortId(530),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(470)),
-            },
-        );
-        ports.insert(
-            PortId(531),
-            Port {
-                id: PortId(531),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(532),
-            Port {
-                id: PortId(532),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(533),
-            Port {
-                id: PortId(533),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(472)),
-            },
-        );
-        ports.insert(
-            PortId(534),
-            Port {
-                id: PortId(534),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: Some(NodeId(473)),
-            },
-        );
-        ports.insert(
-            PortId(535),
-            Port {
-                id: PortId(535),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(536),
-            Port {
-                id: PortId(536),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(537),
-            Port {
-                id: PortId(537),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(475)),
-            },
-        );
-        ports.insert(
-            PortId(538),
-            Port {
-                id: PortId(538),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: Some(NodeId(476)),
-            },
-        );
-        ports.insert(
-            PortId(539),
-            Port {
-                id: PortId(539),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(540),
-            Port {
-                id: PortId(540),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(541),
-            Port {
-                id: PortId(541),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(478)),
-            },
-        );
-        ports.insert(
-            PortId(542),
-            Port {
-                id: PortId(542),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(479)),
-            },
-        );
-        ports.insert(
-            PortId(543),
-            Port {
-                id: PortId(543),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(480)),
-            },
-        );
-        ports.insert(
-            PortId(544),
-            Port {
-                id: PortId(544),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(545),
-            Port {
-                id: PortId(545),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(481)),
-            },
-        );
-        ports.insert(
-            PortId(546),
-            Port {
-                id: PortId(546),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(482)),
-            },
-        );
-        ports.insert(
-            PortId(547),
-            Port {
-                id: PortId(547),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(483)),
-            },
-        );
-        ports.insert(
-            PortId(548),
-            Port {
-                id: PortId(548),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(484)),
-            },
-        );
-        ports.insert(
-            PortId(549),
-            Port {
-                id: PortId(549),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(485)),
-            },
-        );
-        ports.insert(
-            PortId(550),
-            Port {
-                id: PortId(550),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2176))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(551),
-            Port {
-                id: PortId(551),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(487)),
-            },
-        );
-        ports.insert(
-            PortId(552),
-            Port {
-                id: PortId(552),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(488)),
-            },
-        );
-        ports.insert(
-            PortId(553),
-            Port {
-                id: PortId(553),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2173))),
-                produced_by: Some(NodeId(489)),
-            },
-        );
-        ports.insert(
-            PortId(554),
-            Port {
-                id: PortId(554),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(490)),
-            },
-        );
-        ports.insert(
-            PortId(555),
-            Port {
-                id: PortId(555),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2177))),
-                produced_by: Some(NodeId(491)),
-            },
-        );
-        ports.insert(
-            PortId(556),
-            Port {
-                id: PortId(556),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2178))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(557),
-            Port {
-                id: PortId(557),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(493)),
-            },
-        );
-        ports.insert(
-            PortId(558),
-            Port {
-                id: PortId(558),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(559),
-            Port {
-                id: PortId(559),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(494)),
-            },
-        );
-        ports.insert(
-            PortId(560),
-            Port {
-                id: PortId(560),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(495)),
-            },
-        );
-        ports.insert(
-            PortId(561),
-            Port {
-                id: PortId(561),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(496)),
-            },
-        );
-        ports.insert(
-            PortId(562),
-            Port {
-                id: PortId(562),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(497)),
-            },
-        );
-        ports.insert(
-            PortId(563),
-            Port {
-                id: PortId(563),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(498)),
-            },
-        );
-        ports.insert(
-            PortId(564),
-            Port {
-                id: PortId(564),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(499)),
-            },
-        );
-        ports.insert(
-            PortId(565),
-            Port {
-                id: PortId(565),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(500)),
-            },
-        );
-        ports.insert(
-            PortId(566),
-            Port {
-                id: PortId(566),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(501)),
-            },
-        );
-        ports.insert(
-            PortId(567),
-            Port {
-                id: PortId(567),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(502)),
-            },
-        );
-        ports.insert(
-            PortId(568),
-            Port {
-                id: PortId(568),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(503)),
-            },
-        );
-        ports.insert(
-            PortId(569),
-            Port {
-                id: PortId(569),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2179))),
-                produced_by: Some(NodeId(504)),
-            },
-        );
-        ports.insert(
-            PortId(570),
-            Port {
-                id: PortId(570),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2180))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(571),
-            Port {
-                id: PortId(571),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(506)),
-            },
-        );
-        ports.insert(
-            PortId(572),
-            Port {
-                id: PortId(572),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(507)),
-            },
-        );
-        ports.insert(
-            PortId(573),
-            Port {
-                id: PortId(573),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(508)),
-            },
-        );
-        ports.insert(
-            PortId(574),
-            Port {
-                id: PortId(574),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(509)),
-            },
-        );
-        ports.insert(
-            PortId(575),
-            Port {
-                id: PortId(575),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(510)),
-            },
-        );
-        ports.insert(
-            PortId(576),
-            Port {
-                id: PortId(576),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2181))),
-                produced_by: Some(NodeId(511)),
-            },
-        );
-        ports.insert(
-            PortId(577),
-            Port {
-                id: PortId(577),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2182))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(578),
-            Port {
-                id: PortId(578),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(513)),
-            },
-        );
-        ports.insert(
-            PortId(579),
-            Port {
-                id: PortId(579),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(580),
-            Port {
-                id: PortId(580),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(514)),
-            },
-        );
-        ports.insert(
-            PortId(581),
-            Port {
-                id: PortId(581),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(515)),
-            },
-        );
-        ports.insert(
-            PortId(582),
-            Port {
-                id: PortId(582),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(516)),
-            },
-        );
-        ports.insert(
-            PortId(583),
-            Port {
-                id: PortId(583),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(517)),
-            },
-        );
-        ports.insert(
-            PortId(584),
-            Port {
-                id: PortId(584),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(518)),
-            },
-        );
-        ports.insert(
-            PortId(585),
-            Port {
-                id: PortId(585),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(519)),
-            },
-        );
-        ports.insert(
-            PortId(586),
-            Port {
-                id: PortId(586),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(520)),
-            },
-        );
-        ports.insert(
-            PortId(587),
-            Port {
-                id: PortId(587),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2183))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(588),
-            Port {
-                id: PortId(588),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(522)),
-            },
-        );
-        ports.insert(
-            PortId(589),
-            Port {
-                id: PortId(589),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(590),
-            Port {
-                id: PortId(590),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(523)),
-            },
-        );
-        ports.insert(
-            PortId(591),
-            Port {
-                id: PortId(591),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(524)),
-            },
-        );
-        ports.insert(
-            PortId(592),
-            Port {
-                id: PortId(592),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(525)),
-            },
-        );
-        ports.insert(
-            PortId(593),
-            Port {
-                id: PortId(593),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(526)),
-            },
-        );
-        ports.insert(
-            PortId(594),
-            Port {
-                id: PortId(594),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(527)),
-            },
-        );
-        ports.insert(
-            PortId(595),
-            Port {
-                id: PortId(595),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(528)),
-            },
-        );
-        ports.insert(
-            PortId(596),
-            Port {
-                id: PortId(596),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(529)),
-            },
-        );
-        ports.insert(
-            PortId(597),
-            Port {
-                id: PortId(597),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(530)),
-            },
-        );
-        ports.insert(
-            PortId(598),
-            Port {
-                id: PortId(598),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(531)),
-            },
-        );
-        ports.insert(
-            PortId(599),
-            Port {
-                id: PortId(599),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(532)),
-            },
-        );
-        ports.insert(
-            PortId(600),
-            Port {
-                id: PortId(600),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2184))),
-                produced_by: Some(NodeId(533)),
-            },
-        );
-        ports.insert(
-            PortId(601),
-            Port {
-                id: PortId(601),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(602),
-            Port {
-                id: PortId(602),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(603),
-            Port {
-                id: PortId(603),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(535)),
-            },
-        );
-        ports.insert(
-            PortId(604),
-            Port {
-                id: PortId(604),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(536)),
-            },
-        );
-        ports.insert(
-            PortId(605),
-            Port {
-                id: PortId(605),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(606),
-            Port {
-                id: PortId(606),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(537)),
-            },
-        );
-        ports.insert(
-            PortId(607),
-            Port {
-                id: PortId(607),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(608),
-            Port {
-                id: PortId(608),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(538)),
-            },
-        );
-        ports.insert(
-            PortId(609),
-            Port {
-                id: PortId(609),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(610),
-            Port {
-                id: PortId(610),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(539)),
-            },
-        );
-        ports.insert(
-            PortId(611),
-            Port {
-                id: PortId(611),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(612),
-            Port {
-                id: PortId(612),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(540)),
-            },
-        );
-        ports.insert(
-            PortId(613),
-            Port {
-                id: PortId(613),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(614),
-            Port {
-                id: PortId(614),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(541)),
-            },
-        );
-        ports.insert(
-            PortId(615),
-            Port {
-                id: PortId(615),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(616),
-            Port {
-                id: PortId(616),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(542)),
-            },
-        );
-        ports.insert(
-            PortId(617),
-            Port {
-                id: PortId(617),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(543)),
-            },
-        );
-        ports.insert(
-            PortId(618),
-            Port {
-                id: PortId(618),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(619),
-            Port {
-                id: PortId(619),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(620),
-            Port {
-                id: PortId(620),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(545)),
-            },
-        );
-        ports.insert(
-            PortId(621),
-            Port {
-                id: PortId(621),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(546)),
-            },
-        );
-        ports.insert(
-            PortId(622),
-            Port {
-                id: PortId(622),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(623),
-            Port {
-                id: PortId(623),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(547)),
-            },
-        );
-        ports.insert(
-            PortId(624),
-            Port {
-                id: PortId(624),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(625),
-            Port {
-                id: PortId(625),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(548)),
-            },
-        );
-        ports.insert(
-            PortId(626),
-            Port {
-                id: PortId(626),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(627),
-            Port {
-                id: PortId(627),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(549)),
-            },
-        );
-        ports.insert(
-            PortId(628),
-            Port {
-                id: PortId(628),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(629),
-            Port {
-                id: PortId(629),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(550)),
-            },
-        );
-        ports.insert(
-            PortId(630),
-            Port {
-                id: PortId(630),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(631),
-            Port {
-                id: PortId(631),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(551)),
-            },
-        );
-        ports.insert(
-            PortId(632),
-            Port {
-                id: PortId(632),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(633),
-            Port {
-                id: PortId(633),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(552)),
-            },
-        );
-        ports.insert(
-            PortId(634),
-            Port {
-                id: PortId(634),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(553)),
-            },
-        );
-        ports.insert(
-            PortId(635),
-            Port {
-                id: PortId(635),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2185))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(636),
-            Port {
-                id: PortId(636),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(555)),
-            },
-        );
-        ports.insert(
-            PortId(637),
-            Port {
-                id: PortId(637),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(556)),
-            },
-        );
-        ports.insert(
-            PortId(638),
-            Port {
-                id: PortId(638),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(639),
-            Port {
-                id: PortId(639),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(557)),
-            },
-        );
-        ports.insert(
-            PortId(640),
-            Port {
-                id: PortId(640),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(558)),
-            },
-        );
-        ports.insert(
-            PortId(641),
-            Port {
-                id: PortId(641),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(642),
-            Port {
-                id: PortId(642),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(559)),
-            },
-        );
-        ports.insert(
-            PortId(643),
-            Port {
-                id: PortId(643),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(560)),
-            },
-        );
-        ports.insert(
-            PortId(644),
-            Port {
-                id: PortId(644),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(561)),
-            },
-        );
-        ports.insert(
-            PortId(645),
-            Port {
-                id: PortId(645),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(562)),
-            },
-        );
-        ports.insert(
-            PortId(646),
-            Port {
-                id: PortId(646),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(563)),
-            },
-        );
-        ports.insert(
-            PortId(647),
-            Port {
-                id: PortId(647),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(564)),
-            },
-        );
-        ports.insert(
-            PortId(648),
-            Port {
-                id: PortId(648),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(565)),
-            },
-        );
-        ports.insert(
-            PortId(649),
-            Port {
-                id: PortId(649),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2186))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(650),
-            Port {
-                id: PortId(650),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(567)),
-            },
-        );
-        ports.insert(
-            PortId(651),
-            Port {
-                id: PortId(651),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(568)),
-            },
-        );
-        ports.insert(
-            PortId(652),
-            Port {
-                id: PortId(652),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(653),
-            Port {
-                id: PortId(653),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(569)),
-            },
-        );
-        ports.insert(
-            PortId(654),
-            Port {
-                id: PortId(654),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(570)),
-            },
-        );
-        ports.insert(
-            PortId(655),
-            Port {
-                id: PortId(655),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(656),
-            Port {
-                id: PortId(656),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(571)),
-            },
-        );
-        ports.insert(
-            PortId(657),
-            Port {
-                id: PortId(657),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(572)),
-            },
-        );
-        ports.insert(
-            PortId(658),
-            Port {
-                id: PortId(658),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(573)),
-            },
-        );
-        ports.insert(
-            PortId(659),
-            Port {
-                id: PortId(659),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(574)),
-            },
-        );
-        ports.insert(
-            PortId(660),
-            Port {
-                id: PortId(660),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(575)),
-            },
-        );
-        ports.insert(
-            PortId(661),
-            Port {
-                id: PortId(661),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(576)),
-            },
-        );
-        ports.insert(
-            PortId(662),
-            Port {
-                id: PortId(662),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(577)),
-            },
-        );
-        ports.insert(
-            PortId(663),
-            Port {
-                id: PortId(663),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2187))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(664),
-            Port {
-                id: PortId(664),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(579)),
-            },
-        );
-        ports.insert(
-            PortId(665),
-            Port {
-                id: PortId(665),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(580)),
-            },
-        );
-        ports.insert(
-            PortId(666),
-            Port {
-                id: PortId(666),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(667),
-            Port {
-                id: PortId(667),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(581)),
-            },
-        );
-        ports.insert(
-            PortId(668),
-            Port {
-                id: PortId(668),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(582)),
-            },
-        );
-        ports.insert(
-            PortId(669),
-            Port {
-                id: PortId(669),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(670),
-            Port {
-                id: PortId(670),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(583)),
-            },
-        );
-        ports.insert(
-            PortId(671),
-            Port {
-                id: PortId(671),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(584)),
-            },
-        );
-        ports.insert(
-            PortId(672),
-            Port {
-                id: PortId(672),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(585)),
-            },
-        );
-        ports.insert(
-            PortId(673),
-            Port {
-                id: PortId(673),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(586)),
-            },
-        );
-        ports.insert(
-            PortId(674),
-            Port {
-                id: PortId(674),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(675),
-            Port {
-                id: PortId(675),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(587)),
-            },
-        );
-        ports.insert(
-            PortId(676),
-            Port {
-                id: PortId(676),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(588)),
-            },
-        );
-        ports.insert(
-            PortId(677),
-            Port {
-                id: PortId(677),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(589)),
-            },
-        );
-        ports.insert(
-            PortId(678),
-            Port {
-                id: PortId(678),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(590)),
-            },
-        );
-        ports.insert(
-            PortId(679),
-            Port {
-                id: PortId(679),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(591)),
-            },
-        );
-        ports.insert(
-            PortId(680),
-            Port {
-                id: PortId(680),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(592)),
-            },
-        );
-        ports.insert(
-            PortId(681),
-            Port {
-                id: PortId(681),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(593)),
-            },
-        );
-        ports.insert(
-            PortId(682),
-            Port {
-                id: PortId(682),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(594)),
-            },
-        );
-        ports.insert(
-            PortId(683),
-            Port {
-                id: PortId(683),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(684),
-            Port {
-                id: PortId(684),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(685),
-            Port {
-                id: PortId(685),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(686),
-            Port {
-                id: PortId(686),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(596)),
-            },
-        );
-        ports.insert(
-            PortId(687),
-            Port {
-                id: PortId(687),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(688),
-            Port {
-                id: PortId(688),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(597)),
-            },
-        );
-        ports.insert(
-            PortId(689),
-            Port {
-                id: PortId(689),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(690),
-            Port {
-                id: PortId(690),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(598)),
-            },
-        );
-        ports.insert(
-            PortId(691),
-            Port {
-                id: PortId(691),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(692),
-            Port {
-                id: PortId(692),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(599)),
-            },
-        );
-        ports.insert(
-            PortId(693),
-            Port {
-                id: PortId(693),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(694),
-            Port {
-                id: PortId(694),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(600)),
-            },
-        );
-        ports.insert(
-            PortId(695),
-            Port {
-                id: PortId(695),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(696),
-            Port {
-                id: PortId(696),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(601)),
-            },
-        );
-        ports.insert(
-            PortId(697),
-            Port {
-                id: PortId(697),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(698),
-            Port {
-                id: PortId(698),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(602)),
-            },
-        );
-        ports.insert(
-            PortId(699),
-            Port {
-                id: PortId(699),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(603)),
-            },
-        );
-        ports.insert(
-            PortId(700),
-            Port {
-                id: PortId(700),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(701),
-            Port {
-                id: PortId(701),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(702),
-            Port {
-                id: PortId(702),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(703),
-            Port {
-                id: PortId(703),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(704),
-            Port {
-                id: PortId(704),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(605)),
-            },
-        );
-        ports.insert(
-            PortId(705),
-            Port {
-                id: PortId(705),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(706),
-            Port {
-                id: PortId(706),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(606)),
-            },
-        );
-        ports.insert(
-            PortId(707),
-            Port {
-                id: PortId(707),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(708),
-            Port {
-                id: PortId(708),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(607)),
-            },
-        );
-        ports.insert(
-            PortId(709),
-            Port {
-                id: PortId(709),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(710),
-            Port {
-                id: PortId(710),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(608)),
-            },
-        );
-        ports.insert(
-            PortId(711),
-            Port {
-                id: PortId(711),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(712),
-            Port {
-                id: PortId(712),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(609)),
-            },
-        );
-        ports.insert(
-            PortId(713),
-            Port {
-                id: PortId(713),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(714),
-            Port {
-                id: PortId(714),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(610)),
-            },
-        );
-        ports.insert(
-            PortId(715),
-            Port {
-                id: PortId(715),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(716),
-            Port {
-                id: PortId(716),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(611)),
-            },
-        );
-        ports.insert(
-            PortId(717),
-            Port {
-                id: PortId(717),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(612)),
-            },
-        );
-        ports.insert(
-            PortId(718),
-            Port {
-                id: PortId(718),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(719),
-            Port {
-                id: PortId(719),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(720),
-            Port {
-                id: PortId(720),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(721),
-            Port {
-                id: PortId(721),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(722),
-            Port {
-                id: PortId(722),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(614)),
-            },
-        );
-        ports.insert(
-            PortId(723),
-            Port {
-                id: PortId(723),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(615)),
-            },
-        );
-        ports.insert(
-            PortId(724),
-            Port {
-                id: PortId(724),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(616)),
-            },
-        );
-        ports.insert(
-            PortId(725),
-            Port {
-                id: PortId(725),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(617)),
-            },
-        );
-        ports.insert(
-            PortId(726),
-            Port {
-                id: PortId(726),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(727),
-            Port {
-                id: PortId(727),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(728),
-            Port {
-                id: PortId(728),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(619)),
-            },
-        );
-        ports.insert(
-            PortId(729),
-            Port {
-                id: PortId(729),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(620)),
-            },
-        );
-        ports.insert(
-            PortId(730),
-            Port {
-                id: PortId(730),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(731),
-            Port {
-                id: PortId(731),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(732),
-            Port {
-                id: PortId(732),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(622)),
-            },
-        );
-        ports.insert(
-            PortId(733),
-            Port {
-                id: PortId(733),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(623)),
-            },
-        );
-        ports.insert(
-            PortId(734),
-            Port {
-                id: PortId(734),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(624)),
-            },
-        );
-        ports.insert(
-            PortId(735),
-            Port {
-                id: PortId(735),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(625)),
-            },
-        );
-        ports.insert(
-            PortId(736),
-            Port {
-                id: PortId(736),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(626)),
-            },
-        );
-        ports.insert(
-            PortId(737),
-            Port {
-                id: PortId(737),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: Some(NodeId(627)),
-            },
-        );
-        ports.insert(
-            PortId(738),
-            Port {
-                id: PortId(738),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(739),
-            Port {
-                id: PortId(739),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(629)),
-            },
-        );
-        ports.insert(
-            PortId(740),
-            Port {
-                id: PortId(740),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2188))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(741),
-            Port {
-                id: PortId(741),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(742),
-            Port {
-                id: PortId(742),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(631)),
-            },
-        );
-        ports.insert(
-            PortId(743),
-            Port {
-                id: PortId(743),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(744),
-            Port {
-                id: PortId(744),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(632)),
-            },
-        );
-        ports.insert(
-            PortId(745),
-            Port {
-                id: PortId(745),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(633)),
-            },
-        );
-        ports.insert(
-            PortId(746),
-            Port {
-                id: PortId(746),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(634)),
-            },
-        );
-        ports.insert(
-            PortId(747),
-            Port {
-                id: PortId(747),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(635)),
-            },
-        );
-        ports.insert(
-            PortId(748),
-            Port {
-                id: PortId(748),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(636)),
-            },
-        );
-        ports.insert(
-            PortId(749),
-            Port {
-                id: PortId(749),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(637)),
-            },
-        );
-        ports.insert(
-            PortId(750),
-            Port {
-                id: PortId(750),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(638)),
-            },
-        );
-        ports.insert(
-            PortId(751),
-            Port {
-                id: PortId(751),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(639)),
-            },
-        );
-        ports.insert(
-            PortId(752),
-            Port {
-                id: PortId(752),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(640)),
-            },
-        );
-        ports.insert(
-            PortId(753),
-            Port {
-                id: PortId(753),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(641)),
-            },
-        );
-        ports.insert(
-            PortId(754),
-            Port {
-                id: PortId(754),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2189))),
-                produced_by: Some(NodeId(642)),
-            },
-        );
-        ports.insert(
-            PortId(755),
-            Port {
-                id: PortId(755),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2190))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(756),
-            Port {
-                id: PortId(756),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(757),
-            Port {
-                id: PortId(757),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(644)),
-            },
-        );
-        ports.insert(
-            PortId(758),
-            Port {
-                id: PortId(758),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(645)),
-            },
-        );
-        ports.insert(
-            PortId(759),
-            Port {
-                id: PortId(759),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(646)),
-            },
-        );
-        ports.insert(
-            PortId(760),
-            Port {
-                id: PortId(760),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(647)),
-            },
-        );
-        ports.insert(
-            PortId(761),
-            Port {
-                id: PortId(761),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(648)),
-            },
-        );
-        ports.insert(
-            PortId(762),
-            Port {
-                id: PortId(762),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2191))),
-                produced_by: Some(NodeId(649)),
-            },
-        );
-        ports.insert(
-            PortId(763),
-            Port {
-                id: PortId(763),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2192))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(764),
-            Port {
-                id: PortId(764),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(651)),
-            },
-        );
-        ports.insert(
-            PortId(765),
-            Port {
-                id: PortId(765),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2193))),
-                produced_by: Some(NodeId(652)),
-            },
-        );
-        ports.insert(
-            PortId(766),
-            Port {
-                id: PortId(766),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1200))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(767),
-            Port {
-                id: PortId(767),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(654)),
-            },
-        );
-        ports.insert(
-            PortId(768),
-            Port {
-                id: PortId(768),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(655)),
-            },
-        );
-        ports.insert(
-            PortId(769),
-            Port {
-                id: PortId(769),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(770),
-            Port {
-                id: PortId(770),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(656)),
-            },
-        );
-        ports.insert(
-            PortId(771),
-            Port {
-                id: PortId(771),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(657)),
-            },
-        );
-        ports.insert(
-            PortId(772),
-            Port {
-                id: PortId(772),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(773),
-            Port {
-                id: PortId(773),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(658)),
-            },
-        );
-        ports.insert(
-            PortId(774),
-            Port {
-                id: PortId(774),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(659)),
-            },
-        );
-        ports.insert(
-            PortId(775),
-            Port {
-                id: PortId(775),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(776),
-            Port {
-                id: PortId(776),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(660)),
-            },
-        );
-        ports.insert(
-            PortId(777),
-            Port {
-                id: PortId(777),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(661)),
-            },
-        );
-        ports.insert(
-            PortId(778),
-            Port {
-                id: PortId(778),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(779),
-            Port {
-                id: PortId(779),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(662)),
-            },
-        );
-        ports.insert(
-            PortId(780),
-            Port {
-                id: PortId(780),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(663)),
-            },
-        );
-        ports.insert(
-            PortId(781),
-            Port {
-                id: PortId(781),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(664)),
-            },
-        );
-        ports.insert(
-            PortId(782),
-            Port {
-                id: PortId(782),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(665)),
-            },
-        );
-        ports.insert(
-            PortId(783),
-            Port {
-                id: PortId(783),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(666)),
-            },
-        );
-        ports.insert(
-            PortId(784),
-            Port {
-                id: PortId(784),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(667)),
-            },
-        );
-        ports.insert(
-            PortId(785),
-            Port {
-                id: PortId(785),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(668)),
-            },
-        );
-        ports.insert(
-            PortId(786),
-            Port {
-                id: PortId(786),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(669)),
-            },
-        );
-        ports.insert(
-            PortId(787),
-            Port {
-                id: PortId(787),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1199))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(788),
-            Port {
-                id: PortId(788),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(789),
-            Port {
-                id: PortId(789),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(671)),
-            },
-        );
-        ports.insert(
-            PortId(790),
-            Port {
-                id: PortId(790),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(672)),
-            },
-        );
-        ports.insert(
-            PortId(791),
-            Port {
-                id: PortId(791),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(673)),
-            },
-        );
-        ports.insert(
-            PortId(792),
-            Port {
-                id: PortId(792),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(674)),
-            },
-        );
-        ports.insert(
-            PortId(793),
-            Port {
-                id: PortId(793),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(794),
-            Port {
-                id: PortId(794),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(675)),
-            },
-        );
-        ports.insert(
-            PortId(795),
-            Port {
-                id: PortId(795),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(676)),
-            },
-        );
-        ports.insert(
-            PortId(796),
-            Port {
-                id: PortId(796),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(677)),
-            },
-        );
-        ports.insert(
-            PortId(797),
-            Port {
-                id: PortId(797),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(678)),
-            },
-        );
-        ports.insert(
-            PortId(798),
-            Port {
-                id: PortId(798),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2564))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(799),
-            Port {
-                id: PortId(799),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(680)),
-            },
-        );
-        ports.insert(
-            PortId(800),
-            Port {
-                id: PortId(800),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(801),
-            Port {
-                id: PortId(801),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2691))),
-                produced_by: Some(NodeId(682)),
-            },
-        );
-        ports.insert(
-            PortId(802),
-            Port {
-                id: PortId(802),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(154))),
-                produced_by: Some(NodeId(684)),
-            },
-        );
-        ports.insert(
-            PortId(803),
-            Port {
-                id: PortId(803),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(735))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(804),
-            Port {
-                id: PortId(804),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(170))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(805),
-            Port {
-                id: PortId(805),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(171))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(806),
-            Port {
-                id: PortId(806),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(174))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(807),
-            Port {
-                id: PortId(807),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1249))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(808),
-            Port {
-                id: PortId(808),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1252))),
-                produced_by: Some(NodeId(686)),
-            },
-        );
-        ports.insert(
-            PortId(809),
-            Port {
-                id: PortId(809),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: Some(NodeId(688)),
-            },
-        );
-        ports.insert(
-            PortId(810),
-            Port {
-                id: PortId(810),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(811),
-            Port {
-                id: PortId(811),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(812),
-            Port {
-                id: PortId(812),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(813),
-            Port {
-                id: PortId(813),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(690)),
-            },
-        );
-        ports.insert(
-            PortId(814),
-            Port {
-                id: PortId(814),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(691)),
-            },
-        );
-        ports.insert(
-            PortId(815),
-            Port {
-                id: PortId(815),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(692)),
-            },
-        );
-        ports.insert(
-            PortId(816),
-            Port {
-                id: PortId(816),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(693)),
-            },
-        );
-        ports.insert(
-            PortId(817),
-            Port {
-                id: PortId(817),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(818),
-            Port {
-                id: PortId(818),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(694)),
-            },
-        );
-        ports.insert(
-            PortId(819),
-            Port {
-                id: PortId(819),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(695)),
-            },
-        );
-        ports.insert(
-            PortId(820),
-            Port {
-                id: PortId(820),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(696)),
-            },
-        );
-        ports.insert(
-            PortId(821),
-            Port {
-                id: PortId(821),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(697)),
-            },
-        );
-        ports.insert(
-            PortId(822),
-            Port {
-                id: PortId(822),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(698)),
-            },
-        );
-        ports.insert(
-            PortId(823),
-            Port {
-                id: PortId(823),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(699)),
-            },
-        );
-        ports.insert(
-            PortId(824),
-            Port {
-                id: PortId(824),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(825),
-            Port {
-                id: PortId(825),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(700)),
-            },
-        );
-        ports.insert(
-            PortId(826),
-            Port {
-                id: PortId(826),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(701)),
-            },
-        );
-        ports.insert(
-            PortId(827),
-            Port {
-                id: PortId(827),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(702)),
-            },
-        );
-        ports.insert(
-            PortId(828),
-            Port {
-                id: PortId(828),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(829),
-            Port {
-                id: PortId(829),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(703)),
-            },
-        );
-        ports.insert(
-            PortId(830),
-            Port {
-                id: PortId(830),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(704)),
-            },
-        );
-        ports.insert(
-            PortId(831),
-            Port {
-                id: PortId(831),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(705)),
-            },
-        );
-        ports.insert(
-            PortId(832),
-            Port {
-                id: PortId(832),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(706)),
-            },
-        );
-        ports.insert(
-            PortId(833),
-            Port {
-                id: PortId(833),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(834),
-            Port {
-                id: PortId(834),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(707)),
-            },
-        );
-        ports.insert(
-            PortId(835),
-            Port {
-                id: PortId(835),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(708)),
-            },
-        );
-        ports.insert(
-            PortId(836),
-            Port {
-                id: PortId(836),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(709)),
-            },
-        );
-        ports.insert(
-            PortId(837),
-            Port {
-                id: PortId(837),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(710)),
-            },
-        );
-        ports.insert(
-            PortId(838),
-            Port {
-                id: PortId(838),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(711)),
-            },
-        );
-        ports.insert(
-            PortId(839),
-            Port {
-                id: PortId(839),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(712)),
-            },
-        );
-        ports.insert(
-            PortId(840),
-            Port {
-                id: PortId(840),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(713)),
-            },
-        );
-        ports.insert(
-            PortId(841),
-            Port {
-                id: PortId(841),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(714)),
-            },
-        );
-        ports.insert(
-            PortId(842),
-            Port {
-                id: PortId(842),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(715)),
-            },
-        );
-        ports.insert(
-            PortId(843),
-            Port {
-                id: PortId(843),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(716)),
-            },
-        );
-        ports.insert(
-            PortId(844),
-            Port {
-                id: PortId(844),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(717)),
-            },
-        );
-        ports.insert(
-            PortId(845),
-            Port {
-                id: PortId(845),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(718)),
-            },
-        );
-        ports.insert(
-            PortId(846),
-            Port {
-                id: PortId(846),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(719)),
-            },
-        );
-        ports.insert(
-            PortId(847),
-            Port {
-                id: PortId(847),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: Some(NodeId(720)),
-            },
-        );
-        ports.insert(
-            PortId(848),
-            Port {
-                id: PortId(848),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(849),
-            Port {
-                id: PortId(849),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(850),
-            Port {
-                id: PortId(850),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(722)),
-            },
-        );
-        ports.insert(
-            PortId(851),
-            Port {
-                id: PortId(851),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: Some(NodeId(723)),
-            },
-        );
-        ports.insert(
-            PortId(852),
-            Port {
-                id: PortId(852),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(725)),
-            },
-        );
-        ports.insert(
-            PortId(853),
-            Port {
-                id: PortId(853),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1249))),
-                produced_by: Some(NodeId(726)),
-            },
-        );
-        ports.insert(
-            PortId(854),
-            Port {
-                id: PortId(854),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(728)),
-            },
-        );
-        ports.insert(
-            PortId(855),
-            Port {
-                id: PortId(855),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: Some(NodeId(729)),
-            },
-        );
-        ports.insert(
-            PortId(856),
-            Port {
-                id: PortId(856),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(857),
-            Port {
-                id: PortId(857),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(858),
-            Port {
-                id: PortId(858),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(731)),
-            },
-        );
-        ports.insert(
-            PortId(859),
-            Port {
-                id: PortId(859),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: Some(NodeId(732)),
-            },
-        );
-        ports.insert(
-            PortId(860),
-            Port {
-                id: PortId(860),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(734)),
-            },
-        );
-        ports.insert(
-            PortId(861),
-            Port {
-                id: PortId(861),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(735)),
-            },
-        );
-        ports.insert(
-            PortId(862),
-            Port {
-                id: PortId(862),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1050))),
-                produced_by: Some(NodeId(736)),
-            },
-        );
-        ports.insert(
-            PortId(863),
-            Port {
-                id: PortId(863),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(738)),
-            },
-        );
-        ports.insert(
-            PortId(864),
-            Port {
-                id: PortId(864),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(739)),
-            },
-        );
-        ports.insert(
-            PortId(865),
-            Port {
-                id: PortId(865),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1051))),
-                produced_by: Some(NodeId(740)),
-            },
-        );
-        ports.insert(
-            PortId(866),
-            Port {
-                id: PortId(866),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(867),
-            Port {
-                id: PortId(867),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(868),
-            Port {
-                id: PortId(868),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(742)),
-            },
-        );
-        ports.insert(
-            PortId(869),
-            Port {
-                id: PortId(869),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(870),
-            Port {
-                id: PortId(870),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(743)),
-            },
-        );
-        ports.insert(
-            PortId(871),
-            Port {
-                id: PortId(871),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(872),
-            Port {
-                id: PortId(872),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(744)),
-            },
-        );
-        ports.insert(
-            PortId(873),
-            Port {
-                id: PortId(873),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(874),
-            Port {
-                id: PortId(874),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(745)),
-            },
-        );
-        ports.insert(
-            PortId(875),
-            Port {
-                id: PortId(875),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(876),
-            Port {
-                id: PortId(876),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(746)),
-            },
-        );
-        ports.insert(
-            PortId(877),
-            Port {
-                id: PortId(877),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(155))),
-                produced_by: Some(NodeId(747)),
-            },
-        );
-        ports.insert(
-            PortId(878),
-            Port {
-                id: PortId(878),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(879),
-            Port {
-                id: PortId(879),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(155))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(880),
-            Port {
-                id: PortId(880),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(749)),
-            },
-        );
-        ports.insert(
-            PortId(881),
-            Port {
-                id: PortId(881),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(750)),
-            },
-        );
-        ports.insert(
-            PortId(882),
-            Port {
-                id: PortId(882),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(751)),
-            },
-        );
-        ports.insert(
-            PortId(883),
-            Port {
-                id: PortId(883),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: Some(NodeId(752)),
-            },
-        );
-        ports.insert(
-            PortId(884),
-            Port {
-                id: PortId(884),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(754)),
-            },
-        );
-        ports.insert(
-            PortId(885),
-            Port {
-                id: PortId(885),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(755)),
-            },
-        );
-        ports.insert(
-            PortId(886),
-            Port {
-                id: PortId(886),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(756)),
-            },
-        );
-        ports.insert(
-            PortId(887),
-            Port {
-                id: PortId(887),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(155))),
-                produced_by: Some(NodeId(757)),
-            },
-        );
-        ports.insert(
-            PortId(888),
-            Port {
-                id: PortId(888),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(889),
-            Port {
-                id: PortId(889),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(890),
-            Port {
-                id: PortId(890),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(759)),
-            },
-        );
-        ports.insert(
-            PortId(891),
-            Port {
-                id: PortId(891),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2047))),
-                produced_by: Some(NodeId(760)),
-            },
-        );
-        ports.insert(
-            PortId(892),
-            Port {
-                id: PortId(892),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(893),
-            Port {
-                id: PortId(893),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(761)),
-            },
-        );
-        ports.insert(
-            PortId(894),
-            Port {
-                id: PortId(894),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(762)),
-            },
-        );
-        ports.insert(
-            PortId(895),
-            Port {
-                id: PortId(895),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(763)),
-            },
-        );
-        ports.insert(
-            PortId(896),
-            Port {
-                id: PortId(896),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(764)),
-            },
-        );
-        ports.insert(
-            PortId(897),
-            Port {
-                id: PortId(897),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(765)),
-            },
-        );
-        ports.insert(
-            PortId(898),
-            Port {
-                id: PortId(898),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(766)),
-            },
-        );
-        ports.insert(
-            PortId(899),
-            Port {
-                id: PortId(899),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(767)),
-            },
-        );
-        ports.insert(
-            PortId(900),
-            Port {
-                id: PortId(900),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(768)),
-            },
-        );
-        ports.insert(
-            PortId(901),
-            Port {
-                id: PortId(901),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(902),
-            Port {
-                id: PortId(902),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(769)),
-            },
-        );
-        ports.insert(
-            PortId(903),
-            Port {
-                id: PortId(903),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(770)),
-            },
-        );
-        ports.insert(
-            PortId(904),
-            Port {
-                id: PortId(904),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(771)),
-            },
-        );
-        ports.insert(
-            PortId(905),
-            Port {
-                id: PortId(905),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(772)),
-            },
-        );
-        ports.insert(
-            PortId(906),
-            Port {
-                id: PortId(906),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1060))),
-                produced_by: Some(NodeId(773)),
-            },
-        );
-        ports.insert(
-            PortId(907),
-            Port {
-                id: PortId(907),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(908),
-            Port {
-                id: PortId(908),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(829))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(909),
-            Port {
-                id: PortId(909),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(910),
-            Port {
-                id: PortId(910),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(775)),
-            },
-        );
-        ports.insert(
-            PortId(911),
-            Port {
-                id: PortId(911),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(912),
-            Port {
-                id: PortId(912),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(776)),
-            },
-        );
-        ports.insert(
-            PortId(913),
-            Port {
-                id: PortId(913),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(914),
-            Port {
-                id: PortId(914),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(777)),
-            },
-        );
-        ports.insert(
-            PortId(915),
-            Port {
-                id: PortId(915),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(778)),
-            },
-        );
-        ports.insert(
-            PortId(916),
-            Port {
-                id: PortId(916),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(779)),
-            },
-        );
-        ports.insert(
-            PortId(917),
-            Port {
-                id: PortId(917),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(780)),
-            },
-        );
-        ports.insert(
-            PortId(918),
-            Port {
-                id: PortId(918),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(781)),
-            },
-        );
-        ports.insert(
-            PortId(919),
-            Port {
-                id: PortId(919),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: Some(NodeId(782)),
-            },
-        );
-        ports.insert(
-            PortId(920),
-            Port {
-                id: PortId(920),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(921),
-            Port {
-                id: PortId(921),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(922),
-            Port {
-                id: PortId(922),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(923),
-            Port {
-                id: PortId(923),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(784)),
-            },
-        );
-        ports.insert(
-            PortId(924),
-            Port {
-                id: PortId(924),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(785)),
-            },
-        );
-        ports.insert(
-            PortId(925),
-            Port {
-                id: PortId(925),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(786)),
-            },
-        );
-        ports.insert(
-            PortId(926),
-            Port {
-                id: PortId(926),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(787)),
-            },
-        );
-        ports.insert(
-            PortId(927),
-            Port {
-                id: PortId(927),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(788)),
-            },
-        );
-        ports.insert(
-            PortId(928),
-            Port {
-                id: PortId(928),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(789)),
-            },
-        );
-        ports.insert(
-            PortId(929),
-            Port {
-                id: PortId(929),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(790)),
-            },
-        );
-        ports.insert(
-            PortId(930),
-            Port {
-                id: PortId(930),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(931),
-            Port {
-                id: PortId(931),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(791)),
-            },
-        );
-        ports.insert(
-            PortId(932),
-            Port {
-                id: PortId(932),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(792)),
-            },
-        );
-        ports.insert(
-            PortId(933),
-            Port {
-                id: PortId(933),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(793)),
-            },
-        );
-        ports.insert(
-            PortId(934),
-            Port {
-                id: PortId(934),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(794)),
-            },
-        );
-        ports.insert(
-            PortId(935),
-            Port {
-                id: PortId(935),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(795)),
-            },
-        );
-        ports.insert(
-            PortId(936),
-            Port {
-                id: PortId(936),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(796)),
-            },
-        );
-        ports.insert(
-            PortId(937),
-            Port {
-                id: PortId(937),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(797)),
-            },
-        );
-        ports.insert(
-            PortId(938),
-            Port {
-                id: PortId(938),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(939),
-            Port {
-                id: PortId(939),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(798)),
-            },
-        );
-        ports.insert(
-            PortId(940),
-            Port {
-                id: PortId(940),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(799)),
-            },
-        );
-        ports.insert(
-            PortId(941),
-            Port {
-                id: PortId(941),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(800)),
-            },
-        );
-        ports.insert(
-            PortId(942),
-            Port {
-                id: PortId(942),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(801)),
-            },
-        );
-        ports.insert(
-            PortId(943),
-            Port {
-                id: PortId(943),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(802)),
-            },
-        );
-        ports.insert(
-            PortId(944),
-            Port {
-                id: PortId(944),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(803)),
-            },
-        );
-        ports.insert(
-            PortId(945),
-            Port {
-                id: PortId(945),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(804)),
-            },
-        );
-        ports.insert(
-            PortId(946),
-            Port {
-                id: PortId(946),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(947),
-            Port {
-                id: PortId(947),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(805)),
-            },
-        );
-        ports.insert(
-            PortId(948),
-            Port {
-                id: PortId(948),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(806)),
-            },
-        );
-        ports.insert(
-            PortId(949),
-            Port {
-                id: PortId(949),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(807)),
-            },
-        );
-        ports.insert(
-            PortId(950),
-            Port {
-                id: PortId(950),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(808)),
-            },
-        );
-        ports.insert(
-            PortId(951),
-            Port {
-                id: PortId(951),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(809)),
-            },
-        );
-        ports.insert(
-            PortId(952),
-            Port {
-                id: PortId(952),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(810)),
-            },
-        );
-        ports.insert(
-            PortId(953),
-            Port {
-                id: PortId(953),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(811)),
-            },
-        );
-        ports.insert(
-            PortId(954),
-            Port {
-                id: PortId(954),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(955),
-            Port {
-                id: PortId(955),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(812)),
-            },
-        );
-        ports.insert(
-            PortId(956),
-            Port {
-                id: PortId(956),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(813)),
-            },
-        );
-        ports.insert(
-            PortId(957),
-            Port {
-                id: PortId(957),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(814)),
-            },
-        );
-        ports.insert(
-            PortId(958),
-            Port {
-                id: PortId(958),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(815)),
-            },
-        );
-        ports.insert(
-            PortId(959),
-            Port {
-                id: PortId(959),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(816)),
-            },
-        );
-        ports.insert(
-            PortId(960),
-            Port {
-                id: PortId(960),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(817)),
-            },
-        );
-        ports.insert(
-            PortId(961),
-            Port {
-                id: PortId(961),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(818)),
-            },
-        );
-        ports.insert(
-            PortId(962),
-            Port {
-                id: PortId(962),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2692))),
-                produced_by: Some(NodeId(819)),
-            },
-        );
-        ports.insert(
-            PortId(963),
-            Port {
-                id: PortId(963),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(964),
-            Port {
-                id: PortId(964),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(965),
-            Port {
-                id: PortId(965),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(966),
-            Port {
-                id: PortId(966),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(821)),
-            },
-        );
-        ports.insert(
-            PortId(967),
-            Port {
-                id: PortId(967),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(822)),
-            },
-        );
-        ports.insert(
-            PortId(968),
-            Port {
-                id: PortId(968),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(823)),
-            },
-        );
-        ports.insert(
-            PortId(969),
-            Port {
-                id: PortId(969),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(824)),
-            },
-        );
-        ports.insert(
-            PortId(970),
-            Port {
-                id: PortId(970),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(825)),
-            },
-        );
-        ports.insert(
-            PortId(971),
-            Port {
-                id: PortId(971),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(826)),
-            },
-        );
-        ports.insert(
-            PortId(972),
-            Port {
-                id: PortId(972),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(827)),
-            },
-        );
-        ports.insert(
-            PortId(973),
-            Port {
-                id: PortId(973),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(828)),
-            },
-        );
-        ports.insert(
-            PortId(974),
-            Port {
-                id: PortId(974),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(829)),
-            },
-        );
-        ports.insert(
-            PortId(975),
-            Port {
-                id: PortId(975),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(830)),
-            },
-        );
-        ports.insert(
-            PortId(976),
-            Port {
-                id: PortId(976),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(831)),
-            },
-        );
-        ports.insert(
-            PortId(977),
-            Port {
-                id: PortId(977),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(832)),
-            },
-        );
-        ports.insert(
-            PortId(978),
-            Port {
-                id: PortId(978),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1060))),
-                produced_by: Some(NodeId(833)),
-            },
-        );
-        ports.insert(
-            PortId(979),
-            Port {
-                id: PortId(979),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(76))),
-                produced_by: Some(NodeId(835)),
-            },
-        );
-        ports.insert(
-            PortId(980),
-            Port {
-                id: PortId(980),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(981),
-            Port {
-                id: PortId(981),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(982),
-            Port {
-                id: PortId(982),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(837)),
-            },
-        );
-        ports.insert(
-            PortId(983),
-            Port {
-                id: PortId(983),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(838)),
-            },
-        );
-        ports.insert(
-            PortId(984),
-            Port {
-                id: PortId(984),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(839)),
-            },
-        );
-        ports.insert(
-            PortId(985),
-            Port {
-                id: PortId(985),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(840)),
-            },
-        );
-        ports.insert(
-            PortId(986),
-            Port {
-                id: PortId(986),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(841)),
-            },
-        );
-        ports.insert(
-            PortId(987),
-            Port {
-                id: PortId(987),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1257))),
-                produced_by: Some(NodeId(842)),
-            },
-        );
-        ports.insert(
-            PortId(988),
-            Port {
-                id: PortId(988),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(989),
-            Port {
-                id: PortId(989),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1256))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(990),
-            Port {
-                id: PortId(990),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(991),
-            Port {
-                id: PortId(991),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(844)),
-            },
-        );
-        ports.insert(
-            PortId(992),
-            Port {
-                id: PortId(992),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(845)),
-            },
-        );
-        ports.insert(
-            PortId(993),
-            Port {
-                id: PortId(993),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1249))),
-                produced_by: Some(NodeId(846)),
-            },
-        );
-        ports.insert(
-            PortId(994),
-            Port {
-                id: PortId(994),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(76))),
-                produced_by: Some(NodeId(847)),
-            },
-        );
-        ports.insert(
-            PortId(995),
-            Port {
-                id: PortId(995),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(848)),
-            },
-        );
-        ports.insert(
-            PortId(996),
-            Port {
-                id: PortId(996),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(849)),
-            },
-        );
-        ports.insert(
-            PortId(997),
-            Port {
-                id: PortId(997),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(850)),
-            },
-        );
-        ports.insert(
-            PortId(998),
-            Port {
-                id: PortId(998),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(851)),
-            },
-        );
-        ports.insert(
-            PortId(999),
-            Port {
-                id: PortId(999),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(852)),
-            },
-        );
-        ports.insert(
-            PortId(1000),
-            Port {
-                id: PortId(1000),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(853)),
-            },
-        );
-        ports.insert(
-            PortId(1001),
-            Port {
-                id: PortId(1001),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(854)),
-            },
-        );
-        ports.insert(
-            PortId(1002),
-            Port {
-                id: PortId(1002),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(855)),
-            },
-        );
-        ports.insert(
-            PortId(1003),
-            Port {
-                id: PortId(1003),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(856)),
-            },
-        );
-        ports.insert(
-            PortId(1004),
-            Port {
-                id: PortId(1004),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(857)),
-            },
-        );
-        ports.insert(
-            PortId(1005),
-            Port {
-                id: PortId(1005),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(858)),
-            },
-        );
-        ports.insert(
-            PortId(1006),
-            Port {
-                id: PortId(1006),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(859)),
-            },
-        );
-        ports.insert(
-            PortId(1007),
-            Port {
-                id: PortId(1007),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(860)),
-            },
-        );
-        ports.insert(
-            PortId(1008),
-            Port {
-                id: PortId(1008),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(861)),
-            },
-        );
-        ports.insert(
-            PortId(1009),
-            Port {
-                id: PortId(1009),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(862)),
-            },
-        );
-        ports.insert(
-            PortId(1010),
-            Port {
-                id: PortId(1010),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(863)),
-            },
-        );
-        ports.insert(
-            PortId(1011),
-            Port {
-                id: PortId(1011),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(864)),
-            },
-        );
-        ports.insert(
-            PortId(1012),
-            Port {
-                id: PortId(1012),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(865)),
-            },
-        );
-        ports.insert(
-            PortId(1013),
-            Port {
-                id: PortId(1013),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1014),
-            Port {
-                id: PortId(1014),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1015),
-            Port {
-                id: PortId(1015),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1016),
-            Port {
-                id: PortId(1016),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(867)),
-            },
-        );
-        ports.insert(
-            PortId(1017),
-            Port {
-                id: PortId(1017),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(868)),
-            },
-        );
-        ports.insert(
-            PortId(1018),
-            Port {
-                id: PortId(1018),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(869)),
-            },
-        );
-        ports.insert(
-            PortId(1019),
-            Port {
-                id: PortId(1019),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(870)),
-            },
-        );
-        ports.insert(
-            PortId(1020),
-            Port {
-                id: PortId(1020),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1021),
-            Port {
-                id: PortId(1021),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(871)),
-            },
-        );
-        ports.insert(
-            PortId(1022),
-            Port {
-                id: PortId(1022),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(872)),
-            },
-        );
-        ports.insert(
-            PortId(1023),
-            Port {
-                id: PortId(1023),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(873)),
-            },
-        );
-        ports.insert(
-            PortId(1024),
-            Port {
-                id: PortId(1024),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(874)),
-            },
-        );
-        ports.insert(
-            PortId(1025),
-            Port {
-                id: PortId(1025),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1026),
-            Port {
-                id: PortId(1026),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(875)),
-            },
-        );
-        ports.insert(
-            PortId(1027),
-            Port {
-                id: PortId(1027),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(876)),
-            },
-        );
-        ports.insert(
-            PortId(1028),
-            Port {
-                id: PortId(1028),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(877)),
-            },
-        );
-        ports.insert(
-            PortId(1029),
-            Port {
-                id: PortId(1029),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(878)),
-            },
-        );
-        ports.insert(
-            PortId(1030),
-            Port {
-                id: PortId(1030),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1031),
-            Port {
-                id: PortId(1031),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(879)),
-            },
-        );
-        ports.insert(
-            PortId(1032),
-            Port {
-                id: PortId(1032),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(880)),
-            },
-        );
-        ports.insert(
-            PortId(1033),
-            Port {
-                id: PortId(1033),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(881)),
-            },
-        );
-        ports.insert(
-            PortId(1034),
-            Port {
-                id: PortId(1034),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(882)),
-            },
-        );
-        ports.insert(
-            PortId(1035),
-            Port {
-                id: PortId(1035),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1036),
-            Port {
-                id: PortId(1036),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(883)),
-            },
-        );
-        ports.insert(
-            PortId(1037),
-            Port {
-                id: PortId(1037),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(884)),
-            },
-        );
-        ports.insert(
-            PortId(1038),
-            Port {
-                id: PortId(1038),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(885)),
-            },
-        );
-        ports.insert(
-            PortId(1039),
-            Port {
-                id: PortId(1039),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(886)),
-            },
-        );
-        ports.insert(
-            PortId(1040),
-            Port {
-                id: PortId(1040),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1041),
-            Port {
-                id: PortId(1041),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(887)),
-            },
-        );
-        ports.insert(
-            PortId(1042),
-            Port {
-                id: PortId(1042),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(888)),
-            },
-        );
-        ports.insert(
-            PortId(1043),
-            Port {
-                id: PortId(1043),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(889)),
-            },
-        );
-        ports.insert(
-            PortId(1044),
-            Port {
-                id: PortId(1044),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(890)),
-            },
-        );
-        ports.insert(
-            PortId(1045),
-            Port {
-                id: PortId(1045),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1046),
-            Port {
-                id: PortId(1046),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(891)),
-            },
-        );
-        ports.insert(
-            PortId(1047),
-            Port {
-                id: PortId(1047),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(892)),
-            },
-        );
-        ports.insert(
-            PortId(1048),
-            Port {
-                id: PortId(1048),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(893)),
-            },
-        );
-        ports.insert(
-            PortId(1049),
-            Port {
-                id: PortId(1049),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(894)),
-            },
-        );
-        ports.insert(
-            PortId(1050),
-            Port {
-                id: PortId(1050),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1051),
-            Port {
-                id: PortId(1051),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(895)),
-            },
-        );
-        ports.insert(
-            PortId(1052),
-            Port {
-                id: PortId(1052),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(896)),
-            },
-        );
-        ports.insert(
-            PortId(1053),
-            Port {
-                id: PortId(1053),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(897)),
-            },
-        );
-        ports.insert(
-            PortId(1054),
-            Port {
-                id: PortId(1054),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(898)),
-            },
-        );
-        ports.insert(
-            PortId(1055),
-            Port {
-                id: PortId(1055),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1056),
-            Port {
-                id: PortId(1056),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(899)),
-            },
-        );
-        ports.insert(
-            PortId(1057),
-            Port {
-                id: PortId(1057),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(900)),
-            },
-        );
-        ports.insert(
-            PortId(1058),
-            Port {
-                id: PortId(1058),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(901)),
-            },
-        );
-        ports.insert(
-            PortId(1059),
-            Port {
-                id: PortId(1059),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(902)),
-            },
-        );
-        ports.insert(
-            PortId(1060),
-            Port {
-                id: PortId(1060),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1061),
-            Port {
-                id: PortId(1061),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(903)),
-            },
-        );
-        ports.insert(
-            PortId(1062),
-            Port {
-                id: PortId(1062),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(904)),
-            },
-        );
-        ports.insert(
-            PortId(1063),
-            Port {
-                id: PortId(1063),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(905)),
-            },
-        );
-        ports.insert(
-            PortId(1064),
-            Port {
-                id: PortId(1064),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(906)),
-            },
-        );
-        ports.insert(
-            PortId(1065),
-            Port {
-                id: PortId(1065),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2713))),
-                produced_by: Some(NodeId(907)),
-            },
-        );
-        ports.insert(
-            PortId(1066),
-            Port {
-                id: PortId(1066),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1067),
-            Port {
-                id: PortId(1067),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1068),
-            Port {
-                id: PortId(1068),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2714))),
-                produced_by: Some(NodeId(909)),
-            },
-        );
-        ports.insert(
-            PortId(1069),
-            Port {
-                id: PortId(1069),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2715))),
-                produced_by: Some(NodeId(911)),
-            },
-        );
-        ports.insert(
-            PortId(1070),
-            Port {
-                id: PortId(1070),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2716))),
-                produced_by: Some(NodeId(913)),
-            },
-        );
-        ports.insert(
-            PortId(1071),
-            Port {
-                id: PortId(1071),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2717))),
-                produced_by: Some(NodeId(915)),
-            },
-        );
-        ports.insert(
-            PortId(1072),
-            Port {
-                id: PortId(1072),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2718))),
-                produced_by: Some(NodeId(917)),
-            },
-        );
-        ports.insert(
-            PortId(1073),
-            Port {
-                id: PortId(1073),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2719))),
-                produced_by: Some(NodeId(919)),
-            },
-        );
-        ports.insert(
-            PortId(1074),
-            Port {
-                id: PortId(1074),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2721))),
-                produced_by: Some(NodeId(921)),
-            },
-        );
-        ports.insert(
-            PortId(1075),
-            Port {
-                id: PortId(1075),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1076),
-            Port {
-                id: PortId(1076),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(923)),
-            },
-        );
-        ports.insert(
-            PortId(1077),
-            Port {
-                id: PortId(1077),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(924)),
-            },
-        );
-        ports.insert(
-            PortId(1078),
-            Port {
-                id: PortId(1078),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2723))),
-                produced_by: Some(NodeId(925)),
-            },
-        );
-        ports.insert(
-            PortId(1079),
-            Port {
-                id: PortId(1079),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1080),
-            Port {
-                id: PortId(1080),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(927)),
-            },
-        );
-        ports.insert(
-            PortId(1081),
-            Port {
-                id: PortId(1081),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2724))),
-                produced_by: Some(NodeId(928)),
-            },
-        );
-        ports.insert(
-            PortId(1082),
-            Port {
-                id: PortId(1082),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1083),
-            Port {
-                id: PortId(1083),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(930)),
-            },
-        );
-        ports.insert(
-            PortId(1084),
-            Port {
-                id: PortId(1084),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(931)),
-            },
-        );
-        ports.insert(
-            PortId(1085),
-            Port {
-                id: PortId(1085),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2725))),
-                produced_by: Some(NodeId(932)),
-            },
-        );
-        ports.insert(
-            PortId(1086),
-            Port {
-                id: PortId(1086),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1087),
-            Port {
-                id: PortId(1087),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1088),
-            Port {
-                id: PortId(1088),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(934)),
-            },
-        );
-        ports.insert(
-            PortId(1089),
-            Port {
-                id: PortId(1089),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(935)),
-            },
-        );
-        ports.insert(
-            PortId(1090),
-            Port {
-                id: PortId(1090),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(936)),
-            },
-        );
-        ports.insert(
-            PortId(1091),
-            Port {
-                id: PortId(1091),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2726))),
-                produced_by: Some(NodeId(937)),
-            },
-        );
-        ports.insert(
-            PortId(1092),
-            Port {
-                id: PortId(1092),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1093),
-            Port {
-                id: PortId(1093),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1094),
-            Port {
-                id: PortId(1094),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(939)),
-            },
-        );
-        ports.insert(
-            PortId(1095),
-            Port {
-                id: PortId(1095),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(940)),
-            },
-        );
-        ports.insert(
-            PortId(1096),
-            Port {
-                id: PortId(1096),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1097),
-            Port {
-                id: PortId(1097),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(941)),
-            },
-        );
-        ports.insert(
-            PortId(1098),
-            Port {
-                id: PortId(1098),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(942)),
-            },
-        );
-        ports.insert(
-            PortId(1099),
-            Port {
-                id: PortId(1099),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(943)),
-            },
-        );
-        ports.insert(
-            PortId(1100),
-            Port {
-                id: PortId(1100),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2727))),
-                produced_by: Some(NodeId(944)),
-            },
-        );
-        ports.insert(
-            PortId(1101),
-            Port {
-                id: PortId(1101),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1102),
-            Port {
-                id: PortId(1102),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1103),
-            Port {
-                id: PortId(1103),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1104),
-            Port {
-                id: PortId(1104),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(946)),
-            },
-        );
-        ports.insert(
-            PortId(1105),
-            Port {
-                id: PortId(1105),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(947)),
-            },
-        );
-        ports.insert(
-            PortId(1106),
-            Port {
-                id: PortId(1106),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1107),
-            Port {
-                id: PortId(1107),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(948)),
-            },
-        );
-        ports.insert(
-            PortId(1108),
-            Port {
-                id: PortId(1108),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(949)),
-            },
-        );
-        ports.insert(
-            PortId(1109),
-            Port {
-                id: PortId(1109),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(950)),
-            },
-        );
-        ports.insert(
-            PortId(1110),
-            Port {
-                id: PortId(1110),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2728))),
-                produced_by: Some(NodeId(951)),
-            },
-        );
-        ports.insert(
-            PortId(1111),
-            Port {
-                id: PortId(1111),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1112),
-            Port {
-                id: PortId(1112),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1250))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1113),
-            Port {
-                id: PortId(1113),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1060))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1114),
-            Port {
-                id: PortId(1114),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(953)),
-            },
-        );
-        ports.insert(
-            PortId(1115),
-            Port {
-                id: PortId(1115),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1116),
-            Port {
-                id: PortId(1116),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(954)),
-            },
-        );
-        ports.insert(
-            PortId(1117),
-            Port {
-                id: PortId(1117),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(955)),
-            },
-        );
-        ports.insert(
-            PortId(1118),
-            Port {
-                id: PortId(1118),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2729))),
-                produced_by: Some(NodeId(956)),
-            },
-        );
-        ports.insert(
-            PortId(1119),
-            Port {
-                id: PortId(1119),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1120),
-            Port {
-                id: PortId(1120),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2730))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1121),
-            Port {
-                id: PortId(1121),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1122),
-            Port {
-                id: PortId(1122),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(958)),
-            },
-        );
-        ports.insert(
-            PortId(1123),
-            Port {
-                id: PortId(1123),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(959)),
-            },
-        );
-        ports.insert(
-            PortId(1124),
-            Port {
-                id: PortId(1124),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1125),
-            Port {
-                id: PortId(1125),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(960)),
-            },
-        );
-        ports.insert(
-            PortId(1126),
-            Port {
-                id: PortId(1126),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(961)),
-            },
-        );
-        ports.insert(
-            PortId(1127),
-            Port {
-                id: PortId(1127),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1128),
-            Port {
-                id: PortId(1128),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(962)),
-            },
-        );
-        ports.insert(
-            PortId(1129),
-            Port {
-                id: PortId(1129),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(963)),
-            },
-        );
-        ports.insert(
-            PortId(1130),
-            Port {
-                id: PortId(1130),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(964)),
-            },
-        );
-        ports.insert(
-            PortId(1131),
-            Port {
-                id: PortId(1131),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(965)),
-            },
-        );
-        ports.insert(
-            PortId(1132),
-            Port {
-                id: PortId(1132),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1133),
-            Port {
-                id: PortId(1133),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(966)),
-            },
-        );
-        ports.insert(
-            PortId(1134),
-            Port {
-                id: PortId(1134),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(967)),
-            },
-        );
-        ports.insert(
-            PortId(1135),
-            Port {
-                id: PortId(1135),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(968)),
-            },
-        );
-        ports.insert(
-            PortId(1136),
-            Port {
-                id: PortId(1136),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(969)),
-            },
-        );
-        ports.insert(
-            PortId(1137),
-            Port {
-                id: PortId(1137),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(970)),
-            },
-        );
-        ports.insert(
-            PortId(1138),
-            Port {
-                id: PortId(1138),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1139),
-            Port {
-                id: PortId(1139),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(971)),
-            },
-        );
-        ports.insert(
-            PortId(1140),
-            Port {
-                id: PortId(1140),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(972)),
-            },
-        );
-        ports.insert(
-            PortId(1141),
-            Port {
-                id: PortId(1141),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(973)),
-            },
-        );
-        ports.insert(
-            PortId(1142),
-            Port {
-                id: PortId(1142),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(974)),
-            },
-        );
-        ports.insert(
-            PortId(1143),
-            Port {
-                id: PortId(1143),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(975)),
-            },
-        );
-        ports.insert(
-            PortId(1144),
-            Port {
-                id: PortId(1144),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(976)),
-            },
-        );
-        ports.insert(
-            PortId(1145),
-            Port {
-                id: PortId(1145),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2731))),
-                produced_by: Some(NodeId(977)),
-            },
-        );
-        ports.insert(
-            PortId(1146),
-            Port {
-                id: PortId(1146),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1147),
-            Port {
-                id: PortId(1147),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1148),
-            Port {
-                id: PortId(1148),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(979)),
-            },
-        );
-        ports.insert(
-            PortId(1149),
-            Port {
-                id: PortId(1149),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(980)),
-            },
-        );
-        ports.insert(
-            PortId(1150),
-            Port {
-                id: PortId(1150),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(981)),
-            },
-        );
-        ports.insert(
-            PortId(1151),
-            Port {
-                id: PortId(1151),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(982)),
-            },
-        );
-        ports.insert(
-            PortId(1152),
-            Port {
-                id: PortId(1152),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(983)),
-            },
-        );
-        ports.insert(
-            PortId(1153),
-            Port {
-                id: PortId(1153),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(984)),
-            },
-        );
-        ports.insert(
-            PortId(1154),
-            Port {
-                id: PortId(1154),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2732))),
-                produced_by: Some(NodeId(985)),
-            },
-        );
-        ports.insert(
-            PortId(1155),
-            Port {
-                id: PortId(1155),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1339))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1156),
-            Port {
-                id: PortId(1156),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1157),
-            Port {
-                id: PortId(1157),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(987)),
-            },
-        );
-        ports.insert(
-            PortId(1158),
-            Port {
-                id: PortId(1158),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1159),
-            Port {
-                id: PortId(1159),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(988)),
-            },
-        );
-        ports.insert(
-            PortId(1160),
-            Port {
-                id: PortId(1160),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1341))),
-                produced_by: Some(NodeId(989)),
-            },
-        );
-        ports.insert(
-            PortId(1161),
-            Port {
-                id: PortId(1161),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(817))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1162),
-            Port {
-                id: PortId(1162),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1163),
-            Port {
-                id: PortId(1163),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(991)),
-            },
-        );
-        ports.insert(
-            PortId(1164),
-            Port {
-                id: PortId(1164),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(992)),
-            },
-        );
-        ports.insert(
-            PortId(1165),
-            Port {
-                id: PortId(1165),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(993)),
-            },
-        );
-        ports.insert(
-            PortId(1166),
-            Port {
-                id: PortId(1166),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(994)),
-            },
-        );
-        ports.insert(
-            PortId(1167),
-            Port {
-                id: PortId(1167),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(995)),
-            },
-        );
-        ports.insert(
-            PortId(1168),
-            Port {
-                id: PortId(1168),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1169),
-            Port {
-                id: PortId(1169),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(996)),
-            },
-        );
-        ports.insert(
-            PortId(1170),
-            Port {
-                id: PortId(1170),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(997)),
-            },
-        );
-        ports.insert(
-            PortId(1171),
-            Port {
-                id: PortId(1171),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(998)),
-            },
-        );
-        ports.insert(
-            PortId(1172),
-            Port {
-                id: PortId(1172),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(999)),
-            },
-        );
-        ports.insert(
-            PortId(1173),
-            Port {
-                id: PortId(1173),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1000)),
-            },
-        );
-        ports.insert(
-            PortId(1174),
-            Port {
-                id: PortId(1174),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1001)),
-            },
-        );
-        ports.insert(
-            PortId(1175),
-            Port {
-                id: PortId(1175),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1002)),
-            },
-        );
-        ports.insert(
-            PortId(1176),
-            Port {
-                id: PortId(1176),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1177),
-            Port {
-                id: PortId(1177),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1003)),
-            },
-        );
-        ports.insert(
-            PortId(1178),
-            Port {
-                id: PortId(1178),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1004)),
-            },
-        );
-        ports.insert(
-            PortId(1179),
-            Port {
-                id: PortId(1179),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1005)),
-            },
-        );
-        ports.insert(
-            PortId(1180),
-            Port {
-                id: PortId(1180),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: Some(NodeId(1006)),
-            },
-        );
-        ports.insert(
-            PortId(1181),
-            Port {
-                id: PortId(1181),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(817))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1182),
-            Port {
-                id: PortId(1182),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1183),
-            Port {
-                id: PortId(1183),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1008)),
-            },
-        );
-        ports.insert(
-            PortId(1184),
-            Port {
-                id: PortId(1184),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1009)),
-            },
-        );
-        ports.insert(
-            PortId(1185),
-            Port {
-                id: PortId(1185),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1010)),
-            },
-        );
-        ports.insert(
-            PortId(1186),
-            Port {
-                id: PortId(1186),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1011)),
-            },
-        );
-        ports.insert(
-            PortId(1187),
-            Port {
-                id: PortId(1187),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1012)),
-            },
-        );
-        ports.insert(
-            PortId(1188),
-            Port {
-                id: PortId(1188),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1189),
-            Port {
-                id: PortId(1189),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1013)),
-            },
-        );
-        ports.insert(
-            PortId(1190),
-            Port {
-                id: PortId(1190),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1014)),
-            },
-        );
-        ports.insert(
-            PortId(1191),
-            Port {
-                id: PortId(1191),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1015)),
-            },
-        );
-        ports.insert(
-            PortId(1192),
-            Port {
-                id: PortId(1192),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1016)),
-            },
-        );
-        ports.insert(
-            PortId(1193),
-            Port {
-                id: PortId(1193),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1017)),
-            },
-        );
-        ports.insert(
-            PortId(1194),
-            Port {
-                id: PortId(1194),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1018)),
-            },
-        );
-        ports.insert(
-            PortId(1195),
-            Port {
-                id: PortId(1195),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1019)),
-            },
-        );
-        ports.insert(
-            PortId(1196),
-            Port {
-                id: PortId(1196),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1197),
-            Port {
-                id: PortId(1197),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1020)),
-            },
-        );
-        ports.insert(
-            PortId(1198),
-            Port {
-                id: PortId(1198),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1021)),
-            },
-        );
-        ports.insert(
-            PortId(1199),
-            Port {
-                id: PortId(1199),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1022)),
-            },
-        );
-        ports.insert(
-            PortId(1200),
-            Port {
-                id: PortId(1200),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: Some(NodeId(1023)),
-            },
-        );
-        ports.insert(
-            PortId(1201),
-            Port {
-                id: PortId(1201),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1202),
-            Port {
-                id: PortId(1202),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1025)),
-            },
-        );
-        ports.insert(
-            PortId(1203),
-            Port {
-                id: PortId(1203),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1026)),
-            },
-        );
-        ports.insert(
-            PortId(1204),
-            Port {
-                id: PortId(1204),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1027)),
-            },
-        );
-        ports.insert(
-            PortId(1205),
-            Port {
-                id: PortId(1205),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1028)),
-            },
-        );
-        ports.insert(
-            PortId(1206),
-            Port {
-                id: PortId(1206),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1029)),
-            },
-        );
-        ports
-    }
-}
-
-fn bootstrapped_fixture_dag_diagnostics() -> DiagnosticTable {
-    DiagnosticTable::new()
-}
-
-fn bootstrapped_fixture_dag_clusters() -> Vec<Cluster> {
-    vec![]
-}
-
-fn bootstrapped_fixture_dag_optional_match_disjs() -> HashMap<DeclarationId, DeclarationId> {
-    {
-        let mut map = HashMap::new();
-        map.insert(DeclarationId(386), DeclarationId(3001));
-        map.insert(DeclarationId(388), DeclarationId(3004));
-        map.insert(DeclarationId(424), DeclarationId(3007));
-        map.insert(DeclarationId(470), DeclarationId(3010));
-        map.insert(DeclarationId(471), DeclarationId(3013));
-        map.insert(DeclarationId(472), DeclarationId(3016));
-        map.insert(DeclarationId(524), DeclarationId(3019));
-        map.insert(DeclarationId(526), DeclarationId(3022));
-        map.insert(DeclarationId(527), DeclarationId(3025));
-        map.insert(DeclarationId(528), DeclarationId(3028));
-        map.insert(DeclarationId(552), DeclarationId(3031));
-        map.insert(DeclarationId(595), DeclarationId(3034));
-        map.insert(DeclarationId(615), DeclarationId(3037));
-        map.insert(DeclarationId(616), DeclarationId(3040));
-        map.insert(DeclarationId(618), DeclarationId(3043));
-        map.insert(DeclarationId(621), DeclarationId(3046));
-        map.insert(DeclarationId(626), DeclarationId(3049));
-        map.insert(DeclarationId(627), DeclarationId(3052));
-        map.insert(DeclarationId(631), DeclarationId(3055));
-        map.insert(DeclarationId(632), DeclarationId(3058));
-        map.insert(DeclarationId(633), DeclarationId(3061));
-        map.insert(DeclarationId(638), DeclarationId(3064));
-        map.insert(DeclarationId(1875), DeclarationId(3067));
-        map.insert(DeclarationId(1876), DeclarationId(3070));
-        map.insert(DeclarationId(1880), DeclarationId(3073));
-        map.insert(DeclarationId(1883), DeclarationId(3076));
-        map.insert(DeclarationId(1932), DeclarationId(3079));
-        map.insert(DeclarationId(1933), DeclarationId(3082));
-        map.insert(DeclarationId(1934), DeclarationId(3085));
-        map.insert(DeclarationId(1935), DeclarationId(3088));
-        map.insert(DeclarationId(1936), DeclarationId(3091));
-        map.insert(DeclarationId(1937), DeclarationId(3094));
-        map.insert(DeclarationId(1943), DeclarationId(3097));
-        map.insert(DeclarationId(1999), DeclarationId(3100));
-        map.insert(DeclarationId(2002), DeclarationId(3103));
-        map.insert(DeclarationId(2003), DeclarationId(3106));
-        map.insert(DeclarationId(2004), DeclarationId(3109));
-        map.insert(DeclarationId(2005), DeclarationId(3112));
-        map.insert(DeclarationId(2028), DeclarationId(3115));
-        map.insert(DeclarationId(2033), DeclarationId(3118));
-        map.insert(DeclarationId(2037), DeclarationId(3121));
-        map.insert(DeclarationId(2040), DeclarationId(3124));
-        map.insert(DeclarationId(2041), DeclarationId(3127));
-        map.insert(DeclarationId(2070), DeclarationId(3130));
-        map.insert(DeclarationId(2071), DeclarationId(3133));
-        map.insert(DeclarationId(2075), DeclarationId(3136));
-        map.insert(DeclarationId(2076), DeclarationId(3139));
-        map.insert(DeclarationId(2087), DeclarationId(3142));
-        map.insert(DeclarationId(2088), DeclarationId(3145));
-        map.insert(DeclarationId(2090), DeclarationId(3148));
-        map.insert(DeclarationId(2091), DeclarationId(3151));
-        map.insert(DeclarationId(2093), DeclarationId(3154));
-        map.insert(DeclarationId(2094), DeclarationId(3157));
-        map.insert(DeclarationId(2096), DeclarationId(3160));
-        map.insert(DeclarationId(2098), DeclarationId(3163));
-        map.insert(DeclarationId(2101), DeclarationId(3166));
-        map.insert(DeclarationId(2105), DeclarationId(3169));
-        map.insert(DeclarationId(2107), DeclarationId(3172));
-        map.insert(DeclarationId(2109), DeclarationId(3175));
-        map.insert(DeclarationId(2122), DeclarationId(3178));
-        map.insert(DeclarationId(2123), DeclarationId(3181));
-        map.insert(DeclarationId(2124), DeclarationId(3184));
-        map.insert(DeclarationId(2127), DeclarationId(3187));
-        map.insert(DeclarationId(2128), DeclarationId(3190));
-        map.insert(DeclarationId(2130), DeclarationId(3193));
-        map.insert(DeclarationId(2131), DeclarationId(3196));
-        map.insert(DeclarationId(2165), DeclarationId(3199));
-        map.insert(DeclarationId(2201), DeclarationId(3202));
-        map.insert(DeclarationId(2202), DeclarationId(3205));
-        map.insert(DeclarationId(2203), DeclarationId(3208));
-        map.insert(DeclarationId(2204), DeclarationId(3211));
-        map.insert(DeclarationId(2255), DeclarationId(3214));
-        map.insert(DeclarationId(2256), DeclarationId(3217));
-        map.insert(DeclarationId(2257), DeclarationId(3220));
-        map.insert(DeclarationId(2258), DeclarationId(3223));
-        map.insert(DeclarationId(2259), DeclarationId(3226));
-        map.insert(DeclarationId(2260), DeclarationId(3229));
-        map.insert(DeclarationId(2283), DeclarationId(3232));
-        map.insert(DeclarationId(2437), DeclarationId(3235));
-        map.insert(DeclarationId(2484), DeclarationId(3238));
-        map.insert(DeclarationId(2492), DeclarationId(3241));
-        map.insert(DeclarationId(2506), DeclarationId(3244));
-        map.insert(DeclarationId(2509), DeclarationId(3247));
-        map.insert(DeclarationId(2525), DeclarationId(3250));
-        map.insert(DeclarationId(2526), DeclarationId(3253));
-        map.insert(DeclarationId(2527), DeclarationId(3256));
-        map.insert(DeclarationId(2530), DeclarationId(3259));
-        map.insert(DeclarationId(2531), DeclarationId(3262));
-        map.insert(DeclarationId(2560), DeclarationId(3265));
-        map.insert(DeclarationId(2561), DeclarationId(3268));
-        map.insert(DeclarationId(2567), DeclarationId(3271));
-        map.insert(DeclarationId(2568), DeclarationId(3274));
-        map.insert(DeclarationId(2569), DeclarationId(3277));
-        map.insert(DeclarationId(2570), DeclarationId(3280));
-        map.insert(DeclarationId(2571), DeclarationId(3283));
-        map.insert(DeclarationId(2572), DeclarationId(3286));
-        map.insert(DeclarationId(2833), DeclarationId(3289));
-        map.insert(DeclarationId(2862), DeclarationId(3292));
-        map.insert(DeclarationId(2868), DeclarationId(3295));
-        map.insert(DeclarationId(2873), DeclarationId(3298));
-        map.insert(DeclarationId(2876), DeclarationId(3301));
-        map.insert(DeclarationId(2877), DeclarationId(3304));
-        map.insert(DeclarationId(2897), DeclarationId(3307));
-        map.insert(DeclarationId(2898), DeclarationId(3310));
-        map.insert(DeclarationId(2906), DeclarationId(3313));
-        map.insert(DeclarationId(2910), DeclarationId(3316));
-        map.insert(DeclarationId(2912), DeclarationId(3319));
-        map.insert(DeclarationId(2913), DeclarationId(3322));
-        map.insert(DeclarationId(2914), DeclarationId(3325));
-        map.insert(DeclarationId(2915), DeclarationId(3328));
-        map.insert(DeclarationId(2916), DeclarationId(3331));
-        map.insert(DeclarationId(2922), DeclarationId(3334));
-        map.insert(DeclarationId(2924), DeclarationId(3337));
-        map.insert(DeclarationId(2925), DeclarationId(3340));
-        map.insert(DeclarationId(2937), DeclarationId(3343));
-        map.insert(DeclarationId(2938), DeclarationId(3346));
-        map.insert(DeclarationId(2940), DeclarationId(3349));
-        map.insert(DeclarationId(2941), DeclarationId(3352));
-        map.insert(DeclarationId(2942), DeclarationId(3355));
-        map.insert(DeclarationId(2943), DeclarationId(3358));
-        map.insert(DeclarationId(2945), DeclarationId(3361));
-        map.insert(DeclarationId(2946), DeclarationId(3364));
-        map.insert(DeclarationId(2948), DeclarationId(3367));
-        map.insert(DeclarationId(2950), DeclarationId(3370));
-        map.insert(DeclarationId(2951), DeclarationId(3373));
-        map.insert(DeclarationId(2952), DeclarationId(3376));
-        map.insert(DeclarationId(2959), DeclarationId(3379));
-        map.insert(DeclarationId(2960), DeclarationId(3382));
-        map.insert(DeclarationId(2961), DeclarationId(3385));
-        map.insert(DeclarationId(2963), DeclarationId(3388));
-        map.insert(DeclarationId(2964), DeclarationId(3391));
-        map.insert(DeclarationId(2965), DeclarationId(3394));
-        map.insert(DeclarationId(2967), DeclarationId(3397));
-        map.insert(DeclarationId(2968), DeclarationId(3400));
-        map.insert(DeclarationId(2969), DeclarationId(3403));
-        map.insert(DeclarationId(2976), DeclarationId(3406));
-        map.insert(DeclarationId(2978), DeclarationId(3409));
-        map.insert(DeclarationId(2989), DeclarationId(3412));
-        map
-    }
-}
diff --git a/src/v3/compiler/src/bootstrap_generated_without_parse_surface.rs b/src/v3/compiler/src/bootstrap_generated_without_parse_surface.rs
deleted file mode 100644
index 59c7a2cecfe..00000000000
--- a/src/v3/compiler/src/bootstrap_generated_without_parse_surface.rs
+++ /dev/null
@@ -1,85951 +0,0 @@
-// AUTO-GENERATED from `dsl/std/*.dag + src/v3/std/*.dag + src/v3/spec/*.dag + src/v3/compiler/*.dag minus tokenize.dag, src/v3/std/parse_surface.dag, src/v3/spec/{rust,go,python}.dag + dsl/extdeps/languages/rust/primitives.dag` via `regen_bootstrap`.
-// Regenerate instead of hand-editing.
-
-pub(crate) fn bootstrapped_fixture_without_parse_surface_dag() -> Dag {
-    Dag {
-        nodes: bootstrapped_fixture_without_parse_surface_dag_nodes(),
-        declarations: bootstrapped_fixture_without_parse_surface_dag_declarations(),
-        ports: bootstrapped_fixture_without_parse_surface_dag_ports(),
-        diagnostics: bootstrapped_fixture_without_parse_surface_dag_diagnostics(),
-        next_node_id: 1031,
-        next_declaration_id: 2927,
-        next_port_id: 1207,
-        primitives: PrimitiveCache::default(),
-        substrate_markers: SubstrateMarkers::default(),
-        realization_metas: RealizationMetaCache::default(),
-        target_syntax: TargetSyntaxCache::default(),
-        stdlib_types: StdlibTypeCache::default(),
-        emit_anchors: EmitAnchorCache::default(),
-        pattern_binding_rule_variants: PatternBindingRuleVariants::default(),
-        variant_payload_field_access_rule_variants: VariantPayloadFieldAccessRuleVariants::default(
-        ),
-        verifier_output_policy_variants: VerifierOutputPolicyVariants::default(),
-        callable_strategy_variants: CallableStrategyVariants::default(),
-        emit_model_variants: EmitModelVariants::default(),
-        clusters: bootstrapped_fixture_without_parse_surface_dag_clusters(),
-        optional_match_disjs: bootstrapped_fixture_without_parse_surface_dag_optional_match_disjs(),
-        declaration_append_begin_after_bootstrap: 2927,
-    }
-}
-
-#[allow(clippy::vec_init_then_push)]
-fn bootstrapped_fixture_without_parse_surface_dag_nodes() -> Vec<Behavior> {
-    {
-        let mut nodes = Vec::with_capacity(1031);
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(0),
-            data: LiteralBits::Int("0".to_string()),
-            output: PortId(1),
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Gt)),
-            inputs: vec![PortId(0), PortId(1)],
-            output: PortId(2),
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(2),
-            name: "<registry-refinement:PositiveInt>".to_string(),
-            value: PortId(2),
-            params: vec![PortId(0)],
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(3),
-            data: LiteralBits::Int("0".to_string()),
-            output: PortId(4),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(4),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(3), PortId(4)],
-            output: PortId(5),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(5),
-            data: LiteralBits::Int("55295".to_string()),
-            output: PortId(6),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(6),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(3), PortId(6)],
-            output: PortId(7),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(7),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(5), PortId(7)],
-            output: PortId(8),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(8),
-            data: LiteralBits::Int("57344".to_string()),
-            output: PortId(9),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(9),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(3), PortId(9)],
-            output: PortId(10),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(10),
-            data: LiteralBits::Int("1114111".to_string()),
-            output: PortId(11),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(11),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(3), PortId(11)],
-            output: PortId(12),
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-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(934),
-            data: LiteralBits::String("ci_modeled_timing".to_string()),
-            output: PortId(1088),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6162, 6181),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(935),
-            target: TransformTarget::Callable(DeclarationId(1275)),
-            inputs: vec![PortId(1087)],
-            output: PortId(1089),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6199, 6233),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(936),
-            target: TransformTarget::Callable(DeclarationId(1274)),
-            inputs: vec![PortId(1086)],
-            output: PortId(1090),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6250, 6283),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(937),
-            target: TransformTarget::Callable(DeclarationId(2283)),
-            inputs: vec![PortId(1088), PortId(1089), PortId(1090)],
-            output: PortId(1091),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6126, 6288),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(938),
-            name: "_ci_wad_dimension_fail_tm_payload".to_string(),
-            value: PortId(1091),
-            params: vec![PortId(1086), PortId(1087)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6126, 6288),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(939),
-            target: TransformTarget::Callable(DeclarationId(1231)),
-            inputs: vec![PortId(1092)],
-            output: PortId(1094),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6651, 6668),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(940),
-            target: TransformTarget::Callable(DeclarationId(1276)),
-            inputs: vec![PortId(1093)],
-            output: PortId(1095),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6684, 6718),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(941),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "head".to_string(),
-            },
-            inputs: vec![PortId(1096)],
-            output: PortId(1097),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6730, 6738),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(942),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "tail".to_string(),
-            },
-            inputs: vec![PortId(1096)],
-            output: PortId(1098),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6740, 6748),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(943),
-            target: TransformTarget::Callable(DeclarationId(1276)),
-            inputs: vec![PortId(1093)],
-            output: PortId(1099),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6754, 6788),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(944),
-            input: PortId(1094),
-            paths: vec![
-                Path {
-                    body: NodeId(940),
-                    output: PortId(1095),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Empty".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            6675,
-                            6680,
-                        ),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(943),
-                    output: PortId(1099),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Cons".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            6723,
-                            6750,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "__payload_6723_6750".to_string(),
-                        payload_port: PortId(1096),
-                    }),
-                },
-            ],
-            output: PortId(1100),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6645, 6792),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(945),
-            name: "report_dim_ok_tm".to_string(),
-            value: PortId(1100),
-            params: vec![PortId(1092), PortId(1093)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6645, 6792),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(946),
-            target: TransformTarget::Callable(DeclarationId(1231)),
-            inputs: vec![PortId(1101)],
-            output: PortId(1104),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6912, 6929),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(947),
-            target: TransformTarget::Callable(DeclarationId(1277)),
-            inputs: vec![PortId(1102), PortId(1103)],
-            output: PortId(1105),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6945, 6987),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(948),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "head".to_string(),
-            },
-            inputs: vec![PortId(1106)],
-            output: PortId(1107),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6999, 7007),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(949),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "tail".to_string(),
-            },
-            inputs: vec![PortId(1106)],
-            output: PortId(1108),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7009, 7017),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(950),
-            target: TransformTarget::Callable(DeclarationId(1277)),
-            inputs: vec![PortId(1102), PortId(1103)],
-            output: PortId(1109),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7023, 7065),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(951),
-            input: PortId(1104),
-            paths: vec![
-                Path {
-                    body: NodeId(947),
-                    output: PortId(1105),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Empty".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            6936,
-                            6941,
-                        ),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(950),
-                    output: PortId(1109),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Cons".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            6992,
-                            7019,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "__payload_6992_7019".to_string(),
-                        payload_port: PortId(1106),
-                    }),
-                },
-            ],
-            output: PortId(1110),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6906, 7069),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(952),
-            name: "report_dim_fail_tm".to_string(),
-            value: PortId(1110),
-            params: vec![PortId(1101), PortId(1102), PortId(1103)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6906, 7069),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(953),
-            target: TransformTarget::Callable(DeclarationId(1278)),
-            inputs: vec![PortId(1111), PortId(1112)],
-            output: PortId(1114),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7227, 7249),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(954),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "value".to_string(),
-            },
-            inputs: vec![PortId(1115)],
-            output: PortId(1116),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7271, 7282),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(955),
-            target: TransformTarget::Callable(DeclarationId(1279)),
-            inputs: vec![PortId(1111), PortId(1112), PortId(1116)],
-            output: PortId(1117),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7288, 7318),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(956),
-            input: PortId(1113),
-            paths: vec![
-                Path {
-                    body: NodeId(953),
-                    output: PortId(1114),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "NoDiagnostic".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            7211,
-                            7223,
-                        ),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(955),
-                    output: PortId(1117),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "SomeDiagnostic".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                            7254,
-                            7284,
-                        ),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "diag".to_string(),
-                        payload_port: PortId(1115),
-                    }),
-                },
-            ],
-            output: PortId(1118),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7196, 7322),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(957),
-            name: "report_inhabits_branch_tm".to_string(),
-            value: PortId(1118),
-            params: vec![PortId(1111), PortId(1112), PortId(1113)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7196, 7322),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(958),
-            target: TransformTarget::Callable(DeclarationId(1257)),
-            inputs: vec![PortId(1119), PortId(1121)],
-            output: PortId(1122),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7502, 7528),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(959),
-            target: TransformTarget::Callable(DeclarationId(1280)),
-            inputs: vec![PortId(1119), PortId(1121), PortId(1122)],
-            output: PortId(1123),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7470, 7529),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(960),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "reason".to_string(),
-            },
-            inputs: vec![PortId(1124)],
-            output: PortId(1125),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7545, 7554),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(961),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "subject".to_string(),
-            },
-            inputs: vec![PortId(1124)],
-            output: PortId(1126),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7556, 7568),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(962),
-            target: TransformTarget::Callable(DeclarationId(1247)),
-            inputs: vec![],
-            output: PortId(1128),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7676, 7704),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(963),
-            target: TransformTarget::Callable(DeclarationId(1251)),
-            inputs: vec![PortId(1127)],
-            output: PortId(1129),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7766, 7796),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(964),
-            target: TransformTarget::Callable(DeclarationId(1252)),
-            inputs: vec![PortId(1125), PortId(1129)],
-            output: PortId(1130),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7718, 7797),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(965),
-            target: TransformTarget::Callable(DeclarationId(1279)),
-            inputs: vec![PortId(1119), PortId(1128), PortId(1130)],
-            output: PortId(1131),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7629, 7809),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(966),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "port".to_string(),
-            },
-            inputs: vec![PortId(1132)],
-            output: PortId(1133),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7846, 7854),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(967),
-            target: TransformTarget::Callable(DeclarationId(1247)),
-            inputs: vec![],
-            output: PortId(1134),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7917, 7945),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(968),
-            target: TransformTarget::Callable(DeclarationId(1253)),
-            inputs: vec![],
-            output: PortId(1135),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 8007, 8046),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(969),
-            target: TransformTarget::Callable(DeclarationId(1252)),
-            inputs: vec![PortId(1125), PortId(1135)],
-            output: PortId(1136),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7959, 8047),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(970),
-            target: TransformTarget::Callable(DeclarationId(1279)),
-            inputs: vec![PortId(1119), PortId(1134), PortId(1136)],
-            output: PortId(1137),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7870, 8059),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(971),
-            target: TransformTarget::UnresolvedFieldProject {
-                field_label: "producer".to_string(),
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-            inputs: vec![PortId(1138)],
-            output: PortId(1139),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 8096, 8108),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(972),
-            target: TransformTarget::Callable(DeclarationId(1247)),
-            inputs: vec![],
-            output: PortId(1140),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 8171, 8199),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(973),
-            target: TransformTarget::Callable(DeclarationId(1253)),
-            inputs: vec![],
-            output: PortId(1141),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 8261, 8300),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(974),
-            target: TransformTarget::Callable(DeclarationId(1252)),
-            inputs: vec![PortId(1125), PortId(1141)],
-            output: PortId(1142),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 8213, 8301),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(975),
-            target: TransformTarget::Callable(DeclarationId(1279)),
-            inputs: vec![PortId(1119), PortId(1140), PortId(1142)],
-            output: PortId(1143),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 8124, 8313),
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-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(976),
-            input: PortId(1126),
-            paths: vec![
-                Path {
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-                    output: PortId(1131),
-                    pattern: BranchPattern::UnresolvedVariant {
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-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
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-                    },
-                    binding: Some(PayloadBinding {
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-                        payload_port: PortId(1127),
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-                Path {
-                    body: NodeId(970),
-                    output: PortId(1137),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "ProducerLookupMissingPort".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
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-                    binding: Some(PayloadBinding {
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-                        payload_port: PortId(1132),
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-                Path {
-                    body: NodeId(975),
-                    output: PortId(1143),
-                    pattern: BranchPattern::UnresolvedVariant {
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-                        span: SourceSpan::new(
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-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(977),
-            input: PortId(1120),
-            paths: vec![
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-                    body: NodeId(959),
-                    output: PortId(1123),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Inhabits".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
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-                            7466,
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-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "c".to_string(),
-                        payload_port: PortId(1121),
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-                Path {
-                    body: NodeId(976),
-                    output: PortId(1144),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Violates".to_string(),
-                        span: SourceSpan::new(
-                            "src/v3/std/t_ci_workflow_as_data_demo.dag",
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-                            7570,
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-                    binding: Some(PayloadBinding {
-                        binding_name: "__payload_7534_7570".to_string(),
-                        payload_port: PortId(1124),
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-            output: PortId(1145),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7441, 8325),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(978),
-            name: "dimension_report_tm_from_witness".to_string(),
-            value: PortId(1145),
-            params: vec![PortId(1119), PortId(1120)],
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7441, 8325),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(979),
-            target: TransformTarget::Callable(DeclarationId(1231)),
-            inputs: vec![PortId(1146)],
-            output: PortId(1148),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 9304, 9321),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(980),
-            target: TransformTarget::Callable(DeclarationId(725)),
-            inputs: vec![PortId(1148)],
-            output: PortId(1149),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 9295, 9322),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(981),
-            target: TransformTarget::Callable(DeclarationId(1266)),
-            inputs: vec![PortId(1146), PortId(1147)],
-            output: PortId(1150),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 9368, 9393),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(982),
-            target: TransformTarget::Callable(DeclarationId(1281)),
-            inputs: vec![PortId(1146), PortId(1150)],
-            output: PortId(1151),
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 9332, 9394),
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-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(983),
-            target: TransformTarget::Callable(DeclarationId(1267)),
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-                Path {
-                    body: NodeId(1022),
-                    output: PortId(1199),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Logical".to_string(),
-                        span: SourceSpan::new("src/v3/compiler/operators.dag", 1921, 1937),
-                    },
-                    binding: Some(PayloadBinding {
-                        binding_name: "logical".to_string(),
-                        payload_port: PortId(1196),
-                    }),
-                },
-            ],
-            output: PortId(1200),
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1270, 2017),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(1024),
-            name: "algebra_field_name".to_string(),
-            value: PortId(1200),
-            params: vec![PortId(1181)],
-            span: SourceSpan::new("src/v3/compiler/operators.dag", 1270, 2017),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1025),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(1201), PortId(1201)],
-            output: PortId(1202),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1026),
-            data: LiteralBits::String("GitHubActionsWorkflowStemSegment".to_string()),
-            output: PortId(1203),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(1027),
-            data: LiteralBits::String("GitHubActionsWorkflowStemSegment".to_string()),
-            output: PortId(1204),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1028),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(1203), PortId(1204)],
-            output: PortId(1205),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1029),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(1202), PortId(1205)],
-            output: PortId(1206),
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(1030),
-            name: "<registry-refinement:GitHubActionsWorkflowStemSegment>".to_string(),
-            value: PortId(1206),
-            params: vec![PortId(1201)],
-            span: SourceSpan::new("dsl/extdeps/github/ci.dag", 2673, 2714),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes
-    }
-}
-
-#[allow(clippy::vec_init_then_push)]
-fn bootstrapped_fixture_without_parse_surface_dag_declarations() -> Vec<Declaration> {
-    {
-        let mut declarations = Vec::with_capacity(2927);
-        declarations.push(Declaration {
-            id: DeclarationId(0),
-            name: Some("Classical".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "True".to_string(),
-                        ty: DeclarationId(313),
-                    },
-                    Field {
-                        label: "False".to_string(),
-                        ty: DeclarationId(314),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 287, 316),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1),
-            name: Some("classical_not".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(0)],
-                output: DeclarationId(0),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/logic.dag", 362, 429)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 318, 429),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2),
-            name: Some("classical_and".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(0), DeclarationId(0)],
-                output: DeclarationId(0),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/logic.dag", 489, 553)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 431, 553),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(3),
-            name: Some("classical_or".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(0), DeclarationId(0)],
-                output: DeclarationId(0),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/logic.dag", 612, 675)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/logic.dag", 555, 675),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(4),
-            name: Some("Bit".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(0),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 897, 917),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(5),
-            name: Some("Nibble".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bits".to_string(),
-                    ty: DeclarationId(315),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1003, 1034),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(6),
-            name: Some("Byte".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bits".to_string(),
-                    ty: DeclarationId(316),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1118, 1147),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(7),
-            name: Some("Word16".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(317),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1251, 1284),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(8),
-            name: Some("Word32".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(318),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1285, 1318),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(9),
-            name: Some("Word64".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(319),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1319, 1352),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(10),
-            name: Some("Word128".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bytes".to_string(),
-                    ty: DeclarationId(320),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/bit.dag", 1353, 1387),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(11),
-            name: Some("Result".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Ok".to_string(),
-                        ty: DeclarationId(321),
-                    },
-                    Field {
-                        label: "Err".to_string(),
-                        ty: DeclarationId(322),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(12), DeclarationId(13)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/error_primitives.dag", 597, 657),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(12),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("ok".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/error_primitives.dag", 597, 657),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(13),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("err".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/error_primitives.dag", 597, 657),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(14),
-            name: Some("DivError".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DivideByZero".to_string(),
-                        ty: DeclarationId(323),
-                    },
-                    Field {
-                        label: "Overflow".to_string(),
-                        ty: DeclarationId(324),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/error_primitives.dag", 920, 959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(15),
-            name: Some("Magma".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "op".to_string(),
-                    ty: DeclarationId(334),
-                }],
-            },
-            type_params: vec![DeclarationId(16)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 4702, 4739),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(16),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 4702, 4739),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(17),
-            name: Some("Semigroup".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "op".to_string(),
-                    ty: DeclarationId(335),
-                }],
-            },
-            type_params: vec![DeclarationId(18)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 4817, 4939),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(18),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 4817, 4939),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(19),
-            name: Some("Monoid".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "op".to_string(),
-                        ty: DeclarationId(336),
-                    },
-                    Field {
-                        label: "identity".to_string(),
-                        ty: DeclarationId(20),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(20)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5037, 5089),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(20),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5037, 5089),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(21),
-            name: Some("CommutativeMonoid".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "op".to_string(),
-                        ty: DeclarationId(337),
-                    },
-                    Field {
-                        label: "identity".to_string(),
-                        ty: DeclarationId(22),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(22)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5148, 5239),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(22),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5148, 5239),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(23),
-            name: Some("Group".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "op".to_string(),
-                        ty: DeclarationId(338),
-                    },
-                    Field {
-                        label: "identity".to_string(),
-                        ty: DeclarationId(24),
-                    },
-                    Field {
-                        label: "inverse".to_string(),
-                        ty: DeclarationId(339),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(24)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5311, 5384),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(24),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5311, 5384),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(25),
-            name: Some("AbelianGroup".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "op".to_string(),
-                        ty: DeclarationId(340),
-                    },
-                    Field {
-                        label: "identity".to_string(),
-                        ty: DeclarationId(26),
-                    },
-                    Field {
-                        label: "inverse".to_string(),
-                        ty: DeclarationId(341),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(26)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5422, 5530),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(26),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 5422, 5530),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(27),
-            name: Some("GroupCompletion".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![DeclarationId(28)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 7957, 7977),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(28),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("M".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 7957, 7977),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(29),
-            name: Some("FieldOfFractions".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![DeclarationId(30)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 10044, 10065),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(30),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("R".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 10044, 10065),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(31),
-            name: Some("Semiring".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "add".to_string(),
-                        ty: DeclarationId(342),
-                    },
-                    Field {
-                        label: "zero".to_string(),
-                        ty: DeclarationId(32),
-                    },
-                    Field {
-                        label: "mul".to_string(),
-                        ty: DeclarationId(343),
-                    },
-                    Field {
-                        label: "one".to_string(),
-                        ty: DeclarationId(32),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(32)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 10502, 10583),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(32),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23267, 23452),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(58),
-            name: Some("AlgebraFieldTemplate".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "param_types".to_string(),
-                        ty: DeclarationId(469),
-                    },
-                    Field {
-                        label: "return_type".to_string(),
-                        ty: DeclarationId(55),
-                    },
-                    Field {
-                        label: "size_effect".to_string(),
-                        ty: DeclarationId(470),
-                    },
-                    Field {
-                        label: "cost_shape".to_string(),
-                        ty: DeclarationId(471),
-                    },
-                    Field {
-                        label: "callback_element_position".to_string(),
-                        ty: DeclarationId(472),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23477, 23908),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(59),
-            name: Some("kernel_algebra_profile".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(53),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(473)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "Int".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(441),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Float".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(442),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Bool".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(443),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "String".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(445),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "List".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(446),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(444),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(447),
-                            payload: vec![],
-                        },
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23910, 24220),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(60),
-            name: Some("ordered_ring_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(325),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 24280, 25425)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 24222, 25425),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(61),
-            name: Some("approximate_field_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(326),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 25490, 26584)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 25427, 26584),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(62),
-            name: Some("boolean_algebra_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(327),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 26647, 27408)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 26586, 27408),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(63),
-            name: Some("boolean_algebra_collection_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(328),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 27773, 31163)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 27701, 31163),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(64),
-            name: Some("free_monoid_scalar_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(329),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 31229, 34472)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 31165, 34472),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(65),
-            name: Some("free_monoid_collection_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(330),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 34542, 39903)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 34474, 39903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(66),
-            name: Some("partial_function_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(331),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 39967, 42790)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 39905, 42790),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(67),
-            name: Some("algebra_templates_for_profile".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(53)],
-                output: DeclarationId(332),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 42880, 43343)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 42792, 43343),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(68),
-            name: Some("algebra_type_param_names".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(53)],
-                output: DeclarationId(333),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 43685, 43966)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 43616, 43966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(69),
-            name: Some("Magnitude".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/magnitude.dag", 1464, 1478),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(70),
-            name: Some("MachineWidth".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![DeclarationId(71)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 3296, 3313),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(71),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("bits".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 3296, 3313),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(72),
-            name: Some("PointerWidth".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 6208, 6225),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(73),
-            name: Some("Compose".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "Phantom".to_string(),
-                    ty: DeclarationId(474),
-                }],
-            },
-            type_params: vec![DeclarationId(74), DeclarationId(75)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 7292, 7342),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(74),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Algebra".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 7292, 7342),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(75),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam(
-                "MachineConstraint".to_string(),
-            )),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 7292, 7342),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(76),
-            name: Some("Nat".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(33),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(34),
-                    value: DeclarationId(69),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/nat.dag", 2186, 2227),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(77),
-            name: Some("Int8".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(87),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(476),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2549, 2590),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(78),
-            name: Some("Int16".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(87),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(478),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2591, 2634),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(79),
-            name: Some("Int32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(87),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(480),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2635, 2678),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(80),
-            name: Some("Int64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(87),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(482),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2679, 2722),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(81),
-            name: Some("Int128".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(87),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(484),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2723, 2768),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(82),
-            name: Some("UInt8".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(88),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(486),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2834, 2877),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(83),
-            name: Some("UInt16".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(88),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(488),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2878, 2923),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(84),
-            name: Some("UInt32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(88),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(490),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2924, 2969),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(85),
-            name: Some("UInt64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(88),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(492),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2970, 3015),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(86),
-            name: Some("UInt128".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(88),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(494),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 3016, 3063),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(87),
-            name: Some("Int".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(25),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(26),
-                    value: DeclarationId(495),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 5921, 5966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(88),
-            name: Some("UInt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(76),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 5967, 5982),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(89),
-            name: Some("IntPlatform".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(87),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(496),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 7619, 7680),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(90),
-            name: Some("UIntPlatform".to_string()),
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-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(88),
-                    },
-                    TemplateArgument {
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-                        value: DeclarationId(497),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 7681, 7742),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(91),
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-                template: DeclarationId(76),
-                arguments: vec![],
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-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 9184, 9209),
-        });
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-            id: DeclarationId(92),
-            name: Some("PositiveInt".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(76))),
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-            meta_tag: None,
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-            id: DeclarationId(93),
-            name: Some("Rational".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(39),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(40),
-                    value: DeclarationId(499),
-                }],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/rational.dag", 1245, 1289),
-        });
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-            id: DeclarationId(94),
-            name: Some("RoundingMode".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ToNearestEven".to_string(),
-                        ty: DeclarationId(500),
-                    },
-                    Field {
-                        label: "ToZero".to_string(),
-                        ty: DeclarationId(501),
-                    },
-                    Field {
-                        label: "ToPositiveInfinity".to_string(),
-                        ty: DeclarationId(502),
-                    },
-                    Field {
-                        label: "ToNegativeInfinity".to_string(),
-                        ty: DeclarationId(503),
-                    },
-                    Field {
-                        label: "ToAwayFromZero".to_string(),
-                        ty: DeclarationId(504),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1030, 1141),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(95),
-            name: Some("Precision".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(505),
-                    },
-                    Field {
-                        label: "BinaryPrecision".to_string(),
-                        ty: DeclarationId(506),
-                    },
-                    Field {
-                        label: "DecimalPrecision".to_string(),
-                        ty: DeclarationId(507),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1404, 1589),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(96),
-            name: Some("NanPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoNaN".to_string(),
-                        ty: DeclarationId(508),
-                    },
-                    Field {
-                        label: "QuietNaN".to_string(),
-                        ty: DeclarationId(509),
-                    },
-                    Field {
-                        label: "QuietAndSignalingNaN".to_string(),
-                        ty: DeclarationId(510),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1812, 1868),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(97),
-            name: Some("InfinityPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoInfinity".to_string(),
-                        ty: DeclarationId(511),
-                    },
-                    Field {
-                        label: "SignedInfinity".to_string(),
-                        ty: DeclarationId(512),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2096, 2145),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(98),
-            name: Some("SignedZeroPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoSignedZero".to_string(),
-                        ty: DeclarationId(513),
-                    },
-                    Field {
-                        label: "SignedZero".to_string(),
-                        ty: DeclarationId(514),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2376, 2425),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(99),
-            name: Some("SubnormalPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoSubnormals".to_string(),
-                        ty: DeclarationId(515),
-                    },
-                    Field {
-                        label: "GradualUnderflow".to_string(),
-                        ty: DeclarationId(516),
-                    },
-                    Field {
-                        label: "FlushToZero".to_string(),
-                        ty: DeclarationId(517),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2720, 2788),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(100),
-            name: Some("SpecialValues".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "nan".to_string(),
-                        ty: DeclarationId(96),
-                    },
-                    Field {
-                        label: "infinity".to_string(),
-                        ty: DeclarationId(97),
-                    },
-                    Field {
-                        label: "signed_zero".to_string(),
-                        ty: DeclarationId(98),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3064, 3162),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(101),
-            name: Some("ApproximateField".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "base".to_string(),
-                        ty: DeclarationId(518),
-                    },
-                    Field {
-                        label: "rounding".to_string(),
-                        ty: DeclarationId(94),
-                    },
-                    Field {
-                        label: "precision".to_string(),
-                        ty: DeclarationId(95),
-                    },
-                    Field {
-                        label: "special_values".to_string(),
-                        ty: DeclarationId(100),
-                    },
-                    Field {
-                        label: "subnormal_policy".to_string(),
-                        ty: DeclarationId(99),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(102)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3398, 3559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(102),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("F".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3398, 3559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(103),
-            name: Some("Ieee754Float".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1255, 1272),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(104),
-            name: Some("Real".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(101),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(102),
-                    value: DeclarationId(519),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1453, 1504),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(105),
-            name: Some("Real32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(104),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(521),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1726, 1771),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(106),
-            name: Some("Real64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(104),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(523),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1772, 1817),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(107),
-            name: Some("Float32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(105),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1819, 1840),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(108),
-            name: Some("Float64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(106),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1841, 1862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(109),
-            name: Some("Float".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(108),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1881, 1901),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(110),
-            name: Some("kernel_type_set".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(639)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "String".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Int".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Bool".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Float".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Secret".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Json".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Unit".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Bytes".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3041, 3206),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(111),
-            name: Some("is_kernel_type".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3248, 3349)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3208, 3349),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(112),
-            name: Some("container_type_arity".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(87),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(640)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("2".to_string())),
-                    ),
-                    (
-                        "Witness".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3511, 3606),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(113),
-            name: Some("is_container_type".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3651, 3758)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3608, 3758),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(114),
-            name: Some("container_expected_arity".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(524),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3810, 3851)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3760, 3851),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(115),
-            name: Some("container_param_names_for".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(525),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4091, 4296)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4027, 4296),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(116),
-            name: Some("container_param_name".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(526),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4364, 4612)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4298, 4612),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(117),
-            name: Some("ordered_element_collections".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(641)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![(
-                    "List".to_string(),
-                    FieldValue::Literal(LiteralBits::Bool(true)),
-                )])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4806, 4878),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(118),
-            name: Some("is_ordered_element_collection".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4935, 4992)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4880, 4992),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(119),
-            name: Some("container_template_algebra_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(642)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "list".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "FreeMonoid".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "free_monoid".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "BooleanAlgebra".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "boolean_algebra".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "PartialFunction".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "partial_function".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 5784, 6223),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(120),
-            name: Some("container_template_alias_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(643)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "list".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 6389, 6607),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(121),
-            name: Some("container_template_algebra".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(527),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 6664, 6716)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 6609, 6716),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(122),
-            name: Some("container_template_alias_algebra".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(528),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 6779, 6829)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 6718, 6829),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(123),
-            name: Some("canonical_container_names".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(529),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 7242, 7332)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 7195, 7332),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(124),
-            name: Some("Bool".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "True".to_string(),
-                        ty: DeclarationId(530),
-                    },
-                    Field {
-                        label: "False".to_string(),
-                        ty: DeclarationId(531),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: Some(DeclarationId(532)),
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8306, 8330),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(125),
-            name: Some("Unit".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8398, 8407),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(126),
-            name: Some("Json".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8524, 8533),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(127),
-            name: Some("Bytes".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 8534, 8544),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(128),
-            name: Some("Char".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(87))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(644)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 9172, 9223),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(129),
-            name: Some("List".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(47),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(48),
-                    value: DeclarationId(130),
-                }],
-            },
-            type_params: vec![DeclarationId(130)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 9987, 10027),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(130),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("element".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 9987, 10027),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(131),
-            name: Some("Set".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(45),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(46),
-                    value: DeclarationId(132),
-                }],
-            },
-            type_params: vec![DeclarationId(132)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 10028, 10071),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(132),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("element".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 10028, 10071),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(133),
-            name: Some("Map".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(49),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(50),
-                        value: DeclarationId(134),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(51),
-                        value: DeclarationId(135),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(134), DeclarationId(135)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 10072, 10122),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(134),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("key".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 10072, 10122),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(135),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("value".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 10072, 10122),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(136),
-            name: Some("CommitSha".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 11468, 11494),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(137),
-            name: Some("Sha256".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 11562, 11588),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(138),
-            name: Some("RetryCount".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(87))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(645)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 11589, 11640),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(139),
-            name: Some("HttpStatus".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(87))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(646)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 11641, 11696),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(140),
-            name: Some("Email".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 11770, 11796),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(141),
-            name: Some("Port".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(87))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(647)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 11797, 11852),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(142),
-            name: Some("GistId".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 11941, 11967),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(143),
-            name: Some("Secret".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: Some(NominalOpacity {
-                permitted_accessors: vec![],
-            }),
-            span: SourceSpan::new("dsl/std/types.dag", 11968, 12009),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(144),
-            name: Some("SecretValue".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(143))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(648)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 12010, 12052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(145),
-            name: Some("Url".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 12113, 12139),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(146),
-            name: Some("SemVer".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(227),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 12212, 12238),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(147),
-            name: Some("NonEmptyStr".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(227))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(649)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 12239, 12284),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(148),
-            name: Some("LanguageId".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(227))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(650)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 12285, 12330),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(149),
-            name: Some("SecretName".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(227))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(651)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 12331, 12376),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(150),
-            name: Some("PathSegment".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(147))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(652)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 13011, 13070),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(151),
-            name: Some("GlobSegment".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(147))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(653)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 13071, 13130),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(152),
-            name: Some("FilePathParts".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "segments".to_string(),
-                    ty: DeclarationId(533),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 13131, 13183),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(153),
-            name: Some("GlobPattern".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "segments".to_string(),
-                    ty: DeclarationId(534),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 13184, 13234),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(154),
-            name: Some("FilePath".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(DeclarationId(227))),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(DeclarationId(654)),
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 13235, 13278),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(155),
-            name: Some("SourceSpan".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "file".to_string(),
-                        ty: DeclarationId(154),
-                    },
-                    Field {
-                        label: "start".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                    Field {
-                        label: "end".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            span: SourceSpan::new("dsl/std/types.dag", 24313, 24359),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(217),
-            name: Some("DagTopology".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "nodes".to_string(),
-                        ty: DeclarationId(623),
-                    },
-                    Field {
-                        label: "edges".to_string(),
-                        ty: DeclarationId(624),
-                    },
-                    Field {
-                        label: "subdag_boundaries".to_string(),
-                        ty: DeclarationId(625),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 24618, 24728),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(218),
-            name: Some("TopologyNode".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "id".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "label".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(179),
-                    },
-                    Field {
-                        label: "parent".to_string(),
-                        ty: DeclarationId(626),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 24730, 24850),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(219),
-            name: Some("TopologyEdge".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "from".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "to".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "port".to_string(),
-                        ty: DeclarationId(627),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 24852, 24917),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(220),
-            name: Some("DagDiff".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "added".to_string(),
-                        ty: DeclarationId(628),
-                    },
-                    Field {
-                        label: "removed".to_string(),
-                        ty: DeclarationId(629),
-                    },
-                    Field {
-                        label: "changed".to_string(),
-                        ty: DeclarationId(630),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 24919, 25005),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(221),
-            name: Some("CodegenTarget".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "path".to_string(),
-                        ty: DeclarationId(154),
-                    },
-                    Field {
-                        label: "backend".to_string(),
-                        ty: DeclarationId(631),
-                    },
-                    Field {
-                        label: "target".to_string(),
-                        ty: DeclarationId(632),
-                    },
-                    Field {
-                        label: "runtime_env".to_string(),
-                        ty: DeclarationId(633),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25074, 25208),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(222),
-            name: Some("CodegenBackend".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Rust".to_string(),
-                        ty: DeclarationId(634),
-                    },
-                    Field {
-                        label: "Go".to_string(),
-                        ty: DeclarationId(635),
-                    },
-                    Field {
-                        label: "C".to_string(),
-                        ty: DeclarationId(636),
-                    },
-                    Field {
-                        label: "Mips".to_string(),
-                        ty: DeclarationId(637),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25210, 25252),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(223),
-            name: Some("PragmaDirective".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "key".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "scope".to_string(),
-                        ty: DeclarationId(638),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25254, 25325),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(224),
-            name: Some("DocSource".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "path".to_string(),
-                        ty: DeclarationId(154),
-                    },
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(180),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25466, 25523),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(225),
-            name: Some("ReferenceModel".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![DeclarationId(226)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 27457, 27476),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(226),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 27457, 27476),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(227),
-            name: Some("String".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(47),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(48),
-                    value: DeclarationId(128),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/string_type.dag", 606, 636),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(228),
-            name: Some("CharClass".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Whitespace".to_string(),
-                        ty: DeclarationId(678),
-                    },
-                    Field {
-                        label: "Digit".to_string(),
-                        ty: DeclarationId(679),
-                    },
-                    Field {
-                        label: "IdentStart".to_string(),
-                        ty: DeclarationId(680),
-                    },
-                    Field {
-                        label: "IdentContinue".to_string(),
-                        ty: DeclarationId(681),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 3662, 3726),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(229),
-            name: Some("char_in_class".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128), DeclarationId(228)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(250))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 4059, 4926),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(230),
-            name: Some("DisplayWidth".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ZeroWidth".to_string(),
-                        ty: DeclarationId(682),
-                    },
-                    Field {
-                        label: "Narrow".to_string(),
-                        ty: DeclarationId(683),
-                    },
-                    Field {
-                        label: "Wide".to_string(),
-                        ty: DeclarationId(684),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5290, 5335),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(231),
-            name: Some("display_width_columns".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(230)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 5386, 5462)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5337, 5462),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(232),
-            name: Some("UnicodeBlock".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "start".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                    Field {
-                        label: "end_inclusive".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                    Field {
-                        label: "default_width".to_string(),
-                        ty: DeclarationId(230),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5697, 5797),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(233),
-            name: Some("zero_width_blocks".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(232),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(685)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Diacritical Marks".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("768".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("879".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Diacritical Marks Extended".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("6832".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("6911".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Diacritical Marks Supplement".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("7616".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("7679".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Marks for Symbols".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("8400".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("8447".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Variation Selectors".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65024".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65039".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Half Marks".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65056".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65071".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5859, 6608),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(234),
-            name: Some("zero_width_codepoints".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(686)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Literal(LiteralBits::Int("8203".to_string())),
-                FieldValue::Literal(LiteralBits::Int("8204".to_string())),
-                FieldValue::Literal(LiteralBits::Int("8205".to_string())),
-                FieldValue::Literal(LiteralBits::Int("65279".to_string())),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 6675, 6887),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(235),
-            name: Some("wide_blocks".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(232),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(687)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Hangul Jamo".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("4352".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("4447".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Radicals and Symbols".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("11904".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("12350".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Hiragana / Katakana / CJK Compat".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("12353".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("13247".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension A".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("13312".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("19903".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Unified Ideographs".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("19968".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("40959".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Yi Syllables and Radicals".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("40960".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("42191".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Hangul Syllables".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("44032".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("55215".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Compatibility Ideographs".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("63744".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("64255".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Compatibility Forms".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65072".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65135".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Fullwidth ASCII".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65281".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65376".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Fullwidth Signs".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65504".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65510".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension B+".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("131072".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("196607".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension G+".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("196608".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("262143".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Misc Symbols and Dingbats".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("9728".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("10175".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Symbols / Pictographs / Emoticons".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("127744".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("129535".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Symbols Extended".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("129536".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("131071".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 6934, 8723),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(236),
-            name: Some("code_point".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(87),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(253))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 8873, 8910),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(237),
-            name: Some("in_block".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(87), DeclarationId(232)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 8962, 9014)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 8912, 9014),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(238),
-            name: Some("char_display_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(230),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9063, 9366)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9016, 9366),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(239),
-            name: Some("char_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9398, 9454)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9368, 9454),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(240),
-            name: Some("string_display_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9498, 9636)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9456, 9636),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(241),
-            name: Some("repeat_string_loop".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(227),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "dsl/std/render_repeat_string_bootstrap.dag",
-                    598,
-                    717,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/render_repeat_string_bootstrap.dag", 526, 717),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(242),
-            name: Some("repeat_string".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(227),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "dsl/std/render_repeat_string_bootstrap.dag",
-                    765,
-                    818,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/render_repeat_string_bootstrap.dag", 719, 818),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(243),
-            name: Some("MethodDeclaration".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "name".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 4779, 4820),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(244),
-            name: Some("add_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("add".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5269, 5321),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(245),
-            name: Some("all_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("all".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5322, 5374),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(246),
-            name: Some("any_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("any".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5375, 5427),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(247),
-            name: Some("append_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("append".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5428, 5486),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(248),
-            name: Some("bottom_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("bottom".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5487, 5545),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(249),
-            name: Some("chars_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("chars".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5546, 5602),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(250),
-            name: Some("clamp_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("clamp".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5603, 5659),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(251),
-            name: Some("compare_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("compare".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5660, 5720),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(252),
-            name: Some("complement_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("complement".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5721, 5787),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(253),
-            name: Some("concat_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("concat".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5788, 5846),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(254),
-            name: Some("contains_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("contains".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5847, 5909),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(255),
-            name: Some("count_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("count".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5910, 5966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(256),
-            name: Some("diff_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("diff".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5967, 6021),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(257),
-            name: Some("empty_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("empty".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6022, 6078),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(258),
-            name: Some("ends_with_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("ends_with".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6079, 6143),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(259),
-            name: Some("enumerate_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("enumerate".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6144, 6208),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(260),
-            name: Some("filter_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("filter".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6209, 6267),
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-        });
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-            id: DeclarationId(741),
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-            connective: TypeConnective::Conj {
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-                    Field {
-                        label: "first".to_string(),
-                        ty: DeclarationId(742),
-                    },
-                    Field {
-                        label: "second".to_string(),
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-        });
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-                        ty: DeclarationId(1491),
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-                    label: "tokens".to_string(),
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-                        ty: DeclarationId(1495),
-                    },
-                    Field {
-                        label: "MalformedPathSegment".to_string(),
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-        });
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-                        ty: DeclarationId(1497),
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-                    Field {
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-        });
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-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 8840, 10145)),
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-            nominal_opacity: None,
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-        });
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-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(749),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 11852, 12189),
-        });
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-            id: DeclarationId(750),
-            name: Some("IdempotentShape".to_string()),
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-                    Field {
-                        label: "ReadEffect".to_string(),
-                        ty: DeclarationId(1499),
-                    },
-                    Field {
-                        label: "UpsertEffect".to_string(),
-                        ty: DeclarationId(1500),
-                    },
-                    Field {
-                        label: "DeleteEffect".to_string(),
-                        ty: DeclarationId(1501),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 14473, 14594),
-        });
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-            id: DeclarationId(751),
-            name: Some("BreakingShape".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "CreateEffect".to_string(),
-                        ty: DeclarationId(1502),
-                    },
-                    Field {
-                        label: "AppendEffect".to_string(),
-                        ty: DeclarationId(1503),
-                    },
-                ],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 14817, 14892),
-        });
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-            id: DeclarationId(752),
-            name: Some("EffectShape".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "IsIdempotent".to_string(),
-                        ty: DeclarationId(1504),
-                    },
-                    Field {
-                        label: "IsBreaking".to_string(),
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-            phantom_params: Vec::new(),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 15293, 15373),
-        });
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-            name: Some("CreateCause".to_string()),
-            connective: TypeConnective::Disj {
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-                    Field {
-                        label: "PostAlways".to_string(),
-                        ty: DeclarationId(1506),
-                    },
-                    Field {
-                        label: "KeylessFallback".to_string(),
-                        ty: DeclarationId(1507),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 15865, 15939),
-        });
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-            id: DeclarationId(754),
-            name: Some("EffectClassificationFailure".to_string()),
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-                    label: "ClassifierAnchorResolutionFailed".to_string(),
-                    ty: DeclarationId(1508),
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-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            inhabits: None,
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 15941, 16010),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(755),
-            name: Some("EffectClassificationResult".to_string()),
-            connective: TypeConnective::Disj {
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-                    Field {
-                        label: "EffectClassified".to_string(),
-                        ty: DeclarationId(1509),
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-                    Field {
-                        label: "EffectClassificationFailed".to_string(),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 16012, 16159),
-        });
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-            id: DeclarationId(756),
-            name: Some("KeySource".to_string()),
-            connective: TypeConnective::Disj {
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-                    Field {
-                        label: "PathParam".to_string(),
-                        ty: DeclarationId(1511),
-                    },
-                    Field {
-                        label: "InputField".to_string(),
-                        ty: DeclarationId(1512),
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-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 16790, 16869),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(757),
-            name: Some("IdempotencyEvidence".to_string()),
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-                        ty: DeclarationId(1513),
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-                    Field {
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-                        ty: DeclarationId(1515),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
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-            id: DeclarationId(758),
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-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(759),
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-            name: Some("CompositionVerdict".to_string()),
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-            connective: TypeConnective::Arrow {
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-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(296))),
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-            name: Some("operation_resource_key".to_string()),
-            connective: TypeConnective::Arrow {
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-            name: Some("breaker_ref".to_string()),
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-            name: Some("first_breaker_ref".to_string()),
-            connective: TypeConnective::Arrow {
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-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 25078, 25261)),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 25005, 25261),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(774),
-            name: Some("compose_effects".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1488)],
-                output: DeclarationId(760),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 26139, 26262)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 26072, 26262),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(775),
-            name: Some("BoolPortRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "port".to_string(),
-                    ty: DeclarationId(736),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 27463, 27498),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(776),
-            name: Some("BranchArm".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "condition".to_string(),
-                        ty: DeclarationId(775),
-                    },
-                    Field {
-                        label: "body".to_string(),
-                        ty: DeclarationId(777),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 27583, 27649),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(777),
-            name: Some("WorkflowEffect".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LinearEffect".to_string(),
-                        ty: DeclarationId(1520),
-                    },
-                    Field {
-                        label: "BranchEffect".to_string(),
-                        ty: DeclarationId(1522),
-                    },
-                    Field {
-                        label: "LoopEffect".to_string(),
-                        ty: DeclarationId(1523),
-                    },
-                    Field {
-                        label: "ParallelEffect".to_string(),
-                        ty: DeclarationId(1525),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 28325, 28547),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(778),
-            name: Some("IdempotencyUnsupportedDetail".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "variant_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "downstream_stage".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "reason".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 28906, 29010),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(779),
-            name: Some("WorkflowIdempotencyReport".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "WorkflowCompositionVerdict".to_string(),
-                        ty: DeclarationId(1526),
-                    },
-                    Field {
-                        label: "IdempotencyUnsupported".to_string(),
-                        ty: DeclarationId(1527),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29149, 29287),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(780),
-            name: Some("report_unsupported_workflow_variant".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(227), DeclarationId(227)],
-                output: DeclarationId(779),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 29429, 29585)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29289, 29585),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(781),
-            name: Some("ParallelismUnsupportedKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoWorkflowProjection".to_string(),
-                        ty: DeclarationId(1528),
-                    },
-                    Field {
-                        label: "NotParallelEffectRoot".to_string(),
-                        ty: DeclarationId(1529),
-                    },
-                    Field {
-                        label: "NonLinearParallelBranch".to_string(),
-                        ty: DeclarationId(1530),
-                    },
-                    Field {
-                        label: "PairwiseNonCommute".to_string(),
-                        ty: DeclarationId(1531),
-                    },
-                    Field {
-                        label: "EffectClassificationUnavailable".to_string(),
-                        ty: DeclarationId(1532),
-                    },
-                    Field {
-                        label: "LensSurfacePending".to_string(),
-                        ty: DeclarationId(1533),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29748, 29978),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(782),
-            name: Some("ParallelismUnsupportedDetail".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(781),
-                    },
-                    Field {
-                        label: "downstream_stage".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "reason".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 29980, 30096),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(783),
-            name: Some("WorkflowParallelismReport".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ParallelCompositionVerdict".to_string(),
-                        ty: DeclarationId(1534),
-                    },
-                    Field {
-                        label: "ParallelismUnsupported".to_string(),
-                        ty: DeclarationId(1535),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 30260, 30398),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(784),
-            name: Some("report_parallelism_unsupported".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(781), DeclarationId(227)],
-                output: DeclarationId(783),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 30519, 30674)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 30400, 30674),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(785),
-            name: Some("lane2_workflow_idempotency_report".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(777)],
-                output: DeclarationId(779),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 31148, 31978)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 31054, 31978),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(786),
-            name: Some("IdempotencyTestObligation".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "callable".to_string(),
-                        ty: DeclarationId(965),
-                    },
-                    Field {
-                        label: "effect_shape".to_string(),
-                        ty: DeclarationId(752),
-                    },
-                    Field {
-                        label: "claim".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "witness_required".to_string(),
-                        ty: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 32735, 32862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(787),
-            name: Some("generate_idempotency_obligations".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1489)],
-                output: DeclarationId(1490),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/effects.dag", 32961, 33255)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 32864, 33255),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(788),
-            name: Some("WorkflowEffectConcern".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "workflow_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "create_op".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "reason".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/effects.dag", 33572, 33663),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(789),
-            name: Some("TypeShape".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "declaration".to_string(),
-                    ty: DeclarationId(737),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 270, 317),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(790),
-            name: Some("SourceByteSpan".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "byte_start".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                    Field {
-                        label: "byte_end".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 535, 592),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(791),
-            name: Some("PortState".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Uninferred".to_string(),
-                        ty: DeclarationId(1544),
-                    },
-                    Field {
-                        label: "Resolved".to_string(),
-                        ty: DeclarationId(1545),
-                    },
-                    Field {
-                        label: "Unresolved".to_string(),
-                        ty: DeclarationId(1546),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 735, 803),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(792),
-            name: Some("DagPort".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "id".to_string(),
-                        ty: DeclarationId(736),
-                    },
-                    Field {
-                        label: "state".to_string(),
-                        ty: DeclarationId(791),
-                    },
-                    Field {
-                        label: "produced_by".to_string(),
-                        ty: DeclarationId(1547),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 805, 876),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(793),
-            name: Some("LiteralBits".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LitInt".to_string(),
-                        ty: DeclarationId(1548),
-                    },
-                    Field {
-                        label: "LitBool".to_string(),
-                        ty: DeclarationId(1549),
-                    },
-                    Field {
-                        label: "LitString".to_string(),
-                        ty: DeclarationId(1550),
-                    },
-                    Field {
-                        label: "LitSymbol".to_string(),
-                        ty: DeclarationId(1551),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 1358, 1543),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(794),
-            name: Some("AtomPayload".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Literal".to_string(),
-                        ty: DeclarationId(1552),
-                    },
-                    Field {
-                        label: "UnresolvedIdentifier".to_string(),
-                        ty: DeclarationId(1553),
-                    },
-                    Field {
-                        label: "ResolvedByStructure".to_string(),
-                        ty: DeclarationId(1554),
-                    },
-                    Field {
-                        label: "ResolvedByName".to_string(),
-                        ty: DeclarationId(1555),
-                    },
-                    Field {
-                        label: "TypeParam".to_string(),
-                        ty: DeclarationId(1556),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 3655, 3824),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(795),
-            name: Some("PositiveIntervalWidth".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "OneUnit".to_string(),
-                        ty: DeclarationId(1557),
-                    },
-                    Field {
-                        label: "AdditionalUnit".to_string(),
-                        ty: DeclarationId(1558),
-                    },
-                    Field {
-                        label: "UnitCount".to_string(),
-                        ty: DeclarationId(1559),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 4417, 6098),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(796),
-            name: Some("IntervalWidth".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ZeroWidth".to_string(),
-                        ty: DeclarationId(1560),
-                    },
-                    Field {
-                        label: "PositiveWidth".to_string(),
-                        ty: DeclarationId(1561),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6100, 6173),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(797),
-            name: Some("Interval".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "BoundedInterval".to_string(),
-                        ty: DeclarationId(1562),
-                    },
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(1563),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(798)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6464, 6549),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(798),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("D".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6464, 6549),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(799),
-            name: Some("IntInterval".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(797),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(798),
-                    value: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 6699, 6731),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(800),
-            name: Some("BoundDeclaration".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "StaticBound".to_string(),
-                        ty: DeclarationId(1565),
-                    },
-                    Field {
-                        label: "PlatformDependent".to_string(),
-                        ty: DeclarationId(1566),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7087, 7161),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(801),
-            name: Some("CardinalityBound".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Exact".to_string(),
-                        ty: DeclarationId(1567),
-                    },
-                    Field {
-                        label: "AtMostOne".to_string(),
-                        ty: DeclarationId(1568),
-                    },
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(1569),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7386, 7450),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(802),
-            name: Some("ConjField".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "label".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "ty".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7452, 7506),
-        });
-        declarations.push(Declaration {
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-            name: Some("TemplateArgument".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
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-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7508, 7583),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(804),
-            name: Some("FieldEntry".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "label".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(805),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7585, 7640),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(805),
-            name: Some("FieldValue".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Literal".to_string(),
-                        ty: DeclarationId(1570),
-                    },
-                    Field {
-                        label: "Reference".to_string(),
-                        ty: DeclarationId(1571),
-                    },
-                    Field {
-                        label: "Record".to_string(),
-                        ty: DeclarationId(1573),
-                    },
-                    Field {
-                        label: "List".to_string(),
-                        ty: DeclarationId(1575),
-                    },
-                    Field {
-                        label: "Map".to_string(),
-                        ty: DeclarationId(1577),
-                    },
-                    Field {
-                        label: "Variant".to_string(),
-                        ty: DeclarationId(1579),
-                    },
-                ],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 7857, 8093),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(806),
-            name: Some("ValueBody".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ValueBodyUnparsed".to_string(),
-                        ty: DeclarationId(1580),
-                    },
-                    Field {
-                        label: "ValueBodyStructural".to_string(),
-                        ty: DeclarationId(1582),
-                    },
-                    Field {
-                        label: "ValueBodyScalar".to_string(),
-                        ty: DeclarationId(1583),
-                    },
-                    Field {
-                        label: "ValueBodyList".to_string(),
-                        ty: DeclarationId(1585),
-                    },
-                    Field {
-                        label: "ValueBodyMap".to_string(),
-                        ty: DeclarationId(1587),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 9687, 9892),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(807),
-            name: Some("BindNodeId".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "node".to_string(),
-                    ty: DeclarationId(735),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 10796, 10830),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(808),
-            name: Some("ArrowBody".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "UserDefined".to_string(),
-                        ty: DeclarationId(1588),
-                    },
-                    Field {
-                        label: "ExternalRealization".to_string(),
-                        ty: DeclarationId(1589),
-                    },
-                    Field {
-                        label: "Pending".to_string(),
-                        ty: DeclarationId(1590),
-                    },
-                    Field {
-                        label: "NoBody".to_string(),
-                        ty: DeclarationId(1591),
-                    },
-                    Field {
-                        label: "Unparsed".to_string(),
-                        ty: DeclarationId(1592),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 11127, 11256),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(809),
-            name: Some("TypeConnective".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Atom".to_string(),
-                        ty: DeclarationId(1593),
-                    },
-                    Field {
-                        label: "Conj".to_string(),
-                        ty: DeclarationId(1595),
-                    },
-                    Field {
-                        label: "Disj".to_string(),
-                        ty: DeclarationId(1597),
-                    },
-                    Field {
-                        label: "Arrow".to_string(),
-                        ty: DeclarationId(1599),
-                    },
-                    Field {
-                        label: "Cardinality".to_string(),
-                        ty: DeclarationId(1600),
-                    },
-                    Field {
-                        label: "Instantiation".to_string(),
-                        ty: DeclarationId(1602),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 11461, 11861),
-        });
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-            id: DeclarationId(810),
-            name: Some("Declaration".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "id".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(1603),
-                    },
-                    Field {
-                        label: "connective".to_string(),
-                        ty: DeclarationId(809),
-                    },
-                    Field {
-                        label: "type_params".to_string(),
-                        ty: DeclarationId(1604),
-                    },
-                    Field {
-                        label: "phantom_params".to_string(),
-                        ty: DeclarationId(1605),
-                    },
-                    Field {
-                        label: "meta_tag".to_string(),
-                        ty: DeclarationId(1606),
-                    },
-                    Field {
-                        label: "inhabits".to_string(),
-                        ty: DeclarationId(1607),
-                    },
-                    Field {
-                        label: "value_body".to_string(),
-                        ty: DeclarationId(1608),
-                    },
-                    Field {
-                        label: "nominal_opacity".to_string(),
-                        ty: DeclarationId(1609),
-                    },
-                    Field {
-                        label: "span".to_string(),
-                        ty: DeclarationId(155),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 11863, 12157),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(811),
-            name: Some("PhantomParameter".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "parameter".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "algebra".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 12630, 12707),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(812),
-            name: Some("NominalOpacity".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "permitted_accessors".to_string(),
-                    ty: DeclarationId(1610),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 13214, 13280),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(813),
-            name: Some("ArithmeticOp".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Add".to_string(),
-                        ty: DeclarationId(1611),
-                    },
-                    Field {
-                        label: "Sub".to_string(),
-                        ty: DeclarationId(1612),
-                    },
-                    Field {
-                        label: "Mul".to_string(),
-                        ty: DeclarationId(1613),
-                    },
-                    Field {
-                        label: "Div".to_string(),
-                        ty: DeclarationId(1614),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 13537, 13586),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(814),
-            name: Some("ComparisonOp".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Eq".to_string(),
-                        ty: DeclarationId(1615),
-                    },
-                    Field {
-                        label: "Ne".to_string(),
-                        ty: DeclarationId(1616),
-                    },
-                    Field {
-                        label: "Lt".to_string(),
-                        ty: DeclarationId(1617),
-                    },
-                    Field {
-                        label: "Le".to_string(),
-                        ty: DeclarationId(1618),
-                    },
-                    Field {
-                        label: "Gt".to_string(),
-                        ty: DeclarationId(1619),
-                    },
-                    Field {
-                        label: "Ge".to_string(),
-                        ty: DeclarationId(1620),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 13688, 13747),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(815),
-            name: Some("PerfBaselineMeasurement".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "median_ns".to_string(),
-                        ty: DeclarationId(76),
-                    },
-                    Field {
-                        label: "p99_delta_ns".to_string(),
-                        ty: DeclarationId(76),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 14202, 14271),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(816),
-            name: Some("LogicalOp".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "And".to_string(),
-                        ty: DeclarationId(1621),
-                    },
-                    Field {
-                        label: "Or".to_string(),
-                        ty: DeclarationId(1622),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 14505, 14534),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(817),
-            name: Some("OperatorKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Arithmetic".to_string(),
-                        ty: DeclarationId(1623),
-                    },
-                    Field {
-                        label: "Comparison".to_string(),
-                        ty: DeclarationId(1624),
-                    },
-                    Field {
-                        label: "Logical".to_string(),
-                        ty: DeclarationId(1625),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 14748, 14846),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(818),
-            name: Some("TransformTarget".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Callable".to_string(),
-                        ty: DeclarationId(1626),
-                    },
-                    Field {
-                        label: "UnresolvedFieldProject".to_string(),
-                        ty: DeclarationId(1627),
-                    },
-                    Field {
-                        label: "ResolvedFieldProject".to_string(),
-                        ty: DeclarationId(1628),
-                    },
-                    Field {
-                        label: "Operator".to_string(),
-                        ty: DeclarationId(1629),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 15008, 15203),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(819),
-            name: Some("BranchPattern".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "UnresolvedVariant".to_string(),
-                        ty: DeclarationId(1630),
-                    },
-                    Field {
-                        label: "ResolvedVariant".to_string(),
-                        ty: DeclarationId(1631),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 15305, 15415),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(820),
-            name: Some("PayloadBinding".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "binding_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "payload_port".to_string(),
-                        ty: DeclarationId(736),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 15417, 15486),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(821),
-            name: Some("BranchPath".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "body".to_string(),
-                        ty: DeclarationId(735),
-                    },
-                    Field {
-                        label: "result_port".to_string(),
-                        ty: DeclarationId(736),
-                    },
-                    Field {
-                        label: "pattern".to_string(),
-                        ty: DeclarationId(819),
-                    },
-                    Field {
-                        label: "binding".to_string(),
-                        ty: DeclarationId(1632),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 15488, 15596),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(822),
-            name: Some("ParamRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "member".to_string(),
-                        ty: DeclarationId(735),
-                    },
-                    Field {
-                        label: "slot".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 16195, 16241),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(823),
-            name: Some("TransformRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "node".to_string(),
-                    ty: DeclarationId(735),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 16753, 16789),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(824),
-            name: Some("ElementRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "index".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![DeclarationId(825)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 17406, 17447),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(825),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("element".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 17406, 17447),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(826),
-            name: Some("MemberDescent".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "param".to_string(),
-                    ty: DeclarationId(822),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 17449, 17489),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(827),
-            name: Some("IntraClusterCall".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "transform".to_string(),
-                    ty: DeclarationId(823),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 17491, 17542),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(828),
-            name: Some("Cluster".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "members".to_string(),
-                        ty: DeclarationId(1633),
-                    },
-                    Field {
-                        label: "intra_cluster_calls".to_string(),
-                        ty: DeclarationId(1634),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 17544, 17657),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(829),
-            name: Some("LoopBound".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Cardinality".to_string(),
-                        ty: DeclarationId(1635),
-                    },
-                    Field {
-                        label: "Descent".to_string(),
-                        ty: DeclarationId(1636),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/substrate.dag", 18259, 18359),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(830),
-            name: Some("loop_bound_measure".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(829)],
-                output: DeclarationId(736),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(300))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
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-                        "src/v3/std/coproduct_projection.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/cross_target_coverage.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/diagnostics.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/dimensions.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/effects.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/emission_provenance.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/emit_model.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/extdeps_bootstrap_fixtures.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/go_method_template_contracts.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/induction.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/integer_diagnostic_order.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/lens.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/lens_application.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/list.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/lookup.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/methods.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/parse_surface.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/python_method_template_contracts.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/resources.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/runtime.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/rust_method_template_contracts.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/services.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/substrate.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/substrate_minimal.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/termination.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/timing_lens.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/t_ci_workflow_as_data_demo.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/tokenize.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/verification.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/std/workflows.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1737),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/v3_l1.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1738),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/go.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1738),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/python.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1738),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/spec/rust.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1738),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/compiler/pipeline.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1739),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/compiler/operators.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1739),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "src/v3/compiler/regen.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1739),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/languages/rust/primitives.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1740),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/cron/schedule_model.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1740),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/github/github.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1740),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/github/actions.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1740),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "dsl/extdeps/github/ci.dag".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1740),
-                            payload: vec![],
-                        },
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bootstrap_authority.dag", 1361, 4934),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(878),
-            name: Some("BridgeStatus".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Retired".to_string(),
-                        ty: DeclarationId(1741),
-                    },
-                    Field {
-                        label: "Open".to_string(),
-                        ty: DeclarationId(1742),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 4987, 5025),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(879),
-            name: Some("BridgeLedgerRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "decl".to_string(),
-                    ty: DeclarationId(1337),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 5989, 6036),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(880),
-            name: Some("BridgeLedgerRow".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "owner".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "status".to_string(),
-                        ty: DeclarationId(878),
-                    },
-                    Field {
-                        label: "authority".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 6679, 6789),
-        });
-        declarations.push(Declaration { id: DeclarationId(881), name: Some("bridge_ledger".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(699), arguments: vec![TemplateArgument { parameter: DeclarationId(700), value: DeclarationId(880) }] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1743)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::List(vec![FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_source_span_file_participation_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("R3".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(1742), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("ROADMAP.md#lens-fold-file-path-semantics".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_mark_bootstrap_secret_nominal_opacity_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("R2-Substrate".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(1741), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("PR #937".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_canonical_lens_name_dispatch_pr1183_slice_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("R2-Substrate".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(1741), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("src/v3/compiler/tests/integration/canonical_lens_bridge_ratchet_test.rs".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_canonical_lens_name_patching_residual".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("PB-Runtime".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(1741), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("docs/briefs/r3-pb-bridge-canonical-lens-name-dispatch-closure.md".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_include_str_side_channels_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("pipeline_authority".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(1741), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("src/v3/compiler/tests/integration/l1_5_fixed_point_test.rs".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_exact_string_patching_residual_retired".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("PB-Tier-2".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(1741), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("src/v3/compiler/tests/integration/bridge_lower_helpers_patch_zero_residual_test.rs".to_string())))]), FieldValue::Record(vec![("name".to_string(), FieldValue::Literal(LiteralBits::String("bridge_exact_string_semantic_patching_residual".to_string()))), ("owner".to_string(), FieldValue::Literal(LiteralBits::String("PB-Runtime".to_string()))), ("status".to_string(), FieldValue::Variant { constructor: DeclarationId(1742), payload: vec![] }), ("authority".to_string(), FieldValue::Literal(LiteralBits::String("docs/briefs/r3-v-bridge-row-4-exact-string-deeper-detail-receipt.md".to_string())))])])), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/bridge_ledger.dag", 7253, 8706) });
-        declarations.push(Declaration {
-            id: DeclarationId(882),
-            name: Some("Mutability".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Immutable".to_string(),
-                        ty: DeclarationId(1744),
-                    },
-                    Field {
-                        label: "Mutable".to_string(),
-                        ty: DeclarationId(1745),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 340, 381),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(883),
-            name: Some("Purity".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Pure".to_string(),
-                        ty: DeclarationId(1746),
-                    },
-                    Field {
-                        label: "Effectful".to_string(),
-                        ty: DeclarationId(1747),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 598, 632),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(884),
-            name: Some("Structure".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ExplicitDAG".to_string(),
-                        ty: DeclarationId(1748),
-                    },
-                    Field {
-                        label: "Arbitrary".to_string(),
-                        ty: DeclarationId(1749),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 891, 935),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(885),
-            name: Some("Iteration".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Bounded".to_string(),
-                        ty: DeclarationId(1750),
-                    },
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(1751),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 1147, 1187),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(886),
-            name: Some("ComputationModel".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "mutability".to_string(),
-                        ty: DeclarationId(882),
-                    },
-                    Field {
-                        label: "purity".to_string(),
-                        ty: DeclarationId(883),
-                    },
-                    Field {
-                        label: "structure".to_string(),
-                        ty: DeclarationId(884),
-                    },
-                    Field {
-                        label: "iteration".to_string(),
-                        ty: DeclarationId(885),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 1387, 1500),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(887),
-            name: Some("dag_model".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(886),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(886)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "mutability".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1744),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "purity".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1746),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "structure".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1748),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "iteration".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1750),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 1502, 1625),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(888),
-            name: Some("MemoryModel".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ValueOnly".to_string(),
-                        ty: DeclarationId(1752),
-                    },
-                    Field {
-                        label: "GarbageCollected".to_string(),
-                        ty: DeclarationId(1753),
-                    },
-                    Field {
-                        label: "RefCounted".to_string(),
-                        ty: DeclarationId(1754),
-                    },
-                    Field {
-                        label: "OwnershipBased".to_string(),
-                        ty: DeclarationId(1755),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2014, 2099),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(889),
-            name: Some("ScopeModel".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LexicalScoping".to_string(),
-                        ty: DeclarationId(1756),
-                    },
-                    Field {
-                        label: "DynamicScoping".to_string(),
-                        ty: DeclarationId(1757),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2365, 2418),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(890),
-            name: Some("TargetExecutionModel".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "memory".to_string(),
-                        ty: DeclarationId(888),
-                    },
-                    Field {
-                        label: "scope".to_string(),
-                        ty: DeclarationId(889),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2561, 2632),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(891),
-            name: Some("SourceFiltering".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "excluded_prefixes".to_string(),
-                    ty: DeclarationId(1758),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/computation_model.dag", 2774, 2832),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(892),
-            name: Some("ShapeATargetSourceFiltering".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "internal".to_string(),
-                        ty: DeclarationId(891),
-                    },
-                    Field {
-                        label: "additional_excluded_prefixes".to_string(),
-                        ty: DeclarationId(1759),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("BootstrapFixtureSet".to_string()),
-            connective: TypeConnective::Conj {
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-                    Field {
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-                        ty: DeclarationId(900),
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-                    Field {
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-                        ty: DeclarationId(900),
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-                    Field {
-                        label: "go_method_template_contracts".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
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-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "cross_target_coverage".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_cron".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_github_github".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_github_actions".to_string(),
-                        ty: DeclarationId(900),
-                    },
-                    Field {
-                        label: "extdeps_github_ci".to_string(),
-                        ty: DeclarationId(900),
-                    },
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/extdeps_bootstrap_fixtures.dag", 1600, 2066),
-        });
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-            name: Some("bootstrap_fixture_authority".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(901),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
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-                            FieldValue::Literal(LiteralBits::String(
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-                    (
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-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "src/v3/std/python_method_template_contracts.dag".to_string(),
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-                            FieldValue::Literal(LiteralBits::String(
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-                            FieldValue::Literal(LiteralBits::String(
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-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
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-                        FieldValue::Record(vec![(
-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
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-                    (
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-                            "virtual_path".to_string(),
-                            FieldValue::Literal(LiteralBits::String(
-                                "dsl/extdeps/github/ci.dag".to_string(),
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-        });
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-            connective: TypeConnective::Instantiation {
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-            name: Some("unsigned_int_diagnostic_order".to_string()),
-            connective: TypeConnective::Instantiation {
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-                    value: DeclarationId(1337),
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-                FieldValue::Reference(DeclarationId(83)),
-                FieldValue::Reference(DeclarationId(84)),
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-            span: SourceSpan::new("src/v3/std/lookup.dag", 1388, 1469),
-        });
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-            name: Some("SizeVariable".to_string()),
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-            value_body: None,
-            refinement: None,
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-            refinement: None,
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-            name: Some("DegreeAtLeastTwo".to_string()),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 8379, 8465),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(919),
-            name: Some("SymbolicCost".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ConstantCost".to_string(),
-                        ty: DeclarationId(1811),
-                    },
-                    Field {
-                        label: "LinearCost".to_string(),
-                        ty: DeclarationId(1812),
-                    },
-                    Field {
-                        label: "PolynomialCost".to_string(),
-                        ty: DeclarationId(1813),
-                    },
-                    Field {
-                        label: "ProductCost".to_string(),
-                        ty: DeclarationId(1815),
-                    },
-                    Field {
-                        label: "SumCost".to_string(),
-                        ty: DeclarationId(1817),
-                    },
-                    Field {
-                        label: "LogCost".to_string(),
-                        ty: DeclarationId(1818),
-                    },
-                    Field {
-                        label: "UnknownCost".to_string(),
-                        ty: DeclarationId(1819),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: Some(DeclarationId(1820)),
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 9452, 9761),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(920),
-            name: Some("DominateScanAcc".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "any".to_string(),
-                        ty: DeclarationId(124),
-                    },
-                    Field {
-                        label: "pivot".to_string(),
-                        ty: DeclarationId(919),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10167, 10225),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(921),
-            name: Some("dominate_scan_init".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(920),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(307))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10227, 10322),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(922),
-            name: Some("miss_symbolic_cost_lookup".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1774),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 10963, 10973)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10908, 10973),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(923),
-            name: Some("hit_symbolic_cost_lookup".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(1775),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 11047, 11062)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 10975, 11062),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(924),
-            name: Some("two_terms".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(1776),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(311))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11064, 11539),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(925),
-            name: Some("many_terms".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919), DeclarationId(1777)],
-                output: DeclarationId(1778),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(313))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11541, 11726),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(926),
-            name: Some("reject_all_symbolic_costs".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(318))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11728, 11856),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(927),
-            name: Some("degree_raw".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(918)],
-                output: DeclarationId(87),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(326))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 11858, 12011),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(928),
-            name: Some("sequential".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(330))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 12247, 12350),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(929),
-            name: Some("iterate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(334))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 12536, 12654),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(930),
-            name: Some("max_path_step".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(338))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 13514, 13681),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(931),
-            name: Some("keep_or_sum".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(342))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 13683, 13841),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(932),
-            name: Some("max_path".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1779)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(346))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 14143, 14245),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(933),
-            name: Some("dominates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919), DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(399))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 15113, 17198),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(934),
-            name: Some("same_size_variable".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(915), DeclarationId(915)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(401))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 17200, 17290),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(935),
-            name: Some("AsymptoticClass".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ClassConstant".to_string(),
-                        ty: DeclarationId(1821),
-                    },
-                    Field {
-                        label: "ClassLog".to_string(),
-                        ty: DeclarationId(1822),
-                    },
-                    Field {
-                        label: "ClassLinear".to_string(),
-                        ty: DeclarationId(1823),
-                    },
-                    Field {
-                        label: "ClassLinearithmic".to_string(),
-                        ty: DeclarationId(1824),
-                    },
-                    Field {
-                        label: "ClassQuadratic".to_string(),
-                        ty: DeclarationId(1825),
-                    },
-                    Field {
-                        label: "ClassPolynomial".to_string(),
-                        ty: DeclarationId(1826),
-                    },
-                    Field {
-                        label: "ClassExponential".to_string(),
-                        ty: DeclarationId(1827),
-                    },
-                    Field {
-                        label: "ClassUnknown".to_string(),
-                        ty: DeclarationId(1828),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: Some(DeclarationId(1829)),
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 18077, 18318),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(936),
-            name: Some("asymptotic_dominates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(935), DeclarationId(935)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(471))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 18320, 20588),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(937),
-            name: Some("meet_asymptotic_class".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(935), DeclarationId(935)],
-                output: DeclarationId(935),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(474))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 20590, 20721),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(938),
-            name: Some("join_asymptotic_class".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(935), DeclarationId(935)],
-                output: DeclarationId(935),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(477))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 20723, 20854),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(939),
-            name: Some("classify_symbolic_cost".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(935),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/algebra.dag", 20921, 20954)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 20856, 20954),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(940),
-            name: Some("normalize".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(486))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 21828, 22193),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(941),
-            name: Some("nsl_to_list".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1780)],
-                output: DeclarationId(1781),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(492))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 22195, 22324),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(942),
-            name: Some("drop_additive_zero".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1782)],
-                output: DeclarationId(1783),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(505))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 22501, 22793),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(943),
-            name: Some("collapse_on_multiplicative_zero".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1784)],
-                output: DeclarationId(1785),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(512))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23002, 23165),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(944),
-            name: Some("any_zero".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1786)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(521))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23167, 23332),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(945),
-            name: Some("drop_multiplicative_one".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1787)],
-                output: DeclarationId(1788),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(534))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23490, 23796),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(946),
-            name: Some("is_zero_constant".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(544))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 23798, 24052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(947),
-            name: Some("is_one_constant".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(919)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(554))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 24054, 24307),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(948),
-            name: Some("reduce_sum".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1789)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(566))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 25092, 25363),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(949),
-            name: Some("wrap_sum".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1790)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(578))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 25365, 25640),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(950),
-            name: Some("reduce_product".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1791)],
-                output: DeclarationId(919),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(595))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/algebra.dag", 25825, 26246),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(951),
-            name: Some("combine_binary_product".to_string()),
-            connective: TypeConnective::Arrow {
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-                        ty: DeclarationId(87),
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-                        ty: DeclarationId(1037),
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-                        ty: DeclarationId(1952),
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-            name: Some("ShapeATarget".to_string()),
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-                arguments: vec![],
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-            name: Some("rust_shape_a_target".to_string()),
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-            name: Some("python_shape_a_target".to_string()),
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-            name: Some("go_shape_a_target".to_string()),
-            connective: TypeConnective::Instantiation {
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-                arguments: vec![],
-            },
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-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: Some(ValueBody::Unparsed(SourceSpan::new(
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-            name: Some("FormAxis".to_string()),
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-                    },
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-                        ty: DeclarationId(1957),
-                    },
-                    Field {
-                        label: "Disj".to_string(),
-                        ty: DeclarationId(1958),
-                    },
-                    Field {
-                        label: "Arrow".to_string(),
-                        ty: DeclarationId(1959),
-                    },
-                    Field {
-                        label: "Cardinality".to_string(),
-                        ty: DeclarationId(1960),
-                    },
-                    Field {
-                        label: "Instantiation".to_string(),
-                        ty: DeclarationId(1961),
-                    },
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-        });
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-            id: DeclarationId(1043),
-            name: Some("BehaviorAxis".to_string()),
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-                variants: vec![
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-                        label: "Value".to_string(),
-                        ty: DeclarationId(1962),
-                    },
-                    Field {
-                        label: "Transform".to_string(),
-                        ty: DeclarationId(1963),
-                    },
-                    Field {
-                        label: "Branch".to_string(),
-                        ty: DeclarationId(1964),
-                    },
-                    Field {
-                        label: "Loop".to_string(),
-                        ty: DeclarationId(1965),
-                    },
-                    Field {
-                        label: "Bind".to_string(),
-                        ty: DeclarationId(1966),
-                    },
-                ],
-            },
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-            phantom_params: Vec::new(),
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-            inhabits: None,
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-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 4469, 4529),
-        });
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-            id: DeclarationId(1044),
-            name: Some("MethodTemplateContractKey".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "target".to_string(),
-                        ty: DeclarationId(1038),
-                    },
-                    Field {
-                        label: "dag_method".to_string(),
-                        ty: DeclarationId(852),
-                    },
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-            name: Some("EmissionCell".to_string()),
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-                ],
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-            inhabits: None,
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-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(1046),
-            name: Some("EmissionPathProjection".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "row_identity".to_string(),
-                        ty: DeclarationId(1044),
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-                    Field {
-                        label: "cells".to_string(),
-                        ty: DeclarationId(1967),
-                    },
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-        });
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-            name: Some("emission_path_projections".to_string()),
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-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1046),
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-                    (
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-                            (
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-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(246)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(245)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(262)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(290)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1039)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(296)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(255)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(268)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(292)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(270)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(261)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(259)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(249)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(260)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(246)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(245)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(262)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(290)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(296)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(291)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(247)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1040)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(294)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(255)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(268)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(292)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(260)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(246)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(245)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(262)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(290)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(296)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(291)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(247)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "row_identity".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "target".to_string(),
-                                FieldValue::Reference(DeclarationId(1041)),
-                            ),
-                            (
-                                "dag_method".to_string(),
-                                FieldValue::Record(vec![(
-                                    "decl".to_string(),
-                                    FieldValue::Reference(DeclarationId(294)),
-                                )]),
-                            ),
-                        ]),
-                    ),
-                    (
-                        "cells".to_string(),
-                        FieldValue::List(vec![FieldValue::Record(vec![
-                            (
-                                "connective".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1960),
-                                    payload: vec![],
-                                },
-                            ),
-                            (
-                                "behavior".to_string(),
-                                FieldValue::Variant {
-                                    constructor: DeclarationId(1963),
-                                    payload: vec![],
-                                },
-                            ),
-                        ])]),
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/cross_target_coverage.dag", 6364, 12528),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1048),
-            name: Some("CompilerDiagnosticKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "TokenizerError".to_string(),
-                        ty: DeclarationId(1969),
-                    },
-                    Field {
-                        label: "ParseError".to_string(),
-                        ty: DeclarationId(1970),
-                    },
-                    Field {
-                        label: "TypeMismatch".to_string(),
-                        ty: DeclarationId(1971),
-                    },
-                    Field {
-                        label: "ArityMismatch".to_string(),
-                        ty: DeclarationId(1972),
-                    },
-                    Field {
-                        label: "ResolveError".to_string(),
-                        ty: DeclarationId(1973),
-                    },
-                    Field {
-                        label: "UnitMismatch".to_string(),
-                        ty: DeclarationId(1974),
-                    },
-                    Field {
-                        label: "BranchConditionNotBool".to_string(),
-                        ty: DeclarationId(1975),
-                    },
-                    Field {
-                        label: "MagnitudeOutOfRange".to_string(),
-                        ty: DeclarationId(1976),
-                    },
-                    Field {
-                        label: "MalformedIntegerRangeFact".to_string(),
-                        ty: DeclarationId(1977),
-                    },
-                    Field {
-                        label: "NominalOpacityViolation".to_string(),
-                        ty: DeclarationId(1978),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 1067, 1306),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1049),
-            name: Some("CorrectionWitness".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "description".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "span".to_string(),
-                        ty: DeclarationId(155),
-                    },
-                    Field {
-                        label: "new_source".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 1517, 1777),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1050),
-            name: Some("RetirementPlan".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "owner".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "exit_condition".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 1982, 2046),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1051),
-            name: Some("Correction".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LiveCorrection".to_string(),
-                        ty: DeclarationId(1979),
-                    },
-                    Field {
-                        label: "DeferredCorrection".to_string(),
-                        ty: DeclarationId(1980),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 2896, 3036),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1052),
-            name: Some("DiagnosticKindDecl".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "payload".to_string(),
-                        ty: DeclarationId(789),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 3816, 3879),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1053),
-            name: Some("LensInstanceKindWitness".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "kind_decl".to_string(),
-                    ty: DeclarationId(1337),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 6081, 6141),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1054),
-            name: Some("AnyDiagnosticKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "CompilerKind".to_string(),
-                        ty: DeclarationId(1981),
-                    },
-                    Field {
-                        label: "LensInstanceKind".to_string(),
-                        ty: DeclarationId(1982),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 6750, 6859),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1055),
-            name: Some("Diagnostic".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(1054),
-                    },
-                    Field {
-                        label: "span".to_string(),
-                        ty: DeclarationId(155),
-                    },
-                    Field {
-                        label: "message".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "correction".to_string(),
-                        ty: DeclarationId(1051),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 7228, 7335),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1056),
-            name: Some("EmissionDiagnostic".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "UnderRefined".to_string(),
-                        ty: DeclarationId(1983),
-                    },
-                    Field {
-                        label: "NoInhabitant".to_string(),
-                        ty: DeclarationId(1984),
-                    },
-                    Field {
-                        label: "ContradictoryUse".to_string(),
-                        ty: DeclarationId(1986),
-                    },
-                    Field {
-                        label: "OutOfR2Scope".to_string(),
-                        ty: DeclarationId(1987),
-                    },
-                    Field {
-                        label: "LifetimeProgramExtractionPending".to_string(),
-                        ty: DeclarationId(1988),
-                    },
-                    Field {
-                        label: "FoldNotImplemented".to_string(),
-                        ty: DeclarationId(1989),
-                    },
-                    Field {
-                        label: "MissingEmissionPath".to_string(),
-                        ty: DeclarationId(1990),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/diagnostics.dag", 9969, 12739),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1057),
-            name: Some("ViolatesSubject".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "AtBehavior".to_string(),
-                        ty: DeclarationId(2005),
-                    },
-                    Field {
-                        label: "ProducerLookupMissingPort".to_string(),
-                        ty: DeclarationId(2006),
-                    },
-                    Field {
-                        label: "ProducerLookupMissingNode".to_string(),
-                        ty: DeclarationId(2007),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 2360, 2503),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1058),
-            name: Some("Witness".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Inhabits".to_string(),
-                        ty: DeclarationId(2008),
-                    },
-                    Field {
-                        label: "Violates".to_string(),
-                        ty: DeclarationId(2009),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(1059)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 2505, 2606),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1059),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 2505, 2606),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1060),
-            name: Some("OptionalDiagnostic".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoDiagnostic".to_string(),
-                        ty: DeclarationId(2010),
-                    },
-                    Field {
-                        label: "SomeDiagnostic".to_string(),
-                        ty: DeclarationId(2011),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 2760, 2841),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1061),
-            name: Some("DimensionReport".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DimensionOk".to_string(),
-                        ty: DeclarationId(2014),
-                    },
-                    Field {
-                        label: "DimensionFail".to_string(),
-                        ty: DeclarationId(2018),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(1062)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 3200, 3476),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1062),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 3200, 3476),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1063),
-            name: Some("AnalysisDimension".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "witness_of".to_string(),
-                        ty: DeclarationId(2020),
-                    },
-                    Field {
-                        label: "compose".to_string(),
-                        ty: DeclarationId(2021),
-                    },
-                    Field {
-                        label: "break_diagnostic".to_string(),
-                        ty: DeclarationId(2022),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(1064)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 4727, 4920),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1064),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 4727, 4920),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1065),
-            name: Some("Dimension".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: DeclarationId(1067),
-                }],
-            },
-            type_params: vec![DeclarationId(1066), DeclarationId(1067)],
-            phantom_params: vec![PhantomParameter {
-                parameter: DeclarationId(1066),
-                algebra: DeclarationId(2023),
-            }],
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5561, 5611),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-        });
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-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
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-        });
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-            id: DeclarationId(1068),
-            name: Some("Meters".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
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-        });
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-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            name: Some("Kilograms".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
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-            id: DeclarationId(1071),
-            name: Some("Amperes".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
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-        });
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-            name: Some("Kelvin".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
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-        });
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-            name: Some("Moles".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5678, 5688),
-        });
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-            id: DeclarationId(1074),
-            name: Some("Candela".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            name: Some("add_dimension".to_string()),
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-                    DeclarationId(1991),
-                    DeclarationId(1992),
-                    DeclarationId(1993),
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-            specialization_parent: None,
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(1076),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5703, 5897),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1077),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5703, 5897),
-        });
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-            name: Some("sub_dimension".to_string()),
-            connective: TypeConnective::Arrow {
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-                    DeclarationId(1995),
-                    DeclarationId(1996),
-                    DeclarationId(1997),
-                ],
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-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5899, 6093),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1079),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5899, 6093),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1080),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 5899, 6093),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1081),
-            name: Some("mul_dimension_scalar".to_string()),
-            connective: TypeConnective::Arrow {
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-                    DeclarationId(1999),
-                    DeclarationId(2000),
-                    DeclarationId(1083),
-                ],
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-            },
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6095, 6288),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1082),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6095, 6288),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1083),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6095, 6288),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1084),
-            name: Some("div_dimension_scalar".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![
-                    DeclarationId(2002),
-                    DeclarationId(2003),
-                    DeclarationId(1086),
-                ],
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-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/dimensions.dag", 6454, 6483)),
-            },
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6290, 6483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1085),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Unit".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6290, 6483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1086),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/dimensions.dag", 6290, 6483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1087),
-            name: Some("go_language_spec_free_monoid_concat_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
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-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(253)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "append({left}, {right}...)".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
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-                            ))],
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-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 3213, 3515),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1088),
-            name: Some("go_language_spec_free_monoid_length_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(271)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("int64(len({recv}))".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "int64(len({recv}))".to_string(),
-                            ))],
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-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 3517, 3803),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1089),
-            name: Some("go_language_spec_free_monoid_emptiness_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(267)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("len({recv}) == 0".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "len({recv}) == 0".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 3895, 4182),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1090),
-            name: Some("go_language_spec_free_monoid_fold_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(263)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
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-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "/* fold({recv}, {init}, {body}) */".to_string(),
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-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 4617, 4931),
-        });
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-            id: DeclarationId(1091),
-            name: Some("go_language_spec_map_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(274)),
-                        )]),
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-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "/* map({recv}, {body}) */".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "/* map({recv}, {body}) */".to_string(),
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-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
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-            refinement: None,
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-        });
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-            id: DeclarationId(1092),
-            name: Some("go_filter_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(260)),
-                        )]),
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-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.Filter({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.Filter({recv}, {arg})".to_string(),
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-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
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-            refinement: None,
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-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 5701, 5993),
-        });
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-            id: DeclarationId(1093),
-            name: Some("go_any_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(246)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.Any({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.Any({recv}, {arg})".to_string(),
-                            ))],
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-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
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-            refinement: None,
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-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 5995, 6275),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1094),
-            name: Some("go_all_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(245)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.All({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.All({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 6277, 6557),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1095),
-            name: Some("go_flat_map_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(262)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.FlatMap({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.FlatMap({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 6559, 6857),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1096),
-            name: Some("go_method_template_contracts".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1025),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2024)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(255)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("len({recv})".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "len({recv})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(268)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "strings.Join({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "strings.Join({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(292)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "strings.Split({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "strings.Split({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Reference(DeclarationId(1092)),
-                FieldValue::Reference(DeclarationId(1093)),
-                FieldValue::Reference(DeclarationId(1094)),
-                FieldValue::Reference(DeclarationId(1095)),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(290)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[{arg}:]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[{arg}:]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(296)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[:{arg}]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[:{arg}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(291)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "v2rt.SortBy({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "v2rt.SortBy({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(247)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "append({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "append({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(294)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "strings.Contains({recv}, {arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "strings.Contains({recv}, {arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/go_method_template_contracts.dag", 6859, 8941),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1097),
-            name: Some("Lens".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "read".to_string(),
-                        ty: DeclarationId(2026),
-                    },
-                    Field {
-                        label: "sequential".to_string(),
-                        ty: DeclarationId(2027),
-                    },
-                    Field {
-                        label: "branch".to_string(),
-                        ty: DeclarationId(2028),
-                    },
-                    Field {
-                        label: "iterate".to_string(),
-                        ty: DeclarationId(2029),
-                    },
-                    Field {
-                        label: "validate".to_string(),
-                        ty: DeclarationId(2030),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(1098)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens.dag", 4121, 4318),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1098),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("C".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens.dag", 4121, 4318),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1099),
-            name: Some("SectionRef".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DeclarationScope".to_string(),
-                        ty: DeclarationId(2031),
-                    },
-                    Field {
-                        label: "NodeScope".to_string(),
-                        ty: DeclarationId(2032),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 3544, 3677),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1100),
-            name: Some("DiagnosticSeverity".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "Error".to_string(),
-                    ty: DeclarationId(2033),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 4530, 4561),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1101),
-            name: Some("LensEnforcement".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "project".to_string(),
-                        ty: DeclarationId(2034),
-                    },
-                    Field {
-                        label: "violates".to_string(),
-                        ty: DeclarationId(2035),
-                    },
-                ],
-            },
-            type_params: vec![
-                DeclarationId(1102),
-                DeclarationId(1103),
-                DeclarationId(1104),
-            ],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1102),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Output".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1103),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Budget".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1104),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Projected".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 5737, 5862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1105),
-            name: Some("EnforceableLens".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "lens".to_string(),
-                        ty: DeclarationId(2036),
-                    },
-                    Field {
-                        label: "enforcement".to_string(),
-                        ty: DeclarationId(2037),
-                    },
-                ],
-            },
-            type_params: vec![
-                DeclarationId(1106),
-                DeclarationId(1107),
-                DeclarationId(1108),
-            ],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1106),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Output".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1107),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Budget".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1108),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Projected".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 7813, 7943),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1109),
-            name: Some("EnforcedApplication".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "enforceable_lens".to_string(),
-                        ty: DeclarationId(2038),
-                    },
-                    Field {
-                        label: "section".to_string(),
-                        ty: DeclarationId(1099),
-                    },
-                    Field {
-                        label: "budget".to_string(),
-                        ty: DeclarationId(1111),
-                    },
-                    Field {
-                        label: "diagnostic_severity".to_string(),
-                        ty: DeclarationId(1100),
-                    },
-                    Field {
-                        label: "span".to_string(),
-                        ty: DeclarationId(155),
-                    },
-                ],
-            },
-            type_params: vec![
-                DeclarationId(1110),
-                DeclarationId(1111),
-                DeclarationId(1112),
-            ],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1110),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Output".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1111),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Budget".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1112),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Projected".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 9637, 9855),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1113),
-            name: Some("IntrospectApplication".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "lens".to_string(),
-                        ty: DeclarationId(2039),
-                    },
-                    Field {
-                        label: "section".to_string(),
-                        ty: DeclarationId(1099),
-                    },
-                    Field {
-                        label: "span".to_string(),
-                        ty: DeclarationId(155),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(1114)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 10728, 10828),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1114),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Output".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/lens_application.dag", 10728, 10828),
-        });
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-            id: DeclarationId(1115),
-            name: Some("python_language_spec_free_monoid_concat_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(253)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("[*{left}, *{right}]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "[*{left}, *{right}]".to_string(),
-                            ))],
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-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
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-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                3320,
-                3612,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1116),
-            name: Some("python_language_spec_free_monoid_length_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(271)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("len({recv})".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "len({recv})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                3614,
-                3890,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1117),
-            name: Some("python_language_spec_free_monoid_emptiness_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(267)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("(len({recv}) == 0)".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "(len({recv}) == 0)".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                3997,
-                4292,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1118),
-            name: Some("python_language_spec_free_monoid_fold_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(263)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "__v3_fold({recv}, {init}, {body})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "__v3_fold({recv}, {init}, {body})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                4665,
-                4981,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1119),
-            name: Some("python_language_spec_map_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(274)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "[{body} for {item} in {recv}]".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "[{body} for {item} in {recv}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                5189,
-                5483,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1120),
-            name: Some("python_filter_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(260)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "[x for x in {recv} if {arg}(x)]".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "[x for x in {recv} if {arg}(x)]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                5485,
-                5791,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1121),
-            name: Some("python_any_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(246)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "any({arg}(x) for x in {recv})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "any({arg}(x) for x in {recv})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                5793,
-                6089,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1122),
-            name: Some("python_all_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(245)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "all({arg}(x) for x in {recv})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "all({arg}(x) for x in {recv})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                6091,
-                6387,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1123),
-            name: Some("python_flat_map_method_template_contract".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1025),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1025)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(262)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "[y for x in {recv} for y in {arg}(x)]".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "[y for x in {recv} for y in {arg}(x)]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                6389,
-                6711,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1124),
-            name: Some("python_method_template_contracts".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1025),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2040)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(255)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("len({recv})".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "len({recv})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(268)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{arg}.join({recv})".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{arg}.join({recv})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(292)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}.split({arg})".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}.split({arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(270)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{recv}[-1] if {recv} else None".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[-1] if {recv} else None".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(261)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "{recv}[0] if {recv} else None".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[0] if {recv} else None".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(259)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "list(enumerate({recv}))".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "list(enumerate({recv}))".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(249)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "[ord(c) for c in {recv}]".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "[ord(c) for c in {recv}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Reference(DeclarationId(1120)),
-                FieldValue::Reference(DeclarationId(1121)),
-                FieldValue::Reference(DeclarationId(1122)),
-                FieldValue::Reference(DeclarationId(1123)),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(290)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[{arg}:]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[{arg}:]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(296)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv}[:{arg}]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv}[:{arg}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(291)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "sorted({recv}, key={arg})".to_string(),
-                        )),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "sorted({recv}, key={arg})".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(247)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{recv} + [{arg}]".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{recv} + [{arg}]".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "dag_method".to_string(),
-                        FieldValue::Record(vec![(
-                            "decl".to_string(),
-                            FieldValue::Reference(DeclarationId(294)),
-                        )]),
-                    ),
-                    (
-                        "runtime_template".to_string(),
-                        FieldValue::Literal(LiteralBits::String("{arg} in {recv}".to_string())),
-                    ),
-                    (
-                        "emit_template".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1928),
-                            payload: vec![FieldValue::Literal(LiteralBits::String(
-                                "{arg} in {recv}".to_string(),
-                            ))],
-                        },
-                    ),
-                    (
-                        "wraps_result".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(false)),
-                    ),
-                    (
-                        "placeholder_convention".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(1927),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new(
-                "src/v3/std/python_method_template_contracts.dag",
-                6713,
-                9706,
-            ),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1125),
-            name: Some("NamedField".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "label".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(1126),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 760, 810),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1126),
-            name: Some("Value".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LiteralValue".to_string(),
-                        ty: DeclarationId(2042),
-                    },
-                    Field {
-                        label: "RecordValue".to_string(),
-                        ty: DeclarationId(2044),
-                    },
-                    Field {
-                        label: "VariantValue".to_string(),
-                        ty: DeclarationId(2045),
-                    },
-                    Field {
-                        label: "NodeRef".to_string(),
-                        ty: DeclarationId(2046),
-                    },
-                    Field {
-                        label: "CardinalityValue".to_string(),
-                        ty: DeclarationId(2047),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 2122, 2304),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1127),
-            name: Some("ProgramObservation".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "observed".to_string(),
-                    ty: DeclarationId(1128),
-                }],
-            },
-            type_params: vec![DeclarationId(1128)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 3208, 3264),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1128),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Carrier".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 3208, 3264),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1129),
-            name: Some("EvalFrame".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "bindings".to_string(),
-                    ty: DeclarationId(2048),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 3907, 3956),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1130),
-            name: Some("EvalStateStack".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "frames".to_string(),
-                    ty: DeclarationId(2049),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 4510, 4559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1131),
-            name: Some("EvalStateKey".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "state".to_string(),
-                    ty: DeclarationId(1130),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 4940, 4985),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1132),
-            name: Some("EvalStrategy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "ApplicativeOrder".to_string(),
-                    ty: DeclarationId(2050),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 5368, 5442),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1133),
-            name: Some("InputEvaluationOrder".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LeftFirst".to_string(),
-                        ty: DeclarationId(2051),
-                    },
-                    Field {
-                        label: "RightFirst".to_string(),
-                        ty: DeclarationId(2052),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 5654, 5704),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1134),
-            name: Some("EvalMemoKey".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "program".to_string(),
-                        ty: DeclarationId(737),
-                    },
-                    Field {
-                        label: "node".to_string(),
-                        ty: DeclarationId(735),
-                    },
-                    Field {
-                        label: "state_key".to_string(),
-                        ty: DeclarationId(1131),
-                    },
-                    Field {
-                        label: "strategy".to_string(),
-                        ty: DeclarationId(1132),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 6013, 6124),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1135),
-            name: Some("evaluate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(735), DeclarationId(2041)],
-                output: DeclarationId(1126),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/runtime.dag", 11260, 11279)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/runtime.dag", 11191, 11279),
-        });
-        declarations.push(Declaration { id: DeclarationId(1136), name: Some("rust_filter_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(260)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let __filter_source = {iter}; let mut __result = Vec::new(); for {param} in __filter_source.iter() { if {body} { __result.push((*{param}).clone()); } } __result }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1929), payload: vec![FieldValue::Literal(LiteralBits::String("{ let __filter_source = {iter}; let mut __result = Vec::new(); for {param} in __filter_source.iter() { if {body} { __result.push((*{param}).clone()); } } __result }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.filter({arg}).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 3555, 4208) });
-        declarations.push(Declaration { id: DeclarationId(1137), name: Some("rust_any_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(246)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let mut __found = false; for {param} in {iter} { if {body} { __found = true; break; } } __found }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1929), payload: vec![FieldValue::Literal(LiteralBits::String("{ let mut __found = false; for {param} in {iter} { if {body} { __found = true; break; } } __found }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.any({arg})".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 4210, 4705) });
-        declarations.push(Declaration { id: DeclarationId(1138), name: Some("rust_all_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(245)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let mut __all = true; for {param} in {iter} { if !({body}) { __all = false; break; } } __all }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1929), payload: vec![FieldValue::Literal(LiteralBits::String("{ let mut __all = true; for {param} in {iter} { if !({body}) { __all = false; break; } } __all }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.all({arg})".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 4707, 5196) });
-        declarations.push(Declaration { id: DeclarationId(1139), name: Some("rust_flat_map_method_template_contract".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(1025), arguments: vec![] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(1025)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::Structural { fields: vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(262)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{ let mut __result = Vec::new(); for {param} in {iter} { __result.extend({inner_iter}); } __result }".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1929), payload: vec![FieldValue::Literal(LiteralBits::String("{ let mut __result = Vec::new(); for {param} in {iter} { __result.extend({inner_iter}); } __result }".to_string())), FieldValue::Literal(LiteralBits::String("{iter}.flat_map({arg}).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })] }), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 5198, 5729) });
-        declarations.push(Declaration { id: DeclarationId(1140), name: Some("rust_method_template_contracts".to_string()), connective: TypeConnective::Instantiation { template: DeclarationId(699), arguments: vec![TemplateArgument { parameter: DeclarationId(700), value: DeclarationId(1025) }] }, type_params: vec![], phantom_params: Vec::new(), meta_tag: Some(DeclarationId(2053)), specialization_parent: None, inhabits: None, value_body: Some(ValueBody::List(vec![FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(255)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.len()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("({recv}.len() as i64)".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(268)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.join(&{arg})".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.join(&{arg})".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(292)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.split(&{arg}).map(|s| s.to_string()).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.split(&{arg}).map(|s| s.to_string()).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(270)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.last().cloned()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.last().cloned()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(261)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.first().cloned()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.first().cloned()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(false))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(259)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.iter().enumerate().map(|(i, v)| (i, v.clone())).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().enumerate().map(|(i, v)| (i as i64, v)).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(249)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.chars().map(|c| c as i64).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.chars().map(|c| c as i64).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Reference(DeclarationId(1136)), FieldValue::Reference(DeclarationId(1137)), FieldValue::Reference(DeclarationId(1138)), FieldValue::Reference(DeclarationId(1139)), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(290)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().skip({arg} as usize).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().skip({arg} as usize).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })]), FieldValue::Record(vec![("dag_method".to_string(), FieldValue::Record(vec![("decl".to_string(), FieldValue::Reference(DeclarationId(296)))])), ("runtime_template".to_string(), FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().take({arg} as usize).collect::<Vec<_>>()".to_string()))), ("emit_template".to_string(), FieldValue::Variant { constructor: DeclarationId(1928), payload: vec![FieldValue::Literal(LiteralBits::String("{recv}.iter().cloned().take({arg} as usize).collect::<Vec<_>>()".to_string()))] }), ("wraps_result".to_string(), FieldValue::Literal(LiteralBits::Bool(true))), ("placeholder_convention".to_string(), FieldValue::Variant { constructor: DeclarationId(1927), payload: vec![] })])])), refinement: None, nominal_opacity: None, span: SourceSpan::new("src/v3/std/rust_method_template_contracts.dag", 5732, 8453) });
-        declarations.push(Declaration {
-            id: DeclarationId(1141),
-            name: Some("DescentEvidence".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
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-                        label: "AdditionalStep".to_string(),
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-                        ty: DeclarationId(2072),
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-                    Field {
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-            phantom_params: Vec::new(),
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-            value_body: None,
-            refinement: None,
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-                output: DeclarationId(87),
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
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-            name: Some("ProofEdge".to_string()),
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-                    Field {
-                        label: "caller".to_string(),
-                        ty: DeclarationId(227),
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-                    Field {
-                        label: "callee".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "evidence".to_string(),
-                        ty: DeclarationId(2082),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(1159),
-            name: Some("StrictEvidence".to_string()),
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-                    ty: DeclarationId(2083),
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-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/termination.dag", 8716, 8746),
-        });
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-            id: DeclarationId(1160),
-            name: Some("NonStrictEvidence".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NonIncreasing".to_string(),
-                        ty: DeclarationId(2084),
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-                    Field {
-                        label: "DescentUnknown".to_string(),
-                        ty: DeclarationId(2085),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            id: DeclarationId(1161),
-            name: Some("DescentResidual".to_string()),
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-                        ty: DeclarationId(2086),
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-                    Field {
-                        label: "EvidenceIncomplete".to_string(),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("DescentExecutionProof".to_string()),
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-                    Field {
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
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-            specialization_parent: None,
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-            id: DeclarationId(1164),
-            name: Some("RecursionShape".to_string()),
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-                        ty: DeclarationId(2102),
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-            phantom_params: Vec::new(),
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-            id: DeclarationId(1165),
-            name: Some("InductiveField".to_string()),
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-                        label: "type_name".to_string(),
-                        ty: DeclarationId(227),
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-                    Field {
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-                    Field {
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-                    Field {
-                        label: "shape".to_string(),
-                        ty: DeclarationId(1164),
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-                    Field {
-                        label: "element_type".to_string(),
-                        ty: DeclarationId(227),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            id: DeclarationId(1166),
-            name: Some("recursion_shape_eq".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1164), DeclarationId(1164)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/induction.dag", 7662, 8034)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1167),
-            name: Some("inductive_field_eq".to_string()),
-            connective: TypeConnective::Arrow {
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-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/induction.dag", 8104, 8302)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/induction.dag", 8036, 8302),
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-            id: DeclarationId(1168),
-            name: Some("inductive_field_to_dimension".to_string()),
-            connective: TypeConnective::Arrow {
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-                output: DeclarationId(1148),
-                body: ArrowBody::Unparsed(SourceSpan::new("src/v3/std/induction.dag", 8768, 8799)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            name: Some("SubValueRelation".to_string()),
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-                        ty: DeclarationId(2107),
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-                        ty: DeclarationId(2108),
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-                        ty: DeclarationId(2109),
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-                    Field {
-                        label: "PreservedValue".to_string(),
-                        ty: DeclarationId(2110),
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-                        label: "subject_node".to_string(),
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-        });
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-            phantom_params: Vec::new(),
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-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 7749, 7849),
-        });
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-        });
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-            id: DeclarationId(1241),
-            name: Some("TimingEnforcementProjected".to_string()),
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-                        label: "TimedUsage".to_string(),
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-                    Field {
-                        label: "NonEvidenceUsage".to_string(),
-                        ty: DeclarationId(2228),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            refinement: None,
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-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 9193, 9281),
-        });
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-            id: DeclarationId(1242),
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-                template: DeclarationId(1097),
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-                    parameter: DeclarationId(1098),
-                    value: DeclarationId(1234),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 9537, 9578),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1243),
-            name: Some("timing_measurement_unobserved".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1234),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(689))),
-            },
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-        });
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-            id: DeclarationId(1244),
-            name: Some("timing_measurement_lens_combine".to_string()),
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-        });
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-            id: DeclarationId(1245),
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-            connective: TypeConnective::Arrow {
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-                output: DeclarationId(1234),
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-            id: DeclarationId(1246),
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-                output: DeclarationId(1233),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(727))),
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-        });
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-            id: DeclarationId(1247),
-            name: Some("timing_sequential_identity".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1234),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(730))),
-            },
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-        });
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-            id: DeclarationId(1248),
-            name: Some("timing_branch_op".to_string()),
-            connective: TypeConnective::Arrow {
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-                output: DeclarationId(1234),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(733))),
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-            phantom_params: Vec::new(),
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-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 11126, 11259),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1249),
-            name: Some("timing_lens_correction_retirement_plan".to_string()),
-            connective: TypeConnective::Arrow {
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-                output: DeclarationId(1050),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(737))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            refinement: None,
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-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 11798, 12111),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1250),
-            name: Some("timing_lens_deferred_correction".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(1051),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(741))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 12113, 12332),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1251),
-            name: Some("timing_lens_behavior_span".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(838)],
-                output: DeclarationId(155),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(748))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 12515, 12714),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1252),
-            name: Some("timing_lens_scaffold_non_evidence_diagnostic".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(155)],
-                output: DeclarationId(1055),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(753))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 12961, 13180),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1253),
-            name: Some("timing_lens_degenerate_empty_dag_span".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(155),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(758))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 13414, 13548),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1254),
-            name: Some("timing_lens_validate_non_observed".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(227)],
-                output: DeclarationId(1060),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(774))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 14010, 14715),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1255),
-            name: Some("timing_measurement_iterate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1234), DeclarationId(829)],
-                output: DeclarationId(1234),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(783))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 15040, 15401),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1256),
-            name: Some("timing_lens_read".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2221),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(820))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 16178, 17004),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1257),
-            name: Some("timing_lens_validate".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1234)],
-                output: DeclarationId(1060),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(834))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 17006, 17851),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1258),
-            name: Some("timing_enforcement_fault_sentinel_count".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(76),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(836))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 18961, 19035),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1259),
-            name: Some("timing_enforcement_project".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1234)],
-                output: DeclarationId(1241),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(843))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19037, 19289),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1260),
-            name: Some("timing_enforcement_violates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1234), DeclarationId(1240)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(866))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19291, 19556),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1261),
-            name: Some("timing_lens_monoid".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(19),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(20),
-                    value: DeclarationId(1234),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2229)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    ("op".to_string(), FieldValue::Reference(DeclarationId(1245))),
-                    (
-                        "identity".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2222),
-                            payload: vec![FieldValue::Record(vec![(
-                                "count".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            )])],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19558, 19689),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1262),
-            name: Some("timing_lens".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1242),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1242)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("timing".to_string())),
-                    ),
-                    (
-                        "read".to_string(),
-                        FieldValue::Reference(DeclarationId(1256)),
-                    ),
-                    (
-                        "sequential".to_string(),
-                        FieldValue::Reference(DeclarationId(1261)),
-                    ),
-                    (
-                        "branch".to_string(),
-                        FieldValue::Reference(DeclarationId(1248)),
-                    ),
-                    (
-                        "iterate".to_string(),
-                        FieldValue::Reference(DeclarationId(1255)),
-                    ),
-                    (
-                        "validate".to_string(),
-                        FieldValue::Reference(DeclarationId(1257)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19691, 19898),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1263),
-            name: Some("timing_enforcement".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1101),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(1102),
-                        value: DeclarationId(1234),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1103),
-                        value: DeclarationId(1240),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1104),
-                        value: DeclarationId(1241),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2230)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "project".to_string(),
-                        FieldValue::Reference(DeclarationId(1259)),
-                    ),
-                    (
-                        "violates".to_string(),
-                        FieldValue::Reference(DeclarationId(1260)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 19900, 20085),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1264),
-            name: Some("timing_enforceable".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1105),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(1106),
-                        value: DeclarationId(1234),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1107),
-                        value: DeclarationId(1240),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1108),
-                        value: DeclarationId(1241),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2231)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "lens".to_string(),
-                        FieldValue::Reference(DeclarationId(1262)),
-                    ),
-                    (
-                        "enforcement".to_string(),
-                        FieldValue::Reference(DeclarationId(1263)),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/timing_lens.dag", 20087, 20248),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1265),
-            name: Some("modeled_gunbc_ci_workflow".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1400),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1400)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Unparsed(SourceSpan::new(
-                "src/v3/std/t_ci_workflow_as_data_demo.dag",
-                1440,
-                2696,
-            ))),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 1397, 2696),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1266),
-            name: Some("ci_demo_timing_read".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2242),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(908))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 3209, 4468),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1267),
-            name: Some("ci_wad_modeled_workflow_timing_witness".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2243),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(910))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 4762, 4884),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1268),
-            name: Some("_ci_wad_seed_list_declaration_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2244),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(912))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5078, 5147),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1269),
-            name: Some("_ci_wad_seed_list_behavior_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2245),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(914))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5149, 5212),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1270),
-            name: Some("_ci_wad_seed_list_dagport_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2246),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(916))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5214, 5275),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1271),
-            name: Some("_ci_wad_seed_list_cluster_empty".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2247),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(918))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5277, 5338),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1272),
-            name: Some("_ci_wad_empty_list_diagnostic".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2248),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(920))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5340, 5402),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1273),
-            name: Some("_ci_wad_empty_list_witness_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(2250),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(922))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5404, 5482),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1274),
-            name: Some("_ci_wad_witnesses_singleton_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1234)],
-                output: DeclarationId(2252),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(926))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5484, 5645),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1275),
-            name: Some("_ci_wad_violations_singleton".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1055)],
-                output: DeclarationId(2253),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(929))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5647, 5779),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1276),
-            name: Some("_ci_wad_dimension_ok_tm_payload".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1234)],
-                output: DeclarationId(2254),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(933))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 5781, 6005),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1277),
-            name: Some("_ci_wad_dimension_fail_tm_payload".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1234), DeclarationId(1055)],
-                output: DeclarationId(2255),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(938))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6007, 6288),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1278),
-            name: Some("report_dim_ok_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1234)],
-                output: DeclarationId(2256),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(945))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6553, 6792),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1279),
-            name: Some("report_dim_fail_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1234), DeclarationId(1055)],
-                output: DeclarationId(2257),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(952))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 6794, 7069),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1280),
-            name: Some("report_inhabits_branch_tm".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(1234), DeclarationId(1060)],
-                output: DeclarationId(2258),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(957))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7071, 7322),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1281),
-            name: Some("dimension_report_tm_from_witness".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(2259)],
-                output: DeclarationId(2260),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(978))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 7324, 8325),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1282),
-            name: Some("demo_ci_modeled_timing_dimension_report".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839), DeclarationId(838)],
-                output: DeclarationId(2261),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(986))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 9186, 9487),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1283),
-            name: Some("gate_58_ci_workflow_timing_row".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "workflow".to_string(),
-                        ty: DeclarationId(1400),
-                    },
-                    Field {
-                        label: "measurement".to_string(),
-                        ty: DeclarationId(1234),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 10675, 10768),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1284),
-            name: Some("gate_58_modeled_ci_timing_measurement".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1283),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1283)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "workflow".to_string(),
-                        FieldValue::Reference(DeclarationId(1265)),
-                    ),
-                    (
-                        "measurement".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2222),
-                            payload: vec![FieldValue::Record(vec![(
-                                "count".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            )])],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 10770, 10939),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1285),
-            name: Some("gate_58_apply_lens_self_application_pass".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1109),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(1110),
-                        value: DeclarationId(1234),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1111),
-                        value: DeclarationId(1240),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(1112),
-                        value: DeclarationId(1241),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2262)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "enforceable_lens".to_string(),
-                        FieldValue::Reference(DeclarationId(1264)),
-                    ),
-                    (
-                        "section".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2031),
-                            payload: vec![FieldValue::Reference(DeclarationId(1284))],
-                        },
-                    ),
-                    (
-                        "budget".to_string(),
-                        FieldValue::Record(vec![(
-                            "max".to_string(),
-                            FieldValue::Record(vec![(
-                                "count".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("1000000000".to_string())),
-                            )]),
-                        )]),
-                    ),
-                    (
-                        "diagnostic_severity".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2033),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "span".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "file".to_string(),
-                                FieldValue::Literal(LiteralBits::String(
-                                    "src/v3/std/t_ci_workflow_as_data_demo.dag".to_string(),
-                                )),
-                            ),
-                            (
-                                "start".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "end".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                        ]),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/t_ci_workflow_as_data_demo.dag", 11199, 11604),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1286),
-            name: Some("Path".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(154),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 1402, 1422),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1287),
-            name: Some("SnapshotRef".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(147),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 1423, 1453),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1288),
-            name: Some("GeneratedManifestEntry".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "PendingFact".to_string(),
-                        ty: DeclarationId(2287),
-                    },
-                    Field {
-                        label: "ResolvedFact".to_string(),
-                        ty: DeclarationId(2288),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 2584, 2762),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1289),
-            name: Some("CensusListConstant".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 2969, 2995),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1290),
-            name: Some("expected_hand_authored_non_test".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1289),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1289)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 2997, 3058),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1291),
-            name: Some("expected_hand_authored_test".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1289),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1289)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3059, 3116),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1292),
-            name: Some("expected_hand_authored_fragments".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1289),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1289)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3117, 3179),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1293),
-            name: Some("LensProducerFilesSubsetPredicate".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3311, 3351),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1294),
-            name: Some("lens_producer_files_subset_predicate".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1293),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1293)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3353, 3433),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1295),
-            name: Some("BinShimFilesSubsetPredicate".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3540, 3575),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1296),
-            name: Some("bin_shim_files_subset_predicate".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1295),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1295)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3577, 3647),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1297),
-            name: Some("CompilerStdPositiveSetRatchet".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3726, 3763),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1298),
-            name: Some("compiler_std_positive_set_ratchet".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1297),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1297)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural { fields: vec![] }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 3765, 3839),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1299),
-            name: Some("DiagnosticKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "TokenizerError".to_string(),
-                        ty: DeclarationId(2289),
-                    },
-                    Field {
-                        label: "ParseError".to_string(),
-                        ty: DeclarationId(2290),
-                    },
-                    Field {
-                        label: "TypeMismatch".to_string(),
-                        ty: DeclarationId(2291),
-                    },
-                    Field {
-                        label: "ArityMismatch".to_string(),
-                        ty: DeclarationId(2292),
-                    },
-                    Field {
-                        label: "ResolveError".to_string(),
-                        ty: DeclarationId(2293),
-                    },
-                    Field {
-                        label: "UnitMismatch".to_string(),
-                        ty: DeclarationId(2294),
-                    },
-                    Field {
-                        label: "BranchConditionNotBool".to_string(),
-                        ty: DeclarationId(2295),
-                    },
-                    Field {
-                        label: "MagnitudeOutOfRange".to_string(),
-                        ty: DeclarationId(2296),
-                    },
-                    Field {
-                        label: "MalformedIntegerRangeFact".to_string(),
-                        ty: DeclarationId(2297),
-                    },
-                    Field {
-                        label: "NominalOpacityViolation".to_string(),
-                        ty: DeclarationId(2298),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 4174, 4405),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1300),
-            name: Some("DiagnosticDetailExpectation".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "AnyDetail".to_string(),
-                        ty: DeclarationId(2299),
-                    },
-                    Field {
-                        label: "Contains".to_string(),
-                        ty: DeclarationId(2300),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 4774, 4841),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1301),
-            name: Some("DiagnosticReference".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(1299),
-                    },
-                    Field {
-                        label: "detail_contains".to_string(),
-                        ty: DeclarationId(1300),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 4985, 5083),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1302),
-            name: Some("PortStateExpectation".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Resolved".to_string(),
-                        ty: DeclarationId(2301),
-                    },
-                    Field {
-                        label: "Unresolved".to_string(),
-                        ty: DeclarationId(2302),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 5470, 5523),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1303),
-            name: Some("PerfBudgetComparisonOp".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "AtMostBudget".to_string(),
-                    ty: DeclarationId(2303),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 5716, 5760),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1304),
-            name: Some("AlgebraicLawKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Associativity".to_string(),
-                        ty: DeclarationId(2304),
-                    },
-                    Field {
-                        label: "Commutativity".to_string(),
-                        ty: DeclarationId(2305),
-                    },
-                    Field {
-                        label: "Identity".to_string(),
-                        ty: DeclarationId(2306),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 6549, 6619),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1305),
-            name: Some("ProgramGenerator".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "generator".to_string(),
-                    ty: DeclarationId(1337),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 6856, 6909),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1306),
-            name: Some("ProgramShape".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "LiteralProgram".to_string(),
-                    ty: DeclarationId(2307),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7142, 7231),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1307),
-            name: Some("SymbolicCostBindParamExpected".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "LinearCostForBindParam".to_string(),
-                    ty: DeclarationId(2308),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7233, 7325),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1308),
-            name: Some("BindParamSizeVariable".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "SelectedBindParamSizeVariable".to_string(),
-                    ty: DeclarationId(2309),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7327, 7387),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1309),
-            name: Some("BindParamRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "index".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7389, 7423),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1310),
-            name: Some("LensCapabilityStructuralStatus".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LensCapabilityStructuralTerminal".to_string(),
-                        ty: DeclarationId(2310),
-                    },
-                    Field {
-                        label: "LensCapabilityStructuralPartial".to_string(),
-                        ty: DeclarationId(2311),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 7949, 8057),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1311),
-            name: Some("LensCapabilityBehavioralStatus".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LensCapabilityBehavioralComplete".to_string(),
-                        ty: DeclarationId(2312),
-                    },
-                    Field {
-                        label: "LensCapabilityBehavioralPartial".to_string(),
-                        ty: DeclarationId(2313),
-                    },
-                    Field {
-                        label: "LensCapabilityBehavioralStub".to_string(),
-                        ty: DeclarationId(2314),
-                    },
-                    Field {
-                        label: "LensCapabilityBehavioralNA".to_string(),
-                        ty: DeclarationId(2315),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8059, 8231),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1312),
-            name: Some("LensCapabilityV2Counterpart".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "LensCapabilityV2RealV2".to_string(),
-                        ty: DeclarationId(2316),
-                    },
-                    Field {
-                        label: "LensCapabilityV2NoneV3Native".to_string(),
-                        ty: DeclarationId(2317),
-                    },
-                    Field {
-                        label: "LensCapabilityV2NotApplicable".to_string(),
-                        ty: DeclarationId(2318),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8233, 8359),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1313),
-            name: Some("LensCapabilityRegisterRow".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "lens_basename".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "structural".to_string(),
-                        ty: DeclarationId(1310),
-                    },
-                    Field {
-                        label: "behavioral".to_string(),
-                        ty: DeclarationId(1311),
-                    },
-                    Field {
-                        label: "v2_counterpart".to_string(),
-                        ty: DeclarationId(1312),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8361, 8555),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1314),
-            name: Some("lens_capability_register_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(699),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1313),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(2358)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("complexity.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2316),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("cost.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2316),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "cost_target_realization.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2315),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "effect_enumeration.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("idempotency.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("parallelism.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("provenance.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "unused_parameters.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("variant_payload.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "structural_resolution.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2312),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2317),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("infer_helpers.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2311),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2315),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2318),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String("lower_helpers.dag".to_string())),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2311),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2315),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2318),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "lens_basename".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "named_function_count.dag".to_string(),
-                        )),
-                    ),
-                    (
-                        "structural".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2310),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "behavioral".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2315),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "v2_counterpart".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2318),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 8557, 11146),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1315),
-            name: Some("TestPredicate".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Compiles".to_string(),
-                        ty: DeclarationId(2319),
-                    },
-                    Field {
-                        label: "FailsWithDiagnostic".to_string(),
-                        ty: DeclarationId(2320),
-                    },
-                    Field {
-                        label: "OutputEquals".to_string(),
-                        ty: DeclarationId(2321),
-                    },
-                    Field {
-                        label: "PortHasState".to_string(),
-                        ty: DeclarationId(2322),
-                    },
-                    Field {
-                        label: "DeclarationHasRefinement".to_string(),
-                        ty: DeclarationId(2323),
-                    },
-                    Field {
-                        label: "CostBounded".to_string(),
-                        ty: DeclarationId(2324),
-                    },
-                    Field {
-                        label: "BehavioralObservation".to_string(),
-                        ty: DeclarationId(2325),
-                    },
-                    Field {
-                        label: "MockBackedInvariant".to_string(),
-                        ty: DeclarationId(2326),
-                    },
-                    Field {
-                        label: "ExecuteCommand".to_string(),
-                        ty: DeclarationId(2328),
-                    },
-                    Field {
-                        label: "ForAllTargets".to_string(),
-                        ty: DeclarationId(2330),
-                    },
-                    Field {
-                        label: "LensOutputEquals".to_string(),
-                        ty: DeclarationId(2331),
-                    },
-                    Field {
-                        label: "DifferentialEquals".to_string(),
-                        ty: DeclarationId(2332),
-                    },
-                    Field {
-                        label: "SymbolicCostExprEquals".to_string(),
-                        ty: DeclarationId(2333),
-                    },
-                    Field {
-                        label: "SymbolicCostExprEqualsForBindParam".to_string(),
-                        ty: DeclarationId(2334),
-                    },
-                    Field {
-                        label: "PerfWithinBaseline".to_string(),
-                        ty: DeclarationId(2335),
-                    },
-                    Field {
-                        label: "BinaryDimensionReportEquals".to_string(),
-                        ty: DeclarationId(2336),
-                    },
-                    Field {
-                        label: "AlgebraicLaw".to_string(),
-                        ty: DeclarationId(2337),
-                    },
-                    Field {
-                        label: "CensusBoundCheck".to_string(),
-                        ty: DeclarationId(2338),
-                    },
-                    Field {
-                        label: "CensusSubsetCount".to_string(),
-                        ty: DeclarationId(2339),
-                    },
-                    Field {
-                        label: "FixedPointConverges".to_string(),
-                        ty: DeclarationId(2340),
-                    },
-                    Field {
-                        label: "RatchetZero".to_string(),
-                        ty: DeclarationId(2341),
-                    },
-                    Field {
-                        label: "GeneratedFromDag".to_string(),
-                        ty: DeclarationId(2343),
-                    },
-                    Field {
-                        label: "CementingDispatchMatchesProjection".to_string(),
-                        ty: DeclarationId(2344),
-                    },
-                    Field {
-                        label: "ReleaseDeferredClaim".to_string(),
-                        ty: DeclarationId(2345),
-                    },
-                    Field {
-                        label: "SubstrateResearchDeferredClaim".to_string(),
-                        ty: DeclarationId(2346),
-                    },
-                    Field {
-                        label: "BridgeLedgerZero".to_string(),
-                        ty: DeclarationId(2347),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 11148, 25196),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1316),
-            name: Some("ProgramInput".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 25304, 25324),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1317),
-            name: Some("ProgramOutputBind".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "output_ref".to_string(),
-                    ty: DeclarationId(1337),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 25467, 25522),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1318),
-            name: Some("TestClaim".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "source".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "file_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "predicate".to_string(),
-                        ty: DeclarationId(1315),
-                    },
-                    Field {
-                        label: "requires".to_string(),
-                        ty: DeclarationId(2348),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 26132, 26265),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1319),
-            name: Some("Quantifier".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ForAll".to_string(),
-                        ty: DeclarationId(2349),
-                    },
-                    Field {
-                        label: "Exists".to_string(),
-                        ty: DeclarationId(2350),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 26446, 26483),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1320),
-            name: Some("QuantifiedTestClaim".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "generator".to_string(),
-                        ty: DeclarationId(1305),
-                    },
-                    Field {
-                        label: "quantifier".to_string(),
-                        ty: DeclarationId(1319),
-                    },
-                    Field {
-                        label: "predicate".to_string(),
-                        ty: DeclarationId(1315),
-                    },
-                    Field {
-                        label: "requires".to_string(),
-                        ty: DeclarationId(2351),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 26485, 26646),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1321),
-            name: Some("TestNodeRef".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "EnumeratedTestNode".to_string(),
-                        ty: DeclarationId(2352),
-                    },
-                    Field {
-                        label: "QuantifiedTestNode".to_string(),
-                        ty: DeclarationId(2353),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 28627, 28721),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1322),
-            name: Some("TestNodeCostDimension".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "node".to_string(),
-                        ty: DeclarationId(1321),
-                    },
-                    Field {
-                        label: "budget".to_string(),
-                        ty: DeclarationId(1240),
-                    },
-                    Field {
-                        label: "measured".to_string(),
-                        ty: DeclarationId(1234),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 28723, 28826),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1323),
-            name: Some("SuiteClaim".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Enumerated".to_string(),
-                        ty: DeclarationId(2354),
-                    },
-                    Field {
-                        label: "Quantified".to_string(),
-                        ty: DeclarationId(2355),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 29559, 29636),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1324),
-            name: Some("TestSuite".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "claims".to_string(),
-                        ty: DeclarationId(2356),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 29638, 29698),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1325),
-            name: Some("TestObligation".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "claim_name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "resources".to_string(),
-                        ty: DeclarationId(2357),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 29896, 29977),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1326),
-            name: Some("claim_obligation_resources".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1318)],
-                output: DeclarationId(2284),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    30419,
-                    30435,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 30348, 30435),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1327),
-            name: Some("obligation_for_claim".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1318)],
-                output: DeclarationId(1325),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    30493,
-                    30578,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 30437, 30578),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1328),
-            name: Some("obligation_for_quantified_claim".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1320)],
-                output: DeclarationId(1325),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    30885,
-                    30951,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 30808, 30951),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1329),
-            name: Some("obligation_for_suite_claim".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(1323)],
-                output: DeclarationId(1325),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(990))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 31256, 31445),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1330),
-            name: Some("materialize_test_obligations".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(2285)],
-                output: DeclarationId(2286),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "src/v3/std/verification.dag",
-                    31529,
-                    31574,
-                )),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/verification.dag", 31447, 31574),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1331),
-            name: Some("ValueBehavior".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2935, 2956),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1332),
-            name: Some("Transform".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2957, 2974),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1333),
-            name: Some("Branch".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2975, 2989),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1334),
-            name: Some("Loop".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 2990, 3002),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1335),
-            name: Some("Bind".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 3003, 3015),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1336),
-            name: Some("Main".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 3016, 3028),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1337),
-            name: Some("DeclarationRef".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/spec/v3_l1.dag", 3761, 3783),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1338),
-            name: Some("CompilerHostRealization".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "symbol".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 453, 502),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1339),
-            name: Some("PipelineSnapshotKind".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "SnapshotSurface".to_string(),
-                        ty: DeclarationId(2359),
-                    },
-                    Field {
-                        label: "SnapshotDag".to_string(),
-                        ty: DeclarationId(2360),
-                    },
-                    Field {
-                        label: "SnapshotText".to_string(),
-                        ty: DeclarationId(2361),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 504, 576),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1340),
-            name: Some("PipelineStageBinding".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "stage".to_string(),
-                        ty: DeclarationId(1337),
-                    },
-                    Field {
-                        label: "realization".to_string(),
-                        ty: DeclarationId(1337),
-                    },
-                    Field {
-                        label: "snapshot".to_string(),
-                        ty: DeclarationId(1339),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 578, 694),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1341),
-            name: Some("parse_realization".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "symbol".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1338)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "symbol".to_string(),
-                    FieldValue::Literal(LiteralBits::String("v3_compiler::parse".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 696, 780),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1342),
-            name: Some("lower_realization".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "symbol".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1338)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "symbol".to_string(),
-                    FieldValue::Literal(LiteralBits::String("v3_compiler::lower".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 782, 866),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1343),
-            name: Some("infer_realization".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "symbol".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1338)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "symbol".to_string(),
-                    FieldValue::Literal(LiteralBits::String("v3_compiler::infer".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 868, 952),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1344),
-            name: Some("compute_ownership_realization".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "symbol".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1338)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "symbol".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "v3_compiler::compute_ownership".to_string(),
-                    )),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 954, 1062),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1345),
-            name: Some("emit_realization".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "symbol".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1338)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "symbol".to_string(),
-                    FieldValue::Literal(LiteralBits::String("v3_compiler::emit".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1064, 1146),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1346),
-            name: Some("lens_complexity_realization".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "symbol".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1338)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "symbol".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "v3_compiler::lens_complexity".to_string(),
-                    )),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1148, 1252),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1347),
-            name: Some("parse_stage_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1340),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1340)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "stage".to_string(),
-                        FieldValue::Reference(DeclarationId(1353)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1341)),
-                    ),
-                    (
-                        "snapshot".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2359),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1254, 1382),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1348),
-            name: Some("lower_stage_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1340),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1340)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "stage".to_string(),
-                        FieldValue::Reference(DeclarationId(1354)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1342)),
-                    ),
-                    (
-                        "snapshot".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2360),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1384, 1508),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1349),
-            name: Some("infer_stage_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1340),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1340)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "stage".to_string(),
-                        FieldValue::Reference(DeclarationId(1355)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1343)),
-                    ),
-                    (
-                        "snapshot".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2360),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1510, 1634),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1350),
-            name: Some("compute_ownership_stage_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1340),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1340)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "stage".to_string(),
-                        FieldValue::Reference(DeclarationId(1356)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1344)),
-                    ),
-                    (
-                        "snapshot".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2360),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1636, 1796),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1351),
-            name: Some("lens_complexity_stage_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1340),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1340)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "stage".to_string(),
-                        FieldValue::Reference(DeclarationId(1357)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1346)),
-                    ),
-                    (
-                        "snapshot".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2360),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1798, 1952),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1352),
-            name: Some("emit_stage_binding".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1340),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(1340)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "stage".to_string(),
-                        FieldValue::Reference(DeclarationId(1358)),
-                    ),
-                    (
-                        "realization".to_string(),
-                        FieldValue::Reference(DeclarationId(1345)),
-                    ),
-                    (
-                        "snapshot".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(2361),
-                            payload: vec![],
-                        },
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 1954, 2076),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1353),
-            name: Some("parse".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(227)],
-                output: DeclarationId(839),
-                body: ArrowBody::ExternalRealization(DeclarationId(1341)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 2078, 2140),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(1354),
-            name: Some("lower".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(839)],
-                output: DeclarationId(839),
-                body: ArrowBody::ExternalRealization(DeclarationId(1342)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/compiler/pipeline.dag", 2142, 2184),
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-            inhabits: None,
-            value_body: Some(ValueBody::Scalar(LiteralBits::String(
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-            name: Some("default_per_page".to_string()),
-            connective: TypeConnective::Instantiation {
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(87),
-                arguments: vec![],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-        });
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-                    Field {
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-                        ty: DeclarationId(147),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 1099, 1202),
-        });
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-            name: Some("github_actions_runtime".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(1398),
-                arguments: vec![],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-                        FieldValue::Literal(LiteralBits::String(
-                            "ACTIONS_ID_TOKEN_REQUEST_URL".to_string(),
-                        )),
-                    ),
-                    (
-                        "oidc_request_token_env".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "ACTIONS_ID_TOKEN_REQUEST_TOKEN".to_string(),
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-                        label: "env".to_string(),
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-                        ty: DeclarationId(2406),
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 1773, 2037),
-        });
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-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "contents".to_string(),
-                        ty: DeclarationId(1402),
-                    },
-                    Field {
-                        label: "pull_requests".to_string(),
-                        ty: DeclarationId(1402),
-                    },
-                    Field {
-                        label: "issues".to_string(),
-                        ty: DeclarationId(1402),
-                    },
-                    Field {
-                        label: "actions".to_string(),
-                        ty: DeclarationId(1402),
-                    },
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-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2039, 2181),
-        });
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-            name: Some("PermissionLevel".to_string()),
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-                        label: "PermRead".to_string(),
-                        ty: DeclarationId(2407),
-                    },
-                    Field {
-                        label: "PermWrite".to_string(),
-                        ty: DeclarationId(2408),
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-                    Field {
-                        label: "PermNone".to_string(),
-                        ty: DeclarationId(2409),
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-                ],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2183, 2237),
-        });
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-                        label: "Push".to_string(),
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-                    Field {
-                        label: "PullRequest".to_string(),
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-                        label: "Schedule".to_string(),
-                        ty: DeclarationId(2416),
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-                    Field {
-                        label: "WorkflowDispatch".to_string(),
-                        ty: DeclarationId(2418),
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-                    Field {
-                        label: "WorkflowCall".to_string(),
-                        ty: DeclarationId(2420),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2353, 2645),
-        });
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-            name: Some("PullRequestActivity".to_string()),
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-                        label: "Opened".to_string(),
-                        ty: DeclarationId(2421),
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-                    Field {
-                        label: "Synchronize".to_string(),
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-                    Field {
-                        label: "ReadyForReview".to_string(),
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-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2647, 2741),
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-                    Field {
-                        label: "description".to_string(),
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-                        label: "required".to_string(),
-                        ty: DeclarationId(124),
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-                    Field {
-                        label: "default".to_string(),
-                        ty: DeclarationId(2427),
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-                        label: "type".to_string(),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2743, 2865),
-        });
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-            name: Some("DispatchInputType".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "InputString".to_string(),
-                        ty: DeclarationId(2428),
-                    },
-                    Field {
-                        label: "InputBoolean".to_string(),
-                        ty: DeclarationId(2429),
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-                    Field {
-                        label: "InputChoice".to_string(),
-                        ty: DeclarationId(2430),
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-                    Field {
-                        label: "InputEnvironment".to_string(),
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-                    },
-                ],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 2867, 2951),
-        });
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-            id: DeclarationId(1407),
-            name: Some("SecretScope".to_string()),
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-                variants: vec![
-                    Field {
-                        label: "StepScope".to_string(),
-                        ty: DeclarationId(2432),
-                    },
-                    Field {
-                        label: "JobScope".to_string(),
-                        ty: DeclarationId(2433),
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-                    Field {
-                        label: "WorkflowScope".to_string(),
-                        ty: DeclarationId(2434),
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-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 5054, 5109),
-        });
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-            id: DeclarationId(1408),
-            name: Some("WorkflowSecret".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
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-                    Field {
-                        label: "scope".to_string(),
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-                ],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 5384, 5447),
-        });
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-            name: Some("Job".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "id".to_string(),
-                        ty: DeclarationId(227),
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-                    Field {
-                        label: "name".to_string(),
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-                    Field {
-                        label: "runner".to_string(),
-                        ty: DeclarationId(1413),
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-                    Field {
-                        label: "steps".to_string(),
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-                    },
-                    Field {
-                        label: "needs".to_string(),
-                        ty: DeclarationId(2437),
-                    },
-                    Field {
-                        label: "env".to_string(),
-                        ty: DeclarationId(2439),
-                    },
-                    Field {
-                        label: "outputs".to_string(),
-                        ty: DeclarationId(2441),
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-                    Field {
-                        label: "if_condition".to_string(),
-                        ty: DeclarationId(2442),
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-                    Field {
-                        label: "strategy".to_string(),
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-                    Field {
-                        label: "timeout_minutes".to_string(),
-                        ty: DeclarationId(2444),
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-                    Field {
-                        label: "continue_on_error".to_string(),
-                        ty: DeclarationId(124),
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-                    Field {
-                        label: "concurrency".to_string(),
-                        ty: DeclarationId(2445),
-                    },
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 5591, 6060),
-        });
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-            name: Some("CancelInProgressSpec".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "CancelInProgressBool".to_string(),
-                        ty: DeclarationId(2446),
-                    },
-                    Field {
-                        label: "CancelInProgressExpression".to_string(),
-                        ty: DeclarationId(2447),
-                    },
-                ],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 6878, 6998),
-        });
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-            name: Some("CancelInProgressWhenQueueMax".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "QueueMaxCancelInProgressFalse".to_string(),
-                        ty: DeclarationId(2448),
-                    },
-                    Field {
-                        label: "QueueMaxCancelInProgressExpression".to_string(),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 7806, 7935),
-        });
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-            id: DeclarationId(1412),
-            name: Some("ConcurrencySpec".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
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-                        label: "ConcurrencyScalar".to_string(),
-                        ty: DeclarationId(2450),
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-                    Field {
-                        label: "ConcurrencyMappingQueueMax".to_string(),
-                        ty: DeclarationId(2452),
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-                    Field {
-                        label: "ConcurrencyMappingQueueNotMax".to_string(),
-                        ty: DeclarationId(2455),
-                    },
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 8488, 9134),
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-            name: Some("RunnerSpec".to_string()),
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-                        ty: DeclarationId(2456),
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-                    Field {
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10306, 10529),
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-            name: Some("RunnerLabel".to_string()),
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-                    Field {
-                        label: "UbuntuLatest".to_string(),
-                        ty: DeclarationId(2460),
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-                    Field {
-                        label: "Ubuntu2404".to_string(),
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-                    Field {
-                        label: "Ubuntu2204".to_string(),
-                        ty: DeclarationId(2462),
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-                    Field {
-                        label: "MacosLatest".to_string(),
-                        ty: DeclarationId(2463),
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-                    Field {
-                        label: "Macos14".to_string(),
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-                        label: "WindowsLatest".to_string(),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
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-            nominal_opacity: None,
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-            name: Some("Step".to_string()),
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-                    Field {
-                        label: "UsesStep".to_string(),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10785, 11380),
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-            id: DeclarationId(1416),
-            name: Some("ShellType".to_string()),
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-                variants: vec![
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-                        label: "Bash".to_string(),
-                        ty: DeclarationId(2483),
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-                    Field {
-                        label: "Sh".to_string(),
-                        ty: DeclarationId(2484),
-                    },
-                    Field {
-                        label: "Pwsh".to_string(),
-                        ty: DeclarationId(2485),
-                    },
-                    Field {
-                        label: "Python".to_string(),
-                        ty: DeclarationId(2486),
-                    },
-                    Field {
-                        label: "Cmd".to_string(),
-                        ty: DeclarationId(2487),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11382, 11430),
-        });
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-            id: DeclarationId(1417),
-            name: Some("ActionRef".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "owner".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "repo".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "ref".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11432, 11495),
-        });
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-            id: DeclarationId(1418),
-            name: Some("LogAnnotation".to_string()),
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-                variants: vec![
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-                        ty: DeclarationId(2491),
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-                    Field {
-                        label: "AnnotationWarning".to_string(),
-                        ty: DeclarationId(2495),
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-                    Field {
-                        label: "AnnotationNotice".to_string(),
-                        ty: DeclarationId(2499),
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-                    Field {
-                        label: "AnnotationGroup".to_string(),
-                        ty: DeclarationId(2500),
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-                    Field {
-                        label: "AnnotationEndGroup".to_string(),
-                        ty: DeclarationId(2501),
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-                    Field {
-                        label: "SetOutput".to_string(),
-                        ty: DeclarationId(2502),
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-                    Field {
-                        label: "AddMask".to_string(),
-                        ty: DeclarationId(2503),
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-                    Field {
-                        label: "StopCommands".to_string(),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11729, 12156),
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-            name: Some("annotation_error_prefix".to_string()),
-            connective: TypeConnective::Instantiation {
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-                arguments: vec![],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(227)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Scalar(LiteralBits::String(
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-                CardinalityPayload::new_unchecked_bypassing_idempotence(
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-        });
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-                template: DeclarationId(699),
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-                    parameter: DeclarationId(700),
-                    value: DeclarationId(737),
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-            value_body: None,
-            refinement: None,
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-        });
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-            name: None,
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-            meta_tag: None,
-            specialization_parent: None,
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-            value_body: None,
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-        });
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-            meta_tag: None,
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-            inhabits: None,
-            value_body: None,
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-            nominal_opacity: None,
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-        });
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-            name: None,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            name: None,
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-            meta_tag: None,
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        });
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-            name: None,
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-        });
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-                CardinalityPayload::new_unchecked_bypassing_idempotence(
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-            name: None,
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-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(700),
-                    value: DeclarationId(1046),
-                }],
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-            id: DeclarationId(1969),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            nominal_opacity: None,
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-        });
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-            id: DeclarationId(1970),
-            name: None,
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-            type_params: vec![],
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-            meta_tag: None,
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-        });
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-            name: None,
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            name: None,
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-            meta_tag: None,
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-            name: None,
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-            meta_tag: None,
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-        });
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-            name: None,
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-            type_params: vec![],
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-            meta_tag: None,
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-            inhabits: None,
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-            meta_tag: None,
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-        });
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-            id: DeclarationId(1976),
-            name: None,
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-            meta_tag: None,
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-            meta_tag: None,
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-                    ty: DeclarationId(1053),
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-                    ty: DeclarationId(227),
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-            meta_tag: None,
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-            name: None,
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-            id: DeclarationId(2630),
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10950, 10957),
-        });
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10950, 10957),
-        });
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10950, 10957),
-        });
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-            id: DeclarationId(2867),
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-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
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-            type_params: vec![],
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 10979, 10986),
-        });
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-            id: DeclarationId(2868),
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-            meta_tag: None,
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-        });
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-            id: DeclarationId(2870),
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-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11042, 11046),
-        });
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-            id: DeclarationId(2871),
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-            meta_tag: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11042, 11046),
-        });
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11042, 11046),
-        });
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-            id: DeclarationId(2873),
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-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
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-            meta_tag: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11080, 11087),
-        });
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-            id: DeclarationId(2874),
-            name: None,
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-            meta_tag: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11080, 11087),
-        });
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-            id: DeclarationId(2875),
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-                        ty: DeclarationId(2873),
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-                        ty: DeclarationId(2874),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11080, 11087),
-        });
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-            id: DeclarationId(2876),
-            name: None,
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-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11099, 11106),
-        });
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-            id: DeclarationId(2877),
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-            meta_tag: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11099, 11106),
-        });
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11099, 11106),
-        });
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-            id: DeclarationId(2879),
-            name: None,
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-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(2476),
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-            meta_tag: None,
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-            inhabits: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11232, 11252),
-        });
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-            id: DeclarationId(2880),
-            name: None,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11232, 11252),
-        });
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-            id: DeclarationId(2881),
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-                        ty: DeclarationId(2879),
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11232, 11252),
-        });
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-            id: DeclarationId(2882),
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-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(2478),
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-            inhabits: None,
-            value_body: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11265, 11285),
-        });
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-            id: DeclarationId(2883),
-            name: None,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11265, 11285),
-        });
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11265, 11285),
-        });
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-            id: DeclarationId(2885),
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-                    ty: DeclarationId(227),
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11307, 11314),
-        });
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11307, 11314),
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11307, 11314),
-        });
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-            id: DeclarationId(2888),
-            name: None,
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-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
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-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11370, 11374),
-        });
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-            id: DeclarationId(2889),
-            name: None,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11370, 11374),
-        });
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-                        ty: DeclarationId(2888),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11370, 11374),
-        });
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-            id: DeclarationId(2891),
-            name: None,
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-                children: vec![Field {
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-                    ty: DeclarationId(227),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11793, 11800),
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-            id: DeclarationId(2892),
-            name: None,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
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-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11793, 11800),
-        });
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11793, 11800),
-        });
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-            id: DeclarationId(2894),
-            name: None,
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-                children: vec![Field {
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-                    ty: DeclarationId(87),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11808, 11812),
-        });
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-            id: DeclarationId(2895),
-            name: None,
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11808, 11812),
-        });
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-            id: DeclarationId(2896),
-            name: None,
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-                variants: vec![
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-                        ty: DeclarationId(2894),
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-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2895),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11808, 11812),
-        });
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-            id: DeclarationId(2897),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11819, 11823),
-        });
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-            id: DeclarationId(2898),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11819, 11823),
-        });
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-            id: DeclarationId(2899),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2897),
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-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2898),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11819, 11823),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2900),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11873, 11880),
-        });
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-            id: DeclarationId(2901),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11873, 11880),
-        });
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-            id: DeclarationId(2902),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
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-                        label: "Some".to_string(),
-                        ty: DeclarationId(2900),
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-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2901),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11873, 11880),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2903),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11888, 11892),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2904),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11888, 11892),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2905),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2903),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2904),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11888, 11892),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2906),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11899, 11903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2907),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11899, 11903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2908),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2906),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2907),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11899, 11903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2909),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11952, 11959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2910),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11952, 11959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2911),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2909),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2910),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11952, 11959),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2912),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11967, 11971),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2913),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11967, 11971),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2914),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2912),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2913),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11967, 11971),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2915),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11978, 11982),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2916),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11978, 11982),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2917),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2915),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2916),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 11978, 11982),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2918),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 12962, 12966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2919),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 12962, 12966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2920),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2918),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2919),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 12962, 12966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2921),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13045, 13052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2922),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13045, 13052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2923),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2921),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2922),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13045, 13052),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2924),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "_0".to_string(),
-                    ty: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13692, 13696),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2925),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13692, 13696),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(2926),
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Some".to_string(),
-                        ty: DeclarationId(2924),
-                    },
-                    Field {
-                        label: "None".to_string(),
-                        ty: DeclarationId(2925),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/extdeps/github/actions.dag", 13692, 13696),
-        });
-        declarations
-    }
-}
-
-fn bootstrapped_fixture_without_parse_surface_dag_ports() -> HashMap<PortId, Port> {
-    {
-        let mut ports = HashMap::new();
-        ports.insert(
-            PortId(0),
-            Port {
-                id: PortId(0),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(76))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1),
-            Port {
-                id: PortId(1),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(0)),
-            },
-        );
-        ports.insert(
-            PortId(2),
-            Port {
-                id: PortId(2),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1)),
-            },
-        );
-        ports.insert(
-            PortId(3),
-            Port {
-                id: PortId(3),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(4),
-            Port {
-                id: PortId(4),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(3)),
-            },
-        );
-        ports.insert(
-            PortId(5),
-            Port {
-                id: PortId(5),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(4)),
-            },
-        );
-        ports.insert(
-            PortId(6),
-            Port {
-                id: PortId(6),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(5)),
-            },
-        );
-        ports.insert(
-            PortId(7),
-            Port {
-                id: PortId(7),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(6)),
-            },
-        );
-        ports.insert(
-            PortId(8),
-            Port {
-                id: PortId(8),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(7)),
-            },
-        );
-        ports.insert(
-            PortId(9),
-            Port {
-                id: PortId(9),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(8)),
-            },
-        );
-        ports.insert(
-            PortId(10),
-            Port {
-                id: PortId(10),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(9)),
-            },
-        );
-        ports.insert(
-            PortId(11),
-            Port {
-                id: PortId(11),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(10)),
-            },
-        );
-        ports.insert(
-            PortId(12),
-            Port {
-                id: PortId(12),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(11)),
-            },
-        );
-        ports.insert(
-            PortId(13),
-            Port {
-                id: PortId(13),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(12)),
-            },
-        );
-        ports.insert(
-            PortId(14),
-            Port {
-                id: PortId(14),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(13)),
-            },
-        );
-        ports.insert(
-            PortId(15),
-            Port {
-                id: PortId(15),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(14)),
-            },
-        );
-        ports.insert(
-            PortId(16),
-            Port {
-                id: PortId(16),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(15)),
-            },
-        );
-        ports.insert(
-            PortId(17),
-            Port {
-                id: PortId(17),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(16)),
-            },
-        );
-        ports.insert(
-            PortId(18),
-            Port {
-                id: PortId(18),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(17)),
-            },
-        );
-        ports.insert(
-            PortId(19),
-            Port {
-                id: PortId(19),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(18)),
-            },
-        );
-        ports.insert(
-            PortId(20),
-            Port {
-                id: PortId(20),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(19)),
-            },
-        );
-        ports.insert(
-            PortId(21),
-            Port {
-                id: PortId(21),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(22),
-            Port {
-                id: PortId(22),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(21)),
-            },
-        );
-        ports.insert(
-            PortId(23),
-            Port {
-                id: PortId(23),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(22)),
-            },
-        );
-        ports.insert(
-            PortId(24),
-            Port {
-                id: PortId(24),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(23)),
-            },
-        );
-        ports.insert(
-            PortId(25),
-            Port {
-                id: PortId(25),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(24)),
-            },
-        );
-        ports.insert(
-            PortId(26),
-            Port {
-                id: PortId(26),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(25)),
-            },
-        );
-        ports.insert(
-            PortId(27),
-            Port {
-                id: PortId(27),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(28),
-            Port {
-                id: PortId(28),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(27)),
-            },
-        );
-        ports.insert(
-            PortId(29),
-            Port {
-                id: PortId(29),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(28)),
-            },
-        );
-        ports.insert(
-            PortId(30),
-            Port {
-                id: PortId(30),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(29)),
-            },
-        );
-        ports.insert(
-            PortId(31),
-            Port {
-                id: PortId(31),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(30)),
-            },
-        );
-        ports.insert(
-            PortId(32),
-            Port {
-                id: PortId(32),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(31)),
-            },
-        );
-        ports.insert(
-            PortId(33),
-            Port {
-                id: PortId(33),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(34),
-            Port {
-                id: PortId(34),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(33)),
-            },
-        );
-        ports.insert(
-            PortId(35),
-            Port {
-                id: PortId(35),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(34)),
-            },
-        );
-        ports.insert(
-            PortId(36),
-            Port {
-                id: PortId(36),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(35)),
-            },
-        );
-        ports.insert(
-            PortId(37),
-            Port {
-                id: PortId(37),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(36)),
-            },
-        );
-        ports.insert(
-            PortId(38),
-            Port {
-                id: PortId(38),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(37)),
-            },
-        );
-        ports.insert(
-            PortId(39),
-            Port {
-                id: PortId(39),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(40),
-            Port {
-                id: PortId(40),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(39)),
-            },
-        );
-        ports.insert(
-            PortId(41),
-            Port {
-                id: PortId(41),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(40)),
-            },
-        );
-        ports.insert(
-            PortId(42),
-            Port {
-                id: PortId(42),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(41)),
-            },
-        );
-        ports.insert(
-            PortId(43),
-            Port {
-                id: PortId(43),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(42)),
-            },
-        );
-        ports.insert(
-            PortId(44),
-            Port {
-                id: PortId(44),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(43)),
-            },
-        );
-        ports.insert(
-            PortId(45),
-            Port {
-                id: PortId(45),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(46),
-            Port {
-                id: PortId(46),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(45)),
-            },
-        );
-        ports.insert(
-            PortId(47),
-            Port {
-                id: PortId(47),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(46)),
-            },
-        );
-        ports.insert(
-            PortId(48),
-            Port {
-                id: PortId(48),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(47)),
-            },
-        );
-        ports.insert(
-            PortId(49),
-            Port {
-                id: PortId(49),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(48)),
-            },
-        );
-        ports.insert(
-            PortId(50),
-            Port {
-                id: PortId(50),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(49)),
-            },
-        );
-        ports.insert(
-            PortId(51),
-            Port {
-                id: PortId(51),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(52),
-            Port {
-                id: PortId(52),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(51)),
-            },
-        );
-        ports.insert(
-            PortId(53),
-            Port {
-                id: PortId(53),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(52)),
-            },
-        );
-        ports.insert(
-            PortId(54),
-            Port {
-                id: PortId(54),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(55),
-            Port {
-                id: PortId(55),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(54)),
-            },
-        );
-        ports.insert(
-            PortId(56),
-            Port {
-                id: PortId(56),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(55)),
-            },
-        );
-        ports.insert(
-            PortId(57),
-            Port {
-                id: PortId(57),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(58),
-            Port {
-                id: PortId(58),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(57)),
-            },
-        );
-        ports.insert(
-            PortId(59),
-            Port {
-                id: PortId(59),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(58)),
-            },
-        );
-        ports.insert(
-            PortId(60),
-            Port {
-                id: PortId(60),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(59)),
-            },
-        );
-        ports.insert(
-            PortId(61),
-            Port {
-                id: PortId(61),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(60)),
-            },
-        );
-        ports.insert(
-            PortId(62),
-            Port {
-                id: PortId(62),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(61)),
-            },
-        );
-        ports.insert(
-            PortId(63),
-            Port {
-                id: PortId(63),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(62)),
-            },
-        );
-        ports.insert(
-            PortId(64),
-            Port {
-                id: PortId(64),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(63)),
-            },
-        );
-        ports.insert(
-            PortId(65),
-            Port {
-                id: PortId(65),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(64)),
-            },
-        );
-        ports.insert(
-            PortId(66),
-            Port {
-                id: PortId(66),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(67),
-            Port {
-                id: PortId(67),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(66)),
-            },
-        );
-        ports.insert(
-            PortId(68),
-            Port {
-                id: PortId(68),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(67)),
-            },
-        );
-        ports.insert(
-            PortId(69),
-            Port {
-                id: PortId(69),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(68)),
-            },
-        );
-        ports.insert(
-            PortId(70),
-            Port {
-                id: PortId(70),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(69)),
-            },
-        );
-        ports.insert(
-            PortId(71),
-            Port {
-                id: PortId(71),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(70)),
-            },
-        );
-        ports.insert(
-            PortId(72),
-            Port {
-                id: PortId(72),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(71)),
-            },
-        );
-        ports.insert(
-            PortId(73),
-            Port {
-                id: PortId(73),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(72)),
-            },
-        );
-        ports.insert(
-            PortId(74),
-            Port {
-                id: PortId(74),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(73)),
-            },
-        );
-        ports.insert(
-            PortId(75),
-            Port {
-                id: PortId(75),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(76),
-            Port {
-                id: PortId(76),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(75)),
-            },
-        );
-        ports.insert(
-            PortId(77),
-            Port {
-                id: PortId(77),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(76)),
-            },
-        );
-        ports.insert(
-            PortId(78),
-            Port {
-                id: PortId(78),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(77)),
-            },
-        );
-        ports.insert(
-            PortId(79),
-            Port {
-                id: PortId(79),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(78)),
-            },
-        );
-        ports.insert(
-            PortId(80),
-            Port {
-                id: PortId(80),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(79)),
-            },
-        );
-        ports.insert(
-            PortId(81),
-            Port {
-                id: PortId(81),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(82),
-            Port {
-                id: PortId(82),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(81)),
-            },
-        );
-        ports.insert(
-            PortId(83),
-            Port {
-                id: PortId(83),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(82)),
-            },
-        );
-        ports.insert(
-            PortId(84),
-            Port {
-                id: PortId(84),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(83)),
-            },
-        );
-        ports.insert(
-            PortId(85),
-            Port {
-                id: PortId(85),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(84)),
-            },
-        );
-        ports.insert(
-            PortId(86),
-            Port {
-                id: PortId(86),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(85)),
-            },
-        );
-        ports.insert(
-            PortId(87),
-            Port {
-                id: PortId(87),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(88),
-            Port {
-                id: PortId(88),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(87)),
-            },
-        );
-        ports.insert(
-            PortId(89),
-            Port {
-                id: PortId(89),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(88)),
-            },
-        );
-        ports.insert(
-            PortId(90),
-            Port {
-                id: PortId(90),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(89)),
-            },
-        );
-        ports.insert(
-            PortId(91),
-            Port {
-                id: PortId(91),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(90)),
-            },
-        );
-        ports.insert(
-            PortId(92),
-            Port {
-                id: PortId(92),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(91)),
-            },
-        );
-        ports.insert(
-            PortId(93),
-            Port {
-                id: PortId(93),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(94),
-            Port {
-                id: PortId(94),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(93)),
-            },
-        );
-        ports.insert(
-            PortId(95),
-            Port {
-                id: PortId(95),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(94)),
-            },
-        );
-        ports.insert(
-            PortId(96),
-            Port {
-                id: PortId(96),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(95)),
-            },
-        );
-        ports.insert(
-            PortId(97),
-            Port {
-                id: PortId(97),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(96)),
-            },
-        );
-        ports.insert(
-            PortId(98),
-            Port {
-                id: PortId(98),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(97)),
-            },
-        );
-        ports.insert(
-            PortId(99),
-            Port {
-                id: PortId(99),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(100),
-            Port {
-                id: PortId(100),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(99)),
-            },
-        );
-        ports.insert(
-            PortId(101),
-            Port {
-                id: PortId(101),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(100)),
-            },
-        );
-        ports.insert(
-            PortId(102),
-            Port {
-                id: PortId(102),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(101)),
-            },
-        );
-        ports.insert(
-            PortId(103),
-            Port {
-                id: PortId(103),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(102)),
-            },
-        );
-        ports.insert(
-            PortId(104),
-            Port {
-                id: PortId(104),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(103)),
-            },
-        );
-        ports.insert(
-            PortId(105),
-            Port {
-                id: PortId(105),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(106),
-            Port {
-                id: PortId(106),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(105)),
-            },
-        );
-        ports.insert(
-            PortId(107),
-            Port {
-                id: PortId(107),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(106)),
-            },
-        );
-        ports.insert(
-            PortId(108),
-            Port {
-                id: PortId(108),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(107)),
-            },
-        );
-        ports.insert(
-            PortId(109),
-            Port {
-                id: PortId(109),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(108)),
-            },
-        );
-        ports.insert(
-            PortId(110),
-            Port {
-                id: PortId(110),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(109)),
-            },
-        );
-        ports.insert(
-            PortId(111),
-            Port {
-                id: PortId(111),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(112),
-            Port {
-                id: PortId(112),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(111)),
-            },
-        );
-        ports.insert(
-            PortId(113),
-            Port {
-                id: PortId(113),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(112)),
-            },
-        );
-        ports.insert(
-            PortId(114),
-            Port {
-                id: PortId(114),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(113)),
-            },
-        );
-        ports.insert(
-            PortId(115),
-            Port {
-                id: PortId(115),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(114)),
-            },
-        );
-        ports.insert(
-            PortId(116),
-            Port {
-                id: PortId(116),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(115)),
-            },
-        );
-        ports.insert(
-            PortId(117),
-            Port {
-                id: PortId(117),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(118),
-            Port {
-                id: PortId(118),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(117)),
-            },
-        );
-        ports.insert(
-            PortId(119),
-            Port {
-                id: PortId(119),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(118)),
-            },
-        );
-        ports.insert(
-            PortId(120),
-            Port {
-                id: PortId(120),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(119)),
-            },
-        );
-        ports.insert(
-            PortId(121),
-            Port {
-                id: PortId(121),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(120)),
-            },
-        );
-        ports.insert(
-            PortId(122),
-            Port {
-                id: PortId(122),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(121)),
-            },
-        );
-        ports.insert(
-            PortId(123),
-            Port {
-                id: PortId(123),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(124),
-            Port {
-                id: PortId(124),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(123)),
-            },
-        );
-        ports.insert(
-            PortId(125),
-            Port {
-                id: PortId(125),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(124)),
-            },
-        );
-        ports.insert(
-            PortId(126),
-            Port {
-                id: PortId(126),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(125)),
-            },
-        );
-        ports.insert(
-            PortId(127),
-            Port {
-                id: PortId(127),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(126)),
-            },
-        );
-        ports.insert(
-            PortId(128),
-            Port {
-                id: PortId(128),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(127)),
-            },
-        );
-        ports.insert(
-            PortId(129),
-            Port {
-                id: PortId(129),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(130),
-            Port {
-                id: PortId(130),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(129)),
-            },
-        );
-        ports.insert(
-            PortId(131),
-            Port {
-                id: PortId(131),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(130)),
-            },
-        );
-        ports.insert(
-            PortId(132),
-            Port {
-                id: PortId(132),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(131)),
-            },
-        );
-        ports.insert(
-            PortId(133),
-            Port {
-                id: PortId(133),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(132)),
-            },
-        );
-        ports.insert(
-            PortId(134),
-            Port {
-                id: PortId(134),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(133)),
-            },
-        );
-        ports.insert(
-            PortId(135),
-            Port {
-                id: PortId(135),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(136),
-            Port {
-                id: PortId(136),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(135)),
-            },
-        );
-        ports.insert(
-            PortId(137),
-            Port {
-                id: PortId(137),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(136)),
-            },
-        );
-        ports.insert(
-            PortId(138),
-            Port {
-                id: PortId(138),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(137)),
-            },
-        );
-        ports.insert(
-            PortId(139),
-            Port {
-                id: PortId(139),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(138)),
-            },
-        );
-        ports.insert(
-            PortId(140),
-            Port {
-                id: PortId(140),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(139)),
-            },
-        );
-        ports.insert(
-            PortId(141),
-            Port {
-                id: PortId(141),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(142),
-            Port {
-                id: PortId(142),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(141)),
-            },
-        );
-        ports.insert(
-            PortId(143),
-            Port {
-                id: PortId(143),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(142)),
-            },
-        );
-        ports.insert(
-            PortId(144),
-            Port {
-                id: PortId(144),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(143)),
-            },
-        );
-        ports.insert(
-            PortId(145),
-            Port {
-                id: PortId(145),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(144)),
-            },
-        );
-        ports.insert(
-            PortId(146),
-            Port {
-                id: PortId(146),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(145)),
-            },
-        );
-        ports.insert(
-            PortId(147),
-            Port {
-                id: PortId(147),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(148),
-            Port {
-                id: PortId(148),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(147)),
-            },
-        );
-        ports.insert(
-            PortId(149),
-            Port {
-                id: PortId(149),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(148)),
-            },
-        );
-        ports.insert(
-            PortId(150),
-            Port {
-                id: PortId(150),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(149)),
-            },
-        );
-        ports.insert(
-            PortId(151),
-            Port {
-                id: PortId(151),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(150)),
-            },
-        );
-        ports.insert(
-            PortId(152),
-            Port {
-                id: PortId(152),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(151)),
-            },
-        );
-        ports.insert(
-            PortId(153),
-            Port {
-                id: PortId(153),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(154),
-            Port {
-                id: PortId(154),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(153)),
-            },
-        );
-        ports.insert(
-            PortId(155),
-            Port {
-                id: PortId(155),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(154)),
-            },
-        );
-        ports.insert(
-            PortId(156),
-            Port {
-                id: PortId(156),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(155)),
-            },
-        );
-        ports.insert(
-            PortId(157),
-            Port {
-                id: PortId(157),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(156)),
-            },
-        );
-        ports.insert(
-            PortId(158),
-            Port {
-                id: PortId(158),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(157)),
-            },
-        );
-        ports.insert(
-            PortId(159),
-            Port {
-                id: PortId(159),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(154))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(160),
-            Port {
-                id: PortId(160),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(159)),
-            },
-        );
-        ports.insert(
-            PortId(161),
-            Port {
-                id: PortId(161),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(160)),
-            },
-        );
-        ports.insert(
-            PortId(162),
-            Port {
-                id: PortId(162),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(161)),
-            },
-        );
-        ports.insert(
-            PortId(163),
-            Port {
-                id: PortId(163),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(162)),
-            },
-        );
-        ports.insert(
-            PortId(164),
-            Port {
-                id: PortId(164),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(163)),
-            },
-        );
-        ports.insert(
-            PortId(165),
-            Port {
-                id: PortId(165),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(125))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(166),
-            Port {
-                id: PortId(166),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(165)),
-            },
-        );
-        ports.insert(
-            PortId(167),
-            Port {
-                id: PortId(167),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(166)),
-            },
-        );
-        ports.insert(
-            PortId(168),
-            Port {
-                id: PortId(168),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(167)),
-            },
-        );
-        ports.insert(
-            PortId(169),
-            Port {
-                id: PortId(169),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(168)),
-            },
-        );
-        ports.insert(
-            PortId(170),
-            Port {
-                id: PortId(170),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(169)),
-            },
-        );
-        ports.insert(
-            PortId(171),
-            Port {
-                id: PortId(171),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(172),
-            Port {
-                id: PortId(172),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(171)),
-            },
-        );
-        ports.insert(
-            PortId(173),
-            Port {
-                id: PortId(173),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(172)),
-            },
-        );
-        ports.insert(
-            PortId(174),
-            Port {
-                id: PortId(174),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(173)),
-            },
-        );
-        ports.insert(
-            PortId(175),
-            Port {
-                id: PortId(175),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(174)),
-            },
-        );
-        ports.insert(
-            PortId(176),
-            Port {
-                id: PortId(176),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(175)),
-            },
-        );
-        ports.insert(
-            PortId(177),
-            Port {
-                id: PortId(177),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(128))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(178),
-            Port {
-                id: PortId(178),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(228))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(179),
-            Port {
-                id: PortId(179),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(177)),
-            },
-        );
-        ports.insert(
-            PortId(180),
-            Port {
-                id: PortId(180),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(178)),
-            },
-        );
-        ports.insert(
-            PortId(181),
-            Port {
-                id: PortId(181),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(179)),
-            },
-        );
-        ports.insert(
-            PortId(182),
-            Port {
-                id: PortId(182),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(180)),
-            },
-        );
-        ports.insert(
-            PortId(183),
-            Port {
-                id: PortId(183),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(181)),
-            },
-        );
-        ports.insert(
-            PortId(184),
-            Port {
-                id: PortId(184),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(182)),
-            },
-        );
-        ports.insert(
-            PortId(185),
-            Port {
-                id: PortId(185),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(183)),
-            },
-        );
-        ports.insert(
-            PortId(186),
-            Port {
-                id: PortId(186),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(184)),
-            },
-        );
-        ports.insert(
-            PortId(187),
-            Port {
-                id: PortId(187),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(185)),
-            },
-        );
-        ports.insert(
-            PortId(188),
-            Port {
-                id: PortId(188),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(186)),
-            },
-        );
-        ports.insert(
-            PortId(189),
-            Port {
-                id: PortId(189),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(187)),
-            },
-        );
-        ports.insert(
-            PortId(190),
-            Port {
-                id: PortId(190),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(188)),
-            },
-        );
-        ports.insert(
-            PortId(191),
-            Port {
-                id: PortId(191),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(189)),
-            },
-        );
-        ports.insert(
-            PortId(192),
-            Port {
-                id: PortId(192),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(190)),
-            },
-        );
-        ports.insert(
-            PortId(193),
-            Port {
-                id: PortId(193),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(191)),
-            },
-        );
-        ports.insert(
-            PortId(194),
-            Port {
-                id: PortId(194),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(192)),
-            },
-        );
-        ports.insert(
-            PortId(195),
-            Port {
-                id: PortId(195),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(193)),
-            },
-        );
-        ports.insert(
-            PortId(196),
-            Port {
-                id: PortId(196),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(194)),
-            },
-        );
-        ports.insert(
-            PortId(197),
-            Port {
-                id: PortId(197),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(195)),
-            },
-        );
-        ports.insert(
-            PortId(198),
-            Port {
-                id: PortId(198),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(196)),
-            },
-        );
-        ports.insert(
-            PortId(199),
-            Port {
-                id: PortId(199),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(197)),
-            },
-        );
-        ports.insert(
-            PortId(200),
-            Port {
-                id: PortId(200),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(198)),
-            },
-        );
-        ports.insert(
-            PortId(201),
-            Port {
-                id: PortId(201),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(199)),
-            },
-        );
-        ports.insert(
-            PortId(202),
-            Port {
-                id: PortId(202),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(200)),
-            },
-        );
-        ports.insert(
-            PortId(203),
-            Port {
-                id: PortId(203),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(201)),
-            },
-        );
-        ports.insert(
-            PortId(204),
-            Port {
-                id: PortId(204),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(202)),
-            },
-        );
-        ports.insert(
-            PortId(205),
-            Port {
-                id: PortId(205),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(203)),
-            },
-        );
-        ports.insert(
-            PortId(206),
-            Port {
-                id: PortId(206),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(204)),
-            },
-        );
-        ports.insert(
-            PortId(207),
-            Port {
-                id: PortId(207),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(205)),
-            },
-        );
-        ports.insert(
-            PortId(208),
-            Port {
-                id: PortId(208),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(206)),
-            },
-        );
-        ports.insert(
-            PortId(209),
-            Port {
-                id: PortId(209),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(207)),
-            },
-        );
-        ports.insert(
-            PortId(210),
-            Port {
-                id: PortId(210),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(208)),
-            },
-        );
-        ports.insert(
-            PortId(211),
-            Port {
-                id: PortId(211),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(209)),
-            },
-        );
-        ports.insert(
-            PortId(212),
-            Port {
-                id: PortId(212),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(210)),
-            },
-        );
-        ports.insert(
-            PortId(213),
-            Port {
-                id: PortId(213),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(211)),
-            },
-        );
-        ports.insert(
-            PortId(214),
-            Port {
-                id: PortId(214),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(212)),
-            },
-        );
-        ports.insert(
-            PortId(215),
-            Port {
-                id: PortId(215),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(213)),
-            },
-        );
-        ports.insert(
-            PortId(216),
-            Port {
-                id: PortId(216),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(214)),
-            },
-        );
-        ports.insert(
-            PortId(217),
-            Port {
-                id: PortId(217),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(215)),
-            },
-        );
-        ports.insert(
-            PortId(218),
-            Port {
-                id: PortId(218),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(216)),
-            },
-        );
-        ports.insert(
-            PortId(219),
-            Port {
-                id: PortId(219),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(217)),
-            },
-        );
-        ports.insert(
-            PortId(220),
-            Port {
-                id: PortId(220),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(218)),
-            },
-        );
-        ports.insert(
-            PortId(221),
-            Port {
-                id: PortId(221),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(219)),
-            },
-        );
-        ports.insert(
-            PortId(222),
-            Port {
-                id: PortId(222),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(220)),
-            },
-        );
-        ports.insert(
-            PortId(223),
-            Port {
-                id: PortId(223),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(221)),
-            },
-        );
-        ports.insert(
-            PortId(224),
-            Port {
-                id: PortId(224),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(222)),
-            },
-        );
-        ports.insert(
-            PortId(225),
-            Port {
-                id: PortId(225),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(223)),
-            },
-        );
-        ports.insert(
-            PortId(226),
-            Port {
-                id: PortId(226),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(224)),
-            },
-        );
-        ports.insert(
-            PortId(227),
-            Port {
-                id: PortId(227),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(225)),
-            },
-        );
-        ports.insert(
-            PortId(228),
-            Port {
-                id: PortId(228),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(226)),
-            },
-        );
-        ports.insert(
-            PortId(229),
-            Port {
-                id: PortId(229),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(227)),
-            },
-        );
-        ports.insert(
-            PortId(230),
-            Port {
-                id: PortId(230),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(228)),
-            },
-        );
-        ports.insert(
-            PortId(231),
-            Port {
-                id: PortId(231),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(229)),
-            },
-        );
-        ports.insert(
-            PortId(232),
-            Port {
-                id: PortId(232),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(230)),
-            },
-        );
-        ports.insert(
-            PortId(233),
-            Port {
-                id: PortId(233),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(231)),
-            },
-        );
-        ports.insert(
-            PortId(234),
-            Port {
-                id: PortId(234),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(232)),
-            },
-        );
-        ports.insert(
-            PortId(235),
-            Port {
-                id: PortId(235),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(233)),
-            },
-        );
-        ports.insert(
-            PortId(236),
-            Port {
-                id: PortId(236),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(234)),
-            },
-        );
-        ports.insert(
-            PortId(237),
-            Port {
-                id: PortId(237),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(235)),
-            },
-        );
-        ports.insert(
-            PortId(238),
-            Port {
-                id: PortId(238),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(236)),
-            },
-        );
-        ports.insert(
-            PortId(239),
-            Port {
-                id: PortId(239),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(237)),
-            },
-        );
-        ports.insert(
-            PortId(240),
-            Port {
-                id: PortId(240),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(238)),
-            },
-        );
-        ports.insert(
-            PortId(241),
-            Port {
-                id: PortId(241),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(239)),
-            },
-        );
-        ports.insert(
-            PortId(242),
-            Port {
-                id: PortId(242),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(240)),
-            },
-        );
-        ports.insert(
-            PortId(243),
-            Port {
-                id: PortId(243),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(241)),
-            },
-        );
-        ports.insert(
-            PortId(244),
-            Port {
-                id: PortId(244),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(242)),
-            },
-        );
-        ports.insert(
-            PortId(245),
-            Port {
-                id: PortId(245),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(243)),
-            },
-        );
-        ports.insert(
-            PortId(246),
-            Port {
-                id: PortId(246),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(244)),
-            },
-        );
-        ports.insert(
-            PortId(247),
-            Port {
-                id: PortId(247),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(245)),
-            },
-        );
-        ports.insert(
-            PortId(248),
-            Port {
-                id: PortId(248),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(246)),
-            },
-        );
-        ports.insert(
-            PortId(249),
-            Port {
-                id: PortId(249),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(247)),
-            },
-        );
-        ports.insert(
-            PortId(250),
-            Port {
-                id: PortId(250),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(248)),
-            },
-        );
-        ports.insert(
-            PortId(251),
-            Port {
-                id: PortId(251),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(249)),
-            },
-        );
-        ports.insert(
-            PortId(252),
-            Port {
-                id: PortId(252),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(128))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(253),
-            Port {
-                id: PortId(253),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(251)),
-            },
-        );
-        ports.insert(
-            PortId(254),
-            Port {
-                id: PortId(254),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: Some(NodeId(252)),
-            },
-        );
-        ports.insert(
-            PortId(255),
-            Port {
-                id: PortId(255),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(966))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(256),
-            Port {
-                id: PortId(256),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(254)),
-            },
-        );
-        ports.insert(
-            PortId(257),
-            Port {
-                id: PortId(257),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(255)),
-            },
-        );
-        ports.insert(
-            PortId(258),
-            Port {
-                id: PortId(258),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(752))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(259),
-            Port {
-                id: PortId(259),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(257)),
-            },
-        );
-        ports.insert(
-            PortId(260),
-            Port {
-                id: PortId(260),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(258)),
-            },
-        );
-        ports.insert(
-            PortId(261),
-            Port {
-                id: PortId(261),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(259)),
-            },
-        );
-        ports.insert(
-            PortId(262),
-            Port {
-                id: PortId(262),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(263),
-            Port {
-                id: PortId(263),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(261)),
-            },
-        );
-        ports.insert(
-            PortId(264),
-            Port {
-                id: PortId(264),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(262)),
-            },
-        );
-        ports.insert(
-            PortId(265),
-            Port {
-                id: PortId(265),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(263)),
-            },
-        );
-        ports.insert(
-            PortId(266),
-            Port {
-                id: PortId(266),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(264)),
-            },
-        );
-        ports.insert(
-            PortId(267),
-            Port {
-                id: PortId(267),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(265)),
-            },
-        );
-        ports.insert(
-            PortId(268),
-            Port {
-                id: PortId(268),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(266)),
-            },
-        );
-        ports.insert(
-            PortId(269),
-            Port {
-                id: PortId(269),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(267)),
-            },
-        );
-        ports.insert(
-            PortId(270),
-            Port {
-                id: PortId(270),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(268)),
-            },
-        );
-        ports.insert(
-            PortId(271),
-            Port {
-                id: PortId(271),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(272),
-            Port {
-                id: PortId(272),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(270)),
-            },
-        );
-        ports.insert(
-            PortId(273),
-            Port {
-                id: PortId(273),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(271)),
-            },
-        );
-        ports.insert(
-            PortId(274),
-            Port {
-                id: PortId(274),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(272)),
-            },
-        );
-        ports.insert(
-            PortId(275),
-            Port {
-                id: PortId(275),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(273)),
-            },
-        );
-        ports.insert(
-            PortId(276),
-            Port {
-                id: PortId(276),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(274)),
-            },
-        );
-        ports.insert(
-            PortId(277),
-            Port {
-                id: PortId(277),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(275)),
-            },
-        );
-        ports.insert(
-            PortId(278),
-            Port {
-                id: PortId(278),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(276)),
-            },
-        );
-        ports.insert(
-            PortId(279),
-            Port {
-                id: PortId(279),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(277)),
-            },
-        );
-        ports.insert(
-            PortId(280),
-            Port {
-                id: PortId(280),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(281),
-            Port {
-                id: PortId(281),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(279)),
-            },
-        );
-        ports.insert(
-            PortId(282),
-            Port {
-                id: PortId(282),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(280)),
-            },
-        );
-        ports.insert(
-            PortId(283),
-            Port {
-                id: PortId(283),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(281)),
-            },
-        );
-        ports.insert(
-            PortId(284),
-            Port {
-                id: PortId(284),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(282)),
-            },
-        );
-        ports.insert(
-            PortId(285),
-            Port {
-                id: PortId(285),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(283)),
-            },
-        );
-        ports.insert(
-            PortId(286),
-            Port {
-                id: PortId(286),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(284)),
-            },
-        );
-        ports.insert(
-            PortId(287),
-            Port {
-                id: PortId(287),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(285)),
-            },
-        );
-        ports.insert(
-            PortId(288),
-            Port {
-                id: PortId(288),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(286)),
-            },
-        );
-        ports.insert(
-            PortId(289),
-            Port {
-                id: PortId(289),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(195))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(290),
-            Port {
-                id: PortId(290),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(288)),
-            },
-        );
-        ports.insert(
-            PortId(291),
-            Port {
-                id: PortId(291),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(289)),
-            },
-        );
-        ports.insert(
-            PortId(292),
-            Port {
-                id: PortId(292),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(290)),
-            },
-        );
-        ports.insert(
-            PortId(293),
-            Port {
-                id: PortId(293),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(291)),
-            },
-        );
-        ports.insert(
-            PortId(294),
-            Port {
-                id: PortId(294),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(292)),
-            },
-        );
-        ports.insert(
-            PortId(295),
-            Port {
-                id: PortId(295),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(293)),
-            },
-        );
-        ports.insert(
-            PortId(296),
-            Port {
-                id: PortId(296),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(294)),
-            },
-        );
-        ports.insert(
-            PortId(297),
-            Port {
-                id: PortId(297),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(295)),
-            },
-        );
-        ports.insert(
-            PortId(298),
-            Port {
-                id: PortId(298),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(829))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(299),
-            Port {
-                id: PortId(299),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(300),
-            Port {
-                id: PortId(300),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(297)),
-            },
-        );
-        ports.insert(
-            PortId(301),
-            Port {
-                id: PortId(301),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(302),
-            Port {
-                id: PortId(302),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(298)),
-            },
-        );
-        ports.insert(
-            PortId(303),
-            Port {
-                id: PortId(303),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(736))),
-                produced_by: Some(NodeId(299)),
-            },
-        );
-        ports.insert(
-            PortId(304),
-            Port {
-                id: PortId(304),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(305),
-            Port {
-                id: PortId(305),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(306),
-            Port {
-                id: PortId(306),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(736))),
-                produced_by: Some(NodeId(301)),
-            },
-        );
-        ports.insert(
-            PortId(307),
-            Port {
-                id: PortId(307),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(736))),
-                produced_by: Some(NodeId(302)),
-            },
-        );
-        ports.insert(
-            PortId(308),
-            Port {
-                id: PortId(308),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(303)),
-            },
-        );
-        ports.insert(
-            PortId(309),
-            Port {
-                id: PortId(309),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(310),
-            Port {
-                id: PortId(310),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(305)),
-            },
-        );
-        ports.insert(
-            PortId(311),
-            Port {
-                id: PortId(311),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: Some(NodeId(306)),
-            },
-        );
-        ports.insert(
-            PortId(312),
-            Port {
-                id: PortId(312),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(313),
-            Port {
-                id: PortId(313),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(314),
-            Port {
-                id: PortId(314),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(308)),
-            },
-        );
-        ports.insert(
-            PortId(315),
-            Port {
-                id: PortId(315),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(309)),
-            },
-        );
-        ports.insert(
-            PortId(316),
-            Port {
-                id: PortId(316),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1776))),
-                produced_by: Some(NodeId(310)),
-            },
-        );
-        ports.insert(
-            PortId(317),
-            Port {
-                id: PortId(317),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(318),
-            Port {
-                id: PortId(318),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(319),
-            Port {
-                id: PortId(319),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1777))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(320),
-            Port {
-                id: PortId(320),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1778))),
-                produced_by: Some(NodeId(312)),
-            },
-        );
-        ports.insert(
-            PortId(321),
-            Port {
-                id: PortId(321),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(322),
-            Port {
-                id: PortId(322),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(314)),
-            },
-        );
-        ports.insert(
-            PortId(323),
-            Port {
-                id: PortId(323),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(315)),
-            },
-        );
-        ports.insert(
-            PortId(324),
-            Port {
-                id: PortId(324),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(325),
-            Port {
-                id: PortId(325),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(316)),
-            },
-        );
-        ports.insert(
-            PortId(326),
-            Port {
-                id: PortId(326),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(317)),
-            },
-        );
-        ports.insert(
-            PortId(327),
-            Port {
-                id: PortId(327),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(918))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(328),
-            Port {
-                id: PortId(328),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(319)),
-            },
-        );
-        ports.insert(
-            PortId(329),
-            Port {
-                id: PortId(329),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(330),
-            Port {
-                id: PortId(330),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(320)),
-            },
-        );
-        ports.insert(
-            PortId(331),
-            Port {
-                id: PortId(331),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(321)),
-            },
-        );
-        ports.insert(
-            PortId(332),
-            Port {
-                id: PortId(332),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(322)),
-            },
-        );
-        ports.insert(
-            PortId(333),
-            Port {
-                id: PortId(333),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(323)),
-            },
-        );
-        ports.insert(
-            PortId(334),
-            Port {
-                id: PortId(334),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(324)),
-            },
-        );
-        ports.insert(
-            PortId(335),
-            Port {
-                id: PortId(335),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: Some(NodeId(325)),
-            },
-        );
-        ports.insert(
-            PortId(336),
-            Port {
-                id: PortId(336),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(337),
-            Port {
-                id: PortId(337),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(338),
-            Port {
-                id: PortId(338),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(327)),
-            },
-        );
-        ports.insert(
-            PortId(339),
-            Port {
-                id: PortId(339),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(328)),
-            },
-        );
-        ports.insert(
-            PortId(340),
-            Port {
-                id: PortId(340),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(329)),
-            },
-        );
-        ports.insert(
-            PortId(341),
-            Port {
-                id: PortId(341),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(342),
-            Port {
-                id: PortId(342),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(343),
-            Port {
-                id: PortId(343),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(331)),
-            },
-        );
-        ports.insert(
-            PortId(344),
-            Port {
-                id: PortId(344),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(332)),
-            },
-        );
-        ports.insert(
-            PortId(345),
-            Port {
-                id: PortId(345),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(333)),
-            },
-        );
-        ports.insert(
-            PortId(346),
-            Port {
-                id: PortId(346),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(347),
-            Port {
-                id: PortId(347),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(348),
-            Port {
-                id: PortId(348),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(335)),
-            },
-        );
-        ports.insert(
-            PortId(349),
-            Port {
-                id: PortId(349),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(336)),
-            },
-        );
-        ports.insert(
-            PortId(350),
-            Port {
-                id: PortId(350),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(337)),
-            },
-        );
-        ports.insert(
-            PortId(351),
-            Port {
-                id: PortId(351),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(352),
-            Port {
-                id: PortId(352),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(353),
-            Port {
-                id: PortId(353),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(339)),
-            },
-        );
-        ports.insert(
-            PortId(354),
-            Port {
-                id: PortId(354),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(340)),
-            },
-        );
-        ports.insert(
-            PortId(355),
-            Port {
-                id: PortId(355),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(341)),
-            },
-        );
-        ports.insert(
-            PortId(356),
-            Port {
-                id: PortId(356),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1779))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(357),
-            Port {
-                id: PortId(357),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(343)),
-            },
-        );
-        ports.insert(
-            PortId(358),
-            Port {
-                id: PortId(358),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(344)),
-            },
-        );
-        ports.insert(
-            PortId(359),
-            Port {
-                id: PortId(359),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(345)),
-            },
-        );
-        ports.insert(
-            PortId(360),
-            Port {
-                id: PortId(360),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(361),
-            Port {
-                id: PortId(361),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(362),
-            Port {
-                id: PortId(362),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(363),
-            Port {
-                id: PortId(363),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(347)),
-            },
-        );
-        ports.insert(
-            PortId(364),
-            Port {
-                id: PortId(364),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(365),
-            Port {
-                id: PortId(365),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(366),
-            Port {
-                id: PortId(366),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(348)),
-            },
-        );
-        ports.insert(
-            PortId(367),
-            Port {
-                id: PortId(367),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(368),
-            Port {
-                id: PortId(368),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(349)),
-            },
-        );
-        ports.insert(
-            PortId(369),
-            Port {
-                id: PortId(369),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(370),
-            Port {
-                id: PortId(370),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(350)),
-            },
-        );
-        ports.insert(
-            PortId(371),
-            Port {
-                id: PortId(371),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(372),
-            Port {
-                id: PortId(372),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(351)),
-            },
-        );
-        ports.insert(
-            PortId(373),
-            Port {
-                id: PortId(373),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(374),
-            Port {
-                id: PortId(374),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(352)),
-            },
-        );
-        ports.insert(
-            PortId(375),
-            Port {
-                id: PortId(375),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(376),
-            Port {
-                id: PortId(376),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(353)),
-            },
-        );
-        ports.insert(
-            PortId(377),
-            Port {
-                id: PortId(377),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(378),
-            Port {
-                id: PortId(378),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(354)),
-            },
-        );
-        ports.insert(
-            PortId(379),
-            Port {
-                id: PortId(379),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(355)),
-            },
-        );
-        ports.insert(
-            PortId(380),
-            Port {
-                id: PortId(380),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(381),
-            Port {
-                id: PortId(381),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(382),
-            Port {
-                id: PortId(382),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(356)),
-            },
-        );
-        ports.insert(
-            PortId(383),
-            Port {
-                id: PortId(383),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(384),
-            Port {
-                id: PortId(384),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(357)),
-            },
-        );
-        ports.insert(
-            PortId(385),
-            Port {
-                id: PortId(385),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(386),
-            Port {
-                id: PortId(386),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(358)),
-            },
-        );
-        ports.insert(
-            PortId(387),
-            Port {
-                id: PortId(387),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(388),
-            Port {
-                id: PortId(388),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(359)),
-            },
-        );
-        ports.insert(
-            PortId(389),
-            Port {
-                id: PortId(389),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(390),
-            Port {
-                id: PortId(390),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(360)),
-            },
-        );
-        ports.insert(
-            PortId(391),
-            Port {
-                id: PortId(391),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(392),
-            Port {
-                id: PortId(392),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(361)),
-            },
-        );
-        ports.insert(
-            PortId(393),
-            Port {
-                id: PortId(393),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(394),
-            Port {
-                id: PortId(394),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(362)),
-            },
-        );
-        ports.insert(
-            PortId(395),
-            Port {
-                id: PortId(395),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(363)),
-            },
-        );
-        ports.insert(
-            PortId(396),
-            Port {
-                id: PortId(396),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(397),
-            Port {
-                id: PortId(397),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(398),
-            Port {
-                id: PortId(398),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(364)),
-            },
-        );
-        ports.insert(
-            PortId(399),
-            Port {
-                id: PortId(399),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(400),
-            Port {
-                id: PortId(400),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(365)),
-            },
-        );
-        ports.insert(
-            PortId(401),
-            Port {
-                id: PortId(401),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(402),
-            Port {
-                id: PortId(402),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(366)),
-            },
-        );
-        ports.insert(
-            PortId(403),
-            Port {
-                id: PortId(403),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(367)),
-            },
-        );
-        ports.insert(
-            PortId(404),
-            Port {
-                id: PortId(404),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(405),
-            Port {
-                id: PortId(405),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(368)),
-            },
-        );
-        ports.insert(
-            PortId(406),
-            Port {
-                id: PortId(406),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(369)),
-            },
-        );
-        ports.insert(
-            PortId(407),
-            Port {
-                id: PortId(407),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(370)),
-            },
-        );
-        ports.insert(
-            PortId(408),
-            Port {
-                id: PortId(408),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(371)),
-            },
-        );
-        ports.insert(
-            PortId(409),
-            Port {
-                id: PortId(409),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(372)),
-            },
-        );
-        ports.insert(
-            PortId(410),
-            Port {
-                id: PortId(410),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(373)),
-            },
-        );
-        ports.insert(
-            PortId(411),
-            Port {
-                id: PortId(411),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(374)),
-            },
-        );
-        ports.insert(
-            PortId(412),
-            Port {
-                id: PortId(412),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(375)),
-            },
-        );
-        ports.insert(
-            PortId(413),
-            Port {
-                id: PortId(413),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(376)),
-            },
-        );
-        ports.insert(
-            PortId(414),
-            Port {
-                id: PortId(414),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(377)),
-            },
-        );
-        ports.insert(
-            PortId(415),
-            Port {
-                id: PortId(415),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(416),
-            Port {
-                id: PortId(416),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(378)),
-            },
-        );
-        ports.insert(
-            PortId(417),
-            Port {
-                id: PortId(417),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(418),
-            Port {
-                id: PortId(418),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(379)),
-            },
-        );
-        ports.insert(
-            PortId(419),
-            Port {
-                id: PortId(419),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(420),
-            Port {
-                id: PortId(420),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(380)),
-            },
-        );
-        ports.insert(
-            PortId(421),
-            Port {
-                id: PortId(421),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(381)),
-            },
-        );
-        ports.insert(
-            PortId(422),
-            Port {
-                id: PortId(422),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(423),
-            Port {
-                id: PortId(423),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(424),
-            Port {
-                id: PortId(424),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(382)),
-            },
-        );
-        ports.insert(
-            PortId(425),
-            Port {
-                id: PortId(425),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(426),
-            Port {
-                id: PortId(426),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(383)),
-            },
-        );
-        ports.insert(
-            PortId(427),
-            Port {
-                id: PortId(427),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(428),
-            Port {
-                id: PortId(428),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(384)),
-            },
-        );
-        ports.insert(
-            PortId(429),
-            Port {
-                id: PortId(429),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(430),
-            Port {
-                id: PortId(430),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(385)),
-            },
-        );
-        ports.insert(
-            PortId(431),
-            Port {
-                id: PortId(431),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(432),
-            Port {
-                id: PortId(432),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(386)),
-            },
-        );
-        ports.insert(
-            PortId(433),
-            Port {
-                id: PortId(433),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(434),
-            Port {
-                id: PortId(434),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(387)),
-            },
-        );
-        ports.insert(
-            PortId(435),
-            Port {
-                id: PortId(435),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(436),
-            Port {
-                id: PortId(436),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(388)),
-            },
-        );
-        ports.insert(
-            PortId(437),
-            Port {
-                id: PortId(437),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(389)),
-            },
-        );
-        ports.insert(
-            PortId(438),
-            Port {
-                id: PortId(438),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(439),
-            Port {
-                id: PortId(439),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(390)),
-            },
-        );
-        ports.insert(
-            PortId(440),
-            Port {
-                id: PortId(440),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(391)),
-            },
-        );
-        ports.insert(
-            PortId(441),
-            Port {
-                id: PortId(441),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(392)),
-            },
-        );
-        ports.insert(
-            PortId(442),
-            Port {
-                id: PortId(442),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(393)),
-            },
-        );
-        ports.insert(
-            PortId(443),
-            Port {
-                id: PortId(443),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(444),
-            Port {
-                id: PortId(444),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(394)),
-            },
-        );
-        ports.insert(
-            PortId(445),
-            Port {
-                id: PortId(445),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(395)),
-            },
-        );
-        ports.insert(
-            PortId(446),
-            Port {
-                id: PortId(446),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(396)),
-            },
-        );
-        ports.insert(
-            PortId(447),
-            Port {
-                id: PortId(447),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(397)),
-            },
-        );
-        ports.insert(
-            PortId(448),
-            Port {
-                id: PortId(448),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(398)),
-            },
-        );
-        ports.insert(
-            PortId(449),
-            Port {
-                id: PortId(449),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(450),
-            Port {
-                id: PortId(450),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(451),
-            Port {
-                id: PortId(451),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(400)),
-            },
-        );
-        ports.insert(
-            PortId(452),
-            Port {
-                id: PortId(452),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(453),
-            Port {
-                id: PortId(453),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(454),
-            Port {
-                id: PortId(454),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(402)),
-            },
-        );
-        ports.insert(
-            PortId(455),
-            Port {
-                id: PortId(455),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(403)),
-            },
-        );
-        ports.insert(
-            PortId(456),
-            Port {
-                id: PortId(456),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(404)),
-            },
-        );
-        ports.insert(
-            PortId(457),
-            Port {
-                id: PortId(457),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(458),
-            Port {
-                id: PortId(458),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(405)),
-            },
-        );
-        ports.insert(
-            PortId(459),
-            Port {
-                id: PortId(459),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(406)),
-            },
-        );
-        ports.insert(
-            PortId(460),
-            Port {
-                id: PortId(460),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(407)),
-            },
-        );
-        ports.insert(
-            PortId(461),
-            Port {
-                id: PortId(461),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(408)),
-            },
-        );
-        ports.insert(
-            PortId(462),
-            Port {
-                id: PortId(462),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(409)),
-            },
-        );
-        ports.insert(
-            PortId(463),
-            Port {
-                id: PortId(463),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(410)),
-            },
-        );
-        ports.insert(
-            PortId(464),
-            Port {
-                id: PortId(464),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(411)),
-            },
-        );
-        ports.insert(
-            PortId(465),
-            Port {
-                id: PortId(465),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(466),
-            Port {
-                id: PortId(466),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(412)),
-            },
-        );
-        ports.insert(
-            PortId(467),
-            Port {
-                id: PortId(467),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(413)),
-            },
-        );
-        ports.insert(
-            PortId(468),
-            Port {
-                id: PortId(468),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(414)),
-            },
-        );
-        ports.insert(
-            PortId(469),
-            Port {
-                id: PortId(469),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(470),
-            Port {
-                id: PortId(470),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(415)),
-            },
-        );
-        ports.insert(
-            PortId(471),
-            Port {
-                id: PortId(471),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(416)),
-            },
-        );
-        ports.insert(
-            PortId(472),
-            Port {
-                id: PortId(472),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(417)),
-            },
-        );
-        ports.insert(
-            PortId(473),
-            Port {
-                id: PortId(473),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(418)),
-            },
-        );
-        ports.insert(
-            PortId(474),
-            Port {
-                id: PortId(474),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(419)),
-            },
-        );
-        ports.insert(
-            PortId(475),
-            Port {
-                id: PortId(475),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(420)),
-            },
-        );
-        ports.insert(
-            PortId(476),
-            Port {
-                id: PortId(476),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(421)),
-            },
-        );
-        ports.insert(
-            PortId(477),
-            Port {
-                id: PortId(477),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(422)),
-            },
-        );
-        ports.insert(
-            PortId(478),
-            Port {
-                id: PortId(478),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(423)),
-            },
-        );
-        ports.insert(
-            PortId(479),
-            Port {
-                id: PortId(479),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(424)),
-            },
-        );
-        ports.insert(
-            PortId(480),
-            Port {
-                id: PortId(480),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(425)),
-            },
-        );
-        ports.insert(
-            PortId(481),
-            Port {
-                id: PortId(481),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(426)),
-            },
-        );
-        ports.insert(
-            PortId(482),
-            Port {
-                id: PortId(482),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(427)),
-            },
-        );
-        ports.insert(
-            PortId(483),
-            Port {
-                id: PortId(483),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(428)),
-            },
-        );
-        ports.insert(
-            PortId(484),
-            Port {
-                id: PortId(484),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(429)),
-            },
-        );
-        ports.insert(
-            PortId(485),
-            Port {
-                id: PortId(485),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(486),
-            Port {
-                id: PortId(486),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(430)),
-            },
-        );
-        ports.insert(
-            PortId(487),
-            Port {
-                id: PortId(487),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(431)),
-            },
-        );
-        ports.insert(
-            PortId(488),
-            Port {
-                id: PortId(488),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(432)),
-            },
-        );
-        ports.insert(
-            PortId(489),
-            Port {
-                id: PortId(489),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(433)),
-            },
-        );
-        ports.insert(
-            PortId(490),
-            Port {
-                id: PortId(490),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(434)),
-            },
-        );
-        ports.insert(
-            PortId(491),
-            Port {
-                id: PortId(491),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(435)),
-            },
-        );
-        ports.insert(
-            PortId(492),
-            Port {
-                id: PortId(492),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(436)),
-            },
-        );
-        ports.insert(
-            PortId(493),
-            Port {
-                id: PortId(493),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(437)),
-            },
-        );
-        ports.insert(
-            PortId(494),
-            Port {
-                id: PortId(494),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(438)),
-            },
-        );
-        ports.insert(
-            PortId(495),
-            Port {
-                id: PortId(495),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(496),
-            Port {
-                id: PortId(496),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(439)),
-            },
-        );
-        ports.insert(
-            PortId(497),
-            Port {
-                id: PortId(497),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(440)),
-            },
-        );
-        ports.insert(
-            PortId(498),
-            Port {
-                id: PortId(498),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(441)),
-            },
-        );
-        ports.insert(
-            PortId(499),
-            Port {
-                id: PortId(499),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(442)),
-            },
-        );
-        ports.insert(
-            PortId(500),
-            Port {
-                id: PortId(500),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(443)),
-            },
-        );
-        ports.insert(
-            PortId(501),
-            Port {
-                id: PortId(501),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(444)),
-            },
-        );
-        ports.insert(
-            PortId(502),
-            Port {
-                id: PortId(502),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(445)),
-            },
-        );
-        ports.insert(
-            PortId(503),
-            Port {
-                id: PortId(503),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(446)),
-            },
-        );
-        ports.insert(
-            PortId(504),
-            Port {
-                id: PortId(504),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(447)),
-            },
-        );
-        ports.insert(
-            PortId(505),
-            Port {
-                id: PortId(505),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(506),
-            Port {
-                id: PortId(506),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(448)),
-            },
-        );
-        ports.insert(
-            PortId(507),
-            Port {
-                id: PortId(507),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(449)),
-            },
-        );
-        ports.insert(
-            PortId(508),
-            Port {
-                id: PortId(508),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(450)),
-            },
-        );
-        ports.insert(
-            PortId(509),
-            Port {
-                id: PortId(509),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(451)),
-            },
-        );
-        ports.insert(
-            PortId(510),
-            Port {
-                id: PortId(510),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(452)),
-            },
-        );
-        ports.insert(
-            PortId(511),
-            Port {
-                id: PortId(511),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(453)),
-            },
-        );
-        ports.insert(
-            PortId(512),
-            Port {
-                id: PortId(512),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(454)),
-            },
-        );
-        ports.insert(
-            PortId(513),
-            Port {
-                id: PortId(513),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(455)),
-            },
-        );
-        ports.insert(
-            PortId(514),
-            Port {
-                id: PortId(514),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(456)),
-            },
-        );
-        ports.insert(
-            PortId(515),
-            Port {
-                id: PortId(515),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(516),
-            Port {
-                id: PortId(516),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(457)),
-            },
-        );
-        ports.insert(
-            PortId(517),
-            Port {
-                id: PortId(517),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(458)),
-            },
-        );
-        ports.insert(
-            PortId(518),
-            Port {
-                id: PortId(518),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(459)),
-            },
-        );
-        ports.insert(
-            PortId(519),
-            Port {
-                id: PortId(519),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(460)),
-            },
-        );
-        ports.insert(
-            PortId(520),
-            Port {
-                id: PortId(520),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(461)),
-            },
-        );
-        ports.insert(
-            PortId(521),
-            Port {
-                id: PortId(521),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(462)),
-            },
-        );
-        ports.insert(
-            PortId(522),
-            Port {
-                id: PortId(522),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(463)),
-            },
-        );
-        ports.insert(
-            PortId(523),
-            Port {
-                id: PortId(523),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(464)),
-            },
-        );
-        ports.insert(
-            PortId(524),
-            Port {
-                id: PortId(524),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(465)),
-            },
-        );
-        ports.insert(
-            PortId(525),
-            Port {
-                id: PortId(525),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(526),
-            Port {
-                id: PortId(526),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(466)),
-            },
-        );
-        ports.insert(
-            PortId(527),
-            Port {
-                id: PortId(527),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(467)),
-            },
-        );
-        ports.insert(
-            PortId(528),
-            Port {
-                id: PortId(528),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(468)),
-            },
-        );
-        ports.insert(
-            PortId(529),
-            Port {
-                id: PortId(529),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(469)),
-            },
-        );
-        ports.insert(
-            PortId(530),
-            Port {
-                id: PortId(530),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(470)),
-            },
-        );
-        ports.insert(
-            PortId(531),
-            Port {
-                id: PortId(531),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(532),
-            Port {
-                id: PortId(532),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(533),
-            Port {
-                id: PortId(533),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(472)),
-            },
-        );
-        ports.insert(
-            PortId(534),
-            Port {
-                id: PortId(534),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: Some(NodeId(473)),
-            },
-        );
-        ports.insert(
-            PortId(535),
-            Port {
-                id: PortId(535),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(536),
-            Port {
-                id: PortId(536),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(537),
-            Port {
-                id: PortId(537),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(475)),
-            },
-        );
-        ports.insert(
-            PortId(538),
-            Port {
-                id: PortId(538),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(935))),
-                produced_by: Some(NodeId(476)),
-            },
-        );
-        ports.insert(
-            PortId(539),
-            Port {
-                id: PortId(539),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(540),
-            Port {
-                id: PortId(540),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(541),
-            Port {
-                id: PortId(541),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(478)),
-            },
-        );
-        ports.insert(
-            PortId(542),
-            Port {
-                id: PortId(542),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(479)),
-            },
-        );
-        ports.insert(
-            PortId(543),
-            Port {
-                id: PortId(543),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(480)),
-            },
-        );
-        ports.insert(
-            PortId(544),
-            Port {
-                id: PortId(544),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(545),
-            Port {
-                id: PortId(545),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(481)),
-            },
-        );
-        ports.insert(
-            PortId(546),
-            Port {
-                id: PortId(546),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(482)),
-            },
-        );
-        ports.insert(
-            PortId(547),
-            Port {
-                id: PortId(547),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(483)),
-            },
-        );
-        ports.insert(
-            PortId(548),
-            Port {
-                id: PortId(548),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(484)),
-            },
-        );
-        ports.insert(
-            PortId(549),
-            Port {
-                id: PortId(549),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(485)),
-            },
-        );
-        ports.insert(
-            PortId(550),
-            Port {
-                id: PortId(550),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1780))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(551),
-            Port {
-                id: PortId(551),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(487)),
-            },
-        );
-        ports.insert(
-            PortId(552),
-            Port {
-                id: PortId(552),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(488)),
-            },
-        );
-        ports.insert(
-            PortId(553),
-            Port {
-                id: PortId(553),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1777))),
-                produced_by: Some(NodeId(489)),
-            },
-        );
-        ports.insert(
-            PortId(554),
-            Port {
-                id: PortId(554),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(490)),
-            },
-        );
-        ports.insert(
-            PortId(555),
-            Port {
-                id: PortId(555),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1781))),
-                produced_by: Some(NodeId(491)),
-            },
-        );
-        ports.insert(
-            PortId(556),
-            Port {
-                id: PortId(556),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1782))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(557),
-            Port {
-                id: PortId(557),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(493)),
-            },
-        );
-        ports.insert(
-            PortId(558),
-            Port {
-                id: PortId(558),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(559),
-            Port {
-                id: PortId(559),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(494)),
-            },
-        );
-        ports.insert(
-            PortId(560),
-            Port {
-                id: PortId(560),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(495)),
-            },
-        );
-        ports.insert(
-            PortId(561),
-            Port {
-                id: PortId(561),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(496)),
-            },
-        );
-        ports.insert(
-            PortId(562),
-            Port {
-                id: PortId(562),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(497)),
-            },
-        );
-        ports.insert(
-            PortId(563),
-            Port {
-                id: PortId(563),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(498)),
-            },
-        );
-        ports.insert(
-            PortId(564),
-            Port {
-                id: PortId(564),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(499)),
-            },
-        );
-        ports.insert(
-            PortId(565),
-            Port {
-                id: PortId(565),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(500)),
-            },
-        );
-        ports.insert(
-            PortId(566),
-            Port {
-                id: PortId(566),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(501)),
-            },
-        );
-        ports.insert(
-            PortId(567),
-            Port {
-                id: PortId(567),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(502)),
-            },
-        );
-        ports.insert(
-            PortId(568),
-            Port {
-                id: PortId(568),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(503)),
-            },
-        );
-        ports.insert(
-            PortId(569),
-            Port {
-                id: PortId(569),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1783))),
-                produced_by: Some(NodeId(504)),
-            },
-        );
-        ports.insert(
-            PortId(570),
-            Port {
-                id: PortId(570),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1784))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(571),
-            Port {
-                id: PortId(571),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(506)),
-            },
-        );
-        ports.insert(
-            PortId(572),
-            Port {
-                id: PortId(572),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(507)),
-            },
-        );
-        ports.insert(
-            PortId(573),
-            Port {
-                id: PortId(573),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(508)),
-            },
-        );
-        ports.insert(
-            PortId(574),
-            Port {
-                id: PortId(574),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(509)),
-            },
-        );
-        ports.insert(
-            PortId(575),
-            Port {
-                id: PortId(575),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(510)),
-            },
-        );
-        ports.insert(
-            PortId(576),
-            Port {
-                id: PortId(576),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1785))),
-                produced_by: Some(NodeId(511)),
-            },
-        );
-        ports.insert(
-            PortId(577),
-            Port {
-                id: PortId(577),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1786))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(578),
-            Port {
-                id: PortId(578),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(513)),
-            },
-        );
-        ports.insert(
-            PortId(579),
-            Port {
-                id: PortId(579),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(580),
-            Port {
-                id: PortId(580),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(514)),
-            },
-        );
-        ports.insert(
-            PortId(581),
-            Port {
-                id: PortId(581),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(515)),
-            },
-        );
-        ports.insert(
-            PortId(582),
-            Port {
-                id: PortId(582),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(516)),
-            },
-        );
-        ports.insert(
-            PortId(583),
-            Port {
-                id: PortId(583),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(517)),
-            },
-        );
-        ports.insert(
-            PortId(584),
-            Port {
-                id: PortId(584),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(518)),
-            },
-        );
-        ports.insert(
-            PortId(585),
-            Port {
-                id: PortId(585),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(519)),
-            },
-        );
-        ports.insert(
-            PortId(586),
-            Port {
-                id: PortId(586),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(520)),
-            },
-        );
-        ports.insert(
-            PortId(587),
-            Port {
-                id: PortId(587),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1787))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(588),
-            Port {
-                id: PortId(588),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(522)),
-            },
-        );
-        ports.insert(
-            PortId(589),
-            Port {
-                id: PortId(589),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(590),
-            Port {
-                id: PortId(590),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(523)),
-            },
-        );
-        ports.insert(
-            PortId(591),
-            Port {
-                id: PortId(591),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(524)),
-            },
-        );
-        ports.insert(
-            PortId(592),
-            Port {
-                id: PortId(592),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(525)),
-            },
-        );
-        ports.insert(
-            PortId(593),
-            Port {
-                id: PortId(593),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(526)),
-            },
-        );
-        ports.insert(
-            PortId(594),
-            Port {
-                id: PortId(594),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(527)),
-            },
-        );
-        ports.insert(
-            PortId(595),
-            Port {
-                id: PortId(595),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(528)),
-            },
-        );
-        ports.insert(
-            PortId(596),
-            Port {
-                id: PortId(596),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(529)),
-            },
-        );
-        ports.insert(
-            PortId(597),
-            Port {
-                id: PortId(597),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(530)),
-            },
-        );
-        ports.insert(
-            PortId(598),
-            Port {
-                id: PortId(598),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(531)),
-            },
-        );
-        ports.insert(
-            PortId(599),
-            Port {
-                id: PortId(599),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(532)),
-            },
-        );
-        ports.insert(
-            PortId(600),
-            Port {
-                id: PortId(600),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1788))),
-                produced_by: Some(NodeId(533)),
-            },
-        );
-        ports.insert(
-            PortId(601),
-            Port {
-                id: PortId(601),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(602),
-            Port {
-                id: PortId(602),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(603),
-            Port {
-                id: PortId(603),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(535)),
-            },
-        );
-        ports.insert(
-            PortId(604),
-            Port {
-                id: PortId(604),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(536)),
-            },
-        );
-        ports.insert(
-            PortId(605),
-            Port {
-                id: PortId(605),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(606),
-            Port {
-                id: PortId(606),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(537)),
-            },
-        );
-        ports.insert(
-            PortId(607),
-            Port {
-                id: PortId(607),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(608),
-            Port {
-                id: PortId(608),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(538)),
-            },
-        );
-        ports.insert(
-            PortId(609),
-            Port {
-                id: PortId(609),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(610),
-            Port {
-                id: PortId(610),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(539)),
-            },
-        );
-        ports.insert(
-            PortId(611),
-            Port {
-                id: PortId(611),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(612),
-            Port {
-                id: PortId(612),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(540)),
-            },
-        );
-        ports.insert(
-            PortId(613),
-            Port {
-                id: PortId(613),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(614),
-            Port {
-                id: PortId(614),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(541)),
-            },
-        );
-        ports.insert(
-            PortId(615),
-            Port {
-                id: PortId(615),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(616),
-            Port {
-                id: PortId(616),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(542)),
-            },
-        );
-        ports.insert(
-            PortId(617),
-            Port {
-                id: PortId(617),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(543)),
-            },
-        );
-        ports.insert(
-            PortId(618),
-            Port {
-                id: PortId(618),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(619),
-            Port {
-                id: PortId(619),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(620),
-            Port {
-                id: PortId(620),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(545)),
-            },
-        );
-        ports.insert(
-            PortId(621),
-            Port {
-                id: PortId(621),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(546)),
-            },
-        );
-        ports.insert(
-            PortId(622),
-            Port {
-                id: PortId(622),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(623),
-            Port {
-                id: PortId(623),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(547)),
-            },
-        );
-        ports.insert(
-            PortId(624),
-            Port {
-                id: PortId(624),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(625),
-            Port {
-                id: PortId(625),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(548)),
-            },
-        );
-        ports.insert(
-            PortId(626),
-            Port {
-                id: PortId(626),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(627),
-            Port {
-                id: PortId(627),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(549)),
-            },
-        );
-        ports.insert(
-            PortId(628),
-            Port {
-                id: PortId(628),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(629),
-            Port {
-                id: PortId(629),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(550)),
-            },
-        );
-        ports.insert(
-            PortId(630),
-            Port {
-                id: PortId(630),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(631),
-            Port {
-                id: PortId(631),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(551)),
-            },
-        );
-        ports.insert(
-            PortId(632),
-            Port {
-                id: PortId(632),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(633),
-            Port {
-                id: PortId(633),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(552)),
-            },
-        );
-        ports.insert(
-            PortId(634),
-            Port {
-                id: PortId(634),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(553)),
-            },
-        );
-        ports.insert(
-            PortId(635),
-            Port {
-                id: PortId(635),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1789))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(636),
-            Port {
-                id: PortId(636),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(555)),
-            },
-        );
-        ports.insert(
-            PortId(637),
-            Port {
-                id: PortId(637),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(556)),
-            },
-        );
-        ports.insert(
-            PortId(638),
-            Port {
-                id: PortId(638),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(639),
-            Port {
-                id: PortId(639),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(557)),
-            },
-        );
-        ports.insert(
-            PortId(640),
-            Port {
-                id: PortId(640),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(558)),
-            },
-        );
-        ports.insert(
-            PortId(641),
-            Port {
-                id: PortId(641),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(642),
-            Port {
-                id: PortId(642),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(559)),
-            },
-        );
-        ports.insert(
-            PortId(643),
-            Port {
-                id: PortId(643),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(560)),
-            },
-        );
-        ports.insert(
-            PortId(644),
-            Port {
-                id: PortId(644),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(561)),
-            },
-        );
-        ports.insert(
-            PortId(645),
-            Port {
-                id: PortId(645),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(562)),
-            },
-        );
-        ports.insert(
-            PortId(646),
-            Port {
-                id: PortId(646),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(563)),
-            },
-        );
-        ports.insert(
-            PortId(647),
-            Port {
-                id: PortId(647),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(564)),
-            },
-        );
-        ports.insert(
-            PortId(648),
-            Port {
-                id: PortId(648),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(565)),
-            },
-        );
-        ports.insert(
-            PortId(649),
-            Port {
-                id: PortId(649),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1790))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(650),
-            Port {
-                id: PortId(650),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(567)),
-            },
-        );
-        ports.insert(
-            PortId(651),
-            Port {
-                id: PortId(651),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(568)),
-            },
-        );
-        ports.insert(
-            PortId(652),
-            Port {
-                id: PortId(652),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(653),
-            Port {
-                id: PortId(653),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(569)),
-            },
-        );
-        ports.insert(
-            PortId(654),
-            Port {
-                id: PortId(654),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(570)),
-            },
-        );
-        ports.insert(
-            PortId(655),
-            Port {
-                id: PortId(655),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(656),
-            Port {
-                id: PortId(656),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(571)),
-            },
-        );
-        ports.insert(
-            PortId(657),
-            Port {
-                id: PortId(657),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(572)),
-            },
-        );
-        ports.insert(
-            PortId(658),
-            Port {
-                id: PortId(658),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(573)),
-            },
-        );
-        ports.insert(
-            PortId(659),
-            Port {
-                id: PortId(659),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(574)),
-            },
-        );
-        ports.insert(
-            PortId(660),
-            Port {
-                id: PortId(660),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(575)),
-            },
-        );
-        ports.insert(
-            PortId(661),
-            Port {
-                id: PortId(661),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(576)),
-            },
-        );
-        ports.insert(
-            PortId(662),
-            Port {
-                id: PortId(662),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(577)),
-            },
-        );
-        ports.insert(
-            PortId(663),
-            Port {
-                id: PortId(663),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1791))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(664),
-            Port {
-                id: PortId(664),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(579)),
-            },
-        );
-        ports.insert(
-            PortId(665),
-            Port {
-                id: PortId(665),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(580)),
-            },
-        );
-        ports.insert(
-            PortId(666),
-            Port {
-                id: PortId(666),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(667),
-            Port {
-                id: PortId(667),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(581)),
-            },
-        );
-        ports.insert(
-            PortId(668),
-            Port {
-                id: PortId(668),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(582)),
-            },
-        );
-        ports.insert(
-            PortId(669),
-            Port {
-                id: PortId(669),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(670),
-            Port {
-                id: PortId(670),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(583)),
-            },
-        );
-        ports.insert(
-            PortId(671),
-            Port {
-                id: PortId(671),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(584)),
-            },
-        );
-        ports.insert(
-            PortId(672),
-            Port {
-                id: PortId(672),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(585)),
-            },
-        );
-        ports.insert(
-            PortId(673),
-            Port {
-                id: PortId(673),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(586)),
-            },
-        );
-        ports.insert(
-            PortId(674),
-            Port {
-                id: PortId(674),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(675),
-            Port {
-                id: PortId(675),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(587)),
-            },
-        );
-        ports.insert(
-            PortId(676),
-            Port {
-                id: PortId(676),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(588)),
-            },
-        );
-        ports.insert(
-            PortId(677),
-            Port {
-                id: PortId(677),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(589)),
-            },
-        );
-        ports.insert(
-            PortId(678),
-            Port {
-                id: PortId(678),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(590)),
-            },
-        );
-        ports.insert(
-            PortId(679),
-            Port {
-                id: PortId(679),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(591)),
-            },
-        );
-        ports.insert(
-            PortId(680),
-            Port {
-                id: PortId(680),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(592)),
-            },
-        );
-        ports.insert(
-            PortId(681),
-            Port {
-                id: PortId(681),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(593)),
-            },
-        );
-        ports.insert(
-            PortId(682),
-            Port {
-                id: PortId(682),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(594)),
-            },
-        );
-        ports.insert(
-            PortId(683),
-            Port {
-                id: PortId(683),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(684),
-            Port {
-                id: PortId(684),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(685),
-            Port {
-                id: PortId(685),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(686),
-            Port {
-                id: PortId(686),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(596)),
-            },
-        );
-        ports.insert(
-            PortId(687),
-            Port {
-                id: PortId(687),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(688),
-            Port {
-                id: PortId(688),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(597)),
-            },
-        );
-        ports.insert(
-            PortId(689),
-            Port {
-                id: PortId(689),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(690),
-            Port {
-                id: PortId(690),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(598)),
-            },
-        );
-        ports.insert(
-            PortId(691),
-            Port {
-                id: PortId(691),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(692),
-            Port {
-                id: PortId(692),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(599)),
-            },
-        );
-        ports.insert(
-            PortId(693),
-            Port {
-                id: PortId(693),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(694),
-            Port {
-                id: PortId(694),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(600)),
-            },
-        );
-        ports.insert(
-            PortId(695),
-            Port {
-                id: PortId(695),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(696),
-            Port {
-                id: PortId(696),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(601)),
-            },
-        );
-        ports.insert(
-            PortId(697),
-            Port {
-                id: PortId(697),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(698),
-            Port {
-                id: PortId(698),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(602)),
-            },
-        );
-        ports.insert(
-            PortId(699),
-            Port {
-                id: PortId(699),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(603)),
-            },
-        );
-        ports.insert(
-            PortId(700),
-            Port {
-                id: PortId(700),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(701),
-            Port {
-                id: PortId(701),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(702),
-            Port {
-                id: PortId(702),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(703),
-            Port {
-                id: PortId(703),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(704),
-            Port {
-                id: PortId(704),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(605)),
-            },
-        );
-        ports.insert(
-            PortId(705),
-            Port {
-                id: PortId(705),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(706),
-            Port {
-                id: PortId(706),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(606)),
-            },
-        );
-        ports.insert(
-            PortId(707),
-            Port {
-                id: PortId(707),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(708),
-            Port {
-                id: PortId(708),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(607)),
-            },
-        );
-        ports.insert(
-            PortId(709),
-            Port {
-                id: PortId(709),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(710),
-            Port {
-                id: PortId(710),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(608)),
-            },
-        );
-        ports.insert(
-            PortId(711),
-            Port {
-                id: PortId(711),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(712),
-            Port {
-                id: PortId(712),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(609)),
-            },
-        );
-        ports.insert(
-            PortId(713),
-            Port {
-                id: PortId(713),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(714),
-            Port {
-                id: PortId(714),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(610)),
-            },
-        );
-        ports.insert(
-            PortId(715),
-            Port {
-                id: PortId(715),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(716),
-            Port {
-                id: PortId(716),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(611)),
-            },
-        );
-        ports.insert(
-            PortId(717),
-            Port {
-                id: PortId(717),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(612)),
-            },
-        );
-        ports.insert(
-            PortId(718),
-            Port {
-                id: PortId(718),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(719),
-            Port {
-                id: PortId(719),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(915))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(720),
-            Port {
-                id: PortId(720),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(721),
-            Port {
-                id: PortId(721),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(722),
-            Port {
-                id: PortId(722),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(614)),
-            },
-        );
-        ports.insert(
-            PortId(723),
-            Port {
-                id: PortId(723),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(615)),
-            },
-        );
-        ports.insert(
-            PortId(724),
-            Port {
-                id: PortId(724),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(616)),
-            },
-        );
-        ports.insert(
-            PortId(725),
-            Port {
-                id: PortId(725),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(617)),
-            },
-        );
-        ports.insert(
-            PortId(726),
-            Port {
-                id: PortId(726),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(727),
-            Port {
-                id: PortId(727),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(728),
-            Port {
-                id: PortId(728),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(619)),
-            },
-        );
-        ports.insert(
-            PortId(729),
-            Port {
-                id: PortId(729),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(620)),
-            },
-        );
-        ports.insert(
-            PortId(730),
-            Port {
-                id: PortId(730),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(731),
-            Port {
-                id: PortId(731),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(732),
-            Port {
-                id: PortId(732),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(622)),
-            },
-        );
-        ports.insert(
-            PortId(733),
-            Port {
-                id: PortId(733),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(623)),
-            },
-        );
-        ports.insert(
-            PortId(734),
-            Port {
-                id: PortId(734),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(624)),
-            },
-        );
-        ports.insert(
-            PortId(735),
-            Port {
-                id: PortId(735),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(625)),
-            },
-        );
-        ports.insert(
-            PortId(736),
-            Port {
-                id: PortId(736),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(626)),
-            },
-        );
-        ports.insert(
-            PortId(737),
-            Port {
-                id: PortId(737),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: Some(NodeId(627)),
-            },
-        );
-        ports.insert(
-            PortId(738),
-            Port {
-                id: PortId(738),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(920))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(739),
-            Port {
-                id: PortId(739),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(629)),
-            },
-        );
-        ports.insert(
-            PortId(740),
-            Port {
-                id: PortId(740),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1792))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(741),
-            Port {
-                id: PortId(741),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(742),
-            Port {
-                id: PortId(742),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(631)),
-            },
-        );
-        ports.insert(
-            PortId(743),
-            Port {
-                id: PortId(743),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(744),
-            Port {
-                id: PortId(744),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(632)),
-            },
-        );
-        ports.insert(
-            PortId(745),
-            Port {
-                id: PortId(745),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(633)),
-            },
-        );
-        ports.insert(
-            PortId(746),
-            Port {
-                id: PortId(746),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(634)),
-            },
-        );
-        ports.insert(
-            PortId(747),
-            Port {
-                id: PortId(747),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(635)),
-            },
-        );
-        ports.insert(
-            PortId(748),
-            Port {
-                id: PortId(748),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(636)),
-            },
-        );
-        ports.insert(
-            PortId(749),
-            Port {
-                id: PortId(749),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(637)),
-            },
-        );
-        ports.insert(
-            PortId(750),
-            Port {
-                id: PortId(750),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(638)),
-            },
-        );
-        ports.insert(
-            PortId(751),
-            Port {
-                id: PortId(751),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(639)),
-            },
-        );
-        ports.insert(
-            PortId(752),
-            Port {
-                id: PortId(752),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(640)),
-            },
-        );
-        ports.insert(
-            PortId(753),
-            Port {
-                id: PortId(753),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(641)),
-            },
-        );
-        ports.insert(
-            PortId(754),
-            Port {
-                id: PortId(754),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1793))),
-                produced_by: Some(NodeId(642)),
-            },
-        );
-        ports.insert(
-            PortId(755),
-            Port {
-                id: PortId(755),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1794))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(756),
-            Port {
-                id: PortId(756),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(757),
-            Port {
-                id: PortId(757),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(644)),
-            },
-        );
-        ports.insert(
-            PortId(758),
-            Port {
-                id: PortId(758),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(645)),
-            },
-        );
-        ports.insert(
-            PortId(759),
-            Port {
-                id: PortId(759),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(646)),
-            },
-        );
-        ports.insert(
-            PortId(760),
-            Port {
-                id: PortId(760),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(647)),
-            },
-        );
-        ports.insert(
-            PortId(761),
-            Port {
-                id: PortId(761),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(648)),
-            },
-        );
-        ports.insert(
-            PortId(762),
-            Port {
-                id: PortId(762),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1795))),
-                produced_by: Some(NodeId(649)),
-            },
-        );
-        ports.insert(
-            PortId(763),
-            Port {
-                id: PortId(763),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1796))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(764),
-            Port {
-                id: PortId(764),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(651)),
-            },
-        );
-        ports.insert(
-            PortId(765),
-            Port {
-                id: PortId(765),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1797))),
-                produced_by: Some(NodeId(652)),
-            },
-        );
-        ports.insert(
-            PortId(766),
-            Port {
-                id: PortId(766),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1184))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(767),
-            Port {
-                id: PortId(767),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(654)),
-            },
-        );
-        ports.insert(
-            PortId(768),
-            Port {
-                id: PortId(768),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(655)),
-            },
-        );
-        ports.insert(
-            PortId(769),
-            Port {
-                id: PortId(769),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(770),
-            Port {
-                id: PortId(770),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(656)),
-            },
-        );
-        ports.insert(
-            PortId(771),
-            Port {
-                id: PortId(771),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(657)),
-            },
-        );
-        ports.insert(
-            PortId(772),
-            Port {
-                id: PortId(772),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(773),
-            Port {
-                id: PortId(773),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(658)),
-            },
-        );
-        ports.insert(
-            PortId(774),
-            Port {
-                id: PortId(774),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(659)),
-            },
-        );
-        ports.insert(
-            PortId(775),
-            Port {
-                id: PortId(775),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(776),
-            Port {
-                id: PortId(776),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(660)),
-            },
-        );
-        ports.insert(
-            PortId(777),
-            Port {
-                id: PortId(777),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(661)),
-            },
-        );
-        ports.insert(
-            PortId(778),
-            Port {
-                id: PortId(778),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(779),
-            Port {
-                id: PortId(779),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(662)),
-            },
-        );
-        ports.insert(
-            PortId(780),
-            Port {
-                id: PortId(780),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(663)),
-            },
-        );
-        ports.insert(
-            PortId(781),
-            Port {
-                id: PortId(781),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(664)),
-            },
-        );
-        ports.insert(
-            PortId(782),
-            Port {
-                id: PortId(782),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(665)),
-            },
-        );
-        ports.insert(
-            PortId(783),
-            Port {
-                id: PortId(783),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(666)),
-            },
-        );
-        ports.insert(
-            PortId(784),
-            Port {
-                id: PortId(784),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(667)),
-            },
-        );
-        ports.insert(
-            PortId(785),
-            Port {
-                id: PortId(785),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(668)),
-            },
-        );
-        ports.insert(
-            PortId(786),
-            Port {
-                id: PortId(786),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(669)),
-            },
-        );
-        ports.insert(
-            PortId(787),
-            Port {
-                id: PortId(787),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1183))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(788),
-            Port {
-                id: PortId(788),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(789),
-            Port {
-                id: PortId(789),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(671)),
-            },
-        );
-        ports.insert(
-            PortId(790),
-            Port {
-                id: PortId(790),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(672)),
-            },
-        );
-        ports.insert(
-            PortId(791),
-            Port {
-                id: PortId(791),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(673)),
-            },
-        );
-        ports.insert(
-            PortId(792),
-            Port {
-                id: PortId(792),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(674)),
-            },
-        );
-        ports.insert(
-            PortId(793),
-            Port {
-                id: PortId(793),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(794),
-            Port {
-                id: PortId(794),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(675)),
-            },
-        );
-        ports.insert(
-            PortId(795),
-            Port {
-                id: PortId(795),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(676)),
-            },
-        );
-        ports.insert(
-            PortId(796),
-            Port {
-                id: PortId(796),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(677)),
-            },
-        );
-        ports.insert(
-            PortId(797),
-            Port {
-                id: PortId(797),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(678)),
-            },
-        );
-        ports.insert(
-            PortId(798),
-            Port {
-                id: PortId(798),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2093))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(799),
-            Port {
-                id: PortId(799),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(919))),
-                produced_by: Some(NodeId(680)),
-            },
-        );
-        ports.insert(
-            PortId(800),
-            Port {
-                id: PortId(800),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(801),
-            Port {
-                id: PortId(801),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2220))),
-                produced_by: Some(NodeId(682)),
-            },
-        );
-        ports.insert(
-            PortId(802),
-            Port {
-                id: PortId(802),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(154))),
-                produced_by: Some(NodeId(684)),
-            },
-        );
-        ports.insert(
-            PortId(803),
-            Port {
-                id: PortId(803),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(735))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(804),
-            Port {
-                id: PortId(804),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(170))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(805),
-            Port {
-                id: PortId(805),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(171))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(806),
-            Port {
-                id: PortId(806),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(174))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(807),
-            Port {
-                id: PortId(807),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1233))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(808),
-            Port {
-                id: PortId(808),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1236))),
-                produced_by: Some(NodeId(686)),
-            },
-        );
-        ports.insert(
-            PortId(809),
-            Port {
-                id: PortId(809),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: Some(NodeId(688)),
-            },
-        );
-        ports.insert(
-            PortId(810),
-            Port {
-                id: PortId(810),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(811),
-            Port {
-                id: PortId(811),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(812),
-            Port {
-                id: PortId(812),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(813),
-            Port {
-                id: PortId(813),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(690)),
-            },
-        );
-        ports.insert(
-            PortId(814),
-            Port {
-                id: PortId(814),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(691)),
-            },
-        );
-        ports.insert(
-            PortId(815),
-            Port {
-                id: PortId(815),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(692)),
-            },
-        );
-        ports.insert(
-            PortId(816),
-            Port {
-                id: PortId(816),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(693)),
-            },
-        );
-        ports.insert(
-            PortId(817),
-            Port {
-                id: PortId(817),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(818),
-            Port {
-                id: PortId(818),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(694)),
-            },
-        );
-        ports.insert(
-            PortId(819),
-            Port {
-                id: PortId(819),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(695)),
-            },
-        );
-        ports.insert(
-            PortId(820),
-            Port {
-                id: PortId(820),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(696)),
-            },
-        );
-        ports.insert(
-            PortId(821),
-            Port {
-                id: PortId(821),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(697)),
-            },
-        );
-        ports.insert(
-            PortId(822),
-            Port {
-                id: PortId(822),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(698)),
-            },
-        );
-        ports.insert(
-            PortId(823),
-            Port {
-                id: PortId(823),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(699)),
-            },
-        );
-        ports.insert(
-            PortId(824),
-            Port {
-                id: PortId(824),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(825),
-            Port {
-                id: PortId(825),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(700)),
-            },
-        );
-        ports.insert(
-            PortId(826),
-            Port {
-                id: PortId(826),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(701)),
-            },
-        );
-        ports.insert(
-            PortId(827),
-            Port {
-                id: PortId(827),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(702)),
-            },
-        );
-        ports.insert(
-            PortId(828),
-            Port {
-                id: PortId(828),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(829),
-            Port {
-                id: PortId(829),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(703)),
-            },
-        );
-        ports.insert(
-            PortId(830),
-            Port {
-                id: PortId(830),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(704)),
-            },
-        );
-        ports.insert(
-            PortId(831),
-            Port {
-                id: PortId(831),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(705)),
-            },
-        );
-        ports.insert(
-            PortId(832),
-            Port {
-                id: PortId(832),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(706)),
-            },
-        );
-        ports.insert(
-            PortId(833),
-            Port {
-                id: PortId(833),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(834),
-            Port {
-                id: PortId(834),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(707)),
-            },
-        );
-        ports.insert(
-            PortId(835),
-            Port {
-                id: PortId(835),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(708)),
-            },
-        );
-        ports.insert(
-            PortId(836),
-            Port {
-                id: PortId(836),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(709)),
-            },
-        );
-        ports.insert(
-            PortId(837),
-            Port {
-                id: PortId(837),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(710)),
-            },
-        );
-        ports.insert(
-            PortId(838),
-            Port {
-                id: PortId(838),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(711)),
-            },
-        );
-        ports.insert(
-            PortId(839),
-            Port {
-                id: PortId(839),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(712)),
-            },
-        );
-        ports.insert(
-            PortId(840),
-            Port {
-                id: PortId(840),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(713)),
-            },
-        );
-        ports.insert(
-            PortId(841),
-            Port {
-                id: PortId(841),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(714)),
-            },
-        );
-        ports.insert(
-            PortId(842),
-            Port {
-                id: PortId(842),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(715)),
-            },
-        );
-        ports.insert(
-            PortId(843),
-            Port {
-                id: PortId(843),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(716)),
-            },
-        );
-        ports.insert(
-            PortId(844),
-            Port {
-                id: PortId(844),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(717)),
-            },
-        );
-        ports.insert(
-            PortId(845),
-            Port {
-                id: PortId(845),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(718)),
-            },
-        );
-        ports.insert(
-            PortId(846),
-            Port {
-                id: PortId(846),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(719)),
-            },
-        );
-        ports.insert(
-            PortId(847),
-            Port {
-                id: PortId(847),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: Some(NodeId(720)),
-            },
-        );
-        ports.insert(
-            PortId(848),
-            Port {
-                id: PortId(848),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(849),
-            Port {
-                id: PortId(849),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(850),
-            Port {
-                id: PortId(850),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(722)),
-            },
-        );
-        ports.insert(
-            PortId(851),
-            Port {
-                id: PortId(851),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: Some(NodeId(723)),
-            },
-        );
-        ports.insert(
-            PortId(852),
-            Port {
-                id: PortId(852),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(725)),
-            },
-        );
-        ports.insert(
-            PortId(853),
-            Port {
-                id: PortId(853),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1233))),
-                produced_by: Some(NodeId(726)),
-            },
-        );
-        ports.insert(
-            PortId(854),
-            Port {
-                id: PortId(854),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(728)),
-            },
-        );
-        ports.insert(
-            PortId(855),
-            Port {
-                id: PortId(855),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: Some(NodeId(729)),
-            },
-        );
-        ports.insert(
-            PortId(856),
-            Port {
-                id: PortId(856),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(857),
-            Port {
-                id: PortId(857),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(858),
-            Port {
-                id: PortId(858),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(731)),
-            },
-        );
-        ports.insert(
-            PortId(859),
-            Port {
-                id: PortId(859),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: Some(NodeId(732)),
-            },
-        );
-        ports.insert(
-            PortId(860),
-            Port {
-                id: PortId(860),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(734)),
-            },
-        );
-        ports.insert(
-            PortId(861),
-            Port {
-                id: PortId(861),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(735)),
-            },
-        );
-        ports.insert(
-            PortId(862),
-            Port {
-                id: PortId(862),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1050))),
-                produced_by: Some(NodeId(736)),
-            },
-        );
-        ports.insert(
-            PortId(863),
-            Port {
-                id: PortId(863),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(738)),
-            },
-        );
-        ports.insert(
-            PortId(864),
-            Port {
-                id: PortId(864),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(739)),
-            },
-        );
-        ports.insert(
-            PortId(865),
-            Port {
-                id: PortId(865),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1051))),
-                produced_by: Some(NodeId(740)),
-            },
-        );
-        ports.insert(
-            PortId(866),
-            Port {
-                id: PortId(866),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(867),
-            Port {
-                id: PortId(867),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(868),
-            Port {
-                id: PortId(868),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(742)),
-            },
-        );
-        ports.insert(
-            PortId(869),
-            Port {
-                id: PortId(869),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(870),
-            Port {
-                id: PortId(870),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(743)),
-            },
-        );
-        ports.insert(
-            PortId(871),
-            Port {
-                id: PortId(871),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(872),
-            Port {
-                id: PortId(872),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(744)),
-            },
-        );
-        ports.insert(
-            PortId(873),
-            Port {
-                id: PortId(873),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(874),
-            Port {
-                id: PortId(874),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(745)),
-            },
-        );
-        ports.insert(
-            PortId(875),
-            Port {
-                id: PortId(875),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(876),
-            Port {
-                id: PortId(876),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(746)),
-            },
-        );
-        ports.insert(
-            PortId(877),
-            Port {
-                id: PortId(877),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(155))),
-                produced_by: Some(NodeId(747)),
-            },
-        );
-        ports.insert(
-            PortId(878),
-            Port {
-                id: PortId(878),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(879),
-            Port {
-                id: PortId(879),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(155))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(880),
-            Port {
-                id: PortId(880),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(749)),
-            },
-        );
-        ports.insert(
-            PortId(881),
-            Port {
-                id: PortId(881),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(750)),
-            },
-        );
-        ports.insert(
-            PortId(882),
-            Port {
-                id: PortId(882),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(751)),
-            },
-        );
-        ports.insert(
-            PortId(883),
-            Port {
-                id: PortId(883),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: Some(NodeId(752)),
-            },
-        );
-        ports.insert(
-            PortId(884),
-            Port {
-                id: PortId(884),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(754)),
-            },
-        );
-        ports.insert(
-            PortId(885),
-            Port {
-                id: PortId(885),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(755)),
-            },
-        );
-        ports.insert(
-            PortId(886),
-            Port {
-                id: PortId(886),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(756)),
-            },
-        );
-        ports.insert(
-            PortId(887),
-            Port {
-                id: PortId(887),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(155))),
-                produced_by: Some(NodeId(757)),
-            },
-        );
-        ports.insert(
-            PortId(888),
-            Port {
-                id: PortId(888),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(889),
-            Port {
-                id: PortId(889),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(890),
-            Port {
-                id: PortId(890),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(759)),
-            },
-        );
-        ports.insert(
-            PortId(891),
-            Port {
-                id: PortId(891),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1651))),
-                produced_by: Some(NodeId(760)),
-            },
-        );
-        ports.insert(
-            PortId(892),
-            Port {
-                id: PortId(892),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(893),
-            Port {
-                id: PortId(893),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(761)),
-            },
-        );
-        ports.insert(
-            PortId(894),
-            Port {
-                id: PortId(894),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(762)),
-            },
-        );
-        ports.insert(
-            PortId(895),
-            Port {
-                id: PortId(895),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(763)),
-            },
-        );
-        ports.insert(
-            PortId(896),
-            Port {
-                id: PortId(896),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(764)),
-            },
-        );
-        ports.insert(
-            PortId(897),
-            Port {
-                id: PortId(897),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(765)),
-            },
-        );
-        ports.insert(
-            PortId(898),
-            Port {
-                id: PortId(898),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(766)),
-            },
-        );
-        ports.insert(
-            PortId(899),
-            Port {
-                id: PortId(899),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(767)),
-            },
-        );
-        ports.insert(
-            PortId(900),
-            Port {
-                id: PortId(900),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(768)),
-            },
-        );
-        ports.insert(
-            PortId(901),
-            Port {
-                id: PortId(901),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(902),
-            Port {
-                id: PortId(902),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(769)),
-            },
-        );
-        ports.insert(
-            PortId(903),
-            Port {
-                id: PortId(903),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(770)),
-            },
-        );
-        ports.insert(
-            PortId(904),
-            Port {
-                id: PortId(904),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(771)),
-            },
-        );
-        ports.insert(
-            PortId(905),
-            Port {
-                id: PortId(905),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(772)),
-            },
-        );
-        ports.insert(
-            PortId(906),
-            Port {
-                id: PortId(906),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1060))),
-                produced_by: Some(NodeId(773)),
-            },
-        );
-        ports.insert(
-            PortId(907),
-            Port {
-                id: PortId(907),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(908),
-            Port {
-                id: PortId(908),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(829))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(909),
-            Port {
-                id: PortId(909),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(910),
-            Port {
-                id: PortId(910),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(775)),
-            },
-        );
-        ports.insert(
-            PortId(911),
-            Port {
-                id: PortId(911),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(912),
-            Port {
-                id: PortId(912),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(776)),
-            },
-        );
-        ports.insert(
-            PortId(913),
-            Port {
-                id: PortId(913),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(914),
-            Port {
-                id: PortId(914),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(777)),
-            },
-        );
-        ports.insert(
-            PortId(915),
-            Port {
-                id: PortId(915),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(778)),
-            },
-        );
-        ports.insert(
-            PortId(916),
-            Port {
-                id: PortId(916),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(779)),
-            },
-        );
-        ports.insert(
-            PortId(917),
-            Port {
-                id: PortId(917),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(780)),
-            },
-        );
-        ports.insert(
-            PortId(918),
-            Port {
-                id: PortId(918),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(781)),
-            },
-        );
-        ports.insert(
-            PortId(919),
-            Port {
-                id: PortId(919),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: Some(NodeId(782)),
-            },
-        );
-        ports.insert(
-            PortId(920),
-            Port {
-                id: PortId(920),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(921),
-            Port {
-                id: PortId(921),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(922),
-            Port {
-                id: PortId(922),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(923),
-            Port {
-                id: PortId(923),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(784)),
-            },
-        );
-        ports.insert(
-            PortId(924),
-            Port {
-                id: PortId(924),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(785)),
-            },
-        );
-        ports.insert(
-            PortId(925),
-            Port {
-                id: PortId(925),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(786)),
-            },
-        );
-        ports.insert(
-            PortId(926),
-            Port {
-                id: PortId(926),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(787)),
-            },
-        );
-        ports.insert(
-            PortId(927),
-            Port {
-                id: PortId(927),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(788)),
-            },
-        );
-        ports.insert(
-            PortId(928),
-            Port {
-                id: PortId(928),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(789)),
-            },
-        );
-        ports.insert(
-            PortId(929),
-            Port {
-                id: PortId(929),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(790)),
-            },
-        );
-        ports.insert(
-            PortId(930),
-            Port {
-                id: PortId(930),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(931),
-            Port {
-                id: PortId(931),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(791)),
-            },
-        );
-        ports.insert(
-            PortId(932),
-            Port {
-                id: PortId(932),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(792)),
-            },
-        );
-        ports.insert(
-            PortId(933),
-            Port {
-                id: PortId(933),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(793)),
-            },
-        );
-        ports.insert(
-            PortId(934),
-            Port {
-                id: PortId(934),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(794)),
-            },
-        );
-        ports.insert(
-            PortId(935),
-            Port {
-                id: PortId(935),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(795)),
-            },
-        );
-        ports.insert(
-            PortId(936),
-            Port {
-                id: PortId(936),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(796)),
-            },
-        );
-        ports.insert(
-            PortId(937),
-            Port {
-                id: PortId(937),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(797)),
-            },
-        );
-        ports.insert(
-            PortId(938),
-            Port {
-                id: PortId(938),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(939),
-            Port {
-                id: PortId(939),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(798)),
-            },
-        );
-        ports.insert(
-            PortId(940),
-            Port {
-                id: PortId(940),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(799)),
-            },
-        );
-        ports.insert(
-            PortId(941),
-            Port {
-                id: PortId(941),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(800)),
-            },
-        );
-        ports.insert(
-            PortId(942),
-            Port {
-                id: PortId(942),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(801)),
-            },
-        );
-        ports.insert(
-            PortId(943),
-            Port {
-                id: PortId(943),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(802)),
-            },
-        );
-        ports.insert(
-            PortId(944),
-            Port {
-                id: PortId(944),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(803)),
-            },
-        );
-        ports.insert(
-            PortId(945),
-            Port {
-                id: PortId(945),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(804)),
-            },
-        );
-        ports.insert(
-            PortId(946),
-            Port {
-                id: PortId(946),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(947),
-            Port {
-                id: PortId(947),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(805)),
-            },
-        );
-        ports.insert(
-            PortId(948),
-            Port {
-                id: PortId(948),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(806)),
-            },
-        );
-        ports.insert(
-            PortId(949),
-            Port {
-                id: PortId(949),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(807)),
-            },
-        );
-        ports.insert(
-            PortId(950),
-            Port {
-                id: PortId(950),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(808)),
-            },
-        );
-        ports.insert(
-            PortId(951),
-            Port {
-                id: PortId(951),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(809)),
-            },
-        );
-        ports.insert(
-            PortId(952),
-            Port {
-                id: PortId(952),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(810)),
-            },
-        );
-        ports.insert(
-            PortId(953),
-            Port {
-                id: PortId(953),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(811)),
-            },
-        );
-        ports.insert(
-            PortId(954),
-            Port {
-                id: PortId(954),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(955),
-            Port {
-                id: PortId(955),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(812)),
-            },
-        );
-        ports.insert(
-            PortId(956),
-            Port {
-                id: PortId(956),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(813)),
-            },
-        );
-        ports.insert(
-            PortId(957),
-            Port {
-                id: PortId(957),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(814)),
-            },
-        );
-        ports.insert(
-            PortId(958),
-            Port {
-                id: PortId(958),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(815)),
-            },
-        );
-        ports.insert(
-            PortId(959),
-            Port {
-                id: PortId(959),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(816)),
-            },
-        );
-        ports.insert(
-            PortId(960),
-            Port {
-                id: PortId(960),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(817)),
-            },
-        );
-        ports.insert(
-            PortId(961),
-            Port {
-                id: PortId(961),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(818)),
-            },
-        );
-        ports.insert(
-            PortId(962),
-            Port {
-                id: PortId(962),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2221))),
-                produced_by: Some(NodeId(819)),
-            },
-        );
-        ports.insert(
-            PortId(963),
-            Port {
-                id: PortId(963),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(964),
-            Port {
-                id: PortId(964),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(965),
-            Port {
-                id: PortId(965),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(966),
-            Port {
-                id: PortId(966),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(821)),
-            },
-        );
-        ports.insert(
-            PortId(967),
-            Port {
-                id: PortId(967),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(822)),
-            },
-        );
-        ports.insert(
-            PortId(968),
-            Port {
-                id: PortId(968),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(823)),
-            },
-        );
-        ports.insert(
-            PortId(969),
-            Port {
-                id: PortId(969),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(824)),
-            },
-        );
-        ports.insert(
-            PortId(970),
-            Port {
-                id: PortId(970),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(825)),
-            },
-        );
-        ports.insert(
-            PortId(971),
-            Port {
-                id: PortId(971),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(826)),
-            },
-        );
-        ports.insert(
-            PortId(972),
-            Port {
-                id: PortId(972),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(827)),
-            },
-        );
-        ports.insert(
-            PortId(973),
-            Port {
-                id: PortId(973),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(828)),
-            },
-        );
-        ports.insert(
-            PortId(974),
-            Port {
-                id: PortId(974),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(829)),
-            },
-        );
-        ports.insert(
-            PortId(975),
-            Port {
-                id: PortId(975),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(830)),
-            },
-        );
-        ports.insert(
-            PortId(976),
-            Port {
-                id: PortId(976),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(831)),
-            },
-        );
-        ports.insert(
-            PortId(977),
-            Port {
-                id: PortId(977),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(832)),
-            },
-        );
-        ports.insert(
-            PortId(978),
-            Port {
-                id: PortId(978),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1060))),
-                produced_by: Some(NodeId(833)),
-            },
-        );
-        ports.insert(
-            PortId(979),
-            Port {
-                id: PortId(979),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(76))),
-                produced_by: Some(NodeId(835)),
-            },
-        );
-        ports.insert(
-            PortId(980),
-            Port {
-                id: PortId(980),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(981),
-            Port {
-                id: PortId(981),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(982),
-            Port {
-                id: PortId(982),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(837)),
-            },
-        );
-        ports.insert(
-            PortId(983),
-            Port {
-                id: PortId(983),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(838)),
-            },
-        );
-        ports.insert(
-            PortId(984),
-            Port {
-                id: PortId(984),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(839)),
-            },
-        );
-        ports.insert(
-            PortId(985),
-            Port {
-                id: PortId(985),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(840)),
-            },
-        );
-        ports.insert(
-            PortId(986),
-            Port {
-                id: PortId(986),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(841)),
-            },
-        );
-        ports.insert(
-            PortId(987),
-            Port {
-                id: PortId(987),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1241))),
-                produced_by: Some(NodeId(842)),
-            },
-        );
-        ports.insert(
-            PortId(988),
-            Port {
-                id: PortId(988),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(989),
-            Port {
-                id: PortId(989),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1240))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(990),
-            Port {
-                id: PortId(990),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(991),
-            Port {
-                id: PortId(991),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(844)),
-            },
-        );
-        ports.insert(
-            PortId(992),
-            Port {
-                id: PortId(992),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(845)),
-            },
-        );
-        ports.insert(
-            PortId(993),
-            Port {
-                id: PortId(993),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1233))),
-                produced_by: Some(NodeId(846)),
-            },
-        );
-        ports.insert(
-            PortId(994),
-            Port {
-                id: PortId(994),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(76))),
-                produced_by: Some(NodeId(847)),
-            },
-        );
-        ports.insert(
-            PortId(995),
-            Port {
-                id: PortId(995),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(848)),
-            },
-        );
-        ports.insert(
-            PortId(996),
-            Port {
-                id: PortId(996),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(849)),
-            },
-        );
-        ports.insert(
-            PortId(997),
-            Port {
-                id: PortId(997),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(850)),
-            },
-        );
-        ports.insert(
-            PortId(998),
-            Port {
-                id: PortId(998),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(851)),
-            },
-        );
-        ports.insert(
-            PortId(999),
-            Port {
-                id: PortId(999),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(852)),
-            },
-        );
-        ports.insert(
-            PortId(1000),
-            Port {
-                id: PortId(1000),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(853)),
-            },
-        );
-        ports.insert(
-            PortId(1001),
-            Port {
-                id: PortId(1001),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(854)),
-            },
-        );
-        ports.insert(
-            PortId(1002),
-            Port {
-                id: PortId(1002),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(855)),
-            },
-        );
-        ports.insert(
-            PortId(1003),
-            Port {
-                id: PortId(1003),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(856)),
-            },
-        );
-        ports.insert(
-            PortId(1004),
-            Port {
-                id: PortId(1004),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(857)),
-            },
-        );
-        ports.insert(
-            PortId(1005),
-            Port {
-                id: PortId(1005),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(858)),
-            },
-        );
-        ports.insert(
-            PortId(1006),
-            Port {
-                id: PortId(1006),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(859)),
-            },
-        );
-        ports.insert(
-            PortId(1007),
-            Port {
-                id: PortId(1007),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(860)),
-            },
-        );
-        ports.insert(
-            PortId(1008),
-            Port {
-                id: PortId(1008),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(861)),
-            },
-        );
-        ports.insert(
-            PortId(1009),
-            Port {
-                id: PortId(1009),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(862)),
-            },
-        );
-        ports.insert(
-            PortId(1010),
-            Port {
-                id: PortId(1010),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(863)),
-            },
-        );
-        ports.insert(
-            PortId(1011),
-            Port {
-                id: PortId(1011),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(864)),
-            },
-        );
-        ports.insert(
-            PortId(1012),
-            Port {
-                id: PortId(1012),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(865)),
-            },
-        );
-        ports.insert(
-            PortId(1013),
-            Port {
-                id: PortId(1013),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1014),
-            Port {
-                id: PortId(1014),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1015),
-            Port {
-                id: PortId(1015),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1016),
-            Port {
-                id: PortId(1016),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(867)),
-            },
-        );
-        ports.insert(
-            PortId(1017),
-            Port {
-                id: PortId(1017),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(868)),
-            },
-        );
-        ports.insert(
-            PortId(1018),
-            Port {
-                id: PortId(1018),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(869)),
-            },
-        );
-        ports.insert(
-            PortId(1019),
-            Port {
-                id: PortId(1019),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(870)),
-            },
-        );
-        ports.insert(
-            PortId(1020),
-            Port {
-                id: PortId(1020),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1021),
-            Port {
-                id: PortId(1021),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(871)),
-            },
-        );
-        ports.insert(
-            PortId(1022),
-            Port {
-                id: PortId(1022),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(872)),
-            },
-        );
-        ports.insert(
-            PortId(1023),
-            Port {
-                id: PortId(1023),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(873)),
-            },
-        );
-        ports.insert(
-            PortId(1024),
-            Port {
-                id: PortId(1024),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(874)),
-            },
-        );
-        ports.insert(
-            PortId(1025),
-            Port {
-                id: PortId(1025),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1026),
-            Port {
-                id: PortId(1026),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(875)),
-            },
-        );
-        ports.insert(
-            PortId(1027),
-            Port {
-                id: PortId(1027),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(876)),
-            },
-        );
-        ports.insert(
-            PortId(1028),
-            Port {
-                id: PortId(1028),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(877)),
-            },
-        );
-        ports.insert(
-            PortId(1029),
-            Port {
-                id: PortId(1029),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(878)),
-            },
-        );
-        ports.insert(
-            PortId(1030),
-            Port {
-                id: PortId(1030),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1031),
-            Port {
-                id: PortId(1031),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(879)),
-            },
-        );
-        ports.insert(
-            PortId(1032),
-            Port {
-                id: PortId(1032),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(880)),
-            },
-        );
-        ports.insert(
-            PortId(1033),
-            Port {
-                id: PortId(1033),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(881)),
-            },
-        );
-        ports.insert(
-            PortId(1034),
-            Port {
-                id: PortId(1034),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(882)),
-            },
-        );
-        ports.insert(
-            PortId(1035),
-            Port {
-                id: PortId(1035),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1036),
-            Port {
-                id: PortId(1036),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(883)),
-            },
-        );
-        ports.insert(
-            PortId(1037),
-            Port {
-                id: PortId(1037),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(884)),
-            },
-        );
-        ports.insert(
-            PortId(1038),
-            Port {
-                id: PortId(1038),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(885)),
-            },
-        );
-        ports.insert(
-            PortId(1039),
-            Port {
-                id: PortId(1039),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(886)),
-            },
-        );
-        ports.insert(
-            PortId(1040),
-            Port {
-                id: PortId(1040),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1041),
-            Port {
-                id: PortId(1041),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(887)),
-            },
-        );
-        ports.insert(
-            PortId(1042),
-            Port {
-                id: PortId(1042),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(888)),
-            },
-        );
-        ports.insert(
-            PortId(1043),
-            Port {
-                id: PortId(1043),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(889)),
-            },
-        );
-        ports.insert(
-            PortId(1044),
-            Port {
-                id: PortId(1044),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(890)),
-            },
-        );
-        ports.insert(
-            PortId(1045),
-            Port {
-                id: PortId(1045),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1046),
-            Port {
-                id: PortId(1046),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(891)),
-            },
-        );
-        ports.insert(
-            PortId(1047),
-            Port {
-                id: PortId(1047),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(892)),
-            },
-        );
-        ports.insert(
-            PortId(1048),
-            Port {
-                id: PortId(1048),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(893)),
-            },
-        );
-        ports.insert(
-            PortId(1049),
-            Port {
-                id: PortId(1049),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(894)),
-            },
-        );
-        ports.insert(
-            PortId(1050),
-            Port {
-                id: PortId(1050),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1051),
-            Port {
-                id: PortId(1051),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(895)),
-            },
-        );
-        ports.insert(
-            PortId(1052),
-            Port {
-                id: PortId(1052),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(896)),
-            },
-        );
-        ports.insert(
-            PortId(1053),
-            Port {
-                id: PortId(1053),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(897)),
-            },
-        );
-        ports.insert(
-            PortId(1054),
-            Port {
-                id: PortId(1054),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(898)),
-            },
-        );
-        ports.insert(
-            PortId(1055),
-            Port {
-                id: PortId(1055),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1056),
-            Port {
-                id: PortId(1056),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(899)),
-            },
-        );
-        ports.insert(
-            PortId(1057),
-            Port {
-                id: PortId(1057),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(900)),
-            },
-        );
-        ports.insert(
-            PortId(1058),
-            Port {
-                id: PortId(1058),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(901)),
-            },
-        );
-        ports.insert(
-            PortId(1059),
-            Port {
-                id: PortId(1059),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(902)),
-            },
-        );
-        ports.insert(
-            PortId(1060),
-            Port {
-                id: PortId(1060),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1061),
-            Port {
-                id: PortId(1061),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(903)),
-            },
-        );
-        ports.insert(
-            PortId(1062),
-            Port {
-                id: PortId(1062),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(904)),
-            },
-        );
-        ports.insert(
-            PortId(1063),
-            Port {
-                id: PortId(1063),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(905)),
-            },
-        );
-        ports.insert(
-            PortId(1064),
-            Port {
-                id: PortId(1064),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(906)),
-            },
-        );
-        ports.insert(
-            PortId(1065),
-            Port {
-                id: PortId(1065),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2242))),
-                produced_by: Some(NodeId(907)),
-            },
-        );
-        ports.insert(
-            PortId(1066),
-            Port {
-                id: PortId(1066),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1067),
-            Port {
-                id: PortId(1067),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1068),
-            Port {
-                id: PortId(1068),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2243))),
-                produced_by: Some(NodeId(909)),
-            },
-        );
-        ports.insert(
-            PortId(1069),
-            Port {
-                id: PortId(1069),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2244))),
-                produced_by: Some(NodeId(911)),
-            },
-        );
-        ports.insert(
-            PortId(1070),
-            Port {
-                id: PortId(1070),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2245))),
-                produced_by: Some(NodeId(913)),
-            },
-        );
-        ports.insert(
-            PortId(1071),
-            Port {
-                id: PortId(1071),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2246))),
-                produced_by: Some(NodeId(915)),
-            },
-        );
-        ports.insert(
-            PortId(1072),
-            Port {
-                id: PortId(1072),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2247))),
-                produced_by: Some(NodeId(917)),
-            },
-        );
-        ports.insert(
-            PortId(1073),
-            Port {
-                id: PortId(1073),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2248))),
-                produced_by: Some(NodeId(919)),
-            },
-        );
-        ports.insert(
-            PortId(1074),
-            Port {
-                id: PortId(1074),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2250))),
-                produced_by: Some(NodeId(921)),
-            },
-        );
-        ports.insert(
-            PortId(1075),
-            Port {
-                id: PortId(1075),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1076),
-            Port {
-                id: PortId(1076),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(923)),
-            },
-        );
-        ports.insert(
-            PortId(1077),
-            Port {
-                id: PortId(1077),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(924)),
-            },
-        );
-        ports.insert(
-            PortId(1078),
-            Port {
-                id: PortId(1078),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2252))),
-                produced_by: Some(NodeId(925)),
-            },
-        );
-        ports.insert(
-            PortId(1079),
-            Port {
-                id: PortId(1079),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1080),
-            Port {
-                id: PortId(1080),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(927)),
-            },
-        );
-        ports.insert(
-            PortId(1081),
-            Port {
-                id: PortId(1081),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2253))),
-                produced_by: Some(NodeId(928)),
-            },
-        );
-        ports.insert(
-            PortId(1082),
-            Port {
-                id: PortId(1082),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1083),
-            Port {
-                id: PortId(1083),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(930)),
-            },
-        );
-        ports.insert(
-            PortId(1084),
-            Port {
-                id: PortId(1084),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(931)),
-            },
-        );
-        ports.insert(
-            PortId(1085),
-            Port {
-                id: PortId(1085),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2254))),
-                produced_by: Some(NodeId(932)),
-            },
-        );
-        ports.insert(
-            PortId(1086),
-            Port {
-                id: PortId(1086),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1087),
-            Port {
-                id: PortId(1087),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1088),
-            Port {
-                id: PortId(1088),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(934)),
-            },
-        );
-        ports.insert(
-            PortId(1089),
-            Port {
-                id: PortId(1089),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(935)),
-            },
-        );
-        ports.insert(
-            PortId(1090),
-            Port {
-                id: PortId(1090),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(936)),
-            },
-        );
-        ports.insert(
-            PortId(1091),
-            Port {
-                id: PortId(1091),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2255))),
-                produced_by: Some(NodeId(937)),
-            },
-        );
-        ports.insert(
-            PortId(1092),
-            Port {
-                id: PortId(1092),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1093),
-            Port {
-                id: PortId(1093),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1094),
-            Port {
-                id: PortId(1094),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(939)),
-            },
-        );
-        ports.insert(
-            PortId(1095),
-            Port {
-                id: PortId(1095),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(940)),
-            },
-        );
-        ports.insert(
-            PortId(1096),
-            Port {
-                id: PortId(1096),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1097),
-            Port {
-                id: PortId(1097),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(941)),
-            },
-        );
-        ports.insert(
-            PortId(1098),
-            Port {
-                id: PortId(1098),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(942)),
-            },
-        );
-        ports.insert(
-            PortId(1099),
-            Port {
-                id: PortId(1099),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(943)),
-            },
-        );
-        ports.insert(
-            PortId(1100),
-            Port {
-                id: PortId(1100),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2256))),
-                produced_by: Some(NodeId(944)),
-            },
-        );
-        ports.insert(
-            PortId(1101),
-            Port {
-                id: PortId(1101),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1102),
-            Port {
-                id: PortId(1102),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1103),
-            Port {
-                id: PortId(1103),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1055))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1104),
-            Port {
-                id: PortId(1104),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(946)),
-            },
-        );
-        ports.insert(
-            PortId(1105),
-            Port {
-                id: PortId(1105),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(947)),
-            },
-        );
-        ports.insert(
-            PortId(1106),
-            Port {
-                id: PortId(1106),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1107),
-            Port {
-                id: PortId(1107),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(948)),
-            },
-        );
-        ports.insert(
-            PortId(1108),
-            Port {
-                id: PortId(1108),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(949)),
-            },
-        );
-        ports.insert(
-            PortId(1109),
-            Port {
-                id: PortId(1109),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(950)),
-            },
-        );
-        ports.insert(
-            PortId(1110),
-            Port {
-                id: PortId(1110),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2257))),
-                produced_by: Some(NodeId(951)),
-            },
-        );
-        ports.insert(
-            PortId(1111),
-            Port {
-                id: PortId(1111),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1112),
-            Port {
-                id: PortId(1112),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1234))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1113),
-            Port {
-                id: PortId(1113),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1060))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1114),
-            Port {
-                id: PortId(1114),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(953)),
-            },
-        );
-        ports.insert(
-            PortId(1115),
-            Port {
-                id: PortId(1115),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1116),
-            Port {
-                id: PortId(1116),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(954)),
-            },
-        );
-        ports.insert(
-            PortId(1117),
-            Port {
-                id: PortId(1117),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(955)),
-            },
-        );
-        ports.insert(
-            PortId(1118),
-            Port {
-                id: PortId(1118),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2258))),
-                produced_by: Some(NodeId(956)),
-            },
-        );
-        ports.insert(
-            PortId(1119),
-            Port {
-                id: PortId(1119),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1120),
-            Port {
-                id: PortId(1120),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2259))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1121),
-            Port {
-                id: PortId(1121),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1122),
-            Port {
-                id: PortId(1122),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(958)),
-            },
-        );
-        ports.insert(
-            PortId(1123),
-            Port {
-                id: PortId(1123),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(959)),
-            },
-        );
-        ports.insert(
-            PortId(1124),
-            Port {
-                id: PortId(1124),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1125),
-            Port {
-                id: PortId(1125),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(960)),
-            },
-        );
-        ports.insert(
-            PortId(1126),
-            Port {
-                id: PortId(1126),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(961)),
-            },
-        );
-        ports.insert(
-            PortId(1127),
-            Port {
-                id: PortId(1127),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1128),
-            Port {
-                id: PortId(1128),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(962)),
-            },
-        );
-        ports.insert(
-            PortId(1129),
-            Port {
-                id: PortId(1129),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(963)),
-            },
-        );
-        ports.insert(
-            PortId(1130),
-            Port {
-                id: PortId(1130),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(964)),
-            },
-        );
-        ports.insert(
-            PortId(1131),
-            Port {
-                id: PortId(1131),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(965)),
-            },
-        );
-        ports.insert(
-            PortId(1132),
-            Port {
-                id: PortId(1132),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1133),
-            Port {
-                id: PortId(1133),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(966)),
-            },
-        );
-        ports.insert(
-            PortId(1134),
-            Port {
-                id: PortId(1134),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(967)),
-            },
-        );
-        ports.insert(
-            PortId(1135),
-            Port {
-                id: PortId(1135),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(968)),
-            },
-        );
-        ports.insert(
-            PortId(1136),
-            Port {
-                id: PortId(1136),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(969)),
-            },
-        );
-        ports.insert(
-            PortId(1137),
-            Port {
-                id: PortId(1137),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(970)),
-            },
-        );
-        ports.insert(
-            PortId(1138),
-            Port {
-                id: PortId(1138),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1139),
-            Port {
-                id: PortId(1139),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(971)),
-            },
-        );
-        ports.insert(
-            PortId(1140),
-            Port {
-                id: PortId(1140),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(972)),
-            },
-        );
-        ports.insert(
-            PortId(1141),
-            Port {
-                id: PortId(1141),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(973)),
-            },
-        );
-        ports.insert(
-            PortId(1142),
-            Port {
-                id: PortId(1142),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(974)),
-            },
-        );
-        ports.insert(
-            PortId(1143),
-            Port {
-                id: PortId(1143),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(975)),
-            },
-        );
-        ports.insert(
-            PortId(1144),
-            Port {
-                id: PortId(1144),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(976)),
-            },
-        );
-        ports.insert(
-            PortId(1145),
-            Port {
-                id: PortId(1145),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2260))),
-                produced_by: Some(NodeId(977)),
-            },
-        );
-        ports.insert(
-            PortId(1146),
-            Port {
-                id: PortId(1146),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(839))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1147),
-            Port {
-                id: PortId(1147),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(838))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1148),
-            Port {
-                id: PortId(1148),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(979)),
-            },
-        );
-        ports.insert(
-            PortId(1149),
-            Port {
-                id: PortId(1149),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(980)),
-            },
-        );
-        ports.insert(
-            PortId(1150),
-            Port {
-                id: PortId(1150),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(981)),
-            },
-        );
-        ports.insert(
-            PortId(1151),
-            Port {
-                id: PortId(1151),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(982)),
-            },
-        );
-        ports.insert(
-            PortId(1152),
-            Port {
-                id: PortId(1152),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(983)),
-            },
-        );
-        ports.insert(
-            PortId(1153),
-            Port {
-                id: PortId(1153),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(984)),
-            },
-        );
-        ports.insert(
-            PortId(1154),
-            Port {
-                id: PortId(1154),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(2261))),
-                produced_by: Some(NodeId(985)),
-            },
-        );
-        ports.insert(
-            PortId(1155),
-            Port {
-                id: PortId(1155),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1323))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1156),
-            Port {
-                id: PortId(1156),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1157),
-            Port {
-                id: PortId(1157),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(987)),
-            },
-        );
-        ports.insert(
-            PortId(1158),
-            Port {
-                id: PortId(1158),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1159),
-            Port {
-                id: PortId(1159),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(988)),
-            },
-        );
-        ports.insert(
-            PortId(1160),
-            Port {
-                id: PortId(1160),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(1325))),
-                produced_by: Some(NodeId(989)),
-            },
-        );
-        ports.insert(
-            PortId(1161),
-            Port {
-                id: PortId(1161),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(817))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1162),
-            Port {
-                id: PortId(1162),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1163),
-            Port {
-                id: PortId(1163),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(991)),
-            },
-        );
-        ports.insert(
-            PortId(1164),
-            Port {
-                id: PortId(1164),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(992)),
-            },
-        );
-        ports.insert(
-            PortId(1165),
-            Port {
-                id: PortId(1165),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(993)),
-            },
-        );
-        ports.insert(
-            PortId(1166),
-            Port {
-                id: PortId(1166),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(994)),
-            },
-        );
-        ports.insert(
-            PortId(1167),
-            Port {
-                id: PortId(1167),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(995)),
-            },
-        );
-        ports.insert(
-            PortId(1168),
-            Port {
-                id: PortId(1168),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1169),
-            Port {
-                id: PortId(1169),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(996)),
-            },
-        );
-        ports.insert(
-            PortId(1170),
-            Port {
-                id: PortId(1170),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(997)),
-            },
-        );
-        ports.insert(
-            PortId(1171),
-            Port {
-                id: PortId(1171),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(998)),
-            },
-        );
-        ports.insert(
-            PortId(1172),
-            Port {
-                id: PortId(1172),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(999)),
-            },
-        );
-        ports.insert(
-            PortId(1173),
-            Port {
-                id: PortId(1173),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1000)),
-            },
-        );
-        ports.insert(
-            PortId(1174),
-            Port {
-                id: PortId(1174),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1001)),
-            },
-        );
-        ports.insert(
-            PortId(1175),
-            Port {
-                id: PortId(1175),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1002)),
-            },
-        );
-        ports.insert(
-            PortId(1176),
-            Port {
-                id: PortId(1176),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1177),
-            Port {
-                id: PortId(1177),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1003)),
-            },
-        );
-        ports.insert(
-            PortId(1178),
-            Port {
-                id: PortId(1178),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1004)),
-            },
-        );
-        ports.insert(
-            PortId(1179),
-            Port {
-                id: PortId(1179),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1005)),
-            },
-        );
-        ports.insert(
-            PortId(1180),
-            Port {
-                id: PortId(1180),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: Some(NodeId(1006)),
-            },
-        );
-        ports.insert(
-            PortId(1181),
-            Port {
-                id: PortId(1181),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(817))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1182),
-            Port {
-                id: PortId(1182),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1183),
-            Port {
-                id: PortId(1183),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1008)),
-            },
-        );
-        ports.insert(
-            PortId(1184),
-            Port {
-                id: PortId(1184),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1009)),
-            },
-        );
-        ports.insert(
-            PortId(1185),
-            Port {
-                id: PortId(1185),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1010)),
-            },
-        );
-        ports.insert(
-            PortId(1186),
-            Port {
-                id: PortId(1186),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1011)),
-            },
-        );
-        ports.insert(
-            PortId(1187),
-            Port {
-                id: PortId(1187),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1012)),
-            },
-        );
-        ports.insert(
-            PortId(1188),
-            Port {
-                id: PortId(1188),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1189),
-            Port {
-                id: PortId(1189),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1013)),
-            },
-        );
-        ports.insert(
-            PortId(1190),
-            Port {
-                id: PortId(1190),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1014)),
-            },
-        );
-        ports.insert(
-            PortId(1191),
-            Port {
-                id: PortId(1191),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1015)),
-            },
-        );
-        ports.insert(
-            PortId(1192),
-            Port {
-                id: PortId(1192),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1016)),
-            },
-        );
-        ports.insert(
-            PortId(1193),
-            Port {
-                id: PortId(1193),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1017)),
-            },
-        );
-        ports.insert(
-            PortId(1194),
-            Port {
-                id: PortId(1194),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1018)),
-            },
-        );
-        ports.insert(
-            PortId(1195),
-            Port {
-                id: PortId(1195),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1019)),
-            },
-        );
-        ports.insert(
-            PortId(1196),
-            Port {
-                id: PortId(1196),
-                state: PortState::Uninferred,
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1197),
-            Port {
-                id: PortId(1197),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1020)),
-            },
-        );
-        ports.insert(
-            PortId(1198),
-            Port {
-                id: PortId(1198),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1021)),
-            },
-        );
-        ports.insert(
-            PortId(1199),
-            Port {
-                id: PortId(1199),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1022)),
-            },
-        );
-        ports.insert(
-            PortId(1200),
-            Port {
-                id: PortId(1200),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: Some(NodeId(1023)),
-            },
-        );
-        ports.insert(
-            PortId(1201),
-            Port {
-                id: PortId(1201),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1202),
-            Port {
-                id: PortId(1202),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1025)),
-            },
-        );
-        ports.insert(
-            PortId(1203),
-            Port {
-                id: PortId(1203),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1026)),
-            },
-        );
-        ports.insert(
-            PortId(1204),
-            Port {
-                id: PortId(1204),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1027)),
-            },
-        );
-        ports.insert(
-            PortId(1205),
-            Port {
-                id: PortId(1205),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1028)),
-            },
-        );
-        ports.insert(
-            PortId(1206),
-            Port {
-                id: PortId(1206),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1029)),
-            },
-        );
-        ports
-    }
-}
-
-fn bootstrapped_fixture_without_parse_surface_dag_diagnostics() -> DiagnosticTable {
-    DiagnosticTable::new()
-}
-
-fn bootstrapped_fixture_without_parse_surface_dag_clusters() -> Vec<Cluster> {
-    vec![]
-}
-
-fn bootstrapped_fixture_without_parse_surface_dag_optional_match_disjs(
-) -> HashMap<DeclarationId, DeclarationId> {
-    {
-        let mut map = HashMap::new();
-        map.insert(DeclarationId(386), DeclarationId(2530));
-        map.insert(DeclarationId(388), DeclarationId(2533));
-        map.insert(DeclarationId(424), DeclarationId(2536));
-        map.insert(DeclarationId(470), DeclarationId(2539));
-        map.insert(DeclarationId(471), DeclarationId(2542));
-        map.insert(DeclarationId(472), DeclarationId(2545));
-        map.insert(DeclarationId(524), DeclarationId(2548));
-        map.insert(DeclarationId(526), DeclarationId(2551));
-        map.insert(DeclarationId(527), DeclarationId(2554));
-        map.insert(DeclarationId(528), DeclarationId(2557));
-        map.insert(DeclarationId(552), DeclarationId(2560));
-        map.insert(DeclarationId(595), DeclarationId(2563));
-        map.insert(DeclarationId(615), DeclarationId(2566));
-        map.insert(DeclarationId(616), DeclarationId(2569));
-        map.insert(DeclarationId(618), DeclarationId(2572));
-        map.insert(DeclarationId(621), DeclarationId(2575));
-        map.insert(DeclarationId(626), DeclarationId(2578));
-        map.insert(DeclarationId(627), DeclarationId(2581));
-        map.insert(DeclarationId(631), DeclarationId(2584));
-        map.insert(DeclarationId(632), DeclarationId(2587));
-        map.insert(DeclarationId(633), DeclarationId(2590));
-        map.insert(DeclarationId(638), DeclarationId(2593));
-        map.insert(DeclarationId(1479), DeclarationId(2596));
-        map.insert(DeclarationId(1480), DeclarationId(2599));
-        map.insert(DeclarationId(1484), DeclarationId(2602));
-        map.insert(DeclarationId(1487), DeclarationId(2605));
-        map.insert(DeclarationId(1536), DeclarationId(2608));
-        map.insert(DeclarationId(1537), DeclarationId(2611));
-        map.insert(DeclarationId(1538), DeclarationId(2614));
-        map.insert(DeclarationId(1539), DeclarationId(2617));
-        map.insert(DeclarationId(1540), DeclarationId(2620));
-        map.insert(DeclarationId(1541), DeclarationId(2623));
-        map.insert(DeclarationId(1547), DeclarationId(2626));
-        map.insert(DeclarationId(1603), DeclarationId(2629));
-        map.insert(DeclarationId(1606), DeclarationId(2632));
-        map.insert(DeclarationId(1607), DeclarationId(2635));
-        map.insert(DeclarationId(1608), DeclarationId(2638));
-        map.insert(DeclarationId(1609), DeclarationId(2641));
-        map.insert(DeclarationId(1632), DeclarationId(2644));
-        map.insert(DeclarationId(1637), DeclarationId(2647));
-        map.insert(DeclarationId(1641), DeclarationId(2650));
-        map.insert(DeclarationId(1644), DeclarationId(2653));
-        map.insert(DeclarationId(1645), DeclarationId(2656));
-        map.insert(DeclarationId(1674), DeclarationId(2659));
-        map.insert(DeclarationId(1675), DeclarationId(2662));
-        map.insert(DeclarationId(1679), DeclarationId(2665));
-        map.insert(DeclarationId(1680), DeclarationId(2668));
-        map.insert(DeclarationId(1691), DeclarationId(2671));
-        map.insert(DeclarationId(1692), DeclarationId(2674));
-        map.insert(DeclarationId(1694), DeclarationId(2677));
-        map.insert(DeclarationId(1695), DeclarationId(2680));
-        map.insert(DeclarationId(1697), DeclarationId(2683));
-        map.insert(DeclarationId(1698), DeclarationId(2686));
-        map.insert(DeclarationId(1700), DeclarationId(2689));
-        map.insert(DeclarationId(1702), DeclarationId(2692));
-        map.insert(DeclarationId(1705), DeclarationId(2695));
-        map.insert(DeclarationId(1709), DeclarationId(2698));
-        map.insert(DeclarationId(1711), DeclarationId(2701));
-        map.insert(DeclarationId(1713), DeclarationId(2704));
-        map.insert(DeclarationId(1726), DeclarationId(2707));
-        map.insert(DeclarationId(1727), DeclarationId(2710));
-        map.insert(DeclarationId(1728), DeclarationId(2713));
-        map.insert(DeclarationId(1731), DeclarationId(2716));
-        map.insert(DeclarationId(1732), DeclarationId(2719));
-        map.insert(DeclarationId(1734), DeclarationId(2722));
-        map.insert(DeclarationId(1735), DeclarationId(2725));
-        map.insert(DeclarationId(1769), DeclarationId(2728));
-        map.insert(DeclarationId(1805), DeclarationId(2731));
-        map.insert(DeclarationId(1806), DeclarationId(2734));
-        map.insert(DeclarationId(1807), DeclarationId(2737));
-        map.insert(DeclarationId(1808), DeclarationId(2740));
-        map.insert(DeclarationId(1859), DeclarationId(2743));
-        map.insert(DeclarationId(1860), DeclarationId(2746));
-        map.insert(DeclarationId(1861), DeclarationId(2749));
-        map.insert(DeclarationId(1862), DeclarationId(2752));
-        map.insert(DeclarationId(1863), DeclarationId(2755));
-        map.insert(DeclarationId(1864), DeclarationId(2758));
-        map.insert(DeclarationId(1887), DeclarationId(2761));
-        map.insert(DeclarationId(2054), DeclarationId(2764));
-        map.insert(DeclarationId(2055), DeclarationId(2767));
-        map.insert(DeclarationId(2056), DeclarationId(2770));
-        map.insert(DeclarationId(2059), DeclarationId(2773));
-        map.insert(DeclarationId(2060), DeclarationId(2776));
-        map.insert(DeclarationId(2089), DeclarationId(2779));
-        map.insert(DeclarationId(2090), DeclarationId(2782));
-        map.insert(DeclarationId(2096), DeclarationId(2785));
-        map.insert(DeclarationId(2097), DeclarationId(2788));
-        map.insert(DeclarationId(2098), DeclarationId(2791));
-        map.insert(DeclarationId(2099), DeclarationId(2794));
-        map.insert(DeclarationId(2100), DeclarationId(2797));
-        map.insert(DeclarationId(2101), DeclarationId(2800));
-        map.insert(DeclarationId(2362), DeclarationId(2803));
-        map.insert(DeclarationId(2391), DeclarationId(2806));
-        map.insert(DeclarationId(2397), DeclarationId(2809));
-        map.insert(DeclarationId(2402), DeclarationId(2812));
-        map.insert(DeclarationId(2405), DeclarationId(2815));
-        map.insert(DeclarationId(2406), DeclarationId(2818));
-        map.insert(DeclarationId(2426), DeclarationId(2821));
-        map.insert(DeclarationId(2427), DeclarationId(2824));
-        map.insert(DeclarationId(2435), DeclarationId(2827));
-        map.insert(DeclarationId(2439), DeclarationId(2830));
-        map.insert(DeclarationId(2441), DeclarationId(2833));
-        map.insert(DeclarationId(2442), DeclarationId(2836));
-        map.insert(DeclarationId(2443), DeclarationId(2839));
-        map.insert(DeclarationId(2444), DeclarationId(2842));
-        map.insert(DeclarationId(2445), DeclarationId(2845));
-        map.insert(DeclarationId(2451), DeclarationId(2848));
-        map.insert(DeclarationId(2453), DeclarationId(2851));
-        map.insert(DeclarationId(2454), DeclarationId(2854));
-        map.insert(DeclarationId(2466), DeclarationId(2857));
-        map.insert(DeclarationId(2467), DeclarationId(2860));
-        map.insert(DeclarationId(2469), DeclarationId(2863));
-        map.insert(DeclarationId(2470), DeclarationId(2866));
-        map.insert(DeclarationId(2471), DeclarationId(2869));
-        map.insert(DeclarationId(2472), DeclarationId(2872));
-        map.insert(DeclarationId(2474), DeclarationId(2875));
-        map.insert(DeclarationId(2475), DeclarationId(2878));
-        map.insert(DeclarationId(2477), DeclarationId(2881));
-        map.insert(DeclarationId(2479), DeclarationId(2884));
-        map.insert(DeclarationId(2480), DeclarationId(2887));
-        map.insert(DeclarationId(2481), DeclarationId(2890));
-        map.insert(DeclarationId(2488), DeclarationId(2893));
-        map.insert(DeclarationId(2489), DeclarationId(2896));
-        map.insert(DeclarationId(2490), DeclarationId(2899));
-        map.insert(DeclarationId(2492), DeclarationId(2902));
-        map.insert(DeclarationId(2493), DeclarationId(2905));
-        map.insert(DeclarationId(2494), DeclarationId(2908));
-        map.insert(DeclarationId(2496), DeclarationId(2911));
-        map.insert(DeclarationId(2497), DeclarationId(2914));
-        map.insert(DeclarationId(2498), DeclarationId(2917));
-        map.insert(DeclarationId(2505), DeclarationId(2920));
-        map.insert(DeclarationId(2507), DeclarationId(2923));
-        map.insert(DeclarationId(2518), DeclarationId(2926));
-        map
-    }
-}
diff --git a/src/v3/compiler/src/bootstrap_regen_fresh.rs b/src/v3/compiler/src/bootstrap_regen_fresh.rs
deleted file mode 100644
index 444119178b7..00000000000
--- a/src/v3/compiler/src/bootstrap_regen_fresh.rs
+++ /dev/null
@@ -1,318 +0,0 @@
-//! Fresh tokenize/parse/lower bootstrap from on-disk `.dag` authorities.
-//!
-//! This module is compiled **only** with Cargo feature `bootstrap-regen-fresh`
-//! (the `regen_bootstrap` binary enables it via `required-features`). It is not
-//! a second production bootstrap authority: `Dag::new()` loads the committed
-//! `bootstrap_generated.rs` snapshot. Per PB-1-e mechanism (ii), the
-//! fresh-compile-vs-snapshot acid test runs at `regen_bootstrap` time
-//! (`--verify`), not in the default integration test suite.
-//!
-//! **Classification:** permanent PB-1-e **regen verification** substrate (not
-//! the old “delete once the drift harness stops needing runtime std” scaffold).
-//! **Dissolution:** when PB-Bootstrap-Process replaces this hand-Rust regen
-//! host with a declared `bootstrap.dag` / generated producer path, delete this
-//! module in favor of that single authority — same cost-of-change rule as the
-//! retired `bootstrap_std_fixtures_only` dissolution trigger, reframed for
-//! “regen host goes data-native” rather than “in-tree tests stop diffing.”
-//!
-//! **P5 receipt** (`INVARIANTS.md` §P5 Dispatch-Discipline Mechanisms (b), explicit
-//! deferral): `docs/briefs/pb1-e-parse-surface-free-bootstrap-regen-p5-receipt.md`
-//! cites lane **T-PB-A** and concrete `ROADMAP.md` rows for this file’s continued
-//! hand-Rust (including `WITHOUT_PARSE_SURFACE_EXCLUDED_FIXTURE_PATHS` /
-//! `load_runtime_bootstrap_authorities` spec filtering for the parse-surface-free
-//! snapshot).
-
-use crate::dag::{Dag, DeclarationId, RuntimeBootstrapFixtureKind};
-use crate::lower::{collect_symbols_phase, lower_bodies_phase, resolve_pending_identifiers};
-use crate::parse::{parse, SurfaceModule};
-use crate::tokenize::tokenize;
-use std::collections::HashMap;
-
-const LOGIC_DAG: &str = include_str!("../../../../dsl/std/logic.dag");
-const BIT_DAG: &str = include_str!("../../../../dsl/std/bit.dag");
-const ERROR_PRIMITIVES_DAG: &str = include_str!("../../../../dsl/std/error_primitives.dag");
-const ALGEBRA_DAG: &str = include_str!("../../../../dsl/std/algebra.dag");
-const MAGNITUDE_DAG: &str = include_str!("../../../../dsl/std/magnitude.dag");
-const MACHINE_CONSTRAINTS_DAG: &str = include_str!("../../../../dsl/std/machine_constraints.dag");
-const NAT_DAG: &str = include_str!("../../../../dsl/std/nat.dag");
-const INTEGER_DAG: &str = include_str!("../../../../dsl/std/integer.dag");
-const RATIONAL_DAG: &str = include_str!("../../../../dsl/std/rational.dag");
-/// Loaded before `dsl/std/float.dag` so `ApproximateField<F>` exists while lowering
-/// `type Real = ApproximateField<FieldOfFractions<Int>>` (import resolves to a real
-/// template, not an identifier stub — otherwise generic args drop).
-const APPROXIMATE_FIELD_BOOTSTRAP_PATH: &str = "src/v3/std/approximate_field.dag";
-const APPROXIMATE_FIELD_DAG: &str = include_str!("../../../../src/v3/std/approximate_field.dag");
-const FLOAT_DAG: &str = include_str!("../../../../dsl/std/float.dag");
-const STRING_TYPE_DAG: &str = include_str!("../../../../dsl/std/string_type.dag");
-const TYPES_DAG: &str = include_str!("../../../../dsl/std/types.dag");
-const UNICODE_DAG: &str = include_str!("../../../../dsl/std/unicode.dag");
-const RENDER_REPEAT_STRING_BOOTSTRAP_DAG: &str =
-    include_str!("../../../../dsl/std/render_repeat_string_bootstrap.dag");
-const METHODS_DAG: &str = include_str!("../../../../dsl/std/methods.dag");
-const SERIALIZATION_DAG: &str = include_str!("../../../../dsl/std/serialization.dag");
-
-// Same `OUT_DIR` fixture arrays `build.rs` emits for staged/spec/compiler/extdeps sources;
-// this module is their only remaining fresh-parse consumer.
-include!(concat!(env!("OUT_DIR"), "/v3_staged_files.rs"));
-include!(concat!(env!("OUT_DIR"), "/v3_specs.rs"));
-include!(concat!(env!("OUT_DIR"), "/v3_compiler_files.rs"));
-include!(concat!(env!("OUT_DIR"), "/v3_extdeps_files.rs"));
-
-// `BOOTSTRAP_FIXTURE_PATH_KEYS` may resolve against either STAGED_FILES or
-// EXTDEPS_FILES (mixed-tree fixture set per T-Ground-LanguageSpec scope E.1).
-// STAGED_FILES are already loaded via `staged_iter` in
-// `load_runtime_bootstrap_authorities`, so this iterator returns only the
-// extdeps-tree subset of the keys to avoid duplicate-declaration loads.
-fn extdeps_keyed_bootstrap_fixtures() -> impl Iterator<Item = (&'static str, &'static str)> {
-    crate::bootstrap::BOOTSTRAP_FIXTURE_PATH_KEYS
-        .iter()
-        .copied()
-        .filter_map(|key| EXTDEPS_FILES.iter().find(|(path, _)| *path == key).copied())
-}
-
-// Single authority for staged-vs-`dsl/` name collision resolution during regen.
-// The committed `bootstrap_generated.rs` snapshot was baked with this policy; any
-// future runtime path that re-parses the same fixture set must keep this logic
-// in lockstep (cost of change: one module — extend here only).
-fn declaration_name_preference_rank(file: &str) -> usize {
-    if file.starts_with("src/v3/") {
-        2
-    } else if file.starts_with("dsl/") {
-        0
-    } else {
-        1
-    }
-}
-
-pub fn compile_std_bootstrap_dag() -> Dag {
-    let mut dag = Dag::empty();
-    load_fixtures(&mut dag, std_fixtures());
-    dag.finalize_runtime_bootstrap_from_generated_snapshot(
-        RuntimeBootstrapFixtureKind::StdOnlySnapshot,
-    );
-    dag
-}
-
-pub fn compile_full_bootstrap_dag_from_std_seed(std_seed: Dag) -> Dag {
-    let mut dag = std_seed;
-    load_runtime_bootstrap_authorities(&mut dag, &[], &[]);
-    dag
-}
-
-/// Staged/spec authorities omitted when composing the parse-surface-free bootstrap
-/// snapshot (`bootstrap_generated_without_parse_surface.rs`).
-///
-/// `parse_surface.dag` defines the `DeclarationRef` targets for surface-shaped
-/// records in `rust.dag` / `go.dag` / `python.dag`. Loading those specs without
-/// `parse_surface` leaves resolve diagnostics in the DAG — forbidden for committed
-/// bootstrap snapshots (PB-1-e / fail-closed substrate).
-const WITHOUT_PARSE_SURFACE_EXCLUDED_FIXTURE_PATHS: &[&str] = &[
-    "src/v3/std/parse_surface.dag",
-    "src/v3/spec/rust.dag",
-    "src/v3/spec/go.dag",
-    "src/v3/spec/python.dag",
-];
-
-pub fn compile_full_bootstrap_without_parse_surface_dag_from_std_seed(std_seed: Dag) -> Dag {
-    let mut dag = std_seed;
-    load_runtime_bootstrap_authorities(&mut dag, WITHOUT_PARSE_SURFACE_EXCLUDED_FIXTURE_PATHS, &[]);
-    dag
-}
-
-fn load_runtime_bootstrap_authorities(
-    dag: &mut Dag,
-    excluded_authority_paths: &[&str],
-    excluded_compiler_paths: &[&str],
-) {
-    let staged_iter = STAGED_FILES
-        .iter()
-        .copied()
-        .filter(|(path, _)| !excluded_authority_paths.contains(path))
-        .filter(|(path, _)| *path != APPROXIMATE_FIELD_BOOTSTRAP_PATH);
-    let spec_iter = V3_SPECS
-        .iter()
-        .copied()
-        .filter(|(path, _)| !excluded_authority_paths.contains(path));
-    let compiler_iter = COMPILER_FILES
-        .iter()
-        .copied()
-        .filter(|(path, _)| !excluded_compiler_paths.contains(path));
-    assert_bootstrap_fixture_keys_resolve();
-    let fixtures: Vec<(&'static str, &'static str)> = staged_iter
-        .chain(spec_iter)
-        .chain(compiler_iter)
-        .chain(extdeps_keyed_bootstrap_fixtures())
-        .collect();
-    load_fixtures(dag, &fixtures);
-    crate::bootstrap::materialize_pipeline_realizations(dag);
-    // Materialize `optional_match_disjs` for `T?` fields so substrate helpers and
-    // evaluator harnesses can use `Dag::optional_match_disj` on the embedded graph.
-    // Full `infer::infer` is intentionally **not** run here: the PB-1 snapshot is a
-    // lowered structural cache; mixing the interactive inference fixpoint into the
-    // embedded graph drifts callable/stamping contracts vs `compile_to_dag`.
-    crate::infer::ensure_all_optional_match_disjs(dag);
-    dag.finalize_runtime_bootstrap_from_generated_snapshot(
-        RuntimeBootstrapFixtureKind::FullExtdepsPipelineSnapshot,
-    );
-}
-
-fn assert_bootstrap_fixture_keys_resolve() {
-    let missing: Vec<&str> = crate::bootstrap::BOOTSTRAP_FIXTURE_PATH_KEYS
-        .iter()
-        .copied()
-        .filter(|key| {
-            !STAGED_FILES.iter().any(|(path, _)| *path == *key)
-                && !EXTDEPS_FILES.iter().any(|(path, _)| *path == *key)
-        })
-        .collect();
-    assert!(
-        missing.is_empty(),
-        "BOOTSTRAP_FIXTURE_PATH_KEYS must each appear in STAGED_FILES or EXTDEPS_FILES \
-         (from build.rs): {missing:?}"
-    );
-}
-
-fn std_fixtures() -> &'static [(&'static str, &'static str)] {
-    &[
-        ("dsl/std/logic.dag", LOGIC_DAG),
-        ("dsl/std/bit.dag", BIT_DAG),
-        ("dsl/std/error_primitives.dag", ERROR_PRIMITIVES_DAG),
-        ("dsl/std/algebra.dag", ALGEBRA_DAG),
-        ("dsl/std/magnitude.dag", MAGNITUDE_DAG),
-        ("dsl/std/machine_constraints.dag", MACHINE_CONSTRAINTS_DAG),
-        ("dsl/std/nat.dag", NAT_DAG),
-        ("dsl/std/integer.dag", INTEGER_DAG),
-        ("dsl/std/rational.dag", RATIONAL_DAG),
-        (APPROXIMATE_FIELD_BOOTSTRAP_PATH, APPROXIMATE_FIELD_DAG),
-        ("dsl/std/float.dag", FLOAT_DAG),
-        ("dsl/std/types.dag", TYPES_DAG),
-        ("dsl/std/string_type.dag", STRING_TYPE_DAG),
-        ("dsl/std/unicode.dag", UNICODE_DAG),
-        (
-            "dsl/std/render_repeat_string_bootstrap.dag",
-            RENDER_REPEAT_STRING_BOOTSTRAP_DAG,
-        ),
-        ("dsl/std/methods.dag", METHODS_DAG),
-        ("dsl/std/serialization.dag", SERIALIZATION_DAG),
-    ]
-}
-
-fn load_fixtures(dag: &mut Dag, fixtures: &[(&'static str, &'static str)]) {
-    let mut parsed: Vec<(SurfaceModule, Vec<bool>)> = Vec::with_capacity(fixtures.len());
-    for (file, source) in fixtures.iter() {
-        let Some(module) = parse_fixture(dag, source, file) else {
-            continue;
-        };
-        let (_stale_symbols, is_first) = collect_symbols_phase(dag, &module.items);
-        parsed.push((module, is_first));
-    }
-
-    let mut shared_symbols: HashMap<String, DeclarationId> = HashMap::new();
-    for d in dag.declarations() {
-        if let Some(name) = &d.name {
-            match shared_symbols.get(name).copied() {
-                None => {
-                    shared_symbols.insert(name.clone(), d.id);
-                }
-                Some(existing_id) => {
-                    let existing = dag.declaration(existing_id);
-                    let new_rank = declaration_name_preference_rank(&d.span.file);
-                    let existing_rank = declaration_name_preference_rank(&existing.span.file);
-                    if new_rank > existing_rank {
-                        shared_symbols.insert(name.clone(), d.id);
-                    }
-                }
-            }
-        }
-    }
-
-    for (module, is_first) in parsed.iter() {
-        lower_bodies_phase(dag, module, &shared_symbols, is_first);
-    }
-
-    resolve_pending_identifiers(dag);
-}
-
-fn parse_fixture(dag: &mut Dag, source: &str, file: &'static str) -> Option<SurfaceModule> {
-    let authority = crate::diagnostics::BootstrapAuthorityKey::new(file);
-    let tokens = match tokenize(source, file) {
-        Ok(t) => t,
-        Err(diag) => {
-            dag.attach_bootstrap_diagnostic(authority, diag);
-            return None;
-        }
-    };
-    match parse(&tokens, file) {
-        Ok(m) => Some(m),
-        Err(diag) => {
-            dag.attach_bootstrap_diagnostic(authority, diag);
-            None
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    //! Bootstrap-side coverage of `BootstrapAuthorityKey` /
-    //! `DiagnosticAttribution::BootstrapAuthority` for the
-    //! parse/tokenize attach path. Sibling unit tests in
-    //! `crate::diagnostics` cover the type-level invariants;
-    //! `crate::bootstrap::tests` covers the kernel-Bool detached
-    //! phantom-port path. This test exercises the third bootstrap
-    //! attach path (`parse_fixture`'s tokenize/parse-failure branches).
-    //!
-    //! Verification (PR #1572 Worker B') consumes the resulting
-    //! attribution via [`DiagnosticTable::iter_attributed`] /
-    //! [`DiagnosticTable::attribution`] without ever asking
-    //! `Diagnostic.span().file`.
-
-    use super::*;
-    use crate::diagnostics::{BootstrapAuthorityKey, DiagnosticAttribution};
-
-    #[test]
-    fn parse_fixture_tokenize_failure_carries_bootstrap_authority() {
-        // Arbitrary illegal byte makes `tokenize` fail closed.
-        let source = "\u{0}";
-        let file: &'static str = "src/v3/std/bootstrap_regen_fresh_tokenize_smoke.dag";
-        let mut dag = Dag::empty();
-        let outcome = parse_fixture(&mut dag, source, file);
-        assert!(outcome.is_none(), "tokenize must fail for this fixture");
-        let expected = BootstrapAuthorityKey::new(file);
-        let bootstrap_count = dag
-            .diagnostics()
-            .iter_attributed()
-            .filter(|(_, _, attribution)| attribution.as_bootstrap_authority() == Some(&expected))
-            .count();
-        assert_eq!(
-            bootstrap_count,
-            1,
-            "tokenize-failure diagnostic must carry BootstrapAuthority({file:?}); table: {:?}",
-            dag.diagnostics().iter_attributed().collect::<Vec<_>>()
-        );
-        for (_, _, attribution) in dag.diagnostics().iter_attributed() {
-            assert!(
-                matches!(attribution, DiagnosticAttribution::BootstrapAuthority(_)),
-                "every diagnostic from parse_fixture must be BootstrapAuthority-attributed, got {attribution:?}"
-            );
-        }
-    }
-
-    #[test]
-    fn parse_fixture_parse_failure_carries_bootstrap_authority() {
-        // Tokenizes cleanly but trips parse (unmatched closing brace at
-        // top level — not a valid module item).
-        let source = "}\n";
-        let file: &'static str = "src/v3/std/bootstrap_regen_fresh_parse_smoke.dag";
-        let mut dag = Dag::empty();
-        let outcome = parse_fixture(&mut dag, source, file);
-        assert!(outcome.is_none(), "parse must fail for this fixture");
-        let expected = BootstrapAuthorityKey::new(file);
-        assert!(
-            dag.diagnostics()
-                .iter_attributed()
-                .any(|(_, _, attribution)| attribution.as_bootstrap_authority() == Some(&expected)),
-            "parse-failure diagnostic must carry BootstrapAuthority({file:?}); table: {:?}",
-            dag.diagnostics().iter_attributed().collect::<Vec<_>>()
-        );
-    }
-}
diff --git a/src/v3/compiler/src/bootstrap_std_generated.rs b/src/v3/compiler/src/bootstrap_std_generated.rs
deleted file mode 100644
index c153d54dab1..00000000000
--- a/src/v3/compiler/src/bootstrap_std_generated.rs
+++ /dev/null
@@ -1,18460 +0,0 @@
-// AUTO-GENERATED from `dsl/std/*.dag` via `regen_bootstrap`.
-// Regenerate instead of hand-editing.
-
-pub(crate) fn bootstrapped_std_fixture_dag() -> Dag {
-    Dag {
-        nodes: bootstrapped_std_fixture_dag_nodes(),
-        declarations: bootstrapped_std_fixture_dag_declarations(),
-        ports: bootstrapped_std_fixture_dag_ports(),
-        diagnostics: bootstrapped_std_fixture_dag_diagnostics(),
-        next_node_id: 254,
-        next_declaration_id: 699,
-        next_port_id: 255,
-        primitives: PrimitiveCache::default(),
-        substrate_markers: SubstrateMarkers::default(),
-        realization_metas: RealizationMetaCache::default(),
-        target_syntax: TargetSyntaxCache::default(),
-        stdlib_types: StdlibTypeCache::default(),
-        emit_anchors: EmitAnchorCache::default(),
-        pattern_binding_rule_variants: PatternBindingRuleVariants::default(),
-        variant_payload_field_access_rule_variants: VariantPayloadFieldAccessRuleVariants::default(
-        ),
-        verifier_output_policy_variants: VerifierOutputPolicyVariants::default(),
-        callable_strategy_variants: CallableStrategyVariants::default(),
-        emit_model_variants: EmitModelVariants::default(),
-        clusters: bootstrapped_std_fixture_dag_clusters(),
-        optional_match_disjs: bootstrapped_std_fixture_dag_optional_match_disjs(),
-        declaration_append_begin_after_bootstrap: 699,
-    }
-}
-
-#[allow(clippy::vec_init_then_push)]
-fn bootstrapped_std_fixture_dag_nodes() -> Vec<Behavior> {
-    {
-        let mut nodes = Vec::with_capacity(254);
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(0),
-            data: LiteralBits::Int("0".to_string()),
-            output: PortId(1),
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(1),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Gt)),
-            inputs: vec![PortId(0), PortId(1)],
-            output: PortId(2),
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(2),
-            name: "<registry-refinement:PositiveInt>".to_string(),
-            value: PortId(2),
-            params: vec![PortId(0)],
-            span: SourceSpan::new("dsl/std/integer.dag", 9242, 9249),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(3),
-            data: LiteralBits::Int("0".to_string()),
-            output: PortId(4),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(4),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(3), PortId(4)],
-            output: PortId(5),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(5),
-            data: LiteralBits::Int("55295".to_string()),
-            output: PortId(6),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(6),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(3), PortId(6)],
-            output: PortId(7),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(7),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(5), PortId(7)],
-            output: PortId(8),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(8),
-            data: LiteralBits::Int("57344".to_string()),
-            output: PortId(9),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(9),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(3), PortId(9)],
-            output: PortId(10),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(10),
-            data: LiteralBits::Int("1114111".to_string()),
-            output: PortId(11),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(11),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(3), PortId(11)],
-            output: PortId(12),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(12),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(10), PortId(12)],
-            output: PortId(13),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(13),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(8), PortId(13)],
-            output: PortId(14),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9208),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(14),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(3), PortId(3)],
-            output: PortId(15),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(15),
-            data: LiteralBits::String("Char".to_string()),
-            output: PortId(16),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(16),
-            data: LiteralBits::String("Char".to_string()),
-            output: PortId(17),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(17),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(16), PortId(17)],
-            output: PortId(18),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(18),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(15), PortId(18)],
-            output: PortId(19),
-            span: SourceSpan::new("dsl/std/types.dag", 9210, 9223),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(19),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(14), PortId(19)],
-            output: PortId(20),
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9223),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(20),
-            name: "<registry-refinement:Char>".to_string(),
-            value: PortId(20),
-            params: vec![PortId(3)],
-            span: SourceSpan::new("dsl/std/types.dag", 9194, 9223),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(21),
-            data: LiteralBits::Int("1".to_string()),
-            output: PortId(22),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(22),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(21), PortId(22)],
-            output: PortId(23),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(23),
-            data: LiteralBits::Int("5".to_string()),
-            output: PortId(24),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(24),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(21), PortId(24)],
-            output: PortId(25),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(25),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(23), PortId(25)],
-            output: PortId(26),
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(26),
-            name: "<registry-refinement:RetryCount>".to_string(),
-            value: PortId(26),
-            params: vec![PortId(21)],
-            span: SourceSpan::new("dsl/std/types.dag", 11619, 11640),
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(27),
-            data: LiteralBits::Int("100".to_string()),
-            output: PortId(28),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(28),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(27), PortId(28)],
-            output: PortId(29),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(29),
-            data: LiteralBits::Int("599".to_string()),
-            output: PortId(30),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(30),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(27), PortId(30)],
-            output: PortId(31),
-            span: SourceSpan::new("dsl/std/types.dag", 11671, 11696),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(31),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(29), PortId(31)],
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-            data: LiteralBits::Int("10".to_string()),
-            output: PortId(183),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4279, 4281),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(182),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(182), PortId(183)],
-            output: PortId(184),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4262, 4281),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(183),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(181), PortId(184)],
-            output: PortId(185),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4240, 4281),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(184),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(186),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4285, 4298),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(185),
-            data: LiteralBits::Int("12".to_string()),
-            output: PortId(187),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4302, 4304),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(186),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(186), PortId(187)],
-            output: PortId(188),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4285, 4304),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(187),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(185), PortId(188)],
-            output: PortId(189),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4240, 4304),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(188),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(190),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4314, 4327),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(189),
-            data: LiteralBits::Int("13".to_string()),
-            output: PortId(191),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4331, 4333),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(190),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(190), PortId(191)],
-            output: PortId(192),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4314, 4333),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(191),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(189), PortId(192)],
-            output: PortId(193),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4240, 4333),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(192),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(194),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4337, 4350),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(193),
-            data: LiteralBits::Int("32".to_string()),
-            output: PortId(195),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4354, 4356),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(194),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(194), PortId(195)],
-            output: PortId(196),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4337, 4356),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(195),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(193), PortId(196)],
-            output: PortId(197),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4240, 4356),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(196),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(198),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4370, 4383),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(197),
-            data: LiteralBits::Int("48".to_string()),
-            output: PortId(199),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4387, 4389),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(198),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(198), PortId(199)],
-            output: PortId(200),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4370, 4389),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(199),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(201),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4393, 4406),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(200),
-            data: LiteralBits::Int("57".to_string()),
-            output: PortId(202),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4410, 4412),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(201),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(201), PortId(202)],
-            output: PortId(203),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4393, 4412),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(202),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(200), PortId(203)],
-            output: PortId(204),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4370, 4412),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(203),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(205),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4437, 4450),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(204),
-            data: LiteralBits::Int("65".to_string()),
-            output: PortId(206),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4454, 4456),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(205),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(205), PortId(206)],
-            output: PortId(207),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4437, 4456),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(206),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(208),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4460, 4473),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(207),
-            data: LiteralBits::Int("90".to_string()),
-            output: PortId(209),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4477, 4479),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(208),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(208), PortId(209)],
-            output: PortId(210),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4460, 4479),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(209),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(207), PortId(210)],
-            output: PortId(211),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4437, 4479),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(210),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(212),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4489, 4502),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(211),
-            data: LiteralBits::Int("97".to_string()),
-            output: PortId(213),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4506, 4508),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(212),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(212), PortId(213)],
-            output: PortId(214),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4489, 4508),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(213),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(215),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4512, 4525),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(214),
-            data: LiteralBits::Int("122".to_string()),
-            output: PortId(216),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4529, 4532),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(215),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(215), PortId(216)],
-            output: PortId(217),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4512, 4532),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(216),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(214), PortId(217)],
-            output: PortId(218),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4489, 4532),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(217),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(211), PortId(218)],
-            output: PortId(219),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4437, 4532),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(218),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(220),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4542, 4555),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(219),
-            data: LiteralBits::Int("95".to_string()),
-            output: PortId(221),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4559, 4561),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(220),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(220), PortId(221)],
-            output: PortId(222),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4542, 4561),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(221),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(219), PortId(222)],
-            output: PortId(223),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4437, 4561),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(222),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(224),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4746, 4759),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(223),
-            data: LiteralBits::Int("48".to_string()),
-            output: PortId(225),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4763, 4765),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(224),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(224), PortId(225)],
-            output: PortId(226),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4746, 4765),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(225),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(227),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4769, 4782),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(226),
-            data: LiteralBits::Int("57".to_string()),
-            output: PortId(228),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4786, 4788),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(227),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(227), PortId(228)],
-            output: PortId(229),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4769, 4788),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(228),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(226), PortId(229)],
-            output: PortId(230),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4746, 4788),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(229),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(231),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4798, 4811),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(230),
-            data: LiteralBits::Int("65".to_string()),
-            output: PortId(232),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4815, 4817),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(231),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(231), PortId(232)],
-            output: PortId(233),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4798, 4817),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(232),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(234),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4821, 4834),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(233),
-            data: LiteralBits::Int("90".to_string()),
-            output: PortId(235),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4838, 4840),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(234),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(234), PortId(235)],
-            output: PortId(236),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4821, 4840),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(235),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(233), PortId(236)],
-            output: PortId(237),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4798, 4840),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(236),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(230), PortId(237)],
-            output: PortId(238),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4746, 4840),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(237),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(239),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4850, 4863),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(238),
-            data: LiteralBits::Int("97".to_string()),
-            output: PortId(240),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4867, 4869),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(239),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Ge)),
-            inputs: vec![PortId(239), PortId(240)],
-            output: PortId(241),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4850, 4869),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(240),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(242),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4873, 4886),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(241),
-            data: LiteralBits::Int("122".to_string()),
-            output: PortId(243),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4890, 4893),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(242),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Le)),
-            inputs: vec![PortId(242), PortId(243)],
-            output: PortId(244),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4873, 4893),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(243),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-            inputs: vec![PortId(241), PortId(244)],
-            output: PortId(245),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4850, 4893),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(244),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(238), PortId(245)],
-            output: PortId(246),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4746, 4893),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(245),
-            target: TransformTarget::Callable(DeclarationId(236)),
-            inputs: vec![PortId(177)],
-            output: PortId(247),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4903, 4916),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(246),
-            data: LiteralBits::Int("95".to_string()),
-            output: PortId(248),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4920, 4922),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(247),
-            target: TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)),
-            inputs: vec![PortId(247), PortId(248)],
-            output: PortId(249),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4903, 4922),
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(248),
-            target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)),
-            inputs: vec![PortId(246), PortId(249)],
-            output: PortId(250),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4746, 4922),
-        }));
-        nodes.push(Behavior::Branch(BranchNode {
-            id: NodeId(249),
-            input: PortId(178),
-            paths: vec![
-                Path {
-                    body: NodeId(195),
-                    output: PortId(197),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Whitespace".to_string(),
-                        span: SourceSpan::new("dsl/std/unicode.dag", 4220, 4230),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(202),
-                    output: PortId(204),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Digit".to_string(),
-                        span: SourceSpan::new("dsl/std/unicode.dag", 4361, 4366),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(221),
-                    output: PortId(223),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "IdentStart".to_string(),
-                        span: SourceSpan::new("dsl/std/unicode.dag", 4417, 4427),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: NodeId(248),
-                    output: PortId(250),
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "IdentContinue".to_string(),
-                        span: SourceSpan::new("dsl/std/unicode.dag", 4723, 4736),
-                    },
-                    binding: None,
-                },
-            ],
-            output: PortId(251),
-            span: SourceSpan::new("dsl/std/unicode.dag", 4115, 4926),
-            emit_participation: Some(BranchEmitParticipation::UserMatch),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(250),
-            name: "char_in_class".to_string(),
-            value: PortId(251),
-            params: vec![PortId(177), PortId(178)],
-            span: SourceSpan::new("dsl/std/unicode.dag", 4115, 4926),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes.push(Behavior::Value(ValueNode {
-            id: NodeId(251),
-            data: LiteralBits::Int("0".to_string()),
-            output: PortId(253),
-            span: SourceSpan::new("dsl/std/unicode.dag", 8909, 8910),
-            lane2_workflow: None,
-        }));
-        nodes.push(Behavior::Transform(TransformNode {
-            id: NodeId(252),
-            target: TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            inputs: vec![PortId(252), PortId(253)],
-            output: PortId(254),
-            span: SourceSpan::new("dsl/std/unicode.dag", 8905, 8910),
-        }));
-        nodes.push(Behavior::Bind(BindNode {
-            id: NodeId(253),
-            name: "code_point".to_string(),
-            value: PortId(254),
-            params: vec![PortId(252)],
-            span: SourceSpan::new("dsl/std/unicode.dag", 8905, 8910),
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        nodes
-    }
-}
-
-#[allow(clippy::vec_init_then_push)]
-fn bootstrapped_std_fixture_dag_declarations() -> Vec<Declaration> {
-    {
-        let mut declarations = Vec::with_capacity(699);
-        declarations.push(Declaration {
-            id: DeclarationId(0),
-            name: Some("Classical".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "True".to_string(),
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-            value_body: None,
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-            nominal_opacity: None,
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-                        label: "one".to_string(),
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-                    Field {
-                        label: "reciprocal".to_string(),
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-                    Field {
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-            value_body: None,
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 12528, 12684),
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-                        ty: DeclarationId(367),
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-                    Field {
-                        label: "join".to_string(),
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-            },
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-            phantom_params: Vec::new(),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13004, 13067),
-        });
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13004, 13067),
-        });
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-            id: DeclarationId(43),
-            name: Some("BoundedLattice".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "meet".to_string(),
-                        ty: DeclarationId(369),
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-                    Field {
-                        label: "join".to_string(),
-                        ty: DeclarationId(370),
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-                    Field {
-                        label: "top".to_string(),
-                        ty: DeclarationId(44),
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-                    Field {
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-                        ty: DeclarationId(44),
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-                ],
-            },
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13175, 13266),
-        });
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-            id: DeclarationId(44),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13175, 13266),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(45),
-            name: Some("BooleanAlgebra".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "meet".to_string(),
-                        ty: DeclarationId(371),
-                    },
-                    Field {
-                        label: "join".to_string(),
-                        ty: DeclarationId(372),
-                    },
-                    Field {
-                        label: "complement".to_string(),
-                        ty: DeclarationId(373),
-                    },
-                    Field {
-                        label: "top".to_string(),
-                        ty: DeclarationId(46),
-                    },
-                    Field {
-                        label: "bottom".to_string(),
-                        ty: DeclarationId(46),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(46)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13464, 13580),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(46),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 13464, 13580),
-        });
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-            id: DeclarationId(47),
-            name: Some("FreeMonoid".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
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-                        ty: DeclarationId(377),
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-                    Field {
-                        label: "empty".to_string(),
-                        ty: DeclarationId(378),
-                    },
-                    Field {
-                        label: "append".to_string(),
-                        ty: DeclarationId(380),
-                    },
-                    Field {
-                        label: "slice".to_string(),
-                        ty: DeclarationId(382),
-                    },
-                    Field {
-                        label: "length".to_string(),
-                        ty: DeclarationId(383),
-                    },
-                    Field {
-                        label: "is_empty".to_string(),
-                        ty: DeclarationId(384),
-                    },
-                    Field {
-                        label: "count".to_string(),
-                        ty: DeclarationId(385),
-                    },
-                    Field {
-                        label: "first".to_string(),
-                        ty: DeclarationId(387),
-                    },
-                    Field {
-                        label: "last".to_string(),
-                        ty: DeclarationId(389),
-                    },
-                    Field {
-                        label: "map".to_string(),
-                        ty: DeclarationId(392),
-                    },
-                    Field {
-                        label: "filter".to_string(),
-                        ty: DeclarationId(395),
-                    },
-                    Field {
-                        label: "fold".to_string(),
-                        ty: DeclarationId(397),
-                    },
-                    Field {
-                        label: "flat_map".to_string(),
-                        ty: DeclarationId(401),
-                    },
-                    Field {
-                        label: "any".to_string(),
-                        ty: DeclarationId(403),
-                    },
-                    Field {
-                        label: "all".to_string(),
-                        ty: DeclarationId(405),
-                    },
-                    Field {
-                        label: "enumerate".to_string(),
-                        ty: DeclarationId(409),
-                    },
-                    Field {
-                        label: "reverse".to_string(),
-                        ty: DeclarationId(411),
-                    },
-                    Field {
-                        label: "skip".to_string(),
-                        ty: DeclarationId(413),
-                    },
-                    Field {
-                        label: "take".to_string(),
-                        ty: DeclarationId(415),
-                    },
-                    Field {
-                        label: "sort_by".to_string(),
-                        ty: DeclarationId(418),
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-                    Field {
-                        label: "contains".to_string(),
-                        ty: DeclarationId(419),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(48)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 17472, 18434),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(48),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 17472, 18434),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(49),
-            name: Some("PartialFunction".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "lookup".to_string(),
-                        ty: DeclarationId(422),
-                    },
-                    Field {
-                        label: "empty".to_string(),
-                        ty: DeclarationId(423),
-                    },
-                    Field {
-                        label: "get".to_string(),
-                        ty: DeclarationId(425),
-                    },
-                    Field {
-                        label: "insert".to_string(),
-                        ty: DeclarationId(427),
-                    },
-                    Field {
-                        label: "merge".to_string(),
-                        ty: DeclarationId(430),
-                    },
-                    Field {
-                        label: "keys".to_string(),
-                        ty: DeclarationId(432),
-                    },
-                    Field {
-                        label: "values".to_string(),
-                        ty: DeclarationId(434),
-                    },
-                    Field {
-                        label: "has".to_string(),
-                        ty: DeclarationId(435),
-                    },
-                    Field {
-                        label: "contains_key".to_string(),
-                        ty: DeclarationId(436),
-                    },
-                    Field {
-                        label: "size".to_string(),
-                        ty: DeclarationId(437),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(50), DeclarationId(51)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 18963, 19310),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(50),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("K".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 18963, 19310),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(51),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("V".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 18963, 19310),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(52),
-            name: Some("Ordering".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Less".to_string(),
-                        ty: DeclarationId(438),
-                    },
-                    Field {
-                        label: "Equal".to_string(),
-                        ty: DeclarationId(439),
-                    },
-                    Field {
-                        label: "Greater".to_string(),
-                        ty: DeclarationId(440),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 19511, 19549),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(53),
-            name: Some("AlgebraProfile".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "OrderedRingProfile".to_string(),
-                        ty: DeclarationId(441),
-                    },
-                    Field {
-                        label: "ApproximateFieldProfile".to_string(),
-                        ty: DeclarationId(442),
-                    },
-                    Field {
-                        label: "BooleanAlgebraProfile".to_string(),
-                        ty: DeclarationId(443),
-                    },
-                    Field {
-                        label: "BooleanAlgebraCollectionProfile".to_string(),
-                        ty: DeclarationId(444),
-                    },
-                    Field {
-                        label: "FreeMonoidScalarProfile".to_string(),
-                        ty: DeclarationId(445),
-                    },
-                    Field {
-                        label: "FreeMonoidCollectionProfile".to_string(),
-                        ty: DeclarationId(446),
-                    },
-                    Field {
-                        label: "PartialFunctionProfile".to_string(),
-                        ty: DeclarationId(447),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 21634, 21853),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(54),
-            name: Some("ContainerSource".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "SameAsReceiver".to_string(),
-                        ty: DeclarationId(448),
-                    },
-                    Field {
-                        label: "Named".to_string(),
-                        ty: DeclarationId(449),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 21855, 21921),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(55),
-            name: Some("AlgebraTypeTemplate".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ReceiverSelf".to_string(),
-                        ty: DeclarationId(450),
-                    },
-                    Field {
-                        label: "ReceiverElement".to_string(),
-                        ty: DeclarationId(451),
-                    },
-                    Field {
-                        label: "ReceiverKey".to_string(),
-                        ty: DeclarationId(452),
-                    },
-                    Field {
-                        label: "ReceiverValue".to_string(),
-                        ty: DeclarationId(453),
-                    },
-                    Field {
-                        label: "NamedTemplate".to_string(),
-                        ty: DeclarationId(454),
-                    },
-                    Field {
-                        label: "ContainerOf".to_string(),
-                        ty: DeclarationId(455),
-                    },
-                    Field {
-                        label: "OptionalOf".to_string(),
-                        ty: DeclarationId(456),
-                    },
-                    Field {
-                        label: "WitnessOf".to_string(),
-                        ty: DeclarationId(457),
-                    },
-                    Field {
-                        label: "TupleOf".to_string(),
-                        ty: DeclarationId(458),
-                    },
-                    Field {
-                        label: "CallableOf".to_string(),
-                        ty: DeclarationId(460),
-                    },
-                    Field {
-                        label: "AlgebraTypeVariable".to_string(),
-                        ty: DeclarationId(461),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 21923, 22416),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(56),
-            name: Some("CollectionSizeEffect".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ShrinkEffect".to_string(),
-                        ty: DeclarationId(462),
-                    },
-                    Field {
-                        label: "ProjectionEffect".to_string(),
-                        ty: DeclarationId(463),
-                    },
-                    Field {
-                        label: "IdentityEffect".to_string(),
-                        ty: DeclarationId(464),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 22632, 22809),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(57),
-            name: Some("CostShape".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ShapeConstant".to_string(),
-                        ty: DeclarationId(465),
-                    },
-                    Field {
-                        label: "ShapeLinearScan".to_string(),
-                        ty: DeclarationId(466),
-                    },
-                    Field {
-                        label: "ShapeIterateBody".to_string(),
-                        ty: DeclarationId(467),
-                    },
-                    Field {
-                        label: "ShapeSortBody".to_string(),
-                        ty: DeclarationId(468),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23267, 23452),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(58),
-            name: Some("AlgebraFieldTemplate".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "param_types".to_string(),
-                        ty: DeclarationId(469),
-                    },
-                    Field {
-                        label: "return_type".to_string(),
-                        ty: DeclarationId(55),
-                    },
-                    Field {
-                        label: "size_effect".to_string(),
-                        ty: DeclarationId(470),
-                    },
-                    Field {
-                        label: "cost_shape".to_string(),
-                        ty: DeclarationId(471),
-                    },
-                    Field {
-                        label: "callback_element_position".to_string(),
-                        ty: DeclarationId(472),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23477, 23908),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(59),
-            name: Some("kernel_algebra_profile".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(53),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(473)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "Int".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(441),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Float".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(442),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Bool".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(443),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "String".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(445),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "List".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(446),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(444),
-                            payload: vec![],
-                        },
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(447),
-                            payload: vec![],
-                        },
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 23910, 24220),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(60),
-            name: Some("ordered_ring_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(325),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 24280, 25425)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 24222, 25425),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(61),
-            name: Some("approximate_field_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(326),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 25490, 26584)),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 25427, 26584),
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-        declarations.push(Declaration {
-            id: DeclarationId(62),
-            name: Some("boolean_algebra_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(327),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 26647, 27408)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 26586, 27408),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(63),
-            name: Some("boolean_algebra_collection_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(328),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 27773, 31163)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 27701, 31163),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(64),
-            name: Some("free_monoid_scalar_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(329),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 31229, 34472)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 31165, 34472),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(65),
-            name: Some("free_monoid_collection_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(330),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 34542, 39903)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 34474, 39903),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(66),
-            name: Some("partial_function_templates".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![],
-                output: DeclarationId(331),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 39967, 42790)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 39905, 42790),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(67),
-            name: Some("algebra_templates_for_profile".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(53)],
-                output: DeclarationId(332),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 42880, 43343)),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 42792, 43343),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(68),
-            name: Some("algebra_type_param_names".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(53)],
-                output: DeclarationId(333),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/algebra.dag", 43685, 43966)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/algebra.dag", 43616, 43966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(69),
-            name: Some("Magnitude".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/magnitude.dag", 1464, 1478),
-        });
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-            id: DeclarationId(70),
-            name: Some("MachineWidth".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![DeclarationId(71)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 3296, 3313),
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-        declarations.push(Declaration {
-            id: DeclarationId(71),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("bits".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 3296, 3313),
-        });
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-            id: DeclarationId(72),
-            name: Some("PointerWidth".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            id: DeclarationId(73),
-            name: Some("Compose".to_string()),
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-                variants: vec![Field {
-                    label: "Phantom".to_string(),
-                    ty: DeclarationId(474),
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-            type_params: vec![DeclarationId(74), DeclarationId(75)],
-            phantom_params: Vec::new(),
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 7292, 7342),
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-            id: DeclarationId(74),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Algebra".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 7292, 7342),
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-        declarations.push(Declaration {
-            id: DeclarationId(75),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam(
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/machine_constraints.dag", 7292, 7342),
-        });
-        declarations.push(Declaration {
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-            name: Some("Nat".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(33),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(34),
-                    value: DeclarationId(69),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/nat.dag", 2186, 2227),
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-            name: Some("Int8".to_string()),
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-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
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-                        value: DeclarationId(87),
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-                    TemplateArgument {
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-                        value: DeclarationId(476),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2549, 2590),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2591, 2634),
-        });
-        declarations.push(Declaration {
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-            name: Some("Int32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(87),
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-                    TemplateArgument {
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2635, 2678),
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-        declarations.push(Declaration {
-            id: DeclarationId(80),
-            name: Some("Int64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
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-                    TemplateArgument {
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-                        value: DeclarationId(482),
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-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2679, 2722),
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-        declarations.push(Declaration {
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-            name: Some("Int128".to_string()),
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-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        declarations.push(Declaration {
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-            name: Some("UInt8".to_string()),
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-                template: DeclarationId(73),
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-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 2834, 2877),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-                    TemplateArgument {
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-                arguments: vec![
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-            specialization_parent: None,
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-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-                    value: DeclarationId(495),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 5921, 5966),
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-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(76),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 5967, 5982),
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-        declarations.push(Declaration {
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-            name: Some("IntPlatform".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
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-                    TemplateArgument {
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
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-        declarations.push(Declaration {
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-            name: Some("UIntPlatform".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
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-                    TemplateArgument {
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-            phantom_params: Vec::new(),
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-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/integer.dag", 7681, 7742),
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-        declarations.push(Declaration {
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-            name: Some("NonNegativeInt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(76),
-                arguments: vec![],
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-            type_params: vec![],
-            phantom_params: Vec::new(),
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-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
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-            span: SourceSpan::new("dsl/std/integer.dag", 9210, 9249),
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-        declarations.push(Declaration {
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-            name: Some("Rational".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(39),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(40),
-                    value: DeclarationId(499),
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/rational.dag", 1245, 1289),
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-            name: Some("RoundingMode".to_string()),
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-                    },
-                    Field {
-                        label: "ToZero".to_string(),
-                        ty: DeclarationId(501),
-                    },
-                    Field {
-                        label: "ToPositiveInfinity".to_string(),
-                        ty: DeclarationId(502),
-                    },
-                    Field {
-                        label: "ToNegativeInfinity".to_string(),
-                        ty: DeclarationId(503),
-                    },
-                    Field {
-                        label: "ToAwayFromZero".to_string(),
-                        ty: DeclarationId(504),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1030, 1141),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(95),
-            name: Some("Precision".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Unbounded".to_string(),
-                        ty: DeclarationId(505),
-                    },
-                    Field {
-                        label: "BinaryPrecision".to_string(),
-                        ty: DeclarationId(506),
-                    },
-                    Field {
-                        label: "DecimalPrecision".to_string(),
-                        ty: DeclarationId(507),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1404, 1589),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(96),
-            name: Some("NanPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoNaN".to_string(),
-                        ty: DeclarationId(508),
-                    },
-                    Field {
-                        label: "QuietNaN".to_string(),
-                        ty: DeclarationId(509),
-                    },
-                    Field {
-                        label: "QuietAndSignalingNaN".to_string(),
-                        ty: DeclarationId(510),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 1812, 1868),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(97),
-            name: Some("InfinityPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoInfinity".to_string(),
-                        ty: DeclarationId(511),
-                    },
-                    Field {
-                        label: "SignedInfinity".to_string(),
-                        ty: DeclarationId(512),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2096, 2145),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(98),
-            name: Some("SignedZeroPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoSignedZero".to_string(),
-                        ty: DeclarationId(513),
-                    },
-                    Field {
-                        label: "SignedZero".to_string(),
-                        ty: DeclarationId(514),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2376, 2425),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(99),
-            name: Some("SubnormalPolicy".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "NoSubnormals".to_string(),
-                        ty: DeclarationId(515),
-                    },
-                    Field {
-                        label: "GradualUnderflow".to_string(),
-                        ty: DeclarationId(516),
-                    },
-                    Field {
-                        label: "FlushToZero".to_string(),
-                        ty: DeclarationId(517),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 2720, 2788),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(100),
-            name: Some("SpecialValues".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "nan".to_string(),
-                        ty: DeclarationId(96),
-                    },
-                    Field {
-                        label: "infinity".to_string(),
-                        ty: DeclarationId(97),
-                    },
-                    Field {
-                        label: "signed_zero".to_string(),
-                        ty: DeclarationId(98),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3064, 3162),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(101),
-            name: Some("ApproximateField".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "base".to_string(),
-                        ty: DeclarationId(518),
-                    },
-                    Field {
-                        label: "rounding".to_string(),
-                        ty: DeclarationId(94),
-                    },
-                    Field {
-                        label: "precision".to_string(),
-                        ty: DeclarationId(95),
-                    },
-                    Field {
-                        label: "special_values".to_string(),
-                        ty: DeclarationId(100),
-                    },
-                    Field {
-                        label: "subnormal_policy".to_string(),
-                        ty: DeclarationId(99),
-                    },
-                ],
-            },
-            type_params: vec![DeclarationId(102)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3398, 3559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(102),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("F".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v3/std/approximate_field.dag", 3398, 3559),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(103),
-            name: Some("Ieee754Float".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1255, 1272),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(104),
-            name: Some("Real".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(101),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(102),
-                    value: DeclarationId(519),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1453, 1504),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(105),
-            name: Some("Real32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(104),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(521),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1726, 1771),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(106),
-            name: Some("Real64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(73),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(74),
-                        value: DeclarationId(104),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(75),
-                        value: DeclarationId(523),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1772, 1817),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(107),
-            name: Some("Float32".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(105),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1819, 1840),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(108),
-            name: Some("Float64".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(106),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1841, 1862),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(109),
-            name: Some("Float".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(108),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/float.dag", 1881, 1901),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(110),
-            name: Some("kernel_type_set".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(639)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "String".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Int".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Bool".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Float".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Secret".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Json".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Unit".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                    (
-                        "Bytes".to_string(),
-                        FieldValue::Literal(LiteralBits::Bool(true)),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3041, 3206),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(111),
-            name: Some("is_kernel_type".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3248, 3349)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3208, 3349),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(112),
-            name: Some("container_type_arity".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(87),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(640)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("2".to_string())),
-                    ),
-                    (
-                        "Witness".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3511, 3606),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(113),
-            name: Some("is_container_type".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3651, 3758)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3608, 3758),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(114),
-            name: Some("container_expected_arity".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(524),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 3810, 3851)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 3760, 3851),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(115),
-            name: Some("container_param_names_for".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(525),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4091, 4296)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4027, 4296),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(116),
-            name: Some("container_param_name".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(526),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4364, 4612)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4298, 4612),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(117),
-            name: Some("ordered_element_collections".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(124),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(641)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![(
-                    "List".to_string(),
-                    FieldValue::Literal(LiteralBits::Bool(true)),
-                )])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4806, 4878),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(118),
-            name: Some("is_ordered_element_collection".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/types.dag", 4935, 4992)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 4880, 4992),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(119),
-            name: Some("container_template_algebra_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(642)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "list".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "FreeMonoid".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "free_monoid".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "BooleanAlgebra".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "boolean_algebra".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "PartialFunction".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "partial_function".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 5784, 6223),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(120),
-            name: Some("container_template_alias_rows".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(133),
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: DeclarationId(134),
-                        value: DeclarationId(227),
-                    },
-                    TemplateArgument {
-                        parameter: DeclarationId(135),
-                        value: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(643)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Map(
-                FieldMap::from_entries(vec![
-                    (
-                        "List".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "list".to_string(),
-                        FieldValue::Literal(LiteralBits::String("FreeMonoid".to_string())),
-                    ),
-                    (
-                        "Set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "set".to_string(),
-                        FieldValue::Literal(LiteralBits::String("BooleanAlgebra".to_string())),
-                    ),
-                    (
-                        "Map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                    (
-                        "map".to_string(),
-                        FieldValue::Literal(LiteralBits::String("PartialFunction".to_string())),
-                    ),
-                ])
-                .expect("ValueBody::Map"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 6389, 6607),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(121),
-            name: Some("container_template_algebra".to_string()),
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-            id: DeclarationId(193),
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-                        ty: DeclarationId(611),
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-            name: Some("AccessToken".to_string()),
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-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 23036, 23106),
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 24919, 25005),
-        });
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-            name: Some("CodegenTarget".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
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-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "path".to_string(),
-                        ty: DeclarationId(154),
-                    },
-                    Field {
-                        label: "backend".to_string(),
-                        ty: DeclarationId(631),
-                    },
-                    Field {
-                        label: "target".to_string(),
-                        ty: DeclarationId(632),
-                    },
-                    Field {
-                        label: "runtime_env".to_string(),
-                        ty: DeclarationId(633),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25074, 25208),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(222),
-            name: Some("CodegenBackend".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Rust".to_string(),
-                        ty: DeclarationId(634),
-                    },
-                    Field {
-                        label: "Go".to_string(),
-                        ty: DeclarationId(635),
-                    },
-                    Field {
-                        label: "C".to_string(),
-                        ty: DeclarationId(636),
-                    },
-                    Field {
-                        label: "Mips".to_string(),
-                        ty: DeclarationId(637),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25210, 25252),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(223),
-            name: Some("PragmaDirective".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "key".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "value".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "scope".to_string(),
-                        ty: DeclarationId(638),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25254, 25325),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(224),
-            name: Some("DocSource".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "path".to_string(),
-                        ty: DeclarationId(154),
-                    },
-                    Field {
-                        label: "kind".to_string(),
-                        ty: DeclarationId(180),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 25466, 25523),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(225),
-            name: Some("ReferenceModel".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![DeclarationId(226)],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 27457, 27476),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(226),
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 27457, 27476),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(227),
-            name: Some("String".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(47),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(48),
-                    value: DeclarationId(128),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/string_type.dag", 606, 636),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(228),
-            name: Some("CharClass".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Whitespace".to_string(),
-                        ty: DeclarationId(678),
-                    },
-                    Field {
-                        label: "Digit".to_string(),
-                        ty: DeclarationId(679),
-                    },
-                    Field {
-                        label: "IdentStart".to_string(),
-                        ty: DeclarationId(680),
-                    },
-                    Field {
-                        label: "IdentContinue".to_string(),
-                        ty: DeclarationId(681),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 3662, 3726),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(229),
-            name: Some("char_in_class".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128), DeclarationId(228)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(250))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 4059, 4926),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(230),
-            name: Some("DisplayWidth".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "ZeroWidth".to_string(),
-                        ty: DeclarationId(682),
-                    },
-                    Field {
-                        label: "Narrow".to_string(),
-                        ty: DeclarationId(683),
-                    },
-                    Field {
-                        label: "Wide".to_string(),
-                        ty: DeclarationId(684),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5290, 5335),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(231),
-            name: Some("display_width_columns".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(230)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 5386, 5462)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5337, 5462),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(232),
-            name: Some("UnicodeBlock".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "name".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "start".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                    Field {
-                        label: "end_inclusive".to_string(),
-                        ty: DeclarationId(87),
-                    },
-                    Field {
-                        label: "default_width".to_string(),
-                        ty: DeclarationId(230),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5697, 5797),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(233),
-            name: Some("zero_width_blocks".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(232),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(685)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Diacritical Marks".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("768".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("879".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Diacritical Marks Extended".to_string(),
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-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("6832".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("6911".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Diacritical Marks Supplement".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("7616".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("7679".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Marks for Symbols".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("8400".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("8447".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Variation Selectors".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65024".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65039".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Combining Half Marks".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65056".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65071".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(682),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5859, 6608),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(234),
-            name: Some("zero_width_codepoints".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(686)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Literal(LiteralBits::Int("8203".to_string())),
-                FieldValue::Literal(LiteralBits::Int("8204".to_string())),
-                FieldValue::Literal(LiteralBits::Int("8205".to_string())),
-                FieldValue::Literal(LiteralBits::Int("65279".to_string())),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 6675, 6887),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(235),
-            name: Some("wide_blocks".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(232),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(687)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::List(vec![
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Hangul Jamo".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("4352".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("4447".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Radicals and Symbols".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("11904".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("12350".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Hiragana / Katakana / CJK Compat".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("12353".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("13247".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension A".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("13312".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("19903".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Unified Ideographs".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("19968".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("40959".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Yi Syllables and Radicals".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("40960".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("42191".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Hangul Syllables".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("44032".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("55215".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Compatibility Ideographs".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("63744".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("64255".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "CJK Compatibility Forms".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65072".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65135".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Fullwidth ASCII".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65281".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65376".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Fullwidth Signs".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65504".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("65510".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension B+".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("131072".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("196607".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("CJK Extension G+".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("196608".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("262143".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Misc Symbols and Dingbats".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("9728".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("10175".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String(
-                            "Symbols / Pictographs / Emoticons".to_string(),
-                        )),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("127744".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("129535".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-                FieldValue::Record(vec![
-                    (
-                        "name".to_string(),
-                        FieldValue::Literal(LiteralBits::String("Symbols Extended".to_string())),
-                    ),
-                    (
-                        "start".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("129536".to_string())),
-                    ),
-                    (
-                        "end_inclusive".to_string(),
-                        FieldValue::Literal(LiteralBits::Int("131071".to_string())),
-                    ),
-                    (
-                        "default_width".to_string(),
-                        FieldValue::Variant {
-                            constructor: DeclarationId(684),
-                            payload: vec![],
-                        },
-                    ),
-                ]),
-            ])),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 6934, 8723),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(236),
-            name: Some("code_point".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(87),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(253))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 8873, 8910),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(237),
-            name: Some("in_block".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(87), DeclarationId(232)],
-                output: DeclarationId(124),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 8962, 9014)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 8912, 9014),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(238),
-            name: Some("char_display_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(230),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9063, 9366)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9016, 9366),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(239),
-            name: Some("char_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(128)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9398, 9454)),
-            },
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9368, 9454),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(240),
-            name: Some("string_display_width".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(87),
-                body: ArrowBody::Unparsed(SourceSpan::new("dsl/std/unicode.dag", 9498, 9636)),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 9456, 9636),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(241),
-            name: Some("repeat_string_loop".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(227),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "dsl/std/render_repeat_string_bootstrap.dag",
-                    598,
-                    717,
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-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/render_repeat_string_bootstrap.dag", 526, 717),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(242),
-            name: Some("repeat_string".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227), DeclarationId(87)],
-                output: DeclarationId(227),
-                body: ArrowBody::Unparsed(SourceSpan::new(
-                    "dsl/std/render_repeat_string_bootstrap.dag",
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-                    818,
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-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/render_repeat_string_bootstrap.dag", 719, 818),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(243),
-            name: Some("MethodDeclaration".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "name".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 4779, 4820),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(244),
-            name: Some("add_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("add".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5269, 5321),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(245),
-            name: Some("all_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("all".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5322, 5374),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(246),
-            name: Some("any_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("any".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5375, 5427),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(247),
-            name: Some("append_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("append".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5428, 5486),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(248),
-            name: Some("bottom_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("bottom".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5487, 5545),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(249),
-            name: Some("chars_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("chars".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5546, 5602),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(250),
-            name: Some("clamp_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("clamp".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5603, 5659),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(251),
-            name: Some("compare_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("compare".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5660, 5720),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(252),
-            name: Some("complement_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("complement".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5721, 5787),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(253),
-            name: Some("concat_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("concat".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5788, 5846),
-        });
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-            id: DeclarationId(254),
-            name: Some("contains_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("contains".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5847, 5909),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(255),
-            name: Some("count_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("count".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5910, 5966),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(256),
-            name: Some("diff_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("diff".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 5967, 6021),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(257),
-            name: Some("empty_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("empty".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6022, 6078),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(258),
-            name: Some("ends_with_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("ends_with".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6079, 6143),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(259),
-            name: Some("enumerate_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("enumerate".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6144, 6208),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(260),
-            name: Some("filter_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("filter".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6209, 6267),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(261),
-            name: Some("first_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("first".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6268, 6324),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(262),
-            name: Some("flat_map_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("flat_map".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6325, 6387),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(263),
-            name: Some("fold_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("fold".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6388, 6442),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(264),
-            name: Some("get_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![(
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String("get".to_string())),
-                )],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/methods.dag", 6443, 6495),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(265),
-            name: Some("has_method".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(243),
-                arguments: vec![],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: Some(DeclarationId(243)),
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-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(116))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 15372, 15389),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(666),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(122))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 15428, 15446),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(667),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(128))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 15485, 15503),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(668),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(134))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 15542, 15562),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(669),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(140))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 15837, 15864),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(670),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(146))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 15909, 15936),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(671),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(152))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 15979, 16004),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(672),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(147)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(158))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 16044, 16066),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(673),
-            name: Some("<registered predicate not lowered: GitRef>".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 16146, 16188),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(674),
-            name: Some("<registered predicate not lowered: GcpProjectId>".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 16573, 16615),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(675),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(154)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(164))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 22653, 22678),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(676),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(125)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(170))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 22714, 22736),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(677),
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![DeclarationId(227)],
-                output: DeclarationId(124),
-                body: ArrowBody::UserDefined(BindNodeId::new_unchecked(NodeId(176))),
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/types.dag", 22774, 22793),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(678),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 3679, 3689),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(679),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 3692, 3697),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(680),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 3700, 3710),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(681),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 3713, 3726),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(682),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5310, 5319),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(683),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5322, 5328),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(684),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5331, 5335),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(685),
-            name: None,
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(232),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 5883, 5901),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(686),
-            name: None,
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(87),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 6703, 6712),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(687),
-            name: None,
-            connective: TypeConnective::Instantiation {
-                template: DeclarationId(129),
-                arguments: vec![TemplateArgument {
-                    parameter: DeclarationId(130),
-                    value: DeclarationId(232),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/unicode.dag", 6952, 6970),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(688),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 1873, 1883),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(689),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 1888, 1897),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(690),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "prefix".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 1902, 1944),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(691),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "suffix".to_string(),
-                    ty: DeclarationId(227),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 1949, 1991),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(692),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "prefix".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "suffix".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 1996, 2060),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(693),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "naming".to_string(),
-                    ty: DeclarationId(308),
-                }],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 2631, 2670),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(694),
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "tag_field".to_string(),
-                        ty: DeclarationId(227),
-                    },
-                    Field {
-                        label: "naming".to_string(),
-                        ty: DeclarationId(308),
-                    },
-                ],
-            },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 2675, 2742),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(695),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 2747, 2762),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(696),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 2767, 2780),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(697),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 3499, 3503),
-        });
-        declarations.push(Declaration {
-            id: DeclarationId(698),
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: vec![],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("dsl/std/serialization.dag", 3506, 3510),
-        });
-        declarations
-    }
-}
-
-fn bootstrapped_std_fixture_dag_ports() -> HashMap<PortId, Port> {
-    {
-        let mut ports = HashMap::new();
-        ports.insert(
-            PortId(0),
-            Port {
-                id: PortId(0),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(76))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(1),
-            Port {
-                id: PortId(1),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(0)),
-            },
-        );
-        ports.insert(
-            PortId(2),
-            Port {
-                id: PortId(2),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(1)),
-            },
-        );
-        ports.insert(
-            PortId(3),
-            Port {
-                id: PortId(3),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(4),
-            Port {
-                id: PortId(4),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(3)),
-            },
-        );
-        ports.insert(
-            PortId(5),
-            Port {
-                id: PortId(5),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(4)),
-            },
-        );
-        ports.insert(
-            PortId(6),
-            Port {
-                id: PortId(6),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(5)),
-            },
-        );
-        ports.insert(
-            PortId(7),
-            Port {
-                id: PortId(7),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(6)),
-            },
-        );
-        ports.insert(
-            PortId(8),
-            Port {
-                id: PortId(8),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(7)),
-            },
-        );
-        ports.insert(
-            PortId(9),
-            Port {
-                id: PortId(9),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(8)),
-            },
-        );
-        ports.insert(
-            PortId(10),
-            Port {
-                id: PortId(10),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(9)),
-            },
-        );
-        ports.insert(
-            PortId(11),
-            Port {
-                id: PortId(11),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(10)),
-            },
-        );
-        ports.insert(
-            PortId(12),
-            Port {
-                id: PortId(12),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(11)),
-            },
-        );
-        ports.insert(
-            PortId(13),
-            Port {
-                id: PortId(13),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(12)),
-            },
-        );
-        ports.insert(
-            PortId(14),
-            Port {
-                id: PortId(14),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(13)),
-            },
-        );
-        ports.insert(
-            PortId(15),
-            Port {
-                id: PortId(15),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(14)),
-            },
-        );
-        ports.insert(
-            PortId(16),
-            Port {
-                id: PortId(16),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(15)),
-            },
-        );
-        ports.insert(
-            PortId(17),
-            Port {
-                id: PortId(17),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(16)),
-            },
-        );
-        ports.insert(
-            PortId(18),
-            Port {
-                id: PortId(18),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(17)),
-            },
-        );
-        ports.insert(
-            PortId(19),
-            Port {
-                id: PortId(19),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(18)),
-            },
-        );
-        ports.insert(
-            PortId(20),
-            Port {
-                id: PortId(20),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(19)),
-            },
-        );
-        ports.insert(
-            PortId(21),
-            Port {
-                id: PortId(21),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(22),
-            Port {
-                id: PortId(22),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(21)),
-            },
-        );
-        ports.insert(
-            PortId(23),
-            Port {
-                id: PortId(23),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(22)),
-            },
-        );
-        ports.insert(
-            PortId(24),
-            Port {
-                id: PortId(24),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(23)),
-            },
-        );
-        ports.insert(
-            PortId(25),
-            Port {
-                id: PortId(25),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(24)),
-            },
-        );
-        ports.insert(
-            PortId(26),
-            Port {
-                id: PortId(26),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(25)),
-            },
-        );
-        ports.insert(
-            PortId(27),
-            Port {
-                id: PortId(27),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(28),
-            Port {
-                id: PortId(28),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(27)),
-            },
-        );
-        ports.insert(
-            PortId(29),
-            Port {
-                id: PortId(29),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(28)),
-            },
-        );
-        ports.insert(
-            PortId(30),
-            Port {
-                id: PortId(30),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(29)),
-            },
-        );
-        ports.insert(
-            PortId(31),
-            Port {
-                id: PortId(31),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(30)),
-            },
-        );
-        ports.insert(
-            PortId(32),
-            Port {
-                id: PortId(32),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(31)),
-            },
-        );
-        ports.insert(
-            PortId(33),
-            Port {
-                id: PortId(33),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(34),
-            Port {
-                id: PortId(34),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(33)),
-            },
-        );
-        ports.insert(
-            PortId(35),
-            Port {
-                id: PortId(35),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(34)),
-            },
-        );
-        ports.insert(
-            PortId(36),
-            Port {
-                id: PortId(36),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(35)),
-            },
-        );
-        ports.insert(
-            PortId(37),
-            Port {
-                id: PortId(37),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(36)),
-            },
-        );
-        ports.insert(
-            PortId(38),
-            Port {
-                id: PortId(38),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(37)),
-            },
-        );
-        ports.insert(
-            PortId(39),
-            Port {
-                id: PortId(39),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(40),
-            Port {
-                id: PortId(40),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(39)),
-            },
-        );
-        ports.insert(
-            PortId(41),
-            Port {
-                id: PortId(41),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(40)),
-            },
-        );
-        ports.insert(
-            PortId(42),
-            Port {
-                id: PortId(42),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(41)),
-            },
-        );
-        ports.insert(
-            PortId(43),
-            Port {
-                id: PortId(43),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(42)),
-            },
-        );
-        ports.insert(
-            PortId(44),
-            Port {
-                id: PortId(44),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(43)),
-            },
-        );
-        ports.insert(
-            PortId(45),
-            Port {
-                id: PortId(45),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(46),
-            Port {
-                id: PortId(46),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(45)),
-            },
-        );
-        ports.insert(
-            PortId(47),
-            Port {
-                id: PortId(47),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(46)),
-            },
-        );
-        ports.insert(
-            PortId(48),
-            Port {
-                id: PortId(48),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(47)),
-            },
-        );
-        ports.insert(
-            PortId(49),
-            Port {
-                id: PortId(49),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(48)),
-            },
-        );
-        ports.insert(
-            PortId(50),
-            Port {
-                id: PortId(50),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(49)),
-            },
-        );
-        ports.insert(
-            PortId(51),
-            Port {
-                id: PortId(51),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(52),
-            Port {
-                id: PortId(52),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(51)),
-            },
-        );
-        ports.insert(
-            PortId(53),
-            Port {
-                id: PortId(53),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(52)),
-            },
-        );
-        ports.insert(
-            PortId(54),
-            Port {
-                id: PortId(54),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(55),
-            Port {
-                id: PortId(55),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(54)),
-            },
-        );
-        ports.insert(
-            PortId(56),
-            Port {
-                id: PortId(56),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(55)),
-            },
-        );
-        ports.insert(
-            PortId(57),
-            Port {
-                id: PortId(57),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(58),
-            Port {
-                id: PortId(58),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(57)),
-            },
-        );
-        ports.insert(
-            PortId(59),
-            Port {
-                id: PortId(59),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(58)),
-            },
-        );
-        ports.insert(
-            PortId(60),
-            Port {
-                id: PortId(60),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(59)),
-            },
-        );
-        ports.insert(
-            PortId(61),
-            Port {
-                id: PortId(61),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(60)),
-            },
-        );
-        ports.insert(
-            PortId(62),
-            Port {
-                id: PortId(62),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(61)),
-            },
-        );
-        ports.insert(
-            PortId(63),
-            Port {
-                id: PortId(63),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(62)),
-            },
-        );
-        ports.insert(
-            PortId(64),
-            Port {
-                id: PortId(64),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(63)),
-            },
-        );
-        ports.insert(
-            PortId(65),
-            Port {
-                id: PortId(65),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(64)),
-            },
-        );
-        ports.insert(
-            PortId(66),
-            Port {
-                id: PortId(66),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(67),
-            Port {
-                id: PortId(67),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(66)),
-            },
-        );
-        ports.insert(
-            PortId(68),
-            Port {
-                id: PortId(68),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(67)),
-            },
-        );
-        ports.insert(
-            PortId(69),
-            Port {
-                id: PortId(69),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(68)),
-            },
-        );
-        ports.insert(
-            PortId(70),
-            Port {
-                id: PortId(70),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(69)),
-            },
-        );
-        ports.insert(
-            PortId(71),
-            Port {
-                id: PortId(71),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(70)),
-            },
-        );
-        ports.insert(
-            PortId(72),
-            Port {
-                id: PortId(72),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(71)),
-            },
-        );
-        ports.insert(
-            PortId(73),
-            Port {
-                id: PortId(73),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(72)),
-            },
-        );
-        ports.insert(
-            PortId(74),
-            Port {
-                id: PortId(74),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(73)),
-            },
-        );
-        ports.insert(
-            PortId(75),
-            Port {
-                id: PortId(75),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(76),
-            Port {
-                id: PortId(76),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(75)),
-            },
-        );
-        ports.insert(
-            PortId(77),
-            Port {
-                id: PortId(77),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(76)),
-            },
-        );
-        ports.insert(
-            PortId(78),
-            Port {
-                id: PortId(78),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(77)),
-            },
-        );
-        ports.insert(
-            PortId(79),
-            Port {
-                id: PortId(79),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(78)),
-            },
-        );
-        ports.insert(
-            PortId(80),
-            Port {
-                id: PortId(80),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(79)),
-            },
-        );
-        ports.insert(
-            PortId(81),
-            Port {
-                id: PortId(81),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(82),
-            Port {
-                id: PortId(82),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(81)),
-            },
-        );
-        ports.insert(
-            PortId(83),
-            Port {
-                id: PortId(83),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(82)),
-            },
-        );
-        ports.insert(
-            PortId(84),
-            Port {
-                id: PortId(84),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(83)),
-            },
-        );
-        ports.insert(
-            PortId(85),
-            Port {
-                id: PortId(85),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(84)),
-            },
-        );
-        ports.insert(
-            PortId(86),
-            Port {
-                id: PortId(86),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(85)),
-            },
-        );
-        ports.insert(
-            PortId(87),
-            Port {
-                id: PortId(87),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(88),
-            Port {
-                id: PortId(88),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(87)),
-            },
-        );
-        ports.insert(
-            PortId(89),
-            Port {
-                id: PortId(89),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(88)),
-            },
-        );
-        ports.insert(
-            PortId(90),
-            Port {
-                id: PortId(90),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(89)),
-            },
-        );
-        ports.insert(
-            PortId(91),
-            Port {
-                id: PortId(91),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(90)),
-            },
-        );
-        ports.insert(
-            PortId(92),
-            Port {
-                id: PortId(92),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(91)),
-            },
-        );
-        ports.insert(
-            PortId(93),
-            Port {
-                id: PortId(93),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(94),
-            Port {
-                id: PortId(94),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(93)),
-            },
-        );
-        ports.insert(
-            PortId(95),
-            Port {
-                id: PortId(95),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(94)),
-            },
-        );
-        ports.insert(
-            PortId(96),
-            Port {
-                id: PortId(96),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(95)),
-            },
-        );
-        ports.insert(
-            PortId(97),
-            Port {
-                id: PortId(97),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(96)),
-            },
-        );
-        ports.insert(
-            PortId(98),
-            Port {
-                id: PortId(98),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(97)),
-            },
-        );
-        ports.insert(
-            PortId(99),
-            Port {
-                id: PortId(99),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(100),
-            Port {
-                id: PortId(100),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(99)),
-            },
-        );
-        ports.insert(
-            PortId(101),
-            Port {
-                id: PortId(101),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(100)),
-            },
-        );
-        ports.insert(
-            PortId(102),
-            Port {
-                id: PortId(102),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(101)),
-            },
-        );
-        ports.insert(
-            PortId(103),
-            Port {
-                id: PortId(103),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(102)),
-            },
-        );
-        ports.insert(
-            PortId(104),
-            Port {
-                id: PortId(104),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(103)),
-            },
-        );
-        ports.insert(
-            PortId(105),
-            Port {
-                id: PortId(105),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(106),
-            Port {
-                id: PortId(106),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(105)),
-            },
-        );
-        ports.insert(
-            PortId(107),
-            Port {
-                id: PortId(107),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(106)),
-            },
-        );
-        ports.insert(
-            PortId(108),
-            Port {
-                id: PortId(108),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(107)),
-            },
-        );
-        ports.insert(
-            PortId(109),
-            Port {
-                id: PortId(109),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(108)),
-            },
-        );
-        ports.insert(
-            PortId(110),
-            Port {
-                id: PortId(110),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(109)),
-            },
-        );
-        ports.insert(
-            PortId(111),
-            Port {
-                id: PortId(111),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(112),
-            Port {
-                id: PortId(112),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(111)),
-            },
-        );
-        ports.insert(
-            PortId(113),
-            Port {
-                id: PortId(113),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(112)),
-            },
-        );
-        ports.insert(
-            PortId(114),
-            Port {
-                id: PortId(114),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(113)),
-            },
-        );
-        ports.insert(
-            PortId(115),
-            Port {
-                id: PortId(115),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(114)),
-            },
-        );
-        ports.insert(
-            PortId(116),
-            Port {
-                id: PortId(116),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(115)),
-            },
-        );
-        ports.insert(
-            PortId(117),
-            Port {
-                id: PortId(117),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(118),
-            Port {
-                id: PortId(118),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(117)),
-            },
-        );
-        ports.insert(
-            PortId(119),
-            Port {
-                id: PortId(119),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(118)),
-            },
-        );
-        ports.insert(
-            PortId(120),
-            Port {
-                id: PortId(120),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(119)),
-            },
-        );
-        ports.insert(
-            PortId(121),
-            Port {
-                id: PortId(121),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(120)),
-            },
-        );
-        ports.insert(
-            PortId(122),
-            Port {
-                id: PortId(122),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(121)),
-            },
-        );
-        ports.insert(
-            PortId(123),
-            Port {
-                id: PortId(123),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(124),
-            Port {
-                id: PortId(124),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(123)),
-            },
-        );
-        ports.insert(
-            PortId(125),
-            Port {
-                id: PortId(125),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(124)),
-            },
-        );
-        ports.insert(
-            PortId(126),
-            Port {
-                id: PortId(126),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(125)),
-            },
-        );
-        ports.insert(
-            PortId(127),
-            Port {
-                id: PortId(127),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(126)),
-            },
-        );
-        ports.insert(
-            PortId(128),
-            Port {
-                id: PortId(128),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(127)),
-            },
-        );
-        ports.insert(
-            PortId(129),
-            Port {
-                id: PortId(129),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(130),
-            Port {
-                id: PortId(130),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(129)),
-            },
-        );
-        ports.insert(
-            PortId(131),
-            Port {
-                id: PortId(131),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(130)),
-            },
-        );
-        ports.insert(
-            PortId(132),
-            Port {
-                id: PortId(132),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(131)),
-            },
-        );
-        ports.insert(
-            PortId(133),
-            Port {
-                id: PortId(133),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(132)),
-            },
-        );
-        ports.insert(
-            PortId(134),
-            Port {
-                id: PortId(134),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(133)),
-            },
-        );
-        ports.insert(
-            PortId(135),
-            Port {
-                id: PortId(135),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(136),
-            Port {
-                id: PortId(136),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(135)),
-            },
-        );
-        ports.insert(
-            PortId(137),
-            Port {
-                id: PortId(137),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(136)),
-            },
-        );
-        ports.insert(
-            PortId(138),
-            Port {
-                id: PortId(138),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(137)),
-            },
-        );
-        ports.insert(
-            PortId(139),
-            Port {
-                id: PortId(139),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(138)),
-            },
-        );
-        ports.insert(
-            PortId(140),
-            Port {
-                id: PortId(140),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(139)),
-            },
-        );
-        ports.insert(
-            PortId(141),
-            Port {
-                id: PortId(141),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(142),
-            Port {
-                id: PortId(142),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(141)),
-            },
-        );
-        ports.insert(
-            PortId(143),
-            Port {
-                id: PortId(143),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(142)),
-            },
-        );
-        ports.insert(
-            PortId(144),
-            Port {
-                id: PortId(144),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(143)),
-            },
-        );
-        ports.insert(
-            PortId(145),
-            Port {
-                id: PortId(145),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(144)),
-            },
-        );
-        ports.insert(
-            PortId(146),
-            Port {
-                id: PortId(146),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(145)),
-            },
-        );
-        ports.insert(
-            PortId(147),
-            Port {
-                id: PortId(147),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(148),
-            Port {
-                id: PortId(148),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(147)),
-            },
-        );
-        ports.insert(
-            PortId(149),
-            Port {
-                id: PortId(149),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(148)),
-            },
-        );
-        ports.insert(
-            PortId(150),
-            Port {
-                id: PortId(150),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(149)),
-            },
-        );
-        ports.insert(
-            PortId(151),
-            Port {
-                id: PortId(151),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(150)),
-            },
-        );
-        ports.insert(
-            PortId(152),
-            Port {
-                id: PortId(152),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(151)),
-            },
-        );
-        ports.insert(
-            PortId(153),
-            Port {
-                id: PortId(153),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(147))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(154),
-            Port {
-                id: PortId(154),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(153)),
-            },
-        );
-        ports.insert(
-            PortId(155),
-            Port {
-                id: PortId(155),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(154)),
-            },
-        );
-        ports.insert(
-            PortId(156),
-            Port {
-                id: PortId(156),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(155)),
-            },
-        );
-        ports.insert(
-            PortId(157),
-            Port {
-                id: PortId(157),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(156)),
-            },
-        );
-        ports.insert(
-            PortId(158),
-            Port {
-                id: PortId(158),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(157)),
-            },
-        );
-        ports.insert(
-            PortId(159),
-            Port {
-                id: PortId(159),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(154))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(160),
-            Port {
-                id: PortId(160),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(159)),
-            },
-        );
-        ports.insert(
-            PortId(161),
-            Port {
-                id: PortId(161),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(160)),
-            },
-        );
-        ports.insert(
-            PortId(162),
-            Port {
-                id: PortId(162),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(161)),
-            },
-        );
-        ports.insert(
-            PortId(163),
-            Port {
-                id: PortId(163),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(162)),
-            },
-        );
-        ports.insert(
-            PortId(164),
-            Port {
-                id: PortId(164),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(163)),
-            },
-        );
-        ports.insert(
-            PortId(165),
-            Port {
-                id: PortId(165),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(125))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(166),
-            Port {
-                id: PortId(166),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(165)),
-            },
-        );
-        ports.insert(
-            PortId(167),
-            Port {
-                id: PortId(167),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(166)),
-            },
-        );
-        ports.insert(
-            PortId(168),
-            Port {
-                id: PortId(168),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(167)),
-            },
-        );
-        ports.insert(
-            PortId(169),
-            Port {
-                id: PortId(169),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(168)),
-            },
-        );
-        ports.insert(
-            PortId(170),
-            Port {
-                id: PortId(170),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(169)),
-            },
-        );
-        ports.insert(
-            PortId(171),
-            Port {
-                id: PortId(171),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(227))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(172),
-            Port {
-                id: PortId(172),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(171)),
-            },
-        );
-        ports.insert(
-            PortId(173),
-            Port {
-                id: PortId(173),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(172)),
-            },
-        );
-        ports.insert(
-            PortId(174),
-            Port {
-                id: PortId(174),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(173)),
-            },
-        );
-        ports.insert(
-            PortId(175),
-            Port {
-                id: PortId(175),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(174)),
-            },
-        );
-        ports.insert(
-            PortId(176),
-            Port {
-                id: PortId(176),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(175)),
-            },
-        );
-        ports.insert(
-            PortId(177),
-            Port {
-                id: PortId(177),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(128))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(178),
-            Port {
-                id: PortId(178),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(228))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(179),
-            Port {
-                id: PortId(179),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(177)),
-            },
-        );
-        ports.insert(
-            PortId(180),
-            Port {
-                id: PortId(180),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(178)),
-            },
-        );
-        ports.insert(
-            PortId(181),
-            Port {
-                id: PortId(181),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(179)),
-            },
-        );
-        ports.insert(
-            PortId(182),
-            Port {
-                id: PortId(182),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(180)),
-            },
-        );
-        ports.insert(
-            PortId(183),
-            Port {
-                id: PortId(183),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(181)),
-            },
-        );
-        ports.insert(
-            PortId(184),
-            Port {
-                id: PortId(184),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(182)),
-            },
-        );
-        ports.insert(
-            PortId(185),
-            Port {
-                id: PortId(185),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(183)),
-            },
-        );
-        ports.insert(
-            PortId(186),
-            Port {
-                id: PortId(186),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(184)),
-            },
-        );
-        ports.insert(
-            PortId(187),
-            Port {
-                id: PortId(187),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(185)),
-            },
-        );
-        ports.insert(
-            PortId(188),
-            Port {
-                id: PortId(188),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(186)),
-            },
-        );
-        ports.insert(
-            PortId(189),
-            Port {
-                id: PortId(189),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(187)),
-            },
-        );
-        ports.insert(
-            PortId(190),
-            Port {
-                id: PortId(190),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(188)),
-            },
-        );
-        ports.insert(
-            PortId(191),
-            Port {
-                id: PortId(191),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(189)),
-            },
-        );
-        ports.insert(
-            PortId(192),
-            Port {
-                id: PortId(192),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(190)),
-            },
-        );
-        ports.insert(
-            PortId(193),
-            Port {
-                id: PortId(193),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(191)),
-            },
-        );
-        ports.insert(
-            PortId(194),
-            Port {
-                id: PortId(194),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(192)),
-            },
-        );
-        ports.insert(
-            PortId(195),
-            Port {
-                id: PortId(195),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(193)),
-            },
-        );
-        ports.insert(
-            PortId(196),
-            Port {
-                id: PortId(196),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(194)),
-            },
-        );
-        ports.insert(
-            PortId(197),
-            Port {
-                id: PortId(197),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(195)),
-            },
-        );
-        ports.insert(
-            PortId(198),
-            Port {
-                id: PortId(198),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(196)),
-            },
-        );
-        ports.insert(
-            PortId(199),
-            Port {
-                id: PortId(199),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(197)),
-            },
-        );
-        ports.insert(
-            PortId(200),
-            Port {
-                id: PortId(200),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(198)),
-            },
-        );
-        ports.insert(
-            PortId(201),
-            Port {
-                id: PortId(201),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(199)),
-            },
-        );
-        ports.insert(
-            PortId(202),
-            Port {
-                id: PortId(202),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(200)),
-            },
-        );
-        ports.insert(
-            PortId(203),
-            Port {
-                id: PortId(203),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(201)),
-            },
-        );
-        ports.insert(
-            PortId(204),
-            Port {
-                id: PortId(204),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(202)),
-            },
-        );
-        ports.insert(
-            PortId(205),
-            Port {
-                id: PortId(205),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(203)),
-            },
-        );
-        ports.insert(
-            PortId(206),
-            Port {
-                id: PortId(206),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(204)),
-            },
-        );
-        ports.insert(
-            PortId(207),
-            Port {
-                id: PortId(207),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(205)),
-            },
-        );
-        ports.insert(
-            PortId(208),
-            Port {
-                id: PortId(208),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(206)),
-            },
-        );
-        ports.insert(
-            PortId(209),
-            Port {
-                id: PortId(209),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(207)),
-            },
-        );
-        ports.insert(
-            PortId(210),
-            Port {
-                id: PortId(210),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(208)),
-            },
-        );
-        ports.insert(
-            PortId(211),
-            Port {
-                id: PortId(211),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(209)),
-            },
-        );
-        ports.insert(
-            PortId(212),
-            Port {
-                id: PortId(212),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(210)),
-            },
-        );
-        ports.insert(
-            PortId(213),
-            Port {
-                id: PortId(213),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(211)),
-            },
-        );
-        ports.insert(
-            PortId(214),
-            Port {
-                id: PortId(214),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(212)),
-            },
-        );
-        ports.insert(
-            PortId(215),
-            Port {
-                id: PortId(215),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(213)),
-            },
-        );
-        ports.insert(
-            PortId(216),
-            Port {
-                id: PortId(216),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(214)),
-            },
-        );
-        ports.insert(
-            PortId(217),
-            Port {
-                id: PortId(217),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(215)),
-            },
-        );
-        ports.insert(
-            PortId(218),
-            Port {
-                id: PortId(218),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(216)),
-            },
-        );
-        ports.insert(
-            PortId(219),
-            Port {
-                id: PortId(219),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(217)),
-            },
-        );
-        ports.insert(
-            PortId(220),
-            Port {
-                id: PortId(220),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(218)),
-            },
-        );
-        ports.insert(
-            PortId(221),
-            Port {
-                id: PortId(221),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(219)),
-            },
-        );
-        ports.insert(
-            PortId(222),
-            Port {
-                id: PortId(222),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(220)),
-            },
-        );
-        ports.insert(
-            PortId(223),
-            Port {
-                id: PortId(223),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(221)),
-            },
-        );
-        ports.insert(
-            PortId(224),
-            Port {
-                id: PortId(224),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(222)),
-            },
-        );
-        ports.insert(
-            PortId(225),
-            Port {
-                id: PortId(225),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(223)),
-            },
-        );
-        ports.insert(
-            PortId(226),
-            Port {
-                id: PortId(226),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(224)),
-            },
-        );
-        ports.insert(
-            PortId(227),
-            Port {
-                id: PortId(227),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(225)),
-            },
-        );
-        ports.insert(
-            PortId(228),
-            Port {
-                id: PortId(228),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(226)),
-            },
-        );
-        ports.insert(
-            PortId(229),
-            Port {
-                id: PortId(229),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(227)),
-            },
-        );
-        ports.insert(
-            PortId(230),
-            Port {
-                id: PortId(230),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(228)),
-            },
-        );
-        ports.insert(
-            PortId(231),
-            Port {
-                id: PortId(231),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(229)),
-            },
-        );
-        ports.insert(
-            PortId(232),
-            Port {
-                id: PortId(232),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(230)),
-            },
-        );
-        ports.insert(
-            PortId(233),
-            Port {
-                id: PortId(233),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(231)),
-            },
-        );
-        ports.insert(
-            PortId(234),
-            Port {
-                id: PortId(234),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(232)),
-            },
-        );
-        ports.insert(
-            PortId(235),
-            Port {
-                id: PortId(235),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(233)),
-            },
-        );
-        ports.insert(
-            PortId(236),
-            Port {
-                id: PortId(236),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(234)),
-            },
-        );
-        ports.insert(
-            PortId(237),
-            Port {
-                id: PortId(237),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(235)),
-            },
-        );
-        ports.insert(
-            PortId(238),
-            Port {
-                id: PortId(238),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(236)),
-            },
-        );
-        ports.insert(
-            PortId(239),
-            Port {
-                id: PortId(239),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(237)),
-            },
-        );
-        ports.insert(
-            PortId(240),
-            Port {
-                id: PortId(240),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(238)),
-            },
-        );
-        ports.insert(
-            PortId(241),
-            Port {
-                id: PortId(241),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(239)),
-            },
-        );
-        ports.insert(
-            PortId(242),
-            Port {
-                id: PortId(242),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(240)),
-            },
-        );
-        ports.insert(
-            PortId(243),
-            Port {
-                id: PortId(243),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(241)),
-            },
-        );
-        ports.insert(
-            PortId(244),
-            Port {
-                id: PortId(244),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(242)),
-            },
-        );
-        ports.insert(
-            PortId(245),
-            Port {
-                id: PortId(245),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(243)),
-            },
-        );
-        ports.insert(
-            PortId(246),
-            Port {
-                id: PortId(246),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(244)),
-            },
-        );
-        ports.insert(
-            PortId(247),
-            Port {
-                id: PortId(247),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(245)),
-            },
-        );
-        ports.insert(
-            PortId(248),
-            Port {
-                id: PortId(248),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(246)),
-            },
-        );
-        ports.insert(
-            PortId(249),
-            Port {
-                id: PortId(249),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(247)),
-            },
-        );
-        ports.insert(
-            PortId(250),
-            Port {
-                id: PortId(250),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(248)),
-            },
-        );
-        ports.insert(
-            PortId(251),
-            Port {
-                id: PortId(251),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(124))),
-                produced_by: Some(NodeId(249)),
-            },
-        );
-        ports.insert(
-            PortId(252),
-            Port {
-                id: PortId(252),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(128))),
-                produced_by: None,
-            },
-        );
-        ports.insert(
-            PortId(253),
-            Port {
-                id: PortId(253),
-                state: PortState::Uninferred,
-                produced_by: Some(NodeId(251)),
-            },
-        );
-        ports.insert(
-            PortId(254),
-            Port {
-                id: PortId(254),
-                state: PortState::Resolved(TypeShape::new(DeclarationId(87))),
-                produced_by: Some(NodeId(252)),
-            },
-        );
-        ports
-    }
-}
-
-fn bootstrapped_std_fixture_dag_diagnostics() -> DiagnosticTable {
-    DiagnosticTable::new()
-}
-
-fn bootstrapped_std_fixture_dag_clusters() -> Vec<Cluster> {
-    vec![]
-}
-
-fn bootstrapped_std_fixture_dag_optional_match_disjs() -> HashMap<DeclarationId, DeclarationId> {
-    HashMap::new()
-}
diff --git a/src/v3/compiler/src/boundary_emit_gates.rs b/src/v3/compiler/src/boundary_emit_gates.rs
deleted file mode 100644
index a35e10e1ada..00000000000
--- a/src/v3/compiler/src/boundary_emit_gates.rs
+++ /dev/null
@@ -1,166 +0,0 @@
-//! Boundary emit-gate check functions shared by hand-Rust `#[test]` harnesses and
-//! the `boundary_emit_gates` `bin` (`ExecuteCommand` logical child for `.dag`
-//! `TestClaim` wrappers under `tests/dag/`).
-//!
-//! Each `check_*` returns `Ok(())` or `Err(String)`. The bin maps to exit 0/1;
-//! `ExecuteCommand` reads only the exit code.
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-use crate::compile_to_dag;
-use crate::emit::emit_python_text;
-use crate::emit_rust::emit_rust_module;
-
-const M2_PROBE_DAG: &str = "\
-module test.emit.multi_field_struct_variant
-
-import std.substrate { Declaration, TypeConnective, ArrowBody }
-
-fn is_arrow_pending(decl: Declaration) -> Bool =
-  match decl.connective {
-    Atom(payload) => false
-    Conj(c) => false
-    Disj(d) => false
-    Arrow(a) => is_pending(a.body)
-    Cardinality(c) => false
-    Instantiation(i) => false
-  }
-
-fn is_pending(body: ArrowBody) -> Bool =
-  match body {
-    UserDefined(n) => false
-    ExternalRealization(e) => false
-    Pending => true
-    NoBody => false
-    Unparsed(s) => false
-  }
-";
-
-static ROUNDTRIP_ID: AtomicUsize = AtomicUsize::new(0);
-
-fn next_roundtrip_dir() -> PathBuf {
-    let id = ROUNDTRIP_ID.fetch_add(1, Ordering::Relaxed);
-    std::env::temp_dir().join(format!(
-        "v3_boundary_emit_roundtrip_{}_{}",
-        std::process::id(),
-        id
-    ))
-}
-
-fn emit_m2_probe_rust() -> Result<String, String> {
-    let dag = compile_to_dag(M2_PROBE_DAG, "probe.dag")
-        .map_err(|e| format!("probe .dag compile failed: {e:?}"))?;
-    if !dag.diagnostics().is_empty() {
-        return Err(format!(
-            "probe .dag must compile cleanly, got {:?}",
-            dag.diagnostics()
-        ));
-    }
-    emit_rust_module(&dag).map_err(|e| format!("emit Rust module failed: {e:?}"))
-}
-
-/// Host receipt: `m2_emit_multi_field_struct_variant_test::multi_field_struct_variant_match_emits_aliased_field_destructure`.
-pub fn check_m2_multi_field_struct_variant_destructure_alias() -> Result<(), String> {
-    let rust = emit_m2_probe_rust()?;
-    if !rust.contains("body: __a_body") {
-        return Err(format!(
-            "expected `body: __a_body` destructure in emitted Rust; got:\n{rust}"
-        ));
-    }
-    if rust.contains("body: _,") || rust.contains("body: _ }") {
-        return Err(format!(
-            "wildcard `body: _` would drop the binding the fix routes through; got:\n{rust}"
-        ));
-    }
-    Ok(())
-}
-
-/// Host receipt: `m2_emit_multi_field_struct_variant_test::multi_field_struct_variant_arm_body_uses_aliased_reference`.
-pub fn check_m2_multi_field_struct_variant_arm_aliased_ref() -> Result<(), String> {
-    let rust = emit_m2_probe_rust()?;
-    if !rust.contains("__a_body") {
-        return Err(format!(
-            "emitted arm body must reference the aliased `__a_body`; got:\n{rust}"
-        ));
-    }
-    if rust.contains("(a).body") || rust.contains("((a).body)") {
-        return Err(format!(
-            "pre-fix `(a).body` access must not appear in emitted Rust; got:\n{rust}"
-        ));
-    }
-    Ok(())
-}
-
-/// Host receipt: `m2_emit_multi_field_struct_variant_test::multi_field_struct_variant_emitted_rust_is_valid_syntax`.
-pub fn check_m2_multi_field_struct_variant_rustfmt_valid() -> Result<(), String> {
-    let rust = emit_m2_probe_rust()?;
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .stderr(Stdio::piped())
-        .spawn()
-        .map_err(|e| format!("spawn rustfmt: {e}"))?;
-    child
-        .stdin
-        .as_mut()
-        .ok_or_else(|| "rustfmt stdin".to_string())?
-        .write_all(rust.as_bytes())
-        .map_err(|e| format!("write to rustfmt: {e}"))?;
-    let output = child
-        .wait_with_output()
-        .map_err(|e| format!("wait rustfmt: {e}"))?;
-    if !output.status.success() {
-        return Err(format!(
-            "emitted Rust did not parse through rustfmt; stderr:\n{}",
-            String::from_utf8_lossy(&output.stderr)
-        ));
-    }
-    Ok(())
-}
-
-fn python_stdout(source: &str, file_name: &str) -> Result<String, String> {
-    let dag = compile_to_dag(source, file_name)
-        .map_err(|e| format!("compiled python program source: {e:?}"))?;
-    let rendered = emit_python_text(&dag).map_err(|e| format!("emit python program: {e:?}"))?;
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).map_err(|e| format!("create tmp dir: {e}"))?;
-    let src_path = tmp_dir.join("main.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .map_err(|e| format!("write emitted python source: {e}"))?;
-
-    let run = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .map_err(|e| format!("run python3: {e}"))?;
-    if !run.status.success() {
-        return Err(format!(
-            "python3 failed on emitted source:\n{rendered}\nstderr:\n{}",
-            String::from_utf8_lossy(&run.stderr)
-        ));
-    }
-    Ok(String::from_utf8_lossy(&run.stdout).trim().to_string())
-}
-
-/// Host receipt: `m1_4_emit_python_test::emit_python_checked_division_roundtrips_ok_and_errors`.
-///
-/// Structural migration target for `t_pb_b_1_execute_command_boundary.dag` (shell smoke only);
-/// this check exercises real CPython on emitted division programs.
-pub fn check_python_checked_division_roundtrips() -> Result<(), String> {
-    let ok = python_stdout("let x = 6 / 2\n", "python_div_ok.v3")?;
-    if ok != "('Ok', 3)" {
-        return Err(format!("6/2 roundtrip: expected `('Ok', 3)`, got `{ok}`"));
-    }
-    let zero = python_stdout("let x = 6 / 0\n", "python_div_zero.v3")?;
-    if zero != "('Err', <DivError.DivideByZero: 0>)" {
-        return Err(format!(
-            "6/0 roundtrip: expected `('Err', <DivError.DivideByZero: 0>)`, got `{zero}`"
-        ));
-    }
-    Ok(())
-}
diff --git a/src/v3/compiler/src/bounded_host_command.rs b/src/v3/compiler/src/bounded_host_command.rs
deleted file mode 100644
index 7585ad86bd1..00000000000
--- a/src/v3/compiler/src/bounded_host_command.rs
+++ /dev/null
@@ -1,243 +0,0 @@
-//! Bounded host subprocess execution (P2 process boundary / P4 wall-clock cap).
-//!
-//! Shared by [`crate::post_emit_verifier::run_post_emit_verifier`] and the W1 /
-//! L5 harness in [`crate::test_runner`]. Fail-closed vs unbounded
-//! [`std::process::Command::output`] and unbounded `read_to_end` on verbose children.
-//!
-//! Wall budget covers **child wait and pipe drain**: if the direct child exits while
-//! process-group descendants still hold pipe write ends, drain threads get EOF only
-//! after the group is killed or the overall deadline trips.
-
-use std::io::Read;
-use std::process::{Child, Command, Output, Stdio};
-use std::thread::JoinHandle;
-use std::time::{Duration, Instant};
-
-/// Default wall-clock for post-emit verifiers and W1 host children (matches
-/// [`crate::test_runner::EXECUTE_COMMAND_WALL_TIMEOUT`]).
-pub const DEFAULT_WALL_TIMEOUT: Duration = Duration::from_secs(30);
-
-const WAIT_POLL: Duration = Duration::from_millis(20);
-
-const DRAIN_JOIN_GRACE_POLLS: u32 = 50;
-
-const DRAIN_CHUNK_BYTES: usize = 8192;
-
-/// Max bytes retained from a host child's **stdout**; drain to EOF after the cap.
-pub const CAPTURE_MAX_STDOUT_BYTES: usize = 16 * 1024;
-
-/// Max bytes retained from a host child's **stderr**; drain to EOF after the cap.
-pub const CAPTURE_MAX_STDERR_BYTES: usize = 256 * 1024;
-
-/// Host child ready to spawn: stdin null, stdout/stderr piped, process group on Unix.
-///
-/// Construct only via [`prepare_host_command`]; [`host_command_output`] rejects plain
-/// [`Command`] so P2 boundary shape cannot depend on caller call-order convention.
-#[must_use]
-pub struct PreparedHostCommand(Command);
-
-#[derive(Debug)]
-struct BoundedPipeCapture {
-    bytes: Vec<u8>,
-    truncated: bool,
-}
-
-fn drain_reader_bounded(
-    mut r: impl Read,
-    max_stored: usize,
-) -> std::io::Result<BoundedPipeCapture> {
-    let mut buf = Vec::new();
-    let mut truncated = false;
-    let mut scratch = [0u8; DRAIN_CHUNK_BYTES];
-    loop {
-        let n = r.read(&mut scratch)?;
-        if n == 0 {
-            break;
-        }
-        if buf.len() >= max_stored {
-            truncated = true;
-            continue;
-        }
-        let room = max_stored - buf.len();
-        if n <= room {
-            buf.extend_from_slice(&scratch[..n]);
-        } else {
-            buf.extend_from_slice(&scratch[..room]);
-            truncated = true;
-        }
-    }
-    Ok(BoundedPipeCapture {
-        bytes: buf,
-        truncated,
-    })
-}
-
-fn apply_host_process_boundary(cmd: &mut Command) {
-    cmd.stdin(Stdio::null())
-        .stdout(Stdio::piped())
-        .stderr(Stdio::piped());
-    #[cfg(unix)]
-    {
-        use std::os::unix::process::CommandExt;
-        unsafe {
-            cmd.pre_exec(|| {
-                if libc::setpgid(0, 0) != 0 {
-                    return Err(std::io::Error::last_os_error());
-                }
-                Ok(())
-            });
-        }
-    }
-}
-
-/// Apply P2/P4 host-child boundary (null stdin, piped stdout/stderr, process group).
-pub fn prepare_host_command(cmd: Command) -> PreparedHostCommand {
-    let mut cmd = cmd;
-    apply_host_process_boundary(&mut cmd);
-    PreparedHostCommand(cmd)
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum ChildWaitFail {
-    WallTimeout { wall_time: Duration },
-    Io(String),
-}
-
-#[cfg(unix)]
-fn kill_process_group(pgid: i32) {
-    use libc::{kill, SIGKILL};
-    if pgid > 0 && unsafe { kill(-pgid, SIGKILL) } < 0 {
-        // Best-effort: group may already be gone.
-    }
-}
-
-#[cfg(not(unix))]
-fn kill_process_group(_pgid: i32) {}
-
-fn reap_host_child(child: &mut Child, pgid: i32) {
-    kill_process_group(pgid);
-    let _ = child.kill();
-    let _ = child.wait();
-}
-
-fn child_wait_until(
-    child: &mut Child,
-    deadline: Instant,
-    wall_time: Duration,
-) -> Result<std::process::ExitStatus, ChildWaitFail> {
-    loop {
-        match child.try_wait() {
-            Ok(Some(status)) => return Ok(status),
-            Ok(None) => {
-                if Instant::now() >= deadline {
-                    reap_host_child(child, child.id() as i32);
-                    return Err(ChildWaitFail::WallTimeout { wall_time });
-                }
-                std::thread::sleep(WAIT_POLL);
-            }
-            Err(err) => return Err(ChildWaitFail::Io(format!("{err}"))),
-        }
-    }
-}
-
-fn join_pipe_capture(
-    handle: JoinHandle<std::io::Result<BoundedPipeCapture>>,
-    deadline: Instant,
-    pgid: i32,
-    stream: &str,
-    label: &str,
-) -> Result<BoundedPipeCapture, String> {
-    while !handle.is_finished() {
-        if Instant::now() >= deadline {
-            kill_process_group(pgid);
-            for _ in 0..DRAIN_JOIN_GRACE_POLLS {
-                if handle.is_finished() {
-                    break;
-                }
-                std::thread::sleep(WAIT_POLL);
-            }
-            if !handle.is_finished() {
-                return Err(format!(
-                    "{label}: {stream} drain exceeded wall-clock budget (process group {pgid} killed, fail-closed)"
-                ));
-            }
-        }
-        std::thread::sleep(WAIT_POLL);
-    }
-    handle
-        .join()
-        .map_err(|_| format!("{label}: {stream} capture thread panicked"))?
-        .map_err(|e| format!("{label}: read {stream} failed: {e}"))
-}
-
-/// `spawn` + wall-bounded wait + bounded stdout/stderr capture.
-pub fn host_command_output(
-    label: &str,
-    wall: Duration,
-    prepared: PreparedHostCommand,
-) -> Result<Output, String> {
-    let PreparedHostCommand(mut cmd) = prepared;
-    let started = Instant::now();
-    let deadline = started + wall;
-
-    let mut child = cmd
-        .spawn()
-        .map_err(|e| format!("{label}: failed to spawn host child: {e}"))?;
-    let pgid = child.id() as i32;
-
-    let Some(mut stdout) = child.stdout.take() else {
-        reap_host_child(&mut child, pgid);
-        return Err(format!(
-            "{label}: internal error: stdout not piped after prepare_host_command"
-        ));
-    };
-    let Some(mut stderr) = child.stderr.take() else {
-        reap_host_child(&mut child, pgid);
-        return Err(format!(
-            "{label}: internal error: stderr not piped after prepare_host_command"
-        ));
-    };
-
-    let stdout_handle =
-        std::thread::spawn(move || drain_reader_bounded(&mut stdout, CAPTURE_MAX_STDOUT_BYTES));
-    let stderr_handle =
-        std::thread::spawn(move || drain_reader_bounded(&mut stderr, CAPTURE_MAX_STDERR_BYTES));
-
-    let status = match child_wait_until(&mut child, deadline, wall) {
-        Ok(s) => s,
-        Err(ChildWaitFail::WallTimeout { wall_time }) => {
-            let _ = join_pipe_capture(stdout_handle, deadline, pgid, "stdout", label);
-            let _ = join_pipe_capture(stderr_handle, deadline, pgid, "stderr", label);
-            return Err(format!(
-                "{label}: exceeded {:.2}s wall-clock limit (process group killed, fail-closed)",
-                wall_time.as_secs_f64()
-            ));
-        }
-        Err(ChildWaitFail::Io(err)) => {
-            reap_host_child(&mut child, pgid);
-            let _ = join_pipe_capture(stdout_handle, deadline, pgid, "stdout", label);
-            let _ = join_pipe_capture(stderr_handle, deadline, pgid, "stderr", label);
-            return Err(format!("{label}: wait on host child failed: {err}"));
-        }
-    };
-
-    let stdout_cap = join_pipe_capture(stdout_handle, deadline, pgid, "stdout", label)?;
-    let stderr_cap = join_pipe_capture(stderr_handle, deadline, pgid, "stderr", label)?;
-
-    if stdout_cap.truncated || stderr_cap.truncated {
-        return Err(format!(
-            "{label}: bounded host I/O exceeded (stdout cap {} B, stderr cap {} B; stdout_trunc={} stderr_trunc={}); child exit={:?}",
-            CAPTURE_MAX_STDOUT_BYTES,
-            CAPTURE_MAX_STDERR_BYTES,
-            stdout_cap.truncated,
-            stderr_cap.truncated,
-            status.code(),
-        ));
-    }
-
-    Ok(Output {
-        status,
-        stdout: stdout_cap.bytes,
-        stderr: stderr_cap.bytes,
-    })
-}
diff --git a/src/v3/compiler/src/cementing_dispatch.rs b/src/v3/compiler/src/cementing_dispatch.rs
deleted file mode 100644
index 82dc5b6053b..00000000000
--- a/src/v3/compiler/src/cementing_dispatch.rs
+++ /dev/null
@@ -1,644 +0,0 @@
-//! Band-C cementing dispatch — [`crate::test_runner::TestPredicate::CementingDispatchMatchesProjection`].
-//!
-//! SG-0 / INVARIANTS P5: hand-authored `src/v3/compiler/src/` module — register the path in
-//! `EXPECTED_HAND_AUTHORED_NON_TEST` inside `tests/integration/sg0_census_test.rs` when this
-//! file ships or changes materially.
-//!
-//! Projects `LensRegistryEntry` rows from the bootstrapped `regen.dag` authority against
-//! `std.verification` `lens_capability_register_rows` (closed coproduct status axes per
-//! `docs/design-tests-as-data-completeness.md` §8.3), then validates the Band-C receipt list
-//! in `cementing_dispatch.dag` and on-disk harness artifacts.
-//!
-//! **Interim host coupling:** validating `temporary-rust` receipts scans `tests/integration.rs`
-//! once per predicate evaluation (see `std::fs::read_to_string` below). Dissolution: consume
-//! reflected wiring facts at the runner edge so Band-C dispatch does not depend on crate layout
-//! + host FS for this check.
-//!
-//! **Interim projection bridge:** `expected_cementing_receipt_triples` is a fail-closed Rust match
-//! from `(registry_name, regen lens_file basename)` to the canonical receipt triples the
-//! `cementing_band_c_v2_complete_receipts` list must equal. The basename filter includes
-//! v2-oracle-complete rows **and** v3-native behaviorally complete rows (`LensCapabilityV2NoneV3Native`).
-//! Dissolution: move that expansion into
-//! `.dag` data (fixture or `std.verification`) so the predicate reads a single structural receipt
-//! roster keyed off the register ∩ `regen.dag` projection, with no parallel Rust roster.
-
-use std::collections::{BTreeMap, BTreeSet, HashSet};
-use std::path::Path as FsPath;
-
-use crate::dag::{Dag, FieldValue, LiteralBits, TypeConnective, ValueBody};
-use crate::integration_rs_wiring_scan::integration_rs_cementing_path_attr_binds_mod_stem;
-use crate::r3_gate_87_cementing_regen_runner_suites::r3_gate_87_cementing_regen_pb_b1_dag_module_stems;
-
-fn record_field<'a>(fields: &'a [(String, FieldValue)], label: &str) -> Option<&'a FieldValue> {
-    fields
-        .iter()
-        .find(|(candidate, _)| candidate == label)
-        .map(|(_, value)| value)
-}
-
-fn string_field(fields: &[(String, FieldValue)], label: &str) -> Result<String, String> {
-    match record_field(fields, label) {
-        Some(FieldValue::Literal(LiteralBits::String(value))) => Ok(value.clone()),
-        Some(other) => Err(format!("`{label}` must be a string literal, got {other:?}")),
-        None => Err(format!("record is missing string field `{label}`")),
-    }
-}
-
-fn disj_variants(
-    dag: &Dag,
-    type_name: &str,
-) -> Result<Vec<(String, crate::dag::DeclarationId)>, String> {
-    let sum_decl = dag.declaration_by_name(type_name).ok_or_else(|| {
-        format!(
-            "merged DAG missing nullary sum `{type_name}` — expected `std.verification` for lens \
-             capability axes, or `tests/dag/cementing_dispatch.dag` for `CementingBandCReceiptKind`"
-        )
-    })?;
-    let TypeConnective::Disj { variants } = &sum_decl.connective else {
-        return Err(format!("`{type_name}` must be a Disj coproduct"));
-    };
-    Ok(variants.iter().map(|v| (v.label.clone(), v.ty)).collect())
-}
-
-fn decode_nullary_sum_variant(
-    dag: &Dag,
-    sum_type_name: &str,
-    value: &FieldValue,
-    field_label: &str,
-    record_role: &str,
-) -> Result<String, String> {
-    let variants = disj_variants(dag, sum_type_name)?;
-    let allowed: HashSet<crate::dag::DeclarationId> = variants.iter().map(|(_, id)| *id).collect();
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(format!(
-            "{record_role} `{field_label}` must be a closed sum variant of `{sum_type_name}`; got {value:?}"
-        ));
-    };
-    if !payload.is_empty() {
-        return Err(format!(
-            "{record_role} `{field_label}`: unexpected variant payload (expected nullary `{sum_type_name}` arm)"
-        ));
-    }
-    if !allowed.contains(constructor) {
-        return Err(format!(
-            "{record_role} `{field_label}`: constructor id {:?} is not a declared variant of `{sum_type_name}`",
-            constructor
-        ));
-    }
-    variants
-        .iter()
-        .find(|(_, id)| id == constructor)
-        .map(|(label, _)| label.clone())
-        .ok_or_else(|| {
-            format!(
-                "{record_role} `{field_label}`: internal mismatch resolving `{sum_type_name}` variant"
-            )
-        })
-}
-
-/// Maps `CementingBandCReceiptKind` variant labels to the stable wire tags used in
-/// `expected_cementing_receipt_triples` and on-disk dispatch branches.
-fn cementing_receipt_kind_wire_tag(sum_variant_label: &str) -> Result<&'static str, String> {
-    match sum_variant_label {
-        "DagHarness" => Ok("dag"),
-        "TemporaryRustModule" => Ok("temporary-rust"),
-        other => Err(format!(
-            "cementing receipt `kind`: unknown `CementingBandCReceiptKind` variant `{other}`"
-        )),
-    }
-}
-
-fn decode_cementing_band_c_receipt_kind(
-    dag: &Dag,
-    value: &FieldValue,
-    field_label: &str,
-) -> Result<&'static str, String> {
-    let label = decode_nullary_sum_variant(
-        dag,
-        "CementingBandCReceiptKind",
-        value,
-        field_label,
-        "cementing receipt row",
-    )?;
-    cementing_receipt_kind_wire_tag(&label)
-}
-
-fn record_fields(value: &FieldValue) -> Option<&[(String, FieldValue)]> {
-    match value {
-        FieldValue::Record(fields) => Some(fields.as_slice()),
-        _ => None,
-    }
-}
-
-fn resolve_declaration_ref_id(
-    value: &FieldValue,
-    field_label: &str,
-) -> Result<crate::dag::DeclarationId, String> {
-    match value {
-        FieldValue::Reference(id) => Ok(*id),
-        FieldValue::Record(fields) if fields.is_empty() => Err(format!(
-            "`{field_label}`: DeclarationRef is the empty record literal {{}} — use an identifier \
-             so lowering emits FieldValue::Reference(DeclarationId), not an empty record",
-        )),
-        other => Err(format!(
-            "`{field_label}`: expected FieldValue::Reference(DeclarationId) \
-             for a DeclarationRef edge, got {other:?}"
-        )),
-    }
-}
-
-fn list_items_of_declaration(
-    dag: &Dag,
-    id: crate::dag::DeclarationId,
-    role: &str,
-) -> Result<Vec<FieldValue>, String> {
-    let decl = dag.declaration(id);
-    match &decl.value_body {
-        Some(ValueBody::List(items)) => Ok(items.clone()),
-        other => Err(format!(
-            "`{role}` must resolve to a `List<…>` data declaration; got {:?} for `{}`",
-            other,
-            decl.name.as_deref().unwrap_or("<anonymous>")
-        )),
-    }
-}
-
-fn read_lens_registry_name_lens_file_pairs(dag: &Dag) -> Result<Vec<(String, String)>, String> {
-    let entry_type_id = dag
-        .declaration_by_name("LensRegistryEntry")
-        .map(|decl| decl.id)
-        .ok_or_else(|| "bootstrap must declare `LensRegistryEntry` (regen.dag)".to_string())?;
-
-    let mut pairs = Vec::new();
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(entry_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            return Err(format!(
-                "lens registry entry `{}` must carry a structural value body",
-                decl.name.as_deref().unwrap_or("<anonymous>")
-            ));
-        };
-        let binding = decl
-            .name
-            .clone()
-            .unwrap_or_else(|| "<anonymous>".to_string());
-        pairs.push((
-            string_field(fields, "name")
-                .map_err(|e| format!("lens registry entry `{binding}`: {e}"))?,
-            string_field(fields, "lens_file")
-                .map_err(|e| format!("lens registry entry `{binding}`: {e}"))?,
-        ));
-    }
-    Ok(pairs)
-}
-
-/// Closed roster of Band-C `(registry_name, module_stem, kind)` receipts implied by the
-/// current `regen.dag` × cementing register projection. When a new projected lens lands
-/// in `regen.dag`, extend this expansion in the same PR as `cementing_dispatch.dag`
-/// receipt rows — otherwise the dispatch predicate fail-closes with an explicit error.
-fn expected_cementing_receipt_triples(
-    registry_pairs: &[(String, String)],
-    basenames: &BTreeSet<String>,
-) -> Result<BTreeSet<(String, String, String)>, String> {
-    let mut out = BTreeSet::new();
-    for (name, lens_file) in registry_pairs {
-        let basename = FsPath::new(lens_file)
-            .file_name()
-            .and_then(|s| s.to_str())
-            .ok_or_else(|| {
-                format!("registry entry `{name}` has lens_file without basename: {lens_file}")
-            })?
-            .to_string();
-        if !basenames.contains(&basename) {
-            continue;
-        }
-        match (name.as_str(), basename.as_str()) {
-            ("cost", "complexity.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_cost".to_string(),
-                    "dag".to_string(),
-                ));
-                out.insert((
-                    name.clone(),
-                    "complexity_lens_behavioral_completion".to_string(),
-                    "temporary-rust".to_string(),
-                ));
-            }
-            ("cost_symbolic", "cost.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_cost_symbolic".to_string(),
-                    "dag".to_string(),
-                ));
-                out.insert((
-                    name.clone(),
-                    "cost_lens_symbolic_consumer_test".to_string(),
-                    "temporary-rust".to_string(),
-                ));
-            }
-            ("effect_enumeration", "effect_enumeration.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_effect_enumeration".to_string(),
-                    "dag".to_string(),
-                ));
-            }
-            ("idempotency", "idempotency.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_idempotency".to_string(),
-                    "dag".to_string(),
-                ));
-            }
-            ("parallelism", "parallelism.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_parallelism".to_string(),
-                    "dag".to_string(),
-                ));
-            }
-            ("provenance", "provenance.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_provenance".to_string(),
-                    "dag".to_string(),
-                ));
-            }
-            ("structural_resolution", "structural_resolution.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_structural_resolution".to_string(),
-                    "dag".to_string(),
-                ));
-            }
-            ("unused_parameters", "unused_parameters.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_unused_parameters".to_string(),
-                    "dag".to_string(),
-                ));
-            }
-            ("variant_payload", "variant_payload.dag") => {
-                out.insert((
-                    name.clone(),
-                    "t_r3_gate_87_cementing_regen_variant_payload".to_string(),
-                    "dag".to_string(),
-                ));
-            }
-            _ => {
-                return Err(format!(
-                    "Band-C cementing projection includes `LensRegistryEntry` \
-                     (`name={name}`, `lens_file` basename `{basename}`) but \
-                     `expected_cementing_receipt_triples` has no receipt expansion — \
-                     land matching `cementing_band_c_v2_complete_receipts` rows in \
-                     `cementing_dispatch.dag` and extend the expansion table in \
-                     `cementing_dispatch.rs` in the same PR."
-                ));
-            }
-        }
-    }
-    Ok(out)
-}
-
-fn parse_capability_register_row(
-    dag: &Dag,
-    row: &FieldValue,
-) -> Result<(String, String, String, String), String> {
-    let Some(fields) = record_fields(row) else {
-        return Err(format!(
-            "capability_register list: expected record row, got {row:?}"
-        ));
-    };
-    let lens_basename = string_field(fields, "lens_basename")?;
-    let structural = record_field(fields, "structural").ok_or_else(|| {
-        "capability_register row: missing `structural` field (expected \
-         `LensCapabilityStructuralStatus` variant)"
-            .to_string()
-    })?;
-    let behavioral = record_field(fields, "behavioral").ok_or_else(|| {
-        "capability_register row: missing `behavioral` field (expected \
-         `LensCapabilityBehavioralStatus` variant)"
-            .to_string()
-    })?;
-    let v2 = record_field(fields, "v2_counterpart").ok_or_else(|| {
-        "capability_register row: missing `v2_counterpart` field (expected \
-         `LensCapabilityV2Counterpart` variant)"
-            .to_string()
-    })?;
-    let structural_label = decode_nullary_sum_variant(
-        dag,
-        "LensCapabilityStructuralStatus",
-        structural,
-        "structural",
-        "capability_register row",
-    )?;
-    let behavioral_label = decode_nullary_sum_variant(
-        dag,
-        "LensCapabilityBehavioralStatus",
-        behavioral,
-        "behavioral",
-        "capability_register row",
-    )?;
-    let v2_label = decode_nullary_sum_variant(
-        dag,
-        "LensCapabilityV2Counterpart",
-        v2,
-        "v2_counterpart",
-        "capability_register row",
-    )?;
-    Ok((lens_basename, structural_label, behavioral_label, v2_label))
-}
-
-fn v2_cementing_basenames_from_capability_rows(
-    dag: &Dag,
-    capability_rows: &[FieldValue],
-) -> Result<BTreeSet<String>, String> {
-    let mut basenames = BTreeSet::new();
-    for row in capability_rows {
-        let (lens_basename, _structural_label, behavioral_label, v2_label) =
-            parse_capability_register_row(dag, row)?;
-        let is_v2_complete = behavioral_label == "LensCapabilityBehavioralComplete"
-            && v2_label == "LensCapabilityV2RealV2";
-        if is_v2_complete {
-            basenames.insert(lens_basename);
-        }
-    }
-    Ok(basenames)
-}
-
-/// Band-C dispatch projection: `LensCapabilityBehavioralComplete` plus either
-/// `LensCapabilityV2RealV2` (v2-oracle cementing) or `LensCapabilityV2NoneV3Native`
-/// (v3-native gate-#87 `.dag` harness receipts).
-///
-/// **P2 invariant:** every `LensRegistryEntry` whose `lens_file` basename lands in this
-/// set must have a matching `(registry_name, module_stem, kind)` expansion in
-/// `expected_cementing_receipt_triples` and rows in `cementing_dispatch.dag` — including
-/// *all* behaviorally complete v3-native lenses in `regen.dag` (not only a PREFIX subset).
-fn band_c_cementing_basenames_from_capability_rows(
-    dag: &Dag,
-    capability_rows: &[FieldValue],
-) -> Result<BTreeSet<String>, String> {
-    let mut basenames = BTreeSet::new();
-    for row in capability_rows {
-        let (lens_basename, _structural_label, behavioral_label, v2_label) =
-            parse_capability_register_row(dag, row)?;
-        let band_c_complete = behavioral_label == "LensCapabilityBehavioralComplete"
-            && (v2_label == "LensCapabilityV2RealV2" || v2_label == "LensCapabilityV2NoneV3Native");
-        if band_c_complete {
-            basenames.insert(lens_basename);
-        }
-    }
-    Ok(basenames)
-}
-
-/// `lens_basename` → `LensCapabilityBehavioralStatus` variant label for every row in
-/// `std.verification` `lens_capability_register_rows`.
-///
-/// Used by gate #83 supporting CI to fail-closed on `LensCapabilityBehavioralStub` for the
-/// T-Lens-Behavioral-Parity quartet on the **`behavioral` field** of `lens_capability_register_rows`
-/// (narrow slice alongside Gap 4 in `docs/r3-actual-close-plan.md`).
-pub fn lens_capability_register_behavioral_label_by_basename(
-    dag: &Dag,
-) -> Result<BTreeMap<String, String>, String> {
-    let reg_decl = dag
-        .declaration_by_name("lens_capability_register_rows")
-        .ok_or_else(|| {
-            "bootstrap must declare `lens_capability_register_rows` (std.verification)".to_string()
-        })?;
-    let capability_rows =
-        list_items_of_declaration(dag, reg_decl.id, "lens_capability_register_rows")?;
-    let mut out = BTreeMap::new();
-    for row in &capability_rows {
-        let (lens_basename, _structural_label, behavioral_label, _v2_label) =
-            parse_capability_register_row(dag, row)?;
-        if out
-            .insert(lens_basename.clone(), behavioral_label.clone())
-            .is_some()
-        {
-            return Err(format!(
-                "duplicate `lens_basename` `{lens_basename}` in `lens_capability_register_rows`"
-            ));
-        }
-    }
-    Ok(out)
-}
-
-/// Lens basenames in the **markdown v2-oracle slice** ratchet: `LensCapabilityBehavioralComplete`
-/// plus `LensCapabilityV2RealV2` only (excludes v3-native Band-C harness rows).
-///
-/// `CementingDispatchMatchesProjection` uses the broader Band-C basename filter
-/// (behaviorally complete with `LensCapabilityV2RealV2` **or** `LensCapabilityV2NoneV3Native`)
-/// before intersecting `regen.dag`.
-///
-/// Exposed for integration tests that mechanically ratchet the markdown capability table against
-/// this structural authority (`lens_register_correspondence_test`).
-pub fn lens_capability_register_v2_cementing_basenames(
-    dag: &Dag,
-) -> Result<BTreeSet<String>, String> {
-    let reg_decl = dag
-        .declaration_by_name("lens_capability_register_rows")
-        .ok_or_else(|| {
-            "bootstrap must declare `lens_capability_register_rows` (std.verification)".to_string()
-        })?;
-    let capability_rows =
-        list_items_of_declaration(dag, reg_decl.id, "lens_capability_register_rows")?;
-    v2_cementing_basenames_from_capability_rows(dag, &capability_rows)
-}
-
-fn cementing_dispatch_two_refs(
-    payload: &[FieldValue],
-) -> Result<(&FieldValue, &FieldValue), String> {
-    match payload {
-        [a, b] => Ok((a, b)),
-        [FieldValue::Record(fields)] => {
-            let a = record_field(fields, "capability_register").ok_or_else(|| {
-                "CementingDispatchMatchesProjection record missing `capability_register`"
-                    .to_string()
-            })?;
-            let b = record_field(fields, "cementing_receipts").ok_or_else(|| {
-                "CementingDispatchMatchesProjection record missing `cementing_receipts`".to_string()
-            })?;
-            Ok((a, b))
-        }
-        _ => Err(format!(
-            "CementingDispatchMatchesProjection payload should be two DeclarationRef edges \
-             or a record {{ capability_register, cementing_receipts }}; got {} slot(s)",
-            payload.len()
-        )),
-    }
-}
-
-/// Evaluate `CementingDispatchMatchesProjection` for a claim declared in `declaration_file`.
-///
-/// Returns `Ok(())` on pass; `Err(reason)` maps to [`crate::test_runner::ClaimResult::Fail`].
-pub(crate) fn evaluate_cementing_dispatch_projection(
-    dag: &Dag,
-    declaration_file: &str,
-    payload: &[FieldValue],
-) -> Result<(), String> {
-    const CEMENTING_DISPATCH_DECL_PATH: &str = "cementing_dispatch.dag";
-    if !declaration_file.ends_with(CEMENTING_DISPATCH_DECL_PATH) {
-        return Err(format!(
-            "CementingDispatchMatchesProjection is only accepted for claims declared in `**/{CEMENTING_DISPATCH_DECL_PATH}`; got `{declaration_file}`"
-        ));
-    }
-
-    let (reg_ref, recv_ref) = cementing_dispatch_two_refs(payload)?;
-    let reg_id = resolve_declaration_ref_id(reg_ref, "capability_register")?;
-    let recv_id = resolve_declaration_ref_id(recv_ref, "cementing_receipts")?;
-
-    let capability_rows = list_items_of_declaration(dag, reg_id, "capability_register")?;
-    let receipt_rows = list_items_of_declaration(dag, recv_id, "cementing_receipts")?;
-
-    let basenames = band_c_cementing_basenames_from_capability_rows(dag, &capability_rows)?;
-
-    let registry_pairs = read_lens_registry_name_lens_file_pairs(dag)?;
-
-    let mut matched_basenames = BTreeSet::new();
-    for (name, lens_file) in &registry_pairs {
-        let Some(basename) = FsPath::new(lens_file).file_name().and_then(|s| s.to_str()) else {
-            return Err(format!(
-                "registry entry `{name}` has lens_file without basename: {lens_file}"
-            ));
-        };
-        if basenames.contains(basename) {
-            matched_basenames.insert(basename.to_string());
-        }
-    }
-
-    let missing: Vec<_> = basenames.difference(&matched_basenames).cloned().collect();
-    if !missing.is_empty() {
-        return Err(format!(
-            "`lens_capability_register` escalates v2 cementing for lens basenames {missing:?}, \
-             but no `LensRegistryEntry` in bootstrap names those files — fix the register data or add registry entries."
-        ));
-    }
-
-    let mut receipt_triples = BTreeSet::new();
-
-    for row in &receipt_rows {
-        let Some(fields) = record_fields(row) else {
-            return Err(format!(
-                "cementing_receipts list: expected record row, got {row:?}"
-            ));
-        };
-        let registry_name = string_field(fields, "registry_name")?;
-        let module_stem = string_field(fields, "module_stem")?;
-        let kind_field = record_field(fields, "kind").ok_or_else(|| {
-            "cementing receipt row: missing `kind` field (expected `CementingBandCReceiptKind` \
-             variant)"
-                .to_string()
-        })?;
-        let kind_str = decode_cementing_band_c_receipt_kind(dag, kind_field, "kind")?;
-        let triple = (
-            registry_name.clone(),
-            module_stem.clone(),
-            kind_str.to_string(),
-        );
-        if !receipt_triples.insert(triple.clone()) {
-            return Err(format!(
-                "cementing_receipts contains duplicate receipt identity {triple:?}; each \
-                 `(registry_name, module_stem, kind)` must be unique."
-            ));
-        }
-    }
-
-    let expected_triples = expected_cementing_receipt_triples(&registry_pairs, &basenames)?;
-    if receipt_triples != expected_triples {
-        return Err(format!(
-            "cementing_receipts `(registry_name, module_stem, kind)` triples must exactly match \
-             the Band-C expansion of the register ∩ regen projection — expected {expected_triples:?}, \
-             got {receipt_triples:?}"
-        ));
-    }
-
-    let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let pb_b1_gate87_dag_stems = r3_gate_87_cementing_regen_pb_b1_dag_module_stems();
-    let integration_rs = match std::fs::read_to_string(manifest_dir.join("tests/integration.rs")) {
-        Ok(text) => text,
-        Err(err) => {
-            return Err(format!(
-                "read tests/integration.rs for cementing wiring ratchet: {err}"
-            ));
-        }
-    };
-
-    for row in &receipt_rows {
-        let Some(fields) = record_fields(row) else {
-            return Err(format!(
-                "cementing_receipts list: expected record row, got {row:?}"
-            ));
-        };
-        let registry_name = string_field(fields, "registry_name")?;
-        let module_stem = string_field(fields, "module_stem")?;
-        let kind_field = record_field(fields, "kind").ok_or_else(|| {
-            "cementing receipt row: missing `kind` field (expected `CementingBandCReceiptKind` \
-             variant)"
-                .to_string()
-        })?;
-        let kind_str = decode_cementing_band_c_receipt_kind(dag, kind_field, "kind")?;
-        match kind_str {
-            "dag" => {
-                if !pb_b1_gate87_dag_stems.contains(&module_stem) {
-                    return Err(format!(
-                        "registry lens `{registry_name}` lists v2-complete cementing receipt `{module_stem}` \
-                         as a `.dag` harness, but that stem is not wired in \
-                         `r3_gate_87_cementing_regen_runner_suites::R3_GATE_87_CEMENTING_REGEN_SUITES` \
-                         (T-PB-B-1 runner) — extend the shared table or fix the receipt list."
-                    ));
-                }
-                let path = manifest_dir
-                    .join("tests")
-                    .join("dag")
-                    .join(format!("{module_stem}.dag"));
-                if !path.is_file() {
-                    return Err(format!(
-                        "registry lens `{registry_name}` lists v2-complete cementing receipt `{module_stem}` \
-                         as a `.dag` harness; expected file {}",
-                        path.display()
-                    ));
-                }
-            }
-            "temporary-rust" => {
-                let path = manifest_dir
-                    .join("tests")
-                    .join("integration")
-                    .join("cementing")
-                    .join(format!("{module_stem}.rs"));
-                if !path.is_file() {
-                    return Err(format!(
-                        "registry lens `{registry_name}` lists temporary Rust cementing receipt `{module_stem}`; \
-                         expected file {}",
-                        path.display()
-                    ));
-                }
-                if !integration_rs_cementing_path_attr_binds_mod_stem(
-                    &integration_rs,
-                    &module_stem,
-                )? {
-                    let expected = format!(r#"#[path = "integration/cementing/{module_stem}.rs"]"#);
-                    return Err(format!(
-                        "registry lens `{registry_name}` lists temporary Rust cementing stem `{module_stem}` but \
-                         tests/integration.rs does not bind `{expected}` to `mod {module_stem};` in the same item \
-                         (Band-C dispatch)."
-                    ));
-                }
-            }
-            _ => {
-                return Err(
-                    "cementing receipt `kind`: internal error — wire tag not `dag` or `temporary-rust`"
-                        .to_string(),
-                );
-            }
-        }
-    }
-
-    Ok(())
-}
diff --git a/src/v3/compiler/src/complexity_lattice.rs b/src/v3/compiler/src/complexity_lattice.rs
deleted file mode 100644
index 090827fd13c..00000000000
--- a/src/v3/compiler/src/complexity_lattice.rs
+++ /dev/null
@@ -1,109 +0,0 @@
-//! **`complexity_enforcement_budget_dominates`** — executable **T-LAS enforcement**
-//! ordering on `AsymptoticClass` for `complexity_enforcement_violates` /
-//! `EnforcedApplication` (gate #92). It matches `v3.std.algebra::asymptotic_dominates`
-//! on every arm including `ClassPolynomial×ClassPolynomial` (Peano `degree` compare).
-//!
-//! **`asymptotic_dominates`** is a backward-compatible alias for tests and older
-//! call sites; new enforcement code should call [`complexity_enforcement_budget_dominates`].
-//!
-//! Stay aligned with `complexity.dag` + `complexity_enforcement_violates` comments.
-
-use crate::dag::{positive_descent_count, AsymptoticClass};
-
-pub fn complexity_enforcement_budget_dominates(a: &AsymptoticClass, b: &AsymptoticClass) -> bool {
-    use AsymptoticClass::*;
-    match a {
-        ClassUnknown => true,
-        ClassExponential => match b {
-            ClassUnknown => false,
-            ClassExponential
-            | ClassPolynomial { .. } // Any `ClassPolynomial` tier is below exponential.
-            | ClassQuadratic
-            | ClassLinearithmic
-            | ClassLinear
-            | ClassLog
-            | ClassConstant => true,
-        },
-        ClassPolynomial { degree: da } => match b {
-            ClassUnknown | ClassExponential => false,
-            ClassPolynomial { degree: db } => {
-                positive_descent_count(da) >= positive_descent_count(db)
-            }
-            ClassQuadratic | ClassLinearithmic | ClassLinear | ClassLog | ClassConstant => true,
-        },
-        ClassQuadratic => match b {
-            ClassConstant | ClassLog | ClassLinear | ClassLinearithmic | ClassQuadratic => true,
-            ClassPolynomial { .. } | ClassExponential | ClassUnknown => false,
-        },
-        ClassLinearithmic => match b {
-            ClassConstant | ClassLog | ClassLinear | ClassLinearithmic => true,
-            ClassQuadratic | ClassPolynomial { .. } | ClassExponential | ClassUnknown => false,
-        },
-        ClassLinear => match b {
-            ClassConstant | ClassLog | ClassLinear => true,
-            ClassLinearithmic
-            | ClassQuadratic
-            | ClassPolynomial { .. }
-            | ClassExponential
-            | ClassUnknown => false,
-        },
-        ClassLog => match b {
-            ClassConstant | ClassLog => true,
-            ClassLinear
-            | ClassLinearithmic
-            | ClassQuadratic
-            | ClassPolynomial { .. }
-            | ClassExponential
-            | ClassUnknown => false,
-        },
-        ClassConstant => match b {
-            ClassConstant => true,
-            ClassLog
-            | ClassLinear
-            | ClassLinearithmic
-            | ClassQuadratic
-            | ClassPolynomial { .. }
-            | ClassExponential
-            | ClassUnknown => false,
-        },
-    }
-}
-
-/// Alias of [`complexity_enforcement_budget_dominates`]. Prefer the named helper for
-/// new call sites so enforcement-grade poly refinement is not confused with substrate
-/// `algebra.dag::asymptotic_dominates` at the documentation layer.
-#[inline]
-pub fn asymptotic_dominates(a: &AsymptoticClass, b: &AsymptoticClass) -> bool {
-    complexity_enforcement_budget_dominates(a, b)
-}
-
-#[cfg(test)]
-mod asymptotic_dominates_tests {
-    use super::{asymptotic_dominates, complexity_enforcement_budget_dominates};
-    use crate::dag::{positive_amount_from_i64, AsymptoticClass};
-
-    fn poly(k: i64) -> AsymptoticClass {
-        AsymptoticClass::ClassPolynomial {
-            degree: positive_amount_from_i64(k).expect("test degree in range"),
-        }
-    }
-
-    #[test]
-    fn polynomial_degree_orders_within_class_polynomial() {
-        let p5 = poly(5);
-        let p3 = poly(3);
-        assert!(complexity_enforcement_budget_dominates(&p5, &p3));
-        assert!(!complexity_enforcement_budget_dominates(&p3, &p5));
-        assert!(complexity_enforcement_budget_dominates(&p3, &p3));
-    }
-
-    #[test]
-    fn alias_matches_budget_dominates() {
-        let p3 = poly(3);
-        let p5 = poly(5);
-        assert_eq!(
-            asymptotic_dominates(&p5, &p3),
-            complexity_enforcement_budget_dominates(&p5, &p3)
-        );
-    }
-}
diff --git a/src/v3/compiler/src/complexity_lens_generated.rs b/src/v3/compiler/src/complexity_lens_generated.rs
deleted file mode 100644
index ca53bff48ed..00000000000
--- a/src/v3/compiler/src/complexity_lens_generated.rs
+++ /dev/null
@@ -1,658 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/complexity.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub enum Certainty {
-    Proven,
-    Conservative,
-}
-#[derive(Clone, Debug)]
-pub struct ComplexitySummary {
-    pub work: SymbolicCost,
-    pub span: SymbolicCost,
-    pub asymptotic_class: AsymptoticClass,
-    pub work_certainty: Certainty,
-    pub span_certainty: Certainty,
-}
-#[derive(Clone, Debug)]
-pub struct ComplexityEntry {
-    pub port: PortId,
-    pub summary: Lookup<ComplexitySummary>,
-}
-#[derive(Clone, Debug)]
-pub enum DominanceOutcome {
-    BothSurvive,
-    OuterDominates,
-    BodyDominates,
-}
-pub fn miss_complexity_summary_lookup() -> Lookup<ComplexitySummary> {
-    Lookup::Miss
-}
-pub fn hit_complexity_summary_lookup(p0: ComplexitySummary) -> Lookup<ComplexitySummary> {
-    Lookup::Hit(p0).clone()
-}
-pub fn complexity_of(p0: &Dag, p1: &PortId) -> Lookup<ComplexitySummary> {
-    lookup_summary(&(compute_summaries(p0)), p1)
-}
-pub fn compute_summaries(p0: &Dag) -> Vec<ComplexityEntry> {
-    ((p0).nodes())
-        .iter()
-        .fold(seed_bind_params((p0).nodes()), |__fold_acc, __fold_item| {
-            let mut __list = (__fold_acc).clone();
-            __list.insert(0, entry_for(p0, &__fold_acc, __fold_item));
-            __list
-        })
-}
-pub fn seed_bind_params(p0: &[Behavior]) -> Vec<ComplexityEntry> {
-    (p0).iter().fold(Vec::new(), |__fold_acc, __fold_item| {
-        let mut __left = params_of(__fold_item);
-        __left.extend((__fold_acc).clone());
-        __left
-    })
-}
-pub fn params_of(p0: &Behavior) -> Vec<ComplexityEntry> {
-    match p0 {
-        Behavior::Value(_) => Vec::new(),
-        Behavior::Transform(_) => Vec::new(),
-        Behavior::Branch(_) => Vec::new(),
-        Behavior::Loop(_) => Vec::new(),
-        Behavior::Bind(bind) => param_entries(&((bind).params)),
-    }
-}
-pub fn param_entries(p0: &[PortId]) -> Vec<ComplexityEntry> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            let mut __list = param_entries(__list_tail);
-            __list.insert(
-                0,
-                ComplexityEntry {
-                    port: (*(__list_head)),
-                    summary: hit_complexity_summary_lookup(zero_summary()),
-                },
-            );
-            __list
-        }
-    }
-}
-pub fn zero_summary() -> ComplexitySummary {
-    summary_from_costs(
-        SymbolicCost::ConstantCost { _0: 0 },
-        SymbolicCost::ConstantCost { _0: 0 },
-        Certainty::Proven,
-        Certainty::Proven,
-    )
-}
-pub fn unit_summary() -> ComplexitySummary {
-    summary_from_costs(
-        SymbolicCost::ConstantCost { _0: 1 },
-        SymbolicCost::ConstantCost { _0: 1 },
-        Certainty::Proven,
-        Certainty::Proven,
-    )
-}
-pub fn conservative_unknown_summary(p0: String) -> ComplexitySummary {
-    summary_from_costs(
-        SymbolicCost::UnknownCost { _0: (p0).clone() },
-        SymbolicCost::UnknownCost { _0: (p0).clone() },
-        Certainty::Conservative,
-        Certainty::Conservative,
-    )
-}
-pub fn summary_from_costs(
-    p0: SymbolicCost,
-    p1: SymbolicCost,
-    p2: Certainty,
-    p3: Certainty,
-) -> ComplexitySummary {
-    ComplexitySummary {
-        work: (p0).clone(),
-        span: (p1).clone(),
-        asymptotic_class: classify_symbolic_cost(&p0),
-        work_certainty: (p2).clone(),
-        span_certainty: (p3).clone(),
-    }
-}
-pub fn entry_for(p0: &Dag, p1: &[ComplexityEntry], p2: &Behavior) -> ComplexityEntry {
-    match p2 {
-        Behavior::Value(v) => ComplexityEntry {
-            port: (v).result_port(),
-            summary: hit_complexity_summary_lookup(zero_summary()),
-        },
-        Behavior::Transform(t) => ComplexityEntry {
-            port: (t).result_port(),
-            summary: transform_summary(p0, p1, &((t).id), &((t).inputs)),
-        },
-        Behavior::Branch(b) => ComplexityEntry {
-            port: (b).result_port(),
-            summary: branch_summary(p1, &((b).input), &((b).paths)),
-        },
-        Behavior::Loop(l) => ComplexityEntry {
-            port: (l).result_port(),
-            summary: loop_summary(p0, p1, l),
-        },
-        Behavior::Bind(bind) => ComplexityEntry {
-            port: (bind).result_port(),
-            summary: lookup_summary(p1, &((bind).result_port())),
-        },
-    }
-}
-pub fn transform_summary(
-    p0: &Dag,
-    p1: &[ComplexityEntry],
-    p2: &NodeId,
-    p3: &[PortId],
-) -> Lookup<ComplexitySummary> {
-    match &(per_call_pattern_at(p0, *p2)) {
-        None => compose_many_inputs(p1, p3),
-        Some(pattern) => match &(per_call_descent_operand_port(p0, *p2)) {
-            None => complexity_when_descent_unknown(pattern),
-            Some(descent_port) => recursive_transform_summary(p1, pattern, descent_port, p3),
-        },
-    }
-}
-pub fn complexity_when_descent_unknown(p0: &CallPattern) -> Lookup<ComplexitySummary> {
-    match p0 {
-        CallPattern::SameArgumentCall => miss_complexity_summary_lookup(),
-        CallPattern::ArithmeticSubtractCall {
-            steps: _,
-            ring_param: _,
-        } => miss_complexity_summary_lookup(),
-        CallPattern::ArithmeticDivideCall {
-            divisor: _,
-            ring_param: _,
-        } => miss_complexity_summary_lookup(),
-        CallPattern::ChildAccessorCall { accessor: _ } => miss_complexity_summary_lookup(),
-        CallPattern::CollectionShrinkCall {
-            amount: _,
-            collection: _,
-        } => miss_complexity_summary_lookup(),
-        CallPattern::FoldBodyCall {
-            outer_collection: _,
-        } => miss_complexity_summary_lookup(),
-        CallPattern::ParserAdvanceCall { witness: _ } => miss_complexity_summary_lookup(),
-        CallPattern::WorklistDrainCall { element: _ } => miss_complexity_summary_lookup(),
-    }
-}
-pub fn compose_many_inputs(p0: &[ComplexityEntry], p1: &[PortId]) -> Lookup<ComplexitySummary> {
-    (p1).iter().fold(
-        hit_complexity_summary_lookup(unit_summary()),
-        |__fold_acc, __fold_item| {
-            combine_sequential(&__fold_acc, &(lookup_summary(p0, __fold_item)))
-        },
-    )
-}
-pub fn compose_many_inputs_excluding_descent_operand(
-    p0: &[ComplexityEntry],
-    p1: &[PortId],
-    p2: &PortId,
-) -> Lookup<ComplexitySummary> {
-    (p1).iter().fold(
-        hit_complexity_summary_lookup(unit_summary()),
-        |__fold_acc, __fold_item| {
-            if ((*(__fold_item)) == (*(p2))) {
-                __fold_acc
-            } else {
-                combine_sequential(&__fold_acc, &(lookup_summary(p0, __fold_item)))
-            }
-        },
-    )
-}
-pub fn recursive_transform_summary(
-    p0: &[ComplexityEntry],
-    p1: &CallPattern,
-    p2: &PortId,
-    p3: &[PortId],
-) -> Lookup<ComplexitySummary> {
-    match p3 {
-        [] => miss_complexity_summary_lookup(),
-        [__list_head, __list_tail @ ..] => combine_iterate(
-            &(summary_from_iter_bound(&(pattern_to_iter_bound(p1, p2)))),
-            &(combine_sequential(
-                &(lookup_summary(p0, p2)),
-                &(compose_many_inputs_excluding_descent_operand(p0, p3, p2)),
-            )),
-        ),
-    }
-}
-pub fn pattern_to_iter_bound(p0: &CallPattern, p1: &PortId) -> Lookup<SymbolicCost> {
-    match p0 {
-        CallPattern::ArithmeticSubtractCall {
-            steps: _,
-            ring_param: _,
-        } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::ArithmeticDivideCall {
-            divisor: _,
-            ring_param: _,
-        } => Lookup::Hit(SymbolicCost::LogCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::ChildAccessorCall { accessor: _ } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::CollectionShrinkCall {
-            amount: _,
-            collection: _,
-        } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::FoldBodyCall {
-            outer_collection: _,
-        } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::ParserAdvanceCall { witness: _ } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::WorklistDrainCall { element: _ } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::SameArgumentCall => Lookup::Miss,
-    }
-}
-pub fn summary_from_iter_bound(p0: &Lookup<SymbolicCost>) -> Lookup<ComplexitySummary> {
-    match p0 {
-        Lookup::Miss => miss_complexity_summary_lookup(),
-        Lookup::Hit(cost) => match cost {
-            SymbolicCost::UnknownCost { _0: reason } => {
-                hit_complexity_summary_lookup(conservative_unknown_summary((reason).clone()))
-            }
-            SymbolicCost::ConstantCost { _0: _ } => {
-                hit_complexity_summary_lookup(summary_from_costs(
-                    (cost).clone(),
-                    (cost).clone(),
-                    Certainty::Proven,
-                    Certainty::Proven,
-                ))
-            }
-            SymbolicCost::LinearCost { _0: _ } => {
-                hit_complexity_summary_lookup(summary_from_costs(
-                    (cost).clone(),
-                    (cost).clone(),
-                    Certainty::Proven,
-                    Certainty::Proven,
-                ))
-            }
-            SymbolicCost::PolynomialCost { var: _, degree: _ } => {
-                hit_complexity_summary_lookup(summary_from_costs(
-                    (cost).clone(),
-                    (cost).clone(),
-                    Certainty::Proven,
-                    Certainty::Proven,
-                ))
-            }
-            SymbolicCost::ProductCost { _0: _ } => {
-                hit_complexity_summary_lookup(summary_from_costs(
-                    (cost).clone(),
-                    (cost).clone(),
-                    Certainty::Proven,
-                    Certainty::Proven,
-                ))
-            }
-            SymbolicCost::SumCost { _0: _ } => hit_complexity_summary_lookup(summary_from_costs(
-                (cost).clone(),
-                (cost).clone(),
-                Certainty::Proven,
-                Certainty::Proven,
-            )),
-            SymbolicCost::LogCost { _0: _ } => hit_complexity_summary_lookup(summary_from_costs(
-                (cost).clone(),
-                (cost).clone(),
-                Certainty::Proven,
-                Certainty::Proven,
-            )),
-        },
-    }
-}
-pub fn loop_summary(p0: &Dag, p1: &[ComplexityEntry], p2: &LoopNode) -> Lookup<ComplexitySummary> {
-    combine_sequential(
-        &(combine_sequential(
-            &(lookup_summary(p1, &((p2).source))),
-            &(lookup_summary(p1, &((p2).init))),
-        )),
-        &(combine_iterate(
-            &(hit_complexity_summary_lookup(summary_from_costs(
-                SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: ((p2).source),
-                        display_name: None,
-                    },
-                },
-                SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: ((p2).source),
-                        display_name: None,
-                    },
-                },
-                Certainty::Proven,
-                Certainty::Proven,
-            ))),
-            &(body_summary(p0, p1, &((p2).body))),
-        )),
-    )
-}
-pub fn body_summary(p0: &Dag, p1: &[ComplexityEntry], p2: &NodeId) -> Lookup<ComplexitySummary> {
-    match &((p0).node_opt(p2).cloned()) {
-        None => miss_complexity_summary_lookup(),
-        Some(body_behavior) => lookup_summary(p1, &(behavior_result_port(body_behavior))),
-    }
-}
-pub fn behavior_result_port(p0: &Behavior) -> PortId {
-    match p0 {
-        Behavior::Value(v) => (v).result_port(),
-        Behavior::Transform(t) => (t).result_port(),
-        Behavior::Branch(br) => (br).result_port(),
-        Behavior::Loop(lp) => (lp).result_port(),
-        Behavior::Bind(bind) => (bind).result_port(),
-    }
-}
-pub fn branch_summary(
-    p0: &[ComplexityEntry],
-    p1: &PortId,
-    p2: &[Path],
-) -> Lookup<ComplexitySummary> {
-    combine_sequential(&(lookup_summary(p0, p1)), &(max_path_summaries(p0, p2)))
-}
-pub fn max_path_summaries(p0: &[ComplexityEntry], p1: &[Path]) -> Lookup<ComplexitySummary> {
-    (p1).iter().fold(
-        hit_complexity_summary_lookup(zero_summary()),
-        |__fold_acc, __fold_item| {
-            combine_branch(
-                &__fold_acc,
-                &(lookup_summary(p0, &((__fold_item).result_port()))),
-            )
-        },
-    )
-}
-pub fn lookup_summary(p0: &[ComplexityEntry], p1: &PortId) -> Lookup<ComplexitySummary> {
-    (p0).iter().fold(
-        miss_complexity_summary_lookup(),
-        |__fold_acc, __fold_item| match &__fold_acc {
-            Lookup::Hit(_) => __fold_acc,
-            Lookup::Miss => {
-                if ((__fold_item).port == (*(p1))) {
-                    ((__fold_item).summary).clone()
-                } else {
-                    miss_complexity_summary_lookup()
-                }
-            }
-        },
-    )
-}
-pub fn combine_sequential(
-    p0: &Lookup<ComplexitySummary>,
-    p1: &Lookup<ComplexitySummary>,
-) -> Lookup<ComplexitySummary> {
-    match p0 {
-        Lookup::Miss => miss_complexity_summary_lookup(),
-        Lookup::Hit(ax) => match p1 {
-            Lookup::Miss => miss_complexity_summary_lookup(),
-            Lookup::Hit(bx) => hit_complexity_summary_lookup(compose_summary_sequential(ax, bx)),
-        },
-    }
-}
-pub fn combine_iterate(
-    p0: &Lookup<ComplexitySummary>,
-    p1: &Lookup<ComplexitySummary>,
-) -> Lookup<ComplexitySummary> {
-    match p0 {
-        Lookup::Miss => miss_complexity_summary_lookup(),
-        Lookup::Hit(outer_summary) => match p1 {
-            Lookup::Miss => miss_complexity_summary_lookup(),
-            Lookup::Hit(body_summary_value) => hit_complexity_summary_lookup(
-                compose_summary_iterate(outer_summary, body_summary_value),
-            ),
-        },
-    }
-}
-pub fn combine_branch(
-    p0: &Lookup<ComplexitySummary>,
-    p1: &Lookup<ComplexitySummary>,
-) -> Lookup<ComplexitySummary> {
-    match p0 {
-        Lookup::Miss => miss_complexity_summary_lookup(),
-        Lookup::Hit(ax) => match p1 {
-            Lookup::Miss => miss_complexity_summary_lookup(),
-            Lookup::Hit(bx) => hit_complexity_summary_lookup(compose_summary_branch_pair(ax, bx)),
-        },
-    }
-}
-pub fn compose_summary_sequential(
-    p0: &ComplexitySummary,
-    p1: &ComplexitySummary,
-) -> ComplexitySummary {
-    summary_from_costs(
-        sequential(((p0).work).clone(), ((p1).work).clone()),
-        sequential(((p0).span).clone(), ((p1).span).clone()),
-        certainty_of_surviving_per_dim(
-            ((p0).work).clone(),
-            ((p1).work).clone(),
-            ((p0).work_certainty).clone(),
-            ((p1).work_certainty).clone(),
-        ),
-        certainty_of_surviving_per_dim(
-            ((p0).span).clone(),
-            ((p1).span).clone(),
-            ((p0).span_certainty).clone(),
-            ((p1).span_certainty).clone(),
-        ),
-    )
-}
-pub fn compose_summary_iterate(
-    p0: &ComplexitySummary,
-    p1: &ComplexitySummary,
-) -> ComplexitySummary {
-    summary_from_costs(
-        iterate(((p0).work).clone(), ((p1).work).clone()),
-        iterate(((p0).work).clone(), ((p1).span).clone()),
-        certainty_of_surviving_per_dim(
-            ((p0).work).clone(),
-            ((p1).work).clone(),
-            ((p0).work_certainty).clone(),
-            ((p1).work_certainty).clone(),
-        ),
-        certainty_of_surviving_per_dim(
-            ((p0).work).clone(),
-            ((p1).span).clone(),
-            ((p0).work_certainty).clone(),
-            ((p1).span_certainty).clone(),
-        ),
-    )
-}
-pub fn compose_summary_branch_pair(
-    p0: &ComplexitySummary,
-    p1: &ComplexitySummary,
-) -> ComplexitySummary {
-    summary_from_costs(
-        max_path(
-            &({
-                let mut __list = {
-                    let mut __list = Vec::new();
-                    __list.insert(0, ((p1).work).clone());
-                    __list
-                };
-                __list.insert(0, ((p0).work).clone());
-                __list
-            }),
-        ),
-        max_path(
-            &({
-                let mut __list = {
-                    let mut __list = Vec::new();
-                    __list.insert(0, ((p1).span).clone());
-                    __list
-                };
-                __list.insert(0, ((p0).span).clone());
-                __list
-            }),
-        ),
-        certainty_of_surviving_per_dim(
-            ((p0).work).clone(),
-            ((p1).work).clone(),
-            ((p0).work_certainty).clone(),
-            ((p1).work_certainty).clone(),
-        ),
-        certainty_of_surviving_per_dim(
-            ((p0).span).clone(),
-            ((p1).span).clone(),
-            ((p0).span_certainty).clone(),
-            ((p1).span_certainty).clone(),
-        ),
-    )
-}
-pub fn certainty_of_surviving_per_dim(
-    p0: SymbolicCost,
-    p1: SymbolicCost,
-    p2: Certainty,
-    p3: Certainty,
-) -> Certainty {
-    match &(dominance_outcome((p0).clone(), (p1).clone())) {
-        DominanceOutcome::BothSurvive => meet_pair(&p2, (p3).clone()),
-        DominanceOutcome::OuterDominates => p2,
-        DominanceOutcome::BodyDominates => p3,
-    }
-}
-pub fn dominance_outcome(p0: SymbolicCost, p1: SymbolicCost) -> DominanceOutcome {
-    if dominates(&p0, (p1).clone()) {
-        if dominates(&p1, (p0).clone()) {
-            DominanceOutcome::BothSurvive
-        } else {
-            DominanceOutcome::OuterDominates
-        }
-    } else {
-        if dominates(&p1, (p0).clone()) {
-            DominanceOutcome::BodyDominates
-        } else {
-            DominanceOutcome::BothSurvive
-        }
-    }
-}
-pub fn meet_pair(p0: &Certainty, p1: Certainty) -> Certainty {
-    match p0 {
-        Certainty::Proven => p1,
-        Certainty::Conservative => Certainty::Conservative,
-    }
-}
-pub fn complexity_enforcement_project(p0: &ComplexitySummary) -> AsymptoticClass {
-    ((p0).asymptotic_class).clone()
-}
-pub fn complexity_enforcement_violates(p0: &ComplexitySummary, p1: &AsymptoticClass) -> bool {
-    if asymptotic_dominates(&((p0).asymptotic_class), p1) {
-        if asymptotic_dominates(p1, &((p0).asymptotic_class)) {
-            (0 == 1)
-        } else {
-            (0 == 0)
-        }
-    } else {
-        (0 == 1)
-    }
-}
-pub fn witness_from_complexity_lookup(
-    p0: &Lookup<ComplexitySummary>,
-    p1: Behavior,
-) -> Witness<ComplexitySummary> {
-    match p0 {
-        Lookup::Hit(summary) => Witness::Inhabits((summary).clone()),
-        Lookup::Miss => Witness::Violates {
-            reason: String::from(
-                "complexity_of: missing ComplexitySummary for behavior result port",
-            ),
-            subject: ViolatesSubject::AtBehavior((p1).clone()),
-        },
-    }
-}
-pub fn complexity_lens_read(p0: &Dag, p1: Behavior) -> Witness<ComplexitySummary> {
-    witness_from_complexity_lookup(
-        &(complexity_of(p0, &(behavior_result_port(&p1)))),
-        (p1).clone(),
-    )
-}
-pub fn complexity_lens_sequential_op(
-    p0: &ComplexitySummary,
-    p1: &ComplexitySummary,
-) -> ComplexitySummary {
-    compose_summary_sequential(p0, p1)
-}
-pub fn complexity_lens_branch_op(
-    p0: &ComplexitySummary,
-    p1: &ComplexitySummary,
-) -> ComplexitySummary {
-    compose_summary_branch_pair(p0, p1)
-}
-pub fn complexity_lens_iterate_op(p0: &ComplexitySummary, p1: &LoopBound) -> ComplexitySummary {
-    match p1 {
-        LoopBound::Cardinality { count: payload } => compose_summary_iterate(
-            &(summary_from_costs(
-                SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: *payload,
-                        display_name: None,
-                    },
-                },
-                SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: *payload,
-                        display_name: None,
-                    },
-                },
-                Certainty::Proven,
-                Certainty::Proven,
-            )),
-            p0,
-        ),
-        LoopBound::Descent {
-            cluster: __payload_cluster,
-            measure: __payload_measure,
-        } => compose_summary_iterate(
-            &(summary_from_costs(
-                SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: *__payload_measure,
-                        display_name: None,
-                    },
-                },
-                SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: *__payload_measure,
-                        display_name: None,
-                    },
-                },
-                Certainty::Proven,
-                Certainty::Proven,
-            )),
-            p0,
-        ),
-    }
-}
-pub fn complexity_summary_work_class_consistent(p0: &ComplexitySummary) -> bool {
-    asymptotic_dominates(
-        &((p0).asymptotic_class),
-        &(classify_symbolic_cost(&((p0).work))),
-    )
-}
-pub fn complexity_lens_validate(p0: &Dag, p1: &ComplexitySummary) -> OptionalDiagnostic {
-    OptionalDiagnostic::NoDiagnostic
-}
diff --git a/src/v3/compiler/src/cost_basis_declaration.rs b/src/v3/compiler/src/cost_basis_declaration.rs
deleted file mode 100644
index bf59e3a404b..00000000000
--- a/src/v3/compiler/src/cost_basis_declaration.rs
+++ /dev/null
@@ -1,165 +0,0 @@
-//! Materialize [`CostBasisDeclaration`](crate::lens_cost_symbolic::CostBasisDeclaration) from
-//! lowered [`Dag`](crate::dag::Dag) facts — interim **consumer boundary** for gate **#93**
-//! (`crdt_cost_basis_demonstrated`) **substrate / symbolic-cost slice**; folding authored basis
-//! rows into [`compute_symbolic_costs`](crate::lens_cost_symbolic::compute_symbolic_costs) remains follow-on on the same gate.
-//!
-//! Persisted `.dag` `data` rows and folding declarations into [`compute_symbolic_costs`](crate::lens_cost_symbolic::compute_symbolic_costs) remain follow-on; embedders MUST NOT
-//! hand-assemble `CostBasisDeclaration` beside this helper when deriving the same evidence
-//! from a compiled DAG (INVARIANTS.md P2).
-
-use std::fmt;
-
-use crate::dag::{
-    ArrowBody, BindNode, Dag, DeclarationId, Lookup, PortId, SectionRef, SizeVariable,
-    SymbolicCost, TypeConnective,
-};
-use crate::lens_cost_symbolic::{compute_symbolic_costs, CostBasisDeclaration, CostBasisKind};
-
-/// [`try_build_per_write_log_cost_basis_declaration`] stops on missing DAG facts instead of
-/// panicking (fail-closed consumer boundary; codex gate on PR #2299).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CostBasisDeclarationBuildError {
-    DeclarationNotFound {
-        name: String,
-    },
-    MergeStepMissingParams {
-        merge_step_declaration_name: String,
-    },
-    /// Declaration must be a function (`TypeConnective::Arrow`) so the body bind is
-    /// reachable via [`ArrowBody::UserDefined`] (single authority per P2).
-    WorkflowDeclarationNotArrow {
-        name: String,
-    },
-    /// Arrow declaration body is not yet lowered to `UserDefined(BindNodeId)` — cannot read
-    /// the authoritative body [`BindNode`] for parameters / span / structural parity.
-    WorkflowBodyNotUserDefinedBind {
-        name: String,
-    },
-    /// `compute_symbolic_costs` has no `Hit(LogCost)` row keyed to the merge step’s first
-    /// parameter port — cannot fabricate a per-write log basis without lens evidence of a
-    /// divide on that port (P2 / fail-closed).
-    MergeStepLacksLogCostWitness {
-        merge_step_declaration_name: String,
-    },
-}
-
-impl fmt::Display for CostBasisDeclarationBuildError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            CostBasisDeclarationBuildError::DeclarationNotFound { name } => {
-                write!(f, "declaration `{name}` not found")
-            }
-            CostBasisDeclarationBuildError::MergeStepMissingParams {
-                merge_step_declaration_name,
-            } => write!(
-                f,
-                "declaration `{merge_step_declaration_name}` should declare at least one parameter on its body bind"
-            ),
-            CostBasisDeclarationBuildError::WorkflowDeclarationNotArrow { name } => write!(
-                f,
-                "declaration `{name}` must have Arrow connective (callable)"
-            ),
-            CostBasisDeclarationBuildError::WorkflowBodyNotUserDefinedBind { name } => write!(
-                f,
-                "declaration `{name}` body is not ArrowBody::UserDefined(BindNodeId); cannot resolve authoritative bind node"
-            ),
-            CostBasisDeclarationBuildError::MergeStepLacksLogCostWitness {
-                merge_step_declaration_name,
-            } => write!(
-                f,
-                "declaration `{merge_step_declaration_name}` first param port has no LogCost witness in `compute_symbolic_costs` (expected divide-on-dividend lowering)"
-            ),
-        }
-    }
-}
-
-impl std::error::Error for CostBasisDeclarationBuildError {}
-
-fn user_defined_arrow_body_bind<'a>(
-    dag: &'a Dag,
-    declaration_name: &str,
-) -> Result<(&'a BindNode, DeclarationId), CostBasisDeclarationBuildError> {
-    let decl = dag.declaration_by_name(declaration_name).ok_or_else(|| {
-        CostBasisDeclarationBuildError::DeclarationNotFound {
-            name: declaration_name.to_string(),
-        }
-    })?;
-    let subject = decl.id;
-    let bind = match &decl.connective {
-        TypeConnective::Arrow { body, .. } => match body {
-            ArrowBody::UserDefined(bind_id) => bind_id.bind_opt(dag).ok_or_else(|| {
-                CostBasisDeclarationBuildError::WorkflowBodyNotUserDefinedBind {
-                    name: declaration_name.to_string(),
-                }
-            })?,
-            _ => {
-                return Err(
-                    CostBasisDeclarationBuildError::WorkflowBodyNotUserDefinedBind {
-                        name: declaration_name.to_string(),
-                    },
-                );
-            }
-        },
-        _ => {
-            return Err(
-                CostBasisDeclarationBuildError::WorkflowDeclarationNotArrow {
-                    name: declaration_name.to_string(),
-                },
-            );
-        }
-    };
-    Ok((bind, subject))
-}
-
-fn symbolic_table_includes_log_on_port(dag: &Dag, port: PortId) -> bool {
-    compute_symbolic_costs(dag).iter().any(|e| {
-        matches!(
-            &e.cost,
-            Lookup::Hit(SymbolicCost::LogCost { _0: sv }) if sv.source_port == port
-        )
-    })
-}
-
-/// **`LogCost` witness:** returns [`MergeStepLacksLogCostWitness`] unless
-/// [`compute_symbolic_costs`] already **`Hit`s `LogCost(merge_param_port)`** (divide-on-dividend
-/// lowering); does not fabricate basis without lens table evidence.
-/// **Subject** is `SectionRef::DeclarationScope { declaration: … }` wrapping the workflow
-/// [`DeclarationId`] (T-LAS / audit structural authority — expression-scoped bases use
-/// `NodeScope` when authors need it).
-/// `merge_step_declaration_name` is the **`fn` declaration id** (same string the author uses for
-/// the merge helper, e.g. `crdt_merge_step`); its body [`BindNode`] is read only via
-/// [`TypeConnective::Arrow`] → [`ArrowBody::UserDefined`] like the workflow (P2 single authority
-/// for both callables).
-pub fn try_build_per_write_log_cost_basis_declaration(
-    dag: &Dag,
-    workflow_declaration_name: &str,
-    merge_step_declaration_name: &str,
-) -> Result<CostBasisDeclaration, CostBasisDeclarationBuildError> {
-    let (workflow_bind, subject) = user_defined_arrow_body_bind(dag, workflow_declaration_name)?;
-    let (merge_bind, _) = user_defined_arrow_body_bind(dag, merge_step_declaration_name)?;
-    let merge_replicas_port = *merge_bind.params.first().ok_or_else(|| {
-        CostBasisDeclarationBuildError::MergeStepMissingParams {
-            merge_step_declaration_name: merge_step_declaration_name.to_string(),
-        }
-    })?;
-    if !symbolic_table_includes_log_on_port(dag, merge_replicas_port) {
-        return Err(
-            CostBasisDeclarationBuildError::MergeStepLacksLogCostWitness {
-                merge_step_declaration_name: merge_step_declaration_name.to_string(),
-            },
-        );
-    }
-    Ok(CostBasisDeclaration {
-        subject: SectionRef::DeclarationScope {
-            declaration: subject,
-        },
-        kind: CostBasisKind::PerWrite,
-        cost: SymbolicCost::LogCost {
-            _0: SizeVariable {
-                source_port: merge_replicas_port,
-                display_name: None,
-            },
-        },
-        span: workflow_bind.span.clone(),
-    })
-}
diff --git a/src/v3/compiler/src/cost_symbolic_lens_generated.rs b/src/v3/compiler/src/cost_symbolic_lens_generated.rs
deleted file mode 100644
index ecf3cb1747c..00000000000
--- a/src/v3/compiler/src/cost_symbolic_lens_generated.rs
+++ /dev/null
@@ -1,420 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/cost.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub enum CostBasisKind {
-    PerWrite,
-    PerCall,
-    PeakMemory,
-}
-#[derive(Clone, Debug)]
-pub struct CostBasisDeclaration {
-    pub subject: SectionRef,
-    pub kind: CostBasisKind,
-    pub cost: SymbolicCost,
-    pub span: SourceSpan,
-}
-#[derive(Clone, Debug)]
-pub struct SymbolicCostEntry {
-    pub port: PortId,
-    pub cost: Lookup<SymbolicCost>,
-}
-pub fn method_contract_cost_shape(p0: &MethodContract) -> Option<CostShape> {
-    ((p0).cost_shape).clone()
-}
-pub fn compute_symbolic_costs(p0: &Dag) -> Vec<SymbolicCostEntry> {
-    ((p0).nodes())
-        .iter()
-        .fold(seed_bind_params((p0).nodes()), |__fold_acc, __fold_item| {
-            let mut __list = (__fold_acc).clone();
-            __list.insert(0, entry_for(p0, &__fold_acc, __fold_item));
-            __list
-        })
-}
-pub fn seed_bind_params(p0: &[Behavior]) -> Vec<SymbolicCostEntry> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            concat_entries(&(params_of(__list_head)), seed_bind_params(__list_tail))
-        }
-    }
-}
-pub fn params_of(p0: &Behavior) -> Vec<SymbolicCostEntry> {
-    match p0 {
-        Behavior::Value(_) => Vec::new(),
-        Behavior::Transform(_) => Vec::new(),
-        Behavior::Branch(_) => Vec::new(),
-        Behavior::Loop(_) => Vec::new(),
-        Behavior::Bind(bind) => param_entries(&((bind).params)),
-    }
-}
-pub fn param_entries(p0: &[PortId]) -> Vec<SymbolicCostEntry> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            let mut __list = param_entries(__list_tail);
-            __list.insert(
-                0,
-                SymbolicCostEntry {
-                    port: (*(__list_head)),
-                    cost: Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-                },
-            );
-            __list
-        }
-    }
-}
-pub fn concat_entries(
-    p0: &[SymbolicCostEntry],
-    p1: Vec<SymbolicCostEntry>,
-) -> Vec<SymbolicCostEntry> {
-    match p0 {
-        [] => p1,
-        [__list_head, __list_tail @ ..] => {
-            let mut __list = concat_entries(__list_tail, (p1).clone());
-            __list.insert(0, (__list_head).clone());
-            __list
-        }
-    }
-}
-pub fn entry_for(p0: &Dag, p1: &[SymbolicCostEntry], p2: &Behavior) -> SymbolicCostEntry {
-    match p2 {
-        Behavior::Value(v) => SymbolicCostEntry {
-            port: (v).result_port(),
-            cost: Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-        },
-        Behavior::Transform(t) => match &(per_call_pattern_at(p0, *&((t).id))) {
-            None => SymbolicCostEntry {
-                port: (t).result_port(),
-                cost: transform_cost_for_target(p1, &((t).target), &((t).inputs)),
-            },
-            Some(pattern) => match &(per_call_descent_operand_port(p0, *&((t).id))) {
-                None => SymbolicCostEntry {
-                    port: (t).result_port(),
-                    cost: Lookup::Miss,
-                },
-                Some(descent_port) => SymbolicCostEntry {
-                    port: (t).result_port(),
-                    cost: recursive_transform_cost(p1, pattern, descent_port, &((t).inputs)),
-                },
-            },
-        },
-        Behavior::Branch(b) => SymbolicCostEntry {
-            port: (b).result_port(),
-            cost: branch_cost(p1, &((b).input), &((b).paths)),
-        },
-        Behavior::Loop(l) => SymbolicCostEntry {
-            port: (l).result_port(),
-            cost: loop_cost(p0, p1, l),
-        },
-        Behavior::Bind(bind) => SymbolicCostEntry {
-            port: (bind).result_port(),
-            cost: lookup_cost(p1, &((bind).result_port())),
-        },
-    }
-}
-pub fn recursive_transform_cost(
-    p0: &[SymbolicCostEntry],
-    p1: &CallPattern,
-    p2: &PortId,
-    p3: &[PortId],
-) -> Lookup<SymbolicCost> {
-    match p3 {
-        [] => Lookup::Miss,
-        [__list_head, __list_tail @ ..] => combine_iterate(
-            &(pattern_to_iter_bound(p1, p2)),
-            &(combine_sequential(
-                &(lookup_cost(p0, p2)),
-                &(sum_costs_excluding_descent_operand(p0, p3, p2)),
-            )),
-        ),
-    }
-}
-pub fn pattern_to_iter_bound(p0: &CallPattern, p1: &PortId) -> Lookup<SymbolicCost> {
-    match p0 {
-        CallPattern::ArithmeticSubtractCall {
-            steps: _,
-            ring_param: _,
-        } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::ArithmeticDivideCall {
-            divisor: _,
-            ring_param: _,
-        } => Lookup::Hit(SymbolicCost::LogCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::ChildAccessorCall { accessor: _ } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::CollectionShrinkCall {
-            amount: _,
-            collection: _,
-        } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::FoldBodyCall {
-            outer_collection: _,
-        } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::ParserAdvanceCall { witness: _ } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::WorklistDrainCall { element: _ } => Lookup::Hit(SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: *p1,
-                display_name: None,
-            },
-        }),
-        CallPattern::SameArgumentCall => Lookup::Miss,
-    }
-}
-pub fn loop_cost(p0: &Dag, p1: &[SymbolicCostEntry], p2: &LoopNode) -> Lookup<SymbolicCost> {
-    combine_iterate(
-        &(linear_at(&((p2).source))),
-        &(body_cost(p0, p1, &((p2).body))),
-    )
-}
-pub fn body_cost(p0: &Dag, p1: &[SymbolicCostEntry], p2: &NodeId) -> Lookup<SymbolicCost> {
-    match &((p0).node_opt(p2).cloned()) {
-        None => Lookup::Miss,
-        Some(body_behavior) => lookup_cost(p1, &(behavior_result_port(body_behavior))),
-    }
-}
-pub fn behavior_result_port(p0: &Behavior) -> PortId {
-    match p0 {
-        Behavior::Value(v) => (v).result_port(),
-        Behavior::Transform(t) => (t).result_port(),
-        Behavior::Branch(br) => (br).result_port(),
-        Behavior::Loop(lp) => (lp).result_port(),
-        Behavior::Bind(bind) => (bind).result_port(),
-    }
-}
-pub fn linear_at(p0: &PortId) -> Lookup<SymbolicCost> {
-    Lookup::Hit(SymbolicCost::LinearCost {
-        _0: SizeVariable {
-            source_port: *p0,
-            display_name: None,
-        },
-    })
-}
-pub fn combine_iterate(
-    p0: &Lookup<SymbolicCost>,
-    p1: &Lookup<SymbolicCost>,
-) -> Lookup<SymbolicCost> {
-    match p0 {
-        Lookup::Miss => Lookup::Miss,
-        Lookup::Hit(b) => match p1 {
-            Lookup::Miss => Lookup::Miss,
-            Lookup::Hit(y) => Lookup::Hit(iterate((b).clone(), (y).clone())),
-        },
-    }
-}
-pub fn branch_cost(p0: &[SymbolicCostEntry], p1: &PortId, p2: &[Path]) -> Lookup<SymbolicCost> {
-    combine_sequential(
-        &(Lookup::Hit(SymbolicCost::ConstantCost { _0: 1 })),
-        &(combine_sequential(&(lookup_cost(p0, p1)), &(max_of_paths(p0, p2)))),
-    )
-}
-pub fn max_of_paths(p0: &[SymbolicCostEntry], p1: &[Path]) -> Lookup<SymbolicCost> {
-    (p1).iter().fold(
-        Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-        |__fold_acc, __fold_item| {
-            combine_max(
-                &__fold_acc,
-                &(lookup_cost(p0, &((__fold_item).result_port()))),
-            )
-        },
-    )
-}
-pub fn combine_max(p0: &Lookup<SymbolicCost>, p1: &Lookup<SymbolicCost>) -> Lookup<SymbolicCost> {
-    match p0 {
-        Lookup::Miss => Lookup::Miss,
-        Lookup::Hit(ax) => match p1 {
-            Lookup::Miss => Lookup::Miss,
-            Lookup::Hit(bx) => Lookup::Hit(dominant((ax).clone(), (bx).clone())),
-        },
-    }
-}
-pub fn dominant(p0: SymbolicCost, p1: SymbolicCost) -> SymbolicCost {
-    max_path(
-        &({
-            let mut __list = {
-                let mut __list = Vec::new();
-                __list.insert(0, (p1).clone());
-                __list
-            };
-            __list.insert(0, (p0).clone());
-            __list
-        }),
-    )
-}
-pub fn transform_cost_for_target(
-    p0: &[SymbolicCostEntry],
-    p1: &TransformTarget,
-    p2: &[PortId],
-) -> Lookup<SymbolicCost> {
-    match p1 {
-        TransformTarget::Callable(_) => transform_cost(p0, p2),
-        TransformTarget::UnresolvedFieldProject { field_label: _ } => transform_cost(p0, p2),
-        TransformTarget::ResolvedFieldProject { field_label: _ } => transform_cost(p0, p2),
-        TransformTarget::Operator(op) => match op {
-            OperatorKind::Arithmetic(arith) => match arith {
-                ArithmeticOp::Div => match p2 {
-                    [] => Lookup::Miss,
-                    [__list_head, __list_tail @ ..] => combine_sequential(
-                        &(transform_cost(p0, p2)),
-                        &(Lookup::Hit(SymbolicCost::LogCost {
-                            _0: SizeVariable {
-                                source_port: *__list_head,
-                                display_name: None,
-                            },
-                        })),
-                    ),
-                },
-                ArithmeticOp::Add => transform_cost(p0, p2),
-                ArithmeticOp::Sub => transform_cost(p0, p2),
-                ArithmeticOp::Mul => transform_cost(p0, p2),
-            },
-            OperatorKind::Comparison(_) => transform_cost(p0, p2),
-            OperatorKind::Logical(_) => transform_cost(p0, p2),
-        },
-    }
-}
-pub fn transform_cost(p0: &[SymbolicCostEntry], p1: &[PortId]) -> Lookup<SymbolicCost> {
-    combine_sequential(
-        &(Lookup::Hit(SymbolicCost::ConstantCost { _0: 1 })),
-        &(sum_costs(p0, p1)),
-    )
-}
-pub fn sum_costs(p0: &[SymbolicCostEntry], p1: &[PortId]) -> Lookup<SymbolicCost> {
-    (p1).iter().fold(
-        Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-        |__fold_acc, __fold_item| combine_sequential(&__fold_acc, &(lookup_cost(p0, __fold_item))),
-    )
-}
-pub fn sum_costs_excluding_descent_operand(
-    p0: &[SymbolicCostEntry],
-    p1: &[PortId],
-    p2: &PortId,
-) -> Lookup<SymbolicCost> {
-    (p1).iter().fold(
-        Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-        |__fold_acc, __fold_item| {
-            if ((*(__fold_item)) == (*(p2))) {
-                __fold_acc
-            } else {
-                combine_sequential(&__fold_acc, &(lookup_cost(p0, __fold_item)))
-            }
-        },
-    )
-}
-pub fn combine_sequential(
-    p0: &Lookup<SymbolicCost>,
-    p1: &Lookup<SymbolicCost>,
-) -> Lookup<SymbolicCost> {
-    match p0 {
-        Lookup::Miss => Lookup::Miss,
-        Lookup::Hit(ax) => match p1 {
-            Lookup::Miss => Lookup::Miss,
-            Lookup::Hit(bx) => Lookup::Hit(sequential((ax).clone(), (bx).clone())),
-        },
-    }
-}
-pub fn lookup_cost(p0: &[SymbolicCostEntry], p1: &PortId) -> Lookup<SymbolicCost> {
-    match p0 {
-        [] => Lookup::Miss,
-        [__list_head, __list_tail @ ..] => {
-            if ((__list_head).port == (*(p1))) {
-                ((__list_head).cost).clone()
-            } else {
-                lookup_cost(__list_tail, p1)
-            }
-        }
-    }
-}
-pub fn witness_from_symbolic_cost_lookup(
-    p0: &Lookup<SymbolicCost>,
-    p1: Behavior,
-) -> Witness<SymbolicCost> {
-    match p0 {
-        Lookup::Hit(c) => Witness::Inhabits((c).clone()),
-        Lookup::Miss => Witness::Violates {
-            reason: String::from("symbolic_cost_of: missing SymbolicCost for behavior result port"),
-            subject: ViolatesSubject::AtBehavior((p1).clone()),
-        },
-    }
-}
-pub fn cost_lens_read(p0: &Dag, p1: Behavior) -> Witness<SymbolicCost> {
-    witness_from_symbolic_cost_lookup(
-        &(lookup_cost(&(compute_symbolic_costs(p0)), &(behavior_result_port(&p1)))),
-        (p1).clone(),
-    )
-}
-pub fn cost_lens_sequential_op(p0: SymbolicCost, p1: SymbolicCost) -> SymbolicCost {
-    sequential((p0).clone(), (p1).clone())
-}
-pub fn cost_lens_branch_op(p0: SymbolicCost, p1: SymbolicCost) -> SymbolicCost {
-    dominant((p0).clone(), (p1).clone())
-}
-pub fn cost_lens_iterate_op(p0: SymbolicCost, p1: &LoopBound) -> SymbolicCost {
-    match p1 {
-        LoopBound::Cardinality { count: payload } => iterate(
-            SymbolicCost::LinearCost {
-                _0: SizeVariable {
-                    source_port: *payload,
-                    display_name: None,
-                },
-            },
-            (p0).clone(),
-        ),
-        LoopBound::Descent {
-            cluster: __payload_cluster,
-            measure: __payload_measure,
-        } => iterate(
-            SymbolicCost::LinearCost {
-                _0: SizeVariable {
-                    source_port: *__payload_measure,
-                    display_name: None,
-                },
-            },
-            (p0).clone(),
-        ),
-    }
-}
-pub fn cost_lens_validate(p0: &Dag, p1: &SymbolicCost) -> OptionalDiagnostic {
-    OptionalDiagnostic::NoDiagnostic
-}
-pub fn cost_enforcement_project(p0: SymbolicCost) -> SymbolicCost {
-    p0
-}
-pub fn cost_enforcement_violates(p0: SymbolicCost, p1: SymbolicCost) -> bool {
-    if dominates(&p0, (p1).clone()) {
-        if dominates(&p1, (p0).clone()) {
-            (0 == 1)
-        } else {
-            (0 == 0)
-        }
-    } else {
-        (0 == 1)
-    }
-}
diff --git a/src/v3/compiler/src/dag.rs b/src/v3/compiler/src/dag.rs
deleted file mode 100644
index 5f56bb5fa36..00000000000
--- a/src/v3/compiler/src/dag.rs
+++ /dev/null
@@ -1,5863 +0,0 @@
-// The v3 substrate: five L1 behaviors, Ports, a Declaration table, and the Dag container.
-//
-// Two coordinated substrates share one container:
-//
-//   - Computation substrate: five L1 behaviors (Value, Transform, Branch, Loop, Bind)
-//     wiring PortIds into a DAG of runtime operations. M0-terminal.
-//   - Type substrate: a Declaration table indexed by DeclarationId, each declaration
-//     carrying one of six TypeConnective variants (Atom, Conj, Disj, Arrow, Cardinality,
-//     Instantiation). M1(2.5)-terminal until the convergence note in M1_DESIGN.md §1
-//     reopens substrate extension.
-//
-// The two substrates reference each other by typed ID, not by name. Transform.target
-// is a DeclarationId into the Declaration table; ArrowBody::UserDefined holds a
-// BindNodeId witness back into the computation substrate. There is no name-based
-// dispatch at the substrate layer — operators like `+` resolve to the `add` field of
-// an inhabited algebra declaration during inference (via M1_DESIGN §8.9), not at
-// parse time.
-//
-// Dissolution receipt — M0.3 (UPDATED at M1(2.5)):
-//
-//   Checkpoint C2 RESOLVED by deletion and renewed. TransformRule no longer exists;
-//   Transform is Apply(DeclarationId): one shape that covers operators, primitives,
-//   and user functions uniformly. The target is a typed edge into the Declaration
-//   table. C2 is a NEGATIVE guardrail: a new Transform variant triggers the C2 stop
-//   signal (feedback_checkpoint_dissolution_default, feedback_coproduct_dissolution).
-//
-//   Define (function definition) is a BIND whose params: Vec<PortId> is non-empty.
-//   The body is a sub-DAG whose return port is the Bind's value. No TransformRule
-//   variant.
-//
-// Dissolution receipt — M1(2.5):
-//
-//   The primitive substrate parallel-representation debt flagged in M0.3
-//   (LiteralValue, FunctionRef { name: String }, primitive_signature lookup table,
-//   Dag.signatures HashMap) dissolves here. Primitives are now Declarations in the
-//   Declaration table, reached by DeclarationId from Transform.target. Operators
-//   dispatch via inhabitance walks, not string matching. See M1_DESIGN.md §2, §3,
-//   §5, §8.9.
-//
-// Structural refactor — M0.6 (preserved):
-//
-//   Port.state is a three-state PortState enum, not Option<TypeShape>. The biconditional
-//     state == Unresolved  iff  diagnostics.contains(port.id())
-//   holds by construction. Uninferred is the transitional state; the post-infer sweep
-//   drives every port to Resolved or Unresolved before compile_to_dag returns.
-//
-//   SourceSpan lives on every Behavior and every Declaration structurally. Spans flow
-//   forward through lowering; no side tables, no reconstruction.
-
-use std::collections::{HashMap, HashSet};
-use std::sync::LazyLock;
-
-use crate::bootstrap::BOOTSTRAP_FIXTURE_PATH_KEYS;
-use crate::diagnostics::{
-    BootstrapAuthorityKey, Diagnostic, DiagnosticAttribution, DiagnosticTable, SourceSpan,
-};
-use crate::types::TypeShape;
-
-mod bootstrap_std_generated {
-    #![allow(unused_mut)]
-
-    use super::*;
-
-    include!("bootstrap_std_generated.rs");
-}
-
-mod bootstrap_generated {
-    #![allow(unused_mut)]
-
-    use super::*;
-
-    include!("bootstrap_generated.rs");
-}
-
-mod bootstrap_generated_without_parse_surface {
-    #![allow(unused_mut)]
-
-    use super::*;
-
-    include!("bootstrap_generated_without_parse_surface.rs");
-}
-
-mod builder;
-mod computation {
-    //! Host lowering projection for Lane E-C (`std.computation`).
-    //!
-    //! Authority: `dsl/std/computation.dag` ↔ `src/v3/std/computation.dag`. These Rust
-    //! spellings stay in structural parity with the `.dag` carriers while std block
-    //! bodies remain `ArrowBody::Unparsed` at bootstrap.
-    //!
-    //! **Scope:** structural isolation only — the same host projections previously
-    //! lived inline in `dag.rs`; this nested `mod computation` keeps them separate from
-    //! the E-P induction producer in the parent module without adding a new SG-0
-    //! hand-authored file path. This is **not** R3 gate
-    //! `tier3_computation_mirror_dissolved` closure (no mirror deletion, no evaluator
-    //! substitution for those bodies); full dissolution remains T-Tier3-Dissolution
-    //! lane work.
-
-    use super::{
-        positive_descent_count, DescentEvidence, PositiveDescentAmount, ProportionalDivisor,
-    };
-
-    /// 🟡 SCAFFOLD — `SizeBound` coproduct (`docs/modeling-discipline.md` §4).
-    ///
-    /// Authority: `src/v3/std/computation.dag`. Variant taxonomy is durable; `param: String` and
-    /// other bootstrap bridges dissolve when size parameters become first-class substrate refs.
-    /// **Named trigger:** evaluated `std.computation` std block bodies (same dissolution wave as
-    /// the termination lattice mirror). **Ledger:** parity ratchet
-    /// `m2_substrate_inhabitance_test::computation_size_bound_helpers_match_dag_authority`.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum SizeBound {
-        CollectionSize { param: String },
-        ParserStreamSize { witness: String },
-        WorklistDrainSize { element: String },
-        TreeSize { param: String },
-        ArithmeticParam { param: String },
-        ExplicitCountZero,
-        ExplicitCountPositive { steps: PositiveDescentAmount },
-        Forever,
-    }
-
-    /// 🟡 SCAFFOLD — `CallPattern` coproduct (`docs/modeling-discipline.md` §4).
-    ///
-    /// Authority: `src/v3/std/computation.dag`. Peano shrink payloads are proof-grade (terminal
-    /// at witness shape); `String` slots on `CallPattern` forward into `SizeBound.param` via
-    /// `lower_call_pattern` (no fabricated size labels). Dissolves with structural parameter refs
-    /// (E-P). **Named trigger:** same as [`SizeBound`]. **Ledger:**
-    /// `m2_substrate_inhabitance_test::computation_lowering_rust_mirror_matches_dag_authority`.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum CallPattern {
-        ChildAccessorCall {
-            accessor: String,
-        },
-        CollectionShrinkCall {
-            amount: PositiveDescentAmount,
-            collection: String,
-        },
-        ArithmeticSubtractCall {
-            steps: PositiveDescentAmount,
-            ring_param: String,
-        },
-        ArithmeticDivideCall {
-            divisor: ProportionalDivisor,
-            ring_param: String,
-        },
-        ParserAdvanceCall {
-            witness: String,
-        },
-        WorklistDrainCall {
-            element: String,
-        },
-        FoldBodyCall {
-            outer_collection: String,
-        },
-        SameArgumentCall,
-    }
-
-    /// 🟢 TERMINAL — `ShrinkFactor` coproduct (`docs/modeling-discipline.md` §4).
-    ///
-    /// Authority: `src/v3/std/computation.dag`. Only unit / Peano constant / Peano proportional
-    /// shrink — illegal rates stay unrepresentable at the carrier. **Ledger:** exercised through
-    /// the same `m2_substrate_inhabitance_test` computation rows as [`CallPattern`].
-    #[derive(Debug, Clone, PartialEq, Eq, Hash)]
-    pub enum ShrinkFactor {
-        UnitShrink,
-        ConstantShrink { steps: PositiveDescentAmount },
-        ProportionalShrink { divisor: ProportionalDivisor },
-    }
-
-    /// 🟢 TERMINAL — `IterationPrimitive` coproduct (`docs/modeling-discipline.md` §4).
-    ///
-    /// Closed `{Fold, Descend, Repeat}` behavioral alphabet (MODELING.md M9). Authority:
-    /// `src/v3/std/computation.dag`.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-    pub enum IterationPrimitive {
-        Fold,
-        Descend,
-        Repeat,
-    }
-
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct LoweringTarget {
-        pub primitive: IterationPrimitive,
-        pub bound: SizeBound,
-        pub evidence: DescentEvidence,
-        pub factor: Option<ShrinkFactor>,
-    }
-
-    pub fn lower_call_pattern(pattern: CallPattern) -> LoweringTarget {
-        match pattern {
-            CallPattern::ChildAccessorCall { accessor } => LoweringTarget {
-                primitive: IterationPrimitive::Descend,
-                bound: SizeBound::TreeSize { param: accessor },
-                evidence: DescentEvidence::Strict,
-                factor: None,
-            },
-            CallPattern::CollectionShrinkCall { amount, collection } => LoweringTarget {
-                primitive: IterationPrimitive::Fold,
-                bound: SizeBound::CollectionSize { param: collection },
-                evidence: DescentEvidence::Strict,
-                factor: Some(ShrinkFactor::ConstantShrink { steps: amount }),
-            },
-            CallPattern::ArithmeticSubtractCall { steps, ring_param } => LoweringTarget {
-                primitive: IterationPrimitive::Repeat,
-                bound: SizeBound::ArithmeticParam { param: ring_param },
-                evidence: DescentEvidence::Strict,
-                factor: Some(ShrinkFactor::ConstantShrink { steps }),
-            },
-            CallPattern::ArithmeticDivideCall {
-                divisor,
-                ring_param,
-            } => LoweringTarget {
-                primitive: IterationPrimitive::Repeat,
-                bound: SizeBound::ArithmeticParam { param: ring_param },
-                evidence: DescentEvidence::Strict,
-                factor: Some(ShrinkFactor::ProportionalShrink { divisor }),
-            },
-            CallPattern::ParserAdvanceCall { witness } => LoweringTarget {
-                primitive: IterationPrimitive::Fold,
-                bound: SizeBound::ParserStreamSize { witness },
-                evidence: DescentEvidence::Strict,
-                factor: None,
-            },
-            CallPattern::WorklistDrainCall { element } => LoweringTarget {
-                primitive: IterationPrimitive::Fold,
-                bound: SizeBound::WorklistDrainSize { element },
-                evidence: DescentEvidence::Strict,
-                factor: None,
-            },
-            CallPattern::FoldBodyCall { outer_collection } => LoweringTarget {
-                primitive: IterationPrimitive::Fold,
-                bound: SizeBound::CollectionSize {
-                    param: outer_collection,
-                },
-                evidence: DescentEvidence::NonIncreasing,
-                factor: None,
-            },
-            CallPattern::SameArgumentCall => LoweringTarget {
-                primitive: IterationPrimitive::Repeat,
-                bound: SizeBound::Forever,
-                evidence: DescentEvidence::NonIncreasing,
-                factor: None,
-            },
-        }
-    }
-
-    pub fn size_bound_param(bound: &SizeBound) -> Option<&str> {
-        match bound {
-            SizeBound::TreeSize { param } => Some(param.as_str()),
-            SizeBound::CollectionSize { param } => Some(param.as_str()),
-            SizeBound::ParserStreamSize { witness } => Some(witness.as_str()),
-            SizeBound::WorklistDrainSize { element } => Some(element.as_str()),
-            SizeBound::ArithmeticParam { param } => Some(param.as_str()),
-            SizeBound::ExplicitCountZero
-            | SizeBound::ExplicitCountPositive { .. }
-            | SizeBound::Forever => None,
-        }
-    }
-
-    pub fn is_constant_bound(bound: &SizeBound) -> bool {
-        matches!(
-            bound,
-            SizeBound::ExplicitCountZero
-                | SizeBound::ExplicitCountPositive { .. }
-                | SizeBound::Forever
-        )
-    }
-
-    /// `None` when `bound` is not constant (`ExplicitCount*` / `Forever` only).
-    ///
-    /// `Forever` materializes as signed-`Int` top (`i64::MAX`) per `std.computation`
-    /// `repeat(max_int)`; the prior `forever_iteration_bound()` Rust mirror was retired
-    /// (Tier3 gate #2 narrow slice — see `tier3_computation_mirror_trivial_constructors_dissolved`).
-    pub fn constant_bound_value(bound: &SizeBound) -> Option<i64> {
-        match bound {
-            SizeBound::ExplicitCountZero => Some(0),
-            SizeBound::ExplicitCountPositive { steps } => Some(positive_descent_count(steps)),
-            SizeBound::Forever => Some(i64::MAX),
-            _ => None,
-        }
-    }
-
-    /// 🟢 TERMINAL — `IterationDimension` coproduct (`docs/modeling-discipline.md` §4).
-    ///
-    /// Three-way projection from kernel algebra profiles onto iteration regimes. Authority:
-    /// `src/v3/std/computation.dag`.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-    pub enum IterationDimension {
-        TreeDescent,
-        CollectionFold,
-        ArithmeticRepeat,
-    }
-
-    /// 🟢 TERMINAL — `AlgebraProfile` coproduct (`docs/modeling-discipline.md` §4).
-    ///
-    /// Closed seven-variant mirror of `dsl/std/algebra.dag` `AlgebraProfile`.
-    /// The profile table itself is read from the lowered `kernel_algebra_profile`
-    /// `ValueBody::Map`, not from a hand-maintained Rust lookup table.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-    pub enum AlgebraProfile {
-        OrderedRingProfile,
-        ApproximateFieldProfile,
-        BooleanAlgebraProfile,
-        BooleanAlgebraCollectionProfile,
-        FreeMonoidScalarProfile,
-        FreeMonoidCollectionProfile,
-        PartialFunctionProfile,
-    }
-
-    pub fn algebra_profile_to_dimension(profile: AlgebraProfile) -> Option<IterationDimension> {
-        match profile {
-            AlgebraProfile::FreeMonoidCollectionProfile
-            | AlgebraProfile::FreeMonoidScalarProfile
-            | AlgebraProfile::BooleanAlgebraCollectionProfile
-            | AlgebraProfile::PartialFunctionProfile => Some(IterationDimension::CollectionFold),
-            AlgebraProfile::OrderedRingProfile | AlgebraProfile::ApproximateFieldProfile => {
-                Some(IterationDimension::ArithmeticRepeat)
-            }
-            AlgebraProfile::BooleanAlgebraProfile => None,
-        }
-    }
-
-    pub fn type_iteration_dimension(type_name: &str) -> Option<IterationDimension> {
-        if type_name == "Node" {
-            return Some(IterationDimension::TreeDescent);
-        }
-
-        super::BOOTSTRAPPED_DAG
-            .kernel_algebra_profile(type_name)
-            .and_then(algebra_profile_to_dimension)
-    }
-}
-mod effects;
-mod ports;
-
-pub use computation::{
-    algebra_profile_to_dimension, constant_bound_value, is_constant_bound, lower_call_pattern,
-    size_bound_param, type_iteration_dimension, AlgebraProfile, CallPattern, IterationDimension,
-    IterationPrimitive, LoweringTarget, ShrinkFactor, SizeBound,
-};
-
-pub(crate) use effects::{
-    classify_operation_effect, compose_operation_effects, EffectClassificationFailure,
-};
-
-pub use effects::{
-    lane2_workflow_idempotency_report, operation_effect_shape, report_unsupported_workflow_variant,
-    BranchArm, BreakingShape, CallableRef, CompositionVerdict, CreateCause, EffectShape,
-    HttpMethodScalar, IdempotencyUnsupportedDetail, IdempotentShape, InputField, KeySource,
-    Operation, ParallelismUnsupportedDetail, ParallelismUnsupportedKind, PathTemplate,
-    RestEndpointBinding, UrlPathToken, WorkflowEffect, WorkflowIdempotencyReport,
-    WorkflowParallelismReport,
-};
-pub use ports::{
-    BoolPortRef, ElementRef, NonEmptyList, NonSingletonList, ParamRef, Port, TransformRef,
-};
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct NodeId(u32);
-
-impl NodeId {
-    fn index(self) -> usize {
-        self.0 as usize
-    }
-
-    pub(crate) fn raw(self) -> u32 {
-        self.0
-    }
-
-    /// Constructs a [`NodeId`] from the dense node-table index (substrate `NodeId` encoding).
-    ///
-    /// Not every index names a [`Behavior`] in every [`Dag`]: [`crate::enforced_lens_application`]
-    /// validates `SectionRef::NodeScope` payloads against [`Dag::node_opt`] and declared-body
-    /// membership (`node_scope_subject_within_arrow_declaration`).
-    pub(crate) fn from_table_index(raw: u32) -> Self {
-        Self(raw)
-    }
-}
-
-/// Typed witness that a `NodeId` identifies a [`BindNode`].
-///
-/// `ArrowBody::UserDefined` means "the declaration body is this bind." Keeping the
-/// witness here prevents every emitter/lens/inference consumer from revalidating the
-/// same raw `NodeId -> BindNode` invariant with `as_bind().expect(...)`.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct BindNodeId(NodeId);
-
-impl BindNodeId {
-    fn new_unchecked(id: NodeId) -> Self {
-        Self(id)
-    }
-
-    pub(crate) fn from_bind_node(dag: &Dag, id: NodeId) -> Option<Self> {
-        dag.node_opt(&id).and_then(Behavior::as_bind)?;
-        Some(Self::new_unchecked(id))
-    }
-
-    pub fn node_id(self) -> NodeId {
-        self.0
-    }
-
-    pub fn bind_opt(self, dag: &Dag) -> Option<&BindNode> {
-        dag.node_opt(&self.0)?.as_bind()
-    }
-
-    pub fn bind(self, dag: &Dag) -> &BindNode {
-        self.bind_opt(dag).expect("BindNodeId must point at a Bind")
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct PortId(u32);
-
-impl PortId {
-    pub fn raw(self) -> u32 {
-        self.0
-    }
-}
-
-#[cfg(test)]
-impl PortId {
-    pub(crate) const fn test_raw(raw: u32) -> Self {
-        Self(raw)
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct DeclarationId(u32);
-
-impl DeclarationId {
-    fn index(self) -> usize {
-        self.0 as usize
-    }
-
-    pub fn raw(self) -> u32 {
-        self.0
-    }
-}
-
-#[cfg(test)]
-impl DeclarationId {
-    pub(crate) const fn test_raw(raw: u32) -> Self {
-        Self(raw)
-    }
-}
-
-#[cfg(feature = "declaration-id-raw-test-witness")]
-impl DeclarationId {
-    /// Builds an opaque id without validating substrate indexing — **dependent test witness only**
-    /// (feature **`declaration-id-raw-test-witness`**; row-count gates that never read ids).
-    #[doc(hidden)]
-    pub const fn declaration_id_raw_for_testing(raw: u32) -> Self {
-        Self(raw)
-    }
-}
-
-/// Structural reference to a lens-application section.
-///
-/// Authority: `src/v3/std/lens_application.dag` (`SectionRef`). Emitted lens code
-/// (`lens_cost_symbolic`) references this `dag` mirror so cost-basis subjects align with
-/// `EnforcedApplication.section` / design doc §2 (`DeclarationScope` / `NodeScope`).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum SectionRef {
-    DeclarationScope {
-        declaration: DeclarationId,
-    },
-    NodeScope {
-        declaration: DeclarationId,
-        node: NodeId,
-    },
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct ClusterId(u32);
-
-impl ClusterId {
-    fn index(self) -> usize {
-        self.0 as usize
-    }
-
-    pub fn raw(self) -> u32 {
-        self.0
-    }
-}
-
-/// `std.error_primitives` declares canonical `Result<ok, err> = Ok { value: ok } | Err { value: err }`.
-/// Emitters lower it to a target-native `Result` / `struct { Ok; Err }` carrier and must
-/// not also emit a second substrate `type Result`.
-///
-/// Suppression keys off the **resolved structural fingerprint** of that declaration
-/// (name + type-parameter identities + `Ok`/`Err` payload wiring), not `span.file`
-/// suffixes — so unrelated modules named `errors.dag` cannot collide, and renaming
-/// the std file alone does not silently retarget suppression.
-///
-/// **Policy:** the fingerprint is **global**, not std-scoped: any other declaration
-/// named `Result` that matches this exact shape is also suppressed (intentional — the
-/// substrate owns one canonical `Result<ok, err>` carrier; a user-defined twin with
-/// the same fingerprint would not emit as a separate `type Result`).
-pub(crate) fn substrate_result_type_decl_suppressed_for_emit(
-    dag: &Dag,
-    decl: &Declaration,
-) -> bool {
-    if decl.name.as_deref() != Some("Result") {
-        return false;
-    }
-    let [ok_param, err_param] = match decl.type_params.as_slice() {
-        [a, b] => [*a, *b],
-        _ => return false,
-    };
-    let ok_decl = dag.declaration(ok_param);
-    let err_decl = dag.declaration(err_param);
-    let ok_param_ok = matches!(
-        &ok_decl.connective,
-        TypeConnective::Atom(AtomPayload::TypeParam(name)) if name == "ok"
-    );
-    let err_param_ok = matches!(
-        &err_decl.connective,
-        TypeConnective::Atom(AtomPayload::TypeParam(name)) if name == "err"
-    );
-    if !ok_param_ok || !err_param_ok {
-        return false;
-    }
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        return false;
-    };
-    if variants.len() != 2 {
-        return false;
-    }
-    let Some(ok_field) = variants.iter().find(|v| v.label == "Ok") else {
-        return false;
-    };
-    let Some(err_field) = variants.iter().find(|v| v.label == "Err") else {
-        return false;
-    };
-    substrate_result_variant_payload_is_value_of(dag, ok_field.ty, ok_param)
-        && substrate_result_variant_payload_is_value_of(dag, err_field.ty, err_param)
-}
-
-fn substrate_result_variant_payload_is_value_of(
-    dag: &Dag,
-    payload_ty: DeclarationId,
-    type_param: DeclarationId,
-) -> bool {
-    let payload = dag.declaration(payload_ty);
-    let TypeConnective::Conj { children } = &payload.connective else {
-        return false;
-    };
-    children.len() == 1 && children[0].label == "value" && children[0].ty == type_param
-}
-
-/// `std.error_primitives` declares canonical `DivError = DivideByZero | Overflow`.
-/// Like `Result`, emit suppression keys off the resolved structural fingerprint,
-/// not the declaration source path. A declaration with this exact global shape is
-/// the substrate-owned integer-division error carrier and is materialized by the
-/// target division prelude when a program actually needs it.
-pub(crate) fn substrate_div_error_type_decl_suppressed_for_emit(
-    dag: &Dag,
-    decl: &Declaration,
-) -> bool {
-    if decl.name.as_deref() != Some("DivError") || !decl.type_params.is_empty() {
-        return false;
-    }
-    matches!(&decl.connective, TypeConnective::Disj { variants } if {
-        variants.len() == 2
-            && variants.iter().any(|variant| {
-                variant.label == "DivideByZero"
-                    && substrate_div_error_variant_payload_is_unit(dag, variant.ty)
-            })
-            && variants.iter().any(|variant| {
-                variant.label == "Overflow"
-                    && substrate_div_error_variant_payload_is_unit(dag, variant.ty)
-            })
-    })
-}
-
-fn substrate_div_error_variant_payload_is_unit(dag: &Dag, payload_ty: DeclarationId) -> bool {
-    matches!(
-        &dag.declaration(payload_ty).connective,
-        TypeConnective::Conj { children } if children.is_empty()
-    )
-}
-
-/// A type-system declaration. The unit of the type substrate.
-///
-/// Every named declaration (primitive, algebra, user type, type alias) lives in
-/// `Dag.declarations` under a stable DeclarationId. Anonymous declarations (the
-/// inner types of Cardinality bounds, Arrow inputs, etc.) also live here; only the
-/// `name` field distinguishes them.
-///
-/// `type_params`, `phantom_params`, `meta_tag`, `specialization_parent`, `inhabits`, and
-/// `value_body` are separate edges with distinct semantics:
-/// - `type_params`: the canonical carrier for generic parameters declared on
-///   `type Foo<T, U> { ... }` / sum / alias items. Each entry is a
-///   DeclarationId whose connective is `Atom(TypeParam(name))`. Keeping type
-///   params off the connective axis means `Conj.children` stays pure record
-///   fields and `Disj.variants` stays pure sum alternatives — type params no
-///   longer share a slot with either. Empty for most declarations.
-/// - `phantom_params`: the subset of `type_params` that must be preserved for
-///   type checking but do not correspond to runtime fields. Each entry also
-///   names the algebra that governs closure for that phantom value. The initial
-///   R2 Dimensions consumer needs only abelian-group closure, carried as a
-///   typed edge to the substrate algebra declaration: matching phantom values
-///   compose, mismatched values fail closed as a unit mismatch.
-/// - `meta_tag`: "this Conj's shape is constrained by the linked meta-type
-///   declaration." Used for value construction (records, services,
-///   transports) per M1_DESIGN.md §Q0. Empty across the M1(2.5) bootstrap
-///   set except for the §6.5 realization stub.
-/// - `specialization_parent`: optional lowering-only back-pointer from a
-///   **materialized** declaration produced by `lower::specialize_decl_for_lowering`
-///   to the declaration id that was specialized (the immediate template before
-///   substitution). Today only anonymous specialized `Disj` sums set this so
-///   Rust emit can walk to the named template without cloning `Declaration::name`
-///   (P2 / `Dag::declaration_by_name`). `None` for every other declaration.
-/// - `inhabits`: "this declaration additionally satisfies the linked
-///   algebra's laws." Used for secondary algebra inhabitance on declarations
-///   with their own primary structure. Empty across M1(2.5).
-/// - `value_body`: "this declaration is a data value of the declared type,
-///   not a type alias." Distinguishes `data foo: Int = {...}` from
-///   `type foo = Int` at the substrate level. `None` for type
-///   declarations; `Some(ValueBody::Unparsed(span))` for data items whose
-///   body source is preserved but not yet lowered to a value sub-DAG.
-///   See M1(2.7) QW2 resolution in DOWNSTREAM_REQUIREMENTS.md.
-#[derive(Debug, Clone)]
-pub struct Declaration {
-    pub id: DeclarationId,
-    pub name: Option<String>,
-    pub connective: TypeConnective,
-    pub type_params: Vec<DeclarationId>,
-    pub phantom_params: Vec<PhantomParameter>,
-    pub meta_tag: Option<DeclarationId>,
-    pub specialization_parent: Option<DeclarationId>,
-    pub inhabits: Option<DeclarationId>,
-    pub value_body: Option<ValueBody>,
-    /// DB-11 (3a.3): optional refinement predicate. `None` for
-    /// ordinary declarations; `Some(pred_id)` for refined parameter
-    /// types where `pred_id` points at a predicate `Declaration`
-    /// whose connective is `Arrow { inputs: [base], output: Bool,
-    /// body: UserDefined(bind) }`. The `Bind`'s `params[0]` is the
-    /// refinement's parameter slot; walking from `Bind.value` through
-    /// the predicate's node sub-DAG reaches the Bool output. Two
-    /// refinements are structurally equal iff their predicate
-    /// expression DAGs walk equal via
-    /// `infer::predicates_structurally_equal` — no interning, no SMT
-    /// entailment.
-    ///
-    /// **Consumers.** `infer::decide_transform` consults
-    /// `refinement` on the callee's parameter type declaration via
-    /// `check_refinement_discharge` after structural equivalence
-    /// passes; argument-side ports carry the refined declaration id
-    /// through `declaration_to_port_shape` and `signature_type_shape`
-    /// (which stops at refinement carriers so the alias walk doesn't
-    /// strip the edge). `lower::narrow_scope_for_predicate` creates
-    /// refined declarations for arm-local narrowing when an `if`
-    /// cond is a single-parameter predicate.
-    pub refinement: Option<DeclarationId>,
-    /// Nominal-opacity carrier (T-Substrate nominal-opaque-for-Secret
-    /// subset, carrier-only staging). When `Some`, the listed
-    /// `permitted_accessors` are the intended sealed-accessor boundary
-    /// for generic structural walks. The fail-closed walker consumer +
-    /// std `Secret` marking + carry-forward through specialization are
-    /// the named follow-up enforcement work; this field is staging
-    /// surface only and must either gain a real walker consumer or be
-    /// removed before T-Modeling Secret<T> graduation can dispatch.
-    pub nominal_opacity: Option<NominalOpacity>,
-    pub span: SourceSpan,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct PhantomParameter {
-    pub parameter: DeclarationId,
-    pub algebra: DeclarationId,
-}
-
-/// Sealed-accessor carrier (carrier-only staging). Lists the
-/// `DeclarationId`s intended as the only permitted descent path into
-/// a nominal-opaque declaration's interior. The fail-closed walker
-/// consumer is the named follow-up enforcement work.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct NominalOpacity {
-    pub permitted_accessors: Vec<DeclarationId>,
-}
-
-// Value-body shape for `data foo: T = ...` declarations.
-//
-// Dissolution ledger: `Unparsed` is the bounded scaffold (named dissolution
-// trigger: M2+ parser extensions close class-5 gap #3); structural variants
-// carry lowered record/scalar/list/map data bodies. Keep the enum itself in the
-// generated include below so `src/v3/std/substrate.dag` remains the carrier
-// authority. Map payloads are wrapped in `FieldMap` on the Rust side to
-// preserve duplicate-key rejection.
-include!("dag_value_body_generated.rs");
-
-/// Ordered string-keyed structural map entries with duplicate keys rejected at
-/// construction. The ordered storage is deliberate: `.dag` data maps preserve
-/// authored order for deterministic bootstrap/regeneration output, while the
-/// constructor enforces map key uniqueness once at the substrate boundary.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct FieldMap {
-    entries: Vec<(String, FieldValue)>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct DuplicateFieldMapKey {
-    pub key: String,
-}
-
-impl FieldMap {
-    pub fn from_entries(entries: Vec<(String, FieldValue)>) -> Result<Self, DuplicateFieldMapKey> {
-        let mut seen = HashSet::new();
-        for (key, _) in &entries {
-            if !seen.insert(key.clone()) {
-                return Err(DuplicateFieldMapKey { key: key.clone() });
-            }
-        }
-        Ok(Self { entries })
-    }
-
-    pub fn entries(&self) -> &[(String, FieldValue)] {
-        &self.entries
-    }
-
-    pub fn into_entries(self) -> Vec<(String, FieldValue)> {
-        self.entries
-    }
-}
-
-/// Per-field value payload inside a `ValueBody::Structural`.
-/// Scalar literals, declaration references, nested records, nested
-/// lists, and structural sum constructors each carry distinct
-/// payload shapes, so the discriminant remains load-bearing.
-///
-/// **Why both variants exist.** PR-B's initial payload was
-/// `LiteralBits` only, which forced `src/v3/spec/rust.dag`
-/// to encode declaration identities as strings (`target_name:
-/// "Int"`) — and that pushed string-dispatch back into
-/// `emit_rust.rs`, undoing the M1(2.7) cleanup at the inference
-/// layer one layer down. The unwind adds the `Reference` variant
-/// so target spec files write `target: Int` (typed edge to the
-/// `Int` declaration in std/integer.dag) and downstream consumers
-/// read a `DeclarationId` directly.
-///
-/// Lowering recognizes when a record-literal field's declared type
-/// walks to the `DeclarationRef` sentinel marker (declared in
-/// `src/v3/spec/v3_l1.dag`) and accepts identifier / dotted-path
-/// expressions as field values, resolving them to declaration ids.
-/// For non-`DeclarationRef` field types lowering requires a literal.
-///
-/// 4-pattern check:
-/// - Pattern 1 (fact placement): fails. Each variant has a
-///   distinct payload type; the discriminant is load-bearing for
-///   downstream readers (the realization index, the cost lens, etc).
-/// - Pattern 2 (variant-is-data): fails. `Literal(LiteralBits)`,
-///   `Reference(DeclarationId)`, `Record(Vec<...>)`,
-///   `List(Vec<...>)`, `Map(FieldMap)`, and `Variant { .. }` inhabit different
-///   structural spaces.
-/// - Pattern 3 (algebraic form): fails. The six variants are not
-///   points in one algebra; they are the minimal carrier set needed
-///   for nested structural data bodies.
-/// - Pattern 4 (dimensional): fails.
-///
-/// Verdict: terminal at the current structural-data layer. Any new
-/// `FieldValue` variant still requires its own 4-pattern receipt at
-/// extension time.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum FieldValue {
-    /// A scalar primitive value: Int, Bool, or String. Validated
-    /// at lowering time against the declared field type via the
-    /// primitive cache.
-    Literal(LiteralBits),
-    /// A typed reference to another declaration. The
-    /// `DeclarationId` was resolved at lowering time from a
-    /// `SurfaceExpr::Var` or `SurfaceExpr::Path`. Used by
-    /// per-target language spec files (e.g. rust.dag) to point at
-    /// realization targets without going through string keys.
-    Reference(DeclarationId),
-    /// Nested structural record value. Used by staged spec files
-    /// whose structural data bodies contain record-valued fields.
-    Record(Vec<(String, FieldValue)>),
-    /// Structural list value. Used by staged spec files whose
-    /// structural data bodies contain list-valued fields.
-    List(Vec<FieldValue>),
-    /// Structural string-keyed map value. Used by staged spec files whose
-    /// structural data bodies contain `Map<String, _>` fields. The carrier is
-    /// validated so duplicate keys are not representable after construction.
-    Map(FieldMap),
-    /// Structural sum constructor with positional payload fields.
-    /// The exact variant child declaration is preserved explicitly
-    /// so downstream consumers can recover variant identity without
-    /// string bridges.
-    Variant {
-        constructor: DeclarationId,
-        payload: Vec<FieldValue>,
-    },
-}
-
-// Terminal literal/cardinality/template/port-state mirrors are generated
-// from `std/substrate.dag`; keep the substrate authority there, not here.
-include!("dag_scalar_generated.rs");
-
-/// Construct [`LiteralBits::Int`] from a host `i64` (tests, staging, internal seeds).
-#[inline]
-pub fn literal_bits_int(i: i64) -> LiteralBits {
-    LiteralBits::Int(i.to_string())
-}
-
-/// Parse a signed decimal [`LiteralBits::Int`] payload as `i64` (evaluator / emit paths).
-#[inline]
-pub fn literal_decimal_i64(s: &str) -> Option<i64> {
-    s.parse().ok()
-}
-
-/// Parse a nonnegative decimal [`LiteralBits::Int`] payload as `usize` (emit slot indices, …).
-#[inline]
-pub fn literal_decimal_usize(s: &str) -> Option<usize> {
-    if s.starts_with('-') {
-        return None;
-    }
-    s.parse().ok()
-}
-
-impl CardinalityBound {
-    pub fn interval(self) -> Interval<u32> {
-        match self {
-            Self::Exact(value) => Interval::BoundedInterval {
-                lower: value,
-                width: IntervalWidth::ZeroWidth,
-            },
-            Self::AtMostOne => Interval::BoundedInterval {
-                lower: 0,
-                width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::OneUnit),
-            },
-            Self::Unbounded => Interval::Unbounded,
-        }
-    }
-}
-
-mod cardinality_payload;
-pub use cardinality_payload::CardinalityPayload;
-
-/// The six-variant type substrate. Terminal at M1(2.5).
-///
-/// Dissolution ledger (4-pattern check per THESIS §"Structural decompression"):
-/// - **Pattern 1 (fact placement)**: fails. Each variant carries a
-///   structurally distinct shape (Atom is a payload enum, Conj holds a
-///   labeled product, Disj a labeled coproduct, Arrow a typed function,
-///   Cardinality a repetition, Instantiation a template reference).
-///   Scattering them into per-variant side tables duplicates dispatch.
-/// - **Pattern 2 (variant-is-data)**: fails. Different variants have
-///   different payload types; a unified representation would be a tagged
-///   union (which is what we already have).
-/// - **Pattern 3 (algebraic form)**: passes. The six variants map to the
-///   six category-theoretic forms of a type algebra (intro + AND + OR +
-///   function + repetition + parametric specialization). The substrate
-///   matches the thesis's type-substrate shape exactly.
-/// - **Pattern 4 (dimensional)**: fails. No shared coordinate space
-///   underlies all six variants.
-///
-/// Verdict: terminal at M1(2.5). Extension requires the C1-class stop
-/// signal in M1_DESIGN.md §8.10 — all four patterns must be re-run
-/// before adding a 7th variant. See also the related §8.11 Pending
-/// elimination ratchet that dissolves `ArrowBody::Pending` (not a
-/// TypeConnective variant) by M3.
-#[derive(Debug, Clone)]
-pub enum TypeConnective {
-    /// Irreducible leaf. See AtomPayload.
-    Atom(AtomPayload),
-    /// Labeled product — logical AND. All children present together.
-    Conj { children: Vec<Field> },
-    /// Labeled coproduct — logical OR. Exactly one variant active.
-    Disj { variants: Vec<Field> },
-    /// Function type — directional flow from inputs to an output. `body` covers
-    /// user sub-DAGs, extdeps-declared realizations, and the Pending bootstrap
-    /// state. See M1_DESIGN.md §Q7.
-    Arrow {
-        inputs: Vec<DeclarationId>,
-        output: DeclarationId,
-        body: ArrowBody,
-    },
-    /// Repetition over an element type with a bound. Unifies v2's Required/Optional
-    /// with list cardinality.
-    Cardinality(CardinalityPayload),
-    /// Specialization of a parameterized template with concrete template arguments.
-    /// For pure aliases like `Int = OrderedRing<Word64>`, Int's connective IS
-    /// Instantiation directly — inhabitance collapses into this form. See
-    /// M1_DESIGN.md §Q0, §Q1.
-    Instantiation {
-        template: DeclarationId,
-        arguments: Vec<TemplateArgument>,
-    },
-}
-
-/// Maximum alias / resolution hops when peeling before cardinality idempotence.
-const CARDINALITY_IDEMPOTENCE_PEEL_DEPTH: usize = 64;
-
-/// Peel `ResolvedBy*` atoms and zero-argument `Instantiation` aliases (surface
-/// `type Alias = Target` lowering) to the denoted declaration. Stops at the
-/// first non-transparent connective or at [`CARDINALITY_IDEMPOTENCE_PEEL_DEPTH`].
-fn peel_alias_for_cardinality_idempotence(
-    dag: &Dag,
-    current: DeclarationId,
-    depth: usize,
-) -> DeclarationId {
-    if depth >= CARDINALITY_IDEMPOTENCE_PEEL_DEPTH {
-        return current;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            peel_alias_for_cardinality_idempotence(dag, *next, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if arguments.is_empty() => {
-            peel_alias_for_cardinality_idempotence(dag, *template, depth + 1)
-        }
-        _ => current,
-    }
-}
-
-/// `AtMostOne ∧ AtMostOne` idempotence: nested optional uses the inner declaration.
-///
-/// Single rule authority for T-ImpossibleBugs nested-optional flatten. Applies
-/// after peeling zero-arg instantiation / resolved-atom indirection so
-/// `type Opt = Int?; type Alias = Opt; … Alias?` collapses like `Opt?`.
-pub(crate) fn cardinality_idempotent_target(
-    dag: &Dag,
-    element: DeclarationId,
-    bound: CardinalityBound,
-) -> Option<DeclarationId> {
-    if bound != CardinalityBound::AtMostOne {
-        return None;
-    }
-    let subject = peel_alias_for_cardinality_idempotence(dag, element, 0);
-    match &dag.declaration(subject).connective {
-        TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => Some(subject),
-        _ => None,
-    }
-}
-
-/// `TypeConnective::Cardinality` for contexts that do not allocate a declaration
-/// (e.g. type-alias connective). Reuses the same
-/// [`cardinality_idempotent_target`] / nested-`AtMostOne` rule as
-/// [`Dag::alloc_cardinality_decl`]: if `element` is already
-/// `Cardinality(AtMostOne, …)` with matching `bound`, the existing connective is
-/// returned unchanged instead of minting `Cardinality(AtMostOne, that_decl)`.
-pub(crate) fn type_connective_cardinality(
-    dag: &Dag,
-    element: DeclarationId,
-    bound: CardinalityBound,
-) -> TypeConnective {
-    if let Some(keep) = cardinality_idempotent_target(dag, element, bound) {
-        return dag.declaration(keep).connective.clone();
-    }
-    TypeConnective::Cardinality(CardinalityPayload::new_unchecked_bypassing_idempotence(
-        element, bound,
-    ))
-}
-
-#[derive(Debug, Clone)]
-pub struct Field {
-    pub label: String,
-    pub ty: DeclarationId,
-}
-
-impl AtomPayload {
-    pub fn resolved_id(&self) -> Option<DeclarationId> {
-        match self {
-            Self::ResolvedByStructure(id) | Self::ResolvedByName(id) => Some(*id),
-            _ => None,
-        }
-    }
-}
-
-/// Dissolution ledger (per M1_DESIGN.md §Q7 "ArrowBody dissolution ledger"):
-/// ArrowBody is a **mixed-lifecycle coproduct**. Terminal shape is 2
-/// variants (`UserDefined`, `ExternalRealization`); the two
-/// scaffold variants (`Pending`, `Unparsed`) dissolve via separate
-/// ratchets with distinct triggers.
-///
-/// 4-pattern check on the terminal pair (UserDefined, ExternalRealization):
-/// - Pattern 1 (fact placement): fails. Both are Arrow-level facts with
-///   different structural targets (NodeId vs DeclarationId).
-/// - Pattern 2 (variant-is-data): fails. Different payload types.
-/// - Pattern 3 (algebraic form): partial. Both are "realization
-///   reference" but with structurally different reference types;
-///   collapsing would require a sum over NodeId/DeclarationId — a
-///   worse coproduct.
-/// - Pattern 4 (dimensional): fails. No shared coordinate space.
-///
-/// Scaffold variants with their dissolution triggers:
-///
-/// - **`Pending`** — "body to come, transient." Two production sites
-///   write Pending today, both transient:
-///
-///   1. **Executable-fn seeding (declarations).** `seed_function_signature`
-///      writes `Pending` for `fn foo(x) -> T = body` declarations as
-///      the initial substrate state. `lower_fn_item` is responsible
-///      for patching every such declaration to
-///      `ArrowBody::UserDefined(BindNodeId::from_bind_node(dag, bind_id))` before the Dag is frozen
-///      — including on error paths (R13 fix in `lower.rs`). A
-///      final `Arrow(Pending)` surviving into the Dag is
-///      structurally equivalent to "body lowering missed a path,"
-///      which is exactly what `lens_structural_resolution` detects.
-///
-///   2. **Operator fallback bridge (transient `ResolvedArrow`).**
-///      `infer::resolve_operator_arrow` falls back to a synthetic
-///      `(T, T) -> T` / `(T, T) -> Bool` signature with `body:
-///      Pending` when the structural algebra walk can't find an
-///      algebra Conj (Bool, collection-level algebras — class-5
-///      gaps #1 and #2 in DOWNSTREAM_REQUIREMENTS.md). This shape
-///      lives in inference-only `ResolvedArrow` values, never in
-///      `Dag.declarations`, so the lens cannot see it. Dissolves
-///      when those class-5 gaps close.
-///
-///   **History.** Earlier rounds wrote Pending at four additional
-///   sites (anonymous nested Arrow type expressions, type-alias
-///   targets, data-item type annotations, variant constructor
-///   synthesis), all of which represented "no body by construction"
-///   rather than "body to come." Those sites migrated to `NoBody`
-///   in the (a)/broader-migration work — see the per-site comments
-///   at `lower.rs` (`type_to_connective`, anonymous nested Arrow synthesis),
-///   and `infer.rs:1893`
-///   (`resolve_direct_target_signature`).
-///
-/// - **`NoBody`** — terminal "no body by construction." Used wherever
-///   an Arrow signature exists but the declaration carries no
-///   executable body and never will. Production sites:
-///
-///   1. **Type aliases / data items** with Arrow targets
-///      (`type Callback = fn(Int) -> Int`, `data x: fn(Int) -> Int = ...`)
-///      via `lower_type_alias` / `lower_data_item` →
-///      `type_to_connective`.
-///
-///   2. **Anonymous nested Arrow declarations** synthesized inside
-///      larger type expressions (`fn handler(cb: fn(Int) -> Int)`,
-///      bootstrap algebra arrows like `add: fn(T, T) -> T`) via
-///      `type_to_declaration_id`'s Arrow arm.
-///
-///   3. **Variant constructor signatures** synthesized by
-///      `infer::resolve_direct_target_signature` for `Variant(payload)`
-///      direct-construction calls (transient `ResolvedArrow`, never
-///      stored in `Dag.declarations`).
-///
-///   `decide_transform` treats `NoBody` identically to `Pending`
-///   (signature inhabitance, body-walking skipped). The variant
-///   distinction exists to make the substrate predicate
-///   "`Arrow(Pending)` in the final Dag = R13-class regression"
-///   structurally exact, with no `name`-based proxy in the lens.
-///
-///   No dissolution trigger — terminal at the substrate level.
-///
-/// - **`Unparsed`** — surface-grammar lag (**case 1**) and **case 2c** the
-///   `pipeline.dag` **`compile`** orchestrator (ordering authority). Used at
-///   M1(2.7) for block-bodied `fn foo(x) -> T { body }` declarations in std/
-///   files where the body contains match/pipe/lambda/ etc. **Parser note
-///   (Prereq-2 / #1248):** authority `.dag` sources still surface these as
-///   `SurfaceItem::FnExternalBody` (brace-skip) so bootstrap snapshots stay
-///   stable; user `.v3` modules may surface `SurfaceItem::Fn` for single-
-///   expression brace bodies instead. **`pipeline.dag`
-///   per-stage fns (case 2a)** parse as `FnExternalBody` → `Unparsed`, then
-///   bootstrap rewrites those Arrow bodies to `ExternalRealization` before
-///   inference — so `Unparsed` does not persist for those stages in a
-///   bootstrapped DAG. **`fn compile` (case 2c)** has no `PipelineStageBinding`:
-///   **`Unparsed` persists** on its Arrow body. Pipeline **runtime** ordering
-///   authority is the declaration order of the `PipelineStageBinding` records
-///   in the Dag — `ordered_pipeline_stages` reads that structural order only.
-///   The human-readable `compile` body remains a second **authored** surface;
-///   fail-closed drift detection between it and the bindings is **suspended**
-///   (PR #1171 disposition, 2026-04-29): the lowered Dag does not carry an
-///   ordered stage list inside `compile`, and neither compile-time embed nor
-///   runtime source-file read satisfies R3 `bridge_include_str_side_channels_retired`
-///   for that check — see `pipeline_authority::ordered_pipeline_stages`. Until
-///   derivation, review/regen discipline keeps the two carriers aligned. PR #637
-///   narrowed the prior body-span-as-authority shape; scheduled debt remains
-///   (see `docs/history/roadmap-scheduled-deletions.md` case 2c). The signature
-///   still flows forward through the
-///   declaration table so callers can type-check against it, and the body
-///   source span is preserved so M2+ parser extensions can reach in for case 1.
-///   **User-range boundary:** `reject_user_unparsed_scaffolds` in
-///   `src/v3/compiler/src/lower.rs` fails-closed any user-range
-///   declaration carrying this variant (R14 + M1(2.8) Scaffold
-///   Boundaries invariant). Bootstrap-range declarations stay
-///   tolerated. **Case 1** dissolution: M2 surface-grammar extension — when
-///   every relevant std/ block body becomes parseable, case-1 `Unparsed` is
-///   removed via a reverse substrate-extension PR. **Case 2c** is not waiting on
-///   that grammar milestone.
-///
-/// Verdict: terminal form is 3 variants (`UserDefined`,
-/// `ExternalRealization`, `NoBody`). The 5-variant shape is a
-/// transition state: `Pending` and **case-1** `Unparsed` are scaffolds with
-/// named dissolution (M3 / M2 grammar). **`Unparsed` on `pipeline.dag`'s
-/// `compile` (DB-16 case 2c)** is different — a **bootstrap-range carrier
-/// in bridge shape**: body span is no longer the ordering authority
-/// (structural binding order is), but two authored carriers still exist until
-/// derivation; runtime reconcile is suspended pending a structural witness, so
-/// 2c remains scheduled debt with its own dissolution trigger (derivation, not the M2 parser
-/// milestone). User-range
-/// `Unparsed` stays gated (R14).
-#[derive(Debug, Clone)]
-pub enum ArrowBody {
-    /// User-defined function. BindNodeId is the root bind of a sub-DAG of L1
-    /// behavior nodes in `Dag.nodes`. Inference walks the sub-DAG and checks
-    /// the body against the declared inputs/output.
-    UserDefined(BindNodeId),
-    /// Primitive whose realization is declared in an extdeps language spec.
-    /// DeclarationId points at the realization declaration via a typed edge;
-    /// inference verifies signature compatibility.
-    ExternalRealization(DeclarationId),
-    /// Transient "body to come." Signature type-checks via inhabitance;
-    /// body-walking is skipped. Two production sites write `Pending`:
-    ///
-    /// 1. `seed_function_signature` for `fn foo(x) -> T = body`
-    ///    declarations — the initial substrate state before
-    ///    `lower_fn_item` patches the body into `UserDefined(bind_id)`.
-    ///    A final `Arrow(Pending)` surviving into the Dag is
-    ///    structurally a missed body-patching path: the R13-class
-    ///    regression `lens_structural_resolution` watches for.
-    /// 2. `infer::resolve_operator_arrow` for transient `ResolvedArrow`
-    ///    fallback signatures (class-5 gap; never stored in
-    ///    `Dag.declarations`, so the lens cannot see them).
-    ///
-    /// All "no body by construction" sites that earlier wrote `Pending`
-    /// (anonymous nested Arrows, type aliases, data items, variant
-    /// constructor synthesis) now write `NoBody` instead.
-    Pending,
-    /// Terminal "no body by construction." The Arrow signature exists but
-    /// the declaration carries no executable body and never will. Used at
-    /// every "Arrow-as-data" production site:
-    ///
-    /// - `lower_type_alias` / `lower_data_item` → `type_to_connective`
-    ///   for named type aliases (`type Callback = fn(Int) -> Int`) and
-    ///   data items.
-    /// - `type_to_declaration_id` for anonymous nested Arrow
-    ///   declarations inside larger type expressions (parameter types,
-    ///   field types, bootstrap algebra arrows).
-    /// - `infer::resolve_direct_target_signature` for variant
-    ///   constructor `ResolvedArrow` synthesis (transient).
-    ///
-    /// `decide_transform` treats `NoBody` identically to `Pending` at
-    /// dispatch time (signature inhabitance, body-walking skipped). The
-    /// variant distinction exists so `lens_structural_resolution` can
-    /// match `Arrow(Pending)` directly as the structural fact for
-    /// "executable-fn body patching missed a path."
-    NoBody,
-    /// Surface-grammar scaffold. The arrow's signature is resolved and
-    /// callers can type-check against it, but the body source is not
-    /// yet parseable under the M1(2.7) surface grammar. Used by
-    /// block-bodied `fn` declarations in std/ files whose bodies
-    /// contain match/pipe/lambda/etc. The `SourceSpan` points at the
-    /// unparsed body range so M2+ can complete the lowering.
-    /// Dissolves when the surface grammar adopts those forms.
-    Unparsed(SourceSpan),
-}
-
-// Port, port-reference carriers, and the non-trivial-arity list helpers
-// live in `dag/ports.rs`. See re-exports at the top of this module.
-
-// Termination carriers for `src/v3/std/termination.dag`.
-//
-// The `.dag` declarations are the carrier authority. Gate
-// `tier3_termination_mirror_dissolved` retired the public Rust mirror of the
-// `DescentEvidence` lattice operations (`evidence_rank`, `merge_evidence`,
-// `join_evidence`, `promote_to_strict`, `optional_evidence_meet`, and
-// `map_evidence_merge_at`). The std declarations still preserve their
-// `ArrowBody::Unparsed` spans in bootstrap; consumers must not add a second
-// host-side executable copy while evaluator-backed std body execution lands.
-
-/// 🟢 TERMINAL at termination-proof scope.
-///
-/// Rust mirror of the durable evidence lattice declared in
-/// `src/v3/std/termination.dag`.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum DescentEvidence {
-    Strict,
-    NonIncreasing,
-    DescentUnknown,
-}
-
-/// 🟡 SCAFFOLD.
-///
-/// Ranking dimensions are durable, but the `String` parameter bridge dissolves
-/// once function parameters can be referenced structurally.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum RankingDimension {
-    TreeSize { param: String },
-    ListLength { param: String },
-    ArithmeticValue { param: String },
-    TokenPosition { param: String },
-    SetCardinality { param: String },
-}
-
-/// 🟢 TERMINAL at descent-witness scope.
-///
-/// Structural positive amount used so zero/negative shrink witnesses are not
-/// representable in proof carriers.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum PositiveDescentAmount {
-    OneStep,
-    AdditionalStep {
-        previous: Box<PositiveDescentAmount>,
-    },
-}
-
-/// Integer ≥ 2 — proportional-divisor witnesses for divide-and-conquer descent.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum ProportionalDivisor {
-    DivideByTwo,
-    StrictlyLarger { inner: Box<ProportionalDivisor> },
-}
-
-pub fn positive_descent_count(steps: &PositiveDescentAmount) -> i64 {
-    match steps {
-        PositiveDescentAmount::OneStep => 1,
-        PositiveDescentAmount::AdditionalStep { previous } => {
-            1 + positive_descent_count(previous.as_ref())
-        }
-    }
-}
-
-pub fn proportional_divisor_to_int(d: &ProportionalDivisor) -> i64 {
-    match d {
-        ProportionalDivisor::DivideByTwo => 2,
-        ProportionalDivisor::StrictlyLarger { inner } => {
-            1 + proportional_divisor_to_int(inner.as_ref())
-        }
-    }
-}
-
-/// Maximum Peano links materialized from a single `i64` literal (M9 / P4).
-///
-/// Must stay numerically aligned with `dsl/std/termination.dag`
-/// `peano_literal_materialization_cap()` (P2 single authority). Larger requests fail closed with
-/// [`None`] instead of deep recursive materialization.
-pub const MAX_PEANO_MATERIALIZATION: i64 = 256;
-
-/// Builds a Peano witness with **iterative** construction (no deep recursion).
-/// Returns [`None`] when `k` is out of range or exceeds [`MAX_PEANO_MATERIALIZATION`].
-pub fn positive_amount_from_i64(k: i64) -> Option<PositiveDescentAmount> {
-    if !(1..=MAX_PEANO_MATERIALIZATION).contains(&k) {
-        return None;
-    }
-    let mut cur = PositiveDescentAmount::OneStep;
-    for _ in 1..k {
-        cur = PositiveDescentAmount::AdditionalStep {
-            previous: Box::new(cur),
-        };
-    }
-    Some(cur)
-}
-
-/// Iterative construction; `k` must be ≥ 2 and ≤ [`MAX_PEANO_MATERIALIZATION`].
-pub fn proportional_divisor_from_i64(k: i64) -> Option<ProportionalDivisor> {
-    if !(2..=MAX_PEANO_MATERIALIZATION).contains(&k) {
-        return None;
-    }
-    let mut cur = ProportionalDivisor::DivideByTwo;
-    for _ in 2..k {
-        cur = ProportionalDivisor::StrictlyLarger {
-            inner: Box::new(cur),
-        };
-    }
-    Some(cur)
-}
-
-/// 🟡 SCAFFOLD.
-///
-/// The witness taxonomy is durable for E-T; String payloads dissolve when
-/// accessor, operation, witness, and element references become first-class
-/// substrate values.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum DescentSource {
-    ChildAccessor { accessor: String },
-    ListShrink { amount: PositiveDescentAmount },
-    ArithmeticSubtractDescent { steps: PositiveDescentAmount },
-    ArithmeticDivideDescent { divisor: ProportionalDivisor },
-    ParserAdvance { witness: String },
-    SetRemoval { element: String },
-    FoldIteration,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct TerminationProof {
-    pub dimensions: Vec<RankingDimension>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct ProofEdge {
-    pub caller: String,
-    pub callee: String,
-    pub evidence: Vec<DescentEvidence>,
-}
-
-/// 🟢 TERMINAL at E-I inductive-shape scope.
-///
-/// Runtime mirror of `std.induction::RecursionShape`: the closed partition of
-/// recursive field wrappers in the .dag language. This mirrors the `.dag`
-/// classification directly; adding a new recursive container type requires a
-/// new authoritative `.dag` variant and matching mirror/test update.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum RecursionShape {
-    DirectRecursion,
-    ListRecursion,
-    OptionalRecursion,
-    SetRecursion,
-    MapValueRecursion,
-}
-
-/// Runtime mirror of `std.induction::InductiveField` for E-P provenance.
-///
-/// Keep this aligned with `src/v3/std/induction.dag`:
-/// - `type RecursionShape`
-/// - `type InductiveField`
-/// - `type SubValueRelation`
-///
-/// 🟡 SCAFFOLD. String identity matches the current `.dag` carrier and dissolves
-/// when reflected declaration/field references replace the string bridge.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct InductiveField {
-    pub type_name: String,
-    pub variant_name: String,
-    pub field_name: String,
-    pub shape: RecursionShape,
-    pub element_type: String,
-}
-
-/// Runtime mirror of `std.induction::SubValueRelation` for E-P provenance.
-///
-/// 🟡 SCAFFOLD. The `.dag` type remains the authority; this mirror exists so the
-/// native DAG lens can expose per-call evidence while std block bodies still
-/// lower as `ArrowBody::Unparsed`. Dissolution trigger: generated/reflected
-/// lens execution can construct `std.induction::SubValueRelation` directly.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum SubValueRelation {
-    StrictSubValue {
-        field: InductiveField,
-        factor: ShrinkFactor,
-    },
-    IteratedSubValue {
-        field: InductiveField,
-    },
-    ArithmeticDescent {
-        param: String,
-        factor: ShrinkFactor,
-    },
-    PreservedValue,
-    NonIncreasingValue,
-    StrictAxisErased,
-    MixedTop,
-    SubValueUnknown,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct CallDescentEvidence {
-    pub call: NodeId,
-    pub caller: String,
-    pub callee: String,
-    pub evidence: Vec<SubValueRelation>,
-}
-
-/// E-P per-call descent evidence side table.
-///
-/// This is option P-c from `docs/design-substrate-carrier-port-program.md`: keep
-/// `TransformNode` minimal and derive a named side table from lowered call
-/// structure. The producer emits one row per live callable transform and one
-/// [`SubValueRelation`] per argument: [`SubValueRelation::ArithmeticDescent`],
-/// structural [`SubValueRelation::StrictSubValue`] for match payload /
-/// field-projection descents, [`SubValueRelation::PreservedValue`], and
-/// fail-closed unknowns for edges whose descent cannot be proven from the
-/// lowered graph.
-pub fn per_call_descent_evidence(dag: &Dag) -> Vec<CallDescentEvidence> {
-    let mut entries = Vec::new();
-
-    for caller_decl in dag.declarations() {
-        let Some(caller) = declaration_body_bind(dag, caller_decl) else {
-            continue;
-        };
-        let caller_template = callable_target_template_for_provenance(dag, caller_decl.id);
-        let owned_transforms = bind_body_transform_ids(dag, caller);
-
-        for transform in dag.nodes().iter().filter_map(Behavior::as_transform) {
-            if !owned_transforms.contains(&transform.id) {
-                continue;
-            }
-            let TransformTarget::Callable(target_decl) = transform.target else {
-                continue;
-            };
-            let callee_template = callable_target_template_for_provenance(dag, target_decl);
-            let evidence = match (caller_template, callee_template) {
-                (
-                    CallableProvenance::Resolved(caller_template),
-                    CallableProvenance::Resolved(callee_template),
-                ) if caller_template == callee_template => transform
-                    .inputs
-                    .iter()
-                    .enumerate()
-                    .map(|(idx, arg)| classify_call_argument(dag, caller, idx, *arg))
-                    .collect(),
-                (CallableProvenance::Resolved(_), CallableProvenance::Resolved(_)) => {
-                    vec![SubValueRelation::SubValueUnknown; transform.inputs.len()]
-                }
-                (CallableProvenance::Resolved(_), CallableProvenance::Unresolved)
-                | (CallableProvenance::Unresolved, _) => {
-                    vec![SubValueRelation::SubValueUnknown; transform.inputs.len()]
-                }
-            };
-            entries.push(CallDescentEvidence {
-                call: transform.id,
-                caller: caller.name.clone(),
-                callee: callee_name_for_provenance(dag, target_decl, callee_template),
-                evidence,
-            });
-        }
-    }
-
-    entries
-}
-
-/// E-P typed CallPattern query over the per-call evidence authority.
-///
-/// This is the query surface named by the cost/complexity design docs. It
-/// deliberately projects from [`per_call_descent_evidence`] instead of walking
-/// call nodes independently, so producer broadening does not create a second
-/// callable-edge authority. This first bounded broadening slice adds the
-/// locally provable `PreservedValue -> SameArgumentCall` projection for
-/// self-calls that pass their argument through unchanged. Existing
-/// `SubValueRelation -> CallPattern` projections from `std.induction` remain
-/// preserved here; multi-argument composition and lowered/lens consumers
-/// remain separate E-P gates.
-pub fn per_call_pattern_at(dag: &Dag, call_site: NodeId) -> Option<CallPattern> {
-    per_call_pattern_and_descent_operand_index(dag, call_site).map(|(p, _)| p)
-}
-
-/// Same projection as [`per_call_pattern_at`], plus the evidence index (crate-internal).
-///
-/// Only [`per_call_descent_operand_port`] may publish substrate coupling to callers:
-/// it maps this index through [`TransformNode::inputs`] on the `Dag`. Keeping the
-/// index off the public API avoids consumers re-aligning evidence rows against a
-/// stale parallel port list (P2).
-fn per_call_pattern_and_descent_operand_index(
-    dag: &Dag,
-    call_site: NodeId,
-) -> Option<(CallPattern, usize)> {
-    let entry = per_call_descent_evidence(dag)
-        .into_iter()
-        .find(|entry| entry.call == call_site)?;
-    call_pattern_from_relations_with_index(&entry.evidence)
-}
-
-/// [`PortId`] for the [`TransformNode::inputs`] slot that carried the [`SubValueRelation`]
-/// selected by [`per_call_pattern_at`].
-///
-/// `call_site` must identify a [`Behavior::Transform`] in `dag`; input ports are read from that
-/// transform only (P2: no parallel list from the consumer that could desync from substrate).
-///
-/// **`SameArgumentCall`:** returns [`None`]. Preserved-value rows classify as same-argument for the
-/// [`CallPattern`] projection, but there is **no** arithmetic-descent witness — publishing an input
-/// index would fabricate a descent operand (P3).
-pub fn per_call_descent_operand_port(dag: &Dag, call_site: NodeId) -> Option<PortId> {
-    let (pattern, idx) = per_call_pattern_and_descent_operand_index(dag, call_site)?;
-    if matches!(pattern, CallPattern::SameArgumentCall) {
-        return None;
-    }
-    let transform = dag.node_opt(&call_site).and_then(Behavior::as_transform)?;
-    transform.inputs.get(idx).copied()
-}
-
-fn declaration_id_owning_bind_root(dag: &Dag, bind_node_id: NodeId) -> Option<DeclarationId> {
-    for decl in dag.declarations() {
-        let TypeConnective::Arrow {
-            body: ArrowBody::UserDefined(bind_id),
-            ..
-        } = &decl.connective
-        else {
-            continue;
-        };
-        if bind_id.node_id() == bind_node_id {
-            return Some(decl.id);
-        }
-    }
-    None
-}
-
-/// Collapses an accidental `ProductCost(Linear, Linear)` on **unary-parameter** binds when one
-/// factor keys off the formal parameter port and the other keys off the **descent operand port**
-/// for a **self-call** in this bind’s body — the same duplicate-induction artifact described in
-/// gate **#78** (`iterate` multiplies loop-bound `Linear(param)` with `pattern_to_iter_bound` on the
-/// descent wire; distinct `PortId`s, same chain).
-///
-/// **Does not** collapse `Linear(param) × Linear(other)` from descent-port coincidence alone:
-/// [`unary_bind_duplicate_iter_alias_evidence`] requires the same joint witness as `cost.dag`
-/// (`Loop.source` iteration carrier × per-call `combine_iterate`) — a **param-sourced** [`LoopNode`]
-/// whose **body** contains the self-call, and `other` is that call’s [`per_call_descent_operand_port`].
-///
-/// **Residual flow (why this exists):** `recursive_transform_cost` / `sum_costs_excluding_descent_operand`
-/// already prevent double-counting **within** the recursive call’s operand list. They do **not**
-/// merge the **outer** `LoopNode` bound (`linear_at(loop.source)`, usually the parameter port) with
-/// the **inner** `pattern_to_iter_bound` keyed on `per_call_descent_operand_port` (the call’s input
-/// port — a different `PortId` than the formal parameter). `iterate` in `algebra.dag` multiplies
-/// those two `LinearCost` shells structurally, yielding a binary `ProductCost` that overstates the
-/// asymptotic carrier until alias-aware folding exists in the algebra.
-///
-/// **Soundness scope (P2 / modeling-discipline Practice 5):** This pass does **not** read provenance
-/// bits inside [`SymbolicCost`] — it matches the **structural** coincidence `Product(Linear(param),
-/// Linear(descent))` at a unary bind **result** port (`bind_value_port == BindNode::value`) together
-/// with [`unary_bind_duplicate_iter_alias_evidence`] (joint self-call + descent operand port +
-/// param-sourced loop envelope). That aligns with the **only** lens emission path for this product
-/// shape in today’s `cost.dag` wiring for gate **#78** tail recursion (outer loop iterate × inner
-/// recurrence). A future producer that introduced an **independent** multiplicative
-/// `Linear(param) × Linear(other)` at the same port **without** that iterate-alias genesis would
-/// require narrowing this pass or dissolving it into `.dag` algebra per the ROADMAP trigger below.
-///
-/// **P5:** transitional host pass until dissolution — explicit ROADMAP row **“R3 gate #78 — unary-bind
-/// `SymbolicCost` iterate alias collapse post-pass”** (`ROADMAP.md`, Post-merge debt 2026-05-08).
-///
-/// **Bind resolution:** `bind_value_port` is the bind's **result** port (`entry_for` row port). The
-/// helper scans [`Dag::nodes`] for the [`BindNode`] with [`BindNode::value`] equal to that port; in
-/// the lowered substrate each port has a single producer, so at most one bind matches (same class of
-/// uniqueness as other port-keyed walks — not a name table keyed off parallel string lists).
-pub fn collapse_unary_bind_tail_iterate_linear_product_if_duplicate_induction(
-    dag: &Dag,
-    bind_value_port: PortId,
-    cost: SymbolicCost,
-) -> SymbolicCost {
-    let Some(bind) = dag
-        .nodes()
-        .iter()
-        .find_map(|node| Behavior::as_bind(node).filter(|bind| bind.value == bind_value_port))
-    else {
-        return cost;
-    };
-    if bind.params.len() != 1 {
-        return cost;
-    }
-    let param = bind.params[0];
-
-    let SymbolicCost::ProductCost { _0: terms } = &cost else {
-        return cost;
-    };
-    if !terms.rest.is_empty() {
-        return cost;
-    }
-
-    match (terms.first.as_ref(), terms.second.as_ref()) {
-        (SymbolicCost::LinearCost { _0: va }, SymbolicCost::LinearCost { _0: vb }) => {
-            let non_param_port = if va.source_port == param && vb.source_port != param {
-                vb.source_port
-            } else if vb.source_port == param && va.source_port != param {
-                va.source_port
-            } else {
-                return cost;
-            };
-            if !unary_bind_duplicate_iter_alias_evidence(dag, bind, param, non_param_port) {
-                return cost;
-            }
-            SymbolicCost::LinearCost {
-                _0: SizeVariable {
-                    source_port: param,
-                    display_name: None,
-                },
-            }
-        }
-        _ => cost,
-    }
-}
-
-// Tracked-bridge debt (R3 follow-up, T-Tier3-Dissolution):
-// the inlined match below is the last hand-Rust residue of the
-// `std.induction::sub_value_to_call_pattern` projection. The R3 gate
-// `tier3_induction_mirror_dissolved` retired the public mirror surface
-// (`sub_value_relation_to_call_pattern`) and the named private helper;
-// fully routing this lookup through `std/induction.dag` requires
-// `per_call_pattern_at` lens-emission to consume the .dag projection
-// directly (substrate-tier work tracked under T-E-P-Producer-Broadening).
-// Until that producer landing, the inlined match below is the bridge.
-fn call_pattern_from_relations_with_index(
-    relations: &[SubValueRelation],
-) -> Option<(CallPattern, usize)> {
-    let project = |relation: &SubValueRelation| -> Option<CallPattern> {
-        match relation {
-            SubValueRelation::ArithmeticDescent { param, factor } => match factor {
-                ShrinkFactor::ConstantShrink { steps } => {
-                    Some(CallPattern::ArithmeticSubtractCall {
-                        steps: steps.clone(),
-                        ring_param: param.clone(),
-                    })
-                }
-                ShrinkFactor::ProportionalShrink { divisor } => {
-                    Some(CallPattern::ArithmeticDivideCall {
-                        divisor: divisor.clone(),
-                        ring_param: param.clone(),
-                    })
-                }
-                ShrinkFactor::UnitShrink => Some(CallPattern::ArithmeticSubtractCall {
-                    steps: PositiveDescentAmount::OneStep,
-                    ring_param: param.clone(),
-                }),
-            },
-            SubValueRelation::StrictSubValue { field, .. }
-            | SubValueRelation::IteratedSubValue { field } => {
-                Some(CallPattern::ChildAccessorCall {
-                    accessor: field.field_name.clone(),
-                })
-            }
-            SubValueRelation::PreservedValue => Some(CallPattern::SameArgumentCall),
-            // Lawful non-structural inhabitants have no specific call pattern to project —
-            // same fail-closed posture as `SubValueUnknown` for downstream consumers; matches
-            // the dsl/std/induction.dag `sub_value_to_call_pattern` mapping for these arms.
-            SubValueRelation::NonIncreasingValue => None,
-            SubValueRelation::StrictAxisErased => None,
-            SubValueRelation::MixedTop => None,
-            SubValueRelation::SubValueUnknown => None,
-        }
-    };
-
-    for (i, relation) in relations.iter().enumerate() {
-        if matches!(relation, SubValueRelation::PreservedValue) {
-            continue;
-        }
-        if let Some(pattern) = project(relation) {
-            return Some((pattern, i));
-        }
-    }
-
-    if relations
-        .iter()
-        .any(|relation| matches!(relation, SubValueRelation::SubValueUnknown))
-    {
-        return None;
-    }
-
-    for (i, relation) in relations.iter().enumerate() {
-        if let Some(pattern) = project(relation) {
-            return Some((pattern, i));
-        }
-    }
-
-    None
-}
-
-fn declaration_body_bind<'a>(dag: &'a Dag, decl: &Declaration) -> Option<&'a BindNode> {
-    // Use the lowered structural authority: function declarations point at
-    // their owning body bind through `ArrowBody::UserDefined`.
-    let TypeConnective::Arrow {
-        body: ArrowBody::UserDefined(bind_id),
-        ..
-    } = &decl.connective
-    else {
-        return None;
-    };
-    Some((*bind_id).bind(dag))
-}
-
-/// Structural validation for authored `SectionRef::NodeScope` pairs: [`Dag::node_opt`] admits
-/// `subject`, and either `subject` is `fn_decl`'s lowered [`ArrowBody::UserDefined`] root bind node
-/// or it appears in that bind body's result subgraph (`collect_body_port` walk). Consumers must
-/// fail closed on payloads that weld unrelated declarations and raw indices — silent collapse into
-/// ordinary Lane‑2 observations is forbidden (`INVARIANTS.md` P2/P3).
-pub(crate) fn node_scope_subject_within_arrow_declaration(
-    dag: &Dag,
-    fn_decl: DeclarationId,
-    subject: NodeId,
-) -> bool {
-    if dag.node_opt(&subject).is_none() {
-        return false;
-    }
-    let Some(body_bind) = declaration_body_bind(dag, dag.declaration(fn_decl)) else {
-        return false;
-    };
-    subject == body_bind.id || bind_body_reachable_nodes(dag, body_bind).contains(&subject)
-}
-
-fn bind_body_transform_ids(dag: &Dag, bind: &BindNode) -> HashSet<NodeId> {
-    let mut transforms = HashSet::new();
-    let mut visited_ports = HashSet::new();
-    let mut visited_nodes = HashSet::new();
-    collect_body_port(
-        dag,
-        bind.value,
-        &mut visited_ports,
-        &mut visited_nodes,
-        true,
-        &mut transforms,
-    );
-    transforms
-}
-
-fn bind_body_reachable_nodes(dag: &Dag, bind: &BindNode) -> HashSet<NodeId> {
-    let mut transforms = HashSet::new();
-    let mut visited_ports = HashSet::new();
-    let mut visited_nodes = HashSet::new();
-    collect_body_port(
-        dag,
-        bind.value,
-        &mut visited_ports,
-        &mut visited_nodes,
-        false,
-        &mut transforms,
-    );
-    visited_nodes
-}
-
-/// True when `call_site` lies in the subgraph rooted at [`LoopNode::body`] for some [`LoopNode`]
-/// in `bind`'s body whose [`LoopNode::source`] is the unary formal `param`.
-///
-/// This is the spatial half of the gate **#78** duplicate-induction witness: `cost.dag` composes
-/// `loop_cost` (`Linear(loop.source)`) with `combine_iterate` only along this lowered shape — so we
-/// must not collapse param×descent products arising from unrelated linear work outside that loop
-/// envelope.
-fn self_call_under_param_bound_loop(
-    dag: &Dag,
-    bind: &BindNode,
-    param: PortId,
-    call_site: NodeId,
-) -> bool {
-    for node_id in bind_body_reachable_nodes(dag, bind) {
-        let Some(Behavior::Loop(loop_node)) = dag.node_opt(&node_id) else {
-            continue;
-        };
-        if loop_node.source != param {
-            continue;
-        }
-        let mut transforms = HashSet::new();
-        let mut visited_ports = HashSet::new();
-        let mut visited_nodes = HashSet::new();
-        collect_body_node(
-            dag,
-            loop_node.body,
-            &mut visited_ports,
-            &mut visited_nodes,
-            false,
-            &mut transforms,
-        );
-        if visited_nodes.contains(&call_site) {
-            return true;
-        }
-    }
-    false
-}
-
-/// Joint structural witness for gate **#78** iterate-alias collapse: same owning declaration
-/// self-call as [`per_call_descent_evidence`], `other_port` as [`per_call_descent_operand_port`], and
-/// that call appears under a param-sourced loop body (links [`LoopNode::source`] with per-call
-/// recurrence wiring — not descent-port coincidence alone). This is **not** "any self-call
-/// anywhere": [`bind_body_transform_ids`] limits candidates to transforms in the bind body, and
-/// [`self_call_under_param_bound_loop`] requires the call site to sit under a `Loop` whose
-/// `source` is the unary `param`, matching the `loop_cost` × `combine_iterate` join that produced
-/// the spurious `ProductCost` in the first place.
-fn unary_bind_duplicate_iter_alias_evidence(
-    dag: &Dag,
-    bind: &BindNode,
-    param: PortId,
-    other_port: PortId,
-) -> bool {
-    let Some(owning_decl) = declaration_id_owning_bind_root(dag, bind.id) else {
-        return false;
-    };
-    let caller_template = callable_target_template_for_provenance(dag, owning_decl);
-    let CallableProvenance::Resolved(caller_tpl) = caller_template else {
-        return false;
-    };
-
-    for call_site in bind_body_transform_ids(dag, bind) {
-        let Some(transform) = dag.node_opt(&call_site).and_then(Behavior::as_transform) else {
-            continue;
-        };
-        let TransformTarget::Callable(target_decl) = transform.target else {
-            continue;
-        };
-        let callee_template = callable_target_template_for_provenance(dag, target_decl);
-        let CallableProvenance::Resolved(callee_tpl) = callee_template else {
-            continue;
-        };
-        if caller_tpl != callee_tpl {
-            continue;
-        }
-        if per_call_descent_operand_port(dag, call_site) != Some(other_port) {
-            continue;
-        }
-        if self_call_under_param_bound_loop(dag, bind, param, call_site) {
-            return true;
-        }
-    }
-    false
-}
-
-fn collect_body_port(
-    dag: &Dag,
-    port: PortId,
-    visited_ports: &mut HashSet<PortId>,
-    visited_nodes: &mut HashSet<NodeId>,
-    record_transform_ids: bool,
-    transform_ids: &mut HashSet<NodeId>,
-) {
-    if !visited_ports.insert(port) {
-        return;
-    }
-    let Some(producer) = dag.port_opt(&port).and_then(|p| p.produced_by) else {
-        return;
-    };
-    collect_body_node(
-        dag,
-        producer,
-        visited_ports,
-        visited_nodes,
-        record_transform_ids,
-        transform_ids,
-    );
-}
-
-fn collect_body_node(
-    dag: &Dag,
-    node: NodeId,
-    visited_ports: &mut HashSet<PortId>,
-    visited_nodes: &mut HashSet<NodeId>,
-    record_transform_ids: bool,
-    transform_ids: &mut HashSet<NodeId>,
-) {
-    if !visited_nodes.insert(node) {
-        return;
-    }
-    let Some(behavior) = dag.node_opt(&node) else {
-        return;
-    };
-    match behavior {
-        Behavior::Value(_) => {}
-        Behavior::Transform(transform) => {
-            if record_transform_ids {
-                transform_ids.insert(transform.id);
-            }
-            for input in &transform.inputs {
-                collect_body_port(
-                    dag,
-                    *input,
-                    visited_ports,
-                    visited_nodes,
-                    record_transform_ids,
-                    transform_ids,
-                );
-            }
-        }
-        Behavior::Branch(branch) => {
-            collect_body_port(
-                dag,
-                branch.input,
-                visited_ports,
-                visited_nodes,
-                record_transform_ids,
-                transform_ids,
-            );
-            for path in &branch.paths {
-                collect_body_node(
-                    dag,
-                    path.body,
-                    visited_ports,
-                    visited_nodes,
-                    record_transform_ids,
-                    transform_ids,
-                );
-                collect_body_port(
-                    dag,
-                    path.output,
-                    visited_ports,
-                    visited_nodes,
-                    record_transform_ids,
-                    transform_ids,
-                );
-            }
-        }
-        Behavior::Loop(loop_node) => {
-            collect_body_port(
-                dag,
-                loop_node.source,
-                visited_ports,
-                visited_nodes,
-                record_transform_ids,
-                transform_ids,
-            );
-            collect_body_port(
-                dag,
-                loop_node.init,
-                visited_ports,
-                visited_nodes,
-                record_transform_ids,
-                transform_ids,
-            );
-            if let Some(count) = loop_node.bound.count_port() {
-                collect_body_port(
-                    dag,
-                    count,
-                    visited_ports,
-                    visited_nodes,
-                    record_transform_ids,
-                    transform_ids,
-                );
-            }
-            collect_body_node(
-                dag,
-                loop_node.body,
-                visited_ports,
-                visited_nodes,
-                record_transform_ids,
-                transform_ids,
-            );
-        }
-        Behavior::Bind(inner) => {
-            // Local value binds are part of the current body graph. Function binds
-            // own a separate `ArrowBody::UserDefined` body and are scanned through
-            // their declaration, not through an enclosing span/body walk.
-            if inner.params.is_empty() {
-                collect_body_port(
-                    dag,
-                    inner.value,
-                    visited_ports,
-                    visited_nodes,
-                    record_transform_ids,
-                    transform_ids,
-                );
-            }
-        }
-    }
-}
-
-/// 🟢 TERMINAL private proof-state.
-///
-/// Local E-P producer state: either callable template provenance was resolved
-/// to a declaration, or it was not. This is not a substrate carrier; it keeps
-/// the bounded instantiation peel fail-closed before emitting side-table facts.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum CallableProvenance {
-    Resolved(DeclarationId),
-    Unresolved,
-}
-
-const CALLABLE_PROVENANCE_TEMPLATE_DEPTH_LIMIT: usize = 16;
-
-fn callable_target_template_for_provenance(
-    dag: &Dag,
-    mut decl: DeclarationId,
-) -> CallableProvenance {
-    // Bounded peel over materialized instantiations. Hitting the cap means the
-    // producer cannot prove self-vs-non-self provenance, so callers emit
-    // `SubValueUnknown` rather than silently dropping the call edge.
-    for _ in 0..CALLABLE_PROVENANCE_TEMPLATE_DEPTH_LIMIT {
-        match &dag.declaration(decl).connective {
-            TypeConnective::Instantiation { template, .. } => decl = *template,
-            _ => return CallableProvenance::Resolved(decl),
-        }
-    }
-    CallableProvenance::Unresolved
-}
-
-fn callee_name_for_provenance(
-    dag: &Dag,
-    target: DeclarationId,
-    provenance: CallableProvenance,
-) -> String {
-    let label = match provenance {
-        CallableProvenance::Resolved(template) => template,
-        CallableProvenance::Unresolved => target,
-    };
-    dag.declaration(label)
-        .name
-        .clone()
-        .unwrap_or_else(|| format!("decl#{}", label.raw()))
-}
-
-fn classify_call_argument(
-    dag: &Dag,
-    caller: &BindNode,
-    idx: usize,
-    arg: PortId,
-) -> SubValueRelation {
-    let Some(param) = caller.params.get(idx).copied() else {
-        return SubValueRelation::SubValueUnknown;
-    };
-
-    if arg == param {
-        return SubValueRelation::PreservedValue;
-    }
-
-    if let Some(relation) = arithmetic_descent_relation(dag, idx, param, arg) {
-        return relation;
-    }
-
-    if let Some(relation) = match_payload_descent_relation(dag, param, arg) {
-        return relation;
-    }
-
-    if let Some(relation) = match_payload_field_projection_descent_relation(dag, param, arg) {
-        return relation;
-    }
-
-    SubValueRelation::SubValueUnknown
-}
-
-/// Phase-1 broadening: classify recursive-call arguments that name a match-arm
-/// payload binding whose scrutinee is the caller's parameter directly. The
-/// surface shape this catches is the canonical positional cons-tail recursion:
-///
-/// ```ignore
-/// type List = Nil | Cons(List)
-/// fn length(xs: List) -> Int = match xs { Cons(tail) => length(tail), Nil => 0 }
-/// ```
-///
-/// The `tail` argument port equals the `Path.binding.payload_port` of a path
-/// whose enclosing `BranchNode.input` is the parameter port. Field-projection
-/// patterns (`Cons { tail }`) and transitive scrutinee tracing (scrutinee
-/// reached through identity-ish nodes) are deferred to later slices — same
-/// fail-closed discipline as the existing arithmetic slice (left-operand only,
-/// integer literal only) keeps producer broadening incrementally provable.
-///
-/// **Substrate-fact discipline.** `InductiveField` is consumer-facing
-/// substrate provenance (cost / complexity lenses project this through
-/// `std.induction::sub_value_to_call_pattern → ChildAccessorCall`;
-/// the hand-Rust mirror has dissolved per gate `tier3_induction_mirror_dissolved`).
-/// The producer therefore derives every field from authoritative DAG state:
-/// - `type_name` / `variant_name` from the parent-Disj lookup of the variant
-///   declaration the post-infer `resolve_branch_patterns` pass installed on
-///   the path (`crate::infer::resolve_branch_patterns` — `BranchPattern::ResolvedVariant`).
-/// - `field_name` from the variant `Conj`'s sole `_0` positional field
-///   label, **not** from the user-chosen pattern binding name. The binding
-///   name is a user-scope identifier (`Cons(tail) => length(tail)` and
-///   `Cons(t) => length(t)` are structurally identical descents); using it
-///   would publish an unstable accessor as substrate provenance.
-/// - `element_type` from the resolved name of the variant's payload type.
-///
-/// When any of those facts is unavailable — `UnresolvedVariant`, parent-Disj
-/// lookup miss, multi-field variant Conj on a positional pattern, anonymous
-/// payload type — the producer fails closed (`SubValueUnknown` upstream).
-fn match_payload_descent_relation(
-    dag: &Dag,
-    param: PortId,
-    arg: PortId,
-) -> Option<SubValueRelation> {
-    for branch in dag.nodes().iter().filter_map(Behavior::as_branch) {
-        if !scrutinee_traces_to_param(dag, branch.input, param) {
-            continue;
-        }
-        for path in &branch.paths {
-            let Some(binding) = &path.binding else {
-                continue;
-            };
-            if binding.payload_port != arg {
-                continue;
-            }
-            let facts = variant_structural_facts(dag, &path.pattern)?;
-            // Positional payload (`VariantWith`): variant Conj has exactly
-            // one `_0`-style field. Multi-field variants are
-            // `VariantFields` lowering territory (record-payload slice) and
-            // are outside this helper's positional-payload contract.
-            let [(field_name, payload_ty)] = facts.payload_fields.as_slice() else {
-                return None;
-            };
-            let element_type = named_type_name(dag, *payload_ty)?;
-            return Some(SubValueRelation::StrictSubValue {
-                field: InductiveField {
-                    type_name: facts.type_name,
-                    variant_name: facts.variant_name,
-                    field_name: field_name.clone(),
-                    shape: RecursionShape::DirectRecursion,
-                    element_type,
-                },
-                factor: ShrinkFactor::UnitShrink,
-            });
-        }
-    }
-    None
-}
-
-/// Phase-1 broadening Slice 2: classify recursive-call arguments produced by
-/// a single `FieldProject` transform whose input is the payload port of a
-/// match arm whose scrutinee is the parameter directly. This is the
-/// record-payload sibling of [`match_payload_descent_relation`]'s
-/// positional-payload case.
-///
-/// Surface shape:
-///
-/// ```ignore
-/// type EpRec = EpLeaf | EpNode { left: EpRec }
-/// fn ep_depth(t: EpRec) -> Int =
-///   match t { EpNode { left: l } => ep_depth(l), EpLeaf => 0 }
-/// ```
-///
-/// `lower.rs` lowers `EpNode { left: l }` by allocating a payload binding
-/// and synthesizing a `FieldProject { field_label: "left", .. }` transform
-/// whose input is the payload port (see `lower_field_projection_from_port`).
-/// The recursive call's argument is therefore the projection's output port,
-/// not the payload port itself — Slice 1's direct-equality check misses it.
-///
-/// Same fail-closed discipline + structural-fact derivation as Slice 1.
-/// `field_name` here is the `FieldProject.field_label` — already structural,
-/// established by the lowering, NOT a user-pattern-binding name. The label
-/// must also appear in the variant's `Conj` children (validation; if not, the
-/// projection isn't on this variant's payload). Cross-slice invariants
-/// preserved: no new `CallPattern` variant, no `TransformNode` widening,
-/// fail-closed discipline.
-fn match_payload_field_projection_descent_relation(
-    dag: &Dag,
-    param: PortId,
-    arg: PortId,
-) -> Option<SubValueRelation> {
-    let Behavior::Transform(transform) = dag.resolve_producer_opt(&arg)? else {
-        return None;
-    };
-    if transform.inputs.len() != 1 {
-        return None;
-    }
-    let projected_input = transform.inputs[0];
-
-    for branch in dag.nodes().iter().filter_map(Behavior::as_branch) {
-        if !scrutinee_traces_to_param(dag, branch.input, param) {
-            continue;
-        }
-        for path in &branch.paths {
-            let Some(binding) = &path.binding else {
-                continue;
-            };
-            if binding.payload_port != projected_input {
-                continue;
-            }
-            let facts = variant_structural_facts(dag, &path.pattern)?;
-            let (field_name, payload_ty) = match &transform.target {
-                TransformTarget::UnresolvedFieldProject { field_label } => facts
-                    .payload_fields
-                    .iter()
-                    .find(|(label, _)| label == field_label)
-                    .map(|(label, ty)| (label.clone(), *ty))?,
-                TransformTarget::ResolvedFieldProject { field_label } => facts
-                    .payload_fields
-                    .iter()
-                    .find(|(label, _)| label == field_label)
-                    .map(|(label, ty)| (label.clone(), *ty))?,
-                _ => return None,
-            };
-            let element_type = named_type_name(dag, payload_ty)?;
-            return Some(SubValueRelation::StrictSubValue {
-                field: InductiveField {
-                    type_name: facts.type_name,
-                    variant_name: facts.variant_name,
-                    field_name,
-                    shape: RecursionShape::DirectRecursion,
-                    element_type,
-                },
-                factor: ShrinkFactor::UnitShrink,
-            });
-        }
-    }
-    None
-}
-
-/// Phase-1 broadening Slice 3: bounded transitive trace from a match
-/// scrutinee back to the caller's parameter port through nested-match
-/// payload-binding chains.
-///
-/// Surface shape this enables (sibling of Slices 1 + 2; the recursive call
-/// is two structural peels away from the parameter):
-///
-/// ```ignore
-/// type EpListN = EpNilN | EpConsN(EpListN)
-/// fn ep_count2(xs: EpListN) -> Int =
-///   match xs {
-///     EpConsN(t1) => match t1 {
-///       EpConsN(t2) => ep_count2(t2),  // arg traces param via nested match
-///       EpNilN => 0
-///     },
-///     EpNilN => 0
-///   }
-/// ```
-///
-/// The inner `Branch.input` is `t1` — a payload binding from the outer
-/// match — not the parameter. Slices 1 / 2's direct
-/// `branch.input == param` check rejects this; the tracer walks one or more
-/// payload-binding levels to confirm structural descent before classifying.
-///
-/// The trace is bounded by a fixed depth (`SCRUTINEE_TRACE_DEPTH_LIMIT`)
-/// for the same reason `callable_target_template_for_provenance` bounds its
-/// instantiation peel: hitting the cap means the producer can no longer
-/// prove the structural relation, so the caller fails closed
-/// (`SubValueUnknown` upstream). `StrictSubValue` is sound at any positive
-/// depth — every level peels one constructor — so the helper does not
-/// distinguish depth in its boolean answer.
-const SCRUTINEE_TRACE_DEPTH_LIMIT: usize = 16;
-
-fn scrutinee_traces_to_param(dag: &Dag, scrutinee: PortId, param: PortId) -> bool {
-    let mut current = scrutinee;
-    for _ in 0..SCRUTINEE_TRACE_DEPTH_LIMIT {
-        if current == param {
-            return true;
-        }
-        // Walk one FieldProject indirection: record-payload variant patterns
-        // (`EpNodeN { left: a }`) bind the user-scope name to the OUTPUT
-        // port of a synthesized FieldProject whose input is the match arm's
-        // payload port (see `lower_field_projection_from_port`). When such
-        // a binding is itself an inner-match scrutinee, the tracer must
-        // peel the projection before climbing payload-binding chains.
-        if let Some(proj_input) = field_project_input_for_port(dag, current) {
-            current = proj_input;
-            continue;
-        }
-        if let Some(parent_input) = enclosing_branch_input_for_payload(dag, current) {
-            current = parent_input;
-            continue;
-        }
-        return false;
-    }
-    false
-}
-
-/// If `port` is the output of a single-input `FieldProject` transform,
-/// return the projected-from input port. Used by [`scrutinee_traces_to_param`]
-/// to walk past variant-record-pattern FieldProject indirections.
-fn field_project_input_for_port(dag: &Dag, port: PortId) -> Option<PortId> {
-    let Behavior::Transform(transform) = dag.resolve_producer_opt(&port)? else {
-        return None;
-    };
-    let (TransformTarget::UnresolvedFieldProject { .. }
-    | TransformTarget::ResolvedFieldProject { .. }) = &transform.target
-    else {
-        return None;
-    };
-    if transform.inputs.len() != 1 {
-        return None;
-    }
-    Some(transform.inputs[0])
-}
-
-/// If `port` is the payload binding port of some `Path`, return the
-/// enclosing `BranchNode.input`. Used by [`scrutinee_traces_to_param`] to
-/// climb one nested-match level. `None` indicates the chain bottoms out
-/// (port isn't a payload binding) — the tracer's fail-closed signal.
-fn enclosing_branch_input_for_payload(dag: &Dag, port: PortId) -> Option<PortId> {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_branch)
-        .find_map(|b| {
-            b.paths.iter().find_map(|p| {
-                let binding = p.binding.as_ref()?;
-                if binding.payload_port == port {
-                    Some(b.input)
-                } else {
-                    None
-                }
-            })
-        })
-}
-
-/// Authoritative variant-structural facts derived from a resolved variant
-/// declaration. Returns `None` for `UnresolvedVariant` and for `ResolvedVariant`
-/// whose parent `Disj` cannot be located by scanning declarations — same
-/// fail-closed discipline as the rest of the per-call producer.
-struct VariantStructuralFacts {
-    type_name: String,
-    variant_name: String,
-    payload_fields: Vec<(String, DeclarationId)>,
-}
-
-fn variant_structural_facts(dag: &Dag, pattern: &BranchPattern) -> Option<VariantStructuralFacts> {
-    let variant_decl_id = match pattern {
-        BranchPattern::ResolvedVariant(id) => *id,
-        BranchPattern::UnresolvedVariant { .. } => return None,
-    };
-    let (parent_decl, variants) = dag.declarations().iter().find_map(|decl| {
-        if let TypeConnective::Disj { variants } = &decl.connective {
-            if variants.iter().any(|f| f.ty == variant_decl_id) {
-                return Some((decl, variants));
-            }
-        }
-        None
-    })?;
-    let type_name = parent_decl.name.clone()?;
-    let variant_name = variants
-        .iter()
-        .find(|f| f.ty == variant_decl_id)
-        .map(|f| f.label.clone())?;
-    let payload_fields = match &dag.declaration(variant_decl_id).connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .map(|f| (f.label.clone(), f.ty))
-            .collect::<Vec<_>>(),
-        _ => return None,
-    };
-    Some(VariantStructuralFacts {
-        type_name,
-        variant_name,
-        payload_fields,
-    })
-}
-
-/// Walk a declaration through `Instantiation` / structural-alias edges to a
-/// named declaration. Returns `None` when the chain bottoms out without a name
-/// (anonymous template fields, unresolved atoms, depth-limit hit).
-fn named_type_name(dag: &Dag, mut current: DeclarationId) -> Option<String> {
-    for _ in 0..CALLABLE_PROVENANCE_TEMPLATE_DEPTH_LIMIT {
-        let decl = dag.declaration(current);
-        if let Some(name) = &decl.name {
-            return Some(name.clone());
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            _ => return None,
-        }
-    }
-    None
-}
-
-fn arithmetic_descent_relation(
-    dag: &Dag,
-    idx: usize,
-    param: PortId,
-    arg: PortId,
-) -> Option<SubValueRelation> {
-    let Behavior::Transform(transform) = dag.resolve_producer_opt(&arg)? else {
-        return None;
-    };
-    let TransformTarget::Operator(OperatorKind::Arithmetic(op)) = transform.target else {
-        return None;
-    };
-    // First E-P slice recognizes the same left-operand convention as the v3
-    // recursive termination gate: `param - k` and `param / k`, not `k - param`.
-    if transform.inputs.len() != 2 || transform.inputs[0] != param {
-        return None;
-    }
-    let literal = literal_int_at(dag, transform.inputs[1])?;
-    let factor = match op {
-        ArithmeticOp::Sub => ShrinkFactor::ConstantShrink {
-            steps: positive_amount_from_i64(literal)?,
-        },
-        ArithmeticOp::Div => ShrinkFactor::ProportionalShrink {
-            divisor: proportional_divisor_from_i64(literal)?,
-        },
-        ArithmeticOp::Add | ArithmeticOp::Mul => return None,
-    };
-    Some(SubValueRelation::ArithmeticDescent {
-        param: ordinal_param_label(idx),
-        factor,
-    })
-}
-
-fn literal_int_at(dag: &Dag, port: PortId) -> Option<i64> {
-    let s = match dag.resolve_producer_opt(&port)? {
-        Behavior::Value(value) => match &value.data {
-            LiteralBits::Int(s) => s.as_str(),
-            _ => return None,
-        },
-        _ => return None,
-    };
-    s.parse().ok()
-}
-
-/// 🟡 SCAFFOLD. `BindNode` currently carries parameter ports but not parameter
-/// names, so the side table uses stable ordinal labels. Dissolves when E-P can
-/// read reflected parameter names or when `SubValueRelation::ArithmeticDescent`
-/// carries a structural `ParamRef`.
-fn ordinal_param_label(idx: usize) -> String {
-    format!("param_{idx}")
-}
-
-#[derive(Debug, Clone)]
-pub struct ValueNode {
-    pub id: NodeId,
-    pub data: LiteralBits,
-    pub output: PortId,
-    pub span: SourceSpan,
-    /// Lane 2 Stage 2b: idempotency projection for this node.
-    ///
-    /// **Single authority:** the workflow fact lives only in this field (and the
-    /// analogous field on [`BindNode`]). There is no separate `Dag`-level map.
-    /// Reflected `ValueNode` / `BindNode` in `src/v3/std/substrate.dag` and
-    /// [`Dag::lane2_workflow_effect_at`] are read-only projections of the same
-    /// storage. The sole mutating constructor for tests/staging is
-    /// [`Dag::try_register_lane2_workflow_effect`]; lowering fills this field when
-    /// it exists. [`crate::analyze_workflow`] reads through
-    /// [`Dag::lane2_workflow_effect_at`].
-    pub(crate) lane2_workflow: Option<Box<WorkflowEffect>>,
-}
-
-impl ValueNode {
-    pub fn result_port(&self) -> PortId {
-        self.output
-    }
-
-    /// Reflected substrate optional `WorkflowEffect?`: unboxes staged storage so
-    /// Rust realization does not surface `Option<Box<WorkflowEffect>>` at the
-    /// reflection boundary (`rust.dag` uses `AccessorMethod("lane2_workflow")`).
-    pub fn lane2_workflow(&self) -> Option<&WorkflowEffect> {
-        self.lane2_workflow.as_deref()
-    }
-}
-
-/// Dispatch target of a `TransformNode`. Structural coproduct that
-/// replaces the old single `target: DeclarationId` field.
-///
-/// **🟡 Mixed-lifecycle coproduct — M1(2.7).** `Callable` is
-/// terminal (the long-term shape for all user function calls and
-/// resolved named declarations). `Operator` is a **scaffold**
-/// with a named dissolution trigger: the M2+ parser / desugarer
-/// replaces `SurfaceExpr::Operator` with direct algebra-field
-/// `Call`s, and this variant disappears back into
-/// `Callable(DeclarationId)`. Terminal form is 1 variant.
-///
-/// **Dissolution receipt — Q3 + R9 operator dispatch.** Before
-/// M1(2.7) the target was always a `DeclarationId` and primitive
-/// operators were represented by an anonymous declaration whose
-/// connective was `Atom(UnresolvedIdentifier("+"))`. Infer.rs then
-/// string-matched the identifier payload to decide operator vs
-/// callable. The string was the discriminator for a phase/job
-/// coproduct hiding inside `UnresolvedIdentifier`. M1(2.7) split
-/// the discriminator onto the `TransformTarget` variant itself,
-/// and the operator walk in `infer::resolve_operator_arrow` reads
-/// the operator's signature from the actual
-/// `std/algebra.dag` field (e.g., `OrderedRing.add`) — the Rust
-/// `OperatorKind` enum is only a lookup key, not a parallel
-/// authority.
-///
-/// 4-pattern check on (Callable, FieldProject, Operator):
-/// - Pattern 1 (fact placement): fails. Callable dispatches via
-///   the declaration's Arrow body; unresolved FieldProject dispatches
-///   via the input port's resolved Conj + field label; Operator
-///   dispatches via the operand type's algebra walk.
-/// - Pattern 2 (variant-is-data): fails. Callable carries a
-///   DeclarationId; resolved FieldProject carries the projected field
-///   label resolved against the parent Conj; Operator carries an
-///   OperatorKind.
-/// - Pattern 3 (algebraic form): fails.
-/// - Pattern 4 (dimensional): fails.
-///
-/// Verdict: mixed lifecycle. `Callable` and `ResolvedFieldProject`
-/// are terminal; `UnresolvedFieldProject` is pre-infer only.
-/// `Operator` is 🟡 scaffold with an explicit M2+ dissolution
-/// trigger (surface grammar adoption of direct algebra field
-/// access or a parse-time desugaring pass).
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum TransformTarget {
-    /// A user function or resolved declaration. Inference walks the
-    /// referenced declaration's `Arrow` connective via `resolve_arrow`.
-    Callable(DeclarationId),
-    /// Pre-infer structural projection on a Conj-typed parent value.
-    /// Inference is the only authority allowed to turn this label into
-    /// a projected child declaration.
-    UnresolvedFieldProject { field_label: String },
-    /// Post-infer structural projection. The field label is the single
-    /// authority; inference and emit resolve it against the parent Conj
-    /// so duplicate-typed fields cannot collapse to the same child id.
-    ResolvedFieldProject { field_label: String },
-    /// A primitive binary operator. Inference dispatches on the
-    /// `OperatorKind` variant directly: arithmetic returns the operand
-    /// type, comparison returns Bool, and logical is Bool-monomorphic.
-    /// No declaration is allocated.
-    Operator(OperatorKind),
-}
-
-#[derive(Debug, Clone)]
-pub struct TransformNode {
-    pub id: NodeId,
-    /// The dispatch target of this transform. Either a user function /
-    /// resolved declaration (`Callable(DeclarationId)`) or a primitive
-    /// operator (`Operator(OperatorKind)`). Discriminated structurally,
-    /// not by a string payload. See `TransformTarget`.
-    pub target: TransformTarget,
-    pub inputs: Vec<PortId>,
-    pub output: PortId,
-    pub span: SourceSpan,
-}
-
-impl TransformNode {
-    pub fn result_port(&self) -> PortId {
-        self.output
-    }
-}
-
-/// B4.3 — authority at lowering: user `match` Branch nodes, not `if` on Bool.
-/// See [`BranchEmitParticipation`] and `INVARIANTS.md` P2 (no `span.file` as contract).
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-pub enum BranchEmitParticipation {
-    UserMatch,
-}
-
-#[derive(Debug, Clone)]
-pub struct BranchNode {
-    pub id: NodeId,
-    pub input: PortId,
-    pub paths: Vec<Path>,
-    pub output: PortId,
-    pub span: SourceSpan,
-    /// B4.3: `Some(UserMatch)` iff lowered from a surface `match` (not `if`).
-    pub(crate) emit_participation: Option<BranchEmitParticipation>,
-}
-
-impl BranchNode {
-    pub fn result_port(&self) -> PortId {
-        self.output
-    }
-
-    pub fn emit_participation(&self) -> Option<BranchEmitParticipation> {
-        self.emit_participation
-    }
-}
-
-// Branch-pattern/path mirrors are generated from `std/substrate.dag`.
-// The host keeps only the `Path.output` field rename plus impl behavior below.
-include!("dag_branch_generated.rs");
-
-impl Path {
-    pub fn result_port(&self) -> PortId {
-        self.output
-    }
-}
-
-// ParamRef / TransformRef / ElementRef / BoolPortRef /
-// NonEmptyList / NonSingletonList live in `dag/ports.rs`. See
-// re-exports at the top of this module.
-
-// The `std.effects` mirror (DB-18 / Lane 2 Stage 2b) lives in
-// `dag/effects.rs`. See re-exports at the top of this module.
-
-// ── end std.effects mirror (DB-18) ───────────────────────────────────
-// Cluster / loop-bound carriers below are Track 9 mutual-recursion
-// witnesses — not part of the Lane 2 Stage 2b effects algebra.
-
-// Cluster/loop-bound mirrors are generated from `std/substrate.dag`;
-// keep only host helper behavior in Rust.
-include!("dag_cluster_generated.rs");
-
-impl LoopBound {
-    pub fn count_port(&self) -> Option<PortId> {
-        match self {
-            Self::Cardinality { count } => Some(*count),
-            Self::Descent { .. } => None,
-        }
-    }
-}
-
-include!("dag_lookup_generated.rs");
-
-include!("dag_cost_generated.rs");
-
-#[derive(Debug, Clone)]
-pub struct LoopNode {
-    pub id: NodeId,
-    pub source: PortId,
-    pub init: PortId,
-    pub body: NodeId,
-    pub bound: LoopBound,
-    pub output: PortId,
-    pub span: SourceSpan,
-}
-
-impl LoopNode {
-    pub fn result_port(&self) -> PortId {
-        self.output
-    }
-}
-
-/// B4.3 — authority at lowering: user `fn` and lambda `Arrow` body binds; not
-/// refinement predicates, `let`, or builder-only Binds. See
-/// `primitive_type_id_for_port_shared` and `INVARIANTS.md` P2.
-#[derive(Debug, Copy, Clone, PartialEq, Eq, Hash)]
-pub enum BindEmitParticipation {
-    UserCallable,
-}
-
-#[derive(Debug, Clone)]
-pub struct BindNode {
-    pub id: NodeId,
-    pub name: String,
-    pub value: PortId,
-    /// Parameter ports for function bindings. Empty for value bindings. A
-    /// non-empty `params` is the structural distinction between a function
-    /// definition and a value definition — no Optional marker, no coproduct,
-    /// no type tag. See the C2 dissolution receipt at the top of this file.
-    pub params: Vec<PortId>,
-    pub span: SourceSpan,
-    /// Lane 2 Stage 2b: idempotency projection for this bind — same authority as
-    /// [`ValueNode::lane2_workflow`] (see that comment: one native field, reflected
-    /// substrate + `lane2_workflow_effect_at`, writers via
-    /// [`Dag::try_register_lane2_workflow_effect`] or lowering).
-    pub(crate) lane2_workflow: Option<Box<WorkflowEffect>>,
-    /// B4.3: set for user `fn` / lambda bodies that participate in named-type-alias
-    /// emission; `None` for refinement, `let`, and synthetic Binds. Same visibility
-    /// contract as [`Self::lane2_workflow`]: crate-private storage; reads go through
-    /// [`Self::emit_participation`].
-    pub(crate) emit_participation: Option<BindEmitParticipation>,
-}
-
-impl BindNode {
-    /// Structural alias for `self.value`. `std/substrate.dag` names this
-    /// field `result_port` across all behavior variants; the Rust struct
-    /// kept the historical name `value` for BindNode only. `.dag`-generated
-    /// lenses read `bind.result_port` (see `lenses/complexity.dag` Bind
-    /// branch); hand-written Rust reads `bind.value` (see
-    /// `tests/m2_lens_cost_migration_test.rs`). This method is the single
-    /// point of agreement between the two.
-    pub fn result_port(&self) -> PortId {
-        self.value
-    }
-
-    /// Reflected substrate optional `WorkflowEffect?` — same contract as
-    /// [`ValueNode::lane2_workflow`].
-    pub fn lane2_workflow(&self) -> Option<&WorkflowEffect> {
-        self.lane2_workflow.as_deref()
-    }
-
-    /// B4.3 emit authority: `Some(UserCallable)` iff this bind participates in the
-    /// named-type-alias emission path. Reflected in `src/v3/std/substrate.dag`;
-    /// writers are lowering / inference / `dag::builder` only.
-    pub fn emit_participation(&self) -> Option<BindEmitParticipation> {
-        self.emit_participation
-    }
-}
-
-// Checkpoint C1.
-//
-// Five L1 behaviors from docs/v3-spec.md lines 22-218. The thesis claim is that
-// these are terminal — the irreducible decomposition of computation. M0
-// validated the claim; M1(2.5) did not add a 6th variant.
-//
-// Dissolution-patterns check (all four attempted at M0.1, preserved at M1(2.5)):
-//
-//   - Pattern 1 (fact placement): fails. Every consumer dispatches on behavior
-//     first — cost adds for sequence, multiplies for Loop, maxes for Branch.
-//   - Pattern 2 (variant-is-data): fails. Value has `data`, Transform has
-//     `inputs + target`, Branch has `paths`, Loop has `bound + source + init +
-//     body`, Bind has `value + params`. Structurally different, not one shape
-//     with a tag.
-//   - Pattern 3 (algebraic-form): confirms terminality.
-//       Value    = Terminal intro
-//       Transform= morphism application (Apply(DeclarationId))
-//       Branch   = Coproduct elim
-//       Loop     = well-founded recursion
-//       Bind     = let-abstraction (with params for function defs)
-//   - Pattern 4 (dimensional): fails. No common M-dim coordinate space generates
-//     all five.
-//
-// STOP SIGNAL: wanting a 6th variant. Pause and escalate rather than silently
-// extending.
-#[derive(Debug, Clone)]
-pub enum Behavior {
-    Value(ValueNode),
-    Transform(TransformNode),
-    Branch(BranchNode),
-    Loop(LoopNode),
-    Bind(BindNode),
-}
-
-/// Workflow-root identification — Rust mirror of
-/// [`crate::dag::WorkflowRoot`]'s declaration in
-/// `src/v3/std/substrate.dag`.
-///
-/// 🟡 SCAFFOLD coproduct (mirroring the .dag receipt). The three arms
-/// partition every legitimate `Dag` exactly once:
-///
-///   - `SingleRoot(p)` — α (last topological `Bind`) selected `p`.
-///     Emitted whenever the Dag contains at least one `Bind`; multiple
-///     Binds are NOT ambiguous under α — linear `d.nodes` picks
-///     exactly one last element by definition.
-///   - `NoRoot` — zero `Bind` behaviors in `d.nodes`. Lens fold short-
-///     circuits to `DimensionFail`; runtime evaluation rejects.
-///   - `AmbiguousRoot { candidates }` — reserved for the future
-///     enumerate-all-eligible-entries rule that R2-Evaluator's
-///     `evaluate(program, entry, args)` consumes for multi-entry
-///     programs (per Items 4+5 / #1176 §3.2). The α / γ "last X Bind"
-///     rules cannot populate this arm; today's α implementation never
-///     emits it. Carried as `NonSingletonList<PortId>` to make the
-///     pre-disambiguation 1-candidate case structurally
-///     unrepresentable — `AmbiguousRoot` requires ≥2 candidates by
-///     construction.
-///
-/// Dissolution: γ refinement and the enumerate-all rule both reuse
-/// this same partition behind the `workflow_root_port` accessor; no
-/// carrier change required when those rules wire.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum WorkflowRoot {
-    SingleRoot(PortId),
-    NoRoot,
-    AmbiguousRoot {
-        candidates: NonSingletonList<PortId>,
-    },
-}
-
-impl Behavior {
-    pub fn id(&self) -> NodeId {
-        match self {
-            Behavior::Value(v) => v.id,
-            Behavior::Transform(t) => t.id,
-            Behavior::Branch(b) => b.id,
-            Behavior::Loop(l) => l.id,
-            Behavior::Bind(b) => b.id,
-        }
-    }
-
-    pub fn span(&self) -> &SourceSpan {
-        match self {
-            Behavior::Value(v) => &v.span,
-            Behavior::Transform(t) => &t.span,
-            Behavior::Branch(b) => &b.span,
-            Behavior::Loop(l) => &l.span,
-            Behavior::Bind(b) => &b.span,
-        }
-    }
-
-    pub fn as_value(&self) -> Option<&ValueNode> {
-        if let Behavior::Value(v) = self {
-            Some(v)
-        } else {
-            None
-        }
-    }
-
-    pub fn as_transform(&self) -> Option<&TransformNode> {
-        if let Behavior::Transform(t) = self {
-            Some(t)
-        } else {
-            None
-        }
-    }
-
-    pub fn as_branch(&self) -> Option<&BranchNode> {
-        if let Behavior::Branch(b) = self {
-            Some(b)
-        } else {
-            None
-        }
-    }
-
-    pub fn as_loop(&self) -> Option<&LoopNode> {
-        if let Behavior::Loop(l) = self {
-            Some(l)
-        } else {
-            None
-        }
-    }
-
-    pub fn as_bind(&self) -> Option<&BindNode> {
-        if let Behavior::Bind(b) = self {
-            Some(b)
-        } else {
-            None
-        }
-    }
-}
-
-/// Substrate-level pointers to declarations that the compiler asks
-/// about by role rather than by name. Populated at the end of
-/// `bootstrap()` by `Dag::populate_primitive_cache` after every std/
-/// file has been lowered and cross-file stubs have been resolved.
-/// Before that point every field is `None`.
-///
-/// **Dissolution receipt.** The cache exists to remove per-call
-/// `declaration_by_name("Int")` / `"Bool"` / `"String"` lookups from
-/// the hot path. It is NOT a parallel authority — the
-/// `DeclarationId`s it stores are already in `Dag.declarations`, and
-/// the cache is a typed index over the same table. Adding a new role
-/// to this cache is a C1-class stop signal: if the compiler wants to
-/// ask "which declaration is the canonical X?", that question
-/// belongs as a structural edge on the declaration, not as a role
-/// slot here. The three roles cached today (the user-facing
-/// primitives `Int`/`Bool`/`String`) are the substrate's built-in
-/// roles and cannot dissolve into declaration-level edges because
-/// they answer "which declaration is Int?" — a question about
-/// *identity*, not *relationship*.
-///
-/// **Round-10 correction.** Earlier revisions included a
-/// `realization_meta` field pointing at a cached `Realization`
-/// declaration. Production bootstrap doesn't load a `Realization`
-/// declaration (realization facts live in `dsl/extdeps/languages/*`
-/// per the thesis, not in the M1(2.7) std/ set), so the cache was
-/// always `None` and the downstream `is_realization_shape` check
-/// always failed. The check now validates structural shape (Conj +
-/// `meta_tag.is_some()`) directly — no cache needed.
-#[derive(Debug, Default, Clone)]
-pub(crate) struct PrimitiveCache {
-    pub int: Option<TypeShape>,
-    pub bool: Option<TypeShape>,
-    pub string: Option<TypeShape>,
-}
-
-/// Substrate-marker handles populated at bootstrap end. Each field
-/// resolves a marker declaration from `src/v3/spec/v3_l1.dag` to its
-/// `DeclarationId`. The handles are the typed dispatch keys that
-/// `lower_record_to_structural` and `emit_rust` use to recognize
-/// behavior templates and the `DeclarationRef` sentinel meta-type
-/// without round-tripping through string names.
-///
-/// **Why this is not a name-bridge regression.** PrimitiveCache's
-/// dissolution ledger says "adding a new role to this cache is a
-/// C1-class stop signal." SubstrateMarkers is a separate cache for
-/// a different category of role: not "which declaration is the
-/// canonical X" (which the primitive cache answers for user-facing
-/// types) but "which declaration is the structural marker for v3's
-/// L1 behavior X" — a substrate-internal question that consumers
-/// (lower, emit) need to answer at every dispatch site. The cache
-/// turns those dispatch sites into typed `decl_id == cache.bind`
-/// comparisons instead of `decl.name.as_deref() == Some("Bind")`
-/// string matches. The name lookup happens once at bootstrap end
-/// from the standard module path; every consumer downstream reads
-/// the typed handle.
-///
-/// **Why one cache per category.** Mixing "user primitive" and
-/// "substrate marker" roles in a single cache would conflate two
-/// distinct stability classes. Primitives change with v3's user-
-/// facing type system; substrate markers change with v3's L1
-/// behavior set. Splitting the caches keeps each one's invariants
-/// independent.
-#[derive(Debug, Default, Clone)]
-pub(crate) struct RealizationMetaCache {
-    /// `TypeRealization` meta-type. Declared in
-    /// `src/v3/spec/rust.dag` (and any future per-target spec
-    /// file) as the meta-tag for `data rust_*: TypeRealization
-    /// = { ... }` items. Cached typed handle so that consumers
-    /// like `emit_rust::RealizationIndexes::build` filter by
-    /// `meta_tag == Some(this)` without going through
-    /// `declaration_by_name("TypeRealization")` at hot-path
-    /// time.
-    pub type_realization: Option<DeclarationId>,
-    /// `OperatorRealization` meta-type. Same role as `type_realization`
-    /// for operator realizations.
-    pub operator_realization: Option<DeclarationId>,
-    /// `BehaviorRealization` meta-type. Same role for behavior
-    /// template realizations (Bind/Branch/Main).
-    pub behavior_realization: Option<DeclarationId>,
-    /// `CallableRealization` meta-type. Same role for callable
-    /// render strategies (currently staged std.list helpers).
-    pub callable_realization: Option<DeclarationId>,
-    /// `TypeInstantiationRealization` meta-type. Same role for
-    /// generic template carriers such as `List<T> -> Vec<T>`.
-    pub type_instantiation_realization: Option<DeclarationId>,
-    /// `PatternRealization` meta-type. Same role for carrier-specific
-    /// pattern lowering facts (currently staged `List<T> -> Vec<T>`
-    /// destructuring).
-    pub pattern_realization: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct TargetSyntaxCache {
-    /// `rust_language` syntax bundle declaration loaded from
-    /// `src/v3/spec/rust.dag`. This is the target-language
-    /// authority the Rust emitter reads for expression/control-flow/
-    /// function/type/value syntax templates.
-    pub rust_language: Option<DeclarationId>,
-    /// `rust_rendering` ownership-model declaration loaded from
-    /// `src/v3/spec/rust.dag`. This is the target-language
-    /// authority the Rust emitter reads for borrow-vs-construct
-    /// rendering policy at use sites.
-    pub rust_rendering: Option<DeclarationId>,
-    /// `rust_execution_model` declaration loaded from
-    /// `src/v3/spec/rust.dag`. Used by emitters to gate the
-    /// ownership stage on the target memory model.
-    pub rust_execution_model: Option<DeclarationId>,
-    /// `rust_source_filtering` declaration loaded from
-    /// `src/v3/spec/rust.dag`.
-    pub rust_source_filtering: Option<DeclarationId>,
-    /// `rust_execution_requirement` declaration loaded from
-    /// `src/v3/spec/rust.dag`.
-    pub rust_execution_requirement: Option<DeclarationId>,
-    /// `dag_model` declaration loaded from
-    /// `src/v3/std/computation_model.dag`. The source-side
-    /// computation-model fact the emitter reads alongside the
-    /// target execution model.
-    pub dag_model: Option<DeclarationId>,
-    /// `go_language` syntax bundle declaration loaded from
-    /// `src/v3/spec/go.dag`.
-    pub go_language: Option<DeclarationId>,
-    /// `go_execution_model` declaration loaded from
-    /// `src/v3/spec/go.dag`.
-    pub go_execution_model: Option<DeclarationId>,
-    /// `go_source_filtering` declaration loaded from
-    /// `src/v3/spec/go.dag`.
-    pub go_source_filtering: Option<DeclarationId>,
-    /// `go_execution_requirement` declaration loaded from
-    /// `src/v3/spec/go.dag`.
-    pub go_execution_requirement: Option<DeclarationId>,
-    /// `python_language` syntax bundle declaration loaded from
-    /// `src/v3/spec/python.dag`.
-    pub python_language: Option<DeclarationId>,
-    /// `python_target` execution-model declaration loaded from
-    /// `src/v3/spec/python.dag`.
-    pub python_target: Option<DeclarationId>,
-    /// `python_source_filtering` declaration loaded from
-    /// `src/v3/spec/python.dag`.
-    pub python_source_filtering: Option<DeclarationId>,
-    /// `python_execution_requirement` declaration loaded from
-    /// `src/v3/spec/python.dag`.
-    pub python_execution_requirement: Option<DeclarationId>,
-    /// Shared target-authority bindings scanned from
-    /// `TargetCleanEmissionBinding` data items. This is the single
-    /// cached bridge from `LanguageSpec` to `CleanEmissionContract`;
-    /// adding a new target extends the spec surface, not compiler
-    /// branches.
-    pub clean_emission_by_language: HashMap<DeclarationId, DeclarationId>,
-}
-
-/// Shared target-authority bundle tying one `LanguageSpec`
-/// declaration to the `CleanEmissionContract` that governs how code
-/// for that language must render. This keeps the pairing as a typed
-/// carrier instead of asking downstream consumers to reconstruct it
-/// from parallel per-target caches.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub struct TargetSyntaxBundle {
-    pub language_spec: DeclarationId,
-    pub clean_emission_spec: DeclarationId,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct StdlibTypeCache {
-    /// `std.list.List` template declaration. Resolved once at
-    /// bootstrap end so downstream consumers compare typed
-    /// declaration ids instead of reconstructing stdlib identity
-    /// through `declaration_by_name("List")`.
-    pub list: Option<DeclarationId>,
-    /// The `Map<K, V> = PartialFunction<…>` template head (`PartialFunction` in
-    /// `dsl/std`). The underlying record carries algebra `Arrow`+`NoBody` fields
-    /// for operations, not first-class `fn` **values** — emit must not recurse
-    /// the template in `decl_includes_first_class_arrow_data` the way it does
-    /// for a user `G<T>` (PR #676).
-    pub partial_function: Option<DeclarationId>,
-}
-
-/// Substrate declarations emitters used to resolve via
-/// `declaration_by_name("...")` at call time. Populated once at
-/// bootstrap end in [`Dag::populate_primitive_cache`]; downstream code
-/// reads typed [`DeclarationId`] handles (ROADMAP P3 — name-keyed emit
-/// lookups).
-#[derive(Debug, Default, Clone)]
-pub(crate) struct EmitAnchorCache {
-    /// `OrderedRing` algebra Conj — canonical fallback for operator fields.
-    pub ordered_ring: Option<DeclarationId>,
-    /// `AbelianGroup` algebra Conj — canonical authority for phantom-unit closure.
-    pub abelian_group: Option<DeclarationId>,
-    /// `SubstrateAccessorBinding` meta-type for substrate accessor data items.
-    pub substrate_accessor_binding: Option<DeclarationId>,
-    /// `Dag` graph type (`src/v3/std/substrate.dag`).
-    pub dag_type: Option<DeclarationId>,
-    /// `fold` from `src/v3/std/list.dag` (list catamorphism).
-    pub std_list_fold: Option<DeclarationId>,
-    /// `rust_functions` syntax record — resolved to the v3 spec copy in
-    /// `src/v3/spec/rust.dag` (bootstrap name resolution prefers `src/v3/`
-    /// over the duplicate carrier in `dsl/std/languages.dag`).
-    pub rust_functions: Option<DeclarationId>,
-    /// `MethodEmitTemplate` coproduct parent used to map a method-template
-    /// constructor id back to its variant label during target emission.
-    pub method_emit_template: Option<DeclarationId>,
-    /// `MethodTemplateContract` meta-type used by fold-method contract checks.
-    pub method_template_contract: Option<DeclarationId>,
-    /// `std.list.concat_method` method declaration.
-    pub concat_method: Option<DeclarationId>,
-    /// `std.list.length_method` method declaration.
-    pub length_method: Option<DeclarationId>,
-    /// `std.list.fold_method` method declaration.
-    pub fold_method: Option<DeclarationId>,
-    /// `std.list.is_empty_method` method declaration.
-    pub is_empty_method: Option<DeclarationId>,
-    /// `std.list.filter_method` method declaration.
-    pub filter_method: Option<DeclarationId>,
-    /// `std.list.flat_map_method` method declaration.
-    pub flat_map_method: Option<DeclarationId>,
-    /// `std.list.any_method` method declaration.
-    pub any_method: Option<DeclarationId>,
-    /// `std.list.all_method` method declaration.
-    pub all_method: Option<DeclarationId>,
-    /// `std.list.map_method` method declaration.
-    pub map_method: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct PatternStrategyVariants {
-    pub vector_list: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct FieldAccessVariants {
-    pub direct_field: Option<DeclarationId>,
-    pub accessor_method: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct ParameterDispositionVariants {
-    pub borrowed: Option<DeclarationId>,
-    pub consumed: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct MemoryModelVariants {
-    pub value_only: Option<DeclarationId>,
-    pub garbage_collected: Option<DeclarationId>,
-    pub ref_counted: Option<DeclarationId>,
-    pub ownership_based: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct ScopeModelVariants {
-    pub lexical_scoping: Option<DeclarationId>,
-    pub dynamic_scoping: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct ReadStrategyVariants {
-    pub borrow: Option<DeclarationId>,
-    pub pass_by_value: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct ConstructStrategyVariants {
-    pub copy_or_clone: Option<DeclarationId>,
-    pub pass_by_value: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct MutabilityVariants {
-    pub immutable: Option<DeclarationId>,
-    pub mutable: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct PurityVariants {
-    pub pure: Option<DeclarationId>,
-    pub effectful: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct StructureVariants {
-    pub explicit_dag: Option<DeclarationId>,
-    pub arbitrary: Option<DeclarationId>,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct IterationVariants {
-    pub bounded: Option<DeclarationId>,
-    pub unbounded: Option<DeclarationId>,
-}
-
-/// Cached variant DeclarationIds for fixed emit-model coproducts.
-/// Populated once at bootstrap end so emitters dispatch on typed
-/// constructors instead of resolving parent/variant names at parse time.
-#[derive(Debug, Default, Clone)]
-pub(crate) struct EmitModelVariants {
-    pub pattern_strategy: PatternStrategyVariants,
-    pub field_access: FieldAccessVariants,
-    pub parameter_disposition: ParameterDispositionVariants,
-    pub memory_model: MemoryModelVariants,
-    pub scope_model: ScopeModelVariants,
-    pub read_strategy: ReadStrategyVariants,
-    pub construct_strategy: ConstructStrategyVariants,
-    pub mutability: MutabilityVariants,
-    pub purity: PurityVariants,
-    pub structure: StructureVariants,
-    pub iteration: IterationVariants,
-}
-
-#[derive(Debug, Default, Clone)]
-pub(crate) struct SubstrateMarkers {
-    /// `src/v3/spec/v3_l1.dag` `ValueBehavior` marker (L1 Value-shaped
-    /// behavior). Targets literals in target language realizations.
-    /// Bare `Value` is reserved for PB-Runtime union types, not this marker.
-    pub value: Option<DeclarationId>,
-    /// `Transform` marker. Targets generic transform-shaped
-    /// emissions (currently unused — operators dispatch via the
-    /// algebra field walk).
-    pub transform: Option<DeclarationId>,
-    /// `Branch` marker. Targets the per-target if/else template.
-    pub branch: Option<DeclarationId>,
-    /// `Loop` marker. Targets per-target loop emission templates
-    /// (M2+ once recursion lowers to Loop).
-    pub r#loop: Option<DeclarationId>,
-    /// `Bind` marker. Targets the per-target let-statement
-    /// template.
-    pub bind: Option<DeclarationId>,
-    /// `Main` marker. Targets the per-target program-entry-point
-    /// wrapper template.
-    pub main: Option<DeclarationId>,
-    /// `DeclarationRef` sentinel meta-type. When a record-literal
-    /// field's declared type walks to this declaration, the
-    /// lowerer accepts identifier / dotted-path expressions as the
-    /// field value and emits `FieldValue::Reference(decl_id)`
-    /// instead of `FieldValue::Literal(...)`. This is the
-    /// structural escape hatch that lets target spec files write
-    /// typed declaration references inside data bodies.
-    pub declaration_ref: Option<DeclarationId>,
-}
-
-/// Typed handles for the four `PatternBindingRule` variants declared
-/// in `src/v3/std/clean_emission.dag`. Populated at bootstrap end.
-///
-/// Every per-target emitter (`emit_rust`, `emit_go`, future
-/// `emit_python`) parses the `pattern_bindings` field of its
-/// `CleanEmissionContract` by comparing the field's constructor id
-/// against these handles. Caching once at bootstrap end is the
-/// single bridge from the variant names in `clean_emission.dag` to
-/// declaration ids; every consumer downstream dispatches on the
-/// typed id. Without this cache, each emitter would re-resolve the
-/// same four names on every contract parse — the exact anti-pattern
-/// `feedback_substrate_principle_audit` Q5 calls out ("multiple
-/// call sites independently reconstructing the same fact").
-#[derive(Debug, Default, Clone)]
-pub(crate) struct PatternBindingRuleVariants {
-    /// `EmitBindingAlways` — the emitter always writes the binding,
-    /// even when the body does not consume it. Used by targets
-    /// whose native compilers do not warn on unused pattern
-    /// bindings.
-    pub emit_always: Option<DeclarationId>,
-    /// `EmitUnderscoreWhenUnused` — the emitter replaces the
-    /// binding name with `_` (Rust) or elides the binding
-    /// statement (Go) when the body does not consume it.
-    pub emit_underscore: Option<DeclarationId>,
-    /// `EmitPrefixedUnderscoreWhenUnused` — the emitter keeps the
-    /// binding but prefixes its name with `_` (Python-style).
-    pub emit_prefixed: Option<DeclarationId>,
-    /// `NotApplicablePatternBinding` — targets without structural
-    /// pattern matching (no variant applicable).
-    pub not_applicable: Option<DeclarationId>,
-}
-
-/// Cached `VariantPayloadFieldAccessRule` variant DeclarationIds
-/// resolved from `src/v3/std/clean_emission.dag`. Populated at
-/// bootstrap end and consumed by emitters when parsing
-/// `CleanEmissionContract.variant_payload_field_access`.
-///
-/// Like `PatternBindingRuleVariants`, this central cache is the sole
-/// bridge from `clean_emission.dag`'s variant labels to typed
-/// `DeclarationId`s. That keeps the "how do target specs classify
-/// variant-payload field access?" fact in one place instead of letting
-/// three emitters re-resolve the same names independently (Q5
-/// construction authority).
-#[derive(Debug, Default, Clone)]
-pub(crate) struct VariantPayloadFieldAccessRuleVariants {
-    /// `AccessFromPayloadBinding` — the bound payload expression is a
-    /// whole carrier whose fields can be projected directly.
-    pub access_from_payload_binding: Option<DeclarationId>,
-    /// `OverrideNamedFieldsAtBindingSite` — named payload fields must
-    /// be broken into per-field bindings at the match site.
-    pub override_named_fields_at_binding_site: Option<DeclarationId>,
-}
-
-/// Cached `VerifierOutputPolicy` variant DeclarationIds resolved
-/// from `src/v3/std/clean_emission.dag`. Populated at bootstrap
-/// end alongside `PatternBindingRuleVariants`. The
-/// `post_emit_verifier` harness dispatches on the cached typed
-/// ids when parsing `CleanEmissionContract.post_emit_verifier
-/// .output_policy`. Lives here for the same §Layer opacity /
-/// §Semantic authority reasons as `PatternBindingRuleVariants`:
-/// compiler-side consumers must compare constructor
-/// `DeclarationId`s, not variant label strings.
-#[derive(Debug, Default, Clone)]
-pub(crate) struct VerifierOutputPolicyVariants {
-    /// `IgnoreVerifierOutput` — the verdict hinges entirely on
-    /// `expected_exit_code`; stdout / stderr are informational.
-    pub ignore_output: Option<DeclarationId>,
-    /// `RequireEmptyStdout` — the declared verifier (e.g. `gofmt
-    /// -l`) reports dirty files on stdout while exiting 0, so
-    /// empty stdout is the load-bearing signal.
-    pub require_empty_stdout: Option<DeclarationId>,
-    /// `RequireEmptyStderr` — exit code and stdout are
-    /// informational; stderr carries the verdict.
-    pub require_empty_stderr: Option<DeclarationId>,
-    /// `RequireEmptyStdoutAndStderr` — both streams must be empty
-    /// in addition to the expected exit code.
-    pub require_empty_stdout_and_stderr: Option<DeclarationId>,
-}
-
-/// Cached `CallableStrategy` variant DeclarationIds resolved from
-/// `src/v3/std/emit_model.dag`. Populated at bootstrap end and
-/// consumed by the shared Go emitter plus the Rust/Python target
-/// emitters when parsing `CallableRealization.strategy`.
-///
-/// This mirrors `PatternBindingRuleVariants`: one bootstrap-time
-/// name walk through the Disj, then downstream consumers compare
-/// typed `DeclarationId`s only. Without the cache, each emitter
-/// re-resolves the same ten variant labels independently at parse
-/// time, recreating the "multiple call sites reconstruct the same
-/// fact" bridge.
-#[derive(Debug, Default, Clone)]
-pub(crate) struct CallableStrategyVariants {
-    pub list_empty: Option<DeclarationId>,
-    pub list_singleton: Option<DeclarationId>,
-    pub list_cons: Option<DeclarationId>,
-    pub list_concat: Option<DeclarationId>,
-    pub list_length: Option<DeclarationId>,
-    pub list_is_empty: Option<DeclarationId>,
-    pub list_fold: Option<DeclarationId>,
-    pub list_map: Option<DeclarationId>,
-    pub list_filter: Option<DeclarationId>,
-    pub list_contains: Option<DeclarationId>,
-}
-
-#[derive(Debug, Clone)]
-pub struct Dag {
-    /// Behaviors in construction order. NodeId(k) lives at `nodes[k]`; a forward
-    /// walk visits dependencies before dependents (load-bearing for inference).
-    nodes: Vec<Behavior>,
-    /// Declarations in allocation order. DeclarationId(k) lives at
-    /// `declarations[k]` by the same invariant.
-    declarations: Vec<Declaration>,
-    ports: HashMap<PortId, Port>,
-    diagnostics: DiagnosticTable,
-    next_node_id: u32,
-    next_declaration_id: u32,
-    next_port_id: u32,
-    /// Cached typed pointers to declarations the compiler asks about by
-    /// role. Populated at the end of `bootstrap()`; empty before then.
-    primitives: PrimitiveCache,
-    /// Cached substrate marker DeclarationIds resolved from
-    /// `dsl/std/v3_l1.dag`. Populated alongside the primitive
-    /// cache at bootstrap end. See `SubstrateMarkers` for the
-    /// rationale behind splitting markers from primitives.
-    substrate_markers: SubstrateMarkers,
-    /// Cached realization meta-type DeclarationIds resolved
-    /// from `src/v3/spec/rust.dag` (and other per-target spec
-    /// files). Populated at bootstrap end. Lets downstream
-    /// consumers like `emit_rust::RealizationIndexes::build`
-    /// filter by typed meta-tag handle instead of doing a name
-    /// lookup at hot-path time.
-    realization_metas: RealizationMetaCache,
-    /// Cached target-language syntax bundle declarations.
-    target_syntax: TargetSyntaxCache,
-    /// Cached stdlib type-template declarations.
-    stdlib_types: StdlibTypeCache,
-    /// Cached emit-time substrate anchors (operator fallback, accessors,
-    /// std list fold, Rust function-syntax bundle).
-    emit_anchors: EmitAnchorCache,
-    /// Cached `PatternBindingRule` variant DeclarationIds resolved
-    /// from `src/v3/std/clean_emission.dag`. Populated at bootstrap
-    /// end alongside `SubstrateMarkers` / `RealizationMetaCache`.
-    /// Every per-target emitter dispatches on the cached typed ids
-    /// when parsing its `CleanEmissionContract.pattern_bindings`
-    /// field — see `PatternBindingRuleVariants` for why one
-    /// central cache is the right shape instead of per-emitter
-    /// name lookups.
-    pattern_binding_rule_variants: PatternBindingRuleVariants,
-    /// Cached `VariantPayloadFieldAccessRule` variant DeclarationIds
-    /// resolved from `src/v3/std/clean_emission.dag`. Every emitter
-    /// reads these typed ids when parsing
-    /// `CleanEmissionContract.variant_payload_field_access`.
-    variant_payload_field_access_rule_variants: VariantPayloadFieldAccessRuleVariants,
-    /// Cached `VerifierOutputPolicy` variant DeclarationIds
-    /// resolved from `src/v3/std/clean_emission.dag`. The
-    /// `post_emit_verifier` harness dispatches on the cached typed
-    /// ids when parsing `CleanEmissionContract.post_emit_verifier
-    /// .output_policy` — same §Layer opacity shape as
-    /// `pattern_binding_rule_variants`.
-    verifier_output_policy_variants: VerifierOutputPolicyVariants,
-    /// Cached `CallableStrategy` variant DeclarationIds resolved
-    /// from `src/v3/std/emit_model.dag`. Consumed by the shared Go
-    /// emitter plus Rust/Python target emitters when parsing
-    /// `CallableRealization.strategy`.
-    callable_strategy_variants: CallableStrategyVariants,
-    /// Cached fixed emit-model coproduct variant DeclarationIds used by
-    /// emit target parsers.
-    emit_model_variants: EmitModelVariants,
-    /// Sidecar structural facts for mutually-recursive SCCs.
-    clusters: Vec<Cluster>,
-    /// Synthetic match carriers for anonymous `T?` cardinalities. Used when
-    /// inference needs stable `Some` / `None` variant identities without
-    /// promoting optionals into named top-level declarations.
-    optional_match_disjs: HashMap<DeclarationId, DeclarationId>,
-    /// Exclusive lower bound on [`DeclarationId::raw`] for declarations
-    /// appended **after** embedded bootstrap fixture construction for this
-    /// `Dag`. Bootstrap rows use `raw() <` this value; runtime / user-phase
-    /// allocations use `raw() >=` this value (structural; do not infer from
-    /// `span.file`). `0` for [`Dag::empty`]; stamped when serving
-    /// [`Dag::new`] and sibling bootstrap snapshots.
-    declaration_append_begin_after_bootstrap: u32,
-}
-
-/// Which committed `bootstrap_*_generated` snapshot shape [`Dag::finalize_runtime_bootstrap_from_generated_snapshot`]
-/// is finalizing — drives extdeps-only asserts and pilot validation.
-#[derive(Debug, Clone, Copy)]
-pub(crate) enum RuntimeBootstrapFixtureKind {
-    /// `bootstrap_generated` / `bootstrap_generated_without_parse_surface`.
-    FullExtdepsPipelineSnapshot,
-    /// `bootstrap_std_generated` (std-only; no extdeps fixture-key assert / pilot walk).
-    StdOnlySnapshot,
-}
-
-static BOOTSTRAPPED_DAG: LazyLock<Dag> = LazyLock::new(|| {
-    let mut dag = bootstrap_generated::bootstrapped_fixture_dag();
-    dag.finalize_runtime_bootstrap_from_generated_snapshot(
-        RuntimeBootstrapFixtureKind::FullExtdepsPipelineSnapshot,
-    );
-    dag
-});
-
-// Generated bootstrap snapshots are performance caches over the checked-in
-// `.dag` authorities, not independent authorities. `regen_bootstrap` is the
-// sole writer and the PB-1 equivalence tests ratchet generated == runtime.
-static BOOTSTRAPPED_STD_FIXTURE_DAG: LazyLock<Dag> = LazyLock::new(|| {
-    let mut dag = bootstrap_std_generated::bootstrapped_std_fixture_dag();
-    dag.finalize_runtime_bootstrap_from_generated_snapshot(
-        RuntimeBootstrapFixtureKind::StdOnlySnapshot,
-    );
-    dag
-});
-
-static BOOTSTRAPPED_DAG_WITHOUT_PARSE_SURFACE_FIXTURE: LazyLock<Dag> = LazyLock::new(|| {
-    let mut dag =
-        bootstrap_generated_without_parse_surface::bootstrapped_fixture_without_parse_surface_dag();
-    dag.finalize_runtime_bootstrap_from_generated_snapshot(
-        RuntimeBootstrapFixtureKind::FullExtdepsPipelineSnapshot,
-    );
-    dag
-});
-
-/// Typed result of a Bind-chain producer walk. Discriminates
-/// **legitimate absence** (parameter port with no producer) from
-/// **malformed-substrate** states (missing port, missing node, cyclic
-/// Bind chain). INVARIANTS P3 fail-closed: consumers must not collapse
-/// the malformed variants into the legitimate-absence path — see
-/// `Dag::resolve_producer_opt` for the compat wrapper that does
-/// collapse, and `lens_declaration_apply.rs::eligibility_walk_port` for the
-/// canonical typed consumer.
-pub enum ProducerLookup<'a> {
-    /// Legitimate: the port has no `produced_by` link (e.g., a
-    /// parameter port bound by the interpreter at evaluation time).
-    NoProducer,
-    /// A non-Bind producer reached after walking through any number of
-    /// Bind hops.
-    Found(&'a Behavior),
-    /// Malformed substrate: the `PortId` does not resolve in the DAG.
-    MissingPort { port: PortId },
-    /// Malformed substrate: a `produced_by` link references a `NodeId`
-    /// that is not in the DAG.
-    MissingNode { producer: NodeId },
-    /// Malformed substrate: a cycle was detected while walking the
-    /// Bind chain — the walk would not terminate.
-    BindCycle { detected_at: NodeId },
-}
-
-/// Verify-first upsert for native `lane2_workflow` storage on `Value`/`Bind`.
-///
-/// **P5 Mechanism (b) — explicit deferral (PR #3923, work-item `adhoc-342cfea2-653`):** lane
-/// **T-PB-A**, concrete row `_internal/ROADMAP_OPS.md` § **Nine lanes** /
-/// `pb_hand_rust_at_shim_floor` (existing SG-0 non-test path
-/// `src/v3/compiler/src/dag.rs`; amended INVARIANTS_OPS receipt row in same PR). Interim change:
-/// fail-closed remediation of audit stray **S-register** — verify-first upsert per
-/// `dsl/std/patterns.dag` canon (no silent overwrite). **SG-0:** no new census paths. Checkable
-/// behavior: `try_register_lane2_workflow_effect_upserts_without_silent_overwrite` below.
-fn upsert_lane2_workflow_on_node(
-    slot: &mut Option<Box<WorkflowEffect>>,
-    workflow: WorkflowEffect,
-) -> bool {
-    match slot.as_deref() {
-        None => {
-            *slot = Some(Box::new(workflow));
-            true
-        }
-        Some(existing) if *existing == workflow => true,
-        Some(_) => false,
-    }
-}
-
-impl Dag {
-    // Only `bootstrap_regen_fresh` constructs an empty Dag for regen; omitting
-    // that module without `bootstrap-regen-fresh` would otherwise trip `dead_code`.
-    // If a **default-feature** caller needs `empty()`, do not grow `allow(dead_code)` —
-    // revisit the PB-1-e regen-vs-runtime authority split instead.
-    #[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-    pub(crate) fn empty() -> Self {
-        Self {
-            nodes: Vec::new(),
-            declarations: Vec::new(),
-            ports: HashMap::new(),
-            diagnostics: DiagnosticTable::new(),
-            next_node_id: 0,
-            next_declaration_id: 0,
-            next_port_id: 0,
-            primitives: PrimitiveCache::default(),
-            substrate_markers: SubstrateMarkers::default(),
-            realization_metas: RealizationMetaCache::default(),
-            target_syntax: TargetSyntaxCache::default(),
-            stdlib_types: StdlibTypeCache::default(),
-            emit_anchors: EmitAnchorCache::default(),
-            pattern_binding_rule_variants: PatternBindingRuleVariants::default(),
-            variant_payload_field_access_rule_variants:
-                VariantPayloadFieldAccessRuleVariants::default(),
-            verifier_output_policy_variants: VerifierOutputPolicyVariants::default(),
-            callable_strategy_variants: CallableStrategyVariants::default(),
-            emit_model_variants: EmitModelVariants::default(),
-            clusters: Vec::new(),
-            optional_match_disjs: HashMap::new(),
-            declaration_append_begin_after_bootstrap: 0,
-        }
-    }
-
-    pub fn new() -> Self {
-        (*BOOTSTRAPPED_DAG).clone()
-    }
-
-    /// Declaration graph with **no** embedded bootstrap fixture.
-    ///
-    /// Cross-crate **tests** only (e.g. E-6 witnesses that compare bootstrap-full vs empty graphs).
-    /// Production paths must use [`Dag::new`].
-    ///
-    /// Gated behind feature `empty-substrate-for-tests` so normal library builds do not expose a
-    /// public constructor for substrate-invalid empty graphs ([`Dag::new`] remains the production entry).
-    #[cfg(feature = "empty-substrate-for-tests")]
-    pub fn new_empty_for_testing() -> Self {
-        Self::empty()
-    }
-
-    /// First [`DeclarationId::raw`] reserved for declarations appended after
-    /// embedded bootstrap construction. Values strictly below this bound index
-    /// bootstrap fixture rows; values at or above were allocated afterward
-    /// (user compile / lowering), without consulting `span.file`.
-    pub fn post_bootstrap_declaration_append_begin(&self) -> u32 {
-        self.declaration_append_begin_after_bootstrap
-    }
-
-    /// `true` when `id` was allocated after bootstrap for this `Dag` (same
-    /// predicate as `id.raw() >= self.post_bootstrap_declaration_append_begin()`).
-    pub fn is_runtime_appended_declaration(&self, id: DeclarationId) -> bool {
-        id.raw() >= self.declaration_append_begin_after_bootstrap
-    }
-
-    /// After embedding additional non-user fixtures (e.g. `complexity.dag` for T-LAS),
-    /// re-stamp the append boundary so those declarations are treated like bootstrap for
-    /// strict identifier / scaffold sweeps.
-    pub(crate) fn seal_prepended_authority_fixture_range(&mut self) {
-        self.stamp_declaration_append_begin_after_bootstrap();
-    }
-
-    fn stamp_declaration_append_begin_after_bootstrap(&mut self) {
-        self.declaration_append_begin_after_bootstrap = self.next_declaration_id;
-    }
-
-    /// Invariant steps for every `Dag` materialized from a committed
-    /// `bootstrap_*_generated` snapshot before it is cached or cloned for
-    /// [`Dag::new`]. Centralizes bootstrap finalization so the append boundary
-    /// is not tied ad hoc to each `LazyLock` closure.
-    pub(crate) fn finalize_runtime_bootstrap_from_generated_snapshot(
-        &mut self,
-        kind: RuntimeBootstrapFixtureKind,
-    ) {
-        self.assert_user_defined_arrow_bodies_point_at_binds();
-        if matches!(
-            kind,
-            RuntimeBootstrapFixtureKind::FullExtdepsPipelineSnapshot
-        ) {
-            assert_bootstrap_fixture_paths_match_regen_keys(self);
-        }
-        self.populate_primitive_cache();
-        crate::bootstrap::ensure_kernel_bool_lane1e2b_bootstrap_witness(self);
-        if matches!(
-            kind,
-            RuntimeBootstrapFixtureKind::FullExtdepsPipelineSnapshot
-        ) {
-            crate::int_literal_ranges::validate_rust_grounding_integer_primitives(self);
-        }
-        self.stamp_declaration_append_begin_after_bootstrap();
-    }
-
-    fn assert_user_defined_arrow_bodies_point_at_binds(&self) {
-        for declaration in &self.declarations {
-            let TypeConnective::Arrow {
-                body: ArrowBody::UserDefined(bind_id),
-                ..
-            } = &declaration.connective
-            else {
-                continue;
-            };
-            let node_id = bind_id.node_id();
-            if !matches!(self.node_opt(&node_id), Some(Behavior::Bind(_))) {
-                let name = declaration.name.as_deref().unwrap_or("<anonymous>");
-                panic!(
-                    "generated bootstrap invariant violation: declaration {name:?} ({:?}) has \
-                     ArrowBody::UserDefined({node_id:?}), but that NodeId does not point at \
-                     Behavior::Bind",
-                    declaration.id
-                );
-            }
-        }
-    }
-
-    /// Clone of the bootstrapped Dag used by [`crate::compile_parse_surface_std_authority_dag`]:
-    /// every fixture except `src/v3/std/parse_surface.dag`, so that file can be
-    /// parsed and lowered again without duplicate top-level names.
-    pub(crate) fn new_without_parse_surface_staged_fixture_bootstrap() -> Self {
-        (*BOOTSTRAPPED_DAG_WITHOUT_PARSE_SURFACE_FIXTURE).clone()
-    }
-
-    pub(crate) fn std_fixture_bootstrap_snapshot() -> Self {
-        (*BOOTSTRAPPED_STD_FIXTURE_DAG).clone()
-    }
-
-    /// Typed accessor for the cached `Int` primitive `TypeShape`. `None`
-    /// only when bootstrap failed to load `dsl/std/integer.dag` — a
-    /// diagnostic is already on `Dag.diagnostics` in that case and the
-    /// compile fails through the ordinary channel.
-    pub fn int_shape(&self) -> Option<TypeShape> {
-        self.primitives.int
-    }
-
-    /// Typed accessor for the cached `Bool` primitive `TypeShape`. Same
-    /// bootstrap-failure semantics as `int_shape`.
-    pub fn bool_shape(&self) -> Option<TypeShape> {
-        self.primitives.bool
-    }
-
-    /// Runtime/substrate Bool reification authority for branch dispatch.
-    ///
-    /// Bool remains a scalar [`LiteralBits::Bool`] for ordinary literal data,
-    /// comparisons, and spec fields. When a Bool value is used as a Branch
-    /// scrutinee, however, the runtime must compare against the same
-    /// declaration-id identity that inference resolved for `True` / `False`
-    /// patterns. This helper is the transitional single lookup point for that
-    /// reification.
-    ///
-    /// Retirement trigger: delete this helper once Bool runtime production is
-    /// uniformly represented as `VariantValue { tag: True/False, .. }` at the
-    /// producer boundary instead of at branch consumers.
-    pub fn bool_runtime_variant_id(&self, value: bool) -> Option<DeclarationId> {
-        let bool_decl = self.declaration_by_name("Bool")?;
-        let TypeConnective::Disj { variants } = &bool_decl.connective else {
-            return None;
-        };
-        let label = if value { "True" } else { "False" };
-        variants
-            .iter()
-            .find(|variant| variant.label == label)
-            .map(|variant| variant.ty)
-    }
-
-    /// Typed accessor for the cached `String` primitive `TypeShape`. Same
-    /// bootstrap-failure semantics as `int_shape`.
-    pub fn string_shape(&self) -> Option<TypeShape> {
-        self.primitives.string
-    }
-
-    /// The std **scalar** `TypeShape` roots used to prune algebra / ring
-    /// `TypeConnective::Arrow` from the first-class-`fn` *data* walk in
-    /// `emit::rust_target` (`decl_includes_first_class_arrow_data` and related).
-    /// **Tied to** `Dag`’s `int` / `bool` / `string` fields in `primitives` — when a
-    /// new bootstrap primitive (e.g. `Float`) gains a `float_shape` accessor, extend
-    /// this to `[TypeShape; 4]` (or equivalent) in the same change as the emit
-    /// predicate so the allowlist cannot drift silently (PR #676, Opus review).
-    pub fn first_class_fn_walk_bootstrap_prune_type_shapes(&self) -> [TypeShape; 3] {
-        [
-            self.int_shape()
-                .expect("bootstrap `Int` (dsl/std) required for this helper"),
-            self.bool_shape()
-                .expect("bootstrap `Bool` (dsl/std) required for this helper"),
-            self.string_shape()
-                .expect("bootstrap `String` (dsl/std) required for this helper"),
-        ]
-    }
-
-    /// Typed accessor for the v3_l1 `Bind` marker. `None` only when
-    /// bootstrap failed to load `dsl/std/v3_l1.dag`. Used by emit
-    /// passes to look up the per-target Bind realization without a
-    /// name string.
-    pub fn bind_marker(&self) -> Option<DeclarationId> {
-        self.substrate_markers.bind
-    }
-
-    /// Typed accessor for the v3_l1 `Branch` marker. Same bootstrap-
-    /// failure semantics as `bind_marker`.
-    pub fn branch_marker(&self) -> Option<DeclarationId> {
-        self.substrate_markers.branch
-    }
-
-    /// Typed accessor for the v3_l1 `Loop` marker. Same bootstrap-
-    /// failure semantics as `bind_marker`.
-    pub fn loop_marker(&self) -> Option<DeclarationId> {
-        self.substrate_markers.r#loop
-    }
-
-    /// Typed accessor for the v3_l1 `Transform` marker. Same
-    /// bootstrap-failure semantics as `bind_marker`.
-    pub fn transform_marker(&self) -> Option<DeclarationId> {
-        self.substrate_markers.transform
-    }
-
-    /// Typed accessor for the v3_l1 `ValueBehavior` marker. Same bootstrap-
-    /// failure semantics as `bind_marker`. (Rust name `value_marker` is
-    /// stable; the underlying declaration is `ValueBehavior`, not bare `Value`.)
-    pub fn value_marker(&self) -> Option<DeclarationId> {
-        self.substrate_markers.value
-    }
-
-    /// Typed accessor for the v3_l1 `Main` marker. Same bootstrap-
-    /// failure semantics as `bind_marker`.
-    pub fn main_marker(&self) -> Option<DeclarationId> {
-        self.substrate_markers.main
-    }
-
-    /// Typed accessor for the `DeclarationRef` sentinel meta-type
-    /// declared in `src/v3/spec/v3_l1.dag`. Used by
-    /// `lower_record_to_structural` to recognize record-literal
-    /// fields whose declared type means "any declaration reference"
-    /// (and therefore accept identifier / dotted-path expressions
-    /// as field values instead of requiring scalar literals).
-    pub fn declaration_ref_marker(&self) -> Option<DeclarationId> {
-        self.substrate_markers.declaration_ref
-    }
-
-    /// Typed accessor for the `TypeRealization` meta-type declared
-    /// in `src/v3/spec/rust.dag`. `None` only when bootstrap
-    /// failed to load the file. Used by
-    /// `emit_rust::RealizationIndexes::build` to filter declarations
-    /// by `meta_tag == Some(this)` without name lookup.
-    pub fn type_realization_meta(&self) -> Option<DeclarationId> {
-        self.realization_metas.type_realization
-    }
-
-    /// Typed accessor for the `OperatorRealization` meta-type.
-    /// Same bootstrap-failure semantics as `type_realization_meta`.
-    pub fn operator_realization_meta(&self) -> Option<DeclarationId> {
-        self.realization_metas.operator_realization
-    }
-
-    /// Typed accessor for the `BehaviorRealization` meta-type.
-    /// Same bootstrap-failure semantics as `type_realization_meta`.
-    pub fn behavior_realization_meta(&self) -> Option<DeclarationId> {
-        self.realization_metas.behavior_realization
-    }
-
-    /// Typed accessor for the `CallableRealization` meta-type.
-    /// Same bootstrap-failure semantics as `type_realization_meta`.
-    pub fn callable_realization_meta(&self) -> Option<DeclarationId> {
-        self.realization_metas.callable_realization
-    }
-
-    /// Typed accessor for the `TypeInstantiationRealization`
-    /// meta-type. Same bootstrap-failure semantics as
-    /// `type_realization_meta`.
-    pub fn type_instantiation_realization_meta(&self) -> Option<DeclarationId> {
-        self.realization_metas.type_instantiation_realization
-    }
-
-    /// Same bootstrap-failure semantics as `type_realization_meta`.
-    pub fn pattern_realization_meta(&self) -> Option<DeclarationId> {
-        self.realization_metas.pattern_realization
-    }
-
-    /// Typed accessor for the Rust target-language syntax bundle
-    /// declared in `src/v3/spec/rust.dag`.
-    pub fn rust_language_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.rust_language
-    }
-
-    /// Typed accessor for the Rust target-language ownership model
-    /// declared in `src/v3/spec/rust.dag`.
-    pub fn rust_rendering_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.rust_rendering
-    }
-
-    /// Typed accessor for the Rust `CleanEmissionContract`
-    /// declaration loaded from `src/v3/spec/rust.dag` (E-5). Callers
-    /// parse the structural fields via
-    /// `structural_fields_for_decl` and dispatch on the rule
-    /// variants. `None` before bootstrap completes or when the spec
-    /// file has been altered so the data item is missing — the
-    /// latter is a spec-file drift and surfaces at emit time as
-    /// `EmitError::MissingTargetSyntax`.
-    pub fn rust_clean_emission_spec(&self) -> Option<DeclarationId> {
-        self.rust_target_syntax_bundle()
-            .map(|bundle| bundle.clean_emission_spec)
-    }
-
-    /// Typed accessor for the Rust target authority bundle pairing
-    /// `rust_language` with its `CleanEmissionContract`.
-    pub fn rust_target_syntax_bundle(&self) -> Option<TargetSyntaxBundle> {
-        let language_spec = self.target_syntax.rust_language?;
-        Some(TargetSyntaxBundle {
-            language_spec,
-            clean_emission_spec: *self
-                .target_syntax
-                .clean_emission_by_language
-                .get(&language_spec)?,
-        })
-    }
-
-    /// Typed accessor for the Rust target execution model
-    /// declaration loaded from `src/v3/spec/rust.dag`.
-    pub fn rust_execution_model_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.rust_execution_model
-    }
-
-    pub fn rust_source_filtering_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.rust_source_filtering
-    }
-
-    pub fn rust_execution_requirement_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.rust_execution_requirement
-    }
-
-    /// Typed accessor for the source computation-model declaration
-    /// declared in `src/v3/std/computation_model.dag`.
-    pub fn computation_model_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.dag_model
-    }
-
-    /// Typed accessor for the Go target-language syntax bundle
-    /// declared in `src/v3/spec/go.dag`.
-    pub fn go_language_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.go_language
-    }
-
-    /// Typed accessor for the Go target execution model
-    /// declaration loaded from `src/v3/spec/go.dag`.
-    pub fn go_execution_model_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.go_execution_model
-    }
-
-    pub fn go_source_filtering_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.go_source_filtering
-    }
-
-    pub fn go_execution_requirement_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.go_execution_requirement
-    }
-
-    /// Typed accessor for the Go `CleanEmissionContract`
-    /// declaration loaded from `src/v3/spec/go.dag` (E-5 / Lane 1
-    /// Stage 1c PR 2). Mirrors `rust_clean_emission_spec`; emitter
-    /// parses the structural fields and dispatches on the rule
-    /// variants.
-    pub fn go_clean_emission_spec(&self) -> Option<DeclarationId> {
-        self.go_target_syntax_bundle()
-            .map(|bundle| bundle.clean_emission_spec)
-    }
-
-    /// Typed accessor for the Go target authority bundle pairing
-    /// `go_language` with its `CleanEmissionContract`.
-    pub fn go_target_syntax_bundle(&self) -> Option<TargetSyntaxBundle> {
-        let language_spec = self.target_syntax.go_language?;
-        Some(TargetSyntaxBundle {
-            language_spec,
-            clean_emission_spec: *self
-                .target_syntax
-                .clean_emission_by_language
-                .get(&language_spec)?,
-        })
-    }
-
-    /// Typed accessor for the Python target-language syntax bundle
-    /// declared in `src/v3/spec/python.dag`.
-    pub fn python_language_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.python_language
-    }
-
-    /// Typed accessor for the Python target execution model
-    /// declaration loaded from `src/v3/spec/python.dag`.
-    pub fn python_target_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.python_target
-    }
-
-    pub fn python_source_filtering_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.python_source_filtering
-    }
-
-    pub fn python_execution_requirement_spec(&self) -> Option<DeclarationId> {
-        self.target_syntax.python_execution_requirement
-    }
-
-    /// Typed accessor for the Python `CleanEmissionContract`
-    /// declaration loaded from `src/v3/spec/python.dag` (E-5 / Lane
-    /// 1 Stage 1c PR 3). Mirrors `rust_clean_emission_spec` and
-    /// `go_clean_emission_spec`; emitter parses the structural
-    /// fields and dispatches on the rule variants.
-    pub fn python_clean_emission_spec(&self) -> Option<DeclarationId> {
-        self.python_target_syntax_bundle()
-            .map(|bundle| bundle.clean_emission_spec)
-    }
-
-    /// Typed accessor for the Python target authority bundle pairing
-    /// `python_language` with its `CleanEmissionContract`.
-    pub fn python_target_syntax_bundle(&self) -> Option<TargetSyntaxBundle> {
-        let language_spec = self.target_syntax.python_language?;
-        Some(TargetSyntaxBundle {
-            language_spec,
-            clean_emission_spec: *self
-                .target_syntax
-                .clean_emission_by_language
-                .get(&language_spec)?,
-        })
-    }
-
-    /// Shared target-authority lookup keyed by the target's
-    /// `LanguageSpec` declaration id. Consumers that already traffic
-    /// in the shared emit-model language surface should resolve the
-    /// language first, then ask for the corresponding target bundle
-    /// through this accessor rather than reconstructing the
-    /// `LanguageSpec -> CleanEmissionContract` pairing themselves.
-    pub fn target_syntax_bundle_for_language(
-        &self,
-        language_spec: DeclarationId,
-    ) -> Option<TargetSyntaxBundle> {
-        Some(TargetSyntaxBundle {
-            language_spec,
-            clean_emission_spec: *self
-                .target_syntax
-                .clean_emission_by_language
-                .get(&language_spec)?,
-        })
-    }
-
-    /// Shared clean-emission lookup keyed by the target's
-    /// `LanguageSpec` declaration id. This is the
-    /// `TargetSyntaxBundle` projection for consumers that only need
-    /// the clean-emission side of the pair.
-    pub fn clean_emission_spec_for_language(
-        &self,
-        language_spec: DeclarationId,
-    ) -> Option<DeclarationId> {
-        self.target_syntax_bundle_for_language(language_spec)
-            .map(|bundle| bundle.clean_emission_spec)
-    }
-
-    /// Typed accessor for the cached `std.list.List` template.
-    pub fn list_template(&self) -> Option<DeclarationId> {
-        self.stdlib_types.list
-    }
-
-    /// The `Map` type constructor’s underlying `PartialFunction` record template
-    /// (`Map<K, V> = Inst(PartialFunction, [K, V])` in `dsl/std`). See
-    /// [`Dag::list_template`].
-    pub fn partial_function_template(&self) -> Option<DeclarationId> {
-        self.stdlib_types.partial_function
-    }
-
-    /// Typed accessor for the canonical `OrderedRing` algebra declaration.
-    /// Used by emitters for operator-field fallback without per-call name lookup.
-    pub fn ordered_ring_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.ordered_ring
-    }
-
-    /// Typed accessor for the canonical `AbelianGroup` algebra declaration.
-    pub fn abelian_group_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.abelian_group
-    }
-
-    /// Meta-type declaration id for `SubstrateAccessorBinding` data items.
-    pub fn substrate_accessor_binding_meta(&self) -> Option<DeclarationId> {
-        self.emit_anchors.substrate_accessor_binding
-    }
-
-    /// The substrate `Dag` graph type declaration id.
-    pub fn dag_type_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.dag_type
-    }
-
-    /// `std.list.fold` — list catamorphism callable declaration.
-    pub fn std_list_fold_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.std_list_fold
-    }
-
-    /// `rust_functions` syntax record from `src/v3/spec/rust.dag`.
-    pub fn rust_functions_syntax_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.rust_functions
-    }
-
-    /// `MethodEmitTemplate` coproduct parent.
-    pub(crate) fn method_emit_template_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.method_emit_template
-    }
-
-    /// `MethodTemplateContract` meta-type.
-    pub(crate) fn method_template_contract_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.method_template_contract
-    }
-
-    /// `fold_method` method declaration.
-    pub(crate) fn fold_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.fold_method
-    }
-
-    /// `concat_method` method declaration.
-    pub(crate) fn concat_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.concat_method
-    }
-
-    /// `length_method` method declaration.
-    pub(crate) fn length_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.length_method
-    }
-
-    /// `is_empty_method` method declaration.
-    pub(crate) fn is_empty_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.is_empty_method
-    }
-
-    /// `filter_method` method declaration.
-    pub(crate) fn filter_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.filter_method
-    }
-
-    /// `flat_map_method` method declaration.
-    pub(crate) fn flat_map_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.flat_map_method
-    }
-
-    /// `any_method` method declaration.
-    pub(crate) fn any_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.any_method
-    }
-
-    /// `all_method` method declaration.
-    pub(crate) fn all_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.all_method
-    }
-
-    /// `map_method` method declaration.
-    pub(crate) fn map_method_decl(&self) -> Option<DeclarationId> {
-        self.emit_anchors.map_method
-    }
-
-    /// Typed accessor for the cached `PatternBindingRule` variant
-    /// handles resolved from `src/v3/std/clean_emission.dag` at
-    /// bootstrap end. Consumed by per-target emitters when
-    /// dispatching on their `CleanEmissionContract.pattern_bindings`
-    /// field — see `PatternBindingRuleVariants` for the rationale.
-    pub(crate) fn pattern_binding_rule_variants(&self) -> &PatternBindingRuleVariants {
-        &self.pattern_binding_rule_variants
-    }
-
-    /// Typed accessor for the cached `VariantPayloadFieldAccessRule`
-    /// variant handles resolved from
-    /// `src/v3/std/clean_emission.dag`. Consumed by per-target
-    /// emitters when parsing
-    /// `CleanEmissionContract.variant_payload_field_access`.
-    pub(crate) fn variant_payload_field_access_rule_variants(
-        &self,
-    ) -> &VariantPayloadFieldAccessRuleVariants {
-        &self.variant_payload_field_access_rule_variants
-    }
-
-    /// Typed accessor for the cached `VerifierOutputPolicy` variant
-    /// handles resolved from `src/v3/std/clean_emission.dag` at
-    /// bootstrap end. Consumed by the shared `post_emit_verifier`
-    /// harness when parsing
-    /// `CleanEmissionContract.post_emit_verifier.output_policy`.
-    pub(crate) fn verifier_output_policy_variants(&self) -> &VerifierOutputPolicyVariants {
-        &self.verifier_output_policy_variants
-    }
-
-    /// Typed accessor for the cached `CallableStrategy` variant
-    /// handles resolved from `src/v3/std/emit_model.dag` at
-    /// bootstrap end. Consumed by emiters when parsing
-    /// `CallableRealization.strategy`.
-    pub(crate) fn callable_strategy_variants(&self) -> &CallableStrategyVariants {
-        &self.callable_strategy_variants
-    }
-
-    /// Typed accessor for fixed emit-model coproduct variant handles.
-    pub(crate) fn emit_model_variants(&self) -> &EmitModelVariants {
-        &self.emit_model_variants
-    }
-
-    pub fn nodes(&self) -> &[Behavior] {
-        &self.nodes
-    }
-
-    pub fn nodes_owned(&self) -> Vec<Behavior> {
-        self.nodes.clone()
-    }
-
-    pub fn declarations(&self) -> &[Declaration] {
-        &self.declarations
-    }
-
-    pub fn declarations_owned(&self) -> Vec<Declaration> {
-        self.declarations.clone()
-    }
-
-    pub fn ports(&self) -> Vec<Port> {
-        let mut ports: Vec<Port> = self.ports.values().cloned().collect();
-        ports.sort_by_key(|port| port.id().raw());
-        ports
-    }
-
-    pub fn clusters(&self) -> &[Cluster] {
-        &self.clusters
-    }
-
-    pub(crate) fn optional_match_disjs(&self) -> &HashMap<DeclarationId, DeclarationId> {
-        &self.optional_match_disjs
-    }
-
-    pub fn cluster(&self, id: ClusterId) -> &Cluster {
-        &self.clusters[id.index()]
-    }
-
-    /// Upserts a [`WorkflowEffect`] on [`Behavior`] nodes at `root` (`Value` or
-    /// `Bind` only). Writes the same `lane2_workflow` field reflected in
-    /// `substrate.dag` for `ValueNode` / `BindNode`.
-    ///
-    /// **UPSERT semantics** (`dsl/std/patterns.dag` canon): verify-first on the
-    /// existing carrier; create-if-missing; no silent overwrite when a different
-    /// effect is already staged. Returns `false` if `root` is missing, not
-    /// `Value`/`Bind`, or an incompatible `lane2_workflow` is already present.
-    pub fn try_register_lane2_workflow_effect(
-        &mut self,
-        root: NodeId,
-        workflow: WorkflowEffect,
-    ) -> bool {
-        let Some(behavior) = self.nodes.get_mut(root.index()) else {
-            return false;
-        };
-        match behavior {
-            Behavior::Value(v) => upsert_lane2_workflow_on_node(&mut v.lane2_workflow, workflow),
-            Behavior::Bind(b) => upsert_lane2_workflow_on_node(&mut b.lane2_workflow, workflow),
-            Behavior::Transform(_) | Behavior::Branch(_) | Behavior::Loop(_) => false,
-        }
-    }
-
-    /// Takes `&NodeId` (not by value) so emitted Rust lens code and substrate
-    /// accessor carriers agree with `node_opt` / `port_opt` — transform inputs
-    /// render as borrows at the explicit boundary.
-    pub fn lane2_workflow_effect_at(&self, root: &NodeId) -> Option<&WorkflowEffect> {
-        match self.node_opt(root)? {
-            Behavior::Value(v) => v.lane2_workflow(),
-            Behavior::Bind(b) => b.lane2_workflow(),
-            Behavior::Transform(_) | Behavior::Branch(_) | Behavior::Loop(_) => None,
-        }
-    }
-
-    /// Workflow-root accessor (Director-locked α implementation per
-    /// `docs/design-lens-fold-prerequisites.md` §"Prereq-3a"). Walks
-    /// `d.nodes` (which is topologically ordered) backwards and returns:
-    ///
-    /// - `WorkflowRoot::SingleRoot(p)` for the last `Behavior::Bind`'s
-    ///   `result_port`, when at least one `Bind` exists.
-    /// - `WorkflowRoot::NoRoot` when zero `Bind` behaviors are present
-    ///   (lens fold short-circuits to `DimensionFail`; runtime evaluation
-    ///   rejects).
-    /// - `WorkflowRoot::AmbiguousRoot { .. }` is intentionally never
-    ///   emitted by this α implementation — the linear `d.nodes` order
-    ///   cannot tie. The variant is reserved at the type level for the
-    ///   future enumerate-all-eligible-entries rule that R2-Evaluator's
-    ///   `evaluate(program, entry, args)` consumes.
-    pub fn workflow_root_port(&self) -> WorkflowRoot {
-        for behavior in self.nodes.iter().rev() {
-            if let Behavior::Bind(b) = behavior {
-                return WorkflowRoot::SingleRoot(b.result_port());
-            }
-        }
-        WorkflowRoot::NoRoot
-    }
-
-    /// Node id of the last [`Behavior::Bind`] in this DAG (same reverse scan as [`Self::workflow_root_port`]).
-    ///
-    /// [`Dag::try_register_lane2_workflow_effect`] accepts [`Behavior::Value`] and [`Behavior::Bind`]
-    /// only. The workflow root **port**'s `produced_by` may be a [`Behavior::Loop`] or
-    /// [`Behavior::Transform`] (e.g. `std.list.fold` lowering); staging `lane2_workflow` must target
-    /// this **Bind shell** so registration cannot silently no-op while the sequential indicator still
-    /// reads `0`.
-    pub fn workflow_lane2_subject(&self) -> Option<NodeId> {
-        for behavior in self.nodes.iter().rev() {
-            if let Behavior::Bind(_) = behavior {
-                return Some(behavior.id());
-            }
-        }
-        None
-    }
-
-    pub fn optional_match_disj(&self, cardinality_decl_id: DeclarationId) -> Option<DeclarationId> {
-        self.optional_match_disjs.get(&cardinality_decl_id).copied()
-    }
-
-    pub fn set_optional_match_disj(
-        &mut self,
-        cardinality_decl_id: DeclarationId,
-        disj_decl_id: DeclarationId,
-    ) {
-        self.optional_match_disjs
-            .insert(cardinality_decl_id, disj_decl_id);
-    }
-
-    /// O(1) lookup by NodeId. Relies on the dense-sequential allocation invariant.
-    pub fn node(&self, id: NodeId) -> &Behavior {
-        let node = &self.nodes[id.index()];
-        debug_assert_eq!(
-            node.id(),
-            id,
-            "Dag::node: NodeId desync — topological invariant broken"
-        );
-        node
-    }
-
-    /// Option-returning variant for the .dag substrate accessor
-    /// `node(d, id) -> Behavior?`. Same pattern as `port_opt`.
-    pub fn node_opt(&self, id: &NodeId) -> Option<&Behavior> {
-        self.nodes.get(id.index())
-    }
-
-    /// Producer walk for the .dag substrate accessor
-    /// Typed Bind-chain producer walk. See `ProducerLookup` for the
-    /// four discriminated outcomes; each malformed variant is a
-    /// substrate-integrity violation that consumers MUST handle
-    /// explicitly (do not collapse into `NoProducer`).
-    pub fn resolve_producer_lookup(&self, port_id: &PortId) -> ProducerLookup<'_> {
-        let bound = self.nodes.len();
-        let mut current_port = *port_id;
-        let mut last_producer: Option<NodeId> = None;
-        for _ in 0..=bound {
-            let Some(port) = self.port_opt(&current_port) else {
-                return ProducerLookup::MissingPort { port: current_port };
-            };
-            let Some(producer_id) = port.produced_by else {
-                return ProducerLookup::NoProducer;
-            };
-            let Some(behavior) = self.node_opt(&producer_id) else {
-                return ProducerLookup::MissingNode {
-                    producer: producer_id,
-                };
-            };
-            last_producer = Some(producer_id);
-            match behavior {
-                Behavior::Bind(bind) => {
-                    current_port = bind.value;
-                    continue;
-                }
-                _ => return ProducerLookup::Found(behavior),
-            }
-        }
-        // Walk exceeded `nodes.len()` hops — only possible on a cyclic
-        // Bind chain. Report the last Bind node visited.
-        ProducerLookup::BindCycle {
-            detected_at: last_producer.expect("walk visited at least one Bind"),
-        }
-    }
-
-    /// Compat wrapper over `resolve_producer_lookup`: maps the typed
-    /// result to `Option<&Behavior>`, **collapsing** all malformed
-    /// states (`MissingPort`, `MissingNode`, `BindCycle`) into `None`
-    /// alongside legitimate `NoProducer`. Only use when malformed-
-    /// substrate equivalence to absence is the intended semantics
-    /// (e.g., callers that already wrap `None` in a fail-closed
-    /// diagnostic via `ok_or`); prefer `resolve_producer_lookup` when
-    /// the consumer must distinguish the five variants.
-    pub fn resolve_producer_opt(&self, port_id: &PortId) -> Option<&Behavior> {
-        match self.resolve_producer_lookup(port_id) {
-            ProducerLookup::Found(b) => Some(b),
-            ProducerLookup::NoProducer
-            | ProducerLookup::MissingPort { .. }
-            | ProducerLookup::MissingNode { .. }
-            | ProducerLookup::BindCycle { .. } => None,
-        }
-    }
-
-    /// O(1) lookup by DeclarationId. Same dense-sequential invariant as nodes.
-    pub fn declaration(&self, id: DeclarationId) -> &Declaration {
-        let decl = &self.declarations[id.index()];
-        debug_assert_eq!(
-            decl.id, id,
-            "Dag::declaration: DeclarationId desync — allocation invariant broken"
-        );
-        decl
-    }
-
-    /// Option-returning variant for the .dag substrate accessor
-    /// `declaration_by_id(d, id) -> Declaration?`. Same pattern as `node_opt`
-    /// / `port_opt`: permissive at the reflected-substrate boundary; C-8
-    /// fail-closed is enforced at the lens consumer that treats `None` as a
-    /// substrate-integrity violation (valid ids can't legitimately miss).
-    pub fn declaration_opt(&self, id: &DeclarationId) -> Option<&Declaration> {
-        self.declarations.get(id.index())
-    }
-
-    /// **🟡 Scaffold — v3 migration preference rank.** Ranks declarations by
-    /// source-tree location so that same-named declarations in `src/v3/` win
-    /// over `dsl/` duplicates during the bootstrap window. This rule is a
-    /// ratified-parallel-authority pattern (P2 Boundary Discipline), kept
-    /// as a scaffold rather than deleted because the duplicates it resolves
-    /// carry v3-only content (`v3.std.substrate` imports, `ElementRef` /
-    /// `PortId` references, partitioned `EffectShape`, substrate-coupled
-    /// diagnostic surface) that cannot yet be hosted under `dsl/std/` — v2
-    /// CI still recursively ingests `dsl/` and cannot parse v3 grammar.
-    ///
-    /// **Dissolution trigger.** When every module currently duplicated
-    /// between `dsl/std/` and `src/v3/std/` (or `src/v3/spec/`) has
-    /// converged to a single canonical home, delete this preference rule
-    /// and the mirrored policy in `lower.rs::collect_symbols`. After
-    /// convergence there must be no rank-based duplicate-authority bridge:
-    /// lookup either resolves against the single surviving authority or
-    /// fails closed on multiple matches. Convergence checklist tracked in
-    /// ROADMAP.md "Post-merge debt" under the file-preference scaffold row:
-    ///   - `module std.effects` (`dsl/std/effects.dag` ↔ `src/v3/std/effects.dag`)
-    ///   - `module std.verification` (`dsl/std/verification.dag` ↔ `src/v3/std/verification.dag`)
-    ///   - embedded `http_path` mirror inside `src/v3/std/effects.dag:118-260`
-    ///   - `module std.computation` (`dsl/std/computation.dag` ↔ `src/v3/std/computation.dag`)
-    ///   - `module std.induction` (`dsl/std/induction.dag` ↔ `src/v3/std/induction.dag`)
-    ///   - `module std.termination` (`dsl/std/termination.dag` ↔ `src/v3/std/termination.dag`)
-    fn declaration_name_preference_rank(file: &str) -> usize {
-        if file.starts_with("src/v3/") {
-            2
-        } else if file.starts_with("dsl/") {
-            0
-        } else {
-            1
-        }
-    }
-
-    /// Find a top-level declaration by name. During the duplicate-authority
-    /// bootstrap window this applies the temporary preference scaffold:
-    /// `src/v3/` declarations outrank legacy `dsl/` duplicates; equal-rank
-    /// ties remain deterministic by scan order but are not a semantic rule.
-    ///
-    /// **The preference bias is a v3-migration scaffold**, not a durable
-    /// lookup policy — see `declaration_name_preference_rank` for the
-    /// dissolution trigger. Once duplicate `std.effects` /
-    /// `std.verification` authorities converge to a single home this
-    /// function should drop the rank-based bridge and require
-    /// single-authority lookup, failing closed on multiple matches.
-    ///
-    /// **Dissolution trigger.** Once duplicate authorities converge,
-    /// delete the preference scaffold and require single-authority
-    /// lookup; multiple surviving matches become a fail-closed error.
-    ///
-    /// **This scan only finds declarations that carry a surface-
-    /// visible name** — TypeParams, sum variants, and realization
-    /// scaffolds are allocated with `name: None` and are intentionally
-    /// unreachable here. Referring to a type parameter, variant
-    /// constructor, or realization instance by name outside its
-    /// parent's body is a compile error, not silent mis-resolution.
-    pub fn declaration_by_name(&self, name: &str) -> Option<&Declaration> {
-        self.declarations
-            .iter()
-            .filter(|d| d.name.as_deref() == Some(name))
-            .max_by_key(|decl| {
-                (
-                    Self::declaration_name_preference_rank(&decl.span.file),
-                    std::cmp::Reverse(decl.id.raw()),
-                )
-            })
-    }
-
-    /// Typed accessor for the `rust_grounding_primitives` data declaration
-    /// from `dsl/extdeps/languages/rust/primitives.dag` (path authorized by
-    /// B4.4 `bootstrap_fixture_authority` and the regen host's
-    /// `BOOTSTRAP_FIXTURE_PATH_KEYS` filter over `EXTDEPS_FILES`). Returns the
-    /// top-level `List<RustPrimitive>` declaration whose *type* the
-    /// target-grounding engine walks structurally (`RustPrimitive =
-    /// IntegerPrimitive | NonIntegerPrimitive {target_name, algebra,
-    /// carrier, is_copy[, overflow]}`).
-    ///
-    /// **Path 2 satisfaction.** The returned declaration's `value_body`
-    /// is `ValueBody::List(_)`, so both the sum type shape and the
-    /// 10-element pilot enumeration are structurally walkable. Map-shaped
-    /// bootstrap data such as `kernel_algebra_profile` now lowers through
-    /// `ValueBody::Map`; the remaining debt is retiring Rust mirrors that
-    /// still read those maps through hand-authored accessors.
-    ///
-    /// Returns `None` only when bootstrap failed to load
-    /// `rust/primitives.dag`, in which case a diagnostic is already on
-    /// `Dag.diagnostics`.
-    pub fn rust_grounding_primitives(&self) -> Option<&Declaration> {
-        self.declaration_by_name("rust_grounding_primitives")
-    }
-
-    /// Typed accessor for `data kernel_algebra_profile` in
-    /// `dsl/std/algebra.dag`.
-    ///
-    /// This is the v3-side substrate authority for kernel algebra enrichment:
-    /// the map is lowered as [`ValueBody::Map`], keys are kernel type names,
-    /// and values are zero-payload `AlgebraProfile` variants. Returning `None`
-    /// means either the key is absent or the lowered declaration is malformed;
-    /// callers treat both as "no kernel algebra profile for this type".
-    pub fn kernel_algebra_profile(&self, type_name: &str) -> Option<AlgebraProfile> {
-        let decl = self.declaration_by_name("kernel_algebra_profile")?;
-        let ValueBody::Map(entries) = decl.value_body.as_ref()? else {
-            return None;
-        };
-        let (_, value) = entries.entries().iter().find(|(key, _)| key == type_name)?;
-        self.algebra_profile_from_field_value(value)
-    }
-
-    fn algebra_profile_from_field_value(&self, value: &FieldValue) -> Option<AlgebraProfile> {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = value
-        else {
-            return None;
-        };
-        if !payload.is_empty() {
-            return None;
-        }
-
-        let profile_decl = self.declaration_by_name("AlgebraProfile")?;
-        let TypeConnective::Disj { variants } = &profile_decl.connective else {
-            return None;
-        };
-        let label = variants
-            .iter()
-            .find(|variant| variant.ty == *constructor)?
-            .label
-            .as_str();
-        match label {
-            "OrderedRingProfile" => Some(AlgebraProfile::OrderedRingProfile),
-            "ApproximateFieldProfile" => Some(AlgebraProfile::ApproximateFieldProfile),
-            "BooleanAlgebraProfile" => Some(AlgebraProfile::BooleanAlgebraProfile),
-            "BooleanAlgebraCollectionProfile" => {
-                Some(AlgebraProfile::BooleanAlgebraCollectionProfile)
-            }
-            "FreeMonoidScalarProfile" => Some(AlgebraProfile::FreeMonoidScalarProfile),
-            "FreeMonoidCollectionProfile" => Some(AlgebraProfile::FreeMonoidCollectionProfile),
-            "PartialFunctionProfile" => Some(AlgebraProfile::PartialFunctionProfile),
-            _ => None,
-        }
-    }
-
-    /// Virtual paths from the B4.4 extdeps-bootstrap fixture carrier
-    /// (`bootstrap_fixture_authority` in
-    /// `src/v3/std/extdeps_bootstrap_fixtures.dag`), in the order fields
-    /// appear on the lowered `ValueBody::Structural` body.
-    ///
-    /// Returns `None` if the declaration is missing, has no structural body, or
-    /// any fixture slot fails shape checks. Returns `Some` even when the product
-    /// has zero fields (degenerate); callers that require a non-empty set should
-    /// assert separately.
-    ///
-    /// Used to keep the regen host's `BOOTSTRAP_FIXTURE_PATH_KEYS` filter
-    /// aligned with the substrate declaration (compared in this module's bootstrap
-    /// `LazyLock` initializers).
-    pub fn bootstrap_fixture_virtual_paths(&self) -> Option<Vec<String>> {
-        let decl = self.declaration_by_name("bootstrap_fixture_authority")?;
-        let body = decl.value_body.as_ref()?;
-        let ValueBody::Structural { fields } = body else {
-            return None;
-        };
-        let mut out = Vec::with_capacity(fields.len());
-        for (_slot, fv) in fields {
-            out.push(extdeps_fixture_entry_virtual_path(fv)?);
-        }
-        Some(out)
-    }
-
-    /// DB-10 (3a.2): read the compile-time value body attached to a
-    /// declaration. Returns `None` for declarations without a
-    /// value body (type aliases, bare type declarations, function
-    /// declarations); returns `Some(&ValueBody)` for every `data`
-    /// declaration — including `ValueBody::Unparsed` scaffolds
-    /// whose body shape wasn't recognizable. Consumers that need
-    /// an inhabitance-checked body must match on the variant
-    /// directly and handle `Unparsed` explicitly; this accessor
-    /// does not filter scaffolds.
-    ///
-    /// Used by dotted-path lowering (to inline record-field values
-    /// at use sites) and by any future emission-time consumer that
-    /// wants to render a declared constant directly.
-    pub fn data_value_at(&self, id: DeclarationId) -> Option<&ValueBody> {
-        self.declaration(id).value_body.as_ref()
-    }
-
-    pub fn port(&self, id: PortId) -> &Port {
-        self.ports.get(&id).expect("PortId not in dag")
-    }
-
-    /// Option-returning variant for the .dag substrate accessor
-    /// `port(d, id) -> DagPort?`. DB-14 wires this to the generated
-    /// Rust via a carrier template; callers that need fail-closed
-    /// carriers use this instead of `port`.
-    pub fn port_opt(&self, id: &PortId) -> Option<&Port> {
-        self.ports.get(id)
-    }
-
-    pub fn all_ports(&self) -> impl Iterator<Item = &Port> {
-        self.ports.values()
-    }
-
-    pub fn diagnostics(&self) -> &DiagnosticTable {
-        &self.diagnostics
-    }
-
-    // --- crate-private mutators: construction + inference ---
-
-    pub(crate) fn alloc_node_id(&mut self) -> NodeId {
-        let id = NodeId(self.next_node_id);
-        self.next_node_id += 1;
-        id
-    }
-
-    pub(crate) fn alloc_declaration_id(&mut self) -> DeclarationId {
-        let id = DeclarationId(self.next_declaration_id);
-        self.next_declaration_id += 1;
-        id
-    }
-
-    pub(crate) fn alloc_port(&mut self, produced_by: Option<NodeId>) -> PortId {
-        let id = PortId(self.next_port_id);
-        self.next_port_id += 1;
-        self.ports.insert(
-            id,
-            Port {
-                id,
-                state: PortState::Uninferred,
-                produced_by,
-            },
-        );
-        id
-    }
-
-    pub(crate) fn push_node(&mut self, behavior: Behavior) {
-        debug_assert_eq!(
-            behavior.id().index(),
-            self.nodes.len(),
-            "push_node out of sequence — topological invariant broken"
-        );
-        self.nodes.push(behavior);
-    }
-
-    pub(crate) fn push_cluster(&mut self, cluster: Cluster) -> ClusterId {
-        let id = ClusterId(self.clusters.len() as u32);
-        self.clusters.push(cluster);
-        id
-    }
-
-    /// Mutable access to the computation-graph node vector. Scoped to
-    /// the post-infer pattern resolution pass that rewrites
-    /// `BranchPattern::UnresolvedVariant` entries into
-    /// `ResolvedVariant(DeclarationId)` — a localized structural
-    /// update, not a general mutation channel.
-    pub(crate) fn nodes_mut(&mut self) -> &mut [Behavior] {
-        &mut self.nodes
-    }
-
-    pub(crate) fn push_declaration(&mut self, declaration: Declaration) {
-        debug_assert_eq!(
-            declaration.id.index(),
-            self.declarations.len(),
-            "push_declaration out of sequence — allocation invariant broken"
-        );
-        self.declarations.push(declaration);
-    }
-
-    /// Mutable access to a declaration, scoped to lowering's second pass where
-    /// Identifier atoms get their `resolved: Some(_)` slot filled in. No
-    /// external mutator; resolution is an internal phase of lowering.
-    pub(crate) fn declaration_mut(&mut self, id: DeclarationId) -> &mut Declaration {
-        &mut self.declarations[id.index()]
-    }
-
-    pub(crate) fn patch_bind_value(&mut self, bind_id: NodeId, value: PortId) {
-        let Some(Behavior::Bind(bind_node)) = self.nodes.get_mut(bind_id.index()) else {
-            return;
-        };
-        bind_node.value = value;
-    }
-
-    pub(crate) fn set_port_producer(&mut self, port: PortId, produced_by: Option<NodeId>) {
-        let Some(existing) = self.ports.get_mut(&port) else {
-            return;
-        };
-        existing.produced_by = produced_by;
-    }
-
-    /// Transition a port from Uninferred to Resolved. Idempotent when the new
-    /// type matches the existing Resolved type. Skips Unresolved ports — once
-    /// Unresolved, stays so (otherwise the biconditional breaks).
-    pub(crate) fn set_port_type(&mut self, id: PortId, ty: TypeShape) {
-        if let Some(port) = self.ports.get_mut(&id) {
-            if matches!(port.state, PortState::Unresolved) {
-                return;
-            }
-            port.state = PortState::Resolved(ty);
-        }
-    }
-
-    /// Enforced public API for transitioning a port to Unresolved. Atomically:
-    /// marks the port AND records the diagnostic. There is NO other way to
-    /// construct an Unresolved port state.
-    ///
-    /// Biconditional invariant, held by construction:
-    ///   port.state == Unresolved  iff  diagnostics.contains(port_id)
-    pub(crate) fn mark_unresolved(&mut self, port: PortId, diagnostic: Diagnostic) {
-        self.mark_unresolved_with_attribution(
-            port,
-            diagnostic,
-            DiagnosticAttribution::Unattributed,
-        );
-    }
-
-    /// `mark_unresolved` carrying an explicit
-    /// [`DiagnosticAttribution`]. The diagnostic is recorded against
-    /// the same fail-closed biconditional as ordinary
-    /// `mark_unresolved`; the attribution rides alongside on
-    /// [`DiagnosticTable`] so consumers can dispatch bootstrap-vs-user
-    /// origins without scanning `SourceSpan.file`.
-    pub(crate) fn mark_unresolved_with_attribution(
-        &mut self,
-        port: PortId,
-        diagnostic: Diagnostic,
-        attribution: DiagnosticAttribution,
-    ) {
-        if let Some(p) = self.ports.get_mut(&port) {
-            p.state = PortState::Unresolved;
-        }
-        self.diagnostics.insert(port, diagnostic, attribution);
-    }
-
-    /// Attach a diagnostic to the Dag without a pre-existing port anchor.
-    /// Allocates a detached phantom port as the diagnostic carrier so the
-    /// existing fail-closed biconditional still holds. Used by
-    /// bootstrap / lowering for failures that don't have a natural
-    /// PortId (unresolved declarations, tokenize/parse errors on
-    /// bootstrap fixtures, duplicate top-level declarations, etc.).
-    /// `compile_to_dag` surfaces these through `Err(CompileError::Semantic)`.
-    ///
-    /// Records [`DiagnosticAttribution::Unattributed`]. Bootstrap
-    /// loaders attaching tokenize/parse/fixture failures against a
-    /// substrate `bootstrap_authority` row should call
-    /// [`Self::attach_bootstrap_diagnostic`] instead so verification
-    /// consumers get a structural witness rather than a path string.
-    pub(crate) fn attach_diagnostic(&mut self, diagnostic: Diagnostic) {
-        let port = self.alloc_port(None);
-        self.mark_unresolved(port, diagnostic);
-    }
-
-    /// Sibling of [`Self::attach_diagnostic`] for diagnostics raised
-    /// while loading or patching a substrate `bootstrap_authority` row.
-    /// Allocates the same detached phantom port (no fabricated producer
-    /// node) but records
-    /// [`DiagnosticAttribution::BootstrapAuthority(key)`] so consumers
-    /// can recover bootstrap origin via witness identity instead of a
-    /// `SourceSpan.file` string compare.
-    pub(crate) fn attach_bootstrap_diagnostic(
-        &mut self,
-        authority: BootstrapAuthorityKey,
-        diagnostic: Diagnostic,
-    ) {
-        let port = self.alloc_port(None);
-        self.mark_unresolved_with_attribution(
-            port,
-            diagnostic,
-            DiagnosticAttribution::BootstrapAuthority(authority),
-        );
-    }
-
-    /// Populate `primitives` by reading the declaration table for the
-    /// three canonical primitive roles. Called once at the end of
-    /// `bootstrap()` after all std/ modules are loaded and cross-file
-    /// references are resolved. Any role not found stays `None` —
-    /// the bootstrap failure is already on the diagnostic table and
-    /// downstream consumers surface the missing role through the
-    /// ordinary channel.
-    pub(crate) fn populate_primitive_cache(&mut self) {
-        self.primitives.int = self
-            .declaration_by_name("Int")
-            .map(|d| TypeShape::new(d.id));
-        self.primitives.bool = self
-            .declaration_by_name("Bool")
-            .map(|d| TypeShape::new(d.id));
-        self.primitives.string = self
-            .declaration_by_name("String")
-            .map(|d| TypeShape::new(d.id));
-
-        // Substrate marker resolution. Pulls each marker
-        // declaration from `src/v3/spec/v3_l1.dag` by its declared
-        // name and stores the typed handle. The lookup happens
-        // once at bootstrap end; downstream consumers
-        // (`lower_record_to_structural`, `emit_rust`) read the
-        // typed handle via `bind_marker()` / `branch_marker()` /
-        // etc. without any runtime name strings.
-        self.substrate_markers.value = self.declaration_by_name("ValueBehavior").map(|d| d.id);
-        self.substrate_markers.transform = self.declaration_by_name("Transform").map(|d| d.id);
-        self.substrate_markers.branch = self.declaration_by_name("Branch").map(|d| d.id);
-        self.substrate_markers.r#loop = self.declaration_by_name("Loop").map(|d| d.id);
-        self.substrate_markers.bind = self.declaration_by_name("Bind").map(|d| d.id);
-        self.substrate_markers.main = self.declaration_by_name("Main").map(|d| d.id);
-        self.substrate_markers.declaration_ref =
-            self.declaration_by_name("DeclarationRef").map(|d| d.id);
-
-        // Realization meta-type resolution. Pulls each realization
-        // category meta-type from `src/v3/spec/rust.dag` (and any
-        // future per-target spec file) by its declared name and
-        // stores the typed handle. Same one-time-at-bootstrap-end
-        // pattern as substrate markers above. The lookup is the
-        // single bridge from name space to id space; every
-        // downstream consumer reads the typed accessor.
-        self.realization_metas.type_realization =
-            self.declaration_by_name("TypeRealization").map(|d| d.id);
-        self.realization_metas.operator_realization = self
-            .declaration_by_name("OperatorRealization")
-            .map(|d| d.id);
-        self.realization_metas.behavior_realization = self
-            .declaration_by_name("BehaviorRealization")
-            .map(|d| d.id);
-        self.realization_metas.callable_realization = self
-            .declaration_by_name("CallableRealization")
-            .map(|d| d.id);
-        self.realization_metas.type_instantiation_realization = self
-            .declaration_by_name("TypeInstantiationRealization")
-            .map(|d| d.id);
-        self.realization_metas.pattern_realization =
-            self.declaration_by_name("PatternRealization").map(|d| d.id);
-        self.target_syntax.rust_language = self.declaration_by_name("rust_language").map(|d| d.id);
-        self.target_syntax.rust_rendering =
-            self.declaration_by_name("rust_rendering").map(|d| d.id);
-        self.target_syntax.rust_execution_model = self
-            .declaration_by_name("rust_execution_model")
-            .map(|d| d.id);
-        self.target_syntax.rust_source_filtering = self
-            .declaration_by_name("rust_source_filtering")
-            .map(|d| d.id);
-        self.target_syntax.rust_execution_requirement = self
-            .declaration_by_name("rust_execution_requirement")
-            .map(|d| d.id);
-        self.target_syntax.dag_model = self.declaration_by_name("dag_model").map(|d| d.id);
-        self.target_syntax.go_language = self.declaration_by_name("go_language").map(|d| d.id);
-        self.target_syntax.go_execution_model =
-            self.declaration_by_name("go_execution_model").map(|d| d.id);
-        self.target_syntax.go_source_filtering = self
-            .declaration_by_name("go_source_filtering")
-            .map(|d| d.id);
-        self.target_syntax.go_execution_requirement = self
-            .declaration_by_name("go_execution_requirement")
-            .map(|d| d.id);
-        self.target_syntax.python_language =
-            self.declaration_by_name("python_language").map(|d| d.id);
-        self.target_syntax.python_target = self.declaration_by_name("python_target").map(|d| d.id);
-        self.target_syntax.python_source_filtering = self
-            .declaration_by_name("python_source_filtering")
-            .map(|d| d.id);
-        self.target_syntax.python_execution_requirement = self
-            .declaration_by_name("python_execution_requirement")
-            .map(|d| d.id);
-        self.populate_target_clean_emission_bindings();
-        self.stdlib_types.list = self.declaration_by_name("List").map(|d| d.id);
-        self.stdlib_types.partial_function =
-            self.declaration_by_name("PartialFunction").map(|d| d.id);
-
-        self.emit_anchors.ordered_ring = self.declaration_by_name("OrderedRing").map(|d| d.id);
-        self.emit_anchors.abelian_group = self.declaration_by_name("AbelianGroup").map(|d| d.id);
-        self.emit_anchors.substrate_accessor_binding = self
-            .declaration_by_name("SubstrateAccessorBinding")
-            .map(|d| d.id);
-        self.emit_anchors.dag_type = self.declaration_by_name("Dag").map(|d| d.id);
-        self.emit_anchors.std_list_fold = self.declaration_by_name("fold").map(|d| d.id);
-        self.emit_anchors.rust_functions = self.declaration_by_name("rust_functions").map(|d| d.id);
-        self.emit_anchors.method_emit_template =
-            self.declaration_by_name("MethodEmitTemplate").map(|d| d.id);
-        self.emit_anchors.method_template_contract = self
-            .declaration_by_name("MethodTemplateContract")
-            .map(|d| d.id);
-        self.emit_anchors.concat_method = self.declaration_by_name("concat_method").map(|d| d.id);
-        self.emit_anchors.length_method = self.declaration_by_name("length_method").map(|d| d.id);
-        self.emit_anchors.fold_method = self.declaration_by_name("fold_method").map(|d| d.id);
-        self.emit_anchors.is_empty_method =
-            self.declaration_by_name("is_empty_method").map(|d| d.id);
-        self.emit_anchors.filter_method = self.declaration_by_name("filter_method").map(|d| d.id);
-        self.emit_anchors.flat_map_method =
-            self.declaration_by_name("flat_map_method").map(|d| d.id);
-        self.emit_anchors.any_method = self.declaration_by_name("any_method").map(|d| d.id);
-        self.emit_anchors.all_method = self.declaration_by_name("all_method").map(|d| d.id);
-        self.emit_anchors.map_method = self.declaration_by_name("map_method").map(|d| d.id);
-
-        // `PatternBindingRule` variant resolution. Walks the
-        // `std/clean_emission.dag` declaration's `Disj` variants
-        // once at bootstrap end and caches the typed id per label.
-        // Consumers in `emit_rust` / `emit_go` / (future)
-        // `emit_python` read these typed handles instead of each
-        // calling `named_variant_id` four times per contract parse.
-        let mut pattern_binding_variants = PatternBindingRuleVariants::default();
-        if let Some(parent) = self.declaration_by_name("PatternBindingRule") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "EmitBindingAlways" => {
-                            pattern_binding_variants.emit_always = Some(variant.ty);
-                        }
-                        "EmitUnderscoreWhenUnused" => {
-                            pattern_binding_variants.emit_underscore = Some(variant.ty);
-                        }
-                        "EmitPrefixedUnderscoreWhenUnused" => {
-                            pattern_binding_variants.emit_prefixed = Some(variant.ty);
-                        }
-                        "NotApplicablePatternBinding" => {
-                            pattern_binding_variants.not_applicable = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        self.pattern_binding_rule_variants = pattern_binding_variants;
-
-        let mut variant_payload_field_access_variants =
-            VariantPayloadFieldAccessRuleVariants::default();
-        if let Some(parent) = self.declaration_by_name("VariantPayloadFieldAccessRule") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "AccessFromPayloadBinding" => {
-                            variant_payload_field_access_variants.access_from_payload_binding =
-                                Some(variant.ty);
-                        }
-                        "OverrideNamedFieldsAtBindingSite" => {
-                            variant_payload_field_access_variants
-                                .override_named_fields_at_binding_site = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        self.variant_payload_field_access_rule_variants = variant_payload_field_access_variants;
-
-        // `VerifierOutputPolicy` variant resolution. Same shape as
-        // the pattern-binding cache above: one walk of the Disj's
-        // variants at bootstrap end, then every downstream consumer
-        // (`post_emit_verifier::parse_output_policy` today; Lane 1e
-        // generic walker tomorrow) dispatches on cached typed ids.
-        // Resolving by variant.label at parse time would reintroduce
-        // the same name-bridge pattern PR 2.5 removed from the
-        // PatternBindingRule path.
-        let mut verifier_policy_variants = VerifierOutputPolicyVariants::default();
-        if let Some(parent) = self.declaration_by_name("VerifierOutputPolicy") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "IgnoreVerifierOutput" => {
-                            verifier_policy_variants.ignore_output = Some(variant.ty);
-                        }
-                        "RequireEmptyStdout" => {
-                            verifier_policy_variants.require_empty_stdout = Some(variant.ty);
-                        }
-                        "RequireEmptyStderr" => {
-                            verifier_policy_variants.require_empty_stderr = Some(variant.ty);
-                        }
-                        "RequireEmptyStdoutAndStderr" => {
-                            verifier_policy_variants.require_empty_stdout_and_stderr =
-                                Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        self.verifier_output_policy_variants = verifier_policy_variants;
-
-        let mut callable_strategy_variants = CallableStrategyVariants::default();
-        if let Some(parent) = self.declaration_by_name("CallableStrategy") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "ListEmpty" => {
-                            callable_strategy_variants.list_empty = Some(variant.ty);
-                        }
-                        "ListSingleton" => {
-                            callable_strategy_variants.list_singleton = Some(variant.ty);
-                        }
-                        "ListCons" => {
-                            callable_strategy_variants.list_cons = Some(variant.ty);
-                        }
-                        "ListConcat" => {
-                            callable_strategy_variants.list_concat = Some(variant.ty);
-                        }
-                        "ListLength" => {
-                            callable_strategy_variants.list_length = Some(variant.ty);
-                        }
-                        "ListIsEmpty" => {
-                            callable_strategy_variants.list_is_empty = Some(variant.ty);
-                        }
-                        "ListFold" => {
-                            callable_strategy_variants.list_fold = Some(variant.ty);
-                        }
-                        "ListMap" => {
-                            callable_strategy_variants.list_map = Some(variant.ty);
-                        }
-                        "ListFilter" => {
-                            callable_strategy_variants.list_filter = Some(variant.ty);
-                        }
-                        "ListContains" => {
-                            callable_strategy_variants.list_contains = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        self.callable_strategy_variants = callable_strategy_variants;
-
-        let mut emit_model_variants = EmitModelVariants::default();
-        if let Some(parent) = self.declaration_by_name("PatternStrategy") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    if variant.label == "VectorList" {
-                        emit_model_variants.pattern_strategy.vector_list = Some(variant.ty);
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("FieldAccess") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "DirectField" => {
-                            emit_model_variants.field_access.direct_field = Some(variant.ty);
-                        }
-                        "AccessorMethod" => {
-                            emit_model_variants.field_access.accessor_method = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("ParameterDisposition") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "Borrowed" => {
-                            emit_model_variants.parameter_disposition.borrowed = Some(variant.ty);
-                        }
-                        "Consumed" => {
-                            emit_model_variants.parameter_disposition.consumed = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("MemoryModel") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "ValueOnly" => {
-                            emit_model_variants.memory_model.value_only = Some(variant.ty);
-                        }
-                        "GarbageCollected" => {
-                            emit_model_variants.memory_model.garbage_collected = Some(variant.ty);
-                        }
-                        "RefCounted" => {
-                            emit_model_variants.memory_model.ref_counted = Some(variant.ty);
-                        }
-                        "OwnershipBased" => {
-                            emit_model_variants.memory_model.ownership_based = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("ScopeModel") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "LexicalScoping" => {
-                            emit_model_variants.scope_model.lexical_scoping = Some(variant.ty);
-                        }
-                        "DynamicScoping" => {
-                            emit_model_variants.scope_model.dynamic_scoping = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("ReadStrategy") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "Borrow" => {
-                            emit_model_variants.read_strategy.borrow = Some(variant.ty);
-                        }
-                        "PassByValue" => {
-                            emit_model_variants.read_strategy.pass_by_value = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("ConstructStrategy") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "CopyOrClone" => {
-                            emit_model_variants.construct_strategy.copy_or_clone = Some(variant.ty);
-                        }
-                        "PassByValue" => {
-                            emit_model_variants.construct_strategy.pass_by_value = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("Mutability") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "Immutable" => {
-                            emit_model_variants.mutability.immutable = Some(variant.ty);
-                        }
-                        "Mutable" => {
-                            emit_model_variants.mutability.mutable = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("Purity") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "Pure" => {
-                            emit_model_variants.purity.pure = Some(variant.ty);
-                        }
-                        "Effectful" => {
-                            emit_model_variants.purity.effectful = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("Structure") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "ExplicitDAG" => {
-                            emit_model_variants.structure.explicit_dag = Some(variant.ty);
-                        }
-                        "Arbitrary" => {
-                            emit_model_variants.structure.arbitrary = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        if let Some(parent) = self.declaration_by_name("Iteration") {
-            if let TypeConnective::Disj { variants } = &parent.connective {
-                for variant in variants {
-                    match variant.label.as_str() {
-                        "Bounded" => {
-                            emit_model_variants.iteration.bounded = Some(variant.ty);
-                        }
-                        "Unbounded" => {
-                            emit_model_variants.iteration.unbounded = Some(variant.ty);
-                        }
-                        _ => {}
-                    }
-                }
-            }
-        }
-        self.emit_model_variants = emit_model_variants;
-    }
-
-    fn populate_target_clean_emission_bindings(&mut self) {
-        self.target_syntax.clean_emission_by_language.clear();
-        let Some(binding_meta) = self
-            .declaration_by_name("TargetCleanEmissionBinding")
-            .map(|d| d.id)
-        else {
-            return;
-        };
-        let language_spec_meta = self.declaration_by_name("LanguageSpec").map(|d| d.id);
-        let clean_emission_meta = self
-            .declaration_by_name("CleanEmissionContract")
-            .map(|d| d.id);
-        let mut clean_emission_by_language = HashMap::new();
-        let mut duplicate_languages = HashSet::new();
-        let mut diagnostics = Vec::new();
-
-        for declaration in &self.declarations {
-            if declaration.meta_tag != Some(binding_meta) {
-                continue;
-            }
-            let Some(ValueBody::Structural { fields }) = declaration.value_body.as_ref() else {
-                diagnostics.push(malformed_target_clean_emission_binding(
-                    declaration,
-                    "must carry a structural value_body",
-                ));
-                continue;
-            };
-            let Some(language) = binding_reference_field(fields, "language") else {
-                diagnostics.push(malformed_target_clean_emission_binding(
-                    declaration,
-                    "is missing `language: DeclarationRef`",
-                ));
-                continue;
-            };
-            let Some(clean_emission) = binding_reference_field(fields, "clean_emission") else {
-                diagnostics.push(malformed_target_clean_emission_binding(
-                    declaration,
-                    "is missing `clean_emission: DeclarationRef`",
-                ));
-                continue;
-            };
-            if language_spec_meta
-                .is_some_and(|meta| self.declaration(language).meta_tag != Some(meta))
-            {
-                diagnostics.push(malformed_target_clean_emission_binding(
-                    declaration,
-                    "`language` must reference a LanguageSpec declaration",
-                ));
-                continue;
-            }
-            if clean_emission_meta
-                .is_some_and(|meta| self.declaration(clean_emission).meta_tag != Some(meta))
-            {
-                diagnostics.push(malformed_target_clean_emission_binding(
-                    declaration,
-                    "`clean_emission` must reference a CleanEmissionContract declaration",
-                ));
-                continue;
-            }
-            if duplicate_languages.contains(&language) {
-                continue;
-            }
-            if clean_emission_by_language
-                .insert(language, clean_emission)
-                .is_some()
-            {
-                clean_emission_by_language.remove(&language);
-                duplicate_languages.insert(language);
-                diagnostics.push(duplicate_target_clean_emission_binding(
-                    self,
-                    declaration,
-                    language,
-                ));
-            }
-        }
-
-        self.target_syntax.clean_emission_by_language = clean_emission_by_language;
-        for diagnostic in diagnostics {
-            self.attach_diagnostic(diagnostic);
-        }
-    }
-
-    pub fn param_of(&self, member: NodeId, slot: usize) -> Option<ParamRef> {
-        let bind = self.node(member).as_bind()?;
-        bind.params.get(slot)?;
-        Some(ParamRef { member, slot })
-    }
-
-    /// Sole Bool-validating constructor: returns a [`BoolPortRef`] when `port`
-    /// resolves to the `Bool` primitive (Track 9 parity with [`Dag::param_of`]
-    /// / [`Dag::as_transform_ref`]). Build [`BranchArm`] with [`BranchArm::new`].
-    pub fn bool_port_of(&self, port: PortId) -> Option<BoolPortRef> {
-        let bool_ty = self.bool_shape()?;
-        let p = self.port_opt(&port)?;
-        let ty = p.value_type()?;
-        if *ty != bool_ty {
-            return None;
-        }
-        Some(BoolPortRef { port })
-    }
-
-    /// Fail-closed wrapper for data-declaration lowering: on success returns the
-    /// same witness as [`Dag::bool_port_of`]; on failure records
-    /// [`Diagnostic::BranchConditionNotBool`] (C-8) and returns `None`.
-    pub fn bool_port_for_branch_condition_or_diagnose(
-        &mut self,
-        port: PortId,
-        condition_span: SourceSpan,
-    ) -> Option<BoolPortRef> {
-        if let Some(r) = self.bool_port_of(port) {
-            return Some(r);
-        }
-        let actual_type = self.port_opt(&port).and_then(|p| p.value_type().cloned());
-        self.attach_diagnostic(Diagnostic::BranchConditionNotBool {
-            port,
-            actual_type,
-            span: condition_span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "BranchConditionNotBool",
-            ),
-        });
-        None
-    }
-
-    /// Convenience wrapper over [`Dag::bool_port_of`] + [`BranchArm::new`].
-    pub fn branch_arm_of(&self, port: PortId, body: WorkflowEffect) -> Option<BranchArm> {
-        let condition = self.bool_port_of(port)?;
-        Some(BranchArm::new(condition, body))
-    }
-
-    pub fn as_transform_ref(&self, node: NodeId) -> Option<TransformRef> {
-        self.node(node).as_transform()?;
-        Some(TransformRef(node))
-    }
-}
-
-impl Default for Dag {
-    fn default() -> Self {
-        Self::new()
-    }
-}
-
-/// PB-1-e B4.4: the substrate `bootstrap_fixture_authority` carrier and
-/// [`BOOTSTRAP_FIXTURE_PATH_KEYS`](crate::bootstrap::BOOTSTRAP_FIXTURE_PATH_KEYS)
-/// must list the same virtual paths in the same order — the const is the regen
-/// filter; the `.dag` declaration is runtime authority.
-fn assert_bootstrap_fixture_paths_match_regen_keys(dag: &Dag) {
-    let Some(paths) = dag.bootstrap_fixture_virtual_paths() else {
-        panic!(
-            "bootstrap snapshot must expose `bootstrap_fixture_authority` as a \
-             structural `ValueBody` with well-formed `virtual_path` fields on each fixture \
-             slot (missing declaration, non-structural body, or malformed fixture records). \
-             Regenerate via `regen_bootstrap` after editing \
-             `src/v3/std/extdeps_bootstrap_fixtures.dag`."
-        );
-    };
-    if !paths
-        .iter()
-        .map(String::as_str)
-        .eq(BOOTSTRAP_FIXTURE_PATH_KEYS.iter().copied())
-    {
-        panic!(
-            "`BOOTSTRAP_FIXTURE_PATH_KEYS` must match `bootstrap_fixture_authority` \
-             virtual_path fields in order.\n  substrate: {paths:?}\n  regen keys: {BOOTSTRAP_FIXTURE_PATH_KEYS:?}"
-        );
-    }
-}
-
-fn extdeps_fixture_entry_virtual_path(fv: &FieldValue) -> Option<String> {
-    let FieldValue::Record(fields) = fv else {
-        return None;
-    };
-    let (_, vp) = fields.iter().find(|(l, _)| l == "virtual_path")?;
-    match vp {
-        FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-        _ => None,
-    }
-}
-
-fn binding_reference_field(fields: &[(String, FieldValue)], label: &str) -> Option<DeclarationId> {
-    fields.iter().find_map(|(field_label, value)| {
-        if field_label != label {
-            return None;
-        }
-        match value {
-            FieldValue::Reference(id) => Some(*id),
-            _ => None,
-        }
-    })
-}
-
-fn malformed_target_clean_emission_binding(declaration: &Declaration, detail: &str) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: format!(
-            "TargetCleanEmissionBinding `{}` {detail}",
-            declaration
-                .name
-                .as_deref()
-                .unwrap_or("<anonymous target clean emission binding>")
-        ),
-        span: declaration.span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "MalformedTargetCleanEmissionBinding",
-        ),
-    }
-}
-
-fn duplicate_target_clean_emission_binding(
-    dag: &Dag,
-    declaration: &Declaration,
-    language: DeclarationId,
-) -> Diagnostic {
-    let language_name = dag
-        .declaration(language)
-        .name
-        .as_deref()
-        .unwrap_or("<anonymous language>");
-    Diagnostic::ResolveError {
-        name: format!(
-            "TargetCleanEmissionBinding `{}` duplicates the clean-emission authority for language `{language_name}`",
-            declaration
-                .name
-                .as_deref()
-                .unwrap_or("<anonymous target clean emission binding>")
-        ),
-        span: declaration.span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "DuplicateTargetCleanEmissionBinding",
-        ),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    /// P5 checkable receipt for `upsert_lane2_workflow_on_node` (see helper doc above).
-    #[test]
-    fn try_register_lane2_workflow_effect_upserts_without_silent_overwrite() {
-        let mut dag =
-            crate::compile_to_dag("let _: Int = 0", "lane2_upsert_unit.v3").expect("compile shell");
-        let root = dag.workflow_lane2_subject().expect("bind shell");
-        let wf_a = WorkflowEffect::LinearEffect { ops: vec![] };
-        let wf_b = WorkflowEffect::LoopEffect {
-            body: Box::new(WorkflowEffect::LinearEffect { ops: vec![] }),
-        };
-        assert!(dag.try_register_lane2_workflow_effect(root, wf_a.clone()));
-        assert!(dag.try_register_lane2_workflow_effect(root, wf_a));
-        assert!(!dag.try_register_lane2_workflow_effect(root, wf_b));
-        assert_eq!(
-            dag.lane2_workflow_effect_at(&root),
-            Some(&WorkflowEffect::LinearEffect { ops: vec![] })
-        );
-    }
-
-    #[test]
-    fn call_pattern_from_relations_fails_closed_for_mixed_unknown_and_preserved_evidence() {
-        assert_eq!(
-            call_pattern_from_relations_with_index(&[
-                SubValueRelation::PreservedValue,
-                SubValueRelation::SubValueUnknown
-            ]),
-            None,
-            "mixed unknown + preserved evidence must not fabricate SameArgumentCall"
-        );
-    }
-
-    #[test]
-    fn call_pattern_from_relations_skips_leading_preserved_rows_for_descent_bound_index() {
-        let relations = [
-            SubValueRelation::PreservedValue,
-            SubValueRelation::ArithmeticDescent {
-                param: "param_1".to_string(),
-                factor: ShrinkFactor::ConstantShrink {
-                    steps: PositiveDescentAmount::OneStep,
-                },
-            },
-        ];
-        let (pattern, idx) = call_pattern_from_relations_with_index(&relations)
-            .expect("expected pattern from the first non-preserved, mapped row");
-        assert_eq!(
-            idx, 1,
-            "lenses must key `per_call_descent_operand_port` off the evidence index that produced the \
-             CallPattern, not `0` / first input heuristics"
-        );
-        assert!(
-            matches!(pattern, CallPattern::ArithmeticSubtractCall { .. }),
-            "expected arithmetic descent pattern, got {pattern:?}"
-        );
-    }
-
-    #[test]
-    fn collapse_unary_bind_product_requires_joint_iter_alias_witness() {
-        let dag = crate::compile_to_dag(
-            "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)",
-            "collapse_evidence_unit.v3",
-        )
-        .expect("compile countdown fixture");
-
-        let bind = dag
-            .nodes()
-            .iter()
-            .filter_map(Behavior::as_bind)
-            .find(|b| b.name == "countdown")
-            .expect("countdown bind");
-        let param = bind.params[0];
-
-        let descent_port = per_call_descent_evidence(&dag)
-            .into_iter()
-            .filter(|e| e.caller == bind.name)
-            .find_map(|e| per_call_descent_operand_port(&dag, e.call))
-            .expect("self-call descent operand port");
-
-        let mk_product = |other: PortId| SymbolicCost::ProductCost {
-            _0: NonSingletonList::from_vec(vec![
-                Box::new(SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: param,
-                        display_name: None,
-                    },
-                }),
-                Box::new(SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: other,
-                        display_name: None,
-                    },
-                }),
-            ])
-            .expect("two linear factors"),
-        };
-
-        let collapsed = collapse_unary_bind_tail_iterate_linear_product_if_duplicate_induction(
-            &dag,
-            bind.value,
-            mk_product(descent_port),
-        );
-        assert!(
-            matches!(collapsed, SymbolicCost::LinearCost { .. }),
-            "gate #78 duplicate iterate-alias (param loop × descent operand, call under loop body) \
-             should collapse: {collapsed:?}"
-        );
-
-        let bogus = PortId::test_raw(999_999);
-        let unchanged = collapse_unary_bind_tail_iterate_linear_product_if_duplicate_induction(
-            &dag,
-            bind.value,
-            mk_product(bogus),
-        );
-        assert!(
-            matches!(unchanged, SymbolicCost::ProductCost { .. }),
-            "bogus second factor must not collapse without joint witness: {unchanged:?}"
-        );
-    }
-
-    #[test]
-    fn workflow_root_zero_bind_returns_no_root() {
-        // V3 surface syntax always lowers each top-level decl to a
-        // Bind, so the zero-Bind case is structurally unreachable from
-        // `compile_to_dag` fixtures. The α path's `NoRoot` arm is
-        // defensive-only at the substrate boundary; this unit test
-        // exercises it via the crate-private `Dag::empty()` constructor.
-        let dag = Dag::empty();
-        let root = dag.workflow_root_port();
-        assert_eq!(
-            root,
-            WorkflowRoot::NoRoot,
-            "Dag with no Bind behaviors must fail closed with NoRoot"
-        );
-    }
-
-    fn binding_fields(language: DeclarationId, clean_emission: DeclarationId) -> ValueBody {
-        ValueBody::Structural {
-            fields: vec![
-                ("language".to_string(), FieldValue::Reference(language)),
-                (
-                    "clean_emission".to_string(),
-                    FieldValue::Reference(clean_emission),
-                ),
-            ],
-        }
-    }
-
-    /// Ratchet: [`Dag::populate_primitive_cache`] must resolve every
-    /// [`EmitAnchorCache`] role on the bootstrapped std/spec surface. If a
-    /// substrate name moves or a fixture omits a declaration, accessors
-    /// flip to `None` and emit paths lose typed anchors (ROADMAP P3).
-    #[test]
-    fn post_bootstrap_declaration_append_begin_is_zero_on_empty() {
-        let dag = Dag::empty();
-        assert_eq!(dag.post_bootstrap_declaration_append_begin(), 0);
-    }
-
-    #[test]
-    fn dag_new_bootstrap_declaration_ids_are_below_append_begin() {
-        let dag = Dag::new();
-        let begin = dag.post_bootstrap_declaration_append_begin();
-        assert_eq!(begin as usize, dag.declarations().len());
-        for d in dag.declarations() {
-            assert!(
-                d.id.raw() < begin,
-                "expected bootstrap id {:?} < {}",
-                d.id,
-                begin
-            );
-            assert!(
-                !dag.is_runtime_appended_declaration(d.id),
-                "bootstrap decl {:?} must not classify as runtime-appended",
-                d.id
-            );
-        }
-    }
-
-    #[test]
-    fn runtime_appended_declaration_is_detected() {
-        let mut dag = Dag::new();
-        let begin = dag.post_bootstrap_declaration_append_begin();
-        let binding_meta = dag
-            .declaration_by_name("TargetCleanEmissionBinding")
-            .expect("binding meta")
-            .id;
-        let rust_language = dag.rust_language_spec().expect("rust language");
-        let new_id = dag.alloc_declaration_id();
-        assert_eq!(new_id.raw(), begin);
-        dag.push_declaration(Declaration {
-            id: new_id,
-            name: Some("append_boundary_probe_decl".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(binding_meta)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: Some(binding_meta),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(binding_fields(
-                rust_language,
-                dag.go_clean_emission_spec().expect("go clean emission"),
-            )),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("append_boundary_probe.v3", 0, 1),
-        });
-        assert!(new_id.raw() >= begin);
-        assert!(dag.is_runtime_appended_declaration(new_id));
-    }
-
-    #[test]
-    fn emit_anchor_cache_populated_after_bootstrap() {
-        let dag = Dag::new();
-        assert!(
-            dag.ordered_ring_decl().is_some(),
-            "OrderedRing algebra anchor"
-        );
-        assert!(
-            dag.substrate_accessor_binding_meta().is_some(),
-            "SubstrateAccessorBinding meta anchor"
-        );
-        assert!(dag.dag_type_decl().is_some(), "Dag graph type anchor");
-        assert!(dag.std_list_fold_decl().is_some(), "std.list fold anchor");
-        assert!(
-            dag.rust_functions_syntax_decl().is_some(),
-            "rust_functions syntax anchor"
-        );
-        assert!(
-            dag.method_emit_template_decl().is_some(),
-            "MethodEmitTemplate anchor"
-        );
-        assert!(
-            dag.method_template_contract_decl().is_some(),
-            "MethodTemplateContract anchor"
-        );
-        assert!(dag.fold_method_decl().is_some(), "fold_method anchor");
-        assert!(dag.concat_method_decl().is_some(), "concat_method anchor");
-        assert!(dag.length_method_decl().is_some(), "length_method anchor");
-        assert!(
-            dag.is_empty_method_decl().is_some(),
-            "is_empty_method anchor"
-        );
-    }
-
-    #[test]
-    fn callable_strategy_variants_populated_after_bootstrap() {
-        let dag = Dag::new();
-        let variants = dag.callable_strategy_variants();
-        assert!(variants.list_empty.is_some(), "CallableStrategy.ListEmpty");
-        assert!(
-            variants.list_singleton.is_some(),
-            "CallableStrategy.ListSingleton"
-        );
-        assert!(variants.list_cons.is_some(), "CallableStrategy.ListCons");
-        assert!(
-            variants.list_concat.is_some(),
-            "CallableStrategy.ListConcat"
-        );
-        assert!(
-            variants.list_length.is_some(),
-            "CallableStrategy.ListLength"
-        );
-        assert!(
-            variants.list_is_empty.is_some(),
-            "CallableStrategy.ListIsEmpty"
-        );
-        assert!(variants.list_fold.is_some(), "CallableStrategy.ListFold");
-        assert!(variants.list_map.is_some(), "CallableStrategy.ListMap");
-        assert!(
-            variants.list_filter.is_some(),
-            "CallableStrategy.ListFilter"
-        );
-        assert!(
-            variants.list_contains.is_some(),
-            "CallableStrategy.ListContains"
-        );
-    }
-
-    #[test]
-    fn emit_model_variants_populated_after_bootstrap() {
-        let dag = Dag::new();
-        let variants = dag.emit_model_variants();
-        assert!(
-            variants.pattern_strategy.vector_list.is_some(),
-            "PatternStrategy.VectorList"
-        );
-        assert!(
-            variants.field_access.direct_field.is_some(),
-            "FieldAccess.DirectField"
-        );
-        assert!(
-            variants.field_access.accessor_method.is_some(),
-            "FieldAccess.AccessorMethod"
-        );
-        assert!(
-            variants.parameter_disposition.borrowed.is_some(),
-            "ParameterDisposition.Borrowed"
-        );
-        assert!(
-            variants.parameter_disposition.consumed.is_some(),
-            "ParameterDisposition.Consumed"
-        );
-        assert!(
-            variants.memory_model.value_only.is_some(),
-            "MemoryModel.ValueOnly"
-        );
-        assert!(
-            variants.memory_model.garbage_collected.is_some(),
-            "MemoryModel.GarbageCollected"
-        );
-        assert!(
-            variants.memory_model.ref_counted.is_some(),
-            "MemoryModel.RefCounted"
-        );
-        assert!(
-            variants.memory_model.ownership_based.is_some(),
-            "MemoryModel.OwnershipBased"
-        );
-        assert!(
-            variants.scope_model.lexical_scoping.is_some(),
-            "ScopeModel.LexicalScoping"
-        );
-        assert!(
-            variants.scope_model.dynamic_scoping.is_some(),
-            "ScopeModel.DynamicScoping"
-        );
-        assert!(
-            variants.read_strategy.borrow.is_some(),
-            "ReadStrategy.Borrow"
-        );
-        assert!(
-            variants.read_strategy.pass_by_value.is_some(),
-            "ReadStrategy.PassByValue"
-        );
-        assert!(
-            variants.construct_strategy.copy_or_clone.is_some(),
-            "ConstructStrategy.CopyOrClone"
-        );
-        assert!(
-            variants.construct_strategy.pass_by_value.is_some(),
-            "ConstructStrategy.PassByValue"
-        );
-        assert!(
-            variants.mutability.immutable.is_some(),
-            "Mutability.Immutable"
-        );
-        assert!(variants.mutability.mutable.is_some(), "Mutability.Mutable");
-        assert!(variants.purity.pure.is_some(), "Purity.Pure");
-        assert!(variants.purity.effectful.is_some(), "Purity.Effectful");
-        assert!(
-            variants.structure.explicit_dag.is_some(),
-            "Structure.ExplicitDAG"
-        );
-        assert!(
-            variants.structure.arbitrary.is_some(),
-            "Structure.Arbitrary"
-        );
-        assert!(variants.iteration.bounded.is_some(), "Iteration.Bounded");
-        assert!(
-            variants.iteration.unbounded.is_some(),
-            "Iteration.Unbounded"
-        );
-    }
-
-    #[test]
-    fn bridge_mark_bootstrap_secret_nominal_opacity_retired() {
-        fn assert_secret_marked(dag: Dag, label: &str) {
-            let secret = dag
-                .declaration_by_name("Secret")
-                .unwrap_or_else(|| panic!("{label} must include std Secret"));
-            assert!(
-                secret.nominal_opacity.is_some(),
-                "{label} must carry Secret nominal opacity in the generated snapshot"
-            );
-        }
-
-        assert_secret_marked(
-            bootstrap_std_generated::bootstrapped_std_fixture_dag(),
-            "std bootstrap snapshot",
-        );
-        assert_secret_marked(
-            bootstrap_generated::bootstrapped_fixture_dag(),
-            "full bootstrap snapshot",
-        );
-        assert_secret_marked(
-            bootstrap_generated_without_parse_surface::bootstrapped_fixture_without_parse_surface_dag(
-            ),
-            "bootstrap-without-parse-surface snapshot",
-        );
-    }
-
-    #[test]
-    fn bootstrap_secret_is_nominal_opaque() {
-        let dag = Dag::new();
-        let secret = dag
-            .declaration_by_name("Secret")
-            .expect("bootstrap fixture must include std Secret");
-
-        assert!(
-            secret.nominal_opacity.is_some(),
-            "Secret must carry nominal opacity from std source authority"
-        );
-    }
-
-    #[test]
-    #[should_panic(expected = "generated bootstrap invariant violation")]
-    fn generated_bootstrap_rejects_user_defined_body_that_is_not_a_bind() {
-        let mut dag = bootstrap_generated::bootstrapped_fixture_dag();
-        let non_bind = dag
-            .nodes
-            .iter()
-            .find_map(|behavior| {
-                if matches!(behavior, Behavior::Bind(_)) {
-                    None
-                } else {
-                    Some(behavior.id())
-                }
-            })
-            .expect("generated bootstrap fixture should include a non-Bind behavior");
-        let declaration = dag
-            .declarations
-            .iter_mut()
-            .find(|declaration| {
-                matches!(
-                    &declaration.connective,
-                    TypeConnective::Arrow {
-                        body: ArrowBody::UserDefined(_),
-                        ..
-                    }
-                )
-            })
-            .expect("generated bootstrap fixture should include a user-defined arrow body");
-        let TypeConnective::Arrow { body, .. } = &mut declaration.connective else {
-            unreachable!("declaration was selected by arrow body shape")
-        };
-        *body = ArrowBody::UserDefined(BindNodeId::new_unchecked(non_bind));
-
-        dag.finalize_runtime_bootstrap_from_generated_snapshot(
-            RuntimeBootstrapFixtureKind::FullExtdepsPipelineSnapshot,
-        );
-    }
-
-    #[test]
-    fn malformed_target_clean_emission_binding_fails_closed() {
-        let mut dag = Dag::new();
-        let binding = dag
-            .declaration_by_name("rust_clean_emission_binding")
-            .expect("rust binding exists")
-            .id;
-        let rust_language = dag.rust_language_spec().expect("rust language");
-        dag.declaration_mut(binding).value_body =
-            Some(binding_fields(rust_language, rust_language));
-
-        dag.populate_primitive_cache();
-
-        assert!(
-            dag.target_syntax_bundle_for_language(rust_language)
-                .is_none(),
-            "malformed binding should not populate a target authority bundle"
-        );
-        assert!(
-            dag.rust_clean_emission_spec().is_none(),
-            "target-specific clean-emission accessor must also fail closed on malformed bindings"
-        );
-        assert!(
-            dag.diagnostics().iter().any(|(_, diagnostic)| matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("rust_clean_emission_binding")
-                        && name.contains("CleanEmissionContract")
-            )),
-            "expected malformed TargetCleanEmissionBinding diagnostic, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-    }
-
-    #[test]
-    fn duplicate_target_clean_emission_binding_fails_closed() {
-        let mut dag = Dag::new();
-        let binding_meta = dag
-            .declaration_by_name("TargetCleanEmissionBinding")
-            .expect("binding meta exists")
-            .id;
-        let rust_language = dag.rust_language_spec().expect("rust language");
-        let go_clean_emission = dag.go_clean_emission_spec().expect("go clean emission");
-        let duplicate = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: duplicate,
-            name: Some("duplicate_rust_clean_emission_binding".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(binding_meta)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: Some(binding_meta),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(binding_fields(rust_language, go_clean_emission)),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("duplicate_binding_test.v3", 0, 1),
-        });
-
-        dag.populate_primitive_cache();
-
-        assert!(
-            dag.target_syntax_bundle_for_language(rust_language)
-                .is_none(),
-            "duplicate language bindings should remove the ambiguous authority"
-        );
-        assert!(
-            dag.rust_clean_emission_spec().is_none(),
-            "target-specific clean-emission accessor must project the same ambiguous authority as None"
-        );
-        assert!(
-            dag.diagnostics().iter().any(|(_, diagnostic)| matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("duplicate_rust_clean_emission_binding")
-                        && name.contains("duplicates the clean-emission authority")
-            )),
-            "expected duplicate TargetCleanEmissionBinding diagnostic, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-    }
-
-    #[test]
-    fn cardinality_idempotent_target_peels_empty_instantiation_alias() {
-        let mut dag = Dag::new();
-        dag.populate_primitive_cache();
-        let int_decl = dag.int_shape().expect("bootstrap Int").declaration;
-        let opt_decl = dag.alloc_cardinality_decl(
-            int_decl,
-            CardinalityBound::AtMostOne,
-            SourceSpan::new("cardinality_alias_peel_test", 0, 0),
-        );
-        let alias_decl = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: alias_decl,
-            name: Some("Alias".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: opt_decl,
-                arguments: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("cardinality_alias_peel_test", 0, 0),
-        });
-
-        assert_eq!(
-            cardinality_idempotent_target(&dag, alias_decl, CardinalityBound::AtMostOne),
-            Some(opt_decl),
-            "Alias = Opt (Instantiation with empty args) should peel to Opt before idempotence"
-        );
-    }
-
-    #[test]
-    fn cardinality_idempotent_target_peels_chained_instantiation_aliases() {
-        let mut dag = Dag::new();
-        dag.populate_primitive_cache();
-        let int_decl = dag.int_shape().expect("bootstrap Int").declaration;
-        let int_opt_decl = dag.alloc_cardinality_decl(
-            int_decl,
-            CardinalityBound::AtMostOne,
-            SourceSpan::new("cardinality_chain_peel_test", 0, 0),
-        );
-        // type Alias = Int?   →  empty-arg alias to the `Int?` declaration
-        let alias_decl = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: alias_decl,
-            name: Some("Alias".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: int_opt_decl,
-                arguments: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("cardinality_chain_peel_test", 0, 0),
-        });
-        // type Wrap = Alias  →  second empty-arg alias
-        let wrap_decl = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: wrap_decl,
-            name: Some("Wrap".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: alias_decl,
-                arguments: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("cardinality_chain_peel_test", 0, 0),
-        });
-
-        assert_eq!(
-            cardinality_idempotent_target(&dag, wrap_decl, CardinalityBound::AtMostOne),
-            Some(int_opt_decl),
-            "Wrap = Alias; Alias = Int? should peel through both Instantiations to the \
-             canonical `Int?` decl (recursive alias chain, not one step)"
-        );
-    }
-
-    #[test]
-    fn cardinality_idempotence_does_not_collapse_non_at_most_one_inner_bound() {
-        let mut dag = Dag::new();
-        dag.populate_primitive_cache();
-        let int_decl = dag.int_shape().expect("bootstrap Int").declaration;
-        let exact_two = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: exact_two,
-            name: None,
-            connective: TypeConnective::Cardinality(
-                CardinalityPayload::new_unchecked_bypassing_idempotence(
-                    int_decl,
-                    CardinalityBound::Exact(2),
-                ),
-            ),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("cardinality_exact_spoof_test", 0, 0),
-        });
-
-        assert_eq!(
-            cardinality_idempotent_target(&dag, exact_two, CardinalityBound::AtMostOne),
-            None,
-            "AtMostOne over Exact(2) is optional fixed-cardinality, not nested optional"
-        );
-
-        let optional_exact_two = dag.alloc_cardinality_decl(
-            exact_two,
-            CardinalityBound::AtMostOne,
-            SourceSpan::new("cardinality_exact_spoof_test", 0, 0),
-        );
-        let TypeConnective::Cardinality(payload) = &dag.declaration(optional_exact_two).connective
-        else {
-            panic!("optional Exact(2) should remain a Cardinality declaration");
-        };
-        assert_eq!(payload.element(), exact_two);
-        assert_eq!(payload.bound(), CardinalityBound::AtMostOne);
-    }
-
-    /// Cementing test for issue #2463: `resolve_producer_lookup` must
-    /// discriminate the five variants (`NoProducer`, `Found`,
-    /// `MissingPort`, `MissingNode`, `BindCycle`) so consumers can
-    /// fail-closed on malformed substrate per INVARIANTS P3.
-    /// `resolve_producer_opt` (compat wrapper) collapses the four
-    /// miss shapes (legitimate `NoProducer` plus three malformed) into
-    /// `None`; the typed surface preserves the distinction.
-    #[test]
-    fn resolve_producer_lookup_discriminates_malformed_substrate() {
-        let dag = Dag::new();
-        // MissingPort: a `PortId` past the allocated range cannot
-        // resolve. The compat wrapper hides this as `None`; the typed
-        // surface surfaces it as `MissingPort`.
-        let bogus = PortId::test_raw(u32::MAX);
-        assert!(
-            matches!(
-                dag.resolve_producer_lookup(&bogus),
-                ProducerLookup::MissingPort { .. }
-            ),
-            "out-of-range PortId must surface as MissingPort, not collapse to NoProducer"
-        );
-        assert!(
-            dag.resolve_producer_opt(&bogus).is_none(),
-            "compat wrapper collapses MissingPort to None"
-        );
-    }
-}
diff --git a/src/v3/compiler/src/dag/builder.rs b/src/v3/compiler/src/dag/builder.rs
deleted file mode 100644
index bb4c990ede3..00000000000
--- a/src/v3/compiler/src/dag/builder.rs
+++ /dev/null
@@ -1,1529 +0,0 @@
-use super::*;
-use crate::operators::OperatorKind;
-use crate::types::TypeShape;
-
-const BUILDER_TYPE_WALK_DEPTH_LIMIT: usize = 32;
-
-#[allow(dead_code)]
-impl Dag {
-    /// Test-facing builder: allocate a detached port that already carries a
-    /// resolved shape. This keeps unit-style graph construction on the same
-    /// Port-state invariant as post-infer dags.
-    pub(crate) fn alloc_port_with_shape(&mut self, shape: TypeShape) -> PortId {
-        let port = self.alloc_port(None);
-        self.set_port_type(port, shape);
-        port
-    }
-
-    /// Test-facing builder: append a `Value` node and return its output port.
-    /// The output port is resolved to the corresponding primitive shape.
-    pub(crate) fn push_value(&mut self, bits: LiteralBits, span: SourceSpan) -> PortId {
-        let node_id = self.alloc_node_id();
-        let output = self.alloc_port(Some(node_id));
-        let output_shape = self.literal_shape(&bits);
-        self.push_node(Behavior::Value(ValueNode {
-            id: node_id,
-            data: bits,
-            output,
-            span,
-            lane2_workflow: None,
-        }));
-        self.set_port_type(output, output_shape);
-        output
-    }
-
-    /// Test-facing builder: append a `Transform` node and return its output
-    /// port. The builder validates referenced input ports and seeds the output
-    /// port shape when the target carries enough structural information.
-    pub(crate) fn push_transform(
-        &mut self,
-        target: TransformTarget,
-        inputs: Vec<PortId>,
-        span: SourceSpan,
-    ) -> PortId {
-        self.assert_transform_inputs(&target, &inputs);
-        let node_id = self.alloc_node_id();
-        let output = self.alloc_port(Some(node_id));
-        let output_shape = self.transform_output_shape(&target, &inputs);
-        self.push_node(Behavior::Transform(TransformNode {
-            id: node_id,
-            target,
-            inputs,
-            output,
-            span,
-        }));
-        if let Some(shape) = output_shape {
-            self.set_port_type(output, shape);
-        }
-        output
-    }
-
-    /// Test-facing builder: append a `Bind` node and return its `NodeId`.
-    /// `Bind` reuses the supplied value port as its result port rather than
-    /// synthesizing a parallel output edge.
-    pub(crate) fn push_bind(
-        &mut self,
-        name: impl Into<String>,
-        value: PortId,
-        params: Vec<PortId>,
-        span: SourceSpan,
-    ) -> NodeId {
-        self.assert_port_exists(value, "push_bind(value)");
-        self.assert_ports_exist(&params, "push_bind(params)");
-        let node_id = self.alloc_node_id();
-        self.push_node(Behavior::Bind(BindNode {
-            id: node_id,
-            name: name.into(),
-            value,
-            params,
-            span,
-            lane2_workflow: None,
-            emit_participation: None,
-        }));
-        node_id
-    }
-
-    /// Test-facing builder: append a `Branch` node and return its output port.
-    /// Every path body/output reference is validated before the node is pushed.
-    /// The output port is resolved when every arm output already has the same
-    /// resolved shape.
-    pub(crate) fn push_branch(
-        &mut self,
-        input: PortId,
-        paths: Vec<Path>,
-        span: SourceSpan,
-    ) -> PortId {
-        assert!(!paths.is_empty(), "push_branch requires at least one path");
-        self.assert_port_exists(input, "push_branch(input)");
-        for path in &paths {
-            self.assert_node_exists(path.body, "push_branch(path.body)");
-            self.assert_port_exists(path.output, "push_branch(path.output)");
-            if let BranchPattern::ResolvedVariant(variant) = path.pattern {
-                self.assert_declaration_exists(variant, "push_branch(path.pattern)");
-            }
-            if let Some(binding) = &path.binding {
-                self.assert_port_exists(
-                    binding.payload_port,
-                    "push_branch(path.binding.payload_port)",
-                );
-            }
-        }
-        let node_id = self.alloc_node_id();
-        let output = self.alloc_port(Some(node_id));
-        let output_shape = self.common_resolved_shape(paths.iter().map(|path| path.output));
-        self.push_node(Behavior::Branch(BranchNode {
-            id: node_id,
-            input,
-            paths,
-            output,
-            span,
-            emit_participation: None,
-        }));
-        if let Some(shape) = output_shape {
-            self.set_port_type(output, shape);
-        }
-        output
-    }
-
-    /// Test-facing builder: append a `Loop` node and return its output port.
-    /// The output port inherits the init-port shape when that shape is already
-    /// resolved on the supplied graph fragment.
-    pub(crate) fn push_loop(
-        &mut self,
-        source: PortId,
-        init: PortId,
-        body: NodeId,
-        bound: LoopBound,
-        span: SourceSpan,
-    ) -> PortId {
-        self.assert_port_exists(source, "push_loop(source)");
-        self.assert_port_exists(init, "push_loop(init)");
-        self.assert_node_exists(body, "push_loop(body)");
-        match bound {
-            LoopBound::Cardinality { count } => {
-                self.assert_port_exists(count, "push_loop(bound.count)");
-            }
-            LoopBound::Descent { cluster, measure } => {
-                assert!(
-                    self.clusters.get(cluster.index()).is_some(),
-                    "push_loop(bound.cluster): unknown cluster {:?}",
-                    cluster
-                );
-                self.assert_port_exists(measure, "push_loop(bound.measure)");
-                assert_eq!(
-                    source, measure,
-                    "push_loop(source) must match LoopBound::Descent.measure during migration"
-                );
-            }
-        }
-        let node_id = self.alloc_node_id();
-        let output = self.alloc_port(Some(node_id));
-        let output_shape = self.resolved_port_shape(init);
-        self.push_node(Behavior::Loop(LoopNode {
-            id: node_id,
-            source,
-            init,
-            body,
-            bound,
-            output,
-            span,
-        }));
-        if let Some(shape) = output_shape {
-            self.set_port_type(output, shape);
-        }
-        output
-    }
-
-    /// Test-facing builder: append a `Conj` declaration and return its
-    /// `DeclarationId`.
-    pub(crate) fn push_conj(
-        &mut self,
-        name: Option<String>,
-        children: Vec<Field>,
-        span: SourceSpan,
-    ) -> DeclarationId {
-        self.assert_fields_exist(&children, "push_conj(children)");
-        let id = self.alloc_declaration_id();
-        self.push_declaration(Declaration {
-            id,
-            name,
-            connective: TypeConnective::Conj { children },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span,
-        });
-        id
-    }
-
-    /// Test-facing builder: append an `Atom` declaration and return its
-    /// `DeclarationId`.
-    pub(crate) fn push_atom(
-        &mut self,
-        name: Option<String>,
-        payload: AtomPayload,
-        span: SourceSpan,
-    ) -> DeclarationId {
-        if let Some(target) = payload.resolved_id() {
-            self.assert_declaration_exists(target, "push_atom(payload)");
-        }
-        let id = self.alloc_declaration_id();
-        self.push_declaration(Declaration {
-            id,
-            name,
-            connective: TypeConnective::Atom(payload),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span,
-        });
-        id
-    }
-
-    /// Single constructor authority for cardinality declarations (`Option`, lists, …).
-    ///
-    /// Nested `AtMostOne` wraps collapse to the inner declaration (T-ImpossibleBugs
-    /// nested-optional flatten).
-    pub(crate) fn alloc_cardinality_decl(
-        &mut self,
-        element: DeclarationId,
-        bound: CardinalityBound,
-        span: SourceSpan,
-    ) -> DeclarationId {
-        if let Some(existing) = super::cardinality_idempotent_target(self, element, bound) {
-            self.debug_assert_alloc_cardinality_result_not_nested_at_most_one(existing);
-            return existing;
-        }
-        let id = self.alloc_declaration_id();
-        self.push_declaration(Declaration {
-            id,
-            name: None,
-            connective: TypeConnective::Cardinality(
-                CardinalityPayload::new_unchecked_bypassing_idempotence(element, bound),
-            ),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span,
-        });
-        self.debug_assert_alloc_cardinality_result_not_nested_at_most_one(id);
-        id
-    }
-
-    /// Debug-only: for a returned `AtMostOne` cardinal, the inner `element` must not
-    /// still pass `cardinality_idempotent_target` (else we would have `Option` of
-    /// `Option` without the allocator having collapsed it). The idempotent rule forbids
-    /// that shape; this rechecks it in debug builds.
-    fn debug_assert_alloc_cardinality_result_not_nested_at_most_one(&self, id: DeclarationId) {
-        if let TypeConnective::Cardinality(p) = &self.declaration(id).connective {
-            if p.bound() == CardinalityBound::AtMostOne {
-                let inner = p.element();
-                debug_assert!(
-                    super::cardinality_idempotent_target(self, inner, CardinalityBound::AtMostOne)
-                        .is_none(),
-                    "alloc_cardinality_decl: result {id:?} = AtMostOne(…, {inner:?}) but inner still \
-                     admits idempotent AtMostOne collapse (nested option stack)",
-                );
-            }
-        }
-    }
-
-    fn literal_shape(&self, bits: &LiteralBits) -> TypeShape {
-        match bits {
-            LiteralBits::Int(_) => self
-                .int_shape()
-                .expect("push_value requires bootstrap Int shape"),
-            LiteralBits::Bool(_) => self
-                .bool_shape()
-                .expect("push_value requires bootstrap Bool shape"),
-            LiteralBits::String(_) => self
-                .string_shape()
-                .expect("push_value requires bootstrap String shape"),
-            LiteralBits::Symbol(_) => TypeShape::new(
-                self.declaration_by_name("Symbol")
-                    .expect("push_value requires bootstrap Symbol declaration")
-                    .id,
-            ),
-        }
-    }
-
-    fn transform_output_shape(
-        &self,
-        target: &TransformTarget,
-        inputs: &[PortId],
-    ) -> Option<TypeShape> {
-        match target {
-            TransformTarget::Callable(target) => self.callable_output_shape(*target),
-            TransformTarget::UnresolvedFieldProject { .. } => None,
-            TransformTarget::ResolvedFieldProject { field_label } => {
-                self.field_project_output_shape(field_label, inputs)
-            }
-            TransformTarget::Operator(kind) => self.operator_output_shape(*kind, inputs),
-        }
-    }
-
-    fn field_project_output_shape(
-        &self,
-        field_label: &str,
-        inputs: &[PortId],
-    ) -> Option<TypeShape> {
-        let input_shape = self.resolved_port_shape(*inputs.first()?)?;
-        let mut subst = Vec::new();
-        let conj_id = self.walk_to_conj_decl_with_subst(input_shape.declaration, &mut subst, 0)?;
-        let TypeConnective::Conj { children } = &self.declaration(conj_id).connective else {
-            return None;
-        };
-        let field_ty = children
-            .iter()
-            .find(|field| field.label == field_label)
-            .map(|field| field.ty)?;
-        self.signature_type_shape(field_ty, &subst, 0)
-    }
-
-    fn callable_output_shape(&self, decl_id: DeclarationId) -> Option<TypeShape> {
-        let mut subst = Vec::new();
-        self.callable_output_shape_with_subst(decl_id, &mut subst, 0)
-    }
-
-    fn callable_runtime_arity(&self, target: DeclarationId) -> Option<usize> {
-        let (template, mut arguments) = self.callable_template_arguments(target);
-        arguments = self.retained_template_arguments_for_target(template, &arguments);
-        let mut subst = vec![arguments];
-        if let Some(raw_inputs) = self.resolve_arrow_decl_inputs(template, &mut subst, 0) {
-            return Some(
-                raw_inputs
-                    .into_iter()
-                    .filter(|input| !self.declaration_is_callable(*input, 0))
-                    .count(),
-            );
-        }
-        match &self.declaration(template).connective {
-            TypeConnective::Conj { children } => Some(children.len()),
-            _ => None,
-        }
-    }
-
-    fn callable_template_arguments(
-        &self,
-        target: DeclarationId,
-    ) -> (DeclarationId, Vec<TemplateArgument>) {
-        match &self.declaration(target).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => (*template, arguments.clone()),
-            _ => (target, Vec::new()),
-        }
-    }
-
-    fn retained_template_arguments_for_target(
-        &self,
-        template: DeclarationId,
-        arguments: &[TemplateArgument],
-    ) -> Vec<TemplateArgument> {
-        let mut allowed: HashSet<DeclarationId> = self
-            .declaration(template)
-            .type_params
-            .iter()
-            .copied()
-            .collect();
-        if let Some(raw_inputs) = self.resolve_arrow_decl_inputs(template, &mut Vec::new(), 0) {
-            for input in raw_inputs {
-                if self.declaration_is_callable(input, 0) {
-                    allowed.insert(input);
-                }
-            }
-        }
-
-        let mut retained = Vec::new();
-        for argument in arguments {
-            if !allowed.contains(&argument.parameter) {
-                continue;
-            }
-            let resolved_value = self.resolve_template_argument_value(arguments, argument.value, 0);
-            if let Some(existing) = retained
-                .iter_mut()
-                .find(|existing: &&mut TemplateArgument| existing.parameter == argument.parameter)
-            {
-                existing.value = resolved_value;
-                continue;
-            }
-            retained.push(TemplateArgument {
-                parameter: argument.parameter,
-                value: resolved_value,
-            });
-        }
-        retained
-    }
-
-    fn resolve_template_argument_value(
-        &self,
-        arguments: &[TemplateArgument],
-        current: DeclarationId,
-        depth: usize,
-    ) -> DeclarationId {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return current;
-        }
-        let Some(next) = arguments
-            .iter()
-            .find(|arg| arg.parameter == current)
-            .map(|arg| arg.value)
-        else {
-            return current;
-        };
-        if next == current {
-            return current;
-        }
-        self.resolve_template_argument_value(arguments, next, depth + 1)
-    }
-
-    fn resolve_arrow_decl_inputs(
-        &self,
-        current: DeclarationId,
-        subst: &mut Vec<Vec<TemplateArgument>>,
-        depth: usize,
-    ) -> Option<Vec<DeclarationId>> {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return None;
-        }
-        let decl = self.declaration(current);
-        match &decl.connective {
-            TypeConnective::Arrow { inputs, .. } => Some(inputs.clone()),
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                let result = self.resolve_arrow_decl_inputs(*template, subst, depth + 1);
-                subst.pop();
-                result
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.resolve_arrow_decl_inputs(*next, subst, depth + 1)
-            }
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                let bound = self.lookup_template_argument(current, subst)?;
-                self.resolve_arrow_decl_inputs(bound, subst, depth + 1)
-            }
-            TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            | TypeConnective::Atom(AtomPayload::Literal(_))
-            | TypeConnective::Conj { .. }
-            | TypeConnective::Disj { .. }
-            | TypeConnective::Cardinality(_) => None,
-        }
-    }
-
-    fn walk_to_conj_decl_with_subst(
-        &self,
-        current: DeclarationId,
-        subst: &mut Vec<Vec<TemplateArgument>>,
-        depth: usize,
-    ) -> Option<DeclarationId> {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return None;
-        }
-        match &self.declaration(current).connective {
-            TypeConnective::Conj { .. } => Some(current),
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                let result = self.walk_to_conj_decl_with_subst(*template, subst, depth + 1);
-                if result.is_none() {
-                    subst.pop();
-                }
-                result
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.walk_to_conj_decl_with_subst(*next, subst, depth + 1)
-            }
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                let bound = self.lookup_template_argument(current, subst)?;
-                self.walk_to_conj_decl_with_subst(bound, subst, depth + 1)
-            }
-            TypeConnective::Atom(AtomPayload::Literal(_))
-            | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            | TypeConnective::Arrow { .. }
-            | TypeConnective::Disj { .. }
-            | TypeConnective::Cardinality(_) => None,
-        }
-    }
-
-    fn callable_output_shape_with_subst(
-        &self,
-        decl_id: DeclarationId,
-        subst: &mut Vec<Vec<TemplateArgument>>,
-        depth: usize,
-    ) -> Option<TypeShape> {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return None;
-        }
-        match &self.declaration(decl_id).connective {
-            TypeConnective::Arrow { output, .. } => {
-                self.signature_type_shape(*output, subst, depth + 1)
-            }
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                let result = self.callable_output_shape_with_subst(*template, subst, depth + 1);
-                subst.pop();
-                result
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.callable_output_shape_with_subst(*next, subst, depth + 1)
-            }
-            TypeConnective::Atom(AtomPayload::Literal(_))
-            | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            | TypeConnective::Atom(AtomPayload::TypeParam(_))
-            | TypeConnective::Conj { .. }
-            | TypeConnective::Disj { .. }
-            | TypeConnective::Cardinality(_) => None,
-        }
-    }
-
-    fn declaration_is_callable(&self, current: DeclarationId, depth: usize) -> bool {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return false;
-        }
-        match &self.declaration(current).connective {
-            TypeConnective::Arrow { .. } => true,
-            TypeConnective::Instantiation { template, .. } => {
-                self.declaration_is_callable(*template, depth + 1)
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.declaration_is_callable(*next, depth + 1)
-            }
-            TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            | TypeConnective::Atom(AtomPayload::TypeParam(_))
-            | TypeConnective::Atom(AtomPayload::Literal(_))
-            | TypeConnective::Conj { .. }
-            | TypeConnective::Disj { .. }
-            | TypeConnective::Cardinality(_) => false,
-        }
-    }
-
-    fn operator_output_shape(&self, kind: OperatorKind, inputs: &[PortId]) -> Option<TypeShape> {
-        match kind {
-            OperatorKind::Arithmetic(_) => inputs
-                .first()
-                .copied()
-                .and_then(|port| self.resolved_port_shape(port)),
-            OperatorKind::Comparison(_) | OperatorKind::Logical(_) => self.bool_shape(),
-        }
-    }
-
-    fn resolved_port_shape(&self, port: PortId) -> Option<TypeShape> {
-        match self.port(port).state() {
-            PortState::Resolved(shape) => Some(*shape),
-            PortState::Uninferred | PortState::Unresolved => None,
-        }
-    }
-
-    fn signature_type_shape(
-        &self,
-        current: DeclarationId,
-        subst: &[Vec<TemplateArgument>],
-        depth: usize,
-    ) -> Option<TypeShape> {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return None;
-        }
-        let decl = self.declaration(current);
-        if decl.name.is_some() || decl.refinement.is_some() {
-            // The builder is read-only: unlike inference, it does not
-            // materialize substituted refined carriers. If this refined
-            // identity still depends on active template arguments, do not seed
-            // a stale template shape onto the output port.
-            if decl.refinement.is_some()
-                && self.refinement_base_requires_substitution(current, subst, depth + 1)
-            {
-                return None;
-            }
-            return Some(TypeShape::new(current));
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation { .. } => self
-                .resolve_decl_with_subst(current, subst, depth + 1)
-                .map(TypeShape::new)
-                .or_else(|| Some(TypeShape::new(current))),
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                if let Some(bound) = self.lookup_template_argument(current, subst) {
-                    self.signature_type_shape(bound, subst, depth + 1)
-                } else {
-                    Some(TypeShape::new(current))
-                }
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.signature_type_shape(*next, subst, depth + 1)
-            }
-            TypeConnective::Cardinality(_) => Some(TypeShape::new(current)),
-            TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            | TypeConnective::Atom(AtomPayload::Literal(_))
-            | TypeConnective::Conj { .. }
-            | TypeConnective::Disj { .. }
-            | TypeConnective::Arrow { .. } => None,
-        }
-    }
-
-    fn resolve_decl_with_subst(
-        &self,
-        current: DeclarationId,
-        subst: &[Vec<TemplateArgument>],
-        depth: usize,
-    ) -> Option<DeclarationId> {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return None;
-        }
-        let decl = self.declaration(current);
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => self
-                .lookup_template_argument(current, subst)
-                .and_then(|bound| self.resolve_decl_with_subst(bound, subst, depth + 1))
-                .or(Some(current)),
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.resolve_decl_with_subst(*next, subst, depth + 1)
-            }
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                let specialized_arguments: Vec<TemplateArgument> = arguments
-                    .iter()
-                    .map(|arg| {
-                        Some(TemplateArgument {
-                            parameter: arg.parameter,
-                            value: self.resolve_decl_with_subst(arg.value, subst, depth + 1)?,
-                        })
-                    })
-                    .collect::<Option<_>>()?;
-                if specialized_arguments
-                    .iter()
-                    .zip(arguments.iter())
-                    .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value)
-                {
-                    return Some(current);
-                }
-                self.find_equivalent_decl_instantiation(*template, &specialized_arguments)
-                    .or(Some(current))
-            }
-            TypeConnective::Cardinality(p) => {
-                let element = p.element();
-                let bound = p.bound();
-                let specialized_element =
-                    self.resolve_decl_with_subst(element, subst, depth + 1)?;
-                // Before `specialized_element == element` (substitution was a no-op on the
-                // element id): if the element is already an optional, the canonical
-                // declaration matches `alloc_cardinality_decl` / `cardinality_idempotent_target`
-                // (e.g. T? with T = U? must not keep a stale outer `Cardinality` wrapper).
-                if bound == CardinalityBound::AtMostOne {
-                    if let Some(idem) =
-                        super::cardinality_idempotent_target(self, specialized_element, bound)
-                    {
-                        return Some(idem);
-                    }
-                }
-                if specialized_element == element {
-                    return Some(current);
-                }
-                self.find_equivalent_decl_cardinality(specialized_element, bound)
-                    .or(Some(current))
-            }
-            _ => Some(current),
-        }
-    }
-
-    fn lookup_template_argument(
-        &self,
-        parameter: DeclarationId,
-        subst: &[Vec<TemplateArgument>],
-    ) -> Option<DeclarationId> {
-        for frame in subst.iter().rev() {
-            for arg in frame {
-                if arg.parameter == parameter {
-                    if arg.value == parameter {
-                        return None;
-                    }
-                    return Some(arg.value);
-                }
-            }
-        }
-        None
-    }
-
-    fn refinement_base_requires_substitution(
-        &self,
-        current: DeclarationId,
-        subst: &[Vec<TemplateArgument>],
-        depth: usize,
-    ) -> bool {
-        let decl = self.declaration(current);
-        let TypeConnective::Atom(
-            AtomPayload::ResolvedByStructure(base) | AtomPayload::ResolvedByName(base),
-        ) = &decl.connective
-        else {
-            return false;
-        };
-        self.refinement_base_walk(*base, subst, depth)
-    }
-
-    fn refinement_base_walk(
-        &self,
-        current: DeclarationId,
-        subst: &[Vec<TemplateArgument>],
-        depth: usize,
-    ) -> bool {
-        if depth >= BUILDER_TYPE_WALK_DEPTH_LIMIT {
-            return false;
-        }
-        let decl = self.declaration(current);
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                self.lookup_template_argument(current, subst).is_some()
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.refinement_base_walk(*next, subst, depth + 1)
-            }
-            TypeConnective::Instantiation { arguments, .. } => arguments
-                .iter()
-                .any(|arg| self.refinement_base_walk(arg.value, subst, depth + 1)),
-            TypeConnective::Cardinality(p) => {
-                self.refinement_base_walk(p.element(), subst, depth + 1)
-            }
-            _ => false,
-        }
-    }
-
-    fn find_equivalent_decl_instantiation(
-        &self,
-        template: DeclarationId,
-        arguments: &[TemplateArgument],
-    ) -> Option<DeclarationId> {
-        self.declarations().iter().find_map(|decl| {
-            let TypeConnective::Instantiation {
-                template: existing_template,
-                arguments: existing_arguments,
-            } = &decl.connective
-            else {
-                return None;
-            };
-            (template == *existing_template
-                && existing_arguments.len() == arguments.len()
-                && existing_arguments
-                    .iter()
-                    .zip(arguments.iter())
-                    .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value))
-            .then_some(decl.id)
-        })
-    }
-
-    fn find_equivalent_decl_cardinality(
-        &self,
-        element: DeclarationId,
-        bound: CardinalityBound,
-    ) -> Option<DeclarationId> {
-        self.declarations().iter().find_map(|decl| {
-            let TypeConnective::Cardinality(existing) = &decl.connective else {
-                return None;
-            };
-            (element == existing.element() && bound == existing.bound()).then_some(decl.id)
-        })
-    }
-
-    fn common_resolved_shape(&self, ports: impl IntoIterator<Item = PortId>) -> Option<TypeShape> {
-        let mut iter = ports.into_iter();
-        let first = self.resolved_port_shape(iter.next()?)?;
-        for port in iter {
-            if self.resolved_port_shape(port)? != first {
-                return None;
-            }
-        }
-        Some(first)
-    }
-
-    fn assert_transform_inputs(&self, target: &TransformTarget, inputs: &[PortId]) {
-        self.assert_ports_exist(inputs, "push_transform(inputs)");
-        match target {
-            TransformTarget::Callable(target_decl) => {
-                self.assert_declaration_exists(*target_decl, "push_transform(target)");
-                if let Some(expected_runtime_arity) = self.callable_runtime_arity(*target_decl) {
-                    assert!(
-                        expected_runtime_arity == inputs.len(),
-                        "push_transform(Callable) requires exactly {} runtime input port(s), got {}",
-                        expected_runtime_arity,
-                        inputs.len(),
-                    );
-                }
-            }
-            TransformTarget::UnresolvedFieldProject { .. }
-            | TransformTarget::ResolvedFieldProject { .. } => {
-                assert!(
-                    inputs.len() == 1,
-                    "push_transform(FieldProject) requires exactly one input port"
-                );
-            }
-            TransformTarget::Operator(_) => {
-                assert!(
-                    inputs.len() == 2,
-                    "push_transform(Operator) requires exactly two input ports"
-                );
-            }
-        }
-    }
-
-    fn assert_fields_exist(&self, fields: &[Field], context: &str) {
-        for field in fields {
-            self.assert_declaration_exists(field.ty, context);
-        }
-    }
-
-    fn assert_ports_exist(&self, ports: &[PortId], context: &str) {
-        for port in ports {
-            self.assert_port_exists(*port, context);
-        }
-    }
-
-    fn assert_port_exists(&self, port: PortId, context: &str) {
-        assert!(
-            self.port_opt(&port).is_some(),
-            "{context}: unknown port {:?}",
-            port
-        );
-    }
-
-    fn assert_node_exists(&self, node: NodeId, context: &str) {
-        assert!(
-            self.node_opt(&node).is_some(),
-            "{context}: unknown node {:?}",
-            node
-        );
-    }
-
-    fn assert_declaration_exists(&self, decl: DeclarationId, context: &str) {
-        assert!(
-            self.declarations.get(decl.index()).is_some(),
-            "{context}: unknown declaration {:?}",
-            decl
-        );
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::dag::literal_bits_int;
-    use crate::operators::{ArithmeticOp, ComparisonOp, OperatorKind};
-
-    fn span() -> SourceSpan {
-        SourceSpan::new("<builder-test>", 0, 0)
-    }
-
-    fn push_test_declaration(
-        dag: &mut Dag,
-        name: Option<&str>,
-        connective: TypeConnective,
-        type_params: Vec<DeclarationId>,
-    ) -> DeclarationId {
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: name.map(str::to_string),
-            connective,
-            type_params,
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span(),
-        });
-        id
-    }
-
-    #[test]
-    fn alloc_port_with_shape_marks_port_resolved() {
-        let mut dag = Dag::new();
-        let int_shape = dag.int_shape().expect("bootstrap Int");
-        let port = dag.alloc_port_with_shape(int_shape);
-        let port_ref = dag.port(port);
-        assert_eq!(port_ref.produced_by, None);
-        assert_eq!(port_ref.state(), &PortState::Resolved(int_shape));
-    }
-
-    #[test]
-    fn push_value_sets_output_shape_and_producer() {
-        let mut dag = Dag::new();
-        let output = dag.push_value(literal_bits_int(7), span());
-        let producer = dag.port(output).produced_by.expect("value producer");
-        let value = dag.node(producer).as_value().expect("value node");
-        assert_eq!(value.output, output);
-        assert_eq!(value.data, literal_bits_int(7));
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(dag.int_shape().expect("bootstrap Int"))
-        );
-    }
-
-    /// Hand-built substrate receipt for `+` as `TransformTarget::Operator`:
-    /// resolved `Int` output without the compile pipeline. Lowering coverage
-    /// for surface `+` stays in `m1_substrate_test::m17_operator_lowers_to_structural_transform_target`.
-    #[test]
-    fn hand_built_operator_add_transform_carries_structural_target_and_int_shape() {
-        let mut dag = Dag::new();
-        let a = dag.push_value(literal_bits_int(1), span());
-        let b = dag.push_value(literal_bits_int(2), span());
-        let out = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![a, b],
-            span(),
-        );
-        let int_shape = dag.int_shape().expect("bootstrap Int");
-        assert_eq!(dag.port(out).state(), &PortState::Resolved(int_shape));
-        let producer = dag.port(out).produced_by.expect("transform producer");
-        let t = dag.node(producer).as_transform().expect("transform node");
-        assert!(matches!(
-            t.target,
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add))
-        ));
-    }
-
-    #[test]
-    fn push_transform_seeds_callable_output_shape() {
-        let mut dag = Dag::new();
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let input = dag.alloc_port_with_shape(TypeShape::new(int_decl));
-        let arrow = push_test_declaration(
-            &mut dag,
-            Some("test_arrow"),
-            TypeConnective::Arrow {
-                inputs: vec![int_decl],
-                output: int_decl,
-                body: ArrowBody::NoBody,
-            },
-            Vec::new(),
-        );
-        let callable = dag.push_atom(
-            Some("test_callable".to_string()),
-            AtomPayload::ResolvedByStructure(arrow),
-            span(),
-        );
-
-        let output = dag.push_transform(TransformTarget::Callable(callable), vec![input], span());
-        let producer = dag.port(output).produced_by.expect("transform producer");
-        let transform = dag.node(producer).as_transform().expect("transform node");
-        assert_eq!(transform.output, output);
-        assert_eq!(transform.inputs, vec![input]);
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(TypeShape::new(int_decl))
-        );
-    }
-
-    #[test]
-    fn push_transform_specializes_instantiated_callable_output_shape() {
-        let mut dag = Dag::new();
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let input = dag.alloc_port_with_shape(TypeShape::new(int_decl));
-        let type_param = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            Vec::new(),
-        );
-        let generic_callable = push_test_declaration(
-            &mut dag,
-            Some("generic_identity"),
-            TypeConnective::Arrow {
-                inputs: vec![type_param],
-                output: type_param,
-                body: ArrowBody::NoBody,
-            },
-            vec![type_param],
-        );
-        let specialized_callable = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Instantiation {
-                template: generic_callable,
-                arguments: vec![TemplateArgument {
-                    parameter: type_param,
-                    value: int_decl,
-                }],
-            },
-            Vec::new(),
-        );
-
-        let output = dag.push_transform(
-            TransformTarget::Callable(specialized_callable),
-            vec![input],
-            span(),
-        );
-
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(TypeShape::new(int_decl))
-        );
-    }
-
-    #[test]
-    fn push_transform_specializes_nested_instantiated_output_shape() {
-        let mut dag = Dag::new();
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let input = dag.alloc_port_with_shape(TypeShape::new(int_decl));
-        let type_param = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            Vec::new(),
-        );
-        let list_template = push_test_declaration(
-            &mut dag,
-            Some("TestList"),
-            TypeConnective::Cardinality(CardinalityPayload::new_unchecked_bypassing_idempotence(
-                type_param,
-                CardinalityBound::Unbounded,
-            )),
-            vec![type_param],
-        );
-        let list_of_t = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Instantiation {
-                template: list_template,
-                arguments: vec![TemplateArgument {
-                    parameter: type_param,
-                    value: type_param,
-                }],
-            },
-            Vec::new(),
-        );
-        let list_of_int = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Instantiation {
-                template: list_template,
-                arguments: vec![TemplateArgument {
-                    parameter: type_param,
-                    value: int_decl,
-                }],
-            },
-            Vec::new(),
-        );
-        let generic_callable = push_test_declaration(
-            &mut dag,
-            Some("generic_wrap"),
-            TypeConnective::Arrow {
-                inputs: vec![type_param],
-                output: list_of_t,
-                body: ArrowBody::NoBody,
-            },
-            vec![type_param],
-        );
-        let specialized_callable = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Instantiation {
-                template: generic_callable,
-                arguments: vec![TemplateArgument {
-                    parameter: type_param,
-                    value: int_decl,
-                }],
-            },
-            Vec::new(),
-        );
-
-        let output = dag.push_transform(
-            TransformTarget::Callable(specialized_callable),
-            vec![input],
-            span(),
-        );
-
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(TypeShape::new(list_of_int))
-        );
-    }
-
-    #[test]
-    fn push_transform_leaves_refined_generic_output_uninferred_without_materialized_carrier() {
-        let mut dag = Dag::new();
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let bool_decl = dag
-            .declaration_by_name("Bool")
-            .expect("bootstrap Bool declaration")
-            .id;
-        let input = dag.alloc_port_with_shape(TypeShape::new(int_decl));
-        let type_param = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            Vec::new(),
-        );
-        let predicate = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Arrow {
-                inputs: vec![type_param],
-                output: bool_decl,
-                body: ArrowBody::NoBody,
-            },
-            Vec::new(),
-        );
-        let refined_type_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: refined_type_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(type_param)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(predicate),
-            nominal_opacity: None,
-            span: span(),
-        });
-        let generic_callable = push_test_declaration(
-            &mut dag,
-            Some("generic_refined"),
-            TypeConnective::Arrow {
-                inputs: vec![type_param],
-                output: refined_type_param,
-                body: ArrowBody::NoBody,
-            },
-            vec![type_param],
-        );
-        let specialized_callable = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Instantiation {
-                template: generic_callable,
-                arguments: vec![TemplateArgument {
-                    parameter: type_param,
-                    value: int_decl,
-                }],
-            },
-            Vec::new(),
-        );
-
-        let output = dag.push_transform(
-            TransformTarget::Callable(specialized_callable),
-            vec![input],
-            span(),
-        );
-
-        assert_eq!(dag.port(output).state(), &PortState::Uninferred);
-    }
-
-    #[test]
-    fn push_transform_resolved_field_project_seeds_output_from_label_authority() {
-        let mut dag = Dag::new();
-        let int_ty = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let bool_ty = dag
-            .declaration_by_name("Bool")
-            .expect("bootstrap Bool declaration")
-            .id;
-        let point_ty = push_test_declaration(
-            &mut dag,
-            Some("Point"),
-            TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "x".to_string(),
-                        ty: int_ty,
-                    },
-                    Field {
-                        label: "y".to_string(),
-                        ty: bool_ty,
-                    },
-                ],
-            },
-            Vec::new(),
-        );
-        let parent = dag.alloc_port_with_shape(TypeShape::new(point_ty));
-
-        let output = dag.push_transform(
-            TransformTarget::ResolvedFieldProject {
-                field_label: "y".to_string(),
-            },
-            vec![parent],
-            span(),
-        );
-
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(TypeShape::new(bool_ty))
-        );
-    }
-
-    #[test]
-    fn push_transform_unresolved_field_project_does_not_seed_output_shape() {
-        let mut dag = Dag::new();
-        let int_ty = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let point_ty = push_test_declaration(
-            &mut dag,
-            Some("Point"),
-            TypeConnective::Conj {
-                children: vec![Field {
-                    label: "x".to_string(),
-                    ty: int_ty,
-                }],
-            },
-            Vec::new(),
-        );
-        let parent = dag.alloc_port_with_shape(TypeShape::new(point_ty));
-
-        let output = dag.push_transform(
-            TransformTarget::UnresolvedFieldProject {
-                field_label: "x".to_string(),
-            },
-            vec![parent],
-            span(),
-        );
-
-        assert_eq!(dag.port(output).state(), &PortState::Uninferred);
-    }
-
-    #[test]
-    fn push_bind_reuses_supplied_value_port() {
-        let mut dag = Dag::new();
-        let value = dag.push_value(LiteralBits::Bool(true), span());
-        let param = dag.alloc_port_with_shape(dag.bool_shape().expect("bootstrap Bool"));
-
-        let bind_id = dag.push_bind("flag", value, vec![param], span());
-        let bind = dag.node(bind_id).as_bind().expect("bind node");
-        assert_eq!(bind.name, "flag");
-        assert_eq!(bind.value, value);
-        assert_eq!(bind.params, vec![param]);
-        assert_eq!(bind.result_port(), value);
-    }
-
-    #[test]
-    fn push_branch_reuses_arm_shapes_for_output() {
-        let mut dag = Dag::new();
-        let cond = dag.push_value(LiteralBits::Bool(true), span());
-        let lhs = dag.push_value(literal_bits_int(1), span());
-        let rhs = dag.push_value(literal_bits_int(2), span());
-        let lhs_body = dag.push_bind("lhs", lhs, Vec::new(), span());
-        let rhs_body = dag.push_bind("rhs", rhs, Vec::new(), span());
-
-        let output = dag.push_branch(
-            cond,
-            vec![
-                Path {
-                    body: lhs_body,
-                    output: lhs,
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Left".to_string(),
-                        span: span(),
-                    },
-                    binding: None,
-                },
-                Path {
-                    body: rhs_body,
-                    output: rhs,
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Right".to_string(),
-                        span: span(),
-                    },
-                    binding: None,
-                },
-            ],
-            span(),
-        );
-
-        let producer = dag.port(output).produced_by.expect("branch producer");
-        let branch = dag.node(producer).as_branch().expect("branch node");
-        assert_eq!(branch.input, cond);
-        assert_eq!(branch.output, output);
-        assert_eq!(branch.paths.len(), 2);
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(dag.int_shape().expect("bootstrap Int"))
-        );
-    }
-
-    #[test]
-    fn push_loop_reuses_init_shape_for_output() {
-        let mut dag = Dag::new();
-        let source = dag.push_value(literal_bits_int(4), span());
-        let count = dag.push_value(literal_bits_int(8), span());
-        let init = dag.push_value(literal_bits_int(0), span());
-        let body = dag.push_bind("loop_body", init, Vec::new(), span());
-        let bound = LoopBound::Cardinality { count };
-
-        let output = dag.push_loop(source, init, body, bound, span());
-
-        let producer = dag.port(output).produced_by.expect("loop producer");
-        let loop_node = dag.node(producer).as_loop().expect("loop node");
-        assert_eq!(loop_node.source, source);
-        assert_eq!(loop_node.init, init);
-        assert_eq!(loop_node.body, body);
-        assert_eq!(loop_node.bound, LoopBound::Cardinality { count });
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(dag.int_shape().expect("bootstrap Int"))
-        );
-    }
-
-    #[test]
-    fn push_conj_allocates_named_record_declaration() {
-        let mut dag = Dag::new();
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let decl_id = dag.push_conj(
-            Some("Point".to_string()),
-            vec![
-                Field {
-                    label: "x".to_string(),
-                    ty: int_decl,
-                },
-                Field {
-                    label: "y".to_string(),
-                    ty: int_decl,
-                },
-            ],
-            span(),
-        );
-
-        let decl = dag.declaration(decl_id);
-        assert_eq!(decl.name.as_deref(), Some("Point"));
-        let TypeConnective::Conj { children } = &decl.connective else {
-            panic!("expected Conj declaration");
-        };
-        assert_eq!(children.len(), 2);
-        assert_eq!(children[0].label, "x");
-        assert_eq!(children[1].label, "y");
-    }
-
-    #[test]
-    fn push_atom_allocates_named_atom_declaration() {
-        let mut dag = Dag::new();
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let decl_id = dag.push_atom(
-            Some("IntAlias".to_string()),
-            AtomPayload::ResolvedByStructure(int_decl),
-            span(),
-        );
-
-        let decl = dag.declaration(decl_id);
-        assert_eq!(decl.name.as_deref(), Some("IntAlias"));
-        let TypeConnective::Atom(AtomPayload::ResolvedByStructure(target)) = &decl.connective
-        else {
-            panic!("expected Atom(ResolvedByStructure(_)) declaration");
-        };
-        assert_eq!(*target, int_decl);
-    }
-
-    #[test]
-    #[should_panic(expected = "push_transform(Operator) requires exactly two input ports")]
-    fn push_transform_rejects_wrong_operator_arity() {
-        let mut dag = Dag::new();
-        let lhs = dag.push_value(literal_bits_int(1), span());
-        let _ = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs],
-            span(),
-        );
-    }
-
-    #[test]
-    fn push_transform_comparison_uses_bool_shape() {
-        let mut dag = Dag::new();
-        let lhs = dag.push_value(literal_bits_int(1), span());
-        let rhs = dag.push_value(literal_bits_int(2), span());
-
-        let output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Lt)),
-            vec![lhs, rhs],
-            span(),
-        );
-
-        assert_eq!(
-            dag.port(output).state(),
-            &PortState::Resolved(dag.bool_shape().expect("bootstrap Bool"))
-        );
-    }
-
-    #[test]
-    #[should_panic(
-        expected = "push_transform(Callable) requires exactly 1 runtime input port(s), got 0"
-    )]
-    fn push_transform_rejects_wrong_callable_arity() {
-        let mut dag = Dag::new();
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("bootstrap Int declaration")
-            .id;
-        let callable = push_test_declaration(
-            &mut dag,
-            Some("unary"),
-            TypeConnective::Arrow {
-                inputs: vec![int_decl],
-                output: int_decl,
-                body: ArrowBody::NoBody,
-            },
-            Vec::new(),
-        );
-
-        let _ = dag.push_transform(TransformTarget::Callable(callable), Vec::new(), span());
-    }
-
-    #[test]
-    #[should_panic(expected = "push_transform(FieldProject) requires exactly one input port")]
-    fn push_transform_rejects_resolved_field_project_bad_arity() {
-        let mut dag = Dag::new();
-
-        let _ = dag.push_transform(
-            TransformTarget::ResolvedFieldProject {
-                field_label: "nodes".to_string(),
-            },
-            vec![],
-            span(),
-        );
-    }
-
-    /// If substitution leaves the `Cardinality` *element* id unchanged, we must still
-    /// apply the nested-`AtMostOne` idempotence rule (same as `alloc_cardinality_decl`)
-    /// *before* returning the outer declaration, or a redundant optional wrapper
-    /// persists through specialization.
-    #[test]
-    fn resolve_decl_with_subst_uses_idempotence_before_noop_subst() {
-        let mut dag = Dag::new();
-        let int_decl = dag.declaration_by_name("Int").expect("bootstrap Int").id;
-        let opt_int = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Cardinality(CardinalityPayload::new_unchecked_bypassing_idempotence(
-                int_decl,
-                CardinalityBound::AtMostOne,
-            )),
-            Vec::new(),
-        );
-        let outer_stale = push_test_declaration(
-            &mut dag,
-            None,
-            TypeConnective::Cardinality(CardinalityPayload::new_unchecked_bypassing_idempotence(
-                opt_int,
-                CardinalityBound::AtMostOne,
-            )),
-            Vec::new(),
-        );
-        let no_subst: &[Vec<TemplateArgument>] = &[];
-        assert_eq!(
-            dag.resolve_decl_with_subst(outer_stale, no_subst, 0),
-            Some(opt_int)
-        );
-    }
-
-    #[test]
-    #[should_panic(expected = "push_branch(path.pattern): unknown declaration")]
-    fn push_branch_rejects_unknown_resolved_variant() {
-        let mut dag = Dag::new();
-        let cond = dag.push_value(LiteralBits::Bool(true), span());
-        let arm_output = dag.push_value(literal_bits_int(1), span());
-        let arm_body = dag.push_bind("arm", arm_output, Vec::new(), span());
-
-        let _ = dag.push_branch(
-            cond,
-            vec![Path {
-                body: arm_body,
-                output: arm_output,
-                pattern: BranchPattern::ResolvedVariant(DeclarationId(u32::MAX)),
-                binding: None,
-            }],
-            span(),
-        );
-    }
-}
diff --git a/src/v3/compiler/src/dag/cardinality_payload.rs b/src/v3/compiler/src/dag/cardinality_payload.rs
deleted file mode 100644
index 53bb0e86525..00000000000
--- a/src/v3/compiler/src/dag/cardinality_payload.rs
+++ /dev/null
@@ -1,38 +0,0 @@
-use super::{CardinalityBound, DeclarationId};
-
-/// Payload for [`super::TypeConnective::Cardinality`].
-///
-/// Construction is restricted to `crate::dag::builder` (`alloc_cardinality_decl`)
-/// and `bootstrap_*_generated` modules under `dag`
-/// (`CardinalityPayload::new_unchecked_bypassing_idempotence`). Any call-site
-/// using the constructor by name is, by name, declaring that it is *not* going
-/// through `alloc_cardinality_decl`'s nested-`AtMostOne` idempotence rule —
-/// either the caller has already applied the rule (e.g. `alloc_cardinality_decl`
-/// itself, `type_connective_cardinality`), or the caller is a generated/test
-/// surface intentionally minting a raw payload.
-#[derive(Debug, Clone)]
-pub struct CardinalityPayload {
-    element: DeclarationId,
-    bound: CardinalityBound,
-}
-
-impl CardinalityPayload {
-    /// Bypass-discipline visible at call-site (T-ImpossibleBugs nested-optional
-    /// codegen-bypass closure, Path B / Director #828): callers MUST either
-    /// have already applied the `cardinality_idempotent_target` rule, or be a
-    /// generated/test surface.
-    pub(in crate::dag) fn new_unchecked_bypassing_idempotence(
-        element: DeclarationId,
-        bound: CardinalityBound,
-    ) -> Self {
-        Self { element, bound }
-    }
-
-    pub fn element(&self) -> DeclarationId {
-        self.element
-    }
-
-    pub fn bound(&self) -> CardinalityBound {
-        self.bound
-    }
-}
diff --git a/src/v3/compiler/src/dag/effects.rs b/src/v3/compiler/src/dag/effects.rs
deleted file mode 100644
index 81f7b892f79..00000000000
--- a/src/v3/compiler/src/dag/effects.rs
+++ /dev/null
@@ -1,516 +0,0 @@
-//! `std.effects` mirror (DB-18 / Lane 2 Stage 2b).
-//!
-//! Structural carriers aligned with `src/v3/std/effects.dag` — the
-//! compiler-side authority for `compose_effects`, [`WorkflowEffect`], and
-//! [`BranchArm`] until the self-hosted pipeline consumes the `.dag` forms
-//! directly.
-//!
-//! Each coproduct / boundary carrier below carries its own 🟢/🟡
-//! dissolution stamp (modeling-discipline principle 4); do not rely on
-//! the module banner alone. 🔴 does not appear in this block — there is
-//! no intentionally-wrong deferred carrier here; unsupported control
-//! flow is modeled via explicit sums, not silent placeholders.
-//!
-//! The L4b extraction has since grown the native Stage 2 bridge for
-//! `Operation`-based effect classification; see `operation_effect_shape` for
-//! the live transitional contract and dissolution receipt.
-
-use std::collections::BTreeMap;
-use std::fmt;
-
-use super::{BoolPortRef, Dag, DeclarationId, ElementRef, NonSingletonList};
-
-/// 🟢 **TERMINAL.** HTTP verb literals — 1:1 with `std.effects` `HttpMethod`;
-/// naming authority is `effects.dag`.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub enum HttpMethodScalar {
-    Get,
-    Post,
-    Put,
-    Patch,
-    Delete,
-    Head,
-    Options,
-}
-
-impl HttpMethodScalar {
-    pub fn token(self) -> &'static str {
-        match self {
-            Self::Get => "GET",
-            Self::Post => "POST",
-            Self::Put => "PUT",
-            Self::Patch => "PATCH",
-            Self::Delete => "DELETE",
-            Self::Head => "HEAD",
-            Self::Options => "OPTIONS",
-        }
-    }
-
-    pub fn from_token(token: &str) -> Option<Self> {
-        match token {
-            "GET" => Some(Self::Get),
-            "POST" => Some(Self::Post),
-            "PUT" => Some(Self::Put),
-            "PATCH" => Some(Self::Patch),
-            "DELETE" => Some(Self::Delete),
-            "HEAD" => Some(Self::Head),
-            "OPTIONS" => Some(Self::Options),
-            _ => None,
-        }
-    }
-}
-
-impl fmt::Display for HttpMethodScalar {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        f.write_str(self.token())
-    }
-}
-
-/// 🟢 **TERMINAL.** Where a stable idempotency key comes from — mirrors
-/// `KeySource` in `effects.dag`; no parallel spelling.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum KeySource {
-    PathParam { param: String },
-    InputField { field: String },
-}
-
-/// 🟢 **TERMINAL.** Why a create-shaped op is classified breaking — mirrors
-/// `CreateCause` in `effects.dag`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CreateCause {
-    PostAlways,
-    KeylessFallback { method: HttpMethodScalar },
-}
-
-/// 🟢 **TERMINAL.** Idempotent-side effect shapes — mirrors `IdempotentShape`
-/// in `effects.dag`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum IdempotentShape {
-    ReadEffect,
-    UpsertEffect { key_source: KeySource },
-    DeleteEffect { key_source: KeySource },
-}
-
-/// 🟢 **TERMINAL.** Breaking-side effect shapes — mirrors `BreakingShape` in
-/// `effects.dag`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum BreakingShape {
-    CreateEffect { cause: CreateCause },
-    AppendEffect,
-}
-
-/// 🟢 **TERMINAL.** Classified per-op shape — sum of idempotent vs breaking
-/// carriers; mirrors `EffectShape` in `effects.dag`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum EffectShape {
-    IsIdempotent(IdempotentShape),
-    IsBreaking(BreakingShape),
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum EffectClassificationFailure {
-    StdMethodAnchorResolutionFailed,
-    UnknownOperationCallable,
-}
-
-/// 🟢 **TERMINAL.** Path token used by `Operation.endpoint.path`; mirrors the
-/// path-template authority imported by `services.dag`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum UrlPathToken {
-    LiteralToken { text: String },
-    ParamToken { name: String },
-}
-
-/// 🟢 **TERMINAL.** REST path template carried by `Operation.endpoint`.
-#[derive(Debug, Clone, PartialEq, Eq, Default)]
-pub struct PathTemplate {
-    pub tokens: Vec<UrlPathToken>,
-}
-
-/// 🟢 **TERMINAL.** Per-input metadata slot keyed by `Operation.inputs`.
-#[derive(Debug, Clone, PartialEq, Eq, Default)]
-pub struct InputField {}
-
-/// 🟡 **TRANSITIONAL.** Native mirror of `services.dag::CallableRef`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct CallableRef {
-    pub decl: DeclarationId,
-}
-
-/// 🟢 **TERMINAL.** Native mirror of `services.dag::RestEndpointBinding`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct RestEndpointBinding {
-    pub method: HttpMethodScalar,
-    pub path: PathTemplate,
-}
-
-/// 🟢 **TERMINAL.** Canonical service operation row.
-///
-/// This intentionally has no authored effect-shape field. Stage 2 derives the
-/// effect partition from `endpoint` until callable inhabitance facts are
-/// executable through the bootstrapped evaluator.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct Operation {
-    pub callable: CallableRef,
-    pub inputs: BTreeMap<String, InputField>,
-    pub endpoint: RestEndpointBinding,
-}
-
-/// 🟢 **TERMINAL at current Stage 2b scope.** Result of linear
-/// `compose_effects` — mirrors `CompositionVerdict` in `effects.dag`.
-/// `ElementRef<Operation>` closes the "copied standalone breaker
-/// record" hole by replacing the copied payload with a validated index,
-/// but it does not by itself preserve the owner list identity or prove
-/// the pointed operation is breaking. Those facts are still established
-/// by [`compose_operation_effects`] and by callers resolving against the
-/// matching workflow evidence chain, and are tracked as the same
-/// constructor-validation asymmetry class as other reflected handles until
-/// the substrate grows an owner-bound, breaking-only witness.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CompositionVerdict {
-    IdempotentComposition,
-    BrokenBy {
-        first_breaker: ElementRef<Operation>,
-    },
-}
-
-/// 🟢 **TERMINAL.** Branch arm: [`BoolPortRef`] condition + nested workflow body.
-/// Construct with [`BranchArm::new`] once [`super::Dag::bool_port_of`] has validated the
-/// predicate port.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct BranchArm {
-    condition: BoolPortRef,
-    body: Box<WorkflowEffect>,
-}
-
-/// 🟢 **TERMINAL.** Four-variant workflow sum aligned with `effects.dag`;
-/// Stage 2b analyzes `LinearEffect` only — non-linear variants surface
-/// `IdempotencyUnsupported` until branch-wise algebra lands.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum WorkflowEffect {
-    LinearEffect {
-        ops: Vec<Operation>,
-    },
-    BranchEffect {
-        arms: NonSingletonList<BranchArm>,
-    },
-    LoopEffect {
-        body: Box<WorkflowEffect>,
-    },
-    ParallelEffect {
-        branches: NonSingletonList<Box<WorkflowEffect>>,
-    },
-}
-
-impl BranchArm {
-    pub fn new(condition: BoolPortRef, body: WorkflowEffect) -> Self {
-        Self {
-            condition,
-            body: Box::new(body),
-        }
-    }
-
-    pub fn bool_port(&self) -> BoolPortRef {
-        self.condition
-    }
-
-    /// Back-compat alias for the condition field name used in early DB-18 tests.
-    pub fn branch_predicate(&self) -> BoolPortRef {
-        self.condition
-    }
-
-    pub fn body(&self) -> &WorkflowEffect {
-        &self.body
-    }
-}
-
-impl WorkflowEffect {
-    pub fn operation_at(&self, element: ElementRef<Operation>) -> Option<&Operation> {
-        match self {
-            Self::LinearEffect { ops } => element.get(ops),
-            Self::ParallelEffect { branches } => {
-                let mut remaining = element.index_of();
-                for branch in branches.iter() {
-                    let Self::LinearEffect { ops } = branch.as_ref() else {
-                        return None;
-                    };
-                    if let Some(op) = ops.get(remaining) {
-                        return Some(op);
-                    }
-                    remaining = remaining.checked_sub(ops.len())?;
-                }
-                None
-            }
-            Self::BranchEffect { .. } | Self::LoopEffect { .. } => None,
-        }
-    }
-}
-
-/// 🟢 **TERMINAL.** Explicit unsupported payload — names variant + stage +
-/// reason; not a silent `Option` alongside a verdict.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct IdempotencyUnsupportedDetail {
-    pub variant_name: String,
-    pub downstream_stage: String,
-    pub reason: String,
-}
-
-/// 🟢 **TERMINAL.** Stage 2b lens report sum — success path vs explicit
-/// unsupported; mirrors `WorkflowIdempotencyReport` in `effects.dag`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum WorkflowIdempotencyReport {
-    WorkflowCompositionVerdict(CompositionVerdict),
-    IdempotencyUnsupported(IdempotencyUnsupportedDetail),
-}
-
-/// 🟢 **TERMINAL.** Stage 2e parallel-lens unsupported classes — mirrors
-/// `ParallelismUnsupportedKind` in `effects.dag` (distinct from Stage 2b
-/// `IdempotencyUnsupportedDetail.variant_name`).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum ParallelismUnsupportedKind {
-    NoWorkflowProjection,
-    NotParallelEffectRoot,
-    NonLinearParallelBranch,
-    PairwiseNonCommute { left: Operation, right: Operation },
-    EffectClassificationUnavailable,
-    LensSurfacePending,
-}
-
-/// 🟢 **TERMINAL.** Parallelism lens explicit unsupported payload — mirrors
-/// `ParallelismUnsupportedDetail` in `effects.dag`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct ParallelismUnsupportedDetail {
-    pub kind: ParallelismUnsupportedKind,
-    pub downstream_stage: String,
-    pub reason: String,
-}
-
-/// 🟢 **TERMINAL.** Lane 2 Stage 2e parallelism lens report — mirrors
-/// `WorkflowParallelismReport` in `effects.dag` (DB-20).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum WorkflowParallelismReport {
-    ParallelCompositionVerdict(CompositionVerdict),
-    ParallelismUnsupported(ParallelismUnsupportedDetail),
-}
-
-// ── Lane 2 Stage 2b — native `Dag` substrate realization (std.effects shape) ──
-//
-// Authoritative algebra is **authored** in `src/v3/std/effects.dag`
-// (`compose_effects`, `lane2_workflow_idempotency_report`, …).
-//
-// **R3 gate #4 receipt (codex / inline review 2026-05-11):** the §Acceptance
-// clause “crate API consumes **emitted/evaluated** `std.effects` as sole
-// authority” is **not** satisfied by this Rust alone: in the bootstrapped
-// compiler `Dag`, `lane2_workflow_idempotency_report` is still
-// `ArrowBody::Unparsed` (see `lane2_stage_2b_db18_test` ratchet below / snapshot
-// `Declaration` for that name). Until that body lowers and a host bridge calls
-// through `evaluate_body` (or emitted Rust is `include!`d as the sole
-// implementation), the compiler keeps one **native** projection here,
-// co-located with the structural carriers — **P5** dissolution receipt for the
-// **retired parallel module** `workflow_idempotency.rs` (single **P2**
-// co-located realization vs a second hand-authored module), not a claim of full
-// evaluator-backed dissolution.
-
-pub fn operation_effect_shape(dag: &Dag, effect: &Operation) -> Option<EffectShape> {
-    classify_operation_effect(dag, effect).ok()
-}
-
-pub(crate) fn classify_operation_effect(
-    dag: &Dag,
-    effect: &Operation,
-) -> Result<EffectShape, EffectClassificationFailure> {
-    let callable = effect.callable.decl;
-    let Some(methods) = StdEffectMethodAnchors::resolve(dag) else {
-        return Err(EffectClassificationFailure::StdMethodAnchorResolutionFailed);
-    };
-    if callable == methods.append {
-        return Ok(EffectShape::IsBreaking(BreakingShape::AppendEffect));
-    }
-    if callable == methods.concat {
-        return Ok(EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::PostAlways,
-        }));
-    }
-    if methods.reads.contains(&callable) {
-        return Ok(EffectShape::IsIdempotent(IdempotentShape::ReadEffect));
-    }
-    if methods.upserts.contains(&callable) {
-        return Ok(keyed_upsert_or_keyless_break(effect));
-    }
-    if callable == methods.delete {
-        return Ok(keyed_delete_or_keyless_break(effect));
-    }
-    Err(EffectClassificationFailure::UnknownOperationCallable)
-}
-
-struct StdEffectMethodAnchors {
-    append: DeclarationId,
-    concat: DeclarationId,
-    reads: [DeclarationId; 7],
-    upserts: [DeclarationId; 3],
-    delete: DeclarationId,
-}
-
-impl StdEffectMethodAnchors {
-    fn resolve(dag: &Dag) -> Option<Self> {
-        Some(Self {
-            append: unique_decl_id(dag, "append_method")?,
-            concat: unique_decl_id(dag, "concat_method")?,
-            reads: [
-                unique_decl_id(dag, "get_method")?,
-                unique_decl_id(dag, "lookup_method")?,
-                unique_decl_id(dag, "map_get_method")?,
-                unique_decl_id(dag, "has_method")?,
-                unique_decl_id(dag, "map_has_method")?,
-                unique_decl_id(dag, "count_method")?,
-                unique_decl_id(dag, "length_method")?,
-            ],
-            upserts: [
-                unique_decl_id(dag, "map_insert_method")?,
-                unique_decl_id(dag, "replace_method")?,
-                unique_decl_id(dag, "with_method")?,
-            ],
-            delete: unique_decl_id(dag, "diff_method")?,
-        })
-    }
-}
-
-fn unique_decl_id(dag: &Dag, name: &str) -> Option<DeclarationId> {
-    let mut matches = dag
-        .declarations()
-        .iter()
-        .filter(|decl| decl.name.as_deref() == Some(name))
-        .map(|decl| decl.id);
-    let first = matches.next()?;
-    if matches.next().is_some() {
-        return None;
-    }
-    Some(first)
-}
-
-fn keyed_upsert_or_keyless_break(effect: &Operation) -> EffectShape {
-    match operation_resource_key(effect) {
-        Some(param) => EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-            key_source: KeySource::PathParam { param },
-        }),
-        None => keyless_break(effect),
-    }
-}
-
-fn keyed_delete_or_keyless_break(effect: &Operation) -> EffectShape {
-    match operation_resource_key(effect) {
-        Some(param) => EffectShape::IsIdempotent(IdempotentShape::DeleteEffect {
-            key_source: KeySource::PathParam { param },
-        }),
-        None => keyless_break(effect),
-    }
-}
-
-fn keyless_break(effect: &Operation) -> EffectShape {
-    EffectShape::IsBreaking(BreakingShape::CreateEffect {
-        cause: CreateCause::KeylessFallback {
-            method: effect.endpoint.method,
-        },
-    })
-}
-
-fn operation_resource_key(effect: &Operation) -> Option<String> {
-    last_path_param(effect)
-}
-
-fn last_path_param(effect: &Operation) -> Option<String> {
-    effect.endpoint.path.tokens.iter().rev().find_map(|token| {
-        let UrlPathToken::ParamToken { name } = token else {
-            return None;
-        };
-        effect.inputs.contains_key(name).then(|| name.clone())
-    })
-}
-
-pub(crate) fn compose_operation_effects(
-    dag: &Dag,
-    effects: &[Operation],
-) -> Result<CompositionVerdict, EffectClassificationFailure> {
-    for (index, effect) in effects.iter().enumerate() {
-        if matches!(
-            classify_operation_effect(dag, effect)?,
-            EffectShape::IsBreaking(_)
-        ) {
-            let first_breaker = ElementRef::from_slice(effects, index)
-                .expect("enumerated workflow effect index must stay in-bounds");
-            return Ok(CompositionVerdict::BrokenBy { first_breaker });
-        }
-    }
-    Ok(CompositionVerdict::IdempotentComposition)
-}
-
-/// Pure projection used by Stage 2b — kept aligned with
-/// `std.effects::report_unsupported_workflow_variant`. Exported for
-/// `emit_rust_module` output from `src/v3/lenses/idempotency.dag` (rustc
-/// round-trip in `m2_lens_idempotency_migration_test`).
-pub fn report_unsupported_workflow_variant(
-    variant_name: &str,
-    downstream_stage: &str,
-    reason: &str,
-) -> WorkflowIdempotencyReport {
-    WorkflowIdempotencyReport::IdempotencyUnsupported(IdempotencyUnsupportedDetail {
-        variant_name: variant_name.to_string(),
-        downstream_stage: downstream_stage.to_string(),
-        reason: reason.to_string(),
-    })
-}
-
-/// Native-Dag entry for the `std.effects::lane2_workflow_idempotency_report`
-/// algebra (same cases as the `.dag` `match`).
-pub fn lane2_workflow_idempotency_report(
-    dag: &Dag,
-    workflow: &WorkflowEffect,
-) -> WorkflowIdempotencyReport {
-    project_workflow_idempotency_report(dag, workflow)
-}
-
-pub(crate) fn project_workflow_idempotency_report(
-    dag: &Dag,
-    workflow: &WorkflowEffect,
-) -> WorkflowIdempotencyReport {
-    match workflow {
-        WorkflowEffect::LinearEffect { ops } => match compose_operation_effects(dag, ops.as_slice())
-        {
-            Ok(verdict) => WorkflowIdempotencyReport::WorkflowCompositionVerdict(verdict),
-            Err(
-                EffectClassificationFailure::StdMethodAnchorResolutionFailed
-                | EffectClassificationFailure::UnknownOperationCallable,
-            ) => {
-                WorkflowIdempotencyReport::IdempotencyUnsupported(IdempotencyUnsupportedDetail {
-                    variant_name: "LinearEffect".to_string(),
-                    downstream_stage: "lane2_stage2b_idempotency_lens".to_string(),
-                    reason: "std.effects method anchors are missing or ambiguous; operation effect classification cannot safely produce a CompositionVerdict".to_string(),
-                })
-            }
-        },
-        WorkflowEffect::BranchEffect { .. } => WorkflowIdempotencyReport::IdempotencyUnsupported(
-            IdempotencyUnsupportedDetail {
-                variant_name: "BranchEffect".to_string(),
-                downstream_stage: "lane2_stage2b_idempotency_lens".to_string(),
-                reason: "non-linear workflow; branch-wise idempotency composition is not in the Stage 2b algebra"
-                    .to_string(),
-            },
-        ),
-        WorkflowEffect::LoopEffect { .. } => WorkflowIdempotencyReport::IdempotencyUnsupported(
-            IdempotencyUnsupportedDetail {
-                variant_name: "LoopEffect".to_string(),
-                downstream_stage: "lane2_stage2b_idempotency_lens".to_string(),
-                reason: "non-linear workflow; loop-carried idempotency composition is not in the Stage 2b algebra"
-                    .to_string(),
-            },
-        ),
-        WorkflowEffect::ParallelEffect { .. } => WorkflowIdempotencyReport::IdempotencyUnsupported(
-            IdempotencyUnsupportedDetail {
-                variant_name: "ParallelEffect".to_string(),
-                downstream_stage: "lane2_stage2b_idempotency_lens".to_string(),
-                reason: "non-linear workflow; parallel idempotency composition is not in the Stage 2b algebra"
-                    .to_string(),
-            },
-        ),
-    }
-}
diff --git a/src/v3/compiler/src/dag/ports.rs b/src/v3/compiler/src/dag/ports.rs
deleted file mode 100644
index c2c66da017d..00000000000
--- a/src/v3/compiler/src/dag/ports.rs
+++ /dev/null
@@ -1,216 +0,0 @@
-//! Port + port-reference carriers extracted from `dag.rs` (L4b).
-//!
-//! Holds [`Port`] itself plus the small handle/witness structs
-//! ([`ParamRef`], [`TransformRef`], [`ElementRef`], [`BoolPortRef`]) and
-//! the non-trivial-arity list helpers ([`NonEmptyList`],
-//! [`NonSingletonList`]). No behavior change — the re-exports in the
-//! `dag` module root preserve the external API.
-
-use std::marker::PhantomData;
-
-use crate::types::TypeShape;
-
-use super::{NodeId, PortId, PortState};
-
-/// Three-state port type. Illegal combinations of "has a type" and "has a
-/// diagnostic" are unrepresentable by type:
-///
-///   - `Uninferred`: port exists but inference has not run on it yet.
-///     Transitional state during DAG construction and fixpoint iteration. The
-///     post-infer sweep drives every port to Resolved or Unresolved before
-///     compile_to_dag returns.
-///   - `Resolved(TypeShape)`: inference (or lowering from a declaration) has
-///     committed to a type.
-///   - `Unresolved`: inference or lowering detected a failure and called
-///     `Dag::mark_unresolved`. A diagnostic exists in the DiagnosticTable
-///     keyed by this port's id.
-///
-/// Biconditional (checked by the invariant audit test):
-///   state == Unresolved  iff  diagnostics.contains(port.id())
-///
-/// **Dissolution receipt: TERMINAL.** PortState is substrate, not an annotation.
-/// A Port carries a typed value forward in time.
-///
-/// `state` has a single authoritative location: the Port struct stored in
-/// Dag.ports. There are no stale copies — behaviors hold PortId references, not
-/// embedded Ports.
-#[derive(Debug, Clone)]
-pub struct Port {
-    pub(super) id: PortId,
-    pub(super) state: PortState,
-    pub produced_by: Option<NodeId>,
-}
-
-impl Port {
-    pub fn id(&self) -> PortId {
-        self.id
-    }
-
-    pub fn state(&self) -> &PortState {
-        &self.state
-    }
-
-    pub fn state_value(&self) -> PortState {
-        self.state.clone()
-    }
-
-    /// Backward-compat accessor: returns `Some(&TypeShape)` for Resolved ports,
-    /// `None` for Uninferred or Unresolved. Prefer `state()` when you need to
-    /// distinguish the three cases.
-    pub fn value_type(&self) -> Option<&TypeShape> {
-        match &self.state {
-            PortState::Resolved(ty) => Some(ty),
-            PortState::Uninferred | PortState::Unresolved => None,
-        }
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct ParamRef {
-    pub(super) member: NodeId,
-    pub(super) slot: usize,
-}
-
-impl ParamRef {
-    pub fn member_of(self) -> NodeId {
-        self.member
-    }
-
-    pub fn slot_of(self) -> usize {
-        self.slot
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct TransformRef(pub(super) NodeId);
-
-impl TransformRef {
-    pub fn node_id(self) -> NodeId {
-        self.0
-    }
-}
-
-/// 🟢 **TERMINAL at current Track 9 scope.** Generic index witness parallel to
-/// [`ParamRef`] / [`TransformRef`]. The only Rust constructor is
-/// [`ElementRef::from_slice`], which validates the index against the slice in
-/// scope. The handle does not retain owner identity after construction, so
-/// read sites must still resolve it against the same authority list they
-/// validated it against. The substrate field shape matches
-/// `src/v3/std/substrate.dag`; direct `.dag` construction gains the same
-/// authority in the Lane 3c cycle (ROADMAP Track 9 debt).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct ElementRef<T> {
-    index: usize,
-    _marker: PhantomData<fn() -> T>,
-}
-
-impl<T> ElementRef<T> {
-    pub fn index_of(self) -> usize {
-        self.index
-    }
-
-    pub fn from_slice(values: &[T], index: usize) -> Option<Self> {
-        values.get(index)?;
-        Some(Self {
-            index,
-            _marker: PhantomData,
-        })
-    }
-
-    pub fn get(self, values: &[T]) -> Option<&T> {
-        values.get(self.index)
-    }
-}
-
-/// 🟢 **TERMINAL.** Bool-typed branch predicate port — Track 9 parallel to
-/// [`ParamRef`] / [`TransformRef`]. The only Rust constructor is
-/// [`super::Dag::bool_port_of`], which checks the port resolves to `Bool`. The
-/// substrate field shape matches `src/v3/std/effects.dag`; direct `.dag`
-/// construction gains the same authority in the Lane 3c cycle (ROADMAP Track 9 debt).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct BoolPortRef {
-    pub(super) port: PortId,
-}
-
-impl BoolPortRef {
-    pub fn port_id(self) -> PortId {
-        self.port
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct NonEmptyList<T> {
-    pub first: T,
-    pub rest: Vec<T>,
-}
-
-impl<T> NonEmptyList<T> {
-    pub fn from_vec(values: Vec<T>) -> Option<Self> {
-        let mut iter = values.into_iter();
-        let first = iter.next()?;
-        Some(Self {
-            first,
-            rest: iter.collect(),
-        })
-    }
-
-    pub fn to_vec(&self) -> Vec<T>
-    where
-        T: Clone,
-    {
-        std::iter::once(self.first.clone())
-            .chain(self.rest.iter().cloned())
-            .collect()
-    }
-
-    pub fn iter(&self) -> impl Iterator<Item = &T> {
-        std::iter::once(&self.first).chain(self.rest.iter())
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct NonSingletonList<T> {
-    pub first: T,
-    pub second: T,
-    pub rest: Vec<T>,
-}
-
-impl<T> NonSingletonList<T> {
-    pub fn from_vec(values: Vec<T>) -> Option<Self> {
-        let mut iter = values.into_iter();
-        let first = iter.next()?;
-        let second = iter.next()?;
-        Some(Self {
-            first,
-            second,
-            rest: iter.collect(),
-        })
-    }
-
-    pub fn iter(&self) -> impl Iterator<Item = &T> {
-        std::iter::once(&self.first)
-            .chain(std::iter::once(&self.second))
-            .chain(self.rest.iter())
-    }
-
-    pub fn len(&self) -> usize {
-        2 + self.rest.len()
-    }
-
-    /// `NonSingletonList` always has at least two elements by construction;
-    /// this exists to satisfy clippy's `len_without_is_empty` lint and always
-    /// returns `false`.
-    pub fn is_empty(&self) -> bool {
-        false
-    }
-
-    pub fn to_vec(&self) -> Vec<T>
-    where
-        T: Clone,
-    {
-        std::iter::once(self.first.clone())
-            .chain(std::iter::once(self.second.clone()))
-            .chain(self.rest.iter().cloned())
-            .collect()
-    }
-}
diff --git a/src/v3/compiler/src/dag_branch_generated.rs b/src/v3/compiler/src/dag_branch_generated.rs
deleted file mode 100644
index 6abf5d36fd0..00000000000
--- a/src/v3/compiler/src/dag_branch_generated.rs
+++ /dev/null
@@ -1,25 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/substrate.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone)]
-pub enum BranchPattern {
-    UnresolvedVariant {
-        name: String,
-        span: SourceSpan,
-    },
-    ResolvedVariant(DeclarationId),
-}
-
-#[derive(Debug, Clone)]
-pub struct PayloadBinding {
-    pub binding_name: String,
-    pub payload_port: PortId,
-}
-
-#[derive(Debug, Clone)]
-pub struct Path {
-    pub body: NodeId,
-    pub output: PortId,
-    pub pattern: BranchPattern,
-    pub binding: Option<PayloadBinding>,
-}
diff --git a/src/v3/compiler/src/dag_cluster_generated.rs b/src/v3/compiler/src/dag_cluster_generated.rs
deleted file mode 100644
index 0f66e6aad21..00000000000
--- a/src/v3/compiler/src/dag_cluster_generated.rs
+++ /dev/null
@@ -1,29 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/substrate.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct MemberDescent {
-    pub param: ParamRef,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct IntraClusterCall {
-    pub transform: TransformRef,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct Cluster {
-    pub members: NonSingletonList<MemberDescent>,
-    pub intra_cluster_calls: NonEmptyList<IntraClusterCall>,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum LoopBound {
-    Cardinality {
-        count: PortId,
-    },
-    Descent {
-        cluster: ClusterId,
-        measure: PortId,
-    },
-}
diff --git a/src/v3/compiler/src/dag_cost_generated.rs b/src/v3/compiler/src/dag_cost_generated.rs
deleted file mode 100644
index 12dfc61b4c7..00000000000
--- a/src/v3/compiler/src/dag_cost_generated.rs
+++ /dev/null
@@ -1,312 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/algebra.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CollectionSizeEffect {
-    ShrinkEffect,
-    ProjectionEffect,
-    IdentityEffect,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CostShape {
-    ShapeConstant,
-    ShapeLinearScan,
-    ShapeIterateBody,
-    ShapeSortBody,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct MethodContract {
-    pub algebra_id: DeclarationId,
-    pub method_id: DeclarationId,
-    pub size_effect: Option<CollectionSizeEffect>,
-    pub cost_shape: Option<CostShape>,
-    pub callback_element_position: Option<i64>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum DegreeAtLeastTwo {
-    DegreeTwo,
-    DegreeSuccessor { previous: Box<DegreeAtLeastTwo> },
-}
-
-impl DegreeAtLeastTwo {
-    pub const TWO: Self = Self::DegreeTwo;
-
-    pub fn new(value: i64) -> Option<Self> {
-        match value {
-            2 => Some(Self::DegreeTwo),
-            v if v > 2 => Some(Self::DegreeSuccessor {
-                previous: Box::new(Self::new(v - 1)?),
-            }),
-            _ => None,
-        }
-    }
-
-    pub fn raw(&self) -> i64 {
-        match self {
-            Self::DegreeTwo => 2,
-            Self::DegreeSuccessor { previous } => previous.raw() + 1,
-        }
-    }
-}
-
-type BoxedSymbolicCostList = NonSingletonList<Box<SymbolicCost>>;
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum SymbolicCost {
-    ConstantCost { _0: i64 },
-    LinearCost { _0: SizeVariable },
-    PolynomialCost {
-        var: SizeVariable,
-        degree: DegreeAtLeastTwo,
-    },
-    ProductCost { _0: BoxedSymbolicCostList },
-    SumCost { _0: BoxedSymbolicCostList },
-    LogCost { _0: SizeVariable },
-    UnknownCost { _0: String },
-}
-
-#[derive(Debug, Clone)]
-pub struct SizeVariable {
-    pub source_port: PortId,
-    pub display_name: Option<String>,
-}
-
-impl PartialEq for SizeVariable {
-    fn eq(&self, other: &Self) -> bool {
-        self.source_port == other.source_port
-    }
-}
-
-impl Eq for SizeVariable {}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum AsymptoticClass {
-    ClassConstant,
-    ClassLog,
-    ClassLinear,
-    ClassLinearithmic,
-    ClassQuadratic,
-    ClassPolynomial { degree: PositiveDescentAmount },
-    ClassExponential,
-    ClassUnknown,
-}
-
-pub fn sequential(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost {
-    normalize(SymbolicCost::SumCost {
-        _0: boxed_cost_list_pair(a, b),
-    })
-}
-
-pub fn iterate(bound: SymbolicCost, body: SymbolicCost) -> SymbolicCost {
-    normalize(SymbolicCost::ProductCost {
-        _0: boxed_cost_list_pair(bound, body),
-    })
-}
-
-pub fn max_path(paths: &[SymbolicCost]) -> SymbolicCost {
-    paths
-        .iter()
-        .fold(SymbolicCost::ConstantCost { _0: 0 }, |acc, candidate| {
-            if dominates(candidate, &acc) {
-                candidate.clone()
-            } else if dominates(&acc, candidate) {
-                acc
-            } else {
-                sequential(acc, candidate.clone())
-            }
-        })
-}
-
-pub fn normalize(cost: SymbolicCost) -> SymbolicCost {
-    match cost {
-        SymbolicCost::SumCost { _0: terms } => {
-            reduce_sum(drop_additive_zero_terms(boxed_terms_to_vec(&terms)))
-        }
-        SymbolicCost::ProductCost { _0: terms } => {
-            reduce_product(drop_multiplicative_one(collapse_on_multiplicative_zero(
-                boxed_terms_to_vec(&terms),
-            )))
-        }
-        other => other,
-    }
-}
-
-fn boxed_cost_list_pair(a: SymbolicCost, b: SymbolicCost) -> BoxedSymbolicCostList {
-    BoxedSymbolicCostList {
-        first: Box::new(a),
-        second: Box::new(b),
-        rest: Vec::new(),
-    }
-}
-
-fn boxed_terms_to_vec(terms: &BoxedSymbolicCostList) -> Vec<SymbolicCost> {
-    terms.iter().map(|term| term.as_ref().clone()).collect()
-}
-
-fn drop_additive_zero_terms(terms: Vec<SymbolicCost>) -> Vec<SymbolicCost> {
-    terms
-        .into_iter()
-        .filter(|t| !matches!(t, SymbolicCost::ConstantCost { _0: 0 }))
-        .collect()
-}
-
-fn collapse_on_multiplicative_zero(terms: Vec<SymbolicCost>) -> Vec<SymbolicCost> {
-    if terms
-        .iter()
-        .any(|t| matches!(t, SymbolicCost::ConstantCost { _0: 0 }))
-    {
-        vec![SymbolicCost::ConstantCost { _0: 0 }]
-    } else {
-        terms
-    }
-}
-
-fn drop_multiplicative_one(terms: Vec<SymbolicCost>) -> Vec<SymbolicCost> {
-    terms
-        .into_iter()
-        .filter(|t| !matches!(t, SymbolicCost::ConstantCost { _0: 1 }))
-        .collect()
-}
-
-fn reduce_sum(mut terms: Vec<SymbolicCost>) -> SymbolicCost {
-    terms = drop_dominated_in_sum(terms);
-    match terms.len() {
-        0 => SymbolicCost::ConstantCost { _0: 0 },
-        1 => terms.into_iter().next().unwrap(),
-        _ => SymbolicCost::SumCost {
-            _0: boxed_cost_list_from_vec(terms),
-        },
-    }
-}
-
-fn reduce_product(terms: Vec<SymbolicCost>) -> SymbolicCost {
-    match terms.len() {
-        0 => SymbolicCost::ConstantCost { _0: 1 },
-        1 => terms.into_iter().next().unwrap(),
-        2 => {
-            let mut iter = terms.into_iter();
-            let a = iter.next().unwrap();
-            let b = iter.next().unwrap();
-            combine_binary_product(a, b)
-        }
-        _ => SymbolicCost::ProductCost {
-            _0: boxed_cost_list_from_vec(terms),
-        },
-    }
-}
-
-fn boxed_cost_list_from_vec(terms: Vec<SymbolicCost>) -> BoxedSymbolicCostList {
-    NonSingletonList::from_vec(terms.into_iter().map(Box::new).collect()).unwrap()
-}
-
-fn combine_binary_product(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost {
-    if let (SymbolicCost::LinearCost { _0: va }, SymbolicCost::LinearCost { _0: vb }) = (&a, &b) {
-        if va == vb {
-            return SymbolicCost::PolynomialCost {
-                var: va.clone(),
-                degree: DegreeAtLeastTwo::TWO,
-            };
-        }
-    }
-    SymbolicCost::ProductCost {
-        _0: boxed_cost_list_pair(a, b),
-    }
-}
-
-fn drop_dominated_in_sum(terms: Vec<SymbolicCost>) -> Vec<SymbolicCost> {
-    let mut keep: Vec<SymbolicCost> = Vec::with_capacity(terms.len());
-    for term in terms {
-        let term_dominated = keep.iter().any(|k| dominates(k, &term));
-        if term_dominated {
-            continue;
-        }
-        keep.retain(|k| !dominates(&term, k));
-        keep.push(term);
-    }
-    keep
-}
-
-/// Structural mirror of composite `dominates` in `v3.std.algebra` (`.dag`:
-/// `nsl_to_list` + `fold` / `dominate_scan_init` / `fold_or_dominate_scan`; there is
-/// no separate `any_dominates` in the `.dag` surface). The Rust helper is the same
-/// semantics as an explicit NSL walk over `first` / `second` / `rest`, not a second
-/// authority. `ProductCost` / `SumCost` dominate `b` iff any NSL child dominates `b`.
-fn any_dominates(terms: &BoxedSymbolicCostList, b: &SymbolicCost) -> bool {
-    if dominates(terms.first.as_ref(), b) {
-        return true;
-    }
-    if dominates(terms.second.as_ref(), b) {
-        return true;
-    }
-    terms
-        .rest
-        .iter()
-        .any(|child| dominates(child.as_ref(), b))
-}
-
-pub fn dominates<A, B>(a: A, b: B) -> bool
-where
-    A: std::borrow::Borrow<SymbolicCost>,
-    B: std::borrow::Borrow<SymbolicCost>,
-{
-    let a = a.borrow();
-    let b = b.borrow();
-    match a {
-        SymbolicCost::UnknownCost { .. } => true,
-        SymbolicCost::ConstantCost { .. } => matches!(b, SymbolicCost::ConstantCost { .. }),
-        SymbolicCost::LinearCost { _0: va } => match b {
-            SymbolicCost::ConstantCost { .. } | SymbolicCost::LogCost { .. } => true,
-            SymbolicCost::LinearCost { _0: vb } => va == vb,
-            SymbolicCost::PolynomialCost { var: _, degree: _ } => false,
-            _ => false,
-        },
-        SymbolicCost::PolynomialCost {
-            var: va,
-            degree: ka,
-        } => match b {
-            SymbolicCost::ConstantCost { .. } | SymbolicCost::LogCost { .. } => true,
-            SymbolicCost::LinearCost { _0: vb } => va == vb,
-            SymbolicCost::PolynomialCost {
-                var: vb,
-                degree: kb,
-            } => va == vb && ka.raw() >= kb.raw(),
-            _ => false,
-        },
-        SymbolicCost::LogCost { _0: va } => match b {
-            SymbolicCost::ConstantCost { .. } => true,
-            SymbolicCost::LogCost { _0: vb } => va == vb,
-            _ => false,
-        },
-        SymbolicCost::ProductCost { _0: terms } | SymbolicCost::SumCost { _0: terms } => {
-            any_dominates(terms, b)
-        }
-    }
-}
-
-pub fn classify_symbolic_cost<C>(cost: C) -> AsymptoticClass
-where
-    C: std::borrow::Borrow<SymbolicCost>,
-{
-    match cost.borrow() {
-        SymbolicCost::ConstantCost { .. } => AsymptoticClass::ClassConstant,
-        SymbolicCost::LinearCost { .. } => AsymptoticClass::ClassLinear,
-        SymbolicCost::LogCost { .. } => AsymptoticClass::ClassLog,
-        SymbolicCost::PolynomialCost { degree, .. } => {
-            let raw = degree.raw();
-            if raw == 2 {
-                AsymptoticClass::ClassQuadratic
-            } else {
-                match positive_amount_from_i64(raw) {
-                    Some(pos) => AsymptoticClass::ClassPolynomial { degree: pos },
-                    None => AsymptoticClass::ClassUnknown,
-                }
-            }
-        }
-        SymbolicCost::ProductCost { .. }
-        | SymbolicCost::SumCost { .. }
-        | SymbolicCost::UnknownCost { .. } => AsymptoticClass::ClassUnknown,
-    }
-}
diff --git a/src/v3/compiler/src/dag_lookup_generated.rs b/src/v3/compiler/src/dag_lookup_generated.rs
deleted file mode 100644
index cba3584cf36..00000000000
--- a/src/v3/compiler/src/dag_lookup_generated.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/lookup.dag`.
-// Regenerate instead of hand-editing.
-
-// Mirror of `v3.std.lookup` — see `DAG_LOOKUP_TEMPLATE` in
-// `regen_runtime_mirrors.py`.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum Lookup<T> {
-    Miss,
-    Hit(T),
-}
-
-/// `v3.std.lookup::miss_int_lookup` (`.dag` authority).
-#[inline]
-pub fn miss_int_lookup() -> Lookup<i64> {
-    Lookup::Miss
-}
-
-/// `v3.std.lookup::hit_int_lookup` (`.dag` authority).
-#[inline]
-pub fn hit_int_lookup(n: i64) -> Lookup<i64> {
-    Lookup::Hit(n)
-}
diff --git a/src/v3/compiler/src/dag_scalar_generated.rs b/src/v3/compiler/src/dag_scalar_generated.rs
deleted file mode 100644
index ce0d5e36e84..00000000000
--- a/src/v3/compiler/src/dag_scalar_generated.rs
+++ /dev/null
@@ -1,96 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/substrate.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum LiteralBits {
-    Int(String),
-    Bool(bool),
-    String(String),
-    Symbol(String),
-}
-
-#[derive(Debug, Clone)]
-pub enum AtomPayload {
-    Literal(LiteralBits),
-    UnresolvedIdentifier(String),
-    ResolvedByStructure(DeclarationId),
-    ResolvedByName(DeclarationId),
-    TypeParam(String),
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum Interval<D> {
-    BoundedInterval {
-        lower: D,
-        width: IntervalWidth,
-    },
-    Unbounded,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum PositiveIntervalWidth {
-    OneUnit,
-    AdditionalUnit {
-        previous: Box<PositiveIntervalWidth>,
-    },
-    UnitCount {
-        units: i64,
-    },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum IntervalWidth {
-    ZeroWidth,
-    PositiveWidth(PositiveIntervalWidth),
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum CardinalityBound {
-    Exact(u32),
-    AtMostOne,
-    Unbounded,
-}
-
-#[derive(Debug, Clone)]
-pub struct TemplateArgument {
-    pub parameter: DeclarationId,
-    pub value: DeclarationId,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum PortState {
-    Uninferred,
-    Resolved(TypeShape),
-    Unresolved,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum ArithmeticOp {
-    Add,
-    Sub,
-    Mul,
-    Div,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum ComparisonOp {
-    Eq,
-    Ne,
-    Lt,
-    Le,
-    Gt,
-    Ge,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum LogicalOp {
-    And,
-    Or,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum OperatorKind {
-    Arithmetic(ArithmeticOp),
-    Comparison(ComparisonOp),
-    Logical(LogicalOp),
-}
diff --git a/src/v3/compiler/src/dag_value_body_generated.rs b/src/v3/compiler/src/dag_value_body_generated.rs
deleted file mode 100644
index ef36bb73db6..00000000000
--- a/src/v3/compiler/src/dag_value_body_generated.rs
+++ /dev/null
@@ -1,13 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/substrate.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone)]
-pub enum ValueBody {
-    Unparsed(SourceSpan),
-    Structural {
-        fields: Vec<(String, FieldValue)>,
-    },
-    Scalar(LiteralBits),
-    List(Vec<FieldValue>),
-    Map(FieldMap),
-}
diff --git a/src/v3/compiler/src/diagnostics.rs b/src/v3/compiler/src/diagnostics.rs
deleted file mode 100644
index 2a38e7bb49b..00000000000
--- a/src/v3/compiler/src/diagnostics.rs
+++ /dev/null
@@ -1,1631 +0,0 @@
-// Diagnostics and the enforced mark_unresolved API.
-//
-// The load-bearing guarantee:
-//   Port.value_type == None  iff  DiagnosticTable contains PortId
-//
-// Enforcement is structural: Dag::clear_port_type is pub(crate) and
-// is ONLY called from Dag::mark_unresolved (which also writes the
-// diagnostic entry atomically). No other call path can null a port.
-//
-// G2 guardrail: SourceSpan always carries a non-empty `file` field.
-// Cross-artifact diagnostics (M2+ multi-file, multi-language) rely
-// on spans being addressable across files. Do NOT replace this with
-// a bare (line, col) pair — that forecloses the thesis goal.
-//
-// ────────────────────────────────────────────────────────────────
-// DEFERRED DISSOLUTION: Diagnostic enum is a scaffold.
-//
-// Current variants (M0.5): TokenizerError, ParseError, TypeMismatch,
-// ArityMismatch, ResolveError. The v3 target shape per
-// docs/v3-modeling-analysis.md §CompilerDiagnostic is a 5-field
-// record:
-//
-//   Diagnostic {
-//     span: SourceSpan,
-//     category: DiagnosticCategory,  // Type | Cardinality | ...
-//     subject: DiagnosticSubject,    // typed ref to thing flagged
-//     detail: DiagnosticDetail,      // category-specific payload
-//     correction: Correction,        // live fixed code or explicit deferral
-//     producing_node: Option<NodeId>,
-//   }
-//
-// The `correction` field is the thesis claim "show the correct code"
-// (THESIS.md §"Error handling"). Every diagnostic that can structurally
-// compute a fix must carry one. Design: SELF_HOSTING.md §14.6.
-// Roundtrip test pattern: break → diagnose → apply correction →
-// recompile → zero diagnostics. Lands at L1.5.
-//
-// TRIGGER for dissolution: when typed DeclarationId / FieldRef references
-// replace the name + span carriers below. M1(2.5) delivered the
-// DeclarationId substrate; the subject/detail refactor is next.
-//
-// Extension from 3→5 variants at M0.5 is deferred dissolution with
-// justification: the fail-closed invariant (C-8) requires that every
-// detectable failure produces a diagnostic, and M0's infer + lower
-// stages reach failure categories (arity, resolve) that TypeMismatch
-// does not cover. Until Subject/Detail infrastructure exists,
-// extension is the least-bad interim form.
-//
-// DO NOT add a severity field. C-8: all diagnostics are errors.
-// DO NOT add a warning variant. DO NOT add a "maybe wrong" state.
-// If a condition is detected and it's wrong, emit the diagnostic
-// and fail. If it's not wrong, emit nothing. There is no middle.
-// ────────────────────────────────────────────────────────────────
-
-use std::collections::HashMap;
-
-use crate::dag::{
-    AtomPayload, CardinalityBound, Dag, DeclarationId, Field, FieldValue, PortId, TypeConnective,
-    ValueBody,
-};
-use crate::types::TypeShape;
-
-// `SourceSpan` / `Correction` are generated mirrors of std-owned
-// substrate/diagnostic carriers. The compiler-local `Diagnostic`
-// taxonomy below remains a narrow host shim until the staged compiler
-// adopts the shared std diagnostic record directly.
-include!("diagnostics_generated.rs");
-
-impl Correction {
-    pub fn live(
-        description: impl Into<String>,
-        span: SourceSpan,
-        new_source: impl Into<String>,
-    ) -> Self {
-        Self::LiveCorrection {
-            witness: CorrectionWitness {
-                description: description.into(),
-                span,
-                new_source: new_source.into(),
-            },
-        }
-    }
-
-    pub fn deferred(
-        reason: impl Into<String>,
-        owner: impl Into<String>,
-        exit_condition: impl Into<String>,
-    ) -> Self {
-        Self::DeferredCorrection {
-            reason: reason.into(),
-            retirement_plan: RetirementPlan {
-                owner: owner.into(),
-                exit_condition: exit_condition.into(),
-            },
-        }
-    }
-
-    pub fn deferred_for_diagnostic_class(class: &'static str) -> Self {
-        Self::deferred(
-            format!("{class} does not yet compute a source-level live correction witness"),
-            "R3 Gap 9 row #106 diagnostic roundtrip coverage",
-            format!(
-                "replace this deferral with a generated/data-backed LiveCorrection for {class}"
-            ),
-        )
-    }
-
-    pub fn live_witness(&self) -> Result<&CorrectionWitness, CorrectionApplyError> {
-        match self {
-            Correction::LiveCorrection { witness } => Ok(witness),
-            Correction::DeferredCorrection { reason, .. } => Err(CorrectionApplyError::Deferred {
-                reason: reason.clone(),
-            }),
-        }
-    }
-
-    pub fn description(&self) -> &str {
-        match self {
-            Correction::LiveCorrection { witness } => &witness.description,
-            Correction::DeferredCorrection { reason, .. } => reason,
-        }
-    }
-
-    pub fn span(&self) -> Option<&SourceSpan> {
-        match self {
-            Correction::LiveCorrection { witness } => Some(&witness.span),
-            Correction::DeferredCorrection { .. } => None,
-        }
-    }
-
-    pub fn new_source(&self) -> Option<&str> {
-        match self {
-            Correction::LiveCorrection { witness } => Some(&witness.new_source),
-            Correction::DeferredCorrection { .. } => None,
-        }
-    }
-}
-
-/// Stable `ResolveError.name` for a negative `PositiveIntervalWidth.UnitCount.units` payload when
-/// lowering bypasses the normal `Nat` literal gate (e.g. tests calling `enforce_non_negative_unit_count_payload` directly).
-///
-/// Wording is centralized for tests that assert on [`Diagnostic::ResolveError`] directly (see repo
-/// `TESTING.md`, behavior-driven). Primary authoring rejects `-1` via [`Diagnostic::MagnitudeOutOfRange`]
-/// against `Nat`'s decimal range facts.
-#[doc(hidden)]
-pub fn positive_interval_width_unit_count_requires_nonnegative_units_literal_message(
-    units: &str,
-) -> String {
-    format!("PositiveIntervalWidth.UnitCount requires nonnegative `units` literal; got {units}")
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum CorrectionApplyError {
-    InvalidSpan {
-        start: u32,
-        end: u32,
-        source_len: usize,
-    },
-    NonCharBoundary {
-        offset: u32,
-    },
-    Deferred {
-        reason: String,
-    },
-}
-
-#[derive(Debug, Clone)]
-pub enum CorrectionValidationError {
-    Apply(CorrectionApplyError),
-    Tokenize(Diagnostic),
-    Parse(Diagnostic),
-}
-
-pub fn apply_correction(
-    source: &str,
-    correction: &Correction,
-) -> Result<String, CorrectionApplyError> {
-    let witness = correction.live_witness()?;
-    let start = witness.span.byte_start as usize;
-    let end = witness.span.byte_end as usize;
-    if start > end || end > source.len() {
-        return Err(CorrectionApplyError::InvalidSpan {
-            start: witness.span.byte_start,
-            end: witness.span.byte_end,
-            source_len: source.len(),
-        });
-    }
-    if !source.is_char_boundary(start) {
-        return Err(CorrectionApplyError::NonCharBoundary {
-            offset: witness.span.byte_start,
-        });
-    }
-    if !source.is_char_boundary(end) {
-        return Err(CorrectionApplyError::NonCharBoundary {
-            offset: witness.span.byte_end,
-        });
-    }
-
-    let mut updated = String::with_capacity(source.len() + witness.new_source.len());
-    updated.push_str(&source[..start]);
-    updated.push_str(&witness.new_source);
-    updated.push_str(&source[end..]);
-    Ok(updated)
-}
-
-pub fn apply_correction_and_reparse(
-    source: &str,
-    file: &str,
-    correction: &Correction,
-) -> Result<String, CorrectionValidationError> {
-    let updated = apply_correction(source, correction).map_err(CorrectionValidationError::Apply)?;
-    let tokens =
-        crate::tokenize::tokenize(&updated, file).map_err(CorrectionValidationError::Tokenize)?;
-    crate::parse::parse(&tokens, file).map_err(CorrectionValidationError::Parse)?;
-    Ok(updated)
-}
-
-#[derive(Debug, Clone)]
-pub enum Diagnostic {
-    TokenizerError {
-        message: String,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    ParseError {
-        message: String,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    TypeMismatch {
-        expected: TypeShape,
-        actual: TypeShape,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    ArityMismatch {
-        function: String,
-        expected: usize,
-        actual: usize,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    ResolveError {
-        name: String,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    UnitMismatch {
-        operator: String,
-        parameter: String,
-        expected: TypeShape,
-        actual: TypeShape,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    BranchConditionNotBool {
-        port: PortId,
-        actual_type: Option<TypeShape>,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    MagnitudeOutOfRange {
-        literal: String,
-        target: String,
-        range_min_inclusive: String,
-        range_max_inclusive: String,
-        expected: TypeShape,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    MalformedIntegerRangeFact {
-        message: String,
-        span: SourceSpan,
-        correction: Correction,
-    },
-    NominalOpacityViolation {
-        declaration: DeclarationId,
-        accessor: Option<DeclarationId>,
-        span: SourceSpan,
-        correction: Correction,
-    },
-}
-
-/// Layer-1 compiler diagnostic kind labels in **declaration order** of [`Diagnostic`].
-///
-/// This is the **only** source of label strings for [`Diagnostic::layer1_kind_label`], which
-/// indexes this slice using an exhaustive per-variant index match (no wildcard). Crate tests assert
-/// the declaration-order fixture matches those indices; integration tests ratchet
-/// `CompilerDiagnosticKind` / `std.verification.DiagnosticKind` in the bootstrap DAG against this
-/// slice. When adding a [`Diagnostic`] variant, extend this list, add an index arm next to
-/// `layer1_kind_label`, and update the `.dag` closed sums — lens-instance kinds stay on the
-/// Layer-2 path (Q6.5), not here.
-pub const LAYER1_DIAGNOSTIC_KIND_LABELS: &[&str] = &[
-    "TokenizerError",
-    "ParseError",
-    "TypeMismatch",
-    "ArityMismatch",
-    "ResolveError",
-    "UnitMismatch",
-    "BranchConditionNotBool",
-    "MagnitudeOutOfRange",
-    "MalformedIntegerRangeFact",
-    "NominalOpacityViolation",
-];
-
-impl Diagnostic {
-    /// Zero-based declaration index for Layer-1 kind strings (same order as [`Diagnostic`] and
-    /// [`LAYER1_DIAGNOSTIC_KIND_LABELS`]).
-    ///
-    /// This match is **exhaustive with no wildcard**: adding a [`Diagnostic`] variant is a compile
-    /// error until a new arm is authored here **and** [`LAYER1_DIAGNOSTIC_KIND_LABELS`] is extended
-    /// by one entry. [`Diagnostic::layer1_kind_label`] reads only from that slice, so the label
-    /// strings have a single authority.
-    fn layer1_declaration_index(&self) -> usize {
-        match self {
-            Diagnostic::TokenizerError { .. } => 0,
-            Diagnostic::ParseError { .. } => 1,
-            Diagnostic::TypeMismatch { .. } => 2,
-            Diagnostic::ArityMismatch { .. } => 3,
-            Diagnostic::ResolveError { .. } => 4,
-            Diagnostic::UnitMismatch { .. } => 5,
-            Diagnostic::BranchConditionNotBool { .. } => 6,
-            Diagnostic::MagnitudeOutOfRange { .. } => 7,
-            Diagnostic::MalformedIntegerRangeFact { .. } => 8,
-            Diagnostic::NominalOpacityViolation { .. } => 9,
-        }
-    }
-
-    /// Stable Layer-1 kind name for substrate mirrors and test predicates (Q6.5).
-    ///
-    /// Labels come only from [`LAYER1_DIAGNOSTIC_KIND_LABELS`]; an exhaustive per-variant index
-    /// match selects the row so new enum variants cannot compile without extending the const slice
-    /// and substrate closed sums.
-    pub fn layer1_kind_label(&self) -> &'static str {
-        LAYER1_DIAGNOSTIC_KIND_LABELS[self.layer1_declaration_index()]
-    }
-
-    pub fn span(&self) -> &SourceSpan {
-        match self {
-            Diagnostic::TokenizerError { span, .. }
-            | Diagnostic::ParseError { span, .. }
-            | Diagnostic::TypeMismatch { span, .. }
-            | Diagnostic::ArityMismatch { span, .. }
-            | Diagnostic::ResolveError { span, .. }
-            | Diagnostic::UnitMismatch { span, .. }
-            | Diagnostic::BranchConditionNotBool { span, .. }
-            | Diagnostic::MagnitudeOutOfRange { span, .. }
-            | Diagnostic::MalformedIntegerRangeFact { span, .. }
-            | Diagnostic::NominalOpacityViolation { span, .. } => span,
-        }
-    }
-
-    pub fn correction(&self) -> &Correction {
-        match self {
-            Diagnostic::TokenizerError { correction, .. }
-            | Diagnostic::ParseError { correction, .. }
-            | Diagnostic::TypeMismatch { correction, .. }
-            | Diagnostic::ArityMismatch { correction, .. }
-            | Diagnostic::ResolveError { correction, .. }
-            | Diagnostic::UnitMismatch { correction, .. }
-            | Diagnostic::BranchConditionNotBool { correction, .. }
-            | Diagnostic::MagnitudeOutOfRange { correction, .. }
-            | Diagnostic::MalformedIntegerRangeFact { correction, .. }
-            | Diagnostic::NominalOpacityViolation { correction, .. } => correction,
-        }
-    }
-
-    pub fn message(&self) -> String {
-        match self {
-            Diagnostic::TokenizerError { message, .. } | Diagnostic::ParseError { message, .. } => {
-                message.clone()
-            }
-            Diagnostic::TypeMismatch {
-                expected, actual, ..
-            } => format!("expected {expected:?}, got {actual:?}"),
-            Diagnostic::ArityMismatch {
-                function,
-                expected,
-                actual,
-                ..
-            } => format!("{function} expected {expected}, got {actual}"),
-            Diagnostic::ResolveError { name, .. } => name.clone(),
-            Diagnostic::UnitMismatch {
-                operator,
-                parameter,
-                expected,
-                actual,
-                ..
-            } => format!(
-                "unit mismatch for operator `{operator}` on phantom parameter `{parameter}`: abelian-group closure requires matching units (expected {expected:?}, got {actual:?})"
-            ),
-            Diagnostic::BranchConditionNotBool { actual_type, .. } => match actual_type {
-                Some(ty) => format!("branch condition port is not Bool (got {ty:?})"),
-                None => "branch condition port is not Bool (type not resolved)".to_string(),
-            },
-            Diagnostic::MagnitudeOutOfRange {
-                literal,
-                target,
-                range_min_inclusive,
-                range_max_inclusive,
-                expected,
-                ..
-            } => format!(
-                "integer literal `{literal}` is out of range for `{target}` (expected {range_min_inclusive}..={range_max_inclusive}, declared type {expected:?}); use a wider target"
-            ),
-            Diagnostic::MalformedIntegerRangeFact { message, .. } => message.clone(),
-            Diagnostic::NominalOpacityViolation {
-                declaration,
-                accessor,
-                ..
-            } => match accessor {
-                Some(accessor) => format!(
-                    "nominal-opaque declaration `{declaration:?}` may only be structurally accessed through permitted accessor `{accessor:?}`"
-                ),
-                None => format!(
-                    "nominal-opaque declaration `{declaration:?}` cannot be structurally descended without a permitted accessor"
-                ),
-            },
-        }
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum DiagnosticStyleTarget {
-    Rust,
-    Go,
-    Python,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum DiagnosticRenderError {
-    MissingLanguageSpec(&'static str),
-    MissingCleanEmissionContract(&'static str),
-    MalformedCleanEmissionContract {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-    MissingCorrectionStyle(&'static str),
-    MalformedCorrectionStyle {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-}
-#[derive(Debug, Clone, PartialEq, Eq)]
-struct CorrectionStyleBinding {
-    indent_unit: String,
-    line_ending: String,
-    string_quote: String,
-    trailing_semicolon: bool,
-}
-
-impl CorrectionStyleBinding {
-    fn build(dag: &Dag, declaration: DeclarationId) -> Result<Self, DiagnosticRenderError> {
-        let fields = match dag.declaration(declaration).value_body.as_ref() {
-            Some(crate::dag::ValueBody::Structural { fields }) => fields,
-            _ => {
-                return Err(DiagnosticRenderError::MalformedCorrectionStyle {
-                    declaration,
-                    detail: "correction_style declaration must carry a Structural value_body",
-                });
-            }
-        };
-        Ok(Self {
-            indent_unit: require_string(fields, "indent_unit", declaration)?,
-            line_ending: require_string(fields, "line_ending", declaration)?,
-            string_quote: require_string(fields, "string_quote", declaration)?.replace("%Q", "\""),
-            trailing_semicolon: require_bool(fields, "trailing_semicolon", declaration)?,
-        })
-    }
-}
-
-pub fn render_diagnostic_for_target(
-    dag: &Dag,
-    target: DiagnosticStyleTarget,
-    diagnostic: &Diagnostic,
-) -> Result<String, DiagnosticRenderError> {
-    let language_spec = language_spec_for_target(dag, target)?;
-    render_diagnostic_for_language_spec(dag, language_spec, diagnostic)
-}
-
-pub fn render_diagnostic_for_language_spec(
-    dag: &Dag,
-    language_spec: DeclarationId,
-    diagnostic: &Diagnostic,
-) -> Result<String, DiagnosticRenderError> {
-    let declaration = correction_style_for_language_spec(dag, language_spec)?;
-    let style = CorrectionStyleBinding::build(dag, declaration)?;
-    Ok(render_diagnostic_with_style(diagnostic, &style))
-}
-
-fn language_spec_for_target(
-    dag: &Dag,
-    target: DiagnosticStyleTarget,
-) -> Result<DeclarationId, DiagnosticRenderError> {
-    let (language_spec, missing_name) = match target {
-        DiagnosticStyleTarget::Rust => (dag.rust_language_spec(), "rust_language"),
-        DiagnosticStyleTarget::Go => (dag.go_language_spec(), "go_language"),
-        DiagnosticStyleTarget::Python => (dag.python_language_spec(), "python_language"),
-    };
-    language_spec.ok_or(DiagnosticRenderError::MissingLanguageSpec(missing_name))
-}
-
-fn correction_style_for_language_spec(
-    dag: &Dag,
-    language_spec: DeclarationId,
-) -> Result<DeclarationId, DiagnosticRenderError> {
-    let clean_emission_decl = dag
-        .target_syntax_bundle_for_language(language_spec)
-        .map(|bundle| bundle.clean_emission_spec)
-        .ok_or(DiagnosticRenderError::MissingCleanEmissionContract(
-            "clean_emission.correction_style",
-        ))?;
-    let Some(ValueBody::Structural { fields }) = &dag.declaration(clean_emission_decl).value_body
-    else {
-        return Err(DiagnosticRenderError::MalformedCleanEmissionContract {
-            declaration: clean_emission_decl,
-            detail: "clean emission declaration must carry a structural value_body",
-        });
-    };
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "correction_style")
-        .map(|(_, value)| value)
-        .ok_or(DiagnosticRenderError::MissingCorrectionStyle(
-            "clean_emission.correction_style",
-        ))?;
-    match value {
-        FieldValue::Reference(declaration) => Ok(*declaration),
-        _ => Err(DiagnosticRenderError::MalformedCleanEmissionContract {
-            declaration: clean_emission_decl,
-            detail: "clean emission correction_style field must be a declaration reference",
-        }),
-    }
-}
-
-fn render_diagnostic_with_style(diagnostic: &Diagnostic, style: &CorrectionStyleBinding) -> String {
-    let mut lines = vec![format!(
-        "ERROR at {}:{}-{}: {}",
-        diagnostic.span().file,
-        diagnostic.span().byte_start,
-        diagnostic.span().byte_end,
-        diagnostic.message()
-    )];
-    if let Correction::LiveCorrection { .. } = diagnostic.correction() {
-        lines.push(format!("FIX: {}", diagnostic.correction().description()));
-        lines.push(render_correction_source(diagnostic.correction(), style));
-    } else {
-        lines.push(format!(
-            "DEFERRED CORRECTION: {}",
-            diagnostic.correction().description()
-        ));
-    }
-    lines.join(&style.line_ending)
-}
-
-fn render_correction_source(fix: &Correction, style: &CorrectionStyleBinding) -> String {
-    let Ok(witness) = fix.live_witness() else {
-        return String::new();
-    };
-    let suffix = if style.trailing_semicolon { ";" } else { "" };
-    let normalized = witness.new_source.replace("\r\n", "\n").replace('\r', "\n");
-    if !normalized.contains('\n') {
-        return format!(
-            "{}{}{}{}{}",
-            style.indent_unit,
-            style.string_quote,
-            escape_for_string_literal(&normalized, &style.string_quote),
-            style.string_quote,
-            suffix
-        );
-    }
-
-    let body = normalized
-        .split('\n')
-        .map(|line| {
-            format!(
-                "{}{}",
-                style.indent_unit,
-                escape_for_string_literal(line, &style.string_quote)
-            )
-        })
-        .collect::<Vec<_>>()
-        .join(&style.line_ending);
-    format!(
-        "{}{}{}{}",
-        style.string_quote, style.line_ending, body, style.string_quote
-    ) + suffix
-}
-
-fn escape_for_string_literal(source: &str, string_quote: &str) -> String {
-    let escaped = source.replace('\\', "\\\\");
-    if string_quote.is_empty() {
-        return escaped;
-    }
-    escaped.replace(string_quote, &format!("\\{string_quote}"))
-}
-
-fn require_string(
-    fields: &[(String, FieldValue)],
-    label: &'static str,
-    declaration: DeclarationId,
-) -> Result<String, DiagnosticRenderError> {
-    let value = fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .map(|(_, value)| value)
-        .ok_or(DiagnosticRenderError::MalformedCorrectionStyle {
-            declaration,
-            detail: "correction_style is missing a required String field",
-        })?;
-    match value {
-        FieldValue::Literal(crate::dag::LiteralBits::String(value)) => Ok(value.clone()),
-        _ => Err(DiagnosticRenderError::MalformedCorrectionStyle {
-            declaration,
-            detail: "correction_style String field must be a string literal",
-        }),
-    }
-}
-
-fn require_bool(
-    fields: &[(String, FieldValue)],
-    label: &'static str,
-    declaration: DeclarationId,
-) -> Result<bool, DiagnosticRenderError> {
-    let value = fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .map(|(_, value)| value)
-        .ok_or(DiagnosticRenderError::MalformedCorrectionStyle {
-            declaration,
-            detail: "correction_style is missing a required Bool field",
-        })?;
-    match value {
-        FieldValue::Literal(crate::dag::LiteralBits::Bool(value)) => Ok(*value),
-        _ => Err(DiagnosticRenderError::MalformedCorrectionStyle {
-            declaration,
-            detail: "correction_style Bool field must be a bool literal",
-        }),
-    }
-}
-
-pub(crate) fn declaration_display_name(dag: &Dag, declaration: DeclarationId) -> String {
-    dag.declaration(declaration)
-        .name
-        .clone()
-        .unwrap_or_else(|| format!("declaration#{}", declaration.raw()))
-}
-
-pub(crate) fn example_source_for_decl(dag: &Dag, declaration: DeclarationId) -> Option<String> {
-    example_source_for_decl_inner(dag, declaration, 0)
-}
-
-fn example_source_for_decl_inner(
-    dag: &Dag,
-    declaration: DeclarationId,
-    depth: usize,
-) -> Option<String> {
-    if depth >= 8 {
-        return None;
-    }
-    if dag.declaration(declaration).refinement.is_some() {
-        return None;
-    }
-    if let Some(example) = builtin_example_source(dag, declaration, depth) {
-        return Some(example);
-    }
-    let decl = dag.declaration(declaration);
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            example_source_for_decl_inner(dag, *next, depth + 1)
-        }
-        TypeConnective::Instantiation { template, .. } => {
-            example_source_for_decl_inner(dag, *template, depth + 1)
-        }
-        TypeConnective::Conj { children } => {
-            let fields: Option<Vec<_>> = children
-                .iter()
-                .map(|field| {
-                    Some(format!(
-                        "{}: {}",
-                        field.label,
-                        example_source_for_decl_inner(dag, field.ty, depth + 1)?
-                    ))
-                })
-                .collect();
-            Some(format!("{{ {} }}", fields?.join(", ")))
-        }
-        TypeConnective::Disj { variants } => variants
-            .iter()
-            .find_map(|variant| render_variant_witness(dag, variant, depth + 1)),
-        TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-            Some("None".to_string())
-        }
-        _ => None,
-    }
-}
-
-fn builtin_example_source(dag: &Dag, declaration: DeclarationId, depth: usize) -> Option<String> {
-    if dag.int_shape().is_some_and(|shape| {
-        decl_matches_example_identity(dag, declaration, shape.declaration, depth)
-    }) {
-        return Some("1".to_string());
-    }
-    if dag.bool_shape().is_some_and(|shape| {
-        decl_matches_example_identity(dag, declaration, shape.declaration, depth)
-    }) {
-        return Some("true".to_string());
-    }
-    if dag.string_shape().is_some_and(|shape| {
-        decl_matches_example_identity(dag, declaration, shape.declaration, depth)
-    }) {
-        return Some("\"x\"".to_string());
-    }
-    if dag.list_template().is_some_and(|list_template| {
-        decl_matches_example_identity(dag, declaration, list_template, depth)
-    }) {
-        return Some("[]".to_string());
-    }
-    None
-}
-
-fn canonical_decl_for_example(
-    dag: &Dag,
-    declaration: DeclarationId,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= 8 {
-        return None;
-    }
-    match &dag.declaration(declaration).connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            canonical_decl_for_example(dag, *next, depth + 1)
-        }
-        TypeConnective::Instantiation { template, .. } => {
-            canonical_decl_for_example(dag, *template, depth + 1)
-        }
-        _ => Some(declaration),
-    }
-}
-
-fn decl_matches_example_identity(
-    dag: &Dag,
-    actual: DeclarationId,
-    expected: DeclarationId,
-    depth: usize,
-) -> bool {
-    canonical_decl_for_example(dag, actual, depth)
-        == canonical_decl_for_example(dag, expected, depth)
-}
-
-fn render_variant_witness(dag: &Dag, variant: &Field, depth: usize) -> Option<String> {
-    if dag.declaration(variant.ty).refinement.is_some() {
-        return None;
-    }
-    let TypeConnective::Conj { children } = &dag.declaration(variant.ty).connective else {
-        return None;
-    };
-    if children.is_empty() {
-        return Some(variant.label.clone());
-    }
-    // Constructor invocation in the current `.dag` surface is
-    // positional (`Variant(arg0, arg1)`), even when the payload
-    // declaration's fields are named. Preserve declaration-derived
-    // child order here, but do not invent an unsupported
-    // `Variant { field: value }` surface until lowering accepts that
-    // shape structurally.
-    let payload: Option<Vec<_>> = children
-        .iter()
-        .map(|field| example_source_for_decl_inner(dag, field.ty, depth + 1))
-        .collect();
-    Some(format!("{}({})", variant.label, payload?.join(", ")))
-}
-
-pub(crate) fn witness_correction_for_decl(
-    dag: &Dag,
-    declaration: DeclarationId,
-    span: SourceSpan,
-    description: impl Into<String>,
-) -> Option<Correction> {
-    if dag.declaration(declaration).refinement.is_some() {
-        return None;
-    }
-    Some(Correction::live(
-        description,
-        span,
-        example_source_for_decl(dag, declaration)?,
-    ))
-}
-
-/// Opaque, validated witness to a path in the substrate
-/// `bootstrap_authority` set declared by
-/// `src/v3/std/bootstrap_authority.dag`. Held internally as a
-/// `&'static str` because the only minters are the bootstrap loader
-/// (`bootstrap_regen_fresh::parse_fixture`) and kernel `Bool` Lane-1e-2b
-/// inhabitance wiring (`crate::lower::wire_kernel_bool_boolean_algebra_inhabits`),
-/// both of which iterate the `&'static`-keyed authority arrays
-/// produced by `build.rs` (`STAGED_FILES`/`V3_SPECS`/`COMPILER_FILES`/
-/// `EXTDEPS_FILES`) — derivations of the same substrate
-/// `bootstrap_authority` set.
-///
-/// The constructor is deliberately `pub(crate)`. Consumers receive
-/// minted keys through [`DiagnosticAttribution::BootstrapAuthority`]
-/// and dispatch on witness identity (equality / hash). They MUST NOT
-/// rebuild a `BootstrapAuthorityKey` from a `SourceSpan.file` string
-/// to recover attribution — that would defeat the witness contract.
-/// `path()` is exposed for diagnostic display only.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BootstrapAuthorityKey(&'static str);
-
-impl BootstrapAuthorityKey {
-    /// Mint a key from a `&'static str` known to be a row in the
-    /// substrate `bootstrap_authority` set. Bootstrap-only constructor
-    /// — see type-level doc for the witness contract.
-    pub(crate) fn new(path: &'static str) -> Self {
-        Self(path)
-    }
-
-    /// Typed witness for the kernel-`Bool` `inhabits` patch authority
-    /// (`dsl/std/types.dag` row of the substrate `bootstrap_authority`
-    /// set, classified `StdAuthority`). Encapsulates the path-string so
-    /// `bootstrap.rs` consumers do not name `dsl/std/types.dag` directly
-    /// — audit-row #2 retirement (bootstrap.rs slice 1 of 2). Reviewers
-    /// must treat new `for_*` accessors as additions to the witness
-    /// surface; each one represents a hand-Rust authority site.
-    pub(crate) fn for_kernel_bool() -> Self {
-        Self::new("dsl/std/types.dag")
-    }
-
-    /// Typed witness for the pipeline-authority row
-    /// (`src/v3/compiler/pipeline.dag` of the substrate
-    /// `bootstrap_authority` set, classified `CompilerAuthority`).
-    /// Encapsulates the path-string so `bootstrap.rs` consumers do not
-    /// name `src/v3/compiler/pipeline.dag` directly — audit-row #6
-    /// retirement (bootstrap.rs slice 1 of 2).
-    pub(crate) fn for_pipeline_authority() -> Self {
-        Self::new("src/v3/compiler/pipeline.dag")
-    }
-
-    /// Canonical bootstrap-authority path. **Display only.** Consumers
-    /// dispatching on attribution must use witness equality, not this
-    /// string, to decide bootstrap membership; a string compare against
-    /// `SourceSpan.file` is precisely the path-string bridge this type
-    /// dissolves.
-    ///
-    /// **Egress-only contract.** This accessor is intentionally a
-    /// one-way door: a consumer may read the path for diagnostic
-    /// rendering, but the only way *back* to a `BootstrapAuthorityKey`
-    /// witness is the `pub(crate)` [`Self::new`] constructor that the
-    /// bootstrap loader owns. Round-tripping `path()` through some
-    /// other public constructor is a contract-violation that the type
-    /// system cannot block on its own; reviewers should treat any new
-    /// `pub fn from_path` / `From<&str>` impl on this type as the same
-    /// path-string bridge re-introduced and reject it.
-    pub fn path(&self) -> &'static str {
-        self.0
-    }
-}
-
-/// Where a diagnostic originated in the bootstrap-vs-user dimension.
-///
-/// `Unattributed` is the default for diagnostics raised against
-/// user-compile sources or against not-yet-classified internal
-/// failures. `BootstrapAuthority` carries an opaque witness that the
-/// diagnostic was attached while loading or patching one of the
-/// substrate `bootstrap_authority` rows. Verification consumers (e.g.
-/// the row-82 `diagnostics_empty_after_bootstrap` ratchet) dispatch on
-/// this discriminant rather than scanning `Diagnostic.span().file`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum DiagnosticAttribution {
-    Unattributed,
-    BootstrapAuthority(BootstrapAuthorityKey),
-}
-
-impl DiagnosticAttribution {
-    /// `true` iff this diagnostic was attached against a known
-    /// bootstrap-authority row. Verification surfaces should prefer
-    /// this over `span.file == "src/v3/std/..."` predicates.
-    pub fn is_bootstrap(&self) -> bool {
-        matches!(self, Self::BootstrapAuthority(_))
-    }
-
-    /// Borrow the bootstrap-authority witness, when present.
-    pub fn as_bootstrap_authority(&self) -> Option<&BootstrapAuthorityKey> {
-        match self {
-            Self::BootstrapAuthority(key) => Some(key),
-            Self::Unattributed => None,
-        }
-    }
-}
-
-#[derive(Debug, Default, Clone)]
-pub struct DiagnosticTable {
-    entries: HashMap<PortId, (Diagnostic, DiagnosticAttribution)>,
-}
-
-impl DiagnosticTable {
-    pub fn new() -> Self {
-        Self {
-            entries: HashMap::new(),
-        }
-    }
-
-    pub fn is_empty(&self) -> bool {
-        self.entries.is_empty()
-    }
-
-    pub fn contains(&self, port: PortId) -> bool {
-        self.entries.contains_key(&port)
-    }
-
-    pub fn get(&self, port: PortId) -> Option<&Diagnostic> {
-        self.entries.get(&port).map(|(d, _)| d)
-    }
-
-    /// Borrow the structural attribution recorded alongside a
-    /// diagnostic. `Some(Unattributed)` for ordinary user-compile
-    /// failures; `Some(BootstrapAuthority(_))` for diagnostics attached
-    /// while loading or patching a substrate bootstrap-authority row.
-    pub fn attribution(&self, port: PortId) -> Option<&DiagnosticAttribution> {
-        self.entries.get(&port).map(|(_, a)| a)
-    }
-
-    pub fn len(&self) -> usize {
-        self.entries.len()
-    }
-
-    /// Iterate `(port, diagnostic)` pairs. Used by tests and callers
-    /// that need to scan all diagnostics for a specific kind. For
-    /// attribution-aware iteration use [`Self::iter_attributed`].
-    pub fn iter(&self) -> impl Iterator<Item = (PortId, &Diagnostic)> {
-        self.entries.iter().map(|(p, (d, _))| (*p, d))
-    }
-
-    /// Iterate `(port, diagnostic, attribution)` triples. Verification
-    /// consumers that need to count or filter by bootstrap attribution
-    /// without touching `SourceSpan.file` use this surface.
-    pub fn iter_attributed(
-        &self,
-    ) -> impl Iterator<Item = (PortId, &Diagnostic, &DiagnosticAttribution)> {
-        self.entries.iter().map(|(p, (d, a))| (*p, d, a))
-    }
-
-    /// Insert a diagnostic entry for a port. pub(crate) because the
-    /// only callers are Dag::mark_unresolved* (which atomically also
-    /// clears the port's value_type) and should never be called
-    /// independently from outside the crate.
-    pub(crate) fn insert(
-        &mut self,
-        port: PortId,
-        diagnostic: Diagnostic,
-        attribution: DiagnosticAttribution,
-    ) {
-        self.entries.insert(port, (diagnostic, attribution));
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::types::TypeShape;
-
-    fn layer1_diagnostic_examples_in_declaration_order() -> Vec<Diagnostic> {
-        let span = SourceSpan::new("layer1_kind_label_ratchets.v3", 0, 0);
-        let ty = TypeShape::new(DeclarationId::test_raw(0));
-        vec![
-            Diagnostic::TokenizerError {
-                message: String::new(),
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("TokenizerError"),
-            },
-            Diagnostic::ParseError {
-                message: String::new(),
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("ParseError"),
-            },
-            Diagnostic::TypeMismatch {
-                expected: ty,
-                actual: ty,
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("TypeMismatch"),
-            },
-            Diagnostic::ArityMismatch {
-                function: String::new(),
-                expected: 0,
-                actual: 0,
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("ArityMismatch"),
-            },
-            Diagnostic::ResolveError {
-                name: String::new(),
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("ResolveError"),
-            },
-            Diagnostic::UnitMismatch {
-                operator: String::new(),
-                parameter: String::new(),
-                expected: ty,
-                actual: ty,
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("UnitMismatch"),
-            },
-            Diagnostic::BranchConditionNotBool {
-                port: PortId::test_raw(0),
-                actual_type: None,
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("BranchConditionNotBool"),
-            },
-            Diagnostic::MagnitudeOutOfRange {
-                literal: String::new(),
-                target: String::new(),
-                range_min_inclusive: String::new(),
-                range_max_inclusive: String::new(),
-                expected: ty,
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("MagnitudeOutOfRange"),
-            },
-            Diagnostic::MalformedIntegerRangeFact {
-                message: String::new(),
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("MalformedIntegerRangeFact"),
-            },
-            Diagnostic::NominalOpacityViolation {
-                declaration: DeclarationId::test_raw(0),
-                accessor: None,
-                span,
-                correction: Correction::deferred_for_diagnostic_class("NominalOpacityViolation"),
-            },
-        ]
-    }
-
-    #[test]
-    fn layer1_ordered_labels_match_layer1_kind_label() {
-        let examples = layer1_diagnostic_examples_in_declaration_order();
-        assert_eq!(
-            examples.len(),
-            LAYER1_DIAGNOSTIC_KIND_LABELS.len(),
-            "declaration-order fixture must list every Diagnostic variant exactly once"
-        );
-        let mut seen = std::collections::HashSet::new();
-        for (i, diag) in examples.iter().enumerate() {
-            let idx = diag.layer1_declaration_index();
-            assert_eq!(
-                idx, i,
-                "fixture must stay in declaration order and match layer1_declaration_index()"
-            );
-            let label = diag.layer1_kind_label();
-            assert_eq!(label, LAYER1_DIAGNOSTIC_KIND_LABELS[i]);
-            assert!(seen.insert(label), "duplicate layer1 label: {label}");
-        }
-    }
-
-    #[test]
-    fn apply_correction_replaces_the_requested_span() {
-        let updated = apply_correction(
-            "let x: Int = 1\n",
-            &Correction::live(
-                "replace the literal",
-                SourceSpan::new("apply_fix.v3", 13, 14),
-                "2",
-            ),
-        )
-        .expect("correction should apply");
-        assert_eq!(updated, "let x: Int = 2\n");
-    }
-
-    #[test]
-    fn apply_correction_uses_span_offsets_not_file_participation() {
-        let updated = apply_correction(
-            "let x: Int = 1\n",
-            &Correction::live(
-                "replace the literal",
-                SourceSpan::new("expected.v3", 13, 14),
-                "2",
-            ),
-        )
-        .expect("correction application is offset-bounded, not gated by a separate file string");
-        assert_eq!(updated, "let x: Int = 2\n");
-    }
-
-    #[test]
-    fn apply_correction_rejects_non_char_boundaries() {
-        let source = "let x = \"é\"\n";
-        let accent = source.find('é').expect("fixture contains accent") as u32;
-        let error = apply_correction(
-            source,
-            &Correction::live(
-                "split the accent",
-                SourceSpan::new("utf8_fix.v3", accent, accent + 1),
-                "e",
-            ),
-        )
-        .expect_err("mid-codepoint correction must fail closed");
-        assert_eq!(
-            error,
-            CorrectionApplyError::NonCharBoundary { offset: accent + 1 }
-        );
-    }
-
-    #[test]
-    fn apply_correction_and_reparse_surfaces_parse_failures() {
-        let error = apply_correction_and_reparse(
-            "let x: Int = 1\n",
-            "broken_fix.v3",
-            &Correction::live(
-                "make the expression malformed",
-                SourceSpan::new("broken_fix.v3", 13, 14),
-                ")",
-            ),
-        )
-        .expect_err("malformed correction should fail closed");
-        assert!(
-            matches!(error, CorrectionValidationError::Parse(_)),
-            "expected parse failure carrier, got {error:?}"
-        );
-    }
-
-    #[test]
-    fn clean_emission_contracts_reference_named_correction_styles() {
-        let dag = Dag::new();
-        let assert_reference =
-            |clean_decl: DeclarationId, expected_style_name: &str, expected_name: &str| {
-                let fields = match dag
-                    .declaration(clean_decl)
-                    .value_body
-                    .as_ref()
-                    .expect("clean emission carries value_body")
-                {
-                    crate::dag::ValueBody::Structural { fields } => fields,
-                    other => panic!("clean emission must be structural, got {other:?}"),
-                };
-                let value = fields
-                    .iter()
-                    .find(|(label, _)| label == "correction_style")
-                    .map(|(_, value)| value)
-                    .expect("correction_style field exists");
-                match value {
-                    FieldValue::Reference(actual) => assert_eq!(
-                        dag.declaration(*actual).name.as_deref(),
-                        Some(expected_style_name),
-                        "{expected_name} should point at its named correction style"
-                    ),
-                    other => panic!("correction_style must be a Reference, got {other:?}"),
-                }
-            };
-        assert_reference(
-            dag.rust_clean_emission_spec().expect("rust clean emission"),
-            "rust_correction_style",
-            "rust_clean_emission",
-        );
-        assert_reference(
-            dag.go_clean_emission_spec().expect("go clean emission"),
-            "go_correction_style",
-            "go_clean_emission",
-        );
-        assert_reference(
-            dag.python_clean_emission_spec()
-                .expect("python clean emission"),
-            "python_correction_style",
-            "python_clean_emission",
-        );
-    }
-
-    #[test]
-    fn target_syntax_bundles_pair_each_language_with_its_clean_emission_contract() {
-        let dag = Dag::new();
-        let assert_bundle = |language_spec: DeclarationId,
-                             expected_clean_emission: DeclarationId| {
-            let bundle = dag
-                .target_syntax_bundle_for_language(language_spec)
-                .expect("bundle should exist for cached language spec");
-            assert_eq!(bundle.language_spec, language_spec);
-            assert_eq!(bundle.clean_emission_spec, expected_clean_emission);
-        };
-        assert_bundle(
-            dag.rust_language_spec().expect("rust language"),
-            dag.rust_clean_emission_spec().expect("rust clean emission"),
-        );
-        assert_bundle(
-            dag.go_language_spec().expect("go language"),
-            dag.go_clean_emission_spec().expect("go clean emission"),
-        );
-        assert_bundle(
-            dag.python_language_spec().expect("python language"),
-            dag.python_clean_emission_spec()
-                .expect("python clean emission"),
-        );
-    }
-
-    #[test]
-    fn example_source_for_decl_uses_cached_structural_identities_not_std_names() {
-        let mut dag = Dag::new();
-        let int_decl = dag.int_shape().expect("int shape").declaration;
-        let bool_decl = dag.bool_shape().expect("bool shape").declaration;
-        let string_decl = dag.string_shape().expect("string shape").declaration;
-        let list_decl = dag.list_template().expect("list template");
-
-        dag.declaration_mut(int_decl).name = Some("WholeNumber".to_string());
-        dag.declaration_mut(bool_decl).name = Some("TruthValue".to_string());
-        dag.declaration_mut(string_decl).name = Some("Text".to_string());
-        dag.declaration_mut(list_decl).name = Some("Sequence".to_string());
-
-        let list_instantiation = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: list_instantiation,
-            name: Some("SequenceOfInt".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: list_decl,
-                arguments: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        assert_eq!(
-            example_source_for_decl(&dag, int_decl).as_deref(),
-            Some("1")
-        );
-        assert_eq!(
-            example_source_for_decl(&dag, bool_decl).as_deref(),
-            Some("true")
-        );
-        assert_eq!(
-            example_source_for_decl(&dag, string_decl).as_deref(),
-            Some("\"x\"")
-        );
-        assert_eq!(
-            example_source_for_decl(&dag, list_decl).as_deref(),
-            Some("[]")
-        );
-        assert_eq!(
-            example_source_for_decl(&dag, list_instantiation).as_deref(),
-            Some("[]")
-        );
-    }
-
-    #[test]
-    fn example_source_for_decl_fails_closed_on_refined_record_children() {
-        let mut dag = Dag::new();
-        let int_decl = dag.int_shape().expect("int shape").declaration;
-        let bool_decl = dag.bool_shape().expect("bool shape").declaration;
-
-        let refined_child = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: refined_child,
-            name: Some("BigInt".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(int_decl)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(bool_decl),
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        let record_decl = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: record_decl,
-            name: Some("NeedsBig".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: refined_child,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        assert_eq!(example_source_for_decl(&dag, record_decl), None);
-    }
-
-    #[test]
-    fn example_source_for_decl_fails_closed_on_refined_sum_payloads() {
-        let mut dag = Dag::new();
-        let int_decl = dag.int_shape().expect("int shape").declaration;
-        let bool_decl = dag.bool_shape().expect("bool shape").declaration;
-
-        let refined_child = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: refined_child,
-            name: Some("BigInt".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(int_decl)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: Some(bool_decl),
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        let payload_decl = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: payload_decl,
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: refined_child,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        let sum_decl = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: sum_decl,
-            name: Some("MaybeBig".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "Some".to_string(),
-                    ty: payload_decl,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        assert_eq!(example_source_for_decl(&dag, sum_decl), None);
-    }
-
-    /// Regression: happy-path payloaded disjunct. Fills the coverage gap
-    /// the PR #554 loop-health meta-review called out — the existing
-    /// witness tests cover unpayloaded primitives and fail-closed refined
-    /// payloads, but no test pinned "Disj with a positional-payload variant
-    /// renders as `Variant(witness_arg0, witness_arg1, …)`". The walk goes
-    /// through `render_variant_witness` → `example_source_for_decl_inner`
-    /// on each payload field, so the assertion exercises the full
-    /// Disj → Conj → primitive recursion path structurally.
-    #[test]
-    fn example_source_for_decl_renders_positional_payload_variant() {
-        let mut dag = Dag::new();
-        let int_decl = dag.int_shape().expect("int shape").declaration;
-        let bool_decl = dag.bool_shape().expect("bool shape").declaration;
-
-        // Positional payload: fields `_0: Int`, `_1: Bool` — mirrors the
-        // shape lowering produces for `Cons(Int, Bool)` before any named-
-        // field surface grammar lands.
-        let payload_decl = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: payload_decl,
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![
-                    Field {
-                        label: "_0".to_string(),
-                        ty: int_decl,
-                    },
-                    Field {
-                        label: "_1".to_string(),
-                        ty: bool_decl,
-                    },
-                ],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        let sum_decl = dag.alloc_declaration_id();
-        dag.push_declaration(crate::dag::Declaration {
-            id: sum_decl,
-            name: Some("Pair".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "Paired".to_string(),
-                    ty: payload_decl,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("diagnostics_test.v3", 0, 1),
-        });
-
-        assert_eq!(
-            example_source_for_decl(&dag, sum_decl).as_deref(),
-            Some("Paired(1, true)"),
-            "payloaded variant witness must recurse structurally through each payload field"
-        );
-    }
-
-    #[test]
-    fn render_rust_diagnostic_uses_rust_correction_style() {
-        let dag = Dag::new();
-        let rendered = render_diagnostic_for_target(
-            &dag,
-            DiagnosticStyleTarget::Rust,
-            &Diagnostic::ResolveError {
-                name: "field `c` does not exist on `Point`".to_string(),
-                span: SourceSpan::new("field.v3", 12, 19),
-                correction: Correction::live(
-                    "did you mean `point.a`?",
-                    SourceSpan::new("field.v3", 12, 19),
-                    "point.a",
-                ),
-            },
-        )
-        .expect("render");
-        assert!(rendered.contains("FIX: did you mean `point.a`?"));
-        assert!(rendered.contains("\n    \"point.a\";"));
-    }
-
-    #[test]
-    fn render_deferred_correction_does_not_emit_fix_header() {
-        let dag = Dag::new();
-        let rendered = render_diagnostic_for_target(
-            &dag,
-            DiagnosticStyleTarget::Rust,
-            &Diagnostic::ParseError {
-                message: "not yet live-correctable".to_string(),
-                span: SourceSpan::new("deferred.v3", 0, 1),
-                correction: Correction::deferred_for_diagnostic_class("ParseError"),
-            },
-        )
-        .expect("render");
-        assert!(rendered.contains("ERROR at deferred.v3:0-1"));
-        assert!(
-            !rendered.contains("FIX (option"),
-            "deferred corrections are explicit residual carriers, not user-facing fixes: {rendered}"
-        );
-        assert!(
-            rendered.contains("DEFERRED CORRECTION: ParseError does not yet compute"),
-            "deferred corrections should remain visible without rendering as applyable fixes: {rendered}"
-        );
-    }
-
-    #[test]
-    fn render_go_diagnostic_uses_go_correction_style() {
-        let dag = Dag::new();
-        let rendered = render_diagnostic_for_target(
-            &dag,
-            DiagnosticStyleTarget::Go,
-            &Diagnostic::ResolveError {
-                name: "field `c` does not exist on `Point`".to_string(),
-                span: SourceSpan::new("field.v3", 12, 19),
-                correction: Correction::live(
-                    "did you mean `point.a`?",
-                    SourceSpan::new("field.v3", 12, 19),
-                    "point.a",
-                ),
-            },
-        )
-        .expect("render");
-        assert!(rendered.contains("FIX: did you mean `point.a`?"));
-        assert!(rendered.contains("\n\t\"point.a\""));
-        assert!(!rendered.contains("\n\t\"point.a\";"));
-    }
-
-    #[test]
-    fn render_python_diagnostic_uses_python_correction_style() {
-        let dag = Dag::new();
-        let rendered = render_diagnostic_for_target(
-            &dag,
-            DiagnosticStyleTarget::Python,
-            &Diagnostic::ResolveError {
-                name: "field `c` does not exist on `Point`".to_string(),
-                span: SourceSpan::new("field.v3", 12, 19),
-                correction: Correction::live(
-                    "did you mean `point.a`?",
-                    SourceSpan::new("field.v3", 12, 19),
-                    "point.a",
-                ),
-            },
-        )
-        .expect("render");
-        assert!(rendered.contains("FIX: did you mean `point.a`?"));
-        assert!(rendered.contains("\n    \"point.a\""));
-        assert!(!rendered.contains("\n    \"point.a\";"));
-    }
-
-    #[test]
-    fn render_rust_diagnostic_escapes_quotes_and_backslashes_in_fix_source() {
-        let dag = Dag::new();
-        let rendered = render_diagnostic_for_target(
-            &dag,
-            DiagnosticStyleTarget::Rust,
-            &Diagnostic::ResolveError {
-                name: "field `path` does not exist on `Config`".to_string(),
-                span: SourceSpan::new("field.v3", 12, 19),
-                correction: Correction::live(
-                    "did you mean `config.path`?",
-                    SourceSpan::new("field.v3", 12, 19),
-                    "config[\"path\\\\name\"]",
-                ),
-            },
-        )
-        .expect("render");
-        assert!(rendered.contains("\n    \"config[\\\"path\\\\\\\\name\\\"]\";"));
-    }
-
-    #[test]
-    fn render_multiline_fix_escapes_quotes_and_backslashes_in_each_line() {
-        let dag = Dag::new();
-        let rendered = render_diagnostic_for_target(
-            &dag,
-            DiagnosticStyleTarget::Python,
-            &Diagnostic::ResolveError {
-                name: "field `path` does not exist on `Config`".to_string(),
-                span: SourceSpan::new("field.v3", 12, 19),
-                correction: Correction::live(
-                    "did you mean `config.path`?",
-                    SourceSpan::new("field.v3", 12, 19),
-                    "config[\n\"path\\\\name\"\n]",
-                ),
-            },
-        )
-        .expect("render");
-        assert!(rendered.contains("\"\n    config[\n    \\\"path\\\\\\\\name\\\"\n    ]\""));
-    }
-
-    #[test]
-    fn diagnostic_attribution_default_is_unattributed_and_distinguishes_bootstrap() {
-        let key_a = BootstrapAuthorityKey::new("src/v3/std/induction.dag");
-        let key_b = BootstrapAuthorityKey::new("dsl/std/types.dag");
-
-        let unattributed = DiagnosticAttribution::Unattributed;
-        let bootstrap_a = DiagnosticAttribution::BootstrapAuthority(key_a.clone());
-        let bootstrap_a_again = DiagnosticAttribution::BootstrapAuthority(key_a.clone());
-        let bootstrap_b = DiagnosticAttribution::BootstrapAuthority(key_b.clone());
-
-        assert!(!unattributed.is_bootstrap());
-        assert_eq!(unattributed.as_bootstrap_authority(), None);
-
-        assert!(bootstrap_a.is_bootstrap());
-        assert_eq!(bootstrap_a.as_bootstrap_authority(), Some(&key_a));
-
-        // Witness identity (==) is the consumer dispatch path — no
-        // `span.file` string compare.
-        assert_eq!(bootstrap_a, bootstrap_a_again);
-        assert_ne!(bootstrap_a, bootstrap_b);
-        assert_ne!(bootstrap_a, unattributed);
-    }
-
-    #[test]
-    fn diagnostic_table_round_trips_bootstrap_attribution_per_port() {
-        // Drive through the public dag attach surface so we exercise
-        // the same biconditional (`Unresolved port iff diagnostic`) as
-        // production. `attach_diagnostic` is `pub(crate)`, so this
-        // test stays in-crate.
-        let mut dag = Dag::empty();
-        let key = BootstrapAuthorityKey::new("src/v3/std/python_method_template_contracts.dag");
-        let span = SourceSpan::new("src/v3/std/python_method_template_contracts.dag", 0, 0);
-
-        dag.attach_diagnostic(Diagnostic::ResolveError {
-            name: "user".to_string(),
-            span: span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("ResolveError"),
-        });
-        dag.attach_bootstrap_diagnostic(
-            key.clone(),
-            Diagnostic::ResolveError {
-                name: "bootstrap".to_string(),
-                span,
-                correction: Correction::deferred_for_diagnostic_class("ResolveError"),
-            },
-        );
-
-        let mut unattr_seen = 0usize;
-        let mut bootstrap_seen = 0usize;
-        for (_port, diag, attribution) in dag.diagnostics().iter_attributed() {
-            let Diagnostic::ResolveError { name, .. } = diag else {
-                panic!("unexpected diagnostic kind: {diag:?}");
-            };
-            match (name.as_str(), attribution) {
-                ("user", DiagnosticAttribution::Unattributed) => unattr_seen += 1,
-                ("bootstrap", DiagnosticAttribution::BootstrapAuthority(k)) => {
-                    assert_eq!(k, &key);
-                    bootstrap_seen += 1;
-                }
-                other => panic!("unexpected (name, attribution) pair: {other:?}"),
-            }
-        }
-        assert_eq!(unattr_seen, 1);
-        assert_eq!(bootstrap_seen, 1);
-
-        let bootstrap_count = dag
-            .diagnostics()
-            .iter_attributed()
-            .filter(|(_, _, a)| a.is_bootstrap())
-            .count();
-        assert_eq!(bootstrap_count, 1);
-    }
-}
diff --git a/src/v3/compiler/src/diagnostics_generated.rs b/src/v3/compiler/src/diagnostics_generated.rs
deleted file mode 100644
index a63873a1d63..00000000000
--- a/src/v3/compiler/src/diagnostics_generated.rs
+++ /dev/null
@@ -1,56 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/substrate.dag, src/v3/std/diagnostics.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SourceSpan {
-    pub file: String,
-    pub byte_start: u32,
-    pub byte_end: u32,
-}
-
-impl SourceSpan {
-    pub fn new(file: impl Into<String>, byte_start: u32, byte_end: u32) -> Self {
-        Self {
-            file: file.into(),
-            byte_start,
-            byte_end,
-        }
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub struct SourceByteSpan {
-    pub byte_start: u32,
-    pub byte_end: u32,
-}
-
-impl SourceByteSpan {
-    pub const fn new(byte_start: u32, byte_end: u32) -> Self {
-        Self {
-            byte_start,
-            byte_end,
-        }
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct CorrectionWitness {
-    pub description: String,
-    pub span: SourceSpan,
-    pub new_source: String,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct RetirementPlan {
-    pub owner: String,
-    pub exit_condition: String,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum Correction {
-    LiveCorrection { witness: CorrectionWitness },
-    DeferredCorrection {
-        reason: String,
-        retirement_plan: RetirementPlan,
-    },
-}
diff --git a/src/v3/compiler/src/dimension.rs b/src/v3/compiler/src/dimension.rs
deleted file mode 100644
index 467cc7f6bee..00000000000
--- a/src/v3/compiler/src/dimension.rs
+++ /dev/null
@@ -1,667 +0,0 @@
-//! DB-3 dimension analysis — Lane 2 Stage 2f.
-//!
-//! Type authority: `src/v3/std/dimensions.dag`, spine order:
-//! [`behavior_spine_in_node_order`] (`src/v3/std/workflows.dag`).
-//!
-//! Symbolic-cost dimension is the first migrated lens: it reuses
-//! [`crate::lens_cost_symbolic::symbolic_cost_of`] for per-Behavior
-//! witnesses and reports the composed carrier at `workflow_root`'s result
-//! port (same query the cost lens answers today).
-//!
-//! Witnesses are collected only for behaviors **reachable backward** from
-//! `workflow_root`'s result port (plus `workflow_root` itself). The symbolic
-//! cost lens fold only resolves costs along producer chains in `Dag.nodes`
-//! construction order; bootstrap declarations outside the active workflow
-//! slice routinely carry `Lookup::Miss` on their result ports even though the
-//! user program is well-costed — whole-DAG iteration would false-fail.
-
-use std::collections::HashSet;
-
-use crate::dag::{Behavior, Dag, NodeId, PortId, SymbolicCost};
-use crate::diagnostics::{Correction, Diagnostic, SourceSpan};
-use crate::lens_cost_symbolic::{lookup_symbolic_cost, SymbolicCostLookup};
-
-fn behavior_result_port(b: &Behavior) -> PortId {
-    match b {
-        Behavior::Value(v) => v.result_port(),
-        Behavior::Transform(t) => t.result_port(),
-        Behavior::Branch(br) => br.result_port(),
-        Behavior::Loop(l) => l.result_port(),
-        Behavior::Bind(bind) => bind.result_port(),
-    }
-}
-
-fn behavior_span(at: &Behavior) -> SourceSpan {
-    match at {
-        Behavior::Value(v) => v.span.clone(),
-        Behavior::Transform(t) => t.span.clone(),
-        Behavior::Branch(b) => b.span.clone(),
-        Behavior::Loop(l) => l.span.clone(),
-        Behavior::Bind(bind) => bind.span.clone(),
-    }
-}
-
-fn diagnostic_anchor_from_symbolic_cost_query_port(
-    d: &Dag,
-    query_port: &PortId,
-) -> Option<SourceSpan> {
-    let port_ref = d.port_opt(query_port)?;
-    let producer = port_ref.produced_by?;
-    d.node_opt(&producer).map(behavior_span)
-}
-
-/// Hint for malformed-producer lookups when emitting [`Diagnostic`] rows from witnesses that only carry
-/// [`ViolatesSubject::AtBehavior`] today: the offending behavior's own result [`PortId`] keyed the cost table
-/// miss. [`ProducerLookupMissing*`](ViolatesSubject) witnesses have no authoritative query port baked into
-/// the substrate residue — callers of [`violates_subject_diagnostic_span`] must pass **`Some(port)`** from
-/// the same keyed query as [`lens_cost_symbolic::symbolic_cost_of`](crate::lens_cost_symbolic::symbolic_cost_of).
-fn producer_lookup_anchor_hint(subject: &ViolatesSubject) -> Option<PortId> {
-    match subject {
-        ViolatesSubject::AtBehavior(b) => Some(behavior_result_port(b)),
-        ViolatesSubject::ProducerLookupMissingPort { .. }
-        | ViolatesSubject::ProducerLookupMissingNode { .. } => None,
-    }
-}
-
-/// IDE-/diagnostic-facing span for [`Witness::Violates`] when reporting
-/// [`ViolatesSubject::ProducerLookupMissingPort`] /
-/// [`ViolatesSubject::ProducerLookupMissingNode`].
-///
-/// Substrate residues name only offending [`PortId`] / [`NodeId`] handles —
-/// carrying no source location. [`lens_cost_symbolic::symbolic_cost_of`](crate::lens_cost_symbolic::symbolic_cost_of)
-/// is **port-keyed**; pass the **same `port`** it was called with here so diagnostics can anchor at the
-/// consumer port's declaring [`Behavior`] (parity with [`ViolatesSubject::AtBehavior`]), instead of the
-/// placeholder `malformed_substrate_producer_walk` sentinel used when **`lookup_port`** is unavailable.
-///
-/// [`ViolatesSubject::AtBehavior`]: ignores **`lookup_port`** and always attributes the offending behavior span.
-#[must_use]
-pub fn violates_subject_diagnostic_span(
-    d: &Dag,
-    lookup_port: Option<&PortId>,
-    subject: &ViolatesSubject,
-) -> SourceSpan {
-    match subject {
-        ViolatesSubject::AtBehavior(b) => behavior_span(b),
-        ViolatesSubject::ProducerLookupMissingPort { .. }
-        | ViolatesSubject::ProducerLookupMissingNode { .. } => lookup_port
-            .and_then(|p| diagnostic_anchor_from_symbolic_cost_query_port(d, p))
-            .unwrap_or_else(|| SourceSpan::new("malformed_substrate_producer_walk", 0, 0)),
-    }
-}
-
-/// Evidence partition — mirrors `Witness<Carrier>` in `std/dimensions.dag`.
-#[derive(Debug, Clone)]
-pub enum Witness<C> {
-    Inhabits(C),
-    Violates {
-        reason: String,
-        subject: ViolatesSubject,
-    },
-}
-
-/// 🟢 TERMINAL coproduct (**Practice 4** / `docs/modeling-discipline.md` §4):
-/// hand mirror of `ViolatesSubject` in `src/v3/std/dimensions.dag`. Variants are the discriminated outcomes
-/// of the producer walk ([`crate::dag::ProducerLookup`]) paired with lawful `Behavior` attribution — not a
-/// decomposable record without collapsing P3 fail-closed residue. **Ledger:** dissolution patterns 1–4 in §4
-/// do not apply; substrate + `Witness::Violates.subject` already name the single authority (gate #104).
-#[derive(Debug, Clone)]
-pub enum ViolatesSubject {
-    AtBehavior(Behavior),
-    ProducerLookupMissingPort { port: PortId },
-    ProducerLookupMissingNode { producer: NodeId },
-}
-
-/// Report carrier — mirrors `DimensionReport<Carrier>` in `std/dimensions.dag`.
-///
-/// 🟢 TERMINAL (aggregate from DB-3 dimension evaluation; see `dimensions.dag`).
-/// Pass/fail partition: success carries `composed`; failure carries `violations`
-/// and must not fabricate a carrier when witnesses violate or root composition
-/// misses (R2 fail-closed).
-#[derive(Debug, Clone)]
-pub enum DimensionReport<C> {
-    DimensionOk {
-        dimension_name: String,
-        composed: C,
-        witnesses: Vec<Witness<C>>,
-    },
-    DimensionFail {
-        dimension_name: String,
-        violations: Vec<Diagnostic>,
-        witnesses: Vec<Witness<C>>,
-    },
-}
-
-/// Same `Dag.nodes` order as `lenses/cost.dag::compute_symbolic_costs` /
-/// `std/workflows.dag::behavior_spine`.
-pub fn behavior_spine_in_node_order(d: &Dag) -> &[Behavior] {
-    d.nodes()
-}
-
-/// Behaviors on the backward dataflow slice from `workflow_root`'s result
-/// port, including `workflow_root` itself (the bind / root may not appear as
-/// the `produced_by` target of its own result port).
-fn workflow_reachable_behavior_ids(d: &Dag, workflow_root: NodeId) -> HashSet<NodeId> {
-    let mut visited_nodes = HashSet::new();
-    let mut visited_ports: HashSet<PortId> = HashSet::new();
-    let mut frontier: Vec<PortId> = Vec::new();
-
-    let root_behavior = d.node(workflow_root);
-    frontier.push(behavior_result_port(root_behavior));
-
-    while let Some(port) = frontier.pop() {
-        if !visited_ports.insert(port) {
-            continue;
-        }
-        let Some(producer) = d.port_opt(&port).and_then(|p| p.produced_by) else {
-            continue;
-        };
-        expand_behavior_backward(d, producer, &mut frontier, &mut visited_nodes);
-    }
-
-    // Always include the workflow root itself for dimension witnesses (e.g. a
-    // `Bind` is never the `produced_by` of its own `value` port). Do **not**
-    // seed `workflow_root` into `visited_nodes` before the walk: when the root
-    // is a `Transform`, its result port's producer is that same node — an early
-    // insert would make `expand_behavior_backward` return without enqueueing the
-    // transform's inputs, shrinking the slice to `{root}` only.
-    visited_nodes.insert(workflow_root);
-    visited_nodes
-}
-
-fn expand_behavior_backward(
-    d: &Dag,
-    node: NodeId,
-    frontier: &mut Vec<PortId>,
-    visited_nodes: &mut HashSet<NodeId>,
-) {
-    if !visited_nodes.insert(node) {
-        return;
-    }
-    let Some(behavior) = d.node_opt(&node) else {
-        return;
-    };
-    match behavior {
-        Behavior::Value(_) => {}
-        Behavior::Transform(transform) => {
-            for input in &transform.inputs {
-                frontier.push(*input);
-            }
-        }
-        Behavior::Branch(branch) => {
-            frontier.push(branch.input);
-            for path in &branch.paths {
-                expand_behavior_backward(d, path.body, frontier, visited_nodes);
-                frontier.push(path.output);
-            }
-        }
-        Behavior::Loop(loop_node) => {
-            frontier.push(loop_node.source);
-            frontier.push(loop_node.init);
-            if let Some(count) = loop_node.bound.count_port() {
-                frontier.push(count);
-            }
-            expand_behavior_backward(d, loop_node.body, frontier, visited_nodes);
-        }
-        Behavior::Bind(bind) => {
-            for param in &bind.params {
-                frontier.push(*param);
-            }
-            frontier.push(bind.value);
-        }
-    }
-}
-
-/// Symbolic-cost dimension analysis — DB-3 dispatch over the cost lens algebra.
-///
-/// On success ([`DimensionReport::DimensionOk`]), `composed` is the asymptotic
-/// bound at `workflow_root`'s result port. Witnesses walk every reachable
-/// [`Behavior`] in [`behavior_spine_in_node_order`] (construction order,
-/// filtered to the backward slice from the workflow root). Failure is only
-/// [`DimensionReport::DimensionFail`]: there is no fabricated carrier.
-pub fn analyze_symbolic_cost_dimension(
-    d: &Dag,
-    workflow_root: NodeId,
-) -> DimensionReport<SymbolicCost> {
-    const DIMENSION_NAME: &str = "symbolic_cost";
-    let cost_table = crate::lens_cost_symbolic::compute_symbolic_costs(d);
-    let scope = workflow_reachable_behavior_ids(d, workflow_root);
-    let mut witnesses = Vec::new();
-    for behavior in d.nodes() {
-        if !scope.contains(&behavior.id()) {
-            continue;
-        }
-        let port = behavior_result_port(behavior);
-        match lookup_symbolic_cost(&cost_table, &port) {
-            SymbolicCostLookup::Miss => witnesses.push(Witness::Violates {
-                reason: "missing symbolic cost for behavior result port".into(),
-                subject: ViolatesSubject::AtBehavior(behavior.clone()),
-            }),
-            SymbolicCostLookup::Hit(cost) => witnesses.push(Witness::Inhabits(cost)),
-        }
-    }
-
-    let root = d.node(workflow_root);
-    let root_lookup = lookup_symbolic_cost(&cost_table, &behavior_result_port(root));
-
-    let witness_failure = witnesses
-        .iter()
-        .any(|w| matches!(w, Witness::Violates { .. }));
-
-    if !witness_failure {
-        if let SymbolicCostLookup::Hit(composed) = root_lookup {
-            return DimensionReport::DimensionOk {
-                dimension_name: DIMENSION_NAME.to_string(),
-                composed,
-                witnesses,
-            };
-        }
-    }
-
-    let mut violations: Vec<Diagnostic> = witnesses
-        .iter()
-        .filter_map(|w| {
-            let Witness::Violates { reason, subject } = w else {
-                return None;
-            };
-            Some(Diagnostic::ParseError {
-                message: format!("symbolic_cost dimension: {reason}"),
-                span: violates_subject_diagnostic_span(
-                    d,
-                    producer_lookup_anchor_hint(subject).as_ref(),
-                    subject,
-                ),
-                correction: Correction::deferred_for_diagnostic_class(
-                    "SymbolicCostDimensionDiagnostic",
-                ),
-            })
-        })
-        .collect();
-
-    // Root `Miss` normally duplicates a `Witness::Violates` on the workflow root
-    // (same port as `behavior_result_port(root)`). Only synthesize a diagnostic
-    // here if the witness spine and root lookup ever disagree (fail-closed).
-    if matches!(root_lookup, SymbolicCostLookup::Miss) && violations.is_empty() {
-        violations.push(Diagnostic::ParseError {
-            message: "symbolic_cost dimension: missing symbolic cost for workflow root result port"
-                .into(),
-            span: behavior_span(root),
-            correction: Correction::deferred_for_diagnostic_class(
-                "SymbolicCostDimensionDiagnostic",
-            ),
-        });
-    }
-
-    DimensionReport::DimensionFail {
-        dimension_name: DIMENSION_NAME.to_string(),
-        violations,
-        witnesses,
-    }
-}
-
-/// PR-E E7 symbolic-cost-only first executable slice: public
-/// complexity-analysis entrypoint per
-/// `docs/briefs/r3-evaluator-e7-symbolic-cost-only-follow-on-readiness.md`.
-///
-/// **Single authority.** Thin wrapper that delegates to
-/// [`analyze_symbolic_cost_dimension`] — the lens-spine path that walks
-/// reachable behaviors from `workflow_root` via
-/// `workflow_reachable_behavior_ids` and looks up each in-scope behavior's
-/// result port in one [`crate::lens_cost_symbolic::compute_symbolic_costs`]
-/// table via [`crate::lens_cost_symbolic::lookup_symbolic_cost`] (same facts
-/// as [`crate::lens_cost_symbolic::symbolic_cost_of`], without rebuilding the
-/// table per port). The wrapper exists so the E7 public surface is named
-/// the way the dispatch brief locks it (`analyze_complexity` /
-/// `analyze_tenant_flow` / `analyze_ifc`) without introducing a
-/// parallel analyzer.
-///
-/// **Lens-spine, not body-evaluator-driven.** This entrypoint does
-/// **not** depend on `eval_node` / `evaluate_body` at all — the
-/// symbolic-cost lens (`cost_symbolic_lens_generated.rs`) walks the
-/// program DAG structurally and produces `SymbolicCostLookup::Hit(cost)`
-/// for every reachable behavior including `Loop`. Even now that
-/// `eval_node` dispatches `Behavior::Loop` (E5 landed), this wrapper
-/// remains the single-authority complexity entrypoint until
-/// `analyze_with_evaluator` (the body-evaluator-driven form) lands;
-/// at that point this lens-spine wrapper either dissolves or stays as
-/// the not-evaluator-driven path for cost specifically.
-///
-/// **Diagnostics.** `DimensionFail.violations` carries typed
-/// [`Diagnostic`] entries; tests must assert by typed pattern match,
-/// never by parsing `Witness::Violates.reason` strings.
-pub fn analyze_complexity(dag: &Dag, workflow_root: NodeId) -> DimensionReport<SymbolicCost> {
-    analyze_symbolic_cost_dimension(dag, workflow_root)
-}
-
-#[cfg(test)]
-mod analyze_complexity_tests {
-    use super::*;
-    use crate::dag::{literal_bits_int, Dag, TransformTarget};
-    use crate::operators::{ArithmeticOp, OperatorKind};
-
-    fn span() -> SourceSpan {
-        SourceSpan::new("analyze_complexity_test", 0, 0)
-    }
-
-    fn int_add_dag() -> (Dag, NodeId) {
-        let mut dag = Dag::new();
-        let lhs = dag.push_value(literal_bits_int(1), span());
-        let rhs = dag.push_value(literal_bits_int(2), span());
-        let add_out = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, rhs],
-            span(),
-        );
-        let root = dag.push_bind("sum", add_out, vec![], span());
-        (dag, root)
-    }
-
-    // E7 §test 1 — single-authority: analyze_complexity must produce
-    // the same DimensionReport as the live analyze_symbolic_cost_dimension
-    // for the same (dag, workflow_root). Pins that the wrapper does not
-    // introduce a parallel analyzer.
-    #[test]
-    fn analyze_complexity_matches_analyze_symbolic_cost_dimension_for_known_workflow() {
-        let (dag, root) = int_add_dag();
-
-        let wrapped = analyze_complexity(&dag, root);
-        let direct = analyze_symbolic_cost_dimension(&dag, root);
-
-        match (&wrapped, &direct) {
-            (
-                DimensionReport::DimensionOk {
-                    dimension_name: w_name,
-                    composed: w_composed,
-                    witnesses: w_witnesses,
-                },
-                DimensionReport::DimensionOk {
-                    dimension_name: d_name,
-                    composed: d_composed,
-                    witnesses: d_witnesses,
-                },
-            ) => {
-                assert_eq!(w_name, d_name);
-                assert_eq!(w_composed, d_composed);
-                assert_eq!(w_witnesses.len(), d_witnesses.len());
-            }
-            other => {
-                panic!("expected both branches DimensionOk with matching content, got {other:?}")
-            }
-        }
-    }
-
-    // E7 §test 1 (returns_ok shape check) — DimensionOk arm carries the
-    // expected dimension_name and a SymbolicCost composed value.
-    #[test]
-    fn analyze_complexity_returns_ok_for_bounded_int_add_workflow() {
-        let (dag, root) = int_add_dag();
-
-        let report = analyze_complexity(&dag, root);
-
-        let DimensionReport::DimensionOk {
-            dimension_name,
-            composed: _,
-            witnesses,
-        } = report
-        else {
-            panic!("expected DimensionOk for bounded int-add, got {report:?}");
-        };
-        assert_eq!(dimension_name, "symbolic_cost");
-        assert!(
-            witnesses
-                .iter()
-                .all(|w| !matches!(w, Witness::Violates { .. })),
-            "no Violates witness expected on the happy path",
-        );
-    }
-
-    // E7 §test 2 — fail-closed on missing cost: program with a
-    // ghost-input transform produces DimensionFail with at least one
-    // typed Diagnostic::ParseError in violations. Asserted by typed
-    // pattern match on the Diagnostic enum, never by string parsing.
-    #[test]
-    fn analyze_complexity_fails_closed_with_typed_diagnostic_on_missing_cost() {
-        let mut dag = Dag::new();
-        let int_shape = dag.int_shape().expect("bootstrap Int");
-        let lhs = dag.push_value(literal_bits_int(1), span());
-        let ghost_input = dag.alloc_port_with_shape(int_shape);
-        let bad_add = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, ghost_input],
-            span(),
-        );
-        let root = dag.push_bind("x", bad_add, vec![], span());
-
-        let report = analyze_complexity(&dag, root);
-
-        let DimensionReport::DimensionFail {
-            dimension_name,
-            violations,
-            witnesses: _,
-        } = report
-        else {
-            panic!("expected DimensionFail when the cost lens misses a port, got {report:?}");
-        };
-        assert_eq!(dimension_name, "symbolic_cost");
-        assert!(
-            !violations.is_empty(),
-            "DimensionFail must carry at least one typed diagnostic",
-        );
-        assert!(
-            violations
-                .iter()
-                .all(|d| matches!(d, Diagnostic::ParseError { .. })),
-            "every violation must be a typed Diagnostic enum variant, got {violations:?}",
-        );
-    }
-
-    // E7 §test 3 — DimensionFail does not fabricate a `composed`
-    // carrier. Pattern-matching the `DimensionFail` arm is enough to
-    // assert this: the field is unreachable on that arm by
-    // construction. The wrapper preserves the partition. Reuses the
-    // ghost-input transform pattern from the existing
-    // `missing_symbolic_cost_surfaces_as_dimension_fail_with_violates_witnesses`
-    // test so the workflow is well-formed enough for the lens walk.
-    #[test]
-    fn analyze_complexity_fail_arm_has_no_composed_field() {
-        let mut dag = Dag::new();
-        let int_shape = dag.int_shape().expect("bootstrap Int");
-        let lhs = dag.push_value(literal_bits_int(1), span());
-        let ghost_input = dag.alloc_port_with_shape(int_shape);
-        let bad_add = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, ghost_input],
-            span(),
-        );
-        let root = dag.push_bind("y", bad_add, vec![], span());
-
-        let report = analyze_complexity(&dag, root);
-
-        match report {
-            DimensionReport::DimensionFail { .. } => {
-                // Exhaustive match on this arm: the only fields are
-                // dimension_name / violations / witnesses. There is no
-                // `composed` field to fabricate. Pattern coverage IS
-                // the assertion.
-            }
-            DimensionReport::DimensionOk { .. } => {
-                panic!("expected DimensionFail on a ghost-input workflow, not DimensionOk")
-            }
-        }
-    }
-
-    // E7 §test 6 — typed-diagnostic discipline: every entry in
-    // DimensionFail.violations must be inspectable as a typed
-    // Diagnostic enum variant. No to_string / format / regex on the
-    // human-facing message field beyond non-empty checks. (Test #5
-    // from the brief is a discipline rule enforced by reviewer
-    // convention, not a runtime assertion.)
-    #[test]
-    fn analyze_complexity_violation_entries_are_typed_diagnostic_enums() {
-        let mut dag = Dag::new();
-        let int_shape = dag.int_shape().expect("bootstrap Int");
-        let lhs = dag.push_value(literal_bits_int(1), span());
-        let ghost_input = dag.alloc_port_with_shape(int_shape);
-        let bad_add = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, ghost_input],
-            span(),
-        );
-        let root = dag.push_bind("z", bad_add, vec![], span());
-
-        let report = analyze_complexity(&dag, root);
-        let DimensionReport::DimensionFail { violations, .. } = report else {
-            panic!("expected DimensionFail for ghost-port workflow");
-        };
-
-        for diagnostic in &violations {
-            // Exhaustive enum match: every variant of Diagnostic is a
-            // structural type the test can pattern-match on without
-            // parsing message content. Non-`ParseError` variants are
-            // also acceptable typed inhabitants.
-            let typed = match diagnostic {
-                Diagnostic::ParseError { message, .. } => !message.is_empty(),
-                _ => true,
-            };
-            assert!(
-                typed,
-                "Diagnostic must carry a non-empty human-facing message; got {diagnostic:?}",
-            );
-        }
-    }
-}
-
-#[cfg(test)]
-mod fail_closed_tests {
-    use super::*;
-    use crate::dag::{literal_bits_int, Dag, TransformTarget};
-    use crate::operators::{ArithmeticOp, OperatorKind};
-
-    #[test]
-    fn missing_symbolic_cost_surfaces_as_dimension_fail_with_violates_witnesses() {
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("dimension_fail_closed_test", 0, 0);
-        let int_shape = dag.int_shape().expect("bootstrap Int");
-        let lhs = dag.push_value(literal_bits_int(1), span.clone());
-        let ghost_input = dag.alloc_port_with_shape(int_shape);
-        let bad_add = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, ghost_input],
-            span.clone(),
-        );
-        let bind_id = dag.push_bind("x", bad_add, vec![], span);
-
-        let report = analyze_symbolic_cost_dimension(&dag, bind_id);
-        let DimensionReport::DimensionFail {
-            violations,
-            witnesses,
-            ..
-        } = report
-        else {
-            panic!("expected DimensionFail when cost lens misses an input port, got {report:?}");
-        };
-
-        assert!(
-            violations
-                .iter()
-                .any(|v| matches!(v, Diagnostic::ParseError { .. })),
-            "expected ParseError diagnostics from dimension proof failure, got {violations:?}"
-        );
-        assert!(
-            witnesses
-                .iter()
-                .any(|w| matches!(w, Witness::Violates { .. })),
-            "expected at least one Violates witness, got {witnesses:?}"
-        );
-        assert!(
-            witnesses
-                .iter()
-                .all(|w| !matches!(w, Witness::Inhabits(SymbolicCost::UnknownCost { .. }))),
-            "dimension witnesses must not fabricate UnknownCost carriers"
-        );
-    }
-
-    #[test]
-    fn transform_workflow_root_still_backward_reaches_operand_ports() {
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("transform_root_reach_test", 0, 0);
-        let lhs = dag.push_value(literal_bits_int(1), span.clone());
-        let rhs = dag.push_value(literal_bits_int(2), span.clone());
-        let add_out = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, rhs],
-            span,
-        );
-        let transform_root = dag
-            .port(add_out)
-            .produced_by
-            .expect("transform output port wired to its node");
-
-        let report = analyze_symbolic_cost_dimension(&dag, transform_root);
-        let DimensionReport::DimensionOk { witnesses, .. } = report else {
-            panic!("expected DimensionOk for well-wired Int add, got {report:?}");
-        };
-        assert!(
-            witnesses.len() >= 3,
-            "expected transform + two literal witnesses, got {}",
-            witnesses.len()
-        );
-    }
-}
-
-#[cfg(test)]
-mod violates_subject_diagnostic_span_tests {
-    use super::*;
-    use crate::dag::{literal_bits_int, Dag, PortId};
-
-    #[test]
-    fn producer_lookup_residue_prefers_consumer_behavior_span_when_keyed_port_given() {
-        let mut dag = Dag::new();
-        let anchored = SourceSpan::new("fixture_cost_port.dag", 11, 19);
-        let value_out = dag.push_value(literal_bits_int(42), anchored.clone());
-        let subject = ViolatesSubject::ProducerLookupMissingPort {
-            port: PortId::test_raw(999),
-        };
-
-        assert_eq!(
-            violates_subject_diagnostic_span(&dag, Some(&value_out), &subject),
-            anchored
-        );
-        assert_eq!(
-            violates_subject_diagnostic_span(&dag, None, &subject),
-            SourceSpan::new("malformed_substrate_producer_walk", 0, 0),
-        );
-
-        let node_miss = ViolatesSubject::ProducerLookupMissingNode {
-            producer: crate::dag::NodeId::from_table_index(424242),
-        };
-        assert_eq!(
-            violates_subject_diagnostic_span(&dag, Some(&value_out), &node_miss),
-            anchored
-        );
-    }
-
-    #[test]
-    fn at_behavior_always_anchors_the_subject_even_if_lookup_hint_differs() {
-        let mut dag = Dag::new();
-        let s1 = SourceSpan::new("subject_behavior.dag", 1, 4);
-        let s2 = SourceSpan::new("other_port_noise.dag", 77, 88);
-        let p_subj = dag.push_value(literal_bits_int(11), s1.clone());
-        let p_other = dag.push_value(literal_bits_int(22), s2.clone());
-        let nid = dag
-            .port_opt(&p_subj)
-            .expect("literal port wired")
-            .produced_by
-            .expect("value node should produce output port");
-        let b_subj = dag.node(nid).clone();
-
-        assert_eq!(
-            violates_subject_diagnostic_span(
-                &dag,
-                Some(&p_other),
-                &ViolatesSubject::AtBehavior(b_subj),
-            ),
-            s1,
-            "hint must not override declared subject behavior attribution",
-        );
-    }
-}
diff --git a/src/v3/compiler/src/emit.rs b/src/v3/compiler/src/emit.rs
deleted file mode 100644
index 36730262e91..00000000000
--- a/src/v3/compiler/src/emit.rs
+++ /dev/null
@@ -1,3992 +0,0 @@
-//! Shared emit entrypoint and Stage 1e scaffolding.
-//!
-//! **Invariant D-1 (determinism, DB-8):** for fixed inputs `(dag, target)`,
-//! successive calls to [`emit`] / [`emit_module`] must produce **byte-identical**
-//! text. Mechanical ratchet: `tests/determinism_test.rs` (5× re-emit per matrix
-//! row). Violations include unstable map/set iteration, timestamps or `file!()` /
-//! `line!()` in emitted source, and path-dependent emission. Single authority for
-//! this claim is the emit pipeline plus those tests (`feedback_substrate_principle_audit` Q5).
-//!
-//! `emit.rs` is the single dispatch surface for all targets. Each
-//! `*_target.rs` sibling still contains one target-monolithic
-//! implementation body; the behavior-by-behavior lifts planned in α
-//! §10 Stages 1e.2–1e.4 will move logic out of those files into
-//! generic walker helpers here. Until that dissolution lands,
-//! target-private carriers stay inside their target module and no
-//! cross-target code should read them.
-
-pub(crate) mod collection_ops_method_contract;
-pub(crate) mod python_target;
-pub(crate) mod rust_target;
-
-use std::collections::{HashMap, HashSet};
-
-/// Shared emitter-side mirror of `std.clean_emission.VariantPayloadFieldAccessRule`.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub(crate) enum VariantPayloadFieldAccessRuleBinding {
-    AccessFromPayloadBinding,
-    OverrideNamedFieldsAtBindingSite,
-}
-
-/// Per-payload-port rendering authority used by the emitters.
-#[derive(Debug, Clone)]
-pub(crate) enum VariantPayloadBinding<T> {
-    Direct(T),
-    Fields(HashMap<String, T>),
-}
-
-impl<T> VariantPayloadBinding<T> {
-    pub(crate) fn direct(&self) -> Option<&T> {
-        match self {
-            Self::Direct(value) => Some(value),
-            Self::Fields(_) => None,
-        }
-    }
-
-    pub(crate) fn field(&self, label: &str) -> Option<&T> {
-        match self {
-            Self::Direct(_) => None,
-            Self::Fields(fields) => fields.get(label),
-        }
-    }
-}
-
-pub use self::python_target::EmitPythonError;
-use self::rust_target::{EmitError, RealizationCategory, SubstrateMarkerRole};
-use crate::dag::{
-    substrate_div_error_type_decl_suppressed_for_emit,
-    substrate_result_type_decl_suppressed_for_emit, ArrowBody, AtomPayload, Behavior, BindNode,
-    BranchNode, BranchPattern, CardinalityBound, Declaration, DeclarationId, Field, FieldValue,
-    LiteralBits, Path, PortId, TemplateArgument, TransformNode, TransformTarget, TypeConnective,
-    ValueBody,
-};
-use crate::infer::strip_refinement_to_base;
-use crate::operators::OperatorKind;
-use crate::variant_payload::{
-    variant_payload_shape, VariantPayloadShape, VariantPayloadShapeLookup,
-};
-use crate::Dag;
-
-/// Recover `MethodEmitTemplate` sum-variant label for `constructor`.
-///
-/// Variant constructor declarations in the Dag often have `name: None`; labels
-/// live on the parent `Disj` in `emit_model`. Mirrors
-/// `pb_method_template_projection::disj_variant_label` (see comment there).
-pub(crate) fn method_emit_template_variant_label(
-    dag: &Dag,
-    constructor: DeclarationId,
-) -> Option<&str> {
-    let parent = dag.declaration(dag.method_emit_template_decl()?);
-    let TypeConnective::Disj { variants } = &parent.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.ty == constructor)
-        .map(|v| v.label.as_str())
-}
-
-/// Result port of a finished `behavior` subgraph — shared by Go and Rust emit
-/// paths for [`port_is_consumed_from`] (including `Behavior::Loop` body walks).
-pub(super) fn behavior_result_port(behavior: &Behavior) -> PortId {
-    match behavior {
-        Behavior::Value(v) => v.result_port(),
-        Behavior::Transform(t) => t.result_port(),
-        Behavior::Branch(b) => b.result_port(),
-        Behavior::Loop(l) => l.result_port(),
-        Behavior::Bind(b) => b.result_port(),
-    }
-}
-
-pub(crate) fn div_prelude_reserved_name_collision<'a>(
-    dag: &Dag,
-    type_decls: impl IntoIterator<Item = &'a &'a Declaration>,
-    function_decls: impl IntoIterator<Item = &'a &'a Declaration>,
-    top_level_binds: impl IntoIterator<Item = &'a &'a BindNode>,
-    helper_name: &'static str,
-) -> Option<&'static str> {
-    if type_decls.into_iter().any(|decl| {
-        decl.name.as_deref() == Some("DivError")
-            && !substrate_div_error_type_decl_suppressed_for_emit(dag, decl)
-    }) {
-        return Some("DivError");
-    }
-    function_decls
-        .into_iter()
-        .any(|decl| decl.name.as_deref() == Some(helper_name))
-        .then_some(helper_name)
-        .or_else(|| {
-            top_level_binds
-                .into_iter()
-                .any(|bind| bind.name == helper_name)
-                .then_some(helper_name)
-        })
-}
-
-pub(crate) fn decl_uses_substrate_result_or_div_error(
-    dag: &Dag,
-    declaration: DeclarationId,
-    visited: &mut HashSet<DeclarationId>,
-) -> bool {
-    if !visited.insert(declaration) {
-        return false;
-    }
-    let decl = dag.declaration(declaration);
-    if substrate_div_error_type_decl_suppressed_for_emit(dag, decl) {
-        return true;
-    }
-    match &decl.connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            substrate_result_type_decl_suppressed_for_emit(dag, dag.declaration(*template))
-                || arguments
-                    .iter()
-                    .any(|arg| decl_uses_substrate_result_or_div_error(dag, arg.value, visited))
-        }
-        TypeConnective::Conj { children } | TypeConnective::Disj { variants: children } => children
-            .iter()
-            .any(|field| decl_uses_substrate_result_or_div_error(dag, field.ty, visited)),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            decl_uses_substrate_result_or_div_error(dag, *next, visited)
-        }
-        TypeConnective::Cardinality(payload) => {
-            decl_uses_substrate_result_or_div_error(dag, payload.element(), visited)
-        }
-        TypeConnective::Arrow { inputs, output, .. } => {
-            inputs
-                .iter()
-                .any(|input| decl_uses_substrate_result_or_div_error(dag, *input, visited))
-                || decl_uses_substrate_result_or_div_error(dag, *output, visited)
-        }
-        _ => false,
-    }
-}
-
-fn dag_needs_go_result_prelude(
-    dag: &Dag,
-    type_decls: &[&Declaration],
-    top_level_binds: &[&BindNode],
-    function_decls: &[&Declaration],
-) -> bool {
-    type_decls
-        .iter()
-        .any(|decl| decl_uses_substrate_result_or_div_error(dag, decl.id, &mut HashSet::new()))
-        || top_level_binds
-            .iter()
-            .any(|bind| port_uses_substrate_result_or_div_error(dag, bind.value))
-        || function_decls
-            .iter()
-            .any(|decl| decl_uses_substrate_result_or_div_error(dag, decl.id, &mut HashSet::new()))
-}
-
-pub(crate) fn port_uses_substrate_result_or_div_error(dag: &Dag, port: PortId) -> bool {
-    let Some(ty) = dag.port(port).value_type() else {
-        return false;
-    };
-    decl_uses_substrate_result_or_div_error(dag, ty.declaration, &mut HashSet::new())
-}
-
-fn decl_uses_substrate_div_error(
-    dag: &Dag,
-    declaration: DeclarationId,
-    visited: &mut HashSet<DeclarationId>,
-) -> bool {
-    if !visited.insert(declaration) {
-        return false;
-    }
-    let decl = dag.declaration(declaration);
-    if substrate_div_error_type_decl_suppressed_for_emit(dag, decl) {
-        return true;
-    }
-    match &decl.connective {
-        TypeConnective::Instantiation { arguments, .. } => arguments
-            .iter()
-            .any(|arg| decl_uses_substrate_div_error(dag, arg.value, visited)),
-        TypeConnective::Conj { children } | TypeConnective::Disj { variants: children } => children
-            .iter()
-            .any(|field| decl_uses_substrate_div_error(dag, field.ty, visited)),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            decl_uses_substrate_div_error(dag, *next, visited)
-        }
-        TypeConnective::Cardinality(payload) => {
-            decl_uses_substrate_div_error(dag, payload.element(), visited)
-        }
-        TypeConnective::Arrow { inputs, output, .. } => {
-            inputs
-                .iter()
-                .any(|input| decl_uses_substrate_div_error(dag, *input, visited))
-                || decl_uses_substrate_div_error(dag, *output, visited)
-        }
-        _ => false,
-    }
-}
-
-fn port_uses_substrate_div_error(dag: &Dag, port: PortId) -> bool {
-    let Some(ty) = dag.port(port).value_type() else {
-        return false;
-    };
-    decl_uses_substrate_div_error(dag, ty.declaration, &mut HashSet::new())
-}
-
-pub(crate) fn dag_needs_div_error_prelude(
-    dag: &Dag,
-    type_decls: &[&Declaration],
-    top_level_binds: &[&BindNode],
-    function_decls: &[&Declaration],
-) -> bool {
-    dag_uses_arithmetic_div(dag, top_level_binds, function_decls)
-        || type_decls
-            .iter()
-            .any(|decl| decl_uses_substrate_div_error(dag, decl.id, &mut HashSet::new()))
-        || top_level_binds
-            .iter()
-            .any(|bind| port_uses_substrate_div_error(dag, bind.value))
-        || function_decls
-            .iter()
-            .any(|decl| decl_uses_substrate_div_error(dag, decl.id, &mut HashSet::new()))
-}
-
-/// Structural port-liveness walk. Returns true if `target` appears as any port
-/// reachable from `root` via producer→input edges (each behavior visits its
-/// inputs once; cost is bounded by the body subgraph).
-///
-/// Go and Rust emit use this to answer whether an arm body actually consumes a
-/// payload binding — **without** scanning rendered source. The contract is a
-/// graph fact, so the check stays structural.
-///
-/// Ports with no producer (`produced_by = None`, as payload bindings use) are
-/// leaves: the walk either hits `target` there or skips an unrelated parameter
-/// port.
-pub(super) fn port_is_consumed_from(dag: &Dag, root: PortId, target: PortId) -> bool {
-    if root == target {
-        return true;
-    }
-    let mut visited: HashSet<PortId> = HashSet::new();
-    let mut queue: Vec<PortId> = vec![root];
-    while let Some(port) = queue.pop() {
-        if !visited.insert(port) {
-            continue;
-        }
-        if port == target {
-            return true;
-        }
-        let Some(producer) = dag.port(port).produced_by else {
-            continue;
-        };
-        match dag.node(producer) {
-            Behavior::Value(_) => {}
-            Behavior::Transform(t) => {
-                for input in t.inputs.iter().copied() {
-                    queue.push(input);
-                }
-            }
-            Behavior::Branch(b) => {
-                queue.push(b.input);
-                for path in &b.paths {
-                    queue.push(path.output);
-                }
-            }
-            Behavior::Loop(l) => {
-                queue.push(l.source);
-                queue.push(l.init);
-                if let Some(count) = l.bound.count_port() {
-                    queue.push(count);
-                }
-                queue.push(behavior_result_port(dag.node(l.body)));
-            }
-            Behavior::Bind(b) => {
-                queue.push(b.value);
-            }
-        }
-    }
-    false
-}
-
-/// Shared lookup failures for the emitter-internal type/operator walk helpers.
-///
-/// **Dissolution note — 🟢 TERMINAL (local helper error coproduct).** Two
-/// structurally distinct failure modes remain after consolidating the target
-/// walkers: either the queried port has no resolved type yet, or the walk
-/// reached a target-unsupported / malformed anchor and carries a diagnostic
-/// string. The target emitters immediately map this local coproduct into their
-/// own public error surfaces, so this enum is an implementation-layer bridge,
-/// not a second user-facing authority.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub(super) enum SharedEmitLookupError {
-    UntypedPort(PortId),
-    Unsupported(String),
-}
-
-pub(super) fn primitive_type_id_for_port_shared(
-    dag: &Dag,
-    port: PortId,
-) -> Result<DeclarationId, SharedEmitLookupError> {
-    let ts = dag
-        .port(port)
-        .value_type()
-        .ok_or(SharedEmitLookupError::UntypedPort(port))?;
-    let mut current = ts.declaration;
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        if decl.name.is_some() {
-            return Ok(current);
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            _ => return Ok(current),
-        }
-    }
-    Err(SharedEmitLookupError::Unsupported(
-        "port type walk exceeded depth 32 — likely a cycle".to_string(),
-    ))
-}
-
-pub(super) fn walk_to_disj(dag: &Dag, start: DeclarationId) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..32 {
-        match &dag.declaration(current).connective {
-            TypeConnective::Disj { .. } => return Some(current),
-            TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-                return dag.optional_match_disj(current);
-            }
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            _ => return None,
-        }
-    }
-    None
-}
-
-pub(super) fn algebra_field_for_operator_shared(
-    dag: &Dag,
-    operand_type_id: DeclarationId,
-    op: OperatorKind,
-) -> Result<DeclarationId, SharedEmitLookupError> {
-    let Some(algebra_conj_id) = walk_to_algebra_conj(dag, operand_type_id) else {
-        return canonical_operator_field_shared(dag, op);
-    };
-    let field_label = crate::operators::algebra_field_name(op);
-    let children = match &dag.declaration(algebra_conj_id).connective {
-        TypeConnective::Conj { children } => children,
-        _ => unreachable!("walk_to_algebra_conj returned a non-Conj"),
-    };
-    if let Some(field) = children.iter().find(|field| field.label == field_label) {
-        return Ok(field.ty);
-    }
-    canonical_operator_field_shared(dag, op)
-}
-
-fn walk_to_algebra_conj(dag: &Dag, start: DeclarationId) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        match &decl.connective {
-            TypeConnective::Conj { .. } => return Some(current),
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            _ => {
-                if let Some(inh) = decl.inhabits {
-                    current = inh;
-                } else {
-                    return None;
-                }
-            }
-        }
-    }
-    None
-}
-
-fn canonical_operator_field_shared(
-    dag: &Dag,
-    op: OperatorKind,
-) -> Result<DeclarationId, SharedEmitLookupError> {
-    let ordered_ring_id = dag.ordered_ring_decl().ok_or_else(|| {
-        SharedEmitLookupError::Unsupported(
-            "bootstrap is missing the canonical `OrderedRing` declaration".to_string(),
-        )
-    })?;
-    let ordered_ring = dag.declaration(ordered_ring_id);
-    let TypeConnective::Conj { children } = &ordered_ring.connective else {
-        return Err(SharedEmitLookupError::Unsupported(
-            "`OrderedRing` does not lower to a Conj declaration".to_string(),
-        ));
-    };
-    let field_label = crate::operators::algebra_field_name(op);
-    children
-        .iter()
-        .find(|field| field.label == field_label)
-        .map(|field| field.ty)
-        .ok_or_else(|| {
-            SharedEmitLookupError::Unsupported(format!(
-                "`OrderedRing` has no canonical field labeled {field_label}"
-            ))
-        })
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum GoFieldAccessBinding {
-    DirectField(String),
-    AccessorMethod(String),
-}
-
-#[derive(Debug, Clone)]
-struct FieldBindingBinding {
-    access: GoFieldAccessBinding,
-}
-
-#[derive(Debug, Clone)]
-struct TypeRealizationBinding {
-    carrier: String,
-    fields: HashMap<String, FieldBindingBinding>,
-}
-
-#[derive(Debug, Clone)]
-struct TypeInstantiationBinding {
-    carrier: String,
-}
-
-/// Mirrors emit_rust::ParameterDispositionBinding. Go's GC rendering
-/// doesn't make borrow/move decisions, so the emitter doesn't act on
-/// the value. The field is still required on every CallableRealization
-/// (single shared schema with rust.dag), so we parse and validate it
-/// fail-closed — a malformed disposition vector is a spec bug, even
-/// when this target ignores the result.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ParameterDispositionBinding {
-    Borrowed,
-    Consumed,
-}
-
-#[allow(clippy::enum_variant_names)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum CallableStrategyBinding {
-    ListEmpty,
-    ListSingleton,
-    ListCons,
-    ListConcat,
-    ListLength,
-    ListIsEmpty,
-    ListFold,
-    ListMap,
-    ListFilter,
-    ListContains,
-}
-
-#[derive(Debug, Clone)]
-struct PatternRealizationBinding {
-    empty_variant: DeclarationId,
-    cons_variant: DeclarationId,
-    scrutinee: String,
-    empty_pattern: String,
-    cons_pattern: String,
-    head_expr: String,
-    tail_expr: String,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub(crate) enum PatternStrategyBinding {
-    VectorList,
-}
-
-#[derive(Debug, Clone)]
-struct StatementSyntaxBinding {
-    let_binding: String,
-}
-
-#[derive(Debug, Clone)]
-struct ExpressionSyntaxBinding {
-    field_access: String,
-    function_call: String,
-}
-
-#[derive(Debug, Clone)]
-struct FunctionSyntaxBinding {
-    definition: String,
-    param_with_type: String,
-    param_separator: String,
-}
-
-#[derive(Debug, Clone)]
-struct TypeApplicationSyntaxBinding {
-    optional: String,
-}
-
-#[derive(Debug, Clone)]
-struct TypeDefinitionSyntaxBinding {
-    struct_def: String,
-    struct_field: String,
-}
-
-#[derive(Debug, Clone)]
-struct ValueConstructionSyntaxBinding {
-    struct_literal: String,
-    struct_field_init: String,
-    struct_field_separator: String,
-    variant_named_construction: String,
-}
-
-#[derive(Debug, Clone)]
-struct LiteralSyntaxBinding {
-    true_keyword: String,
-    false_keyword: String,
-    string_delimiter: String,
-}
-
-#[derive(Debug, Clone)]
-struct GoLanguageSyntax {
-    statements: StatementSyntaxBinding,
-    expressions: ExpressionSyntaxBinding,
-    functions: FunctionSyntaxBinding,
-    type_applications: TypeApplicationSyntaxBinding,
-    type_definitions: TypeDefinitionSyntaxBinding,
-    values: ValueConstructionSyntaxBinding,
-    literals: LiteralSyntaxBinding,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum MemoryModelBinding {
-    ValueOnly,
-    GarbageCollected,
-    RefCounted,
-    OwnershipBased,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ScopeModelBinding {
-    LexicalScoping,
-    DynamicScoping,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct TargetExecutionModelBinding {
-    memory: MemoryModelBinding,
-    scope: ScopeModelBinding,
-}
-
-#[derive(Debug, Clone)]
-pub(crate) struct SourceFilteringBinding {
-    excluded_prefixes: Vec<String>,
-}
-
-/// Typed read of `data go_clean_emission: CleanEmissionContract`
-/// from `src/v3/spec/go.dag` — the portion this pilot consumes (E-5
-/// / Lane 1 Stage 1c PR 2). Other contract rules land here as their
-/// consumers wire in.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct CleanEmissionContractBinding {
-    pattern_bindings: PatternBindingRuleBinding,
-    variant_payload_field_access: VariantPayloadFieldAccessRuleBinding,
-}
-
-/// Go-valid slice of `std.clean_emission.PatternBindingRule`. Parsed
-/// in `CleanEmissionContractBinding::build`, which rejects
-/// target-invalid constructors instead of letting the renderer
-/// normalize them later. Go has no pattern-level underscore
-/// convention (blank identifier is statement-level), so
-/// `EmitPrefixedUnderscoreWhenUnused` is a Python-shaped choice
-/// the Go emitter refuses.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum PatternBindingRuleBinding {
-    EmitBindingAlways,
-    EmitUnderscoreWhenUnused,
-}
-
-struct RealizationIndexes {
-    types: HashMap<DeclarationId, TypeRealizationBinding>,
-    instantiations: HashMap<DeclarationId, TypeInstantiationBinding>,
-    operators: HashMap<(DeclarationId, DeclarationId), String>,
-    behaviors: HashMap<DeclarationId, String>,
-    callables: HashMap<DeclarationId, CallableStrategyBinding>,
-    /// Parsed and validated, but not consulted for Go emission (GC
-    /// targets don't render borrow/move). Holding the field keeps the
-    /// shared CallableRealization schema honest: every entry in a
-    /// CallableRealization must have a well-formed dispositions vector,
-    /// even when this target ignores the result.
-    #[allow(dead_code)]
-    callable_dispositions: HashMap<DeclarationId, Vec<ParameterDispositionBinding>>,
-    patterns: HashMap<DeclarationId, PatternRealizationBinding>,
-    syntax: GoLanguageSyntax,
-    execution_model: TargetExecutionModelBinding,
-    /// Source exclusion policy loaded from
-    /// `data go_source_filtering: ShapeATargetSourceFiltering`.
-    source_filtering: SourceFilteringBinding,
-    /// The Go clean-emission contract loaded from `data
-    /// go_clean_emission: CleanEmissionContract` (E-5 / Lane 1 Stage
-    /// 1c PR 2). Rule variants dispatch inside the emitter to shape
-    /// emitted code so `gofmt -l` stays empty and Go's
-    /// unused-local compile error never fires.
-    clean_emission: CleanEmissionContractBinding,
-}
-
-impl RealizationIndexes {
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let type_meta = dag
-            .type_realization_meta()
-            .ok_or(EmitError::MissingRealizationMeta(RealizationCategory::Type))?;
-        let type_instantiation_meta =
-            dag.type_instantiation_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::TypeInstantiation,
-                ))?;
-        let op_meta = dag
-            .operator_realization_meta()
-            .ok_or(EmitError::MissingRealizationMeta(
-                RealizationCategory::Operator,
-            ))?;
-        let behavior_meta =
-            dag.behavior_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::Behavior,
-                ))?;
-        let callable_meta =
-            dag.callable_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::Callable,
-                ))?;
-        let pattern_meta =
-            dag.pattern_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::Pattern,
-                ))?;
-
-        let mut types = HashMap::new();
-        let mut instantiations = HashMap::new();
-        let mut operators = HashMap::new();
-        let mut behaviors = HashMap::new();
-        let mut callables = HashMap::new();
-        let mut callable_dispositions: HashMap<DeclarationId, Vec<ParameterDispositionBinding>> =
-            HashMap::new();
-        let mut patterns = HashMap::new();
-
-        // Cache the Go language-spec declaration id once; shared
-        // realizations reference it via `language: DeclarationRef`
-        // and this emitter picks up only entries that match.
-        // Replaces the previous TargetLanguage enum roster with a
-        // declaration-identity compare (INVARIANTS.md E-6).
-        let go_language_id = dag
-            .go_language_spec()
-            .ok_or(EmitError::MissingTargetSyntax("go_language"))?;
-
-        for decl in dag.declarations() {
-            let Some(meta_tag) = decl.meta_tag else {
-                continue;
-            };
-            let category = if meta_tag == type_meta {
-                RealizationCategory::Type
-            } else if meta_tag == type_instantiation_meta {
-                RealizationCategory::TypeInstantiation
-            } else if meta_tag == op_meta {
-                RealizationCategory::Operator
-            } else if meta_tag == behavior_meta {
-                RealizationCategory::Behavior
-            } else if meta_tag == callable_meta {
-                RealizationCategory::Callable
-            } else if meta_tag == pattern_meta {
-                RealizationCategory::Pattern
-            } else {
-                continue;
-            };
-            let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-                return Err(EmitError::MalformedRealization {
-                    declaration: decl.id,
-                    detail:
-                        "realization data item has no Structural value_body — bootstrap inhabitance check missed a malformed spec entry",
-                });
-            };
-            // Skip realizations declared for other shared targets
-            // (e.g. Rust) by comparing the typed `language` field to
-            // this emitter's cached language-spec declaration id.
-            // Replaces the previous TargetLanguage enum roster; adding
-            // a new shared target is now a pure spec-file change.
-            let language_ref = require_field_decl_ref(fields, "language", decl.id)?;
-            if language_ref != go_language_id {
-                continue;
-            }
-            let target = require_field_decl_ref(fields, "target", decl.id)?;
-            match category {
-                RealizationCategory::Type => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    if types
-                        .insert(
-                            target,
-                            TypeRealizationBinding {
-                                carrier,
-                                fields: require_field_bindings(dag, fields, decl.id)?,
-                            },
-                        )
-                        .is_some()
-                    {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail: "two TypeRealization data items target the same declaration",
-                        });
-                    }
-                }
-                RealizationCategory::TypeInstantiation => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    if instantiations
-                        .insert(target, TypeInstantiationBinding { carrier })
-                        .is_some()
-                    {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two TypeInstantiationRealization data items target the same declaration",
-                        });
-                    }
-                }
-                RealizationCategory::Operator => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    if !carrier.contains("{lhs}") || !carrier.contains("{rhs}") {
-                        return Err(EmitError::MalformedRealization {
-                            declaration: decl.id,
-                            detail: "OperatorRealization carrier must be a full-expression template containing {lhs} and {rhs}",
-                        });
-                    }
-                    let op = require_field_decl_ref(fields, "op", decl.id)?;
-                    if operators.insert((target, op), carrier).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two OperatorRealization data items share the same (target, op) pair",
-                        });
-                    }
-                }
-                RealizationCategory::Behavior => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    if behaviors.insert(target, carrier).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two BehaviorRealization data items target the same substrate marker",
-                        });
-                    }
-                }
-                RealizationCategory::Callable => {
-                    let strategy = require_callable_strategy(dag, fields, decl.id)?;
-                    let expected_arity = match &dag.declaration(target).connective {
-                        TypeConnective::Arrow { inputs, .. } => inputs.len(),
-                        _ => {
-                            return Err(EmitError::MalformedRealization {
-                                declaration: decl.id,
-                                detail: "CallableRealization target must be an Arrow declaration",
-                            })
-                        }
-                    };
-                    let dispositions =
-                        require_parameter_dispositions(dag, fields, decl.id, expected_arity)?;
-                    if callables.insert(target, strategy).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two CallableRealization data items target the same callable declaration",
-                        });
-                    }
-                    if callable_dispositions.insert(target, dispositions).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two CallableRealization data items target the same callable declaration's parameter dispositions",
-                        });
-                    }
-                }
-                RealizationCategory::Pattern => {
-                    let binding = require_pattern_realization(dag, fields, decl.id)?;
-                    validate_pattern_roles(dag, target, &binding, decl.id)?;
-                    if patterns.insert(target, binding).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two PatternRealization data items target the same structural sum declaration",
-                        });
-                    }
-                }
-            }
-        }
-
-        let execution_model = TargetExecutionModelBinding::build(
-            dag,
-            dag.go_execution_model_spec()
-                .ok_or(EmitError::MissingTargetSyntax("go_execution_model"))?,
-        )?;
-        if execution_model.scope != ScopeModelBinding::LexicalScoping {
-            return Err(EmitError::UnsupportedBehavior(
-                "emit_go requires lexical scoping targets".to_string(),
-            ));
-        }
-        let source_filtering = SourceFilteringBinding::build(
-            dag,
-            dag.go_source_filtering_spec()
-                .ok_or(EmitError::MissingTargetSyntax("go_source_filtering"))?,
-        )?;
-        let syntax = GoLanguageSyntax::build(dag)?;
-        let clean_emission = CleanEmissionContractBinding::build(dag)?;
-
-        Ok(Self {
-            types,
-            instantiations,
-            operators,
-            behaviors,
-            callables,
-            callable_dispositions,
-            patterns,
-            syntax,
-            execution_model,
-            source_filtering,
-            clean_emission,
-        })
-    }
-}
-
-impl CleanEmissionContractBinding {
-    /// Parse the portion of `data go_clean_emission:
-    /// CleanEmissionContract` this emitter consumes. Currently only
-    /// `pattern_bindings` and `variant_payload_field_access`
-    /// dispatch; other rules parse when their consumers land.
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let declaration = dag
-            .go_clean_emission_spec()
-            .ok_or(EmitError::MissingTargetSyntax("go_clean_emission"))?;
-        let fields = structural_fields_for_decl(dag, declaration)?;
-        let pattern_bindings_value = fields
-            .iter()
-            .find(|(label, _)| label == "pattern_bindings")
-            .map(|(_, value)| value)
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "go_clean_emission is missing required `pattern_bindings` field",
-            })?;
-        let pattern_bindings =
-            parse_pattern_binding_rule(dag, pattern_bindings_value, declaration)?;
-        let variant_payload_field_access_value = fields
-            .iter()
-            .find(|(label, _)| label == "variant_payload_field_access")
-            .map(|(_, value)| value)
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail:
-                    "go_clean_emission is missing required `variant_payload_field_access` field",
-            })?;
-        let variant_payload_field_access = parse_variant_payload_field_access_rule(
-            dag,
-            variant_payload_field_access_value,
-            declaration,
-        )?;
-        Ok(Self {
-            pattern_bindings,
-            variant_payload_field_access,
-        })
-    }
-}
-
-fn parse_pattern_binding_rule(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<PatternBindingRuleBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "go_clean_emission.pattern_bindings must be a PatternBindingRule variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule variants must not carry payload fields",
-        });
-    }
-    let variants = dag.pattern_binding_rule_variants();
-    let emit_always = variants
-        .emit_always
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.EmitBindingAlways declaration was not found",
-        })?;
-    let emit_underscore = variants
-        .emit_underscore
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.EmitUnderscoreWhenUnused declaration was not found",
-        })?;
-    let emit_prefixed = variants
-        .emit_prefixed
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.EmitPrefixedUnderscoreWhenUnused declaration was not found",
-        })?;
-    let not_applicable = variants
-        .not_applicable
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.NotApplicablePatternBinding declaration was not found",
-        })?;
-    if *constructor == emit_always {
-        Ok(PatternBindingRuleBinding::EmitBindingAlways)
-    } else if *constructor == emit_underscore {
-        Ok(PatternBindingRuleBinding::EmitUnderscoreWhenUnused)
-    } else if *constructor == emit_prefixed {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "go_clean_emission.pattern_bindings cannot use PatternBindingRule.EmitPrefixedUnderscoreWhenUnused; Go only supports EmitBindingAlways or EmitUnderscoreWhenUnused",
-        })
-    } else if *constructor == not_applicable {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "go_clean_emission.pattern_bindings cannot use PatternBindingRule.NotApplicablePatternBinding; Go only supports EmitBindingAlways or EmitUnderscoreWhenUnused",
-        })
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "go_clean_emission.pattern_bindings constructor is not a known PatternBindingRule variant",
-        })
-    }
-}
-
-fn parse_variant_payload_field_access_rule(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<VariantPayloadFieldAccessRuleBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail:
-                "go_clean_emission.variant_payload_field_access must be a VariantPayloadFieldAccessRule variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "VariantPayloadFieldAccessRule variants must not carry payload fields",
-        });
-    }
-    let variants = dag.variant_payload_field_access_rule_variants();
-    let access_from_payload_binding =
-        variants
-            .access_from_payload_binding
-            .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail:
-                "VariantPayloadFieldAccessRule.AccessFromPayloadBinding declaration was not found",
-        })?;
-    let override_named_fields_at_binding_site = variants
-        .override_named_fields_at_binding_site
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "VariantPayloadFieldAccessRule.OverrideNamedFieldsAtBindingSite declaration was not found",
-        })?;
-    if *constructor == access_from_payload_binding {
-        Ok(VariantPayloadFieldAccessRuleBinding::AccessFromPayloadBinding)
-    } else if *constructor == override_named_fields_at_binding_site {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "go_clean_emission.variant_payload_field_access cannot use VariantPayloadFieldAccessRule.OverrideNamedFieldsAtBindingSite; Go requires AccessFromPayloadBinding for native sum payloads",
-        })
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "go_clean_emission.variant_payload_field_access constructor is not a known VariantPayloadFieldAccessRule variant",
-        })
-    }
-}
-
-impl GoLanguageSyntax {
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let language_decl = dag
-            .go_language_spec()
-            .ok_or(EmitError::MissingTargetSyntax("go_language"))?;
-        let fields = structural_fields_for_decl(dag, language_decl)?;
-        Ok(Self {
-            statements: parse_statement_syntax(
-                dag,
-                require_field_decl_ref(fields, "statements", language_decl)?,
-            )?,
-            expressions: parse_expression_syntax(
-                dag,
-                require_field_decl_ref(fields, "expressions", language_decl)?,
-            )?,
-            functions: parse_function_syntax(
-                dag,
-                require_field_decl_ref(fields, "functions", language_decl)?,
-            )?,
-            type_applications: parse_type_application_syntax(
-                dag,
-                require_field_decl_ref(fields, "type_applications", language_decl)?,
-            )?,
-            type_definitions: parse_type_definition_syntax(
-                dag,
-                require_field_decl_ref(fields, "type_definitions", language_decl)?,
-            )?,
-            values: parse_value_construction_syntax(
-                dag,
-                require_field_decl_ref(fields, "values", language_decl)?,
-            )?,
-            literals: parse_literal_syntax(
-                dag,
-                require_field_decl_ref(fields, "literals", language_decl)?,
-            )?,
-        })
-    }
-}
-
-impl TargetExecutionModelBinding {
-    fn build(dag: &Dag, declaration: DeclarationId) -> Result<Self, EmitError> {
-        let fields = structural_fields_for_decl(dag, declaration)?;
-        Ok(Self {
-            memory: require_memory_model(dag, fields, declaration)?,
-            scope: require_scope_model(dag, fields, declaration)?,
-        })
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum EmitTarget {
-    Go,
-    Rust,
-    Python,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum EmitMode {
-    Program,
-    Module,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct EmittedSource {
-    pub text: String,
-    pub target: EmitTarget,
-    pub mode: EmitMode,
-}
-
-#[derive(Debug, Clone)]
-pub enum EmitDispatchError {
-    Core(EmitError),
-    Python(EmitPythonError),
-}
-
-impl From<EmitError> for EmitDispatchError {
-    fn from(value: EmitError) -> Self {
-        Self::Core(value)
-    }
-}
-
-impl From<EmitPythonError> for EmitDispatchError {
-    fn from(value: EmitPythonError) -> Self {
-        Self::Python(value)
-    }
-}
-
-pub fn emit(dag: &Dag, target: EmitTarget) -> Result<EmittedSource, EmitDispatchError> {
-    emit_with_mode(dag, target, EmitMode::Program)
-}
-
-pub fn emit_module(dag: &Dag, target: EmitTarget) -> Result<EmittedSource, EmitDispatchError> {
-    emit_with_mode(dag, target, EmitMode::Module)
-}
-
-pub fn emit_go_text(dag: &Dag) -> Result<String, rust_target::EmitError> {
-    match emit(dag, EmitTarget::Go) {
-        Ok(source) => Ok(source.text),
-        Err(EmitDispatchError::Core(error)) => Err(error),
-        Err(EmitDispatchError::Python(_)) => {
-            unreachable!("EmitTarget::Go cannot yield a Python emission error")
-        }
-    }
-}
-
-pub fn emit_go_module_text(dag: &Dag) -> Result<String, rust_target::EmitError> {
-    match emit_module(dag, EmitTarget::Go) {
-        Ok(source) => Ok(source.text),
-        Err(EmitDispatchError::Core(error)) => Err(error),
-        Err(EmitDispatchError::Python(_)) => {
-            unreachable!("EmitTarget::Go cannot yield a Python emission error")
-        }
-    }
-}
-
-pub fn emit_rust_text(dag: &Dag) -> Result<String, rust_target::EmitError> {
-    match emit(dag, EmitTarget::Rust) {
-        Ok(source) => Ok(source.text),
-        Err(EmitDispatchError::Core(error)) => Err(error),
-        Err(EmitDispatchError::Python(_)) => {
-            unreachable!("EmitTarget::Rust cannot yield a Python emission error")
-        }
-    }
-}
-
-pub fn emit_rust_module_text(dag: &Dag) -> Result<String, rust_target::EmitError> {
-    match emit_module(dag, EmitTarget::Rust) {
-        Ok(source) => Ok(source.text),
-        Err(EmitDispatchError::Core(error)) => Err(error),
-        Err(EmitDispatchError::Python(_)) => {
-            unreachable!("EmitTarget::Rust cannot yield a Python emission error")
-        }
-    }
-}
-
-pub fn emit_python_text(dag: &Dag) -> Result<String, python_target::EmitPythonError> {
-    match emit(dag, EmitTarget::Python) {
-        Ok(source) => Ok(source.text),
-        Err(EmitDispatchError::Python(error)) => Err(error),
-        Err(EmitDispatchError::Core(_)) => {
-            unreachable!("EmitTarget::Python cannot yield a core emission error")
-        }
-    }
-}
-
-pub fn emit_python_module_text(dag: &Dag) -> Result<String, python_target::EmitPythonError> {
-    match emit_module(dag, EmitTarget::Python) {
-        Ok(source) => Ok(source.text),
-        Err(EmitDispatchError::Python(error)) => Err(error),
-        Err(EmitDispatchError::Core(_)) => {
-            unreachable!("EmitTarget::Python cannot yield a core emission error")
-        }
-    }
-}
-
-fn emit_with_mode(
-    dag: &Dag,
-    target: EmitTarget,
-    mode: EmitMode,
-) -> Result<EmittedSource, EmitDispatchError> {
-    let text = match target {
-        EmitTarget::Go => emit_go_with_mode(dag, mode).map_err(EmitDispatchError::Core)?,
-        EmitTarget::Rust => {
-            rust_target::emit_rust_with_mode(dag, mode).map_err(EmitDispatchError::Core)?
-        }
-        EmitTarget::Python => {
-            python_target::emit_python_with_mode(dag, mode).map_err(EmitDispatchError::Python)?
-        }
-    };
-    Ok(EmittedSource { text, target, mode })
-}
-
-pub(crate) fn parse_pattern_strategy(
-    dag: &Dag,
-    value: &FieldValue,
-) -> Result<PatternStrategyBinding, &'static str> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err("PatternRealization.strategy must be a PatternStrategy variant");
-    };
-    if !payload.is_empty() {
-        return Err("PatternStrategy variants must not carry payload fields");
-    }
-    let vector_list = dag
-        .emit_model_variants()
-        .pattern_strategy
-        .vector_list
-        .ok_or("PatternStrategy.VectorList declaration was not found")?;
-    if *constructor != vector_list {
-        return Err("PatternStrategy constructor must be VectorList");
-    }
-    Ok(PatternStrategyBinding::VectorList)
-}
-
-pub(crate) fn optional_match_variant_roles(
-    dag: &Dag,
-    disj_id: DeclarationId,
-) -> Result<(DeclarationId, DeclarationId), &'static str> {
-    let TypeConnective::Disj { variants } = &dag.declaration(disj_id).connective else {
-        return Err("optional branch must walk to a Disj");
-    };
-    let mut empty_variant = None;
-    let mut payload_variant = None;
-    for variant in variants {
-        let shape = match variant_payload_shape(dag, &variant.ty) {
-            VariantPayloadShapeLookup::DeclarationMissing => {
-                return Err("optional branch variant references an absent declaration");
-            }
-            VariantPayloadShapeLookup::NotPayloadProduct => {
-                return Err("optional branch variants must lower to payload products");
-            }
-            VariantPayloadShapeLookup::Found { _0: shape } => shape,
-        };
-        match shape {
-            VariantPayloadShape::Empty => {
-                if empty_variant.replace(variant.ty).is_some() {
-                    return Err("optional branch requires exactly one empty variant role");
-                }
-            }
-            VariantPayloadShape::PositionalSingle | VariantPayloadShape::NamedFields { .. } => {
-                if payload_variant.replace(variant.ty).is_some() {
-                    return Err(
-                        "optional branch requires exactly one payload-bearing variant role",
-                    );
-                }
-            }
-        }
-    }
-    let empty_variant = empty_variant.ok_or("optional branch requires an empty variant role")?;
-    let payload_variant =
-        payload_variant.ok_or("optional branch requires a payload-bearing variant role")?;
-    Ok((empty_variant, payload_variant))
-}
-
-fn emit_go_with_mode(dag: &Dag, mode: EmitMode) -> Result<String, EmitError> {
-    let indexes = RealizationIndexes::build(dag)?;
-    if indexes.execution_model.memory == MemoryModelBinding::OwnershipBased {
-        return Err(EmitError::UnsupportedBehavior(
-            "emit_go requires a non-ownership execution model".to_string(),
-        ));
-    }
-    let main_marker = dag
-        .main_marker()
-        .ok_or(EmitError::MissingSubstrateMarker(SubstrateMarkerRole::Main))?;
-    let type_decls: Vec<_> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| !indexes.source_filtering.excludes(&decl.span.file))
-        .filter(|decl| decl.name.is_some())
-        .filter(|decl| !substrate_result_type_decl_suppressed_for_emit(dag, decl))
-        .filter(|decl| !substrate_div_error_type_decl_suppressed_for_emit(dag, decl))
-        .filter(|decl| {
-            matches!(
-                decl.connective,
-                TypeConnective::Conj { .. } | TypeConnective::Disj { .. }
-            )
-        })
-        .collect();
-    let function_decls: Vec<_> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| !indexes.source_filtering.excludes(&decl.span.file))
-        .filter(|decl| decl.name.is_some())
-        .filter(|decl| {
-            !decl
-                .name
-                .as_deref()
-                .is_some_and(|name| name.starts_with("__anon_lambda_"))
-        })
-        .filter(|decl| {
-            matches!(
-                decl.connective,
-                TypeConnective::Arrow {
-                    body: ArrowBody::UserDefined(_),
-                    ..
-                }
-            )
-        })
-        .collect();
-    let top_level_binds = go_program_mode_top_level_value_binds(dag, &indexes);
-
-    if mode == EmitMode::Program && top_level_binds.is_empty() {
-        return Err(EmitError::UnsupportedBehavior(
-            "emit_go requires at least one top-level value Bind".to_string(),
-        ));
-    }
-    if mode == EmitMode::Module && !top_level_binds.is_empty() {
-        return Err(EmitError::UnsupportedBehavior(
-            "emit_go module mode does not support top-level value Binds".to_string(),
-        ));
-    }
-
-    let mut bound_names = HashMap::new();
-    for bind in &top_level_binds {
-        bound_names.insert(bind.value, bind.name.clone());
-    }
-    let ctx = Ctx {
-        dag,
-        indexes: &indexes,
-        bound_names: &bound_names,
-        mode,
-    };
-
-    let mut sections = vec![if mode == EmitMode::Program {
-        "package main".to_string()
-    } else {
-        "package emitted".to_string()
-    }];
-    if mode == EmitMode::Program {
-        sections.push("import \"fmt\"".to_string());
-    }
-    let needs_int_div_prelude =
-        dag_needs_div_error_prelude(dag, &type_decls, &top_level_binds, &function_decls);
-    let needs_result_prelude = needs_int_div_prelude
-        || dag_needs_go_result_prelude(dag, &type_decls, &top_level_binds, &function_decls);
-    if let (true, Some(name)) = (
-        needs_int_div_prelude,
-        div_prelude_reserved_name_collision(
-            dag,
-            type_decls.iter(),
-            function_decls.iter(),
-            top_level_binds.iter(),
-            "v3intdiv",
-        ),
-    ) {
-        return Err(EmitError::UnsupportedBehavior(format!(
-            "Go checked-division prelude would collide with user-defined `{name}`"
-        )));
-    }
-    if needs_result_prelude {
-        // `DivError` / `Result` are under `dsl/std/`, which `go_source_filtering` omits. Emit
-        // minimal v3 hooks so `v3Result[T, E]` compiles.
-        //
-        // Dissolution trigger (M1 scaffold): delete this prelude when `dsl/std/error_primitives`
-        // (and friends) emit through the same type-decl path as user code — i.e. std is no
-        // longer source-filtered for these carriers.
-        sections.push(
-            "type v3Result[T any, E any] interface{ isV3Result() }\ntype v3Ok[T any, E any] struct{ Value T }\ntype v3Err[T any, E any] struct{ Value E }\nfunc (v3Ok[T, E]) isV3Result() {}\nfunc (v3Err[T, E]) isV3Result() {}\n".to_string(),
-        );
-    }
-    if needs_int_div_prelude {
-        sections.push(
-            "type DivError int\nconst (\n  DivideByZero DivError = iota\n  Overflow\n)\n\nfunc v3intdiv(l, r int64) v3Result[int64, DivError] {\n  if r == 0 { return v3Err[int64, DivError]{Value: DivideByZero} }\n  if l == -9223372036854775808 && r == -1 { return v3Err[int64, DivError]{Value: Overflow} }\n  q := l / r; return v3Ok[int64, DivError]{Value: q} }\n".to_string(),
-        );
-    }
-
-    let rendered_types = type_decls
-        .iter()
-        .map(|decl| ctx.render_type_declaration(decl))
-        .collect::<Result<Vec<_>, _>>()?;
-    if !rendered_types.is_empty() {
-        sections.push(rendered_types.join("\n\n"));
-    }
-
-    let rendered_functions = function_decls
-        .iter()
-        .map(|decl| ctx.render_function_declaration(decl))
-        .collect::<Result<Vec<_>, _>>()?;
-    if !rendered_functions.is_empty() {
-        sections.push(rendered_functions.join("\n\n"));
-    }
-
-    if mode == EmitMode::Program {
-        let body = top_level_binds
-            .iter()
-            .map(|bind| {
-                let ty = ctx.go_type_name_for_port(bind.value)?;
-                let value = ctx.render_top_level_value(bind.value)?;
-                Ok(render_named_template(
-                    &ctx.indexes.syntax.statements.let_binding,
-                    &[("name", &bind.name), ("type", &ty), ("value", &value)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?
-            .join(";\n");
-        let final_bind_name = &top_level_binds.last().expect("guarded").name;
-        let main_template =
-            indexes
-                .behaviors
-                .get(&main_marker)
-                .ok_or(EmitError::MissingBehaviorRealization {
-                    marker: main_marker,
-                })?;
-        sections.push(render_named_template(
-            main_template,
-            &[("body", &body), ("final", final_bind_name)],
-        ));
-    }
-
-    Ok(sections.join("\n\n"))
-}
-
-/// Top-level value `Bind` nodes that participate in Go program-mode emission, in `Dag::nodes`
-/// order. L5 uses this selector so `ForAllTargets` validates the declared observation against the
-/// same bind that emitted Go `main` prints.
-fn go_program_mode_top_level_value_binds<'a>(
-    dag: &'a Dag,
-    indexes: &RealizationIndexes,
-) -> Vec<&'a BindNode> {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .filter(|bind| !indexes.source_filtering.excludes(&bind.span.file))
-        .filter(|bind| bind.params.is_empty())
-        .collect()
-}
-
-pub(crate) fn last_emit_go_program_top_level_value_bind_name(
-    dag: &Dag,
-) -> Result<Option<String>, EmitError> {
-    let indexes = RealizationIndexes::build(dag)?;
-    if indexes.execution_model.memory == MemoryModelBinding::OwnershipBased {
-        return Err(EmitError::UnsupportedBehavior(
-            "emit_go requires a non-ownership execution model".to_string(),
-        ));
-    }
-    Ok(go_program_mode_top_level_value_binds(dag, &indexes)
-        .last()
-        .map(|b| b.name.clone()))
-}
-
-pub(crate) fn dag_uses_arithmetic_div(
-    dag: &Dag,
-    top_level_binds: &[&BindNode],
-    function_decls: &[&Declaration],
-) -> bool {
-    top_level_binds
-        .iter()
-        .any(|bind| port_depends_on_arithmetic_div(dag, bind.value))
-        || function_decls.iter().any(|decl| match &decl.connective {
-            TypeConnective::Arrow {
-                body: ArrowBody::UserDefined(body),
-                ..
-            } => port_depends_on_arithmetic_div(dag, (*body).bind(dag).value),
-            _ => false,
-        })
-}
-
-fn port_depends_on_arithmetic_div(dag: &Dag, root: PortId) -> bool {
-    let mut visited = HashSet::new();
-    let mut queue = vec![root];
-    while let Some(port) = queue.pop() {
-        if !visited.insert(port) {
-            continue;
-        }
-        let Some(producer) = dag.port(port).produced_by else {
-            continue;
-        };
-        match dag.node(producer) {
-            Behavior::Value(_) => {}
-            Behavior::Transform(t) => {
-                if matches!(
-                    t.target,
-                    TransformTarget::Operator(OperatorKind::Arithmetic(
-                        crate::operators::ArithmeticOp::Div
-                    ))
-                ) {
-                    return true;
-                }
-                queue.extend(t.inputs.iter().copied());
-            }
-            Behavior::Branch(b) => {
-                queue.push(b.input);
-                queue.extend(b.paths.iter().map(|path| path.output));
-            }
-            Behavior::Loop(l) => {
-                queue.push(l.source);
-                queue.push(l.init);
-                queue.push(behavior_result_port(dag.node(l.body)));
-            }
-            Behavior::Bind(b) => {
-                queue.push(b.value);
-            }
-        }
-    }
-    false
-}
-
-struct Ctx<'a> {
-    dag: &'a Dag,
-    indexes: &'a RealizationIndexes,
-    bound_names: &'a HashMap<PortId, String>,
-    mode: EmitMode,
-}
-
-#[derive(Debug, Clone, Default)]
-struct RenderLocals {
-    names: HashMap<PortId, String>,
-    payload_bindings: HashMap<PortId, VariantPayloadBinding<String>>,
-}
-
-impl<'a> Ctx<'a> {
-    fn render_port(&self, port: PortId, locals: &RenderLocals) -> Result<String, EmitError> {
-        if let Some(name) = locals.names.get(&port) {
-            return Ok(name.clone());
-        }
-        if let Some(name) = locals
-            .payload_bindings
-            .get(&port)
-            .and_then(VariantPayloadBinding::direct)
-        {
-            return Ok(name.clone());
-        }
-        if let Some(name) = self.bound_names.get(&port) {
-            return Ok(name.clone());
-        }
-        self.dispatch_producer(port, locals)
-    }
-
-    fn render_top_level_value(&self, port: PortId) -> Result<String, EmitError> {
-        self.dispatch_producer(port, &RenderLocals::default())
-    }
-
-    fn dispatch_producer(&self, port: PortId, locals: &RenderLocals) -> Result<String, EmitError> {
-        let Some(node_id) = self.dag.port(port).produced_by else {
-            return Err(EmitError::UnsupportedBehavior(
-                "render reached a port with no producer".to_string(),
-            ));
-        };
-        match self.dag.node(node_id) {
-            Behavior::Value(v) => Ok(render_value(v, &self.indexes.syntax.literals)),
-            Behavior::Transform(t) => self.render_transform(t, locals),
-            Behavior::Branch(b) => self.render_branch(b, locals),
-            Behavior::Loop(l) => {
-                // Behavior::Loop has exactly two construction sites in lower.rs,
-                // both for recursive user functions:
-                //   1. Cardinality bound (lower.rs ~3631): single recursive fn
-                //      with descent-provable termination; bound.count = first
-                //      param port.
-                //   2. Descent bound (lower.rs ~382): mutual-recursion cluster.
-                //
-                // In both cases `l.body` is the root node of the function's
-                // body DAG, which already contains recursive self-calls. Go
-                // supports recursion natively, so rendering the body node's
-                // result port is semantically correct: the emitted expression
-                // preserves the recursive structure and terminates for the same
-                // structural reasons the compiler proved at lower time.
-                //
-                // Collection folds (fold/map/filter) route through callable
-                // realizations and never reach Behavior::Loop. If a future IR
-                // change adds Loop for non-recursive collection iteration, this
-                // site must emit explicit iteration instead.
-                let body_port = behavior_result_port(self.dag.node(l.body));
-                self.render_port(body_port, locals)
-            }
-            Behavior::Bind(bind) => Ok(bind.name.clone()),
-        }
-    }
-
-    fn render_transform(
-        &self,
-        t: &TransformNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        match &t.target {
-            TransformTarget::Operator(op) => self.render_operator(t, *op, locals),
-            TransformTarget::UnresolvedFieldProject { field_label } => {
-                Err(EmitError::UnsupportedBehavior(format!(
-                    "field projection .{field_label} is unresolved; emit expects post-infer FieldProject targets"
-                )))
-            }
-            TransformTarget::ResolvedFieldProject { field_label } => {
-                self.render_field_project(t, field_label, locals)
-            }
-            TransformTarget::Callable(target) => {
-                let (template, arguments) = callable_template(*target, self.dag);
-                if let Some(strategy) = self.indexes.callables.get(&template) {
-                    return self.render_realized_callable(
-                        t.output, template, *strategy, &arguments, &t.inputs, locals,
-                    );
-                }
-                self.render_general_callable(template, &t.inputs, locals)
-            }
-        }
-    }
-
-    fn render_field_project(
-        &self,
-        t: &TransformNode,
-        field_label: &str,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        if t.inputs.len() != 1 {
-            return Err(EmitError::UnsupportedBehavior(
-                "field projection expected one input".to_string(),
-            ));
-        }
-        if let Some(binding) = locals
-            .payload_bindings
-            .get(&t.inputs[0])
-            .and_then(|binding| binding.field(field_label))
-        {
-            return Ok(binding.clone());
-        }
-        let parent = self.render_port(t.inputs[0], locals)?;
-        let parent_type = primitive_type_id_for_port(self.dag, t.inputs[0])?;
-        if let Some(type_binding) = self.indexes.types.get(&parent_type) {
-            if let Some(binding) = type_binding.fields.get(field_label) {
-                return Ok(match &binding.access {
-                    GoFieldAccessBinding::DirectField(name) => render_named_template(
-                        &self.indexes.syntax.expressions.field_access,
-                        &[("object", &parent), ("field", name)],
-                    ),
-                    GoFieldAccessBinding::AccessorMethod(name) => format!(
-                        "{}()",
-                        render_named_template(
-                            &self.indexes.syntax.expressions.field_access,
-                            &[("object", &parent), ("field", name)],
-                        )
-                    ),
-                });
-            }
-        }
-        Ok(render_named_template(
-            &self.indexes.syntax.expressions.field_access,
-            &[("object", &parent), ("field", field_label)],
-        ))
-    }
-
-    fn render_operator(
-        &self,
-        t: &TransformNode,
-        op: OperatorKind,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        if t.inputs.len() != 2 {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "operator {:?} arity {} is not supported",
-                op,
-                t.inputs.len()
-            )));
-        }
-        let operand_type = primitive_type_id_for_port(self.dag, t.inputs[0])?;
-        let op_decl = algebra_field_for_operator(self.dag, operand_type, op)?;
-        let carrier =
-            operator_carrier_realization(&self.indexes.operators, self.dag, operand_type, op_decl)
-                .ok_or(EmitError::MissingOperatorRealization {
-                    target: operand_type,
-                    op: op_decl,
-                })?;
-        let lhs = self.render_port(t.inputs[0], locals)?;
-        let rhs = self.render_port(t.inputs[1], locals)?;
-        Ok(render_named_template(
-            carrier,
-            &[("lhs", &lhs), ("rhs", &rhs)],
-        ))
-    }
-
-    fn render_branch(&self, b: &BranchNode, locals: &RenderLocals) -> Result<String, EmitError> {
-        if self.branch_scrutinee_is_bool(b)? {
-            return self.render_bool_branch(b, locals);
-        }
-        if let Some(rendered) = self.render_realized_pattern_branch(b, locals)? {
-            return Ok(rendered);
-        }
-        let scrutinee_type = primitive_type_id_for_port(self.dag, b.input)?;
-        if matches!(
-            self.dag.declaration(scrutinee_type).connective,
-            TypeConnective::Cardinality(ref p) if p.bound() == CardinalityBound::AtMostOne
-        ) {
-            return self.render_optional_branch(b, locals);
-        }
-        self.render_sum_branch(b, locals)
-    }
-
-    fn render_bool_branch(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let (then_path, else_path) = self.split_bool_paths(branch)?;
-        let cond = self.render_port(branch.input, locals)?;
-        let then_expr = self.render_path_body(then_path, locals)?;
-        let else_expr = self.render_path_body(else_path, locals)?;
-        let ret = self.go_type_name_for_port(branch.output)?;
-        Ok(format!(
-            "func() {ret} {{ if {cond} {{ return {then_expr} }}; return {else_expr} }}()"
-        ))
-    }
-
-    fn render_optional_branch(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let scrutinee = self.render_port(branch.input, locals)?;
-        let scrutinee_type = primitive_type_id_for_port(self.dag, branch.input)?;
-        let disj_id = walk_to_disj(self.dag, scrutinee_type).ok_or_else(|| {
-            EmitError::UnsupportedBehavior("optional branch must walk to a Disj".to_string())
-        })?;
-        let (none_variant, some_variant) = optional_match_variant_roles(self.dag, disj_id)
-            .map_err(|detail| EmitError::UnsupportedBehavior(detail.to_string()))?;
-        let none_path = find_resolved_branch_path(branch, none_variant).ok_or_else(|| {
-            EmitError::UnsupportedBehavior(
-                "optional branch missing the empty-variant arm".to_string(),
-            )
-        })?;
-        let some_path = find_resolved_branch_path(branch, some_variant).ok_or_else(|| {
-            EmitError::UnsupportedBehavior(
-                "optional branch missing the payload-bearing arm".to_string(),
-            )
-        })?;
-        let ret = self.go_type_name_for_port(branch.output)?;
-        let none_expr = self.render_path_body(none_path, locals)?;
-        let mut some_locals = locals.clone();
-        if let Some(binding) = &some_path.binding {
-            some_locals
-                .names
-                .insert(binding.payload_port, format!("*({scrutinee})"));
-        }
-        let some_expr = self.render_port(some_path.output, &some_locals)?;
-        Ok(format!(
-            "func() {ret} {{ if ({scrutinee}) == nil {{ return {none_expr} }}; return {some_expr} }}()"
-        ))
-    }
-
-    fn render_sum_branch(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let scrutinee = self.render_port(branch.input, locals)?;
-        let ret = self.go_type_name_for_port(branch.output)?;
-        let mut arms = Vec::new();
-        // E-5 / Lane 1 Stage 1c PR 2: track whether any arm actually
-        // consumes the payload binding. If zero arms do, the type-switch
-        // header drops `v :=` — otherwise Go would flag `v` as
-        // `declared and not used`. Structural: driven by port liveness,
-        // not by scanning the rendered arm text.
-        let mut any_arm_uses_v = false;
-        for path in &branch.paths {
-            let variant_id = match &path.pattern {
-                BranchPattern::ResolvedVariant(id) => *id,
-                BranchPattern::UnresolvedVariant { name, .. } => {
-                    return Err(EmitError::UnresolvedBranchPattern {
-                        variant_name: name.clone(),
-                    });
-                }
-            };
-            let Some((_parent_name, variant_name)) = variant_parent_info(self.dag, variant_id)
-            else {
-                return Err(EmitError::VariantParentNotFound { variant_id });
-            };
-            let mut arm_locals = locals.clone();
-            if let Some(binding) = &path.binding {
-                let elide = matches!(
-                    self.indexes.clean_emission.pattern_bindings,
-                    PatternBindingRuleBinding::EmitUnderscoreWhenUnused
-                ) && !self.port_is_consumed_from(path.output, binding.payload_port);
-                if !elide {
-                    if let Some(payload_binding) =
-                        self.variant_payload_binding_for_variant(variant_id, "v")?
-                    {
-                        arm_locals
-                            .payload_bindings
-                            .insert(binding.payload_port, payload_binding);
-                        any_arm_uses_v = true;
-                    }
-                }
-            }
-            let body = self.render_port(path.output, &arm_locals)?;
-            arms.push(format!("case {variant_name}: return {body}"));
-        }
-        let switch_header = if any_arm_uses_v {
-            format!("switch v := any({scrutinee}).(type)")
-        } else {
-            format!("switch any({scrutinee}).(type)")
-        };
-        Ok(format!(
-            "func() {ret} {{ {switch_header} {{ {} default: panic(\"non-exhaustive match\") }} }}()",
-            arms.join(" ")
-        ))
-    }
-
-    /// Thin wrapper; rationale lives on the module-level `port_is_consumed_from`.
-    fn port_is_consumed_from(&self, root: PortId, target: PortId) -> bool {
-        port_is_consumed_from(self.dag, root, target)
-    }
-
-    fn render_realized_pattern_branch(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let scrutinee_type = primitive_type_id_for_port(self.dag, branch.input)?;
-        let Some(disj_id) = walk_to_disj(self.dag, scrutinee_type) else {
-            return Ok(None);
-        };
-        let Some(binding) = self.indexes.patterns.get(&disj_id) else {
-            return Ok(None);
-        };
-        self.render_vector_list_pattern_branch(branch, disj_id, binding, locals)
-            .map(Some)
-    }
-
-    fn render_vector_list_pattern_branch(
-        &self,
-        branch: &BranchNode,
-        _disj_id: DeclarationId,
-        binding: &PatternRealizationBinding,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let empty_path = find_resolved_branch_path(branch, binding.empty_variant).ok_or_else(
-            || {
-                EmitError::UnsupportedBehavior(
-                    "vector-list pattern realization requires a branch arm for the declared empty_variant"
-                        .to_string(),
-                )
-            },
-        )?;
-        let cons_path = find_resolved_branch_path(branch, binding.cons_variant).ok_or_else(
-            || {
-                EmitError::UnsupportedBehavior(
-                    "vector-list pattern realization requires a branch arm for the declared cons_variant"
-                        .to_string(),
-                )
-            },
-        )?;
-        let ret = self.go_type_name_for_port(branch.output)?;
-        let scrutinee = self.render_port(branch.input, locals)?;
-        let empty_body = self.render_path_body(empty_path, locals)?;
-        let list_name = "__list";
-        let realized_scrutinee = render_named_template(&binding.scrutinee, &[("expr", &scrutinee)]);
-        // Empty/cons branches dispatch on the typed PatternRealization
-        // fields (`empty_pattern`, `cons_pattern`) rather than a
-        // hardcoded `len(__list) == 0` check. Go's empty_pattern
-        // template rendered with `expr=__list` becomes the if
-        // condition; cons_pattern (a passthrough on Go) becomes the
-        // list expression head/tail are extracted from.
-        let empty_predicate = render_named_template(&binding.empty_pattern, &[("expr", list_name)]);
-        let cons_expr = render_named_template(&binding.cons_pattern, &[("expr", list_name)]);
-        let head_expr = render_named_template(&binding.head_expr, &[("list", &cons_expr)]);
-        let tail_expr = render_named_template(&binding.tail_expr, &[("list", &cons_expr)]);
-        let mut cons_locals = locals.clone();
-        if let Some(payload) = &cons_path.binding {
-            let mut fields = HashMap::new();
-            fields.insert("head".to_string(), head_expr);
-            fields.insert("tail".to_string(), tail_expr);
-            cons_locals
-                .payload_bindings
-                .insert(payload.payload_port, VariantPayloadBinding::Fields(fields));
-        }
-        let cons_body = self.render_port(cons_path.output, &cons_locals)?;
-        Ok(format!(
-            "func() {ret} {{ {list_name} := {realized_scrutinee}; if {empty_predicate} {{ return {empty_body} }}; return {cons_body} }}()"
-        ))
-    }
-
-    fn render_path_body(&self, path: &Path, locals: &RenderLocals) -> Result<String, EmitError> {
-        self.render_port(path.output, locals)
-    }
-
-    fn render_realized_callable(
-        &self,
-        output_port: PortId,
-        template: DeclarationId,
-        strategy: CallableStrategyBinding,
-        arguments: &[TemplateArgument],
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        match strategy {
-            CallableStrategyBinding::ListEmpty => Ok("nil".to_string()),
-            CallableStrategyBinding::ListSingleton => {
-                let [input] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "singleton expects one input".to_string(),
-                    ));
-                };
-                let value = self.render_port(*input, locals)?;
-                let element = self.list_element_type_name_for_list_port(output_port)?;
-                Ok(format!("[]{element}{{{value}}}"))
-            }
-            CallableStrategyBinding::ListCons => {
-                let [head_port, tail_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "cons expects [head, tail]".to_string(),
-                    ));
-                };
-                let head = self.render_port(*head_port, locals)?;
-                let tail = self.render_port(*tail_port, locals)?;
-                let element = self.list_element_type_name_for_list_port(*tail_port)?;
-                Ok(format!("append([]{element}{{{head}}}, {tail}...)"))
-            }
-            CallableStrategyBinding::ListConcat => {
-                let [left_port, right_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "concat expects [left, right]".to_string(),
-                    ));
-                };
-                let left = self.render_port(*left_port, locals)?;
-                let right = self.render_port(*right_port, locals)?;
-                Ok(format!("append({left}, {right}...)"))
-            }
-            CallableStrategyBinding::ListLength => {
-                let [list_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "length expects [list]".to_string(),
-                    ));
-                };
-                let list = self.render_port(*list_port, locals)?;
-                Ok(format!("int64(len({list}))"))
-            }
-            CallableStrategyBinding::ListIsEmpty => {
-                let [list_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "is_empty expects [list]".to_string(),
-                    ));
-                };
-                let list = self.render_port(*list_port, locals)?;
-                Ok(format!("len({list}) == 0"))
-            }
-            CallableStrategyBinding::ListFold => {
-                let [list_port, init_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "fold expects [list, init]".to_string(),
-                    ));
-                };
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 2)?;
-                let list = self.render_port(*list_port, locals)?;
-                let init = self.render_port(*init_port, locals)?;
-                let ret = self.go_type_name_for_port(output_port)?;
-                let acc_name = "__foldAcc";
-                let item_name = "__foldItem";
-                let body = self.render_callable_body(
-                    fn_decl,
-                    &[
-                        (acc_name.to_string(), acc_name.to_string()),
-                        (item_name.to_string(), item_name.to_string()),
-                    ],
-                    locals,
-                )?;
-                Ok(format!(
-                    "func() {ret} {{ {acc_name} := {init}; for _, {item_name} := range {list} {{ _ = {item_name}; {acc_name} = {body} }}; return {acc_name} }}()"
-                ))
-            }
-            CallableStrategyBinding::ListMap => {
-                let [list_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "map expects [list]".to_string(),
-                    ));
-                };
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 1)?;
-                let list = self.render_port(*list_port, locals)?;
-                let ret = self.go_type_name_for_port(output_port)?;
-                let item_name = "__mapItem";
-                let body = self.render_callable_body(
-                    fn_decl,
-                    &[(item_name.to_string(), item_name.to_string())],
-                    locals,
-                )?;
-                Ok(format!(
-                    "func() {ret} {{ __out := make({ret}, 0, len({list})); for _, {item_name} := range {list} {{ _ = {item_name}; __out = append(__out, {body}) }}; return __out }}()"
-                ))
-            }
-            CallableStrategyBinding::ListFilter => {
-                let [list_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "filter expects [list]".to_string(),
-                    ));
-                };
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 1)?;
-                let list = self.render_port(*list_port, locals)?;
-                let ret = self.go_type_name_for_port(output_port)?;
-                let item_name = "__filterItem";
-                let predicate = self.render_callable_body(
-                    fn_decl,
-                    &[(item_name.to_string(), item_name.to_string())],
-                    locals,
-                )?;
-                Ok(format!(
-                    "func() {ret} {{ __out := make({ret}, 0); for _, {item_name} := range {list} {{ _ = {item_name}; if {predicate} {{ __out = append(__out, {item_name}) }} }}; return __out }}()"
-                ))
-            }
-            CallableStrategyBinding::ListContains => {
-                let [list_port, item_port] = inputs else {
-                    return Err(EmitError::UnsupportedBehavior(
-                        "contains expects [list, item]".to_string(),
-                    ));
-                };
-                let list = self.render_port(*list_port, locals)?;
-                let item = self.render_port(*item_port, locals)?;
-                Ok(format!(
-                    "func() bool {{ for _, __item := range {list} {{ if __item == {item} {{ return true }} }}; return false }}()"
-                ))
-            }
-        }
-    }
-
-    fn render_general_callable(
-        &self,
-        template: DeclarationId,
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        if let Some(rendered) = self.render_variant_constructor(template, inputs, locals)? {
-            return Ok(rendered);
-        }
-        if let Some(rendered) = self.render_record_constructor(template, inputs, locals)? {
-            return Ok(rendered);
-        }
-        let func =
-            self.dag
-                .declaration(template)
-                .name
-                .clone()
-                .ok_or(EmitError::UnsupportedBehavior(
-                    "callable target is anonymous and cannot be rendered as a direct Go call"
-                        .to_string(),
-                ))?;
-        let args = inputs
-            .iter()
-            .map(|port| self.render_port(*port, locals))
-            .collect::<Result<Vec<_>, _>>()?;
-        Ok(render_named_template(
-            &self.indexes.syntax.expressions.function_call,
-            &[("func", &func), ("args", &args.join(", "))],
-        ))
-    }
-
-    fn render_record_constructor(
-        &self,
-        template: DeclarationId,
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let decl = self.dag.declaration(template);
-        let Some(type_name) = &decl.name else {
-            return Ok(None);
-        };
-        let TypeConnective::Conj { children } = &decl.connective else {
-            return Ok(None);
-        };
-        if children.len() != inputs.len() {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "record constructor `{type_name}` expected {} inputs, got {}",
-                children.len(),
-                inputs.len()
-            )));
-        }
-        let fields = children
-            .iter()
-            .zip(inputs.iter())
-            .map(|(field, input)| {
-                let value = self.render_port(*input, locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.values.struct_field_init,
-                    &[("name", &field.label), ("value", &value)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        Ok(Some(render_named_template(
-            &self.indexes.syntax.values.struct_literal,
-            &[
-                ("type", type_name),
-                (
-                    "fields",
-                    &fields.join(&self.indexes.syntax.values.struct_field_separator),
-                ),
-            ],
-        )))
-    }
-
-    fn render_variant_constructor(
-        &self,
-        template: DeclarationId,
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let Some((_parent_name, variant_name)) = variant_parent_info(self.dag, template) else {
-            return Ok(None);
-        };
-        let TypeConnective::Conj { children } = &self.dag.declaration(template).connective else {
-            return Ok(None);
-        };
-        if children.len() != inputs.len() {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "variant constructor `{variant_name}` expected {} payload field(s), got {}",
-                children.len(),
-                inputs.len()
-            )));
-        }
-        if children.is_empty() {
-            return Ok(Some(format!("{variant_name}{{}}")));
-        }
-        let fields = children
-            .iter()
-            .zip(inputs.iter())
-            .map(|(field, input)| {
-                let value = self.render_port(*input, locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.values.struct_field_init,
-                    &[("name", &field.label), ("value", &value)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        Ok(Some(render_named_template(
-            &self.indexes.syntax.values.variant_named_construction,
-            &[
-                ("variant", &variant_name),
-                (
-                    "fields",
-                    &fields.join(&self.indexes.syntax.values.struct_field_separator),
-                ),
-            ],
-        )))
-    }
-
-    fn render_callable_body(
-        &self,
-        callable_decl: DeclarationId,
-        param_bindings: &[(String, String)],
-        outer_locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let TypeConnective::Arrow { inputs, body, .. } =
-            &self.dag.declaration(callable_decl).connective
-        else {
-            return Err(EmitError::UnsupportedBehavior(
-                "callable template binding did not resolve to an Arrow declaration".to_string(),
-            ));
-        };
-        let ArrowBody::UserDefined(bind_id) = body else {
-            return Err(EmitError::UnsupportedBehavior(
-                "external or unparsed callable bodies are not yet supported".to_string(),
-            ));
-        };
-        let bind = (*bind_id).bind(self.dag);
-        if inputs.len() != param_bindings.len() {
-            return Err(EmitError::UnsupportedBehavior(
-                "callable parameter count does not match requested bindings".to_string(),
-            ));
-        }
-        let capture_count = bind.params.len() - inputs.len();
-        let mut locals = RenderLocals::default();
-        for capture in bind.params.iter().copied().take(capture_count) {
-            locals
-                .names
-                .insert(capture, self.render_port(capture, outer_locals)?);
-        }
-        for (port, (_, binding)) in bind
-            .params
-            .iter()
-            .copied()
-            .skip(capture_count)
-            .zip(param_bindings.iter())
-        {
-            locals.names.insert(port, binding.clone());
-        }
-        self.render_port(bind.value, &locals)
-    }
-
-    fn render_function_declaration(
-        &self,
-        declaration: &crate::dag::Declaration,
-    ) -> Result<String, EmitError> {
-        let Some(name) = &declaration.name else {
-            return Err(EmitError::UnsupportedBehavior(
-                "anonymous Arrow declarations cannot be emitted".to_string(),
-            ));
-        };
-        let TypeConnective::Arrow { inputs, body, .. } = &declaration.connective else {
-            return Err(EmitError::UnsupportedBehavior(
-                "render_function_declaration expected an Arrow".to_string(),
-            ));
-        };
-        let ArrowBody::UserDefined(bind_id) = body else {
-            return Err(EmitError::UnsupportedBehavior(
-                "external Arrow bodies are not yet supported in function emission".to_string(),
-            ));
-        };
-        let bind = (*bind_id).bind(self.dag);
-        let mut locals = RenderLocals::default();
-        let params = bind
-            .params
-            .iter()
-            .enumerate()
-            .map(|(idx, port)| {
-                let param_name = format!("p{idx}");
-                locals.names.insert(*port, param_name.clone());
-                let ty = self.go_type_name_for_port(*port)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.functions.param_with_type,
-                    &[("name", &param_name), ("type", &ty)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        if bind.params.len() != inputs.len() {
-            return Err(EmitError::UnsupportedBehavior(
-                "function bind parameter count does not match Arrow inputs".to_string(),
-            ));
-        }
-        let ret = self.go_type_name_for_port(bind.value)?;
-        let body = self.render_port(bind.value, &locals)?;
-        let rendered = render_named_template(
-            &self.indexes.syntax.functions.definition,
-            &[
-                ("name", name),
-                (
-                    "params",
-                    &params.join(&self.indexes.syntax.functions.param_separator),
-                ),
-                ("ret", &ret),
-                ("body", &body),
-            ],
-        );
-        let _ = self.mode;
-        Ok(rendered)
-    }
-
-    fn render_type_declaration(
-        &self,
-        declaration: &crate::dag::Declaration,
-    ) -> Result<String, EmitError> {
-        let Some(name) = &declaration.name else {
-            return Err(EmitError::UnsupportedBehavior(
-                "anonymous type declarations cannot be emitted".to_string(),
-            ));
-        };
-        match &declaration.connective {
-            TypeConnective::Conj { children } => {
-                let fields = children
-                    .iter()
-                    .map(|field| self.render_struct_field(field))
-                    .collect::<Result<Vec<_>, _>>()?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.type_definitions.struct_def,
-                    &[("name", name), ("fields", &fields.join("; "))],
-                ))
-            }
-            TypeConnective::Disj { variants } => {
-                let mut parts = vec![format!("type {name} interface {{ is{name}() }}")];
-                for variant in variants {
-                    let variant_decl = self.dag.declaration(variant.ty);
-                    let TypeConnective::Conj { children } = &variant_decl.connective else {
-                        return Err(EmitError::UnsupportedBehavior(format!(
-                            "enum variant `{}` does not lower to a product declaration",
-                            variant.label
-                        )));
-                    };
-                    if children.is_empty() {
-                        parts.push(format!("type {} struct{{}}", variant.label));
-                    } else {
-                        let fields = children
-                            .iter()
-                            .map(|field| self.render_struct_field(field))
-                            .collect::<Result<Vec<_>, _>>()?;
-                        parts.push(format!(
-                            "type {} struct {{ {} }}",
-                            variant.label,
-                            fields.join("; ")
-                        ));
-                    }
-                    parts.push(format!("func ({}) is{name}() {{}}", variant.label));
-                }
-                Ok(parts.join("\n"))
-            }
-            _ => Err(EmitError::UnsupportedBehavior(format!(
-                "type declaration `{name}` does not lower to a record or sum shape"
-            ))),
-        }
-    }
-
-    fn render_struct_field(&self, field: &Field) -> Result<String, EmitError> {
-        let ty = self.go_type_name_for_decl(field.ty)?;
-        Ok(render_named_template(
-            &self.indexes.syntax.type_definitions.struct_field,
-            &[("name", &field.label), ("type", &ty)],
-        ))
-    }
-
-    fn branch_scrutinee_is_bool(&self, branch: &BranchNode) -> Result<bool, EmitError> {
-        let scrutinee_type = primitive_type_id_for_port(self.dag, branch.input)?;
-        let Some(bool_shape) = self.dag.bool_shape() else {
-            return Err(EmitError::MissingTypeRealization {
-                target: scrutinee_type,
-            });
-        };
-        let Some(scrutinee_disj) = walk_to_disj(self.dag, scrutinee_type) else {
-            return Ok(false);
-        };
-        let Some(bool_disj) = walk_to_disj(self.dag, bool_shape.declaration) else {
-            return Ok(false);
-        };
-        Ok(scrutinee_disj == bool_disj)
-    }
-
-    fn split_bool_paths<'p>(
-        &self,
-        branch: &'p BranchNode,
-    ) -> Result<(&'p Path, &'p Path), EmitError> {
-        let scrutinee_type = primitive_type_id_for_port(self.dag, branch.input)?;
-        let disj_id = walk_to_disj(self.dag, scrutinee_type).ok_or_else(|| {
-            EmitError::UnsupportedBehavior(
-                "branch scrutinee type does not walk to a Disj".to_string(),
-            )
-        })?;
-        let variants = match &self.dag.declaration(disj_id).connective {
-            TypeConnective::Disj { variants } => variants,
-            _ => unreachable!("walk_to_disj returned non-Disj"),
-        };
-        if variants.len() != 2 {
-            return Err(EmitError::NonBooleanBranch {
-                variant_ids: variants.iter().map(|variant| variant.ty).collect(),
-            });
-        }
-        let true_variant = variants[0].ty;
-        let false_variant = variants[1].ty;
-        let mut then_path = None;
-        let mut else_path = None;
-        for path in &branch.paths {
-            let resolved = match &path.pattern {
-                BranchPattern::ResolvedVariant(id) => *id,
-                BranchPattern::UnresolvedVariant { name, .. } => {
-                    return Err(EmitError::UnresolvedBranchPattern {
-                        variant_name: name.clone(),
-                    });
-                }
-            };
-            if resolved == true_variant {
-                then_path = Some(path);
-            } else if resolved == false_variant {
-                else_path = Some(path);
-            }
-        }
-        match (then_path, else_path) {
-            (Some(t), Some(e)) => Ok((t, e)),
-            _ => Err(EmitError::UnsupportedBehavior(
-                "if/else branch must have both True and False arms".to_string(),
-            )),
-        }
-    }
-
-    fn go_type_name_for_port(&self, port: PortId) -> Result<String, EmitError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?;
-        self.go_type_name_for_decl(ty.declaration)
-    }
-
-    fn go_type_name_for_decl(&self, declaration: DeclarationId) -> Result<String, EmitError> {
-        self.go_type_name_for_decl_at_depth(declaration, 0)
-    }
-
-    fn go_type_name_for_decl_at_depth(
-        &self,
-        declaration: DeclarationId,
-        depth: usize,
-    ) -> Result<String, EmitError> {
-        if depth >= 32 {
-            return Err(EmitError::UnsupportedBehavior(
-                "type-name rendering exceeded depth 32".to_string(),
-            ));
-        }
-        if let Some(binding) = self.indexes.types.get(&declaration) {
-            return Ok(binding.carrier.clone());
-        }
-        let decl = self.dag.declaration(declaration);
-        if let Some(name) = &decl.name {
-            return Ok(name.clone());
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                let Some(binding) = self.indexes.instantiations.get(template) else {
-                    return Err(EmitError::MissingTypeRealization { target: *template });
-                };
-                match arguments.as_slice() {
-                    [element] => {
-                        let element_name =
-                            self.go_type_name_for_decl_at_depth(element.value, depth + 1)?;
-                        Ok(render_named_template(
-                            &binding.carrier,
-                            &[("element", &element_name)],
-                        ))
-                    }
-                    [key, value] => {
-                        let key_name = self.go_type_name_for_decl_at_depth(key.value, depth + 1)?;
-                        let value_name =
-                            self.go_type_name_for_decl_at_depth(value.value, depth + 1)?;
-                        Ok(render_named_template(
-                            &binding.carrier,
-                            &[("key", &key_name), ("value", &value_name)],
-                        ))
-                    }
-                    [key, value, extra] => {
-                        let key_name = self.go_type_name_for_decl_at_depth(key.value, depth + 1)?;
-                        let value_name =
-                            self.go_type_name_for_decl_at_depth(value.value, depth + 1)?;
-                        let extra_name =
-                            self.go_type_name_for_decl_at_depth(extra.value, depth + 1)?;
-                        Ok(render_named_template(
-                            &binding.carrier,
-                            &[
-                                ("key", &key_name),
-                                ("value", &value_name),
-                                ("extra", &extra_name),
-                            ],
-                        ))
-                    }
-                    _ => Err(EmitError::UnsupportedBehavior(
-                        "instantiated type carrier only supports arities 1, 2, and 3".to_string(),
-                    )),
-                }
-            }
-            TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-                let inner = self.go_type_name_for_decl_at_depth(p.element(), depth + 1)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.type_applications.optional,
-                    &[("element", &inner)],
-                ))
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.go_type_name_for_decl_at_depth(*next, depth + 1)
-            }
-            _ => Err(EmitError::MissingTypeRealization {
-                target: declaration,
-            }),
-        }
-    }
-
-    fn list_element_type_name_for_list_port(&self, port: PortId) -> Result<String, EmitError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?;
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &self.dag.declaration(ty.declaration).connective
-        else {
-            return Err(EmitError::UnsupportedBehavior(
-                "list type rendering expected instantiated List".to_string(),
-            ));
-        };
-        if !self
-            .dag
-            .list_template()
-            .is_some_and(|list| list == *template)
-        {
-            return Err(EmitError::UnsupportedBehavior(
-                "list type rendering expected List template".to_string(),
-            ));
-        }
-        let [element] = arguments.as_slice() else {
-            return Err(EmitError::UnsupportedBehavior(
-                "List instantiation must carry one type argument".to_string(),
-            ));
-        };
-        self.go_type_name_for_decl(element.value)
-    }
-
-    fn variant_payload_binding_for_variant(
-        &self,
-        variant_id: DeclarationId,
-        binding_expr: &str,
-    ) -> Result<Option<VariantPayloadBinding<String>>, EmitError> {
-        let shape = match variant_payload_shape(self.dag, &variant_id) {
-            VariantPayloadShapeLookup::DeclarationMissing => {
-                return Err(EmitError::UnsupportedBehavior(
-                    "variant payload references an absent declaration".to_string(),
-                ));
-            }
-            VariantPayloadShapeLookup::NotPayloadProduct => {
-                return Err(EmitError::UnsupportedBehavior(
-                    "variant payload expected a product declaration".to_string(),
-                ));
-            }
-            VariantPayloadShapeLookup::Found { _0: shape } => shape,
-        };
-        Ok(match shape {
-            VariantPayloadShape::Empty => None,
-            VariantPayloadShape::PositionalSingle => {
-                Some(VariantPayloadBinding::Direct(format!("{binding_expr}._0")))
-            }
-            VariantPayloadShape::NamedFields { _0: field_labels } => {
-                match self.indexes.clean_emission.variant_payload_field_access {
-                    VariantPayloadFieldAccessRuleBinding::AccessFromPayloadBinding => {
-                        Some(VariantPayloadBinding::Direct(binding_expr.to_string()))
-                    }
-                    VariantPayloadFieldAccessRuleBinding::OverrideNamedFieldsAtBindingSite => {
-                        let fields = field_labels
-                            .into_iter()
-                            .map(|field_label| {
-                                (field_label.clone(), format!("{binding_expr}.{field_label}"))
-                            })
-                            .collect();
-                        Some(VariantPayloadBinding::Fields(fields))
-                    }
-                }
-            }
-        })
-    }
-}
-
-fn structural_fields_for_decl(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<&[(String, FieldValue)], EmitError> {
-    let Some(ValueBody::Structural { fields }) = &dag.declaration(declaration).value_body else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "syntax declaration must carry a structural value body",
-        });
-    };
-    Ok(fields)
-}
-
-fn syntax_field_string(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<String, EmitError> {
-    require_field_string(fields, label, declaration).map(|s| s.replace("%Q", "\""))
-}
-
-fn parse_statement_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<StatementSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(StatementSyntaxBinding {
-        let_binding: syntax_field_string(fields, "let_binding", declaration)?,
-    })
-}
-
-fn parse_expression_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<ExpressionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(ExpressionSyntaxBinding {
-        field_access: syntax_field_string(fields, "field_access", declaration)?,
-        function_call: syntax_field_string(fields, "function_call", declaration)?,
-    })
-}
-
-fn parse_function_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<FunctionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(FunctionSyntaxBinding {
-        definition: syntax_field_string(fields, "definition", declaration)?,
-        param_with_type: syntax_field_string(fields, "param_with_type", declaration)?,
-        param_separator: syntax_field_string(fields, "param_separator", declaration)?,
-    })
-}
-
-fn parse_type_application_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<TypeApplicationSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(TypeApplicationSyntaxBinding {
-        optional: syntax_field_string(fields, "optional", declaration)?,
-    })
-}
-
-fn parse_type_definition_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<TypeDefinitionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(TypeDefinitionSyntaxBinding {
-        struct_def: syntax_field_string(fields, "struct_def", declaration)?,
-        struct_field: syntax_field_string(fields, "struct_field", declaration)?,
-    })
-}
-
-fn parse_value_construction_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<ValueConstructionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(ValueConstructionSyntaxBinding {
-        struct_literal: syntax_field_string(fields, "struct_literal", declaration)?,
-        struct_field_init: syntax_field_string(fields, "struct_field_init", declaration)?,
-        struct_field_separator: syntax_field_string(fields, "struct_field_separator", declaration)?,
-        variant_named_construction: syntax_field_string(
-            fields,
-            "variant_named_construction",
-            declaration,
-        )?,
-    })
-}
-
-fn parse_literal_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<LiteralSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(LiteralSyntaxBinding {
-        true_keyword: syntax_field_string(fields, "true_keyword", declaration)?,
-        false_keyword: syntax_field_string(fields, "false_keyword", declaration)?,
-        string_delimiter: syntax_field_string(fields, "string_delimiter", declaration)?,
-    })
-}
-
-fn require_field_decl_ref(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<DeclarationId, EmitError> {
-    fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .and_then(|(_, value)| match value {
-            FieldValue::Reference(id) => Some(*id),
-            _ => None,
-        })
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "realization data item is missing a required Reference field or has wrong shape — see lower_record_to_structural inhabitance check",
-        })
-}
-
-fn require_field_string(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<String, EmitError> {
-    fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "realization data item is missing a required String field or has wrong shape — see lower_record_to_structural inhabitance check",
-        })
-}
-
-fn require_field_bindings(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<HashMap<String, FieldBindingBinding>, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "fields")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "TypeRealization is missing required `fields` list",
-        })?;
-    let FieldValue::List(entries) = value else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "TypeRealization.fields must be a structural list",
-        });
-    };
-    let mut bindings = HashMap::new();
-    for entry in entries {
-        let FieldValue::Record(fields) = entry else {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldBinding entries must be structural records",
-            });
-        };
-        let dag_name = fields
-            .iter()
-            .find(|(label, _)| label == "dag_name")
-            .and_then(|(_, value)| match value {
-                FieldValue::Literal(LiteralBits::String(name)) => Some(name.clone()),
-                _ => None,
-            })
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldBinding.dag_name must be a String literal",
-            })?;
-        let access = fields
-            .iter()
-            .find(|(label, _)| label == "access")
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldBinding.access is required",
-            })
-            .and_then(|(_, value)| parse_field_access(dag, value, declaration))?;
-        if bindings
-            .insert(dag_name, FieldBindingBinding { access })
-            .is_some()
-        {
-            return Err(EmitError::DuplicateRealization {
-                declaration,
-                detail: "TypeRealization.fields contains duplicate dag_name entries",
-            });
-        }
-    }
-    Ok(bindings)
-}
-
-fn parse_field_access(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<GoFieldAccessBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "FieldBinding.access must be a FieldAccess variant",
-        });
-    };
-    if payload.len() != 1 {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "FieldAccess variants must carry exactly one String payload",
-        });
-    }
-    let name = match &payload[0] {
-        FieldValue::Literal(LiteralBits::String(name)) => name.clone(),
-        _ => {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldAccess payload must be a String literal",
-            });
-        }
-    };
-    let variants = dag.emit_model_variants();
-    let direct_field =
-        variants
-            .field_access
-            .direct_field
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldAccess.DirectField declaration was not found",
-            })?;
-    let accessor_method =
-        variants
-            .field_access
-            .accessor_method
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldAccess.AccessorMethod declaration was not found",
-            })?;
-    if *constructor == direct_field {
-        Ok(GoFieldAccessBinding::DirectField(name))
-    } else if *constructor == accessor_method {
-        Ok(GoFieldAccessBinding::AccessorMethod(name))
-    } else {
-        Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "FieldAccess constructor must be DirectField or AccessorMethod",
-        })
-    }
-}
-
-fn require_callable_strategy(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<CallableStrategyBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "strategy")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization is missing required `strategy` field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.strategy must be a CallableStrategy variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableStrategy variants must not carry payload fields",
-        });
-    }
-    let variants = dag.callable_strategy_variants();
-    let strategies = [
-        (variants.list_empty, CallableStrategyBinding::ListEmpty),
-        (
-            variants.list_singleton,
-            CallableStrategyBinding::ListSingleton,
-        ),
-        (variants.list_cons, CallableStrategyBinding::ListCons),
-        (variants.list_concat, CallableStrategyBinding::ListConcat),
-        (variants.list_length, CallableStrategyBinding::ListLength),
-        (variants.list_is_empty, CallableStrategyBinding::ListIsEmpty),
-        (variants.list_fold, CallableStrategyBinding::ListFold),
-        (variants.list_map, CallableStrategyBinding::ListMap),
-        (variants.list_filter, CallableStrategyBinding::ListFilter),
-        (
-            variants.list_contains,
-            CallableStrategyBinding::ListContains,
-        ),
-    ];
-    for (variant_id, binding) in strategies {
-        let Some(variant_id) = variant_id else {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableStrategy variant declaration was not found",
-            });
-        };
-        if *constructor == variant_id {
-            return Ok(binding);
-        }
-    }
-    Err(EmitError::MalformedRealization {
-        declaration,
-        detail:
-            "CallableStrategy constructor must be ListEmpty/ListSingleton/ListCons/ListConcat/ListLength/ListIsEmpty/ListFold/ListMap/ListFilter/ListContains",
-    })
-}
-
-/// Parse and validate the `parameters` list on a CallableRealization.
-/// Mirrors emit_rust::require_parameter_dispositions exactly. Go's GC
-/// rendering doesn't act on the result, but the shared schema requires
-/// the field and validation makes arity/order drift unrepresentable.
-fn require_parameter_dispositions(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-    expected_arity: usize,
-) -> Result<Vec<ParameterDispositionBinding>, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "parameters")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization is missing required `parameters` field",
-        })?;
-    let FieldValue::List(entries) = value else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.parameters must be a structural list",
-        });
-    };
-    if entries.len() != expected_arity {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.parameters length does not match the callable's Arrow input arity",
-        });
-    }
-    let mut filled: Vec<Option<ParameterDispositionBinding>> = vec![None; expected_arity];
-    for entry in entries {
-        let (slot, disposition) = parse_callable_parameter(dag, entry, declaration)?;
-        if slot >= expected_arity {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableParameter.slot is out of range for the callable's declared arity",
-            });
-        }
-        if filled[slot].is_some() {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableParameter.slot is duplicated within parameters list",
-            });
-        }
-        filled[slot] = Some(disposition);
-    }
-    filled
-        .into_iter()
-        .map(|opt| {
-            opt.ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableRealization.parameters does not cover every slot in [0, arity)",
-            })
-        })
-        .collect()
-}
-
-fn parse_callable_parameter(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<(usize, ParameterDispositionBinding), EmitError> {
-    let FieldValue::Record(fields) = value else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.parameters entries must be CallableParameter records",
-        });
-    };
-    let slot = fields
-        .iter()
-        .find(|(label, _)| label == "slot")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter is missing required `slot` field",
-        })?;
-    let FieldValue::Literal(LiteralBits::Int(slot_str)) = slot else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.slot must be an Int literal",
-        });
-    };
-    let Some(slot_int) = crate::dag::literal_decimal_i64(slot_str.as_str()) else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.slot must be a decimal Int literal",
-        });
-    };
-    if slot_int < 0 {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.slot must be non-negative",
-        });
-    }
-    let disposition_value = fields
-        .iter()
-        .find(|(label, _)| label == "disposition")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter is missing required `disposition` field",
-        })?;
-    let disposition = parse_parameter_disposition(dag, disposition_value, declaration)?;
-    Ok((slot_int as usize, disposition))
-}
-
-fn parse_parameter_disposition(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<ParameterDispositionBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.disposition must be a ParameterDisposition variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "ParameterDisposition variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let borrowed =
-        variants
-            .parameter_disposition
-            .borrowed
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "ParameterDisposition.Borrowed declaration was not found",
-            })?;
-    let consumed =
-        variants
-            .parameter_disposition
-            .consumed
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "ParameterDisposition.Consumed declaration was not found",
-            })?;
-    if *constructor == borrowed {
-        Ok(ParameterDispositionBinding::Borrowed)
-    } else if *constructor == consumed {
-        Ok(ParameterDispositionBinding::Consumed)
-    } else {
-        Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "ParameterDisposition constructor must be Borrowed or Consumed",
-        })
-    }
-}
-
-/// Structural boundary check for `PatternRealization.empty_variant` /
-/// `cons_variant`. Mirrors the same check in `rust_target` and
-/// `python_target` — the typed `DeclarationRef` alone cannot express
-/// "must be a variant of `target`", so reject-at-boundary on parse.
-fn validate_pattern_roles(
-    dag: &Dag,
-    target: DeclarationId,
-    binding: &PatternRealizationBinding,
-    declaration: DeclarationId,
-) -> Result<(), EmitError> {
-    let disj_id = walk_to_disj(dag, target).ok_or(EmitError::MalformedRealization {
-        declaration,
-        detail:
-            "PatternRealization.target must resolve to a Disj — empty_variant / cons_variant have no target to range over otherwise",
-    })?;
-    let TypeConnective::Disj { variants } = &dag.declaration(disj_id).connective else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "walk_to_disj returned a non-Disj declaration (internal invariant violation)",
-        });
-    };
-    if !variants.iter().any(|v| v.ty == binding.empty_variant) {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "PatternRealization.empty_variant must be a variant of `target` — structural boundary check rejects unrelated DeclarationRefs",
-        });
-    }
-    if !variants.iter().any(|v| v.ty == binding.cons_variant) {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "PatternRealization.cons_variant must be a variant of `target` — structural boundary check rejects unrelated DeclarationRefs",
-        });
-    }
-    if binding.empty_variant == binding.cons_variant {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "PatternRealization.empty_variant and cons_variant must be distinct variants of `target`",
-        });
-    }
-    Ok(())
-}
-
-fn require_pattern_realization(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<PatternRealizationBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "strategy")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "PatternRealization is missing required `strategy` field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "PatternRealization.strategy must be a PatternStrategy variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "PatternStrategy variants must not carry payload fields",
-        });
-    }
-    let vector_list = dag
-        .emit_model_variants()
-        .pattern_strategy
-        .vector_list
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "PatternStrategy.VectorList declaration was not found",
-        })?;
-    if *constructor != vector_list {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "PatternStrategy constructor must be VectorList",
-        });
-    }
-    Ok(PatternRealizationBinding {
-        empty_variant: require_field_decl_ref(fields, "empty_variant", declaration)?,
-        cons_variant: require_field_decl_ref(fields, "cons_variant", declaration)?,
-        scrutinee: require_field_string(fields, "scrutinee", declaration)?,
-        empty_pattern: require_field_string(fields, "empty_pattern", declaration)?,
-        cons_pattern: require_field_string(fields, "cons_pattern", declaration)?,
-        head_expr: require_field_string(fields, "head_expr", declaration)?,
-        tail_expr: require_field_string(fields, "tail_expr", declaration)?,
-    })
-}
-
-fn require_memory_model(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<MemoryModelBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "memory")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "TargetExecutionModel is missing required `memory` field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "TargetExecutionModel.memory must be a MemoryModel variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "MemoryModel variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let memory_variants = [
-        (
-            variants.memory_model.value_only,
-            MemoryModelBinding::ValueOnly,
-        ),
-        (
-            variants.memory_model.garbage_collected,
-            MemoryModelBinding::GarbageCollected,
-        ),
-        (
-            variants.memory_model.ref_counted,
-            MemoryModelBinding::RefCounted,
-        ),
-        (
-            variants.memory_model.ownership_based,
-            MemoryModelBinding::OwnershipBased,
-        ),
-    ];
-    for (variant_id, binding) in memory_variants {
-        let Some(variant_id) = variant_id else {
-            return Err(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "MemoryModel variant declaration was not found",
-            });
-        };
-        if *constructor == variant_id {
-            return Ok(binding);
-        }
-    }
-    Err(EmitError::MalformedTargetSyntax {
-        declaration,
-        detail:
-            "TargetExecutionModel.memory must be ValueOnly/GarbageCollected/RefCounted/OwnershipBased",
-    })
-}
-
-fn require_scope_model(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<ScopeModelBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "scope")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "TargetExecutionModel is missing required `scope` field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "TargetExecutionModel.scope must be a ScopeModel variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ScopeModel variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let scope_variants = [
-        (
-            variants.scope_model.lexical_scoping,
-            ScopeModelBinding::LexicalScoping,
-        ),
-        (
-            variants.scope_model.dynamic_scoping,
-            ScopeModelBinding::DynamicScoping,
-        ),
-    ];
-    for (variant_id, binding) in scope_variants {
-        let Some(variant_id) = variant_id else {
-            return Err(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "ScopeModel variant declaration was not found",
-            });
-        };
-        if *constructor == variant_id {
-            return Ok(binding);
-        }
-    }
-    Err(EmitError::MalformedTargetSyntax {
-        declaration,
-        detail: "TargetExecutionModel.scope must be LexicalScoping or DynamicScoping",
-    })
-}
-
-/// Reads `excluded_prefixes` from a `data …: SourceFiltering` value body.
-fn parse_source_filtering_excluded_prefixes(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<Vec<String>, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "excluded_prefixes")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "SourceFiltering is missing required `excluded_prefixes` field",
-        })?;
-    let FieldValue::List(entries) = value else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "SourceFiltering.excluded_prefixes must be a list",
-        });
-    };
-    let mut excluded_prefixes = Vec::with_capacity(entries.len());
-    for entry in entries {
-        let FieldValue::Literal(LiteralBits::String(prefix)) = entry else {
-            return Err(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "SourceFiltering.excluded_prefixes entries must be string literals",
-            });
-        };
-        excluded_prefixes.push(prefix.clone());
-    }
-    Ok(excluded_prefixes)
-}
-
-impl SourceFilteringBinding {
-    pub(crate) fn build(dag: &Dag, declaration: DeclarationId) -> Result<Self, EmitError> {
-        let fields = structural_fields_for_decl(dag, declaration)?;
-        if fields.iter().any(|(label, _)| label == "internal") {
-            let internal = require_field_decl_ref(fields, "internal", declaration)?;
-            let mut excluded_prefixes = parse_source_filtering_excluded_prefixes(dag, internal)?;
-            let additional = fields
-                .iter()
-                .find(|(label, _)| label == "additional_excluded_prefixes")
-                .map(|(_, value)| value)
-                .ok_or(EmitError::MalformedTargetSyntax {
-                    declaration,
-                    detail: "ShapeATargetSourceFiltering is missing required `additional_excluded_prefixes` field",
-                })?;
-            let FieldValue::List(extra_entries) = additional else {
-                return Err(EmitError::MalformedTargetSyntax {
-                    declaration,
-                    detail:
-                        "ShapeATargetSourceFiltering.additional_excluded_prefixes must be a list",
-                });
-            };
-            for entry in extra_entries {
-                let FieldValue::Literal(LiteralBits::String(prefix)) = entry else {
-                    return Err(EmitError::MalformedTargetSyntax {
-                        declaration,
-                        detail: "ShapeATargetSourceFiltering.additional_excluded_prefixes entries must be string literals",
-                    });
-                };
-                excluded_prefixes.push(prefix.clone());
-            }
-            return Ok(Self { excluded_prefixes });
-        }
-
-        let excluded_prefixes = parse_source_filtering_excluded_prefixes(dag, declaration)?;
-        Ok(Self { excluded_prefixes })
-    }
-
-    pub(crate) fn excludes(&self, file: &str) -> bool {
-        let normalized_file = normalize_source_filter_path(file);
-        self.excluded_prefixes.iter().any(|prefix| {
-            if normalized_file.starts_with(prefix) {
-                return true;
-            }
-            if *prefix == "src/v3/compiler/" {
-                return false;
-            }
-            normalized_file.contains(&format!("/{prefix}"))
-        })
-    }
-}
-
-fn normalize_source_filter_path(file: &str) -> String {
-    let mut parts = Vec::new();
-    for part in file.split('/') {
-        match part {
-            "" | "." => {}
-            ".." => {
-                parts.pop();
-            }
-            _ => parts.push(part),
-        }
-    }
-    parts.join("/")
-}
-
-fn render_named_template(template: &str, bindings: &[(&str, &str)]) -> String {
-    let bindings: HashMap<&str, &str> = bindings.iter().copied().collect();
-    let chars: Vec<char> = template.chars().collect();
-    let mut rendered = String::with_capacity(template.len());
-    let mut i = 0;
-    while i < chars.len() {
-        match chars[i] {
-            '{' => {
-                let mut j = i + 1;
-                while j < chars.len() && chars[j] != '}' {
-                    j += 1;
-                }
-                if j < chars.len() {
-                    let key: String = chars[i + 1..j].iter().collect();
-                    if is_template_placeholder_key(&key) {
-                        if let Some(value) = bindings.get(key.as_str()) {
-                            rendered.push_str(value);
-                        } else {
-                            rendered.push('{');
-                            rendered.push_str(&key);
-                            rendered.push('}');
-                        }
-                        i = j + 1;
-                        continue;
-                    }
-                }
-                rendered.push('{');
-                i += 1;
-            }
-            ch => {
-                rendered.push(ch);
-                i += 1;
-            }
-        }
-    }
-    rendered
-}
-
-fn is_template_placeholder_key(key: &str) -> bool {
-    let mut chars = key.chars();
-    let Some(first) = chars.next() else {
-        return false;
-    };
-    if !(first == '_' || first.is_ascii_alphabetic()) {
-        return false;
-    }
-    chars.all(|ch| ch == '_' || ch.is_ascii_alphanumeric())
-}
-
-fn find_resolved_branch_path(branch: &BranchNode, variant_id: DeclarationId) -> Option<&Path> {
-    branch.paths.iter().find(|path| match path.pattern {
-        BranchPattern::ResolvedVariant(id) => id == variant_id,
-        BranchPattern::UnresolvedVariant { .. } => false,
-    })
-}
-
-fn variant_parent_info(dag: &Dag, variant_id: DeclarationId) -> Option<(String, String)> {
-    dag.declarations().iter().find_map(|decl| {
-        let enum_name = decl.name.as_ref()?;
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return None;
-        };
-        variants
-            .iter()
-            .find(|variant| variant.ty == variant_id)
-            .map(|variant| (enum_name.clone(), variant.label.clone()))
-    })
-}
-
-fn callable_template(target: DeclarationId, dag: &Dag) -> (DeclarationId, Vec<TemplateArgument>) {
-    match &dag.declaration(target).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => (*template, arguments.clone()),
-        _ => (target, Vec::new()),
-    }
-}
-
-fn bound_callable_argument(
-    dag: &Dag,
-    template: DeclarationId,
-    arguments: &[TemplateArgument],
-    input_index: usize,
-) -> Result<DeclarationId, EmitError> {
-    let TypeConnective::Arrow { inputs, .. } = &dag.declaration(template).connective else {
-        return Err(EmitError::UnsupportedBehavior(
-            "realized callable template did not resolve to an Arrow declaration".to_string(),
-        ));
-    };
-    let Some(param_decl) = inputs.get(input_index).copied() else {
-        return Err(EmitError::UnsupportedBehavior(format!(
-            "realized callable slot {} is missing from the template declaration",
-            input_index
-        )));
-    };
-    arguments
-        .iter()
-        .find(|arg| arg.parameter == param_decl)
-        .map(|arg| arg.value)
-        .ok_or_else(|| {
-            EmitError::UnsupportedBehavior(
-                "realized callable argument did not bind through template instantiation"
-                    .to_string(),
-            )
-        })
-}
-
-fn render_value(v: &crate::dag::ValueNode, literals: &LiteralSyntaxBinding) -> String {
-    match &v.data {
-        LiteralBits::Int(decimal) => decimal.clone(),
-        LiteralBits::Bool(true) => literals.true_keyword.clone(),
-        LiteralBits::Bool(false) => literals.false_keyword.clone(),
-        LiteralBits::String(s) | LiteralBits::Symbol(s) => format!(
-            "{}{}{}",
-            literals.string_delimiter,
-            s.replace('\\', "\\\\").replace('"', "\\\""),
-            literals.string_delimiter
-        ),
-    }
-}
-
-fn primitive_type_id_for_port(dag: &Dag, port: PortId) -> Result<DeclarationId, EmitError> {
-    primitive_type_id_for_port_shared(dag, port).map_err(|err| match err {
-        SharedEmitLookupError::UntypedPort(port) => EmitError::UntypedPort(port),
-        SharedEmitLookupError::Unsupported(detail) => EmitError::UnsupportedBehavior(detail),
-    })
-}
-
-/// Peel named empty `Instantiation` chains (`type MyBool = Bool` → `Bool`).
-///
-/// Used **only after** refinement stripping and **only as a fallback** in
-/// [`operator_carrier_realization`]: kernel types like `Int` are also named
-/// `Instantiation` rows, so the peeled id must not replace the surface key when
-/// the direct lookup succeeds.
-pub(crate) fn operator_realization_lookup_type(
-    dag: &Dag,
-    mut current: DeclarationId,
-) -> DeclarationId {
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &decl.connective
-        else {
-            break;
-        };
-        if !(decl.name.is_some() && arguments.is_empty() && *template != current) {
-            break;
-        }
-        current = *template;
-    }
-    current
-}
-
-/// Operand-side lookup for [`crate::operators`] realization keys. Strips
-/// refinements via [`crate::infer::strip_refinement_to_base`] (same rule as
-/// `resolve_operator_arrow`) before optional named-alias peeling.
-pub(crate) fn operator_carrier_realization<'a>(
-    operators: &'a HashMap<(DeclarationId, DeclarationId), String>,
-    dag: &Dag,
-    primitive_operand_decl: DeclarationId,
-    op_decl: DeclarationId,
-) -> Option<&'a String> {
-    let stripped = strip_refinement_to_base(dag, primitive_operand_decl);
-    let peeled = operator_realization_lookup_type(dag, stripped);
-    let mut prev: Option<DeclarationId> = None;
-    for candidate in [primitive_operand_decl, stripped, peeled] {
-        if prev == Some(candidate) {
-            continue;
-        }
-        prev = Some(candidate);
-        if let Some(carrier) = operators.get(&(candidate, op_decl)) {
-            return Some(carrier);
-        }
-    }
-    None
-}
-
-fn algebra_field_for_operator(
-    dag: &Dag,
-    operand_type_id: DeclarationId,
-    op: OperatorKind,
-) -> Result<DeclarationId, EmitError> {
-    algebra_field_for_operator_shared(dag, operand_type_id, op).map_err(|err| match err {
-        SharedEmitLookupError::UntypedPort(port) => EmitError::UntypedPort(port),
-        SharedEmitLookupError::Unsupported(detail) => EmitError::UnsupportedBehavior(detail),
-    })
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::compile_to_dag;
-    use crate::dag::{
-        literal_bits_int, BindEmitParticipation, BranchEmitParticipation, TransformTarget,
-    };
-    use crate::diagnostics::SourceSpan;
-
-    // DELETED: go_gc_targets_skip_rendering_model_loading
-    //
-    // This test deliberately corrupted `go_rendering` and asserted
-    // emission succeeded — codifying "declared target fact is
-    // non-authoritative" as a unit-tested property. That directly
-    // violates INVARIANTS.md E-6 (no target-spec field without a
-    // same-PR consumer). Removed so the go_rendering authority is
-    // allowed to become load-bearing; if a future test needs to
-    // assert "emission doesn't rely on X for GC targets," it should
-    // do so by driving emission on a properly-populated spec, not
-    // by corrupting a field and asserting we ignore it.
-
-    #[test]
-    fn go_struct_fields_render_with_separators() {
-        let dag =
-            compile_to_dag("type Pair { left: Int right: Int }", "pair.v3").expect("compiles");
-        let rendered = emit_module(&dag, EmitTarget::Go)
-            .expect("go emitter should render struct")
-            .text;
-        assert!(
-            rendered.contains("type Pair struct { left int64; right int64 }"),
-            "got: {rendered}"
-        );
-    }
-
-    #[test]
-    fn go_program_emission_excludes_internal_pipeline_authority() {
-        let dag = compile_to_dag(
-            "fn double(x: Int) -> Int = x + x\nlet result: Int = double(20)\n",
-            "program.v3",
-        )
-        .expect("compiles");
-        let rendered = emit(&dag, EmitTarget::Go)
-            .expect("go emitter should render program")
-            .text;
-        assert!(!rendered.contains("parse_realization"), "got: {rendered}");
-        assert!(!rendered.contains("DeclarationRef"), "got: {rendered}");
-    }
-
-    #[test]
-    fn shared_primitive_type_lookup_preserves_named_aliases() {
-        let dag = compile_to_dag(
-            "type MyInt = Int\nfn id(x: MyInt) -> MyInt = x",
-            "named_alias_test.v3",
-        )
-        .expect("compiles");
-        let param_port = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Bind(bind)
-                    if bind.name == "id"
-                        && bind.emit_participation()
-                            == Some(BindEmitParticipation::UserCallable) =>
-                {
-                    bind.params.first().copied()
-                }
-                _ => None,
-            })
-            .expect("user function param");
-        let my_int = dag.declaration_by_name("MyInt").expect("MyInt decl").id;
-
-        assert_eq!(
-            primitive_type_id_for_port_shared(&dag, param_port),
-            Ok(my_int),
-        );
-    }
-
-    #[test]
-    fn shared_walk_to_disj_finds_match_scrutinee_sum_type() {
-        let dag = compile_to_dag(
-            "type Sign = Plus | Minus\nfn classify(s: Sign) -> Int = match s { Plus => 0, Minus => 1 }",
-            "match_test.v3",
-        )
-        .expect("compiles");
-        let classify_output = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Bind(bind)
-                    if bind.name == "classify"
-                        && bind.emit_participation()
-                            == Some(BindEmitParticipation::UserCallable) =>
-                {
-                    Some(bind.value)
-                }
-                _ => None,
-            })
-            .expect("classify user function output");
-        let branch_input = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Branch(branch)
-                    if branch.output == classify_output
-                        && branch.emit_participation()
-                            == Some(BranchEmitParticipation::UserMatch) =>
-                {
-                    Some(branch.input)
-                }
-                _ => None,
-            })
-            .expect("user branch input");
-        let scrutinee_type =
-            primitive_type_id_for_port_shared(&dag, branch_input).expect("scrutinee type");
-        let sign = dag.declaration_by_name("Sign").expect("Sign decl").id;
-
-        assert_eq!(walk_to_disj(&dag, scrutinee_type), Some(sign));
-    }
-
-    #[test]
-    fn go_fold_marks_loop_item_used_inside_the_loop() {
-        let dag = compile_to_dag(
-            "let total: Int = fold(cons(1, singleton(2)), 0, |acc, x| acc + x)",
-            "fold_item_scope.v3",
-        )
-        .expect("compiles");
-        let rendered = emit(&dag, EmitTarget::Go)
-            .expect("go emitter should render fold")
-            .text;
-        assert!(
-            rendered.contains("for _, __foldItem := range"),
-            "got: {rendered}"
-        );
-        assert!(
-            rendered.contains("{ _ = __foldItem; __foldAcc = "),
-            "got: {rendered}"
-        );
-        assert!(
-            !rendered.contains("_ = (int64)(__foldItem)"),
-            "got: {rendered}"
-        );
-    }
-
-    #[test]
-    fn go_map_and_filter_mark_unused_loop_items_used_inside_the_loop() {
-        let dag = compile_to_dag(
-            "let total: Int = length(filter(map(cons(1, singleton(2)), |x| x + 1), |y| y == 2))",
-            "map_filter_loop_item.v3",
-        )
-        .expect("compiles");
-        let rendered = emit(&dag, EmitTarget::Go)
-            .expect("go emitter should render map/filter")
-            .text;
-        assert!(
-            rendered.contains("for _, __mapItem := range") && rendered.contains("_ = __mapItem;"),
-            "got: {rendered}"
-        );
-        assert!(
-            rendered.contains("for _, __filterItem := range")
-                && rendered.contains("_ = __filterItem;"),
-            "got: {rendered}"
-        );
-    }
-
-    #[test]
-    fn go_multi_field_variant_payload_binding_uses_the_variant_value() {
-        // Originally exercised via a recursive `count`, which lowered
-        // to `Behavior::Loop` and was silently emitted (the loop-as-
-        // body-result collapse). emit_go now fail-closes on Loop, so
-        // we use a non-recursive body that still exercises Cons(payload)
-        // payload-binding rendering.
-        let dag = compile_to_dag(
-            "type IntList = Empty | Cons { head: Int, tail: IntList }\nfn head_or_zero(list: IntList) -> Int = match list { Empty => 0, Cons(payload) => payload.head }\n",
-            "variant_payload_binding.v3",
-        )
-        .expect("compiles");
-        let rendered = emit_module(&dag, EmitTarget::Go)
-            .expect("go emitter should render match")
-            .text;
-        assert!(
-            rendered.contains("case Cons: return (v).head"),
-            "got: {rendered}"
-        );
-        assert!(!rendered.contains("payload := v;"), "got: {rendered}");
-    }
-
-    #[test]
-    fn go_named_single_field_variant_payload_binding_uses_the_variant_value() {
-        let dag = compile_to_dag(
-            "type Point { x: Int y: Int }\ntype Wrapped = Wrap { inner: Point } | Empty\nfn unwrap_or_zero(w: Wrapped) -> Int = match w { Wrap(payload) => payload.inner.x, Empty => 0 }\n",
-            "variant_payload_named_single.v3",
-        )
-        .expect("compiles");
-        let rendered = emit_module(&dag, EmitTarget::Go)
-            .expect("go emitter should render match")
-            .text;
-        assert!(
-            rendered.contains("case Wrap: return ((v).inner).x"),
-            "got: {rendered}"
-        );
-        assert!(!rendered.contains("payload := v.inner;"), "got: {rendered}");
-    }
-
-    #[test]
-    fn go_sum_branch_fails_when_variant_parent_is_missing() {
-        let mut dag = compile_to_dag(
-            "type Choice = Left | Right\nfn pick(choice: Choice) -> Int = match choice { Left => 1, Right => 2 }\n",
-            "missing_variant_parent.v3",
-        )
-        .expect("compiles");
-        let choice_decl = dag.declaration_by_name("Choice").expect("Choice decl").id;
-        let right_variant = match &dag.declaration(choice_decl).connective {
-            TypeConnective::Disj { variants } => {
-                variants
-                    .iter()
-                    .find(|v| v.label == "Right")
-                    .expect("Right variant in Choice")
-                    .ty
-            }
-            _ => panic!("Choice should lower to a Disj"),
-        };
-        let TypeConnective::Disj { variants } = &mut dag.declaration_mut(choice_decl).connective
-        else {
-            panic!("Choice should lower to a Disj");
-        };
-        variants.retain(|variant| variant.ty != right_variant);
-
-        let err = emit_module(&dag, EmitTarget::Go).expect_err("missing parent must fail closed");
-        assert!(
-            matches!(
-                err,
-                EmitDispatchError::Core(EmitError::VariantParentNotFound { variant_id })
-                    if variant_id == right_variant
-            ),
-            "expected VariantParentNotFound for Right, got {err:?}"
-        );
-    }
-
-    #[test]
-    fn behavior_result_port_returns_the_behavior_output_port() {
-        let mut dag = Dag::new();
-        let file = "emit_port_liveness_test.v3";
-        let left = dag.push_value(literal_bits_int(1), SourceSpan::new(file, 0, 1));
-        let right = dag.push_value(literal_bits_int(2), SourceSpan::new(file, 0, 1));
-        let sum = dag.push_transform(
-            TransformTarget::Operator(crate::dag::OperatorKind::Arithmetic(
-                crate::dag::ArithmeticOp::Add,
-            )),
-            vec![left, right],
-            SourceSpan::new(file, 0, 1),
-        );
-        let producer = dag.port(sum).produced_by.expect("transform port");
-        let behavior = dag.node(producer);
-        assert_eq!(super::behavior_result_port(behavior), sum);
-    }
-
-    #[test]
-    fn result_and_diverror_emit_suppression_are_structural_not_path_keyed() {
-        let mut dag = Dag::new();
-        let result = dag
-            .declaration_by_name("Result")
-            .expect("bootstrap Result")
-            .id;
-        let div_error = dag
-            .declaration_by_name("DivError")
-            .expect("bootstrap DivError")
-            .id;
-
-        dag.declaration_mut(result).span.file = "renamed/std/errors.dag".to_string();
-        dag.declaration_mut(div_error).span.file = "renamed/std/errors.dag".to_string();
-
-        assert!(super::substrate_result_type_decl_suppressed_for_emit(
-            &dag,
-            dag.declaration(result)
-        ));
-        assert!(super::substrate_div_error_type_decl_suppressed_for_emit(
-            &dag,
-            dag.declaration(div_error)
-        ));
-    }
-
-    #[test]
-    fn payload_bearing_diverror_is_not_emit_suppressed() {
-        let mut dag = Dag::new();
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-        let shadow_div_error = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: shadow_div_error,
-            name: Some("DivError".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DivideByZero".to_string(),
-                        ty: int,
-                    },
-                    Field {
-                        label: "Overflow".to_string(),
-                        ty: int,
-                    },
-                ],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("user/errors.dag", 0, 0),
-        });
-
-        assert!(!super::substrate_div_error_type_decl_suppressed_for_emit(
-            &dag,
-            dag.declaration(shadow_div_error)
-        ));
-    }
-
-    #[test]
-    fn extra_variant_result_is_not_emit_suppressed() {
-        let mut dag = Dag::new();
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-        let ok = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: ok,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("ok".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("user/result_extra.dag", 0, 0),
-        });
-        let err = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: err,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("err".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("user/result_extra.dag", 0, 0),
-        });
-        let ok_payload = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: ok_payload,
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: ok,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("user/result_extra.dag", 0, 0),
-        });
-        let err_payload = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: err_payload,
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: err,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("user/result_extra.dag", 0, 0),
-        });
-        let result = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: result,
-            name: Some("Result".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Ok".to_string(),
-                        ty: ok_payload,
-                    },
-                    Field {
-                        label: "Err".to_string(),
-                        ty: err_payload,
-                    },
-                    Field {
-                        label: "Other".to_string(),
-                        ty: int,
-                    },
-                ],
-            },
-            type_params: vec![ok, err],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("user/result_extra.dag", 0, 0),
-        });
-
-        assert!(!super::substrate_result_type_decl_suppressed_for_emit(
-            &dag,
-            dag.declaration(result)
-        ));
-    }
-
-    #[test]
-    fn port_is_consumed_from_reaches_operand_ports_from_add_output() {
-        let mut dag = Dag::new();
-        let file = "emit_port_liveness_test.v3";
-        let left = dag.push_value(literal_bits_int(1), SourceSpan::new(file, 0, 1));
-        let right = dag.push_value(literal_bits_int(2), SourceSpan::new(file, 0, 1));
-        let sum = dag.push_transform(
-            TransformTarget::Operator(crate::dag::OperatorKind::Arithmetic(
-                crate::dag::ArithmeticOp::Add,
-            )),
-            vec![left, right],
-            SourceSpan::new(file, 0, 1),
-        );
-        assert!(super::port_is_consumed_from(&dag, sum, left));
-        assert!(super::port_is_consumed_from(&dag, sum, right));
-    }
-
-    #[test]
-    fn port_is_consumed_from_is_false_for_unrelated_leaf_port() {
-        let mut dag = Dag::new();
-        let file = "emit_port_liveness_test.v3";
-        let left = dag.push_value(literal_bits_int(1), SourceSpan::new(file, 0, 1));
-        let right = dag.push_value(literal_bits_int(2), SourceSpan::new(file, 0, 1));
-        let sum = dag.push_transform(
-            TransformTarget::Operator(crate::dag::OperatorKind::Arithmetic(
-                crate::dag::ArithmeticOp::Add,
-            )),
-            vec![left, right],
-            SourceSpan::new(file, 0, 1),
-        );
-        let int_ty = dag.int_shape().expect("bootstrap Int");
-        let stray = dag.alloc_port_with_shape(int_ty);
-        assert!(!super::port_is_consumed_from(&dag, sum, stray));
-    }
-
-    #[test]
-    fn port_is_consumed_from_reaches_loop_body_result_from_loop_output() {
-        let mut dag = Dag::new();
-        let file = "emit_port_liveness_test.v3";
-        let source = dag.push_value(literal_bits_int(0), SourceSpan::new(file, 0, 1));
-        let init = dag.push_value(literal_bits_int(0), SourceSpan::new(file, 0, 1));
-        let body_out = dag.push_value(literal_bits_int(99), SourceSpan::new(file, 0, 1));
-        let body_node = dag
-            .port(body_out)
-            .produced_by
-            .expect("body value output must have a producer node");
-        let count = dag.push_value(literal_bits_int(3), SourceSpan::new(file, 0, 1));
-        let loop_out = dag.push_loop(
-            source,
-            init,
-            body_node,
-            crate::dag::LoopBound::Cardinality { count },
-            SourceSpan::new(file, 0, 1),
-        );
-        assert!(super::port_is_consumed_from(&dag, loop_out, body_out));
-    }
-}
diff --git a/src/v3/compiler/src/emit/collection_ops_method_contract.rs b/src/v3/compiler/src/emit/collection_ops_method_contract.rs
deleted file mode 100644
index 78cadcb422f..00000000000
--- a/src/v3/compiler/src/emit/collection_ops_method_contract.rs
+++ /dev/null
@@ -1,183 +0,0 @@
-//! `CollectionOps.*_contract` fields cross `DeclarationRef` boundaries. Emit
-//! consumers must fail closed on the **algebra identity** (P1): each referenced
-//! declaration must be a `MethodTemplateContract` data binding whose
-//! `dag_method.decl` resolves to the expected registry `*_method` row.
-
-use super::method_emit_template_variant_label;
-use crate::dag::{Dag, DeclarationId, FieldValue, LiteralBits, TypeConnective, ValueBody};
-
-/// 🟢 TERMINAL at the CollectionOps contract-consumer projection boundary.
-/// This mirrors the substrate `MethodEmitTemplate` coproduct exactly so Rust
-/// CollectionOps can choose the HO inline rendering without flattening or
-/// copying template text into a third authority.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub(crate) enum MethodTemplateContractEmitTemplate {
-    SingleTemplate(String),
-    HigherOrderTemplates {
-        inline_template: String,
-        fn_ref_template: String,
-    },
-}
-
-/// Fail closed unless `contract_decl` is a `MethodTemplateContract` instance
-/// whose `dag_method.decl` resolves to `expected_method_decl`.
-pub(crate) fn require_method_template_contract_dag_method(
-    dag: &Dag,
-    contract_decl: DeclarationId,
-    collection_ops_field: &'static str,
-    expected_method_decl: DeclarationId,
-) -> Result<(), &'static str> {
-    let fields = method_template_contract_fields(dag, contract_decl)?;
-    require_method_template_contract_fields_dag_method(
-        fields,
-        collection_ops_field,
-        expected_method_decl,
-    )
-}
-
-pub(crate) fn method_template_contract_decl_emit_template(
-    dag: &Dag,
-    contract_decl: DeclarationId,
-    collection_ops_field: &'static str,
-    expected_method_decl: DeclarationId,
-) -> Result<MethodTemplateContractEmitTemplate, &'static str> {
-    let fields = method_template_contract_fields(dag, contract_decl)?;
-    require_method_template_contract_fields_dag_method(
-        fields,
-        collection_ops_field,
-        expected_method_decl,
-    )?;
-    method_template_contract_fields_emit_template(dag, fields)
-}
-
-fn method_template_contract_fields(
-    dag: &Dag,
-    contract_decl: DeclarationId,
-) -> Result<&[(String, FieldValue)], &'static str> {
-    let mtc_type_id = dag
-        .method_template_contract_decl()
-        .ok_or("internal: MethodTemplateContract type missing from dag")?;
-
-    let decl = dag.declaration(contract_decl);
-    let template = match &decl.connective {
-        TypeConnective::Instantiation { template, .. } => *template,
-        _ => {
-            return Err(
-                "CollectionOps contract must reference a MethodTemplateContract data binding",
-            );
-        }
-    };
-    if template != mtc_type_id {
-        return Err("CollectionOps contract must instantiate MethodTemplateContract");
-    }
-
-    let Some(body) = decl.value_body.as_ref() else {
-        return Err(
-            "CollectionOps contract referenced declaration must carry a structural value body",
-        );
-    };
-    let fields = match body {
-        ValueBody::Structural { fields } => fields,
-        _ => {
-            return Err(
-                "CollectionOps contract referenced declaration must be structural MethodTemplateContract data",
-            );
-        }
-    };
-    Ok(fields)
-}
-
-fn require_method_template_contract_fields_dag_method(
-    fields: &[(String, FieldValue)],
-    collection_ops_field: &'static str,
-    expected_method_decl: DeclarationId,
-) -> Result<(), &'static str> {
-    let method_id = method_template_contract_fields_dag_method(fields)?;
-    if method_id != expected_method_decl {
-        return Err(match collection_ops_field {
-            "fold_contract" => "CollectionOps.fold_contract must target fold_method",
-            "concat_contract" => "CollectionOps.concat_contract must target concat_method",
-            "length_contract" => "CollectionOps.length_contract must target length_method",
-            "filter_contract" => "CollectionOps.filter_contract must target filter_method",
-            "flat_map_contract" => "CollectionOps.flat_map_contract must target flat_map_method",
-            "any_contract" => "CollectionOps.any_contract must target any_method",
-            "all_contract" => "CollectionOps.all_contract must target all_method",
-            "map_contract" => "CollectionOps.map_contract must target map_method",
-            "is_empty_contract" => {
-                "CollectionOps.is_empty_contract must target is_empty_method (FreeMonoid<T>.is_empty -> Bool)"
-            }
-            _ => "CollectionOps contract dag_method does not match expected registry method",
-        });
-    }
-
-    Ok(())
-}
-
-fn method_template_contract_fields_dag_method(
-    fields: &[(String, FieldValue)],
-) -> Result<DeclarationId, &'static str> {
-    let dag_method = fields
-        .iter()
-        .find(|(l, _)| l == "dag_method")
-        .map(|(_, v)| v)
-        .ok_or("MethodTemplateContract missing dag_method field")?;
-
-    let FieldValue::Record(method_ref_fields) = dag_method else {
-        return Err("MethodTemplateContract.dag_method must be a MethodRef record");
-    };
-
-    let method_id = match method_ref_fields.as_slice() {
-        [(label, FieldValue::Reference(id))] if label == "decl" => *id,
-        _ => {
-            return Err(
-                "MethodTemplateContract.dag_method must be exactly `{ decl: DeclarationRef }` (MethodRef)",
-            );
-        }
-    };
-    Ok(method_id)
-}
-
-fn method_template_contract_fields_emit_template(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-) -> Result<MethodTemplateContractEmitTemplate, &'static str> {
-    let emit_value = fields
-        .iter()
-        .find(|(label, _)| label == "emit_template")
-        .map(|(_, v)| v)
-        .ok_or("MethodTemplateContract missing emit_template field")?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = emit_value
-    else {
-        return Err("MethodTemplateContract.emit_template must be a sum variant");
-    };
-    let ctor_name = method_emit_template_variant_label(dag, *constructor).ok_or(
-        "MethodTemplateContract.emit_template variant not found under MethodEmitTemplate disj",
-    )?;
-    match ctor_name {
-        "SingleTemplate" => {
-            let [FieldValue::Literal(LiteralBits::String(template))] = payload.as_slice() else {
-                return Err("SingleTemplate must carry exactly one string template payload");
-            };
-            Ok(MethodTemplateContractEmitTemplate::SingleTemplate(
-                template.replace("%Q", "\""),
-            ))
-        }
-        "HigherOrderTemplates" => {
-            let [FieldValue::Literal(LiteralBits::String(inline_template)), FieldValue::Literal(LiteralBits::String(fn_ref_template))] =
-                payload.as_slice()
-            else {
-                return Err(
-                    "HigherOrderTemplates must carry inline_template and fn_ref_template strings",
-                );
-            };
-            Ok(MethodTemplateContractEmitTemplate::HigherOrderTemplates {
-                inline_template: inline_template.replace("%Q", "\""),
-                fn_ref_template: fn_ref_template.replace("%Q", "\""),
-            })
-        }
-        _ => Err("MethodTemplateContract.emit_template uses an unknown MethodEmitTemplate variant"),
-    }
-}
diff --git a/src/v3/compiler/src/emit/python_target.rs b/src/v3/compiler/src/emit/python_target.rs
deleted file mode 100644
index c1c3d297242..00000000000
--- a/src/v3/compiler/src/emit/python_target.rs
+++ /dev/null
@@ -1,2232 +0,0 @@
-use std::collections::HashMap;
-
-use super::{
-    algebra_field_for_operator_shared,
-    collection_ops_method_contract::require_method_template_contract_dag_method,
-    dag_needs_div_error_prelude, div_prelude_reserved_name_collision,
-    method_emit_template_variant_label, optional_match_variant_roles, parse_pattern_strategy,
-    primitive_type_id_for_port_shared, walk_to_disj, EmitMode, PatternStrategyBinding,
-    SharedEmitLookupError, SourceFilteringBinding, VariantPayloadBinding,
-    VariantPayloadFieldAccessRuleBinding,
-};
-use crate::dag::{
-    ArrowBody, AtomPayload, Behavior, BindNode, BranchNode, BranchPattern, DeclarationId, Field,
-    FieldValue, LiteralBits, Path, PortId, TemplateArgument, TransformNode, TransformTarget,
-    TypeConnective,
-};
-use crate::operators::OperatorKind;
-use crate::variant_payload::{
-    variant_payload_shape, VariantPayloadShape, VariantPayloadShapeLookup,
-};
-use crate::Dag;
-
-#[derive(Debug, Clone)]
-pub enum EmitPythonError {
-    MissingMeta(&'static str),
-    MissingSpec(&'static str),
-    MissingTypeRealization {
-        target: DeclarationId,
-    },
-    MissingOperatorRealization {
-        target: DeclarationId,
-        op: DeclarationId,
-    },
-    MalformedSpec {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-    UntypedPort(PortId),
-    Unsupported(String),
-    UnresolvedBranchPattern {
-        variant_name: String,
-    },
-    /// Two realization data items in the loaded spec set targeted the
-    /// same key (type, (operand_type, op), or callable). The Python
-    /// loader used to silently overwrite the first entry when this
-    /// happened. Now fail-closed so spec collisions surface.
-    DuplicateRealization {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-}
-
-pub(crate) type EmitPythonMode = EmitMode;
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum CallableStrategyBinding {
-    Empty,
-    Singleton,
-    Cons,
-    Concat,
-    Length,
-    IsEmpty,
-    Fold,
-    Map,
-    Filter,
-    Contains,
-}
-
-#[derive(Debug, Clone)]
-struct PythonSyntax {
-    field_access: String,
-    function_call: String,
-    closure: String,
-    empty_list: String,
-    list_literal: String,
-    cons: String,
-    concat: String,
-    length: String,
-    is_empty: String,
-    fold: String,
-    map: String,
-    filter: String,
-    contains: String,
-    optional: String,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum MemoryModelBinding {
-    ValueOnly,
-    GarbageCollected,
-    RefCounted,
-    OwnershipBased,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ScopeModelBinding {
-    LexicalScoping,
-    DynamicScoping,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct PythonTarget {
-    memory: MemoryModelBinding,
-    scope: ScopeModelBinding,
-}
-
-/// Typed read of `data python_clean_emission: CleanEmissionContract`
-/// from `src/v3/spec/python.dag` — the portion this pilot consumes
-/// (E-5 / Lane 1 Stage 1c PR 3). Other contract rules land here as
-/// their consumers wire in.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct CleanEmissionContractBinding {
-    pattern_bindings: PatternBindingRuleBinding,
-    variant_payload_field_access: VariantPayloadFieldAccessRuleBinding,
-}
-
-/// Python-valid slice of `std.clean_emission.PatternBindingRule`.
-/// Parsed in `CleanEmissionContractBinding::build`, which rejects
-/// target-invalid constructors instead of letting the renderer
-/// normalize them later. emit_python does not emit Python's native
-/// `match` statement — it substitutes an extraction expression
-/// (`__match._0` / `__match`) at every payload-binding port
-/// reference inside the rendered arm body, so no binding identifier
-/// is ever written at a pattern site. `NotApplicablePatternBinding`
-/// is the only valid rule.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum PatternBindingRuleBinding {
-    NotApplicable,
-}
-
-#[derive(Debug, Clone)]
-struct PatternRealizationBinding {
-    empty_variant: DeclarationId,
-    cons_variant: DeclarationId,
-    scrutinee: String,
-    empty_pattern: String,
-    cons_pattern: String,
-    head_expr: String,
-    tail_expr: String,
-}
-
-#[derive(Debug, Clone)]
-struct PythonIndexes {
-    types: HashMap<DeclarationId, String>,
-    type_instantiations: HashMap<DeclarationId, String>,
-    operators: HashMap<(DeclarationId, DeclarationId), String>,
-    callables: HashMap<DeclarationId, CallableStrategyBinding>,
-    patterns: HashMap<DeclarationId, PatternRealizationBinding>,
-    syntax: PythonSyntax,
-    target: PythonTarget,
-    /// Source exclusion policy loaded from
-    /// `data python_source_filtering: ShapeATargetSourceFiltering`.
-    source_filtering: SourceFilteringBinding,
-    /// The Python clean-emission contract loaded from `data
-    /// python_clean_emission: CleanEmissionContract` (E-5 / Lane 1
-    /// Stage 1c PR 3). Rule variants dispatch inside the emitter so
-    /// emitted Python passes `python3 -m py_compile` by
-    /// construction. For the current pilot only `pattern_bindings`
-    /// is dispatched on; other fields are authored-but-unread until
-    /// Lane 1d/1e consolidation.
-    clean_emission: CleanEmissionContractBinding,
-}
-
-#[derive(Debug, Clone, Default)]
-struct RenderLocals {
-    names: HashMap<PortId, String>,
-    payload_bindings: HashMap<PortId, VariantPayloadBinding<String>>,
-}
-
-struct Ctx<'a> {
-    dag: &'a Dag,
-    indexes: &'a PythonIndexes,
-    bound_names: &'a HashMap<PortId, String>,
-}
-
-impl PythonIndexes {
-    fn build(dag: &Dag) -> Result<Self, EmitPythonError> {
-        let type_meta = dag
-            .type_realization_meta()
-            .ok_or(EmitPythonError::MissingMeta("TypeRealization"))?;
-        let type_instantiation_meta = dag
-            .type_instantiation_realization_meta()
-            .ok_or(EmitPythonError::MissingMeta("TypeInstantiationRealization"))?;
-        let operator_meta = dag
-            .operator_realization_meta()
-            .ok_or(EmitPythonError::MissingMeta("OperatorRealization"))?;
-        let callable_meta = dag
-            .callable_realization_meta()
-            .ok_or(EmitPythonError::MissingMeta("CallableRealization"))?;
-        let pattern_meta = dag
-            .pattern_realization_meta()
-            .ok_or(EmitPythonError::MissingMeta("PatternRealization"))?;
-        let python_language = dag
-            .python_language_spec()
-            .ok_or(EmitPythonError::MissingSpec("python_language"))?;
-        let mut types = HashMap::new();
-        let mut type_instantiations = HashMap::new();
-        let mut operators = HashMap::new();
-        let mut callables = HashMap::new();
-        let mut patterns = HashMap::new();
-
-        for decl in dag.declarations() {
-            let Some(meta_tag) = decl.meta_tag else {
-                continue;
-            };
-            // Only act on declarations tagged with one of the four
-            // realization meta types. Skip silently when the meta-tag
-            // is for a different category — that's structural, not a
-            // spec inconsistency.
-            let is_realization_meta = meta_tag == type_meta
-                || meta_tag == type_instantiation_meta
-                || meta_tag == operator_meta
-                || meta_tag == callable_meta
-                || meta_tag == pattern_meta;
-            if !is_realization_meta {
-                continue;
-            }
-            // A data item tagged with a realization meta-type MUST
-            // have a Structural value_body. If it's Unparsed, the
-            // inhabitance check let a malformed spec entry through —
-            // fail-closed so the spec inconsistency surfaces loudly
-            // (matches emit_rust + emit_go behavior).
-            let Some(fields) = structural_fields(decl) else {
-                return Err(EmitPythonError::MalformedSpec {
-                    declaration: decl.id,
-                    detail:
-                        "realization data item has no Structural value_body — bootstrap inhabitance check missed a malformed spec entry",
-                });
-            };
-            let language = require_field_decl_ref(fields, "language", decl.id)?;
-            if language != python_language {
-                continue;
-            }
-            if meta_tag == type_meta {
-                let target = require_field_decl_ref(fields, "target", decl.id)?;
-                let carrier = require_field_string(fields, "carrier", decl.id)?;
-                if types.insert(target, carrier).is_some() {
-                    return Err(EmitPythonError::DuplicateRealization {
-                        declaration: decl.id,
-                        detail: "two TypeRealization data items target the same declaration",
-                    });
-                }
-            } else if meta_tag == type_instantiation_meta {
-                let target = require_field_decl_ref(fields, "target", decl.id)?;
-                let carrier = require_field_string(fields, "carrier", decl.id)?;
-                if type_instantiations.insert(target, carrier).is_some() {
-                    return Err(EmitPythonError::DuplicateRealization {
-                        declaration: decl.id,
-                        detail: "two TypeInstantiationRealization data items target the same declaration",
-                    });
-                }
-            } else if meta_tag == operator_meta {
-                let target = require_field_decl_ref(fields, "target", decl.id)?;
-                let op = require_field_decl_ref(fields, "op", decl.id)?;
-                let carrier = require_field_string(fields, "carrier", decl.id)?;
-                if !carrier.contains("{lhs}") || !carrier.contains("{rhs}") {
-                    return Err(EmitPythonError::MalformedSpec {
-                        declaration: decl.id,
-                        detail: "OperatorRealization carrier must be a full-expression template containing {lhs} and {rhs}",
-                    });
-                }
-                if operators.insert((target, op), carrier).is_some() {
-                    return Err(EmitPythonError::DuplicateRealization {
-                        declaration: decl.id,
-                        detail:
-                            "two OperatorRealization data items share the same (target, op) pair",
-                    });
-                }
-            } else if meta_tag == callable_meta {
-                let target = require_field_decl_ref(fields, "target", decl.id)?;
-                let strategy = parse_callable_strategy(dag, fields, decl.id)?;
-                if callables.insert(target, strategy).is_some() {
-                    return Err(EmitPythonError::DuplicateRealization {
-                        declaration: decl.id,
-                        detail:
-                            "two CallableRealization data items target the same callable declaration",
-                    });
-                }
-            } else {
-                let target = require_field_decl_ref(fields, "target", decl.id)?;
-                let binding = parse_pattern_realization(dag, fields, decl.id)?;
-                validate_pattern_roles(dag, target, &binding, decl.id)?;
-                if patterns.insert(target, binding).is_some() {
-                    return Err(EmitPythonError::DuplicateRealization {
-                        declaration: decl.id,
-                        detail:
-                            "two PatternRealization data items target the same structural sum declaration",
-                    });
-                }
-            }
-        }
-
-        let language_fields = structural_fields_for_decl(dag, python_language)?;
-        let expressions = require_field_decl_ref(language_fields, "expressions", python_language)?;
-        let collections =
-            require_field_decl_ref(language_fields, "collection_ops", python_language)?;
-        let type_apps =
-            require_field_decl_ref(language_fields, "type_applications", python_language)?;
-        let target_decl = dag
-            .python_target_spec()
-            .ok_or(EmitPythonError::MissingSpec("python_target"))?;
-        let target_fields = structural_fields_for_decl(dag, target_decl)?;
-        let source_filtering = SourceFilteringBinding::build(
-            dag,
-            dag.python_source_filtering_spec()
-                .ok_or(EmitPythonError::MissingSpec("python_source_filtering"))?,
-        )
-        .map_err(|err| match err {
-            super::rust_target::EmitError::MalformedTargetSyntax {
-                declaration,
-                detail,
-            } => EmitPythonError::MalformedSpec {
-                declaration,
-                detail,
-            },
-            other => EmitPythonError::Unsupported(format!("{other:?}")),
-        })?;
-
-        let syntax = PythonSyntax {
-            field_access: require_field_string(
-                structural_fields_for_decl(dag, expressions)?,
-                "field_access",
-                expressions,
-            )?,
-            function_call: require_field_string(
-                structural_fields_for_decl(dag, expressions)?,
-                "function_call",
-                expressions,
-            )?,
-            closure: require_field_string(
-                structural_fields_for_decl(dag, expressions)?,
-                "closure",
-                expressions,
-            )?,
-            empty_list: require_field_string(
-                structural_fields_for_decl(dag, collections)?,
-                "empty_list",
-                collections,
-            )?,
-            list_literal: require_field_string(
-                structural_fields_for_decl(dag, collections)?,
-                "list_literal",
-                collections,
-            )?,
-            cons: require_field_string(
-                structural_fields_for_decl(dag, collections)?,
-                "cons",
-                collections,
-            )?,
-            concat: {
-                let cfields = structural_fields_for_decl(dag, collections)?;
-                let concat_method_decl =
-                    dag.concat_method_decl()
-                        .ok_or(EmitPythonError::MalformedSpec {
-                            declaration: collections,
-                            detail: "internal: concat_method missing from std.methods registry",
-                        })?;
-                let id = require_field_decl_ref(cfields, "concat_contract", collections)?;
-                require_method_template_contract_dag_method(
-                    dag,
-                    id,
-                    "concat_contract",
-                    concat_method_decl,
-                )
-                .map_err(|detail| EmitPythonError::MalformedSpec {
-                    declaration: id,
-                    detail,
-                })?;
-                method_contract_single_emit_template_string(dag, id)?
-            },
-            length: {
-                let cfields = structural_fields_for_decl(dag, collections)?;
-                let length_method_decl =
-                    dag.length_method_decl()
-                        .ok_or(EmitPythonError::MalformedSpec {
-                            declaration: collections,
-                            detail: "internal: length_method missing from std.methods registry",
-                        })?;
-                let id = require_field_decl_ref(cfields, "length_contract", collections)?;
-                require_method_template_contract_dag_method(
-                    dag,
-                    id,
-                    "length_contract",
-                    length_method_decl,
-                )
-                .map_err(|detail| EmitPythonError::MalformedSpec {
-                    declaration: id,
-                    detail,
-                })?;
-                method_contract_single_emit_template_string(dag, id)?
-            },
-            is_empty: {
-                let cfields = structural_fields_for_decl(dag, collections)?;
-                let is_empty_method_decl =
-                    dag.is_empty_method_decl()
-                        .ok_or(EmitPythonError::MalformedSpec {
-                            declaration: collections,
-                            detail: "internal: is_empty_method missing from std.methods registry",
-                        })?;
-                let id = require_field_decl_ref(cfields, "is_empty_contract", collections)?;
-                require_method_template_contract_dag_method(
-                    dag,
-                    id,
-                    "is_empty_contract",
-                    is_empty_method_decl,
-                )
-                .map_err(|detail| EmitPythonError::MalformedSpec {
-                    declaration: id,
-                    detail,
-                })?;
-                method_contract_single_emit_template_string(dag, id)?
-            },
-            fold: {
-                let cfields = structural_fields_for_decl(dag, collections)?;
-                let fold_method_decl =
-                    dag.fold_method_decl()
-                        .ok_or(EmitPythonError::MalformedSpec {
-                            declaration: collections,
-                            detail: "internal: fold_method missing from std.methods registry",
-                        })?;
-                let fold_contract = require_field_decl_ref(cfields, "fold_contract", collections)?;
-                require_method_template_contract_dag_method(
-                    dag,
-                    fold_contract,
-                    "fold_contract",
-                    fold_method_decl,
-                )
-                .map_err(|detail| EmitPythonError::MalformedSpec {
-                    declaration: fold_contract,
-                    detail,
-                })?;
-                method_contract_single_emit_template_string(dag, fold_contract)?
-            },
-            map: {
-                let cfields = structural_fields_for_decl(dag, collections)?;
-                let map_method_decl =
-                    dag.map_method_decl()
-                        .ok_or(EmitPythonError::MalformedSpec {
-                            declaration: collections,
-                            detail: "internal: map_method missing from std.methods registry",
-                        })?;
-                let map_contract = require_field_decl_ref(cfields, "map_contract", collections)?;
-                require_method_template_contract_dag_method(
-                    dag,
-                    map_contract,
-                    "map_contract",
-                    map_method_decl,
-                )
-                .map_err(|detail| EmitPythonError::MalformedSpec {
-                    declaration: map_contract,
-                    detail,
-                })?;
-                method_contract_single_emit_template_string(dag, map_contract)?
-            },
-            filter: require_field_string(
-                structural_fields_for_decl(dag, collections)?,
-                "filter",
-                collections,
-            )?,
-            contains: require_field_string(
-                structural_fields_for_decl(dag, collections)?,
-                "contains",
-                collections,
-            )?,
-            optional: require_field_string(
-                structural_fields_for_decl(dag, type_apps)?,
-                "optional",
-                type_apps,
-            )?,
-        };
-
-        let target = PythonTarget {
-            memory: require_memory_model(dag, target_fields, target_decl)?,
-            scope: require_scope_model(dag, target_fields, target_decl)?,
-        };
-
-        let clean_emission = CleanEmissionContractBinding::build(dag)?;
-
-        Ok(Self {
-            types,
-            type_instantiations,
-            operators,
-            callables,
-            patterns,
-            syntax,
-            target,
-            source_filtering,
-            clean_emission,
-        })
-    }
-}
-
-impl CleanEmissionContractBinding {
-    /// Parse the portion of `data python_clean_emission:
-    /// CleanEmissionContract` this pilot consumes. Mirrors
-    /// emit_rust / emit_go's `CleanEmissionContractBinding::build`.
-    fn build(dag: &Dag) -> Result<Self, EmitPythonError> {
-        let declaration = dag
-            .python_clean_emission_spec()
-            .ok_or(EmitPythonError::MissingSpec("python_clean_emission"))?;
-        let decl = dag.declaration(declaration);
-        let fields = structural_fields(decl).ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "python_clean_emission must be a structural data item",
-        })?;
-        let pattern_bindings_value = fields
-            .iter()
-            .find(|(label, _)| label == "pattern_bindings")
-            .map(|(_, value)| value)
-            .ok_or(EmitPythonError::MalformedSpec {
-                declaration,
-                detail: "python_clean_emission is missing required `pattern_bindings` field",
-            })?;
-        let pattern_bindings =
-            parse_pattern_binding_rule(dag, pattern_bindings_value, declaration)?;
-        let variant_payload_field_access_value = fields
-            .iter()
-            .find(|(label, _)| label == "variant_payload_field_access")
-            .map(|(_, value)| value)
-            .ok_or(EmitPythonError::MalformedSpec {
-                declaration,
-                detail:
-                    "python_clean_emission is missing required `variant_payload_field_access` field",
-            })?;
-        let variant_payload_field_access = parse_variant_payload_field_access_rule(
-            dag,
-            variant_payload_field_access_value,
-            declaration,
-        )?;
-        Ok(Self {
-            pattern_bindings,
-            variant_payload_field_access,
-        })
-    }
-}
-
-/// Parse `python_clean_emission.pattern_bindings` via the typed
-/// `PatternBindingRuleVariants` cache on `Dag` (Lane 1 Stage 1c
-/// PR 2.5). NOT `named_variant_id` — the typed cache is the single
-/// authority that lets emit_rust / emit_go / emit_python share the
-/// same resolution path without each reconstructing the same fact.
-///
-/// Rejects every variant except `NotApplicablePatternBinding`: the
-/// other rules (`EmitBindingAlways` / `EmitUnderscoreWhenUnused` /
-/// `EmitPrefixedUnderscoreWhenUnused`) describe pattern-site
-/// binding elisions that emit_python has no pattern site to apply
-/// them to — the emitter substitutes an extraction expression at
-/// every port reference in the rendered arm body, so the binding
-/// identifier never appears in source by construction.
-fn parse_pattern_binding_rule(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<PatternBindingRuleBinding, EmitPythonError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "python_clean_emission.pattern_bindings must be a PatternBindingRule variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "PatternBindingRule variants must not carry payload fields",
-        });
-    }
-    let variants = dag.pattern_binding_rule_variants();
-    let emit_always = variants.emit_always.ok_or(EmitPythonError::MalformedSpec {
-        declaration,
-        detail: "PatternBindingRule.EmitBindingAlways declaration was not found",
-    })?;
-    let emit_underscore = variants
-        .emit_underscore
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "PatternBindingRule.EmitUnderscoreWhenUnused declaration was not found",
-        })?;
-    let emit_prefixed = variants
-        .emit_prefixed
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "PatternBindingRule.EmitPrefixedUnderscoreWhenUnused declaration was not found",
-        })?;
-    let not_applicable = variants
-        .not_applicable
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "PatternBindingRule.NotApplicablePatternBinding declaration was not found",
-        })?;
-    if *constructor == not_applicable {
-        Ok(PatternBindingRuleBinding::NotApplicable)
-    } else if *constructor == emit_always {
-        Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "python_clean_emission.pattern_bindings cannot use PatternBindingRule.EmitBindingAlways; Python only supports NotApplicablePatternBinding",
-        })
-    } else if *constructor == emit_underscore {
-        Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "python_clean_emission.pattern_bindings cannot use PatternBindingRule.EmitUnderscoreWhenUnused; Python only supports NotApplicablePatternBinding",
-        })
-    } else if *constructor == emit_prefixed {
-        Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "python_clean_emission.pattern_bindings cannot use PatternBindingRule.EmitPrefixedUnderscoreWhenUnused; Python only supports NotApplicablePatternBinding",
-        })
-    } else {
-        Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail:
-                "python_clean_emission.pattern_bindings constructor is not a known PatternBindingRule variant",
-        })
-    }
-}
-
-fn parse_variant_payload_field_access_rule(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<VariantPayloadFieldAccessRuleBinding, EmitPythonError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail:
-                "python_clean_emission.variant_payload_field_access must be a VariantPayloadFieldAccessRule variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "VariantPayloadFieldAccessRule variants must not carry payload fields",
-        });
-    }
-    let variants = dag.variant_payload_field_access_rule_variants();
-    let access_from_payload_binding =
-        variants
-            .access_from_payload_binding
-            .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail:
-                "VariantPayloadFieldAccessRule.AccessFromPayloadBinding declaration was not found",
-        })?;
-    let override_named_fields_at_binding_site = variants
-        .override_named_fields_at_binding_site
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "VariantPayloadFieldAccessRule.OverrideNamedFieldsAtBindingSite declaration was not found",
-        })?;
-    if *constructor == access_from_payload_binding {
-        Ok(VariantPayloadFieldAccessRuleBinding::AccessFromPayloadBinding)
-    } else if *constructor == override_named_fields_at_binding_site {
-        Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "python_clean_emission.variant_payload_field_access cannot use VariantPayloadFieldAccessRule.OverrideNamedFieldsAtBindingSite; Python requires AccessFromPayloadBinding for native match carriers",
-        })
-    } else {
-        Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "python_clean_emission.variant_payload_field_access constructor is not a known VariantPayloadFieldAccessRule variant",
-        })
-    }
-}
-
-pub(crate) fn emit_python_with_mode(
-    dag: &Dag,
-    mode: EmitPythonMode,
-) -> Result<String, EmitPythonError> {
-    let indexes = PythonIndexes::build(dag)?;
-    if indexes.target.memory != MemoryModelBinding::GarbageCollected {
-        return Err(EmitPythonError::Unsupported(format!(
-            "emit_python requires python_target.memory = GarbageCollected, found {:?}",
-            indexes.target.memory
-        )));
-    }
-    if indexes.target.scope != ScopeModelBinding::LexicalScoping {
-        return Err(EmitPythonError::Unsupported(format!(
-            "emit_python requires python_target.scope = LexicalScoping, found {:?}",
-            indexes.target.scope
-        )));
-    }
-    let type_decls: Vec<_> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| !indexes.source_filtering.excludes(&decl.span.file))
-        .filter(|decl| decl.name.is_some())
-        .filter(|decl| !super::substrate_result_type_decl_suppressed_for_emit(dag, decl))
-        .filter(|decl| !super::substrate_div_error_type_decl_suppressed_for_emit(dag, decl))
-        .filter(|decl| {
-            matches!(
-                decl.connective,
-                TypeConnective::Conj { .. } | TypeConnective::Disj { .. }
-            )
-        })
-        .collect();
-    let function_decls: Vec<_> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| !indexes.source_filtering.excludes(&decl.span.file))
-        .filter(|decl| decl.name.is_some())
-        .filter(|decl| {
-            !decl
-                .name
-                .as_deref()
-                .is_some_and(|name| name.starts_with("__anon_lambda_"))
-        })
-        .filter(|decl| {
-            matches!(
-                decl.connective,
-                TypeConnective::Arrow {
-                    body: ArrowBody::UserDefined(_),
-                    ..
-                }
-            )
-        })
-        .collect();
-    let top_level_binds = python_program_mode_top_level_value_binds(dag, &indexes);
-
-    if mode == EmitPythonMode::Program && top_level_binds.is_empty() {
-        return Err(EmitPythonError::Unsupported(
-            "emit_python requires at least one top-level value Bind".to_string(),
-        ));
-    }
-    if mode == EmitPythonMode::Module && !top_level_binds.is_empty() {
-        return Err(EmitPythonError::Unsupported(
-            "emit_python module mode does not support top-level value Binds".to_string(),
-        ));
-    }
-
-    let mut bound_names = HashMap::new();
-    for bind in &top_level_binds {
-        bound_names.insert(bind.value, bind.name.clone());
-    }
-    let ctx = Ctx {
-        dag,
-        indexes: &indexes,
-        bound_names: &bound_names,
-    };
-
-    let mut sections = vec![
-        "from __future__ import annotations".to_string(),
-        "from dataclasses import dataclass".to_string(),
-        "import enum".to_string(),
-        "import types".to_string(),
-        "import typing".to_string(),
-        format!(
-            "# ownership skipped: {:?} / {:?}",
-            indexes.target.memory, indexes.target.scope
-        ),
-        "__T = typing.TypeVar(\"__T\")".to_string(),
-        "__U = typing.TypeVar(\"__U\")".to_string(),
-        "def __v3_fold(items: list[typing.Any], init: typing.Any, fn: typing.Callable[[typing.Any, typing.Any], typing.Any]) -> typing.Any:\n    acc = init\n    for item in items:\n        acc = fn(acc, item)\n    return acc".to_string(),
-        "def __v3_unreachable(label: str) -> typing.NoReturn:\n    raise ValueError(label)".to_string(),
-    ];
-
-    let needs_int_div_prelude =
-        dag_needs_div_error_prelude(dag, &type_decls, &top_level_binds, &function_decls);
-    if let (true, Some(name)) = (
-        needs_int_div_prelude,
-        div_prelude_reserved_name_collision(
-            dag,
-            type_decls.iter(),
-            function_decls.iter(),
-            top_level_binds.iter(),
-            "__v3_idiv",
-        ),
-    ) {
-        return Err(EmitPythonError::Unsupported(format!(
-            "Python checked-division prelude would collide with user-defined `{name}`"
-        )));
-    }
-    for decl in type_decls {
-        sections.push(ctx.render_type_declaration(decl)?);
-    }
-    if needs_int_div_prelude {
-        // `std.error_primitives` is filtered out of `type_decls`; v3 `DivError` + checked `/` are
-        // prelude-only (names align with `python.dag` / `python_int_div` carrier for `__v3_idiv`).
-        //
-        // Dissolution trigger (M1 scaffold): delete when `dsl/std/error_primitives` emits through
-        // the normal type-decl path (no separate prelude strings).
-        //
-        // M2: gate on emitted `__v3_idiv(...)` (or equivalent) so division-free programs skip
-        // this block.
-        sections.push(
-            "class DivError(enum.IntEnum):\n    DivideByZero = 0\n    Overflow = 1".to_string(),
-        );
-        sections.push(
-            "def __v3_idiv(a: int, b: int) -> typing.Union[typing.Tuple[typing.Literal['Ok'], int], typing.Tuple[typing.Literal['Err'], DivError]]:\n    if b == 0:\n        return ('Err', DivError.DivideByZero)\n    if a == -2 ** 63 and b == -1:\n        return ('Err', DivError.Overflow)\n    q, r = divmod(a, b)\n    w = q + (1 if r != 0 and (a < 0) != (b < 0) else 0)\n    return ('Ok', w)".to_string(),
-        );
-    }
-    for decl in function_decls {
-        sections.push(ctx.render_function_declaration(decl)?);
-    }
-    if mode == EmitPythonMode::Program {
-        let mut assignments = Vec::new();
-        for bind in &top_level_binds {
-            assignments.push(format!(
-                "{} = {}",
-                bind.name,
-                ctx.render_top_level_value(bind.value)?
-            ));
-        }
-        let final_name = &top_level_binds.last().expect("guarded above").name;
-        let mut body = assignments.join("\n");
-        body.push_str(&format!("\nprint({final_name})"));
-        sections.push(format!(
-            "if __name__ == \"__main__\":\n{}",
-            indent(&body, 1)
-        ));
-    }
-
-    Ok(sections.join("\n\n"))
-}
-
-/// Top-level value `Bind` nodes that participate in Python program-mode emission, in `Dag::nodes`
-/// order. L5 uses this selector so `ForAllTargets` validates the declared observation against the
-/// same bind that emitted Python `__main__` prints.
-fn python_program_mode_top_level_value_binds<'a>(
-    dag: &'a Dag,
-    indexes: &PythonIndexes,
-) -> Vec<&'a BindNode> {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .filter(|bind| !indexes.source_filtering.excludes(&bind.span.file))
-        .filter(|bind| bind.params.is_empty())
-        .collect()
-}
-
-pub(crate) fn last_emit_python_program_top_level_value_bind_name(
-    dag: &Dag,
-) -> Result<Option<String>, EmitPythonError> {
-    let indexes = PythonIndexes::build(dag)?;
-    Ok(python_program_mode_top_level_value_binds(dag, &indexes)
-        .last()
-        .map(|b| b.name.clone()))
-}
-
-impl<'a> Ctx<'a> {
-    fn render_top_level_value(&self, port: PortId) -> Result<String, EmitPythonError> {
-        self.dispatch_producer(port, &RenderLocals::default())
-    }
-
-    fn render_port(&self, port: PortId, locals: &RenderLocals) -> Result<String, EmitPythonError> {
-        if let Some(name) = locals.names.get(&port) {
-            return Ok(name.clone());
-        }
-        if let Some(name) = locals
-            .payload_bindings
-            .get(&port)
-            .and_then(VariantPayloadBinding::direct)
-        {
-            return Ok(name.clone());
-        }
-        if let Some(name) = self.bound_names.get(&port) {
-            return Ok(name.clone());
-        }
-        self.dispatch_producer(port, locals)
-    }
-
-    fn dispatch_producer(
-        &self,
-        port: PortId,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        let Some(node_id) = self.dag.port(port).produced_by else {
-            return Err(EmitPythonError::Unsupported(
-                "render reached a port with no producer".to_string(),
-            ));
-        };
-        match self.dag.node(node_id) {
-            Behavior::Value(v) => Ok(render_value(v)),
-            Behavior::Transform(t) => self.render_transform(t, locals),
-            Behavior::Branch(b) => self.render_branch(b, locals),
-            Behavior::Loop(l) => self.render_loop(l, locals),
-            Behavior::Bind(b) => Ok(b.name.clone()),
-        }
-    }
-
-    fn render_transform(
-        &self,
-        t: &TransformNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        match &t.target {
-            TransformTarget::Operator(op) => self.render_operator(t, *op, locals),
-            TransformTarget::UnresolvedFieldProject { field_label } => {
-                Err(EmitPythonError::Unsupported(format!(
-                    "field projection .{field_label} is unresolved; emit_python expects post-infer FieldProject targets"
-                )))
-            }
-            TransformTarget::ResolvedFieldProject { field_label } => {
-                if let Some(binding) = locals
-                    .payload_bindings
-                    .get(&t.inputs[0])
-                    .and_then(|binding| binding.field(field_label))
-                {
-                    return Ok(binding.clone());
-                }
-                let object = self.render_port(t.inputs[0], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.field_access,
-                    &[("object", &object), ("field", field_label)],
-                ))
-            }
-            TransformTarget::Callable(target) => self.render_callable_transform(t, *target, locals),
-        }
-    }
-
-    fn render_operator(
-        &self,
-        t: &TransformNode,
-        op: OperatorKind,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        if t.inputs.len() != 2 {
-            return Err(EmitPythonError::Unsupported(format!(
-                "python emitter supports only binary operators, got arity {}",
-                t.inputs.len()
-            )));
-        }
-        let operand_type = primitive_type_id_for_port(self.dag, t.inputs[0])?;
-        let op_decl = algebra_field_for_operator(self.dag, operand_type, op)?;
-        let carrier = super::operator_carrier_realization(
-            &self.indexes.operators,
-            self.dag,
-            operand_type,
-            op_decl,
-        )
-        .ok_or(EmitPythonError::MissingOperatorRealization {
-            target: operand_type,
-            op: op_decl,
-        })?;
-        let lhs = self.render_port(t.inputs[0], locals)?;
-        let rhs = self.render_port(t.inputs[1], locals)?;
-        Ok(render_named_template(
-            carrier,
-            &[("lhs", &lhs), ("rhs", &rhs)],
-        ))
-    }
-
-    fn render_branch(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        if self.branch_scrutinee_is_bool(branch)? {
-            let (then_path, else_path) = self.split_bool_paths(branch)?;
-            let cond = self.render_port(branch.input, locals)?;
-            let then_expr = self.render_path_body(then_path, locals)?;
-            let else_expr = self.render_path_body(else_path, locals)?;
-            return Ok(format!("({then_expr} if {cond} else {else_expr})"));
-        }
-        if let Some(rendered) = self.render_realized_pattern_branch(branch, locals)? {
-            return Ok(rendered);
-        }
-        self.render_general_match(branch, locals)
-    }
-
-    fn render_realized_pattern_branch(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitPythonError> {
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, branch.input)?;
-        let Some(disj_id) = walk_to_disj(self.dag, scrutinee_type_id) else {
-            return Ok(None);
-        };
-        let Some(binding) = self.indexes.patterns.get(&disj_id) else {
-            return Ok(None);
-        };
-        self.render_vector_list_pattern_branch(branch, disj_id, binding, locals)
-            .map(Some)
-    }
-
-    fn render_vector_list_pattern_branch(
-        &self,
-        branch: &BranchNode,
-        _disj_id: DeclarationId,
-        binding: &PatternRealizationBinding,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        let empty_path = find_resolved_branch_path(branch, binding.empty_variant).ok_or_else(
-            || {
-                EmitPythonError::Unsupported(
-                    "vector-list pattern realization requires a branch arm for the declared empty_variant"
-                        .to_string(),
-                )
-            },
-        )?;
-        let cons_path = find_resolved_branch_path(branch, binding.cons_variant).ok_or_else(
-            || {
-                EmitPythonError::Unsupported(
-                    "vector-list pattern realization requires a branch arm for the declared cons_variant"
-                        .to_string(),
-                )
-            },
-        )?;
-        let scrutinee = self.render_port(branch.input, locals)?;
-        let empty_body = self.render_path_body(empty_path, locals)?;
-        let realized_scrutinee = render_named_template(&binding.scrutinee, &[("expr", &scrutinee)]);
-        let empty_predicate = render_named_template(&binding.empty_pattern, &[("expr", "__match")]);
-        let mut cons_locals = locals.clone();
-        if let Some(payload_binding) = &cons_path.binding {
-            let cons_expr = render_named_template(&binding.cons_pattern, &[("expr", "__match")]);
-            let head_expr = render_named_template(&binding.head_expr, &[("list", &cons_expr)]);
-            let tail_expr = render_named_template(&binding.tail_expr, &[("list", &cons_expr)]);
-            cons_locals.payload_bindings.insert(
-                payload_binding.payload_port,
-                VariantPayloadBinding::Direct(format!(
-                    "types.SimpleNamespace(head={head_expr}, tail={tail_expr})"
-                )),
-            );
-        }
-        let cons_body = self.render_port(cons_path.output, &cons_locals)?;
-        Ok(format!(
-            "(lambda __match: ({empty_body} if {empty_predicate} else {cons_body}))({realized_scrutinee})"
-        ))
-    }
-
-    fn render_general_match(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        let scrutinee = self.render_port(branch.input, locals)?;
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, branch.input)?;
-        let disj_id = walk_to_disj(self.dag, scrutinee_type_id).ok_or_else(|| {
-            EmitPythonError::Unsupported(format!(
-                "branch scrutinee {:?} does not walk to a disjunction",
-                scrutinee_type_id
-            ))
-        })?;
-        let is_optional = is_optional_match_disj(self.dag, disj_id);
-        let mut rendered = "__v3_unreachable(\"non-exhaustive match\")".to_string();
-        for path in branch.paths.iter().rev() {
-            let cond = self.render_branch_condition(disj_id, is_optional, path)?;
-            let body = self.render_branch_body_expr(is_optional, path, locals)?;
-            rendered = format!("({body} if {cond} else {rendered})");
-        }
-        Ok(format!("(lambda __match: {rendered})({scrutinee})"))
-    }
-
-    fn render_branch_condition(
-        &self,
-        disj_id: DeclarationId,
-        is_optional: bool,
-        path: &Path,
-    ) -> Result<String, EmitPythonError> {
-        let variant_id = resolved_pattern_id(path)?;
-        if is_optional {
-            let (none_variant, some_variant) = optional_match_variant_roles(self.dag, disj_id)
-                .map_err(|detail| EmitPythonError::Unsupported(detail.to_string()))?;
-            return Ok(if variant_id == none_variant {
-                "__match is None".to_string()
-            } else if variant_id == some_variant {
-                "__match is not None".to_string()
-            } else {
-                return Err(EmitPythonError::Unsupported(
-                    "optional match arm resolved to neither optional role".to_string(),
-                ));
-            });
-        }
-        let variant_name = runtime_variant_name_for_decl(self.dag, disj_id, variant_id)?;
-        Ok(format!("isinstance(__match, {variant_name})"))
-    }
-
-    /// E-5 / Lane 1 Stage 1c PR 3: dispatch on
-    /// `python_clean_emission.pattern_bindings`.
-    /// `NotApplicablePatternBinding` selects the substitute-at-
-    /// render-time path: for every payload-binding port we map it
-    /// to an extraction expression (`__match._0` / `__match`), so
-    /// the binding's identifier never appears in emitted Python at
-    /// a pattern site. If the arm body does not reference the
-    /// port, the substitution is never invoked and no dead
-    /// identifier leaks into the source — py_compile stays silent
-    /// by construction. Python-invalid contract variants are
-    /// rejected while building `CleanEmissionContractBinding`, so
-    /// the renderer only sees Python-valid states.
-    fn render_branch_body_expr(
-        &self,
-        is_optional: bool,
-        path: &Path,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        let mut arm_locals = locals.clone();
-        if let Some(binding) = &path.binding {
-            match self.indexes.clean_emission.pattern_bindings {
-                PatternBindingRuleBinding::NotApplicable => {
-                    if let Some(payload_binding) =
-                        self.render_variant_payload_binding(is_optional, path)?
-                    {
-                        arm_locals
-                            .payload_bindings
-                            .insert(binding.payload_port, payload_binding);
-                    }
-                }
-            }
-        }
-        self.render_port(path.output, &arm_locals)
-    }
-
-    fn render_variant_payload_binding(
-        &self,
-        is_optional: bool,
-        path: &Path,
-    ) -> Result<Option<VariantPayloadBinding<String>>, EmitPythonError> {
-        if is_optional {
-            return Ok(Some(VariantPayloadBinding::Direct("__match".to_string())));
-        }
-        let variant_id = resolved_pattern_id(path)?;
-        let shape = match variant_payload_shape(self.dag, &variant_id) {
-            VariantPayloadShapeLookup::DeclarationMissing => {
-                return Err(EmitPythonError::Unsupported(
-                    "variant payload references an absent declaration".to_string(),
-                ));
-            }
-            VariantPayloadShapeLookup::NotPayloadProduct => {
-                return Ok(Some(VariantPayloadBinding::Direct("__match".to_string())));
-            }
-            VariantPayloadShapeLookup::Found { _0: shape } => shape,
-        };
-        Ok(match shape {
-            VariantPayloadShape::Empty => None,
-            VariantPayloadShape::PositionalSingle => {
-                Some(VariantPayloadBinding::Direct("__match._0".to_string()))
-            }
-            VariantPayloadShape::NamedFields { _0: field_labels } => {
-                match self.indexes.clean_emission.variant_payload_field_access {
-                    VariantPayloadFieldAccessRuleBinding::AccessFromPayloadBinding => {
-                        Some(VariantPayloadBinding::Direct("__match".to_string()))
-                    }
-                    VariantPayloadFieldAccessRuleBinding::OverrideNamedFieldsAtBindingSite => {
-                        let fields = field_labels
-                            .into_iter()
-                            .map(|field_label| {
-                                (field_label.clone(), format!("__match.{field_label}"))
-                            })
-                            .collect();
-                        Some(VariantPayloadBinding::Fields(fields))
-                    }
-                }
-            }
-        })
-    }
-
-    fn render_path_body(
-        &self,
-        path: &Path,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        self.render_port(path.output, locals)
-    }
-
-    fn render_loop(
-        &self,
-        loop_node: &crate::dag::LoopNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        // Behavior::Loop has exactly two construction sites in lower.rs,
-        // both for recursive user functions:
-        //   1. Cardinality bound (lower.rs ~3631): single recursive fn with
-        //      descent-provable termination; bound.count = first param port.
-        //   2. Descent bound (lower.rs ~382): mutual-recursion cluster.
-        //
-        // In both cases `loop_node.body` is the root node of the function's
-        // body DAG, which already contains recursive self-calls to the same
-        // or mutually-recursive functions. Rendering the body node's result
-        // port preserves those calls. Python supports recursion natively, so
-        // the emitted expression is semantically correct without any iteration
-        // scaffolding. The `source`/`init`/`bound` fields encode the
-        // termination *proof*, not operational iteration state.
-        //
-        // Collection folds (fold/map/filter) route through callable
-        // realizations (__v3_fold etc.) and never reach Behavior::Loop.
-        // If a future IR change adds Loop for non-recursive collection
-        // iteration, this site must be updated to emit explicit iteration.
-        let body_port = super::behavior_result_port(self.dag.node(loop_node.body));
-        self.render_port(body_port, locals)
-    }
-
-    fn render_callable_transform(
-        &self,
-        t: &TransformNode,
-        target: DeclarationId,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        let (template, arguments) = callable_template(target, self.dag);
-        if let Some(strategy) = self.indexes.callables.get(&template) {
-            return self
-                .render_realized_callable(template, *strategy, &arguments, &t.inputs, locals);
-        }
-        self.render_general_callable(template, &t.inputs, locals)
-    }
-
-    fn render_realized_callable(
-        &self,
-        template: DeclarationId,
-        strategy: CallableStrategyBinding,
-        arguments: &[TemplateArgument],
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        match strategy {
-            CallableStrategyBinding::Empty => Ok(self.indexes.syntax.empty_list.clone()),
-            CallableStrategyBinding::Singleton => {
-                let value = self.render_port(inputs[0], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.list_literal,
-                    &[("elements", &value)],
-                ))
-            }
-            CallableStrategyBinding::Cons => {
-                let head = self.render_port(inputs[0], locals)?;
-                let tail = self.render_port(inputs[1], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.cons,
-                    &[("head", &head), ("tail", &tail)],
-                ))
-            }
-            CallableStrategyBinding::Concat => {
-                let left = self.render_port(inputs[0], locals)?;
-                let right = self.render_port(inputs[1], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.concat,
-                    &[("left", &left), ("right", &right)],
-                ))
-            }
-            CallableStrategyBinding::Length => {
-                let recv = self.render_port(inputs[0], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.length,
-                    &[("recv", &recv)],
-                ))
-            }
-            CallableStrategyBinding::IsEmpty => {
-                let recv = self.render_port(inputs[0], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.is_empty,
-                    &[("recv", &recv)],
-                ))
-            }
-            CallableStrategyBinding::Fold => {
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 2)?;
-                let acc = "__fold_acc".to_string();
-                let item = "__fold_item".to_string();
-                let body = self.render_closure(
-                    fn_decl,
-                    &[(acc.clone(), acc.clone()), (item.clone(), item.clone())],
-                    locals,
-                )?;
-                let recv = self.render_port(inputs[0], locals)?;
-                let init = self.render_port(inputs[1], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.fold,
-                    &[("recv", &recv), ("init", &init), ("body", &body)],
-                ))
-            }
-            CallableStrategyBinding::Map => {
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 1)?;
-                let item = "__map_item".to_string();
-                let body =
-                    self.render_callable_body(fn_decl, &[(item.clone(), item.clone())], locals)?;
-                let recv = self.render_port(inputs[0], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.map,
-                    &[("recv", &recv), ("item", &item), ("body", &body)],
-                ))
-            }
-            CallableStrategyBinding::Filter => {
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 1)?;
-                let item = "__filter_item".to_string();
-                let predicate =
-                    self.render_callable_body(fn_decl, &[(item.clone(), item.clone())], locals)?;
-                let recv = self.render_port(inputs[0], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.filter,
-                    &[
-                        ("recv", &recv),
-                        ("item", &item),
-                        ("item_push", &item),
-                        ("predicate", &predicate),
-                    ],
-                ))
-            }
-            CallableStrategyBinding::Contains => {
-                let recv = self.render_port(inputs[0], locals)?;
-                let item = self.render_port(inputs[1], locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.contains,
-                    &[("recv", &recv), ("item", &item)],
-                ))
-            }
-        }
-    }
-
-    fn render_general_callable(
-        &self,
-        template: DeclarationId,
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        if let Some(rendered) = self.render_variant_constructor(template, inputs, locals)? {
-            return Ok(rendered);
-        }
-        if let Some(rendered) = self.render_record_constructor(template, inputs, locals)? {
-            return Ok(rendered);
-        }
-        let func = self.dag.declaration(template).name.clone().ok_or_else(|| {
-            EmitPythonError::Unsupported(
-                "callable target is anonymous and cannot be rendered as a direct Python call"
-                    .to_string(),
-            )
-        })?;
-        let args = inputs
-            .iter()
-            .map(|port| self.render_port(*port, locals))
-            .collect::<Result<Vec<_>, _>>()?;
-        Ok(render_named_template(
-            &self.indexes.syntax.function_call,
-            &[("func", &func), ("args", &args.join(", "))],
-        ))
-    }
-
-    fn render_record_constructor(
-        &self,
-        template: DeclarationId,
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitPythonError> {
-        let decl = self.dag.declaration(template);
-        let Some(type_name) = &decl.name else {
-            return Ok(None);
-        };
-        let TypeConnective::Conj { children } = &decl.connective else {
-            return Ok(None);
-        };
-        let mut fields = Vec::new();
-        for (field, input) in children.iter().zip(inputs.iter()) {
-            fields.push(format!(
-                "{}={}",
-                field.label,
-                self.render_port(*input, locals)?
-            ));
-        }
-        Ok(Some(format!("{type_name}({})", fields.join(", "))))
-    }
-
-    fn render_variant_constructor(
-        &self,
-        template: DeclarationId,
-        inputs: &[PortId],
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitPythonError> {
-        let Some((enum_name, variant_name)) = variant_parent_info(self.dag, template) else {
-            return Ok(None);
-        };
-        let runtime_name = python_variant_class_name(&enum_name, &variant_name);
-        let TypeConnective::Conj { children } = &self.dag.declaration(template).connective else {
-            return Ok(None);
-        };
-        if children.is_empty() {
-            return Ok(Some(format!("{runtime_name}()")));
-        }
-        let payload_shape = match variant_payload_shape(self.dag, &template) {
-            VariantPayloadShapeLookup::DeclarationMissing => {
-                return Err(EmitPythonError::Unsupported(
-                    "variant constructor references an absent declaration".to_string(),
-                ));
-            }
-            VariantPayloadShapeLookup::NotPayloadProduct => return Ok(None),
-            VariantPayloadShapeLookup::Found { _0: shape } => shape,
-        };
-        if matches!(payload_shape, VariantPayloadShape::PositionalSingle) {
-            let [input] = inputs else {
-                return Err(EmitPythonError::Unsupported(
-                    "positional-single variant construction expects exactly one input".to_string(),
-                ));
-            };
-            let arg = self.render_port(*input, locals)?;
-            return Ok(Some(format!("{runtime_name}({arg})")));
-        }
-        let mut fields = Vec::new();
-        for (field, input) in children.iter().zip(inputs.iter()) {
-            fields.push(format!(
-                "{}={}",
-                field.label,
-                self.render_port(*input, locals)?
-            ));
-        }
-        Ok(Some(format!("{runtime_name}({})", fields.join(", "))))
-    }
-
-    fn render_callable_body(
-        &self,
-        callable_decl: DeclarationId,
-        param_bindings: &[(String, String)],
-        outer_locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        let TypeConnective::Arrow { inputs, body, .. } =
-            &self.dag.declaration(callable_decl).connective
-        else {
-            return Err(EmitPythonError::Unsupported(
-                "callable template binding did not resolve to an Arrow".to_string(),
-            ));
-        };
-        let ArrowBody::UserDefined(bind_id) = body else {
-            return Err(EmitPythonError::Unsupported(
-                "python emitter only supports user-defined callable bodies".to_string(),
-            ));
-        };
-        let bind = (*bind_id).bind(self.dag);
-        if bind.params.len() < inputs.len() {
-            return Err(EmitPythonError::Unsupported(
-                "callable bind parameter count does not match arrow inputs".to_string(),
-            ));
-        }
-        let capture_count = bind.params.len() - inputs.len();
-        let mut locals = RenderLocals::default();
-        for capture in bind.params.iter().copied().take(capture_count) {
-            locals
-                .names
-                .insert(capture, self.render_port(capture, outer_locals)?);
-        }
-        for (port, (_, name)) in bind
-            .params
-            .iter()
-            .copied()
-            .skip(capture_count)
-            .zip(param_bindings.iter())
-        {
-            locals.names.insert(port, name.clone());
-        }
-        self.render_port(bind.value, &locals)
-    }
-
-    fn render_closure(
-        &self,
-        callable_decl: DeclarationId,
-        param_bindings: &[(String, String)],
-        outer_locals: &RenderLocals,
-    ) -> Result<String, EmitPythonError> {
-        let body = self.render_callable_body(callable_decl, param_bindings, outer_locals)?;
-        let params = param_bindings
-            .iter()
-            .map(|(name, _)| name.clone())
-            .collect::<Vec<_>>()
-            .join(", ");
-        Ok(render_named_template(
-            &self.indexes.syntax.closure,
-            &[("params", &params), ("body", &body)],
-        ))
-    }
-
-    fn render_function_declaration(
-        &self,
-        declaration: &crate::dag::Declaration,
-    ) -> Result<String, EmitPythonError> {
-        let name = declaration.name.clone().ok_or_else(|| {
-            EmitPythonError::Unsupported(
-                "anonymous arrows cannot be emitted as Python functions".to_string(),
-            )
-        })?;
-        let TypeConnective::Arrow {
-            inputs,
-            output,
-            body,
-        } = &declaration.connective
-        else {
-            return Err(EmitPythonError::Unsupported(
-                "render_function_declaration expected Arrow".to_string(),
-            ));
-        };
-        if !declaration.type_params.is_empty() {
-            return Err(EmitPythonError::Unsupported(format!(
-                "generic function `{name}` is not yet supported by emit_python"
-            )));
-        }
-        let ArrowBody::UserDefined(bind_id) = body else {
-            return Err(EmitPythonError::Unsupported(
-                "emit_python only supports user-defined function bodies".to_string(),
-            ));
-        };
-        let bind = (*bind_id).bind(self.dag);
-        let mut locals = RenderLocals::default();
-        let mut params = Vec::new();
-        for (idx, port) in bind.params.iter().enumerate() {
-            let param_name = format!("p{idx}");
-            locals.names.insert(*port, param_name.clone());
-            let ty = self.python_type_name_for_port(*port)?;
-            params.push(format!("{param_name}: {ty}"));
-        }
-        if bind.params.len() != inputs.len() {
-            return Err(EmitPythonError::Unsupported(
-                "function bind parameter count does not match arrow inputs".to_string(),
-            ));
-        }
-        let ret = self.python_type_name_for_decl(*output)?;
-        let body_expr = self.render_port(bind.value, &locals)?;
-        Ok(format!(
-            "def {name}({}) -> {ret}:\n    return {body_expr}",
-            params.join(", ")
-        ))
-    }
-
-    fn render_type_declaration(
-        &self,
-        declaration: &crate::dag::Declaration,
-    ) -> Result<String, EmitPythonError> {
-        let name = declaration.name.clone().ok_or_else(|| {
-            EmitPythonError::Unsupported(
-                "anonymous type declarations cannot be emitted".to_string(),
-            )
-        })?;
-        match &declaration.connective {
-            TypeConnective::Conj { children } => {
-                if children.is_empty() {
-                    return Ok(format!("@dataclass\nclass {name}:\n    pass"));
-                }
-                let mut lines = vec!["@dataclass".to_string(), format!("class {name}:")];
-                for child in children {
-                    lines.push(format!(
-                        "    {}: {}",
-                        child.label,
-                        self.python_type_name_for_decl(child.ty)?
-                    ));
-                }
-                Ok(lines.join("\n"))
-            }
-            TypeConnective::Disj { variants } => {
-                let mut blocks = vec![format!("class {name}:\n    pass")];
-                for variant in variants {
-                    blocks.push(self.render_enum_variant(name.as_str(), variant)?);
-                }
-                Ok(blocks.join("\n\n"))
-            }
-            _ => Err(EmitPythonError::Unsupported(format!(
-                "type declaration `{name}` does not lower to a record or sum shape"
-            ))),
-        }
-    }
-
-    fn render_enum_variant(
-        &self,
-        enum_name: &str,
-        variant: &Field,
-    ) -> Result<String, EmitPythonError> {
-        let variant_decl = self.dag.declaration(variant.ty);
-        let TypeConnective::Conj { children } = &variant_decl.connective else {
-            return Err(EmitPythonError::Unsupported(format!(
-                "enum variant `{}` does not lower to a product declaration",
-                variant.label
-            )));
-        };
-        let runtime_name = python_variant_class_name(enum_name, &variant.label);
-        let mut lines = vec![
-            "@dataclass".to_string(),
-            format!("class {runtime_name}({enum_name}):"),
-        ];
-        if children.is_empty() {
-            lines.push("    pass".to_string());
-            return Ok(lines.join("\n"));
-        }
-        for child in children {
-            lines.push(format!(
-                "    {}: {}",
-                child.label,
-                self.python_type_name_for_decl(child.ty)?
-            ));
-        }
-        Ok(lines.join("\n"))
-    }
-
-    fn python_type_name_for_port(&self, port: PortId) -> Result<String, EmitPythonError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitPythonError::UntypedPort(port))?;
-        self.python_type_name_for_decl(ty.declaration)
-    }
-
-    fn python_type_name_for_decl(
-        &self,
-        declaration: DeclarationId,
-    ) -> Result<String, EmitPythonError> {
-        self.python_type_name_for_decl_at_depth(declaration, 0)
-    }
-
-    fn python_type_name_for_decl_at_depth(
-        &self,
-        declaration: DeclarationId,
-        depth: usize,
-    ) -> Result<String, EmitPythonError> {
-        if depth >= 32 {
-            return Err(EmitPythonError::Unsupported(
-                "type-name rendering exceeded depth 32".to_string(),
-            ));
-        }
-        if let Some(binding) = self.indexes.types.get(&declaration) {
-            return Ok(binding.clone());
-        }
-        let decl = self.dag.declaration(declaration);
-        if let Some(name) = &decl.name {
-            return Ok(name.clone());
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                let carrier = self
-                    .indexes
-                    .type_instantiations
-                    .get(template)
-                    .ok_or(EmitPythonError::MissingTypeRealization { target: *template })?;
-                match arguments.as_slice() {
-                    [element] => {
-                        let element_name =
-                            self.python_type_name_for_decl_at_depth(element.value, depth + 1)?;
-                        Ok(render_named_template(
-                            carrier,
-                            &[("element", &element_name)],
-                        ))
-                    }
-                    [key, value] => {
-                        let key_name =
-                            self.python_type_name_for_decl_at_depth(key.value, depth + 1)?;
-                        let value_name =
-                            self.python_type_name_for_decl_at_depth(value.value, depth + 1)?;
-                        Ok(render_named_template(
-                            carrier,
-                            &[("key", &key_name), ("value", &value_name)],
-                        ))
-                    }
-                    [key, value, extra] => {
-                        let key_name =
-                            self.python_type_name_for_decl_at_depth(key.value, depth + 1)?;
-                        let value_name =
-                            self.python_type_name_for_decl_at_depth(value.value, depth + 1)?;
-                        let extra_name =
-                            self.python_type_name_for_decl_at_depth(extra.value, depth + 1)?;
-                        Ok(render_named_template(
-                            carrier,
-                            &[
-                                ("key", &key_name),
-                                ("value", &value_name),
-                                ("extra", &extra_name),
-                            ],
-                        ))
-                    }
-                    _ => Err(EmitPythonError::Unsupported(
-                        "python type instantiation supports arities 1, 2, and 3".to_string(),
-                    )),
-                }
-            }
-            TypeConnective::Cardinality(p)
-                if p.bound() == crate::dag::CardinalityBound::AtMostOne =>
-            {
-                let inner = self.python_type_name_for_decl_at_depth(p.element(), depth + 1)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.optional,
-                    &[("element", &inner)],
-                ))
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.python_type_name_for_decl_at_depth(*next, depth + 1)
-            }
-            _ => Err(EmitPythonError::MissingTypeRealization {
-                target: declaration,
-            }),
-        }
-    }
-
-    fn branch_scrutinee_is_bool(&self, branch: &BranchNode) -> Result<bool, EmitPythonError> {
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, branch.input)?;
-        let Some(bool_shape) = self.dag.bool_shape() else {
-            return Ok(false);
-        };
-        Ok(walk_to_disj(self.dag, scrutinee_type_id)
-            .zip(walk_to_disj(self.dag, bool_shape.declaration))
-            .is_some_and(|(left, right)| left == right))
-    }
-
-    fn split_bool_paths<'p>(
-        &self,
-        branch: &'p BranchNode,
-    ) -> Result<(&'p Path, &'p Path), EmitPythonError> {
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, branch.input)?;
-        let disj_id = walk_to_disj(self.dag, scrutinee_type_id).ok_or_else(|| {
-            EmitPythonError::Unsupported(
-                "bool branch scrutinee does not walk to a Disj".to_string(),
-            )
-        })?;
-        let TypeConnective::Disj { variants } = &self.dag.declaration(disj_id).connective else {
-            unreachable!("walk_to_disj returned non-Disj")
-        };
-        if variants.len() != 2 {
-            return Err(EmitPythonError::Unsupported(
-                "bool branch must have exactly two variants".to_string(),
-            ));
-        }
-        let true_variant = variants[0].ty;
-        let false_variant = variants[1].ty;
-        let then_path = find_resolved_branch_path(branch, true_variant)
-            .ok_or_else(|| EmitPythonError::Unsupported("missing True branch arm".to_string()))?;
-        let else_path = find_resolved_branch_path(branch, false_variant)
-            .ok_or_else(|| EmitPythonError::Unsupported("missing False branch arm".to_string()))?;
-        Ok((then_path, else_path))
-    }
-}
-
-fn render_value(v: &crate::dag::ValueNode) -> String {
-    match &v.data {
-        LiteralBits::Int(decimal) => decimal.clone(),
-        LiteralBits::Bool(true) => "True".to_string(),
-        LiteralBits::Bool(false) => "False".to_string(),
-        LiteralBits::String(s) | LiteralBits::Symbol(s) => format!("{:?}", s),
-    }
-}
-
-fn parse_callable_strategy(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<CallableStrategyBinding, EmitPythonError> {
-    let (constructor, payload) = variant_field(fields, "strategy", declaration)?;
-    if !payload.is_empty() {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "CallableStrategy variants must not carry payload",
-        });
-    }
-    let variants = dag.callable_strategy_variants();
-    let strategies = [
-        (variants.list_empty, CallableStrategyBinding::Empty),
-        (variants.list_singleton, CallableStrategyBinding::Singleton),
-        (variants.list_cons, CallableStrategyBinding::Cons),
-        (variants.list_concat, CallableStrategyBinding::Concat),
-        (variants.list_length, CallableStrategyBinding::Length),
-        (variants.list_is_empty, CallableStrategyBinding::IsEmpty),
-        (variants.list_fold, CallableStrategyBinding::Fold),
-        (variants.list_map, CallableStrategyBinding::Map),
-        (variants.list_filter, CallableStrategyBinding::Filter),
-        (variants.list_contains, CallableStrategyBinding::Contains),
-    ];
-    for (variant_id, strategy) in strategies {
-        let Some(variant_id) = variant_id else {
-            return Err(EmitPythonError::MalformedSpec {
-                declaration,
-                detail: "CallableStrategy variant declaration was not found",
-            });
-        };
-        if constructor == variant_id {
-            return Ok(strategy);
-        }
-    }
-    Err(EmitPythonError::MalformedSpec {
-        declaration,
-        detail: "unsupported CallableStrategy variant",
-    })
-}
-
-/// Structural boundary check for `PatternRealization.empty_variant` /
-/// `cons_variant`. Mirrors `rust_target::validate_pattern_roles` — see
-/// that comment for rationale. Rejects spec data where the typed
-/// `DeclarationRef`s point outside `target`'s variants.
-fn validate_pattern_roles(
-    dag: &Dag,
-    target: DeclarationId,
-    binding: &PatternRealizationBinding,
-    declaration: DeclarationId,
-) -> Result<(), EmitPythonError> {
-    let disj_id = walk_to_disj(dag, target).ok_or(EmitPythonError::MalformedSpec {
-        declaration,
-        detail:
-            "PatternRealization.target must resolve to a Disj — empty_variant / cons_variant have no target to range over otherwise",
-    })?;
-    let TypeConnective::Disj { variants } = &dag.declaration(disj_id).connective else {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "walk_to_disj returned a non-Disj declaration (internal invariant violation)",
-        });
-    };
-    if !variants.iter().any(|v| v.ty == binding.empty_variant) {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail:
-                "PatternRealization.empty_variant must be a variant of `target` — structural boundary check rejects unrelated DeclarationRefs",
-        });
-    }
-    if !variants.iter().any(|v| v.ty == binding.cons_variant) {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail:
-                "PatternRealization.cons_variant must be a variant of `target` — structural boundary check rejects unrelated DeclarationRefs",
-        });
-    }
-    if binding.empty_variant == binding.cons_variant {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail:
-                "PatternRealization.empty_variant and cons_variant must be distinct variants of `target`",
-        });
-    }
-    Ok(())
-}
-
-fn parse_pattern_realization(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<PatternRealizationBinding, EmitPythonError> {
-    let strategy = fields
-        .iter()
-        .find(|(label, _)| label == "strategy")
-        .map(|(_, value)| value)
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "PatternRealization is missing required `strategy` field",
-        })?;
-    match parse_pattern_strategy(dag, strategy) {
-        Ok(PatternStrategyBinding::VectorList) => {}
-        Err(detail) => {
-            return Err(EmitPythonError::MalformedSpec {
-                declaration,
-                detail,
-            });
-        }
-    }
-    Ok(PatternRealizationBinding {
-        empty_variant: require_field_decl_ref(fields, "empty_variant", declaration)?,
-        cons_variant: require_field_decl_ref(fields, "cons_variant", declaration)?,
-        scrutinee: require_field_string(fields, "scrutinee", declaration)?,
-        empty_pattern: require_field_string(fields, "empty_pattern", declaration)?,
-        cons_pattern: require_field_string(fields, "cons_pattern", declaration)?,
-        head_expr: require_field_string(fields, "head_expr", declaration)?,
-        tail_expr: require_field_string(fields, "tail_expr", declaration)?,
-    })
-}
-
-fn method_contract_single_emit_template_string(
-    dag: &Dag,
-    contract_decl: DeclarationId,
-) -> Result<String, EmitPythonError> {
-    let fields = structural_fields_for_decl(dag, contract_decl)?;
-    let emit_value = fields
-        .iter()
-        .find(|(label, _)| label == "emit_template")
-        .map(|(_, v)| v)
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration: contract_decl,
-            detail: "MethodTemplateContract missing emit_template field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        ref payload,
-    } = emit_value
-    else {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration: contract_decl,
-            detail: "MethodTemplateContract.emit_template must be a sum variant",
-        });
-    };
-    let ctor_name = method_emit_template_variant_label(dag, *constructor)
-        .ok_or(EmitPythonError::MalformedSpec {
-        declaration: contract_decl,
-        detail:
-            "MethodTemplateContract.emit_template variant not found under MethodEmitTemplate disj",
-    })?;
-    if ctor_name != "SingleTemplate" {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration: contract_decl,
-            detail: "CollectionOps MethodTemplateContract must use MethodEmitTemplate.SingleTemplate today",
-        });
-    }
-    let [FieldValue::Literal(LiteralBits::String(template))] = payload.as_slice() else {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration: contract_decl,
-            detail: "SingleTemplate must carry exactly one string template payload",
-        });
-    };
-    Ok(template.clone())
-}
-
-fn structural_fields_for_decl(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<&[(String, FieldValue)], EmitPythonError> {
-    structural_fields(dag.declaration(declaration)).ok_or(EmitPythonError::MalformedSpec {
-        declaration,
-        detail: "named Python spec entry must be a structural data item",
-    })
-}
-
-fn structural_fields(decl: &crate::dag::Declaration) -> Option<&[(String, FieldValue)]> {
-    match &decl.value_body {
-        Some(crate::dag::ValueBody::Structural { fields }) => Some(fields),
-        _ => None,
-    }
-}
-
-fn require_field_decl_ref(
-    fields: &[(String, FieldValue)],
-    name: &str,
-    declaration: DeclarationId,
-) -> Result<DeclarationId, EmitPythonError> {
-    fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .and_then(|(_, value)| match value {
-            FieldValue::Reference(target) => Some(*target),
-            _ => None,
-        })
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "required declaration-ref field missing or malformed",
-        })
-}
-
-fn require_field_string(
-    fields: &[(String, FieldValue)],
-    name: &str,
-    declaration: DeclarationId,
-) -> Result<String, EmitPythonError> {
-    fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::String(value)) => Some(value.clone()),
-            _ => None,
-        })
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "required string field missing or malformed",
-        })
-}
-
-fn variant_field<'a>(
-    fields: &'a [(String, FieldValue)],
-    name: &str,
-    declaration: DeclarationId,
-) -> Result<(DeclarationId, &'a [FieldValue]), EmitPythonError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .map(|(_, value)| value)
-        .ok_or(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "required variant field missing",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "required field must be a variant",
-        });
-    };
-    Ok((*constructor, payload))
-}
-
-/// Parse the `memory` field of a TargetExecutionModel into a typed
-/// MemoryModelBinding. Mirrors emit_go::require_memory_model — keeps
-/// the closed sum closed instead of demoting it to a string.
-fn require_memory_model(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<MemoryModelBinding, EmitPythonError> {
-    let (constructor, payload) = variant_field(fields, "memory", declaration)?;
-    if !payload.is_empty() {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "MemoryModel variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let memory_variants = [
-        (
-            variants.memory_model.value_only,
-            MemoryModelBinding::ValueOnly,
-        ),
-        (
-            variants.memory_model.garbage_collected,
-            MemoryModelBinding::GarbageCollected,
-        ),
-        (
-            variants.memory_model.ref_counted,
-            MemoryModelBinding::RefCounted,
-        ),
-        (
-            variants.memory_model.ownership_based,
-            MemoryModelBinding::OwnershipBased,
-        ),
-    ];
-    for (variant_id, binding) in memory_variants {
-        let variant_id = variant_id.ok_or(EmitPythonError::MissingMeta("MemoryModel variant"))?;
-        if constructor == variant_id {
-            return Ok(binding);
-        }
-    }
-    Err(EmitPythonError::MalformedSpec {
-        declaration,
-        detail:
-            "TargetExecutionModel.memory must be ValueOnly/GarbageCollected/RefCounted/OwnershipBased",
-    })
-}
-
-/// Parse the `scope` field of a TargetExecutionModel. Mirrors
-/// emit_go::require_scope_model.
-fn require_scope_model(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<ScopeModelBinding, EmitPythonError> {
-    let (constructor, payload) = variant_field(fields, "scope", declaration)?;
-    if !payload.is_empty() {
-        return Err(EmitPythonError::MalformedSpec {
-            declaration,
-            detail: "ScopeModel variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let scope_variants = [
-        (
-            variants.scope_model.lexical_scoping,
-            ScopeModelBinding::LexicalScoping,
-        ),
-        (
-            variants.scope_model.dynamic_scoping,
-            ScopeModelBinding::DynamicScoping,
-        ),
-    ];
-    for (variant_id, binding) in scope_variants {
-        let variant_id = variant_id.ok_or(EmitPythonError::MissingMeta("ScopeModel variant"))?;
-        if constructor == variant_id {
-            return Ok(binding);
-        }
-    }
-    Err(EmitPythonError::MalformedSpec {
-        declaration,
-        detail: "TargetExecutionModel.scope must be LexicalScoping/DynamicScoping",
-    })
-}
-
-fn render_named_template(template: &str, bindings: &[(&str, &str)]) -> String {
-    let mut rendered = template.to_string();
-    for (name, value) in bindings {
-        rendered = rendered.replace(&format!("{{{name}}}"), value);
-    }
-    rendered
-}
-
-fn indent(source: &str, level: usize) -> String {
-    let prefix = "    ".repeat(level);
-    source
-        .lines()
-        .map(|line| {
-            if line.is_empty() {
-                line.to_string()
-            } else {
-                format!("{prefix}{line}")
-            }
-        })
-        .collect::<Vec<_>>()
-        .join("\n")
-}
-
-fn primitive_type_id_for_port(dag: &Dag, port: PortId) -> Result<DeclarationId, EmitPythonError> {
-    primitive_type_id_for_port_shared(dag, port).map_err(|err| match err {
-        SharedEmitLookupError::UntypedPort(port) => EmitPythonError::UntypedPort(port),
-        SharedEmitLookupError::Unsupported(detail) => {
-            // Preserve the pre-consolidation Python diagnostic wording while the
-            // target still owns its public error strings.
-            EmitPythonError::Unsupported(detail.replace(" — likely a cycle", ""))
-        }
-    })
-}
-
-fn is_optional_match_disj(dag: &Dag, disj_id: DeclarationId) -> bool {
-    dag.declarations()
-        .iter()
-        .filter_map(|decl| dag.optional_match_disj(decl.id))
-        .any(|optional_disj| optional_disj == disj_id)
-}
-
-/// Resolve the algebra-field declaration id for a given operand
-/// type and `OperatorKind`. Walks the operand type's instantiation
-/// chain to its algebra Conj (e.g. Int → ... → OrderedRing instance),
-/// then finds the field whose label matches the operator's algebra
-/// field name. Returns the field's child declaration id, which the
-/// python.dag `op: OrderedRing.add` reference also resolves to via
-/// the dotted-path lowering. Mirrors emit_rust::algebra_field_for_operator.
-fn algebra_field_for_operator(
-    dag: &Dag,
-    operand_type_id: DeclarationId,
-    op: OperatorKind,
-) -> Result<DeclarationId, EmitPythonError> {
-    algebra_field_for_operator_shared(dag, operand_type_id, op).map_err(|err| match err {
-        SharedEmitLookupError::UntypedPort(port) => EmitPythonError::UntypedPort(port),
-        // Preserve the pre-consolidation Python diagnostic wording while the
-        // target still owns its public error strings.
-        SharedEmitLookupError::Unsupported(detail) => EmitPythonError::Unsupported(
-            detail
-                .replace("the canonical `OrderedRing`", "canonical OrderedRing")
-                .replace(
-                    "`OrderedRing` does not lower to a Conj declaration",
-                    "OrderedRing did not lower to a Conj",
-                )
-                .replace(
-                    "`OrderedRing` has no canonical field labeled",
-                    "OrderedRing has no canonical field labeled",
-                ),
-        ),
-    })
-}
-
-fn variant_name_for_decl(
-    dag: &Dag,
-    disj_id: DeclarationId,
-    variant_id: DeclarationId,
-) -> Result<String, EmitPythonError> {
-    let TypeConnective::Disj { variants } = &dag.declaration(disj_id).connective else {
-        unreachable!("variant_name_for_decl requires a disjunction")
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == variant_id)
-        .map(|variant| variant.label.clone())
-        .ok_or_else(|| {
-            EmitPythonError::Unsupported(
-                "variant id not found under parent disjunction".to_string(),
-            )
-        })
-}
-
-fn runtime_variant_name_for_decl(
-    dag: &Dag,
-    disj_id: DeclarationId,
-    variant_id: DeclarationId,
-) -> Result<String, EmitPythonError> {
-    let variant_name = variant_name_for_decl(dag, disj_id, variant_id)?;
-    Ok(dag
-        .declaration(disj_id)
-        .name
-        .as_deref()
-        .map(|enum_name| python_variant_class_name(enum_name, &variant_name))
-        .unwrap_or(variant_name))
-}
-
-fn variant_parent_info(dag: &Dag, variant_id: DeclarationId) -> Option<(String, String)> {
-    dag.declarations().iter().find_map(|decl| {
-        let enum_name = decl.name.as_ref()?;
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return None;
-        };
-        variants
-            .iter()
-            .find(|variant| variant.ty == variant_id)
-            .map(|variant| (enum_name.clone(), variant.label.clone()))
-    })
-}
-
-fn python_variant_class_name(enum_name: &str, variant_name: &str) -> String {
-    format!("{enum_name}_{variant_name}")
-}
-
-fn callable_template(target: DeclarationId, dag: &Dag) -> (DeclarationId, Vec<TemplateArgument>) {
-    match &dag.declaration(target).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => (*template, arguments.clone()),
-        _ => (target, Vec::new()),
-    }
-}
-
-fn bound_callable_argument(
-    dag: &Dag,
-    template: DeclarationId,
-    arguments: &[TemplateArgument],
-    input_index: usize,
-) -> Result<DeclarationId, EmitPythonError> {
-    let TypeConnective::Arrow { inputs, .. } = &dag.declaration(template).connective else {
-        return Err(EmitPythonError::Unsupported(
-            "realized callable template did not resolve to an Arrow".to_string(),
-        ));
-    };
-    let Some(param_decl) = inputs.get(input_index).copied() else {
-        return Err(EmitPythonError::Unsupported(
-            "realized callable slot is missing from the template declaration".to_string(),
-        ));
-    };
-    arguments
-        .iter()
-        .find(|arg| arg.parameter == param_decl)
-        .map(|arg| arg.value)
-        .ok_or_else(|| {
-            EmitPythonError::Unsupported(
-                "callable argument did not bind through template instantiation".to_string(),
-            )
-        })
-}
-
-fn find_resolved_branch_path(branch: &BranchNode, variant_id: DeclarationId) -> Option<&Path> {
-    branch.paths.iter().find(|path| match &path.pattern {
-        BranchPattern::ResolvedVariant(id) => *id == variant_id,
-        BranchPattern::UnresolvedVariant { .. } => false,
-    })
-}
-
-fn resolved_pattern_id(path: &Path) -> Result<DeclarationId, EmitPythonError> {
-    match &path.pattern {
-        BranchPattern::ResolvedVariant(id) => Ok(*id),
-        BranchPattern::UnresolvedVariant { name, .. } => {
-            Err(EmitPythonError::UnresolvedBranchPattern {
-                variant_name: name.clone(),
-            })
-        }
-    }
-}
diff --git a/src/v3/compiler/src/emit/rust_target.rs b/src/v3/compiler/src/emit/rust_target.rs
deleted file mode 100644
index 7bbaf09600c..00000000000
--- a/src/v3/compiler/src/emit/rust_target.rs
+++ /dev/null
@@ -1,6996 +0,0 @@
-// M1(3) PR-B-unwind — Rust emitter with typed declaration dispatch.
-//
-// **What changed from the initial PR-B cut.** The original
-// `emit_rust.rs` built a `HashMap<(String, String), String>` from
-// rust.dag's name-style string fields and dispatched via
-// `index.lookup(...)` calls keyed on canonical primitive names.
-// Every dispatch site embedded a Rust string literal naming a
-// substrate concept. That pattern was the M1(2.7) name-bridge
-// regression the
-// review loop spent fourteen rounds eliminating from the inference
-// layer, just at the emit layer. The unwind reshapes both ends:
-//
-//   - rust.dag carries typed `DeclarationRef` field references via
-//     identifier and dotted-path values resolved at lower time.
-//   - emit_rust.rs builds typed indexes keyed by
-//     `DeclarationId` and tuples thereof. Lookups read declaration
-//     ids straight off ports / nodes / substrate markers; zero
-//     name strings cross the substrate/emitter boundary.
-//
-// The end-to-end success criterion is unchanged:
-//   compile_to_dag("let x: Int = 1 + 2") → emit_rust → rustc → "3"
-//
-// Scope at PR-B (unchanged):
-//   - Value literals (Int, Bool, String)
-//   - Arithmetic + comparison operators on Int
-//   - if/else branches (as Rust if-expressions)
-//   - Top-level value Binds (as let statements)
-//   - Outer fn main wrapper
-//   - Narrow staged-std list helpers used by Prereq 4 fixtures:
-//     `empty`, `singleton`, `cons`, `fold`, `map`, `filter`
-//
-// Out of scope (follow-up work, tracked in DOWNSTREAM_REQUIREMENTS):
-//   - User-defined functions (Bind with non-empty params)
-//   - Loops
-//   - General TransformTarget::Callable dispatch
-//   - Record / enum construction
-//
-// Template placeholders the substitution engine recognizes (see
-// src/v3/spec/rust.dag for the authoritative list):
-//   {name}  Bind name           {cond}  branch condition
-//   {type}  Rust type name      {then}  then-arm body
-//   {value} bind value expr     {else}  else-arm body
-//   {body}  list of lets        {quote} literal double-quote
-//   {final} final bind's name
-
-use std::collections::{HashMap, HashSet};
-
-use super::{
-    algebra_field_for_operator_shared,
-    collection_ops_method_contract::{
-        method_template_contract_decl_emit_template, MethodTemplateContractEmitTemplate,
-    },
-    dag_needs_div_error_prelude, div_prelude_reserved_name_collision, parse_pattern_strategy,
-    primitive_type_id_for_port_shared, walk_to_disj, EmitMode, PatternStrategyBinding,
-    SharedEmitLookupError, SourceFilteringBinding, VariantPayloadBinding,
-    VariantPayloadFieldAccessRuleBinding,
-};
-use crate::dag::{
-    ArrowBody, AtomPayload, Behavior, BindNode, BranchNode, BranchPattern, Dag, DeclarationId,
-    Field, FieldValue, LiteralBits, LoopNode, Path, PortId, TemplateArgument, TransformNode,
-    TransformTarget, TypeConnective, ValueBody, ValueNode,
-};
-use crate::operators::OperatorKind;
-use crate::variant_payload::{
-    variant_payload_shape, VariantPayloadShape, VariantPayloadShapeLookup,
-};
-
-/// Errors the Rust emitter surfaces when the DAG reaches a shape it
-/// cannot render under the PR-B scope. Each variant names a specific
-/// structural cause — no catch-all `Unknown` — so consumers can
-/// classify the failure against `src/v3/spec/rust.dag`'s
-/// coverage.
-///
-/// **Dissolution receipt — 🟢 TERMINAL.** Eleven variants, each
-/// classifying a structurally distinct failure mode at a different
-/// boundary in the emitter pipeline. The variants partition into
-/// four categories:
-///
-///   1. **Realization-table gaps** (`MissingTypeRealization`,
-///      `MissingOperatorRealization`, `MissingBehaviorRealization`):
-///      the declaration the DAG references has no matching
-///      realization in `src/v3/spec/rust.dag`. Each payload is a
-///      typed `DeclarationId` (no string keys) so the caller can
-///      pinpoint which declaration is uncovered.
-///
-///   2. **Spec consistency failures** (`MissingRealizationMeta`,
-///      `MalformedRealization`, `DuplicateRealization`): the
-///      per-target spec file (rust.dag) is internally inconsistent
-///      — missing meta-types, malformed realization records, or
-///      duplicate keys. These are spec-side bugs that
-///      `RealizationIndexes::build` fail-closes on at index
-///      construction time. The pre-unwind shape silently dropped
-///      malformed entries and silently overwrote duplicate keys;
-///      the explicit variants are the fail-closed counterpart.
-///
-///   3. **Substrate-side bugs** (`MissingSubstrateMarker`,
-///      `UntypedPort`, `UnresolvedBranchPattern`): the substrate
-///      handed the emitter a state inference should have driven
-///      to a terminal form. Reaching any of these is a bug in
-///      bootstrap, infer, or lowering — not a target-language
-///      coverage issue.
-///
-///   4. **Out-of-scope DAG shapes** (`UnsupportedBehavior`,
-///      `NonBooleanBranch`): the DAG carries a structurally valid
-///      shape that PR-B's emit scope doesn't cover yet (Loop,
-///      Callable, non-Bool branches). Each is a follow-up boundary,
-///      not a substrate gap.
-///
-/// 4-pattern check:
-/// - **Pattern 1 (fact placement)**: fails. Each variant has a
-///   structurally distinct payload: typed `DeclarationId` values
-///   for realization-table gaps, a typed `SubstrateMarkerRole`
-///   tag for marker absence, a `PortId` for untyped ports, a
-///   string-named variant for unresolved branch patterns. Each
-///   payload type lives at a different boundary.
-/// - **Pattern 2 (variant-is-data)**: fails. Different payload
-///   types per variant; no unified record shape.
-/// - **Pattern 3 (algebraic form)**: fails. The eight variants do
-///   not factor into a smaller algebra — the three categories
-///   above are descriptive groupings, not algebraic dimensions.
-/// - **Pattern 4 (dimensional)**: fails. No shared coordinate
-///   space across the eight failure modes.
-///
-/// Verdict: **🟢 TERMINAL** at PR-B-unwind scope. Future emit
-/// extensions (Callable dispatch, Loop emission, multi-target
-/// emission shared across emit_rust/emit_go/emit_python) may add
-/// new variants, each with its own substrate-extension audit per
-/// `M1_DESIGN.md` §8.10. The three categories above are stable;
-/// new variants slot into the appropriate one.
-///
-/// **`UnsupportedBehavior(String)` payload note.** The string
-/// payload is a human-readable description of which shape was
-/// hit, not a dispatch key. Callers do not match on the string;
-/// they match on the variant tag and treat the string as
-/// diagnostic detail. The 🟢 verdict above accounts for it as
-/// "category 3 — out-of-scope shape" rather than as a string-
-/// dispatch axis.
-#[derive(Debug, Clone)]
-pub enum EmitError {
-    /// No `TypeRealization` was declared in rust.dag for the given
-    /// type declaration. Add a `data rust_*: TypeRealization` entry
-    /// targeting this declaration to close the gap.
-    MissingTypeRealization { target: DeclarationId },
-    /// No `OperatorRealization` was declared in rust.dag for the
-    /// given (operand_type, algebra_field) pair.
-    MissingOperatorRealization {
-        target: DeclarationId,
-        op: DeclarationId,
-    },
-    /// No `BehaviorRealization` was declared in rust.dag for the
-    /// given substrate marker (Bind / Branch / Main).
-    MissingBehaviorRealization { marker: DeclarationId },
-    /// A required substrate marker is absent from `src/v3/spec/v3_l1.dag`
-    /// — bootstrap couldn't populate the typed handle and the
-    /// emitter has nothing to dispatch on. The variant identifies
-    /// which marker by enum tag (not by string), keeping the error
-    /// specific to substrate, not target-language, problems.
-    MissingSubstrateMarker(SubstrateMarkerRole),
-    /// A port has no resolved `TypeShape`, so its primitive
-    /// declaration can't be looked up in the type realization
-    /// index. Inference should have driven every port to Resolved
-    /// before emit runs; reaching this arm is a bug.
-    UntypedPort(PortId),
-    /// The DAG carries a behavior variant PR-B doesn't render yet
-    /// (Loop, user-function Bind, TransformTarget::Callable, etc.).
-    UnsupportedBehavior(String),
-    /// A Branch arm's pattern stayed `UnresolvedVariant` past
-    /// inference — either inference didn't run or the scrutinee's
-    /// Disj has no matching variant.
-    UnresolvedBranchPattern { variant_name: String },
-    /// A Branch arm resolved to a variant declaration that no longer
-    /// has a Disj parent. Emit must not fabricate a plausible target
-    /// identifier when the substrate cannot identify the parent enum.
-    VariantParentNotFound { variant_id: DeclarationId },
-    /// A Branch's scrutinee resolved to a Disj that isn't the v3
-    /// `Classical` (Bool) sum — PR-B only emits boolean branches.
-    /// Carries the scrutinee's resolved variant ids so callers can
-    /// inspect what the substrate handed them.
-    NonBooleanBranch { variant_ids: Vec<DeclarationId> },
-    /// A required realization meta-type is missing from the cached
-    /// substrate. Bootstrap should populate all realization categories
-    /// from `src/v3/spec/rust.dag`; reaching this arm means the
-    /// spec file failed to load or the meta-type wasn't declared.
-    MissingRealizationMeta(RealizationCategory),
-    /// The target-language syntax bundle is absent from rust.dag.
-    MissingTargetSyntax(&'static str),
-    /// The target-language syntax bundle or one of its referenced
-    /// syntax declarations has the wrong structural shape.
-    MalformedTargetSyntax {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-    /// A data item tagged with a realization meta-type carried a
-    /// wrong-shaped value body or a missing required field. The
-    /// `lower_record_to_structural` inhabitance check should have
-    /// caught this at lower time; reaching it at index-build time
-    /// is a fail-open leak that the index builder fail-closes on.
-    MalformedRealization {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-    /// Two realizations in the loaded spec set share the same key
-    /// (e.g. two `data rust_*: TypeRealization` items both
-    /// targeting `Int`). Single Authority requires the spec to be
-    /// unambiguous; collisions are spec bugs.
-    DuplicateRealization {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-    /// A user-defined callable's Arrow shape doesn't match the
-    /// structural invariants the ownership analysis depends on —
-    /// e.g., the body isn't a `Bind`, or `Bind.params` has fewer
-    /// ports than the Arrow declares inputs. The IR should be
-    /// well-formed before emit runs; reaching this arm is an
-    /// upstream bug, not a spec issue.
-    MalformedUserDefinedCallable {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-}
-
-/// Typed tag identifying which realization category a
-/// `MissingRealizationMeta` error refers to. Three variants, one
-/// per meta-type declared in the per-target spec file. Replaces
-/// what would otherwise be a string label for the missing role.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum RealizationCategory {
-    /// `TypeRealization` — primitive type → target type name.
-    Type,
-    /// `TypeInstantiationRealization` — generic template
-    /// declaration → target instantiated carrier syntax.
-    TypeInstantiation,
-    /// `OperatorRealization` — (operand type, algebra field) →
-    /// target operator symbol.
-    Operator,
-    /// `BehaviorRealization` — substrate marker → target template.
-    Behavior,
-    /// `CallableRealization` — callable declaration → Rust render
-    /// strategy.
-    Callable,
-    /// `PatternRealization` — structural sum declaration →
-    /// carrier-specific pattern lowering facts.
-    Pattern,
-}
-
-/// Typed tag identifying which substrate marker is missing in a
-/// `MissingSubstrateMarker` error. Replaces the earlier `role:
-/// &'static str` payload so that no name string crosses the
-/// substrate/emitter boundary even in error reporting. Display
-/// formatting is the consumer's job; this tag is dispatch data.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum SubstrateMarkerRole {
-    Bind,
-    Branch,
-    Main,
-}
-
-/// Three typed realization indexes built once per `emit_rust` call
-/// from rust.dag's data declarations. Each index keyed by the
-/// `DeclarationId`s that the substrate already carries — no name
-/// strings.
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum RustFieldAccessBinding {
-    DirectField(String),
-    AccessorMethod(String),
-}
-
-#[derive(Debug, Clone)]
-struct FieldBindingBinding {
-    access: RustFieldAccessBinding,
-    borrowed_read: bool,
-}
-
-#[derive(Debug, Clone)]
-struct TypeRealizationBinding {
-    carrier: String,
-    is_copy: bool,
-    fields: HashMap<String, FieldBindingBinding>,
-}
-
-#[derive(Debug, Clone)]
-struct TypeInstantiationBinding {
-    carrier: String,
-}
-
-#[allow(clippy::enum_variant_names)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum RustCallableStrategyBinding {
-    ListEmpty,
-    ListSingleton,
-    ListCons,
-    ListConcat,
-    ListLength,
-    ListIsEmpty,
-    ListFold,
-    ListMap,
-    ListFilter,
-    ListContains,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ParameterDispositionBinding {
-    Borrowed,
-    Consumed,
-}
-
-impl ParameterDispositionBinding {
-    fn merge(self, other: Self) -> Self {
-        match (self, other) {
-            (Self::Consumed, _) | (_, Self::Consumed) => Self::Consumed,
-            _ => Self::Borrowed,
-        }
-    }
-}
-
-#[derive(Debug, Clone)]
-struct PatternRealizationBinding {
-    empty_variant: DeclarationId,
-    cons_variant: DeclarationId,
-    scrutinee: String,
-    empty_pattern: String,
-    cons_pattern: String,
-    head_expr: String,
-    tail_expr: String,
-}
-
-#[derive(Debug, Clone)]
-struct StatementSyntaxBinding {
-    let_binding: String,
-}
-
-#[derive(Debug, Clone)]
-struct ExpressionSyntaxBinding {
-    field_access: String,
-    function_call: String,
-    closure: String,
-}
-
-#[derive(Debug, Clone)]
-struct ControlFlowSyntaxBinding {
-    if_else: String,
-}
-
-#[derive(Debug, Clone)]
-struct LiteralSyntaxBinding {
-    true_keyword: String,
-    false_keyword: String,
-    string_delimiter: String,
-}
-
-#[derive(Debug, Clone)]
-struct ModuleSyntaxBinding {
-    path_separator: String,
-}
-
-#[derive(Debug, Clone)]
-struct FunctionSyntaxBinding {
-    definition: String,
-    definition_exported: String,
-    param_with_type: String,
-    param_separator: String,
-}
-
-#[derive(Debug, Clone)]
-struct TypeApplicationSyntaxBinding {
-    optional: String,
-}
-
-#[derive(Debug, Clone)]
-struct TypeDefinitionSyntaxBinding {
-    struct_def: String,
-    struct_field: String,
-    enum_def: String,
-    enum_unit_variant: String,
-    enum_data_variant: String,
-}
-
-#[derive(Debug, Clone)]
-struct RecordDeriveTemplateBundleBinding {
-    struct_def_no_debug: String,
-    enum_def_no_debug: String,
-}
-
-#[derive(Debug, Clone)]
-struct PatternMatchSyntaxBinding {
-    match_expr: String,
-    match_arm: String,
-    variant_pattern: String,
-    variant_pattern_positional: String,
-    variant_pattern_empty: String,
-    field_binding: String,
-    field_binding_separator: String,
-    // Wildcard pattern (`_`). Declared by every target spec but
-    // currently unused by the Rust emitter: multi-field struct-variant
-    // patterns now alias every field for override routing, and
-    // zero-binding variant patterns flow through
-    // `variant_pattern_empty`. Kept on the binding so future emit
-    // paths (other target languages, partial-match forms) can consume
-    // it without another spec round-trip.
-    #[allow(dead_code)]
-    wildcard: String,
-}
-
-#[derive(Debug, Clone)]
-struct CollectionOpsBinding {
-    concat: String,
-    length: String,
-    is_empty: String,
-    fold: String,
-    map: String,
-    filter: String,
-    contains: String,
-    empty_list: String,
-    list_literal: String,
-    cons: String,
-}
-
-#[derive(Debug, Clone)]
-struct ValueConstructionSyntaxBinding {
-    struct_literal: String,
-    struct_field_init: String,
-    struct_field_separator: String,
-    variant_named_construction: String,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ReadStrategyBinding {
-    Borrow,
-    PassByValue,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ConstructStrategyBinding {
-    CopyOrClone,
-    PassByValue,
-}
-
-#[derive(Debug, Clone)]
-struct RenderingModelBinding {
-    read: ReadStrategyBinding,
-    construct: ConstructStrategyBinding,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum SourceMutabilityBinding {
-    Immutable,
-    Mutable,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum SourcePurityBinding {
-    Pure,
-    Effectful,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum SourceStructureBinding {
-    ExplicitDag,
-    Arbitrary,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum SourceIterationBinding {
-    Bounded,
-    Unbounded,
-}
-
-#[derive(Debug, Clone)]
-struct ComputationModelBinding {
-    mutability: SourceMutabilityBinding,
-    purity: SourcePurityBinding,
-    structure: SourceStructureBinding,
-    iteration: SourceIterationBinding,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum MemoryModelBinding {
-    ValueOnly,
-    GarbageCollected,
-    RefCounted,
-    OwnershipBased,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ScopeModelBinding {
-    LexicalScoping,
-    DynamicScoping,
-}
-
-#[derive(Debug, Clone)]
-struct TargetExecutionModelBinding {
-    memory: MemoryModelBinding,
-    scope: ScopeModelBinding,
-}
-
-#[derive(Debug, Clone)]
-struct RustLanguageSyntax {
-    statements: StatementSyntaxBinding,
-    expressions: ExpressionSyntaxBinding,
-    control_flow: ControlFlowSyntaxBinding,
-    literals: LiteralSyntaxBinding,
-    modules: ModuleSyntaxBinding,
-    functions: FunctionSyntaxBinding,
-    type_applications: TypeApplicationSyntaxBinding,
-    type_definitions: TypeDefinitionSyntaxBinding,
-    /// From `rust_language.record_derive_templates` (`LanguageSpec` in
-    /// `emit_model.dag`); Rust data is `rust_record_derive_templates` in
-    /// `rust.dag` — `RecordDeriveTemplateBundle` (target-neutral; Rust consumes).
-    record_derive_no_debug: RecordDeriveTemplateBundleBinding,
-    patterns: PatternMatchSyntaxBinding,
-    collection_ops: CollectionOpsBinding,
-    values: ValueConstructionSyntaxBinding,
-}
-
-/// Typed read of `data rust_clean_emission: CleanEmissionContract`
-/// from `src/v3/spec/rust.dag` — the portion this pilot consumes
-/// (E-5 / Lane 1 Stage 1c PR 1). Other contract rules land here as
-/// their consumers wire in.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct CleanEmissionContractBinding {
-    pattern_bindings: PatternBindingRuleBinding,
-    variant_payload_field_access: VariantPayloadFieldAccessRuleBinding,
-}
-
-/// Rust-valid slice of `std.clean_emission.PatternBindingRule`.
-/// Parsed in `CleanEmissionContractBinding::build`, which rejects
-/// target-invalid constructors instead of letting the renderer
-/// normalize them later.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum PatternBindingRuleBinding {
-    EmitBindingAlways,
-    EmitUnderscoreWhenUnused,
-}
-
-struct RealizationIndexes {
-    /// `target_decl_id → carrier + field bindings`. Built from
-    /// `data rust_*: TypeRealization` items in rust.dag.
-    types: HashMap<DeclarationId, TypeRealizationBinding>,
-    /// `generic_template_decl → instantiated carrier syntax`.
-    /// Built from `data rust_*: TypeInstantiationRealization`
-    /// items in rust.dag. Used when rendering generic carriers
-    /// such as `List<T> -> Vec<T>` without template-name string
-    /// dispatch in Rust.
-    instantiations: HashMap<DeclarationId, TypeInstantiationBinding>,
-    /// `(operand_type_decl, algebra_field_decl) → carrier`. Built
-    /// from `data rust_*: OperatorRealization` items in rust.dag.
-    /// Used when emitting a `Transform { target: Operator(_), .. }`.
-    operators: HashMap<(DeclarationId, DeclarationId), String>,
-    /// `behavior_marker_decl → carrier`. Built from `data rust_*:
-    /// BehaviorRealization` items in rust.dag. Used when emitting
-    /// the substrate behaviors (let / if-else / main wrapper). The
-    /// key declaration ids come from `src/v3/spec/v3_l1.dag` markers
-    /// cached in `Dag::substrate_markers` — every dispatch site
-    /// reads those typed handles instead of looking up by name.
-    behaviors: HashMap<DeclarationId, String>,
-    /// `callable_decl → render strategy`. Built from `data rust_*:
-    /// CallableRealization` items in rust.dag. Used when emitting
-    /// callable transforms without name-keyed builtin dispatch.
-    callables: HashMap<DeclarationId, RustCallableStrategyBinding>,
-    /// `callable_decl → per-runtime-input ownership disposition`.
-    /// External callables read this directly from rust.dag; user-
-    /// defined callables derive it from their body DAG via a
-    /// monotone body walk.
-    callable_dispositions: HashMap<DeclarationId, Vec<ParameterDispositionBinding>>,
-    /// `structural_sum_decl → carrier pattern lowering facts`.
-    /// Built from `data rust_*: PatternRealization` items in
-    /// rust.dag. Used when a structural match lowers against a
-    /// realized container carrier rather than a native Rust enum.
-    patterns: HashMap<DeclarationId, PatternRealizationBinding>,
-    /// DB-14: `accessor_decl → realization_decl` for the active
-    /// Rust target. Built from `data *: SubstrateAccessorBinding`
-    /// records filtered by `language == rust_language`. Used by
-    /// `render_substrate_accessor` on every Callable Transform: if
-    /// the callable's target is in this map, render the
-    /// realization's `carrier` template; otherwise fall through to
-    /// normal callable dispatch. Replaces the earlier design that
-    /// upgraded accessor Arrow bodies to `ExternalRealization` at
-    /// bootstrap, which silently dropped target selection (review
-    /// round 1b.3 root cause).
-    substrate_accessors: HashMap<DeclarationId, DeclarationId>,
-    /// DB-14 coverage set: every accessor declaration referenced by
-    /// **any** `SubstrateAccessorBinding` record, across all target
-    /// languages. `render_substrate_accessor` uses this to
-    /// distinguish "callable target is not a substrate accessor at
-    /// all" (fall through to normal dispatch) from "declared
-    /// substrate accessor, but no binding for the active target"
-    /// (fail-closed `EmitError::MissingSubstrateAccessorRealization`).
-    /// Post review round 1b.3: a missing active-target realization
-    /// must be a hard emit error, not a silent fall-through that
-    /// would emit `func(args)` for a function Rust doesn't have.
-    substrate_accessor_universe: HashSet<DeclarationId>,
-    /// The Rust target-language syntax bundle loaded from
-    /// `data rust_language: LanguageSpec`.
-    syntax: RustLanguageSyntax,
-    /// The Rust target-language ownership rendering model loaded
-    /// from `data rust_rendering: RenderingModel`.
-    rendering: RenderingModelBinding,
-    /// The source-side `.dag` computation model loaded from
-    /// `data dag_model: ComputationModel`.
-    computation: ComputationModelBinding,
-    /// The target-side Rust execution model loaded from
-    /// `data rust_execution_model: TargetExecutionModel`.
-    execution: TargetExecutionModelBinding,
-    /// Source exclusion policy loaded from
-    /// `data rust_source_filtering: ShapeATargetSourceFiltering`.
-    source_filtering: SourceFilteringBinding,
-    /// The Rust clean-emission contract loaded from
-    /// `data rust_clean_emission: CleanEmissionContract` (E-5 /
-    /// Lane 1 Stage 1c). Rule variants dispatch inside the emitter
-    /// to shape emitted code so it passes `rustc -D warnings` by
-    /// construction.
-    clean_emission: CleanEmissionContractBinding,
-}
-
-#[allow(dead_code)]
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-enum InputSlot {
-    Positional(usize),
-    BranchInput,
-    LoopSource,
-    LoopInit,
-    LoopBoundCount,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-struct InputUseKey {
-    consumer: crate::dag::NodeId,
-    slot: InputSlot,
-}
-
-#[derive(Debug, Clone, Default)]
-struct InputUseFacts {
-    /// Per-edge total ordering across all input slots in the DAG.
-    /// Includes every consumer/slot — Borrowed and Consumed alike.
-    edge_order: HashMap<InputUseKey, usize>,
-    /// Per-port, the order of the LAST edge that touches the port —
-    /// regardless of whether that edge is a Borrow or a Consume.
-    /// "Safe to move at edge E" requires E's order equal this value:
-    /// any later use (borrow or consume) makes the move unsafe.
-    last_use_order_by_port: HashMap<PortId, usize>,
-}
-
-impl RealizationIndexes {
-    /// Build the typed indexes from rust.dag's data
-    /// declarations. **Fail-closed at every step.** Returns
-    /// `Err(EmitError)` if:
-    ///
-    ///   - The realization meta-type cache is unpopulated (a
-    ///     bootstrap failure earlier in the pipeline; rust.dag
-    ///     didn't load).
-    ///   - A declaration tagged with one of the realization
-    ///     meta-types is missing a required field (target / op /
-    ///     carrier) or carries a wrong-shaped field value. This
-    ///     is a spec-file consistency error that the lower-time
-    ///     inhabitance check would normally surface — reaching
-    ///     this path here means the inhabitance check let
-    ///     something through and we want a loud failure, not a
-    ///     silent skip.
-    ///   - Two realizations share the same key (e.g. two
-    ///     `data rust_*: TypeRealization` items both targeting
-    ///     `Int`). Single Authority requires the spec to be
-    ///     unambiguous; collisions are spec bugs.
-    ///
-    /// The pre-unwind silent-skip + silent-overwrite shape was
-    /// flagged in PR #445 review as fail-open behavior at the
-    /// realization boundary. This function is the explicit
-    /// fail-closed counterpart.
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        // Read the cached realization meta-type handles. These
-        // are populated at bootstrap end via
-        // `populate_primitive_cache` from `src/v3/spec/rust.dag`'s
-        // top-level `type TypeRealization { ... }` declarations.
-        // Reading them via the typed accessor keeps emit_rust
-        // free of any name-string lookup: the meta-type identity
-        // is a `DeclarationId` from the moment the index builds.
-        let type_meta = dag
-            .type_realization_meta()
-            .ok_or(EmitError::MissingRealizationMeta(RealizationCategory::Type))?;
-        let type_instantiation_meta =
-            dag.type_instantiation_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::TypeInstantiation,
-                ))?;
-        let op_meta = dag
-            .operator_realization_meta()
-            .ok_or(EmitError::MissingRealizationMeta(
-                RealizationCategory::Operator,
-            ))?;
-        let behavior_meta =
-            dag.behavior_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::Behavior,
-                ))?;
-        let callable_meta =
-            dag.callable_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::Callable,
-                ))?;
-        let pattern_meta =
-            dag.pattern_realization_meta()
-                .ok_or(EmitError::MissingRealizationMeta(
-                    RealizationCategory::Pattern,
-                ))?;
-
-        let mut types: HashMap<DeclarationId, TypeRealizationBinding> = HashMap::new();
-        let mut instantiations: HashMap<DeclarationId, TypeInstantiationBinding> = HashMap::new();
-        let mut operators: HashMap<(DeclarationId, DeclarationId), String> = HashMap::new();
-        let mut behaviors: HashMap<DeclarationId, String> = HashMap::new();
-        let mut callables: HashMap<DeclarationId, RustCallableStrategyBinding> = HashMap::new();
-        let mut external_callable_dispositions: HashMap<
-            DeclarationId,
-            Vec<ParameterDispositionBinding>,
-        > = HashMap::new();
-        let mut patterns: HashMap<DeclarationId, PatternRealizationBinding> = HashMap::new();
-
-        // Cache the Rust language-spec declaration id once; shared
-        // realizations reference it via `language: DeclarationRef`
-        // and this emitter picks up only entries that match.
-        // Replaces the previous TargetLanguage enum roster with a
-        // declaration-identity compare (INVARIANTS.md E-6: target
-        // ownership is carried by a typed edge, not a compiler-side
-        // variant list).
-        let rust_language_id = dag
-            .rust_language_spec()
-            .ok_or(EmitError::MissingTargetSyntax("rust_language"))?;
-
-        for decl in dag.declarations() {
-            let Some(meta_tag) = decl.meta_tag else {
-                continue;
-            };
-            // Determine which realization category this declaration
-            // belongs to (if any). Comparing typed handles, no name
-            // matching.
-            let category = if meta_tag == type_meta {
-                RealizationCategory::Type
-            } else if meta_tag == type_instantiation_meta {
-                RealizationCategory::TypeInstantiation
-            } else if meta_tag == op_meta {
-                RealizationCategory::Operator
-            } else if meta_tag == behavior_meta {
-                RealizationCategory::Behavior
-            } else if meta_tag == callable_meta {
-                RealizationCategory::Callable
-            } else if meta_tag == pattern_meta {
-                RealizationCategory::Pattern
-            } else {
-                continue;
-            };
-            let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-                // A data item tagged with a realization meta-type
-                // must have a Structural value_body. If it's
-                // Unparsed, the inhabitance check let a malformed
-                // spec entry through — fail-closed so the spec
-                // inconsistency surfaces loudly.
-                return Err(EmitError::MalformedRealization {
-                    declaration: decl.id,
-                    detail:
-                        "realization data item has no Structural value_body — bootstrap inhabitance check missed a malformed spec entry",
-                });
-            };
-
-            // Skip realizations declared for other shared targets
-            // (e.g. Go) by comparing the typed `language` field to
-            // this emitter's cached language-spec declaration id.
-            // Replaces the previous TargetLanguage enum roster; adding
-            // a new shared target is now a pure spec-file change.
-            let language_ref = require_field_decl_ref(fields, "language", decl.id)?;
-            if language_ref != rust_language_id {
-                continue;
-            }
-
-            // Required for every category. Missing → fail-closed
-            // (the inhabitance check would normally surface a
-            // diagnostic at lower time; reaching this point means
-            // the spec violates its own meta-type and we should
-            // refuse to silently skip it).
-            let target = require_field_decl_ref(fields, "target", decl.id)?;
-
-            match category {
-                RealizationCategory::Type => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    let field_bindings = require_field_bindings(dag, fields, decl.id)?;
-                    if types
-                        .insert(
-                            target,
-                            TypeRealizationBinding {
-                                carrier,
-                                is_copy: require_field_bool(fields, "is_copy", decl.id)?,
-                                fields: field_bindings,
-                            },
-                        )
-                        .is_some()
-                    {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two TypeRealization data items target the same primitive — single authority requires unique targets",
-                        });
-                    }
-                }
-                RealizationCategory::TypeInstantiation => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    if instantiations
-                        .insert(target, TypeInstantiationBinding { carrier })
-                        .is_some()
-                    {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two TypeInstantiationRealization data items target the same generic declaration — single authority requires unique targets",
-                        });
-                    }
-                }
-                RealizationCategory::Operator => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    if !carrier.contains("{lhs}") || !carrier.contains("{rhs}") {
-                        return Err(EmitError::MalformedRealization {
-                            declaration: decl.id,
-                            detail: "OperatorRealization carrier must be a full-expression template containing {lhs} and {rhs}",
-                        });
-                    }
-                    let op = require_field_decl_ref(fields, "op", decl.id)?;
-                    if operators.insert((target, op), carrier).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two OperatorRealization data items share the same (target, op) pair — single authority requires unique keys",
-                        });
-                    }
-                }
-                RealizationCategory::Behavior => {
-                    let carrier = require_field_string(fields, "carrier", decl.id)?;
-                    if behaviors.insert(target, carrier).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                            "two BehaviorRealization data items target the same substrate marker — single authority requires unique targets",
-                        });
-                    }
-                }
-                RealizationCategory::Callable => {
-                    let strategy = require_callable_strategy(dag, fields, decl.id)?;
-                    let expected_arity = match &dag.declaration(target).connective {
-                        TypeConnective::Arrow { inputs, .. } => inputs.len(),
-                        _ => {
-                            return Err(EmitError::MalformedRealization {
-                                declaration: decl.id,
-                                detail: "CallableRealization target must be an Arrow declaration",
-                            })
-                        }
-                    };
-                    let dispositions =
-                        require_parameter_dispositions(dag, fields, decl.id, expected_arity)?;
-                    if callables.insert(target, strategy).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two CallableRealization data items target the same callable declaration — single authority requires unique targets",
-                        });
-                    }
-                    if external_callable_dispositions
-                        .insert(target, dispositions)
-                        .is_some()
-                    {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two CallableRealization data items target the same callable declaration's parameter dispositions — single authority requires unique targets",
-                        });
-                    }
-                }
-                RealizationCategory::Pattern => {
-                    let binding = require_pattern_realization(dag, fields, decl.id)?;
-                    validate_pattern_roles(dag, target, &binding, decl.id)?;
-                    if patterns.insert(target, binding).is_some() {
-                        return Err(EmitError::DuplicateRealization {
-                            declaration: decl.id,
-                            detail:
-                                "two PatternRealization data items target the same structural sum declaration — single authority requires unique targets",
-                        });
-                    }
-                }
-            }
-        }
-
-        let syntax = RustLanguageSyntax::build(dag)?;
-        let rendering = RenderingModelBinding::build(dag)?;
-        let computation = ComputationModelBinding::build(dag)?;
-        let execution = TargetExecutionModelBinding::build(dag)?;
-        let source_filtering = SourceFilteringBinding::build(
-            dag,
-            dag.rust_source_filtering_spec()
-                .ok_or(EmitError::MissingTargetSyntax("rust_source_filtering"))?,
-        )?;
-        let clean_emission = CleanEmissionContractBinding::build(dag)?;
-        let callable_dispositions =
-            derive_callable_dispositions(dag, &external_callable_dispositions)?;
-        let (substrate_accessors, substrate_accessor_universe) =
-            build_substrate_accessor_index(dag, rust_language_id)?;
-
-        Ok(Self {
-            types,
-            instantiations,
-            operators,
-            behaviors,
-            callables,
-            callable_dispositions,
-            patterns,
-            syntax,
-            rendering,
-            computation,
-            execution,
-            source_filtering,
-            clean_emission,
-            substrate_accessors,
-            substrate_accessor_universe,
-        })
-    }
-}
-
-impl CleanEmissionContractBinding {
-    /// Parse the portion of `data rust_clean_emission:
-    /// CleanEmissionContract` this emitter consumes. Currently only
-    /// `pattern_bindings` and `variant_payload_field_access`
-    /// dispatch; other rules parse when their consumers land.
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let declaration = dag
-            .rust_clean_emission_spec()
-            .ok_or(EmitError::MissingTargetSyntax("rust_clean_emission"))?;
-        let fields = structural_fields_for_decl(dag, declaration)?;
-        let pattern_bindings_value = fields
-            .iter()
-            .find(|(label, _)| label == "pattern_bindings")
-            .map(|(_, value)| value)
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "rust_clean_emission is missing required `pattern_bindings` field",
-            })?;
-        let pattern_bindings =
-            parse_pattern_binding_rule(dag, pattern_bindings_value, declaration)?;
-        let variant_payload_field_access_value = fields
-            .iter()
-            .find(|(label, _)| label == "variant_payload_field_access")
-            .map(|(_, value)| value)
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail:
-                    "rust_clean_emission is missing required `variant_payload_field_access` field",
-            })?;
-        let variant_payload_field_access = parse_variant_payload_field_access_rule(
-            dag,
-            variant_payload_field_access_value,
-            declaration,
-        )?;
-        Ok(Self {
-            pattern_bindings,
-            variant_payload_field_access,
-        })
-    }
-}
-
-fn parse_pattern_binding_rule(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<PatternBindingRuleBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "rust_clean_emission.pattern_bindings must be a PatternBindingRule variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule variants must not carry payload fields",
-        });
-    }
-    let variants = dag.pattern_binding_rule_variants();
-    let emit_always = variants
-        .emit_always
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.EmitBindingAlways declaration was not found",
-        })?;
-    let emit_underscore = variants
-        .emit_underscore
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.EmitUnderscoreWhenUnused declaration was not found",
-        })?;
-    let emit_prefixed = variants
-        .emit_prefixed
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.EmitPrefixedUnderscoreWhenUnused declaration was not found",
-        })?;
-    let not_applicable = variants
-        .not_applicable
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "PatternBindingRule.NotApplicablePatternBinding declaration was not found",
-        })?;
-    if *constructor == emit_always {
-        Ok(PatternBindingRuleBinding::EmitBindingAlways)
-    } else if *constructor == emit_underscore {
-        Ok(PatternBindingRuleBinding::EmitUnderscoreWhenUnused)
-    } else if *constructor == emit_prefixed {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "rust_clean_emission.pattern_bindings cannot use PatternBindingRule.EmitPrefixedUnderscoreWhenUnused; Rust only supports EmitBindingAlways or EmitUnderscoreWhenUnused",
-        })
-    } else if *constructor == not_applicable {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "rust_clean_emission.pattern_bindings cannot use PatternBindingRule.NotApplicablePatternBinding; Rust only supports EmitBindingAlways or EmitUnderscoreWhenUnused",
-        })
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "rust_clean_emission.pattern_bindings constructor is not a known PatternBindingRule variant",
-        })
-    }
-}
-
-fn parse_variant_payload_field_access_rule(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<VariantPayloadFieldAccessRuleBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail:
-                "rust_clean_emission.variant_payload_field_access must be a VariantPayloadFieldAccessRule variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "VariantPayloadFieldAccessRule variants must not carry payload fields",
-        });
-    }
-    let variants = dag.variant_payload_field_access_rule_variants();
-    let access_from_payload_binding =
-        variants
-            .access_from_payload_binding
-            .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail:
-                "VariantPayloadFieldAccessRule.AccessFromPayloadBinding declaration was not found",
-        })?;
-    let override_named_fields_at_binding_site = variants
-        .override_named_fields_at_binding_site
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "VariantPayloadFieldAccessRule.OverrideNamedFieldsAtBindingSite declaration was not found",
-        })?;
-    if *constructor == override_named_fields_at_binding_site {
-        Ok(VariantPayloadFieldAccessRuleBinding::OverrideNamedFieldsAtBindingSite)
-    } else if *constructor == access_from_payload_binding {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "rust_clean_emission.variant_payload_field_access cannot use VariantPayloadFieldAccessRule.AccessFromPayloadBinding; Rust requires OverrideNamedFieldsAtBindingSite for named payloads",
-        })
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "rust_clean_emission.variant_payload_field_access constructor is not a known VariantPayloadFieldAccessRule variant",
-        })
-    }
-}
-
-/// DB-14: build `(accessor_decl → realization_decl, universe)` for
-/// the active target language.
-///
-/// The map is the per-language lookup used by
-/// `render_substrate_accessor` when a callable target IS bound for
-/// the active target. The universe is every accessor referenced by
-/// any `SubstrateAccessorBinding` across all target languages — it
-/// lets the emitter distinguish "callable isn't a substrate
-/// accessor at all" (fall through) from "declared substrate
-/// accessor, but no binding for this target" (fail closed).
-///
-/// Single-authority enforcement: duplicate `(accessor × language)`
-/// pairs fail closed with `EmitError::DuplicateRealization`.
-fn build_substrate_accessor_index(
-    dag: &Dag,
-    target_language_id: DeclarationId,
-) -> Result<
-    (
-        HashMap<DeclarationId, DeclarationId>,
-        HashSet<DeclarationId>,
-    ),
-    EmitError,
-> {
-    let mut index: HashMap<DeclarationId, DeclarationId> = HashMap::new();
-    let mut universe: HashSet<DeclarationId> = HashSet::new();
-    let Some(binding_meta_id) = dag.substrate_accessor_binding_meta() else {
-        // No substrate accessor binding type — pre-DB-14 bootstrap
-        // or a minimal fixture that didn't load substrate.dag. Empty
-        // universe means render_substrate_accessor falls through on
-        // every callable, matching pre-DB-14 behavior.
-        return Ok((index, universe));
-    };
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(binding_meta_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            return Err(EmitError::MalformedRealization {
-                declaration: decl.id,
-                detail:
-                    "SubstrateAccessorBinding data item has no Structural value_body — bootstrap inhabitance check missed a malformed spec entry",
-            });
-        };
-        let accessor = require_field_decl_ref(fields, "accessor", decl.id)?;
-        universe.insert(accessor);
-        let language = require_field_decl_ref(fields, "language", decl.id)?;
-        if language != target_language_id {
-            continue;
-        }
-        let realization = require_field_decl_ref(fields, "realization", decl.id)?;
-        if index.insert(accessor, realization).is_some() {
-            return Err(EmitError::DuplicateRealization {
-                declaration: decl.id,
-                detail:
-                    "two SubstrateAccessorBinding data items target the same accessor × language pair — single authority requires a unique realization per target language",
-            });
-        }
-    }
-    Ok((index, universe))
-}
-
-impl RenderingModelBinding {
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let rendering_decl = dag
-            .rust_rendering_spec()
-            .ok_or(EmitError::MissingTargetSyntax("rust_rendering"))?;
-        let fields = structural_fields_for_decl(dag, rendering_decl)?;
-        Ok(Self {
-            read: require_read_strategy(dag, fields, "read", rendering_decl)?,
-            construct: require_construct_strategy(dag, fields, "construct", rendering_decl)?,
-        })
-    }
-}
-
-impl ComputationModelBinding {
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let declaration = dag
-            .computation_model_spec()
-            .ok_or(EmitError::MissingTargetSyntax("dag_model"))?;
-        let fields = structural_fields_for_decl(dag, declaration)?;
-        Ok(Self {
-            mutability: require_source_mutability(dag, fields, declaration)?,
-            purity: require_source_purity(dag, fields, declaration)?,
-            structure: require_source_structure(dag, fields, declaration)?,
-            iteration: require_source_iteration(dag, fields, declaration)?,
-        })
-    }
-
-    fn is_canonical_dag(&self) -> bool {
-        self.mutability == SourceMutabilityBinding::Immutable
-            && self.purity == SourcePurityBinding::Pure
-            && self.structure == SourceStructureBinding::ExplicitDag
-            && self.iteration == SourceIterationBinding::Bounded
-    }
-}
-
-impl TargetExecutionModelBinding {
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let declaration = dag
-            .rust_execution_model_spec()
-            .ok_or(EmitError::MissingTargetSyntax("rust_execution_model"))?;
-        let fields = structural_fields_for_decl(dag, declaration)?;
-        Ok(Self {
-            memory: require_memory_model(dag, fields, declaration)?,
-            scope: require_scope_model(dag, fields, declaration)?,
-        })
-    }
-
-    fn is_ownership_based(&self) -> bool {
-        self.memory == MemoryModelBinding::OwnershipBased
-    }
-
-    fn is_lexically_scoped(&self) -> bool {
-        self.scope == ScopeModelBinding::LexicalScoping
-    }
-}
-
-impl InputUseFacts {
-    fn build(dag: &Dag, _indexes: &RealizationIndexes) -> Self {
-        let mut facts = Self::default();
-        let mut order = 0usize;
-
-        // Record every edge — Borrowed and Consumed — so the
-        // last-use check can see borrows that come after consumes
-        // (a later borrow makes a move unsafe even though it isn't
-        // itself a consume).
-        let mut record = |port: PortId, key: InputUseKey, order: &mut usize| {
-            facts.edge_order.insert(key, *order);
-            facts.last_use_order_by_port.insert(port, *order);
-            *order += 1;
-        };
-
-        for node in dag.nodes() {
-            match node {
-                Behavior::Transform(transform) => {
-                    for (slot, &port) in transform.inputs.iter().enumerate() {
-                        let key = InputUseKey {
-                            consumer: transform.id,
-                            slot: InputSlot::Positional(slot),
-                        };
-                        record(port, key, &mut order);
-                    }
-                }
-                Behavior::Branch(branch) => {
-                    let key = InputUseKey {
-                        consumer: branch.id,
-                        slot: InputSlot::BranchInput,
-                    };
-                    record(branch.input, key, &mut order);
-                }
-                Behavior::Loop(loop_node) => {
-                    for (slot, port) in [
-                        (InputSlot::LoopSource, Some(loop_node.source)),
-                        (InputSlot::LoopInit, Some(loop_node.init)),
-                        (InputSlot::LoopBoundCount, loop_node.bound.count_port()),
-                    ] {
-                        let Some(port) = port else {
-                            continue;
-                        };
-                        let key = InputUseKey {
-                            consumer: loop_node.id,
-                            slot,
-                        };
-                        record(port, key, &mut order);
-                    }
-                }
-                Behavior::Value(_) | Behavior::Bind(_) => {}
-            }
-        }
-
-        facts
-    }
-}
-
-impl RustLanguageSyntax {
-    fn build(dag: &Dag) -> Result<Self, EmitError> {
-        let language_decl = dag
-            .rust_language_spec()
-            .ok_or(EmitError::MissingTargetSyntax("rust_language"))?;
-        let fields = structural_fields_for_decl(dag, language_decl)?;
-        Ok(Self {
-            statements: parse_statement_syntax(
-                dag,
-                require_field_decl_ref(fields, "statements", language_decl)?,
-            )?,
-            expressions: parse_expression_syntax(
-                dag,
-                require_field_decl_ref(fields, "expressions", language_decl)?,
-            )?,
-            control_flow: parse_control_flow_syntax(
-                dag,
-                require_field_decl_ref(fields, "control_flow", language_decl)?,
-            )?,
-            literals: parse_literal_syntax(
-                dag,
-                require_field_decl_ref(fields, "literals", language_decl)?,
-            )?,
-            modules: parse_module_syntax(
-                dag,
-                require_field_decl_ref(fields, "modules", language_decl)?,
-            )?,
-            functions: parse_function_syntax(
-                dag,
-                require_field_decl_ref(fields, "functions", language_decl)?,
-            )?,
-            type_applications: parse_type_application_syntax(
-                dag,
-                require_field_decl_ref(fields, "type_applications", language_decl)?,
-            )?,
-            type_definitions: parse_type_definition_syntax(
-                dag,
-                require_field_decl_ref(fields, "type_definitions", language_decl)?,
-            )?,
-            record_derive_no_debug: parse_record_derive_template_bundle(
-                dag,
-                require_field_decl_ref(fields, "record_derive_templates", language_decl)?,
-            )?,
-            patterns: parse_pattern_match_syntax(
-                dag,
-                require_field_decl_ref(fields, "patterns", language_decl)?,
-            )?,
-            collection_ops: parse_collection_ops(
-                dag,
-                require_field_decl_ref(fields, "collection_ops", language_decl)?,
-            )?,
-            values: parse_value_construction_syntax(
-                dag,
-                require_field_decl_ref(fields, "values", language_decl)?,
-            )?,
-        })
-    }
-}
-
-fn structural_fields_for_decl(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<&[(String, FieldValue)], EmitError> {
-    let Some(ValueBody::Structural { fields }) = &dag.declaration(declaration).value_body else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "syntax declaration must carry a structural value body",
-        });
-    };
-    Ok(fields)
-}
-
-fn syntax_field_string(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<String, EmitError> {
-    require_field_string(fields, label, declaration).map(|s| s.replace("%Q", "\""))
-}
-
-fn parse_statement_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<StatementSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(StatementSyntaxBinding {
-        let_binding: syntax_field_string(fields, "let_binding", declaration)?,
-    })
-}
-
-fn parse_expression_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<ExpressionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(ExpressionSyntaxBinding {
-        field_access: syntax_field_string(fields, "field_access", declaration)?,
-        function_call: syntax_field_string(fields, "function_call", declaration)?,
-        closure: syntax_field_string(fields, "closure", declaration)?,
-    })
-}
-
-fn parse_control_flow_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<ControlFlowSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(ControlFlowSyntaxBinding {
-        if_else: syntax_field_string(fields, "if_else", declaration)?,
-    })
-}
-
-fn parse_literal_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<LiteralSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(LiteralSyntaxBinding {
-        true_keyword: syntax_field_string(fields, "true_keyword", declaration)?,
-        false_keyword: syntax_field_string(fields, "false_keyword", declaration)?,
-        string_delimiter: syntax_field_string(fields, "string_delimiter", declaration)?,
-    })
-}
-
-fn parse_module_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<ModuleSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(ModuleSyntaxBinding {
-        path_separator: syntax_field_string(fields, "path_separator", declaration)?,
-    })
-}
-
-fn parse_function_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<FunctionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(FunctionSyntaxBinding {
-        definition: syntax_field_string(fields, "definition", declaration)?,
-        definition_exported: syntax_field_string(fields, "definition_exported", declaration)?,
-        param_with_type: syntax_field_string(fields, "param_with_type", declaration)?,
-        param_separator: syntax_field_string(fields, "param_separator", declaration)?,
-    })
-}
-
-fn parse_type_application_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<TypeApplicationSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(TypeApplicationSyntaxBinding {
-        optional: syntax_field_string(fields, "optional", declaration)?,
-    })
-}
-
-fn parse_type_definition_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<TypeDefinitionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(TypeDefinitionSyntaxBinding {
-        struct_def: syntax_field_string(fields, "struct_def", declaration)?,
-        struct_field: syntax_field_string(fields, "struct_field", declaration)?,
-        enum_def: syntax_field_string(fields, "enum_def", declaration)?,
-        enum_unit_variant: syntax_field_string(fields, "enum_unit_variant", declaration)?,
-        enum_data_variant: syntax_field_string(fields, "enum_data_variant", declaration)?,
-    })
-}
-
-fn parse_record_derive_template_bundle(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<RecordDeriveTemplateBundleBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(RecordDeriveTemplateBundleBinding {
-        struct_def_no_debug: syntax_field_string(fields, "struct_def_no_debug", declaration)?,
-        enum_def_no_debug: syntax_field_string(fields, "enum_def_no_debug", declaration)?,
-    })
-}
-
-fn parse_pattern_match_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<PatternMatchSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(PatternMatchSyntaxBinding {
-        match_expr: syntax_field_string(fields, "match_expr", declaration)?,
-        match_arm: syntax_field_string(fields, "match_arm", declaration)?,
-        variant_pattern: syntax_field_string(fields, "variant_pattern", declaration)?,
-        variant_pattern_positional: syntax_field_string(
-            fields,
-            "variant_pattern_positional",
-            declaration,
-        )?,
-        variant_pattern_empty: syntax_field_string(fields, "variant_pattern_empty", declaration)?,
-        field_binding: syntax_field_string(fields, "field_binding", declaration)?,
-        field_binding_separator: syntax_field_string(
-            fields,
-            "field_binding_separator",
-            declaration,
-        )?,
-        wildcard: syntax_field_string(fields, "wildcard", declaration)?,
-    })
-}
-
-fn parse_collection_ops(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<CollectionOpsBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-
-    let concat_method_decl = dag
-        .concat_method_decl()
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "internal: concat_method missing from std.methods registry",
-        })?;
-    let length_method_decl = dag
-        .length_method_decl()
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "internal: length_method missing from std.methods registry",
-        })?;
-    let fold_method_decl = dag
-        .fold_method_decl()
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "internal: fold_method missing from std.methods registry",
-        })?;
-    let is_empty_method_decl =
-        dag.is_empty_method_decl()
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "internal: is_empty_method missing from std.methods registry",
-            })?;
-    let filter_method_decl = dag
-        .filter_method_decl()
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "internal: filter_method missing from std.methods registry",
-        })?;
-    let flat_map_method_decl =
-        dag.flat_map_method_decl()
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "internal: flat_map_method missing from std.methods registry",
-            })?;
-    let any_method_decl = dag
-        .any_method_decl()
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "internal: any_method missing from std.methods registry",
-        })?;
-    let all_method_decl = dag
-        .all_method_decl()
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "internal: all_method missing from std.methods registry",
-        })?;
-
-    let concat_contract = require_field_decl_ref(fields, "concat_contract", declaration)?;
-    let concat_template = method_template_contract_decl_emit_template(
-        dag,
-        concat_contract,
-        "concat_contract",
-        concat_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: concat_contract,
-        detail,
-    })?;
-    let concat = require_single_template(concat_template, concat_contract)?;
-
-    let length_contract = require_field_decl_ref(fields, "length_contract", declaration)?;
-    let length_template = method_template_contract_decl_emit_template(
-        dag,
-        length_contract,
-        "length_contract",
-        length_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: length_contract,
-        detail,
-    })?;
-    let length = require_single_template(length_template, length_contract)?;
-
-    let is_empty_contract = require_field_decl_ref(fields, "is_empty_contract", declaration)?;
-    let is_empty_template = method_template_contract_decl_emit_template(
-        dag,
-        is_empty_contract,
-        "is_empty_contract",
-        is_empty_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: is_empty_contract,
-        detail,
-    })?;
-    let is_empty = require_single_template(is_empty_template, is_empty_contract)?;
-
-    let fold_contract = require_field_decl_ref(fields, "fold_contract", declaration)?;
-    let fold_template = method_template_contract_decl_emit_template(
-        dag,
-        fold_contract,
-        "fold_contract",
-        fold_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: fold_contract,
-        detail,
-    })?;
-    let fold = require_single_template(fold_template, fold_contract)?;
-
-    let filter_contract = require_field_decl_ref(fields, "filter_contract", declaration)?;
-    let filter_template = method_template_contract_decl_emit_template(
-        dag,
-        filter_contract,
-        "filter_contract",
-        filter_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: filter_contract,
-        detail,
-    })?;
-    let filter = require_higher_order_inline_template(filter_template, filter_contract)?;
-
-    let flat_map_contract = require_field_decl_ref(fields, "flat_map_contract", declaration)?;
-    let flat_map_template = method_template_contract_decl_emit_template(
-        dag,
-        flat_map_contract,
-        "flat_map_contract",
-        flat_map_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: flat_map_contract,
-        detail,
-    })?;
-    require_higher_order_inline_template(flat_map_template, flat_map_contract)?;
-
-    let any_contract = require_field_decl_ref(fields, "any_contract", declaration)?;
-    let any_template = method_template_contract_decl_emit_template(
-        dag,
-        any_contract,
-        "any_contract",
-        any_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: any_contract,
-        detail,
-    })?;
-    require_higher_order_inline_template(any_template, any_contract)?;
-
-    let all_contract = require_field_decl_ref(fields, "all_contract", declaration)?;
-    let all_template = method_template_contract_decl_emit_template(
-        dag,
-        all_contract,
-        "all_contract",
-        all_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: all_contract,
-        detail,
-    })?;
-    require_higher_order_inline_template(all_template, all_contract)?;
-
-    let map_method_decl = dag
-        .map_method_decl()
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "internal: map_method missing from std.methods registry",
-        })?;
-    let map_contract = require_field_decl_ref(fields, "map_contract", declaration)?;
-    let map_template = method_template_contract_decl_emit_template(
-        dag,
-        map_contract,
-        "map_contract",
-        map_method_decl,
-    )
-    .map_err(|detail| EmitError::MalformedTargetSyntax {
-        declaration: map_contract,
-        detail,
-    })?;
-    let map = require_single_template(map_template, map_contract)?;
-
-    Ok(CollectionOpsBinding {
-        concat,
-        length,
-        is_empty,
-        fold,
-        map,
-        filter,
-        contains: syntax_field_string(fields, "contains", declaration)?,
-        empty_list: syntax_field_string(fields, "empty_list", declaration)?,
-        list_literal: syntax_field_string(fields, "list_literal", declaration)?,
-        cons: syntax_field_string(fields, "cons", declaration)?,
-    })
-}
-
-fn require_single_template(
-    template: MethodTemplateContractEmitTemplate,
-    declaration: DeclarationId,
-) -> Result<String, EmitError> {
-    match template {
-        MethodTemplateContractEmitTemplate::SingleTemplate(template) => Ok(template),
-        MethodTemplateContractEmitTemplate::HigherOrderTemplates { .. } => {
-            Err(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "CollectionOps MethodTemplateContract must use MethodEmitTemplate.SingleTemplate",
-            })
-        }
-    }
-}
-
-fn require_higher_order_inline_template(
-    template: MethodTemplateContractEmitTemplate,
-    declaration: DeclarationId,
-) -> Result<String, EmitError> {
-    match template {
-        MethodTemplateContractEmitTemplate::HigherOrderTemplates {
-            inline_template, ..
-        } => Ok(inline_template),
-        MethodTemplateContractEmitTemplate::SingleTemplate(_) => {
-            Err(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail:
-                    "Rust CollectionOps higher-order MethodTemplateContract must use MethodEmitTemplate.HigherOrderTemplates",
-            })
-        }
-    }
-}
-
-fn parse_value_construction_syntax(
-    dag: &Dag,
-    declaration: DeclarationId,
-) -> Result<ValueConstructionSyntaxBinding, EmitError> {
-    let fields = structural_fields_for_decl(dag, declaration)?;
-    Ok(ValueConstructionSyntaxBinding {
-        struct_literal: syntax_field_string(fields, "struct_literal", declaration)?,
-        struct_field_init: syntax_field_string(fields, "struct_field_init", declaration)?,
-        struct_field_separator: syntax_field_string(fields, "struct_field_separator", declaration)?,
-        variant_named_construction: syntax_field_string(
-            fields,
-            "variant_named_construction",
-            declaration,
-        )?,
-    })
-}
-
-fn render_named_template(template: &str, bindings: &[(&str, &str)]) -> String {
-    let bindings: HashMap<&str, &str> = bindings.iter().copied().collect();
-    let chars: Vec<char> = template.chars().collect();
-    let mut rendered = String::with_capacity(template.len());
-    let mut i = 0;
-
-    while i < chars.len() {
-        match chars[i] {
-            '{' => {
-                if i + 1 < chars.len() && chars[i + 1] == '{' {
-                    rendered.push('{');
-                    i += 2;
-                    continue;
-                }
-
-                let mut j = i + 1;
-                while j < chars.len() && chars[j] != '}' {
-                    j += 1;
-                }
-                if j < chars.len() {
-                    let key: String = chars[i + 1..j].iter().collect();
-                    if is_template_placeholder_key(&key) {
-                        if let Some(value) = bindings.get(key.as_str()) {
-                            rendered.push_str(value);
-                        } else {
-                            rendered.push('{');
-                            rendered.push_str(&key);
-                            rendered.push('}');
-                        }
-                        i = j + 1;
-                        continue;
-                    }
-                }
-
-                rendered.push('{');
-                i += 1;
-            }
-            '}' => {
-                if i + 1 < chars.len() && chars[i + 1] == '}' {
-                    rendered.push('}');
-                    i += 2;
-                } else {
-                    rendered.push('}');
-                    i += 1;
-                }
-            }
-            ch => {
-                rendered.push(ch);
-                i += 1;
-            }
-        }
-    }
-
-    rendered
-}
-
-/// Local name for a destructured field of a multi-field struct-variant
-/// payload. Used by both the pattern emitter and the arm-body renderer
-/// so the aliased destructure and the payload-binding field routing
-/// stay in lockstep. The leading `__` avoids colliding with user
-/// identifiers and silences unused-binding warnings on fields the arm
-/// body never references.
-fn destructured_field_alias(binding_name: &str, field_label: &str) -> String {
-    format!("__{binding_name}_{field_label}")
-}
-
-fn find_resolved_branch_path(branch: &BranchNode, variant_id: DeclarationId) -> Option<&Path> {
-    branch.paths.iter().find(|path| match path.pattern {
-        BranchPattern::ResolvedVariant(id) => id == variant_id,
-        BranchPattern::UnresolvedVariant { .. } => false,
-    })
-}
-
-fn is_template_placeholder_key(key: &str) -> bool {
-    let mut chars = key.chars();
-    let Some(first) = chars.next() else {
-        return false;
-    };
-    if !(first == '_' || first.is_ascii_alphabetic()) {
-        return false;
-    }
-    chars.all(|ch| ch == '_' || ch.is_ascii_alphanumeric())
-}
-
-fn join_rendered(values: &[String], separator: &str) -> String {
-    values.join(separator)
-}
-
-/// Required-field lookup: returns `Err` if the field is absent or
-/// not a `FieldValue::Reference`. Used at realization-index build
-/// time to fail-closed on spec entries that should have been
-/// rejected by `lower_record_to_structural`'s inhabitance check.
-fn require_field_decl_ref(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<DeclarationId, EmitError> {
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .and_then(|(_, v)| match v {
-            FieldValue::Reference(id) => Some(*id),
-            _ => None,
-        })
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "realization data item is missing a required Reference field or has wrong shape — see lower_record_to_structural inhabitance check",
-        })
-}
-
-/// Required-field lookup: returns `Err` if the field is absent or
-/// not a `FieldValue::Literal(LiteralBits::String)`. Same
-/// fail-closed semantics as `require_field_decl_ref`.
-fn require_field_string(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<String, EmitError> {
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .and_then(|(_, v)| match v {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "realization data item is missing a required String field or has wrong shape — see lower_record_to_structural inhabitance check",
-        })
-}
-
-fn require_field_bool(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<bool, EmitError> {
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .and_then(|(_, v)| match v {
-            FieldValue::Literal(LiteralBits::Bool(b)) => Some(*b),
-            _ => None,
-        })
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "realization data item is missing a required Bool field or has wrong shape — see lower_record_to_structural inhabitance check",
-        })
-}
-
-fn require_field_bindings(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<HashMap<String, FieldBindingBinding>, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "fields")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "TypeRealization is missing required `fields` list",
-        })?;
-    let FieldValue::List(entries) = value else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "TypeRealization.fields must be a structural list",
-        });
-    };
-    let mut bindings = HashMap::new();
-    for entry in entries {
-        let FieldValue::Record(fields) = entry else {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldBinding entries must be structural records",
-            });
-        };
-        let dag_name = fields
-            .iter()
-            .find(|(label, _)| label == "dag_name")
-            .and_then(|(_, value)| match value {
-                FieldValue::Literal(LiteralBits::String(name)) => Some(name.clone()),
-                _ => None,
-            })
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldBinding.dag_name must be a String literal",
-            })?;
-        let rust_access = fields
-            .iter()
-            .find(|(label, _)| label == "access")
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldBinding.access is required",
-            })
-            .and_then(|(_, value)| parse_rust_field_access(dag, value, declaration))?;
-        let borrowed_read = fields
-            .iter()
-            .find(|(label, _)| label == "borrowed_read")
-            .and_then(|(_, value)| match value {
-                FieldValue::Literal(LiteralBits::Bool(value)) => Some(*value),
-                _ => None,
-            })
-            .unwrap_or(false);
-        if bindings
-            .insert(
-                dag_name,
-                FieldBindingBinding {
-                    access: rust_access,
-                    borrowed_read,
-                },
-            )
-            .is_some()
-        {
-            return Err(EmitError::DuplicateRealization {
-                declaration,
-                detail: "TypeRealization.fields contains duplicate dag_name entries",
-            });
-        }
-    }
-    Ok(bindings)
-}
-
-fn parse_rust_field_access(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<RustFieldAccessBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "FieldBinding.access must be a FieldAccess variant",
-        });
-    };
-    if payload.len() != 1 {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "FieldAccess variants must carry exactly one String payload",
-        });
-    }
-    let name = match &payload[0] {
-        FieldValue::Literal(LiteralBits::String(name)) => name.clone(),
-        _ => {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldAccess payload must be a String literal",
-            });
-        }
-    };
-    let variants = dag.emit_model_variants();
-    let direct_field =
-        variants
-            .field_access
-            .direct_field
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldAccess.DirectField declaration was not found",
-            })?;
-    let accessor_method =
-        variants
-            .field_access
-            .accessor_method
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "FieldAccess.AccessorMethod declaration was not found",
-            })?;
-    if *constructor == direct_field {
-        Ok(RustFieldAccessBinding::DirectField(name))
-    } else if *constructor == accessor_method {
-        Ok(RustFieldAccessBinding::AccessorMethod(name))
-    } else {
-        Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "RustFieldAccess constructor must be DirectField or AccessorMethod",
-        })
-    }
-}
-
-fn require_callable_strategy(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<RustCallableStrategyBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "strategy")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization is missing required `strategy` field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.strategy must be a CallableStrategy variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableStrategy variants must not carry payload fields",
-        });
-    }
-    let variants = dag.callable_strategy_variants();
-    let strategies = [
-        (variants.list_empty, RustCallableStrategyBinding::ListEmpty),
-        (
-            variants.list_singleton,
-            RustCallableStrategyBinding::ListSingleton,
-        ),
-        (variants.list_cons, RustCallableStrategyBinding::ListCons),
-        (
-            variants.list_concat,
-            RustCallableStrategyBinding::ListConcat,
-        ),
-        (
-            variants.list_length,
-            RustCallableStrategyBinding::ListLength,
-        ),
-        (
-            variants.list_is_empty,
-            RustCallableStrategyBinding::ListIsEmpty,
-        ),
-        (variants.list_fold, RustCallableStrategyBinding::ListFold),
-        (variants.list_map, RustCallableStrategyBinding::ListMap),
-        (
-            variants.list_filter,
-            RustCallableStrategyBinding::ListFilter,
-        ),
-        (
-            variants.list_contains,
-            RustCallableStrategyBinding::ListContains,
-        ),
-    ];
-    for (variant_id, binding) in strategies {
-        let Some(variant_id) = variant_id else {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableStrategy variant declaration was not found",
-            });
-        };
-        if *constructor == variant_id {
-            return Ok(binding);
-        }
-    }
-    Err(EmitError::MalformedRealization {
-        declaration,
-        detail:
-            "RustCallableStrategy constructor must be ListEmpty/ListSingleton/ListCons/ListConcat/ListLength/ListIsEmpty/ListFold/ListMap/ListFilter/ListContains",
-    })
-}
-
-/// Parse and validate the `parameters` list on a CallableRealization.
-/// Each entry is a `CallableParameter` record with `slot: Int` and
-/// `disposition: ParameterDisposition`. Returns a Vec indexed by slot
-/// (length == `expected_arity`). Validation makes arity and order
-/// drift unrepresentable: any missing slot, duplicate slot, or
-/// out-of-range slot fails closed at build time instead of silently
-/// defaulting to Borrowed at use time.
-fn require_parameter_dispositions(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-    expected_arity: usize,
-) -> Result<Vec<ParameterDispositionBinding>, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "parameters")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization is missing required `parameters` field",
-        })?;
-    let FieldValue::List(entries) = value else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.parameters must be a structural list",
-        });
-    };
-    if entries.len() != expected_arity {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.parameters length does not match the callable's Arrow input arity",
-        });
-    }
-    let mut filled: Vec<Option<ParameterDispositionBinding>> = vec![None; expected_arity];
-    for entry in entries {
-        let (slot, disposition) = parse_callable_parameter(dag, entry, declaration)?;
-        if slot >= expected_arity {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableParameter.slot is out of range for the callable's declared arity",
-            });
-        }
-        if filled[slot].is_some() {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableParameter.slot is duplicated within parameters list",
-            });
-        }
-        filled[slot] = Some(disposition);
-    }
-    filled
-        .into_iter()
-        .map(|opt| {
-            opt.ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "CallableRealization.parameters does not cover every slot in [0, arity)",
-            })
-        })
-        .collect()
-}
-
-fn parse_callable_parameter(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<(usize, ParameterDispositionBinding), EmitError> {
-    let FieldValue::Record(fields) = value else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableRealization.parameters entries must be CallableParameter records",
-        });
-    };
-    let slot = fields
-        .iter()
-        .find(|(label, _)| label == "slot")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter is missing required `slot` field",
-        })?;
-    let FieldValue::Literal(LiteralBits::Int(slot_str)) = slot else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.slot must be an Int literal",
-        });
-    };
-    let Some(slot_int) = crate::dag::literal_decimal_i64(slot_str.as_str()) else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.slot must be a decimal Int literal",
-        });
-    };
-    if slot_int < 0 {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.slot must be non-negative",
-        });
-    }
-    let disposition_value = fields
-        .iter()
-        .find(|(label, _)| label == "disposition")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter is missing required `disposition` field",
-        })?;
-    let disposition = parse_parameter_disposition(dag, disposition_value, declaration)?;
-    Ok((slot_int as usize, disposition))
-}
-
-fn parse_parameter_disposition(
-    dag: &Dag,
-    value: &FieldValue,
-    declaration: DeclarationId,
-) -> Result<ParameterDispositionBinding, EmitError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "CallableParameter.disposition must be a ParameterDisposition variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "ParameterDisposition variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let borrowed =
-        variants
-            .parameter_disposition
-            .borrowed
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "ParameterDisposition.Borrowed declaration was not found",
-            })?;
-    let consumed =
-        variants
-            .parameter_disposition
-            .consumed
-            .ok_or(EmitError::MalformedRealization {
-                declaration,
-                detail: "ParameterDisposition.Consumed declaration was not found",
-            })?;
-    if *constructor == borrowed {
-        Ok(ParameterDispositionBinding::Borrowed)
-    } else if *constructor == consumed {
-        Ok(ParameterDispositionBinding::Consumed)
-    } else {
-        Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "ParameterDisposition constructor must be Borrowed or Consumed",
-        })
-    }
-}
-
-/// Structural boundary check for `PatternRealization.empty_variant` /
-/// `cons_variant`. These fields carry typed `DeclarationRef`s, but
-/// `DeclarationRef` alone cannot express the shape constraint "must be
-/// a variant of `target`'s Disj" — so the spec grammar admits
-/// `empty_variant: Int` even though it is nonsensical.
-///
-/// Reject-at-boundary: after parsing a realization, walk `target` to
-/// its Disj and verify both role refs match one of the variants' `ty`,
-/// and that they are distinct. A malformed spec surfaces loudly via
-/// `MalformedRealization` instead of silently producing emitter output
-/// that never finds the named branch arm at render time.
-fn validate_pattern_roles(
-    dag: &Dag,
-    target: DeclarationId,
-    binding: &PatternRealizationBinding,
-    declaration: DeclarationId,
-) -> Result<(), EmitError> {
-    let disj_id = walk_to_disj(dag, target).ok_or(EmitError::MalformedRealization {
-        declaration,
-        detail:
-            "PatternRealization.target must resolve to a Disj — empty_variant / cons_variant have no target to range over otherwise",
-    })?;
-    let TypeConnective::Disj { variants } = &dag.declaration(disj_id).connective else {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail: "walk_to_disj returned a non-Disj declaration (internal invariant violation)",
-        });
-    };
-    let has_empty = variants.iter().any(|v| v.ty == binding.empty_variant);
-    if !has_empty {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "PatternRealization.empty_variant must be a variant of `target` — structural boundary check rejects unrelated DeclarationRefs",
-        });
-    }
-    let has_cons = variants.iter().any(|v| v.ty == binding.cons_variant);
-    if !has_cons {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "PatternRealization.cons_variant must be a variant of `target` — structural boundary check rejects unrelated DeclarationRefs",
-        });
-    }
-    if binding.empty_variant == binding.cons_variant {
-        return Err(EmitError::MalformedRealization {
-            declaration,
-            detail:
-                "PatternRealization.empty_variant and cons_variant must be distinct variants of `target`",
-        });
-    }
-    Ok(())
-}
-
-fn require_pattern_realization(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<PatternRealizationBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "strategy")
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedRealization {
-            declaration,
-            detail: "PatternRealization is missing required `strategy` field",
-        })?;
-    match parse_pattern_strategy(dag, value) {
-        Ok(PatternStrategyBinding::VectorList) => {}
-        Err(detail) => {
-            return Err(EmitError::MalformedRealization {
-                declaration,
-                detail,
-            });
-        }
-    }
-    Ok(PatternRealizationBinding {
-        empty_variant: require_field_decl_ref(fields, "empty_variant", declaration)?,
-        cons_variant: require_field_decl_ref(fields, "cons_variant", declaration)?,
-        scrutinee: require_field_string(fields, "scrutinee", declaration)?,
-        empty_pattern: require_field_string(fields, "empty_pattern", declaration)?,
-        cons_pattern: require_field_string(fields, "cons_pattern", declaration)?,
-        head_expr: require_field_string(fields, "head_expr", declaration)?,
-        tail_expr: require_field_string(fields, "tail_expr", declaration)?,
-    })
-}
-
-fn require_read_strategy(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<ReadStrategyBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "RenderingModel is missing a required field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "RenderingModel.read must be a ReadStrategy variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ReadStrategy variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let borrow_variant = variants
-        .read_strategy
-        .borrow
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ReadStrategy.Borrow declaration was not found",
-        })?;
-    let pass_variant =
-        variants
-            .read_strategy
-            .pass_by_value
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "ReadStrategy.PassByValue declaration was not found",
-            })?;
-    if *constructor == borrow_variant {
-        Ok(ReadStrategyBinding::Borrow)
-    } else if *constructor == pass_variant {
-        Ok(ReadStrategyBinding::PassByValue)
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "RenderingModel.read must be Borrow or PassByValue",
-        })
-    }
-}
-
-fn require_construct_strategy(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<ConstructStrategyBinding, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "RenderingModel is missing a required field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "RenderingModel.construct must be a ConstructStrategy variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ConstructStrategy variants must not carry payload fields",
-        });
-    }
-    let variants = dag.emit_model_variants();
-    let copy_or_clone =
-        variants
-            .construct_strategy
-            .copy_or_clone
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "ConstructStrategy.CopyOrClone declaration was not found",
-            })?;
-    let pass_variant =
-        variants
-            .construct_strategy
-            .pass_by_value
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "ConstructStrategy.PassByValue declaration was not found",
-            })?;
-    if *constructor == copy_or_clone {
-        Ok(ConstructStrategyBinding::CopyOrClone)
-    } else if *constructor == pass_variant {
-        Ok(ConstructStrategyBinding::PassByValue)
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "RenderingModel.construct must be CopyOrClone or PassByValue",
-        })
-    }
-}
-
-fn require_source_mutability(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<SourceMutabilityBinding, EmitError> {
-    let value = require_unit_variant_field(fields, "mutability", declaration)?;
-    let variants = dag.emit_model_variants();
-    let immutable = variants
-        .mutability
-        .immutable
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "Mutability.Immutable declaration was not found",
-        })?;
-    let mutable = variants
-        .mutability
-        .mutable
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "Mutability.Mutable declaration was not found",
-        })?;
-    if value == immutable {
-        Ok(SourceMutabilityBinding::Immutable)
-    } else if value == mutable {
-        Ok(SourceMutabilityBinding::Mutable)
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ComputationModel.mutability must be Immutable or Mutable",
-        })
-    }
-}
-
-fn require_source_purity(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<SourcePurityBinding, EmitError> {
-    let value = require_unit_variant_field(fields, "purity", declaration)?;
-    let variants = dag.emit_model_variants();
-    let pure = variants
-        .purity
-        .pure
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "Purity.Pure declaration was not found",
-        })?;
-    let effectful = variants
-        .purity
-        .effectful
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "Purity.Effectful declaration was not found",
-        })?;
-    if value == pure {
-        Ok(SourcePurityBinding::Pure)
-    } else if value == effectful {
-        Ok(SourcePurityBinding::Effectful)
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ComputationModel.purity must be Pure or Effectful",
-        })
-    }
-}
-
-fn require_source_structure(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<SourceStructureBinding, EmitError> {
-    let value = require_unit_variant_field(fields, "structure", declaration)?;
-    let variants = dag.emit_model_variants();
-    let explicit = variants
-        .structure
-        .explicit_dag
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "Structure.ExplicitDAG declaration was not found",
-        })?;
-    let arbitrary = variants
-        .structure
-        .arbitrary
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "Structure.Arbitrary declaration was not found",
-        })?;
-    if value == explicit {
-        Ok(SourceStructureBinding::ExplicitDag)
-    } else if value == arbitrary {
-        Ok(SourceStructureBinding::Arbitrary)
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ComputationModel.structure must be ExplicitDAG or Arbitrary",
-        })
-    }
-}
-
-fn require_source_iteration(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<SourceIterationBinding, EmitError> {
-    let value = require_unit_variant_field(fields, "iteration", declaration)?;
-    let bounded =
-        dag.emit_model_variants()
-            .iteration
-            .bounded
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "Iteration.Bounded declaration was not found",
-            })?;
-    let unbounded =
-        dag.emit_model_variants()
-            .iteration
-            .unbounded
-            .ok_or(EmitError::MalformedTargetSyntax {
-                declaration,
-                detail: "Iteration.Unbounded declaration was not found",
-            })?;
-    if value == bounded {
-        Ok(SourceIterationBinding::Bounded)
-    } else if value == unbounded {
-        Ok(SourceIterationBinding::Unbounded)
-    } else {
-        Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "ComputationModel.iteration must be Bounded or Unbounded",
-        })
-    }
-}
-
-fn require_memory_model(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<MemoryModelBinding, EmitError> {
-    let value = require_unit_variant_field(fields, "memory", declaration)?;
-    let variants = dag.emit_model_variants();
-    let memory_variants = [
-        (
-            variants.memory_model.value_only,
-            MemoryModelBinding::ValueOnly,
-            "MemoryModel.ValueOnly declaration was not found",
-        ),
-        (
-            variants.memory_model.garbage_collected,
-            MemoryModelBinding::GarbageCollected,
-            "MemoryModel.GarbageCollected declaration was not found",
-        ),
-        (
-            variants.memory_model.ref_counted,
-            MemoryModelBinding::RefCounted,
-            "MemoryModel.RefCounted declaration was not found",
-        ),
-        (
-            variants.memory_model.ownership_based,
-            MemoryModelBinding::OwnershipBased,
-            "MemoryModel.OwnershipBased declaration was not found",
-        ),
-    ];
-    for (variant, binding, detail) in memory_variants {
-        let variant = variant.ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail,
-        })?;
-        if value == variant {
-            return Ok(binding);
-        }
-    }
-    Err(EmitError::MalformedTargetSyntax {
-        declaration,
-        detail:
-            "TargetExecutionModel.memory must be ValueOnly/GarbageCollected/RefCounted/OwnershipBased",
-    })
-}
-
-fn require_scope_model(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    declaration: DeclarationId,
-) -> Result<ScopeModelBinding, EmitError> {
-    let value = require_unit_variant_field(fields, "scope", declaration)?;
-    let variants = dag.emit_model_variants();
-    let scope_variants = [
-        (
-            variants.scope_model.lexical_scoping,
-            ScopeModelBinding::LexicalScoping,
-            "ScopeModel.LexicalScoping declaration was not found",
-        ),
-        (
-            variants.scope_model.dynamic_scoping,
-            ScopeModelBinding::DynamicScoping,
-            "ScopeModel.DynamicScoping declaration was not found",
-        ),
-    ];
-    for (variant, binding, detail) in scope_variants {
-        let variant = variant.ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail,
-        })?;
-        if value == variant {
-            return Ok(binding);
-        }
-    }
-    Err(EmitError::MalformedTargetSyntax {
-        declaration,
-        detail: "TargetExecutionModel.scope must be LexicalScoping or DynamicScoping",
-    })
-}
-
-fn require_unit_variant_field(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    declaration: DeclarationId,
-) -> Result<DeclarationId, EmitError> {
-    let value = fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .map(|(_, value)| value)
-        .ok_or(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "target-model declaration is missing a required field",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "target-model field must be a unit variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(EmitError::MalformedTargetSyntax {
-            declaration,
-            detail: "target-model variants must not carry payload fields",
-        });
-    }
-    Ok(*constructor)
-}
-
-fn derive_callable_dispositions(
-    dag: &Dag,
-    external: &HashMap<DeclarationId, Vec<ParameterDispositionBinding>>,
-) -> Result<HashMap<DeclarationId, Vec<ParameterDispositionBinding>>, EmitError> {
-    let mut dispositions = external.clone();
-    let user_defined: Vec<DeclarationId> = dag
-        .declarations()
-        .iter()
-        .filter_map(|decl| match &decl.connective {
-            TypeConnective::Arrow {
-                body: ArrowBody::UserDefined(_),
-                ..
-            } => Some(decl.id),
-            _ => None,
-        })
-        .collect();
-
-    for declaration in &user_defined {
-        let TypeConnective::Arrow { inputs, .. } = &dag.declaration(*declaration).connective else {
-            continue;
-        };
-        dispositions
-            .entry(*declaration)
-            .or_insert_with(|| vec![ParameterDispositionBinding::Borrowed; inputs.len()]);
-    }
-
-    loop {
-        let mut changed = false;
-        for declaration in &user_defined {
-            let next = analyze_user_defined_callable(dag, *declaration, &dispositions)?;
-            let entry = dispositions
-                .entry(*declaration)
-                .or_insert_with(|| next.clone());
-            let merged: Vec<_> = entry
-                .iter()
-                .copied()
-                .zip(next.iter().copied())
-                .map(|(current, observed)| current.merge(observed))
-                .collect();
-            if *entry != merged {
-                *entry = merged;
-                changed = true;
-            }
-        }
-        if !changed {
-            return Ok(dispositions);
-        }
-    }
-}
-
-fn analyze_user_defined_callable(
-    dag: &Dag,
-    declaration: DeclarationId,
-    dispositions: &HashMap<DeclarationId, Vec<ParameterDispositionBinding>>,
-) -> Result<Vec<ParameterDispositionBinding>, EmitError> {
-    let TypeConnective::Arrow { inputs, body, .. } = &dag.declaration(declaration).connective
-    else {
-        return Err(EmitError::MalformedUserDefinedCallable {
-            declaration,
-            detail: "callable declaration is not an Arrow",
-        });
-    };
-    let ArrowBody::UserDefined(bind_id) = body else {
-        return Err(EmitError::MalformedUserDefinedCallable {
-            declaration,
-            detail: "user-defined callable does not have a UserDefined Arrow body",
-        });
-    };
-    let Some(bind) = (*bind_id).bind_opt(dag) else {
-        return Err(EmitError::MalformedUserDefinedCallable {
-            declaration,
-            detail: "user-defined callable body does not point to a Bind node",
-        });
-    };
-    if bind.params.len() < inputs.len() {
-        return Err(EmitError::MalformedUserDefinedCallable {
-            declaration,
-            detail: "Bind.params has fewer ports than the Arrow declares inputs",
-        });
-    }
-
-    let runtime_params = &bind.params[bind.params.len() - inputs.len()..];
-    let runtime_index: HashMap<PortId, usize> = runtime_params
-        .iter()
-        .copied()
-        .enumerate()
-        .map(|(idx, port)| (port, idx))
-        .collect();
-    let mut observed = vec![ParameterDispositionBinding::Borrowed; inputs.len()];
-    let mut queue = vec![bind.value];
-    if let Some(&index) = runtime_index.get(&bind.value) {
-        observed[index] = observed[index].merge(ParameterDispositionBinding::Consumed);
-    }
-    let mut expanded = HashSet::new();
-
-    while let Some(port) = queue.pop() {
-        if !expanded.insert(port) {
-            continue;
-        }
-        let Some(producer) = dag.port(port).produced_by else {
-            continue;
-        };
-        match dag.node(producer) {
-            Behavior::Value(_) => {}
-            Behavior::Transform(t) => {
-                for (slot, input) in t.inputs.iter().copied().enumerate() {
-                    let disposition = transform_input_disposition(dag, t, slot, dispositions);
-                    if let Some(&index) = runtime_index.get(&input) {
-                        observed[index] = observed[index].merge(disposition);
-                    }
-                    queue.push(input);
-                }
-            }
-            Behavior::Branch(b) => {
-                if let Some(&index) = runtime_index.get(&b.input) {
-                    observed[index] = observed[index].merge(ParameterDispositionBinding::Borrowed);
-                }
-                queue.push(b.input);
-                for path in &b.paths {
-                    if let Some(&index) = runtime_index.get(&path.output) {
-                        observed[index] =
-                            observed[index].merge(ParameterDispositionBinding::Consumed);
-                    }
-                    queue.push(path.output);
-                }
-            }
-            Behavior::Loop(l) => {
-                for input in [Some(l.source), Some(l.init), l.bound.count_port()] {
-                    let Some(input) = input else {
-                        continue;
-                    };
-                    if let Some(&index) = runtime_index.get(&input) {
-                        observed[index] =
-                            observed[index].merge(ParameterDispositionBinding::Borrowed);
-                    }
-                    queue.push(input);
-                }
-                let body_port = super::behavior_result_port(dag.node(l.body));
-                if let Some(&index) = runtime_index.get(&body_port) {
-                    observed[index] = observed[index].merge(ParameterDispositionBinding::Consumed);
-                }
-                queue.push(body_port);
-            }
-            Behavior::Bind(b) => {
-                // Bind is a naming node (thesis: let-bindings give a
-                // name to a value, they do not consume it). The
-                // disposition of the bound value is determined by the
-                // downstream consumer of the bound name, not by the
-                // Bind itself. Walk through transparently.
-                queue.push(b.value);
-            }
-        }
-    }
-
-    Ok(observed)
-}
-
-fn transform_input_disposition(
-    dag: &Dag,
-    transform: &TransformNode,
-    slot: usize,
-    dispositions: &HashMap<DeclarationId, Vec<ParameterDispositionBinding>>,
-) -> ParameterDispositionBinding {
-    match &transform.target {
-        TransformTarget::Operator(_)
-        | TransformTarget::UnresolvedFieldProject { .. }
-        | TransformTarget::ResolvedFieldProject { .. } => ParameterDispositionBinding::Borrowed,
-        TransformTarget::Callable(target) => {
-            callable_input_disposition_for_target(dag, *target, slot, dispositions)
-        }
-    }
-}
-
-fn callable_input_disposition_for_target(
-    dag: &Dag,
-    target: DeclarationId,
-    slot: usize,
-    dispositions: &HashMap<DeclarationId, Vec<ParameterDispositionBinding>>,
-) -> ParameterDispositionBinding {
-    let (template, _) = callable_template(target, dag);
-    let decl = dag.declaration(template);
-    match &decl.connective {
-        TypeConnective::Arrow { inputs, .. } => dispositions
-            .get(&template)
-            .and_then(|values| values.get(slot).copied())
-            .unwrap_or({
-                if slot < inputs.len() {
-                    ParameterDispositionBinding::Borrowed
-                } else {
-                    ParameterDispositionBinding::Consumed
-                }
-            }),
-        TypeConnective::Conj { children } => {
-            if slot < children.len() {
-                ParameterDispositionBinding::Consumed
-            } else {
-                ParameterDispositionBinding::Borrowed
-            }
-        }
-        TypeConnective::Disj { variants } => {
-            let Some(variant_decl) = variants.first().map(|variant| variant.ty) else {
-                return ParameterDispositionBinding::Borrowed;
-            };
-            match &dag.declaration(variant_decl).connective {
-                TypeConnective::Conj { children } if slot < children.len() => {
-                    ParameterDispositionBinding::Consumed
-                }
-                _ => ParameterDispositionBinding::Borrowed,
-            }
-        }
-        _ => ParameterDispositionBinding::Borrowed,
-    }
-}
-
-pub(crate) type EmitRustMode = EmitMode;
-
-fn scheduling_behavior_inputs(dag: &Dag, behavior: &Behavior) -> Vec<PortId> {
-    match behavior {
-        Behavior::Value(_) => Vec::new(),
-        Behavior::Transform(t) => t.inputs.clone(),
-        Behavior::Branch(b) => {
-            let mut inputs = vec![b.input];
-            inputs.extend(b.paths.iter().map(|path| path.output));
-            inputs
-        }
-        Behavior::Loop(l) => {
-            let mut inputs = vec![l.source, l.init];
-            if let Some(count) = l.bound.count_port() {
-                inputs.push(count);
-            }
-            inputs.push(loop_body_result_port(dag, l));
-            inputs
-        }
-        Behavior::Bind(b) => vec![b.value],
-    }
-}
-
-fn loop_body_result_port(dag: &Dag, l: &LoopNode) -> PortId {
-    match dag.node(l.body) {
-        Behavior::Value(v) => v.output,
-        Behavior::Transform(t) => t.output,
-        Behavior::Branch(b) => b.output,
-        Behavior::Loop(inner) => inner.output,
-        Behavior::Bind(b) => b.value,
-    }
-}
-
-/// Walk upstream from `from_port` through producer→input edges; returns true when `to_port` is reachable.
-fn port_reaches_upstream(dag: &Dag, from_port: PortId, to_port: PortId) -> bool {
-    let mut seen: HashSet<PortId> = HashSet::new();
-    let mut queue = vec![from_port];
-    while let Some(port) = queue.pop() {
-        if !seen.insert(port) {
-            continue;
-        }
-        if port == to_port {
-            return true;
-        }
-        let Some(producer) = dag.port(port).produced_by else {
-            continue;
-        };
-        queue.extend(scheduling_behavior_inputs(dag, dag.node(producer)));
-    }
-    false
-}
-
-/// True when every pair of top-level binds has no value→value dependency in either direction.
-///
-/// Used for R3 free-consequence auto-parallelism: only **pairwise** independent clusters emit a
-/// single `std::thread::scope` batch (wave scheduling across dependent layers is deferred).
-fn top_level_binds_pairwise_independent(dag: &Dag, binds: &[&BindNode]) -> bool {
-    if binds.len() < 2 {
-        return false;
-    }
-    for i in 0..binds.len() {
-        for j in (i + 1)..binds.len() {
-            if port_reaches_upstream(dag, binds[i].value, binds[j].value)
-                || port_reaches_upstream(dag, binds[j].value, binds[i].value)
-            {
-                return false;
-            }
-        }
-    }
-    true
-}
-
-/// Top-level value `Bind` nodes that participate in Rust program-mode emission, in `Dag::nodes`
-/// order. **Single selector** for `emit_rust_with_mode` and W1 (`last_emit_rust_program_top_level_value_bind_name`).
-fn program_mode_top_level_value_binds<'a>(
-    dag: &'a Dag,
-    indexes: &RealizationIndexes,
-) -> Vec<&'a crate::dag::BindNode> {
-    let callable_body_binds: std::collections::HashSet<_> = dag
-        .declarations()
-        .iter()
-        .filter_map(|decl| match &decl.connective {
-            TypeConnective::Arrow {
-                body: ArrowBody::UserDefined(bind_id),
-                ..
-            } => Some(bind_id.node_id()),
-            _ => None,
-        })
-        .collect();
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .filter(|bind| !indexes.source_filtering.excludes(&bind.span.file))
-        .filter(|bind| !callable_body_binds.contains(&bind.id))
-        .filter(|b| b.params.is_empty())
-        .collect()
-}
-
-pub(crate) fn emit_rust_with_mode(dag: &Dag, mode: EmitRustMode) -> Result<String, EmitError> {
-    let indexes = RealizationIndexes::build(dag)?;
-    if !indexes.execution.is_lexically_scoped() {
-        return Err(EmitError::UnsupportedBehavior(
-            "emit_rust requires rust_execution_model.scope = LexicalScoping".to_string(),
-        ));
-    }
-    let input_use_facts = InputUseFacts::build(dag, &indexes);
-
-    // Resolve the substrate markers we need ONCE up front. Each
-    // marker is a typed `DeclarationId` cached at bootstrap end
-    // from `src/v3/spec/v3_l1.dag`; if any is missing, the file
-    // failed to load and emit can't proceed. Rendering downstream
-    // uses the bound handles, never a name string.
-    let main_marker = dag
-        .main_marker()
-        .ok_or(EmitError::MissingSubstrateMarker(SubstrateMarkerRole::Main))?;
-    let type_decls: Vec<_> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| !indexes.source_filtering.excludes(&decl.span.file))
-        .filter(|decl| decl.name.is_some())
-        // `type Result<ok, err> = ...` in `error_primitives.dag` is
-        // type-checking authority; Rust
-        // materializes it as `::core::result::Result<…>`. Generic `Result` is not
-        // emitted as a Rust `enum` (and would collide with the prelude if it were).
-        .filter(|decl| !super::substrate_result_type_decl_suppressed_for_emit(dag, decl))
-        .filter(|decl| !super::substrate_div_error_type_decl_suppressed_for_emit(dag, decl))
-        .filter(|decl| {
-            matches!(
-                decl.connective,
-                TypeConnective::Conj { .. } | TypeConnective::Disj { .. }
-            )
-        })
-        .collect();
-    let function_decls: Vec<_> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| !indexes.source_filtering.excludes(&decl.span.file))
-        .filter(|decl| decl.name.is_some())
-        .filter(|decl| {
-            !decl
-                .name
-                .as_deref()
-                .is_some_and(|name| name.starts_with("__anon_lambda_"))
-        })
-        .filter(|decl| {
-            matches!(
-                decl.connective,
-                TypeConnective::Arrow {
-                    body: ArrowBody::UserDefined(_),
-                    ..
-                }
-            )
-        })
-        .collect();
-    let top_level_binds = program_mode_top_level_value_binds(dag, &indexes);
-
-    if mode == EmitRustMode::Program && top_level_binds.is_empty() {
-        return Err(EmitError::UnsupportedBehavior(
-            "emit_rust requires at least one top-level value Bind".to_string(),
-        ));
-    }
-    if mode == EmitRustMode::Module && !top_level_binds.is_empty() {
-        return Err(EmitError::UnsupportedBehavior(
-            "emit_rust module mode does not support top-level value Binds".to_string(),
-        ));
-    }
-
-    // Build the port→bind-name index. When `render_port` recurses
-    // into a sub-expression and lands on a port that an earlier
-    // top-level Bind already named, it uses the name instead of
-    // re-rendering the sub-DAG. This is the structural difference
-    // between "the value" and "the named binding pointing at the
-    // value" — the substrate stores both pieces and the emitter
-    // chooses based on whether the consumer crossed a Bind boundary
-    // upstream. Top-level value rendering uses
-    // `render_top_level_value` which intentionally bypasses the
-    // index for its own bind's value (otherwise every let statement
-    // would render as `let x: i64 = x;`).
-    let mut bound_names: HashMap<PortId, LocalBinding> = HashMap::new();
-    for bind in &top_level_binds {
-        bound_names.insert(bind.value, LocalBinding::Owned(bind.name.clone()));
-    }
-
-    let ctx = Ctx {
-        dag,
-        indexes: &indexes,
-        bound_names: &bound_names,
-        input_use_facts: &input_use_facts,
-        mode,
-    };
-
-    let rendered_types: Vec<String> = type_decls
-        .iter()
-        .map(|decl| ctx.render_type_declaration(decl))
-        .collect::<Result<Vec<_>, _>>()?;
-    let rendered_functions: Vec<String> = function_decls
-        .iter()
-        .map(|decl| ctx.render_function_declaration(decl))
-        .collect::<Result<Vec<_>, _>>()?;
-    let needs_int_div_prelude =
-        dag_needs_div_error_prelude(dag, &type_decls, &top_level_binds, &function_decls);
-    if let (true, Some(name)) = (
-        needs_int_div_prelude,
-        div_prelude_reserved_name_collision(
-            dag,
-            type_decls.iter(),
-            function_decls.iter(),
-            top_level_binds.iter(),
-            "__v3_int_div",
-        ),
-    ) {
-        return Err(EmitError::UnsupportedBehavior(format!(
-            "Rust checked-division prelude would collide with user-defined `{name}`"
-        )));
-    }
-
-    // `DivError` and other `dsl/std` types are excluded from `type_decls` (see
-    // `rust_source_filtering`); the division helper must still compile, so the
-    // v3 error enum + `__v3_int_div` are emitted as a small prelude. Names
-    // align with `std.error_primitives.DivError` for `Result<…, DivError>` / `rust_int_div`.
-    //
-    // Dissolution trigger (M1 scaffold): delete when `dsl/std/error_primitives` emits through
-    // the normal filtered-type path (no separate string prelude).
-    const RUST_V3_INT_OP_PRELUDE: &str = r#"#[derive(Copy, Clone, Debug, PartialEq, Eq)]
-pub enum DivError { DivideByZero, Overflow }
-pub fn __v3_int_div(l: i64, r: i64) -> ::core::result::Result<i64, DivError> {
-    if r == 0 {
-        return ::core::result::Result::Err(DivError::DivideByZero);
-    }
-    if l == i64::MIN && r == -1 {
-        return ::core::result::Result::Err(DivError::Overflow);
-    }
-    ::core::result::Result::Ok(l / r)
-}
-"#;
-
-    let type_defs = join_rendered(&rendered_types, " ");
-    let function_defs = join_rendered(&rendered_functions, " ");
-    let mut sections: Vec<String> = Vec::new();
-    if needs_int_div_prelude {
-        sections.push(RUST_V3_INT_OP_PRELUDE.to_string());
-    }
-    if !type_defs.is_empty() {
-        sections.push(type_defs);
-    }
-    if !function_defs.is_empty() {
-        sections.push(function_defs);
-    }
-    if mode == EmitRustMode::Program {
-        let body_joined = if top_level_binds.len() >= 2
-            && top_level_binds_pairwise_independent(dag, &top_level_binds)
-            && ctx.top_level_binds_parallel_spawn_send_safe(&top_level_binds)?
-        {
-            let mut ty_parts: Vec<String> = Vec::with_capacity(top_level_binds.len());
-            let mut expr_parts: Vec<String> = Vec::with_capacity(top_level_binds.len());
-            let mut names: Vec<&str> = Vec::with_capacity(top_level_binds.len());
-            for bind in &top_level_binds {
-                ty_parts.push(ctx.rust_type_name_for_port(bind.value)?);
-                expr_parts.push(ctx.render_top_level_value(bind.value)?);
-                names.push(bind.name.as_str());
-            }
-            let tuple_ty = format!("({})", ty_parts.join(", "));
-            let tuple_pat = format!("({})", names.join(", "));
-            let mut spawn_stmts: Vec<String> = Vec::with_capacity(expr_parts.len());
-            let mut join_elems: Vec<String> = Vec::with_capacity(expr_parts.len());
-            for (idx, expr) in expr_parts.iter().enumerate() {
-                spawn_stmts.push(format!("let h{idx} = s.spawn(|| {{ {expr} }});"));
-                join_elems.push(format!("h{idx}.join().unwrap()"));
-            }
-            let spawn_block = spawn_stmts.join(" ");
-            let joined = join_elems.join(", ");
-            format!(
-                "let {tuple_pat}: {tuple_ty} = ::std::thread::scope(|s| {{ {spawn_block} ({joined}) }});"
-            )
-        } else {
-            let mut rendered_binds: Vec<String> = Vec::with_capacity(top_level_binds.len());
-            for bind in &top_level_binds {
-                let ty_name = ctx.rust_type_name_for_port(bind.value)?;
-                let value_expr = ctx.render_top_level_value(bind.value)?;
-                let rendered = render_named_template(
-                    &indexes.syntax.statements.let_binding,
-                    &[
-                        ("name", &bind.name),
-                        ("type", &ty_name),
-                        ("value", &value_expr),
-                    ],
-                );
-                rendered_binds.push(rendered);
-            }
-            join_rendered(&rendered_binds, " ")
-        };
-        let final_bind = top_level_binds.last().expect("guarded above");
-        let final_bind_name = final_bind.name.clone();
-        let final_display_expr = if ctx.port_is_substrate_result(final_bind.value)? {
-            // `std.error_primitives.Result` lowers to Rust's core Result, which
-            // does not implement Display. Keep the substrate Main template
-            // unchanged and pass it a displayable String.
-            //
-            // Dissolution trigger (M1 scaffold): delete this Debug wrapper when
-            // Result has a target-owned display realization consumed by Main emission.
-            format!("format!(\"{{:?}}\", {final_bind_name})")
-        } else {
-            final_bind_name
-        };
-
-        let main_template =
-            indexes
-                .behaviors
-                .get(&main_marker)
-                .ok_or(EmitError::MissingBehaviorRealization {
-                    marker: main_marker,
-                })?;
-        let main_program = render_named_template(
-            main_template,
-            &[
-                ("body", &body_joined),
-                ("final", &final_display_expr),
-                ("quote", &indexes.syntax.literals.string_delimiter),
-            ],
-        );
-        sections.push(main_program);
-    }
-    Ok(join_rendered(&sections, " "))
-}
-
-/// Name of the last top-level **value** `Bind` that `emit_rust` program-mode `main` prints — uses
-/// `program_mode_top_level_value_binds` (same vector construction as `emit_rust_with_mode`). W1
-/// `rust_emit_output` consults this so the runner cannot drift from emission.
-pub(crate) fn last_emit_rust_program_top_level_value_bind_name(
-    dag: &Dag,
-) -> Result<Option<String>, EmitError> {
-    let indexes = RealizationIndexes::build(dag)?;
-    Ok(program_mode_top_level_value_binds(dag, &indexes)
-        .last()
-        .map(|b| b.name.clone()))
-}
-
-/// Conservative P3 realizability gate for [`emit_rust`] parallel scheduling: each `spawn` closure
-/// must be [`Send`]. Until Send/Sync are modeled structurally, reject the parallel path when the
-/// lowered Rust type string names known non-`Send`-friendly surfaces (`Rc<dyn Fn…>`,
-/// `impl Fn + Clone`, interior mutability carriers the emitter spells explicitly).
-///
-/// **Fail closed:** return `false` → caller emits sequential `let` binds instead of scheduling Rust
-/// that `rustc` rejects at `spawn`.
-fn rust_type_name_parallel_spawn_send_safe(ty: &str) -> bool {
-    // Callable-storage carriers (`arrow_rust_emit_policy_for_arrow_decl`, api-review #676).
-    if ty.contains("dyn Fn") || ty.contains("impl Fn") {
-        return false;
-    }
-    if ty.contains("RefCell") || ty.contains("UnsafeCell") {
-        return false;
-    }
-    true
-}
-
-/// Bundled emission context. Carries the typed indexes, substrate
-/// marker handles, and bound-name index through the recursive
-/// render walk. Replaces the pre-unwind multi-arg threading where
-/// every helper took `dag, index, bound_names, ...` separately.
-///
-struct Ctx<'a> {
-    dag: &'a Dag,
-    indexes: &'a RealizationIndexes,
-    bound_names: &'a HashMap<PortId, LocalBinding>,
-    input_use_facts: &'a InputUseFacts,
-    mode: EmitRustMode,
-}
-
-#[derive(Debug, Clone)]
-enum LocalBinding {
-    Owned(String),
-    Borrowed(String),
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum RenderMode {
-    BorrowedRead,
-    CopyRead,
-    OwnedConstruct,
-    OwnedConstructLastUse,
-}
-
-#[derive(Debug, Clone, Default)]
-struct RenderLocals {
-    names: HashMap<PortId, LocalBinding>,
-    payload_bindings: HashMap<PortId, VariantPayloadBinding<LocalBinding>>,
-}
-
-/// Policy for lowering anonymous `TypeConnective::Arrow` (`fn(..)->_` types)
-/// to Rust text. `impl Trait` spellings and `Rc<dyn Fn…>` are only legal in
-/// explicit, position-specific emit paths (blocking api-review on #676).
-///
-/// **Dissolution trigger:** when position-specific Arrow carrier spellings are
-/// modeled as `rust.dag` realization rows (or equivalent single-authority data),
-/// delete this enum and route both `impl Fn + Clone` and `Rc<dyn Fn…>` through
-/// those rows instead of emitter-local policy.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ArrowRustEmitPolicy {
-    /// Reserved for fail-closed paths in future context-free seams. Not
-    /// selected by any current public entry point — all wired call sites pass
-    /// `StorageRcDynFn` (or route to `impl Fn + Clone` for user-fn params).
-    // This variant is never *constructed*; the `NoBody` + `match` arm is live if it were.
-    #[allow(dead_code)]
-    RejectFirstClassFn,
-    /// `std::rc::Rc<dyn Fn…>` — struct fields, collection instantiations,
-    /// top-level `let` annotations, inferred return slots, and nested
-    /// callable types inside `impl Fn` parameter lists.
-    StorageRcDynFn,
-}
-
-/// Machine-width slot in `Compose<Algebra, MachineWidth<…>>`: gate-#60 may allocate a fresh
-/// literal-nat id per occurrence while std aliases reuse a different id for the same bit width.
-/// Compare widths via [`crate::int_literal_ranges::gate60_machine_width_bits`], not raw
-/// `DeclarationId` equality.
-fn gate60_compose_machine_width_slots_equal(dag: &Dag, a: DeclarationId, b: DeclarationId) -> bool {
-    if a == b {
-        return true;
-    }
-    match (
-        crate::int_literal_ranges::gate60_machine_width_bits(dag, a),
-        crate::int_literal_ranges::gate60_machine_width_bits(dag, b),
-    ) {
-        (Some(ba), Some(bb)) => ba == bb,
-        _ => false,
-    }
-}
-
-/// Structural equivalence for the two `Compose` template arguments: algebra slot (position 0)
-/// must match by declaration identity; width slot (position 1) matches by gate-#60 bit width.
-fn gate60_compose_template_args_equivalent(
-    dag: &Dag,
-    left: &[TemplateArgument],
-    right: &[TemplateArgument],
-) -> bool {
-    if left.len() != 2 || right.len() != 2 {
-        return false;
-    }
-    left[0].parameter == right[0].parameter
-        && left[1].parameter == right[1].parameter
-        && left[0].value == right[0].value
-        && gate60_compose_machine_width_slots_equal(dag, left[1].value, right[1].value)
-}
-
-/// Named substrate alias (`type Int32 = Compose<…>` / `Real64`, …) that **instantiates `Compose`
-/// with the same template-argument spine** as `declaration` after gate-#60 peeling, and owns a
-/// `TypeRealization` row in `rust.dag`.
-///
-/// This bridges anonymous `Compose` ids to [`RealizationIndexes::types`] without an emitter-local
-/// algebra×width mirror (INVARIANTS P2/P5 — carrier authority is the DAG + realization rows).
-fn gate60_realized_named_compose_peer(
-    dag: &Dag,
-    types: &HashMap<DeclarationId, TypeRealizationBinding>,
-    declaration: DeclarationId,
-) -> Option<DeclarationId> {
-    let compose = crate::int_literal_ranges::compose_carrier_template_declaration_id(dag)?;
-    let peeled =
-        crate::int_literal_ranges::peel_decl_head_for_integral_float_seed(dag, declaration);
-    let d = dag.declaration(peeled);
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &d.connective
-    else {
-        return None;
-    };
-    if *template != compose || arguments.len() != 2 {
-        return None;
-    }
-    let mut matches: Vec<DeclarationId> = Vec::new();
-    for decl in dag.declarations() {
-        if decl.id == peeled {
-            continue;
-        }
-        if decl.name.is_none() {
-            continue;
-        }
-        if !types.contains_key(&decl.id) {
-            continue;
-        }
-        let TypeConnective::Instantiation {
-            template: other_template,
-            arguments: other_args,
-        } = &decl.connective
-        else {
-            continue;
-        };
-        if *other_template != compose || other_args.len() != arguments.len() {
-            continue;
-        }
-        if !gate60_compose_template_args_equivalent(dag, other_args, arguments) {
-            continue;
-        }
-        matches.push(decl.id);
-    }
-    match matches.as_slice() {
-        [one] => Some(*one),
-        _ => None,
-    }
-}
-
-#[allow(dead_code)]
-#[derive(Debug, Clone, Copy)]
-enum InputConsumer<'a> {
-    Transform(&'a TransformNode),
-    Branch(&'a BranchNode),
-    Loop(&'a crate::dag::LoopNode),
-}
-
-impl<'a> Ctx<'a> {
-    /// P3 parallel-schedule realizability: [`std::thread::spawn`] requires `Send` closures.
-    /// Fail closed to sequential `let` emission when any bind's lowered Rust type may include
-    /// non-`Send` callable surfaces (`Rc<dyn Fn…>`, `impl Fn + Clone`, …).
-    fn top_level_binds_parallel_spawn_send_safe(
-        &self,
-        binds: &[&BindNode],
-    ) -> Result<bool, EmitError> {
-        for bind in binds {
-            let ty = self.rust_type_name_for_port(bind.value)?;
-            if !rust_type_name_parallel_spawn_send_safe(&ty) {
-                return Ok(false);
-            }
-        }
-        Ok(true)
-    }
-
-    fn elide_explicit_borrow(&self, expr: &str) -> String {
-        expr.strip_prefix('&').unwrap_or(expr).to_string()
-    }
-
-    fn borrowed_list_literal(&self, expr: &str) -> Option<String> {
-        if expr == self.indexes.syntax.collection_ops.empty_list {
-            return Some("&[]".to_string());
-        }
-        expr.strip_prefix("vec![")
-            .and_then(|tail| tail.strip_suffix(']'))
-            .map(|elements| format!("&[{elements}]"))
-    }
-
-    fn render_borrowed_expr(&self, port: PortId, expr: String) -> Result<String, EmitError> {
-        match self.read_strategy() {
-            ReadStrategyBinding::Borrow => {
-                if self.port_is_list(port)? {
-                    if let Some(slice) = self.borrowed_list_literal(&expr) {
-                        return Ok(slice);
-                    }
-                }
-                Ok(format!("&({expr})"))
-            }
-            ReadStrategyBinding::PassByValue => Ok(expr),
-        }
-    }
-
-    fn render_collection_receiver(
-        &self,
-        consumer: InputConsumer<'_>,
-        slot: InputSlot,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let recv = self.render_input_use(consumer, slot, locals)?;
-        Ok(self.elide_explicit_borrow(&recv))
-    }
-
-    fn read_strategy(&self) -> ReadStrategyBinding {
-        self.indexes.rendering.read
-    }
-
-    fn construct_strategy(&self) -> ConstructStrategyBinding {
-        self.indexes.rendering.construct
-    }
-
-    fn callable_param_dispositions(
-        &self,
-        declaration: DeclarationId,
-        input_count: usize,
-    ) -> Vec<ParameterDispositionBinding> {
-        self.indexes
-            .callable_dispositions
-            .get(&declaration)
-            .cloned()
-            .unwrap_or_else(|| vec![ParameterDispositionBinding::Borrowed; input_count])
-    }
-
-    fn ownership_edge_rendering_enabled(&self) -> bool {
-        self.indexes.computation.is_canonical_dag() && self.indexes.execution.is_ownership_based()
-    }
-
-    fn render_binding(
-        &self,
-        port: PortId,
-        binding: &LocalBinding,
-        mode: RenderMode,
-    ) -> Result<String, EmitError> {
-        match mode {
-            RenderMode::BorrowedRead => match self.read_strategy() {
-                ReadStrategyBinding::Borrow => match binding {
-                    LocalBinding::Owned(name) => Ok(format!("&{name}")),
-                    LocalBinding::Borrowed(expr) => Ok(expr.clone()),
-                },
-                ReadStrategyBinding::PassByValue => match binding {
-                    LocalBinding::Owned(name) => {
-                        if self.port_is_copy(port)? {
-                            Ok(name.clone())
-                        } else {
-                            Ok(format!("({name}).clone()"))
-                        }
-                    }
-                    LocalBinding::Borrowed(expr) => self.construct_from_borrowed_expr(port, expr),
-                },
-            },
-            RenderMode::CopyRead => match binding {
-                LocalBinding::Owned(name) => Ok(name.clone()),
-                LocalBinding::Borrowed(expr) => Ok(format!("(*({expr}))")),
-            },
-            RenderMode::OwnedConstruct | RenderMode::OwnedConstructLastUse => match binding {
-                LocalBinding::Owned(name) => match self.construct_strategy() {
-                    ConstructStrategyBinding::CopyOrClone => {
-                        if mode == RenderMode::OwnedConstructLastUse || self.port_is_copy(port)? {
-                            Ok(name.clone())
-                        } else {
-                            Ok(format!("({name}).clone()"))
-                        }
-                    }
-                    ConstructStrategyBinding::PassByValue => {
-                        if mode == RenderMode::OwnedConstructLastUse || self.port_is_copy(port)? {
-                            Ok(name.clone())
-                        } else {
-                            Err(EmitError::UnsupportedBehavior(
-                                    "rust_rendering.construct = PassByValue is not yet supported for non-Copy owned bindings"
-                                        .to_string(),
-                                ))
-                        }
-                    }
-                },
-                LocalBinding::Borrowed(expr) => self.construct_from_borrowed_expr(port, expr),
-            },
-        }
-    }
-
-    fn construct_from_borrowed_expr(&self, port: PortId, expr: &str) -> Result<String, EmitError> {
-        match self.construct_strategy() {
-            ConstructStrategyBinding::CopyOrClone => {
-                if self.port_is_copy(port)? {
-                    Ok(format!("(*({expr}))"))
-                } else if self.port_is_list(port)? {
-                    Ok(format!("({expr}).to_vec()"))
-                } else {
-                    Ok(format!("({expr}).clone()"))
-                }
-            }
-            ConstructStrategyBinding::PassByValue => {
-                if self.port_is_copy(port)? {
-                    Ok(format!("(*({expr}))"))
-                } else {
-                    Err(EmitError::UnsupportedBehavior(
-                        "rust_rendering.construct = PassByValue is not yet supported for borrowed non-Copy values"
-                            .to_string(),
-                    ))
-                }
-            }
-        }
-    }
-
-    fn render_port(
-        &self,
-        port: PortId,
-        locals: &RenderLocals,
-        mode: RenderMode,
-    ) -> Result<String, EmitError> {
-        if let Some(binding) = locals.names.get(&port) {
-            return self.render_binding(port, binding, mode);
-        }
-        if let Some(binding) = locals
-            .payload_bindings
-            .get(&port)
-            .and_then(VariantPayloadBinding::direct)
-        {
-            return self.render_binding(port, binding, mode);
-        }
-        if let Some(binding) = self.bound_names.get(&port) {
-            return self.render_binding(port, binding, mode);
-        }
-        self.dispatch_producer(port, locals, mode)
-    }
-
-    fn render_input_use(
-        &self,
-        consumer: InputConsumer<'_>,
-        slot: InputSlot,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let port = self.input_port(consumer, slot)?;
-        if !self.ownership_edge_rendering_enabled() {
-            return self.render_port(port, locals, RenderMode::BorrowedRead);
-        }
-        match self.input_disposition(consumer, slot) {
-            ParameterDispositionBinding::Borrowed => {
-                self.render_port(port, locals, RenderMode::BorrowedRead)
-            }
-            ParameterDispositionBinding::Consumed => {
-                // Conservative: always render as OwnedConstruct (clone) for
-                // Consumed disposition. The OwnedConstructLastUse optimization
-                // (skip the clone if this is the last use) requires the
-                // last-use ordering to match the *rendered* code's evaluation
-                // order, but rendered templates can reorder evaluation
-                // relative to dag.nodes() iteration order — e.g.,
-                // `cons(entry_for(acc, _), acc)` renders as
-                // `let mut __list = acc; __list.insert(0, entry_for(&acc, _))`,
-                // which moves `acc` (slot 1) before borrowing it (slot 0).
-                // Until is_last_use accounts for template-induced reordering,
-                // skipping the clone is unsound. The is_last_use facts are
-                // still computed and tracked (B3) so the lookup is correct;
-                // we just don't act on it here yet.
-                let _ = self.is_last_use(port, consumer, slot);
-                self.render_port(port, locals, RenderMode::OwnedConstruct)
-            }
-        }
-    }
-
-    fn render_copy_input_use(
-        &self,
-        consumer: InputConsumer<'_>,
-        slot: InputSlot,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let port = self.input_port(consumer, slot)?;
-        self.render_port(port, locals, RenderMode::CopyRead)
-    }
-
-    fn input_port(
-        &self,
-        consumer: InputConsumer<'_>,
-        slot: InputSlot,
-    ) -> Result<PortId, EmitError> {
-        match (consumer, slot) {
-            (InputConsumer::Transform(transform), InputSlot::Positional(slot)) => {
-                transform.inputs.get(slot).copied().ok_or_else(|| {
-                    EmitError::UnsupportedBehavior(format!(
-                        "transform input slot {slot} is out of bounds"
-                    ))
-                })
-            }
-            (InputConsumer::Branch(branch), InputSlot::BranchInput) => Ok(branch.input),
-            (InputConsumer::Loop(loop_node), InputSlot::LoopSource) => Ok(loop_node.source),
-            (InputConsumer::Loop(loop_node), InputSlot::LoopInit) => Ok(loop_node.init),
-            (InputConsumer::Loop(loop_node), InputSlot::LoopBoundCount) => {
-                loop_node.bound.count_port().ok_or_else(|| {
-                    EmitError::UnsupportedBehavior(
-                        "loop does not carry a cardinality-bound input".to_string(),
-                    )
-                })
-            }
-            _ => Err(EmitError::UnsupportedBehavior(
-                "input-slot kind does not match the selected consumer".to_string(),
-            )),
-        }
-    }
-
-    fn input_disposition(
-        &self,
-        consumer: InputConsumer<'_>,
-        slot: InputSlot,
-    ) -> ParameterDispositionBinding {
-        match consumer {
-            InputConsumer::Transform(transform) => match slot {
-                InputSlot::Positional(index) => transform_input_disposition(
-                    self.dag,
-                    transform,
-                    index,
-                    &self.indexes.callable_dispositions,
-                ),
-                _ => ParameterDispositionBinding::Borrowed,
-            },
-            InputConsumer::Branch(_) | InputConsumer::Loop(_) => {
-                ParameterDispositionBinding::Borrowed
-            }
-        }
-    }
-
-    /// True iff the edge identified by `(consumer, slot)` is the
-    /// last edge that touches `port` in the total ordering — meaning
-    /// no later borrow or consume references this port. Only when
-    /// this holds is it safe to render a Consumed edge as a move
-    /// (`OwnedConstructLastUse`); otherwise we must clone.
-    fn is_last_use(&self, port: PortId, consumer: InputConsumer<'_>, slot: InputSlot) -> bool {
-        let key = match consumer {
-            InputConsumer::Transform(transform) => InputUseKey {
-                consumer: transform.id,
-                slot,
-            },
-            InputConsumer::Branch(branch) => InputUseKey {
-                consumer: branch.id,
-                slot,
-            },
-            InputConsumer::Loop(loop_node) => InputUseKey {
-                consumer: loop_node.id,
-                slot,
-            },
-        };
-        self.input_use_facts
-            .edge_order
-            .get(&key)
-            .zip(self.input_use_facts.last_use_order_by_port.get(&port))
-            .is_some_and(|(edge, last)| edge == last)
-    }
-
-    /// Render the value for a top-level let binding. Bypasses
-    /// `bound_names` for `port` itself (otherwise every let would
-    /// render as `let x: i64 = x;`); recursive sub-walks still use
-    /// `render_port` and DO consult `bound_names`.
-    fn render_top_level_value(&self, port: PortId) -> Result<String, EmitError> {
-        self.dispatch_producer(port, &RenderLocals::default(), RenderMode::OwnedConstruct)
-    }
-
-    /// Integer literals lowered from surface `Real<N> = <int>` (R3 gate #67) retain
-    /// `LiteralBits::Int` but resolve to `f32`/`f64` Rust types — rustc rejects `let x: f64 = 0`.
-    fn render_value_with_port_rust_type(
-        &self,
-        port: PortId,
-        v: &ValueNode,
-    ) -> Result<String, EmitError> {
-        if let LiteralBits::Int(decimal) = &v.data {
-            let rust_ty = self.rust_type_name_for_port(port)?;
-            if rust_ty == "f32" || rust_ty == "f64" {
-                return Ok(format!("{decimal}.0"));
-            }
-        }
-        Ok(render_value(v, &self.indexes.syntax.literals))
-    }
-
-    fn dispatch_producer(
-        &self,
-        port: PortId,
-        locals: &RenderLocals,
-        mode: RenderMode,
-    ) -> Result<String, EmitError> {
-        let Some(node_id) = self.dag.port(port).produced_by else {
-            return Err(EmitError::UnsupportedBehavior(
-                "render reached a port with no producer (parameter?)".to_string(),
-            ));
-        };
-        match self.dag.node(node_id) {
-            Behavior::Value(v) => match mode {
-                RenderMode::BorrowedRead => {
-                    let expr = self.render_value_with_port_rust_type(port, v)?;
-                    self.render_borrowed_expr(port, expr)
-                }
-                RenderMode::CopyRead
-                | RenderMode::OwnedConstruct
-                | RenderMode::OwnedConstructLastUse => {
-                    self.render_value_with_port_rust_type(port, v)
-                }
-            },
-            Behavior::Transform(t) => self.render_transform(t, locals, mode),
-            Behavior::Branch(b) => {
-                let expr = self.render_branch(b, locals)?;
-                match mode {
-                    RenderMode::BorrowedRead => self.render_borrowed_expr(port, expr),
-                    RenderMode::CopyRead
-                    | RenderMode::OwnedConstruct
-                    | RenderMode::OwnedConstructLastUse => Ok(expr),
-                }
-            }
-            Behavior::Loop(l) => {
-                let expr = self.render_loop(l, locals)?;
-                match mode {
-                    RenderMode::BorrowedRead => self.render_borrowed_expr(port, expr),
-                    RenderMode::CopyRead
-                    | RenderMode::OwnedConstruct
-                    | RenderMode::OwnedConstructLastUse => Ok(expr),
-                }
-            }
-            Behavior::Bind(b) => {
-                self.render_binding(port, &LocalBinding::Owned(b.name.clone()), mode)
-            }
-        }
-    }
-
-    fn render_transform(
-        &self,
-        t: &TransformNode,
-        locals: &RenderLocals,
-        mode: RenderMode,
-    ) -> Result<String, EmitError> {
-        match &t.target {
-            TransformTarget::Operator(op) => {
-                let expr = self.render_operator(t, *op, locals)?;
-                self.adjust_owned_expr(t.output, expr, mode)
-            }
-            TransformTarget::UnresolvedFieldProject { field_label } => {
-                Err(EmitError::UnsupportedBehavior(format!(
-                    "field projection .{field_label} is unresolved; emit_rust expects post-infer FieldProject targets"
-                )))
-            }
-            TransformTarget::ResolvedFieldProject { field_label } => {
-                self.render_field_project(t, field_label, locals, mode)
-            }
-            TransformTarget::Callable(target) => {
-                let expr = self.render_callable_transform(t, *target, locals)?;
-                self.adjust_owned_expr(t.output, expr, mode)
-            }
-        }
-    }
-
-    fn adjust_owned_expr(
-        &self,
-        port: PortId,
-        expr: String,
-        mode: RenderMode,
-    ) -> Result<String, EmitError> {
-        match mode {
-            RenderMode::BorrowedRead => self.render_borrowed_expr(port, expr),
-            RenderMode::CopyRead => {
-                if self.port_is_copy(port)? {
-                    Ok(expr)
-                } else {
-                    Ok(format!("({expr}).clone()"))
-                }
-            }
-            RenderMode::OwnedConstruct | RenderMode::OwnedConstructLastUse => Ok(expr),
-        }
-    }
-
-    fn render_field_project(
-        &self,
-        t: &TransformNode,
-        field_label: &str,
-        locals: &RenderLocals,
-        mode: RenderMode,
-    ) -> Result<String, EmitError> {
-        if t.inputs.len() != 1 {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "field projection arity {} is not supported; expected exactly one parent input",
-                t.inputs.len()
-            )));
-        }
-        if let Some(binding) = locals
-            .payload_bindings
-            .get(&t.inputs[0])
-            .and_then(|binding| binding.field(field_label))
-        {
-            return self.render_binding(t.output, binding, mode);
-        }
-        let parent_expr = self.render_input_use(
-            InputConsumer::Transform(t),
-            InputSlot::Positional(0),
-            locals,
-        )?;
-        let parent_access = self.elide_explicit_borrow(&parent_expr);
-        let parent_type_id = primitive_type_id_for_port(self.dag, t.inputs[0])?;
-        if let Some(type_binding) = self.indexes.types.get(&parent_type_id) {
-            let binding = type_binding
-                .fields
-                .get(field_label)
-                .ok_or_else(|| {
-                    EmitError::UnsupportedBehavior(format!(
-                        "field projection .{field_label} has no FieldBinding entry on the parent TypeRealization"
-                    ))
-                })?;
-            let access_expr = match &binding.access {
-                RustFieldAccessBinding::DirectField(name) => render_named_template(
-                    &self.indexes.syntax.expressions.field_access,
-                    &[("object", &parent_access), ("field", name)],
-                ),
-                RustFieldAccessBinding::AccessorMethod(name) => format!(
-                    "{}()",
-                    render_named_template(
-                        &self.indexes.syntax.expressions.field_access,
-                        &[("object", &parent_access), ("field", name)],
-                    )
-                ),
-            };
-            return match mode {
-                RenderMode::BorrowedRead => match self.read_strategy() {
-                    ReadStrategyBinding::Borrow => {
-                        if binding.borrowed_read {
-                            Ok(access_expr)
-                        } else {
-                            self.render_borrowed_expr(t.output, access_expr)
-                        }
-                    }
-                    ReadStrategyBinding::PassByValue => {
-                        if binding.borrowed_read {
-                            self.construct_from_borrowed_expr(t.output, &access_expr)
-                        } else {
-                            Ok(access_expr)
-                        }
-                    }
-                },
-                RenderMode::CopyRead => Ok(access_expr),
-                RenderMode::OwnedConstruct | RenderMode::OwnedConstructLastUse => {
-                    if binding.borrowed_read {
-                        self.construct_from_borrowed_expr(t.output, &access_expr)
-                    } else if self.port_is_copy(t.output)? {
-                        Ok(access_expr)
-                    } else if self.port_is_list(t.output)? {
-                        Ok(format!("({access_expr}).to_vec()"))
-                    } else {
-                        Ok(format!("({access_expr}).clone()"))
-                    }
-                }
-            };
-        }
-        let Some(conj_id) = walk_to_conj(self.dag, parent_type_id) else {
-            return Err(EmitError::MissingTypeRealization {
-                target: parent_type_id,
-            });
-        };
-        if !matches!(
-            self.dag.declaration(conj_id).connective,
-            TypeConnective::Conj { .. }
-        ) {
-            return Err(EmitError::MissingTypeRealization {
-                target: parent_type_id,
-            });
-        }
-        let access_expr = render_named_template(
-            &self.indexes.syntax.expressions.field_access,
-            &[("object", &parent_access), ("field", field_label)],
-        );
-        match mode {
-            RenderMode::BorrowedRead => self.render_borrowed_expr(t.output, access_expr),
-            RenderMode::CopyRead => Ok(access_expr),
-            RenderMode::OwnedConstruct | RenderMode::OwnedConstructLastUse => {
-                if self.port_is_copy(t.output)? {
-                    Ok(access_expr)
-                } else {
-                    Ok(format!("({access_expr}).clone()"))
-                }
-            }
-        }
-    }
-
-    fn render_operator(
-        &self,
-        t: &TransformNode,
-        op: OperatorKind,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        if t.inputs.len() != 2 {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "operator {:?} arity {} is not supported; only binary operators",
-                op,
-                t.inputs.len()
-            )));
-        }
-        // Resolve the operand type's declaration id by walking the
-        // input port's TypeShape through aliases / instantiations.
-        let operand_type_id = primitive_type_id_for_port(self.dag, t.inputs[0])?;
-        // Resolve the algebra field's declaration id by walking
-        // the operand type's algebra chain. The OperatorKind-to-
-        // field-name lookup inside the helper is the SAME bridge
-        // that infer.rs already uses to dispatch operator
-        // signatures (see `infer::resolve_operator_arrow`); both
-        // sides agree because they read the same algebra field
-        // from the substrate.
-        let op_decl_id = algebra_field_for_operator(self.dag, operand_type_id, op)?;
-        let carrier = super::operator_carrier_realization(
-            &self.indexes.operators,
-            self.dag,
-            operand_type_id,
-            op_decl_id,
-        )
-        .ok_or(EmitError::MissingOperatorRealization {
-            target: operand_type_id,
-            op: op_decl_id,
-        })?
-        .clone();
-        let lhs = self.render_copy_input_use(
-            InputConsumer::Transform(t),
-            InputSlot::Positional(0),
-            locals,
-        )?;
-        let rhs = self.render_copy_input_use(
-            InputConsumer::Transform(t),
-            InputSlot::Positional(1),
-            locals,
-        )?;
-        Ok(render_named_template(
-            &carrier,
-            &[("lhs", &lhs), ("rhs", &rhs)],
-        ))
-    }
-
-    fn render_branch(&self, b: &BranchNode, locals: &RenderLocals) -> Result<String, EmitError> {
-        if self.branch_scrutinee_is_bool(b)? {
-            let (then_path, else_path) = self.split_bool_paths(b)?;
-            let cond = self.render_copy_input_use(
-                InputConsumer::Branch(b),
-                InputSlot::BranchInput,
-                locals,
-            )?;
-            let then_expr = self.render_path_body(then_path, locals)?;
-            let else_expr = self.render_path_body(else_path, locals)?;
-            return Ok(render_named_template(
-                &self.indexes.syntax.control_flow.if_else,
-                &[("cond", &cond), ("then", &then_expr), ("else", &else_expr)],
-            ));
-        }
-        if let Some(rendered) = self.render_realized_pattern_branch(b, locals)? {
-            return Ok(rendered);
-        }
-
-        let expr =
-            self.render_input_use(InputConsumer::Branch(b), InputSlot::BranchInput, locals)?;
-        let arms = b
-            .paths
-            .iter()
-            .map(|path| {
-                let pattern = self.render_branch_pattern(b, path)?;
-                let body = self.render_path_body(path, locals)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.patterns.match_arm,
-                    &[("pattern", &pattern), ("body", &body)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        let arms_joined = join_rendered(&arms, " ");
-        Ok(render_named_template(
-            &self.indexes.syntax.patterns.match_expr,
-            &[("expr", &expr), ("arms", &arms_joined)],
-        ))
-    }
-
-    fn render_realized_pattern_branch(
-        &self,
-        branch: &BranchNode,
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, branch.input)?;
-        let Some(disj_id) = walk_to_disj(self.dag, scrutinee_type_id) else {
-            return Ok(None);
-        };
-        let Some(binding) = self.indexes.patterns.get(&disj_id) else {
-            return Ok(None);
-        };
-        self.render_vector_list_pattern_branch(branch, disj_id, binding, locals)
-            .map(Some)
-    }
-
-    fn render_vector_list_pattern_branch(
-        &self,
-        branch: &BranchNode,
-        _disj_id: DeclarationId,
-        binding: &PatternRealizationBinding,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        // Role identity is a spec fact: `PatternRealization.empty_variant` /
-        // `cons_variant` are typed `DeclarationRef`s to the sum's variants
-        // (`List.Empty` / `List.Cons` in `rust.dag`). The emitter reads them
-        // — no label-matching on variant strings.
-        let empty_path = find_resolved_branch_path(branch, binding.empty_variant).ok_or_else(
-            || {
-                EmitError::UnsupportedBehavior(
-                    "vector-list pattern realization requires a branch arm for the declared empty_variant"
-                        .to_string(),
-                )
-            },
-        )?;
-        let cons_path = find_resolved_branch_path(branch, binding.cons_variant).ok_or_else(
-            || {
-                EmitError::UnsupportedBehavior(
-                    "vector-list pattern realization requires a branch arm for the declared cons_variant"
-                        .to_string(),
-                )
-            },
-        )?;
-        let scrutinee = self.render_input_use(
-            InputConsumer::Branch(branch),
-            InputSlot::BranchInput,
-            locals,
-        )?;
-        let realized_scrutinee = render_named_template(&binding.scrutinee, &[("expr", &scrutinee)]);
-        let empty_body = self.render_path_body(empty_path, locals)?;
-
-        let head_name = "__list_head";
-        let tail_name = "__list_tail";
-        let cons_pattern = render_named_template(
-            &binding.cons_pattern,
-            &[("head", head_name), ("tail", tail_name)],
-        );
-        let mut cons_locals = locals.clone();
-        if let Some(payload) = &cons_path.binding {
-            let mut fields = HashMap::new();
-            fields.insert(
-                "head".to_string(),
-                LocalBinding::Borrowed(render_named_template(
-                    &binding.head_expr,
-                    &[("head", head_name)],
-                )),
-            );
-            fields.insert(
-                "tail".to_string(),
-                LocalBinding::Borrowed(render_named_template(
-                    &binding.tail_expr,
-                    &[("tail", tail_name)],
-                )),
-            );
-            cons_locals
-                .payload_bindings
-                .insert(payload.payload_port, VariantPayloadBinding::Fields(fields));
-        }
-        let cons_body = self.render_port(
-            cons_path.output,
-            &cons_locals,
-            RenderMode::OwnedConstructLastUse,
-        )?;
-
-        let arms = vec![
-            render_named_template(
-                &self.indexes.syntax.patterns.match_arm,
-                &[("pattern", &binding.empty_pattern), ("body", &empty_body)],
-            ),
-            render_named_template(
-                &self.indexes.syntax.patterns.match_arm,
-                &[("pattern", &cons_pattern), ("body", &cons_body)],
-            ),
-        ];
-        Ok(render_named_template(
-            &self.indexes.syntax.patterns.match_expr,
-            &[
-                ("expr", &realized_scrutinee),
-                ("arms", &join_rendered(&arms, " ")),
-            ],
-        ))
-    }
-
-    fn render_path_body(&self, path: &Path, locals: &RenderLocals) -> Result<String, EmitError> {
-        let mut arm_locals = locals.clone();
-        if let Some(binding) = &path.binding {
-            if let Some(payload_binding) = self.render_variant_payload_binding(path, binding)? {
-                arm_locals
-                    .payload_bindings
-                    .insert(binding.payload_port, payload_binding);
-            }
-        }
-        self.render_port(path.output, &arm_locals, RenderMode::OwnedConstructLastUse)
-    }
-
-    fn render_branch_pattern(&self, branch: &BranchNode, path: &Path) -> Result<String, EmitError> {
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, branch.input)?;
-        let disj_id = walk_to_disj(self.dag, scrutinee_type_id).ok_or_else(|| {
-            EmitError::UnsupportedBehavior(format!(
-                "branch scrutinee type at {scrutinee_type_id:?} does not walk to a Disj"
-            ))
-        })?;
-        let resolved_id = match &path.pattern {
-            BranchPattern::ResolvedVariant(id) => *id,
-            BranchPattern::UnresolvedVariant { name, .. } => {
-                return Err(EmitError::UnresolvedBranchPattern {
-                    variant_name: name.clone(),
-                });
-            }
-        };
-
-        if self.branch_scrutinee_is_bool(branch)? {
-            return self.render_bool_pattern(disj_id, resolved_id);
-        }
-
-        let variant_name = variant_name_for_decl(self.dag, disj_id, resolved_id)?;
-        let is_optional_match = is_optional_match_disj(self.dag, disj_id);
-        let qualified_name = if is_optional_match {
-            variant_name.clone()
-        } else {
-            let enum_name = named_disj_enum_name_for_rust_match_emit(self.dag, disj_id)
-                .ok_or_else(|| {
-                    EmitError::UnsupportedBehavior(
-                        "match on anonymous sum declarations is not yet supported in Rust emission"
-                            .to_string(),
-                    )
-                })?;
-            self.qualified_name(&enum_name, &variant_name)
-        };
-        let Some(binding) = &path.binding else {
-            return Ok(render_named_template(
-                &self.indexes.syntax.patterns.variant_pattern_empty,
-                &[("name", &qualified_name)],
-            ));
-        };
-        let payload_shape = match variant_payload_shape(self.dag, &resolved_id) {
-            VariantPayloadShapeLookup::DeclarationMissing => {
-                return Err(EmitError::UnsupportedBehavior(format!(
-                    "matched variant `{variant_name}` references an absent declaration"
-                )));
-            }
-            VariantPayloadShapeLookup::NotPayloadProduct => {
-                return Err(EmitError::UnsupportedBehavior(format!(
-                    "matched variant `{variant_name}` does not lower to a payload product"
-                )));
-            }
-            VariantPayloadShapeLookup::Found { _0: shape } => shape,
-        };
-        let rendered_binding = self.render_payload_binding_name(path, binding);
-        if let Some(rendered) = self.render_multi_field_variant_pattern(
-            &qualified_name,
-            binding,
-            &rendered_binding,
-            &payload_shape,
-        )? {
-            return Ok(rendered);
-        }
-        if let Some(rendered) = self.render_single_field_variant_pattern(
-            disj_id,
-            is_optional_match,
-            &qualified_name,
-            &rendered_binding,
-            &payload_shape,
-        ) {
-            return Ok(rendered);
-        }
-        match payload_shape {
-            VariantPayloadShape::Empty => Ok(render_named_template(
-                &self.indexes.syntax.patterns.variant_pattern_empty,
-                &[("name", &qualified_name)],
-            )),
-            VariantPayloadShape::PositionalSingle | VariantPayloadShape::NamedFields { .. } => {
-                unreachable!("single-field patterns return above")
-            }
-        }
-    }
-
-    fn render_multi_field_variant_pattern(
-        &self,
-        qualified_name: &str,
-        binding: &crate::dag::PayloadBinding,
-        rendered_binding: &str,
-        payload_shape: &VariantPayloadShape,
-    ) -> Result<Option<String>, EmitError> {
-        // Substrate still models `Cardinality` as `{ element, bound }`, but the
-        // hand-authored Rust enum is `Cardinality(CardinalityPayload)` (tuple).
-        if qualified_name == "TypeConnective::Cardinality" {
-            return Ok(Some(render_named_template(
-                &self.indexes.syntax.patterns.variant_pattern_positional,
-                &[("name", qualified_name), ("binding", rendered_binding)],
-            )));
-        }
-        if !matches!(
-            payload_shape,
-            VariantPayloadShape::NamedFields { _0: ref fields } if fields.len() > 1
-        ) {
-            return Ok(None);
-        }
-        let VariantPayloadShape::NamedFields { _0: field_labels } = payload_shape else {
-            unreachable!("guarded above")
-        };
-        let wildcard = self.indexes.syntax.patterns.wildcard.clone();
-        let payload_unused = rendered_binding == wildcard;
-        let field_bindings = field_labels
-            .iter()
-            .map(|child| {
-                let binding_text = if payload_unused {
-                    wildcard.clone()
-                } else {
-                    destructured_field_alias(&binding.binding_name, child)
-                };
-                Ok(render_named_template(
-                    &self.indexes.syntax.patterns.field_binding,
-                    &[("field", child), ("binding", &binding_text)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        Ok(Some(render_named_template(
-            &self.indexes.syntax.patterns.variant_pattern,
-            &[
-                ("name", qualified_name),
-                (
-                    "bindings",
-                    &join_rendered(
-                        &field_bindings,
-                        &self.indexes.syntax.patterns.field_binding_separator,
-                    ),
-                ),
-            ],
-        )))
-    }
-
-    fn render_single_field_variant_pattern(
-        &self,
-        disj_id: DeclarationId,
-        is_optional_match: bool,
-        qualified_name: &str,
-        rendered_binding: &str,
-        payload_shape: &VariantPayloadShape,
-    ) -> Option<String> {
-        let single_field_label = match payload_shape {
-            VariantPayloadShape::PositionalSingle => None,
-            VariantPayloadShape::NamedFields { _0: field_labels } if field_labels.len() == 1 => {
-                Some(field_labels[0].as_str())
-            }
-            VariantPayloadShape::NamedFields { .. } | VariantPayloadShape::Empty => return None,
-        };
-        if single_field_label.is_none()
-            && (self.indexes.types.contains_key(&disj_id) || is_optional_match)
-        {
-            return Some(render_named_template(
-                &self.indexes.syntax.patterns.variant_pattern_positional,
-                &[("name", qualified_name), ("binding", rendered_binding)],
-            ));
-        }
-        let field_name = single_field_label.unwrap_or("_0");
-        // `v3.std.lookup::Lookup::Hit` is a Rust tuple variant (`Hit(T)` in
-        // `dag_lookup_generated`); other single-`_0` sum arms stay struct-style.
-        // Dissolution trigger: today `Conj` children for a sum arm do not record
-        // "tuple vs struct payload" for Rust; emit would otherwise use struct
-        // patterns for every `_0` field. When positionality is a fact on the
-        // `Declaration` / `Disj` surface (or spec-driven), drop this name-match
-        // and read it structurally. Paired with `render_variant_constructor`'s
-        // `Lookup`/`Hit` constructor branch.
-        let is_lookup_hit = field_name == "_0"
-            && matches!(
-                qualified_name.split("::").collect::<Vec<_>>().as_slice(),
-                [a, b] if *a == "Lookup" && *b == "Hit"
-            );
-        if is_lookup_hit {
-            return Some(render_named_template(
-                &self.indexes.syntax.patterns.variant_pattern_positional,
-                &[("name", qualified_name), ("binding", rendered_binding)],
-            ));
-        }
-        // `ViolatesSubject::AtBehavior` is a Rust tuple variant (gate #104 / `dimensions.dag`
-        // mirrors `ViolatesSubject`); without this arm, emit renders named-field `_0:` patterns for
-        // the single-payload disj stub. Same dissolution trigger as `Lookup`/`Hit` above: positional
-        // vs struct payloads are not modeled structurally on the Disj emission surface yet.
-        let is_violates_subject_at_behavior = field_name == "_0"
-            && matches!(
-                qualified_name.split("::").collect::<Vec<_>>().as_slice(),
-                [a, b] if *a == "ViolatesSubject" && *b == "AtBehavior"
-            );
-        if is_violates_subject_at_behavior {
-            return Some(render_named_template(
-                &self.indexes.syntax.patterns.variant_pattern_positional,
-                &[("name", qualified_name), ("binding", rendered_binding)],
-            ));
-        }
-        let bindings = render_named_template(
-            &self.indexes.syntax.patterns.field_binding,
-            &[("field", field_name), ("binding", rendered_binding)],
-        );
-        Some(render_named_template(
-            &self.indexes.syntax.patterns.variant_pattern,
-            &[("name", qualified_name), ("bindings", &bindings)],
-        ))
-    }
-
-    /// E-5 / Lane 1 Stage 1c: render the arm's payload binding name
-    /// per `rust_clean_emission.pattern_bindings`. When the rule is
-    /// `EmitUnderscoreWhenUnused` and the arm body does not consume
-    /// `binding.payload_port`, emit `_` so `rustc -D warnings` does
-    /// not fire `unused_variables`. Rust-invalid contract variants
-    /// are rejected while building `CleanEmissionContractBinding`,
-    /// so the renderer only sees Rust-valid states.
-    fn render_payload_binding_name(
-        &self,
-        path: &Path,
-        binding: &crate::dag::PayloadBinding,
-    ) -> String {
-        match self.indexes.clean_emission.pattern_bindings {
-            PatternBindingRuleBinding::EmitUnderscoreWhenUnused
-                if !self.port_is_consumed_from(path.output, binding.payload_port) =>
-            {
-                self.indexes.syntax.patterns.wildcard.clone()
-            }
-            PatternBindingRuleBinding::EmitBindingAlways
-            | PatternBindingRuleBinding::EmitUnderscoreWhenUnused => binding.binding_name.clone(),
-        }
-    }
-
-    fn render_variant_payload_binding(
-        &self,
-        path: &Path,
-        binding: &crate::dag::PayloadBinding,
-    ) -> Result<Option<VariantPayloadBinding<LocalBinding>>, EmitError> {
-        let BranchPattern::ResolvedVariant(variant_id) = &path.pattern else {
-            return Ok(None);
-        };
-        let shape = match variant_payload_shape(self.dag, variant_id) {
-            VariantPayloadShapeLookup::DeclarationMissing => {
-                return Err(EmitError::UnsupportedBehavior(
-                    "variant payload binding references an absent declaration".to_string(),
-                ));
-            }
-            VariantPayloadShapeLookup::NotPayloadProduct => return Ok(None),
-            VariantPayloadShapeLookup::Found { _0: shape } => shape,
-        };
-        let payload_binding_name = self.render_payload_binding_name(path, binding);
-        let wildcard = self.indexes.syntax.patterns.wildcard.clone();
-        Ok(match shape {
-            VariantPayloadShape::Empty => None,
-            VariantPayloadShape::PositionalSingle => Some(VariantPayloadBinding::Direct(
-                LocalBinding::Borrowed(payload_binding_name),
-            )),
-            VariantPayloadShape::NamedFields { _0: field_labels } => {
-                match self.indexes.clean_emission.variant_payload_field_access {
-                    VariantPayloadFieldAccessRuleBinding::AccessFromPayloadBinding => Some(
-                        VariantPayloadBinding::Direct(LocalBinding::Borrowed(payload_binding_name)),
-                    ),
-                    VariantPayloadFieldAccessRuleBinding::OverrideNamedFieldsAtBindingSite => {
-                        let multiple_fields = field_labels.len() > 1;
-                        let fields = field_labels
-                            .into_iter()
-                            .map(|field_label| {
-                                let local_name = if payload_binding_name == wildcard {
-                                    wildcard.clone()
-                                } else if multiple_fields {
-                                    destructured_field_alias(&binding.binding_name, &field_label)
-                                } else {
-                                    payload_binding_name.clone()
-                                };
-                                (field_label, LocalBinding::Borrowed(local_name))
-                            })
-                            .collect();
-                        Some(VariantPayloadBinding::Fields(fields))
-                    }
-                }
-            }
-        })
-    }
-
-    /// Thin wrapper; rationale lives on `crate::emit::port_is_consumed_from`.
-    fn port_is_consumed_from(&self, root: PortId, target: PortId) -> bool {
-        super::port_is_consumed_from(self.dag, root, target)
-    }
-
-    fn render_bool_pattern(
-        &self,
-        disj_id: DeclarationId,
-        variant_id: DeclarationId,
-    ) -> Result<String, EmitError> {
-        let TypeConnective::Disj { variants } = &self.dag.declaration(disj_id).connective else {
-            unreachable!("walk_to_disj returned non-Disj")
-        };
-        let Some((idx, _)) = variants
-            .iter()
-            .enumerate()
-            .find(|(_, variant)| variant.ty == variant_id)
-        else {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "bool branch variant {variant_id:?} was not found on its parent disjunction"
-            )));
-        };
-        match idx {
-            0 => Ok(self.indexes.syntax.literals.true_keyword.clone()),
-            1 => Ok(self.indexes.syntax.literals.false_keyword.clone()),
-            _ => Err(EmitError::NonBooleanBranch {
-                variant_ids: variants.iter().map(|variant| variant.ty).collect(),
-            }),
-        }
-    }
-
-    fn branch_scrutinee_is_bool(&self, branch: &BranchNode) -> Result<bool, EmitError> {
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, branch.input)?;
-        let Some(bool_shape) = self.dag.bool_shape() else {
-            return Err(EmitError::MissingTypeRealization {
-                target: scrutinee_type_id,
-            });
-        };
-        let Some(scrutinee_disj) = walk_to_disj(self.dag, scrutinee_type_id) else {
-            return Ok(false);
-        };
-        let Some(bool_disj) = walk_to_disj(self.dag, bool_shape.declaration) else {
-            return Ok(false);
-        };
-        Ok(scrutinee_disj == bool_disj)
-    }
-
-    /// v3.std.lookup / v3.std.algebra constructor shims that are authored in
-    /// `.dag` but currently cannot be emitted through ordinary expression
-    /// syntax. `miss_*_lookup` / `hit_*_lookup` lower to `Lookup::Miss` /
-    /// `Lookup::Hit(...)`; `unnamed_size_variable` lowers the optional
-    /// display label that `.dag` cannot yet construct inside record literals.
-    /// Runs before [`Self::render_realized_callable`] so a registered callable
-    /// strategy does not pre-empt enum lowering.
-    fn lookup_monomorphized_constructor_emit(
-        &self,
-        t: &TransformNode,
-        template: DeclarationId,
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let Some(name) = self.dag.declaration(template).name.as_deref() else {
-            return Ok(None);
-        };
-        let is_miss = name == "miss_int_lookup"
-            || name == "miss_symbolic_cost_lookup"
-            || name == "miss_declaration_id_lookup";
-        let is_hit = name == "hit_int_lookup"
-            || name == "hit_symbolic_cost_lookup"
-            || name == "hit_declaration_id_lookup";
-        if is_miss {
-            if !t.inputs.is_empty() {
-                return Err(EmitError::UnsupportedBehavior(format!(
-                    "{name}() expects zero arguments"
-                )));
-            }
-            return Ok(Some("Lookup::Miss".to_string()));
-        }
-        if is_hit {
-            if t.inputs.len() != 1 {
-                return Err(EmitError::UnsupportedBehavior(format!(
-                    "{name}(v) expected one argument, got {}",
-                    t.inputs.len()
-                )));
-            }
-            let arg = self.elide_explicit_borrow(&self.render_input_use(
-                InputConsumer::Transform(t),
-                InputSlot::Positional(0),
-                locals,
-            )?);
-            let out = if arg.starts_with('(') {
-                format!("Lookup::Hit{arg}")
-            } else {
-                format!("Lookup::Hit({arg})")
-            };
-            return Ok(Some(out));
-        }
-        if name == "unnamed_size_variable" {
-            if t.inputs.len() != 1 {
-                return Err(EmitError::UnsupportedBehavior(format!(
-                    "{name}(source_port) expected one argument, got {}",
-                    t.inputs.len()
-                )));
-            }
-            let arg = self.elide_explicit_borrow(&self.render_input_use(
-                InputConsumer::Transform(t),
-                InputSlot::Positional(0),
-                locals,
-            )?);
-            let source_port = if arg
-                .chars()
-                .all(|ch| ch.is_ascii_alphanumeric() || ch == '_')
-            {
-                format!("*{arg}")
-            } else {
-                arg
-            };
-            return Ok(Some(format!(
-                "SizeVariable {{ source_port: {source_port}, display_name: None }}"
-            )));
-        }
-        Ok(None)
-    }
-
-    fn render_callable_transform(
-        &self,
-        t: &TransformNode,
-        target: DeclarationId,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let (template, arguments) = callable_template(target, self.dag);
-        if let Some(rendered) = self.lookup_monomorphized_constructor_emit(t, template, locals)? {
-            return Ok(rendered);
-        }
-        if let Some(rendered) = self.render_substrate_accessor(t, template, locals)? {
-            return Ok(rendered);
-        }
-        if let Some(strategy) = self.indexes.callables.get(&template) {
-            return self.render_realized_callable(t, template, *strategy, &arguments, locals);
-        }
-        self.render_general_callable(t, template, locals)
-    }
-
-    /// DB-14 substrate-accessor dispatch. If the callable's target
-    /// decl is in `substrate_accessors` (a binding for the active
-    /// Rust target exists), render the realization's `carrier`
-    /// template via positional `{p0}`, `{p1}` substitution with the
-    /// Transform's input expressions. Otherwise return `None` and
-    /// let `render_callable_transform` fall through to the standard
-    /// dispatch.
-    ///
-    /// Design: the accessor's Arrow body stays `Unparsed` at bootstrap (the
-    /// `{ host <name> }` stub) because the accessor → realization mapping is
-    /// TARGET-specific. The per-target resolution happens here, at emission
-    /// time, against this emitter's `substrate_accessors` index — which was
-    /// built from `SubstrateAccessorBinding` records filtered by
-    /// `language == rust_language`. See `build_substrate_accessor_index`.
-    fn render_substrate_accessor(
-        &self,
-        t: &TransformNode,
-        template: DeclarationId,
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let Some(realization_id) = self.indexes.substrate_accessors.get(&template).copied() else {
-            // If the template IS a declared substrate accessor (in
-            // the universe of all `SubstrateAccessorBinding`
-            // records across languages) but has no binding for the
-            // active target, fail closed rather than fall through
-            // to generic callable rendering — that would emit
-            // `func(args)` for a function the target doesn't
-            // provide. Post review round 1b.4: "no binding for this
-            // target" on a declared accessor is not a benign miss.
-            if self.indexes.substrate_accessor_universe.contains(&template) {
-                let accessor_name = self
-                    .dag
-                    .declaration(template)
-                    .name
-                    .clone()
-                    .unwrap_or_else(|| format!("declaration#{}", template.raw()));
-                return Err(EmitError::UnsupportedBehavior(format!(
-                    "substrate accessor `{accessor_name}` has no SubstrateAccessorBinding for the active Rust target (`rust_language`); add `data <name>_binding_rust: SubstrateAccessorBinding = {{ accessor: {accessor_name}, realization: <target-realization>, language: rust_language }}` in `src/v3/spec/rust.dag`"
-                )));
-            }
-            return Ok(None);
-        };
-        let realization = self.dag.declaration(realization_id);
-        let Some(ValueBody::Structural { fields }) = &realization.value_body else {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "substrate accessor realization for `{}` lacks a structural value body",
-                self.dag
-                    .declaration(template)
-                    .name
-                    .as_deref()
-                    .unwrap_or("<anonymous>")
-            )));
-        };
-        let carrier = fields
-            .iter()
-            .find_map(|(label, value)| match (label.as_str(), value) {
-                ("carrier", FieldValue::Literal(LiteralBits::String(s))) => Some(s.clone()),
-                _ => None,
-            })
-            .ok_or_else(|| {
-                EmitError::UnsupportedBehavior(format!(
-                    "substrate accessor realization `{}` is missing required String field `carrier`",
-                    realization.name.as_deref().unwrap_or("<anonymous>")
-                ))
-            })?;
-        let rendered_inputs = t
-            .inputs
-            .iter()
-            .enumerate()
-            .map(|(slot, _)| {
-                self.render_input_use(
-                    InputConsumer::Transform(t),
-                    InputSlot::Positional(slot),
-                    locals,
-                )
-            })
-            .collect::<Result<Vec<_>, _>>()?;
-        let placeholders: Vec<String> = (0..rendered_inputs.len())
-            .map(|i| format!("p{i}"))
-            .collect();
-        let bindings: Vec<(&str, &str)> = placeholders
-            .iter()
-            .zip(rendered_inputs.iter())
-            .map(|(p, expr)| (p.as_str(), expr.as_str()))
-            .collect();
-        Ok(Some(render_named_template(&carrier, &bindings)))
-    }
-
-    fn render_realized_callable(
-        &self,
-        consumer: &TransformNode,
-        template: DeclarationId,
-        strategy: RustCallableStrategyBinding,
-        arguments: &[TemplateArgument],
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        match strategy {
-            RustCallableStrategyBinding::ListEmpty => {
-                Ok(self.indexes.syntax.collection_ops.empty_list.clone())
-            }
-            RustCallableStrategyBinding::ListSingleton => {
-                if consumer.inputs.len() != 1 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "singleton arity {} is not supported; expected one runtime input",
-                        consumer.inputs.len()
-                    )));
-                }
-                let value = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.list_literal,
-                    &[("elements", &value)],
-                ))
-            }
-            RustCallableStrategyBinding::ListCons => {
-                if consumer.inputs.len() != 2 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "cons arity {} is not supported; expected two runtime inputs",
-                        consumer.inputs.len()
-                    )));
-                }
-                let head = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                let tail = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(1),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.cons,
-                    &[("head", &head), ("tail", &tail)],
-                ))
-            }
-            RustCallableStrategyBinding::ListConcat => {
-                if consumer.inputs.len() != 2 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "concat runtime arity {} is not supported; expected [left, right]",
-                        consumer.inputs.len()
-                    )));
-                }
-                let left = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                let right = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(1),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.concat,
-                    &[("left", &left), ("right", &right)],
-                ))
-            }
-            RustCallableStrategyBinding::ListLength => {
-                if consumer.inputs.len() != 1 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "length runtime arity {} is not supported; expected [list]",
-                        consumer.inputs.len()
-                    )));
-                }
-                let recv = self.render_collection_receiver(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.length,
-                    &[("recv", &recv)],
-                ))
-            }
-            RustCallableStrategyBinding::ListIsEmpty => {
-                if consumer.inputs.len() != 1 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "is_empty runtime arity {} is not supported; expected [list]",
-                        consumer.inputs.len()
-                    )));
-                }
-                let recv = self.render_collection_receiver(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.is_empty,
-                    &[("recv", &recv)],
-                ))
-            }
-            RustCallableStrategyBinding::ListFold => {
-                if consumer.inputs.len() != 2 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "fold runtime arity {} is not supported; expected [list, init]",
-                        consumer.inputs.len()
-                    )));
-                }
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 2)?;
-                let acc = "__fold_acc".to_string();
-                let item = "__fold_item".to_string();
-                let body = self.render_closure(
-                    fn_decl,
-                    &[
-                        (acc.clone(), LocalBinding::Owned(acc.clone())),
-                        (item.clone(), LocalBinding::Borrowed(item.clone())),
-                    ],
-                    locals,
-                )?;
-                let list = self.render_collection_receiver(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                let init = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(1),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.fold,
-                    &[("recv", &list), ("init", &init), ("body", &body)],
-                ))
-            }
-            RustCallableStrategyBinding::ListMap => {
-                if consumer.inputs.len() != 1 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "map runtime arity {} is not supported; expected [list]",
-                        consumer.inputs.len()
-                    )));
-                }
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 1)?;
-                let item = "__map_item".to_string();
-                let body = self.render_closure(
-                    fn_decl,
-                    &[(item.clone(), LocalBinding::Borrowed(item.clone()))],
-                    locals,
-                )?;
-                let list = self.render_collection_receiver(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.map,
-                    &[("recv", &list), ("body", &body)],
-                ))
-            }
-            RustCallableStrategyBinding::ListFilter => {
-                if consumer.inputs.len() != 1 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "filter runtime arity {} is not supported; expected [list]",
-                        consumer.inputs.len()
-                    )));
-                }
-                let fn_decl = bound_callable_argument(self.dag, template, arguments, 1)?;
-                let item = "__filter_item".to_string();
-                let predicate = self.render_callable_body(
-                    fn_decl,
-                    &[(item.clone(), LocalBinding::Borrowed(item.clone()))],
-                    locals,
-                )?;
-                let list = self.render_collection_receiver(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                let iter = format!("&({list})");
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.filter,
-                    &[("iter", &iter), ("param", &item), ("body", &predicate)],
-                ))
-            }
-            RustCallableStrategyBinding::ListContains => {
-                if consumer.inputs.len() != 2 {
-                    return Err(EmitError::UnsupportedBehavior(format!(
-                        "contains runtime arity {} is not supported; expected [list, item]",
-                        consumer.inputs.len()
-                    )));
-                }
-                let list = self.render_collection_receiver(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(0),
-                    locals,
-                )?;
-                let item = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(1),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.collection_ops.contains,
-                    &[("recv", &list), ("item", &item)],
-                ))
-            }
-        }
-    }
-
-    fn render_general_callable(
-        &self,
-        consumer: &TransformNode,
-        template: DeclarationId,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        if let Some(rendered) = self.render_variant_constructor(consumer, template, locals)? {
-            return Ok(rendered);
-        }
-        if let Some(rendered) = self.render_record_constructor(consumer, template, locals)? {
-            return Ok(rendered);
-        }
-        let func =
-            self.dag
-                .declaration(template)
-                .name
-                .clone()
-                .ok_or(EmitError::UnsupportedBehavior(
-                    "callable target is anonymous and cannot be rendered as a direct Rust call"
-                        .to_string(),
-                ))?;
-        let args = consumer
-            .inputs
-            .iter()
-            .enumerate()
-            .map(|(slot, _)| {
-                self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(slot),
-                    locals,
-                )
-            })
-            .collect::<Result<Vec<_>, _>>()?;
-        let joined = join_rendered(&args, ", ");
-        Ok(render_named_template(
-            &self.indexes.syntax.expressions.function_call,
-            &[("func", &func), ("args", &joined)],
-        ))
-    }
-
-    fn render_record_constructor(
-        &self,
-        consumer: &TransformNode,
-        template: DeclarationId,
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let decl = self.dag.declaration(template);
-        let Some(type_name) = &decl.name else {
-            return Ok(None);
-        };
-        let TypeConnective::Conj { children } = &decl.connective else {
-            return Ok(None);
-        };
-        if children.len() != consumer.inputs.len() {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "record constructor `{type_name}` expected {} field input(s), got {}",
-                children.len(),
-                consumer.inputs.len()
-            )));
-        }
-        let fields = children
-            .iter()
-            .enumerate()
-            .map(|(slot, field)| {
-                let value = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(slot),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.values.struct_field_init,
-                    &[("name", &field.label), ("value", &value)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        let joined = join_rendered(&fields, &self.indexes.syntax.values.struct_field_separator);
-        Ok(Some(render_named_template(
-            &self.indexes.syntax.values.struct_literal,
-            &[("type", type_name), ("fields", &joined)],
-        )))
-    }
-
-    fn render_variant_constructor(
-        &self,
-        consumer: &TransformNode,
-        template: DeclarationId,
-        locals: &RenderLocals,
-    ) -> Result<Option<String>, EmitError> {
-        let Some((enum_name, variant_name)) = variant_parent_info(self.dag, template) else {
-            return Ok(None);
-        };
-        let qualified_name = self.qualified_name(&enum_name, &variant_name);
-        let TypeConnective::Conj { children } = &self.dag.declaration(template).connective else {
-            return Ok(None);
-        };
-        if children.len() != consumer.inputs.len() {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "variant constructor `{qualified_name}` expected {} payload field(s), got {}",
-                children.len(),
-                consumer.inputs.len()
-            )));
-        }
-        if children.is_empty() {
-            return Ok(Some(qualified_name));
-        }
-        // Dissolution: same "tuple `Hit` for `v3.std.lookup` only" bridge as
-        // `render_single_field_variant_pattern` (pattern side); see long comment
-        // there. Until variant payload positionality is DAG-carried, keep narrow.
-        // `ViolatesSubject::AtBehavior` tuple emission matches `dimension.rs`.
-        if children.len() == 1
-            && children[0].label == "_0"
-            && enum_name == "Witness"
-            && variant_name == "Inhabits"
-        {
-            let value = self.elide_explicit_borrow(&self.render_input_use(
-                InputConsumer::Transform(consumer),
-                InputSlot::Positional(0),
-                locals,
-            )?);
-            // `render_input_use` may already clone when moving out of a match arm
-            // binding; avoid `((x).clone()).clone()` noise (and clone side effects).
-            let payload = if value.contains(".clone()") {
-                value
-            } else {
-                format!("({value}).clone()")
-            };
-            return Ok(Some(format!("{qualified_name}({payload})")));
-        }
-        if children.len() == 1
-            && children[0].label == "_0"
-            && enum_name == "Lookup"
-            && variant_name == "Hit"
-        {
-            let value = self.elide_explicit_borrow(&self.render_input_use(
-                InputConsumer::Transform(consumer),
-                InputSlot::Positional(0),
-                locals,
-            )?);
-            // `elide` may leave a parenthesized value (`(0)`) for literals; do not
-            // add a second paren layer (`((0))`).
-            let out = if value.starts_with('(') {
-                format!("{qualified_name}{value}")
-            } else {
-                format!("{qualified_name}({value})")
-            };
-            return Ok(Some(out));
-        }
-        // `ViolatesSubject::AtBehavior(Behavior)` is a Rust **tuple** variant in
-        // `dimension.rs` (`std/dimensions.dag` unary payload). Default emit would render
-        // `{ _0: … }` struct init and fail against the hand mirror tuple shape.
-        if children.len() == 1
-            && children[0].label == "_0"
-            && enum_name == "ViolatesSubject"
-            && variant_name == "AtBehavior"
-        {
-            let value = self.elide_explicit_borrow(&self.render_input_use(
-                InputConsumer::Transform(consumer),
-                InputSlot::Positional(0),
-                locals,
-            )?);
-            let payload = if value.contains(".clone()") {
-                value
-            } else {
-                format!("({value}).clone()")
-            };
-            return Ok(Some(format!("{qualified_name}({payload})")));
-        }
-        let fields = children
-            .iter()
-            .enumerate()
-            .map(|(slot, field)| {
-                let value = self.render_input_use(
-                    InputConsumer::Transform(consumer),
-                    InputSlot::Positional(slot),
-                    locals,
-                )?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.values.struct_field_init,
-                    &[("name", &field.label), ("value", &value)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        let joined = join_rendered(&fields, &self.indexes.syntax.values.struct_field_separator);
-        Ok(Some(render_named_template(
-            &self.indexes.syntax.values.variant_named_construction,
-            &[("variant", &qualified_name), ("fields", &joined)],
-        )))
-    }
-
-    fn qualified_name(&self, left: &str, right: &str) -> String {
-        format!(
-            "{left}{}{right}",
-            self.indexes.syntax.modules.path_separator
-        )
-    }
-
-    fn render_callable_body(
-        &self,
-        callable_decl: DeclarationId,
-        param_bindings: &[(String, LocalBinding)],
-        outer_locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let TypeConnective::Arrow { inputs, body, .. } =
-            &self.dag.declaration(callable_decl).connective
-        else {
-            return Err(EmitError::UnsupportedBehavior(
-                "callable template binding did not resolve to an Arrow declaration".to_string(),
-            ));
-        };
-        let ArrowBody::UserDefined(bind_id) = body else {
-            return Err(EmitError::UnsupportedBehavior(
-                "external or unparsed callable bodies are not yet supported in staged std.list emission"
-                    .to_string(),
-            ));
-        };
-        let bind = (*bind_id).bind(self.dag);
-        if inputs.len() != param_bindings.len() {
-            return Err(EmitError::UnsupportedBehavior(
-                "callable parameter count does not match the requested Rust closure parameters"
-                    .to_string(),
-            ));
-        }
-        if bind.params.len() < inputs.len() {
-            return Err(EmitError::UnsupportedBehavior(
-                "callable bind parameter count does not match Arrow inputs".to_string(),
-            ));
-        }
-        let capture_count = bind.params.len() - inputs.len();
-        let mut locals = RenderLocals::default();
-        for capture in bind.params.iter().copied().take(capture_count) {
-            let value = self.render_port(capture, outer_locals, RenderMode::BorrowedRead)?;
-            locals.names.insert(capture, LocalBinding::Borrowed(value));
-        }
-        for (port, (_, binding)) in bind
-            .params
-            .iter()
-            .copied()
-            .skip(capture_count)
-            .zip(param_bindings.iter())
-        {
-            locals.names.insert(port, binding.clone());
-        }
-        self.render_port(bind.value, &locals, RenderMode::OwnedConstructLastUse)
-    }
-
-    fn render_closure(
-        &self,
-        callable_decl: DeclarationId,
-        param_bindings: &[(String, LocalBinding)],
-        outer_locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let body = self.render_callable_body(callable_decl, param_bindings, outer_locals)?;
-        let joined = join_rendered(
-            &param_bindings
-                .iter()
-                .map(|(name, _)| name.clone())
-                .collect::<Vec<_>>(),
-            ", ",
-        );
-        Ok(render_named_template(
-            &self.indexes.syntax.expressions.closure,
-            &[("params", &joined), ("body", &body)],
-        ))
-    }
-
-    fn render_loop(
-        &self,
-        l: &crate::dag::LoopNode,
-        locals: &RenderLocals,
-    ) -> Result<String, EmitError> {
-        let body_port = super::behavior_result_port(self.dag.node(l.body));
-        self.render_port(body_port, locals, RenderMode::OwnedConstructLastUse)
-    }
-
-    fn render_function_declaration(
-        &self,
-        declaration: &crate::dag::Declaration,
-    ) -> Result<String, EmitError> {
-        let Some(name) = &declaration.name else {
-            return Err(EmitError::UnsupportedBehavior(
-                "anonymous Arrow declarations cannot be emitted as top-level Rust functions"
-                    .to_string(),
-            ));
-        };
-        let TypeConnective::Arrow {
-            inputs,
-            output,
-            body,
-        } = &declaration.connective
-        else {
-            return Err(EmitError::UnsupportedBehavior(
-                "render_function_declaration expected an Arrow declaration".to_string(),
-            ));
-        };
-        if !declaration.type_params.is_empty() {
-            return Err(EmitError::UnsupportedBehavior(
-                "generic user-defined functions are not yet supported by emit_rust".to_string(),
-            ));
-        }
-        let ArrowBody::UserDefined(bind_id) = body else {
-            return Err(EmitError::UnsupportedBehavior(
-                "external or unparsed Arrow bodies are not yet supported in function emission"
-                    .to_string(),
-            ));
-        };
-        let bind = (*bind_id).bind(self.dag);
-        let param_dispositions = self.callable_param_dispositions(declaration.id, inputs.len());
-        let mut locals = RenderLocals::default();
-        let mut output_callable_walk = HashSet::new();
-        // C-8 / #676: there is no separate "return-only" / `AppliedTypeArguments` walk. The
-        // return slot uses the same `decl_includes_first_class_arrow_data` as struct derives /
-        // storage — including `Instantiation` (args **and** non-`List` **template**), so
-        // first-class `fn` living only "under" a template head still sets this flag. That
-        // unifies with `rust_type_name_for_user_function_parameter` (compose `Rc` when the
-        // return carries callable data anywhere).
-        let return_includes_first_class_arrow =
-            self.decl_includes_first_class_arrow_data(*output, &mut output_callable_walk);
-        let params = bind
-            .params
-            .iter()
-            .zip(param_dispositions.iter())
-            .enumerate()
-            .map(|(idx, (port, disposition))| {
-                let param_name = format!("p{idx}");
-                let ty_decl = self
-                    .dag
-                    .port(*port)
-                    .value_type()
-                    .ok_or(EmitError::UntypedPort(*port))?
-                    .declaration;
-                let callable_param_ty = self.type_declaration_peels_to_arrow(ty_decl);
-                let ty = self.rust_type_name_for_user_function_parameter(
-                    *port,
-                    *disposition,
-                    return_includes_first_class_arrow,
-                )?;
-                match disposition {
-                    ParameterDispositionBinding::Borrowed
-                        if self.read_strategy() == ReadStrategyBinding::Borrow
-                            && !callable_param_ty =>
-                    {
-                        locals
-                            .names
-                            .insert(*port, LocalBinding::Borrowed(param_name.clone()));
-                    }
-                    _ => {
-                        locals
-                            .names
-                            .insert(*port, LocalBinding::Owned(param_name.clone()));
-                    }
-                }
-                Ok(render_named_template(
-                    &self.indexes.syntax.functions.param_with_type,
-                    &[("name", &param_name), ("type", &ty)],
-                ))
-            })
-            .collect::<Result<Vec<_>, EmitError>>()?;
-        if bind.params.len() != inputs.len() {
-            return Err(EmitError::UnsupportedBehavior(
-                "function bind parameter count does not match Arrow inputs".to_string(),
-            ));
-        }
-        let params_joined = join_rendered(&params, &self.indexes.syntax.functions.param_separator);
-        let ret = self
-            .indexes
-            .types
-            .get(output)
-            .map(|binding| binding.carrier.clone())
-            .or_else(|| self.rust_type_name_for_port(bind.value).ok())
-            .ok_or(EmitError::MissingTypeRealization { target: *output })?;
-        let body = self.render_port(bind.value, &locals, RenderMode::OwnedConstructLastUse)?;
-        let rendered = render_named_template(
-            match self.mode {
-                EmitRustMode::Program => &self.indexes.syntax.functions.definition,
-                EmitRustMode::Module => &self.indexes.syntax.functions.definition_exported,
-            },
-            &[
-                ("name", name),
-                ("params", &params_joined),
-                ("ret", &ret),
-                ("body", &body),
-            ],
-        );
-        Ok(rendered)
-    }
-
-    fn render_type_declaration(
-        &self,
-        declaration: &crate::dag::Declaration,
-    ) -> Result<String, EmitError> {
-        let Some(name) = &declaration.name else {
-            return Err(EmitError::UnsupportedBehavior(
-                "anonymous type declarations cannot be emitted".to_string(),
-            ));
-        };
-        if !declaration.type_params.is_empty() {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "generic type declaration `{name}` is not yet supported by emit_rust"
-            )));
-        }
-        match &declaration.connective {
-            TypeConnective::Conj { children } => {
-                // `Rc<dyn Fn…>` fields are not `Debug`. `rust_type_defs.struct_def` still
-                // carries `#[derive(Clone, Debug)]` for ordinary records — when any field
-                // transitively holds first-class `fn` data, use `rust_record_derive_templates`
-                // instead (`struct_def_no_debug`: clone-only). See `decl_includes_first_class_arrow_data`
-                // and `emit_callable_field_types_use_rc_dyn_fn_storage` (INVARIANTS.md C-8).
-                let omit_debug = children.iter().any(|field| {
-                    let mut visited = HashSet::new();
-                    self.decl_includes_first_class_arrow_data(field.ty, &mut visited)
-                });
-                let fields = children
-                    .iter()
-                    .map(|field| self.render_struct_field(field))
-                    .collect::<Result<Vec<_>, _>>()?;
-                let fields_joined = join_rendered(&fields, " ");
-                let template = if omit_debug {
-                    &self
-                        .indexes
-                        .syntax
-                        .record_derive_no_debug
-                        .struct_def_no_debug
-                } else {
-                    &self.indexes.syntax.type_definitions.struct_def
-                };
-                Ok(render_named_template(
-                    template,
-                    &[("name", name), ("fields", &fields_joined)],
-                ))
-            }
-            TypeConnective::Disj { variants } => {
-                // Same `Debug` omission as records when variant payloads carry `Rc<dyn Fn…>`.
-                let omit_debug = variants.iter().any(|variant| {
-                    let mut visited = HashSet::new();
-                    self.decl_includes_first_class_arrow_data(variant.ty, &mut visited)
-                });
-                let rendered_variants = variants
-                    .iter()
-                    .map(|variant| self.render_enum_variant(variant))
-                    .collect::<Result<Vec<_>, _>>()?;
-                let variants_joined = join_rendered(&rendered_variants, " ");
-                let template = if omit_debug {
-                    &self.indexes.syntax.record_derive_no_debug.enum_def_no_debug
-                } else {
-                    &self.indexes.syntax.type_definitions.enum_def
-                };
-                Ok(render_named_template(
-                    template,
-                    &[("name", name), ("variants", &variants_joined)],
-                ))
-            }
-            _ => Err(EmitError::UnsupportedBehavior(format!(
-                "type declaration `{name}` does not lower to a record or sum shape"
-            ))),
-        }
-    }
-
-    fn render_struct_field(&self, field: &Field) -> Result<String, EmitError> {
-        // Record fields are **not** `impl Trait` positions. First-class `fn`
-        // types use the storage carrier (`Rc<dyn Fn…>`) under
-        // `ArrowRustEmitPolicy::StorageRcDynFn` — never `rust_arrow_as_parameter_impl_fn_clone`
-        // (PR #676 inline review / INVARIANTS.md C-8 fail-closed vs plausible Rust).
-        let ty = self.rust_type_name_for_decl_storage(field.ty)?;
-        Ok(render_named_template(
-            &self.indexes.syntax.type_definitions.struct_field,
-            &[("name", &field.label), ("type", &ty)],
-        ))
-    }
-
-    fn render_enum_variant(&self, variant: &Field) -> Result<String, EmitError> {
-        let variant_decl = self.dag.declaration(variant.ty);
-        let TypeConnective::Conj { children } = &variant_decl.connective else {
-            return Err(EmitError::UnsupportedBehavior(format!(
-                "enum variant `{}` does not lower to a product declaration",
-                variant.label
-            )));
-        };
-        if children.is_empty() {
-            return Ok(render_named_template(
-                &self.indexes.syntax.type_definitions.enum_unit_variant,
-                &[("name", &variant.label)],
-            ));
-        }
-        let fields = children
-            .iter()
-            .map(|field| {
-                let rendered = self.render_struct_field(field)?;
-                Ok(rendered.replacen("pub ", "", 1))
-            })
-            .collect::<Result<Vec<_>, _>>()?;
-        let fields_joined = join_rendered(&fields, " ");
-        Ok(render_named_template(
-            &self.indexes.syntax.type_definitions.enum_data_variant,
-            &[("name", &variant.label), ("fields", &fields_joined)],
-        ))
-    }
-
-    /// Sort a Branch's paths into (then, else) for if/else emission.
-    /// Walks the scrutinee's port type to its Disj children, finds
-    /// the True/False variants (resolved against `Classical` / Bool)
-    /// by structural position, and matches each path's
-    /// ResolvedVariant declaration id against them. Zero name
-    /// strings — the True/False distinction comes from the
-    /// scrutinee's Disj order, which is itself a fact of std/logic.dag.
-    fn split_bool_paths<'p>(&self, b: &'p BranchNode) -> Result<(&'p Path, &'p Path), EmitError> {
-        // The scrutinee's type tells us which Disj we're branching
-        // on. For `if cond then ... else ...`, that's `Classical`
-        // (Bool) and its variants are the True/False markers.
-        let scrutinee_type_id = primitive_type_id_for_port(self.dag, b.input)?;
-        let disj_id = walk_to_disj(self.dag, scrutinee_type_id).ok_or_else(|| {
-            EmitError::UnsupportedBehavior(format!(
-                "branch scrutinee type at {scrutinee_type_id:?} does not walk to a Disj"
-            ))
-        })?;
-        let variants: Vec<&Field> = match &self.dag.declaration(disj_id).connective {
-            TypeConnective::Disj { variants } => variants.iter().collect(),
-            _ => unreachable!("walk_to_disj returned a non-Disj"),
-        };
-        if variants.len() != 2 {
-            return Err(EmitError::NonBooleanBranch {
-                variant_ids: variants.iter().map(|v| v.ty).collect(),
-            });
-        }
-        // Convention: in std/logic.dag's Classical declaration,
-        // the first variant is True and the second is False
-        // (`type Classical = True | False`). The emitter uses
-        // structural position, not the variant labels — same way
-        // infer.rs reads patterns post-resolution.
-        let true_variant_id = variants[0].ty;
-        let false_variant_id = variants[1].ty;
-
-        let mut then_path: Option<&Path> = None;
-        let mut else_path: Option<&Path> = None;
-        for path in &b.paths {
-            let resolved_id = match &path.pattern {
-                BranchPattern::ResolvedVariant(id) => *id,
-                BranchPattern::UnresolvedVariant { name, .. } => {
-                    return Err(EmitError::UnresolvedBranchPattern {
-                        variant_name: name.clone(),
-                    });
-                }
-            };
-            if resolved_id == true_variant_id {
-                then_path = Some(path);
-            } else if resolved_id == false_variant_id {
-                else_path = Some(path);
-            } else {
-                return Err(EmitError::NonBooleanBranch {
-                    variant_ids: vec![resolved_id],
-                });
-            }
-        }
-        match (then_path, else_path) {
-            (Some(t), Some(e)) => Ok((t, e)),
-            _ => Err(EmitError::UnsupportedBehavior(
-                "if/else branch must have both True and False arms".to_string(),
-            )),
-        }
-    }
-
-    /// Rust type for a **user `fn` item parameter** only (`render_function_declaration`).
-    /// Record / enum payload field types never call this helper: they use
-    /// `render_struct_field` → `rust_type_name_for_decl_storage` (`Rc<dyn Fn…>`
-    /// for first-class `fn` data; INVARIANTS.md C-8 / PR #676 inline review).
-    ///
-    /// Callable-shaped parameters use `impl Fn(...) -> T + Clone` (v2 / PR #650)
-    /// **unless** the function's declared return type carries first-class `fn`
-    /// anywhere — then callable parameters use `std::rc::Rc<dyn Fn…>` so
-    /// pass-through composes with the return type (rustc `E0308` otherwise).
-    /// Other parameters use `rust_type_name_for_port` /
-    /// `rust_borrowed_type_name_for_port`.
-    fn rust_type_name_for_user_function_parameter(
-        &self,
-        port: PortId,
-        disposition: ParameterDispositionBinding,
-        return_includes_first_class_arrow: bool,
-    ) -> Result<String, EmitError> {
-        let ty_decl = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?
-            .declaration;
-        if self.type_declaration_peels_to_arrow(ty_decl) {
-            if return_includes_first_class_arrow {
-                return self.rust_type_name_for_decl_storage(ty_decl);
-            }
-            return self.rust_arrow_as_parameter_impl_fn_clone(ty_decl);
-        }
-        match disposition {
-            ParameterDispositionBinding::Borrowed
-                if self.read_strategy() == ReadStrategyBinding::Borrow =>
-            {
-                self.rust_borrowed_type_name_for_port(port)
-            }
-            _ => self.rust_type_name_for_port(port),
-        }
-    }
-
-    /// `impl Fn(...) -> R + Clone` for a first-class `fn` type used **only**
-    /// in direct user-function parameter position (this is **not** the
-    /// context-free `rust_type_name_for_decl_with_policy` renderer — record
-    /// fields / `Vec<…>` / etc. never call here). Nested parameter/return types
-    /// use `rust_type_name_for_decl_storage` (`Rc<dyn Fn…>`). See
-    /// `ArrowRustEmitPolicy` and `src/v3/spec/rust.dag` (first-class callable note).
-    /// Future: lift the two spellings into `rust.dag` `TypeRealization`-style rows
-    /// for full THESIS “declared target realization” parity (today: policy + spec comment).
-    fn rust_arrow_as_parameter_impl_fn_clone(
-        &self,
-        declaration: DeclarationId,
-    ) -> Result<String, EmitError> {
-        let Some((inputs, output)) = self.peel_resolved_chain_to_first_class_arrow(declaration)
-        else {
-            return Err(EmitError::UnsupportedBehavior(
-                "rust_arrow_as_parameter_impl_fn_clone: declaration does not peel to Arrow"
-                    .to_string(),
-            ));
-        };
-        let param_types = inputs
-            .iter()
-            .map(|i| self.rust_type_name_for_decl_storage(*i))
-            .collect::<Result<Vec<_>, _>>()?;
-        let param_str = param_types.join(", ");
-        let ret_str = self.rust_type_name_for_decl_storage(output)?;
-        Ok(format!("impl Fn({param_str}) -> {ret_str} + Clone"))
-    }
-
-    /// Rust type spelling for a port in **storage-class** positions: resolves the
-    /// port's value type to a declaration id, then `rust_type_name_for_decl_storage`
-    /// (including the `types` realization index when populated). Not used for user
-    /// `fn` parameters — those use `rust_type_name_for_user_function_parameter` first.
-    fn rust_type_name_for_port(&self, port: PortId) -> Result<String, EmitError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?;
-        self.rust_type_name_for_decl_storage(ty.declaration)
-    }
-
-    /// Rust type spelling for a port consumed under **borrow** read strategy
-    /// when the port is **not** a first-class callable (`fn` data) type.
-    /// Callable-shaped user `fn` parameters are routed in
-    /// `rust_type_name_for_user_function_parameter` **before** this helper is
-    /// consulted (`impl Fn + Clone` or `Rc<dyn Fn…>` per return composition).
-    /// Non-callable ports delegate to `rust_borrowed_type_name_for_decl` (`&T` /
-    /// `&[U]` only).
-    fn rust_borrowed_type_name_for_port(&self, port: PortId) -> Result<String, EmitError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?;
-        self.rust_borrowed_type_name_for_decl(ty.declaration)
-    }
-
-    fn port_is_substrate_result(&self, port: PortId) -> Result<bool, EmitError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?;
-        let mut visited = HashSet::new();
-        Ok(self.decl_is_substrate_result_rec(ty.declaration, &mut visited))
-    }
-
-    fn decl_is_substrate_result_rec(
-        &self,
-        declaration: DeclarationId,
-        visited: &mut HashSet<DeclarationId>,
-    ) -> bool {
-        if !visited.insert(declaration) {
-            return false;
-        }
-        let decl = self.dag.declaration(declaration);
-        match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => {
-                super::substrate_result_type_decl_suppressed_for_emit(
-                    self.dag,
-                    self.dag.declaration(*template),
-                ) || self.decl_is_substrate_result_rec(*template, visited)
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.decl_is_substrate_result_rec(*next, visited)
-            }
-            _ => super::substrate_result_type_decl_suppressed_for_emit(self.dag, decl),
-        }
-    }
-
-    /// Peel `ResolvedBy{Structure,Name}` atoms, and **zero-arity
-    /// `Instantiation` aliases** (`type G = F` lower as `Instantiate(F, []);`
-    /// not `ResolvedByName`) until a first-class `TypeConnective::Arrow` with
-    /// `ArrowBody::NoBody` is found.
-    /// `None` on cycle, on `ArrowBody::UserDefined` / other heads, or when no
-    /// such arrow is reachable.
-    fn peel_resolved_chain_to_first_class_arrow(
-        &self,
-        mut declaration: DeclarationId,
-    ) -> Option<(Vec<DeclarationId>, DeclarationId)> {
-        let mut visited = HashSet::new();
-        loop {
-            if !visited.insert(declaration) {
-                return None;
-            }
-            let decl = self.dag.declaration(declaration);
-            match &decl.connective {
-                TypeConnective::Arrow {
-                    inputs,
-                    output,
-                    body: ArrowBody::NoBody,
-                } => {
-                    return Some((inputs.clone(), *output));
-                }
-                TypeConnective::Arrow { .. } => return None,
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    declaration = *next;
-                }
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if arguments.is_empty() => {
-                    declaration = *template;
-                }
-                _ => return None,
-            }
-        }
-    }
-
-    /// True when `declaration` (after peeling `ResolvedBy*` and zero-arity
-    /// `Instantiation` type aliases) is a first-class function type (`fn(...) -> _` in surface),
-    /// i.e. a `TypeConnective::Arrow` with `ArrowBody::NoBody` (data `fn`, not a
-    /// user `fn` item's `ArrowBody::UserDefined`).
-    fn type_declaration_peels_to_arrow(&self, declaration: DeclarationId) -> bool {
-        self.peel_resolved_chain_to_first_class_arrow(declaration)
-            .is_some()
-    }
-
-    /// Bootstrap `Int` / `Bool` / `String` type roots. Their expanded substrate
-    /// (rings, algebras) contains `TypeConnective::Arrow` for operations, not
-    /// first-class `fn` data — we must not confuse that with a user `fn` when
-    /// classifying a **return** type; see `decl_includes_first_class_arrow_data`.
-    ///
-    /// **Extension / dissolve:** a new std primitive with the same
-    /// algebra-`Arrow` pattern (e.g. `Float`, `Bytes`) must extend
-    /// `Dag::first_class_fn_walk_bootstrap_prune_type_shapes` in the same PR, or
-    /// replace with a `Dag`-driven "numeric / algebra" classification.
-    fn declaration_is_bootstrap_int_bool_string(&self, declaration: DeclarationId) -> bool {
-        self.dag
-            .first_class_fn_walk_bootstrap_prune_type_shapes()
-            .iter()
-            .any(|s| s.declaration == declaration)
-    }
-
-    /// True when `declaration` (including nested record / sum / instantiations)
-    /// carries first-class `fn` (`TypeConnective::Arrow` + `ArrowBody::NoBody`)
-    /// anywhere, so (a) storage positions use `Rc<dyn Fn…>` and (b) `Debug`
-    /// is omitted for user `struct` / `enum` derives. Used for return-vs-param
-    /// callable **carrier** selection (user `fn` params) and for derive
-    /// templates.
-    ///
-    /// For `Instantiation`, we walk type **arguments** and, when the head is
-    /// not the `List` template, the **template** (so a user `G<T>` can carry
-    /// callable data on `G` without it appearing in `T`). The `List` head and
-    /// the `PartialFunction` head (surface `Map<K, V>`) are skipped: the first
-    /// is always element-shaped in `T`; the second is a `Conj` of algebra
-    /// `Arrow`+`NoBody` *operations* (lookup, insert, …) that must not be
-    /// taken for user first-class `fn` *values* (C-8; #676).
-    /// The primitive check above **short-circuits** `-> Int` (etc.) so we do
-    /// not follow those type roots into ring/algebra noise.
-    fn decl_includes_first_class_arrow_data(
-        &self,
-        declaration: DeclarationId,
-        visited: &mut HashSet<DeclarationId>,
-    ) -> bool {
-        if !visited.insert(declaration) {
-            return false;
-        }
-        if self.declaration_is_bootstrap_int_bool_string(declaration) {
-            return false;
-        }
-        if self.type_declaration_peels_to_arrow(declaration) {
-            return true;
-        }
-        let decl = self.dag.declaration(declaration);
-        match &decl.connective {
-            TypeConnective::Conj { children } => children
-                .iter()
-                .any(|field| self.decl_includes_first_class_arrow_data(field.ty, visited)),
-            TypeConnective::Disj { variants } => variants
-                .iter()
-                .any(|variant| self.decl_includes_first_class_arrow_data(variant.ty, visited)),
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                let from_args = arguments
-                    .iter()
-                    .any(|arg| self.decl_includes_first_class_arrow_data(arg.value, visited));
-                from_args
-                    || (!self.is_list_template(*template)
-                        && !self.is_partial_function_template(*template)
-                        && self.decl_includes_first_class_arrow_data(*template, visited))
-            }
-            TypeConnective::Cardinality(p) => {
-                self.decl_includes_first_class_arrow_data(p.element(), visited)
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.decl_includes_first_class_arrow_data(*next, visited)
-            }
-            _ => false,
-        }
-    }
-
-    /// `&T` / `&[U]` spellings for borrowed emission. **Does not** handle peeled
-    /// callable `Arrow` types — callers must use
-    /// `rust_type_name_for_user_function_parameter` for user `fn` parameters
-    /// (which selects `impl Fn + Clone` vs `Rc<dyn Fn…>` before borrow paths).
-    fn rust_borrowed_type_name_for_decl(
-        &self,
-        declaration: DeclarationId,
-    ) -> Result<String, EmitError> {
-        let decl = self.dag.declaration(declaration);
-        match &decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                if self.is_list_template(*template) {
-                    let [element] = arguments.as_slice() else {
-                        return Err(EmitError::UnsupportedBehavior(
-                            "borrowed List carrier expects exactly one type argument".to_string(),
-                        ));
-                    };
-                    let element_name = self.rust_type_name_for_decl_storage(element.value)?;
-                    Ok(format!("&[{element_name}]"))
-                } else {
-                    Ok(format!(
-                        "&{}",
-                        self.rust_type_name_for_decl_storage(declaration)?
-                    ))
-                }
-            }
-            _ => Ok(format!(
-                "&{}",
-                self.rust_type_name_for_decl_storage(declaration)?
-            )),
-        }
-    }
-
-    /// Vetted storage positions (`Rc<dyn Fn…>`) for anonymous `fn` types.
-    fn rust_type_name_for_decl_storage(
-        &self,
-        declaration: DeclarationId,
-    ) -> Result<String, EmitError> {
-        self.rust_type_name_for_decl_with_policy(
-            declaration,
-            0,
-            ArrowRustEmitPolicy::StorageRcDynFn,
-        )
-    }
-
-    fn rust_type_name_for_decl_with_policy(
-        &self,
-        declaration: DeclarationId,
-        depth: usize,
-        arrow_policy: ArrowRustEmitPolicy,
-    ) -> Result<String, EmitError> {
-        if depth >= 32 {
-            return Err(EmitError::UnsupportedBehavior(
-                "type-name rendering exceeded depth 32 — likely a cycle".to_string(),
-            ));
-        }
-        if let Some(binding) = self.indexes.types.get(&declaration) {
-            return Ok(binding.carrier.clone());
-        }
-        if let Some(named_peer) =
-            gate60_realized_named_compose_peer(self.dag, &self.indexes.types, declaration)
-        {
-            if let Some(binding) = self.indexes.types.get(&named_peer) {
-                return Ok(binding.carrier.clone());
-            }
-            return Err(EmitError::MissingTypeRealization { target: named_peer });
-        }
-        let decl = self.dag.declaration(declaration);
-        if let Some(name) = &decl.name {
-            // Named user `struct` / `sum` (record or enum) are the Rust name authority
-            // for a field like `cb: Callback` when `Callback` is its own `type` item,
-            // even if that record transitively contains first-class `fn` storage — do
-            // not run the alias-only `decl_includes_first_class_arrow_data` fast-path
-            // below (codex #676: `Wrapper { cb: Callback }` with `Callback { f: fn… }`).
-            if matches!(
-                &decl.connective,
-                TypeConnective::Conj { .. } | TypeConnective::Disj { .. }
-            ) {
-                return Ok(name.clone());
-            }
-            // `type F = fn(...) -> _` is a **named** declaration whose connective is
-            // `Arrow` + `NoBody`. The Rust layer does not emit a `type F = …` typedef
-            // for first-class `fn` data, so returning `F` would be plausible but
-            // invalid (P3 fail-closed; #676). Fall through to the `Arrow` arm for
-            // `Rc<dyn Fn…>` or `UnsupportedBehavior` per `arrow_policy`.
-            let is_named_first_class_fn_alias = matches!(
-                &decl.connective,
-                TypeConnective::Arrow {
-                    body: ArrowBody::NoBody,
-                    ..
-                }
-            );
-            // A **chain** `type G = F` with `F = fn..` is lowered as
-            // `Instantiation(F, [])` (and sometimes `ResolvedByName`); a bare
-            // `G` is invalid in Rust like a bare `F` (#676, P3, Codex).
-            // When peeling finds first-class `fn` under the alias, skip this
-            // return and use the `Instantiation` / `Arrow` path below.
-            //
-            // `type L = List<fn..>` (or `Map<.., fn..>`, etc.) does **not** peel
-            // to a top-level `Arrow` — but `list` / `value` args still carry
-            // first-class `fn` data. Emitting the bare `L` would be an undefined
-            // Rust name (C-8; #676) — `decl_includes_first_class_arrow_data` matches
-            // the same carrier rules as `decl_includes` on struct fields.
-            if !is_named_first_class_fn_alias
-                && self
-                    .peel_resolved_chain_to_first_class_arrow(declaration)
-                    .is_none()
-            {
-                let mut first_class_fn_walk = std::collections::HashSet::new();
-                if !self.decl_includes_first_class_arrow_data(declaration, &mut first_class_fn_walk)
-                {
-                    return Ok(name.clone());
-                }
-            }
-        }
-        match &decl.connective {
-            // `type G = F` → `Instantiate(F, [])` (see `type_to_connective`); alias is
-            // not a `List`/`Map` template realization.
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                self.rust_type_name_for_decl_with_policy(*template, depth + 1, arrow_policy)
-            }
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => self.render_instantiated_type(*template, arguments, depth + 1, arrow_policy),
-            TypeConnective::Cardinality(p)
-                if p.bound() == crate::dag::CardinalityBound::AtMostOne =>
-            {
-                let inner =
-                    self.rust_type_name_for_decl_with_policy(p.element(), depth + 1, arrow_policy)?;
-                Ok(render_named_template(
-                    &self.indexes.syntax.type_applications.optional,
-                    &[("element", &inner)],
-                ))
-            }
-            // Named user `Conj` / `Disj`: a field may hold first-class `fn` data, so
-            // `decl_includes_first_class_arrow_data` can block the **alias** fast
-            // path above — this connective is still a real `pub struct` / `enum` we
-            // emit, and the bare name is a valid forward reference in other
-            // parameter / return positions (PR #676 follow-up, claude review).
-            TypeConnective::Conj { .. } | TypeConnective::Disj { .. } => {
-                if let Some(n) = &decl.name {
-                    Ok(n.clone())
-                } else {
-                    Err(EmitError::MissingTypeRealization { target: declaration })
-                }
-            }
-            // First-class anonymous `fn` (`ArrowBody::NoBody` only): `impl Fn + Clone` is **not**
-            // produced here — only `StorageRcDynFn` → `Rc<dyn Fn…>` or
-            // `RejectFirstClassFn` → `UnsupportedBehavior` (INVARIANTS.md C-8).
-            // `Arrow` with `UserDefined` / other bodies is a user `fn` item shape, not
-            // first-class `fn` data — fail closed if it reaches storage rendering (P3).
-            TypeConnective::Arrow {
-                inputs,
-                output,
-                body: ArrowBody::NoBody,
-            } => match arrow_policy {
-                ArrowRustEmitPolicy::RejectFirstClassFn => Err(EmitError::UnsupportedBehavior(
-                    "emit_rust: first-class function type (`fn(...) -> _` / TypeConnective::Arrow) \
-                     in an unsupported Rust type-name context; supported carriers are: user `fn` \
-                     parameters via `rust_type_name_for_user_function_parameter` (`impl Fn + \
-                     Clone`, or `std::rc::Rc<dyn Fn…>` when the return type carries a first-class \
-                     `fn` so param/ret compose), and struct fields / collection instantiations / \
-                     top-level `let` / inferred return slots via `rust_type_name_for_decl_storage` \
-                     (`std::rc::Rc<dyn Fn…>`). See `src/v3/spec/rust.dag` header on first-class callable surfaces."
-                        .to_string(),
-                )),
-                ArrowRustEmitPolicy::StorageRcDynFn => {
-                    let param_types = inputs
-                        .iter()
-                        .map(|i| {
-                            self.rust_type_name_for_decl_with_policy(
-                                *i,
-                                depth + 1,
-                                ArrowRustEmitPolicy::StorageRcDynFn,
-                            )
-                        })
-                        .collect::<Result<Vec<_>, _>>()?;
-                    let param_str = param_types.join(", ");
-                    let ret_str = self.rust_type_name_for_decl_with_policy(
-                        *output,
-                        depth + 1,
-                        ArrowRustEmitPolicy::StorageRcDynFn,
-                    )?;
-                    Ok(format!("std::rc::Rc<dyn Fn({param_str}) -> {ret_str}>"))
-                }
-            },
-            TypeConnective::Arrow { .. } => Err(EmitError::UnsupportedBehavior(
-                "emit_rust: TypeConnective::Arrow reached storage type-name rendering with a \
-                 body other than `ArrowBody::NoBody`; only first-class anonymous `fn` data may \
-                 use the `std::rc::Rc<dyn Fn…>` carrier here. User-defined function arrows must \
-                 not be lowered through `rust_type_name_for_decl_storage`."
-                    .to_string(),
-            )),
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.rust_type_name_for_decl_with_policy(*next, depth + 1, arrow_policy)
-            }
-            _ => Err(EmitError::MissingTypeRealization {
-                target: declaration,
-            }),
-        }
-    }
-
-    fn render_instantiated_type(
-        &self,
-        template: DeclarationId,
-        arguments: &[TemplateArgument],
-        depth: usize,
-        arrow_policy: ArrowRustEmitPolicy,
-    ) -> Result<String, EmitError> {
-        let Some(binding) = self.indexes.instantiations.get(&template) else {
-            return Err(EmitError::MissingTypeRealization { target: template });
-        };
-        match arguments {
-            [element] => {
-                let element_name = self.rust_type_name_for_decl_with_policy(
-                    element.value,
-                    depth + 1,
-                    arrow_policy,
-                )?;
-                Ok(render_named_template(
-                    &binding.carrier,
-                    &[("element", &element_name)],
-                ))
-            }
-            [key, value] => {
-                let key_name =
-                    self.rust_type_name_for_decl_with_policy(key.value, depth + 1, arrow_policy)?;
-                let value_name = self.rust_type_name_for_decl_with_policy(
-                    value.value,
-                    depth + 1,
-                    arrow_policy,
-                )?;
-                Ok(render_named_template(
-                    &binding.carrier,
-                    &[("key", &key_name), ("value", &value_name)],
-                ))
-            }
-            [key, value, extra] => {
-                let key_name =
-                    self.rust_type_name_for_decl_with_policy(key.value, depth + 1, arrow_policy)?;
-                let value_name = self.rust_type_name_for_decl_with_policy(
-                    value.value,
-                    depth + 1,
-                    arrow_policy,
-                )?;
-                let extra_name = self.rust_type_name_for_decl_with_policy(
-                    extra.value,
-                    depth + 1,
-                    arrow_policy,
-                )?;
-                Ok(render_named_template(
-                    &binding.carrier,
-                    &[
-                        ("key", &key_name),
-                        ("value", &value_name),
-                        ("extra", &extra_name),
-                    ],
-                ))
-            }
-            _ => Err(EmitError::UnsupportedBehavior(format!(
-                "instantiated type carrier for declaration {:?} only supports arities 1, 2, and 3 at PR scope",
-                template
-            ))),
-        }
-    }
-
-    fn port_is_copy(&self, port: PortId) -> Result<bool, EmitError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?;
-        let mut visited = HashSet::new();
-        self.decl_is_copy_rec(ty.declaration, &mut visited)
-    }
-
-    fn decl_is_copy_rec(
-        &self,
-        declaration: DeclarationId,
-        visited: &mut HashSet<DeclarationId>,
-    ) -> Result<bool, EmitError> {
-        if !visited.insert(declaration) {
-            // Self-referential cycle. A recursive type holds itself,
-            // which requires heap indirection on every target we emit —
-            // it is never Copy.
-            return Ok(false);
-        }
-        let decl = self.dag.declaration(declaration);
-        if let Some(binding) = self.indexes.types.get(&declaration) {
-            return Ok(binding.is_copy);
-        }
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                self.decl_is_copy_rec(*next, visited)
-            }
-            // For user-defined Conj/Disj/Instantiation/Cardinality
-            // types without an explicit TypeRealization, conservatively
-            // return false. The emitter derives `#[derive(Clone, Debug)]`
-            // (not Copy) on user-defined types, so recursing through the
-            // algebra and reporting "all leaves are Copy → composite is
-            // Copy" mismatches the emitted Rust and produces use-after-
-            // move errors. The cycle guard above still applies if a
-            // future user-defined type recursively contains itself.
-            TypeConnective::Conj { .. }
-            | TypeConnective::Disj { .. }
-            | TypeConnective::Instantiation { .. }
-            | TypeConnective::Cardinality(_)
-            | TypeConnective::Arrow { .. } => Ok(false),
-            _ => Ok(false),
-        }
-    }
-
-    fn port_is_list(&self, port: PortId) -> Result<bool, EmitError> {
-        let ty = self
-            .dag
-            .port(port)
-            .value_type()
-            .ok_or(EmitError::UntypedPort(port))?;
-        self.decl_is_list(ty.declaration)
-    }
-
-    fn decl_is_list(&self, declaration: DeclarationId) -> Result<bool, EmitError> {
-        let decl = self.dag.declaration(declaration);
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => self.decl_is_list(*next),
-            TypeConnective::Instantiation { template, .. } => Ok(self.is_list_template(*template)),
-            _ => Ok(self.is_list_template(declaration)),
-        }
-    }
-
-    fn is_list_template(&self, declaration: DeclarationId) -> bool {
-        self.dag
-            .list_template()
-            .is_some_and(|list| list == declaration)
-    }
-
-    /// `Map<K, V>` instantiates the std `PartialFunction` record; its fields are
-    /// not user first-class `fn` as in `peel_resolved_chain_to_first_class_arrow`.
-    fn is_partial_function_template(&self, declaration: DeclarationId) -> bool {
-        self.dag
-            .partial_function_template()
-            .is_some_and(|pfun| pfun == declaration)
-    }
-}
-
-/// Anonymous specialized `Disj` nodes from `lower::specialize_decl_for_lowering`
-/// set `specialization_parent = Some(template_disj_id)` so Rust emit can recover
-/// the template enum name without cloning `Declaration::name` onto a second
-/// declaration id (P2 / single-authority metadata for `Dag::declaration_by_name`).
-///
-/// Returns the template's `Declaration::name` once a named `Disj` is reached.
-fn named_disj_enum_name_for_rust_match_emit(
-    dag: &Dag,
-    mut disj_id: DeclarationId,
-) -> Option<String> {
-    // Chains are one hop in practice (`specialize_decl_for_lowering`); 32 matches
-    // `specialize_decl_for_lowering`'s depth bound so a bug cannot spin forever.
-    for _ in 0..32 {
-        let decl = dag.declaration(disj_id);
-        let TypeConnective::Disj { .. } = &decl.connective else {
-            return None;
-        };
-        if let Some(name) = decl.name.clone() {
-            return Some(name);
-        }
-        disj_id = decl.specialization_parent?;
-    }
-    None
-}
-
-fn variant_name_for_decl(
-    dag: &Dag,
-    disj_id: DeclarationId,
-    variant_id: DeclarationId,
-) -> Result<String, EmitError> {
-    let TypeConnective::Disj { variants } = &dag.declaration(disj_id).connective else {
-        unreachable!("variant_name_for_decl requires a Disj parent")
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == variant_id)
-        .map(|variant| variant.label.clone())
-        .ok_or_else(|| {
-            EmitError::UnsupportedBehavior(format!(
-                "variant {variant_id:?} was not found under parent disjunction {disj_id:?}"
-            ))
-        })
-}
-
-fn variant_parent_info(dag: &Dag, variant_id: DeclarationId) -> Option<(String, String)> {
-    dag.declarations().iter().find_map(|decl| {
-        let enum_name = decl.name.as_ref()?;
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return None;
-        };
-        variants
-            .iter()
-            .find(|variant| variant.ty == variant_id)
-            .map(|variant| (enum_name.clone(), variant.label.clone()))
-    })
-}
-
-fn callable_template(target: DeclarationId, dag: &Dag) -> (DeclarationId, Vec<TemplateArgument>) {
-    match &dag.declaration(target).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => (*template, arguments.clone()),
-        _ => (target, Vec::new()),
-    }
-}
-
-fn bound_callable_argument(
-    dag: &Dag,
-    template: DeclarationId,
-    arguments: &[TemplateArgument],
-    input_index: usize,
-) -> Result<DeclarationId, EmitError> {
-    let TypeConnective::Arrow { inputs, .. } = &dag.declaration(template).connective else {
-        return Err(EmitError::UnsupportedBehavior(
-            "realized callable template did not resolve to an Arrow declaration".to_string(),
-        ));
-    };
-    let Some(param_decl) = inputs.get(input_index).copied() else {
-        return Err(EmitError::UnsupportedBehavior(format!(
-            "realized callable slot {} is missing from the template declaration",
-            input_index
-        )));
-    };
-    arguments
-        .iter()
-        .find(|arg| arg.parameter == param_decl)
-        .map(|arg| arg.value)
-        .ok_or_else(|| {
-            EmitError::UnsupportedBehavior(
-                "realized callable argument did not bind through template instantiation"
-                    .to_string(),
-            )
-        })
-}
-
-fn rust_string_literal_body(s: &str) -> String {
-    let mut out = String::new();
-    for c in s.chars() {
-        match c {
-            '\\' => out.push_str("\\\\"),
-            '"' => out.push_str("\\\""),
-            '\n' => out.push_str("\\n"),
-            '\r' => out.push_str("\\r"),
-            '\t' => out.push_str("\\t"),
-            c if c.is_ascii() && !c.is_control() => out.push(c),
-            c => {
-                use std::fmt::Write;
-                let _ = write!(&mut out, "\\u{{{:X}}}", c as u32);
-            }
-        }
-    }
-    out
-}
-
-fn render_value(v: &ValueNode, literals: &LiteralSyntaxBinding) -> String {
-    match &v.data {
-        LiteralBits::Int(decimal) => decimal.clone(),
-        LiteralBits::Bool(true) => literals.true_keyword.clone(),
-        LiteralBits::Bool(false) => literals.false_keyword.clone(),
-        LiteralBits::String(s) | LiteralBits::Symbol(s) => format!(
-            "String::from({}{}{})",
-            literals.string_delimiter,
-            rust_string_literal_body(s),
-            literals.string_delimiter
-        ),
-    }
-}
-
-/// Walk a port's resolved TypeShape declaration through anonymous
-/// aliases (`Atom(ResolvedIdentifier)`) and instantiations
-/// (`TypeConnective::Instantiation`) until it lands on the first
-/// **named** declaration. Returns that declaration's id.
-///
-/// **Why named-declaration stop.** The realization indexes are
-/// keyed by the canonical declaration ids of the named primitives
-/// declared in std/ (`Int`, `Bool`, `String`, etc.). When a port's
-/// `TypeShape` points at an anonymous wrapper (e.g. an
-/// `Instantiation { template: Int, .. }` allocated by
-/// `type_to_declaration_id` for compound types), the walk steps
-/// through the wrapper to the named declaration the realization
-/// references. When the port's TypeShape is a named alias like
-/// `type CommitSha = String`, the walk stops at `CommitSha` —
-/// callers see the alias's id directly. If the realization index
-/// has no entry for the alias, the lookup fails with
-/// `MissingTypeRealization` carrying the alias id, which is the
-/// honest signal: the realization spec needs to declare the alias
-/// (or M2+ adds an alias-walking dispatch via meta_tag chains).
-///
-/// At PR-B scope the walk depth is bounded to 32 to catch any
-/// runaway cycles; the std/ types we actually consume bottom out
-/// in 1–2 hops.
-fn primitive_type_id_for_port(dag: &Dag, port: PortId) -> Result<DeclarationId, EmitError> {
-    primitive_type_id_for_port_shared(dag, port).map_err(|err| match err {
-        SharedEmitLookupError::UntypedPort(port) => EmitError::UntypedPort(port),
-        SharedEmitLookupError::Unsupported(detail) => EmitError::UnsupportedBehavior(detail),
-    })
-}
-
-fn walk_to_conj(dag: &Dag, start: DeclarationId) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        match &decl.connective {
-            TypeConnective::Conj { .. } => return Some(current),
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            _ => return None,
-        }
-    }
-    None
-}
-
-fn is_optional_match_disj(dag: &Dag, disj_id: DeclarationId) -> bool {
-    dag.declarations()
-        .iter()
-        .filter_map(|decl| dag.optional_match_disj(decl.id))
-        .any(|optional_disj| optional_disj == disj_id)
-}
-
-/// Resolve the algebra-field declaration id for a given operand
-/// type and `OperatorKind`. Walks the operand type's instantiation
-/// chain to the algebra Conj (e.g. OrderedRing for Int), then finds
-/// the field whose label matches the operator's algebra field name.
-/// Returns the field's child declaration id, which the rust.dag
-/// `op: OrderedRing.add` reference also resolves to via the
-/// dotted-path lowering.
-///
-/// **Why this is acceptable as a thin bridge.** The
-/// `OperatorKind::algebra_field_name()` lookup is the substrate's
-/// existing operator → field mapping (already used by
-/// `infer::resolve_operator_arrow`). It IS a name comparison, but
-/// the name lives once in the generated operators authority
-/// (`operators_generated.rs`, re-exported via `crate::operators`)
-/// and the resolved declaration id is what flows downstream.
-/// The emitter doesn't repeat the comparison; it asks this helper
-/// for the field id and uses it as a typed index key.
-fn algebra_field_for_operator(
-    dag: &Dag,
-    operand_type_id: DeclarationId,
-    op: OperatorKind,
-) -> Result<DeclarationId, EmitError> {
-    algebra_field_for_operator_shared(dag, operand_type_id, op).map_err(|err| match err {
-        SharedEmitLookupError::UntypedPort(port) => EmitError::UntypedPort(port),
-        SharedEmitLookupError::Unsupported(detail) => EmitError::UnsupportedBehavior(detail),
-    })
-}
-
-#[cfg(test)]
-mod tests {
-    use std::collections::HashSet;
-
-    use super::*;
-    use crate::compile_to_dag;
-    use crate::diagnostics::SourceSpan;
-
-    #[test]
-    fn first_class_fn_walk_does_not_confuse_map_partial_function_with_user_fn() {
-        let dag = compile_to_dag("let _x: Int = 0\n", "t.v3").expect("compiles");
-        let map = dag
-            .declaration_by_name("Map")
-            .expect("Map from std should load in bootstrap")
-            .id;
-        let indexes = RealizationIndexes::build(&dag).expect("indexes build");
-        let input_use_facts = InputUseFacts::build(&dag, &indexes);
-        let bound_names: HashMap<PortId, LocalBinding> = HashMap::new();
-        let ctx = Ctx {
-            dag: &dag,
-            indexes: &indexes,
-            bound_names: &bound_names,
-            input_use_facts: &input_use_facts,
-            mode: EmitRustMode::Module,
-        };
-        let mut visited = HashSet::new();
-        assert!(
-            !ctx.decl_includes_first_class_arrow_data(map, &mut visited),
-            "`Map<K,V>`'s `PartialFunction` head carries `Arrow`+`NoBody` for algebra operations, \
-not user `fn` data; must not set return-carrier / Rc on callable params (PR #676)"
-        );
-    }
-
-    #[test]
-    fn rust_collection_ops_selects_higher_order_inline_templates() {
-        let dag = Dag::new();
-        let rust_collection_ops = dag
-            .declaration_by_name("rust_collection_ops")
-            .expect("rust collection ops spec exists")
-            .id;
-
-        let binding = parse_collection_ops(&dag, rust_collection_ops)
-            .expect("rust collection ops binding parses");
-
-        assert_eq!(
-            binding.filter,
-            "{ let __filter_source = {iter}; let mut __result = Vec::new(); for {param} in __filter_source.iter() { if {body} { __result.push((*{param}).clone()); } } __result }"
-        );
-
-        let fields =
-            structural_fields_for_decl(&dag, rust_collection_ops).expect("collection ops fields");
-        for (field, method, expected) in [
-            (
-                "flat_map_contract",
-                dag.flat_map_method_decl().expect("flat_map_method"),
-                "{ let mut __result = Vec::new(); for {param} in {iter} { __result.extend({inner_iter}); } __result }",
-            ),
-            (
-                "any_contract",
-                dag.any_method_decl().expect("any_method"),
-                "{ let mut __found = false; for {param} in {iter} { if {body} { __found = true; break; } } __found }",
-            ),
-            (
-                "all_contract",
-                dag.all_method_decl().expect("all_method"),
-                "{ let mut __all = true; for {param} in {iter} { if !({body}) { __all = false; break; } } __all }",
-            ),
-        ] {
-            let contract =
-                require_field_decl_ref(fields, field, rust_collection_ops).expect("contract ref");
-            let template = method_template_contract_decl_emit_template(
-                &dag, contract, field, method,
-            )
-            .expect("higher-order contract template");
-            assert_eq!(
-                require_higher_order_inline_template(template, contract)
-                    .expect("higher-order inline template"),
-                expected
-            );
-        }
-    }
-
-    #[test]
-    fn rust_collection_ops_rejects_single_template_for_higher_order_selection() {
-        let dag = Dag::new();
-        let rust_collection_ops = dag
-            .declaration_by_name("rust_collection_ops")
-            .expect("rust collection ops spec exists")
-            .id;
-        let fields =
-            structural_fields_for_decl(&dag, rust_collection_ops).expect("collection ops fields");
-        let length_contract =
-            require_field_decl_ref(fields, "length_contract", rust_collection_ops)
-                .expect("length contract ref");
-        let length_method = dag
-            .declaration_by_name("length_method")
-            .expect("length method registry row exists")
-            .id;
-
-        let single = method_template_contract_decl_emit_template(
-            &dag,
-            length_contract,
-            "length_contract",
-            length_method,
-        )
-        .expect("length_contract has a SingleTemplate emit template");
-        let err = require_higher_order_inline_template(single, length_contract)
-            .expect_err("SingleTemplate must not satisfy a higher-order CollectionOps field");
-
-        assert!(matches!(
-            err,
-            EmitError::MalformedTargetSyntax {
-                declaration,
-                detail:
-                    "Rust CollectionOps higher-order MethodTemplateContract must use MethodEmitTemplate.HigherOrderTemplates",
-            } if declaration == length_contract
-        ));
-    }
-
-    #[test]
-    fn render_field_project_reads_borrowed_nodes_without_cloning() {
-        let mut dag = Dag::new();
-        let parent_port = dag.alloc_port(None);
-        let dag_type = dag
-            .dag_type_decl()
-            .expect("Dag type realization target exists");
-        let dag_nodes_type = match &dag.declaration(dag_type).connective {
-            TypeConnective::Conj { children } => {
-                children
-                    .iter()
-                    .find(|field| field.label == "nodes")
-                    .expect("Dag.nodes field")
-                    .ty
-            }
-            other => panic!("Dag must be a Conj, got {other:?}"),
-        };
-        dag.set_port_type(parent_port, crate::types::TypeShape::new(dag_type));
-        let node_id = dag.alloc_node_id();
-        let output = dag.alloc_port(Some(node_id));
-        dag.push_node(Behavior::Transform(TransformNode {
-            id: node_id,
-            target: TransformTarget::ResolvedFieldProject {
-                field_label: "nodes".to_string(),
-            },
-            inputs: vec![parent_port],
-            output,
-            span: SourceSpan::new("<test>", 0, 0),
-        }));
-        dag.set_port_type(output, crate::types::TypeShape::new(dag_nodes_type));
-
-        let indexes = RealizationIndexes::build(&dag).expect("indexes build");
-        let input_use_facts = InputUseFacts::build(&dag, &indexes);
-        let mut bound_names = HashMap::new();
-        bound_names.insert(parent_port, LocalBinding::Owned("parent".to_string()));
-        let ctx = Ctx {
-            dag: &dag,
-            indexes: &indexes,
-            bound_names: &bound_names,
-            input_use_facts: &input_use_facts,
-            mode: EmitRustMode::Program,
-        };
-
-        let rendered = match dag.node(node_id) {
-            Behavior::Transform(t) => ctx
-                .render_transform(t, &RenderLocals::default(), RenderMode::BorrowedRead)
-                .expect("field project renders"),
-            other => panic!("expected Transform node, got {other:?}"),
-        };
-        assert_eq!(rendered, "(parent).nodes()");
-    }
-
-    #[test]
-    fn render_field_project_constructs_owned_list_from_borrowed_nodes() {
-        let mut dag = Dag::new();
-        let parent_port = dag.alloc_port(None);
-        let dag_type = dag
-            .dag_type_decl()
-            .expect("Dag type realization target exists");
-        let dag_nodes_type = match &dag.declaration(dag_type).connective {
-            TypeConnective::Conj { children } => {
-                children
-                    .iter()
-                    .find(|field| field.label == "nodes")
-                    .expect("Dag.nodes field")
-                    .ty
-            }
-            other => panic!("Dag must be a Conj, got {other:?}"),
-        };
-        dag.set_port_type(parent_port, crate::types::TypeShape::new(dag_type));
-
-        let mut test_node_ids = Vec::new();
-        for _ in 0..2 {
-            let node_id = dag.alloc_node_id();
-            let output = dag.alloc_port(Some(node_id));
-            dag.push_node(Behavior::Transform(TransformNode {
-                id: node_id,
-                target: TransformTarget::ResolvedFieldProject {
-                    field_label: "nodes".to_string(),
-                },
-                inputs: vec![parent_port],
-                output,
-                span: SourceSpan::new("<test>", 0, 0),
-            }));
-            dag.set_port_type(output, crate::types::TypeShape::new(dag_nodes_type));
-            test_node_ids.push(node_id);
-        }
-
-        // Query by the specific node we just pushed — earlier Transform
-        // nodes in `dag.nodes()` belong to bootstrap-loaded std modules
-        // and have no `parent` binding in `bound_names`, which renders
-        // as the empty-list fallback rather than the expected projection.
-        let first_transform = match dag.node(test_node_ids[0]) {
-            Behavior::Transform(t) => t,
-            other => panic!("pushed transform went missing, got {other:?}"),
-        };
-        let indexes = RealizationIndexes::build(&dag).expect("indexes build");
-        let input_use_facts = InputUseFacts::build(&dag, &indexes);
-        let mut bound_names = HashMap::new();
-        bound_names.insert(parent_port, LocalBinding::Owned("parent".to_string()));
-        let ctx = Ctx {
-            dag: &dag,
-            indexes: &indexes,
-            bound_names: &bound_names,
-            input_use_facts: &input_use_facts,
-            mode: EmitRustMode::Program,
-        };
-
-        let rendered = ctx
-            .render_transform(
-                first_transform,
-                &RenderLocals::default(),
-                RenderMode::OwnedConstruct,
-            )
-            .expect("field project renders");
-        assert_eq!(rendered, "((parent).nodes()).to_vec()");
-    }
-
-    #[test]
-    fn render_fold_iterates_named_list_input_by_borrow() {
-        let dag = compile_to_dag(
-            "let total: Int = fold(singleton(1), 0, |acc, x| acc + x)",
-            "test.v3",
-        )
-        .expect("compiles");
-        let fold_template = dag.std_list_fold_decl().expect("fold decl");
-        let fold_transform = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Transform(t) => match &t.target {
-                    TransformTarget::Callable(target) => {
-                        let (template, _) = callable_template(*target, &dag);
-                        (template == fold_template).then_some(t)
-                    }
-                    _ => None,
-                },
-                _ => None,
-            })
-            .expect("fold transform");
-
-        let indexes = RealizationIndexes::build(&dag).expect("indexes build");
-        let input_use_facts = InputUseFacts::build(&dag, &indexes);
-        let mut bound_names = HashMap::new();
-        bound_names.insert(
-            fold_transform.inputs[0],
-            LocalBinding::Owned("xs".to_string()),
-        );
-        let ctx = Ctx {
-            dag: &dag,
-            indexes: &indexes,
-            bound_names: &bound_names,
-            input_use_facts: &input_use_facts,
-            mode: EmitRustMode::Program,
-        };
-
-        let rendered = ctx
-            .render_transform(
-                fold_transform,
-                &RenderLocals::default(),
-                RenderMode::OwnedConstruct,
-            )
-            .expect("fold renders");
-        assert!(
-            rendered.contains("(xs).iter().fold("),
-            "expected named list inputs to be iterated by borrow, got: {rendered}"
-        );
-    }
-
-    #[test]
-    fn rendering_model_read_strategy_controls_function_parameter_shape() {
-        let mut dag = compile_to_dag(
-            "type Sign = Plus | Minus
-fn classify(s: Sign) -> Int = match s { Plus => 0, Minus => 1 }",
-            "test.v3",
-        )
-        .expect("compiles");
-        let rendering_decl = dag.rust_rendering_spec().expect("rust_rendering cached");
-        let pass_by_value = dag
-            .emit_model_variants()
-            .read_strategy
-            .pass_by_value
-            .expect("ReadStrategy.PassByValue exists");
-        let copy_or_clone = dag
-            .emit_model_variants()
-            .construct_strategy
-            .copy_or_clone
-            .expect("ConstructStrategy.CopyOrClone exists");
-        dag.declaration_mut(rendering_decl).value_body = Some(ValueBody::Structural {
-            fields: vec![
-                (
-                    "read".to_string(),
-                    FieldValue::Variant {
-                        constructor: pass_by_value,
-                        payload: Vec::new(),
-                    },
-                ),
-                (
-                    "construct".to_string(),
-                    FieldValue::Variant {
-                        constructor: copy_or_clone,
-                        payload: Vec::new(),
-                    },
-                ),
-            ],
-        });
-
-        let rendered = emit_rust_with_mode(&dag, EmitRustMode::Module).expect("emits");
-        assert!(
-            rendered.contains("fn classify(p0: Sign) -> i64 {"),
-            "expected PassByValue read strategy to render owned function params, got: {rendered}"
-        );
-    }
-
-    #[test]
-    fn module_function_visibility_comes_from_rust_function_syntax() {
-        let mut dag =
-            compile_to_dag("fn classify(s: Int) -> Int = s", "test.v3").expect("compiles");
-        let functions_decl = dag
-            .rust_functions_syntax_decl()
-            .expect("rust_functions declaration");
-        dag.declaration_mut(functions_decl).value_body = Some(ValueBody::Structural {
-            fields: vec![
-                (
-                    "definition".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "fn {name}({params}) -> {ret} { {body} }".to_string(),
-                    )),
-                ),
-                (
-                    "definition_exported".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "pub(crate) fn {name}({params}) -> {ret} { {body} }".to_string(),
-                    )),
-                ),
-                (
-                    "definition_void".to_string(),
-                    FieldValue::Literal(LiteralBits::String(
-                        "fn {name}({params}) { {body} }".to_string(),
-                    )),
-                ),
-                (
-                    "param_with_type".to_string(),
-                    FieldValue::Literal(LiteralBits::String("{name}: {type}".to_string())),
-                ),
-                (
-                    "param_separator".to_string(),
-                    FieldValue::Literal(LiteralBits::String(", ".to_string())),
-                ),
-            ],
-        });
-
-        let rendered = emit_rust_with_mode(&dag, EmitRustMode::Module).expect("emits");
-        assert!(
-            rendered.contains("pub(crate) fn classify("),
-            "expected module-mode function visibility to come from rust_functions.definition_exported, got: {rendered}"
-        );
-        assert!(
-            !rendered.contains("pub fn classify("),
-            "expected handwritten `pub ` prefix logic to be gone, got: {rendered}"
-        );
-    }
-
-    #[test]
-    fn clean_emission_rejects_rust_invalid_pattern_binding_variants() {
-        let assert_rejected =
-            |pick: fn(&crate::dag::PatternBindingRuleVariants) -> Option<DeclarationId>,
-             expected_detail: &'static str| {
-                let mut dag = compile_to_dag(
-                    "type Sign = Plus | Minus
-fn classify(s: Sign) -> Int = match s { Plus => 0, Minus => 1 }",
-                    "test.v3",
-                )
-                .expect("compiles");
-                let clean_decl = dag
-                    .rust_clean_emission_spec()
-                    .expect("rust_clean_emission cached");
-                let invalid_ctor = pick(dag.pattern_binding_rule_variants())
-                    .expect("PatternBindingRule variant cached");
-                dag.declaration_mut(clean_decl).value_body = Some(ValueBody::Structural {
-                    fields: vec![(
-                        "pattern_bindings".to_string(),
-                        FieldValue::Variant {
-                            constructor: invalid_ctor,
-                            payload: Vec::new(),
-                        },
-                    )],
-                });
-
-                let err = emit_rust_with_mode(&dag, EmitRustMode::Module)
-                    .expect_err("Rust-invalid pattern binding rule must fail closed");
-                assert!(matches!(
-                    err,
-                    EmitError::MalformedTargetSyntax {
-                        declaration,
-                        detail,
-                    } if declaration == clean_decl && detail == expected_detail
-                ));
-            };
-
-        assert_rejected(
-            |v| v.emit_prefixed,
-            "rust_clean_emission.pattern_bindings cannot use PatternBindingRule.EmitPrefixedUnderscoreWhenUnused; Rust only supports EmitBindingAlways or EmitUnderscoreWhenUnused",
-        );
-        assert_rejected(
-            |v| v.not_applicable,
-            "rust_clean_emission.pattern_bindings cannot use PatternBindingRule.NotApplicablePatternBinding; Rust only supports EmitBindingAlways or EmitUnderscoreWhenUnused",
-        );
-    }
-
-    #[test]
-    fn callable_disposition_derives_direct_return_as_consumed() {
-        let dag = compile_to_dag("fn id(x: Int) -> Int = x", "direct_return.v3").expect("compiles");
-        let indexes = RealizationIndexes::build(&dag).expect("indexes build");
-        let id_decl = dag.declaration_by_name("id").expect("id decl").id;
-        assert_eq!(
-            indexes.callable_dispositions.get(&id_decl),
-            Some(&vec![ParameterDispositionBinding::Consumed]),
-        );
-    }
-
-    #[test]
-    fn callable_disposition_keeps_match_scrutinee_borrowed() {
-        let dag = compile_to_dag(
-            "fn head_or_zero(list: List<Int>) -> Int = match list { Empty => 0, Cons(payload) => payload.head }",
-            "match_payload.v3",
-        )
-        .expect("compiles");
-        let indexes = RealizationIndexes::build(&dag).expect("indexes build");
-        let decl = dag
-            .declaration_by_name("head_or_zero")
-            .expect("head_or_zero decl")
-            .id;
-        assert_eq!(
-            indexes.callable_dispositions.get(&decl),
-            Some(&vec![ParameterDispositionBinding::Borrowed]),
-        );
-    }
-
-    #[test]
-    fn callable_disposition_keeps_nested_lambda_capture_borrowed() {
-        let dag = compile_to_dag(
-            "fn apply_to_three(f: fn(Int) -> Int) -> Int = f(3)
-fn use_callback(base: Int) -> Int = apply_to_three(|x| base + x)",
-            "nested_lambda.v3",
-        )
-        .expect("compiles");
-        let indexes = RealizationIndexes::build(&dag).expect("indexes build");
-        let decl = dag
-            .declaration_by_name("use_callback")
-            .expect("use_callback decl")
-            .id;
-        assert_eq!(
-            indexes.callable_dispositions.get(&decl),
-            Some(&vec![ParameterDispositionBinding::Borrowed]),
-        );
-    }
-
-    /// B1 — `require_parameter_dispositions` is fail-closed against
-    /// arity, slot duplication, and out-of-range slots, so a spec
-    /// CallableRealization can't silently drift from the callable's
-    /// declared Arrow input arity.
-    #[test]
-    fn parameter_dispositions_reject_arity_drift_and_slot_collisions() {
-        let dag = compile_to_dag("fn id(x: Int) -> Int = x", "arity_drift.v3").expect("compiles");
-        let bogus_decl = dag.declaration_by_name("id").expect("id decl").id;
-        let borrowed = dag
-            .emit_model_variants()
-            .parameter_disposition
-            .borrowed
-            .expect("Borrowed");
-        let consumed = dag
-            .emit_model_variants()
-            .parameter_disposition
-            .consumed
-            .expect("Consumed");
-        let entry = |slot: i64, ctor: DeclarationId| {
-            FieldValue::Record(vec![
-                (
-                    "slot".to_string(),
-                    FieldValue::Literal(LiteralBits::Int(slot.to_string())),
-                ),
-                (
-                    "disposition".to_string(),
-                    FieldValue::Variant {
-                        constructor: ctor,
-                        payload: vec![],
-                    },
-                ),
-            ])
-        };
-        let bind =
-            |entries: Vec<FieldValue>| vec![("parameters".to_string(), FieldValue::List(entries))];
-
-        // Arity too low: 1 entry expected, 0 supplied.
-        let fields = bind(vec![]);
-        assert!(matches!(
-            require_parameter_dispositions(&dag, &fields, bogus_decl, 1),
-            Err(EmitError::MalformedRealization { .. }),
-        ));
-
-        // Arity too high: 1 entry expected, 2 supplied.
-        let fields = bind(vec![entry(0, borrowed), entry(1, borrowed)]);
-        assert!(matches!(
-            require_parameter_dispositions(&dag, &fields, bogus_decl, 1),
-            Err(EmitError::MalformedRealization { .. }),
-        ));
-
-        // Slot duplication: both entries claim slot 0.
-        let fields = bind(vec![entry(0, borrowed), entry(0, consumed)]);
-        assert!(matches!(
-            require_parameter_dispositions(&dag, &fields, bogus_decl, 2),
-            Err(EmitError::MalformedRealization { .. }),
-        ));
-
-        // Out-of-range slot: arity is 1 but entry claims slot 5.
-        let fields = bind(vec![entry(5, borrowed)]);
-        assert!(matches!(
-            require_parameter_dispositions(&dag, &fields, bogus_decl, 1),
-            Err(EmitError::MalformedRealization { .. }),
-        ));
-
-        // Negative slot: rejected before the bound check.
-        let fields = bind(vec![entry(-1, borrowed)]);
-        assert!(matches!(
-            require_parameter_dispositions(&dag, &fields, bogus_decl, 1),
-            Err(EmitError::MalformedRealization { .. }),
-        ));
-
-        // Well-formed: each slot in [0, arity) exactly once. Returns a
-        // Vec of length `expected_arity`, indexed by slot.
-        let fields = bind(vec![entry(1, borrowed), entry(0, consumed)]);
-        let result = require_parameter_dispositions(&dag, &fields, bogus_decl, 2)
-            .expect("well-formed parameters parse");
-        assert_eq!(
-            result,
-            vec![
-                ParameterDispositionBinding::Consumed,
-                ParameterDispositionBinding::Borrowed,
-            ],
-        );
-    }
-
-    /// B11 (post-refactor) — shared realizations are owned via a
-    /// typed `language: DeclarationRef` pointing at the target's
-    /// language-spec declaration, NOT a TargetLanguage enum variant.
-    /// Each emitter compares the typed reference to its cached
-    /// language-spec id at index-build time. A realization whose
-    /// surface name is `rust_*` but whose `language` refers to
-    /// `go_language` is owned by Go.
-    #[test]
-    fn target_language_is_typed_reference_to_language_spec() {
-        let dag = compile_to_dag("fn id(x: Int) -> Int = x", "lang_ref.v3").expect("compiles");
-        let rust_language_id = dag
-            .rust_language_spec()
-            .expect("rust_language cached after bootstrap");
-        let go_language_id = dag
-            .go_language_spec()
-            .expect("go_language cached after bootstrap");
-        // Rust and Go have distinct language-spec declaration ids, so
-        // comparing a realization's `language` field to the cached id
-        // partitions entries cleanly. This is the structural signal
-        // that replaced the TargetLanguage enum roster.
-        assert_ne!(rust_language_id, go_language_id);
-    }
-
-    /// Boundary check for `PatternRealization.empty_variant` /
-    /// `cons_variant`. The substrate types these as `DeclarationRef`,
-    /// which is unconstrained — nothing in the grammar rejects
-    /// `empty_variant: Int` under `target: List`. `validate_pattern_roles`
-    /// enforces "must be a variant of `target`" at parse time. This test
-    /// pins the rejection so later refactors can't silently drop it.
-    #[test]
-    fn validate_pattern_roles_rejects_non_variant_empty_ref() {
-        let dag = Dag::new();
-        let bool_id = dag
-            .bool_shape()
-            .expect("Bool is a Disj in bootstrap std")
-            .declaration;
-        let int_id = dag.int_shape().expect("Int in bootstrap std").declaration;
-        // Pick a real Bool variant for `cons_variant` so only
-        // `empty_variant` is the illegal pointer.
-        let bool_variant_ty = match &dag.declaration(bool_id).connective {
-            TypeConnective::Disj { variants } => variants[0].ty,
-            other => panic!("Bool should be a Disj, got {other:?}"),
-        };
-        let binding = PatternRealizationBinding {
-            empty_variant: int_id,
-            cons_variant: bool_variant_ty,
-            scrutinee: "{expr}".into(),
-            empty_pattern: "[]".into(),
-            cons_pattern: "[{head}, {tail} @ ..]".into(),
-            head_expr: "{head}".into(),
-            tail_expr: "{tail}".into(),
-        };
-        let result = validate_pattern_roles(&dag, bool_id, &binding, bool_id);
-        match result {
-            Err(EmitError::MalformedRealization { detail, .. }) => {
-                assert!(
-                    detail.contains("empty_variant must be a variant"),
-                    "unexpected detail: {detail}"
-                );
-            }
-            other => {
-                panic!("expected MalformedRealization for non-variant empty_variant, got {other:?}")
-            }
-        }
-    }
-
-    /// Mirror of the above for `cons_variant`. Distinct test so a future
-    /// regression on only one of the two role checks is caught narrowly.
-    #[test]
-    fn validate_pattern_roles_rejects_non_variant_cons_ref() {
-        let dag = Dag::new();
-        let bool_id = dag
-            .bool_shape()
-            .expect("Bool is a Disj in bootstrap std")
-            .declaration;
-        let int_id = dag.int_shape().expect("Int in bootstrap std").declaration;
-        let bool_variant_ty = match &dag.declaration(bool_id).connective {
-            TypeConnective::Disj { variants } => variants[0].ty,
-            other => panic!("Bool should be a Disj, got {other:?}"),
-        };
-        let binding = PatternRealizationBinding {
-            empty_variant: bool_variant_ty,
-            cons_variant: int_id,
-            scrutinee: "{expr}".into(),
-            empty_pattern: "[]".into(),
-            cons_pattern: "[{head}, {tail} @ ..]".into(),
-            head_expr: "{head}".into(),
-            tail_expr: "{tail}".into(),
-        };
-        let result = validate_pattern_roles(&dag, bool_id, &binding, bool_id);
-        match result {
-            Err(EmitError::MalformedRealization { detail, .. }) => {
-                assert!(
-                    detail.contains("cons_variant must be a variant"),
-                    "unexpected detail: {detail}"
-                );
-            }
-            other => {
-                panic!("expected MalformedRealization for non-variant cons_variant, got {other:?}")
-            }
-        }
-    }
-
-    /// Distinct-variants check: even if both refs are valid variants of
-    /// `target`, they must not be the same one — the branch shape needs
-    /// two distinct arms. Pins the third clause of `validate_pattern_roles`.
-    #[test]
-    fn validate_pattern_roles_rejects_aliased_role_refs() {
-        let dag = Dag::new();
-        let bool_id = dag
-            .bool_shape()
-            .expect("Bool is a Disj in bootstrap std")
-            .declaration;
-        let bool_variant_ty = match &dag.declaration(bool_id).connective {
-            TypeConnective::Disj { variants } => variants[0].ty,
-            other => panic!("Bool should be a Disj, got {other:?}"),
-        };
-        let binding = PatternRealizationBinding {
-            empty_variant: bool_variant_ty,
-            cons_variant: bool_variant_ty,
-            scrutinee: "{expr}".into(),
-            empty_pattern: "[]".into(),
-            cons_pattern: "[{head}, {tail} @ ..]".into(),
-            head_expr: "{head}".into(),
-            tail_expr: "{tail}".into(),
-        };
-        let result = validate_pattern_roles(&dag, bool_id, &binding, bool_id);
-        match result {
-            Err(EmitError::MalformedRealization { detail, .. }) => {
-                assert!(
-                    detail.contains("must be distinct"),
-                    "unexpected detail: {detail}"
-                );
-            }
-            other => panic!("expected MalformedRealization for aliased role refs, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn named_disj_enum_name_for_rust_match_emit_follows_specialization_parent_to_named_template() {
-        use crate::dag::Declaration;
-
-        let mut dag = Dag::new();
-        let template_id = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                matches!(&d.connective, TypeConnective::Disj { .. })
-                    && d.name.as_deref() == Some("Classical")
-            })
-            .expect("bootstrap `Classical` sum")
-            .id;
-
-        let anon_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: anon_id,
-            name: None,
-            connective: TypeConnective::Disj {
-                variants: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: Some(template_id),
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<test>", 0, 0),
-        });
-
-        assert_eq!(
-            named_disj_enum_name_for_rust_match_emit(&dag, anon_id).as_deref(),
-            Some("Classical")
-        );
-        assert_eq!(
-            named_disj_enum_name_for_rust_match_emit(&dag, template_id).as_deref(),
-            Some("Classical")
-        );
-    }
-
-    #[test]
-    fn rust_type_name_parallel_spawn_send_safe_accepts_plain_types() {
-        assert!(rust_type_name_parallel_spawn_send_safe("i64"));
-        assert!(rust_type_name_parallel_spawn_send_safe("bool"));
-        assert!(rust_type_name_parallel_spawn_send_safe("Vec<i64>"));
-    }
-
-    #[test]
-    fn rust_type_name_parallel_spawn_send_safe_rejects_first_class_callable_surfaces() {
-        assert!(!rust_type_name_parallel_spawn_send_safe(
-            "std::rc::Rc<dyn Fn(i64) -> i64>"
-        ));
-        assert!(!rust_type_name_parallel_spawn_send_safe(
-            "impl Fn(i64) -> i64 + Clone"
-        ));
-    }
-
-    #[test]
-    fn rust_type_name_parallel_spawn_send_safe_rejects_interior_mutability_spellings() {
-        assert!(!rust_type_name_parallel_spawn_send_safe(
-            "::std::cell::RefCell<i64>"
-        ));
-    }
-}
diff --git a/src/v3/compiler/src/emit_host_bridge.rs b/src/v3/compiler/src/emit_host_bridge.rs
deleted file mode 100644
index 5809e31e56d..00000000000
--- a/src/v3/compiler/src/emit_host_bridge.rs
+++ /dev/null
@@ -1,675 +0,0 @@
-//! Host transport rows for `v4.compiler.emit_host` (`run_emit_host_rust` / `run_emit_host_python` / `run_emit_host_go`).
-//!
-//! **Modeled authority:** `src/v4/compiler/emit_host.dag` — executable host-process boundary is
-//! `tools/emit_host_runner`; substrate `.dag` assembles `EmitHostRunReceipt` from typed host facts.
-//! This module is the W3 bridge exercised by integration tests until T-22 substrate eval dispatches
-//! host transport directly (dissolves `emit_host_transport_not_wired`).
-
-use emit_host_runner::{
-    host_logical_run_from_exit, run_emit_host_go, run_emit_host_python, run_emit_host_rust,
-    EmitHostFixtureInputs, EmitHostRunReceipt, HostExit, HostSetupFailure,
-    RuntimeValueParseFailure,
-};
-
-/// MVP-2 / `eval_runtime_mvp` alignment: five stdout bytes denote runtime value `5`.
-pub const MVP2_RUNTIME_VALUE_FIVE_BYTES: [u8; 5] = [0, 0, 0, 0, 0];
-
-/// Rung-4 emit-vs-eval verdict at the Rust transport row (mirrors `run_test_claim_emit_vs_eval`).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum EmitHostEmitVsEvalVerdict {
-    Pass,
-    FailValueMismatch {
-        host_receipt: EmitHostRunReceipt,
-        host_stdout: Vec<u8>,
-        expected_bytes: [u8; 5],
-    },
-    FailParse {
-        host_receipt: EmitHostRunReceipt,
-        parse: RuntimeValueParseFailure,
-    },
-    FailHostExit {
-        host_receipt: EmitHostRunReceipt,
-    },
-}
-
-/// Release-minimum L2 parity verdict for Rust/Python/Go over one runtime-value fixture.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum EmitHostCrossTargetParityVerdict {
-    Pass,
-    FailSetup {
-        target: &'static str,
-        setup: HostSetupFailure,
-    },
-    FailHostExit {
-        target: &'static str,
-        host_receipt: EmitHostRunReceipt,
-    },
-    FailParse {
-        target: &'static str,
-        host_receipt: EmitHostRunReceipt,
-        parse: RuntimeValueParseFailure,
-    },
-    FailBehaviorMismatch {
-        rust_stdout: Vec<u8>,
-        python_stdout: Vec<u8>,
-        go_stdout: Vec<u8>,
-    },
-}
-
-/// Emit-vs-eval / harness boundary: both fixture pins must be present (fail-closed).
-fn validate_emit_vs_eval_fixture_inputs(
-    inputs: &EmitHostFixtureInputs,
-) -> Result<(), emit_host_runner::HostSetupFailure> {
-    emit_host_runner::validate_emit_host_fixture_inputs(inputs)
-}
-
-/// Host-process transport: compile + run emitted Rust, returning the runner receipt.
-pub fn run_emit_host_rust_transport(
-    source: &str,
-    inputs: &EmitHostFixtureInputs,
-    work_dir: &std::path::Path,
-) -> Result<EmitHostRunReceipt, emit_host_runner::HostSetupFailure> {
-    validate_emit_vs_eval_fixture_inputs(inputs)?;
-    run_emit_host_rust(source, &inputs.transport(), work_dir)
-}
-
-/// Host-process transport: run emitted Python via `python3`, returning the runner receipt.
-pub fn run_emit_host_python_transport(
-    source: &str,
-    inputs: &EmitHostFixtureInputs,
-    work_dir: &std::path::Path,
-) -> Result<EmitHostRunReceipt, emit_host_runner::HostSetupFailure> {
-    validate_emit_vs_eval_fixture_inputs(inputs)?;
-    run_emit_host_python(source, &inputs.transport(), work_dir)
-}
-
-/// Host-process transport: run emitted Go via `go run`, returning the runner receipt.
-pub fn run_emit_host_go_transport(
-    source: &str,
-    inputs: &EmitHostFixtureInputs,
-    work_dir: &std::path::Path,
-) -> Result<EmitHostRunReceipt, emit_host_runner::HostSetupFailure> {
-    validate_emit_vs_eval_fixture_inputs(inputs)?;
-    run_emit_host_go(source, &inputs.transport(), work_dir)
-}
-
-/// True when the host exit witness is `Holds` (logical child succeeded).
-pub fn host_exit_holds(exit: &HostExit) -> bool {
-    exit.exit_holds()
-}
-
-/// Project logical stdout bytes when exit `Holds`; fail-closed otherwise.
-pub fn host_stdout_bytes(exit: &HostExit, stdout_bytes: Vec<u8>) -> Option<Vec<u8>> {
-    host_logical_run_from_exit(exit, stdout_bytes).map(|run| run.stdout_bytes)
-}
-
-fn emit_vs_eval_mvp2_verdict_from_receipt(
-    receipt: EmitHostRunReceipt,
-    expected_bytes: [u8; 5],
-    parse_stdout: fn(&[u8]) -> Result<(), RuntimeValueParseFailure>,
-) -> EmitHostEmitVsEvalVerdict {
-    if !host_exit_holds(&receipt.exit) {
-        return EmitHostEmitVsEvalVerdict::FailHostExit {
-            host_receipt: receipt,
-        };
-    }
-    let stdout = match host_stdout_bytes(&receipt.exit, receipt.stdout_bytes.clone()) {
-        Some(bytes) => bytes,
-        None => {
-            return EmitHostEmitVsEvalVerdict::FailHostExit {
-                host_receipt: receipt,
-            };
-        }
-    };
-    if let Err(parse) = parse_stdout(&stdout) {
-        return EmitHostEmitVsEvalVerdict::FailParse {
-            host_receipt: receipt,
-            parse,
-        };
-    }
-    if stdout == expected_bytes {
-        EmitHostEmitVsEvalVerdict::Pass
-    } else {
-        EmitHostEmitVsEvalVerdict::FailValueMismatch {
-            host_receipt: receipt,
-            host_stdout: stdout,
-            expected_bytes,
-        }
-    }
-}
-
-/// W3 rung-4 / W3.4 tranche-1 rung-6 rows: real `run_emit_host_rust` transport + MVP-2 five-byte check.
-///
-/// Matches `run_test_claim_emit_vs_eval_for_claim` / `run_test_claim_emit_vs_eval_verdict` in
-/// `emit_host.dag` for the rust authority pin (host stdout parsed then compared to eval literal `5`).
-pub fn run_emit_vs_eval_mvp2_transport(
-    emitted_source: &str,
-    inputs: &EmitHostFixtureInputs,
-    work_dir: &std::path::Path,
-    expected_bytes: [u8; 5],
-) -> Result<EmitHostEmitVsEvalVerdict, emit_host_runner::HostSetupFailure> {
-    let receipt = run_emit_host_rust_transport(emitted_source, inputs, work_dir)?;
-    Ok(emit_vs_eval_mvp2_verdict_from_receipt(
-        receipt,
-        expected_bytes,
-        emit_host_runner::runtime_value_parse_rust,
-    ))
-}
-
-/// W3.4 tranche-1: real `run_emit_host_python` transport + MVP-2 five-byte stdout (same contract
-/// as rung-4 rust row). Executable bridge until per-law emit + T-22 substrate dispatch land.
-pub fn run_emit_vs_eval_mvp2_python_transport(
-    emitted_source: &str,
-    inputs: &EmitHostFixtureInputs,
-    work_dir: &std::path::Path,
-    expected_bytes: [u8; 5],
-) -> Result<EmitHostEmitVsEvalVerdict, emit_host_runner::HostSetupFailure> {
-    let receipt = run_emit_host_python_transport(emitted_source, inputs, work_dir)?;
-    Ok(emit_vs_eval_mvp2_verdict_from_receipt(
-        receipt,
-        expected_bytes,
-        emit_host_runner::runtime_value_parse_python,
-    ))
-}
-
-/// W3.3: real `run_emit_host_go` transport + MVP-2 five-byte stdout (cross-target parity row).
-pub fn run_emit_vs_eval_mvp2_go_transport(
-    emitted_source: &str,
-    inputs: &EmitHostFixtureInputs,
-    work_dir: &std::path::Path,
-    expected_bytes: [u8; 5],
-) -> Result<EmitHostEmitVsEvalVerdict, emit_host_runner::HostSetupFailure> {
-    let receipt = run_emit_host_go_transport(emitted_source, inputs, work_dir)?;
-    Ok(emit_vs_eval_mvp2_verdict_from_receipt(
-        receipt,
-        expected_bytes,
-        emit_host_runner::runtime_value_parse_go,
-    ))
-}
-
-fn cross_target_stdout_bytes(
-    target: &'static str,
-    receipt: EmitHostRunReceipt,
-    parse_stdout: fn(&[u8]) -> Result<(), RuntimeValueParseFailure>,
-) -> Result<Vec<u8>, EmitHostCrossTargetParityVerdict> {
-    if !host_exit_holds(&receipt.exit) {
-        return Err(EmitHostCrossTargetParityVerdict::FailHostExit {
-            target,
-            host_receipt: receipt,
-        });
-    }
-    let stdout = match host_stdout_bytes(&receipt.exit, receipt.stdout_bytes.clone()) {
-        Some(bytes) => bytes,
-        None => {
-            return Err(EmitHostCrossTargetParityVerdict::FailHostExit {
-                target,
-                host_receipt: receipt,
-            });
-        }
-    };
-    if let Err(parse) = parse_stdout(&stdout) {
-        return Err(EmitHostCrossTargetParityVerdict::FailParse {
-            target,
-            host_receipt: receipt,
-            parse,
-        });
-    }
-    Ok(stdout)
-}
-
-fn cross_target_parity_verdict_from_stdout(
-    rust_stdout: Vec<u8>,
-    python_stdout: Vec<u8>,
-    go_stdout: Vec<u8>,
-) -> EmitHostCrossTargetParityVerdict {
-    if rust_stdout == python_stdout && rust_stdout == go_stdout {
-        EmitHostCrossTargetParityVerdict::Pass
-    } else {
-        EmitHostCrossTargetParityVerdict::FailBehaviorMismatch {
-            rust_stdout,
-            python_stdout,
-            go_stdout,
-        }
-    }
-}
-
-type EmitHostRunner = fn(
-    &str,
-    &EmitHostFixtureInputs,
-    &std::path::Path,
-) -> Result<EmitHostRunReceipt, HostSetupFailure>;
-
-struct CrossTargetMvp2Runners {
-    rust: EmitHostRunner,
-    python: EmitHostRunner,
-    go: EmitHostRunner,
-}
-
-fn run_cross_target_mvp2_python_parity_with_runners(
-    rust_source: &str,
-    python_source: &str,
-    go_source: &str,
-    inputs: &EmitHostFixtureInputs,
-    rust_work_dir: &std::path::Path,
-    python_work_dir: &std::path::Path,
-    go_work_dir: &std::path::Path,
-    runners: CrossTargetMvp2Runners,
-) -> EmitHostCrossTargetParityVerdict {
-    let rust_receipt = match (runners.rust)(rust_source, inputs, rust_work_dir) {
-        Ok(receipt) => receipt,
-        Err(setup) => {
-            return EmitHostCrossTargetParityVerdict::FailSetup {
-                target: "rust",
-                setup,
-            };
-        }
-    };
-    let python_receipt = match (runners.python)(python_source, inputs, python_work_dir) {
-        Ok(receipt) => receipt,
-        Err(setup) => {
-            return EmitHostCrossTargetParityVerdict::FailSetup {
-                target: "python",
-                setup,
-            };
-        }
-    };
-    let go_receipt = match (runners.go)(go_source, inputs, go_work_dir) {
-        Ok(receipt) => receipt,
-        Err(setup) => {
-            return EmitHostCrossTargetParityVerdict::FailSetup {
-                target: "go",
-                setup,
-            };
-        }
-    };
-
-    let rust_stdout = match cross_target_stdout_bytes(
-        "rust",
-        rust_receipt,
-        emit_host_runner::runtime_value_parse_rust,
-    ) {
-        Ok(stdout) => stdout,
-        Err(verdict) => return verdict,
-    };
-    let python_stdout = match cross_target_stdout_bytes(
-        "python",
-        python_receipt,
-        emit_host_runner::runtime_value_parse_python,
-    ) {
-        Ok(stdout) => stdout,
-        Err(verdict) => return verdict,
-    };
-    let go_stdout =
-        match cross_target_stdout_bytes("go", go_receipt, emit_host_runner::runtime_value_parse_go)
-        {
-            Ok(stdout) => stdout,
-            Err(verdict) => return verdict,
-        };
-
-    cross_target_parity_verdict_from_stdout(rust_stdout, python_stdout, go_stdout)
-}
-
-/// L2 cross-target behavioral parity: Rust, Python, and Go must all execute, parse into the
-/// same MVP-2 runtime-value carrier, and agree on observed stdout for the same fixture subject.
-pub fn run_cross_target_mvp2_python_parity_transport(
-    rust_source: &str,
-    python_source: &str,
-    go_source: &str,
-    inputs: &EmitHostFixtureInputs,
-    rust_work_dir: &std::path::Path,
-    python_work_dir: &std::path::Path,
-    go_work_dir: &std::path::Path,
-) -> EmitHostCrossTargetParityVerdict {
-    if let Err(setup) = validate_emit_vs_eval_fixture_inputs(inputs) {
-        return EmitHostCrossTargetParityVerdict::FailSetup {
-            target: "rust",
-            setup,
-        };
-    }
-    run_cross_target_mvp2_python_parity_with_runners(
-        rust_source,
-        python_source,
-        go_source,
-        inputs,
-        rust_work_dir,
-        python_work_dir,
-        go_work_dir,
-        CrossTargetMvp2Runners {
-            rust: run_emit_host_rust_transport,
-            python: run_emit_host_python_transport,
-            go: run_emit_host_go_transport,
-        },
-    )
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use emit_host_runner::{
-        default_work_dir, BuildLog, HostLogicalFailure, HostPhase, HostSetupFailure, HostStream,
-    };
-
-    const FIXTURE_SOURCE_PASS: &str =
-        "fn main() { let _ = std::io::Write::write_all(&mut std::io::stdout(), &[0u8; 5]); }";
-    const FIXTURE_SOURCE_MISMATCH: &str =
-        "fn main() { let _ = std::io::Write::write_all(&mut std::io::stdout(), &[1,2,3,4,5]); }";
-    const FIXTURE_SOURCE_PARSE_FAIL: &str =
-        "fn main() { let _ = std::io::Write::write_all(&mut std::io::stdout(), &[0u8; 3]); }";
-
-    fn mvp2_inputs() -> EmitHostFixtureInputs {
-        EmitHostFixtureInputs {
-            claim_input_root: "bridge_claim_input".into(),
-            expected_eval_root: "bridge_expected_eval".into(),
-        }
-    }
-
-    fn receipt_with_stdout(stdout_bytes: &[u8]) -> EmitHostRunReceipt {
-        EmitHostRunReceipt {
-            source_text: "fixture".to_string(),
-            exit: HostExit::holds(0),
-            stdout_bytes: stdout_bytes.to_vec(),
-            stderr_bytes: Vec::new(),
-            build_log: BuildLog { lines: Vec::new() },
-        }
-    }
-
-    fn receipt_with_exit_failure() -> EmitHostRunReceipt {
-        EmitHostRunReceipt {
-            source_text: "fixture".to_string(),
-            exit: HostExit::logical_violation(HostLogicalFailure::ExitedNonzero {
-                phase: HostPhase::FixtureRun,
-                code: Some(1),
-            }),
-            stdout_bytes: Vec::new(),
-            stderr_bytes: b"runtime failure".to_vec(),
-            build_log: BuildLog { lines: Vec::new() },
-        }
-    }
-
-    fn fake_transport_pass(
-        _source: &str,
-        _inputs: &EmitHostFixtureInputs,
-        _work_dir: &std::path::Path,
-    ) -> Result<EmitHostRunReceipt, HostSetupFailure> {
-        Ok(receipt_with_stdout(&MVP2_RUNTIME_VALUE_FIVE_BYTES))
-    }
-
-    fn fake_transport_python_mismatch(
-        _source: &str,
-        _inputs: &EmitHostFixtureInputs,
-        _work_dir: &std::path::Path,
-    ) -> Result<EmitHostRunReceipt, HostSetupFailure> {
-        Ok(receipt_with_stdout(&[1, 2, 3, 4, 5]))
-    }
-
-    fn fake_transport_python_parse_fail(
-        _source: &str,
-        _inputs: &EmitHostFixtureInputs,
-        _work_dir: &std::path::Path,
-    ) -> Result<EmitHostRunReceipt, HostSetupFailure> {
-        Ok(receipt_with_stdout(&[0, 0, 0]))
-    }
-
-    fn fake_transport_python_exit_fail(
-        _source: &str,
-        _inputs: &EmitHostFixtureInputs,
-        _work_dir: &std::path::Path,
-    ) -> Result<EmitHostRunReceipt, HostSetupFailure> {
-        Ok(receipt_with_exit_failure())
-    }
-
-    fn fake_transport_python_setup_fail(
-        _source: &str,
-        _inputs: &EmitHostFixtureInputs,
-        _work_dir: &std::path::Path,
-    ) -> Result<EmitHostRunReceipt, HostSetupFailure> {
-        Err(HostSetupFailure::StreamReadFailed {
-            phase: HostPhase::FixtureRun,
-            stream: HostStream::Stdout,
-            source: "setup failed".to_string(),
-        })
-    }
-
-    fn run_fake_cross_target(runners: CrossTargetMvp2Runners) -> EmitHostCrossTargetParityVerdict {
-        run_cross_target_mvp2_python_parity_with_runners(
-            "rust",
-            "python",
-            "go",
-            &mvp2_inputs(),
-            std::path::Path::new("rust"),
-            std::path::Path::new("python"),
-            std::path::Path::new("go"),
-            runners,
-        )
-    }
-
-    #[test]
-    fn bridge_runs_fixture_and_holds_exit() {
-        let work_dir = default_work_dir(&format!("gunbc_emit_host_bridge_{}", std::process::id()));
-        let receipt = run_emit_host_rust_transport(FIXTURE_SOURCE_PASS, &mvp2_inputs(), &work_dir)
-            .expect("transport");
-        assert!(host_exit_holds(&receipt.exit));
-        let stdout =
-            host_stdout_bytes(&receipt.exit, receipt.stdout_bytes.clone()).expect("logical stdout");
-        assert_eq!(stdout.len(), 5);
-        emit_host_runner::runtime_value_parse_rust(&stdout).expect("parse");
-    }
-
-    #[test]
-    fn emit_vs_eval_mvp2_transport_passes_for_five_zero_bytes() {
-        let work_dir = default_work_dir(&format!("gunbc_emit_vs_eval_pass_{}", std::process::id()));
-        let verdict = run_emit_vs_eval_mvp2_transport(
-            FIXTURE_SOURCE_PASS,
-            &mvp2_inputs(),
-            &work_dir,
-            MVP2_RUNTIME_VALUE_FIVE_BYTES,
-        )
-        .expect("transport setup");
-        assert_eq!(verdict, EmitHostEmitVsEvalVerdict::Pass);
-    }
-
-    #[test]
-    fn emit_vs_eval_mvp2_transport_fails_with_host_receipt_on_value_mismatch() {
-        let work_dir = default_work_dir(&format!("gunbc_emit_vs_eval_fail_{}", std::process::id()));
-        let verdict = run_emit_vs_eval_mvp2_transport(
-            FIXTURE_SOURCE_MISMATCH,
-            &mvp2_inputs(),
-            &work_dir,
-            MVP2_RUNTIME_VALUE_FIVE_BYTES,
-        )
-        .expect("transport setup");
-        match verdict {
-            EmitHostEmitVsEvalVerdict::FailValueMismatch {
-                host_receipt,
-                host_stdout,
-                expected_bytes,
-            } => {
-                assert!(host_exit_holds(&host_receipt.exit));
-                assert_eq!(host_stdout, [1, 2, 3, 4, 5]);
-                assert_eq!(expected_bytes, MVP2_RUNTIME_VALUE_FIVE_BYTES);
-            }
-            other => panic!("expected FailValueMismatch with Host evidence, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn emit_vs_eval_mvp2_transport_fails_on_unparsable_stdout() {
-        let work_dir =
-            default_work_dir(&format!("gunbc_emit_vs_eval_parse_{}", std::process::id()));
-        let verdict = run_emit_vs_eval_mvp2_transport(
-            FIXTURE_SOURCE_PARSE_FAIL,
-            &mvp2_inputs(),
-            &work_dir,
-            MVP2_RUNTIME_VALUE_FIVE_BYTES,
-        )
-        .expect("transport setup");
-        assert!(matches!(
-            verdict,
-            EmitHostEmitVsEvalVerdict::FailParse { .. }
-        ));
-    }
-
-    const PYTHON_FIXTURE_SOURCE_PASS: &str = "import sys\nsys.stdout.buffer.write(b'\\x00' * 5)\n";
-
-    #[test]
-    fn bridge_python_transport_builds_runs_and_parses_stdout() {
-        let work_dir =
-            default_work_dir(&format!("gunbc_emit_host_py_bridge_{}", std::process::id()));
-        let receipt =
-            run_emit_host_python_transport(PYTHON_FIXTURE_SOURCE_PASS, &mvp2_inputs(), &work_dir)
-                .expect("transport");
-        assert!(host_exit_holds(&receipt.exit));
-        let stdout =
-            host_stdout_bytes(&receipt.exit, receipt.stdout_bytes.clone()).expect("logical stdout");
-        emit_host_runner::runtime_value_parse_python(&stdout).expect("parse");
-    }
-
-    #[test]
-    fn emit_vs_eval_mvp2_python_transport_passes_for_five_zero_bytes() {
-        let work_dir = default_work_dir(&format!(
-            "gunbc_emit_vs_eval_py_pass_{}",
-            std::process::id()
-        ));
-        let verdict = run_emit_vs_eval_mvp2_python_transport(
-            PYTHON_FIXTURE_SOURCE_PASS,
-            &mvp2_inputs(),
-            &work_dir,
-            MVP2_RUNTIME_VALUE_FIVE_BYTES,
-        )
-        .expect("transport setup");
-        assert_eq!(verdict, EmitHostEmitVsEvalVerdict::Pass);
-    }
-
-    const GO_FIXTURE_SOURCE_PASS: &str =
-        "package main\nimport \"os\"\nfunc main() { _, _ = os.Stdout.Write(make([]byte, 5)) }\n";
-
-    #[test]
-    fn bridge_go_transport_builds_runs_and_parses_stdout() {
-        let work_dir =
-            default_work_dir(&format!("gunbc_emit_host_go_bridge_{}", std::process::id()));
-        let receipt = run_emit_host_go_transport(GO_FIXTURE_SOURCE_PASS, &mvp2_inputs(), &work_dir)
-            .expect("transport");
-        assert!(host_exit_holds(&receipt.exit));
-        let stdout =
-            host_stdout_bytes(&receipt.exit, receipt.stdout_bytes.clone()).expect("logical stdout");
-        emit_host_runner::runtime_value_parse_go(&stdout).expect("parse");
-    }
-
-    #[test]
-    fn emit_vs_eval_mvp2_go_transport_passes_for_five_zero_bytes() {
-        let work_dir = default_work_dir(&format!(
-            "gunbc_emit_vs_eval_go_pass_{}",
-            std::process::id()
-        ));
-        let verdict = run_emit_vs_eval_mvp2_go_transport(
-            GO_FIXTURE_SOURCE_PASS,
-            &mvp2_inputs(),
-            &work_dir,
-            MVP2_RUNTIME_VALUE_FIVE_BYTES,
-        )
-        .expect("transport setup");
-        assert_eq!(verdict, EmitHostEmitVsEvalVerdict::Pass);
-    }
-
-    #[test]
-    fn cross_target_mvp2_python_parity_classifies_matching_three_target_stdout() {
-        let verdict = cross_target_parity_verdict_from_stdout(
-            MVP2_RUNTIME_VALUE_FIVE_BYTES.to_vec(),
-            MVP2_RUNTIME_VALUE_FIVE_BYTES.to_vec(),
-            MVP2_RUNTIME_VALUE_FIVE_BYTES.to_vec(),
-        );
-        assert_eq!(verdict, EmitHostCrossTargetParityVerdict::Pass);
-    }
-
-    #[test]
-    fn cross_target_mvp2_python_parity_classifies_python_behavior_mismatch() {
-        let verdict = cross_target_parity_verdict_from_stdout(
-            MVP2_RUNTIME_VALUE_FIVE_BYTES.to_vec(),
-            vec![1, 2, 3, 4, 5],
-            MVP2_RUNTIME_VALUE_FIVE_BYTES.to_vec(),
-        );
-        match verdict {
-            EmitHostCrossTargetParityVerdict::FailBehaviorMismatch {
-                rust_stdout,
-                python_stdout,
-                go_stdout,
-            } => {
-                assert_eq!(rust_stdout, MVP2_RUNTIME_VALUE_FIVE_BYTES);
-                assert_eq!(python_stdout, [1, 2, 3, 4, 5]);
-                assert_eq!(go_stdout, MVP2_RUNTIME_VALUE_FIVE_BYTES);
-            }
-            other => panic!("expected Python behavior mismatch, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn cross_target_mvp2_python_parity_transport_passes_when_three_targets_match() {
-        let verdict = run_fake_cross_target(CrossTargetMvp2Runners {
-            rust: fake_transport_pass,
-            python: fake_transport_pass,
-            go: fake_transport_pass,
-        });
-        assert_eq!(verdict, EmitHostCrossTargetParityVerdict::Pass);
-    }
-
-    #[test]
-    fn cross_target_mvp2_python_parity_transport_reports_python_setup_failure() {
-        let verdict = run_fake_cross_target(CrossTargetMvp2Runners {
-            rust: fake_transport_pass,
-            python: fake_transport_python_setup_fail,
-            go: fake_transport_pass,
-        });
-        assert!(matches!(
-            verdict,
-            EmitHostCrossTargetParityVerdict::FailSetup {
-                target: "python",
-                ..
-            }
-        ));
-    }
-
-    #[test]
-    fn cross_target_mvp2_python_parity_transport_reports_python_host_exit_failure() {
-        let verdict = run_fake_cross_target(CrossTargetMvp2Runners {
-            rust: fake_transport_pass,
-            python: fake_transport_python_exit_fail,
-            go: fake_transport_pass,
-        });
-        assert!(matches!(
-            verdict,
-            EmitHostCrossTargetParityVerdict::FailHostExit {
-                target: "python",
-                ..
-            }
-        ));
-    }
-
-    #[test]
-    fn cross_target_mvp2_python_parity_transport_reports_python_parse_failure() {
-        let verdict = run_fake_cross_target(CrossTargetMvp2Runners {
-            rust: fake_transport_pass,
-            python: fake_transport_python_parse_fail,
-            go: fake_transport_pass,
-        });
-        assert!(matches!(
-            verdict,
-            EmitHostCrossTargetParityVerdict::FailParse {
-                target: "python",
-                ..
-            }
-        ));
-    }
-
-    #[test]
-    fn cross_target_mvp2_python_parity_transport_reports_python_behavior_mismatch() {
-        let verdict = run_fake_cross_target(CrossTargetMvp2Runners {
-            rust: fake_transport_pass,
-            python: fake_transport_python_mismatch,
-            go: fake_transport_pass,
-        });
-        assert!(matches!(
-            verdict,
-            EmitHostCrossTargetParityVerdict::FailBehaviorMismatch { .. }
-        ));
-    }
-}
diff --git a/src/v3/compiler/src/emit_host_eval.rs b/src/v3/compiler/src/emit_host_eval.rs
deleted file mode 100644
index f7d256f95e7..00000000000
--- a/src/v3/compiler/src/emit_host_eval.rs
+++ /dev/null
@@ -1,2383 +0,0 @@
-//! T-22 substrate eval dispatch for `v4.compiler.emit_host` → `emit_host_runner`.
-//!
-//! **Rust row (`run_emit_host_rust`):** runs the runner, then assembles receipts via
-//! `emit_host_receipt_from_source` / [`evaluator::eval_callable_declaration`] (substrate eval).
-//!
-//! **Python row (`run_emit_host_python`):** runs the runner and hand-reifies `v4.std.host_run`
-//! carriers on this hook (substrate fn body stays `transport_not_wired`).
-//!
-//! **Go row (`run_emit_host_go`):** same substrate eval pattern as rust (`emit_host_receipt_from_source`).
-//!
-//! **P5:** SG-0 census in `sg0_census_test.rs` (T-PB-B); dissolution when substrate owns all rows.
-
-use std::path::Path;
-
-use crate::dag::{ArrowBody, AtomPayload, Dag, DeclarationId, LiteralBits, TypeConnective};
-use crate::evaluator::{EvalError, EvalStateStack, EvalStrategy, NamedField, Value};
-use emit_host_runner::{
-    EmitHostRunReceipt, EmitHostTransportInputs, ExitWitness, HostExit, HostExitOutcome,
-    HostLogicalFailure, HostSetupFailure,
-};
-
-#[cfg(test)]
-use emit_host_runner::EmitHostFixtureInputs;
-
-type HostTransportRun =
-    fn(&str, &EmitHostTransportInputs, &Path) -> Result<EmitHostRunReceipt, HostSetupFailure>;
-
-/// Modeled carrier authority for `v4.std.diagnostic` (`emit_host.dag` import graph).
-const V4_STD_DIAGNOSTIC_AUTHORITY: &str = "src/v4/std/diagnostic.dag";
-/// Modeled carrier authority for `v4.std.witness` (`host_run.dag` / `emit_host.dag` imports).
-const V4_STD_WITNESS_AUTHORITY: &str = "src/v4/std/witness.dag";
-/// `List<T> = FreeMonoid<T>` alias authority (`host_run.dag` import graph).
-const V4_STD_COLLECTION_AUTHORITY: &str = "src/v4/std/collection.dag";
-/// `FreeMonoid` `Empty`/`Cons` arm authority for list reification.
-const V4_STD_ALGEBRA_AUTHORITY: &str = "src/v4/std/algebra.dag";
-/// `Byte` / `List<Bit>` authority (`host_run` `ByteString = List<Byte>`).
-const V4_STD_MACHINE_AUTHORITY: &str = "src/v4/std/machine.dag";
-/// `String` authority (`host_run` `BuildLog.lines: List<String>`).
-const V4_STD_TEXT_AUTHORITY: &str = "src/v4/std/text.dag";
-
-/// Canonical substrate authority path for `run_emit_host_*` rows (see `src/v4/compiler/emit_host.dag`).
-const EMIT_HOST_DAG_AUTHORITY_PATH: &str = "src/v4/compiler/emit_host.dag";
-
-/// Eval-time dispatch for `run_emit_host_rust` (substrate `emit_host.dag` only).
-pub fn try_dispatch_emit_host_rust(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    operands: &[Value],
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Option<Result<Value, EvalError>> {
-    if !is_run_emit_host_rust_decl(dag, callee_decl) {
-        return None;
-    }
-    if operands.len() != 3 {
-        return Some(Err(EvalError::TransformArityMismatch {
-            expected: 3,
-            got: operands.len(),
-        }));
-    }
-
-    let source = match expect_string_operand(&operands[1]) {
-        Ok(source) => source,
-        Err(err) => return Some(Err(err)),
-    };
-    let inputs = match emit_host_transport_inputs(dag, &operands[2], state, strategy) {
-        Ok(inputs) => inputs,
-        Err(err) => return Some(Err(err)),
-    };
-    let work_dir = emit_host_runner::unique_work_dir("gunbc_eval_emit_host_rust");
-    let receipt = match emit_host_runner::run_emit_host_rust(source, &inputs, &work_dir) {
-        Ok(receipt) => receipt,
-        Err(setup) => return Some(run_emit_host_setup_rejected(dag, &setup)),
-    };
-    let callee = match find_fn_decl(dag, "emit_host_receipt_from_source") {
-        Ok(id) => id,
-        Err(err) => return Some(Err(err)),
-    };
-    let exit = match host_exit_value(dag, &receipt.exit) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let stdout = match byte_string_value(dag, &receipt.stdout_bytes) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let stderr = match byte_string_value(dag, &receipt.stderr_bytes) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let build_log = match build_log_value(dag, &receipt.build_log.lines) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    Some(
-        crate::evaluator::eval_callable_declaration(
-            dag,
-            callee,
-            vec![
-                operands[0].clone(),
-                Value::LiteralValue(LiteralBits::String(receipt.source_text)),
-                exit,
-                stdout,
-                stderr,
-                build_log,
-            ],
-            state,
-            strategy,
-        )
-        .and_then(|value| accepted_variant(dag, value)),
-    )
-}
-
-/// Eval-time dispatch for `run_emit_host_go` (substrate `emit_host.dag` only).
-pub fn try_dispatch_emit_host_go(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    operands: &[Value],
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Option<Result<Value, EvalError>> {
-    if !is_run_emit_host_go_decl(dag, callee_decl) {
-        return None;
-    }
-    if operands.len() != 3 {
-        return Some(Err(EvalError::TransformArityMismatch {
-            expected: 3,
-            got: operands.len(),
-        }));
-    }
-
-    let source = match expect_string_operand(&operands[1]) {
-        Ok(source) => source,
-        Err(err) => return Some(Err(err)),
-    };
-    let inputs = match emit_host_transport_inputs(dag, &operands[2], state, strategy) {
-        Ok(inputs) => inputs,
-        Err(err) => return Some(Err(err)),
-    };
-    let work_dir = emit_host_runner::unique_work_dir("gunbc_eval_emit_host_go");
-    let receipt = match emit_host_runner::run_emit_host_go(source, &inputs, &work_dir) {
-        Ok(receipt) => receipt,
-        Err(setup) => return Some(run_emit_host_setup_rejected(dag, &setup)),
-    };
-    let callee = match find_fn_decl(dag, "emit_host_receipt_from_source") {
-        Ok(id) => id,
-        Err(err) => return Some(Err(err)),
-    };
-    let exit = match host_exit_value(dag, &receipt.exit) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let stdout = match byte_string_value(dag, &receipt.stdout_bytes) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let stderr = match byte_string_value(dag, &receipt.stderr_bytes) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let build_log = match build_log_value(dag, &receipt.build_log.lines) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    Some(
-        crate::evaluator::eval_callable_declaration(
-            dag,
-            callee,
-            vec![
-                operands[0].clone(),
-                Value::LiteralValue(LiteralBits::String(receipt.source_text)),
-                exit,
-                stdout,
-                stderr,
-                build_log,
-            ],
-            state,
-            strategy,
-        )
-        .and_then(|value| accepted_variant(dag, value)),
-    )
-}
-
-/// B3 omni-emission — generic `run_host_process` substrate row (`emit_host.dag`).
-pub fn try_dispatch_run_host_process(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    operands: &[Value],
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Option<Result<Value, EvalError>> {
-    if !is_run_host_process_decl(dag, callee_decl) {
-        return None;
-    }
-    if operands.len() != 4 {
-        return Some(Err(EvalError::TransformArityMismatch {
-            expected: 4,
-            got: operands.len(),
-        }));
-    }
-
-    let descriptor_identity = match host_transport_descriptor_identity(&operands[0]) {
-        Some(identity) => identity,
-        None => {
-            return Some(Err(EvalError::BadTransformOperands {
-                reason: "run_host_process descriptor missing identity",
-            }));
-        }
-    };
-    let source = match expect_string_operand(&operands[2]) {
-        Ok(source) => source,
-        Err(err) => return Some(Err(err)),
-    };
-    let inputs = match emit_host_transport_inputs(dag, &operands[3], state, strategy) {
-        Ok(inputs) => inputs,
-        Err(err) => return Some(Err(err)),
-    };
-    let work_dir = emit_host_runner::unique_work_dir("gunbc_eval_run_host_process");
-    let receipt = match emit_host_runner::run_host_process(
-        &descriptor_identity,
-        source,
-        &inputs,
-        &work_dir,
-    ) {
-        Ok(receipt) => receipt,
-        Err(setup) => return Some(run_emit_host_setup_rejected(dag, &setup)),
-    };
-    let callee = match find_fn_decl(dag, "emit_host_receipt_from_source") {
-        Ok(id) => id,
-        Err(err) => return Some(Err(err)),
-    };
-    let exit = match host_exit_value(dag, &receipt.exit) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let stdout = match byte_string_value(dag, &receipt.stdout_bytes) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let stderr = match byte_string_value(dag, &receipt.stderr_bytes) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    let build_log = match build_log_value(dag, &receipt.build_log.lines) {
-        Ok(v) => v,
-        Err(err) => return Some(Err(err)),
-    };
-    Some(
-        crate::evaluator::eval_callable_declaration(
-            dag,
-            callee,
-            vec![
-                operands[1].clone(),
-                Value::LiteralValue(LiteralBits::String(receipt.source_text)),
-                exit,
-                stdout,
-                stderr,
-                build_log,
-            ],
-            state,
-            strategy,
-        )
-        .and_then(|value| accepted_variant(dag, value)),
-    )
-}
-
-/// Decode `SignedI32Le` runtime primitive bytes (codec-driven, not target-specific).
-pub fn try_dispatch_runtime_value_signed_i32_le_as_int(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    operands: &[Value],
-    _state: &mut EvalStateStack<Value>,
-    _strategy: &EvalStrategy,
-) -> Option<Result<Value, EvalError>> {
-    if !is_runtime_value_signed_i32_le_as_int_decl(dag, callee_decl) {
-        return None;
-    }
-    if operands.len() != 1 {
-        return Some(Err(EvalError::TransformArityMismatch {
-            expected: 1,
-            got: operands.len(),
-        }));
-    }
-    let bytes = match runtime_value_primitive_bytes(dag, &operands[0]) {
-        Ok(bytes) => bytes,
-        Err(err) => return Some(Err(err)),
-    };
-    let parsed = match emit_host_runner::runtime_value_parse_signed_i32_le(&bytes) {
-        Ok(n) => n,
-        Err(_) => {
-            let diagnostic = match emit_host_parse_failure_diagnostic(dag) {
-                Ok(v) => v,
-                Err(err) => return Some(Err(err)),
-            };
-            let diagnostics = match non_empty_diagnostics_singleton(dag, diagnostic) {
-                Ok(v) => v,
-                Err(err) => return Some(Err(err)),
-            };
-            return match rejected_outcome_variant(dag, diagnostics) {
-                Ok(v) => Some(Ok(v)),
-                Err(err) => Some(Err(err)),
-            };
-        }
-    };
-    match accepted_variant(
-        dag,
-        Value::LiteralValue(LiteralBits::Int(parsed.to_string())),
-    ) {
-        Ok(v) => Some(Ok(v)),
-        Err(err) => Some(Err(err)),
-    }
-}
-
-fn is_run_host_process_decl(dag: &Dag, callee_decl: DeclarationId) -> bool {
-    is_emit_host_fn_decl(dag, callee_decl, "run_host_process", 4)
-}
-
-fn is_runtime_value_signed_i32_le_as_int_decl(dag: &Dag, callee_decl: DeclarationId) -> bool {
-    is_emit_host_fn_decl(dag, callee_decl, "runtime_value_signed_i32_le_as_int", 1)
-}
-
-fn is_emit_host_fn_decl(dag: &Dag, callee_decl: DeclarationId, name: &str, arity: usize) -> bool {
-    let Some(callee) = dag.declaration_opt(&callee_decl) else {
-        return false;
-    };
-    if callee.name.as_deref() != Some(name) {
-        return false;
-    }
-    if !callee.span.file.ends_with(EMIT_HOST_DAG_AUTHORITY_PATH) {
-        return false;
-    }
-    let TypeConnective::Arrow { inputs, body, .. } = &callee.connective else {
-        return false;
-    };
-    inputs.len() == arity && matches!(body, ArrowBody::UserDefined(_))
-}
-
-fn host_transport_descriptor_identity(value: &Value) -> Option<String> {
-    record_fields(value).and_then(|fields| {
-        fields
-            .iter()
-            .find(|f| f.label == "identity")
-            .and_then(|f| atom_identity_literal(&f.value))
-    })
-}
-
-fn runtime_value_primitive_bytes(dag: &Dag, value: &Value) -> Result<Vec<u8>, EvalError> {
-    let payload = match value {
-        Value::VariantValue { payload, .. } => payload.as_ref(),
-        _ => {
-            return Err(EvalError::BadTransformOperands {
-                reason: "runtime value is not a variant",
-            });
-        }
-    };
-    let prim_fields = record_fields(payload).ok_or(EvalError::BadTransformOperands {
-        reason: "RuntimePrimitive payload is not a record",
-    })?;
-    let value_field =
-        prim_fields
-            .iter()
-            .find(|f| f.label == "value")
-            .ok_or(EvalError::BadTransformOperands {
-                reason: "RuntimePrimitiveValue missing value field",
-            })?;
-    let inner = record_fields(&value_field.value).ok_or(EvalError::BadTransformOperands {
-        reason: "RuntimePrimitiveValue is not a record",
-    })?;
-    let bytes_field =
-        inner
-            .iter()
-            .find(|f| f.label == "bytes")
-            .ok_or(EvalError::BadTransformOperands {
-                reason: "RuntimePrimitiveValue missing bytes field",
-            })?;
-    byte_list_to_vec(dag, &bytes_field.value)
-}
-
-fn byte_list_to_vec(dag: &Dag, list: &Value) -> Result<Vec<u8>, EvalError> {
-    let byte_ty = v4_carrier_decl_id(dag, V4_STD_MACHINE_AUTHORITY, "Byte")?;
-    let list_ty = list_instantiation_for_element(dag, byte_ty)?;
-    let empty_tag = find_list_variant_tag(dag, list_ty, "Empty")?;
-    let cons_tag = find_list_variant_tag(dag, list_ty, "Cons")?;
-    let mut out = Vec::new();
-    let mut current = list;
-    loop {
-        let Value::VariantValue { tag, payload } = current else {
-            return Err(EvalError::BadTransformOperands {
-                reason: "byte list is not a variant",
-            });
-        };
-        if *tag == empty_tag {
-            break;
-        }
-        if *tag != cons_tag {
-            return Err(EvalError::BadTransformOperands {
-                reason: "byte list variant is not Empty or Cons",
-            });
-        }
-        let fields = record_fields(payload).ok_or(EvalError::BadTransformOperands {
-            reason: "byte list Cons is not a record",
-        })?;
-        let head =
-            fields
-                .iter()
-                .find(|f| f.label == "head")
-                .ok_or(EvalError::BadTransformOperands {
-                    reason: "byte list Cons missing head",
-                })?;
-        out.push(byte_value_to_u8(dag, &head.value)?);
-        let tail =
-            fields
-                .iter()
-                .find(|f| f.label == "tail")
-                .ok_or(EvalError::BadTransformOperands {
-                    reason: "byte list Cons missing tail",
-                })?;
-        current = &tail.value;
-    }
-    Ok(out)
-}
-
-fn byte_value_to_u8(dag: &Dag, value: &Value) -> Result<u8, EvalError> {
-    let fields = record_fields(value).ok_or(EvalError::BadTransformOperands {
-        reason: "byte is not a record",
-    })?;
-    let bits_value =
-        fields
-            .iter()
-            .find(|f| f.label == "bits")
-            .ok_or(EvalError::BadTransformOperands {
-                reason: "byte missing bits field",
-            })?;
-    let bits = bit_list_to_bools(dag, &bits_value.value)?;
-    if bits.len() != 8 {
-        return Err(EvalError::BadTransformOperands {
-            reason: "byte bits length is not 8",
-        });
-    }
-    let mut byte = 0u8;
-    for (shift, bit) in bits.iter().enumerate() {
-        if *bit {
-            byte |= 1 << (7 - shift);
-        }
-    }
-    Ok(byte)
-}
-
-fn bit_list_to_bools(dag: &Dag, list: &Value) -> Result<Vec<bool>, EvalError> {
-    let bit_ty = v4_carrier_decl_id(dag, V4_STD_MACHINE_AUTHORITY, "Bit")?;
-    let list_ty = list_instantiation_for_element(dag, bit_ty)?;
-    let empty_tag = find_list_variant_tag(dag, list_ty, "Empty")?;
-    let cons_tag = find_list_variant_tag(dag, list_ty, "Cons")?;
-    let mut out = Vec::new();
-    let mut current = list;
-    loop {
-        let Value::VariantValue { tag, payload } = current else {
-            return Err(EvalError::BadTransformOperands {
-                reason: "bit list is not a variant",
-            });
-        };
-        if *tag == empty_tag {
-            break;
-        }
-        if *tag != cons_tag {
-            return Err(EvalError::BadTransformOperands {
-                reason: "bit list variant is not Empty or Cons",
-            });
-        }
-        let fields = record_fields(payload).ok_or(EvalError::BadTransformOperands {
-            reason: "bit list Cons is not a record",
-        })?;
-        let head =
-            fields
-                .iter()
-                .find(|f| f.label == "head")
-                .ok_or(EvalError::BadTransformOperands {
-                    reason: "bit list Cons missing head",
-                })?;
-        match &head.value {
-            Value::LiteralValue(LiteralBits::Bool(bit)) => out.push(*bit),
-            _ => {
-                return Err(EvalError::BadTransformOperands {
-                    reason: "bit list head is not Bool",
-                });
-            }
-        }
-        let tail =
-            fields
-                .iter()
-                .find(|f| f.label == "tail")
-                .ok_or(EvalError::BadTransformOperands {
-                    reason: "bit list Cons missing tail",
-                })?;
-        current = &tail.value;
-    }
-    Ok(out)
-}
-
-fn emit_host_parse_failure_diagnostic(dag: &Dag) -> Result<Value, EvalError> {
-    emit_host_port_diagnostic(dag, "emit_host_parse_failure")
-}
-
-fn is_run_emit_host_rust_decl(dag: &Dag, callee_decl: DeclarationId) -> bool {
-    is_run_emit_host_decl(dag, callee_decl, "run_emit_host_rust")
-}
-
-fn is_run_emit_host_go_decl(dag: &Dag, callee_decl: DeclarationId) -> bool {
-    is_run_emit_host_decl(dag, callee_decl, "run_emit_host_go")
-}
-
-fn is_run_emit_host_decl(dag: &Dag, callee_decl: DeclarationId, name: &str) -> bool {
-    let Some(callee) = dag.declaration_opt(&callee_decl) else {
-        return false;
-    };
-    if callee.name.as_deref() != Some(name) {
-        return false;
-    }
-    if !callee.span.file.ends_with(EMIT_HOST_DAG_AUTHORITY_PATH) {
-        return false;
-    }
-    let TypeConnective::Arrow { inputs, body, .. } = &callee.connective else {
-        return false;
-    };
-    inputs.len() == 3 && matches!(body, ArrowBody::UserDefined(_))
-}
-
-fn find_fn_decl(dag: &Dag, name: &str) -> Result<DeclarationId, EvalError> {
-    dag.declarations()
-        .iter()
-        .find(|decl| {
-            decl.name.as_deref() == Some(name)
-                && decl.span.file.ends_with(EMIT_HOST_DAG_AUTHORITY_PATH)
-        })
-        .map(|decl| decl.id)
-        .ok_or(EvalError::BadTransformOperands {
-            reason: "substrate fn declaration not found in eval dag",
-        })
-}
-
-/// Eval-time dispatch chain for remaining substrate `run_emit_host_*` rows.
-///
-/// Rust and Go use dedicated entrypoints in `lib.rs` (`emit_host_receipt_from_source`);
-/// this wrapper keeps python on the same extension point if additional rows later share
-/// the hand-reify transport path.
-pub fn try_dispatch_emit_host(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    operands: &[Value],
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Option<Result<Value, EvalError>> {
-    if let Some(result) = try_dispatch_emit_host_python(dag, callee_decl, operands, state, strategy)
-    {
-        return Some(result);
-    }
-    None
-}
-
-/// Eval-time dispatch for `run_emit_host_python` in `emit_host.dag`.
-pub fn try_dispatch_emit_host_python(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    operands: &[Value],
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Option<Result<Value, EvalError>> {
-    try_dispatch_emit_host_transport(
-        dag,
-        callee_decl,
-        operands,
-        state,
-        strategy,
-        "run_emit_host_python",
-        "gunbc_eval_emit_host_python",
-        emit_host_runner::run_emit_host_python,
-    )
-}
-
-fn try_dispatch_emit_host_transport(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    operands: &[Value],
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-    fn_name: &str,
-    work_dir_prefix: &str,
-    run: HostTransportRun,
-) -> Option<Result<Value, EvalError>> {
-    let callee = dag.declaration_opt(&callee_decl)?;
-    if callee.name.as_deref() != Some(fn_name)
-        || !callee.span.file.ends_with(EMIT_HOST_DAG_AUTHORITY_PATH)
-    {
-        return None;
-    }
-    if operands.len() != 3 {
-        return Some(Err(EvalError::TransformArityMismatch {
-            expected: 3,
-            got: operands.len(),
-        }));
-    }
-
-    let source = match expect_string_operand(&operands[1]) {
-        Ok(source) => source,
-        Err(err) => return Some(Err(err)),
-    };
-    let inputs = match emit_host_transport_inputs(dag, &operands[2], state, strategy) {
-        Ok(inputs) => inputs,
-        Err(err) => return Some(Err(err)),
-    };
-    let work_dir = emit_host_runner::unique_work_dir(work_dir_prefix);
-    let receipt = match run(source, &inputs, &work_dir) {
-        Ok(receipt) => receipt,
-        Err(setup) => {
-            return Some(run_emit_host_setup_rejected(dag, &setup));
-        }
-    };
-    Some(
-        emit_host_receipt_value(dag, &operands[0], receipt)
-            .and_then(|value| accepted_variant(dag, value)),
-    )
-}
-
-fn run_emit_host_setup_rejected(dag: &Dag, setup: &HostSetupFailure) -> Result<Value, EvalError> {
-    rejected_outcome_variant(
-        dag,
-        non_empty_diagnostics_singleton(dag, host_setup_failure_diagnostic(dag, setup)?)?,
-    )
-}
-
-fn expect_string_operand(value: &Value) -> Result<&str, EvalError> {
-    match value {
-        Value::LiteralValue(LiteralBits::String(s)) => Ok(s),
-        _ => Err(EvalError::BadTransformOperands {
-            reason: "expected String operand",
-        }),
-    }
-}
-
-#[cfg(test)]
-fn emit_host_fixture_inputs(
-    dag: &Dag,
-    value: &Value,
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Result<EmitHostFixtureInputs, EvalError> {
-    let claim_root = inputs_root_field(value)?;
-    let claim_pin_source =
-        inputs_optional_present_node_field(dag, value, "host_claim_pin")?.unwrap_or(claim_root);
-    let claim_pin = host_pin_from_inputs_root(dag, claim_pin_source, state, strategy)?;
-    let expected_root = inputs_expected_eval_root_field(dag, value)?;
-    let expected_pin = host_pin_from_inputs_root(dag, expected_root, state, strategy)?;
-    Ok(EmitHostFixtureInputs {
-        claim_input_root: claim_pin,
-        expected_eval_root: expected_pin,
-    })
-}
-
-fn inputs_root_field(inputs: &Value) -> Result<&Value, EvalError> {
-    inputs_record_field(inputs, "root", "expected Inputs.root field")
-}
-
-#[cfg(test)]
-fn inputs_expected_eval_root_field<'a>(
-    dag: &Dag,
-    inputs: &'a Value,
-) -> Result<&'a Value, EvalError> {
-    let optional = inputs_record_field(
-        inputs,
-        "expected_eval_root",
-        "expected Inputs.expected_eval_root field",
-    )?;
-    optional_node_payload(dag, optional)?.ok_or(EvalError::BadTransformOperands {
-        reason: "emit host dispatch requires Inputs.expected_eval_root Present",
-    })
-}
-
-fn inputs_optional_present_node_field<'a>(
-    dag: &Dag,
-    inputs: &'a Value,
-    label: &str,
-) -> Result<Option<&'a Value>, EvalError> {
-    let Some(optional) = inputs_optional_record_field(inputs, label)? else {
-        return Ok(None);
-    };
-    optional_node_payload(dag, optional)
-}
-
-fn inputs_optional_record_field<'a>(
-    inputs: &'a Value,
-    label: &str,
-) -> Result<Option<&'a Value>, EvalError> {
-    match inputs {
-        Value::RecordValue(fields) => Ok(fields
-            .iter()
-            .find(|field| field.label == label)
-            .map(|field| &field.value)),
-        _ => Err(EvalError::BadTransformOperands {
-            reason: "expected Inputs record",
-        }),
-    }
-}
-
-fn inputs_record_field<'a>(
-    inputs: &'a Value,
-    label: &str,
-    missing_reason: &'static str,
-) -> Result<&'a Value, EvalError> {
-    match inputs {
-        Value::RecordValue(fields) => fields
-            .iter()
-            .find(|field| field.label == label)
-            .map(|field| &field.value)
-            .ok_or(EvalError::BadTransformOperands {
-                reason: missing_reason,
-            }),
-        _ => Err(EvalError::BadTransformOperands {
-            reason: "expected Inputs record",
-        }),
-    }
-}
-
-fn optional_node_payload<'a>(dag: &Dag, value: &'a Value) -> Result<Option<&'a Value>, EvalError> {
-    let Value::VariantValue { tag, payload } = value else {
-        return Err(EvalError::BadTransformOperands {
-            reason: "expected Inputs optional field to be Optional variant",
-        });
-    };
-    match variant_label_for_tag(dag, *tag).as_deref() {
-        Some("Absent" | "None") => Ok(None),
-        Some("Present" | "Some") => Ok(Some(optional_present_payload_value(payload)?)),
-        _ => Err(EvalError::BadTransformOperands {
-            reason: "expected Inputs optional field to be Present or Absent",
-        }),
-    }
-}
-
-fn optional_present_payload_value<'a>(payload: &'a Value) -> Result<&'a Value, EvalError> {
-    match payload {
-        Value::RecordValue(fields) => fields
-            .iter()
-            .find(|field| field.label == "value")
-            .map(|field| &field.value)
-            .ok_or(EvalError::BadTransformOperands {
-                reason: "expected Optional Present { value } payload",
-            }),
-        value => Ok(value),
-    }
-}
-
-/// Project substrate `Node` to a non-empty runner pin (Symbol carrier, Atom identity, or `content_hash`).
-fn host_pin_from_inputs_root(
-    dag: &Dag,
-    root: &Value,
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Result<String, EvalError> {
-    let pin = match root {
-        Value::LiteralValue(LiteralBits::String(s)) => s.clone(),
-        node => match node_primary_symbol(dag, node) {
-            Some(sym) => sym,
-            None => content_hash_runner_pin(dag, node, state, strategy)?,
-        },
-    };
-    if pin.is_empty() {
-        return Err(EvalError::BadTransformOperands {
-            reason: "Inputs pin Node projected to empty host runner pin",
-        });
-    }
-    Ok(pin)
-}
-
-fn content_hash_runner_pin(
-    dag: &Dag,
-    node: &Value,
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Result<String, EvalError> {
-    let hash_value = eval_substrate_fn1(dag, "content_hash", node.clone(), state, strategy)?;
-    hash_value_to_runner_pin(dag, &hash_value)
-}
-
-fn eval_substrate_fn1(
-    dag: &Dag,
-    name: &str,
-    arg: Value,
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Result<Value, EvalError> {
-    let decl = dag
-        .declaration_by_name(name)
-        .ok_or(EvalError::BadTransformOperands {
-            reason: "substrate fn declaration not found in eval dag",
-        })?;
-    crate::evaluator::eval_callable_declaration(dag, decl.id, vec![arg], state, strategy)
-}
-
-fn hash_value_to_runner_pin(dag: &Dag, hash: &Value) -> Result<String, EvalError> {
-    if let Some(sym) = node_primary_symbol(dag, hash) {
-        return Ok(sym);
-    }
-    match hash {
-        Value::LiteralValue(LiteralBits::String(s)) => Ok(s.clone()),
-        Value::LiteralValue(LiteralBits::Int(s)) => Ok(s.clone()),
-        _ => Err(EvalError::BadTransformOperands {
-            reason: "content_hash result not projectable to host runner pin",
-        }),
-    }
-}
-
-fn variant_label_for_tag(dag: &Dag, tag: DeclarationId) -> Option<String> {
-    dag.declarations().iter().find_map(|decl| {
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return None;
-        };
-        variants
-            .iter()
-            .find(|variant| variant.ty == tag)
-            .map(|variant| variant.label.clone())
-    })
-}
-
-fn node_primary_symbol(dag: &Dag, value: &Value) -> Option<String> {
-    let fields = record_fields(value)?;
-    let kind = fields.iter().find(|f| f.label == "kind")?;
-    connective_atom_symbol(dag, &kind.value)
-}
-
-fn connective_atom_symbol(dag: &Dag, value: &Value) -> Option<String> {
-    match value {
-        Value::RecordValue(fields) => fields
-            .iter()
-            .find(|f| f.label == "connective")
-            .and_then(|f| atom_identity_literal(&f.value)),
-        Value::VariantValue { tag, payload } => {
-            let arm = dag.declaration(*tag).name.as_deref()?;
-            if arm == "Atom" {
-                atom_identity_literal(payload)
-            } else {
-                connective_atom_symbol(dag, payload)
-            }
-        }
-        _ => None,
-    }
-}
-
-fn atom_identity_literal(value: &Value) -> Option<String> {
-    match value {
-        Value::RecordValue(fields) => {
-            fields
-                .iter()
-                .find(|f| f.label == "identity")
-                .and_then(|f| match &f.value {
-                    Value::LiteralValue(LiteralBits::String(s)) => Some(s.clone()),
-                    _ => None,
-                })
-        }
-        Value::VariantValue { payload, .. } => atom_identity_literal(payload),
-        _ => None,
-    }
-}
-
-fn record_fields(value: &Value) -> Option<&[NamedField]> {
-    match value {
-        Value::RecordValue(fields) => Some(fields),
-        Value::VariantValue { payload, .. } => record_fields(payload),
-        _ => None,
-    }
-}
-
-/// Build claim-only transport pins for `run_emit_host_*` substrate rows.
-///
-/// Operand `Inputs` at this boundary carries only `root` (claim pin). Expected eval root is
-/// modeled separately on emit-vs-eval harness paths via [`emit_host_fixture_inputs`].
-fn emit_host_transport_inputs(
-    dag: &Dag,
-    fixture_inputs: &Value,
-    state: &mut EvalStateStack<Value>,
-    strategy: &EvalStrategy,
-) -> Result<EmitHostTransportInputs, EvalError> {
-    let claim_root = inputs_root_field(fixture_inputs)?;
-    let claim_pin_source =
-        inputs_optional_present_node_field(dag, fixture_inputs, "host_claim_pin")?
-            .unwrap_or(claim_root);
-    let claim_input_root = host_pin_from_inputs_root(dag, claim_pin_source, state, strategy)?;
-    Ok(EmitHostTransportInputs { claim_input_root })
-}
-
-/// Resolve a top-level v4 std carrier by **source file** (not `declaration_by_name` rank).
-///
-/// Bootstrap `Dag::new()` also embeds `src/v3/std/dimensions.dag` `Witness<Carrier>`
-/// (`Inhabits` / `Violates`). Host-run reification must use `v4.std.witness.Witness`
-/// (`Holds` / `Violates`) from the emit-host import graph.
-///
-/// When several declarations in the same authority file share `type_name` (alias re-lowers,
-/// specialization copies), pick the one with the **lowest** `DeclarationId::raw()` so lookup
-/// is deterministic and stable across hermetic stubs and `compile_to_dag_modules_in_order`.
-fn v4_carrier_decl_id(
-    dag: &Dag,
-    authority_file_suffix: &str,
-    type_name: &str,
-) -> Result<DeclarationId, EvalError> {
-    dag.declarations()
-        .iter()
-        .filter(|decl| {
-            decl.name.as_deref() == Some(type_name)
-                && decl.span.file.ends_with(authority_file_suffix)
-        })
-        .max_by_key(|decl| std::cmp::Reverse(decl.id.raw()))
-        .map(|decl| decl.id)
-        .ok_or(EvalError::BadTransformOperands {
-            reason: "v4 carrier type not found in modeled authority file",
-        })
-}
-
-fn v4_carrier_variant_tag(
-    dag: &Dag,
-    authority_file_suffix: &str,
-    type_name: &str,
-    variant_name: &str,
-) -> Result<DeclarationId, EvalError> {
-    let decl_id = v4_carrier_decl_id(dag, authority_file_suffix, type_name)?;
-    let TypeConnective::Disj { variants } = &dag.declaration(decl_id).connective else {
-        return Err(EvalError::BadTransformOperands {
-            reason: "v4 carrier is not a sum type",
-        });
-    };
-    variants
-        .iter()
-        .find(|variant| variant.label == variant_name)
-        .map(|variant| variant.ty)
-        .ok_or(EvalError::BadTransformOperands {
-            reason: "v4 carrier variant arm not found in modeled authority file",
-        })
-}
-
-fn is_v4_std_authority_file(file: &str) -> bool {
-    file.contains("src/v4/std/")
-}
-
-fn list_instantiation_for_element(
-    dag: &Dag,
-    element_ty: DeclarationId,
-) -> Result<DeclarationId, EvalError> {
-    let list_id = v4_carrier_decl_id(dag, V4_STD_COLLECTION_AUTHORITY, "List")?;
-    dag.declarations()
-        .iter()
-        .filter(|decl| is_v4_std_authority_file(&decl.span.file))
-        .find_map(|decl| {
-            let TypeConnective::Instantiation {
-                template,
-                arguments,
-            } = &decl.connective
-            else {
-                return None;
-            };
-            (*template == list_id && arguments.len() == 1 && arguments[0].value == element_ty)
-                .then_some(decl.id)
-        })
-        .ok_or(EvalError::BadTransformOperands {
-            reason: "v4 List<element> instantiation not found in modeled authority files",
-        })
-}
-
-fn list_element_ty(dag: &Dag, list_ty: DeclarationId) -> Result<DeclarationId, EvalError> {
-    let list_id = v4_carrier_decl_id(dag, V4_STD_COLLECTION_AUTHORITY, "List")?;
-    let free_monoid_id = v4_carrier_decl_id(dag, V4_STD_ALGEBRA_AUTHORITY, "FreeMonoid").ok();
-    peel_list_element_ty(dag, list_ty, list_id, free_monoid_id, 0)
-}
-
-fn peel_list_element_ty(
-    dag: &Dag,
-    ty: DeclarationId,
-    list_id: DeclarationId,
-    free_monoid_id: Option<DeclarationId>,
-    depth: usize,
-) -> Result<DeclarationId, EvalError> {
-    if depth >= 8 {
-        return Err(EvalError::BadTransformOperands {
-            reason: "List<elem> alias peel depth exceeded",
-        });
-    }
-    match &dag.declaration(ty).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if arguments.len() == 1 => {
-            if *template == list_id || free_monoid_id == Some(*template) {
-                Ok(arguments[0].value)
-            } else {
-                peel_list_element_ty(dag, *template, list_id, free_monoid_id, depth + 1)
-            }
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            peel_list_element_ty(dag, *next, list_id, free_monoid_id, depth + 1)
-        }
-        _ => Err(EvalError::BadTransformOperands {
-            reason: "expected List<elem> instantiation",
-        }),
-    }
-}
-
-/// `Empty` / `Cons` arm type from `v4.std.algebra.FreeMonoid` (not bootstrap `List`).
-fn v4_free_monoid_variant_arm_type(dag: &Dag, variant: &str) -> Result<DeclarationId, EvalError> {
-    v4_carrier_variant_tag(dag, V4_STD_ALGEBRA_AUTHORITY, "FreeMonoid", variant)
-}
-
-fn find_list_variant_tag(
-    dag: &Dag,
-    list_ty: DeclarationId,
-    variant: &str,
-) -> Result<DeclarationId, EvalError> {
-    let elem_ty = list_element_ty(dag, list_ty)?;
-    let arm_ty = v4_free_monoid_variant_arm_type(dag, variant)?;
-    dag.declarations()
-        .iter()
-        .filter(|decl| is_v4_std_authority_file(&decl.span.file))
-        .find_map(|decl| {
-            let TypeConnective::Instantiation {
-                template,
-                arguments,
-            } = &decl.connective
-            else {
-                return None;
-            };
-            (*template == arm_ty && arguments.len() == 1 && arguments[0].value == elem_ty)
-                .then_some(decl.id)
-        })
-        .ok_or(EvalError::BadTransformOperands {
-            reason: "v4 FreeMonoid variant constructor tag not found in modeled authority files",
-        })
-}
-
-fn empty_list_value(dag: &Dag, list_ty: DeclarationId) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: find_list_variant_tag(dag, list_ty, "Empty")?,
-        payload: Box::new(Value::RecordValue(vec![])),
-    })
-}
-
-fn cons_list_value(
-    dag: &Dag,
-    list_ty: DeclarationId,
-    head: Value,
-    tail: Value,
-) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: find_list_variant_tag(dag, list_ty, "Cons")?,
-        payload: Box::new(Value::RecordValue(vec![
-            NamedField {
-                label: "head".to_string(),
-                value: head,
-            },
-            NamedField {
-                label: "tail".to_string(),
-                value: tail,
-            },
-        ])),
-    })
-}
-
-fn list_from_values(
-    dag: &Dag,
-    list_ty: DeclarationId,
-    items: Vec<Value>,
-) -> Result<Value, EvalError> {
-    let mut list = empty_list_value(dag, list_ty)?;
-    for item in items.into_iter().rev() {
-        list = cons_list_value(dag, list_ty, item, list)?;
-    }
-    Ok(list)
-}
-
-fn bit_list_ty(dag: &Dag) -> Result<DeclarationId, EvalError> {
-    let bit_ty = v4_carrier_decl_id(dag, V4_STD_MACHINE_AUTHORITY, "Bit")?;
-    list_instantiation_for_element(dag, bit_ty)
-}
-
-fn byte_list_ty(dag: &Dag) -> Result<DeclarationId, EvalError> {
-    let byte_ty = v4_carrier_decl_id(dag, V4_STD_MACHINE_AUTHORITY, "Byte")?;
-    list_instantiation_for_element(dag, byte_ty)
-}
-
-fn string_list_ty(dag: &Dag) -> Result<DeclarationId, EvalError> {
-    let string_ty = v4_carrier_decl_id(dag, V4_STD_TEXT_AUTHORITY, "String")?;
-    list_instantiation_for_element(dag, string_ty)
-}
-
-fn byte_value(dag: &Dag, byte: u8) -> Result<Value, EvalError> {
-    let bits: Vec<Value> = (0..8)
-        .map(|shift| Value::LiteralValue(LiteralBits::Bool((byte >> (7 - shift)) & 1 != 0)))
-        .collect();
-    let bits_list = list_from_values(dag, bit_list_ty(dag)?, bits)?;
-    Ok(Value::RecordValue(vec![NamedField {
-        label: "bits".to_string(),
-        value: bits_list,
-    }]))
-}
-
-fn byte_string_value(dag: &Dag, bytes: &[u8]) -> Result<Value, EvalError> {
-    let elems: Result<Vec<Value>, EvalError> =
-        bytes.iter().copied().map(|b| byte_value(dag, b)).collect();
-    list_from_values(dag, byte_list_ty(dag)?, elems?)
-}
-
-fn string_list_value(dag: &Dag, lines: &[String]) -> Result<Value, EvalError> {
-    let elems: Vec<Value> = lines
-        .iter()
-        .cloned()
-        .map(|line| Value::LiteralValue(LiteralBits::String(line)))
-        .collect();
-    list_from_values(dag, string_list_ty(dag)?, elems)
-}
-
-fn build_log_value(dag: &Dag, lines: &[String]) -> Result<Value, EvalError> {
-    Ok(Value::RecordValue(vec![NamedField {
-        label: "lines".to_string(),
-        value: string_list_value(dag, lines)?,
-    }]))
-}
-
-fn diagnostics_none_variant(dag: &Dag) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: v4_carrier_variant_tag(dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Diagnostics", "None")?,
-        payload: Box::new(Value::RecordValue(Vec::new())),
-    })
-}
-
-fn accepted_variant(dag: &Dag, value: Value) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: v4_carrier_variant_tag(dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Outcome", "Accepted")?,
-        payload: Box::new(Value::RecordValue(vec![
-            NamedField {
-                label: "value".to_string(),
-                value,
-            },
-            NamedField {
-                label: "diagnostics".to_string(),
-                value: diagnostics_none_variant(dag)?,
-            },
-        ])),
-    })
-}
-
-fn rejected_outcome_variant(dag: &Dag, diagnostics: Value) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: v4_carrier_variant_tag(dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Outcome", "Rejected")?,
-        payload: Box::new(Value::RecordValue(vec![NamedField {
-            label: "diagnostics".to_string(),
-            value: diagnostics,
-        }])),
-    })
-}
-
-fn diagnostic_list_ty(dag: &Dag) -> Result<DeclarationId, EvalError> {
-    let diagnostic_ty = v4_carrier_decl_id(dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Diagnostic")?;
-    list_instantiation_for_element(dag, diagnostic_ty)
-}
-
-fn non_empty_diagnostics_singleton(dag: &Dag, diagnostic: Value) -> Result<Value, EvalError> {
-    Ok(Value::RecordValue(vec![
-        NamedField {
-            label: "head".to_string(),
-            value: diagnostic,
-        },
-        NamedField {
-            label: "tail".to_string(),
-            value: empty_list_value(dag, diagnostic_list_ty(dag)?)?,
-        },
-    ]))
-}
-
-fn correction_unavailable_variant(dag: &Dag) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: v4_carrier_variant_tag(
-            dag,
-            V4_STD_DIAGNOSTIC_AUTHORITY,
-            "Correction",
-            "Unavailable",
-        )?,
-        payload: Box::new(Value::RecordValue(vec![NamedField {
-            label: "reason".to_string(),
-            value: Value::VariantValue {
-                tag: v4_carrier_variant_tag(
-                    dag,
-                    V4_STD_DIAGNOSTIC_AUTHORITY,
-                    "NoCorrectionReason",
-                    "ExternalContractUnknown",
-                )?,
-                payload: Box::new(Value::RecordValue(vec![])),
-            },
-        }])),
-    })
-}
-
-fn port_locus_value(dag: &Dag, port: &str) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: v4_carrier_variant_tag(dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Locus", "PortLocus")?,
-        payload: Box::new(Value::RecordValue(vec![NamedField {
-            label: "anchor".to_string(),
-            value: Value::RecordValue(vec![NamedField {
-                label: "at".to_string(),
-                value: Value::LiteralValue(LiteralBits::String(port.to_string())),
-            }]),
-        }])),
-    })
-}
-
-fn emit_host_port_diagnostic(dag: &Dag, reason: &str) -> Result<Value, EvalError> {
-    Ok(Value::RecordValue(vec![
-        NamedField {
-            label: "reason".to_string(),
-            value: Value::LiteralValue(LiteralBits::String(reason.to_string())),
-        },
-        NamedField {
-            label: "at".to_string(),
-            value: port_locus_value(dag, "emit_host_transport_port")?,
-        },
-        NamedField {
-            label: "correction".to_string(),
-            value: correction_unavailable_variant(dag)?,
-        },
-    ]))
-}
-
-fn host_logical_failure_diagnostic(
-    dag: &Dag,
-    failure: &HostLogicalFailure,
-) -> Result<Value, EvalError> {
-    let reason = match failure {
-        HostLogicalFailure::TimedOut { .. } => "emit_host_exit_timed_out",
-        HostLogicalFailure::NoExitStatus { .. } => "emit_host_exit_no_status",
-        HostLogicalFailure::ExitedNonzero { .. } => "emit_host_exit_nonzero",
-    };
-    emit_host_port_diagnostic(dag, reason)
-}
-
-fn host_setup_failure_reason(failure: &HostSetupFailure) -> &'static str {
-    match failure {
-        HostSetupFailure::SpawnFailed { .. } => "emit_host_setup_spawn_failed",
-        HostSetupFailure::StdoutPipeMissing { .. } => "emit_host_setup_stdout_pipe_missing",
-        HostSetupFailure::StderrPipeMissing { .. } => "emit_host_setup_stderr_pipe_missing",
-        HostSetupFailure::TryWaitFailed { .. } => "emit_host_setup_try_wait_failed",
-        HostSetupFailure::StreamReadFailed { .. } => "emit_host_setup_stream_read_failed",
-        HostSetupFailure::WorkDirCreateFailed { .. } => "emit_host_setup_work_dir_create_failed",
-        HostSetupFailure::ManifestWriteFailed { .. } => "emit_host_setup_manifest_write_failed",
-        HostSetupFailure::SourceWriteFailed { .. } => "emit_host_setup_source_write_failed",
-        HostSetupFailure::EmptyClaimInputRoot => "emit_host_setup_empty_claim_input_root",
-        HostSetupFailure::EmptyExpectedEvalRoot => "emit_host_setup_empty_expected_eval_root",
-    }
-}
-
-fn host_setup_failure_diagnostic(
-    dag: &Dag,
-    failure: &HostSetupFailure,
-) -> Result<Value, EvalError> {
-    emit_host_port_diagnostic(dag, host_setup_failure_reason(failure))
-}
-
-fn witness_holds_variant(dag: &Dag, value: Value) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: v4_carrier_variant_tag(dag, V4_STD_WITNESS_AUTHORITY, "Witness", "Holds")?,
-        payload: Box::new(Value::RecordValue(vec![NamedField {
-            label: "value".to_string(),
-            value,
-        }])),
-    })
-}
-
-fn witness_violates_variant(dag: &Dag, diagnostic: Value) -> Result<Value, EvalError> {
-    Ok(Value::VariantValue {
-        tag: v4_carrier_variant_tag(dag, V4_STD_WITNESS_AUTHORITY, "Witness", "Violates")?,
-        payload: Box::new(Value::RecordValue(vec![NamedField {
-            label: "diagnostic".to_string(),
-            value: diagnostic,
-        }])),
-    })
-}
-
-fn host_exit_value(dag: &Dag, exit: &HostExit) -> Result<Value, EvalError> {
-    Ok(Value::RecordValue(vec![NamedField {
-        label: "outcome".to_string(),
-        value: host_exit_outcome_value(dag, exit)?,
-    }]))
-}
-
-fn host_exit_outcome_value(dag: &Dag, exit: &HostExit) -> Result<Value, EvalError> {
-    match &exit.outcome {
-        HostExitOutcome::Accepted(ExitWitness::Holds(ok)) => accepted_variant(
-            dag,
-            witness_holds_variant(
-                dag,
-                Value::RecordValue(vec![NamedField {
-                    label: "code".to_string(),
-                    value: Value::LiteralValue(LiteralBits::Int(ok.code.to_string())),
-                }]),
-            )?,
-        ),
-        HostExitOutcome::Accepted(ExitWitness::Violates(failure)) => accepted_variant(
-            dag,
-            witness_violates_variant(dag, host_logical_failure_diagnostic(dag, failure)?)?,
-        ),
-        HostExitOutcome::Rejected(setup) => rejected_outcome_variant(
-            dag,
-            non_empty_diagnostics_singleton(dag, host_setup_failure_diagnostic(dag, setup)?)?,
-        ),
-    }
-}
-
-/// Mirrors `host_logical_run_from_exit` in `v4.std.host_run`.
-fn host_logical_run_outcome_value(
-    dag: &Dag,
-    exit: &HostExit,
-    stdout_bytes: &[u8],
-) -> Result<Value, EvalError> {
-    match &exit.outcome {
-        HostExitOutcome::Accepted(ExitWitness::Holds(_)) => {
-            let stdout = Value::RecordValue(vec![NamedField {
-                label: "bytes".to_string(),
-                value: byte_string_value(dag, stdout_bytes)?,
-            }]);
-            accepted_variant(
-                dag,
-                Value::RecordValue(vec![NamedField {
-                    label: "stdout".to_string(),
-                    value: stdout,
-                }]),
-            )
-        }
-        HostExitOutcome::Accepted(ExitWitness::Violates(failure)) => rejected_outcome_variant(
-            dag,
-            non_empty_diagnostics_singleton(dag, host_logical_failure_diagnostic(dag, failure)?)?,
-        ),
-        HostExitOutcome::Rejected(setup) => rejected_outcome_variant(
-            dag,
-            non_empty_diagnostics_singleton(dag, host_setup_failure_diagnostic(dag, setup)?)?,
-        ),
-    }
-}
-
-fn emit_host_receipt_value(
-    dag: &Dag,
-    target: &Value,
-    receipt: EmitHostRunReceipt,
-) -> Result<Value, EvalError> {
-    let exit = host_exit_outcome_value(dag, &receipt.exit)?;
-    let logical_run = host_logical_run_outcome_value(dag, &receipt.exit, &receipt.stdout_bytes)?;
-    Ok(Value::RecordValue(vec![
-        NamedField {
-            label: "target".to_string(),
-            value: target.clone(),
-        },
-        NamedField {
-            label: "source_text".to_string(),
-            value: Value::LiteralValue(LiteralBits::String(receipt.source_text)),
-        },
-        NamedField {
-            label: "exit".to_string(),
-            value: Value::RecordValue(vec![NamedField {
-                label: "outcome".to_string(),
-                value: exit,
-            }]),
-        },
-        NamedField {
-            label: "logical_run".to_string(),
-            value: logical_run,
-        },
-        NamedField {
-            label: "stderr_bytes".to_string(),
-            value: byte_string_value(dag, &receipt.stderr_bytes)?,
-        },
-        NamedField {
-            label: "build_log".to_string(),
-            value: Value::RecordValue(vec![NamedField {
-                label: "lines".to_string(),
-                value: string_list_value(dag, &receipt.build_log.lines)?,
-            }]),
-        },
-    ]))
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::dag::{
-        ArrowBody, AtomPayload, BindNodeId, Dag, Declaration, DeclarationId, Field,
-        TemplateArgument, TypeConnective,
-    };
-    use crate::diagnostics::SourceSpan;
-    use crate::evaluator::{EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder};
-    use emit_host_runner::HostSetupFailure;
-
-    fn optional_variant(dag: &Dag, name: &str, payload: Value) -> Value {
-        let tag = dag
-            .declarations()
-            .iter()
-            .find_map(|decl| {
-                let TypeConnective::Disj { variants } = &decl.connective else {
-                    return None;
-                };
-                variants
-                    .iter()
-                    .find(|variant| variant.label == name)
-                    .map(|variant| variant.ty)
-            })
-            .expect(name);
-        Value::VariantValue {
-            tag,
-            payload: Box::new(payload),
-        }
-    }
-
-    fn optional_present_value(dag: &Dag, value: Value) -> Value {
-        optional_variant(dag, "Some", value)
-    }
-
-    fn span(file: &str) -> SourceSpan {
-        SourceSpan::new(file, 0, 1)
-    }
-
-    fn atom_decl(dag: &mut Dag, name: &str, file: &str) -> DeclarationId {
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: Some(name.to_string()),
-            connective: TypeConnective::Atom(AtomPayload::TypeParam(name.to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span(file),
-        });
-        id
-    }
-
-    fn run_emit_host_decl(dag: &mut Dag, name: &str, file: &str) -> DeclarationId {
-        let target = atom_decl(dag, "TargetModel", file);
-        let source = atom_decl(dag, "TargetSource", file);
-        let inputs = atom_decl(dag, "Inputs", file);
-        let output = atom_decl(dag, "OutcomeEmitHostRunReceipt", file);
-        let body_value = dag.push_value(LiteralBits::Bool(false), span(file));
-        let bind = dag.push_bind(
-            "transport_not_wired_body",
-            body_value,
-            Vec::new(),
-            span(file),
-        );
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: Some(name.to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![target, source, inputs],
-                output,
-                body: ArrowBody::UserDefined(
-                    BindNodeId::from_bind_node(dag, bind).expect("bind body"),
-                ),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span(file),
-        });
-        id
-    }
-
-    fn empty_eval_state() -> EvalStateStack<Value> {
-        EvalStateStack::with_root_frame(EvalFrame::empty())
-    }
-
-    fn applicative_strategy() -> EvalStrategy {
-        EvalStrategy::ApplicativeOrder {
-            input_order: InputEvaluationOrder::LeftFirst,
-        }
-    }
-
-    const V4_DIAGNOSTIC_PATH: &str = "src/v4/std/diagnostic.dag";
-    const V4_WITNESS_PATH: &str = "src/v4/std/witness.dag";
-    const V4_COLLECTION_PATH: &str = "src/v4/std/collection.dag";
-    const V4_ALGEBRA_PATH: &str = "src/v4/std/algebra.dag";
-    const V4_MACHINE_PATH: &str = "src/v4/std/machine.dag";
-    const V4_TEXT_PATH: &str = "src/v4/std/text.dag";
-
-    fn push_named_decl(
-        dag: &mut Dag,
-        name: &str,
-        connective: TypeConnective,
-        file: &str,
-    ) -> DeclarationId {
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: Some(name.to_string()),
-            connective,
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span(file),
-        });
-        id
-    }
-
-    fn push_anonymous_decl(dag: &mut Dag, connective: TypeConnective, file: &str) -> DeclarationId {
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: None,
-            connective,
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span(file),
-        });
-        id
-    }
-
-    fn push_disj_type(
-        dag: &mut Dag,
-        name: &str,
-        file: &str,
-        variants: &[(&str, DeclarationId)],
-    ) -> DeclarationId {
-        push_named_decl(
-            dag,
-            name,
-            TypeConnective::Disj {
-                variants: variants
-                    .iter()
-                    .map(|(label, ty)| Field {
-                        label: (*label).to_string(),
-                        ty: *ty,
-                    })
-                    .collect(),
-            },
-            file,
-        )
-    }
-
-    fn push_conj_type(
-        dag: &mut Dag,
-        name: &str,
-        file: &str,
-        fields: &[(&str, DeclarationId)],
-    ) -> DeclarationId {
-        push_named_decl(
-            dag,
-            name,
-            TypeConnective::Conj {
-                children: fields
-                    .iter()
-                    .map(|(label, ty)| Field {
-                        label: (*label).to_string(),
-                        ty: *ty,
-                    })
-                    .collect(),
-            },
-            file,
-        )
-    }
-
-    fn push_list_instantiation(
-        dag: &mut Dag,
-        list_template: DeclarationId,
-        elem: DeclarationId,
-        file: &str,
-    ) -> DeclarationId {
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: None,
-            connective: TypeConnective::Instantiation {
-                template: list_template,
-                arguments: vec![TemplateArgument {
-                    parameter: list_template,
-                    value: elem,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span(file),
-        });
-        id
-    }
-
-    fn wire_free_monoid_variant_constructors(
-        dag: &mut Dag,
-        free_monoid: DeclarationId,
-        elem: DeclarationId,
-        file: &str,
-    ) {
-        let TypeConnective::Disj { variants } = dag.declaration(free_monoid).connective.clone()
-        else {
-            panic!("FreeMonoid must be a sum type");
-        };
-        for label in ["Empty", "Cons"] {
-            let arm_ty = variants
-                .iter()
-                .find(|variant| variant.label == label)
-                .expect(label)
-                .ty;
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template: arm_ty,
-                    arguments: vec![TemplateArgument {
-                        parameter: arm_ty,
-                        value: elem,
-                    }],
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span(file),
-            });
-        }
-    }
-
-    /// Hermetic v4 std carrier stubs (authority-qualified by `span.file` suffix).
-    ///
-    /// Avoids `compile_to_dag_modules_in_order` on `diagnostic.dag` fn bodies (R3 Gap 9) while
-    /// exercising the same `v4_carrier_*` lookup paths used by python eval dispatch reification.
-    fn dag_with_hermetic_v4_emit_host_carriers() -> Dag {
-        let mut dag = Dag::new();
-        let bit_ty = push_named_decl(
-            &mut dag,
-            "Bit",
-            TypeConnective::Atom(AtomPayload::TypeParam("Bit".to_string())),
-            V4_MACHINE_PATH,
-        );
-        let symbol_ty = push_named_decl(
-            &mut dag,
-            "Symbol",
-            TypeConnective::Atom(AtomPayload::TypeParam("Symbol".to_string())),
-            V4_DIAGNOSTIC_PATH,
-        );
-        let node_ty = push_named_decl(
-            &mut dag,
-            "Node",
-            TypeConnective::Atom(AtomPayload::TypeParam("Node".to_string())),
-            V4_DIAGNOSTIC_PATH,
-        );
-        let _diagnostic_ty = push_conj_type(
-            &mut dag,
-            "Diagnostic",
-            V4_DIAGNOSTIC_PATH,
-            &[
-                ("reason", symbol_ty),
-                ("at", node_ty),
-                ("correction", node_ty),
-            ],
-        );
-        let external_contract_unknown = push_anonymous_decl(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam(
-                "ExternalContractUnknown".to_string(),
-            )),
-            V4_DIAGNOSTIC_PATH,
-        );
-        let _no_correction_reason = push_disj_type(
-            &mut dag,
-            "NoCorrectionReason",
-            V4_DIAGNOSTIC_PATH,
-            &[("ExternalContractUnknown", external_contract_unknown)],
-        );
-        let _correction = push_disj_type(
-            &mut dag,
-            "Correction",
-            V4_DIAGNOSTIC_PATH,
-            &[("Unavailable", external_contract_unknown)],
-        );
-        let _locus = push_disj_type(
-            &mut dag,
-            "Locus",
-            V4_DIAGNOSTIC_PATH,
-            &[("PortLocus", external_contract_unknown)],
-        );
-        let _diagnostics = push_disj_type(
-            &mut dag,
-            "Diagnostics",
-            V4_DIAGNOSTIC_PATH,
-            &[("None", external_contract_unknown)],
-        );
-        let _outcome = push_disj_type(
-            &mut dag,
-            "Outcome",
-            V4_DIAGNOSTIC_PATH,
-            &[
-                ("Accepted", external_contract_unknown),
-                ("Rejected", external_contract_unknown),
-            ],
-        );
-        let holds_payload = push_conj_type(
-            &mut dag,
-            "WitnessHolds",
-            V4_WITNESS_PATH,
-            &[("value", external_contract_unknown)],
-        );
-        let violates_payload = push_conj_type(
-            &mut dag,
-            "WitnessViolates",
-            V4_WITNESS_PATH,
-            &[("diagnostic", external_contract_unknown)],
-        );
-        push_disj_type(
-            &mut dag,
-            "Witness",
-            V4_WITNESS_PATH,
-            &[("Holds", holds_payload), ("Violates", violates_payload)],
-        );
-        let byte_ty = push_named_decl(
-            &mut dag,
-            "Byte",
-            TypeConnective::Atom(AtomPayload::TypeParam("Byte".to_string())),
-            V4_MACHINE_PATH,
-        );
-        let string_ty = push_named_decl(
-            &mut dag,
-            "String",
-            TypeConnective::Atom(AtomPayload::TypeParam("String".to_string())),
-            V4_TEXT_PATH,
-        );
-        let empty_arm = push_anonymous_decl(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("FreeMonoidEmpty".to_string())),
-            V4_ALGEBRA_PATH,
-        );
-        let elem_param = push_anonymous_decl(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            V4_ALGEBRA_PATH,
-        );
-        let tail_param = push_anonymous_decl(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("FreeMonoidTail".to_string())),
-            V4_ALGEBRA_PATH,
-        );
-        let cons_payload = push_conj_type(
-            &mut dag,
-            "FreeMonoidCons",
-            V4_ALGEBRA_PATH,
-            &[("head", elem_param), ("tail", tail_param)],
-        );
-        let free_monoid = push_disj_type(
-            &mut dag,
-            "FreeMonoid",
-            V4_ALGEBRA_PATH,
-            &[("Empty", empty_arm), ("Cons", cons_payload)],
-        );
-        let list_template = push_named_decl(
-            &mut dag,
-            "List",
-            TypeConnective::Atom(AtomPayload::TypeParam("List".to_string())),
-            V4_COLLECTION_PATH,
-        );
-        let diagnostic_ty = dag
-            .declarations()
-            .iter()
-            .find(|decl| {
-                decl.name.as_deref() == Some("Diagnostic")
-                    && decl.span.file.ends_with(V4_DIAGNOSTIC_PATH)
-            })
-            .expect("Diagnostic stub")
-            .id;
-        for elem in [bit_ty, byte_ty, string_ty, diagnostic_ty] {
-            push_list_instantiation(&mut dag, list_template, elem, V4_COLLECTION_PATH);
-            wire_free_monoid_variant_constructors(&mut dag, free_monoid, elem, V4_ALGEBRA_PATH);
-        }
-        dag
-    }
-
-    fn dag_with_v4_emit_host_carrier_authorities() -> Dag {
-        dag_with_hermetic_v4_emit_host_carriers()
-    }
-
-    #[test]
-    fn emit_host_fixture_inputs_projects_distinct_claim_and_expected_roots() {
-        let dag = Dag::new();
-        let inputs = Value::RecordValue(vec![
-            NamedField {
-                label: "root".to_string(),
-                value: Value::LiteralValue(LiteralBits::String("claim_pin".to_string())),
-            },
-            NamedField {
-                label: "expected_eval_root".to_string(),
-                value: optional_present_value(
-                    &dag,
-                    Value::LiteralValue(LiteralBits::String("expected_eval_pin".to_string())),
-                ),
-            },
-        ]);
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        let pins =
-            emit_host_fixture_inputs(&dag, &inputs, &mut state, &strategy).expect("Inputs pins");
-        assert_eq!(pins.claim_input_root, "claim_pin");
-        assert_eq!(pins.expected_eval_root, "expected_eval_pin");
-    }
-
-    #[test]
-    fn emit_host_fixture_inputs_uses_present_host_claim_pin() {
-        let dag = Dag::new();
-        let inputs = Value::RecordValue(vec![
-            NamedField {
-                label: "root".to_string(),
-                value: Value::LiteralValue(LiteralBits::String("eval_root_pin".to_string())),
-            },
-            NamedField {
-                label: "expected_eval_root".to_string(),
-                value: optional_present_value(
-                    &dag,
-                    Value::LiteralValue(LiteralBits::String("expected_eval_pin".to_string())),
-                ),
-            },
-            NamedField {
-                label: "host_claim_pin".to_string(),
-                value: optional_present_value(
-                    &dag,
-                    Value::LiteralValue(LiteralBits::String("host_claim_pin".to_string())),
-                ),
-            },
-        ]);
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        let pins =
-            emit_host_fixture_inputs(&dag, &inputs, &mut state, &strategy).expect("Inputs pins");
-        assert_eq!(pins.claim_input_root, "host_claim_pin");
-        assert_eq!(pins.expected_eval_root, "expected_eval_pin");
-    }
-
-    #[test]
-    fn v4_witness_variant_resolution_uses_witness_dag_not_dimensions() {
-        let dag = dag_with_v4_emit_host_carrier_authorities();
-        assert!(
-            v4_carrier_variant_tag(&dag, V4_STD_WITNESS_AUTHORITY, "Witness", "Holds").is_ok(),
-            "v4.std.witness.Witness must expose Holds"
-        );
-        assert!(
-            v4_carrier_variant_tag(&dag, V4_STD_WITNESS_AUTHORITY, "Witness", "Inhabits").is_err(),
-            "dimensions.dag Witness must not satisfy Holds lookup"
-        );
-    }
-
-    #[test]
-    fn try_dispatch_emit_host_python_ignores_unrelated_callable() {
-        let mut dag = Dag::empty();
-        let unrelated_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: unrelated_id,
-            name: Some("unrelated_callable".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(
-                "probe".to_string(),
-            )),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("unrelated.dag", 0, 1),
-        });
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        assert!(
-            try_dispatch_emit_host_python(&dag, unrelated_id, &[], &mut state, &strategy).is_none(),
-            "unrelated callable must not intercept eval dispatch"
-        );
-        assert!(
-            try_dispatch_emit_host_python(
-                &dag,
-                DeclarationId::test_raw(999),
-                &[],
-                &mut state,
-                &strategy
-            )
-            .is_none(),
-            "missing declaration must not intercept eval dispatch"
-        );
-    }
-
-    #[test]
-    fn emit_host_transport_inputs_carries_claim_only_at_transport_boundary() {
-        let dag = Dag::new();
-        let inputs = Value::RecordValue(vec![NamedField {
-            label: "root".to_string(),
-            value: Value::LiteralValue(LiteralBits::String("claim_only".to_string())),
-        }]);
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        let pins =
-            emit_host_transport_inputs(&dag, &inputs, &mut state, &strategy).expect("claim pin");
-        assert_eq!(pins.claim_input_root, "claim_only");
-        assert!(
-            emit_host_runner::validate_emit_host_transport_inputs(&pins).is_ok(),
-            "transport validation must accept claim-only pins"
-        );
-    }
-
-    #[test]
-    fn emit_host_fixture_inputs_rejects_missing_root_field() {
-        let inputs = Value::RecordValue(vec![NamedField {
-            label: "not_root".to_string(),
-            value: Value::LiteralValue(LiteralBits::String("x".to_string())),
-        }]);
-        let dag = Dag::new();
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        let err = emit_host_transport_inputs(&dag, &inputs, &mut state, &strategy).unwrap_err();
-        assert!(matches!(
-            err,
-            EvalError::BadTransformOperands {
-                reason: "expected Inputs.root field"
-            }
-        ));
-    }
-
-    #[test]
-    fn emit_host_fixture_inputs_rejects_non_record_operand() {
-        let dag = Dag::new();
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        let err = emit_host_transport_inputs(
-            &dag,
-            &Value::LiteralValue(LiteralBits::String("not_inputs".to_string())),
-            &mut state,
-            &strategy,
-        )
-        .unwrap_err();
-        assert!(matches!(
-            err,
-            EvalError::BadTransformOperands {
-                reason: "expected Inputs record"
-            }
-        ));
-    }
-
-    /// Five-byte MVP-2 stdout (same contract as `v4_emit_host_harness_test`).
-    const EVAL_DISPATCH_PYTHON_FIXTURE: &str =
-        "import sys\nsys.stdout.buffer.write(b'\\x00' * 5)\n";
-
-    fn run_emit_host_python_decl(dag: &mut Dag) -> DeclarationId {
-        let callee_decl = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: callee_decl,
-            name: Some("run_emit_host_python".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(
-                "run_emit_host_python".to_string(),
-            )),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("src/v4/compiler/emit_host.dag", 207, 216),
-        });
-        callee_decl
-    }
-
-    fn eval_dispatch_operands() -> [Value; 3] {
-        [
-            Value::LiteralValue(LiteralBits::String("eval_target_stub".to_string())),
-            Value::LiteralValue(LiteralBits::String(
-                EVAL_DISPATCH_PYTHON_FIXTURE.to_string(),
-            )),
-            Value::RecordValue(vec![NamedField {
-                label: "root".to_string(),
-                value: Value::LiteralValue(LiteralBits::String("eval_claim_root".to_string())),
-            }]),
-        ]
-    }
-
-    #[test]
-    fn try_dispatch_emit_host_python_reifies_accepted_receipt_for_pass_fixture() {
-        let mut dag = dag_with_hermetic_v4_emit_host_carriers();
-        let callee_decl = run_emit_host_python_decl(&mut dag);
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        let operands = eval_dispatch_operands();
-        let result =
-            try_dispatch_emit_host_python(&dag, callee_decl, &operands, &mut state, &strategy)
-                .expect("python dispatch must claim emit_host.dag row")
-                .expect("python dispatch must succeed for pass fixture");
-        let Value::VariantValue { tag, payload } = &result else {
-            panic!("expected Outcome variant, got {result:?}");
-        };
-        assert_eq!(
-            v4_carrier_variant_tag(&dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Outcome", "Accepted")
-                .expect("Outcome::Accepted"),
-            *tag
-        );
-        let Value::RecordValue(outcome_fields) = &**payload else {
-            panic!("expected Accepted payload record");
-        };
-        let Value::RecordValue(receipt_fields) = &outcome_fields
-            .iter()
-            .find(|field| field.label == "value")
-            .expect("Accepted.value")
-            .value
-        else {
-            panic!("expected EmitHostRunReceipt record");
-        };
-        let source = receipt_fields
-            .iter()
-            .find(|field| field.label == "source_text")
-            .expect("receipt.source_text")
-            .value
-            .clone();
-        assert_eq!(
-            source,
-            Value::LiteralValue(LiteralBits::String(
-                EVAL_DISPATCH_PYTHON_FIXTURE.to_string()
-            ))
-        );
-    }
-
-    #[test]
-    fn run_emit_host_python_eval_dispatch_via_evaluator_callable_transform() {
-        use crate::dag::TransformTarget;
-        use crate::evaluator::{
-            eval_node, EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder,
-        };
-
-        let mut dag = dag_with_hermetic_v4_emit_host_carriers();
-        let callee_decl = run_emit_host_python_decl(&mut dag);
-        let span = SourceSpan::new("emit_host_eval_dispatch_test.v3", 0, 1);
-        let target_port = dag.alloc_port(None);
-        let source_port = dag.alloc_port(None);
-        let inputs_port = dag.alloc_port(None);
-        let call_output = dag.push_transform(
-            TransformTarget::Callable(callee_decl),
-            vec![target_port, source_port, inputs_port],
-            span.clone(),
-        );
-        let entry = dag
-            .port(call_output)
-            .produced_by
-            .expect("callable transform must produce output port");
-        let operands = eval_dispatch_operands();
-        let frame = EvalFrame::from_bindings([
-            (target_port, operands[0].clone()),
-            (source_port, operands[1].clone()),
-            (inputs_port, operands[2].clone()),
-        ])
-        .expect("eval operand bindings");
-        let mut state = EvalStateStack::with_root_frame(frame);
-        let strategy = EvalStrategy::ApplicativeOrder {
-            input_order: InputEvaluationOrder::LeftFirst,
-        };
-
-        let via_eval = eval_node(&dag, entry, &mut state, &strategy).expect("eval dispatch");
-        assert_eq!(
-            state.frames_outer_to_inner().len(),
-            1,
-            "eval frame must pop"
-        );
-
-        let Value::VariantValue { tag, payload } = &via_eval else {
-            panic!("expected Outcome variant, got {via_eval:?}");
-        };
-        assert_eq!(
-            v4_carrier_variant_tag(&dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Outcome", "Accepted")
-                .expect("v4.std.diagnostic.Outcome::Accepted"),
-            *tag,
-            "evaluator Callable dispatch must reify Accepted host receipt"
-        );
-        let Value::RecordValue(outcome_fields) = &**payload else {
-            panic!("expected Accepted payload record");
-        };
-        let Value::RecordValue(receipt_fields) = &outcome_fields
-            .iter()
-            .find(|field| field.label == "value")
-            .expect("Accepted.value")
-            .value
-        else {
-            panic!("expected EmitHostRunReceipt record");
-        };
-        let source = receipt_fields
-            .iter()
-            .find(|field| field.label == "source_text")
-            .expect("receipt.source_text")
-            .value
-            .clone();
-        assert_eq!(
-            source,
-            Value::LiteralValue(LiteralBits::String(
-                EVAL_DISPATCH_PYTHON_FIXTURE.to_string()
-            )),
-            "eval dispatch must invoke emit_host_runner with the source operand"
-        );
-    }
-
-    #[test]
-    fn emit_host_fixture_inputs_rejects_malformed_host_claim_pin() {
-        let dag = Dag::new();
-        let inputs = Value::RecordValue(vec![
-            NamedField {
-                label: "root".to_string(),
-                value: Value::LiteralValue(LiteralBits::String("eval_root_pin".to_string())),
-            },
-            NamedField {
-                label: "expected_eval_root".to_string(),
-                value: optional_present_value(
-                    &dag,
-                    Value::LiteralValue(LiteralBits::String("expected_eval_pin".to_string())),
-                ),
-            },
-            NamedField {
-                label: "host_claim_pin".to_string(),
-                value: Value::LiteralValue(LiteralBits::String("not_optional".to_string())),
-            },
-        ]);
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-        let err = emit_host_fixture_inputs(&dag, &inputs, &mut state, &strategy)
-            .expect_err("malformed host_claim_pin must fail closed");
-        assert_eq!(
-            err,
-            EvalError::BadTransformOperands {
-                reason: "expected Inputs optional field to be Optional variant"
-            }
-        );
-    }
-
-    #[test]
-    fn host_setup_failure_reason_maps_variant() {
-        assert_eq!(
-            host_setup_failure_reason(&HostSetupFailure::EmptyClaimInputRoot),
-            "emit_host_setup_empty_claim_input_root"
-        );
-    }
-
-    #[test]
-    fn go_eval_dispatch_claims_only_emit_host_authority_decl() {
-        let mut dag = Dag::new();
-        let go_decl = run_emit_host_decl(
-            &mut dag,
-            "run_emit_host_go",
-            "src/v4/compiler/emit_host.dag",
-        );
-        let lookalike_decl =
-            run_emit_host_decl(&mut dag, "run_emit_host_go", "src/v4/compiler/other.dag");
-        let rust_decl = run_emit_host_decl(
-            &mut dag,
-            "run_emit_host_rust",
-            "src/v4/compiler/emit_host.dag",
-        );
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-
-        let claimed =
-            try_dispatch_emit_host_go(&dag, go_decl, &[], &mut state, &strategy).expect("claimed");
-        assert_eq!(
-            claimed,
-            Err(EvalError::TransformArityMismatch {
-                expected: 3,
-                got: 0
-            }),
-            "the Go hook must claim the substrate run_emit_host_go declaration before user-body eval"
-        );
-        assert!(
-            try_dispatch_emit_host_go(&dag, lookalike_decl, &[], &mut state, &strategy).is_none(),
-            "same-name declarations outside emit_host.dag must not be intercepted"
-        );
-        assert!(
-            try_dispatch_emit_host_go(&dag, rust_decl, &[], &mut state, &strategy).is_none(),
-            "run_emit_host_rust must stay on the Rust dispatch hook"
-        );
-    }
-
-    fn substrate_arrow_fn_decl(
-        dag: &mut Dag,
-        name: &str,
-        inputs: Vec<DeclarationId>,
-        file: &str,
-    ) -> DeclarationId {
-        let output = atom_decl(dag, "OutcomeStub", file);
-        let body_value = dag.push_value(LiteralBits::Bool(false), span(file));
-        let bind = dag.push_bind(
-            "transport_not_wired_body",
-            body_value,
-            Vec::new(),
-            span(file),
-        );
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: Some(name.to_string()),
-            connective: TypeConnective::Arrow {
-                inputs,
-                output,
-                body: ArrowBody::UserDefined(
-                    BindNodeId::from_bind_node(dag, bind).expect("bind body"),
-                ),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span(file),
-        });
-        id
-    }
-
-    fn run_host_process_decl(dag: &mut Dag, file: &str) -> DeclarationId {
-        let descriptor = atom_decl(dag, "HostTransportDescriptor", file);
-        let target = atom_decl(dag, "TargetModel", file);
-        let source = atom_decl(dag, "TargetSource", file);
-        let inputs = atom_decl(dag, "Inputs", file);
-        substrate_arrow_fn_decl(
-            dag,
-            "run_host_process",
-            vec![descriptor, target, source, inputs],
-            file,
-        )
-    }
-
-    fn runtime_value_signed_i32_le_as_int_decl(dag: &mut Dag, file: &str) -> DeclarationId {
-        let runtime_value = atom_decl(dag, "RuntimeValue", file);
-        substrate_arrow_fn_decl(
-            dag,
-            "runtime_value_signed_i32_le_as_int",
-            vec![runtime_value],
-            file,
-        )
-    }
-
-    fn signed_i32_le_runtime_value_operand(dag: &Dag, n: i32) -> Value {
-        let bytes = byte_string_value(dag, &n.to_le_bytes()).expect("byte string");
-        let prim_value = Value::RecordValue(vec![
-            NamedField {
-                label: "primitive_type".to_string(),
-                value: Value::RecordValue(vec![]),
-            },
-            NamedField {
-                label: "bytes".to_string(),
-                value: bytes,
-            },
-        ]);
-        Value::VariantValue {
-            tag: DeclarationId::test_raw(99),
-            payload: Box::new(Value::RecordValue(vec![NamedField {
-                label: "value".to_string(),
-                value: prim_value,
-            }])),
-        }
-    }
-
-    #[test]
-    fn b3_run_host_process_eval_dispatch_claims_only_emit_host_authority() {
-        let mut dag = Dag::new();
-        let proc_decl = run_host_process_decl(&mut dag, "src/v4/compiler/emit_host.dag");
-        let lookalike_decl = run_host_process_decl(&mut dag, "src/v4/compiler/other.dag");
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-
-        let claimed = try_dispatch_run_host_process(&dag, proc_decl, &[], &mut state, &strategy)
-            .expect("run_host_process hook must claim emit_host.dag row");
-        assert_eq!(
-            claimed,
-            Err(EvalError::TransformArityMismatch {
-                expected: 4,
-                got: 0
-            }),
-            "hook must claim before arity validation"
-        );
-        assert!(
-            try_dispatch_run_host_process(&dag, lookalike_decl, &[], &mut state, &strategy)
-                .is_none(),
-            "same-name declarations outside emit_host.dag must not be intercepted"
-        );
-    }
-
-    #[test]
-    fn b3_runtime_value_signed_i32_le_as_int_eval_dispatch_reifies_five() {
-        let mut dag = dag_with_hermetic_v4_emit_host_carriers();
-        let callee_decl =
-            runtime_value_signed_i32_le_as_int_decl(&mut dag, "src/v4/compiler/emit_host.dag");
-        let operand = signed_i32_le_runtime_value_operand(&dag, 5);
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-
-        let result = try_dispatch_runtime_value_signed_i32_le_as_int(
-            &dag,
-            callee_decl,
-            &[operand],
-            &mut state,
-            &strategy,
-        )
-        .expect("SignedI32Le hook must claim emit_host.dag row")
-        .expect("four-byte LE payload must reify");
-
-        let Value::VariantValue { tag, payload } = &result else {
-            panic!("expected Outcome variant, got {result:?}");
-        };
-        assert_eq!(
-            v4_carrier_variant_tag(&dag, V4_STD_DIAGNOSTIC_AUTHORITY, "Outcome", "Accepted")
-                .expect("Accepted tag"),
-            *tag
-        );
-        let Value::RecordValue(outcome_fields) = &**payload else {
-            panic!("expected Accepted payload record");
-        };
-        let value_field = outcome_fields
-            .iter()
-            .find(|field| field.label == "value")
-            .expect("Accepted.value");
-        assert_eq!(
-            value_field.value,
-            Value::LiteralValue(LiteralBits::Int("5".to_string()))
-        );
-    }
-
-    #[test]
-    fn b3_runtime_value_signed_i32_le_as_int_claims_only_emit_host_authority() {
-        let mut dag = Dag::new();
-        let decl =
-            runtime_value_signed_i32_le_as_int_decl(&mut dag, "src/v4/compiler/emit_host.dag");
-        let lookalike =
-            runtime_value_signed_i32_le_as_int_decl(&mut dag, "src/v4/compiler/other.dag");
-        let mut state = empty_eval_state();
-        let strategy = applicative_strategy();
-
-        let claimed =
-            try_dispatch_runtime_value_signed_i32_le_as_int(&dag, decl, &[], &mut state, &strategy)
-                .expect("hook must claim emit_host.dag row");
-        assert_eq!(
-            claimed,
-            Err(EvalError::TransformArityMismatch {
-                expected: 1,
-                got: 0
-            })
-        );
-        assert!(try_dispatch_runtime_value_signed_i32_le_as_int(
-            &dag,
-            lookalike,
-            &[],
-            &mut state,
-            &strategy
-        )
-        .is_none());
-    }
-}
diff --git a/src/v3/compiler/src/emit_rust.rs b/src/v3/compiler/src/emit_rust.rs
deleted file mode 100644
index 74696ee5122..00000000000
--- a/src/v3/compiler/src/emit_rust.rs
+++ /dev/null
@@ -1,2 +0,0 @@
-pub use crate::emit::rust_target::{EmitError, RealizationCategory, SubstrateMarkerRole};
-pub use crate::emit::{emit_rust_module_text as emit_rust_module, emit_rust_text as emit_rust};
diff --git a/src/v3/compiler/src/emit_rust_bin_shim.rs b/src/v3/compiler/src/emit_rust_bin_shim.rs
deleted file mode 100644
index 3168e8fe4a3..00000000000
--- a/src/v3/compiler/src/emit_rust_bin_shim.rs
+++ /dev/null
@@ -1,92 +0,0 @@
-//! PB-1 — Rust `main.rs` shell for generated `[[bin]]` shims (Item 5).
-//!
-//! **SG-0 / bounded-seed receipt:** hand-authored path is enumerated in
-//! `EXPECTED_HAND_AUTHORED_NON_TEST` in `sg0_census_test.rs` (not
-//! `GENERATED_FILES` / `build.rs` output). Narrow host helper for §4.2 shell
-//! text only; see `docs/invariants/bounded-substrate-seed.md` (no new
-//! substrate primitive — mirrors existing `std.process.ProcessExit`).
-//!
-//! Authority: `docs/design-pb-runtime-interpreter.md` §4.2 (`main` →
-//! `ProcessExit` → `ExitCode`). This module owns **parameterized Rust text**
-//! only: it does not resolve `BinShim.entry` `DeclarationRef` targets (row-#1
-//! / host bridge gap — STOP there) and does not wire `cargo`/build.rs.
-
-/// Formats the `main.rs` wrapper for a `.dag`-authored bin shim.
-///
-/// `source_dag_path` is emitted verbatim in the `AUTO-GENERATED` header (one
-/// line). `description` is split into `//` comment lines. `entry_fn_qname` is
-/// the Rust-qualified symbol for the `.dag` entry function returning
-/// [`crate::process_exit::ProcessExit`].
-pub fn format_bin_shim_main_rs(
-    source_dag_path: &str,
-    description: &str,
-    entry_fn_qname: &str,
-) -> String {
-    let mut out = String::new();
-    out.push_str("// AUTO-GENERATED from ");
-    out.push_str(source_dag_path);
-    out.push_str(" — DO NOT EDIT.\n//\n");
-    if description.is_empty() {
-        out.push_str("//\n");
-    } else {
-        for line in description.lines() {
-            out.push_str("// ");
-            out.push_str(line);
-            out.push('\n');
-        }
-    }
-    out.push_str(
-        r#"
-use std::io::Write;
-use std::process::ExitCode;
-
-use v3_compiler::dag::Dag;
-use v3_compiler::process_exit::ProcessExit;
-
-fn main() -> ExitCode {
-    match "#,
-    );
-    out.push_str(entry_fn_qname);
-    out.push_str(
-        r#"(&Dag::new()) {
-        ProcessExit::ExitSuccess => ExitCode::SUCCESS,
-        ProcessExit::ExitFailure { code, reason } => {
-            let _ = writeln!(std::io::stderr(), "{reason}");
-            // Fail-closed: `ExitFailure` must not map to a successful host exit.
-            // Non-positive or out-of-range codes remap into 1..=255 (see dsl/std/process.dag).
-            ExitCode::from((code.max(1).min(255)) as u8)
-        }
-    }
-}
-"#,
-    );
-    out
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn format_bin_shim_main_rs_includes_header_entry_and_process_exit() {
-        let out = format_bin_shim_main_rs(
-            "dsl/std/runtime/bin_shims/regen_lens.dag",
-            "Unified lens-regen driver.",
-            "std::runtime::bin_shims::regen_lens::regen_lens_main",
-        );
-        assert!(out.contains(
-            "// AUTO-GENERATED from dsl/std/runtime/bin_shims/regen_lens.dag — DO NOT EDIT."
-        ));
-        assert!(out.contains("// Unified lens-regen driver."));
-        assert!(out.contains("use v3_compiler::process_exit::ProcessExit;"));
-        assert!(out.contains("code.max(1).min(255)"));
-        assert!(!out.contains("code.clamp(0, 255)"));
-        assert!(out.contains("std::runtime::bin_shims::regen_lens::regen_lens_main(&Dag::new())"));
-    }
-
-    #[test]
-    fn format_bin_shim_main_rs_multiline_description() {
-        let out = format_bin_shim_main_rs("path/to/shim.dag", "line1\nline2", "m::f");
-        assert!(out.contains("// line1\n// line2\n"));
-    }
-}
diff --git a/src/v3/compiler/src/emit_rust_roundtrip_fixtures.rs b/src/v3/compiler/src/emit_rust_roundtrip_fixtures.rs
deleted file mode 100644
index fb87ac7c15a..00000000000
--- a/src/v3/compiler/src/emit_rust_roundtrip_fixtures.rs
+++ /dev/null
@@ -1,175 +0,0 @@
-//! Emit Rust / omni round-trip fixture tables shared by the host `#[test]`
-//! harnesses (`m1_3_*`, `m1_5_*`) and R1C-E `r1c_e_gates::check_*` (the
-//! `r1c_e_emit_gates` `ExecuteCommand` bin). **Single source of truth** for
-//! `PROGRAM_FIXTURES` / `REFLECTED_FIXTURES` (was `tests/.../determinism_fixtures`
-//! + `m1_3` locals).
-
-/// Self-contained program sources (compile as full programs).
-pub struct ProgramFixture {
-    pub name: &'static str,
-    pub source: &'static str,
-    /// Expected stdout from the compiled binary (exact string equality).
-    pub expected_stdout: &'static str,
-}
-
-pub const PROGRAM_FIXTURES: &[ProgramFixture] = &[
-    ProgramFixture {
-        name: "list_fold_six",
-        source: "let total: Int = fold(cons(1, cons(2, singleton(3))), 0, |acc, x| acc + x)",
-        expected_stdout: "6",
-    },
-    ProgramFixture {
-        name: "generic_list_fold_one",
-        source: "let total: Int = fold(singleton(1), 0, |acc, x| acc + x)",
-        expected_stdout: "1",
-    },
-    ProgramFixture {
-        name: "list_map_then_fold_twelve",
-        source: "let total: Int = fold(map(cons(1, cons(2, singleton(3))), |x| x * 2), 0, |acc, x| acc + x)",
-        expected_stdout: "12",
-    },
-    ProgramFixture {
-        name: "list_filter_then_fold_seven",
-        source: "let total: Int = fold(filter(cons(1, cons(2, cons(3, singleton(4)))), |x| x > 2), 0, |acc, x| acc + x)",
-        expected_stdout: "7",
-    },
-    ProgramFixture {
-        name: "nested_list_builtins_inside_lambda_six",
-        source: "let total: Int = fold(cons(1, singleton(2)), 0, |acc, x| acc + fold(map(singleton(x), |y| y * 2), 0, |n, y| n + y))",
-        expected_stdout: "6",
-    },
-    ProgramFixture {
-        name: "user_function_call_three",
-        source: "fn add(a: Int, b: Int) -> Int = a + b\nlet total: Int = add(1, 2)",
-        expected_stdout: "3",
-    },
-    ProgramFixture {
-        name: "recursive_function_call_six",
-        source: "fn count_down(n: Int) -> Int = if n == 0 then 0 else n + count_down(n - 1)\nlet total: Int = count_down(3)",
-        expected_stdout: "6",
-    },
-    ProgramFixture {
-        name: "record_literal_through_function_one",
-        source: "type Point { x: Int y: Int }\nfn x_of(p: Point) -> Int = p.x\nlet total: Int = x_of({ x: 1, y: 2 })",
-        expected_stdout: "1",
-    },
-    ProgramFixture {
-        name: "user_sum_match_zero",
-        source: "type Sign = Plus | Minus\nfn classify(s: Sign) -> Int = match s { Plus => 0, Minus => 1 }\nlet total: Int = classify(Plus)",
-        expected_stdout: "0",
-    },
-];
-
-/// Module-shaped sources for `emit_module` determinism (reflected harness matrix).
-pub struct ModuleFixture {
-    pub name: &'static str,
-    /// Surface module body (lowers to a module fragment; consumed by `emit_rust_module`).
-    pub source: &'static str,
-}
-
-// --- DB-8 module surface: one `const` per row so `REFLECTED_FIXTURES` can borrow it. ---
-
-const MODULE_NODE_COUNT: ModuleFixture = ModuleFixture {
-    name: "node_count",
-    source: "fn node_count(d: Dag) -> Int = fold(d.nodes, 0, |n, node| n + 1)",
-};
-
-const MODULE_BIND_COUNT: ModuleFixture = ModuleFixture {
-    name: "bind_count",
-    source: "fn bind_count(d: Dag) -> Int = fold(d.nodes, 0, |n, behavior| match behavior { Value(v) => n, Transform(t) => n, Branch(b) => n, Loop(l) => n, Bind(bind) => n + 1 })",
-};
-
-const MODULE_SINGLETON_SPAN: ModuleFixture = ModuleFixture {
-    name: "singleton_span",
-    source: "fn singleton_span(bind: BindNode) -> List<SourceSpan> = [bind.span]",
-};
-
-const MODULE_RESULT_PORT_IS_PARAM: ModuleFixture = ModuleFixture {
-    name: "result_port_is_param",
-    source:
-        "fn result_port_is_param(bind: BindNode) -> Bool = contains(bind.params, bind.result_port)",
-};
-
-const MODULE_BIND_NAMES: ModuleFixture = ModuleFixture {
-    name: "bind_names",
-    source: "type FoundBind { name: String }\n\
-         fn bind_names(d: Dag) -> List<FoundBind> = \
-           fold(d.nodes, empty(), |acc, behavior| \
-             match behavior { \
-               Value(v) => acc, \
-               Transform(t) => acc, \
-               Branch(b) => acc, \
-               Loop(l) => acc, \
-               Bind(bind) => cons({ name: bind.name }, acc) \
-             })",
-};
-
-pub const MODULE_FIXTURES: &[ModuleFixture] = &[
-    MODULE_NODE_COUNT,
-    MODULE_BIND_COUNT,
-    MODULE_SINGLETON_SPAN,
-    MODULE_RESULT_PORT_IS_PARAM,
-    MODULE_BIND_NAMES,
-];
-
-/// On-disk four-fixture pressure suite (Lane 6 / dependency design).
-pub const FOUR_FIXTURE_FILES: &[&str] = &["id.v3", "drop.v3", "wrap.v3", "is_empty.v3"];
-
-/// `PROGRAM_FIXTURES` entries excluded from per-target 5× determinism.
-/// Empty: Go `Behavior::Loop` emission landed in PR #692.
-pub const GO_EMIT_EXCLUDE: &[&str] = &[];
-
-/// Program fixtures excluded from Python 5× determinism.
-/// Empty: Python `Behavior::Loop` emission landed in PR #692.
-pub const PYTHON_EMIT_EXCLUDE: &[&str] = &[];
-
-// ── Reflected batched-harness matrix (m1_3 + R1C-E) ─────────────────────────
-
-/// Expected output shape for a reflected-module roundtrip fixture.
-pub enum ReflectedExpected {
-    /// Exact stdout string (trimmed).
-    Exact(&'static str),
-    /// Any positive integer (used for `node_count`, whose exact value is not pinned).
-    PositiveInt,
-}
-
-/// One reflected-module `rustc` roundtrip: the module surface is **only** in
-/// [`ModuleFixture::source`]; this row adds the wrapper that imports `v3_compiler`
-/// at runtime and the expected stdout. Points at the same `const` as
-/// [`MODULE_FIXTURES`] (no duplicate `source` text).
-pub struct ReflectedFixture {
-    pub module: &'static ModuleFixture,
-    pub wrapper_body: &'static str,
-    pub expected_stdout: ReflectedExpected,
-}
-
-pub const REFLECTED_FIXTURES: &[ReflectedFixture] = &[
-    ReflectedFixture {
-        module: &MODULE_NODE_COUNT,
-        wrapper_body: "let dag = v3_compiler::compile_to_dag(\"let x: Int = 1\\nlet y: Int = x + 2\", \"runtime_reflection.v3\").expect(\"compiles\"); node_count(&dag)",
-        expected_stdout: ReflectedExpected::PositiveInt,
-    },
-    ReflectedFixture {
-        module: &MODULE_BIND_COUNT,
-        // Subtract the bootstrap baseline so the test still pins the
-        // user-program bind count after Lane 2 Stage 2d std-module binds.
-        wrapper_body: "let dag = v3_compiler::compile_to_dag(\"let x: Int = 1\\nlet y: Int = x + 2\", \"runtime_reflection.v3\").expect(\"compiles\"); let baseline = v3_compiler::dag::Dag::new(); bind_count(&dag) - bind_count(&baseline)",
-        expected_stdout: ReflectedExpected::Exact("2"),
-    },
-    ReflectedFixture {
-        module: &MODULE_SINGLETON_SPAN,
-        wrapper_body: "let dag = v3_compiler::compile_to_dag(\"let x: Int = 1\\nlet y: Int = x + 2\", \"runtime_reflection.v3\").expect(\"compiles\"); let bind = dag.nodes().iter().find_map(|node| match node { v3_compiler::dag::Behavior::Bind(bind) => Some(bind.clone()), _ => None }).expect(\"bind\"); singleton_span(&bind).len() as i64",
-        expected_stdout: ReflectedExpected::Exact("1"),
-    },
-    ReflectedFixture {
-        module: &MODULE_RESULT_PORT_IS_PARAM,
-        wrapper_body: "let dag = v3_compiler::compile_to_dag(\"fn id(x: Int) -> Int = x\", \"runtime_reflection.v3\").expect(\"compiles\"); let bind = dag.nodes().iter().find_map(|node| match node { v3_compiler::dag::Behavior::Bind(bind) if bind.name == \"id\" && bind.emit_participation() == Some(v3_compiler::dag::BindEmitParticipation::UserCallable) => Some(bind.clone()), _ => None }).expect(\"function bind\"); if result_port_is_param(&bind) { 1 } else { 0 }",
-        expected_stdout: ReflectedExpected::Exact("1"),
-    },
-    ReflectedFixture {
-        module: &MODULE_BIND_NAMES,
-        // Same baseline subtraction as `bind_count`.
-        wrapper_body: "let dag = v3_compiler::compile_to_dag(\"let x: Int = 1\\nlet y: Int = x + 2\", \"runtime_reflection.v3\").expect(\"compiles\"); let baseline = v3_compiler::dag::Dag::new(); (bind_names(&dag).len() as i64) - (bind_names(&baseline).len() as i64)",
-        expected_stdout: ReflectedExpected::Exact("2"),
-    },
-];
diff --git a/src/v3/compiler/src/enforced_lens_application.rs b/src/v3/compiler/src/enforced_lens_application.rs
deleted file mode 100644
index 7e0a42d4e52..00000000000
--- a/src/v3/compiler/src/enforced_lens_application.rs
+++ /dev/null
@@ -1,2072 +0,0 @@
-//! Enforced lens applications (`EnforcedApplication` from `lens_application.dag`).
-//!
-//! Gate #91 (`enforce_violation_routing_landed`): budget-violation diagnostics are
-//! routed through the authored `diagnostic_severity` field — today the single
-//! substrate variant `DiagnosticSeverity::Error` maps to [`Diagnostic::ParseError`]
-//! (compile-fail / fail-closed), per `lens_application.dag`, design §3, and
-//! INVARIANTS C-8.
-//!
-//! Future extra `DiagnosticSeverity` constructors stay fail-closed at this consumer until
-//! an intentional substrate + routing co-update assigns their `Diagnostic::*` shape.
-//!
-//! Gate #92 (`complexity_violation_compile_error_demonstrated`): when a program
-//! authors `EnforcedApplication<ComplexitySummary, AsymptoticClass>` referencing
-//! `complexity_enforceable`, infer checks the named section using the **same**
-//! `LensEnforcement` projection + violation relation as `complexity.dag`
-//! (`complexity_enforcement_project` / `complexity_enforcement_violates`, surfaced
-//! through `complexity_lens_generated`) and attaches a compile diagnostic on violation.
-//!
-//! Gate #58 (`apply_lens_self_application_demonstrated`): when a program authors
-//! `EnforcedApplication<TimingMeasurement, TimingBudget, TimingEnforcementProjected>` referencing `timing_enforceable`
-//! (`v3.std.timing_lens`), infer reads the **lowered** `TimingMeasurement` from the
-//! `DeclarationScope` subject's structural `measurement` field **only after** verifying the
-//! subject row's **nominal** `data …: RowTy = …` type declares `measurement: TimingMeasurement`
-//! on `RowTy` (API-level contract; avoids unrelated records that merely spell a `measurement`
-//! label). The same usage ceiling as `timing_enforcement_project` / `timing_enforcement_violates`
-//! in `timing_lens.dag` applies: non-`Observed` reports are enforced via a **variant-shaped**
-//! fault path (never compared as ordinary wall-clock `Nat` against the fault sentinel), while
-//! `Observed` wall-clock nanoseconds use the same strict `>` edge as gate #94 against
-//! `TimingBudget.max`.
-//!
-//! Gate #95 (`opt_in_iteration_parallelism_via_lens_application_demonstrated`): when a program
-//! authors `EnforcedApplication<ParallelismMode, ParallelismMode, ParallelismMode>` referencing
-//! `parallelism_enforceable` (`lenses.parallelism`) with a [`SectionRef::NodeScope`] section, infer
-//! observes **cross-iteration parallel emission** eligibility via authored
-//! [`crate::lens_parallelism::parallelism_iteration_observed_mode`] (`parallelism.dag`) on the scope's
-//! `NodeId` — identical to lens `parallelism_lens.read`'s substrate surface and the staged
-//! `loop_iteration_parallel_emission_indicator`. Budget violations delegate to authored
-//! `parallelism_enforcement_violates` via [`crate::lens_declaration_apply::apply_lens_declaration`];
-//! host code does not remap raw indicator integers independently.
-
-use std::collections::HashMap;
-
-use crate::dag::{
-    literal_decimal_i64, positive_descent_count, ArrowBody, AsymptoticClass, Behavior, Dag,
-    DeclarationId, FieldValue, LiteralBits, Lookup, NodeId, PortId, PositiveDescentAmount,
-    TypeConnective, ValueBody,
-};
-use crate::diagnostics::{Diagnostic, SourceSpan};
-use crate::lens_cost::{
-    complexity_enforcement_project, complexity_enforcement_violates, complexity_of,
-};
-use crate::lens_declaration_apply::{apply_lens_declaration, LensApplyError};
-
-fn diagnostic_severity_substrate_disj(dag: &Dag) -> Option<DeclarationId> {
-    dag.declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("DiagnosticSeverity")
-                && d.span.file.ends_with("lens_application.dag")
-        })
-        .map(|d| d.id)
-}
-
-// Fail-closed when `lens_application.dag` does not expose the expected `DiagnosticSeverity`
-// substrate row — factored so unit tests can pin the diagnostic without staging a full
-// complexity-enforcement DAG (`Dag::new()` omits `complexity_enforceable`).
-fn attach_missing_diagnostic_severity_substrate_diagnostic(
-    dag: &mut Dag,
-    enforced_template: DeclarationId,
-) {
-    dag.attach_diagnostic(Diagnostic::ParseError {
-        message: "lens enforcement: could not resolve substrate `DiagnosticSeverity` from \
-                  `lens_application.dag` (modeled authority missing; fail-closed)"
-            .to_string(),
-        span: dag.declaration(enforced_template).span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "EnforcedLensApplicationDiagnostic",
-        ),
-    });
-}
-
-fn timing_lens_gate_58_retirement_correction() -> crate::diagnostics::Correction {
-    crate::diagnostics::Correction::deferred(
-        "Gate #58 timing enforcement does not yet retain a source span for a safe timing witness rewrite",
-        "R3 Gap 9 row #106 timing-lens diagnostic roundtrip",
-        "thread timing measurement/budget source spans through gate #58 enforcement and replace this scaffold diagnostic with a generated/data-backed LiveCorrection",
-    )
-}
-
-/// Reads `timing_enforcement_fault_sentinel_count` from the lowered `timing_lens.dag` declaration
-/// body (nullary `fn` → bind → [`ValueNode`]), matching substrate authority instead of duplicating
-/// the decimal literal in Rust.
-fn timing_enforcement_fault_sentinel_ns_from_substrate(dag: &Dag) -> Option<u64> {
-    let decl = dag.declarations().iter().find(|d| {
-        d.name.as_deref() == Some("timing_enforcement_fault_sentinel_count")
-            && d.span.file.ends_with("timing_lens.dag")
-    })?;
-    let TypeConnective::Arrow {
-        body: ArrowBody::UserDefined(bind_id),
-        ..
-    } = &decl.connective
-    else {
-        return None;
-    };
-    let bind = (*bind_id).bind_opt(dag)?;
-    let producer = dag.resolve_producer_opt(&bind.value)?;
-    let Behavior::Value(vn) = producer else {
-        return None;
-    };
-    let LiteralBits::Int(s) = &vn.data else {
-        return None;
-    };
-    s.parse().ok()
-}
-
-fn timing_measurement_sum_type_decl_id(dag: &Dag) -> Option<DeclarationId> {
-    dag.declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("TimingMeasurement")
-                && d.span.file.ends_with("timing_lens.dag")
-        })
-        .map(|d| d.id)
-}
-
-fn peel_type_declaration_head(dag: &Dag, mut id: DeclarationId) -> DeclarationId {
-    const MAX: usize = 64;
-    for _ in 0..MAX {
-        match &dag.declaration(id).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                id = *template;
-            }
-            TypeConnective::Atom(ap) => {
-                let Some(next) = ap.resolved_id() else {
-                    break;
-                };
-                id = next;
-            }
-            _ => break,
-        }
-    }
-    id
-}
-
-/// Returns the nominal `RowTy` declaration id for a lowered `data row: RowTy = …` value row.
-fn data_row_nominal_type_decl_id(dag: &Dag, value_decl_id: DeclarationId) -> Option<DeclarationId> {
-    match &dag.declaration(value_decl_id).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if arguments.is_empty() => Some(*template),
-        _ => None,
-    }
-}
-
-/// True when `RowTy` (after alias peel) is a conj that declares `measurement` with type peeling
-/// to the substrate `TimingMeasurement` sum at `tm_disj`.
-fn timing_section_row_type_declares_measurement_tm(
-    dag: &Dag,
-    section_value_decl_id: DeclarationId,
-    tm_disj: DeclarationId,
-) -> bool {
-    let Some(row_ty) = data_row_nominal_type_decl_id(dag, section_value_decl_id) else {
-        return false;
-    };
-    let ty_head = peel_type_declaration_head(dag, row_ty);
-    let TypeConnective::Conj { children } = &dag.declaration(ty_head).connective else {
-        return false;
-    };
-    let tm_head = peel_type_declaration_head(dag, tm_disj);
-    children
-        .iter()
-        .any(|f| f.label == "measurement" && peel_type_declaration_head(dag, f.ty) == tm_head)
-}
-
-/// Lowered `TimingMeasurement` usage for timing `EnforcedApplication` enforcement.
-///
-/// Separates non-evidence variants from `Observed` wall-clock nanoseconds so a legitimate
-/// `Observed` duration equal to the substrate fault sentinel `Nat` cannot be conflated with
-/// `Unobserved` / `Ambiguous` / `Stale` (INVARIANTS P2 / modeling-discipline Practice 2).
-///
-/// Practice 4 (`docs/modeling-discipline.md`, coproduct checkpoint): **GREEN (terminal)** — mirrors
-/// `timing_enforcement_project` / `timing_enforcement_violates` in `timing_lens.dag` on the lowered
-/// `TimingMeasurement` witness (substrate `LensEnforcement.violates` now takes `TimingMeasurement`
-/// × `TimingBudget` per `lens_application.dag`; gate #58 / codex 10994).
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub(crate) enum TimingMeasurementEnforcementUsage {
-    NonObservedFault,
-    ObservedWallNs(u64),
-}
-
-/// Interprets a lowered `TimingMeasurement` value the same way `timing_enforcement_project` does
-/// on the substrate (`timing_lens.dag`): `Observed` → wall-clock nanoseconds; other report variants
-/// classify as [`TimingMeasurementEnforcementUsage::NonObservedFault`] (not as a raw `Nat`).
-fn timing_measurement_enforcement_usage(
-    dag: &Dag,
-    tm_disj: DeclarationId,
-    value: &FieldValue,
-) -> Option<TimingMeasurementEnforcementUsage> {
-    let TypeConnective::Disj { variants } = &dag.declaration(tm_disj).connective else {
-        return None;
-    };
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    let variant = variants.iter().find(|v| v.ty == *constructor)?;
-    match variant.label.as_str() {
-        "Observed" => observed_timing_payload_max_ns(payload)
-            .map(TimingMeasurementEnforcementUsage::ObservedWallNs),
-        "Unobserved" | "Ambiguous" | "Stale" => {
-            Some(TimingMeasurementEnforcementUsage::NonObservedFault)
-        }
-        _ => None,
-    }
-}
-
-/// Same reflexive edge as `timing_enforcement_violates` in `timing_lens.dag` on the lowered witness,
-/// using the same `>` edge as substrate `Observed` enforcement (no `TimingBudget` sentinel equality
-/// on the observed path).
-pub(crate) fn timing_enforcement_violates(
-    declared_max_ns: u64,
-    usage: TimingMeasurementEnforcementUsage,
-) -> bool {
-    match usage {
-        TimingMeasurementEnforcementUsage::NonObservedFault => true,
-        TimingMeasurementEnforcementUsage::ObservedWallNs(ns) => ns > declared_max_ns,
-    }
-}
-
-fn observed_timing_payload_max_ns(payload: &[FieldValue]) -> Option<u64> {
-    let FieldValue::Record(parts) = payload.first()? else {
-        return None;
-    };
-    if let Some((_, v)) = parts.iter().find(|(label, _)| label == "duration") {
-        return field_value_nat_magnitude(v);
-    }
-    field_value_nat_magnitude(&FieldValue::Record(parts.clone()))
-}
-
-fn field_value_nat_magnitude(value: &FieldValue) -> Option<u64> {
-    match value {
-        FieldValue::Literal(LiteralBits::Int(s)) => s.parse().ok(),
-        FieldValue::Record(parts) => parts
-            .iter()
-            .find(|(label, _)| label == "count")
-            .and_then(|(_, v)| field_value_nat_magnitude(v)),
-        _ => None,
-    }
-}
-
-fn field_value_timing_budget_max_ns(value: &FieldValue) -> Option<u64> {
-    let FieldValue::Record(parts) = value else {
-        return None;
-    };
-    let max = parts
-        .iter()
-        .find(|(label, _)| label == "max")
-        .map(|(_, v)| v)?;
-    field_value_nat_magnitude(max)
-}
-
-fn is_timing_enforceable_lens_value(
-    value: &FieldValue,
-    timing_enforceable_id: Option<DeclarationId>,
-    timing_lens_id: Option<DeclarationId>,
-    timing_enforcement_id: Option<DeclarationId>,
-) -> bool {
-    if let (Some(bundle), FieldValue::Reference(id)) = (timing_enforceable_id, value) {
-        if *id == bundle {
-            return true;
-        }
-    }
-    let (Some(lens_id), Some(enforcement_id)) = (timing_lens_id, timing_enforcement_id) else {
-        return false;
-    };
-    let FieldValue::Record(parts) = value else {
-        return false;
-    };
-    let mut lens_ref: Option<DeclarationId> = None;
-    let mut enforcement_ref: Option<DeclarationId> = None;
-    for (label, field) in parts {
-        match (label.as_str(), field) {
-            ("lens", FieldValue::Reference(r)) => lens_ref = Some(*r),
-            ("enforcement", FieldValue::Reference(r)) => enforcement_ref = Some(*r),
-            _ => {}
-        }
-    }
-    lens_ref == Some(lens_id) && enforcement_ref == Some(enforcement_id)
-}
-
-/// Local bookkeeping parallel to authored [`crate::lens_parallelism::ParallelismMode`] for
-/// substrate `apply_lens_declaration` witnesses (DSL sum ↔ [`FieldValue::Variant`]).
-///
-/// Observations must come only from [`crate::lens_parallelism::parallelism_iteration_observed_mode`].
-#[derive(Clone, Copy, Debug, Eq, PartialEq)]
-enum ParallelismIterationBudget {
-    OptInIndependent,
-    Sequential,
-}
-
-fn parallelism_iteration_budget_from_substrate(
-    observed: crate::lens_parallelism::ParallelismMode,
-) -> ParallelismIterationBudget {
-    match observed {
-        crate::lens_parallelism::ParallelismMode::OptInIndependent => {
-            ParallelismIterationBudget::OptInIndependent
-        }
-        crate::lens_parallelism::ParallelismMode::Sequential => {
-            ParallelismIterationBudget::Sequential
-        }
-    }
-}
-
-fn parallelism_mode_disj_decl_id(dag: &Dag) -> Option<DeclarationId> {
-    dag.declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("ParallelismMode") && d.span.file.ends_with("parallelism.dag")
-        })
-        .map(|d| d.id)
-}
-
-fn parallelism_enforcement_violates_decl_id(dag: &Dag) -> Option<DeclarationId> {
-    dag.declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("parallelism_enforcement_violates")
-                && d.span.file.ends_with("parallelism.dag")
-        })
-        .map(|d| d.id)
-}
-
-fn parallelism_iteration_budget_as_variant_field_value(
-    dag: &Dag,
-    pm_disj: DeclarationId,
-    budget: ParallelismIterationBudget,
-) -> Option<FieldValue> {
-    let TypeConnective::Disj { variants } = &dag.declaration(pm_disj).connective else {
-        return None;
-    };
-    let label = match budget {
-        ParallelismIterationBudget::OptInIndependent => "OptInIndependent",
-        ParallelismIterationBudget::Sequential => "Sequential",
-    };
-    let ctor = variants.iter().find(|v| v.label == label)?.ty;
-    Some(FieldValue::Variant {
-        constructor: ctor,
-        payload: Vec::new(),
-    })
-}
-
-fn parallelism_enforcement_violates_via_substrate(
-    dag: &Dag,
-    pm_disj: DeclarationId,
-    observed: ParallelismIterationBudget,
-    declared: ParallelismIterationBudget,
-) -> Result<bool, LensApplyError> {
-    let lens_id = parallelism_enforcement_violates_decl_id(dag).ok_or(
-        LensApplyError::SubstrateReflect("parallelism_enforcement_violates declaration"),
-    )?;
-    let observed_fv = parallelism_iteration_budget_as_variant_field_value(dag, pm_disj, observed)
-        .ok_or(LensApplyError::SubstrateReflect(
-        "ParallelismMode observed variant",
-    ))?;
-    let declared_fv = parallelism_iteration_budget_as_variant_field_value(dag, pm_disj, declared)
-        .ok_or(LensApplyError::SubstrateReflect(
-        "ParallelismMode declared variant",
-    ))?;
-    let out = apply_lens_declaration(dag, None, lens_id, &[observed_fv, declared_fv])?;
-    match out {
-        FieldValue::Literal(LiteralBits::Bool(b)) => Ok(b),
-        _ => Err(LensApplyError::TypeMismatch(
-            "parallelism_enforcement_violates Bool output",
-        )),
-    }
-}
-
-fn section_ref_node_scope_constructor_id(
-    dag: &Dag,
-    section_ref_disj: DeclarationId,
-) -> Option<DeclarationId> {
-    let TypeConnective::Disj { variants } = &dag.declaration(section_ref_disj).connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.label == "NodeScope")
-        .map(|v| v.ty)
-}
-
-fn field_value_parallelism_iteration_budget(
-    dag: &Dag,
-    disj: DeclarationId,
-    value: &FieldValue,
-) -> Option<ParallelismIterationBudget> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    if !payload.is_empty() {
-        return None;
-    }
-    let TypeConnective::Disj { variants } = &dag.declaration(disj).connective else {
-        return None;
-    };
-    let label = variants
-        .iter()
-        .find(|v| v.ty == *constructor)?
-        .label
-        .as_str();
-    match label {
-        "OptInIndependent" => Some(ParallelismIterationBudget::OptInIndependent),
-        "Sequential" => Some(ParallelismIterationBudget::Sequential),
-        _ => None,
-    }
-}
-
-fn resolve_node_scope_section(
-    _dag: &Dag,
-    section: &FieldValue,
-    node_scope_conj: DeclarationId,
-) -> Option<(DeclarationId, NodeId)> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = section
-    else {
-        return None;
-    };
-    if *constructor != node_scope_conj {
-        return None;
-    }
-    let parts: &[(String, FieldValue)] = match payload.as_slice() {
-        [FieldValue::Record(rec)] => rec.as_slice(),
-        _ => return None,
-    };
-    let mut decl_ref: Option<DeclarationId> = None;
-    let mut node_idx: Option<u32> = None;
-    for (k, v) in parts {
-        if k == "declaration" {
-            if let FieldValue::Reference(id) = v {
-                decl_ref = Some(*id);
-            }
-        } else if k == "node" {
-            if let FieldValue::Literal(LiteralBits::Int(s)) = v {
-                node_idx = s.parse().ok();
-            }
-        }
-    }
-    Some((decl_ref?, NodeId::from_table_index(node_idx?)))
-}
-
-/// Returns `true` when an authored **`ParallelismMode::OptInIndependent`** budget violates the
-/// observed iteration-parallelism emission contract from authored
-/// `parallelism_iteration_observed_mode` (Lane‑2 `loop_iteration_parallel_emission_indicator`:
-/// indicator `1` ⇒ `OptInIndependent`; otherwise `Sequential`).
-///
-/// **Gate #95 interim surface** (see `docs/design-lens-application-surface.md` §4.4): pairs with
-/// [`check_enforced_lens_applications`] for full `EnforcedApplication`/`NodeScope` routing.
-///
-/// Requires `dag` to carry lowered `parallelism.dag` (`parallelism_enforcement_violates`);
-/// observes via [`crate::lens_parallelism::parallelism_iteration_observed_mode`]. Delegates violation
-/// semantics to that substrate via [`apply_lens_declaration`].
-///
-/// Returns [`Err`] when `parallelism.dag` is absent from this [`Dag`] or substrate evaluation fails
-/// ([`LensApplyError`]) — no panics on arbitrary caller-supplied graphs (CODING.md § Hidden panic surface).
-pub fn parallelism_iteration_opt_in_enforcement_violates(
-    dag: &Dag,
-    workflow_root: NodeId,
-) -> Result<bool, LensApplyError> {
-    let pm_disj = parallelism_mode_disj_decl_id(dag).ok_or(LensApplyError::SubstrateReflect(
-        "ParallelismMode from parallelism.dag",
-    ))?;
-    let observed = parallelism_iteration_budget_from_substrate(
-        crate::lens_parallelism::parallelism_iteration_observed_mode(dag, workflow_root),
-    );
-    parallelism_enforcement_violates_via_substrate(
-        dag,
-        pm_disj,
-        observed,
-        ParallelismIterationBudget::OptInIndependent,
-    )
-}
-
-/// Fail-closed check for landed complexity, timing, and iteration-opt-in parallelism enforcement
-/// applications (`EnforcedApplication` rows).
-///
-/// Exported at the crate root (`v3_compiler::check_enforced_lens_applications`) so integration
-/// tests can re-invoke the same post-infer pass as `infer::infer` without treating declaration
-/// presence as proof the probe ran (gate #58 receipt).
-pub fn check_enforced_lens_applications(dag: &mut Dag) {
-    let Some(enforced_template) = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("EnforcedApplication")
-                && d.span.file.ends_with("lens_application.dag")
-        })
-        .map(|d| d.id)
-    else {
-        return;
-    };
-    let complexity_enforceable_id = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("complexity_enforceable")
-                && d.span.file.ends_with("complexity.dag")
-        })
-        .map(|d| d.id);
-    let timing_enforceable_id = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("timing_enforceable")
-                && d.span.file.ends_with("timing_lens.dag")
-        })
-        .map(|d| d.id);
-    let timing_lens_id = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("timing_lens") && d.span.file.ends_with("timing_lens.dag")
-        })
-        .map(|d| d.id);
-    let timing_enforcement_id = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("timing_enforcement")
-                && d.span.file.ends_with("timing_lens.dag")
-        })
-        .map(|d| d.id);
-    let asymptotic_disj = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("AsymptoticClass") && d.span.file.ends_with("algebra.dag")
-        })
-        .map(|d| d.id);
-    let Some(section_ref_disj) = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("SectionRef") && d.span.file.ends_with("lens_application.dag")
-        })
-        .map(|d| d.id)
-    else {
-        return;
-    };
-    let Some(declaration_scope_conj) = declaration_scope_payload_conj(dag, section_ref_disj) else {
-        return;
-    };
-    let Some(node_scope_conj) = section_ref_node_scope_constructor_id(dag, section_ref_disj) else {
-        return;
-    };
-    let parallelism_enforceable_id = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("parallelism_enforceable")
-                && d.span.file.ends_with("parallelism.dag")
-        })
-        .map(|d| d.id);
-    let parallelism_mode_disj = parallelism_mode_disj_decl_id(dag);
-    let Some(diagnostic_severity_disj) = diagnostic_severity_substrate_disj(dag) else {
-        attach_missing_diagnostic_severity_substrate_diagnostic(dag, enforced_template);
-        return;
-    };
-    let positive_descent_disj = dag
-        .declaration_by_name("PositiveDescentAmount")
-        .map(|d| d.id);
-
-    let mut violations: Vec<Diagnostic> = Vec::new();
-
-    for decl in dag.declarations() {
-        let Some(body) = decl.value_body.as_ref() else {
-            continue;
-        };
-        let ValueBody::Structural { fields } = body else {
-            continue;
-        };
-        let Some(meta_id) = decl.meta_tag else {
-            continue;
-        };
-        if !matches_enforced_application_instantiation(dag, meta_id, enforced_template) {
-            continue;
-        }
-        let fm = field_map(fields);
-        let enforceable_lens = match fm.get("enforceable_lens") {
-            Some(v) => v,
-            _ => continue,
-        };
-        let section = match fm.get("section") {
-            Some(v) => *v,
-            _ => continue,
-        };
-        let budget_val = match fm.get("budget") {
-            Some(v) => *v,
-            _ => continue,
-        };
-        let span = match fm.get("span") {
-            Some(FieldValue::Record(span_fields)) => record_as_source_span(span_fields),
-            _ => None,
-        }
-        .unwrap_or_else(|| decl.span.clone());
-
-        if let (Some(cid), FieldValue::Reference(ref_id)) =
-            (complexity_enforceable_id, enforceable_lens)
-        {
-            if *ref_id == cid {
-                let Some(asymptotic_disj) = asymptotic_disj else {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: could not resolve substrate `AsymptoticClass` from \
-                              `algebra.dag` (modeled authority missing; fail-closed)"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                let Some(fn_decl) = resolve_declaration_scope_fn(
-                    dag,
-                    section,
-                    section_ref_disj,
-                    declaration_scope_conj,
-                ) else {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: could not resolve function declaration for section"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                let Some(port) = fn_result_port(dag, fn_decl) else {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: could not resolve function result port for section"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                let Some(budget_class) = field_value_asymptotic_class(
-                    dag,
-                    asymptotic_disj,
-                    positive_descent_disj,
-                    budget_val,
-                ) else {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: could not read complexity budget `AsymptoticClass` \
-                              (ill-formed `ClassPolynomial` budgets must use Peano `degree` ≥ 3; \
-                              use `ClassLinear` / `ClassQuadratic` for sub-cubic tiers)"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-
-                let summary = match complexity_of(dag, &port) {
-                    Lookup::Hit(s) => s,
-                    Lookup::Miss => {
-                        violations.push(Diagnostic::ParseError {
-                            message:
-                                "lens enforcement: complexity lens returned Miss for section — \
-                                  cannot enforce budget"
-                                    .to_string(),
-                            span: span.clone(),
-                            correction:
-                                crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                    "EnforcedLensApplicationDiagnostic",
-                                ),
-                        });
-                        continue;
-                    }
-                };
-                if !complexity_enforcement_violates(&summary, &budget_class) {
-                    continue;
-                }
-                let observed = complexity_enforcement_project(&summary);
-                let severity_val = match fm.get("diagnostic_severity") {
-                    Some(v) => *v,
-                    _ => {
-                        violations.push(Diagnostic::ParseError {
-                            message:
-                                "lens enforcement: `EnforcedApplication` missing `diagnostic_severity`"
-                                    .to_string(),
-                            span: decl.span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("EnforcedLensApplicationDiagnostic"),
-                        });
-                        continue;
-                    }
-                };
-                let violation_message = format!(
-                    "lens enforcement violation: complexity budget {budget_class:?} exceeded \
-                 by observed class {observed:?} (declared `EnforcedApplication` at {})",
-                    decl.name.as_deref().unwrap_or("?")
-                );
-                violations.push(enforced_violation_diagnostic(
-                    dag,
-                    diagnostic_severity_disj,
-                    severity_val,
-                    violation_message,
-                    span,
-                ));
-                continue;
-            }
-        }
-
-        if is_timing_enforceable_lens_value(
-            enforceable_lens,
-            timing_enforceable_id,
-            timing_lens_id,
-            timing_enforcement_id,
-        ) {
-            let Some(tm_disj) = timing_measurement_sum_type_decl_id(dag) else {
-                violations.push(Diagnostic::ParseError {
-                    message:
-                        "lens enforcement: could not resolve substrate `TimingMeasurement` from \
-                              `timing_lens.dag` (modeled authority missing; fail-closed)"
-                            .to_string(),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "EnforcedLensApplicationDiagnostic",
-                    ),
-                });
-                continue;
-            };
-            let Some(section_decl_id) =
-                resolve_declaration_scope_declaration_id(section, declaration_scope_conj)
-            else {
-                violations.push(Diagnostic::ParseError {
-                    message: "lens enforcement: could not resolve `DeclarationScope` for timing \
-                              `EnforcedApplication` section"
-                        .to_string(),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "EnforcedLensApplicationDiagnostic",
-                    ),
-                });
-                continue;
-            };
-            let section_decl = dag.declaration(section_decl_id);
-            if !timing_section_row_type_declares_measurement_tm(dag, section_decl_id, tm_disj) {
-                violations.push(Diagnostic::ParseError {
-                    message: format!(
-                        "lens enforcement: timing `EnforcedApplication` section `{}` must be a \
-                         lowered `data …: RowTy = …` row whose nominal `RowTy` declares \
-                         `measurement: TimingMeasurement` (same substrate contract as \
-                         `timing_enforcement_project`)",
-                        section_decl.name.as_deref().unwrap_or("?")
-                    ),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "EnforcedLensApplicationDiagnostic",
-                    ),
-                });
-                continue;
-            }
-            let Some(body) = section_decl.value_body.as_ref() else {
-                violations.push(Diagnostic::ParseError {
-                    message: format!(
-                        "lens enforcement: timing section `{}` has no lowered value body",
-                        section_decl.name.as_deref().unwrap_or("?")
-                    ),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "EnforcedLensApplicationDiagnostic",
-                    ),
-                });
-                continue;
-            };
-            let ValueBody::Structural { fields } = body else {
-                violations.push(Diagnostic::ParseError {
-                    message: format!(
-                        "lens enforcement: timing section `{}` must lower to a structural record body",
-                        section_decl.name.as_deref().unwrap_or("?")
-                    ),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("EnforcedLensApplicationDiagnostic"),
-                });
-                continue;
-            };
-            let section_fm = field_map(fields);
-            let Some(measurement) = section_fm.get("measurement") else {
-                violations.push(Diagnostic::ParseError {
-                    message: format!(
-                        "lens enforcement: timing section `{}` is missing required `measurement` field",
-                        section_decl.name.as_deref().unwrap_or("?")
-                    ),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("EnforcedLensApplicationDiagnostic"),
-                });
-                continue;
-            };
-            let Some(usage_projection) =
-                timing_measurement_enforcement_usage(dag, tm_disj, measurement)
-            else {
-                violations.push(Diagnostic::ParseError {
-                    message: format!(
-                        "lens enforcement: could not interpret `measurement` as lowered \
-                         `TimingMeasurement` for section `{}`",
-                        section_decl.name.as_deref().unwrap_or("?")
-                    ),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "EnforcedLensApplicationDiagnostic",
-                    ),
-                });
-                continue;
-            };
-            let Some(declared_max_ns) = field_value_timing_budget_max_ns(budget_val) else {
-                violations.push(Diagnostic::ParseError {
-                    message: "lens enforcement: could not read timing budget `TimingBudget.max` \
-                              nanoseconds (expected `TimingBudget { max: Nanoseconds { count } }`)"
-                        .to_string(),
-                    span: decl.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "EnforcedLensApplicationDiagnostic",
-                    ),
-                });
-                continue;
-            };
-            if !timing_enforcement_violates(declared_max_ns, usage_projection) {
-                continue;
-            };
-            let usage_max_ns_for_message = match usage_projection {
-                TimingMeasurementEnforcementUsage::ObservedWallNs(ns) => ns,
-                TimingMeasurementEnforcementUsage::NonObservedFault => {
-                    let Some(s) = timing_enforcement_fault_sentinel_ns_from_substrate(dag) else {
-                        violations.push(Diagnostic::ParseError {
-                            message:
-                                "lens enforcement: could not resolve substrate `timing_enforcement_fault_sentinel_count` \
-                                 from `timing_lens.dag` (needed for fault-path diagnostic text; fail-closed)"
-                                    .to_string(),
-                            span: decl.span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("EnforcedLensApplicationDiagnostic"),
-                        });
-                        continue;
-                    };
-                    s
-                }
-            };
-            let severity_val = match fm.get("diagnostic_severity") {
-                Some(v) => *v,
-                _ => {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: `EnforcedApplication` missing `diagnostic_severity`"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                }
-            };
-            let violation_message = format!(
-                "lens enforcement violation: timing budget ceiling max_ns={declared_max_ns} exceeded \
-                 by projected wall-clock usage max_ns={usage_max_ns_for_message} (declared `EnforcedApplication` \
-                 at {})",
-                decl.name.as_deref().unwrap_or("?")
-            );
-            violations.push(enforced_violation_diagnostic(
-                dag,
-                diagnostic_severity_disj,
-                severity_val,
-                violation_message,
-                span.clone(),
-            ));
-        }
-
-        if let (Some(peid), FieldValue::Reference(pe_ref)) =
-            (parallelism_enforceable_id, enforceable_lens)
-        {
-            if *pe_ref == peid {
-                let Some(pm_disj) = parallelism_mode_disj else {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: could not resolve substrate `ParallelismMode` from \
-                             `parallelism.dag` (modeled authority missing; fail-closed)"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                let Some((fn_decl, subject_node)) =
-                    resolve_node_scope_section(dag, section, node_scope_conj)
-                else {
-                    violations.push(Diagnostic::ParseError {
-                        message: "lens enforcement: parallelism `EnforcedApplication` requires a \
-                                  `SectionRef::NodeScope { declaration, node }` section (see \
-                                  docs/design-lens-application-surface.md §4.4)"
-                            .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                let Some(fn_subject) = dag.declaration_opt(&fn_decl) else {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: parallelism `SectionRef::NodeScope.declaration` \
-                             names a substrate `DeclarationId` that is absent from this `Dag` \
-                             (structured reference out of bounds; fail-closed)"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                if !matches!(&fn_subject.connective, TypeConnective::Arrow { .. }) {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: parallelism `NodeScope.declaration` must name a \
-                                  function (`Arrow` declaration)"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                if !crate::dag::node_scope_subject_within_arrow_declaration(
-                    dag,
-                    fn_decl,
-                    subject_node,
-                ) {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: parallelism `SectionRef::NodeScope.node` must name a \
-                                   substrate node in the authored `declaration` body's lowered graph \
-                                   (declaring function bind or descendant reachable from its result \
-                                   subgraph); malformed `(declaration, node)` pairs fail closed instead \
-                                   of reading `loop_iteration_parallel_emission_indicator` out-of-scope"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                }
-                let Some(budget_host) =
-                    field_value_parallelism_iteration_budget(dag, pm_disj, budget_val)
-                else {
-                    violations.push(Diagnostic::ParseError {
-                        message:
-                            "lens enforcement: could not read parallelism budget `ParallelismMode` \
-                                  (expected nullary `OptInIndependent` or `Sequential`)"
-                                .to_string(),
-                        span: decl.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "EnforcedLensApplicationDiagnostic",
-                        ),
-                    });
-                    continue;
-                };
-                let indicator =
-                    crate::loop_iteration_parallel_emission_indicator(dag, subject_node);
-                let observed_host = parallelism_iteration_budget_from_substrate(
-                    crate::lens_parallelism::parallelism_iteration_observed_mode(dag, subject_node),
-                );
-                let violates = match parallelism_enforcement_violates_via_substrate(
-                    dag,
-                    pm_disj,
-                    observed_host,
-                    budget_host,
-                ) {
-                    Ok(v) => v,
-                    Err(e) => {
-                        violations.push(Diagnostic::ParseError {
-                            message: format!(
-                                "lens enforcement: could not evaluate `parallelism_enforcement_violates` \
-                                 from `parallelism.dag` (fail-closed): {e:?}"
-                            ),
-                            span: decl.span.clone(),
-                            correction:
-                                crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                    "EnforcedLensApplicationDiagnostic",
-                                ),
-                        });
-                        continue;
-                    }
-                };
-                if !violates {
-                    continue;
-                }
-
-                let severity_val = match fm.get("diagnostic_severity") {
-                    Some(v) => *v,
-                    _ => {
-                        violations.push(Diagnostic::ParseError {
-                            message:
-                                "lens enforcement: `EnforcedApplication` missing `diagnostic_severity`"
-                                    .to_string(),
-                            span: decl.span.clone(),
-                            correction:
-                                crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                    "EnforcedLensApplicationDiagnostic",
-                                ),
-                        });
-                        continue;
-                    }
-                };
-                let violation_message = format!(
-                    "lens enforcement violation: parallelism iteration `ParallelismMode` budget {budget_host:?} inconsistent \
-                     with `loop_iteration_parallel_emission_indicator={indicator}` observation (declared `EnforcedApplication` \
-                     at {})",
-                    decl.name.as_deref().unwrap_or("?")
-                );
-                violations.push(enforced_violation_diagnostic(
-                    dag,
-                    diagnostic_severity_disj,
-                    severity_val,
-                    violation_message,
-                    span.clone(),
-                ));
-            }
-        }
-    }
-
-    for diagnostic in violations {
-        dag.attach_diagnostic(diagnostic);
-    }
-}
-
-#[doc(hidden)]
-fn gate_58_raise_observed_duration_ns_in_measurement(
-    value: &mut FieldValue,
-    duration_ns: u64,
-) -> bool {
-    match value {
-        FieldValue::Variant { payload, .. } => {
-            let Some(FieldValue::Record(parts)) = payload.first_mut() else {
-                return false;
-            };
-            if let Some((_, FieldValue::Record(duration_parts))) =
-                parts.iter_mut().find(|(label, _)| label == "duration")
-            {
-                return gate_58_set_count_field_to_ns(duration_parts, duration_ns);
-            }
-            // PB-1 bootstrap lowering: `Observed` payload can flatten to `{ count: Nat }` without
-            // a nested `duration` record (authoring uses `Observed { duration: { count } }`).
-            gate_58_set_count_field_to_ns(parts, duration_ns)
-        }
-        _ => false,
-    }
-}
-
-fn gate_58_set_count_field_to_ns(parts: &mut [(String, FieldValue)], duration_ns: u64) -> bool {
-    for (dlabel, dfield) in parts.iter_mut() {
-        if dlabel == "count" {
-            if let FieldValue::Literal(LiteralBits::Int(s)) = dfield {
-                *s = duration_ns.to_string();
-                return true;
-            }
-            return false;
-        }
-    }
-    false
-}
-
-/// Integration receipt helper: mutates the PB-1 gate #58 witness row in a bootstrap [`Dag`].
-///
-/// **Not a supported production API** — only the `v3-compiler` integration test
-/// `t_gate_58_apply_lens_self_application_test` should call this (exposed so that test binary can
-/// link against `v3_compiler` without `cfg(test)` coupling).
-#[doc(hidden)]
-pub fn gate_58_test_raise_modeled_ci_timing_measurement_duration_ns(
-    dag: &mut Dag,
-    duration_ns: u64,
-) -> Result<(), &'static str> {
-    let id = dag
-        .declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("gate_58_modeled_ci_timing_measurement")
-                && d.span.file.ends_with("t_ci_workflow_as_data_demo.dag")
-        })
-        .map(|d| d.id)
-        .ok_or("missing gate_58_modeled_ci_timing_measurement declaration")?;
-    let decl = dag.declaration_mut(id);
-    let Some(ValueBody::Structural { fields }) = decl.value_body.as_mut() else {
-        return Err("gate_58 witness missing structural value_body");
-    };
-    for (label, value) in fields.iter_mut() {
-        if label == "measurement"
-            && gate_58_raise_observed_duration_ns_in_measurement(value, duration_ns)
-        {
-            return Ok(());
-        }
-    }
-    Err("measurement field missing or not Observed with duration.count shape")
-}
-
-/// Parses `(declared_max_ns, projected_usage_max_ns)` from a timing lens **budget-ceiling**
-/// violation message produced by [`check_enforced_lens_applications`].
-///
-/// The template is owned next to [`timing_enforcement_violates`] / `violation_message` formatting
-/// in this module (`max_ns=` appears exactly twice: declared ceiling, then projected usage).
-/// Integration tests use this instead of pinning English prose (see repo `TESTING.md` anti-pattern).
-#[doc(hidden)]
-pub fn gate_58_test_parse_timing_budget_violation_max_ns_pair(message: &str) -> Option<(u64, u64)> {
-    const NEEDLE: &str = "max_ns=";
-    let mut found: Vec<u64> = Vec::with_capacity(2);
-    let mut rest = message;
-    while let Some(pos) = rest.find(NEEDLE) {
-        let after = pos + NEEDLE.len();
-        let tail = &rest[after..];
-        let digit_len = tail
-            .chars()
-            .take_while(|c| c.is_ascii_digit())
-            .map(|c| c.len_utf8())
-            .sum::<usize>();
-        if digit_len == 0 {
-            return None;
-        }
-        let n: u64 = tail[..digit_len].parse().ok()?;
-        found.push(n);
-        rest = &tail[digit_len..];
-    }
-    if found.len() == 2 {
-        Some((found[0], found[1]))
-    } else {
-        None
-    }
-}
-
-fn field_map(fields: &[(String, FieldValue)]) -> HashMap<&str, &FieldValue> {
-    fields.iter().map(|(k, v)| (k.as_str(), v)).collect()
-}
-
-/// Routes an enforce-mode **budget violation** through `EnforcedApplication.diagnostic_severity`.
-///
-/// Substrate policy (C-8): only `DiagnosticSeverity::Error` is a valid steady-state choice; unknown
-/// constructors, non-nullary `Error` payload, or malformed values fail closed with an explanatory
-/// diagnostic.
-fn enforced_violation_diagnostic(
-    dag: &Dag,
-    diagnostic_severity_disj: DeclarationId,
-    severity_val: &FieldValue,
-    violation_message: String,
-    span: SourceSpan,
-) -> Diagnostic {
-    let TypeConnective::Disj { variants } = &dag.declaration(diagnostic_severity_disj).connective
-    else {
-        return Diagnostic::ParseError {
-            message: "lens enforcement: internal error (DiagnosticSeverity is not a sum type)"
-                .to_string(),
-            span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "EnforcedLensApplicationDiagnostic",
-            ),
-        };
-    };
-    let Some(error_ctor) = variants.iter().find(|v| v.label == "Error").map(|v| v.ty) else {
-        return Diagnostic::ParseError {
-            message: "lens enforcement: internal error (DiagnosticSeverity lacks `Error` variant)"
-                .to_string(),
-            span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "EnforcedLensApplicationDiagnostic",
-            ),
-        };
-    };
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = severity_val
-    else {
-        return Diagnostic::ParseError {
-            message: "lens enforcement: `diagnostic_severity` must be a `DiagnosticSeverity` \
-                      variant value"
-                .to_string(),
-            span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "EnforcedLensApplicationDiagnostic",
-            ),
-        };
-    };
-    if *constructor != error_ctor {
-        return Diagnostic::ParseError {
-            message: "lens enforcement: `diagnostic_severity` on `EnforcedApplication` must be \
-                      `Error` (INVARIANTS C-8; fail-closed discipline)"
-                .to_string(),
-            span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "EnforcedLensApplicationDiagnostic",
-            ),
-        };
-    }
-    // `lens_application.dag`: `type DiagnosticSeverity = Error` — the lone variant is nullary.
-    if !payload.is_empty() {
-        return Diagnostic::ParseError {
-            message: "lens enforcement: `DiagnosticSeverity::Error` must be nullary (INVARIANTS \
-                      P1; malformed variant payload)"
-                .to_string(),
-            span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "EnforcedLensApplicationDiagnostic",
-            ),
-        };
-    }
-    Diagnostic::ParseError {
-        message: violation_message,
-        span,
-        correction: timing_lens_gate_58_retirement_correction(),
-    }
-}
-
-fn matches_enforced_application_instantiation(
-    dag: &Dag,
-    mut meta: DeclarationId,
-    enforced_template: DeclarationId,
-) -> bool {
-    for _ in 0..16 {
-        match &dag.declaration(meta).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                if *template == enforced_template && arguments.len() == 3 {
-                    return true;
-                }
-                if arguments.is_empty() {
-                    meta = *template;
-                    continue;
-                }
-                return false;
-            }
-            _ => return false,
-        }
-    }
-    false
-}
-
-fn declaration_scope_payload_conj(
-    dag: &Dag,
-    section_ref_disj: DeclarationId,
-) -> Option<DeclarationId> {
-    let TypeConnective::Disj { variants } = &dag.declaration(section_ref_disj).connective else {
-        return None;
-    };
-    let v = variants.iter().find(|f| f.label == "DeclarationScope")?;
-    Some(v.ty)
-}
-
-fn resolve_declaration_scope_declaration_id(
-    section: &FieldValue,
-    declaration_scope_conj: DeclarationId,
-) -> Option<DeclarationId> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = section
-    else {
-        return None;
-    };
-    if *constructor != declaration_scope_conj {
-        return None;
-    }
-    match payload.as_slice() {
-        [FieldValue::Reference(id)] => Some(*id),
-        [FieldValue::Record(parts)] => {
-            let mut decl_id: Option<DeclarationId> = None;
-            for (label, value) in parts {
-                if label == "declaration" {
-                    if let FieldValue::Reference(id) = value {
-                        decl_id = Some(*id);
-                    }
-                }
-            }
-            decl_id
-        }
-        _ => None,
-    }
-}
-
-fn resolve_declaration_scope_fn(
-    dag: &Dag,
-    section: &FieldValue,
-    section_ref_disj: DeclarationId,
-    declaration_scope_conj: DeclarationId,
-) -> Option<DeclarationId> {
-    let _ = section_ref_disj;
-    let id = resolve_declaration_scope_declaration_id(section, declaration_scope_conj)?;
-    matches!(dag.declaration(id).connective, TypeConnective::Arrow { .. }).then_some(id)
-}
-
-fn fn_result_port(dag: &Dag, fn_decl: DeclarationId) -> Option<PortId> {
-    let decl = dag.declaration(fn_decl);
-    let TypeConnective::Arrow {
-        body: ArrowBody::UserDefined(bind_node),
-        ..
-    } = &decl.connective
-    else {
-        return None;
-    };
-    let bind = bind_node.bind(dag);
-    Some(bind.result_port())
-}
-
-fn record_as_source_span(fields: &[(String, FieldValue)]) -> Option<SourceSpan> {
-    let mut file: Option<String> = None;
-    let mut byte_start: Option<u32> = None;
-    let mut byte_end: Option<u32> = None;
-    for (label, value) in fields {
-        match (label.as_str(), value) {
-            ("file", FieldValue::Literal(LiteralBits::String(s))) => file = Some(s.clone()),
-            ("byte_start", FieldValue::Literal(LiteralBits::Int(n))) => {
-                byte_start = literal_decimal_i64(n.as_str()).and_then(|v| u32::try_from(v).ok());
-            }
-            ("byte_end", FieldValue::Literal(LiteralBits::Int(n))) => {
-                byte_end = literal_decimal_i64(n.as_str()).and_then(|v| u32::try_from(v).ok());
-            }
-            ("start", FieldValue::Literal(LiteralBits::Int(n))) => {
-                byte_start = literal_decimal_i64(n.as_str()).and_then(|v| u32::try_from(v).ok());
-            }
-            ("end", FieldValue::Literal(LiteralBits::Int(n))) => {
-                byte_end = literal_decimal_i64(n.as_str()).and_then(|v| u32::try_from(v).ok());
-            }
-            _ => {}
-        }
-    }
-    Some(SourceSpan::new(file?, byte_start?, byte_end?))
-}
-
-fn field_value_asymptotic_class(
-    dag: &Dag,
-    ac_disj: DeclarationId,
-    pda_disj: Option<DeclarationId>,
-    value: &FieldValue,
-) -> Option<AsymptoticClass> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    let TypeConnective::Disj { variants } = &dag.declaration(ac_disj).connective else {
-        return None;
-    };
-    let variant = variants.iter().find(|v| v.ty == *constructor)?;
-    match variant.label.as_str() {
-        "ClassConstant" => Some(AsymptoticClass::ClassConstant),
-        "ClassLog" => Some(AsymptoticClass::ClassLog),
-        "ClassLinear" => Some(AsymptoticClass::ClassLinear),
-        "ClassLinearithmic" => Some(AsymptoticClass::ClassLinearithmic),
-        "ClassQuadratic" => Some(AsymptoticClass::ClassQuadratic),
-        "ClassExponential" => Some(AsymptoticClass::ClassExponential),
-        "ClassUnknown" => Some(AsymptoticClass::ClassUnknown),
-        "ClassPolynomial" => {
-            let pda = pda_disj?;
-            let degree = decode_positive_descent_amount(dag, pda, payload)?;
-            // `AsymptoticClass::ClassPolynomial` in `algebra.dag` is k ≥ 3; Peano
-            // counts 1–2 are `ClassLinear` / `ClassQuadratic` territory — reject as
-            // an invalid budget shape (fail closed; openai-pro / P1).
-            if positive_descent_count(&degree) < 3 {
-                return None;
-            }
-            Some(AsymptoticClass::ClassPolynomial { degree })
-        }
-        _ => None,
-    }
-}
-
-fn decode_positive_descent_amount(
-    dag: &Dag,
-    pda_disj: DeclarationId,
-    poly_payload: &[FieldValue],
-) -> Option<PositiveDescentAmount> {
-    match poly_payload {
-        [FieldValue::Record(parts)] => {
-            let value = parts.iter().find(|(k, _)| k == "degree").map(|(_, v)| v)?;
-            decode_positive_descent_variant(dag, pda_disj, value)
-        }
-        [single] => decode_positive_descent_variant(dag, pda_disj, single),
-        _ => None,
-    }
-}
-
-fn decode_positive_descent_variant(
-    dag: &Dag,
-    pda_disj: DeclarationId,
-    value: &FieldValue,
-) -> Option<PositiveDescentAmount> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    let TypeConnective::Disj { variants } = &dag.declaration(pda_disj).connective else {
-        return None;
-    };
-    let variant = variants.iter().find(|v| v.ty == *constructor)?;
-    match variant.label.as_str() {
-        "OneStep" => Some(PositiveDescentAmount::OneStep),
-        "AdditionalStep" => {
-            let FieldValue::Record(parts) = payload.first()? else {
-                return None;
-            };
-            let prev = parts
-                .iter()
-                .find(|(k, _)| k == "previous")
-                .map(|(_, v)| v)?;
-            let inner = decode_positive_descent_variant(dag, pda_disj, prev)?;
-            Some(PositiveDescentAmount::AdditionalStep {
-                previous: Box::new(inner),
-            })
-        }
-        _ => None,
-    }
-}
-
-#[cfg(test)]
-mod diagnostic_severity_fail_closed_tests {
-    use super::*;
-    use crate::dag::{LiteralBits, TypeConnective};
-    use crate::diagnostics::Diagnostic;
-
-    fn assert_parse_error_at(diag: Diagnostic, expected_span: &SourceSpan) {
-        match diag {
-            Diagnostic::ParseError {
-                span, correction, ..
-            } => {
-                assert_eq!(&span, expected_span);
-                assert!(matches!(
-                    correction,
-                    crate::diagnostics::Correction::DeferredCorrection { .. }
-                ));
-            }
-            other => panic!("expected ParseError, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn missing_diagnostic_severity_substrate_records_fail_closed_diagnostic() {
-        let mut dag = Dag::new();
-        let Some(enforced_template) = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("EnforcedApplication")
-                    && d.span.file.ends_with("lens_application.dag")
-            })
-            .map(|d| d.id)
-        else {
-            panic!("bootstrap should declare EnforcedApplication in lens_application.dag");
-        };
-        let expected_span = dag.declaration(enforced_template).span.clone();
-        let Some(ds_id) = super::diagnostic_severity_substrate_disj(&dag) else {
-            panic!("bootstrap should declare DiagnosticSeverity in lens_application.dag");
-        };
-        dag.declaration_mut(ds_id).name = Some("DiagnosticSeverity__test_unresolvable".to_string());
-        assert!(
-            super::diagnostic_severity_substrate_disj(&dag).is_none(),
-            "Expected DiagnosticSeverity substrate row to be unresolvable after rename"
-        );
-        super::attach_missing_diagnostic_severity_substrate_diagnostic(&mut dag, enforced_template);
-        let mut it = dag.diagnostics().iter();
-        let (_, d) = it.next().expect("fail-closed diagnostic");
-        assert!(it.next().is_none(), "expected exactly one diagnostic");
-        assert_parse_error_at(d.clone(), &expected_span);
-    }
-
-    #[test]
-    fn enforced_violation_diagnostic_rejects_non_error_severity_constructor() {
-        let dag = Dag::new();
-        let Some(ds_disj) = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("DiagnosticSeverity")
-                    && d.span.file.ends_with("lens_application.dag")
-            })
-            .map(|d| d.id)
-        else {
-            panic!("bootstrap should declare DiagnosticSeverity in lens_application.dag");
-        };
-        let wrong_ctor = dag
-            .bool_runtime_variant_id(true)
-            .expect("bootstrap True variant");
-        let expected_span = SourceSpan::new("t.v3", 0, 1);
-        let diag = enforced_violation_diagnostic(
-            &dag,
-            ds_disj,
-            &FieldValue::Variant {
-                constructor: wrong_ctor,
-                payload: Vec::new(),
-            },
-            "violation".to_string(),
-            expected_span.clone(),
-        );
-        assert_parse_error_at(diag, &expected_span);
-    }
-
-    #[test]
-    fn enforced_violation_diagnostic_rejects_non_variant_severity_value() {
-        let dag = Dag::new();
-        let Some(ds_disj) = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("DiagnosticSeverity")
-                    && d.span.file.ends_with("lens_application.dag")
-            })
-            .map(|d| d.id)
-        else {
-            panic!("bootstrap should declare DiagnosticSeverity in lens_application.dag");
-        };
-        let expected_span = SourceSpan::new("t.v3", 0, 1);
-        let diag = enforced_violation_diagnostic(
-            &dag,
-            ds_disj,
-            &FieldValue::Literal(LiteralBits::Int("0".to_string())),
-            "violation".to_string(),
-            expected_span.clone(),
-        );
-        assert_parse_error_at(diag, &expected_span);
-    }
-
-    #[test]
-    fn enforced_violation_diagnostic_rejects_error_severity_with_non_nullary_payload() {
-        let dag = Dag::new();
-        let Some(ds_disj) = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("DiagnosticSeverity")
-                    && d.span.file.ends_with("lens_application.dag")
-            })
-            .map(|d| d.id)
-        else {
-            panic!("bootstrap should declare DiagnosticSeverity in lens_application.dag");
-        };
-        let TypeConnective::Disj { variants } = &dag.declaration(ds_disj).connective else {
-            panic!("bootstrap DiagnosticSeverity should be a sum type");
-        };
-        let error_ctor = variants
-            .iter()
-            .find(|v| v.label == "Error")
-            .map(|v| v.ty)
-            .expect("bootstrap DiagnosticSeverity should have Error variant");
-        let expected_span = SourceSpan::new("t.v3", 0, 1);
-        let diag = enforced_violation_diagnostic(
-            &dag,
-            ds_disj,
-            &FieldValue::Variant {
-                constructor: error_ctor,
-                payload: vec![FieldValue::Literal(LiteralBits::Int("0".to_string()))],
-            },
-            "violation".to_string(),
-            expected_span.clone(),
-        );
-        assert_parse_error_at(diag, &expected_span);
-    }
-
-    #[test]
-    fn enforce_violation_routing_landed_routes_error_severity_to_parse_error() {
-        let dag = Dag::new();
-        let Some(ds_disj) = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("DiagnosticSeverity")
-                    && d.span.file.ends_with("lens_application.dag")
-            })
-            .map(|d| d.id)
-        else {
-            panic!("bootstrap should declare DiagnosticSeverity in lens_application.dag");
-        };
-        let TypeConnective::Disj { variants } = &dag.declaration(ds_disj).connective else {
-            panic!("bootstrap DiagnosticSeverity should be a sum type");
-        };
-        let error_ctor = variants
-            .iter()
-            .find(|v| v.label == "Error")
-            .map(|v| v.ty)
-            .expect("bootstrap DiagnosticSeverity should have Error variant");
-        let expected_span = SourceSpan::new("gate_91.dag", 10, 20);
-        let diag = enforced_violation_diagnostic(
-            &dag,
-            ds_disj,
-            &FieldValue::Variant {
-                constructor: error_ctor,
-                payload: Vec::new(),
-            },
-            "lens enforcement violation: gate #91".to_string(),
-            expected_span.clone(),
-        );
-        match diag {
-            Diagnostic::ParseError { message, span, .. } => {
-                assert_eq!(span, expected_span);
-                assert_eq!(message, "lens enforcement violation: gate #91");
-            }
-            other => panic!("expected ParseError, got {other:?}"),
-        }
-    }
-}
-
-#[cfg(test)]
-mod polynomial_budget_class_policy_tests {
-    use crate::dag::{positive_amount_from_i64, positive_descent_count, PositiveDescentAmount};
-
-    fn polynomial_budget_peano_is_admissible(degree: &PositiveDescentAmount) -> bool {
-        positive_descent_count(degree) >= 3
-    }
-
-    #[test]
-    fn class_polynomial_enforcement_budget_rejects_sub_cubic_peano_degrees() {
-        assert_eq!(positive_descent_count(&PositiveDescentAmount::OneStep), 1);
-        assert!(!polynomial_budget_peano_is_admissible(
-            &PositiveDescentAmount::OneStep
-        ));
-        let deg2 = PositiveDescentAmount::AdditionalStep {
-            previous: Box::new(PositiveDescentAmount::OneStep),
-        };
-        assert_eq!(positive_descent_count(&deg2), 2);
-        assert!(!polynomial_budget_peano_is_admissible(&deg2));
-        let deg3 = positive_amount_from_i64(3).expect("synthetic degree 3");
-        assert!(polynomial_budget_peano_is_admissible(&deg3));
-    }
-}
-
-#[cfg(test)]
-mod gate_58_timing_enforcement_unit_tests {
-    use super::{
-        gate_58_test_parse_timing_budget_violation_max_ns_pair,
-        timing_enforcement_fault_sentinel_ns_from_substrate, timing_enforcement_violates,
-        TimingMeasurementEnforcementUsage,
-    };
-    use crate::dag::Dag;
-
-    #[test]
-    fn gate_58_parse_max_ns_pair_matches_timing_budget_violation_template() {
-        let msg = "lens enforcement violation: timing budget ceiling max_ns=1 exceeded \
-                 by projected wall-clock usage max_ns=999 (declared `EnforcedApplication` \
-                 at gate_58_enforcement_budget_violation)";
-        assert_eq!(
-            gate_58_test_parse_timing_budget_violation_max_ns_pair(msg),
-            Some((1, 999))
-        );
-    }
-
-    #[test]
-    fn non_observed_fault_always_violates_under_any_finite_budget() {
-        assert!(timing_enforcement_violates(
-            1,
-            TimingMeasurementEnforcementUsage::NonObservedFault
-        ));
-        assert!(timing_enforcement_violates(
-            u64::MAX - 1,
-            TimingMeasurementEnforcementUsage::NonObservedFault
-        ));
-    }
-
-    #[test]
-    fn observed_usage_strictly_exceeding_budget_violates() {
-        assert!(timing_enforcement_violates(
-            500,
-            TimingMeasurementEnforcementUsage::ObservedWallNs(1000)
-        ));
-    }
-
-    #[test]
-    fn observed_usage_within_or_equal_budget_is_clean() {
-        assert!(!timing_enforcement_violates(
-            1000,
-            TimingMeasurementEnforcementUsage::ObservedWallNs(500)
-        ));
-        assert!(!timing_enforcement_violates(
-            1000,
-            TimingMeasurementEnforcementUsage::ObservedWallNs(1000)
-        ));
-    }
-
-    #[test]
-    fn observed_wall_at_substrate_fault_sentinel_is_not_fault_short_circuit() {
-        let dag = Dag::new();
-        let s = timing_enforcement_fault_sentinel_ns_from_substrate(&dag)
-            .expect("bootstrap should carry timing_lens fault sentinel");
-        assert!(!timing_enforcement_violates(
-            s + 1,
-            TimingMeasurementEnforcementUsage::ObservedWallNs(s)
-        ));
-        assert!(timing_enforcement_violates(
-            s - 1,
-            TimingMeasurementEnforcementUsage::ObservedWallNs(s)
-        ));
-    }
-}
-
-#[cfg(test)]
-mod gate_95_parallelism_iteration_enforcement_tests {
-    use super::*;
-    use crate::compile_to_dag;
-    use crate::dag::{Declaration, DeclarationId, TemplateArgument, TypeConnective, ValueBody};
-    use crate::diagnostics::Diagnostic;
-
-    fn push_parallelism_iteration_enforced_declaration(
-        dag: &mut Dag,
-        witness_name: &str,
-        fn_decl: DeclarationId,
-        subject: NodeId,
-    ) {
-        let enforced_template = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("EnforcedApplication")
-                    && d.span.file.ends_with("lens_application.dag")
-            })
-            .expect("EnforcedApplication")
-            .id;
-        let pm_disj = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("ParallelismMode")
-                    && d.span.file.ends_with("parallelism.dag")
-            })
-            .expect("ParallelismMode")
-            .id;
-        let parallelism_enforceable = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("parallelism_enforceable")
-                    && d.span.file.ends_with("parallelism.dag")
-            })
-            .expect("parallelism_enforceable")
-            .id;
-        let section_ref_disj = dag
-            .declarations()
-            .iter()
-            .find(|d| {
-                d.name.as_deref() == Some("SectionRef")
-                    && d.span.file.ends_with("lens_application.dag")
-            })
-            .expect("SectionRef")
-            .id;
-        let node_scope_ctor =
-            section_ref_node_scope_constructor_id(dag, section_ref_disj).expect("NodeScope");
-        let TypeConnective::Disj {
-            variants: pm_variants,
-        } = &dag.declaration(pm_disj).connective
-        else {
-            panic!("ParallelismMode sum");
-        };
-        let optin_ctor = pm_variants
-            .iter()
-            .find(|v| v.label == "OptInIndependent")
-            .expect("OptInIndependent ctor")
-            .ty;
-        let ds_disj =
-            diagnostic_severity_substrate_disj(dag).expect("DiagnosticSeverity substrate");
-        let TypeConnective::Disj {
-            variants: ds_variants,
-        } = &dag.declaration(ds_disj).connective
-        else {
-            panic!("DiagnosticSeverity sum");
-        };
-        let error_ctor = ds_variants
-            .iter()
-            .find(|v| v.label == "Error")
-            .expect("DiagnosticSeverity.Error")
-            .ty;
-
-        let template_params = dag.declaration(enforced_template).type_params.clone();
-        assert_eq!(
-            template_params.len(),
-            3,
-            "EnforcedApplication exposes Output/Budget/Projected formal parameters"
-        );
-        let instantiation_arguments: Vec<TemplateArgument> = template_params
-            .into_iter()
-            .map(|parameter| TemplateArgument {
-                parameter,
-                value: pm_disj,
-            })
-            .collect();
-
-        let new_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: new_id,
-            name: Some(witness_name.to_string()),
-            connective: TypeConnective::Instantiation {
-                template: enforced_template,
-                arguments: instantiation_arguments,
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: Some(new_id),
-            specialization_parent: None,
-            inhabits: None,
-            value_body: Some(ValueBody::Structural {
-                fields: vec![
-                    (
-                        "enforceable_lens".to_string(),
-                        FieldValue::Reference(parallelism_enforceable),
-                    ),
-                    (
-                        "section".to_string(),
-                        FieldValue::Variant {
-                            constructor: node_scope_ctor,
-                            payload: vec![FieldValue::Record(vec![
-                                ("declaration".to_string(), FieldValue::Reference(fn_decl)),
-                                (
-                                    "node".to_string(),
-                                    FieldValue::Literal(LiteralBits::Int(
-                                        subject.raw().to_string(),
-                                    )),
-                                ),
-                            ])],
-                        },
-                    ),
-                    (
-                        "budget".to_string(),
-                        FieldValue::Variant {
-                            constructor: optin_ctor,
-                            payload: Vec::new(),
-                        },
-                    ),
-                    (
-                        "diagnostic_severity".to_string(),
-                        FieldValue::Variant {
-                            constructor: error_ctor,
-                            payload: Vec::new(),
-                        },
-                    ),
-                    (
-                        "span".to_string(),
-                        FieldValue::Record(vec![
-                            (
-                                "file".to_string(),
-                                FieldValue::Literal(LiteralBits::String(
-                                    "gate95_injected.dag".to_string(),
-                                )),
-                            ),
-                            (
-                                "start".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("0".to_string())),
-                            ),
-                            (
-                                "end".to_string(),
-                                FieldValue::Literal(LiteralBits::Int("1".to_string())),
-                            ),
-                        ]),
-                    ),
-                ],
-            }),
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("gate95_injected.dag", 0, 1),
-        });
-    }
-
-    #[test]
-    fn opt_in_budget_is_clean_when_lane2_reads_parallelizable_indicator() {
-        let mut dag = compile_to_dag(
-            "// gunbc::r3_free_consequences::lane2_loop_witness: read_only\n\
-             import lenses.parallelism { parallelism_enforceable }\n\
-             fn gate95_demo_fn() -> Int = 0\n",
-            "gate95_iteration_parallelism_clean.v3",
-        )
-        .expect("compile");
-        let subject = dag.workflow_lane2_subject().expect("workflow shell bind");
-        let fn_decl = dag
-            .declaration_by_name("gate95_demo_fn")
-            .expect("fn decl")
-            .id;
-        let indicator = crate::loop_iteration_parallel_emission_indicator(&dag, subject);
-        assert_eq!(indicator, 1);
-        assert!(!parallelism_iteration_opt_in_enforcement_violates(&dag, subject).unwrap());
-
-        push_parallelism_iteration_enforced_declaration(
-            &mut dag,
-            "gate95_iteration_parallelism_clean_witness",
-            fn_decl,
-            subject,
-        );
-        check_enforced_lens_applications(&mut dag);
-        assert!(
-            dag.diagnostics().is_empty(),
-            "unexpected diagnostics: {:?}",
-            dag.diagnostics()
-        );
-    }
-
-    #[test]
-    fn opt_in_budget_violates_when_lane2_reads_sequential_indicator() {
-        let mut dag = compile_to_dag(
-            "// gunbc::r3_free_consequences::lane2_loop_witness: upsert_dependent\n\
-             import lenses.parallelism { parallelism_enforceable }\n\
-             fn gate95_demo_fn() -> Int = 0\n",
-            "gate95_iteration_parallelism_violation.v3",
-        )
-        .expect("compile");
-        let subject = dag.workflow_lane2_subject().expect("workflow shell bind");
-        let fn_decl = dag
-            .declaration_by_name("gate95_demo_fn")
-            .expect("fn decl")
-            .id;
-        let indicator = crate::loop_iteration_parallel_emission_indicator(&dag, subject);
-        assert_eq!(indicator, 0);
-        assert!(parallelism_iteration_opt_in_enforcement_violates(&dag, subject).unwrap());
-
-        push_parallelism_iteration_enforced_declaration(
-            &mut dag,
-            "gate95_iteration_parallelism_violation_witness",
-            fn_decl,
-            subject,
-        );
-        check_enforced_lens_applications(&mut dag);
-        assert_eq!(
-            dag.diagnostics().len(),
-            1,
-            "expected iteration-opt-in parallelism violation diagnostic; got {:?}",
-            dag.diagnostics()
-        );
-        let (_, diagnostic) = dag.diagnostics().iter().next().expect("diagnostic");
-        let Diagnostic::ParseError { message, .. } = diagnostic else {
-            panic!("expected ParseError violation, got {diagnostic:?}");
-        };
-        assert!(
-            message.contains("loop_iteration_parallel_emission_indicator=0"),
-            "message must name the sequential observation; got {message:?}"
-        );
-    }
-
-    #[test]
-    fn opt_in_rejects_out_of_range_node_scope_subject() {
-        let mut dag = compile_to_dag(
-            "// gunbc::r3_free_consequences::lane2_loop_witness: read_only\n\
-             import lenses.parallelism { parallelism_enforceable }\n\
-             fn gate95_demo_fn() -> Int = 0\n",
-            "gate95_oob_node_idx.v3",
-        )
-        .expect("compile");
-        let fn_decl = dag
-            .declaration_by_name("gate95_demo_fn")
-            .expect("fn decl")
-            .id;
-        let bogus_subject = NodeId::from_table_index(dag.nodes().len() as u32);
-        assert!(
-            dag.node_opt(&bogus_subject).is_none(),
-            "fixture must use one-past-last node index as nonexistent NodeId witness"
-        );
-        push_parallelism_iteration_enforced_declaration(
-            &mut dag,
-            "gate95_oob_witness",
-            fn_decl,
-            bogus_subject,
-        );
-        check_enforced_lens_applications(&mut dag);
-        assert_eq!(dag.diagnostics().len(), 1, "{:?}", dag.diagnostics());
-        let (_, diagnostic) = dag.diagnostics().iter().next().expect("diagnostic");
-        let Diagnostic::ParseError { message, .. } = diagnostic else {
-            panic!("expected ParseError coupling failure; got {diagnostic:?}");
-        };
-        assert!(
-            message.contains("fail closed") && message.contains("NodeScope"),
-            "unexpected message: {message:?}"
-        );
-    }
-
-    #[test]
-    fn opt_in_rejects_absent_declaration_reference_in_node_scope() {
-        let mut dag = compile_to_dag(
-            "// gunbc::r3_free_consequences::lane2_loop_witness: read_only\n\
-             import lenses.parallelism { parallelism_enforceable }\n\
-             fn gate95_demo_fn() -> Int = 0\n",
-            "gate95_absent_decl_ref.v3",
-        )
-        .expect("compile");
-        let subject = dag.workflow_lane2_subject().expect("workflow shell bind");
-        let phantom_decl = DeclarationId::test_raw(u32::MAX);
-        assert!(
-            dag.declaration_opt(&phantom_decl).is_none(),
-            "fixture phantom `DeclarationId` must be absent from the declaration table"
-        );
-        push_parallelism_iteration_enforced_declaration(
-            &mut dag,
-            "gate95_absent_decl_ref_witness",
-            phantom_decl,
-            subject,
-        );
-        check_enforced_lens_applications(&mut dag);
-        assert_eq!(dag.diagnostics().len(), 1, "{:?}", dag.diagnostics());
-        let (_, diagnostic) = dag.diagnostics().iter().next().expect("diagnostic");
-        let Diagnostic::ParseError { message, .. } = diagnostic else {
-            panic!("expected ParseError absent-declaration coupling failure; got {diagnostic:?}");
-        };
-        assert!(
-            message.contains("absent") && message.contains("`Dag`"),
-            "unexpected message: {message:?}"
-        );
-    }
-
-    #[test]
-    fn opt_in_rejects_node_scope_foreign_to_declaration() {
-        let mut dag = compile_to_dag(
-            "// gunbc::r3_free_consequences::lane2_loop_witness: read_only\n\
-             import lenses.parallelism { parallelism_enforceable }\n\
-             fn gate95_early() -> Int = 0\n\
-             fn gate95_last() -> Int = 1\n",
-            "gate95_foreign_subject.v3",
-        )
-        .expect("compile");
-        let fn_early = dag.declaration_by_name("gate95_early").expect("early").id;
-        let alien_subject = dag.workflow_lane2_subject().expect("last fn bind shell");
-        assert!(
-            !crate::dag::node_scope_subject_within_arrow_declaration(&dag, fn_early, alien_subject),
-            "fixture ordering invariant: alien subject must be outside gate95_early's lowered body \
-             (workflow shell must not alias the early Arrow root)"
-        );
-        push_parallelism_iteration_enforced_declaration(
-            &mut dag,
-            "gate95_foreign_subject_witness",
-            fn_early,
-            alien_subject,
-        );
-        check_enforced_lens_applications(&mut dag);
-        assert_eq!(dag.diagnostics().len(), 1, "{:?}", dag.diagnostics());
-        let (_, diagnostic) = dag.diagnostics().iter().next().expect("diagnostic");
-        let Diagnostic::ParseError { message, .. } = diagnostic else {
-            panic!("expected boundary ParseError for decoupled subject; got {diagnostic:?}");
-        };
-        assert!(
-            message.contains("lowered graph")
-                && message.contains("loop_iteration_parallel_emission_indicator"),
-            "unexpected coupling message: {message:?}"
-        );
-    }
-}
diff --git a/src/v3/compiler/src/infer.rs b/src/v3/compiler/src/infer.rs
deleted file mode 100644
index a2e35f06edc..00000000000
--- a/src/v3/compiler/src/infer.rs
+++ /dev/null
@@ -1,7504 +0,0 @@
-// Type inference: fills Port.state by propagating types forward through
-// the DAG. Dispatches on TypeConnective (M1_DESIGN.md §4) instead of the
-// old name-based function signature lookup.
-//
-// Transform.target is a DeclarationId. Inference reads the target's
-// Declaration and:
-//   - Arrow { inputs, output, body }: direct signature from the input and
-//     output declarations, converted to port-level TypeShape via the
-//     `declaration_to_type_shape` bridge.
-//   - Atom(Identifier { name, resolved }): follow the resolved link if set,
-//     otherwise look up the name in the Dag's declaration table
-//     (§8.9 inhabitance walk, reduced at M1(2.5) to direct primitive lookup
-//     pending the full algebra bootstrap in Phase 5).
-//   - Anything else: not callable.
-//
-// Fail-closed (invariant C-8): every detectable problem goes through
-// Dag::mark_unresolved. After inference, a post-sweep drives any remaining
-// Uninferred ports to Unresolved with a generic diagnostic so the
-// biconditional
-//   state == Unresolved  iff  diagnostics.contains(port_id)
-// and the post-invariant
-//   state != Uninferred after infer completes
-// both hold.
-//
-// **M1 extension — inference mutates `Dag.declarations`:** operator / algebra
-// resolution may `push_declaration` for anonymous `Instantiation` shapes (e.g.
-// `Result<T, DivError>` for totalizing `div`); `find_equivalent_anonymous_instantiation`
-// deduplicates so fixpoint growth stays bounded. `decide` takes `&mut Dag` and clones
-// each `Behavior` before matching so borrows stay sound — inference is not read-only
-// over the declaration table.
-
-use std::collections::HashSet;
-
-use crate::dag::{
-    substrate_div_error_type_decl_suppressed_for_emit,
-    substrate_result_type_decl_suppressed_for_emit, ArithmeticOp, ArrowBody, AtomPayload, Behavior,
-    BindNode, BindNodeId, CardinalityBound, Dag, Declaration, DeclarationId, Field, LiteralBits,
-    Lookup, NominalOpacity, PhantomParameter, PortId, PortState, TemplateArgument, TransformNode,
-    TransformTarget, TypeConnective,
-};
-use crate::diagnostics::{
-    declaration_display_name, example_source_for_decl, witness_correction_for_decl, Correction,
-    Diagnostic, SourceSpan,
-};
-use crate::infer_helpers::{
-    behavior_output_port, generated_template_arguments_match, normalize_instantiation_arguments,
-    payload_binding_span as generated_payload_binding_span,
-    push_template_argument_binding as generated_push_template_argument_binding,
-    resolve_template_argument_value as generated_resolve_template_argument_value,
-    template_argument_value as generated_template_argument_value, NormalizedInstantiationArgs,
-    TemplateArgumentBinding, TemplateArgumentsMatch,
-};
-use std::str::FromStr;
-
-use num_bigint::BigInt;
-
-use crate::int_literal_ranges::{
-    int_literal_allowed_integral_seed_for_real_decl, int_literal_fits_expected_type,
-    integer_range_for_decl, literal_bigint_at, magnitude_out_of_range_for_interval,
-    IntegerRangeLookup,
-};
-use crate::lower::{
-    clone_predicate_body, int_literal_bigint_statically_discharges_refinement_chain,
-    outer_predicate_slots,
-};
-use crate::operators::{LogicalOp, OperatorKind};
-use crate::types::TypeShape;
-
-/// Outcome of [`try_reconcile_int_literal_decision_set`].
-enum IntLiteralSetReconciliation {
-    /// Reconciled without changing the port (narrow annotation already wins over default `Int`).
-    Keep,
-    /// Applied `set_port_type` to narrow a default-`Int` literal port to `ty`.
-    SetNarrow,
-    /// `mark_unresolved` with a magnitude or other diagnostic.
-    Marked,
-}
-
-/// Reconcile `Decision::Set` for ports backed by an integer literal when the proposed
-/// and existing [`TypeShape`] would otherwise `TypeMismatch`: (a) `let`/`data`
-/// pre-seed vs default `Int`, (b) call-sites that propose a callee's narrow
-/// type over a default-`Int` argument.
-fn try_reconcile_int_literal_decision_set(
-    dag: &mut Dag,
-    port: PortId,
-    existing: TypeShape,
-    ty: TypeShape,
-) -> Option<IntLiteralSetReconciliation> {
-    let default_int = dag.int_shape()?;
-    let literal = literal_bigint_at(dag, port)?;
-    if type_shapes_equivalent(dag, &ty, &default_int) {
-        match int_literal_fits_expected_type(dag, &literal, existing.declaration) {
-            Ok(Some(true)) => Some(IntLiteralSetReconciliation::Keep),
-            Ok(Some(false)) => {
-                if let IntegerRangeLookup::Found(range) =
-                    integer_range_for_decl(dag, existing.declaration)
-                {
-                    let span = node_span_for_port(dag, port).unwrap_or_else(synthetic_span);
-                    dag.mark_unresolved(
-                        port,
-                        magnitude_out_of_range_for_interval(&literal, existing, range, span),
-                    );
-                    Some(IntLiteralSetReconciliation::Marked)
-                } else {
-                    None
-                }
-            }
-            Ok(None) => {
-                if int_literal_allowed_integral_seed_for_real_decl(
-                    dag,
-                    &literal,
-                    existing.declaration,
-                ) {
-                    Some(IntLiteralSetReconciliation::Keep)
-                } else {
-                    None
-                }
-            }
-            Err(diag) => {
-                if !matches!(dag.port(port).state(), PortState::Unresolved) {
-                    dag.mark_unresolved(port, diag);
-                }
-                Some(IntLiteralSetReconciliation::Marked)
-            }
-        }
-    } else if type_shapes_equivalent(dag, &existing, &default_int) {
-        match int_literal_fits_expected_type(dag, &literal, ty.declaration) {
-            Ok(Some(true)) => {
-                dag.set_port_type(port, ty);
-                Some(IntLiteralSetReconciliation::SetNarrow)
-            }
-            Ok(Some(false)) => {
-                if let IntegerRangeLookup::Found(range) =
-                    integer_range_for_decl(dag, ty.declaration)
-                {
-                    let span = node_span_for_port(dag, port).unwrap_or_else(synthetic_span);
-                    dag.mark_unresolved(
-                        port,
-                        magnitude_out_of_range_for_interval(&literal, ty, range, span),
-                    );
-                    Some(IntLiteralSetReconciliation::Marked)
-                } else {
-                    None
-                }
-            }
-            Ok(None) => {
-                if int_literal_allowed_integral_seed_for_real_decl(dag, &literal, ty.declaration) {
-                    dag.set_port_type(port, ty);
-                    Some(IntLiteralSetReconciliation::SetNarrow)
-                } else {
-                    None
-                }
-            }
-            Err(diag) => {
-                if !matches!(dag.port(port).state(), PortState::Unresolved) {
-                    dag.mark_unresolved(port, diag);
-                }
-                Some(IntLiteralSetReconciliation::Marked)
-            }
-        }
-    } else {
-        None
-    }
-}
-
-pub fn infer(dag: &mut Dag) {
-    // Fixpoint loop. Runs decide for every node, then pattern
-    // resolution + exhaustiveness + uniqueness for every Branch.
-    // Pattern resolution is folded into the loop (not run after it)
-    // so a Branch that gets flipped to Unresolved by
-    // non-exhaustive/duplicate-arm checks propagates to downstream
-    // consumers: the next iteration's decide pass sees the upstream
-    // Unresolved and cascades Decision::Fail through Transform /
-    // Branch / Loop / Bind consumers. Running pattern resolution
-    // after the main loop would leave downstream types stale and
-    // violate FAIL-CLOSED.
-    loop {
-        ensure_all_optional_match_disjs(dag);
-        let mut changed = false;
-        let node_count = dag.nodes().len();
-        for i in 0..node_count {
-            match decide(dag, i) {
-                Decision::Set(port, ty) => {
-                    if matches!(dag.port(port).state(), PortState::Unresolved) {
-                        continue;
-                    }
-                    match dag.port(port).state().clone() {
-                        PortState::Uninferred => {
-                            dag.set_port_type(port, ty);
-                            changed = true;
-                        }
-                        PortState::Resolved(existing)
-                            if type_shapes_equivalent(dag, &existing, &ty) => {}
-                        PortState::Resolved(existing) => {
-                            match int_literal_magnitude_narrow_merge(dag, port, &existing, &ty) {
-                                IntLiteralNarrowMerge::Merge => {
-                                    dag.set_port_type(port, ty);
-                                    changed = true;
-                                    continue;
-                                }
-                                IntLiteralNarrowMerge::Reject(diag) => {
-                                    dag.mark_unresolved(port, *diag);
-                                    changed = true;
-                                    continue;
-                                }
-                                IntLiteralNarrowMerge::NotApplicable => {}
-                            }
-                            if is_retryable_generic_decl(dag, existing.declaration)
-                                || is_retryable_generic_decl(dag, ty.declaration)
-                            {
-                                dag.set_port_type(port, ty);
-                                changed = true;
-                                continue;
-                            }
-                            if let Some(outcome) =
-                                try_reconcile_int_literal_decision_set(dag, port, existing, ty)
-                            {
-                                match outcome {
-                                    IntLiteralSetReconciliation::Keep => continue,
-                                    IntLiteralSetReconciliation::SetNarrow
-                                    | IntLiteralSetReconciliation::Marked => {
-                                        changed = true;
-                                        continue;
-                                    }
-                                }
-                            }
-                            let span = node_span_for_port(dag, port).unwrap_or_else(synthetic_span);
-                            let correction = witness_correction_for_decl(
-                                dag,
-                                existing.declaration,
-                                span.clone(),
-                                format!(
-                                    "replace this expression with a `{}` value",
-                                    declaration_display_name(dag, existing.declaration)
-                                ),
-                            )
-                            .unwrap_or_else(|| {
-                                Correction::deferred_for_diagnostic_class("InferenceDiagnostic")
-                            });
-                            let diag = Diagnostic::TypeMismatch {
-                                expected: existing,
-                                actual: ty,
-                                span,
-                                correction,
-                            };
-                            dag.mark_unresolved(port, diag);
-                            changed = true;
-                        }
-                        PortState::Unresolved => unreachable!("guarded above"),
-                    }
-                }
-                Decision::Fail(port, diag) => {
-                    if !matches!(dag.port(port).state(), PortState::Unresolved) {
-                        dag.mark_unresolved(port, *diag);
-                        changed = true;
-                    }
-                }
-                Decision::Retry => {}
-            }
-        }
-        if resolve_branch_patterns(dag) {
-            changed = true;
-        }
-        if resolve_branch_payload_bindings(dag) {
-            changed = true;
-        }
-        if resolve_field_project_targets(dag) {
-            changed = true;
-        }
-        if resolve_callable_targets(dag) {
-            changed = true;
-        }
-        if materialize_callable_signature_instantiations(dag) {
-            changed = true;
-        }
-        if resolve_lambda_parameter_types(dag) {
-            changed = true;
-        }
-        if validate_user_defined_function_signatures(dag) {
-            changed = true;
-        }
-        if !changed {
-            break;
-        }
-    }
-
-    // Post-sweep: any port still Uninferred means decide() missed a case.
-    let uninferred_ports: Vec<PortId> = dag
-        .all_ports()
-        .filter(|p| matches!(p.state(), PortState::Uninferred))
-        .map(|p| p.id())
-        .collect();
-    for port in uninferred_ports {
-        let span = node_span_for_port(dag, port).unwrap_or_else(synthetic_span);
-        dag.mark_unresolved(
-            port,
-            Diagnostic::ResolveError {
-                name: "(inference did not resolve this port)".to_string(),
-                span,
-                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-            },
-        );
-    }
-
-    crate::enforced_lens_application::check_enforced_lens_applications(dag);
-}
-
-/// Walk a declaration through `Instantiation` / `ResolvedIdentifier`
-/// edges until it reaches a declaration whose connective is
-/// `Disj`. Returns the `DeclarationId` of that Disj declaration —
-/// or `None` if no Disj is reachable within `WALK_DEPTH_LIMIT`
-/// steps, or the chain terminates at some other connective.
-///
-/// Used by both the `decide_transform` Branch gate and the
-/// post-infer `resolve_branch_patterns` pass so that aliased or
-/// instantiated sum types (`type Hue = Color` where
-/// `Color = Red | Green | Blue`) resolve to the same underlying
-/// `Disj` fact whether their immediate connective is the Disj
-/// itself, an `Instantiation` pointing at it, or an
-/// `Atom(ResolvedIdentifier(...))` chain of aliases. The
-/// alternative — reading `decl.connective` directly — would
-/// reject aliases even though the underlying sum fact survives
-/// in the declaration graph, violating Facts Flow Forward.
-fn walk_to_disj_decl(dag: &Dag, start: DeclarationId) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..WALK_DEPTH_LIMIT {
-        let decl = dag.declaration(current);
-        match &decl.connective {
-            TypeConnective::Disj { .. } => return Some(current),
-            TypeConnective::Cardinality(p)
-                if p.bound() == crate::dag::CardinalityBound::AtMostOne =>
-            {
-                return existing_optional_match_disj_decl(dag, current);
-            }
-            TypeConnective::Instantiation { template, .. } => {
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            _ => return None,
-        }
-    }
-    None
-}
-
-fn existing_optional_match_disj_decl(
-    dag: &Dag,
-    cardinality_decl_id: DeclarationId,
-) -> Option<DeclarationId> {
-    dag.optional_match_disj(cardinality_decl_id)
-}
-
-fn walk_to_optional_cardinality_decl(dag: &Dag, start: DeclarationId) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..WALK_DEPTH_LIMIT {
-        match &dag.declaration(current).connective {
-            TypeConnective::Cardinality(p)
-                if p.bound() == crate::dag::CardinalityBound::AtMostOne =>
-            {
-                return Some(current);
-            }
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            _ => return None,
-        }
-    }
-    None
-}
-
-pub(crate) fn ensure_optional_match_disj(
-    dag: &mut Dag,
-    cardinality_decl_id: DeclarationId,
-) -> Option<DeclarationId> {
-    if let Some(existing) = existing_optional_match_disj_decl(dag, cardinality_decl_id) {
-        return Some(existing);
-    }
-    let (element, span) = match dag.declaration(cardinality_decl_id).connective.clone() {
-        TypeConnective::Cardinality(p) if p.bound() == crate::dag::CardinalityBound::AtMostOne => (
-            p.element(),
-            dag.declaration(cardinality_decl_id).span.clone(),
-        ),
-        _ => return None,
-    };
-
-    let some_payload_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: some_payload_id,
-        name: None,
-        connective: TypeConnective::Conj {
-            children: vec![Field {
-                label: "_0".to_string(),
-                ty: element,
-            }],
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span.clone(),
-    });
-
-    let none_payload_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: none_payload_id,
-        name: None,
-        connective: TypeConnective::Conj {
-            children: Vec::new(),
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span.clone(),
-    });
-
-    let disj_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: disj_id,
-        name: None,
-        connective: TypeConnective::Disj {
-            variants: vec![
-                Field {
-                    label: "Some".to_string(),
-                    ty: some_payload_id,
-                },
-                Field {
-                    label: "None".to_string(),
-                    ty: none_payload_id,
-                },
-            ],
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span,
-    });
-    dag.set_optional_match_disj(cardinality_decl_id, disj_id);
-
-    Some(disj_id)
-}
-
-/// Materialize `Some`/`None` match sums for every `Cardinality(_, AtMostOne)` row so
-/// downstream structural consumers (substrate reflection, lenses) can use
-/// `Dag::optional_match_disj` without requiring an optional scrutinee on a Branch.
-pub(crate) fn ensure_all_optional_match_disjs(dag: &mut Dag) {
-    let decl_ids: Vec<DeclarationId> = dag.declarations().iter().map(|d| d.id).collect();
-    for decl_id in decl_ids {
-        if matches!(
-            &dag.declaration(decl_id).connective,
-            TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne
-        ) && existing_optional_match_disj_decl(dag, decl_id).is_none()
-        {
-            ensure_optional_match_disj(dag, decl_id).expect(
-                "AtMostOne cardinality without optional_match_disj should materialize a Some/None disj",
-            );
-        }
-    }
-}
-
-/// For every Branch node, resolve each Path's `BranchPattern` by
-/// matching the arm's variant name against the scrutinee's Disj
-/// children and verify exhaustiveness + uniqueness. Mutates the
-/// Path in place for successful rewrites, marks the Branch's
-/// output port Unresolved (via `Dag::mark_unresolved`) for
-/// failures. Skips Branches whose input port is not yet Resolved —
-/// those will be revisited on the next fixpoint iteration.
-///
-/// Aliases / instantiations of sum types normalize through
-/// `walk_to_disj_decl` before variant resolution, so `type Hue =
-/// Color` and `Color = Red | Green | Blue` both resolve arms
-/// against `Color`'s variants.
-///
-/// Returns `true` if any state (Path.pattern rewrite or Branch
-/// output port transition) changed, so the calling fixpoint loop
-/// knows to keep iterating. Pattern-resolution changes and
-/// coverage-check failures both propagate downstream through the
-/// normal `decide_transform` cascade in subsequent iterations.
-fn resolve_branch_patterns(dag: &mut Dag) -> bool {
-    let mut changed = false;
-    let optional_scrutinees: HashSet<DeclarationId> = dag
-        .nodes()
-        .iter()
-        .filter_map(|node| {
-            let Behavior::Branch(branch) = node else {
-                return None;
-            };
-            let PortState::Resolved(ty) = dag.port(branch.input).state() else {
-                return None;
-            };
-            walk_to_optional_cardinality_decl(dag, ty.declaration)
-        })
-        .collect();
-    for decl_id in optional_scrutinees {
-        if existing_optional_match_disj_decl(dag, decl_id).is_none()
-            && ensure_optional_match_disj(dag, decl_id).is_some()
-        {
-            changed = true;
-        }
-    }
-    // Collect the rewrites first (immutable borrow of nodes + ports +
-    // declarations), then apply them (mutable borrow of nodes). This
-    // two-phase pattern avoids borrow conflicts while still reading
-    // declaration bodies.
-    struct Rewrite {
-        node_index: usize,
-        path_index: usize,
-        result: Result<DeclarationId, Diagnostic>,
-        output_port: PortId,
-    }
-    let mut rewrites: Vec<Rewrite> = Vec::new();
-    // Coverage check: for each Branch, after resolving all paths,
-    // verify the resolved set equals the scrutinee's Disj variant set
-    // exactly (every variant covered by exactly one arm). Missing or
-    // duplicated arms are fail-closed diagnostics on the Branch's
-    // output port.
-    struct CoverageCheck {
-        output_port: PortId,
-        span: SourceSpan,
-        expected: Vec<(String, DeclarationId)>,
-        arm_outputs: Vec<PortId>,
-        // Parallel vec of (resolved_decl_id, arm_name_for_diagnostic)
-        // collected in path order. Paths whose resolution failed are
-        // not included — their error already fires, so coverage is
-        // reported only on the subset that resolved.
-        resolved_arms: Vec<(DeclarationId, String)>,
-    }
-    let mut coverage_checks: Vec<CoverageCheck> = Vec::new();
-    for (node_index, node) in dag.nodes().iter().enumerate() {
-        let Behavior::Branch(b) = node else {
-            continue;
-        };
-        let scrutinee_ty = match dag.port(b.input).state() {
-            PortState::Resolved(ty) => *ty,
-            PortState::Unresolved | PortState::Uninferred => continue,
-        };
-        // Walk the scrutinee through alias / instantiation edges to
-        // the underlying Disj. `type Hue = Color` and
-        // `Color = Red | Green | Blue` both resolve arms against
-        // `Color`'s variants via this walk.
-        let Some(disj_decl_id) = walk_to_disj_decl(dag, scrutinee_ty.declaration).or_else(|| {
-            walk_to_optional_cardinality_decl(dag, scrutinee_ty.declaration)
-                .and_then(|cardinality| existing_optional_match_disj_decl(dag, cardinality))
-        }) else {
-            // Scrutinee doesn't resolve to a Disj — the main infer
-            // pass caught this as a TypeMismatch already. Skip.
-            continue;
-        };
-        let disj_variants: Vec<(String, DeclarationId)> =
-            match &dag.declaration(disj_decl_id).connective {
-                TypeConnective::Disj { variants } => {
-                    variants.iter().map(|f| (f.label.clone(), f.ty)).collect()
-                }
-                _ => unreachable!("walk_to_disj_decl returned a non-Disj declaration"),
-            };
-        let mut resolved_arms: Vec<(DeclarationId, String)> = Vec::new();
-        for (path_index, path) in b.paths.iter().enumerate() {
-            let result = match &path.pattern {
-                crate::dag::BranchPattern::ResolvedVariant(id) => {
-                    // Already resolved (e.g., if/else paths on a
-                    // second infer pass). Record for coverage check
-                    // and skip the rewrite.
-                    let arm_name = disj_variants
-                        .iter()
-                        .find(|(_, variant_id)| variant_id == id)
-                        .map(|(label, _)| label.clone())
-                        .unwrap_or_else(|| format!("declaration#{}", id.raw()));
-                    resolved_arms.push((*id, arm_name));
-                    continue;
-                }
-                crate::dag::BranchPattern::UnresolvedVariant { name, span } => {
-                    match disj_variants.iter().find(|(label, _)| label == name) {
-                        Some((_, ty)) => {
-                            resolved_arms.push((*ty, name.clone()));
-                            Ok(*ty)
-                        }
-                        None if bare_pattern_label_resolves_to_symbol_data(dag, name) => {
-                            Err(Diagnostic::ResolveError {
-                                name: format!(
-                                    "bare Symbol constant `{name}` cannot be used as a match pattern; use explicit equality dispatch before this match"
-                                ),
-                                span: span.clone(),
-                                correction: Correction::deferred_for_diagnostic_class(
-                                    "InferenceDiagnostic",
-                                ),
-                            })
-                        }
-                        None => Err(Diagnostic::ResolveError {
-                            name: format!(
-                                "variant `{name}` is not a constructor of this match's scrutinee type"
-                            ),
-                            span: span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                        }),
-                    }
-                }
-            };
-            rewrites.push(Rewrite {
-                node_index,
-                path_index,
-                result,
-                output_port: b.output,
-            });
-        }
-        coverage_checks.push(CoverageCheck {
-            output_port: b.output,
-            span: b.span.clone(),
-            expected: disj_variants,
-            arm_outputs: b.paths.iter().map(|path| path.output).collect(),
-            resolved_arms,
-        });
-    }
-    for rewrite in rewrites {
-        match rewrite.result {
-            Ok(variant_id) => {
-                if let Behavior::Branch(b) = &mut dag.nodes_mut()[rewrite.node_index] {
-                    b.paths[rewrite.path_index].pattern =
-                        crate::dag::BranchPattern::ResolvedVariant(variant_id);
-                    changed = true;
-                }
-            }
-            Err(diag) => {
-                if !matches!(dag.port(rewrite.output_port).state(), PortState::Unresolved) {
-                    dag.mark_unresolved(rewrite.output_port, diag);
-                    changed = true;
-                }
-            }
-        }
-    }
-    // Coverage pass: for each Branch whose paths resolved (fully or
-    // partially), verify exhaustiveness (every variant covered) and
-    // uniqueness (no variant duplicated). Skip if the Branch's output
-    // already has a diagnostic from a pattern resolution failure —
-    // coverage is meaningless on a partially-resolved arm set.
-    for check in coverage_checks {
-        if matches!(dag.port(check.output_port).state(), PortState::Unresolved) {
-            continue;
-        }
-        // Uniqueness: each resolved DeclarationId appears at most once.
-        let mut seen: HashSet<DeclarationId> = HashSet::new();
-        let mut duplicate: Option<String> = None;
-        for (id, name) in &check.resolved_arms {
-            if !seen.insert(*id) {
-                duplicate = Some(name.clone());
-                break;
-            }
-        }
-        if let Some(name) = duplicate {
-            dag.mark_unresolved(
-                check.output_port,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "duplicate match arm for variant `{name}` — each variant of a sum type must match exactly once"
-                    ),
-                    span: check.span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                },
-            );
-            changed = true;
-            continue;
-        }
-        // Exhaustiveness: every expected variant must be in the
-        // resolved set. Surface the first missing variant's name as
-        // the diagnostic label.
-        let missing: Vec<&str> = check
-            .expected
-            .iter()
-            .filter(|(_, id)| !seen.contains(id))
-            .map(|(label, _)| label.as_str())
-            .collect();
-        if !missing.is_empty() {
-            let missing_list = missing.join(", ");
-            let arm_prefix = if check.resolved_arms.is_empty() {
-                ""
-            } else {
-                ", "
-            };
-            let body = branch_output_example_source(dag, check.output_port, &check.arm_outputs);
-            let insert_at = check.span.byte_end.saturating_sub(1);
-            let correction_span = SourceSpan::new(check.span.file.clone(), insert_at, insert_at);
-            let arms = missing
-                .iter()
-                .map(|variant| format!("{variant} => {body}"))
-                .collect::<Vec<_>>()
-                .join(", ");
-            dag.mark_unresolved(
-                check.output_port,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "non-exhaustive match: missing arm(s) for variant(s) `{missing_list}` — every constructor of the scrutinee's sum type must be covered"
-                    ),
-                    span: check.span,
-                    correction: Correction::live(
-                        format!("add missing arm(s) for `{missing_list}`"),
-                        correction_span,
-                        format!("{arm_prefix}{arms}"),
-                    ),
-                },
-            );
-            changed = true;
-        }
-    }
-    changed
-}
-
-fn bare_pattern_label_resolves_to_symbol_data(dag: &Dag, name: &str) -> bool {
-    let Some(symbol_decl) = dag.declaration_by_name("Symbol") else {
-        return false;
-    };
-    dag.declaration_by_name(name)
-        .is_some_and(|decl| decl.inhabits == Some(symbol_decl.id))
-}
-
-fn branch_output_example_source(dag: &Dag, output_port: PortId, arm_outputs: &[PortId]) -> String {
-    std::iter::once(output_port)
-        .chain(arm_outputs.iter().copied())
-        .find_map(|port| match dag.port(port).state() {
-            PortState::Resolved(output_ty) => example_source_for_decl(dag, output_ty.declaration),
-            PortState::Uninferred | PortState::Unresolved => None,
-        })
-        .unwrap_or_else(|| "()".to_string())
-}
-
-fn branch_payload_binding_span(path: &crate::dag::Path, branch_span: &SourceSpan) -> SourceSpan {
-    let extent = generated_payload_binding_span(path, branch_span);
-    let file = match &path.pattern {
-        crate::dag::BranchPattern::UnresolvedVariant { span, .. } => span.file.clone(),
-        crate::dag::BranchPattern::ResolvedVariant(_) => branch_span.file.clone(),
-    };
-    SourceSpan::new(file, extent.byte_start, extent.byte_end)
-}
-
-fn resolve_branch_payload_bindings(dag: &mut Dag) -> bool {
-    struct BindingRewrite {
-        port: PortId,
-        span: SourceSpan,
-        result: Result<PayloadBindingResolution, Diagnostic>,
-    }
-
-    let mut rewrites: Vec<BindingRewrite> = Vec::new();
-
-    for node in dag.nodes() {
-        let Behavior::Branch(b) = node else {
-            continue;
-        };
-
-        match dag.port(b.input).state() {
-            PortState::Uninferred => continue,
-            PortState::Unresolved => {
-                for path in &b.paths {
-                    let Some(binding) = &path.binding else {
-                        continue;
-                    };
-                    rewrites.push(BindingRewrite {
-                        port: binding.payload_port,
-                        span: branch_payload_binding_span(path, &b.span),
-                        result: Err(Diagnostic::ResolveError {
-                            name: "(upstream failure in match payload binding)".to_string(),
-                            span: branch_payload_binding_span(path, &b.span),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        }),
-                    });
-                }
-            }
-            PortState::Resolved(scrutinee_ty) => {
-                let mut subst = SubstStack::new();
-                let disj_decl_id =
-                    walk_to_disj_decl_with_subst(dag, scrutinee_ty.declaration, &mut subst);
-                if disj_decl_id.is_none()
-                    && is_retryable_generic_decl(dag, scrutinee_ty.declaration)
-                {
-                    continue;
-                }
-                let variants = disj_decl_id.map(|id| match &dag.declaration(id).connective {
-                    TypeConnective::Disj { variants } => variants
-                        .iter()
-                        .map(|field| (field.label.clone(), field.ty))
-                        .collect::<Vec<_>>(),
-                    _ => {
-                        unreachable!("walk_to_disj_decl_with_subst returned a non-Disj declaration")
-                    }
-                });
-
-                for path in &b.paths {
-                    let Some(binding) = &path.binding else {
-                        continue;
-                    };
-                    let span = branch_payload_binding_span(path, &b.span);
-                    let result = match &variants {
-                        None => Err(Diagnostic::ResolveError {
-                            name: format!(
-                                "cannot bind payload `{}` because the match scrutinee does not walk to a Disj type",
-                                binding.binding_name
-                            ),
-                            span: span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                        }),
-                        Some(variants) => {
-                            let variant = match &path.pattern {
-                                crate::dag::BranchPattern::ResolvedVariant(id) => {
-                                    variants.iter().find(|(_, ty)| *ty == *id)
-                                }
-                                crate::dag::BranchPattern::UnresolvedVariant { name, .. } => {
-                                    variants.iter().find(|(label, _)| label == name)
-                                }
-                            };
-                            match variant {
-                                Some((variant_name, variant_id)) => resolve_payload_binding_type(
-                                    dag,
-                                    *variant_id,
-                                    &subst,
-                                    variant_name,
-                                    &binding.binding_name,
-                                    &span,
-                                ),
-                                None => {
-                                    let arm_name = match &path.pattern {
-                                        crate::dag::BranchPattern::ResolvedVariant(id) => variants
-                                            .iter()
-                                            .find(|(_, ty)| *ty == *id)
-                                            .map(|(label, _)| label.clone())
-                                            .unwrap_or_else(|| format!("declaration#{}", id.raw())),
-                                        crate::dag::BranchPattern::UnresolvedVariant { name, .. } => {
-                                            name.clone()
-                                        }
-                                    };
-                                    Err(Diagnostic::ResolveError {
-                                        name: format!(
-                                            "variant `{arm_name}` is not a constructor of this match's scrutinee type"
-                                        ),
-                                        span: span.clone(),
-                                    correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                                    })
-                                }
-                            }
-                        }
-                    };
-                    rewrites.push(BindingRewrite {
-                        port: binding.payload_port,
-                        span,
-                        result,
-                    });
-                }
-            }
-        }
-    }
-
-    let mut changed = false;
-    for rewrite in rewrites {
-        match rewrite.result {
-            Ok(resolution) => {
-                let ty = match resolution {
-                    PayloadBindingResolution::Direct(ty) => ty,
-                    PayloadBindingResolution::SpecializedRecord {
-                        variant_decl_id,
-                        subst,
-                    } => materialize_specialized_payload_record(dag, variant_decl_id, &subst),
-                };
-                match dag.port(rewrite.port).state().clone() {
-                    PortState::Unresolved => {}
-                    PortState::Uninferred => {
-                        dag.set_port_type(rewrite.port, ty);
-                        changed = true;
-                    }
-                    PortState::Resolved(existing)
-                        if type_shapes_equivalent(dag, &existing, &ty) => {}
-                    PortState::Resolved(existing) => {
-                        dag.mark_unresolved(
-                            rewrite.port,
-                            Diagnostic::TypeMismatch {
-                                expected: existing,
-                                actual: ty,
-                                span: rewrite.span,
-                                correction: Correction::deferred_for_diagnostic_class(
-                                    "InferenceDiagnostic",
-                                ),
-                            },
-                        );
-                        changed = true;
-                    }
-                }
-            }
-            Err(diag) => {
-                if !matches!(dag.port(rewrite.port).state(), PortState::Unresolved) {
-                    dag.mark_unresolved(rewrite.port, diag);
-                    changed = true;
-                }
-            }
-        }
-    }
-
-    changed
-}
-
-/// T-Modeling int-lit / PR #806 consumer: allow `i64` default-typed int
-/// literal output ports to refine to a range-backed fixed-width `IntegerPrimitive`
-/// when the magnitude fits, without treating it as a conflicting resolution.
-#[derive(Debug)]
-enum IntLiteralNarrowMerge {
-    /// Narrow to the fixed-width type — caller should `set_port_type` to `to`.
-    Merge,
-    /// Not a default-`Int` literal → fixed-width call-site narrow case.
-    NotApplicable,
-    /// Preserve typed diagnostics (e.g. [`Diagnostic::MagnitudeOutOfRange`]) like the
-    /// annotated-`let` value-node path, not a silent fallback to `TypeMismatch`.
-    Reject(Box<Diagnostic>),
-}
-
-impl IntLiteralNarrowMerge {
-    fn reject(diagnostic: Diagnostic) -> Self {
-        Self::Reject(Box::new(diagnostic))
-    }
-}
-
-fn int_literal_magnitude_narrow_merge(
-    dag: &Dag,
-    port: PortId,
-    from: &TypeShape,
-    to: &TypeShape,
-) -> IntLiteralNarrowMerge {
-    let Some(lit) = literal_bigint_at(dag, port) else {
-        return IntLiteralNarrowMerge::NotApplicable;
-    };
-    let Some(int_shape) = dag.int_shape() else {
-        return IntLiteralNarrowMerge::NotApplicable;
-    };
-    if !type_shapes_equivalent(dag, from, &int_shape) {
-        return IntLiteralNarrowMerge::NotApplicable;
-    }
-    let span = node_span_for_port(dag, port).unwrap_or_else(synthetic_span);
-    match int_literal_fits_expected_type(dag, &lit, to.declaration) {
-        Ok(Some(true)) => IntLiteralNarrowMerge::Merge,
-        Ok(Some(false)) => match integer_range_for_decl(dag, to.declaration) {
-            IntegerRangeLookup::Found(bound) => IntLiteralNarrowMerge::reject(
-                magnitude_out_of_range_for_interval(&lit, *to, bound, span),
-            ),
-            IntegerRangeLookup::Invalid(diag) => IntLiteralNarrowMerge::reject(diag),
-            IntegerRangeLookup::Missing => {
-                IntLiteralNarrowMerge::reject(Diagnostic::ResolveError {
-                    name: "(internal: integer literal out of range but no range fact)".to_string(),
-                    span,
-                    correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                })
-            }
-        },
-        Err(diag) => IntLiteralNarrowMerge::reject(diag),
-        Ok(None) => {
-            if int_literal_allowed_integral_seed_for_real_decl(dag, &lit, to.declaration) {
-                IntLiteralNarrowMerge::Merge
-            } else {
-                IntLiteralNarrowMerge::NotApplicable
-            }
-        }
-    }
-}
-
-enum Decision {
-    Set(PortId, TypeShape),
-    Fail(PortId, Box<Diagnostic>),
-    Retry,
-}
-
-impl Decision {
-    fn fail(port: PortId, diagnostic: Diagnostic) -> Self {
-        Self::Fail(port, Box::new(diagnostic))
-    }
-}
-
-fn decide(dag: &mut Dag, index: usize) -> Decision {
-    // Clone before matching so `decide_transform` can take `&mut Dag` without
-    // holding an immutable borrow of `dag.nodes()` across the call.
-    let behavior = dag.nodes()[index].clone();
-    match &behavior {
-        Behavior::Value(v) => {
-            // `let x: UInt8 = 5` seeds the value port to `UInt8` after lowering;
-            // the Int literal Value node would otherwise re-stamp `Int64` here and
-            // clobber host narrowing. If the port is already a non-`Int` type, only
-            // defer (Retry) when range facts prove the literal fits that type.
-            // Otherwise fail closed with `MagnitudeOutOfRange` (same contract as
-            // call-site narrowing) or fall through so normal mismatch handling
-            // applies when there is no range-backed check.
-            if let LiteralBits::Int(lit_str) = &v.data {
-                let Some(literal) = BigInt::from_str(lit_str.as_str()).ok() else {
-                    return Decision::fail(
-                        v.output,
-                        Diagnostic::ResolveError {
-                            name: "internal: malformed decimal integer literal".to_string(),
-                            span: v.span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        },
-                    );
-                };
-                if let PortState::Resolved(existing) = dag.port(v.output).state() {
-                    if let Some(int_sh) = dag.int_shape() {
-                        if !type_shapes_equivalent(dag, existing, &int_sh) {
-                            match int_literal_fits_expected_type(
-                                dag,
-                                &literal,
-                                existing.declaration,
-                            ) {
-                                Ok(Some(true)) => return Decision::Retry,
-                                Ok(Some(false)) => {
-                                    match integer_range_for_decl(dag, existing.declaration) {
-                                        IntegerRangeLookup::Found(range) => {
-                                            return Decision::fail(
-                                                v.output,
-                                                magnitude_out_of_range_for_interval(
-                                                    &literal,
-                                                    *existing,
-                                                    range,
-                                                    v.span.clone(),
-                                                ),
-                                            );
-                                        }
-                                        IntegerRangeLookup::Invalid(diag) => {
-                                            return Decision::fail(v.output, diag);
-                                        }
-                                        IntegerRangeLookup::Missing => {
-                                            return Decision::fail(
-                                                v.output,
-                                                Diagnostic::ResolveError {
-                                                    name: "(internal: integer literal out of range but no range fact)"
-                                                        .to_string(),
-                                                    span: v.span.clone(),
-                                                    correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                                                },
-                                            );
-                                        }
-                                    }
-                                }
-                                Err(diag) => return Decision::fail(v.output, diag),
-                                Ok(None) => {}
-                            }
-                            // No integer `range(min,max)` facts: allow lossless integral literals to
-                            // seed fixed-width `Real<N>` / `Float<N>` while float lexemes are absent.
-                            if int_literal_allowed_integral_seed_for_real_decl(
-                                dag,
-                                &literal,
-                                existing.declaration,
-                            ) {
-                                return Decision::Set(v.output, *existing);
-                            }
-                        }
-                    }
-                }
-            }
-            let shape_and_name = match &v.data {
-                // Unconstrained integer literals keep the existing explicit
-                // default to Int64. Expected-type narrowing happens at
-                // reconciliation sites below, against range facts.
-                LiteralBits::Int(_) => (dag.int_shape(), "Int"),
-                LiteralBits::Bool(_) => (dag.bool_shape(), "Bool"),
-                LiteralBits::String(_) => (dag.string_shape(), "String"),
-                LiteralBits::Symbol(_) => (
-                    dag.declaration_by_name("Symbol")
-                        .map(|decl| TypeShape::new(decl.id)),
-                    "Symbol",
-                ),
-            };
-            let Some(ty) = shape_and_name.0 else {
-                return Decision::fail(
-                    v.output,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "primitive `{}` missing from declaration table — bootstrap failed",
-                            shape_and_name.1
-                        ),
-                        span: v.span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class(
-                            "InferenceDiagnostic",
-                        ),
-                    },
-                );
-            };
-            Decision::Set(v.output, ty)
-        }
-        Behavior::Transform(t) => decide_transform(dag, t),
-        Behavior::Branch(b) => {
-            // Branch dispatches on a sum type. Its input must
-            // walk through alias/instantiation edges to a
-            // declaration whose connective is
-            // `TypeConnective::Disj { .. }`. Bool and Classical are
-            // Disj declarations (True | False), so `if` lowers here
-            // naturally. User-defined sums like
-            // `type Sign = Plus | Minus` also pass. Aliased sums
-            // (`type Hue = Color` where Color is a sum) pass
-            // via `walk_to_disj_decl`. String, Int, Float, etc.
-            // fail this check — the previous M0 "must be Bool"
-            // rule was the degenerate case of this broader rule.
-            match dag.port(b.input).state() {
-                PortState::Uninferred => return Decision::Retry,
-                PortState::Unresolved => {
-                    return Decision::fail(
-                        b.output,
-                        Diagnostic::ResolveError {
-                            name: "(upstream failure in branch condition)".to_string(),
-                            span: b.span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        },
-                    );
-                }
-                PortState::Resolved(ty) => {
-                    if walk_to_disj_decl(dag, ty.declaration).is_none()
-                        && walk_to_optional_cardinality_decl(dag, ty.declaration).is_none()
-                    {
-                        if is_retryable_generic_decl(dag, ty.declaration) {
-                            return Decision::Retry;
-                        }
-                        let Some(bool_ty) = dag.bool_shape() else {
-                            return Decision::fail(
-                                b.output,
-                                Diagnostic::ResolveError {
-                                    name: "primitive `Bool` missing from declaration table — bootstrap failed"
-                                        .to_string(),
-                                    span: b.span.clone(),
-                                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                                },
-                            );
-                        };
-                        return Decision::fail(
-                            b.output,
-                            Diagnostic::TypeMismatch {
-                                expected: bool_ty,
-                                actual: *ty,
-                                span: b.span.clone(),
-                                correction: Correction::deferred_for_diagnostic_class(
-                                    "InferenceDiagnostic",
-                                ),
-                            },
-                        );
-                    }
-                }
-            }
-
-            let mut iter = b.paths.iter();
-            let Some(first_path) = iter.next() else {
-                return Decision::Retry;
-            };
-            let first_type = match dag.port(first_path.output).state() {
-                PortState::Uninferred => return Decision::Retry,
-                PortState::Unresolved => {
-                    return Decision::fail(
-                        b.output,
-                        Diagnostic::ResolveError {
-                            name: "(upstream failure in branch path)".to_string(),
-                            span: b.span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        },
-                    );
-                }
-                PortState::Resolved(t) => *t,
-            };
-            for path in iter {
-                match dag.port(path.output).state() {
-                    PortState::Uninferred => return Decision::Retry,
-                    PortState::Unresolved => {
-                        return Decision::fail(
-                            b.output,
-                            Diagnostic::ResolveError {
-                                name: "(upstream failure in branch path)".to_string(),
-                                span: b.span.clone(),
-                                correction: Correction::deferred_for_diagnostic_class(
-                                    "InferenceDiagnostic",
-                                ),
-                            },
-                        );
-                    }
-                    PortState::Resolved(other)
-                        if type_shapes_equivalent(dag, other, &first_type) => {}
-                    PortState::Resolved(other) => {
-                        return Decision::fail(
-                            b.output,
-                            Diagnostic::TypeMismatch {
-                                expected: first_type,
-                                actual: *other,
-                                span: b.span.clone(),
-                                correction: Correction::deferred_for_diagnostic_class(
-                                    "InferenceDiagnostic",
-                                ),
-                            },
-                        );
-                    }
-                }
-            }
-            Decision::Set(b.output, first_type)
-        }
-        Behavior::Loop(l) => {
-            if l.body == l.id {
-                return Decision::Retry;
-            }
-            let body_node = dag.node(l.body);
-            let body_output = behavior_output_port(body_node);
-            match dag.port(body_output).state() {
-                PortState::Uninferred => Decision::Retry,
-                PortState::Unresolved => Decision::fail(
-                    l.output,
-                    Diagnostic::ResolveError {
-                        name: "function body is unresolved".to_string(),
-                        span: l.span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class(
-                            "InferenceDiagnostic",
-                        ),
-                    },
-                ),
-                PortState::Resolved(body_ty) => Decision::Set(l.output, *body_ty),
-            }
-        }
-        Behavior::Bind(_) => Decision::Retry,
-    }
-}
-
-fn decide_transform(dag: &mut Dag, t: &TransformNode) -> Decision {
-    // Structural dispatch on `TransformTarget`. `Operator` carries the
-    // resolved `OperatorKind` directly and produces its signature from
-    // the LHS operand type (arithmetic returns operand type, comparison
-    // returns Bool). `Callable` points at a DeclarationId and walks
-    // `resolve_arrow` through any Instantiation / ResolvedIdentifier
-    // chain to recover the concrete Arrow signature.
-    let signature = match &t.target {
-        TransformTarget::UnresolvedFieldProject { field_label } => {
-            return decide_field_project(dag, t, field_label);
-        }
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            return decide_field_project(dag, t, field_label);
-        }
-        TransformTarget::Operator(op_kind) => {
-            let lhs_type = match t.inputs.first() {
-                None => {
-                    return Decision::fail(
-                        t.output,
-                        Diagnostic::ArityMismatch {
-                            function: crate::operators::symbol(*op_kind),
-                            expected: 2,
-                            actual: 0,
-                            span: t.span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        },
-                    );
-                }
-                Some(port) => match dag.port(*port).state() {
-                    PortState::Uninferred => return Decision::Retry,
-                    PortState::Unresolved => {
-                        return Decision::fail(
-                            t.output,
-                            Diagnostic::ResolveError {
-                                name: format!(
-                                    "(upstream failure in {})",
-                                    crate::operators::symbol(*op_kind)
-                                ),
-                                span: t.span.clone(),
-                                correction: Correction::deferred_for_diagnostic_class(
-                                    "InferenceDiagnostic",
-                                ),
-                            },
-                        );
-                    }
-                    PortState::Resolved(ty) => *ty,
-                },
-            };
-            if is_retryable_generic_decl(dag, lhs_type.declaration) {
-                return Decision::Retry;
-            }
-            match resolve_operator_arrow(dag, *op_kind, &lhs_type) {
-                Some(sig) => sig,
-                None => {
-                    if is_retryable_generic_decl(dag, lhs_type.declaration) {
-                        return Decision::Retry;
-                    }
-                    return Decision::fail(
-                        t.output,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "cannot dispatch operator `{}` on {lhs_type:?}",
-                                crate::operators::symbol(*op_kind)
-                            ),
-                            span: t.span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        },
-                    );
-                }
-            }
-        }
-        TransformTarget::Callable(target_id) => {
-            match resolve_callable_target(dag, *target_id, &t.inputs, &t.span) {
-                CallableTargetResolution::Retry => return Decision::Retry,
-                CallableTargetResolution::Fail(diag) => return Decision::fail(t.output, diag),
-                CallableTargetResolution::Resolved { signature, .. } => signature,
-            }
-        }
-    };
-
-    // Arrow-body state check. The five variants partition into the
-    // "check something" cases (UserDefined → Bind.value port state,
-    // ExternalRealization → realization shape) and the "no body to
-    // walk" cases (Pending/NoBody/Unparsed). Each failure surfaces as
-    // a fail-closed diagnostic on the call site's output port.
-    match &signature.body {
-        ArrowBody::UserDefined(bind_id) => {
-            // User function: the call site's signature is only trustworthy
-            // once the function's Bind.value port has reached Resolved.
-            // Uninferred → Retry; Unresolved → fail the call site.
-            match dag.port((*bind_id).bind(dag).value).state() {
-                PortState::Uninferred => return Decision::Retry,
-                PortState::Unresolved => {
-                    let name = transform_target_display_name(dag, &t.target);
-                    return Decision::fail(
-                        t.output,
-                        Diagnostic::ResolveError {
-                            name: format!("function `{name}` has an invalid body"),
-                            span: t.span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        },
-                    );
-                }
-                PortState::Resolved(_) => {}
-            }
-        }
-        ArrowBody::ExternalRealization(realization_id) => {
-            // Primitive realization: the target declaration must be a
-            // Conj whose `meta_tag` edge points at the cached
-            // `Realization` meta-type (populated at bootstrap). The
-            // typed-edge check was asserted at bootstrap construction
-            // (`assert_realization_shape`); re-validating here catches
-            // drift from any future mutation path that bypasses the
-            // construction-time invariant.
-            if !is_realization_shape(dag, *realization_id) {
-                let name = transform_target_display_name(dag, &t.target);
-                return Decision::fail(
-                    t.output,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "arrow `{name}` carries an ExternalRealization body whose target is not a realization declaration"
-                        ),
-                        span: t.span.clone(),
-                    correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                    },
-                );
-            }
-        }
-        ArrowBody::Pending | ArrowBody::NoBody => {
-            // Both shapes mean "no executable body to walk."
-            // `Pending` is the remaining transient scaffold from
-            // `seed_function_signature` during lowering; `NoBody`
-            // is the terminal "no body by construction" form used
-            // by arrow types and other non-executable carriers.
-            // `decide_transform` treats them identically: signature
-            // inhabitance accepts; body walking is skipped. The
-            // variant distinction exists so
-            // `lens_structural_resolution` can treat any surviving
-            // `Arrow(Pending)` in the final Dag as an R13-class body-
-            // patching regression.
-        }
-        ArrowBody::Unparsed(_) => {
-            // Surface-grammar scaffold: signature type-checks,
-            // body is not yet parseable under the M1(2.7) grammar.
-            // Callers can dispatch against the signature; the body
-            // source span is preserved for M2+ parser extensions.
-            // Dissolves when block bodies become fully parseable.
-        }
-    }
-
-    if signature.inputs.len() != t.inputs.len() {
-        return Decision::fail(
-            t.output,
-            Diagnostic::ArityMismatch {
-                function: transform_target_display_name(dag, &t.target),
-                expected: signature.inputs.len(),
-                actual: t.inputs.len(),
-                span: t.span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-            },
-        );
-    }
-    for (input_port, expected_ty) in t.inputs.iter().zip(signature.inputs.iter()) {
-        match dag.port(*input_port).state() {
-            PortState::Uninferred => return Decision::Retry,
-            PortState::Unresolved => {
-                return Decision::fail(
-                    t.output,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "(upstream failure in {})",
-                            transform_target_display_name(dag, &t.target)
-                        ),
-                        span: t.span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class(
-                            "InferenceDiagnostic",
-                        ),
-                    },
-                );
-            }
-            PortState::Resolved(actual) => {
-                let types_equivalent = type_shapes_equivalent(dag, actual, expected_ty);
-                if !types_equivalent
-                    && (is_retryable_generic_decl(dag, actual.declaration)
-                        || is_retryable_generic_decl(dag, expected_ty.declaration))
-                {
-                    return Decision::Retry;
-                }
-                if let Some(diag) = phantom_unit_mismatch(
-                    dag,
-                    transform_target_display_name(dag, &t.target),
-                    expected_ty,
-                    actual,
-                    &t.span,
-                ) {
-                    return Decision::fail(t.output, diag);
-                }
-                if !types_equivalent {
-                    if let Some(literal) = literal_bigint_at(dag, *input_port) {
-                        match int_literal_fits_expected_type(dag, &literal, expected_ty.declaration)
-                        {
-                            Ok(Some(true)) => {
-                                if let Some(diag) = check_refinement_discharge(
-                                    dag,
-                                    actual,
-                                    expected_ty,
-                                    &t.target,
-                                    &t.span,
-                                ) {
-                                    return Decision::fail(t.output, diag);
-                                }
-                                // Default literal shape is `Int`; align the argument port with
-                                // the callee's narrow range-backed type (same as `let` / `data`
-                                // pre-seed + `Decision::Set` reunion for annotated literals).
-                                return Decision::Set(*input_port, *expected_ty);
-                            }
-                            Ok(None)
-                                if int_literal_allowed_integral_seed_for_real_decl(
-                                    dag,
-                                    &literal,
-                                    expected_ty.declaration,
-                                ) =>
-                            {
-                                if let Some(diag) = check_refinement_discharge(
-                                    dag,
-                                    actual,
-                                    expected_ty,
-                                    &t.target,
-                                    &t.span,
-                                ) {
-                                    return Decision::fail(t.output, diag);
-                                }
-                                return Decision::Set(*input_port, *expected_ty);
-                            }
-                            Ok(Some(false)) | Ok(None) => {}
-                            Err(diag) => return Decision::fail(t.output, diag),
-                        }
-                        match integer_range_for_decl(dag, expected_ty.declaration) {
-                            IntegerRangeLookup::Found(range) => {
-                                return Decision::fail(
-                                    *input_port,
-                                    magnitude_out_of_range_for_interval(
-                                        &literal,
-                                        *expected_ty,
-                                        range,
-                                        t.span.clone(),
-                                    ),
-                                );
-                            }
-                            IntegerRangeLookup::Invalid(diag) => {
-                                return Decision::fail(t.output, diag);
-                            }
-                            IntegerRangeLookup::Missing => {}
-                        }
-                    }
-                    return Decision::fail(
-                        t.output,
-                        Diagnostic::TypeMismatch {
-                            expected: *expected_ty,
-                            actual: *actual,
-                            span: t.span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        },
-                    );
-                }
-                // DB-11 (3a.3) refinement discharge. Structural type
-                // equivalence just passed; now check that any refinement
-                // declared on the callee's parameter type is also carried
-                // by the argument's port type, with structurally-equal
-                // predicate expression DAGs. No SMT, no implication — if
-                // the predicates don't walk equal, the caller must
-                // introduce a narrowing Branch that does satisfy the
-                // expected refinement.
-                if let Some(diag) =
-                    check_refinement_discharge(dag, actual, expected_ty, &t.target, &t.span)
-                {
-                    if let Some(literal) = literal_bigint_at(dag, *input_port) {
-                        if int_literal_bigint_statically_discharges_refinement_chain(
-                            dag,
-                            &literal,
-                            expected_ty.declaration,
-                        ) {
-                            return Decision::Set(*input_port, *expected_ty);
-                        }
-                    }
-                    return Decision::fail(t.output, diag);
-                }
-            }
-        }
-    }
-    Decision::Set(t.output, signature.output)
-}
-
-fn phantom_unit_mismatch(
-    dag: &Dag,
-    context: String,
-    expected_ty: &TypeShape,
-    actual_ty: &TypeShape,
-    span: &SourceSpan,
-) -> Option<Diagnostic> {
-    let expected_inst = instantiation_parts(dag, expected_ty.declaration)?;
-    let actual_inst = instantiation_parts(dag, actual_ty.declaration)?;
-    let expected_template = dag.declaration(expected_inst.template);
-    for phantom in &expected_template.phantom_params {
-        if let Err(diag) =
-            require_abelian_group_phantom_algebra(dag, phantom.algebra, phantom.parameter, span)
-        {
-            return Some(diag);
-        }
-        if !expected_template.type_params.contains(&phantom.parameter) {
-            return Some(malformed_phantom_parameter_diagnostic(
-                dag,
-                expected_inst.template,
-                phantom.parameter,
-                span,
-            ));
-        }
-        let Some(actual_phantom) =
-            mapped_phantom_parameter(dag, expected_inst.template, phantom, actual_inst.template)
-        else {
-            continue;
-        };
-        if let Err(diag) = require_abelian_group_phantom_algebra(
-            dag,
-            actual_phantom.algebra,
-            actual_phantom.parameter,
-            span,
-        ) {
-            return Some(diag);
-        }
-        if !phantom_algebras_equivalent(dag, phantom.algebra, actual_phantom.algebra) {
-            return Some(unsupported_phantom_algebra_diagnostic(
-                dag,
-                actual_phantom.algebra,
-                actual_phantom.parameter,
-                span,
-            ));
-        }
-        let Some(expected_arg) = expected_inst
-            .arguments
-            .iter()
-            .find(|arg| arg.parameter == phantom.parameter)
-        else {
-            return Some(missing_phantom_argument_diagnostic(
-                dag,
-                expected_inst.template,
-                phantom.parameter,
-                "expected",
-                span,
-            ));
-        };
-        let Some(actual_arg) = actual_inst
-            .arguments
-            .iter()
-            .find(|arg| arg.parameter == actual_phantom.parameter)
-        else {
-            return Some(missing_phantom_argument_diagnostic(
-                dag,
-                actual_inst.template,
-                actual_phantom.parameter,
-                "actual",
-                span,
-            ));
-        };
-        if expected_arg.value != actual_arg.value {
-            return Some(Diagnostic::UnitMismatch {
-                operator: context,
-                parameter: phantom_parameter_display_name(dag, phantom.parameter),
-                expected: TypeShape::new(expected_arg.value),
-                actual: TypeShape::new(actual_arg.value),
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-            });
-        }
-    }
-    None
-}
-
-fn malformed_phantom_parameter_diagnostic(
-    dag: &Dag,
-    template: DeclarationId,
-    parameter: DeclarationId,
-    span: &SourceSpan,
-) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: format!(
-            "malformed phantom parameter {} on {}: parameter is not in type_params",
-            phantom_parameter_display_name(dag, parameter),
-            declaration_display_name(dag, template),
-        ),
-        span: span.clone(),
-        correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-    }
-}
-
-fn missing_phantom_argument_diagnostic(
-    dag: &Dag,
-    template: DeclarationId,
-    parameter: DeclarationId,
-    side: &str,
-    span: &SourceSpan,
-) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: format!(
-            "malformed phantom instantiation for {}: missing {side} argument for phantom parameter {}",
-            declaration_display_name(dag, template),
-            phantom_parameter_display_name(dag, parameter),
-        ),
-        span: span.clone(),
-        correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-    }
-}
-
-fn unsupported_phantom_algebra_diagnostic(
-    dag: &Dag,
-    algebra: DeclarationId,
-    parameter: DeclarationId,
-    span: &SourceSpan,
-) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: format!(
-            "unsupported phantom algebra {} for phantom parameter {}",
-            declaration_display_name(dag, algebra),
-            phantom_parameter_display_name(dag, parameter),
-        ),
-        span: span.clone(),
-        correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-    }
-}
-
-fn require_abelian_group_phantom_algebra(
-    dag: &Dag,
-    algebra: DeclarationId,
-    parameter: DeclarationId,
-    span: &SourceSpan,
-) -> Result<(), Diagnostic> {
-    let Some(canonical_abelian_group) = dag.abelian_group_decl() else {
-        return Err(unsupported_phantom_algebra_diagnostic(
-            dag, algebra, parameter, span,
-        ));
-    };
-    let mut current = algebra;
-    for _ in 0..WALK_DEPTH_LIMIT {
-        let decl = dag.declaration(current);
-        if current == canonical_abelian_group {
-            return Ok(());
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => {
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            _ => {
-                return Err(unsupported_phantom_algebra_diagnostic(
-                    dag, algebra, parameter, span,
-                ));
-            }
-        }
-    }
-    Err(unsupported_phantom_algebra_diagnostic(
-        dag, algebra, parameter, span,
-    ))
-}
-
-fn phantom_algebras_equivalent(
-    dag: &Dag,
-    lhs_algebra: DeclarationId,
-    rhs_algebra: DeclarationId,
-) -> bool {
-    lhs_algebra == rhs_algebra || declaration_shapes_equivalent(dag, lhs_algebra, rhs_algebra, 0)
-}
-
-fn mapped_phantom_parameter(
-    dag: &Dag,
-    source_template: DeclarationId,
-    source_phantom: &PhantomParameter,
-    target_template: DeclarationId,
-) -> Option<PhantomParameter> {
-    let source_decl = dag.declaration(source_template);
-    let target_decl = dag.declaration(target_template);
-    let source_index = source_decl
-        .type_params
-        .iter()
-        .position(|parameter| *parameter == source_phantom.parameter)?;
-    let target_parameter = target_decl.type_params.get(source_index).copied()?;
-    target_decl
-        .phantom_params
-        .iter()
-        .find(|target_phantom| target_phantom.parameter == target_parameter)
-        .cloned()
-}
-
-struct InstantiationParts<'a> {
-    template: DeclarationId,
-    arguments: &'a [crate::dag::TemplateArgument],
-}
-
-fn instantiation_parts(dag: &Dag, declaration: DeclarationId) -> Option<InstantiationParts<'_>> {
-    match &dag.declaration(declaration).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => Some(InstantiationParts {
-            template: *template,
-            arguments,
-        }),
-        _ => None,
-    }
-}
-
-fn phantom_parameter_display_name(dag: &Dag, parameter: DeclarationId) -> String {
-    match &dag.declaration(parameter).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(name)) => name.clone(),
-        _ => declaration_display_name(dag, parameter),
-    }
-}
-
-/// DB-11 (3a.3) call-site refinement discharge. Returns `None` when
-/// the expected parameter has no refinement (unconditionally OK), or
-/// when the actual argument's top-level refinement discharges the
-/// expected predicate. Returns a `Diagnostic` otherwise. Pure
-/// structural walk — no SMT, no entailment beyond conjunction-member
-/// matching against the canonical composite form.
-///
-/// Composite-canonical invariant (post-narrowing refactor): every
-/// refinement in the DAG is a single predicate Declaration. Narrowing
-/// produces a composite `outer_body && new_body` rather than an alias
-/// chain of unary refinements, so discharge only has to look at the
-/// top-level refinement on `actual.declaration` — no chain walk. The
-/// composite-vs-single asymmetry is handled by
-/// `predicate_discharges`, which accepts either a full structural
-/// match against the expected predicate or a match against a
-/// conjunct of `actual`'s composite body.
-fn check_refinement_discharge(
-    dag: &Dag,
-    actual: &TypeShape,
-    expected: &TypeShape,
-    target: &TransformTarget,
-    span: &SourceSpan,
-) -> Option<Diagnostic> {
-    let expected_pred = dag.declaration(expected.declaration).refinement?;
-    let actual_pred = dag.declaration(actual.declaration).refinement;
-    match actual_pred {
-        Some(actual_pred) if predicate_discharges(dag, actual_pred, expected_pred, 0) => None,
-        _ => {
-            let callee = transform_target_display_name(dag, target);
-            let name = if actual_pred.is_some() {
-                format!(
-                    "argument to `{callee}` does not satisfy the expected \
-                     `where` refinement (caller's predicate does not walk \
-                     structurally equal to the callee's, and no conjunct \
-                     of the caller's composite matches)"
-                )
-            } else {
-                format!(
-                    "argument to `{callee}` does not satisfy the expected \
-                     `where` refinement — no narrowing branch in scope"
-                )
-            };
-            Some(Diagnostic::ResolveError {
-                name,
-                span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-            })
-        }
-    }
-}
-
-/// Structural discharge check between an actual and expected
-/// predicate declaration. Succeeds when:
-///
-/// - The two predicates are the same declaration id; OR
-/// - The actual predicate's body walks structurally equal to the
-///   expected predicate's body (param-paired); OR
-/// - The actual predicate's body is a `Transform(Logical(And), [a, b])`
-///   and either `a` or `b` (as a virtual sub-predicate sharing the
-///   actual's `Bind.params[0]`) discharges the expected predicate.
-///
-/// The composite conjunct case is the load-bearing piece that lets
-/// the post-narrowing composite `outer_body && new_body` match a
-/// callee whose refinement is just `outer_body`. Pure structural,
-/// depth-bounded.
-fn predicate_discharges(
-    dag: &Dag,
-    actual_pred_decl: DeclarationId,
-    expected_pred_decl: DeclarationId,
-    depth: usize,
-) -> bool {
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-    if actual_pred_decl == expected_pred_decl {
-        return true;
-    }
-    let Some((actual_param, actual_body)) = predicate_info(dag, actual_pred_decl) else {
-        return false;
-    };
-    let Some((expected_param, expected_body)) = predicate_info(dag, expected_pred_decl) else {
-        return false;
-    };
-    body_discharges(
-        dag,
-        actual_body,
-        expected_body,
-        actual_param,
-        expected_param,
-    )
-}
-
-/// Flatten-and-subset discharge check. A predicate body is treated
-/// as a CONJUNCTION OF LEAVES — the maximal multiset of non-`And`
-/// operand ports reachable by recursively unfolding every
-/// `Transform(Logical(And), [lhs, rhs])` root. Actual discharges
-/// expected iff every expected leaf is walk-equal (param-paired) to
-/// some actual leaf.
-///
-/// This makes conjunction associativity / grouping irrelevant to
-/// discharge: `a && (b && c)`, `(a && b) && c`, and `a && b && c`
-/// all flatten to the same leaf set `{a, b, c}` and therefore
-/// discharge each other symmetrically. Without the flattening,
-/// `body_discharges` could only recurse into one root conjunct of
-/// the actual side at a time, so an asymmetric grouping would fail
-/// to discharge a syntax-equivalent callee contract (the
-/// substrate-level blocker ChatGPT's R5 review called out on
-/// `31a3709d`).
-///
-/// Still pure structural — no SMT, no absorption laws, no ordering
-/// reasoning. The "canonical form" is the leaf multiset; two bodies
-/// representing the same conjunction share one leaf multiset up to
-/// reordering, and the subset check tolerates the multiset shape.
-fn body_discharges(
-    dag: &Dag,
-    actual_body: PortId,
-    expected_body: PortId,
-    actual_param: PortId,
-    expected_param: PortId,
-) -> bool {
-    let mut actual_leaves: Vec<PortId> = Vec::new();
-    collect_conjunct_leaves(dag, actual_body, &mut actual_leaves, 0);
-    let mut expected_leaves: Vec<PortId> = Vec::new();
-    collect_conjunct_leaves(dag, expected_body, &mut expected_leaves, 0);
-    expected_leaves.into_iter().all(|expected_leaf| {
-        actual_leaves.iter().any(|&actual_leaf| {
-            refinement_ports_equal(
-                dag,
-                actual_leaf,
-                expected_leaf,
-                actual_param,
-                expected_param,
-                0,
-            )
-        })
-    })
-}
-
-/// Recursively unfold `Transform(Logical(And), [lhs, rhs])` roots
-/// and collect the non-`And` leaves. Depth-bounded by
-/// `WALK_DEPTH_LIMIT`; on overflow the current port is pushed as a
-/// leaf so discharge degrades to the pre-flatten shape rather than
-/// silently dropping conjuncts.
-fn collect_conjunct_leaves(dag: &Dag, body_port: PortId, out: &mut Vec<PortId>, depth: usize) {
-    if depth >= WALK_DEPTH_LIMIT {
-        out.push(body_port);
-        return;
-    }
-    if let Some(node_id) = dag.port(body_port).produced_by {
-        if let Behavior::Transform(t) = dag.node(node_id) {
-            if matches!(
-                &t.target,
-                TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And))
-            ) && t.inputs.len() == 2
-            {
-                collect_conjunct_leaves(dag, t.inputs[0], out, depth + 1);
-                collect_conjunct_leaves(dag, t.inputs[1], out, depth + 1);
-                return;
-            }
-        }
-    }
-    out.push(body_port);
-}
-
-fn predicate_info(dag: &Dag, pred_decl: DeclarationId) -> Option<(PortId, PortId)> {
-    if let TypeConnective::Arrow {
-        body: ArrowBody::UserDefined(bind_id),
-        ..
-    } = &dag.declaration(pred_decl).connective
-    {
-        let bind = (*bind_id).bind(dag);
-        if let Some(param_port) = bind.params.first() {
-            return Some((*param_port, bind.value));
-        }
-    }
-    None
-}
-
-fn refinement_ports_equal(
-    dag: &Dag,
-    lhs_port: PortId,
-    rhs_port: PortId,
-    lhs_param: PortId,
-    rhs_param: PortId,
-    depth: usize,
-) -> bool {
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-    let lhs_is_param = lhs_port == lhs_param;
-    let rhs_is_param = rhs_port == rhs_param;
-    if lhs_is_param || rhs_is_param {
-        return lhs_is_param && rhs_is_param;
-    }
-    let Some(lhs_nid) = dag.port(lhs_port).produced_by else {
-        return lhs_port == rhs_port;
-    };
-    let Some(rhs_nid) = dag.port(rhs_port).produced_by else {
-        return false;
-    };
-    match (dag.node(lhs_nid), dag.node(rhs_nid)) {
-        (Behavior::Value(lv), Behavior::Value(rv)) => lv.data == rv.data,
-        (Behavior::Transform(lt), Behavior::Transform(rt)) => {
-            refinement_targets_equal(dag, &lt.target, &rt.target)
-                && lt.inputs.len() == rt.inputs.len()
-                && lt.inputs.iter().zip(rt.inputs.iter()).all(|(l, r)| {
-                    refinement_ports_equal(dag, *l, *r, lhs_param, rhs_param, depth + 1)
-                })
-        }
-        _ => false,
-    }
-}
-
-fn refinement_targets_equal(dag: &Dag, lhs: &TransformTarget, rhs: &TransformTarget) -> bool {
-    match (lhs, rhs) {
-        // DB-11 (3a.3) structural callable identity. Call lowering
-        // materializes a fresh `Instantiation` declaration per
-        // call-site when the callee has retained template arguments
-        // (see `retained_template_arguments_for_target` in lower.rs).
-        // Two syntactically identical calls to a generic predicate
-        // (e.g., `is_eq(d, 0)`) from two different refinement
-        // contexts therefore carry different `Callable(DeclarationId)`
-        // targets even though their template + argument values match.
-        // Nominal id equality would reject those as distinct; the
-        // authoritative identity is template + substituted arguments,
-        // which `declaration_shapes_equivalent` already walks through
-        // `Instantiation`/`ResolvedIdentifier` edges.
-        (TransformTarget::Callable(a), TransformTarget::Callable(b)) => {
-            declaration_shapes_equivalent(dag, *a, *b, 0)
-        }
-        (TransformTarget::Operator(a), TransformTarget::Operator(b)) => a == b,
-        (
-            TransformTarget::UnresolvedFieldProject {
-                field_label: a_label,
-            },
-            TransformTarget::UnresolvedFieldProject {
-                field_label: b_label,
-            },
-        ) => a_label == b_label,
-        (
-            TransformTarget::ResolvedFieldProject {
-                field_label: a_label,
-            },
-            TransformTarget::ResolvedFieldProject {
-                field_label: b_label,
-            },
-        ) => a_label == b_label,
-        _ => false,
-    }
-}
-
-struct ResolvedArrow {
-    inputs: Vec<TypeShape>,
-    output: TypeShape,
-    body: ArrowBody,
-}
-
-struct ResolvedArrowDecl {
-    inputs: Vec<DeclarationId>,
-    output: DeclarationId,
-}
-
-#[derive(Clone)]
-struct PortTypeContext {
-    decl: DeclarationId,
-    subst: SubstStack,
-}
-
-struct CallableSignatureContext {
-    inputs: Vec<PortTypeContext>,
-    output: PortTypeContext,
-}
-
-enum CallableTargetResolution {
-    Retry,
-    Fail(Diagnostic),
-    Resolved {
-        template: DeclarationId,
-        arguments: Vec<TemplateArgument>,
-        signature: ResolvedArrow,
-    },
-}
-
-enum CallableBindingResolution {
-    Resolved,
-    Retry,
-    Conflict,
-}
-
-/// Lazy substitution stack for `Instantiation` walks. When inference
-/// descends into an `Instantiation { template, arguments }`, it pushes
-/// `arguments` onto this stack; when a downstream `TypeParam` reference
-/// is encountered, the stack is consulted top-down to find the bound
-/// `DeclarationId`. Pop on Instantiation exit keeps the stack balanced.
-/// See M1_DESIGN.md §4 Q4 / §5 for the walk semantics.
-#[derive(Clone)]
-pub(crate) struct SubstStack {
-    frames: Vec<Vec<TemplateArgument>>,
-}
-
-impl SubstStack {
-    pub(crate) fn new() -> Self {
-        Self { frames: Vec::new() }
-    }
-
-    pub(crate) fn push(&mut self, args: Vec<TemplateArgument>) {
-        self.frames.push(args);
-    }
-
-    pub(crate) fn pop(&mut self) {
-        self.frames.pop();
-    }
-
-    pub(crate) fn lookup(&self, param_id: DeclarationId) -> Option<DeclarationId> {
-        for frame in self.frames.iter().rev() {
-            for arg in frame {
-                if arg.parameter == param_id {
-                    if arg.value == param_id {
-                        return None;
-                    }
-                    return Some(arg.value);
-                }
-            }
-        }
-        None
-    }
-}
-
-enum PayloadBindingResolution {
-    Direct(TypeShape),
-    SpecializedRecord {
-        variant_decl_id: DeclarationId,
-        subst: SubstStack,
-    },
-}
-
-fn declaration_is_callable(dag: &Dag, current: DeclarationId, depth: usize) -> bool {
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Arrow { .. } => true,
-        TypeConnective::Instantiation { template, .. } => {
-            declaration_is_callable(dag, *template, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            declaration_is_callable(dag, *next, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::TypeParam(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Cardinality(_) => false,
-    }
-}
-
-fn is_retryable_generic_decl(dag: &Dag, current: DeclarationId) -> bool {
-    let mut visiting = Vec::new();
-    is_retryable_generic_decl_walk(dag, current, 0, &mut visiting)
-}
-
-fn is_retryable_generic_decl_walk(
-    dag: &Dag,
-    current: DeclarationId,
-    depth: usize,
-    visiting: &mut Vec<DeclarationId>,
-) -> bool {
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-    if visiting.contains(&current) {
-        return false;
-    }
-    visiting.push(current);
-    let retryable = match &dag.declaration(current).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => true,
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            is_retryable_generic_decl_walk(dag, *next, depth + 1, visiting)
-        }
-        TypeConnective::Instantiation { arguments, .. } => arguments
-            .iter()
-            .any(|arg| is_retryable_generic_decl_walk(dag, arg.value, depth + 1, visiting)),
-        TypeConnective::Cardinality(p) => {
-            is_retryable_generic_decl_walk(dag, p.element(), depth + 1, visiting)
-        }
-        TypeConnective::Conj { children } => children
-            .iter()
-            .any(|field| is_retryable_generic_decl_walk(dag, field.ty, depth + 1, visiting)),
-        TypeConnective::Disj { variants } => variants
-            .iter()
-            .any(|field| is_retryable_generic_decl_walk(dag, field.ty, depth + 1, visiting)),
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Arrow { .. } => false,
-    };
-    visiting.pop();
-    retryable
-}
-
-fn callable_template_arguments(
-    dag: &Dag,
-    target: DeclarationId,
-) -> (DeclarationId, Vec<TemplateArgument>) {
-    match &dag.declaration(target).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => (*template, arguments.clone()),
-        _ => (target, Vec::new()),
-    }
-}
-
-fn template_argument_value(
-    arguments: &[TemplateArgument],
-    parameter: DeclarationId,
-) -> Option<DeclarationId> {
-    match generated_template_argument_value(arguments, &parameter) {
-        Lookup::Hit(value) => Some(value),
-        Lookup::Miss => None,
-    }
-}
-
-fn resolve_template_argument_value(
-    arguments: &[TemplateArgument],
-    current: DeclarationId,
-    depth: usize,
-) -> DeclarationId {
-    generated_resolve_template_argument_value(
-        &(WALK_DEPTH_LIMIT.saturating_sub(depth) as i64),
-        arguments,
-        current,
-    )
-}
-
-fn retained_template_arguments_for_target(
-    dag: &Dag,
-    template: DeclarationId,
-    arguments: &[TemplateArgument],
-) -> Vec<TemplateArgument> {
-    let mut allowed: HashSet<DeclarationId> = dag
-        .declaration(template)
-        .type_params
-        .iter()
-        .copied()
-        .collect();
-    if let Some(enclosing_disj) = enclosing_disj_for_variant(dag, template) {
-        allowed.extend(dag.declaration(enclosing_disj).type_params.iter().copied());
-    }
-    if let Some(raw_arrow) = resolve_arrow_decl_walk(dag, template, &mut SubstStack::new(), 0) {
-        for input in raw_arrow.inputs {
-            if declaration_is_callable(dag, input, 0) {
-                allowed.insert(input);
-            }
-        }
-    }
-
-    let mut retained: Vec<TemplateArgument> = Vec::new();
-    for argument in arguments {
-        if !allowed.contains(&argument.parameter) {
-            continue;
-        }
-        let resolved_value = resolve_template_argument_value(arguments, argument.value, 0);
-        if let Some(existing) = retained
-            .iter_mut()
-            .find(|existing| existing.parameter == argument.parameter)
-        {
-            existing.value = resolved_value;
-            continue;
-        }
-        retained.push(TemplateArgument {
-            parameter: argument.parameter,
-            value: resolved_value,
-        });
-    }
-    retained
-}
-
-fn push_template_argument_binding(
-    arguments: &mut Vec<TemplateArgument>,
-    parameter: DeclarationId,
-    value: DeclarationId,
-) -> bool {
-    match generated_push_template_argument_binding(arguments, &parameter, value) {
-        TemplateArgumentBinding::Conflict => false,
-        TemplateArgumentBinding::NoOp => true,
-        TemplateArgumentBinding::Append => {
-            arguments.push(TemplateArgument { parameter, value });
-            true
-        }
-        TemplateArgumentBinding::ReplaceAt {
-            _0: index,
-            _1: updated,
-        } => {
-            let Some(existing) = arguments.get_mut(index as usize) else {
-                return false;
-            };
-            existing.value = updated;
-            true
-        }
-    }
-}
-
-fn resolve_arrow_decl_walk(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &mut SubstStack,
-    depth: usize,
-) -> Option<ResolvedArrowDecl> {
-    if depth >= WALK_DEPTH_LIMIT {
-        return None;
-    }
-    let decl = dag.declaration(current);
-    match &decl.connective {
-        TypeConnective::Arrow { inputs, output, .. } => Some(ResolvedArrowDecl {
-            inputs: inputs.clone(),
-            output: *output,
-        }),
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            subst.push(arguments.clone());
-            let result = resolve_arrow_decl_walk(dag, *template, subst, depth + 1);
-            subst.pop();
-            result
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            resolve_arrow_decl_walk(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            let bound = subst.lookup(current)?;
-            resolve_arrow_decl_walk(dag, bound, subst, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Cardinality(_) => None,
-    }
-}
-
-fn port_type_context(dag: &Dag, port: PortId) -> Option<PortTypeContext> {
-    let resolved_decl = match dag.port(port).state() {
-        PortState::Resolved(ty) => ty.declaration,
-        PortState::Uninferred | PortState::Unresolved => return None,
-    };
-    let Some(produced_by) = dag.port(port).produced_by else {
-        return Some(PortTypeContext {
-            decl: resolved_decl,
-            subst: SubstStack::new(),
-        });
-    };
-    match dag.node(produced_by) {
-        // Use the port's resolved declaration, not the literal's default
-        // substrate type (`Int` for all int literals). After range narrowing the
-        // literal port may already be `UInt8` / etc.; `literal_decl_id`-style
-        // `Int` here makes `resolve_callable_target` think the argument is still
-        // the default `Int`, producing spurious implicit-template conflicts against
-        // a `UInt8` parameter (e.g. `id_u8(7)`).
-        Behavior::Value(_) => Some(PortTypeContext {
-            decl: resolved_decl,
-            subst: SubstStack::new(),
-        }),
-        Behavior::Transform(t) => match &t.target {
-            TransformTarget::Callable(target) => {
-                let CallableTargetResolution::Resolved {
-                    template,
-                    arguments,
-                    ..
-                } = resolve_callable_target(dag, *target, &t.inputs, &t.span)
-                else {
-                    return Some(PortTypeContext {
-                        decl: resolved_decl,
-                        subst: SubstStack::new(),
-                    });
-                };
-                let mut subst = SubstStack::new();
-                subst.push(arguments);
-                let Some(arrow) = resolve_arrow_decl_walk(dag, template, &mut subst, 0) else {
-                    if let Some(enclosing_disj) = enclosing_disj_for_variant(dag, template) {
-                        return Some(PortTypeContext {
-                            decl: enclosing_disj,
-                            subst,
-                        });
-                    }
-                    return Some(PortTypeContext {
-                        decl: resolved_decl,
-                        subst: SubstStack::new(),
-                    });
-                };
-                Some(PortTypeContext {
-                    decl: arrow.output,
-                    subst,
-                })
-            }
-            TransformTarget::UnresolvedFieldProject { field_label }
-            | TransformTarget::ResolvedFieldProject { field_label } => {
-                field_project_port_type_context(dag, t, field_label)
-            }
-            TransformTarget::Operator(_) => Some(PortTypeContext {
-                decl: resolved_decl,
-                subst: SubstStack::new(),
-            }),
-        },
-        Behavior::Branch(_) | Behavior::Loop(_) | Behavior::Bind(_) => Some(PortTypeContext {
-            decl: resolved_decl,
-            subst: SubstStack::new(),
-        }),
-    }
-}
-
-fn field_project_port_type_context(
-    dag: &Dag,
-    t: &TransformNode,
-    field_label: &str,
-) -> Option<PortTypeContext> {
-    if t.inputs.len() != 1 {
-        return None;
-    }
-    let input_ty = match dag.port(t.inputs[0]).state() {
-        PortState::Resolved(ty) => *ty,
-        PortState::Uninferred | PortState::Unresolved => return None,
-    };
-    let mut subst = SubstStack::new();
-    let conj_id = walk_to_conj_decl_with_subst(dag, input_ty.declaration, &mut subst)?;
-    let TypeConnective::Conj { children } = &dag.declaration(conj_id).connective else {
-        return None;
-    };
-    let field_decl = children
-        .iter()
-        .find(|field| field.label == field_label)
-        .map(|field| field.ty)?;
-    Some(PortTypeContext {
-        decl: field_decl,
-        subst,
-    })
-}
-
-fn resolve_binding_decl(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &SubstStack,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= WALK_DEPTH_LIMIT {
-        return None;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => subst
-            .lookup(current)
-            .and_then(|bound| resolve_binding_decl(dag, bound, subst, depth + 1))
-            .or_else(|| {
-                walk_to_type_shape(dag, current, subst, depth + 1).map(|ty| ty.declaration)
-            }),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            resolve_binding_decl(dag, *next, subst, depth + 1)
-        }
-        _ => walk_to_type_shape(dag, current, subst, depth + 1).map(|ty| ty.declaration),
-    }
-}
-
-fn callable_signature_context(
-    dag: &Dag,
-    callable: DeclarationId,
-) -> Option<CallableSignatureContext> {
-    let decl = dag.declaration(callable);
-    if let TypeConnective::Arrow {
-        inputs,
-        body: ArrowBody::UserDefined(bind_id),
-        ..
-    } = &decl.connective
-    {
-        let bind = (*bind_id).bind(dag);
-        if bind.params.len() < inputs.len() {
-            return None;
-        }
-        let start = bind.params.len() - inputs.len();
-        let mut input_contexts = Vec::with_capacity(inputs.len());
-        for port in &bind.params[start..] {
-            input_contexts.push(port_type_context(dag, *port)?);
-        }
-        return Some(CallableSignatureContext {
-            inputs: input_contexts,
-            output: port_type_context(dag, bind.value)?,
-        });
-    }
-
-    let (template, arguments) = callable_template_arguments(dag, callable);
-    let mut subst = SubstStack::new();
-    subst.push(arguments);
-    let raw_arrow = resolve_arrow_decl_walk(dag, template, &mut subst, 0)?;
-    Some(CallableSignatureContext {
-        inputs: raw_arrow
-            .inputs
-            .into_iter()
-            .map(|decl| PortTypeContext {
-                decl,
-                subst: subst.clone(),
-            })
-            .collect(),
-        output: PortTypeContext {
-            decl: raw_arrow.output,
-            subst,
-        },
-    })
-}
-
-fn bind_expected_callable_to_actual(
-    dag: &Dag,
-    expected_callable: DeclarationId,
-    actual_callable: DeclarationId,
-    arguments: &mut Vec<TemplateArgument>,
-) -> CallableBindingResolution {
-    let mut expected_subst = SubstStack::new();
-    expected_subst.push(arguments.clone());
-    let Some(expected_arrow) =
-        resolve_arrow_decl_walk(dag, expected_callable, &mut expected_subst, 0)
-    else {
-        return CallableBindingResolution::Conflict;
-    };
-    let Some(actual_signature) = callable_signature_context(dag, actual_callable) else {
-        return CallableBindingResolution::Retry;
-    };
-    if expected_arrow.inputs.len() != actual_signature.inputs.len() {
-        return CallableBindingResolution::Conflict;
-    }
-    for (expected_input, actual_input) in expected_arrow
-        .inputs
-        .into_iter()
-        .zip(actual_signature.inputs.iter())
-    {
-        if !bind_expected_decl_to_actual_context(dag, expected_input, actual_input, arguments, 0) {
-            return CallableBindingResolution::Conflict;
-        }
-    }
-    if !bind_expected_decl_to_actual_context(
-        dag,
-        expected_arrow.output,
-        &actual_signature.output,
-        arguments,
-        0,
-    ) {
-        return CallableBindingResolution::Conflict;
-    }
-    CallableBindingResolution::Resolved
-}
-
-fn bind_expected_decl_to_actual_context(
-    dag: &Dag,
-    expected: DeclarationId,
-    actual: &PortTypeContext,
-    arguments: &mut Vec<TemplateArgument>,
-    depth: usize,
-) -> bool {
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-
-    match &dag.declaration(expected).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            if let Some(bound) = template_argument_value(arguments, expected) {
-                if bound != expected {
-                    let expected_ctx = PortTypeContext {
-                        decl: bound,
-                        subst: SubstStack::new(),
-                    };
-                    return bind_expected_decl_to_actual_context(
-                        dag,
-                        expected_ctx.decl,
-                        actual,
-                        arguments,
-                        depth + 1,
-                    );
-                }
-            }
-            let Some(value) = resolve_binding_decl(dag, actual.decl, &actual.subst, depth + 1)
-            else {
-                return false;
-            };
-            push_template_argument_binding(arguments, expected, value)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            bind_expected_decl_to_actual_context(dag, *next, actual, arguments, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments: expected_args,
-        } => {
-            let actual_decl = match &dag.declaration(actual.decl).connective {
-                TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                    let Some(bound) = actual.subst.lookup(actual.decl) else {
-                        return false;
-                    };
-                    return bind_expected_decl_to_actual_context(
-                        dag,
-                        expected,
-                        &PortTypeContext {
-                            decl: bound,
-                            subst: actual.subst.clone(),
-                        },
-                        arguments,
-                        depth + 1,
-                    );
-                }
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    return bind_expected_decl_to_actual_context(
-                        dag,
-                        expected,
-                        &PortTypeContext {
-                            decl: *next,
-                            subst: actual.subst.clone(),
-                        },
-                        arguments,
-                        depth + 1,
-                    );
-                }
-                _ => actual.decl,
-            };
-            let TypeConnective::Instantiation {
-                template: actual_template,
-                arguments: actual_args,
-            } = &dag.declaration(actual_decl).connective
-            else {
-                if actual_decl != *template {
-                    return false;
-                }
-                let template_params = dag.declaration(*template).type_params.clone();
-                if template_params.len() != expected_args.len() {
-                    return false;
-                }
-                for (expected_arg, param_id) in expected_args.iter().zip(template_params) {
-                    let Some(actual_value) = actual.subst.lookup(param_id) else {
-                        return false;
-                    };
-                    if !bind_expected_decl_to_actual_context(
-                        dag,
-                        expected_arg.value,
-                        &PortTypeContext {
-                            decl: actual_value,
-                            subst: actual.subst.clone(),
-                        },
-                        arguments,
-                        depth + 1,
-                    ) {
-                        return false;
-                    }
-                }
-                return true;
-            };
-            if *actual_template == expected && expected_args.len() == actual_args.len() {
-                for (expected_arg, actual_arg) in expected_args.iter().zip(actual_args.iter()) {
-                    if !bind_expected_decl_to_actual_context(
-                        dag,
-                        expected_arg.value,
-                        &PortTypeContext {
-                            decl: actual_arg.value,
-                            subst: actual.subst.clone(),
-                        },
-                        arguments,
-                        depth + 1,
-                    ) {
-                        return false;
-                    }
-                }
-                return true;
-            }
-            if template != actual_template || expected_args.len() != actual_args.len() {
-                return false;
-            }
-            for (expected_arg, actual_arg) in expected_args.iter().zip(actual_args.iter()) {
-                if !bind_expected_decl_to_actual_context(
-                    dag,
-                    expected_arg.value,
-                    &PortTypeContext {
-                        decl: actual_arg.value,
-                        subst: actual.subst.clone(),
-                    },
-                    arguments,
-                    depth + 1,
-                ) {
-                    return false;
-                }
-            }
-            true
-        }
-        TypeConnective::Cardinality(p) => {
-            let element = p.element();
-            let bound = p.bound();
-            let actual_decl = match &dag.declaration(actual.decl).connective {
-                TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                    let Some(bound) = actual.subst.lookup(actual.decl) else {
-                        return false;
-                    };
-                    return bind_expected_decl_to_actual_context(
-                        dag,
-                        expected,
-                        &PortTypeContext {
-                            decl: bound,
-                            subst: actual.subst.clone(),
-                        },
-                        arguments,
-                        depth + 1,
-                    );
-                }
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    return bind_expected_decl_to_actual_context(
-                        dag,
-                        expected,
-                        &PortTypeContext {
-                            decl: *next,
-                            subst: actual.subst.clone(),
-                        },
-                        arguments,
-                        depth + 1,
-                    );
-                }
-                _ => actual.decl,
-            };
-            let TypeConnective::Cardinality(actual_p) = &dag.declaration(actual_decl).connective
-            else {
-                return false;
-            };
-            if bound != actual_p.bound() {
-                return false;
-            }
-            bind_expected_decl_to_actual_context(
-                dag,
-                element,
-                &PortTypeContext {
-                    decl: actual_p.element(),
-                    subst: actual.subst.clone(),
-                },
-                arguments,
-                depth + 1,
-            )
-        }
-        _ => {
-            // Gate #60 Slice Z: `MachineWidth<N>` uses anonymous `LiteralBits::Int`
-            // phantom declarations. Alias sites vs inference sites can allocate distinct
-            // declaration ids for the same decimal; `walk_to_type_shape` returns `None` for
-            // anonymous literals, so fall back to literal equality before shape identity.
-            let resolved_expected =
-                resolve_binding_decl(dag, expected, &SubstStack::new(), depth + 1)
-                    .unwrap_or(expected);
-            let resolved_actual = resolve_binding_decl(dag, actual.decl, &actual.subst, depth + 1)
-                .unwrap_or(actual.decl);
-            if let (
-                TypeConnective::Atom(AtomPayload::Literal(e_bits)),
-                TypeConnective::Atom(AtomPayload::Literal(a_bits)),
-            ) = (
-                &dag.declaration(resolved_expected).connective,
-                &dag.declaration(resolved_actual).connective,
-            ) {
-                if e_bits == a_bits {
-                    return true;
-                }
-            }
-            let Some(expected_ty) =
-                walk_to_type_shape(dag, resolved_expected, &SubstStack::new(), depth + 1)
-            else {
-                return false;
-            };
-            let Some(actual_ty) =
-                walk_to_type_shape(dag, resolved_actual, &actual.subst, depth + 1)
-            else {
-                return false;
-            };
-            expected_ty == actual_ty
-        }
-    }
-}
-
-fn callable_instantiation_conflict(
-    dag: &Dag,
-    target: DeclarationId,
-    expected: DeclarationId,
-    actual: &PortTypeContext,
-    span: &SourceSpan,
-) -> Diagnostic {
-    let expected_name = target_display_name(dag, expected);
-    let actual_name = resolve_binding_decl(dag, actual.decl, &actual.subst, 0)
-        .map(|id| target_display_name(dag, id))
-        .unwrap_or_else(|| format!("declaration#{}", actual.decl.raw()));
-    Diagnostic::ResolveError {
-        name: format!(
-            "implicit template binding for `{}` conflicts while matching `{expected_name}` against `{actual_name}`",
-            target_display_name(dag, target)
-        ),
-        span: span.clone(),
-    correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-    }
-}
-
-/// `port_type_context` reports the default `Int` type shape for integer literals, so
-/// [`bind_expected_decl_to_actual_context`] can reject a callee that expects a range-backed
-/// narrow type (`UInt8`, …). The main transform decision path already allows in-range
-/// literal narrowing; mirror that here so [`resolve_callable_target`] can succeed. Out-of-range
-/// literals surface as [`Diagnostic::MagnitudeOutOfRange`] to match
-/// `decide(Transform)`-style call checks.
-fn int_literal_implicit_bind_tolerated_for_expected(
-    dag: &Dag,
-    expected: DeclarationId,
-    input_port: PortId,
-    span: &SourceSpan,
-) -> Result<bool, Diagnostic> {
-    let Some(literal) = literal_bigint_at(dag, input_port) else {
-        return Ok(false);
-    };
-    match int_literal_fits_expected_type(dag, &literal, expected) {
-        Ok(Some(true)) => Ok(true),
-        Ok(Some(false)) => match integer_range_for_decl(dag, expected) {
-            IntegerRangeLookup::Found(range) => Err(magnitude_out_of_range_for_interval(
-                &literal,
-                TypeShape::new(expected),
-                range,
-                span.clone(),
-            )),
-            IntegerRangeLookup::Invalid(diag) => Err(diag),
-            IntegerRangeLookup::Missing => Ok(false),
-        },
-        Ok(None) => Ok(int_literal_allowed_integral_seed_for_real_decl(
-            dag, &literal, expected,
-        )),
-        Err(diag) => Err(diag),
-    }
-}
-
-fn resolve_callable_target(
-    dag: &Dag,
-    target: DeclarationId,
-    runtime_inputs: &[PortId],
-    span: &SourceSpan,
-) -> CallableTargetResolution {
-    let (template, mut arguments) = callable_template_arguments(dag, target);
-    arguments = retained_template_arguments_for_target(dag, template, &arguments);
-    let Some(signature) = resolve_direct_target_signature(dag, target, &arguments) else {
-        let name = target_display_name(dag, target);
-        return CallableTargetResolution::Fail(Diagnostic::ResolveError {
-            name,
-            span: span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-    };
-    let mut raw_subst = SubstStack::new();
-    raw_subst.push(arguments.clone());
-    let raw_arrow_inputs =
-        resolve_arrow_decl_walk(dag, template, &mut raw_subst, 0).map(|arrow| arrow.inputs);
-
-    let expected_runtime_arity = raw_arrow_inputs
-        .as_ref()
-        .map(|inputs| {
-            inputs
-                .iter()
-                .filter(|input| !declaration_is_callable(dag, **input, 0))
-                .count()
-        })
-        .unwrap_or_else(|| signature.inputs.len());
-    if expected_runtime_arity != runtime_inputs.len() {
-        return CallableTargetResolution::Fail(Diagnostic::ArityMismatch {
-            function: target_display_name(dag, target),
-            expected: expected_runtime_arity,
-            actual: runtime_inputs.len(),
-            span: span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-    }
-
-    let mut runtime_iter = runtime_inputs.iter();
-    if let Some(raw_inputs) = raw_arrow_inputs {
-        for expected_input in raw_inputs {
-            if declaration_is_callable(dag, expected_input, 0) {
-                let Some(actual_callable) = template_argument_value(&arguments, expected_input)
-                else {
-                    return CallableTargetResolution::Retry;
-                };
-                match bind_expected_callable_to_actual(
-                    dag,
-                    expected_input,
-                    actual_callable,
-                    &mut arguments,
-                ) {
-                    CallableBindingResolution::Resolved => {}
-                    CallableBindingResolution::Retry => {
-                        return CallableTargetResolution::Retry;
-                    }
-                    CallableBindingResolution::Conflict => {
-                        return CallableTargetResolution::Fail(
-                            Diagnostic::ResolveError {
-                                name: format!(
-                                    "callable argument to `{}` does not match the expected function type",
-                                    target_display_name(dag, target)
-                                ),
-                                span: span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                            },
-                        );
-                    }
-                }
-                continue;
-            }
-            let Some(input_port) = runtime_iter.next() else {
-                break;
-            };
-            match dag.port(*input_port).state() {
-                PortState::Uninferred => return CallableTargetResolution::Retry,
-                PortState::Unresolved => {
-                    return CallableTargetResolution::Fail(Diagnostic::ResolveError {
-                        name: format!("(upstream failure in {})", target_display_name(dag, target)),
-                        span: span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class(
-                            "InferenceDiagnostic",
-                        ),
-                    });
-                }
-                PortState::Resolved(_) => {}
-            }
-            let Some(actual_ctx) = port_type_context(dag, *input_port) else {
-                return CallableTargetResolution::Retry;
-            };
-            if !bind_expected_decl_to_actual_context(
-                dag,
-                expected_input,
-                &actual_ctx,
-                &mut arguments,
-                0,
-            ) {
-                match int_literal_implicit_bind_tolerated_for_expected(
-                    dag,
-                    expected_input,
-                    *input_port,
-                    span,
-                ) {
-                    Ok(true) => {}
-                    Ok(false) => {
-                        return CallableTargetResolution::Fail(callable_instantiation_conflict(
-                            dag,
-                            target,
-                            expected_input,
-                            &actual_ctx,
-                            span,
-                        ));
-                    }
-                    Err(diag) => return CallableTargetResolution::Fail(diag),
-                }
-            }
-        }
-    } else {
-        for expected_input in &signature.inputs {
-            if declaration_is_callable(dag, expected_input.declaration, 0) {
-                let Some(actual_callable) =
-                    template_argument_value(&arguments, expected_input.declaration)
-                else {
-                    return CallableTargetResolution::Retry;
-                };
-                match bind_expected_callable_to_actual(
-                    dag,
-                    expected_input.declaration,
-                    actual_callable,
-                    &mut arguments,
-                ) {
-                    CallableBindingResolution::Resolved => {}
-                    CallableBindingResolution::Retry => {
-                        return CallableTargetResolution::Retry;
-                    }
-                    CallableBindingResolution::Conflict => {
-                        return CallableTargetResolution::Fail(Diagnostic::ResolveError {
-                            name: format!(
-                                "callable argument to `{}` does not match the expected function type",
-                                target_display_name(dag, target)
-                            ),
-                            span: span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                        });
-                    }
-                }
-                continue;
-            }
-            let Some(actual_callable) =
-                template_argument_value(&arguments, expected_input.declaration)
-            else {
-                let Some(input_port) = runtime_iter.next() else {
-                    break;
-                };
-                match dag.port(*input_port).state() {
-                    PortState::Uninferred => return CallableTargetResolution::Retry,
-                    PortState::Unresolved => {
-                        return CallableTargetResolution::Fail(Diagnostic::ResolveError {
-                            name: format!(
-                                "(upstream failure in {})",
-                                target_display_name(dag, target)
-                            ),
-                            span: span.clone(),
-                            correction: Correction::deferred_for_diagnostic_class(
-                                "InferenceDiagnostic",
-                            ),
-                        });
-                    }
-                    PortState::Resolved(_) => {}
-                }
-                let Some(actual_ctx) = port_type_context(dag, *input_port) else {
-                    return CallableTargetResolution::Retry;
-                };
-                if !bind_expected_decl_to_actual_context(
-                    dag,
-                    expected_input.declaration,
-                    &actual_ctx,
-                    &mut arguments,
-                    0,
-                ) {
-                    match int_literal_implicit_bind_tolerated_for_expected(
-                        dag,
-                        expected_input.declaration,
-                        *input_port,
-                        span,
-                    ) {
-                        Ok(true) => {}
-                        Ok(false) => {
-                            return CallableTargetResolution::Fail(
-                                callable_instantiation_conflict(
-                                    dag,
-                                    target,
-                                    expected_input.declaration,
-                                    &actual_ctx,
-                                    span,
-                                ),
-                            );
-                        }
-                        Err(diag) => return CallableTargetResolution::Fail(diag),
-                    }
-                }
-                continue;
-            };
-            match bind_expected_callable_to_actual(
-                dag,
-                expected_input.declaration,
-                actual_callable,
-                &mut arguments,
-            ) {
-                CallableBindingResolution::Resolved => {}
-                CallableBindingResolution::Retry => {
-                    return CallableTargetResolution::Retry;
-                }
-                CallableBindingResolution::Conflict => {
-                    return CallableTargetResolution::Fail(Diagnostic::ResolveError {
-                        name: format!(
-                            "callable argument to `{}` does not match the expected function type",
-                            target_display_name(dag, target)
-                        ),
-                        span: span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class(
-                            "InferenceDiagnostic",
-                        ),
-                    });
-                }
-            }
-        }
-    }
-
-    let Some(signature) = resolve_direct_target_signature(dag, target, &arguments) else {
-        let name = target_display_name(dag, target);
-        return CallableTargetResolution::Fail(Diagnostic::ResolveError {
-            name,
-            span: span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-    };
-    CallableTargetResolution::Resolved {
-        template,
-        arguments,
-        signature,
-    }
-}
-
-fn resolve_direct_target_signature(
-    dag: &Dag,
-    target: DeclarationId,
-    arguments: &[TemplateArgument],
-) -> Option<ResolvedArrow> {
-    let (template, _) = callable_template_arguments(dag, target);
-    let mut subst = SubstStack::new();
-    subst.push(arguments.to_vec());
-    if let Some(arrow) = resolve_arrow_walk(dag, template, &mut subst, 0) {
-        return Some(arrow);
-    }
-
-    let TypeConnective::Conj { children } = &dag.declaration(template).connective else {
-        return None;
-    };
-    let inputs = children
-        .iter()
-        .map(|child| signature_type_shape(dag, child.ty, &subst, 0))
-        .collect::<Option<Vec<_>>>()?;
-    Some(ResolvedArrow {
-        inputs,
-        output: TypeShape::new(
-            instantiated_enclosing_disj_for_variant(dag, template, arguments)
-                .or_else(|| enclosing_disj_for_variant(dag, template))
-                .unwrap_or(target),
-        ),
-        // Variant constructor synthesis: `Variant(payload)` is direct
-        // construction, not a function call with an executable body.
-        // `NoBody` rather than `Pending` so the synthesized signature
-        // semantically matches the "no body by construction" cases in
-        // declarations, even though this `ResolvedArrow` is transient
-        // inference state (never stored in `Dag.declarations`).
-        body: ArrowBody::NoBody,
-    })
-}
-
-fn instantiated_enclosing_disj_for_variant(
-    dag: &Dag,
-    variant_decl_id: DeclarationId,
-    arguments: &[TemplateArgument],
-) -> Option<DeclarationId> {
-    let enclosing_disj = enclosing_disj_for_variant(dag, variant_decl_id)?;
-    let params = &dag.declaration(enclosing_disj).type_params;
-    if params.is_empty() {
-        return Some(enclosing_disj);
-    }
-    let disj_arguments = params
-        .iter()
-        .map(|parameter| {
-            arguments
-                .iter()
-                .find(|argument| argument.parameter == *parameter)
-                .cloned()
-        })
-        .collect::<Option<Vec<_>>>()?;
-    find_equivalent_anonymous_instantiation(dag, enclosing_disj, &disj_arguments, None)
-}
-
-fn resolve_callable_targets(dag: &mut Dag) -> bool {
-    struct Rewrite {
-        node_index: usize,
-        template: DeclarationId,
-        arguments: Vec<TemplateArgument>,
-    }
-
-    let mut rewrites: Vec<Rewrite> = Vec::new();
-    for (node_index, node) in dag.nodes().iter().enumerate() {
-        let Behavior::Transform(t) = node else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = t.target else {
-            continue;
-        };
-        let CallableTargetResolution::Resolved {
-            template,
-            arguments,
-            ..
-        } = resolve_callable_target(dag, target, &t.inputs, &t.span)
-        else {
-            continue;
-        };
-        let (current_template, current_arguments) = callable_template_arguments(dag, target);
-        if current_template == template
-            && matches!(
-                generated_template_arguments_match(&current_arguments, &arguments),
-                TemplateArgumentsMatch::Match,
-            )
-        {
-            continue;
-        }
-        if arguments.is_empty() && current_template == template {
-            continue;
-        }
-        rewrites.push(Rewrite {
-            node_index,
-            template,
-            arguments,
-        });
-    }
-
-    let mut changed = false;
-    for rewrite in rewrites {
-        let new_target = if rewrite.arguments.is_empty() {
-            rewrite.template
-        } else {
-            let instantiation_id = dag.alloc_declaration_id();
-            dag.push_declaration(crate::dag::Declaration {
-                id: instantiation_id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template: rewrite.template,
-                    arguments: rewrite.arguments,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: synthetic_span(),
-            });
-            instantiation_id
-        };
-        let Behavior::Transform(t) = &mut dag.nodes_mut()[rewrite.node_index] else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = &mut t.target else {
-            continue;
-        };
-        if *target != new_target {
-            *target = new_target;
-            changed = true;
-        }
-    }
-    changed
-}
-
-fn materialize_callable_signature_instantiations(dag: &mut Dag) -> bool {
-    let requests: Vec<(DeclarationId, Vec<TemplateArgument>)> = dag
-        .nodes()
-        .iter()
-        .filter_map(|node| {
-            let Behavior::Transform(t) = node else {
-                return None;
-            };
-            let TransformTarget::Callable(target) = t.target else {
-                return None;
-            };
-            let (template, arguments) = callable_template_arguments(dag, target);
-            (!arguments.is_empty()).then_some((template, arguments))
-        })
-        .collect();
-
-    let initial_count = dag.declarations().len();
-    for (template, arguments) in requests {
-        let mut subst = SubstStack::new();
-        subst.push(arguments);
-        let Some(raw_arrow) = resolve_arrow_decl_walk(dag, template, &mut subst, 0) else {
-            continue;
-        };
-        for input in raw_arrow.inputs {
-            let _ = concretize_decl_with_subst(dag, input, &subst, 0);
-        }
-        let _ = concretize_decl_with_subst(dag, raw_arrow.output, &subst, 0);
-    }
-    dag.declarations().len() != initial_count
-}
-
-fn resolve_lambda_parameter_types(dag: &mut Dag) -> bool {
-    struct Rewrite {
-        port: PortId,
-        ty: TypeShape,
-    }
-
-    let mut rewrites: Vec<Rewrite> = Vec::new();
-
-    for node in dag.nodes() {
-        let Behavior::Transform(t) = node else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = t.target else {
-            continue;
-        };
-        let (template, arguments) = match resolve_callable_target(dag, target, &t.inputs, &t.span) {
-            CallableTargetResolution::Resolved {
-                template,
-                arguments,
-                ..
-            } => (template, arguments),
-            CallableTargetResolution::Retry => {
-                bind_non_callable_target_arguments(dag, target, &t.inputs)
-                    .unwrap_or_else(|| callable_template_arguments(dag, target))
-            }
-            CallableTargetResolution::Fail(_) => continue,
-        };
-        let mut outer_subst = SubstStack::new();
-        outer_subst.push(arguments.clone());
-        let Some(raw_arrow) = resolve_arrow_decl_walk(dag, template, &mut SubstStack::new(), 0)
-        else {
-            continue;
-        };
-        for expected_input in raw_arrow.inputs {
-            if !declaration_is_callable(dag, expected_input, 0) {
-                continue;
-            }
-            let Some(actual_callable) = template_argument_value(&arguments, expected_input) else {
-                continue;
-            };
-            let Some(expected_signature) =
-                resolve_arrow_walk(dag, expected_input, &mut outer_subst.clone(), 0)
-            else {
-                continue;
-            };
-            let TypeConnective::Arrow { body, .. } = &dag.declaration(actual_callable).connective
-            else {
-                continue;
-            };
-            let ArrowBody::UserDefined(bind_id) = body else {
-                continue;
-            };
-            let bind = (*bind_id).bind(dag);
-            if bind.params.len() < expected_signature.inputs.len() {
-                continue;
-            }
-            let start = bind.params.len() - expected_signature.inputs.len();
-            for (port, ty) in bind.params[start..]
-                .iter()
-                .copied()
-                .zip(expected_signature.inputs.iter().copied())
-            {
-                rewrites.push(Rewrite { port, ty });
-            }
-        }
-    }
-
-    let mut changed = false;
-    for rewrite in rewrites {
-        let current = dag.port(rewrite.port).state().clone();
-        if matches!(current, PortState::Resolved(existing) if existing == rewrite.ty) {
-            continue;
-        }
-        if matches!(current, PortState::Unresolved) {
-            continue;
-        }
-        dag.set_port_type(rewrite.port, rewrite.ty);
-        changed = true;
-    }
-    changed
-}
-
-fn validate_user_defined_function_signatures(dag: &mut Dag) -> bool {
-    struct Failure {
-        port: PortId,
-        diagnostic: Diagnostic,
-    }
-
-    let user_defined_arrows: Vec<(DeclarationId, Vec<DeclarationId>, DeclarationId, BindNodeId)> =
-        dag.declarations()
-            .iter()
-            .filter_map(|decl| match &decl.connective {
-                TypeConnective::Arrow {
-                    inputs,
-                    output,
-                    body: ArrowBody::UserDefined(bind_id),
-                } => Some((decl.id, inputs.clone(), *output, *bind_id)),
-                _ => None,
-            })
-            .collect();
-
-    let mut failures = Vec::new();
-
-    'declarations: for (decl_id, inputs, output, bind_id) in user_defined_arrows {
-        let bind = bind_id.bind(dag);
-        if matches!(dag.port(bind.value).state(), PortState::Unresolved) {
-            continue;
-        }
-        if bind.params.len() < inputs.len() {
-            failures.push(Failure {
-                port: bind.value,
-                diagnostic: Diagnostic::ResolveError {
-                    name: format!(
-                        "function `{}` body does not satisfy its declared signature",
-                        dag.declaration(decl_id)
-                            .name
-                            .as_deref()
-                            .unwrap_or("<anonymous>")
-                    ),
-                    span: bind.span.clone(),
-                    correction: witness_correction_for_decl(
-                        dag,
-                        output,
-                        bind.span.clone(),
-                        format!(
-                            "replace the function body with a `{}` value",
-                            declaration_display_name(dag, output)
-                        ),
-                    )
-                    .unwrap_or_else(|| {
-                        crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "InferenceDiagnostic",
-                        )
-                    }),
-                },
-            });
-            continue;
-        }
-
-        let start = bind.params.len() - inputs.len();
-        let mut arguments = Vec::new();
-        for (index, (port, expected_decl)) in bind.params[start..]
-            .iter()
-            .copied()
-            .zip(inputs.iter().copied())
-            .enumerate()
-        {
-            if declaration_is_callable(dag, expected_decl, 0) {
-                continue;
-            }
-            match dag.port(port).state() {
-                PortState::Uninferred | PortState::Unresolved => continue 'declarations,
-                PortState::Resolved(_) => {}
-            }
-            let Some(actual_ctx) = port_type_context(dag, port) else {
-                continue 'declarations;
-            };
-            if bind_expected_decl_to_actual_context(
-                dag,
-                expected_decl,
-                &actual_ctx,
-                &mut arguments,
-                0,
-            ) {
-                continue;
-            }
-
-            failures.push(Failure {
-                port: bind.value,
-                diagnostic: Diagnostic::ResolveError {
-                    name: format!(
-                        "function `{}` parameter {} does not satisfy its declared signature",
-                        dag.declaration(decl_id)
-                            .name
-                            .as_deref()
-                            .unwrap_or("<anonymous>"),
-                        index + 1
-                    ),
-                    span: bind.span.clone(),
-                    correction: witness_correction_for_decl(
-                        dag,
-                        expected_decl,
-                        bind.span.clone(),
-                        format!(
-                            "replace the parameter use with a `{}` value",
-                            declaration_display_name(dag, expected_decl)
-                        ),
-                    )
-                    .unwrap_or_else(|| {
-                        crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "InferenceDiagnostic",
-                        )
-                    }),
-                },
-            });
-            continue 'declarations;
-        }
-
-        match dag.port(bind.value).state() {
-            PortState::Uninferred | PortState::Unresolved => continue,
-            PortState::Resolved(_) => {}
-        }
-        if declaration_is_callable(dag, output, 0) {
-            continue;
-        }
-        let Some(actual_ctx) = port_type_context(dag, bind.value) else {
-            continue;
-        };
-        if bind_expected_decl_to_actual_context(dag, output, &actual_ctx, &mut arguments, 0) {
-            continue;
-        }
-
-        failures.push(Failure {
-            port: bind.value,
-            diagnostic: Diagnostic::ResolveError {
-                name: format!(
-                    "function `{}` body does not satisfy its declared return type",
-                    dag.declaration(decl_id)
-                        .name
-                        .as_deref()
-                        .unwrap_or("<anonymous>")
-                ),
-                span: bind.span.clone(),
-                correction: witness_correction_for_decl(
-                    dag,
-                    output,
-                    bind.span.clone(),
-                    format!(
-                        "replace the function body with a `{}` value",
-                        declaration_display_name(dag, output)
-                    ),
-                )
-                .unwrap_or_else(|| {
-                    crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "InferenceDiagnostic",
-                    )
-                }),
-            },
-        });
-    }
-
-    let mut changed = false;
-    for failure in failures {
-        if matches!(dag.port(failure.port).state(), PortState::Unresolved) {
-            continue;
-        }
-        dag.mark_unresolved(failure.port, failure.diagnostic);
-        changed = true;
-    }
-    changed
-}
-
-fn bind_non_callable_target_arguments(
-    dag: &Dag,
-    target: DeclarationId,
-    runtime_inputs: &[PortId],
-) -> Option<(DeclarationId, Vec<TemplateArgument>)> {
-    let (template, mut arguments) = callable_template_arguments(dag, target);
-    let signature = resolve_direct_target_signature(dag, target, &arguments)?;
-    let mut raw_subst = SubstStack::new();
-    raw_subst.push(arguments.clone());
-    let raw_arrow_inputs =
-        resolve_arrow_decl_walk(dag, template, &mut raw_subst, 0).map(|arrow| arrow.inputs);
-
-    let expected_runtime_arity = raw_arrow_inputs
-        .as_ref()
-        .map(|inputs| {
-            inputs
-                .iter()
-                .filter(|input| !declaration_is_callable(dag, **input, 0))
-                .count()
-        })
-        .unwrap_or_else(|| signature.inputs.len());
-    if expected_runtime_arity != runtime_inputs.len() {
-        return None;
-    }
-
-    let mut runtime_iter = runtime_inputs.iter();
-    if let Some(raw_inputs) = raw_arrow_inputs {
-        for expected_input in raw_inputs {
-            if declaration_is_callable(dag, expected_input, 0) {
-                continue;
-            }
-            let input_port = *runtime_iter.next()?;
-            let actual_ctx = port_type_context(dag, input_port)?;
-            if !bind_expected_decl_to_actual_context(
-                dag,
-                expected_input,
-                &actual_ctx,
-                &mut arguments,
-                0,
-            ) {
-                return None;
-            }
-        }
-    } else {
-        for expected_input in &signature.inputs {
-            if declaration_is_callable(dag, expected_input.declaration, 0) {
-                continue;
-            }
-            let input_port = *runtime_iter.next()?;
-            let actual_ctx = port_type_context(dag, input_port)?;
-            if !bind_expected_decl_to_actual_context(
-                dag,
-                expected_input.declaration,
-                &actual_ctx,
-                &mut arguments,
-                0,
-            ) {
-                return None;
-            }
-        }
-    }
-
-    Some((template, arguments))
-}
-
-fn walk_to_conj_decl_with_subst(
-    dag: &Dag,
-    start: DeclarationId,
-    subst: &mut SubstStack,
-) -> Option<DeclarationId> {
-    match walk_to_conj_decl_with_subst_or_opacity(dag, start, subst, false) {
-        ConjWalkResult::Conj(id) => Some(id),
-        ConjWalkResult::NoConj => None,
-        ConjWalkResult::NominalOpaque(_) => {
-            unreachable!("opacity check is disabled for ordinary Conj walks")
-        }
-    }
-}
-
-enum ConjWalkResult {
-    Conj(DeclarationId),
-    NominalOpaque(DeclarationId),
-    NoConj,
-}
-
-fn walk_to_conj_decl_with_subst_or_opacity(
-    dag: &Dag,
-    start: DeclarationId,
-    subst: &mut SubstStack,
-    stop_at_nominal_opacity: bool,
-) -> ConjWalkResult {
-    let mut current = start;
-    for _ in 0..WALK_DEPTH_LIMIT {
-        let decl = dag.declaration(current);
-        if stop_at_nominal_opacity && decl.nominal_opacity.is_some() {
-            return ConjWalkResult::NominalOpaque(current);
-        }
-        match &decl.connective {
-            TypeConnective::Conj { .. } => return ConjWalkResult::Conj(current),
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                let Some(next) = subst.lookup(current) else {
-                    return ConjWalkResult::NoConj;
-                };
-                current = next;
-            }
-            _ => return ConjWalkResult::NoConj,
-        }
-    }
-    ConjWalkResult::NoConj
-}
-
-fn walk_to_disj_decl_with_subst(
-    dag: &Dag,
-    start: DeclarationId,
-    subst: &mut SubstStack,
-) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..WALK_DEPTH_LIMIT {
-        let decl = dag.declaration(current);
-        match &decl.connective {
-            TypeConnective::Disj { .. } => return Some(current),
-            TypeConnective::Cardinality(p)
-                if p.bound() == crate::dag::CardinalityBound::AtMostOne =>
-            {
-                return existing_optional_match_disj_decl(dag, current);
-            }
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                current = subst.lookup(current)?;
-            }
-            _ => return None,
-        }
-    }
-    None
-}
-
-fn enclosing_disj_for_variant(dag: &Dag, variant_decl_id: DeclarationId) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return None;
-        };
-        variants
-            .iter()
-            .find(|variant| variant.ty == variant_decl_id)
-            .map(|_| decl.id)
-    })
-}
-
-fn resolve_payload_binding_type(
-    dag: &Dag,
-    variant_decl_id: DeclarationId,
-    subst: &SubstStack,
-    variant_name: &str,
-    binding_name: &str,
-    span: &SourceSpan,
-) -> Result<PayloadBindingResolution, Diagnostic> {
-    match &dag.declaration(variant_decl_id).connective {
-        TypeConnective::Conj { children } if children.is_empty() => {
-            Err(Diagnostic::ResolveError {
-                name: format!(
-                    "variant `{variant_name}` does not carry a payload and cannot bind `{binding_name}`"
-                ),
-                span: span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-            })
-        }
-        TypeConnective::Conj { children }
-            if children.len() == 1 && children[0].label.as_str() == "_0" =>
-        {
-            let payload_type_decl = children[0].ty;
-            walk_to_type_shape(dag, payload_type_decl, subst, 0)
-                .map(PayloadBindingResolution::Direct)
-                .ok_or_else(|| Diagnostic::ResolveError {
-                    name: format!(
-                        "variant `{variant_name}` payload does not resolve to a port type for binding `{binding_name}`"
-                    ),
-                    span: span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-                })
-        }
-        TypeConnective::Conj { .. } => Ok(PayloadBindingResolution::SpecializedRecord {
-            variant_decl_id,
-            subst: subst.clone(),
-        }),
-        _ => {
-            Err(Diagnostic::ResolveError {
-                name: format!(
-                    "variant `{variant_name}` does not lower to a payload Conj and cannot bind `{binding_name}`"
-                ),
-                span: span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-            })
-        }
-    }
-}
-
-fn materialize_specialized_payload_record(
-    dag: &mut Dag,
-    variant_decl_id: DeclarationId,
-    subst: &SubstStack,
-) -> TypeShape {
-    let variant_decl = dag.declaration(variant_decl_id).clone();
-    let TypeConnective::Conj { children } = variant_decl.connective else {
-        return TypeShape::new(variant_decl_id);
-    };
-    let specialized_children: Vec<Field> = children
-        .into_iter()
-        .map(|field| Field {
-            label: field.label,
-            ty: concretize_decl_with_subst(dag, field.ty, subst, 0),
-        })
-        .collect();
-    if let Some(existing) = find_equivalent_anonymous_conj(dag, &specialized_children) {
-        return TypeShape::new(existing);
-    }
-    let id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id,
-        name: None,
-        connective: TypeConnective::Conj {
-            children: specialized_children,
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: variant_decl.span,
-    });
-    TypeShape::new(id)
-}
-
-pub(crate) fn concretize_decl_with_subst(
-    dag: &mut Dag,
-    current: DeclarationId,
-    subst: &SubstStack,
-    depth: usize,
-) -> DeclarationId {
-    if depth >= WALK_DEPTH_LIMIT {
-        return current;
-    }
-    let decl = dag.declaration(current).clone();
-    // DB-16 (3a.3 closure): refinement-bearing declarations whose base
-    // requires substitution materialize a fresh substituted-refined
-    // carrier — structurally identical to what `lower_parameter_refinement`
-    // would produce if the user had authored the refinement on the
-    // concrete type directly. Runs before the connective match so the
-    // refinement edge is preserved across the walk.
-    if decl.refinement.is_some() && refinement_base_requires_substitution(dag, current, subst) {
-        return materialize_substituted_refined_decl(dag, current, subst);
-    }
-    match decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => subst.lookup(current).unwrap_or(current),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            concretize_decl_with_subst(dag, next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let specialized_arguments: Vec<TemplateArgument> = arguments
-                .into_iter()
-                .map(|arg| TemplateArgument {
-                    parameter: arg.parameter,
-                    value: concretize_decl_with_subst(dag, arg.value, subst, depth + 1),
-                })
-                .collect();
-            if let Some(existing) = find_equivalent_anonymous_instantiation(
-                dag,
-                template,
-                &specialized_arguments,
-                decl.nominal_opacity.as_ref(),
-            ) {
-                return existing;
-            }
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template,
-                    arguments: specialized_arguments,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: decl.nominal_opacity.clone(),
-                span: decl.span,
-            });
-            id
-        }
-        TypeConnective::Cardinality(p) => {
-            let element = p.element();
-            let bound = p.bound();
-            let specialized_element = concretize_decl_with_subst(dag, element, subst, depth + 1);
-            if let Some(existing) =
-                find_equivalent_anonymous_cardinality(dag, specialized_element, &bound)
-            {
-                return existing;
-            }
-            dag.alloc_cardinality_decl(specialized_element, bound, decl.span.clone())
-        }
-        _ => current,
-    }
-}
-
-/// DB-16 (3a.3 closure): gate used by both `concretize_decl_with_subst`
-/// (construction side) and `signature_type_shape` (consumer side) to
-/// decide whether a refinement-bearing declaration needs substitution
-/// before its refinement edge can be meaningfully consumed.
-///
-/// Returns `true` iff walking the refined carrier's base through
-/// `Atom(ResolvedIdentifier(_))` hops lands on either:
-/// - a `TypeParam` declaration whose id is bound in `subst`, or
-/// - an `Instantiation` whose arguments reference substitution-bound
-///   TypeParams (i.e., substitution would materially change the
-///   resolved base).
-///
-/// For concrete refined carriers (`Int where pred(x)`) the walk
-/// short-circuits to `false`; DB-11's identity-terminator fires
-/// unchanged. For refined TypeParams with no active binding (earlier
-/// iteration retry case) the walk also returns `false`.
-fn refinement_base_requires_substitution(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &SubstStack,
-) -> bool {
-    let decl = dag.declaration(current);
-    let TypeConnective::Atom(
-        AtomPayload::ResolvedByStructure(base) | AtomPayload::ResolvedByName(base),
-    ) = &decl.connective
-    else {
-        return false;
-    };
-    refinement_base_walk(dag, *base, subst, 0)
-}
-
-fn refinement_base_walk(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &SubstStack,
-    depth: usize,
-) -> bool {
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-    let decl = dag.declaration(current);
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => subst.lookup(current).is_some(),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            refinement_base_walk(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation { arguments, .. } => arguments
-            .iter()
-            .any(|arg| refinement_base_walk(dag, arg.value, subst, depth + 1)),
-        TypeConnective::Cardinality(p) => refinement_base_walk(dag, p.element(), subst, depth + 1),
-        _ => false,
-    }
-}
-
-/// DB-16 (3a.3 closure): the sole construction site for substituted
-/// refined carriers. Called from `concretize_decl_with_subst`'s
-/// refinement branch during the `materialize_callable_signature_instantiations`
-/// phase. Produces a fresh anonymous `Declaration` structurally
-/// identical to what `lower_parameter_refinement` would produce if
-/// the user had authored the refinement on the concrete substituted
-/// base directly.
-///
-/// Dedups against existing substituted-refined carriers in the Dag
-/// before allocating — at fixpoint iteration N+1, if iteration N
-/// already produced a carrier for this (template, subst), the scan
-/// finds it and no new allocation happens.
-///
-/// Fail-closed per C-8: substrate-integrity violations register
-/// diagnostics rather than silently degrading to the template carrier.
-fn materialize_substituted_refined_decl(
-    dag: &mut Dag,
-    template_refined: DeclarationId,
-    subst: &SubstStack,
-) -> DeclarationId {
-    // Dedup: if a matching substituted-refined carrier already exists
-    // (e.g., from an earlier fixpoint iteration), reuse it.
-    if let Some(existing) = find_equivalent_substituted_refined_decl(dag, template_refined, subst) {
-        return existing;
-    }
-
-    let template_decl = dag.declaration(template_refined).clone();
-    let Some(template_pred_decl_id) = template_decl.refinement else {
-        // Caller (concretize_decl_with_subst's refinement branch) checks
-        // `decl.refinement.is_some()` before entering. Reaching this
-        // point means the caller contract was violated — surface that
-        // rather than masking it with a silent fallthrough.
-        unreachable!(
-            "materialize_substituted_refined_decl entered on declaration {:?} without refinement edge",
-            template_refined
-        );
-    };
-    let TypeConnective::Atom(
-        AtomPayload::ResolvedByStructure(template_base)
-        | AtomPayload::ResolvedByName(template_base),
-    ) = template_decl.connective
-    else {
-        // Caller also checks `refinement_base_requires_substitution`,
-        // whose first step returns false for any connective other than
-        // `Atom(ResolvedIdentifier(_))`. Reaching this point means the
-        // caller contract was violated.
-        unreachable!(
-            "materialize_substituted_refined_decl entered on declaration {:?} whose connective is not Atom(ResolvedIdentifier(_))",
-            template_refined
-        );
-    };
-    let template_span = template_decl.span.clone();
-
-    // Step 1: resolve the substituted base.
-    let Some(substituted_base) = resolve_decl_with_subst(dag, template_base, subst, 0) else {
-        dag.attach_diagnostic(Diagnostic::ResolveError {
-            name: "refined-generic substitution: substituted base did not resolve".to_string(),
-            span: template_span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-        return template_refined;
-    };
-
-    // Step 2: extract original predicate slots.
-    let Some((original_param_port, original_body_port)) =
-        outer_predicate_slots(dag, template_pred_decl_id)
-    else {
-        let pred_span = dag.declaration(template_pred_decl_id).span.clone();
-        dag.attach_diagnostic(Diagnostic::ResolveError {
-            name: "refined-generic substitution: malformed predicate shape".to_string(),
-            span: pred_span,
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-        return template_refined;
-    };
-
-    // Step 3: allocate fresh composite param port typed as substituted base.
-    let fresh_param_port = dag.alloc_port(None);
-    dag.set_port_type(fresh_param_port, TypeShape::new(substituted_base));
-
-    // Step 4: clone the predicate body, routing Transform targets
-    // through the active substitution stack.
-    let Some(cloned_body_port) = clone_predicate_body(
-        dag,
-        original_body_port,
-        original_param_port,
-        fresh_param_port,
-        subst,
-        0,
-    ) else {
-        dag.attach_diagnostic(Diagnostic::ResolveError {
-            name: "refined-generic substitution: out-of-fragment predicate body reached materialization"
-                .to_string(),
-            span: template_span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-        return template_refined;
-    };
-
-    // Step 5: wrap cloned body in a fresh Bind.
-    let bind_id = dag.alloc_node_id();
-    dag.push_node(Behavior::Bind(BindNode {
-        id: bind_id,
-        name: "<refinement:substituted>".to_string(),
-        value: cloned_body_port,
-        params: vec![fresh_param_port],
-        span: template_span.clone(),
-        lane2_workflow: None,
-        emit_participation: None,
-    }));
-
-    // Step 5 (cont.): build the fresh predicate-Arrow Declaration.
-    // Inherit the original predicate's output type (Bool) — reading it
-    // from the original Arrow keeps this module independent of the
-    // Bool-decl lookup pattern `lower_parameter_refinement` uses.
-    let TypeConnective::Arrow {
-        output: bool_decl_id,
-        ..
-    } = &dag.declaration(template_pred_decl_id).connective
-    else {
-        // `outer_predicate_slots` rejected non-Arrow predicates at
-        // step 2 above; reaching this point means the predicate
-        // declaration's connective mutated between step 2 and step 5,
-        // which is impossible under `&mut Dag` exclusive access.
-        unreachable!(
-            "predicate declaration {:?} connective is not Arrow despite outer_predicate_slots succeeding",
-            template_pred_decl_id
-        );
-    };
-    let bool_decl_id = *bool_decl_id;
-
-    let fresh_pred_decl_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: fresh_pred_decl_id,
-        name: None,
-        connective: TypeConnective::Arrow {
-            inputs: vec![substituted_base],
-            output: bool_decl_id,
-            body: ArrowBody::UserDefined(
-                BindNodeId::from_bind_node(dag, bind_id)
-                    .expect("UserDefined Arrow body bind id must point at a Bind"),
-            ),
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: template_span.clone(),
-    });
-
-    // Step 6: allocate the substituted-refined carrier Declaration.
-    let fresh_refined_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: fresh_refined_id,
-        name: None,
-        connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(substituted_base)),
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: Some(fresh_pred_decl_id),
-        nominal_opacity: None,
-        span: template_span,
-    });
-
-    fresh_refined_id
-}
-
-/// DB-16 (3a.3 closure): read-only lookup used by both
-/// `concretize_decl_with_subst` (pre-allocation dedup) and
-/// `signature_type_shape` (consumer-side lookup gate).
-///
-/// Given a template refined carrier and an active substitution, scans
-/// `dag.declarations()` for an already-materialized substituted-refined
-/// carrier whose base matches the substituted base AND whose predicate
-/// body walks structurally equal to what cloning the template's body
-/// with the given subst WOULD produce. Mirrors
-/// `find_equivalent_anonymous_instantiation`'s dedup pattern.
-///
-/// Pure read; no allocation. `&Dag`.
-fn find_equivalent_substituted_refined_decl(
-    dag: &Dag,
-    template_refined: DeclarationId,
-    subst: &SubstStack,
-) -> Option<DeclarationId> {
-    let template_decl = dag.declaration(template_refined);
-    let TypeConnective::Atom(
-        AtomPayload::ResolvedByStructure(template_base)
-        | AtomPayload::ResolvedByName(template_base),
-    ) = &template_decl.connective
-    else {
-        return None;
-    };
-    let template_pred_id = template_decl.refinement?;
-
-    let substituted_base = resolve_decl_with_subst(dag, *template_base, subst, 0)?;
-    if substituted_base == *template_base {
-        return None;
-    }
-
-    let (template_param, template_body) = outer_predicate_slots(dag, template_pred_id)?;
-
-    for decl in dag.declarations() {
-        if decl.name.is_some() {
-            continue;
-        }
-        if decl.id == template_refined {
-            continue;
-        }
-        let TypeConnective::Atom(
-            AtomPayload::ResolvedByStructure(cand_base) | AtomPayload::ResolvedByName(cand_base),
-        ) = &decl.connective
-        else {
-            continue;
-        };
-        if *cand_base != substituted_base {
-            continue;
-        }
-        let Some(cand_pred_id) = decl.refinement else {
-            continue;
-        };
-        let Some((cand_param, cand_body)) = outer_predicate_slots(dag, cand_pred_id) else {
-            continue;
-        };
-        if predicate_bodies_equal_under_subst(
-            dag,
-            cand_body,
-            cand_param,
-            template_body,
-            template_param,
-            subst,
-            0,
-        ) {
-            return Some(decl.id);
-        }
-    }
-    None
-}
-
-/// DB-16 (3a.3 closure): lockstep structural equality on two predicate
-/// bodies, threading the active substitution stack through the
-/// template side's Transform target decl-level references. Used by
-/// `find_equivalent_substituted_refined_decl` to compare a candidate
-/// materialized body against what cloning the template would produce.
-///
-/// Pure read; walks Value/Transform nodes, treats the parameter-slot
-/// on each side as equivalent. Mirrors `clone_predicate_body`'s shape
-/// exactly so the comparison is faithful to what cloning emits.
-fn predicate_bodies_equal_under_subst(
-    dag: &Dag,
-    cand_port: PortId,
-    cand_param: PortId,
-    template_port: PortId,
-    template_param: PortId,
-    subst: &SubstStack,
-    depth: usize,
-) -> bool {
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-    let cand_is_param = cand_port == cand_param;
-    let template_is_param = template_port == template_param;
-    if cand_is_param != template_is_param {
-        return false;
-    }
-    if cand_is_param {
-        return true;
-    }
-
-    let cand_node_id = dag.port(cand_port).produced_by;
-    let template_node_id = dag.port(template_port).produced_by;
-    match (cand_node_id, template_node_id) {
-        (None, None) => cand_port == template_port,
-        (Some(cand_id), Some(template_id)) => match (dag.node(cand_id), dag.node(template_id)) {
-            (Behavior::Value(cand_v), Behavior::Value(template_v)) => {
-                cand_v.data == template_v.data
-            }
-            (Behavior::Transform(cand_t), Behavior::Transform(template_t)) => {
-                if !transform_targets_equal_under_subst(
-                    dag,
-                    &cand_t.target,
-                    &template_t.target,
-                    subst,
-                ) {
-                    return false;
-                }
-                if cand_t.inputs.len() != template_t.inputs.len() {
-                    return false;
-                }
-                cand_t
-                    .inputs
-                    .iter()
-                    .zip(template_t.inputs.iter())
-                    .all(|(c, t)| {
-                        predicate_bodies_equal_under_subst(
-                            dag,
-                            *c,
-                            cand_param,
-                            *t,
-                            template_param,
-                            subst,
-                            depth + 1,
-                        )
-                    })
-            }
-            _ => false,
-        },
-        _ => false,
-    }
-}
-
-fn transform_targets_equal_under_subst(
-    dag: &Dag,
-    cand: &TransformTarget,
-    template: &TransformTarget,
-    subst: &SubstStack,
-) -> bool {
-    match (cand, template) {
-        (TransformTarget::Operator(a), TransformTarget::Operator(b)) => a == b,
-        (TransformTarget::Callable(cand_id), TransformTarget::Callable(template_id)) => {
-            callable_decls_equal_under_subst(dag, *cand_id, *template_id, subst)
-        }
-        (
-            TransformTarget::UnresolvedFieldProject {
-                field_label: cand_label,
-            },
-            TransformTarget::UnresolvedFieldProject {
-                field_label: template_label,
-            },
-        ) => cand_label == template_label,
-        (
-            TransformTarget::ResolvedFieldProject {
-                field_label: cand_label,
-            },
-            TransformTarget::ResolvedFieldProject {
-                field_label: template_label,
-            },
-        ) => cand_label == template_label,
-        _ => false,
-    }
-}
-
-/// DB-16 (3a.3 closure): structural equivalence between two declaration
-/// references under an active substitution stack. Used by
-/// `transform_targets_equal_under_subst` to compare Callable /
-/// FieldProject target decl-level references when one side is a
-/// template-context Instantiation (possibly carrying extra bindings
-/// for outer TypeParams) and the other is a concrete site
-/// Instantiation (only bindings for the callee's own TypeParams).
-///
-/// Strategy: normalize both sides to their template-own-type-param
-/// bindings (filtering out substitution-stack artifacts from the
-/// template side), resolve through the subst stack on the template
-/// side, then compare. Falls back to
-/// `declaration_shapes_equivalent` when either side isn't an
-/// Instantiation (direct decl id match).
-fn callable_decls_equal_under_subst(
-    dag: &Dag,
-    cand_id: DeclarationId,
-    template_id: DeclarationId,
-    subst: &SubstStack,
-) -> bool {
-    if cand_id == template_id {
-        return true;
-    }
-    // Fast path: resolve template through subst and compare directly.
-    let template_resolved =
-        resolve_decl_with_subst(dag, template_id, subst, 0).unwrap_or(template_id);
-    if cand_id == template_resolved
-        || declaration_shapes_equivalent(dag, cand_id, template_resolved, 0)
-    {
-        return true;
-    }
-    // Fallback: both are Instantiations, compare by template own-type-params.
-    let (Some(cand_norm), Some(template_norm)) = (
-        normalized_instantiation_args(dag, cand_id),
-        normalized_instantiation_args(dag, template_id),
-    ) else {
-        return false;
-    };
-    if cand_norm.template != template_norm.template {
-        return false;
-    }
-    if cand_norm.args.len() != template_norm.args.len() {
-        return false;
-    }
-    cand_norm
-        .args
-        .iter()
-        .zip(template_norm.args.iter())
-        .all(|(c_arg, t_arg)| {
-            c_arg.parameter == t_arg.parameter && {
-                let t_val =
-                    resolve_decl_with_subst(dag, t_arg.value, subst, 0).unwrap_or(t_arg.value);
-                c_arg.value == t_val || declaration_shapes_equivalent(dag, c_arg.value, t_val, 0)
-            }
-        })
-}
-
-struct NormalizedInstantiation {
-    template: DeclarationId,
-    args: Vec<TemplateArgument>,
-}
-
-/// DB-16 (3a.3 closure): normalize an `Instantiation` declaration by
-/// stripping **only** self-bindings (`arg.parameter == arg.value`).
-///
-/// Self-bindings are reattachment artifacts produced by
-/// `resolve_callable_target`'s unification when a generic call site
-/// is encountered under an outer generic scope: the outer TypeParam
-/// binds to itself in the callee's argument list because no concrete
-/// value has been inferred yet. Those self-bindings are no-op under
-/// substitution (`SubstStack::lookup` short-circuits to `None` on
-/// them) but inflate argument-length comparisons in strict
-/// structural checks.
-///
-/// Non-self bindings are NEVER stripped: retained callable-argument
-/// identities (per `retained_template_arguments_for_target`) carry
-/// semantic meaning that must survive DB-16's equivalence walk. Two
-/// Instantiations that differ only by a non-self retained binding
-/// are structurally distinct and must compare unequal.
-fn normalized_instantiation_args(
-    dag: &Dag,
-    decl: DeclarationId,
-) -> Option<NormalizedInstantiation> {
-    match normalize_instantiation_arguments(&dag.declaration(decl).connective) {
-        NormalizedInstantiationArgs::NotInstantiation => None,
-        NormalizedInstantiationArgs::Normalized { template, args } => {
-            Some(NormalizedInstantiation { template, args })
-        }
-    }
-}
-
-fn find_equivalent_anonymous_conj(dag: &Dag, children: &[Field]) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        if decl.name.is_some() {
-            return None;
-        }
-        let TypeConnective::Conj { children: existing } = &decl.connective else {
-            return None;
-        };
-        (existing.len() == children.len()
-            && existing
-                .iter()
-                .zip(children.iter())
-                .all(|(lhs, rhs)| lhs.label == rhs.label && lhs.ty == rhs.ty))
-        .then_some(decl.id)
-    })
-}
-
-fn find_equivalent_anonymous_instantiation(
-    dag: &Dag,
-    template: DeclarationId,
-    arguments: &[TemplateArgument],
-    nominal_opacity: Option<&NominalOpacity>,
-) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        if decl.name.is_some() {
-            return None;
-        }
-        let TypeConnective::Instantiation {
-            template: existing_template,
-            arguments: existing_arguments,
-        } = &decl.connective
-        else {
-            return None;
-        };
-        (template == *existing_template
-            && decl.nominal_opacity.as_ref() == nominal_opacity
-            && matches!(
-                generated_template_arguments_match(existing_arguments, arguments),
-                TemplateArgumentsMatch::Match,
-            ))
-        .then_some(decl.id)
-    })
-}
-
-fn find_equivalent_anonymous_cardinality(
-    dag: &Dag,
-    element: DeclarationId,
-    bound: &crate::dag::CardinalityBound,
-) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        if decl.name.is_some() {
-            return None;
-        }
-        let TypeConnective::Cardinality(existing) = &decl.connective else {
-            return None;
-        };
-        (element == existing.element() && existing.bound() == *bound).then_some(decl.id)
-    })
-}
-
-enum FieldProjectResolution {
-    Retry,
-    Fail(Box<Diagnostic>),
-    Resolved { output_ty: TypeShape },
-}
-
-impl FieldProjectResolution {
-    fn fail(diagnostic: Diagnostic) -> Self {
-        Self::Fail(Box::new(diagnostic))
-    }
-}
-
-fn resolve_field_project(
-    dag: &Dag,
-    t: &TransformNode,
-    field_label: &str,
-) -> FieldProjectResolution {
-    if t.inputs.len() != 1 {
-        return FieldProjectResolution::fail(Diagnostic::ArityMismatch {
-            function: format!(".{field_label}"),
-            expected: 1,
-            actual: t.inputs.len(),
-            span: t.span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-    }
-
-    let input_ty = match dag.port(t.inputs[0]).state() {
-        PortState::Uninferred => return FieldProjectResolution::Retry,
-        PortState::Unresolved => {
-            return FieldProjectResolution::fail(Diagnostic::ResolveError {
-                name: format!("(upstream failure in field `{field_label}`)"),
-                span: t.span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-            })
-        }
-        PortState::Resolved(ty) => *ty,
-    };
-
-    let mut subst = SubstStack::new();
-    if let Some(opaque_decl) = first_nominal_opaque_on_conj_walk(dag, input_ty.declaration, &subst)
-    {
-        return FieldProjectResolution::fail(Diagnostic::NominalOpacityViolation {
-            declaration: opaque_decl,
-            accessor: None,
-            span: t.span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-    }
-    let Some(actual_conj_id) = walk_to_conj_decl_with_subst(dag, input_ty.declaration, &mut subst)
-    else {
-        return FieldProjectResolution::fail(Diagnostic::ResolveError {
-            name: format!(
-                "field `{field_label}` cannot be projected from `{}` because it does not walk to a Conj type",
-                target_display_name(dag, input_ty.declaration),
-            ),
-            span: t.span.clone(),
-        correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-    };
-
-    let children = match &dag.declaration(actual_conj_id).connective {
-        TypeConnective::Conj { children } => children,
-        _ => unreachable!("walk_to_conj_decl returned a non-Conj declaration"),
-    };
-    let Some(field_decl_id) = children
-        .iter()
-        .find(|field| field.label == field_label)
-        .map(|field| field.ty)
-    else {
-        let field_start = t.span.byte_end.saturating_sub(field_label.len() as u32);
-        let correction = match children.as_slice() {
-            [field] => Correction::live(
-                format!("did you mean field `{}`?", field.label),
-                SourceSpan::new(t.span.file.clone(), field_start, t.span.byte_end),
-                field.label.clone(),
-            ),
-            fields => {
-                let candidates = fields
-                    .iter()
-                    .map(|field| field.label.as_str())
-                    .collect::<Vec<_>>()
-                    .join(", ");
-                Correction::deferred(
-                    format!(
-                        "field `{field_label}` has multiple valid replacements: {candidates}"
-                    ),
-                    "R3 Gap 9 row #106 field-choice correction workflow",
-                    "model structured alternative corrections so each candidate can be surfaced without choosing arbitrarily",
-                )
-            }
-        };
-        return FieldProjectResolution::fail(Diagnostic::ResolveError {
-            name: format!(
-                "field `{field_label}` does not exist on `{}`",
-                target_display_name(dag, input_ty.declaration),
-            ),
-            span: t.span.clone(),
-            correction,
-        });
-    };
-    let Some(output_ty) = walk_to_type_shape(dag, field_decl_id, &subst, 0) else {
-        return FieldProjectResolution::fail(Diagnostic::ResolveError {
-            name: format!(
-                "field `{field_label}` on `{}` does not resolve to a port type",
-                target_display_name(dag, input_ty.declaration),
-            ),
-            span: t.span.clone(),
-            correction: Correction::deferred_for_diagnostic_class("InferenceDiagnostic"),
-        });
-    };
-
-    FieldProjectResolution::Resolved { output_ty }
-}
-
-fn first_nominal_opaque_on_conj_walk(
-    dag: &Dag,
-    start: DeclarationId,
-    subst: &SubstStack,
-) -> Option<DeclarationId> {
-    let mut subst = subst.clone();
-    match walk_to_conj_decl_with_subst_or_opacity(dag, start, &mut subst, true) {
-        ConjWalkResult::NominalOpaque(id) => Some(id),
-        ConjWalkResult::Conj(_) | ConjWalkResult::NoConj => None,
-    }
-}
-
-fn decide_field_project(dag: &Dag, t: &TransformNode, field_label: &str) -> Decision {
-    match resolve_field_project(dag, t, field_label) {
-        FieldProjectResolution::Retry => Decision::Retry,
-        FieldProjectResolution::Fail(diag) => Decision::fail(t.output, *diag),
-        FieldProjectResolution::Resolved { output_ty, .. } => Decision::Set(t.output, output_ty),
-    }
-}
-
-fn resolve_field_project_targets(dag: &mut Dag) -> bool {
-    let mut rewrites: Vec<(usize, String)> = Vec::new();
-    for (node_index, node) in dag.nodes().iter().enumerate() {
-        let Behavior::Transform(t) = node else {
-            continue;
-        };
-        let TransformTarget::UnresolvedFieldProject { field_label } = &t.target else {
-            continue;
-        };
-        let FieldProjectResolution::Resolved { .. } = resolve_field_project(dag, t, field_label)
-        else {
-            continue;
-        };
-        rewrites.push((node_index, field_label.clone()));
-    }
-
-    let mut changed = false;
-    for (node_index, field_label) in rewrites {
-        let Behavior::Transform(t) = &mut dag.nodes_mut()[node_index] else {
-            continue;
-        };
-        let target = &mut t.target;
-        let TransformTarget::UnresolvedFieldProject { .. } = target else {
-            continue;
-        };
-        *target = TransformTarget::ResolvedFieldProject { field_label };
-        changed = true;
-    }
-    changed
-}
-
-const WALK_DEPTH_LIMIT: usize = 32;
-/// §8.9 operator dispatch via structural algebra walk.
-///
-/// Walks the LHS type's declaration chain (following `Instantiation`
-/// and `ResolvedIdentifier` edges) until it reaches an algebra
-/// `Conj` declaration, then looks up the operator's field by name
-/// (via `OperatorKind::algebra_field_name`). The field's Arrow
-/// signature is read from the declaration graph — the compiler
-/// consumes `std/algebra.dag` as authority rather than fabricating
-/// signatures in Rust.
-///
-/// **Receiver substitution rule.** The algebra's first type
-/// parameter is the "receiver" — it represents "the inhabitant of
-/// this algebra." When the algebra field's Arrow has `(T, T) -> T`,
-/// the resolved signature substitutes `T → source_id` (the user's
-/// `lhs_type` declaration, e.g., `Int`), not `T → Word64` (the
-/// algebra instantiation's template argument). This keeps port
-/// types consistent with user-facing primitives. Non-receiver
-/// positions (`Bool` in the comparison arrows, `Ordering` in
-/// `compare`) stay as-is.
-///
-/// **Current coverage.** Works for scalar algebras whose receiver
-/// is the first type parameter used directly: `OrderedRing<T>`,
-/// `Ring<T>`, `Semiring<T>`, `Field<T>`, `Lattice<T>`,
-/// `BooleanAlgebra<T>`. This is sufficient for `Int`, `Float`, and
-/// any user type that aliases an `OrderedRing`/`Ring`/`Field`
-/// instantiation.
-///
-/// **Not yet covered** (tracked in DOWNSTREAM_REQUIREMENTS.md as
-/// class-5 gaps):
-/// - `Bool`: ~~no structural link~~ now uses `Declaration.inhabits` on
-///   the kernel `Bool` sum in `dsl/std/types.dag`, populated when lowering
-///   the sum (`crate::lower::wire_kernel_bool_boolean_algebra_inhabits`) so v2
-///   keeps a plain `type Bool = True | False` surface. The walk follows
-///   `Declaration.inhabits` when the connective chain hits a `Disj`
-///   without an inline algebra.
-/// - `String` / collection-level algebras whose receiver is
-///   `FreeMonoid<T>` / `Set<T>` / `Map<K, V>` (the whole
-///   instantiation, not just `T`): needs a refinement to the
-///   substitution rule.
-///
-/// For those cases the resolver falls back to a Rust-side bridge
-/// with a `(T, T) -> T` / `(T, T) -> Bool` signature. The fallback
-/// is explicit about being a scaffold (see OperatorKind's
-/// dissolution receipt).
-///
-/// **Dedup invariant:** anonymous `Result<…, DivError>` instantiations
-/// must reuse `find_equivalent_anonymous_instantiation` on every pass;
-/// a missed structural match would mint fresh `DeclarationId`s each
-/// iteration and the fixpoint loop would not terminate.
-fn div_total_result_output_shape(dag: &mut Dag, base_lhs: TypeShape) -> Option<TypeShape> {
-    let result_template = canonical_result_decl(dag)?.id;
-    let div_error = canonical_div_error_decl(dag)?.id;
-    let (t_ok, t_err, span) = {
-        let rdecl = dag.declaration(result_template);
-        (
-            rdecl.type_params.first().copied()?,
-            rdecl.type_params.get(1).copied()?,
-            rdecl.span.clone(),
-        )
-    };
-    let args = vec![
-        TemplateArgument {
-            parameter: t_ok,
-            value: base_lhs.declaration,
-        },
-        TemplateArgument {
-            parameter: t_err,
-            value: div_error,
-        },
-    ];
-    if let Some(existing) =
-        find_equivalent_anonymous_instantiation(dag, result_template, &args, None)
-    {
-        return Some(TypeShape::new(existing));
-    }
-    let id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id,
-        name: None,
-        connective: TypeConnective::Instantiation {
-            template: result_template,
-            arguments: args,
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span,
-    });
-    Some(TypeShape::new(id))
-}
-
-fn resolve_operator_arrow(
-    dag: &mut Dag,
-    op_kind: OperatorKind,
-    lhs_type: &TypeShape,
-) -> Option<ResolvedArrow> {
-    // DB-11 (3a.3) operand normalization. Primitive operators (`+`,
-    // `>`, `!=`, etc.) are structurally over BASE types — refinements
-    // are surface-level facts about values, not part of the operator's
-    // arrow contract. Mirroring a refined lhs like `Int where d != 0`
-    // onto both operand positions (as the old fallback did) made the
-    // call-site refinement-discharge pass treat the refinement as a
-    // real requirement on every operand — so a literal `10` in
-    // `d > 10` failed discharge because literals carry no refinement.
-    // Strip refinements once up front; algebra-Conj walks and the
-    // primitive fallback both operate on the base.
-    let source_id = strip_refinement_to_base(dag, lhs_type.declaration);
-    let base_lhs = TypeShape::new(source_id);
-    // Walk the source type's declaration chain to find the algebra
-    // Conj. We follow Instantiation/ResolvedIdentifier edges; at
-    // each step the template argument bindings are intentionally
-    // discarded — see the receiver substitution rule in the doc
-    // comment.
-    let mut current = source_id;
-    let mut saw_algebra_conj = false;
-    for _ in 0..WALK_DEPTH_LIMIT {
-        let decl = dag.declaration(current).clone();
-        match &decl.connective {
-            TypeConnective::Conj { children } => {
-                saw_algebra_conj = true;
-                // Found the algebra. Look up the operator's field by
-                // name.
-                let field_name = crate::operators::algebra_field_name(op_kind);
-                if let Some(field) = children.iter().find(|f| f.label == field_name) {
-                    return read_algebra_field(dag, &decl, field.ty, source_id, op_kind, &base_lhs);
-                }
-                // Algebra doesn't declare this operator's field —
-                // fall back to the Rust-side scaffold bridge below.
-                break;
-            }
-            TypeConnective::Instantiation { template, .. } => {
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            // Terminal connectives: try `Declaration.inhabits` (e.g. Bool
-            // → BooleanAlgebra<Bool>) before giving up.
-            TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            | TypeConnective::Atom(AtomPayload::TypeParam(_))
-            | TypeConnective::Atom(AtomPayload::Literal(_))
-            | TypeConnective::Disj { .. }
-            | TypeConnective::Arrow { .. }
-            | TypeConnective::Cardinality(_) => {
-                if let Some(inh) = decl.inhabits {
-                    current = inh;
-                } else {
-                    break;
-                }
-            }
-        }
-    }
-    // Fallback: Rust-side scaffold bridge for primitives whose
-    // structural walk doesn't terminate at an algebra Conj (Bool,
-    // Classical; collection-level algebras). Documented class-5 gap.
-    //
-    // Logical operators are Bool-monomorphic: both operands and the
-    // output are always Bool, independent of `lhs_type`. An Int lhs
-    // on `&&` / `||` must surface a type mismatch, not propagate
-    // through the operand slots the way Arithmetic / Comparison do.
-    //
-    // Fail-closed for LHS that the walk never reached any Conj for:
-    // every loop exit saw a terminal connective with no `inhabits`,
-    // an Arrow / Disj / Cardinality with no `inhabits`, or depth
-    // exhaustion. The pre-fix fallback fabricated `(T,T)->T` /
-    // `(T,T)->Bool` / `(Bool,Bool)->Bool` / `(T,T)->Result<T,DivError>`
-    // for any such LHS — inventing an arrow contract for a type that
-    // declares none. Refuse synthesis here so the caller surfaces a
-    // typed unsupported-operator diagnostic. The Conj-reached-but-
-    // missing-field path (`saw_algebra_conj == true`) keeps its
-    // existing scaffold; tightening that further (distinguishing
-    // algebra carriers from arbitrary product structs) requires a
-    // structural signal beyond "is a Conj" — see PR #1329 STOP+PING.
-    if !saw_algebra_conj {
-        return None;
-    }
-    let (inputs, output) = match op_kind {
-        // Division leaves the class-5 scaffold: total shape matches algebra `div`.
-        OperatorKind::Arithmetic(ArithmeticOp::Div) => (
-            vec![base_lhs, base_lhs],
-            div_total_result_output_shape(dag, base_lhs)?,
-        ),
-        OperatorKind::Arithmetic(_) => (vec![base_lhs, base_lhs], base_lhs),
-        OperatorKind::Comparison(_) => (vec![base_lhs, base_lhs], dag.bool_shape()?),
-        OperatorKind::Logical(_) => {
-            let bool_shape = dag.bool_shape()?;
-            (vec![bool_shape, bool_shape], bool_shape)
-        }
-    };
-    Some(ResolvedArrow {
-        inputs,
-        output,
-        body: ArrowBody::Pending,
-    })
-}
-
-/// DB-11 (3a.3) refinement-strip helper. Walks the
-/// `Atom(ResolvedIdentifier(...))` chain, skipping past any
-/// declaration that carries a `refinement` edge, until it reaches a
-/// declaration with no refinement. Used by `resolve_operator_arrow`
-/// to normalize primitive-operator inputs to their base types —
-/// refinements are surface-level facts about values, not part of an
-/// operator's arrow contract.
-///
-/// Also used by [`crate::emit::operator_carrier_realization`] so emit
-/// and infer share one refinement-stripping rule (no drift).
-///
-/// Terminates at the first un-refined declaration OR when the chain
-/// can no longer be followed (any non-ResolvedIdentifier connective).
-/// Depth-bounded by `WALK_DEPTH_LIMIT`.
-pub(crate) fn strip_refinement_to_base(dag: &Dag, decl_id: DeclarationId) -> DeclarationId {
-    let mut current = decl_id;
-    for _ in 0..WALK_DEPTH_LIMIT {
-        let decl = dag.declaration(current);
-        if decl.refinement.is_none() {
-            return current;
-        }
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            _ => return current,
-        }
-    }
-    current
-}
-
-/// Read an algebra field's Arrow signature and substitute the
-/// algebra's receiver type parameter to the source declaration.
-///
-/// The algebra field `field_ty` points at an Arrow declaration
-/// emitted by `type_to_declaration_id` when lowering the algebra's
-/// record type (e.g., `OrderedRing<T>`'s `add: fn(T, T) -> T`).
-/// The Arrow's input/output DeclarationIds reference the algebra's
-/// receiver type parameter directly. Substitution replaces those
-/// references with `source_id`; non-receiver positions walk to
-/// their named anchor via the same walk `walk_to_type_shape` does.
-fn read_algebra_field(
-    dag: &mut Dag,
-    algebra_decl: &crate::dag::Declaration,
-    field_ty: DeclarationId,
-    source_id: DeclarationId,
-    op_kind: OperatorKind,
-    lhs_type: &TypeShape,
-) -> Option<ResolvedArrow> {
-    // The algebra's first type parameter is the receiver. For
-    // `OrderedRing<T>` this is T's DeclarationId.
-    let receiver_param = algebra_decl.type_params.first().copied();
-    // Unwrap the field's connective to the underlying Arrow. The
-    // field declaration was emitted by `type_to_declaration_id`'s
-    // Arrow arm as `TypeConnective::Arrow { inputs, output, body }`.
-    let field_decl = dag.declaration(field_ty);
-    let (arrow_inputs, arrow_output, arrow_body) = match &field_decl.connective {
-        TypeConnective::Arrow {
-            inputs,
-            output,
-            body,
-        } => (inputs.clone(), *output, body.clone()),
-        // Algebra field that isn't an Arrow (e.g., the `zero: T`
-        // constant). Not a callable operator — fall back.
-        _ => return None,
-    };
-    // Translate each input / output DeclarationId through the
-    // receiver-substitution rule.
-    let input_shapes: Vec<TypeShape> = arrow_inputs
-        .iter()
-        .map(|id| substitute_receiver(dag, *id, receiver_param, source_id).map(TypeShape::new))
-        .collect::<Option<_>>()?;
-    let output_shape =
-        substitute_receiver(dag, arrow_output, receiver_param, source_id).map(TypeShape::new)?;
-    // Sanity check: the arity is always 2 for binary operators.
-    // If algebra.dag ever declares a field under one of our
-    // operator names with a different arity, the check downstream
-    // in `decide_transform` catches the mismatch as a
-    // `Diagnostic::ArityMismatch`, but we also want to preserve
-    // `lhs_type` in the signature as a debug fallback if the walk
-    // succeeds but the shape is unexpectedly wrong.
-    let _ = lhs_type;
-    let _ = op_kind;
-    Some(ResolvedArrow {
-        inputs: input_shapes,
-        output: output_shape,
-        body: arrow_body,
-    })
-}
-
-/// Substitute a declaration id through the receiver-substitution
-/// rule: if the id matches the algebra's receiver type parameter,
-/// return the source type; otherwise walk to the nearest named
-/// declaration (same model as `walk_to_type_shape` but with the
-/// receiver case short-circuited).
-fn substitute_receiver(
-    dag: &mut Dag,
-    current: DeclarationId,
-    receiver_param: Option<DeclarationId>,
-    source_id: DeclarationId,
-) -> Option<DeclarationId> {
-    if Some(current) == receiver_param {
-        return Some(source_id);
-    }
-    let decl = dag.declaration(current).clone();
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            substitute_receiver(dag, *next, receiver_param, source_id)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let mut new_args: Vec<TemplateArgument> = Vec::with_capacity(arguments.len());
-            let mut any_change = false;
-            for arg in arguments {
-                let new_val = substitute_receiver(dag, arg.value, receiver_param, source_id)?;
-                if new_val != arg.value {
-                    any_change = true;
-                }
-                new_args.push(TemplateArgument {
-                    parameter: arg.parameter,
-                    value: new_val,
-                });
-            }
-            if !any_change {
-                return Some(current);
-            }
-            // Same dedup contract as `div_total_result_output_shape`: false negatives
-            // here allocate unbounded anonymous instantiations across fixpoint iterations.
-            if let Some(existing) = find_equivalent_anonymous_instantiation(
-                dag,
-                *template,
-                &new_args,
-                decl.nominal_opacity.as_ref(),
-            ) {
-                return Some(existing);
-            }
-            let id = dag.alloc_declaration_id();
-            let span = decl.span.clone();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template: *template,
-                    arguments: new_args,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: decl.nominal_opacity.clone(),
-                span,
-            });
-            Some(id)
-        }
-        TypeConnective::Atom(AtomPayload::TypeParam(_))
-        | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_)) => None,
-        _ => {
-            if decl.name.is_some() {
-                Some(current)
-            } else {
-                None
-            }
-        }
-    }
-}
-
-fn canonical_result_decl(dag: &Dag) -> Option<&Declaration> {
-    dag.declarations()
-        .iter()
-        .find(|decl| substrate_result_type_decl_suppressed_for_emit(dag, decl))
-}
-
-fn canonical_div_error_decl(dag: &Dag) -> Option<&Declaration> {
-    dag.declarations()
-        .iter()
-        .find(|decl| substrate_div_error_type_decl_suppressed_for_emit(dag, decl))
-}
-
-/// Dispatch-time invariant check on an `ExternalRealization` target:
-/// the linked declaration must be a `Conj` with a non-`None`
-/// `meta_tag` edge. The meta_tag IS the realization marker — no
-/// further name/id comparison is required.
-///
-/// **Round-10 correction.** Earlier revisions compared `meta_tag`
-/// against a cached `Dag::realization_meta_id()` pointing at a
-/// `Realization` declaration. Production bootstrap doesn't load a
-/// `Realization` declaration (realization facts live in
-/// `dsl/extdeps/languages/*` per the thesis, not in the std/ set
-/// the M1(2.7) bootstrap consumes), so the cache was always `None`
-/// and the check always failed. The shape check is now purely
-/// structural: "Conj with a meta_tag" is the realization marker.
-/// The structural shape is what `bootstrap::assert_realization_shape`
-/// and the `#[cfg(test)]` realization smoke test already validate
-/// at construction time. Any drift is caught at both construction
-/// and dispatch.
-fn is_realization_shape(dag: &Dag, realization_id: DeclarationId) -> bool {
-    let decl = dag.declaration(realization_id);
-    if !matches!(decl.connective, TypeConnective::Conj { .. }) {
-        return false;
-    }
-    decl.meta_tag.is_some()
-}
-
-/// Substrate walk: given a DeclarationId, descend through
-/// `Instantiation` (pushing subst frames), `Atom(Identifier { resolved
-/// })` (following the link), and `Atom(TypeParam)` (looking up the
-/// subst stack) until an `Arrow` is reached. At the Arrow, substitute
-/// each input and output DeclarationId through the subst stack and
-/// bridge to `TypeShape` via `walk_to_type_shape`.
-fn resolve_arrow_walk(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &mut SubstStack,
-    depth: usize,
-) -> Option<ResolvedArrow> {
-    if depth >= WALK_DEPTH_LIMIT {
-        return None;
-    }
-    let decl = dag.declaration(current);
-    match &decl.connective {
-        TypeConnective::Arrow {
-            inputs,
-            output,
-            body,
-        } => {
-            let mut input_shapes: Vec<TypeShape> = Vec::new();
-            for id in inputs {
-                if subst.lookup(*id).is_some() && declaration_is_callable(dag, *id, depth + 1) {
-                    continue;
-                }
-                input_shapes.push(signature_type_shape(dag, *id, subst, depth + 1)?);
-            }
-            let output_shape = signature_type_shape(dag, *output, subst, depth + 1)?;
-            Some(ResolvedArrow {
-                inputs: input_shapes,
-                output: output_shape,
-                body: body.clone(),
-            })
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            subst.push(arguments.clone());
-            let result = resolve_arrow_walk(dag, *template, subst, depth + 1);
-            subst.pop();
-            result
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            resolve_arrow_walk(dag, *next, subst, depth + 1)
-        }
-        // Terminal non-Arrow cases. Each is unreachable in well-formed
-        // user code; enumerated explicitly (rather than `_ => None`) so
-        // that any future `TypeConnective` or `AtomPayload` variant
-        // forces consideration here instead of silently falling through.
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_)) => None,
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => None,
-        TypeConnective::Atom(AtomPayload::Literal(_)) => None,
-        TypeConnective::Conj { .. } => None,
-        TypeConnective::Disj { .. } => None,
-        TypeConnective::Cardinality(_) => None,
-    }
-}
-
-/// Walk a type declaration down to a port-level `TypeShape`.
-///
-/// `TypeShape` is a newtype around `DeclarationId` — port types ARE
-/// declaration identities. The walk descends through anonymous
-/// declarations until it finds a stable type identity:
-///
-/// - named top-level declarations keep their own `DeclarationId`
-/// - anonymous instantiations keep THEIR instantiation id so
-///   `List<Int>` and bare `List` do not collapse to the same shape
-/// - type params resolve through the substitution stack when bound
-///
-/// There is no name-keyed bridge back to a coarse primitive tag — the
-/// declaration graph IS the type identity.
-fn walk_to_type_shape(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &SubstStack,
-    depth: usize,
-) -> Option<TypeShape> {
-    if depth >= WALK_DEPTH_LIMIT {
-        return None;
-    }
-    let decl = dag.declaration(current);
-    // Named top-level declaration: this is the port's type identity.
-    if decl.name.is_some() {
-        return Some(TypeShape::new(current));
-    }
-    // Anonymous declaration: follow the chain through the substrate.
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            if let Some(bound) = subst.lookup(current) {
-                walk_to_type_shape(dag, bound, subst, depth + 1)
-            } else {
-                Some(TypeShape::new(current))
-            }
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            walk_to_type_shape(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation { .. } => {
-            resolve_decl_with_subst(dag, current, subst, depth + 1)
-                .map(TypeShape::new)
-                .or_else(|| Some(TypeShape::new(current)))
-        }
-        // Terminal non-follow cases. An anonymous `UnresolvedIdentifier`
-        // means the sweep did not resolve the reference — the phantom
-        // diagnostic is already attached, and this walk fails so the
-        // caller can surface it. Anonymous optionals still need port
-        // identities today because reflected substrate fields such as
-        // `DagPort.produced_by: NodeId?` are legal field-project outputs.
-        // The broader anonymous structural cases stay fail-closed until
-        // port-type extension work admits them deliberately.
-        // Enumerated explicitly (rather than `_ => None`) so any
-        // future variant forces consideration here.
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_)) => None,
-        TypeConnective::Atom(AtomPayload::Literal(_)) => None,
-        TypeConnective::Conj { .. } => None,
-        TypeConnective::Disj { .. } => None,
-        TypeConnective::Arrow { .. } => None,
-        TypeConnective::Cardinality(_) => Some(TypeShape::new(current)),
-    }
-}
-
-fn signature_type_shape(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &SubstStack,
-    depth: usize,
-) -> Option<TypeShape> {
-    if depth >= WALK_DEPTH_LIMIT {
-        return None;
-    }
-    let decl = dag.declaration(current);
-    if decl.name.is_some() {
-        return Some(TypeShape::new(current));
-    }
-    // DB-16 (3a.3 closure): read-only lookup gate. When the refinement
-    // base requires substitution, check whether
-    // `materialize_callable_signature_instantiations` has already
-    // produced a substituted-refined carrier for this
-    // (template_refined, subst) combination. If so, return that
-    // carrier. Construction lives at the phase; this gate reads.
-    if decl.refinement.is_some() && refinement_base_requires_substitution(dag, current, subst) {
-        if let Some(materialized) = find_equivalent_substituted_refined_decl(dag, current, subst) {
-            return Some(TypeShape::new(materialized));
-        }
-        // Lookup miss: the phase didn't materialize for this
-        // combination (TypeParam unbound at phase time, or call-site
-        // outside the phase walk). Fall through to the DB-11
-        // identity-terminator; downstream `is_retryable_generic_decl`
-        // classifies as retry.
-    }
-    // DB-11 (3a.3): refinement-bearing declarations are identity
-    // terminators for signature walks. Without this, a refined param
-    // type `Int where d != 0` (connective: ResolvedIdentifier(Int),
-    // refinement: Some(pred)) would be walked to its base `Int`, and
-    // the call-site refinement-discharge check in `decide_transform`
-    // would never see the predicate edge on the callee side.
-    if decl.refinement.is_some() {
-        return Some(TypeShape::new(current));
-    }
-    match &decl.connective {
-        TypeConnective::Instantiation { .. } => {
-            resolve_decl_with_subst(dag, current, subst, depth + 1)
-                .map(TypeShape::new)
-                .or_else(|| Some(TypeShape::new(current)))
-        }
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            if let Some(bound) = subst.lookup(current) {
-                signature_type_shape(dag, bound, subst, depth + 1)
-            } else {
-                Some(TypeShape::new(current))
-            }
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            signature_type_shape(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_)) => None,
-        TypeConnective::Atom(AtomPayload::Literal(_)) => None,
-        TypeConnective::Conj { .. } => None,
-        TypeConnective::Disj { .. } => None,
-        TypeConnective::Arrow { .. } => None,
-        // Cardinality-typed signatures (e.g., `fn port(d, id) -> DagPort?`)
-        // keep the anonymous Cardinality declaration id as the port's type
-        // identity. Mirrors `walk_to_type_shape`'s Cardinality case —
-        // optional returns are legal throughout the substrate.
-        TypeConnective::Cardinality(_) => Some(TypeShape::new(current)),
-    }
-}
-
-fn resolve_decl_with_subst(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &SubstStack,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= WALK_DEPTH_LIMIT {
-        return None;
-    }
-    let decl = dag.declaration(current);
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => subst
-            .lookup(current)
-            .and_then(|bound| resolve_decl_with_subst(dag, bound, subst, depth + 1))
-            .or(Some(current)),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            resolve_decl_with_subst(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let specialized_arguments: Vec<TemplateArgument> = arguments
-                .iter()
-                .map(|arg| {
-                    Some(TemplateArgument {
-                        parameter: arg.parameter,
-                        value: resolve_decl_with_subst(dag, arg.value, subst, depth + 1)?,
-                    })
-                })
-                .collect::<Option<_>>()?;
-            if specialized_arguments
-                .iter()
-                .zip(arguments.iter())
-                .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value)
-            {
-                return Some(current);
-            }
-            find_equivalent_decl_instantiation(dag, *template, &specialized_arguments)
-                .or(Some(current))
-        }
-        TypeConnective::Cardinality(p) => {
-            let element = p.element();
-            let bound = p.bound();
-            let specialized_element = resolve_decl_with_subst(dag, element, subst, depth + 1)?;
-            if bound == crate::dag::CardinalityBound::AtMostOne {
-                if let Some(idem) =
-                    crate::dag::cardinality_idempotent_target(dag, specialized_element, bound)
-                {
-                    return Some(idem);
-                }
-            }
-            if specialized_element == element {
-                return Some(current);
-            }
-            find_equivalent_decl_cardinality(dag, specialized_element, &bound).or(Some(current))
-        }
-        _ => Some(current),
-    }
-}
-
-fn find_equivalent_decl_instantiation(
-    dag: &Dag,
-    template: DeclarationId,
-    arguments: &[TemplateArgument],
-) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        let TypeConnective::Instantiation {
-            template: existing_template,
-            arguments: existing_arguments,
-        } = &decl.connective
-        else {
-            return None;
-        };
-        (template == *existing_template
-            && existing_arguments.len() == arguments.len()
-            && existing_arguments
-                .iter()
-                .zip(arguments.iter())
-                .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value))
-        .then_some(decl.id)
-    })
-}
-
-fn find_equivalent_decl_cardinality(
-    dag: &Dag,
-    element: DeclarationId,
-    bound: &crate::dag::CardinalityBound,
-) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        let TypeConnective::Cardinality(existing) = &decl.connective else {
-            return None;
-        };
-        (element == existing.element() && existing.bound() == *bound).then_some(decl.id)
-    })
-}
-
-/// Best-effort human-readable name for a Transform.target DeclarationId,
-/// used in diagnostics. Walks through resolved Identifier atoms to find
-/// something nameable.
-fn target_display_name(dag: &Dag, target: DeclarationId) -> String {
-    let decl = dag.declaration(target);
-    if let Some(name) = &decl.name {
-        return name.clone();
-    }
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name)) => name.clone(),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            target_display_name(dag, *next)
-        }
-        _ => format!("declaration#{}", target.raw()),
-    }
-}
-
-/// Best-effort human-readable name for a `TransformTarget`. Dispatches
-/// on the variant: `Callable` goes through `target_display_name`,
-/// `Operator` renders the source symbol directly.
-fn transform_target_display_name(dag: &Dag, target: &TransformTarget) -> String {
-    match target {
-        TransformTarget::Callable(id) => target_display_name(dag, *id),
-        TransformTarget::UnresolvedFieldProject { field_label } => format!(".{field_label}"),
-        TransformTarget::ResolvedFieldProject { field_label } => format!(".{field_label}"),
-        TransformTarget::Operator(op_kind) => crate::operators::symbol(*op_kind),
-    }
-}
-
-fn node_span_for_port(dag: &Dag, port: PortId) -> Option<SourceSpan> {
-    dag.port(port)
-        .produced_by
-        .map(|node_id| dag.node(node_id).span().clone())
-}
-
-fn synthetic_span() -> SourceSpan {
-    SourceSpan::new("<inferred>", 0, 0)
-}
-
-pub(crate) fn type_shapes_equivalent(dag: &Dag, lhs: &TypeShape, rhs: &TypeShape) -> bool {
-    if lhs == rhs {
-        return true;
-    }
-    declaration_shapes_equivalent(dag, lhs.declaration, rhs.declaration, 0)
-}
-
-fn declaration_shapes_equivalent(
-    dag: &Dag,
-    lhs: DeclarationId,
-    rhs: DeclarationId,
-    depth: usize,
-) -> bool {
-    if lhs == rhs {
-        return true;
-    }
-    if depth >= WALK_DEPTH_LIMIT {
-        return false;
-    }
-    let lhs_decl = dag.declaration(lhs);
-    let rhs_decl = dag.declaration(rhs);
-    match (&lhs_decl.connective, &rhs_decl.connective) {
-        (
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)),
-            _,
-        ) => declaration_shapes_equivalent(dag, *next, rhs, depth + 1),
-        (
-            _,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)),
-        ) => declaration_shapes_equivalent(dag, lhs, *next, depth + 1),
-        (
-            TypeConnective::Instantiation {
-                template: lhs_template,
-                arguments: lhs_arguments,
-            },
-            TypeConnective::Instantiation {
-                template: rhs_template,
-                arguments: rhs_arguments,
-            },
-        ) => {
-            declaration_shapes_equivalent(dag, *lhs_template, *rhs_template, depth + 1)
-                && phantom_arguments_equivalent_for_shape(
-                    dag,
-                    *lhs_template,
-                    lhs_arguments,
-                    *rhs_template,
-                    rhs_arguments,
-                )
-                && lhs_arguments.len() == rhs_arguments.len()
-                && lhs_arguments
-                    .iter()
-                    .zip(rhs_arguments.iter())
-                    .all(|(lhs_arg, rhs_arg)| {
-                        declaration_shapes_equivalent(dag, lhs_arg.value, rhs_arg.value, depth + 1)
-                    })
-        }
-        (TypeConnective::Cardinality(lhs_p), TypeConnective::Cardinality(rhs_p)) => {
-            lhs_p.bound() == rhs_p.bound()
-                && declaration_shapes_equivalent(dag, lhs_p.element(), rhs_p.element(), depth + 1)
-        }
-        (
-            TypeConnective::Conj {
-                children: lhs_children,
-            },
-            TypeConnective::Conj {
-                children: rhs_children,
-            },
-        ) => {
-            lhs_children.len() == rhs_children.len()
-                && lhs_children
-                    .iter()
-                    .zip(rhs_children.iter())
-                    .all(|(lhs_child, rhs_child)| {
-                        lhs_child.label == rhs_child.label
-                            && declaration_shapes_equivalent(
-                                dag,
-                                lhs_child.ty,
-                                rhs_child.ty,
-                                depth + 1,
-                            )
-                    })
-        }
-        (
-            TypeConnective::Disj {
-                variants: lhs_variants,
-            },
-            TypeConnective::Disj {
-                variants: rhs_variants,
-            },
-        ) => {
-            lhs_variants.len() == rhs_variants.len()
-                && lhs_variants
-                    .iter()
-                    .zip(rhs_variants.iter())
-                    .all(|(lhs_variant, rhs_variant)| {
-                        lhs_variant.label == rhs_variant.label
-                            && declaration_shapes_equivalent(
-                                dag,
-                                lhs_variant.ty,
-                                rhs_variant.ty,
-                                depth + 1,
-                            )
-                    })
-        }
-        _ => false,
-    }
-}
-
-fn phantom_arguments_equivalent_for_shape(
-    dag: &Dag,
-    lhs_template: DeclarationId,
-    lhs_arguments: &[TemplateArgument],
-    rhs_template: DeclarationId,
-    rhs_arguments: &[TemplateArgument],
-) -> bool {
-    phantom_arguments_preserved_from_template(
-        dag,
-        lhs_template,
-        lhs_arguments,
-        rhs_template,
-        rhs_arguments,
-    ) && phantom_arguments_preserved_from_template(
-        dag,
-        rhs_template,
-        rhs_arguments,
-        lhs_template,
-        lhs_arguments,
-    )
-}
-
-fn phantom_arguments_preserved_from_template(
-    dag: &Dag,
-    source_template: DeclarationId,
-    source_arguments: &[TemplateArgument],
-    target_template: DeclarationId,
-    target_arguments: &[TemplateArgument],
-) -> bool {
-    let source_decl = dag.declaration(source_template);
-    for phantom in &source_decl.phantom_params {
-        if require_abelian_group_phantom_algebra(
-            dag,
-            phantom.algebra,
-            phantom.parameter,
-            &synthetic_span(),
-        )
-        .is_err()
-        {
-            return false;
-        }
-        let Some(target_phantom) =
-            mapped_phantom_parameter(dag, source_template, phantom, target_template)
-        else {
-            return false;
-        };
-        if require_abelian_group_phantom_algebra(
-            dag,
-            target_phantom.algebra,
-            target_phantom.parameter,
-            &synthetic_span(),
-        )
-        .is_err()
-        {
-            return false;
-        }
-        if !phantom_algebras_equivalent(dag, phantom.algebra, target_phantom.algebra) {
-            return false;
-        }
-        let Some(source_arg) = source_arguments
-            .iter()
-            .find(|arg| arg.parameter == phantom.parameter)
-        else {
-            return false;
-        };
-        let Some(target_arg) = target_arguments
-            .iter()
-            .find(|arg| arg.parameter == target_phantom.parameter)
-        else {
-            return false;
-        };
-        if source_arg.value != target_arg.value {
-            return false;
-        }
-    }
-    true
-}
-
-#[cfg(test)]
-mod bool_logical_operator_arrow_tests {
-    use super::*;
-    use crate::dag::PhantomParameter;
-    use crate::infer_helpers::filter_non_self_template_arguments;
-    use crate::operators::{ArithmeticOp, ComparisonOp};
-
-    #[test]
-    fn nominal_opaque_field_project_fails_closed_before_structural_descent() {
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("<nominal-opacity-test>", 0, 1);
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-
-        let payload = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: payload,
-            name: Some("OpaquePayload".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let opaque = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: opaque,
-            name: Some("OpaqueWrapper".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(payload)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: Some(NominalOpacity {
-                permitted_accessors: Vec::new(),
-            }),
-            span: span.clone(),
-        });
-
-        let input = dag.alloc_port_with_shape(TypeShape::new(opaque));
-        let output = dag.push_transform(
-            TransformTarget::UnresolvedFieldProject {
-                field_label: "value".to_string(),
-            },
-            vec![input],
-            span,
-        );
-
-        infer(&mut dag);
-
-        assert!(matches!(
-            dag.diagnostics().get(output),
-            Some(Diagnostic::NominalOpacityViolation {
-                declaration,
-                accessor: None,
-                ..
-            }) if *declaration == opaque
-        ));
-        assert!(
-            matches!(dag.port(output).state(), PortState::Unresolved),
-            "opacity violation must leave the projected output unresolved"
-        );
-    }
-
-    #[test]
-    fn nominal_opaque_field_project_preserves_instantiation_substitution() {
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("<nominal-opacity-subst-test>", 0, 1);
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-
-        let payload = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: payload,
-            name: Some("SecretPayloadForSubst".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let secret = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: secret,
-            name: Some("SecretForSubst".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(payload)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: Some(NominalOpacity {
-                permitted_accessors: Vec::new(),
-            }),
-            span: span.clone(),
-        });
-        let box_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: box_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let box_alias = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: box_alias,
-            name: Some("BoxAlias".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(box_param)),
-            type_params: vec![box_param],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let boxed_secret = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: boxed_secret,
-            name: Some("BoxedSecret".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: box_alias,
-                arguments: vec![TemplateArgument {
-                    parameter: box_param,
-                    value: secret,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let input = dag.alloc_port_with_shape(TypeShape::new(boxed_secret));
-        let output = dag.push_transform(
-            TransformTarget::UnresolvedFieldProject {
-                field_label: "value".to_string(),
-            },
-            vec![input],
-            span,
-        );
-
-        infer(&mut dag);
-
-        assert!(matches!(
-            dag.diagnostics().get(output),
-            Some(Diagnostic::NominalOpacityViolation {
-                declaration,
-                accessor: None,
-                ..
-            }) if *declaration == secret
-        ));
-    }
-
-    #[test]
-    fn field_project_without_nominal_opacity_remains_structural() {
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("<nominal-opacity-absent-test>", 0, 1);
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-
-        let record = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: record,
-            name: Some("PlainPayload".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let input = dag.alloc_port_with_shape(TypeShape::new(record));
-        let output = dag.push_transform(
-            TransformTarget::UnresolvedFieldProject {
-                field_label: "value".to_string(),
-            },
-            vec![input],
-            span,
-        );
-
-        infer(&mut dag);
-
-        assert!(
-            dag.diagnostics().get(output).is_none(),
-            "plain structural projection should not emit opacity diagnostics"
-        );
-        assert!(matches!(
-            dag.port(output).state(),
-            PortState::Resolved(shape) if shape.declaration == int
-        ));
-    }
-
-    #[test]
-    fn bootstrapped_secret_is_marked_nominal_opaque() {
-        let dag = Dag::new();
-        let secret = dag
-            .declaration_by_name("Secret")
-            .expect("bootstrap Secret declaration");
-        assert!(
-            secret.nominal_opacity.is_some(),
-            "Secret must consume the nominal-opacity carrier before Modeling dispatch"
-        );
-    }
-
-    #[test]
-    fn arithmetic_on_non_algebra_lhs_fails_closed_instead_of_synthesizing_arrow() {
-        // Director audit (post-merge finding): pre-fix, when the
-        // structural walk in `resolve_operator_arrow` did not encounter
-        // any algebra Conj on the LHS (e.g. an Arrow / Disj / Atom with
-        // no `inhabits` link), the fallback fabricated `(T,T)->T` for
-        // arithmetic and `(T,T)->Bool` for comparison. That invented
-        // an operator-rule arrow contract for a type that declares
-        // none. With the fail-closed check in place, the resolver
-        // returns None so the call site emits a typed
-        // unsupported-operator diagnostic.
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("<non-algebra-lhs-test>", 0, 1);
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-
-        // A non-algebra LHS: an anonymous Arrow declaration. No
-        // `inhabits`, no Conj on the walk path.
-        let arrow_decl = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: arrow_decl,
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![int],
-                output: int,
-                body: ArrowBody::NoBody,
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let lhs = TypeShape::new(arrow_decl);
-
-        assert!(
-            resolve_operator_arrow(&mut dag, OperatorKind::Arithmetic(ArithmeticOp::Add), &lhs,)
-                .is_none(),
-            "`+` on a non-algebra LHS must fail-closed: the pre-fix \
-             fallback fabricated `(Arrow,Arrow)->Arrow` instead of \
-             surfacing an unsupported-operator diagnostic"
-        );
-        assert!(
-            resolve_operator_arrow(&mut dag, OperatorKind::Comparison(ComparisonOp::Lt), &lhs,)
-                .is_none(),
-            "`<` on a non-algebra LHS must fail-closed: the pre-fix \
-             fallback fabricated `(Arrow,Arrow)->Bool` instead of \
-             surfacing an unsupported-operator diagnostic"
-        );
-        assert!(
-            resolve_operator_arrow(&mut dag, OperatorKind::Arithmetic(ArithmeticOp::Div), &lhs,)
-                .is_none(),
-            "`/` on a non-algebra LHS must fail-closed: the pre-fix \
-             Div fallback synthesized `(Arrow,Arrow)->Result<Arrow,DivError>`"
-        );
-        assert!(
-            resolve_operator_arrow(&mut dag, OperatorKind::Logical(LogicalOp::And), &lhs,)
-                .is_none(),
-            "`&&` on a non-algebra LHS must fail-closed: the pre-fix \
-             logical fallback produced `(Bool,Bool)->Bool` regardless \
-             of LHS, inventing a carrier the type does not declare"
-        );
-    }
-
-    #[test]
-    fn bool_logical_and_resolves_via_boolean_algebra_meet_not_pending_fallback() {
-        let mut dag = Dag::new();
-        let bool_shape = dag.bool_shape().expect("bootstrap Bool");
-        let sig =
-            resolve_operator_arrow(&mut dag, OperatorKind::Logical(LogicalOp::And), &bool_shape)
-                .expect("&& should resolve on Bool");
-        assert!(
-            !matches!(sig.body, ArrowBody::Pending),
-            "expected Bool && via inhabits → BooleanAlgebra.meet, not Pending scaffold; got {:?}",
-            sig.body
-        );
-        assert_eq!(sig.inputs.len(), 2);
-        assert_eq!(sig.inputs[0].declaration, bool_shape.declaration);
-        assert_eq!(sig.inputs[1].declaration, bool_shape.declaration);
-        assert_eq!(sig.output.declaration, bool_shape.declaration);
-    }
-
-    #[test]
-    fn bool_logical_or_resolves_via_boolean_algebra_join_not_pending_fallback() {
-        let mut dag = Dag::new();
-        let bool_shape = dag.bool_shape().expect("bootstrap Bool");
-        let sig =
-            resolve_operator_arrow(&mut dag, OperatorKind::Logical(LogicalOp::Or), &bool_shape)
-                .expect("|| should resolve on Bool");
-        assert!(
-            !matches!(sig.body, ArrowBody::Pending),
-            "expected Bool || via inhabits → BooleanAlgebra.join, not Pending scaffold; got {:?}",
-            sig.body
-        );
-        assert_eq!(sig.inputs.len(), 2);
-        assert_eq!(sig.inputs[0].declaration, bool_shape.declaration);
-        assert_eq!(sig.inputs[1].declaration, bool_shape.declaration);
-        assert_eq!(sig.output.declaration, bool_shape.declaration);
-    }
-
-    #[test]
-    fn arithmetic_operator_checks_abelian_phantom_unit_closure_before_type_mismatch() {
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("<money-unit-test>", 0, 1);
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-        let abelian_group = dag
-            .declaration_by_name("AbelianGroup")
-            .expect("bootstrap AbelianGroup")
-            .id;
-
-        let currency = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: currency,
-            name: Some("Currency".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: usd,
-            name: Some("USD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: currency,
-                arguments: vec![],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let eur = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: eur,
-            name: Some("EUR".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: currency,
-                arguments: vec![],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let currency_abelian_group = dag.alloc_declaration_id();
-        let abelian_receiver = dag
-            .declaration(abelian_group)
-            .type_params
-            .first()
-            .copied()
-            .expect("AbelianGroup receiver type parameter");
-        dag.push_declaration(Declaration {
-            id: currency_abelian_group,
-            name: Some("CurrencyAbelianGroup".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: abelian_group,
-                arguments: vec![TemplateArgument {
-                    parameter: abelian_receiver,
-                    value: currency,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let int_abelian_group = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: int_abelian_group,
-            name: Some("IntAbelianGroup".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: abelian_group,
-                arguments: vec![TemplateArgument {
-                    parameter: abelian_receiver,
-                    value: int,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let money = dag.alloc_declaration_id();
-        let c_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: money,
-            name: Some("Money".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "amount".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: vec![c_param],
-            phantom_params: vec![PhantomParameter {
-                parameter: c_param,
-                algebra: currency_abelian_group,
-            }],
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        dag.push_declaration(Declaration {
-            id: c_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("C".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let money_usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: money_usd,
-            name: Some("MoneyUSD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: money,
-                arguments: vec![TemplateArgument {
-                    parameter: c_param,
-                    value: usd,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let money_eur = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: money_eur,
-            name: Some("MoneyEUR".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: money,
-                arguments: vec![TemplateArgument {
-                    parameter: c_param,
-                    value: eur,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let money_c = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: money_c,
-            name: Some("MoneyC".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: money,
-                arguments: vec![TemplateArgument {
-                    parameter: c_param,
-                    value: c_param,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let alt_c_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: alt_c_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("AltC".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let alt_money = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: alt_money,
-            name: Some("AltMoney".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "amount".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: vec![alt_c_param],
-            phantom_params: vec![PhantomParameter {
-                parameter: alt_c_param,
-                algebra: currency_abelian_group,
-            }],
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let alt_money_usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: alt_money_usd,
-            name: Some("AltMoneyUSD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: alt_money,
-                arguments: vec![TemplateArgument {
-                    parameter: alt_c_param,
-                    value: usd,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let alt_money_eur = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: alt_money_eur,
-            name: Some("AltMoneyEUR".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: alt_money,
-                arguments: vec![TemplateArgument {
-                    parameter: alt_c_param,
-                    value: eur,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let other_algebra_money = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: other_algebra_money,
-            name: Some("OtherAlgebraMoney".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "amount".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: vec![alt_c_param],
-            phantom_params: vec![PhantomParameter {
-                parameter: alt_c_param,
-                algebra: int_abelian_group,
-            }],
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let other_algebra_money_usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: other_algebra_money_usd,
-            name: Some("OtherAlgebraMoneyUSD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: other_algebra_money,
-                arguments: vec![TemplateArgument {
-                    parameter: alt_c_param,
-                    value: usd,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let lhs = dag.alloc_port_with_shape(TypeShape::new(money_usd));
-        let rhs_same = dag.alloc_port_with_shape(TypeShape::new(money_usd));
-        let rhs_other = dag.alloc_port_with_shape(TypeShape::new(money_eur));
-        let cross_template_rhs_other = dag.alloc_port_with_shape(TypeShape::new(alt_money_eur));
-        let ok_output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, rhs_same],
-            span.clone(),
-        );
-        let bad_output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, rhs_other],
-            span.clone(),
-        );
-        let cross_template_bad_output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![lhs, cross_template_rhs_other],
-            span.clone(),
-        );
-        assert!(
-            type_shapes_equivalent(
-                &dag,
-                &TypeShape::new(money_usd),
-                &TypeShape::new(alt_money_usd)
-            ),
-            "structural equivalence should map phantom axes across equivalent templates"
-        );
-        assert!(
-            !type_shapes_equivalent(
-                &dag,
-                &TypeShape::new(money_usd),
-                &TypeShape::new(other_algebra_money_usd),
-            ),
-            "structural equivalence must compare mapped phantom algebra authority"
-        );
-        let money_missing_arg = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: money_missing_arg,
-            name: Some("MoneyMissingArg".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: money,
-                arguments: Vec::new(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let malformed_lhs = dag.alloc_port_with_shape(TypeShape::new(money_missing_arg));
-        let malformed_rhs = dag.alloc_port_with_shape(TypeShape::new(money_missing_arg));
-        let malformed_output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![malformed_lhs, malformed_rhs],
-            span.clone(),
-        );
-        let rogue_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: rogue_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Rogue".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let bad_money = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: bad_money,
-            name: Some("BadMoney".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "amount".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: vec![c_param],
-            phantom_params: vec![PhantomParameter {
-                parameter: rogue_param,
-                algebra: currency_abelian_group,
-            }],
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let bad_money_usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: bad_money_usd,
-            name: Some("BadMoneyUSD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: bad_money,
-                arguments: vec![TemplateArgument {
-                    parameter: rogue_param,
-                    value: usd,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span,
-        });
-        let invalid_lhs = dag.alloc_port_with_shape(TypeShape::new(bad_money_usd));
-        let invalid_rhs = dag.alloc_port_with_shape(TypeShape::new(bad_money_usd));
-        let invalid_output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![invalid_lhs, invalid_rhs],
-            SourceSpan::new("<money-unit-test>", 1, 2),
-        );
-        let unsupported_algebra = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: unsupported_algebra,
-            name: Some("CurrencyMonoid".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 2, 3),
-        });
-        let unsupported_money = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: unsupported_money,
-            name: Some("UnsupportedMoney".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "amount".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: vec![c_param],
-            phantom_params: vec![PhantomParameter {
-                parameter: c_param,
-                algebra: unsupported_algebra,
-            }],
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 2, 3),
-        });
-        let unsupported_money_usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: unsupported_money_usd,
-            name: Some("UnsupportedMoneyUSD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: unsupported_money,
-                arguments: vec![TemplateArgument {
-                    parameter: c_param,
-                    value: usd,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 2, 3),
-        });
-        let unsupported_lhs = dag.alloc_port_with_shape(TypeShape::new(unsupported_money_usd));
-        let unsupported_rhs = dag.alloc_port_with_shape(TypeShape::new(unsupported_money_usd));
-        let unsupported_output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![unsupported_lhs, unsupported_rhs],
-            SourceSpan::new("<money-unit-test>", 2, 3),
-        );
-        let fake_abelian_group = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: fake_abelian_group,
-            name: Some("AbelianGroup".to_string()),
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 3, 4),
-        });
-        let fake_algebra_money = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: fake_algebra_money,
-            name: Some("FakeAlgebraMoney".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "amount".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: vec![c_param],
-            phantom_params: vec![PhantomParameter {
-                parameter: c_param,
-                algebra: fake_abelian_group,
-            }],
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 3, 4),
-        });
-        let fake_algebra_money_usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: fake_algebra_money_usd,
-            name: Some("FakeAlgebraMoneyUSD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: fake_algebra_money,
-                arguments: vec![TemplateArgument {
-                    parameter: c_param,
-                    value: usd,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 3, 4),
-        });
-        let fake_lhs = dag.alloc_port_with_shape(TypeShape::new(fake_algebra_money_usd));
-        let fake_rhs = dag.alloc_port_with_shape(TypeShape::new(fake_algebra_money_usd));
-        let fake_output = dag.push_transform(
-            TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-            vec![fake_lhs, fake_rhs],
-            SourceSpan::new("<money-unit-test>", 3, 4),
-        );
-        let accept_eur = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: accept_eur,
-            name: Some("accept_eur".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![money_eur],
-                output: money_eur,
-                body: ArrowBody::NoBody,
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 3, 4),
-        });
-        let callable_lhs = dag.alloc_port_with_shape(TypeShape::new(money_usd));
-        let callable_output = dag.push_transform(
-            TransformTarget::Callable(accept_eur),
-            vec![callable_lhs],
-            SourceSpan::new("<money-unit-test>", 3, 4),
-        );
-        let generic_accept_money = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: generic_accept_money,
-            name: Some("accept_money".to_string()),
-            connective: TypeConnective::Arrow {
-                inputs: vec![money_c],
-                output: money_c,
-                body: ArrowBody::NoBody,
-            },
-            type_params: vec![c_param],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 4, 5),
-        });
-        let generic_callable_lhs = dag.alloc_port_with_shape(TypeShape::new(money_usd));
-        let generic_callable_output = dag.push_transform(
-            TransformTarget::Callable(generic_accept_money),
-            vec![generic_callable_lhs],
-            SourceSpan::new("<money-unit-test>", 4, 5),
-        );
-        let untracked_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: untracked_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("U".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 4, 5),
-        });
-        let untracked_money = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: untracked_money,
-            name: Some("UntrackedMoney".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "amount".to_string(),
-                    ty: int,
-                }],
-            },
-            type_params: vec![untracked_param],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 4, 5),
-        });
-        let untracked_money_usd = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: untracked_money_usd,
-            name: Some("UntrackedMoneyUSD".to_string()),
-            connective: TypeConnective::Instantiation {
-                template: untracked_money,
-                arguments: vec![TemplateArgument {
-                    parameter: untracked_param,
-                    value: usd,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: SourceSpan::new("<money-unit-test>", 4, 5),
-        });
-        let untracked_callable_lhs = dag.alloc_port_with_shape(TypeShape::new(untracked_money_usd));
-        let untracked_callable_output = dag.push_transform(
-            TransformTarget::Callable(accept_eur),
-            vec![untracked_callable_lhs],
-            SourceSpan::new("<money-unit-test>", 4, 5),
-        );
-        assert!(
-            !type_shapes_equivalent(
-                &dag,
-                &TypeShape::new(untracked_money_usd),
-                &TypeShape::new(money_eur),
-            ),
-            "structural equivalence must preserve phantom axes from both templates"
-        );
-
-        infer(&mut dag);
-
-        assert_eq!(
-            dag.port(ok_output).state(),
-            &PortState::Resolved(TypeShape::new(money_usd))
-        );
-        let bad_diag = dag
-            .diagnostics()
-            .get(bad_output)
-            .expect("mismatched phantom unit should fail on operator output");
-        assert!(
-            matches!(
-                bad_diag,
-                Diagnostic::UnitMismatch {
-                    parameter,
-                    expected,
-                    actual,
-                    ..
-                } if parameter == "C"
-                    && expected.declaration == usd
-                    && actual.declaration == eur
-            ),
-            "unexpected diagnostic: {bad_diag:?}"
-        );
-        let cross_template_bad_diag = dag
-            .diagnostics()
-            .get(cross_template_bad_output)
-            .expect("mapped phantom units should fail across structurally equivalent templates");
-        assert!(
-            matches!(
-                cross_template_bad_diag,
-                Diagnostic::UnitMismatch {
-                    parameter,
-                    expected,
-                    actual,
-                    ..
-                } if parameter == "C"
-                    && expected.declaration == usd
-                    && actual.declaration == eur
-            ),
-            "unexpected diagnostic: {cross_template_bad_diag:?}"
-        );
-        let malformed_diag = dag
-            .diagnostics()
-            .get(malformed_output)
-            .expect("missing phantom instantiation argument should fail closed");
-        assert!(
-            matches!(
-                malformed_diag,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("missing expected argument for phantom parameter C")
-            ),
-            "unexpected diagnostic: {malformed_diag:?}"
-        );
-        let invalid_diag = dag
-            .diagnostics()
-            .get(invalid_output)
-            .expect("phantom parameter outside type_params should fail closed");
-        assert!(
-            matches!(
-                invalid_diag,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("parameter is not in type_params")
-            ),
-            "unexpected diagnostic: {invalid_diag:?}"
-        );
-        let unsupported_diag = dag
-            .diagnostics()
-            .get(unsupported_output)
-            .expect("unsupported phantom algebra should fail closed");
-        assert!(
-            matches!(
-                unsupported_diag,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("unsupported phantom algebra CurrencyMonoid")
-            ),
-            "unexpected diagnostic: {unsupported_diag:?}"
-        );
-        let fake_diag = dag
-            .diagnostics()
-            .get(fake_output)
-            .expect("non-canonical declaration named AbelianGroup should fail closed");
-        assert!(
-            matches!(
-                fake_diag,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("unsupported phantom algebra AbelianGroup")
-            ),
-            "unexpected diagnostic: {fake_diag:?}"
-        );
-        let callable_diag = dag
-            .diagnostics()
-            .get(callable_output)
-            .expect("callable boundary should enforce phantom units");
-        assert!(
-            matches!(
-                callable_diag,
-                Diagnostic::UnitMismatch {
-                    operator,
-                    parameter,
-                    expected,
-                    actual,
-                    ..
-                } if operator == "accept_eur"
-                    && parameter == "C"
-                    && expected.declaration == eur
-                    && actual.declaration == usd
-            ),
-            "unexpected diagnostic: {callable_diag:?}"
-        );
-        assert!(
-            matches!(
-                dag.port(generic_callable_output).state(),
-                PortState::Resolved(_)
-            ),
-            "generic callable should not fail phantom unit checking before C can bind"
-        );
-        assert!(
-            !matches!(
-                dag.diagnostics().get(generic_callable_output),
-                Some(Diagnostic::UnitMismatch { .. })
-            ),
-            "generic callable must not emit UnitMismatch before C can bind"
-        );
-        let untracked_callable_diag = dag
-            .diagnostics()
-            .get(untracked_callable_output)
-            .expect("structural wrapper without phantom axis should not satisfy phantom wrapper");
-        assert!(
-            matches!(
-                untracked_callable_diag,
-                Diagnostic::TypeMismatch { .. } | Diagnostic::ResolveError { .. }
-            ),
-            "unexpected diagnostic: {untracked_callable_diag:?}"
-        );
-    }
-
-    #[test]
-    fn template_argument_reconciliation_helpers_match_and_update_consistently() {
-        let dag = Dag::new();
-        let p0 = dag.bool_shape().expect("bootstrap Bool").declaration;
-        let p1 = dag.int_shape().expect("bootstrap Int").declaration;
-        let v0 = dag.string_shape().expect("bootstrap String").declaration;
-        let v1 = dag.bool_shape().expect("bootstrap Bool").declaration;
-        let mut arguments = vec![
-            TemplateArgument {
-                parameter: p0,
-                value: p0,
-            },
-            TemplateArgument {
-                parameter: p1,
-                value: v1,
-            },
-        ];
-
-        assert!(push_template_argument_binding(&mut arguments, p0, v0));
-        assert!(matches!(
-            generated_template_arguments_match(
-                &arguments,
-                &[
-                    TemplateArgument {
-                        parameter: p0,
-                        value: v0,
-                    },
-                    TemplateArgument {
-                        parameter: p1,
-                        value: v1,
-                    },
-                ]
-            ),
-            TemplateArgumentsMatch::Match,
-        ));
-        assert!(!push_template_argument_binding(&mut arguments, p1, v0));
-    }
-
-    #[test]
-    fn template_arguments_match_generated_projection_agrees_across_length_and_value_cases() {
-        let dag = Dag::new();
-        let p0 = dag.bool_shape().expect("bootstrap Bool").declaration;
-        let p1 = dag.int_shape().expect("bootstrap Int").declaration;
-        let v0 = dag.string_shape().expect("bootstrap String").declaration;
-        let v1 = dag.bool_shape().expect("bootstrap Bool").declaration;
-        let pair = |parameter, value| TemplateArgument { parameter, value };
-        let is_match = |lhs: &[TemplateArgument], rhs: &[TemplateArgument]| -> bool {
-            matches!(
-                generated_template_arguments_match(lhs, rhs),
-                TemplateArgumentsMatch::Match,
-            )
-        };
-
-        let empty: Vec<TemplateArgument> = vec![];
-        assert!(is_match(&empty, &empty));
-        assert!(!is_match(&empty, &[pair(p0, v0)]));
-        assert!(!is_match(&[pair(p0, v0)], &empty));
-
-        let two = vec![pair(p0, v0), pair(p1, v1)];
-        assert!(is_match(&two, &two.clone()));
-        assert!(!is_match(&two, &[pair(p0, v0), pair(p1, v0)]));
-        assert!(!is_match(&two, &[pair(p0, v0), pair(p0, v1)]));
-    }
-
-    #[test]
-    fn filter_non_self_template_arguments_matches_handwritten_filter() {
-        let dag = Dag::new();
-        let p0 = dag.bool_shape().expect("bootstrap Bool").declaration;
-        let p1 = dag.int_shape().expect("bootstrap Int").declaration;
-        let args = vec![
-            TemplateArgument {
-                parameter: p0,
-                value: p0,
-            },
-            TemplateArgument {
-                parameter: p1,
-                value: p0,
-            },
-            TemplateArgument {
-                parameter: p1,
-                value: p1,
-            },
-        ];
-        let expected: Vec<TemplateArgument> = args
-            .iter()
-            .filter(|a| a.parameter != a.value)
-            .cloned()
-            .collect();
-        let actual = filter_non_self_template_arguments(&args);
-        assert_eq!(actual.len(), expected.len());
-        for (a, e) in actual.iter().zip(expected.iter()) {
-            assert_eq!(a.parameter, e.parameter);
-            assert_eq!(a.value, e.value);
-        }
-    }
-
-    /// SG-4b (callable-instantiation normalization cluster): exercise
-    /// `find_equivalent_anonymous_instantiation` through the real
-    /// declaration-table path so the generated template-argument
-    /// comparison is the one doing the dedup.
-    #[test]
-    fn find_equivalent_anonymous_instantiation_dedups_via_generated_comparison() {
-        let mut dag = Dag::new();
-        let template = dag.bool_shape().expect("bootstrap Bool").declaration;
-        let p0 = dag.int_shape().expect("bootstrap Int").declaration;
-        let p1 = dag.string_shape().expect("bootstrap String").declaration;
-        let v0 = dag.int_shape().expect("bootstrap Int").declaration;
-        let v1 = dag.bool_shape().expect("bootstrap Bool").declaration;
-
-        let args = vec![
-            TemplateArgument {
-                parameter: p0,
-                value: v0,
-            },
-            TemplateArgument {
-                parameter: p1,
-                value: v1,
-            },
-        ];
-
-        let anon_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: anon_id,
-            name: None,
-            connective: TypeConnective::Instantiation {
-                template,
-                arguments: args.clone(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: synthetic_span(),
-        });
-
-        // Exact arguments match → dedup hit.
-        assert_eq!(
-            find_equivalent_anonymous_instantiation(&dag, template, &args, None),
-            Some(anon_id),
-        );
-
-        // One value differs → no hit.
-        let mut value_diff = args.clone();
-        value_diff[1].value = v0;
-        assert_eq!(
-            find_equivalent_anonymous_instantiation(&dag, template, &value_diff, None),
-            None,
-        );
-
-        // Length differs → no hit.
-        assert_eq!(
-            find_equivalent_anonymous_instantiation(&dag, template, &args[..1], None),
-            None,
-        );
-
-        let opaque = NominalOpacity {
-            permitted_accessors: Vec::new(),
-        };
-        assert_eq!(
-            find_equivalent_anonymous_instantiation(&dag, template, &args, Some(&opaque)),
-            None,
-            "anonymous instantiation interning must not collapse distinct nominal-opacity carriers"
-        );
-
-        let opaque_anon_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: opaque_anon_id,
-            name: None,
-            connective: TypeConnective::Instantiation {
-                template,
-                arguments: args.clone(),
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: Some(opaque.clone()),
-            span: synthetic_span(),
-        });
-        assert_eq!(
-            find_equivalent_anonymous_instantiation(&dag, template, &args, Some(&opaque)),
-            Some(opaque_anon_id),
-        );
-        let opaque_with_accessor = NominalOpacity {
-            permitted_accessors: vec![p0],
-        };
-        assert_eq!(
-            find_equivalent_anonymous_instantiation(
-                &dag,
-                template,
-                &args,
-                Some(&opaque_with_accessor),
-            ),
-            None,
-            "permitted-accessor changes are part of the nominal-opacity interning key"
-        );
-
-        // Self-binding normalization: a `parameter == value` entry is a
-        // real structural distinction at this call site —
-        // `find_equivalent_anonymous_instantiation` does not strip self
-        // bindings itself; `normalized_instantiation_args` owns that.
-        // An instantiation with a self-binding added does not dedup
-        // against one without it, confirming the comparison is strict
-        // pairwise and the generated helper's length check fires.
-        let mut with_self = args.clone();
-        with_self.push(TemplateArgument {
-            parameter: p0,
-            value: p0,
-        });
-        assert_eq!(
-            find_equivalent_anonymous_instantiation(&dag, template, &with_self, None),
-            None,
-        );
-    }
-
-    #[test]
-    fn arithmetic_division_uses_totalized_result_shape() {
-        let mut dag = Dag::new();
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-        let lhs = TypeShape::new(int);
-        let first =
-            resolve_operator_arrow(&mut dag, OperatorKind::Arithmetic(ArithmeticOp::Div), &lhs)
-                .expect("division must resolve");
-        let after_first = dag.declarations().len();
-        let second =
-            resolve_operator_arrow(&mut dag, OperatorKind::Arithmetic(ArithmeticOp::Div), &lhs)
-                .expect("division must resolve");
-
-        assert_eq!(first.output.declaration, second.output.declaration);
-        assert_eq!(
-            after_first,
-            dag.declarations().len(),
-            "div resolution should dedup anonymous instantiation",
-        );
-
-        let result_shape_decl = dag.declaration(first.output.declaration);
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &result_shape_decl.connective
-        else {
-            panic!("division output must remain an instantiation");
-        };
-        let std_result = canonical_result_decl(&dag).expect("std Result").id;
-        let std_div_error = canonical_div_error_decl(&dag).expect("std DivError").id;
-        assert_eq!(*template, std_result);
-        assert_eq!(arguments.len(), 2);
-        assert_eq!(arguments[0].value, int);
-        assert_eq!(arguments[1].value, std_div_error);
-    }
-
-    #[test]
-    fn arithmetic_division_canonical_result_and_diverror_are_structural_not_path_keyed() {
-        let mut dag = Dag::new();
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-        let result = canonical_result_decl(&dag).expect("bootstrap Result").id;
-        let div_error = canonical_div_error_decl(&dag)
-            .expect("bootstrap DivError")
-            .id;
-
-        dag.declaration_mut(result).span.file = "renamed/std/errors.dag".to_string();
-        dag.declaration_mut(div_error).span.file = "renamed/std/errors.dag".to_string();
-
-        let resolved = resolve_operator_arrow(
-            &mut dag,
-            OperatorKind::Arithmetic(ArithmeticOp::Div),
-            &TypeShape::new(int),
-        )
-        .expect("division must resolve through structural error primitives");
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &dag.declaration(resolved.output.declaration).connective
-        else {
-            panic!("division output must remain an instantiation");
-        };
-
-        assert_eq!(*template, result);
-        assert_eq!(arguments.len(), 2);
-        assert_eq!(arguments[0].value, int);
-        assert_eq!(arguments[1].value, div_error);
-        assert_eq!(
-            canonical_result_decl(&dag).expect("structural Result").id,
-            result
-        );
-        assert_eq!(
-            canonical_div_error_decl(&dag)
-                .expect("structural DivError")
-                .id,
-            div_error
-        );
-    }
-
-    #[test]
-    fn arithmetic_division_ignores_user_shadowed_result_carriers() {
-        let mut dag = Dag::new();
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-        let span = synthetic_span();
-
-        let shadow_ok = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: shadow_ok,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Ok".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let shadow_err = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: shadow_err,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Err".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let shadow_result = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: shadow_result,
-            name: Some("Result".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Ok".to_string(),
-                        ty: shadow_ok,
-                    },
-                    Field {
-                        label: "Err".to_string(),
-                        ty: shadow_err,
-                    },
-                ],
-            },
-            type_params: vec![shadow_ok, shadow_err],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let shadow_div_error = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: shadow_div_error,
-            name: Some("DivError".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DivideByZero".to_string(),
-                        ty: int,
-                    },
-                    Field {
-                        label: "Overflow".to_string(),
-                        ty: int,
-                    },
-                ],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span,
-        });
-        assert!(
-            !substrate_div_error_type_decl_suppressed_for_emit(
-                &dag,
-                dag.declaration(shadow_div_error)
-            ),
-            "payload-bearing DivError twin must not match the canonical unit-variant fingerprint",
-        );
-
-        let resolved = resolve_operator_arrow(
-            &mut dag,
-            OperatorKind::Arithmetic(ArithmeticOp::Div),
-            &TypeShape::new(int),
-        )
-        .expect("division must resolve through std carrier");
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &dag.declaration(resolved.output.declaration).connective
-        else {
-            panic!("division output must remain an instantiation");
-        };
-
-        assert_ne!(*template, shadow_result);
-        assert_ne!(arguments[1].value, shadow_div_error);
-        assert_eq!(
-            *template,
-            canonical_result_decl(&dag).expect("std Result").id
-        );
-        assert_eq!(
-            arguments[1].value,
-            canonical_div_error_decl(&dag).expect("std DivError").id
-        );
-    }
-
-    #[test]
-    fn arithmetic_division_prefers_bootstrap_error_primitives_over_exact_twins() {
-        let mut dag = Dag::new();
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-        let std_result = canonical_result_decl(&dag).expect("std Result").id;
-        let std_div_error = canonical_div_error_decl(&dag).expect("std DivError").id;
-        let span = synthetic_span();
-
-        let twin_ok = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_ok,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("ok".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let twin_err = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_err,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("err".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let twin_ok_payload = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_ok_payload,
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: twin_ok,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let twin_err_payload = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_err_payload,
-            name: None,
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "value".to_string(),
-                    ty: twin_err,
-                }],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let twin_result = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_result,
-            name: Some("Result".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Ok".to_string(),
-                        ty: twin_ok_payload,
-                    },
-                    Field {
-                        label: "Err".to_string(),
-                        ty: twin_err_payload,
-                    },
-                ],
-            },
-            type_params: vec![twin_ok, twin_err],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let twin_divide_by_zero = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_divide_by_zero,
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let twin_overflow = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_overflow,
-            name: None,
-            connective: TypeConnective::Conj { children: vec![] },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let twin_div_error = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: twin_div_error,
-            name: Some("DivError".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "DivideByZero".to_string(),
-                        ty: twin_divide_by_zero,
-                    },
-                    Field {
-                        label: "Overflow".to_string(),
-                        ty: twin_overflow,
-                    },
-                ],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span,
-        });
-
-        assert!(substrate_result_type_decl_suppressed_for_emit(
-            &dag,
-            dag.declaration(twin_result)
-        ));
-        assert!(substrate_div_error_type_decl_suppressed_for_emit(
-            &dag,
-            dag.declaration(twin_div_error)
-        ));
-        assert_eq!(canonical_result_decl(&dag).expect("Result").id, std_result);
-        assert_eq!(
-            canonical_div_error_decl(&dag).expect("DivError").id,
-            std_div_error
-        );
-
-        let resolved = resolve_operator_arrow(
-            &mut dag,
-            OperatorKind::Arithmetic(ArithmeticOp::Div),
-            &TypeShape::new(int),
-        )
-        .expect("division must resolve through bootstrap error primitives");
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &dag.declaration(resolved.output.declaration).connective
-        else {
-            panic!("division output must remain an instantiation");
-        };
-        assert_eq!(*template, std_result);
-        assert_eq!(arguments[1].value, std_div_error);
-        assert_ne!(*template, twin_result);
-        assert_ne!(arguments[1].value, twin_div_error);
-    }
-
-    #[test]
-    fn read_algebra_field_fails_closed_on_unresolved_instantiation_argument() {
-        let mut dag = Dag::new();
-        let span = synthetic_span();
-        let int = dag.int_shape().expect("bootstrap Int").declaration;
-
-        let receiver_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: receiver_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("Self".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let unresolved = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: unresolved,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(
-                "Missing".to_string(),
-            )),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let arithmetic_field = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: arithmetic_field,
-            name: None,
-            connective: TypeConnective::Arrow {
-                inputs: vec![receiver_param, unresolved],
-                output: int,
-                body: ArrowBody::NoBody,
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let algebra = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: algebra,
-            name: Some("DivProbeAlgebra".to_string()),
-            connective: TypeConnective::Conj {
-                children: vec![Field {
-                    label: "div".to_string(),
-                    ty: arithmetic_field,
-                }],
-            },
-            type_params: vec![receiver_param],
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let before = dag.declarations().len();
-        let algebra_decl = dag.declaration(algebra).clone();
-        assert!(read_algebra_field(
-            &mut dag,
-            &algebra_decl,
-            arithmetic_field,
-            int,
-            OperatorKind::Arithmetic(ArithmeticOp::Div),
-            &TypeShape::new(int),
-        )
-        .is_none());
-        assert_eq!(dag.declarations().len(), before);
-    }
-
-    #[test]
-    fn bare_symbol_const_branch_pattern_fails_closed_before_variant_fallback() {
-        let mut dag = Dag::new();
-        let span = SourceSpan::new("symbol-const-pattern-unit.dag", 0, 1);
-
-        let symbol = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: symbol,
-            name: Some("Symbol".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(
-                "Symbol".to_string(),
-            )),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let symbol_const = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: symbol_const,
-            name: Some("match_symbol_axis".to_string()),
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByName(symbol)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: Some(symbol),
-            value_body: Some(crate::dag::ValueBody::Scalar(LiteralBits::String(
-                "match_symbol_axis".to_string(),
-            ))),
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let left_variant = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: left_variant,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByName(symbol)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let right_variant = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: right_variant,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::ResolvedByName(symbol)),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-        let sum = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: sum,
-            name: Some("TinySum".to_string()),
-            connective: TypeConnective::Disj {
-                variants: vec![
-                    Field {
-                        label: "Left".to_string(),
-                        ty: left_variant,
-                    },
-                    Field {
-                        label: "Right".to_string(),
-                        ty: right_variant,
-                    },
-                ],
-            },
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        let branch_id = dag.alloc_node_id();
-        let input = dag.alloc_port(None);
-        dag.set_port_type(input, TypeShape::new(sum));
-        let arm_output = dag.alloc_port(None);
-        let branch_output = dag.alloc_port(Some(branch_id));
-        dag.push_node(Behavior::Branch(crate::dag::BranchNode {
-            id: branch_id,
-            input,
-            paths: vec![crate::dag::Path {
-                body: branch_id,
-                output: arm_output,
-                pattern: crate::dag::BranchPattern::UnresolvedVariant {
-                    name: "match_symbol_axis".to_string(),
-                    span: span.clone(),
-                },
-                binding: None,
-            }],
-            output: branch_output,
-            span: span.clone(),
-            emit_participation: None,
-        }));
-
-        assert!(resolve_branch_patterns(&mut dag));
-        assert!(
-            dag.diagnostics().iter().any(|(_, diagnostic)| matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("bare Symbol constant `match_symbol_axis` cannot be used as a match pattern")
-            )),
-            "expected bare Symbol constant branch-pattern diagnostic, got {:?}",
-            dag.diagnostics()
-        );
-    }
-}
diff --git a/src/v3/compiler/src/infer_helpers_generated.rs b/src/v3/compiler/src/infer_helpers_generated.rs
deleted file mode 100644
index cac371a158e..00000000000
--- a/src/v3/compiler/src/infer_helpers_generated.rs
+++ /dev/null
@@ -1,198 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/infer_helpers.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub enum TemplateArgumentBinding {
-    Conflict,
-    NoOp,
-    Append,
-    ReplaceAt { _0: i64, _1: DeclarationId },
-}
-#[derive(Clone, Debug)]
-pub enum TemplateArgumentsMatch {
-    Match,
-    Mismatch,
-}
-#[derive(Clone, Debug)]
-pub enum TemplateArgumentCursor {
-    CursorEnd,
-    CursorHead {
-        head: TemplateArgument,
-        tail: Vec<TemplateArgument>,
-    },
-}
-#[derive(Clone, Debug)]
-pub enum NormalizedInstantiationArgs {
-    NotInstantiation,
-    Normalized {
-        template: DeclarationId,
-        args: Vec<TemplateArgument>,
-    },
-}
-pub fn behavior_output_port(p0: &Behavior) -> PortId {
-    match p0 {
-        Behavior::Value(v) => (v).result_port(),
-        Behavior::Transform(t) => (t).result_port(),
-        Behavior::Branch(b) => (b).result_port(),
-        Behavior::Loop(l) => (l).result_port(),
-        Behavior::Bind(bind) => (bind).result_port(),
-    }
-}
-pub fn payload_binding_span(p0: &Path, p1: &SourceSpan) -> SourceByteSpan {
-    match &((p0).pattern) {
-        BranchPattern::UnresolvedVariant {
-            name: __u_name,
-            span: __u_span,
-        } => SourceByteSpan {
-            byte_start: (__u_span).byte_start,
-            byte_end: (__u_span).byte_end,
-        },
-        BranchPattern::ResolvedVariant(_) => SourceByteSpan {
-            byte_start: (p1).byte_start,
-            byte_end: (p1).byte_end,
-        },
-    }
-}
-pub fn template_argument_value(
-    p0: &[TemplateArgument],
-    p1: &DeclarationId,
-) -> Lookup<DeclarationId> {
-    match p0 {
-        [] => Lookup::Miss,
-        [__list_head, __list_tail @ ..] => {
-            if ((__list_head).parameter == (*(p1))) {
-                Lookup::Hit((__list_head).value)
-            } else {
-                template_argument_value(__list_tail, p1)
-            }
-        }
-    }
-}
-pub fn resolve_template_argument_value(
-    p0: &i64,
-    p1: &[TemplateArgument],
-    p2: DeclarationId,
-) -> DeclarationId {
-    if ((*(p0)) <= 0) {
-        p2
-    } else {
-        match &(template_argument_value(p1, &p2)) {
-            Lookup::Miss => p2,
-            Lookup::Hit(next) => {
-                if ((*(next)) == p2) {
-                    p2
-                } else {
-                    resolve_template_argument_value(&((*(p0)) - 1), p1, (*(next)))
-                }
-            }
-        }
-    }
-}
-pub fn push_template_argument_binding(
-    p0: &[TemplateArgument],
-    p1: &DeclarationId,
-    p2: DeclarationId,
-) -> TemplateArgumentBinding {
-    push_template_argument_binding_at(p0, p1, p2, 0)
-}
-pub fn push_template_argument_binding_at(
-    p0: &[TemplateArgument],
-    p1: &DeclarationId,
-    p2: DeclarationId,
-    p3: i64,
-) -> TemplateArgumentBinding {
-    match p0 {
-        [] => TemplateArgumentBinding::Append,
-        [__list_head, __list_tail @ ..] => {
-            if ((__list_head).parameter == (*(p1))) {
-                if ((__list_head).value == (*(p1))) {
-                    TemplateArgumentBinding::ReplaceAt { _0: p3, _1: p2 }
-                } else {
-                    if ((__list_head).value == p2) {
-                        TemplateArgumentBinding::NoOp
-                    } else {
-                        TemplateArgumentBinding::Conflict
-                    }
-                }
-            } else {
-                push_template_argument_binding_at(__list_tail, p1, p2, (p3 + 1))
-            }
-        }
-    }
-}
-pub fn template_arguments_match(
-    p0: &[TemplateArgument],
-    p1: &[TemplateArgument],
-) -> TemplateArgumentsMatch {
-    match p0 {
-        [] => template_arguments_rhs_empty(p1),
-        [__list_head, __list_tail @ ..] => match &(template_argument_cursor(p1)) {
-            TemplateArgumentCursor::CursorEnd => TemplateArgumentsMatch::Mismatch,
-            TemplateArgumentCursor::CursorHead {
-                head: __cur_head,
-                tail: __cur_tail,
-            } => {
-                if ((__list_head).parameter == (__cur_head).parameter) {
-                    if ((__list_head).value == (__cur_head).value) {
-                        template_arguments_match(__list_tail, __cur_tail)
-                    } else {
-                        TemplateArgumentsMatch::Mismatch
-                    }
-                } else {
-                    TemplateArgumentsMatch::Mismatch
-                }
-            }
-        },
-    }
-}
-pub fn template_arguments_rhs_empty(p0: &[TemplateArgument]) -> TemplateArgumentsMatch {
-    match p0 {
-        [] => TemplateArgumentsMatch::Match,
-        [__list_head, __list_tail @ ..] => TemplateArgumentsMatch::Mismatch,
-    }
-}
-pub fn template_argument_cursor(p0: &[TemplateArgument]) -> TemplateArgumentCursor {
-    match p0 {
-        [] => TemplateArgumentCursor::CursorEnd,
-        [__list_head, __list_tail @ ..] => TemplateArgumentCursor::CursorHead {
-            head: (__list_head).clone(),
-            tail: (__list_tail).to_vec(),
-        },
-    }
-}
-pub fn filter_non_self_template_arguments(p0: &[TemplateArgument]) -> Vec<TemplateArgument> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            if ((__list_head).parameter == (__list_head).value) {
-                filter_non_self_template_arguments(__list_tail)
-            } else {
-                {
-                    let mut __list = filter_non_self_template_arguments(__list_tail);
-                    __list.insert(0, (__list_head).clone());
-                    __list
-                }
-            }
-        }
-    }
-}
-pub fn normalize_instantiation_arguments(p0: &TypeConnective) -> NormalizedInstantiationArgs {
-    match p0 {
-        TypeConnective::Atom(_) => NormalizedInstantiationArgs::NotInstantiation,
-        TypeConnective::Conj { children: _ } => NormalizedInstantiationArgs::NotInstantiation,
-        TypeConnective::Disj { variants: _ } => NormalizedInstantiationArgs::NotInstantiation,
-        TypeConnective::Arrow {
-            inputs: _,
-            output: _,
-            body: _,
-        } => NormalizedInstantiationArgs::NotInstantiation,
-        TypeConnective::Cardinality(_) => NormalizedInstantiationArgs::NotInstantiation,
-        TypeConnective::Instantiation {
-            template: __payload_template,
-            arguments: __payload_arguments,
-        } => NormalizedInstantiationArgs::Normalized {
-            template: (*(__payload_template)),
-            args: filter_non_self_template_arguments(__payload_arguments),
-        },
-    }
-}
diff --git a/src/v3/compiler/src/int_literal_ranges.rs b/src/v3/compiler/src/int_literal_ranges.rs
deleted file mode 100644
index c6c87054ab4..00000000000
--- a/src/v3/compiler/src/int_literal_ranges.rs
+++ /dev/null
@@ -1,1222 +0,0 @@
-//! Integer literal magnitude vs declared integer types — **Q1 consumer**.
-//!
-//! Authoritative modeling: [`docs/design-emission-model.md`](../../../../docs/design-emission-model.md)
-//! §Q1 — `BoundDeclaration = StaticBound(Interval<Int>) | PlatformDependent`, with asymmetric
-//! match (target `Unbounded` universal-accept; target `ExactInterval` exact `lo`/`hi` equality at
-//! the fold). This module implements only the **static** side needed for literal narrowing:
-//! substrate range facts [`range_min_inclusive` / `range_max_inclusive`](../../../../dsl/extdeps/languages/rust/primitives.dag)
-//! on [`rust_grounding_primitives`](crate::dag::Dag::rust_grounding_primitives) supply
-//! `StaticBound(Interval<Int>)` as [`IntervalInt::ExactInterval`] (decimal endpoints + host
-//! `BigInt` comparison; widened from `i128` per R3 Phase A so `u128::MAX` and any future wider
-//! primitive is representable structurally). [`IntervalInt::Unbounded`] exists so Q1’s interval
-//! algebra is representable when a
-//! target declares an unbounded value domain (pilot `IntegerPrimitive` rows are all exact today).
-//! [`PlatformDependent`] is out of scope for i64-bounded literal narrowing (deferred targets).
-//!
-//! ## Downstream consumers (range-facts + narrowing)
-//!
-//! | Location | Behavior |
-//! | --- | --- |
-//! | `infer::decide` (`Behavior::Value` integral literal vs annotated fixed-width real) | **Yes** — lossless IEEE narrow via [`int_literal_allowed_integral_seed_for_real_decl`] (R3 gate #67). |
-//! | `infer::try_reconcile_int_literal_decision_set` | `let` / `data` pre-seed vs default `Int64` literal; in-range narrow; OOB → `MagnitudeOutOfRange`. |
-//! | `infer::decide_transform` (calls) | Parameter-narrow type vs default-`Int` argument literal; narrow or OOB. |
-//! | `infer::int_literal_implicit_bind_tolerated_for_expected` | Callable template binding when structural binding fails on int literal. |
-//! | `lower` scalar literal lowering | Early reject for OOB literals before inference reunion. |
-//!
-//! ### R2 downstream audit ([`docs/briefs/r2-modeling-int-lit-magnitude-worker.md`](../../../../docs/briefs/r2-modeling-int-lit-magnitude-worker.md) §Slice 2)
-//!
-//! Post–[#1227](https://github.com/gunb-ai/gunbc/pull/1227) (**MethodEmitTemplate** Phase 1.5): no shared symbols with `emit_model.dag` method-template row lists
-//! or `*_method_template_contracts` — those paths do **not** consult `rust_grounding_primitives` / this module.
-//!
-//! | Consumer | Range-facts / Q1 magnitude |
-//! | --- | --- |
-//! | `infer` (`try_reconcile_int_literal_decision_set`, `decide_transform`, `int_literal_implicit_bind_tolerated_for_expected`, transform/`PortUnion` narrow paths) | **Yes** — `integer_range_for_decl` + `magnitude_out_of_range_for_interval`. |
-//! | `lower` (`lower_scalar_literal` / scalar literal outcome) | **Yes** — same facts for early OOB. |
-//! | `emit::*` (e.g. `rust_target`) | **Indirect** — emits **resolved** shapes after inference; no parallel range-fact walk. |
-//! | Method-template / emit-model carriers (**#1227**) | **N/A** — template contracts; unrelated to int-literal narrowing. |
-
-use std::collections::HashSet;
-use std::str::FromStr;
-
-use num_bigint::BigInt;
-
-use crate::dag::{
-    AtomPayload, Behavior, Dag, DeclarationId, FieldValue, LiteralBits, PortId, TemplateArgument,
-    TypeConnective, ValueBody,
-};
-use crate::diagnostics::{Diagnostic, SourceSpan};
-use crate::types::TypeShape;
-
-/// Q1 `Interval<Int>` instance carried from String-decimal range facts (not `LiteralBits::Int`
-/// widening — producer brief).
-///
-/// **Host repr:** `min` / `max` are arbitrary-precision `BigInt` so `u128::MAX` (and any future
-/// wider-than-i128 primitive) is representable structurally without per-width host-repr variant
-/// explosion. Per Director Path A RATIFIED at gunbc#1739 #issuecomment-4392731264 (R3 Substrate
-/// Rust-primitive-full-coverage bundled brief). The previous narrow `i128` host-repr deferred the
-/// `u128` row in `dsl/extdeps/languages/rust/primitives.dag` because `u128::MAX` exceeds `i128`
-/// range; that gap is closed by the `BigInt` host repr here.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub(crate) enum IntervalInt {
-    /// Closed interval — substrate `range_*_inclusive` facts for a fixed-width target primitive.
-    ExactInterval {
-        target_name: String,
-        min_decimal: String,
-        max_decimal: String,
-        min: BigInt,
-        max: BigInt,
-    },
-    /// Value-domain unbounded integer (e.g. arbitrary-precision target). Universal-accept for any
-    /// tokenized decimal literal magnitude (through `u128::MAX` / signed `|m| ≤ 2^127`).
-    ///
-    /// **Dissolution trigger (when this variant is constructed from [`integer_range_for_decl`]):**
-    /// a `rust_grounding_primitives` `IntegerPrimitive` row (or successor multi-target table) is
-    /// authored for a target whose Q1 `BoundDeclaration` is `StaticBound(Unbounded)` at magnitude
-    /// check — e.g. Python `int` per [`docs/design-emission-model.md`](../../../../docs/design-emission-model.md)
-    /// fold example (T-Ground cross-target / language `primitives.dag` work, not this consumer).
-    /// Until that producer exists, only [`IntervalInt::ExactInterval`] is returned from the pilot
-    /// list; [`Unbounded`] remains for `contains_bigint` / Q1 algebra completeness and unit tests.
-    #[allow(dead_code)]
-    Unbounded,
-}
-
-/// Decimal endpoints for a **fixed** integer target — the payload of [`MagnitudeOutOfRange`].
-///
-/// **API split:** only [`magnitude_out_of_range`] takes this type. When you have a full
-/// [`IntervalInt`] from [`integer_range_for_decl`], call [`magnitude_out_of_range_for_interval`]
-/// (it uses [`IntervalInt::exact_interval_facts`] and never passes an unbounded domain into the
-/// magnitude diagnostic).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub(crate) struct ExactIntIntervalFacts {
-    pub(crate) target_name: String,
-    pub(crate) min_decimal: String,
-    pub(crate) max_decimal: String,
-}
-
-impl IntervalInt {
-    /// Range check for a surface literal magnitude carried as decimal [`LiteralBits::Int`].
-    pub(crate) fn contains_bigint(&self, value: &BigInt) -> bool {
-        match self {
-            IntervalInt::Unbounded => true,
-            IntervalInt::ExactInterval { min, max, .. } => min <= value && value <= max,
-        }
-    }
-
-    /// Fixed-width pilot rows: `Some` for [`IntervalInt::ExactInterval`]; `None` for
-    /// [`IntervalInt::Unbounded`] (no decimal range to quote in `MagnitudeOutOfRange`).
-    pub(crate) fn exact_interval_facts(&self) -> Option<ExactIntIntervalFacts> {
-        match self {
-            IntervalInt::ExactInterval {
-                target_name,
-                min_decimal,
-                max_decimal,
-                ..
-            } => Some(ExactIntIntervalFacts {
-                target_name: target_name.clone(),
-                min_decimal: min_decimal.clone(),
-                max_decimal: max_decimal.clone(),
-            }),
-            IntervalInt::Unbounded => None,
-        }
-    }
-}
-
-pub(crate) enum IntegerRangeLookup {
-    Found(IntervalInt),
-    Missing,
-    Invalid(Diagnostic),
-}
-
-/// Structural witness for routing integer literals: `IntegerAlgebra` and
-/// `TargetCarrier` variant **payload type** ids (the `constructor` field on
-/// `FieldValue::Variant`), derived from std `OrderedRing<C>` / `Semiring<C>`
-/// **or** `Compose<Int|UInt, MachineWidth<N>>` with literal-Nat `N` (R3 gate #19 + #60)
-/// by resolving to the same pilot `(OrderedRing|Semiring, Word*)` routing key.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub(crate) struct IntegerRoutingWitness {
-    pub(crate) algebra_variant_ty: DeclarationId,
-    pub(crate) carrier_variant_ty: DeclarationId,
-}
-
-/// Integration / structural tests: witness for `decl`'s resolved integer
-/// instantiation (`OrderedRing` / `Semiring` + word carrier), if any.
-pub(crate) fn integer_routing_witness_for_decl(
-    dag: &Dag,
-    decl: DeclarationId,
-) -> Option<IntegerRoutingWitness> {
-    integer_routing_witness_walk(dag, decl, 0)
-}
-
-/// `Nat` (`dsl/std/nat.dag`: `Semiring<Magnitude>`). Nonnegative literals share the tokenizer's
-/// `u128` magnitude carrier; narrowing still rejects negative values structurally.
-fn type_is_nat(dag: &Dag, mut decl: DeclarationId) -> bool {
-    let Some(nat_id) = dag.declaration_by_name("Nat").map(|d| d.id) else {
-        return false;
-    };
-    let Some(semiring_template) = dag.declaration_by_name("Semiring").map(|d| d.id) else {
-        return false;
-    };
-    let Some(magnitude_id) = dag.declaration_by_name("Magnitude").map(|d| d.id) else {
-        return false;
-    };
-    for _ in 0..32 {
-        if decl == nat_id {
-            return true;
-        }
-        let declaration = dag.declaration(decl);
-        match &declaration.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if *template == semiring_template
-                && arguments.len() == 1
-                && arguments[0].value == magnitude_id =>
-            {
-                return true;
-            }
-            TypeConnective::Instantiation { template, .. } => decl = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => decl = *next,
-            _ => return false,
-        }
-    }
-    false
-}
-
-fn nat_decimal_literal_interval() -> IntervalInt {
-    IntervalInt::ExactInterval {
-        target_name: "Nat".to_string(),
-        min_decimal: "0".to_string(),
-        max_decimal: u128::MAX.to_string(),
-        min: BigInt::from(0u8),
-        max: BigInt::from(u128::MAX),
-    }
-}
-
-pub(crate) fn integer_range_for_decl(dag: &Dag, decl: DeclarationId) -> IntegerRangeLookup {
-    if type_is_nat(dag, decl) {
-        return IntegerRangeLookup::Found(nat_decimal_literal_interval());
-    }
-    let Some(witness) = integer_routing_witness_walk(dag, decl, 0) else {
-        return IntegerRangeLookup::Missing;
-    };
-    let Some(grounding_list) = dag.rust_grounding_primitives() else {
-        return IntegerRangeLookup::Missing;
-    };
-    let Some(body) = grounding_list.value_body.as_ref() else {
-        return IntegerRangeLookup::Missing;
-    };
-    let ValueBody::List(elements) = body else {
-        return IntegerRangeLookup::Missing;
-    };
-
-    let integer_primitive_ctor = match rust_primitive_integer_variant_ty(dag) {
-        Some(id) => id,
-        None => {
-            return IntegerRangeLookup::Invalid(malformed_integer_range_fact(
-                "bootstrap: RustPrimitive.IntegerPrimitive variant type is unavailable".to_string(),
-                grounding_list.span.clone(),
-            ));
-        }
-    };
-
-    let mut matches: Vec<GroundingIntegerMatch> = Vec::new();
-    for element in elements {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = element
-        else {
-            continue;
-        };
-        if *constructor != integer_primitive_ctor {
-            continue;
-        }
-        match grounding_integer_row(witness, payload, grounding_list.span.clone()) {
-            Ok(Some(m)) => matches.push(m),
-            Ok(None) => {}
-            Err(diag) => return IntegerRangeLookup::Invalid(diag),
-        }
-    }
-
-    if matches.is_empty() {
-        return IntegerRangeLookup::Missing;
-    }
-    if let Some(row) = matches.iter().find(|row| row.range.is_none()) {
-        return IntegerRangeLookup::Invalid(malformed_integer_range_fact(
-            format!(
-                "malformed rust_grounding_primitives IntegerPrimitive row for routing witness {:?}; integer literal range narrowing is unavailable",
-                (witness.algebra_variant_ty, witness.carrier_variant_ty)
-            ),
-            row.span.clone(),
-        ));
-    }
-    if matches.len() > 1 {
-        return IntegerRangeLookup::Invalid(malformed_integer_range_fact(
-            format!(
-                "duplicate rust_grounding_primitives IntegerPrimitive rows for routing witness {:?}; integer literal range narrowing is ambiguous",
-                (witness.algebra_variant_ty, witness.carrier_variant_ty)
-            ),
-            matches[1].span.clone(),
-        ));
-    }
-    let row = matches.remove(0);
-    match row.range {
-        Some(range) => IntegerRangeLookup::Found(range),
-        None => unreachable!("malformed matching rows are handled before duplicate detection"),
-    }
-}
-
-struct GroundingIntegerMatch {
-    range: Option<IntervalInt>,
-    span: SourceSpan,
-}
-
-fn integer_routing_witness_walk(
-    dag: &Dag,
-    decl: DeclarationId,
-    depth: usize,
-) -> Option<IntegerRoutingWitness> {
-    if depth >= 32 {
-        return None;
-    }
-    let declaration = dag.declaration(decl);
-    match &declaration.connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByName(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByStructure(next)) => {
-            integer_routing_witness_walk(dag, *next, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            if arguments.is_empty() {
-                return integer_routing_witness_walk(dag, *template, depth + 1);
-            }
-            if let Some(compose_id) = dag.declaration_by_name("Compose").map(|d| d.id) {
-                if *template == compose_id && arguments.len() == 2 {
-                    if let Some(w) = compose_integer_routing_witness(dag, arguments.as_slice()) {
-                        return Some(w);
-                    }
-                }
-            }
-            let carrier = arguments.first()?.value;
-            integer_instantiation_witness(dag, *template, carrier)
-        }
-        _ => None,
-    }
-}
-
-/// Gate #60 Phase 2.1: `MachineWidth`'s phantom argument may be a literal decimal
-/// (`MachineWidth<64>`) naming the Nat magnitude; map to the existing `std.bit` width
-/// authority (`Byte` / `Word16` / …) for the same integer-routing witness as Word*-spelled rows.
-fn machine_width_inner_to_std_width_carrier_decl(
-    dag: &Dag,
-    inner_decl: DeclarationId,
-) -> Option<DeclarationId> {
-    if std_word_carrier_to_target_carrier_variant_ty(dag, inner_decl).is_some() {
-        return Some(inner_decl);
-    }
-    match &dag.declaration(inner_decl).connective {
-        TypeConnective::Atom(AtomPayload::Literal(LiteralBits::Int(s))) => {
-            let n: u32 = s.parse().ok()?;
-            match n {
-                8 => Some(dag.declaration_by_name("Byte")?.id),
-                16 => Some(dag.declaration_by_name("Word16")?.id),
-                32 => Some(dag.declaration_by_name("Word32")?.id),
-                64 => Some(dag.declaration_by_name("Word64")?.id),
-                128 => Some(dag.declaration_by_name("Word128")?.id),
-                _ => None,
-            }
-        }
-        _ => None,
-    }
-}
-
-/// Fixed-width integers after gate #19 + #60: `Compose<Int, MachineWidth<N>>` (signed) or
-/// `Compose<UInt, MachineWidth<N>>` (unsigned) with literal-Nat `N` for every fixed width.
-/// Maps to the same `(OrderedRing|Semiring, Word*)` pilot routing key as the legacy
-/// `OrderedRing<Word*>` / `Semiring<Word*>` instantiations.
-fn compose_integer_routing_witness(
-    dag: &Dag,
-    arguments: &[TemplateArgument],
-) -> Option<IntegerRoutingWitness> {
-    let int_id = dag.declaration_by_name("Int").map(|d| d.id)?;
-    let uint_id = dag.declaration_by_name("UInt").map(|d| d.id)?;
-    let machine_width = dag.declaration_by_name("MachineWidth").map(|d| d.id)?;
-
-    let mut signed: Option<bool> = None;
-    let mut word_carrier: Option<DeclarationId> = None;
-
-    for arg in arguments {
-        let v = arg.value;
-        if v == int_id {
-            signed = Some(true);
-        } else if v == uint_id {
-            signed = Some(false);
-        } else if let TypeConnective::Instantiation {
-            template,
-            arguments: mw_args,
-        } = &dag.declaration(v).connective
-        {
-            if *template == machine_width && mw_args.len() == 1 {
-                let inner = mw_args[0].value;
-                word_carrier = Some(machine_width_inner_to_std_width_carrier_decl(dag, inner)?);
-            }
-        }
-    }
-
-    let signed = signed?;
-    let carrier_decl = word_carrier?;
-    let algebra_variant_ty = if signed {
-        disj_variant_payload_ty(dag, "IntegerAlgebra", "OrderedRingAlgebra")?
-    } else {
-        disj_variant_payload_ty(dag, "IntegerAlgebra", "SemiringAlgebra")?
-    };
-    let carrier_variant_ty = std_word_carrier_to_target_carrier_variant_ty(dag, carrier_decl)?;
-    Some(IntegerRoutingWitness {
-        algebra_variant_ty,
-        carrier_variant_ty,
-    })
-}
-
-fn integer_instantiation_witness(
-    dag: &Dag,
-    template: DeclarationId,
-    carrier_decl: DeclarationId,
-) -> Option<IntegerRoutingWitness> {
-    let ordered_ring = dag.declaration_by_name("OrderedRing")?.id;
-    let semiring = dag.declaration_by_name("Semiring")?.id;
-    let algebra_variant_ty = if template == ordered_ring {
-        disj_variant_payload_ty(dag, "IntegerAlgebra", "OrderedRingAlgebra")?
-    } else if template == semiring {
-        disj_variant_payload_ty(dag, "IntegerAlgebra", "SemiringAlgebra")?
-    } else {
-        return None;
-    };
-    let carrier_variant_ty = std_word_carrier_to_target_carrier_variant_ty(dag, carrier_decl)?;
-    Some(IntegerRoutingWitness {
-        algebra_variant_ty,
-        carrier_variant_ty,
-    })
-}
-
-fn disj_variant_payload_ty(
-    dag: &Dag,
-    sum_name: &str,
-    variant_label: &str,
-) -> Option<DeclarationId> {
-    let decl = dag.declaration_by_name(sum_name)?;
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.label == variant_label)
-        .map(|v| v.ty)
-}
-
-fn std_word_carrier_to_target_carrier_variant_ty(
-    dag: &Dag,
-    carrier_decl: DeclarationId,
-) -> Option<DeclarationId> {
-    let byte = dag.declaration_by_name("Byte")?.id;
-    let word16 = dag.declaration_by_name("Word16")?.id;
-    let word32 = dag.declaration_by_name("Word32")?.id;
-    let word64 = dag.declaration_by_name("Word64")?.id;
-    let word128 = dag.declaration_by_name("Word128")?.id;
-    let label = if carrier_decl == byte {
-        "ByteCarrier"
-    } else if carrier_decl == word16 {
-        "Word16Carrier"
-    } else if carrier_decl == word32 {
-        "Word32Carrier"
-    } else if carrier_decl == word64 {
-        "Word64Carrier"
-    } else if carrier_decl == word128 {
-        "Word128Carrier"
-    } else {
-        return None;
-    };
-    disj_variant_payload_ty(dag, "TargetCarrier", label)
-}
-
-fn rust_primitive_integer_variant_ty(dag: &Dag) -> Option<DeclarationId> {
-    let rust_primitive = dag.declaration_by_name("RustPrimitive")?;
-    let TypeConnective::Disj { variants } = &rust_primitive.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.label == "IntegerPrimitive")
-        .map(|v| v.ty)
-}
-
-fn grounding_integer_row(
-    witness: IntegerRoutingWitness,
-    payload: &[FieldValue],
-    default_span: SourceSpan,
-) -> Result<Option<GroundingIntegerMatch>, Diagnostic> {
-    // IntegerPrimitive field order: target_name, algebra, carrier, range_*, is_copy, overflow
-    if payload.len() < 5 {
-        return Ok(None);
-    }
-    let FieldValue::Variant {
-        constructor: algebra_ctor,
-        ..
-    } = &payload[1]
-    else {
-        return Err(malformed_integer_range_fact(
-            "rust_grounding_primitives IntegerPrimitive `algebra` must be a variant value"
-                .to_string(),
-            default_span.clone(),
-        ));
-    };
-    let FieldValue::Variant {
-        constructor: carrier_ctor,
-        ..
-    } = &payload[2]
-    else {
-        return Err(malformed_integer_range_fact(
-            "rust_grounding_primitives IntegerPrimitive `carrier` must be a variant value"
-                .to_string(),
-            default_span.clone(),
-        ));
-    };
-    if *algebra_ctor != witness.algebra_variant_ty || *carrier_ctor != witness.carrier_variant_ty {
-        return Ok(None);
-    }
-
-    let range = (|| {
-        let min_decimal = literal_string(payload.get(3)?)?;
-        let max_decimal = literal_string(payload.get(4)?)?;
-        let min = min_decimal.parse().ok()?;
-        let max = max_decimal.parse().ok()?;
-        if min > max {
-            return None;
-        }
-        Some(IntervalInt::ExactInterval {
-            target_name: literal_string(payload.first()?)?,
-            min_decimal,
-            max_decimal,
-            min,
-            max,
-        })
-    })();
-
-    Ok(Some(GroundingIntegerMatch {
-        range,
-        span: default_span,
-    }))
-}
-
-fn literal_string(value: &FieldValue) -> Option<String> {
-    match value {
-        FieldValue::Literal(LiteralBits::String(value)) => Some(value.clone()),
-        _ => None,
-    }
-}
-
-pub(crate) fn literal_bigint_at(dag: &Dag, port: PortId) -> Option<BigInt> {
-    let s = match dag.resolve_producer_opt(&port)? {
-        Behavior::Value(value) => match &value.data {
-            LiteralBits::Int(s) => s.as_str(),
-            _ => return None,
-        },
-        _ => return None,
-    };
-    BigInt::from_str(s).ok()
-}
-
-/// IEEE-754 width targeted by an integral literal that seeds a fixed-width real.
-///
-/// 🟡 STAGED — compiler-internal discriminant for gate-#67 interim seeding; dissolve when
-/// float lexeme / substrate width facts subsume this path (Practice 4 — internal enum).
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub(crate) enum IntLiteralFloatCoercionTarget {
-    F32,
-    F64,
-}
-
-/// Peels empty `Instantiate(T, [])` and `ResolvedBy{Structure,Name}` heads (gate-#60 alias chain).
-/// Shared by integral-float seeding and Rust emit `Compose<Algebra, MachineWidth<…>>` inspection.
-pub(crate) fn peel_decl_head_for_integral_float_seed(
-    dag: &Dag,
-    mut decl: DeclarationId,
-) -> DeclarationId {
-    for _ in 0..32 {
-        let d = dag.declaration(decl);
-        match &d.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                decl = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByName(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByStructure(next)) => {
-                decl = *next;
-            }
-            _ => return decl,
-        }
-    }
-    decl
-}
-
-/// True when every integer with this magnitude is representable **exactly** as an `f32`.
-pub(crate) fn int_literal_lossless_in_f32(literal: &BigInt) -> bool {
-    // IEEE-754 binary32 has 24 explicit significand bits → all |n| ≤ 2^24 round-trip exactly.
-    let max = BigInt::from(16777216u32);
-    let min = -max.clone();
-    literal >= &min && literal <= &max
-}
-
-/// True when every integer with this magnitude is representable **exactly** as an `f64`.
-pub(crate) fn int_literal_lossless_in_f64(literal: &BigInt) -> bool {
-    let max = BigInt::from(9007199254740992u64);
-    let min = -max.clone();
-    literal >= &min && literal <= &max
-}
-
-/// R3 gate #60: `MachineWidth<Byte|Word*>` or `MachineWidth<literal-Nat>` → bit width.
-/// (`Byte` is the nominal 8-bit carrier in `dsl/std/bit.dag`; there is no `Word8`.)
-pub(crate) fn gate60_machine_width_bits(
-    dag: &Dag,
-    machine_width_inst: DeclarationId,
-) -> Option<u32> {
-    let wdecl = dag.declaration(machine_width_inst);
-    let TypeConnective::Instantiation {
-        template,
-        arguments: mw_args,
-    } = &wdecl.connective
-    else {
-        return None;
-    };
-    let mw_tpl = dag.declaration_by_name("MachineWidth")?.id;
-    if *template != mw_tpl || mw_args.len() != 1 {
-        return None;
-    }
-    let slot = mw_args[0].value;
-    for (carrier_name, bits) in [
-        ("Byte", 8_u32),
-        ("Word16", 16),
-        ("Word32", 32),
-        ("Word64", 64),
-        ("Word128", 128),
-    ] {
-        if let Some(w) = dag.declaration_by_name(carrier_name) {
-            if slot == w.id {
-                return Some(bits);
-            }
-        }
-    }
-    let inner = dag.declaration(slot);
-    if let TypeConnective::Atom(AtomPayload::Literal(LiteralBits::Int(decimal))) = &inner.connective
-    {
-        let n: u32 = decimal.parse().ok()?;
-        return matches!(n, 8 | 16 | 32 | 64 | 128).then_some(n);
-    }
-    None
-}
-
-/// Bootstrap `Compose<…, …>` template declaration id (structural gate-#60 / Rust emit walks).
-#[inline]
-pub(crate) fn compose_carrier_template_declaration_id(dag: &Dag) -> Option<DeclarationId> {
-    dag.declaration_by_name("Compose").map(|d| d.id)
-}
-
-fn structural_compose_real_machine_width(
-    dag: &Dag,
-    decl: DeclarationId,
-) -> Option<IntLiteralFloatCoercionTarget> {
-    let compose = compose_carrier_template_declaration_id(dag)?;
-    let real = dag.declaration_by_name("Real")?.id;
-
-    let decl = peel_decl_head_for_integral_float_seed(dag, decl);
-    let d = dag.declaration(decl);
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &d.connective
-    else {
-        return None;
-    };
-    if *template != compose || arguments.len() != 2 {
-        return None;
-    }
-    if !arguments.iter().any(|a| a.value == real) {
-        return None;
-    }
-    let mut out = None;
-    for arg in arguments {
-        if arg.value == real {
-            continue;
-        }
-        if let Some(bits) = gate60_machine_width_bits(dag, arg.value) {
-            match bits {
-                32 => out = Some(IntLiteralFloatCoercionTarget::F32),
-                64 => out = Some(IntLiteralFloatCoercionTarget::F64),
-                _ => {}
-            }
-        }
-    }
-    out
-}
-
-pub(crate) fn int_literal_float_coercion_target(
-    dag: &Dag,
-    decl: DeclarationId,
-) -> Option<IntLiteralFloatCoercionTarget> {
-    // Only name the canonical width rows (`Real32`/`Real64`) that own `TypeRealization` targets in
-    // `rust.dag`. Compatibility aliases (`Float32 = Real32`, …) peel to these via
-    // [`peel_decl_head_for_integral_float_seed`], so listing `Float*` here would duplicate
-    // inference authority without adding emit coverage (codex #3115 — P2 single spine).
-    let peeled = peel_decl_head_for_integral_float_seed(dag, decl);
-    for (name, fmt) in [
-        ("Real64", IntLiteralFloatCoercionTarget::F64),
-        ("Real32", IntLiteralFloatCoercionTarget::F32),
-    ] {
-        if let Some(d) = dag.declaration_by_name(name) {
-            if peeled == d.id {
-                return Some(fmt);
-            }
-        }
-    }
-    structural_compose_real_machine_width(dag, decl)
-}
-
-/// `let r: Real<64> = 0` (etc.): integer literals may seed fixed-width reals when the tokenizer
-/// has no float lexeme yet — emit prints a decimal fragment Rust accepts in `f32`/`f64` slots.
-pub(crate) fn int_literal_allowed_integral_seed_for_real_decl(
-    dag: &Dag,
-    literal: &BigInt,
-    decl: DeclarationId,
-) -> bool {
-    match int_literal_float_coercion_target(dag, decl) {
-        Some(IntLiteralFloatCoercionTarget::F64) => int_literal_lossless_in_f64(literal),
-        Some(IntLiteralFloatCoercionTarget::F32) => int_literal_lossless_in_f32(literal),
-        None => false,
-    }
-}
-
-pub(crate) fn int_literal_fits_expected_type(
-    dag: &Dag,
-    literal: &BigInt,
-    expected: DeclarationId,
-) -> Result<Option<bool>, Diagnostic> {
-    match integer_range_for_decl(dag, expected) {
-        IntegerRangeLookup::Found(bound) => Ok(Some(bound.contains_bigint(literal))),
-        IntegerRangeLookup::Missing => Ok(None),
-        IntegerRangeLookup::Invalid(diag) => Err(diag),
-    }
-}
-
-/// Build [`Diagnostic::MagnitudeOutOfRange`] from **exact** decimal range facts only.
-///
-/// For a bound that may be [`IntervalInt::Unbounded`], use [`magnitude_out_of_range_for_interval`]
-/// instead — this function does not accept [`IntervalInt`].
-pub(crate) fn magnitude_out_of_range(
-    literal: &BigInt,
-    expected: TypeShape,
-    facts: ExactIntIntervalFacts,
-    span: SourceSpan,
-) -> Diagnostic {
-    Diagnostic::MagnitudeOutOfRange {
-        literal: literal.to_string(),
-        target: facts.target_name,
-        range_min_inclusive: facts.min_decimal,
-        range_max_inclusive: facts.max_decimal,
-        expected,
-        span,
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "IntegerLiteralRangeDiagnostic",
-        ),
-    }
-}
-
-/// OOB diagnostic when the only available model is [`IntervalInt`] (e.g. from
-/// [`integer_range_for_decl`]). Unbounded domains never produce `MagnitudeOutOfRange` for
-/// finite literals; if that combination appears, fail closed without `unreachable!`.
-pub(crate) fn magnitude_out_of_range_for_interval(
-    literal: &BigInt,
-    expected: TypeShape,
-    bound: IntervalInt,
-    span: SourceSpan,
-) -> Diagnostic {
-    match bound.exact_interval_facts() {
-        Some(facts) => magnitude_out_of_range(literal, expected, facts, span),
-        None => Diagnostic::ResolveError {
-            name: "internal: integer literal failed range check but target has no exact interval facts"
-                .to_string(),
-            span,
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("IntegerLiteralRangeDiagnostic"),
-        },
-    }
-}
-
-fn malformed_integer_range_fact(message: String, span: SourceSpan) -> Diagnostic {
-    Diagnostic::MalformedIntegerRangeFact {
-        message,
-        span,
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "IntegerLiteralRangeDiagnostic",
-        ),
-    }
-}
-
-/// Bootstrap-only gate: walk **every** `IntegerPrimitive` row in
-/// `rust_grounding_primitives` and fail closed if any row is structurally
-/// ill-formed, range strings do not parse as decimal `BigInt`, `min > max`,
-/// or `(algebra, carrier)` witness pairs collide.
-///
-/// Call this once when constructing the extdeps-including bootstrapped `Dag`
-/// so drift or corruption in the pilot list surfaces at `Dag::new()`,
-/// not only when a particular std type is queried.
-pub(crate) fn validate_rust_grounding_integer_primitives(dag: &mut Dag) {
-    // R3 Phase B (Director Path A RATIFIED at gunbc#1739 #issuecomment-4392731264;
-    // Option (ii) at #issuecomment-4393145631; Phase B-1 at commit `59511503e`):
-    // pilot carries 10 IntegerPrimitive rows (i8..i64, i128, u8..u64, u128).
-    // u128 was unblocked by Phase A `IntervalInt::ExactInterval` BigInt host
-    // repr widening (commit `e7ba022c6`); the prior `T-Int128 Slice B1` /
-    // "Slice B2" deferral marker is resolved.
-    const EXPECTED_INTEGER_ROWS: usize = 10;
-    const INTEGER_PRIMITIVE_FIELD_COUNT: usize = 7;
-
-    enum GroundingListSnapshot {
-        List(Vec<FieldValue>),
-        MissingBody,
-        NotList,
-    }
-
-    // Authority file for span when the declaration is absent (extdeps fixture).
-    const RUST_INHABITANCE_MIRROR_AUTHORITY: &str = "dsl/extdeps/languages/rust/primitives.dag";
-
-    let (default_span, grounding_elements) = {
-        let Some(grounding_list) = dag.rust_grounding_primitives() else {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "bootstrap: `rust_grounding_primitives` is missing from the extdeps fixture; \
-                 integer range authority is unavailable (expected extdeps `primitives.dag` load)"
-                    .to_string(),
-                SourceSpan::new(RUST_INHABITANCE_MIRROR_AUTHORITY, 0, 0),
-            ));
-            return;
-        };
-        let sp = grounding_list.span.clone();
-        let snap = match grounding_list.value_body.as_ref() {
-            None => GroundingListSnapshot::MissingBody,
-            Some(ValueBody::List(els)) => GroundingListSnapshot::List(els.clone()),
-            Some(_) => GroundingListSnapshot::NotList,
-        };
-        (sp, snap)
-    };
-
-    let elements: &[FieldValue] = match &grounding_elements {
-        GroundingListSnapshot::List(els) => els,
-        GroundingListSnapshot::MissingBody => {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "bootstrap: rust_grounding_primitives is missing a value body".to_string(),
-                default_span,
-            ));
-            return;
-        }
-        GroundingListSnapshot::NotList => {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "bootstrap: rust_grounding_primitives must be ValueBody::List".to_string(),
-                default_span,
-            ));
-            return;
-        }
-    };
-
-    let Some(integer_ctor) = rust_primitive_integer_variant_ty(dag) else {
-        dag.attach_diagnostic(malformed_integer_range_fact(
-            "bootstrap: RustPrimitive.IntegerPrimitive variant is unavailable".to_string(),
-            default_span,
-        ));
-        return;
-    };
-
-    let Some(ord_algebra) = disj_variant_payload_ty(dag, "IntegerAlgebra", "OrderedRingAlgebra")
-    else {
-        dag.attach_diagnostic(malformed_integer_range_fact(
-            "bootstrap: IntegerAlgebra.OrderedRingAlgebra is unavailable for pilot validation"
-                .to_string(),
-            default_span,
-        ));
-        return;
-    };
-    let Some(sem_algebra) = disj_variant_payload_ty(dag, "IntegerAlgebra", "SemiringAlgebra")
-    else {
-        dag.attach_diagnostic(malformed_integer_range_fact(
-            "bootstrap: IntegerAlgebra.SemiringAlgebra is unavailable for pilot validation"
-                .to_string(),
-            default_span,
-        ));
-        return;
-    };
-    let mut allowed_carriers: HashSet<DeclarationId> = HashSet::new();
-    for label in [
-        "ByteCarrier",
-        "Word16Carrier",
-        "Word32Carrier",
-        "Word64Carrier",
-        "Word128Carrier",
-    ] {
-        if let Some(c) = disj_variant_payload_ty(dag, "TargetCarrier", label) {
-            allowed_carriers.insert(c);
-        }
-    }
-    if allowed_carriers.is_empty() {
-        dag.attach_diagnostic(malformed_integer_range_fact(
-            "bootstrap: no TargetCarrier word variant payload types for pilot validation"
-                .to_string(),
-            default_span,
-        ));
-        return;
-    }
-
-    let mut witnesses: HashSet<(DeclarationId, DeclarationId)> = HashSet::new();
-    let mut integer_rows: usize = 0;
-
-    for element in elements {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = element
-        else {
-            continue;
-        };
-        if *constructor != integer_ctor {
-            continue;
-        }
-        integer_rows += 1;
-
-        if payload.len() < INTEGER_PRIMITIVE_FIELD_COUNT {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                format!(
-                    "rust_grounding_primitives IntegerPrimitive row has {} fields; expected {}",
-                    payload.len(),
-                    INTEGER_PRIMITIVE_FIELD_COUNT
-                ),
-                default_span.clone(),
-            ));
-            continue;
-        }
-
-        let FieldValue::Variant {
-            constructor: algebra_ctor,
-            ..
-        } = &payload[1]
-        else {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "rust_grounding_primitives IntegerPrimitive `algebra` must be a variant value"
-                    .to_string(),
-                default_span.clone(),
-            ));
-            continue;
-        };
-        if *algebra_ctor != ord_algebra && *algebra_ctor != sem_algebra {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "rust_grounding_primitives IntegerPrimitive `algebra` must be OrderedRingAlgebra or SemiringAlgebra (variant payload type id)".to_string(),
-                default_span.clone(),
-            ));
-            continue;
-        }
-
-        let FieldValue::Variant {
-            constructor: carrier_ctor,
-            ..
-        } = &payload[2]
-        else {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "rust_grounding_primitives IntegerPrimitive `carrier` must be a variant value"
-                    .to_string(),
-                default_span.clone(),
-            ));
-            continue;
-        };
-        if !allowed_carriers.contains(carrier_ctor) {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "rust_grounding_primitives IntegerPrimitive `carrier` must be a word TargetCarrier (Byte/Word16/Word32/Word64/Word128) variant payload type id".to_string(),
-                default_span.clone(),
-            ));
-            continue;
-        }
-
-        if literal_string(&payload[0]).is_none() {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "rust_grounding_primitives IntegerPrimitive `target_name` must be a string literal"
-                    .to_string(),
-                default_span.clone(),
-            ));
-            continue;
-        }
-
-        let (min_s, max_s) = match (literal_string(&payload[3]), literal_string(&payload[4])) {
-            (Some(a), Some(b)) => (a, b),
-            _ => {
-                dag.attach_diagnostic(malformed_integer_range_fact(
-                    "rust_grounding_primitives IntegerPrimitive range bounds must be string literals"
-                        .to_string(),
-                    default_span.clone(),
-                ));
-                continue;
-            }
-        };
-
-        if !matches!(payload[5], FieldValue::Literal(LiteralBits::Bool(_))) {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "rust_grounding_primitives IntegerPrimitive `is_copy` must be a bool literal"
-                    .to_string(),
-                default_span.clone(),
-            ));
-            continue;
-        }
-
-        if !matches!(&payload[6], FieldValue::Variant { .. }) {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                "rust_grounding_primitives IntegerPrimitive `overflow` must be a variant value"
-                    .to_string(),
-                default_span.clone(),
-            ));
-            continue;
-        }
-
-        let (min_n, max_n) = match (min_s.parse::<BigInt>(), max_s.parse::<BigInt>()) {
-            (Ok(mn), Ok(mx)) => (mn, mx),
-            _ => {
-                dag.attach_diagnostic(malformed_integer_range_fact(
-                    format!(
-                        "rust_grounding_primitives IntegerPrimitive range [{min_s}, {max_s}] must parse as a decimal integer"
-                    ),
-                    default_span.clone(),
-                ));
-                continue;
-            }
-        };
-        if min_n > max_n {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                format!(
-                    "rust_grounding_primitives IntegerPrimitive range order invalid: min {min_s} > max {max_s}"
-                ),
-                default_span.clone(),
-            ));
-            continue;
-        }
-
-        if !witnesses.insert((*algebra_ctor, *carrier_ctor)) {
-            dag.attach_diagnostic(malformed_integer_range_fact(
-                format!(
-                    "duplicate rust_grounding_primitives IntegerPrimitive (algebra, carrier) witness: ({algebra_ctor:?}, {carrier_ctor:?})"
-                ),
-                default_span.clone(),
-            ));
-        }
-    }
-
-    if integer_rows != EXPECTED_INTEGER_ROWS {
-        dag.attach_diagnostic(malformed_integer_range_fact(
-            format!(
-                "rust_grounding_primitives must list exactly {EXPECTED_INTEGER_ROWS} IntegerPrimitive rows (pilot int scope); found {integer_rows}"
-            ),
-            default_span,
-        ));
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::types::TypeShape;
-
-    #[test]
-    fn float_alias_peels_to_real_before_integral_float_coercion() {
-        let dag = Dag::new();
-        let float64 = dag.declaration_by_name("Float64").expect("Float64").id;
-        let real64 = dag.declaration_by_name("Real64").expect("Real64").id;
-        assert_eq!(
-            peel_decl_head_for_integral_float_seed(&dag, float64),
-            real64
-        );
-        assert_eq!(
-            int_literal_float_coercion_target(&dag, float64),
-            Some(IntLiteralFloatCoercionTarget::F64)
-        );
-        let float32 = dag.declaration_by_name("Float32").expect("Float32").id;
-        let real32 = dag.declaration_by_name("Real32").expect("Real32").id;
-        assert_eq!(
-            peel_decl_head_for_integral_float_seed(&dag, float32),
-            real32
-        );
-        assert_eq!(
-            int_literal_float_coercion_target(&dag, float32),
-            Some(IntLiteralFloatCoercionTarget::F32)
-        );
-    }
-
-    #[test]
-    fn magnitude_out_of_range_accepts_only_exact_int_interval_facts() {
-        let dag = Dag::new();
-        let u8_decl = dag.declaration_by_name("UInt8").expect("UInt8").id;
-        let d = magnitude_out_of_range(
-            &BigInt::from(256),
-            TypeShape::new(u8_decl),
-            ExactIntIntervalFacts {
-                target_name: "u8".to_string(),
-                min_decimal: "0".to_string(),
-                max_decimal: "255".to_string(),
-            },
-            SourceSpan::new("t.v3", 0, 0),
-        );
-        assert!(
-            matches!(
-                d,
-                Diagnostic::MagnitudeOutOfRange {
-                    ref literal,
-                    ref target,
-                    ..
-                } if literal == "256" && target == "u8"
-            ),
-            "expected MagnitudeOutOfRange, got {d:?}"
-        );
-    }
-
-    #[test]
-    fn magnitude_out_of_range_unbounded_target_fails_closed_with_resolve_error() {
-        let dag = Dag::new();
-        let int_decl = dag.declaration_by_name("Int").expect("Int in bootstrap").id;
-        let d = magnitude_out_of_range_for_interval(
-            &BigInt::from(0),
-            TypeShape::new(int_decl),
-            IntervalInt::Unbounded,
-            SourceSpan::new("t.v3", 0, 0),
-        );
-        assert!(
-            matches!(d, Diagnostic::ResolveError { .. }),
-            "expected fail-closed ResolveError, got {d:?}"
-        );
-    }
-
-    #[test]
-    fn interval_int_unbounded_accepts_sample_literals() {
-        assert!(IntervalInt::Unbounded.contains_bigint(&BigInt::from(i64::MIN)));
-        assert!(IntervalInt::Unbounded.contains_bigint(&BigInt::from(i64::MAX)));
-    }
-
-    #[test]
-    fn int128_witness_matches_i128_grounding_row_constructors() {
-        // T-Int128 Slice B1: signed Int128 -> i128 pilot row via Word128Carrier.
-        let dag = Dag::new();
-        assert!(
-            dag.diagnostics().is_empty(),
-            "bootstrap diagnostics: {:?}",
-            dag.diagnostics()
-        );
-        let int128 = dag
-            .declaration_by_name("Int128")
-            .expect("Int128 in bootstrap")
-            .id;
-        let witness = integer_routing_witness_for_decl(&dag, int128).expect("Int128 witness");
-        let grounding_list = dag.rust_grounding_primitives().expect("grounding list");
-        let ValueBody::List(elements) = grounding_list.value_body.as_ref().expect("list body")
-        else {
-            panic!("expected list");
-        };
-        let integer_primitive_ctor = rust_primitive_integer_variant_ty(&dag).expect("ctor");
-        let mut matched = 0usize;
-        for element in elements {
-            let FieldValue::Variant {
-                constructor,
-                payload,
-            } = element
-            else {
-                continue;
-            };
-            if *constructor != integer_primitive_ctor {
-                continue;
-            }
-            let FieldValue::Variant { constructor: a, .. } = &payload[1] else {
-                continue;
-            };
-            let FieldValue::Variant { constructor: c, .. } = &payload[2] else {
-                continue;
-            };
-            if *a == witness.algebra_variant_ty && *c == witness.carrier_variant_ty {
-                matched += 1;
-            }
-        }
-        assert_eq!(
-            matched, 1,
-            "exactly one grounding IntegerPrimitive row for Int128 witness"
-        );
-    }
-
-    #[test]
-    fn int128_range_lookup_accepts_all_i64_magnitudes() {
-        // i128 row's range covers all i64 magnitudes; reconciliation passes
-        // typical literals through `contains_bigint`.
-        let dag = Dag::new();
-        let int128 = dag
-            .declaration_by_name("Int128")
-            .expect("Int128 in bootstrap")
-            .id;
-        match integer_range_for_decl(&dag, int128) {
-            IntegerRangeLookup::Found(bound) => {
-                assert!(bound.contains_bigint(&BigInt::from(i64::MIN)));
-                assert!(bound.contains_bigint(&BigInt::from(0)));
-                assert!(bound.contains_bigint(&BigInt::from(i64::MAX)));
-            }
-            IntegerRangeLookup::Missing => panic!("expected Found range for Int128, got Missing"),
-            IntegerRangeLookup::Invalid(d) => {
-                panic!("expected Found range for Int128, got Invalid: {d:?}")
-            }
-        }
-    }
-
-    #[test]
-    fn uint8_witness_matches_u8_grounding_row_constructors() {
-        let dag = Dag::new();
-        assert!(
-            dag.diagnostics().is_empty(),
-            "bootstrap diagnostics: {:?}",
-            dag.diagnostics()
-        );
-        let uint8 = dag
-            .declaration_by_name("UInt8")
-            .expect("UInt8 in bootstrap")
-            .id;
-        let witness = integer_routing_witness_for_decl(&dag, uint8).expect("UInt8 witness");
-        let grounding_list = dag.rust_grounding_primitives().expect("grounding list");
-        let ValueBody::List(elements) = grounding_list.value_body.as_ref().expect("list body")
-        else {
-            panic!("expected list");
-        };
-        let integer_primitive_ctor = rust_primitive_integer_variant_ty(&dag).expect("ctor");
-        let mut matched = 0usize;
-        for element in elements {
-            let FieldValue::Variant {
-                constructor,
-                payload,
-            } = element
-            else {
-                continue;
-            };
-            if *constructor != integer_primitive_ctor {
-                continue;
-            }
-            let FieldValue::Variant { constructor: a, .. } = &payload[1] else {
-                continue;
-            };
-            let FieldValue::Variant { constructor: c, .. } = &payload[2] else {
-                continue;
-            };
-            if *a == witness.algebra_variant_ty && *c == witness.carrier_variant_ty {
-                matched += 1;
-            }
-        }
-        assert_eq!(
-            matched, 1,
-            "exactly one grounding IntegerPrimitive row for UInt8 witness"
-        );
-    }
-}
diff --git a/src/v3/compiler/src/integration_rs_wiring_scan.rs b/src/v3/compiler/src/integration_rs_wiring_scan.rs
deleted file mode 100644
index 301e3fc9d5d..00000000000
--- a/src/v3/compiler/src/integration_rs_wiring_scan.rs
+++ /dev/null
@@ -1,362 +0,0 @@
-//! `tests/integration.rs` wiring scanner (Band-C cementing dispatch).
-//!
-//! SG-0 / INVARIANTS P5: hand-authored Rust under `src/v3/compiler/src/` — keep
-//! `EXPECTED_HAND_AUTHORED_NON_TEST` in `tests/integration/sg0_census_test.rs` in lockstep
-//! when adding or retiring paths here.
-//!
-//! **ROADMAP / dissolution:** same **v3 lens capability honesty pass** row as
-//! `src/v3/compiler/tests/integration/common/wiring_scanner_test.rs` in `INVARIANTS.md` § SG-0 —
-//! Band-C `#[path]` / `mod` wiring is enforced without `syn` until reflected integration facts exist.
-//! **Dissolution:** remove this scanner when `tests/integration.rs` cementing module wiring can be
-//! validated structurally (no line-oriented scan). Raw/byte string openers in **Code** return
-//! `Err` so `CementingDispatchMatchesProjection` surfaces a claim failure instead of aborting the runner.
-//!
-//! Lives in the compiler crate so `test_runner` can validate
-//! `#[path = "integration/cementing/<stem>.rs"]` + `mod <stem>;` pairings without
-//! duplicating the scanner across test binaries.
-
-/// `true` when `bytes[i..]` opens a `b"…"`, `br#"…"#`, `r#"…"#`, or `r"…"` literal in
-/// Rust source. The wiring scanner does not model these — return an error if they appear
-/// in `Code` so Band-C ratchets surface `ClaimResult::Fail` instead of aborting.
-fn code_opens_raw_or_byte_string_literal(bytes: &[u8], i: usize) -> bool {
-    match bytes.get(i) {
-        Some(b'b') => {
-            if bytes.get(i + 1) == Some(&b'"') {
-                return true;
-            }
-            if bytes.get(i + 1) == Some(&b'r') {
-                let mut j = i + 2;
-                while bytes.get(j) == Some(&b'#') {
-                    j += 1;
-                }
-                return bytes.get(j) == Some(&b'"');
-            }
-            false
-        }
-        Some(b'r') => {
-            let mut j = i + 1;
-            while bytes.get(j) == Some(&b'#') {
-                j += 1;
-            }
-            bytes.get(j) == Some(&b'"')
-        }
-        _ => false,
-    }
-}
-
-/// Byte index after the last byte of a Rust escape sequence starting at `backslash`
-/// (`bytes[backslash] == b'\\'`). Matches suffix forms used in character and byte
-/// literals (`\n`, `\t`, `\xNN`, `\u{…}`, …). Unicode escapes use **only** the braced
-/// `\u{…}` form in modern Rust; there is no separate `\uXXXX` tail to scan.
-fn integration_rs_escape_sequence_end(bytes: &[u8], backslash: usize) -> usize {
-    debug_assert_eq!(bytes.get(backslash), Some(&b'\\'));
-    let i = backslash + 1;
-    if i >= bytes.len() {
-        return bytes.len();
-    }
-    match bytes[i] {
-        b'x' => (backslash + 4).min(bytes.len()),
-        b'u' if bytes.get(i + 1) == Some(&b'{') => {
-            let mut j = i + 2;
-            while j < bytes.len() && bytes[j] != b'}' {
-                j += 1;
-            }
-            (j + 1).min(bytes.len())
-        }
-        _ => (backslash + 2).min(bytes.len()),
-    }
-}
-
-#[derive(Clone, Copy, PartialEq, Eq)]
-enum IntegrationRsScan {
-    Code,
-    LineComment,
-    BlockComment(u32),
-    String,
-    /// Inside `b'…'` after consuming the `b'` prefix.
-    ByteCharLiteral,
-    /// Inside `'…'` after consuming the opening `'`.
-    CharLiteral,
-}
-
-fn integration_rs_reject_raw_string_in_code(bytes: &[u8], i: usize) -> Result<(), String> {
-    if code_opens_raw_or_byte_string_literal(bytes, i) {
-        return Err(format!(
-            "integration_rs wiring scan: raw/byte string literal at byte offset {i} \
-             (e.g. r\"…\", r#\"…\"#, b\"…\", br#\"…\"#). Extend IntegrationRsScan before scanning this file."
-        ));
-    }
-    Ok(())
-}
-
-/// Byte offsets of `needle` in `integration_rs` that occur in **Code** (outside
-/// `//`, `/* */`, `"…"` strings, `b'…'` byte literals, and `'…'` character literals).
-/// Lifetimes and labels (`'a`, `'static`) are skipped without entering string/literal
-/// states. See [`integration_rs_active_line_contains`].
-fn integration_rs_code_substring_positions(
-    integration_rs: &str,
-    needle: &str,
-) -> Result<Vec<usize>, String> {
-    let mut hits = Vec::new();
-    if needle.is_empty() {
-        hits.push(0);
-        return Ok(hits);
-    }
-    let bytes = integration_rs.as_bytes();
-    let mut i = 0usize;
-    let mut state = IntegrationRsScan::Code;
-
-    while i < bytes.len() {
-        match state {
-            IntegrationRsScan::Code => {
-                integration_rs_reject_raw_string_in_code(bytes, i)?;
-                if bytes[i] == b'/' && i + 1 < bytes.len() {
-                    if bytes[i + 1] == b'/' {
-                        state = IntegrationRsScan::LineComment;
-                        i += 2;
-                        continue;
-                    }
-                    if bytes[i + 1] == b'*' {
-                        state = IntegrationRsScan::BlockComment(1);
-                        i += 2;
-                        continue;
-                    }
-                }
-                if bytes.get(i) == Some(&b'b') && bytes.get(i + 1) == Some(&b'\'') {
-                    state = IntegrationRsScan::ByteCharLiteral;
-                    i += 2;
-                    continue;
-                }
-                if bytes[i] == b'\'' {
-                    if bytes.get(i + 1) == Some(&b'\\') {
-                        state = IntegrationRsScan::CharLiteral;
-                        i += 1;
-                        continue;
-                    }
-                    if let Some(rest) = integration_rs.get(i + 1..) {
-                        let mut chars = rest.chars();
-                        if let Some(c) = chars.next() {
-                            let after_char = i + 1 + c.len_utf8();
-                            if bytes.get(after_char) == Some(&b'\'') {
-                                i = after_char + 1;
-                                continue;
-                            }
-                        }
-                    }
-                    i += 1;
-                    while i < bytes.len() && (bytes[i].is_ascii_alphanumeric() || bytes[i] == b'_')
-                    {
-                        i += 1;
-                    }
-                    continue;
-                }
-                if bytes[i] == b'"' {
-                    state = IntegrationRsScan::String;
-                    i += 1;
-                    continue;
-                }
-                if integration_rs[i..].starts_with(needle) {
-                    hits.push(i);
-                }
-                i += 1;
-            }
-            IntegrationRsScan::LineComment => {
-                if bytes[i] == b'\n' {
-                    state = IntegrationRsScan::Code;
-                }
-                i += 1;
-            }
-            IntegrationRsScan::BlockComment(depth) => {
-                if bytes[i] == b'/' && i + 1 < bytes.len() && bytes[i + 1] == b'*' {
-                    state = IntegrationRsScan::BlockComment(depth + 1);
-                    i += 2;
-                    continue;
-                }
-                if bytes[i] == b'*' && i + 1 < bytes.len() && bytes[i + 1] == b'/' {
-                    let d = depth - 1;
-                    i += 2;
-                    state = if d == 0 {
-                        IntegrationRsScan::Code
-                    } else {
-                        IntegrationRsScan::BlockComment(d)
-                    };
-                    continue;
-                }
-                i += 1;
-            }
-            IntegrationRsScan::String => match bytes[i] {
-                b'\\' => {
-                    i = (i + 2).min(bytes.len());
-                }
-                b'"' => {
-                    i += 1;
-                    state = IntegrationRsScan::Code;
-                }
-                _ => {
-                    i += 1;
-                }
-            },
-            IntegrationRsScan::ByteCharLiteral => {
-                if bytes.get(i) == Some(&b'\\') {
-                    i = integration_rs_escape_sequence_end(bytes, i);
-                } else {
-                    i += 1;
-                }
-                if bytes.get(i) == Some(&b'\'') {
-                    i += 1;
-                }
-                state = IntegrationRsScan::Code;
-            }
-            IntegrationRsScan::CharLiteral => {
-                if bytes.get(i) == Some(&b'\\') {
-                    i = integration_rs_escape_sequence_end(bytes, i);
-                } else if let Some(rest) = integration_rs.get(i..) {
-                    let mut ci = rest.chars();
-                    if let Some(c) = ci.next() {
-                        i += c.len_utf8();
-                    } else {
-                        state = IntegrationRsScan::Code;
-                        continue;
-                    }
-                } else {
-                    state = IntegrationRsScan::Code;
-                    continue;
-                }
-                if bytes.get(i) == Some(&b'\'') {
-                    i += 1;
-                }
-                state = IntegrationRsScan::Code;
-            }
-        }
-    }
-    Ok(hits)
-}
-
-/// Consume one outer `#[ … ]` attribute (handles quoted `"` regions and nested `[` `]`).
-fn skip_rust_attribute(s: &str) -> Option<&str> {
-    if !s.starts_with("#[") {
-        return None;
-    }
-    let bytes = s.as_bytes();
-    let mut i = 1usize;
-    let mut depth = 0usize;
-    let mut in_string = false;
-    let mut escape = false;
-    while i < bytes.len() {
-        let b = bytes[i];
-        if in_string {
-            if escape {
-                escape = false;
-                i += 1;
-                continue;
-            }
-            if b == b'\\' {
-                escape = true;
-                i += 1;
-                continue;
-            }
-            if b == b'"' {
-                in_string = false;
-            }
-            i += 1;
-            continue;
-        }
-        match b {
-            b'"' => {
-                in_string = true;
-                i += 1;
-            }
-            b'[' => {
-                depth += 1;
-                i += 1;
-            }
-            b']' => {
-                depth = depth.saturating_sub(1);
-                i += 1;
-                if depth == 0 {
-                    return Some(&s[i..]);
-                }
-            }
-            _ => {
-                i += 1;
-            }
-        }
-    }
-    None
-}
-
-/// After a `#[path = "integration/cementing/<stem>.rs"]` attribute in Code, the next
-/// Rust item must be `mod <stem>;` (optionally separated by whitespace, newlines, or
-/// additional `#[…]` attributes).
-fn mod_decl_follows_cementing_path_tail(mut tail: &str, stem: &str) -> bool {
-    let prefix = format!("mod {stem}");
-    loop {
-        tail = tail.trim_start();
-        if tail.is_empty() {
-            return false;
-        }
-        if tail.starts_with("#[") {
-            let Some(rest) = skip_rust_attribute(tail) else {
-                return false;
-            };
-            tail = rest;
-            continue;
-        }
-        if !tail.starts_with(&prefix) {
-            return false;
-        }
-        let after_prefix = &tail[prefix.len()..];
-        if after_prefix
-            .chars()
-            .next()
-            .is_some_and(|c| c.is_ascii_alphanumeric() || c == '_')
-        {
-            // e.g. `mod stem` must not match `mod stem_extra`.
-            return false;
-        }
-        let after = after_prefix.trim_start();
-        return after.starts_with(';');
-    }
-}
-
-/// `true` when `integration_rs` contains `#[path = "integration/cementing/<stem>.rs"]`
-/// in **Code** and that attribute is immediately followed (per
-/// [`mod_decl_follows_cementing_path_tail`]) by `mod <stem>;`.
-///
-/// This is stricter than substring checks for `#[path]` and `mod` separately — it
-/// rejects a mismatched `#[path]` on one module paired with a stray `mod <stem>;`
-/// elsewhere (`TESTING.md` Band-C dispatch).
-pub fn integration_rs_cementing_path_attr_binds_mod_stem(
-    integration_rs: &str,
-    stem: &str,
-) -> Result<bool, String> {
-    let path_attr = format!(r#"#[path = "integration/cementing/{stem}.rs"]"#);
-    for pos in integration_rs_code_substring_positions(integration_rs, &path_attr)? {
-        let Some(tail) = integration_rs.get(pos + path_attr.len()..) else {
-            continue;
-        };
-        if mod_decl_follows_cementing_path_tail(tail, stem) {
-            return Ok(true);
-        }
-    }
-    Ok(false)
-}
-
-/// True when `needle` appears in `integration_rs` **outside** Rust line comments
-/// (`//` … including `///` / `//!`), **nested** block comments (`/* … */`), normal
-/// `"…"` string literals, `b'…'` byte character literals, and `'…'` character
-/// literals (excluding lifetimes / labels such as `'a` or `'static`).
-///
-/// Band-C wiring ratchets use this so `#[path = …]` / `mod …;` matches cannot
-/// false-green on commented-out or string-embedded copies. Needles are ASCII
-/// (`#[path`, `mod foo`); the scan is byte-oriented on UTF-8 boundaries.
-///
-/// **Not handled:** raw strings (`r#"…"#`), byte strings (`b"…"`, `br#"…"#`). If those appear in
-/// scanned **Code**, this returns `Err` with an explicit message (so `TestPredicate` callers can
-/// map to `ClaimResult::Fail`) until `IntegrationRsScan` is widened for those forms.
-pub fn integration_rs_active_line_contains(
-    integration_rs: &str,
-    needle: &str,
-) -> Result<bool, String> {
-    Ok(!integration_rs_code_substring_positions(integration_rs, needle)?.is_empty())
-}
diff --git a/src/v3/compiler/src/lens_cost_target_realization_generated.rs b/src/v3/compiler/src/lens_cost_target_realization_generated.rs
deleted file mode 100644
index 75f3e354341..00000000000
--- a/src/v3/compiler/src/lens_cost_target_realization_generated.rs
+++ /dev/null
@@ -1,27 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/cost_target_realization.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-pub fn type_realization_meta(p0: &Dag) -> Option<Declaration> {
-    (p0).declaration_by_name(&(String::from("TypeRealization")))
-        .cloned()
-}
-pub fn callable_realization_meta(p0: &Dag) -> Option<Declaration> {
-    (p0).declaration_by_name(&(String::from("CallableRealization")))
-        .cloned()
-}
-pub fn operator_realization_meta(p0: &Dag) -> Option<Declaration> {
-    (p0).declaration_by_name(&(String::from("OperatorRealization")))
-        .cloned()
-}
-pub fn behavior_realization_meta(p0: &Dag) -> Option<Declaration> {
-    (p0).declaration_by_name(&(String::from("BehaviorRealization")))
-        .cloned()
-}
-pub fn type_instantiation_realization_meta(p0: &Dag) -> Option<Declaration> {
-    (p0).declaration_by_name(&(String::from("TypeInstantiationRealization")))
-        .cloned()
-}
-pub fn pattern_realization_meta(p0: &Dag) -> Option<Declaration> {
-    (p0).declaration_by_name(&(String::from("PatternRealization")))
-        .cloned()
-}
diff --git a/src/v3/compiler/src/lens_declaration_apply.rs b/src/v3/compiler/src/lens_declaration_apply.rs
deleted file mode 100644
index 9c0489a9cc7..00000000000
--- a/src/v3/compiler/src/lens_declaration_apply.rs
+++ /dev/null
@@ -1,2926 +0,0 @@
-//! Bounded lens application (T-LensAPI / D1): interpret `ArrowBody::UserDefined` graphs
-//! over substrate-shaped [`FieldValue`] — no whole-claim operator recognizers.
-//!
-//! **R3 gate #5 (`lens_apply_dot_rs_retired`):** the legacy path
-//! `src/v3/compiler/src/lens_apply.rs` is **retired** (path absent from the tree).
-//! Bounded lens application and `lens_testgen` live here until PB-Runtime / Row-4
-//! readiness dissolves the host shim, per `docs/r3-program-plan.md` §1.8 and
-//! `INVARIANTS` P5(b) deferral language on the tracking PR.
-
-use std::collections::{HashMap, HashSet};
-use std::str::FromStr;
-
-use num_bigint::BigInt;
-
-use crate::dag::{
-    literal_bits_int, ArrowBody, AtomPayload, Behavior, BindNode, BranchNode, BranchPattern, Dag,
-    Declaration, DeclarationId, FieldValue, LiteralBits, OperatorKind, PortId, ProducerLookup,
-    TransformNode, TransformTarget, TypeConnective, ValueBody,
-};
-use crate::evaluator::{
-    evaluate_body, EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder, Value,
-};
-use crate::infer_helpers::resolve_template_argument_value;
-
-fn is_fold_instantiation(dag: &Dag, decl: &Declaration) -> bool {
-    matches!(
-        &decl.connective,
-        TypeConnective::Instantiation { template, .. }
-            if dag.std_list_fold_decl() == Some(*template)
-    )
-}
-
-const LENS_APPLY_TYPE_WALK_DEPTH: usize = 32;
-
-/// Structural eligibility for the monomorphized `std.list.fold` → [`eval_fold_step`] fast path.
-///
-/// `eval_fold_step` / `eval_std_fold` are type-erased over accumulator and element shape: they
-/// bind acc/elt as opaque [`FieldValue`] to the step `Bind`'s last two params and walk the step
-/// body via [`EvalCtx::eval_port`]. The interpretability constraint therefore lives on the step
-/// body's transitive [`Behavior`] reachability, not on the resolved type arguments. A step body
-/// is eligible iff every reachable producer is one the bounded interpreter can evaluate:
-/// [`Behavior::Loop`], non-`UserDefined` [`ArrowBody`], parameterized `Bind` producers, and
-/// logical operators are all rejected as fail-closed (matching the interpreter's own
-/// [`LensApplyError::UnimplementedLoopBound`] / [`LensApplyError::UnsupportedConstruct`] paths).
-///
-/// **Dissolution trigger:** delete this predicate when `eval_loop` and the rejected
-/// `Behavior::Bind` / `Logical` paths gain bounded semantics — at that point every fold step
-/// body is interpretable and the eligibility gate is vacuous.
-fn step_body_eligible_for_bounded_eval(dag: &Dag, step_bind: &BindNode) -> bool {
-    let mut visited: HashSet<DeclarationId> = HashSet::new();
-    eligibility_walk_port(dag, step_bind.value, &mut visited, 0)
-}
-
-fn eligibility_walk_port(
-    dag: &Dag,
-    port: PortId,
-    visited: &mut HashSet<DeclarationId>,
-    depth: usize,
-) -> bool {
-    if depth >= LENS_APPLY_TYPE_WALK_DEPTH {
-        return false;
-    }
-    // Parameter ports (acc/elt of the step `Bind`, formals of any callable we walk into)
-    // have no producer — they're bound by the interpreter at evaluation time. Treat as
-    // eligible; only producer-backed nodes contribute interpretability constraints.
-    // Malformed-substrate states (MissingPort / MissingNode / BindCycle) fail-closed:
-    // INVARIANTS P3 forbids collapsing them into the legitimate-absence path.
-    let producer = match dag.resolve_producer_lookup(&port) {
-        ProducerLookup::NoProducer => return true,
-        ProducerLookup::Found(b) => b,
-        ProducerLookup::MissingPort { .. }
-        | ProducerLookup::MissingNode { .. }
-        | ProducerLookup::BindCycle { .. } => return false,
-    };
-    match producer {
-        Behavior::Value(_) => true,
-        Behavior::Transform(t) => eligibility_walk_transform(dag, t, visited, depth + 1),
-        Behavior::Branch(b) => eligibility_walk_branch(dag, b, visited, depth + 1),
-        Behavior::Loop(_) => false,
-        Behavior::Bind(b) => {
-            if !b.params.is_empty() {
-                return false;
-            }
-            eligibility_walk_port(dag, b.value, visited, depth + 1)
-        }
-    }
-}
-
-fn eligibility_walk_transform(
-    dag: &Dag,
-    t: &TransformNode,
-    visited: &mut HashSet<DeclarationId>,
-    depth: usize,
-) -> bool {
-    for input in &t.inputs {
-        if !eligibility_walk_port(dag, *input, visited, depth + 1) {
-            return false;
-        }
-    }
-    match &t.target {
-        TransformTarget::Operator(OperatorKind::Logical(_)) => false,
-        TransformTarget::Operator(_)
-        | TransformTarget::UnresolvedFieldProject { .. }
-        | TransformTarget::ResolvedFieldProject { .. } => true,
-        TransformTarget::Callable(callee) => {
-            eligibility_walk_callable(dag, *callee, visited, depth + 1)
-        }
-    }
-}
-
-fn eligibility_walk_branch(
-    dag: &Dag,
-    b: &BranchNode,
-    visited: &mut HashSet<DeclarationId>,
-    depth: usize,
-) -> bool {
-    if !eligibility_walk_port(dag, b.input, visited, depth + 1) {
-        return false;
-    }
-    for path in &b.paths {
-        match &path.pattern {
-            BranchPattern::ResolvedVariant(_) => {}
-            BranchPattern::UnresolvedVariant { .. } => return false,
-        }
-        if !eligibility_walk_port(dag, path.output, visited, depth + 1) {
-            return false;
-        }
-    }
-    true
-}
-
-fn eligibility_walk_callable(
-    dag: &Dag,
-    callee: DeclarationId,
-    visited: &mut HashSet<DeclarationId>,
-    depth: usize,
-) -> bool {
-    if depth >= LENS_APPLY_TYPE_WALK_DEPTH {
-        return false;
-    }
-    if !visited.insert(callee) {
-        return true;
-    }
-    let decl = dag.declaration(callee);
-    match &decl.connective {
-        TypeConnective::Instantiation { template, .. } => {
-            // Nested `std.list.fold` instantiations: the interpreter dispatches the same
-            // bounded path recursively, so eligibility is conditional on the inner step body.
-            // For now any nested fold is treated as ineligible — its step body would need to
-            // be located via `find_fold_step_bind_via_instantiation`, which is the same shape
-            // recursion this predicate already walks at the outer call site.
-            if dag.std_list_fold_decl() == Some(*template) {
-                return false;
-            }
-            eligibility_walk_callable(dag, *template, visited, depth + 1)
-        }
-        TypeConnective::Arrow { body, .. } => {
-            let ArrowBody::UserDefined(root) = body else {
-                return false;
-            };
-            let b = (*root).bind(dag);
-            eligibility_walk_port(dag, b.value, visited, depth + 1)
-        }
-        _ => false,
-    }
-}
-
-fn declaration_is_callable_type(dag: &Dag, current: DeclarationId, depth: usize) -> bool {
-    if depth >= LENS_APPLY_TYPE_WALK_DEPTH {
-        return false;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Arrow { .. } => true,
-        TypeConnective::Instantiation { template, .. } => {
-            declaration_is_callable_type(dag, *template, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            declaration_is_callable_type(dag, *next, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::TypeParam(_))
-        | TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Cardinality(_) => false,
-    }
-}
-
-/// Arrow formals of `std.list.fold` whose types are callable — the step `f` slot.
-fn fold_template_callable_formals(dag: &Dag, fold_template: DeclarationId) -> Vec<DeclarationId> {
-    let decl = dag.declaration(fold_template);
-    let TypeConnective::Arrow { inputs, .. } = &decl.connective else {
-        return Vec::new();
-    };
-    inputs
-        .iter()
-        .copied()
-        .filter(|&i| declaration_is_callable_type(dag, i, 0))
-        .collect()
-}
-
-/// Peel `Instantiation` carriers (same contract as [`LensInterpreter::eval_callable`]) until an
-/// `Arrow` with `UserDefined` body; return the root `Bind` when it has ≥2 params (step closure).
-fn monomorph_callable_bind_root(dag: &Dag, mut decl_id: DeclarationId) -> Option<&BindNode> {
-    for _ in 0..LENS_APPLY_TYPE_WALK_DEPTH {
-        let decl = dag.declaration(decl_id);
-        match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => {
-                if dag.std_list_fold_decl() == Some(*template) {
-                    return None;
-                }
-                decl_id = *template;
-            }
-            TypeConnective::Arrow { body, .. } => {
-                let ArrowBody::UserDefined(root) = body else {
-                    return None;
-                };
-                let b = (*root).bind(dag);
-                return (b.params.len() >= 2).then_some(b);
-            }
-            _ => return None,
-        }
-    }
-    None
-}
-
-/// Locate the `|acc, x|` step closure lowered as a two-parameter `Bind` for this `fold` site.
-///
-/// Walk `Instantiation.arguments` on the monomorphized fold callee — substrate `DeclarationId`
-/// keyed to the template's callable formal — then resolve the step `Arrow` root `Bind`. Matches
-/// builder/runtime arity: the step is not a `Transform` input port. No span-overlap recovery —
-/// that would not be a declared substrate dependency (Facts Flow Forward).
-///
-/// **Dissolution:** attach the step as an explicit `Transform` input / behavior edge and delete
-/// this `Instantiation`-walk indirection when lowering guarantees a direct edge.
-fn find_fold_step_bind_via_instantiation(
-    dag: &Dag,
-    fold_callable_id: DeclarationId,
-) -> Option<&BindNode> {
-    let decl = dag.declaration(fold_callable_id);
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &decl.connective
-    else {
-        return None;
-    };
-    if dag.std_list_fold_decl() != Some(*template) {
-        return None;
-    }
-    let formals = fold_template_callable_formals(dag, *template);
-    let depth_budget = LENS_APPLY_TYPE_WALK_DEPTH as i64;
-
-    for arg in arguments {
-        let resolved = resolve_template_argument_value(&depth_budget, arguments, arg.value);
-        let Some(b) = monomorph_callable_bind_root(dag, resolved) else {
-            continue;
-        };
-        if formals.contains(&arg.parameter) {
-            return Some(b);
-        }
-    }
-    None
-}
-
-/// WIP gate #2374: R2 evaluator path for lenses whose **runtime inputs are scalar literals only**
-/// (`FieldValue::Literal`). Matches PB-runtime-shaped `evaluate` / `evaluate_body` semantics on the
-/// lowered lens graph; falls back to [`EvalCtx`] when preconditions fail or evaluation returns a
-/// non-literal `Value` this bridge cannot yet map back to [`FieldValue`].
-///
-/// **ProducerLookup discipline:** `ProducerLookup::NoProducer` may fall through to [`EvalCtx`]
-/// (`Ok(None)`). Malformed-substrate variants (`MissingPort`, `MissingNode`, `BindCycle`) fail
-/// closed as [`LensApplyError`] — they must not collapse into the same silent fallback as legitimate
-/// absence (INVARIANTS P2/P3). Evaluator frame/build failures and [`evaluate_body`] errors still
-/// return `Ok(None)` so [`EvalCtx`] can recover typed diagnostics (overflow, branch miss, loops).
-///
-/// **Not full PB-Runtime retirement:** This helper does **not** complete the Row-4 /
-/// interpreter-as-data dissolution by itself; canonical shrink of this module waits on
-/// §7.1 receipts. Expand coverage until the bounded-lens host can delete entirely.
-///
-/// **Merge:** still gated on §7.1 Row-4 green; this is early signal only.
-fn try_apply_lens_via_evaluator_literals_only(
-    lens_program: &Dag,
-    root_bind: &BindNode,
-    inputs: &[FieldValue],
-) -> Result<Option<FieldValue>, LensApplyError> {
-    if !inputs.iter().all(|a| matches!(a, FieldValue::Literal(_))) {
-        return Ok(None);
-    }
-    let producer = match lens_program.resolve_producer_lookup(&root_bind.value) {
-        ProducerLookup::Found(b) => b,
-        ProducerLookup::NoProducer => return Ok(None),
-        ProducerLookup::MissingPort { .. } => return Err(LensApplyError::UnresolvedPort),
-        ProducerLookup::MissingNode { .. } | ProducerLookup::BindCycle { .. } => {
-            return Err(LensApplyError::MalformedLensRoot);
-        }
-    };
-    let entry = producer.id();
-    let bindings: Vec<(PortId, Value)> = root_bind
-        .params
-        .iter()
-        .zip(inputs.iter())
-        .map(|(p, fv)| {
-            let FieldValue::Literal(bits) = fv else {
-                unreachable!("filtered to literals above")
-            };
-            (*p, Value::LiteralValue(bits.clone()))
-        })
-        .collect();
-    let frame = match EvalFrame::from_bindings(bindings) {
-        Ok(f) => f,
-        Err(_) => return Ok(None),
-    };
-    let mut state = EvalStateStack::with_root_frame(frame);
-    let strategy = EvalStrategy::ApplicativeOrder {
-        input_order: InputEvaluationOrder::LeftFirst,
-    };
-    let out = match evaluate_body(lens_program, entry, &mut state, strategy) {
-        Ok(v) => v,
-        Err(_) => return Ok(None),
-    };
-    match out {
-        Value::LiteralValue(bits) => Ok(Some(FieldValue::Literal(bits))),
-        _ => Ok(None),
-    }
-}
-
-/// Apply a named lens (`Arrow` + `UserDefined` body) from `lens_program` to positional
-/// `inputs` (left-to-right with the arrow's formal parameters).
-///
-/// When `program_under_test` is `Some`, the R3 fixture lens `auto_loop_parallelism_pending_lens`
-/// is evaluated natively against that DAG (iteration-parallelism indicator) so the result is
-/// derived from substrate `lane2_workflow` installed during [`crate::compile_to_dag`], not from
-/// out-of-band test-runner mutation.
-///
-/// **Db18 deviation:** this reads `lane2_workflow` that may have been staged by
-/// [`crate::r3_fc_lane2_loop_witness`] from a magic comment — a parallel authority to lowering until
-/// the loop workflow is authored from surface syntax. Budget + dissolution: `ROADMAP.md` §"R3
-/// second-batch auto-loop scaffold"; SG-0 pairing class **(b)** on census-touching PRs.
-pub fn apply_lens_declaration(
-    lens_program: &Dag,
-    program_under_test: Option<&Dag>,
-    lens_decl_id: DeclarationId,
-    inputs: &[FieldValue],
-) -> Result<FieldValue, LensApplyError> {
-    let decl = lens_program.declaration(lens_decl_id);
-    if let Some(pu) = program_under_test {
-        if decl.name.as_deref() == Some("auto_loop_parallelism_pending_lens") && inputs.len() == 1 {
-            let v = pu
-                .workflow_lane2_subject()
-                .map(|subject| crate::loop_iteration_parallel_emission_indicator(pu, subject))
-                .unwrap_or(0);
-            return Ok(FieldValue::Literal(LiteralBits::Int(v.to_string())));
-        }
-    }
-    let TypeConnective::Arrow {
-        inputs: param_tys,
-        output: _,
-        body,
-    } = &decl.connective
-    else {
-        return Err(LensApplyError::NotAnArrow);
-    };
-    let ArrowBody::UserDefined(root) = body else {
-        return Err(LensApplyError::UnsupportedArrowBody);
-    };
-    if param_tys.len() != inputs.len() {
-        return Err(LensApplyError::ArityMismatch {
-            expected: param_tys.len(),
-            got: inputs.len(),
-        });
-    }
-    let root_bind = (*root).bind(lens_program);
-    if root_bind.params.len() != inputs.len() {
-        return Err(LensApplyError::ArityMismatch {
-            expected: root_bind.params.len(),
-            got: inputs.len(),
-        });
-    }
-    // Reflection (`program_under_test: Some`) supplies rich `FieldValue` shapes the literals-only
-    // evaluator bridge cannot encode yet — keep `EvalCtx` there until the retirement slice widens.
-    if program_under_test.is_none() {
-        if let Some(out) =
-            try_apply_lens_via_evaluator_literals_only(lens_program, root_bind, inputs)?
-        {
-            return Ok(out);
-        }
-    }
-    let mut ctx = EvalCtx::new(lens_program);
-    for (port, arg) in root_bind.params.iter().zip(inputs.iter()) {
-        ctx.bind_top(*port, arg.clone());
-    }
-    ctx.eval_port(root_bind.value)
-}
-
-/// Build a substrate-shaped `Dag` record (only `nodes` is populated faithfully) from a
-/// compiled program [`Dag`], for lenses like `named_function_count` that read `d.nodes`.
-///
-/// Reflection is **complete** per [`docs/design-reflection-completeness.md`](../../docs/design-reflection-completeness.md):
-/// every substrate-declared field on each [`Behavior`] variant (and nested carriers such as
-/// [`WorkflowEffect`]) projects into [`FieldValue`] with no per-consumer narrowing and no
-/// execution semantics (structural `NodeId` / `PortId` references are not followed into
-/// callee bodies).
-///
-/// `source_file` limits nodes to those authored in that compilation unit (the merged
-/// bootstrap graph also lives in the same [`Dag`]).
-///
-/// **`id_space` (INVARIANTS P2):** `List` / `Behavior` variant [`DeclarationId`]s in the
-/// returned [`FieldValue`] are taken from `id_space` — the same [`Dag`] you pass to
-/// [`apply_lens_declaration`] for the lens under test. Shapes still come from `program`'s
-/// lowered [`Behavior`] nodes (filtered by `source_file`). Pass `program` for both when the
-/// lens and claim program share one compile; pass the canonical lens `Dag` as `id_space`
-/// when applying `named_function_count` from the same bytes as `build.rs` splices while
-/// reflecting nodes from the claim program.
-pub fn reflect_program_dag_nodes_in_file(
-    program: &Dag,
-    source_file: &str,
-    id_space: &Dag,
-) -> Result<FieldValue, LensApplyError> {
-    let nodes: Vec<Behavior> = program
-        .nodes()
-        .iter()
-        .filter(|b| behavior_source_file(b) == source_file)
-        .cloned()
-        .collect();
-    let nodes = substrate_reflection::reflect_behavior_list(id_space, &nodes)?;
-    Ok(FieldValue::Record(vec![("nodes".to_string(), nodes)]))
-}
-
-/// Empty `std.list` spine (`Empty` variant) in the substrate shape expected by `fold`.
-pub fn empty_substrate_list_value(dag: &Dag) -> Result<FieldValue, LensApplyError> {
-    let (empty_id, _) = v3_list_empty_cons_ids(dag)?;
-    Ok(FieldValue::Variant {
-        constructor: empty_id,
-        payload: vec![],
-    })
-}
-
-fn behavior_source_file(behavior: &Behavior) -> &str {
-    match behavior {
-        Behavior::Value(v) => v.span.file.as_str(),
-        Behavior::Transform(t) => t.span.file.as_str(),
-        Behavior::Branch(b) => b.span.file.as_str(),
-        Behavior::Loop(l) => l.span.file.as_str(),
-        Behavior::Bind(b) => b.span.file.as_str(),
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum LensApplyError {
-    NotAnArrow,
-    UnsupportedArrowBody,
-    ArityMismatch {
-        expected: usize,
-        got: usize,
-    },
-    MalformedLensRoot,
-    UnsupportedConstruct(&'static str),
-    TypeMismatch(&'static str),
-    UnresolvedPort,
-    UnresolvedBranchPattern,
-    UnimplementedCallable(String),
-    UnimplementedLoopBound,
-    BranchMiss,
-    BadFieldProject,
-    BadListShape,
-    MissingType(&'static str),
-    MissingValueBody,
-    /// PR-E: reserved for fold-driver paths that are not yet delegated to
-    /// [`apply_lens_declaration`] (e.g. `DimensionReport` / lens-instance carriers).
-    /// Per Q-Reification Option-A (Dag IS the reflected program), the historical
-    /// `fold_lens_over_reflected_program` reflect-then-apply driver has been retired;
-    /// callers go through [`apply_lens_declaration`] directly.
-    UnimplementedLensFold,
-    /// Substrate → [`FieldValue`] reflection failed (missing sum/variant wiring in id_space).
-    SubstrateReflect(&'static str),
-}
-
-impl From<substrate_reflection::ReflectError> for LensApplyError {
-    fn from(e: substrate_reflection::ReflectError) -> Self {
-        LensApplyError::SubstrateReflect(e.0)
-    }
-}
-
-/// Lower a declaration [`ValueBody`] into the structural [`FieldValue`] carrier used by the
-/// lens interpreter.
-///
-/// `fixture_dag` is the graph that will own [`DeclarationId`] edges once structural bodies carry
-/// resolvable `Reference` payloads through this helper; today only scalar + shallow structural
-/// clone paths are implemented (no `fixture_dag` lookup yet).
-pub fn field_value_from_value_body(
-    #[allow(unused_variables)] fixture_dag: &Dag,
-    body: &ValueBody,
-) -> Result<FieldValue, LensApplyError> {
-    match body {
-        ValueBody::Scalar(bits) => Ok(FieldValue::Literal(bits.clone())),
-        ValueBody::Structural { fields } => {
-            let mut out = Vec::with_capacity(fields.len());
-            for (label, fv) in fields {
-                out.push((label.clone(), fv.clone()));
-            }
-            Ok(FieldValue::Record(out))
-        }
-        ValueBody::List(values) => Ok(FieldValue::List(values.clone())),
-        ValueBody::Map(entries) => Ok(FieldValue::Map(entries.clone())),
-        ValueBody::Unparsed(_) => Err(LensApplyError::UnsupportedConstruct(
-            "unparsed declaration value body",
-        )),
-    }
-}
-
-/// Frame-based evaluation context for D1 lens interpretation.
-///
-/// **Complexity / cloning:** port lookups use [`FieldValue::clone`] and list walks
-/// clone elements deliberately — bounded R1 gate scope; revisit if lenses iterate
-/// over large program DAGs (e.g. T-LaneE).
-struct EvalCtx<'a> {
-    dag: &'a Dag,
-    frames: Vec<HashMap<u32, FieldValue>>,
-}
-
-impl<'a> EvalCtx<'a> {
-    fn new(dag: &'a Dag) -> Self {
-        Self {
-            dag,
-            frames: vec![HashMap::new()],
-        }
-    }
-
-    fn bind_top(&mut self, port: PortId, value: FieldValue) {
-        self.frames
-            .last_mut()
-            .expect("root frame")
-            .insert(port.raw(), value);
-    }
-
-    fn lookup(&self, port: PortId) -> Option<FieldValue> {
-        self.frames
-            .iter()
-            .rev()
-            .find_map(|m| m.get(&port.raw()).cloned())
-    }
-
-    fn bind_current(&mut self, port: PortId, value: FieldValue) {
-        self.frames
-            .last_mut()
-            .expect("frame")
-            .insert(port.raw(), value);
-    }
-
-    fn push_frame(&mut self) {
-        self.frames.push(HashMap::new());
-    }
-
-    fn pop_frame(&mut self) {
-        self.frames.pop();
-        if self.frames.is_empty() {
-            panic!("EvalCtx: popped root frame");
-        }
-    }
-
-    fn eval_port(&mut self, port: PortId) -> Result<FieldValue, LensApplyError> {
-        if let Some(v) = self.lookup(port) {
-            return Ok(v);
-        }
-        let producer = self
-            .dag
-            .resolve_producer_opt(&port)
-            .ok_or(LensApplyError::UnresolvedPort)?;
-        let out = match producer {
-            Behavior::Value(v) => FieldValue::Literal(v.data.clone()),
-            Behavior::Transform(t) => self.eval_transform(t)?,
-            Behavior::Branch(b) => self.eval_branch(b, port)?,
-            Behavior::Loop(l) => self.eval_loop(l)?,
-            Behavior::Bind(b) => {
-                // Only top-level lens roots (`apply_lens_declaration`) and fold step
-                // binds (`eval_fold_step` / `eval_std_fold`) supply parameters; inner
-                // parameterized `Bind` producers are not interpreted yet.
-                if b.params.is_empty() {
-                    self.eval_port(b.value)?
-                } else {
-                    return Err(LensApplyError::UnsupportedConstruct(
-                        "non-root function bind as producer",
-                    ));
-                }
-            }
-        };
-        self.bind_current(port, out.clone());
-        Ok(out)
-    }
-
-    fn eval_transform(&mut self, t: &TransformNode) -> Result<FieldValue, LensApplyError> {
-        match &t.target {
-            TransformTarget::Callable(callee) => {
-                let decl = self.dag.declaration(*callee);
-                if is_fold_instantiation(self.dag, decl) && t.inputs.len() == 2 {
-                    if let Some(step_bind) =
-                        find_fold_step_bind_via_instantiation(self.dag, *callee)
-                    {
-                        if step_body_eligible_for_bounded_eval(self.dag, step_bind) {
-                            let list = self.eval_port(t.inputs[0])?;
-                            let init = self.eval_port(t.inputs[1])?;
-                            return self.eval_fold_step(list, init, step_bind);
-                        }
-                    }
-                }
-                self.eval_callable(*callee, &t.inputs)
-            }
-            TransformTarget::Operator(OperatorKind::Arithmetic(op)) => {
-                if t.inputs.len() != 2 {
-                    return Err(LensApplyError::ArityMismatch {
-                        expected: 2,
-                        got: t.inputs.len(),
-                    });
-                }
-                let a = int_from_value(&self.eval_port(t.inputs[0])?)?;
-                let b = int_from_value(&self.eval_port(t.inputs[1])?)?;
-                let n = apply_arithmetic_int(*op, a, b)?;
-                Ok(FieldValue::Literal(LiteralBits::Int(n.to_string())))
-            }
-            TransformTarget::Operator(OperatorKind::Comparison(op)) => {
-                if t.inputs.len() != 2 {
-                    return Err(LensApplyError::ArityMismatch {
-                        expected: 2,
-                        got: t.inputs.len(),
-                    });
-                }
-                let lhs = self.eval_port(t.inputs[0])?;
-                let rhs = self.eval_port(t.inputs[1])?;
-                let out = match (&lhs, &rhs) {
-                    (
-                        FieldValue::Literal(LiteralBits::Int(a)),
-                        FieldValue::Literal(LiteralBits::Int(b)),
-                    ) => {
-                        let ai = BigInt::from_str(a).map_err(|_| {
-                            LensApplyError::TypeMismatch("expected decimal Int literal")
-                        })?;
-                        let bi = BigInt::from_str(b).map_err(|_| {
-                            LensApplyError::TypeMismatch("expected decimal Int literal")
-                        })?;
-                        match op {
-                            crate::dag::ComparisonOp::Eq => ai == bi,
-                            crate::dag::ComparisonOp::Ne => ai != bi,
-                            crate::dag::ComparisonOp::Lt => ai < bi,
-                            crate::dag::ComparisonOp::Le => ai <= bi,
-                            crate::dag::ComparisonOp::Gt => ai > bi,
-                            crate::dag::ComparisonOp::Ge => ai >= bi,
-                        }
-                    }
-                    (
-                        FieldValue::Literal(LiteralBits::String(a)),
-                        FieldValue::Literal(LiteralBits::String(b)),
-                    ) => match op {
-                        crate::dag::ComparisonOp::Eq => a == b,
-                        crate::dag::ComparisonOp::Ne => a != b,
-                        _ => {
-                            return Err(LensApplyError::UnsupportedConstruct(
-                                "string comparison beyond Eq/Ne",
-                            ));
-                        }
-                    },
-                    _ => {
-                        return Err(LensApplyError::UnsupportedConstruct(
-                            "comparison operands must both be Int literals or both String literals",
-                        ));
-                    }
-                };
-                Ok(FieldValue::Literal(LiteralBits::Bool(out)))
-            }
-            TransformTarget::Operator(OperatorKind::Logical(_)) => Err(
-                LensApplyError::UnsupportedConstruct("logical operator in lens apply"),
-            ),
-            TransformTarget::UnresolvedFieldProject { field_label }
-            | TransformTarget::ResolvedFieldProject { field_label } => {
-                if t.inputs.len() != 1 {
-                    return Err(LensApplyError::ArityMismatch {
-                        expected: 1,
-                        got: t.inputs.len(),
-                    });
-                }
-                let base = self.eval_port(t.inputs[0])?;
-                project_field(&base, field_label)
-            }
-        }
-    }
-
-    fn eval_callable(
-        &mut self,
-        callee: DeclarationId,
-        arg_ports: &[PortId],
-    ) -> Result<FieldValue, LensApplyError> {
-        let decl = self.dag.declaration(callee);
-        if self.dag.std_list_fold_decl() == Some(callee) {
-            return self.eval_std_fold(arg_ports);
-        }
-        if let TypeConnective::Instantiation { template, .. } = &decl.connective {
-            // Monomorphized user functions (`count_named_bind`, …) lower as `Instantiation`
-            // carriers; interpretation follows the generic template `Arrow`.
-            if self.dag.std_list_fold_decl() != Some(*template) {
-                return self.eval_callable(*template, arg_ports);
-            }
-        }
-        let name = decl.name.clone().unwrap_or_default();
-        let TypeConnective::Arrow {
-            inputs,
-            output: _,
-            body,
-        } = &decl.connective
-        else {
-            return Err(LensApplyError::UnimplementedCallable(format!(
-                "`{name}` (id={}) is not an evaluated callable arrow",
-                callee.raw()
-            )));
-        };
-        let ArrowBody::UserDefined(root) = body else {
-            return Err(LensApplyError::UnimplementedCallable(format!(
-                "`{name}` has no UserDefined body"
-            )));
-        };
-        if inputs.len() != arg_ports.len() {
-            return Err(LensApplyError::ArityMismatch {
-                expected: inputs.len(),
-                got: arg_ports.len(),
-            });
-        }
-        let b = (*root).bind(self.dag);
-        if b.params.len() != arg_ports.len() {
-            return Err(LensApplyError::ArityMismatch {
-                expected: b.params.len(),
-                got: arg_ports.len(),
-            });
-        }
-        self.push_frame();
-        for (param, arg_port) in b.params.iter().zip(arg_ports.iter()) {
-            let v = self.eval_port(*arg_port)?;
-            self.bind_current(*param, v);
-        }
-        let out = self.eval_port(b.value);
-        self.pop_frame();
-        out
-    }
-
-    fn eval_fold_step(
-        &mut self,
-        list: FieldValue,
-        init: FieldValue,
-        step_bind: &BindNode,
-    ) -> Result<FieldValue, LensApplyError> {
-        let n = step_bind.params.len();
-        if n < 2 {
-            return Err(LensApplyError::ArityMismatch {
-                expected: 2,
-                got: n,
-            });
-        }
-        // Monomorphized `fold` lowers the `|acc, x|` lambda with possible leading
-        // synthesized parameters; the accumulator and element are always the last two
-        // formal parameter ports.
-        let acc_param = step_bind.params[n - 2];
-        let elt_param = step_bind.params[n - 1];
-        let mut acc = init;
-        for elt in list_elements(self.dag, &list)? {
-            self.push_frame();
-            self.bind_current(acc_param, acc);
-            self.bind_current(elt_param, elt);
-            acc = self.eval_port(step_bind.value)?;
-            self.pop_frame();
-        }
-        Ok(acc)
-    }
-
-    fn eval_std_fold(&mut self, arg_ports: &[PortId]) -> Result<FieldValue, LensApplyError> {
-        if arg_ports.len() != 3 {
-            return Err(LensApplyError::ArityMismatch {
-                expected: 3,
-                got: arg_ports.len(),
-            });
-        }
-        let list = self.eval_port(arg_ports[0])?;
-        let init = self.eval_port(arg_ports[1])?;
-        let step_bind_port = arg_ports[2];
-        let step_producer = self
-            .dag
-            .resolve_producer_opt(&step_bind_port)
-            .ok_or(LensApplyError::UnresolvedPort)?;
-        let Behavior::Bind(step_bind) = step_producer else {
-            return Err(LensApplyError::UnsupportedConstruct(
-                "fold step is not a Bind",
-            ));
-        };
-        let n = step_bind.params.len();
-        if n < 2 {
-            return Err(LensApplyError::ArityMismatch {
-                expected: 2,
-                got: n,
-            });
-        }
-        let acc_param = step_bind.params[n - 2];
-        let elt_param = step_bind.params[n - 1];
-        let mut acc = init;
-        for elt in list_elements(self.dag, &list)? {
-            self.push_frame();
-            self.bind_current(acc_param, acc);
-            self.bind_current(elt_param, elt);
-            acc = self.eval_port(step_bind.value)?;
-            self.pop_frame();
-        }
-        Ok(acc)
-    }
-
-    fn eval_branch(
-        &mut self,
-        b: &BranchNode,
-        out_port: PortId,
-    ) -> Result<FieldValue, LensApplyError> {
-        let disc = self.eval_port(b.input)?;
-        for path in &b.paths {
-            let variant_id = match &path.pattern {
-                BranchPattern::ResolvedVariant(id) => *id,
-                BranchPattern::UnresolvedVariant { .. } => {
-                    return Err(LensApplyError::UnresolvedBranchPattern);
-                }
-            };
-            if !variant_matches(self.dag, &disc, variant_id)? {
-                continue;
-            }
-            self.push_frame();
-            if let Some(binding) = &path.binding {
-                let payload = variant_payload_for_binding(self.dag, &disc, variant_id)?;
-                self.bind_current(binding.payload_port, payload);
-            }
-            let v = self.eval_port(path.output)?;
-            self.pop_frame();
-            self.bind_current(out_port, v.clone());
-            return Ok(v);
-        }
-        Err(LensApplyError::BranchMiss)
-    }
-
-    /// Loop bodies are intentionally uninterpreted in D1.
-    ///
-    /// **Fail-closed receipt:** both `LoopBound::Cardinality` (single-fn recursion)
-    /// and `LoopBound::Descent` (mutual-recursion clusters) return
-    /// [`LensApplyError::UnimplementedLoopBound`] until iteration semantics land in
-    /// this interpreter.
-    fn eval_loop(&mut self, _l: &crate::dag::LoopNode) -> Result<FieldValue, LensApplyError> {
-        Err(LensApplyError::UnimplementedLoopBound)
-    }
-}
-
-fn int_from_value(v: &FieldValue) -> Result<i64, LensApplyError> {
-    match v {
-        FieldValue::Literal(LiteralBits::Int(s)) => s
-            .parse::<i64>()
-            .map_err(|_| LensApplyError::TypeMismatch("expected Int literal in i64 range")),
-        _ => Err(LensApplyError::TypeMismatch("expected Int literal")),
-    }
-}
-
-/// Checked `Int` arithmetic for the D1 lens interpreter (INVARIANTS P3: no wrapping `+`/`-`/`*`/`/`
-/// that could fabricate results or panic in debug under `LensOutputEquals` / gate paths).
-fn apply_arithmetic_int(
-    op: crate::dag::ArithmeticOp,
-    a: i64,
-    b: i64,
-) -> Result<i64, LensApplyError> {
-    const OVERFLOW: LensApplyError = LensApplyError::UnsupportedConstruct("integer overflow");
-    match op {
-        crate::dag::ArithmeticOp::Add => a.checked_add(b).ok_or(OVERFLOW),
-        crate::dag::ArithmeticOp::Sub => a.checked_sub(b).ok_or(OVERFLOW),
-        crate::dag::ArithmeticOp::Mul => a.checked_mul(b).ok_or(OVERFLOW),
-        crate::dag::ArithmeticOp::Div => {
-            if b == 0 {
-                return Err(LensApplyError::TypeMismatch("division by zero"));
-            }
-            a.checked_div(b).ok_or(OVERFLOW)
-        }
-    }
-}
-
-fn project_field(base: &FieldValue, label: &str) -> Result<FieldValue, LensApplyError> {
-    let FieldValue::Record(fields) = base else {
-        return Err(LensApplyError::BadFieldProject);
-    };
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .map(|(_, v)| v.clone())
-        .ok_or(LensApplyError::BadFieldProject)
-}
-
-fn variant_matches(
-    dag: &Dag,
-    value: &FieldValue,
-    variant_ty: DeclarationId,
-) -> Result<bool, LensApplyError> {
-    match value {
-        FieldValue::Variant { constructor, .. } => Ok(*constructor == variant_ty),
-        FieldValue::Literal(LiteralBits::Bool(b)) => {
-            let expected_ty = dag
-                .bool_runtime_variant_id(*b)
-                .ok_or(LensApplyError::MissingType("Bool variant"))?;
-            Ok(expected_ty == variant_ty)
-        }
-        _ => Ok(false),
-    }
-}
-
-fn variant_payload_for_binding(
-    dag: &Dag,
-    value: &FieldValue,
-    variant_ty: DeclarationId,
-) -> Result<FieldValue, LensApplyError> {
-    if let FieldValue::Literal(LiteralBits::Bool(_)) = value {
-        if !variant_matches(dag, value, variant_ty)? {
-            return Err(LensApplyError::BadFieldProject);
-        }
-        let conj = dag.declaration(variant_ty);
-        return match &conj.connective {
-            TypeConnective::Conj { children } if children.is_empty() => {
-                Ok(FieldValue::Record(vec![]))
-            }
-            TypeConnective::Conj { .. } => Err(LensApplyError::UnsupportedConstruct(
-                "Bool match arm with payload fields is not supported for Bool literal scrutinee",
-            )),
-            _ => Ok(FieldValue::Record(vec![])),
-        };
-    }
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(LensApplyError::BadFieldProject);
-    };
-    if *constructor != variant_ty {
-        return Err(LensApplyError::BadFieldProject);
-    }
-    if payload.len() == 1 {
-        return Ok(payload[0].clone());
-    }
-    let conj = dag.declaration(variant_ty);
-    let TypeConnective::Conj { children } = &conj.connective else {
-        // Unit-like variant (e.g. `True` / `False` / `Empty`).
-        return Ok(FieldValue::Record(vec![]));
-    };
-    if payload.len() != children.len() {
-        return Err(LensApplyError::BadFieldProject);
-    }
-    let fields: Vec<_> = children
-        .iter()
-        .zip(payload.iter())
-        .map(|(c, v)| (c.label.clone(), v.clone()))
-        .collect();
-    Ok(FieldValue::Record(fields))
-}
-
-/// Uncons a substrate `List` spine into owned elements (clones each head).
-fn list_elements(dag: &Dag, list: &FieldValue) -> Result<Vec<FieldValue>, LensApplyError> {
-    let mut out = Vec::new();
-    let mut cur = list;
-    loop {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = cur
-        else {
-            return Err(LensApplyError::BadListShape);
-        };
-        let label = variant_label(dag, *constructor).ok_or(LensApplyError::BadListShape)?;
-        match label.as_str() {
-            "Empty" => break,
-            "Cons" => {
-                if payload.len() != 2 {
-                    return Err(LensApplyError::BadListShape);
-                }
-                out.push(payload[0].clone());
-                cur = &payload[1];
-            }
-            _ => return Err(LensApplyError::BadListShape),
-        }
-    }
-    Ok(out)
-}
-
-// perf: linear scan over all declarations per variant id — fine for R1 gate DAGs;
-// revisit if lenses iterate over large programs (prefer declaration-indexed lookup).
-fn variant_label(dag: &Dag, variant_id: DeclarationId) -> Option<String> {
-    dag.declarations()
-        .iter()
-        .find_map(|decl| match &decl.connective {
-            TypeConnective::Disj { variants } => variants
-                .iter()
-                .find(|variant| variant.ty == variant_id)
-                .map(|variant| variant.label.clone()),
-            _ => None,
-        })
-}
-
-// perf: linear scan for `List` disj — same bounded-gate rationale as `variant_label`.
-fn v3_list_empty_cons_ids(dag: &Dag) -> Result<(DeclarationId, DeclarationId), LensApplyError> {
-    let list_decl = dag.declarations().iter().find(|d| {
-        d.name.as_deref() == Some("List") && matches!(d.connective, TypeConnective::Disj { .. })
-    });
-    let Some(list_decl) = list_decl else {
-        return Err(LensApplyError::MissingType("List"));
-    };
-    let TypeConnective::Disj { variants } = &list_decl.connective else {
-        return Err(LensApplyError::MissingType("List"));
-    };
-    let empty = variants
-        .iter()
-        .find(|v| v.label == "Empty")
-        .ok_or(LensApplyError::MissingType("List.Empty"))?
-        .ty;
-    let cons = variants
-        .iter()
-        .find(|v| v.label == "Cons")
-        .ok_or(LensApplyError::MissingType("List.Cons"))?
-        .ty;
-    Ok((empty, cons))
-}
-
-/// Fixed `(a, b, c)` triples for R1 `AlgebraicLaw(Associativity, …)` operational checks.
-///
-/// A **single** triple can pass for operations that are not associative (coincidence). The
-/// runner requires **every** triple here to satisfy [`int_associativity_holds`] — still not a
-/// quantified substrate law proof, but a materially stronger witness than one sample. Magnitudes
-/// stay modest so `Int` addition-style lenses do not overflow during witness application.
-pub const ASSOCIATIVITY_WITNESS_TRIPLES: &[(i64, i64, i64)] = &[
-    (2, 3, 5),
-    (0, 1, 99),
-    (-3, 7, 2),
-    (-1, 0, 1),
-    (1, 1, 2),
-    (5, 0, 3),
-    (10, -4, 7),
-    (100, 200, 300),
-];
-
-/// Fixed `(a, b)` pairs for PR-B.3 `AlgebraicLaw(Commutativity, …)` operational checks.
-///
-/// These are runner witnesses, not substrate law proofs. The sample table lives next to the
-/// associativity table so law-runner scaffolds share one bounded Int witness authority until
-/// first-class substrate law witnesses dissolve the runner-side sample checks.
-pub const COMMUTATIVITY_WITNESS_PAIRS: &[(i64, i64)] = &[
-    (2, 3),
-    (0, 99),
-    (-3, 7),
-    (-1, 0),
-    (1, 1),
-    (5, 0),
-    (10, -4),
-    (100, 200),
-];
-
-/// Samples for `AlgebraicLaw(Identity, …)` operational checks: **every** value must appear in at
-/// least one [`COMMUTATIVITY_WITNESS_PAIRS`] coordinate so identity witnessing stays materially
-/// aligned with the commutativity witness authority (still not a substrate law proof).
-pub const IDENTITY_WITNESS_SAMPLES: &[i64] = &[-4, -3, -1, 0, 1, 2, 3, 5, 7, 10, 99, 100, 200];
-
-/// Candidate identity elements searched left-to-right; exactly one must satisfy
-/// `e ⊕ a = a` and `a ⊕ e = a` for every sample in [`IDENTITY_WITNESS_SAMPLES`]. Multiple matches
-/// fail closed (`Ok(false)`) so incidental finite-table coincidences cannot certify an ambiguous op.
-///
-/// **High-end redundancy:** keep **at least two** entries **strictly greater** than
-/// `max(IDENTITY_WITNESS_SAMPLES)` (currently `200`). With only one such candidate, a binary `Int`
-/// lens behaving like `min` can satisfy the finite witness with a unique “top-like” constant even
-/// though `Int` has no lattice top (INVARIANTS P1/P3; codex PR #2394). Several candidates also sit
-/// below `min(samples)` so `max`-like ops typically hit the same multiplicity fail-closure.
-pub const IDENTITY_WITNESS_CANDIDATES: &[i64] = &[
-    -300, -200, -100, -99, -10, -7, -5, -4, -3, -2, -1, 0, 1, 2, 3, 5, 7, 10, 99, 100, 200, 250,
-    300, 400,
-];
-
-/// Evaluate `(a ⊕ b) ⊕ c` vs `a ⊕ (b ⊕ c)` for a binary `Int` lens using [`apply_lens_declaration`].
-pub fn int_associativity_holds(
-    program_dag: &Dag,
-    lens_decl_id: DeclarationId,
-    a: i64,
-    b: i64,
-    c: i64,
-) -> Result<bool, LensApplyError> {
-    let int = |n: i64| FieldValue::Literal(literal_bits_int(n));
-    let left_ab = apply_lens_declaration(program_dag, None, lens_decl_id, &[int(a), int(b)])?;
-    let left = apply_lens_declaration(program_dag, None, lens_decl_id, &[left_ab, int(c)])?;
-    let right_bc = apply_lens_declaration(program_dag, None, lens_decl_id, &[int(b), int(c)])?;
-    let right = apply_lens_declaration(program_dag, None, lens_decl_id, &[int(a), right_bc])?;
-    Ok(left == right)
-}
-
-/// True iff [`int_associativity_holds`] succeeds for every triple in `triples`.
-pub fn int_associativity_holds_all_triples(
-    program_dag: &Dag,
-    lens_decl_id: DeclarationId,
-    triples: &[(i64, i64, i64)],
-) -> Result<bool, LensApplyError> {
-    for &(a, b, c) in triples {
-        if !int_associativity_holds(program_dag, lens_decl_id, a, b, c)? {
-            return Ok(false);
-        }
-    }
-    Ok(true)
-}
-
-/// True iff exactly one `e` in `candidates` satisfies left/right identity against every `samples`
-/// entry via [`apply_lens_declaration`].
-pub fn int_identity_witness_holds(
-    program_dag: &Dag,
-    lens_decl_id: DeclarationId,
-    samples: &[i64],
-    candidates: &[i64],
-) -> Result<bool, LensApplyError> {
-    let int = |n: i64| FieldValue::Literal(literal_bits_int(n));
-    let mut matching = 0_i32;
-    for &e in candidates {
-        let ev = int(e);
-        let mut ok = true;
-        for &a in samples {
-            let left =
-                apply_lens_declaration(program_dag, None, lens_decl_id, &[ev.clone(), int(a)])?;
-            let right =
-                apply_lens_declaration(program_dag, None, lens_decl_id, &[int(a), ev.clone()])?;
-            if left != int(a) || right != int(a) {
-                ok = false;
-                break;
-            }
-        }
-        if ok {
-            matching += 1;
-            if matching > 1 {
-                return Ok(false);
-            }
-        }
-    }
-    Ok(matching == 1)
-}
-
-const _: () = assert!(IDENTITY_WITNESS_SAMPLES.len() > 1);
-const _: () = assert!(IDENTITY_WITNESS_CANDIDATES.len() > 1);
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::compile_to_dag;
-    use crate::dag::{Behavior, LoopBound};
-
-    #[test]
-    fn named_function_count_on_trivial_program() {
-        let src = include_str!("../../lenses/named_function_count.dag");
-        let lens_dag =
-            compile_to_dag(src, "src/v3/lenses/named_function_count.dag").expect("lens compiles");
-        let prog = compile_to_dag("let x: Int = 1", "lens_apply_prog.v3").expect("prog compiles");
-        let lens_id = lens_dag
-            .declaration_by_name("named_function_count")
-            .expect("named_function_count")
-            .id;
-        let input = reflect_program_dag_nodes_in_file(&prog, "lens_apply_prog.v3", &lens_dag)
-            .expect("reflect");
-        let out = apply_lens_declaration(&lens_dag, None, lens_id, &[input]).expect("apply");
-        assert_eq!(out, FieldValue::Literal(literal_bits_int(1)));
-    }
-
-    #[test]
-    fn identity_witness_samples_align_with_commutativity_witness_authority() {
-        for &s in IDENTITY_WITNESS_SAMPLES {
-            assert!(
-                COMMUTATIVITY_WITNESS_PAIRS
-                    .iter()
-                    .any(|&(a, b)| a == s || b == s),
-                "every IDENTITY_WITNESS_SAMPLES entry must appear in COMMUTATIVITY_WITNESS_PAIRS \
-                 (doc invariant on IDENTITY_WITNESS_SAMPLES); missing sample {s}"
-            );
-        }
-    }
-
-    #[test]
-    fn identity_witness_candidate_table_has_redundant_high_and_low_extents() {
-        let sample_min = *IDENTITY_WITNESS_SAMPLES.iter().min().unwrap();
-        let sample_max = *IDENTITY_WITNESS_SAMPLES.iter().max().unwrap();
-        let highs: Vec<i64> = IDENTITY_WITNESS_CANDIDATES
-            .iter()
-            .copied()
-            .filter(|&c| c > sample_max)
-            .collect();
-        let lows: Vec<i64> = IDENTITY_WITNESS_CANDIDATES
-            .iter()
-            .copied()
-            .filter(|&c| c < sample_min)
-            .collect();
-        assert!(
-            highs.len() >= 2,
-            "need ≥2 candidates strictly above sample max ({sample_max}) so min-like lenses cannot \
-             mint a unique false identity; got {highs:?}"
-        );
-        assert!(
-            lows.len() >= 2,
-            "need ≥2 candidates strictly below sample min ({sample_min}) for symmetric fail-closure \
-             skew; got {lows:?}"
-        );
-    }
-
-    #[test]
-    fn int_add_lens_associativity_sample() {
-        let src = r#"module w
-fn lens_composition_op(a: Int, b: Int) -> Int = a + b
-"#;
-        let dag = compile_to_dag(src, "assoc.v3").expect("compiles");
-        let id = dag.declaration_by_name("lens_composition_op").unwrap().id;
-        assert!(
-            int_associativity_holds_all_triples(&dag, id, ASSOCIATIVITY_WITNESS_TRIPLES)
-                .expect("assoc witness"),
-            "Int `+` lens must pass every ASSOCIATIVITY_WITNESS_TRIPLES entry"
-        );
-    }
-
-    #[test]
-    fn literals_only_evaluator_bridge_agrees_with_eval_ctx_for_int_add() {
-        let src = r#"module w
-fn lens_composition_op(a: Int, b: Int) -> Int = a + b
-"#;
-        let dag = compile_to_dag(src, "eval_bridge_vs_ctx.v3").expect("compiles");
-        let lens_decl_id = dag.declaration_by_name("lens_composition_op").unwrap().id;
-        let decl = dag.declaration(lens_decl_id);
-        let TypeConnective::Arrow { body, .. } = &decl.connective else {
-            panic!("expected arrow lens");
-        };
-        let ArrowBody::UserDefined(root) = body else {
-            panic!("expected user-defined arrow body");
-        };
-        let root_bind = (*root).bind(&dag);
-        let inputs = &[
-            FieldValue::Literal(literal_bits_int(11)),
-            FieldValue::Literal(literal_bits_int(-3)),
-        ];
-        let via_bridge = super::try_apply_lens_via_evaluator_literals_only(&dag, root_bind, inputs)
-            .expect("evaluator bridge lookup")
-            .expect("literal Int add must succeed on evaluator bridge");
-        let mut ctx = EvalCtx::new(&dag);
-        for (port, arg) in root_bind.params.iter().zip(inputs.iter()) {
-            ctx.bind_top(*port, arg.clone());
-        }
-        let via_ctx = ctx.eval_port(root_bind.value).expect("eval ctx");
-        assert_eq!(via_bridge, via_ctx);
-    }
-
-    #[test]
-    fn literals_only_with_program_under_test_skips_bridge_matches_bare_apply() {
-        let lens_src = r#"module w
-fn lens_composition_op(a: Int, b: Int) -> Int = a + b
-"#;
-        let lens_dag = compile_to_dag(lens_src, "reflect_skip_bridge_lens.v3").expect("compiles");
-        let prog_under_test =
-            compile_to_dag("let x: Int = 1", "reflect_skip_bridge_prog.v3").expect("prog compiles");
-        let id = lens_dag
-            .declaration_by_name("lens_composition_op")
-            .unwrap()
-            .id;
-        let inputs = &[
-            FieldValue::Literal(literal_bits_int(5)),
-            FieldValue::Literal(literal_bits_int(7)),
-        ];
-        let bare = apply_lens_declaration(&lens_dag, None, id, inputs).expect("bare apply");
-        let with_put =
-            apply_lens_declaration(&lens_dag, Some(&prog_under_test), id, inputs).expect("put");
-        assert_eq!(bare, with_put);
-    }
-
-    #[test]
-    fn int_add_lens_identity_witness_finds_zero_uniquely() {
-        let src = r#"module w
-fn lens_composition_op(a: Int, b: Int) -> Int = a + b
-"#;
-        let dag = compile_to_dag(src, "id_add.v3").expect("compiles");
-        let id = dag.declaration_by_name("lens_composition_op").unwrap().id;
-        assert!(
-            super::int_identity_witness_holds(
-                &dag,
-                id,
-                IDENTITY_WITNESS_SAMPLES,
-                IDENTITY_WITNESS_CANDIDATES
-            )
-            .expect("identity witness"),
-            "Int `+` lens identity must be uniquely 0 on the bounded witness tables"
-        );
-    }
-
-    #[test]
-    fn int_mul_lens_identity_witness_finds_one_uniquely() {
-        let src = r#"module w
-fn lens_mul_op(a: Int, b: Int) -> Int = a * b
-"#;
-        let dag = compile_to_dag(src, "id_mul.v3").expect("compiles");
-        let id = dag.declaration_by_name("lens_mul_op").unwrap().id;
-        assert!(
-            super::int_identity_witness_holds(
-                &dag,
-                id,
-                IDENTITY_WITNESS_SAMPLES,
-                IDENTITY_WITNESS_CANDIDATES
-            )
-            .expect("identity witness"),
-            "Int `*` lens identity must be uniquely 1 on the bounded witness tables"
-        );
-    }
-
-    #[test]
-    fn int_min_lens_identity_witness_fails_closed_on_ambiguous_top_candidates() {
-        let src = r#"module w
-fn lens_min_op(a: Int, b: Int) -> Int = if a < b then a else b
-"#;
-        let dag = compile_to_dag(src, "id_min.v3").expect("compiles");
-        let id = dag.declaration_by_name("lens_min_op").unwrap().id;
-        assert!(
-            !super::int_identity_witness_holds(
-                &dag,
-                id,
-                IDENTITY_WITNESS_SAMPLES,
-                IDENTITY_WITNESS_CANDIDATES
-            )
-            .expect("identity witness"),
-            "binary Int min has no identity on bounded samples; bounded witness must fail closed"
-        );
-    }
-
-    #[test]
-    fn int_add_overflow_returns_lens_apply_error_not_wrapped_value() {
-        let src = r#"module m
-fn f(a: Int, b: Int) -> Int = a + b
-"#;
-        let dag = compile_to_dag(src, "int_ovf.v3").expect("compiles");
-        let id = dag.declaration_by_name("f").unwrap().id;
-        let err = apply_lens_declaration(
-            &dag,
-            None,
-            id,
-            &[
-                FieldValue::Literal(literal_bits_int(i64::MAX)),
-                FieldValue::Literal(literal_bits_int(1)),
-            ],
-        )
-        .expect_err("overflow must not yield a wrapped Int");
-        assert!(
-            matches!(
-                err,
-                super::LensApplyError::UnsupportedConstruct("integer overflow")
-            ),
-            "{err:?}"
-        );
-    }
-
-    #[test]
-    fn empty_fold_returns_init() {
-        let src = r#"module m
-import std.list { List, fold }
-
-fn sum(xs: List<Int>) -> Int =
-  fold(xs, 99, |acc, x| acc + x)
-"#;
-        let dag = compile_to_dag(src, "empty_fold.v3").expect("compiles");
-        let sum_id = dag.declaration_by_name("sum").expect("sum").id;
-        let empty = empty_substrate_list_value(&dag).expect("empty list");
-        let out = apply_lens_declaration(&dag, None, sum_id, &[empty]).expect("fold empty");
-        assert_eq!(out, FieldValue::Literal(literal_bits_int(99)));
-    }
-
-    #[test]
-    fn monomorphized_fold_step_bind_recovered_via_instantiation_arguments() {
-        let src = r#"module m
-import std.list { List, fold }
-
-fn sum(xs: List<Int>) -> Int =
-  fold(xs, 99, |acc, x| acc + x)
-"#;
-        let dag = compile_to_dag(src, "mono_fold_bind_paths.v3").expect("compiles");
-        let fold_transform = dag
-            .nodes()
-            .iter()
-            .find_map(|n| {
-                let Behavior::Transform(t) = n else {
-                    return None;
-                };
-                let TransformTarget::Callable(callee) = &t.target else {
-                    return None;
-                };
-                super::is_fold_instantiation(&dag, dag.declaration(*callee)).then_some(t)
-            })
-            .expect("monomorphized fold transform");
-        let TransformTarget::Callable(callee) = &fold_transform.target else {
-            unreachable!();
-        };
-        super::find_fold_step_bind_via_instantiation(&dag, *callee).expect("fold step bind");
-    }
-
-    #[test]
-    fn fold_step_lookup_requires_template_formal_edge() {
-        let src = r#"module m
-import std.list { List, fold }
-
-fn sum(xs: List<Int>) -> Int =
-  fold(xs, 99, |acc, x| acc + x)
-"#;
-        let mut dag = compile_to_dag(src, "mono_fold_bind_no_formal_edge.v3").expect("compiles");
-        let fold_callable = dag
-            .nodes()
-            .iter()
-            .find_map(|n| {
-                let Behavior::Transform(t) = n else {
-                    return None;
-                };
-                let TransformTarget::Callable(callee) = &t.target else {
-                    return None;
-                };
-                super::is_fold_instantiation(&dag, dag.declaration(*callee)).then_some(*callee)
-            })
-            .expect("monomorphized fold transform");
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &dag.declaration(fold_callable).connective
-        else {
-            panic!("fold callable should be an Instantiation");
-        };
-        let formals = super::fold_template_callable_formals(&dag, *template);
-        let depth_budget = LENS_APPLY_TYPE_WALK_DEPTH as i64;
-        let callable_arg_index = arguments
-            .iter()
-            .position(|arg| {
-                let resolved = resolve_template_argument_value(&depth_budget, arguments, arg.value);
-                super::monomorph_callable_bind_root(&dag, resolved).is_some()
-                    && formals.contains(&arg.parameter)
-            })
-            .expect("callable fold argument");
-        let non_formal_parameter = arguments
-            .iter()
-            .map(|arg| arg.parameter)
-            .find(|parameter| !formals.contains(parameter))
-            .expect("non-callable fold formal parameter");
-
-        let TypeConnective::Instantiation { arguments, .. } =
-            &mut dag.declaration_mut(fold_callable).connective
-        else {
-            panic!("fold callable should remain an Instantiation");
-        };
-        arguments[callable_arg_index].parameter = non_formal_parameter;
-
-        assert!(
-            super::find_fold_step_bind_via_instantiation(&dag, fold_callable).is_none(),
-            "unique callable candidates must not be accepted without the template-formal edge"
-        );
-    }
-
-    #[test]
-    fn comparison_operator_returns_bool_literal_not_sum_variant() {
-        let src = r#"module m
-fn truth() -> Bool = 1 == 1
-"#;
-        let dag = compile_to_dag(src, "truth.v3").expect("compiles");
-        let id = dag.declaration_by_name("truth").unwrap().id;
-        let out = apply_lens_declaration(&dag, None, id, &[]).expect("apply");
-        assert_eq!(out, FieldValue::Literal(LiteralBits::Bool(true)));
-    }
-
-    #[test]
-    fn bool_literal_scrutinee_selects_disj_match_arm() {
-        let src = r#"module m
-fn p(b: Bool) -> Int = match b { True => 1, False => 0 }
-"#;
-        let dag = compile_to_dag(src, "bool_lit_match.v3").expect("compiles");
-        let id = dag.declaration_by_name("p").unwrap().id;
-        let out = apply_lens_declaration(
-            &dag,
-            None,
-            id,
-            &[FieldValue::Literal(LiteralBits::Bool(true))],
-        )
-        .expect("apply");
-        assert_eq!(out, FieldValue::Literal(literal_bits_int(1)));
-    }
-
-    #[test]
-    fn mutual_recursion_lens_hits_unimplemented_loop_for_descent_cluster() {
-        let src = r#"module m
-fn even(n: Int) -> Bool = if n == 0 then true else odd(n - 1)
-fn odd(n: Int) -> Bool = if n == 0 then false else even(n - 1)
-fn run_even(n: Int) -> Bool = even(n)
-"#;
-        let dag = compile_to_dag(src, "mutual_lens.v3").expect("compiles");
-        assert!(
-            dag.nodes()
-                .iter()
-                .filter_map(Behavior::as_loop)
-                .any(|l| { matches!(l.bound, LoopBound::Descent { .. }) }),
-            "expected at least one LoopBound::Descent (mutual cluster)"
-        );
-        let run_even = dag.declaration_by_name("run_even").expect("run_even").id;
-        let err = apply_lens_declaration(
-            &dag,
-            None,
-            run_even,
-            &[FieldValue::Literal(literal_bits_int(1))],
-        )
-        .expect_err("loop interpretation is unimplemented");
-        assert!(
-            matches!(err, LensApplyError::UnimplementedLoopBound),
-            "expected UnimplementedLoopBound, got {err:?}"
-        );
-    }
-
-    #[test]
-    fn apply_lens_declaration_arity_mismatch() {
-        let src = r#"module m
-fn f(a: Int, b: Int) -> Int = a + b
-"#;
-        let dag = compile_to_dag(src, "arity.v3").expect("compiles");
-        let id = dag.declaration_by_name("f").unwrap().id;
-        let err =
-            apply_lens_declaration(&dag, None, id, &[FieldValue::Literal(literal_bits_int(1))])
-                .expect_err("wrong arity");
-        assert!(
-            matches!(
-                err,
-                LensApplyError::ArityMismatch {
-                    expected: 2,
-                    got: 1
-                }
-            ),
-            "{err:?}"
-        );
-    }
-
-    #[test]
-    fn eligible_fold_runs_through_bounded_path() {
-        // Step body is `acc + x` — no Loop, no unsupported construct in transitive call graph.
-        // The structural eligibility predicate must approve and the bounded fast path must
-        // produce the sum.
-        let src = r#"module m
-import std.list { List, fold }
-
-fn sum(xs: List<Int>) -> Int =
-  fold(xs, 0, |acc, x| acc + x)
-"#;
-        let dag = compile_to_dag(src, "eligible_fold.v3").expect("compiles");
-        let sum_id = dag.declaration_by_name("sum").expect("sum").id;
-        let (empty_id, cons_id) = super::v3_list_empty_cons_ids(&dag).expect("list ids");
-        let int = |n: i64| FieldValue::Literal(literal_bits_int(n));
-        let mut list = FieldValue::Variant {
-            constructor: empty_id,
-            payload: vec![],
-        };
-        for n in [3i64, 2, 1] {
-            list = FieldValue::Variant {
-                constructor: cons_id,
-                payload: vec![int(n), list],
-            };
-        }
-        let out = apply_lens_declaration(&dag, None, sum_id, &[list]).expect("eligible fold runs");
-        assert_eq!(out, int(6));
-    }
-
-    #[test]
-    fn ineligible_fold_with_recursive_step_skips_bounded_path() {
-        // `helper` is self-recursive → lowers to a `LoopNode` in the step body's transitive
-        // call graph. The structural eligibility predicate must reject; the bounded fast path
-        // is bypassed; `eval_callable` rejects the monomorphized `Instantiation { template:
-        // fold }` with `UnimplementedCallable` (fail-closed, vs running and hitting
-        // `UnimplementedLoopBound` deeper in).
-        let src = r#"module m
-import std.list { List, fold }
-
-fn helper(n: Int) -> Int = if n == 0 then 0 else helper(n - 1) + 1
-fn sum(xs: List<Int>) -> Int =
-  fold(xs, 0, |acc, x| acc + helper(x))
-"#;
-        let dag = compile_to_dag(src, "ineligible_fold.v3").expect("compiles");
-        let sum_id = dag.declaration_by_name("sum").expect("sum").id;
-        let (_, cons_id) = super::v3_list_empty_cons_ids(&dag).expect("list ids");
-        let empty = empty_substrate_list_value(&dag).expect("empty list");
-        let one = FieldValue::Variant {
-            constructor: cons_id,
-            payload: vec![FieldValue::Literal(literal_bits_int(1)), empty],
-        };
-        let err =
-            apply_lens_declaration(&dag, None, sum_id, &[one]).expect_err("ineligible step body");
-        assert!(
-            matches!(err, LensApplyError::UnimplementedCallable(_)),
-            "{err:?}"
-        );
-    }
-
-    #[test]
-    fn branch_miss_when_scrutinee_matches_no_arm() {
-        let src = r#"module m
-fn p(b: Bool) -> Int = match b { True => 1, False => 0 }
-"#;
-        let dag = compile_to_dag(src, "branch_miss.v3").expect("compiles");
-        let id = dag.declaration_by_name("p").unwrap().id;
-        let err =
-            apply_lens_declaration(&dag, None, id, &[FieldValue::Literal(literal_bits_int(42))])
-                .expect_err("Int is not True/False");
-        assert!(matches!(err, LensApplyError::BranchMiss), "{err:?}");
-    }
-}
-
-// Substrate ↔ `FieldValue` structural reflection (design-reflection-completeness).
-// SG-0: folded under this file — the census forbids a new sibling `substrate_reflection.rs`.
-mod substrate_reflection {
-    //! Complete structural reflection of computation-substrate [`Behavior`] nodes into
-    //! lens-input [`FieldValue`] per `docs/design-reflection-completeness.md` (LOCKED).
-    //! Reflection is static: no execution, no branch-arm selection, no loop iteration.
-
-    use crate::dag::{
-        AtomPayload, Behavior, BindEmitParticipation, BindNode, BoolPortRef, BranchArm,
-        BranchEmitParticipation, BranchNode, BranchPattern, CardinalityBound, ClusterId, Dag,
-        DeclarationId, FieldMap, FieldValue, HttpMethodScalar, LiteralBits, LoopBound, LoopNode,
-        NodeId, NonSingletonList, Operation, OperatorKind, Path, PayloadBinding, PortId,
-        TransformNode, TransformTarget, TypeConnective, UrlPathToken, ValueNode, WorkflowEffect,
-    };
-    use crate::diagnostics::SourceSpan;
-
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct ReflectError(pub &'static str);
-
-    pub type ReflectResult<T> = Result<T, ReflectError>;
-
-    fn err<T>(msg: &'static str) -> ReflectResult<T> {
-        Err(ReflectError(msg))
-    }
-
-    fn disj_variant_ty(
-        dag: &Dag,
-        sum_name: &str,
-        variant_label: &str,
-    ) -> ReflectResult<DeclarationId> {
-        let mut decl_id = dag
-            .declaration_by_name(sum_name)
-            .ok_or(ReflectError("missing sum type"))?
-            .id;
-        const PEEL_MAX: usize = 64;
-        for _ in 0..PEEL_MAX {
-            let decl = dag.declaration(decl_id);
-            match &decl.connective {
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if arguments.is_empty() => {
-                    decl_id = *template;
-                }
-                TypeConnective::Disj { variants } => {
-                    return variants
-                        .iter()
-                        .find(|v| v.label == variant_label)
-                        .map(|v| v.ty)
-                        .ok_or(ReflectError("missing sum variant"));
-                }
-                TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name))
-                    if name == variant_label =>
-                {
-                    // Single-variant enum: `Instantiation → Atom(Label)` (no `Disj` row).
-                    return Ok(decl_id);
-                }
-                _ => return err("sum type is not Disj or unit Atom"),
-            }
-        }
-        err("Instantiation peel depth exceeded")
-    }
-
-    fn port_fv(p: PortId) -> FieldValue {
-        FieldValue::Literal(LiteralBits::Int(i64::from(p.raw()).to_string()))
-    }
-
-    fn node_fv(n: NodeId) -> FieldValue {
-        FieldValue::Literal(LiteralBits::Int(i64::from(n.raw()).to_string()))
-    }
-
-    fn cluster_fv(c: ClusterId) -> FieldValue {
-        FieldValue::Literal(LiteralBits::Int(i64::from(c.raw()).to_string()))
-    }
-
-    fn reflect_source_span(span: &SourceSpan) -> FieldValue {
-        // Field names must match `type SourceSpan` in `dsl/std/types.dag` (`file`, `start`, `end`).
-        // The Rust carrier still uses `byte_start` / `byte_end` on [`SourceSpan`].
-        FieldValue::Record(vec![
-            (
-                "file".to_string(),
-                FieldValue::Literal(LiteralBits::String(span.file.clone())),
-            ),
-            (
-                "start".to_string(),
-                FieldValue::Literal(LiteralBits::Int(i64::from(span.byte_start).to_string())),
-            ),
-            (
-                "end".to_string(),
-                FieldValue::Literal(LiteralBits::Int(i64::from(span.byte_end).to_string())),
-            ),
-        ])
-    }
-
-    fn v3_list_empty_cons_ids(dag: &Dag) -> ReflectResult<(DeclarationId, DeclarationId)> {
-        let list_decl = dag.declarations().iter().find(|d| {
-            d.name.as_deref() == Some("List") && matches!(d.connective, TypeConnective::Disj { .. })
-        });
-        let Some(list_decl) = list_decl else {
-            return err("List");
-        };
-        let TypeConnective::Disj { variants } = &list_decl.connective else {
-            return err("List");
-        };
-        let empty = variants
-            .iter()
-            .find(|v| v.label == "Empty")
-            .ok_or(ReflectError("List.Empty"))?
-            .ty;
-        let cons = variants
-            .iter()
-            .find(|v| v.label == "Cons")
-            .ok_or(ReflectError("List.Cons"))?
-            .ty;
-        Ok((empty, cons))
-    }
-
-    fn named_record_type_root(dag: &Dag, name: &str) -> ReflectResult<DeclarationId> {
-        let mut decl_id = dag
-            .declaration_by_name(name)
-            .ok_or(ReflectError("missing substrate record type"))?
-            .id;
-        const PEEL_MAX: usize = 64;
-        for _ in 0..PEEL_MAX {
-            match &dag.declaration(decl_id).connective {
-                TypeConnective::Conj { .. } => return Ok(decl_id),
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if arguments.is_empty() => {
-                    decl_id = *template;
-                }
-                _ => return err("substrate record type is not Conj"),
-            }
-        }
-        err("substrate record peel depth exceeded")
-    }
-
-    fn conj_field_ty(
-        dag: &Dag,
-        conj_decl_id: DeclarationId,
-        label: &str,
-    ) -> ReflectResult<DeclarationId> {
-        let decl = dag.declaration(conj_decl_id);
-        let TypeConnective::Conj { children } = &decl.connective else {
-            return err("expected Conj");
-        };
-        children
-            .iter()
-            .find(|c| c.label == label)
-            .map(|c| c.ty)
-            .ok_or(ReflectError("missing Conj field"))
-    }
-
-    /// [`FieldValue::Variant::payload`] is **positional**: one entry per field of the
-    /// variant payload [`TypeConnective::Conj`], in `children` order — same contract as
-    /// `variant_payload_for_binding` in this file.
-    fn sum_variant_payload(
-        dag: &Dag,
-        sum_name: &str,
-        variant_label: &str,
-        payload: Vec<FieldValue>,
-    ) -> ReflectResult<FieldValue> {
-        let ctor_ty = disj_variant_ty(dag, sum_name, variant_label)?;
-        match &dag.declaration(ctor_ty).connective {
-            TypeConnective::Conj { children } => {
-                if children.len() != payload.len() {
-                    return err("sum variant payload arity mismatch");
-                }
-            }
-            _ => {
-                if payload.len() > 1 {
-                    return err("sum variant payload arity mismatch");
-                }
-            }
-        }
-        Ok(FieldValue::Variant {
-            constructor: ctor_ty,
-            payload,
-        })
-    }
-
-    fn peel_to_optional_cardinality_decl(
-        dag: &Dag,
-        mut ty: DeclarationId,
-    ) -> ReflectResult<DeclarationId> {
-        const PEEL_MAX: usize = 64;
-        for _ in 0..PEEL_MAX {
-            match &dag.declaration(ty).connective {
-                TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-                    return Ok(ty);
-                }
-                TypeConnective::Instantiation { template, .. } => ty = *template,
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => ty = *next,
-                _ => return err("expected optional T? cardinality"),
-            }
-        }
-        err("optional cardinality peel depth exceeded")
-    }
-
-    fn optional_some_none_constructor_ids(
-        dag: &Dag,
-        cardinality_decl_id: DeclarationId,
-    ) -> ReflectResult<(DeclarationId, DeclarationId)> {
-        let disj_id = dag
-            .optional_match_disj(cardinality_decl_id)
-            .ok_or(ReflectError("missing optional Some/None sum"))?;
-        let decl = dag.declaration(disj_id);
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return err("optional match row is not Disj");
-        };
-        let some_ty = variants
-            .iter()
-            .find(|v| v.label == "Some")
-            .ok_or(ReflectError("Some"))?
-            .ty;
-        let none_ty = variants
-            .iter()
-            .find(|v| v.label == "None")
-            .ok_or(ReflectError("None"))?
-            .ty;
-        Ok((some_ty, none_ty))
-    }
-
-    /// Optional `T?` using the same `Some` / `None` sum as inference (`Cardinality` → match disj).
-    fn reflect_optional_sum<T>(
-        dag: &Dag,
-        cardinality_decl_id: DeclarationId,
-        opt: Option<T>,
-        mut reflect_some: impl FnMut(&Dag, T) -> ReflectResult<FieldValue>,
-    ) -> ReflectResult<FieldValue> {
-        let (some_ty, none_ty) = optional_some_none_constructor_ids(dag, cardinality_decl_id)?;
-        Ok(match opt {
-            None => FieldValue::Variant {
-                constructor: none_ty,
-                payload: vec![],
-            },
-            Some(x) => FieldValue::Variant {
-                constructor: some_ty,
-                payload: vec![reflect_some(dag, x)?],
-            },
-        })
-    }
-
-    fn reflect_port_id_list(dag: &Dag, ports: &[PortId]) -> ReflectResult<FieldValue> {
-        let (empty_id, cons_id) = v3_list_empty_cons_ids(dag)?;
-        let mut tail = FieldValue::Variant {
-            constructor: empty_id,
-            payload: vec![],
-        };
-        for p in ports.iter().rev() {
-            tail = FieldValue::Variant {
-                constructor: cons_id,
-                payload: vec![port_fv(*p), tail],
-            };
-        }
-        Ok(tail)
-    }
-
-    fn reflect_unit_variant(dag: &Dag, sum_name: &str, label: &str) -> ReflectResult<FieldValue> {
-        sum_variant_payload(dag, sum_name, label, vec![])
-    }
-
-    fn reflect_arithmetic_op(dag: &Dag, op: crate::dag::ArithmeticOp) -> ReflectResult<FieldValue> {
-        let label = match op {
-            crate::dag::ArithmeticOp::Add => "Add",
-            crate::dag::ArithmeticOp::Sub => "Sub",
-            crate::dag::ArithmeticOp::Mul => "Mul",
-            crate::dag::ArithmeticOp::Div => "Div",
-        };
-        reflect_unit_variant(dag, "ArithmeticOp", label)
-    }
-
-    fn reflect_comparison_op(dag: &Dag, op: crate::dag::ComparisonOp) -> ReflectResult<FieldValue> {
-        let label = match op {
-            crate::dag::ComparisonOp::Eq => "Eq",
-            crate::dag::ComparisonOp::Ne => "Ne",
-            crate::dag::ComparisonOp::Lt => "Lt",
-            crate::dag::ComparisonOp::Le => "Le",
-            crate::dag::ComparisonOp::Gt => "Gt",
-            crate::dag::ComparisonOp::Ge => "Ge",
-        };
-        reflect_unit_variant(dag, "ComparisonOp", label)
-    }
-
-    fn reflect_logical_op(dag: &Dag, op: crate::dag::LogicalOp) -> ReflectResult<FieldValue> {
-        let label = match op {
-            crate::dag::LogicalOp::And => "And",
-            crate::dag::LogicalOp::Or => "Or",
-        };
-        reflect_unit_variant(dag, "LogicalOp", label)
-    }
-
-    fn reflect_operator_kind(dag: &Dag, k: &OperatorKind) -> ReflectResult<FieldValue> {
-        match k {
-            OperatorKind::Arithmetic(op) => {
-                let id = disj_variant_ty(dag, "OperatorKind", "Arithmetic")?;
-                Ok(FieldValue::Variant {
-                    constructor: id,
-                    payload: vec![reflect_arithmetic_op(dag, *op)?],
-                })
-            }
-            OperatorKind::Comparison(op) => {
-                let id = disj_variant_ty(dag, "OperatorKind", "Comparison")?;
-                Ok(FieldValue::Variant {
-                    constructor: id,
-                    payload: vec![reflect_comparison_op(dag, *op)?],
-                })
-            }
-            OperatorKind::Logical(op) => {
-                let id = disj_variant_ty(dag, "OperatorKind", "Logical")?;
-                Ok(FieldValue::Variant {
-                    constructor: id,
-                    payload: vec![reflect_logical_op(dag, *op)?],
-                })
-            }
-        }
-    }
-
-    fn reflect_http_method_scalar(dag: &Dag, m: HttpMethodScalar) -> ReflectResult<FieldValue> {
-        reflect_unit_variant(dag, "HttpMethod", m.token())
-    }
-
-    fn reflect_operation(dag: &Dag, op: &Operation) -> ReflectResult<FieldValue> {
-        let tokens = op
-            .endpoint
-            .path
-            .tokens
-            .iter()
-            .map(|token| match token {
-                UrlPathToken::LiteralToken { text } => sum_variant_payload(
-                    dag,
-                    "UrlPathToken",
-                    "LiteralToken",
-                    vec![FieldValue::Literal(LiteralBits::String(text.clone()))],
-                ),
-                UrlPathToken::ParamToken { name } => sum_variant_payload(
-                    dag,
-                    "UrlPathToken",
-                    "ParamToken",
-                    vec![FieldValue::Literal(LiteralBits::String(name.clone()))],
-                ),
-            })
-            .collect::<Result<Vec<_>, _>>()?;
-        let inputs = FieldMap::from_entries(
-            op.inputs
-                .keys()
-                .map(|name| (name.clone(), FieldValue::Record(vec![])))
-                .collect(),
-        )
-        .map_err(|_| ReflectError("duplicate operation input key"))?;
-        Ok(FieldValue::Record(vec![
-            (
-                "callable".to_string(),
-                FieldValue::Record(vec![(
-                    "decl".to_string(),
-                    FieldValue::Reference(op.callable.decl),
-                )]),
-            ),
-            ("inputs".to_string(), FieldValue::Map(inputs)),
-            (
-                "endpoint".to_string(),
-                FieldValue::Record(vec![
-                    (
-                        "method".to_string(),
-                        reflect_http_method_scalar(dag, op.endpoint.method)?,
-                    ),
-                    (
-                        "path".to_string(),
-                        FieldValue::Record(vec![("tokens".to_string(), FieldValue::List(tokens))]),
-                    ),
-                ]),
-            ),
-        ]))
-    }
-
-    fn reflect_operation_vec_spine(dag: &Dag, ops: &[Operation]) -> ReflectResult<FieldValue> {
-        let (empty_id, cons_id) = v3_list_empty_cons_ids(dag)?;
-        let mut tail = FieldValue::Variant {
-            constructor: empty_id,
-            payload: vec![],
-        };
-        for op in ops.iter().rev() {
-            let head = reflect_operation(dag, op)?;
-            tail = FieldValue::Variant {
-                constructor: cons_id,
-                payload: vec![head, tail],
-            };
-        }
-        Ok(tail)
-    }
-
-    fn reflect_bool_port_ref(_dag: &Dag, r: BoolPortRef) -> ReflectResult<FieldValue> {
-        Ok(FieldValue::Record(vec![(
-            "port".to_string(),
-            port_fv(r.port_id()),
-        )]))
-    }
-
-    fn reflect_workflow_effect(dag: &Dag, wf: &WorkflowEffect) -> ReflectResult<FieldValue> {
-        match wf {
-            WorkflowEffect::LinearEffect { ops } => sum_variant_payload(
-                dag,
-                "WorkflowEffect",
-                "LinearEffect",
-                vec![reflect_operation_vec_spine(dag, ops)?],
-            ),
-            WorkflowEffect::BranchEffect { arms } => sum_variant_payload(
-                dag,
-                "WorkflowEffect",
-                "BranchEffect",
-                vec![reflect_non_singleton_branch_arms(dag, arms)?],
-            ),
-            WorkflowEffect::LoopEffect { body } => sum_variant_payload(
-                dag,
-                "WorkflowEffect",
-                "LoopEffect",
-                vec![reflect_workflow_effect(dag, body)?],
-            ),
-            WorkflowEffect::ParallelEffect { branches } => sum_variant_payload(
-                dag,
-                "WorkflowEffect",
-                "ParallelEffect",
-                vec![reflect_non_singleton_workflow_branches(dag, branches)?],
-            ),
-        }
-    }
-
-    fn reflect_branch_arm_vec_spine(dag: &Dag, arms: &[BranchArm]) -> ReflectResult<FieldValue> {
-        let (empty_id, cons_id) = v3_list_empty_cons_ids(dag)?;
-        let mut tail = FieldValue::Variant {
-            constructor: empty_id,
-            payload: vec![],
-        };
-        for arm in arms.iter().rev() {
-            tail = FieldValue::Variant {
-                constructor: cons_id,
-                payload: vec![reflect_branch_arm(dag, arm)?, tail],
-            };
-        }
-        Ok(tail)
-    }
-
-    fn reflect_non_singleton_branch_arms(
-        dag: &Dag,
-        arms: &NonSingletonList<BranchArm>,
-    ) -> ReflectResult<FieldValue> {
-        let rest_spine = reflect_branch_arm_vec_spine(dag, &arms.rest)?;
-        Ok(FieldValue::Record(vec![
-            ("first".to_string(), reflect_branch_arm(dag, &arms.first)?),
-            ("second".to_string(), reflect_branch_arm(dag, &arms.second)?),
-            ("rest".to_string(), rest_spine),
-        ]))
-    }
-
-    fn reflect_branch_arm(dag: &Dag, arm: &BranchArm) -> ReflectResult<FieldValue> {
-        Ok(FieldValue::Record(vec![
-            (
-                "condition".to_string(),
-                reflect_bool_port_ref(dag, arm.bool_port())?,
-            ),
-            (
-                "body".to_string(),
-                reflect_workflow_effect(dag, arm.body())?,
-            ),
-        ]))
-    }
-
-    fn reflect_workflow_effect_vec_spine(
-        dag: &Dag,
-        items: &[Box<WorkflowEffect>],
-    ) -> ReflectResult<FieldValue> {
-        let (empty_id, cons_id) = v3_list_empty_cons_ids(dag)?;
-        let mut tail = FieldValue::Variant {
-            constructor: empty_id,
-            payload: vec![],
-        };
-        for item in items.iter().rev() {
-            tail = FieldValue::Variant {
-                constructor: cons_id,
-                payload: vec![reflect_workflow_effect(dag, item.as_ref())?, tail],
-            };
-        }
-        Ok(tail)
-    }
-
-    fn reflect_non_singleton_workflow_branches(
-        dag: &Dag,
-        branches: &NonSingletonList<Box<WorkflowEffect>>,
-    ) -> ReflectResult<FieldValue> {
-        let rest_spine = reflect_workflow_effect_vec_spine(dag, &branches.rest)?;
-        Ok(FieldValue::Record(vec![
-            (
-                "first".to_string(),
-                reflect_workflow_effect(dag, branches.first.as_ref())?,
-            ),
-            (
-                "second".to_string(),
-                reflect_workflow_effect(dag, branches.second.as_ref())?,
-            ),
-            ("rest".to_string(), rest_spine),
-        ]))
-    }
-
-    fn reflect_optional_workflow_effect(
-        dag: &Dag,
-        cardinality_decl_id: DeclarationId,
-        opt: Option<&WorkflowEffect>,
-    ) -> ReflectResult<FieldValue> {
-        reflect_optional_sum(dag, cardinality_decl_id, opt.cloned(), |d, w| {
-            reflect_workflow_effect(d, &w)
-        })
-    }
-
-    fn reflect_optional_branch_emit(
-        dag: &Dag,
-        cardinality_decl_id: DeclarationId,
-        opt: Option<BranchEmitParticipation>,
-    ) -> ReflectResult<FieldValue> {
-        reflect_optional_sum(dag, cardinality_decl_id, opt, |d, p| match p {
-            BranchEmitParticipation::UserMatch => {
-                reflect_unit_variant(d, "BranchEmitParticipation", "UserMatch")
-            }
-        })
-    }
-
-    fn reflect_optional_bind_emit(
-        dag: &Dag,
-        cardinality_decl_id: DeclarationId,
-        opt: Option<BindEmitParticipation>,
-    ) -> ReflectResult<FieldValue> {
-        reflect_optional_sum(dag, cardinality_decl_id, opt, |d, p| match p {
-            BindEmitParticipation::UserCallable => {
-                reflect_unit_variant(d, "BindEmitParticipation", "UserCallable")
-            }
-        })
-    }
-
-    fn reflect_transform_target(dag: &Dag, t: &TransformTarget) -> ReflectResult<FieldValue> {
-        match t {
-            TransformTarget::Callable(callee) => sum_variant_payload(
-                dag,
-                "TransformTarget",
-                "Callable",
-                vec![FieldValue::Reference(*callee)],
-            ),
-            TransformTarget::UnresolvedFieldProject { field_label } => sum_variant_payload(
-                dag,
-                "TransformTarget",
-                "UnresolvedFieldProject",
-                vec![FieldValue::Literal(LiteralBits::String(
-                    field_label.clone(),
-                ))],
-            ),
-            TransformTarget::ResolvedFieldProject { field_label } => sum_variant_payload(
-                dag,
-                "TransformTarget",
-                "ResolvedFieldProject",
-                vec![FieldValue::Literal(LiteralBits::String(
-                    field_label.clone(),
-                ))],
-            ),
-            TransformTarget::Operator(op) => sum_variant_payload(
-                dag,
-                "TransformTarget",
-                "Operator",
-                vec![reflect_operator_kind(dag, op)?],
-            ),
-        }
-    }
-
-    fn reflect_branch_pattern(dag: &Dag, p: &BranchPattern) -> ReflectResult<FieldValue> {
-        match p {
-            BranchPattern::UnresolvedVariant { name, span } => sum_variant_payload(
-                dag,
-                "BranchPattern",
-                "UnresolvedVariant",
-                vec![
-                    FieldValue::Literal(LiteralBits::String(name.clone())),
-                    reflect_source_span(span),
-                ],
-            ),
-            BranchPattern::ResolvedVariant(decl) => sum_variant_payload(
-                dag,
-                "BranchPattern",
-                "ResolvedVariant",
-                vec![FieldValue::Reference(*decl)],
-            ),
-        }
-    }
-
-    fn reflect_optional_payload_binding(
-        dag: &Dag,
-        opt: Option<&PayloadBinding>,
-    ) -> ReflectResult<FieldValue> {
-        let path = named_record_type_root(dag, "BranchPath")?;
-        let binding_card =
-            peel_to_optional_cardinality_decl(dag, conj_field_ty(dag, path, "binding")?)?;
-        reflect_optional_sum(dag, binding_card, opt.cloned(), |_d, b| {
-            Ok(FieldValue::Record(vec![
-                (
-                    "binding_name".to_string(),
-                    FieldValue::Literal(LiteralBits::String(b.binding_name.clone())),
-                ),
-                ("payload_port".to_string(), port_fv(b.payload_port)),
-            ]))
-        })
-    }
-
-    fn reflect_branch_path(dag: &Dag, p: &Path) -> ReflectResult<FieldValue> {
-        Ok(FieldValue::Record(vec![
-            ("body".to_string(), node_fv(p.body)),
-            ("result_port".to_string(), port_fv(p.result_port())),
-            (
-                "pattern".to_string(),
-                reflect_branch_pattern(dag, &p.pattern)?,
-            ),
-            (
-                "binding".to_string(),
-                reflect_optional_payload_binding(dag, p.binding.as_ref())?,
-            ),
-        ]))
-    }
-
-    fn reflect_branch_paths(dag: &Dag, paths: &[Path]) -> ReflectResult<FieldValue> {
-        let (empty_id, cons_id) = v3_list_empty_cons_ids(dag)?;
-        let mut tail = FieldValue::Variant {
-            constructor: empty_id,
-            payload: vec![],
-        };
-        for p in paths.iter().rev() {
-            let head = reflect_branch_path(dag, p)?;
-            tail = FieldValue::Variant {
-                constructor: cons_id,
-                payload: vec![head, tail],
-            };
-        }
-        Ok(tail)
-    }
-
-    fn reflect_loop_bound(dag: &Dag, b: &LoopBound) -> ReflectResult<FieldValue> {
-        match b {
-            LoopBound::Cardinality { count } => {
-                sum_variant_payload(dag, "LoopBound", "Cardinality", vec![port_fv(*count)])
-            }
-            LoopBound::Descent { cluster, measure } => sum_variant_payload(
-                dag,
-                "LoopBound",
-                "Descent",
-                vec![cluster_fv(*cluster), port_fv(*measure)],
-            ),
-        }
-    }
-
-    fn behavior_variant_id(dag: &Dag, label: &str) -> ReflectResult<DeclarationId> {
-        disj_variant_ty(dag, "Behavior", label)
-    }
-
-    pub fn reflect_behavior(dag: &Dag, behavior: &Behavior) -> ReflectResult<FieldValue> {
-        match behavior {
-            Behavior::Value(v) => reflect_value(dag, v),
-            Behavior::Transform(t) => reflect_transform(dag, t),
-            Behavior::Branch(b) => reflect_branch(dag, b),
-            Behavior::Loop(l) => reflect_loop(dag, l),
-            Behavior::Bind(b) => reflect_bind(dag, b),
-        }
-    }
-
-    fn reflect_value(dag: &Dag, v: &ValueNode) -> ReflectResult<FieldValue> {
-        let id = behavior_variant_id(dag, "Value")?;
-        let vn = named_record_type_root(dag, "ValueNode")?;
-        let lane2_card =
-            peel_to_optional_cardinality_decl(dag, conj_field_ty(dag, vn, "lane2_workflow")?)?;
-        let lane2 = reflect_optional_workflow_effect(dag, lane2_card, v.lane2_workflow())?;
-        let payload = FieldValue::Record(vec![
-            ("id".to_string(), node_fv(v.id)),
-            ("payload".to_string(), FieldValue::Literal(v.data.clone())),
-            ("result_port".to_string(), port_fv(v.output)),
-            ("span".to_string(), reflect_source_span(&v.span)),
-            ("lane2_workflow".to_string(), lane2),
-        ]);
-        Ok(FieldValue::Variant {
-            constructor: id,
-            payload: vec![payload],
-        })
-    }
-
-    fn reflect_transform(dag: &Dag, t: &TransformNode) -> ReflectResult<FieldValue> {
-        let id = behavior_variant_id(dag, "Transform")?;
-        let inputs = reflect_port_id_list(dag, &t.inputs)?;
-        let payload = FieldValue::Record(vec![
-            ("id".to_string(), node_fv(t.id)),
-            (
-                "target".to_string(),
-                reflect_transform_target(dag, &t.target)?,
-            ),
-            ("inputs".to_string(), inputs),
-            ("result_port".to_string(), port_fv(t.output)),
-            ("span".to_string(), reflect_source_span(&t.span)),
-        ]);
-        Ok(FieldValue::Variant {
-            constructor: id,
-            payload: vec![payload],
-        })
-    }
-
-    fn reflect_branch(dag: &Dag, b: &BranchNode) -> ReflectResult<FieldValue> {
-        let id = behavior_variant_id(dag, "Branch")?;
-        let paths = reflect_branch_paths(dag, &b.paths)?;
-        let br = named_record_type_root(dag, "BranchNode")?;
-        let emit_card =
-            peel_to_optional_cardinality_decl(dag, conj_field_ty(dag, br, "emit_participation")?)?;
-        let emit = reflect_optional_branch_emit(dag, emit_card, b.emit_participation())?;
-        let payload = FieldValue::Record(vec![
-            ("id".to_string(), node_fv(b.id)),
-            ("input".to_string(), port_fv(b.input)),
-            ("paths".to_string(), paths),
-            ("result_port".to_string(), port_fv(b.output)),
-            ("span".to_string(), reflect_source_span(&b.span)),
-            ("emit_participation".to_string(), emit),
-        ]);
-        Ok(FieldValue::Variant {
-            constructor: id,
-            payload: vec![payload],
-        })
-    }
-
-    fn reflect_loop(dag: &Dag, l: &LoopNode) -> ReflectResult<FieldValue> {
-        let id = behavior_variant_id(dag, "Loop")?;
-        let bound = reflect_loop_bound(dag, &l.bound)?;
-        let payload = FieldValue::Record(vec![
-            ("id".to_string(), node_fv(l.id)),
-            ("source".to_string(), port_fv(l.source)),
-            ("init".to_string(), port_fv(l.init)),
-            ("body".to_string(), node_fv(l.body)),
-            ("bound".to_string(), bound),
-            ("result_port".to_string(), port_fv(l.output)),
-            ("span".to_string(), reflect_source_span(&l.span)),
-        ]);
-        Ok(FieldValue::Variant {
-            constructor: id,
-            payload: vec![payload],
-        })
-    }
-
-    fn reflect_bind(dag: &Dag, b: &BindNode) -> ReflectResult<FieldValue> {
-        let id = behavior_variant_id(dag, "Bind")?;
-        let params = reflect_port_id_list(dag, &b.params)?;
-        let bn = named_record_type_root(dag, "BindNode")?;
-        let lane2_card =
-            peel_to_optional_cardinality_decl(dag, conj_field_ty(dag, bn, "lane2_workflow")?)?;
-        let emit_card =
-            peel_to_optional_cardinality_decl(dag, conj_field_ty(dag, bn, "emit_participation")?)?;
-        let lane2 = reflect_optional_workflow_effect(dag, lane2_card, b.lane2_workflow())?;
-        let emit = reflect_optional_bind_emit(dag, emit_card, b.emit_participation())?;
-        let payload = FieldValue::Record(vec![
-            ("id".to_string(), node_fv(b.id)),
-            (
-                "name".to_string(),
-                FieldValue::Literal(LiteralBits::String(b.name.clone())),
-            ),
-            ("result_port".to_string(), port_fv(b.value)),
-            ("params".to_string(), params),
-            ("span".to_string(), reflect_source_span(&b.span)),
-            ("lane2_workflow".to_string(), lane2),
-            ("emit_participation".to_string(), emit),
-        ]);
-        Ok(FieldValue::Variant {
-            constructor: id,
-            payload: vec![payload],
-        })
-    }
-
-    pub fn reflect_behavior_list(dag: &Dag, nodes: &[Behavior]) -> ReflectResult<FieldValue> {
-        let (empty_id, cons_id) = v3_list_empty_cons_ids(dag)?;
-        let mut tail = FieldValue::Variant {
-            constructor: empty_id,
-            payload: vec![],
-        };
-        for behavior in nodes.iter().rev() {
-            let head = reflect_behavior(dag, behavior)?;
-            tail = FieldValue::Variant {
-                constructor: cons_id,
-                payload: vec![head, tail],
-            };
-        }
-        Ok(tail)
-    }
-
-    #[cfg(test)]
-    mod reflection_tests {
-        use super::*;
-        use crate::compile_to_dag;
-        use crate::dag::{
-            Behavior, DeclarationId, FieldValue, LiteralBits, LoopBound, TransformTarget,
-            TypeConnective,
-        };
-
-        fn compile(src: &str, file: &str) -> Dag {
-            match compile_to_dag(src, file) {
-                Ok(d) => {
-                    assert!(d.diagnostics().is_empty(), "{file}: {:?}", d.diagnostics());
-                    d
-                }
-                Err(e) => panic!("compile {file}: {e:?}"),
-            }
-        }
-
-        fn behavior_inner_record(fv: &FieldValue) -> &[(String, FieldValue)] {
-            let FieldValue::Variant { payload, .. } = fv else {
-                panic!("expected Behavior variant, got {fv:?}");
-            };
-            assert_eq!(payload.len(), 1, "Behavior variant payload");
-            let FieldValue::Record(fields) = &payload[0] else {
-                panic!("expected inner record");
-            };
-            fields.as_slice()
-        }
-
-        fn record_get<'a>(rec: &'a [(String, FieldValue)], key: &str) -> &'a FieldValue {
-            rec.iter()
-                .find(|(k, _)| k == key)
-                .map(|(_, v)| v)
-                .unwrap_or_else(|| panic!("missing field `{key}` in {rec:?}"))
-        }
-
-        fn list_spine_len(dag: &Dag, list: &FieldValue) -> usize {
-            let (empty_id, _) = v3_list_empty_cons_ids(dag).expect("List ids");
-            let mut n = 0;
-            let mut cur = list;
-            loop {
-                let FieldValue::Variant {
-                    constructor,
-                    payload,
-                } = cur
-                else {
-                    panic!("expected List spine");
-                };
-                if *constructor == empty_id {
-                    break;
-                }
-                assert_eq!(payload.len(), 2, "Cons payload");
-                n += 1;
-                cur = &payload[1];
-            }
-            n
-        }
-
-        fn loop_bound_variant_label(dag: &Dag, variant_constructor_ty: DeclarationId) -> String {
-            let decl = dag
-                .declaration_by_name("LoopBound")
-                .expect("LoopBound declaration");
-            let TypeConnective::Disj { variants } = &decl.connective else {
-                panic!("LoopBound not a Disj");
-            };
-            variants
-                .iter()
-                .find(|v| v.ty == variant_constructor_ty)
-                .map(|v| v.label.clone())
-                .unwrap_or_else(|| {
-                    panic!("constructor {variant_constructor_ty:?} not a LoopBound variant");
-                })
-        }
-
-        fn optional_carrier_variant_label(dag: &Dag, fv: &FieldValue) -> String {
-            let FieldValue::Variant { constructor, .. } = fv else {
-                panic!("expected optional carrier variant, got {fv:?}");
-            };
-            dag.declarations()
-                .iter()
-                .find_map(|decl| match &decl.connective {
-                    TypeConnective::Disj { variants } => variants
-                        .iter()
-                        .find(|v| v.ty == *constructor)
-                        .map(|v| v.label.clone()),
-                    _ => None,
-                })
-                .unwrap_or_else(|| {
-                    panic!("constructor {constructor:?} not a sum variant payload ty")
-                })
-        }
-
-        /// Peel empty `Instantiation` wrappers to the underlying `Conj` (same contract as
-        /// `substrate_reflection::named_record_type_root`).
-        fn named_conj_root_id(dag: &Dag, substrate_record_name: &str) -> DeclarationId {
-            let mut decl_id = dag
-                .declaration_by_name(substrate_record_name)
-                .unwrap_or_else(|| panic!("missing declaration `{substrate_record_name}`"))
-                .id;
-            const PEEL_MAX: usize = 64;
-            for _ in 0..PEEL_MAX {
-                match &dag.declaration(decl_id).connective {
-                    TypeConnective::Conj { .. } => return decl_id,
-                    TypeConnective::Instantiation {
-                        template,
-                        arguments,
-                    } if arguments.is_empty() => {
-                        decl_id = *template;
-                    }
-                    _ => panic!("`{substrate_record_name}` did not peel to a Conj"),
-                }
-            }
-            panic!("peel depth exceeded for `{substrate_record_name}`");
-        }
-
-        /// Ratchet: reflected `Record` field **order and labels** match the named substrate `Conj`.
-        fn assert_record_matches_named_substrate_conj(
-            dag: &Dag,
-            rec: &[(String, FieldValue)],
-            substrate_record_name: &str,
-        ) {
-            let conj_id = named_conj_root_id(dag, substrate_record_name);
-            let TypeConnective::Conj { children } = &dag.declaration(conj_id).connective else {
-                panic!("`{substrate_record_name}` not a Conj after peel");
-            };
-            assert_eq!(
-                rec.len(),
-                children.len(),
-                "`{substrate_record_name}`: reflected field count vs declared Conj arity"
-            );
-            for (i, ((ref_label, _), decl_field)) in rec.iter().zip(children.iter()).enumerate() {
-                assert_eq!(
-                    ref_label, &decl_field.label,
-                    "`{substrate_record_name}`: field {i} label mismatch (reflection vs substrate.dag)"
-                );
-            }
-        }
-
-        /// Ratchet: `FieldValue::Variant` payload slot count matches the declared variant payload
-        /// shape (`Conj` children when the constructor is a record; otherwise 0–1 like
-        /// `sum_variant_payload`).
-        fn assert_sum_variant_payload_matches_substrate(
-            dag: &Dag,
-            sum_decl_name: &str,
-            fv: &FieldValue,
-        ) {
-            let FieldValue::Variant {
-                constructor,
-                payload,
-            } = fv
-            else {
-                panic!("expected sum variant, got {fv:?}");
-            };
-            let ctor_ty = *constructor;
-            let ctor_decl = dag.declaration(ctor_ty);
-            let variant_label = {
-                let sum_decl = dag
-                    .declaration_by_name(sum_decl_name)
-                    .unwrap_or_else(|| panic!("missing sum `{sum_decl_name}`"));
-                let TypeConnective::Disj { variants } = &sum_decl.connective else {
-                    panic!("`{sum_decl_name}` not a Disj");
-                };
-                variants
-                    .iter()
-                    .find(|v| v.ty == ctor_ty)
-                    .map(|v| v.label.as_str())
-                    .unwrap_or_else(|| {
-                        panic!("constructor {ctor_ty:?} is not a variant of `{sum_decl_name}`")
-                    })
-            };
-            match &ctor_decl.connective {
-                TypeConnective::Conj { children } => {
-                    assert_eq!(
-                        payload.len(),
-                        children.len(),
-                        "`{sum_decl_name}`::{variant_label}: payload arity vs declared Conj"
-                    );
-                }
-                _ => {
-                    assert!(
-                        payload.len() <= 1,
-                        "`{sum_decl_name}`::{variant_label}: non-Conj constructor allows at most one payload; got {}",
-                        payload.len()
-                    );
-                }
-            }
-        }
-
-        #[test]
-        fn reflection_optional_fields_use_some_none_not_list() {
-            let src = "let x: Int = 7\n";
-            let file = "reflect_optional_carrier_value.v3";
-            let dag = compile(src, file);
-            let v = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Value(v) if v.span.file == file => Some(v),
-                    _ => None,
-                })
-                .expect("Value node");
-            let fv = reflect_behavior(&dag, &Behavior::Value(v.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            let lane2 = record_get(rec, "lane2_workflow");
-            assert_eq!(optional_carrier_variant_label(&dag, lane2), "None");
-
-            let src_bind = "fn g(x: Int) -> Int = x + 1\n";
-            let file_bind = "reflect_optional_carrier_bind.v3";
-            let dag_b = compile(src_bind, file_bind);
-            let b = dag_b
-                .nodes()
-                .iter()
-                .find_map(|beh| match beh {
-                    Behavior::Bind(b) if b.span.file == file_bind && !b.params.is_empty() => {
-                        Some(b)
-                    }
-                    _ => None,
-                })
-                .expect("Bind node");
-            let fv_b = reflect_behavior(&dag_b, &Behavior::Bind(b.clone())).expect("reflect bind");
-            let rec_b = behavior_inner_record(&fv_b);
-            let emit = record_get(rec_b, "emit_participation");
-            assert_eq!(optional_carrier_variant_label(&dag_b, emit), "Some");
-        }
-
-        #[test]
-        fn reflection_value_includes_all_substrate_fields() {
-            let src = "let x: Int = 7\n";
-            let file = "reflect_value.v3";
-            let dag = compile(src, file);
-            let v = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Value(v) if v.span.file == file => Some(v),
-                    _ => None,
-                })
-                .expect("Value node");
-            let fv = reflect_behavior(&dag, &Behavior::Value(v.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            for key in ["id", "payload", "result_port", "span", "lane2_workflow"] {
-                let _ = record_get(rec, key);
-            }
-        }
-
-        #[test]
-        fn reflection_transform_includes_target_inputs_and_span() {
-            let src = "fn f(a: Int, b: Int) -> Int = a + b\n";
-            let file = "reflect_transform.v3";
-            let dag = compile(src, file);
-            let t = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Transform(t) if t.span.file == file => Some(t),
-                    _ => None,
-                })
-                .expect("Transform node");
-            let fv = reflect_behavior(&dag, &Behavior::Transform(t.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            for key in ["id", "target", "inputs", "result_port", "span"] {
-                let _ = record_get(rec, key);
-            }
-        }
-
-        #[test]
-        fn reflection_bind_includes_params_lane2_emit() {
-            let src = "fn g(x: Int) -> Int = x + 1\n";
-            let file = "reflect_bind.v3";
-            let dag = compile(src, file);
-            let b = dag
-                .nodes()
-                .iter()
-                .find_map(|beh| match beh {
-                    Behavior::Bind(b) if b.span.file == file && !b.params.is_empty() => Some(b),
-                    _ => None,
-                })
-                .expect("Bind node");
-            let fv = reflect_behavior(&dag, &Behavior::Bind(b.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            for key in [
-                "id",
-                "name",
-                "result_port",
-                "params",
-                "span",
-                "lane2_workflow",
-                "emit_participation",
-            ] {
-                let _ = record_get(rec, key);
-            }
-        }
-
-        #[test]
-        fn reflection_branch_three_arms_totality() {
-            let src = "\
-    type Color = Red | Green | Blue
-    fn classify(h: Color) -> Int = match h { Red => 0, Green => 1, Blue => 2 }
-    ";
-            let file = "reflect_branch_three.v3";
-            let dag = compile(src, file);
-            let br = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Branch(br) if br.span.file == file => Some(br),
-                    _ => None,
-                })
-                .expect("Branch");
-            assert_eq!(br.paths.len(), 3);
-            let fv = reflect_behavior(&dag, &Behavior::Branch(br.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            assert_record_matches_named_substrate_conj(&dag, rec, "BranchNode");
-            let paths = record_get(rec, "paths");
-            assert_eq!(list_spine_len(&dag, paths), 3);
-            let FieldValue::Variant { payload, .. } = paths else {
-                panic!("paths list");
-            };
-            assert_eq!(payload.len(), 2);
-            let FieldValue::Record(arm_fields) = &payload[0] else {
-                panic!("first arm record");
-            };
-            for key in ["body", "result_port", "pattern", "binding"] {
-                let _ = record_get(arm_fields, key);
-            }
-        }
-
-        #[test]
-        fn reflection_loop_bound_coproduct_cardinality_vs_descent() {
-            let src_single = "\
-    fn count(n: Int) -> Int = if n == 0 then 0 else 1 + count(n - 1)
-    let _: Int = count(1)
-    ";
-            let file_c = "reflect_loop_card.v3";
-            let dag_c = compile(src_single, file_c);
-            let lp_c = dag_c
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Loop(l) if l.span.file == file_c => Some(l),
-                    _ => None,
-                })
-                .expect("cardinality loop");
-            assert!(matches!(lp_c.bound, LoopBound::Cardinality { .. }));
-            let fv_c = reflect_behavior(&dag_c, &Behavior::Loop(lp_c.clone())).expect("reflect");
-            let rec_c = behavior_inner_record(&fv_c);
-            assert_record_matches_named_substrate_conj(&dag_c, rec_c, "LoopNode");
-            let bound_c = record_get(rec_c, "bound");
-            let FieldValue::Variant {
-                constructor: c_ty, ..
-            } = bound_c
-            else {
-                panic!("LoopBound variant");
-            };
-            assert_eq!(loop_bound_variant_label(&dag_c, *c_ty), "Cardinality");
-
-            let src_mutual = "\
-    fn even(n: Int) -> Bool = if n == 0 then true else odd(n - 1)
-    fn odd(n: Int) -> Bool = if n == 0 then false else even(n - 1)
-    ";
-            let file_d = "reflect_loop_desc.v3";
-            let dag_d = compile(src_mutual, file_d);
-            let lp_d = dag_d
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Loop(l)
-                        if l.span.file == file_d
-                            && matches!(l.bound, LoopBound::Descent { .. }) =>
-                    {
-                        Some(l)
-                    }
-                    _ => None,
-                })
-                .expect("descent loop");
-            let fv_d = reflect_behavior(&dag_d, &Behavior::Loop(lp_d.clone())).expect("reflect");
-            let rec_d = behavior_inner_record(&fv_d);
-            assert_record_matches_named_substrate_conj(&dag_d, rec_d, "LoopNode");
-            let bound_d = record_get(rec_d, "bound");
-            let FieldValue::Variant {
-                constructor: d_ty, ..
-            } = bound_d
-            else {
-                panic!("LoopBound variant");
-            };
-            assert_eq!(loop_bound_variant_label(&dag_d, *d_ty), "Descent");
-        }
-
-        #[test]
-        fn reflection_value_inner_record_matches_value_node_conj_decl() {
-            let src = "let x: Int = 7\n";
-            let file = "reflect_schema_value.v3";
-            let dag = compile(src, file);
-            let v = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Value(v) if v.span.file == file => Some(v),
-                    _ => None,
-                })
-                .expect("Value node");
-            let fv = reflect_behavior(&dag, &Behavior::Value(v.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            assert_record_matches_named_substrate_conj(&dag, rec, "ValueNode");
-        }
-
-        #[test]
-        fn reflection_source_span_record_matches_types_dag_conj_decl() {
-            let src = "let x: Int = 7\n";
-            let file = "reflect_schema_source_span.v3";
-            let dag = compile(src, file);
-            let v = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Value(v) if v.span.file == file => Some(v),
-                    _ => None,
-                })
-                .expect("Value node");
-            let fv = reflect_behavior(&dag, &Behavior::Value(v.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            let span_rec = match record_get(rec, "span") {
-                FieldValue::Record(fields) => fields.as_slice(),
-                other => panic!("expected span record, got {other:?}"),
-            };
-            assert_record_matches_named_substrate_conj(&dag, span_rec, "SourceSpan");
-            assert_eq!(
-                record_get(span_rec, "start"),
-                &FieldValue::Literal(LiteralBits::Int(i64::from(v.span.byte_start).to_string()))
-            );
-            assert_eq!(
-                record_get(span_rec, "end"),
-                &FieldValue::Literal(LiteralBits::Int(i64::from(v.span.byte_end).to_string()))
-            );
-        }
-
-        #[test]
-        fn reflection_transform_inner_record_matches_transform_node_conj_decl() {
-            let src = "fn f(a: Int, b: Int) -> Int = a + b\n";
-            let file = "reflect_schema_transform.v3";
-            let dag = compile(src, file);
-            let t = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Transform(t) if t.span.file == file => Some(t),
-                    _ => None,
-                })
-                .expect("Transform node");
-            let fv = reflect_behavior(&dag, &Behavior::Transform(t.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            assert_record_matches_named_substrate_conj(&dag, rec, "TransformNode");
-        }
-
-        #[test]
-        fn reflection_bind_inner_record_matches_bind_node_conj_decl() {
-            let src = "fn g(x: Int) -> Int = x + 1\n";
-            let file = "reflect_schema_bind.v3";
-            let dag = compile(src, file);
-            let b = dag
-                .nodes()
-                .iter()
-                .find_map(|beh| match beh {
-                    Behavior::Bind(b) if b.span.file == file && !b.params.is_empty() => Some(b),
-                    _ => None,
-                })
-                .expect("Bind node");
-            let fv = reflect_behavior(&dag, &Behavior::Bind(b.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            assert_record_matches_named_substrate_conj(&dag, rec, "BindNode");
-        }
-
-        #[test]
-        fn reflection_transform_target_callable_variant_matches_substrate_payload_shape() {
-            let src = "fn id(x: Int) -> Int = x\nlet _: Int = id(1)\n";
-            let file = "reflect_schema_callable.v3";
-            let dag = compile(src, file);
-            let t = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Transform(t) if t.span.file == file => match &t.target {
-                        TransformTarget::Callable(_) => Some(t),
-                        _ => None,
-                    },
-                    _ => None,
-                })
-                .expect("Callable transform");
-            let fv = reflect_behavior(&dag, &Behavior::Transform(t.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            let target = record_get(rec, "target");
-            assert_sum_variant_payload_matches_substrate(&dag, "TransformTarget", target);
-        }
-
-        #[test]
-        fn reflection_transform_target_field_project_variant_matches_substrate_payload_shape() {
-            let src = "\
-type Point { x: Int y: Int }
-fn get_x(point: Point) -> Int = point.x
-";
-            let file = "reflect_schema_field_proj.v3";
-            let dag = compile(src, file);
-            let t = dag
-                .nodes()
-                .iter()
-                .find_map(|b| match b {
-                    Behavior::Transform(t) if t.span.file == file => match &t.target {
-                        TransformTarget::UnresolvedFieldProject { .. }
-                        | TransformTarget::ResolvedFieldProject { .. } => Some(t),
-                        _ => None,
-                    },
-                    _ => None,
-                })
-                .expect("FieldProject transform");
-            let fv = reflect_behavior(&dag, &Behavior::Transform(t.clone())).expect("reflect");
-            let rec = behavior_inner_record(&fv);
-            let target = record_get(rec, "target");
-            assert_sum_variant_payload_matches_substrate(&dag, "TransformTarget", target);
-        }
-    }
-}
-
-// R3 gate #6 (`lens_testgen_dot_rs_retired`): the standalone `lens_testgen.rs` file is removed
-// from SG-0 hand-Rust census; this nested module preserves the stable `v3_compiler::lens_testgen`
-// surface (re-exported from `lib.rs`) until PB-Runtime owns testgen end-to-end.
-pub mod lens_testgen {
-    include!("lens_testgen_body.txt");
-}
-
-pub use substrate_reflection::reflect_behavior_list;
diff --git a/src/v3/compiler/src/lens_effect_enumeration_generated.rs b/src/v3/compiler/src/lens_effect_enumeration_generated.rs
deleted file mode 100644
index ea5581b83ec..00000000000
--- a/src/v3/compiler/src/lens_effect_enumeration_generated.rs
+++ /dev/null
@@ -1,331 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/effect_enumeration.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub enum EffectEnumerationAuthoritySite {
-    SubstrateDagBehaviorNode,
-    ServicesOperationCarrier,
-}
-#[derive(Clone, Debug)]
-pub enum StructuralEffectShape {
-    NoEffect,
-    ReadShaped,
-    WriteShaped,
-    UnknownEffect { reason: String },
-}
-#[derive(Clone, Debug)]
-pub struct EffectFact {
-    pub port: PortId,
-    pub shape: StructuralEffectShape,
-}
-#[derive(Clone, Debug)]
-pub struct CoverageGap {
-    pub node: NodeId,
-    pub reason: String,
-}
-#[derive(Clone, Debug)]
-pub struct RedundantReadError {
-    pub first_read: PortId,
-    pub redundant_read: PortId,
-    pub reason: String,
-}
-#[derive(Clone, Debug)]
-pub enum TransactionalPattern {
-    NoTransaction,
-    BeginModifyCommit { root: NodeId },
-}
-#[derive(Clone, Debug)]
-pub struct EffectEnumerationReport {
-    pub facts: Vec<EffectFact>,
-    pub coverage_gaps: Vec<CoverageGap>,
-    pub redundant_reads: Vec<RedundantReadError>,
-    pub transaction: TransactionalPattern,
-}
-pub fn enumerate_effects(p0: &Dag) -> EffectEnumerationReport {
-    EffectEnumerationReport {
-        facts: compute_effect_facts(p0),
-        coverage_gaps: compute_coverage_gaps(p0),
-        redundant_reads: Vec::new(),
-        transaction: transaction_pattern(p0),
-    }
-}
-pub fn operation_structural_effect_shape(p0: &Operation) -> StructuralEffectShape {
-    match &(classify_operation_effect(p0)) {
-        EffectClassificationResult::EffectClassified { shape: shape } => {
-            effect_shape_to_structural(shape)
-        }
-        EffectClassificationResult::EffectClassificationFailed { failure: _ } => {
-            StructuralEffectShape::UnknownEffect {
-                reason: String::from("operation effect classification failed"),
-            }
-        }
-    }
-}
-pub fn effect_shape_to_structural(p0: &EffectShape) -> StructuralEffectShape {
-    match p0 {
-        EffectShape::IsIdempotent(idempotent) => idempotent_shape_to_structural(idempotent),
-        EffectShape::IsBreaking(breaking) => breaking_shape_to_structural(breaking),
-    }
-}
-pub fn idempotent_shape_to_structural(p0: &IdempotentShape) -> StructuralEffectShape {
-    match p0 {
-        IdempotentShape::ReadEffect => StructuralEffectShape::ReadShaped,
-        IdempotentShape::UpsertEffect { key_source: _ } => StructuralEffectShape::WriteShaped,
-        IdempotentShape::DeleteEffect { key_source: _ } => StructuralEffectShape::WriteShaped,
-    }
-}
-pub fn breaking_shape_to_structural(p0: &BreakingShape) -> StructuralEffectShape {
-    match p0 {
-        BreakingShape::CreateEffect { cause: _ } => StructuralEffectShape::WriteShaped,
-        BreakingShape::AppendEffect => StructuralEffectShape::WriteShaped,
-    }
-}
-pub fn compute_effect_facts(p0: &Dag) -> Vec<EffectFact> {
-    ((p0).nodes())
-        .iter()
-        .fold(Vec::new(), |__fold_acc, __fold_item| {
-            let mut __list = (__fold_acc).clone();
-            __list.insert(0, effect_fact_for(p0, &__fold_acc, __fold_item));
-            __list
-        })
-}
-pub fn effect_fact_for(p0: &Dag, p1: &[EffectFact], p2: &Behavior) -> EffectFact {
-    match p2 {
-        Behavior::Value(v) => EffectFact {
-            port: (v).result_port(),
-            shape: StructuralEffectShape::NoEffect,
-        },
-        Behavior::Transform(t) => EffectFact {
-            port: (t).result_port(),
-            shape: transform_effect(p0, t),
-        },
-        Behavior::Branch(b) => EffectFact {
-            port: (b).result_port(),
-            shape: branch_effect(p1, &((b).paths)),
-        },
-        Behavior::Loop(l) => EffectFact {
-            port: (l).result_port(),
-            shape: loop_effect(p0, p1, &((l).body)),
-        },
-        Behavior::Bind(bind) => EffectFact {
-            port: (bind).result_port(),
-            shape: bind_effect(p0, p1, bind),
-        },
-    }
-}
-pub fn bind_effect(p0: &Dag, p1: &[EffectFact], p2: &BindNode) -> StructuralEffectShape {
-    match &((p0).resolve_producer_opt(&((p2).result_port())).cloned()) {
-        None => StructuralEffectShape::UnknownEffect {
-            reason: String::from("bind result producer missing from substrate"),
-        },
-        Some(producer) => {
-            if (behavior_node_id(producer) == (p2).id) {
-                StructuralEffectShape::UnknownEffect {
-                    reason: String::from("bind result producer self-shadows bind output"),
-                }
-            } else {
-                effect_at(p1, &(behavior_result_port(producer)))
-            }
-        }
-    }
-}
-pub fn transform_effect(p0: &Dag, p1: &TransformNode) -> StructuralEffectShape {
-    match &((p1).target) {
-        TransformTarget::Callable(id) => callable_signature_effect(p0, id),
-        TransformTarget::UnresolvedFieldProject { field_label: _ } => {
-            StructuralEffectShape::NoEffect
-        }
-        TransformTarget::ResolvedFieldProject { field_label: _ } => StructuralEffectShape::NoEffect,
-        TransformTarget::Operator(_) => StructuralEffectShape::NoEffect,
-    }
-}
-pub fn callable_signature_effect(p0: &Dag, p1: &DeclarationId) -> StructuralEffectShape {
-    match &((p0).declaration_opt(p1).cloned()) {
-        None => StructuralEffectShape::UnknownEffect {
-            reason: String::from("callable declaration missing from substrate"),
-        },
-        Some(decl) => match &((decl).connective) {
-            TypeConnective::Arrow {
-                inputs: __a_inputs,
-                output: __a_output,
-                body: __a_body,
-            } => callable_arrow_effect(__a_inputs, __a_output, __a_body),
-            TypeConnective::Atom(_) => StructuralEffectShape::UnknownEffect {
-                reason: String::from("transform target is not an arrow declaration"),
-            },
-            TypeConnective::Conj { children: _ } => StructuralEffectShape::UnknownEffect {
-                reason: String::from("transform target is not an arrow declaration"),
-            },
-            TypeConnective::Disj { variants: _ } => StructuralEffectShape::UnknownEffect {
-                reason: String::from("transform target is not an arrow declaration"),
-            },
-            TypeConnective::Cardinality(_) => StructuralEffectShape::UnknownEffect {
-                reason: String::from("transform target is not an arrow declaration"),
-            },
-            TypeConnective::Instantiation {
-                template: _,
-                arguments: _,
-            } => StructuralEffectShape::UnknownEffect {
-                reason: String::from("transform target is not an arrow declaration"),
-            },
-        },
-    }
-}
-pub fn callable_arrow_effect(
-    p0: &[DeclarationId],
-    p1: &DeclarationId,
-    p2: &ArrowBody,
-) -> StructuralEffectShape {
-    match p0 {
-        [] => body_default_effect(p2),
-        [__list_head, __list_tail @ ..] => {
-            if ((*(__list_head)) == (*(p1))) {
-                StructuralEffectShape::WriteShaped
-            } else {
-                callable_arrow_effect(__list_tail, p1, p2)
-            }
-        }
-    }
-}
-pub fn body_default_effect(p0: &ArrowBody) -> StructuralEffectShape {
-    match p0 {
-        ArrowBody::ExternalRealization(_) => StructuralEffectShape::ReadShaped,
-        ArrowBody::UserDefined(_) => StructuralEffectShape::ReadShaped,
-        ArrowBody::NoBody => StructuralEffectShape::UnknownEffect {
-            reason: String::from("callable has no body and no external realization"),
-        },
-        ArrowBody::Pending => StructuralEffectShape::UnknownEffect {
-            reason: String::from("callable body pending; signature coverage incomplete"),
-        },
-        ArrowBody::Unparsed(_) => StructuralEffectShape::UnknownEffect {
-            reason: String::from("callable body unparsed; signature coverage incomplete"),
-        },
-    }
-}
-pub fn branch_effect(p0: &[EffectFact], p1: &[Path]) -> StructuralEffectShape {
-    (p1).iter().fold(
-        StructuralEffectShape::NoEffect,
-        |__fold_acc, __fold_item| {
-            combine_effects(
-                (__fold_acc).clone(),
-                effect_at(p0, &((__fold_item).result_port())),
-            )
-        },
-    )
-}
-pub fn loop_effect(p0: &Dag, p1: &[EffectFact], p2: &NodeId) -> StructuralEffectShape {
-    match &((p0).node_opt(p2).cloned()) {
-        None => StructuralEffectShape::UnknownEffect {
-            reason: String::from("loop body node missing from substrate"),
-        },
-        Some(behavior) => effect_at(p1, &(behavior_result_port(behavior))),
-    }
-}
-pub fn behavior_result_port(p0: &Behavior) -> PortId {
-    match p0 {
-        Behavior::Value(v) => (v).result_port(),
-        Behavior::Transform(t) => (t).result_port(),
-        Behavior::Branch(br) => (br).result_port(),
-        Behavior::Loop(lp) => (lp).result_port(),
-        Behavior::Bind(bind) => (bind).result_port(),
-    }
-}
-pub fn combine_effects(
-    p0: StructuralEffectShape,
-    p1: StructuralEffectShape,
-) -> StructuralEffectShape {
-    match &p0 {
-        StructuralEffectShape::UnknownEffect { reason: _ } => p0,
-        StructuralEffectShape::WriteShaped => StructuralEffectShape::WriteShaped,
-        StructuralEffectShape::ReadShaped => match &p1 {
-            StructuralEffectShape::UnknownEffect { reason: _ } => p1,
-            StructuralEffectShape::WriteShaped => StructuralEffectShape::WriteShaped,
-            StructuralEffectShape::ReadShaped => StructuralEffectShape::ReadShaped,
-            StructuralEffectShape::NoEffect => StructuralEffectShape::ReadShaped,
-        },
-        StructuralEffectShape::NoEffect => p1,
-    }
-}
-pub fn effect_at(p0: &[EffectFact], p1: &PortId) -> StructuralEffectShape {
-    match p0 {
-        [] => StructuralEffectShape::UnknownEffect {
-            reason: String::from("effect fact missing for port"),
-        },
-        [__list_head, __list_tail @ ..] => {
-            if ((__list_head).port == (*(p1))) {
-                ((__list_head).shape).clone()
-            } else {
-                effect_at(__list_tail, p1)
-            }
-        }
-    }
-}
-pub fn compute_coverage_gaps(p0: &Dag) -> Vec<CoverageGap> {
-    compute_coverage_gaps_from_facts((p0).nodes(), p0, &(compute_effect_facts(p0)))
-}
-pub fn compute_coverage_gaps_from_facts(
-    p0: &[Behavior],
-    p1: &Dag,
-    p2: &[EffectFact],
-) -> Vec<CoverageGap> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => prepend_gap(
-            &(coverage_gap_for(p1, p2, __list_head)),
-            compute_coverage_gaps_from_facts(__list_tail, p1, p2),
-        ),
-    }
-}
-pub fn prepend_gap(p0: &[CoverageGap], p1: Vec<CoverageGap>) -> Vec<CoverageGap> {
-    match p0 {
-        [] => p1,
-        [__list_head, __list_tail @ ..] => {
-            let mut __list = prepend_gap(__list_tail, (p1).clone());
-            __list.insert(0, (__list_head).clone());
-            __list
-        }
-    }
-}
-pub fn coverage_gap_for(p0: &Dag, p1: &[EffectFact], p2: &Behavior) -> Vec<CoverageGap> {
-    match p2 {
-        Behavior::Transform(t) => coverage_gap_for_effect((t).id, &(transform_effect(p0, t))),
-        Behavior::Branch(br) => {
-            coverage_gap_for_effect((br).id, &(branch_effect(p1, &((br).paths))))
-        }
-        Behavior::Loop(l) => coverage_gap_for_effect((l).id, &(loop_effect(p0, p1, &((l).body)))),
-        Behavior::Bind(bind) => {
-            coverage_gap_for_effect((bind).id, &(effect_at(p1, &((bind).result_port()))))
-        }
-        Behavior::Value(_) => Vec::new(),
-    }
-}
-pub fn coverage_gap_for_effect(p0: NodeId, p1: &StructuralEffectShape) -> Vec<CoverageGap> {
-    match p1 {
-        StructuralEffectShape::UnknownEffect { reason: u } => {
-            let mut __list = Vec::new();
-            __list.insert(
-                0,
-                CoverageGap {
-                    node: p0,
-                    reason: (u).clone(),
-                },
-            );
-            __list
-        }
-        StructuralEffectShape::NoEffect => Vec::new(),
-        StructuralEffectShape::ReadShaped => Vec::new(),
-        StructuralEffectShape::WriteShaped => Vec::new(),
-    }
-}
-pub fn transaction_pattern(p0: &Dag) -> TransactionalPattern {
-    TransactionalPattern::NoTransaction
-}
-pub fn behavior_node_id(p0: &Behavior) -> NodeId {
-    match p0 {
-        Behavior::Value(v) => (v).id,
-        Behavior::Transform(t) => (t).id,
-        Behavior::Branch(b) => (b).id,
-        Behavior::Loop(l) => (l).id,
-        Behavior::Bind(bind) => (bind).id,
-    }
-}
diff --git a/src/v3/compiler/src/lens_idempotency_generated.rs b/src/v3/compiler/src/lens_idempotency_generated.rs
deleted file mode 100644
index 38a95f16ea8..00000000000
--- a/src/v3/compiler/src/lens_idempotency_generated.rs
+++ /dev/null
@@ -1,6 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/idempotency.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-pub fn analyze_workflow(p0: &Dag, p1: &NodeId) -> WorkflowIdempotencyReport {
-    match &((p0).lane2_workflow_effect_at(p1).cloned()) { None => report_unsupported_workflow_variant(&(String::from("Lane2WorkflowRoot")), &(String::from("lane2_stage2b_idempotency_lens")), &(String::from("no WorkflowEffect at this substrate root - populate `lane2_workflow` on `Value`/`Bind` via lowering or `try_register_lane2_workflow_effect`"))), Some(wf) => lane2_workflow_idempotency_report(p0, wf), }
-}
diff --git a/src/v3/compiler/src/lens_parallelism_generated.rs b/src/v3/compiler/src/lens_parallelism_generated.rs
deleted file mode 100644
index 0067cba589f..00000000000
--- a/src/v3/compiler/src/lens_parallelism_generated.rs
+++ /dev/null
@@ -1,257 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/parallelism.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-const DOWNSTREAM: &str = "lane2_stage2e_parallelism_lens";
-
-fn parallel_unsupported(
-    kind: ParallelismUnsupportedKind,
-    reason: impl Into<String>,
-) -> WorkflowParallelismReport {
-    WorkflowParallelismReport::ParallelismUnsupported(ParallelismUnsupportedDetail {
-        kind,
-        downstream_stage: DOWNSTREAM.to_string(),
-        reason: reason.into(),
-    })
-}
-
-fn pairwise_non_commute(
-    left: Operation,
-    right: Operation,
-    reason: impl Into<String>,
-) -> ParallelismUnsupportedDetail {
-    ParallelismUnsupportedDetail {
-        kind: ParallelismUnsupportedKind::PairwiseNonCommute { left, right },
-        downstream_stage: DOWNSTREAM.to_string(),
-        reason: reason.into(),
-    }
-}
-
-fn key_sources_equal(a: &KeySource, b: &KeySource) -> bool {
-    match (a, b) {
-        (KeySource::PathParam { param: pa }, KeySource::PathParam { param: pb }) => pa == pb,
-        (KeySource::InputField { field: fa }, KeySource::InputField { field: fb }) => fa == fb,
-        _ => false,
-    }
-}
-
-fn idempotent_shapes_commute(a: &IdempotentShape, b: &IdempotentShape) -> bool {
-    match (a, b) {
-        (IdempotentShape::ReadEffect, IdempotentShape::ReadEffect) => true,
-        (
-            IdempotentShape::DeleteEffect { key_source: ka },
-            IdempotentShape::DeleteEffect { key_source: kb },
-        ) => key_sources_equal(ka, kb),
-        _ => false,
-    }
-}
-
-fn operations_commute(
-    dag: &Dag,
-    a: &Operation,
-    b: &Operation,
-) -> Result<bool, EffectClassificationFailure> {
-    Ok(match (classify_operation_effect(dag, a)?, classify_operation_effect(dag, b)?) {
-        (EffectShape::IsIdempotent(ia), EffectShape::IsIdempotent(ib)) => {
-            idempotent_shapes_commute(&ia, &ib)
-        }
-        _ => false,
-    })
-}
-
-fn extract_linear_branches(
-    branches: &NonSingletonList<Box<WorkflowEffect>>,
-) -> Option<Vec<Vec<Operation>>> {
-    let mut out = Vec::new();
-    for br in branches.iter() {
-        match br.as_ref() {
-            WorkflowEffect::LinearEffect { ops } => out.push(ops.to_vec()),
-            _ => return None,
-        }
-    }
-    Some(out)
-}
-
-fn flatten_branch_ops(branch_ops: &[Vec<Operation>]) -> Vec<Operation> {
-    branch_ops
-        .iter()
-        .flat_map(|ops| ops.iter().cloned())
-        .collect()
-}
-
-fn pairwise_cross_branch_commutes(
-    dag: &Dag,
-    branch_ops: &[Vec<Operation>],
-) -> Result<(), ParallelismUnsupportedDetail> {
-    for i in 0..branch_ops.len() {
-        for j in (i + 1)..branch_ops.len() {
-            for oa in &branch_ops[i] {
-                for ob in &branch_ops[j] {
-                    match operations_commute(dag, oa, ob) {
-                        Ok(true) => {}
-                        Ok(false) => {
-                            return Err(pairwise_non_commute(
-                                oa.clone(),
-                                ob.clone(),
-                                "parallel branch operations do not commute under parallel scheduling",
-                            ));
-                        }
-                        Err(
-                            EffectClassificationFailure::StdMethodAnchorResolutionFailed
-                            | EffectClassificationFailure::UnknownOperationCallable,
-                        ) => {
-                            return Err(ParallelismUnsupportedDetail {
-                                kind: ParallelismUnsupportedKind::EffectClassificationUnavailable,
-                                downstream_stage: DOWNSTREAM.to_string(),
-                                reason: "std.effects method anchors are missing or ambiguous; operation effect classification cannot safely prove parallelism"
-                                    .to_string(),
-                            });
-                        }
-                    }
-                }
-            }
-        }
-    }
-    Ok(())
-}
-
-pub fn analyze_parallelism(p0: &Dag, p1: NodeId) -> WorkflowParallelismReport {
-    let Some(workflow) = p0.lane2_workflow_effect_at(&p1) else {
-        return parallel_unsupported(
-            ParallelismUnsupportedKind::NoWorkflowProjection,
-            "no WorkflowEffect projection on this substrate node - analysis reads only `Value`/`Bind` fields set by lowering or `try_register_lane2_workflow_effect`",
-        );
-    };
-    let WorkflowEffect::ParallelEffect { branches } = workflow else {
-        return parallel_unsupported(
-            ParallelismUnsupportedKind::NotParallelEffectRoot,
-            "parallelism lens analyzes `ParallelEffect` roots only",
-        );
-    };
-    let Some(branch_ops) = extract_linear_branches(branches) else {
-        return parallel_unsupported(
-            ParallelismUnsupportedKind::NonLinearParallelBranch,
-            "Stage 2e v1 requires every parallel branch to be `LinearEffect`",
-        );
-    };
-    match compose_operation_effects(p0, flatten_branch_ops(&branch_ops).as_slice()) {
-        Ok(CompositionVerdict::BrokenBy { first_breaker }) => {
-            return WorkflowParallelismReport::ParallelCompositionVerdict(
-                CompositionVerdict::BrokenBy { first_breaker },
-            );
-        }
-        Ok(CompositionVerdict::IdempotentComposition) => {}
-        Err(_) => {
-            return parallel_unsupported(
-                ParallelismUnsupportedKind::EffectClassificationUnavailable,
-                "std.effects method anchors are missing or ambiguous; operation effect classification cannot safely prove parallelism",
-            );
-        }
-    }
-    match pairwise_cross_branch_commutes(p0, &branch_ops) {
-        Ok(()) => WorkflowParallelismReport::ParallelCompositionVerdict(
-            CompositionVerdict::IdempotentComposition,
-        ),
-        Err(detail) => WorkflowParallelismReport::ParallelismUnsupported(detail),
-    }
-}
-
-pub(super) fn loop_iteration_parallel_emission_indicator(p0: &Dag, p1: NodeId) -> i64 {
-    let Some(workflow) = p0.lane2_workflow_effect_at(&p1) else {
-        return 0;
-    };
-    let WorkflowEffect::LoopEffect { body } = workflow else {
-        return 0;
-    };
-    let WorkflowEffect::LinearEffect { ops } = body.as_ref() else {
-        return 0;
-    };
-    if ops.is_empty() {
-        return 0;
-    }
-    for op in ops {
-        match classify_operation_effect(p0, op) {
-            Ok(EffectShape::IsIdempotent(IdempotentShape::ReadEffect)) => {}
-            Ok(_)
-            | Err(
-                EffectClassificationFailure::StdMethodAnchorResolutionFailed
-                | EffectClassificationFailure::UnknownOperationCallable,
-            ) => return 0,
-        }
-    }
-    1
-}
-
-#[derive(Clone, Copy, Debug, Eq, PartialEq)]
-pub(crate) enum ParallelismMode {
-    OptInIndependent,
-    Sequential,
-}
-
-fn behavior_parallelism_root(behavior: &Behavior) -> NodeId {
-    match behavior {
-        Behavior::Value(v) => v.id,
-        Behavior::Transform(t) => t.id,
-        Behavior::Branch(b) => b.id,
-        Behavior::Loop(l) => l.id,
-        Behavior::Bind(bind) => bind.id,
-    }
-}
-
-pub(super) fn parallelism_iteration_observed_mode(p0: &Dag, p1: NodeId) -> ParallelismMode {
-    if loop_iteration_parallel_emission_indicator(p0, p1) == 1 {
-        ParallelismMode::OptInIndependent
-    } else {
-        ParallelismMode::Sequential
-    }
-}
-
-pub(super) fn parallelism_lens_read(p0: &Dag, p1: &Behavior) -> Witness<ParallelismMode> {
-    Witness::Inhabits(parallelism_iteration_observed_mode(p0, behavior_parallelism_root(p1)))
-}
-
-pub(super) fn parallelism_lens_iterate(
-    body: ParallelismMode,
-    _bound: &LoopBound,
-) -> ParallelismMode {
-    body
-}
-
-pub(super) fn parallelism_lens_validate(
-    _p0: &Dag,
-    _p1: &ParallelismMode,
-) -> OptionalDiagnostic {
-    OptionalDiagnostic::NoDiagnostic
-}
-
-pub(super) fn parallelism_enforcement_project(m: ParallelismMode) -> ParallelismMode {
-    m
-}
-
-pub(super) fn parallelism_enforcement_violates(
-    observed: &ParallelismMode,
-    declared: &ParallelismMode,
-) -> bool {
-    match declared {
-        ParallelismMode::OptInIndependent => match observed {
-            ParallelismMode::Sequential => true,
-            ParallelismMode::OptInIndependent => false,
-        },
-        ParallelismMode::Sequential => match observed {
-            ParallelismMode::OptInIndependent => false,
-            ParallelismMode::Sequential => false,
-        },
-    }
-}
-
-pub(super) fn parallelism_lens_combine(
-    a: &ParallelismMode,
-    b: &ParallelismMode,
-) -> ParallelismMode {
-    match a {
-        ParallelismMode::Sequential => ParallelismMode::Sequential,
-        ParallelismMode::OptInIndependent => match b {
-            ParallelismMode::Sequential => ParallelismMode::Sequential,
-            ParallelismMode::OptInIndependent => ParallelismMode::OptInIndependent,
-        },
-    }
-}
diff --git a/src/v3/compiler/src/lens_provenance_generated.rs b/src/v3/compiler/src/lens_provenance_generated.rs
deleted file mode 100644
index 06a5fc68ac5..00000000000
--- a/src/v3/compiler/src/lens_provenance_generated.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/provenance.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub enum Origin {
-    NoProducer,
-    MissingPort,
-    MissingBehavior,
-    Source { _0: NodeId },
-    Computed { _0: NodeId },
-    Selected { _0: NodeId },
-    Accumulated { _0: NodeId },
-}
-pub fn origin_of(p0: &Dag, p1: &PortId) -> Origin {
-    match &((p0).port_opt(p1).cloned()) {
-        None => Origin::MissingPort,
-        Some(p) => match &((p).produced_by) {
-            None => Origin::NoProducer,
-            Some(producer_id) => match &((p0).node_opt(producer_id).cloned()) {
-                None => Origin::MissingBehavior,
-                Some(behavior) => origin_for_behavior(behavior),
-            },
-        },
-    }
-}
-pub fn origin_for_behavior(p0: &Behavior) -> Origin {
-    match p0 {
-        Behavior::Value(v) => Origin::Source { _0: (v).id },
-        Behavior::Transform(t) => Origin::Computed { _0: (t).id },
-        Behavior::Branch(b) => Origin::Selected { _0: (b).id },
-        Behavior::Loop(l) => Origin::Accumulated { _0: (l).id },
-        Behavior::Bind(bind) => Origin::Source { _0: (bind).id },
-    }
-}
diff --git a/src/v3/compiler/src/lens_structural_resolution_generated.rs b/src/v3/compiler/src/lens_structural_resolution_generated.rs
deleted file mode 100644
index a84359f7df4..00000000000
--- a/src/v3/compiler/src/lens_structural_resolution_generated.rs
+++ /dev/null
@@ -1,135 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/structural_resolution.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub struct UnresolvedArrowBody {
-    pub declaration: DeclarationId,
-    pub name: String,
-    pub span: SourceSpan,
-}
-#[derive(Clone, Debug)]
-pub struct NameKeyedReference {
-    pub declaration: DeclarationId,
-    pub resolved_to: DeclarationId,
-    pub span: SourceSpan,
-}
-pub fn check(p0: &Dag) -> Vec<UnresolvedArrowBody> {
-    ((p0).declarations())
-        .iter()
-        .fold(Vec::new(), |__fold_acc, __fold_item| {
-            prepend_all(&(check_declaration(__fold_item)), (__fold_acc).clone())
-        })
-}
-pub fn check_declaration(p0: &Declaration) -> Vec<UnresolvedArrowBody> {
-    match &((p0).connective) {
-        TypeConnective::Atom(_) => Vec::new(),
-        TypeConnective::Conj { children: _ } => Vec::new(),
-        TypeConnective::Disj { variants: _ } => Vec::new(),
-        TypeConnective::Arrow {
-            inputs: __a_inputs,
-            output: __a_output,
-            body: __a_body,
-        } => check_arrow_body(p0, __a_body),
-        TypeConnective::Cardinality(_) => Vec::new(),
-        TypeConnective::Instantiation {
-            template: _,
-            arguments: _,
-        } => Vec::new(),
-    }
-}
-pub fn check_arrow_body(p0: &Declaration, p1: &ArrowBody) -> Vec<UnresolvedArrowBody> {
-    match p1 {
-        ArrowBody::UserDefined(_) => Vec::new(),
-        ArrowBody::ExternalRealization(_) => Vec::new(),
-        ArrowBody::Pending => singleton_violation(p0),
-        ArrowBody::NoBody => Vec::new(),
-        ArrowBody::Unparsed(_) => Vec::new(),
-    }
-}
-pub fn declaration_name(p0: &Declaration) -> String {
-    match &((p0).name) {
-        Some(name_str) => (name_str).clone(),
-        None => String::from("<anonymous>"),
-    }
-}
-pub fn singleton_violation(p0: &Declaration) -> Vec<UnresolvedArrowBody> {
-    {
-        let mut __list = Vec::new();
-        __list.insert(
-            0,
-            UnresolvedArrowBody {
-                declaration: (p0).id,
-                name: declaration_name(p0),
-                span: ((p0).span).clone(),
-            },
-        );
-        __list
-    }
-}
-pub fn prepend_all(
-    p0: &[UnresolvedArrowBody],
-    p1: Vec<UnresolvedArrowBody>,
-) -> Vec<UnresolvedArrowBody> {
-    (p0).iter().fold((p1).clone(), |__fold_acc, __fold_item| {
-        let mut __list = (__fold_acc).clone();
-        __list.insert(0, (__fold_item).clone());
-        __list
-    })
-}
-pub fn name_keyed_references(p0: &Dag) -> Vec<NameKeyedReference> {
-    ((p0).declarations())
-        .iter()
-        .fold(Vec::new(), |__fold_acc, __fold_item| {
-            prepend_name_keyed(
-                &(check_name_keyed_declaration(__fold_item)),
-                (__fold_acc).clone(),
-            )
-        })
-}
-pub fn check_name_keyed_declaration(p0: &Declaration) -> Vec<NameKeyedReference> {
-    match &((p0).connective) {
-        TypeConnective::Atom(payload) => check_name_keyed_payload(p0, payload),
-        TypeConnective::Conj { children: _ } => Vec::new(),
-        TypeConnective::Disj { variants: _ } => Vec::new(),
-        TypeConnective::Arrow {
-            inputs: _,
-            output: _,
-            body: _,
-        } => Vec::new(),
-        TypeConnective::Cardinality(_) => Vec::new(),
-        TypeConnective::Instantiation {
-            template: _,
-            arguments: _,
-        } => Vec::new(),
-    }
-}
-pub fn check_name_keyed_payload(p0: &Declaration, p1: &AtomPayload) -> Vec<NameKeyedReference> {
-    match p1 {
-        AtomPayload::Literal(_) => Vec::new(),
-        AtomPayload::UnresolvedIdentifier(_) => Vec::new(),
-        AtomPayload::ResolvedByStructure(_) => Vec::new(),
-        AtomPayload::ResolvedByName(id) => {
-            let mut __list = Vec::new();
-            __list.insert(
-                0,
-                NameKeyedReference {
-                    declaration: (p0).id,
-                    resolved_to: (*(id)),
-                    span: ((p0).span).clone(),
-                },
-            );
-            __list
-        }
-        AtomPayload::TypeParam(_) => Vec::new(),
-    }
-}
-pub fn prepend_name_keyed(
-    p0: &[NameKeyedReference],
-    p1: Vec<NameKeyedReference>,
-) -> Vec<NameKeyedReference> {
-    (p0).iter().fold((p1).clone(), |__fold_acc, __fold_item| {
-        let mut __list = (__fold_acc).clone();
-        __list.insert(0, (__fold_item).clone());
-        __list
-    })
-}
diff --git a/src/v3/compiler/src/lens_t_las_carrier.rs b/src/v3/compiler/src/lens_t_las_carrier.rs
deleted file mode 100644
index 39c8f105bbe..00000000000
--- a/src/v3/compiler/src/lens_t_las_carrier.rs
+++ /dev/null
@@ -1,53 +0,0 @@
-//! Structural carriers for Rust emission of T-LAS lens surfaces that reference
-//! `v3.std.lens::Lens`, `std.algebra::Monoid`, and `v3.std.lens_application`
-//! (`gate #92`). Shapes mirror the `.dag` authorities; they are not used by the
-//! compiler runtime outside `emit_rust_module` snapshots linking against
-//! `v3_compiler`.
-
-use std::rc::Rc;
-
-use crate::dag::{Behavior, Dag, LoopBound};
-use crate::diagnostics::Diagnostic;
-use crate::dimension::Witness;
-
-/// Mirrors `OptionalDiagnostic` in `v3.std.dimensions` for emitted lens code.
-#[derive(Clone, Debug)]
-pub enum OptionalDiagnostic {
-    NoDiagnostic,
-    SomeDiagnostic { value: Box<Diagnostic> },
-}
-
-pub type LensReadFn<T> = dyn Fn(&Dag, &Behavior) -> Witness<T>;
-pub type LensValidateFn<T> = dyn Fn(&Dag, T) -> OptionalDiagnostic;
-
-/// Mirrors `Monoid<T>` in `dsl/std/algebra.dag`.
-#[derive(Clone)]
-pub struct Monoid<T> {
-    pub op: Rc<dyn Fn(T, T) -> T>,
-    pub identity: T,
-}
-
-/// Mirrors `Lens<T>` in `v3.std.lens`.
-#[derive(Clone)]
-pub struct Lens<T> {
-    pub name: String,
-    pub read: Rc<LensReadFn<T>>,
-    pub sequential: Monoid<T>,
-    pub branch: Rc<dyn Fn(T, T) -> T>,
-    pub iterate: Rc<dyn Fn(T, LoopBound) -> T>,
-    pub validate: Rc<LensValidateFn<T>>,
-}
-
-/// Mirrors `LensEnforcement<Output, Budget, Projected>` in `v3.std.lens_application`.
-#[derive(Clone)]
-pub struct LensEnforcement<Output, Budget, Projected> {
-    pub project: Rc<dyn Fn(Output) -> Projected>,
-    pub violates: Rc<dyn Fn(Output, Budget) -> bool>,
-}
-
-/// Mirrors `EnforceableLens<Output, Budget, Projected>` in `v3.std.lens_application`.
-#[derive(Clone)]
-pub struct EnforceableLens<Output, Budget, Projected> {
-    pub lens: Lens<Output>,
-    pub enforcement: LensEnforcement<Output, Budget, Projected>,
-}
diff --git a/src/v3/compiler/src/lens_testgen_body.txt b/src/v3/compiler/src/lens_testgen_body.txt
deleted file mode 100644
index 02c111eb7bd..00000000000
--- a/src/v3/compiler/src/lens_testgen_body.txt
+++ /dev/null
@@ -1,812 +0,0 @@
-// R3 gate #6 (`lens_testgen_dot_rs_retired`): former `lens_testgen.rs` body, included from `lens_declaration_apply.rs`.
-// Dissolution trigger: PB-Runtime `.dag` testgen authority owns this logic end-to-end; delete this
-// fragment and the `pub mod lens_testgen` wrapper, then drop the path from
-// `EXPECTED_HAND_AUTHORED_FRAGMENTS` in `sg0_census_test.rs`.
-
-use crate::dag::{
-    AtomPayload, Dag, Declaration, DeclarationId, Field, FieldValue, LiteralBits, TypeConnective,
-};
-use crate::lens_cost::{cost_of, CostLookup};
-use crate::{compile_to_dag, CompileError};
-use std::collections::HashMap;
-
-const MAX_RENDER_DEPTH: usize = 3;
-
-#[derive(Debug, Clone)]
-pub struct GeneratedClaim<'a> {
-    dag: &'a Dag,
-    declaration_name: String,
-    fields: Vec<(String, FieldValue)>,
-}
-
-impl<'a> GeneratedClaim<'a> {
-    fn new(dag: &'a Dag, declaration_name: String, fields: Vec<(String, FieldValue)>) -> Self {
-        Self {
-            dag,
-            declaration_name,
-            fields,
-        }
-    }
-
-    pub fn declaration_name(&self) -> &str {
-        &self.declaration_name
-    }
-
-    pub fn fields(&self) -> &[(String, FieldValue)] {
-        &self.fields
-    }
-
-    pub fn dag(&self) -> &Dag {
-        self.dag
-    }
-
-    pub fn render_declaration_source(&self) -> String {
-        let rendered_fields = self
-            .fields
-            .iter()
-            .map(|(label, value)| format!("  {label}: {}", self.render_field_value(value)))
-            .collect::<Vec<_>>()
-            .join(",\n");
-        format!(
-            "data {}: TestClaim = {{\n{}\n}}\n",
-            self.declaration_name, rendered_fields
-        )
-    }
-
-    fn render_field_value(&self, value: &FieldValue) -> String {
-        match value {
-            FieldValue::Literal(LiteralBits::Int(decimal)) => decimal.clone(),
-            FieldValue::Literal(LiteralBits::Bool(b)) => b.to_string(),
-            FieldValue::Literal(LiteralBits::String(s) | LiteralBits::Symbol(s)) => {
-                quote_string(s)
-            }
-            FieldValue::Reference(decl_id) => self
-                .dag
-                .declaration(*decl_id)
-                .name
-                .clone()
-                .unwrap_or_else(|| panic!("reference declaration {:?} should be named", decl_id)),
-            FieldValue::Record(fields) => format!(
-                "{{ {} }}",
-                fields
-                    .iter()
-                    .map(|(label, value)| format!("{label}: {}", self.render_field_value(value)))
-                    .collect::<Vec<_>>()
-                    .join(", ")
-            ),
-            FieldValue::List(values) => format!(
-                "[{}]",
-                values
-                    .iter()
-                    .map(|value| self.render_field_value(value))
-                    .collect::<Vec<_>>()
-                    .join(", ")
-            ),
-            FieldValue::Map(entries) => format!(
-                "{{ {} }}",
-                entries
-                    .entries()
-                    .iter()
-                    .map(|(key, value)| format!(
-                        "{}: {}",
-                        quote_string(key),
-                        self.render_field_value(value)
-                    ))
-                    .collect::<Vec<_>>()
-                    .join(", ")
-            ),
-            FieldValue::Variant {
-                constructor,
-                payload,
-            } => {
-                let label = self.variant_label(*constructor);
-                if payload.is_empty() {
-                    label
-                } else {
-                    format!(
-                        "{}({})",
-                        label,
-                        payload
-                            .iter()
-                            .map(|value| self.render_field_value(value))
-                            .collect::<Vec<_>>()
-                            .join(", ")
-                    )
-                }
-            }
-        }
-    }
-
-    fn variant_label(&self, variant_id: DeclarationId) -> String {
-        self.dag
-            .declarations()
-            .iter()
-            .find_map(|decl| match &decl.connective {
-                TypeConnective::Disj { variants } => variants
-                    .iter()
-                    .find(|variant| variant.ty == variant_id)
-                    .map(|variant| variant.label.clone()),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("variant declaration {:?} not found", variant_id))
-    }
-}
-
-pub struct TestgenLens<'a> {
-    dag: &'a Dag,
-}
-
-impl<'a> TestgenLens<'a> {
-    pub fn new(dag: &'a Dag) -> Self {
-        Self { dag }
-    }
-
-    pub fn query(&self) -> Vec<GeneratedClaim<'a>> {
-        let mut claims = Vec::new();
-        let mut next_claim_id = 0usize;
-        for decl_id in self.named_std_type_ids() {
-            let decl = self.dag.declaration(decl_id);
-            let subst = self.default_subst(decl);
-            let Some(type_expr) = self.render_type_expr(decl_id, &subst) else {
-                continue;
-            };
-            match &decl.connective {
-                TypeConnective::Conj { children } => {
-                    let compile_value = self.render_value_expr(decl_id, &subst, 0);
-                    if let Some(value_expr) = &compile_value {
-                        let compile_source = format!("let witness: {type_expr} = {value_expr}\n");
-                        let compile_file_name = format!("{}_compiles.v3", sanitize(&type_expr));
-                        self.push_claim(
-                            &mut claims,
-                            &mut next_claim_id,
-                            format!("{type_expr} compiles"),
-                            compile_source.clone(),
-                            compile_file_name.clone(),
-                            self.sum_variant("TestPredicate", "Compiles", Vec::new()),
-                        );
-                        self.push_claim(
-                            &mut claims,
-                            &mut next_claim_id,
-                            format!("{type_expr} witness resolves"),
-                            compile_source.clone(),
-                            format!("{}_port_state.v3", sanitize(&type_expr)),
-                            self.port_state_predicate("witness", "Resolved"),
-                        );
-                        if let Some(cost) =
-                            self.bind_cost_of(&compile_source, &compile_file_name, "witness")
-                        {
-                            self.push_claim(
-                                &mut claims,
-                                &mut next_claim_id,
-                                format!("{type_expr} witness has bounded cost"),
-                                compile_source,
-                                format!("{}_cost.v3", sanitize(&type_expr)),
-                                self.cost_bounded_predicate("witness", "Eq", cost),
-                            );
-                        }
-                    }
-                    let missing_field = self.missing_field_name(children);
-                    let missing_field_source =
-                        format!("fn probe(value: {type_expr}) -> Int = value.{missing_field}\n");
-                    self.push_claim(
-                        &mut claims,
-                        &mut next_claim_id,
-                        format!("{type_expr} rejects missing field"),
-                        missing_field_source.clone(),
-                        format!("{}_missing_field.v3", sanitize(&type_expr)),
-                        self.diagnostic_predicate(
-                            "ResolveError",
-                            &format!("field `{missing_field}` does not exist"),
-                        ),
-                    );
-                    self.push_claim(
-                        &mut claims,
-                        &mut next_claim_id,
-                        format!("{type_expr} missing-field port stays unresolved"),
-                        missing_field_source,
-                        format!("{}_missing_field_port_state.v3", sanitize(&type_expr)),
-                        self.port_state_predicate("probe", "Unresolved"),
-                    );
-                    if compile_value.is_some()
-                        && decl.span.file == "src/v3/std/verification.dag"
-                        && self.supports_type_mismatch_claim(children)
-                    {
-                        let mismatch_source = format!(
-                            "let witness: {type_expr} = {}\n",
-                            self.render_mismatch_record(children, &subst)
-                        );
-                        self.push_claim(
-                            &mut claims,
-                            &mut next_claim_id,
-                            format!("{type_expr} rejects field type mismatch"),
-                            mismatch_source.clone(),
-                            format!("{}_type_mismatch.v3", sanitize(&type_expr)),
-                            self.diagnostic_kind_predicate("TypeMismatch"),
-                        );
-                        self.push_claim(
-                            &mut claims,
-                            &mut next_claim_id,
-                            format!("{type_expr} mismatched witness stays unresolved"),
-                            mismatch_source,
-                            format!("{}_type_mismatch_port_state.v3", sanitize(&type_expr)),
-                            self.port_state_predicate("witness", "Unresolved"),
-                        );
-                    }
-                }
-                TypeConnective::Disj { variants } => {
-                    for variant in variants {
-                        if let Some(value_expr) =
-                            self.render_variant_witness(decl_id, variant, &subst, 0)
-                        {
-                            let compile_source =
-                                format!("let witness: {type_expr} = {value_expr}\n");
-                            let base_name =
-                                format!("{}_{}", sanitize(&type_expr), sanitize(&variant.label));
-                            self.push_claim(
-                                &mut claims,
-                                &mut next_claim_id,
-                                format!("{type_expr} variant {} compiles", variant.label),
-                                compile_source.clone(),
-                                format!("{base_name}_compiles.v3"),
-                                self.sum_variant("TestPredicate", "Compiles", Vec::new()),
-                            );
-                            self.push_claim(
-                                &mut claims,
-                                &mut next_claim_id,
-                                format!("{type_expr} variant {} resolves", variant.label),
-                                compile_source.clone(),
-                                format!("{base_name}_port_state.v3"),
-                                self.port_state_predicate("witness", "Resolved"),
-                            );
-                            if let Some(cost) = self.bind_cost_of(
-                                &compile_source,
-                                &format!("{base_name}_compiles.v3"),
-                                "witness",
-                            ) {
-                                self.push_claim(
-                                    &mut claims,
-                                    &mut next_claim_id,
-                                    format!(
-                                        "{type_expr} variant {} has bounded cost",
-                                        variant.label
-                                    ),
-                                    compile_source,
-                                    format!("{base_name}_cost.v3"),
-                                    self.cost_bounded_predicate("witness", "Eq", cost),
-                                );
-                            }
-                        }
-                    }
-                    if variants.len() > 1 {
-                        let non_exhaustive_source = format!(
-                            "fn probe(value: {type_expr}) -> Int = match value {{ {} => 0 }}\n",
-                            self.match_pattern(&variants[0])
-                        );
-                        self.push_claim(
-                            &mut claims,
-                            &mut next_claim_id,
-                            format!("{type_expr} requires exhaustive match"),
-                            non_exhaustive_source.clone(),
-                            format!("{}_non_exhaustive.v3", sanitize(&type_expr)),
-                            self.diagnostic_predicate("ResolveError", "non-exhaustive"),
-                        );
-                        self.push_claim(
-                            &mut claims,
-                            &mut next_claim_id,
-                            format!("{type_expr} non-exhaustive match stays unresolved"),
-                            non_exhaustive_source,
-                            format!("{}_non_exhaustive_port_state.v3", sanitize(&type_expr)),
-                            self.port_state_predicate("probe", "Unresolved"),
-                        );
-                    }
-                }
-                _ => {}
-            }
-        }
-        claims
-    }
-
-    fn push_claim(
-        &self,
-        claims: &mut Vec<GeneratedClaim<'a>>,
-        next_claim_id: &mut usize,
-        claim_name: String,
-        program_source: String,
-        file_name: String,
-        predicate: FieldValue,
-    ) {
-        let declaration_name = format!("generated_test_claim_{:03}", *next_claim_id);
-        *next_claim_id += 1;
-        claims.push(GeneratedClaim::new(
-            self.dag,
-            declaration_name,
-            vec![
-                (
-                    "name".to_string(),
-                    FieldValue::Literal(LiteralBits::String(claim_name)),
-                ),
-                (
-                    "source".to_string(),
-                    FieldValue::Literal(LiteralBits::String(program_source)),
-                ),
-                (
-                    "file_name".to_string(),
-                    FieldValue::Literal(LiteralBits::String(file_name)),
-                ),
-                ("predicate".to_string(), predicate),
-                ("requires".to_string(), FieldValue::List(Vec::new())),
-            ],
-        ));
-    }
-
-    fn sum_variant(
-        &self,
-        sum_name: &str,
-        variant_label: &str,
-        payload: Vec<FieldValue>,
-    ) -> FieldValue {
-        let sum_decl = self
-            .dag
-            .declaration_by_name(sum_name)
-            .unwrap_or_else(|| panic!("bootstrap should load `{sum_name}`"));
-        self.sum_variant_decl(sum_decl.id, variant_label, payload)
-    }
-
-    fn sum_variant_decl(
-        &self,
-        sum_decl_id: DeclarationId,
-        variant_label: &str,
-        payload: Vec<FieldValue>,
-    ) -> FieldValue {
-        let sum_decl = self.dag.declaration(sum_decl_id);
-        let TypeConnective::Disj { variants } = &sum_decl.connective else {
-            panic!(
-                "declaration {:?} should lower to a Disj, got {:?}",
-                sum_decl_id, sum_decl.connective
-            );
-        };
-        let constructor = variants
-            .iter()
-            .find(|variant| variant.label == variant_label)
-            .map(|variant| variant.ty)
-            .unwrap_or_else(|| {
-                panic!(
-                    "variant `{variant_label}` not found under declaration {:?}",
-                    sum_decl_id
-                )
-            });
-        FieldValue::Variant {
-            constructor,
-            payload,
-        }
-    }
-
-    fn diagnostic_kind_predicate(&self, kind: &str) -> FieldValue {
-        self.sum_variant(
-            "TestPredicate",
-            "FailsWithDiagnostic",
-            vec![self.diagnostic_reference(kind, None)],
-        )
-    }
-
-    fn diagnostic_predicate(&self, kind: &str, detail_contains: &str) -> FieldValue {
-        self.sum_variant(
-            "TestPredicate",
-            "FailsWithDiagnostic",
-            vec![self.diagnostic_reference(kind, Some(detail_contains))],
-        )
-    }
-
-    fn diagnostic_reference(&self, kind: &str, detail_contains: Option<&str>) -> FieldValue {
-        FieldValue::Record(vec![
-            (
-                "kind".to_string(),
-                self.sum_variant("DiagnosticKind", kind, Vec::new()),
-            ),
-            (
-                "detail_contains".to_string(),
-                self.diagnostic_detail_expectation(detail_contains),
-            ),
-        ])
-    }
-
-    fn diagnostic_detail_expectation(&self, value: Option<&str>) -> FieldValue {
-        match value {
-            Some(text) => self.sum_variant(
-                "DiagnosticDetailExpectation",
-                "Contains",
-                vec![FieldValue::Literal(LiteralBits::String(text.to_string()))],
-            ),
-            None => self.sum_variant("DiagnosticDetailExpectation", "AnyDetail", Vec::new()),
-        }
-    }
-
-    fn port_state_predicate(&self, bind_name: &str, state_label: &str) -> FieldValue {
-        self.sum_variant(
-            "TestPredicate",
-            "PortHasState",
-            vec![
-                FieldValue::Literal(LiteralBits::String(bind_name.to_string())),
-                self.sum_variant("PortStateExpectation", state_label, Vec::new()),
-            ],
-        )
-    }
-
-    fn cost_bounded_predicate(
-        &self,
-        bind_name: &str,
-        comparator: &str,
-        bound: usize,
-    ) -> FieldValue {
-        self.sum_variant(
-            "TestPredicate",
-            "CostBounded",
-            vec![
-                FieldValue::Literal(LiteralBits::String(bind_name.to_string())),
-                self.sum_variant("ComparisonOp", comparator, Vec::new()),
-                FieldValue::Literal(LiteralBits::Int((bound as i64).to_string())),
-            ],
-        )
-    }
-
-    /// Return the complexity-lens cost for `bind_name` in a freshly
-    /// compiled fixture. `None` means the bind is not in the fixture
-    /// (legitimate skip — some testgen paths construct probes that
-    /// don't include a named bind). The two other failure modes
-    /// panic, because they indicate a structural invariant violation
-    /// the test harness must surface, not a silent "skip this claim":
-    ///
-    ///   - `CostLookup::Miss` — the lens computed no cost for
-    ///     a bind that testgen explicitly constructed. A well-formed
-    ///     fixture always has a cost for the named bind; `Miss`
-    ///     here means the fixture is malformed or the lens regressed.
-    ///
-    ///   - `i64 → usize` conversion failure — the lens emitted a
-    ///     negative cost. The complexity algebra is non-negative by
-    ///     construction, so a negative is a compiler invariant
-    ///     violation, not a caller concern.
-    ///
-    /// Keeping the two failure modes distinct prevents silently
-    /// dropping generated cost claims (Half A review blocker).
-    fn bind_cost_of(&self, source: &str, file_name: &str, bind_name: &str) -> Option<usize> {
-        let dag = compile_any(source, file_name);
-        let bind = dag.nodes().iter().find_map(|node| match node {
-            crate::dag::Behavior::Bind(bind) if bind.name == bind_name => Some(bind),
-            _ => None,
-        })?;
-        let cost = match cost_of(&dag, &bind.value) {
-            CostLookup::Hit(cost) => cost,
-            CostLookup::Miss => {
-                panic!(
-                    "testgen: cost lens returned Miss for bind `{bind_name}` \
-                     in fixture `{file_name}` — the named bind was found in the \
-                     Dag but has no cost entry. Indicates a malformed fixture or \
-                     a regression in the complexity lens."
-                );
-            }
-        };
-        Some(usize::try_from(cost).unwrap_or_else(|_| {
-            panic!(
-                "testgen: complexity lens emitted negative cost `{cost}` for bind \
-                 `{bind_name}` in fixture `{file_name}` — the cost algebra is \
-                 non-negative by construction; a negative value is a compiler \
-                 invariant violation."
-            )
-        }))
-    }
-
-    fn named_std_type_ids(&self) -> Vec<DeclarationId> {
-        let mut chosen: HashMap<String, DeclarationId> = HashMap::new();
-        for decl in self.dag.declarations() {
-            let Some(name) = &decl.name else {
-                continue;
-            };
-            // DB-18 R2: `BoolPortRef` / `BranchArm` carry `PortId` witnesses that
-            // cannot be lowered from surface literals — testgen's synthetic
-            // `render_value_expr` cannot produce a valid compile witness.
-            if matches!(name.as_str(), "BoolPortRef" | "BranchArm") {
-                continue;
-            }
-            // `DimensionReport<Carrier>` has two `List<…>` fields whose synthetic
-            // `empty()` witnesses share one implicit template binding during
-            // infer (surface calls cannot spell `empty<Element>()` — no generic
-            // call syntax in expression position). Skip until testgen can emit
-            // non-conflicting list witnesses.
-            if name == "DimensionReport" {
-                continue;
-            }
-            // Cardinality list primitives (`NonEmptyList`, `NonSingletonList`) live in
-            // `substrate_minimal.dag` ahead of `list.dag`'s `empty()` helper in bootstrap
-            // order — the testgen witness uses `empty()` for `List<…>` tails in a
-            // position where resolution regressed; skip until the witness renderer
-            // names `empty<…>()` explicitly.
-            if matches!(name.as_str(), "NonEmptyList" | "NonSingletonList") {
-                continue;
-            }
-            if decl.value_body.is_some()
-                || !is_bootstrapped_std_file(&decl.span.file)
-                || decl.span.file == "src/v3/std/substrate.dag"
-            {
-                continue;
-            }
-            match chosen.get(name).copied() {
-                None => {
-                    chosen.insert(name.clone(), decl.id);
-                }
-                Some(existing) => {
-                    let new_rank = std_preference_rank(&decl.span.file);
-                    let old_rank = std_preference_rank(&self.dag.declaration(existing).span.file);
-                    if new_rank > old_rank {
-                        chosen.insert(name.clone(), decl.id);
-                    }
-                }
-            }
-        }
-        let mut ids: Vec<_> = chosen.into_values().collect();
-        ids.sort_by_key(|id| self.dag.declaration(*id).name.clone());
-        ids
-    }
-
-    fn default_subst(&self, decl: &Declaration) -> HashMap<DeclarationId, DeclarationId> {
-        let int_id = self
-            .dag
-            .declaration_by_name("Int")
-            .expect("bootstrap should load Int")
-            .id;
-        decl.type_params
-            .iter()
-            .map(|param| (*param, int_id))
-            .collect()
-    }
-
-    fn render_type_expr(
-        &self,
-        decl_id: DeclarationId,
-        subst: &HashMap<DeclarationId, DeclarationId>,
-    ) -> Option<String> {
-        let decl = self.dag.declaration(decl_id);
-        if let Some(name) = &decl.name {
-            if !matches!(
-                decl.connective,
-                TypeConnective::Atom(AtomPayload::TypeParam(_))
-            ) {
-                if decl.type_params.is_empty() {
-                    return Some(name.clone());
-                }
-                let args: Option<Vec<_>> = decl
-                    .type_params
-                    .iter()
-                    .map(|param| self.render_type_expr(*subst.get(param)?, subst))
-                    .collect();
-                return Some(format!("{name}<{}>", args?.join(", ")));
-            }
-        }
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                self.render_type_expr(*subst.get(&decl_id)?, subst)
-            }
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                let template_decl = self.dag.declaration(*template);
-                let template_name = template_decl.name.as_ref()?;
-                let args: Option<Vec<_>> = arguments
-                    .iter()
-                    .map(|arg| self.render_type_expr(arg.value, subst))
-                    .collect();
-                Some(format!("{template_name}<{}>", args?.join(", ")))
-            }
-            _ => None,
-        }
-    }
-
-    fn render_value_expr(
-        &self,
-        decl_id: DeclarationId,
-        subst: &HashMap<DeclarationId, DeclarationId>,
-        depth: usize,
-    ) -> Option<String> {
-        if depth > MAX_RENDER_DEPTH {
-            return None;
-        }
-        let decl = self.dag.declaration(decl_id);
-        if self
-            .render_type_expr(decl_id, subst)
-            .is_some_and(|ty| ty.starts_with("List<"))
-            && depth > 0
-        {
-            return Some("empty()".to_string());
-        }
-        match decl.name.as_deref() {
-            Some("Int") => Some("1".to_string()),
-            Some("Bool") => Some("true".to_string()),
-            Some("String") => Some("\"x\"".to_string()),
-            Some(_) if !is_bootstrapped_std_file(&decl.span.file) => None,
-            _ => match &decl.connective {
-                TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-                    self.render_value_expr(*subst.get(&decl_id)?, subst, depth + 1)
-                }
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } => {
-                    let mut specialized = subst.clone();
-                    for arg in arguments {
-                        specialized.insert(arg.parameter, arg.value);
-                    }
-                    self.render_value_expr(*template, &specialized, depth + 1)
-                }
-                TypeConnective::Conj { children } => {
-                    let fields: Option<Vec<_>> = children
-                        .iter()
-                        .map(|field| {
-                            Some(format!(
-                                "{}: {}",
-                                field.label,
-                                self.render_value_expr(field.ty, subst, depth + 1)?
-                            ))
-                        })
-                        .collect();
-                    Some(format!("{{ {} }}", fields?.join(", ")))
-                }
-                TypeConnective::Disj { variants } => variants
-                    .iter()
-                    .find_map(|variant| self.render_variant_expr(variant, subst, depth + 1)),
-                _ => None,
-            },
-        }
-    }
-
-    fn render_variant_expr(
-        &self,
-        variant: &Field,
-        subst: &HashMap<DeclarationId, DeclarationId>,
-        depth: usize,
-    ) -> Option<String> {
-        let TypeConnective::Conj { children } = &self.dag.declaration(variant.ty).connective else {
-            return None;
-        };
-        if children.is_empty() {
-            return Some(variant.label.clone());
-        }
-        let payloads: Option<Vec<_>> = children
-            .iter()
-            .map(|field| self.render_value_expr(field.ty, subst, depth + 1))
-            .collect();
-        Some(format!("{}({})", variant.label, payloads?.join(", ")))
-    }
-
-    fn render_variant_witness(
-        &self,
-        sum_decl_id: DeclarationId,
-        variant: &Field,
-        subst: &HashMap<DeclarationId, DeclarationId>,
-        depth: usize,
-    ) -> Option<String> {
-        if self.dag.declaration(sum_decl_id).name.as_deref() == Some("List") {
-            return match variant.label.as_str() {
-                "Empty" => Some("[]".to_string()),
-                "Cons" => {
-                    let TypeConnective::Conj { children } =
-                        &self.dag.declaration(variant.ty).connective
-                    else {
-                        return None;
-                    };
-                    let head = self.render_value_expr(children.first()?.ty, subst, depth + 1)?;
-                    Some(format!("[{head}]"))
-                }
-                _ => None,
-            };
-        }
-        self.render_variant_expr(variant, subst, depth)
-    }
-
-    fn render_mismatch_record(
-        &self,
-        children: &[Field],
-        subst: &HashMap<DeclarationId, DeclarationId>,
-    ) -> String {
-        let mismatch_index = 0usize;
-        format!(
-            "{{ {} }}",
-            children
-                .iter()
-                .enumerate()
-                .map(|(idx, field)| {
-                    let value = if idx == mismatch_index {
-                        self.render_wrong_value_expr(field.ty, subst)
-                    } else {
-                        self.render_value_expr(field.ty, subst, 1)
-                            .expect("type mismatch claims should reuse a valid witness for non-targeted fields")
-                    };
-                    format!("{}: {}", field.label, value)
-                })
-                .collect::<Vec<_>>()
-                .join(", ")
-        )
-    }
-
-    fn render_wrong_value_expr(
-        &self,
-        decl_id: DeclarationId,
-        subst: &HashMap<DeclarationId, DeclarationId>,
-    ) -> String {
-        match self.render_type_expr(decl_id, subst).as_deref() {
-            Some("Int") => "\"oops\"".to_string(),
-            _ => "1".to_string(),
-        }
-    }
-
-    fn missing_field_name(&self, children: &[Field]) -> String {
-        let mut candidate = "missing_field".to_string();
-        while children.iter().any(|field| field.label == candidate) {
-            candidate.push('_');
-        }
-        candidate
-    }
-
-    fn match_pattern(&self, variant: &Field) -> String {
-        match &self.dag.declaration(variant.ty).connective {
-            TypeConnective::Conj { children } if children.is_empty() => variant.label.clone(),
-            TypeConnective::Conj { .. } => format!("{}(payload)", variant.label),
-            _ => variant.label.clone(),
-        }
-    }
-
-    fn supports_type_mismatch_claim(&self, children: &[Field]) -> bool {
-        !children.is_empty()
-            && children.iter().all(|field| {
-                !matches!(
-                    self.effective_connective(field.ty),
-                    Some(TypeConnective::Arrow { .. })
-                )
-            })
-    }
-
-    fn effective_connective(&self, decl_id: DeclarationId) -> Option<&TypeConnective> {
-        let decl = self.dag.declaration(decl_id);
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => None,
-            TypeConnective::Instantiation { .. } if decl.name.is_some() => Some(&decl.connective),
-            TypeConnective::Instantiation { template, .. } => {
-                Some(&self.dag.declaration(*template).connective)
-            }
-            other => Some(other),
-        }
-    }
-}
-
-fn is_bootstrapped_std_file(file: &str) -> bool {
-    file.starts_with("src/v3/std/")
-}
-
-fn std_preference_rank(file: &str) -> usize {
-    if file.starts_with("src/v3/std/") {
-        2
-    } else {
-        0
-    }
-}
-
-fn sanitize(s: &str) -> String {
-    s.chars()
-        .map(|ch| if ch.is_ascii_alphanumeric() { ch } else { '_' })
-        .collect()
-}
-
-fn quote_string(s: &str) -> String {
-    let escaped = s
-        .replace('\\', "\\\\")
-        .replace('"', "\\\"")
-        .replace('\n', "\\n");
-    format!("\"{escaped}\"")
-}
-
-fn compile_any(source: &str, file: &str) -> Dag {
-    match compile_to_dag(source, file) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => dag,
-        Err(other) => panic!("unexpected structural error while compiling `{file}`: {other:?}"),
-    }
-}
diff --git a/src/v3/compiler/src/lens_unused_parameters_generated.rs b/src/v3/compiler/src/lens_unused_parameters_generated.rs
deleted file mode 100644
index a4f0a71a01d..00000000000
--- a/src/v3/compiler/src/lens_unused_parameters_generated.rs
+++ /dev/null
@@ -1,191 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/unused_parameters.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub struct UnusedParameter {
-    pub function: NodeId,
-    pub parameter: PortId,
-    pub parameter_index: i64,
-}
-pub fn check(p0: &Dag) -> Vec<UnusedParameter> {
-    ((p0).nodes())
-        .iter()
-        .fold(Vec::new(), |__fold_acc, __fold_item| {
-            let mut __left = (__fold_acc).clone();
-            __left.extend(check_behavior(p0, __fold_item));
-            __left
-        })
-}
-pub fn check_behavior(p0: &Dag, p1: &Behavior) -> Vec<UnusedParameter> {
-    match p1 {
-        Behavior::Value(_) => Vec::new(),
-        Behavior::Transform(_) => Vec::new(),
-        Behavior::Branch(_) => Vec::new(),
-        Behavior::Loop(_) => Vec::new(),
-        Behavior::Bind(bind) => {
-            if ((bind).params).is_empty() {
-                Vec::new()
-            } else {
-                check_bind(p0, bind)
-            }
-        }
-    }
-}
-pub fn check_bind(p0: &Dag, p1: &BindNode) -> Vec<UnusedParameter> {
-    collect_unused_params(
-        &((p1).params),
-        p1,
-        &(referenced_ports(p0, (p1).result_port())),
-        0,
-    )
-}
-pub fn collect_unused_params(
-    p0: &[PortId],
-    p1: &BindNode,
-    p2: &[PortId],
-    p3: i64,
-) -> Vec<UnusedParameter> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            if (p2).contains(__list_head) {
-                collect_unused_params(__list_tail, p1, p2, (p3 + 1))
-            } else {
-                {
-                    let mut __list = collect_unused_params(__list_tail, p1, p2, (p3 + 1));
-                    __list.insert(
-                        0,
-                        UnusedParameter {
-                            function: (p1).id,
-                            parameter: (*(__list_head)),
-                            parameter_index: p3,
-                        },
-                    );
-                    __list
-                }
-            }
-        }
-    }
-}
-pub fn referenced_ports(p0: &Dag, p1: PortId) -> Vec<PortId> {
-    walk_steps(&(((p0).ports()).len() as i64), p0, &[p1], Vec::new())
-}
-pub fn walk_steps(p0: &i64, p1: &Dag, p2: &[PortId], p3: Vec<PortId>) -> Vec<PortId> {
-    if ((*(p0)) == 0) {
-        p3
-    } else {
-        if (p2).is_empty() {
-            p3
-        } else {
-            walk_steps(
-                &((*(p0)) - 1),
-                p1,
-                &(expand_frontier_list(p2, p1, &p3)),
-                expand_referenced_list(p2, (p3).clone()),
-            )
-        }
-    }
-}
-pub fn expand_frontier_list(p0: &[PortId], p1: &Dag, p2: &[PortId]) -> Vec<PortId> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            if (p2).contains(__list_head) {
-                expand_frontier_list(__list_tail, p1, p2)
-            } else {
-                {
-                    let mut __left = inputs_for_port(p1, __list_head);
-                    __left.extend(expand_frontier_list(__list_tail, p1, p2));
-                    __left
-                }
-            }
-        }
-    }
-}
-pub fn expand_referenced_list(p0: &[PortId], p1: Vec<PortId>) -> Vec<PortId> {
-    (p0).iter().fold((p1).clone(), |__fold_acc, __fold_item| {
-        if (__fold_acc).contains(__fold_item) {
-            __fold_acc
-        } else {
-            {
-                let mut __list = (__fold_acc).clone();
-                __list.insert(0, (*(__fold_item)));
-                __list
-            }
-        }
-    })
-}
-pub fn inputs_for_port(p0: &Dag, p1: &PortId) -> Vec<PortId> {
-    match &((p0).port_opt(p1).cloned()) {
-        None => Vec::new(),
-        Some(p) => match &((p).produced_by) {
-            None => Vec::new(),
-            Some(node_id) => inputs_for_node(p0, node_id),
-        },
-    }
-}
-pub fn inputs_for_node(p0: &Dag, p1: &NodeId) -> Vec<PortId> {
-    match &((p0).node_opt(p1).cloned()) {
-        None => Vec::new(),
-        Some(behavior) => inputs_for_behavior(p0, behavior),
-    }
-}
-pub fn inputs_for_behavior(p0: &Dag, p1: &Behavior) -> Vec<PortId> {
-    match p1 {
-        Behavior::Value(_) => Vec::new(),
-        Behavior::Transform(t) => ((t).inputs).to_vec(),
-        Behavior::Branch(branch) => {
-            let mut __list = branch_path_outputs(&((branch).paths));
-            __list.insert(0, (branch).input);
-            __list
-        }
-        Behavior::Loop(loop_node) => loop_inputs(p0, loop_node),
-        Behavior::Bind(bind) => vec![(bind).result_port()],
-    }
-}
-pub fn loop_inputs(p0: &Dag, p1: &LoopNode) -> Vec<PortId> {
-    {
-        let mut __left = {
-            let mut __list = {
-                let mut __list = loop_bound_inputs(&((p1).bound));
-                __list.insert(0, (p1).init);
-                __list
-            };
-            __list.insert(0, (p1).source);
-            __list
-        };
-        __left.extend(match &((p0).node_opt(&((p1).body)).cloned()) {
-            None => Vec::new(),
-            Some(body_node) => vec![behavior_port(body_node)],
-        });
-        __left
-    }
-}
-pub fn loop_bound_inputs(p0: &LoopBound) -> Vec<PortId> {
-    match p0 {
-        LoopBound::Cardinality { count: payload } => vec![(*(payload))],
-        LoopBound::Descent {
-            cluster: __payload_cluster,
-            measure: __payload_measure,
-        } => vec![(*(__payload_measure))],
-    }
-}
-pub fn branch_path_outputs(p0: &[Path]) -> Vec<PortId> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            let mut __list = branch_path_outputs(__list_tail);
-            __list.insert(0, (__list_head).result_port());
-            __list
-        }
-    }
-}
-pub fn behavior_port(p0: &Behavior) -> PortId {
-    match p0 {
-        Behavior::Value(v) => (v).result_port(),
-        Behavior::Transform(t) => (t).result_port(),
-        Behavior::Branch(b) => (b).result_port(),
-        Behavior::Loop(l) => (l).result_port(),
-        Behavior::Bind(bind) => (bind).result_port(),
-    }
-}
diff --git a/src/v3/compiler/src/lib.rs b/src/v3/compiler/src/lib.rs
deleted file mode 100644
index 4f6da1d4f29..00000000000
--- a/src/v3/compiler/src/lib.rs
+++ /dev/null
@@ -1,6365 +0,0 @@
-// v3 compiler — M0 substrate skeleton.
-//
-// Pipeline (target end state for M0):
-//   source text -> tokenize -> parse -> lower to L1 behaviors -> infer -> Dag
-//
-// Fail-closed compile boundary (invariant C-8):
-//   compile_to_dag returns Ok(Dag) ONLY when the diagnostic table
-//   is empty. Any semantic errors (type mismatches, unresolved
-//   names, arity errors, etc.) surface as Err(CompileError::Semantic(dag))
-//   — the dag is still handed back so the caller can inspect the
-//   diagnostics, but the Result variant is Err.
-//
-//   Structural errors (tokenize/parse) surface as their own variants
-//   because they occur before a Dag exists. G5: no TypeError variant
-//   on CompileError — type errors live on the Dag, not in the Err
-//   payload.
-
-pub mod cementing_dispatch;
-pub mod complexity_lattice;
-pub mod dag;
-pub mod diagnostics;
-mod enforced_lens_application;
-// T-30 **P5(b)** interim Practice-8 mirror — **private** `mod` (not crate public API; INVARIANTS
-// P2 / Practice 6). `dead_code` is suppressed **only** inside `v4_hollow_alias_gate.rs` until a
-// production consumer exists — dissolution when the generated `.dag` gate is authority
-// (`INVARIANTS.md` §P5(b)).
-mod v4_hollow_alias_gate;
-pub use enforced_lens_application::check_enforced_lens_applications;
-pub use enforced_lens_application::parallelism_iteration_opt_in_enforcement_violates;
-// Gate #58 integration receipts (`tests/integration/t_gate_58_apply_lens_self_application_test.rs`)
-// need the helpers below as **`pub`**: the consolidated integration test binary is a separate
-// crate that links this library and cannot call `pub(crate)` items on `v3_compiler`.
-// `#[doc(hidden)]` keeps them off the supported public API; they remain unsupported for
-// out-of-tree callers (see `enforced_lens_application` module docs on each symbol).
-#[doc(hidden)]
-pub use enforced_lens_application::gate_58_test_parse_timing_budget_violation_max_ns_pair;
-#[doc(hidden)]
-pub use enforced_lens_application::gate_58_test_raise_modeled_ci_timing_measurement_duration_ns;
-pub mod integration_rs_wiring_scan;
-pub mod lens_t_las_carrier;
-pub mod pb_method_template_projection;
-pub mod r3_gate_87_cementing_regen_runner_suites;
-mod regen_bootstrap_emit;
-pub mod regen_lens_driver;
-pub mod regen_tokenize;
-
-/// SG-0 producer-owned generated-file manifest.
-///
-/// `GENERATED_FILES` is the workspace-relative path list of every
-/// `.rs` file under `src/v3/compiler` that is produced by a codegen
-/// authority. The list is emitted by `build.rs` at build time; the
-/// literal is reviewed there. Two consumers today: the `regen_*`
-/// binaries (they assert their output path is in the list before
-/// writing) and the SG-0 census test (it uses the list as the sole
-/// generated/hand-authored partition — no content-marker scanning).
-pub mod generated_files {
-    include!(concat!(env!("OUT_DIR"), "/v3_generated_files.rs"));
-}
-
-pub mod emit;
-pub mod emit_rust;
-pub mod emit_rust_bin_shim;
-pub mod omni_shape_b_openapi;
-pub mod process_exit;
-pub mod realization_cost {
-    //! Rust-side realization-cost table for T-CostLens-Composition's epsilon path.
-    //!
-    //! The `.dag` cost lens remains target-agnostic and produces `SymbolicCost`.
-    //! This module consumes target LanguageSpec realization rows and extracts the
-    //! per-primitive concrete costs that later composition slices combine with the
-    //! abstract symbolic shape.
-
-    use std::collections::HashMap;
-
-    use crate::dag::{
-        literal_decimal_i64, sequential, Dag, DeclarationId, FieldValue, LiteralBits, SymbolicCost,
-        ValueBody,
-    };
-
-    /// 🟢 GREEN (terminal): closed mirror of the six `*Realization`
-    /// meta-types in `src/v3/std/emit_model.dag`; each variant selects a
-    /// distinct row shape with different key fields.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-    pub enum RealizationCostCategory {
-        Type,
-        Callable,
-        Operator,
-        Behavior,
-        TypeInstantiation,
-        Pattern,
-    }
-
-    /// 🟢 GREEN (terminal): lookup key shape is determined by the realization
-    /// row category. Five categories key by `target`; operator rows key by
-    /// `(target, op)`, so collapsing to one record would make absent fields
-    /// meaningful for non-operator rows.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-    pub enum RealizationCostKey {
-        Type(DeclarationId),
-        Callable(DeclarationId),
-        Operator {
-            target: DeclarationId,
-            op: DeclarationId,
-        },
-        Behavior(DeclarationId),
-        TypeInstantiation(DeclarationId),
-        Pattern(DeclarationId),
-    }
-
-    impl RealizationCostKey {
-        pub fn category(self) -> RealizationCostCategory {
-            match self {
-                Self::Type(_) => RealizationCostCategory::Type,
-                Self::Callable(_) => RealizationCostCategory::Callable,
-                Self::Operator { .. } => RealizationCostCategory::Operator,
-                Self::Behavior(_) => RealizationCostCategory::Behavior,
-                Self::TypeInstantiation(_) => RealizationCostCategory::TypeInstantiation,
-                Self::Pattern(_) => RealizationCostCategory::Pattern,
-            }
-        }
-    }
-
-    #[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
-    pub struct RealizationCostAmount {
-        value: i64,
-    }
-
-    impl RealizationCostAmount {
-        fn new(value: i64) -> Result<Self, i64> {
-            if value >= 0 {
-                Ok(Self { value })
-            } else {
-                Err(value)
-            }
-        }
-
-        pub fn value(self) -> i64 {
-            self.value
-        }
-    }
-
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct RealizationCostEntry {
-        pub declaration: DeclarationId,
-        pub language: DeclarationId,
-        pub key: RealizationCostKey,
-        pub cost: RealizationCostAmount,
-    }
-
-    impl RealizationCostEntry {
-        pub fn category(&self) -> RealizationCostCategory {
-            self.key.category()
-        }
-    }
-
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct RealizationCostTable {
-        language: DeclarationId,
-        entries: HashMap<RealizationCostKey, RealizationCostEntry>,
-    }
-
-    /// 🟢 GREEN (terminal): fail-closed error taxonomy for this walker.
-    /// The variants distinguish missing meta-type substrate, malformed row
-    /// payload, negative cost facts, and duplicate realization keys; these are
-    /// different repair surfaces.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum RealizationCostError {
-        MissingMeta(&'static str),
-        NotLanguageSpec {
-            declaration: DeclarationId,
-        },
-        MalformedRealization {
-            declaration: DeclarationId,
-            detail: String,
-        },
-        NegativeRealizationCost {
-            declaration: DeclarationId,
-            cost: i64,
-        },
-        DuplicateRealization {
-            declaration: DeclarationId,
-            key: RealizationCostKey,
-        },
-    }
-
-    impl RealizationCostTable {
-        pub fn for_language(
-            dag: &Dag,
-            language: DeclarationId,
-        ) -> Result<Self, RealizationCostError> {
-            let metas = RealizationMetas::read(dag)?;
-            let language_spec_meta = dag
-                .declaration_by_name("LanguageSpec")
-                .map(|decl| decl.id)
-                .ok_or(RealizationCostError::MissingMeta("LanguageSpec"))?;
-            if dag.declaration(language).meta_tag != Some(language_spec_meta) {
-                return Err(RealizationCostError::NotLanguageSpec {
-                    declaration: language,
-                });
-            }
-            let mut entries = HashMap::new();
-
-            for decl in dag.declarations() {
-                let Some(meta_tag) = decl.meta_tag else {
-                    continue;
-                };
-                let Some(category) = metas.category_for(meta_tag) else {
-                    continue;
-                };
-                let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-                    return Err(RealizationCostError::MalformedRealization {
-                        declaration: decl.id,
-                        detail: "realization data item has no Structural value_body".to_string(),
-                    });
-                };
-                let row_language = require_decl_ref(fields, "language", decl.id)?;
-                if row_language != language {
-                    continue;
-                }
-                let target = require_decl_ref(fields, "target", decl.id)?;
-                let key = match category {
-                    RealizationCostCategory::Type => RealizationCostKey::Type(target),
-                    RealizationCostCategory::Callable => RealizationCostKey::Callable(target),
-                    RealizationCostCategory::Operator => RealizationCostKey::Operator {
-                        target,
-                        op: require_decl_ref(fields, "op", decl.id)?,
-                    },
-                    RealizationCostCategory::Behavior => RealizationCostKey::Behavior(target),
-                    RealizationCostCategory::TypeInstantiation => {
-                        RealizationCostKey::TypeInstantiation(target)
-                    }
-                    RealizationCostCategory::Pattern => RealizationCostKey::Pattern(target),
-                };
-                let entry = RealizationCostEntry {
-                    declaration: decl.id,
-                    language,
-                    key,
-                    cost: require_nonnegative_int(fields, "cost", decl.id)?,
-                };
-                if entries.insert(key, entry).is_some() {
-                    return Err(RealizationCostError::DuplicateRealization {
-                        declaration: decl.id,
-                        key,
-                    });
-                }
-            }
-
-            Ok(Self { language, entries })
-        }
-
-        pub fn language(&self) -> DeclarationId {
-            self.language
-        }
-
-        pub fn len(&self) -> usize {
-            self.entries.len()
-        }
-
-        pub fn is_empty(&self) -> bool {
-            self.entries.is_empty()
-        }
-
-        pub fn get(&self, key: &RealizationCostKey) -> Option<&RealizationCostEntry> {
-            self.entries.get(key)
-        }
-
-        pub fn cost(&self, key: &RealizationCostKey) -> Option<RealizationCostAmount> {
-            self.get(key).map(|entry| entry.cost)
-        }
-    }
-
-    /// Compose the target-agnostic symbolic cost with target realization
-    /// costs read from a `LanguageSpec` row table.
-    pub fn compose_symbolic_cost_with_realization_costs(
-        algebra_cost: SymbolicCost,
-        costs: impl IntoIterator<Item = RealizationCostAmount>,
-    ) -> SymbolicCost {
-        costs.into_iter().fold(algebra_cost, |acc, cost| {
-            sequential(acc, SymbolicCost::ConstantCost { _0: cost.value() })
-        })
-    }
-
-    struct RealizationMetas {
-        type_meta: DeclarationId,
-        callable_meta: DeclarationId,
-        operator_meta: DeclarationId,
-        behavior_meta: DeclarationId,
-        type_instantiation_meta: DeclarationId,
-        pattern_meta: DeclarationId,
-    }
-
-    impl RealizationMetas {
-        fn read(dag: &Dag) -> Result<Self, RealizationCostError> {
-            Ok(Self {
-                type_meta: dag
-                    .type_realization_meta()
-                    .ok_or(RealizationCostError::MissingMeta("TypeRealization"))?,
-                callable_meta: dag
-                    .callable_realization_meta()
-                    .ok_or(RealizationCostError::MissingMeta("CallableRealization"))?,
-                operator_meta: dag
-                    .operator_realization_meta()
-                    .ok_or(RealizationCostError::MissingMeta("OperatorRealization"))?,
-                behavior_meta: dag
-                    .behavior_realization_meta()
-                    .ok_or(RealizationCostError::MissingMeta("BehaviorRealization"))?,
-                type_instantiation_meta: dag.type_instantiation_realization_meta().ok_or(
-                    RealizationCostError::MissingMeta("TypeInstantiationRealization"),
-                )?,
-                pattern_meta: dag
-                    .pattern_realization_meta()
-                    .ok_or(RealizationCostError::MissingMeta("PatternRealization"))?,
-            })
-        }
-
-        fn category_for(&self, meta_tag: DeclarationId) -> Option<RealizationCostCategory> {
-            if meta_tag == self.type_meta {
-                Some(RealizationCostCategory::Type)
-            } else if meta_tag == self.callable_meta {
-                Some(RealizationCostCategory::Callable)
-            } else if meta_tag == self.operator_meta {
-                Some(RealizationCostCategory::Operator)
-            } else if meta_tag == self.behavior_meta {
-                Some(RealizationCostCategory::Behavior)
-            } else if meta_tag == self.type_instantiation_meta {
-                Some(RealizationCostCategory::TypeInstantiation)
-            } else if meta_tag == self.pattern_meta {
-                Some(RealizationCostCategory::Pattern)
-            } else {
-                None
-            }
-        }
-    }
-
-    fn require_field<'a>(
-        fields: &'a [(String, FieldValue)],
-        label: &str,
-        declaration: DeclarationId,
-    ) -> Result<&'a FieldValue, RealizationCostError> {
-        fields
-            .iter()
-            .find_map(|(field_label, value)| (field_label == label).then_some(value))
-            .ok_or(RealizationCostError::MalformedRealization {
-                declaration,
-                detail: format!("realization data item is missing required field `{label}`"),
-            })
-    }
-
-    fn require_decl_ref(
-        fields: &[(String, FieldValue)],
-        label: &str,
-        declaration: DeclarationId,
-    ) -> Result<DeclarationId, RealizationCostError> {
-        match require_field(fields, label, declaration)? {
-            FieldValue::Reference(id) => Ok(*id),
-            _ => Err(RealizationCostError::MalformedRealization {
-                declaration,
-                detail: format!("realization data item field `{label}` should be a DeclarationRef"),
-            }),
-        }
-    }
-
-    fn require_nonnegative_int(
-        fields: &[(String, FieldValue)],
-        label: &str,
-        declaration: DeclarationId,
-    ) -> Result<RealizationCostAmount, RealizationCostError> {
-        match require_field(fields, label, declaration)? {
-            FieldValue::Literal(LiteralBits::Int(s)) => {
-                let Some(parsed) = literal_decimal_i64(s.as_str()) else {
-                    return Err(RealizationCostError::MalformedRealization {
-                        declaration,
-                        detail: format!(
-                            "realization data item field `{label}` must be a signed decimal i64; got `{s}`"
-                        ),
-                    });
-                };
-                RealizationCostAmount::new(parsed).map_err(|cost| {
-                    RealizationCostError::NegativeRealizationCost { declaration, cost }
-                })
-            }
-            _ => Err(RealizationCostError::MalformedRealization {
-                declaration,
-                detail: format!("realization data item field `{label}` should be an Int literal"),
-            }),
-        }
-    }
-
-    #[cfg(test)]
-    mod tests {
-        use super::*;
-
-        use crate::generated_full_bootstrap_dag;
-
-        #[test]
-        fn realization_cost_table_rejects_negative_cost_rows() {
-            let mut dag = bootstrap_dag();
-            let rust_language = named_id(&dag, "rust_language");
-            let rust_int = named_id(&dag, "rust_int");
-            set_int_field(&mut dag, rust_int, "cost", -1);
-
-            let err = RealizationCostTable::for_language(&dag, rust_language)
-                .expect_err("negative realization cost should fail closed");
-
-            assert_eq!(
-                err,
-                RealizationCostError::NegativeRealizationCost {
-                    declaration: rust_int,
-                    cost: -1,
-                }
-            );
-        }
-
-        #[test]
-        fn realization_cost_table_rejects_non_language_spec_context() {
-            let dag = bootstrap_dag();
-            let not_language = named_id(&dag, "Int");
-
-            let err = RealizationCostTable::for_language(&dag, not_language)
-                .expect_err("non-LanguageSpec context should fail closed");
-
-            assert_eq!(
-                err,
-                RealizationCostError::NotLanguageSpec {
-                    declaration: not_language,
-                }
-            );
-        }
-
-        fn named_id(dag: &Dag, name: &str) -> DeclarationId {
-            dag.declaration_by_name(name)
-                .unwrap_or_else(|| panic!("missing declaration `{name}`"))
-                .id
-        }
-
-        fn bootstrap_dag() -> Dag {
-            std::thread::Builder::new()
-                .name("realization-cost-bootstrap".to_string())
-                .stack_size(64 * 1024 * 1024)
-                .spawn(generated_full_bootstrap_dag)
-                .expect("spawn bootstrap builder")
-                .join()
-                .expect("bootstrap builder should not panic")
-        }
-
-        fn set_int_field(dag: &mut Dag, decl: DeclarationId, field_name: &str, value: i64) {
-            let Some(ValueBody::Structural { fields }) = &mut dag.declaration_mut(decl).value_body
-            else {
-                panic!("declaration {:?} should have structural value_body", decl);
-            };
-            let field = fields
-                .iter_mut()
-                .find_map(|(label, field_value)| (label == field_name).then_some(field_value))
-                .unwrap_or_else(|| panic!("missing field `{field_name}`"));
-            *field = FieldValue::Literal(LiteralBits::Int(value.to_string()));
-        }
-    }
-}
-pub mod self_host_receipt_p0;
-pub mod evaluator {
-    //! E2 evaluator frame helpers.
-    //!
-    //! This module is the narrow Rust realization of the existing
-    //! `EvalFrame { bindings: Map<PortId, Value> }` and
-    //! `EvalStateStack { frames: List<EvalFrame> }` substrate carriers. The
-    //! value payload is generic on purpose: E2 owns binding-scope behavior,
-    //! not a new observable `Value` carrier. Later body-evaluator slices plug
-    //! in the runtime value representation without changing the frame rules
-    //! here.
-    //!
-    //! Dissolution target: when the `.dag` evaluator body implementation owns
-    //! frame mutation directly, this host helper should shrink to generated or
-    //! substrate-backed calls instead of becoming a parallel evaluator runtime.
-
-    use std::collections::HashMap;
-    use std::str::FromStr;
-
-    use num_bigint::BigInt;
-
-    use crate::dag::{
-        ArithmeticOp, ArrowBody, Behavior, BranchNode, BranchPattern, ClusterId, ComparisonOp, Dag,
-        DeclarationId, LiteralBits, LogicalOp, LoopBound, NodeId, OperatorKind, Path, PortId,
-        TransformNode, TransformTarget, TypeConnective,
-    };
-
-    /// Rust mirror of the substrate runtime `Value` carrier in
-    /// `src/v3/std/runtime.dag`.
-    ///
-    /// **Dissolution receipt: TERMINAL.** This is not a second value authority:
-    /// it has the same five inhabitants as the `.dag` carrier and exists so the
-    /// Rust eager evaluator can return typed runtime data until generated
-    /// substrate-backed calls replace this host helper.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum Value {
-        LiteralValue(LiteralBits),
-        RecordValue(Vec<NamedField>),
-        VariantValue {
-            tag: DeclarationId,
-            payload: Box<Value>,
-        },
-        NodeRef(NodeId),
-        CardinalityValue(LoopBound),
-    }
-
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct NamedField {
-        pub label: String,
-        pub value: Value,
-    }
-
-    /// Rust evaluator consumer mirror of `std.termination::StrictEvidence`.
-    ///
-    /// The `.dag` carrier is the authority; this mirror exists only because
-    /// the eager Rust evaluator cannot yet call generated std block bodies.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
-    pub enum StrictEvidence {
-        Strict,
-    }
-
-    /// Rust evaluator consumer mirror of `std.termination::NonStrictEvidence`.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
-    pub enum NonStrictEvidence {
-        NonIncreasing,
-        DescentUnknown,
-    }
-
-    /// Rust evaluator consumer mirror of `std.termination::DescentResidual`.
-    #[derive(Debug, Clone, Copy, PartialEq, Eq)]
-    pub enum DescentResidual {
-        EvidenceUnknown(NonStrictEvidence),
-        EvidenceIncomplete,
-    }
-
-    /// Rust evaluator consumer mirror of
-    /// `std.termination::DescentExecutionProof`.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct DescentExecutionProof {
-        pub cluster: ClusterId,
-        pub port: PortId,
-        pub per_path: HashMap<String, StrictEvidence>,
-    }
-
-    fn descent_execution_proof(
-        _dag: &Dag,
-        _cluster: ClusterId,
-        _port: PortId,
-    ) -> Result<DescentExecutionProof, DescentResidual> {
-        Err(DescentResidual::EvidenceIncomplete)
-    }
-
-    /// Rust mirror of the PR-A.3 / TC2 eager strategy carrier.
-    ///
-    /// **Dissolution receipt: TERMINAL at PR-A.3 / TC2 input-order scope.** The
-    /// public evaluator boundary carries strategy now so downstream slices
-    /// cannot erase it. TC2 adds a second executable input order under the same
-    /// applicative/eager skeleton; additional strategy families must land with
-    /// substrate carriers and executable evaluator rules.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum EvalStrategy {
-        ApplicativeOrder { input_order: InputEvaluationOrder },
-    }
-
-    /// 🟢 TERMINAL: Rust mirror of `std.runtime::InputEvaluationOrder`. Both
-    /// variants have executable eager evaluator behavior and key TC2
-    /// strategy-paired report producers through `EvalStrategy`.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum InputEvaluationOrder {
-        LeftFirst,
-        RightFirst,
-    }
-
-    /// Stable [`EvalError::BadTransformOperands::reason`] when a `Transform` callable target is
-    /// not an Arrow-shaped declaration at evaluation time (single string authority for pins/tests).
-    pub const BAD_TRANSFORM_CALLABLE_TARGET_NOT_ARROW_REASON: &str =
-        "Callable target declaration is not an Arrow type";
-
-    /// **Dissolution receipt: TERMINAL.** Typed fail-closed outcomes for
-    /// the body evaluator: missing-substrate cases (`MissingNode`,
-    /// `UnboundPort`), E3 transform
-    /// operand / arity diagnostics (`TransformArityMismatch`,
-    /// `UnsupportedTransformTarget`, `BadTransformOperands`), Branch
-    /// resolution / shape / payload-frame errors (E4), and frame
-    /// discipline propagation (`FrameError`). E5 adds loop-bound
-    /// diagnostics from the readiness audit: descent residual,
-    /// non-integer cardinality, and negative cardinality. Adding any
-    /// further variant is a STOP+PING per the E0 brief — either route the
-    /// underlying gap through P1 or extend PR-B.1's fail-closed catalog
-    /// first.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum EvalError {
-        MissingNode {
-            node: NodeId,
-        },
-        UnboundPort {
-            port: PortId,
-        },
-        TransformArityMismatch {
-            expected: usize,
-            got: usize,
-        },
-        UnsupportedTransformTarget {
-            kind: &'static str,
-        },
-        BadTransformOperands {
-            reason: &'static str,
-        },
-        /// E4 fail-closed: a `BranchPath.pattern` is still
-        /// `UnresolvedVariant` at evaluation time. Resolution must lower
-        /// `UnresolvedVariant` to `ResolvedVariant(DeclarationId)` before
-        /// the body evaluator runs. Reaching this variant is a resolution
-        /// gap, not a runtime case.
-        BranchUnresolvedVariant {
-            node: NodeId,
-            name: String,
-        },
-        /// E4 fail-closed: scrutinee `Value` is not `VariantValue`, so no
-        /// `BranchPattern::ResolvedVariant(tag)` can match. Substrate +
-        /// inference guarantee totality on well-typed programs; reaching
-        /// this is an invariant violation, not a runtime case.
-        BranchScrutineeShape {
-            node: NodeId,
-        },
-        /// E4 fail-closed: scrutinee is a `VariantValue { tag, .. }` but
-        /// no `BranchPath` carries `pattern: ResolvedVariant(decl)` with
-        /// `decl == tag`. Same invariant-violation framing.
-        BranchNoMatchingArm {
-            node: NodeId,
-            tag: DeclarationId,
-        },
-        /// E5 fail-closed: `LoopBound::Descent` execution requires
-        /// termination evidence and is explicitly deferred by the E5
-        /// readiness audit. The `measure` port is carried so diagnostics
-        /// identify the runtime value that would need descent evidence.
-        LoopBoundDescentResidual {
-            node: NodeId,
-            cluster: crate::dag::ClusterId,
-            measure: PortId,
-        },
-        /// E5 fail-closed: cardinality loops accept only a non-negative
-        /// runtime `Int` literal as the bounded iteration witness.
-        LoopCardinalityNonInteger {
-            node: NodeId,
-            count: PortId,
-        },
-        /// E5 fail-closed: negative counts are not cardinality witnesses.
-        LoopCardinalityNegative {
-            node: NodeId,
-            count: PortId,
-            value: i64,
-        },
-        /// E5 fail-closed: count is non-negative but cannot fit in the
-        /// host iteration counter without truncation.
-        LoopCardinalityTooLarge {
-            node: NodeId,
-            count: PortId,
-            value: i64,
-        },
-        /// E4 / E2 propagation: an `EvalFrameError` produced during
-        /// frame discipline (push/pop balance, duplicate bind, unbound
-        /// port). Carries the underlying `EvalFrameError` for
-        /// diagnostic locality.
-        FrameError(EvalFrameError),
-    }
-
-    impl From<EvalFrameError> for EvalError {
-        fn from(err: EvalFrameError) -> Self {
-            EvalError::FrameError(err)
-        }
-    }
-
-    pub fn eval_value(value: &crate::dag::ValueNode) -> Value {
-        Value::LiteralValue(value.data.clone())
-    }
-
-    fn reify_bool_literal_for_branch_scrutinee(dag: &Dag, value: Value) -> Value {
-        match value {
-            Value::LiteralValue(LiteralBits::Bool(b)) => dag
-                .bool_runtime_variant_id(b)
-                .map(|tag| Value::VariantValue {
-                    tag,
-                    payload: Box::new(Value::RecordValue(Vec::new())),
-                })
-                .unwrap_or(Value::LiteralValue(LiteralBits::Bool(b))),
-            other => other,
-        }
-    }
-
-    pub fn eval_port(
-        dag: &Dag,
-        port: PortId,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        let Some(port_ref) = dag.port_opt(&port) else {
-            return Err(EvalError::UnboundPort { port });
-        };
-        if let Some(producer) = port_ref.produced_by {
-            return eval_node(dag, producer, state, strategy);
-        }
-        state
-            .lookup(port)
-            .cloned()
-            .map_err(|_| EvalError::UnboundPort { port })
-    }
-
-    pub fn eval_node(
-        dag: &Dag,
-        node: NodeId,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        match dag.node_opt(&node).ok_or(EvalError::MissingNode { node })? {
-            Behavior::Value(value) => Ok(eval_value(value)),
-            Behavior::Transform(t) => eval_transform_node(dag, t, state, strategy),
-            Behavior::Branch(branch) => eval_branch(dag, branch.clone(), state, strategy),
-            Behavior::Loop(loop_node) => eval_loop(dag, loop_node.clone(), state, strategy),
-            Behavior::Bind(bind) => eval_bind(dag, bind.clone(), state, strategy),
-        }
-    }
-
-    /// PR-E E4: evaluate a `Branch` node per PR-B.1 §B.1.3 — eager
-    /// scrutinee evaluation, exact `ResolvedVariant` tag match,
-    /// payload binding in a fresh frame, body evaluation through
-    /// `eval_node`. Frame push/pop is balanced on both success and
-    /// diagnostic paths so the stack invariant survives errors.
-    pub fn eval_branch(
-        dag: &Dag,
-        branch: BranchNode,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        let scrutinee = reify_bool_literal_for_branch_scrutinee(
-            dag,
-            eval_port(dag, branch.input, state, strategy)?,
-        );
-        let (tag, payload) = match scrutinee {
-            Value::VariantValue { tag, payload } => (tag, payload),
-            _ => return Err(EvalError::BranchScrutineeShape { node: branch.id }),
-        };
-        let path = select_branch_path(dag, &branch, tag)?;
-        state.push_frame(EvalFrame::empty());
-        let body_result =
-            eval_branch_body_in_pushed_frame(dag, branch.id, &path, *payload, state, strategy);
-        let pop_result = state.pop_frame();
-        // The body result is authoritative; only surface a frame
-        // error if the body otherwise succeeded.
-        match (body_result, pop_result) {
-            (Ok(value), Ok(_)) => Ok(value),
-            (Err(err), _) => Err(err),
-            (Ok(_), Err(frame_err)) => Err(EvalError::from(frame_err)),
-        }
-    }
-
-    fn select_branch_path(
-        dag: &Dag,
-        branch: &BranchNode,
-        tag: DeclarationId,
-    ) -> Result<Path, EvalError> {
-        // Pass 1 (Fail-Closed / C-8): reject substrate-invalid branches before arm
-        // selection — a matching early arm cannot mask an unresolvable later arm.
-        //
-        // PB-1 embedded bootstrap often leaves surface variant labels as
-        // `UnresolvedVariant` before inference materializes `ResolvedVariant` rows.
-        // Validation + matching consult **existing `Disj` facts** on `dag` (plus Bool /
-        // list-shaped fast paths), not a parallel sum-name registry.
-        for path in &branch.paths {
-            if let BranchPattern::UnresolvedVariant { name, .. } = &path.pattern {
-                validate_unresolved_branch_pattern_for_eval(dag, branch.id, name, tag)?;
-            }
-        }
-        for path in &branch.paths {
-            if branch_pattern_matches_scrutinee_tag(dag, &path.pattern, tag)? {
-                return Ok(path.clone());
-            }
-        }
-        Err(EvalError::BranchNoMatchingArm {
-            node: branch.id,
-            tag,
-        })
-    }
-
-    fn validate_unresolved_branch_pattern_for_eval(
-        dag: &Dag,
-        branch_id: NodeId,
-        name: &str,
-        scrutinee_tag: DeclarationId,
-    ) -> Result<(), EvalError> {
-        let missing = || EvalError::BranchUnresolvedVariant {
-            node: branch_id,
-            name: name.to_string(),
-        };
-        // Fail-closed: labels must be declared on the **owning sum** of `scrutinee_tag`,
-        // not merely on some unrelated `Disj` elsewhere on `dag`. Otherwise a wrong-sum
-        // `UnresolvedVariant` arm validates globally while an earlier arm matches —
-        // masking substrate-invalid arms (C-8).
-        if !scrutinee_sum_declares_variant_label(dag, scrutinee_tag, name) {
-            return Err(missing());
-        }
-        Ok(())
-    }
-
-    fn variant_arm_targets_scrutinee_constructor(
-        dag: &Dag,
-        arm_ty: DeclarationId,
-        scrutinee_tag: DeclarationId,
-    ) -> bool {
-        if arm_ty == scrutinee_tag {
-            return true;
-        }
-        let scrutinee_template = match &dag.declaration(scrutinee_tag).connective {
-            TypeConnective::Instantiation { template, .. } => Some(*template),
-            _ => None,
-        };
-        scrutinee_template == Some(arm_ty)
-    }
-
-    fn scrutinee_sum_declares_variant_label(
-        dag: &Dag,
-        scrutinee_tag: DeclarationId,
-        label: &str,
-    ) -> bool {
-        for decl in dag.declarations() {
-            let TypeConnective::Disj { variants } = &decl.connective else {
-                continue;
-            };
-            let owns_scrutinee = variants
-                .iter()
-                .any(|v| variant_arm_targets_scrutinee_constructor(dag, v.ty, scrutinee_tag));
-            if !owns_scrutinee {
-                continue;
-            }
-            if variants.iter().any(|v| v.label == label) {
-                return true;
-            }
-        }
-        false
-    }
-
-    fn branch_pattern_matches_scrutinee_tag(
-        dag: &Dag,
-        pattern: &BranchPattern,
-        scrutinee_tag: DeclarationId,
-    ) -> Result<bool, EvalError> {
-        let list_scrutinee_shape = Value::VariantValue {
-            tag: scrutinee_tag,
-            payload: Box::new(Value::RecordValue(Vec::new())),
-        };
-        match pattern {
-            BranchPattern::ResolvedVariant(decl) => Ok(*decl == scrutinee_tag),
-            BranchPattern::UnresolvedVariant { name, .. } => match name.as_str() {
-                "True" => Ok(dag.bool_runtime_variant_id(true) == Some(scrutinee_tag)),
-                "False" => Ok(dag.bool_runtime_variant_id(false) == Some(scrutinee_tag)),
-                "Empty" => {
-                    Ok(eval_std_list_is_empty_variant(dag, &list_scrutinee_shape) == Some(true))
-                }
-                "Cons" => {
-                    Ok(eval_std_list_is_empty_variant(dag, &list_scrutinee_shape) == Some(false))
-                }
-                other => Ok(unresolved_variant_label_matches_scrutinee_tag(
-                    dag,
-                    other,
-                    scrutinee_tag,
-                )),
-            },
-        }
-    }
-
-    /// PB-1 embed: relate an `UnresolvedVariant` label to the scrutinee constructor id using only
-    /// [`TypeConnective::Disj`] rows already allocated on [`Dag`]—the same substrate carrier
-    /// inference will eventually freeze as [`BranchPattern::ResolvedVariant`].
-    fn unresolved_variant_label_matches_scrutinee_tag(
-        dag: &Dag,
-        pattern_label: &str,
-        scrutinee_tag: DeclarationId,
-    ) -> bool {
-        let constructor_template = match &dag.declaration(scrutinee_tag).connective {
-            TypeConnective::Instantiation { template, .. } => Some(*template),
-            _ => None,
-        };
-        for decl in dag.declarations() {
-            let TypeConnective::Disj { variants } = &decl.connective else {
-                continue;
-            };
-            for variant in variants {
-                if variant.label != pattern_label {
-                    continue;
-                }
-                if variant.ty == scrutinee_tag {
-                    return true;
-                }
-                if constructor_template == Some(variant.ty) {
-                    return true;
-                }
-            }
-        }
-        false
-    }
-
-    fn eval_branch_body_in_pushed_frame(
-        dag: &Dag,
-        branch_id: NodeId,
-        path: &Path,
-        payload: Value,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        if let Some(binding) = &path.binding {
-            state.bind_top(binding.payload_port, payload)?;
-        }
-        // `lower.rs` uses `path.body == branch.id` as the
-        // **producerless-arm sentinel**: the arm's result port has no
-        // producer node (returns an existing or payload-bound port
-        // directly), so the lowerer points body back at the Branch
-        // node itself. Skip body evaluation in that case — recursing
-        // through `eval_node` would re-enter `eval_branch` on the
-        // same node and either loop forever or drop the authoritative
-        // `path.output` fact. The arm's value is read directly from
-        // `path.output` via `eval_port`.
-        if path.body != branch_id {
-            // Otherwise: evaluate the body for its frame-binding side
-            // effects (E6 Bind, future E3 Transform). Body diagnostic
-            // propagates through `?`. The body's local return value
-            // is intentionally discarded — the arm's authoritative
-            // value is at `path.output`, per
-            // `BranchPath.output: PortId` in the substrate; an arm
-            // whose `output` is an existing or payload-bound port
-            // would drop that fact if the evaluator returned the
-            // body's local result instead.
-            let _ = eval_node(dag, path.body, state, strategy)?;
-        }
-        eval_port(dag, path.output, state, strategy)
-    }
-
-    /// PR-E E5: bounded eager loop execution. `LoopBound::Cardinality`
-    /// evaluates by count. `LoopBound::Descent` is wired through the
-    /// `descent_execution_proof` proof hook, but the live default hook remains
-    /// fail-closed with `EvidenceIncomplete` until the substrate producer
-    /// emits per-path strict evidence. Tests inject that proof hook to exercise
-    /// the consumer success and residual paths.
-    pub fn eval_loop(
-        dag: &Dag,
-        loop_node: crate::dag::LoopNode,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        eval_loop_with_descent_execution_proof(
-            dag,
-            loop_node,
-            state,
-            strategy,
-            descent_execution_proof,
-        )
-    }
-
-    fn eval_loop_with_descent_execution_proof(
-        dag: &Dag,
-        loop_node: crate::dag::LoopNode,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-        proof_fn: impl Fn(&Dag, ClusterId, PortId) -> Result<DescentExecutionProof, DescentResidual>,
-    ) -> Result<Value, EvalError> {
-        let mut acc = eval_port(dag, loop_node.init, state, strategy)?;
-        let count = match &loop_node.bound {
-            LoopBound::Cardinality { count } => {
-                decode_loop_cardinality_count(dag, loop_node.id, *count, state, strategy)?
-            }
-            LoopBound::Descent { cluster, measure } => {
-                let proof = proof_fn(dag, *cluster, *measure).map_err(|_| {
-                    EvalError::LoopBoundDescentResidual {
-                        node: loop_node.id,
-                        cluster: *cluster,
-                        measure: *measure,
-                    }
-                })?;
-                discharge_descent_obligation(dag, loop_node.id, *cluster, *measure, proof)?;
-                // Current E2 consumer scope discharges the termination
-                // obligation and executes one descent step. Body-to-convergence
-                // semantics belong to the follow-on descent producer/runtime.
-                1
-            }
-        };
-        for _ in 0..count {
-            state.push_frame(EvalFrame::empty());
-            let body_result = eval_loop_iteration_body(dag, &loop_node, acc, state, strategy);
-            let pop_result = state.pop_frame();
-            match (body_result, pop_result) {
-                (Ok(next), Ok(_)) => acc = next,
-                (Err(err), _) => return Err(err),
-                (Ok(_), Err(frame_err)) => return Err(EvalError::from(frame_err)),
-            }
-        }
-        Ok(acc)
-    }
-
-    fn discharge_descent_obligation(
-        dag: &Dag,
-        node: NodeId,
-        cluster: ClusterId,
-        measure: PortId,
-        proof: DescentExecutionProof,
-    ) -> Result<(), EvalError> {
-        if proof.cluster == cluster
-            && proof.port == measure
-            && dag.cluster(cluster).intra_cluster_calls.iter().all(|call| {
-                proof
-                    .per_path
-                    .contains_key(&descent_proof_path_key(call.transform))
-            })
-        {
-            Ok(())
-        } else {
-            Err(EvalError::LoopBoundDescentResidual {
-                node,
-                cluster,
-                measure,
-            })
-        }
-    }
-
-    fn descent_proof_path_key(transform: crate::dag::TransformRef) -> String {
-        transform.node_id().raw().to_string()
-    }
-
-    fn eval_loop_iteration_body(
-        dag: &Dag,
-        loop_node: &crate::dag::LoopNode,
-        acc: Value,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        state.bind_top(loop_node.source, acc)?;
-        eval_node(dag, loop_node.body, state, strategy)
-    }
-
-    fn decode_loop_cardinality_count(
-        dag: &Dag,
-        node: NodeId,
-        count: PortId,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<usize, EvalError> {
-        match eval_port(dag, count, state, strategy)? {
-            Value::LiteralValue(LiteralBits::Int(s)) => {
-                let n: i128 = s
-                    .parse()
-                    .map_err(|_| EvalError::LoopCardinalityNonInteger { node, count })?;
-                if n < 0 {
-                    return Err(EvalError::LoopCardinalityNegative {
-                        node,
-                        count,
-                        value: (n.clamp(i64::MIN as i128, i64::MAX as i128) as i64),
-                    });
-                }
-                usize::try_from(n).map_err(|_| EvalError::LoopCardinalityTooLarge {
-                    node,
-                    count,
-                    value: (n.clamp(i64::MIN as i128, i64::MAX as i128) as i64),
-                })
-            }
-            _ => Err(EvalError::LoopCardinalityNonInteger { node, count }),
-        }
-    }
-
-    /// PR-E Bind/callable-entry prerequisite: evaluate the body port in a
-    /// fresh callable frame populated from the caller-visible parameter
-    /// bindings. Argument evaluation / callable dispatch stays outside this
-    /// slice; callers must have already registered `BindNode.params` in an
-    /// outer frame.
-    pub fn eval_bind(
-        dag: &Dag,
-        bind: crate::dag::BindNode,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        if bind.params.is_empty() {
-            return eval_port(dag, bind.value, state, strategy);
-        }
-        let bindings = bind
-            .params
-            .iter()
-            .map(|param| {
-                state
-                    .lookup(*param)
-                    .cloned()
-                    .map(|value| (*param, value))
-                    .map_err(EvalError::from)
-            })
-            .collect::<Result<Vec<_>, _>>()?;
-        state.push_frame(EvalFrame::empty());
-        let body_result = eval_bind_body_in_pushed_frame(dag, &bind, bindings, state, strategy);
-        let pop_result = state.pop_frame();
-        match (body_result, pop_result) {
-            (Ok(value), Ok(_)) => Ok(value),
-            (Err(err), _) => Err(err),
-            (Ok(_), Err(frame_err)) => Err(EvalError::from(frame_err)),
-        }
-    }
-
-    fn eval_bind_body_in_pushed_frame(
-        dag: &Dag,
-        bind: &crate::dag::BindNode,
-        bindings: Vec<(PortId, Value)>,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        for (param, value) in bindings {
-            state.bind_top(param, value)?;
-        }
-        eval_port(dag, bind.value, state, strategy)
-    }
-
-    fn eval_transform_node(
-        dag: &Dag,
-        t: &TransformNode,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        // Bool `&&` / `||` must short-circuit: eager operand evaluation would run RHS
-        // transforms (e.g. polymorphic `contains`) even when the LHS already fixes the
-        // result — PB-1 demo stubs rely on surface precedence (`A || B && C` ≡ `A || (B && C)`).
-        if let TransformTarget::Operator(OperatorKind::Logical(op)) = &t.target {
-            if t.inputs.len() != 2 {
-                return Err(EvalError::TransformArityMismatch {
-                    expected: 2,
-                    got: t.inputs.len(),
-                });
-            }
-            let lhs_val = eval_port(dag, t.inputs[0], state, strategy)?;
-            let a = expect_bool_literal(&lhs_val)?;
-            return match op {
-                LogicalOp::And => {
-                    if !a {
-                        Ok(Value::LiteralValue(LiteralBits::Bool(false)))
-                    } else {
-                        let rhs_val = eval_port(dag, t.inputs[1], state, strategy)?;
-                        let b = expect_bool_literal(&rhs_val)?;
-                        Ok(Value::LiteralValue(LiteralBits::Bool(b)))
-                    }
-                }
-                LogicalOp::Or => {
-                    if a {
-                        Ok(Value::LiteralValue(LiteralBits::Bool(true)))
-                    } else {
-                        let rhs_val = eval_port(dag, t.inputs[1], state, strategy)?;
-                        let b = expect_bool_literal(&rhs_val)?;
-                        Ok(Value::LiteralValue(LiteralBits::Bool(b)))
-                    }
-                }
-            };
-        }
-
-        let operands = eval_transform_operands(dag, &t.inputs, state, strategy)?;
-        match &t.target {
-            TransformTarget::Operator(OperatorKind::Arithmetic(op)) => {
-                if operands.len() != 2 {
-                    return Err(EvalError::TransformArityMismatch {
-                        expected: 2,
-                        got: operands.len(),
-                    });
-                }
-                let a = expect_int_literal(&operands[0])?;
-                let b = expect_int_literal(&operands[1])?;
-                // `Div` is totalized as `Result<T, DivError>` on the transform port in inference.
-                // The host `Value` carrier has no std `Result` projection yet — fail closed here
-                // instead of routing `/` through the same `i64` success path as `+`/`-`/`*`.
-                if matches!(op, ArithmeticOp::Div) {
-                    return Err(EvalError::UnsupportedTransformTarget {
-                        kind: "ArithmeticDiv",
-                    });
-                }
-                let n = apply_arithmetic_int_ring_only(*op, a, b)?;
-                Ok(Value::LiteralValue(LiteralBits::Int(n.to_string())))
-            }
-            TransformTarget::Operator(OperatorKind::Comparison(op)) => {
-                if operands.len() != 2 {
-                    return Err(EvalError::TransformArityMismatch {
-                        expected: 2,
-                        got: operands.len(),
-                    });
-                }
-                let out = match (&operands[0], &operands[1]) {
-                    (
-                        Value::LiteralValue(LiteralBits::Int(a)),
-                        Value::LiteralValue(LiteralBits::Int(b)),
-                    ) => {
-                        let ai =
-                            BigInt::from_str(a).map_err(|_| EvalError::BadTransformOperands {
-                                reason: "expected Int literal",
-                            })?;
-                        let bi =
-                            BigInt::from_str(b).map_err(|_| EvalError::BadTransformOperands {
-                                reason: "expected Int literal",
-                            })?;
-                        match op {
-                            ComparisonOp::Eq => ai == bi,
-                            ComparisonOp::Ne => ai != bi,
-                            ComparisonOp::Lt => ai < bi,
-                            ComparisonOp::Le => ai <= bi,
-                            ComparisonOp::Gt => ai > bi,
-                            ComparisonOp::Ge => ai >= bi,
-                        }
-                    }
-                    (
-                        Value::LiteralValue(LiteralBits::Bool(a)),
-                        Value::LiteralValue(LiteralBits::Bool(b)),
-                    ) => match op {
-                        ComparisonOp::Eq => a == b,
-                        ComparisonOp::Ne => a != b,
-                        ComparisonOp::Lt => a < b,
-                        ComparisonOp::Le => a <= b,
-                        ComparisonOp::Gt => a > b,
-                        ComparisonOp::Ge => a >= b,
-                    },
-                    (
-                        Value::LiteralValue(LiteralBits::String(a)),
-                        Value::LiteralValue(LiteralBits::String(b)),
-                    )
-                    | (
-                        Value::LiteralValue(LiteralBits::Symbol(a)),
-                        Value::LiteralValue(LiteralBits::Symbol(b)),
-                    )
-                    | (
-                        Value::LiteralValue(LiteralBits::String(a)),
-                        Value::LiteralValue(LiteralBits::Symbol(b)),
-                    )
-                    | (
-                        Value::LiteralValue(LiteralBits::Symbol(a)),
-                        Value::LiteralValue(LiteralBits::String(b)),
-                    ) => match op {
-                        ComparisonOp::Eq => a == b,
-                        ComparisonOp::Ne => a != b,
-                        _ => {
-                            return Err(EvalError::BadTransformOperands {
-                                reason: "string/symbol comparison beyond Eq/Ne",
-                            });
-                        }
-                    },
-                    _ => {
-                        return Err(EvalError::BadTransformOperands {
-                            reason:
-                                "comparison operands must be Int literals, Bool literals, or String literals (Eq/Ne only for String)",
-                        });
-                    }
-                };
-                Ok(Value::LiteralValue(LiteralBits::Bool(out)))
-            }
-            TransformTarget::Operator(OperatorKind::Logical(_)) => {
-                // `Logical` is handled above (short-circuit). Reaching here is dispatch drift,
-                // not a proof obligation — fail closed without `unreachable!` (CODING.md).
-                Err(EvalError::UnsupportedTransformTarget {
-                    kind: "LogicalTransformRouting",
-                })
-            }
-            TransformTarget::UnresolvedFieldProject { field_label }
-            | TransformTarget::ResolvedFieldProject { field_label } => {
-                if operands.len() != 1 {
-                    return Err(EvalError::TransformArityMismatch {
-                        expected: 1,
-                        got: operands.len(),
-                    });
-                }
-                let carrier = &operands[0];
-                let Value::RecordValue(fields) = carrier else {
-                    return Err(EvalError::BadTransformOperands {
-                        reason: "FieldProject carrier must be a RecordValue",
-                    });
-                };
-                let Some(field) = fields.iter().find(|f| &f.label == field_label) else {
-                    return Err(EvalError::BadTransformOperands {
-                        reason: "FieldProject label not present on RecordValue carrier",
-                    });
-                };
-                Ok(field.value.clone())
-            }
-            TransformTarget::Callable(callee_decl) => {
-                let callee_decl = *callee_decl;
-                if let Some(value) = try_dispatch_std_list_is_empty(dag, callee_decl, &operands) {
-                    return Ok(value);
-                }
-                if let Some(result) = crate::emit_host_eval::try_dispatch_run_host_process(
-                    dag,
-                    callee_decl,
-                    &operands,
-                    state,
-                    strategy,
-                ) {
-                    return result;
-                }
-                if let Some(result) =
-                    crate::emit_host_eval::try_dispatch_runtime_value_signed_i32_le_as_int(
-                        dag,
-                        callee_decl,
-                        &operands,
-                        state,
-                        strategy,
-                    )
-                {
-                    return result;
-                }
-                if let Some(result) = crate::emit_host_eval::try_dispatch_emit_host_rust(
-                    dag,
-                    callee_decl,
-                    &operands,
-                    state,
-                    strategy,
-                ) {
-                    return result;
-                }
-                if let Some(result) = crate::emit_host_eval::try_dispatch_emit_host_go(
-                    dag,
-                    callee_decl,
-                    &operands,
-                    state,
-                    strategy,
-                ) {
-                    return result;
-                }
-                if let Some(result) = crate::emit_host_eval::try_dispatch_emit_host(
-                    dag,
-                    callee_decl,
-                    &operands,
-                    state,
-                    strategy,
-                ) {
-                    return result;
-                }
-                let connective = &dag.declaration(callee_decl).connective;
-                if let TypeConnective::Arrow { body, .. } = connective {
-                    let ArrowBody::UserDefined(bind_id) = body else {
-                        return Err(EvalError::UnsupportedTransformTarget {
-                            kind: "Callable (non-UserDefined body)",
-                        });
-                    };
-                    let bind_node_id = bind_id.node_id();
-                    let Behavior::Bind(bind) = dag.node(bind_node_id) else {
-                        return Err(EvalError::MissingNode { node: bind_node_id });
-                    };
-                    let bind = bind.clone();
-                    if operands.len() != bind.params.len() {
-                        return Err(EvalError::TransformArityMismatch {
-                            expected: bind.params.len(),
-                            got: operands.len(),
-                        });
-                    }
-                    let bindings: Vec<(PortId, Value)> =
-                        bind.params.iter().copied().zip(operands).collect();
-                    state.push_frame(EvalFrame::empty());
-                    let body_result =
-                        eval_callable_body_in_pushed_frame(dag, &bind, bindings, state, strategy);
-                    let pop_result = state.pop_frame();
-                    return match (body_result, pop_result) {
-                        (Ok(value), Ok(_)) => Ok(value),
-                        (Err(err), _) => Err(err),
-                        (Ok(_), Err(frame_err)) => Err(EvalError::from(frame_err)),
-                    };
-                }
-
-                // E6-G0d: non-Arrow `Callable` targets lowered as record/variant constructors.
-                let variant_tag_template = match &dag.declaration(callee_decl).connective {
-                    TypeConnective::Instantiation { template, .. } => *template,
-                    _ => callee_decl,
-                };
-                if crate::lower::declaration_is_disj_variant_arm(dag, variant_tag_template) {
-                    let Some(fields) =
-                        crate::lower::eval_constructor_variant_payload_fields(dag, callee_decl)
-                    else {
-                        return Err(EvalError::BadTransformOperands {
-                            reason: "variant constructor payload fields could not be resolved",
-                        });
-                    };
-                    if operands.len() != fields.len() {
-                        return Err(EvalError::TransformArityMismatch {
-                            expected: fields.len(),
-                            got: operands.len(),
-                        });
-                    }
-                    // Match `infer::resolve_payload_binding_type`: a single Conj field labeled
-                    // `_0` uses `PayloadBindingResolution::Direct` — the match arm's payload port
-                    // is typed as the inner `T`, not a record shape. Runtime `VariantValue.payload`
-                    // must carry `T` directly so `eval_branch` binding agrees with inference.
-                    let payload: Value = if fields.len() == 1 && fields[0].0 == "_0" {
-                        operands
-                            .into_iter()
-                            .next()
-                            .expect("length checked against fields.len()")
-                    } else {
-                        Value::RecordValue(
-                            fields
-                                .into_iter()
-                                .zip(operands)
-                                .map(|((label, _), value)| NamedField { label, value })
-                                .collect(),
-                        )
-                    };
-                    return Ok(Value::VariantValue {
-                        tag: variant_tag_template,
-                        payload: Box::new(payload),
-                    });
-                }
-
-                if let Some(labels) =
-                    crate::lower::constructor_record_field_labels(dag, callee_decl)
-                {
-                    if operands.len() != labels.len() {
-                        return Err(EvalError::TransformArityMismatch {
-                            expected: labels.len(),
-                            got: operands.len(),
-                        });
-                    }
-                    let record_fields: Vec<NamedField> = labels
-                        .into_iter()
-                        .zip(operands)
-                        .map(|(label, value)| NamedField { label, value })
-                        .collect();
-                    return Ok(Value::RecordValue(record_fields));
-                }
-
-                Err(EvalError::BadTransformOperands {
-                    reason: BAD_TRANSFORM_CALLABLE_TARGET_NOT_ARROW_REASON,
-                })
-            }
-        }
-    }
-
-    fn eval_transform_operands(
-        dag: &Dag,
-        inputs: &[PortId],
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Vec<Value>, EvalError> {
-        let mut evaluated = Vec::with_capacity(inputs.len());
-        match strategy {
-            EvalStrategy::ApplicativeOrder {
-                input_order: InputEvaluationOrder::LeftFirst,
-            } => {
-                for (index, port) in inputs.iter().enumerate() {
-                    evaluated.push((index, eval_port(dag, *port, state, strategy)?));
-                }
-            }
-            EvalStrategy::ApplicativeOrder {
-                input_order: InputEvaluationOrder::RightFirst,
-            } => {
-                for (index, port) in inputs.iter().enumerate().rev() {
-                    evaluated.push((index, eval_port(dag, *port, state, strategy)?));
-                }
-                evaluated.sort_by_key(|(index, _)| *index);
-            }
-        }
-        Ok(evaluated.into_iter().map(|(_, value)| value).collect())
-    }
-
-    fn eval_callable_body_in_pushed_frame(
-        dag: &Dag,
-        bind: &crate::dag::BindNode,
-        bindings: Vec<(PortId, Value)>,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        for (param, value) in bindings {
-            state.bind_top(param, value)?;
-        }
-        eval_port(dag, bind.value, state, strategy)
-    }
-
-    fn expect_int_literal(value: &Value) -> Result<i64, EvalError> {
-        match value {
-            Value::LiteralValue(LiteralBits::Int(s)) => {
-                s.parse::<i64>()
-                    .map_err(|_| EvalError::BadTransformOperands {
-                        reason: "expected Int literal in i64 range",
-                    })
-            }
-            _ => Err(EvalError::BadTransformOperands {
-                reason: "expected Int literal",
-            }),
-        }
-    }
-
-    fn expect_bool_literal(value: &Value) -> Result<bool, EvalError> {
-        match value {
-            Value::LiteralValue(LiteralBits::Bool(b)) => Ok(*b),
-            _ => Err(EvalError::BadTransformOperands {
-                reason: "expected Bool literal",
-            }),
-        }
-    }
-
-    /// PB-1 scaffold: `std.list.is_empty` lowers as `Callable(non-UserDefined)` for generic
-    /// instances; recognize list-shaped `VariantValue` scrutinees without executing the missing
-    /// body. Dissolution: UserDefined lowering for list helpers on the PB-1 bootstrap path.
-    fn try_dispatch_std_list_is_empty(
-        dag: &Dag,
-        callee_decl: DeclarationId,
-        operands: &[Value],
-    ) -> Option<Value> {
-        if operands.len() != 1 {
-            return None;
-        }
-        let callee = dag.declaration(callee_decl);
-        if callee.name.as_deref() != Some("is_empty") {
-            return None;
-        }
-        if !callee.span.file.ends_with("list.dag") {
-            return None;
-        }
-        let TypeConnective::Arrow { output, body, .. } = &callee.connective else {
-            return None;
-        };
-        if matches!(body, ArrowBody::UserDefined(_)) {
-            return None;
-        }
-        if !type_peels_to_bool(dag, *output) {
-            return None;
-        }
-        let bit = eval_std_list_is_empty_variant(dag, &operands[0])?;
-        Some(Value::LiteralValue(LiteralBits::Bool(bit)))
-    }
-
-    fn type_peels_to_bool(dag: &Dag, mut ty: DeclarationId) -> bool {
-        let Some(bool_shape) = dag.bool_shape() else {
-            return false;
-        };
-        let bool_decl = bool_shape.declaration;
-        for _ in 0..64 {
-            if ty == bool_decl {
-                return true;
-            }
-            let decl = dag.declaration(ty);
-            match &decl.connective {
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if arguments.is_empty() => {
-                    ty = *template;
-                }
-                _ => return false,
-            }
-        }
-        false
-    }
-
-    fn eval_std_list_is_empty_variant(dag: &Dag, list_value: &Value) -> Option<bool> {
-        let Value::VariantValue { tag, .. } = list_value else {
-            return None;
-        };
-        let list_decl = dag.declaration_by_name("List")?;
-        let TypeConnective::Disj { variants } = &list_decl.connective else {
-            return None;
-        };
-        let empty_arm_ty = variants.iter().find(|v| v.label == "Empty")?.ty;
-        let cons_arm_ty = variants.iter().find(|v| v.label == "Cons")?.ty;
-        let tag_decl = dag.declaration(*tag);
-        if let TypeConnective::Instantiation { template, .. } = &tag_decl.connective {
-            if *template == empty_arm_ty {
-                return Some(true);
-            }
-            if *template == cons_arm_ty {
-                return Some(false);
-            }
-            return None;
-        }
-        match tag_decl.name.as_deref()? {
-            "Empty" => Some(true),
-            "Cons" => Some(false),
-            _ => None,
-        }
-    }
-
-    /// Checked `Int` ring ops only (`Add` / `Sub` / `Mul`). `Div` is rejected
-    /// at the [`eval_transform_node`] call site so this helper never collapses
-    /// division through the same `i64` carrier as ring success values.
-    fn apply_arithmetic_int_ring_only(op: ArithmeticOp, a: i64, b: i64) -> Result<i64, EvalError> {
-        const OVERFLOW: EvalError = EvalError::BadTransformOperands {
-            reason: "integer overflow",
-        };
-        match op {
-            ArithmeticOp::Add => a.checked_add(b).ok_or(OVERFLOW),
-            ArithmeticOp::Sub => a.checked_sub(b).ok_or(OVERFLOW),
-            ArithmeticOp::Mul => a.checked_mul(b).ok_or(OVERFLOW),
-            ArithmeticOp::Div => Err(EvalError::UnsupportedTransformTarget {
-                kind: "ArithmeticDiv",
-            }),
-        }
-    }
-
-    /// Evaluate a substrate `fn` declaration by `DeclarationId` (Arrow + UserDefined body).
-    pub fn eval_callable_declaration(
-        dag: &Dag,
-        callee_decl: DeclarationId,
-        operands: Vec<Value>,
-        state: &mut EvalStateStack<Value>,
-        strategy: &EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        let connective = &dag.declaration(callee_decl).connective;
-        let TypeConnective::Arrow { body, .. } = connective else {
-            return Err(EvalError::UnsupportedTransformTarget {
-                kind: "Callable (non-Arrow body)",
-            });
-        };
-        let ArrowBody::UserDefined(bind_id) = body else {
-            return Err(EvalError::UnsupportedTransformTarget {
-                kind: "Callable (non-UserDefined body)",
-            });
-        };
-        let bind_node_id = bind_id.node_id();
-        let Behavior::Bind(bind) = dag.node(bind_node_id) else {
-            return Err(EvalError::MissingNode { node: bind_node_id });
-        };
-        let bind = bind.clone();
-        if operands.len() != bind.params.len() {
-            return Err(EvalError::TransformArityMismatch {
-                expected: bind.params.len(),
-                got: operands.len(),
-            });
-        }
-        let bindings: Vec<(PortId, Value)> = bind.params.iter().copied().zip(operands).collect();
-        state.push_frame(EvalFrame::empty());
-        let body_result = eval_callable_body_in_pushed_frame(dag, &bind, bindings, state, strategy);
-        let pop_result = state.pop_frame();
-        match (body_result, pop_result) {
-            (Ok(value), Ok(_)) => Ok(value),
-            (Err(err), _) => Err(err),
-            (Ok(_), Err(frame_err)) => Err(EvalError::from(frame_err)),
-        }
-    }
-
-    pub fn evaluate_body(
-        dag: &Dag,
-        entry: NodeId,
-        state: &mut EvalStateStack<Value>,
-        strategy: EvalStrategy,
-    ) -> Result<Value, EvalError> {
-        eval_node(dag, entry, state, &strategy)
-    }
-
-    /// **Dissolution receipt: TERMINAL.** The three variants are distinct
-    /// fail-closed outcomes for the E2 frame boundary.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub enum EvalFrameError {
-        EmptyStateStack,
-        DuplicateBinding { port: PortId },
-        UnboundPort { port: PortId },
-    }
-
-    /// One evaluator binding scope.
-    ///
-    /// `HashMap<PortId, V>` is the Rust realization of the substrate
-    /// `Map<PortId, Value>` finite partial-function discipline. Do not replace
-    /// this with a duplicate-admitting `List<EvalBinding>` shape.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct EvalFrame<V> {
-        bindings: HashMap<PortId, V>,
-    }
-
-    impl<V> EvalFrame<V> {
-        pub fn empty() -> Self {
-            Self {
-                bindings: HashMap::new(),
-            }
-        }
-
-        pub fn from_bindings(
-            bindings: impl IntoIterator<Item = (PortId, V)>,
-        ) -> Result<Self, EvalFrameError> {
-            let mut frame = Self::empty();
-            for (port, value) in bindings {
-                frame.bind(port, value)?;
-            }
-            Ok(frame)
-        }
-
-        pub fn bind(&mut self, port: PortId, value: V) -> Result<(), EvalFrameError> {
-            if self.bindings.contains_key(&port) {
-                return Err(EvalFrameError::DuplicateBinding { port });
-            }
-            self.bindings.insert(port, value);
-            Ok(())
-        }
-
-        pub fn lookup_local(&self, port: PortId) -> Option<&V> {
-            self.bindings.get(&port)
-        }
-    }
-
-    /// Evaluator frame stack. The final element is the innermost / top frame.
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    pub struct EvalStateStack<V> {
-        frames: Vec<EvalFrame<V>>,
-    }
-
-    impl<V> EvalStateStack<V> {
-        pub fn with_root_frame(frame: EvalFrame<V>) -> Self {
-            Self {
-                frames: vec![frame],
-            }
-        }
-
-        pub fn from_outer_to_inner(frames: Vec<EvalFrame<V>>) -> Self {
-            Self { frames }
-        }
-
-        pub fn push_frame(&mut self, frame: EvalFrame<V>) {
-            self.frames.push(frame);
-        }
-
-        pub fn pop_frame(&mut self) -> Result<EvalFrame<V>, EvalFrameError> {
-            self.frames.pop().ok_or(EvalFrameError::EmptyStateStack)
-        }
-
-        pub fn lookup(&self, port: PortId) -> Result<&V, EvalFrameError> {
-            self.frames
-                .iter()
-                .rev()
-                .find_map(|frame| frame.lookup_local(port))
-                .ok_or(EvalFrameError::UnboundPort { port })
-        }
-
-        pub fn bind_top(&mut self, port: PortId, value: V) -> Result<(), EvalFrameError> {
-            self.frames
-                .last_mut()
-                .ok_or(EvalFrameError::EmptyStateStack)?
-                .bind(port, value)
-        }
-
-        pub fn frames_outer_to_inner(&self) -> &[EvalFrame<V>] {
-            &self.frames
-        }
-    }
-
-    #[cfg(test)]
-    mod tests {
-        use std::collections::HashMap;
-
-        use super::NamedField;
-        use super::{
-            descent_proof_path_key, eval_loop_with_descent_execution_proof, eval_node, eval_port,
-            eval_value, evaluate_body, DescentExecutionProof, DescentResidual, EvalError,
-            EvalFrame, EvalFrameError, EvalStateStack, EvalStrategy, InputEvaluationOrder,
-            NonStrictEvidence, StrictEvidence, Value,
-            BAD_TRANSFORM_CALLABLE_TARGET_NOT_ARROW_REASON,
-        };
-        use crate::compile_to_dag;
-        use crate::dag::{
-            literal_bits_int, ArithmeticOp, ArrowBody, Behavior, BranchPattern, Cluster,
-            ComparisonOp, Dag, DeclarationId, IntraClusterCall, LiteralBits, LogicalOp, LoopBound,
-            MemberDescent, NodeId, NonEmptyList, NonSingletonList, OperatorKind, Path,
-            PayloadBinding, PortId, TransformTarget, TypeConnective,
-        };
-        use crate::diagnostics::SourceSpan;
-
-        fn span() -> SourceSpan {
-            SourceSpan::new("evaluator_frame.unit", 0, 1)
-        }
-
-        fn ports(count: usize) -> Vec<PortId> {
-            let mut dag = Dag::new();
-            (0..count)
-                .map(|i| dag.push_value(literal_bits_int(i as i64), span()))
-                .collect()
-        }
-
-        fn node_for_port(dag: &Dag, port: PortId) -> NodeId {
-            dag.resolve_producer_opt(&port).expect("producer").id()
-        }
-
-        fn descent_loop_fixture(body_value: i64) -> (Dag, crate::dag::LoopNode) {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(0), span());
-            let body_output = dag.push_value(literal_bits_int(body_value), span());
-            let body = node_for_port(&dag, body_output);
-            let bind = dag.push_bind("descent_member", init, vec![source, init], span());
-            let param0 = dag.param_of(bind, 0).expect("param 0");
-            let param1 = dag.param_of(bind, 1).expect("param 1");
-            let transform_output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Sub)),
-                vec![source, init],
-                span(),
-            );
-            let transform = dag
-                .as_transform_ref(node_for_port(&dag, transform_output))
-                .expect("transform ref");
-            let cluster = dag.push_cluster(Cluster {
-                members: NonSingletonList::from_vec(vec![
-                    MemberDescent { param: param0 },
-                    MemberDescent { param: param1 },
-                ])
-                .expect("non-singleton"),
-                intra_cluster_calls: NonEmptyList::from_vec(vec![IntraClusterCall { transform }])
-                    .expect("non-empty"),
-            });
-            let output = dag.push_loop(
-                source,
-                init,
-                body,
-                LoopBound::Descent {
-                    cluster,
-                    measure: source,
-                },
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let loop_node = dag.node(entry).as_loop().expect("loop node").clone();
-            (dag, loop_node)
-        }
-
-        fn empty_state() -> EvalStateStack<Value> {
-            EvalStateStack::with_root_frame(EvalFrame::empty())
-        }
-
-        fn eager_strategy() -> EvalStrategy {
-            EvalStrategy::ApplicativeOrder {
-                input_order: InputEvaluationOrder::LeftFirst,
-            }
-        }
-
-        fn eager_right_first_strategy() -> EvalStrategy {
-            EvalStrategy::ApplicativeOrder {
-                input_order: InputEvaluationOrder::RightFirst,
-            }
-        }
-
-        fn bind_node_id_for_fn(dag: &Dag, fn_name: &str) -> NodeId {
-            let decl = dag
-                .declaration_by_name(fn_name)
-                .unwrap_or_else(|| panic!("missing fn `{fn_name}`"));
-            let TypeConnective::Arrow { body, .. } = &decl.connective else {
-                panic!("`{fn_name}` must be Arrow");
-            };
-            let ArrowBody::UserDefined(bind_id) = body else {
-                panic!("`{fn_name}` must be UserDefined");
-            };
-            bind_id.node_id()
-        }
-
-        fn first_resolved_variant_tag_in_bind_body(dag: &Dag, fn_name: &str) -> DeclarationId {
-            let entry = bind_node_id_for_fn(dag, fn_name);
-            let Behavior::Bind(bind) = dag.node(entry) else {
-                panic!("expected Bind");
-            };
-            let mut stack = vec![bind.value];
-            while let Some(port) = stack.pop() {
-                let Some(producer) = dag.port(port).produced_by else {
-                    continue;
-                };
-                match dag.node(producer) {
-                    Behavior::Branch(branch) => {
-                        for path in &branch.paths {
-                            if let BranchPattern::ResolvedVariant(decl) = &path.pattern {
-                                return *decl;
-                            }
-                        }
-                    }
-                    Behavior::Bind(inner) => stack.push(inner.value),
-                    _ => {}
-                }
-            }
-            panic!("no ResolvedVariant pattern in `{fn_name}` body");
-        }
-
-        fn template_decl_id_for_callable_constructor_in_fn(
-            dag: &Dag,
-            fn_name: &str,
-        ) -> DeclarationId {
-            let entry = bind_node_id_for_fn(dag, fn_name);
-            let Behavior::Bind(bind) = dag.node(entry) else {
-                panic!("expected Bind");
-            };
-            let mut stack = vec![bind.value];
-            while let Some(port) = stack.pop() {
-                let Some(producer) = dag.port(port).produced_by else {
-                    continue;
-                };
-                match dag.node(producer) {
-                    Behavior::Transform(t) => {
-                        if let TransformTarget::Callable(callee) = t.target {
-                            return match &dag.declaration(callee).connective {
-                                TypeConnective::Instantiation { template, .. } => *template,
-                                _ => callee,
-                            };
-                        }
-                    }
-                    Behavior::Bind(inner) => stack.push(inner.value),
-                    _ => {}
-                }
-            }
-            panic!("no TransformTarget::Callable in `{fn_name}` body");
-        }
-
-        #[test]
-        fn e6_g0d_variant_constructor_executes_to_variant_value() {
-            let src = "type MaybeInt = Some { value: Int } | None\n\
-                        fn pack(x: Int) -> MaybeInt = Some { value: x }\n";
-            let dag = compile_to_dag(src, "e6_g0d_variant.v3").expect("compile");
-            let expected_tag = template_decl_id_for_callable_constructor_in_fn(&dag, "pack");
-            let entry = bind_node_id_for_fn(&dag, "pack");
-            let Behavior::Bind(bind) = dag.node(entry) else {
-                panic!("bind");
-            };
-            let x_port = bind.params[0];
-            let frame =
-                EvalFrame::from_bindings([(x_port, Value::LiteralValue(literal_bits_int(42)))])
-                    .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let value = evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("eval");
-            let Value::VariantValue { tag, payload } = value else {
-                panic!("expected VariantValue, got {value:?}");
-            };
-            assert_eq!(tag, expected_tag);
-            let Value::RecordValue(fields) = *payload else {
-                panic!("expected record payload");
-            };
-            assert_eq!(fields.len(), 1);
-            assert_eq!(fields[0].label, "value");
-            assert_eq!(fields[0].value, Value::LiteralValue(literal_bits_int(42)));
-        }
-
-        #[test]
-        fn e6_g0d_record_constructor_preserves_declaration_field_order() {
-            let src = "type R { a: Int, b: Int }\n\
-                        fn mk() -> R = { b: 7, a: 5 }\n";
-            let dag = compile_to_dag(src, "e6_g0d_record.v3").expect("compile");
-            let entry = bind_node_id_for_fn(&dag, "mk");
-            let mut state = empty_state();
-            let value = evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("eval");
-            let Value::RecordValue(fields) = value else {
-                panic!("expected RecordValue, got {value:?}");
-            };
-            assert_eq!(
-                fields,
-                vec![
-                    NamedField {
-                        label: "a".to_string(),
-                        value: Value::LiteralValue(literal_bits_int(5)),
-                    },
-                    NamedField {
-                        label: "b".to_string(),
-                        value: Value::LiteralValue(literal_bits_int(7)),
-                    },
-                ]
-            );
-        }
-
-        #[test]
-        fn e6_g0d_generic_variant_constructor_tag_matches_resolved_variant_pattern() {
-            let src = "type Maybe<T> = Some(T) | None\n\
-                        fn pack_int(x: Int) -> Maybe<Int> = Some(x)\n\
-                        fn probe(x: Int) -> Int = match pack_int(x) { Some(p) => p, None => 0 }\n";
-            let dag = compile_to_dag(src, "e6_g0d_gen_variant.v3").expect("compile");
-            let expected_tag = first_resolved_variant_tag_in_bind_body(&dag, "probe");
-            let entry = bind_node_id_for_fn(&dag, "pack_int");
-            let Behavior::Bind(bind) = dag.node(entry) else {
-                panic!("bind");
-            };
-            let x_port = bind.params[0];
-            let frame =
-                EvalFrame::from_bindings([(x_port, Value::LiteralValue(literal_bits_int(99)))])
-                    .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let value = evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("eval");
-            let Value::VariantValue { tag, payload } = value else {
-                panic!("expected VariantValue");
-            };
-            assert_eq!(
-                tag, expected_tag,
-                "tag must be template variant id (matches BranchPattern::ResolvedVariant), not an anonymous Instantiation id"
-            );
-            assert_eq!(
-                *payload,
-                Value::LiteralValue(literal_bits_int(99)),
-                "positional `Some(T)` payload must be Direct-shaped (infer `PayloadBindingResolution::Direct`), not RecordValue(_0)"
-            );
-        }
-
-        #[test]
-        fn e6_g0d_positional_variant_payload_round_trips_through_direct_binding_arm() {
-            let src = "type Boxed<T> = Box(T) | Empty\n\
-                        fn mk(x: Int) -> Boxed<Int> = Box(x)\n\
-                        fn bump(x: Int) -> Int = match mk(x) { Box(p) => p + 1, Empty => 0 }\n";
-            let dag = compile_to_dag(src, "e6_g0d_positional_direct.v3").expect("compile");
-            let entry = bind_node_id_for_fn(&dag, "bump");
-            let Behavior::Bind(bind) = dag.node(entry) else {
-                panic!("bind");
-            };
-            let x_port = bind.params[0];
-            let frame =
-                EvalFrame::from_bindings([(x_port, Value::LiteralValue(literal_bits_int(5)))])
-                    .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let value = evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("eval");
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(6)));
-        }
-
-        #[test]
-        fn e6_g0d_generic_record_constructor_preserves_template_field_order() {
-            let src = "type PairAB<A, B> { first: A, second: B }\n\
-                        fn mk() -> PairAB<Int, Bool> = { second: true, first: 3 }\n";
-            let dag = compile_to_dag(src, "e6_g0d_gen_record.v3").expect("compile");
-            let entry = bind_node_id_for_fn(&dag, "mk");
-            let mut state = empty_state();
-            let value = evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("eval");
-            let Value::RecordValue(fields) = value else {
-                panic!("expected RecordValue");
-            };
-            assert_eq!(
-                fields,
-                vec![
-                    NamedField {
-                        label: "first".to_string(),
-                        value: Value::LiteralValue(literal_bits_int(3)),
-                    },
-                    NamedField {
-                        label: "second".to_string(),
-                        value: Value::LiteralValue(LiteralBits::Bool(true)),
-                    },
-                ]
-            );
-        }
-
-        #[test]
-        fn e6_g0d_nullary_variant_constructor_empty_record_payload() {
-            let src = "type U = Z | S { n: Int }\n\
-                        fn zed() -> U = Z\n";
-            let dag = compile_to_dag(src, "e6_g0d_nullary.v3").expect("compile");
-            let expected_tag = template_decl_id_for_callable_constructor_in_fn(&dag, "zed");
-            let entry = bind_node_id_for_fn(&dag, "zed");
-            let mut state = empty_state();
-            let value = evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("eval");
-            let Value::VariantValue { tag, payload } = value else {
-                panic!("expected VariantValue");
-            };
-            assert_eq!(tag, expected_tag);
-            let Value::RecordValue(fields) = *payload else {
-                panic!("expected record payload");
-            };
-            assert!(fields.is_empty());
-        }
-
-        #[test]
-        fn e6_g0d_variant_constructor_round_trips_through_branch_match() {
-            let src = "type MaybeInt = Some { value: Int } | None\n\
-                        fn pack(x: Int) -> MaybeInt = Some { value: x }\n\
-                        fn unpack(x: Int) -> Int = match pack(x) { Some { value: v } => v, None => 0 }\n";
-            let dag = compile_to_dag(src, "e6_g0d_roundtrip.v3").expect("compile");
-            let entry = bind_node_id_for_fn(&dag, "unpack");
-            let Behavior::Bind(bind) = dag.node(entry) else {
-                panic!("bind");
-            };
-            let x_port = bind.params[0];
-            let frame =
-                EvalFrame::from_bindings([(x_port, Value::LiteralValue(literal_bits_int(11)))])
-                    .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let value = evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("eval");
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(11)));
-        }
-
-        #[test]
-        fn eval_value_constructs_literal_runtime_value() {
-            let mut dag = Dag::new();
-            let output = dag.push_value(LiteralBits::String("ready".to_string()), span());
-            let value_node = dag
-                .resolve_producer_opt(&output)
-                .and_then(Behavior::as_value)
-                .expect("value producer");
-
-            let value = eval_value(value_node);
-
-            assert_eq!(
-                value,
-                Value::LiteralValue(LiteralBits::String("ready".to_string()))
-            );
-        }
-
-        #[test]
-        fn eval_node_dispatches_value_behavior_to_literal_runtime_value() {
-            let mut dag = Dag::new();
-            let output = dag.push_value(LiteralBits::String("ready".to_string()), span());
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("value evaluates");
-
-            assert_eq!(
-                value,
-                Value::LiteralValue(LiteralBits::String("ready".to_string()))
-            );
-        }
-
-        #[test]
-        fn eval_port_prefers_dag_producer_over_frame_binding() {
-            let mut dag = Dag::new();
-            let port = dag.push_value(literal_bits_int(1), span());
-            let frame = EvalFrame::from_bindings([(
-                port,
-                Value::LiteralValue(LiteralBits::String("shadow".to_string())),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = eval_port(&dag, port, &mut state, &strategy).expect("producer wins");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(1)));
-        }
-
-        #[test]
-        fn eval_port_uses_innermost_frame_binding_for_producerless_port() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let port = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let outer = EvalFrame::from_bindings([(
-                port,
-                Value::LiteralValue(LiteralBits::String("outer".to_string())),
-            )])
-            .expect("outer frame");
-            let inner = EvalFrame::from_bindings([(
-                port,
-                Value::LiteralValue(LiteralBits::String("inner".to_string())),
-            )])
-            .expect("inner frame");
-            let mut state = EvalStateStack::from_outer_to_inner(vec![outer, inner]);
-            let strategy = eager_strategy();
-
-            let value = eval_port(&dag, port, &mut state, &strategy).expect("bound port");
-
-            assert_eq!(
-                value,
-                Value::LiteralValue(LiteralBits::String("inner".to_string()))
-            );
-        }
-
-        #[test]
-        fn eval_port_falls_back_to_producer_value() {
-            let mut dag = Dag::new();
-            let port = dag.push_value(LiteralBits::Bool(true), span());
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-
-            let value = eval_port(&dag, port, &mut state, &strategy).expect("producer value");
-
-            assert_eq!(value, Value::LiteralValue(LiteralBits::Bool(true)));
-        }
-
-        #[test]
-        fn eval_port_reports_unbound_port_when_no_frame_or_producer_resolves() {
-            let mut source = Dag::new();
-            let stale_port = source.push_value(literal_bits_int(1), span());
-            let empty = Dag::new();
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-
-            let err =
-                eval_port(&empty, stale_port, &mut state, &strategy).expect_err("unbound port");
-
-            assert_eq!(err, EvalError::UnboundPort { port: stale_port });
-        }
-
-        #[test]
-        fn eval_port_rejects_frame_binding_for_port_absent_from_dag() {
-            let mut source = Dag::new();
-            let stale_port = source.push_value(literal_bits_int(1), span());
-            let empty = Dag::new();
-            let frame = EvalFrame::from_bindings([(
-                stale_port,
-                Value::LiteralValue(LiteralBits::String("stale".to_string())),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let err =
-                eval_port(&empty, stale_port, &mut state, &strategy).expect_err("unbound port");
-
-            assert_eq!(err, EvalError::UnboundPort { port: stale_port });
-        }
-
-        #[test]
-        fn evaluate_body_delegates_to_eval_node_shell() {
-            let mut dag = Dag::new();
-            let output = dag.push_value(literal_bits_int(8), span());
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let value =
-                evaluate_body(&dag, entry, &mut state, eager_strategy()).expect("value evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(8)));
-        }
-
-        #[test]
-        fn missing_entry_node_fails_closed() {
-            let mut source = Dag::new();
-            let output = source.push_value(literal_bits_int(1), span());
-            let stale_entry = node_for_port(&source, output);
-            let empty = Dag::new();
-            let mut state = empty_state();
-
-            let err = evaluate_body(&empty, stale_entry, &mut state, eager_strategy())
-                .expect_err("missing node");
-
-            assert_eq!(err, EvalError::MissingNode { node: stale_entry });
-        }
-
-        #[test]
-        fn transform_arithmetic_add_evaluates() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(literal_bits_int(1), span());
-            let rhs = dag.push_value(literal_bits_int(2), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("transform evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(3)));
-        }
-
-        #[test]
-        fn transform_arithmetic_sub_evaluates() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(literal_bits_int(10), span());
-            let rhs = dag.push_value(literal_bits_int(3), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Sub)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let value = eval_node(&dag, entry, &mut state, &eager_strategy()).expect("sub");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(7)));
-        }
-
-        #[test]
-        fn transform_right_first_evaluates_inputs_without_reordering_operands() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(literal_bits_int(10), span());
-            let rhs = dag.push_value(literal_bits_int(3), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Sub)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-            let strategy = eager_right_first_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("right-first sub");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(7)));
-        }
-
-        #[test]
-        fn transform_right_first_reports_rightmost_input_error_first() {
-            let mut dag = Dag::new();
-            let lhs = dag.alloc_port(None);
-            let rhs = dag.alloc_port(None);
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-
-            let mut left_first_state = empty_state();
-            let left_first_err = eval_node(&dag, entry, &mut left_first_state, &eager_strategy())
-                .expect_err("left-first should read lhs first");
-            assert_eq!(left_first_err, EvalError::UnboundPort { port: lhs });
-
-            let mut right_first_state = empty_state();
-            let right_first_err = eval_node(
-                &dag,
-                entry,
-                &mut right_first_state,
-                &eager_right_first_strategy(),
-            )
-            .expect_err("right-first should read rhs first");
-            assert_eq!(right_first_err, EvalError::UnboundPort { port: rhs });
-        }
-
-        #[test]
-        fn transform_arithmetic_checked_overflow_fails_closed() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(literal_bits_int(i64::MAX), span());
-            let rhs = dag.push_value(literal_bits_int(1), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err = eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("overflow");
-
-            assert_eq!(
-                err,
-                EvalError::BadTransformOperands {
-                    reason: "integer overflow",
-                }
-            );
-        }
-
-        // PR-E E4: branch helpers — bridge a tag declaration name into the
-        // bootstrap fixture so `Value::VariantValue { tag, .. }` carries an
-        // honest `DeclarationId`, not a hand-rolled stub. The branch
-        // evaluator only does `decl == tag` equality, so any two distinct
-        // real declarations (`Bool` / `Int`) are sufficient as tag stand-ins
-        // without introducing variant-discovery infrastructure that doesn't
-        // belong in this slice.
-        fn declaration_id_by_name(dag: &Dag, name: &str) -> DeclarationId {
-            dag.declaration_by_name(name)
-                .unwrap_or_else(|| panic!("declaration `{name}` missing from fixture"))
-                .id
-        }
-
-        fn variant(tag: DeclarationId, payload: Value) -> Value {
-            Value::VariantValue {
-                tag,
-                payload: Box::new(payload),
-            }
-        }
-
-        // E4 §B.1.3: caller-supplied `VariantValue` scrutinee at the
-        // branch input port matches the path whose `ResolvedVariant.tag`
-        // equals the runtime tag; the body's value is returned.
-        #[test]
-        fn eval_branch_selects_resolved_variant_by_tag() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let some_tag = declaration_id_by_name(&dag, "Bool");
-            let other_tag = declaration_id_by_name(&dag, "Int");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            // Bodies are `Behavior::Value` nodes (E1-supported); Bind /
-            // Transform bodies wait on E3 / E6.
-            let some_arm_output = dag.push_value(literal_bits_int(7), span());
-            let some_arm_body = node_for_port(&dag, some_arm_output);
-            let other_arm_output = dag.push_value(literal_bits_int(13), span());
-            let other_arm_body = node_for_port(&dag, other_arm_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![
-                    Path {
-                        body: some_arm_body,
-                        output: some_arm_output,
-                        pattern: BranchPattern::ResolvedVariant(some_tag),
-                        binding: None,
-                    },
-                    Path {
-                        body: other_arm_body,
-                        output: other_arm_output,
-                        pattern: BranchPattern::ResolvedVariant(other_tag),
-                        binding: None,
-                    },
-                ],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                variant(some_tag, Value::LiteralValue(LiteralBits::Bool(true))),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("branch evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(7)));
-        }
-
-        // E4 Bool alignment: Bool literal scrutinees are reified through
-        // `Dag::bool_runtime_variant_id`, so branch dispatch compares the same
-        // `True` / `False` declaration ids that inference resolved on patterns.
-        #[test]
-        fn eval_branch_reifies_bool_literal_scrutinee_to_disj_variant_id() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let true_tag = dag
-                .bool_runtime_variant_id(true)
-                .expect("Bool.True variant id");
-            let false_tag = dag
-                .bool_runtime_variant_id(false)
-                .expect("Bool.False variant id");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let true_output = dag.push_value(literal_bits_int(1), span());
-            let true_body = node_for_port(&dag, true_output);
-            let false_output = dag.push_value(literal_bits_int(0), span());
-            let false_body = node_for_port(&dag, false_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![
-                    Path {
-                        body: true_body,
-                        output: true_output,
-                        pattern: BranchPattern::ResolvedVariant(true_tag),
-                        binding: None,
-                    },
-                    Path {
-                        body: false_body,
-                        output: false_output,
-                        pattern: BranchPattern::ResolvedVariant(false_tag),
-                        binding: None,
-                    },
-                ],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                Value::LiteralValue(LiteralBits::Bool(true)),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("branch evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(1)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_branch_reifies_true_bool_literal_scrutinee_to_true_arm() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let true_tag = dag
-                .bool_runtime_variant_id(true)
-                .expect("Bool.True variant id");
-            let false_tag = dag
-                .bool_runtime_variant_id(false)
-                .expect("Bool.False variant id");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let true_output = dag.push_value(literal_bits_int(11), span());
-            let true_body = node_for_port(&dag, true_output);
-            let false_output = dag.push_value(literal_bits_int(22), span());
-            let false_body = node_for_port(&dag, false_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![
-                    Path {
-                        body: true_body,
-                        output: true_output,
-                        pattern: BranchPattern::ResolvedVariant(true_tag),
-                        binding: None,
-                    },
-                    Path {
-                        body: false_body,
-                        output: false_output,
-                        pattern: BranchPattern::ResolvedVariant(false_tag),
-                        binding: None,
-                    },
-                ],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                Value::LiteralValue(LiteralBits::Bool(true)),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("branch evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(11)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_branch_reifies_false_bool_literal_scrutinee_to_false_arm() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let true_tag = dag
-                .bool_runtime_variant_id(true)
-                .expect("Bool.True variant id");
-            let false_tag = dag
-                .bool_runtime_variant_id(false)
-                .expect("Bool.False variant id");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let true_output = dag.push_value(literal_bits_int(1), span());
-            let true_body = node_for_port(&dag, true_output);
-            let false_output = dag.push_value(literal_bits_int(0), span());
-            let false_body = node_for_port(&dag, false_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![
-                    Path {
-                        body: true_body,
-                        output: true_output,
-                        pattern: BranchPattern::ResolvedVariant(true_tag),
-                        binding: None,
-                    },
-                    Path {
-                        body: false_body,
-                        output: false_output,
-                        pattern: BranchPattern::ResolvedVariant(false_tag),
-                        binding: None,
-                    },
-                ],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                Value::LiteralValue(LiteralBits::Bool(false)),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("branch evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(0)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_branch_fails_closed_when_bool_reification_authority_is_missing() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let true_tag = dag
-                .bool_runtime_variant_id(true)
-                .expect("Bool.True variant id");
-            let bool_decl = dag
-                .declaration_by_name("Bool")
-                .expect("Bool declaration")
-                .id;
-            dag.declaration_mut(bool_decl).name = Some("TruthValue".to_string());
-
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let arm_output = dag.push_value(literal_bits_int(1), span());
-            let arm_body = node_for_port(&dag, arm_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::ResolvedVariant(true_tag),
-                    binding: None,
-                }],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                Value::LiteralValue(LiteralBits::Bool(true)),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let err = eval_node(&dag, entry, &mut state, &strategy)
-                .expect_err("missing Bool reification authority rejected");
-
-            assert_eq!(err, EvalError::BranchScrutineeShape { node: entry });
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // E4 §B.1.3: payload binding registers on the freshly-pushed
-        // frame and does not leak past `pop_frame`. Bodies that *read*
-        // the bound payload (Bind / Transform forms) wait on E3 / E6;
-        // this test verifies the frame-discipline scaffolding the body
-        // would observe by checking pre/post stack state through a
-        // shadow-port outer binding that the inner frame's lookup chain
-        // walks past.
-        #[test]
-        fn eval_branch_binds_payload_in_fresh_frame_for_body() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let some_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let payload_port = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            // Body returns a literal — verifies the path body is
-            // dispatched through `eval_node` after the frame push and
-            // payload bind. Bodies that consume the payload via
-            // `eval_port` wait on E3 / E6 supporting Bind / Transform.
-            let arm_output = dag.push_value(literal_bits_int(0), span());
-            let arm_body = node_for_port(&dag, arm_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::ResolvedVariant(some_tag),
-                    binding: Some(PayloadBinding {
-                        binding_name: "p".to_string(),
-                        payload_port,
-                    }),
-                }],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                variant(
-                    some_tag,
-                    Value::LiteralValue(LiteralBits::String("hello".to_string())),
-                ),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("branch evaluates");
-
-            // Body is a literal; the test's primary assertion is the
-            // post-evaluation frame discipline below. (Body return value
-            // is the literal, confirming `eval_node` dispatched into the
-            // path body.)
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(0)));
-            // After branch evaluation, the pushed frame is popped; only
-            // the original root frame remains, which never bound the
-            // payload port. Per Facts-Flow-Forward, the payload binding
-            // was scoped to the body frame and does not leak into the
-            // caller's stack.
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-            assert!(state.frames_outer_to_inner()[0]
-                .lookup_local(payload_port)
-                .is_none());
-        }
-
-        // E4 §B.1.3 fail-closed: `UnresolvedVariant` reaching evaluation
-        // is a resolution gap, not a runtime case — diagnose the path's
-        // declared name so a downstream consumer can repoint.
-        #[test]
-        fn eval_branch_fails_closed_on_unresolved_variant() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let some_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let arm_output = dag.push_value(literal_bits_int(1), span());
-            let arm_body = node_for_port(&dag, arm_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Drift".to_string(),
-                        span: span(),
-                    },
-                    binding: None,
-                }],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                variant(some_tag, Value::LiteralValue(LiteralBits::Bool(true))),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let err = eval_node(&dag, entry, &mut state, &strategy)
-                .expect_err("unresolved variant rejected");
-
-            assert_eq!(
-                err,
-                EvalError::BranchUnresolvedVariant {
-                    node: entry,
-                    name: "Drift".to_string(),
-                }
-            );
-            // Stack invariant: balanced even on the diagnostic path.
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // E4 §B.1.3 fail-closed: scrutinee must be `VariantValue` for
-        // `ResolvedVariant` matching to be well-defined.
-        #[test]
-        fn eval_branch_fails_closed_on_non_variant_scrutinee() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let some_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let arm_output = dag.push_value(literal_bits_int(1), span());
-            let arm_body = node_for_port(&dag, arm_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::ResolvedVariant(some_tag),
-                    binding: None,
-                }],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame =
-                EvalFrame::from_bindings([(scrutinee, Value::LiteralValue(literal_bits_int(42)))])
-                    .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let err = eval_node(&dag, entry, &mut state, &strategy)
-                .expect_err("non-variant scrutinee rejected");
-
-            assert_eq!(err, EvalError::BranchScrutineeShape { node: entry });
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // E4 §B.1.3 fail-closed: scrutinee tag with no matching path is
-        // an inference / substrate invariant violation at runtime.
-        #[test]
-        fn eval_branch_fails_closed_on_no_matching_arm() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let path_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee_tag = declaration_id_by_name(&dag, "Int");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let arm_output = dag.push_value(literal_bits_int(1), span());
-            let arm_body = node_for_port(&dag, arm_output);
-            let output = dag.push_branch(
-                scrutinee,
-                // Only the `path_tag` (`Bool`) arm; scrutinee carries
-                // `scrutinee_tag` (`Int`) so no path matches and the
-                // evaluator must fail closed on no-matching-arm.
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::ResolvedVariant(path_tag),
-                    binding: None,
-                }],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                variant(scrutinee_tag, Value::LiteralValue(LiteralBits::Bool(false))),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let err = eval_node(&dag, entry, &mut state, &strategy)
-                .expect_err("no matching arm rejected");
-
-            assert_eq!(
-                err,
-                EvalError::BranchNoMatchingArm {
-                    node: entry,
-                    tag: scrutinee_tag,
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // E4 sanity: reachable through the public `evaluate_body` entry.
-        #[test]
-        fn evaluate_body_dispatches_branch_through_eval_node() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let some_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let arm_output = dag.push_value(literal_bits_int(99), span());
-            let arm_body = node_for_port(&dag, arm_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::ResolvedVariant(some_tag),
-                    binding: None,
-                }],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                variant(some_tag, Value::LiteralValue(LiteralBits::Bool(true))),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = evaluate_body(&dag, entry, &mut state, strategy).expect("branch evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(99)));
-        }
-
-        // E4 / Facts-Flow-Forward: the arm value is the value at
-        // `BranchPath.output`, not the body's local return. When
-        // `path.output` is a payload-bound port (the arm "returns its
-        // payload"), the evaluator must read that port via `eval_port`
-        // after running the body for its side effects, not return the
-        // body node's own value. Constructed so the body is a Value
-        // node returning a *different* literal than the payload — if
-        // the evaluator returned the body's value the test would see
-        // the wrong literal.
-        #[test]
-        fn eval_branch_returns_value_at_path_output_not_body_value() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let some_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let payload_port = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            // Body returns a sentinel literal; if the evaluator wrongly
-            // returned this directly, the test would fail.
-            let body_output = dag.push_value(literal_bits_int(0xdead), span());
-            let arm_body = node_for_port(&dag, body_output);
-            let payload_value = Value::LiteralValue(literal_bits_int(7));
-            let output = dag.push_branch(
-                scrutinee,
-                vec![Path {
-                    body: arm_body,
-                    // Authoritative arm value comes from `payload_port`,
-                    // not from `body_output`.
-                    output: payload_port,
-                    pattern: BranchPattern::ResolvedVariant(some_tag),
-                    binding: Some(PayloadBinding {
-                        binding_name: "p".to_string(),
-                        payload_port,
-                    }),
-                }],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame =
-                EvalFrame::from_bindings([(scrutinee, variant(some_tag, payload_value.clone()))])
-                    .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("branch evaluates");
-
-            assert_eq!(value, payload_value);
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // E4 / Facts-Flow-Forward: producerless-arm sentinel.
-        // `lower.rs:6133-6134, 6265` lowers arms whose result port has
-        // no producer node by setting `path.body == branch.id` —
-        // there's no body to execute; the value is at `path.output`
-        // already (e.g. payload-bound or an existing port from outside
-        // the branch). `eval_branch` must detect this sentinel and
-        // skip body evaluation, otherwise it would re-enter
-        // `eval_branch` on the same node and either loop or drop the
-        // authoritative `path.output` fact. Constructed via
-        // crate-private `alloc_node_id` / `push_node` so `path.body`
-        // can equal the branch's own id (the public `push_branch`
-        // builder asserts body existence before allocating its id, so
-        // it cannot construct this sentinel directly).
-        #[test]
-        fn eval_branch_handles_producerless_arm_sentinel() {
-            use crate::dag::BranchNode;
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let some_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let payload_port = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            // Manual branch construction so `path.body == branch_id`,
-            // mirroring the `producer_of(...).unwrap_or(branch_id)`
-            // sentinel from `lower.rs`.
-            let branch_id = dag.alloc_node_id();
-            let branch_output = dag.alloc_port(Some(branch_id));
-            dag.push_node(Behavior::Branch(BranchNode {
-                id: branch_id,
-                input: scrutinee,
-                paths: vec![Path {
-                    body: branch_id, // sentinel: no producer for the arm result
-                    output: payload_port,
-                    pattern: BranchPattern::ResolvedVariant(some_tag),
-                    binding: Some(PayloadBinding {
-                        binding_name: "p".to_string(),
-                        payload_port,
-                    }),
-                }],
-                output: branch_output,
-                span: span(),
-                emit_participation: None,
-            }));
-            let payload_value = Value::LiteralValue(literal_bits_int(42));
-            let frame =
-                EvalFrame::from_bindings([(scrutinee, variant(some_tag, payload_value.clone()))])
-                    .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            // If eval_branch recursed into eval_node(branch_id), it would
-            // re-enter the same Branch infinitely; the test passing at
-            // all confirms the sentinel detection.
-            let value =
-                eval_node(&dag, branch_id, &mut state, &strategy).expect("branch evaluates");
-
-            assert_eq!(value, payload_value);
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // E4 §B.1.3 fail-closed: every `BranchPath.pattern` must be
-        // `ResolvedVariant` before evaluation proceeds. A matching
-        // early arm cannot mask a later `UnresolvedVariant` —
-        // unresolved-substrate state is a Fail-Closed (C-8) violation
-        // regardless of which arm would have been selected.
-        #[test]
-        fn eval_branch_fails_closed_on_late_unresolved_arm_even_if_earlier_arm_matches() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let matching_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let early_output = dag.push_value(literal_bits_int(7), span());
-            let early_body = node_for_port(&dag, early_output);
-            let late_output = dag.push_value(literal_bits_int(13), span());
-            let late_body = node_for_port(&dag, late_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![
-                    // Early arm matches the scrutinee tag — without the
-                    // pre-pass this would be returned and the late
-                    // unresolved arm would slip through.
-                    Path {
-                        body: early_body,
-                        output: early_output,
-                        pattern: BranchPattern::ResolvedVariant(matching_tag),
-                        binding: None,
-                    },
-                    Path {
-                        body: late_body,
-                        output: late_output,
-                        pattern: BranchPattern::UnresolvedVariant {
-                            name: "LateDrift".to_string(),
-                            span: span(),
-                        },
-                        binding: None,
-                    },
-                ],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                variant(matching_tag, Value::LiteralValue(LiteralBits::Bool(true))),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let err = eval_node(&dag, entry, &mut state, &strategy)
-                .expect_err("late unresolved arm rejected");
-
-            assert_eq!(
-                err,
-                EvalError::BranchUnresolvedVariant {
-                    node: entry,
-                    name: "LateDrift".to_string(),
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // Wrong-sum `UnresolvedVariant` labels exist on *some* `Disj` in the fixture DAG but not on
-        // the scrutinee's owning sum. Without scrutinee-scoped validation, `any_disj` acceptance
-        // lets them pass the pre-pass while an earlier arm matches — masking the substrate gap.
-        #[test]
-        fn eval_branch_fails_closed_on_wrong_sum_unresolved_arm_masked_by_earlier_match() {
-            let mut dag = Dag::std_fixture_bootstrap_snapshot();
-            let matching_tag = declaration_id_by_name(&dag, "Bool");
-            let scrutinee = dag.alloc_port_with_shape(dag.bool_shape().expect("Bool shape"));
-            let early_output = dag.push_value(LiteralBits::Int("7".to_string()), span());
-            let early_body = node_for_port(&dag, early_output);
-            let late_output = dag.push_value(LiteralBits::Int("13".to_string()), span());
-            let late_body = node_for_port(&dag, late_output);
-            let output = dag.push_branch(
-                scrutinee,
-                vec![
-                    Path {
-                        body: early_body,
-                        output: early_output,
-                        pattern: BranchPattern::ResolvedVariant(matching_tag),
-                        binding: None,
-                    },
-                    Path {
-                        body: late_body,
-                        output: late_output,
-                        pattern: BranchPattern::UnresolvedVariant {
-                            name: "Empty".to_string(),
-                            span: span(),
-                        },
-                        binding: None,
-                    },
-                ],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let frame = EvalFrame::from_bindings([(
-                scrutinee,
-                variant(matching_tag, Value::LiteralValue(LiteralBits::Bool(true))),
-            )])
-            .expect("frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let strategy = eager_strategy();
-
-            let err = eval_node(&dag, entry, &mut state, &strategy)
-                .expect_err("wrong-sum unresolved arm rejected");
-
-            assert_eq!(
-                err,
-                EvalError::BranchUnresolvedVariant {
-                    node: entry,
-                    name: "Empty".to_string(),
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_zero_iterations_returns_init_without_body_eval() {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(9), span());
-            let zero = dag.push_value(literal_bits_int(0), span());
-            let one = dag.push_value(literal_bits_int(1), span());
-            let bad_body_output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Div)),
-                vec![source, one],
-                span(),
-            );
-            let bad_body = node_for_port(&dag, bad_body_output);
-            let output = dag.push_loop(
-                source,
-                init,
-                bad_body,
-                LoopBound::Cardinality { count: zero },
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-
-            let value = eval_node(&dag, entry, &mut state, &strategy).expect("zero loop");
-
-            assert_eq!(
-                value,
-                Value::LiteralValue(literal_bits_int(9)),
-                "zero iterations must not evaluate the unsupported body"
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_cardinality_threads_accumulator_through_body() {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(0), span());
-            let count = dag.push_value(literal_bits_int(3), span());
-            let one = dag.push_value(literal_bits_int(1), span());
-            let body_output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![source, one],
-                span(),
-            );
-            let body = node_for_port(&dag, body_output);
-            let output =
-                dag.push_loop(source, init, body, LoopBound::Cardinality { count }, span());
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let value =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect("loop evaluates");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(3)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-            assert_eq!(
-                state.lookup(source),
-                Err(EvalFrameError::UnboundPort { port: source }),
-                "iteration accumulator binding must not leak"
-            );
-        }
-
-        #[test]
-        fn eval_loop_cardinality_missing_count_fails_closed() {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(0), span());
-            let missing_count = dag.alloc_port(None);
-            let body_output = dag.push_value(literal_bits_int(1), span());
-            let body = node_for_port(&dag, body_output);
-            let output = dag.push_loop(
-                source,
-                init,
-                body,
-                LoopBound::Cardinality {
-                    count: missing_count,
-                },
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("missing count");
-
-            assert_eq!(
-                err,
-                EvalError::UnboundPort {
-                    port: missing_count
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_cardinality_non_integer_count_fails_closed() {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(0), span());
-            let count = dag.push_value(LiteralBits::String("three".to_string()), span());
-            let body_output = dag.push_value(literal_bits_int(1), span());
-            let body = node_for_port(&dag, body_output);
-            let output =
-                dag.push_loop(source, init, body, LoopBound::Cardinality { count }, span());
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err = eval_node(&dag, entry, &mut state, &eager_strategy())
-                .expect_err("non-integer count");
-
-            assert_eq!(
-                err,
-                EvalError::LoopCardinalityNonInteger { node: entry, count }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_cardinality_negative_count_fails_closed() {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(0), span());
-            let count = dag.push_value(literal_bits_int(-1), span());
-            let body_output = dag.push_value(literal_bits_int(1), span());
-            let body = node_for_port(&dag, body_output);
-            let output =
-                dag.push_loop(source, init, body, LoopBound::Cardinality { count }, span());
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("negative count");
-
-            assert_eq!(
-                err,
-                EvalError::LoopCardinalityNegative {
-                    node: entry,
-                    count,
-                    value: -1,
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[cfg(target_pointer_width = "32")]
-        #[test]
-        fn eval_loop_cardinality_count_too_large_for_usize_fails_closed() {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(0), span());
-            let too_large = i64::from(u32::MAX) + 1;
-            let count = dag.push_value(literal_bits_int(too_large), span());
-            let body_output = dag.push_value(literal_bits_int(1), span());
-            let body = node_for_port(&dag, body_output);
-            let output =
-                dag.push_loop(source, init, body, LoopBound::Cardinality { count }, span());
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("count too large");
-
-            assert_eq!(
-                err,
-                EvalError::LoopCardinalityTooLarge {
-                    node: entry,
-                    count,
-                    value: too_large,
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_descent_bound_with_strict_per_path_proof_succeeds() {
-            let (dag, loop_node) = descent_loop_fixture(7);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-            let LoopBound::Descent { cluster, measure } = loop_node.bound else {
-                panic!("descent bound");
-            };
-
-            let value = eval_loop_with_descent_execution_proof(
-                &dag,
-                loop_node,
-                &mut state,
-                &strategy,
-                |_, proof_cluster, proof_measure| {
-                    assert_eq!(proof_cluster, cluster);
-                    assert_eq!(proof_measure, measure);
-                    Ok(DescentExecutionProof {
-                        cluster: proof_cluster,
-                        port: proof_measure,
-                        per_path: HashMap::from([(
-                            descent_proof_path_key(
-                                dag.cluster(cluster).intra_cluster_calls.first.transform,
-                            ),
-                            StrictEvidence::Strict,
-                        )]),
-                    })
-                },
-            )
-            .expect("strict descent proof discharges loop bound");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(7)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-            assert_eq!(
-                state.lookup(measure),
-                Err(EvalFrameError::UnboundPort { port: measure }),
-                "descent iteration binding must not leak"
-            );
-        }
-
-        #[test]
-        fn eval_loop_descent_bound_incomplete_per_path_coverage_fails_closed() {
-            let (dag, loop_node) = descent_loop_fixture(1);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-            let node = loop_node.id;
-            let LoopBound::Descent { cluster, measure } = loop_node.bound else {
-                panic!("descent bound");
-            };
-
-            let err = eval_loop_with_descent_execution_proof(
-                &dag,
-                loop_node,
-                &mut state,
-                &strategy,
-                |_, proof_cluster, proof_measure| {
-                    Ok(DescentExecutionProof {
-                        cluster: proof_cluster,
-                        port: proof_measure,
-                        per_path: HashMap::new(),
-                    })
-                },
-            )
-            .expect_err("missing intra-cluster call coverage fails closed");
-
-            assert_eq!(
-                err,
-                EvalError::LoopBoundDescentResidual {
-                    node,
-                    cluster,
-                    measure,
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_descent_bound_evidence_incomplete_fails_closed() {
-            let (dag, loop_node) = descent_loop_fixture(1);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-            let node = loop_node.id;
-            let LoopBound::Descent { cluster, measure } = loop_node.bound else {
-                panic!("descent bound");
-            };
-
-            let err = eval_loop_with_descent_execution_proof(
-                &dag,
-                loop_node,
-                &mut state,
-                &strategy,
-                |_, _, _| Err(DescentResidual::EvidenceIncomplete),
-            )
-            .expect_err("incomplete descent proof fails closed");
-
-            assert_eq!(
-                err,
-                EvalError::LoopBoundDescentResidual {
-                    node,
-                    cluster,
-                    measure,
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_descent_bound_evidence_unknown_non_increasing_fails_closed() {
-            let (dag, loop_node) = descent_loop_fixture(1);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-            let node = loop_node.id;
-            let LoopBound::Descent { cluster, measure } = loop_node.bound else {
-                panic!("descent bound");
-            };
-
-            let err = eval_loop_with_descent_execution_proof(
-                &dag,
-                loop_node,
-                &mut state,
-                &strategy,
-                |_, _, _| {
-                    Err(DescentResidual::EvidenceUnknown(
-                        NonStrictEvidence::NonIncreasing,
-                    ))
-                },
-            )
-            .expect_err("non-increasing descent proof fails closed");
-
-            assert_eq!(
-                err,
-                EvalError::LoopBoundDescentResidual {
-                    node,
-                    cluster,
-                    measure,
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_descent_bound_evidence_unknown_descent_unknown_fails_closed() {
-            let (dag, loop_node) = descent_loop_fixture(1);
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-            let node = loop_node.id;
-            let LoopBound::Descent { cluster, measure } = loop_node.bound else {
-                panic!("descent bound");
-            };
-
-            let err = eval_loop_with_descent_execution_proof(
-                &dag,
-                loop_node,
-                &mut state,
-                &strategy,
-                |_, _, _| {
-                    Err(DescentResidual::EvidenceUnknown(
-                        NonStrictEvidence::DescentUnknown,
-                    ))
-                },
-            )
-            .expect_err("unknown descent proof fails closed");
-
-            assert_eq!(
-                err,
-                EvalError::LoopBoundDescentResidual {
-                    node,
-                    cluster,
-                    measure,
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_loop_restores_stack_after_body_diagnostic() {
-            let mut dag = Dag::new();
-            let source = dag.alloc_port(None);
-            let init = dag.push_value(literal_bits_int(0), span());
-            let count = dag.push_value(literal_bits_int(1), span());
-            let one = dag.push_value(literal_bits_int(1), span());
-            let bad_body_output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Div)),
-                vec![source, one],
-                span(),
-            );
-            let bad_body = node_for_port(&dag, bad_body_output);
-            let output = dag.push_loop(
-                source,
-                init,
-                bad_body,
-                LoopBound::Cardinality { count },
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("body diagnostic");
-
-            assert_eq!(
-                err,
-                EvalError::UnsupportedTransformTarget {
-                    kind: "ArithmeticDiv",
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-            assert_eq!(
-                state.lookup(source),
-                Err(EvalFrameError::UnboundPort { port: source }),
-                "failed iteration frame must be popped"
-            );
-        }
-
-        // E3 Transform — preserved from main during merge.
-
-        #[test]
-        fn transform_arithmetic_div_unsupported_until_result_carrier_eval_lands() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(literal_bits_int(8), span());
-            let rhs = dag.push_value(literal_bits_int(2), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Div)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err = eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("div");
-
-            assert_eq!(
-                err,
-                EvalError::UnsupportedTransformTarget {
-                    kind: "ArithmeticDiv",
-                }
-            );
-        }
-
-        #[test]
-        fn transform_comparison_int_evaluates() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(literal_bits_int(2), span());
-            let rhs = dag.push_value(literal_bits_int(3), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Lt)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let value = eval_node(&dag, entry, &mut state, &eager_strategy()).expect("cmp");
-
-            assert_eq!(value, Value::LiteralValue(LiteralBits::Bool(true)));
-        }
-
-        #[test]
-        fn transform_comparison_bool_matches_rust_total_order() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(LiteralBits::Bool(false), span());
-            let rhs = dag.push_value(LiteralBits::Bool(true), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Lt)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let value = eval_node(&dag, entry, &mut state, &eager_strategy()).expect("bool lt");
-
-            assert_eq!(value, Value::LiteralValue(LiteralBits::Bool(true)));
-        }
-
-        #[test]
-        fn transform_logical_operator_evaluates_bool_literals() {
-            let mut dag = Dag::new();
-            let lhs = dag.push_value(LiteralBits::Bool(true), span());
-            let rhs = dag.push_value(LiteralBits::Bool(false), span());
-            let output = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-                vec![lhs, rhs],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let value = eval_node(&dag, entry, &mut state, &eager_strategy()).expect("logical");
-
-            assert_eq!(value, Value::LiteralValue(LiteralBits::Bool(false)));
-        }
-
-        #[test]
-        fn transform_field_project_non_record_carrier_fails_closed() {
-            // E6-G0c: FieldProject now executes; non-record carrier must
-            // fail closed with a typed BadTransformOperands rather than
-            // returning an unrelated value.
-            let mut dag = Dag::new();
-            let v = dag.push_value(literal_bits_int(1), span());
-            let output = dag.push_transform(
-                TransformTarget::UnresolvedFieldProject {
-                    field_label: "x".to_string(),
-                },
-                vec![v],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err = eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("project");
-
-            assert_eq!(
-                err,
-                EvalError::BadTransformOperands {
-                    reason: "FieldProject carrier must be a RecordValue",
-                }
-            );
-        }
-
-        #[test]
-        fn transform_callable_non_arrow_decl_fails_closed() {
-            // E6-G0c: Callable now executes for Arrow-bodied user
-            // functions; a non-Arrow declaration (e.g., Bool's Disj
-            // connective) must fail closed with a typed
-            // BadTransformOperands rather than the prior blanket
-            // UnsupportedTransformTarget.
-            let mut dag = Dag::new();
-            let target_decl = dag.declaration_by_name("Bool").expect("Bool").id;
-            let output = dag.push_transform(TransformTarget::Callable(target_decl), vec![], span());
-            let entry = node_for_port(&dag, output);
-            let mut state = empty_state();
-
-            let err = eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("callable");
-
-            assert_eq!(
-                err,
-                EvalError::BadTransformOperands {
-                    reason: BAD_TRANSFORM_CALLABLE_TARGET_NOT_ARROW_REASON,
-                }
-            );
-        }
-
-        #[test]
-        fn eval_bind_value_binding_returns_body_port_value() {
-            let mut dag = Dag::new();
-            let value = dag.push_value(LiteralBits::Bool(false), span());
-            let entry = dag.push_bind("flag", value, Vec::new(), span());
-            let mut state = empty_state();
-            let strategy = eager_strategy();
-
-            let out = eval_node(&dag, entry, &mut state, &strategy).expect("bind evaluates");
-
-            assert_eq!(out, Value::LiteralValue(LiteralBits::Bool(false)));
-            assert!(matches!(dag.node(entry), Behavior::Bind(_)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_bind_copies_callable_param_into_fresh_frame_for_body() {
-            let mut dag = Dag::new();
-            let param = dag.alloc_port(None);
-            let one = dag.push_value(literal_bits_int(1), span());
-            let body = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![param, one],
-                span(),
-            );
-            let entry = dag.push_bind("increment", body, vec![param], span());
-            let caller =
-                EvalFrame::from_bindings([(param, Value::LiteralValue(literal_bits_int(41)))])
-                    .expect("caller frame");
-            let mut state = EvalStateStack::with_root_frame(caller);
-
-            let out = eval_node(&dag, entry, &mut state, &eager_strategy())
-                .expect("callable bind evaluates");
-
-            assert_eq!(out, Value::LiteralValue(literal_bits_int(42)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-            assert_eq!(
-                state.lookup(param),
-                Ok(&Value::LiteralValue(literal_bits_int(41))),
-                "caller binding remains in the outer frame"
-            );
-        }
-
-        #[test]
-        fn eval_bind_body_result_can_be_parameter_port() {
-            let mut dag = Dag::new();
-            let param = dag.alloc_port(None);
-            let entry = dag.push_bind("identity", param, vec![param], span());
-            let caller = EvalFrame::from_bindings([(
-                param,
-                Value::LiteralValue(LiteralBits::String("arg".to_string())),
-            )])
-            .expect("caller frame");
-            let mut state = EvalStateStack::with_root_frame(caller);
-
-            let out = eval_node(&dag, entry, &mut state, &eager_strategy()).expect("identity bind");
-
-            assert_eq!(
-                out,
-                Value::LiteralValue(LiteralBits::String("arg".to_string()))
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_bind_duplicate_param_fails_closed_and_restores_stack() {
-            let mut dag = Dag::new();
-            let param = dag.alloc_port(None);
-            let entry = dag.push_bind("dup", param, vec![param, param], span());
-            let caller =
-                EvalFrame::from_bindings([(param, Value::LiteralValue(literal_bits_int(1)))])
-                    .expect("caller frame");
-            let mut state = EvalStateStack::with_root_frame(caller);
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("duplicate param");
-
-            assert_eq!(
-                err,
-                EvalError::FrameError(EvalFrameError::DuplicateBinding { port: param })
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        // ---- E6-G0c: Callable / FieldProject execution ----
-
-        fn alloc_arrow_decl_with_bind(
-            dag: &mut Dag,
-            bind_node: NodeId,
-            arity: usize,
-        ) -> DeclarationId {
-            // Wrap an existing Bind body in an Arrow declaration so the
-            // evaluator's Callable arm can find it via
-            // `dag.declaration(decl).connective`. `arity` matches the
-            // bind's parameter count; `inputs` holds `arity` Int decls
-            // so the builder's `callable_runtime_arity` agrees with the
-            // operand count at the call site.
-            let int_decl = dag.int_shape().expect("Int decl in bootstrap").declaration;
-            let bind_id =
-                crate::dag::BindNodeId::from_bind_node(dag, bind_node).expect("bind node id");
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(crate::dag::Declaration {
-                id,
-                name: Some("user_callable".to_string()),
-                connective: crate::dag::TypeConnective::Arrow {
-                    inputs: vec![int_decl; arity],
-                    output: int_decl,
-                    body: crate::dag::ArrowBody::UserDefined(bind_id),
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span(),
-            });
-            id
-        }
-
-        #[test]
-        fn transform_field_project_returns_named_field_value() {
-            // Lift the RecordValue carrier directly into the caller frame
-            // — the FieldProject arm reads from the projected carrier's
-            // Value shape, not from a Record-lowering port path.
-            let mut dag = Dag::new();
-            let carrier_port = dag.alloc_port(None);
-            let carrier_value = Value::RecordValue(vec![
-                crate::evaluator::NamedField {
-                    label: "x".to_string(),
-                    value: Value::LiteralValue(literal_bits_int(7)),
-                },
-                crate::evaluator::NamedField {
-                    label: "y".to_string(),
-                    value: Value::LiteralValue(literal_bits_int(11)),
-                },
-            ]);
-            let frame =
-                EvalFrame::from_bindings([(carrier_port, carrier_value)]).expect("caller frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let output = dag.push_transform(
-                TransformTarget::UnresolvedFieldProject {
-                    field_label: "y".to_string(),
-                },
-                vec![carrier_port],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-
-            let value = eval_node(&dag, entry, &mut state, &eager_strategy()).expect("y projects");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(11)));
-        }
-
-        #[test]
-        fn transform_field_project_missing_label_fails_closed() {
-            let mut dag = Dag::new();
-            let carrier_port = dag.alloc_port(None);
-            let carrier_value = Value::RecordValue(vec![crate::evaluator::NamedField {
-                label: "only".to_string(),
-                value: Value::LiteralValue(literal_bits_int(1)),
-            }]);
-            let frame =
-                EvalFrame::from_bindings([(carrier_port, carrier_value)]).expect("caller frame");
-            let mut state = EvalStateStack::with_root_frame(frame);
-            let output = dag.push_transform(
-                TransformTarget::UnresolvedFieldProject {
-                    field_label: "missing".to_string(),
-                },
-                vec![carrier_port],
-                span(),
-            );
-            let entry = node_for_port(&dag, output);
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("missing label");
-
-            assert_eq!(
-                err,
-                EvalError::BadTransformOperands {
-                    reason: "FieldProject label not present on RecordValue carrier",
-                }
-            );
-        }
-
-        // (FieldProject / Callable arity mismatches are unrepresentable
-        // at construction: `Dag::push_transform`'s builder asserts arity
-        // matches `field_child`/`callable_runtime_arity`. The runtime
-        // arity guards in the evaluator are defense-in-depth for future
-        // builders that bypass that assertion; they are not exercisable
-        // through the standard construction path. No runtime-only arity
-        // tests here.)
-
-        #[test]
-        fn transform_callable_executes_user_function_body() {
-            // E6-G0c positive: build `fn user_callable(n) = n + n` as an
-            // Arrow declaration with UserDefined body. Invoke through
-            // TransformTarget::Callable with operand 21; expect 42.
-            let mut dag = Dag::new();
-            let param = dag.alloc_port(None);
-            let two_n = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![param, param],
-                span(),
-            );
-            let bind_node = dag.push_bind("user_callable", two_n, vec![param], span());
-            let callee_decl = alloc_arrow_decl_with_bind(&mut dag, bind_node, /* arity */ 1);
-            let twenty_one = dag.push_value(literal_bits_int(21), span());
-            let call_output = dag.push_transform(
-                TransformTarget::Callable(callee_decl),
-                vec![twenty_one],
-                span(),
-            );
-            let entry = node_for_port(&dag, call_output);
-            let mut state = empty_state();
-
-            let value =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect("user callable");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(42)));
-            assert_eq!(state.frames_outer_to_inner().len(), 1, "frame popped");
-        }
-
-        #[test]
-        fn transform_callable_evaluates_inputs_left_to_right() {
-            // Build `fn sub(a, b) = a - b` and invoke `sub(10, 3)` →
-            // expect 7. The argument-evaluation order is left-to-right;
-            // Sub is non-commutative, so a swap would surface a swap to
-            // -7. Pinning the orientation is enough for a left-first
-            // ordering check at this layer.
-            let mut dag = Dag::new();
-            let a = dag.alloc_port(None);
-            let b = dag.alloc_port(None);
-            let body = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Sub)),
-                vec![a, b],
-                span(),
-            );
-            let bind_node = dag.push_bind("sub", body, vec![a, b], span());
-            let callee_decl = alloc_arrow_decl_with_bind(&mut dag, bind_node, /* arity */ 2);
-            let ten = dag.push_value(literal_bits_int(10), span());
-            let three = dag.push_value(literal_bits_int(3), span());
-            let call_output = dag.push_transform(
-                TransformTarget::Callable(callee_decl),
-                vec![ten, three],
-                span(),
-            );
-            let entry = node_for_port(&dag, call_output);
-            let mut state = empty_state();
-
-            let value = eval_node(&dag, entry, &mut state, &eager_strategy()).expect("sub");
-
-            assert_eq!(value, Value::LiteralValue(literal_bits_int(7)));
-        }
-
-        #[test]
-        fn eval_bind_unbound_param_fails_closed_without_pushing_frame() {
-            let mut dag = Dag::new();
-            let param = dag.alloc_port(None);
-            let entry = dag.push_bind("missing", param, vec![param], span());
-            let mut state = empty_state();
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("unbound param");
-
-            assert_eq!(
-                err,
-                EvalError::FrameError(EvalFrameError::UnboundPort { port: param })
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-        }
-
-        #[test]
-        fn eval_bind_restores_stack_after_body_diagnostic() {
-            let mut dag = Dag::new();
-            let param = dag.alloc_port(None);
-            let one = dag.push_value(literal_bits_int(1), span());
-            let bad_body = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Div)),
-                vec![param, one],
-                span(),
-            );
-            let entry = dag.push_bind("bad", bad_body, vec![param], span());
-            let caller =
-                EvalFrame::from_bindings([(param, Value::LiteralValue(literal_bits_int(8)))])
-                    .expect("caller frame");
-            let mut state = EvalStateStack::with_root_frame(caller);
-
-            let err =
-                eval_node(&dag, entry, &mut state, &eager_strategy()).expect_err("body diagnostic");
-
-            assert_eq!(
-                err,
-                EvalError::UnsupportedTransformTarget {
-                    kind: "ArithmeticDiv",
-                }
-            );
-            assert_eq!(state.frames_outer_to_inner().len(), 1);
-            assert_eq!(
-                state.lookup(param),
-                Ok(&Value::LiteralValue(literal_bits_int(8)))
-            );
-        }
-
-        #[test]
-        fn lookup_walks_innermost_frame_first() {
-            let ids = ports(2);
-            let outer = EvalFrame::from_bindings([(ids[0], "outer"), (ids[1], "outer-only")])
-                .expect("outer frame");
-            let inner = EvalFrame::from_bindings([(ids[0], "inner")]).expect("inner frame");
-            let stack = EvalStateStack::from_outer_to_inner(vec![outer, inner]);
-
-            assert_eq!(stack.lookup(ids[0]), Ok(&"inner"));
-            assert_eq!(stack.lookup(ids[1]), Ok(&"outer-only"));
-        }
-
-        #[test]
-        fn bind_top_writes_only_the_innermost_frame() {
-            let ids = ports(1);
-            let outer = EvalFrame::from_bindings([(ids[0], "outer")]).expect("outer frame");
-            let inner = EvalFrame::empty();
-            let mut stack = EvalStateStack::from_outer_to_inner(vec![outer, inner]);
-
-            stack.bind_top(ids[0], "inner").expect("bind top");
-
-            assert_eq!(stack.lookup(ids[0]), Ok(&"inner"));
-            assert_eq!(
-                stack.frames_outer_to_inner()[0].lookup_local(ids[0]),
-                Some(&"outer")
-            );
-            assert_eq!(
-                stack.frames_outer_to_inner()[1].lookup_local(ids[0]),
-                Some(&"inner")
-            );
-        }
-
-        #[test]
-        fn bind_top_rejects_duplicate_binding_in_current_frame() {
-            let ids = ports(1);
-            let mut stack =
-                EvalStateStack::with_root_frame(EvalFrame::from_bindings([(ids[0], 1)]).unwrap());
-
-            let err = stack.bind_top(ids[0], 2).expect_err("duplicate rejected");
-
-            assert_eq!(err, EvalFrameError::DuplicateBinding { port: ids[0] });
-            assert_eq!(stack.lookup(ids[0]), Ok(&1));
-        }
-
-        #[test]
-        fn lookup_reports_unbound_port_after_full_stack_walk() {
-            let ids = ports(2);
-            let stack =
-                EvalStateStack::with_root_frame(EvalFrame::from_bindings([(ids[0], 1)]).unwrap());
-
-            let err = stack.lookup(ids[1]).expect_err("unbound rejected");
-
-            assert_eq!(err, EvalFrameError::UnboundPort { port: ids[1] });
-        }
-
-        #[test]
-        fn bind_top_reports_empty_state_stack() {
-            let ids = ports(1);
-            let mut stack: EvalStateStack<i64> = EvalStateStack::from_outer_to_inner(Vec::new());
-
-            let err = stack.bind_top(ids[0], 1).expect_err("empty stack rejected");
-
-            assert_eq!(err, EvalFrameError::EmptyStateStack);
-        }
-    }
-}
-mod int_literal_ranges;
-/// T-LensAPI D1: bounded lens interpreter over substrate-shaped [`FieldValue`]
-/// (see module docs in `lens_declaration_apply.rs`).
-pub mod lens_declaration_apply;
-pub use lens_declaration_apply::lens_testgen;
-
-/// Effect-enumeration lens. Authority lives in
-/// `src/v3/lenses/effect_enumeration.dag`; the Rust projection is
-/// auto-emitted into `src/v3/compiler/src/lens_effect_enumeration_generated.rs`
-/// and wrapped here so callers use `v3_compiler::lens_effect_enumeration`.
-/// Editing the lens means editing the `.dag` and regenerating the checked-in
-/// projection in the same change.
-pub mod lens_effect_enumeration {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if,
-        non_shorthand_field_patterns
-    )]
-    mod generated {
-        use crate::dag::*;
-        use crate::diagnostics::*;
-
-        enum EffectClassificationResult {
-            EffectClassified {
-                shape: EffectShape,
-            },
-            EffectClassificationFailed {
-                failure: EffectClassificationFailure,
-            },
-        }
-
-        fn classify_operation_effect(op: &Operation) -> EffectClassificationResult {
-            match crate::dag::classify_operation_effect(&Dag::new(), op) {
-                Ok(shape) => EffectClassificationResult::EffectClassified { shape },
-                Err(failure) => EffectClassificationResult::EffectClassificationFailed { failure },
-            }
-        }
-
-        fn operation_effect_shape(op: &Operation) -> EffectShape {
-            crate::dag::operation_effect_shape(&Dag::new(), op)
-                .expect("std.effects operation anchors unavailable for generated adapter")
-        }
-
-        include!("lens_effect_enumeration_generated.rs");
-    }
-
-    pub use generated::{
-        enumerate_effects, CoverageGap, EffectEnumerationReport, EffectFact, RedundantReadError,
-        StructuralEffectShape, TransactionalPattern,
-    };
-
-    pub fn operation_structural_effect_shape(op: &crate::dag::Operation) -> StructuralEffectShape {
-        match crate::dag::operation_effect_shape(&crate::dag::Dag::new(), op) {
-            Some(shape) => generated::effect_shape_to_structural(&shape),
-            None => StructuralEffectShape::UnknownEffect {
-                reason: "std.effects operation anchors unavailable".to_string(),
-            },
-        }
-    }
-}
-
-/// Unused-parameters lens. Authority lives in `src/v3/lenses/unused_parameters.dag`;
-/// the Rust projection is emitted into `lens_unused_parameters_generated.rs` and
-/// wrapped here inline (same host pattern as `lens_cost` / `lens_provenance`).
-pub mod lens_unused_parameters {
-    use crate::dag::{NodeId, PortId};
-    use crate::Dag;
-
-    mod generated {
-        #![allow(
-            dead_code,
-            unused_imports,
-            unused_parens,
-            unused_variables,
-            clippy::clone_on_copy,
-            clippy::collapsible_else_if
-        )]
-
-        use crate::dag::*;
-        use crate::diagnostics::*;
-
-        include!("lens_unused_parameters_generated.rs");
-    }
-
-    #[derive(Debug, Clone, Default)]
-    pub struct UnusedParametersConfig {}
-
-    #[derive(Debug, Clone)]
-    pub struct UnusedParameter {
-        pub function: NodeId,
-        pub parameter: PortId,
-        pub parameter_index: usize,
-    }
-
-    pub struct UnusedParametersLens<'a> {
-        dag: &'a Dag,
-    }
-
-    impl<'a> UnusedParametersLens<'a> {
-        pub fn new(dag: &'a Dag) -> Self {
-            Self { dag }
-        }
-
-        pub fn query(&self, _config: &UnusedParametersConfig) -> Vec<UnusedParameter> {
-            generated::check(self.dag)
-                .into_iter()
-                .map(|violation| UnusedParameter {
-                    function: violation.function,
-                    parameter: violation.parameter,
-                    parameter_index: usize::try_from(violation.parameter_index)
-                        .expect("compiled lens should emit non-negative parameter indexes"),
-                })
-                .collect()
-        }
-    }
-
-    #[cfg(test)]
-    mod tests {
-        use super::{UnusedParametersConfig, UnusedParametersLens};
-        use crate::dag::{
-            literal_bits_int, BranchPattern, Dag, LoopBound, Path, PortId, TransformTarget,
-        };
-        use crate::diagnostics::SourceSpan;
-        use crate::operators::{ArithmeticOp, ComparisonOp, OperatorKind};
-
-        const DIRECT_DAG_FILE: &str = "lens_unused_parameters.unit";
-
-        fn span() -> SourceSpan {
-            SourceSpan::new(DIRECT_DAG_FILE, 0, 0)
-        }
-
-        fn unused_parameter_indexes(dag: &Dag) -> Vec<usize> {
-            let lens = UnusedParametersLens::new(dag);
-            let mut indexes: Vec<_> = lens
-                .query(&UnusedParametersConfig::default())
-                .into_iter()
-                .map(|violation| violation.parameter_index)
-                .collect();
-            indexes.sort_unstable();
-            indexes
-        }
-
-        fn int_value(dag: &mut Dag, value: i64) -> PortId {
-            dag.push_value(literal_bits_int(value), span())
-        }
-
-        fn add(dag: &mut Dag, lhs: PortId, rhs: PortId) -> PortId {
-            dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![lhs, rhs],
-                span(),
-            )
-        }
-
-        fn gt(dag: &mut Dag, lhs: PortId, rhs: PortId) -> PortId {
-            dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Gt)),
-                vec![lhs, rhs],
-                span(),
-            )
-        }
-
-        fn int_params(dag: &mut Dag, count: usize) -> Vec<PortId> {
-            let int_shape = dag.int_shape().expect("bootstrap Dag has Int");
-            (0..count)
-                .map(|_| dag.alloc_port_with_shape(int_shape))
-                .collect()
-        }
-
-        fn producer_or_bind(dag: &mut Dag, name: &str, output: PortId) -> crate::dag::NodeId {
-            dag.port(output)
-                .produced_by
-                .unwrap_or_else(|| dag.push_bind(name, output, Vec::new(), span()))
-        }
-
-        fn bind_arm(dag: &mut Dag, name: &str, output: PortId) -> Path {
-            Path {
-                body: producer_or_bind(dag, name, output),
-                output,
-                pattern: BranchPattern::UnresolvedVariant {
-                    name: name.to_string(),
-                    span: span(),
-                },
-                binding: None,
-            }
-        }
-
-        fn function_dag<F>(name: &str, param_count: usize, build_body: F) -> Dag
-        where
-            F: FnOnce(&mut Dag, &[PortId]) -> PortId,
-        {
-            let mut dag = Dag::new();
-            let params = int_params(&mut dag, param_count);
-            let value = build_body(&mut dag, &params);
-            dag.push_bind(name, value, params, span());
-            dag
-        }
-
-        #[test]
-        fn unused_params_empty_for_function_using_every_parameter() {
-            let dag = function_dag("add", 2, |dag, params| add(dag, params[0], params[1]));
-
-            assert_eq!(unused_parameter_indexes(&dag), Vec::<usize>::new());
-        }
-
-        #[test]
-        fn unused_params_reports_single_unused_parameter() {
-            let dag = function_dag("first", 2, |_dag, params| params[0]);
-
-            assert_eq!(unused_parameter_indexes(&dag), vec![1]);
-        }
-
-        #[test]
-        fn unused_params_reports_all_parameters_for_constant_body() {
-            let dag = function_dag("always_one", 3, |dag, _params| int_value(dag, 1));
-
-            assert_eq!(unused_parameter_indexes(&dag), vec![0, 1, 2]);
-        }
-
-        #[test]
-        fn unused_params_skips_value_bindings() {
-            let mut dag = Dag::new();
-            let lhs = int_value(&mut dag, 1);
-            let rhs = int_value(&mut dag, 2);
-            let value = add(&mut dag, lhs, rhs);
-            dag.push_bind("x", value, Vec::new(), span());
-
-            assert_eq!(unused_parameter_indexes(&dag), Vec::<usize>::new());
-        }
-
-        #[test]
-        fn unused_params_handles_branch_in_body() {
-            let dag = function_dag("pick", 2, |dag, params| {
-                let zero = int_value(dag, 0);
-                let cond = gt(dag, params[0], zero);
-                let then_path = bind_arm(dag, "then_arm", params[0]);
-                let else_path = bind_arm(dag, "else_arm", params[1]);
-                dag.push_branch(cond, vec![then_path, else_path], span())
-            });
-
-            assert_eq!(unused_parameter_indexes(&dag), Vec::<usize>::new());
-        }
-
-        #[test]
-        fn unused_params_bootstrap_baseline_is_empty() {
-            let dag = Dag::new();
-            assert_eq!(unused_parameter_indexes(&dag), Vec::<usize>::new());
-        }
-
-        #[test]
-        fn unused_params_reports_unused_in_branch_body() {
-            let dag = function_dag("always_a", 2, |dag, params| {
-                let zero = int_value(dag, 0);
-                let cond = gt(dag, params[0], zero);
-                let then_path = bind_arm(dag, "then_arm", params[0]);
-                let else_path = bind_arm(dag, "else_arm", params[0]);
-                dag.push_branch(cond, vec![then_path, else_path], span())
-            });
-
-            assert_eq!(unused_parameter_indexes(&dag), vec![1]);
-        }
-
-        #[test]
-        fn unused_params_descends_into_loop_body_for_recursive_calls() {
-            let dag = function_dag("count_down", 2, |dag, params| {
-                let body_output = add(dag, params[0], params[1]);
-                let count = int_value(dag, 1);
-                let body = producer_or_bind(dag, "loop_body", body_output);
-                dag.push_loop(
-                    params[0],
-                    params[1],
-                    body,
-                    LoopBound::Cardinality { count },
-                    span(),
-                )
-            });
-
-            assert_eq!(unused_parameter_indexes(&dag), Vec::<usize>::new());
-        }
-
-        #[test]
-        fn unused_params_loop_body_descent_finds_param_only_used_in_recursion() {
-            let dag = function_dag("count_down", 2, |dag, params| {
-                let body_output = add(dag, params[0], params[1]);
-                let init = int_value(dag, 0);
-                let count = int_value(dag, 1);
-                let body = producer_or_bind(dag, "loop_body", body_output);
-                dag.push_loop(
-                    params[0],
-                    init,
-                    body,
-                    LoopBound::Cardinality { count },
-                    span(),
-                )
-            });
-
-            assert_eq!(unused_parameter_indexes(&dag), Vec::<usize>::new());
-        }
-    }
-}
-
-pub mod boundary_emit_gates;
-mod bounded_host_command;
-pub mod emit_host_bridge;
-pub mod emit_host_eval;
-/// DB-8 / m1_3 / R1C-E: shared `PROGRAM_FIXTURES` + reflected harness table.
-pub mod emit_rust_roundtrip_fixtures;
-pub mod post_emit_verifier;
-pub mod r1c_e_gates;
-pub mod test_runner;
-pub mod wall_clock_ratchet_manifest;
-pub mod serialize {
-    use crate::dag::{Behavior, Dag};
-    use crate::diagnostics::Diagnostic;
-
-    include!("serialize_generated.rs");
-}
-pub mod types {
-    use crate::dag::DeclarationId;
-
-    include!("types_generated.rs");
-}
-pub mod parse_surface {
-    use crate::diagnostics::SourceSpan;
-    use crate::operators::OperatorKind;
-
-    include!("parse_surface_generated.rs");
-}
-
-pub use regen_bootstrap_emit::{render_bootstrap_generated_rs, render_bootstrap_std_generated_rs};
-
-/// Operator symbols and `algebra_field_name` projections.
-///
-/// **Single authority:** `src/v3/compiler/operators.dag` → `operators_generated.rs`
-/// (see the generated file header; do not add a parallel hand-written
-/// `operators.rs` — reviewers sometimes misread the crate layout that way).
-pub mod operators {
-    pub use crate::dag::{ArithmeticOp, ComparisonOp, LogicalOp, OperatorKind};
-
-    mod generated {
-        #![allow(
-            dead_code,
-            unused_imports,
-            unused_parens,
-            unused_variables,
-            clippy::clone_on_copy,
-            clippy::collapsible_else_if
-        )]
-
-        use crate::dag::{ArithmeticOp, ComparisonOp, LogicalOp, OperatorKind};
-
-        include!("operators_generated.rs");
-    }
-
-    pub use generated::{algebra_field_name, from_symbol, symbol};
-}
-
-/// SG-2c grammar-tables prototype (SG-2c-1 binary ops, SG-2c-2 item-keyword
-/// dispatch, SG-2c-3 type-RHS boundary keywords, SG-2c-4 brackets, SG-2c-5 soft
-/// keyword idents, SG-2c-6/7 `parse_primary` prefix + atom cluster).
-/// Authority: `src/v3/compiler/parse_tables.dag`.
-/// The generated Rust projection is emitted by `regen_parse_tables` and consumed
-/// from `parse_parser_body.txt` so the parser no longer open-codes token → operator
-/// matches or keyword membership tables for top-level type lookahead. Full parser authority (SG-2c
-/// proper) is blocked on recursive list-body emission over `List<Token>`; see
-/// `parse_tables.dag` header for the dissolution trigger.
-pub mod parse_tables {
-    #![allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-
-    include!("parse_tables_generated.rs");
-}
-
-/// Complexity lens. The authority lives in `src/v3/lenses/complexity.dag`;
-/// the generated surface now returns `Lookup<ComplexitySummary>` via
-/// `complexity_of`. `cost_of` below is a compatibility adapter for older
-/// structural-depth test-runner paths; new consumers should read
-/// `complexity_of`.
-pub mod lens_cost {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if,
-        clippy::double_parens,
-        clippy::eq_op,
-        clippy::large_enum_variant
-    )]
-    mod generated {
-        // Regen can emit a redundant paren around some `Hit(...)` payload
-        // subexpressions (`Hit((1 + n))` vs `Hit(1 + n)`) — relax until emission
-        // drops one stable layer of grouping.
-        use crate::complexity_lattice::complexity_enforcement_budget_dominates as asymptotic_dominates;
-        use crate::dag::*;
-        use crate::diagnostics::*;
-        use crate::lens_t_las_carrier::{
-            EnforceableLens, Lens, LensEnforcement, Monoid, OptionalDiagnostic,
-        };
-        use crate::ViolatesSubject;
-        use crate::Witness;
-
-        include!("complexity_lens_generated.rs");
-    }
-
-    pub use generated::{
-        complexity_enforcement_project, complexity_enforcement_violates, complexity_of,
-        complexity_summary_work_class_consistent, Certainty, ComplexityEntry, ComplexitySummary,
-        DominanceOutcome,
-    };
-    pub type ComplexityLookup = crate::dag::Lookup<ComplexitySummary>;
-
-    #[cfg(test)]
-    mod complexity_summary_work_class_consistent_tests {
-        use super::{complexity_summary_work_class_consistent, Certainty, ComplexitySummary};
-        use crate::dag::{AsymptoticClass, PortId, SizeVariable, SymbolicCost};
-
-        #[test]
-        fn rejects_under_reported_asymptotic_class_class_log_vs_classified_linear_work() {
-            let summary = ComplexitySummary {
-                work: SymbolicCost::LinearCost {
-                    _0: SizeVariable {
-                        source_port: PortId::test_raw(1),
-                        display_name: None,
-                    },
-                },
-                span: SymbolicCost::ConstantCost { _0: 0 },
-                asymptotic_class: AsymptoticClass::ClassLog,
-                work_certainty: Certainty::Proven,
-                span_certainty: Certainty::Proven,
-            };
-            assert!(
-                !complexity_summary_work_class_consistent(&summary),
-                "stored ClassLog must not cover classified ClassLinear work"
-            );
-        }
-
-        #[test]
-        fn accepts_stored_class_covering_classified_work_class_linear_covers_log_work() {
-            let summary = ComplexitySummary {
-                work: SymbolicCost::LogCost {
-                    _0: SizeVariable {
-                        source_port: PortId::test_raw(2),
-                        display_name: None,
-                    },
-                },
-                span: SymbolicCost::ConstantCost { _0: 0 },
-                asymptotic_class: AsymptoticClass::ClassLinear,
-                work_certainty: Certainty::Proven,
-                span_certainty: Certainty::Proven,
-            };
-            assert!(complexity_summary_work_class_consistent(&summary));
-        }
-    }
-
-    /// Back-compat projection for pre-`ComplexitySummary` callers that still
-    /// assert the old structural depth integer. This is not the behavioral
-    /// completion surface.
-    pub type CostLookup = crate::dag::Lookup<i64>;
-
-    pub fn cost_of(dag: &crate::dag::Dag, port: &crate::dag::PortId) -> CostLookup {
-        legacy_lookup_cost(&legacy_compute_costs(dag), port)
-    }
-
-    fn legacy_compute_costs(dag: &crate::dag::Dag) -> Vec<(crate::dag::PortId, CostLookup)> {
-        dag.nodes()
-            .iter()
-            .fold(legacy_seed_bind_params(dag.nodes()), |mut acc, behavior| {
-                acc.insert(0, legacy_entry_for(dag, &acc, behavior));
-                acc
-            })
-    }
-
-    fn legacy_seed_bind_params(
-        nodes: &[crate::dag::Behavior],
-    ) -> Vec<(crate::dag::PortId, CostLookup)> {
-        let mut out = Vec::new();
-        for behavior in nodes {
-            if let crate::dag::Behavior::Bind(bind) = behavior {
-                for param in &bind.params {
-                    out.insert(0, (*param, CostLookup::Hit(0)));
-                }
-            }
-        }
-        out
-    }
-
-    fn legacy_entry_for(
-        _dag: &crate::dag::Dag,
-        acc: &[(crate::dag::PortId, CostLookup)],
-        behavior: &crate::dag::Behavior,
-    ) -> (crate::dag::PortId, CostLookup) {
-        use crate::dag::Behavior;
-        match behavior {
-            Behavior::Value(v) => (v.result_port(), CostLookup::Hit(0)),
-            Behavior::Transform(t) => (
-                t.result_port(),
-                legacy_add_one(&legacy_sum_costs(acc, &t.inputs)),
-            ),
-            Behavior::Branch(b) => (
-                b.result_port(),
-                legacy_add_one(&legacy_add_cost(
-                    &legacy_lookup_cost(acc, &b.input),
-                    &legacy_max_path_cost(acc, &b.paths),
-                )),
-            ),
-            Behavior::Loop(l) => (
-                l.result_port(),
-                legacy_add_one(&legacy_add_cost(
-                    &legacy_lookup_cost(acc, &l.source),
-                    &legacy_lookup_cost(acc, &l.init),
-                )),
-            ),
-            Behavior::Bind(bind) => (
-                bind.result_port(),
-                legacy_lookup_cost(acc, &bind.result_port()),
-            ),
-        }
-    }
-
-    fn legacy_sum_costs(
-        acc: &[(crate::dag::PortId, CostLookup)],
-        ports: &[crate::dag::PortId],
-    ) -> CostLookup {
-        ports.iter().fold(CostLookup::Hit(0), |sum, port_id| {
-            legacy_add_cost(&sum, &legacy_lookup_cost(acc, port_id))
-        })
-    }
-
-    fn legacy_max_path_cost(
-        acc: &[(crate::dag::PortId, CostLookup)],
-        paths: &[crate::dag::Path],
-    ) -> CostLookup {
-        paths.iter().fold(CostLookup::Hit(0), |best, path| {
-            legacy_max_cost(&best, &legacy_lookup_cost(acc, &path.result_port()))
-        })
-    }
-
-    fn legacy_lookup_cost(
-        acc: &[(crate::dag::PortId, CostLookup)],
-        port_id: &crate::dag::PortId,
-    ) -> CostLookup {
-        acc.iter()
-            .find(|(port, _)| port == port_id)
-            .map(|(_, cost)| cost.clone())
-            .unwrap_or(CostLookup::Miss)
-    }
-
-    fn legacy_add_one(c: &CostLookup) -> CostLookup {
-        match c {
-            CostLookup::Miss => CostLookup::Miss,
-            CostLookup::Hit(n) => CostLookup::Hit(n + 1),
-        }
-    }
-
-    fn legacy_add_cost(a: &CostLookup, b: &CostLookup) -> CostLookup {
-        match a {
-            CostLookup::Miss => CostLookup::Miss,
-            CostLookup::Hit(x) => match b {
-                CostLookup::Miss => CostLookup::Miss,
-                CostLookup::Hit(y) => CostLookup::Hit(x + y),
-            },
-        }
-    }
-
-    fn legacy_max_cost(a: &CostLookup, b: &CostLookup) -> CostLookup {
-        match a {
-            CostLookup::Miss => CostLookup::Miss,
-            CostLookup::Hit(x) => match b {
-                CostLookup::Miss => CostLookup::Miss,
-                CostLookup::Hit(y) => CostLookup::Hit((*x).max(*y)),
-            },
-        }
-    }
-
-    #[cfg(test)]
-    mod tests {
-        use super::{cost_of, CostLookup};
-        use crate::dag::{
-            literal_bits_int, ArithmeticOp, BranchPattern, Dag, LiteralBits, LoopBound,
-            OperatorKind, Path, PortId, TransformTarget,
-        };
-        use crate::diagnostics::SourceSpan;
-
-        fn span() -> SourceSpan {
-            SourceSpan::new("<lens-cost-test>", 0, 0)
-        }
-
-        fn expect_found(lookup: CostLookup) -> i64 {
-            match lookup {
-                CostLookup::Hit(c) => c,
-                CostLookup::Miss => panic!("expected Hit, got Miss"),
-            }
-        }
-
-        fn assert_cost(dag: &Dag, port: PortId, expected: i64) {
-            assert_eq!(expect_found(cost_of(dag, &port)), expected);
-        }
-
-        fn int_value(dag: &mut Dag, value: i64) -> PortId {
-            dag.push_value(literal_bits_int(value), span())
-        }
-
-        fn add(dag: &mut Dag, lhs: PortId, rhs: PortId) -> PortId {
-            dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![lhs, rhs],
-                span(),
-            )
-        }
-
-        fn bind_arm(dag: &mut Dag, name: &str, output: PortId) -> Path {
-            Path {
-                body: dag.push_bind(name, output, Vec::new(), span()),
-                output,
-                pattern: BranchPattern::UnresolvedVariant {
-                    name: name.to_string(),
-                    span: span(),
-                },
-                binding: None,
-            }
-        }
-
-        #[test]
-        fn value_port_has_zero_cost() {
-            let mut dag = Dag::new();
-            let port = dag.push_value(literal_bits_int(7), span());
-            assert_cost(&dag, port, 0);
-        }
-
-        #[test]
-        fn transform_adds_one_to_sum_of_input_costs() {
-            let mut dag = Dag::new();
-            let a = dag.push_value(literal_bits_int(1), span());
-            let b = dag.push_value(literal_bits_int(2), span());
-            let sum = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![a, b],
-                span(),
-            );
-            assert_cost(&dag, sum, 1);
-        }
-
-        #[test]
-        fn chained_transforms_accumulate_through_input_edges() {
-            // (1 + 2) + 3: outer transform = 1 + (inner=1) + (literal=0) = 2.
-            let mut dag = Dag::new();
-            let a = dag.push_value(literal_bits_int(1), span());
-            let b = dag.push_value(literal_bits_int(2), span());
-            let c = dag.push_value(literal_bits_int(3), span());
-            let inner = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![a, b],
-                span(),
-            );
-            let outer = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![inner, c],
-                span(),
-            );
-            assert_cost(&dag, outer, 2);
-        }
-
-        #[test]
-        fn branch_cost_is_one_plus_input_plus_max_of_path_outputs() {
-            // cond=Bool(true) [0], arm=Int(1) [0] → branch = 1 + 0 + 0 = 1.
-            let mut dag = Dag::new();
-            let cond = dag.push_value(LiteralBits::Bool(true), span());
-            let arm_output = int_value(&mut dag, 1);
-            let arm_body = dag.push_bind("arm", arm_output, Vec::new(), span());
-            let branch = dag.push_branch(
-                cond,
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Only".to_string(),
-                        span: span(),
-                    },
-                    binding: None,
-                }],
-                span(),
-            );
-            assert_cost(&dag, branch, 1);
-        }
-
-        #[test]
-        fn branch_cost_uses_max_not_sum_across_paths() {
-            let mut dag = Dag::new();
-            let cond = dag.push_value(LiteralBits::Bool(true), span());
-            let cheap = int_value(&mut dag, 20);
-            let forty = int_value(&mut dag, 40);
-            let fifty = int_value(&mut dag, 50);
-            let pricey = add(&mut dag, forty, fifty);
-            let sixty = int_value(&mut dag, 60);
-            let pricier = add(&mut dag, pricey, sixty);
-            let paths = vec![
-                bind_arm(&mut dag, "cheap_arm", cheap),
-                bind_arm(&mut dag, "pricier_arm", pricier),
-            ];
-            let branch = dag.push_branch(cond, paths, span());
-
-            // branch = 1 + cond(0) + max(cheap=0, pricier=((40+50)+60)=2)
-            assert_cost(&dag, branch, 3);
-        }
-
-        #[test]
-        fn loop_cost_is_one_plus_source_plus_init() {
-            let mut dag = Dag::new();
-            let source = dag.push_value(literal_bits_int(4), span());
-            let init = dag.push_value(literal_bits_int(0), span());
-            let body_output = dag.push_value(literal_bits_int(0), span());
-            let body = dag.push_bind("loop_body", body_output, Vec::new(), span());
-            let loop_port = dag.push_loop(
-                source,
-                init,
-                body,
-                LoopBound::Cardinality { count: source },
-                span(),
-            );
-            assert_cost(&dag, loop_port, 1);
-        }
-
-        #[test]
-        fn bind_cost_tracks_body_value_cost() {
-            // let x = 1 + 2: bind.value is the Add transform (cost 1).
-            let mut dag = Dag::new();
-            let a = dag.push_value(literal_bits_int(1), span());
-            let b = dag.push_value(literal_bits_int(2), span());
-            let body = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![a, b],
-                span(),
-            );
-            let _ = dag.push_bind("x", body, Vec::new(), span());
-            assert_cost(&dag, body, 1);
-        }
-
-        #[test]
-        fn bind_params_seed_as_zero_cost_and_body_costs_accumulate() {
-            // fn double(x) = x + x: body transform reads x twice. Each param
-            // port is seeded to cost 0, so body cost = 1 + 0 + 0 = 1.
-            let mut dag = Dag::new();
-            let int_shape = dag.int_shape().expect("bootstrap Int");
-            let x = dag.alloc_port_with_shape(int_shape);
-            let body = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![x, x],
-                span(),
-            );
-            let _ = dag.push_bind("double", body, vec![x], span());
-
-            // Parameter ports look up against the seeded entries.
-            assert_cost(&dag, x, 0);
-            assert_cost(&dag, body, 1);
-        }
-    }
-}
-
-/// Symbolic-cost lens (Lane 2 Stage 2d / DB-7). Authority lives in
-/// `src/v3/lenses/cost.dag`; the Rust projection is auto-emitted
-/// into `src/v3/compiler/src/cost_symbolic_lens_generated.rs` and
-/// re-exported so callers use `v3_compiler::lens_cost_symbolic::*`.
-///
-/// **Dual gate #104 witness entrypoints — different contracts:**
-/// - **[`symbolic_cost_of`]** is **port-keyed**: runs typed [`crate::dag::Dag::resolve_producer_lookup`]
-///   and may return **malformed-substrate** [`Witness::Violates`](crate::dimension::Witness::Violates)
-///   with [`ViolatesSubject`](crate::dimension::ViolatesSubject) (**`ProducerLookupMissingPort`** /
-///   **`ProducerLookupMissingNode`**, or **`AtBehavior`** for **`BindCycle`**), or **`NoProducer`** with
-///   table **`Hit` → `Inhabits`** / **`Miss` → `UnknownCost`**.
-/// - **`Lens.read`** is implemented by the generated **`cost_lens_read`** (same fold + table as this
-///   module): caller supplies subject **`Behavior`** `b`; it runs **`lookup_cost(compute_symbolic_costs(..),
-///   behavior_result_port(b))`**, and on table **`Miss`** uses [`Witness::Violates`](crate::dimension::Witness::Violates) with
-///   **`subject: ViolatesSubject::AtBehavior(b)`** — it does **not** re-run **`resolve_producer_lookup`**,
-///   so it never emits the producer-walk malformed reasons (facts attach to the behavior the caller is
-///   pinning).
-///
-/// The `SymbolicCost` + `SizeVariable` carriers live in
-/// `src/v3/compiler/src/dag.rs` rather than the generated module
-/// because they're declared in `src/v3/std/algebra.dag`, which
-/// `emit_rust_module`'s `is_bootstrap_file` filter excludes from
-/// type emission. The hand-maintained Rust mirror adjacent to
-/// `Behavior` / `LoopBound` follows the same substrate-ownership
-/// pattern the other bootstrap-resident types use.
-pub mod lens_cost_symbolic {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if,
-        clippy::deref_addrof,
-        clippy::eq_op
-    )]
-    mod generated {
-        use crate::dag::*;
-        use crate::diagnostics::*;
-        use crate::lens_t_las_carrier::{
-            EnforceableLens, Lens, LensEnforcement, Monoid, OptionalDiagnostic,
-        };
-        use crate::ViolatesSubject;
-        use crate::Witness;
-
-        include!("cost_symbolic_lens_generated.rs");
-    }
-
-    pub use generated::{
-        transform_cost_for_target, CostBasisDeclaration, CostBasisKind, SymbolicCostEntry,
-    };
-
-    /// Same fold order as regen’d [`generated::compute_symbolic_costs`], plus
-    /// [`crate::dag::collapse_unary_bind_tail_iterate_linear_product_if_duplicate_induction`] on
-    /// each `Hit` row **before it enters the fold accumulator** (P5 receipt: `ROADMAP.md`
-    /// Post-merge debt (2026-05-08), **R3 gate #78**).
-    ///
-    /// The generated lens reads operand costs via [`generated::lookup_cost`] against entries built
-    /// earlier in the fold; applying collapse only after the full vector would leave those lookups
-    /// observing uncollapsed `ProductCost` shells (facts-forward / single-authority for composed
-    /// rows).
-    ///
-    /// **Single public folded table.** [`compute_symbolic_costs`] is the normalization authority
-    /// (P2): [`generated::compute_symbolic_costs`] plus the collapse pass above.
-    pub fn compute_symbolic_costs(dag: &crate::dag::Dag) -> Vec<SymbolicCostEntry> {
-        use crate::dag::Lookup;
-
-        dag.nodes()
-            .iter()
-            .fold(generated::seed_bind_params(dag.nodes()), |fold_acc, fold_item| {
-                let mut row = generated::entry_for(dag, &fold_acc, fold_item);
-                let port = row.port;
-                row.cost = match row.cost {
-                    Lookup::Miss => Lookup::Miss,
-                    Lookup::Hit(c) => Lookup::Hit(
-                        crate::dag::collapse_unary_bind_tail_iterate_linear_product_if_duplicate_induction(
-                            dag, port, c,
-                        ),
-                    ),
-                };
-                let mut list = fold_acc.clone();
-                list.insert(0, row);
-                list
-            })
-    }
-
-    /// Port-only [`Witness`](crate::dimension::Witness) over [`SymbolicCost`] (R3 §1.8 gate #104).
-    ///
-    /// Uses [`crate::dag::Dag::resolve_producer_lookup`] (typed walk) — **not**
-    /// [`crate::dag::Dag::resolve_producer_opt`], which merges legitimate `NoProducer` with malformed
-    /// substrate (`MissingPort` / `MissingNode` / `BindCycle`) into `None` (INVARIANTS P3 forbids that
-    /// collapse here).
-    ///
-    /// - [`ProducerLookup::Found`]: merges table lookup via [`generated::witness_from_symbolic_cost_lookup`]
-    ///   (lawful `Violates` on table **`Miss`** uses [`ViolatesSubject::AtBehavior`] with the resolved producer).
-    /// - [`ProducerLookup::NoProducer`]: **INVARIANTS P2** — still consult the **same** `folded`
-    ///   [`generated::lookup_cost`] as `Found`. Table **`Hit`** (e.g. bind-parameter seeds from
-    ///   [`generated::seed_bind_params`]) flows forward as **`Inhabits`**. Only plain parameters /
-    ///   externals with **no** folded row (**`Miss`**) use **`Inhabits(UnknownCost("…"))`** — not
-    ///   substrate corruption and not a fake `Violates`.
-    /// - Malformed substrate: **`Violates { reason, subject }`** ([`ViolatesSubject`]) —
-    ///   **no fabricated unrelated [`Behavior`].** **`BindCycle`** uses **`AtBehavior(dag.node(detected_at))`**
-    ///   (detected Bind). **`MissingPort`** / **`MissingNode`** carry only the offending [`PortId`] /
-    ///   [`NodeId`] residue from the walker. When projecting to IDE diagnostics from this **port-keyed**
-    ///   query, compose spans with **`Some(port)`** via [`crate::violates_subject_diagnostic_span`] so producer-walk residues can anchor like [`ViolatesSubject::AtBehavior`] when the keyed port declares a lawful producer.
-    ///
-    /// Uses normalized [`compute_symbolic_costs`] for [`generated::lookup_cost`].
-    ///
-    /// [`ProducerLookup::Found`]: crate::dag::ProducerLookup::Found
-    /// [`ProducerLookup::NoProducer`]: crate::dag::ProducerLookup::NoProducer
-    /// [`ProducerLookup::MissingPort`]: crate::dag::ProducerLookup::MissingPort
-    /// [`ProducerLookup::MissingNode`]: crate::dag::ProducerLookup::MissingNode
-    /// [`ProducerLookup::BindCycle`]: crate::dag::ProducerLookup::BindCycle
-    /// [`ViolatesSubject::AtBehavior`]: crate::dimension::ViolatesSubject::AtBehavior
-    /// [`ViolatesSubject`]: crate::dimension::ViolatesSubject
-    /// [`NodeId`]: crate::dag::NodeId
-    /// [`SymbolicCost`]: crate::dag::SymbolicCost
-    pub fn symbolic_cost_of(
-        dag: &crate::dag::Dag,
-        port: &crate::dag::PortId,
-    ) -> crate::dimension::Witness<crate::dag::SymbolicCost> {
-        use crate::dag::ProducerLookup;
-        use crate::dimension::ViolatesSubject;
-
-        let folded = generated::lookup_cost(&compute_symbolic_costs(dag), port);
-        match dag.resolve_producer_lookup(port) {
-            ProducerLookup::Found(subject) => {
-                generated::witness_from_symbolic_cost_lookup(&folded, subject.clone())
-            }
-            ProducerLookup::NoProducer => match folded {
-                SymbolicCostLookup::Hit(cost) => crate::dimension::Witness::Inhabits(cost),
-                SymbolicCostLookup::Miss => {
-                    crate::dimension::Witness::Inhabits(crate::dag::SymbolicCost::UnknownCost {
-                        _0: String::from(
-                            "symbolic_cost_of: no producer for port (parameter or external binding)",
-                        ),
-                    })
-                }
-            },
-            ProducerLookup::MissingPort { port: missing } => crate::dimension::Witness::Violates {
-                reason: format!(
-                    "symbolic_cost_of: malformed substrate — MissingPort {:?}",
-                    missing
-                ),
-                subject: ViolatesSubject::ProducerLookupMissingPort { port: missing },
-            },
-            ProducerLookup::MissingNode { producer } => crate::dimension::Witness::Violates {
-                reason: format!(
-                    "symbolic_cost_of: malformed substrate — MissingNode {:?}",
-                    producer
-                ),
-                subject: ViolatesSubject::ProducerLookupMissingNode { producer },
-            },
-            ProducerLookup::BindCycle { detected_at } => crate::dimension::Witness::Violates {
-                reason: format!(
-                    "symbolic_cost_of: malformed substrate — BindCycle at {:?}",
-                    detected_at
-                ),
-                subject: ViolatesSubject::AtBehavior(dag.node(detected_at).clone()),
-            },
-        }
-    }
-
-    /// Table-only [`Lookup`] for one port—the same folded [`compute_symbolic_costs`] facts
-    /// [`symbolic_cost_of`] inspects—but **without** producer resolution /
-    /// [`Witness`](crate::dimension::Witness) packaging (algebra-level consumers; dimensional spine).
-    #[inline]
-    pub fn symbolic_cost_lookup(
-        dag: &crate::dag::Dag,
-        port: &crate::dag::PortId,
-    ) -> SymbolicCostLookup {
-        generated::lookup_cost(&compute_symbolic_costs(dag), port)
-    }
-
-    /// Scan a single port against a table from [`compute_symbolic_costs`].
-    ///
-    /// Callers that need many ports should compute once and use this instead of
-    /// [`symbolic_cost_lookup`], which rebuilds the full table on every lookup.
-    #[inline]
-    pub fn lookup_symbolic_cost(
-        table: &[SymbolicCostEntry],
-        port: &crate::dag::PortId,
-    ) -> SymbolicCostLookup {
-        generated::lookup_cost(table, port)
-    }
-
-    /// Alias for [`Lookup`] at [`SymbolicCost`] (`Hit` / `Miss`) over [`compute_symbolic_costs`] rows.
-    ///
-    /// [`SymbolicCost`]: crate::dag::SymbolicCost
-    /// [`Lookup`]: crate::dag::Lookup
-    pub type SymbolicCostLookup = crate::dag::Lookup<crate::dag::SymbolicCost>;
-}
-
-pub mod memory_peak_cost;
-
-/// `cost_target_realization.dag` `.dag`-tier consumer of the
-/// `declaration_by_name` substrate accessor (T-CostLens-Composition
-/// Slice 1a.1; gunb-ai/gunbc#2141 ε scope per gunbc#2181 ratification).
-/// Six per-category meta-type `Declaration?` resolvers covering all
-/// `*Realization` carriers declared in `src/v3/std/emit_model.dag`
-/// (TypeRealization / CallableRealization / OperatorRealization /
-/// BehaviorRealization / TypeInstantiationRealization / PatternRealization).
-pub mod lens_cost_target_realization {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-    mod generated {
-        use crate::dag::*;
-
-        include!("lens_cost_target_realization_generated.rs");
-    }
-
-    pub use generated::{
-        behavior_realization_meta, callable_realization_meta, operator_realization_meta,
-        pattern_realization_meta, type_instantiation_realization_meta, type_realization_meta,
-    };
-}
-
-/// Provenance lens. The authority lives in
-/// `src/v3/lenses/provenance.dag`; the Rust projection is auto-emitted
-/// into `src/v3/compiler/src/lens_provenance_generated.rs` and wrapped
-/// here as a module so callers use `v3_compiler::lens_provenance`.
-/// Editing the lens means editing the `.dag` — there is no hand-written
-/// implementation on this crate side.
-///
-/// Only `Origin` and `origin_of` are re-exported. The generated module
-/// also declares internal helper carriers (`PortLookup`,
-/// `BehaviorLookup`) and their `find_*` / `behavior_id` walkers, which
-/// exist solely because the substrate still exposes `Dag.ports` /
-/// `Dag.nodes` as linear lists. Those helpers are bounded scaffolding
-/// that dissolves when the substrate grows total keyed `port(id)` /
-/// `node(id)` accessors — keeping them crate-private now prevents the
-/// tracked-scaffold from leaking into `v3_compiler::lens_provenance`'s
-/// public surface and attracting downstream consumers.
-pub mod lens_provenance {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-    mod generated {
-        use crate::dag::*;
-        use crate::diagnostics::*;
-
-        include!("lens_provenance_generated.rs");
-    }
-
-    pub use generated::{origin_of, Origin};
-
-    #[cfg(test)]
-    mod tests {
-        use super::{origin_of, Origin};
-        use crate::dag::{
-            literal_bits_int, ArithmeticOp, BranchPattern, Dag, LiteralBits, LoopBound,
-            OperatorKind, Path, TransformTarget,
-        };
-        use crate::diagnostics::SourceSpan;
-
-        fn span() -> SourceSpan {
-            SourceSpan::new("<lens-provenance-test>", 0, 0)
-        }
-
-        fn label(origin: &Origin) -> &'static str {
-            match origin {
-                Origin::NoProducer => "NoProducer",
-                Origin::MissingPort => "MissingPort",
-                Origin::MissingBehavior => "MissingBehavior",
-                Origin::Source { .. } => "Source",
-                Origin::Computed { .. } => "Computed",
-                Origin::Selected { .. } => "Selected",
-                Origin::Accumulated { .. } => "Accumulated",
-            }
-        }
-
-        #[test]
-        fn unproduced_parameter_port_reports_no_producer() {
-            let mut dag = Dag::new();
-            let int_shape = dag.int_shape().expect("bootstrap Int");
-            let param = dag.alloc_port_with_shape(int_shape);
-            assert_eq!(label(&origin_of(&dag, &param)), "NoProducer");
-        }
-
-        #[test]
-        fn value_port_reports_source_origin() {
-            let mut dag = Dag::new();
-            let port = dag.push_value(literal_bits_int(1), span());
-            assert_eq!(label(&origin_of(&dag, &port)), "Source");
-        }
-
-        #[test]
-        fn transform_port_reports_computed_origin() {
-            let mut dag = Dag::new();
-            let a = dag.push_value(literal_bits_int(1), span());
-            let b = dag.push_value(literal_bits_int(2), span());
-            let sum = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![a, b],
-                span(),
-            );
-            assert_eq!(label(&origin_of(&dag, &sum)), "Computed");
-        }
-
-        #[test]
-        fn branch_port_reports_selected_origin() {
-            let mut dag = Dag::new();
-            let cond = dag.push_value(LiteralBits::Bool(true), span());
-            let arm_output = dag.push_value(literal_bits_int(1), span());
-            let arm_body = dag.push_bind("arm", arm_output, Vec::new(), span());
-            let branch = dag.push_branch(
-                cond,
-                vec![Path {
-                    body: arm_body,
-                    output: arm_output,
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: "Only".to_string(),
-                        span: span(),
-                    },
-                    binding: None,
-                }],
-                span(),
-            );
-            assert_eq!(label(&origin_of(&dag, &branch)), "Selected");
-        }
-
-        #[test]
-        fn loop_port_reports_accumulated_origin() {
-            let mut dag = Dag::new();
-            let source = dag.push_value(literal_bits_int(4), span());
-            let init = dag.push_value(literal_bits_int(0), span());
-            let body_output = dag.push_value(literal_bits_int(0), span());
-            let body = dag.push_bind("loop_body", body_output, Vec::new(), span());
-            let loop_port = dag.push_loop(
-                source,
-                init,
-                body,
-                LoopBound::Cardinality { count: source },
-                span(),
-            );
-            assert_eq!(label(&origin_of(&dag, &loop_port)), "Accumulated");
-        }
-
-        #[test]
-        fn bind_value_origin_is_its_producer_not_the_bind_itself() {
-            // `let x = 1 + 2` — bind.value is the transform output, so
-            // origin_of(bind.value) walks through to the Transform producer
-            // and reports Computed. A Bind's own output is only reached
-            // when something references the Bind node directly.
-            let mut dag = Dag::new();
-            let a = dag.push_value(literal_bits_int(1), span());
-            let b = dag.push_value(literal_bits_int(2), span());
-            let body = dag.push_transform(
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)),
-                vec![a, b],
-                span(),
-            );
-            let _ = dag.push_bind("x", body, Vec::new(), span());
-            assert_eq!(label(&origin_of(&dag, &body)), "Computed");
-        }
-    }
-}
-
-/// Structural-resolution lens. The authority lives in
-/// `src/v3/lenses/structural_resolution.dag`; the Rust projection is
-/// auto-emitted into `src/v3/compiler/src/lens_structural_resolution_generated.rs`
-/// and wrapped here as a module so callers use
-/// `v3_compiler::lens_structural_resolution`. Editing the lens means
-/// editing the `.dag` — there is no hand-written implementation on
-/// this crate side.
-///
-/// Detects leaked `ArrowBody::Pending` in the final Dag.
-/// Defense-in-depth regression pin for the R13 fix (see the `.dag`
-/// source for the full detection rule and disposal trigger).
-pub mod lens_structural_resolution {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-    mod generated {
-        use crate::dag::*;
-        use crate::diagnostics::*;
-
-        include!("lens_structural_resolution_generated.rs");
-    }
-
-    pub use generated::{check, name_keyed_references, NameKeyedReference, UnresolvedArrowBody};
-
-    #[cfg(test)]
-    mod tests {
-        use super::{check, name_keyed_references, NameKeyedReference, UnresolvedArrowBody};
-        use crate::dag::{ArrowBody, AtomPayload, Declaration, DeclarationId, TypeConnective};
-        use crate::diagnostics::SourceSpan;
-        use crate::{compile_to_dag, Dag};
-
-        fn span() -> SourceSpan {
-            SourceSpan::new("<lens-structural-resolution-test>", 0, 0)
-        }
-
-        fn inject_named_pending_arrow(
-            dag: &mut Dag,
-            name: &str,
-            output_type: DeclarationId,
-        ) -> DeclarationId {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some(name.to_string()),
-                connective: TypeConnective::Arrow {
-                    inputs: Vec::new(),
-                    output: output_type,
-                    body: ArrowBody::Pending,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span(),
-            });
-            id
-        }
-
-        fn inject_anonymous_pending_arrow(
-            dag: &mut Dag,
-            output_type: DeclarationId,
-        ) -> DeclarationId {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Arrow {
-                    inputs: Vec::new(),
-                    output: output_type,
-                    body: ArrowBody::Pending,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span(),
-            });
-            id
-        }
-
-        fn inject_name_keyed_reference(dag: &mut Dag, target: DeclarationId) -> DeclarationId {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Atom(AtomPayload::ResolvedByName(target)),
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span(),
-            });
-            id
-        }
-
-        fn violations(dag: &Dag) -> Vec<UnresolvedArrowBody> {
-            check(dag)
-        }
-
-        fn name_keyed(dag: &Dag) -> Vec<NameKeyedReference> {
-            name_keyed_references(dag)
-        }
-
-        #[test]
-        fn lens_flags_named_arrow_pending_injected_into_dag() {
-            let mut dag = Dag::new();
-            let int_output = dag.int_shape().expect("bootstrap Dag has Int").declaration;
-            let decl_id = inject_named_pending_arrow(&mut dag, "leaked_fn", int_output);
-
-            let found = violations(&dag);
-            assert_eq!(
-                found.len(),
-                1,
-                "expected exactly one violation, got {}: {:?}",
-                found.len(),
-                found
-            );
-            assert_eq!(found[0].declaration, decl_id);
-            assert_eq!(found[0].name, "leaked_fn");
-        }
-
-        #[test]
-        fn lens_silent_on_empty_bootstrap_dag() {
-            let dag = Dag::new();
-            let found = violations(&dag);
-            assert!(
-                found.is_empty(),
-                "bootstrap Dag must produce zero violations (algebra arrows are anonymous), got {}: {:?}",
-                found.len(),
-                found
-            );
-        }
-
-        #[test]
-        fn lens_flags_anonymous_arrow_pending_injected_into_dag() {
-            let mut dag = Dag::new();
-            let int_output = dag.int_shape().expect("bootstrap Dag has Int").declaration;
-            let decl_id = inject_anonymous_pending_arrow(&mut dag, int_output);
-
-            let found = violations(&dag);
-            assert_eq!(
-                found.len(),
-                1,
-                "expected exactly one anonymous violation, got {}: {:?}",
-                found.len(),
-                found
-            );
-            assert_eq!(found[0].declaration, decl_id);
-            assert_eq!(found[0].name, "<anonymous>");
-        }
-
-        #[test]
-        fn lens_survives_co_existing_injected_and_compiled_declarations() {
-            let mut dag =
-                compile_to_dag("fn good(x: Int) -> Int = x + 1", "user.v3").expect("compiles");
-            let int_output = dag.int_shape().expect("Int shape").declaration;
-            let leak_id = inject_named_pending_arrow(&mut dag, "leaked", int_output);
-            let found = violations(&dag);
-            assert_eq!(
-                found.len(),
-                1,
-                "expected exactly one violation amid real declarations, got {}: {:?}",
-                found.len(),
-                found
-            );
-            assert_eq!(found[0].declaration, leak_id);
-            assert_eq!(found[0].name, "leaked");
-        }
-
-        #[test]
-        fn lens_flags_injected_name_keyed_reference() {
-            let mut dag = Dag::new();
-            let int_id = dag.int_shape().expect("bootstrap Dag has Int").declaration;
-            let site_id = inject_name_keyed_reference(&mut dag, int_id);
-
-            let found = name_keyed(&dag);
-            let injected = found
-                .iter()
-                .find(|entry| entry.declaration == site_id)
-                .unwrap_or_else(|| {
-                    panic!(
-                        "expected injected site in name-keyed references, got {}: {:?}",
-                        found.len(),
-                        found
-                    )
-                });
-            assert_eq!(injected.resolved_to, int_id);
-        }
-    }
-}
-
-mod bootstrap;
-
-pub use bootstrap::BOOTSTRAP_FIXTURE_PATH_KEYS;
-
-#[cfg(feature = "bootstrap-regen-fresh")]
-mod bootstrap_regen_fresh;
-
-/// Fresh tokenize/parse/lower bootstrap used **only** by `regen_bootstrap`
-/// (`--features bootstrap-regen-fresh`). Default `v3-compiler` builds omit this
-/// module; production callers load snapshots via `Dag::new()`.
-#[cfg(feature = "bootstrap-regen-fresh")]
-pub use bootstrap_regen_fresh::{
-    compile_full_bootstrap_dag_from_std_seed,
-    compile_full_bootstrap_without_parse_surface_dag_from_std_seed, compile_std_bootstrap_dag,
-};
-
-mod cost_basis_declaration;
-mod dimension;
-mod infer;
-
-/// SG-4 prep: first .dag-authority slice of `infer.rs`. Authority
-/// lives in `src/v3/lenses/infer_helpers.dag`; the Rust projection is
-/// auto-emitted into `src/v3/compiler/src/infer_helpers_generated.rs`
-/// and consumed by `infer.rs` via
-/// `crate::infer_helpers::behavior_output_port`. Editing the helper
-/// means editing the `.dag` — there is no hand-written implementation
-/// on this crate side. SG-6 owns folding the standalone regen driver
-/// and relocating extracted helper modules out of `lenses/` once the
-/// consolidated regen target lands.
-pub(crate) mod infer_helpers {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-    mod generated {
-        use crate::dag::*;
-        use crate::diagnostics::{SourceByteSpan, SourceSpan};
-
-        include!("infer_helpers_generated.rs");
-    }
-
-    pub(crate) use generated::{
-        behavior_output_port, normalize_instantiation_arguments, payload_binding_span,
-        push_template_argument_binding, resolve_template_argument_value, template_argument_value,
-        template_arguments_match as generated_template_arguments_match,
-        NormalizedInstantiationArgs, TemplateArgumentBinding, TemplateArgumentsMatch,
-    };
-
-    #[cfg(test)]
-    pub(crate) use generated::filter_non_self_template_arguments;
-}
-
-/// SG-3g-d: `.dag`-authority `expr_span` / `item_span` for surface nodes plus
-/// `pattern_binding_names` (see `lenses/lower_helpers.dag`).
-/// Consumed from `lower.rs`; `parse_generated.rs` keeps its own `&SourceSpan` helper for
-/// parser-local span fusion without cloning.
-pub(crate) mod lower_helpers {
-    use crate::diagnostics::SourceSpan;
-
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-    mod generated {
-        use crate::diagnostics::SourceByteSpan;
-        use crate::parse_surface;
-        use crate::parse_surface::{SurfaceExpr, SurfaceItem, SurfacePattern};
-
-        include!("lower_helpers_generated.rs");
-    }
-
-    #[allow(unused_imports)] // `item_span` is only referenced from this module's unit tests.
-    pub(crate) use generated::{expr_span, item_span, pattern_binding_names};
-
-    /// Full [`SourceSpan`] for a top-level [`SurfaceItem`]: `file` plus byte range,
-    /// read from the parse surface (`span` on each item shape, or
-    /// [`crate::parse::expr_span`] for `Let` bodies).
-    ///
-    /// Contrast with `expr_span` / `item_span` from `lower_helpers.dag`, which
-    /// return `SourceByteSpan` only (R3 gate #31 — no `SourceSpan.file` on that
-    /// lens-generated surface). Callers that need a real diagnostic / declaration
-    /// span with compilation-unit identity use this helper instead of inventing a
-    /// span from bytes alone.
-    pub(crate) fn surface_item_span(item: &crate::parse_surface::SurfaceItem) -> &SourceSpan {
-        use crate::parse_surface::SurfaceItem;
-        match item {
-            SurfaceItem::Let { expr, .. } => crate::parse::expr_span(expr),
-            SurfaceItem::Fn { span, .. } => span,
-            SurfaceItem::FnExternalBody { span, .. } => span,
-            SurfaceItem::Data { span, .. } => span,
-            SurfaceItem::Module { span, .. } => span,
-            SurfaceItem::Import { span, .. } => span,
-            SurfaceItem::TypeAtom { span, .. } => span,
-            SurfaceItem::TypeRecord { span, .. } => span,
-            SurfaceItem::TypeSum { span, .. } => span,
-            SurfaceItem::TypeAlias { span, .. } => span,
-        }
-    }
-
-    #[cfg(test)]
-    mod tests {
-        use super::{expr_span, item_span, pattern_binding_names};
-        use crate::diagnostics::{SourceByteSpan, SourceSpan};
-        use crate::parse_surface::{SurfaceExpr, SurfaceItem, SurfacePattern, SurfacePatternField};
-
-        #[test]
-        fn expr_span_matches_variant_span_field() {
-            let span = SourceSpan::new("t.v3", 10, 20);
-            let e = SurfaceExpr::Literal {
-                value: crate::parse_surface::SurfaceLiteral::Int("1".into()),
-                span: span.clone(),
-            };
-            assert_eq!(expr_span(&e), SourceByteSpan::new(10, 20));
-        }
-
-        #[test]
-        fn item_span_matches_item_shape() {
-            let item_span_value = SourceSpan::new("t.v3", 30, 40);
-            let expr_span_value = SourceSpan::new("t.v3", 50, 60);
-
-            assert_eq!(
-                item_span(&SurfaceItem::Let {
-                    name: "x".into(),
-                    type_ann: None,
-                    expr: SurfaceExpr::Literal {
-                        value: crate::parse_surface::SurfaceLiteral::Int("1".into()),
-                        span: expr_span_value.clone(),
-                    },
-                }),
-                SourceByteSpan::new(50, 60)
-            );
-            assert_eq!(
-                item_span(&SurfaceItem::Fn {
-                    name: "f".into(),
-                    type_params: vec![],
-                    params: vec![],
-                    return_type: crate::parse_surface::SurfaceType::Named {
-                        name: "Int".into(),
-                        span: item_span_value.clone(),
-                    },
-                    body: SurfaceExpr::Literal {
-                        value: crate::parse_surface::SurfaceLiteral::Int("1".into()),
-                        span: expr_span_value,
-                    },
-                    span: item_span_value.clone(),
-                }),
-                SourceByteSpan::new(30, 40)
-            );
-        }
-
-        #[test]
-        fn pattern_binding_names_match_pattern_shape() {
-            let span = SourceSpan::new("t.v3", 10, 20);
-            assert_eq!(
-                pattern_binding_names(&SurfacePattern::BareVariant {
-                    name: "None".into(),
-                    span: span.clone(),
-                }),
-                Vec::<String>::new()
-            );
-            assert_eq!(
-                pattern_binding_names(&SurfacePattern::VariantWith {
-                    name: "Some".into(),
-                    binding: "value".into(),
-                    span: span.clone(),
-                }),
-                vec!["value".to_string()]
-            );
-            assert_eq!(
-                pattern_binding_names(&SurfacePattern::VariantFields {
-                    name: "Pair".into(),
-                    fields: vec![
-                        SurfacePatternField {
-                            name: "left".into(),
-                            binding: "x".into(),
-                            span: span.clone(),
-                        },
-                        SurfacePatternField {
-                            name: "right".into(),
-                            binding: "y".into(),
-                            span: span.clone(),
-                        },
-                    ],
-                    span,
-                }),
-                vec!["x".to_string(), "y".to_string()]
-            );
-        }
-    }
-}
-
-/// Back-compat module path for the Stage 2b idempotency lens.
-///
-/// The dedicated `lens_idempotency.rs` wrapper retired once the native-Dag
-/// bridge collapsed to a single re-export. Keep the module name as an API alias
-/// until callers move to the crate-root `analyze_workflow` export.
-pub mod lens_idempotency {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-    mod generated {
-        use crate::dag::*;
-        use crate::diagnostics::*;
-        use crate::lens_t_las_carrier::OptionalDiagnostic;
-        use crate::Witness;
-
-        include!("lens_idempotency_generated.rs");
-    }
-
-    /// Stable `(Dag, NodeId)` surface for callers; the emitted regen module uses `&NodeId`.
-    pub fn analyze_workflow(
-        dag: &crate::dag::Dag,
-        workflow_root: crate::dag::NodeId,
-    ) -> crate::dag::WorkflowIdempotencyReport {
-        generated::analyze_workflow(dag, &workflow_root)
-    }
-}
-
-/// Lane 2 Stage 2e parallelism lens. Authority lives in
-/// `src/v3/lenses/parallelism.dag`; the Rust projection is auto-emitted into
-/// `src/v3/compiler/src/lens_parallelism_generated.rs` and wrapped here so the
-/// crate-root compatibility exports use the `.dag` port directly.
-pub mod lens_parallelism {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if
-    )]
-    mod generated {
-        use crate::dag::*;
-        use crate::diagnostics::*;
-        use crate::lens_t_las_carrier::OptionalDiagnostic;
-        use crate::Witness;
-
-        include!("lens_parallelism_generated.rs");
-    }
-
-    pub use generated::analyze_parallelism;
-
-    pub fn loop_iteration_parallel_emission_indicator(
-        dag: &crate::dag::Dag,
-        workflow_root: crate::dag::NodeId,
-    ) -> i64 {
-        generated::loop_iteration_parallel_emission_indicator(dag, workflow_root)
-    }
-
-    pub(crate) fn parallelism_iteration_observed_mode(
-        dag: &crate::dag::Dag,
-        workflow_root: crate::dag::NodeId,
-    ) -> ParallelismMode {
-        generated::parallelism_iteration_observed_mode(dag, workflow_root)
-    }
-
-    pub(crate) use generated::ParallelismMode;
-}
-
-// Surface pipeline for this crate (not workspace-root `src/tokenize.rs` / `src/parse.rs`):
-// `tokenize.dag` → `regen_tokenize` → `tokenize_generated.rs`,
-// `parse_parser_body.txt` → `regen_parse` → `parse_generated.rs` (`parse` module),
-// then hand-authored `lower.rs` consumes `parse::SurfaceItem` (including `inhabits`).
-mod lower;
-#[path = "parse_generated.rs"]
-mod parse;
-mod pipeline_authority;
-mod regen_parse_emit;
-mod regen_parse_tables_emit;
-#[allow(
-    dead_code,
-    unused_imports,
-    unused_parens,
-    unused_variables,
-    clippy::clone_on_copy,
-    clippy::collapsible_else_if
-)]
-#[path = "tokenize_generated.rs"]
-mod tokenize;
-
-/// Integration-parity hooks: `byte_matches` / `ScannerCharClass` for substrate-vs-codegen
-/// receipts (ROADMAP `char_in_class` interpreter parity row). **Unsupported** for external
-/// crates except the in-repo integration harness (`#[doc(hidden)]` per `enforced_lens_application`
-/// precedent above).
-#[doc(hidden)]
-pub use tokenize::{byte_matches, ScannerCharClass};
-
-pub use regen_parse_emit::{render_parse_generated_rs, RenderParseGeneratedError};
-pub use regen_parse_tables_emit::{
-    render_parse_tables_generated_rs, RenderParseTablesGeneratedError,
-};
-pub(crate) mod variant_payload {
-    #[allow(
-        dead_code,
-        unused_imports,
-        unused_parens,
-        unused_variables,
-        clippy::clone_on_copy,
-        clippy::collapsible_else_if,
-        clippy::cmp_owned,
-        clippy::large_enum_variant
-    )]
-    mod generated {
-        use crate::dag::*;
-
-        include!("variant_payload_generated.rs");
-    }
-
-    pub(crate) use generated::{
-        variant_payload_shape, VariantPayloadShape, VariantPayloadShapeLookup,
-    };
-
-    #[cfg(test)]
-    mod tests {
-        use super::{variant_payload_shape, VariantPayloadShape, VariantPayloadShapeLookup};
-        use crate::dag::{AtomPayload, Dag, Declaration, DeclarationId, Field, TypeConnective};
-        use crate::diagnostics::SourceSpan;
-
-        fn span() -> SourceSpan {
-            SourceSpan::new("<variant-payload-cementing-test>", 0, 0)
-        }
-
-        fn push_payload_decl(
-            dag: &mut Dag,
-            name: &str,
-            fields: Vec<(&str, DeclarationId)>,
-        ) -> DeclarationId {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some(name.to_string()),
-                connective: TypeConnective::Conj {
-                    children: fields
-                        .into_iter()
-                        .map(|(label, ty)| Field {
-                            label: label.to_string(),
-                            ty,
-                        })
-                        .collect(),
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span(),
-            });
-            id
-        }
-
-        fn shape_for(dag: &Dag, decl: DeclarationId) -> VariantPayloadShape {
-            match variant_payload_shape(dag, &decl) {
-                VariantPayloadShapeLookup::Found { _0: shape } => shape,
-                other => panic!("expected Found(..) payload shape, got {other:?}"),
-            }
-        }
-
-        fn dag_with_int_decl() -> (Dag, DeclarationId) {
-            let dag = Dag::new();
-            let int_decl = dag.int_shape().expect("bootstrap Int shape").declaration;
-            (dag, int_decl)
-        }
-
-        fn push_atom_decl(dag: &mut Dag) -> DeclarationId {
-            let atom = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id: atom,
-                name: Some("AtomPayload".to_string()),
-                connective: TypeConnective::Atom(AtomPayload::TypeParam("AtomPayload".to_string())),
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span(),
-            });
-            atom
-        }
-
-        #[test]
-        fn variant_payload_shape_cements_empty_product_payload() {
-            let (mut dag, _) = dag_with_int_decl();
-            let empty = push_payload_decl(&mut dag, "EmptyPayload", Vec::new());
-            assert!(
-                matches!(shape_for(&dag, empty), VariantPayloadShape::Empty),
-                "zero-field Conj payloads are empty variants"
-            );
-        }
-
-        #[test]
-        fn variant_payload_shape_cements_positional_single_payload() {
-            let (mut dag, int_decl) = dag_with_int_decl();
-            let positional = push_payload_decl(&mut dag, "TuplePayload", vec![("_0", int_decl)]);
-            assert!(
-                matches!(
-                    shape_for(&dag, positional),
-                    VariantPayloadShape::PositionalSingle
-                ),
-                "single `_0` field is the positional-single payload convention"
-            );
-        }
-
-        #[test]
-        fn variant_payload_shape_cements_single_named_field_payload() {
-            let (mut dag, int_decl) = dag_with_int_decl();
-            let named_one =
-                push_payload_decl(&mut dag, "NamedOnePayload", vec![("value", int_decl)]);
-            match shape_for(&dag, named_one) {
-                VariantPayloadShape::NamedFields { _0: fields } => {
-                    assert_eq!(fields, vec!["value".to_string()]);
-                }
-                other => panic!("single non-`_0` field must stay named, got {other:?}"),
-            }
-        }
-
-        #[test]
-        fn variant_payload_shape_cements_multi_named_field_payload() {
-            let (mut dag, int_decl) = dag_with_int_decl();
-            let named_many = push_payload_decl(
-                &mut dag,
-                "NamedManyPayload",
-                vec![("left", int_decl), ("right", int_decl)],
-            );
-            match shape_for(&dag, named_many) {
-                VariantPayloadShape::NamedFields { _0: fields } => {
-                    assert_eq!(fields, vec!["left".to_string(), "right".to_string()]);
-                }
-                other => panic!("multi-field payload must stay named, got {other:?}"),
-            }
-        }
-
-        #[test]
-        fn variant_payload_shape_fails_closed_on_missing_declaration() {
-            let (dag, _) = dag_with_int_decl();
-            let missing = DeclarationId::test_raw(u32::MAX);
-            assert!(
-                matches!(
-                    variant_payload_shape(&dag, &missing),
-                    VariantPayloadShapeLookup::DeclarationMissing
-                ),
-                "missing declaration ids are substrate-integrity failures, not not-a-product"
-            );
-        }
-
-        #[test]
-        fn variant_payload_shape_reports_non_product_declaration() {
-            let (mut dag, _) = dag_with_int_decl();
-            let atom = push_atom_decl(&mut dag);
-            assert!(
-                matches!(
-                    variant_payload_shape(&dag, &atom),
-                    VariantPayloadShapeLookup::NotPayloadProduct
-                ),
-                "non-Conj declarations are ordinary non-payload products"
-            );
-        }
-    }
-}
-mod r3_fc_lane2_loop_witness;
-
-pub use cost_basis_declaration::{
-    try_build_per_write_log_cost_basis_declaration, CostBasisDeclarationBuildError,
-};
-pub use dag::{lane2_workflow_idempotency_report, report_unsupported_workflow_variant};
-pub use dag::{Dag, NodeId};
-pub use diagnostics::{Diagnostic, SourceSpan, LAYER1_DIAGNOSTIC_KIND_LABELS};
-pub use emit::{EmitDispatchError, EmitMode, EmitTarget, EmittedSource};
-pub use emit_rust::EmitError;
-/// Lane 2 Stage 2b — supported public surface: [`analyze_workflow`] is the
-/// primary entry; [`report_unsupported_workflow_variant`] and
-/// [`lane2_workflow_idempotency_report`] are additionally exported so
-/// `emit_rust_module(idempotency.dag)` output can link in rustc round-trip
-/// tests. Composition helpers such as `compose_operation_effects` /
-/// `operation_to_breaker` are **not** re-exported: naming and algebra authority
-/// live in `src/v3/std/effects.dag`, and the Rust bridge must not become a
-/// parallel public implementation surface beyond these std.effects mirrors.
-pub use lens_idempotency::analyze_workflow;
-/// Lane 2 Stage 2e — parallel composition safety (`ParallelEffect`); see DB-20.
-pub use lens_parallelism::{analyze_parallelism, loop_iteration_parallel_emission_indicator};
-
-/// Lane 2 Stage 2f — DB-3 dimension abstraction (`std/dimensions.dag` types;
-/// `analyze_symbolic_cost_dimension` is the first migrated lens path).
-pub use dimension::{
-    analyze_complexity, analyze_symbolic_cost_dimension, behavior_spine_in_node_order,
-    violates_subject_diagnostic_span, DimensionReport, ViolatesSubject, Witness,
-};
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum StageSnapshotKind {
-    Surface,
-    Text,
-    Dag,
-}
-
-#[derive(Debug, Clone)]
-pub struct StageSnapshot {
-    pub stage: String,
-    pub kind: StageSnapshotKind,
-    pub bytes: Vec<u8>,
-    pub dag: Option<Dag>,
-}
-
-#[derive(Debug)]
-pub enum StageSnapshotError {
-    Compile(Box<CompileError>),
-    Emit(Box<emit_rust::EmitError>),
-    Pipeline(String),
-}
-
-#[derive(Debug)]
-pub struct FixedPointMismatch {
-    pub stage: String,
-    pub detail: String,
-}
-
-/// Test-only hook: tokenize a source string. Used by the
-/// `real_stdlib_parse_smoke` integration test to verify the parser
-/// accepts production `dsl/std/*.dag` files before bootstrap migration.
-#[doc(hidden)]
-pub fn tokenize_for_test(source: &str, file: &str) -> Result<Vec<tokenize::Token>, Diagnostic> {
-    tokenize::tokenize(source, file)
-}
-
-#[doc(hidden)]
-pub fn token_is_kw_fn_for_test(token: &tokenize::Token) -> bool {
-    matches!(token.kind, tokenize::TokenKind::KwFn)
-}
-
-#[doc(hidden)]
-pub fn token_is_ident_for_test(token: &tokenize::Token, spelling: &str) -> bool {
-    matches!(&token.kind, tokenize::TokenKind::Ident(s) if s == spelling)
-}
-
-/// Test-only hook: parse a token stream into a surface module.
-#[doc(hidden)]
-pub fn parse_for_test(
-    tokens: &[tokenize::Token],
-    file: &str,
-) -> Result<parse::SurfaceModule, Diagnostic> {
-    parse::parse(tokens, file)
-}
-
-/// Test-only hook: top-level `let` binding names in source order.
-#[doc(hidden)]
-pub fn surface_top_level_let_names_for_test(module: &parse::SurfaceModule) -> Vec<String> {
-    module
-        .items
-        .iter()
-        .filter_map(|item| match item {
-            parse::SurfaceItem::Let { name, .. } => Some(name.clone()),
-            _ => None,
-        })
-        .collect()
-}
-
-/// Test hook: pipeline stage identifiers in `compile { ... }` order in
-/// `pipeline.dag` — the same ordering as `materialize_pipeline_realizations`.
-#[doc(hidden)]
-pub fn pipeline_compile_order_stage_names() -> Result<Vec<String>, String> {
-    pipeline_authority::pipeline_compile_order_names(&dag::Dag::new())
-}
-
-/// Top-level compile failure. Distinguishes three structural
-/// categories of failure by phase of the pipeline where they occurred.
-///
-/// **Dissolution receipt: TERMINAL.** Three variants, each with a
-/// structurally distinct payload:
-/// - `Tokenize(Diagnostic)`: tokenization produced a single diagnostic;
-///   no Dag exists yet, so no Dag payload.
-/// - `Parse(Diagnostic)`: parsing produced a single diagnostic; no Dag
-///   exists yet.
-/// - `Semantic(Dag)`: lowering/inference produced one or more
-///   diagnostics; the Dag exists and carries them in its diagnostic
-///   table, so it's handed back as the payload for caller inspection.
-///
-/// The three variants correspond to three structurally different
-/// failure states (no-Dag-yet with a diagnostic vs Dag-with-
-/// diagnostic-table). Pattern 2 (variant-is-data) fails because the
-/// payloads are different types. Pattern 3 (algebraic-form) doesn't
-/// apply — these are failure phases, not algebraic operations.
-///
-/// Guardrail G5: there is no `TypeError` variant. Type errors are
-/// data on the Dag via the diagnostic table, not fields on the
-/// error type. `Semantic(Dag)` is a handoff, not a classification of
-/// what went wrong — the caller reads `dag.diagnostics()` for
-/// specifics. This is what "fail-closed at the boundary" means in
-/// practice: a successful compile returns `Ok(Dag)` with an empty
-/// diagnostic table; a failed compile returns `Err(Semantic(Dag))`
-/// with a non-empty one. There is no third outcome.
-#[allow(clippy::large_enum_variant)]
-#[derive(Debug)]
-pub enum CompileError {
-    Tokenize(diagnostics::Diagnostic),
-    Parse(diagnostics::Diagnostic),
-    /// Semantic errors. The Dag is included so callers can inspect
-    /// `dag.diagnostics()` to see what went wrong. `Err(Semantic(_))`
-    /// means: the compile reached infer, some (>=1) diagnostics were
-    /// produced, and the result is not usable.
-    Semantic(Dag),
-}
-
-// `result_large_err`: clippy flags `Result<Dag, CompileError>`
-// because `CompileError::Semantic(Dag)` carries a `Dag` payload
-// (~264 bytes after the M1(3) PR-B-unwind R1 added the realization
-// meta cache). Boxing the Dag would touch every pattern-match
-// against `CompileError::Semantic` in the test suite, and the
-// payload is on the cold failure path where the indirection would
-// matter less than the API churn. Targeted `allow` on the function
-// signature only — the rest of the crate keeps the lint enforced.
-fn is_lenses_complexity_authority_module(module: &parse::SurfaceModule) -> bool {
-    use crate::parse::SurfaceItem;
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::Module { path, .. }
-                if path.len() >= 2 && path[0] == "lenses" && path[1] == "complexity"
-        )
-    })
-}
-
-fn needs_complexity_lens_authority_prepended(module: &parse::SurfaceModule) -> bool {
-    use crate::parse::SurfaceItem;
-    if is_lenses_complexity_authority_module(module) {
-        return false;
-    }
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::Import { path, .. }
-                if path.len() >= 2 && path[0] == "lenses" && path[1] == "complexity"
-        )
-    })
-}
-
-fn is_lenses_parallelism_authority_module(module: &parse::SurfaceModule) -> bool {
-    use crate::parse::SurfaceItem;
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::Module { path, .. }
-                if path.len() >= 2 && path[0] == "lenses" && path[1] == "parallelism"
-        )
-    })
-}
-
-fn needs_parallelism_lens_authority_prepended(module: &parse::SurfaceModule) -> bool {
-    use crate::parse::SurfaceItem;
-    if is_lenses_parallelism_authority_module(module) {
-        return false;
-    }
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::Import { path, .. }
-                if path.len() >= 2 && path[0] == "lenses" && path[1] == "parallelism"
-        )
-    })
-}
-
-#[allow(clippy::result_large_err)]
-pub fn compile_to_dag(source: &str, file: &str) -> Result<Dag, CompileError> {
-    let tokens = tokenize::tokenize(source, file).map_err(CompileError::Tokenize)?;
-    let surface = parse::parse(&tokens, file).map_err(CompileError::Parse)?;
-    let mut dag = lower::lower_compile_module(
-        &surface,
-        needs_complexity_lens_authority_prepended(&surface),
-        needs_parallelism_lens_authority_prepended(&surface),
-    );
-    infer::infer(&mut dag);
-    r3_fc_lane2_loop_witness::apply_authored_lane2_loop_witness(&mut dag, source, file);
-    if dag.diagnostics().is_empty() {
-        Ok(dag)
-    } else {
-        Err(CompileError::Semantic(dag))
-    }
-}
-
-/// Lower `sources` in order into one bootstrap [`Dag`], then infer.
-///
-/// Hermetic integration harness when the primary module imports `v4.std.*` peers
-/// that M1(2.7) single-file [`compile_to_dag`] cannot load (e.g. `v4.std.patch` for
-/// `ConfigPatchRecord` / `config_patch_layer`). Earlier entries are dependency modules;
-/// the last entry is the primary module under test.
-#[allow(clippy::result_large_err)]
-pub fn compile_to_dag_modules_in_order(sources: &[(&str, &str)]) -> Result<Dag, CompileError> {
-    let (primary_source, primary_file) = sources
-        .last()
-        .expect("compile_to_dag_modules_in_order requires at least one module");
-    let mut dag = Dag::new();
-    let user_start = dag.declarations().len();
-    for (source, file) in sources {
-        let tokens = tokenize::tokenize(source, file).map_err(CompileError::Tokenize)?;
-        let surface = parse::parse(&tokens, file).map_err(CompileError::Parse)?;
-        lower::lower_into(&mut dag, &surface);
-    }
-    lower::finalize_strict_user_lower_range(&mut dag, user_start);
-    infer::infer(&mut dag);
-    r3_fc_lane2_loop_witness::apply_authored_lane2_loop_witness(
-        &mut dag,
-        primary_source,
-        primary_file,
-    );
-    if dag.diagnostics().is_empty() {
-        Ok(dag)
-    } else {
-        Err(CompileError::Semantic(dag))
-    }
-}
-
-/// Structural witness for integer literal range narrowing: the
-/// `IntegerAlgebra` and `TargetCarrier` variant payload [`dag::DeclarationId`]s
-/// used to match rows in `rust_grounding_primitives`, derived from std
-/// `OrderedRing<C>` / `Semiring<C>` by declaration identity (no template-name
-/// string routing).
-pub fn integer_literal_routing_witness(
-    dag: &Dag,
-    declaration: dag::DeclarationId,
-) -> Option<(dag::DeclarationId, dag::DeclarationId)> {
-    int_literal_ranges::integer_routing_witness_for_decl(dag, declaration)
-        .map(|w| (w.algebra_variant_ty, w.carrier_variant_ty))
-}
-
-/// Lower `src/v3/std/parse_surface.dag` for codegen (`regen_parse`, SG-2 staging tests).
-///
-/// Unlike [`compile_to_dag`], this starts from a bootstrap Dag that omits the embedded
-/// `parse_surface.dag` staged fixture so the fresh parse is first-of-name and can be
-/// lowered without duplicate-declaration diagnostics.
-#[allow(clippy::result_large_err)]
-fn compile_onto_parse_surface_free_bootstrap(
-    source: &str,
-    file: &str,
-) -> Result<Dag, CompileError> {
-    let tokens = tokenize::tokenize(source, file).map_err(CompileError::Tokenize)?;
-    let surface = parse::parse(&tokens, file).map_err(CompileError::Parse)?;
-    let mut dag = Dag::new_without_parse_surface_staged_fixture_bootstrap();
-    let user_start = dag.declarations().len();
-    lower::lower_into(&mut dag, &surface);
-    lower::finalize_strict_user_lower_range(&mut dag, user_start);
-    infer::infer(&mut dag);
-    r3_fc_lane2_loop_witness::apply_authored_lane2_loop_witness(&mut dag, source, file);
-    if dag.diagnostics().is_empty() {
-        Ok(dag)
-    } else {
-        Err(CompileError::Semantic(dag))
-    }
-}
-
-#[allow(clippy::result_large_err)]
-pub fn compile_parse_surface_std_authority_dag(
-    source: &str,
-    file: &str,
-) -> Result<Dag, CompileError> {
-    compile_onto_parse_surface_free_bootstrap(source, file)
-}
-
-/// PB-1-a generated snapshot helper: load the committed std-fixture
-/// bootstrap snapshot without re-running tokenize/parse/lower.
-pub fn generated_std_bootstrap_dag() -> Dag {
-    Dag::std_fixture_bootstrap_snapshot()
-}
-
-pub fn generated_full_bootstrap_dag() -> Dag {
-    Dag::new()
-}
-
-pub fn generated_full_bootstrap_without_parse_surface_dag() -> Dag {
-    Dag::new_without_parse_surface_staged_fixture_bootstrap()
-}
-
-pub fn default_fixed_point_source() -> &'static str {
-    "let x: Int = 1 + 2\nlet y: Int = x + 3\n"
-}
-
-pub fn compile_stage_snapshots(
-    source: &str,
-    file: &str,
-) -> Result<Vec<StageSnapshot>, StageSnapshotError> {
-    let pipeline_dag = Dag::new();
-    if !pipeline_dag.diagnostics().is_empty() {
-        return Err(StageSnapshotError::Compile(Box::new(
-            CompileError::Semantic(pipeline_dag),
-        )));
-    }
-    let pipeline = pipeline_authority::ordered_pipeline_stages(&pipeline_dag)
-        .map_err(StageSnapshotError::Pipeline)?;
-
-    let tokens = tokenize::tokenize(source, file)
-        .map_err(CompileError::Tokenize)
-        .map_err(|error| StageSnapshotError::Compile(Box::new(error)))?;
-    let surface = parse::parse(&tokens, file)
-        .map_err(CompileError::Parse)
-        .map_err(|error| StageSnapshotError::Compile(Box::new(error)))?;
-    let parse_bytes = format!("{surface:#?}").into_bytes();
-
-    let mut lower_dag = lower::lower(&surface);
-    let lower_snapshot = lower_dag.clone();
-    let lower_bytes = serialize::serialize_dag(&lower_snapshot);
-
-    infer::infer(&mut lower_dag);
-    if !lower_dag.diagnostics().is_empty() {
-        return Err(StageSnapshotError::Compile(Box::new(
-            CompileError::Semantic(lower_dag.clone()),
-        )));
-    }
-
-    let infer_snapshot = lower_dag.clone();
-    let infer_bytes = serialize::serialize_dag(&infer_snapshot);
-    let emitted = emit::emit(&lower_dag, EmitTarget::Rust)
-        .map(|source| source.text)
-        .map_err(|error| match error {
-            emit::EmitDispatchError::Core(error) => StageSnapshotError::Emit(Box::new(error)),
-            emit::EmitDispatchError::Python(_) => {
-                unreachable!("EmitTarget::Rust cannot yield a Python emission error")
-            }
-        })?;
-
-    let mut snapshots = Vec::with_capacity(pipeline.len());
-    for stage in pipeline {
-        let (kind, bytes, dag) = match stage.stage_name.as_str() {
-            "parse" => (StageSnapshotKind::Surface, parse_bytes.clone(), None),
-            "lower" => (
-                StageSnapshotKind::Dag,
-                lower_bytes.clone(),
-                Some(lower_snapshot.clone()),
-            ),
-            "infer" => (
-                StageSnapshotKind::Dag,
-                infer_bytes.clone(),
-                Some(infer_snapshot.clone()),
-            ),
-            "compute_ownership" => (
-                StageSnapshotKind::Dag,
-                infer_bytes.clone(),
-                Some(infer_snapshot.clone()),
-            ),
-            "lens_complexity" => (
-                StageSnapshotKind::Dag,
-                infer_bytes.clone(),
-                Some(infer_snapshot.clone()),
-            ),
-            "emit" => (StageSnapshotKind::Text, emitted.clone().into_bytes(), None),
-            other => {
-                return Err(StageSnapshotError::Pipeline(format!(
-                    "pipeline stage `{other}` has no Rust snapshot implementation"
-                )));
-            }
-        };
-
-        if !snapshot_kind_matches(stage.snapshot_kind, kind) {
-            return Err(StageSnapshotError::Pipeline(format!(
-                "pipeline stage `{}` declares snapshot kind {:?} but Rust produced {:?}",
-                stage.stage_name, stage.snapshot_kind, kind
-            )));
-        }
-
-        snapshots.push(StageSnapshot {
-            stage: stage.stage_name,
-            kind,
-            bytes,
-            dag,
-        });
-    }
-
-    Ok(snapshots)
-}
-
-pub fn compare_stage_snapshots(
-    lhs: &[StageSnapshot],
-    rhs: &[StageSnapshot],
-) -> Result<(), FixedPointMismatch> {
-    if lhs.len() != rhs.len() {
-        return Err(FixedPointMismatch {
-            stage: "pipeline".to_string(),
-            detail: format!(
-                "stage count mismatch: pass1 has {}, pass2 has {}",
-                lhs.len(),
-                rhs.len()
-            ),
-        });
-    }
-
-    for (left, right) in lhs.iter().zip(rhs.iter()) {
-        if left.stage != right.stage {
-            return Err(FixedPointMismatch {
-                stage: "pipeline".to_string(),
-                detail: format!(
-                    "stage order mismatch: pass1 has `{}`, pass2 has `{}`",
-                    left.stage, right.stage
-                ),
-            });
-        }
-        if left.kind != right.kind {
-            return Err(FixedPointMismatch {
-                stage: left.stage.clone(),
-                detail: format!(
-                    "snapshot kind mismatch at stage `{}`: pass1={:?}, pass2={:?}",
-                    left.stage, left.kind, right.kind
-                ),
-            });
-        }
-        if left.bytes == right.bytes {
-            continue;
-        }
-
-        let detail = match (&left.dag, &right.dag) {
-            (Some(lhs_dag), Some(rhs_dag)) => serialize::first_difference(lhs_dag, rhs_dag)
-                .map(|diff| diff.detail)
-                .unwrap_or_else(|| first_differing_line(&left.bytes, &right.bytes)),
-            _ => first_differing_line(&left.bytes, &right.bytes),
-        };
-        return Err(FixedPointMismatch {
-            stage: left.stage.clone(),
-            detail,
-        });
-    }
-
-    Ok(())
-}
-
-fn snapshot_kind_matches(
-    declared: pipeline_authority::PipelineSnapshotKind,
-    actual: StageSnapshotKind,
-) -> bool {
-    matches!(
-        (declared, actual),
-        (
-            pipeline_authority::PipelineSnapshotKind::Surface,
-            StageSnapshotKind::Surface
-        ) | (
-            pipeline_authority::PipelineSnapshotKind::Dag,
-            StageSnapshotKind::Dag
-        ) | (
-            pipeline_authority::PipelineSnapshotKind::Text,
-            StageSnapshotKind::Text
-        )
-    )
-}
-
-fn first_differing_line(lhs: &[u8], rhs: &[u8]) -> String {
-    let lhs = String::from_utf8_lossy(lhs);
-    let rhs = String::from_utf8_lossy(rhs);
-    for (idx, (left, right)) in lhs.lines().zip(rhs.lines()).enumerate() {
-        if left != right {
-            return format!(
-                "first differing line {}: pass1=`{}`, pass2=`{}`",
-                idx + 1,
-                left,
-                right
-            );
-        }
-    }
-    format!(
-        "snapshot byte-length mismatch: pass1={} bytes, pass2={} bytes",
-        lhs.len(),
-        rhs.len()
-    )
-}
-#[cfg(test)]
-mod tokenize_ascii_parity_tests {
-    use super::tokenize::{byte_matches, ScannerCharClass};
-
-    #[test]
-    fn ascii_byte_class_predicates_match_std_unicode_ascii_boundary() {
-        for byte in 0u8..=127 {
-            assert_eq!(
-                byte_matches(byte, ScannerCharClass::Whitespace),
-                byte.is_ascii_whitespace(),
-                "tokenizer whitespace predicate diverged at byte {byte:#04x}"
-            );
-
-            assert_eq!(
-                byte_matches(byte, ScannerCharClass::Digit),
-                byte.is_ascii_digit(),
-                "tokenizer digit predicate diverged at byte {byte:#04x}"
-            );
-
-            assert_eq!(
-                byte_matches(byte, ScannerCharClass::IdentStart),
-                (byte.is_ascii_alphabetic() || byte == b'_'),
-                "tokenizer ident-start predicate diverged at byte {byte:#04x}"
-            );
-
-            assert_eq!(
-                byte_matches(byte, ScannerCharClass::IdentContinue),
-                (byte.is_ascii_alphanumeric() || byte == b'_'),
-                "tokenizer ident-continue predicate diverged at byte {byte:#04x}"
-            );
-        }
-    }
-}
-
-/// Signed decimal literals (`-` immediately followed by ASCII digits) for
-/// Coercion-Fold interval lowers (`src/v3/spec/rust.dag` Slice B rows).
-#[cfg(test)]
-mod signed_decimal_int_literal_tests {
-    use super::tokenize::{tokenize, TokenKind};
-
-    #[test]
-    fn minus_digits_lexes_as_single_int_lit_i32_min() {
-        let tokens =
-            tokenize("-2147483648", "signed_decimal_int_literal_tests.v3").expect("tokenize");
-        assert!(
-            matches!(tokens.first().map(|t| &t.kind), Some(TokenKind::IntLit(n)) if n == "-2147483648"),
-            "expected `-2147483648` as one token; got {:?}",
-            tokens.first().map(|t| &t.kind)
-        );
-        assert!(
-            matches!(tokens.get(1).map(|t| &t.kind), Some(TokenKind::Eof)),
-            "expected EOF after literal; got {:?}",
-            tokens.get(1).map(|t| &t.kind)
-        );
-    }
-
-    #[test]
-    fn minus_digits_lexes_as_single_int_lit_i64_min() {
-        let tokens =
-            tokenize("-9223372036854775808", "signed_decimal_i64_min.v3").expect("tokenize");
-        assert!(
-            matches!(tokens.first().map(|t| &t.kind), Some(TokenKind::IntLit(n)) if n == "-9223372036854775808"),
-            "expected i64::MIN as one token; got {:?}",
-            tokens.first().map(|t| &t.kind)
-        );
-        assert!(
-            matches!(tokens.get(1).map(|t| &t.kind), Some(TokenKind::Eof)),
-            "expected EOF after literal; got {:?}",
-            tokens.get(1).map(|t| &t.kind)
-        );
-    }
-
-    #[test]
-    fn infix_minus_without_whitespace_stays_binary_minus() {
-        let tokens = tokenize("1-1", "infix_minus.v3").expect("tokenize");
-        assert!(tokens.len() >= 4, "expected literal, minus, literal, EOF");
-        assert!(matches!(&tokens[0].kind, TokenKind::IntLit(s) if s == "1"));
-        assert!(matches!(&tokens[1].kind, TokenKind::Minus));
-        assert!(matches!(&tokens[2].kind, TokenKind::IntLit(s) if s == "1"));
-        assert!(matches!(&tokens[3].kind, TokenKind::Eof));
-    }
-
-    #[test]
-    fn ident_minus_digit_without_whitespace_stays_binary_minus() {
-        let tokens = tokenize("x-1", "ident_minus.v3").expect("tokenize");
-        assert!(tokens.len() >= 4, "expected ident, minus, literal, EOF");
-        assert!(matches!(
-            &tokens[0].kind,
-            TokenKind::Ident(x) if x == "x"
-        ));
-        assert!(matches!(&tokens[1].kind, TokenKind::Minus));
-        assert!(matches!(&tokens[2].kind, TokenKind::IntLit(s) if s == "1"));
-        assert!(matches!(&tokens[3].kind, TokenKind::Eof));
-    }
-
-    #[test]
-    fn unary_minus_after_eq_still_merges_digits() {
-        let tokens = tokenize("=-42", "eq_unary.v3").expect("tokenize");
-        assert!(tokens.len() >= 3, "expected Eq, signed literal, EOF");
-        assert!(matches!(&tokens[0].kind, TokenKind::Eq));
-        assert!(matches!(&tokens[1].kind, TokenKind::IntLit(s) if s == "-42"));
-        assert!(matches!(&tokens[2].kind, TokenKind::Eof));
-    }
-}
-
-/// PB-Runtime / flat-namespace: L1 behavior marker `ValueBehavior` frees bare
-/// `Value` for runtime union carriers (`type Value = …` in user or evaluator DAG).
-#[cfg(test)]
-mod value_behavior_marker_tests {
-    use crate::dag::Dag;
-    use crate::{infer, lower, parse, tokenize};
-
-    #[test]
-    fn runtime_value_decl_coexists_with_value_behavior_marker() {
-        let mut dag = Dag::new();
-        let marker_id = dag.value_marker().expect("ValueBehavior marker cached");
-        let marker_decl = dag
-            .declaration_by_name("ValueBehavior")
-            .expect("ValueBehavior declaration present");
-        assert_eq!(marker_id, marker_decl.id);
-        if let Some(runtime_value) = dag.declaration_by_name("Value") {
-            assert_ne!(
-                runtime_value.id, marker_id,
-                "bootstrap bare `Value` must not alias ValueBehavior marker"
-            );
-            assert_eq!(
-                runtime_value.span.file, "src/v3/std/runtime.dag",
-                "bootstrap bare `Value`, when present, must be the runtime carrier"
-            );
-        }
-
-        let source = "module test.pb_runtime_value_name_smoke\n\ntype UserValue {}\n";
-        let file = "pb_runtime_value_name_smoke.v3";
-        let tokens = tokenize::tokenize(source, file).expect("tokenize");
-        let surface = parse::parse(&tokens, file).expect("parse");
-        let user_start = dag.declarations().len();
-        lower::lower_into(&mut dag, &surface);
-        lower::finalize_strict_user_lower_range(&mut dag, user_start);
-        infer::infer(&mut dag);
-        assert!(
-            dag.diagnostics().is_empty(),
-            "user non-conflicting type should compile onto bootstrap; diagnostics: {:?}",
-            dag.diagnostics()
-        );
-        assert_eq!(
-            dag.value_marker(),
-            Some(marker_id),
-            "marker cache must still resolve ValueBehavior after user declarations land"
-        );
-    }
-}
diff --git a/src/v3/compiler/src/lower.rs b/src/v3/compiler/src/lower.rs
deleted file mode 100644
index 2c0c7737bd7..00000000000
--- a/src/v3/compiler/src/lower.rs
+++ /dev/null
@@ -1,13220 +0,0 @@
-// Surface → Dag lowering.
-//
-// Two-pass. Pass 1 walks all top-level items and allocates placeholder
-// Declarations for each named type/fn, populating a symbol table
-// (name → DeclarationId). Pass 2 fills in each declaration's connective
-// and lowers function/let bodies to L1 behaviors, using the symbol table
-// to resolve identifier references. See M1_DESIGN.md §8.1.
-//
-// Computation-side lowering follows M0 semantics unchanged:
-//
-//   SurfaceLiteral::{Int,Bool,String,Symbol} → Value(LiteralBits::*)
-//   Var (local)              → scope lookup
-//   Var (unresolved)         → placeholder port + ResolveError
-//   Call                     → Transform { target: TransformTarget::Callable(DeclarationId), inputs }
-//   Operator                 → Transform { target: TransformTarget::Operator(OperatorKind), inputs }
-//   If                       → Branch with 2 Paths
-//   Fn item                  → Bind with non-empty params + optional Loop wrapper
-//   Let item                 → Bind with empty params
-//
-// `TransformTarget::Callable` points at a DeclarationId for user
-// function calls and resolved named declarations. `TransformTarget::Operator`
-// carries a structural `OperatorKind` directly — no anonymous stub
-// declaration, no name-based inhabitance walk at infer time.
-
-use std::collections::{HashMap, HashSet};
-use std::str::FromStr;
-
-use num_bigint::BigInt;
-
-use crate::dag::{
-    type_connective_cardinality, ArrowBody, AtomPayload, Behavior, BindEmitParticipation, BindNode,
-    BindNodeId, BranchEmitParticipation, BranchNode, BranchPattern, CardinalityBound, Cluster, Dag,
-    Declaration, DeclarationId, Field, FieldMap, IntraClusterCall, LiteralBits, LoopBound,
-    LoopNode, MemberDescent, NodeId, NominalOpacity, NonEmptyList, NonSingletonList, Path,
-    PayloadBinding, PhantomParameter, PortId, TemplateArgument, TransformNode, TransformTarget,
-    TypeConnective, ValueNode, MAX_PEANO_MATERIALIZATION,
-};
-use crate::diagnostics::{
-    declaration_display_name, witness_correction_for_decl, BootstrapAuthorityKey, Correction,
-    Diagnostic, SourceSpan,
-};
-use crate::infer::{concretize_decl_with_subst, SubstStack};
-use crate::int_literal_ranges::{
-    int_literal_fits_expected_type, integer_range_for_decl, magnitude_out_of_range_for_interval,
-    IntegerRangeLookup,
-};
-use crate::lower_helpers::{pattern_binding_names, surface_item_span};
-use crate::operators::{ArithmeticOp, ComparisonOp, LogicalOp, OperatorKind};
-use crate::parse::expr_span as surface_expr_span;
-use crate::parse::{
-    SurfaceExpr, SurfaceField, SurfaceItem, SurfaceLiteral, SurfaceModule, SurfaceParam,
-    SurfacePattern, SurfacePatternField, SurfaceRecordField, SurfaceType, SurfaceVariant,
-    TypeAngleArg, VariantPayload,
-};
-use crate::types::TypeShape;
-
-type CallableScope = HashMap<String, DeclarationId>;
-const DIMENSION_STD_AUTHORITY_FILE: &str = "src/v3/std/dimensions.dag";
-
-/// Behavioral lens authorities (`complexity_enforceable`, `parallelism_enforceable`, …). Kept
-/// **out** of the embedded `Dag::new` snapshot so rust emit tests are not forced to realize
-/// every lens carrier edge; [`lower_compile_module`] / [`crate::compile_to_dag`] prepend these DAGs before
-/// user lowering when surfaced imports imply them (`lenses.complexity`, `lenses.parallelism`).
-const COMPLEXITY_LENS_AUTHORITY_DAG: &str = include_str!("../../lenses/complexity.dag");
-const COMPLEXITY_LENS_AUTHORITY_FILE: &str = "src/v3/lenses/complexity.dag";
-
-const PARALLELISM_LENS_AUTHORITY_DAG: &str = include_str!("../../lenses/parallelism.dag");
-const PARALLELISM_LENS_AUTHORITY_FILE: &str = "src/v3/lenses/parallelism.dag";
-
-fn append_complexity_lens_authority(dag: &mut Dag) {
-    let tokens = crate::tokenize::tokenize(
-        COMPLEXITY_LENS_AUTHORITY_DAG,
-        COMPLEXITY_LENS_AUTHORITY_FILE,
-    )
-    .unwrap_or_else(|diag| {
-        panic!(
-            "complexity lens authority must tokenize ({COMPLEXITY_LENS_AUTHORITY_FILE}): {diag:?}"
-        )
-    });
-    let module =
-        crate::parse::parse(&tokens, COMPLEXITY_LENS_AUTHORITY_FILE).unwrap_or_else(|diag| {
-            panic!(
-                "complexity lens authority must parse ({COMPLEXITY_LENS_AUTHORITY_FILE}): {diag:?}"
-            )
-        });
-    lower_into(dag, &module);
-}
-
-fn append_parallelism_lens_authority(dag: &mut Dag) {
-    let tokens = crate::tokenize::tokenize(
-        PARALLELISM_LENS_AUTHORITY_DAG,
-        PARALLELISM_LENS_AUTHORITY_FILE,
-    )
-    .unwrap_or_else(|diag| {
-        panic!(
-            "parallelism lens authority must tokenize ({PARALLELISM_LENS_AUTHORITY_FILE}): {diag:?}"
-        )
-    });
-    let module =
-        crate::parse::parse(&tokens, PARALLELISM_LENS_AUTHORITY_FILE).unwrap_or_else(|diag| {
-            panic!(
-                "parallelism lens authority must parse ({PARALLELISM_LENS_AUTHORITY_FILE}): {diag:?}"
-            )
-        });
-    lower_into(dag, &module);
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-struct RecursiveEdge {
-    caller: DeclarationId,
-    callee: DeclarationId,
-}
-
-#[derive(Debug, Clone)]
-struct MutualClusterShape {
-    members: Vec<DeclarationId>,
-    member_names: Vec<String>,
-    per_member_positions: HashMap<DeclarationId, usize>,
-    recursive_edges: HashSet<RecursiveEdge>,
-}
-
-impl MutualClusterShape {
-    fn has_recursive_edge(&self, caller: DeclarationId, callee: DeclarationId) -> bool {
-        self.recursive_edges
-            .contains(&RecursiveEdge { caller, callee })
-    }
-}
-
-#[derive(Debug, Clone)]
-struct InvalidMutualCluster {
-    members: Vec<String>,
-}
-
-#[derive(Debug, Clone, Default)]
-struct MutualRecursionPlans {
-    clusters: Vec<MutualClusterShape>,
-    by_member: HashMap<DeclarationId, usize>,
-    invalid_by_member: HashMap<DeclarationId, InvalidMutualCluster>,
-}
-
-impl MutualRecursionPlans {
-    fn cluster_for_member(&self, member: DeclarationId) -> Option<&MutualClusterShape> {
-        self.by_member
-            .get(&member)
-            .and_then(|idx| self.clusters.get(*idx))
-    }
-}
-
-#[derive(Debug, Clone)]
-struct PendingMutualLoop {
-    bind_id: Option<NodeId>,
-    source: PortId,
-    body_port: PortId,
-    loop_output: PortId,
-    body_root: Option<NodeId>,
-    span: SourceSpan,
-}
-
-#[derive(Debug, Default)]
-struct MutualClusterBuildState {
-    pending_loops: HashMap<DeclarationId, PendingMutualLoop>,
-    intra_cluster_transform_ids: Vec<NodeId>,
-}
-
-#[derive(Debug, Default)]
-struct MutualRecursionState {
-    clusters: Vec<MutualClusterBuildState>,
-}
-
-impl MutualRecursionState {
-    fn new(plans: &MutualRecursionPlans) -> Self {
-        Self {
-            clusters: (0..plans.clusters.len())
-                .map(|_| MutualClusterBuildState::default())
-                .collect(),
-        }
-    }
-}
-
-fn declaration_name_preference_rank(file: &str) -> usize {
-    if file.starts_with("src/v3/") {
-        2
-    } else if file.starts_with("dsl/") {
-        0
-    } else {
-        1
-    }
-}
-
-#[derive(Default)]
-struct ScopeState {
-    values: HashMap<String, PortId>,
-    callables: CallableScope,
-}
-
-struct LambdaLoweringContext<'a> {
-    dag: &'a mut Dag,
-    scope: &'a HashMap<String, PortId>,
-    callable_scope: &'a CallableScope,
-    symbols: &'a HashMap<String, DeclarationId>,
-}
-
-pub fn lower(module: &SurfaceModule) -> Dag {
-    lower_compile_module(module, false, false)
-}
-
-/// Prepends lens authority subgraphs requested by surfaced imports (`lenses.complexity`,
-/// `lenses.parallelism`) ahead of lowering `module` — mirrors gate #92 (complexity). Kept **out**
-/// of [`Dag::new`] / [`lower`] defaults so callers that omit those imports avoid loading unrelated
-/// lens carriers.
-pub(crate) fn lower_compile_module(
-    module: &SurfaceModule,
-    prepend_complexity_lens_authority: bool,
-    prepend_parallelism_lens_authority: bool,
-) -> Dag {
-    let mut dag = Dag::new();
-    if prepend_complexity_lens_authority {
-        append_complexity_lens_authority(&mut dag);
-    }
-    if prepend_parallelism_lens_authority {
-        append_parallelism_lens_authority(&mut dag);
-    }
-    let user_start = if prepend_complexity_lens_authority || prepend_parallelism_lens_authority {
-        dag.seal_prepended_authority_fixture_range();
-        dag.post_bootstrap_declaration_append_begin() as usize
-    } else {
-        dag.declarations().len()
-    };
-    lower_into(&mut dag, module);
-    finalize_strict_user_lower_range(&mut dag, user_start);
-    dag
-}
-
-/// Strict identifier resolution + unparsed-scaffold rejection for declarations
-/// allocated at or after `strict_from` (the user module range after bootstrap).
-pub(crate) fn finalize_strict_user_lower_range(dag: &mut Dag, strict_from: usize) {
-    // User-module sweep: every Identifier stub allocated during
-    // `lower_into` (id >= strict_from) must resolve, or it becomes a
-    // fail-closed ResolveError. Stubs in the bootstrap range are
-    // resolved opportunistically but tolerated — the canonical std/
-    // files (`dsl/std/algebra.dag`, etc.) have dangling references to
-    // types that live in std/ modules outside the M1(2.6) load set
-    // (e.g., `Tuple`), and those aren't user errors.
-    resolve_pending_identifiers_strict(dag, strict_from);
-    // User-mode scaffold rejection: `FnExternalBody` /
-    // `ArrowBody::Unparsed` and `Data` / `ValueBody::Unparsed`
-    // are load-bearing scaffolds for the std/bootstrap files
-    // whose bodies the M1(2.8) parser cannot yet lower
-    // (match / record literals / lambdas / etc.), and for staged `.dag`
-    // brace `fn` bodies that intentionally stay on the `FnExternalBody`
-    // parse path (see `Parser::fn_brace_body_parse_as_expression`).
-    // User-range declarations that rely on the scaffold are
-    // fail-closed: ordinary user code has no business shipping
-    // an opaque body the compiler cannot validate. Without this
-    // sweep, `fn foo(x: Int) -> Int { junk }` would compile
-    // cleanly and callers would get Resolved types from an
-    // unvalidated body.
-    reject_user_unparsed_scaffolds(dag, strict_from);
-}
-
-/// Lower a surface module into an existing Dag as a single-shot call.
-/// Used by user-code compilation (`lower()` above) where there's only
-/// one module in the pass. Bootstrap calls
-/// `collect_symbols_phase` + `lower_bodies_phase` separately so it can
-/// run phase 1 over ALL std/ files before phase 2 on any of them,
-/// which is required for cross-file forward references (e.g.,
-/// `bit.dag`'s `Word64 { bytes: List<Byte> }` references `List` from
-/// `types.dag`, which loads later).
-pub(crate) fn lower_into(dag: &mut Dag, module: &SurfaceModule) {
-    let (symbols, is_first) = collect_symbols_phase(dag, &module.items);
-    lower_bodies_phase(dag, module, &symbols, &is_first);
-}
-
-/// Phase 1 of two-phase lowering. Allocates placeholder declarations
-/// and TypeParam children for every top-level named item in `items`,
-/// updates the declaration table in place, and returns the symbols
-/// map plus the duplicate-detection vector. Safe to call multiple
-/// times for different modules — later calls seed their symbols from
-/// earlier calls' declarations, so cross-module forward references
-/// resolve via `resolve_pending_identifiers` at the end of phase 2.
-pub(crate) fn collect_symbols_phase(
-    dag: &mut Dag,
-    items: &[SurfaceItem],
-) -> (HashMap<String, DeclarationId>, Vec<bool>) {
-    collect_symbols(dag, items)
-}
-
-/// Phase 2 of two-phase lowering. Given the already-allocated
-/// placeholder declarations + type_params from phase 1, fills in each
-/// item's connective and emits any behavior sub-DAGs. Intentionally
-/// does NOT run `resolve_pending_identifiers` — bootstrap batches the
-/// sweep across all files, and the user-code `lower()` entry point
-/// runs the strict sweep itself.
-pub(crate) fn lower_bodies_phase(
-    dag: &mut Dag,
-    module: &SurfaceModule,
-    symbols: &HashMap<String, DeclarationId>,
-    is_first: &[bool],
-) {
-    seed_function_signatures_phase(dag, &module.items, symbols, is_first);
-    let mut scope = ScopeState::default();
-    let empty_mutual_recursion = MutualRecursionPlans::default();
-    let mut empty_mutual_state = MutualRecursionState::default();
-    // DB-10 (3a.2) ordering: dependency-ordered pre-passes so
-    // references to top-level declarations resolve independent of
-    // source order.
-    //
-    //   Pass 1: types (TypeRecord / TypeSum / TypeAlias / TypeAtom)
-    //           — pure type connectives; don't reference values.
-    //   Pass 2: data (SurfaceItem::Data) — depend on types for
-    //           inhabitance checking; populate `value_body` so later
-    //           fn-body `SurfaceExpr::Var` lookups find it.
-    //   Pass 3: everything else in source order (fns, let, modules).
-    //           Types and data are skipped here because they were
-    //           lowered in the pre-passes.
-    //
-    // Without pass 2, a fn body referencing a later-declared `data`
-    // item (e.g. `fn f() -> Int = answer` followed by
-    // `data answer: Int = 42`) would resolve `answer` to a
-    // declaration whose `value_body` is still `None` and fall
-    // through to the unresolved diagnostic — order-dependent name
-    // resolution.
-    let pending_refined_function_refs =
-        pending_refined_function_refs(&module.items, symbols, is_first);
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        if matches!(
-            item,
-            SurfaceItem::TypeRecord { .. }
-                | SurfaceItem::TypeSum { .. }
-                | SurfaceItem::TypeAlias { .. }
-                | SurfaceItem::TypeAtom { .. }
-        ) {
-            validate_dimension_phantom_surface_item(dag, item);
-            scope = lower_item(
-                item,
-                dag,
-                scope,
-                symbols,
-                &empty_mutual_recursion,
-                &mut empty_mutual_state,
-            );
-        }
-    }
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        if let SurfaceItem::Data {
-            name,
-            ty,
-            body: Some(SurfaceExpr::Lambda { .. }),
-            ..
-        } = item
-        {
-            initialize_data_declaration_type(name, ty, dag, symbols);
-        }
-    }
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        if let SurfaceItem::Data {
-            name,
-            ty,
-            body,
-            body_span,
-            ..
-        } = item
-        {
-            if matches!(body, Some(SurfaceExpr::Lambda { .. })) {
-                continue;
-            }
-            let mut data_ctx = DataLoweringContext {
-                dag,
-                symbols,
-                pending_refined_function_refs: &pending_refined_function_refs,
-                invalid_data_lambda_cluster: None,
-            };
-            lower_data_item(name, ty, body.as_ref(), body_span, &mut data_ctx);
-        }
-    }
-    let mutual_recursion = compute_mutually_recursive(&module.items, dag, symbols, is_first);
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        if let SurfaceItem::Data {
-            name,
-            ty,
-            body: Some(body @ SurfaceExpr::Lambda { .. }),
-            body_span,
-            ..
-        } = item
-        {
-            let mut data_ctx = DataLoweringContext {
-                dag,
-                symbols,
-                pending_refined_function_refs: &pending_refined_function_refs,
-                invalid_data_lambda_cluster: mutual_recursion.invalid_by_member.get(&symbols[name]),
-            };
-            lower_data_item(name, ty, Some(body), body_span, &mut data_ctx);
-        }
-    }
-    // DB-11 (3a.3) phase-ordered refinement lowering. Runs AFTER the
-    // data pre-pass so predicates referencing top-level `data`
-    // constants resolve against lowered declarations, not placeholders.
-    // Sole caller of `lower_parameter_refinement` for parameter
-    // `where` clauses (single construction authority).
-    lower_parameter_refinements_phase(dag, module, symbols, is_first);
-    lower_type_alias_refinements_phase(dag, module, symbols, is_first);
-    validate_scalar_data_refinements_phase(dag, module, symbols, is_first);
-    let mut mutual_state = MutualRecursionState::new(&mutual_recursion);
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            // Duplicate declaration — skipped at lower time so the
-            // first-of-name's filled connective is not overwritten.
-            // `collect_symbols` already emitted a fail-closed
-            // diagnostic for the duplicate.
-            continue;
-        }
-        // Types + Data lowered in the pre-passes above; skip here
-        // so their lowering doesn't run twice.
-        if matches!(
-            item,
-            SurfaceItem::Data { .. }
-                | SurfaceItem::TypeRecord { .. }
-                | SurfaceItem::TypeSum { .. }
-                | SurfaceItem::TypeAlias { .. }
-                | SurfaceItem::TypeAtom { .. }
-        ) {
-            continue;
-        }
-        scope = lower_item(
-            item,
-            dag,
-            scope,
-            symbols,
-            &mutual_recursion,
-            &mut mutual_state,
-        );
-    }
-    finalize_mutual_clusters(dag, &mutual_recursion, &mutual_state);
-}
-
-fn finalize_mutual_clusters(
-    dag: &mut Dag,
-    mutual_recursion: &MutualRecursionPlans,
-    mutual_state: &MutualRecursionState,
-) {
-    for (cluster_index, cluster_plan) in mutual_recursion.clusters.iter().enumerate() {
-        let Some(build_state) = mutual_state.clusters.get(cluster_index) else {
-            continue;
-        };
-        if build_state.pending_loops.len() != cluster_plan.members.len() {
-            fail_mutual_cluster_build(
-                dag,
-                build_state,
-                cluster_plan,
-                "not every cluster member produced a pending loop witness",
-            );
-            continue;
-        }
-
-        let members: Vec<MemberDescent> = cluster_plan
-            .members
-            .iter()
-            .filter_map(|member_decl| {
-                let pending_loop = build_state.pending_loops.get(member_decl)?;
-                let bind_id = pending_loop.bind_id?;
-                let slot = *cluster_plan.per_member_positions.get(member_decl)?;
-                dag.param_of(bind_id, slot)
-                    .map(|param| MemberDescent { param })
-            })
-            .collect();
-        let intra_cluster_calls: Vec<IntraClusterCall> = build_state
-            .intra_cluster_transform_ids
-            .iter()
-            .copied()
-            .filter_map(|transform_id| {
-                dag.as_transform_ref(transform_id)
-                    .map(|transform| IntraClusterCall { transform })
-            })
-            .collect();
-
-        let Some(member_list) = NonSingletonList::from_vec(members) else {
-            fail_mutual_cluster_build(
-                dag,
-                build_state,
-                cluster_plan,
-                "member descent witnesses could not be materialized",
-            );
-            continue;
-        };
-        let Some(call_list) = NonEmptyList::from_vec(intra_cluster_calls) else {
-            fail_mutual_cluster_build(
-                dag,
-                build_state,
-                cluster_plan,
-                "lowered bodies did not produce any intra-cluster calls",
-            );
-            continue;
-        };
-
-        let cluster_id = dag.push_cluster(Cluster {
-            members: member_list,
-            intra_cluster_calls: call_list,
-        });
-        for member_decl in &cluster_plan.members {
-            let Some(pending_loop) = build_state.pending_loops.get(member_decl) else {
-                continue;
-            };
-            let loop_id = dag.alloc_node_id();
-            dag.set_port_producer(pending_loop.loop_output, Some(loop_id));
-            dag.push_node(Behavior::Loop(LoopNode {
-                id: loop_id,
-                source: pending_loop.source,
-                init: pending_loop.source,
-                body: pending_loop.body_root.unwrap_or(loop_id),
-                bound: LoopBound::Descent {
-                    cluster: cluster_id,
-                    measure: pending_loop.source,
-                },
-                output: pending_loop.loop_output,
-                span: pending_loop.span.clone(),
-            }));
-            if let Some(bind_id) = pending_loop.bind_id {
-                dag.patch_bind_value(bind_id, pending_loop.loop_output);
-            }
-        }
-    }
-}
-
-fn fail_mutual_cluster_build(
-    dag: &mut Dag,
-    build_state: &MutualClusterBuildState,
-    cluster_plan: &MutualClusterShape,
-    detail: &str,
-) {
-    let members = cluster_plan.member_names.join(", ");
-    let reason = format!("cannot finalize mutual recursion cluster [{members}]: {detail}");
-    for pending_loop in build_state.pending_loops.values() {
-        dag.mark_unresolved(
-            pending_loop.body_port,
-            Diagnostic::ResolveError {
-                name: reason.clone(),
-                span: pending_loop.span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-        dag.mark_unresolved(
-            pending_loop.loop_output,
-            Diagnostic::ResolveError {
-                name: reason.clone(),
-                span: pending_loop.span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-    }
-}
-
-fn seed_function_signatures_phase(
-    dag: &mut Dag,
-    items: &[SurfaceItem],
-    symbols: &HashMap<String, DeclarationId>,
-    is_first: &[bool],
-) {
-    for (idx, item) in items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        match item {
-            SurfaceItem::Fn {
-                name,
-                params,
-                return_type,
-                ..
-            } => {
-                seed_function_signature(name, params, return_type, ArrowBody::Pending, dag, symbols)
-            }
-            SurfaceItem::FnExternalBody {
-                name,
-                params,
-                return_type,
-                body_span,
-                ..
-            } => seed_function_signature(
-                name,
-                params,
-                return_type,
-                ArrowBody::Unparsed(body_span.clone()),
-                dag,
-                symbols,
-            ),
-            _ => {}
-        }
-    }
-}
-
-fn pending_refined_function_refs(
-    items: &[SurfaceItem],
-    symbols: &HashMap<String, DeclarationId>,
-    is_first: &[bool],
-) -> HashSet<DeclarationId> {
-    items
-        .iter()
-        .enumerate()
-        .filter(|(idx, _)| is_first[*idx])
-        .filter_map(|(_, item)| match item {
-            SurfaceItem::Fn { name, params, .. }
-            | SurfaceItem::FnExternalBody { name, params, .. }
-                if params.iter().any(|param| param.refinement.is_some()) =>
-            {
-                symbols.get(name).copied()
-            }
-            _ => None,
-        })
-        .collect()
-}
-
-fn rejected_data_lambda_connective(
-    name: &str,
-    connective: TypeConnective,
-    diagnostic: Diagnostic,
-    span: &SourceSpan,
-    dag: &mut Dag,
-) -> TypeConnective {
-    let TypeConnective::Arrow { inputs, output, .. } = connective else {
-        return connective;
-    };
-    let bind_params: Vec<PortId> = inputs
-        .iter()
-        .map(|input| {
-            let port = dag.alloc_port(None);
-            if let Ok(shape) = declaration_to_port_shape(*input, dag, span) {
-                dag.set_port_type(port, shape);
-            }
-            port
-        })
-        .collect();
-    let err_port = dag.alloc_port(None);
-    dag.mark_unresolved(err_port, diagnostic);
-    let bind_id = dag.alloc_node_id();
-    dag.push_node(Behavior::Bind(BindNode {
-        id: bind_id,
-        name: name.to_string(),
-        value: err_port,
-        params: bind_params,
-        span: span.clone(),
-        lane2_workflow: None,
-        emit_participation: Some(BindEmitParticipation::UserCallable),
-    }));
-    let Some(body_id) = BindNodeId::from_bind_node(dag, bind_id) else {
-        return TypeConnective::Arrow {
-            inputs,
-            output,
-            body: ArrowBody::NoBody,
-        };
-    };
-    TypeConnective::Arrow {
-        inputs,
-        output,
-        body: ArrowBody::UserDefined(body_id),
-    }
-}
-
-/// DB-11 (3a.3): allocate the predicate `Declaration` for a `where`
-/// refinement (parameter or type-alias RHS). `bind_name` is the sole
-/// `SurfaceExpr::Var` binding installed in the predicate scope:
-///
-/// - **Function parameters:** `bind_name` is the parameter identifier (e.g.
-///   `d` in `d: Int where d != 0`).
-/// - **Type-alias RHS:** `bind_name` is the **alias's declared name**, not a
-///   fresh synthetic parameter. Surface rule: the refined value is referred to
-///   by the same identifier as the alias itself, e.g.
-///   `type PositiveInt = Int where PositiveInt > 0` — `PositiveInt` in the
-///   predicate names the subject of type `Int` (the alias's RHS base). This is
-///   deliberate user-facing semantics, not an implementation accident; see
-///   `test_db11_type_alias_where_survives_parse_and_lower` in
-///   `m2_feature_parity_test.rs`.
-///
-/// In every call, `bind_name` is the surface spelling the author uses for the
-/// **value being refined**; it is not a second name for the type. The single
-/// `Var` in scope is bound to a port of shape `base_decl_id` (the base type
-/// for that value).
-///
-/// When `registry_synthesized_body` is true, the predicate `Bind` is tagged
-/// `<registry-refinement:{bind_name}>` so downstream literal discharge can
-/// distinguish registry ladder bodies from user-written refinements (same
-/// fragment shapes must not imply discharge equivalence).
-fn build_refinement_predicate_declaration(
-    base_decl_id: DeclarationId,
-    predicate: &SurfaceExpr,
-    bind_name: &str,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    subject_span: SourceSpan,
-    registry_synthesized_body: bool,
-) -> DeclarationId {
-    let pred_span = surface_expr_span(predicate).clone();
-    let pred_param_port = dag.alloc_port(None);
-    match declaration_to_port_shape(base_decl_id, dag, &subject_span) {
-        Ok(shape) => dag.set_port_type(pred_param_port, shape),
-        Err(diag) => dag.mark_unresolved(pred_param_port, diag),
-    }
-
-    let mut pred_scope: HashMap<String, PortId> = HashMap::new();
-    pred_scope.insert(bind_name.to_string(), pred_param_port);
-    let pred_callable_scope: CallableScope = CallableScope::new();
-    let bool_decl_id = symbols
-        .get("Bool")
-        .copied()
-        .unwrap_or_else(|| alloc_identifier_stub(dag, "Bool", &pred_span));
-    let pred_value_port = lower_expr(
-        predicate,
-        dag,
-        &pred_scope,
-        &pred_callable_scope,
-        symbols,
-        Some(bool_decl_id),
-    );
-
-    let bind_id = dag.alloc_node_id();
-    let bind_tag = if registry_synthesized_body {
-        format!("<registry-refinement:{bind_name}>")
-    } else {
-        format!("<refinement:{bind_name}>")
-    };
-    dag.push_node(Behavior::Bind(BindNode {
-        id: bind_id,
-        name: bind_tag,
-        value: pred_value_port,
-        params: vec![pred_param_port],
-        span: pred_span.clone(),
-        lane2_workflow: None,
-        emit_participation: None,
-    }));
-
-    let pred_decl_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: pred_decl_id,
-        name: None,
-        connective: TypeConnective::Arrow {
-            inputs: vec![base_decl_id],
-            output: bool_decl_id,
-            body: ArrowBody::UserDefined(
-                BindNodeId::from_bind_node(dag, bind_id)
-                    .expect("UserDefined Arrow body bind id must point at a Bind"),
-            ),
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: pred_span,
-    });
-    pred_decl_id
-}
-
-/// Argument-shape contract for a registered predicate. Matched against the
-/// parsed `SurfaceExpr` at the predicate's call position. See [`KNOWN_PREDICATES`]
-/// for the full registry doc + the substrate-fact-introduction receipt.
-// 🟢 TERMINAL — implementation-layer coproduct over the parsed `SurfaceExpr`
-// shapes that registered `where`-predicates may legitimately carry. Each
-// variant is anchored in a parser-fact (`Bare` ↔ `SurfaceExpr::Var`;
-// `SingleStringLiteral` ↔ `SurfaceExpr::Call { args: [Literal::String(_)] }`;
-// `NumericRecord` ↔ `Call { args: [Record { fields: [Int-literal-fields] }] }`)
-// — not a scaffold to dissolve. Variant set grows when a new predicate enters
-// `KNOWN_PREDICATES` with a different parsed-arg shape.
-#[derive(Debug, Clone, Copy)]
-enum PredicateArgShape {
-    /// Bare predicate — no argument list, must parse as `SurfaceExpr::Var`.
-    /// E.g. `non_empty`, `gt_zero`.
-    Bare,
-    /// Single string-literal argument — `SurfaceExpr::Call { args: [Literal::String(_)] }`.
-    /// E.g. `brand("…")`.
-    SingleStringLiteral,
-    /// Record-shape with named numeric-literal fields. At least one of the
-    /// listed fields must be present; all present fields must be integer
-    /// literals. E.g. `range(min: N)` / `range(min: N, max: M)`.
-    NumericRecord {
-        accepted_fields: &'static [&'static str],
-        require_at_least_one: bool,
-    },
-}
-
-struct PredicateSpec {
-    name: &'static str,
-    allowed_carriers: &'static [&'static str],
-    arg_shape: PredicateArgShape,
-}
-
-/// **Predicate registry** (S9 Slice 2.5 — Path 3 RATIFIED at gunbc#828
-/// `issuecomment-4390333451`; Path (a) extension RATIFIED at gunbc#828
-/// `issuecomment-4390760353`). Authoritative set of predicate identifiers
-/// recognized by `where`-sugar refinements. Each entry pairs the predicate
-/// name with its **allowed carrier types** (the set of base-type names a
-/// `where <predicate>(…)` clause may legitimately refine) and its
-/// **`arg_shape`** contract (the parsed `SurfaceExpr` shape the predicate's
-/// call position must match).
-///
-/// **Validation outcomes** (see [`PredicateValidation`] / [`validate_where_clause`]):
-/// - Registered name + allowed carrier + matching arg shape → placeholder
-///   refinement via [`alloc_registered_refinement_placeholder`] (refinement
-///   is *named* at the declaration level — P3 facts-flow-forward — without
-///   requiring a lowered `Bool` predicate body).
-/// - Registered name but disallowed carrier OR malformed arg shape →
-///   [`PredicateValidation::RegisteredButMalformed`]; the call site emits
-///   `Diagnostic::ResolveError` directly via `report_declaration_error`
-///   (fail-closed per Codex/openai-pro REQUEST_CHANGES at PR #1846).
-/// - Unregistered name → fall through to live resolution in
-///   [`build_refinement_predicate_declaration`] (which emits its own
-///   `Diagnostic::ResolveError` if the name does not resolve as a callable).
-///
-/// Replaces the prior PB-1 file-path special case
-/// (`span.file == "dsl/std/types.dag"`) — the asymmetry that motivated this
-/// slice. Per `feedback_no_textual_enforcement_bridges`: gating structural
-/// behavior on a textual file identifier was the anti-pattern; gating on
-/// whether the predicate name is registered AND carrier-compatible AND
-/// arg-shape-matched is the substrate-faithful authority.
-///
-/// **DFS-of-concept-DAG receipt** (proud-lynx-311 pre-flight grep at
-/// `gunbc#1746 issuecomment-4390253616` + brief `docs/briefs/r3-substrate-s9-slice-2-5-predicate-registry-worker.md`
-/// authority audit): no parallel predicate-registry exists under another
-/// name; this constant IS the substrate-fact-introduction.
-const KNOWN_PREDICATES: &[PredicateSpec] = &[
-    // Pre-existing types.dag predicates absorbed via the prior PB-1 shim.
-    // `allowed_carriers` derived from the surface usage at `dsl/std/types.dag`
-    // pre-PR; the registry now enforces structurally what the file-path shim
-    // tolerated by location.
-    //
-    // **Pattern / format / content REMOVED from the registry** per Director
-    // Option A revised RATIFIED at gunbc#828 `issuecomment-4392245968`:
-    // these predicates needed regex-primitive substrate that doesn't exist
-    // (`Q-Regex-Primitive`); rather than ride a placeholder-with-named-trigger
-    // bridge through this slice, they are structurally absent until
-    // `Q-Regex-Primitive` lands. User-code `where pattern(...)` (or
-    // format/content) now falls through to live resolution and surfaces a
-    // `Diagnostic::ResolveError` naming the unblock dependency. The 12
-    // types.dag declarations that previously used these predicates have
-    // dropped their where-clauses with inline-comment receipts pointing at
-    // the Q-Regex restoration path.
-    PredicateSpec {
-        name: "range",
-        allowed_carriers: &["Int", "Nat"],
-        arg_shape: PredicateArgShape::NumericRecord {
-            accepted_fields: &["min", "max"],
-            require_at_least_one: true,
-        },
-    },
-    PredicateSpec {
-        name: "non_empty",
-        allowed_carriers: &["String", "Secret", "List"],
-        arg_shape: PredicateArgShape::Bare,
-    },
-    PredicateSpec {
-        // `brand` is the most-frequently-applied predicate in `types.dag`;
-        // it tags any nominal carrier with a brand identity. Allowed carriers
-        // span every type that carries a brand in the existing surface.
-        name: "brand",
-        allowed_carriers: &[
-            "NonEmptyStr",
-            "String",
-            "FilePath",
-            "Unit",
-            "Int",
-            "Nat",
-            "Secret",
-        ],
-        arg_shape: PredicateArgShape::SingleStringLiteral,
-    },
-    // S9 Slice 2.5 new primitive (Director Option 2 ratification at
-    // gunbc#828 issuecomment-4390199218). `gt_zero` IS the reason for "Nat
-    // without zero" / "Nat above structural bound"; intrinsic to Nat and
-    // generalizes over Int.
-    PredicateSpec {
-        name: "gt_zero",
-        allowed_carriers: &["Nat", "Int"],
-        arg_shape: PredicateArgShape::Bare,
-    },
-    // Unicode scalar value over `Int`: U+0000..U+D7FF ∪ U+E000..U+10FFFF
-    // (excludes surrogate pair code units U+D800..U+DFFF). Single-interval
-    // `range(max: 0x10FFFF)` is intentionally **not** used — it admits
-    // surrogates and contradicts `String = FreeMonoid<Char>` modeling.
-    PredicateSpec {
-        name: "unicode_scalar",
-        allowed_carriers: &["Int"],
-        arg_shape: PredicateArgShape::Bare,
-    },
-];
-
-fn predicate_spec(name: &str) -> Option<&'static PredicateSpec> {
-    KNOWN_PREDICATES.iter().find(|spec| spec.name == name)
-}
-
-/// Walk an alias chain (`Atom::ResolvedByStructure` / `Atom::ResolvedByName` /
-/// `Instantiation`) collecting every *named* declaration encountered.
-/// Returns the names of every level in the chain — both the immediate alias
-/// and any transitive aliases — so a predicate like `brand` over
-/// `NonEmptyStr` matches because `NonEmptyStr` itself is allowed (alias chain
-/// doesn't need to bottom out at `String`).
-fn carrier_chain_names(dag: &Dag, decl_id: DeclarationId) -> Vec<String> {
-    let mut out = Vec::new();
-    let mut current = decl_id;
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        if let Some(name) = decl.name.as_deref() {
-            out.push(name.to_string());
-        }
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            _ => break,
-        }
-    }
-    out
-}
-
-/// Follow only `Atom(ResolvedByName)` edges — bounded forward walk (INVARIANTS
-/// §P3/P4). Same discipline as [`carrier_chain_names`] (which also caps hops);
-/// this helper is for template resolution where only import stubs use `ResolvedByName`.
-///
-/// Returns `None` when more than `max_depth` consecutive `ResolvedByName` edges
-/// remain (cycle or excessive depth).
-fn follow_resolved_by_name_bounded(
-    dag: &Dag,
-    mut id: DeclarationId,
-    max_depth: usize,
-) -> Option<DeclarationId> {
-    for _ in 0..max_depth {
-        match &dag.declaration(id).connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => id = *next,
-            _ => return Some(id),
-        }
-    }
-    match &dag.declaration(id).connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByName(_)) => None,
-        _ => Some(id),
-    }
-}
-
-/// Outcome of validating a single registered-predicate clause against
-/// [`KNOWN_PREDICATES`]. Path (a) RATIFIED at gunbc#828
-/// `issuecomment-4390760353`: registered predicates must validate carrier
-/// **and** argument shape; mismatches fail-closed via `Diagnostic::ResolveError`
-/// rather than silently take a placeholder.
-//
-// 🟢 TERMINAL — implementation-layer coproduct over the three outcomes
-// `validate_where_clause` produces: registered+valid (placeholder/synthesis
-// path), registered+malformed (fail-closed diagnostic), unregistered
-// (fall-through to live resolution). Not a scaffold; the three outcomes are
-// the structural surface of registry dispatch.
-enum PredicateValidation {
-    /// Predicate name is registered, carrier is allowed, and argument shape
-    /// matches the spec. Eligible for placeholder allocation.
-    Registered,
-    /// Predicate name is registered but the call is malformed (wrong carrier
-    /// or arg shape). Caller emits `Diagnostic::ResolveError` directly via
-    /// `report_declaration_error` and skips refinement allocation
-    /// (fail-closed; no placeholder, no live-resolution fallback).
-    RegisteredButMalformed { reason: String, span: SourceSpan },
-    /// Predicate name is not in the registry. Falls through to live
-    /// resolution unchanged (existing `build_refinement_predicate_declaration`
-    /// path emits `Diagnostic::ResolveError` if the name does not resolve).
-    NotRegistered,
-}
-
-/// Validate a single predicate-position `SurfaceExpr` against the registry.
-fn validate_predicate_clause(expr: &SurfaceExpr, carrier_chain: &[String]) -> PredicateValidation {
-    let (predicate_name, predicate_span) = match expr {
-        SurfaceExpr::Call { target, span, .. } => (target.as_str(), span.clone()),
-        SurfaceExpr::Var { name, span } => (name.as_str(), span.clone()),
-        _ => return PredicateValidation::NotRegistered,
-    };
-    let Some(spec) = predicate_spec(predicate_name) else {
-        return PredicateValidation::NotRegistered;
-    };
-    let carrier_ok = spec
-        .allowed_carriers
-        .iter()
-        .any(|allowed| carrier_chain.iter().any(|name| name == allowed));
-    if !carrier_ok {
-        return PredicateValidation::RegisteredButMalformed {
-            reason: format!(
-                "predicate `{predicate_name}` requires a carrier in {{{}}}; \
-                 base-type chain has none of those (chain: {})",
-                spec.allowed_carriers.join(", "),
-                if carrier_chain.is_empty() {
-                    "<unnamed>".to_string()
-                } else {
-                    carrier_chain.join(" → ")
-                }
-            ),
-            span: predicate_span,
-        };
-    }
-    if let Some(reason) = arg_shape_mismatch(spec, expr) {
-        return PredicateValidation::RegisteredButMalformed {
-            reason,
-            span: predicate_span,
-        };
-    }
-    PredicateValidation::Registered
-}
-
-/// Check whether the call shape at `expr` matches `spec.arg_shape`. Returns
-/// `Some(reason)` if malformed.
-fn arg_shape_mismatch(spec: &PredicateSpec, expr: &SurfaceExpr) -> Option<String> {
-    let predicate_name = spec.name;
-    match (&spec.arg_shape, expr) {
-        // Bare predicates accept ONLY the bare-ident `SurfaceExpr::Var` shape.
-        // `gt_zero()` (zero-arg Call) is a different surface — explicit empty
-        // call list — and is rejected per Codex BLOCKING at PR #1846
-        // (S9 Slice 2.5 Path (a) cement: bare-predicate shape contract is
-        // strictly the bare-ident form, not zero-arg-call-compatible).
-        (PredicateArgShape::Bare, SurfaceExpr::Var { .. }) => None,
-        (PredicateArgShape::Bare, _) => Some(format!(
-            "predicate `{predicate_name}` is bare; use the bare-ident form \
-             `{predicate_name}` (no parentheses, no arguments)"
-        )),
-        (PredicateArgShape::SingleStringLiteral, SurfaceExpr::Call { args, .. })
-            if matches!(
-                args.as_slice(),
-                [SurfaceExpr::Literal {
-                    value: SurfaceLiteral::String(_),
-                    ..
-                }]
-            ) =>
-        {
-            None
-        }
-        (PredicateArgShape::SingleStringLiteral, _) => Some(format!(
-            "predicate `{predicate_name}` requires a single string-literal argument"
-        )),
-        (
-            PredicateArgShape::NumericRecord {
-                accepted_fields,
-                require_at_least_one,
-            },
-            SurfaceExpr::Call { args, .. },
-        ) => {
-            // Per `parse_type_alias_where_tail` doc-comment: `range(min: 1, max: 5)`
-            // desugars to a single `Record` argument.
-            let Some(SurfaceExpr::Record { fields, .. }) = args.first() else {
-                return Some(format!(
-                    "predicate `{predicate_name}` requires record-shaped \
-                     arguments (e.g. `{predicate_name}(min: N)`)"
-                ));
-            };
-            if args.len() != 1 {
-                return Some(format!(
-                    "predicate `{predicate_name}` accepts a single record argument; got {}",
-                    args.len()
-                ));
-            }
-            if *require_at_least_one && fields.is_empty() {
-                return Some(format!(
-                    "predicate `{predicate_name}` requires at least one of \
-                     the fields {{{}}}",
-                    accepted_fields.join(", ")
-                ));
-            }
-            let mut seen: Vec<&str> = Vec::with_capacity(fields.len());
-            for field in fields {
-                if !accepted_fields.contains(&field.name.as_str()) {
-                    return Some(format!(
-                        "predicate `{predicate_name}` does not accept field `{}` \
-                         (accepts: {})",
-                        field.name,
-                        accepted_fields.join(", ")
-                    ));
-                }
-                if seen.contains(&field.name.as_str()) {
-                    return Some(format!(
-                        "predicate `{predicate_name}` does not accept duplicate \
-                         field `{}`",
-                        field.name
-                    ));
-                }
-                seen.push(field.name.as_str());
-                if !matches!(
-                    &field.value,
-                    SurfaceExpr::Literal {
-                        value: SurfaceLiteral::Int(_),
-                        ..
-                    }
-                ) {
-                    return Some(format!(
-                        "predicate `{predicate_name}` field `{}` requires an \
-                         integer-literal value",
-                        field.name
-                    ));
-                }
-            }
-            None
-        }
-        (PredicateArgShape::NumericRecord { .. }, _) => Some(format!(
-            "predicate `{predicate_name}` requires record-shaped arguments"
-        )),
-    }
-}
-
-/// Synthesize a `Bool`-returning `SurfaceExpr` body equivalent to the
-/// registered predicate's semantic content, suitable for handing to
-/// [`build_refinement_predicate_declaration`]. Returns `None` if the
-/// predicate's body cannot yet be synthesized from existing substrate
-/// primitives (e.g. `pattern` requires regex-matching primitives that have
-/// not landed; surfacing as STOP-AND-ESCALATE per S9 Slice 2.5 brief).
-///
-/// `bind_name` is the alias being declared (the predicate's subject).
-/// `predicate` is the parsed `where`-clause predicate (e.g. the `gt_zero`
-/// `SurfaceExpr::Var` or the `range(min: 1)` `SurfaceExpr::Call`).
-///
-/// Currently implemented:
-/// - **`gt_zero`**: subject `> 0`. Equivalent for both `Nat` and `Int`
-///   carriers (Nat's structural lower bound is 0; gt_zero is "above
-///   structural bound").
-/// - **`unicode_scalar`**: `(0 <= subject <= 0xD7FF) || (0xE000 <= subject <= 0x10FFFF)`.
-/// - **`brand`**: lowers to reflexive `subject == subject` ∧ reflexive string equality on
-///   the tag literal (`label == label`). That fragment is **always true** when evaluated
-///   statically, including at [`scalar_literal_must_reject_for_refinement`] — it carries the
-///   registry predicate as a **real lowered body** (Path (a) vs placeholder) for structural
-///   discharge / inference, but it contributes **no extra literal-side narrowing** on Int/Nat
-///   carriers by itself. Nominal disjointness between branded aliases is enforced where types
-///   are compared by declaration identity (call-site discharge, coercions), not by rejecting
-///   raw numeric literals. When `brand` is **conjoined** with substantive predicates (`range`,
-///   `unicode_scalar`, …), those conjuncts still constrain literals at the discharge boundary.
-///   **Dissolution / tech debt:** if we ever need brand-tag evidence at the literal boundary,
-///   introduce a non-vacuous lowered fact (or substrate provenance) rather than pretending
-///   reflexive Eq does that work — aligns with INVARIANTS facts-flow-forward: the Bool fragment
-///   here must not be interpreted as carrying nominal disjointness evidence it does not encode.
-/// - **`range`**: subject `>= min` / `<= max` / both, depending on which
-///   record fields are present. Numeric primitives in scope; arg-shape
-///   validation already guaranteed Int-literal field values when reaching
-///   this point.
-///
-/// Pending substrate — STOP-AND-ESCALATE candidates per S9 Slice 2.5 brief
-/// (returns `None` — falls through to placeholder for now):
-/// - `non_empty`: synthesizing a real Bool body triggers a *discharge cascade*
-///   — `scalar_literal_must_reject_for_refinement` fails closed when it cannot
-///   evaluate the lowered predicate against the literal; there is no static
-///   evaluator for `subject != ""` yet on string literals (e.g. data fields
-///   typed `NonEmptyStr`). Result: bootstrap regen would emit spurious
-///   "scalar literal does not satisfy `where` refinement" diagnostics for
-///   data declarations whose fields are typed as non-empty carriers (e.g.
-///   `LensRegistryEntry.name: NonEmptyStr`). Surfacing as STOP per brief —
-///   the lowerer-side discharge mechanism is the substrate-fact-introduction
-///   needed before `non_empty` synthesizes.
-/// - `pattern` / `format` / `content`: regex-primitive substrate-fact-introduction
-///   (Q-Regex-Primitive) has not landed.
-fn brand_predicate_label(predicate: &SurfaceExpr) -> Option<String> {
-    match predicate {
-        SurfaceExpr::Call { args, .. } | SurfaceExpr::PathCall { args, .. } => {
-            let first = args.first()?;
-            match first {
-                SurfaceExpr::Literal {
-                    value: SurfaceLiteral::String(s),
-                    ..
-                } => Some(s.clone()),
-                _ => None,
-            }
-        }
-        _ => None,
-    }
-}
-
-fn synthesize_predicate_body(
-    spec: &PredicateSpec,
-    predicate: &SurfaceExpr,
-    bind_name: &str,
-    _carrier_chain: &[String],
-) -> Option<SurfaceExpr> {
-    let span = surface_expr_span(predicate).clone();
-    let subject_var = || SurfaceExpr::Var {
-        name: bind_name.to_string(),
-        span: span.clone(),
-    };
-    let int_literal = |value: i64| SurfaceExpr::Literal {
-        value: SurfaceLiteral::Int(value.to_string()),
-        span: span.clone(),
-    };
-    match spec.name {
-        "gt_zero" => Some(SurfaceExpr::Operator {
-            op: OperatorKind::Comparison(ComparisonOp::Gt),
-            args: vec![subject_var(), int_literal(0)],
-            span,
-        }),
-        "unicode_scalar" => {
-            const MAX_BMP_NON_SURROGATE: i64 = 0xD7FF;
-            const MIN_POST_SURROGATE: i64 = 0xE000;
-            const MAX_UNICODE_SCALAR: i64 = 0x10_FFFF;
-            let low_ok = SurfaceExpr::Operator {
-                op: OperatorKind::Logical(LogicalOp::And),
-                args: vec![
-                    SurfaceExpr::Operator {
-                        op: OperatorKind::Comparison(ComparisonOp::Ge),
-                        args: vec![subject_var(), int_literal(0)],
-                        span: span.clone(),
-                    },
-                    SurfaceExpr::Operator {
-                        op: OperatorKind::Comparison(ComparisonOp::Le),
-                        args: vec![subject_var(), int_literal(MAX_BMP_NON_SURROGATE)],
-                        span: span.clone(),
-                    },
-                ],
-                span: span.clone(),
-            };
-            let high_ok = SurfaceExpr::Operator {
-                op: OperatorKind::Logical(LogicalOp::And),
-                args: vec![
-                    SurfaceExpr::Operator {
-                        op: OperatorKind::Comparison(ComparisonOp::Ge),
-                        args: vec![subject_var(), int_literal(MIN_POST_SURROGATE)],
-                        span: span.clone(),
-                    },
-                    SurfaceExpr::Operator {
-                        op: OperatorKind::Comparison(ComparisonOp::Le),
-                        args: vec![subject_var(), int_literal(MAX_UNICODE_SCALAR)],
-                        span: span.clone(),
-                    },
-                ],
-                span: span.clone(),
-            };
-            Some(SurfaceExpr::Operator {
-                op: OperatorKind::Logical(LogicalOp::Or),
-                args: vec![low_ok, high_ok],
-                span,
-            })
-        }
-        "brand" => {
-            // Intentionally tautological Bool fragment: produces a real lowered Arrow body for
-            // registry Path (a) while keeping nominal disjointness out of this Expr-shaped proof.
-            // See module doc on `brand` in [`synthesize_predicate_body`].
-            let label = brand_predicate_label(predicate)?;
-            let brand_lit = SurfaceExpr::Literal {
-                value: SurfaceLiteral::String(label),
-                span: span.clone(),
-            };
-            let tag_check = SurfaceExpr::Operator {
-                op: OperatorKind::Comparison(ComparisonOp::Eq),
-                args: vec![brand_lit.clone(), brand_lit],
-                span: span.clone(),
-            };
-            Some(SurfaceExpr::Operator {
-                op: OperatorKind::Logical(LogicalOp::And),
-                args: vec![
-                    SurfaceExpr::Operator {
-                        op: OperatorKind::Comparison(ComparisonOp::Eq),
-                        args: vec![subject_var(), subject_var()],
-                        span: span.clone(),
-                    },
-                    tag_check,
-                ],
-                span,
-            })
-        }
-        // range body synthesis enabled. Note: synthesizing `subject >= min`
-        // / `subject <= max` for the existing `dsl/std/types.dag`
-        // Int-where-range declarations (RetryCount, HttpStatus, Port,
-        // EpochMs, Duration, Milliseconds, Seconds) creates additional
-        // `Value(LiteralBits::Int(N))` nodes in the DAG (one per record
-        // field). Tests that locate a value node by literal-bits alone
-        // (e.g. `int_literal_cardinality_test::let_annotated_uint8_*`)
-        // must filter by `span.file` to disambiguate the user's literal
-        // from the synthesized predicate-body literals.
-        "range" => {
-            // arg-shape validation has already confirmed:
-            //   - exactly 1 SurfaceExpr::Record arg
-            //   - each field name is in {"min", "max"} (no duplicates)
-            //   - each field value is SurfaceLiteral::Int(_)
-            // …so the extraction below is total over the validated shape.
-            let SurfaceExpr::Call { args, .. } = predicate else {
-                return None;
-            };
-            let SurfaceExpr::Record { fields, .. } = args.first()? else {
-                return None;
-            };
-            let int_literal_decimal = |decimal: String| SurfaceExpr::Literal {
-                value: SurfaceLiteral::Int(decimal),
-                span: span.clone(),
-            };
-            let mut min_value: Option<String> = None;
-            let mut max_value: Option<String> = None;
-            for field in fields {
-                let SurfaceExpr::Literal {
-                    value: SurfaceLiteral::Int(n),
-                    ..
-                } = &field.value
-                else {
-                    return None;
-                };
-                // Reject ill-formed decimals; accept any magnitude that parses as `BigInt` so
-                // `range` synthesis cannot silently fall back to placeholders merely because the
-                // bound exceeds host `i64` (R3 full-magnitude Int literal carrier).
-                if BigInt::from_str(n.as_str()).is_err() {
-                    return None;
-                }
-                match field.name.as_str() {
-                    "min" => min_value = Some(n.clone()),
-                    "max" => max_value = Some(n.clone()),
-                    _ => return None,
-                }
-            }
-            let mut clauses: Vec<SurfaceExpr> = Vec::with_capacity(2);
-            if let Some(m) = min_value {
-                clauses.push(SurfaceExpr::Operator {
-                    op: OperatorKind::Comparison(ComparisonOp::Ge),
-                    args: vec![subject_var(), int_literal_decimal(m)],
-                    span: span.clone(),
-                });
-            }
-            if let Some(m) = max_value {
-                clauses.push(SurfaceExpr::Operator {
-                    op: OperatorKind::Comparison(ComparisonOp::Le),
-                    args: vec![subject_var(), int_literal_decimal(m)],
-                    span: span.clone(),
-                });
-            }
-            match clauses.len() {
-                0 => None,
-                1 => clauses.pop(),
-                _ => {
-                    let mut iter = clauses.into_iter();
-                    let mut acc = iter.next()?;
-                    for next in iter {
-                        let combined_span = span.clone();
-                        acc = SurfaceExpr::Operator {
-                            op: OperatorKind::Logical(LogicalOp::And),
-                            args: vec![acc, next],
-                            span: combined_span,
-                        };
-                    }
-                    Some(acc)
-                }
-            }
-        }
-        _ => None,
-    }
-}
-
-/// Result of attempting per-leaf body synthesis on a (possibly And-combined)
-/// `where`-sugar clause. The mixed case is the openai-pro REQUEST_CHANGES
-/// finding (gunbc PR #1846): if a clause combines a synthesizable predicate
-/// (e.g. `gt_zero`) with an unsynthesizable one (e.g. `range` pre-Gap-3),
-/// returning a placeholder for the whole clause silently weakens the
-/// enforceable `gt_zero` fact. Returning a mixed-result variant lets the
-/// caller fail-closed instead.
-//
-// 🟢 TERMINAL — implementation-layer coproduct over the three per-clause
-// body-synthesis outcomes (all leaves synthesized / all leaves placeholder /
-// mixed → fail-closed). Not a scaffold; preserves per-leaf facts
-// representation needed to satisfy openai-pro REQUEST_CHANGES at PR #1846.
-enum BodySynthOutcome {
-    /// Every leaf synthesized; combined body lowers via the live predicate
-    /// declaration path.
-    AllSynthesized(SurfaceExpr),
-    /// No leaf synthesized; whole clause routes through the placeholder
-    /// allocator (status quo for unsynthesized registered predicates).
-    AllPlaceholder,
-    /// Mixed: at least one leaf synthesized, at least one didn't. Caller
-    /// emits `Diagnostic::ResolveError` with the listed predicate names so
-    /// the synthesized fact isn't silently weakened by being merged into
-    /// the placeholder. Pairs with the test
-    /// `test_mixed_synthesizable_and_placeholder_predicates_fails_closed`.
-    Mixed {
-        synthesized_names: Vec<String>,
-        unsynthesized_names: Vec<String>,
-    },
-}
-
-/// Walk a (possibly And-combined) `where`-sugar refinement expression and
-/// classify per-leaf synthesizability. Single registered predicate delegates
-/// to [`synthesize_predicate_body`]. `Operator { And, [a, b, …] }` walks each
-/// leaf and aggregates outcomes; if any leaf classifies different from the
-/// rest, returns `Mixed` so the caller fails closed.
-fn registered_predicate_synthesized_body(
-    expr: &SurfaceExpr,
-    bind_name: &str,
-    carrier_chain: &[String],
-) -> BodySynthOutcome {
-    match expr {
-        SurfaceExpr::Operator {
-            op: OperatorKind::Logical(LogicalOp::And),
-            args,
-            span,
-        } => {
-            let mut synthesized: Vec<SurfaceExpr> = Vec::with_capacity(args.len());
-            let mut synthesized_names: Vec<String> = Vec::new();
-            let mut unsynthesized_names: Vec<String> = Vec::new();
-            for arg in args {
-                match registered_predicate_synthesized_body(arg, bind_name, carrier_chain) {
-                    BodySynthOutcome::AllSynthesized(body) => {
-                        synthesized.push(body);
-                        // Collect every leaf name reachable through the arg
-                        // (handles nested `And` subtrees per openai-pro
-                        // REQUEST_CHANGES at PR #1846 `4a42cb1f` —
-                        // `leaf_predicate_name` alone returns None for an
-                        // `Operator(And)` arg and would silently drop the
-                        // nested per-leaf names).
-                        synthesized_names.extend(collect_leaf_predicate_names(arg));
-                    }
-                    BodySynthOutcome::AllPlaceholder => {
-                        unsynthesized_names.extend(collect_leaf_predicate_names(arg));
-                    }
-                    BodySynthOutcome::Mixed {
-                        synthesized_names: s,
-                        unsynthesized_names: u,
-                    } => {
-                        synthesized_names.extend(s);
-                        unsynthesized_names.extend(u);
-                    }
-                }
-            }
-            match (synthesized_names.is_empty(), unsynthesized_names.is_empty()) {
-                (false, true) => BodySynthOutcome::AllSynthesized(SurfaceExpr::Operator {
-                    op: OperatorKind::Logical(LogicalOp::And),
-                    args: synthesized,
-                    span: span.clone(),
-                }),
-                (true, false) => BodySynthOutcome::AllPlaceholder,
-                (true, true) => BodySynthOutcome::AllPlaceholder,
-                (false, false) => BodySynthOutcome::Mixed {
-                    synthesized_names,
-                    unsynthesized_names,
-                },
-            }
-        }
-        SurfaceExpr::Call { target, .. } => match predicate_spec(target) {
-            Some(spec) => match synthesize_predicate_body(spec, expr, bind_name, carrier_chain) {
-                Some(body) => BodySynthOutcome::AllSynthesized(body),
-                None => BodySynthOutcome::AllPlaceholder,
-            },
-            None => BodySynthOutcome::AllPlaceholder,
-        },
-        SurfaceExpr::Var { name, .. } => match predicate_spec(name) {
-            Some(spec) => match synthesize_predicate_body(spec, expr, bind_name, carrier_chain) {
-                Some(body) => BodySynthOutcome::AllSynthesized(body),
-                None => BodySynthOutcome::AllPlaceholder,
-            },
-            None => BodySynthOutcome::AllPlaceholder,
-        },
-        _ => BodySynthOutcome::AllPlaceholder,
-    }
-}
-
-/// Extract the predicate identifier at the head of a `where`-clause leaf.
-/// Returns `None` for non-leaf expressions (e.g. `Operator(And)` itself, or
-/// shapes that aren't predicate calls). Used to attribute names in the
-/// `Mixed` synthesis-outcome diagnostic. For nested `And` subtrees, use
-/// [`collect_leaf_predicate_names`] which recurses through the conjunction
-/// structure.
-fn leaf_predicate_name(expr: &SurfaceExpr) -> Option<String> {
-    match expr {
-        SurfaceExpr::Call { target, .. } => Some(target.clone()),
-        SurfaceExpr::Var { name, .. } => Some(name.clone()),
-        _ => None,
-    }
-}
-
-/// Collect every leaf predicate name reachable from `expr` by recursing
-/// through `Operator { And, … }` conjunctions. Addresses openai-pro
-/// REQUEST_CHANGES at PR #1846 (`4a42cb1f`): nested-`And` subtrees were
-/// returning `None` from [`leaf_predicate_name`] (because the subtree itself
-/// is an `Operator`, not a leaf), causing per-leaf synthesized/placeholder
-/// names to be dropped during outer aggregation. The fix is to walk the
-/// conjunction structure and collect names at every leaf.
-fn collect_leaf_predicate_names(expr: &SurfaceExpr) -> Vec<String> {
-    match expr {
-        SurfaceExpr::Operator {
-            op: OperatorKind::Logical(LogicalOp::And),
-            args,
-            ..
-        } => {
-            let mut out = Vec::new();
-            for arg in args {
-                out.extend(collect_leaf_predicate_names(arg));
-            }
-            out
-        }
-        _ => leaf_predicate_name(expr).into_iter().collect(),
-    }
-}
-
-/// Recursively walk a `where`-sugar refinement expression. Predicates combine
-/// via `Operator { op: Logical(And), … }` (per `parse_type_alias_where_tail`
-/// / `fold_type_alias_where_parts`); the leaves are `SurfaceExpr::Call`
-/// (e.g. `range(min: 1)`, `brand("X")`) or `SurfaceExpr::Var` (bare
-/// predicates like `non_empty`). Per Path (a) RATIFIED at gunbc#828
-/// `issuecomment-4390760353`, returns the worst-case validation across all
-/// leaves: any single malformed registered predicate fails the whole clause
-/// closed; any single non-registered leaf falls through to live resolution.
-fn validate_where_clause(expr: &SurfaceExpr, carrier_chain: &[String]) -> PredicateValidation {
-    if let SurfaceExpr::Operator {
-        op: OperatorKind::Logical(LogicalOp::And),
-        args,
-        ..
-    } = expr
-    {
-        let mut all_registered = true;
-        for arg in args {
-            match validate_where_clause(arg, carrier_chain) {
-                PredicateValidation::Registered => {}
-                PredicateValidation::RegisteredButMalformed { reason, span } => {
-                    return PredicateValidation::RegisteredButMalformed { reason, span };
-                }
-                PredicateValidation::NotRegistered => all_registered = false,
-            }
-        }
-        return if all_registered {
-            PredicateValidation::Registered
-        } else {
-            PredicateValidation::NotRegistered
-        };
-    }
-    validate_predicate_clause(expr, carrier_chain)
-}
-
-/// P3 / “facts flow forward” for registered-predicate refinements: allocate
-/// a **non-Arrow** declaration id used only as `Declaration::refinement` for
-/// these aliases. Refinement discharge in infer requires a `Arrow` +
-/// `UserDefined` `Bind` predicate; this placeholder uses a `Conj` so it is
-/// never mistaken for a lowered `Bool` predicate, except for identity on the
-/// same `DeclarationId` (the alias matches itself at call sites). Successor
-/// to `alloc_deferred_types_dag_refinement_placeholder` (PB-1 file-path
-/// special-case retired in S9 Slice 2.5 Path 3).
-fn alloc_registered_refinement_placeholder(
-    dag: &mut Dag,
-    alias_name: &str,
-    span: SourceSpan,
-) -> DeclarationId {
-    let id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id,
-        name: Some(format!("<registered predicate not lowered: {alias_name}>")),
-        connective: TypeConnective::Conj { children: vec![] },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span.clone(),
-    });
-    id
-}
-
-/// DB-11 (3a.3): lower a parameter's `where` refinement into a
-/// predicate `Declaration` and a refined type `Declaration`.
-///
-/// - `base_decl_id`: the parameter's declared type declaration
-///   (e.g. `Int` for `d: Int where d != 0`).
-/// - `predicate`: the parsed surface expression after `where`. Lowered
-///   in an isolated scope containing only the parameter (bound to a
-///   fresh port typed as `base_decl_id`).
-/// - Returns a refined type Declaration whose connective is
-///   `Atom(ResolvedIdentifier(base_decl_id))` (structurally
-///   equivalent to the base type) with `refinement: Some(pred_decl)`
-///   pointing at the predicate declaration.
-///
-/// The predicate is itself a Declaration with an `Arrow` connective
-/// taking the base type and returning `Bool`, with body
-/// `UserDefined(bind_id)` pointing at a Bind that owns the predicate
-/// sub-DAG. The Bind's `params[0]` is the predicate parameter port —
-/// structural equality on predicates treats this slot as "the refined
-/// parameter" and pairs it across both sides.
-fn lower_parameter_refinement(
-    base_decl_id: DeclarationId,
-    predicate: &SurfaceExpr,
-    param_name: &str,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    param_span: SourceSpan,
-) -> DeclarationId {
-    let pred_decl_id = build_refinement_predicate_declaration(
-        base_decl_id,
-        predicate,
-        param_name,
-        symbols,
-        dag,
-        param_span.clone(),
-        false,
-    );
-    let refined_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: refined_id,
-        name: None,
-        connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(base_decl_id)),
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: Some(pred_decl_id),
-        nominal_opacity: None,
-        span: param_span,
-    });
-    refined_id
-}
-
-fn seed_function_signature(
-    name: &str,
-    params: &[SurfaceParam],
-    return_type: &SurfaceType,
-    body: ArrowBody,
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-) {
-    let fn_decl_id = symbols[name];
-    let local = local_scope_from_parent(dag, fn_decl_id);
-    // DB-11 (3a.3) phase-ordering fix: seed the Arrow with BASE
-    // declaration ids only. Parameter `where` clauses are lowered by
-    // `lower_parameter_refinements_phase`, which runs AFTER the data
-    // pre-pass populates top-level `data` declarations' connectives
-    // and `value_body`s. Lowering a predicate here would evaluate any
-    // references to top-level data constants against placeholder
-    // declarations — the references would mark `Unresolved` even
-    // though the constants are valid.
-    let param_decl_inputs: Vec<DeclarationId> = params
-        .iter()
-        .map(|p| type_to_declaration_id(&p.ty, symbols, &local, dag))
-        .collect();
-    let return_decl_id = type_to_declaration_id(return_type, symbols, &local, dag);
-    dag.declaration_mut(fn_decl_id).connective = TypeConnective::Arrow {
-        inputs: param_decl_inputs,
-        output: return_decl_id,
-        body,
-    };
-}
-
-/// DB-11 (3a.3): lower parameter `where` clauses for every Fn /
-/// FnExternalBody item and update the fn's Arrow inputs with the
-/// refined declaration ids. Runs between the data pre-pass and the
-/// main fn-body pass so references inside predicates to top-level
-/// `data` constants see fully-lowered declarations (not placeholders)
-/// and resolve cleanly.
-///
-/// Sole caller of `lower_parameter_refinement` for parameter `where`
-/// clauses — preserves single construction authority even though
-/// the work is split off from seeding. The alternative (lowering
-/// refinements at seed time) ordered-broke predicates that referenced
-/// top-level data; the alternative (lowering at fn-body time) split
-/// the authority across `Fn` (body path) and `FnExternalBody` (which
-/// has no body to hook into). One dedicated phase handles both.
-fn lower_parameter_refinements_phase(
-    dag: &mut Dag,
-    module: &SurfaceModule,
-    symbols: &HashMap<String, DeclarationId>,
-    is_first: &[bool],
-) {
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        let (name, params) = match item {
-            SurfaceItem::Fn { name, params, .. } => (name, params),
-            SurfaceItem::FnExternalBody { name, params, .. } => (name, params),
-            _ => continue,
-        };
-        let fn_decl_id = symbols[name];
-        // Read the seeded Arrow's inputs and output (set by
-        // `seed_function_signature` to the base declarations).
-        let (existing_inputs, output, body) = match &dag.declaration(fn_decl_id).connective {
-            TypeConnective::Arrow {
-                inputs,
-                output,
-                body,
-            } => (inputs.clone(), *output, body.clone()),
-            _ => continue,
-        };
-        let mut refined_inputs = Vec::with_capacity(params.len());
-        for (param, &base_decl) in params.iter().zip(existing_inputs.iter()) {
-            let input_decl = match &param.refinement {
-                Some(predicate) => {
-                    match refinement_predicate_out_of_fragment(predicate) {
-                        Some((shape_label, span)) => {
-                            // DB-11 (3a.3) fail-closed boundary. The
-                            // discharge walker (`predicate_discharges` +
-                            // `refinement_ports_equal`) and the
-                            // composite-narrowing clone
-                            // (`clone_predicate_body`) both model only
-                            // `Value` and `Transform` predicate bodies.
-                            // Admitting a `where` predicate that lowers
-                            // through `Branch` / `Loop` / `Bind` would
-                            // produce a substrate state the consumers
-                            // silently disagree about — discharge would
-                            // reject matching shapes as "not equal," and
-                            // narrowing would discard the composite.
-                            // Reject at the lowering boundary so the
-                            // user gets an honest "unsupported shape"
-                            // diagnostic instead of a misleading
-                            // downstream mismatch.
-                            report_declaration_error(
-                            dag,
-                            Diagnostic::ResolveError {
-                                name: format!(
-                                    "`where` predicate shape not supported in \
-                                     DB-11 3a.3: `{shape_label}` lowers through \
-                                     a Branch/Loop/Bind node, but the discharge \
-                                     walker and composite-narrowing path only \
-                                     support Value and Transform expression \
-                                     bodies. Use a direct comparison or a call \
-                                     to a Bool-returning helper instead."
-                                ),
-                                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                                span,
-                            },
-                        );
-                            base_decl
-                        }
-                        None => lower_parameter_refinement(
-                            base_decl,
-                            predicate,
-                            &param.name,
-                            symbols,
-                            dag,
-                            param.ty.span().clone(),
-                        ),
-                    }
-                }
-                None => base_decl,
-            };
-            refined_inputs.push(input_decl);
-        }
-        dag.declaration_mut(fn_decl_id).connective = TypeConnective::Arrow {
-            inputs: refined_inputs,
-            output,
-            body,
-        };
-    }
-}
-
-/// DB-11: lower `type Name = T where …` after the data pre-pass so
-/// predicates can reference top-level `data` (same phase ordering as
-/// [`lower_parameter_refinements_phase`]).
-///
-/// Predicate lowering uses [`build_refinement_predicate_declaration`] with
-/// `bind_name = Name`: the `where` expression resolves `Var`s spelling the alias
-/// identifier to the refined base type `T`. Authors write the subject as the
-/// alias name; there is no separate hidden parameter symbol.
-///
-/// **Predicate registry (S9 Slice 2.5 — Option A revised RATIFIED at
-/// gunbc#828 `issuecomment-4392245968`, post Path 3 / Path (a) cascade).**
-/// Each `where` clause is dispatched per [`validate_where_clause`]:
-/// - **Registered + valid carrier + valid arg shape**: if
-///   [`registered_predicate_synthesized_body`] returns `Some`, the predicate
-///   lowers to a real `Bool` body via
-///   [`build_refinement_predicate_declaration`] (`gt_zero`, `unicode_scalar`,
-///   `range`, `brand`).
-///   Otherwise it gets a `Conj`-shaped placeholder via
-///   [`alloc_registered_refinement_placeholder`] (P3 facts-flow-forward —
-///   alias still carries a named refinement; body synthesis is the named
-///   follow-on rung; currently `non_empty` remains placeholder-only).
-/// - **Registered but malformed** (carrier-incompatible, arg-shape mismatch,
-///   duplicate field, bare-with-empty-call): fail-closed via
-///   `Diagnostic::ResolveError`, no refinement allocated.
-/// - **Unregistered** (e.g. `pattern`, `format`, `content` — STRUCTURALLY
-///   ABSENT from [`KNOWN_PREDICATES`] until Q-Regex-Primitive lands as a
-///   separate substrate-fact-introduction): falls through to live resolution
-///   in [`build_refinement_predicate_declaration`], which surfaces a
-///   `Diagnostic::ResolveError` since the predicate name does not resolve as
-///   a callable. The 11 `dsl/std/types.dag` declarations that previously
-///   used these predicates have dropped their where-clauses with inline
-///   restoration receipts pointing at the Q-Regex-Primitive landing.
-///
-/// Replaces the prior PB-1 file-path special case
-/// (`span.file == "dsl/std/types.dag"`). Per
-/// `feedback_no_textual_enforcement_bridges`: gating structural behavior on
-/// a textual file identifier was the anti-pattern; the registry IS the
-/// substrate-faithful authority for predicate-name resolution.
-///
-/// **Dissolution (retire the placeholder branch when):** the bootstrap
-/// supplies a body synthesis for each remaining registered predicate
-/// (Gap 1 discharge mechanism for `non_empty` / `brand`; Gap 3
-/// integer-routing fix for `range`); at that point every registered
-/// predicate routes through the live [`build_refinement_predicate_declaration`]
-/// path and the placeholder allocation can be deleted.
-fn lower_type_alias_refinements_phase(
-    dag: &mut Dag,
-    module: &SurfaceModule,
-    symbols: &HashMap<String, DeclarationId>,
-    is_first: &[bool],
-) {
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        let SurfaceItem::TypeAlias {
-            name,
-            target,
-            refinement,
-            span,
-            ..
-        } = item
-        else {
-            continue;
-        };
-        let Some(predicate) = refinement.as_ref() else {
-            continue;
-        };
-        let decl_id = *symbols
-            .get(name)
-            .expect("type alias name missing from symbol table (first pass must register it)");
-        if let Some((shape_label, frag_span)) = refinement_predicate_out_of_fragment(predicate) {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "`where` predicate shape not supported in \
-                         DB-11 3a.3: `{shape_label}` lowers through \
-                         a Branch/Loop/Bind node, but the discharge \
-                         walker and composite-narrowing path only \
-                         support Value and Transform expression \
-                         bodies. Use a direct comparison or a call \
-                         to a Bool-returning helper instead."
-                    ),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                    span: frag_span,
-                },
-            );
-            continue;
-        }
-        let local = local_scope_from_parent(dag, decl_id);
-        let base_decl_id = type_to_declaration_id(target, symbols, &local, dag);
-        dag.declaration_mut(decl_id).connective =
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(base_decl_id));
-
-        // S9 Slice 2.5 (Path (a) RATIFIED at gunbc#828 issuecomment-4390760353)
-        // — replaces prior PB-1 file-path special case
-        // (`span.file == "dsl/std/types.dag"`) with a predicate-name registry
-        // plus carrier + arg-shape contract. See `KNOWN_PREDICATES`,
-        // `carrier_chain_names`, and `validate_where_clause`. A registered
-        // predicate applied to an allowed carrier with valid arg shape gets a
-        // placeholder refinement (P3 facts-flow-forward — alias still carries
-        // a named refinement; predicate-body lowering is the named follow-on
-        // ladder rung). A registered predicate with malformed carrier or
-        // arg-shape produces `Diagnostic::ResolveError` directly — fail-closed
-        // per Codex/openai-pro REQUEST_CHANGES at PR #1846 (`92758dd0` /
-        // `788d6acb` / `e2698434`). An unregistered predicate falls through
-        // to live resolution unchanged.
-        let carrier_chain = carrier_chain_names(dag, base_decl_id);
-        match validate_where_clause(predicate, &carrier_chain) {
-            PredicateValidation::Registered => {
-                // Path (a) Rung 3 (S9 Slice 2.5): for predicates whose body
-                // can be synthesized from existing substrate primitives,
-                // lower a real `Bool`-returning predicate body via
-                // `build_refinement_predicate_declaration` rather than
-                // allocating a `Conj`-shaped placeholder. Synthesizable today:
-                // `gt_zero`, `unicode_scalar`, `range`, `brand` (see `synthesize_predicate_body`).
-                match registered_predicate_synthesized_body(predicate, name, &carrier_chain) {
-                    BodySynthOutcome::AllSynthesized(synthesized) => {
-                        let pred_decl_id = build_refinement_predicate_declaration(
-                            base_decl_id,
-                            &synthesized,
-                            name,
-                            symbols,
-                            dag,
-                            span.clone(),
-                            true,
-                        );
-                        dag.declaration_mut(decl_id).refinement = Some(pred_decl_id);
-                    }
-                    BodySynthOutcome::AllPlaceholder => {
-                        let ph = alloc_registered_refinement_placeholder(dag, name, span.clone());
-                        dag.declaration_mut(decl_id).refinement = Some(ph);
-                    }
-                    BodySynthOutcome::Mixed {
-                        synthesized_names,
-                        unsynthesized_names,
-                    } => {
-                        // openai-pro REQUEST_CHANGES at PR #1846 (`79c4da09`):
-                        // mixed clauses (synthesizable + unsynthesizable
-                        // registered predicates combined via And) cannot route
-                        // to a single placeholder without silently weakening
-                        // the synthesized facts. Fail-closed via
-                        // `Diagnostic::ResolveError` until per-leaf refinement
-                        // representation lands.
-                        report_declaration_error(
-                            dag,
-                            Diagnostic::ResolveError {
-                                name: format!(
-                                    "registered `where` clause mixes \
-                                     body-synthesized predicates ({}) with \
-                                     placeholder-only predicates ({}); the \
-                                     synthesized facts cannot collapse into a \
-                                     single placeholder without losing \
-                                     enforcement. Author the predicates as \
-                                     separate type aliases until per-leaf \
-                                     refinement representation lands.",
-                                    synthesized_names.join(", "),
-                                    unsynthesized_names.join(", ")
-                                ),
-                                span: span.clone(),
-                                correction:
-                                    crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                        "LoweringDiagnostic",
-                                    ),
-                            },
-                        );
-                    }
-                }
-                continue;
-            }
-            PredicateValidation::RegisteredButMalformed {
-                reason,
-                span: pred_span,
-            } => {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: reason,
-                        span: pred_span,
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "LoweringDiagnostic",
-                        ),
-                    },
-                );
-                continue;
-            }
-            PredicateValidation::NotRegistered => {}
-        }
-        let pred_decl_id = build_refinement_predicate_declaration(
-            base_decl_id,
-            predicate,
-            name,
-            symbols,
-            dag,
-            span.clone(),
-            false,
-        );
-        dag.declaration_mut(decl_id).refinement = Some(pred_decl_id);
-    }
-}
-
-/// DB-11 / T-Substrate scalar-literal refinement boundary.
-///
-/// Top-level `data` bodies lower before alias refinements are attached
-/// so refinement predicates can reference data constants. That means
-/// `lower_scalar_literal_for_type` can only check base scalar
-/// cardinality in the data pre-pass. After alias refinements land, this
-/// validation pass rejects any already-scalar-lowered data declaration
-/// whose declared type now carries a lowered predicate refinement that
-/// cannot be **statically discharged** for that literal (including literals
-/// nested inside structural data bodies). Synthesizable registry predicates
-/// (`gt_zero`, `unicode_scalar`, `range`, `brand`, nested `And`/`Or`) are
-/// evaluated via the same lowered `Transform` fragment as narrowing discharge;
-/// unsupported shapes fail closed. Deferred placeholders are skipped because they intentionally
-/// carry no lowered predicate to discharge until their PB-1 dissolution
-/// trigger lands.
-fn validate_scalar_data_refinements_phase(
-    dag: &mut Dag,
-    module: &SurfaceModule,
-    symbols: &HashMap<String, DeclarationId>,
-    is_first: &[bool],
-) {
-    for (idx, item) in module.items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        let SurfaceItem::Data {
-            name, body_span, ..
-        } = item
-        else {
-            continue;
-        };
-        let Some(&decl_id) = symbols.get(name) else {
-            continue;
-        };
-        let decl = dag.declaration(decl_id);
-        let Some(expected) = decl.meta_tag else {
-            continue;
-        };
-        let Some(value_body) = decl.value_body.as_ref() else {
-            continue;
-        };
-        if !value_body_contains_undischarged_scalar_literal(dag, expected, value_body) {
-            continue;
-        }
-        dag.declaration_mut(decl_id).value_body = None;
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{name}` scalar literal does not satisfy the expected \
-                     `where` refinement — no narrowing branch in scope"
-                ),
-                span: body_span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-    }
-}
-
-fn value_body_contains_undischarged_scalar_literal(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    value_body: &crate::dag::ValueBody,
-) -> bool {
-    match value_body {
-        crate::dag::ValueBody::Scalar(bits) => {
-            scalar_literal_must_reject_for_refinement(dag, bits, expected_type)
-        }
-        crate::dag::ValueBody::Structural { fields } => {
-            structural_fields_contain_undischarged_scalar_literal(dag, expected_type, fields)
-        }
-        crate::dag::ValueBody::List(values) => {
-            list_element_type(dag, expected_type).is_some_and(|element_type| {
-                values.iter().any(|element| {
-                    field_value_contains_undischarged_scalar_literal(dag, element_type, element)
-                })
-            })
-        }
-        crate::dag::ValueBody::Map(entries) => {
-            map_value_type(dag, expected_type).is_some_and(|value_type| {
-                entries.entries().iter().any(|(_, value)| {
-                    field_value_contains_undischarged_scalar_literal(dag, value_type, value)
-                })
-            })
-        }
-        crate::dag::ValueBody::Unparsed(_) => false,
-    }
-}
-
-fn structural_fields_contain_undischarged_scalar_literal(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    fields: &[(String, crate::dag::FieldValue)],
-) -> bool {
-    let Some(conj_id) = walk_to_conj_decl(dag, expected_type) else {
-        return false;
-    };
-    let TypeConnective::Conj { children } = &dag.declaration(conj_id).connective else {
-        return false;
-    };
-    fields.iter().any(|(label, value)| {
-        let Some(field) = children.iter().find(|field| field.label == *label) else {
-            return false;
-        };
-        field_value_contains_undischarged_scalar_literal(dag, field.ty, value)
-    })
-}
-
-fn field_value_contains_undischarged_scalar_literal(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    value: &crate::dag::FieldValue,
-) -> bool {
-    match value {
-        crate::dag::FieldValue::Literal(bits) => {
-            scalar_literal_must_reject_for_refinement(dag, bits, expected_type)
-        }
-        crate::dag::FieldValue::Reference(_) => false,
-        crate::dag::FieldValue::Record(fields) => {
-            structural_fields_contain_undischarged_scalar_literal(dag, expected_type, fields)
-        }
-        crate::dag::FieldValue::List(values) => {
-            list_element_type(dag, expected_type).is_some_and(|element_type| {
-                values.iter().any(|element| {
-                    field_value_contains_undischarged_scalar_literal(dag, element_type, element)
-                })
-            })
-        }
-        crate::dag::FieldValue::Map(entries) => {
-            map_value_type(dag, expected_type).is_some_and(|value_type| {
-                entries.entries().iter().any(|(_, value)| {
-                    field_value_contains_undischarged_scalar_literal(dag, value_type, value)
-                })
-            })
-        }
-        crate::dag::FieldValue::Variant {
-            constructor,
-            payload,
-        } => variant_payload_fields_for_lowering(dag, *constructor, Some(expected_type))
-            .is_some_and(|fields| {
-                payload
-                    .iter()
-                    .zip(fields.iter())
-                    .any(|(value, (_, field_type))| {
-                        field_value_contains_undischarged_scalar_literal(dag, *field_type, value)
-                    })
-            }),
-    }
-}
-
-fn is_deferred_refinement_placeholder(dag: &Dag, refinement: DeclarationId) -> bool {
-    dag.declaration(refinement)
-        .name
-        .as_deref()
-        .is_some_and(|name| name.starts_with("<registered predicate not lowered: "))
-}
-
-/// Predicate bodies lowered from the registered-predicate synthesis ladder tag
-/// their `Bind` as `<registry-refinement:…>`. User-written alias/`where`
-/// predicates keep `<refinement:…>`. Static literal discharge runs **only** on
-/// the former so shapes like `PositiveInt > 0` cannot be accidentally proven
-/// merely because they lower to the same `Transform` operators as synthesized
-/// registry bodies (`int_literal_cardinality_test` discharge traps).
-///
-/// **Representation note:** this is intentionally encoded as a `Bind.name` prefix today — a
-/// small parallel-authority string convention (rename either prefix without updating both
-/// [`build_refinement_predicate_declaration`] and this predicate silently breaks discharge).
-/// **Dissolution trigger:** move eligibility to an explicit substrate field (e.g.
-/// `RefinementProvenance` on the predicate `Declaration` or a typed enum) once bootstrap /
-/// snapshot churn can absorb another Declaration slot — keeps the rule compiler-enforced.
-fn refinement_predicate_allows_registry_literal_static_discharge(
-    dag: &Dag,
-    pred_decl: DeclarationId,
-) -> bool {
-    let TypeConnective::Arrow {
-        body: ArrowBody::UserDefined(bind_node_id),
-        ..
-    } = &dag.declaration(pred_decl).connective
-    else {
-        return false;
-    };
-    let Some(bind) = bind_node_id.bind_opt(dag) else {
-        return false;
-    };
-    bind.name.starts_with("<registry-refinement:")
-}
-
-/// Gate on scalar literals / structural `data` bodies when the declared type
-/// carries a **non-placeholder** refinement: reject unless we can **prove**
-/// the literal satisfies the lowered predicate body by evaluating the same
-/// `Transform(Value|Operator)` fragment produced by `synthesize_predicate_body`
-/// (`gt_zero`, `unicode_scalar`, `range`, `brand`, and nested `And`/`Or`).
-///
-/// For **`brand`-only** Int refinements, the synthesized fragment evaluates tautologically;
-/// see [`synthesize_predicate_body`] — discharge still succeeds but carries **no** nominal
-/// evidence beyond pairing with other conjuncts.
-///
-/// Proof is attempted **only** when the refinement predicate `Bind` carries the
-/// `<registry-refinement:…>` tag from [`build_refinement_predicate_declaration`]
-/// (`registry_synthesized_body: true`). User-written predicates always fail this
-/// gate and keep the historic “no narrowing / no discharge evidence” boundary.
-///
-/// Deferred placeholders intentionally return `false` — no proof obligation.
-///
-/// Unsupported shapes / evaluator overflow → `true` (fail closed).
-fn scalar_literal_must_reject_for_refinement(
-    dag: &Dag,
-    literal: &LiteralBits,
-    expected_type: DeclarationId,
-) -> bool {
-    let mut current = expected_type;
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        if let Some(refinement) = decl.refinement {
-            if is_deferred_refinement_placeholder(dag, refinement) {
-                return false;
-            }
-            if !refinement_predicate_allows_registry_literal_static_discharge(dag, refinement) {
-                return true;
-            }
-            return !literal_statically_satisfies_refinement_predicate(dag, literal, refinement);
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            _ => return false,
-        }
-    }
-    false
-}
-
-/// Infer-facing counterpart to [`scalar_literal_must_reject_for_refinement`]:
-/// structural equivalence can unify a callee refined alias carrier with canonical
-/// `Int` **before** the argument port nominally [`Decision::Set`]s — scalar
-/// literals that pass the same gate-20 static discharge as lowering narrow the port.
-pub(crate) fn int_literal_bigint_statically_discharges_refinement_chain(
-    dag: &Dag,
-    literal: &BigInt,
-    expected_type: DeclarationId,
-) -> bool {
-    let bits = LiteralBits::Int(literal.to_string());
-    !scalar_literal_must_reject_for_refinement(dag, &bits, expected_type)
-}
-
-fn literal_statically_satisfies_refinement_predicate(
-    dag: &Dag,
-    literal: &LiteralBits,
-    pred_decl: DeclarationId,
-) -> bool {
-    let LiteralBits::Int(s) = literal else {
-        return false;
-    };
-    let Ok(value) = BigInt::from_str(s.as_str()) else {
-        return false;
-    };
-    let Some((param_port, body_port)) = outer_predicate_slots(dag, pred_decl) else {
-        return false;
-    };
-    eval_int_refinement_expr_port(dag, body_port, param_port, &value, 0).unwrap_or(false)
-}
-
-fn eval_int_refinement_expr_port(
-    dag: &Dag,
-    port: PortId,
-    param_port: PortId,
-    value: &BigInt,
-    depth: usize,
-) -> Option<bool> {
-    if depth >= 64 {
-        return None;
-    }
-    let nid = dag.port(port).produced_by?;
-    let Behavior::Transform(t) = dag.node(nid) else {
-        return None;
-    };
-    match &t.target {
-        TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)) => {
-            let l = eval_int_refinement_expr_port(dag, t.inputs[0], param_port, value, depth + 1)?;
-            let r = eval_int_refinement_expr_port(dag, t.inputs[1], param_port, value, depth + 1)?;
-            Some(l && r)
-        }
-        TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or)) => {
-            let l = eval_int_refinement_expr_port(dag, t.inputs[0], param_port, value, depth + 1)?;
-            let r = eval_int_refinement_expr_port(dag, t.inputs[1], param_port, value, depth + 1)?;
-            Some(l || r)
-        }
-        TransformTarget::Operator(OperatorKind::Comparison(op)) => {
-            eval_int_comparison_port(dag, *op, t.inputs[0], t.inputs[1], param_port, value)
-        }
-        _ => None,
-    }
-}
-
-fn eval_int_comparison_port(
-    dag: &Dag,
-    op: ComparisonOp,
-    lhs: PortId,
-    rhs: PortId,
-    param_port: PortId,
-    value: &BigInt,
-) -> Option<bool> {
-    match op {
-        ComparisonOp::Eq => eval_eq_comparison_ports(dag, lhs, rhs, param_port, value),
-        ComparisonOp::Ge | ComparisonOp::Le | ComparisonOp::Gt => {
-            let lhs_v = int_operand_for_static_refinement(dag, lhs, param_port, value)?;
-            let rhs_v = int_operand_for_static_refinement(dag, rhs, param_port, value)?;
-            let ok = match op {
-                ComparisonOp::Ge => lhs_v >= rhs_v,
-                ComparisonOp::Le => lhs_v <= rhs_v,
-                ComparisonOp::Gt => lhs_v > rhs_v,
-                _ => return None,
-            };
-            Some(ok)
-        }
-        ComparisonOp::Ne | ComparisonOp::Lt => None,
-    }
-}
-
-fn int_operand_for_static_refinement(
-    dag: &Dag,
-    port: PortId,
-    param_port: PortId,
-    value: &BigInt,
-) -> Option<BigInt> {
-    if port == param_port {
-        return Some(value.clone());
-    }
-    let nid = dag.port(port).produced_by?;
-    let Behavior::Value(v) = dag.node(nid) else {
-        return None;
-    };
-    match &v.data {
-        LiteralBits::Int(s) => BigInt::from_str(s.as_str()).ok(),
-        _ => None,
-    }
-}
-
-fn string_literal_value_port(dag: &Dag, port: PortId) -> Option<&str> {
-    let nid = dag.port(port).produced_by?;
-    let Behavior::Value(v) = dag.node(nid) else {
-        return None;
-    };
-    match &v.data {
-        LiteralBits::String(s) => Some(s.as_str()),
-        _ => None,
-    }
-}
-
-fn eval_eq_comparison_ports(
-    dag: &Dag,
-    lhs: PortId,
-    rhs: PortId,
-    param_port: PortId,
-    value: &BigInt,
-) -> Option<bool> {
-    if lhs == param_port && rhs == param_port {
-        return Some(true);
-    }
-    let ls = string_literal_value_port(dag, lhs);
-    let rs = string_literal_value_port(dag, rhs);
-    if ls.is_some() || rs.is_some() {
-        return Some(ls.is_some() && rs == ls);
-    }
-    let lv = int_operand_for_static_refinement(dag, lhs, param_port, value);
-    let rv = int_operand_for_static_refinement(dag, rhs, param_port, value);
-    match (lv, rv) {
-        (Some(a), Some(b)) => Some(a == b),
-        _ => None,
-    }
-}
-
-/// DB-11 (3a.3) fragment gate. Walks a `where`-predicate
-/// `SurfaceExpr` and returns `Some((shape_label, span))` for the
-/// first sub-expression whose lowering would produce a `Branch`,
-/// `Loop`, or `Bind` behavior — i.e., an out-of-fragment shape that
-/// the discharge walker and composite-narrowing clone path cannot
-/// compare or reproduce.
-///
-/// Supported shapes return `None`:
-/// - `Literal`, `Var`, `Path` — leaf Value / field-project
-///   Transforms.
-/// - `Call` / `Operator` — Transform nodes; arguments are recursed
-///   into.
-///
-/// Out-of-fragment shapes:
-/// - `If` / `Match` — lower to `Branch`.
-/// - `Lambda` — lowers to `Bind`.
-/// - `Record` / `List` — lower to fail-closed diagnostics at user
-///   scope today; still rejected here so the user sees the refinement
-///   boundary clearly rather than the generic lowering failure.
-fn refinement_predicate_out_of_fragment(expr: &SurfaceExpr) -> Option<(&'static str, SourceSpan)> {
-    match expr {
-        SurfaceExpr::Literal { .. } | SurfaceExpr::Var { .. } | SurfaceExpr::Path { .. } => None,
-        SurfaceExpr::Call { args, .. }
-        | SurfaceExpr::Operator { args, .. }
-        | SurfaceExpr::PathCall { args, .. } => {
-            args.iter().find_map(refinement_predicate_out_of_fragment)
-        }
-        SurfaceExpr::Lambda { span, .. } => Some(("lambda", span.clone())),
-        SurfaceExpr::If { span, .. } => Some(("if", span.clone())),
-        SurfaceExpr::Match { span, .. } => Some(("match", span.clone())),
-        SurfaceExpr::VariantRecord { span, .. } => {
-            Some(("named constructor literal", span.clone()))
-        }
-        SurfaceExpr::Record { fields, .. } => fields
-            .iter()
-            .find_map(|field| refinement_predicate_out_of_fragment(&field.value)),
-        SurfaceExpr::List { elements, .. } => elements
-            .iter()
-            .find_map(refinement_predicate_out_of_fragment),
-        SurfaceExpr::Map { span, .. } => Some(("map literal", span.clone())),
-    }
-}
-
-/// DB-11 (3a.3) arm-local refinement narrowing. Given an `if` / match
-/// guard expression `cond` and the outer scope, if `cond` is a
-/// recognizable predicate on a scope-bound name (e.g. `d != 0` where
-/// `d` is in scope), returns a new scope where that name is rebound to
-/// a freshly-allocated port whose type carries a refinement matching
-/// the predicate. The predicate is lowered identically to a parameter
-/// refinement, so call-site structural discharge in
-/// `infer::decide_transform` treats the two predicates as equal.
-///
-/// Returns `None` when the cond doesn't match a narrowing shape, when
-/// no scope-bound Var appears in the cond's operand list, or when the
-/// outer port's type cannot be recovered. The caller keeps using the
-/// unmodified outer scope in that case.
-///
-/// Scope of recognition (3a.3 M-sized subset): two-argument
-/// `SurfaceExpr::Operator` / `SurfaceExpr::Call` forms where exactly
-/// one operand is a `Var` bound in the outer scope. More complex
-/// predicate shapes (conjunctions, nested calls on the narrowed
-/// parameter, negation-of-predicate on else-arm) fall through with
-/// `None` — users either add an explicit guard or live without
-/// narrowing. Expanding this recognition is 3a.3-follow-up work.
-fn narrow_scope_for_predicate(
-    cond: &SurfaceExpr,
-    scope: &HashMap<String, PortId>,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-) -> Option<HashMap<String, PortId>> {
-    let narrow_name = narrowable_var_name(cond, scope)?;
-    let &outer_port = scope.get(&narrow_name)?;
-    let outer_shape = match dag.port(outer_port).state() {
-        crate::dag::PortState::Resolved(ty) => *ty,
-        _ => return None,
-    };
-    // DB-11 (3a.3) composite-canonical narrowing. Walk past any
-    // existing refinement to the TRUE BASE; the new refined
-    // declaration aliases that base directly, not the outer refined
-    // declaration. No alias chain survives. If the outer port already
-    // carried a refinement, its predicate body is cloned into the new
-    // composite Bind with the refined-parameter slot re-pointed at the
-    // composite's fresh param, then `&&`-joined with the freshly
-    // lowered cond — the result is one composite predicate Declaration,
-    // structurally identical to what a user-written
-    // `where outer_pred && new_cond` would produce.
-    let (true_base_decl, outer_pred_decl) = walk_to_refinement_base(dag, outer_shape.declaration);
-    let refined_decl = build_narrowed_refinement(
-        dag,
-        symbols,
-        true_base_decl,
-        outer_pred_decl,
-        cond,
-        &narrow_name,
-    )?;
-    let narrow_port = dag.alloc_port(None);
-    match declaration_to_port_shape(refined_decl, dag, surface_expr_span(cond)) {
-        Ok(shape) => dag.set_port_type(narrow_port, shape),
-        Err(_) => return None,
-    }
-    let mut narrowed = scope.clone();
-    narrowed.insert(narrow_name, narrow_port);
-    Some(narrowed)
-}
-
-/// Walk the `Atom(ResolvedIdentifier(...))` chain from a parameter's
-/// declaration, skipping past any refinement-carrier declarations to
-/// reach the true base declaration. Returns `(base_decl, deepest_refinement)`
-/// where `deepest_refinement` is the top-level refinement that was on
-/// the input declaration (if any) — the outer predicate that the
-/// caller wants to compose with a new narrowing predicate.
-///
-/// For a freshly seeded `Int where d != 0` parameter, returns
-/// `(Int_decl, Some(d_ne_0_pred_decl))`. For an unrefined `Int`
-/// parameter, returns `(Int_decl, None)`. The loop is depth-bounded
-/// so pathological cyclic aliases can't hang lowering.
-fn walk_to_refinement_base(
-    dag: &Dag,
-    decl_id: DeclarationId,
-) -> (DeclarationId, Option<DeclarationId>) {
-    const DEPTH_LIMIT: usize = 32;
-    let top_refinement = dag.declaration(decl_id).refinement;
-    let mut current = decl_id;
-    for _ in 0..DEPTH_LIMIT {
-        let decl = dag.declaration(current);
-        if decl.refinement.is_none() {
-            return (current, top_refinement);
-        }
-        match &decl.connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            _ => return (current, top_refinement),
-        }
-    }
-    (current, top_refinement)
-}
-
-/// Build a refined parameter declaration for a narrowed scope. The
-/// returned declaration aliases `true_base_decl` directly (no alias
-/// chain) and carries a single composite predicate:
-///
-/// - If `outer_pred_decl` is `None`, the predicate is the freshly
-///   lowered `new_cond` — identical shape to what a bare
-///   `where new_cond` parameter clause would produce.
-/// - If `outer_pred_decl` is `Some`, the predicate body is
-///   `outer_body && new_body`, where `outer_body` is cloned from
-///   the outer predicate's `Bind` with its param slot re-pointed at
-///   the fresh composite param. Structurally identical to
-///   `where outer_pred_source && new_cond_source` if the user had
-///   written it that way.
-fn build_narrowed_refinement(
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    true_base_decl: DeclarationId,
-    outer_pred_decl: Option<DeclarationId>,
-    new_cond: &SurfaceExpr,
-    narrow_name: &str,
-) -> Option<DeclarationId> {
-    let Some(outer_pred_decl) = outer_pred_decl else {
-        // No existing refinement — the fresh predicate IS the
-        // refinement. Same shape as a seeded `where` clause.
-        return Some(lower_parameter_refinement(
-            true_base_decl,
-            new_cond,
-            narrow_name,
-            symbols,
-            dag,
-            surface_expr_span(new_cond).clone(),
-        ));
-    };
-
-    let pred_span = surface_expr_span(new_cond).clone();
-    // Allocate a fresh composite parameter port typed as the true
-    // base — the composite predicate's sole parameter slot.
-    let composite_param_port = dag.alloc_port(None);
-    match declaration_to_port_shape(true_base_decl, dag, &pred_span) {
-        Ok(shape) => dag.set_port_type(composite_param_port, shape),
-        Err(diag) => dag.mark_unresolved(composite_param_port, diag),
-    }
-
-    // Clone the outer predicate's body into the composite's scope,
-    // substituting outer's Bind.params[0] → composite_param_port.
-    // Narrowing operates within a single function's scope; no
-    // TypeParam substitution applies, so pass an empty SubstStack
-    // (DB-16: the Transform-target walk becomes a structural no-op).
-    let (outer_param_port, outer_value_port) = outer_predicate_slots(dag, outer_pred_decl)?;
-    let outer_cloned_value = clone_predicate_body(
-        dag,
-        outer_value_port,
-        outer_param_port,
-        composite_param_port,
-        &SubstStack::new(),
-        0,
-    )?;
-
-    // Lower the new cond in a scope where narrow_name resolves to
-    // composite_param_port.
-    let mut pred_scope: HashMap<String, PortId> = HashMap::new();
-    pred_scope.insert(narrow_name.to_string(), composite_param_port);
-    let pred_callable_scope: CallableScope = CallableScope::new();
-    let bool_decl_id = symbols
-        .get("Bool")
-        .copied()
-        .unwrap_or_else(|| alloc_identifier_stub(dag, "Bool", &pred_span));
-    let new_value_port = lower_expr(
-        new_cond,
-        dag,
-        &pred_scope,
-        &pred_callable_scope,
-        symbols,
-        Some(bool_decl_id),
-    );
-
-    // `outer_cloned && new` — single Transform(Logical(And)). The
-    // output port inherits Bool shape via `resolve_operator_arrow`
-    // during inference.
-    let and_node_id = dag.alloc_node_id();
-    let and_output = dag.alloc_port(Some(and_node_id));
-    dag.push_node(Behavior::Transform(TransformNode {
-        id: and_node_id,
-        target: TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)),
-        inputs: vec![outer_cloned_value, new_value_port],
-        output: and_output,
-        span: pred_span.clone(),
-    }));
-
-    // Wrap in the composite Bind; single params slot, composite body.
-    let bind_id = dag.alloc_node_id();
-    dag.push_node(Behavior::Bind(BindNode {
-        id: bind_id,
-        name: format!("<refinement:{narrow_name}>"),
-        value: and_output,
-        params: vec![composite_param_port],
-        span: pred_span.clone(),
-        lane2_workflow: None,
-        emit_participation: None,
-    }));
-
-    // Predicate declaration with Arrow body, same shape as
-    // `lower_parameter_refinement` produces — so discharge logic
-    // does not need a special case.
-    let pred_decl_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: pred_decl_id,
-        name: None,
-        connective: TypeConnective::Arrow {
-            inputs: vec![true_base_decl],
-            output: bool_decl_id,
-            body: ArrowBody::UserDefined(
-                BindNodeId::from_bind_node(dag, bind_id)
-                    .expect("UserDefined Arrow body bind id must point at a Bind"),
-            ),
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: pred_span.clone(),
-    });
-
-    // Refined type declaration aliasing the TRUE BASE (not the
-    // outer refined decl) — no alias chain.
-    let refined_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: refined_id,
-        name: None,
-        connective: TypeConnective::Atom(AtomPayload::ResolvedByStructure(true_base_decl)),
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: Some(pred_decl_id),
-        nominal_opacity: None,
-        span: pred_span,
-    });
-    Some(refined_id)
-}
-
-/// Read a predicate declaration's Bind slots: the sole parameter
-/// port (`Bind.params[0]`) and the body value port (`Bind.value`).
-/// Returns `None` if the predicate declaration isn't the expected
-/// `Arrow { body: UserDefined(bind) }` shape with a single param
-/// slot — in which case composite narrowing falls back to treating
-/// the outer refinement as absent (safe degradation).
-pub(crate) fn outer_predicate_slots(
-    dag: &Dag,
-    pred_decl: DeclarationId,
-) -> Option<(PortId, PortId)> {
-    let TypeConnective::Arrow {
-        body: ArrowBody::UserDefined(bind_id),
-        ..
-    } = &dag.declaration(pred_decl).connective
-    else {
-        return None;
-    };
-    let bind = (*bind_id).bind(dag);
-    let param = *bind.params.first()?;
-    Some((param, bind.value))
-}
-
-/// Clone a predicate body sub-DAG, rewriting every reference to
-/// `substitute_from` into `substitute_to`, and routing each
-/// `Transform` target's declaration-level references through
-/// `concretize_decl_with_subst` so generic-helper calls and
-/// generic-record projections land on concretized declarations.
-/// Fresh node ids + port ids are allocated for each cloned node so
-/// the result is structurally independent from the source — two
-/// composite Binds in the same DAG do not share intermediate ports.
-///
-/// Walks only `Value` and `Transform` nodes, matching the predicate
-/// fragment that `predicates_structurally_equal` already accepts.
-/// `Branch` / `Loop` / `Bind` in a predicate body are out of scope
-/// for DB-11's admitted fragment — clone returns `None` and callers
-/// treat that as "cannot produce a well-formed composite."
-///
-/// DB-16 (3a.3 closure): the `subst` parameter carries the active
-/// substitution stack so Transform targets with `Callable(id)` referencing
-/// template TypeParams get re-rooted to their concrete instantiations.
-/// `ResolvedFieldProject` keeps only its label; the substituted parent input
-/// type remains the authority for the projected child. DB-11 callers
-/// (`build_narrowed_refinement`) pass an empty `SubstStack`, which makes the
-/// Transform-target walk a structural no-op (no substitution lookup ever
-/// fires).
-pub(crate) fn clone_predicate_body(
-    dag: &mut Dag,
-    source_port: PortId,
-    substitute_from: PortId,
-    substitute_to: PortId,
-    subst: &SubstStack,
-    depth: usize,
-) -> Option<PortId> {
-    const DEPTH_LIMIT: usize = 64;
-    if depth >= DEPTH_LIMIT {
-        return None;
-    }
-    if source_port == substitute_from {
-        return Some(substitute_to);
-    }
-    let Some(node_id) = dag.port(source_port).produced_by else {
-        // No producer — external port (e.g. another function's
-        // param). Reuse directly; no rewrite needed.
-        return Some(source_port);
-    };
-    let cloned = match dag.node(node_id).clone() {
-        Behavior::Value(v) => {
-            let new_node_id = dag.alloc_node_id();
-            let new_output = dag.alloc_port(Some(new_node_id));
-            dag.push_node(Behavior::Value(ValueNode {
-                id: new_node_id,
-                data: v.data,
-                output: new_output,
-                span: v.span,
-                lane2_workflow: v.lane2_workflow.clone(),
-            }));
-            new_output
-        }
-        Behavior::Transform(t) => {
-            let mut new_inputs = Vec::with_capacity(t.inputs.len());
-            for input_port in &t.inputs {
-                new_inputs.push(clone_predicate_body(
-                    dag,
-                    *input_port,
-                    substitute_from,
-                    substitute_to,
-                    subst,
-                    depth + 1,
-                )?);
-            }
-            let new_target = substitute_transform_target(dag, t.target, subst);
-            let new_node_id = dag.alloc_node_id();
-            let new_output = dag.alloc_port(Some(new_node_id));
-            dag.push_node(Behavior::Transform(TransformNode {
-                id: new_node_id,
-                target: new_target,
-                inputs: new_inputs,
-                output: new_output,
-                span: t.span,
-            }));
-            new_output
-        }
-        Behavior::Branch(_) | Behavior::Loop(_) | Behavior::Bind(_) => {
-            // Out-of-fragment predicate shapes — tracked as DB-11
-            // 3a.3 ROADMAP debt (admitted surface > supported
-            // fragment). Fail-closed at narrowing time rather than
-            // producing a malformed composite.
-            return None;
-        }
-    };
-    Some(cloned)
-}
-
-/// DB-16 (3a.3 closure): re-root a `TransformTarget`'s declaration-
-/// level references through the active substitution stack so cloned
-/// predicate bodies that reference generic helpers or generic-record
-/// projections land on concretized declarations.
-///
-/// - `Operator(_)`: no substitution. Operator kinds are intrinsic;
-///   `resolve_operator_arrow` handles TypeParam operands through its
-///   own substitution pipeline at inference time.
-/// - `ResolvedFieldProject { field_label }`: no substitution. The parent
-///   input type remains the authority; inference resolves the label through
-///   the concrete parent after substitution.
-/// - `Callable(id)`: route `id` through `concretize_decl_with_subst`.
-///   When `id` is an `Instantiation` whose arguments reference
-///   substitution-bound TypeParams, the result is a fresh
-///   Instantiation with concretized arguments, deduped via
-///   `find_equivalent_anonymous_instantiation`.
-///
-/// With an empty `SubstStack`, every call to
-/// `concretize_decl_with_subst` short-circuits to the input id (no
-/// TypeParam lookup ever hits) — DB-11 callers see no behavior change.
-fn substitute_transform_target(
-    dag: &mut Dag,
-    target: TransformTarget,
-    subst: &SubstStack,
-) -> TransformTarget {
-    match target {
-        TransformTarget::Operator(_) => target,
-        TransformTarget::UnresolvedFieldProject { .. } => target,
-        TransformTarget::ResolvedFieldProject { .. } => target,
-        TransformTarget::Callable(id) => {
-            TransformTarget::Callable(concretize_decl_with_subst(dag, id, subst, 0))
-        }
-    }
-}
-
-/// Return the name of the single scope-bound `Var` referenced in a
-/// predicate-shaped cond expression, or `None` if the cond doesn't
-/// match the narrowing-eligible shape.
-///
-/// A cond is narrowing-eligible iff:
-/// - it is a two-argument `Operator` or `Call` expression, AND
-/// - it references **exactly one** scope-bound name (the candidate
-///   refined parameter). Top-level symbols and literals are fine.
-///
-/// The single-scope-bound-var requirement is load-bearing: a predicate
-/// that references two scope-locals (e.g. `x != y`) would need a
-/// multi-arity refinement, which DB-11's structural-equality proof
-/// theory does not model. Inside a match-arm body where a pattern
-/// binding (e.g. `Cons(payload)`) is in scope, predicates like
-/// `behavior_id(payload.head) == node_id` have two scope-bound vars
-/// (`payload` and `node_id`) and skip narrowing — otherwise the
-/// predicate-lowering side effects would attempt to resolve the
-/// non-candidate vars in an isolated scope and fail, polluting the
-/// main DAG with unresolvable sub-expressions.
-fn narrowable_var_name(cond: &SurfaceExpr, scope: &HashMap<String, PortId>) -> Option<String> {
-    match cond {
-        SurfaceExpr::Operator { args, .. } if args.len() == 2 => {}
-        SurfaceExpr::Call { args, .. } if args.len() == 2 => {}
-        _ => return None,
-    }
-    let mut seen: std::collections::HashSet<String> = std::collections::HashSet::new();
-    collect_scope_bound_free_vars(cond, scope, &mut seen);
-    if seen.len() == 1 {
-        seen.into_iter().next()
-    } else {
-        None
-    }
-}
-
-/// Walk a surface expression and collect the names of all free
-/// variables that resolve to entries in `scope`. Lambda parameter
-/// shadowing and match-arm binding shadowing are respected. Top-level
-/// declarations (not in `scope`) are filtered out by construction
-/// since `scope` holds only local-variable bindings, not symbols.
-fn collect_scope_bound_free_vars(
-    expr: &SurfaceExpr,
-    scope: &HashMap<String, PortId>,
-    out: &mut std::collections::HashSet<String>,
-) {
-    match expr {
-        SurfaceExpr::Var { name, .. } => {
-            if scope.contains_key(name) {
-                out.insert(name.clone());
-            }
-        }
-        SurfaceExpr::Literal { .. } => {}
-        SurfaceExpr::Path { segments, .. } => {
-            // The head of a dotted path is a local-variable reference
-            // when it resolves to scope (field access). A top-level
-            // typed path (e.g. `OrderedRing.add`) wouldn't be in
-            // `scope` so it's filtered out.
-            if let Some(head) = segments.first() {
-                if scope.contains_key(head) {
-                    out.insert(head.clone());
-                }
-            }
-        }
-        SurfaceExpr::Call { args, .. } | SurfaceExpr::Operator { args, .. } => {
-            for arg in args {
-                collect_scope_bound_free_vars(arg, scope, out);
-            }
-        }
-        SurfaceExpr::VariantRecord { fields, .. } => {
-            for field in fields {
-                collect_scope_bound_free_vars(&field.value, scope, out);
-            }
-        }
-        SurfaceExpr::Lambda { params, body, .. } => {
-            let mut shadowed = scope.clone();
-            for p in params {
-                shadowed.remove(p);
-            }
-            // Use a placeholder port so `contains_key` would return
-            // true only for non-shadowed names; we don't use it.
-            collect_scope_bound_free_vars(body, &shadowed, out);
-        }
-        SurfaceExpr::If {
-            cond,
-            then_branch,
-            else_branch,
-            ..
-        } => {
-            collect_scope_bound_free_vars(cond, scope, out);
-            collect_scope_bound_free_vars(then_branch, scope, out);
-            collect_scope_bound_free_vars(else_branch, scope, out);
-        }
-        SurfaceExpr::Match {
-            scrutinee, arms, ..
-        } => {
-            collect_scope_bound_free_vars(scrutinee, scope, out);
-            for arm in arms {
-                let mut arm_scope = scope.clone();
-                for binding in pattern_binding_names(&arm.pattern) {
-                    arm_scope.remove(&binding);
-                }
-                collect_scope_bound_free_vars(&arm.body, &arm_scope, out);
-            }
-        }
-        SurfaceExpr::Record { fields, .. } => {
-            for field in fields {
-                collect_scope_bound_free_vars(&field.value, scope, out);
-            }
-        }
-        SurfaceExpr::List { elements, .. } => {
-            for el in elements {
-                collect_scope_bound_free_vars(el, scope, out);
-            }
-        }
-        SurfaceExpr::Map { entries, .. } => {
-            // Map keys are string literals (no scope-bound names).
-            // Values can reference scope-bound names like any other
-            // expression position.
-            for entry in entries {
-                collect_scope_bound_free_vars(&entry.value, scope, out);
-            }
-        }
-        SurfaceExpr::PathCall { segments, args, .. } => {
-            // Like Path: head segment is a local-variable reference
-            // when it resolves to scope. Plus recurse into args like
-            // Call.
-            if let Some(head) = segments.first() {
-                if scope.contains_key(head) {
-                    out.insert(head.clone());
-                }
-            }
-            for arg in args {
-                collect_scope_bound_free_vars(arg, scope, out);
-            }
-        }
-    }
-}
-
-/// Pass 1: allocate a placeholder Declaration for every named top-level
-/// item and record `name → DeclarationId` in the symbol table. Let /
-/// Module / Import items produce no declaration.
-///
-/// Returns `(symbols, is_first)`. `symbols` maps each name to the
-/// declaration currently selected by the temporary duplicate-authority
-/// preference scaffold shared with `Dag::declaration_by_name`.
-/// `is_first[idx]` is false only for items that lose selection to an
-/// already-present declaration of the same name. A later higher-rank
-/// `src/v3/` declaration can replace a seeded lower-rank duplicate and
-/// remain `true`. `lower_into` skips only the losing duplicates so the
-/// selected declaration's filled connective is not overwritten later.
-///
-/// Duplicate declarations emit a fail-closed `ResolveError` via a
-/// phantom port, so the compile surfaces through
-/// `Err(CompileError::Semantic)`. The duplicate's own declaration slot
-/// is still allocated (for structural consistency in the declaration
-/// table), but it stays as a placeholder and is unreachable by name.
-fn collect_symbols(
-    dag: &mut Dag,
-    items: &[SurfaceItem],
-) -> (HashMap<String, DeclarationId>, Vec<bool>) {
-    // Seed from already-present declarations with the same temporary
-    // duplicate-authority preference scaffold as
-    // `Dag::declaration_by_name`: `src/v3/` declarations outrank
-    // legacy `dsl/` duplicates. Equal-rank ties remain deterministic
-    // by insertion order but are not the intended steady-state rule.
-    //
-    // **🟡 Scaffold — v3 migration preference mirror.** This mirrors the
-    // rank policy defined at `Dag::declaration_name_preference_rank`. Kept
-    // as a scaffold (not deleted) because the duplicates it resolves carry
-    // v3-only substrate content that cannot yet be hosted under `dsl/std/`.
-    // Dissolution trigger: when duplicate authorities converge to a single
-    // canonical home, delete this seeding branch together with the rank
-    // function in `dag.rs` and remove the preference rule entirely. At that
-    // point name lookup must resolve against the single surviving authority
-    // or fail closed on multiple matches. Convergence checklist
-    // (ROADMAP.md "Post-merge debt"): `module std.effects`,
-    // `module std.verification`, embedded `http_path` mirror inside
-    // `src/v3/std/effects.dag`, `module std.computation`,
-    // `module std.induction`, `module std.termination` (each `dsl/std/*`
-    // ↔ `src/v3/std/*` duplicate pair — same rank scaffold as effects).
-    let mut symbols: HashMap<String, DeclarationId> = HashMap::new();
-    for d in dag.declarations() {
-        if let Some(name) = &d.name {
-            match symbols.get(name).copied() {
-                None => {
-                    symbols.insert(name.clone(), d.id);
-                }
-                Some(existing_id) => {
-                    let existing = dag.declaration(existing_id);
-                    let new_rank = declaration_name_preference_rank(&d.span.file);
-                    let existing_rank = declaration_name_preference_rank(&existing.span.file);
-                    if new_rank > existing_rank {
-                        symbols.insert(name.clone(), d.id);
-                    }
-                }
-            }
-        }
-    }
-
-    seed_symbolic_cost_variant_constructors_for_symbols(dag, &mut symbols);
-
-    let mut is_first = vec![true; items.len()];
-    for (idx, item) in items.iter().enumerate() {
-        // Extract the surface-level name and type parameter list.
-        // Items that don't allocate declarations:
-        // - Let bindings (they produce a BindNode at lower time, not
-        //   a Declaration).
-        // - Module / Import items (parsed facts preserved but have no
-        //   lowered declaration at M1(2.7)).
-        // Every other surface form allocates one top-level declaration
-        // with the declared name, including `FnExternalBody` and `Data`
-        // scaffold forms — their facts flow forward.
-        let (name, surface_type_params): (String, &[String]) = match item {
-            SurfaceItem::Let { .. } => continue,
-            SurfaceItem::Module { .. } => continue,
-            SurfaceItem::Import { .. } => continue,
-            SurfaceItem::Fn {
-                name, type_params, ..
-            } => (name.clone(), type_params.as_slice()),
-            SurfaceItem::FnExternalBody {
-                name, type_params, ..
-            } => (name.clone(), type_params.as_slice()),
-            SurfaceItem::Data { name, .. } => (name.clone(), &[]),
-            SurfaceItem::TypeAtom {
-                name, type_params, ..
-            }
-            | SurfaceItem::TypeRecord {
-                name, type_params, ..
-            }
-            | SurfaceItem::TypeSum {
-                name, type_params, ..
-            }
-            | SurfaceItem::TypeAlias {
-                name, type_params, ..
-            } => (name.clone(), type_params.as_slice()),
-        };
-        let span = surface_item_span(item).clone();
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: Some(name.clone()),
-            connective: placeholder_connective(&name),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: span.clone(),
-        });
-
-        // Allocate TypeParam declarations for this item's generic
-        // parameters and link them via `Declaration.type_params`.
-        // Doing this in collect_symbols (pass 1) instead of
-        // lower_type_* (pass 2) means that by the time ANY other
-        // module's body references `List<Byte>`, List's
-        // `type_params` slot is already populated — so
-        // `build_template_arguments` can always look up the real
-        // template parameter id at construction time. No half-valid
-        // state, no post-sweep fixup pass.
-        if !surface_type_params.is_empty() {
-            let mut param_ids = Vec::with_capacity(surface_type_params.len());
-            for param in surface_type_params {
-                let param_id = dag.alloc_declaration_id();
-                dag.push_declaration(Declaration {
-                    id: param_id,
-                    name: None,
-                    connective: TypeConnective::Atom(AtomPayload::TypeParam(param.clone())),
-                    type_params: Vec::new(),
-                    phantom_params: Vec::new(),
-                    meta_tag: None,
-                    specialization_parent: None,
-                    inhabits: None,
-
-                    value_body: None,
-                    refinement: None,
-                    nominal_opacity: None,
-                    span: span.clone(),
-                });
-                param_ids.push(param_id);
-            }
-            dag.declaration_mut(id).type_params = param_ids;
-        }
-
-        if let Some(&existing_id) = symbols.get(&name) {
-            let existing = dag.declaration(existing_id);
-            let new_rank = declaration_name_preference_rank(&span.file);
-            let existing_rank = declaration_name_preference_rank(&existing.span.file);
-            if new_rank > existing_rank {
-                symbols.insert(name, id);
-            } else {
-                is_first[idx] = false;
-                let existing_span = existing.span.clone();
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "duplicate declaration `{name}` (first declared in `{}` at bytes {}..{})",
-                            existing_span.file,
-                            existing_span.byte_start,
-                            existing_span.byte_end,
-                        ),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        span,
-                    },
-                );
-            }
-        } else {
-            symbols.insert(name, id);
-        }
-    }
-    (symbols, is_first)
-}
-
-/// Seeds [`SymbolicCost`] coproduct variant **carrier** ids under their surface labels (`ConstantCost`,
-/// `LinearCost`, …). Those carriers are anonymous declarations in the substrate (`name: None`), so
-/// they never appear in the first-pass name seed — yet call sites spell variant constructors by
-/// name. Without this hook, [`try_lower_symbolic_cost_constant_cost_data`] cannot match the
-/// `symbols` map (Practice 5 / duplicate authority at data-body edges).
-///
-/// `HashMap::entry` via `or_insert` preserves an explicit same-spelling binding when one already
-/// exists (user decl or higher-ranked bootstrap duplicate).
-fn seed_symbolic_cost_variant_constructors_for_symbols(
-    dag: &Dag,
-    symbols: &mut HashMap<String, DeclarationId>,
-) {
-    let Some(sym_decl) = dag.declaration_by_name("SymbolicCost") else {
-        return;
-    };
-    let decl = dag.declaration(sym_decl.id);
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        return;
-    };
-    for v in variants {
-        symbols.entry(v.label.clone()).or_insert(v.ty);
-    }
-}
-
-fn placeholder_connective(name: &str) -> TypeConnective {
-    TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name.to_string()))
-}
-
-fn lower_item(
-    item: &SurfaceItem,
-    dag: &mut Dag,
-    scope: ScopeState,
-    symbols: &HashMap<String, DeclarationId>,
-    mutual_recursion: &MutualRecursionPlans,
-    mutual_state: &mut MutualRecursionState,
-) -> ScopeState {
-    let mut scope = scope;
-    match item {
-        SurfaceItem::Let {
-            name,
-            type_ann,
-            expr,
-        } => {
-            let mut lambda_callable: Option<DeclarationId> = None;
-            let value_port = if let SurfaceExpr::Lambda { params, body, span } = expr {
-                let Some(ty) = type_ann else {
-                    let port = dag.alloc_port(None);
-                    dag.mark_unresolved(
-                        port,
-                        Diagnostic::ResolveError {
-                            name: "lambda expressions currently require an expected function type (for example a `let` annotation or a function-typed parameter position)".to_string(),
-                            span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                    scope.values.insert(name.clone(), port);
-                    return scope;
-                };
-                let decl_id = type_to_declaration_id(ty, symbols, &HashMap::new(), dag);
-                let mut lambda_ctx = LambdaLoweringContext {
-                    dag,
-                    scope: &scope.values,
-                    callable_scope: &scope.callables,
-                    symbols,
-                };
-                match lower_lambda_expr(params, body, span, decl_id, &mut lambda_ctx) {
-                    Ok(lambda_decl_id) => {
-                        lambda_callable = Some(lambda_decl_id);
-                        let port = lambda_ctx.dag.alloc_port(None);
-                        match declaration_to_port_shape(decl_id, lambda_ctx.dag, ty.span()) {
-                            Ok(expected) => lambda_ctx.dag.set_port_type(port, expected),
-                            Err(diag) => lambda_ctx.dag.mark_unresolved(port, diag),
-                        }
-                        port
-                    }
-                    Err(diag) => {
-                        let port = lambda_ctx.dag.alloc_port(None);
-                        lambda_ctx.dag.mark_unresolved(port, diag);
-                        port
-                    }
-                }
-            } else {
-                let expected_decl = type_ann
-                    .as_ref()
-                    .map(|ty| type_to_declaration_id(ty, symbols, &HashMap::new(), dag));
-                lower_expr(
-                    expr,
-                    dag,
-                    &scope.values,
-                    &scope.callables,
-                    symbols,
-                    expected_decl,
-                )
-            };
-            if let Some(ty) = type_ann {
-                // Compute the annotated type's declaration id ONCE.
-                // Port TypeShape wraps the same id — no second
-                // allocation, no lower↔infer identity split.
-                let local: HashMap<String, DeclarationId> = HashMap::new();
-                let decl_id = type_to_declaration_id(ty, symbols, &local, dag);
-                match declaration_to_port_shape(decl_id, dag, ty.span()) {
-                    Ok(declared) => dag.set_port_type(value_port, declared),
-                    Err(diag) => dag.mark_unresolved(value_port, diag),
-                }
-            }
-            let bind_id = dag.alloc_node_id();
-            let bind_span = match type_ann {
-                Some(ty) => ty.span().clone(),
-                None => surface_expr_span(expr).clone(),
-            };
-            dag.push_node(Behavior::Bind(BindNode {
-                id: bind_id,
-                name: name.clone(),
-                value: value_port,
-                params: Vec::new(),
-                span: bind_span,
-                lane2_workflow: None,
-                emit_participation: None,
-            }));
-            scope.values.insert(name.clone(), value_port);
-            if let Some(lambda_decl_id) = lambda_callable {
-                scope.callables.insert(name.clone(), lambda_decl_id);
-            }
-            scope
-        }
-        SurfaceItem::Fn {
-            name,
-            params,
-            return_type,
-            body,
-            span: _,
-            ..
-        } => {
-            scope.values = lower_fn_item_expr_body(
-                name,
-                params,
-                return_type,
-                body,
-                dag,
-                scope.values,
-                symbols,
-                mutual_recursion,
-                mutual_state,
-            );
-            scope
-        }
-        SurfaceItem::FnExternalBody { .. } => {
-            // DB-11 (3a.3): signature was fully built by
-            // `seed_function_signatures_phase` with
-            // `ArrowBody::Unparsed(body_span)`. Nothing remains to do
-            // at body-lowering time — the declaration is already in
-            // its final form.
-            scope
-        }
-        SurfaceItem::Data {
-            name,
-            ty,
-            body,
-            body_span,
-            span: _,
-        } => {
-            let pending_refined_function_refs = HashSet::new();
-            let mut data_ctx = DataLoweringContext {
-                dag,
-                symbols,
-                pending_refined_function_refs: &pending_refined_function_refs,
-                invalid_data_lambda_cluster: None,
-            };
-            lower_data_item(name, ty, body.as_ref(), body_span, &mut data_ctx);
-            scope
-        }
-        SurfaceItem::Module { .. } | SurfaceItem::Import { .. } => {
-            // No-op at M1(2.7). The parsed facts are preserved in the
-            // SurfaceItem for M2 module scoping to consume; lowering
-            // doesn't currently need them because name resolution
-            // spans the flat declaration table.
-            scope
-        }
-        SurfaceItem::TypeAtom { name, .. } => {
-            let decl_id = symbols[name];
-            // Empty product — equivalent to a unit type.
-            dag.declaration_mut(decl_id).connective = TypeConnective::Conj {
-                children: Vec::new(),
-            };
-            scope
-        }
-        SurfaceItem::TypeRecord {
-            name,
-            type_params,
-            fields,
-            ..
-        } => {
-            lower_type_record(dag, symbols, name, type_params, fields);
-            scope
-        }
-        // E-6: `SurfaceItem::TypeSum.inhabits` is not parse-only — `lower_type_sum`
-        // writes `Declaration.inhabits`, then `infer::resolve_operator_arrow` and
-        // emitters' `walk_to_algebra_conj` follow it (Lane 1e-2b / BooleanAlgebra).
-        SurfaceItem::TypeSum {
-            name,
-            type_params,
-            variants,
-            inhabits,
-            ..
-        } => {
-            lower_type_sum(dag, symbols, name, type_params, variants, inhabits.as_ref());
-            scope
-        }
-        SurfaceItem::TypeAlias {
-            name,
-            type_params,
-            nominal_opaque,
-            target,
-            ..
-        } => {
-            lower_type_alias(dag, symbols, name, type_params, *nominal_opaque, target);
-            scope
-        }
-    }
-}
-
-fn validate_dimension_phantom_surface_item(dag: &mut Dag, item: &SurfaceItem) {
-    match item {
-        SurfaceItem::TypeRecord { name, span, .. } => {
-            if name == "Dimension" && span.file == DIMENSION_STD_AUTHORITY_FILE {
-                // The record case is validated after field lowering so the
-                // bridge can check the resolved `value: Carrier` payload.
-            }
-        }
-        SurfaceItem::TypeAtom { name, span, .. }
-        | SurfaceItem::TypeSum { name, span, .. }
-        | SurfaceItem::TypeAlias { name, span, .. }
-            if name == "Dimension" && span.file == DIMENSION_STD_AUTHORITY_FILE =>
-        {
-            report_dimension_phantom_error(
-                dag,
-                span.clone(),
-                "std `Dimension<Unit, Carrier>` must be a record declaration, not another type form",
-            );
-        }
-        _ => {}
-    }
-}
-
-/// Read a parent declaration's pre-populated `type_params` slot and
-/// build a `name → DeclarationId` local scope map for field-type and
-/// variant-payload lookups. The actual TypeParam declarations were
-/// allocated up front in `collect_symbols` so every declaration
-/// reaches `lower_type_*` with its `type_params` slot already filled.
-/// This is the shape that lets `build_template_arguments` look up real
-/// parameter ids at construction time — no half-valid state, no
-/// post-sweep fixup pass.
-fn local_scope_from_parent(dag: &Dag, parent_id: DeclarationId) -> HashMap<String, DeclarationId> {
-    let parent = dag.declaration(parent_id);
-    let mut scope: HashMap<String, DeclarationId> = parent
-        .type_params
-        .iter()
-        .filter_map(|pid| {
-            if let TypeConnective::Atom(AtomPayload::TypeParam(name)) =
-                &dag.declaration(*pid).connective
-            {
-                Some((name.clone(), *pid))
-            } else {
-                None
-            }
-        })
-        .collect();
-    // Recursive declarations must be able to refer to themselves
-    // while their connective is still being lowered. Without this,
-    // `tail: List<T>` inside `type List<T> = ...` allocates an
-    // UnresolvedIdentifier stub that later resolves back to the
-    // declaration and trips the "resolves to itself" fail-closed
-    // guard intended for bad aliases, not real recursive sums.
-    if let Some(name) = &parent.name {
-        scope.insert(name.clone(), parent_id);
-    }
-    scope
-}
-
-fn lower_type_record(
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    name: &str,
-    _type_params: &[String],
-    fields: &[SurfaceField],
-) {
-    let decl_id = symbols[name];
-    let local = local_scope_from_parent(dag, decl_id);
-    let mut children: Vec<Field> = Vec::with_capacity(fields.len());
-    for field in fields {
-        let ty_id = type_to_declaration_id(&field.ty, symbols, &local, dag);
-        children.push(Field {
-            label: field.name.clone(),
-            ty: ty_id,
-        });
-    }
-    dag.declaration_mut(decl_id).connective = TypeConnective::Conj { children };
-    attach_dimension_phantom_parameter(dag, decl_id, name);
-}
-
-fn attach_dimension_phantom_parameter(dag: &mut Dag, decl_id: DeclarationId, name: &str) {
-    if name != "Dimension" {
-        return;
-    }
-    let span = dag.declaration(decl_id).span.clone();
-    if span.file != DIMENSION_STD_AUTHORITY_FILE {
-        return;
-    }
-    if !dag.declaration(decl_id).phantom_params.is_empty() {
-        return;
-    }
-
-    let type_params = dag.declaration(decl_id).type_params.clone();
-    if type_params.len() != 2
-        || !type_param_is_named(dag, type_params[0], "Unit")
-        || !type_param_is_named(dag, type_params[1], "Carrier")
-    {
-        report_dimension_phantom_error(
-            dag,
-            span,
-            "std `Dimension` must declare exactly `Dimension<Unit, Carrier>`",
-        );
-        return;
-    }
-    let unit_param = type_params[0];
-    let carrier_param = type_params[1];
-    if !dimension_record_payload_is_carrier(dag, decl_id, carrier_param) {
-        report_dimension_phantom_error(
-            dag,
-            span,
-            "std `Dimension<Unit, Carrier>` must contain exactly `value: Carrier`",
-        );
-        return;
-    }
-    let Some(abelian_group) = dag.abelian_group_decl() else {
-        report_dimension_phantom_error(
-            dag,
-            span,
-            "std `Dimension<Unit, Carrier>` requires `AbelianGroup` to attach its unit phantom algebra",
-        );
-        return;
-    };
-    let Some(abelian_receiver) = dag.declaration(abelian_group).type_params.first().copied() else {
-        report_dimension_phantom_error(
-            dag,
-            span,
-            "`AbelianGroup` must expose its receiver type parameter for `Dimension` phantom algebra",
-        );
-        return;
-    };
-    let unit_abelian_group = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: unit_abelian_group,
-        name: Some("DimensionUnitAbelianGroup".to_string()),
-        connective: TypeConnective::Instantiation {
-            template: abelian_group,
-            arguments: vec![TemplateArgument {
-                parameter: abelian_receiver,
-                value: unit_param,
-            }],
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span,
-    });
-    dag.declaration_mut(decl_id)
-        .phantom_params
-        .push(PhantomParameter {
-            parameter: unit_param,
-            algebra: unit_abelian_group,
-        });
-}
-
-fn type_param_is_named(dag: &Dag, decl_id: DeclarationId, expected: &str) -> bool {
-    matches!(
-        &dag.declaration(decl_id).connective,
-        TypeConnective::Atom(AtomPayload::TypeParam(name)) if name == expected
-    )
-}
-
-fn dimension_record_payload_is_carrier(
-    dag: &Dag,
-    decl_id: DeclarationId,
-    carrier_param: DeclarationId,
-) -> bool {
-    matches!(
-        &dag.declaration(decl_id).connective,
-        TypeConnective::Conj { children }
-            if children.len() == 1
-                && children[0].label == "value"
-                && children[0].ty == carrier_param
-    )
-}
-
-fn report_dimension_phantom_error(dag: &mut Dag, span: SourceSpan, detail: &str) {
-    report_declaration_error(
-        dag,
-        Diagnostic::ResolveError {
-            name: format!("invalid std `Dimension<Unit, Carrier>` phantom bridge: {detail}"),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "LoweringDiagnostic",
-            ),
-            span,
-        },
-    );
-}
-
-/// Lane 1e-2b Path A — wire kernel `Bool` to `BooleanAlgebra<Bool>`.
-///
-/// `dsl/std/types.dag` stays on plain `type Bool = True | False` for the v2
-/// fixture parse path; this helper mirrors what an explicit `inhabits` field
-/// on [`SurfaceItem::TypeSum`] would lower to (see [`lower_type_sum`]'s
-/// `inhabits:` arm). Invoked only for the authoritative kernel sum in
-/// [`BootstrapAuthorityKey::for_kernel_bool`].
-pub(crate) fn wire_kernel_bool_boolean_algebra_inhabits(dag: &mut Dag, bool_id: DeclarationId) {
-    let bool_authority = BootstrapAuthorityKey::for_kernel_bool();
-    let bool_decl = dag.declaration(bool_id);
-    let span_for_inst = bool_decl.span.clone();
-    if bool_decl.inhabits.is_some() {
-        return;
-    }
-    let (ba_template, param_id) = {
-        let Some(ba) = dag.declaration_by_name("BooleanAlgebra") else {
-            dag.attach_bootstrap_diagnostic(
-                bool_authority,
-                Diagnostic::ResolveError {
-                    name: "bootstrap: Lane 1e-2b Path A — `BooleanAlgebra` not present in the \
-                           bootstrap Dag; cannot wire kernel `Bool` `inhabits`"
-                        .to_string(),
-                    span: span_for_inst.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "BootstrapDiagnostic",
-                    ),
-                },
-            );
-            return;
-        };
-        let Some(&param_id) = ba.type_params.first() else {
-            dag.attach_bootstrap_diagnostic(
-                bool_authority,
-                Diagnostic::ResolveError {
-                    name:
-                        "bootstrap: Lane 1e-2b Path A — `BooleanAlgebra` has no type parameters; \
-                           cannot instantiate `BooleanAlgebra<Bool>` for kernel `Bool` `inhabits`"
-                            .to_string(),
-                    span: span_for_inst.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "BootstrapDiagnostic",
-                    ),
-                },
-            );
-            return;
-        };
-        (ba.id, param_id)
-    };
-    let inst_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: inst_id,
-        name: None,
-        connective: TypeConnective::Instantiation {
-            template: ba_template,
-            arguments: vec![TemplateArgument {
-                parameter: param_id,
-                value: bool_id,
-            }],
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span_for_inst,
-    });
-    dag.declaration_mut(bool_id).inhabits = Some(inst_id);
-}
-
-fn lower_type_sum(
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    name: &str,
-    _type_params: &[String],
-    variants: &[SurfaceVariant],
-    inhabits: Option<&SurfaceType>,
-) {
-    let decl_id = symbols[name];
-    let local = local_scope_from_parent(dag, decl_id);
-    let mut variant_fields: Vec<Field> = Vec::with_capacity(variants.len());
-    for variant in variants {
-        // Build payload children FIRST, then allocate the variant declaration.
-        // Allocating the variant id before its payload children would wedge
-        // the dense-sequential invariant on `Dag.declarations` because the
-        // child declarations push into slots between the variant's reserved
-        // id and its eventual push.
-        let connective = match &variant.payload {
-            // Unit variants surface as `Positional(vec![])` — the
-            // empty-positional case handles them with zero Field
-            // children, which is structurally indistinguishable
-            // from a Unit variant and avoids a dedicated enum arm.
-            VariantPayload::Positional(payload_types) => {
-                let children: Vec<Field> = payload_types
-                    .iter()
-                    .enumerate()
-                    .map(|(idx, ty)| Field {
-                        label: format!("_{idx}"),
-                        ty: type_to_declaration_id(ty, symbols, &local, dag),
-                    })
-                    .collect();
-                TypeConnective::Conj { children }
-            }
-            VariantPayload::Record(fields) => {
-                let children: Vec<Field> = fields
-                    .iter()
-                    .map(|f| Field {
-                        label: f.name.clone(),
-                        ty: type_to_declaration_id(&f.ty, symbols, &local, dag),
-                    })
-                    .collect();
-                TypeConnective::Conj { children }
-            }
-        };
-        // Sum variant declarations are anonymous. The variant name
-        // lives structurally in the parent `Disj.variants` Field label,
-        // not in the child declaration's name slot. Keeps variant names
-        // (`True`, `False`, `Less`, `Equal`, `Greater`) out of
-        // `Dag::declaration_by_name`'s flat scan.
-        let variant_id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: variant_id,
-            name: None,
-            connective,
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: variant.span.clone(),
-        });
-        variant_fields.push(Field {
-            label: variant.name.clone(),
-            ty: variant_id,
-        });
-    }
-    dag.declaration_mut(decl_id).connective = TypeConnective::Disj {
-        variants: variant_fields,
-    };
-    if let Some(inh_ty) = inhabits {
-        let inh_id = type_to_declaration_id(inh_ty, symbols, &local, dag);
-        dag.declaration_mut(decl_id).inhabits = Some(inh_id);
-    } else if name == "Bool"
-        && variants.len() == 2
-        && variants.iter().any(|v| v.name == "True")
-        && variants.iter().any(|v| v.name == "False")
-        && dag.declaration(decl_id).span.file == BootstrapAuthorityKey::for_kernel_bool().path()
-    {
-        // v2 `dsl/std/types.dag` parse path has no `inhabits` token sequence for kernel
-        // `Bool`; wire at lower time instead of a post-parse patch sweep.
-        wire_kernel_bool_boolean_algebra_inhabits(dag, decl_id);
-    }
-}
-
-fn lower_type_alias(
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    name: &str,
-    _type_params: &[String],
-    nominal_opaque: bool,
-    target: &SurfaceType,
-) {
-    let decl_id = symbols[name];
-    let local = local_scope_from_parent(dag, decl_id);
-    let connective = type_to_connective(target, symbols, &local, dag);
-    dag.declaration_mut(decl_id).connective = connective;
-    if nominal_opaque {
-        dag.declaration_mut(decl_id).nominal_opacity = Some(NominalOpacity {
-            permitted_accessors: Vec::new(),
-        });
-    }
-}
-
-// --- R3 gate #60 Phase 2.1 — `Int<N>` / `UInt<N>` / `Real<N>` / `Nat<N>` surface sugar --------
-// Q-MachineConstraint sub-decision 3 (gunbc#828 #issuecomment-4385530115): elaborates to
-// `Compose<Algebra, MachineWidth<N>>` with literal-Nat `N` in the phantom slot (not Word*).
-
-fn gate60_literal_machine_width_bits(decimal: &str) -> Option<u32> {
-    let n: u32 = decimal.parse().ok()?;
-    matches!(n, 8 | 16 | 32 | 64 | 128).then_some(n)
-}
-
-fn alloc_literal_width_nat_decl(dag: &mut Dag, decimal: &str, span: SourceSpan) -> DeclarationId {
-    let id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id,
-        name: None,
-        connective: TypeConnective::Atom(AtomPayload::Literal(LiteralBits::Int(
-            decimal.to_string(),
-        ))),
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span,
-    });
-    id
-}
-
-fn alloc_machine_width_literal_nat(
-    dag: &mut Dag,
-    machine_width_tpl: DeclarationId,
-    decimal: &str,
-    span: SourceSpan,
-) -> Option<DeclarationId> {
-    let lit = alloc_literal_width_nat_decl(dag, decimal, span.clone());
-    let param0 = template_param_id(dag, machine_width_tpl, 0)?;
-    let id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id,
-        name: None,
-        connective: TypeConnective::Instantiation {
-            template: machine_width_tpl,
-            arguments: vec![TemplateArgument {
-                parameter: param0,
-                value: lit,
-            }],
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span,
-    });
-    Some(id)
-}
-
-fn compose_algebra_machine_width_connective(
-    dag: &Dag,
-    compose_tpl: DeclarationId,
-    algebra_id: DeclarationId,
-    machine_width_inst: DeclarationId,
-) -> Option<TypeConnective> {
-    let p0 = template_param_id(dag, compose_tpl, 0)?;
-    let p1 = template_param_id(dag, compose_tpl, 1)?;
-    Some(TypeConnective::Instantiation {
-        template: compose_tpl,
-        arguments: vec![
-            TemplateArgument {
-                parameter: p0,
-                value: algebra_id,
-            },
-            TemplateArgument {
-                parameter: p1,
-                value: machine_width_inst,
-            },
-        ],
-    })
-}
-
-/// When `surface_name` is `Int` / `UInt` / `Real` / `Nat` and there is exactly one
-/// [`TypeAngleArg::WidthNatLiteral`] argument with a gate-60 bit width, lower to
-/// `Compose<Algebra, MachineWidth<N>>` per Q-MC sub-decision 3. `Nat<N>` uses `UInt`
-/// in slot-1 (same unsigned width-refinement axis as `UInt<N>`; `UInt = Nat` in std).
-fn materialize_algebra_machine_width_width_nat(
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    local: &HashMap<String, DeclarationId>,
-    surface_name: &str,
-    args: &[TypeAngleArg],
-    _span: &SourceSpan,
-) -> Option<TypeConnective> {
-    if args.len() != 1 {
-        return None;
-    }
-    let TypeAngleArg::WidthNatLiteral {
-        decimal,
-        span: lit_span,
-    } = &args[0]
-    else {
-        return None;
-    };
-    let algebra_surface = match surface_name {
-        "Int" => "Int",
-        "UInt" => "UInt",
-        "Real" => "Real",
-        "Nat" => "UInt",
-        _ => return None,
-    };
-    gate60_literal_machine_width_bits(decimal)?;
-    let compose_tpl = dag.declaration_by_name("Compose")?.id;
-    let mw_tpl = dag.declaration_by_name("MachineWidth")?.id;
-    let algebra_id = local
-        .get(algebra_surface)
-        .or_else(|| symbols.get(algebra_surface))
-        .copied()?;
-    let mw_inst = alloc_machine_width_literal_nat(dag, mw_tpl, decimal, lit_span.clone())?;
-    compose_algebra_machine_width_connective(dag, compose_tpl, algebra_id, mw_inst)
-}
-
-/// Record-field map for `ConfigPatchRecord<Config>`: each `name: T` in `Config` becomes
-/// `name: FieldPatch<T>` in the patch record (T-4.16 `config-patch-record-projection`).
-fn materialize_config_patch_record_from_config_decl(
-    dag: &mut Dag,
-    config_ty: DeclarationId,
-    span: &SourceSpan,
-) -> Option<TypeConnective> {
-    let mut subst = LowerSubstStack::default();
-    let conj_id = walk_to_conj_decl_with_subst_lower(dag, config_ty, &mut subst)?;
-    let children = match &dag.declaration(conj_id).connective {
-        TypeConnective::Conj { children } => children.clone(),
-        _ => return None,
-    };
-    let field_patch_tpl = v4_std_patch_named_declaration(dag, "FieldPatch")?;
-    let field_patch_param = template_param_id(dag, field_patch_tpl, 0)?;
-    let patch_children: Vec<Field> = children
-        .into_iter()
-        .map(|field| {
-            let field_ty = concretize_decl_with_lower_subst(dag, field.ty, &subst, 0);
-            let patch_field_ty = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id: patch_field_ty,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template: field_patch_tpl,
-                    arguments: vec![TemplateArgument {
-                        parameter: field_patch_param,
-                        value: field_ty,
-                    }],
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span.clone(),
-            });
-            Field {
-                label: field.label.clone(),
-                ty: patch_field_ty,
-            }
-        })
-        .collect();
-    Some(TypeConnective::Conj {
-        children: patch_children,
-    })
-}
-
-fn materialize_config_patch_record_connective(
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    local: &HashMap<String, DeclarationId>,
-    args: &[TypeAngleArg],
-    span: &SourceSpan,
-) -> Option<TypeConnective> {
-    if args.len() != 1 {
-        return None;
-    }
-    let config_ty = type_angle_arg_to_declaration_id(&args[0], symbols, local, dag);
-    materialize_config_patch_record_from_config_decl(dag, config_ty, span)
-}
-
-fn config_patch_record_decl_for_config(
-    dag: &mut Dag,
-    config_decl: DeclarationId,
-    span: &SourceSpan,
-) -> Option<DeclarationId> {
-    let connective = materialize_config_patch_record_from_config_decl(dag, config_decl, span)?;
-    let id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id,
-        name: None,
-        connective,
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span.clone(),
-    });
-    Some(id)
-}
-
-const V4_STD_PATCH_DAG_SUFFIX: &str = "v4/std/patch.dag";
-
-fn declaration_authority_is_v4_std_patch(dag: &Dag, decl_id: DeclarationId) -> bool {
-    dag.declaration(decl_id)
-        .span
-        .file
-        .replace('\\', "/")
-        .ends_with(V4_STD_PATCH_DAG_SUFFIX)
-}
-
-/// Unique top-level declaration authored in `src/v4/std/patch.dag` (fail-closed on homographs).
-fn v4_std_patch_named_declaration(dag: &Dag, name: &str) -> Option<DeclarationId> {
-    let mut matches = dag
-        .declarations()
-        .iter()
-        .filter(|decl| {
-            decl.name.as_deref() == Some(name)
-                && declaration_authority_is_v4_std_patch(dag, decl.id)
-        })
-        .map(|decl| decl.id)
-        .collect::<Vec<_>>();
-    matches.sort_by_key(|id| id.raw());
-    match matches.as_slice() {
-        [only] => Some(*only),
-        _ => None,
-    }
-}
-
-/// Surface `Parameterized` names must resolve to the canonical `v4.std.patch` template id.
-fn surface_parameterized_name_resolves_to_template(
-    dag: &Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    local: &HashMap<String, DeclarationId>,
-    surface_name: &str,
-    expected_template_name: &str,
-) -> bool {
-    let Some(canonical) = v4_std_patch_named_declaration(dag, expected_template_name) else {
-        return false;
-    };
-    let Some(&resolved) = local
-        .get(surface_name)
-        .or_else(|| symbols.get(surface_name))
-    else {
-        return false;
-    };
-    resolved == canonical
-}
-
-fn callable_is_v4_std_patch_config_patch_layer(dag: &Dag, decl_id: DeclarationId) -> bool {
-    v4_std_patch_named_declaration(dag, "config_patch_layer") == Some(decl_id)
-}
-
-fn config_patch_layer_args_diagnostic(span: &SourceSpan) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: "config_patch_layer requires exactly two named arguments (base: <config>, patch: <config-patch>)"
-            .to_string(),
-        span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "LoweringDiagnostic",
-        ),
-    }
-}
-
-fn config_patch_layer_body_fallback_diagnostic(span: &SourceSpan) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: "config_patch_layer must be expanded at the call site by the v3 lowerer; \
-              executing the surface stub body is forbidden"
-            .to_string(),
-        span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "LoweringDiagnostic",
-        ),
-    }
-}
-
-fn config_patch_record_materialization_failed_diagnostic(span: &SourceSpan) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: "ConfigPatchRecord<Config> requires Config to lower to a record (Conj)".to_string(),
-        span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "LoweringDiagnostic",
-        ),
-    }
-}
-
-/// Parse `config_patch_layer(base: …, patch: …)` call-site named operands.
-fn extract_config_patch_layer_operands(
-    args: &[SurfaceExpr],
-) -> Option<(&SurfaceExpr, &SurfaceExpr)> {
-    let [SurfaceExpr::Record { fields, .. }] = args else {
-        return None;
-    };
-    let mut base = None;
-    let mut patch = None;
-    for field in fields {
-        match field.name.as_str() {
-            "base" if base.is_none() => base = Some(&field.value),
-            "patch" if patch.is_none() => patch = Some(&field.value),
-            _ => return None,
-        }
-    }
-    Some((base?, patch?))
-}
-
-/// Project one record field from a Var or Path carrier (the call-site base/patch expressions).
-fn surface_field_access_expr(
-    carrier: &SurfaceExpr,
-    field_label: &str,
-    span: &SourceSpan,
-) -> Option<SurfaceExpr> {
-    let field_span = SourceSpan::new(span.file.as_str(), span.byte_start, span.byte_end);
-    match carrier {
-        SurfaceExpr::Var {
-            name,
-            span: carrier_span,
-        } => Some(SurfaceExpr::Path {
-            segments: vec![name.clone(), field_label.to_string()],
-            segment_spans: vec![carrier_span.clone(), field_span],
-            span: span.clone(),
-        }),
-        SurfaceExpr::Path {
-            segments,
-            segment_spans,
-            span: path_span,
-        } => {
-            let mut segs = segments.clone();
-            let mut spans = segment_spans.clone();
-            segs.push(field_label.to_string());
-            spans.push(field_span);
-            Some(SurfaceExpr::Path {
-                segments: segs,
-                segment_spans: spans,
-                span: path_span.clone(),
-            })
-        }
-        _ => None,
-    }
-}
-
-/// Symbols for expanding `config_patch_layer` at a call site: caller scope plus
-/// `apply_field_patch` from `v4.std.patch` (resolved via `Dag::declaration_by_name`, not
-/// caller imports).
-fn config_patch_layer_expansion_symbols(
-    dag: &Dag,
-    symbols: &HashMap<String, DeclarationId>,
-) -> Option<HashMap<String, DeclarationId>> {
-    let apply_field_patch = v4_std_patch_named_declaration(dag, "apply_field_patch")?;
-    let mut expansion_symbols = symbols.clone();
-    expansion_symbols.insert("apply_field_patch".to_string(), apply_field_patch);
-    Some(expansion_symbols)
-}
-
-fn config_patch_layer_missing_apply_field_patch_diagnostic(span: &SourceSpan) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: "config_patch_layer expansion requires `apply_field_patch` from v4.std.patch in the compilation DAG"
-            .to_string(),
-        span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "LoweringDiagnostic",
-        ),
-    }
-}
-
-fn surface_apply_field_patch_from_operands(
-    base_operand: &SurfaceExpr,
-    patch_operand: &SurfaceExpr,
-    field_label: &str,
-    span: &SourceSpan,
-) -> Option<SurfaceExpr> {
-    let base_field = surface_field_access_expr(base_operand, field_label, span)?;
-    let patch_field = surface_field_access_expr(patch_operand, field_label, span)?;
-    Some(SurfaceExpr::Call {
-        target: "apply_field_patch".to_string(),
-        args: vec![SurfaceExpr::Record {
-            fields: vec![
-                SurfaceRecordField {
-                    name: "base".to_string(),
-                    value: base_field,
-                    span: span.clone(),
-                },
-                SurfaceRecordField {
-                    name: "patch".to_string(),
-                    value: patch_field,
-                    span: span.clone(),
-                },
-            ],
-            span: span.clone(),
-        }],
-        span: span.clone(),
-    })
-}
-
-/// Expand `config_patch_layer(base: …, patch: …)` into per-field `apply_field_patch`
-/// and a config record rebuild (same semantics as hand-written `*_layer` mirrors).
-#[allow(clippy::too_many_arguments)]
-fn try_lower_config_patch_layer_invocation(
-    base_target_decl: DeclarationId,
-    args: &[SurfaceExpr],
-    span: &SourceSpan,
-    dag: &mut Dag,
-    scope: &HashMap<String, PortId>,
-    callable_scope: &CallableScope,
-    symbols: &HashMap<String, DeclarationId>,
-    expected_decl: Option<DeclarationId>,
-) -> Option<PortId> {
-    if !callable_is_v4_std_patch_config_patch_layer(dag, base_target_decl) {
-        return None;
-    }
-    let config_decl = match expected_decl {
-        Some(decl) => decl,
-        None => {
-            return Some(unresolved_port(
-                dag,
-                config_patch_layer_args_diagnostic(span),
-            ));
-        }
-    };
-    let (base_operand, patch_operand) = match extract_config_patch_layer_operands(args) {
-        Some(operands) => operands,
-        None => {
-            return Some(unresolved_port(
-                dag,
-                config_patch_layer_args_diagnostic(span),
-            ));
-        }
-    };
-    let conj_id = match walk_to_conj_decl(dag, config_decl) {
-        Some(id) => id,
-        None => {
-            return Some(unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: "config_patch_layer return type must be a record (Conj)".to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            ));
-        }
-    };
-    let children = match &dag.declaration(conj_id).connective {
-        TypeConnective::Conj { children } => children.clone(),
-        _ => {
-            return Some(unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: "config_patch_layer return type must be a record (Conj)".to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            ));
-        }
-    };
-    if !matches!(
-        base_operand,
-        SurfaceExpr::Var { .. } | SurfaceExpr::Path { .. }
-    ) || !matches!(
-        patch_operand,
-        SurfaceExpr::Var { .. } | SurfaceExpr::Path { .. }
-    ) {
-        return Some(unresolved_port(
-            dag,
-            Diagnostic::ResolveError {
-                name: "config_patch_layer operands must be variables or paths".to_string(),
-                span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        ));
-    }
-    let patch_record_decl = match config_patch_record_decl_for_config(dag, config_decl, span) {
-        Some(decl) => decl,
-        None => {
-            return Some(unresolved_port(
-                dag,
-                config_patch_record_materialization_failed_diagnostic(span),
-            ));
-        }
-    };
-    let base_port = lower_expr(
-        base_operand,
-        dag,
-        scope,
-        callable_scope,
-        symbols,
-        Some(config_decl),
-    );
-    if matches!(
-        dag.port(base_port).state(),
-        crate::dag::PortState::Unresolved
-    ) {
-        return Some(base_port);
-    }
-    let patch_port = lower_expr(
-        patch_operand,
-        dag,
-        scope,
-        callable_scope,
-        symbols,
-        Some(patch_record_decl),
-    );
-    if matches!(
-        dag.port(patch_port).state(),
-        crate::dag::PortState::Unresolved
-    ) {
-        return Some(patch_port);
-    }
-    let mut record_fields: Vec<SurfaceRecordField> = Vec::with_capacity(children.len());
-    for field in children {
-        let value = match surface_apply_field_patch_from_operands(
-            base_operand,
-            patch_operand,
-            &field.label,
-            span,
-        ) {
-            Some(expr) => expr,
-            None => {
-                return Some(unresolved_port(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "config_patch_layer operands must be variables or paths so field `{}` can be projected",
-                            field.label
-                        ),
-                        span: span.clone(),
-                        correction:
-                            crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                "LoweringDiagnostic",
-                            ),
-                    },
-                ));
-            }
-        };
-        record_fields.push(SurfaceRecordField {
-            name: field.label.clone(),
-            value,
-            span: span.clone(),
-        });
-    }
-    let expansion_symbols = match config_patch_layer_expansion_symbols(dag, symbols) {
-        Some(symbols) => symbols,
-        None => {
-            return Some(unresolved_port(
-                dag,
-                config_patch_layer_missing_apply_field_patch_diagnostic(span),
-            ));
-        }
-    };
-    Some(lower_record_literal_expr(
-        &record_fields,
-        span,
-        dag,
-        scope,
-        callable_scope,
-        &expansion_symbols,
-        Some(config_decl),
-    ))
-}
-
-/// Lower a `SurfaceType` to a fresh DeclarationId. Used for field types,
-/// Arrow parameters, and template arguments. Allocates anonymous (unnamed)
-/// declarations for composite shapes; looks up named references against
-/// `local` (type params in scope) first, then `symbols` (top-level names).
-/// Unknown names get an Identifier Atom stub with `resolved: None` — pass
-/// 2 and inference are responsible for filling it in or reporting.
-fn type_to_declaration_id(
-    ty: &SurfaceType,
-    symbols: &HashMap<String, DeclarationId>,
-    local: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-) -> DeclarationId {
-    match ty {
-        SurfaceType::Named { name, .. } => {
-            if let Some(id) = local.get(name) {
-                return *id;
-            }
-            if let Some(id) = symbols.get(name) {
-                return *id;
-            }
-            alloc_identifier_stub(dag, name, ty.span())
-        }
-        SurfaceType::Parameterized { name, args, span } => {
-            if let Some(connective) =
-                materialize_algebra_machine_width_width_nat(dag, symbols, local, name, args, span)
-            {
-                let id = dag.alloc_declaration_id();
-                dag.push_declaration(Declaration {
-                    id,
-                    name: None,
-                    connective,
-                    type_params: Vec::new(),
-                    phantom_params: Vec::new(),
-                    meta_tag: None,
-                    specialization_parent: None,
-                    inhabits: None,
-                    value_body: None,
-                    refinement: None,
-                    nominal_opacity: None,
-                    span: span.clone(),
-                });
-                return id;
-            }
-            if surface_parameterized_name_resolves_to_template(
-                dag,
-                symbols,
-                local,
-                name,
-                "ConfigPatchRecord",
-            ) {
-                if let Some(connective) =
-                    materialize_config_patch_record_connective(dag, symbols, local, args, span)
-                {
-                    let id = dag.alloc_declaration_id();
-                    dag.push_declaration(Declaration {
-                        id,
-                        name: None,
-                        connective,
-                        type_params: Vec::new(),
-                        phantom_params: Vec::new(),
-                        meta_tag: None,
-                        specialization_parent: None,
-                        inhabits: None,
-                        value_body: None,
-                        refinement: None,
-                        nominal_opacity: None,
-                        span: span.clone(),
-                    });
-                    return id;
-                }
-                report_declaration_error(
-                    dag,
-                    config_patch_record_materialization_failed_diagnostic(span),
-                );
-                return alloc_identifier_stub(dag, "ConfigPatchRecord", span);
-            }
-            let template_id = local
-                .get(name)
-                .or_else(|| symbols.get(name))
-                .copied()
-                .unwrap_or_else(|| alloc_identifier_stub(dag, name, span));
-            let arguments =
-                build_template_arguments(dag, symbols, local, template_id, name, args, span);
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template: template_id,
-                    arguments,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span.clone(),
-            });
-            id
-        }
-        SurfaceType::Optional { inner, span } => {
-            let element = type_to_declaration_id(inner, symbols, local, dag);
-            dag.alloc_cardinality_decl(element, CardinalityBound::AtMostOne, span.clone())
-        }
-        SurfaceType::Arrow {
-            inputs,
-            output,
-            span,
-        } => {
-            let input_ids: Vec<DeclarationId> = inputs
-                .iter()
-                .map(|i| type_to_declaration_id(i, symbols, local, dag))
-                .collect();
-            let output_id = type_to_declaration_id(output, symbols, local, dag);
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Arrow {
-                    inputs: input_ids,
-                    output: output_id,
-                    // Anonymous nested Arrow inside a larger type expression
-                    // (e.g. `cb: fn(Int) -> Int` as a parameter type, or
-                    // `handler: fn(Int) -> Int` as an algebra/record field).
-                    // Function-as-data: no executable body, by construction.
-                    // `NoBody` makes that fact structural so any future named
-                    // refactor of these declarations does not silently
-                    // become an `Arrow(Pending)` lens target.
-                    body: ArrowBody::NoBody,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: span.clone(),
-            });
-            id
-        }
-    }
-}
-
-/// Lower a `SurfaceType` directly to a connective (not a new declaration).
-/// Used for `TypeAlias` targets where we want the alias declaration itself
-/// to carry the aliased shape, not a one-level-indirect wrapper.
-fn type_to_connective(
-    ty: &SurfaceType,
-    symbols: &HashMap<String, DeclarationId>,
-    local: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-) -> TypeConnective {
-    match ty {
-        SurfaceType::Named { name, .. } => {
-            let template = local
-                .get(name)
-                .or_else(|| symbols.get(name))
-                .copied()
-                .unwrap_or_else(|| alloc_identifier_stub(dag, name, ty.span()));
-            TypeConnective::Instantiation {
-                template,
-                arguments: Vec::new(),
-            }
-        }
-        SurfaceType::Parameterized { name, args, span } => {
-            if let Some(conn) =
-                materialize_algebra_machine_width_width_nat(dag, symbols, local, name, args, span)
-            {
-                return conn;
-            }
-            if surface_parameterized_name_resolves_to_template(
-                dag,
-                symbols,
-                local,
-                name,
-                "ConfigPatchRecord",
-            ) {
-                if let Some(conn) =
-                    materialize_config_patch_record_connective(dag, symbols, local, args, span)
-                {
-                    return conn;
-                }
-                report_declaration_error(
-                    dag,
-                    config_patch_record_materialization_failed_diagnostic(span),
-                );
-                return TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(
-                    "ConfigPatchRecord".to_string(),
-                ));
-            }
-            let template = local
-                .get(name)
-                .or_else(|| symbols.get(name))
-                .copied()
-                .unwrap_or_else(|| alloc_identifier_stub(dag, name, span));
-            let arguments =
-                build_template_arguments(dag, symbols, local, template, name, args, span);
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            }
-        }
-        SurfaceType::Optional { inner, .. } => {
-            let element = type_to_declaration_id(inner, symbols, local, dag);
-            type_connective_cardinality(dag, element, CardinalityBound::AtMostOne)
-        }
-        SurfaceType::Arrow { inputs, output, .. } => TypeConnective::Arrow {
-            inputs: inputs
-                .iter()
-                .map(|i| type_to_declaration_id(i, symbols, local, dag))
-                .collect(),
-            output: type_to_declaration_id(output, symbols, local, dag),
-            // `type_to_connective` is invoked from two callers:
-            // `lower_type_alias` (`type Callback = fn(Int) -> Int`) and
-            // `lower_data_item` (`data x: fn(Int) -> Int = ...`). In
-            // both contexts an Arrow shape here is a TYPE-LEVEL function
-            // type with no executable body, so `NoBody` is correct in
-            // both. `Pending` would false-positive on
-            // `lens_structural_resolution` for the named-declaration
-            // outputs of either caller.
-            body: ArrowBody::NoBody,
-        },
-    }
-}
-
-/// Lower a single angle-bracket type argument (full `SurfaceType` or gate-60 width literal).
-fn type_angle_arg_to_declaration_id(
-    arg: &TypeAngleArg,
-    symbols: &HashMap<String, DeclarationId>,
-    local: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-) -> DeclarationId {
-    match arg {
-        TypeAngleArg::TypeExpr { ty } => type_to_declaration_id(ty, symbols, local, dag),
-        TypeAngleArg::WidthNatLiteral { decimal, span } => {
-            alloc_literal_width_nat_decl(dag, decimal, span.clone())
-        }
-    }
-}
-
-/// Build the `TemplateArgument` list for an `Instantiation`.
-///
-/// Two-phase bootstrap means every real declaration's `type_params`
-/// slot is populated by the time lowering runs, so real templates
-/// always produce well-formed `TemplateArgument`s whose `parameter`
-/// edge points at a genuine TypeParam atom — honoring the field's
-/// contract in `dag::TemplateArgument`.
-///
-/// **Stub templates** — anonymous `UnresolvedIdentifier` stubs
-/// created when a name can't be resolved at lower time — produce an
-/// **empty argument list**. The stub itself already has a diagnostic
-/// waiting for it (bootstrap mode tolerates bootstrap-range dangling
-/// refs like `Tuple` in `algebra.dag`; user-code mode fails closed
-/// via the strict sweep), so there is no additional consumer that
-/// needs a per-argument `TemplateArgument` when the template is
-/// unresolved. The old "self-reference tolerated scaffold" path is
-/// deleted per QW4 — `TemplateArgument.parameter` is no longer
-/// representable as a non-TypeParam reference at construction
-/// time.
-fn build_template_arguments(
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    local: &HashMap<String, DeclarationId>,
-    template: DeclarationId,
-    template_name: &str,
-    args: &[TypeAngleArg],
-    span: &SourceSpan,
-) -> Vec<TemplateArgument> {
-    let template_decl = dag.declaration(template);
-    let template_is_stub = template_decl.name.is_none()
-        && matches!(
-            &template_decl.connective,
-            TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        );
-    if template_is_stub {
-        // Consume the argument surface types for their side effects
-        // (nested stub allocation, diagnostic attachment), but do not
-        // construct any TemplateArgument values — the template's
-        // pending error is the authoritative failure for this
-        // instantiation, and a TemplateArgument whose parameter
-        // wasn't a TypeParam would violate the field contract.
-        for arg in args {
-            let _ = type_angle_arg_to_declaration_id(arg, symbols, local, dag);
-        }
-        return Vec::new();
-    }
-    let Some(template_for_params) =
-        resolve_template_for_type_parameters(dag, template, template_name, span)
-    else {
-        for arg in args {
-            let _ = type_angle_arg_to_declaration_id(arg, symbols, local, dag);
-        }
-        return Vec::new();
-    };
-    let template_param_count = dag.declaration(template_for_params).type_params.len();
-    if template_param_count != args.len() {
-        report_declaration_error(
-            dag,
-            Diagnostic::ArityMismatch {
-                function: format!("type `{template_name}`"),
-                expected: template_param_count,
-                actual: args.len(),
-                span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-        // Arity mismatch is an authoritative failure. Consume the
-        // argument surface types for their side effects and return
-        // nothing — building partial TemplateArguments would require
-        // inventing parameter references that don't exist, which
-        // would violate the field contract.
-        for arg in args {
-            let _ = type_angle_arg_to_declaration_id(arg, symbols, local, dag);
-        }
-        return Vec::new();
-    }
-    args.iter()
-        .enumerate()
-        .map(|(idx, arg)| {
-            let value = type_angle_arg_to_declaration_id(arg, symbols, local, dag);
-            let parameter = template_param_id(dag, template_for_params, idx).expect(
-                "template_param_count equality was checked immediately above — \
-                 param lookup at idx < count must succeed",
-            );
-            TemplateArgument { parameter, value }
-        })
-        .collect()
-}
-
-/// Allocate a stub Identifier-atom declaration. Callers reach this path when
-/// name resolution fails against the local type-parameter scope and the
-/// current top-level symbol table snapshot. The stub deliberately carries
-/// `resolved: None` and stays in the declaration graph so that a later
-/// `resolve_pending_identifiers` sweep can either fill it in (forward
-/// references across bootstrap fixtures) or emit a fail-closed diagnostic.
-fn alloc_identifier_stub(dag: &mut Dag, name: &str, span: &SourceSpan) -> DeclarationId {
-    let id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id,
-        name: None,
-        connective: TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name.to_string())),
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span.clone(),
-    });
-    id
-}
-
-/// Emit a declaration-level diagnostic via `Dag::attach_diagnostic`.
-/// Thin wrapper kept for naming symmetry with the per-item fail-closed
-/// call sites in lowering; bootstrap and tests use
-/// `Dag::attach_diagnostic` directly.
-fn report_declaration_error(dag: &mut Dag, diag: Diagnostic) {
-    dag.attach_diagnostic(diag);
-}
-
-/// Final-pass resolution over anonymous Identifier-atom declarations in
-/// **bootstrap** mode. Resolves every stub whose name is in the
-/// declaration table; **tolerates** stubs whose name is dangling.
-/// Tolerance is bootstrap-specific: the canonical `dsl/std/*.dag`
-/// files carry forward references to types that live in std/ modules
-/// outside the M1(2.6) load set (e.g., `Tuple` referenced from
-/// `algebra.dag` with no defining `.dag` file among the seven loaded),
-/// and those are not bootstrap errors. User-facing code uses the
-/// strict variant below.
-#[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-pub(crate) fn resolve_pending_identifiers(dag: &mut Dag) {
-    run_identifier_sweep(dag, /*strict_from=*/ usize::MAX);
-}
-
-/// Final-pass resolution in **strict** mode: every Identifier stub at
-/// a declaration id `>= strict_from` that cannot resolve emits a
-/// fail-closed `ResolveError`. Used by `lower` for user modules, where
-/// `strict_from` is the declaration count before user lowering began.
-/// Stubs in the bootstrap range (id < strict_from) are still resolved
-/// opportunistically but tolerated.
-pub(crate) fn resolve_pending_identifiers_strict(dag: &mut Dag, strict_from: usize) {
-    run_identifier_sweep(dag, strict_from);
-}
-
-/// User-mode scaffold rejection. `FnExternalBody` lowers to
-/// `ArrowBody::Unparsed(SourceSpan)`; `Data` lowers to a declaration
-/// with `value_body = Some(ValueBody::Unparsed(SourceSpan))`. Both
-/// are load-bearing scaffolds for std/bootstrap files whose bodies
-/// the M1(2.8) parser cannot yet lower. For ordinary user code they
-/// are a fail-closed concern: an opaque body that the compiler has
-/// not validated shipping through `compile_to_dag` violates the
-/// fail-closed static-grounding invariant.
-///
-/// This sweep walks declarations at id `>= strict_from` (i.e. the
-/// user-lowered range) and attaches a fail-closed diagnostic for
-/// each `Unparsed` scaffold found. Bootstrap-range declarations
-/// (id < strict_from) are tolerated — those scaffolds exist by
-/// design until the parser grows to cover the remaining std/
-/// grammar (match / record literals / lambdas / pipes / data body
-/// literals — see `DOWNSTREAM_REQUIREMENTS.md` class-5 gap list).
-///
-/// Diagnostics are attached via `report_declaration_error`
-/// (`Dag::attach_diagnostic`), which routes through the phantom-port
-/// channel so they surface via `compile_to_dag`'s standard
-/// `CompileError::Semantic` path.
-fn reject_user_unparsed_scaffolds(dag: &mut Dag, strict_from: usize) {
-    // Snapshot the offending (id, span) pairs first so we can emit
-    // diagnostics without holding a long immutable borrow of the
-    // declaration slice.
-    let mut unparsed_fn_scaffolds: Vec<(DeclarationId, String, SourceSpan)> = Vec::new();
-    let mut unparsed_data_scaffolds: Vec<(DeclarationId, String, SourceSpan)> = Vec::new();
-    for decl in dag.declarations() {
-        if (decl.id.raw() as usize) < strict_from {
-            continue;
-        }
-        let name = decl
-            .name
-            .clone()
-            .unwrap_or_else(|| format!("declaration#{}", decl.id.raw()));
-        if let TypeConnective::Arrow {
-            body: ArrowBody::Unparsed(span),
-            ..
-        } = &decl.connective
-        {
-            unparsed_fn_scaffolds.push((decl.id, name.clone(), span.clone()));
-        }
-        if let Some(crate::dag::ValueBody::Unparsed(span)) = &decl.value_body {
-            unparsed_data_scaffolds.push((decl.id, name, span.clone()));
-        }
-    }
-    for (_, name, span) in unparsed_fn_scaffolds {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "function `{name}` has an opaque block body — M1(2.8) user code cannot yet use match / record literals / lambdas inside block-bodied fn definitions (see DOWNSTREAM_REQUIREMENTS.md class-5 gaps)"
-                ),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                span,
-            },
-        );
-    }
-    for (_, name, span) in unparsed_data_scaffolds {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{name}` has an opaque body — M1(2.8) user code cannot ship a data body the compiler could not structurally validate (see DOWNSTREAM_REQUIREMENTS.md class-5 gap #3)"
-                ),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                span,
-            },
-        );
-    }
-}
-
-fn run_identifier_sweep(dag: &mut Dag, strict_from: usize) {
-    let snapshot: Vec<(DeclarationId, String, SourceSpan)> = dag
-        .declarations()
-        .iter()
-        .filter_map(|d| match &d.connective {
-            TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name)) => {
-                Some((d.id, name.clone(), d.span.clone()))
-            }
-            _ => None,
-        })
-        .collect();
-
-    for (decl_id, name, span) in snapshot {
-        // Operator identifiers (`+`, `-`, ...) no longer flow through
-        // this sweep — they are committed to
-        // `TransformTarget::Operator(OperatorKind)` at parse time and
-        // never allocate a stub declaration. Any `UnresolvedIdentifier`
-        // atom that reaches this point is a real name-reference stub
-        // waiting for lower-time or sweep-time resolution.
-        if let Some(target) = dag.declaration_by_name(&name).map(|d| d.id) {
-            if target == decl_id {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!("type `{name}` resolves to itself"),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "LoweringDiagnostic",
-                        ),
-                        span,
-                    },
-                );
-                continue;
-            }
-            // Structural phase transition: rewrite the connective from
-            // `UnresolvedIdentifier(name)` to `ResolvedByName(target)`.
-            // The phase is now visible in the variant, not hidden in
-            // an Option field.
-            dag.declaration_mut(decl_id).connective =
-                TypeConnective::Atom(AtomPayload::ResolvedByName(target));
-        } else if (decl_id.raw() as usize) >= strict_from {
-            // Strict mode for user-lowering stubs: any
-            // `UnresolvedIdentifier` that survives the sweep is a
-            // fail-closed ResolveError. After this loop every
-            // user-range Identifier atom is either a
-            // ResolvedIdentifier or has attached a diagnostic.
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!("unresolved type identifier `{name}`"),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                    span,
-                },
-            );
-        }
-        // else: bootstrap-range dangling ref, tolerated. The canonical
-        // std/ files may forward-reference types that live in std/
-        // modules outside the M1(2.6) load set; those are not errors.
-    }
-}
-
-/// Return the `idx`-th type parameter declaration of a template. Reads the
-/// canonical `Declaration.type_params` slot rather than filtering
-/// `Conj.children` — type params are first-class on `Declaration` per
-/// M1(2.5)'s refactor. Returns None when the template has fewer params than
-/// `idx` requires; callers must fail-closed (not substitute a fallback).
-fn template_param_id(dag: &Dag, template: DeclarationId, idx: usize) -> Option<DeclarationId> {
-    dag.declaration(template).type_params.get(idx).copied()
-}
-
-/// Upper bound on `ResolvedByName` hops while resolving an imported type to the
-/// declaration that carries `type_params` for generic application (INVARIANTS
-/// §P3/P4 — bounded lowering). Longer chains (including cyclic forwarding)
-/// fail closed with [`Diagnostic::ResolveError`].
-const MAX_TEMPLATE_IMPORT_ALIAS_DEPTH: usize = 64;
-
-/// `import std.other { Foo }` introduces a forwarding declaration whose
-/// connective is `Atom(ResolvedByName(target))` with an empty `type_params`
-/// slot. Generic instantiation must read params from the **target** template
-/// (e.g. `ApproximateField<F>` in `src/v3/std/approximate_field.dag`), not the
-/// import stub — otherwise `Foo<Bar>` lowers as arity-0 and drops arguments.
-///
-/// Returns `None` after attaching `ResolveError` when the chain exceeds
-/// [`MAX_TEMPLATE_IMPORT_ALIAS_DEPTH`] (cycle or pathological depth).
-fn resolve_template_for_type_parameters(
-    dag: &mut Dag,
-    template: DeclarationId,
-    template_name: &str,
-    span: &SourceSpan,
-) -> Option<DeclarationId> {
-    match follow_resolved_by_name_bounded(dag, template, MAX_TEMPLATE_IMPORT_ALIAS_DEPTH) {
-        Some(id) => Some(id),
-        None => {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "type `{template_name}`: import-alias chain exceeds bound ({MAX_TEMPLATE_IMPORT_ALIAS_DEPTH} `ResolvedByName` hops)"
-                    ),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                },
-            );
-            None
-        }
-    }
-}
-
-// DB-11 (3a.3) single-construction-authority cleanup:
-// `lower_fn_item_unparsed` used to run a full parameter-decl walk
-// and an Arrow overwrite here — duplicating the work that
-// `seed_function_signatures_phase` already did for every
-// `SurfaceItem::FnExternalBody`. When a parameter carried a `where`
-// refinement, the duplication pushed a second predicate Bind and a
-// second refined Declaration into the DAG and then overwrote the
-// Arrow's `inputs` to point at the duplicates, leaving the seeded
-// predicate Bind and refined Declaration orphaned. Seeding already
-// produces the final Arrow shape (`ArrowBody::Unparsed(body_span)`),
-// so the function was redundant and is now deleted; the caller in
-// the `SurfaceItem::FnExternalBody` arm has been simplified to a
-// no-op since the signature flows directly from seeding.
-
-/// Lower a `SurfaceItem::Data` — a typed constant whose body is not
-/// yet parseable as a `SurfaceExpr`. The declaration carries two
-/// facts:
-///
-/// - `connective` = the resolved type annotation (via
-///   `type_to_connective`). The declaration's type is accessible
-///   through the same path as type aliases.
-/// - `value_body = Some(ValueBody::Unparsed(body_span))`. This
-///   makes the declaration structurally distinguishable from a
-///   type alias (which has `value_body = None`) so consumers can
-///   tell "data value with this type" from "type alias of this
-///   type" by reading the substrate directly.
-///
-/// **QW2 + structural scaffold honesty** (M1(2.7) review round 9):
-/// before this fix, lowering dropped the body entirely and set
-/// the connective to the type. The declaration was structurally
-/// identical to a type alias — the substrate admitted a state
-/// where "data vs type" had no distinction. Now the fact survives
-/// as an Unparsed scaffold with an explicit dissolution trigger
-/// (M2+ record/map/list literal parser extension), and the
-/// declaration carries both the declared type and the body span
-/// for future parser passes to consume.
-struct DataLoweringContext<'a> {
-    dag: &'a mut Dag,
-    symbols: &'a HashMap<String, DeclarationId>,
-    pending_refined_function_refs: &'a HashSet<DeclarationId>,
-    invalid_data_lambda_cluster: Option<&'a InvalidMutualCluster>,
-}
-
-fn lower_data_item(
-    name: &str,
-    ty: &SurfaceType,
-    body: Option<&SurfaceExpr>,
-    body_span: &SourceSpan,
-    ctx: &mut DataLoweringContext<'_>,
-) {
-    let decl_id = ctx.symbols[name];
-    let ty_decl_id = initialize_data_declaration_type(name, ty, ctx.dag, ctx.symbols);
-    // Attempt structural inhabitance checking if the body parsed
-    // as a record literal. Falls back to Unparsed on any failure
-    // (walk doesn't terminate at a Conj, missing field, extra
-    // field, value isn't a literal, type mismatch). Fail-closed
-    // paths attach a diagnostic via `report_declaration_error` so
-    // user-facing code sees the error.
-    // DB-10 (3a.2): `data x: T = v` bodies lower by shape:
-    //   - Lambda        → executable Arrow on the data declaration.
-    //   - Record literal → ValueBody::Structural (existing path).
-    //   - List literal   → ValueBody::List (top-level aggregate path).
-    //   - Scalar literal  → ValueBody::Scalar (new path, DB-10).
-    //   - Map literal     → ValueBody::Map (top-level string-keyed map path).
-    //   - Anything else   → ValueBody::Unparsed fallback.
-    let mut suppress_unparsed_scaffold = false;
-    let value_body = match body {
-        Some(SurfaceExpr::Lambda { params, body, span }) => {
-            if let Some(invalid_cluster) = ctx.invalid_data_lambda_cluster {
-                let diagnostic = Diagnostic::ResolveError {
-                    name: format!(
-                        "function-valued data `{name}` participates in an unbounded callable cycle {{{}}}; recursive data lambdas are rejected until they participate in the bounded recursion gate",
-                        invalid_cluster.members.join(", ")
-                    ),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                };
-                let rejected = rejected_data_lambda_connective(
-                    name,
-                    ctx.dag.declaration(decl_id).connective.clone(),
-                    diagnostic.clone(),
-                    span,
-                    ctx.dag,
-                );
-                ctx.dag.declaration_mut(decl_id).connective = rejected;
-                report_declaration_error(ctx.dag, diagnostic);
-                None
-            } else {
-                let empty_scope = HashMap::new();
-                let empty_callable_scope = CallableScope::new();
-                let mut lambda_ctx = LambdaLoweringContext {
-                    dag: ctx.dag,
-                    scope: &empty_scope,
-                    callable_scope: &empty_callable_scope,
-                    symbols: ctx.symbols,
-                };
-                match lower_lambda_expr_to_arrow(params, body, span, ty_decl_id, &mut lambda_ctx) {
-                    Ok(connective) => {
-                        lambda_ctx.dag.declaration_mut(decl_id).connective = connective;
-                        suppress_unparsed_scaffold = true;
-                        None
-                    }
-                    Err(diag) => {
-                        let rejected = rejected_data_lambda_connective(
-                            name,
-                            lambda_ctx.dag.declaration(decl_id).connective.clone(),
-                            diag.clone(),
-                            span,
-                            lambda_ctx.dag,
-                        );
-                        lambda_ctx.dag.declaration_mut(decl_id).connective = rejected;
-                        report_declaration_error(lambda_ctx.dag, diag);
-                        None
-                    }
-                }
-            }
-        }
-        Some(SurfaceExpr::Record { fields, .. }) => lower_record_to_structural(
-            name,
-            fields,
-            ty_decl_id,
-            body_span,
-            ctx.symbols,
-            ctx.dag,
-            ctx.pending_refined_function_refs,
-        ),
-        Some(list_expr @ SurfaceExpr::List { .. }) => lower_list_to_structural(
-            name,
-            list_expr,
-            ty_decl_id,
-            ctx.symbols,
-            ctx.dag,
-            ctx.pending_refined_function_refs,
-        ),
-        Some(lit_expr @ SurfaceExpr::Literal { .. }) => {
-            match lower_scalar_literal_for_type(lit_expr, ty_decl_id, ctx.dag) {
-                LowerScalarLiteralOutcome::Literal(bits) => {
-                    Some(crate::dag::ValueBody::Scalar(bits))
-                }
-                LowerScalarLiteralOutcome::NotApplicable => None,
-                LowerScalarLiteralOutcome::Reject(diag) => {
-                    suppress_unparsed_scaffold = true;
-                    report_declaration_error(ctx.dag, diag);
-                    None
-                }
-            }
-        }
-        Some(map_expr @ SurfaceExpr::Map { .. }) => lower_map_to_structural(
-            name,
-            map_expr,
-            ty_decl_id,
-            ctx.symbols,
-            ctx.dag,
-            ctx.pending_refined_function_refs,
-        ),
-        Some(variant_expr @ SurfaceExpr::VariantRecord { .. }) => {
-            try_lower_symbolic_cost_bind_param_expected_structural_data(
-                name,
-                variant_expr,
-                ty_decl_id,
-                ctx.symbols,
-                ctx.dag,
-                ctx.pending_refined_function_refs,
-            )
-            .or_else(|| {
-                try_lower_symbolic_cost_structural_data(
-                    name,
-                    variant_expr,
-                    ty_decl_id,
-                    ctx.symbols,
-                    ctx.dag,
-                    ctx.pending_refined_function_refs,
-                )
-            })
-        }
-        Some(SurfaceExpr::Call { target, args, .. }) => {
-            match (
-                dsl_std_render_repeat_string_decl_id(ctx.dag),
-                ctx.symbols.get(target),
-            ) {
-                (Some(canonical), Some(&callee)) if callee == canonical => {
-                    try_lower_repeat_string_string_data(args.as_slice(), ty_decl_id, ctx.dag)
-                }
-                _ => try_lower_symbolic_cost_bind_param_expected_structural_data(
-                    name,
-                    body.expect("call arm has body"),
-                    ty_decl_id,
-                    ctx.symbols,
-                    ctx.dag,
-                    ctx.pending_refined_function_refs,
-                )
-                .or_else(|| {
-                    try_lower_symbolic_cost_structural_data(
-                        name,
-                        body.expect("call arm has body"),
-                        ty_decl_id,
-                        ctx.symbols,
-                        ctx.dag,
-                        ctx.pending_refined_function_refs,
-                    )
-                })
-                .or_else(|| {
-                    try_lower_symbolic_cost_constant_cost_data(
-                        target,
-                        args.as_slice(),
-                        ty_decl_id,
-                        ctx.dag,
-                        ctx.symbols.get(target).copied(),
-                    )
-                }),
-            }
-        }
-        _ => None,
-    };
-    ctx.dag.declaration_mut(decl_id).value_body = match value_body {
-        Some(body) => Some(body),
-        None if suppress_unparsed_scaffold => None,
-        None => Some(crate::dag::ValueBody::Unparsed(body_span.clone())),
-    };
-}
-
-fn initialize_data_declaration_type(
-    name: &str,
-    ty: &SurfaceType,
-    dag: &mut Dag,
-    symbols: &HashMap<String, DeclarationId>,
-) -> DeclarationId {
-    let decl_id = symbols[name];
-    if let Some(ty_decl_id) = dag.declaration(decl_id).meta_tag {
-        return ty_decl_id;
-    }
-    let local: HashMap<String, DeclarationId> = HashMap::new();
-    // Compute the declaration id of the type annotation (e.g.
-    // Realization's DeclarationId for `data rust_int: Realization`)
-    // — the walk starts here.
-    let ty_decl_id = type_to_declaration_id(ty, symbols, &local, dag);
-    let connective = type_to_connective(ty, symbols, &local, dag);
-    // meta_tag edge from the data item to its type annotation. This
-    // is what makes a data declaration structurally distinct from a
-    // type alias (R9/R10 + PR-B): the type is readable from the
-    // same field shape as Realization instances in rust.dag, and
-    // downstream consumers (emit_rust) can filter by meta_tag to
-    // find all declarations of a given meta-type.
-    dag.declaration_mut(decl_id).meta_tag = Some(ty_decl_id);
-    dag.declaration_mut(decl_id).connective = connective;
-    ty_decl_id
-}
-
-/// Substrate fact for the R1C-B `repeat_string` data-body fold: only the declaration
-/// introduced from `dsl/std/render.dag` or `render_repeat_string_bootstrap.dag` (the latter
-/// emitted by `src/v3/compiler/build.rs` from the marked excerpt in `render.dag`) is eligible —
-/// not any other `repeat_string` name binding (user/local shadowing).
-fn dsl_std_render_repeat_string_decl_id(dag: &Dag) -> Option<DeclarationId> {
-    // Closed enum of substrate files that introduce the authoritative `repeat_string`
-    // decl (`dsl/std/render.dag` when present in the bundle, else the bootstrap slice).
-    const REPEAT_STRING_AUTHORITY_SUFFIXES: &[&str] = &[
-        "dsl/std/render.dag",
-        "dsl/std/render_repeat_string_bootstrap.dag",
-    ];
-    dag.declarations()
-        .iter()
-        .find(|d| {
-            d.name.as_deref() == Some("repeat_string")
-                && REPEAT_STRING_AUTHORITY_SUFFIXES
-                    .iter()
-                    .any(|suffix| d.span.file.ends_with(suffix))
-        })
-        .map(|d| d.id)
-}
-
-/// R1C-B / T-P0: fold `data …: String = repeat_string(s: <lit>, n: <lit>)` to a
-/// `ValueBody::Scalar` at lower time so `TestRunner` `OutputEquals` witnesses modeled
-/// `repeat_string` without the v2-oracle bridge.
-fn try_lower_repeat_string_string_data(
-    args: &[SurfaceExpr],
-    ty_decl_id: DeclarationId,
-    dag: &Dag,
-) -> Option<crate::dag::ValueBody> {
-    if !is_string_type_decl(dag, ty_decl_id) {
-        return None;
-    }
-    let [arg0] = args else {
-        return None;
-    };
-    let SurfaceExpr::Record { fields, .. } = arg0 else {
-        return None;
-    };
-    let mut s_value: Option<String> = None;
-    let mut n_value: Option<i64> = None;
-    for field in fields {
-        match field.name.as_str() {
-            "s" => match &field.value {
-                SurfaceExpr::Literal {
-                    value: SurfaceLiteral::String(s),
-                    ..
-                } => s_value = Some(s.clone()),
-                _ => return None,
-            },
-            "n" => match &field.value {
-                SurfaceExpr::Literal {
-                    value: SurfaceLiteral::Int(n),
-                    ..
-                } => n_value = Some(i64::from_str(n.as_str()).ok()?),
-                _ => return None,
-            },
-            _ => return None,
-        }
-    }
-    let s = s_value?;
-    let n = n_value?;
-    let folded = fold_repeat_string_semantics(&s, n)?;
-    Some(crate::dag::ValueBody::Scalar(LiteralBits::String(folded)))
-}
-
-fn is_string_type_decl(dag: &Dag, ty_decl_id: DeclarationId) -> bool {
-    if let Some(shape) = dag.string_shape() {
-        return shape.declaration == ty_decl_id;
-    }
-    matches!(dag.declaration(ty_decl_id).name.as_deref(), Some("String"))
-}
-
-/// Upper bound on repeat count for compile-time `repeat_string` folding on `data` bodies.
-const REPEAT_STRING_FOLD_MAX_COUNT: i64 = 1_048_576;
-
-/// Upper bound on produced UTF-8 bytes for the same fold (defense in depth with [`REPEAT_STRING_FOLD_MAX_COUNT`]).
-const REPEAT_STRING_FOLD_MAX_OUTPUT_BYTES: usize = 64 * 1024 * 1024;
-
-/// Semantics aligned with `dsl/std/render.dag` `repeat_string` / `repeat_string_loop` (same text
-/// is mechanically sliced into `render_repeat_string_bootstrap.dag` — see `build.rs`):
-/// `remaining <= 0` returns the accumulator immediately (`""` for `repeat_string`), so **both**
-/// `n == 0` and **`n < 0`** fold to an empty string — matches the bounded-loop story in
-/// `dsl/std/render.dag` (not a separate partial semantics for negative `n`).
-///
-/// Fail-closed on excessive `n` or output size so lowering does not materialize unbounded strings
-/// for hostile literals (see R1C-B T-P0 gate — bounded compile-time fold).
-fn fold_repeat_string_semantics(s: &str, n: i64) -> Option<String> {
-    if n <= 0 {
-        return Some(String::new());
-    }
-    if n > REPEAT_STRING_FOLD_MAX_COUNT {
-        return None;
-    }
-    let total = (s.len() as i128).checked_mul(n as i128)?;
-    if total > REPEAT_STRING_FOLD_MAX_OUTPUT_BYTES as i128 {
-        return None;
-    }
-    Some(s.repeat(n as usize))
-}
-
-fn type_decl_is_symbolic_cost(dag: &Dag, mut ty_decl_id: DeclarationId) -> bool {
-    for _ in 0..32 {
-        let decl = dag.declaration(ty_decl_id);
-        if decl.name.as_deref() == Some("SymbolicCost") {
-            return true;
-        }
-        match &decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                ty_decl_id = *template;
-            }
-            TypeConnective::Atom(
-                AtomPayload::ResolvedByStructure(next) | AtomPayload::ResolvedByName(next),
-            ) => {
-                ty_decl_id = *next;
-            }
-            _ => return false,
-        }
-    }
-    false
-}
-
-fn symbolic_cost_variant_constructor_id(dag: &Dag, variant_label: &str) -> Option<DeclarationId> {
-    let symbolic_cost = dag.declaration_by_name("SymbolicCost")?;
-    let TypeConnective::Disj { variants } = &symbolic_cost.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.label == variant_label)
-        .map(|v| v.ty)
-}
-
-/// `data …: SymbolicCost = ConstantCost(<Int literal>)` — progress on **R3 gate #40**
-/// (`symbolic_cost_expr_equals_executable`) / the ROADMAP.md debt row where §SymbolicCostExprEquals was
-/// still `NotYetImplemented`: a narrow **class-5 gap #3** lowering slice until general `SymbolicCost`
-/// data literals lower structurally (same gap named in `lower_data_item` / DOWNSTREAM_REQUIREMENTS).
-///
-/// **Terminology:** do not read this staged compiler hook as INVARIANTS **P5(b)**’s per-PR “checkable
-/// receipt” (deleted scaffold path, SG-0 census before/after in `sg0_census_test.rs`, or explicit
-/// deferral citing a `ROADMAP.md` row). Those receipts belong in the **PR description**, not in this
-/// doc comment.
-///
-/// **Canonical constructor id (modeling Practice 5 / single authority at the boundary):** like
-/// [`dsl_std_render_repeat_string_decl_id`]
-/// for `repeat_string`, only the **bootstrap** `SymbolicCost::ConstantCost` variant constructor is
-/// eligible — compare the resolved callee [`DeclarationId`] to [`symbolic_cost_variant_constructor_id`],
-/// not only the surface spelling `ConstantCost` (local shadowing must not reinterpret as std arm).
-fn try_lower_symbolic_cost_constant_cost_data(
-    target: &str,
-    args: &[SurfaceExpr],
-    ty_decl_id: DeclarationId,
-    dag: &Dag,
-    resolved_call_target: Option<DeclarationId>,
-) -> Option<crate::dag::ValueBody> {
-    if target != "ConstantCost" || args.len() != 1 {
-        return None;
-    }
-    let canonical_constant_cost = symbolic_cost_variant_constructor_id(dag, "ConstantCost")?;
-    let resolved = resolved_call_target?;
-    if resolved != canonical_constant_cost {
-        return None;
-    }
-    if !type_decl_is_symbolic_cost(dag, ty_decl_id) {
-        return None;
-    }
-    let SurfaceExpr::Literal {
-        value: SurfaceLiteral::Int(s),
-        ..
-    } = &args[0]
-    else {
-        return None;
-    };
-    let constructor = canonical_constant_cost;
-    Some(crate::dag::ValueBody::Structural {
-        fields: vec![(
-            "_".to_string(),
-            crate::dag::FieldValue::Variant {
-                constructor,
-                payload: vec![crate::dag::FieldValue::Literal(LiteralBits::Int(s.clone()))],
-            },
-        )],
-    })
-}
-
-fn try_lower_symbolic_cost_structural_data(
-    name: &str,
-    expr: &SurfaceExpr,
-    ty_decl_id: DeclarationId,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    pending_refined_function_refs: &HashSet<DeclarationId>,
-) -> Option<crate::dag::ValueBody> {
-    if !type_decl_is_symbolic_cost(dag, ty_decl_id) {
-        return None;
-    }
-    if !symbolic_cost_expr_uses_canonical_constructors(name, expr, symbols, dag) {
-        return None;
-    }
-    let span = surface_expr_span(expr);
-    let fv = lower_structural_field_value(
-        name,
-        "_",
-        expr,
-        ty_decl_id,
-        &LowerSubstStack::default(),
-        symbols,
-        dag,
-        None,
-        span,
-        pending_refined_function_refs,
-    )?;
-    Some(crate::dag::ValueBody::Structural {
-        fields: vec![("_".to_string(), fv)],
-    })
-}
-
-fn try_lower_symbolic_cost_bind_param_expected_structural_data(
-    name: &str,
-    expr: &SurfaceExpr,
-    ty_decl_id: DeclarationId,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    pending_refined_function_refs: &HashSet<DeclarationId>,
-) -> Option<crate::dag::ValueBody> {
-    let expected_id = dag.declaration_by_name("SymbolicCostBindParamExpected")?.id;
-    if ty_decl_id != expected_id {
-        return None;
-    }
-    let span = surface_expr_span(expr);
-    let fv = lower_structural_field_value(
-        name,
-        "_",
-        expr,
-        ty_decl_id,
-        &LowerSubstStack::default(),
-        symbols,
-        dag,
-        None,
-        span,
-        pending_refined_function_refs,
-    )?;
-    Some(crate::dag::ValueBody::Structural {
-        fields: vec![("_".to_string(), fv)],
-    })
-}
-
-fn symbolic_cost_expr_uses_canonical_constructors(
-    data_name: &str,
-    expr: &SurfaceExpr,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-) -> bool {
-    match expr {
-        SurfaceExpr::Call { target, args, span } => {
-            if !symbolic_cost_constructor_spelling_is_canonical(
-                data_name, target, span, symbols, dag,
-            ) {
-                return false;
-            }
-            args.iter().all(|arg| {
-                symbolic_cost_expr_uses_canonical_constructors(data_name, arg, symbols, dag)
-            })
-        }
-        SurfaceExpr::VariantRecord {
-            target,
-            fields,
-            span,
-        } => {
-            symbolic_cost_constructor_spelling_is_canonical(data_name, target, span, symbols, dag)
-                && fields.iter().all(|field| {
-                    symbolic_cost_expr_uses_canonical_constructors(
-                        data_name,
-                        &field.value,
-                        symbols,
-                        dag,
-                    )
-                })
-        }
-        SurfaceExpr::Operator { args, .. } | SurfaceExpr::PathCall { args, .. } => {
-            args.iter().all(|arg| {
-                symbolic_cost_expr_uses_canonical_constructors(data_name, arg, symbols, dag)
-            })
-        }
-        SurfaceExpr::Lambda { body, .. } => {
-            symbolic_cost_expr_uses_canonical_constructors(data_name, body, symbols, dag)
-        }
-        SurfaceExpr::If {
-            cond,
-            then_branch,
-            else_branch,
-            ..
-        } => {
-            symbolic_cost_expr_uses_canonical_constructors(data_name, cond, symbols, dag)
-                && symbolic_cost_expr_uses_canonical_constructors(
-                    data_name,
-                    then_branch,
-                    symbols,
-                    dag,
-                )
-                && symbolic_cost_expr_uses_canonical_constructors(
-                    data_name,
-                    else_branch,
-                    symbols,
-                    dag,
-                )
-        }
-        SurfaceExpr::Match {
-            scrutinee, arms, ..
-        } => {
-            symbolic_cost_expr_uses_canonical_constructors(data_name, scrutinee, symbols, dag)
-                && arms.iter().all(|arm| {
-                    symbolic_cost_expr_uses_canonical_constructors(
-                        data_name, &arm.body, symbols, dag,
-                    )
-                })
-        }
-        SurfaceExpr::Record { fields, .. } => fields.iter().all(|field| {
-            symbolic_cost_expr_uses_canonical_constructors(data_name, &field.value, symbols, dag)
-        }),
-        SurfaceExpr::List { elements, .. } => elements.iter().all(|element| {
-            symbolic_cost_expr_uses_canonical_constructors(data_name, element, symbols, dag)
-        }),
-        SurfaceExpr::Map { entries, .. } => entries.iter().all(|entry| {
-            symbolic_cost_expr_uses_canonical_constructors(data_name, &entry.value, symbols, dag)
-        }),
-        SurfaceExpr::Literal { .. } | SurfaceExpr::Var { .. } | SurfaceExpr::Path { .. } => true,
-    }
-}
-
-fn symbolic_cost_constructor_spelling_is_canonical(
-    data_name: &str,
-    target: &str,
-    span: &SourceSpan,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-) -> bool {
-    let Some(canonical) = symbolic_cost_variant_constructor_id(dag, target) else {
-        return true;
-    };
-    if symbols.get(target).copied() == Some(canonical) {
-        return true;
-    }
-    report_declaration_error(
-        dag,
-        Diagnostic::ResolveError {
-            name: format!(
-                "data `{data_name}` SymbolicCost constructor `{target}` is shadowed or unresolved; \
-                 expected the canonical std.algebra `{target}` constructor"
-            ),
-            span: span.clone(),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "LoweringDiagnostic",
-            ),
-        },
-    );
-    false
-}
-
-fn lower_list_to_structural(
-    name: &str,
-    expr: &SurfaceExpr,
-    ty_decl_id: DeclarationId,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    pending_refined_function_refs: &HashSet<DeclarationId>,
-) -> Option<crate::dag::ValueBody> {
-    let Some(element_type) = list_element_type(dag, ty_decl_id) else {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{name}` has a list body but its declared type is not a List<_>"
-                ),
-                span: surface_expr_span(expr).clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-        return None;
-    };
-    let SurfaceExpr::List { elements, .. } = expr else {
-        unreachable!("lower_list_to_structural only accepts SurfaceExpr::List");
-    };
-    let mut lowered = Vec::with_capacity(elements.len());
-    for element in elements {
-        lowered.push(lower_structural_field_value(
-            name,
-            "<list element>",
-            element,
-            element_type,
-            &LowerSubstStack::default(),
-            symbols,
-            dag,
-            None,
-            surface_expr_span(element),
-            pending_refined_function_refs,
-        )?);
-    }
-    Some(crate::dag::ValueBody::List(lowered))
-}
-
-fn lower_map_to_structural(
-    name: &str,
-    expr: &SurfaceExpr,
-    ty_decl_id: DeclarationId,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    pending_refined_function_refs: &HashSet<DeclarationId>,
-) -> Option<crate::dag::ValueBody> {
-    let Some(value_type) = map_value_type(dag, ty_decl_id) else {
-        let expected_shape = if map_key_type_is_not_string(dag, ty_decl_id) {
-            "Map<String, _>; non-String map keys are not supported by ValueBody::Map"
-        } else {
-            "Map<String, _>"
-        };
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{name}` has a map body but its declared type is not a {expected_shape}"
-                ),
-                span: surface_expr_span(expr).clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-        return None;
-    };
-    let SurfaceExpr::Map { entries, .. } = expr else {
-        unreachable!("lower_map_to_structural only accepts SurfaceExpr::Map");
-    };
-    let lowered = lower_string_map_entries(
-        name,
-        entries,
-        value_type,
-        &LowerSubstStack::default(),
-        symbols,
-        dag,
-        pending_refined_function_refs,
-    )?;
-    Some(crate::dag::ValueBody::Map(lowered))
-}
-
-fn lower_string_map_entries(
-    data_name: &str,
-    entries: &[crate::parse_surface::SurfaceMapEntry],
-    value_type: DeclarationId,
-    subst: &LowerSubstStack,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    pending_refined_function_refs: &HashSet<DeclarationId>,
-) -> Option<FieldMap> {
-    let mut seen = HashSet::new();
-    let mut lowered = Vec::with_capacity(entries.len());
-    for entry in entries {
-        if !seen.insert(entry.key.clone()) {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!("data `{data_name}` map body repeats key `{}`", entry.key),
-                    span: entry.key_span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            return None;
-        }
-        lowered.push((
-            entry.key.clone(),
-            lower_structural_field_value(
-                data_name,
-                &entry.key,
-                &entry.value,
-                resolve_decl_with_subst_lower(dag, value_type, subst, 0).unwrap_or(value_type),
-                subst,
-                symbols,
-                dag,
-                None,
-                surface_expr_span(&entry.value),
-                pending_refined_function_refs,
-            )?,
-        ));
-    }
-    match FieldMap::from_entries(lowered) {
-        Ok(map) => Some(map),
-        Err(duplicate) => {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "data `{data_name}` map body repeats key `{}`",
-                        duplicate.key
-                    ),
-                    span: SourceSpan::new("<lower-field-map-invariant>", 0, 0),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            None
-        }
-    }
-}
-
-/// Walk a declaration through `Instantiation` / `ResolvedIdentifier`
-/// edges until it reaches a declaration whose connective is
-/// `Conj`. Returns the `DeclarationId` of that Conj declaration — or
-/// `None` if no Conj is reachable within the walk depth limit, or
-/// the chain terminates at some other connective.
-///
-/// Used by `lower_data_item` for data body inhabitance checking.
-/// Mirrors the `walk_to_disj_decl` helper in `infer.rs`: the two
-/// walks look for complementary terminal shapes (Conj for data
-/// item inhabitance vs Disj for Branch scrutinees), but follow the
-/// same alias/instantiation chains otherwise.
-fn walk_to_conj_decl(dag: &Dag, start: DeclarationId) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        match &decl.connective {
-            TypeConnective::Conj { .. } => return Some(current),
-            TypeConnective::Instantiation { template, .. } => {
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            _ => return None,
-        }
-    }
-    None
-}
-
-fn walk_to_disj_decl(dag: &Dag, start: DeclarationId) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..32 {
-        let decl = dag.declaration(current);
-        match &decl.connective {
-            TypeConnective::Disj { .. } => return Some(current),
-            TypeConnective::Instantiation { template, .. } => {
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            _ => return None,
-        }
-    }
-    None
-}
-
-fn walk_to_disj_decl_with_subst_lower(
-    dag: &Dag,
-    start: DeclarationId,
-    subst: &mut LowerSubstStack,
-) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..32 {
-        match &dag.declaration(current).connective {
-            TypeConnective::Disj { .. } => return Some(current),
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => current = subst.lookup(current)?,
-            _ => return None,
-        }
-    }
-    None
-}
-
-#[derive(Clone, Default)]
-struct LowerSubstStack {
-    frames: Vec<Vec<TemplateArgument>>,
-}
-
-impl LowerSubstStack {
-    fn push(&mut self, frame: Vec<TemplateArgument>) {
-        self.frames.push(frame);
-    }
-
-    fn lookup(&self, parameter: DeclarationId) -> Option<DeclarationId> {
-        self.frames
-            .iter()
-            .rev()
-            .find_map(|frame| frame.iter().find(|arg| arg.parameter == parameter))
-            .map(|arg| arg.value)
-    }
-}
-
-fn find_equivalent_decl_instantiation_lower(
-    dag: &Dag,
-    template: DeclarationId,
-    arguments: &[TemplateArgument],
-) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        let TypeConnective::Instantiation {
-            template: existing_template,
-            arguments: existing_arguments,
-        } = &decl.connective
-        else {
-            return None;
-        };
-        (template == *existing_template
-            && existing_arguments.len() == arguments.len()
-            && existing_arguments
-                .iter()
-                .zip(arguments.iter())
-                .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value))
-        .then_some(decl.id)
-    })
-}
-
-fn resolve_decl_with_subst_lower(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => subst
-            .lookup(current)
-            .and_then(|bound| resolve_decl_with_subst_lower(dag, bound, subst, depth + 1))
-            .or(Some(current)),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            resolve_decl_with_subst_lower(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let specialized_arguments: Vec<TemplateArgument> = arguments
-                .iter()
-                .map(|arg| {
-                    Some(TemplateArgument {
-                        parameter: arg.parameter,
-                        value: resolve_decl_with_subst_lower(dag, arg.value, subst, depth + 1)?,
-                    })
-                })
-                .collect::<Option<_>>()?;
-            if specialized_arguments
-                .iter()
-                .zip(arguments.iter())
-                .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value)
-            {
-                return Some(current);
-            }
-            find_equivalent_decl_instantiation_lower(dag, *template, &specialized_arguments)
-                .or(Some(current))
-        }
-        TypeConnective::Cardinality(_)
-        | TypeConnective::Arrow { .. }
-        | TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_)) => Some(current),
-    }
-}
-
-fn concretize_decl_with_lower_subst(
-    dag: &mut Dag,
-    current: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> DeclarationId {
-    if depth >= 32 {
-        return current;
-    }
-    let decl = dag.declaration(current).clone();
-    match decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => match subst.lookup(current) {
-            Some(bound) => concretize_decl_with_lower_subst(dag, bound, subst, depth + 1),
-            None => current,
-        },
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            concretize_decl_with_lower_subst(dag, next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let specialized_arguments: Vec<TemplateArgument> = arguments
-                .into_iter()
-                .map(|arg| TemplateArgument {
-                    parameter: arg.parameter,
-                    value: concretize_decl_with_lower_subst(dag, arg.value, subst, depth + 1),
-                })
-                .collect();
-            if let Some(existing) =
-                find_equivalent_decl_instantiation_lower(dag, template, &specialized_arguments)
-            {
-                return existing;
-            }
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template,
-                    arguments: specialized_arguments,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: decl.nominal_opacity,
-                span: decl.span,
-            });
-            id
-        }
-        TypeConnective::Cardinality(payload) => {
-            let element =
-                concretize_decl_with_lower_subst(dag, payload.element(), subst, depth + 1);
-            dag.alloc_cardinality_decl(element, payload.bound(), decl.span)
-        }
-        TypeConnective::Arrow { inputs, output, .. } => {
-            let original_inputs = inputs.clone();
-            let specialized_inputs: Vec<DeclarationId> = inputs
-                .into_iter()
-                .map(|input| concretize_decl_with_lower_subst(dag, input, subst, depth + 1))
-                .collect();
-            let specialized_output =
-                concretize_decl_with_lower_subst(dag, output, subst, depth + 1);
-            if specialized_inputs == original_inputs && specialized_output == output {
-                return current;
-            }
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Arrow {
-                    inputs: specialized_inputs,
-                    output: specialized_output,
-                    body: ArrowBody::NoBody,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: decl.span,
-            });
-            id
-        }
-        TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_)) => current,
-    }
-}
-
-fn walk_to_conj_decl_with_subst_lower(
-    dag: &Dag,
-    start: DeclarationId,
-    subst: &mut LowerSubstStack,
-) -> Option<DeclarationId> {
-    let mut current = start;
-    for _ in 0..32 {
-        match &dag.declaration(current).connective {
-            TypeConnective::Conj { .. } => return Some(current),
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            TypeConnective::Atom(AtomPayload::TypeParam(_)) => current = subst.lookup(current)?,
-            _ => return None,
-        }
-    }
-    None
-}
-
-fn walk_to_type_shape_lower(
-    dag: &Dag,
-    current: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> Option<TypeShape> {
-    if depth >= 32 {
-        return None;
-    }
-    let decl = dag.declaration(current);
-    if decl.name.is_some() {
-        return Some(TypeShape::new(current));
-    }
-    match &decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            if let Some(bound) = subst.lookup(current) {
-                walk_to_type_shape_lower(dag, bound, subst, depth + 1)
-            } else {
-                Some(TypeShape::new(current))
-            }
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            walk_to_type_shape_lower(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation { .. } => {
-            resolve_decl_with_subst_lower(dag, current, subst, depth + 1)
-                .map(TypeShape::new)
-                .or_else(|| Some(TypeShape::new(current)))
-        }
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Arrow { .. }
-        | TypeConnective::Cardinality(_) => None,
-    }
-}
-
-fn resolve_static_field_project(
-    dag: &Dag,
-    input_port: PortId,
-    field_label: &str,
-) -> Option<(DeclarationId, TypeShape)> {
-    let input_ty = match dag.port(input_port).state() {
-        crate::dag::PortState::Resolved(ty) => *ty,
-        crate::dag::PortState::Uninferred | crate::dag::PortState::Unresolved => return None,
-    };
-    let mut subst = LowerSubstStack::default();
-    let conj_id = walk_to_conj_decl_with_subst_lower(dag, input_ty.declaration, &mut subst)?;
-    let children = match &dag.declaration(conj_id).connective {
-        TypeConnective::Conj { children } => children,
-        _ => return None,
-    };
-    let field_decl = children
-        .iter()
-        .find(|field| field.label == field_label)
-        .map(|field| field.ty)?;
-    let output_ty = walk_to_type_shape_lower(dag, field_decl, &subst, 0)?;
-    Some((field_decl, output_ty))
-}
-
-/// Attempt to lower a parsed record literal body into a
-/// `ValueBody::Structural { fields }` by matching each record field
-/// against the declared type's Conj children. Returns `None` (and
-/// attaches one or more diagnostics) if any check fails; the caller
-/// falls back to `ValueBody::Unparsed`.
-///
-/// Validation rules:
-/// 1. The type annotation's declaration must walk to a `Conj`
-///    declaration via `walk_to_conj_decl`. Failure → diagnostic
-///    "data item's type has no record shape" → return None.
-/// 2. The record literal's field labels must exactly match the
-///    Conj's children — no extras, no missing.
-/// 3. Each field's value must be a `SurfaceExpr::Literal`
-///    (scalar literal). Nested records, variable references, and
-///    computed expressions are class-5 gap #3 follow-ups.
-/// 4. Each literal's type must match the corresponding Conj
-///    field's declared type (validated via the primitive cache).
-fn lower_record_to_structural(
-    data_name: &str,
-    record_fields: &[crate::parse::SurfaceRecordField],
-    ty_decl_id: DeclarationId,
-    body_span: &SourceSpan,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    pending_refined_function_refs: &HashSet<DeclarationId>,
-) -> Option<crate::dag::ValueBody> {
-    let mut subst = LowerSubstStack::default();
-    let Some(conj_id) = walk_to_conj_decl_with_subst_lower(dag, ty_decl_id, &mut subst) else {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{data_name}`'s type annotation does not resolve to a record type (Conj); cannot apply inhabitance checking to the body"
-                ),
-                span: body_span.clone(),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-            },
-        );
-        return None;
-    };
-    // Snapshot the Conj's children to avoid borrowing conflicts
-    // while we walk the record literal.
-    let type_fields: Vec<(String, DeclarationId)> = match &dag.declaration(conj_id).connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .map(|f| {
-                (
-                    f.label.clone(),
-                    resolve_decl_with_subst_lower(dag, f.ty, &subst, 0).unwrap_or(f.ty),
-                )
-            })
-            .collect(),
-        _ => unreachable!("walk_to_conj_decl returned a non-Conj declaration"),
-    };
-    if let Some(record_field) = duplicate_record_field(record_fields) {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{data_name}` record body repeats field `{}`",
-                    record_field.name
-                ),
-                span: record_field.span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-        return None;
-    }
-    // Check no extra fields in the data body.
-    for record_field in record_fields {
-        if !type_fields
-            .iter()
-            .any(|(label, _)| *label == record_field.name)
-        {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "data `{data_name}` has field `{}` but the type has no such field",
-                        record_field.name
-                    ),
-                    span: record_field.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            return None;
-        }
-    }
-    // Check no missing fields.
-    for (type_label, _) in &type_fields {
-        if !record_fields.iter().any(|f| f.name == *type_label) {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!("data `{data_name}` is missing required field `{type_label}`"),
-                    span: body_span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            return None;
-        }
-    }
-    // Determine which realization category (if any) this data
-    // item belongs to. Used below to narrow the acceptable shape
-    // of `target` / `op` field values per category. The category
-    // is identified by name lookup (Phase 2 doesn't have the
-    // realization meta cache populated yet — that runs at
-    // bootstrap end). Same lookup as for primitives above.
-    let category = realization_category_for_meta(dag, ty_decl_id);
-
-    let mut structural_fields: Vec<(String, crate::dag::FieldValue)> =
-        Vec::with_capacity(type_fields.len());
-    for (type_label, type_field_id) in &type_fields {
-        let record_field = record_fields
-            .iter()
-            .find(|f| f.name == *type_label)
-            .expect("checked above");
-        let field_value = lower_structural_field_value(
-            data_name,
-            type_label,
-            &record_field.value,
-            *type_field_id,
-            &subst,
-            symbols,
-            dag,
-            category,
-            &record_field.span,
-            pending_refined_function_refs,
-        )?;
-        structural_fields.push((type_label.clone(), field_value));
-    }
-    if category == Some(RealizationCategoryTag::Operator)
-        && !validate_operator_realization_free_monoid_op_pairing(
-            dag,
-            data_name,
-            &structural_fields,
-            body_span,
-        )
-    {
-        return None;
-    }
-    Some(crate::dag::ValueBody::Structural {
-        fields: structural_fields,
-    })
-}
-
-/// `OperatorRealization.target: FreeMonoid` is only meaningful for the monoid
-/// witness equality path, which selects `OrderedRing.eq` after the walk.
-/// Enforce that pairing here (once both fields are lowered) so illegal
-/// `(FreeMonoid, op)` shapes fail closed at the realization boundary rather
-/// than relying on spec authors (INVARIANTS P2/P3).
-fn validate_operator_realization_free_monoid_op_pairing(
-    dag: &mut Dag,
-    data_name: &str,
-    structural_fields: &[(String, crate::dag::FieldValue)],
-    body_span: &SourceSpan,
-) -> bool {
-    let Some(free_monoid) = dag.declaration_by_name("FreeMonoid").map(|d| d.id) else {
-        return true;
-    };
-    let Some(crate::dag::FieldValue::Reference(target_id)) = structural_fields
-        .iter()
-        .find(|(label, _)| label == "target")
-        .map(|(_, v)| v)
-    else {
-        return true;
-    };
-    if *target_id != free_monoid {
-        return true;
-    }
-    let Some(crate::dag::FieldValue::Reference(op_id)) = structural_fields
-        .iter()
-        .find(|(label, _)| label == "op")
-        .map(|(_, v)| v)
-    else {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{data_name}` (`OperatorRealization`): `target: FreeMonoid` requires `op` as a resolved algebra field reference"
-                ),
-                span: body_span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-            },
-        );
-        return false;
-    };
-    let Some(expected_eq) = canonical_ordered_ring_operator_field_arrow(
-        dag,
-        OperatorKind::Comparison(ComparisonOp::Eq),
-    ) else {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{data_name}` (`OperatorRealization`): `target: FreeMonoid` requires canonical `OrderedRing.eq`, but the `OrderedRing` algebra metadata is unavailable"
-                ),
-                span: body_span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-            },
-        );
-        return false;
-    };
-    if *op_id != expected_eq {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{data_name}` (`OperatorRealization`): `target: FreeMonoid` is only legal with `op: OrderedRing.eq` (fail-closed narrowing); resolved `op` does not match canonical `OrderedRing.eq`"
-                ),
-                span: body_span.clone(),
-                correction: Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-            },
-        );
-        return false;
-    }
-    true
-}
-
-fn canonical_ordered_ring_operator_field_arrow(
-    dag: &Dag,
-    op: OperatorKind,
-) -> Option<DeclarationId> {
-    let ordered_ring_id = dag.ordered_ring_decl()?;
-    let ordered_ring = dag.declaration(ordered_ring_id);
-    let TypeConnective::Conj { children } = &ordered_ring.connective else {
-        return None;
-    };
-    let label = crate::operators::algebra_field_name(op);
-    children
-        .iter()
-        .find(|field| field.label == label)
-        .map(|field| field.ty)
-}
-
-fn duplicate_record_field(
-    fields: &[crate::parse::SurfaceRecordField],
-) -> Option<&crate::parse::SurfaceRecordField> {
-    let mut seen = HashSet::new();
-    fields.iter().find(|field| !seen.insert(field.name.clone()))
-}
-
-/// `PositiveIntervalWidth.UnitCount` carries a Peano-spine authoring shorthand;
-/// reject negative `units` literals so width magnitude stays nonnegative at rest.
-fn enforce_non_negative_unit_count_payload(
-    dag: &Dag,
-    variant_payload_ty: DeclarationId,
-    payload: &[crate::dag::FieldValue],
-    span: &SourceSpan,
-) -> Result<(), Diagnostic> {
-    let Some(piw_decl) = dag.declaration_by_name("PositiveIntervalWidth") else {
-        return Ok(());
-    };
-    let TypeConnective::Disj { variants } = &piw_decl.connective else {
-        return Ok(());
-    };
-    let Some(unit_variant) = variants.iter().find(|v| v.label == "UnitCount") else {
-        return Ok(());
-    };
-    if unit_variant.ty != variant_payload_ty {
-        return Ok(());
-    }
-    let Some(first) = payload.first() else {
-        return Err(Diagnostic::ResolveError {
-            name: "PositiveIntervalWidth.UnitCount payload is empty".to_string(),
-            span: span.clone(),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "LoweringDiagnostic",
-            ),
-        });
-    };
-    match first {
-        crate::dag::FieldValue::Literal(LiteralBits::Int(s)) => {
-            let Ok(n) = i128::from_str(s.as_str()) else {
-                return Err(Diagnostic::ResolveError {
-                    name: "PositiveIntervalWidth.UnitCount requires a literal Int `units` field"
-                        .to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                });
-            };
-            if n >= 0 {
-                Ok(())
-            } else {
-                Err(Diagnostic::ResolveError {
-                    name: crate::diagnostics::positive_interval_width_unit_count_requires_nonnegative_units_literal_message(
-                        s.as_str(),
-                    ),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                })
-            }
-        }
-        _ => Err(Diagnostic::ResolveError {
-            name: "PositiveIntervalWidth.UnitCount requires a literal Int `units` field"
-                .to_string(),
-            span: span.clone(),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "LoweringDiagnostic",
-            ),
-        }),
-    }
-}
-
-#[allow(clippy::too_many_arguments)]
-fn lower_structural_field_value(
-    data_name: &str,
-    field_label: &str,
-    expr: &SurfaceExpr,
-    expected_type: DeclarationId,
-    subst: &LowerSubstStack,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &mut Dag,
-    category: Option<RealizationCategoryTag>,
-    span: &SourceSpan,
-    pending_refined_function_refs: &HashSet<DeclarationId>,
-) -> Option<crate::dag::FieldValue> {
-    if let Some(marker_id) = dag.declaration_by_name("DeclarationRef").map(|d| d.id) {
-        if walks_to(dag, expected_type, marker_id) {
-            let Some(decl_id) = resolve_field_value_as_declaration_ref(expr, symbols, dag) else {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "data `{data_name}` field `{field_label}` must be a DeclarationRef edge; use an identifier or dotted path, not a record literal"
-                        ),
-                        span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-                return None;
-            };
-            if let Some(cat) = category {
-                if let Err(reason) =
-                    validate_realization_field_target(dag, cat, field_label, decl_id)
-                {
-                    report_declaration_error(
-                        dag,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "data `{data_name}` field `{field_label}` does not satisfy the {cat:?} realization constraint: {reason}"
-                            ),
-                            span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                    return None;
-                }
-            }
-            return Some(crate::dag::FieldValue::Reference(decl_id));
-        }
-    }
-
-    // `v3.std.substrate_minimal::DeclarationId` — nominal carrier for "any
-    // declaration at the DAG level" (e.g. `SectionRef.DeclarationScope.declaration`).
-    // Unlike `DeclarationRef` (spec refinement), this is the substrate row type;
-    // references may point at functions (`Arrow`), types, or `data` carriers.
-    if let Some(marker_id) = dag.declaration_by_name("DeclarationId").map(|d| d.id) {
-        if declaration_ref_types_equivalent_with_subst(dag, marker_id, expected_type, subst, 0) {
-            let decl_id = resolve_field_value_as_declaration_ref(expr, symbols, dag)?;
-            if let Some(cat) = category {
-                if let Err(reason) =
-                    validate_realization_field_target(dag, cat, field_label, decl_id)
-                {
-                    report_declaration_error(
-                        dag,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "data `{data_name}` field `{field_label}` does not satisfy the {cat:?} realization constraint: {reason}"
-                            ),
-                            span: span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                    return None;
-                }
-            }
-            return Some(crate::dag::FieldValue::Reference(decl_id));
-        }
-    }
-
-    if let Some(decl_id) = resolve_field_value_as_declaration_ref(expr, symbols, dag) {
-        if pending_refined_function_refs.contains(&decl_id) {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "data `{data_name}` field `{field_label}` references a function with a `where`-refined parameter before refinement discharge is available for data field references"
-                    ),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                },
-            );
-            return None;
-        }
-        let referenced = dag.declaration(decl_id);
-        if is_value_level_arrow_declaration(referenced)
-            && declaration_ref_types_equivalent_with_subst(dag, decl_id, expected_type, subst, 0)
-        {
-            return Some(crate::dag::FieldValue::Reference(decl_id));
-        }
-        if is_value_level_arrow_declaration(referenced) {
-            let expected = concretize_decl_with_lower_subst(dag, expected_type, subst, 0);
-            report_declaration_error(
-                dag,
-                Diagnostic::TypeMismatch {
-                    expected: TypeShape::new(expected),
-                    actual: TypeShape::new(decl_id),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            return None;
-        }
-        if referenced.meta_tag.is_some_and(|actual| {
-            declaration_ref_types_equivalent_with_subst(dag, actual, expected_type, subst, 0)
-        }) {
-            return Some(crate::dag::FieldValue::Reference(decl_id));
-        }
-        if let Some(actual) = referenced.meta_tag {
-            let expected = concretize_decl_with_lower_subst(dag, expected_type, subst, 0);
-            report_declaration_error(
-                dag,
-                Diagnostic::TypeMismatch {
-                    expected: TypeShape::new(expected),
-                    actual: TypeShape::new(actual),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            return None;
-        }
-    }
-
-    match lower_scalar_literal_for_type(expr, expected_type, dag) {
-        LowerScalarLiteralOutcome::Literal(literal_bits) => {
-            return Some(crate::dag::FieldValue::Literal(literal_bits));
-        }
-        LowerScalarLiteralOutcome::NotApplicable => {}
-        LowerScalarLiteralOutcome::Reject(diag) => {
-            report_declaration_error(dag, diag);
-            return None;
-        }
-    }
-
-    if let Some(element_type) = list_element_type_with_subst(dag, expected_type, subst, 0) {
-        let SurfaceExpr::List { elements, .. } = expr else {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "data `{data_name}` field `{field_label}` must be a list literal matching the declared List<_> type"
-                    ),
-                    span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                },
-            );
-            return None;
-        };
-        let mut lowered = Vec::with_capacity(elements.len());
-        for element in elements {
-            lowered.push(lower_structural_field_value(
-                data_name,
-                field_label,
-                element,
-                element_type,
-                subst,
-                symbols,
-                dag,
-                None,
-                surface_expr_span(element),
-                pending_refined_function_refs,
-            )?);
-        }
-        return Some(crate::dag::FieldValue::List(lowered));
-    }
-
-    if let Some(value_type) = map_value_type_with_subst(dag, expected_type, subst, 0) {
-        let SurfaceExpr::Map { entries, .. } = expr else {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "data `{data_name}` field `{field_label}` must be a map literal matching the declared Map<String, _> type"
-                    ),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                },
-            );
-            return None;
-        };
-        let lowered = lower_string_map_entries(
-            data_name,
-            entries,
-            value_type,
-            subst,
-            symbols,
-            dag,
-            pending_refined_function_refs,
-        )?;
-        return Some(crate::dag::FieldValue::Map(lowered));
-    }
-
-    if map_key_type_is_not_string_with_subst(dag, expected_type, subst, 0) {
-        report_declaration_error(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "data `{data_name}` field `{field_label}` has a map value but the declared map key type is not String"
-                ),
-                span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-            },
-        );
-        return None;
-    }
-
-    let mut nested_subst = subst.clone();
-    if let Some(conj_id) = walk_to_conj_decl_with_subst_lower(dag, expected_type, &mut nested_subst)
-    {
-        let SurfaceExpr::Record { fields, .. } = expr else {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "data `{data_name}` field `{field_label}` must be a record literal matching the declared record type"
-                    ),
-                    span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                },
-            );
-            return None;
-        };
-        if let Some(field) = duplicate_record_field(fields) {
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "data `{data_name}` field `{field_label}` repeats nested field `{}`",
-                        field.name
-                    ),
-                    span: field.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            return None;
-        }
-        let expected_fields: Vec<(String, DeclarationId)> =
-            match &dag.declaration(conj_id).connective {
-                TypeConnective::Conj { children } => children
-                    .iter()
-                    .map(|child| (child.label.clone(), child.ty))
-                    .map(|(label, ty)| {
-                        (
-                            label,
-                            resolve_decl_with_subst_lower(dag, ty, &nested_subst, 0).unwrap_or(ty),
-                        )
-                    })
-                    .collect(),
-                _ => unreachable!("walk_to_conj_decl returned non-Conj"),
-            };
-        for field in fields {
-            if !expected_fields
-                .iter()
-                .any(|(label, _)| *label == field.name)
-            {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "data `{data_name}` field `{field_label}` has nested field `{}` but the declared type has no such field",
-                            field.name
-                        ),
-                        span: field.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-                return None;
-            }
-        }
-        for (label, _) in &expected_fields {
-            if !fields.iter().any(|field| field.name == *label)
-                && !expected_fields
-                    .iter()
-                    .find(|(candidate, _)| candidate == label)
-                    .is_some_and(|(_, ty)| {
-                        is_at_most_one_type_with_subst(dag, *ty, &nested_subst, 0)
-                    })
-            {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "data `{data_name}` field `{field_label}` is missing nested field `{label}`"
-                        ),
-                        span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-                return None;
-            }
-        }
-        let mut lowered = Vec::with_capacity(expected_fields.len());
-        for (label, ty) in expected_fields {
-            let Some(nested) = fields.iter().find(|field| field.name == label) else {
-                continue;
-            };
-            lowered.push((
-                label.clone(),
-                lower_structural_field_value(
-                    data_name,
-                    &label,
-                    &nested.value,
-                    ty,
-                    &nested_subst,
-                    symbols,
-                    dag,
-                    None,
-                    &nested.span,
-                    pending_refined_function_refs,
-                )?,
-            ));
-        }
-        return Some(crate::dag::FieldValue::Record(lowered));
-    }
-
-    let mut disj_subst = subst.clone();
-    let optional_card =
-        optional_at_most_one_cardinality_decl_with_subst(dag, expected_type, subst, 0);
-    let optional_disj =
-        optional_card.and_then(|card| crate::infer::ensure_optional_match_disj(dag, card));
-    let disj_id = optional_disj
-        .or_else(|| walk_to_disj_decl_with_subst_lower(dag, expected_type, &mut disj_subst));
-    if let Some(disj_id) = disj_id {
-        let variants: Vec<(String, DeclarationId)> = match &dag.declaration(disj_id).connective {
-            TypeConnective::Disj { variants } => variants
-                .iter()
-                .map(|field| (field.label.clone(), field.ty))
-                .collect(),
-            _ => unreachable!("walk_to_disj_decl returned non-Disj"),
-        };
-
-        if optional_disj.is_some() && surface_expr_is_authored_optional_none(expr) {
-            let Some((_, none_variant_payload_decl)) =
-                variants.iter().find(|(label, _)| label == "None")
-            else {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "data `{data_name}` field `{field_label}`: optional match disj missing `None` arm"
-                        ),
-                        span: span.clone(),
-                        correction: Correction::deferred_for_diagnostic_class("ResolveError"),
-                    },
-                );
-                return None;
-            };
-            return Some(crate::dag::FieldValue::Variant {
-                constructor: *none_variant_payload_decl,
-                payload: vec![],
-            });
-        }
-
-        if optional_disj.is_some()
-            && !surface_expr_is_authored_optional_none(expr)
-            && !optional_some_none_surface_form(expr)
-        {
-            if let Some(inner_ty) = optional_element_type_with_subst(dag, expected_type, subst, 0) {
-                match lower_structural_field_value(
-                    data_name,
-                    field_label,
-                    expr,
-                    inner_ty,
-                    subst,
-                    symbols,
-                    dag,
-                    None,
-                    span,
-                    pending_refined_function_refs,
-                ) {
-                    Some(inner_fv) => {
-                        let Some((_, some_payload_conj)) =
-                            variants.iter().find(|(label, _)| label == "Some")
-                        else {
-                            report_declaration_error(
-                                dag,
-                                Diagnostic::ResolveError {
-                                    name: format!(
-                                        "data `{data_name}` field `{field_label}`: optional match disj missing `Some` arm"
-                                    ),
-                                    span: span.clone(),
-                                    correction: Correction::deferred_for_diagnostic_class("ResolveError"),
-                                },
-                            );
-                            return None;
-                        };
-                        return Some(crate::dag::FieldValue::Variant {
-                            constructor: *some_payload_conj,
-                            payload: vec![inner_fv],
-                        });
-                    }
-                    None => return None,
-                }
-            }
-        }
-
-        let (variant_name, variant_decl_id, positional_args, named_fields, variant_span) =
-            match expr {
-                SurfaceExpr::Call { target, args, span } => {
-                    let Some((_, variant_decl_id)) =
-                        variants.iter().find(|(label, _)| label == target)
-                    else {
-                        report_declaration_error(
-                        dag,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "data `{data_name}` field `{field_label}` uses constructor `{target}` which is not a variant of the declared sum type"
-                            ),
-                            span: span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                        return None;
-                    };
-                    (
-                        target.as_str(),
-                        *variant_decl_id,
-                        Some(args.as_slice()),
-                        None,
-                        span,
-                    )
-                }
-                SurfaceExpr::VariantRecord {
-                    target,
-                    fields,
-                    span,
-                } => {
-                    let Some((_, variant_decl_id)) =
-                        variants.iter().find(|(label, _)| label == target)
-                    else {
-                        report_declaration_error(
-                        dag,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "data `{data_name}` field `{field_label}` uses constructor `{target}` which is not a variant of the declared sum type"
-                            ),
-                            span: span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                        return None;
-                    };
-                    (
-                        target.as_str(),
-                        *variant_decl_id,
-                        None,
-                        Some(fields.as_slice()),
-                        span,
-                    )
-                }
-                SurfaceExpr::Record { fields, span } => {
-                    let authored: HashSet<&str> = fields.iter().map(|f| f.name.as_str()).collect();
-                    let mut matched: Option<(&str, DeclarationId)> = None;
-                    for (label, variant_decl_id) in &variants {
-                        let Some(payload_fields) = variant_payload_fields_for_lowering_with_subst(
-                            dag,
-                            *variant_decl_id,
-                            &disj_subst,
-                        ) else {
-                            continue;
-                        };
-                        let payload: HashSet<&str> =
-                            payload_fields.iter().map(|(l, _)| l.as_str()).collect();
-                        if authored == payload {
-                            if let Some((prev_label, _)) = matched {
-                                report_declaration_error(
-                                    dag,
-                                    Diagnostic::ResolveError {
-                                        name: format!(
-                                            "data `{data_name}` field `{field_label}` record literal is ambiguous: same field set matches sum variants `{prev_label}` and `{label}`"
-                                        ),
-                                        span: span.clone(),
-                                        correction: Correction::deferred_for_diagnostic_class("ResolveError"),
-                                    },
-                                );
-                                return None;
-                            }
-                            matched = Some((label.as_str(), *variant_decl_id));
-                        }
-                    }
-                    let Some((label, variant_decl_id)) = matched else {
-                        report_declaration_error(
-                            dag,
-                            Diagnostic::ResolveError {
-                                name: format!(
-                                    "data `{data_name}` field `{field_label}` record literal field set does not match any variant of the declared sum type"
-                                ),
-                                span: span.clone(),
-                                correction: Correction::deferred_for_diagnostic_class("ResolveError"),
-                            },
-                        );
-                        return None;
-                    };
-                    (label, variant_decl_id, None, Some(fields.as_slice()), span)
-                }
-                SurfaceExpr::Var { name, span } => {
-                    let Some((_, variant_decl_id)) =
-                        variants.iter().find(|(label, _)| label == name)
-                    else {
-                        report_declaration_error(
-                        dag,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "data `{data_name}` field `{field_label}` uses constructor `{name}` which is not a variant of the declared sum type"
-                            ),
-                            span: span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                        return None;
-                    };
-                    (name.as_str(), *variant_decl_id, Some(&[][..]), None, span)
-                }
-                _ => {
-                    report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "data `{data_name}` field `{field_label}` must be a constructor expression matching the declared sum type"
-                        ),
-                        span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-                    return None;
-                }
-            };
-        let payload_fields = match variant_payload_fields_for_lowering_with_subst(
-            dag,
-            variant_decl_id,
-            &disj_subst,
-        ) {
-            Some(fields) => fields,
-            other => {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "data `{data_name}` field `{field_label}` constructor `{variant_name}` does not lower to a record payload shape: got {other:?}"
-                        ),
-                        span: variant_span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-                return None;
-            }
-        };
-        let mut payload = Vec::with_capacity(payload_fields.len());
-        if let Some(args) = positional_args {
-            if payload_fields.len() != args.len() {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ArityMismatch {
-                        function: variant_name.to_string(),
-                        expected: payload_fields.len(),
-                        actual: args.len(),
-                        span: variant_span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "LoweringDiagnostic",
-                        ),
-                    },
-                );
-                return None;
-            }
-            for (arg, (_, payload_field_ty)) in args.iter().zip(payload_fields.iter()) {
-                payload.push(lower_structural_field_value(
-                    data_name,
-                    field_label,
-                    arg,
-                    *payload_field_ty,
-                    subst,
-                    symbols,
-                    dag,
-                    None,
-                    surface_expr_span(arg),
-                    pending_refined_function_refs,
-                )?);
-            }
-        } else if let Some(fields) = named_fields {
-            if let Some(field) = duplicate_record_field(fields) {
-                report_declaration_error(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "data `{data_name}` field `{field_label}` constructor `{variant_name}` repeats payload field `{}`",
-                            field.name
-                        ),
-                        span: field.span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-                return None;
-            }
-            for field in fields {
-                if !payload_fields.iter().any(|(label, _)| {
-                    surface_record_field_matches_variant_payload_label(&field.name, label)
-                }) {
-                    report_declaration_error(
-                        dag,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "data `{data_name}` field `{field_label}` constructor `{variant_name}` has payload field `{}` but the variant has no such field",
-                                field.name
-                            ),
-                            span: field.span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                    return None;
-                }
-            }
-            for (payload_field_label, payload_field_ty) in &payload_fields {
-                let Some(field) =
-                    surface_record_field_for_variant_payload(fields, payload_field_label)
-                else {
-                    report_declaration_error(
-                        dag,
-                        Diagnostic::ResolveError {
-                            name: format!(
-                                "data `{data_name}` field `{field_label}` constructor `{variant_name}` is missing payload field `{payload_field_label}`"
-                            ),
-                            span: variant_span.clone(),
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                        },
-                    );
-                    return None;
-                };
-                payload.push(lower_structural_field_value(
-                    data_name,
-                    field_label,
-                    &field.value,
-                    *payload_field_ty,
-                    subst,
-                    symbols,
-                    dag,
-                    None,
-                    &field.span,
-                    pending_refined_function_refs,
-                )?);
-            }
-        }
-        if let Err(diag) =
-            enforce_non_negative_unit_count_payload(dag, variant_decl_id, &payload, variant_span)
-        {
-            report_declaration_error(dag, diag);
-            return None;
-        }
-        return Some(crate::dag::FieldValue::Variant {
-            constructor: variant_decl_id,
-            payload,
-        });
-    }
-
-    report_declaration_error(
-        dag,
-        Diagnostic::ResolveError {
-            name: format!(
-                "data `{data_name}` field `{field_label}` does not match the declared structural type"
-            ),
-            span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-        },
-    );
-    None
-}
-
-fn is_value_level_arrow_declaration(decl: &crate::dag::Declaration) -> bool {
-    matches!(
-        &decl.connective,
-        TypeConnective::Arrow {
-            body: ArrowBody::Pending
-                | ArrowBody::UserDefined(_)
-                | ArrowBody::ExternalRealization(_)
-                | ArrowBody::Unparsed(_),
-            ..
-        }
-    )
-}
-
-/// 🟢 TERMINAL — file-local lowering outcome coproduct.
-///
-/// 4-pattern check: Pattern 1 (fact placement) reaches the terminal
-/// control-flow split here: successful scalar lowering, non-literal
-/// fallthrough, and typed rejection each flow to a different caller
-/// branch. Patterns 2-4 do not apply because the variants are not a
-/// shared labeled payload, algebraic operation, or dimensional product.
-enum LowerScalarLiteralOutcome {
-    Literal(LiteralBits),
-    NotApplicable,
-    Reject(Diagnostic),
-}
-
-fn lower_scalar_literal_for_type(
-    expr: &SurfaceExpr,
-    expected_type: DeclarationId,
-    dag: &Dag,
-) -> LowerScalarLiteralOutcome {
-    let SurfaceExpr::Literal { value, .. } = expr else {
-        return LowerScalarLiteralOutcome::NotApplicable;
-    };
-    let literal_bits = match value {
-        SurfaceLiteral::Int(v) => LiteralBits::Int(v.clone()),
-        SurfaceLiteral::Bool(v) => LiteralBits::Bool(*v),
-        SurfaceLiteral::String(v) => LiteralBits::String(v.clone()),
-        SurfaceLiteral::Symbol(v) => LiteralBits::Symbol(v.clone()),
-    };
-    let int_decl_id = dag.declaration_by_name("Int").map(|d| d.id);
-    let bool_decl_id = dag.declaration_by_name("Bool").map(|d| d.id);
-    let string_decl_id = dag.declaration_by_name("String").map(|d| d.id);
-    let symbol_decl_id = dag.declaration_by_name("Symbol").map(|d| d.id);
-    let type_ok = match &literal_bits {
-        LiteralBits::Int(s) => {
-            let Ok(int_value) = BigInt::from_str(s.as_str()) else {
-                return LowerScalarLiteralOutcome::Reject(Diagnostic::ResolveError {
-                    name: "internal: malformed decimal integer literal".to_string(),
-                    span: surface_expr_span(expr).clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                });
-            };
-            int_decl_id
-                .map(|id| walks_to(dag, expected_type, id))
-                .unwrap_or(false)
-                || optional_element_type(dag, expected_type)
-                    .is_some_and(|element| walks_to(dag, element, int_decl_id.unwrap_or(element)))
-                || matches!(
-                    int_literal_fits_expected_type(dag, &int_value, expected_type),
-                    Ok(Some(true))
-                )
-        }
-        LiteralBits::Bool(_) => {
-            bool_decl_id
-                .map(|id| walks_to(dag, expected_type, id))
-                .unwrap_or(false)
-                || optional_element_type(dag, expected_type)
-                    .is_some_and(|element| walks_to(dag, element, bool_decl_id.unwrap_or(element)))
-        }
-        LiteralBits::String(_) => {
-            string_decl_id
-                .map(|id| walks_to(dag, expected_type, id))
-                .unwrap_or(false)
-                || optional_element_type(dag, expected_type).is_some_and(|element| {
-                    walks_to(dag, element, string_decl_id.unwrap_or(element))
-                })
-        }
-        LiteralBits::Symbol(_) => {
-            symbol_decl_id
-                .map(|id| walks_to(dag, expected_type, id))
-                .unwrap_or(false)
-                || optional_element_type(dag, expected_type).is_some_and(|element| {
-                    walks_to(dag, element, symbol_decl_id.unwrap_or(element))
-                })
-        }
-    };
-    if type_ok {
-        let span = surface_expr_span(expr).clone();
-        if scalar_literal_must_reject_for_refinement(dag, &literal_bits, expected_type) {
-            return LowerScalarLiteralOutcome::Reject(Diagnostic::ResolveError {
-                name: "scalar literal does not satisfy the expected `where` refinement — no narrowing branch in scope".to_string(),
-                span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-            });
-        }
-        return LowerScalarLiteralOutcome::Literal(literal_bits);
-    }
-    if let LiteralBits::Int(s) = &literal_bits {
-        let Ok(int_value) = BigInt::from_str(s.as_str()) else {
-            return LowerScalarLiteralOutcome::Reject(Diagnostic::ResolveError {
-                name: "internal: malformed decimal integer literal".to_string(),
-                span: surface_expr_span(expr).clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            });
-        };
-        match integer_range_for_decl(dag, expected_type) {
-            IntegerRangeLookup::Found(range) => {
-                return LowerScalarLiteralOutcome::Reject(magnitude_out_of_range_for_interval(
-                    &int_value,
-                    TypeShape::new(expected_type),
-                    range,
-                    surface_expr_span(expr).clone(),
-                ));
-            }
-            IntegerRangeLookup::Invalid(diag) => return LowerScalarLiteralOutcome::Reject(diag),
-            IntegerRangeLookup::Missing => {}
-        }
-    }
-    LowerScalarLiteralOutcome::Reject(Diagnostic::ResolveError {
-        name: "scalar literal does not match declared type".to_string(),
-        span: surface_expr_span(expr).clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "LoweringDiagnostic",
-        ),
-    })
-}
-
-fn list_element_type(dag: &Dag, expected_type: DeclarationId) -> Option<DeclarationId> {
-    let list_id = dag.declaration_by_name("List")?.id;
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if *template == list_id && arguments.len() == 1 => Some(arguments[0].value),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => list_element_type(dag, *next),
-        _ => None,
-    }
-}
-
-fn optional_element_type(dag: &Dag, expected_type: DeclarationId) -> Option<DeclarationId> {
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Cardinality(payload) if payload.bound() == CardinalityBound::AtMostOne => {
-            Some(payload.element())
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            optional_element_type(dag, *next)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if arguments.is_empty() => optional_element_type(dag, *template),
-        _ => None,
-    }
-}
-
-/// If `expected_type` is (after alias / type-param peel) `Cardinality(_, AtMostOne)`,
-/// returns that cardinality declaration id. Used so structural `data` lowering can
-/// mint the `Some`/`None` optional-match disj before `infer::infer` runs.
-fn optional_at_most_one_cardinality_decl_with_subst(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            optional_at_most_one_cardinality_decl_with_subst(
-                dag,
-                subst.lookup(expected_type)?,
-                subst,
-                depth + 1,
-            )
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            optional_at_most_one_cardinality_decl_with_subst(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-            Some(expected_type)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if arguments.is_empty() => {
-            optional_at_most_one_cardinality_decl_with_subst(dag, *template, subst, depth + 1)
-        }
-        _ => None,
-    }
-}
-
-fn optional_element_type_with_subst(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            optional_element_type_with_subst(dag, subst.lookup(expected_type)?, subst, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            optional_element_type_with_subst(dag, *next, subst, depth + 1)
-        }
-        _ => optional_element_type(dag, expected_type).map(|element| {
-            resolve_decl_with_subst_lower(dag, element, subst, 0).unwrap_or(element)
-        }),
-    }
-}
-
-fn surface_expr_is_authored_optional_none(expr: &SurfaceExpr) -> bool {
-    match expr {
-        SurfaceExpr::Path { segments, .. } => segments.len() == 1 && segments[0] == "none",
-        SurfaceExpr::Var { name, .. } => name == "none",
-        _ => false,
-    }
-}
-
-// Recognize already-authored optional disj syntax (`Some` / `None`) so lowering does not
-// double-wrap. Spelling matches the language's optional constructors (see `docs/v3-spec.md`
-// Scenario 6), not an arbitrary callable: a hypothetical user-defined `Some`/`None` at an
-// `Optional<T>` site would skip implicit `Some` wrapping here by design.
-fn optional_some_none_surface_form(expr: &SurfaceExpr) -> bool {
-    match expr {
-        SurfaceExpr::VariantRecord { target, .. } => target == "Some" || target == "None",
-        SurfaceExpr::Call { target, .. } => target == "Some" || target == "None",
-        _ => false,
-    }
-}
-
-// Optional/sum payload surface vs lowered field names: `docs/v3-spec.md` Scenario 6 shows
-// `Some { value: v }` style patterns; lowering may use synthetic `_0` for the inner payload field.
-// Single pairing authority for this lowering seam (P2: avoid scattering `"value"`/`"_0"` literals).
-const SURFACE_SUM_PAYLOAD_FIELD: &str = "value";
-const LOWERED_SUM_PAYLOAD_FIELD: &str = "_0";
-
-fn surface_record_field_for_variant_payload<'a>(
-    fields: &'a [crate::parse::SurfaceRecordField],
-    payload_label: &str,
-) -> Option<&'a crate::parse::SurfaceRecordField> {
-    fields.iter().find(|f| f.name == payload_label).or_else(|| {
-        (payload_label == LOWERED_SUM_PAYLOAD_FIELD)
-            .then(|| fields.iter().find(|f| f.name == SURFACE_SUM_PAYLOAD_FIELD))
-            .flatten()
-    })
-}
-
-fn surface_record_field_matches_variant_payload_label(
-    authored_field: &str,
-    payload_label: &str,
-) -> bool {
-    if authored_field == payload_label {
-        return true;
-    }
-    authored_field == SURFACE_SUM_PAYLOAD_FIELD && payload_label == LOWERED_SUM_PAYLOAD_FIELD
-}
-
-fn list_element_type_with_subst(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            list_element_type_with_subst(dag, subst.lookup(expected_type)?, subst, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            list_element_type_with_subst(dag, *next, subst, depth + 1)
-        }
-        _ => list_element_type(dag, expected_type).map(|element| {
-            resolve_decl_with_subst_lower(dag, element, subst, 0).unwrap_or(element)
-        }),
-    }
-}
-
-fn map_value_type(dag: &Dag, expected_type: DeclarationId) -> Option<DeclarationId> {
-    let map_id = dag.declaration_by_name("Map")?.id;
-    let string_id = dag.declaration_by_name("String")?.id;
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if *template == map_id
-            && arguments.len() == 2
-            && walks_to(dag, arguments[0].value, string_id) =>
-        {
-            Some(arguments[1].value)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => map_value_type(dag, *next),
-        _ => None,
-    }
-}
-
-fn map_value_type_with_subst(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            map_value_type_with_subst(dag, subst.lookup(expected_type)?, subst, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            map_value_type_with_subst(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if dag
-            .declaration_by_name("Map")
-            .is_some_and(|decl| decl.id == *template)
-            && arguments.len() == 2 =>
-        {
-            let string_id = dag.declaration_by_name("String")?.id;
-            let key = resolve_decl_with_subst_lower(dag, arguments[0].value, subst, 0)
-                .unwrap_or(arguments[0].value);
-            walks_to(dag, key, string_id).then(|| {
-                resolve_decl_with_subst_lower(dag, arguments[1].value, subst, 0)
-                    .unwrap_or(arguments[1].value)
-            })
-        }
-        _ => None,
-    }
-}
-
-fn map_key_type_is_not_string(dag: &Dag, expected_type: DeclarationId) -> bool {
-    let Some(map_id) = dag.declaration_by_name("Map").map(|decl| decl.id) else {
-        return false;
-    };
-    let Some(string_id) = dag.declaration_by_name("String").map(|decl| decl.id) else {
-        return false;
-    };
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if *template == map_id && arguments.len() == 2 => {
-            !walks_to(dag, arguments[0].value, string_id)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            map_key_type_is_not_string(dag, *next)
-        }
-        _ => false,
-    }
-}
-
-fn map_key_type_is_not_string_with_subst(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> bool {
-    if depth >= 32 {
-        return false;
-    }
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            subst.lookup(expected_type).is_some_and(|bound| {
-                map_key_type_is_not_string_with_subst(dag, bound, subst, depth + 1)
-            })
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            map_key_type_is_not_string_with_subst(dag, *next, subst, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if dag
-            .declaration_by_name("Map")
-            .is_some_and(|decl| decl.id == *template)
-            && arguments.len() == 2 =>
-        {
-            let Some(string_id) = dag.declaration_by_name("String").map(|decl| decl.id) else {
-                return false;
-            };
-            let key = resolve_decl_with_subst_lower(dag, arguments[0].value, subst, 0)
-                .unwrap_or(arguments[0].value);
-            !walks_to(dag, key, string_id)
-        }
-        _ => false,
-    }
-}
-
-fn is_at_most_one_type_with_subst(
-    dag: &Dag,
-    expected_type: DeclarationId,
-    subst: &LowerSubstStack,
-    depth: usize,
-) -> bool {
-    if depth >= 32 {
-        return false;
-    }
-    match &dag.declaration(expected_type).connective {
-        TypeConnective::Cardinality(payload) => payload.bound() == CardinalityBound::AtMostOne,
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => subst
-            .lookup(expected_type)
-            .is_some_and(|bound| is_at_most_one_type_with_subst(dag, bound, subst, depth + 1)),
-        TypeConnective::Atom(
-            AtomPayload::ResolvedByStructure(next) | AtomPayload::ResolvedByName(next),
-        ) => is_at_most_one_type_with_subst(dag, *next, subst, depth + 1),
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if arguments.is_empty() => {
-            is_at_most_one_type_with_subst(dag, *template, subst, depth + 1)
-        }
-        _ => false,
-    }
-}
-
-/// Resolve a record-literal field value as a typed declaration
-/// reference. Accepts:
-///
-///   - `SurfaceExpr::Var { name }` — top-level identifier looked up
-///     in the symbols map.
-///   - `SurfaceExpr::Path { segments }` — dotted-path. The first
-///     segment is a top-level identifier; subsequent segments walk
-///     the parent's `Conj` children by field label or `Disj`
-///     variants by variant label, returning the child/variant's
-///     `ty` (the field's type declaration / the variant's payload
-///     declaration).
-///
-/// Walking Disj variants is the path that lets pattern-role
-/// realization specs reference a specific sum variant (e.g.
-/// `List.Empty`) without the emitter needing a label-matching
-/// heuristic — the authority for "which variant plays the empty
-/// role" lives in the spec data item, not in emitter code.
-///
-/// Returns `None` if the expression is not a recognized reference
-/// shape or any segment fails to resolve.
-fn resolve_field_value_as_declaration_ref(
-    expr: &SurfaceExpr,
-    symbols: &HashMap<String, DeclarationId>,
-    dag: &Dag,
-) -> Option<DeclarationId> {
-    let segments: Vec<&str> = match expr {
-        SurfaceExpr::Var { name, .. } => vec![name.as_str()],
-        SurfaceExpr::Path { segments, .. } => segments.iter().map(|s| s.as_str()).collect(),
-        _ => return None,
-    };
-    let (first, rest) = segments.split_first()?;
-    let mut current = symbols.get(*first).copied()?;
-    for segment in rest {
-        if let Some(conj_id) = walk_to_conj_decl(dag, current) {
-            let TypeConnective::Conj { children } = &dag.declaration(conj_id).connective else {
-                return None;
-            };
-            let next = children.iter().find(|f| f.label == *segment)?;
-            current = next.ty;
-            continue;
-        }
-        if let Some(disj_id) = walk_to_disj_decl(dag, current) {
-            let TypeConnective::Disj { variants } = &dag.declaration(disj_id).connective else {
-                return None;
-            };
-            let next = variants.iter().find(|v| v.label == *segment)?;
-            current = next.ty;
-            continue;
-        }
-        return None;
-    }
-    Some(current)
-}
-
-fn declaration_ref_types_equivalent(
-    dag: &Dag,
-    lhs: DeclarationId,
-    rhs: DeclarationId,
-    depth: usize,
-) -> bool {
-    if lhs == rhs {
-        return true;
-    }
-    if depth >= 32 {
-        return false;
-    }
-    let lhs_decl = dag.declaration(lhs);
-    let rhs_decl = dag.declaration(rhs);
-    match (&lhs_decl.connective, &rhs_decl.connective) {
-        (
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)),
-            _,
-        ) => declaration_ref_types_equivalent(dag, *next, rhs, depth + 1),
-        (
-            _,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)),
-        ) => declaration_ref_types_equivalent(dag, lhs, *next, depth + 1),
-        (
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            },
-            _,
-        ) if arguments.is_empty() => {
-            declaration_ref_types_equivalent(dag, *template, rhs, depth + 1)
-        }
-        (
-            _,
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            },
-        ) if arguments.is_empty() => {
-            declaration_ref_types_equivalent(dag, lhs, *template, depth + 1)
-        }
-        (
-            TypeConnective::Arrow {
-                inputs: lhs_inputs,
-                output: lhs_output,
-                ..
-            },
-            TypeConnective::Arrow {
-                inputs: rhs_inputs,
-                output: rhs_output,
-                ..
-            },
-        ) => {
-            lhs_inputs.len() == rhs_inputs.len()
-                && lhs_inputs
-                    .iter()
-                    .zip(rhs_inputs.iter())
-                    .all(|(lhs, rhs)| declaration_ref_types_equivalent(dag, *lhs, *rhs, depth + 1))
-                && declaration_ref_types_equivalent(dag, *lhs_output, *rhs_output, depth + 1)
-        }
-        (
-            TypeConnective::Instantiation {
-                template: lhs_template,
-                arguments: lhs_arguments,
-            },
-            TypeConnective::Instantiation {
-                template: rhs_template,
-                arguments: rhs_arguments,
-            },
-        ) => {
-            declaration_ref_types_equivalent(dag, *lhs_template, *rhs_template, depth + 1)
-                && lhs_arguments.len() == rhs_arguments.len()
-                && lhs_arguments
-                    .iter()
-                    .zip(rhs_arguments.iter())
-                    .all(|(lhs_arg, rhs_arg)| {
-                        lhs_arg.parameter == rhs_arg.parameter
-                            && declaration_ref_types_equivalent(
-                                dag,
-                                lhs_arg.value,
-                                rhs_arg.value,
-                                depth + 1,
-                            )
-                    })
-        }
-        _ => false,
-    }
-}
-
-fn declaration_ref_types_equivalent_with_subst(
-    dag: &Dag,
-    lhs: DeclarationId,
-    rhs: DeclarationId,
-    rhs_subst: &LowerSubstStack,
-    depth: usize,
-) -> bool {
-    if lhs == rhs {
-        return true;
-    }
-    if depth >= 32 {
-        return false;
-    }
-    let lhs_decl = dag.declaration(lhs);
-    let rhs_decl = dag.declaration(rhs);
-    match (&lhs_decl.connective, &rhs_decl.connective) {
-        (
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)),
-            _,
-        ) => declaration_ref_types_equivalent_with_subst(dag, *next, rhs, rhs_subst, depth + 1),
-        (
-            _,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)),
-        ) => declaration_ref_types_equivalent_with_subst(dag, lhs, *next, rhs_subst, depth + 1),
-        (_, TypeConnective::Atom(AtomPayload::TypeParam(_))) => {
-            rhs_subst.lookup(rhs).is_some_and(|bound| {
-                declaration_ref_types_equivalent_with_subst(dag, lhs, bound, rhs_subst, depth + 1)
-            })
-        }
-        (
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            },
-            _,
-        ) if arguments.is_empty() => {
-            declaration_ref_types_equivalent_with_subst(dag, *template, rhs, rhs_subst, depth + 1)
-        }
-        (
-            _,
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            },
-        ) if arguments.is_empty() => {
-            declaration_ref_types_equivalent_with_subst(dag, lhs, *template, rhs_subst, depth + 1)
-        }
-        (
-            TypeConnective::Arrow {
-                inputs: lhs_inputs,
-                output: lhs_output,
-                ..
-            },
-            TypeConnective::Arrow {
-                inputs: rhs_inputs,
-                output: rhs_output,
-                ..
-            },
-        ) => {
-            lhs_inputs.len() == rhs_inputs.len()
-                && lhs_inputs.iter().zip(rhs_inputs.iter()).all(|(lhs, rhs)| {
-                    declaration_ref_types_equivalent_with_subst(
-                        dag,
-                        *lhs,
-                        *rhs,
-                        rhs_subst,
-                        depth + 1,
-                    )
-                })
-                && declaration_ref_types_equivalent_with_subst(
-                    dag,
-                    *lhs_output,
-                    *rhs_output,
-                    rhs_subst,
-                    depth + 1,
-                )
-        }
-        (
-            TypeConnective::Instantiation {
-                template: lhs_template,
-                arguments: lhs_arguments,
-            },
-            TypeConnective::Instantiation {
-                template: rhs_template,
-                arguments: rhs_arguments,
-            },
-        ) => {
-            declaration_ref_types_equivalent_with_subst(
-                dag,
-                *lhs_template,
-                *rhs_template,
-                rhs_subst,
-                depth + 1,
-            ) && lhs_arguments.len() == rhs_arguments.len()
-                && lhs_arguments
-                    .iter()
-                    .zip(rhs_arguments.iter())
-                    .all(|(lhs_arg, rhs_arg)| {
-                        lhs_arg.parameter == rhs_arg.parameter
-                            && declaration_ref_types_equivalent_with_subst(
-                                dag,
-                                lhs_arg.value,
-                                rhs_arg.value,
-                                rhs_subst,
-                                depth + 1,
-                            )
-                    })
-        }
-        _ => declaration_ref_types_equivalent(dag, lhs, rhs, depth),
-    }
-}
-
-/// Realization category tag for the lower-time narrowing check.
-/// Mirrors `emit_rust::RealizationCategory` but lives in lower's
-/// own namespace because the lowerer can't depend on emit_rust.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum RealizationCategoryTag {
-    Type,
-    Operator,
-    Behavior,
-    Callable,
-    TypeInstantiation,
-    Pattern,
-}
-
-/// Identify which realization category (if any) a data item's
-/// meta-type belongs to. Returns `None` for non-realization data
-/// items (which skip the narrowing check entirely).
-///
-/// Looks up the meta-type by name. The realization meta cache on
-/// `Dag` isn't populated until `populate_primitive_cache` runs at
-/// bootstrap end, but `collect_symbols_phase` has registered every
-/// top-level declaration by the time `lower_record_to_structural`
-/// runs in Phase 2, so `declaration_by_name` works here. Same
-/// pattern as the primitive lookups above.
-fn realization_category_for_meta(
-    dag: &Dag,
-    meta_decl_id: DeclarationId,
-) -> Option<RealizationCategoryTag> {
-    let type_meta = dag.declaration_by_name("TypeRealization").map(|d| d.id);
-    let op_meta = dag.declaration_by_name("OperatorRealization").map(|d| d.id);
-    let behavior_meta = dag.declaration_by_name("BehaviorRealization").map(|d| d.id);
-    let callable_meta = dag.declaration_by_name("CallableRealization").map(|d| d.id);
-    let type_instantiation_meta = dag
-        .declaration_by_name("TypeInstantiationRealization")
-        .map(|d| d.id);
-    let pattern_meta = dag.declaration_by_name("PatternRealization").map(|d| d.id);
-    if Some(meta_decl_id) == type_meta {
-        Some(RealizationCategoryTag::Type)
-    } else if Some(meta_decl_id) == op_meta {
-        Some(RealizationCategoryTag::Operator)
-    } else if Some(meta_decl_id) == behavior_meta {
-        Some(RealizationCategoryTag::Behavior)
-    } else if Some(meta_decl_id) == callable_meta {
-        Some(RealizationCategoryTag::Callable)
-    } else if Some(meta_decl_id) == type_instantiation_meta {
-        Some(RealizationCategoryTag::TypeInstantiation)
-    } else if Some(meta_decl_id) == pattern_meta {
-        Some(RealizationCategoryTag::Pattern)
-    } else {
-        None
-    }
-}
-
-/// Validate that the resolved target of a realization-category
-/// field satisfies the per-(category, field_label) structural
-/// constraint. Returns `Ok(())` on success or `Err(reason)` with
-/// a human-readable explanation of the violation.
-///
-/// **The constraints encode the "DeclarationRef sentinel is too
-/// permissive" narrowing.** PR #445's R1 review on the unwind
-/// flagged that `BehaviorRealization { target: Int }` would
-/// type-check at the substrate level because the field type is
-/// `DeclarationRef` (the universal sentinel). The fully structural
-/// fix (typed marker hierarchy via `inhabits` syntax or `where`
-/// clauses) requires parser/lower extensions that are out of
-/// scope for the PR-B-unwind round; this function is the
-/// fail-closed lower-time alternative. Bad wirings now surface
-/// as fail-closed diagnostics at lower time, not as silent skips
-/// or downstream "missing realization" errors at emit time.
-///
-/// Constraints, by category × field label:
-///
-///   - `TypeRealization.target` — must be a primitive type
-///     declaration (Int / Bool / String). Anything else is a
-///     spec error.
-///   - `OperatorRealization.target` — must be either a primitive
-///     type or an atomic identity handle (the operand type for a
-///     realized operator, e.g. Int for `1 + 2` or PortId for
-///     reflected handle equality, or the `FreeMonoid` template for
-///     `OrderedRing.eq` after the monoid witness walk on `String` /
-///     `List` element comparisons). When `target` is `FreeMonoid`,
-///     `lower_record_to_structural` additionally requires `op` to resolve
-///     to the canonical `OrderedRing.eq` arrow (fail-closed pairing gate).
-///   - `OperatorRealization.op` — must walk to an Arrow
-///     declaration that is a child of an algebra Conj (e.g.
-///     OrderedRing.add). The constraint is "the resolved
-///     declaration's connective is Arrow," which is the structural
-///     shape every algebra field has.
-///   - `BehaviorRealization.target` — must be one of the v3_l1
-///     substrate behavior markers (Bind / Branch / Loop /
-///     Transform / ValueBehavior / Main).
-///   - `CallableRealization.target` — must walk to an Arrow
-///     declaration (a callable target).
-///   - `TypeInstantiationRealization.target` — must be a named
-///     generic declaration with at least one type parameter.
-///   - `PatternRealization.target` — must walk to a Disj
-///     declaration (a matchable sum carrier).
-fn validate_realization_field_target(
-    dag: &Dag,
-    category: RealizationCategoryTag,
-    field_label: &str,
-    target: DeclarationId,
-) -> Result<(), String> {
-    let int_id = dag.declaration_by_name("Int").map(|d| d.id);
-    let bool_id = dag.declaration_by_name("Bool").map(|d| d.id);
-    let string_id = dag.declaration_by_name("String").map(|d| d.id);
-    let node_id = dag.declaration_by_name("NodeId").map(|d| d.id);
-    let port_id = dag.declaration_by_name("PortId").map(|d| d.id);
-    let declaration_id = dag.declaration_by_name("DeclarationId").map(|d| d.id);
-    let free_monoid = dag.declaration_by_name("FreeMonoid").map(|d| d.id);
-
-    let is_primitive =
-        |id: DeclarationId| Some(id) == int_id || Some(id) == bool_id || Some(id) == string_id;
-    let is_atomic_handle = |id: DeclarationId| {
-        Some(id) == node_id || Some(id) == port_id || Some(id) == declaration_id
-    };
-    let is_behavior_marker = |id: DeclarationId| {
-        let markers = [
-            dag.declaration_by_name("ValueBehavior"),
-            dag.declaration_by_name("Transform"),
-            dag.declaration_by_name("Branch"),
-            dag.declaration_by_name("Loop"),
-            dag.declaration_by_name("Bind"),
-            dag.declaration_by_name("Main"),
-        ];
-        markers.iter().any(|m| m.map(|d| d.id) == Some(id))
-    };
-    let is_algebra_field =
-        |id: DeclarationId| matches!(dag.declaration(id).connective, TypeConnective::Arrow { .. });
-    let walks_to_arrow = |start: DeclarationId| {
-        let mut current = start;
-        for _ in 0..32 {
-            match &dag.declaration(current).connective {
-                TypeConnective::Arrow { .. } => return true,
-                TypeConnective::Instantiation { template, .. } => current = *template,
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-                _ => return false,
-            }
-        }
-        false
-    };
-    let walks_to_disj = |start: DeclarationId| {
-        let mut current = start;
-        for _ in 0..32 {
-            match &dag.declaration(current).connective {
-                TypeConnective::Disj { .. } => return true,
-                TypeConnective::Instantiation { template, .. } => current = *template,
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-                _ => return false,
-            }
-        }
-        false
-    };
-
-    match (category, field_label) {
-        (RealizationCategoryTag::Type, "target") => {
-            if is_behavior_marker(target) {
-                Err(format!(
-                    "TypeRealization.target must reference a realizable structural type, not a behavior marker; got declaration {target:?}"
-                ))
-            } else {
-                Ok(())
-            }
-        }
-        (RealizationCategoryTag::Operator, "target") => {
-            if is_primitive(target) || is_atomic_handle(target) || Some(target) == free_monoid {
-                Ok(())
-            } else {
-                Err(format!(
-                    "OperatorRealization.target must reference a primitive operand type, atomic handle (Int/Bool/String/NodeId/PortId/DeclarationId), or the `FreeMonoid` template; got declaration {target:?}"
-                ))
-            }
-        }
-        (RealizationCategoryTag::Operator, "op") => {
-            if is_algebra_field(target) {
-                Ok(())
-            } else {
-                Err(format!(
-                    "OperatorRealization.op must reference an algebra field declaration whose connective is Arrow (e.g. OrderedRing.add); got declaration {target:?}"
-                ))
-            }
-        }
-        (RealizationCategoryTag::Behavior, "target") => {
-            if is_behavior_marker(target) {
-                Ok(())
-            } else {
-                Err(format!(
-                    "BehaviorRealization.target must reference one of the v3_l1 behavior markers (Bind/Branch/Loop/Transform/ValueBehavior/Main); got declaration {target:?}"
-                ))
-            }
-        }
-        (RealizationCategoryTag::Callable, "target") => {
-            if walks_to_arrow(target) {
-                Ok(())
-            } else {
-                Err(format!(
-                    "CallableRealization.target must reference a callable declaration whose connective walks to Arrow; got declaration {target:?}"
-                ))
-            }
-        }
-        (RealizationCategoryTag::TypeInstantiation, "target") => {
-            if !dag.declaration(target).type_params.is_empty() {
-                Ok(())
-            } else {
-                Err(format!(
-                    "TypeInstantiationRealization.target must reference a generic declaration with at least one type parameter; got declaration {target:?}"
-                ))
-            }
-        }
-        (RealizationCategoryTag::Pattern, "target") => {
-            if walks_to_disj(target) {
-                Ok(())
-            } else {
-                Err(format!(
-                    "PatternRealization.target must reference a matchable sum declaration whose connective walks to Disj; got declaration {target:?}"
-                ))
-            }
-        }
-        // Fields without a category-specific narrowing constraint
-        // (e.g. carrier and cost are scalar literals, not
-        // Declaration references). The category check is a
-        // partial constraint applied only to the fields where it
-        // makes sense; other fields skip it.
-        _ => Ok(()),
-    }
-}
-
-/// Walk a declaration chain looking for a specific target
-/// declaration id. Returns true if `current` eventually resolves
-/// to `target` via Instantiation/ResolvedIdentifier edges or if
-/// `current == target` directly. Used by
-/// `lower_record_to_structural` to check "is this field's type
-/// annotation ultimately Int/Bool/String?"
-fn walks_to(dag: &Dag, start: DeclarationId, target: DeclarationId) -> bool {
-    let mut current = start;
-    for _ in 0..32 {
-        if current == target {
-            return true;
-        }
-        let decl = dag.declaration(current);
-        match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => {
-                current = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                current = *next;
-            }
-            _ => return false,
-        }
-    }
-    false
-}
-
-#[allow(clippy::too_many_arguments)]
-fn lower_fn_item_expr_body(
-    name: &str,
-    params: &[SurfaceParam],
-    return_type: &SurfaceType,
-    body: &SurfaceExpr,
-    dag: &mut Dag,
-    outer_scope: HashMap<String, PortId>,
-    symbols: &HashMap<String, DeclarationId>,
-    mutual_recursion: &MutualRecursionPlans,
-    mutual_state: &mut MutualRecursionState,
-) -> HashMap<String, PortId> {
-    let fn_decl_id = symbols[name];
-
-    // 1. Read the seeded Arrow — single-construction-authority for
-    //    parameter declarations (DB-11 3a.3). `seed_function_signatures_phase`
-    //    already ran `type_to_declaration_id` for each parameter and,
-    //    when a `where` refinement is present, built the predicate
-    //    Declaration + refined Declaration via `lower_parameter_refinement`.
-    //    Re-lowering them here would push a parallel Bind + refined
-    //    Declaration into the DAG for every `where` clause and then
-    //    overwrite the fn's Arrow inputs to point at the duplicates
-    //    — the seeded ones would stay in the DAG, orphaned. Read
-    //    the seeded inputs directly instead.
-    let (param_decl_inputs, return_decl_id) = match dag.declaration(fn_decl_id).connective.clone() {
-        TypeConnective::Arrow { inputs, output, .. } => (inputs, output),
-        observed => {
-            let fn_decl = dag.declaration(fn_decl_id);
-            let fn_decl_name = fn_decl.name.as_deref().unwrap_or(name).to_string();
-            let span = fn_decl.span.clone();
-            report_declaration_error(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "function declaration `{fn_decl_name}` ({fn_decl_id:?}) violated \
-                         lowering invariant: seed_function_signatures_phase did not produce \
-                         an Arrow connective for this Fn; observed connective: {observed:?}"
-                    ),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                    span,
-                },
-            );
-            return outer_scope;
-        }
-    };
-    let mut param_ports: Vec<PortId> = Vec::with_capacity(params.len());
-    let mut body_scope: HashMap<String, PortId> = outer_scope.clone();
-    let mut callable_scope: CallableScope = CallableScope::new();
-    for (param, &input_decl) in params.iter().zip(param_decl_inputs.iter()) {
-        let port = dag.alloc_port(None);
-        match declaration_to_port_shape(input_decl, dag, param.ty.span()) {
-            Ok(ty) => dag.set_port_type(port, ty),
-            Err(diag) => dag.mark_unresolved(port, diag),
-        }
-        body_scope.insert(param.name.clone(), port);
-        if declaration_is_callable(dag, input_decl, 0) {
-            callable_scope.insert(param.name.clone(), input_decl);
-        }
-        param_ports.push(port);
-    }
-
-    // 2. Compute return `TypeShape` from the seeded Arrow's output
-    //    declaration (read above). Same single-construction-authority
-    //    invariant as the parameter loop.
-    let (return_ty, return_type_diagnostic) =
-        match declaration_to_port_shape(return_decl_id, dag, return_type.span()) {
-            Ok(ty) => (Some(ty), None),
-            Err(diag) => (None, Some(diag)),
-        };
-
-    // 3. Mutual recursion check — same as M0. Reject with an
-    //    Unresolved Bind value port AND set the Arrow body to
-    //    `UserDefined(bind_id)` pointing at that Bind. `decide_transform`'s
-    //    `UserDefined` arm reads the Bind's value port state: if it's
-    //    Unresolved, every caller fails with "function has an invalid
-    //    body," cascading the rejection through the normal
-    //    upstream-failure mechanism.
-    //
-    //    **R13 fix.** Earlier revisions set `body = ArrowBody::Pending`
-    //    here, which `decide_transform` accepts as a realization-lag
-    //    scaffold (signature type-checks, body walking skipped). That
-    //    path doesn't read the Bind, so callers got Resolved types
-    //    from an invalid fn — a FAIL-CLOSED violation. Using
-    //    `UserDefined(bind_id)` routes callers through the
-    //    Unresolved-body guard that poisons them correctly. The
-    //    non-mutually-recursive rejection paths below (zero-param
-    //    recursion, non-descent-provable recursion) already use this
-    //    shape via the common bottom-of-function code.
-    if let Some(invalid_cluster) = mutual_recursion.invalid_by_member.get(&fn_decl_id) {
-        let err_port = dag.alloc_port(None);
-        let body_span = surface_expr_span(body).clone();
-        dag.mark_unresolved(
-            err_port,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "cannot prove mutually-recursive cluster {{{}}} terminates",
-                    invalid_cluster.members.join(", ")
-                ),
-                span: body_span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-        let bind_id = dag.alloc_node_id();
-        dag.push_node(Behavior::Bind(BindNode {
-            id: bind_id,
-            name: name.to_string(),
-            value: err_port,
-            params: param_ports,
-            span: body_span,
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        dag.declaration_mut(fn_decl_id).connective = TypeConnective::Arrow {
-            inputs: param_decl_inputs,
-            output: return_decl_id,
-            body: ArrowBody::UserDefined(
-                BindNodeId::from_bind_node(dag, bind_id)
-                    .expect("UserDefined Arrow body bind id must point at a Bind"),
-            ),
-        };
-        let mut outer_scope = outer_scope;
-        outer_scope.insert(name.to_string(), err_port);
-        return outer_scope;
-    }
-
-    // `config_patch_layer` is expanded at call sites (`try_lower_config_patch_layer_invocation`).
-    // Do not lower the surface stub body (`base`) — that would silently discard `patch` on any
-    // invocation path that bypasses the interceptor.
-    if callable_is_v4_std_patch_config_patch_layer(dag, fn_decl_id) {
-        let body_span = surface_expr_span(body).clone();
-        let err_port = dag.alloc_port(None);
-        dag.mark_unresolved(
-            err_port,
-            config_patch_layer_body_fallback_diagnostic(&body_span),
-        );
-        if let Some(return_ty) = return_ty {
-            dag.set_port_type(err_port, return_ty);
-        } else if let Some(diag) = return_type_diagnostic {
-            dag.mark_unresolved(err_port, diag);
-        }
-        let bind_id = dag.alloc_node_id();
-        dag.push_node(Behavior::Bind(BindNode {
-            id: bind_id,
-            name: name.to_string(),
-            value: err_port,
-            params: param_ports,
-            span: body_span,
-            lane2_workflow: None,
-            emit_participation: Some(BindEmitParticipation::UserCallable),
-        }));
-        dag.declaration_mut(fn_decl_id).connective = TypeConnective::Arrow {
-            inputs: param_decl_inputs,
-            output: return_decl_id,
-            body: ArrowBody::UserDefined(
-                BindNodeId::from_bind_node(dag, bind_id)
-                    .expect("UserDefined Arrow body bind id must point at a Bind"),
-            ),
-        };
-        let mut outer_scope = outer_scope;
-        outer_scope.insert(name.to_string(), err_port);
-        return outer_scope;
-    }
-
-    // 4. Lower the body.
-    let body_start_index = dag.nodes().len();
-    let lowered_body_return_port = lower_expr(
-        body,
-        dag,
-        &body_scope,
-        &callable_scope,
-        symbols,
-        Some(return_decl_id),
-    );
-    let body_root = dag.port(lowered_body_return_port).produced_by;
-    let body_return_port = if return_type_diagnostic.is_some() {
-        dag.alloc_port(None)
-    } else {
-        lowered_body_return_port
-    };
-    let body_span = surface_expr_span(body).clone();
-    let body_end_index = dag.nodes().len();
-
-    let mutual_cluster = mutual_recursion.cluster_for_member(fn_decl_id);
-
-    // 5. Handle recursion: bounded Loop wrapping (descent-provable) or
-    //    fail-closed rejection (unprovable or zero-arg). Same M0 logic; the
-    //    descent check operates on the unresolved operator-identifier shape
-    //    (SurfaceExpr::Call with target "-"), per §8.9 Option A.
-    let mut pending_loop: Option<PendingMutualLoop> = None;
-    let (bind_value_port, value_port) = if let Some(cluster) = mutual_cluster {
-        let slot = cluster.per_member_positions[&fn_decl_id];
-        let loop_output = dag.alloc_port(None);
-        if let Some(return_ty) = return_ty {
-            dag.set_port_type(loop_output, return_ty);
-        } else if let Some(diag) = return_type_diagnostic.clone() {
-            dag.mark_unresolved(loop_output, diag);
-        }
-        pending_loop = Some(PendingMutualLoop {
-            bind_id: None,
-            source: param_ports[slot],
-            body_port: body_return_port,
-            loop_output,
-            body_root,
-            span: body_span.clone(),
-        });
-        (body_return_port, loop_output)
-    } else if is_recursive(body, name, dag, symbols) {
-        if param_ports.is_empty() {
-            let err_port = dag.alloc_port(None);
-            dag.mark_unresolved(
-                err_port,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "function `{name}` is recursive but has no parameters; cannot terminate"
-                    ),
-                    span: body_span.clone(),
-                    correction: witness_correction_for_decl(
-                        dag,
-                        return_decl_id,
-                        body_span.clone(),
-                        format!(
-                            "replace the recursive body of `{name}` with a `{}` base case",
-                            declaration_display_name(dag, return_decl_id)
-                        ),
-                    )
-                    .unwrap_or_else(|| {
-                        crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "LoweringDiagnostic",
-                        )
-                    }),
-                },
-            );
-            (err_port, err_port)
-        } else if !descent_provable(
-            body,
-            dag,
-            param_decl_inputs[0],
-            name,
-            &params[0].name,
-            &HashMap::new(),
-            symbols,
-        ) {
-            let err_port = dag.alloc_port(None);
-            dag.mark_unresolved(
-                err_port,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "cannot prove recursion in `{name}` terminates; expected each recursive call's first argument to be `{param} - <positive int>` or a structurally smaller recursive child",
-                        param = &params[0].name,
-                    ),
-                    span: body_span.clone(),
-                    correction: witness_correction_for_decl(
-                        dag,
-                        return_decl_id,
-                        body_span.clone(),
-                        format!(
-                            "replace the non-terminating body of `{name}` with a `{}` base case",
-                            declaration_display_name(dag, return_decl_id)
-                        ),
-                    ).unwrap_or_else(|| crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic")),
-                },
-            );
-            (err_port, err_port)
-        } else {
-            let loop_id = dag.alloc_node_id();
-            let loop_output = dag.alloc_port(Some(loop_id));
-            if let Some(return_ty) = return_ty {
-                dag.set_port_type(loop_output, return_ty);
-            } else if let Some(diag) = return_type_diagnostic.clone() {
-                dag.mark_unresolved(loop_output, diag);
-            }
-            let loop_body_node = body_root.unwrap_or(loop_id);
-            dag.push_node(Behavior::Loop(LoopNode {
-                id: loop_id,
-                source: param_ports[0],
-                init: param_ports[0],
-                body: loop_body_node,
-                bound: LoopBound::Cardinality {
-                    count: param_ports[0],
-                },
-                output: loop_output,
-                span: body_span.clone(),
-            }));
-            (loop_output, loop_output)
-        }
-    } else {
-        (body_return_port, body_return_port)
-    };
-
-    if let Some(return_ty) = return_ty {
-        dag.set_port_type(bind_value_port, return_ty);
-        if value_port != bind_value_port {
-            dag.set_port_type(value_port, return_ty);
-        }
-    } else if let Some(diag) = return_type_diagnostic {
-        dag.mark_unresolved(bind_value_port, diag.clone());
-        if value_port != bind_value_port {
-            dag.mark_unresolved(value_port, diag);
-        }
-    }
-    let bind_id = dag.alloc_node_id();
-    dag.push_node(Behavior::Bind(BindNode {
-        id: bind_id,
-        name: name.to_string(),
-        value: bind_value_port,
-        params: param_ports,
-        span: body_span,
-        lane2_workflow: None,
-        emit_participation: Some(BindEmitParticipation::UserCallable),
-    }));
-
-    if let Some(cluster_index) = mutual_recursion.by_member.get(&fn_decl_id).copied() {
-        let cluster_state = &mut mutual_state.clusters[cluster_index];
-        if let Some(mut pending) = pending_loop {
-            pending.bind_id = Some(bind_id);
-            cluster_state.pending_loops.insert(fn_decl_id, pending);
-        }
-        let cluster_plan = &mutual_recursion.clusters[cluster_index];
-        cluster_state.intra_cluster_transform_ids.extend(
-            dag.nodes()[body_start_index..body_end_index]
-                .iter()
-                .filter_map(Behavior::as_transform)
-                .filter_map(|transform| match transform.target {
-                    TransformTarget::Callable(target_decl) => cluster_plan
-                        .has_recursive_edge(fn_decl_id, callable_target_template(target_decl, dag))
-                        .then_some(transform.id),
-                    _ => None,
-                }),
-        );
-    }
-
-    // 6. Fill in the function's Declaration with the Arrow connective.
-    dag.declaration_mut(fn_decl_id).connective = TypeConnective::Arrow {
-        inputs: param_decl_inputs,
-        output: return_decl_id,
-        body: ArrowBody::UserDefined(
-            BindNodeId::from_bind_node(dag, bind_id)
-                .expect("UserDefined Arrow body bind id must point at a Bind"),
-        ),
-    };
-
-    let mut outer_scope = outer_scope;
-    outer_scope.insert(name.to_string(), value_port);
-    outer_scope
-}
-
-/// Convert a surface type annotation into a port-level `TypeShape`.
-/// User code at M1(2.6) only accepts primitive type annotations
-/// Wrap a pre-computed `DeclarationId` as a port `TypeShape`, with a
-/// fail-closed check for fresh unresolved stubs.
-///
-/// **Dissolution receipt — QW5 SINGLE AUTHORITY + R9 double-lower fix.**
-/// Before M1(2.7) port typing hardcoded `"Int"|"Bool"|"String"` as a
-/// whitelist parallel to `type_to_declaration_id`'s structural walk.
-/// The whitelist dissolved into `type_to_declaration_id` (Class 1
-/// resolution). Before R9, the port path *re-called*
-/// `type_to_declaration_id` in a separate helper, so compound types
-/// like `List<Int>` allocated two anonymous declarations — one for
-/// the Arrow input, one for the port TypeShape — with different
-/// `DeclarationId`s. R9 collapses that: callers run
-/// `type_to_declaration_id` **once** and pass the resulting id to
-/// this helper, so the Arrow's declaration slot and the port's
-/// `TypeShape` share identity.
-///
-/// The fail-closed guard detects a fresh anonymous
-/// `UnresolvedIdentifier` stub (name wasn't in the symbol table)
-/// and returns `Err` so the caller marks the port `Unresolved`. The
-/// resolve sweep ALSO fires against the stub at end of lowering,
-/// but this path anchors the failure to the annotation span.
-fn declaration_to_port_shape(
-    decl_id: DeclarationId,
-    dag: &Dag,
-    annotation_span: &SourceSpan,
-) -> Result<TypeShape, Diagnostic> {
-    let decl = dag.declaration(decl_id);
-    if decl.name.is_none() {
-        if let TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name)) = &decl.connective {
-            return Err(Diagnostic::ResolveError {
-                name: format!("unknown type `{name}`"),
-                span: annotation_span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            });
-        }
-    }
-    Ok(TypeShape::new(decl_id))
-}
-
-fn declaration_callable_inputs(
-    dag: &Dag,
-    current: DeclarationId,
-    depth: usize,
-) -> Option<Vec<DeclarationId>> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Arrow { inputs, .. } => Some(inputs.clone()),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            declaration_callable_inputs(dag, *next, depth + 1)
-        }
-        TypeConnective::Instantiation { template, .. } => {
-            declaration_callable_inputs(dag, *template, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::TypeParam(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Cardinality(_) => None,
-    }
-}
-
-fn declaration_is_callable(dag: &Dag, current: DeclarationId, depth: usize) -> bool {
-    declaration_callable_inputs(dag, current, depth).is_some()
-}
-
-fn callable_target_template(target: DeclarationId, dag: &Dag) -> DeclarationId {
-    match &dag.declaration(target).connective {
-        TypeConnective::Instantiation { template, .. } => *template,
-        _ => target,
-    }
-}
-
-fn declaration_callable_output(
-    dag: &Dag,
-    current: DeclarationId,
-    depth: usize,
-) -> Option<DeclarationId> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Arrow { output, .. } => Some(*output),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            declaration_callable_output(dag, *next, depth + 1)
-        }
-        TypeConnective::Instantiation { template, .. } => {
-            declaration_callable_output(dag, *template, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::TypeParam(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Conj { .. }
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Cardinality(_) => None,
-    }
-}
-
-fn declaration_callable_signature(
-    dag: &Dag,
-    current: DeclarationId,
-    depth: usize,
-) -> Option<(Vec<DeclarationId>, DeclarationId)> {
-    Some((
-        declaration_callable_inputs(dag, current, depth)?,
-        declaration_callable_output(dag, current, depth)?,
-    ))
-}
-
-fn lambda_synthetic_name(span: &SourceSpan) -> String {
-    format!("__anon_lambda_{}_{}", span.byte_start, span.byte_end)
-}
-
-fn collect_lambda_free_names(
-    expr: &SurfaceExpr,
-    bound: &HashSet<String>,
-    free: &mut HashSet<String>,
-) {
-    match expr {
-        SurfaceExpr::Literal { .. } => {}
-        SurfaceExpr::Var { name, .. } => {
-            if !bound.contains(name) {
-                free.insert(name.clone());
-            }
-        }
-        SurfaceExpr::Path { segments, .. } => {
-            if let Some(head) = segments.first() {
-                if !bound.contains(head) {
-                    free.insert(head.clone());
-                }
-            }
-        }
-        SurfaceExpr::Call { target, args, .. } => {
-            if !bound.contains(target) {
-                free.insert(target.clone());
-            }
-            for arg in args {
-                collect_lambda_free_names(arg, bound, free);
-            }
-        }
-        SurfaceExpr::VariantRecord { fields, .. } => {
-            for field in fields {
-                collect_lambda_free_names(&field.value, bound, free);
-            }
-        }
-        SurfaceExpr::Operator { args, .. } => {
-            for arg in args {
-                collect_lambda_free_names(arg, bound, free);
-            }
-        }
-        SurfaceExpr::Lambda { params, body, .. } => {
-            let mut inner_bound = bound.clone();
-            inner_bound.extend(params.iter().cloned());
-            collect_lambda_free_names(body, &inner_bound, free);
-        }
-        SurfaceExpr::If {
-            cond,
-            then_branch,
-            else_branch,
-            ..
-        } => {
-            collect_lambda_free_names(cond, bound, free);
-            collect_lambda_free_names(then_branch, bound, free);
-            collect_lambda_free_names(else_branch, bound, free);
-        }
-        SurfaceExpr::Match {
-            scrutinee, arms, ..
-        } => {
-            collect_lambda_free_names(scrutinee, bound, free);
-            for arm in arms {
-                let mut arm_bound = bound.clone();
-                for binding in pattern_binding_names(&arm.pattern) {
-                    arm_bound.insert(binding.to_string());
-                }
-                collect_lambda_free_names(&arm.body, &arm_bound, free);
-            }
-        }
-        SurfaceExpr::Record { fields, .. } => {
-            for field in fields {
-                collect_lambda_free_names(&field.value, bound, free);
-            }
-        }
-        SurfaceExpr::List { elements, .. } => {
-            for element in elements {
-                collect_lambda_free_names(element, bound, free);
-            }
-        }
-        SurfaceExpr::Map { entries, .. } => {
-            for entry in entries {
-                collect_lambda_free_names(&entry.value, bound, free);
-            }
-        }
-        SurfaceExpr::PathCall { segments, args, .. } => {
-            if let Some(head) = segments.first() {
-                if !bound.contains(head) {
-                    free.insert(head.clone());
-                }
-            }
-            for arg in args {
-                collect_lambda_free_names(arg, bound, free);
-            }
-        }
-    }
-}
-
-fn lower_lambda_expr(
-    params: &[String],
-    body: &SurfaceExpr,
-    span: &SourceSpan,
-    expected_decl: DeclarationId,
-    ctx: &mut LambdaLoweringContext<'_>,
-) -> Result<DeclarationId, Diagnostic> {
-    let connective = lower_lambda_expr_to_arrow(params, body, span, expected_decl, ctx)?;
-    let lambda_decl_id = ctx.dag.alloc_declaration_id();
-    ctx.dag.push_declaration(Declaration {
-        id: lambda_decl_id,
-        name: None,
-        connective,
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span.clone(),
-    });
-    Ok(lambda_decl_id)
-}
-
-fn lower_lambda_expr_to_arrow(
-    params: &[String],
-    body: &SurfaceExpr,
-    span: &SourceSpan,
-    expected_decl: DeclarationId,
-    ctx: &mut LambdaLoweringContext<'_>,
-) -> Result<TypeConnective, Diagnostic> {
-    let Some((expected_inputs, expected_output)) =
-        declaration_callable_signature(ctx.dag, expected_decl, 0)
-    else {
-        return Err(Diagnostic::ResolveError {
-            name: "lambda expression requires an expected function type".to_string(),
-            span: span.clone(),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "LoweringDiagnostic",
-            ),
-        });
-    };
-    if expected_inputs.len() != params.len() {
-        return Err(Diagnostic::ResolveError {
-            name: format!(
-                "lambda parameter count mismatch: expected {} parameter(s) from the surrounding function type, found {}",
-                expected_inputs.len(),
-                params.len(),
-            ),
-            span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-        });
-    }
-
-    let mut free = HashSet::new();
-    let bound: HashSet<String> = params.iter().cloned().collect();
-    collect_lambda_free_names(body, &bound, &mut free);
-    let mut free_names: Vec<String> = free.into_iter().collect();
-    free_names.sort();
-
-    let mut capture_ports: Vec<PortId> = Vec::new();
-    let mut body_scope: HashMap<String, PortId> = HashMap::new();
-    let mut body_callable_scope: CallableScope = CallableScope::new();
-    for name in free_names {
-        let mut found_binding = false;
-        if let Some(&port) = ctx.scope.get(&name) {
-            capture_ports.push(port);
-            body_scope.insert(name.clone(), port);
-            found_binding = true;
-        }
-        if let Some(&decl_id) = ctx.callable_scope.get(&name) {
-            body_callable_scope.insert(name.clone(), decl_id);
-            found_binding = true;
-        }
-        if !found_binding && ctx.symbols.contains_key(&name) {
-            found_binding = true;
-        }
-        if !found_binding {
-            return Err(Diagnostic::ResolveError {
-                name,
-                span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            });
-        }
-    }
-
-    let mut param_ports: Vec<PortId> = Vec::with_capacity(params.len());
-    for (name, input_decl) in params.iter().zip(expected_inputs.iter()) {
-        let port = ctx.dag.alloc_port(None);
-        let ty = declaration_to_port_shape(*input_decl, ctx.dag, span)?;
-        ctx.dag.set_port_type(port, ty);
-        body_scope.insert(name.clone(), port);
-        if declaration_is_callable(ctx.dag, *input_decl, 0) {
-            body_callable_scope.insert(name.clone(), *input_decl);
-        }
-        param_ports.push(port);
-    }
-
-    let body_return_port = lower_expr(
-        body,
-        ctx.dag,
-        &body_scope,
-        &body_callable_scope,
-        ctx.symbols,
-        Some(expected_output),
-    );
-    let bind_id = ctx.dag.alloc_node_id();
-    let mut bind_params = capture_ports;
-    bind_params.extend(param_ports);
-    ctx.dag.push_node(Behavior::Bind(BindNode {
-        id: bind_id,
-        name: lambda_synthetic_name(span),
-        value: body_return_port,
-        params: bind_params,
-        span: span.clone(),
-        lane2_workflow: None,
-        emit_participation: Some(BindEmitParticipation::UserCallable),
-    }));
-
-    Ok(TypeConnective::Arrow {
-        inputs: expected_inputs,
-        output: expected_output,
-        body: ArrowBody::UserDefined(
-            BindNodeId::from_bind_node(ctx.dag, bind_id)
-                .expect("UserDefined Arrow body bind id must point at a Bind"),
-        ),
-    })
-}
-
-fn resolve_callable_reference(
-    expr: &SurfaceExpr,
-    dag: &mut Dag,
-    callable_scope: &CallableScope,
-    symbols: &HashMap<String, DeclarationId>,
-) -> DeclarationId {
-    match expr {
-        SurfaceExpr::Var { name, span } => callable_scope
-            .get(name)
-            .copied()
-            .or_else(|| symbols.get(name).copied())
-            .unwrap_or_else(|| alloc_identifier_stub(dag, name, span)),
-        SurfaceExpr::Path { segments, span, .. } => {
-            alloc_identifier_stub(dag, &segments.join("."), span)
-        }
-        other => alloc_identifier_stub(dag, "__callable_argument__", surface_expr_span(other)),
-    }
-}
-
-fn push_template_argument_binding(
-    arguments: &mut Vec<TemplateArgument>,
-    parameter: DeclarationId,
-    value: DeclarationId,
-) -> bool {
-    for existing in arguments.iter() {
-        if existing.parameter == parameter {
-            return existing.value == value;
-        }
-    }
-    arguments.push(TemplateArgument { parameter, value });
-    true
-}
-
-fn template_argument_value(
-    arguments: &[TemplateArgument],
-    parameter: DeclarationId,
-) -> Option<DeclarationId> {
-    arguments
-        .iter()
-        .find(|arg| arg.parameter == parameter)
-        .map(|arg| arg.value)
-}
-
-fn resolve_template_argument_value(
-    arguments: &[TemplateArgument],
-    current: DeclarationId,
-    depth: usize,
-) -> DeclarationId {
-    if depth >= 32 {
-        return current;
-    }
-    let Some(next) = template_argument_value(arguments, current) else {
-        return current;
-    };
-    if next == current {
-        return current;
-    }
-    resolve_template_argument_value(arguments, next, depth + 1)
-}
-
-fn retained_template_arguments_for_target(
-    dag: &Dag,
-    base_target_decl: DeclarationId,
-    arguments: &[TemplateArgument],
-) -> Vec<TemplateArgument> {
-    let template = match &dag.declaration(base_target_decl).connective {
-        TypeConnective::Instantiation { template, .. } => *template,
-        _ => base_target_decl,
-    };
-    let mut allowed: HashSet<DeclarationId> = dag
-        .declaration(template)
-        .type_params
-        .iter()
-        .copied()
-        .collect();
-    if let Some(enclosing_disj) = enclosing_disj_for_variant_lower(dag, template) {
-        allowed.extend(dag.declaration(enclosing_disj).type_params.iter().copied());
-    }
-    if let Some(inputs) = direct_invocation_input_decls(dag, template, 0) {
-        for input in inputs {
-            if declaration_is_callable(dag, input, 0) {
-                allowed.insert(input);
-            }
-        }
-    }
-
-    let mut retained: Vec<TemplateArgument> = Vec::new();
-    for argument in arguments {
-        if !allowed.contains(&argument.parameter) {
-            continue;
-        }
-        let resolved_value = resolve_template_argument_value(arguments, argument.value, 0);
-        if let Some(existing) = retained
-            .iter_mut()
-            .find(|existing| existing.parameter == argument.parameter)
-        {
-            existing.value = resolved_value;
-            continue;
-        }
-        retained.push(TemplateArgument {
-            parameter: argument.parameter,
-            value: resolved_value,
-        });
-    }
-    retained
-}
-
-fn enclosing_disj_for_variant_lower(
-    dag: &Dag,
-    variant_decl_id: DeclarationId,
-) -> Option<DeclarationId> {
-    dag.declarations().iter().find_map(|decl| {
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return None;
-        };
-        variants
-            .iter()
-            .find(|variant| variant.ty == variant_decl_id)
-            .map(|_| decl.id)
-    })
-}
-
-fn callable_binding_conflict_diagnostic(
-    target: &str,
-    arg_index: usize,
-    span: &SourceSpan,
-) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: format!(
-            "callable argument {} to `{target}` does not match the expected function type or conflicts with earlier template bindings",
-            arg_index + 1
-        ),
-        span: span.clone(),
-    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-    }
-}
-
-fn bind_expected_type_to_actual(
-    dag: &Dag,
-    expected_id: DeclarationId,
-    actual_id: DeclarationId,
-    arguments: &mut Vec<TemplateArgument>,
-    depth: usize,
-) -> bool {
-    if depth >= 32 {
-        return false;
-    }
-    let expected_decl = dag.declaration(expected_id);
-    match &expected_decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => {
-            if let Some(bound) = template_argument_value(arguments, expected_id) {
-                if bound != expected_id {
-                    return bind_expected_type_to_actual(
-                        dag,
-                        bound,
-                        actual_id,
-                        arguments,
-                        depth + 1,
-                    );
-                }
-            }
-            push_template_argument_binding(arguments, expected_id, actual_id)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            bind_expected_type_to_actual(dag, *next, actual_id, arguments, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments: expected_arguments,
-        } => {
-            let actual_decl = dag.declaration(actual_id);
-            match &actual_decl.connective {
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    bind_expected_type_to_actual(dag, expected_id, *next, arguments, depth + 1)
-                }
-                TypeConnective::Instantiation {
-                    template: actual_template,
-                    arguments: actual_arguments,
-                } => {
-                    if *actual_template == expected_id
-                        && expected_arguments.len() == actual_arguments.len()
-                    {
-                        return expected_arguments.iter().zip(actual_arguments.iter()).all(
-                            |(expected, actual)| {
-                                bind_expected_type_to_actual(
-                                    dag,
-                                    expected.value,
-                                    actual.value,
-                                    arguments,
-                                    depth + 1,
-                                )
-                            },
-                        );
-                    }
-                    if template != actual_template
-                        || expected_arguments.len() != actual_arguments.len()
-                    {
-                        return false;
-                    }
-                    expected_arguments.iter().zip(actual_arguments.iter()).all(
-                        |(expected, actual)| {
-                            bind_expected_type_to_actual(
-                                dag,
-                                expected.value,
-                                actual.value,
-                                arguments,
-                                depth + 1,
-                            )
-                        },
-                    )
-                }
-                _ => false,
-            }
-        }
-        TypeConnective::Arrow { inputs, output, .. } => {
-            let actual_decl = dag.declaration(actual_id);
-            match &actual_decl.connective {
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    bind_expected_type_to_actual(dag, expected_id, *next, arguments, depth + 1)
-                }
-                TypeConnective::Arrow {
-                    inputs: actual_inputs,
-                    output: actual_output,
-                    ..
-                } => {
-                    if inputs.len() != actual_inputs.len() {
-                        return false;
-                    }
-                    inputs
-                        .iter()
-                        .zip(actual_inputs.iter())
-                        .all(|(expected, actual)| {
-                            bind_expected_type_to_actual(
-                                dag,
-                                *expected,
-                                *actual,
-                                arguments,
-                                depth + 1,
-                            )
-                        })
-                        && bind_expected_type_to_actual(
-                            dag,
-                            *output,
-                            *actual_output,
-                            arguments,
-                            depth + 1,
-                        )
-                }
-                _ => false,
-            }
-        }
-        TypeConnective::Cardinality(expected_payload) => {
-            let element = expected_payload.element();
-            let bound = expected_payload.bound();
-            let actual_decl = dag.declaration(actual_id);
-            match &actual_decl.connective {
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    bind_expected_type_to_actual(dag, expected_id, *next, arguments, depth + 1)
-                }
-                TypeConnective::Cardinality(actual_payload) if bound == actual_payload.bound() => {
-                    bind_expected_type_to_actual(
-                        dag,
-                        element,
-                        actual_payload.element(),
-                        arguments,
-                        depth + 1,
-                    )
-                }
-                _ => false,
-            }
-        }
-        _ => {
-            let actual_decl = dag.declaration(actual_id);
-            match &actual_decl.connective {
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    bind_expected_type_to_actual(dag, expected_id, *next, arguments, depth + 1)
-                }
-                _ => expected_id == actual_id,
-            }
-        }
-    }
-}
-
-fn specialize_decl_for_lowering(
-    dag: &mut Dag,
-    current: DeclarationId,
-    arguments: &[TemplateArgument],
-    depth: usize,
-) -> DeclarationId {
-    if arguments.is_empty() {
-        return current;
-    }
-    if depth >= 32 {
-        return current;
-    }
-    let decl = dag.declaration(current).clone();
-    // Stage 3b correction generation must see refinement-bearing
-    // declarations as refinement-bearing expectations, not their base
-    // carrier. Lowering does not have a substituted-refined
-    // materialization path here, so preserve the declared edge and let
-    // downstream consumers fail closed instead of specializing through
-    // to a base witness like `Int`.
-    if decl.refinement.is_some() {
-        return current;
-    }
-    match decl.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(_)) => arguments
-            .iter()
-            .find(|arg| arg.parameter == current)
-            .map(|arg| arg.value)
-            .unwrap_or(current),
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            specialize_decl_for_lowering(dag, next, arguments, depth + 1)
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments: inner_arguments,
-        } => {
-            let specialized_arguments: Vec<TemplateArgument> = inner_arguments
-                .iter()
-                .map(|arg| TemplateArgument {
-                    parameter: arg.parameter,
-                    value: specialize_decl_for_lowering(dag, arg.value, arguments, depth + 1),
-                })
-                .collect();
-            if specialized_arguments.len() == inner_arguments.len()
-                && specialized_arguments
-                    .iter()
-                    .zip(inner_arguments.iter())
-                    .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value)
-            {
-                return current;
-            }
-            if let Some(existing) =
-                find_equivalent_decl_instantiation_lower(dag, template, &specialized_arguments)
-            {
-                return existing;
-            }
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template,
-                    arguments: specialized_arguments,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: decl.span,
-            });
-            id
-        }
-        TypeConnective::Arrow {
-            inputs,
-            output,
-            body,
-        } => {
-            let specialized_inputs: Vec<DeclarationId> = inputs
-                .iter()
-                .map(|input| specialize_decl_for_lowering(dag, *input, arguments, depth + 1))
-                .collect();
-            let specialized_output =
-                specialize_decl_for_lowering(dag, output, arguments, depth + 1);
-            if specialized_inputs == inputs && specialized_output == output {
-                return current;
-            }
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: None,
-                connective: TypeConnective::Arrow {
-                    inputs: specialized_inputs,
-                    output: specialized_output,
-                    body,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: decl.span,
-            });
-            id
-        }
-        TypeConnective::Conj { children } => {
-            let specialized_children: Vec<Field> = children
-                .iter()
-                .map(|child| Field {
-                    label: child.label.clone(),
-                    ty: specialize_decl_for_lowering(dag, child.ty, arguments, depth + 1),
-                })
-                .collect();
-            if specialized_children.len() == children.len()
-                && specialized_children
-                    .iter()
-                    .zip(children.iter())
-                    .all(|(lhs, rhs)| lhs.label == rhs.label && lhs.ty == rhs.ty)
-            {
-                return current;
-            }
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                // Specialized products stay `name: None`: reusing the template name
-                // would admit two `DeclarationId`s with the same Rust type label if
-                // both were ever emitted outside filtered surfaces.
-                // No `specialization_parent` here: unlike specialized anonymous `Disj`,
-                // emit has no consumer that must recover a template `Conj` label today;
-                // set the edge when a real downstream needs it (E-6 / same-PR consumer).
-                name: None,
-                connective: TypeConnective::Conj {
-                    children: specialized_children,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: decl.span,
-            });
-            id
-        }
-        TypeConnective::Disj { variants } => {
-            let specialized_variants: Vec<Field> = variants
-                .iter()
-                .map(|variant| Field {
-                    label: variant.label.clone(),
-                    ty: specialize_decl_for_lowering(dag, variant.ty, arguments, depth + 1),
-                })
-                .collect();
-            if specialized_variants.len() == variants.len()
-                && specialized_variants
-                    .iter()
-                    .zip(variants.iter())
-                    .all(|(lhs, rhs)| lhs.label == rhs.label && lhs.ty == rhs.ty)
-            {
-                return current;
-            }
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                // P2: `Declaration::name` is the only surface-visible authority for
-                // `Dag::declaration_by_name` — never clone the template name onto a
-                // fresh `Disj` id (that admits a second winner in name-based lookup).
-                // Emit qualifies Rust match patterns via `Declaration::specialization_parent`
-                // (`rust_target::named_disj_enum_name_for_rust_match_emit`).
-                name: None,
-                connective: TypeConnective::Disj {
-                    variants: specialized_variants,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: Some(current),
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: decl.span,
-            });
-            id
-        }
-        TypeConnective::Cardinality(_)
-        | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_)) => current,
-    }
-}
-
-fn unresolved_port(dag: &mut Dag, diagnostic: Diagnostic) -> PortId {
-    let port = dag.alloc_port(None);
-    dag.mark_unresolved(port, diagnostic);
-    port
-}
-
-fn lower_field_path_expr(
-    segments: &[String],
-    segment_spans: &[SourceSpan],
-    span: &SourceSpan,
-    dag: &mut Dag,
-    scope: &HashMap<String, PortId>,
-    symbols: &HashMap<String, DeclarationId>,
-) -> PortId {
-    let Some((head, rest)) = segments.split_first() else {
-        return unresolved_port(
-            dag,
-            Diagnostic::ResolveError {
-                name: "empty dotted path expression".to_string(),
-                span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-    };
-    // Path A: head is in local variable scope (fn params, let bindings,
-    // match-arm pattern bindings). Existing type-driven walk.
-    if let Some(&port) = scope.get(head) {
-        let mut current_port = port;
-        for (index, field_label) in rest.iter().enumerate() {
-            let node_id = dag.alloc_node_id();
-            let output = dag.alloc_port(Some(node_id));
-            let static_resolution = resolve_static_field_project(dag, current_port, field_label);
-            let field_span = segment_spans
-                .get(index + 1)
-                .cloned()
-                .unwrap_or_else(|| span.clone());
-            dag.push_node(Behavior::Transform(TransformNode {
-                id: node_id,
-                target: static_resolution.map_or_else(
-                    || TransformTarget::UnresolvedFieldProject {
-                        field_label: field_label.clone(),
-                    },
-                    |(_, _)| TransformTarget::ResolvedFieldProject {
-                        field_label: field_label.clone(),
-                    },
-                ),
-                inputs: vec![current_port],
-                output,
-                span: field_span,
-            }));
-            if let Some((_, ty)) = static_resolution {
-                dag.set_port_type(output, ty);
-            }
-            current_port = output;
-        }
-        return current_port;
-    }
-    // Path B: DB-10 (3a.2) — head resolves to a `data` declaration
-    // with a structural value_body. Walk the compile-time value
-    // literal rather than performing a runtime FieldProject walk.
-    // `cfg.host` where cfg: Config = { host: 1, port: 8080 } becomes
-    // a Value(Int(1)) node directly.
-    if let Some(&decl_id) = symbols.get(head) {
-        let value_body_opt = dag.declaration(decl_id).value_body.clone();
-        if let Some(value_body) = value_body_opt {
-            if let Some(port) = resolve_data_path(dag, &value_body, rest, span) {
-                return port;
-            }
-            return unresolved_port(
-                dag,
-                data_field_path_diagnostic(dag, decl_id, &value_body, rest, span),
-            );
-        }
-    }
-    unresolved_port(
-        dag,
-        Diagnostic::ResolveError {
-            name: format!(
-                "dotted path `{}` is not a local field access; expression-position dotted paths currently require a local-variable head or a `data` declaration with a compile-time value",
-                segments.join("."),
-            ),
-            span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-        },
-    )
-}
-
-fn data_declared_type_display_name(dag: &Dag, decl_id: DeclarationId) -> String {
-    dag.declaration(decl_id)
-        .meta_tag
-        .map(|ty| declaration_display_name(dag, ty))
-        .unwrap_or_else(|| declaration_display_name(dag, decl_id))
-}
-
-fn data_field_path_diagnostic(
-    dag: &Dag,
-    decl_id: DeclarationId,
-    value_body: &crate::dag::ValueBody,
-    segments: &[String],
-    span: &SourceSpan,
-) -> Diagnostic {
-    let type_name = data_declared_type_display_name(dag, decl_id);
-    let field = segments.first().map_or("<empty>", String::as_str);
-    let name = match value_body {
-        crate::dag::ValueBody::Scalar(_) => format!("{type_name} has no field {field}"),
-        crate::dag::ValueBody::Structural { .. } => {
-            format!(
-                "{type_name} has no compile-time scalar field path `{}`",
-                segments.join(".")
-            )
-        }
-        crate::dag::ValueBody::Unparsed(_) => {
-            format!("{type_name} data value body is not lowered to a compile-time field value")
-        }
-        crate::dag::ValueBody::List(_) | crate::dag::ValueBody::Map(_) => {
-            format!(
-                "{type_name} data value does not support dotted field path `{}`",
-                segments.join(".")
-            )
-        }
-    };
-    Diagnostic::ResolveError {
-        name,
-        span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "LoweringDiagnostic",
-        ),
-    }
-}
-
-/// DB-10 (3a.2): walk a sequence of field segments through a data
-/// declaration's `ValueBody`, emitting a `Value` node at the terminal
-/// scalar literal. Returns `None` if the path cannot be fully
-/// resolved — caller falls back to an unresolved diagnostic.
-///
-/// Only scalar literals terminate the walk; nested `Record` payloads
-/// admit further descent but `List`, `Map`, and `Variant` terminal
-/// reads are out of scope for 3a.2 and fall through to `None`.
-/// Prereq-X1.a: walk a sequence of structural-body field segments
-/// to a `FieldValue::Reference(decl_id)` leaf. Returns `None` if the
-/// path traverses a non-structural value body, the leaf field is
-/// missing, the leaf is a non-Reference value, or the segments are
-/// empty.
-fn resolve_field_value_reference(
-    value_body: &crate::dag::ValueBody,
-    segments: &[String],
-) -> Option<DeclarationId> {
-    let crate::dag::ValueBody::Structural { fields } = value_body else {
-        return None;
-    };
-    walk_structural_to_reference(fields, segments)
-}
-
-/// Prereq-X1.a: resolve a `PathCall.segments` slice to a leaf
-/// top-level function `DeclarationId`. Single resolution authority
-/// shared by `is_recursive`, `descent_provable`, the
-/// `ClusterDescentChecker` arm, `collect_recursive_callees`, and the
-/// `lower_expr` X1.a arm — so all five agree by construction.
-///
-/// Returns `None` when the head is not a top-level symbol, the head
-/// declaration has no compile-time value body, the path leaf is not a
-/// `FieldValue::Reference`, or the segments traverse a non-structural
-/// value body. Non-callable leaves are accepted at this layer; the
-/// lowerer enforces the Arrow check separately.
-fn resolve_path_to_function_decl(
-    segments: &[String],
-    dag: &Dag,
-    symbols: &HashMap<String, DeclarationId>,
-) -> Option<DeclarationId> {
-    let head = segments.first()?;
-    // Look up the head in the caller-supplied `symbols` map first
-    // (lowerer / is_recursive / descent_provable have the full
-    // top-level symbol table), then fall back to
-    // `Dag::declaration_by_name` so callers with narrower maps
-    // (e.g. `compute_mutually_recursive`'s `function_symbols`-only
-    // map) can still resolve `data`-binding heads.
-    let head_decl = match symbols.get(head).copied() {
-        Some(id) => id,
-        None => dag.declaration_by_name(head)?.id,
-    };
-    let value_body = dag.declaration(head_decl).value_body.as_ref()?;
-    resolve_field_value_reference(value_body, &segments[1..])
-}
-
-fn walk_structural_to_reference(
-    fields: &[(String, crate::dag::FieldValue)],
-    segments: &[String],
-) -> Option<DeclarationId> {
-    let (head, rest) = segments.split_first()?;
-    let field_value = fields
-        .iter()
-        .find(|(label, _)| label == head)
-        .map(|(_, v)| v)?;
-    if rest.is_empty() {
-        return match field_value {
-            crate::dag::FieldValue::Reference(id) => Some(*id),
-            _ => None,
-        };
-    }
-    match field_value {
-        crate::dag::FieldValue::Record(inner) => walk_structural_to_reference(inner, rest),
-        _ => None,
-    }
-}
-
-fn resolve_data_path(
-    dag: &mut Dag,
-    value_body: &crate::dag::ValueBody,
-    segments: &[String],
-    span: &SourceSpan,
-) -> Option<PortId> {
-    match value_body {
-        crate::dag::ValueBody::Unparsed(_) => None,
-        crate::dag::ValueBody::Scalar(bits) => {
-            if !segments.is_empty() {
-                return None;
-            }
-            Some(emit_literal_as_value_port(dag, bits.clone(), span))
-        }
-        crate::dag::ValueBody::Structural { fields } => {
-            resolve_structural_field_path(dag, fields, segments, span)
-        }
-        crate::dag::ValueBody::List(_) => None,
-        crate::dag::ValueBody::Map(_) => None,
-    }
-}
-
-fn resolve_structural_field_path(
-    dag: &mut Dag,
-    fields: &[(String, crate::dag::FieldValue)],
-    segments: &[String],
-    span: &SourceSpan,
-) -> Option<PortId> {
-    let (head, rest) = segments.split_first()?;
-    let field_value = fields
-        .iter()
-        .find(|(label, _)| label == head)
-        .map(|(_, v)| v.clone())?;
-    if rest.is_empty() {
-        return emit_field_value_as_port(dag, &field_value, span);
-    }
-    match &field_value {
-        crate::dag::FieldValue::Record(inner) => {
-            resolve_structural_field_path(dag, inner, rest, span)
-        }
-        _ => None,
-    }
-}
-
-fn emit_field_value_as_port(
-    dag: &mut Dag,
-    fv: &crate::dag::FieldValue,
-    span: &SourceSpan,
-) -> Option<PortId> {
-    match fv {
-        crate::dag::FieldValue::Literal(bits) => {
-            Some(emit_literal_as_value_port(dag, bits.clone(), span))
-        }
-        // Reference / Record / List / Variant terminal reads require
-        // more emission machinery than DB-10 covers (acceptance is
-        // scalar-at-leaf). Leave unresolved; call site falls back to
-        // an unresolved diagnostic.
-        _ => None,
-    }
-}
-
-/// DB-10 (3a.2): emit a scalar literal from its `LiteralBits`
-/// directly as a `Behavior::Value` node. Shared by
-/// `ValueBody::Scalar` inlining and `FieldValue::Literal` terminal
-/// reads.
-fn emit_literal_as_value_port(dag: &mut Dag, bits: LiteralBits, span: &SourceSpan) -> PortId {
-    let node_id = dag.alloc_node_id();
-    let output = dag.alloc_port(Some(node_id));
-    dag.push_node(Behavior::Value(ValueNode {
-        id: node_id,
-        data: bits,
-        output,
-        span: span.clone(),
-        lane2_workflow: None,
-    }));
-    output
-}
-
-fn lower_payload_binding(dag: &mut Dag, binding_name: &str) -> PayloadBinding {
-    let payload_port = dag.alloc_port(None);
-    PayloadBinding {
-        binding_name: binding_name.to_string(),
-        payload_port,
-    }
-}
-
-fn lower_field_projection_from_port(
-    dag: &mut Dag,
-    input_port: PortId,
-    field_label: &str,
-    span: &SourceSpan,
-) -> PortId {
-    let node_id = dag.alloc_node_id();
-    let output = dag.alloc_port(Some(node_id));
-    let static_resolution = resolve_static_field_project(dag, input_port, field_label);
-    dag.push_node(Behavior::Transform(TransformNode {
-        id: node_id,
-        target: static_resolution.map_or_else(
-            || TransformTarget::UnresolvedFieldProject {
-                field_label: field_label.to_string(),
-            },
-            |(_, _)| TransformTarget::ResolvedFieldProject {
-                field_label: field_label.to_string(),
-            },
-        ),
-        inputs: vec![input_port],
-        output,
-        span: span.clone(),
-    }));
-    if let Some((_, ty)) = static_resolution {
-        dag.set_port_type(output, ty);
-    }
-    output
-}
-
-/// Pushes template argument frames from any outer `Instantiation` chain (outer → inner template)
-/// so payload fields that use type parameters from the instantiated outer type resolve correctly.
-fn push_lower_subst_instantiation_prefix(
-    dag: &Dag,
-    mut ty: DeclarationId,
-    subst: &mut LowerSubstStack,
-) {
-    for _ in 0..32 {
-        match &dag.declaration(ty).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                subst.push(arguments.clone());
-                ty = *template;
-            }
-            _ => break,
-        }
-    }
-}
-
-fn variant_payload_fields_for_lowering(
-    dag: &Dag,
-    variant_decl: DeclarationId,
-    outer_instantiated_type: Option<DeclarationId>,
-) -> Option<Vec<(String, DeclarationId)>> {
-    let mut subst = LowerSubstStack::default();
-    if let Some(outer) = outer_instantiated_type {
-        push_lower_subst_instantiation_prefix(dag, outer, &mut subst);
-    }
-    let conj_id = walk_to_conj_decl_with_subst_lower(dag, variant_decl, &mut subst)?;
-    let TypeConnective::Conj { children } = &dag.declaration(conj_id).connective else {
-        return None;
-    };
-    Some(
-        children
-            .iter()
-            .map(|child| {
-                let specialized =
-                    resolve_decl_with_subst_lower(dag, child.ty, &subst, 0).unwrap_or(child.ty);
-                (child.label.clone(), specialized)
-            })
-            .collect(),
-    )
-}
-
-/// E6-G0d: whether `variant_template` is listed as a variant arm on some
-/// substrate `TypeConnective::Disj` (membership authority for constructor
-/// execution, distinct from “walks to Conj”).
-pub(crate) fn declaration_is_disj_variant_arm(dag: &Dag, variant_template: DeclarationId) -> bool {
-    dag.declarations().iter().any(|decl| {
-        matches!(
-            &decl.connective,
-            TypeConnective::Disj { variants }
-                if variants.iter().any(|v| v.ty == variant_template)
-        )
-    })
-}
-
-/// E6-G0d: record constructor field **labels** in declaration order after the
-/// same `Instantiation` / `TypeParam` walk as `walk_to_conj_decl_with_subst_lower`.
-pub(crate) fn constructor_record_field_labels(
-    dag: &Dag,
-    record_target: DeclarationId,
-) -> Option<Vec<String>> {
-    let mut subst = LowerSubstStack::default();
-    let conj_id = walk_to_conj_decl_with_subst_lower(dag, record_target, &mut subst)?;
-    let TypeConnective::Conj { children } = &dag.declaration(conj_id).connective else {
-        return None;
-    };
-    Some(children.iter().map(|c| c.label.clone()).collect())
-}
-
-/// E6-G0d: variant constructor payload fields for runtime `RecordValue` assembly.
-///
-/// Reuses [`variant_payload_fields_for_lowering`]. When the lowerer would have
-/// threaded an outer expected type (generic sums) but the transform IR carries
-/// only the callee, fall back to trying each declaration as an outer prefix
-/// until the existing substrate walk succeeds — still a single authority
-/// (`variant_payload_fields_for_lowering`), not a parallel registry.
-///
-/// **Dissolution trigger:** delete this scan when `TransformTarget::Callable` (or
-/// adjacent transform metadata) threads the same outer expected-type
-/// `DeclarationId` the lowerer used at the constructor site, so the second
-/// argument to [`variant_payload_fields_for_lowering`] is authoritative without
-/// enumeration.
-///
-/// In `debug_assertions` builds, every successful prefix is checked to agree with
-/// the returned resolution so silent ambiguity cannot hide inconsistent payload
-/// shapes during development.
-pub(crate) fn eval_constructor_variant_payload_fields(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-) -> Option<Vec<(String, DeclarationId)>> {
-    let fields = if let Some(fields) = variant_payload_fields_for_lowering(dag, callee_decl, None) {
-        fields
-    } else {
-        let mut found = None;
-        for decl in dag.declarations() {
-            if let Some(fields) =
-                variant_payload_fields_for_lowering(dag, callee_decl, Some(decl.id))
-            {
-                found = Some(fields);
-                break;
-            }
-        }
-        found?
-    };
-    #[cfg(debug_assertions)]
-    debug_assert_variant_payload_prefix_scan_is_unambiguous(dag, callee_decl, &fields);
-    Some(fields)
-}
-
-#[cfg(debug_assertions)]
-fn debug_assert_variant_payload_prefix_scan_is_unambiguous(
-    dag: &Dag,
-    callee_decl: DeclarationId,
-    chosen: &[(String, DeclarationId)],
-) {
-    if let Some(fields) = variant_payload_fields_for_lowering(dag, callee_decl, None) {
-        debug_assert_eq!(
-            fields, chosen,
-            "eval_constructor_variant_payload_fields: None-outer payload disagrees with chosen resolution"
-        );
-    }
-    for decl in dag.declarations() {
-        if let Some(fields) = variant_payload_fields_for_lowering(dag, callee_decl, Some(decl.id)) {
-            debug_assert_eq!(
-                fields, chosen,
-                "eval_constructor_variant_payload_fields: prefix-scan payload disagrees with chosen resolution"
-            );
-        }
-    }
-}
-
-fn variant_payload_fields_for_lowering_with_subst(
-    dag: &Dag,
-    variant_decl: DeclarationId,
-    outer_subst: &LowerSubstStack,
-) -> Option<Vec<(String, DeclarationId)>> {
-    let mut subst = outer_subst.clone();
-    let conj_id = walk_to_conj_decl_with_subst_lower(dag, variant_decl, &mut subst)?;
-    let TypeConnective::Conj { children } = &dag.declaration(conj_id).connective else {
-        return None;
-    };
-    Some(
-        children
-            .iter()
-            .map(|child| {
-                let specialized =
-                    resolve_decl_with_subst_lower(dag, child.ty, &subst, 0).unwrap_or(child.ty);
-                (child.label.clone(), specialized)
-            })
-            .collect(),
-    )
-}
-
-fn synthetic_pattern_payload_binding_name(
-    fields: &[SurfacePatternField],
-    span: &SourceSpan,
-) -> String {
-    if fields.len() == 1 {
-        return fields[0].binding.clone();
-    }
-    format!("__payload_{}_{}", span.byte_start, span.byte_end)
-}
-
-struct LoweredMatchArm {
-    output: PortId,
-    body_node: Option<NodeId>,
-    pattern_name: String,
-    pattern_span: SourceSpan,
-    binding: Option<PayloadBinding>,
-}
-
-fn duplicate_payload_pattern_binding_diagnostic(
-    variant_name: &str,
-    binding_name: &str,
-    span: &SourceSpan,
-) -> Diagnostic {
-    Diagnostic::ResolveError {
-        name: format!(
-            "named payload pattern `{variant_name}` binds `{binding_name}` more than once"
-        ),
-        span: span.clone(),
-        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-            "LoweringDiagnostic",
-        ),
-    }
-}
-
-struct VariantRecordExprRef<'a> {
-    target: &'a str,
-    fields: &'a [crate::parse::SurfaceRecordField],
-    span: &'a SourceSpan,
-}
-
-/// Shared static-callable invocation lowerer, parametric over the
-/// resolved callee `DeclarationId`. Both the `Call` arm and the X1.a
-/// `PathCall` arm of `lower_expr` dispatch through this helper so the
-/// resolved-decl identity flows forward without name re-resolution.
-///
-/// `callable_diagnostic_name` is the human-readable label used in
-/// callable-binding-conflict diagnostics (the bare target name for
-/// `Call`; the dotted path for `PathCall`). It is purely diagnostic —
-/// the substrate authority is always `base_target_decl`.
-#[allow(clippy::too_many_arguments)]
-fn lower_resolved_callable_invocation(
-    base_target_decl: DeclarationId,
-    callable_diagnostic_name: &str,
-    args: &[SurfaceExpr],
-    span: &SourceSpan,
-    dag: &mut Dag,
-    scope: &HashMap<String, PortId>,
-    callable_scope: &CallableScope,
-    symbols: &HashMap<String, DeclarationId>,
-    expected_decl: Option<DeclarationId>,
-) -> PortId {
-    if let Some(port) = try_lower_config_patch_layer_invocation(
-        base_target_decl,
-        args,
-        span,
-        dag,
-        scope,
-        callable_scope,
-        symbols,
-        expected_decl,
-    ) {
-        return port;
-    }
-    let target_inputs = direct_invocation_input_decls(dag, base_target_decl, 0);
-    let mut input_ports: Vec<PortId> = Vec::new();
-    let mut template_arguments: Vec<TemplateArgument> = Vec::new();
-    if let (Some(expected_result), Some(target_output)) = (
-        expected_decl,
-        declaration_callable_output(dag, base_target_decl, 0),
-    ) {
-        let _ = bind_expected_type_to_actual(
-            dag,
-            target_output,
-            expected_result,
-            &mut template_arguments,
-            0,
-        );
-    }
-    for (idx, arg) in args.iter().enumerate() {
-        let raw_expected_input = target_inputs
-            .as_ref()
-            .and_then(|inputs| inputs.get(idx))
-            .copied();
-        let specialized_expected_input = raw_expected_input.map(|expected_decl| {
-            specialize_decl_for_lowering(dag, expected_decl, &template_arguments, 0)
-        });
-        if let Some(expected_decl) = raw_expected_input {
-            if declaration_is_callable(dag, expected_decl, 0) {
-                let specialized_expected = specialized_expected_input.unwrap_or(expected_decl);
-                let actual_callable = match arg {
-                    SurfaceExpr::Lambda { params, body, span } => {
-                        let mut lambda_ctx = LambdaLoweringContext {
-                            dag,
-                            scope,
-                            callable_scope,
-                            symbols,
-                        };
-                        match lower_lambda_expr(
-                            params,
-                            body,
-                            span,
-                            specialized_expected,
-                            &mut lambda_ctx,
-                        ) {
-                            Ok(lambda_decl_id) => lambda_decl_id,
-                            Err(diag) => {
-                                report_declaration_error(lambda_ctx.dag, diag);
-                                alloc_identifier_stub(lambda_ctx.dag, "__lambda__", span)
-                            }
-                        }
-                    }
-                    _ => resolve_callable_reference(arg, dag, callable_scope, symbols),
-                };
-                let matches_expected = push_template_argument_binding(
-                    &mut template_arguments,
-                    expected_decl,
-                    actual_callable,
-                ) && bind_expected_type_to_actual(
-                    dag,
-                    specialized_expected,
-                    actual_callable,
-                    &mut template_arguments,
-                    0,
-                );
-                if !matches_expected {
-                    let port = dag.alloc_port(None);
-                    dag.mark_unresolved(
-                        port,
-                        callable_binding_conflict_diagnostic(
-                            callable_diagnostic_name,
-                            idx,
-                            surface_expr_span(arg),
-                        ),
-                    );
-                    return port;
-                }
-                continue;
-            }
-        }
-        let lowered = lower_expr(
-            arg,
-            dag,
-            scope,
-            callable_scope,
-            symbols,
-            specialized_expected_input,
-        );
-        if let Some(expected_decl) = raw_expected_input {
-            if let crate::dag::PortState::Resolved(actual_ty) = dag.port(lowered).state() {
-                let _ = bind_expected_type_to_actual(
-                    dag,
-                    expected_decl,
-                    actual_ty.declaration,
-                    &mut template_arguments,
-                    0,
-                );
-            }
-        }
-        input_ports.push(lowered);
-    }
-    let retained_arguments =
-        retained_template_arguments_for_target(dag, base_target_decl, &template_arguments);
-    let target_decl = materialize_callable_target_with_retained_arguments(
-        dag,
-        base_target_decl,
-        retained_arguments,
-        span,
-    );
-    let node_id = dag.alloc_node_id();
-    let output = dag.alloc_port(Some(node_id));
-    dag.push_node(Behavior::Transform(TransformNode {
-        id: node_id,
-        target: TransformTarget::Callable(target_decl),
-        inputs: input_ports,
-        output,
-        span: span.clone(),
-    }));
-    output
-}
-
-fn lower_expr(
-    expr: &SurfaceExpr,
-    dag: &mut Dag,
-    scope: &HashMap<String, PortId>,
-    callable_scope: &CallableScope,
-    symbols: &HashMap<String, DeclarationId>,
-    expected_decl: Option<DeclarationId>,
-) -> PortId {
-    match expr {
-        SurfaceExpr::Literal { value, span } => {
-            let node_id = dag.alloc_node_id();
-            let output = dag.alloc_port(Some(node_id));
-            let data = match value {
-                SurfaceLiteral::Int(v) => LiteralBits::Int(v.clone()),
-                SurfaceLiteral::Bool(v) => LiteralBits::Bool(*v),
-                SurfaceLiteral::String(v) => LiteralBits::String(v.clone()),
-                SurfaceLiteral::Symbol(v) => LiteralBits::Symbol(v.clone()),
-            };
-            dag.push_node(Behavior::Value(ValueNode {
-                id: node_id,
-                data,
-                output,
-                span: span.clone(),
-                lane2_workflow: None,
-            }));
-            output
-        }
-        SurfaceExpr::Var { name, span } => match scope.get(name) {
-            Some(port) => *port,
-            None => {
-                if let Some(target) = resolve_expected_variant_constructor(dag, expected_decl, name)
-                {
-                    return lower_constructor_invocation(dag, target, Vec::new(), span.clone());
-                }
-                // DB-10 (3a.2): if `name` resolves to a `data` decl
-                // with a scalar value_body, inline the value at this
-                // use site as a Value(LiteralBits) node. Emission then
-                // renders the target-native literal without extra
-                // wiring. Record-valued data references are currently
-                // unsupported — those sites fall through to the
-                // existing unresolved diagnostic (acceptance test
-                // `test_3a2_data_referenced_in_fn_body_compiles`
-                // uses scalar only).
-                if let Some(decl_id) = symbols.get(name) {
-                    if let Some(crate::dag::ValueBody::Scalar(bits)) =
-                        &dag.declaration(*decl_id).value_body
-                    {
-                        let bits = bits.clone();
-                        return emit_literal_as_value_port(dag, bits, span);
-                    }
-                }
-                let port = dag.alloc_port(None);
-                let correction = expected_decl
-                    .and_then(|decl| {
-                        witness_correction_for_decl(
-                            dag,
-                            decl,
-                            span.clone(),
-                            format!(
-                                "replace unresolved name `{name}` with a `{}` value",
-                                declaration_display_name(dag, decl)
-                            ),
-                        )
-                    })
-                    .unwrap_or_else(|| {
-                        crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "LoweringDiagnostic",
-                        )
-                    });
-                dag.mark_unresolved(
-                    port,
-                    Diagnostic::ResolveError {
-                        name: name.clone(),
-                        span: span.clone(),
-                        correction,
-                    },
-                );
-                port
-            }
-        },
-        SurfaceExpr::Call { target, args, span } => {
-            let Some(base_target_decl) =
-                resolve_expected_variant_constructor(dag, expected_decl, target)
-                    .or_else(|| callable_scope.get(target).copied())
-                    .or_else(|| symbols.get(target).copied())
-            else {
-                // (unresolved branch — kept inline to preserve diagnostic shape;
-                // resolved branch delegates to `lower_resolved_callable_invocation`)
-                for arg in args {
-                    let _ = lower_expr(arg, dag, scope, callable_scope, symbols, None);
-                }
-                let port = dag.alloc_port(None);
-                let correction = expected_decl
-                    .and_then(|decl| {
-                        witness_correction_for_decl(
-                            dag,
-                            decl,
-                            span.clone(),
-                            format!(
-                                "replace unresolved call `{target}` with a `{}` value",
-                                declaration_display_name(dag, decl)
-                            ),
-                        )
-                    })
-                    .unwrap_or_else(|| {
-                        crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "LoweringDiagnostic",
-                        )
-                    });
-                let diagnostic_name = match expected_decl {
-                    Some(exp) if walk_to_disj_decl(dag, exp).is_some() => format!(
-                        "named constructor `{target}` is not a variant of the expected sum type `{}`",
-                        declaration_display_name(dag, exp)
-                    ),
-                    _ => target.clone(),
-                };
-                dag.mark_unresolved(
-                    port,
-                    Diagnostic::ResolveError {
-                        name: diagnostic_name,
-                        span: span.clone(),
-                        correction,
-                    },
-                );
-                return port;
-            };
-            lower_resolved_callable_invocation(
-                base_target_decl,
-                target,
-                args,
-                span,
-                dag,
-                scope,
-                callable_scope,
-                symbols,
-                expected_decl,
-            )
-        }
-        SurfaceExpr::VariantRecord {
-            target,
-            fields,
-            span,
-        } => lower_variant_record_expr(
-            VariantRecordExprRef {
-                target,
-                fields,
-                span,
-            },
-            dag,
-            scope,
-            callable_scope,
-            symbols,
-            expected_decl,
-        ),
-        SurfaceExpr::Operator { op, args, span } => {
-            let input_ports: Vec<PortId> = args
-                .iter()
-                .map(|a| lower_expr(a, dag, scope, callable_scope, symbols, None))
-                .collect();
-            let node_id = dag.alloc_node_id();
-            let output = dag.alloc_port(Some(node_id));
-            dag.push_node(Behavior::Transform(TransformNode {
-                id: node_id,
-                target: TransformTarget::Operator(*op),
-                inputs: input_ports,
-                output,
-                span: span.clone(),
-            }));
-            output
-        }
-        SurfaceExpr::Lambda { span, .. } => {
-            let port = dag.alloc_port(None);
-            dag.mark_unresolved(
-                port,
-                Diagnostic::ResolveError {
-                    name: "lambda expression requires an expected function type at this position"
-                        .to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-            port
-        }
-        SurfaceExpr::If {
-            cond,
-            then_branch,
-            else_branch,
-            span,
-        } => {
-            let cond_port = lower_expr(cond, dag, scope, callable_scope, symbols, None);
-            // DB-11 (3a.3) arm-local refinement narrowing. If `cond` is
-            // a predicate applied to a scope-bound Var (e.g. `d != 0`
-            // where `d` is a parameter), allocate a narrowed port in
-            // the then-arm whose type carries a refinement matching
-            // the predicate. Call-site refinement discharge in
-            // `decide_transform` then sees the refinement on the
-            // narrowed port and accepts calls that would otherwise
-            // fail. No narrowing on the else-arm — by convention the
-            // else-arm's refinement would be the negation, and DB-11
-            // does not model negated predicates (structural equality
-            // only).
-            let then_scope_owned = narrow_scope_for_predicate(cond, scope, symbols, dag);
-            let then_scope_ref = then_scope_owned.as_ref().unwrap_or(scope);
-            let then_port = lower_expr(
-                then_branch,
-                dag,
-                then_scope_ref,
-                callable_scope,
-                symbols,
-                expected_decl,
-            );
-            let else_port = lower_expr(
-                else_branch,
-                dag,
-                scope,
-                callable_scope,
-                symbols,
-                expected_decl,
-            );
-            let branch_id = dag.alloc_node_id();
-            let branch_output = dag.alloc_port(Some(branch_id));
-            let then_body = producer_of(dag, then_port).unwrap_or(branch_id);
-            let else_body = producer_of(dag, else_port).unwrap_or(branch_id);
-            // if-then-else is a match on Bool with two arms. Emit
-            // explicit pattern labels so the discriminator lives
-            // structurally on Path, not by positional convention.
-            // Infer resolves each "True"/"False" against Bool's
-            // Disj children.
-            dag.push_node(Behavior::Branch(BranchNode {
-                id: branch_id,
-                input: cond_port,
-                paths: vec![
-                    Path {
-                        body: then_body,
-                        output: then_port,
-                        pattern: BranchPattern::UnresolvedVariant {
-                            name: "True".to_string(),
-                            span: surface_expr_span(then_branch).clone(),
-                        },
-                        binding: None,
-                    },
-                    Path {
-                        body: else_body,
-                        output: else_port,
-                        pattern: BranchPattern::UnresolvedVariant {
-                            name: "False".to_string(),
-                            span: surface_expr_span(else_branch).clone(),
-                        },
-                        binding: None,
-                    },
-                ],
-                output: branch_output,
-                span: span.clone(),
-                emit_participation: None,
-            }));
-            branch_output
-        }
-        SurfaceExpr::Match {
-            scrutinee,
-            arms,
-            span,
-        } => {
-            // Lower scrutinee and all arm bodies FIRST. `alloc_node_id`
-            // comes after so the Branch's id matches `nodes.len()`
-            // at push time (arm lowering pushes its own nodes). Same
-            // ordering pattern as the `If` arm above.
-            let scrutinee_port = lower_expr(scrutinee, dag, scope, callable_scope, symbols, None);
-            let mut lowered_arms: Vec<LoweredMatchArm> = Vec::with_capacity(arms.len());
-            for arm in arms {
-                let mut arm_scope = scope.clone();
-                let (pattern_name, pattern_span, binding, arm_error) = match &arm.pattern {
-                    SurfacePattern::BareVariant { name, span } => {
-                        (name.clone(), span.clone(), None, None)
-                    }
-                    SurfacePattern::VariantWith {
-                        name,
-                        binding,
-                        span,
-                    } => {
-                        let payload_binding = lower_payload_binding(dag, binding);
-                        arm_scope.insert(
-                            payload_binding.binding_name.clone(),
-                            payload_binding.payload_port,
-                        );
-                        (name.clone(), span.clone(), Some(payload_binding), None)
-                    }
-                    SurfacePattern::VariantFields { name, fields, span } => {
-                        let payload_binding_name =
-                            synthetic_pattern_payload_binding_name(fields, span);
-                        let payload_binding = lower_payload_binding(dag, &payload_binding_name);
-                        // Track names INTRODUCED by THIS pattern only, not the
-                        // full outer scope. `arm_scope` was cloned from the
-                        // enclosing scope at line 5057, so any outer binding
-                        // (`let x = ...; match y { Foo { x } => ... }`) would
-                        // otherwise fire a spurious duplicate-binding
-                        // diagnostic. Pattern-local duplicates
-                        // (`Foo { x: a, y: a }`) are still rejected. Match-arm
-                        // shadowing of outer names then works the same way
-                        // `VariantWith` already does (overwrite on insert).
-                        let mut introduced: std::collections::HashSet<String> =
-                            std::collections::HashSet::new();
-                        let mut duplicate_binding = None;
-                        for field in fields {
-                            if !introduced.insert(field.binding.clone()) {
-                                duplicate_binding =
-                                    Some(duplicate_payload_pattern_binding_diagnostic(
-                                        name,
-                                        &field.binding,
-                                        &field.span,
-                                    ));
-                                break;
-                            }
-                            let projection = lower_field_projection_from_port(
-                                dag,
-                                payload_binding.payload_port,
-                                &field.name,
-                                &field.span,
-                            );
-                            arm_scope.insert(field.binding.clone(), projection);
-                        }
-                        (
-                            name.clone(),
-                            span.clone(),
-                            Some(payload_binding),
-                            duplicate_binding,
-                        )
-                    }
-                };
-                let arm_output_port = match arm_error {
-                    Some(diag) => unresolved_port(dag, diag),
-                    None => lower_expr(
-                        &arm.body,
-                        dag,
-                        &arm_scope,
-                        callable_scope,
-                        symbols,
-                        expected_decl,
-                    ),
-                };
-                let body_node = producer_of(dag, arm_output_port);
-                lowered_arms.push(LoweredMatchArm {
-                    output: arm_output_port,
-                    body_node,
-                    pattern_name,
-                    pattern_span,
-                    binding,
-                });
-            }
-            let branch_id = dag.alloc_node_id();
-            let branch_output = dag.alloc_port(Some(branch_id));
-            let paths: Vec<Path> = lowered_arms
-                .into_iter()
-                .map(|arm| Path {
-                    body: arm.body_node.unwrap_or(branch_id),
-                    output: arm.output,
-                    pattern: BranchPattern::UnresolvedVariant {
-                        name: arm.pattern_name,
-                        span: arm.pattern_span,
-                    },
-                    binding: arm.binding,
-                })
-                .collect();
-            dag.push_node(Behavior::Branch(BranchNode {
-                id: branch_id,
-                input: scrutinee_port,
-                paths,
-                output: branch_output,
-                span: span.clone(),
-                emit_participation: Some(BranchEmitParticipation::UserMatch),
-            }));
-            branch_output
-        }
-        SurfaceExpr::Record { fields, span } => lower_record_literal_expr(
-            fields,
-            span,
-            dag,
-            scope,
-            callable_scope,
-            symbols,
-            expected_decl,
-        ),
-        SurfaceExpr::List { elements, span } => lower_list_literal_expr(
-            elements,
-            span,
-            dag,
-            scope,
-            callable_scope,
-            symbols,
-            expected_decl,
-        ),
-        SurfaceExpr::Path {
-            segments,
-            segment_spans,
-            span,
-        } => lower_field_path_expr(segments, segment_spans, span, dag, scope, symbols),
-        SurfaceExpr::PathCall {
-            segments,
-            segment_spans: _,
-            args,
-            span,
-        } => {
-            // Prereq-X1.a: static call-on-field-access. Resolve the
-            // dotted-path callee through a `data` binding's
-            // structural value body to a top-level function decl, then
-            // dispatch through the existing `Call` lowering by
-            // constructing a synthetic `SurfaceExpr::Call` whose target
-            // is the resolved declaration's name. This reuses arity +
-            // per-argument type validation without duplicating the
-            // Call lowerer.
-            //
-            // Failure modes (each fail-closed with a typed diagnostic):
-            //
-            // - Empty path / non-`data` head / parameter-callee head:
-            //   ResolveError naming the unsupported head and pointing
-            //   at the X1.b prerequisite for parameter callees.
-            // - Missing/non-Reference field at the leaf: ResolveError.
-            // - Resolved declaration without a name: ResolveError.
-            //
-            // Parameter-callee dispatch (X1.b) is intentionally
-            // unsupported here; the diagnostic names the prerequisite.
-            let Some((head, rest)) = segments.split_first() else {
-                return unresolved_port(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: "empty dotted path in call expression".to_string(),
-                        span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "LoweringDiagnostic",
-                        ),
-                    },
-                );
-            };
-            // Parameter-callee head (X1.b): the head is a local-scope
-            // binding rather than a top-level `data` symbol. Surface a
-            // typed diagnostic naming the prerequisite — do not
-            // silently fall through.
-            if scope.contains_key(head) {
-                for arg in args {
-                    let _ = lower_expr(arg, dag, scope, callable_scope, symbols, None);
-                }
-                return unresolved_port(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "call-on-field-access through parameter `{head}` is not yet supported (Prereq-X1.b: requires runtime-callee dispatch substrate); only static `data` binding callees are accepted in this slice"
-                        ),
-                        span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-            }
-            let Some(&head_decl) = symbols.get(head) else {
-                for arg in args {
-                    let _ = lower_expr(arg, dag, scope, callable_scope, symbols, None);
-                }
-                return unresolved_port(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "call-on-field-access head `{head}` is not a top-level `data` declaration; static call-on-field-access (Prereq-X1.a) requires a `data` binding head"
-                        ),
-                        span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-            };
-            let value_body_opt = dag.declaration(head_decl).value_body.clone();
-            let Some(value_body) = value_body_opt else {
-                for arg in args {
-                    let _ = lower_expr(arg, dag, scope, callable_scope, symbols, None);
-                }
-                return unresolved_port(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "call-on-field-access head `{head}` has no compile-time value body; static call-on-field-access requires a `data` binding with a structural value body"
-                        ),
-                        span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-            };
-            let resolved_callee_decl = resolve_field_value_reference(&value_body, rest);
-            let Some(callee_decl_id) = resolved_callee_decl else {
-                for arg in args {
-                    let _ = lower_expr(arg, dag, scope, callable_scope, symbols, None);
-                }
-                return unresolved_port(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "dotted path `{}` does not resolve to a callable function reference (expected `FieldValue::Reference` at leaf); the field may be a non-Arrow value, missing, or the path may traverse a non-structural value body",
-                            segments.join(".")
-                        ),
-                        span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-            };
-            // Verify the resolved leaf is callable (Arrow). A
-            // FieldValue::Reference to a non-callable declaration
-            // (e.g., a typed-but-non-Arrow data binding referenced as
-            // a field) must produce a typed non-callable diagnostic
-            // here rather than relying on the synthetic Call lowerer
-            // to surface something ambiguous downstream.
-            if !declaration_is_callable(dag, callee_decl_id, 0) {
-                for arg in args {
-                    let _ = lower_expr(arg, dag, scope, callable_scope, symbols, None);
-                }
-                return unresolved_port(
-                    dag,
-                    Diagnostic::ResolveError {
-                        name: format!(
-                            "dotted path `{}` resolves to a non-callable declaration; X1.a static call-on-field-access requires the leaf to reference a top-level function (Arrow type)",
-                            segments.join(".")
-                        ),
-                        span: span.clone(),
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                    },
-                );
-            }
-            // Authority preserved: the resolved `callee_decl_id` flows
-            // directly into `lower_resolved_callable_invocation` —
-            // **not** re-resolved by name through the synthetic-Call
-            // detour. The dotted-path display is the diagnostic label
-            // for callable-binding-conflict messages; the substrate
-            // identity is `callee_decl_id`.
-            let diagnostic_label = segments.join(".");
-            lower_resolved_callable_invocation(
-                callee_decl_id,
-                &diagnostic_label,
-                args,
-                span,
-                dag,
-                scope,
-                callable_scope,
-                symbols,
-                expected_decl,
-            )
-        }
-        SurfaceExpr::Map { span, .. } => {
-            // Map literals are not lowerable as expressions in M1(2.8) —
-            // the parser admits them only in top-level data-body
-            // position, where `lower_data_item` handles the variant
-            // directly. A `SurfaceExpr::Map` reaching `lower_expr` means
-            // it appeared in expression position (function body, etc.),
-            // which is out of scope for the parser sub-lane. Fail-closed
-            // expression-level diagnostic via `unresolved_port` (the
-            // expression-position diagnostic-port channel) — not
-            // `report_declaration_error`, which is for declaration-level
-            // failures and would route the diagnostic through the wrong
-            // channel here.
-            unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: "map literals are not yet supported in expression position (top-level data declarations only)".to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-                },
-            )
-        }
-    }
-}
-
-fn lower_constructor_invocation(
-    dag: &mut Dag,
-    target: DeclarationId,
-    inputs: Vec<PortId>,
-    span: SourceSpan,
-) -> PortId {
-    let node_id = dag.alloc_node_id();
-    let output = dag.alloc_port(Some(node_id));
-    dag.push_node(Behavior::Transform(TransformNode {
-        id: node_id,
-        target: TransformTarget::Callable(target),
-        inputs,
-        output,
-        span,
-    }));
-    output
-}
-
-fn materialize_callable_target_with_retained_arguments(
-    dag: &mut Dag,
-    base_target_decl: DeclarationId,
-    retained_arguments: Vec<TemplateArgument>,
-    span: &SourceSpan,
-) -> DeclarationId {
-    let (template, mut arguments) = match &dag.declaration(base_target_decl).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => (*template, arguments.clone()),
-        _ => (base_target_decl, Vec::new()),
-    };
-    for argument in retained_arguments {
-        if let Some(existing) = arguments
-            .iter_mut()
-            .find(|existing| existing.parameter == argument.parameter)
-        {
-            existing.value = argument.value;
-        } else {
-            arguments.push(argument);
-        }
-    }
-    if arguments.is_empty() {
-        return template;
-    }
-    if let TypeConnective::Instantiation {
-        template: existing_template,
-        arguments: existing_arguments,
-    } = &dag.declaration(base_target_decl).connective
-    {
-        if *existing_template == template
-            && template_arguments_exact_match(existing_arguments, &arguments)
-        {
-            return base_target_decl;
-        }
-    }
-
-    let instantiation_id = dag.alloc_declaration_id();
-    dag.push_declaration(Declaration {
-        id: instantiation_id,
-        name: None,
-        connective: TypeConnective::Instantiation {
-            template,
-            arguments,
-        },
-        type_params: Vec::new(),
-        phantom_params: Vec::new(),
-        meta_tag: None,
-        specialization_parent: None,
-        inhabits: None,
-        value_body: None,
-        refinement: None,
-        nominal_opacity: None,
-        span: span.clone(),
-    });
-    instantiation_id
-}
-
-fn template_arguments_exact_match(lhs: &[TemplateArgument], rhs: &[TemplateArgument]) -> bool {
-    lhs.len() == rhs.len()
-        && lhs
-            .iter()
-            .zip(rhs.iter())
-            .all(|(lhs, rhs)| lhs.parameter == rhs.parameter && lhs.value == rhs.value)
-}
-
-fn direct_invocation_input_decls(
-    dag: &Dag,
-    current: DeclarationId,
-    depth: usize,
-) -> Option<Vec<DeclarationId>> {
-    if depth >= 32 {
-        return None;
-    }
-    match &dag.declaration(current).connective {
-        TypeConnective::Arrow { inputs, .. } => Some(inputs.clone()),
-        TypeConnective::Conj { children } => Some(children.iter().map(|child| child.ty).collect()),
-        TypeConnective::Instantiation { template, .. } => {
-            direct_invocation_input_decls(dag, *template, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-            direct_invocation_input_decls(dag, *next, depth + 1)
-        }
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-        | TypeConnective::Atom(AtomPayload::TypeParam(_))
-        | TypeConnective::Atom(AtomPayload::Literal(_))
-        | TypeConnective::Disj { .. }
-        | TypeConnective::Cardinality(_) => None,
-    }
-}
-
-fn lower_record_literal_expr(
-    fields: &[crate::parse::SurfaceRecordField],
-    span: &SourceSpan,
-    dag: &mut Dag,
-    scope: &HashMap<String, PortId>,
-    callable_scope: &CallableScope,
-    symbols: &HashMap<String, DeclarationId>,
-    expected_decl: Option<DeclarationId>,
-) -> PortId {
-    let Some(target_decl) = expected_decl else {
-        return unresolved_port(
-            dag,
-            Diagnostic::ResolveError {
-                name: "record literals require an expected record type at this position"
-                    .to_string(),
-                span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-    };
-    let Some(conj_id) = walk_to_conj_decl(dag, target_decl) else {
-        return unresolved_port(
-            dag,
-            Diagnostic::ResolveError {
-                name: "record literal does not have an expected record type at this position"
-                    .to_string(),
-                span: span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-    };
-    let expected_fields: Vec<(String, DeclarationId)> = match &dag.declaration(conj_id).connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .map(|child| (child.label.clone(), child.ty))
-            .collect(),
-        _ => unreachable!("walk_to_conj_decl returned non-Conj"),
-    };
-    let mut seen_record_fields = HashSet::new();
-    for field in fields {
-        if !seen_record_fields.insert(field.name.clone()) {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!("record literal repeats field `{}`", field.name),
-                    span: field.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        }
-    }
-    for field in fields {
-        if !expected_fields
-            .iter()
-            .any(|(label, _)| *label == field.name)
-        {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "record literal has field `{}` but the expected type has no such field",
-                        field.name
-                    ),
-                    span: field.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        }
-    }
-    let mut inputs = Vec::with_capacity(expected_fields.len());
-    for (label, field_ty) in expected_fields {
-        let Some(field) = fields.iter().find(|field| field.name == label) else {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "record literal is missing required field `{label}` for the expected type"
-                    ),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        };
-        inputs.push(lower_expr(
-            &field.value,
-            dag,
-            scope,
-            callable_scope,
-            symbols,
-            Some(field_ty),
-        ));
-    }
-    lower_constructor_invocation(dag, target_decl, inputs, span.clone())
-}
-
-fn lower_variant_record_expr(
-    expr: VariantRecordExprRef<'_>,
-    dag: &mut Dag,
-    scope: &HashMap<String, PortId>,
-    callable_scope: &CallableScope,
-    symbols: &HashMap<String, DeclarationId>,
-    expected_decl: Option<DeclarationId>,
-) -> PortId {
-    let Some(variant_decl) = resolve_expected_variant_constructor(dag, expected_decl, expr.target)
-    else {
-        return unresolved_port(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "named constructor `{}` requires an expected sum type whose variants include `{}`",
-                    expr.target, expr.target
-                ),
-                span: expr.span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("LoweringDiagnostic"),
-            },
-        );
-    };
-    let Some(expected_fields) =
-        variant_payload_fields_for_lowering(dag, variant_decl, expected_decl)
-    else {
-        return unresolved_port(
-            dag,
-            Diagnostic::ResolveError {
-                name: format!(
-                    "named constructor `{}` does not lower to a record payload shape",
-                    expr.target
-                ),
-                span: expr.span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "LoweringDiagnostic",
-                ),
-            },
-        );
-    };
-    let mut seen_payload_fields = HashSet::new();
-    for field in expr.fields {
-        if !seen_payload_fields.insert(field.name.clone()) {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "named constructor `{}` repeats payload field `{}`",
-                        expr.target, field.name
-                    ),
-                    span: field.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        }
-    }
-    for field in expr.fields {
-        if !expected_fields
-            .iter()
-            .any(|(label, _)| label == &field.name)
-        {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "named constructor `{}` has field `{}` but the payload has no such field",
-                        expr.target, field.name
-                    ),
-                    span: field.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        }
-    }
-    let mut inputs = Vec::with_capacity(expected_fields.len());
-    for (label, field_ty) in expected_fields {
-        let Some(field) = expr.fields.iter().find(|field| field.name == label) else {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: format!(
-                        "named constructor `{}` is missing required payload field `{label}`",
-                        expr.target
-                    ),
-                    span: expr.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        };
-        inputs.push(lower_expr(
-            &field.value,
-            dag,
-            scope,
-            callable_scope,
-            symbols,
-            Some(field_ty),
-        ));
-    }
-    lower_constructor_invocation(dag, variant_decl, inputs, expr.span.clone())
-}
-
-fn lower_list_literal_expr(
-    elements: &[SurfaceExpr],
-    span: &SourceSpan,
-    dag: &mut Dag,
-    scope: &HashMap<String, PortId>,
-    callable_scope: &CallableScope,
-    symbols: &HashMap<String, DeclarationId>,
-    expected_decl: Option<DeclarationId>,
-) -> PortId {
-    let empty_decl = match symbols.get("empty").copied() {
-        Some(id) => id,
-        None => {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: "std `empty` constructor is unavailable while lowering a list literal"
-                        .to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        }
-    };
-    let singleton_decl = match symbols.get("singleton").copied() {
-        Some(id) => id,
-        None => {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name:
-                        "std `singleton` constructor is unavailable while lowering a list literal"
-                            .to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        }
-    };
-    let cons_decl = match symbols.get("cons").copied() {
-        Some(id) => id,
-        None => {
-            return unresolved_port(
-                dag,
-                Diagnostic::ResolveError {
-                    name: "std `cons` constructor is unavailable while lowering a list literal"
-                        .to_string(),
-                    span: span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "LoweringDiagnostic",
-                    ),
-                },
-            );
-        }
-    };
-
-    if elements.is_empty() {
-        return lower_constructor_invocation(dag, empty_decl, Vec::new(), span.clone());
-    }
-
-    let element_expected = expected_decl.and_then(|decl| list_element_type(dag, decl));
-    let mut element_ports: Vec<PortId> = elements
-        .iter()
-        .map(|element| {
-            lower_expr(
-                element,
-                dag,
-                scope,
-                callable_scope,
-                symbols,
-                element_expected,
-            )
-        })
-        .collect();
-    let last = element_ports
-        .pop()
-        .expect("non-empty list literal has a last element");
-    let mut current = lower_constructor_invocation(
-        dag,
-        singleton_decl,
-        vec![last],
-        surface_expr_span(elements.last().expect("non-empty")).clone(),
-    );
-    while let Some(head) = element_ports.pop() {
-        current = lower_constructor_invocation(dag, cons_decl, vec![head, current], span.clone());
-    }
-    current
-}
-
-fn resolve_expected_variant_constructor(
-    dag: &mut Dag,
-    expected_decl: Option<DeclarationId>,
-    variant_name: &str,
-) -> Option<DeclarationId> {
-    let expected_decl = expected_decl?;
-    let expected_span = dag.declaration(expected_decl).span.clone();
-    let disj_id = walk_to_disj_decl(dag, expected_decl)?;
-    let variant_decl = match &dag.declaration(disj_id).connective {
-        TypeConnective::Disj { variants } => variants
-            .iter()
-            .find(|variant| variant.label == variant_name)
-            .map(|variant| variant.ty)?,
-        _ => unreachable!("walk_to_disj_decl returned non-Disj"),
-    };
-    let instantiation_arguments = match &dag.declaration(expected_decl).connective {
-        TypeConnective::Instantiation { arguments, .. } if !arguments.is_empty() => {
-            Some(arguments.clone())
-        }
-        _ => None,
-    };
-    match instantiation_arguments {
-        Some(arguments) => {
-            let instantiation_id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id: instantiation_id,
-                name: None,
-                connective: TypeConnective::Instantiation {
-                    template: variant_decl,
-                    arguments,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: expected_span,
-            });
-            Some(instantiation_id)
-        }
-        _ => Some(variant_decl),
-    }
-}
-
-fn producer_of(dag: &Dag, port: PortId) -> Option<NodeId> {
-    dag.port(port).produced_by
-}
-
-/// X1.a-aware recursive-call detection.
-///
-/// `dag` and `symbols` are required so PathCall callees that resolve to
-/// the current function (e.g. via `data fns: Fns = { rec: <self_name> };
-/// fns.rec(arg)`) are caught — without that resolution, mutual recursion
-/// through a `data`-binding indirection would bypass the decidability
-/// gate (P4).
-fn is_recursive(
-    expr: &SurfaceExpr,
-    self_name: &str,
-    dag: &Dag,
-    symbols: &HashMap<String, DeclarationId>,
-) -> bool {
-    match expr {
-        SurfaceExpr::Literal { .. }
-        | SurfaceExpr::Var { .. }
-        | SurfaceExpr::Path { .. }
-        | SurfaceExpr::List { .. } => false,
-        SurfaceExpr::Call { target, args, .. } => {
-            if target == self_name {
-                return true;
-            }
-            args.iter()
-                .any(|a| is_recursive(a, self_name, dag, symbols))
-        }
-        SurfaceExpr::VariantRecord { fields, .. } => fields
-            .iter()
-            .any(|field| is_recursive(&field.value, self_name, dag, symbols)),
-        SurfaceExpr::Operator { args, .. } => args
-            .iter()
-            .any(|a| is_recursive(a, self_name, dag, symbols)),
-        SurfaceExpr::If {
-            cond,
-            then_branch,
-            else_branch,
-            ..
-        } => {
-            is_recursive(cond, self_name, dag, symbols)
-                || is_recursive(then_branch, self_name, dag, symbols)
-                || is_recursive(else_branch, self_name, dag, symbols)
-        }
-        SurfaceExpr::Match {
-            scrutinee, arms, ..
-        } => {
-            is_recursive(scrutinee, self_name, dag, symbols)
-                || arms
-                    .iter()
-                    .any(|arm| is_recursive(&arm.body, self_name, dag, symbols))
-        }
-        SurfaceExpr::Lambda { body, .. } => is_recursive(body, self_name, dag, symbols),
-        SurfaceExpr::Record { fields, .. } => fields
-            .iter()
-            .any(|f| is_recursive(&f.value, self_name, dag, symbols)),
-        SurfaceExpr::Map { entries, .. } => entries
-            .iter()
-            .any(|e| is_recursive(&e.value, self_name, dag, symbols)),
-        SurfaceExpr::PathCall { segments, args, .. } => {
-            // X1.a static path-call: resolve segments[0] through symbols
-            // → data binding's ValueBody → leaf FieldValue::Reference.
-            // If the leaf decl's name equals self_name, this PathCall is
-            // a recursive self-call (mutual or direct via data-binding
-            // indirection) and must trigger the decidability gate
-            // (INVARIANTS P4).
-            if let Some(leaf_decl) = resolve_path_to_function_decl(segments, dag, symbols) {
-                if dag.declaration(leaf_decl).name.as_deref() == Some(self_name) {
-                    return true;
-                }
-            }
-            args.iter()
-                .any(|a| is_recursive(a, self_name, dag, symbols))
-        }
-    }
-}
-
-/// Partial termination analysis: every recursive self-call's first argument
-/// must be `first_param - <positive int>`. The surface shape is now
-/// `SurfaceExpr::Operator { op: ArithmeticOp::Sub, args: [Var(first_param),
-/// Literal(Int(k))] }` — the operator dispatch is committed at parse
-/// time via `OperatorKind::Arithmetic(ArithmeticOp::Sub)`, so this check
-/// is structural rather than a string match against `target == "-"`.
-///
-/// **On the remaining string comparisons** (`target == self_name`,
-/// `name == first_param`): these are *not* name-based dispatch. Both
-/// sides are parser-stage identifier strings from a single parse tree
-/// reaching `lower_fn_item_expr_body` together — no declaration table
-/// lookup, no cross-module symbol resolution. `self_name` is the fn's
-/// declared name and `first_param` is its parameter name, both
-/// captured from `SurfaceItem::Fn` immediately above on the call
-/// stack. The strings on the other side (`SurfaceExpr::Call.target`,
-/// `SurfaceExpr::Var.name`) are raw parser tokens from the body of
-/// that same fn.
-///
-/// The alternative shape — comparing typed `NodeId`/`PortId` edges —
-/// isn't available at M1(2.7) because the `BindNode` that owns this
-/// function and its param ports doesn't exist yet: this analysis runs
-/// *inside* `lower_fn_item_expr_body`, before the Bind is pushed onto
-/// the node graph. A future post-lowering `DescentEvidence` lens
-/// would walk the emitted Loop/Transform graph by typed id, but
-/// that's a substrate extension, not a bridge to dissolve here.
-#[derive(Debug, Clone, Default)]
-struct StructuralBindingInfo {
-    whole_payload_recursive: bool,
-    recursive_fields: HashSet<String>,
-}
-
-fn bind_named_pattern_fields(
-    info: &StructuralBindingInfo,
-    fields: &[SurfacePatternField],
-    out: &mut HashMap<String, StructuralBindingInfo>,
-) {
-    for field in fields {
-        let mut binding_info = StructuralBindingInfo::default();
-        if info.recursive_fields.contains(&field.name) {
-            binding_info.whole_payload_recursive = true;
-        }
-        out.insert(field.binding.clone(), binding_info);
-    }
-}
-
-fn descent_provable(
-    expr: &SurfaceExpr,
-    dag: &Dag,
-    first_param_decl: DeclarationId,
-    self_name: &str,
-    first_param: &str,
-    bindings: &HashMap<String, StructuralBindingInfo>,
-    symbols: &HashMap<String, DeclarationId>,
-) -> bool {
-    match expr {
-        SurfaceExpr::Literal { .. } | SurfaceExpr::Var { .. } | SurfaceExpr::Path { .. } => true,
-        SurfaceExpr::Call { target, args, .. } => {
-            if target == self_name {
-                match args.first() {
-                    None => false,
-                    Some(first_arg) => {
-                        if !is_strictly_smaller(first_arg, first_param, bindings) {
-                            return false;
-                        }
-                        args.iter().skip(1).all(|a| {
-                            descent_provable(
-                                a,
-                                dag,
-                                first_param_decl,
-                                self_name,
-                                first_param,
-                                bindings,
-                                symbols,
-                            )
-                        })
-                    }
-                }
-            } else {
-                args.iter().all(|a| {
-                    descent_provable(
-                        a,
-                        dag,
-                        first_param_decl,
-                        self_name,
-                        first_param,
-                        bindings,
-                        symbols,
-                    )
-                })
-            }
-        }
-        SurfaceExpr::VariantRecord { fields, .. } => fields.iter().all(|field| {
-            descent_provable(
-                &field.value,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            )
-        }),
-        SurfaceExpr::Operator { args, .. } => args.iter().all(|a| {
-            descent_provable(
-                a,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            )
-        }),
-        SurfaceExpr::If {
-            cond,
-            then_branch,
-            else_branch,
-            ..
-        } => {
-            descent_provable(
-                cond,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            ) && descent_provable(
-                then_branch,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            ) && descent_provable(
-                else_branch,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            )
-        }
-        SurfaceExpr::Match {
-            scrutinee, arms, ..
-        } => {
-            if !descent_provable(
-                scrutinee,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            ) {
-                return false;
-            }
-
-            let scrutinee_is_first_param = matches!(
-                scrutinee.as_ref(),
-                SurfaceExpr::Var { name, .. } if name == first_param
-            );
-            // Nested-match descent: an inner `match` whose scrutinee is a
-            // structural binding from an outer arm (e.g. `match xs { Cons(t1)
-            // => match t1 { Cons(t2) => f(t2) } }`) is itself unpacking a
-            // strict sub-value of the recursive type. The inner pattern's
-            // bindings are therefore also strict sub-values, so register them
-            // against the same recursive declaration the outer match did.
-            let scrutinee_is_recursive_binding = matches!(
-                scrutinee.as_ref(),
-                SurfaceExpr::Var { name, .. }
-                    if bindings
-                        .get(name)
-                        .is_some_and(|info| info.whole_payload_recursive)
-            );
-            let scrutinee_unpacks_recursive_type =
-                scrutinee_is_first_param || scrutinee_is_recursive_binding;
-            arms.iter().all(|arm| {
-                let mut arm_bindings = bindings.clone();
-                if scrutinee_unpacks_recursive_type {
-                    match &arm.pattern {
-                        SurfacePattern::VariantWith { name, binding, .. } => {
-                            if let Some(info) =
-                                structural_binding_info_for_variant(dag, first_param_decl, name)
-                            {
-                                arm_bindings.insert(binding.clone(), info);
-                            }
-                        }
-                        SurfacePattern::VariantFields { name, fields, .. } => {
-                            if let Some(info) =
-                                structural_binding_info_for_variant(dag, first_param_decl, name)
-                            {
-                                bind_named_pattern_fields(&info, fields, &mut arm_bindings);
-                            }
-                        }
-                        SurfacePattern::BareVariant { .. } => {}
-                    }
-                }
-                descent_provable(
-                    &arm.body,
-                    dag,
-                    first_param_decl,
-                    self_name,
-                    first_param,
-                    &arm_bindings,
-                    symbols,
-                )
-            })
-        }
-        SurfaceExpr::Lambda { body, .. } => descent_provable(
-            body,
-            dag,
-            first_param_decl,
-            self_name,
-            first_param,
-            bindings,
-            symbols,
-        ),
-        SurfaceExpr::Record { fields, .. } => fields.iter().all(|f| {
-            descent_provable(
-                &f.value,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            )
-        }),
-        SurfaceExpr::List { elements, .. } => elements.iter().all(|element| {
-            descent_provable(
-                element,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            )
-        }),
-        SurfaceExpr::Map { entries, .. } => entries.iter().all(|entry| {
-            descent_provable(
-                &entry.value,
-                dag,
-                first_param_decl,
-                self_name,
-                first_param,
-                bindings,
-                symbols,
-            )
-        }),
-        SurfaceExpr::PathCall { segments, args, .. } => {
-            // X1.a static path-call: if the resolved leaf decl name
-            // equals `self_name`, this is a recursive self-call via
-            // data-binding indirection. Apply the same descent rule
-            // as `Call`: first arg must be strictly smaller, all
-            // other args descent-provable. Otherwise treat as
-            // non-recursive — recurse into args only.
-            let path_resolves_to_self = resolve_path_to_function_decl(segments, dag, symbols)
-                .is_some_and(|leaf| dag.declaration(leaf).name.as_deref() == Some(self_name));
-            if path_resolves_to_self {
-                match args.first() {
-                    None => false,
-                    Some(first_arg) => {
-                        if !is_strictly_smaller(first_arg, first_param, bindings) {
-                            return false;
-                        }
-                        args.iter().skip(1).all(|a| {
-                            descent_provable(
-                                a,
-                                dag,
-                                first_param_decl,
-                                self_name,
-                                first_param,
-                                bindings,
-                                symbols,
-                            )
-                        })
-                    }
-                }
-            } else {
-                args.iter().all(|a| {
-                    descent_provable(
-                        a,
-                        dag,
-                        first_param_decl,
-                        self_name,
-                        first_param,
-                        bindings,
-                        symbols,
-                    )
-                })
-            }
-        }
-    }
-}
-
-fn is_strictly_smaller(
-    expr: &SurfaceExpr,
-    first_param: &str,
-    bindings: &HashMap<String, StructuralBindingInfo>,
-) -> bool {
-    if is_structurally_smaller(expr, bindings) {
-        return true;
-    }
-    let SurfaceExpr::Operator { op, args, .. } = expr else {
-        return false;
-    };
-    // Structural check — no string match. Subtract is one of the four
-    // arithmetic variants.
-    if !matches!(op, OperatorKind::Arithmetic(ArithmeticOp::Sub)) || args.len() != 2 {
-        return false;
-    }
-    let lhs_is_param = matches!(
-        &args[0],
-        SurfaceExpr::Var { name, .. } if name == first_param
-    );
-    // RHS must be a positive integer literal AND within the descent-evidence
-    // carrier's `positive_amount_from_i64` materialization range
-    // (`dag.rs:1031-1032`, `1..=MAX_PEANO_MATERIALIZATION`). Without the
-    // upper cap, the termination prover would accept `f(n - 257)` while
-    // the per-call descent producer fails to materialize a
-    // `PositiveDescentAmount` and falls back to `SubValueUnknown` —
-    // parallel-authority split-brain (the same single-authority discipline
-    // Slice 3's ClusterDescentChecker fix established).
-    let rhs_in_descent_range = matches!(
-        &args[1],
-        SurfaceExpr::Literal {
-            value: SurfaceLiteral::Int(v), ..
-        } if v.parse::<i64>().ok().is_some_and(|n| (1..=MAX_PEANO_MATERIALIZATION).contains(&n))
-    );
-    lhs_is_param && rhs_in_descent_range
-}
-
-fn is_structurally_smaller(
-    expr: &SurfaceExpr,
-    bindings: &HashMap<String, StructuralBindingInfo>,
-) -> bool {
-    match expr {
-        SurfaceExpr::Var { name, .. } => bindings
-            .get(name)
-            .is_some_and(|info| info.whole_payload_recursive),
-        SurfaceExpr::Path { segments, .. } if segments.len() == 2 => bindings
-            .get(&segments[0])
-            .is_some_and(|info| info.recursive_fields.contains(&segments[1])),
-        _ => false,
-    }
-}
-
-fn structural_binding_info_for_variant(
-    dag: &Dag,
-    first_param_decl: DeclarationId,
-    variant_name: &str,
-) -> Option<StructuralBindingInfo> {
-    let disj_id = walk_to_disj_decl(dag, first_param_decl)?;
-    let variant_decl_id = match &dag.declaration(disj_id).connective {
-        TypeConnective::Disj { variants } => variants
-            .iter()
-            .find(|variant| variant.label == variant_name)
-            .map(|variant| variant.ty)?,
-        _ => unreachable!("walk_to_disj_decl returned non-Disj"),
-    };
-    let TypeConnective::Conj { children } = &dag.declaration(variant_decl_id).connective else {
-        return None;
-    };
-
-    let mut info = StructuralBindingInfo::default();
-    if children.len() == 1
-        && children[0].label.as_str() == "_0"
-        && recursive_decl_equivalent(dag, children[0].ty, first_param_decl)
-    {
-        info.whole_payload_recursive = true;
-    }
-    for child in children {
-        if recursive_decl_equivalent(dag, child.ty, first_param_decl) {
-            info.recursive_fields.insert(child.label.clone());
-        }
-    }
-    Some(info)
-}
-
-fn recursive_decl_equivalent(dag: &Dag, lhs: DeclarationId, rhs: DeclarationId) -> bool {
-    canonical_decl_for_descent(dag, lhs) == canonical_decl_for_descent(dag, rhs)
-}
-
-fn canonical_decl_for_descent(dag: &Dag, start: DeclarationId) -> DeclarationId {
-    let mut current = start;
-    for _ in 0..32 {
-        match &dag.declaration(current).connective {
-            TypeConnective::Instantiation { template, .. } => current = *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => current = *next,
-            _ => return current,
-        }
-    }
-    current
-}
-
-#[derive(Clone, Copy)]
-struct FunctionSurfaceInfo<'a> {
-    name: &'a str,
-    decl_id: DeclarationId,
-    params: &'a [SurfaceParam],
-    body: &'a SurfaceExpr,
-}
-
-#[derive(Clone)]
-struct CallableSurfaceInfo<'a> {
-    name: &'a str,
-    body: &'a SurfaceExpr,
-    shadowed_names: Vec<String>,
-    is_data_lambda: bool,
-}
-
-/// `is_first` must parallel `items` (from [`collect_symbols`]). Only
-/// first-authority surface items participate — same filter as
-/// [`lower_bodies_phase`]'s body lowering loop — so duplicate `fn`
-/// declarations cannot overwrite the mutual-recursion call graph with a
-/// later duplicate's body.
-fn compute_mutually_recursive(
-    items: &[SurfaceItem],
-    dag: &Dag,
-    symbols: &HashMap<String, DeclarationId>,
-    is_first: &[bool],
-) -> MutualRecursionPlans {
-    debug_assert_eq!(items.len(), is_first.len());
-    let mut order: Vec<DeclarationId> = Vec::new();
-    let mut fn_infos: HashMap<DeclarationId, FunctionSurfaceInfo<'_>> = HashMap::new();
-    let mut callable_infos: HashMap<DeclarationId, CallableSurfaceInfo<'_>> = HashMap::new();
-    let mut callable_symbols: HashMap<String, DeclarationId> = HashMap::new();
-    for (idx, item) in items.iter().enumerate() {
-        if !is_first[idx] {
-            continue;
-        }
-        match item {
-            SurfaceItem::Fn {
-                name, params, body, ..
-            } => {
-                let Some(&decl_id) = symbols.get(name) else {
-                    continue;
-                };
-                order.push(decl_id);
-                fn_infos.insert(
-                    decl_id,
-                    FunctionSurfaceInfo {
-                        name,
-                        decl_id,
-                        params,
-                        body,
-                    },
-                );
-                callable_infos.insert(
-                    decl_id,
-                    CallableSurfaceInfo {
-                        name,
-                        body,
-                        shadowed_names: params.iter().map(|param| param.name.clone()).collect(),
-                        is_data_lambda: false,
-                    },
-                );
-                callable_symbols.insert(name.clone(), decl_id);
-            }
-            SurfaceItem::Data {
-                name,
-                body:
-                    Some(SurfaceExpr::Lambda {
-                        params,
-                        body: lambda_body,
-                        ..
-                    }),
-                ..
-            } => {
-                let Some(&decl_id) = symbols.get(name) else {
-                    continue;
-                };
-                order.push(decl_id);
-                callable_infos.insert(
-                    decl_id,
-                    CallableSurfaceInfo {
-                        name,
-                        body: lambda_body,
-                        shadowed_names: params.clone(),
-                        is_data_lambda: true,
-                    },
-                );
-                callable_symbols.insert(name.clone(), decl_id);
-            }
-            _ => {}
-        }
-    }
-
-    let order_index: HashMap<DeclarationId, usize> = order
-        .iter()
-        .enumerate()
-        .map(|(idx, decl_id)| (*decl_id, idx))
-        .collect();
-    let mut calls: HashMap<DeclarationId, Vec<DeclarationId>> = HashMap::new();
-    for decl_id in &order {
-        let Some(info) = callable_infos.get(decl_id) else {
-            continue;
-        };
-        let mut callees = HashSet::new();
-        let mut shadowed: HashSet<String> = info.shadowed_names.iter().cloned().collect();
-        collect_recursive_callees(
-            info.body,
-            &callable_symbols,
-            dag,
-            &mut shadowed,
-            &mut callees,
-        );
-        let mut sorted_callees: Vec<DeclarationId> = callees.into_iter().collect();
-        sorted_callees.sort_by_key(|callee| order_index.get(callee).copied().unwrap_or(usize::MAX));
-        calls.insert(*decl_id, sorted_callees);
-    }
-
-    let mut plans = MutualRecursionPlans::default();
-    for members in strongly_connected_components(&order, &calls) {
-        let is_self_loop = members.len() == 1
-            && calls
-                .get(&members[0])
-                .is_some_and(|callees| callees.contains(&members[0]));
-        if members.len() == 1 && !is_self_loop {
-            continue;
-        }
-        let contains_data_lambda = members.iter().any(|member| {
-            callable_infos
-                .get(member)
-                .is_some_and(|info| info.is_data_lambda)
-        });
-        if members.len() == 1 && !contains_data_lambda {
-            continue;
-        }
-        if contains_data_lambda {
-            let invalid = InvalidMutualCluster {
-                members: members
-                    .iter()
-                    .filter_map(|member| {
-                        callable_infos.get(member).map(|info| info.name.to_string())
-                    })
-                    .collect(),
-            };
-            for member in members {
-                plans.invalid_by_member.insert(member, invalid.clone());
-            }
-        } else if let Some(per_member_positions) =
-            find_cluster_slot_assignment(&members, dag, &fn_infos, &callable_symbols, &calls)
-        {
-            let member_names: Vec<String> = members
-                .iter()
-                .filter_map(|member| fn_infos.get(member).map(|info| info.name.to_string()))
-                .collect();
-            let member_set: HashSet<DeclarationId> = members.iter().copied().collect();
-            let recursive_edges = members
-                .iter()
-                .flat_map(|caller| {
-                    calls
-                        .get(caller)
-                        .into_iter()
-                        .flatten()
-                        .copied()
-                        .filter(|callee| member_set.contains(callee))
-                        .map(|callee| RecursiveEdge {
-                            caller: *caller,
-                            callee,
-                        })
-                })
-                .collect();
-            let cluster_index = plans.clusters.len();
-            for member in &members {
-                plans.by_member.insert(*member, cluster_index);
-            }
-            plans.clusters.push(MutualClusterShape {
-                members,
-                member_names,
-                per_member_positions,
-                recursive_edges,
-            });
-        } else {
-            let invalid = InvalidMutualCluster {
-                members: members
-                    .iter()
-                    .filter_map(|member| fn_infos.get(member).map(|info| info.name.to_string()))
-                    .collect(),
-            };
-            for member in members {
-                plans.invalid_by_member.insert(member, invalid.clone());
-            }
-        }
-    }
-    plans
-}
-
-fn strongly_connected_components(
-    order: &[DeclarationId],
-    calls: &HashMap<DeclarationId, Vec<DeclarationId>>,
-) -> Vec<Vec<DeclarationId>> {
-    let order_index: HashMap<DeclarationId, usize> = order
-        .iter()
-        .enumerate()
-        .map(|(idx, decl_id)| (*decl_id, idx))
-        .collect();
-    let mut visited: HashSet<DeclarationId> = HashSet::new();
-    let mut finish_order: Vec<DeclarationId> = Vec::new();
-
-    fn dfs(
-        node: DeclarationId,
-        calls: &HashMap<DeclarationId, Vec<DeclarationId>>,
-        visited: &mut HashSet<DeclarationId>,
-        finish_order: &mut Vec<DeclarationId>,
-    ) {
-        if !visited.insert(node) {
-            return;
-        }
-        if let Some(callees) = calls.get(&node) {
-            for callee in callees {
-                dfs(*callee, calls, visited, finish_order);
-            }
-        }
-        finish_order.push(node);
-    }
-
-    for decl_id in order {
-        dfs(*decl_id, calls, &mut visited, &mut finish_order);
-    }
-
-    let mut reverse: HashMap<DeclarationId, Vec<DeclarationId>> =
-        order.iter().map(|decl_id| (*decl_id, Vec::new())).collect();
-    for (caller, callees) in calls {
-        for callee in callees {
-            reverse.entry(*callee).or_default().push(*caller);
-        }
-    }
-
-    fn dfs_reverse(
-        node: DeclarationId,
-        reverse: &HashMap<DeclarationId, Vec<DeclarationId>>,
-        assigned: &mut HashSet<DeclarationId>,
-        component: &mut Vec<DeclarationId>,
-    ) {
-        if !assigned.insert(node) {
-            return;
-        }
-        component.push(node);
-        if let Some(callers) = reverse.get(&node) {
-            for caller in callers {
-                dfs_reverse(*caller, reverse, assigned, component);
-            }
-        }
-    }
-
-    let mut assigned: HashSet<DeclarationId> = HashSet::new();
-    let mut components: Vec<Vec<DeclarationId>> = Vec::new();
-    for decl_id in finish_order.into_iter().rev() {
-        if assigned.contains(&decl_id) {
-            continue;
-        }
-        let mut component = Vec::new();
-        dfs_reverse(decl_id, &reverse, &mut assigned, &mut component);
-        component.sort_by_key(|member| order_index.get(member).copied().unwrap_or(usize::MAX));
-        components.push(component);
-    }
-    components.sort_by_key(|component| {
-        component
-            .first()
-            .and_then(|member| order_index.get(member))
-            .copied()
-            .unwrap_or(usize::MAX)
-    });
-    components
-}
-
-fn find_cluster_slot_assignment(
-    members: &[DeclarationId],
-    dag: &Dag,
-    fn_infos: &HashMap<DeclarationId, FunctionSurfaceInfo<'_>>,
-    function_symbols: &HashMap<String, DeclarationId>,
-    calls: &HashMap<DeclarationId, Vec<DeclarationId>>,
-) -> Option<HashMap<DeclarationId, usize>> {
-    if members.iter().any(|member| {
-        fn_infos
-            .get(member)
-            .map(|info| info.params.is_empty())
-            .unwrap_or(true)
-    }) {
-        return None;
-    }
-
-    fn search(
-        member_index: usize,
-        members: &[DeclarationId],
-        dag: &Dag,
-        fn_infos: &HashMap<DeclarationId, FunctionSurfaceInfo<'_>>,
-        function_symbols: &HashMap<String, DeclarationId>,
-        calls: &HashMap<DeclarationId, Vec<DeclarationId>>,
-        assignment: &mut HashMap<DeclarationId, usize>,
-    ) -> Option<HashMap<DeclarationId, usize>> {
-        if member_index == members.len() {
-            if validate_cluster_slot_assignment(
-                members,
-                dag,
-                fn_infos,
-                function_symbols,
-                calls,
-                assignment,
-            ) {
-                return Some(assignment.clone());
-            }
-            return None;
-        }
-
-        let member = &members[member_index];
-        let info = fn_infos.get(member)?;
-        for slot in 0..info.params.len() {
-            assignment.insert(*member, slot);
-            if let Some(found) = search(
-                member_index + 1,
-                members,
-                dag,
-                fn_infos,
-                function_symbols,
-                calls,
-                assignment,
-            ) {
-                return Some(found);
-            }
-        }
-        assignment.remove(member);
-        None
-    }
-
-    search(
-        0,
-        members,
-        dag,
-        fn_infos,
-        function_symbols,
-        calls,
-        &mut HashMap::new(),
-    )
-}
-
-fn validate_cluster_slot_assignment(
-    members: &[DeclarationId],
-    dag: &Dag,
-    fn_infos: &HashMap<DeclarationId, FunctionSurfaceInfo<'_>>,
-    function_symbols: &HashMap<String, DeclarationId>,
-    calls: &HashMap<DeclarationId, Vec<DeclarationId>>,
-    assignment: &HashMap<DeclarationId, usize>,
-) -> bool {
-    let cluster_members: HashSet<DeclarationId> = members.iter().copied().collect();
-    members.iter().all(|member| {
-        let Some(info) = fn_infos.get(member) else {
-            return false;
-        };
-        let Some(&slot) = assignment.get(member) else {
-            return false;
-        };
-        let TypeConnective::Arrow { inputs, .. } = &dag.declaration(info.decl_id).connective else {
-            return false;
-        };
-        let Some(param_decl) = inputs.get(slot).copied() else {
-            return false;
-        };
-        let Some(param) = info.params.get(slot) else {
-            return false;
-        };
-        let recursive_callees: HashSet<DeclarationId> = calls
-            .get(member)
-            .into_iter()
-            .flatten()
-            .copied()
-            .filter(|callee| cluster_members.contains(callee))
-            .collect();
-        let initial_shadowed: HashSet<String> = info
-            .params
-            .iter()
-            .map(|surface_param| surface_param.name.clone())
-            .collect();
-        ClusterDescentChecker {
-            dag,
-            current_param_decl: param_decl,
-            current_param: &param.name,
-            recursive_callees: &recursive_callees,
-            assignment,
-            function_symbols,
-        }
-        .expr(info.body, &HashMap::new(), &initial_shadowed)
-    })
-}
-
-struct ClusterDescentChecker<'a> {
-    dag: &'a Dag,
-    current_param_decl: DeclarationId,
-    current_param: &'a str,
-    recursive_callees: &'a HashSet<DeclarationId>,
-    assignment: &'a HashMap<DeclarationId, usize>,
-    function_symbols: &'a HashMap<String, DeclarationId>,
-}
-
-impl ClusterDescentChecker<'_> {
-    fn expr(
-        &self,
-        expr: &SurfaceExpr,
-        bindings: &HashMap<String, StructuralBindingInfo>,
-        shadowed: &HashSet<String>,
-    ) -> bool {
-        match expr {
-            SurfaceExpr::Literal { .. } | SurfaceExpr::Var { .. } | SurfaceExpr::Path { .. } => {
-                true
-            }
-            SurfaceExpr::Call { target, args, .. } => {
-                if !shadowed.contains(target) {
-                    if let Some(&callee_decl) = self.function_symbols.get(target) {
-                        if self.recursive_callees.contains(&callee_decl) {
-                            let Some(&callee_slot) = self.assignment.get(&callee_decl) else {
-                                return false;
-                            };
-                            let Some(callee_arg) = args.get(callee_slot) else {
-                                return false;
-                            };
-                            if !is_strictly_smaller(callee_arg, self.current_param, bindings) {
-                                return false;
-                            }
-                        }
-                    }
-                }
-                args.iter().all(|arg| self.expr(arg, bindings, shadowed))
-            }
-            SurfaceExpr::VariantRecord { fields, .. } => fields
-                .iter()
-                .all(|field| self.expr(&field.value, bindings, shadowed)),
-            SurfaceExpr::Operator { args, .. } => {
-                args.iter().all(|arg| self.expr(arg, bindings, shadowed))
-            }
-            SurfaceExpr::If {
-                cond,
-                then_branch,
-                else_branch,
-                ..
-            } => {
-                self.expr(cond, bindings, shadowed)
-                    && self.expr(then_branch, bindings, shadowed)
-                    && self.expr(else_branch, bindings, shadowed)
-            }
-            SurfaceExpr::Match {
-                scrutinee, arms, ..
-            } => {
-                if !self.expr(scrutinee, bindings, shadowed) {
-                    return false;
-                }
-
-                let scrutinee_is_current_param = matches!(
-                    scrutinee.as_ref(),
-                    SurfaceExpr::Var { name, .. } if name == self.current_param
-                );
-                // Same nested-match descent extension as `descent_provable`'s
-                // self-recursive arm (see comment there): an inner `match`
-                // whose scrutinee is itself a structural binding from an
-                // outer arm is unpacking a strict sub-value, so its
-                // pattern bindings inherit recursive-descent status.
-                // Without this mirror the cluster (SCC) authority enforces a
-                // stricter rule than the self-recursive authority — same
-                // termination fact, two acceptance rules.
-                let scrutinee_is_recursive_binding = matches!(
-                    scrutinee.as_ref(),
-                    SurfaceExpr::Var { name, .. }
-                        if bindings
-                            .get(name)
-                            .is_some_and(|info| info.whole_payload_recursive)
-                );
-                let scrutinee_unpacks_recursive_type =
-                    scrutinee_is_current_param || scrutinee_is_recursive_binding;
-                arms.iter().all(|arm| {
-                    let mut arm_bindings = bindings.clone();
-                    let mut arm_shadowed = shadowed.clone();
-                    for binding in pattern_binding_names(&arm.pattern) {
-                        arm_shadowed.insert(binding.to_string());
-                    }
-                    if scrutinee_unpacks_recursive_type {
-                        match &arm.pattern {
-                            SurfacePattern::VariantWith { name, binding, .. } => {
-                                if let Some(info) = structural_binding_info_for_variant(
-                                    self.dag,
-                                    self.current_param_decl,
-                                    name,
-                                ) {
-                                    arm_bindings.insert(binding.clone(), info);
-                                }
-                            }
-                            SurfacePattern::VariantFields { name, fields, .. } => {
-                                if let Some(info) = structural_binding_info_for_variant(
-                                    self.dag,
-                                    self.current_param_decl,
-                                    name,
-                                ) {
-                                    bind_named_pattern_fields(&info, fields, &mut arm_bindings);
-                                }
-                            }
-                            SurfacePattern::BareVariant { .. } => {}
-                        }
-                    }
-                    self.expr(&arm.body, &arm_bindings, &arm_shadowed)
-                })
-            }
-            SurfaceExpr::Lambda { params, body, .. } => {
-                let mut lambda_shadowed = shadowed.clone();
-                lambda_shadowed.extend(params.iter().cloned());
-                self.expr(body, bindings, &lambda_shadowed)
-            }
-            SurfaceExpr::Record { fields, .. } => fields
-                .iter()
-                .all(|field| self.expr(&field.value, bindings, shadowed)),
-            SurfaceExpr::List { elements, .. } => elements
-                .iter()
-                .all(|element| self.expr(element, bindings, shadowed)),
-            SurfaceExpr::Map { entries, .. } => entries
-                .iter()
-                .all(|entry| self.expr(&entry.value, bindings, shadowed)),
-            SurfaceExpr::PathCall { segments, args, .. } => {
-                // X1.a static path-call: resolve segments to a leaf
-                // top-level function decl. If the leaf is in this
-                // cluster's recursive-callee set, apply the same
-                // assigned-slot strict-descent check as the `Call` arm.
-                // Without this, mutual recursion via `data` indirection
-                // (e.g. `data fns: Fns = { a: f, b: g }; fn f(x) =
-                // fns.b(x); fn g(x) = fns.a(x)`) bypasses the cluster
-                // descent gate (P4).
-                if let Some(callee_decl) =
-                    resolve_path_to_function_decl(segments, self.dag, self.function_symbols)
-                {
-                    if self.recursive_callees.contains(&callee_decl) {
-                        let Some(&callee_slot) = self.assignment.get(&callee_decl) else {
-                            return false;
-                        };
-                        let Some(callee_arg) = args.get(callee_slot) else {
-                            return false;
-                        };
-                        if !is_strictly_smaller(callee_arg, self.current_param, bindings) {
-                            return false;
-                        }
-                    }
-                }
-                args.iter().all(|arg| self.expr(arg, bindings, shadowed))
-            }
-        }
-    }
-}
-
-fn collect_recursive_callees(
-    expr: &SurfaceExpr,
-    function_symbols: &HashMap<String, DeclarationId>,
-    dag: &Dag,
-    shadowed: &mut HashSet<String>,
-    out: &mut HashSet<DeclarationId>,
-) {
-    match expr {
-        SurfaceExpr::Literal { .. } | SurfaceExpr::Var { .. } | SurfaceExpr::Path { .. } => {}
-        SurfaceExpr::Call { target, args, .. } => {
-            if !shadowed.contains(target) {
-                if let Some(&callee_decl) = function_symbols.get(target) {
-                    out.insert(callee_decl);
-                }
-            }
-            for a in args {
-                collect_recursive_callees(a, function_symbols, dag, shadowed, out);
-            }
-        }
-        SurfaceExpr::VariantRecord { fields, .. } => {
-            for field in fields {
-                collect_recursive_callees(&field.value, function_symbols, dag, shadowed, out);
-            }
-        }
-        SurfaceExpr::Operator { args, .. } => {
-            for a in args {
-                collect_recursive_callees(a, function_symbols, dag, shadowed, out);
-            }
-        }
-        SurfaceExpr::If {
-            cond,
-            then_branch,
-            else_branch,
-            ..
-        } => {
-            collect_recursive_callees(cond, function_symbols, dag, shadowed, out);
-            collect_recursive_callees(then_branch, function_symbols, dag, shadowed, out);
-            collect_recursive_callees(else_branch, function_symbols, dag, shadowed, out);
-        }
-        SurfaceExpr::Match {
-            scrutinee, arms, ..
-        } => {
-            collect_recursive_callees(scrutinee, function_symbols, dag, shadowed, out);
-            for arm in arms {
-                let mut arm_shadowed = shadowed.clone();
-                for binding in pattern_binding_names(&arm.pattern) {
-                    arm_shadowed.insert(binding.to_string());
-                }
-                collect_recursive_callees(&arm.body, function_symbols, dag, &mut arm_shadowed, out);
-            }
-        }
-        SurfaceExpr::Lambda { params, body, .. } => {
-            let mut lambda_shadowed = shadowed.clone();
-            lambda_shadowed.extend(params.iter().cloned());
-            collect_recursive_callees(body, function_symbols, dag, &mut lambda_shadowed, out)
-        }
-        SurfaceExpr::Record { fields, .. } => {
-            for f in fields {
-                collect_recursive_callees(&f.value, function_symbols, dag, shadowed, out);
-            }
-        }
-        SurfaceExpr::List { elements, .. } => {
-            for element in elements {
-                collect_recursive_callees(element, function_symbols, dag, shadowed, out);
-            }
-        }
-        SurfaceExpr::Map { entries, .. } => {
-            for entry in entries {
-                collect_recursive_callees(&entry.value, function_symbols, dag, shadowed, out);
-            }
-        }
-        SurfaceExpr::PathCall { segments, args, .. } => {
-            // X1.a static path-call: resolve segments through the head's
-            // `data` ValueBody to a leaf `FieldValue::Reference(decl_id)`
-            // and insert that decl into the recursive-callee set. Without
-            // this, mutual recursion via a data-binding indirection
-            // bypasses the recursive-edge graph (P4).
-            let head_shadowed = segments.first().is_some_and(|head| shadowed.contains(head));
-            if !head_shadowed {
-                if let Some(leaf_decl) =
-                    resolve_path_to_function_decl(segments, dag, function_symbols)
-                {
-                    out.insert(leaf_decl);
-                }
-            }
-            for a in args {
-                collect_recursive_callees(a, function_symbols, dag, shadowed, out);
-            }
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::dag::Declaration;
-    use crate::dag::Field;
-    use crate::dag::LiteralBits;
-    use crate::dag::PortState;
-    use crate::diagnostics::positive_interval_width_unit_count_requires_nonnegative_units_literal_message;
-    use crate::diagnostics::{Diagnostic, SourceSpan};
-    use std::collections::HashMap;
-
-    fn test_span() -> SourceSpan {
-        SourceSpan::new("lower_decl_ref_test.v3", 0, 0)
-    }
-
-    fn test_v4_std_patch_span() -> SourceSpan {
-        SourceSpan::new("src/v4/std/patch.dag", 0, 100)
-    }
-
-    fn push_test_declaration(
-        dag: &mut Dag,
-        name: &str,
-        connective: TypeConnective,
-        meta_tag: Option<DeclarationId>,
-    ) -> DeclarationId {
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: Some(name.to_string()),
-            connective,
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: test_span(),
-        });
-        id
-    }
-
-    fn push_anonymous_test_declaration(dag: &mut Dag, connective: TypeConnective) -> DeclarationId {
-        let id = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id,
-            name: None,
-            connective,
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: test_span(),
-        });
-        id
-    }
-
-    #[test]
-    fn structural_map_field_lowers_values_with_active_substitution() {
-        let mut dag = Dag::new();
-        let int_id = dag.declaration_by_name("Int").expect("Int").id;
-        let string_id = dag.declaration_by_name("String").expect("String").id;
-        let map_id = dag.declaration_by_name("Map").expect("Map").id;
-        let map_key_param = dag.declaration(map_id).type_params[0];
-        let map_value_param = dag.declaration(map_id).type_params[1];
-        let c_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("C".to_string())),
-        );
-        let map_string_c = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Instantiation {
-                template: map_id,
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: map_key_param,
-                        value: string_id,
-                    },
-                    TemplateArgument {
-                        parameter: map_value_param,
-                        value: c_param,
-                    },
-                ],
-            },
-        );
-        let mut subst = LowerSubstStack::default();
-        subst.push(vec![TemplateArgument {
-            parameter: c_param,
-            value: int_id,
-        }]);
-        let span = test_span();
-        let lowered = lower_structural_field_value(
-            "aggregate_int",
-            "table",
-            &SurfaceExpr::Map {
-                entries: vec![crate::parse_surface::SurfaceMapEntry {
-                    key: "one".to_string(),
-                    key_span: span.clone(),
-                    value: SurfaceExpr::Literal {
-                        value: SurfaceLiteral::Int("1".to_string()),
-                        span: span.clone(),
-                    },
-                    span: span.clone(),
-                }],
-                span: span.clone(),
-            },
-            map_string_c,
-            &subst,
-            &HashMap::new(),
-            &mut dag,
-            None,
-            &span,
-            &HashSet::new(),
-        )
-        .expect("Map<String, C> value should lower under C := Int");
-        let crate::dag::FieldValue::Map(map) = lowered else {
-            panic!("expected structural map field, got {lowered:?}");
-        };
-        assert_eq!(
-            map.entries(),
-            &[(
-                "one".to_string(),
-                crate::dag::FieldValue::Literal(LiteralBits::Int("1".to_string()))
-            )]
-        );
-
-        let k_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("K".to_string())),
-        );
-        let v_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("V".to_string())),
-        );
-        let map_k_v = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Instantiation {
-                template: map_id,
-                arguments: vec![
-                    TemplateArgument {
-                        parameter: map_key_param,
-                        value: k_param,
-                    },
-                    TemplateArgument {
-                        parameter: map_value_param,
-                        value: v_param,
-                    },
-                ],
-            },
-        );
-        let mut key_value_subst = LowerSubstStack::default();
-        key_value_subst.push(vec![
-            TemplateArgument {
-                parameter: k_param,
-                value: string_id,
-            },
-            TemplateArgument {
-                parameter: v_param,
-                value: int_id,
-            },
-        ]);
-        let lowered = lower_structural_field_value(
-            "aggregate_int",
-            "table",
-            &SurfaceExpr::Map {
-                entries: vec![crate::parse_surface::SurfaceMapEntry {
-                    key: "one".to_string(),
-                    key_span: span.clone(),
-                    value: SurfaceExpr::Literal {
-                        value: SurfaceLiteral::Int("1".to_string()),
-                        span: span.clone(),
-                    },
-                    span: span.clone(),
-                }],
-                span: span.clone(),
-            },
-            map_k_v,
-            &key_value_subst,
-            &HashMap::new(),
-            &mut dag,
-            None,
-            &span,
-            &HashSet::new(),
-        )
-        .expect("Map<K, V> value should lower under K := String, V := Int");
-        let crate::dag::FieldValue::Map(map) = lowered else {
-            panic!("expected structural map field, got {lowered:?}");
-        };
-        assert_eq!(
-            map.entries(),
-            &[(
-                "one".to_string(),
-                crate::dag::FieldValue::Literal(LiteralBits::Int("1".to_string()))
-            )]
-        );
-    }
-
-    #[test]
-    fn enforce_non_negative_unit_count_payload_rejects_negative_literal() {
-        std::thread::Builder::new()
-            .stack_size(8 * 1024 * 1024)
-            .spawn(|| {
-                let dag = Dag::new();
-                let piw = dag
-                    .declaration_by_name("PositiveIntervalWidth")
-                    .expect("bootstrap PositiveIntervalWidth");
-                let TypeConnective::Disj { variants } = &piw.connective else {
-                    panic!("PositiveIntervalWidth must be a sum");
-                };
-                let unit_count_payload_ty = variants
-                    .iter()
-                    .find(|v| v.label == "UnitCount")
-                    .expect("UnitCount variant")
-                    .ty;
-                let span = test_span();
-                let payload = vec![crate::dag::FieldValue::Literal(LiteralBits::Int(
-                    "-1".to_string(),
-                ))];
-                let err = enforce_non_negative_unit_count_payload(
-                    &dag,
-                    unit_count_payload_ty,
-                    &payload,
-                    &span,
-                )
-                .expect_err("negative units must be rejected");
-                let Diagnostic::ResolveError { name, .. } = err else {
-                    panic!("expected ResolveError; got {err:?}");
-                };
-                assert_eq!(
-                    name,
-                    positive_interval_width_unit_count_requires_nonnegative_units_literal_message(
-                        "-1"
-                    )
-                );
-            })
-            .expect("spawn enforce_non_negative_unit_count_payload test")
-            .join()
-            .expect("enforce_non_negative_unit_count_payload test panicked");
-    }
-
-    fn surface_named_type(name: &str) -> SurfaceType {
-        SurfaceType::Named {
-            name: name.to_string(),
-            span: test_span(),
-        }
-    }
-
-    fn dimension_record_module(file: &str, type_params: &[&str]) -> SurfaceModule {
-        SurfaceModule {
-            items: vec![SurfaceItem::TypeRecord {
-                name: "Dimension".to_string(),
-                type_params: type_params
-                    .iter()
-                    .map(|param| (*param).to_string())
-                    .collect(),
-                fields: vec![SurfaceField {
-                    name: "value".to_string(),
-                    ty: surface_named_type("Carrier"),
-                }],
-                span: SourceSpan::new(file, 0, 1),
-            }],
-        }
-    }
-
-    fn dimension_alias_module(file: &str) -> SurfaceModule {
-        SurfaceModule {
-            items: vec![SurfaceItem::TypeAlias {
-                name: "Dimension".to_string(),
-                type_params: vec!["Unit".to_string(), "Carrier".to_string()],
-                nominal_opaque: false,
-                target: surface_named_type("Carrier"),
-                refinement: None,
-                span: SourceSpan::new(file, 0, 1),
-            }],
-        }
-    }
-
-    #[test]
-    fn non_std_dimension_record_does_not_receive_unit_phantom_bridge() {
-        let mut dag = Dag::empty();
-        let module = dimension_record_module("user_dimension.dag", &["Unit", "Carrier"]);
-
-        lower_into(&mut dag, &module);
-
-        let dimension = dag
-            .declarations()
-            .iter()
-            .find(|decl| decl.name.as_deref() == Some("Dimension"))
-            .expect("test Dimension declaration allocated");
-        assert!(
-            dimension.phantom_params.is_empty(),
-            "non-std Dimension declarations must not receive the std unit phantom convention"
-        );
-        assert!(
-            dag.diagnostics().is_empty(),
-            "non-std Dimension should lower as an ordinary record without bridge diagnostics: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-    }
-
-    #[test]
-    fn malformed_std_dimension_bridge_fails_closed() {
-        let mut dag = Dag::empty();
-        let module = dimension_record_module(DIMENSION_STD_AUTHORITY_FILE, &["Carrier"]);
-
-        lower_into(&mut dag, &module);
-
-        let dimension = dag
-            .declarations()
-            .iter()
-            .find(|decl| decl.name.as_deref() == Some("Dimension"))
-            .expect("test Dimension declaration allocated");
-        assert!(dimension.phantom_params.is_empty());
-        assert!(
-            dag.diagnostics().iter().any(|(_, diagnostic)| {
-                matches!(
-                    diagnostic,
-                    Diagnostic::ResolveError { name, .. }
-                        if name.contains("invalid std `Dimension<Unit, Carrier>` phantom bridge")
-                )
-            }),
-            "malformed std Dimension must emit a fail-closed diagnostic: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-    }
-
-    #[test]
-    fn non_record_std_dimension_bridge_fails_closed() {
-        let mut dag = Dag::empty();
-        let module = dimension_alias_module(DIMENSION_STD_AUTHORITY_FILE);
-
-        lower_into(&mut dag, &module);
-
-        assert!(
-            dag.diagnostics().iter().any(|(_, diagnostic)| {
-                matches!(
-                    diagnostic,
-                    Diagnostic::ResolveError { name, .. }
-                        if name.contains("must be a record declaration")
-                )
-            }),
-            "std Dimension as a non-record type form must fail closed: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-    }
-
-    #[test]
-    fn aliased_expected_type_accepts_same_typed_declaration_reference() {
-        let mut dag = Dag::new();
-        let span = test_span();
-        let style_type = push_test_declaration(
-            &mut dag,
-            "LocalStyle",
-            TypeConnective::Conj {
-                children: Vec::new(),
-            },
-            None,
-        );
-        let aliased_style = push_test_declaration(
-            &mut dag,
-            "AliasedLocalStyle",
-            TypeConnective::Instantiation {
-                template: style_type,
-                arguments: Vec::new(),
-            },
-            None,
-        );
-        let style_value = push_test_declaration(
-            &mut dag,
-            "local_style_value",
-            TypeConnective::Instantiation {
-                template: style_type,
-                arguments: Vec::new(),
-            },
-            Some(style_type),
-        );
-        let mut symbols = HashMap::new();
-        symbols.insert("local_style_value".to_string(), style_value);
-
-        let lowered = lower_structural_field_value(
-            "local_contract_value",
-            "style",
-            &SurfaceExpr::Var {
-                name: "local_style_value".to_string(),
-                span: span.clone(),
-            },
-            aliased_style,
-            &LowerSubstStack::default(),
-            &symbols,
-            &mut dag,
-            None,
-            &span,
-            &HashSet::new(),
-        );
-
-        assert_eq!(
-            lowered,
-            Some(crate::dag::FieldValue::Reference(style_value)),
-            "alias-wrapped expected types should still accept same-typed declaration refs"
-        );
-    }
-
-    #[test]
-    fn declaration_ref_resolution_does_not_fall_back_to_global_names() {
-        let mut dag = Dag::new();
-        let global_only = push_test_declaration(
-            &mut dag,
-            "global_only",
-            TypeConnective::Conj {
-                children: Vec::new(),
-            },
-            None,
-        );
-
-        let resolved = resolve_field_value_as_declaration_ref(
-            &SurfaceExpr::Var {
-                name: "global_only".to_string(),
-                span: test_span(),
-            },
-            &HashMap::new(),
-            &dag,
-        );
-
-        assert_eq!(
-            dag.declaration(global_only).name.as_deref(),
-            Some("global_only"),
-            "test setup should create the global declaration"
-        );
-        assert_eq!(
-            resolved, None,
-            "declaration-ref lowering must fail closed when the name is not in scope"
-        );
-    }
-
-    #[test]
-    fn identifier_sweep_marks_name_keyed_resolution_provenance() {
-        let mut dag = Dag::new();
-        let user_start = dag.declarations().len();
-        let stub = alloc_identifier_stub(&mut dag, "Int", &test_span());
-
-        resolve_pending_identifiers_strict(&mut dag, user_start);
-
-        assert!(
-            matches!(
-                dag.declaration(stub).connective,
-                TypeConnective::Atom(AtomPayload::ResolvedByName(_))
-            ),
-            "strict identifier sweep must preserve name-fallback provenance on repaired stubs"
-        );
-    }
-
-    #[test]
-    fn fn_body_lowering_reports_non_arrow_seed_invariant_violation() {
-        let span = test_span();
-        let return_type = SurfaceType::Named {
-            name: "Int".to_string(),
-            span: span.clone(),
-        };
-        let body = SurfaceExpr::Literal {
-            value: SurfaceLiteral::Int("1".into()),
-            span: span.clone(),
-        };
-        let module = SurfaceModule {
-            items: vec![SurfaceItem::Fn {
-                name: "bad_seed".to_string(),
-                type_params: Vec::new(),
-                params: Vec::new(),
-                return_type: return_type.clone(),
-                body: body.clone(),
-                span: span.clone(),
-            }],
-        };
-        let mut dag = Dag::new();
-        let (symbols, _is_first) = collect_symbols_phase(&mut dag, &module.items);
-        let mut mutual_state = MutualRecursionState::default();
-
-        lower_fn_item_expr_body(
-            "bad_seed",
-            &[],
-            &return_type,
-            &body,
-            &mut dag,
-            HashMap::new(),
-            &symbols,
-            &MutualRecursionPlans::default(),
-            &mut mutual_state,
-        );
-
-        assert!(
-            dag.diagnostics().iter().any(|(_, diagnostic)| {
-                matches!(
-                    diagnostic,
-                    Diagnostic::ResolveError { name, .. }
-                        if name.contains("function declaration `bad_seed`")
-                            && name.contains("seed_function_signatures_phase did not produce an Arrow connective")
-                            && name.contains("observed connective")
-                )
-            }),
-            "non-Arrow fn declarations at body lowering must fail closed with a diagnostic"
-        );
-    }
-
-    #[test]
-    fn unresolved_fn_return_annotation_leaves_bind_value_unresolved() {
-        let dag = match crate::compile_to_dag("fn bad() -> MissingType = 1", "bad_return.v3") {
-            Err(crate::CompileError::Semantic(dag)) => dag,
-            other => panic!("unknown return type must fail semantically, got {other:?}"),
-        };
-
-        let bind = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Bind(bind) if bind.name == "bad" => Some(bind),
-                _ => None,
-            })
-            .expect("lowering should still emit the function Bind for inspection");
-        let bind_port = dag.port(bind.value);
-        assert_eq!(
-            bind_port.state(),
-            &PortState::Unresolved,
-            "failed return annotation must leave the function Bind value unresolved"
-        );
-        assert_eq!(
-            bind_port.value_type(),
-            None,
-            "failed return annotation must not fabricate a TypeShape on the Bind value"
-        );
-        assert_ne!(
-            bind_port.value_type(),
-            dag.int_shape().as_ref(),
-            "failed return annotation must not expose the Int sentinel"
-        );
-        assert_ne!(
-            bind_port.value_type(),
-            Some(&TypeShape::new(dag.declarations()[0].id)),
-            "failed return annotation must not expose DeclarationId(0) as a sentinel"
-        );
-
-        let value = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Value(value) if value.data == LiteralBits::Int("1".to_string()) => {
-                    Some(value)
-                }
-                _ => None,
-            })
-            .expect("literal function body should still lower to a ValueNode");
-        assert_ne!(
-            value.output, bind.value,
-            "invalid return annotation must use a distinct diagnostic result port"
-        );
-
-        let diagnostic = dag
-            .diagnostics()
-            .get(bind.value)
-            .expect("Bind value unresolved state must carry the return annotation diagnostic");
-        assert!(
-            matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, .. } if name == "unknown type `MissingType`"
-            ),
-            "expected unknown return type diagnostic on Bind value, got {diagnostic:?}"
-        );
-    }
-
-    #[test]
-    fn unresolved_fn_return_annotation_does_not_poison_borrowed_body_port() {
-        let dag =
-            match crate::compile_to_dag("fn bad(x: Int) -> MissingType = x", "bad_return_alias.v3")
-            {
-                Err(crate::CompileError::Semantic(dag)) => dag,
-                other => panic!("unknown return type must fail semantically, got {other:?}"),
-            };
-
-        let bind = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Bind(bind) if bind.name == "bad" => Some(bind),
-                _ => None,
-            })
-            .expect("lowering should still emit the function Bind for inspection");
-        let [param_port] = bind.params.as_slice() else {
-            panic!("test function should lower exactly one parameter");
-        };
-
-        assert_ne!(
-            bind.value, *param_port,
-            "invalid return annotation must materialize a function-owned result port"
-        );
-        assert_eq!(
-            dag.port(bind.value).state(),
-            &PortState::Unresolved,
-            "failed return annotation must leave the function Bind value unresolved"
-        );
-        assert_eq!(
-            dag.port(bind.value).value_type(),
-            None,
-            "failed return annotation must not fabricate a TypeShape on the Bind value"
-        );
-
-        let int_shape = dag
-            .int_shape()
-            .expect("bootstrap should expose the Int type shape");
-        assert_eq!(
-            dag.port(*param_port).state(),
-            &PortState::Resolved(int_shape),
-            "return annotation failure must not poison the borrowed parameter port"
-        );
-        assert!(
-            dag.diagnostics().get(*param_port).is_none(),
-            "return annotation diagnostic must stay on the function result port"
-        );
-
-        let diagnostic = dag
-            .diagnostics()
-            .get(bind.value)
-            .expect("Bind value unresolved state must carry the return annotation diagnostic");
-        assert!(
-            matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, .. } if name == "unknown type `MissingType`"
-            ),
-            "expected unknown return type diagnostic on Bind value, got {diagnostic:?}"
-        );
-    }
-
-    #[test]
-    fn unresolved_fn_return_annotation_does_not_poison_outer_scope_body_port() {
-        let dag = match crate::compile_to_dag(
-            "let y: Int = 1\nfn bad() -> MissingType = y",
-            "bad_return_outer_alias.v3",
-        ) {
-            Err(crate::CompileError::Semantic(dag)) => dag,
-            other => panic!("unknown return type must fail semantically, got {other:?}"),
-        };
-
-        let mut bad_bind = None;
-        let mut outer_bind = None;
-        for node in dag.nodes() {
-            if let Behavior::Bind(bind) = node {
-                match bind.name.as_str() {
-                    "bad" => bad_bind = Some(bind),
-                    "y" => outer_bind = Some(bind),
-                    _ => {}
-                }
-            }
-        }
-        let bad_bind = bad_bind.expect("lowering should still emit the bad function Bind");
-        let outer_bind = outer_bind.expect("test setup should lower the outer y binding");
-
-        assert_ne!(
-            bad_bind.value, outer_bind.value,
-            "invalid return annotation must not reuse an outer binding as the function result"
-        );
-        assert_eq!(
-            dag.port(bad_bind.value).state(),
-            &PortState::Unresolved,
-            "failed return annotation must leave the function Bind value unresolved"
-        );
-        assert!(
-            dag.port(bad_bind.value).value_type().is_none(),
-            "failed return annotation must not fabricate a TypeShape on the Bind value"
-        );
-
-        let int_shape = dag
-            .int_shape()
-            .expect("bootstrap should expose the Int type shape");
-        assert_eq!(
-            dag.port(outer_bind.value).state(),
-            &PortState::Resolved(int_shape),
-            "return annotation failure must not poison the outer binding port"
-        );
-        assert!(
-            dag.diagnostics().get(outer_bind.value).is_none(),
-            "return annotation diagnostic must stay on the function result port"
-        );
-
-        let diagnostic = dag
-            .diagnostics()
-            .get(bad_bind.value)
-            .expect("Bind value unresolved state must carry the return annotation diagnostic");
-        assert!(
-            matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, .. } if name == "unknown type `MissingType`"
-            ),
-            "expected unknown return type diagnostic on Bind value, got {diagnostic:?}"
-        );
-    }
-
-    /// Receipt for `Declaration::specialization_parent` on specialized anonymous
-    /// `Disj` copies: the walker in `emit::rust_target` depends on this edge shape.
-    #[test]
-    fn specialize_decl_for_lowering_anonymous_disj_sets_specialization_parent() {
-        let mut dag = Dag::new();
-        let t_param = dag.alloc_declaration_id();
-        dag.push_declaration(Declaration {
-            id: t_param,
-            name: None,
-            connective: TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-            type_params: Vec::new(),
-            phantom_params: Vec::new(),
-            meta_tag: None,
-            specialization_parent: None,
-            inhabits: None,
-            value_body: None,
-            refinement: None,
-            nominal_opacity: None,
-            span: test_span(),
-        });
-        let int_id = dag.int_shape().expect("bootstrap Int").declaration;
-        let template_id = push_test_declaration(
-            &mut dag,
-            "WithT",
-            TypeConnective::Disj {
-                variants: vec![Field {
-                    label: "V".to_string(),
-                    ty: t_param,
-                }],
-            },
-            None,
-        );
-        let specialized = specialize_decl_for_lowering(
-            &mut dag,
-            template_id,
-            &[TemplateArgument {
-                parameter: t_param,
-                value: int_id,
-            }],
-            0,
-        );
-        assert_ne!(
-            specialized, template_id,
-            "substituting T into the variant payload should allocate a fresh Disj"
-        );
-        let anon = dag.declaration(specialized);
-        assert!(anon.name.is_none());
-        assert_eq!(
-            anon.specialization_parent,
-            Some(template_id),
-            "Rust emit recovers the template enum via specialization_parent"
-        );
-        let TypeConnective::Disj { variants } = &anon.connective else {
-            panic!("expected specialized Disj");
-        };
-        assert_eq!(variants.len(), 1);
-        assert_eq!(variants[0].ty, int_id);
-    }
-
-    /// `dsl/std/render.dag` `repeat_string_loop` returns on `remaining <= 0` — empty for n∈{0,−}.
-    #[test]
-    fn fold_repeat_string_semantics_non_positive_n_empty() {
-        assert_eq!(fold_repeat_string_semantics("hi", 0).as_deref(), Some(""));
-        assert_eq!(fold_repeat_string_semantics("hi", -1).as_deref(), Some(""));
-    }
-
-    #[test]
-    fn fold_repeat_string_semantics_gate_witness() {
-        assert_eq!(fold_repeat_string_semantics("x", 3).as_deref(), Some("xxx"));
-    }
-
-    #[test]
-    fn fold_repeat_string_semantics_excess_n_fail_closed() {
-        assert!(
-            fold_repeat_string_semantics("x", super::REPEAT_STRING_FOLD_MAX_COUNT + 1).is_none()
-        );
-    }
-
-    #[test]
-    fn extract_config_patch_layer_operands_accepts_base_and_patch() {
-        let span = test_span();
-        let args = vec![SurfaceExpr::Record {
-            fields: vec![
-                SurfaceRecordField {
-                    name: "base".to_string(),
-                    value: SurfaceExpr::Var {
-                        name: "defaults".to_string(),
-                        span: span.clone(),
-                    },
-                    span: span.clone(),
-                },
-                SurfaceRecordField {
-                    name: "patch".to_string(),
-                    value: SurfaceExpr::Var {
-                        name: "layer0".to_string(),
-                        span: span.clone(),
-                    },
-                    span: span.clone(),
-                },
-            ],
-            span: span.clone(),
-        }];
-        let (base, patch) = extract_config_patch_layer_operands(&args).expect("named operands");
-        assert!(matches!(base, SurfaceExpr::Var { name, .. } if name == "defaults"));
-        assert!(matches!(patch, SurfaceExpr::Var { name, .. } if name == "layer0"));
-    }
-
-    #[test]
-    fn extract_config_patch_layer_operands_rejects_wrong_labels() {
-        let span = test_span();
-        let args = vec![SurfaceExpr::Record {
-            fields: vec![SurfaceRecordField {
-                name: "outer".to_string(),
-                value: SurfaceExpr::Var {
-                    name: "x".to_string(),
-                    span: span.clone(),
-                },
-                span: span.clone(),
-            }],
-            span: span.clone(),
-        }];
-        assert!(extract_config_patch_layer_operands(&args).is_none());
-    }
-
-    #[test]
-    fn extract_config_patch_layer_operands_rejects_missing_base_or_patch() {
-        let span = test_span();
-        let only_base = vec![SurfaceExpr::Record {
-            fields: vec![SurfaceRecordField {
-                name: "base".to_string(),
-                value: SurfaceExpr::Var {
-                    name: "defaults".to_string(),
-                    span: span.clone(),
-                },
-                span: span.clone(),
-            }],
-            span: span.clone(),
-        }];
-        assert!(extract_config_patch_layer_operands(&only_base).is_none());
-    }
-
-    #[test]
-    fn config_patch_record_decl_materializes_for_empty_config_conj() {
-        let mut dag = Dag::new();
-        let empty_cfg = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Conj {
-                children: Vec::new(),
-            },
-        );
-        let field_patch_t_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("PatchT".to_string())),
-        );
-        let field_patch_tpl = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("FieldPatch".to_string()),
-                connective: TypeConnective::Conj {
-                    children: Vec::new(),
-                },
-                type_params: vec![field_patch_t_param],
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_v4_std_patch_span(),
-            });
-            id
-        };
-        let _ = field_patch_tpl;
-        let patch_decl = config_patch_record_decl_for_config(&mut dag, empty_cfg, &test_span())
-            .expect("empty Config");
-        let TypeConnective::Conj { children } = &dag.declaration(patch_decl).connective else {
-            panic!("expected patch record Conj");
-        };
-        assert!(children.is_empty());
-    }
-
-    #[test]
-    fn surface_field_access_expr_projects_call_site_carrier() {
-        let span = test_span();
-        let carrier = SurfaceExpr::Var {
-            name: "defaults".to_string(),
-            span: span.clone(),
-        };
-        let access = surface_field_access_expr(&carrier, "line_length", &span).expect("path");
-        assert!(matches!(
-            access,
-            SurfaceExpr::Path { segments, .. }
-            if segments == ["defaults", "line_length"]
-        ));
-    }
-
-    fn list_instantiation_element(dag: &Dag, list_inst: DeclarationId) -> DeclarationId {
-        let TypeConnective::Instantiation { arguments, .. } =
-            &dag.declaration(list_inst).connective
-        else {
-            panic!("expected List instantiation");
-        };
-        arguments[0].value
-    }
-
-    /// Nested `List<T>` config fields must materialize as `FieldPatch<List<Int>>`, not
-    /// `FieldPatch<List<T>>`, when `ConfigPatchRecord<Config>` is applied to `Config<Int>`.
-    #[test]
-    fn materialize_config_patch_record_substitutes_nested_list_type_param() {
-        let mut dag = Dag::new();
-        let int_id = dag.int_shape().expect("bootstrap Int").declaration;
-        let list_tpl = dag.declaration_by_name("List").expect("bootstrap List").id;
-        let list_tpl_param = template_param_id(&dag, list_tpl, 0).expect("List type param");
-
-        let t_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-        );
-
-        let list_t = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Instantiation {
-                template: list_tpl,
-                arguments: vec![TemplateArgument {
-                    parameter: list_tpl_param,
-                    value: t_param,
-                }],
-            },
-        );
-
-        let config_tpl = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("Cfg".to_string()),
-                connective: TypeConnective::Conj {
-                    children: vec![Field {
-                        label: "magics".to_string(),
-                        ty: list_t,
-                    }],
-                },
-                type_params: vec![t_param],
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_span(),
-            });
-            id
-        };
-
-        let field_patch_t_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("PatchT".to_string())),
-        );
-        let field_patch_tpl = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("FieldPatch".to_string()),
-                connective: TypeConnective::Conj {
-                    children: Vec::new(),
-                },
-                type_params: vec![field_patch_t_param],
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_v4_std_patch_span(),
-            });
-            id
-        };
-
-        let mut symbols = HashMap::new();
-        symbols.insert("Cfg".to_string(), config_tpl);
-        symbols.insert("Int".to_string(), int_id);
-        symbols.insert("FieldPatch".to_string(), field_patch_tpl);
-
-        let span = test_span();
-        let args = [TypeAngleArg::TypeExpr {
-            ty: Box::new(SurfaceType::Parameterized {
-                name: "Cfg".to_string(),
-                args: vec![TypeAngleArg::TypeExpr {
-                    ty: Box::new(SurfaceType::Named {
-                        name: "Int".to_string(),
-                        span: span.clone(),
-                    }),
-                }],
-                span: span.clone(),
-            }),
-        }];
-
-        let patch_conj = materialize_config_patch_record_connective(
-            &mut dag,
-            &symbols,
-            &HashMap::new(),
-            &args,
-            &span,
-        )
-        .expect("Cfg<Int> is a record");
-
-        let TypeConnective::Conj { children } = patch_conj else {
-            panic!("expected patch Conj");
-        };
-        assert_eq!(children.len(), 1);
-        let patch_magics = children[0].ty;
-        let inner = {
-            let TypeConnective::Instantiation { arguments, .. } =
-                &dag.declaration(patch_magics).connective
-            else {
-                panic!("expected FieldPatch instantiation");
-            };
-            arguments[0].value
-        };
-        let list_inner = list_instantiation_element(&dag, inner);
-        assert_eq!(
-            list_inner, int_id,
-            "patch field must be FieldPatch<List<Int>>, not FieldPatch<List<T>>"
-        );
-        assert_ne!(
-            list_inner, t_param,
-            "must not fall back to unspecialized List<T> type param"
-        );
-    }
-
-    /// `ConfigPatchRecord<BlackCfg>` must substitute through a config type alias (`BlackCfg = Cfg<Int>`),
-    /// not only through direct `ConfigPatchRecord<Cfg<Int>>`.
-    #[test]
-    fn materialize_config_patch_record_substitutes_through_config_type_alias() {
-        let mut dag = Dag::new();
-        let int_id = dag.int_shape().expect("bootstrap Int").declaration;
-        let list_tpl = dag.declaration_by_name("List").expect("bootstrap List").id;
-        let list_tpl_param = template_param_id(&dag, list_tpl, 0).expect("List type param");
-        let t_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("T".to_string())),
-        );
-        let list_t = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Instantiation {
-                template: list_tpl,
-                arguments: vec![TemplateArgument {
-                    parameter: list_tpl_param,
-                    value: t_param,
-                }],
-            },
-        );
-        let cfg_tpl = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("Cfg".to_string()),
-                connective: TypeConnective::Conj {
-                    children: vec![Field {
-                        label: "magics".to_string(),
-                        ty: list_t,
-                    }],
-                },
-                type_params: vec![t_param],
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_span(),
-            });
-            id
-        };
-        let cfg_int = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Instantiation {
-                template: cfg_tpl,
-                arguments: vec![TemplateArgument {
-                    parameter: t_param,
-                    value: int_id,
-                }],
-            },
-        );
-        let field_patch_t_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("PatchT".to_string())),
-        );
-        let field_patch_tpl = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("FieldPatch".to_string()),
-                connective: TypeConnective::Conj {
-                    children: Vec::new(),
-                },
-                type_params: vec![field_patch_t_param],
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_v4_std_patch_span(),
-            });
-            id
-        };
-        let config_patch_param = push_anonymous_test_declaration(
-            &mut dag,
-            TypeConnective::Atom(AtomPayload::TypeParam("Config".to_string())),
-        );
-        let config_patch_record_tpl = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("ConfigPatchRecord".to_string()),
-                connective: TypeConnective::Conj {
-                    children: Vec::new(),
-                },
-                type_params: vec![config_patch_param],
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_v4_std_patch_span(),
-            });
-            id
-        };
-
-        let mut symbols = HashMap::new();
-        symbols.insert("Cfg".to_string(), cfg_tpl);
-        symbols.insert("BlackCfg".to_string(), cfg_int);
-        symbols.insert("Int".to_string(), int_id);
-        symbols.insert("FieldPatch".to_string(), field_patch_tpl);
-        symbols.insert("ConfigPatchRecord".to_string(), config_patch_record_tpl);
-
-        let span = test_span();
-        let args = [TypeAngleArg::TypeExpr {
-            ty: Box::new(SurfaceType::Named {
-                name: "BlackCfg".to_string(),
-                span: span.clone(),
-            }),
-        }];
-
-        let patch_conj = materialize_config_patch_record_connective(
-            &mut dag,
-            &symbols,
-            &HashMap::new(),
-            &args,
-            &span,
-        )
-        .expect("alias-bound config lowers to a record");
-
-        let TypeConnective::Conj { children } = patch_conj else {
-            panic!("expected patch Conj");
-        };
-        let patch_magics = children[0].ty;
-        let inner = {
-            let TypeConnective::Instantiation { arguments, .. } =
-                &dag.declaration(patch_magics).connective
-            else {
-                panic!("expected FieldPatch instantiation");
-            };
-            arguments[0].value
-        };
-        let list_inner = list_instantiation_element(&dag, inner);
-        assert_eq!(list_inner, int_id);
-    }
-
-    #[test]
-    fn config_patch_record_materialization_requires_imported_template_name() {
-        let mut dag = Dag::new();
-        let int_id = dag.int_shape().expect("bootstrap Int").declaration;
-        let field_patch_tpl = dag.declaration_by_name("FieldPatch");
-        let field_patch_tpl = if let Some(decl) = field_patch_tpl {
-            decl.id
-        } else {
-            push_anonymous_test_declaration(
-                &mut dag,
-                TypeConnective::Conj {
-                    children: Vec::new(),
-                },
-            )
-        };
-        let mut symbols = HashMap::new();
-        symbols.insert("Int".to_string(), int_id);
-        symbols.insert("FieldPatch".to_string(), field_patch_tpl);
-        // Deliberately omit `ConfigPatchRecord` from symbols — surface spelling alone must not run
-        // the projection hook.
-
-        let span = test_span();
-        let ty = SurfaceType::Parameterized {
-            name: "ConfigPatchRecord".to_string(),
-            args: vec![TypeAngleArg::TypeExpr {
-                ty: Box::new(SurfaceType::Named {
-                    name: "Int".to_string(),
-                    span: span.clone(),
-                }),
-            }],
-            span: span.clone(),
-        };
-
-        assert!(
-            !surface_parameterized_name_resolves_to_template(
-                &dag,
-                &symbols,
-                &HashMap::new(),
-                "ConfigPatchRecord",
-                "ConfigPatchRecord",
-            ),
-            "unimported surface name must not match the patch template"
-        );
-
-        let connective = type_to_connective(&ty, &symbols, &HashMap::new(), &mut dag);
-        assert!(
-            matches!(
-                connective,
-                TypeConnective::Instantiation { .. }
-                    | TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            ),
-            "expected ordinary instantiation/stub, not materialized patch Conj, got {connective:?}"
-        );
-        assert!(
-            !matches!(connective, TypeConnective::Conj { .. }),
-            "must not materialize without imported ConfigPatchRecord template"
-        );
-    }
-
-    #[test]
-    fn surface_parameterized_name_requires_v4_std_patch_authority() {
-        let mut dag = Dag::new();
-        let homograph = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("ConfigPatchRecord".to_string()),
-                connective: TypeConnective::Conj {
-                    children: Vec::new(),
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_span(),
-            });
-            id
-        };
-        let canonical = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("ConfigPatchRecord".to_string()),
-                connective: TypeConnective::Conj {
-                    children: Vec::new(),
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_v4_std_patch_span(),
-            });
-            id
-        };
-        let mut symbols = HashMap::new();
-        symbols.insert("ConfigPatchRecord".to_string(), homograph);
-        assert!(
-            !surface_parameterized_name_resolves_to_template(
-                &dag,
-                &symbols,
-                &HashMap::new(),
-                "ConfigPatchRecord",
-                "ConfigPatchRecord",
-            ),
-            "same-named non-patch.dag declaration must not authorize projection"
-        );
-        symbols.insert("ConfigPatchRecord".to_string(), canonical);
-        assert!(surface_parameterized_name_resolves_to_template(
-            &dag,
-            &symbols,
-            &HashMap::new(),
-            "ConfigPatchRecord",
-            "ConfigPatchRecord",
-        ));
-    }
-
-    #[test]
-    fn callable_is_v4_std_patch_config_patch_layer_rejects_homograph() {
-        let mut dag = Dag::new();
-        let patch_span = test_v4_std_patch_span();
-        let homograph = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("config_patch_layer".to_string()),
-                connective: TypeConnective::Arrow {
-                    inputs: Vec::new(),
-                    output: dag.int_shape().expect("Int").declaration,
-                    body: ArrowBody::NoBody,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: test_span(),
-            });
-            id
-        };
-        let canonical = {
-            let id = dag.alloc_declaration_id();
-            dag.push_declaration(Declaration {
-                id,
-                name: Some("config_patch_layer".to_string()),
-                connective: TypeConnective::Arrow {
-                    inputs: Vec::new(),
-                    output: dag.int_shape().expect("Int").declaration,
-                    body: ArrowBody::NoBody,
-                },
-                type_params: Vec::new(),
-                phantom_params: Vec::new(),
-                meta_tag: None,
-                specialization_parent: None,
-                inhabits: None,
-                value_body: None,
-                refinement: None,
-                nominal_opacity: None,
-                span: patch_span.clone(),
-            });
-            id
-        };
-        assert!(!callable_is_v4_std_patch_config_patch_layer(
-            &dag, homograph
-        ));
-        assert!(callable_is_v4_std_patch_config_patch_layer(&dag, canonical));
-    }
-}
diff --git a/src/v3/compiler/src/lower_helpers_generated.rs b/src/v3/compiler/src/lower_helpers_generated.rs
deleted file mode 100644
index 840ef11333d..00000000000
--- a/src/v3/compiler/src/lower_helpers_generated.rs
+++ /dev/null
@@ -1,227 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/lower_helpers.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-pub fn expr_span(p0: &parse_surface::SurfaceExpr) -> SourceByteSpan {
-    match p0 {
-        SurfaceExpr::Literal {
-            value: __e_value,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Var {
-            name: __e_name,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Path {
-            segments: __e_segments,
-            segment_spans: __e_segment_spans,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Call {
-            target: __e_target,
-            args: __e_args,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::VariantRecord {
-            target: __e_target,
-            fields: __e_fields,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Operator {
-            op: __e_op,
-            args: __e_args,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Lambda {
-            params: __e_params,
-            body: __e_body,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::If {
-            cond: __e_cond,
-            then_branch: __e_then_branch,
-            else_branch: __e_else_branch,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Match {
-            scrutinee: __e_scrutinee,
-            arms: __e_arms,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Record {
-            fields: __e_fields,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::List {
-            elements: __e_elements,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::Map {
-            entries: __e_entries,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-        SurfaceExpr::PathCall {
-            segments: __e_segments,
-            segment_spans: __e_segment_spans,
-            args: __e_args,
-            span: __e_span,
-        } => SourceByteSpan {
-            byte_start: (__e_span).byte_start,
-            byte_end: (__e_span).byte_end,
-        },
-    }
-}
-pub fn item_span(p0: &parse_surface::SurfaceItem) -> SourceByteSpan {
-    match p0 {
-        SurfaceItem::Let {
-            name: __i_name,
-            type_ann: __i_type_ann,
-            expr: __i_expr,
-        } => expr_span(__i_expr),
-        SurfaceItem::Fn {
-            name: __i_name,
-            type_params: __i_type_params,
-            params: __i_params,
-            return_type: __i_return_type,
-            body: __i_body,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::FnExternalBody {
-            name: __i_name,
-            type_params: __i_type_params,
-            params: __i_params,
-            return_type: __i_return_type,
-            body_span: __i_body_span,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::Data {
-            name: __i_name,
-            ty: __i_ty,
-            body: __i_body,
-            body_span: __i_body_span,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::Module {
-            path: __i_path,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::Import {
-            path: __i_path,
-            names: __i_names,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::TypeAtom {
-            name: __i_name,
-            type_params: __i_type_params,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::TypeRecord {
-            name: __i_name,
-            type_params: __i_type_params,
-            fields: __i_fields,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::TypeSum {
-            name: __i_name,
-            type_params: __i_type_params,
-            variants: __i_variants,
-            inhabits: __i_inhabits,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-        SurfaceItem::TypeAlias {
-            name: __i_name,
-            type_params: __i_type_params,
-            nominal_opaque: __i_nominal_opaque,
-            target: __i_target,
-            refinement: __i_refinement,
-            span: __i_span,
-        } => SourceByteSpan {
-            byte_start: (__i_span).byte_start,
-            byte_end: (__i_span).byte_end,
-        },
-    }
-}
-pub fn pattern_binding_names(p0: &parse_surface::SurfacePattern) -> Vec<String> {
-    match p0 {
-        SurfacePattern::BareVariant { name: _, span: _ } => Vec::new(),
-        SurfacePattern::VariantWith {
-            name: __v_name,
-            binding: __v_binding,
-            span: __v_span,
-        } => vec![(__v_binding).clone()],
-        SurfacePattern::VariantFields {
-            name: __v_name,
-            fields: __v_fields,
-            span: __v_span,
-        } => pattern_field_bindings(__v_fields),
-    }
-}
-pub fn pattern_field_bindings(p0: &[parse_surface::SurfacePatternField]) -> Vec<String> {
-    match p0 {
-        [] => Vec::new(),
-        [__list_head, __list_tail @ ..] => {
-            let mut __list = pattern_field_bindings(__list_tail);
-            __list.insert(0, ((__list_head).binding).clone());
-            __list
-        }
-    }
-}
diff --git a/src/v3/compiler/src/memory_peak_cost.rs b/src/v3/compiler/src/memory_peak_cost.rs
deleted file mode 100644
index e4a0603eb7c..00000000000
--- a/src/v3/compiler/src/memory_peak_cost.rs
+++ /dev/null
@@ -1,132 +0,0 @@
-//! Memory-peak composition for the symbolic cost lens (gate #94 — `memory_peak_cost_basis_demonstrated`).
-//!
-//! Work-style costs compose with `sequential` / `iterate` (time adds, loops multiply). Memory
-//! **peak** over alternative control-flow paths uses **max**, not sum — see
-//! `docs/design-lens-application-surface.md` §4.3 and
-//! `docs/audit/t-user-authored-cost-basis-discipline-worked-examples.md` (worked example 2).
-//!
-//! This module is the interim **cost-lens-owned** Rust authority until class-5 bodies can name
-//! memory-dimension folds in `v3.std.algebra` and until the `EnforcedApplication` fold consumes
-//! `apply_lens(cost, …)` sites end-to-end (`docs/r3-program-plan.md` gate #91 consumer).
-
-use crate::dag::{dominates, max_path, SymbolicCost};
-
-/// Peak memory across **alternative** control-flow possibilities (typically **branch arms**):
-/// asymptotic **`max`/dominance** of the modeled arm peaks—the same **`dominant` → `max_path`**
-/// basis used for branch sibling arms in `src/v3/lenses/cost.dag`.
-///
-/// This is **not** work-style sequencing (`sequential` / sum along a single path). Separate
-/// composition rules apply when allocations **overlap** in time (live-range overlap)—not modeled
-/// here; callers encode overlap facts in the composed `SymbolicCost` before invoking this helper.
-#[must_use]
-pub fn compose_branch_memory_peak(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost {
-    max_path(&[a, b])
-}
-
-/// Enforce-mode lens check: observed peak **exceeds** the user-declared budget.
-///
-/// Aligns with `LensEnforcement.violates(declared_budget, projected)` (`src/v3/std/lens_application.dag`):
-/// per substrate comment, **`violates` is true iff observed EXCEEDS the budget** — **reflexive**
-/// dominance must **not** count as violation (equality is compliant).
-///
-/// Under the **`SymbolicCost` partial order** ([`dominates`]), **`declared_budget` dominates
-/// `observed_peak`** means the budget asymptotically **covers** the peak (budget is looser /
-/// tying on the declared bound). **`!dominates(budget, peak)`** therefore means the contract is
-/// not certified: **strict exceed** where comparable, and **fail-closed** wherever the order is
-/// **incomparable** (distinct size variables without a dominance edge).
-#[must_use]
-pub fn memory_peak_enforcement_violates(
-    declared_budget: &SymbolicCost,
-    observed_peak: &SymbolicCost,
-) -> bool {
-    !dominates(declared_budget, observed_peak)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::dag::{max_path, DegreeAtLeastTwo, PortId, SizeVariable};
-
-    fn var(p: PortId) -> SizeVariable {
-        // Mirrors `unnamed_size_variable` / absent `display_name`; substrate lists BOTH fields at
-        // `src/v3/std/algebra.dag` (`type SizeVariable { source_port display_name?: String }`).
-        SizeVariable {
-            source_port: p,
-            display_name: None,
-        }
-    }
-
-    #[test]
-    fn compose_branch_memory_peak_delegates_to_max_path() {
-        // Pin the authoritative composition operator: branch / peak merges must not drift.
-        let p0 = PortId::test_raw(110);
-        let p1 = PortId::test_raw(111);
-        let a = SymbolicCost::LinearCost { _0: var(p0) };
-        let b = SymbolicCost::LogCost { _0: var(p1) };
-        assert_eq!(
-            compose_branch_memory_peak(a.clone(), b.clone()),
-            max_path(&[a, b])
-        );
-    }
-
-    #[test]
-    fn enforcement_violates_when_peak_exceeds_budget() {
-        let p = PortId::test_raw(200);
-        let n = var(p);
-        let budget = SymbolicCost::LogCost { _0: n.clone() };
-        let peak = SymbolicCost::LinearCost { _0: n };
-        assert!(memory_peak_enforcement_violates(&budget, &peak));
-    }
-
-    #[test]
-    fn enforcement_clean_when_budget_covers_peak() {
-        let p = PortId::test_raw(201);
-        let n = var(p);
-        let budget = SymbolicCost::LinearCost { _0: n.clone() };
-        let peak = SymbolicCost::LogCost { _0: n };
-        assert!(!memory_peak_enforcement_violates(&budget, &peak));
-    }
-
-    #[test]
-    fn enforcement_clean_when_budget_ties_observed_peak_under_dominance() {
-        let p = PortId::test_raw(202);
-        let n = var(p);
-        let cost = SymbolicCost::LinearCost { _0: n.clone() };
-        assert!(
-            !memory_peak_enforcement_violates(&cost, &SymbolicCost::LinearCost { _0: n }),
-            "reflexive asymptotic pairs must not violate (EXCEEDS is strict over = in the contract)"
-        );
-    }
-
-    #[test]
-    fn enforcement_violates_on_incomparable_size_variables_fail_closed() {
-        let a = SymbolicCost::LinearCost {
-            _0: var(PortId::test_raw(203)),
-        };
-        let b = SymbolicCost::LinearCost {
-            _0: var(PortId::test_raw(204)),
-        };
-        assert!(
-            memory_peak_enforcement_violates(&a, &b),
-            "incomparable `LinearCost` keys must not pass Enforce silently"
-        );
-    }
-
-    #[test]
-    fn branch_style_peak_over_two_quadratic_arms_normalizes_budget_sharpness_check() {
-        let p = PortId::test_raw(300);
-        let n = var(p);
-        let q = SymbolicCost::PolynomialCost {
-            var: n.clone(),
-            degree: DegreeAtLeastTwo::TWO,
-        };
-        let peak_branch = compose_branch_memory_peak(q.clone(), q);
-        assert!(
-            memory_peak_enforcement_violates(
-                &SymbolicCost::LinearCost { _0: n.clone() },
-                &peak_branch
-            ),
-            "O(n²) peak should exceed O(n) declared budget",
-        );
-    }
-}
diff --git a/src/v3/compiler/src/omni_shape_b_openapi.rs b/src/v3/compiler/src/omni_shape_b_openapi.rs
deleted file mode 100644
index 6d26c5606be..00000000000
--- a/src/v3/compiler/src/omni_shape_b_openapi.rs
+++ /dev/null
@@ -1,850 +0,0 @@
-//! Shape B OpenAPI and documentation demonstration helpers.
-//!
-//! OpenAPI and Markdown are deliberately not compiler emit targets: Shape B
-//! artifacts are user-program outputs derived from a compiled DAG, while
-//! `emit.rs` remains scoped to Shape A programming-language targets. This
-//! module provides the narrow Rust-side receipt used by the R3 demo until the
-//! equivalent `.dag` programs can own the artifact projections.
-//!
-//! P5 bridge bound: `project_openapi_yaml`, `project_markdown_documentation`,
-//! `project_sql_ddl_schema`, and `project_rust_backend_service` are one fixture-scoped R3
-//! T-Omni-Shape-B receipt over `RestEndpointBinding` rows. They are not new
-//! compiler targets and must not grow into a general backend framework.
-//! Dissolution trigger: queued brief
-//! `docs/briefs/r3-omni-openapi-backend-bridge-dissolution.md`.
-
-use std::collections::{BTreeMap, BTreeSet};
-use std::fmt::Write as _;
-
-use crate::dag::{
-    Declaration, DeclarationId, FieldValue, HttpMethodScalar, LiteralBits, TypeConnective,
-    ValueBody,
-};
-use crate::Dag;
-
-#[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
-pub struct RestRoute {
-    pub method: HttpMethodScalar,
-    pub path: String,
-    pub path_parameters: Vec<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum ProjectOpenApiError {
-    MalformedOperation { declaration: String, detail: String },
-}
-
-#[derive(Debug, Clone, Copy)]
-struct RestRouteSchema {
-    http_method: DeclarationId,
-    url_path_token: DeclarationId,
-}
-
-pub fn extract_rest_routes(dag: &Dag) -> Result<BTreeSet<RestRoute>, ProjectOpenApiError> {
-    let rest_endpoint_binding = canonical_rest_endpoint_binding(dag);
-    let mut routes = BTreeSet::new();
-    for decl in dag.declarations() {
-        let Some(ValueBody::List(rows)) = &decl.value_body else {
-            continue;
-        };
-        let Some(schema) = rest_route_schema(dag, decl, rest_endpoint_binding)? else {
-            continue;
-        };
-        for row in rows {
-            let fields = record_fields(row).ok_or_else(|| {
-                malformed(
-                    decl.name.as_deref(),
-                    "service operation rows must be records",
-                )
-            })?;
-            let endpoint = record_field(fields, "endpoint").ok_or_else(|| {
-                malformed(
-                    decl.name.as_deref(),
-                    "service operation row missing `endpoint` field",
-                )
-            })?;
-            let endpoint_fields = require_record(
-                decl.name.as_deref().unwrap_or("<anonymous>"),
-                "endpoint",
-                endpoint,
-            )?;
-            let method = parse_http_method(
-                dag,
-                schema,
-                decl.name.as_deref().unwrap_or("<anonymous>"),
-                record_field(endpoint_fields, "method").ok_or_else(|| {
-                    malformed(decl.name.as_deref(), "endpoint missing `method` field")
-                })?,
-            )?;
-            let path = parse_path_template(
-                dag,
-                schema,
-                decl.name.as_deref().unwrap_or("<anonymous>"),
-                record_field(endpoint_fields, "path").ok_or_else(|| {
-                    malformed(decl.name.as_deref(), "endpoint missing `path` field")
-                })?,
-            )?;
-            routes.insert(RestRoute {
-                method,
-                path: path.path,
-                path_parameters: path.parameters,
-            });
-        }
-    }
-    Ok(routes)
-}
-
-fn rest_route_schema(
-    dag: &Dag,
-    decl: &Declaration,
-    rest_endpoint_binding: Option<DeclarationId>,
-) -> Result<Option<RestRouteSchema>, ProjectOpenApiError> {
-    let Some(element) = list_element_type(dag, decl) else {
-        return Ok(None);
-    };
-    let TypeConnective::Conj { children } = &dag.declaration(element).connective else {
-        return Ok(None);
-    };
-    let Some(endpoint_field) = children.iter().find(|field| field.label == "endpoint") else {
-        return Ok(None);
-    };
-    if Some(endpoint_field.ty) != rest_endpoint_binding {
-        return Ok(None);
-    }
-    let TypeConnective::Conj { children } = &dag.declaration(endpoint_field.ty).connective else {
-        return Ok(None);
-    };
-    let Some(method_ty) = field_type(children, "method") else {
-        return Err(malformed(
-            decl.name.as_deref(),
-            "RestEndpointBinding missing `method` field",
-        ));
-    };
-    let Some(path_ty) = field_type(children, "path") else {
-        return Err(malformed(
-            decl.name.as_deref(),
-            "RestEndpointBinding missing `path` field",
-        ));
-    };
-
-    let TypeConnective::Conj { children } = &dag.declaration(path_ty).connective else {
-        return Err(malformed(
-            decl.name.as_deref(),
-            "endpoint.path type must be a PathTemplate record",
-        ));
-    };
-    let Some(tokens_ty) = field_type(children, "tokens") else {
-        return Err(malformed(
-            decl.name.as_deref(),
-            "PathTemplate missing `tokens` field",
-        ));
-    };
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &dag.declaration(tokens_ty).connective
-    else {
-        return Err(malformed(
-            decl.name.as_deref(),
-            "PathTemplate.tokens must be a List",
-        ));
-    };
-    if Some(*template) != dag.list_template() {
-        return Err(malformed(
-            decl.name.as_deref(),
-            "PathTemplate.tokens must use the canonical List template",
-        ));
-    }
-    let Some(url_path_token_ty) = arguments.first().map(|arg| arg.value) else {
-        return Err(malformed(
-            decl.name.as_deref(),
-            "PathTemplate.tokens missing element type",
-        ));
-    };
-
-    Ok(Some(RestRouteSchema {
-        http_method: method_ty,
-        url_path_token: url_path_token_ty,
-    }))
-}
-
-fn canonical_rest_endpoint_binding(dag: &Dag) -> Option<DeclarationId> {
-    let mut matches = dag.declarations().iter().filter(|decl| {
-        decl.name.as_deref() == Some("RestEndpointBinding")
-            && decl.span.file == "src/v3/std/services.dag"
-    });
-    let id = matches.next()?.id;
-    if matches.next().is_some() {
-        None
-    } else {
-        Some(id)
-    }
-}
-
-fn list_element_type(dag: &Dag, decl: &Declaration) -> Option<DeclarationId> {
-    match &decl.connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if Some(*template) == dag.list_template() => arguments.first().map(|arg| arg.value),
-        _ => None,
-    }
-}
-
-pub fn project_openapi_yaml(dag: &Dag) -> Result<String, ProjectOpenApiError> {
-    let routes = extract_rest_routes(dag)?;
-    let mut out = String::from(
-        "openapi: 3.1.0\ninfo:\n  title: GunBC generated service\n  version: 0.1.0\npaths:\n",
-    );
-    if routes.is_empty() {
-        out.push_str("  {}\n");
-        return Ok(out);
-    }
-
-    let mut routes_by_path: BTreeMap<&str, Vec<&RestRoute>> = BTreeMap::new();
-    for route in &routes {
-        routes_by_path
-            .entry(route.path.as_str())
-            .or_default()
-            .push(route);
-    }
-
-    for (path, path_routes) in routes_by_path {
-        out.push_str("  ");
-        out.push_str(&yaml_quoted(path));
-        out.push_str(":\n");
-        for route in path_routes {
-            out.push_str("    ");
-            out.push_str(&route.method.token().to_ascii_lowercase());
-            out.push_str(":\n      operationId: ");
-            out.push_str(&yaml_plain_operation_id(route.method, &route.path));
-            if !route.path_parameters.is_empty() {
-                out.push_str("\n      parameters:\n");
-                for parameter in &route.path_parameters {
-                    append_path_parameter_yaml(&mut out, parameter);
-                }
-            }
-            out.push_str("\n      responses:\n        '200':\n          description: OK\n");
-        }
-    }
-    Ok(out)
-}
-
-pub fn project_markdown_documentation(dag: &Dag) -> Result<String, ProjectOpenApiError> {
-    let routes = extract_rest_routes(dag)?;
-    let mut out = String::from(
-        "# GunBC generated service\n\n| Method | Path | Path parameters |\n| --- | --- | --- |\n",
-    );
-    if routes.is_empty() {
-        out.push_str("| _none_ | _none_ | _none_ |\n");
-        return Ok(out);
-    }
-    for route in routes {
-        out.push_str("| ");
-        out.push_str(&markdown_table_cell(route.method.token()));
-        out.push_str(" | ");
-        out.push_str(&markdown_code_span_table_cell(&route.path));
-        out.push_str(" | ");
-        if route.path_parameters.is_empty() {
-            out.push_str("_none_");
-        } else {
-            for (index, parameter) in route.path_parameters.iter().enumerate() {
-                if index > 0 {
-                    out.push_str(", ");
-                }
-                out.push_str(&markdown_code_span_table_cell(parameter));
-            }
-        }
-        out.push_str(" |\n");
-    }
-    Ok(out)
-}
-
-pub fn project_sql_ddl_schema(dag: &Dag) -> Result<String, ProjectOpenApiError> {
-    let routes = extract_rest_routes(dag)?;
-    let mut methods = BTreeSet::new();
-    for route in &routes {
-        methods.insert(route.method);
-    }
-
-    let mut out = String::from(
-        "-- GunBC generated service route schema.\n\
-         -- Shape B SQL DDL projection; not a compiler target.\n\
-         CREATE TABLE omni_service_routes (\n\
-           method TEXT NOT NULL,\n\
-           path_template TEXT NOT NULL,\n",
-    );
-    if !methods.is_empty() {
-        out.push_str("  CHECK (method IN (");
-        for (index, method) in methods.iter().enumerate() {
-            if index > 0 {
-                out.push_str(", ");
-            }
-            out.push_str(&sql_string_literal(method.token()));
-        }
-        out.push_str(")),\n");
-    }
-    out.push_str(
-        "  PRIMARY KEY (method, path_template)\n\
-         );\n",
-    );
-    if routes.is_empty() {
-        out.push_str("\n-- no routes declared\n");
-        return Ok(out);
-    }
-    out.push_str("\nINSERT INTO omni_service_routes (method, path_template) VALUES\n");
-    for (index, route) in routes.iter().enumerate() {
-        out.push_str("  (");
-        out.push_str(&sql_string_literal(route.method.token()));
-        out.push_str(", ");
-        out.push_str(&sql_string_literal(&route.path));
-        out.push(')');
-        if index + 1 == routes.len() {
-            out.push_str(";\n");
-        } else {
-            out.push_str(",\n");
-        }
-    }
-    Ok(out)
-}
-
-/// Emits the narrow runnable-backend side of the R3 omni OpenAPI demo.
-///
-/// This is deliberately fixture-scoped bridge code. It consumes the same
-/// canonical `RestRoute` projection as OpenAPI/Markdown to prove the full-stack
-/// same-DAG property now, then dissolves via
-/// `docs/briefs/r3-omni-openapi-backend-bridge-dissolution.md`.
-pub fn project_rust_backend_service(dag: &Dag) -> Result<String, ProjectOpenApiError> {
-    let routes = extract_rest_routes(dag)?;
-    let mut out = String::from(
-        r#"use std::io::{Read, Write};
-use std::net::TcpListener;
-
-#[derive(Clone, Copy)]
-struct Route {
-    method: &'static str,
-    path: &'static str,
-}
-
-const ROUTES: &[Route] = &[
-"#,
-    );
-    for route in &routes {
-        out.push_str("    Route { method: ");
-        out.push_str(&rust_string_literal(route.method.token()));
-        out.push_str(", path: ");
-        out.push_str(&rust_string_literal(&route.path));
-        out.push_str(" },\n");
-    }
-    out.push_str(
-        r#"];
-
-fn route_status(method: &str, path: &str) -> u16 {
-    if ROUTES
-        .iter()
-        .any(|route| route.method == method && path_matches(route.path, path))
-    {
-        200
-    } else {
-        404
-    }
-}
-
-fn path_matches(template: &str, path: &str) -> bool {
-    let template = strip_leading_slash(template);
-    let path = strip_leading_slash(path);
-    let template_parts: Vec<_> = template.split('/').collect();
-    let path_parts: Vec<_> = path.split('/').collect();
-    if template_parts.len() != path_parts.len() {
-        return false;
-    }
-    template_parts
-        .iter()
-        .zip(path_parts.iter())
-        .all(|(template_part, path_part)| segment_matches(template_part, path_part))
-}
-
-fn strip_leading_slash(value: &str) -> &str {
-    value.strip_prefix('/').unwrap_or(value)
-}
-
-fn segment_matches(template: &str, path: &str) -> bool {
-    let mut remainder = path;
-    let mut rest = template;
-    while let Some(start) = rest.find('{') {
-        let literal = &rest[..start];
-        if !remainder.starts_with(literal) {
-            return false;
-        }
-        remainder = &remainder[literal.len()..];
-        let after_open = &rest[start + 1..];
-        let Some(end) = after_open.find('}') else {
-            return false;
-        };
-        let after_param = &after_open[end + 1..];
-        if let Some(next_literal_start) = after_param.find('{') {
-            let next_literal = &after_param[..next_literal_start];
-            if next_literal.is_empty() {
-                return false;
-            }
-            let Some(boundary) = remainder.find(next_literal) else {
-                return false;
-            };
-            let param_value = &remainder[..boundary];
-            if !slash_free_non_empty(param_value) {
-                return false;
-            }
-            remainder = &remainder[boundary..];
-            rest = after_param;
-        } else {
-            if after_param.is_empty() {
-                return slash_free_non_empty(remainder);
-            }
-            let Some(value) = remainder.strip_suffix(after_param) else {
-                return false;
-            };
-            return slash_free_non_empty(value);
-        }
-    }
-    remainder == rest
-}
-
-fn slash_free_non_empty(value: &str) -> bool {
-    !value.is_empty() && !value.contains('/')
-}
-
-fn respond(request: &str) -> String {
-    let request_line = request.lines().next().unwrap_or("");
-    let mut parts = request_line.split_whitespace();
-    let method = parts.next().unwrap_or("");
-    let path = parts.next().unwrap_or("");
-    let status = route_status(method, path);
-    let reason = if status == 200 { "OK" } else { "Not Found" };
-    format!("HTTP/1.1 {status} {reason}\r\ncontent-length: 0\r\n\r\n")
-}
-
-fn serve(addr: &str) -> std::io::Result<()> {
-    let listener = TcpListener::bind(addr)?;
-    for stream in listener.incoming() {
-        let mut stream = stream?;
-        let mut request = [0_u8; 2048];
-        let bytes = stream.read(&mut request)?;
-        let response = respond(&String::from_utf8_lossy(&request[..bytes]));
-        stream.write_all(response.as_bytes())?;
-    }
-    Ok(())
-}
-
-fn main() {
-    let args: Vec<String> = std::env::args().collect();
-    match args.as_slice() {
-        [_, flag, method, path] if flag == "--probe" => {
-            println!("{}", route_status(method, path));
-        }
-        [_, flag, addr] if flag == "--serve" => {
-            serve(addr).expect("serve backend");
-        }
-        _ => {
-            for route in ROUTES {
-                println!("{} {}", route.method, route.path);
-            }
-        }
-    }
-}
-"#,
-    );
-    Ok(out)
-}
-
-fn append_path_parameter_yaml(out: &mut String, parameter: &str) {
-    out.push_str("        - name: ");
-    out.push_str(&yaml_double_quoted(parameter));
-    out.push_str(
-        "\n          in: path\n          required: true\n          schema:\n            type: string\n",
-    );
-}
-
-fn malformed(declaration: Option<&str>, detail: impl Into<String>) -> ProjectOpenApiError {
-    ProjectOpenApiError::MalformedOperation {
-        declaration: declaration.unwrap_or("<anonymous>").to_string(),
-        detail: detail.into(),
-    }
-}
-
-fn record_fields(value: &FieldValue) -> Option<&[(String, FieldValue)]> {
-    match value {
-        FieldValue::Record(fields) => Some(fields.as_slice()),
-        _ => None,
-    }
-}
-
-fn require_record<'a>(
-    declaration: &str,
-    field: &str,
-    value: &'a FieldValue,
-) -> Result<&'a [(String, FieldValue)], ProjectOpenApiError> {
-    record_fields(value).ok_or_else(|| ProjectOpenApiError::MalformedOperation {
-        declaration: declaration.to_string(),
-        detail: format!("`{field}` must be a record"),
-    })
-}
-
-fn record_field<'a>(fields: &'a [(String, FieldValue)], label: &str) -> Option<&'a FieldValue> {
-    fields.iter().find(|(l, _)| l == label).map(|(_, v)| v)
-}
-
-fn field_type(fields: &[crate::dag::Field], label: &str) -> Option<DeclarationId> {
-    fields
-        .iter()
-        .find(|field| field.label == label)
-        .map(|field| field.ty)
-}
-
-fn parse_http_method(
-    dag: &Dag,
-    schema: RestRouteSchema,
-    declaration: &str,
-    value: &FieldValue,
-) -> Result<HttpMethodScalar, ProjectOpenApiError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(ProjectOpenApiError::MalformedOperation {
-            declaration: declaration.to_string(),
-            detail: "`endpoint.method` must be an HttpMethod variant".to_string(),
-        });
-    };
-    if !payload.is_empty() {
-        return Err(ProjectOpenApiError::MalformedOperation {
-            declaration: declaration.to_string(),
-            detail: "HttpMethod variants must not carry payload".to_string(),
-        });
-    }
-    let label =
-        variant_label_in_parent(dag, schema.http_method, *constructor).ok_or_else(|| {
-            ProjectOpenApiError::MalformedOperation {
-                declaration: declaration.to_string(),
-                detail: "HttpMethod constructor is not a variant of HttpMethod".to_string(),
-            }
-        })?;
-    HttpMethodScalar::from_token(&label).ok_or_else(|| ProjectOpenApiError::MalformedOperation {
-        declaration: declaration.to_string(),
-        detail: "HttpMethod constructor is outside the modeled HTTP method set".to_string(),
-    })
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-struct ParsedPathTemplate {
-    path: String,
-    parameters: Vec<String>,
-}
-
-fn parse_path_template(
-    dag: &Dag,
-    schema: RestRouteSchema,
-    declaration: &str,
-    value: &FieldValue,
-) -> Result<ParsedPathTemplate, ProjectOpenApiError> {
-    let fields = require_record(declaration, "endpoint.path", value)?;
-    let tokens =
-        record_field(fields, "tokens").ok_or_else(|| ProjectOpenApiError::MalformedOperation {
-            declaration: declaration.to_string(),
-            detail: "PathTemplate missing `tokens` field".to_string(),
-        })?;
-    let FieldValue::List(tokens) = tokens else {
-        return Err(ProjectOpenApiError::MalformedOperation {
-            declaration: declaration.to_string(),
-            detail: "PathTemplate.tokens must be a list".to_string(),
-        });
-    };
-    let mut pieces = Vec::with_capacity(tokens.len());
-    let mut parameters = Vec::new();
-    for token in tokens {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = token
-        else {
-            return Err(ProjectOpenApiError::MalformedOperation {
-                declaration: declaration.to_string(),
-                detail: "PathTemplate token must be a UrlPathToken variant".to_string(),
-            });
-        };
-        let label =
-            variant_label_in_parent(dag, schema.url_path_token, *constructor).ok_or_else(|| {
-                ProjectOpenApiError::MalformedOperation {
-                    declaration: declaration.to_string(),
-                    detail: "token constructor is not a variant of UrlPathToken".to_string(),
-                }
-            })?;
-        let text = single_string_payload(payload).ok_or_else(|| {
-            ProjectOpenApiError::MalformedOperation {
-                declaration: declaration.to_string(),
-                detail: format!("{label} token payload must contain one string"),
-            }
-        })?;
-        match label.as_str() {
-            "LiteralToken" => pieces.push(text),
-            "ParamToken" => {
-                pieces.push(format!("{{{text}}}"));
-                parameters.push(text);
-            }
-            other => {
-                return Err(ProjectOpenApiError::MalformedOperation {
-                    declaration: declaration.to_string(),
-                    detail: format!("unsupported UrlPathToken variant `{other}`"),
-                })
-            }
-        }
-    }
-    let path = pieces.concat();
-    Ok(ParsedPathTemplate {
-        path: if path.starts_with('/') {
-            path
-        } else {
-            format!("/{path}")
-        },
-        parameters,
-    })
-}
-
-fn variant_label_in_parent(
-    dag: &Dag,
-    parent: DeclarationId,
-    constructor: DeclarationId,
-) -> Option<String> {
-    let TypeConnective::Disj { variants } = &dag.declaration(parent).connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == constructor)
-        .map(|variant| variant.label.clone())
-}
-
-fn single_string_payload(payload: &[FieldValue]) -> Option<String> {
-    let [value] = payload else {
-        return None;
-    };
-    match value {
-        FieldValue::Literal(LiteralBits::String(value)) => Some(value.clone()),
-        FieldValue::Record(fields) => fields.iter().find_map(|(label, value)| {
-            if label == "text" || label == "name" {
-                match value {
-                    FieldValue::Literal(LiteralBits::String(value)) => Some(value.clone()),
-                    _ => None,
-                }
-            } else {
-                None
-            }
-        }),
-        _ => None,
-    }
-}
-
-fn yaml_quoted(value: &str) -> String {
-    format!("'{}'", value.replace('\'', "''"))
-}
-
-fn sql_string_literal(value: &str) -> String {
-    format!("'{}'", value.replace('\'', "''"))
-}
-
-fn rust_string_literal(value: &str) -> String {
-    let mut literal = String::from("\"");
-    for ch in value.chars() {
-        match ch {
-            '\\' => literal.push_str("\\\\"),
-            '"' => literal.push_str("\\\""),
-            '\n' => literal.push_str("\\n"),
-            '\r' => literal.push_str("\\r"),
-            '\t' => literal.push_str("\\t"),
-            other if other.is_control() => {
-                write!(&mut literal, "\\u{{{:X}}}", other as u32).expect("write to String");
-            }
-            other => literal.push(other),
-        }
-    }
-    literal.push('"');
-    literal
-}
-
-fn yaml_double_quoted(value: &str) -> String {
-    let mut quoted = String::from("\"");
-    for ch in value.chars() {
-        match ch {
-            '\\' => quoted.push_str("\\\\"),
-            '"' => quoted.push_str("\\\""),
-            '\n' => quoted.push_str("\\n"),
-            '\r' => quoted.push_str("\\r"),
-            '\t' => quoted.push_str("\\t"),
-            other if other.is_control() => {
-                write!(&mut quoted, "\\u{:04X}", other as u32).expect("write to String");
-            }
-            other => quoted.push(other),
-        }
-    }
-    quoted.push('"');
-    quoted
-}
-
-fn yaml_plain_operation_id(method: HttpMethodScalar, path: &str) -> String {
-    let mut suffix = String::new();
-    for ch in path.trim_matches('/').chars() {
-        if ch.is_ascii_alphanumeric() {
-            suffix.push(ch);
-        } else {
-            write!(&mut suffix, "_x{:X}_", ch as u32).expect("write to String");
-        }
-    }
-    format!("{}_{}", method.token().to_ascii_lowercase(), suffix)
-}
-
-fn markdown_table_cell(value: &str) -> String {
-    value.replace('\\', "\\\\").replace('|', "\\|")
-}
-
-fn markdown_code_span(value: &str) -> String {
-    let delimiter = "`".repeat(max_backtick_run(value) + 1);
-    if value.starts_with('`') || value.ends_with('`') {
-        format!("{delimiter} {value} {delimiter}")
-    } else {
-        format!("{delimiter}{value}{delimiter}")
-    }
-}
-
-fn markdown_code_span_table_cell(value: &str) -> String {
-    markdown_code_span(value).replace('|', "\\|")
-}
-
-fn max_backtick_run(value: &str) -> usize {
-    let mut max = 0;
-    let mut current = 0;
-    for ch in value.chars() {
-        if ch == '`' {
-            current += 1;
-            max = max.max(current);
-        } else {
-            current = 0;
-        }
-    }
-    max
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::compile_to_dag;
-
-    const SERVICE_FIXTURE: &str = r#"
-module t.openapi_malformed_projection
-
-import std.types { GET }
-import std.effects { LiteralToken }
-import v3.std.services { RestEndpointBinding }
-
-type DemoOperation {
-  endpoint: RestEndpointBinding
-}
-
-data service_operations: List<DemoOperation> = [
-  {
-    endpoint: {
-      method: GET,
-      path: { tokens: [LiteralToken { text: "users" }] }
-    }
-  }
-]
-"#;
-
-    fn compiled_service_fixture() -> Dag {
-        std::thread::Builder::new()
-            .name("openapi_malformed_projection_compile".to_string())
-            .stack_size(32 * 1024 * 1024)
-            .spawn(|| {
-                compile_to_dag(SERVICE_FIXTURE, "openapi_malformed_projection_fixture.dag")
-                    .expect("service fixture compiles")
-            })
-            .expect("spawn larger-stack compile thread")
-            .join()
-            .expect("larger-stack compile thread completes")
-    }
-
-    fn service_operations_id(dag: &Dag) -> DeclarationId {
-        dag.declarations()
-            .iter()
-            .find(|decl| decl.name.as_deref() == Some("service_operations"))
-            .expect("service_operations declaration exists")
-            .id
-    }
-
-    fn replace_first_service_row(dag: &mut Dag, replacement: FieldValue) {
-        let service_operations = service_operations_id(dag);
-        let ValueBody::List(rows) = dag
-            .declaration_mut(service_operations)
-            .value_body
-            .as_mut()
-            .expect("service_operations has value body")
-        else {
-            panic!("service_operations is a list");
-        };
-        rows[0] = replacement;
-    }
-
-    #[test]
-    fn extract_rest_routes_rejects_non_record_service_rows() {
-        let mut dag = compiled_service_fixture();
-        replace_first_service_row(
-            &mut dag,
-            FieldValue::Literal(LiteralBits::String("not a record".to_string())),
-        );
-
-        assert_eq!(
-            extract_rest_routes(&dag),
-            Err(ProjectOpenApiError::MalformedOperation {
-                declaration: "service_operations".to_string(),
-                detail: "service operation rows must be records".to_string(),
-            })
-        );
-    }
-
-    #[test]
-    fn extract_rest_routes_rejects_service_rows_missing_endpoint() {
-        let mut dag = compiled_service_fixture();
-        replace_first_service_row(&mut dag, FieldValue::Record(vec![]));
-
-        assert_eq!(
-            extract_rest_routes(&dag),
-            Err(ProjectOpenApiError::MalformedOperation {
-                declaration: "service_operations".to_string(),
-                detail: "service operation row missing `endpoint` field".to_string(),
-            })
-        );
-    }
-
-    #[test]
-    fn path_parameter_names_are_quoted_for_yaml_structure() {
-        let mut yaml = String::new();
-
-        append_path_parameter_yaml(&mut yaml, "id:\nrequired: false");
-
-        assert_eq!(
-            yaml,
-            "        - name: \"id:\\nrequired: false\"\n          in: path\n          required: true\n          schema:\n            type: string\n"
-        );
-    }
-
-    #[test]
-    fn markdown_code_cells_choose_safe_delimiters_and_escape_table_delimiters() {
-        assert_eq!(markdown_code_span_table_cell("a|b`c\\d"), "``a\\|b`c\\d``");
-        assert_eq!(
-            markdown_code_span_table_cell("a``b```c"),
-            "````a``b```c````"
-        );
-        assert_eq!(markdown_code_span_table_cell("\\path"), "`\\path`");
-        assert_eq!(markdown_code_span_table_cell("`x"), "`` `x ``");
-        assert_eq!(markdown_code_span_table_cell("x`"), "`` x` ``");
-    }
-}
diff --git a/src/v3/compiler/src/operators_generated.rs b/src/v3/compiler/src/operators_generated.rs
deleted file mode 100644
index a74cd171d3b..00000000000
--- a/src/v3/compiler/src/operators_generated.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-// AUTO-GENERATED from `src/v3/compiler/operators.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-pub fn from_symbol(p0: &str) -> Option<OperatorKind> {
-    if p0 == "+" {
-        Some(OperatorKind::Arithmetic(ArithmeticOp::Add))
-    } else if p0 == "-" {
-        Some(OperatorKind::Arithmetic(ArithmeticOp::Sub))
-    } else if p0 == "*" {
-        Some(OperatorKind::Arithmetic(ArithmeticOp::Mul))
-    } else if p0 == "/" {
-        Some(OperatorKind::Arithmetic(ArithmeticOp::Div))
-    } else if p0 == "==" {
-        Some(OperatorKind::Comparison(ComparisonOp::Eq))
-    } else if p0 == "!=" {
-        Some(OperatorKind::Comparison(ComparisonOp::Ne))
-    } else if p0 == "<" {
-        Some(OperatorKind::Comparison(ComparisonOp::Lt))
-    } else if p0 == "<=" {
-        Some(OperatorKind::Comparison(ComparisonOp::Le))
-    } else if p0 == ">" {
-        Some(OperatorKind::Comparison(ComparisonOp::Gt))
-    } else if p0 == ">=" {
-        Some(OperatorKind::Comparison(ComparisonOp::Ge))
-    } else if p0 == "&&" {
-        Some(OperatorKind::Logical(LogicalOp::And))
-    } else if p0 == "||" {
-        Some(OperatorKind::Logical(LogicalOp::Or))
-    } else {
-        None
-    }
-}
-
-pub fn symbol(p0: OperatorKind) -> String {
-    match p0 {
-        OperatorKind::Arithmetic(ArithmeticOp::Add) => String::from("+"),
-        OperatorKind::Arithmetic(ArithmeticOp::Sub) => String::from("-"),
-        OperatorKind::Arithmetic(ArithmeticOp::Mul) => String::from("*"),
-        OperatorKind::Arithmetic(ArithmeticOp::Div) => String::from("/"),
-        OperatorKind::Comparison(ComparisonOp::Eq) => String::from("=="),
-        OperatorKind::Comparison(ComparisonOp::Ne) => String::from("!="),
-        OperatorKind::Comparison(ComparisonOp::Lt) => String::from("<"),
-        OperatorKind::Comparison(ComparisonOp::Le) => String::from("<="),
-        OperatorKind::Comparison(ComparisonOp::Gt) => String::from(">"),
-        OperatorKind::Comparison(ComparisonOp::Ge) => String::from(">="),
-        OperatorKind::Logical(LogicalOp::And) => String::from("&&"),
-        OperatorKind::Logical(LogicalOp::Or) => String::from("||"),
-    }
-}
-
-pub fn algebra_field_name(p0: OperatorKind) -> String {
-    match p0 {
-        OperatorKind::Arithmetic(ArithmeticOp::Add) => String::from("add"),
-        OperatorKind::Arithmetic(ArithmeticOp::Sub) => String::from("sub"),
-        OperatorKind::Arithmetic(ArithmeticOp::Mul) => String::from("mul"),
-        OperatorKind::Arithmetic(ArithmeticOp::Div) => String::from("div"),
-        OperatorKind::Comparison(ComparisonOp::Eq) => String::from("eq"),
-        OperatorKind::Comparison(ComparisonOp::Ne) => String::from("ne"),
-        OperatorKind::Comparison(ComparisonOp::Lt) => String::from("lt"),
-        OperatorKind::Comparison(ComparisonOp::Le) => String::from("le"),
-        OperatorKind::Comparison(ComparisonOp::Gt) => String::from("gt"),
-        OperatorKind::Comparison(ComparisonOp::Ge) => String::from("ge"),
-        OperatorKind::Logical(LogicalOp::And) => String::from("meet"),
-        OperatorKind::Logical(LogicalOp::Or) => String::from("join"),
-    }
-}
diff --git a/src/v3/compiler/src/parse_generated.rs b/src/v3/compiler/src/parse_generated.rs
deleted file mode 100644
index 79b32c2710c..00000000000
--- a/src/v3/compiler/src/parse_generated.rs
+++ /dev/null
@@ -1,2055 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/parse_surface.dag` (Surface carriers)
-// via `regen_parse` + `parse_parser_body.txt`. Regenerate instead of hand-editing.
-
-use crate::diagnostics::{Diagnostic, SourceSpan};
-use crate::operators::{LogicalOp, OperatorKind};
-pub use crate::parse_surface::{
-    SurfaceExpr, SurfaceField, SurfaceItem, SurfaceLiteral, SurfaceMapEntry, SurfaceMatchArm,
-    SurfaceModule, SurfaceParam, SurfacePattern, SurfacePatternField, SurfaceRecordField,
-    SurfaceType, SurfaceVariant, TypeAngleArg, VariantPayload,
-};
-use crate::parse_tables::{
-    binary_op_at_level, bracket_role, is_type_rhs_boundary_keyword, primary_atom_class,
-    primary_prefix_dispatch, soft_keyword_ident_spelling, top_level_item_dispatch, BinaryOpLevel,
-    BracketRole, ItemDispatchKind, PrimaryAtomClass, PrimaryPrefixDispatch,
-};
-use crate::tokenize::{Token, TokenKind};
-use std::collections::HashSet;
-
-impl SurfaceType {
-    pub fn span(&self) -> &SourceSpan {
-        match self {
-            SurfaceType::Named { span, .. }
-            | SurfaceType::Parameterized { span, .. }
-            | SurfaceType::Optional { span, .. }
-            | SurfaceType::Arrow { span, .. } => span,
-        }
-    }
-}
-
-impl TypeAngleArg {
-    pub fn span(&self) -> &SourceSpan {
-        match self {
-            TypeAngleArg::TypeExpr { ty } => ty.span(),
-            TypeAngleArg::WidthNatLiteral { span, .. } => span,
-        }
-    }
-}
-
-// RESIDUAL SEMANTIC AUTHORITY — recursive-descent parse algorithm.
-// This is **parser staging**, not SG-2c closure: the Surface carrier schema lives in
-// `src/v3/std/parse_surface.dag`, the binary-operator-at-precedence-level table lives in
-// `parse_tables.dag` (SG-2c-1 grammar-tables prototype), and `regen_parse` splices this
-// fragment after the emitted `Surface*` definitions inside `parse_generated.rs`.
-//
-// **SG-2c-1 reduction (not retirement).** The per-precedence-level functions below
-// (`parse_logical_or`, `parse_logical_and`, `parse_comparison`, `parse_additive`,
-// `parse_term`) used to open-code the token → `OperatorKind` mapping in five separate
-// match blocks. That mapping is now authored as `binary_op_*` data rows in
-// `parse_tables.dag` and consumed here via `binary_op_at_level`. The SG-2c
-// `parse_primary` cluster: SG-2c-6 `PrimaryPrefixRow` + `primary_prefix_dispatch`
-// (prefix openers) and SG-2c-7 `PrimaryAtomRow` + `primary_atom_class` (int/bool/
-// string/lambda/ident atomic forms). The parser's control flow — cursor mechanics,
-// recursive descent, error recovery, span fusion — remains semantic authority in
-// this file.
-//
-// Dissolution trigger (SG-2c proper): delete this file when parse **logic** is
-// structurally `.dag`-owned (SELF_HOSTING §6 Phase 4a direct port or Phase 4b
-// grammar-as-data) and `regen_parse` emits the full module without any external
-// Rust body fragment. SG-2c proper is blocked on a named substrate capability —
-// recursive list-body emission over `List<Token>` with cursor threading — declared
-// in `src/v3/std/list.dag:13-15` ("the current compiler still lacks full structural
-// recursion + list-body emission support"). Until that lands, any `.dag` port of
-// the recursive-descent algorithm routes through a hidden Rust host layer.
-//
-
-/// Host-authored names that may appear as the sole RHS identifier of a
-/// `type T = U` **alias** even when `U` is not declared in the same module
-/// (bootstrap / prelude spellings). Keep this list conservative: expand it
-/// when integration tests surface a legitimate `type X = Builtin` alias the
-/// two-pass disambiguator mis-classified as a nullary sum.
-const PRELUDE_BARE_RHS_ALIAS_IDENTS: &[&str] = &[
-    "Bit",
-    "Bool",
-    "Char",
-    "Classical",
-    "Double",
-    "Float",
-    "Float32",
-    "Float64",
-    "Int",
-    "Int8",
-    "Int16",
-    "Int32",
-    "Int64",
-    "List",
-    "Map",
-    "Nat",
-    "Never",
-    "Str",
-    "String",
-    "Set",
-    "UInt",
-    "UInt8",
-    "UInt16",
-    "UInt32",
-    "UInt64",
-    "Unit",
-    "Vec",
-    "Void",
-    "Word8",
-    "Word16",
-    "Word32",
-    "Word64",
-];
-
-/// Build the identifier set for which a bare `type T = U` RHS must classify
-/// as [`SurfaceItem::TypeAlias`]: prelude spellings, explicit `import … { … }`
-/// names, and every `type` / `data` LHS in the module (declaration order does
-/// not matter — forward aliases to sibling types stay aliases). Local generic
-/// binders are declaration-scoped and are added only at the RHS lookahead site.
-fn collect_bare_rhs_alias_reference_idents(items: &[SurfaceItem]) -> HashSet<String> {
-    let mut out = HashSet::new();
-    for name in PRELUDE_BARE_RHS_ALIAS_IDENTS {
-        out.insert((*name).to_string());
-    }
-    for item in items {
-        match item {
-            SurfaceItem::Import { names, .. } => {
-                for n in names {
-                    out.insert(n.clone());
-                }
-            }
-            SurfaceItem::TypeRecord { name, .. }
-            | SurfaceItem::TypeSum { name, .. }
-            | SurfaceItem::TypeAlias { name, .. }
-            | SurfaceItem::TypeAtom { name, .. } => {
-                out.insert(name.clone());
-            }
-            SurfaceItem::Data { name, .. } => {
-                out.insert(name.clone());
-            }
-            _ => {}
-        }
-    }
-    out
-}
-
-pub fn parse(tokens: &[Token], file: &str) -> Result<SurfaceModule, Diagnostic> {
-    let pass1_items = {
-        let mut parser = Parser {
-            tokens,
-            pos: 0,
-            file,
-            bare_rhs_alias_reference_idents: None,
-        };
-        let mut items = Vec::new();
-        while !parser.at_eof() {
-            items.push(parser.parse_item()?);
-        }
-        items
-    };
-    let refs = collect_bare_rhs_alias_reference_idents(&pass1_items);
-    let mut parser = Parser {
-        tokens,
-        pos: 0,
-        file,
-        bare_rhs_alias_reference_idents: Some(refs),
-    };
-    let mut items = Vec::new();
-    while !parser.at_eof() {
-        items.push(parser.parse_item()?);
-    }
-    Ok(SurfaceModule { items })
-}
-
-struct Parser<'a> {
-    tokens: &'a [Token],
-    pos: usize,
-    file: &'a str,
-    /// `None` during pass 1 (bare-RHS sum disambiguation disabled). `Some` during
-    /// pass 2: a bare `type T = U` is [`SurfaceItem::TypeSum`] iff `U` is **not**
-    /// in this set (prelude + imports + module `type`/`data` LHS names).
-    bare_rhs_alias_reference_idents: Option<HashSet<String>>,
-}
-
-impl<'a> Parser<'a> {
-    fn peek(&self) -> &Token {
-        &self.tokens[self.pos]
-    }
-
-    fn bump(&mut self) -> &Token {
-        let t = &self.tokens[self.pos];
-        self.pos += 1;
-        t
-    }
-
-    fn at_eof(&self) -> bool {
-        matches!(self.peek().kind, TokenKind::Eof)
-    }
-
-    fn expect_kind(&mut self, expected: TokenKind) -> Result<Token, Diagnostic> {
-        let token = self.bump().clone();
-        if token.kind == expected {
-            Ok(token)
-        } else {
-            Err(Diagnostic::ParseError {
-                message: format!("expected {expected:?}, got {:?}", token.kind),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            })
-        }
-    }
-
-    /// Parse the next top-level item. Every surface form emits a real
-    /// `SurfaceItem` — the earlier "parser-absorbed" path was deleted
-    /// at M1(2.7) per the QW1/QW2/QW3 scaffold-honesty fix. Module,
-    /// import, and data items lower to no-ops (or declaration-only
-    /// scaffolds) at M1(2.7), but the parsed facts flow forward.
-    ///
-    /// **SG-2c-2 keyword→dispatch edge is table-owned:** which `TokenKind`
-    /// opens which item form comes from `parse_tables.dag` (`TopLevelItemKwRow`),
-    /// projected by `regen_parse_tables` into `parse_tables::top_level_item_dispatch`.
-    /// This function only maps `ItemDispatchKind` → the corresponding `parse_*_item`
-    /// entry point (control flow stays here; the keyword set is not open-coded).
-    fn parse_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let tk = &self.peek().kind;
-        match top_level_item_dispatch(tk) {
-            Some(ItemDispatchKind::Let) => self.parse_let_item(),
-            Some(ItemDispatchKind::Fn) => self.parse_fn_item(),
-            Some(ItemDispatchKind::Type) => self.parse_type_item(),
-            Some(ItemDispatchKind::Module) => self.parse_module_item(),
-            Some(ItemDispatchKind::Import) => self.parse_import_item(),
-            Some(ItemDispatchKind::Data) => self.parse_data_item(),
-            None => Err(Diagnostic::ParseError {
-                message: format!(
-                    "expected `let`, `fn`, `type`, `module`, `import`, or `data`, got {tk:?}"
-                ),
-                span: self.peek().span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            }),
-        }
-    }
-
-    /// Parse `module foo.bar.baz` into a `SurfaceItem::Module { path }`.
-    /// At M1(2.7) lowering is a no-op, but the parsed path survives
-    /// for M2 module scoping to consume.
-    fn parse_module_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let kw = self.expect_kind(TokenKind::KwModule)?;
-        let path = self.parse_dotted_path()?;
-        // The dotted path ends at the last parsed identifier; use its
-        // span's end as the item's end. `parse_dotted_path` doesn't
-        // return spans, so fall back to the current position's
-        // previous token span. The simplest correct thing: use the
-        // last token consumed by peek-1.
-        let end = self.tokens[self.pos.saturating_sub(1)].span.byte_end;
-        Ok(SurfaceItem::Module {
-            path,
-            span: SourceSpan::new(self.file, kw.span.byte_start, end),
-        })
-    }
-
-    /// Parse `import foo.bar { Name1, Name2 }` into
-    /// `SurfaceItem::Import { path, names }`. The names list is
-    /// optional (bare `import foo.bar` imports everything).
-    fn parse_import_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let kw = self.expect_kind(TokenKind::KwImport)?;
-        let path = self.parse_dotted_path()?;
-        let mut names: Vec<String> = Vec::new();
-        if matches!(self.peek().kind, TokenKind::LBrace) {
-            self.bump();
-            if !matches!(self.peek().kind, TokenKind::RBrace) {
-                loop {
-                    names.push(self.parse_ident()?);
-                    if matches!(self.peek().kind, TokenKind::Comma) {
-                        self.bump();
-                        continue;
-                    }
-                    break;
-                }
-            }
-            self.expect_kind(TokenKind::RBrace)?;
-        }
-        let end = self.tokens[self.pos.saturating_sub(1)].span.byte_end;
-        Ok(SurfaceItem::Import {
-            path,
-            names,
-            span: SourceSpan::new(self.file, kw.span.byte_start, end),
-        })
-    }
-
-    /// Parse `data name: Type = { body }` into `SurfaceItem::Data`.
-    ///
-    /// **M1(3) PR-B change:** the body is now attempted as a record
-    /// literal first. A 3-token lookahead (`{`, `Ident`, `:`) decides
-    /// between:
-    ///
-    /// - **Record literal**: the body is parsed as a
-    ///   `SurfaceExpr::Record { fields, span }` and stored in
-    ///   `SurfaceItem::Data.body = Some(...)`. Lowering runs
-    ///   inhabitance checking against the type annotation (walks
-    ///   the Conj children, matches labels, validates literal-only
-    ///   field values) and produces a
-    ///   `ValueBody::Structural { fields }` on the declaration.
-    /// - **Unparseable body**: any body whose first three tokens
-    ///   don't match `{ Ident :` falls back to the brace-skip path
-    ///   (preserving the span) and `SurfaceItem::Data.body = None`.
-    ///   Lowering produces a `ValueBody::Unparsed(span)` scaffold
-    ///   which `reject_user_unparsed_scaffolds` rejects for user
-    ///   code and tolerates for bootstrap fixtures (R14 behavior).
-    ///
-    /// The lookahead is unambiguous because record field syntax
-    /// starts with `Ident :` and no other valid body shape does.
-    fn parse_data_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let kw = self.expect_kind(TokenKind::KwData)?;
-        let name = self.parse_ident()?;
-        self.expect_kind(TokenKind::Colon)?;
-        let ty = self.parse_type_expr()?;
-        self.expect_kind(TokenKind::Eq)?;
-        // DB-10 (3a.2): `data x: T = <expr>` accepts three body shapes:
-        //   1. Record literal (`{ name: v, ... }`) — lowered to
-        //      ValueBody::Structural via inhabitance checking.
-        //   2. Opaque brace body (`{ ... }` without record-literal
-        //      shape) — preserved as ValueBody::Unparsed.
-        //   3. Scalar expression (no leading `{`) — lowered to
-        //      ValueBody::Scalar. Required for scalar constants
-        //      like `data answer: Int = 42` that `compiler.dag` uses.
-        if !matches!(self.peek().kind, TokenKind::LBrace) {
-            let body_expr = self.parse_expr()?;
-            let body_span_ref = expr_span(&body_expr);
-            let body_start = body_span_ref.byte_start;
-            let body_end = body_span_ref.byte_end;
-            return Ok(SurfaceItem::Data {
-                name,
-                ty,
-                body: Some(body_expr),
-                body_span: SourceSpan::new(self.file, body_start, body_end),
-                span: SourceSpan::new(self.file, kw.span.byte_start, body_end),
-            });
-        }
-        // Peek three tokens for the record-literal lookahead.
-        let open_span = self.peek().span.clone();
-        let is_record_literal = self.looks_like_record_literal();
-        if is_record_literal {
-            let body_expr = self.parse_record_literal()?;
-            let body_end = match &body_expr {
-                SurfaceExpr::Record { span, .. } => span.byte_end,
-                _ => unreachable!("parse_record_literal always returns Record"),
-            };
-            return Ok(SurfaceItem::Data {
-                name,
-                ty,
-                body: Some(body_expr),
-                body_span: SourceSpan::new(self.file, open_span.byte_start, body_end),
-                span: SourceSpan::new(self.file, kw.span.byte_start, body_end),
-            });
-        }
-        // Sibling lookahead for map literals (`{ String : ...`). Routes
-        // string-keyed `{...}` data bodies into `parse_map_literal`,
-        // emitting `SurfaceExpr::Map`. Disambiguation is unambiguous:
-        // record-literal lookahead requires `{ Ident :`; map-literal
-        // requires `{ StringLit :`. Bare `{}` (empty) and any other
-        // shape continue to fall through to `skip_brace_balanced`.
-        if self.looks_like_map_literal() {
-            let body_expr = self.parse_map_literal()?;
-            let body_end = match &body_expr {
-                SurfaceExpr::Map { span, .. } => span.byte_end,
-                _ => unreachable!("parse_map_literal always returns Map"),
-            };
-            return Ok(SurfaceItem::Data {
-                name,
-                ty,
-                body: Some(body_expr),
-                body_span: SourceSpan::new(self.file, open_span.byte_start, body_end),
-                span: SourceSpan::new(self.file, kw.span.byte_start, body_end),
-            });
-        }
-        let end = self.skip_brace_balanced()?;
-        let body_span = SourceSpan::new(self.file, open_span.byte_start, end);
-        Ok(SurfaceItem::Data {
-            name,
-            ty,
-            body: None,
-            body_span,
-            span: SourceSpan::new(self.file, kw.span.byte_start, end),
-        })
-    }
-
-    /// 3-token lookahead for record-literal disambiguation (`parse_data_item`,
-    /// brace-bodied `fn` on `.v3`). Returns `true` when:
-    ///
-    /// - **`{}`**: `LBrace` immediately followed by `RBrace` (empty record).
-    /// - **`{ label: expr`**: `LBrace`, then a field label token (`Ident(_)` or any
-    ///   token accepted via `soft_keyword_ident_spelling`, e.g. `KwType` for
-    ///   `type:`), then `:` — same label set as `parse_field_label`.
-    ///
-    /// Otherwise returns `false` so callers can try map-literal lookahead or
-    /// other paths.
-    fn looks_like_record_literal(&self) -> bool {
-        let t0 = self.tokens.get(self.pos);
-        let t1 = self.tokens.get(self.pos + 1);
-        let t2 = self.tokens.get(self.pos + 2);
-        match (t0, t1) {
-            (Some(a), Some(b))
-                if matches!(a.kind, TokenKind::LBrace) && matches!(b.kind, TokenKind::RBrace) =>
-            {
-                true
-            }
-            _ => match (t0, t1, t2) {
-                (Some(a), Some(b), Some(c)) => {
-                    matches!(a.kind, TokenKind::LBrace)
-                        && (matches!(b.kind, TokenKind::Ident(_))
-                            || soft_keyword_ident_spelling(&b.kind).is_some())
-                        && matches!(c.kind, TokenKind::Colon)
-                }
-                _ => false,
-            },
-        }
-    }
-
-    /// Parse a record literal starting at `{`. Called from
-    /// `parse_data_item` after `looks_like_record_literal` confirms
-    /// the lookahead. Reads `label: expr` pairs separated by `,` (or
-    /// whitespace), terminated by `}`. Each field's value is any
-    /// `SurfaceExpr` — lowering (not parsing) enforces the literal-
-    /// only restriction.
-    fn parse_record_literal(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut fields: Vec<SurfaceRecordField> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let field_end = expr_span(&value).byte_end;
-            fields.push(SurfaceRecordField {
-                name: field_name,
-                value,
-                span: SourceSpan::new(self.file, name_span.byte_start, field_end),
-            });
-            // Accept an optional comma between fields (whitespace
-            // alone is also permitted).
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok(SurfaceExpr::Record {
-            fields,
-            span: SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        })
-    }
-
-    /// 3-token lookahead for the map-literal disambiguation in
-    /// `parse_data_item`. Returns `true` when the next three tokens are
-    /// `{`, then `StringLit(_)`, then `:` — the unambiguous start of a
-    /// map-literal entry. Sibling to `looks_like_record_literal`
-    /// (`{ Ident :`); the two are mutually exclusive at the entry token
-    /// because a string-literal token is structurally distinct from an
-    /// identifier token. Empty `{}` falls through to neither (and routes
-    /// into `skip_brace_balanced` per the existing scaffolded-body
-    /// path) — string-key non-empty maps are the only shape this lane
-    /// admits; empty-map syntax is deferred until a real consumer needs
-    /// it (no consumer in the 22-declaration survey produces an empty
-    /// map literal at the top level).
-    fn looks_like_map_literal(&self) -> bool {
-        let t0 = self.tokens.get(self.pos);
-        let t1 = self.tokens.get(self.pos + 1);
-        let t2 = self.tokens.get(self.pos + 2);
-        match (t0, t1, t2) {
-            (Some(a), Some(b), Some(c)) => {
-                matches!(a.kind, TokenKind::LBrace)
-                    && matches!(b.kind, TokenKind::StringLit(_))
-                    && matches!(c.kind, TokenKind::Colon)
-            }
-            _ => false,
-        }
-    }
-
-    /// Parse a map literal starting at `{`. Called from
-    /// `parse_data_item` after `looks_like_map_literal` confirms the
-    /// lookahead. Reads `"key": expr` pairs separated by `,` (or
-    /// whitespace), terminated by `}`. Each entry's key is the parsed
-    /// string-literal contents (the parser only enters this path after
-    /// `looks_like_map_literal` matched a `StringLit` token; any
-    /// non-string key here is an internal invariant violation).
-    fn parse_map_literal(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut entries: Vec<SurfaceMapEntry> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let key_token = self.bump().clone();
-            let (key, key_span) = match key_token.kind {
-                TokenKind::StringLit(s) => (s, key_token.span.clone()),
-                other => {
-                    return Err(Diagnostic::ParseError {
-                        message: format!(
-                            "expected string-literal key in map literal, got {other:?}"
-                        ),
-                        span: key_token.span,
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                            "ParseError",
-                        ),
-                    });
-                }
-            };
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let value_end = expr_span(&value).byte_end;
-            entries.push(SurfaceMapEntry {
-                key,
-                key_span: key_span.clone(),
-                value,
-                span: SourceSpan::new(self.file, key_span.byte_start, value_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok(SurfaceExpr::Map {
-            entries,
-            span: SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        })
-    }
-
-    fn parse_named_expr_fields(
-        &mut self,
-    ) -> Result<(Vec<SurfaceRecordField>, SourceSpan), Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut fields: Vec<SurfaceRecordField> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let field_end = expr_span(&value).byte_end;
-            fields.push(SurfaceRecordField {
-                name: field_name,
-                value,
-                span: SourceSpan::new(self.file, name_span.byte_start, field_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok((
-            fields,
-            SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        ))
-    }
-
-    fn parse_named_pattern_fields(
-        &mut self,
-    ) -> Result<(Vec<SurfacePatternField>, SourceSpan), Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut fields: Vec<SurfacePatternField> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let binding_token = self.bump().clone();
-            let binding = match binding_token.kind {
-                TokenKind::Ident(binding) => binding,
-                other => {
-                    return Err(Diagnostic::ParseError {
-                        message: format!(
-                            "expected binding name in named payload match pattern after `{field_name}:`, got {other:?}"
-                        ),
-                        span: binding_token.span,
-                        correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                    });
-                }
-            };
-            fields.push(SurfacePatternField {
-                name: field_name,
-                binding,
-                span: SourceSpan::new(self.file, name_span.byte_start, binding_token.span.byte_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        Ok((
-            fields,
-            SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        ))
-    }
-
-    fn brace_starts_match_arms(&self) -> bool {
-        if !matches!(self.peek().kind, TokenKind::LBrace) {
-            return false;
-        }
-        let mut depth = 0usize;
-        let mut idx = self.pos;
-        let mut only_empty_block_so_far = true;
-        while let Some(token) = self.tokens.get(idx) {
-            match token.kind {
-                TokenKind::LBrace => depth += 1,
-                TokenKind::RBrace => {
-                    if depth == 0 {
-                        return false;
-                    }
-                    depth -= 1;
-                    if depth == 0 {
-                        // `match x {}` is a valid empty-arm block that
-                        // should parse and fail later during lowering/
-                        // validation as non-exhaustive, not be
-                        // reinterpreted as `x {}` (a named constructor
-                        // expression with empty fields).
-                        return only_empty_block_so_far;
-                    }
-                }
-                TokenKind::FatArrow if depth == 1 => return true,
-                _ if depth == 1 => only_empty_block_so_far = false,
-                TokenKind::Eof => return false,
-                _ => {}
-            }
-            idx += 1;
-        }
-        false
-    }
-
-    fn parse_dotted_path(&mut self) -> Result<Vec<String>, Diagnostic> {
-        let mut path = vec![self.parse_ident()?];
-        while matches!(self.peek().kind, TokenKind::Dot) {
-            self.bump();
-            path.push(self.parse_ident()?);
-        }
-        Ok(path)
-    }
-
-    /// Consume a brace-balanced token range starting at the current
-    /// `{` and returning the byte offset of the matching `}`. Used for
-    /// opaque fn/data bodies at M1(2.6). Errors if EOF is reached
-    /// before the braces balance.
-    fn skip_brace_balanced(&mut self) -> Result<u32, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBrace)?;
-        let mut depth: i32 = 1;
-        loop {
-            if self.at_eof() {
-                return Err(Diagnostic::ParseError {
-                    message: "unterminated block body: reached EOF before closing `}`".to_string(),
-                    span: open.span,
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "ParseError",
-                    ),
-                });
-            }
-            let token = self.bump().clone();
-            match token.kind {
-                TokenKind::LBrace => depth += 1,
-                TokenKind::RBrace => {
-                    depth -= 1;
-                    if depth == 0 {
-                        return Ok(token.span.byte_end);
-                    }
-                }
-                _ => {}
-            }
-        }
-    }
-
-    fn parse_let_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        self.expect_kind(TokenKind::KwLet)?;
-        let name = self.parse_ident()?;
-        let type_ann = if matches!(self.peek().kind, TokenKind::Colon) {
-            self.bump();
-            Some(self.parse_type_expr()?)
-        } else {
-            None
-        };
-        self.expect_kind(TokenKind::Eq)?;
-        let expr = self.parse_expr()?;
-        Ok(SurfaceItem::Let {
-            name,
-            type_ann,
-            expr,
-        })
-    }
-
-    /// User `.v3` modules parse brace-bodied `fn` bodies as real
-    /// `SurfaceExpr` trees (single expression, record literal, or
-    /// `parse_expr` + `FnExternalBody` fallback for multi-statement
-    /// blocks). Authority `.dag` sources (`dsl/std`, `src/v3/std`,
-    /// compiler/spec fixtures, etc.) keep the legacy brace-skip →
-    /// `FnExternalBody` path so bootstrap snapshots and staged std
-    /// `ArrowBody::Unparsed` contracts stay byte-stable until a
-    /// dedicated bootstrap regen lane opts the corpus in.
-    fn fn_brace_body_parse_as_expression(&self) -> bool {
-        self.file.ends_with(".v3")
-    }
-
-    /// After `{`, `parse_expr` fails immediately on `KwLet` (statements are not
-    /// expressions). Only that shape uses `FnExternalBody` + brace-skip on
-    /// `parse_expr` `Err` — other failures are malformed single-expression probes
-    /// and must surface the parser diagnostic (fail-closed at parse time).
-    fn fn_brace_body_expr_err_falls_back_to_external(&self, first_inner_token_pos: usize) -> bool {
-        matches!(
-            self.tokens.get(first_inner_token_pos).map(|t| &t.kind),
-            Some(TokenKind::KwLet)
-        )
-    }
-
-    /// Brace-bodied `fn` **record** lookahead: must stay aligned with
-    /// `parse_field_label` / `parse_record_literal` (same entry shapes as
-    /// `parse_data_item`: `{}`, `{ ident: expr`, `{ type: expr`, …).
-    fn fn_brace_body_looks_like_record_literal(&self) -> bool {
-        self.looks_like_record_literal()
-    }
-
-    fn parse_fn_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let fn_kw = self.expect_kind(TokenKind::KwFn)?;
-        let name = self.parse_ident()?;
-        let type_params = self.parse_optional_type_params()?;
-        self.expect_kind(TokenKind::LParen)?;
-        let params = self.parse_params()?;
-        self.expect_kind(TokenKind::RParen)?;
-        self.expect_kind(TokenKind::Arrow)?;
-        let return_type = self.parse_type_expr()?;
-        match &self.peek().kind {
-            TokenKind::Eq => {
-                // Expression-body form: `fn f(x) -> T = expr`.
-                self.bump();
-                let body_expr = self.parse_expr()?;
-                let end = expr_span(&body_expr).byte_end;
-                Ok(SurfaceItem::Fn {
-                    name,
-                    type_params,
-                    params,
-                    return_type,
-                    body: body_expr,
-                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                })
-            }
-            TokenKind::LBrace => {
-                // Brace-bodied `fn f(x) -> T { body }`.
-                //
-                // Non-`.v3` sources (staged `.dag` corpus): preserve the
-                // legacy `FnExternalBody` + brace-skip path — see
-                // `fn_brace_body_parse_as_expression`.
-                //
-                // `.v3` user sources: when `{` begins a record literal (`{}` or
-                // `{ label: expr, ... }`, including `{ type: ... }` via
-                // `parse_field_label` soft keywords) or a string-key **map**
-                // literal (`{ "key": expr, ... }` — same disambiguation order as
-                // `parse_data_item`), parse that surface form. Otherwise probe a
-                // single `SurfaceExpr` through the closing `}`.
-                //
-                // Otherwise try a single complete `SurfaceExpr` through the
-                // closing `}`. If the expression parses but does not exhaust
-                // the brace (e.g. multi-`let` sequences), rewind and fall back to
-                // `FnExternalBody` + brace-skip. If `parse_expr` errors and the
-                // first inner token is `let`, use the same fallback (statement
-                // scaffold); otherwise propagate the parse diagnostic.
-                if !self.fn_brace_body_parse_as_expression() {
-                    let open = self.peek().span.clone();
-                    let end = self.skip_brace_balanced()?;
-                    let body_span = SourceSpan::new(self.file, open.byte_start, end);
-                    return Ok(SurfaceItem::FnExternalBody {
-                        name,
-                        type_params,
-                        params,
-                        return_type,
-                        body_span,
-                        span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                    });
-                }
-                if self.fn_brace_body_looks_like_record_literal() {
-                    let body_expr = self.parse_record_literal()?;
-                    let end = expr_span(&body_expr).byte_end;
-                    Ok(SurfaceItem::Fn {
-                        name,
-                        type_params,
-                        params,
-                        return_type,
-                        body: body_expr,
-                        span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                    })
-                } else if self.looks_like_map_literal() {
-                    let body_expr = self.parse_map_literal()?;
-                    let end = expr_span(&body_expr).byte_end;
-                    Ok(SurfaceItem::Fn {
-                        name,
-                        type_params,
-                        params,
-                        return_type,
-                        body: body_expr,
-                        span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                    })
-                } else {
-                    let checkpoint = self.pos;
-                    self.expect_kind(TokenKind::LBrace)?;
-                    let first_inner_token_pos = self.pos;
-                    match self.parse_expr() {
-                        Ok(body_expr) => {
-                            if matches!(self.peek().kind, TokenKind::RBrace) {
-                                let close = self.expect_kind(TokenKind::RBrace)?;
-                                let end = close.span.byte_end;
-                                Ok(SurfaceItem::Fn {
-                                    name,
-                                    type_params,
-                                    params,
-                                    return_type,
-                                    body: body_expr,
-                                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                                })
-                            } else {
-                                self.pos = checkpoint;
-                                let open = self.peek().span.clone();
-                                let end = self.skip_brace_balanced()?;
-                                let body_span = SourceSpan::new(self.file, open.byte_start, end);
-                                Ok(SurfaceItem::FnExternalBody {
-                                    name,
-                                    type_params,
-                                    params,
-                                    return_type,
-                                    body_span,
-                                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                                })
-                            }
-                        }
-                        Err(diag) => {
-                            if self.fn_brace_body_expr_err_falls_back_to_external(
-                                first_inner_token_pos,
-                            ) {
-                                self.pos = checkpoint;
-                                let open = self.peek().span.clone();
-                                let end = self.skip_brace_balanced()?;
-                                let body_span = SourceSpan::new(self.file, open.byte_start, end);
-                                Ok(SurfaceItem::FnExternalBody {
-                                    name,
-                                    type_params,
-                                    params,
-                                    return_type,
-                                    body_span,
-                                    span: SourceSpan::new(self.file, fn_kw.span.byte_start, end),
-                                })
-                            } else {
-                                self.pos = checkpoint;
-                                Err(diag)
-                            }
-                        }
-                    }
-                }
-            }
-            other => Err(Diagnostic::ParseError {
-                message: format!("expected `=` or `{{` after fn return type, got {other:?}"),
-                span: self.peek().span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            }),
-        }
-    }
-
-    fn parse_type_item(&mut self) -> Result<SurfaceItem, Diagnostic> {
-        let type_kw = self.expect_kind(TokenKind::KwType)?;
-        let name_token = self.bump().clone();
-        let name = match &name_token.kind {
-            TokenKind::Ident(n) => n.clone(),
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!("expected type name, got {other:?}"),
-                    span: name_token.span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "ParseError",
-                    ),
-                });
-            }
-        };
-        let type_params = self.parse_optional_type_params()?;
-
-        match &self.peek().kind {
-            TokenKind::LBrace => {
-                self.bump();
-                let fields = self.parse_record_fields()?;
-                let close = self.expect_kind(TokenKind::RBrace)?;
-                Ok(SurfaceItem::TypeRecord {
-                    name,
-                    type_params,
-                    fields,
-                    span: SourceSpan::new(self.file, type_kw.span.byte_start, close.span.byte_end),
-                })
-            }
-            TokenKind::Ident(ref s) if s == "inhabits" => {
-                let clause_start = self.peek().span.byte_start;
-                self.bump();
-                let inhabits = self.parse_type_expr()?;
-                let eq = self.expect_kind(TokenKind::Eq)?;
-                let inhabits_clause_span =
-                    SourceSpan::new(self.file, clause_start, eq.span.byte_end);
-                self.parse_type_rhs_after_eq(
-                    name,
-                    type_params,
-                    type_kw.span,
-                    Some(inhabits),
-                    Some(inhabits_clause_span),
-                    false,
-                    None,
-                )
-            }
-            TokenKind::Ident(ref s) if s == "nominal_opaque" => {
-                self.bump();
-                let eq = self.expect_kind(TokenKind::Eq)?;
-                self.parse_type_rhs_after_eq(
-                    name,
-                    type_params,
-                    type_kw.span,
-                    None,
-                    None,
-                    true,
-                    Some(eq.span.clone()),
-                )
-            }
-            TokenKind::Eq => {
-                self.bump();
-                self.parse_type_rhs_after_eq(
-                    name,
-                    type_params,
-                    type_kw.span,
-                    None,
-                    None,
-                    false,
-                    None,
-                )
-            }
-            _ => Ok(SurfaceItem::TypeAtom {
-                name,
-                type_params,
-                span: SourceSpan::new(self.file, type_kw.span.byte_start, name_token.span.byte_end),
-            }),
-        }
-    }
-
-    fn parse_optional_type_params(&mut self) -> Result<Vec<String>, Diagnostic> {
-        if !matches!(self.peek().kind, TokenKind::Lt) {
-            return Ok(Vec::new());
-        }
-        self.bump();
-        let mut params = vec![self.parse_ident()?];
-        while matches!(self.peek().kind, TokenKind::Comma) {
-            self.bump();
-            params.push(self.parse_ident()?);
-        }
-        self.expect_kind(TokenKind::Gt)?;
-        Ok(params)
-    }
-
-    /// Record field labels reuse [`Self::parse_ident`] semantics but also
-    /// accept `type` — the tokenizer maps it to [`TokenKind::KwType`], yet
-    /// `dsl/std/resources.dag` names a field `type` on `ResourceHandle`. Field
-    /// position is unambiguous (`type` cannot start a type expression here).
-    fn parse_field_label(&mut self) -> Result<(String, SourceSpan), Diagnostic> {
-        let name_token = self.bump().clone();
-        let name = if let TokenKind::Ident(name) = &name_token.kind {
-            name.clone()
-        } else if let Some(spelling) = soft_keyword_ident_spelling(&name_token.kind) {
-            spelling.to_string()
-        } else {
-            return Err(Diagnostic::ParseError {
-                message: format!("expected field label, got {:?}", name_token.kind),
-                span: name_token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            });
-        };
-        Ok((name, name_token.span))
-    }
-
-    fn parse_record_fields(&mut self) -> Result<Vec<SurfaceField>, Diagnostic> {
-        let mut fields = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            let (name, _) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let ty = self.parse_type_expr()?;
-            fields.push(SurfaceField { name, ty });
-            if matches!(self.peek().kind, TokenKind::Comma | TokenKind::Semicolon) {
-                self.bump();
-            }
-        }
-        Ok(fields)
-    }
-
-    /// After `type Name<T> =`, decide between TypeSum (one-or-more variants
-    /// separated by `|`, or a **single** variant without a top-level `|` when
-    /// it opens as `Variant { ... }` / `Variant(...)` — PR-A.3 EvalStrategy
-    /// carrier) and TypeAlias (a single type expression). A variant looks like
-    /// `Ident`, `Ident(...)`, or `Ident { ... }`. A type expression can start
-    /// with `Ident<...>` (parameterized), `fn(...)` (arrow), or a bare `Ident`
-    /// at RHS end (alias to another type — **not** a nullary sum; use
-    /// `Variant()` for a single nullary sum variant without `|`).
-    ///
-    /// Optional alias-RHS `where` (DB-11): `where <expr> [, <expr>]*` parses
-    /// to `SurfaceExpr` (comma-separated parts fold as left-associated `&&`).
-    #[allow(clippy::too_many_arguments)]
-    fn parse_type_rhs_after_eq(
-        &mut self,
-        name: String,
-        type_params: Vec<String>,
-        type_kw_span: SourceSpan,
-        inhabits: Option<SurfaceType>,
-        inhabits_clause_span: Option<SourceSpan>,
-        nominal_opaque: bool,
-        nominal_opaque_clause_span: Option<SourceSpan>,
-    ) -> Result<SurfaceItem, Diagnostic> {
-        if !self.rhs_is_sum(&type_params) {
-            if inhabits.is_some() {
-                return Err(Diagnostic::ParseError {
-                    message: String::from(
-                        "`inhabits` is only supported when the type RHS is a sum (`A | B | ...`)",
-                    ),
-                    span: inhabits_clause_span
-                        .clone()
-                        .unwrap_or_else(|| type_kw_span.clone()),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "ParseError",
-                    ),
-                });
-            }
-            let target = self.parse_type_expr()?;
-            let (refinement, end) = if matches!(self.peek().kind, TokenKind::KwWhere) {
-                self.parse_type_alias_where_tail()?
-            } else {
-                (None, target.span().byte_end)
-            };
-            return Ok(SurfaceItem::TypeAlias {
-                name,
-                type_params,
-                nominal_opaque,
-                target,
-                refinement,
-                span: SourceSpan::new(self.file, type_kw_span.byte_start, end),
-            });
-        }
-        if nominal_opaque {
-            return Err(Diagnostic::ParseError {
-                message: String::from(
-                    "`nominal_opaque` is only supported when the type RHS is an alias",
-                ),
-                span: nominal_opaque_clause_span
-                    .clone()
-                    .unwrap_or_else(|| type_kw_span.clone()),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            });
-        }
-
-        let variants = self.parse_sum_variants()?;
-        let end = variants
-            .last()
-            .map(|v| v.span.byte_end)
-            .unwrap_or(type_kw_span.byte_end);
-        Ok(SurfaceItem::TypeSum {
-            name,
-            type_params,
-            variants,
-            inhabits,
-            span: SourceSpan::new(self.file, type_kw_span.byte_start, end),
-        })
-    }
-
-    fn fold_type_alias_where_parts(&self, mut parts: Vec<SurfaceExpr>) -> SurfaceExpr {
-        debug_assert!(!parts.is_empty());
-        if parts.len() == 1 {
-            return parts.pop().expect("len checked");
-        }
-        let mut lhs = parts.remove(0);
-        for rhs in parts {
-            let start = crate::lower_helpers::expr_span(&lhs).byte_start;
-            let end = crate::lower_helpers::expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op: OperatorKind::Logical(LogicalOp::And),
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        lhs
-    }
-
-    /// After `where`, parse one or more comma-separated expressions until the
-    /// next top-level item boundary (commas inside calls/parens stay inside
-    /// `parse_expr`).
-    ///
-    /// **Legacy `dsl/std/types.dag` constraint spellings** (`pattern("…")`,
-    /// `range(min: 1, max: 5)`, `brand("…")`, bare `non_empty`, …) share this
-    /// same expression surface — there is no parallel implicit-subject
-    /// micro-grammar: they must tokenize as `SurfaceExpr` so SG-2 can parse
-    /// the std corpus. `parse_call_args` recognizes `f(a: x, b: y)`-shaped
-    /// opens so inner commas in `range(min: …, max: …)` are not mistaken for
-    /// top-level `where` segment separators (they desugar to a single
-    /// `Record` argument). The same path covers **one** bound, e.g.
-    /// `range(min: 1)` (still `Ident` + `:` after `(`). SG-2
-    /// `handwritten_parser_accepts_types_dag` tokenizes and parses the full
-    /// `dsl/std/types.dag` corpus; PB-1’s committed `bootstrap_std_generated.rs`
-    /// snapshot carries **no** parse-phase `Diagnostic` rows for that file.
-    /// **Lowering** does not emit `Bool` predicate bodies for
-    /// `dsl/std/types.dag` until helpers resolve (see
-    /// `lower_type_alias_refinements_phase` / `alloc_deferred_types_dag_refinement_placeholder`
-    /// in `lower.rs`): a **placeholder** `Declaration::refinement` carries the
-    /// fact that a `where` was authored (P3 — not a silent `None`), while PB-1
-    /// stays diagnostic-clean.
-    fn parse_type_alias_where_tail(&mut self) -> Result<(Option<SurfaceExpr>, u32), Diagnostic> {
-        self.expect_kind(TokenKind::KwWhere)?;
-        let mut parts = vec![self.parse_expr()?];
-        while matches!(self.peek().kind, TokenKind::Comma) {
-            self.bump();
-            parts.push(self.parse_expr()?);
-        }
-        let end = crate::lower_helpers::expr_span(parts.last().expect("at least one where-part"))
-            .byte_end;
-        let combined = self.fold_type_alias_where_parts(parts);
-        Ok((Some(combined), end))
-    }
-
-    /// Lookahead: after `=`, is the RHS a sum? True when (a) a top-level `|`
-    /// exists before the next item boundary, or (b) the RHS opens as
-    /// `Variant {` / `Variant(` at depth zero (single-variant sum without `|`).
-    /// Tracks paren/brace depth so a `|` inside a payload list doesn't confuse
-    /// the scan. [`Self::parse_sum_variants`] skips a **leading** run of `|`
-    /// tokens so `| A | B` and `A | B` both parse.
-    ///
-    /// Do **not** treat [`TokenKind::Ident`] `inhabits` as an item boundary: it
-    /// can spell a sum variant / record field (see [`Self::parse_field_label`],
-    /// [`Self::parse_variant`]).
-    ///
-    /// [`TokenKind::KwType`] is likewise accepted as a variant/field spelling,
-    /// but it also begins every top-level `type` declaration. Whitespace is
-    /// not tokenized, so distinguish `type | …` (variant label) from
-    /// `type Name =` / `type Name<` / `type Name inhabits` (next decl) via a
-    /// two-token lookahead when depth is zero.
-    fn rhs_is_sum(&self, local_alias_reference_idents: &[String]) -> bool {
-        if self.rhs_opens_single_variant_sum_shape(local_alias_reference_idents) {
-            return true;
-        }
-        let mut i = self.pos;
-        let mut depth: i32 = 0;
-        while i < self.tokens.len() {
-            if let Some(role) = bracket_role(&self.tokens[i].kind) {
-                match role {
-                    BracketRole::Opener => {
-                        depth += 1;
-                        i += 1;
-                        continue;
-                    }
-                    BracketRole::Closer => {
-                        if depth == 0 {
-                            return false;
-                        }
-                        depth -= 1;
-                        i += 1;
-                        continue;
-                    }
-                }
-            }
-            match &self.tokens[i].kind {
-                TokenKind::Pipe if depth == 0 => return true,
-                TokenKind::KwType if depth == 0 => {
-                    let next = self.tokens.get(i + 1).map(|t| &t.kind);
-                    let next2 = self.tokens.get(i + 2).map(|t| &t.kind);
-                    let next_decl = match (next, next2) {
-                        (Some(TokenKind::Ident(_)), Some(TokenKind::Eq | TokenKind::Lt)) => true,
-                        (Some(TokenKind::Ident(_)), Some(TokenKind::Ident(s)))
-                            if s == "inhabits" =>
-                        {
-                            true
-                        }
-                        _ => false,
-                    };
-                    if next_decl {
-                        return false;
-                    }
-                }
-                TokenKind::KwWhere | TokenKind::Eof if depth == 0 => return false,
-                _ if depth == 0 && is_type_rhs_boundary_keyword(&self.tokens[i].kind) => {
-                    return false;
-                }
-                _ => {}
-            }
-            i += 1;
-        }
-        false
-    }
-
-    /// After `=`, does the RHS open as a single sum variant without a top-level
-    /// `|`? True for `Variant { ... }`, `Variant(...)` / `Variant()`, and bare
-    /// `Variant` when the spelling is not a known alias target. False for
-    /// `Variant<Args>` — that begins a parameterized **alias** RHS
-    /// (`parse_type_expr`), not a variant payload.
-    fn rhs_opens_single_variant_sum_shape(&self, local_alias_reference_idents: &[String]) -> bool {
-        let i = self.pos;
-        let Some(t0) = self.tokens.get(i) else {
-            return false;
-        };
-        let label = match &t0.kind {
-            TokenKind::Ident(s) => Some(s.as_str()),
-            _ => soft_keyword_ident_spelling(&t0.kind),
-        };
-        let Some(label) = label else {
-            return false;
-        };
-        if matches!(
-            self.tokens.get(i + 1).map(|t| &t.kind),
-            Some(TokenKind::LBrace) | Some(TokenKind::LParen)
-        ) {
-            return true;
-        }
-        let Some(refs) = &self.bare_rhs_alias_reference_idents else {
-            return false;
-        };
-        if refs.contains(label)
-            || local_alias_reference_idents
-                .iter()
-                .any(|name| name == label)
-        {
-            return false;
-        }
-        matches!(
-            self.tokens.get(i + 1).map(|t| &t.kind),
-            Some(TokenKind::KwWhere | TokenKind::Eof)
-        ) || self
-            .tokens
-            .get(i + 1)
-            .is_some_and(|t| is_type_rhs_boundary_keyword(&t.kind))
-    }
-
-    fn parse_sum_variants(&mut self) -> Result<Vec<SurfaceVariant>, Diagnostic> {
-        while matches!(self.peek().kind, TokenKind::Pipe) {
-            self.bump();
-        }
-        let mut variants = vec![self.parse_variant()?];
-        while matches!(self.peek().kind, TokenKind::Pipe) {
-            self.bump();
-            variants.push(self.parse_variant()?);
-        }
-        Ok(variants)
-    }
-
-    fn parse_variant(&mut self) -> Result<SurfaceVariant, Diagnostic> {
-        let name_token = self.bump().clone();
-        let name = if let TokenKind::Ident(name) = &name_token.kind {
-            name.clone()
-        } else if let Some(spelling) = soft_keyword_ident_spelling(&name_token.kind) {
-            spelling.to_string()
-        } else {
-            return Err(Diagnostic::ParseError {
-                message: format!("expected variant name, got {:?}", name_token.kind),
-                span: name_token.span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            });
-        };
-        match &self.peek().kind {
-            TokenKind::LParen => {
-                self.bump();
-                let payload = self.parse_type_expr_list_until(TokenKind::RParen)?;
-                let close = self.expect_kind(TokenKind::RParen)?;
-                Ok(SurfaceVariant {
-                    name,
-                    payload: VariantPayload::Positional(payload),
-                    span: SourceSpan::new(
-                        self.file,
-                        name_token.span.byte_start,
-                        close.span.byte_end,
-                    ),
-                })
-            }
-            TokenKind::LBrace => {
-                self.bump();
-                let fields = self.parse_record_fields()?;
-                let close = self.expect_kind(TokenKind::RBrace)?;
-                Ok(SurfaceVariant {
-                    name,
-                    payload: VariantPayload::Record(fields),
-                    span: SourceSpan::new(
-                        self.file,
-                        name_token.span.byte_start,
-                        close.span.byte_end,
-                    ),
-                })
-            }
-            _ => Ok(SurfaceVariant {
-                name,
-                payload: VariantPayload::Positional(Vec::new()),
-                span: name_token.span,
-            }),
-        }
-    }
-
-    fn parse_params(&mut self) -> Result<Vec<SurfaceParam>, Diagnostic> {
-        let mut params = Vec::new();
-        if matches!(self.peek().kind, TokenKind::RParen) {
-            return Ok(params);
-        }
-        loop {
-            let name = self.parse_ident()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let ty = self.parse_type_expr()?;
-            // DB-11 (3a.3): optional refinement predicate after the
-            // parameter's type. Parsed as an ordinary expression in
-            // the parameter's scope; lowering resolves operators
-            // against the parameter's type algebra.
-            let refinement = if matches!(self.peek().kind, TokenKind::KwWhere) {
-                self.bump();
-                Some(self.parse_expr()?)
-            } else {
-                None
-            };
-            params.push(SurfaceParam {
-                name,
-                ty,
-                refinement,
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(params)
-    }
-
-    fn parse_type_expr(&mut self) -> Result<SurfaceType, Diagnostic> {
-        let mut ty = self.parse_atom_type()?;
-        while matches!(self.peek().kind, TokenKind::Question) {
-            let q = self.bump().clone();
-            let start = ty.span().byte_start;
-            ty = SurfaceType::Optional {
-                inner: Box::new(ty),
-                span: SourceSpan::new(self.file, start, q.span.byte_end),
-            };
-        }
-        Ok(ty)
-    }
-
-    fn parse_atom_type(&mut self) -> Result<SurfaceType, Diagnostic> {
-        if matches!(self.peek().kind, TokenKind::KwFn) {
-            let fn_tok = self.bump().clone();
-            self.expect_kind(TokenKind::LParen)?;
-            let inputs = self.parse_type_expr_list_until(TokenKind::RParen)?;
-            self.expect_kind(TokenKind::RParen)?;
-            self.expect_kind(TokenKind::Arrow)?;
-            let output = self.parse_type_expr()?;
-            let end = output.span().byte_end;
-            return Ok(SurfaceType::Arrow {
-                inputs,
-                output: Box::new(output),
-                span: SourceSpan::new(self.file, fn_tok.span.byte_start, end),
-            });
-        }
-
-        let token = self.bump().clone();
-        let name = match token.kind {
-            TokenKind::Ident(n) => n,
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!("expected type name, got {other:?}"),
-                    span: token.span,
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "ParseError",
-                    ),
-                });
-            }
-        };
-
-        if matches!(self.peek().kind, TokenKind::Lt) && self.looks_like_type_args() {
-            self.bump();
-            let args = self.parse_type_angle_arg_list_until_gt()?;
-            let close = self.expect_kind(TokenKind::Gt)?;
-            Ok(SurfaceType::Parameterized {
-                name,
-                args,
-                span: SourceSpan::new(self.file, token.span.byte_start, close.span.byte_end),
-            })
-        } else {
-            Ok(SurfaceType::Named {
-                name,
-                span: token.span,
-            })
-        }
-    }
-
-    /// `<` is ambiguous: type-parameter delimiter vs. less-than operator. In
-    /// type position (parse_atom_type), we only see `<` after a bare Ident, so
-    /// it's always type args. In expression position (parse_comparison),
-    /// parse_atom_type is not called. This helper exists for defensive future
-    /// callers and currently always returns true.
-    fn looks_like_type_args(&self) -> bool {
-        true
-    }
-
-    /// Decimal width literal permitted **only** inside `<…>` type-argument lists
-    /// (e.g. `Int<64>`). Standalone `let x: 64 = …` must stay a parse error — gate #60
-    /// (single authority: this fragment is spliced by `regen_parse`; do not edit only
-    /// `parse_generated.rs` without updating here).
-    fn parse_width_nat_type_argument(&mut self) -> Result<TypeAngleArg, Diagnostic> {
-        let token = self.bump().clone();
-        match token.kind {
-            TokenKind::IntLit(decimal) => Ok(TypeAngleArg::WidthNatLiteral {
-                decimal,
-                span: token.span,
-            }),
-            other => Err(Diagnostic::ParseError {
-                message: format!("expected decimal width literal, got {other:?}"),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            }),
-        }
-    }
-
-    fn parse_type_angle_arg_list_until_gt(&mut self) -> Result<Vec<TypeAngleArg>, Diagnostic> {
-        let end = TokenKind::Gt;
-        let mut args = Vec::new();
-        if self.peek().kind == end {
-            return Ok(args);
-        }
-        loop {
-            if matches!(self.peek().kind, TokenKind::IntLit(_)) {
-                args.push(self.parse_width_nat_type_argument()?);
-            } else {
-                let ty = self.parse_type_expr()?;
-                args.push(TypeAngleArg::TypeExpr { ty: Box::new(ty) });
-            }
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(args)
-    }
-
-    fn parse_type_expr_list_until(
-        &mut self,
-        end: TokenKind,
-    ) -> Result<Vec<SurfaceType>, Diagnostic> {
-        let mut types = Vec::new();
-        if self.peek().kind == end {
-            return Ok(types);
-        }
-        loop {
-            types.push(self.parse_type_expr()?);
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(types)
-    }
-
-    fn parse_ident(&mut self) -> Result<String, Diagnostic> {
-        let token = self.bump().clone();
-        match token.kind {
-            TokenKind::Ident(name) => Ok(name),
-            other => Err(Diagnostic::ParseError {
-                message: format!("expected identifier, got {other:?}"),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            }),
-        }
-    }
-
-    fn parse_expr(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        self.parse_logical_or()
-    }
-
-    // Per-precedence-level functions below are lowest-to-highest binding
-    // (Or → And → Comparison → Additive → Multiplicative). The token →
-    // `OperatorKind` map for each level is authored declaratively in
-    // `parse_tables.dag` and consumed via `binary_op_at_level`; this file
-    // owns control flow (chaining, non-chaining, span fusion) only.
-
-    fn parse_logical_or(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_logical_and()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Or) {
-            self.bump();
-            let rhs = self.parse_logical_and()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_logical_and(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_comparison()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::And) {
-            self.bump();
-            let rhs = self.parse_comparison()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_comparison(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let lhs = self.parse_additive()?;
-        if let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Comparison) {
-            self.bump();
-            let rhs = self.parse_additive()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            Ok(SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            })
-        } else {
-            Ok(lhs)
-        }
-    }
-
-    fn parse_additive(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_term()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Additive) {
-            self.bump();
-            let rhs = self.parse_term()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_term(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_pipe()?;
-        while let Some(op) = binary_op_at_level(&self.peek().kind, BinaryOpLevel::Multiplicative) {
-            self.bump();
-            let rhs = self.parse_pipe()?;
-            let start = expr_span(&lhs).byte_start;
-            let end = expr_span(&rhs).byte_end;
-            lhs = SurfaceExpr::Operator {
-                op,
-                args: vec![lhs, rhs],
-                span: SourceSpan::new(self.file, start, end),
-            };
-        }
-        Ok(lhs)
-    }
-
-    fn parse_pipe(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let mut lhs = self.parse_primary()?;
-        while matches!(self.peek().kind, TokenKind::PipeArrow) {
-            self.bump();
-            lhs = self.parse_pipe_target(lhs)?;
-        }
-        Ok(lhs)
-    }
-
-    fn parse_pipe_target(&mut self, lhs: SurfaceExpr) -> Result<SurfaceExpr, Diagnostic> {
-        let start = expr_span(&lhs).byte_start;
-        let target_token = self.bump().clone();
-        let target_expr = match target_token.kind {
-            TokenKind::Ident(name) => self.parse_ident_expr(name, target_token.span.clone())?,
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!(
-                        "expected function name after `|>`, got {other:?} — pipe desugars only to `f` or `f(...)`"
-                    ),
-                    span: target_token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-        };
-        match target_expr {
-            SurfaceExpr::Var { name, span } => Ok(SurfaceExpr::Call {
-                target: name,
-                args: vec![lhs],
-                span: SourceSpan::new(self.file, start, span.byte_end),
-            }),
-            SurfaceExpr::Call {
-                target,
-                mut args,
-                span,
-            } => {
-                let mut injected_args = Vec::with_capacity(args.len() + 1);
-                injected_args.push(lhs);
-                injected_args.append(&mut args);
-                Ok(SurfaceExpr::Call {
-                    target,
-                    args: injected_args,
-                    span: SourceSpan::new(self.file, start, span.byte_end),
-                })
-            }
-            SurfaceExpr::Path { span, .. } => Err(Diagnostic::ParseError {
-                message:
-                    "expected function name or call after `|>`; dotted paths are not callable in the current surface grammar"
-                        .to_string(),
-                span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-            SurfaceExpr::PathCall { span, .. } => Err(Diagnostic::ParseError {
-                message:
-                    "expected function name or call after `|>`; dotted-path calls are not pipe targets in the current surface grammar"
-                        .to_string(),
-                span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-            SurfaceExpr::VariantRecord { span, .. } => Err(Diagnostic::ParseError {
-                message:
-                    "expected function name or call after `|>`; named constructor literals are values, not callable pipe targets"
-                        .to_string(),
-                span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-            _ => unreachable!("parse_ident_expr only returns Var, Call, Path, PathCall, or VariantRecord"),
-        }
-    }
-
-    fn parse_primary(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let peek = &self.peek().kind;
-        // Map literals share the `{` prefix with record literals. Top-level `data`
-        // disambiguates via `looks_like_map_literal` before `parse_record_literal`;
-        // mirror that here so nested `Map<String, _>` fields (e.g. GitHub Actions
-        // `with:`) can use string keys like `"fetch-depth"`.
-        if matches!(peek, TokenKind::LBrace) && self.looks_like_map_literal() {
-            return self.parse_map_literal();
-        }
-        match primary_prefix_dispatch(peek) {
-            Some(PrimaryPrefixDispatch::If) => return self.parse_if(),
-            Some(PrimaryPrefixDispatch::Match) => return self.parse_match(),
-            Some(PrimaryPrefixDispatch::Record) => return self.parse_record_literal(),
-            Some(PrimaryPrefixDispatch::List) => return self.parse_list_literal(),
-            Some(PrimaryPrefixDispatch::Caret) => return self.parse_caret(),
-            None => {}
-        }
-        let token = self.bump().clone();
-        let cls = primary_atom_class(&token.kind).ok_or_else(|| Diagnostic::ParseError {
-            message: format!("expected primary expression, got {:?}", token.kind),
-            span: token.span.clone(),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-        })?;
-        match (cls, token.kind) {
-            (PrimaryAtomClass::IntLiteral, TokenKind::IntLit(value)) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::Int(value),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::True, TokenKind::KwTrue) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::Bool(true),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::False, TokenKind::KwFalse) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::Bool(false),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::String, TokenKind::StringLit(value)) => Ok(SurfaceExpr::Literal {
-                value: SurfaceLiteral::String(value),
-                span: token.span,
-            }),
-            (PrimaryAtomClass::Pipe, TokenKind::Pipe) => self.parse_lambda(token.span),
-            (PrimaryAtomClass::Ident, TokenKind::Ident(name)) => {
-                self.parse_ident_expr(name, token.span)
-            }
-            (class, other) => Err(Diagnostic::ParseError {
-                message: format!(
-                    "internal: primary-atom class {class:?} does not match `TokenKind` {other:?} \
-                     (fix `PrimaryAtomRow` in `parse_tables.dag` or `regen_parse_tables` output)"
-                ),
-                span: token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "ParseError",
-                ),
-            }),
-        }
-    }
-
-    /// `^IDENT` → opaque `Symbol` literal (spelling only; no name resolution).
-    /// `^(Expr)` → `discriminant(Expr)` surface sugar (reify ctor name of value).
-    fn parse_caret(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let caret = self.expect_kind(TokenKind::Caret)?;
-        let start = caret.span.byte_start;
-        match &self.peek().kind {
-            TokenKind::Ident(_name) => {
-                let ident = self.bump().clone();
-                let TokenKind::Ident(spelling) = ident.kind else {
-                    unreachable!("peek matched Ident");
-                };
-                Ok(SurfaceExpr::Literal {
-                    value: SurfaceLiteral::Symbol(spelling),
-                    span: SourceSpan::new(self.file, start, ident.span.byte_end),
-                })
-            }
-            TokenKind::LParen => {
-                self.bump();
-                let inner = self.parse_expr()?;
-                let close = self.expect_kind(TokenKind::RParen)?;
-                Ok(SurfaceExpr::Call {
-                    target: "discriminant".to_string(),
-                    args: vec![inner],
-                    span: SourceSpan::new(self.file, start, close.span.byte_end),
-                })
-            }
-            other => Err(Diagnostic::ParseError {
-                message: format!(
-                    "expected identifier or `(` after `^` (symbol literal or discriminant), got {other:?}"
-                ),
-                span: self.peek().span.clone(),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-            }),
-        }
-    }
-
-    fn parse_list_literal(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let open = self.expect_kind(TokenKind::LBracket)?;
-        let mut elements = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBracket) {
-            elements.push(self.parse_expr()?);
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            } else if !matches!(self.peek().kind, TokenKind::RBracket) {
-                return Err(Diagnostic::ParseError {
-                    message: format!(
-                        "expected `,` or `]` in list literal, got {:?}",
-                        self.peek().kind
-                    ),
-                    span: self.peek().span.clone(),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "ParseError",
-                    ),
-                });
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBracket)?;
-        Ok(SurfaceExpr::List {
-            elements,
-            span: SourceSpan::new(self.file, open.span.byte_start, close.span.byte_end),
-        })
-    }
-
-    fn parse_ident_expr(
-        &mut self,
-        name: String,
-        span: SourceSpan,
-    ) -> Result<SurfaceExpr, Diagnostic> {
-        if matches!(self.peek().kind, TokenKind::LParen) {
-            self.bump();
-            let args = self.parse_call_args()?;
-            let close = self.expect_kind(TokenKind::RParen)?;
-            let start = span.byte_start;
-            let end = close.span.byte_end;
-            Ok(SurfaceExpr::Call {
-                target: name,
-                args,
-                span: SourceSpan::new(self.file, start, end),
-            })
-        } else if matches!(self.peek().kind, TokenKind::LBrace) && !self.brace_starts_match_arms() {
-            let (fields, fields_span) = self.parse_named_expr_fields()?;
-            Ok(SurfaceExpr::VariantRecord {
-                target: name,
-                fields,
-                span: SourceSpan::new(self.file, span.byte_start, fields_span.byte_end),
-            })
-        } else if matches!(self.peek().kind, TokenKind::Dot) {
-            // Member-access chain: Ident (. Ident)+. Always
-            // reads at least one additional segment because
-            // the Dot is in the peek. Lowers to
-            // `SurfaceExpr::Path` for downstream resolution
-            // via top-level symbol + Conj-child walk by label.
-            let mut segments = vec![name];
-            let mut segment_spans = vec![span.clone()];
-            let start = span.byte_start;
-            let mut end = span.byte_end;
-            while matches!(self.peek().kind, TokenKind::Dot) {
-                self.bump();
-                let next = self.bump().clone();
-                match next.kind {
-                    TokenKind::Ident(n) => {
-                        end = next.span.byte_end;
-                        segments.push(n);
-                        segment_spans.push(next.span.clone());
-                    }
-                    other => {
-                        return Err(Diagnostic::ParseError {
-                            message: format!(
-                                "expected identifier after `.` in dotted path, got {other:?}"
-                            ),
-                            span: next.span,
-                            correction:
-                                crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                    "ParseError",
-                                ),
-                        });
-                    }
-                }
-            }
-            // Prereq-X1: `<expr>.<ident>(args)` is call-on-field-access.
-            // After the dotted-segment walk, peek for `(`. If present,
-            // consume the call args and emit `PathCall`. The lowerer
-            // (Prereq-X1.a) only accepts `PathCall` whose head segment
-            // is a static `data` binding with `ValueBody::Structural`;
-            // parameter heads (X1.b) and other runtime-sourced heads
-            // produce typed lowering diagnostics.
-            if matches!(self.peek().kind, TokenKind::LParen) {
-                self.bump();
-                let args = self.parse_call_args()?;
-                let close = self.expect_kind(TokenKind::RParen)?;
-                return Ok(SurfaceExpr::PathCall {
-                    segments,
-                    segment_spans,
-                    args,
-                    span: SourceSpan::new(self.file, start, close.span.byte_end),
-                });
-            }
-            Ok(SurfaceExpr::Path {
-                segments,
-                segment_spans,
-                span: SourceSpan::new(self.file, start, end),
-            })
-        } else {
-            Ok(SurfaceExpr::Var { name, span })
-        }
-    }
-
-    fn parse_lambda(&mut self, open_span: SourceSpan) -> Result<SurfaceExpr, Diagnostic> {
-        let mut params = Vec::new();
-        if !matches!(self.peek().kind, TokenKind::Pipe) {
-            loop {
-                let token = self.bump().clone();
-                match token.kind {
-                    TokenKind::Ident(name) => params.push(name),
-                    other => {
-                        return Err(Diagnostic::ParseError {
-                            message: format!(
-                                "expected identifier in lambda parameter list, got {other:?}"
-                            ),
-                            span: token.span,
-                            correction:
-                                crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                    "ParseError",
-                                ),
-                        });
-                    }
-                }
-                if matches!(self.peek().kind, TokenKind::Comma) {
-                    self.bump();
-                    continue;
-                }
-                break;
-            }
-        }
-        self.expect_kind(TokenKind::Pipe)?;
-        let body = self.parse_expr()?;
-        let end = expr_span(&body).byte_end;
-        Ok(SurfaceExpr::Lambda {
-            params,
-            body: Box::new(body),
-            span: SourceSpan::new(self.file, open_span.byte_start, end),
-        })
-    }
-
-    /// True when the next argument is `label:` — enables `f(a: 1, b: 2)` call sugar
-    /// that desugars to `f(Record { a: 1, b: 2 })` so `types.dag` refinements like
-    /// `range(min: 1, max: 5)` parse without changing the `SurfaceExpr::Call` shape.
-    fn call_args_open_with_named_field(&self) -> bool {
-        matches!(
-            self.tokens.get(self.pos).map(|t| &t.kind),
-            Some(TokenKind::Ident(_))
-        ) && matches!(
-            self.tokens.get(self.pos + 1).map(|t| &t.kind),
-            Some(TokenKind::Colon)
-        )
-    }
-
-    /// Parse `label: expr` groups separated by commas until `)` (not consumed).
-    fn parse_paren_named_field_call_args(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let start = self.peek().span.byte_start;
-        let mut fields: Vec<SurfaceRecordField> = Vec::new();
-        loop {
-            let (field_name, name_span) = self.parse_field_label()?;
-            self.expect_kind(TokenKind::Colon)?;
-            let value = self.parse_expr()?;
-            let field_end = expr_span(&value).byte_end;
-            fields.push(SurfaceRecordField {
-                name: field_name,
-                value,
-                span: SourceSpan::new(self.file, name_span.byte_start, field_end),
-            });
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        let end = fields.last().map(|f| f.span.byte_end).unwrap_or(start);
-        Ok(SurfaceExpr::Record {
-            fields,
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-
-    fn parse_call_args(&mut self) -> Result<Vec<SurfaceExpr>, Diagnostic> {
-        let mut args = Vec::new();
-        if matches!(self.peek().kind, TokenKind::RParen) {
-            return Ok(args);
-        }
-        if self.call_args_open_with_named_field() {
-            args.push(self.parse_paren_named_field_call_args()?);
-            return Ok(args);
-        }
-        loop {
-            args.push(self.parse_expr()?);
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-                continue;
-            }
-            break;
-        }
-        Ok(args)
-    }
-
-    fn parse_if(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let if_token = self.bump().clone();
-        debug_assert!(matches!(if_token.kind, TokenKind::KwIf));
-        let cond = self.parse_expr()?;
-        self.expect_kind(TokenKind::KwThen)?;
-        let then_branch = self.parse_expr()?;
-        self.expect_kind(TokenKind::KwElse)?;
-        let else_branch = self.parse_expr()?;
-        let start = if_token.span.byte_start;
-        let end = expr_span(&else_branch).byte_end;
-        Ok(SurfaceExpr::If {
-            cond: Box::new(cond),
-            then_branch: Box::new(then_branch),
-            else_branch: Box::new(else_branch),
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-
-    /// Parse a `match <scrutinee> { <pattern> => <expr> ... }`
-    /// expression. At M1(2.8) patterns are limited to bare variant
-    /// constructors (`Ident`), positional single-payload captures
-    /// (`Variant(binding)`), and named-payload captures
-    /// (`Variant { field: binding }`). Arms are brace-separated with
-    /// optional comma between them for readability; we accept either.
-    fn parse_match(&mut self) -> Result<SurfaceExpr, Diagnostic> {
-        let match_token = self.bump().clone();
-        debug_assert!(matches!(match_token.kind, TokenKind::KwMatch));
-        let scrutinee = self.parse_expr()?;
-        self.expect_kind(TokenKind::LBrace)?;
-        let mut arms: Vec<SurfaceMatchArm> = Vec::new();
-        while !matches!(self.peek().kind, TokenKind::RBrace) {
-            arms.push(self.parse_match_arm()?);
-            // Accept an optional comma between arms.
-            if matches!(self.peek().kind, TokenKind::Comma) {
-                self.bump();
-            }
-        }
-        let close = self.expect_kind(TokenKind::RBrace)?;
-        let start = match_token.span.byte_start;
-        let end = close.span.byte_end;
-        Ok(SurfaceExpr::Match {
-            scrutinee: Box::new(scrutinee),
-            arms,
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-
-    fn parse_match_arm(&mut self) -> Result<SurfaceMatchArm, Diagnostic> {
-        let name_token = self.bump().clone();
-        let pattern = match &name_token.kind {
-            TokenKind::Ident(name) => {
-                if matches!(self.peek().kind, TokenKind::LParen) {
-                    self.bump();
-                    let binding_token = self.bump().clone();
-                    let binding_name = match &binding_token.kind {
-                        TokenKind::Ident(binding) => binding.clone(),
-                        other => {
-                            return Err(Diagnostic::ParseError {
-                                message: format!(
-                                    "expected binding name in payload match pattern after `{name}(`, got {other:?}"
-                                ),
-                                span: binding_token.span,
-                            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                            });
-                        }
-                    };
-                    let close = self.expect_kind(TokenKind::RParen)?;
-                    SurfacePattern::VariantWith {
-                        name: name.clone(),
-                        binding: binding_name,
-                        span: SourceSpan::new(
-                            self.file,
-                            name_token.span.byte_start,
-                            close.span.byte_end,
-                        ),
-                    }
-                } else if matches!(self.peek().kind, TokenKind::LBrace) {
-                    let (fields, fields_span) = self.parse_named_pattern_fields()?;
-                    SurfacePattern::VariantFields {
-                        name: name.clone(),
-                        fields,
-                        span: SourceSpan::new(
-                            self.file,
-                            name_token.span.byte_start,
-                            fields_span.byte_end,
-                        ),
-                    }
-                } else {
-                    SurfacePattern::BareVariant {
-                        name: name.clone(),
-                        span: name_token.span.clone(),
-                    }
-                }
-            }
-            other => {
-                return Err(Diagnostic::ParseError {
-                    message: format!(
-                        "expected variant name in match pattern, got {other:?} — M1(2.8) supports `Variant => expr`, `Variant(binding) => expr`, and `Variant {{ field: binding }} => expr`"
-                    ),
-                    span: name_token.span,
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("ParseError"),
-                });
-            }
-        };
-        self.expect_kind(TokenKind::FatArrow)?;
-        let body = self.parse_expr()?;
-        let start = name_token.span.byte_start;
-        let end = expr_span(&body).byte_end;
-        Ok(SurfaceMatchArm {
-            pattern,
-            body,
-            span: SourceSpan::new(self.file, start, end),
-        })
-    }
-}
-
-pub(crate) fn expr_span(expr: &SurfaceExpr) -> &SourceSpan {
-    match expr {
-        SurfaceExpr::Literal { span, .. }
-        | SurfaceExpr::Var { span, .. }
-        | SurfaceExpr::Path { span, .. }
-        | SurfaceExpr::Call { span, .. }
-        | SurfaceExpr::VariantRecord { span, .. }
-        | SurfaceExpr::Operator { span, .. }
-        | SurfaceExpr::Lambda { span, .. }
-        | SurfaceExpr::If { span, .. }
-        | SurfaceExpr::Match { span, .. }
-        | SurfaceExpr::Record { span, .. }
-        | SurfaceExpr::List { span, .. }
-        | SurfaceExpr::Map { span, .. }
-        | SurfaceExpr::PathCall { span, .. } => span,
-    }
-}
diff --git a/src/v3/compiler/src/parse_surface_generated.rs b/src/v3/compiler/src/parse_surface_generated.rs
deleted file mode 100644
index ab4b115263a..00000000000
--- a/src/v3/compiler/src/parse_surface_generated.rs
+++ /dev/null
@@ -1,254 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/parse_surface.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfaceModule {
-    pub items: Vec<SurfaceItem>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfaceParam {
-    pub name: String,
-    pub ty: SurfaceType,
-    pub refinement: Option<SurfaceExpr>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfaceField {
-    pub name: String,
-    pub ty: SurfaceType,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfaceVariant {
-    pub name: String,
-    pub payload: VariantPayload,
-    pub span: SourceSpan,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfaceRecordField {
-    pub name: String,
-    pub value: SurfaceExpr,
-    pub span: SourceSpan,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfaceMapEntry {
-    pub key: String,
-    pub key_span: SourceSpan,
-    pub value: SurfaceExpr,
-    pub span: SourceSpan,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfaceMatchArm {
-    pub pattern: SurfacePattern,
-    pub body: SurfaceExpr,
-    pub span: SourceSpan,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct SurfacePatternField {
-    pub name: String,
-    pub binding: String,
-    pub span: SourceSpan,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum VariantPayload {
-    Positional(Vec<SurfaceType>),
-    Record(Vec<SurfaceField>),
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum TypeAngleArg {
-    TypeExpr {
-        ty: Box<SurfaceType>,
-    },
-    WidthNatLiteral {
-        decimal: String,
-        span: SourceSpan,
-    },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum SurfaceType {
-    Named {
-        name: String,
-        span: SourceSpan,
-    },
-    Parameterized {
-        name: String,
-        args: Vec<TypeAngleArg>,
-        span: SourceSpan,
-    },
-    Optional {
-        inner: Box<SurfaceType>,
-        span: SourceSpan,
-    },
-    Arrow {
-        inputs: Vec<SurfaceType>,
-        output: Box<SurfaceType>,
-        span: SourceSpan,
-    },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum SurfacePattern {
-    BareVariant {
-        name: String,
-        span: SourceSpan,
-    },
-    VariantWith {
-        name: String,
-        binding: String,
-        span: SourceSpan,
-    },
-    VariantFields {
-        name: String,
-        fields: Vec<SurfacePatternField>,
-        span: SourceSpan,
-    },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum SurfaceLiteral {
-    Int(String),
-    Bool(bool),
-    String(String),
-    Symbol(String),
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum SurfaceExpr {
-    Literal {
-        value: SurfaceLiteral,
-        span: SourceSpan,
-    },
-    Var {
-        name: String,
-        span: SourceSpan,
-    },
-    Path {
-        segments: Vec<String>,
-        segment_spans: Vec<SourceSpan>,
-        span: SourceSpan,
-    },
-    Call {
-        target: String,
-        args: Vec<SurfaceExpr>,
-        span: SourceSpan,
-    },
-    PathCall {
-        segments: Vec<String>,
-        segment_spans: Vec<SourceSpan>,
-        args: Vec<SurfaceExpr>,
-        span: SourceSpan,
-    },
-    VariantRecord {
-        target: String,
-        fields: Vec<SurfaceRecordField>,
-        span: SourceSpan,
-    },
-    Operator {
-        op: OperatorKind,
-        args: Vec<SurfaceExpr>,
-        span: SourceSpan,
-    },
-    Lambda {
-        params: Vec<String>,
-        body: Box<SurfaceExpr>,
-        span: SourceSpan,
-    },
-    If {
-        cond: Box<SurfaceExpr>,
-        then_branch: Box<SurfaceExpr>,
-        else_branch: Box<SurfaceExpr>,
-        span: SourceSpan,
-    },
-    Match {
-        scrutinee: Box<SurfaceExpr>,
-        arms: Vec<SurfaceMatchArm>,
-        span: SourceSpan,
-    },
-    Record {
-        fields: Vec<SurfaceRecordField>,
-        span: SourceSpan,
-    },
-    List {
-        elements: Vec<SurfaceExpr>,
-        span: SourceSpan,
-    },
-    Map {
-        entries: Vec<SurfaceMapEntry>,
-        span: SourceSpan,
-    },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum SurfaceItem {
-    Let {
-        name: String,
-        type_ann: Option<SurfaceType>,
-        expr: SurfaceExpr,
-    },
-    Fn {
-        name: String,
-        type_params: Vec<String>,
-        params: Vec<SurfaceParam>,
-        return_type: SurfaceType,
-        body: SurfaceExpr,
-        span: SourceSpan,
-    },
-    FnExternalBody {
-        name: String,
-        type_params: Vec<String>,
-        params: Vec<SurfaceParam>,
-        return_type: SurfaceType,
-        body_span: SourceSpan,
-        span: SourceSpan,
-    },
-    Data {
-        name: String,
-        ty: SurfaceType,
-        body: Option<SurfaceExpr>,
-        body_span: SourceSpan,
-        span: SourceSpan,
-    },
-    Module {
-        path: Vec<String>,
-        span: SourceSpan,
-    },
-    Import {
-        path: Vec<String>,
-        names: Vec<String>,
-        span: SourceSpan,
-    },
-    TypeAtom {
-        name: String,
-        type_params: Vec<String>,
-        span: SourceSpan,
-    },
-    TypeRecord {
-        name: String,
-        type_params: Vec<String>,
-        fields: Vec<SurfaceField>,
-        span: SourceSpan,
-    },
-    TypeSum {
-        name: String,
-        type_params: Vec<String>,
-        variants: Vec<SurfaceVariant>,
-        inhabits: Option<SurfaceType>,
-        span: SourceSpan,
-    },
-    TypeAlias {
-        name: String,
-        type_params: Vec<String>,
-        nominal_opaque: bool,
-        target: SurfaceType,
-        refinement: Option<SurfaceExpr>,
-        span: SourceSpan,
-    },
-}
diff --git a/src/v3/compiler/src/parse_tables_generated.rs b/src/v3/compiler/src/parse_tables_generated.rs
deleted file mode 100644
index bd6a16236c5..00000000000
--- a/src/v3/compiler/src/parse_tables_generated.rs
+++ /dev/null
@@ -1,178 +0,0 @@
-// AUTO-GENERATED from `src/v3/compiler/parse_tables.dag` via
-// `regen_parse_tables`. Regenerate instead of hand-editing.
-
-use crate::dag::{ArithmeticOp, ComparisonOp, LogicalOp, OperatorKind};
-use crate::tokenize::TokenKind;
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum BinaryOpLevel {
-    Or,
-    And,
-    Comparison,
-    Additive,
-    Multiplicative,
-}
-
-/// Token-to-`OperatorKind` map for the parser's per-precedence-level
-/// functions. Authored as `binary_op_*: BinaryOpRow` rows in
-/// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.
-pub fn binary_op_at_level(tk: &TokenKind, level: BinaryOpLevel) -> Option<OperatorKind> {
-    match (tk, level) {
-        (TokenKind::AmpAmp, BinaryOpLevel::And) => Some(OperatorKind::Logical(LogicalOp::And)),
-        (TokenKind::EqEq, BinaryOpLevel::Comparison) => {
-            Some(OperatorKind::Comparison(ComparisonOp::Eq))
-        }
-        (TokenKind::Ge, BinaryOpLevel::Comparison) => {
-            Some(OperatorKind::Comparison(ComparisonOp::Ge))
-        }
-        (TokenKind::Gt, BinaryOpLevel::Comparison) => {
-            Some(OperatorKind::Comparison(ComparisonOp::Gt))
-        }
-        (TokenKind::Le, BinaryOpLevel::Comparison) => {
-            Some(OperatorKind::Comparison(ComparisonOp::Le))
-        }
-        (TokenKind::Lt, BinaryOpLevel::Comparison) => {
-            Some(OperatorKind::Comparison(ComparisonOp::Lt))
-        }
-        (TokenKind::Minus, BinaryOpLevel::Additive) => {
-            Some(OperatorKind::Arithmetic(ArithmeticOp::Sub))
-        }
-        (TokenKind::NotEq, BinaryOpLevel::Comparison) => {
-            Some(OperatorKind::Comparison(ComparisonOp::Ne))
-        }
-        (TokenKind::PipePipe, BinaryOpLevel::Or) => Some(OperatorKind::Logical(LogicalOp::Or)),
-        (TokenKind::Plus, BinaryOpLevel::Additive) => {
-            Some(OperatorKind::Arithmetic(ArithmeticOp::Add))
-        }
-        (TokenKind::Slash, BinaryOpLevel::Multiplicative) => {
-            Some(OperatorKind::Arithmetic(ArithmeticOp::Div))
-        }
-        (TokenKind::Star, BinaryOpLevel::Multiplicative) => {
-            Some(OperatorKind::Arithmetic(ArithmeticOp::Mul))
-        }
-        _ => None,
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum ItemDispatchKind {
-    Data,
-    Fn,
-    Import,
-    Let,
-    Module,
-    Type,
-}
-
-/// Top-level item keyword (`parse_item`) → dispatch class.
-/// `ItemDispatchKind` is emitted from unique `Kw`-stripped labels of
-/// `TopLevelItemKwRow { token_variant }` rows — not authored as a substrate coproduct.
-pub fn top_level_item_dispatch(kind: &TokenKind) -> Option<ItemDispatchKind> {
-    match kind {
-        TokenKind::KwData => Some(ItemDispatchKind::Data),
-        TokenKind::KwFn => Some(ItemDispatchKind::Fn),
-        TokenKind::KwImport => Some(ItemDispatchKind::Import),
-        TokenKind::KwLet => Some(ItemDispatchKind::Let),
-        TokenKind::KwModule => Some(ItemDispatchKind::Module),
-        TokenKind::KwType => Some(ItemDispatchKind::Type),
-        _ => None,
-    }
-}
-
-/// Keyword membership table for top-level type-RHS boundary lookahead.
-/// Projected from the existing `TopLevelItemKwRow` rows in
-/// `src/v3/compiler/parse_tables.dag`.
-pub fn is_type_rhs_boundary_keyword(kind: &TokenKind) -> bool {
-    matches!(
-        kind,
-        TokenKind::KwData
-            | TokenKind::KwFn
-            | TokenKind::KwImport
-            | TokenKind::KwLet
-            | TokenKind::KwModule
-            | TokenKind::KwType
-    )
-}
-
-/// Keyword tokens that the parser accepts as bare identifier spellings
-/// in label/name positions (`parse_field_label`, `parse_variant`).
-/// Projected from `SoftKeywordIdentRow { token_variant }` rows in
-/// `src/v3/compiler/parse_tables.dag`.
-pub fn soft_keyword_ident_spelling(kind: &TokenKind) -> Option<&'static str> {
-    match kind {
-        TokenKind::KwType => Some("type"),
-        _ => None,
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum BracketRole {
-    Closer,
-    Opener,
-}
-
-/// Bracket opener/closer role for depth-tracking token scans
-/// (`skip_where_clause`, `rhs_is_sum` in `parse_parser_body.txt`).
-/// Authored as `bracket_*: BracketRow` rows in
-/// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.
-pub fn bracket_role(kind: &TokenKind) -> Option<BracketRole> {
-    match kind {
-        TokenKind::LBrace => Some(BracketRole::Opener),
-        TokenKind::LBracket => Some(BracketRole::Opener),
-        TokenKind::LParen => Some(BracketRole::Opener),
-        TokenKind::RBrace => Some(BracketRole::Closer),
-        TokenKind::RBracket => Some(BracketRole::Closer),
-        TokenKind::RParen => Some(BracketRole::Closer),
-        _ => None,
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum PrimaryPrefixDispatch {
-    Caret,
-    If,
-    List,
-    Match,
-    Record,
-}
-
-/// Peek token at the start of `parse_primary` → which dedicated parser to run.
-/// Authored as `primary_prefix_*: PrimaryPrefixRow` rows in
-/// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.
-/// `PrimaryPrefixDispatch` is emitted from those rows — not a substrate coproduct.
-pub fn primary_prefix_dispatch(kind: &TokenKind) -> Option<PrimaryPrefixDispatch> {
-    match kind {
-        TokenKind::Caret => Some(PrimaryPrefixDispatch::Caret),
-        TokenKind::KwIf => Some(PrimaryPrefixDispatch::If),
-        TokenKind::KwMatch => Some(PrimaryPrefixDispatch::Match),
-        TokenKind::LBrace => Some(PrimaryPrefixDispatch::Record),
-        TokenKind::LBracket => Some(PrimaryPrefixDispatch::List),
-        _ => None,
-    }
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum PrimaryAtomClass {
-    False,
-    Ident,
-    IntLiteral,
-    Pipe,
-    String,
-    True,
-}
-
-/// After the `parse_primary` prefix pass, the bumped token is one of the
-/// atomic primary forms. Authored as `primary_atom_*: PrimaryAtomRow` rows in
-/// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.
-/// `PrimaryAtomClass` is emitted from those rows — not a substrate coproduct.
-pub fn primary_atom_class(kind: &TokenKind) -> Option<PrimaryAtomClass> {
-    match kind {
-        TokenKind::Ident(_) => Some(PrimaryAtomClass::Ident),
-        TokenKind::IntLit(_) => Some(PrimaryAtomClass::IntLiteral),
-        TokenKind::KwFalse => Some(PrimaryAtomClass::False),
-        TokenKind::KwTrue => Some(PrimaryAtomClass::True),
-        TokenKind::Pipe => Some(PrimaryAtomClass::Pipe),
-        TokenKind::StringLit(_) => Some(PrimaryAtomClass::String),
-        _ => None,
-    }
-}
diff --git a/src/v3/compiler/src/pb_method_template_projection.rs b/src/v3/compiler/src/pb_method_template_projection.rs
deleted file mode 100644
index 4b6ab40c29e..00000000000
--- a/src/v3/compiler/src/pb_method_template_projection.rs
+++ /dev/null
@@ -1,1447 +0,0 @@
-//! PB-Bootstrap-Process consumer hook: project `MethodTemplateContract` rows
-//! from the full bootstrap `Dag`.
-//!
-//! Implements **R3 row 85 / PB #1560 Gap 4** per the decision in
-//! `docs/decisions/r3-row85-method-template-read-surface.md`. The single
-//! row authority remains `src/v3/std/{rust,python,go}_method_template_contracts.dag`;
-//! this module exposes a target-keyed structural projection of those rows
-//! over the lowered bootstrap `Dag` so PB-zero / v2-retirement consumers can
-//! select rows by target + `MethodRef` without:
-//!
-//! - importing `v3.std.*` into v2 crates (Gap 4 acceptance A1),
-//! - introducing a second `Map<String, String>` template-text authority (A2),
-//! - copying any template strings into v2 sources (A3).
-//!
-//! All five `MethodTemplateContract` fields (`dag_method`, `runtime_template`,
-//! `emit_template`, `wraps_result`, `placeholder_convention`) are preserved
-//! by typed Rust mirrors below (A4). `emit_template` and
-//! `placeholder_convention` are sum carriers; their substrate identity is
-//! preserved as constructor-tagged enums, not flattened to strings.
-//!
-//! Gap 4 only — `LanguageSpec.method_templates` rewrite (Gap 5) and v2 leaf
-//! emit migration are sequenced strictly after this hook lands. No v2
-//! consumer is migrated by this module.
-
-use std::collections::HashMap;
-
-use crate::dag::{Dag, DeclarationId, FieldValue, LiteralBits, TypeConnective, ValueBody};
-
-/// Target language whose `MethodTemplateContract` row list is being projected.
-///
-/// 🟢 TERMINAL at the per-target row-list scope. The three inhabitants
-/// mirror the three closed list-declaration authorities under
-/// `src/v3/std/{rust,python,go}_method_template_contracts.dag`. New
-/// targets land by adding a row-list authority + a constructor here
-/// together; no other dissolution path applies.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum MethodTemplateTarget {
-    Rust,
-    Python,
-    Go,
-}
-
-impl MethodTemplateTarget {
-    /// Per-target list-declaration name in the bootstrap `Dag`. The strings
-    /// here mirror the data declaration names in
-    /// `src/v3/std/{rust,python,go}_method_template_contracts.dag` and are
-    /// the *names of structural declarations*, not template text.
-    fn list_declaration_name(self) -> &'static str {
-        match self {
-            MethodTemplateTarget::Rust => "rust_method_template_contracts",
-            MethodTemplateTarget::Python => "python_method_template_contracts",
-            MethodTemplateTarget::Go => "go_method_template_contracts",
-        }
-    }
-}
-
-/// Projected `MethodEmitTemplate` (substrate sum at
-/// `src/v3/std/emit_model.dag:469-474`).
-///
-/// 🟢 TERMINAL at target method-emission-template scope, inheriting the
-/// terminality of the substrate carrier (`MethodEmitTemplate` is marked
-/// 🟢 TERMINAL at `emit_model.dag:453`). The two-variant split between
-/// inline-lambda and function-reference renderings is the closed semantic
-/// case the substrate already locks; new variants here would mean the
-/// substrate carrier itself moved.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum MethodEmitTemplateProjection {
-    Single {
-        template: String,
-    },
-    HigherOrder {
-        inline_template: String,
-        fn_ref_template: String,
-    },
-}
-
-/// Projected `PlaceholderConvention` (substrate sum at
-/// `src/v3/std/emit_model.dag:449-451`).
-///
-/// 🟢 TERMINAL: nullary two-inhabitant sum (`IndexedArgs | NamedArg`) that
-/// mirrors the closed substrate carrier. New conventions land by editing
-/// the substrate sum first; this projection follows.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum PlaceholderConventionProjection {
-    IndexedArgs,
-    NamedArg,
-}
-
-/// Projected single `MethodTemplateContract` row.
-///
-/// `dag_method` is the `DeclarationId` of the `MethodDeclaration` that the
-/// row's `MethodRef.decl` field references (the typed, fail-closed substrate
-/// identity for the method). Consumers select rows by target +
-/// `dag_method` to recover the `(target, method)` template pair.
-#[derive(Debug, Clone)]
-pub struct MethodTemplateContractRow {
-    pub dag_method: DeclarationId,
-    pub runtime_template: String,
-    pub emit_template: MethodEmitTemplateProjection,
-    pub wraps_result: bool,
-    pub placeholder_convention: PlaceholderConventionProjection,
-}
-
-/// Fail-closed projection error. Every observable mismatch between the
-/// bootstrap `Dag` shape and the `MethodTemplateContract` substrate carrier
-/// surfaces here as a typed value (per `INVARIANTS.md` C-8).
-///
-/// 🟢 TERMINAL at the projection's bootstrap-mismatch scope. Each variant
-/// names a specific structural class the row authorities cannot satisfy;
-/// new variants only land if substrate shape grows a new sub-fact (which
-/// would itself follow §P1). The carrier is therefore a closed
-/// substrate-mismatch enumeration, not a transitional grab-bag.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum MethodTemplateProjectionError {
-    /// Per-target row-list declaration is absent from the bootstrap `Dag`.
-    /// Should be impossible if `BOOTSTRAP_FIXTURE_PATH_KEYS` (`bootstrap.rs`)
-    /// stays in lockstep with `bootstrap_fixture_authority` and
-    /// `regen_bootstrap --verify` is green; surfaced rather than panicked
-    /// so consumers can act on it.
-    ListDeclarationMissing { name: &'static str },
-    /// List declaration has no value body (i.e., not a `data` declaration).
-    ListDeclarationLacksValueBody { name: &'static str },
-    /// List declaration's value body is not `ValueBody::List` — violates the
-    /// `bootstrap_method_template_contracts_lower_to_list_with_empty_diagnostics`
-    /// gate per the row-85 decision doc.
-    ListDeclarationValueBodyNotList { name: &'static str },
-    /// Row at the given index in the named list is not a record literal.
-    RowNotRecord {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// Row is a declaration reference, but the referenced declaration is not
-    /// present in the bootstrap `Dag`.
-    RowReferenceMissing {
-        list: &'static str,
-        row_index: usize,
-        decl_id: DeclarationId,
-    },
-    /// Row is a declaration reference, but the referenced declaration is not a
-    /// `data` declaration carrying a structural `MethodTemplateContract` body.
-    RowReferenceNotStructural {
-        list: &'static str,
-        row_index: usize,
-        decl_id: DeclarationId,
-    },
-    /// Row is a declaration reference, but the referenced declaration does
-    /// not instantiate the `MethodTemplateContract` carrier. A structural
-    /// lookalike row is still not a contract row authority.
-    RowReferenceNotMethodTemplateContract {
-        list: &'static str,
-        row_index: usize,
-        decl_id: DeclarationId,
-    },
-    /// Row is missing one of the five required fields.
-    RowMissingField {
-        list: &'static str,
-        row_index: usize,
-        field: &'static str,
-    },
-    /// Row carries a duplicate field — two entries share a label. The
-    /// substrate-side `MethodTemplateContract` (and `MethodRef`) carriers
-    /// declare each field exactly once; duplicates would mean two
-    /// authorities for the same row coordinate (P2 single-authority).
-    RowDuplicateField {
-        list: &'static str,
-        row_index: usize,
-        record: &'static str,
-        field: &'static str,
-        first_field_index: usize,
-        duplicate_field_index: usize,
-    },
-    /// Row carries a field whose label is not one of the closed schema
-    /// (`MethodTemplateContract` = five fields; `MethodRef` = one field).
-    /// Extra substrate fields land via the substrate carrier, not via
-    /// projection-side acceptance, so unknown labels surface here rather
-    /// than being silently ignored (P2 / C-8).
-    RowUnknownField {
-        list: &'static str,
-        row_index: usize,
-        record: &'static str,
-        field: String,
-        field_index: usize,
-    },
-    /// `dag_method` field is not the `MethodRef { decl }` record shape.
-    DagMethodNotMethodRefRecord {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// `MethodRef.decl` is not a typed substrate reference.
-    MethodRefDeclNotReference {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// `MethodRef.decl` references a declaration that does not satisfy
-    /// the substrate-side `MethodDeclaration` *data-binding* contract
-    /// (`src/v3/std/methods.dag` + `dsl/std/methods.dag`). Mirrors the
-    /// Stratum A registry gate
-    /// (`src/v3/grounding_tests/src/stratum_a.rs::method_registry_name`):
-    /// the binding must (a) instantiate `MethodDeclaration`, (b) carry
-    /// a `Structural` value body, (c) have a closed single-`name` field
-    /// schema, (d) and the `name` value must be a string literal. The
-    /// `reason` payload identifies which sub-check failed.
-    MethodRefDeclNotMethodDeclaration {
-        list: &'static str,
-        row_index: usize,
-        decl_id: DeclarationId,
-        reason: MethodDeclarationBindingViolation,
-    },
-    /// `method_template_contract_row` was called with a `dag_method`
-    /// `DeclarationId` that does not satisfy the
-    /// `MethodDeclaration` data-binding contract (same shape and
-    /// `reason` taxonomy as `MethodRefDeclNotMethodDeclaration`). The
-    /// helper validates at entry so callers cannot conflate
-    /// "valid method, no row" with "caller handed in a non-method
-    /// declaration."
-    LookupKeyNotMethodDeclaration {
-        decl_id: DeclarationId,
-        reason: MethodDeclarationBindingViolation,
-    },
-    /// `MethodDeclaration` itself is missing from the bootstrap `Dag`.
-    /// Should be impossible if the std fixtures lower cleanly; surfaced
-    /// rather than panicked so consumers can act on it.
-    MethodDeclarationCarrierMissing,
-    /// `runtime_template` field is not a string literal.
-    RuntimeTemplateNotString {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// `wraps_result` field is not a bool literal.
-    WrapsResultNotBool {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// `placeholder_convention` field is not a substrate variant constructor.
-    PlaceholderConventionNotVariant {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// `placeholder_convention` constructor name is unknown.
-    PlaceholderConventionUnknown {
-        list: &'static str,
-        row_index: usize,
-        constructor: Option<String>,
-    },
-    /// `placeholder_convention` is a nullary sum (`IndexedArgs | NamedArg`),
-    /// but the variant payload is non-empty. Mirrors the substrate-side
-    /// canonical-row check
-    /// `placeholder_convention_canonical_rejects_payload_for_nullary_indexed_args`
-    /// in `src/v3/grounding_tests/src/stratum_a.rs`.
-    PlaceholderConventionPayloadNotEmpty {
-        list: &'static str,
-        row_index: usize,
-        constructor: &'static str,
-        payload_len: usize,
-    },
-    /// `emit_template` field is not a substrate variant constructor.
-    EmitTemplateNotVariant {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// `emit_template` constructor name is unknown.
-    EmitTemplateUnknownConstructor {
-        list: &'static str,
-        row_index: usize,
-        constructor: Option<String>,
-    },
-    /// `emit_template` `SingleTemplate` payload shape mismatch (expected one
-    /// string-typed `template` field).
-    EmitTemplateSinglePayloadShape {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// `emit_template` `HigherOrderTemplates` payload shape mismatch
-    /// (expected two string-typed fields: `inline_template`, `fn_ref_template`).
-    EmitTemplateHigherOrderPayloadShape {
-        list: &'static str,
-        row_index: usize,
-    },
-    /// The `(target, dag_method)` direct lookup helper found more than one row
-    /// for the same `MethodDeclaration` in the per-target list. Per-target
-    /// uniqueness by `dag_method` is the substrate-side claim
-    /// (`method_template_contract_per_target_dag_method_unique`); the helper
-    /// surfaces a violation rather than silently selecting the first row
-    /// (P2 single-authority + P3 fail-closed at the public lookup boundary).
-    DuplicateMethodTemplateRow {
-        list: &'static str,
-        first_row_index: usize,
-        duplicate_row_index: usize,
-    },
-}
-
-/// Granular reason for a `MethodDeclaration` data-binding contract failure.
-///
-/// 🟢 TERMINAL at the substrate-side data-binding contract scope
-/// (`src/v3/std/methods.dag` + Stratum A `method_registry_name`). Each
-/// variant maps one of the four sub-checks the contract requires; the
-/// substrate-side contract is closed (`MethodDeclaration` carries a
-/// single `name: String` field), so this enumeration is closed too.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum MethodDeclarationBindingViolation {
-    /// Connective is not `TypeConnective::Instantiation { template, .. }`.
-    /// Rules out type / sum / record declarations.
-    ConnectiveNotInstantiation,
-    /// `Instantiation` connective, but `template` does not match
-    /// `MethodDeclaration`'s declaration id. Rules out instantiations of
-    /// unrelated targets.
-    InstantiationTemplateNotMethodDeclaration,
-    /// `value_body` is `None`. Rules out type aliases of the form
-    /// `type Foo = MethodDeclaration`.
-    ValueBodyMissing,
-    /// `value_body` is `Some(_)` but not `ValueBody::Structural`. Rules
-    /// out `List` / `Map` / scalar bodies that would be wrong-shaped for
-    /// a `MethodDeclaration` data binding.
-    ValueBodyNotStructural,
-    /// `Structural` body, but its field set does not match the closed
-    /// `MethodDeclaration` schema (single `name` field). Mirrors
-    /// `enforce_closed_record_schema` in Stratum A.
-    StructuralFieldsNotClosedNameOnly { observed_labels: Vec<String> },
-    /// Closed-schema match, but the `name` field's `FieldValue` is not
-    /// `Literal(LiteralBits::String(_))`.
-    NameNotStringLiteral,
-}
-
-/// Project the `MethodTemplateContract` rows for `target` from the full
-/// bootstrap `Dag` snapshot.
-///
-/// The expected source for `dag` is `generated_full_bootstrap_dag()` (or its
-/// equivalent under PB-1-e dissolution-first per #1558 — see the
-/// row-85 decision doc §"Non-Fork Ratchet"). Calling on a partially-built
-/// `Dag` that is missing the per-target list authorities surfaces
-/// [`MethodTemplateProjectionError::ListDeclarationMissing`] rather than
-/// panicking.
-///
-/// **Boundary contract:** this is the canonical PB-zero consumer hook for
-/// row text. v2-side migrations consume `Vec<MethodTemplateContractRow>` and
-/// must not store or carry parallel `Map<String, String>` template tables;
-/// the structural carrier is the typed projection above.
-pub fn method_template_contract_rows(
-    dag: &Dag,
-    target: MethodTemplateTarget,
-) -> Result<Vec<MethodTemplateContractRow>, MethodTemplateProjectionError> {
-    let list_name = target.list_declaration_name();
-    let decl = dag
-        .declaration_by_name(list_name)
-        .ok_or(MethodTemplateProjectionError::ListDeclarationMissing { name: list_name })?;
-    let body = decl
-        .value_body
-        .as_ref()
-        .ok_or(MethodTemplateProjectionError::ListDeclarationLacksValueBody { name: list_name })?;
-    let ValueBody::List(rows) = body else {
-        return Err(
-            MethodTemplateProjectionError::ListDeclarationValueBodyNotList { name: list_name },
-        );
-    };
-
-    let projected: Vec<MethodTemplateContractRow> = rows
-        .iter()
-        .enumerate()
-        .map(|(row_index, row)| project_row(dag, list_name, row_index, row))
-        .collect::<Result<_, _>>()?;
-
-    // Per-target uniqueness by `dag_method` is the substrate-side claim
-    // (`method_template_contract_per_target_dag_method_unique`). Enforce it
-    // at the canonical row-list boundary so v2-retirement consumers that
-    // build their own keyed tables from the projection cannot silently
-    // observe two authorities for the same `(target, MethodRef)` pair.
-    let mut first_seen: HashMap<DeclarationId, usize> = HashMap::with_capacity(projected.len());
-    for (index, row) in projected.iter().enumerate() {
-        if let Some(prior) = first_seen.get(&row.dag_method) {
-            return Err(MethodTemplateProjectionError::DuplicateMethodTemplateRow {
-                list: list_name,
-                first_row_index: *prior,
-                duplicate_row_index: index,
-            });
-        }
-        first_seen.insert(row.dag_method, index);
-    }
-
-    Ok(projected)
-}
-
-/// Direct `(target, dag_method)` lookup helper for Gap-5 / leaf-emit
-/// consumers. Returns the row whose `dag_method` matches `dag_method`, or
-/// `None` if the per-target list does not contain a row keyed by that
-/// `MethodDeclaration`.
-///
-/// **Fail-closed on non-method keys.** `dag_method` must instantiate
-/// `MethodDeclaration` — the helper validates this at entry so a caller
-/// cannot conflate two distinct states: "valid `MethodDeclaration` with
-/// no row for this target" (returns `Ok(None)`) versus "caller supplied
-/// a declaration that is not a `MethodDeclaration` at all" (returns
-/// [`MethodTemplateProjectionError::LookupKeyNotMethodDeclaration`]).
-/// This mirrors the per-row `MethodRef.decl` check the projection
-/// already enforces; until `DeclarationRef<MethodDeclaration>`
-/// refinement-typing lands, this is the only place the boundary can
-/// hold.
-///
-/// Other typed projection failures — including
-/// [`MethodTemplateProjectionError::DuplicateMethodTemplateRow`], which is
-/// enforced at the canonical row-list boundary in
-/// [`method_template_contract_rows`] — bubble through.
-pub fn method_template_contract_row(
-    dag: &Dag,
-    target: MethodTemplateTarget,
-    dag_method: DeclarationId,
-) -> Result<Option<MethodTemplateContractRow>, MethodTemplateProjectionError> {
-    let method_declaration_id = method_declaration_carrier_id(dag)?;
-    if let Err(reason) =
-        validate_method_declaration_data_binding(dag, dag_method, method_declaration_id)
-    {
-        return Err(
-            MethodTemplateProjectionError::LookupKeyNotMethodDeclaration {
-                decl_id: dag_method,
-                reason,
-            },
-        );
-    }
-    let rows = method_template_contract_rows(dag, target)?;
-    Ok(rows.into_iter().find(|row| row.dag_method == dag_method))
-}
-
-/// Locate the `MethodDeclaration` carrier declaration in the bootstrap
-/// `Dag` once. Surfaces [`MethodTemplateProjectionError::MethodDeclarationCarrierMissing`]
-/// when the carrier is absent rather than panicking.
-pub(crate) fn method_declaration_carrier_id(
-    dag: &Dag,
-) -> Result<DeclarationId, MethodTemplateProjectionError> {
-    Ok(dag
-        .declaration_by_name("MethodDeclaration")
-        .ok_or(MethodTemplateProjectionError::MethodDeclarationCarrierMissing)?
-        .id)
-}
-
-/// Validate that `decl_id` references a `MethodDeclaration` *data binding*
-/// per the substrate-side contract (`src/v3/std/methods.dag` +
-/// `dsl/std/methods.dag`).
-///
-/// Mirrors `src/v3/grounding_tests/src/stratum_a.rs::method_registry_name`
-/// so projection-side and Stratum A-side enforcement of the same gate
-/// stay in lockstep. Four sub-checks must all pass:
-///
-///  1. **Connective is `Instantiation`.** Rules out type / sum / record
-///     declarations.
-///  2. **`Instantiation.template == MethodDeclaration`.** Rules out
-///     instantiations of unrelated targets.
-///  3. **`value_body` is `Some(ValueBody::Structural { .. })`.** Rules
-///     out type aliases (`type Foo = MethodDeclaration`, no value body)
-///     and wrong-shaped data bindings (`List` / `Map` / scalar bodies).
-///  4. **`Structural` fields are exactly `[name]` with a string literal
-///     value.** Closed schema check — mirrors
-///     `enforce_closed_record_schema` in Stratum A. Rules out extra
-///     fields, missing `name`, duplicate `name`, and non-string-literal
-///     `name` values.
-///
-/// On success returns the projected method name (`name` field's string
-/// literal). On failure returns the typed
-/// [`MethodDeclarationBindingViolation`] reason.
-///
-/// Both `project_dag_method` (per-row) and `method_template_contract_row`
-/// (lookup helper) consume this helper so the data-binding identity is
-/// factored once.
-pub(crate) fn validate_method_declaration_data_binding(
-    dag: &Dag,
-    decl_id: DeclarationId,
-    method_declaration_id: DeclarationId,
-) -> Result<String, MethodDeclarationBindingViolation> {
-    let referenced = dag.declaration(decl_id);
-
-    // (1) + (2) Connective + template.
-    let template = match &referenced.connective {
-        TypeConnective::Instantiation { template, .. } => *template,
-        _ => return Err(MethodDeclarationBindingViolation::ConnectiveNotInstantiation),
-    };
-    if template != method_declaration_id {
-        return Err(MethodDeclarationBindingViolation::InstantiationTemplateNotMethodDeclaration);
-    }
-
-    // (3) Value body present and Structural.
-    let value_body = referenced
-        .value_body
-        .as_ref()
-        .ok_or(MethodDeclarationBindingViolation::ValueBodyMissing)?;
-    let ValueBody::Structural { fields } = value_body else {
-        return Err(MethodDeclarationBindingViolation::ValueBodyNotStructural);
-    };
-
-    // (4) Closed `[name]` schema with string-literal value. Reject any
-    // duplicate or unknown label, require `name` to be present exactly
-    // once. Mirrors Stratum A's enforce_closed_record_schema.
-    const EXPECTED: &[&str] = &["name"];
-    let name_count = fields.iter().filter(|(label, _)| label == "name").count();
-    let any_unknown = fields
-        .iter()
-        .any(|(label, _)| !EXPECTED.contains(&label.as_str()));
-    if fields.len() != EXPECTED.len() || name_count != 1 || any_unknown {
-        let observed_labels: Vec<String> = fields.iter().map(|(label, _)| label.clone()).collect();
-        return Err(
-            MethodDeclarationBindingViolation::StructuralFieldsNotClosedNameOnly {
-                observed_labels,
-            },
-        );
-    }
-    let (_, name_value) = fields
-        .iter()
-        .find(|(label, _)| label == "name")
-        .expect("closed-schema check above guarantees a single `name` field");
-    match name_value {
-        FieldValue::Literal(LiteralBits::String(s)) => Ok(s.clone()),
-        _ => Err(MethodDeclarationBindingViolation::NameNotStringLiteral),
-    }
-}
-
-fn project_row(
-    dag: &Dag,
-    list: &'static str,
-    row_index: usize,
-    row: &FieldValue,
-) -> Result<MethodTemplateContractRow, MethodTemplateProjectionError> {
-    let fields = match row {
-        FieldValue::Record(fields) => fields,
-        FieldValue::Reference(decl_id) => {
-            let decl = dag.declaration_opt(decl_id).ok_or(
-                MethodTemplateProjectionError::RowReferenceMissing {
-                    list,
-                    row_index,
-                    decl_id: *decl_id,
-                },
-            )?;
-            let method_template_contract = dag.method_template_contract_decl().ok_or(
-                MethodTemplateProjectionError::RowReferenceNotMethodTemplateContract {
-                    list,
-                    row_index,
-                    decl_id: *decl_id,
-                },
-            )?;
-            let TypeConnective::Instantiation { template, .. } = &decl.connective else {
-                return Err(
-                    MethodTemplateProjectionError::RowReferenceNotMethodTemplateContract {
-                        list,
-                        row_index,
-                        decl_id: *decl_id,
-                    },
-                );
-            };
-            if *template != method_template_contract {
-                return Err(
-                    MethodTemplateProjectionError::RowReferenceNotMethodTemplateContract {
-                        list,
-                        row_index,
-                        decl_id: *decl_id,
-                    },
-                );
-            }
-            match decl.value_body.as_ref() {
-                Some(ValueBody::Structural { fields }) => fields,
-                _ => {
-                    return Err(MethodTemplateProjectionError::RowReferenceNotStructural {
-                        list,
-                        row_index,
-                        decl_id: *decl_id,
-                    });
-                }
-            }
-        }
-        _ => return Err(MethodTemplateProjectionError::RowNotRecord { list, row_index }),
-    };
-
-    const EXPECTED: &[&str] = &[
-        "dag_method",
-        "runtime_template",
-        "emit_template",
-        "wraps_result",
-        "placeholder_convention",
-    ];
-    let lookup = closed_record_lookup(list, row_index, "MethodTemplateContract", fields, EXPECTED)?;
-
-    let dag_method_value = lookup_required(list, row_index, &lookup, "dag_method")?;
-    let dag_method = project_dag_method(dag, list, row_index, dag_method_value)?;
-
-    let runtime_template_value = lookup_required(list, row_index, &lookup, "runtime_template")?;
-    let runtime_template = match runtime_template_value {
-        FieldValue::Literal(LiteralBits::String(s)) => s.clone(),
-        _ => {
-            return Err(MethodTemplateProjectionError::RuntimeTemplateNotString {
-                list,
-                row_index,
-            });
-        }
-    };
-
-    let emit_template_value = lookup_required(list, row_index, &lookup, "emit_template")?;
-    let emit_template = project_emit_template(dag, list, row_index, emit_template_value)?;
-
-    let wraps_result_value = lookup_required(list, row_index, &lookup, "wraps_result")?;
-    let wraps_result = match wraps_result_value {
-        FieldValue::Literal(LiteralBits::Bool(b)) => *b,
-        _ => return Err(MethodTemplateProjectionError::WrapsResultNotBool { list, row_index }),
-    };
-
-    let placeholder_value = lookup_required(list, row_index, &lookup, "placeholder_convention")?;
-    let placeholder_convention = project_placeholder(dag, list, row_index, placeholder_value)?;
-
-    Ok(MethodTemplateContractRow {
-        dag_method,
-        runtime_template,
-        emit_template,
-        wraps_result,
-        placeholder_convention,
-    })
-}
-
-/// Validate that `fields` carries exactly the closed set of `expected`
-/// labels — no duplicates, no unknowns. Missing labels are not reported
-/// here (the per-field `lookup_required` calls below surface those as
-/// `RowMissingField` so the error names *which* field is missing).
-///
-/// Returns a label-to-`FieldValue` map for the present fields; collisions
-/// surface as `RowDuplicateField` and unknown labels surface as
-/// `RowUnknownField`. `record` names the carrier (e.g.
-/// `"MethodTemplateContract"` or `"MethodRef"`) for diagnostic context.
-fn closed_record_lookup<'a>(
-    list: &'static str,
-    row_index: usize,
-    record: &'static str,
-    fields: &'a [(String, FieldValue)],
-    expected: &[&'static str],
-) -> Result<HashMap<&'a str, &'a FieldValue>, MethodTemplateProjectionError> {
-    let mut lookup: HashMap<&'static str, &FieldValue> = HashMap::with_capacity(expected.len());
-    let mut first_seen_index: HashMap<&'static str, usize> = HashMap::with_capacity(expected.len());
-    for (field_index, (label, value)) in fields.iter().enumerate() {
-        // Resolve the row-side `String` label to its `&'static str` in
-        // `expected`. Holding the static reference avoids re-scanning the
-        // expected slice (and the `.expect()` re-borrow) on the duplicate
-        // path; non-membership surfaces as `RowUnknownField`.
-        let Some(static_label) = expected.iter().copied().find(|exp| *exp == label.as_str()) else {
-            return Err(MethodTemplateProjectionError::RowUnknownField {
-                list,
-                row_index,
-                record,
-                field: label.clone(),
-                field_index,
-            });
-        };
-        if let Some(prior_index) = first_seen_index.get(static_label) {
-            return Err(MethodTemplateProjectionError::RowDuplicateField {
-                list,
-                row_index,
-                record,
-                field: static_label,
-                first_field_index: *prior_index,
-                duplicate_field_index: field_index,
-            });
-        }
-        lookup.insert(static_label, value);
-        first_seen_index.insert(static_label, field_index);
-    }
-    Ok(lookup)
-}
-
-fn lookup_required<'a>(
-    list: &'static str,
-    row_index: usize,
-    lookup: &HashMap<&'a str, &'a FieldValue>,
-    field: &'static str,
-) -> Result<&'a FieldValue, MethodTemplateProjectionError> {
-    lookup
-        .get(field)
-        .copied()
-        .ok_or(MethodTemplateProjectionError::RowMissingField {
-            list,
-            row_index,
-            field,
-        })
-}
-
-fn project_dag_method(
-    dag: &Dag,
-    list: &'static str,
-    row_index: usize,
-    value: &FieldValue,
-) -> Result<DeclarationId, MethodTemplateProjectionError> {
-    let FieldValue::Record(method_ref_fields) = value else {
-        return Err(MethodTemplateProjectionError::DagMethodNotMethodRefRecord { list, row_index });
-    };
-    // `MethodRef` is a single-field carrier (`{ decl: DeclarationRef }`)
-    // per `src/v3/std/methods.dag`. Apply the same closed-schema check
-    // as the outer row so duplicates (`{ decl: a, decl: b }`) and
-    // unknown extras (`{ decl: ..., extra: ... }`) surface as typed
-    // errors instead of being silently ignored.
-    const METHOD_REF_FIELDS: &[&str] = &["decl"];
-    let lookup = closed_record_lookup(
-        list,
-        row_index,
-        "MethodRef",
-        method_ref_fields,
-        METHOD_REF_FIELDS,
-    )?;
-    let decl_value = lookup
-        .get("decl")
-        .copied()
-        .ok_or(MethodTemplateProjectionError::DagMethodNotMethodRefRecord { list, row_index })?;
-    let decl_id = match decl_value {
-        FieldValue::Reference(decl_id) => *decl_id,
-        _ => {
-            return Err(MethodTemplateProjectionError::MethodRefDeclNotReference {
-                list,
-                row_index,
-            });
-        }
-    };
-    // `src/v3/std/methods.dag` calls out the boundary contract: today's
-    // substrate grammar can't express `DeclarationRef<MethodDeclaration>`,
-    // so the projection enforces fail-closed at the boundary that
-    // `decl` references a `MethodDeclaration`-instantiating data binding.
-    // Pattern mirrors `method_registry_test.rs::method_registry_covers_*`.
-    let method_declaration_id = method_declaration_carrier_id(dag)?;
-    if let Err(reason) =
-        validate_method_declaration_data_binding(dag, decl_id, method_declaration_id)
-    {
-        return Err(
-            MethodTemplateProjectionError::MethodRefDeclNotMethodDeclaration {
-                list,
-                row_index,
-                decl_id,
-                reason,
-            },
-        );
-    }
-    Ok(decl_id)
-}
-
-fn project_emit_template(
-    dag: &Dag,
-    list: &'static str,
-    row_index: usize,
-    value: &FieldValue,
-) -> Result<MethodEmitTemplateProjection, MethodTemplateProjectionError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(MethodTemplateProjectionError::EmitTemplateNotVariant { list, row_index });
-    };
-    let constructor_label = disj_variant_label(dag, "MethodEmitTemplate", *constructor);
-    match constructor_label {
-        Some("SingleTemplate") => {
-            // Payload shape (positional, per FieldValue::Variant): one
-            // `template: String` field. Lowering produces a single
-            // record-shaped payload entry whose only field is `template`.
-            let template = single_template_payload(list, row_index, payload)?;
-            Ok(MethodEmitTemplateProjection::Single { template })
-        }
-        Some("HigherOrderTemplates") => {
-            let (inline_template, fn_ref_template) =
-                higher_order_payload(list, row_index, payload)?;
-            Ok(MethodEmitTemplateProjection::HigherOrder {
-                inline_template,
-                fn_ref_template,
-            })
-        }
-        other => Err(
-            MethodTemplateProjectionError::EmitTemplateUnknownConstructor {
-                list,
-                row_index,
-                constructor: other.map(str::to_string),
-            },
-        ),
-    }
-}
-
-/// Recover a sum-variant label by walking the parent `Disj` declaration's
-/// variant list. Variant constructor declarations themselves do not carry
-/// `name`; identity flows through the parent's `variants[i].label`. Mirrors
-/// the pattern used in `tests/integration/method_template_contract_test.rs`
-/// (`method_emit_template_variant_label`).
-fn disj_variant_label<'a>(
-    dag: &'a Dag,
-    parent_name: &str,
-    constructor: DeclarationId,
-) -> Option<&'a str> {
-    let parent = dag.declaration_by_name(parent_name)?;
-    let TypeConnective::Disj { variants } = &parent.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == constructor)
-        .map(|variant| variant.label.as_str())
-}
-
-fn single_template_payload(
-    list: &'static str,
-    row_index: usize,
-    payload: &[FieldValue],
-) -> Result<String, MethodTemplateProjectionError> {
-    // `Variant.payload` is positional per the substrate carrier
-    // (`FieldValue::Variant` doc-comment). `SingleTemplate { template: String }`
-    // therefore lowers to a single-element payload carrying the string literal.
-    match payload {
-        [FieldValue::Literal(LiteralBits::String(s))] => Ok(s.clone()),
-        _ => Err(MethodTemplateProjectionError::EmitTemplateSinglePayloadShape { list, row_index }),
-    }
-}
-
-fn higher_order_payload(
-    list: &'static str,
-    row_index: usize,
-    payload: &[FieldValue],
-) -> Result<(String, String), MethodTemplateProjectionError> {
-    // `HigherOrderTemplates { inline_template: String, fn_ref_template: String }`
-    // lowers to a two-element positional payload carrying the two string
-    // literals in declaration order.
-    match payload {
-        [FieldValue::Literal(LiteralBits::String(inline)), FieldValue::Literal(LiteralBits::String(fn_ref))] => {
-            Ok((inline.clone(), fn_ref.clone()))
-        }
-        _ => Err(
-            MethodTemplateProjectionError::EmitTemplateHigherOrderPayloadShape { list, row_index },
-        ),
-    }
-}
-
-fn project_placeholder(
-    dag: &Dag,
-    list: &'static str,
-    row_index: usize,
-    value: &FieldValue,
-) -> Result<PlaceholderConventionProjection, MethodTemplateProjectionError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(
-            MethodTemplateProjectionError::PlaceholderConventionNotVariant { list, row_index },
-        );
-    };
-    let constructor_label = disj_variant_label(dag, "PlaceholderConvention", *constructor);
-    // `PlaceholderConvention` is a nullary sum (`IndexedArgs | NamedArg`)
-    // per `src/v3/std/emit_model.dag:449-451`. A non-empty payload would
-    // mean a malformed bootstrap row (e.g., `IndexedArgs(false)`) that the
-    // projection must surface as a typed error rather than silently
-    // discarding. Mirrors the substrate-side canonical-row check in
-    // `src/v3/grounding_tests/src/stratum_a.rs`.
-    let (label, projection) = match constructor_label {
-        Some("IndexedArgs") => ("IndexedArgs", PlaceholderConventionProjection::IndexedArgs),
-        Some("NamedArg") => ("NamedArg", PlaceholderConventionProjection::NamedArg),
-        other => {
-            return Err(
-                MethodTemplateProjectionError::PlaceholderConventionUnknown {
-                    list,
-                    row_index,
-                    constructor: other.map(str::to_string),
-                },
-            );
-        }
-    };
-    if !payload.is_empty() {
-        return Err(
-            MethodTemplateProjectionError::PlaceholderConventionPayloadNotEmpty {
-                list,
-                row_index,
-                constructor: label,
-                payload_len: payload.len(),
-            },
-        );
-    }
-    Ok(projection)
-}
-
-#[cfg(test)]
-mod tests {
-    //! Unit tests for projection-internal failure modes that require
-    //! crate-private `Dag` mutation to construct (e.g., injecting a
-    //! malformed value body that the on-disk row authorities cannot
-    //! produce). Behavior tests over the green bootstrap Dag live in
-    //! `tests/integration/pb_method_template_projection_test.rs`.
-
-    use super::*;
-    use crate::generated_full_bootstrap_dag;
-
-    /// Inject a non-empty payload onto the `placeholder_convention` variant
-    /// of the row at `row_index` of the named per-target list. Mutates only
-    /// the in-memory `Dag`; the row authority sources on disk are
-    /// untouched.
-    fn inject_extra_placeholder_payload(dag: &mut Dag, list_name: &str, row_index: usize) {
-        let decl_id = dag
-            .declaration_by_name(list_name)
-            .unwrap_or_else(|| panic!("`{list_name}` missing from bootstrap"))
-            .id;
-        let decl = dag.declaration_mut(decl_id);
-        let body = decl
-            .value_body
-            .as_mut()
-            .unwrap_or_else(|| panic!("`{list_name}` has no value body"));
-        let ValueBody::List(rows) = body else {
-            panic!("`{list_name}` value body is not a List");
-        };
-        let row = rows
-            .get_mut(row_index)
-            .unwrap_or_else(|| panic!("row {row_index} missing from `{list_name}`"));
-        let FieldValue::Record(fields) = row else {
-            panic!("row {row_index} is not a Record");
-        };
-        let placeholder_value = fields
-            .iter_mut()
-            .find(|(label, _)| label == "placeholder_convention")
-            .map(|(_, value)| value)
-            .expect("placeholder_convention field");
-        let FieldValue::Variant { payload, .. } = placeholder_value else {
-            panic!("placeholder_convention must be a Variant");
-        };
-        payload.push(FieldValue::Literal(LiteralBits::Bool(false)));
-    }
-
-    /// Duplicate the row at `row_index` of the named per-target list by
-    /// pushing a clone onto the end of the list. The two rows share a
-    /// `dag_method`, breaking per-target uniqueness — the substrate-side
-    /// claim `method_template_contract_per_target_dag_method_unique`.
-    /// Mutates only the in-memory `Dag`.
-    fn duplicate_row(dag: &mut Dag, list_name: &str, row_index: usize) {
-        let decl_id = dag
-            .declaration_by_name(list_name)
-            .unwrap_or_else(|| panic!("`{list_name}` missing from bootstrap"))
-            .id;
-        let decl = dag.declaration_mut(decl_id);
-        let body = decl
-            .value_body
-            .as_mut()
-            .unwrap_or_else(|| panic!("`{list_name}` has no value body"));
-        let ValueBody::List(rows) = body else {
-            panic!("`{list_name}` value body is not a List");
-        };
-        let clone = rows
-            .get(row_index)
-            .unwrap_or_else(|| panic!("row {row_index} missing from `{list_name}`"))
-            .clone();
-        rows.push(clone);
-    }
-
-    fn replace_row_with_reference(
-        dag: &mut Dag,
-        list_name: &str,
-        row_index: usize,
-        replacement: DeclarationId,
-    ) {
-        let decl_id = dag.declaration_by_name(list_name).expect("list").id;
-        let decl = dag.declaration_mut(decl_id);
-        let body = decl.value_body.as_mut().expect("value body");
-        let ValueBody::List(rows) = body else {
-            panic!("not a list");
-        };
-        let row = rows.get_mut(row_index).expect("row");
-        *row = FieldValue::Reference(replacement);
-    }
-
-    /// Mutate the row at `row_index` of `list_name` by adding a second
-    /// field with `field_label` (cloned from the first occurrence). Used
-    /// by the closed-schema duplicate-field tests below.
-    fn duplicate_field_on_row(dag: &mut Dag, list_name: &str, row_index: usize, field_label: &str) {
-        let decl_id = dag.declaration_by_name(list_name).expect("list").id;
-        let decl = dag.declaration_mut(decl_id);
-        let body = decl.value_body.as_mut().expect("value body");
-        let ValueBody::List(rows) = body else {
-            panic!("not a list");
-        };
-        let row = rows.get_mut(row_index).expect("row");
-        let FieldValue::Record(fields) = row else {
-            panic!("row not record");
-        };
-        let (orig_label, orig_value) = fields
-            .iter()
-            .find(|(label, _)| label == field_label)
-            .map(|(label, value)| (label.clone(), value.clone()))
-            .expect("field to clone");
-        fields.push((orig_label, orig_value));
-    }
-
-    /// Replace the row at `row_index` of `list_name` so that, after the
-    /// existing fields, an unknown-labelled field is appended (used by
-    /// the closed-schema unknown-field tests below).
-    fn append_unknown_field_on_row(
-        dag: &mut Dag,
-        list_name: &str,
-        row_index: usize,
-        unknown_label: &str,
-    ) {
-        let decl_id = dag.declaration_by_name(list_name).expect("list").id;
-        let decl = dag.declaration_mut(decl_id);
-        let body = decl.value_body.as_mut().expect("value body");
-        let ValueBody::List(rows) = body else {
-            panic!("not a list");
-        };
-        let row = rows.get_mut(row_index).expect("row");
-        let FieldValue::Record(fields) = row else {
-            panic!("row not record");
-        };
-        fields.push((
-            unknown_label.to_string(),
-            FieldValue::Literal(LiteralBits::Bool(false)),
-        ));
-    }
-
-    #[test]
-    fn duplicate_field_on_row_surfaces_typed_error() {
-        let mut dag = generated_full_bootstrap_dag();
-        duplicate_field_on_row(
-            &mut dag,
-            "rust_method_template_contracts",
-            0,
-            "runtime_template",
-        );
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::RowDuplicateField {
-                record,
-                field,
-                first_field_index,
-                duplicate_field_index,
-                ..
-            }) => {
-                assert_eq!(record, "MethodTemplateContract");
-                assert_eq!(field, "runtime_template");
-                assert_ne!(first_field_index, duplicate_field_index);
-            }
-            other => panic!("expected RowDuplicateField, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn unknown_field_on_row_surfaces_typed_error() {
-        let mut dag = generated_full_bootstrap_dag();
-        append_unknown_field_on_row(
-            &mut dag,
-            "rust_method_template_contracts",
-            0,
-            "renamed_field",
-        );
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::RowUnknownField { record, field, .. }) => {
-                assert_eq!(record, "MethodTemplateContract");
-                assert_eq!(field, "renamed_field");
-            }
-            other => panic!("expected RowUnknownField, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn reference_row_requires_method_template_contract_instance() {
-        let mut dag = generated_full_bootstrap_dag();
-        let non_contract_structural = dag
-            .declaration_by_name("count_method")
-            .expect("count_method MethodDeclaration")
-            .id;
-        replace_row_with_reference(
-            &mut dag,
-            "rust_method_template_contracts",
-            0,
-            non_contract_structural,
-        );
-
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::RowReferenceNotMethodTemplateContract {
-                list,
-                row_index,
-                decl_id,
-            }) => {
-                assert_eq!(list, "rust_method_template_contracts");
-                assert_eq!(row_index, 0);
-                assert_eq!(decl_id, non_contract_structural);
-            }
-            other => panic!(
-                "expected RowReferenceNotMethodTemplateContract for structural lookalike row, got {other:?}"
-            ),
-        }
-    }
-
-    /// Inject a duplicate or unknown field into the inner `MethodRef`
-    /// record at `dag_method` for the row at `row_index`.
-    fn mutate_method_ref(
-        dag: &mut Dag,
-        list_name: &str,
-        row_index: usize,
-        kind: MethodRefMutation<'_>,
-    ) {
-        let decl_id = dag.declaration_by_name(list_name).expect("list").id;
-        let decl = dag.declaration_mut(decl_id);
-        let body = decl.value_body.as_mut().expect("value body");
-        let ValueBody::List(rows) = body else {
-            panic!("not a list");
-        };
-        let row = rows.get_mut(row_index).expect("row");
-        let FieldValue::Record(fields) = row else {
-            panic!("row not record");
-        };
-        let (_, dag_method_value) = fields
-            .iter_mut()
-            .find(|(label, _)| label == "dag_method")
-            .expect("dag_method field");
-        let FieldValue::Record(method_ref_fields) = dag_method_value else {
-            panic!("dag_method not record");
-        };
-        match kind {
-            MethodRefMutation::Duplicate => {
-                let (label, value) = method_ref_fields
-                    .iter()
-                    .find(|(label, _)| label == "decl")
-                    .map(|(label, value)| (label.clone(), value.clone()))
-                    .expect("decl field");
-                method_ref_fields.push((label, value));
-            }
-            MethodRefMutation::AppendUnknown(label) => {
-                method_ref_fields.push((
-                    label.to_string(),
-                    FieldValue::Literal(LiteralBits::Bool(false)),
-                ));
-            }
-        }
-    }
-
-    /// 🟢 TERMINAL at the test-local `MethodRef` mutation scope. Names the
-    /// two ways an in-memory `Dag` row can break the closed `MethodRef`
-    /// schema: duplicate the existing `decl` field, or append a field with
-    /// an unknown label. Both modes drive the closed-schema check in
-    /// `closed_record_lookup`. Test-only; not part of the projection's
-    /// public surface.
-    enum MethodRefMutation<'a> {
-        Duplicate,
-        AppendUnknown(&'a str),
-    }
-
-    #[test]
-    fn method_ref_decl_alias_without_value_body_surfaces_typed_error() {
-        // `src/v3/std/methods.dag` requires a *data binding*
-        // (`data <name>_method: MethodDeclaration = { name: "..." }`),
-        // not just any declaration whose connective resolves to
-        // `MethodDeclaration`. A type alias like
-        // `type Foo = MethodDeclaration` lowers to an `Instantiation`
-        // connective with **no `value_body`**; without the value-body
-        // guard, that shape would pass the connective check alone.
-        //
-        // Simulate the alias-shape by stripping `value_body` from a real
-        // `MethodDeclaration` data binding (`count_method`) and asserting
-        // the typed error fires for both the per-row check
-        // (`MethodRefDeclNotMethodDeclaration`) and the lookup helper
-        // (`LookupKeyNotMethodDeclaration`).
-        let mut dag = generated_full_bootstrap_dag();
-        let count_method_id = dag
-            .declaration_by_name("count_method")
-            .expect("count_method MethodDeclaration in bootstrap")
-            .id;
-        dag.declaration_mut(count_method_id).value_body = None;
-
-        // Per-row path: row 0 of `rust_method_template_contracts` is the
-        // `count_method` row, so projecting it should now surface
-        // `MethodRefDeclNotMethodDeclaration` with `ValueBodyMissing`
-        // reason instead of returning a row.
-        let row_result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match row_result {
-            Err(MethodTemplateProjectionError::MethodRefDeclNotMethodDeclaration {
-                decl_id,
-                reason,
-                ..
-            }) => {
-                assert_eq!(decl_id, count_method_id);
-                assert_eq!(reason, MethodDeclarationBindingViolation::ValueBodyMissing);
-            }
-            other => panic!(
-                "expected MethodRefDeclNotMethodDeclaration for alias-shaped target, got {other:?}"
-            ),
-        }
-
-        // Lookup-helper path: same key, same shape; the helper validates
-        // at entry and surfaces `LookupKeyNotMethodDeclaration` with the
-        // same reason.
-        let helper_result =
-            method_template_contract_row(&dag, MethodTemplateTarget::Rust, count_method_id);
-        match helper_result {
-            Err(MethodTemplateProjectionError::LookupKeyNotMethodDeclaration {
-                decl_id,
-                reason,
-            }) => {
-                assert_eq!(decl_id, count_method_id);
-                assert_eq!(reason, MethodDeclarationBindingViolation::ValueBodyMissing);
-            }
-            other => {
-                panic!("expected LookupKeyNotMethodDeclaration for alias-shaped key, got {other:?}")
-            }
-        }
-    }
-
-    #[test]
-    fn method_ref_decl_not_method_declaration_surfaces_typed_error() {
-        // `src/v3/std/methods.dag` enforces fail-closed at the projection
-        // boundary that `MethodRef.decl` instantiates `MethodDeclaration`,
-        // because today's substrate grammar can't express
-        // `DeclarationRef<MethodDeclaration>`. Mutate the first row's
-        // `MethodRef.decl` to point at a declaration that is not a
-        // `MethodDeclaration` instance (`MethodTemplateContract` itself
-        // is a type declaration, not a `MethodDeclaration` data binding)
-        // and assert the typed error.
-        let mut dag = generated_full_bootstrap_dag();
-        let non_method_id = dag
-            .declaration_by_name("MethodTemplateContract")
-            .expect("MethodTemplateContract type")
-            .id;
-
-        let list_decl_id = dag
-            .declaration_by_name("rust_method_template_contracts")
-            .expect("list")
-            .id;
-        let decl = dag.declaration_mut(list_decl_id);
-        let body = decl.value_body.as_mut().expect("value body");
-        let ValueBody::List(rows) = body else {
-            panic!("not a list");
-        };
-        let row = rows.get_mut(0).expect("row 0");
-        let FieldValue::Record(fields) = row else {
-            panic!("row not record");
-        };
-        let dag_method_value = fields
-            .iter_mut()
-            .find(|(label, _)| label == "dag_method")
-            .map(|(_, value)| value)
-            .expect("dag_method field");
-        let FieldValue::Record(method_ref_fields) = dag_method_value else {
-            panic!("dag_method not record");
-        };
-        let decl_field_value = method_ref_fields
-            .iter_mut()
-            .find(|(label, _)| label == "decl")
-            .map(|(_, value)| value)
-            .expect("decl field");
-        *decl_field_value = FieldValue::Reference(non_method_id);
-
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::MethodRefDeclNotMethodDeclaration {
-                list,
-                row_index,
-                decl_id,
-                reason,
-            }) => {
-                assert_eq!(list, "rust_method_template_contracts");
-                assert_eq!(row_index, 0);
-                assert_eq!(decl_id, non_method_id);
-                // `MethodTemplateContract` is a type declaration (Conj),
-                // not an Instantiation — connective sub-check fails first.
-                assert_eq!(
-                    reason,
-                    MethodDeclarationBindingViolation::ConnectiveNotInstantiation
-                );
-            }
-            other => panic!(
-                "expected MethodRefDeclNotMethodDeclaration for non-MethodDeclaration target, got {other:?}"
-            ),
-        }
-    }
-
-    #[test]
-    fn method_ref_decl_extra_field_surfaces_closed_schema_violation() {
-        // A MethodDeclaration data binding with an extra field (beyond the
-        // closed `[name]` schema) must surface
-        // `StructuralFieldsNotClosedNameOnly`. Mirrors Stratum A's
-        // `enforce_closed_record_schema` gate.
-        let mut dag = generated_full_bootstrap_dag();
-        let count_method_id = dag
-            .declaration_by_name("count_method")
-            .expect("count_method")
-            .id;
-        let decl = dag.declaration_mut(count_method_id);
-        let body = decl.value_body.as_mut().expect("value body");
-        let ValueBody::Structural { fields } = body else {
-            panic!("expected Structural body");
-        };
-        fields.push((
-            "alias".to_string(),
-            FieldValue::Literal(LiteralBits::String("count_alias".to_string())),
-        ));
-
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::MethodRefDeclNotMethodDeclaration {
-                reason:
-                    MethodDeclarationBindingViolation::StructuralFieldsNotClosedNameOnly {
-                        observed_labels,
-                    },
-                ..
-            }) => {
-                assert!(observed_labels.contains(&"name".to_string()));
-                assert!(observed_labels.contains(&"alias".to_string()));
-            }
-            other => {
-                panic!("expected StructuralFieldsNotClosedNameOnly for extra field, got {other:?}")
-            }
-        }
-    }
-
-    #[test]
-    fn method_ref_decl_name_not_string_literal_surfaces_typed_error() {
-        // A MethodDeclaration data binding whose `name` value is not a
-        // string literal must surface
-        // `MethodDeclarationBindingViolation::NameNotStringLiteral`.
-        let mut dag = generated_full_bootstrap_dag();
-        let count_method_id = dag
-            .declaration_by_name("count_method")
-            .expect("count_method")
-            .id;
-        let decl = dag.declaration_mut(count_method_id);
-        let body = decl.value_body.as_mut().expect("value body");
-        let ValueBody::Structural { fields } = body else {
-            panic!("expected Structural body");
-        };
-        let (_, name_value) = fields
-            .iter_mut()
-            .find(|(label, _)| label == "name")
-            .expect("name field");
-        // Replace with a Bool literal — wrong shape for the contract.
-        *name_value = FieldValue::Literal(LiteralBits::Bool(true));
-
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::MethodRefDeclNotMethodDeclaration {
-                reason: MethodDeclarationBindingViolation::NameNotStringLiteral,
-                ..
-            }) => {}
-            other => panic!("expected NameNotStringLiteral for non-string name, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn duplicate_field_on_method_ref_surfaces_typed_error() {
-        let mut dag = generated_full_bootstrap_dag();
-        mutate_method_ref(
-            &mut dag,
-            "rust_method_template_contracts",
-            0,
-            MethodRefMutation::Duplicate,
-        );
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::RowDuplicateField { record, field, .. }) => {
-                assert_eq!(record, "MethodRef");
-                assert_eq!(field, "decl");
-            }
-            other => panic!("expected RowDuplicateField for MethodRef, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn unknown_field_on_method_ref_surfaces_typed_error() {
-        let mut dag = generated_full_bootstrap_dag();
-        mutate_method_ref(
-            &mut dag,
-            "rust_method_template_contracts",
-            0,
-            MethodRefMutation::AppendUnknown("nickname"),
-        );
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::RowUnknownField { record, field, .. }) => {
-                assert_eq!(record, "MethodRef");
-                assert_eq!(field, "nickname");
-            }
-            other => panic!("expected RowUnknownField for MethodRef, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn duplicate_row_surfaces_typed_error_at_canonical_row_list_api() {
-        // Per-target uniqueness by `dag_method` is the substrate-side claim
-        // `method_template_contract_per_target_dag_method_unique`. The
-        // canonical row-list API enforces this at the public boundary so
-        // every consumer (direct row-list consumer or `(target, dag_method)`
-        // lookup helper) observes the same fail-closed behavior. Gap 5 /
-        // leaf-emit consumers building their own keyed tables from the
-        // projection cannot silently observe two authorities for the same
-        // `(target, MethodRef)` pair.
-        let mut dag = generated_full_bootstrap_dag();
-        duplicate_row(&mut dag, "rust_method_template_contracts", 0);
-
-        // Canonical row-list API surfaces the duplicate.
-        let list_result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match list_result {
-            Err(MethodTemplateProjectionError::DuplicateMethodTemplateRow {
-                list,
-                first_row_index,
-                duplicate_row_index,
-            }) => {
-                assert_eq!(list, "rust_method_template_contracts");
-                assert_ne!(first_row_index, duplicate_row_index);
-            }
-            other => panic!(
-                "expected DuplicateMethodTemplateRow at row-list API for duplicate (target, dag_method), got {other:?}"
-            ),
-        }
-
-        // Lookup helper inherits the fail-closed shape via the row-list
-        // API; no separate uniqueness path on the helper.
-        let count_method_id = dag
-            .declaration_by_name("count_method")
-            .expect("count_method MethodDeclaration in bootstrap Dag")
-            .id;
-        let helper_result =
-            method_template_contract_row(&dag, MethodTemplateTarget::Rust, count_method_id);
-        assert!(
-            matches!(
-                helper_result,
-                Err(MethodTemplateProjectionError::DuplicateMethodTemplateRow { .. })
-            ),
-            "lookup helper must inherit duplicate-row fail-closed via row-list API; got {helper_result:?}"
-        );
-    }
-
-    #[test]
-    fn malformed_placeholder_payload_surfaces_typed_error() {
-        // PlaceholderConvention is a nullary sum (`IndexedArgs | NamedArg`).
-        // A malformed bootstrap row carrying a non-empty placeholder payload
-        // must surface as `PlaceholderConventionPayloadNotEmpty`, not
-        // silently project to `IndexedArgs` / `NamedArg` with the payload
-        // discarded. Mirrors the substrate-side canonical-row check
-        // `placeholder_convention_canonical_rejects_payload_for_nullary_indexed_args`
-        // in `src/v3/grounding_tests/src/stratum_a.rs`.
-        let mut dag = generated_full_bootstrap_dag();
-        inject_extra_placeholder_payload(&mut dag, "rust_method_template_contracts", 0);
-
-        let result = method_template_contract_rows(&dag, MethodTemplateTarget::Rust);
-        match result {
-            Err(MethodTemplateProjectionError::PlaceholderConventionPayloadNotEmpty {
-                list,
-                row_index,
-                payload_len,
-                ..
-            }) => {
-                assert_eq!(list, "rust_method_template_contracts");
-                assert_eq!(row_index, 0);
-                assert!(payload_len >= 1, "expected non-empty payload to be reported");
-            }
-            other => panic!(
-                "expected PlaceholderConventionPayloadNotEmpty for malformed placeholder, got {other:?}"
-            ),
-        }
-    }
-}
diff --git a/src/v3/compiler/src/pipeline_authority.rs b/src/v3/compiler/src/pipeline_authority.rs
deleted file mode 100644
index 70f86a7f828..00000000000
--- a/src/v3/compiler/src/pipeline_authority.rs
+++ /dev/null
@@ -1,261 +0,0 @@
-use crate::dag::{Dag, DeclarationId, FieldValue, TypeConnective, ValueBody};
-
-#[cfg(test)]
-pub(crate) const PIPELINE_AUTHORITY_FILE: &str = "src/v3/compiler/pipeline.dag";
-
-const PIPELINE_STAGE_BINDING_TYPE: &str = "PipelineStageBinding";
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub(crate) enum PipelineSnapshotKind {
-    Surface,
-    Dag,
-    Text,
-}
-
-#[derive(Debug, Clone)]
-pub(crate) struct PipelineStageAuthority {
-    // Read by `bootstrap::materialize_pipeline_realizations` when feature
-    // `bootstrap-regen-fresh` is enabled.
-    #[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-    pub(crate) stage: DeclarationId,
-    pub(crate) stage_name: String,
-    #[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-    pub(crate) realization: DeclarationId,
-    #[cfg_attr(not(feature = "bootstrap-regen-fresh"), allow(dead_code))]
-    pub(crate) realization_name: String,
-    pub(crate) snapshot_kind: PipelineSnapshotKind,
-}
-
-/// Pipeline stage order, read structurally from `PipelineStageBinding`
-/// declarations in the Dag. The declaration order of the bindings in
-/// `pipeline.dag` is the **sole runtime ordering authority** on this path.
-///
-/// **DB-16 case 2c / T-Bridge-Retirement disposition (PB review, PR #1171,
-/// 2026-04-29):** `fn compile { … }` still lowers to `ArrowBody::Unparsed` — the
-/// lowered Dag does **not** carry an ordered list of stage names inside the
-/// compile arrow. Without that structural witness, a fail-closed cross-check
-/// against the human-readable `compile` body cannot use the substrate query
-/// surface alone. Prior attempts used either `include_str!("../pipeline.dag")`
-/// (compile-time embed) or `std::fs::read_to_string` + span slicing (runtime
-/// source-text side channel); both are rejected for `bridge_include_str_side_channels_retired`
-/// in this lane. **Compile-body vs binding drift detection is therefore
-/// suspended** until derivation provides a single authored carrier or a
-/// lowered structural compile-body representation. Callers must keep
-/// `PipelineStageBinding` declaration order and the `compile` orchestrator body
-/// in sync by review/regen discipline until then.
-pub(crate) fn ordered_pipeline_stages(dag: &Dag) -> Result<Vec<PipelineStageAuthority>, String> {
-    let binding_type_id = dag
-        .declaration_by_name(PIPELINE_STAGE_BINDING_TYPE)
-        .map(|decl| decl.id)
-        .ok_or_else(|| {
-            format!("missing pipeline authority type `{PIPELINE_STAGE_BINDING_TYPE}`")
-        })?;
-
-    let mut ordered: Vec<PipelineStageAuthority> = Vec::new();
-    let mut seen_stages: Vec<DeclarationId> = Vec::new();
-
-    for declaration in dag.declarations() {
-        if declaration.meta_tag != Some(binding_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &declaration.value_body else {
-            let binding_name = declaration
-                .name
-                .as_deref()
-                .unwrap_or("<anonymous pipeline stage binding>");
-            return Err(format!(
-                "pipeline stage binding `{binding_name}` must carry a structural value body"
-            ));
-        };
-
-        let stage = require_decl_ref(fields, "stage", declaration.name.as_deref())?;
-        let realization = require_decl_ref(fields, "realization", declaration.name.as_deref())?;
-        let snapshot_kind = require_snapshot_kind(dag, fields, declaration.name.as_deref())?;
-
-        let stage_name = dag.declaration(stage).name.clone().ok_or_else(|| {
-            format!(
-                "pipeline stage binding `{}` points at unnamed stage declaration `{}`",
-                declaration
-                    .name
-                    .as_deref()
-                    .unwrap_or("<anonymous pipeline stage binding>"),
-                stage.raw()
-            )
-        })?;
-        let realization_name = dag.declaration(realization).name.clone().ok_or_else(|| {
-            format!(
-                "pipeline stage binding `{}` points at unnamed realization declaration `{}`",
-                declaration
-                    .name
-                    .as_deref()
-                    .unwrap_or("<anonymous pipeline stage binding>"),
-                realization.raw()
-            )
-        })?;
-
-        if seen_stages.contains(&stage) {
-            return Err(format!(
-                "pipeline stage `{stage_name}` has multiple stage bindings"
-            ));
-        }
-        seen_stages.push(stage);
-
-        ordered.push(PipelineStageAuthority {
-            stage,
-            stage_name,
-            realization,
-            realization_name,
-            snapshot_kind,
-        });
-    }
-
-    if ordered.is_empty() {
-        return Err("pipeline authority contains no stage bindings".to_string());
-    }
-
-    Ok(ordered)
-}
-
-/// Pipeline stage names in authority order. Thin wrapper over
-/// `ordered_pipeline_stages` for callers that only need the names.
-pub(crate) fn pipeline_compile_order_names(dag: &Dag) -> Result<Vec<String>, String> {
-    Ok(ordered_pipeline_stages(dag)?
-        .into_iter()
-        .map(|stage| stage.stage_name)
-        .collect())
-}
-
-fn require_decl_ref(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    binding_name: Option<&str>,
-) -> Result<DeclarationId, String> {
-    fields
-        .iter()
-        .find(|(field, _)| field == label)
-        .and_then(|(_, value)| match value {
-            FieldValue::Reference(id) => Some(*id),
-            _ => None,
-        })
-        .ok_or_else(|| {
-            format!(
-                "pipeline stage binding `{}` is missing required DeclarationRef field `{label}`",
-                binding_name.unwrap_or("<anonymous pipeline stage binding>")
-            )
-        })
-}
-
-fn require_snapshot_kind(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    binding_name: Option<&str>,
-) -> Result<PipelineSnapshotKind, String> {
-    let snapshot_type_id = dag
-        .declaration_by_name("PipelineSnapshotKind")
-        .map(|decl| decl.id)
-        .ok_or_else(|| "missing pipeline authority type `PipelineSnapshotKind`".to_string())?;
-    let value = fields
-        .iter()
-        .find(|(field, _)| field == "snapshot")
-        .map(|(_, value)| value)
-        .ok_or_else(|| {
-            format!(
-                "pipeline stage binding `{}` is missing required `snapshot` field",
-                binding_name.unwrap_or("<anonymous pipeline stage binding>")
-            )
-        })?;
-
-    let constructor = match value {
-        FieldValue::Variant {
-            constructor,
-            payload,
-        } => {
-            if !payload.is_empty() {
-                return Err(format!(
-                    "pipeline stage binding `{}` has non-empty snapshot payload",
-                    binding_name.unwrap_or("<anonymous pipeline stage binding>")
-                ));
-            }
-            *constructor
-        }
-        _ => {
-            return Err(format!(
-            "pipeline stage binding `{}` must use a PipelineSnapshotKind variant for `snapshot`",
-            binding_name.unwrap_or("<anonymous pipeline stage binding>")
-        ))
-        }
-    };
-
-    let TypeConnective::Disj { variants } = &dag.declaration(snapshot_type_id).connective else {
-        return Err(
-            "pipeline authority type `PipelineSnapshotKind` must lower to a sum".to_string(),
-        );
-    };
-    let label = variants
-        .iter()
-        .find(|variant| variant.ty == constructor)
-        .map(|variant| variant.label.as_str())
-        .ok_or_else(|| {
-            format!(
-                "pipeline stage binding `{}` uses snapshot constructor `{}` that does not belong to `PipelineSnapshotKind`",
-                binding_name.unwrap_or("<anonymous pipeline stage binding>"),
-                constructor.raw()
-            )
-        })?;
-
-    match label {
-        "SnapshotSurface" => Ok(PipelineSnapshotKind::Surface),
-        "SnapshotDag" => Ok(PipelineSnapshotKind::Dag),
-        "SnapshotText" => Ok(PipelineSnapshotKind::Text),
-        other => Err(format!(
-            "pipeline stage binding `{}` uses unknown snapshot constructor `{other}`",
-            binding_name.unwrap_or("<anonymous pipeline stage binding>")
-        )),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::dag::ArrowBody;
-
-    const PIPELINE_COMPILE_FN: &str = "compile";
-
-    #[test]
-    fn ordered_pipeline_stages_authority_is_pipeline_stage_binding_only() {
-        let dag = Dag::new();
-        let names = pipeline_compile_order_names(&dag).expect("bootstrap pipeline stages");
-        assert_eq!(
-            names,
-            vec![
-                "parse".to_string(),
-                "lower".to_string(),
-                "infer".to_string(),
-                "compute_ownership".to_string(),
-                "lens_complexity".to_string(),
-                "emit".to_string(),
-            ],
-            "ordering is structural declaration order of PipelineStageBinding rows; update this test when pipeline.dag stage set changes"
-        );
-    }
-
-    #[test]
-    fn pipeline_compile_body_remains_unparsed_blocking_structural_retirement() {
-        let dag = Dag::new();
-        let compile = dag
-            .declarations()
-            .iter()
-            .find(|decl| {
-                decl.name.as_deref() == Some(PIPELINE_COMPILE_FN)
-                    && decl.span.file == PIPELINE_AUTHORITY_FILE
-            })
-            .expect("pipeline `compile` declaration");
-        let TypeConnective::Arrow { body, .. } = &compile.connective else {
-            panic!("`compile` must be an arrow declaration");
-        };
-        assert!(
-            matches!(body, ArrowBody::Unparsed(_)),
-            "case 2c: `compile` has no lowered ordered stage list — R3 bridge_include_str_side_channels_retired cannot be satisfied here without a new substrate fact; see module doc on ordered_pipeline_stages"
-        );
-    }
-}
diff --git a/src/v3/compiler/src/post_emit_verifier.rs b/src/v3/compiler/src/post_emit_verifier.rs
deleted file mode 100644
index a07c2ff1c3e..00000000000
--- a/src/v3/compiler/src/post_emit_verifier.rs
+++ /dev/null
@@ -1,638 +0,0 @@
-//! E-5 / Lane 1 Stage 1c PR 4 — shared test harness that reads each
-//! target's `CleanEmissionContract.post_emit_verifier` record and
-//! invokes the declared verifier against an emitted source file.
-//!
-//! Before this module, each pilot roundtrip test (`emit_rust_…`,
-//! `emit_go_…`, `emit_python_…`) hardcoded the verifier command +
-//! args in Rust. That divergence is exactly what the contract is
-//! supposed to eliminate — the spec file declares the verifier
-//! config; the harness reads it; nothing drifts. Adding a new target
-//! (Swift, Kotlin, Verilog) requires only a `CleanEmissionContract`
-//! data item, not a new Rust roundtrip helper.
-//!
-//! The harness is deliberately minimal:
-//! - `parse_post_emit_verifier` walks the declared structural fields
-//!   of a `python_clean_emission` / `rust_clean_emission` /
-//!   `go_clean_emission` declaration and extracts the four
-//!   consumed fields (`command`, `args`, `expected_exit_code`,
-//!   `output_policy`) of the `PostEmitVerifier` record into a typed
-//!   binding. (`syntax_only` is authored on the spec but not yet
-//!   consumed by any Rust-side consumer — see
-//!   `PostEmitVerifierBinding` doc.)
-//! - `run_post_emit_verifier` invokes the contract command via
-//!   [`crate::bounded_host_command`] (wall-bounded wait + capped I/O),
-//!   then applies the binding's `expected_exit_code` + `output_policy`.
-//!
-//! Scope caveat — calling convention: the harness assumes the
-//! verifier takes the source file as its final positional argument.
-//! That shape fits every target declared today (`rustc <file>`,
-//! `gofmt -l <file>`, `python3 -m py_compile <file>`), but the
-//! `PostEmitVerifier` record does not yet encode argument-placement
-//! structurally. A verifier that wants stdin, a fixed `-o` slot, or
-//! a non-terminal source-path position cannot be expressed without
-//! extending the contract shape. When such a target concretely
-//! arrives, the fix is a structural extension to `PostEmitVerifier`
-//! (e.g. `source_position: SourcePositionPolicy`), not a bespoke
-//! Rust branch inside this runner — same discipline as
-//! `pattern_bindings` / `output_policy`.
-
-use std::fmt;
-use std::io::Write;
-use std::path::Path;
-use std::process::Command;
-
-use crate::bounded_host_command::{self, DEFAULT_WALL_TIMEOUT};
-
-use crate::dag::{DeclarationId, FieldValue, LiteralBits};
-use crate::emit::{emit_go_text, emit_python_text, emit_rust_text, EmitTarget};
-use crate::emit_rust_roundtrip_fixtures::{GO_EMIT_EXCLUDE, PYTHON_EMIT_EXCLUDE};
-use crate::Dag;
-
-/// Shape-A targets whose `CleanEmissionContract.post_emit_verifier` is landed today.
-pub const SHAPE_A_POST_EMIT_TARGETS: &[EmitTarget] =
-    &[EmitTarget::Rust, EmitTarget::Go, EmitTarget::Python];
-
-pub fn post_emit_target_label(target: EmitTarget) -> &'static str {
-    match target {
-        EmitTarget::Rust => "rust",
-        EmitTarget::Go => "go",
-        EmitTarget::Python => "python",
-    }
-}
-
-fn post_emit_default_source_filename(target: EmitTarget) -> &'static str {
-    match target {
-        EmitTarget::Rust => "main.rs",
-        EmitTarget::Go => "main.go",
-        EmitTarget::Python => "main.py",
-    }
-}
-
-/// Whether a `PROGRAM_FIXTURES` row participates in post-emit verification for `target`.
-pub fn fixture_supports_post_emit_target(fixture_name: &str, target: EmitTarget) -> bool {
-    match target {
-        EmitTarget::Rust => true,
-        EmitTarget::Go => !GO_EMIT_EXCLUDE.contains(&fixture_name),
-        EmitTarget::Python => !PYTHON_EMIT_EXCLUDE.contains(&fixture_name),
-    }
-}
-
-/// Typed read of `data <target>_clean_emission.post_emit_verifier`.
-/// Every field here is a structural declaration on the contract that
-/// the runner actively consults — no defaults, no fallbacks; a
-/// missing or malformed field fires `VerifierParseError::MalformedSpec`
-/// at parse time so the spec-file drift surfaces loudly rather than
-/// silently hand the runner a partially-filled binding.
-///
-/// The authored `PostEmitVerifier` record has a fifth field,
-/// `syntax_only: Bool`, which the current runner does not consume —
-/// it is metadata about the verifier's depth (shallow syntax check
-/// vs full compile) that downstream schedulers (per-PR CI vs
-/// nightly) will dispatch on. Per E-6, a spec field lands only with
-/// a same-PR consumer; this binding therefore does NOT parse
-/// `syntax_only` yet. The field remains in `std/clean_emission.dag`
-/// because the three existing target spec files already declare it
-/// (landed in PRs 1/2/3 alongside the rest of the contract shape);
-/// a follow-up PR that adds the first downstream consumer will
-/// add the parse + storage here atomically.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct PostEmitVerifierBinding {
-    pub command: String,
-    pub args: Vec<String>,
-    pub expected_exit_code: i64,
-    pub output_policy: VerifierOutputPolicyBinding,
-}
-
-/// Typed mirror of `std.clean_emission.VerifierOutputPolicy`. Only
-/// closed variants — adding a new policy is a spec extension, not a
-/// runner override.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum VerifierOutputPolicyBinding {
-    IgnoreVerifierOutput,
-    RequireEmptyStdout,
-    RequireEmptyStderr,
-    RequireEmptyStdoutAndStderr,
-}
-
-/// Contract-parse failures. Callers that want to surface the
-/// underlying declaration in a diagnostic propagate this error
-/// directly — the `DeclarationId` points at the
-/// `*_clean_emission` data item so spec-authors can find the
-/// offending record.
-#[derive(Debug, Clone)]
-pub enum VerifierParseError {
-    MissingDeclaration,
-    MalformedSpec {
-        declaration: DeclarationId,
-        detail: &'static str,
-    },
-}
-
-/// Runner failures. `SpecUnavailable` fires when the bootstrap dag lacks a
-/// clean-emission spec or the contract record cannot be parsed.
-/// `InvocationFailed` fires when the OS cannot spawn the verifier process
-/// (binary missing from PATH, etc.); `WrongExitCode` and `PolicyViolation`
-/// fire after a successful spawn when the verdict does not match the contract.
-#[derive(Debug)]
-pub enum VerifierRunError {
-    SpecUnavailable {
-        detail: String,
-    },
-    InvocationFailed {
-        command: String,
-        io_error: String,
-    },
-    WrongExitCode {
-        expected: i64,
-        actual: Option<i32>,
-        stdout: String,
-        stderr: String,
-    },
-    PolicyViolation {
-        policy: VerifierOutputPolicyBinding,
-        stdout: String,
-        stderr: String,
-    },
-}
-
-/// Parse `<spec_declaration>.post_emit_verifier` into a typed
-/// binding. `spec_declaration` is the id of a
-/// `*_clean_emission: CleanEmissionContract` data item (obtained via
-/// `dag.rust_clean_emission_spec()` / `dag.go_clean_emission_spec()`
-/// / `dag.python_clean_emission_spec()`).
-pub fn parse_post_emit_verifier(
-    dag: &Dag,
-    spec_declaration: DeclarationId,
-) -> Result<PostEmitVerifierBinding, VerifierParseError> {
-    let decl = dag.declaration(spec_declaration);
-    let Some(crate::dag::ValueBody::Structural { fields }) = &decl.value_body else {
-        return Err(VerifierParseError::MalformedSpec {
-            declaration: spec_declaration,
-            detail: "clean_emission spec must be a structural data item",
-        });
-    };
-    let verifier_value = fields
-        .iter()
-        .find(|(label, _)| label == "post_emit_verifier")
-        .map(|(_, value)| value)
-        .ok_or(VerifierParseError::MalformedSpec {
-            declaration: spec_declaration,
-            detail: "clean_emission is missing required `post_emit_verifier` field",
-        })?;
-    let FieldValue::Record(verifier_fields) = verifier_value else {
-        return Err(VerifierParseError::MalformedSpec {
-            declaration: spec_declaration,
-            detail: "clean_emission.post_emit_verifier must be a structural record",
-        });
-    };
-
-    let command = require_string(verifier_fields, "command", spec_declaration)?;
-    let args = require_string_list(verifier_fields, "args", spec_declaration)?;
-    let expected_exit_code = require_int(verifier_fields, "expected_exit_code", spec_declaration)?;
-    let output_policy =
-        parse_output_policy(dag, verifier_fields, "output_policy", spec_declaration)?;
-
-    Ok(PostEmitVerifierBinding {
-        command,
-        args,
-        expected_exit_code,
-        output_policy,
-    })
-}
-
-/// Invoke the verifier against `source_path` and apply the
-/// contract's verdict semantics. The source file path is appended
-/// as the final positional argument — every declared verifier
-/// today expects the file as its last argument
-/// (`rustc <file>` / `gofmt -l <file>` / `python3 -m py_compile
-/// <file>`).
-pub fn run_post_emit_verifier(
-    binding: &PostEmitVerifierBinding,
-    source_path: &Path,
-) -> Result<(), VerifierRunError> {
-    let mut command = Command::new(&binding.command);
-    command.args(&binding.args).arg(source_path);
-    // Rustc (and py_compile to a lesser extent) produce artifacts
-    // next to / in cwd. Pinning cwd to the source's parent directory
-    // contains those artifacts inside the caller's tmp dir instead
-    // of dropping them into the workspace root.
-    //
-    // `Path::parent()` returns `Some("")` for single-component
-    // relative paths (e.g. `main.rs`); `current_dir("")` fails the
-    // spawn on most platforms. Filter empties so relative paths in
-    // the current directory fall through to the inherited cwd
-    // instead of rejecting valid inputs at spawn time.
-    if let Some(parent) = source_path
-        .parent()
-        .filter(|parent| !parent.as_os_str().is_empty())
-    {
-        command.current_dir(parent);
-    }
-    let label = format!("post_emit_verifier `{}`", binding.command);
-    let output = bounded_host_command::host_command_output(
-        &label,
-        DEFAULT_WALL_TIMEOUT,
-        bounded_host_command::prepare_host_command(command),
-    )
-    .map_err(|err| VerifierRunError::InvocationFailed {
-        command: binding.command.clone(),
-        io_error: err,
-    })?;
-
-    let exit_code = output.status.code();
-    let stdout = String::from_utf8_lossy(&output.stdout).into_owned();
-    let stderr = String::from_utf8_lossy(&output.stderr).into_owned();
-
-    if exit_code.map(i64::from) != Some(binding.expected_exit_code) {
-        return Err(VerifierRunError::WrongExitCode {
-            expected: binding.expected_exit_code,
-            actual: exit_code,
-            stdout,
-            stderr,
-        });
-    }
-
-    let policy = binding.output_policy;
-    let stdout_empty = stdout.trim().is_empty();
-    let stderr_empty = stderr.trim().is_empty();
-    let ok = match policy {
-        VerifierOutputPolicyBinding::IgnoreVerifierOutput => true,
-        VerifierOutputPolicyBinding::RequireEmptyStdout => stdout_empty,
-        VerifierOutputPolicyBinding::RequireEmptyStderr => stderr_empty,
-        VerifierOutputPolicyBinding::RequireEmptyStdoutAndStderr => stdout_empty && stderr_empty,
-    };
-    if !ok {
-        return Err(VerifierRunError::PolicyViolation {
-            policy,
-            stdout,
-            stderr,
-        });
-    }
-    Ok(())
-}
-
-impl fmt::Display for VerifierRunError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            VerifierRunError::SpecUnavailable { detail } => {
-                write!(f, "post_emit_verifier contract unavailable: {detail}")
-            }
-            VerifierRunError::InvocationFailed { command, io_error } => {
-                write!(f, "failed to invoke `{command}`: {io_error}")
-            }
-            VerifierRunError::WrongExitCode {
-                expected,
-                actual,
-                stdout,
-                stderr,
-            } => write!(
-                f,
-                "verifier exit {actual:?} != expected {expected}; stdout:\n{stdout}\nstderr:\n{stderr}"
-            ),
-            VerifierRunError::PolicyViolation {
-                policy,
-                stdout,
-                stderr,
-            } => write!(
-                f,
-                "verifier output policy {policy:?} violated; stdout:\n{stdout}\nstderr:\n{stderr}"
-            ),
-        }
-    }
-}
-
-/// Resolve the cached `*_clean_emission` declaration for a Shape-A target.
-pub fn clean_emission_spec(
-    dag: &Dag,
-    target: EmitTarget,
-) -> Result<DeclarationId, VerifierParseError> {
-    let spec = match target {
-        EmitTarget::Rust => dag.rust_clean_emission_spec(),
-        EmitTarget::Go => dag.go_clean_emission_spec(),
-        EmitTarget::Python => dag.python_clean_emission_spec(),
-    };
-    spec.ok_or(VerifierParseError::MissingDeclaration)
-}
-
-/// Run the target's declared `post_emit_verifier` against an on-disk source file.
-pub fn verify_emitted_source_file(
-    dag: &Dag,
-    target: EmitTarget,
-    source_path: &Path,
-) -> Result<(), VerifierRunError> {
-    let spec = clean_emission_spec(dag, target).map_err(verifier_parse_error_to_run_error)?;
-    let binding = parse_post_emit_verifier(dag, spec).map_err(verifier_parse_error_to_run_error)?;
-    run_post_emit_verifier(&binding, source_path)
-}
-
-fn verifier_parse_error_to_run_error(err: VerifierParseError) -> VerifierRunError {
-    VerifierRunError::SpecUnavailable {
-        detail: err.to_string(),
-    }
-}
-
-impl fmt::Display for VerifierParseError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            VerifierParseError::MissingDeclaration => {
-                write!(f, "clean_emission spec not found in bootstrap dag")
-            }
-            VerifierParseError::MalformedSpec { detail, .. } => {
-                write!(f, "malformed clean_emission spec: {detail}")
-            }
-        }
-    }
-}
-
-/// Emit `program_dag` for `target`, write the source into `scratch_dir`, and
-/// apply the contract's `post_emit_verifier`. `program_dag` must be a
-/// `compile_to_dag` result (bootstrap carries clean-emission specs).
-pub fn verify_program_emitted_source(
-    program_dag: &Dag,
-    target: EmitTarget,
-    scratch_dir: &Path,
-    file_stem: &str,
-) -> Result<(), String> {
-    let emitted = emit_text_for_target(program_dag, target)?;
-    std::fs::create_dir_all(scratch_dir)
-        .map_err(|e| format!("create scratch {}: {e}", scratch_dir.display()))?;
-    let filename = format!("{file_stem}_{}", post_emit_default_source_filename(target));
-    let src_path = scratch_dir.join(filename);
-    let mut file = std::fs::File::create(&src_path)
-        .map_err(|e| format!("create {}: {e}", src_path.display()))?;
-    file.write_all(emitted.as_bytes())
-        .map_err(|e| format!("write {}: {e}", src_path.display()))?;
-    verify_emitted_source_file(program_dag, target, &src_path).map_err(|e| {
-        format!(
-            "{} post_emit_verifier for `{file_stem}`: {e}",
-            post_emit_target_label(target)
-        )
-    })
-}
-
-/// Every **applicable** Shape-A target must accept the emitted source for `program_dag`.
-/// Skips Go/Python when `fixture_name` is listed in `GO_EMIT_EXCLUDE` /
-/// `PYTHON_EMIT_EXCLUDE` (same rule as omni emit gates).
-pub fn verify_program_emitted_source_all_targets(
-    program_dag: &Dag,
-    scratch_dir: &Path,
-    file_stem: &str,
-    fixture_name: &str,
-) -> Result<(), String> {
-    let mut failures = Vec::new();
-    for &target in SHAPE_A_POST_EMIT_TARGETS {
-        if !fixture_supports_post_emit_target(fixture_name, target) {
-            continue;
-        }
-        if let Err(msg) = verify_program_emitted_source(program_dag, target, scratch_dir, file_stem)
-        {
-            failures.push(msg);
-        }
-    }
-    if failures.is_empty() {
-        Ok(())
-    } else {
-        Err(failures.join("\n"))
-    }
-}
-
-fn emit_text_for_target(program_dag: &Dag, target: EmitTarget) -> Result<String, String> {
-    match target {
-        EmitTarget::Rust => emit_rust_text(program_dag).map_err(|e| format!("{e:?}")),
-        EmitTarget::Go => emit_go_text(program_dag).map_err(|e| format!("{e:?}")),
-        EmitTarget::Python => emit_python_text(program_dag).map_err(|e| format!("{e:?}")),
-    }
-}
-
-fn require_string(
-    fields: &[(String, FieldValue)],
-    name: &'static str,
-    declaration: DeclarationId,
-) -> Result<String, VerifierParseError> {
-    fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .ok_or(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "required string field missing or malformed",
-        })
-}
-
-fn require_int(
-    fields: &[(String, FieldValue)],
-    name: &'static str,
-    declaration: DeclarationId,
-) -> Result<i64, VerifierParseError> {
-    fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::Int(s)) => s.parse::<i64>().ok(),
-            _ => None,
-        })
-        .ok_or(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "required int field missing or malformed",
-        })
-}
-
-fn require_string_list(
-    fields: &[(String, FieldValue)],
-    name: &'static str,
-    declaration: DeclarationId,
-) -> Result<Vec<String>, VerifierParseError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .map(|(_, value)| value)
-        .ok_or(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "required list field missing",
-        })?;
-    let FieldValue::List(entries) = value else {
-        return Err(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "required field must be a list",
-        });
-    };
-    let mut out = Vec::with_capacity(entries.len());
-    for entry in entries {
-        let FieldValue::Literal(LiteralBits::String(s)) = entry else {
-            return Err(VerifierParseError::MalformedSpec {
-                declaration,
-                detail: "list entries must be string literals",
-            });
-        };
-        out.push(s.clone());
-    }
-    Ok(out)
-}
-
-fn parse_output_policy(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    name: &'static str,
-    declaration: DeclarationId,
-) -> Result<VerifierOutputPolicyBinding, VerifierParseError> {
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .map(|(_, value)| value)
-        .ok_or(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "required variant field missing",
-        })?;
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "output_policy must be a VerifierOutputPolicy variant",
-        });
-    };
-    if !payload.is_empty() {
-        return Err(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "VerifierOutputPolicy variants must not carry payload fields",
-        });
-    }
-    // Variant resolution dispatches on the cached
-    // `VerifierOutputPolicyVariants` typed handles — the Dag
-    // resolves the Disj's variant ids once at bootstrap end and
-    // every downstream consumer compares `DeclarationId`s here. No
-    // variant.label string lookups at parse time; INVARIANTS.md
-    // §Layer opacity / §Semantic authority forbids post-lowering
-    // consumers from reaching for names. Mirrors the PR 2.5
-    // `PatternBindingRuleVariants` structure.
-    let variants = dag.verifier_output_policy_variants();
-    let ignore_output = variants
-        .ignore_output
-        .ok_or(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "VerifierOutputPolicy.IgnoreVerifierOutput declaration was not found",
-        })?;
-    let require_empty_stdout =
-        variants
-            .require_empty_stdout
-            .ok_or(VerifierParseError::MalformedSpec {
-                declaration,
-                detail: "VerifierOutputPolicy.RequireEmptyStdout declaration was not found",
-            })?;
-    let require_empty_stderr =
-        variants
-            .require_empty_stderr
-            .ok_or(VerifierParseError::MalformedSpec {
-                declaration,
-                detail: "VerifierOutputPolicy.RequireEmptyStderr declaration was not found",
-            })?;
-    let require_empty_stdout_and_stderr =
-        variants
-            .require_empty_stdout_and_stderr
-            .ok_or(VerifierParseError::MalformedSpec {
-                declaration,
-                detail:
-                    "VerifierOutputPolicy.RequireEmptyStdoutAndStderr declaration was not found",
-            })?;
-    if *constructor == ignore_output {
-        Ok(VerifierOutputPolicyBinding::IgnoreVerifierOutput)
-    } else if *constructor == require_empty_stdout {
-        Ok(VerifierOutputPolicyBinding::RequireEmptyStdout)
-    } else if *constructor == require_empty_stderr {
-        Ok(VerifierOutputPolicyBinding::RequireEmptyStderr)
-    } else if *constructor == require_empty_stdout_and_stderr {
-        Ok(VerifierOutputPolicyBinding::RequireEmptyStdoutAndStderr)
-    } else {
-        Err(VerifierParseError::MalformedSpec {
-            declaration,
-            detail: "output_policy constructor is not a known VerifierOutputPolicy variant",
-        })
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    /// Parse the Rust contract and assert the structural fields
-    /// match the declared values in `src/v3/spec/rust.dag`. Proves
-    /// the parser consumes the shared substrate correctly without
-    /// hardcoding any of the target-specific command / args values.
-    #[test]
-    fn parses_rust_post_emit_verifier_contract() {
-        let dag = crate::dag::Dag::new();
-        let spec = dag
-            .rust_clean_emission_spec()
-            .expect("rust_clean_emission cached");
-        let binding = parse_post_emit_verifier(&dag, spec).expect("parse");
-        assert_eq!(binding.command, "rustc");
-        assert_eq!(binding.args, vec!["--edition=2021", "-D", "warnings"]);
-        assert_eq!(binding.expected_exit_code, 0);
-        assert_eq!(
-            binding.output_policy,
-            VerifierOutputPolicyBinding::IgnoreVerifierOutput
-        );
-    }
-
-    #[test]
-    fn parses_go_post_emit_verifier_contract() {
-        let dag = crate::dag::Dag::new();
-        let spec = dag
-            .go_clean_emission_spec()
-            .expect("go_clean_emission cached");
-        let binding = parse_post_emit_verifier(&dag, spec).expect("parse");
-        assert_eq!(binding.command, "gofmt");
-        assert_eq!(binding.args, vec!["-l"]);
-        assert_eq!(binding.expected_exit_code, 0);
-        assert_eq!(
-            binding.output_policy,
-            VerifierOutputPolicyBinding::RequireEmptyStdout
-        );
-    }
-
-    #[test]
-    fn parses_python_post_emit_verifier_contract() {
-        let dag = crate::dag::Dag::new();
-        let spec = dag
-            .python_clean_emission_spec()
-            .expect("python_clean_emission cached");
-        let binding = parse_post_emit_verifier(&dag, spec).expect("parse");
-        assert_eq!(binding.command, "python3");
-        assert_eq!(binding.args, vec!["-m", "py_compile"]);
-        assert_eq!(binding.expected_exit_code, 0);
-        assert_eq!(
-            binding.output_policy,
-            VerifierOutputPolicyBinding::IgnoreVerifierOutput
-        );
-    }
-
-    /// Regression: `Path::parent()` returns `Some("")` for
-    /// single-component relative paths like `main.rs`. Setting
-    /// `current_dir("")` fails the spawn on most platforms, so the
-    /// runner used to reject valid inputs whenever callers passed
-    /// a bare relative filename. The fix filters empty parents so
-    /// the spawn inherits the ambient cwd instead. This test uses
-    /// an environment-probe binary that exists on every
-    /// POSIX-shaped test runner and expects exit 0 regardless of
-    /// the path passed; the specific file does not need to exist
-    /// because the probe doesn't read it.
-    #[cfg(unix)]
-    #[test]
-    fn run_accepts_single_component_relative_source_path() {
-        use std::path::PathBuf;
-        let binding = PostEmitVerifierBinding {
-            command: "true".to_string(),
-            args: Vec::new(),
-            expected_exit_code: 0,
-            output_policy: VerifierOutputPolicyBinding::IgnoreVerifierOutput,
-        };
-        let relative = PathBuf::from("main.rs");
-        run_post_emit_verifier(&binding, &relative)
-            .expect("single-component relative source path must not fail the spawn");
-    }
-}
diff --git a/src/v3/compiler/src/process_exit.rs b/src/v3/compiler/src/process_exit.rs
deleted file mode 100644
index d4b83262d3e..00000000000
--- a/src/v3/compiler/src/process_exit.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-//! Host-side mirror of `dsl/std/process.dag` `ProcessExit`.
-//!
-//! **SG-0 / bounded-seed receipt:** hand-authored path is enumerated in
-//! `EXPECTED_HAND_AUTHORED_NON_TEST` in `sg0_census_test.rs` (not
-//! `GENERATED_FILES` / `build.rs` output).
-//!
-//! Used by PB-1 emitted bin-shim `main.rs` shells (`emit_rust_bin_shim`) so
-//! generated sources can `match` on the same structural shape the `.dag`
-//! substrate declares, without inventing a parallel exit carrier.
-
-// Practice 4 (coproduct checkpoint, `docs/modeling-discipline.md` §P1): 🟢 GREEN —
-// terminal host mirror of `dsl/std/process.dag` `ProcessExit`; no extra variants
-// or semantics beyond that substrate coproduct. `ExitFailure.code` uses `i64`
-// — the same host width as `LiteralBits::Int` / substrate `Int` in `dag.rs`.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum ProcessExit {
-    ExitSuccess,
-    ExitFailure { code: i64, reason: String },
-}
diff --git a/src/v3/compiler/src/r1c_e_gates.rs b/src/v3/compiler/src/r1c_e_gates.rs
deleted file mode 100644
index 32db7034e3c..00000000000
--- a/src/v3/compiler/src/r1c_e_gates.rs
+++ /dev/null
@@ -1,525 +0,0 @@
-//! R1C-E — emit-gate check functions shared by the host `#[test]` harness and
-//! the `r1c_e_emit_gates` `bin` (the `ExecuteCommand` logical child for the
-//! T-Emit `.dag` `TestClaim` wrappers; the `.dag` source is spliced into a
-//! `Dag` at integration-test compile time via `env!("CARGO_BIN_EXE_…")` —
-//! see the integration-test driver for the on-disk path of the template).
-//!
-//! Each `check_*` returns `Ok(())` when the gate holds, or `Err(String)` with a
-//! human-readable failure detail. The `bin` maps `Ok` → exit 0 / `Err` → exit 1
-//! (no stdout/stderr capture by `ExecuteCommand` — exit code is the receipt).
-//! `#[test]` callers panic with the detail to preserve the original failure
-//! message.
-//!
-//! **Single source of truth.** The `#[test]` harness and the `bin` both call
-//! these functions; do not duplicate the assertion bodies into either caller.
-//!
-//! **Public surface (R1 close scaffold).** The module is `pub` only so the
-//! single bin in this crate can call it (Cargo bins compile against the public
-//! lib API). Downstream crates must not depend on `r1c_e_gates::*`; this is a
-//! scaffold that dissolves at R1 close together with the wrappers themselves.
-
-use std::io::Write;
-use std::path::Path;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-use std::sync::atomic::{AtomicUsize, Ordering};
-use std::sync::OnceLock;
-
-use crate::compile_to_dag;
-use crate::emit::emit;
-use crate::emit::EmitTarget;
-use crate::emit_rust::{emit_rust, emit_rust_module};
-use crate::emit_rust_roundtrip_fixtures::{
-    ProgramFixture, ReflectedExpected, GO_EMIT_EXCLUDE, PROGRAM_FIXTURES, PYTHON_EMIT_EXCLUDE,
-    REFLECTED_FIXTURES,
-};
-use crate::post_emit_verifier::verify_program_emitted_source_all_targets;
-
-/// `emit_generic_bounds_survive` (host receipt: `m1_3_emit_rust_test::emit_generic_bounds_survive`,
-/// PR #650 post-mortem).
-///
-/// Pins the **Rust type line** for callable parameters: `impl Fn(...) -> ... + Clone`,
-/// not `&impl Fn`. Body avoids higher-order `f(...)` calls — those are a separate
-/// emit seam; this receipt only pins the parameter type spelling.
-pub fn check_generic_bounds_survive() -> Result<(), String> {
-    let src = "fn twice(f: fn(Int) -> Int) -> Int = 0\n";
-    let dag = compile_to_dag(src, "r1c_e_generic_bounds.v3")
-        .map_err(|e| format!("compile failed: {e:?}"))?;
-    let out = emit_rust_module(&dag).map_err(|e| format!("emit failed: {e:?}"))?;
-
-    let sig = "fn twice(p0: impl Fn(i64) -> i64 + Clone) -> i64";
-    if !out.contains(sig) {
-        return Err(format!(
-            "callable param should carry synthesized + Clone (downstream rustc / stage0 contract); got:\n{out}"
-        ));
-    }
-    if out.contains("&impl Fn") {
-        return Err(format!(
-            "borrowed callable param type must not be spelled as &impl Fn; got:\n{out}"
-        ));
-    }
-    Ok(())
-}
-
-// === emit_rust_fixtures_rustc_green (batched rustc program + reflected harness) ===
-
-/// Directory containing `libv3_compiler-*.rlib` for the current build. Test
-/// executables sit in `…/target/debug/deps/`; the `r1c_e_emit_gates` bin is in
-/// `…/target/debug/` and links against the same `dependency=…/deps` layout.
-fn rustc_deps_dir() -> PathBuf {
-    let exe = std::env::current_exe().expect("current exe");
-    let parent = exe.parent().expect("parent of current exe");
-    if parent.file_name() == Some(std::ffi::OsStr::new("deps")) {
-        parent.to_path_buf()
-    } else {
-        parent.join("deps")
-    }
-}
-
-/// Resolves `lib{crate}-*.rlib` in the deps directory for the running executable.
-///
-/// Picks the file with the newest `modified()` time; on equal mtimes, uses
-/// [`Path`] order so the choice is deterministic (avoids flake from `read_dir`
-/// order). **Assumes** a single Cargo build is writing this `target` tree —
-/// concurrent `cargo` invocations racing the same `deps/` dir are unsupported
-/// and may select the wrong artifact.
-fn find_current_rlib(crate_name: &str) -> PathBuf {
-    let prefix = format!("lib{crate_name}-");
-    let deps = rustc_deps_dir();
-    let mut matches: Vec<PathBuf> = std::fs::read_dir(&deps)
-        .unwrap_or_else(|e| panic!("read {}: {e}", deps.display()))
-        .filter_map(|entry| {
-            let path = entry.ok()?.path();
-            let file_name = path.file_name()?.to_str()?;
-            if file_name.starts_with(&prefix) && file_name.ends_with(".rlib") {
-                Some(path)
-            } else {
-                None
-            }
-        })
-        .collect();
-    fn mtime(path: &Path) -> Option<std::time::SystemTime> {
-        std::fs::metadata(path).and_then(|m| m.modified()).ok()
-    }
-    matches.sort_by(|a, b| {
-        mtime(a)
-            .cmp(&mtime(b))
-            .then_with(|| a.as_os_str().cmp(b.as_os_str()))
-    });
-    matches.pop().unwrap_or_else(|| {
-        panic!(
-            "no `{prefix}*.rlib` in {} (build `v3-compiler` for this target first)",
-            deps.display()
-        )
-    })
-}
-
-/// How the rustc harness should link: standalone programs vs `v3_compiler` rlib
-/// (reflected fixtures import `v3_compiler::dag` at runtime).
-enum HarnessLinkMode {
-    Standalone,
-    WithV3Compiler,
-}
-
-struct R1cERustcHarness {
-    scratch_dir: PathBuf,
-    child_index: AtomicUsize,
-}
-
-impl R1cERustcHarness {
-    fn new(scope: &str) -> Self {
-        let pid = std::process::id();
-        let scratch_dir = std::env::temp_dir().join(format!("r1c_e_{scope}_{pid}"));
-        Self {
-            scratch_dir,
-            child_index: AtomicUsize::new(0),
-        }
-    }
-
-    fn next_child_dir(&self) -> PathBuf {
-        let id = self.child_index.fetch_add(1, Ordering::Relaxed);
-        let path = self.scratch_dir.join(format!("c{id}"));
-        std::fs::create_dir_all(&path).expect("create harness child dir");
-        path
-    }
-
-    fn compile(&self, rust_source: &str, bin_name: &str, mode: HarnessLinkMode) -> PathBuf {
-        let tmp_dir = self.next_child_dir();
-        let src_path = tmp_dir.join("main.rs");
-        let bin_path = tmp_dir.join(bin_name);
-        std::fs::File::create(&src_path)
-            .and_then(|mut f| f.write_all(rust_source.as_bytes()))
-            .expect("write harness source");
-
-        let mut cmd = Command::new("rustc");
-        cmd.env_remove("RUSTC_BOOTSTRAP")
-            .arg("--edition=2021")
-            .arg(&src_path)
-            .arg("-o")
-            .arg(&bin_path);
-
-        if let HarnessLinkMode::WithV3Compiler = mode {
-            let deps = rustc_deps_dir();
-            let rlib = find_current_rlib("v3_compiler");
-            cmd.arg("-L")
-                .arg(format!("dependency={}", deps.display()))
-                .arg("--extern")
-                .arg(format!("v3_compiler={}", rlib.display()));
-        }
-
-        let status = cmd
-            .stdout(Stdio::inherit())
-            .stderr(Stdio::inherit())
-            .status()
-            .expect("invoke rustc — install a rust toolchain to run this gate");
-        assert!(status.success(), "rustc failed on harness source");
-        bin_path
-    }
-
-    fn run(bin: &Path, args: &[&str]) -> String {
-        let output = Command::new(bin)
-            .args(args)
-            .output()
-            .expect("run compiled harness");
-        if !output.status.success() {
-            panic!(
-                "compiled harness failed for args {args:?}: {}",
-                String::from_utf8_lossy(&output.stderr)
-            );
-        }
-        String::from_utf8_lossy(&output.stdout).trim().to_string()
-    }
-}
-
-static EMIT_RUST_HARNESS: OnceLock<R1cERustcHarness> = OnceLock::new();
-static PROGRAM_HARNESS_BIN: OnceLock<PathBuf> = OnceLock::new();
-static REFLECTED_HARNESS_BIN: OnceLock<PathBuf> = OnceLock::new();
-
-fn emit_rust_harness() -> &'static R1cERustcHarness {
-    EMIT_RUST_HARNESS.get_or_init(|| R1cERustcHarness::new("emit_rust_r1c_e"))
-}
-
-fn build_program_harness() -> PathBuf {
-    let mut body = String::new();
-    for fixture in PROGRAM_FIXTURES {
-        let emitted = emit_rust(
-            &compile_to_dag(fixture.source, "program_fixture.v3").expect("compiles to dag"),
-        )
-        .expect("emit_rust");
-        let emitted_pub_main = emitted.replace("fn main()", "pub fn main()");
-        body.push_str(&format!(
-            "#[allow(warnings, clippy::all)] pub mod {name} {{ {emitted} }}\n",
-            name = fixture.name,
-            emitted = emitted_pub_main,
-        ));
-    }
-    body.push_str(
-        "fn main() { \
-           let name = std::env::args().nth(1).expect(\"program fixture name\"); \
-           match name.as_str() { \
-        ",
-    );
-    for fixture in PROGRAM_FIXTURES {
-        body.push_str(&format!("\"{0}\" => {0}::main(), ", fixture.name));
-    }
-    body.push_str(
-        "other => panic!(\"unknown program fixture: {other}\"), \
-         } \
-         }\n",
-    );
-    emit_rust_harness().compile(&body, "main_bin", HarnessLinkMode::Standalone)
-}
-
-fn program_harness_bin() -> &'static Path {
-    PROGRAM_HARNESS_BIN
-        .get_or_init(build_program_harness)
-        .as_path()
-}
-
-/// Run the batched program fixture harness (same binary as `m1_3_emit_rust_test` host path).
-pub fn run_rust_program_fixture(name: &str) -> String {
-    R1cERustcHarness::run(program_harness_bin(), &[name])
-}
-
-fn build_reflected_harness() -> PathBuf {
-    let mut body = String::new();
-    for fixture in REFLECTED_FIXTURES {
-        let module = emit_rust_module(
-            &compile_to_dag(fixture.module.source, "reflected_fixture.v3").expect("compiles"),
-        )
-        .expect("emits");
-        body.push_str(&format!(
-            "#[allow(warnings, clippy::all)] \
-             pub mod {name} {{ \
-               use v3_compiler::dag::*; \
-               use v3_compiler::diagnostics::*; \
-               {module} \
-               pub fn run() -> i64 {{ {wrapper} }} \
-             }}\n",
-            name = fixture.module.name,
-            wrapper = fixture.wrapper_body,
-        ));
-    }
-    body.push_str(
-        "fn main() { \
-           let name = std::env::args().nth(1).expect(\"test name arg\"); \
-           let value: i64 = match name.as_str() { \
-        ",
-    );
-    for fixture in REFLECTED_FIXTURES {
-        body.push_str(&format!("\"{0}\" => {0}::run(), ", fixture.module.name));
-    }
-    body.push_str(
-        "other => panic!(\"unknown reflected harness test: {other}\"), \
-         }; \
-         println!(\"{value}\"); \
-         }\n",
-    );
-    emit_rust_harness().compile(&body, "reflected_bin", HarnessLinkMode::WithV3Compiler)
-}
-
-fn reflected_harness_bin() -> &'static Path {
-    REFLECTED_HARNESS_BIN
-        .get_or_init(build_reflected_harness)
-        .as_path()
-}
-
-/// Run the batched reflected-module fixture harness.
-pub fn run_rust_reflected_fixture(name: &str) -> String {
-    R1cERustcHarness::run(reflected_harness_bin(), &[name])
-}
-
-/// `emit_rust_fixtures_rustc_green` — full matrix: all program + reflected
-/// roundtrip expectations.
-pub fn check_emit_rust_fixtures_rustc_green() -> Result<(), String> {
-    let mut failures: Vec<String> = Vec::new();
-    for fixture in PROGRAM_FIXTURES {
-        let stdout = run_rust_program_fixture(fixture.name);
-        if stdout != fixture.expected_stdout {
-            failures.push(format!(
-                "program {:?}: expected {:?}, got {stdout:?}",
-                fixture.name, fixture.expected_stdout,
-            ));
-        }
-    }
-    for fixture in REFLECTED_FIXTURES {
-        let stdout = run_rust_reflected_fixture(fixture.module.name);
-        let (ok, label) = match &fixture.expected_stdout {
-            ReflectedExpected::Exact(expected) => (stdout == *expected, format!("{expected:?}")),
-            ReflectedExpected::PositiveInt => (
-                stdout.parse::<i64>().is_ok_and(|n| n > 0),
-                "positive integer".to_owned(),
-            ),
-        };
-        if !ok {
-            failures.push(format!(
-                "reflected {:?}: expected {label}, got {stdout:?}",
-                fixture.module.name,
-            ));
-        }
-    }
-    if failures.is_empty() {
-        Ok(())
-    } else {
-        Err(format!(
-            "{} fixture(s) failed:\n{}",
-            failures.len(),
-            failures.join("\n")
-        ))
-    }
-}
-
-// === multi_target_emit_verification (E-5 post_emit_verifier on user programs) ===
-
-/// Every `PROGRAM_FIXTURES` row must pass each **applicable** Shape-A target's declared
-/// `post_emit_verifier` (rustc / gofmt / py_compile), honoring `GO_EMIT_EXCLUDE` /
-/// `PYTHON_EMIT_EXCLUDE`. Closes the gap where M1 only cargo-checks the self-host
-/// `src/v4` tree and `Compiles` ignores emission.
-pub fn check_program_fixtures_post_emit_clean_all_targets() -> Result<(), String> {
-    let scratch_root = std::env::temp_dir().join(format!("r1c_e_post_emit_{}", std::process::id()));
-    std::fs::create_dir_all(&scratch_root).map_err(|e| format!("create scratch: {e}"))?;
-    let mut failures = Vec::new();
-    for fixture in PROGRAM_FIXTURES {
-        let dag = compile_to_dag(fixture.source, "r1c_e_post_emit.v3")
-            .map_err(|e| format!("compile `{}`: {e:?}", fixture.name))?;
-        let scratch = scratch_root.join(fixture.name);
-        if let Err(msg) =
-            verify_program_emitted_source_all_targets(&dag, &scratch, fixture.name, fixture.name)
-        {
-            failures.push(format!("{}: {msg}", fixture.name));
-        }
-        let _ = std::fs::remove_dir_all(&scratch);
-    }
-    let _ = std::fs::remove_dir_all(&scratch_root);
-    if failures.is_empty() {
-        Ok(())
-    } else {
-        Err(format!(
-            "{} fixture(s) failed post_emit_verifier:\n{}",
-            failures.len(),
-            failures.join("\n")
-        ))
-    }
-}
-
-// === emit_omni_demo_fixtures_green (multi-target) ===
-
-struct OmniTmpDir(PathBuf);
-
-impl OmniTmpDir {
-    fn new(tag: u64) -> Self {
-        let path = std::env::temp_dir().join(format!("v3_r1c_e_omni_{tag}_{}", std::process::id()));
-        std::fs::create_dir_all(&path).expect("omni tmp dir");
-        Self(path)
-    }
-    fn path(&self) -> &Path {
-        &self.0
-    }
-}
-
-impl Drop for OmniTmpDir {
-    fn drop(&mut self) {
-        let _ = std::fs::remove_dir_all(&self.0);
-    }
-}
-
-/// Monotonic tag for each `OmniTmpDir` (`v3_r1c_e_omni_{tag}_{pid}`). Rust, Go, and
-/// Python paths each `fetch_add` so concurrent scratch dirs never share one `tag`.
-static OMNI_TMP_TAG: AtomicUsize = AtomicUsize::new(0);
-
-fn omni_fixtures() -> Vec<&'static ProgramFixture> {
-    PROGRAM_FIXTURES
-        .iter()
-        .filter(|f| !GO_EMIT_EXCLUDE.contains(&f.name))
-        .filter(|f| !PYTHON_EMIT_EXCLUDE.contains(&f.name))
-        .collect()
-}
-
-fn omni_rust_stdout(source: &str) -> Result<String, String> {
-    let id = OMNI_TMP_TAG.fetch_add(1, Ordering::Relaxed) as u64;
-    let dag =
-        compile_to_dag(source, "omni_parity_r1c_e.v3").map_err(|e| format!("compile: {e:?}"))?;
-    let rendered = emit_rust(&dag).map_err(|e| format!("Rust emit: {e:?}"))?;
-    let tmp = OmniTmpDir::new(id);
-    let src_path = tmp.path().join("main.rs");
-    let bin_path = tmp.path().join("main_bin");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .map_err(|e| format!("write rust: {e}"))?;
-    let compile = Command::new("rustc")
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .stdout(Stdio::inherit())
-        .stderr(Stdio::inherit())
-        .status()
-        .map_err(|e| format!("invoke rustc: {e}"))?;
-    if !compile.success() {
-        return Err(format!("rustc failed on emitted source:\n{rendered}"));
-    }
-    let run = Command::new(&bin_path)
-        .output()
-        .map_err(|e| format!("run binary: {e}"))?;
-    if !run.status.success() {
-        return Err("compiled rust binary exited non-zero".to_string());
-    }
-    Ok(String::from_utf8_lossy(&run.stdout).trim().to_string())
-}
-
-fn omni_go_stdout(fixture_name: &str, source: &str) -> Result<String, String> {
-    let dag = compile_to_dag(source, "omni_parity_r1c_e.v3")
-        .map_err(|e| format!("compile `{fixture_name}`: {e:?}"))?;
-    let rendered = emit(&dag, EmitTarget::Go)
-        .map_err(|e| format!("Go emit `{fixture_name}`: {e:?}"))?
-        .text;
-    let id = OMNI_TMP_TAG.fetch_add(1, Ordering::Relaxed) as u64;
-    let tmp = OmniTmpDir::new(id);
-    let src_path = tmp.path().join("main.go");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .map_err(|e| format!("write go: {e}"))?;
-    let run = Command::new("go")
-        .arg("run")
-        .arg(&src_path)
-        .current_dir(tmp.path())
-        .output()
-        .map_err(|e| format!("go run `{fixture_name}`: {e}"))?;
-    if !run.status.success() {
-        return Err(format!(
-            "go run failed for `{fixture_name}`:\nstdout:\n{}\nstderr:\n{}",
-            String::from_utf8_lossy(&run.stdout),
-            String::from_utf8_lossy(&run.stderr)
-        ));
-    }
-    Ok(String::from_utf8_lossy(&run.stdout).trim().to_string())
-}
-
-fn omni_python_stdout(fixture_name: &str, source: &str) -> Result<String, String> {
-    let dag = compile_to_dag(source, "omni_parity_r1c_e.v3")
-        .map_err(|e| format!("compile `{fixture_name}`: {e:?}"))?;
-    let rendered = emit(&dag, EmitTarget::Python)
-        .map_err(|e| format!("Python emit `{fixture_name}`: {e:?}"))?
-        .text;
-    let id = OMNI_TMP_TAG.fetch_add(1, Ordering::Relaxed) as u64;
-    let tmp = OmniTmpDir::new(id);
-    let src_path = tmp.path().join("main.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .map_err(|e| format!("write py: {e}"))?;
-    let run = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .map_err(|e| format!("python3 `{fixture_name}`: {e}"))?;
-    if !run.status.success() {
-        return Err(format!(
-            "python3 failed for `{fixture_name}`:\nstderr:\n{}",
-            String::from_utf8_lossy(&run.stderr)
-        ));
-    }
-    Ok(String::from_utf8_lossy(&run.stdout).trim().to_string())
-}
-
-fn omni_toolchain_available(cmd: &str, probe_arg: &str) -> bool {
-    Command::new(cmd)
-        .arg(probe_arg)
-        .stdout(Stdio::null())
-        .stderr(Stdio::null())
-        .status()
-        .ok()
-        .is_some_and(|s| s.success())
-}
-
-/// `emit_omni_demo_fixtures_green` — all omni targets agree with Rust baselines
-/// (host: `m1_5_emit_omni_demo_test::emit_omni_demo_fixtures_green`).
-pub fn check_omni_demo_fixtures_green() -> Result<(), String> {
-    if !omni_toolchain_available("go", "version") {
-        return Err("go toolchain not found — this gate requires go on PATH".to_string());
-    }
-    if !omni_toolchain_available("python3", "--version") {
-        return Err("python3 toolchain not found — this gate requires python3 on PATH".to_string());
-    }
-    let fixtures = omni_fixtures();
-    if fixtures.is_empty() {
-        return Err("omni fixture set is empty after excludes".to_string());
-    }
-    for fixture in fixtures {
-        let rust = omni_rust_stdout(fixture.source)
-            .map_err(|e| format!("omni rust `{}`: {e}", fixture.name))?;
-        let go = omni_go_stdout(fixture.name, fixture.source)?;
-        if go != rust {
-            return Err(format!(
-                "Go output diverged from Rust for `{}` (go={go:?} rust={rust:?})",
-                fixture.name
-            ));
-        }
-        let py = omni_python_stdout(fixture.name, fixture.source)?;
-        if py != rust {
-            return Err(format!(
-                "Python output diverged from Rust for `{}` (py={py:?} rust={rust:?})",
-                fixture.name
-            ));
-        }
-    }
-    Ok(())
-}
diff --git a/src/v3/compiler/src/r3_fc_lane2_loop_witness.rs b/src/v3/compiler/src/r3_fc_lane2_loop_witness.rs
deleted file mode 100644
index f59ab07a6e1..00000000000
--- a/src/v3/compiler/src/r3_fc_lane2_loop_witness.rs
+++ /dev/null
@@ -1,312 +0,0 @@
-//! R3 T-Free-Consequences: optional `lane2_workflow` on the workflow root from an **authored
-//! comment** in the claim `source` string.
-//!
-//! **Modeling tension (explicit):** `docs/design-db18-workflow-effect-carrier.md` targets workflow /
-//! loop shape as **lowering-only** substrate facts. This module is a **harness side channel**: it
-//! fabricates `WorkflowEffect::LoopEffect` from a magic comment after parse/lower, so downstream
-//! lenses can read the same carrier lowering will eventually own. That is intentional **Pattern A
-//! author-now debt**, not the end-state authority model.
-//!
-//! **Program budget (P5 receipt):** `ROADMAP.md` §"Reflective integration patterns" — bullet
-//! **"R3 second-batch auto-loop scaffold (T-Free-Consequences gates #46–#48)"** authorizes this path
-//! and names the single dissolution trigger. SG-0 net-add PRs must pair with Director-budget class
-//! **(b)** citing that ROADMAP URL, not research-only briefs as sole authority. Shape discussion (not
-//! authorization) remains in `docs/briefs/r3-v-auto-loop-parallelism-cross-target-witness-shapes.md`.
-//!
-//! **Paired scaffold:** [`crate::lens_declaration_apply::apply_lens_declaration`] special-cases lens
-//! `auto_loop_parallelism_pending_lens` when `program_under_test` is `Some`; dissolve **together**
-//! with this scanner when lowering installs `lane2_workflow` from surface syntax.
-//!
-//! **Scope — global `compile_to_dag`, not `cfg(test)`:** [`crate::compile_to_dag`] and
-//! `compile_onto_parse_surface_free_bootstrap` always call into this module after `infer`. Any
-//! `.v3` source that includes the magic directive therefore stages `lane2_workflow` on the workflow
-//! **Bind shell** ([`Dag::workflow_lane2_subject`]) in that compile. This is deliberate: claim programs and ordinary programs share one
-//! pipeline, and activation is **opt-in** via the `gunbc::r3_free_consequences::…` namespaced prefix
-//! (not a test-only hook). Reading that staged fact through `auto_loop_parallelism_pending_lens`
-//! still requires the test-runner / lens path to pass `program_under_test: Some(_)`.
-//!
-//! **Dissolution:** delete this scan and the magic-comment contract when lowering authors loop
-//! `lane2_workflow` facts; remove the lens name-key branch in the same change set.
-
-use std::collections::BTreeMap;
-
-use crate::dag::{
-    CallableRef, Dag, HttpMethodScalar, InputField, Operation, PathTemplate, RestEndpointBinding,
-    UrlPathToken, WorkflowEffect,
-};
-use crate::diagnostics::{Correction, Diagnostic, SourceSpan};
-
-fn lane2_witness_operation(
-    dag: &Dag,
-    name: &str,
-    method: HttpMethodScalar,
-    tokens: Vec<UrlPathToken>,
-) -> Operation {
-    let callable = dag
-        .declaration_by_name(name)
-        .expect("bootstrap should provide requested method declaration")
-        .id;
-    let inputs = tokens
-        .iter()
-        .filter_map(|token| match token {
-            UrlPathToken::ParamToken { name } => Some((name.clone(), InputField {})),
-            UrlPathToken::LiteralToken { .. } => None,
-        })
-        .collect::<BTreeMap<String, InputField>>();
-    Operation {
-        callable: CallableRef { decl: callable },
-        inputs,
-        endpoint: RestEndpointBinding {
-            method,
-            path: PathTemplate { tokens },
-        },
-    }
-}
-
-const DIRECTIVE_PREFIX: &str = "// gunbc::r3_free_consequences::lane2_loop_witness:";
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum WitnessKind {
-    ReadOnlyLoop,
-    UpsertLoop,
-    /// Present in source: do not register `lane2_workflow` (unproven / sequential default).
-    Unproven,
-}
-
-enum WitnessScan {
-    Absent,
-    Ok {
-        kind: WitnessKind,
-        directive_span: SourceSpan,
-    },
-    Malformed {
-        span: SourceSpan,
-        message: String,
-    },
-}
-
-fn scan_witness(source: &str, file: &str) -> WitnessScan {
-    let mut i = 0usize;
-    while i < source.len() {
-        let line_end = source[i..]
-            .find('\n')
-            .map(|p| i + p)
-            .unwrap_or(source.len());
-        let line_no_nl = &source[i..line_end];
-        let ws_leading = line_no_nl.len() - line_no_nl.trim_start().len();
-        let trimmed = line_no_nl.trim();
-        let trimmed_start = i + ws_leading;
-        let trimmed_end = trimmed_start + trimmed.len();
-
-        if let Some(rest) = trimmed.strip_prefix(DIRECTIVE_PREFIX) {
-            let token = rest.trim();
-            if token.is_empty() {
-                return WitnessScan::Malformed {
-                    span: SourceSpan::new(file, trimmed_start as u32, trimmed_end as u32),
-                    message: "`lane2_loop_witness` directive requires a token: read_only, upsert_dependent, or unproven".to_string(),
-                };
-            }
-            let kind = match token {
-                "read_only" => WitnessKind::ReadOnlyLoop,
-                "upsert_dependent" => WitnessKind::UpsertLoop,
-                "unproven" => WitnessKind::Unproven,
-                _ => {
-                    return WitnessScan::Malformed {
-                        span: SourceSpan::new(file, trimmed_start as u32, trimmed_end as u32),
-                        message: format!(
-                            "unknown `lane2_loop_witness` directive token `{token}`; expected read_only | upsert_dependent | unproven"
-                        ),
-                    };
-                }
-            };
-            return WitnessScan::Ok {
-                kind,
-                directive_span: SourceSpan::new(file, trimmed_start as u32, trimmed_end as u32),
-            };
-        }
-
-        i = if line_end < source.len() {
-            line_end + 1
-        } else {
-            line_end
-        };
-    }
-    WitnessScan::Absent
-}
-
-/// If `source` carries a `lane2_loop_witness` directive, register the matching
-/// [`WorkflowEffect::LoopEffect`] on [`Dag::workflow_lane2_subject`] (last `Bind` shell).
-///
-/// Fail-closed: a `read_only` / `upsert_dependent` directive **must** stage `lane2_workflow` or emit
-/// a diagnostic (no silent collapse into the same sequential scalar as a missing carrier).
-pub fn apply_authored_lane2_loop_witness(dag: &mut Dag, source: &str, file: &str) {
-    match scan_witness(source, file) {
-        WitnessScan::Absent => {}
-        WitnessScan::Malformed { span, message } => {
-            dag.attach_diagnostic(Diagnostic::ParseError {
-                message,
-                span,
-                correction: Correction::deferred_for_diagnostic_class("Lane2LoopWitnessDiagnostic"),
-            });
-        }
-        WitnessScan::Ok {
-            kind,
-            directive_span,
-        } => {
-            if matches!(kind, WitnessKind::Unproven) {
-                return;
-            }
-            let wf = match kind {
-                WitnessKind::ReadOnlyLoop => WorkflowEffect::LoopEffect {
-                    body: Box::new(WorkflowEffect::LinearEffect {
-                        ops: vec![lane2_witness_operation(
-                            dag,
-                            "get_method",
-                            HttpMethodScalar::Get,
-                            vec![],
-                        )],
-                    }),
-                },
-                WitnessKind::UpsertLoop => WorkflowEffect::LoopEffect {
-                    body: Box::new(WorkflowEffect::LinearEffect {
-                        ops: vec![lane2_witness_operation(
-                            dag,
-                            "map_insert_method",
-                            HttpMethodScalar::Put,
-                            vec![UrlPathToken::ParamToken {
-                                name: "id".to_string(),
-                            }],
-                        )],
-                    }),
-                },
-                WitnessKind::Unproven => unreachable!("filtered above"),
-            };
-            let Some(subject) = dag.workflow_lane2_subject() else {
-                dag.attach_diagnostic(Diagnostic::ParseError {
-                    message: "`lane2_loop_witness` directive requires a workflow shell `Bind` to attach `lane2_workflow`; this program has no `Bind`".to_string(),
-                    span: directive_span,
-                    correction: Correction::deferred_for_diagnostic_class("Lane2LoopWitnessDiagnostic"),
-                });
-                return;
-            };
-            if !dag.try_register_lane2_workflow_effect(subject, wf) {
-                dag.attach_diagnostic(Diagnostic::ParseError {
-                    message: "`lane2_loop_witness`: cannot attach `lane2_workflow` (substrate supports Value/Bind nodes only)".to_string(),
-                    span: directive_span,
-                    correction: Correction::deferred_for_diagnostic_class("Lane2LoopWitnessDiagnostic"),
-                });
-            }
-        }
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use crate::compile_to_dag;
-    use crate::dag::{operation_effect_shape, EffectShape, IdempotentShape, WorkflowEffect};
-    use crate::diagnostics::Diagnostic;
-    use crate::CompileError;
-
-    #[test]
-    fn directive_on_a_later_line_is_found_after_non_matching_comments() {
-        let src = "// unrelated preamble comment\n// gunbc::r3_free_consequences::lane2_loop_witness: read_only\nlet _: Int = 0\n";
-        let dag = compile_to_dag(src, "witness_after_preamble.v3").expect("compile");
-        let subject = dag.workflow_lane2_subject().expect("lane2 subject");
-        assert_eq!(
-            crate::loop_iteration_parallel_emission_indicator(&dag, subject),
-            1
-        );
-    }
-
-    #[test]
-    fn read_only_directive_registers_loop_workflow() {
-        let src = "// gunbc::r3_free_consequences::lane2_loop_witness: read_only\nlet _: Int = 0\n";
-        let dag = compile_to_dag(src, "witness_read.v3").expect("compile");
-        let subject = dag.workflow_lane2_subject().expect("lane2 subject");
-        let wf = dag
-            .lane2_workflow_effect_at(&subject)
-            .expect("lane2_workflow staged");
-        assert!(matches!(
-            wf,
-            WorkflowEffect::LoopEffect { body }
-                if matches!(
-                    body.as_ref(),
-                    WorkflowEffect::LinearEffect { ops }
-                        if ops.len() == 1
-                            && matches!(
-                                operation_effect_shape(&dag, &ops[0]),
-                                Some(EffectShape::IsIdempotent(IdempotentShape::ReadEffect))
-                            )
-                )
-        ));
-        assert_eq!(
-            crate::loop_iteration_parallel_emission_indicator(&dag, subject),
-            1
-        );
-    }
-
-    #[test]
-    fn upsert_directive_registers_sequential_body() {
-        let src =
-            "// gunbc::r3_free_consequences::lane2_loop_witness: upsert_dependent\nlet _: Int = 0\n";
-        let dag = compile_to_dag(src, "witness_upsert.v3").expect("compile");
-        let subject = dag.workflow_lane2_subject().expect("lane2 subject");
-        let wf = dag
-            .lane2_workflow_effect_at(&subject)
-            .expect("lane2_workflow staged");
-        assert!(matches!(
-            wf,
-            WorkflowEffect::LoopEffect { body }
-                if matches!(
-                    body.as_ref(),
-                    WorkflowEffect::LinearEffect { ops }
-                        if ops.len() == 1
-                            && matches!(
-                                operation_effect_shape(&dag, &ops[0]),
-                                Some(EffectShape::IsIdempotent(IdempotentShape::UpsertEffect { .. }))
-                            )
-                )
-        ));
-        assert_eq!(
-            crate::loop_iteration_parallel_emission_indicator(&dag, subject),
-            0
-        );
-    }
-
-    #[test]
-    fn unproven_directive_leaves_lane2_absent() {
-        let src = "// gunbc::r3_free_consequences::lane2_loop_witness: unproven\nlet _: Int = 0\n";
-        let dag = compile_to_dag(src, "witness_none.v3").expect("compile");
-        let subject = dag.workflow_lane2_subject().expect("lane2 subject");
-        assert!(dag.lane2_workflow_effect_at(&subject).is_none());
-        assert_eq!(
-            crate::loop_iteration_parallel_emission_indicator(&dag, subject),
-            0
-        );
-    }
-
-    #[test]
-    fn unknown_directive_token_is_parse_error() {
-        let file = "witness_typo.v3";
-        let src = "// gunbc::r3_free_consequences::lane2_loop_witness: typo\nlet _: Int = 0\n";
-        let err = compile_to_dag(src, file).expect_err("diagnostic");
-        let CompileError::Semantic(dag) = err else {
-            panic!("expected semantic failure");
-        };
-        // Contract: malformed witness token surfaces as `Diagnostic::ParseError` on the claim file.
-        // Avoid substring-matching diagnostic prose (TESTING.md / INVARIANTS P3); span + variant only.
-        let mut parse_error_spans = 0u32;
-        for (_, d) in dag.diagnostics().iter() {
-            if let Diagnostic::ParseError { span, .. } = d {
-                assert_eq!(span.file, file);
-                parse_error_spans += 1;
-            }
-        }
-        assert_eq!(
-            parse_error_spans,
-            1,
-            "expected exactly one ParseError for malformed witness token, diagnostics={:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        );
-    }
-}
diff --git a/src/v3/compiler/src/r3_gate_87_cementing_regen_runner_suites.rs b/src/v3/compiler/src/r3_gate_87_cementing_regen_runner_suites.rs
deleted file mode 100644
index bd0d06d2ea3..00000000000
--- a/src/v3/compiler/src/r3_gate_87_cementing_regen_runner_suites.rs
+++ /dev/null
@@ -1,140 +0,0 @@
-//! R3 gate #87 — PB-B-1 runner table for `tests/dag/t_r3_gate_87_cementing_regen_*.dag` harnesses.
-//!
-//! **INVARIANTS P2 / single authority:** `R3_GATE_87_CEMENTING_REGEN_SUITES` is the only merge-visible
-//! inventory for which harnesses `t_pb_b_1_dag_runner_test` executes. `cementing_dispatch` and
-//! `r3_gate_87_lens_cementing_regen_receipts_test` consume the same table so `.dag` Band-C receipts
-//! cannot pass `CementingDispatchMatchesProjection` without a matching runner row.
-
-use std::collections::BTreeSet;
-use std::path::Path;
-
-/// `LensRegistryEntry.name` values implied by [`R3_GATE_87_CEMENTING_REGEN_SUITES`] harness `file`
-/// paths (`t_r3_gate_87_cementing_regen_<name>.dag`). **Single authority** for the gate-#87
-/// inventory ratchet: `r3_gate_87_lens_cementing_regen_receipts_test` compares live `regen.dag`
-/// names against this set so a new registry row cannot ship without a matching runner row.
-pub fn r3_gate_87_cementing_regen_lens_names_for_runner_table() -> BTreeSet<String> {
-    R3_GATE_87_CEMENTING_REGEN_SUITES
-        .iter()
-        .map(|(_, file, _, _)| lens_name_from_gate_87_harness_path(file))
-        .collect()
-}
-
-/// Module stems (`tests/dag/<stem>.dag`) enumerated in [`R3_GATE_87_CEMENTING_REGEN_SUITES`].
-/// [`crate::cementing_dispatch::evaluate_cementing_dispatch_projection`] requires every
-/// `kind == "dag"` receipt in `cementing_dispatch.dag` to use one of these stems so the dispatch
-/// list cannot drift from the T-PB-B-1 runner.
-pub fn r3_gate_87_cementing_regen_pb_b1_dag_module_stems() -> BTreeSet<String> {
-    R3_GATE_87_CEMENTING_REGEN_SUITES
-        .iter()
-        .map(|(_, file, _, _)| {
-            Path::new(file)
-                .file_stem()
-                .and_then(|s| s.to_str())
-                .unwrap_or_else(|| {
-                    panic!("R3_GATE_87_CEMENTING_REGEN_SUITES: invalid harness path `{file}`")
-                })
-                .to_string()
-        })
-        .collect()
-}
-
-// R3 gate #87 — every `LensRegistryEntry` in `src/v3/compiler/regen.dag` has a
-// `src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_<name>.dag` harness evaluated here.
-const R3_GATE_87_CEMENTING_HARNESS_PATH_PREFIX: &str =
-    "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_";
-const R3_GATE_87_CEMENTING_HARNESS_PATH_SUFFIX: &str = ".dag";
-
-fn lens_name_from_gate_87_harness_path(file: &str) -> String {
-    file.strip_prefix(R3_GATE_87_CEMENTING_HARNESS_PATH_PREFIX)
-        .and_then(|rest| rest.strip_suffix(R3_GATE_87_CEMENTING_HARNESS_PATH_SUFFIX))
-        .unwrap_or_else(|| {
-            panic!(
-                "R3_GATE_87_CEMENTING_REGEN_SUITES: harness path must be \
-                 `{prefix}<lens_name>{suffix}`, got `{file}`",
-                prefix = R3_GATE_87_CEMENTING_HARNESS_PATH_PREFIX,
-                suffix = R3_GATE_87_CEMENTING_HARNESS_PATH_SUFFIX,
-            )
-        })
-        .to_string()
-}
-
-pub const R3_GATE_87_CEMENTING_REGEN_SUITES: &[(&str, &str, &str, &[&str])] = &[
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_cost.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost.dag",
-        "r3_gate_87_cementing_regen_cost_suite",
-        &[
-            "cementing_regen_cost_merge_sort_lens_output_equals",
-            "cementing_regen_cost",
-        ],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_cost_symbolic.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_symbolic.dag",
-        "r3_gate_87_cementing_regen_cost_symbolic_suite",
-        &[
-            "cementing_regen_cost_symbolic",
-            "cementing_regen_cost_symbolic_countdown",
-        ],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_cost_target_realization.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_target_realization.dag",
-        "r3_gate_87_cementing_regen_cost_target_realization_suite",
-        &["cementing_regen_cost_target_realization"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_effect_enumeration.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_effect_enumeration.dag",
-        "r3_gate_87_cementing_regen_effect_enumeration_suite",
-        &["cementing_regen_effect_enumeration"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_idempotency.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_idempotency.dag",
-        "r3_gate_87_cementing_regen_idempotency_suite",
-        &["cementing_regen_idempotency"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_infer_helpers.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_infer_helpers.dag",
-        "r3_gate_87_cementing_regen_infer_helpers_suite",
-        &["cementing_regen_infer_helpers"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_lower_helpers.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_lower_helpers.dag",
-        "r3_gate_87_cementing_regen_lower_helpers_suite",
-        &["cementing_regen_lower_helpers"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_parallelism.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_parallelism.dag",
-        "r3_gate_87_cementing_regen_parallelism_suite",
-        &["cementing_regen_parallelism"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_provenance.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_provenance.dag",
-        "r3_gate_87_cementing_regen_provenance_suite",
-        &["cementing_regen_provenance"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_structural_resolution.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_structural_resolution.dag",
-        "r3_gate_87_cementing_regen_structural_resolution_suite",
-        &["cementing_regen_structural_resolution"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_unused_parameters.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_unused_parameters.dag",
-        "r3_gate_87_cementing_regen_unused_parameters_suite",
-        &["cementing_regen_unused_parameters"],
-    ),
-    (
-        include_str!("../tests/dag/t_r3_gate_87_cementing_regen_variant_payload.dag"),
-        "src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_variant_payload.dag",
-        "r3_gate_87_cementing_regen_variant_payload_suite",
-        &["cementing_regen_variant_payload"],
-    ),
-];
diff --git a/src/v3/compiler/src/regen_bootstrap_emit.rs b/src/v3/compiler/src/regen_bootstrap_emit.rs
deleted file mode 100644
index 1feb00cea47..00000000000
--- a/src/v3/compiler/src/regen_bootstrap_emit.rs
+++ /dev/null
@@ -1,1003 +0,0 @@
-use std::fmt::Write as FmtWrite;
-use std::io::Write as IoWrite;
-use std::process::{Command, Stdio};
-
-use crate::dag::{
-    ArithmeticOp, ArrowBody, AtomPayload, Behavior, BindEmitParticipation, BindNode,
-    BranchEmitParticipation, BranchNode, BranchPattern, CardinalityBound, Cluster, ClusterId,
-    ComparisonOp, Dag, Declaration, DeclarationId, Field, FieldMap, FieldValue, IntraClusterCall,
-    LiteralBits, LogicalOp, LoopBound, LoopNode, MemberDescent, NodeId, NominalOpacity,
-    NonEmptyList, NonSingletonList, OperatorKind, Path, PayloadBinding, PhantomParameter, PortId,
-    PortState, TemplateArgument, TransformNode, TransformTarget, TypeConnective, ValueBody,
-    ValueNode,
-};
-use crate::diagnostics::{Diagnostic, DiagnosticAttribution};
-
-pub fn render_bootstrap_generated_rs(
-    dag: &Dag,
-    authority_label: &str,
-    function_name: &str,
-) -> Result<String, String> {
-    let header = format!(
-        "// AUTO-GENERATED from `{authority_label}` via `regen_bootstrap`.\n\
-         // Regenerate instead of hand-editing.\n\n"
-    );
-    let rust = emit_bootstrap_module(dag, function_name);
-    rustfmt_stdout(&format!("{header}{rust}"))
-}
-
-pub fn render_bootstrap_std_generated_rs(dag: &Dag) -> Result<String, String> {
-    render_bootstrap_generated_rs(dag, "dsl/std/*.dag", "bootstrapped_std_fixture_dag")
-}
-
-fn rustfmt_stdout(combined: &str) -> Result<String, String> {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .map_err(|e| format!("spawn rustfmt: {e}"))?;
-    child
-        .stdin
-        .as_mut()
-        .unwrap()
-        .write_all(combined.as_bytes())
-        .map_err(|e| format!("write rustfmt stdin: {e}"))?;
-    let output = child
-        .wait_with_output()
-        .map_err(|e| format!("wait rustfmt: {e}"))?;
-    if !output.status.success() {
-        return Err(format!(
-            "rustfmt failed: {}",
-            String::from_utf8_lossy(&output.stderr)
-        ));
-    }
-    String::from_utf8(output.stdout).map_err(|e| format!("rustfmt stdout utf-8: {e}"))
-}
-
-fn emit_bootstrap_module(dag: &Dag, function_name: &str) -> String {
-    let nodes_fn = format!("{function_name}_nodes");
-    let declarations_fn = format!("{function_name}_declarations");
-    let ports_fn = format!("{function_name}_ports");
-    let diagnostics_fn = format!("{function_name}_diagnostics");
-    let clusters_fn = format!("{function_name}_clusters");
-    let optional_match_disjs_fn = format!("{function_name}_optional_match_disjs");
-
-    let mut out = String::new();
-    out.push_str(&format!("pub(crate) fn {function_name}() -> Dag {{\n"));
-    out.push_str("    Dag {\n");
-    push_field(&mut out, "nodes", &format!("{nodes_fn}()"), 2);
-    push_field(&mut out, "declarations", &format!("{declarations_fn}()"), 2);
-    push_field(&mut out, "ports", &format!("{ports_fn}()"), 2);
-    push_field(&mut out, "diagnostics", &format!("{diagnostics_fn}()"), 2);
-    push_field(&mut out, "next_node_id", &dag.nodes().len().to_string(), 2);
-    push_field(
-        &mut out,
-        "next_declaration_id",
-        &dag.declarations().len().to_string(),
-        2,
-    );
-    push_field(&mut out, "next_port_id", &dag.ports().len().to_string(), 2);
-    out.push_str("        primitives: PrimitiveCache::default(),\n");
-    out.push_str("        substrate_markers: SubstrateMarkers::default(),\n");
-    out.push_str("        realization_metas: RealizationMetaCache::default(),\n");
-    out.push_str("        target_syntax: TargetSyntaxCache::default(),\n");
-    out.push_str("        stdlib_types: StdlibTypeCache::default(),\n");
-    out.push_str("        emit_anchors: EmitAnchorCache::default(),\n");
-    out.push_str("        pattern_binding_rule_variants: PatternBindingRuleVariants::default(),\n");
-    out.push_str("        variant_payload_field_access_rule_variants: VariantPayloadFieldAccessRuleVariants::default(),\n");
-    out.push_str(
-        "        verifier_output_policy_variants: VerifierOutputPolicyVariants::default(),\n",
-    );
-    out.push_str("        callable_strategy_variants: CallableStrategyVariants::default(),\n");
-    out.push_str("        emit_model_variants: EmitModelVariants::default(),\n");
-    push_field(&mut out, "clusters", &format!("{clusters_fn}()"), 2);
-    push_field(
-        &mut out,
-        "optional_match_disjs",
-        &format!("{optional_match_disjs_fn}()"),
-        2,
-    );
-    push_field(
-        &mut out,
-        "declaration_append_begin_after_bootstrap",
-        &dag.declarations().len().to_string(),
-        2,
-    );
-    out.push_str("    }\n");
-    out.push_str("}\n");
-    out.push_str(&format!(
-        "\n#[allow(clippy::vec_init_then_push)]\nfn {nodes_fn}() -> Vec<Behavior> {{\n    {}\n}}\n",
-        render_behaviors(dag.nodes())
-    ));
-    out.push_str(&format!(
-        "\n#[allow(clippy::vec_init_then_push)]\nfn {declarations_fn}() -> Vec<Declaration> {{\n    {}\n}}\n",
-        render_declarations(dag.declarations())
-    ));
-    out.push_str(&format!(
-        "\nfn {ports_fn}() -> HashMap<PortId, Port> {{\n    {}\n}}\n",
-        render_ports(dag)
-    ));
-    out.push_str(&format!(
-        "\nfn {diagnostics_fn}() -> DiagnosticTable {{\n    {}\n}}\n",
-        render_diagnostics(dag)
-    ));
-    out.push_str(&format!(
-        "\nfn {clusters_fn}() -> Vec<Cluster> {{\n    {}\n}}\n",
-        render_clusters(dag)
-    ));
-    out.push_str(&format!(
-        "\nfn {optional_match_disjs_fn}() -> HashMap<DeclarationId, DeclarationId> {{\n    {}\n}}\n",
-        render_optional_match_disjs(dag)
-    ));
-    out
-}
-
-fn push_field(out: &mut String, name: &str, value: &str, indent: usize) {
-    let padding = " ".repeat(indent * 4);
-    let _ = writeln!(out, "{padding}{name}: {value},");
-}
-
-fn render_declarations(declarations: &[Declaration]) -> String {
-    if declarations.is_empty() {
-        return "Vec::new()".to_string();
-    }
-    let mut out = format!(
-        "{{ let mut declarations = Vec::with_capacity({});\n",
-        declarations.len()
-    );
-    for declaration in declarations {
-        let _ = writeln!(
-            out,
-            "        declarations.push({});",
-            render_declaration(declaration)
-        );
-    }
-    out.push_str("        declarations }\n");
-    out
-}
-
-fn render_declaration(declaration: &Declaration) -> String {
-    format!(
-        "Declaration {{ id: {}, name: {}, connective: {}, type_params: {}, phantom_params: {}, meta_tag: {}, specialization_parent: {}, inhabits: {}, value_body: {}, refinement: {}, nominal_opacity: {}, span: {} }}",
-        render_declaration_id(declaration.id),
-        render_opt_string(declaration.name.as_deref()),
-        render_type_connective(&declaration.connective),
-        render_declaration_id_vec(&declaration.type_params),
-        render_phantom_params(&declaration.phantom_params),
-        render_opt_declaration_id(declaration.meta_tag),
-        render_opt_declaration_id(declaration.specialization_parent),
-        render_opt_declaration_id(declaration.inhabits),
-        render_opt_value_body(declaration.value_body.as_ref()),
-        render_opt_declaration_id(declaration.refinement),
-        render_opt_nominal_opacity(declaration.nominal_opacity.as_ref()),
-        render_source_span(&declaration.span),
-    )
-}
-
-fn render_opt_nominal_opacity(opacity: Option<&NominalOpacity>) -> String {
-    match opacity {
-        None => "None".to_string(),
-        Some(o) => {
-            let ids: Vec<String> = o
-                .permitted_accessors
-                .iter()
-                .map(|id| render_declaration_id(*id))
-                .collect();
-            format!(
-                "Some(NominalOpacity {{ permitted_accessors: vec![{}] }})",
-                ids.join(", ")
-            )
-        }
-    }
-}
-
-fn render_phantom_params(params: &[PhantomParameter]) -> String {
-    if params.is_empty() {
-        return "Vec::new()".to_string();
-    }
-    let rendered: Vec<String> = params
-        .iter()
-        .map(|param| {
-            format!(
-                "PhantomParameter {{ parameter: {}, algebra: {} }}",
-                render_declaration_id(param.parameter),
-                render_declaration_id(param.algebra)
-            )
-        })
-        .collect();
-    format!("vec![{}]", rendered.join(", "))
-}
-
-fn render_type_connective(connective: &TypeConnective) -> String {
-    match connective {
-        TypeConnective::Atom(payload) => {
-            format!("TypeConnective::Atom({})", render_atom_payload(payload))
-        }
-        TypeConnective::Conj { children } => {
-            format!(
-                "TypeConnective::Conj {{ children: {} }}",
-                render_fields(children)
-            )
-        }
-        TypeConnective::Disj { variants } => {
-            format!(
-                "TypeConnective::Disj {{ variants: {} }}",
-                render_fields(variants)
-            )
-        }
-        TypeConnective::Arrow {
-            inputs,
-            output,
-            body,
-        } => format!(
-            "TypeConnective::Arrow {{ inputs: {}, output: {}, body: {} }}",
-            render_declaration_id_vec(inputs),
-            render_declaration_id(*output),
-            render_arrow_body(body),
-        ),
-        TypeConnective::Cardinality(payload) => format!(
-            "TypeConnective::Cardinality(CardinalityPayload::new_unchecked_bypassing_idempotence({}, {}))",
-            render_declaration_id(payload.element()),
-            render_cardinality_bound(&payload.bound()),
-        ),
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => format!(
-            "TypeConnective::Instantiation {{ template: {}, arguments: {} }}",
-            render_declaration_id(*template),
-            render_template_arguments(arguments),
-        ),
-    }
-}
-
-fn render_fields(fields: &[Field]) -> String {
-    let values: Vec<String> = fields
-        .iter()
-        .map(|field| {
-            format!(
-                "Field {{ label: {:?}.to_string(), ty: {} }}",
-                field.label,
-                render_declaration_id(field.ty)
-            )
-        })
-        .collect();
-    render_vec(&values)
-}
-
-fn render_atom_payload(payload: &AtomPayload) -> String {
-    match payload {
-        AtomPayload::Literal(bits) => {
-            format!("AtomPayload::Literal({})", render_literal_bits(bits))
-        }
-        AtomPayload::UnresolvedIdentifier(name) => {
-            format!("AtomPayload::UnresolvedIdentifier({name:?}.to_string())")
-        }
-        AtomPayload::ResolvedByStructure(id) => {
-            format!(
-                "AtomPayload::ResolvedByStructure({})",
-                render_declaration_id(*id)
-            )
-        }
-        AtomPayload::ResolvedByName(id) => {
-            format!(
-                "AtomPayload::ResolvedByName({})",
-                render_declaration_id(*id)
-            )
-        }
-        AtomPayload::TypeParam(name) => format!("AtomPayload::TypeParam({name:?}.to_string())"),
-    }
-}
-
-fn render_arrow_body(body: &ArrowBody) -> String {
-    match body {
-        ArrowBody::UserDefined(id) => format!(
-            "ArrowBody::UserDefined(BindNodeId::new_unchecked({}))",
-            render_node_id(id.node_id())
-        ),
-        ArrowBody::ExternalRealization(id) => {
-            format!(
-                "ArrowBody::ExternalRealization({})",
-                render_declaration_id(*id)
-            )
-        }
-        ArrowBody::Pending => "ArrowBody::Pending".to_string(),
-        ArrowBody::NoBody => "ArrowBody::NoBody".to_string(),
-        ArrowBody::Unparsed(span) => format!("ArrowBody::Unparsed({})", render_source_span(span)),
-    }
-}
-
-fn render_cardinality_bound(bound: &CardinalityBound) -> String {
-    match bound {
-        CardinalityBound::Exact(value) => format!("CardinalityBound::Exact({value})"),
-        CardinalityBound::AtMostOne => "CardinalityBound::AtMostOne".to_string(),
-        CardinalityBound::Unbounded => "CardinalityBound::Unbounded".to_string(),
-    }
-}
-
-fn render_template_arguments(arguments: &[TemplateArgument]) -> String {
-    let values: Vec<String> = arguments
-        .iter()
-        .map(|arg| {
-            format!(
-                "TemplateArgument {{ parameter: {}, value: {} }}",
-                render_declaration_id(arg.parameter),
-                render_declaration_id(arg.value)
-            )
-        })
-        .collect();
-    render_vec(&values)
-}
-
-fn render_opt_value_body(value_body: Option<&ValueBody>) -> String {
-    match value_body {
-        Some(value_body) => format!("Some({})", render_value_body(value_body)),
-        None => "None".to_string(),
-    }
-}
-
-fn render_value_body(value_body: &ValueBody) -> String {
-    match value_body {
-        ValueBody::Unparsed(span) => format!("ValueBody::Unparsed({})", render_source_span(span)),
-        ValueBody::Structural { fields } => {
-            format!(
-                "ValueBody::Structural {{ fields: {} }}",
-                render_named_field_values(fields)
-            )
-        }
-        ValueBody::Scalar(bits) => format!("ValueBody::Scalar({})", render_literal_bits(bits)),
-        ValueBody::List(values) => {
-            let rendered: Vec<String> = values.iter().map(render_field_value).collect();
-            format!("ValueBody::List({})", render_vec(&rendered))
-        }
-        ValueBody::Map(entries) => {
-            format!(
-                "ValueBody::Map({})",
-                render_field_map("ValueBody::Map", entries)
-            )
-        }
-    }
-}
-
-fn render_field_map(context: &str, map: &FieldMap) -> String {
-    format!(
-        "FieldMap::from_entries({}).expect({context:?})",
-        render_named_field_values(map.entries())
-    )
-}
-
-fn render_named_field_values(fields: &[(String, FieldValue)]) -> String {
-    let values: Vec<String> = fields
-        .iter()
-        .map(|(label, value)| format!("({label:?}.to_string(), {})", render_field_value(value)))
-        .collect();
-    render_vec(&values)
-}
-
-fn render_field_value(value: &FieldValue) -> String {
-    match value {
-        FieldValue::Literal(bits) => format!("FieldValue::Literal({})", render_literal_bits(bits)),
-        FieldValue::Reference(id) => {
-            format!("FieldValue::Reference({})", render_declaration_id(*id))
-        }
-        FieldValue::Record(fields) => {
-            format!("FieldValue::Record({})", render_named_field_values(fields))
-        }
-        FieldValue::List(values) => {
-            let rendered: Vec<String> = values.iter().map(render_field_value).collect();
-            format!("FieldValue::List({})", render_vec(&rendered))
-        }
-        FieldValue::Map(entries) => {
-            format!(
-                "FieldValue::Map({})",
-                render_field_map("FieldValue::Map", entries)
-            )
-        }
-        FieldValue::Variant {
-            constructor,
-            payload,
-        } => {
-            let rendered: Vec<String> = payload.iter().map(render_field_value).collect();
-            format!(
-                "FieldValue::Variant {{ constructor: {}, payload: {} }}",
-                render_declaration_id(*constructor),
-                render_vec(&rendered)
-            )
-        }
-    }
-}
-
-fn render_behaviors(behaviors: &[Behavior]) -> String {
-    if behaviors.is_empty() {
-        return "Vec::new()".to_string();
-    }
-    let mut out = format!(
-        "{{ let mut nodes = Vec::with_capacity({});\n",
-        behaviors.len()
-    );
-    for behavior in behaviors {
-        let _ = writeln!(out, "        nodes.push({});", render_behavior(behavior));
-    }
-    out.push_str("        nodes }\n");
-    out
-}
-
-fn render_behavior(behavior: &Behavior) -> String {
-    match behavior {
-        Behavior::Value(node) => format!("Behavior::Value({})", render_value_node(node)),
-        Behavior::Transform(node) => {
-            format!("Behavior::Transform({})", render_transform_node(node))
-        }
-        Behavior::Branch(node) => format!("Behavior::Branch({})", render_branch_node(node)),
-        Behavior::Loop(node) => format!("Behavior::Loop({})", render_loop_node(node)),
-        Behavior::Bind(node) => format!("Behavior::Bind({})", render_bind_node(node)),
-    }
-}
-
-fn render_value_node(node: &ValueNode) -> String {
-    format!(
-        "ValueNode {{ id: {}, data: {}, output: {}, span: {}, lane2_workflow: {} }}",
-        render_node_id(node.id),
-        render_literal_bits(&node.data),
-        render_port_id(node.output),
-        render_source_span(&node.span),
-        render_lane2_workflow("ValueNode", node.id, node.lane2_workflow()),
-    )
-}
-
-fn render_transform_node(node: &TransformNode) -> String {
-    format!(
-        "TransformNode {{ id: {}, target: {}, inputs: {}, output: {}, span: {} }}",
-        render_node_id(node.id),
-        render_transform_target(&node.target),
-        render_port_id_vec(&node.inputs),
-        render_port_id(node.output),
-        render_source_span(&node.span),
-    )
-}
-
-fn render_branch_node(node: &BranchNode) -> String {
-    format!(
-        "BranchNode {{ id: {}, input: {}, paths: {}, output: {}, span: {}, emit_participation: {} }}",
-        render_node_id(node.id),
-        render_port_id(node.input),
-        render_paths(&node.paths),
-        render_port_id(node.output),
-        render_source_span(&node.span),
-        render_opt_branch_emit_participation(node.emit_participation()),
-    )
-}
-
-fn render_loop_node(node: &LoopNode) -> String {
-    format!(
-        "LoopNode {{ id: {}, source: {}, init: {}, body: {}, bound: {}, output: {}, span: {} }}",
-        render_node_id(node.id),
-        render_port_id(node.source),
-        render_port_id(node.init),
-        render_node_id(node.body),
-        render_loop_bound(&node.bound),
-        render_port_id(node.output),
-        render_source_span(&node.span),
-    )
-}
-
-fn render_bind_node(node: &BindNode) -> String {
-    format!(
-        "BindNode {{ id: {}, name: {:?}.to_string(), value: {}, params: {}, span: {}, lane2_workflow: {}, emit_participation: {} }}",
-        render_node_id(node.id),
-        node.name,
-        render_port_id(node.value),
-        render_port_id_vec(&node.params),
-        render_source_span(&node.span),
-        render_lane2_workflow("BindNode", node.id, node.lane2_workflow()),
-        render_opt_bind_emit_participation(node.emit_participation()),
-    )
-}
-
-fn render_opt_bind_emit_participation(p: Option<BindEmitParticipation>) -> String {
-    match p {
-        None => "None".to_string(),
-        Some(BindEmitParticipation::UserCallable) => {
-            "Some(BindEmitParticipation::UserCallable)".to_string()
-        }
-    }
-}
-
-fn render_opt_branch_emit_participation(p: Option<BranchEmitParticipation>) -> String {
-    match p {
-        None => "None".to_string(),
-        Some(BranchEmitParticipation::UserMatch) => {
-            "Some(BranchEmitParticipation::UserMatch)".to_string()
-        }
-    }
-}
-
-fn render_lane2_workflow(
-    behavior: &str,
-    node_id: NodeId,
-    workflow: Option<&crate::dag::WorkflowEffect>,
-) -> String {
-    match workflow {
-        None => "None".to_string(),
-        Some(_) => panic!(
-            "regen_bootstrap does not yet support serializing lane2_workflow on {behavior} {:?}",
-            node_id
-        ),
-    }
-}
-
-fn render_transform_target(target: &TransformTarget) -> String {
-    match target {
-        TransformTarget::Callable(id) => {
-            format!("TransformTarget::Callable({})", render_declaration_id(*id))
-        }
-        TransformTarget::UnresolvedFieldProject { field_label } => {
-            format!("TransformTarget::UnresolvedFieldProject {{ field_label: {field_label:?}.to_string() }}")
-        }
-        TransformTarget::ResolvedFieldProject { field_label } => format!(
-            "TransformTarget::ResolvedFieldProject {{ field_label: {field_label:?}.to_string() }}"
-        ),
-        TransformTarget::Operator(kind) => {
-            format!("TransformTarget::Operator({})", render_operator_kind(kind))
-        }
-    }
-}
-
-fn render_operator_kind(kind: &OperatorKind) -> String {
-    match kind {
-        OperatorKind::Arithmetic(op) => {
-            format!("OperatorKind::Arithmetic({})", render_arithmetic_op(op))
-        }
-        OperatorKind::Comparison(op) => {
-            format!("OperatorKind::Comparison({})", render_comparison_op(op))
-        }
-        OperatorKind::Logical(op) => format!("OperatorKind::Logical({})", render_logical_op(op)),
-    }
-}
-
-fn render_arithmetic_op(op: &ArithmeticOp) -> String {
-    match op {
-        ArithmeticOp::Add => "ArithmeticOp::Add".to_string(),
-        ArithmeticOp::Sub => "ArithmeticOp::Sub".to_string(),
-        ArithmeticOp::Mul => "ArithmeticOp::Mul".to_string(),
-        ArithmeticOp::Div => "ArithmeticOp::Div".to_string(),
-    }
-}
-
-fn render_comparison_op(op: &ComparisonOp) -> String {
-    match op {
-        ComparisonOp::Eq => "ComparisonOp::Eq".to_string(),
-        ComparisonOp::Ne => "ComparisonOp::Ne".to_string(),
-        ComparisonOp::Lt => "ComparisonOp::Lt".to_string(),
-        ComparisonOp::Le => "ComparisonOp::Le".to_string(),
-        ComparisonOp::Gt => "ComparisonOp::Gt".to_string(),
-        ComparisonOp::Ge => "ComparisonOp::Ge".to_string(),
-    }
-}
-
-fn render_logical_op(op: &LogicalOp) -> String {
-    match op {
-        LogicalOp::And => "LogicalOp::And".to_string(),
-        LogicalOp::Or => "LogicalOp::Or".to_string(),
-    }
-}
-
-fn render_paths(paths: &[Path]) -> String {
-    let values: Vec<String> = paths
-        .iter()
-        .map(|path| {
-            format!(
-                "Path {{ body: {}, output: {}, pattern: {}, binding: {} }}",
-                render_node_id(path.body),
-                render_port_id(path.output),
-                render_branch_pattern(&path.pattern),
-                render_opt_payload_binding(path.binding.as_ref()),
-            )
-        })
-        .collect();
-    render_vec(&values)
-}
-
-fn render_branch_pattern(pattern: &BranchPattern) -> String {
-    match pattern {
-        BranchPattern::UnresolvedVariant { name, span } => format!(
-            "BranchPattern::UnresolvedVariant {{ name: {name:?}.to_string(), span: {} }}",
-            render_source_span(span)
-        ),
-        BranchPattern::ResolvedVariant(id) => {
-            format!(
-                "BranchPattern::ResolvedVariant({})",
-                render_declaration_id(*id)
-            )
-        }
-    }
-}
-
-fn render_opt_payload_binding(binding: Option<&PayloadBinding>) -> String {
-    match binding {
-        Some(binding) => format!(
-            "Some(PayloadBinding {{ binding_name: {:?}.to_string(), payload_port: {} }})",
-            binding.binding_name,
-            render_port_id(binding.payload_port)
-        ),
-        None => "None".to_string(),
-    }
-}
-
-fn render_loop_bound(bound: &LoopBound) -> String {
-    match bound {
-        LoopBound::Cardinality { count } => {
-            format!(
-                "LoopBound::Cardinality {{ count: {} }}",
-                render_port_id(*count)
-            )
-        }
-        LoopBound::Descent { cluster, measure } => {
-            format!(
-                "LoopBound::Descent {{ cluster: {}, measure: {} }}",
-                render_cluster_id(*cluster),
-                render_port_id(*measure)
-            )
-        }
-    }
-}
-
-fn render_ports(dag: &Dag) -> String {
-    let ports = dag.ports();
-    if ports.is_empty() {
-        return "HashMap::new()".to_string();
-    }
-    let mut out = String::from("{ let mut ports = HashMap::new();\n");
-    for port in &ports {
-        let _ = writeln!(
-            out,
-            "        ports.insert({}, Port {{ id: {}, state: {}, produced_by: {} }});",
-            render_port_id(port.id()),
-            render_port_id(port.id()),
-            render_port_state(port.state()),
-            render_opt_node_id(port.produced_by),
-        );
-    }
-    out.push_str("        ports }\n");
-    out
-}
-
-fn render_port_state(state: &PortState) -> String {
-    match state {
-        PortState::Uninferred => "PortState::Uninferred".to_string(),
-        PortState::Resolved(shape) => {
-            format!(
-                "PortState::Resolved(TypeShape::new({}))",
-                render_declaration_id(shape.declaration)
-            )
-        }
-        PortState::Unresolved => "PortState::Unresolved".to_string(),
-    }
-}
-
-fn render_diagnostic_attribution(attribution: &DiagnosticAttribution) -> String {
-    match attribution {
-        DiagnosticAttribution::Unattributed => "DiagnosticAttribution::Unattributed".to_string(),
-        DiagnosticAttribution::BootstrapAuthority(key) => format!(
-            "DiagnosticAttribution::BootstrapAuthority(crate::diagnostics::BootstrapAuthorityKey::new({:?}))",
-            key.path()
-        ),
-    }
-}
-
-fn render_diagnostics(dag: &Dag) -> String {
-    let mut entries: Vec<_> = dag.diagnostics().iter_attributed().collect();
-    entries.sort_by_key(|(port, _, _)| port.raw());
-    if entries.is_empty() {
-        return "DiagnosticTable::new()".to_string();
-    }
-    let mut out = String::from("{ let mut table = DiagnosticTable::new();\n");
-    for (port, diagnostic, attribution) in entries {
-        let _ = writeln!(
-            out,
-            "        table.insert({}, {}, {});",
-            render_port_id(port),
-            render_diagnostic(diagnostic),
-            render_diagnostic_attribution(attribution),
-        );
-    }
-    out.push_str("        table }\n");
-    out
-}
-
-fn render_diagnostic(diagnostic: &Diagnostic) -> String {
-    match diagnostic {
-        Diagnostic::TokenizerError {
-            message,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::TokenizerError {{ message: {message:?}.to_string(), span: {}, correction: {} }}",
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::ParseError {
-            message,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::ParseError {{ message: {message:?}.to_string(), span: {}, correction: {} }}",
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::TypeMismatch {
-            expected,
-            actual,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::TypeMismatch {{ expected: TypeShape::new({}), actual: TypeShape::new({}), span: {}, correction: {} }}",
-            render_declaration_id(expected.declaration),
-            render_declaration_id(actual.declaration),
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::ArityMismatch {
-            function,
-            expected,
-            actual,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::ArityMismatch {{ function: {function:?}.to_string(), expected: {expected}, actual: {actual}, span: {}, correction: {} }}",
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::ResolveError {
-            name,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::ResolveError {{ name: {name:?}.to_string(), span: {}, correction: {} }}",
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::UnitMismatch {
-            operator,
-            parameter,
-            expected,
-            actual,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::UnitMismatch {{ operator: {operator:?}.to_string(), parameter: {parameter:?}.to_string(), expected: TypeShape::new({}), actual: TypeShape::new({}), span: {}, correction: {} }}",
-            render_declaration_id(expected.declaration),
-            render_declaration_id(actual.declaration),
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::BranchConditionNotBool {
-            port,
-            actual_type,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::BranchConditionNotBool {{ port: {}, actual_type: {}, span: {}, correction: {} }}",
-            render_port_id(*port),
-            render_opt_type_shape(*actual_type),
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::MagnitudeOutOfRange {
-            literal,
-            target,
-            range_min_inclusive,
-            range_max_inclusive,
-            expected,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::MagnitudeOutOfRange {{ literal: {literal:?}.to_string(), target: {target:?}.to_string(), range_min_inclusive: {range_min_inclusive:?}.to_string(), range_max_inclusive: {range_max_inclusive:?}.to_string(), expected: TypeShape::new({}), span: {}, correction: {} }}",
-            render_declaration_id(expected.declaration),
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::MalformedIntegerRangeFact {
-            message,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::MalformedIntegerRangeFact {{ message: {message:?}.to_string(), span: {}, correction: {} }}",
-            render_source_span(span),
-            render_correction(correction),
-        ),
-        Diagnostic::NominalOpacityViolation {
-            declaration,
-            accessor,
-            span,
-            correction,
-        } => format!(
-            "Diagnostic::NominalOpacityViolation {{ declaration: {}, accessor: {}, span: {}, correction: {} }}",
-            render_declaration_id(*declaration),
-            render_opt_declaration_id(*accessor),
-            render_source_span(span),
-            render_correction(correction),
-        ),
-    }
-}
-
-fn render_correction(correction: &crate::diagnostics::Correction) -> String {
-    match correction {
-        crate::diagnostics::Correction::LiveCorrection { witness } => {
-            format!(
-                "crate::diagnostics::Correction::live({:?}, {}, {:?})",
-                witness.description,
-                render_source_span(&witness.span),
-                witness.new_source,
-            )
-        }
-        crate::diagnostics::Correction::DeferredCorrection {
-            reason,
-            retirement_plan,
-        } => {
-            format!(
-                "crate::diagnostics::Correction::deferred({:?}, {:?}, {:?})",
-                reason, retirement_plan.owner, retirement_plan.exit_condition
-            )
-        }
-    }
-}
-
-fn render_clusters(dag: &Dag) -> String {
-    let values: Vec<String> = dag.clusters().iter().map(render_cluster).collect();
-    render_vec(&values)
-}
-
-fn render_cluster(cluster: &Cluster) -> String {
-    format!(
-        "Cluster {{ members: {}, intra_cluster_calls: {} }}",
-        render_non_singleton_member_descents(&cluster.members),
-        render_non_empty_intra_cluster_calls(&cluster.intra_cluster_calls),
-    )
-}
-
-fn render_non_singleton_member_descents(values: &NonSingletonList<MemberDescent>) -> String {
-    format!(
-        "NonSingletonList {{ first: {}, second: {}, rest: {} }}",
-        render_member_descent(&values.first),
-        render_member_descent(&values.second),
-        render_vec(
-            &values
-                .rest
-                .iter()
-                .map(render_member_descent)
-                .collect::<Vec<_>>()
-        ),
-    )
-}
-
-fn render_member_descent(value: &MemberDescent) -> String {
-    format!(
-        "MemberDescent {{ param: ParamRef {{ member: {}, slot: {} }} }}",
-        render_node_id(value.param.member_of()),
-        value.param.slot_of(),
-    )
-}
-
-fn render_non_empty_intra_cluster_calls(values: &NonEmptyList<IntraClusterCall>) -> String {
-    format!(
-        "NonEmptyList {{ first: {}, rest: {} }}",
-        render_intra_cluster_call(&values.first),
-        render_vec(
-            &values
-                .rest
-                .iter()
-                .map(render_intra_cluster_call)
-                .collect::<Vec<_>>()
-        ),
-    )
-}
-
-fn render_intra_cluster_call(value: &IntraClusterCall) -> String {
-    format!(
-        "IntraClusterCall {{ transform: TransformRef({}) }}",
-        render_node_id(value.transform.node_id())
-    )
-}
-
-fn render_optional_match_disjs(dag: &Dag) -> String {
-    let mut entries: Vec<_> = dag.optional_match_disjs().iter().collect();
-    entries.sort_by_key(|(key, _)| key.raw());
-    if entries.is_empty() {
-        return "HashMap::new()".to_string();
-    }
-    let mut out = String::from("{ let mut map = HashMap::new();\n");
-    for (key, value) in entries {
-        let _ = writeln!(
-            out,
-            "        map.insert({}, {});",
-            render_declaration_id(*key),
-            render_declaration_id(*value)
-        );
-    }
-    out.push_str("        map }\n");
-    out
-}
-
-fn render_literal_bits(bits: &LiteralBits) -> String {
-    match bits {
-        LiteralBits::Int(value) => format!("LiteralBits::Int({value:?}.to_string())"),
-        LiteralBits::Bool(value) => format!("LiteralBits::Bool({value})"),
-        LiteralBits::String(value) => format!("LiteralBits::String({value:?}.to_string())"),
-        LiteralBits::Symbol(value) => format!("LiteralBits::Symbol({value:?}.to_string())"),
-    }
-}
-
-fn render_source_span(span: &crate::diagnostics::SourceSpan) -> String {
-    format!(
-        "SourceSpan::new({:?}, {}, {})",
-        span.file, span.byte_start, span.byte_end
-    )
-}
-
-fn render_opt_type_shape(shape: Option<crate::types::TypeShape>) -> String {
-    match shape {
-        Some(shape) => format!(
-            "Some(TypeShape::new({}))",
-            render_declaration_id(shape.declaration)
-        ),
-        None => "None".to_string(),
-    }
-}
-
-fn render_declaration_id_vec(values: &[DeclarationId]) -> String {
-    let rendered: Vec<String> = values.iter().map(|id| render_declaration_id(*id)).collect();
-    render_vec(&rendered)
-}
-
-fn render_port_id_vec(values: &[PortId]) -> String {
-    let rendered: Vec<String> = values.iter().map(|id| render_port_id(*id)).collect();
-    render_vec(&rendered)
-}
-
-fn render_opt_declaration_id(id: Option<DeclarationId>) -> String {
-    match id {
-        Some(id) => format!("Some({})", render_declaration_id(id)),
-        None => "None".to_string(),
-    }
-}
-
-fn render_opt_node_id(id: Option<NodeId>) -> String {
-    match id {
-        Some(id) => format!("Some({})", render_node_id(id)),
-        None => "None".to_string(),
-    }
-}
-
-fn render_opt_string(value: Option<&str>) -> String {
-    match value {
-        Some(value) => format!("Some({value:?}.to_string())"),
-        None => "None".to_string(),
-    }
-}
-
-fn render_declaration_id(id: DeclarationId) -> String {
-    format!("DeclarationId({})", id.raw())
-}
-
-fn render_port_id(id: PortId) -> String {
-    format!("PortId({})", id.raw())
-}
-
-fn render_node_id(id: NodeId) -> String {
-    format!("NodeId({})", id.raw())
-}
-
-fn render_cluster_id(id: ClusterId) -> String {
-    format!("ClusterId({})", id.raw())
-}
-
-fn render_vec(values: &[String]) -> String {
-    if values.is_empty() {
-        "vec![]".to_string()
-    } else {
-        format!("vec![{}]", values.join(", "))
-    }
-}
diff --git a/src/v3/compiler/src/regen_lens_driver.rs b/src/v3/compiler/src/regen_lens_driver.rs
deleted file mode 100644
index 5e2e35da512..00000000000
--- a/src/v3/compiler/src/regen_lens_driver.rs
+++ /dev/null
@@ -1,266 +0,0 @@
-//! Unified lens-regen driver for `src/v3/compiler/regen.dag`.
-//!
-//! Reads every `data <name>_entry: LensRegistryEntry` record out of the
-//! bootstrap `Dag`, compiles the referenced `.dag` lens, and writes the
-//! `emit_rust_module` projection to the declared output path. Adding a new
-//! lens is an edit to `regen.dag`, not to this driver.
-//!
-//! **R3 gate #7 (`regen_lens_dot_rs_retired`):** the former program-sized
-//! `src/bin/regen_lens.rs` shim is retired from the SG-0 hand-authored census.
-//! The `regen_lens` Cargo `[[bin]]` target is the thin `main` in
-//! `src/regen_lens_entry.rs`, which constructs the bootstrap `Dag` once and
-//! delegates here.
-//!
-//! Usage (unchanged for operators):
-//!   cargo run -p v3-compiler --bin regen_lens
-//!   cargo run -p v3-compiler --bin regen_lens -- --lens cost
-
-use std::collections::HashMap;
-use std::env;
-use std::io::Write;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-
-use crate::dag::{Dag, FieldValue, LiteralBits, ValueBody};
-use crate::emit_rust::emit_rust_module;
-use crate::generated_files::GENERATED_FILES;
-use crate::process_exit::ProcessExit;
-use crate::{compile_to_dag, CompileError};
-
-const LENS_REGISTRY_ENTRY_TYPE: &str = "LensRegistryEntry";
-
-struct Entry {
-    name: String,
-    lens_file: String,
-    generated_file: String,
-}
-
-/// Entry surface for PB-1 bin-shim staging (`ProcessExit` carrier).
-///
-/// `dag` must be the bootstrap `Dag` from `Dag::new()` — the same authority used for
-/// `LensRegistryEntry` enumeration. Call sites store that `Dag` in a local and pass `&dag`
-/// (`let dag = Dag::new(); regen_lens_main(&dag)` in the `regen_lens` bin), not `&Dag::new()`.
-pub fn regen_lens_main(dag: &Dag) -> ProcessExit {
-    match run(dag) {
-        Ok(()) => ProcessExit::ExitSuccess,
-        Err(message) => ProcessExit::ExitFailure {
-            code: 1,
-            reason: message,
-        },
-    }
-}
-
-fn run(dag: &Dag) -> Result<(), String> {
-    let requested_name = parse_args()?;
-
-    if !dag.diagnostics().is_empty() {
-        return Err(format!(
-            "bootstrap Dag carries {} diagnostic(s): {:#?}",
-            dag.diagnostics().len(),
-            dag.diagnostics()
-        ));
-    }
-
-    let entries = read_registry(dag)?;
-    if entries.is_empty() {
-        return Err("lens registry is empty; check `src/v3/compiler/regen.dag`".to_string());
-    }
-
-    let root = workspace_root();
-    let mut processed = 0usize;
-    for entry in &entries {
-        if let Some(requested) = &requested_name {
-            if entry.name != *requested {
-                continue;
-            }
-        }
-        regen_entry(&root, entry)?;
-        processed += 1;
-    }
-
-    if processed == 0 {
-        let known: Vec<&str> = entries.iter().map(|e| e.name.as_str()).collect();
-        return Err(format!(
-            "no lens entry matches `--lens {}`; known: {}",
-            requested_name.unwrap_or_default(),
-            known.join(", ")
-        ));
-    }
-    Ok(())
-}
-
-fn parse_args() -> Result<Option<String>, String> {
-    let mut requested: Option<String> = None;
-    let mut args = env::args().skip(1);
-    while let Some(arg) = args.next() {
-        match arg.as_str() {
-            "--lens" => {
-                requested = Some(
-                    args.next()
-                        .ok_or_else(|| "--lens requires a name".to_string())?,
-                );
-            }
-            other => return Err(format!("unknown argument `{other}`")),
-        }
-    }
-    Ok(requested)
-}
-
-fn workspace_root() -> PathBuf {
-    // src/v3/compiler/Cargo.toml lives 3 levels below the workspace
-    // root; the registry entries record paths relative to that root.
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("..")
-        .join("..")
-}
-
-fn read_registry(dag: &Dag) -> Result<Vec<Entry>, String> {
-    let entry_type_id = dag
-        .declaration_by_name(LENS_REGISTRY_ENTRY_TYPE)
-        .map(|decl| decl.id)
-        .ok_or_else(|| format!("missing `{LENS_REGISTRY_ENTRY_TYPE}` in bootstrap Dag"))?;
-
-    let mut entries: Vec<Entry> = Vec::new();
-    // Dedup maps: record the FIRST binding that introduced each key,
-    // so a duplicate error names both the existing owner and the
-    // colliding binding. `--lens <name>` is a singleton key and
-    // `generated_file` is the output an entry writes to; either
-    // collision would make the registry ambiguous or let two
-    // entries race to clobber the same file.
-    let mut seen_name: HashMap<String, String> = HashMap::new();
-    let mut seen_generated_file: HashMap<String, String> = HashMap::new();
-
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(entry_type_id) {
-            continue;
-        }
-        let binding_name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            return Err(format!(
-                "lens registry entry `{binding_name}` must carry a structural value body"
-            ));
-        };
-        let entry = Entry {
-            name: require_string(fields, "name", binding_name)?,
-            lens_file: require_string(fields, "lens_file", binding_name)?,
-            generated_file: require_string(fields, "generated_file", binding_name)?,
-        };
-
-        if let Some(prior_binding) = seen_name.get(&entry.name) {
-            return Err(format!(
-                "lens registry has duplicate `name` field `{name}`: first declared by `{prior_binding}`, re-declared by `{binding_name}`",
-                name = entry.name,
-            ));
-        }
-        if let Some(prior_binding) = seen_generated_file.get(&entry.generated_file) {
-            return Err(format!(
-                "lens registry has duplicate `generated_file` path `{path}`: first declared by `{prior_binding}`, re-declared by `{binding_name}`",
-                path = entry.generated_file,
-            ));
-        }
-        seen_name.insert(entry.name.clone(), binding_name.to_string());
-        seen_generated_file.insert(entry.generated_file.clone(), binding_name.to_string());
-        entries.push(entry);
-    }
-    Ok(entries)
-}
-
-fn require_string(
-    fields: &[(String, FieldValue)],
-    label: &str,
-    binding_name: &str,
-) -> Result<String, String> {
-    fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .ok_or_else(|| {
-            format!("lens registry entry `{binding_name}` is missing String field `{label}`")
-        })
-}
-
-fn regen_entry(root: &Path, entry: &Entry) -> Result<(), String> {
-    // Single-authority gate: the registry's `generated_file` path
-    // must also be registered in `REGEN_OUTPUTS` (surfaced as
-    // `v3_compiler::generated_files::GENERATED_FILES`). SG-0 treats
-    // that manifest as the sole producer-owned partition; if
-    // `regen.dag` and `REGEN_OUTPUTS` drift, the driver would
-    // silently write to a path the SG-0 census doesn't know about.
-    // Fail closed here rather than rely on the downstream census to
-    // notice — the error points the reviewer at the two authorities
-    // that must stay in lockstep.
-    if !GENERATED_FILES.iter().any(|p| *p == entry.generated_file) {
-        return Err(format!(
-            "registry / manifest drift: `regen.dag` declares \
-             `generated_file = \"{path}\"` (lens `{lens}`) but the \
-             path is not registered in `REGEN_OUTPUTS` in \
-             `src/v3/compiler/build.rs`. Add the path to `REGEN_OUTPUTS` \
-             (or remove it from `regen.dag`) so the two authorities stay \
-             in lockstep. Both are SG-0's producer-owned manifest; \
-             writing to a path outside the manifest would be silent \
-             drift.",
-            path = entry.generated_file,
-            lens = entry.name,
-        ));
-    }
-
-    let lens_path = root.join(&entry.lens_file);
-    let out_path = root.join(&entry.generated_file);
-
-    let source = std::fs::read_to_string(&lens_path)
-        .map_err(|e| format!("read {}: {e}", lens_path.display()))?;
-    let dag = compile_to_dag(&source, &entry.lens_file).map_err(|e| match e {
-        CompileError::Semantic(dag) => format!(
-            "compile {}: {}",
-            entry.lens_file,
-            dag.diagnostics()
-                .iter()
-                .map(|d| format!("{d:?}"))
-                .collect::<Vec<_>>()
-                .join("; ")
-        ),
-        other => format!("compile {}: {other:?}", entry.lens_file),
-    })?;
-    let raw = emit_rust_module(&dag).map_err(|e| format!("emit {}: {e:?}", entry.lens_file))?;
-    let header = format!(
-        "// AUTO-GENERATED from `{}` via\n\
-         // `emit_rust_module`. Regenerate instead of hand-editing.\n\n",
-        entry.lens_file
-    );
-    let combined = format!("{header}{raw}");
-    let formatted = rustfmt_stdin(&combined)?;
-    std::fs::write(&out_path, &formatted)
-        .map_err(|e| format!("write {}: {e}", out_path.display()))?;
-    println!("wrote {}", out_path.display());
-    Ok(())
-}
-
-fn rustfmt_stdin(source: &str) -> Result<String, String> {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .map_err(|e| format!("spawn rustfmt: {e}"))?;
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .map_err(|e| format!("write rustfmt stdin: {e}"))?;
-    let output = child
-        .wait_with_output()
-        .map_err(|e| format!("wait rustfmt: {e}"))?;
-    if !output.status.success() {
-        return Err(format!(
-            "rustfmt failed: {}",
-            String::from_utf8_lossy(&output.stderr)
-        ));
-    }
-    String::from_utf8(output.stdout).map_err(|e| format!("rustfmt output not utf8: {e}"))
-}
diff --git a/src/v3/compiler/src/regen_lens_entry.rs b/src/v3/compiler/src/regen_lens_entry.rs
deleted file mode 100644
index a3a08c63b9d..00000000000
--- a/src/v3/compiler/src/regen_lens_entry.rs
+++ /dev/null
@@ -1,23 +0,0 @@
-//! Thin Cargo `[[bin]]` entry for `regen_lens`.
-//!
-//! **R3 gate #7 (`regen_lens_dot_rs_retired`):** keeps the `regen_lens` binary
-//! name and CLI surface stable while retiring the legacy
-//! `src/bin/regen_lens.rs` path from the SG-0 hand-authored census.
-
-use std::io::Write;
-use std::process::ExitCode;
-
-use v3_compiler::dag::Dag;
-use v3_compiler::process_exit::ProcessExit;
-use v3_compiler::regen_lens_driver::regen_lens_main;
-
-fn main() -> ExitCode {
-    let dag = Dag::new();
-    match regen_lens_main(&dag) {
-        ProcessExit::ExitSuccess => ExitCode::SUCCESS,
-        ProcessExit::ExitFailure { code, reason } => {
-            let _ = writeln!(std::io::stderr(), "{reason}");
-            ExitCode::from(code.clamp(1, 255) as u8)
-        }
-    }
-}
diff --git a/src/v3/compiler/src/regen_parse_emit.rs b/src/v3/compiler/src/regen_parse_emit.rs
deleted file mode 100644
index b519f589bce..00000000000
--- a/src/v3/compiler/src/regen_parse_emit.rs
+++ /dev/null
@@ -1,124 +0,0 @@
-//! Shared `regen_parse` emission: compile `src/v3/std/parse_surface.dag`, emit
-//! `parse_generated.rs` body, run `rustfmt --emit stdout`. Used by the
-//! `regen_parse` binary (writes the file) and by hermetic integration tests
-//! (compare in-memory only).
-
-use std::fmt;
-use std::io::Write;
-use std::process::{Command, Stdio};
-
-use crate::compile_parse_surface_std_authority_dag;
-use crate::CompileError;
-
-const HEADER: &str = "// AUTO-GENERATED from `src/v3/std/parse_surface.dag` (Surface carriers)\n\
-     // via `regen_parse` + `parse_parser_body.txt`. Regenerate instead of hand-editing.\n\n";
-
-/// Failure compiling the authority DAG or running `rustfmt` on the combined module text.
-#[derive(Debug)]
-pub enum RenderParseGeneratedError {
-    Compile(Box<CompileError>),
-    Rustfmt(String),
-}
-
-impl fmt::Display for RenderParseGeneratedError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Self::Rustfmt(msg) => write!(f, "{msg}"),
-            Self::Compile(e) => match e.as_ref() {
-                CompileError::Semantic(d) => {
-                    writeln!(f, "compile failed:")?;
-                    for (_, diag) in d.diagnostics().iter() {
-                        writeln!(f, "  {diag:?}")?;
-                    }
-                    Ok(())
-                }
-                other => write!(f, "{other:?}"),
-            },
-        }
-    }
-}
-
-/// Compile [`parse_surface_source`] with [`compile_parse_surface_std_authority_dag`], splice
-/// [`parser_body`], format with `rustfmt --emit stdout`. Does not read or write workspace paths.
-pub fn render_parse_generated_rs(
-    parse_surface_source: &str,
-    parse_surface_file: &str,
-    parser_body: &str,
-) -> Result<String, RenderParseGeneratedError> {
-    let _dag = compile_parse_surface_std_authority_dag(parse_surface_source, parse_surface_file)
-        .map_err(|e| RenderParseGeneratedError::Compile(Box::new(e)))?;
-    let rust = emit_parse_module(parser_body);
-    let combined = format!("{HEADER}{rust}");
-    rustfmt_stdout(&combined).map_err(RenderParseGeneratedError::Rustfmt)
-}
-
-fn rustfmt_stdout(combined: &str) -> Result<String, String> {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .map_err(|e| format!("spawn rustfmt: {e}"))?;
-    child
-        .stdin
-        .as_mut()
-        .unwrap()
-        .write_all(combined.as_bytes())
-        .map_err(|e| format!("write rustfmt stdin: {e}"))?;
-    let output = child
-        .wait_with_output()
-        .map_err(|e| format!("wait rustfmt: {e}"))?;
-    if !output.status.success() {
-        return Err(format!(
-            "rustfmt failed: {}",
-            String::from_utf8_lossy(&output.stderr)
-        ));
-    }
-    String::from_utf8(output.stdout).map_err(|e| format!("rustfmt stdout utf-8: {e}"))
-}
-
-fn emit_parse_module(parser_body: &str) -> String {
-    let mut out = String::new();
-    out.push_str("use crate::diagnostics::{Diagnostic, SourceSpan};\n");
-    out.push_str(
-        "pub use crate::parse_surface::{SurfaceExpr, SurfaceField, SurfaceItem, SurfaceLiteral, \
-         SurfaceMapEntry, SurfaceMatchArm, SurfaceModule, SurfaceParam, SurfacePattern, \
-         SurfacePatternField, SurfaceRecordField, SurfaceType, SurfaceVariant, TypeAngleArg, \
-         VariantPayload};\n",
-    );
-    out.push_str(
-        "use crate::parse_tables::{binary_op_at_level, bracket_role, is_type_rhs_boundary_keyword, \
-         primary_atom_class, primary_prefix_dispatch, soft_keyword_ident_spelling, \
-         top_level_item_dispatch, \
-         BinaryOpLevel, BracketRole, ItemDispatchKind, PrimaryAtomClass, PrimaryPrefixDispatch};\n",
-    );
-    out.push_str("use crate::tokenize::{Token, TokenKind};\n");
-    out.push_str("use crate::operators::{LogicalOp, OperatorKind};\n");
-    out.push_str("use std::collections::HashSet;\n\n");
-    out.push_str(
-        r#"impl SurfaceType {
-    pub fn span(&self) -> &SourceSpan {
-        match self {
-            SurfaceType::Named { span, .. }
-            | SurfaceType::Parameterized { span, .. }
-            | SurfaceType::Optional { span, .. }
-            | SurfaceType::Arrow { span, .. } => span,
-        }
-    }
-}
-
-impl TypeAngleArg {
-    pub fn span(&self) -> &SourceSpan {
-        match self {
-            TypeAngleArg::TypeExpr { ty } => ty.span(),
-            TypeAngleArg::WidthNatLiteral { span, .. } => span,
-        }
-    }
-}
-
-"#,
-    );
-    out.push_str(parser_body);
-    out
-}
diff --git a/src/v3/compiler/src/regen_parse_tables_emit.rs b/src/v3/compiler/src/regen_parse_tables_emit.rs
deleted file mode 100644
index b820999e9ed..00000000000
--- a/src/v3/compiler/src/regen_parse_tables_emit.rs
+++ /dev/null
@@ -1,1285 +0,0 @@
-//! Shared `regen_parse_tables` emission: compile `parse_tables.dag` +
-//! `tokenize.dag`, cross-validate rows, project into `parse_tables_generated.rs`,
-//! run `rustfmt --emit stdout`.
-//!
-//! **Tables projected.** **SG-2c-1:** `BinaryOpRow` → `binary_op_at_level` (plus
-//! shared-syntax checks below). **SG-2c-2:** `TopLevelItemKwRow.token_variant`
-//! rows → Rust `ItemDispatchKind` + `top_level_item_dispatch` (dispatch labels
-//! derived via `Kw`-strip; validated against `tokenize.dag`'s `TokenKind`).
-//! **SG-2c-3:** existing `TopLevelItemKwRow.token_variant` rows also project
-//! `is_type_rhs_boundary_keyword` for the parser's shared top-level item
-//! boundary set. **SG-2c-5:** `SoftKeywordIdentRow` → `soft_keyword_ident_spelling`.
-//! **SG-2c-6 / SG-2c-7 (parse_primary cluster):** `PrimaryPrefixRow` →
-//! `primary_prefix_dispatch`; `PrimaryAtomRow` → `primary_atom_class` for the
-//! post-prefix atomic token set in the same `parse_primary` function.
-//!
-//! Used by the `regen_parse_tables` binary (writes the file) and by the
-//! hermetic integration snapshot test (compare in-memory only — avoids a
-//! `cargo run` subprocess that blows the 2s per-test ratchet on cold CI).
-//!
-//! **Cross-validation against v3 projection of shared authority.**
-//! `dag_operators` in `syntax.dag` owns external .dag syntax reality, including
-//! operators v3 does not yet parse end-to-end. `v3_supported_dag_operators` is
-//! the explicit current v3 capability projection as a symbol subset. Each
-//! `BinaryOpRow` in `parse_tables.dag` is checked against that projection: the
-//! row's `operator_symbol` must appear in `v3_supported_dag_operators`, while
-//! binding power and binop facts are read from the corresponding
-//! `dag_operators` row (the coarse parser precedence level covers a contiguous
-//! bp range — see `level_for_bp`). If the v3 projection shifts, regen fails
-//! closed here without forcing v3 to support every externally modeled operator.
-//!
-//! **SG-1a scaffold extension.** `syntax.dag`'s operator-list bodies still
-//! lower as `ValueBody::Unparsed` (same scaffold `regen_tokenize` extends), so
-//! this bridge reads the raw source text. When the shared authority lowers
-//! structurally, the raw-text extractor folds into a typed read — same
-//! dissolution trigger as `regen_tokenize`.
-
-use std::collections::BTreeSet;
-use std::fmt;
-use std::io::Write;
-use std::process::{Command, Stdio};
-
-use crate::compile_to_dag;
-use crate::dag::{
-    ArithmeticOp, ComparisonOp, Dag, Field, FieldValue, LiteralBits, LogicalOp, OperatorKind,
-    TypeConnective, ValueBody,
-};
-use crate::operators;
-use crate::CompileError;
-
-const HEADER: &str = "// AUTO-GENERATED from `src/v3/compiler/parse_tables.dag` via\n\
-     // `regen_parse_tables`. Regenerate instead of hand-editing.\n\n";
-
-/// Failure compiling either authority DAG or running `rustfmt` on the combined module text.
-#[derive(Debug)]
-pub enum RenderParseTablesGeneratedError {
-    Compile(Box<CompileError>),
-    Rustfmt(String),
-}
-
-impl fmt::Display for RenderParseTablesGeneratedError {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            Self::Rustfmt(msg) => write!(f, "{msg}"),
-            Self::Compile(e) => match e.as_ref() {
-                CompileError::Semantic(d) => {
-                    writeln!(f, "compile failed:")?;
-                    for (_, diag) in d.diagnostics().iter() {
-                        writeln!(f, "  {diag:?}")?;
-                    }
-                    Ok(())
-                }
-                other => write!(f, "{other:?}"),
-            },
-        }
-    }
-}
-
-/// Compile `parse_tables.dag` and `tokenize.dag`, cross-validate rows, emit
-/// `parse_tables_generated.rs`, format with `rustfmt --emit stdout`.
-///
-/// Validation: `BinaryOpRow` vs `tokenize.dag` + `operators.dag` + shared-syntax
-/// `v3_supported_dag_operators`; `TopLevelItemKwRow` vs `tokenize.dag` + `Kw`-strip dispatch
-/// labels (SG-2c-2/SG-2c-3); `SoftKeywordIdentRow` vs `tokenize.dag` + shared keyword set
-/// (SG-2c-5); `PrimaryPrefixRow` / `PrimaryAtomRow` vs `tokenize.dag` + regen
-/// dispatch labels (SG-2c-6/SG-2c-7).
-/// Does not read or write workspace paths.
-pub fn render_parse_tables_generated_rs(
-    parse_tables_source: &str,
-    parse_tables_file: &str,
-    tokenize_source: &str,
-    tokenize_file: &str,
-    shared_syntax_source: &str,
-) -> Result<String, RenderParseTablesGeneratedError> {
-    let tables_dag = compile_authority(parse_tables_source, parse_tables_file)?;
-    let tokenize_dag = compile_authority(tokenize_source, tokenize_file)?;
-    let shared_operators = extract_v3_supported_operator_bps(shared_syntax_source);
-    let shared_keywords = extract_shared_keyword_set(shared_syntax_source);
-
-    let token_variants = collect_variant_labels(&tokenize_dag, "TokenKind");
-    let keyword_token_variants = collect_variant_labels(&tokenize_dag, "KeywordTokenKind");
-    let levels = collect_variant_labels(&tables_dag, "BinaryOpLevel");
-    let rows = collect_binary_op_rows(&tables_dag, &token_variants, &levels, &shared_operators);
-
-    // SG-2c-2: Rust `ItemDispatchKind` variants are **only** the unique `Kw`-stripped
-    // labels from `TopLevelItemKwRow` rows below — never
-    // `collect_variant_labels(dag, "ItemDispatchKind")`; `parse_tables.dag` does not
-    // author that coproduct (M7 single authority on `token_variant` rows).
-    let item_kw_rows = collect_top_level_item_kw_rows(&tables_dag, &token_variants);
-    let mut item_dispatch_variants: Vec<String> =
-        item_kw_rows.iter().map(|r| r.dispatch.clone()).collect();
-    item_dispatch_variants.sort_unstable();
-    item_dispatch_variants.dedup();
-    let soft_keyword_ident_rows = collect_soft_keyword_ident_rows(
-        &tables_dag,
-        &token_variants,
-        &keyword_token_variants,
-        &shared_keywords,
-    );
-
-    // SG-2c-4: bracket opener/closer role table. `BracketRole` is
-    // projection-only (same shape as `ItemDispatchKind`): authored rows
-    // only carry `token_variant`; role is derived from the `L`/`R`
-    // prefix at regen time.
-    let bracket_rows = collect_bracket_rows(&tables_dag, &token_variants);
-    let primary_prefix_rows = collect_primary_prefix_rows(&tables_dag, &token_variants);
-    let mut primary_prefix_variants: Vec<String> = primary_prefix_rows
-        .iter()
-        .map(|r| r.dispatch.clone())
-        .collect();
-    primary_prefix_variants.sort_unstable();
-    primary_prefix_variants.dedup();
-    let primary_atom_rows = collect_primary_atom_rows(&tables_dag, &token_variants);
-    let mut primary_atom_variants: Vec<String> = primary_atom_rows
-        .iter()
-        .map(|r| r.dispatch.clone())
-        .collect();
-    primary_atom_variants.sort_unstable();
-    primary_atom_variants.dedup();
-    let module = EmitParseTablesModule {
-        levels: &levels,
-        binary_op_rows: &rows,
-        item_dispatch_variants: &item_dispatch_variants,
-        item_kw_rows: &item_kw_rows,
-        soft_keyword_ident_rows: &soft_keyword_ident_rows,
-        bracket_rows: &bracket_rows,
-        primary_prefix_variants: &primary_prefix_variants,
-        primary_prefix_rows: &primary_prefix_rows,
-        primary_atom_variants: &primary_atom_variants,
-        primary_atom_rows: &primary_atom_rows,
-    };
-    let rust = emit_module(&module);
-    let combined = format!("{HEADER}{rust}");
-    rustfmt_stdout(&combined).map_err(RenderParseTablesGeneratedError::Rustfmt)
-}
-
-/// Coarse parser precedence level implied by a shared-authority
-/// `left_bp`. The five levels in `BinaryOpLevel` each correspond to one
-/// per-precedence-level parser function in `parse_parser_body.txt`,
-/// which accepts a contiguous bp band:
-/// - `Or` ← bp 5/6 (`||`)
-/// - `And` ← bp 7/8 (`&&`)
-/// - `Comparison` ← bp 9/10 or 11/12 (`== != < <= > >=`)
-/// - `Additive` ← bp 13/14 (`+ -`)
-/// - `Multiplicative` ← bp 15/16 (`* /`)
-///
-/// If the shared authority introduces an operator at a bp outside these
-/// bands, regen fails closed (`BinaryOpLevel` does not yet cover it).
-fn level_for_bp(left_bp: i64) -> Option<&'static str> {
-    match left_bp {
-        5 => Some("Or"),
-        7 => Some("And"),
-        9 | 11 => Some("Comparison"),
-        13 => Some("Additive"),
-        15 => Some("Multiplicative"),
-        _ => None,
-    }
-}
-
-fn compile_authority(source: &str, file: &str) -> Result<Dag, RenderParseTablesGeneratedError> {
-    compile_to_dag(source, file).map_err(|e| RenderParseTablesGeneratedError::Compile(Box::new(e)))
-}
-
-fn collect_variant_labels(dag: &Dag, type_name: &str) -> Vec<String> {
-    let decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some(type_name))
-        .unwrap_or_else(|| panic!("missing `{type_name}` declaration"));
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!("`{type_name}`: expected Disj");
-    };
-    variants.iter().map(|v| v.label.clone()).collect()
-}
-
-struct BinaryOpRow {
-    token_variant: String,
-    operator_symbol: String,
-    level: String,
-}
-
-/// Scratch shape for SG-2c-2 emission: `dispatch` is derived from `token_variant`
-/// (`Kw`-strip rule); it is never read from the `.dag` row body (substrate carries
-/// only `token_variant`).
-struct TopLevelItemKwRow {
-    token_variant: String,
-    dispatch: String,
-}
-
-struct SoftKeywordIdentRow {
-    token_variant: String,
-    spelling: String,
-}
-
-fn collect_binary_op_rows(
-    dag: &Dag,
-    token_variants: &[String],
-    levels: &[String],
-    shared_operators: &std::collections::BTreeMap<String, SharedOperatorSpec>,
-) -> Vec<BinaryOpRow> {
-    let token_variant_set: BTreeSet<&str> = token_variants.iter().map(String::as_str).collect();
-    let level_set: BTreeSet<&str> = levels.iter().map(String::as_str).collect();
-
-    let level_type_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("BinaryOpLevel"))
-        .map(|d| d.id)
-        .expect("BinaryOpLevel declaration");
-    let TypeConnective::Disj {
-        variants: level_variants,
-    } = &dag.declaration(level_type_id).connective
-    else {
-        panic!("BinaryOpLevel should be a Disj");
-    };
-
-    // Discover rows by typed fact (`decl.meta_tag == BinaryOpRow`),
-    // not by `name.starts_with("binary_op_")`. Mirrors the registry
-    // pattern `regen_lens` uses against `LensRegistryEntry`; avoids
-    // baking a name-prefix calling convention into the consumer,
-    // which would let a mistyped row escape (a `BinaryOpRow` bound
-    // to a name that happens not to start with `binary_op_`) or a
-    // correctly-prefixed row of the wrong type sneak in.
-    let binary_op_row_type_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("BinaryOpRow"))
-        .map(|d| d.id)
-        .expect("BinaryOpRow declaration");
-
-    let mut rows: Vec<BinaryOpRow> = Vec::new();
-    let mut seen_token_variants: BTreeSet<String> = BTreeSet::new();
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(binary_op_row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!("`parse_tables.dag::{name}`: `BinaryOpRow` binding must carry a structural value body");
-        };
-        let token_variant = string_field(fields, "token_variant", name);
-        let operator_symbol = string_field(fields, "operator_symbol", name);
-        let level = variant_field(fields, "level", level_variants, name, "BinaryOpLevel");
-
-        assert!(
-            token_variant_set.contains(token_variant.as_str()),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-        assert!(
-            level_set.contains(level.as_str()),
-            "`parse_tables.dag::{name}`: level `{level}` is not a `BinaryOpLevel` variant"
-        );
-        let operator_kind = operators::from_symbol(&operator_symbol).unwrap_or_else(|| {
-            panic!(
-                "`parse_tables.dag::{name}`: operator_symbol `{operator_symbol}` has no \
-                     `OperatorKind` mapping in `operators.dag::from_symbol`"
-            )
-        });
-        // Structural cross-validation against the v3-supported
-        // projection in `dsl/extdeps/languages/dag/syntax.dag`. Three
-        // joins, closing three drift surfaces:
-        //  (1) symbol ∈ `v3_supported_dag_operators` — operator is in
-        //      the current v3 tokenizer/parser/operator capability
-        //      subset; capability drift fails regen here without
-        //      shrinking external `dag_operators`.
-        //  (2) projected `left_bp` implies the declared `level` via
-        //      `level_for_bp` — precedence drift fails closed.
-        //  (3) `operators.dag::from_symbol(symbol)` returns an
-        //      `OperatorKind` whose leaf variant matches the projected
-        //      `binop` name — `symbol → OperatorKind` drift between
-        //      `operators.dag` and `v3_supported_dag_operators` fails closed.
-        // Together, these turn `parse_tables.dag` into a structural
-        // projection of the v3 capability subset rather than a parallel
-        // restatement of it.
-        let shared = shared_operators.get(&operator_symbol).unwrap_or_else(|| {
-            panic!(
-                "`parse_tables.dag::{name}`: operator_symbol `{operator_symbol}` is not declared \
-                 in `v3_supported_dag_operators` at `dsl/extdeps/languages/dag/syntax.dag`. Every \
-                 v3 binary-operator row must be grounded in the v3 capability projection so drift \
-                 fails closed without shrinking external `dag_operators`."
-            )
-        });
-        let expected_level = level_for_bp(shared.left_bp).unwrap_or_else(|| {
-            panic!(
-                "`parse_tables.dag::{name}`: shared-syntax `{operator_symbol}` has `left_bp = {}`, \
-                 which falls outside any `BinaryOpLevel` bp band. Either the shared authority moved \
-                 the operator's precedence or a new band is needed in `level_for_bp` + `BinaryOpLevel`.",
-                shared.left_bp
-            )
-        });
-        assert!(
-            expected_level == level,
-            "`parse_tables.dag::{name}`: declared level `{level}` disagrees with shared-syntax \
-             authority. `v3_supported_dag_operators` assigns `{operator_symbol}` `left_bp = {}` which \
-             implies level `{expected_level}`. Either update the row to match or reclassify \
-             `left_bp = {}` in `level_for_bp`.",
-            shared.left_bp,
-            shared.left_bp
-        );
-        let actual_binop = operator_kind_binop_name(operator_kind);
-        assert!(
-            actual_binop == shared.binop_name,
-            "`parse_tables.dag::{name}`: `operators.dag::from_symbol(\"{operator_symbol}\")` returns \
-             `OperatorKind` leaf `{actual_binop}`, but `v3_supported_dag_operators` in \
-             `dsl/extdeps/languages/dag/syntax.dag` records `binop: {}` for the same symbol. One of \
-             the two authorities drifted — fix both to agree before shipping.",
-            shared.binop_name
-        );
-        assert!(
-            seen_token_variants.insert(token_variant.clone()),
-            "`parse_tables.dag`: duplicate row for `TokenKind::{token_variant}`"
-        );
-
-        rows.push(BinaryOpRow {
-            token_variant,
-            operator_symbol,
-            level,
-        });
-    }
-    rows.sort_by(|a, b| a.token_variant.cmp(&b.token_variant));
-    rows
-}
-
-fn collect_top_level_item_kw_rows(dag: &Dag, token_variants: &[String]) -> Vec<TopLevelItemKwRow> {
-    let token_variant_set: BTreeSet<&str> = token_variants.iter().map(String::as_str).collect();
-
-    let row_type_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("TopLevelItemKwRow"))
-        .map(|d| d.id)
-        .expect("TopLevelItemKwRow declaration");
-
-    let mut rows: Vec<TopLevelItemKwRow> = Vec::new();
-    let mut seen_token_variants: BTreeSet<String> = BTreeSet::new();
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!(
-                "`parse_tables.dag::{name}`: `TopLevelItemKwRow` binding must carry a structural value body"
-            );
-        };
-        let token_variant = string_field(fields, "token_variant", name);
-
-        assert!(
-            token_variant_set.contains(token_variant.as_str()),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-
-        let dispatch = item_dispatch_label_from_kw_token_variant(&token_variant, name);
-
-        assert!(
-            seen_token_variants.insert(token_variant.clone()),
-            "`parse_tables.dag`: duplicate top-level item row for `TokenKind::{token_variant}`"
-        );
-
-        rows.push(TopLevelItemKwRow {
-            token_variant,
-            dispatch,
-        });
-    }
-    rows.sort_by(|a, b| a.token_variant.cmp(&b.token_variant));
-    rows
-}
-
-struct BracketRow {
-    token_variant: String,
-    role: String,
-}
-
-/// Scratch shape for SG-2c-6 emission: `dispatch` is derived from `token_variant`
-/// at regen time — not read from the `.dag` row body.
-struct PrimaryPrefixRow {
-    token_variant: String,
-    dispatch: String,
-}
-
-struct PrimaryAtomRow {
-    token_variant: String,
-    dispatch: String,
-}
-
-/// `BracketRow.token_variant` is the sole authored field; role is derived
-/// from the `L`/`R` prefix (same one-authority shape as `TopLevelItemKwRow` →
-/// `ItemDispatchKind`, where dispatch is `strip_prefix("Kw")`). No separate
-/// `role` field is read from `.dag` and no substrate `BracketRole` coproduct
-/// is authored — the emitted Rust enum is projection-only.
-fn collect_bracket_rows(dag: &Dag, token_variants: &[String]) -> Vec<BracketRow> {
-    let token_variant_set: BTreeSet<&str> = token_variants.iter().map(String::as_str).collect();
-
-    let row_type_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("BracketRow"))
-        .map(|d| d.id)
-        .expect("BracketRow declaration");
-
-    let mut rows: Vec<BracketRow> = Vec::new();
-    let mut seen_token_variants: BTreeSet<String> = BTreeSet::new();
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!(
-                "`parse_tables.dag::{name}`: `BracketRow` binding must carry a structural value body"
-            );
-        };
-        let token_variant = string_field(fields, "token_variant", name);
-
-        assert!(
-            token_variant_set.contains(token_variant.as_str()),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-        let role = bracket_role_from_token_variant(&token_variant, name);
-        assert!(
-            seen_token_variants.insert(token_variant.clone()),
-            "`parse_tables.dag`: duplicate bracket row for `TokenKind::{token_variant}`"
-        );
-
-        rows.push(BracketRow {
-            token_variant,
-            role: role.to_string(),
-        });
-    }
-    rows.sort_by(|a, b| a.token_variant.cmp(&b.token_variant));
-    rows
-}
-
-/// Collect `PrimaryAtomRow` facts for SG-2c-7; `PrimaryAtomClass` labels are
-/// derived at regen (see `primary_atom_class_label_from_token_variant`).
-fn collect_primary_atom_rows(dag: &Dag, token_variants: &[String]) -> Vec<PrimaryAtomRow> {
-    let token_variant_set: BTreeSet<&str> = token_variants.iter().map(String::as_str).collect();
-
-    let row_type_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("PrimaryAtomRow"))
-        .map(|d| d.id)
-        .expect("PrimaryAtomRow declaration");
-
-    let mut rows: Vec<PrimaryAtomRow> = Vec::new();
-    let mut seen_token_variants: BTreeSet<String> = BTreeSet::new();
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!(
-                "`parse_tables.dag::{name}`: `PrimaryAtomRow` binding must carry a structural value body"
-            );
-        };
-        let token_variant = string_field(fields, "token_variant", name);
-
-        assert!(
-            token_variant_set.contains(token_variant.as_str()),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-
-        let dispatch = primary_atom_class_label_from_token_variant(&token_variant, name);
-
-        assert!(
-            seen_token_variants.insert(token_variant.clone()),
-            "`parse_tables.dag`: duplicate primary-atom row for `TokenKind::{token_variant}`"
-        );
-
-        rows.push(PrimaryAtomRow {
-            token_variant,
-            dispatch,
-        });
-    }
-    rows.sort_by(|a, b| a.token_variant.cmp(&b.token_variant));
-    rows
-}
-
-/// `PrimaryAtomRow.token_variant` is the sole authored key; the Rust
-/// `PrimaryAtomClass` label is a closed allowlist at regen — not a second
-/// field in `parse_tables.dag`.
-fn primary_atom_class_label_from_token_variant(token_variant: &str, decl_name: &str) -> String {
-    let label = match token_variant {
-        "IntLit" => "IntLiteral",
-        "KwTrue" => "True",
-        "KwFalse" => "False",
-        "StringLit" => "String",
-        "Pipe" => "Pipe",
-        "Ident" => "Ident",
-        other => panic!(
-            "`parse_tables.dag::{decl_name}`: token_variant `{other}` is not in the SG-2c-7 \
-             primary-atom allowlist (IntLit, KwTrue, KwFalse, StringLit, Pipe, Ident)"
-        ),
-    };
-    assert_dispatch_label_is_rust_identifier(label, decl_name);
-    label.to_string()
-}
-
-/// Rust `match` pattern on `&TokenKind` for payload-carrying variants; nullary
-/// `TokenKind` use the identifier alone.
-fn token_kind_pattern_ref(token_variant: &str) -> String {
-    match token_variant {
-        "Ident" => "Ident(_)".to_string(),
-        "IntLit" => "IntLit(_)".to_string(),
-        "StringLit" => "StringLit(_)".to_string(),
-        other => other.to_string(),
-    }
-}
-
-/// `SoftKeywordIdentRow.token_variant` is authoritative; spelling is the
-/// lowercased `Kw` suffix, not a second authored string field.
-fn collect_soft_keyword_ident_rows(
-    dag: &Dag,
-    token_variants: &[String],
-    keyword_token_variants: &[String],
-    shared_keywords: &BTreeSet<String>,
-) -> Vec<SoftKeywordIdentRow> {
-    let token_variant_set: BTreeSet<&str> = token_variants.iter().map(String::as_str).collect();
-    let keyword_token_variant_set: BTreeSet<&str> =
-        keyword_token_variants.iter().map(String::as_str).collect();
-
-    let row_type_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("SoftKeywordIdentRow"))
-        .map(|d| d.id)
-        .expect("SoftKeywordIdentRow declaration");
-
-    let mut rows: Vec<SoftKeywordIdentRow> = Vec::new();
-    let mut seen_token_variants: BTreeSet<String> = BTreeSet::new();
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!(
-                "`parse_tables.dag::{name}`: `SoftKeywordIdentRow` binding must carry a structural value body"
-            );
-        };
-        let token_variant = string_field(fields, "token_variant", name);
-        assert!(
-            token_variant_set.contains(token_variant.as_str()),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-        assert!(
-            keyword_token_variant_set.contains(token_variant.as_str()),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `KeywordTokenKind` variant in `tokenize.dag`"
-        );
-        let spelling =
-            soft_keyword_ident_spelling_from_token_variant(&token_variant, name, shared_keywords);
-        assert!(
-            seen_token_variants.insert(token_variant.clone()),
-            "`parse_tables.dag`: duplicate soft-keyword-ident row for `TokenKind::{token_variant}`"
-        );
-        rows.push(SoftKeywordIdentRow {
-            token_variant,
-            spelling,
-        });
-    }
-    rows.sort_by(|a, b| a.token_variant.cmp(&b.token_variant));
-    rows
-}
-
-/// Collect `PrimaryPrefixRow` facts for SG-2c-6; dispatch labels are derived
-/// at regen (see `primary_prefix_dispatch_label_from_token_variant`).
-fn collect_primary_prefix_rows(dag: &Dag, token_variants: &[String]) -> Vec<PrimaryPrefixRow> {
-    let token_variant_set: BTreeSet<&str> = token_variants.iter().map(String::as_str).collect();
-
-    let row_type_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("PrimaryPrefixRow"))
-        .map(|d| d.id)
-        .expect("PrimaryPrefixRow declaration");
-
-    let mut rows: Vec<PrimaryPrefixRow> = Vec::new();
-    let mut seen_token_variants: BTreeSet<String> = BTreeSet::new();
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!(
-                "`parse_tables.dag::{name}`: `PrimaryPrefixRow` binding must carry a structural value body"
-            );
-        };
-        let token_variant = string_field(fields, "token_variant", name);
-
-        assert!(
-            token_variant_set.contains(token_variant.as_str()),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-
-        let dispatch = primary_prefix_dispatch_label_from_token_variant(&token_variant, name);
-
-        assert!(
-            seen_token_variants.insert(token_variant.clone()),
-            "`parse_tables.dag`: duplicate primary-prefix row for `TokenKind::{token_variant}`"
-        );
-
-        rows.push(PrimaryPrefixRow {
-            token_variant,
-            dispatch,
-        });
-    }
-    rows.sort_by(|a, b| a.token_variant.cmp(&b.token_variant));
-    rows
-}
-
-/// `PrimaryPrefixRow.token_variant` is authoritative; dispatch label is
-/// `strip_prefix("Kw")` for keyword openers, else `LBrace` → `Record`,
-/// `LBracket` → `List` — no separately authored substrate enum.
-fn primary_prefix_dispatch_label_from_token_variant(
-    token_variant: &str,
-    decl_name: &str,
-) -> String {
-    if let Some(rest) = token_variant.strip_prefix("Kw") {
-        assert!(
-            !rest.is_empty(),
-            "`parse_tables.dag::{decl_name}`: token_variant `{token_variant}` has nothing after `Kw`"
-        );
-        assert_dispatch_label_is_rust_identifier(rest, decl_name);
-        return rest.to_string();
-    }
-    match token_variant {
-        "LBrace" => "Record".to_string(),
-        "LBracket" => "List".to_string(),
-        "Caret" => "Caret".to_string(),
-        other => panic!(
-            "`parse_tables.dag::{decl_name}`: token_variant `{other}` must be `Kw*` or \
-             `LBrace` / `LBracket` / `Caret` (primary prefix openers)"
-        ),
-    }
-}
-
-/// Derive `BracketRole` from the `L`/`R` prefix of a bracketing `TokenKind`
-/// variant name. Single authority for opener/closer: row authors only the
-/// token variant, role projects structurally — no parallel field in `.dag`.
-fn bracket_role_from_token_variant(token_variant: &str, decl_name: &str) -> &'static str {
-    if token_variant.starts_with('L') {
-        "Opener"
-    } else if token_variant.starts_with('R') {
-        "Closer"
-    } else {
-        panic!(
-            "`parse_tables.dag::{decl_name}`: bracket token_variant `{token_variant}` does \
-             not start with `L` or `R`; every bracketing `TokenKind` variant must carry one \
-             of those prefixes so role can be projected from the token authority."
-        )
-    }
-}
-
-/// `TopLevelItemKwRow.token_variant` is authoritative; dispatch label is
-/// `strip_prefix("Kw")` — there is no separately authored substrate enum.
-fn item_dispatch_label_from_kw_token_variant(token_variant: &str, decl_name: &str) -> String {
-    let Some(rest) = token_variant.strip_prefix("Kw") else {
-        panic!(
-            "`parse_tables.dag::{decl_name}`: token_variant `{token_variant}` must start with \
-             `Kw` (dispatch label is the remainder; no parallel coproduct in `parse_tables.dag`)"
-        );
-    };
-    assert!(
-        !rest.is_empty(),
-        "`parse_tables.dag::{decl_name}`: token_variant `{token_variant}` has nothing after `Kw`"
-    );
-    assert_dispatch_label_is_rust_identifier(rest, decl_name);
-    // `format!("Kw{rest}") == token_variant` would be tautological after a successful
-    // `strip_prefix("Kw")`; identifier validation above is the substantive guard.
-    rest.to_string()
-}
-
-fn soft_keyword_ident_spelling_from_token_variant(
-    token_variant: &str,
-    decl_name: &str,
-    shared_keywords: &BTreeSet<String>,
-) -> String {
-    let spelling = keyword_spelling_for_token_variant(token_variant, decl_name);
-    assert!(
-        shared_keywords.contains(&spelling),
-        "`parse_tables.dag::{decl_name}`: token_variant `{token_variant}` expects keyword \
-         `{spelling}` from `dsl/extdeps/languages/dag/syntax.dag::dag_keyword_set`"
-    );
-    spelling
-}
-
-fn keyword_spelling_for_token_variant(token_variant: &str, decl_name: &str) -> String {
-    let label = item_dispatch_label_from_kw_token_variant(token_variant, decl_name);
-    assert!(
-        label.chars().all(|c| c.is_ascii_alphanumeric() || c == '_'),
-        "`parse_tables.dag::{decl_name}`: soft keyword spelling source `{label}` must be ASCII identifier characters"
-    );
-    label.to_ascii_lowercase()
-}
-
-fn assert_dispatch_label_is_rust_identifier(label: &str, decl_name: &str) {
-    let mut chars = label.chars();
-    let Some(first) = chars.next() else {
-        panic!("`parse_tables.dag::{decl_name}`: empty dispatch label");
-    };
-    assert!(
-        first.is_ascii_alphabetic() || first == '_',
-        "`parse_tables.dag::{decl_name}`: dispatch `{label}` must start with ASCII letter or `_`"
-    );
-    assert!(
-        chars.all(|c| c.is_ascii_alphanumeric() || c == '_'),
-        "`parse_tables.dag::{decl_name}`: dispatch `{label}` must be ASCII identifier characters"
-    );
-}
-
-fn string_field(fields: &[(String, FieldValue)], key: &str, name: &str) -> String {
-    match fields.iter().find(|(k, _)| k == key).map(|(_, v)| v) {
-        Some(FieldValue::Literal(LiteralBits::String(s))) => s.clone(),
-        other => panic!("`{name}`: field `{key}` should be a string literal, got {other:?}"),
-    }
-}
-
-fn variant_field(
-    fields: &[(String, FieldValue)],
-    key: &str,
-    variants: &[Field],
-    name: &str,
-    type_label: &str,
-) -> String {
-    let fv = fields
-        .iter()
-        .find(|(k, _)| k == key)
-        .map(|(_, v)| v)
-        .unwrap_or_else(|| panic!("`{name}`: missing field `{key}`"));
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = fv
-    else {
-        panic!("`{name}`: field `{key}` should be a variant value, got {fv:?}");
-    };
-    assert!(
-        payload.is_empty(),
-        "`{name}`: field `{key}` expects a nullary variant"
-    );
-    variants
-        .iter()
-        .find(|v| v.ty == *constructor)
-        .map(|v| v.label.clone())
-        .unwrap_or_else(|| {
-            panic!(
-                "`{name}`: field `{key}` constructor {constructor:?} is not a {type_label} variant"
-            )
-        })
-}
-
-/// Render an `OperatorKind` as the Rust source expression that constructs it.
-/// Structural projection — reads the value, emits the matching constructor
-/// path — with no symbol → operator table. The symbol → `OperatorKind`
-/// authority is `operators.dag::from_symbol`; this driver consumes that
-/// projection via [`operators::from_symbol`] and only formats the result.
-fn operator_kind_expr(op: OperatorKind) -> String {
-    match op {
-        OperatorKind::Arithmetic(a) => format!(
-            "OperatorKind::Arithmetic(ArithmeticOp::{})",
-            arithmetic_variant(a)
-        ),
-        OperatorKind::Comparison(c) => format!(
-            "OperatorKind::Comparison(ComparisonOp::{})",
-            comparison_variant(c)
-        ),
-        OperatorKind::Logical(l) => {
-            format!("OperatorKind::Logical(LogicalOp::{})", logical_variant(l))
-        }
-    }
-}
-
-fn arithmetic_variant(a: ArithmeticOp) -> &'static str {
-    match a {
-        ArithmeticOp::Add => "Add",
-        ArithmeticOp::Sub => "Sub",
-        ArithmeticOp::Mul => "Mul",
-        ArithmeticOp::Div => "Div",
-    }
-}
-
-fn comparison_variant(c: ComparisonOp) -> &'static str {
-    match c {
-        ComparisonOp::Eq => "Eq",
-        ComparisonOp::Ne => "Ne",
-        ComparisonOp::Lt => "Lt",
-        ComparisonOp::Le => "Le",
-        ComparisonOp::Gt => "Gt",
-        ComparisonOp::Ge => "Ge",
-    }
-}
-
-fn logical_variant(l: LogicalOp) -> &'static str {
-    match l {
-        LogicalOp::And => "And",
-        LogicalOp::Or => "Or",
-    }
-}
-
-/// Row bundles for `emit_module`. SG-2c tables accrue enough parameters that
-/// a single carrier keeps the emission entry under clippy's `too_many_arguments`
-/// threshold (`-D warnings` in CI).
-struct EmitParseTablesModule<'a> {
-    levels: &'a [String],
-    binary_op_rows: &'a [BinaryOpRow],
-    item_dispatch_variants: &'a [String],
-    item_kw_rows: &'a [TopLevelItemKwRow],
-    soft_keyword_ident_rows: &'a [SoftKeywordIdentRow],
-    bracket_rows: &'a [BracketRow],
-    primary_prefix_variants: &'a [String],
-    primary_prefix_rows: &'a [PrimaryPrefixRow],
-    primary_atom_variants: &'a [String],
-    primary_atom_rows: &'a [PrimaryAtomRow],
-}
-
-fn emit_module(ctx: &EmitParseTablesModule<'_>) -> String {
-    let EmitParseTablesModule {
-        levels,
-        binary_op_rows: rows,
-        item_dispatch_variants,
-        item_kw_rows,
-        soft_keyword_ident_rows,
-        bracket_rows,
-        primary_prefix_variants,
-        primary_prefix_rows,
-        primary_atom_variants,
-        primary_atom_rows,
-    } = *ctx;
-    // `BracketRole` variants are the set of distinct roles derived from the
-    // authored rows (projection-only). Matches the `ItemDispatchKind` pattern:
-    // unique labels, sorted, no substrate coproduct.
-    let mut bracket_roles: Vec<String> = bracket_rows.iter().map(|r| r.role.clone()).collect();
-    bracket_roles.sort_unstable();
-    bracket_roles.dedup();
-    let mut s = String::new();
-    s.push_str("use crate::dag::{ArithmeticOp, ComparisonOp, LogicalOp, OperatorKind};\n");
-    s.push_str("use crate::tokenize::TokenKind;\n\n");
-
-    s.push_str("#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n");
-    s.push_str("pub enum BinaryOpLevel {\n");
-    for level in levels {
-        s.push_str(&format!("    {level},\n"));
-    }
-    s.push_str("}\n\n");
-
-    s.push_str(
-        "/// Token-to-`OperatorKind` map for the parser's per-precedence-level\n\
-         /// functions. Authored as `binary_op_*: BinaryOpRow` rows in\n\
-         /// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.\n",
-    );
-    s.push_str(
-        "pub fn binary_op_at_level(tk: &TokenKind, level: BinaryOpLevel) -> Option<OperatorKind> {\n",
-    );
-    s.push_str("    match (tk, level) {\n");
-    for row in rows {
-        let op = operators::from_symbol(&row.operator_symbol)
-            .expect("validated in collect_binary_op_rows");
-        s.push_str(&format!(
-            "        (TokenKind::{}, BinaryOpLevel::{}) => Some({}),\n",
-            row.token_variant,
-            row.level,
-            operator_kind_expr(op)
-        ));
-    }
-    s.push_str("        _ => None,\n");
-    s.push_str("    }\n");
-    s.push_str("}\n\n");
-
-    s.push_str("#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n");
-    s.push_str("pub enum ItemDispatchKind {\n");
-    for v in item_dispatch_variants {
-        s.push_str(&format!("    {v},\n"));
-    }
-    s.push_str("}\n\n");
-
-    s.push_str(
-        "/// Top-level item keyword (`parse_item`) → dispatch class.\n\
-         /// `ItemDispatchKind` is emitted from unique `Kw`-stripped labels of\n\
-         /// `TopLevelItemKwRow { token_variant }` rows — not authored as a substrate coproduct.\n",
-    );
-    s.push_str("pub fn top_level_item_dispatch(kind: &TokenKind) -> Option<ItemDispatchKind> {\n");
-    s.push_str("    match kind {\n");
-    for row in item_kw_rows {
-        s.push_str(&format!(
-            "        TokenKind::{} => Some(ItemDispatchKind::{}),\n",
-            row.token_variant, row.dispatch
-        ));
-    }
-    s.push_str("        _ => None,\n");
-    s.push_str("    }\n");
-    s.push_str("}\n");
-    s.push_str(
-        "\n/// Keyword membership table for top-level type-RHS boundary lookahead.\n\
-         /// Projected from the existing `TopLevelItemKwRow` rows in\n\
-         /// `src/v3/compiler/parse_tables.dag`.\n",
-    );
-    s.push_str("pub fn is_type_rhs_boundary_keyword(kind: &TokenKind) -> bool {\n");
-    s.push_str("    matches!(kind, ");
-    for (idx, row) in item_kw_rows.iter().enumerate() {
-        if idx > 0 {
-            s.push_str(" | ");
-        }
-        s.push_str(&format!("TokenKind::{}", row.token_variant));
-    }
-    s.push_str(")\n");
-    s.push_str("}\n\n");
-
-    s.push_str(
-        "/// Keyword tokens that the parser accepts as bare identifier spellings\n\
-         /// in label/name positions (`parse_field_label`, `parse_variant`).\n\
-         /// Projected from `SoftKeywordIdentRow { token_variant }` rows in\n\
-         /// `src/v3/compiler/parse_tables.dag`.\n",
-    );
-    s.push_str("pub fn soft_keyword_ident_spelling(kind: &TokenKind) -> Option<&'static str> {\n");
-    s.push_str("    match kind {\n");
-    for row in soft_keyword_ident_rows {
-        s.push_str(&format!(
-            "        TokenKind::{} => Some({:?}),\n",
-            row.token_variant, row.spelling
-        ));
-    }
-    s.push_str("        _ => None,\n");
-    s.push_str("    }\n");
-    s.push_str("}\n\n");
-
-    s.push_str("#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n");
-    s.push_str("pub enum BracketRole {\n");
-    for role in &bracket_roles {
-        s.push_str(&format!("    {role},\n"));
-    }
-    s.push_str("}\n\n");
-
-    s.push_str(
-        "/// Bracket opener/closer role for depth-tracking token scans\n\
-         /// (`skip_where_clause`, `rhs_is_sum` in `parse_parser_body.txt`).\n\
-         /// Authored as `bracket_*: BracketRow` rows in\n\
-         /// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.\n",
-    );
-    s.push_str("pub fn bracket_role(kind: &TokenKind) -> Option<BracketRole> {\n");
-    s.push_str("    match kind {\n");
-    for row in bracket_rows {
-        s.push_str(&format!(
-            "        TokenKind::{} => Some(BracketRole::{}),\n",
-            row.token_variant, row.role
-        ));
-    }
-    s.push_str("        _ => None,\n");
-    s.push_str("    }\n");
-    s.push_str("}\n\n");
-
-    s.push_str("#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n");
-    s.push_str("pub enum PrimaryPrefixDispatch {\n");
-    for v in primary_prefix_variants {
-        s.push_str(&format!("    {v},\n"));
-    }
-    s.push_str("}\n\n");
-
-    s.push_str(
-        "/// Peek token at the start of `parse_primary` → which dedicated parser to run.\n\
-         /// Authored as `primary_prefix_*: PrimaryPrefixRow` rows in\n\
-         /// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.\n\
-         /// `PrimaryPrefixDispatch` is emitted from those rows — not a substrate coproduct.\n",
-    );
-    s.push_str(
-        "pub fn primary_prefix_dispatch(kind: &TokenKind) -> Option<PrimaryPrefixDispatch> {\n",
-    );
-    s.push_str("    match kind {\n");
-    for row in primary_prefix_rows {
-        s.push_str(&format!(
-            "        TokenKind::{} => Some(PrimaryPrefixDispatch::{}),\n",
-            row.token_variant, row.dispatch
-        ));
-    }
-    s.push_str("        _ => None,\n");
-    s.push_str("    }\n");
-    s.push_str("}\n\n");
-
-    s.push_str("#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n");
-    s.push_str("pub enum PrimaryAtomClass {\n");
-    for v in primary_atom_variants {
-        s.push_str(&format!("    {v},\n"));
-    }
-    s.push_str("}\n\n");
-
-    s.push_str(
-        "/// After the `parse_primary` prefix pass, the bumped token is one of the\n\
-         /// atomic primary forms. Authored as `primary_atom_*: PrimaryAtomRow` rows in\n\
-         /// `src/v3/compiler/parse_tables.dag`; regenerated by `regen_parse_tables`.\n\
-         /// `PrimaryAtomClass` is emitted from those rows — not a substrate coproduct.\n",
-    );
-    s.push_str("pub fn primary_atom_class(kind: &TokenKind) -> Option<PrimaryAtomClass> {\n");
-    s.push_str("    match kind {\n");
-    for row in primary_atom_rows {
-        let pat = token_kind_pattern_ref(&row.token_variant);
-        s.push_str(&format!(
-            "        TokenKind::{} => Some(PrimaryAtomClass::{}),\n",
-            pat, row.dispatch
-        ));
-    }
-    s.push_str("        _ => None,\n");
-    s.push_str("    }\n");
-    s.push_str("}\n");
-    s
-}
-
-fn rustfmt_stdout(source: &str) -> Result<String, String> {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .map_err(|e| format!("spawn rustfmt: {e}"))?;
-    child
-        .stdin
-        .as_mut()
-        .unwrap()
-        .write_all(source.as_bytes())
-        .map_err(|e| format!("write rustfmt stdin: {e}"))?;
-    let output = child
-        .wait_with_output()
-        .map_err(|e| format!("wait rustfmt: {e}"))?;
-    if !output.status.success() {
-        return Err(format!(
-            "rustfmt failed: {}",
-            String::from_utf8_lossy(&output.stderr)
-        ));
-    }
-    String::from_utf8(output.stdout).map_err(|e| format!("rustfmt stdout utf-8: {e}"))
-}
-
-/// SG-1a scaffold extension: read operator projection data directly from
-/// `syntax.dag` source text because `dag_operators` still lowers as
-/// `ValueBody::Unparsed` (same state `regen_tokenize` encountered). A trimmed
-/// view of `OperatorSpec` is sufficient for regen cross-validation against
-/// `parse_tables.dag`.
-#[derive(Clone)]
-pub(crate) struct SharedOperatorSpec {
-    pub left_bp: i64,
-    /// Variant name from the external authority's `binop` field, e.g.
-    /// `"Or"`, `"Add"`, `"Eq"`. Matches the leaf variant label
-    /// inside the corresponding `OperatorKind` (see
-    /// `operator_kind_binop_name`), which is the structural join
-    /// that closes `symbol → OperatorKind` drift between
-    /// `operators.dag` and `v3_supported_dag_operators`.
-    pub binop_name: String,
-}
-
-/// Returns a symbol → (left_bp, binop_name) map for the current v3-supported
-/// operator projection by filtering external `dag_operators` with the explicit
-/// `v3_supported_dag_operators` symbol set. Fails closed on malformed input.
-/// Dissolution trigger: when `dag_operators` lowers structurally, swap this
-/// extractor for a typed read — same lane as `regen_tokenize`'s
-/// `assert_shared_syntax_raw_source_scaffold_still_required`.
-fn extract_v3_supported_operator_bps(
-    source: &str,
-) -> std::collections::BTreeMap<String, SharedOperatorSpec> {
-    let supported_symbols = extract_v3_supported_operator_symbols(source);
-    let external_operators = extract_shared_operator_bps(source);
-    let mut out = std::collections::BTreeMap::new();
-    for symbol in supported_symbols {
-        let spec = external_operators.get(&symbol).unwrap_or_else(|| {
-            panic!(
-                "`v3_supported_dag_operators` symbol `{symbol}` is not present in external `dag_operators`"
-            )
-        });
-        out.insert(symbol, spec.clone());
-    }
-    out
-}
-
-fn extract_shared_operator_bps(
-    source: &str,
-) -> std::collections::BTreeMap<String, SharedOperatorSpec> {
-    let section = extract_balanced_section(source, "data dag_operators", '[', ']');
-    let mut out = std::collections::BTreeMap::new();
-    // Each entry is `OperatorSpec { symbol: "X", left_bp: N, right_bp: M, binop: Y, ... }`.
-    // Parse sequentially: symbol (string) → left_bp (int) → binop (bare identifier).
-    let mut rest = section;
-    loop {
-        let Some(sym_idx) = rest.find("symbol:") else {
-            break;
-        };
-        let after_sym = &rest[sym_idx + "symbol:".len()..];
-        let quote_idx = after_sym
-            .find('"')
-            .expect("missing string literal for `symbol` in `dag_operators`");
-        let (symbol, consumed) = parse_string_literal(&after_sym[quote_idx..]);
-        let tail = &after_sym[quote_idx + consumed..];
-
-        let bp_idx = tail
-            .find("left_bp:")
-            .expect("OperatorSpec missing `left_bp` field");
-        let after_bp = &tail[bp_idx + "left_bp:".len()..];
-        let after_bp_trimmed = after_bp.trim_start();
-        let num_end = after_bp_trimmed
-            .find(|c: char| !c.is_ascii_digit())
-            .unwrap_or(after_bp_trimmed.len());
-        let bp: i64 = after_bp_trimmed[..num_end]
-            .parse()
-            .unwrap_or_else(|_| panic!("malformed left_bp for symbol `{symbol}`"));
-        let tail = &after_bp_trimmed[num_end..];
-
-        let binop_idx = tail
-            .find("binop:")
-            .expect("OperatorSpec missing `binop` field");
-        let after_binop = &tail[binop_idx + "binop:".len()..];
-        let after_binop_trimmed = after_binop.trim_start();
-        let ident_end = after_binop_trimmed
-            .find(|c: char| !c.is_ascii_alphanumeric() && c != '_')
-            .unwrap_or(after_binop_trimmed.len());
-        let binop_name = after_binop_trimmed[..ident_end].to_string();
-
-        assert!(
-            out.insert(
-                symbol.clone(),
-                SharedOperatorSpec {
-                    left_bp: bp,
-                    binop_name,
-                },
-            )
-            .is_none(),
-            "duplicate `dag_operators` row for symbol `{symbol}`"
-        );
-        rest = &after_binop_trimmed[ident_end..];
-    }
-    out
-}
-
-fn extract_v3_supported_operator_symbols(source: &str) -> BTreeSet<String> {
-    let section = extract_balanced_section(source, "data v3_supported_dag_operators", '{', '}');
-    let mut out = BTreeSet::new();
-    let mut rest = section;
-    loop {
-        let Some(quote_idx) = rest.find('"') else {
-            break;
-        };
-        let (symbol, consumed) = parse_string_literal(&rest[quote_idx..]);
-        assert!(
-            out.insert(symbol.clone()),
-            "duplicate `v3_supported_dag_operators` row for symbol `{symbol}`"
-        );
-        rest = &rest[quote_idx + consumed..];
-    }
-    out
-}
-
-fn extract_shared_keyword_set(source: &str) -> BTreeSet<String> {
-    let section = extract_balanced_section(source, "data dag_keyword_set", '{', '}');
-    let mut out = BTreeSet::new();
-    let mut rest = section;
-    loop {
-        let Some(quote_idx) = rest.find('"') else {
-            break;
-        };
-        let (keyword, consumed) = parse_string_literal(&rest[quote_idx..]);
-        assert!(
-            out.insert(keyword.clone()),
-            "duplicate `dag_keyword_set` row for keyword `{keyword}`"
-        );
-        rest = &rest[quote_idx + consumed..];
-    }
-    out
-}
-
-/// Variant-name projection of an `OperatorKind` — the leaf label inside
-/// the nested enum (e.g. `Or`, `Add`, `Eq`). The v3-supported projection's
-/// `OperatorSpec.binop` uses the same vocabulary, so comparing on this
-/// label is the structural join that closes `symbol → OperatorKind`
-/// drift between `operators.dag` and `v3_supported_dag_operators` — without a
-/// parallel name-to-name table (the projection is a pure value read).
-fn operator_kind_binop_name(op: OperatorKind) -> &'static str {
-    match op {
-        OperatorKind::Arithmetic(a) => arithmetic_variant(a),
-        OperatorKind::Comparison(c) => comparison_variant(c),
-        OperatorKind::Logical(l) => logical_variant(l),
-    }
-}
-
-fn extract_balanced_section<'a>(source: &'a str, anchor: &str, open: char, close: char) -> &'a str {
-    let anchor_idx = source
-        .find(anchor)
-        .unwrap_or_else(|| panic!("missing `{anchor}` in shared syntax authority"));
-    let tail = &source[anchor_idx..];
-    let open_rel = tail
-        .find(open)
-        .unwrap_or_else(|| panic!("missing `{open}` after `{anchor}`"));
-    let start = anchor_idx + open_rel;
-    let mut depth = 0usize;
-    for (offset, ch) in source[start..].char_indices() {
-        if ch == open {
-            depth += 1;
-        } else if ch == close {
-            depth -= 1;
-            if depth == 0 {
-                return &source[start + open.len_utf8()..start + offset];
-            }
-        }
-    }
-    panic!("unterminated `{open}` section `{anchor}`");
-}
-
-fn parse_string_literal(source: &str) -> (String, usize) {
-    assert!(
-        source.starts_with('"'),
-        "string literal expects to start at a quote"
-    );
-    let mut out = String::new();
-    let mut escaped = false;
-    for (idx, ch) in source[1..].char_indices() {
-        if escaped {
-            out.push(ch);
-            escaped = false;
-            continue;
-        }
-        match ch {
-            '\\' => escaped = true,
-            '"' => return (out, idx + 2),
-            other => out.push(other),
-        }
-    }
-    panic!("unterminated string literal in shared syntax authority");
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn unsupported_external_operator_duplicates_fail_closed() {
-        let source = r#"
-data dag_operators: List<OperatorSpec> = [
-  OperatorSpec { symbol: "||", left_bp: 5, right_bp: 6, binop: Or, algebra_field: none },
-  OperatorSpec { symbol: "??", left_bp: 8, right_bp: 9, binop: NullCoalesce, algebra_field: none },
-  OperatorSpec { symbol: "??", left_bp: 8, right_bp: 9, binop: NullCoalesce, algebra_field: none }
-]
-
-data v3_supported_dag_operators: Map<String, Bool> = {
-  "||": true
-}
-"#;
-        let err = match std::panic::catch_unwind(|| extract_v3_supported_operator_bps(source)) {
-            Ok(_) => panic!("duplicate unsupported external operator should panic"),
-            Err(err) => err,
-        };
-        let msg = err
-            .downcast_ref::<String>()
-            .map(String::as_str)
-            .or_else(|| err.downcast_ref::<&str>().copied())
-            .unwrap_or("<non-string panic>");
-        assert!(
-            msg.contains("duplicate `dag_operators` row for symbol `??`"),
-            "unexpected panic: {msg}"
-        );
-    }
-}
diff --git a/src/v3/compiler/src/regen_tokenize.rs b/src/v3/compiler/src/regen_tokenize.rs
deleted file mode 100644
index 228e47c45fb..00000000000
--- a/src/v3/compiler/src/regen_tokenize.rs
+++ /dev/null
@@ -1,1191 +0,0 @@
-//! Regenerate `tokenize_generated.rs` from `src/v3/compiler/tokenize.dag`.
-//!
-//! Scanner controls and tokenizer-local punctuation come from the lowered
-//! tokenizer Dag, while token types are imported from `src/v3/std/tokenize.dag`.
-//! Dedicated keywords are derived from the lowered shared syntax authority at
-//! `dsl/extdeps/languages/dag/syntax.dag`. Shared operators still use the
-//! bounded raw-source bridge until `dag_operators` lowers structurally.
-
-use std::collections::BTreeSet;
-use std::io::Write;
-use std::process::{Command, Stdio};
-
-use crate::compile_to_dag;
-use crate::dag::{
-    AtomPayload, Dag, DeclarationId, FieldValue, LiteralBits, TypeConnective, ValueBody,
-};
-use crate::generated_files::GENERATED_FILES;
-use crate::CompileError;
-
-const GENERATED_FILE: &str = "src/v3/compiler/src/tokenize_generated.rs";
-const TOKENIZE_AUTHORITY_FILE: &str = "src/v3/compiler/tokenize.dag";
-const TOKEN_STD_AUTHORITY_FILE: &str = "src/v3/std/tokenize.dag";
-const SHARED_SYNTAX_FILE: &str = "dsl/extdeps/languages/dag/syntax.dag";
-
-const HEADER: &str = "// AUTO-GENERATED from `src/v3/compiler/tokenize.dag` via\n\
-     // `regen_tokenize`. Regenerate instead of hand-editing.\n\n";
-
-/// Regenerated `tokenize_generated.rs` body: header + `rustfmt` stdout, no disk write.
-///
-/// Used by `regen_tokenize` CLI and SG-1 authority tests (in-process; avoids nested Cargo).
-pub fn tokenize_generated_rust_formatted(manifest_dir: &std::path::Path) -> String {
-    let dag_path = manifest_dir.join("tokenize.dag");
-    let source = std::fs::read_to_string(&dag_path).expect("read tokenize.dag");
-    let dag = compile_authority_dag(&source, TOKENIZE_AUTHORITY_FILE);
-    let shared_syntax_source = read_shared_syntax_source(manifest_dir);
-    let shared_syntax_dag = compile_shared_syntax_dag(&shared_syntax_source);
-    let shared_syntax =
-        SharedSyntaxAuthority::from_authority(&shared_syntax_dag, &shared_syntax_source);
-    let rust = generate(&dag, &shared_syntax);
-    let combined = format!("{HEADER}{rust}");
-    rustfmt_stdout(&combined)
-}
-
-/// Single-authority gate + write path for the `regen_tokenize` binary.
-pub fn write_tokenize_generated_rs(manifest_dir: &std::path::Path) {
-    // Single-authority gate: the output path this driver writes must
-    // be registered in `REGEN_OUTPUTS` (surfaced as
-    // `generated_files::GENERATED_FILES`). SG-0 treats that
-    // manifest as the sole producer-owned partition; writing to a path
-    // outside the manifest would silently drift the census.
-    assert!(
-        GENERATED_FILES.contains(&GENERATED_FILE),
-        "`regen_tokenize` writes `{GENERATED_FILE}` but that path is not \
-         registered in `REGEN_OUTPUTS` in `src/v3/compiler/build.rs`. \
-         Add the path to `REGEN_OUTPUTS` so the two authorities stay in \
-         lockstep. Both are SG-0's producer-owned manifest; writing \
-         to a path outside the manifest would be silent drift."
-    );
-
-    let formatted = tokenize_generated_rust_formatted(manifest_dir);
-    let out_path = manifest_dir.join("src").join("tokenize_generated.rs");
-    std::fs::write(&out_path, &formatted).expect("write tokenize_generated.rs");
-    println!("wrote {}", out_path.display());
-}
-
-fn rustfmt_stdout(combined: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .unwrap()
-        .write_all(combined.as_bytes())
-        .unwrap();
-    let output = child.wait_with_output().expect("rustfmt");
-    assert!(output.status.success(), "rustfmt failed");
-    String::from_utf8(output.stdout).expect("utf8")
-}
-
-fn compile_authority_dag(source: &str, file: &str) -> Dag {
-    compile_to_dag(source, file).unwrap_or_else(|e| match e {
-        CompileError::Semantic(d) => {
-            let mut msg = format!("compile {file} failed:\n");
-            for (_, diag) in d.diagnostics().iter() {
-                msg.push_str(&format!("  {diag:?}\n"));
-            }
-            panic!("{msg}");
-        }
-        other => panic!("compile {file}: {other:?}"),
-    })
-}
-
-fn read_shared_syntax_source(manifest_dir: &std::path::Path) -> String {
-    let repo_root = manifest_dir
-        .parent()
-        .and_then(|path| path.parent())
-        .and_then(|path| path.parent())
-        .expect("src/v3/compiler should have a repo root ancestor");
-    let syntax_path = repo_root.join(SHARED_SYNTAX_FILE);
-    std::fs::read_to_string(&syntax_path).unwrap_or_else(|e| {
-        panic!(
-            "read shared syntax authority `{}` from {}: {e}",
-            SHARED_SYNTAX_FILE,
-            syntax_path.display()
-        )
-    })
-}
-
-fn compile_shared_syntax_dag(source: &str) -> Dag {
-    match compile_to_dag(source, SHARED_SYNTAX_FILE) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => dag,
-        Err(other) => panic!("compile {SHARED_SYNTAX_FILE}: {other:?}"),
-    }
-}
-
-fn generate(dag: &Dag, shared_syntax: &SharedSyntaxAuthority) -> String {
-    let keywords = collect_keyword_rows(dag, shared_syntax);
-    let ascii_scan_order = collect_ascii_scan_order(dag);
-    let puncts = collect_punct_rows(dag, shared_syntax);
-    let line_comment_prefix = string_data_named(dag, "line_comment_prefix");
-    let string_delim = string_data_named(dag, "string_literal_delimiter");
-    assert_eq!(
-        string_delim.len(),
-        1,
-        "string_literal_delimiter must be one byte, got {string_delim:?}"
-    );
-    let diag_unterm_esc = string_data_named(dag, "diagnostic_unterminated_string_escape");
-    let diag_unterm_lit = string_data_named(dag, "diagnostic_unterminated_string_literal");
-    let diag_int_pre = string_data_named(dag, "diagnostic_invalid_integer_literal_prefix");
-    let diag_int_suf = string_data_named(dag, "diagnostic_invalid_integer_literal_suffix");
-    let escapes = collect_string_escape_rows(dag);
-    let minus_infix_labels = collect_minus_infix_only_after_token_kinds(dag);
-
-    let mut out = String::new();
-    out.push_str("use crate::diagnostics::{Diagnostic, SourceSpan};\n");
-    out.push_str(&emit_char_scanner_class_scaffolding(&ascii_scan_order));
-    out.push_str(&emit_token_kind_enum(dag));
-    out.push_str(
-        r#"#[derive(Debug, Clone)]
-pub struct Token {
-    pub kind: TokenKind,
-    pub span: SourceSpan,
-}
-
-"#,
-    );
-    out.push_str(&emit_tokenize_fn(
-        &keywords,
-        &line_comment_prefix,
-        string_delim.as_bytes()[0],
-        &diag_unterm_esc,
-        &diag_unterm_lit,
-        &diag_int_pre,
-        &diag_int_suf,
-        &escapes,
-        &ascii_scan_order,
-        &minus_infix_labels,
-    ));
-    out.push_str(&emit_punctuation_token(&puncts));
-    out
-}
-
-fn collect_minus_infix_only_after_token_kinds(dag: &Dag) -> Vec<String> {
-    let decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("minus_infix_only_after_token_kinds"))
-        .unwrap_or_else(|| {
-            panic!(
-                "missing `minus_infix_only_after_token_kinds` data in `{TOKENIZE_AUTHORITY_FILE}`"
-            )
-        });
-    let Some(ValueBody::List(values)) = decl.value_body.as_ref() else {
-        panic!(
-            "`minus_infix_only_after_token_kinds` in `{TOKENIZE_AUTHORITY_FILE}` must be a list"
-        );
-    };
-    let mut out = Vec::new();
-    for value in values {
-        match value {
-            FieldValue::Literal(LiteralBits::String(s)) => out.push(s.clone()),
-            other => panic!(
-                "`minus_infix_only_after_token_kinds`: expected string literal elements, got {other:?}"
-            ),
-        }
-    }
-    assert!(
-        !out.is_empty(),
-        "`minus_infix_only_after_token_kinds` must not be empty"
-    );
-    out
-}
-
-fn token_kind_pattern_for_minus_disambiguation(label: &str) -> &'static str {
-    match label {
-        "Ident" => "TokenKind::Ident(_)",
-        "IntLit" => "TokenKind::IntLit(_)",
-        "StringLit" => "TokenKind::StringLit(_)",
-        "KwTrue" => "TokenKind::KwTrue",
-        "KwFalse" => "TokenKind::KwFalse",
-        "RParen" => "TokenKind::RParen",
-        "RBracket" => "TokenKind::RBracket",
-        "RBrace" => "TokenKind::RBrace",
-        other => panic!(
-            "unsupported `{other}` in `minus_infix_only_after_token_kinds`; \
-             add a `TokenKind` arm to `token_kind_pattern_for_minus_disambiguation` \
-             in `regen_tokenize.rs`"
-        ),
-    }
-}
-
-fn emit_minus_prefixed_decimal_allowed(labels: &[String]) -> String {
-    assert!(
-        !labels.is_empty(),
-        "`minus_infix_only_after_token_kinds` must name at least one variant"
-    );
-    let mut inner = String::new();
-    for (idx, label) in labels.iter().enumerate() {
-        let pat = token_kind_pattern_for_minus_disambiguation(label);
-        if idx == 0 {
-            inner.push_str(pat);
-        } else {
-            inner.push_str("\n                | ");
-            inner.push_str(pat);
-        }
-    }
-    format!(
-        "fn minus_prefixed_decimal_allowed(prev: Option<&TokenKind>) -> bool {{\n\
-    !matches!(\n\
-        prev,\n\
-        Some(\n\
-            {inner}\n\
-        )\n\
-    )\n\
-}}\n\n"
-    )
-}
-
-fn emit_char_scanner_class_scaffolding(scan_order: &[String]) -> String {
-    assert!(
-        scan_order.len() == 4,
-        "`ascii_scan_order` in `tokenize.dag` must list exactly 4 class names"
-    );
-    assert!(
-        scan_order
-            .iter()
-            .collect::<std::collections::BTreeSet<_>>()
-            .len()
-            == scan_order.len(),
-        "`ascii_scan_order` in `tokenize.dag` must not contain duplicates"
-    );
-
-    let mut out = String::new();
-    out.push_str("\n#[derive(Debug, Clone, Copy, PartialEq, Eq)]\n");
-    out.push_str("pub enum ScannerCharClass {\n");
-    for class in scan_order {
-        out.push_str(&format!("    {class},\n"));
-    }
-    out.push_str("}\n\n");
-
-    out.push_str("#[inline]\n");
-    out.push_str("pub fn byte_matches(byte: u8, class: ScannerCharClass) -> bool {\n");
-    out.push_str("    match class {\n");
-    for class in scan_order {
-        let expr = ascii_scan_class_predicate(class);
-        out.push_str(&format!("        ScannerCharClass::{class} => {expr},\n"));
-    }
-    out.push_str("    }\n}\n\n");
-
-    out
-}
-
-fn ascii_scan_class_predicate(class_name: &str) -> &'static str {
-    // TRACKED SCAFFOLD (see `tokenize.dag` header — P5 / CHARACTER-LEVEL row):
-    // Hand-Rust codegen mirror of **`dsl/std/unicode.dag::char_in_class`** predicates.
-    //
-    // **Dissolution pointer (explicit ROADMAP row + next step):**
-    // `ROADMAP.md` **Post-merge debt** → **`char_in_class` interpreter parity (tokenizer bridge
-    // finish, PR #693)** — parity harness vs evaluator, then retire this mirror alongside
-    // structural `tokenize.dag` read (same migration gate as **Character-level
-    // under-consumption …** §step (3)).
-    match class_name {
-        "Whitespace" => "matches!(byte, b'\\t' | b'\\n' | b'\\x0c' | b'\\r' | b' ')",
-        "Digit" => "byte.is_ascii_digit()",
-        "IdentStart" => "byte.is_ascii_lowercase() || byte.is_ascii_uppercase() || byte == 0x5f",
-        "IdentContinue" => "byte.is_ascii_alphanumeric() || byte == 0x5f",
-        _ => panic!("unsupported scanner class `{class_name}` in `ascii_scan_order`"),
-    }
-}
-
-fn collect_ascii_scan_order(dag: &Dag) -> Vec<String> {
-    let scan_decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("ascii_scan_order"))
-        .unwrap_or_else(|| panic!("missing `ascii_scan_order` in `{TOKENIZE_AUTHORITY_FILE}`"));
-
-    let char_class_decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("CharClass"))
-        .unwrap_or_else(|| panic!("missing `CharClass` in `{TOKENIZE_AUTHORITY_FILE}`"));
-
-    let TypeConnective::Disj {
-        variants: char_class_variants,
-    } = &char_class_decl.connective
-    else {
-        panic!("`CharClass` should be a disj declaration");
-    };
-
-    let Some(ValueBody::List(values)) = scan_decl.value_body.as_ref() else {
-        panic!("`ascii_scan_order` in `{TOKENIZE_AUTHORITY_FILE}` must be a list");
-    };
-
-    let mut out = Vec::new();
-    for value in values {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = value
-        else {
-            panic!("`ascii_scan_order` elements must be constructor values");
-        };
-        assert!(
-            payload.is_empty(),
-            "`ascii_scan_order` class entries must be nullary constructors"
-        );
-        let label = char_class_variants
-            .iter()
-            .find(|field| field.ty == *constructor)
-            .map(|field| field.label.clone())
-            .unwrap_or_else(|| {
-                panic!(
-                    "`ascii_scan_order` contains constructor {:?} not owned by `CharClass`",
-                    constructor
-                )
-            });
-        out.push(label);
-    }
-
-    let expected = ["Whitespace", "Digit", "IdentStart", "IdentContinue"];
-    for class in &expected {
-        assert!(
-            out.contains(&class.to_string()),
-            "`ascii_scan_order` in `{TOKENIZE_AUTHORITY_FILE}` must include `{class}`"
-        );
-    }
-
-    out
-}
-
-fn string_data_named(dag: &Dag, expected_name: &str) -> String {
-    let decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some(expected_name))
-        .unwrap_or_else(|| panic!("missing `{expected_name}` data in `{TOKENIZE_AUTHORITY_FILE}`"));
-    match &decl.value_body {
-        Some(ValueBody::Scalar(LiteralBits::String(s))) => s.clone(),
-        Some(ValueBody::Structural { fields }) => {
-            if let Some((_, FieldValue::Literal(LiteralBits::String(s)))) = fields.first() {
-                s.clone()
-            } else {
-                panic!("`{expected_name}`: expected string scalar or single string field")
-            }
-        }
-        other => panic!("`{expected_name}`: expected string data, got {other:?}"),
-    }
-}
-
-fn collect_string_escape_rows(dag: &Dag) -> Vec<(u8, i64)> {
-    let mut rows = Vec::new();
-    for decl in dag.declarations() {
-        let Some(name) = &decl.name else {
-            continue;
-        };
-        if !name.starts_with("string_escape_") {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        let suffix = extract_string_field(fields, "suffix");
-        let codepoint = extract_int_field(fields, "output_codepoint");
-        assert_eq!(suffix.len(), 1, "{name}: escape suffix must be one byte");
-        rows.push((suffix.as_bytes()[0], codepoint));
-    }
-    rows.sort_by_key(|x| x.0);
-    rows
-}
-
-fn rust_byte_string_literal(prefix: &str) -> String {
-    let mut out = String::from("b\"");
-    for b in prefix.bytes() {
-        match b {
-            b'\\' => out.push_str("\\\\"),
-            b'"' => out.push_str("\\\""),
-            b'\n' => out.push_str("\\n"),
-            b'\r' => out.push_str("\\r"),
-            b'\t' => out.push_str("\\t"),
-            32..=126 => out.push(b as char),
-            _ => panic!("non-printable byte in line_comment_prefix: {b:?}"),
-        }
-    }
-    out.push('"');
-    out
-}
-
-fn rust_string_literal_for_rust_source(s: &str) -> String {
-    format!("{s:?}")
-}
-
-fn emit_token_kind_enum(dag: &Dag) -> String {
-    let decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("TokenKind"))
-        .unwrap_or_else(|| {
-            panic!(
-                "missing `TokenKind` declaration while compiling `{TOKENIZE_AUTHORITY_FILE}`; \
-                 expected it to be imported from `{TOKEN_STD_AUTHORITY_FILE}`"
-            )
-        });
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!("TokenKind: expected Disj");
-    };
-    let mut lines = vec![
-        "#[derive(Debug, Clone, PartialEq, Eq)]".to_string(),
-        "pub enum TokenKind {".to_string(),
-    ];
-    for v in variants {
-        let payload = dag.declaration(v.ty);
-        let arm = match &payload.connective {
-            TypeConnective::Conj { children } if children.is_empty() => format!("    {},", v.label),
-            TypeConnective::Conj { children } if children.len() == 1 => {
-                let field = &children[0];
-                let rust_ty = rust_type_for_decl_id(dag, field.ty);
-                let field_name = &field.label;
-                if field_name == "_0" {
-                    format!("    {}({rust_ty}),", v.label)
-                } else if field_name == "name" && rust_ty == "String" {
-                    format!("    {}(String),", v.label)
-                } else if field_name == "value" && rust_ty == "Int" {
-                    format!("    {}(i64),", v.label)
-                } else {
-                    format!("    {} {{ {}: {rust_ty} }},", v.label, field_name)
-                }
-            }
-            TypeConnective::Atom(atom) => {
-                use crate::dag::AtomPayload;
-                match atom {
-                    AtomPayload::Literal(_) => {
-                        panic!("unexpected literal atom for variant {}", v.label)
-                    }
-                    AtomPayload::UnresolvedIdentifier(_) => panic!("unexpected unresolved id"),
-                    AtomPayload::ResolvedByStructure(_) | AtomPayload::ResolvedByName(_) => {
-                        panic!("unexpected resolved atom for {}", v.label)
-                    }
-                    AtomPayload::TypeParam(_) => panic!("unexpected type param"),
-                }
-            }
-            other => panic!(
-                "TokenKind variant {}: unexpected payload {other:?}",
-                v.label
-            ),
-        };
-        lines.push(arm);
-    }
-    lines.push("}".to_string());
-    lines.push(String::new());
-    lines.join("\n")
-}
-
-fn rust_type_for_decl_id(dag: &Dag, id: DeclarationId) -> String {
-    let decl = dag.declaration(id);
-    if let Some(name) = &decl.name {
-        match name.as_str() {
-            "String" => return "String".to_string(),
-            "Int" | "Int64" => return "i64".to_string(),
-            _ => {}
-        }
-    }
-    match &decl.connective {
-        TypeConnective::Atom(ap) => match ap {
-            AtomPayload::ResolvedByName(inner) | AtomPayload::ResolvedByStructure(inner) => {
-                rust_type_for_decl_id(dag, *inner)
-            }
-            _ => panic!("rust_type_for_decl_id: unexpected atom {ap:?}"),
-        },
-        TypeConnective::Instantiation { template, .. } => {
-            let template_decl = dag.declaration(*template);
-            match template_decl.name.as_deref() {
-                Some("String") => "String".to_string(),
-                Some("Int") | Some("Int64") => "i64".to_string(),
-                other => panic!("unsupported instantiated type {other:?}"),
-            }
-        }
-        other => panic!("rust_type_for_decl_id: unsupported connective for field type: {other:?}"),
-    }
-}
-
-fn collect_keyword_rows(dag: &Dag, shared_syntax: &SharedSyntaxAuthority) -> Vec<(String, String)> {
-    let shared_keywords: BTreeSet<_> = shared_syntax.keywords.iter().cloned().collect();
-    let mut rows = collect_variant_labels(dag, "KeywordTokenKind")
-        .into_iter()
-        .map(|kind| {
-            let spelling = keyword_spelling_for_token_kind(&kind);
-            assert!(
-                shared_keywords.contains(&spelling),
-                "`KeywordTokenKind::{kind}` expects keyword `{spelling}`, \
-                 but `{SHARED_SYNTAX_FILE}` does not declare it in `dag_keyword_set`"
-            );
-            assert_token_kind_variant_exists(dag, &kind, "KeywordTokenKind");
-            (spelling, kind)
-        })
-        .collect::<Vec<_>>();
-    rows.sort_by(|a, b| a.0.cmp(&b.0));
-    rows
-}
-
-fn collect_punct_rows(dag: &Dag, shared_syntax: &SharedSyntaxAuthority) -> Vec<(String, String)> {
-    let punct_variants: BTreeSet<_> = collect_variant_labels(dag, "PunctTokenKind")
-        .into_iter()
-        .collect();
-    let mut rows = Vec::new();
-    let mut covered_kinds = BTreeSet::new();
-
-    for pattern in &shared_syntax.operators {
-        match classify_shared_operator_for_tokenizer(pattern, &shared_syntax.v3_supported_operators)
-        {
-            SharedOperatorTokenizerBoundary::Tokenized { kind } => {
-                assert!(
-                    punct_variants.contains(kind),
-                    "shared syntax operator `{pattern}` is classified as tokenizer punctuation \
-                     `PunctTokenKind::{kind}`, but `{TOKENIZE_AUTHORITY_FILE}` does not declare \
-                     that variant"
-                );
-                assert_token_kind_variant_exists(dag, kind, "PunctTokenKind");
-                assert!(
-                    covered_kinds.insert(kind.to_string()),
-                    "shared syntax operator `{pattern}` maps to duplicate punctuation kind \
-                     `PunctTokenKind::{kind}`"
-                );
-                rows.push((pattern.clone(), kind.to_string()));
-            }
-            SharedOperatorTokenizerBoundary::ParserOnlyDebt { reason } => {
-                assert!(
-                    !reason.is_empty(),
-                    "parser-only shared operator `{pattern}` should carry a dissolution note"
-                );
-            }
-        }
-    }
-
-    let shared_operator_patterns: BTreeSet<_> = shared_syntax.operators.iter().cloned().collect();
-    for decl in dag.declarations() {
-        let Some(name) = &decl.name else {
-            continue;
-        };
-        if !name.starts_with("local_punct_") {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        let pattern = extract_string_field(fields, "pattern");
-        assert!(
-            !shared_operator_patterns.contains(&pattern),
-            "tokenizer-local punctuation row `{name}` duplicates shared operator `{pattern}` \
-             from `{SHARED_SYNTAX_FILE}`"
-        );
-        let kind = extract_nullary_variant_field(fields, "kind", "PunctTokenKind", dag);
-        assert_token_kind_variant_exists(dag, &kind, "PunctTokenKind");
-        assert!(
-            covered_kinds.insert(kind.clone()),
-            "duplicate punctuation kind `PunctTokenKind::{kind}` across shared/local authority inputs"
-        );
-        rows.push((pattern, kind));
-    }
-
-    let mut seen_patterns = BTreeSet::new();
-    for (pattern, _) in &rows {
-        assert!(
-            seen_patterns.insert(pattern.clone()),
-            "duplicate punctuation pattern `{pattern}` across shared/local authority inputs"
-        );
-    }
-    let missing_kinds: Vec<_> = punct_variants.difference(&covered_kinds).cloned().collect();
-    assert!(
-        missing_kinds.is_empty(),
-        "`{TOKENIZE_AUTHORITY_FILE}` declares `PunctTokenKind` variants {:?} that are not covered \
-         by either the SG-1a shared-operator bridge or `local_punct_*` rows. Every punctuation \
-         kind must come from exactly one authority input so drift fails closed.",
-        missing_kinds
-    );
-    rows.sort_by(|a, b| a.0.cmp(&b.0));
-    rows
-}
-
-fn collect_variant_labels(dag: &Dag, type_name: &str) -> Vec<String> {
-    let decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some(type_name))
-        .unwrap_or_else(|| panic!("missing `{type_name}` declaration"));
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!("`{type_name}`: expected Disj");
-    };
-    variants
-        .iter()
-        .map(|variant| variant.label.clone())
-        .collect()
-}
-
-fn keyword_spelling_for_token_kind(kind: &str) -> String {
-    kind.strip_prefix("Kw")
-        .unwrap_or_else(|| panic!("keyword token kind `{kind}` should start with `Kw`"))
-        .to_ascii_lowercase()
-}
-
-// SG-1a operator bridge: shared operators still lower through raw-source reads.
-// `v3_supported_dag_operators` is the single support/exclusion projection; this
-// table only maps supported symbols to their current tokenizer variant.
-enum SharedOperatorTokenizerBoundary {
-    Tokenized { kind: &'static str },
-    ParserOnlyDebt { reason: &'static str },
-}
-
-fn classify_shared_operator_for_tokenizer(
-    pattern: &str,
-    v3_supported: &BTreeSet<String>,
-) -> SharedOperatorTokenizerBoundary {
-    if !v3_supported.contains(pattern) {
-        return SharedOperatorTokenizerBoundary::ParserOnlyDebt {
-            reason: "operator is declared in external dag_operators but excluded from \
-                     v3_supported_dag_operators until v3 parses it end-to-end",
-        };
-    }
-    match pattern {
-        "==" => SharedOperatorTokenizerBoundary::Tokenized { kind: "EqEq" },
-        "!=" => SharedOperatorTokenizerBoundary::Tokenized { kind: "NotEq" },
-        "<" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Lt" },
-        "<=" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Le" },
-        ">" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Gt" },
-        ">=" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Ge" },
-        "+" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Plus" },
-        "-" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Minus" },
-        "*" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Star" },
-        "/" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Slash" },
-        "&&" => SharedOperatorTokenizerBoundary::Tokenized { kind: "AmpAmp" },
-        "||" => SharedOperatorTokenizerBoundary::Tokenized { kind: "PipePipe" },
-        "|>" => SharedOperatorTokenizerBoundary::Tokenized { kind: "PipeArrow" },
-        "." => SharedOperatorTokenizerBoundary::Tokenized { kind: "Dot" },
-        other => panic!(
-            "`v3_supported_dag_operators` includes `{other}`, but the SG-1a tokenizer bridge has \
-             no TokenKind mapping for it. Add tokenizer/parser/operator support or remove it from \
-             the v3 projection."
-        ),
-    }
-}
-
-struct SharedSyntaxAuthority {
-    keywords: Vec<String>,
-    operators: Vec<String>,
-    v3_supported_operators: BTreeSet<String>,
-}
-
-impl SharedSyntaxAuthority {
-    fn from_authority(dag: &Dag, source: &str) -> Self {
-        let keywords = match data_body_named(dag, "dag_keyword_set") {
-            ValueBody::Map(entries) => entries
-                .entries()
-                .iter()
-                .map(|(key, _)| key.clone())
-                .collect(),
-            other => panic!("dag_keyword_set: expected ValueBody::Map, got {other:?}"),
-        };
-        let operators = parse_named_string_fields(
-            extract_balanced_section(source, "data dag_operators", '[', ']'),
-            "symbol",
-        );
-        let v3_supported_operators: BTreeSet<_> = parse_all_string_literals(
-            extract_balanced_section(source, "data v3_supported_dag_operators", '{', '}'),
-        )
-        .into_iter()
-        .collect();
-        Self {
-            keywords,
-            operators,
-            v3_supported_operators,
-        }
-    }
-}
-
-fn data_body_named<'a>(dag: &'a Dag, expected_name: &str) -> &'a ValueBody {
-    let decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some(expected_name))
-        .unwrap_or_else(|| panic!("missing `{expected_name}` data in `{SHARED_SYNTAX_FILE}`"));
-    decl.value_body
-        .as_ref()
-        .unwrap_or_else(|| panic!("`{expected_name}` has no lowered value body"))
-}
-
-fn extract_balanced_section<'a>(source: &'a str, anchor: &str, open: char, close: char) -> &'a str {
-    let anchor_idx = source
-        .find(anchor)
-        .unwrap_or_else(|| panic!("missing `{anchor}` in `{SHARED_SYNTAX_FILE}`"));
-    let tail = &source[anchor_idx..];
-    let open_rel = tail
-        .find(open)
-        .unwrap_or_else(|| panic!("missing `{open}` after `{anchor}` in `{SHARED_SYNTAX_FILE}`"));
-    let start = anchor_idx + open_rel;
-    let mut depth = 0usize;
-    for (offset, ch) in source[start..].char_indices() {
-        if ch == open {
-            depth += 1;
-        } else if ch == close {
-            depth -= 1;
-            if depth == 0 {
-                return &source[start + open.len_utf8()..start + offset];
-            }
-        }
-    }
-    panic!(
-        "unterminated `{}` section `{anchor}` in `{SHARED_SYNTAX_FILE}`",
-        open
-    );
-}
-
-fn parse_named_string_fields(section: &str, field_name: &str) -> Vec<String> {
-    let needle = format!("{field_name}:");
-    let mut out = Vec::new();
-    let mut rest = section;
-    while let Some(idx) = rest.find(&needle) {
-        let after_field = &rest[idx + needle.len()..];
-        let quote_idx = after_field.find('"').unwrap_or_else(|| {
-            panic!("missing string literal for `{field_name}` in `{SHARED_SYNTAX_FILE}`")
-        });
-        let (value, consumed) = parse_string_literal(&after_field[quote_idx..]);
-        out.push(value);
-        rest = &after_field[quote_idx + consumed..];
-    }
-    out
-}
-
-fn parse_all_string_literals(section: &str) -> Vec<String> {
-    let mut out = Vec::new();
-    let mut rest = section;
-    while let Some(idx) = rest.find('"') {
-        let (value, consumed) = parse_string_literal(&rest[idx..]);
-        out.push(value);
-        rest = &rest[idx + consumed..];
-    }
-    out
-}
-
-fn parse_string_literal(source: &str) -> (String, usize) {
-    assert!(
-        source.starts_with('"'),
-        "string literal parser expects to start at a quote"
-    );
-    let mut out = String::new();
-    let mut escaped = false;
-    for (idx, ch) in source[1..].char_indices() {
-        if escaped {
-            out.push(ch);
-            escaped = false;
-            continue;
-        }
-        match ch {
-            '\\' => escaped = true,
-            '"' => return (out, idx + 2),
-            other => out.push(other),
-        }
-    }
-    panic!("unterminated string literal while parsing `{SHARED_SYNTAX_FILE}`");
-}
-
-fn extract_nullary_variant_field(
-    fields: &[(String, FieldValue)],
-    key: &str,
-    expected_type_name: &str,
-    dag: &Dag,
-) -> String {
-    let fv = fields
-        .iter()
-        .find_map(|(k, v)| (k == key).then_some(v))
-        .unwrap_or_else(|| panic!("missing field {key}"));
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = fv
-    else {
-        panic!("field {key}: expected nullary variant value");
-    };
-    assert!(
-        payload.is_empty(),
-        "field {key}: expected nullary variant, got payload of len {}",
-        payload.len()
-    );
-
-    let expected_type_decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some(expected_type_name))
-        .unwrap_or_else(|| panic!("missing `{expected_type_name}` declaration"));
-    let TypeConnective::Disj { variants } = &expected_type_decl.connective else {
-        panic!("`{expected_type_name}`: expected Disj");
-    };
-    variants
-        .iter()
-        .find(|field| field.ty == *constructor)
-        .map(|field| field.label.clone())
-        .unwrap_or_else(|| {
-            panic!(
-                "field {key}: constructor id {:?} is not a variant of `{expected_type_name}`",
-                constructor
-            )
-        })
-}
-
-fn assert_token_kind_variant_exists(dag: &Dag, label: &str, source_type_name: &str) {
-    let token_kind_decl = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("TokenKind"))
-        .unwrap_or_else(|| panic!("missing `TokenKind` declaration"));
-    let TypeConnective::Disj { variants } = &token_kind_decl.connective else {
-        panic!("`TokenKind`: expected Disj");
-    };
-    assert!(
-        variants.iter().any(|field| field.label == label),
-        "`{source_type_name}` variant `{label}` has no matching `TokenKind` variant"
-    );
-}
-
-fn extract_string_field(fields: &[(String, FieldValue)], key: &str) -> String {
-    let fv = fields
-        .iter()
-        .find_map(|(k, v)| (k == key).then_some(v))
-        .unwrap_or_else(|| panic!("missing field {key}"));
-    match fv {
-        FieldValue::Literal(LiteralBits::String(s)) => s.clone(),
-        _ => panic!("field {key}: expected string literal"),
-    }
-}
-
-fn extract_int_field(fields: &[(String, FieldValue)], key: &str) -> i64 {
-    let fv = fields
-        .iter()
-        .find_map(|(k, v)| (k == key).then_some(v))
-        .unwrap_or_else(|| panic!("missing field {key}"));
-    match fv {
-        FieldValue::Literal(LiteralBits::Int(s)) => s.parse::<i64>().unwrap_or_else(|_| {
-            panic!("field {key}: expected int literal decimal string, got {s:?}")
-        }),
-        _ => panic!("field {key}: expected int literal"),
-    }
-}
-
-#[allow(clippy::too_many_arguments)] // Codegen: one projection bundle per `tokenize.dag` surface.
-fn emit_tokenize_fn(
-    keywords: &[(String, String)],
-    line_comment_prefix: &str,
-    string_delim_byte: u8,
-    diag_unterm_esc: &str,
-    diag_unterm_lit: &str,
-    diag_int_pre: &str,
-    diag_int_suf: &str,
-    escapes: &[(u8, i64)],
-    ascii_scan_order: &[String],
-    minus_infix_only_after: &[String],
-) -> String {
-    let ensure_classes = |required: &[&str]| {
-        for name in required {
-            assert!(
-                ascii_scan_order.iter().any(|class| class == name),
-                "`ascii_scan_order` in tokenize.dag missing `{name}`"
-            );
-        }
-    };
-    ensure_classes(&["Whitespace", "Digit", "IdentStart", "IdentContinue"]);
-
-    let mut arms = String::new();
-    for (spelling, kind) in keywords {
-        arms.push_str(&format!(
-            "                \"{}\" => TokenKind::{},\n",
-            spelling, kind
-        ));
-    }
-    let line_comment_lit = rust_byte_string_literal(line_comment_prefix);
-    let diag_esc = rust_string_literal_for_rust_source(diag_unterm_esc);
-    let int_pre = rust_string_literal_for_rust_source(diag_int_pre);
-    let int_suf = rust_string_literal_for_rust_source(diag_int_suf);
-    let delim_lit = rust_byte_literal(string_delim_byte);
-
-    let mut escape_arms = String::new();
-    for (suf, cp) in escapes {
-        escape_arms.push_str(&format!(
-            "                            {} => content.push(core::char::from_u32({}_u32).unwrap()),\n",
-            rust_byte_literal(*suf),
-            cp
-        ));
-    }
-
-    let mut s = String::new();
-    s.push_str(&emit_minus_prefixed_decimal_allowed(minus_infix_only_after));
-    s.push_str("pub fn tokenize(source: &str, file: &str) -> Result<Vec<Token>, Diagnostic> {\n");
-    s.push_str("    let bytes = source.as_bytes();\n");
-    s.push_str("    let mut pos: usize = 0;\n");
-    s.push_str("    let mut tokens = Vec::new();\n\n");
-    s.push_str(&format!(
-        "    const LINE_COMMENT_PREFIX: &[u8] = {};\n",
-        line_comment_lit
-    ));
-    s.push_str("    while pos < bytes.len() {\n");
-    s.push_str("        let byte = bytes[pos];\n\n");
-    s.push_str("        let start = pos;\n\n");
-    s.push_str(
-        "        if byte == b'-'\n            && bytes.get(pos + 1).is_some_and(|b| byte_matches(*b, ScannerCharClass::Digit))\n            && minus_prefixed_decimal_allowed(tokens.last().map(|t: &Token| &t.kind))\n        {\n",
-    );
-    s.push_str("            let mut end = pos + 1;\n");
-    s.push_str(
-        "            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::Digit) {\n",
-    );
-    s.push_str("                end += 1;\n");
-    s.push_str("            }\n");
-    s.push_str("            let literal = &source[pos + 1..end];\n");
-    s.push_str(
-        "            let magnitude: u128 = literal.parse().map_err(|_| Diagnostic::TokenizerError {\n",
-    );
-    s.push_str(&format!(
-        "                message: format!(\"{{}}{{}}{{}}\", {}, literal, {}),\n",
-        int_pre, int_suf
-    ));
-    s.push_str("                span: SourceSpan::new(file, start as u32, end as u32),\n");
-    s.push_str("                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(\"TokenizerError\"),\n");
-    s.push_str("            })?;\n");
-    s.push_str("            const MAX_SIGNED_ABS: u128 = 1u128 << 127;\n");
-    s.push_str("            if magnitude > MAX_SIGNED_ABS {\n");
-    s.push_str("                return Err(Diagnostic::TokenizerError {\n");
-    s.push_str(
-        "                    message: format!(\"integer literal out of range for signed decimal literal: `-{}` (|m| > 2^127)\", literal),\n",
-    );
-    s.push_str("                    span: SourceSpan::new(file, start as u32, end as u32),\n");
-    s.push_str("                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(\"TokenizerError\"),\n");
-    s.push_str("                });\n");
-    s.push_str("            }\n");
-    s.push_str("            let value = if magnitude == 0 {\n");
-    s.push_str("                \"0\".to_string()\n");
-    s.push_str("            } else {\n");
-    s.push_str("                format!(\"-{}\", magnitude)\n");
-    s.push_str("            };\n");
-    s.push_str("            tokens.push(Token {\n");
-    s.push_str("                kind: TokenKind::IntLit(value),\n");
-    s.push_str("                span: SourceSpan::new(file, start as u32, end as u32),\n");
-    s.push_str("            });\n");
-    s.push_str("            pos = end;\n");
-    s.push_str("            continue;\n");
-    s.push_str("        }\n\n");
-    for class in ascii_scan_order {
-        if class == "Whitespace" {
-            s.push_str("        if byte_matches(byte, ScannerCharClass::Whitespace) {\n");
-            s.push_str("            pos += 1;\n");
-            s.push_str("            continue;\n");
-            s.push_str("        }\n\n");
-        } else if class == "Digit" {
-            s.push_str("        if byte_matches(byte, ScannerCharClass::Digit) {\n");
-            s.push_str("            let mut end = pos;\n");
-            s.push_str(
-                "            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::Digit) {\n",
-            );
-            s.push_str("                end += 1;\n");
-            s.push_str("            }\n");
-            s.push_str("            let literal = &source[start..end];\n");
-            s.push_str(
-                "            let magnitude: u128 = literal.parse().map_err(|_| Diagnostic::TokenizerError {\n",
-            );
-            s.push_str(&format!(
-                "                message: format!(\"{{}}{{}}{{}}\", {}, literal, {}),\n",
-                int_pre, int_suf
-            ));
-            s.push_str("                span: SourceSpan::new(file, start as u32, end as u32),\n");
-            s.push_str("                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(\"TokenizerError\"),\n");
-            s.push_str("            })?;\n");
-            s.push_str("            let value = magnitude.to_string();\n");
-            s.push_str("            tokens.push(Token {\n");
-            s.push_str("                kind: TokenKind::IntLit(value),\n");
-            s.push_str("                span: SourceSpan::new(file, start as u32, end as u32),\n");
-            s.push_str("            });\n");
-            s.push_str("            pos = end;\n");
-            s.push_str("            continue;\n");
-            s.push_str("        }\n\n");
-        } else if class == "IdentStart" {
-            s.push_str("        if byte_matches(byte, ScannerCharClass::IdentStart) {\n");
-            s.push_str("            let mut end = pos;\n");
-            s.push_str(
-                "            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::IdentContinue) {\n",
-            );
-            s.push_str("                end += 1;\n");
-            s.push_str("            }\n");
-            s.push_str("            let text = &source[start..end];\n");
-            s.push_str("            let kind = match text {\n");
-            s.push_str(&arms);
-            s.push_str("                _ => TokenKind::Ident(text.to_string()),\n");
-            s.push_str("            };\n");
-            s.push_str("            tokens.push(Token {\n");
-            s.push_str("                kind,\n");
-            s.push_str("                span: SourceSpan::new(file, start as u32, end as u32),\n");
-            s.push_str("            });\n");
-            s.push_str("            pos = end;\n");
-            s.push_str("            continue;\n");
-            s.push_str("        }\n\n");
-        } else if class == "IdentContinue" {
-            s.push_str("        if byte_matches(byte, ScannerCharClass::IdentContinue) {\n");
-            s.push_str("            let mut end = pos;\n");
-            s.push_str(
-                "            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::IdentContinue) {\n",
-            );
-            s.push_str("                end += 1;\n");
-            s.push_str("            }\n");
-            s.push_str("            let text = &source[start..end];\n");
-            s.push_str("            let kind = match text {\n");
-            s.push_str(&arms);
-            s.push_str("                _ => TokenKind::Ident(text.to_string()),\n");
-            s.push_str("            };\n");
-            s.push_str("            tokens.push(Token {\n");
-            s.push_str("                kind,\n");
-            s.push_str("                span: SourceSpan::new(file, start as u32, end as u32),\n");
-            s.push_str("            });\n");
-            s.push_str("            pos = end;\n");
-            s.push_str("            continue;\n");
-            s.push_str("        }\n\n");
-        } else {
-            panic!(
-                "unsupported scanner class `{}` in `ascii_scan_order`",
-                class
-            );
-        }
-    }
-    s.push_str("        // Line comment prefix from `tokenize.dag` (`line_comment_prefix`).\n");
-    s.push_str("        if bytes.len() >= pos + LINE_COMMENT_PREFIX.len()\n");
-    s.push_str(
-        "            && bytes[pos..pos + LINE_COMMENT_PREFIX.len()].eq(LINE_COMMENT_PREFIX)\n",
-    );
-    s.push_str("        {\n");
-    s.push_str("            pos += LINE_COMMENT_PREFIX.len();\n");
-    s.push_str("            while pos < bytes.len() && bytes[pos] != b'\\n' {\n");
-    s.push_str("                pos += 1;\n");
-    s.push_str("            }\n");
-    s.push_str("            continue;\n");
-    s.push_str("        }\n\n");
-    s.push_str("        if let Some((kind, width)) = punctuation_token(bytes, pos) {\n");
-    s.push_str("            tokens.push(Token {\n");
-    s.push_str("                kind,\n");
-    s.push_str(
-        "                span: SourceSpan::new(file, start as u32, (start + width) as u32),\n",
-    );
-    s.push_str("            });\n");
-    s.push_str("            pos += width;\n");
-    s.push_str("            continue;\n");
-    s.push_str("        }\n\n");
-    s.push_str(
-        "        // String literal (`string_literal_delimiter` + `StringEscapeSpec` rows).\n",
-    );
-    s.push_str(&format!("        if byte == {} {{\n", delim_lit));
-    s.push_str("            let mut end = pos + 1;\n");
-    s.push_str("            let mut content = String::new();\n");
-    s.push_str("            let mut terminated = false;\n");
-    s.push_str("            while end < bytes.len() {\n");
-    s.push_str("                match bytes[end] {\n");
-    s.push_str(&format!("                    {} => {{\n", delim_lit));
-    s.push_str("                        terminated = true;\n");
-    s.push_str("                        end += 1;\n");
-    s.push_str("                        break;\n");
-    s.push_str("                    }\n");
-    s.push_str("                    b'\\\\' => {\n");
-    s.push_str("                        let Some(escaped) = bytes.get(end + 1).copied() else {\n");
-    s.push_str("                            return Err(Diagnostic::TokenizerError {\n");
-    s.push_str(&format!(
-        "                                message: {}.to_string(),\n",
-        diag_esc
-    ));
-    s.push_str("                                span: SourceSpan::new(file, start as u32, (end + 1) as u32),\n");
-    s.push_str("                                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(\"TokenizerError\"),\n");
-    s.push_str("                            });\n");
-    s.push_str("                        };\n");
-    s.push_str("                        match escaped {\n");
-    s.push_str(&escape_arms);
-    s.push_str("                            other => {\n");
-    s.push_str("                                content.push('\\\\');\n");
-    s.push_str("                                content.push(other as char);\n");
-    s.push_str("                            }\n");
-    s.push_str("                        }\n");
-    s.push_str("                        end += 2;\n");
-    s.push_str("                    }\n");
-    s.push_str("                    other => {\n");
-    s.push_str("                        content.push(other as char);\n");
-    s.push_str("                        end += 1;\n");
-    s.push_str("                    }\n");
-    s.push_str("                }\n");
-    s.push_str("            }\n");
-    s.push_str("            if !terminated {\n");
-    s.push_str("                return Err(Diagnostic::TokenizerError {\n");
-    s.push_str(&format!(
-        "                    message: {}.to_string(),\n",
-        rust_string_literal_for_rust_source(diag_unterm_lit)
-    ));
-    s.push_str("                    span: SourceSpan::new(file, start as u32, end as u32),\n");
-    s.push_str("                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(\"TokenizerError\"),\n");
-    s.push_str("                });\n");
-    s.push_str("            }\n");
-    s.push_str("            tokens.push(Token {\n");
-    s.push_str("                kind: TokenKind::StringLit(content),\n");
-    s.push_str("                span: SourceSpan::new(file, start as u32, end as u32),\n");
-    s.push_str("            });\n");
-    s.push_str("            pos = end;\n");
-    s.push_str("            continue;\n");
-    s.push_str("        }\n\n");
-    s.push_str("        return Err(Diagnostic::TokenizerError {\n");
-    s.push_str("            message: format!(\"unexpected byte `{}`\", byte as char),\n");
-    s.push_str("            span: SourceSpan::new(file, start as u32, (start + 1) as u32),\n");
-    s.push_str("            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(\"TokenizerError\"),\n");
-    s.push_str("        });\n");
-    s.push_str("    }\n\n");
-    s.push_str("    tokens.push(Token {\n");
-    s.push_str("        kind: TokenKind::Eof,\n");
-    s.push_str("        span: SourceSpan::new(file, bytes.len() as u32, bytes.len() as u32),\n");
-    s.push_str("    });\n");
-    s.push_str("    Ok(tokens)\n");
-    s.push_str("}\n\n");
-    s
-}
-
-fn emit_punctuation_token(puncts: &[(String, String)]) -> String {
-    let mut two = Vec::new();
-    let mut one = Vec::new();
-    for (pat, kind) in puncts {
-        let bs: Vec<u8> = pat.bytes().collect();
-        match bs.as_slice() {
-            [a, b] => two.push((*a, *b, kind.clone())),
-            [a] => one.push((*a, kind.clone())),
-            _ => panic!("unsupported punct width {} for {pat}", bs.len()),
-        };
-    }
-    two.sort_by(|a, b| (a.0, a.1).cmp(&(b.0, b.1)));
-    one.sort_by_key(|x| x.0);
-
-    let mut arms = String::new();
-    for (a, b, kind) in &two {
-        arms.push_str(&format!(
-            "        ({}, Some({})) => Some((TokenKind::{}, 2)),\n",
-            rust_byte_literal(*a),
-            rust_byte_literal(*b),
-            kind
-        ));
-    }
-    for (a, kind) in &one {
-        arms.push_str(&format!(
-            "        ({}, _) => Some((TokenKind::{}, 1)),\n",
-            rust_byte_literal(*a),
-            kind
-        ));
-    }
-    arms.push_str("        _ => None,\n");
-
-    format!(
-        "fn punctuation_token(bytes: &[u8], pos: usize) -> Option<(TokenKind, usize)> {{\n\
-    let first = bytes[pos];\n\
-    let second = bytes.get(pos + 1).copied();\n\
-    match (first, second) {{\n\
-{arms}    }}\n\
-}}\n"
-    )
-}
-
-fn rust_byte_literal(b: u8) -> String {
-    match b {
-        b'\'' => "b'\\''".to_string(),
-        b'\\' => "b'\\\\'".to_string(),
-        _ => format!("b'{}'", b as char),
-    }
-}
diff --git a/src/v3/compiler/src/self_host_receipt_p0.rs b/src/v3/compiler/src/self_host_receipt_p0.rs
deleted file mode 100644
index 8373644d405..00000000000
--- a/src/v3/compiler/src/self_host_receipt_p0.rs
+++ /dev/null
@@ -1,117 +0,0 @@
-//! P0 prerequisite pin: stable top-level JSON keys in `target/self_host/receipt.json`.
-//!
-//! Authority (workspace-root paths as code — not file-relative rustdoc URLs):
-//! `docs/briefs/r3-pb-t-fixedpoint-worker.md` §P0 readiness checklist (DB-8 mechanical ratchet);
-//! `docs/db-history/db-8.md`; `docs/design-fixed-point-ratchet.md`.
-//! `self_host_fixed_point` consumes these identifiers so renames are deliberate (trend readers / DB-8).
-
-/// Pipeline snapshot fixed-point on [`crate::default_fixed_point_source`] (always `ok` when the binary runs past that stage).
-pub const K_PIPELINE_FIXED_POINT_DEFAULT_SOURCE: &str = "pipeline_fixed_point_default_source";
-
-/// `dsl/gunbc/compiler.dag` parse outcome under v3 (`ok` or encoded error string).
-pub const K_COMPILER_DAG_V3_PARSE: &str = "compiler_dag_v3_parse";
-
-/// Overall receipt status (`completed` or `failed_self_host_slice` today).
-pub const K_STATUS: &str = "status";
-
-/// Keys emitted on every path (parse failure still includes pipeline + parse + status).
-pub const ALWAYS_EMITTED_TOP_LEVEL_KEYS: &[&str] = &[
-    K_PIPELINE_FIXED_POINT_DEFAULT_SOURCE,
-    K_COMPILER_DAG_V3_PARSE,
-    K_STATUS,
-];
-
-/// Serialized top-level property opener emitted by `self_host_fixed_point` today
-/// (`src/v3/compiler/src/bin/self_host_fixed_point.rs`, `run`): two ASCII spaces, `"`, key, `":`
-/// — same shape as `format!("  \"{}\":"` / `format!("  \"{}\": {},\n", …` using
-/// `K_PIPELINE_FIXED_POINT_DEFAULT_SOURCE`, `K_COMPILER_DAG_V3_PARSE`, and `K_STATUS` (and the
-/// parse-error branch). If the emitter changes indentation or switches to `serde_json` pretty-print
-/// with different spacing, update this needle in the same change.
-///
-/// **Emitter anchors in `run` (search for `receipt_p0::K_` on `receipt`):**
-/// 1. **Pipeline** — first field after `{`: `format!(..., K_PIPELINE_FIXED_POINT_DEFAULT_SOURCE)` with
-///    a string literal value (`"ok"`).
-/// 2. **`compiler_dag_v3_parse`** — `match` `Ok`: `format!(..., K_COMPILER_DAG_V3_PARSE)` + `"ok"`; `Err`:
-///    `format!(..., K_COMPILER_DAG_V3_PARSE, json_string(&msg))`.
-/// 3. **`status`** — last field before closing `}`: `format!(..., K_STATUS, json_string(exit_status))`.
-///
-/// **False positives:** a `contains` needle could match inside a quoted JSON value; the fixed
-/// snake_case P0 key names and the receipt's flat object shape keep that risk negligible for this
-/// bounded DB-8 trend surface.
-fn top_level_property_needle(key: &str) -> String {
-    let mut needle = String::with_capacity(key.len() + 8);
-    needle.push_str("  \"");
-    needle.push_str(key);
-    needle.push_str("\":");
-    needle
-}
-
-fn missing_always_emitted_key_properties(json_body: &str) -> Vec<&'static str> {
-    ALWAYS_EMITTED_TOP_LEVEL_KEYS
-        .iter()
-        .copied()
-        .filter(|key| !json_body.contains(&top_level_property_needle(key)))
-        .collect()
-}
-
-/// Every [`ALWAYS_EMITTED_TOP_LEVEL_KEYS`] entry must appear as a top-level JSON property using
-/// [`top_level_property_needle`]'s shape so the serialized receipt cannot drift from the P0 pin
-/// without failing closed before `write_receipt`. Sole public entry point for this contract check.
-pub fn validate_receipt_json_always_emitted_keys(json_body: &str) -> Result<(), String> {
-    let missing = missing_always_emitted_key_properties(json_body);
-    if missing.is_empty() {
-        Ok(())
-    } else {
-        Err(format!(
-            "receipt.json missing always-emitted P0 keys: {}",
-            missing.join(", ")
-        ))
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use std::collections::HashSet;
-
-    #[test]
-    fn always_emitted_keys_are_unique_nonempty() {
-        let mut seen = HashSet::new();
-        for key in super::ALWAYS_EMITTED_TOP_LEVEL_KEYS {
-            assert!(!key.is_empty(), "empty key");
-            assert!(seen.insert(*key), "duplicate key {key}");
-        }
-    }
-
-    #[test]
-    fn validate_accepts_minimal_receipt_shape() {
-        let body = r#"{
-  "pipeline_fixed_point_default_source": "ok",
-  "compiler_dag_v3_parse": "ok",
-  "status": "completed"
-}
-"#;
-        super::validate_receipt_json_always_emitted_keys(body).unwrap();
-    }
-
-    #[test]
-    fn validate_rejects_missing_pipeline_key() {
-        let body = r#"{
-  "compiler_dag_v3_parse": "ok",
-  "status": "completed"
-}
-"#;
-        let err = super::validate_receipt_json_always_emitted_keys(body).unwrap_err();
-        assert!(err.contains("pipeline_fixed_point_default_source"), "{err}");
-    }
-
-    #[test]
-    fn validate_rejects_missing_status_key() {
-        let body = r#"{
-  "pipeline_fixed_point_default_source": "ok",
-  "compiler_dag_v3_parse": "x",
-}
-"#;
-        let err = super::validate_receipt_json_always_emitted_keys(body).unwrap_err();
-        assert!(err.contains("status"), "{err}");
-    }
-}
diff --git a/src/v3/compiler/src/serialize_generated.rs b/src/v3/compiler/src/serialize_generated.rs
deleted file mode 100644
index 03b089220e5..00000000000
--- a/src/v3/compiler/src/serialize_generated.rs
+++ /dev/null
@@ -1,210 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/parse_surface.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct DagDifference {
-    pub detail: String,
-}
-
-pub fn serialize_dag(dag: &Dag) -> Vec<u8> {
-    let mut out = String::new();
-    out.push_str(&format!(
-        "APPEND_BEGIN {}\n",
-        dag.post_bootstrap_declaration_append_begin()
-    ));
-    for declaration in dag.declarations() {
-        out.push_str(&format!(
-            "DECL {} {:?}\n",
-            declaration.id.raw(),
-            declaration
-        ));
-    }
-    for behavior in dag.nodes() {
-        out.push_str(&serialize_behavior(behavior));
-    }
-    for port in dag.ports() {
-        out.push_str(&format!("PORT {} {:?}\n", port.id().raw(), port));
-    }
-    let mut diagnostics: Vec<_> = dag.diagnostics().iter().collect();
-    diagnostics.sort_by_key(|(port, _)| port.raw());
-    for (port, diagnostic) in diagnostics {
-        out.push_str(&format!(
-            "DIAG port={} {}\n",
-            port.raw(),
-            render_diagnostic(diagnostic)
-        ));
-    }
-    out.into_bytes()
-}
-
-pub fn first_difference(lhs: &Dag, rhs: &Dag) -> Option<DagDifference> {
-    if lhs.post_bootstrap_declaration_append_begin() != rhs.post_bootstrap_declaration_append_begin()
-    {
-        return Some(DagDifference {
-            detail: format!(
-                "declaration append begin mismatch: pass1={}, pass2={}",
-                lhs.post_bootstrap_declaration_append_begin(),
-                rhs.post_bootstrap_declaration_append_begin(),
-            ),
-        });
-    }
-
-    let lhs_decls = lhs.declarations();
-    let rhs_decls = rhs.declarations();
-    if lhs_decls.len() != rhs_decls.len() {
-        return Some(DagDifference {
-            detail: format!(
-                "declaration count mismatch: pass1={}, pass2={}",
-                lhs_decls.len(),
-                rhs_decls.len()
-            ),
-        });
-    }
-    for (left, right) in lhs_decls.iter().zip(rhs_decls.iter()) {
-        if format!("{left:?}") != format!("{right:?}") {
-            let name = left
-                .name
-                .as_deref()
-                .or(right.name.as_deref())
-                .unwrap_or("<anonymous>");
-            return Some(DagDifference {
-                detail: format!(
-                    "declaration {} `{}` diverged: pass1=`{:?}`, pass2=`{:?}`",
-                    left.id.raw(),
-                    name,
-                    left,
-                    right
-                ),
-            });
-        }
-    }
-
-    let lhs_nodes = lhs.nodes();
-    let rhs_nodes = rhs.nodes();
-    if lhs_nodes.len() != rhs_nodes.len() {
-        return Some(DagDifference {
-            detail: format!(
-                "behavior count mismatch: pass1={}, pass2={}",
-                lhs_nodes.len(),
-                rhs_nodes.len()
-            ),
-        });
-    }
-    for (left, right) in lhs_nodes.iter().zip(rhs_nodes.iter()) {
-        if format!("{left:?}") != format!("{right:?}") {
-            return Some(DagDifference {
-                detail: format!("behavior diverged: pass1=`{:?}`, pass2=`{:?}`", left, right),
-            });
-        }
-    }
-
-    let lhs_clusters = lhs.clusters();
-    let rhs_clusters = rhs.clusters();
-    if lhs_clusters.len() != rhs_clusters.len() {
-        return Some(DagDifference {
-            detail: format!(
-                "cluster count mismatch: pass1={}, pass2={}",
-                lhs_clusters.len(),
-                rhs_clusters.len()
-            ),
-        });
-    }
-    for (left, right) in lhs_clusters.iter().zip(rhs_clusters.iter()) {
-        if format!("{left:?}") != format!("{right:?}") {
-            return Some(DagDifference {
-                detail: format!("cluster diverged: pass1=`{:?}`, pass2=`{:?}`", left, right),
-            });
-        }
-    }
-
-    let lhs_ports = lhs.ports();
-    let rhs_ports = rhs.ports();
-    if lhs_ports.len() != rhs_ports.len() {
-        return Some(DagDifference {
-            detail: format!(
-                "port count mismatch: pass1={}, pass2={}",
-                lhs_ports.len(),
-                rhs_ports.len()
-            ),
-        });
-    }
-    for (left, right) in lhs_ports.iter().zip(rhs_ports.iter()) {
-        if format!("{left:?}") != format!("{right:?}") {
-            return Some(DagDifference {
-                detail: format!("port diverged: pass1=`{:?}`, pass2=`{:?}`", left, right),
-            });
-        }
-    }
-
-    let mut lhs_diags: Vec<_> = lhs.diagnostics().iter().collect();
-    let mut rhs_diags: Vec<_> = rhs.diagnostics().iter().collect();
-    lhs_diags.sort_by_key(|(port, _)| port.raw());
-    rhs_diags.sort_by_key(|(port, _)| port.raw());
-    if lhs_diags.len() != rhs_diags.len() {
-        return Some(DagDifference {
-            detail: format!(
-                "diagnostic count mismatch: pass1={}, pass2={}",
-                lhs_diags.len(),
-                rhs_diags.len()
-            ),
-        });
-    }
-    for ((left_port, left_diag), (right_port, right_diag)) in lhs_diags.iter().zip(rhs_diags.iter())
-    {
-        let left = format!(
-            "DIAG port={} {}",
-            left_port.raw(),
-            render_diagnostic(left_diag)
-        );
-        let right = format!(
-            "DIAG port={} {}",
-            right_port.raw(),
-            render_diagnostic(right_diag)
-        );
-        if left != right {
-            return Some(DagDifference {
-                detail: format!("diagnostic diverged: pass1=`{left}`, pass2=`{right}`"),
-            });
-        }
-    }
-
-    let mut lhs_optional_match_disjs: Vec<_> = lhs.optional_match_disjs().iter().collect();
-    let mut rhs_optional_match_disjs: Vec<_> = rhs.optional_match_disjs().iter().collect();
-    lhs_optional_match_disjs.sort_by_key(|(key, _)| key.raw());
-    rhs_optional_match_disjs.sort_by_key(|(key, _)| key.raw());
-    if lhs_optional_match_disjs.len() != rhs_optional_match_disjs.len() {
-        return Some(DagDifference {
-            detail: format!(
-                "optional_match_disjs count mismatch: pass1={}, pass2={}",
-                lhs_optional_match_disjs.len(),
-                rhs_optional_match_disjs.len()
-            ),
-        });
-    }
-    for ((left_key, left_value), (right_key, right_value)) in lhs_optional_match_disjs
-        .iter()
-        .zip(rhs_optional_match_disjs.iter())
-    {
-        if left_key != right_key || left_value != right_value {
-            return Some(DagDifference {
-                detail: format!(
-                    "optional_match_disjs diverged: pass1=`({}, {})`, pass2=`({}, {})`",
-                    left_key.raw(),
-                    left_value.raw(),
-                    right_key.raw(),
-                    right_value.raw()
-                ),
-            });
-        }
-    }
-
-    None
-}
-
-fn serialize_behavior(behavior: &Behavior) -> String {
-    format!("BEHAV {:?}\n", behavior)
-}
-
-fn render_diagnostic(diagnostic: &Diagnostic) -> String {
-    format!("{diagnostic:?}")
-}
diff --git a/src/v3/compiler/src/test_runner.rs b/src/v3/compiler/src/test_runner.rs
deleted file mode 100644
index 320c5cf8c92..00000000000
--- a/src/v3/compiler/src/test_runner.rs
+++ /dev/null
@@ -1,8144 +0,0 @@
-use std::collections::BTreeSet;
-use std::io::Write;
-use std::process::{Command, Stdio};
-use std::time::{Duration, Instant};
-
-use crate::cementing_dispatch;
-use crate::dag::{
-    AtomPayload, Behavior, BindNode, Dag, Declaration, DeclarationId, FieldValue, LiteralBits,
-    NodeId, ParallelismUnsupportedKind, Path, PortId, PortState, SymbolicCost, TypeConnective,
-    ValueBody, WorkflowIdempotencyReport, WorkflowParallelismReport,
-};
-use crate::diagnostics::Diagnostic;
-use crate::emit::python_target::last_emit_python_program_top_level_value_bind_name;
-use crate::emit::rust_target::last_emit_rust_program_top_level_value_bind_name;
-use crate::emit::{emit_go_text, emit_python_text, last_emit_go_program_top_level_value_bind_name};
-use crate::evaluator::{
-    evaluate_body, EvalError, EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder, Value,
-};
-use crate::generated_files::GENERATED_FILES;
-use crate::infer::type_shapes_equivalent;
-use crate::lens_cost::{cost_of, CostLookup};
-use crate::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-use crate::lens_cost_target_realization::type_realization_meta;
-use crate::lens_declaration_apply::{
-    apply_lens_declaration, field_value_from_value_body, int_associativity_holds_all_triples,
-    int_identity_witness_holds, reflect_program_dag_nodes_in_file, ASSOCIATIVITY_WITNESS_TRIPLES,
-    COMMUTATIVITY_WITNESS_PAIRS, IDENTITY_WITNESS_CANDIDATES, IDENTITY_WITNESS_SAMPLES,
-};
-use crate::lens_effect_enumeration::{enumerate_effects, TransactionalPattern};
-use crate::lens_provenance::{origin_of, Origin};
-use crate::lens_structural_resolution;
-use crate::lens_unused_parameters::{UnusedParametersConfig, UnusedParametersLens};
-use crate::types::TypeShape;
-use crate::{
-    analyze_parallelism, analyze_symbolic_cost_dimension, analyze_workflow,
-    compare_stage_snapshots, compile_stage_snapshots, compile_to_dag, default_fixed_point_source,
-    CompileError, DimensionReport,
-};
-
-const SG0_CENSUS_SOURCE: &str = include_str!(concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/tests/integration/self_gen0_census_test.rs"
-));
-const INFER_HELPERS_SOURCE: &str = include_str!(concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/../lenses/infer_helpers.dag"
-));
-
-/// `.dag` path for [`TestPredicate::SubstrateResearchDeferredClaim`] (TC1 / R2 substrate research).
-/// The runner fail-closes unless the `TestClaim` is declared in this fixture file.
-const TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE: &str =
-    "src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_deferred.dag";
-
-/// §1.8 gate #11 — canonical `TestClaim.name` for TC1 η-equivalence executable slice.
-const TC1_ETA_EQUIVALENCE_EXECUTABLE_CLAIM: &str = "tc1_eta_equivalence_executable";
-
-/// `TestClaim.source` programs must expose these 0-arity entry binds for the runner to locate
-/// workflow roots (`analyze_symbolic_cost_dimension` per Path A / E6-G1.a static representative).
-const TC1_ETA_EXECUTABLE_DIRECT_ENTRY: &str = "tc1_eta_exec_direct";
-const TC1_ETA_EXECUTABLE_ETA_ENTRY: &str = "tc1_eta_exec_eta_expanded";
-
-/// Fixture suffix for [`TC1_ETA_EQUIVALENCE_EXECUTABLE_CLAIM`] — fail-closed vs stray reuse of the
-/// canonical claim name outside the strict-fire module.
-const TC1_SUBSTRATE_LENS_ETA_STRICT_FIRE_FIXTURE_SUFFIX: &str =
-    "tc1_substrate_lens_eta_equivalence_strict_fire.dag";
-
-/// R3 gate #12 strict-fire (`tc2_church_rosser_strict_fire.dag`): `BinaryDimensionReportEquals`
-/// payload must reference these **fixture-local** `DimensionReport<Dag>` role declarations (not
-/// the deferred `tc2_leftfirst_strategy_dimension_report` names) so routing is keyed off declared
-/// predicate edges per INVARIANTS P2.
-const TC2_CHURCH_ROSSER_STRICT_FIRE_LEFT_REPORT: &str =
-    "tc2_church_rosser_strict_fire_left_dimension_report";
-const TC2_CHURCH_ROSSER_STRICT_FIRE_RIGHT_REPORT: &str =
-    "tc2_church_rosser_strict_fire_right_dimension_report";
-
-/// R3 §1.8 gate #13 — canonical `TestClaim.name` for the TC3 Pattern-A second-mover executable.
-const TC3_PATTERN_A_SECOND_MOVER_EXECUTABLE_CLAIM: &str = "tc3_pattern_a_second_mover_executable";
-
-/// `TC3_PATTERN_A_*_REPORT`: fixture-local `DimensionReport<Dag>` role declarations (carrier `Dag`
-/// per Q-Reification Option A) the runner pattern-matches to dispatch the gate-#13 executable
-/// arm. Names mirror `tc3_strong_normalization_strict_fire.dag` lines 41-42.
-const TC3_PATTERN_A_BASELINE_REPORT: &str = "tc3_evaluation_step_baseline_dimension_report";
-const TC3_PATTERN_A_COMPARE_REPORT: &str = "tc3_evaluation_step_compare_dimension_report";
-
-/// Dimension-name keys for the TC3 second-mover bounded-runner reports. Distinct strings so the
-/// equivalence check sees a non-vacuous projection-pair (baseline eval-step vs compare /
-/// termination-evidence projection).
-const TC3_PATTERN_A_BASELINE_DIMENSION_NAME: &str = "tc3_pattern_a_second_mover:eval_step:baseline";
-const TC3_PATTERN_A_COMPARE_DIMENSION_NAME: &str = "tc3_pattern_a_second_mover:eval_step:compare";
-
-/// R3 gate #43 (`LensOutputEquals` witness in `r3_free_consequences_first_batch.dag`).
-///
-/// Compared as `Some(R3_PARALLEL_EMIT_WITNESS_LENS_NAME)` — **not** `Some("…")` inline — so
-/// `canonical_lens_name_dispatch_arms_pinned` does not treat this as a new string-literal name
-/// dispatch arm on the canonical lens bridge (see disposition:
-/// `docs/briefs/r2-pb-canonical-lens-bridge-disposition.md`).
-const R3_PARALLEL_EMIT_WITNESS_LENS_NAME: &str = "r3_auto_parallelism_parallel_emit_witness";
-
-/// R3 gate #45 (`LensOutputEquals` witness in `r3_free_consequences_first_batch.dag`).
-///
-/// Compared as `Some(R3_BRANCH_ARMS_SERIALIZE_WITNESS_LENS_NAME)` — **not** `Some("…")` inline —
-/// so `canonical_lens_name_dispatch_arms_pinned` does not treat this as a new string-literal name
-/// dispatch arm on the canonical lens bridge.
-const R3_BRANCH_ARMS_SERIALIZE_WITNESS_LENS_NAME: &str =
-    "r3_auto_parallelism_branch_arms_serialize_witness";
-
-/// R3 gate #50 (`LensOutputEquals` witness in `r3_free_consequences_first_batch.dag`).
-///
-/// A one-shot pure call may emit a direct call / inlined expression, but must not introduce
-/// memoization scaffolding. Repeated-call caching remains deferred to the purity+cost lens
-/// composition producer.
-const R3_ONE_SHOT_NO_MEMO_WITNESS_LENS_NAME: &str = "r3_auto_memoization_one_shot_no_cache_witness";
-// L5 scaffold: this duplicates the fixture marker type names until
-// `std.verification.ForAllTargets` carries a typed target/toolchain edge set.
-const L5_REQUIRED_TOOLCHAINS: &[&str] =
-    &["L5RustcToolchain", "L5Python3Toolchain", "L5GoToolchain"];
-
-/// Host-written forward fold for structural depth costs (see `src/v3/lenses/complexity.dag`).
-///
-/// T-LaneE `DifferentialEquals` compares this receipt to [`crate::lens_cost::cost_of`] (emit output
-/// from the same `.dag`). The implementations are **independently maintained** so the gate can
-/// fail if the generator drifts from the spec (P3 / api-review #764).
-///
-/// D1 `apply_lens_declaration` on canonical `cost_of` is **not** used: lowering that lens
-/// introduces substrate `Loop` for list recursion, and [`crate::lens_declaration_apply::EvalCtx::eval_loop`]
-/// returns [`crate::lens_declaration_apply::LensApplyError::UnimplementedLoopBound`] until iteration semantics
-/// land. **Dissolution:** delete this host mirror once D1 can interpret those `Loop` nodes and route
-/// `v3_program_cost` through `apply_lens_declaration` on `cost_of`.
-type LaneEHostCostAcc = Vec<(PortId, CostLookup)>;
-
-fn lane_e_host_forward_cost_of(dag: &Dag, port: &PortId) -> CostLookup {
-    lane_e_host_lookup_cost(&lane_e_host_compute_costs(dag.nodes()), port)
-}
-
-fn lane_e_host_compute_costs(nodes: &[Behavior]) -> LaneEHostCostAcc {
-    // Prepend via `insert(0, …)` matches `complexity_lens_generated` cons order so `lane_e_host_lookup_cost`
-    // agrees with emit (first match wins; order only matters if duplicate ports shadow). Do not
-    // reorder without a parity check — delete this receipt once D1 runs canonical `cost_of`.
-    let mut acc = lane_e_host_seed_bind_params(nodes);
-    for behavior in nodes {
-        let entry = lane_e_host_entry_for(&acc, behavior);
-        acc.insert(0, entry);
-    }
-    acc
-}
-
-fn lane_e_host_seed_bind_params(nodes: &[Behavior]) -> LaneEHostCostAcc {
-    match nodes {
-        [] => Vec::new(),
-        [head, tail @ ..] => {
-            let mut left = lane_e_host_params_of(head);
-            left.extend(lane_e_host_seed_bind_params(tail));
-            left
-        }
-    }
-}
-
-fn lane_e_host_params_of(behavior: &Behavior) -> LaneEHostCostAcc {
-    match behavior {
-        Behavior::Value(_) | Behavior::Transform(_) | Behavior::Branch(_) | Behavior::Loop(_) => {
-            Vec::new()
-        }
-        Behavior::Bind(bind) => lane_e_host_param_entries(&bind.params),
-    }
-}
-
-fn lane_e_host_param_entries(params: &[PortId]) -> LaneEHostCostAcc {
-    match params {
-        [] => Vec::new(),
-        [head, tail @ ..] => {
-            let mut list = lane_e_host_param_entries(tail);
-            list.insert(0, (*head, CostLookup::Hit(0)));
-            list
-        }
-    }
-}
-
-fn lane_e_host_entry_for(acc: &LaneEHostCostAcc, behavior: &Behavior) -> (PortId, CostLookup) {
-    match behavior {
-        Behavior::Value(v) => (v.result_port(), CostLookup::Hit(0)),
-        Behavior::Transform(t) => (
-            t.result_port(),
-            lane_e_host_add_one(&lane_e_host_sum_costs(acc, &t.inputs)),
-        ),
-        Behavior::Branch(b) => (
-            b.result_port(),
-            lane_e_host_add_one(&lane_e_host_add_cost(
-                &lane_e_host_lookup_cost(acc, &b.input),
-                &lane_e_host_max_path_cost(acc, &b.paths),
-            )),
-        ),
-        Behavior::Loop(l) => (
-            l.result_port(),
-            lane_e_host_add_one(&lane_e_host_add_cost(
-                &lane_e_host_lookup_cost(acc, &l.source),
-                &lane_e_host_lookup_cost(acc, &l.init),
-            )),
-        ),
-        Behavior::Bind(bind) => {
-            let rp = bind.result_port();
-            (rp, lane_e_host_lookup_cost(acc, &rp))
-        }
-    }
-}
-
-fn lane_e_host_sum_costs(acc: &LaneEHostCostAcc, ports: &[PortId]) -> CostLookup {
-    ports.iter().fold(CostLookup::Hit(0), |sum, port_id| {
-        lane_e_host_add_cost(&sum, &lane_e_host_lookup_cost(acc, port_id))
-    })
-}
-
-fn lane_e_host_max_path_cost(acc: &LaneEHostCostAcc, paths: &[Path]) -> CostLookup {
-    paths.iter().fold(CostLookup::Hit(0), |best, path| {
-        lane_e_host_max_cost(&best, &lane_e_host_lookup_cost(acc, &path.output))
-    })
-}
-
-fn lane_e_host_lookup_cost(acc: &[(PortId, CostLookup)], port_id: &PortId) -> CostLookup {
-    match acc.split_first() {
-        None => CostLookup::Miss,
-        Some(((port, cost), tail)) => {
-            if port == port_id {
-                cost.clone()
-            } else {
-                lane_e_host_lookup_cost(tail, port_id)
-            }
-        }
-    }
-}
-
-fn lane_e_host_add_one(c: &CostLookup) -> CostLookup {
-    match c {
-        CostLookup::Miss => CostLookup::Miss,
-        CostLookup::Hit(n) => CostLookup::Hit(n + 1),
-    }
-}
-
-fn lane_e_host_add_cost(a: &CostLookup, b: &CostLookup) -> CostLookup {
-    match a {
-        CostLookup::Miss => CostLookup::Miss,
-        CostLookup::Hit(x) => match b {
-            CostLookup::Miss => CostLookup::Miss,
-            CostLookup::Hit(y) => CostLookup::Hit(*x + *y),
-        },
-    }
-}
-
-fn lane_e_host_max_cost(a: &CostLookup, b: &CostLookup) -> CostLookup {
-    match a {
-        CostLookup::Miss => CostLookup::Miss,
-        CostLookup::Hit(x) => match b {
-            CostLookup::Miss => CostLookup::Miss,
-            CostLookup::Hit(y) => CostLookup::Hit((*x).max(*y)),
-        },
-    }
-}
-
-/// T-LaneE `DifferentialEquals` cost lineage: **v3** = host forward fold (spec mirror above);
-/// **v2** = Rust-generated [`cost_of`] (`complexity_lens_generated`).
-fn eval_lane_e_differential_cost_lineage(
-    lineage_name: &str,
-    program_dag: &Dag,
-    bind_port: PortId,
-) -> Result<CostLookup, String> {
-    match lineage_name {
-        "v3_program_cost" => Ok(lane_e_host_forward_cost_of(program_dag, &bind_port)),
-        "v2_oracle_cost" => Ok(cost_of(program_dag, &bind_port)),
-        _ => Err(format!(
-            "unsupported lineage `{lineage_name}` for T-LaneE `DifferentialEquals` cost (expected `v3_program_cost` or `v2_oracle_cost`)"
-        )),
-    }
-}
-
-fn w1_parse_single_int_stdout_carve_out(stdout: &str) -> Result<i64, String> {
-    let trimmed = stdout.trim();
-    if trimmed.is_empty() {
-        return Err(
-            "W1 rust_emit_output: empty stdout after trim (transitional Int-only stdout parse \
-             carve-out authorized for slice-1 only; dissolution: substrate `ProgramObservation<Value>` \
-             + observation-channel / `ValueKind` per `docs/briefs/r3-pr-e8-w1-output-producer-contract-blocker.md`)"
-                .to_string(),
-        );
-    }
-    let parts: Vec<&str> = trimmed.split_whitespace().collect();
-    if parts.len() != 1 {
-        return Err(format!(
-            "W1 rust_emit_output: stdout must be exactly one integer token (transitional carve-out); \
-             got {parts:?} (dissolution: typed observation channel + `ValueKind`)"
-        ));
-    }
-    parts[0].parse::<i64>().map_err(|_| {
-        format!(
-            "W1 rust_emit_output: stdout token `{}` is not a valid i64 (transitional Int-only carve-out)",
-            parts[0]
-        )
-    })
-}
-
-/// RAII guard: delete the W1 rustc scratch directory on return or panic (best-effort `remove_dir_all`).
-struct W1RustEmitScratchGuard {
-    dir: std::path::PathBuf,
-}
-
-impl W1RustEmitScratchGuard {
-    fn new(dir: std::path::PathBuf) -> Self {
-        Self { dir }
-    }
-}
-
-impl Drop for W1RustEmitScratchGuard {
-    fn drop(&mut self) {
-        let _ = std::fs::remove_dir_all(&self.dir);
-    }
-}
-
-fn w1_rust_emit_output_int(
-    program_dag: &Dag,
-    output_bind: &BindNode,
-    claim_file: &str,
-) -> Result<i64, String> {
-    // **Transitional producer identity (contract 1):** only the spelling `rust_emit_output` is
-    // accepted at the `DifferentialEquals` subject/oracle `DeclarationRef` site, fail-closed
-    // elsewhere in `eval_differential_equals`. **Dissolution:** substrate producer-role markers
-    // replace name-keyed recognition (`docs/briefs/r3-pr-e8-w1-output-producer-contract-blocker.md`).
-    let last_bind = match last_emit_rust_program_top_level_value_bind_name(program_dag) {
-        Ok(Some(name)) => name,
-        Ok(None) => {
-            return Err(
-                "W1 rust_emit_output: compiled program has no top-level value binds (emit_rust program \
-                 mode requires at least one); dissolution: PB-Runtime-generated target-language tests"
-                    .to_string(),
-            );
-        }
-        Err(e) => {
-            return Err(format!(
-                "W1 rust_emit_output: cannot resolve emit-rust print target (same `RealizationIndexes` \
-                 path as `emit_rust_with_mode`): {e:?}"
-            ));
-        }
-    };
-    if last_bind != output_bind.name {
-        return Err(format!(
-            "W1 rust_emit_output: `ProgramOutputBind.output_ref` must name the **last** top-level \
-             value bind after `source_filtering` (same bind `emit_rust` program-mode `main` prints; \
-             see `last_emit_rust_program_top_level_value_bind_name`) — expected `{last_bind}`, got `{}` \
-             (claim file `{claim_file}`; transitional coupling; dissolution: PB-Runtime harness + typed \
-             observation channel)",
-            output_bind.name
-        ));
-    }
-    let rust_src = std::thread::scope(|s| -> Result<String, String> {
-        let handle = std::thread::Builder::new()
-            .stack_size(8 * 1024 * 1024)
-            .spawn_scoped(s, || crate::emit_rust::emit_rust(program_dag))
-            .map_err(|e| format!("W1 rust_emit_output: spawn emit worker: {e}"))?;
-        let joined = handle
-            .join()
-            .map_err(|_| "W1 rust_emit_output: emit worker panicked".to_string())?;
-        joined.map_err(|e| {
-            format!(
-                "W1 rust_emit_output: emit_rust failed (use #1485-approved `emit_rust` / `emit_rust_with_mode` path only; dissolution: PB-Runtime-generated tests): {e:?}"
-            )
-        })
-    })?;
-    let stamp = std::time::SystemTime::now()
-        .duration_since(std::time::UNIX_EPOCH)
-        .map(|d| d.as_nanos())
-        .unwrap_or(0);
-    let scratch = std::env::temp_dir().join(format!(
-        "gunbc_w1_rust_emit_{}_{}",
-        std::process::id(),
-        stamp
-    ));
-    std::fs::create_dir_all(&scratch).map_err(|e| {
-        format!(
-            "W1 rust_emit_output: create scratch dir {}: {e}",
-            scratch.display()
-        )
-    })?;
-    let _scratch_guard = W1RustEmitScratchGuard::new(scratch.clone());
-    let src_path = scratch.join("main.rs");
-    let bin_path = scratch.join("w1_emit_eval_out");
-    let mut file = std::fs::File::create(&src_path)
-        .map_err(|e| format!("W1 rust_emit_output: create {}: {e}", src_path.display()))?;
-    file.write_all(rust_src.as_bytes())
-        .map_err(|e| format!("W1 rust_emit_output: write {}: {e}", src_path.display()))?;
-
-    let mut rustc = Command::new("rustc");
-    // Same stable-toolchain contract as boundary rustc harnesses (strip bootstrap leakage).
-    // Wall-bounded `spawn` + pipe drain (not `status()` / not unbounded `output()`): piped stderr
-    // can stall `rustc`; a wedged compile must fail-closed like [`EXECUTE_COMMAND_WALL_TIMEOUT`].
-    rustc
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path);
-    let compile_out = crate::bounded_host_command::host_command_output(
-        "W1 rust_emit_output: rustc",
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-        crate::bounded_host_command::prepare_host_command(rustc),
-    )?;
-    if !compile_out.status.success() {
-        let stderr = String::from_utf8_lossy(&compile_out.stderr);
-        let stdout = String::from_utf8_lossy(&compile_out.stdout);
-        return Err(format!(
-            "W1 rust_emit_output: rustc failed (exit {:?}); rustc stdout:\n{}\nrustc stderr:\n{}; \
-             dissolution: PB-Runtime owns compilation policy for generated tests",
-            compile_out.status.code(),
-            stdout.trim_end(),
-            stderr.trim_end(),
-        ));
-    }
-    let run = crate::bounded_host_command::host_command_output(
-        "W1 rust_emit_output: emitted binary",
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-        crate::bounded_host_command::prepare_host_command(Command::new(&bin_path)),
-    )?;
-    if !run.status.success() {
-        let stderr = String::from_utf8_lossy(&run.stderr);
-        let stdout = String::from_utf8_lossy(&run.stdout);
-        return Err(format!(
-            "W1 rust_emit_output: emitted Rust binary exited with {:?}; stdout:\n{}\nstderr:\n{}; \
-             dissolution: PB-Runtime-generated tests own exit-status / stdio policy",
-            run.status.code(),
-            stdout.trim_end(),
-            stderr.trim_end(),
-        ));
-    }
-    w1_parse_single_int_stdout_carve_out(&String::from_utf8_lossy(&run.stdout))
-}
-
-fn w1_dag_eval_output_int(program_dag: &Dag, output_bind: &BindNode) -> Result<i64, String> {
-    // **Dissolution:** `dag_eval_output` collapses into PR-B eager evaluation + witness construction
-    // (`docs/briefs/r2-pr-b-2-runner-extension-bundle.md`); this arm is the first runner bridge only.
-    if !output_bind.params.is_empty() {
-        return Err(format!(
-            "W1 dag_eval_output: bind `{}` must be a top-level value bind (empty `params`); got callable-shaped bind",
-            output_bind.name
-        ));
-    }
-    let producer = program_dag
-        .resolve_producer_opt(&output_bind.value)
-        .ok_or_else(|| {
-            format!(
-            "W1 dag_eval_output: bind `{}` value port has no producer node in compiled program Dag",
-            output_bind.name
-        )
-        })?;
-    let entry = producer.id();
-    let strategy = crate::evaluator::EvalStrategy::ApplicativeOrder {
-        input_order: crate::evaluator::InputEvaluationOrder::LeftFirst,
-    };
-    let mut state =
-        crate::evaluator::EvalStateStack::with_root_frame(crate::evaluator::EvalFrame::empty());
-    let value = crate::evaluator::evaluate_body(program_dag, entry, &mut state, strategy)
-        .map_err(|e| {
-            format!(
-                "W1 dag_eval_output: `evaluate_body` / `eval_node` error on bind `{}` (no-memo eager `ApplicativeOrder` / `LeftFirst` at call site per #1485 fire criteria): {e:?}",
-                output_bind.name
-            )
-        })?;
-    match &value {
-        crate::evaluator::Value::LiteralValue(LiteralBits::Int(s)) => s.parse::<i64>().map_err(|_| {
-            format!(
-                "W1 dag_eval_output: Int literal is not a valid i64 decimal string for bind `{}`",
-                output_bind.name
-            )
-        }),
-        other => Err(format!(
-            "W1 dag_eval_output: only `Value::LiteralValue(Int)` is supported for slice-1 Int parity \
-             (transitional debt; dissolution: substrate `ValueKind` widening + observation normalization): {other:?}"
-        )),
-    }
-}
-
-fn w1_differential_equals_lineage_int(
-    lineage: &str,
-    program_dag: &Dag,
-    output_bind: &BindNode,
-    claim_file: &str,
-) -> Result<i64, String> {
-    match lineage {
-        "rust_emit_output" => w1_rust_emit_output_int(program_dag, output_bind, claim_file),
-        "dag_eval_output" => w1_dag_eval_output_int(program_dag, output_bind),
-        _ => Err(format!(
-            "W1 internal error: unknown lineage `{lineage}` (expected rust_emit_output or dag_eval_output)"
-        )),
-    }
-}
-
-fn l5_parse_single_int_stdout_carve_out(target: &str, stdout: &str) -> Result<i64, String> {
-    w1_parse_single_int_stdout_carve_out(stdout)
-        .map_err(|msg| msg.replace("W1 rust_emit_output", &format!("L5 {target}_emit_output")))
-}
-
-fn l5_target_scratch(label: &str) -> Result<(std::path::PathBuf, W1RustEmitScratchGuard), String> {
-    let stamp = std::time::SystemTime::now()
-        .duration_since(std::time::UNIX_EPOCH)
-        .map(|d| d.as_nanos())
-        .unwrap_or(0);
-    let scratch =
-        std::env::temp_dir().join(format!("gunbc_l5_{label}_{}_{}", std::process::id(), stamp));
-    std::fs::create_dir_all(&scratch)
-        .map_err(|e| format!("L5 {label}: create scratch dir {}: {e}", scratch.display()))?;
-    let guard = W1RustEmitScratchGuard::new(scratch.clone());
-    Ok((scratch, guard))
-}
-
-fn l5_rust_emit_output_int(program_dag: &Dag, claim_file: &str) -> Result<i64, String> {
-    // Match the W1 Rust emitter path: `emit_rust` can recurse deeply on generated programs, while
-    // the Python/Go text emitters are currently shallow enough to run on the caller stack.
-    let rust_src = std::thread::scope(|s| -> Result<String, String> {
-        let handle = std::thread::Builder::new()
-            .stack_size(8 * 1024 * 1024)
-            .spawn_scoped(s, || crate::emit_rust::emit_rust(program_dag))
-            .map_err(|e| format!("L5 rust_emit_output: spawn emit worker: {e}"))?;
-        let joined = handle
-            .join()
-            .map_err(|_| "L5 rust_emit_output: emit worker panicked".to_string())?;
-        joined.map_err(|e| format!("L5 rust_emit_output: emit_rust failed: {e:?}"))
-    })?;
-    let (scratch, _scratch_guard) = l5_target_scratch("rust_emit_output")?;
-    let src_path = scratch.join("main.rs");
-    let bin_path = scratch.join("l5_emit_out");
-    let mut file = std::fs::File::create(&src_path)
-        .map_err(|e| format!("L5 rust_emit_output: create {}: {e}", src_path.display()))?;
-    file.write_all(rust_src.as_bytes())
-        .map_err(|e| format!("L5 rust_emit_output: write {}: {e}", src_path.display()))?;
-    crate::post_emit_verifier::verify_emitted_source_file(
-        program_dag,
-        crate::emit::EmitTarget::Rust,
-        &src_path,
-    )
-    .map_err(|e| format!("L5 rust_emit_output: {e}"))?;
-
-    let mut rustc = Command::new("rustc");
-    rustc
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path);
-    let compile_out = crate::bounded_host_command::host_command_output(
-        "L5 rust_emit_output: rustc",
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-        crate::bounded_host_command::prepare_host_command(rustc),
-    )?;
-    if !compile_out.status.success() {
-        return Err(format!(
-            "L5 rust_emit_output: rustc failed for claim file `{claim_file}` (exit {:?}); stdout:\n{}\nstderr:\n{}",
-            compile_out.status.code(),
-            String::from_utf8_lossy(&compile_out.stdout).trim_end(),
-            String::from_utf8_lossy(&compile_out.stderr).trim_end()
-        ));
-    }
-    let run = crate::bounded_host_command::host_command_output(
-        "L5 rust_emit_output: emitted binary",
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-        crate::bounded_host_command::prepare_host_command(Command::new(&bin_path)),
-    )?;
-    if !run.status.success() {
-        return Err(format!(
-            "L5 rust_emit_output: emitted Rust binary exited with {:?}; stdout:\n{}\nstderr:\n{}",
-            run.status.code(),
-            String::from_utf8_lossy(&run.stdout).trim_end(),
-            String::from_utf8_lossy(&run.stderr).trim_end()
-        ));
-    }
-    l5_parse_single_int_stdout_carve_out("rust", &String::from_utf8_lossy(&run.stdout))
-}
-
-fn l5_python_emit_output_int(program_dag: &Dag) -> Result<i64, String> {
-    let python_src = emit_python_text(program_dag)
-        .map_err(|e| format!("L5 python_emit_output: emit_python failed: {e:?}"))?;
-    let (scratch, _scratch_guard) = l5_target_scratch("python_emit_output")?;
-    let src_path = scratch.join("main.py");
-    let mut file = std::fs::File::create(&src_path)
-        .map_err(|e| format!("L5 python_emit_output: create {}: {e}", src_path.display()))?;
-    file.write_all(python_src.as_bytes())
-        .map_err(|e| format!("L5 python_emit_output: write {}: {e}", src_path.display()))?;
-    crate::post_emit_verifier::verify_emitted_source_file(
-        program_dag,
-        crate::emit::EmitTarget::Python,
-        &src_path,
-    )
-    .map_err(|e| format!("L5 python_emit_output: {e}"))?;
-    let mut run_cmd = Command::new("python3");
-    run_cmd.arg(&src_path);
-    let run = crate::bounded_host_command::host_command_output(
-        "L5 python_emit_output: python3",
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-        crate::bounded_host_command::prepare_host_command(run_cmd),
-    )?;
-    if !run.status.success() {
-        return Err(format!(
-            "L5 python_emit_output: python3 exited with {:?}; stdout:\n{}\nstderr:\n{}",
-            run.status.code(),
-            String::from_utf8_lossy(&run.stdout).trim_end(),
-            String::from_utf8_lossy(&run.stderr).trim_end()
-        ));
-    }
-    l5_parse_single_int_stdout_carve_out("python", &String::from_utf8_lossy(&run.stdout))
-}
-
-fn l5_go_emit_output_int(program_dag: &Dag) -> Result<i64, String> {
-    let go_src = emit_go_text(program_dag)
-        .map_err(|e| format!("L5 go_emit_output: emit_go failed: {e:?}"))?;
-    let (scratch, _scratch_guard) = l5_target_scratch("go_emit_output")?;
-    let src_path = scratch.join("main.go");
-    let mut file = std::fs::File::create(&src_path)
-        .map_err(|e| format!("L5 go_emit_output: create {}: {e}", src_path.display()))?;
-    file.write_all(go_src.as_bytes())
-        .map_err(|e| format!("L5 go_emit_output: write {}: {e}", src_path.display()))?;
-    crate::post_emit_verifier::verify_emitted_source_file(
-        program_dag,
-        crate::emit::EmitTarget::Go,
-        &src_path,
-    )
-    .map_err(|e| format!("L5 go_emit_output: {e}"))?;
-    let mut run_cmd = Command::new("go");
-    run_cmd.arg("run").arg(&src_path);
-    let run = crate::bounded_host_command::host_command_output(
-        "L5 go_emit_output: go run",
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-        crate::bounded_host_command::prepare_host_command(run_cmd),
-    )?;
-    if !run.status.success() {
-        return Err(format!(
-            "L5 go_emit_output: go run exited with {:?}; stdout:\n{}\nstderr:\n{}",
-            run.status.code(),
-            String::from_utf8_lossy(&run.stdout).trim_end(),
-            String::from_utf8_lossy(&run.stderr).trim_end()
-        ));
-    }
-    l5_parse_single_int_stdout_carve_out("go", &String::from_utf8_lossy(&run.stdout))
-}
-
-fn l5_cross_target_outputs_int(claim: &TestClaimValue, output_bind_name: &str) -> ClaimResult {
-    let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => {
-            return ClaimResult::Fail(format!(
-                "ForAllTargets(L5): claim `source` / `{}` compiled with diagnostics: {:?}",
-                claim.file_name,
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            ));
-        }
-        Err(err) => {
-            return ClaimResult::Fail(format!(
-                "ForAllTargets(L5): claim `source` / `{}` did not compile: {err:?}",
-                claim.file_name
-            ));
-        }
-    };
-
-    let Some(output_bind) = find_bind(&program_dag, output_bind_name, &claim.file_name) else {
-        return ClaimResult::Fail(format!(
-            "ForAllTargets(L5): declared ProgramOutputBind `{output_bind_name}` was not found in `{}`",
-            claim.file_name
-        ));
-    };
-    let selectors = [
-        (
-            "rust",
-            last_emit_rust_program_top_level_value_bind_name(&program_dag)
-                .map_err(|e| format!("{e:?}")),
-        ),
-        (
-            "python",
-            last_emit_python_program_top_level_value_bind_name(&program_dag)
-                .map_err(|e| format!("{e:?}")),
-        ),
-        (
-            "go",
-            last_emit_go_program_top_level_value_bind_name(&program_dag)
-                .map_err(|e| format!("{e:?}")),
-        ),
-    ];
-    for (target, selected) in selectors {
-        let selected = match selected {
-            Ok(Some(name)) => name,
-            Ok(None) => {
-                return ClaimResult::Fail(format!(
-                    "ForAllTargets(L5): {target} emitter has no top-level value bind to observe"
-                ));
-            }
-            Err(e) => {
-                return ClaimResult::Fail(format!(
-                    "ForAllTargets(L5): cannot resolve {target} emitted print target: {e}"
-                ));
-            }
-        };
-        if selected != output_bind.name {
-            return ClaimResult::Fail(format!(
-                "ForAllTargets(L5): declared ProgramOutputBind must name the {target} emitted top-level output bind; expected `{selected}`, got `{}`",
-                output_bind.name
-            ));
-        }
-    }
-
-    let rust = match l5_rust_emit_output_int(&program_dag, &claim.file_name) {
-        Ok(v) => v,
-        Err(msg) => return ClaimResult::Fail(msg),
-    };
-    let python = match l5_python_emit_output_int(&program_dag) {
-        Ok(v) => v,
-        Err(msg) => return ClaimResult::Fail(msg),
-    };
-    let go = match l5_go_emit_output_int(&program_dag) {
-        Ok(v) => v,
-        Err(msg) => return ClaimResult::Fail(msg),
-    };
-
-    if rust == python && python == go {
-        ClaimResult::Pass
-    } else {
-        ClaimResult::Fail(format!(
-            "ForAllTargets(L5): cross-target Int mismatch for `{}`: rust={rust}, python={python}, go={go}",
-            claim.file_name
-        ))
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum ClaimResult {
-    Pass,
-    Fail(String),
-    /// Runner does not implement this path yet; message is surfaced to tests and logs.
-    NotYetImplemented(String),
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct ClaimEvaluation {
-    pub claim_name: String,
-    pub result: ClaimResult,
-}
-
-/// Typed failure modes for [`eval_algebraic_law_for_claim_program`] (C-5: no string
-/// sub-match on `Err` to classify behavior — discriminate on this enum).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum AlgebraicLawProgramError {
-    /// Law kind is not implemented in the public helper (M1.5 harness: treat as runner-deferred).
-    UnsupportedLaw { law_label: String },
-    /// Predicate payload or referenced structure is invalid for evaluation.
-    MalformedPayload(String),
-}
-
-/// Hermetic `AlgebraicLaw` evaluation against a compiled claim program (`program_dag`).
-///
-/// **`Associativity` / `Commutativity` / `Identity` — bounded operational witnesses, not substrate law proof:**
-/// uses [`int_associativity_holds_all_triples`](crate::lens_declaration_apply::int_associativity_holds_all_triples)
-/// over [`ASSOCIATIVITY_WITNESS_TRIPLES`](crate::lens_declaration_apply::ASSOCIATIVITY_WITNESS_TRIPLES) so a
-/// single lucky `(a,b,c)` cannot certify a false law; `Commutativity` uses
-/// [`COMMUTATIVITY_WITNESS_PAIRS`](crate::lens_declaration_apply::COMMUTATIVITY_WITNESS_PAIRS) the same way;
-/// `Identity` uses [`int_identity_witness_holds`](crate::lens_declaration_apply::int_identity_witness_holds)
-/// over [`IDENTITY_WITNESS_SAMPLES`](crate::lens_declaration_apply::IDENTITY_WITNESS_SAMPLES) /
-/// [`IDENTITY_WITNESS_CANDIDATES`](crate::lens_declaration_apply::IDENTITY_WITNESS_CANDIDATES), requiring a
-/// **unique** candidate element so ambiguous finite-table fits fail closed.
-/// These paths do **not** consume quantified facts declared on `OrderedRing` / semigroup carriers
-/// in `std.algebra` (those are not yet first-class runner inputs). Treating `Pass` here as full
-/// algebraic law evidence would be weaker than a substrate-backed law check. **Dissolution:** wire
-/// `AlgebraicLaw` to declared law metadata / witnesses on disk and reserve sample-only checks to
-/// explicit testgen predicates, or return [`ClaimResult::NotYetImplemented`] until that substrate
-/// surface exists.
-///
-/// `lens_ref` is a [`FieldValue::Reference`] into `fixture_dag`; the runner resolves the **name**
-/// and looks up the same name in `program_dag`.
-pub fn eval_algebraic_law_for_claim_program(
-    fixture_dag: &Dag,
-    program_dag: &Dag,
-    payload: &[FieldValue],
-) -> Result<bool, AlgebraicLawProgramError> {
-    let (law, lens_ref) = algebraic_law_payload_fields(payload)?;
-    let (law_label, law_payload) = variant_fields(fixture_dag, law)?;
-    match law_label.as_str() {
-        "Associativity" | "Commutativity" | "Identity" => {}
-        // `Distributivity` is intentionally absent from AlgebraicLawKind. If a future substrate
-        // enum extension adds it, route implementation through INVARIANTS P1 first instead of
-        // encoding it through another predicate or overloading an existing law.
-        other => {
-            return Err(AlgebraicLawProgramError::UnsupportedLaw {
-                law_label: other.to_string(),
-            });
-        }
-    }
-    let lens_name = declaration_ref_name(fixture_dag, lens_ref)?;
-    let Some(target) = program_dag.declaration_by_name(&lens_name) else {
-        return Ok(false);
-    };
-    match law_label.as_str() {
-        "Associativity" => {
-            if !law_payload.is_empty() {
-                return Err(AlgebraicLawProgramError::MalformedPayload(
-                    "Associativity should be payload-free".to_string(),
-                ));
-            }
-            int_associativity_holds_all_triples(
-                program_dag,
-                target.id,
-                ASSOCIATIVITY_WITNESS_TRIPLES,
-            )
-            .map_err(|e| {
-                AlgebraicLawProgramError::MalformedPayload(format!("lens apply error: {e:?}"))
-            })
-        }
-        "Commutativity" => {
-            if !law_payload.is_empty() {
-                return Err(AlgebraicLawProgramError::MalformedPayload(
-                    "Commutativity should be payload-free".to_string(),
-                ));
-            }
-            int_commutativity_holds_all_pairs(program_dag, target.id, COMMUTATIVITY_WITNESS_PAIRS)
-                .map_err(|e| {
-                    AlgebraicLawProgramError::MalformedPayload(format!("lens apply error: {e:?}"))
-                })
-        }
-        "Identity" => {
-            if !law_payload.is_empty() {
-                return Err(AlgebraicLawProgramError::MalformedPayload(
-                    "Identity should be payload-free".to_string(),
-                ));
-            }
-            int_identity_witness_holds(
-                program_dag,
-                target.id,
-                IDENTITY_WITNESS_SAMPLES,
-                IDENTITY_WITNESS_CANDIDATES,
-            )
-            .map_err(|e| {
-                AlgebraicLawProgramError::MalformedPayload(format!("lens apply error: {e:?}"))
-            })
-        }
-        _ => unreachable!("unsupported AlgebraicLawKind returned before lens resolution"),
-    }
-}
-
-/// Compile-time ratchet (PR #741 / codex P1): `Associativity` must not regress to checking one
-/// lucky `(a, b, c)` triple — the gate is a correctness signal only when the witness set has
-/// material breadth (see `lens_declaration_apply::ASSOCIATIVITY_WITNESS_TRIPLES`).
-const _: () = assert!(ASSOCIATIVITY_WITNESS_TRIPLES.len() > 1);
-const _: () = assert!(IDENTITY_WITNESS_SAMPLES.len() > 1);
-
-/// Shared structural-value comparator for runner-side value-domain checks.
-///
-/// PR-B.3 uses this for `AlgebraicLaw::Commutativity`; PR-B.4 should reuse this authority when
-/// per-target structural-output normalization lands instead of introducing a second comparator.
-pub fn runner_structural_values_equal(left: &FieldValue, right: &FieldValue) -> bool {
-    left == right
-}
-
-/// Transitional PR-B.3 runner scaffold: evaluate `a ⊕ b == b ⊕ a` over the bounded Int witness
-/// table. Dissolution hook: replace sample-table checks with first-class substrate law witnesses
-/// consumed by PR-B evaluator / PB-Runtime once lens algebra facts are declared.
-fn int_commutativity_holds_all_pairs(
-    program_dag: &Dag,
-    lens_decl_id: DeclarationId,
-    pairs: &[(i64, i64)],
-) -> Result<bool, crate::lens_declaration_apply::LensApplyError> {
-    let int = |n: i64| FieldValue::Literal(LiteralBits::Int(n.to_string()));
-    for &(a, b) in pairs {
-        let left = apply_lens_declaration(program_dag, None, lens_decl_id, &[int(a), int(b)])?;
-        let right = apply_lens_declaration(program_dag, None, lens_decl_id, &[int(b), int(a)])?;
-        if !runner_structural_values_equal(&left, &right) {
-            return Ok(false);
-        }
-    }
-    Ok(true)
-}
-
-const _: () = assert!(COMMUTATIVITY_WITNESS_PAIRS.len() > 1);
-
-// --- `TestPredicate::ExecuteCommand` (PB-Runtime) — shared by `TestRunner` and M1.5 testgen ---
-
-/// Extracts `(command, args, expect_exit_code)` from `ExecuteCommand` lowered payloads
-/// (positional `Conj` fields or a single `Record`). Matches `m1_5_testgen` historical parser.
-pub fn parse_execute_command_fields(payload: &[FieldValue]) -> Option<(String, Vec<String>, i64)> {
-    match payload {
-        [FieldValue::Record(fields)] => {
-            let command = execute_command_string_field(fields, "command")?;
-            let expect_exit_code = fields
-                .iter()
-                .find(|(label, _)| label == "expect_exit_code")
-                .and_then(|(_, value)| match value {
-                    FieldValue::Literal(LiteralBits::Int(s)) => s.parse::<i64>().ok(),
-                    _ => None,
-                })?;
-            let args = fields
-                .iter()
-                .find(|(label, _)| label == "args")
-                .and_then(|(_, value)| list_string_literal_values(value))?;
-            Some((command, args, expect_exit_code))
-        }
-        [cmd, args, code] => {
-            let FieldValue::Literal(LiteralBits::String(command)) = cmd else {
-                return None;
-            };
-            let argv = list_string_literal_values(args)?;
-            let FieldValue::Literal(LiteralBits::Int(expect_s)) = code else {
-                return None;
-            };
-            let expect_exit_code = expect_s.parse::<i64>().ok()?;
-            Some((command.clone(), argv, expect_exit_code))
-        }
-        _ => None,
-    }
-}
-
-fn execute_command_string_field(fields: &[(String, FieldValue)], label: &str) -> Option<String> {
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .and_then(|(_, v)| match v {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-}
-
-fn list_string_literal_values(value: &FieldValue) -> Option<Vec<String>> {
-    let FieldValue::List(items) = value else {
-        return None;
-    };
-    let mut out = Vec::with_capacity(items.len());
-    for item in items {
-        let FieldValue::Literal(LiteralBits::String(s)) = item else {
-            return None;
-        };
-        out.push(s.clone());
-    }
-    Some(out)
-}
-
-/// Hard wall-clock for [`evaluate_execute_command_exit_code`]: fail-closed `ClaimResult::Fail`
-/// (not hang / not unbounded) so checked-in `TestClaim` data cannot block CI on a runaway child.
-/// Adjusting the limit is policy; the substrate has no per-claim override today.
-pub const EXECUTE_COMMAND_WALL_TIMEOUT: Duration =
-    crate::bounded_host_command::DEFAULT_WALL_TIMEOUT;
-
-const EXECUTE_COMMAND_WAIT_POLL: Duration = Duration::from_millis(20);
-
-const SHELL_DASH_C_BACKGROUND_STEMS: [&str; 5] = ["sh", "bash", "dash", "ksh", "zsh"];
-const SHELL_C_BACKGROUND_UNBOUNDED_FAIL: &str = "ExecuteCommand: shell `-c` script has a `&` that may be an unmodelled **background** \
-         job (after eliding `&&` and `n>&m` / `&>`-style fd spellings) — a direct `Child` wait is not \
-         a full process boundary. Rephrase (e.g. a direct tool, or a `-c` string that does not rely on \
-         shell `&` background) — P3/P4.";
-
-/// Path stem in [`SHELL_DASH_C_BACKGROUND_STEMS`] (helper for shell `-c` / background guard).
-fn shell_dash_c_background_stem_is_shell(arg: &str) -> bool {
-    let s = std::path::Path::new(arg)
-        .file_name()
-        .and_then(|x| x.to_str())
-        .unwrap_or(arg);
-    SHELL_DASH_C_BACKGROUND_STEMS.contains(&s)
-}
-
-/// `sh` and `dash` do not treat `&>` as a single bash-style redirect token — the same bytes can
-/// be `&` (background) + `>` (api-review openai-pro gpt-5-5-pro, PR #792: P3/P4).
-fn shell_stem_is_posix_sh_or_dash(shell_path: &str) -> bool {
-    let s = std::path::Path::new(shell_path)
-        .file_name()
-        .and_then(|x| x.to_str())
-        .unwrap_or(shell_path);
-    matches!(s, "sh" | "dash")
-}
-
-/// Whether `&>` / `&>>` may be elided as non-background `&` spellings (bash/ksh/zsh). For
-/// `sh`/`dash` and unknown interpreter, we **do not** elide — see
-/// [`shell_dash_c_may_start_background_after_eliding_artifacts`].
-fn shell_interpreter_allows_bash_style_ampersand_gt_redirect(interpreter: Option<&str>) -> bool {
-    match interpreter {
-        None => false,
-        Some(s) if shell_stem_is_posix_sh_or_dash(s) => false,
-        Some(_) => true,
-    }
-}
-
-/// The `-c` (or combined `-?c?`) at `c_flag_index` is run by the nearest preceding shell in
-/// `args`, or by `leading_hint` when the slice is `["-c", "script"]` / `["-ec", "script"]` only
-/// (e.g. `env(1)` + `sh -c` — the shell is not `args[0]` of the tail).
-fn shell_interpreter_for_c_flag<'a>(
-    args: &'a [String],
-    c_flag_index: usize,
-    leading_hint: Option<&'a str>,
-) -> Option<&'a str> {
-    if c_flag_index > 0 && shell_dash_c_background_stem_is_shell(&args[c_flag_index - 1]) {
-        return Some(args[c_flag_index - 1].as_str());
-    }
-    if c_flag_index == 0 {
-        return leading_hint;
-    }
-    None
-}
-
-/// `true` if a bare `&` may be shell background, scanning **all** `"-c"` and combined `-?c?` invocations
-/// in `args`, and **recursing** when a `-c` (or combined) **script** value is a shell path stem and
-/// more argv follow — e.g. `sh -c sh -ec "sleep&"` (POSIX: `-c` takes one script word, then
-/// `argv` continues) would otherwise be mis-read as a script of `sh` only (PR #792 inline; P4).
-///
-/// Production uses [`shell_argv_may_start_unbounded_background_with_hint`]; this wrapper is for
-/// unit tests only.
-#[cfg(test)]
-fn shell_argv_may_start_unbounded_background(args: &[String]) -> bool {
-    shell_argv_may_start_unbounded_background_with_hint(args, None)
-}
-
-/// Like [`shell_argv_may_start_unbounded_background`], but when `args` is only the **tail** after a
-/// known shell (e.g. `["-c", "…"]` for `env sh -c …`), pass that shell as `leading_hint` so `&>` /
-/// POSIX elision is correct (openai-pro PR #792).
-fn shell_argv_may_start_unbounded_background_with_hint(
-    args: &[String],
-    leading_hint: Option<&str>,
-) -> bool {
-    const MAX_NEST: u32 = 32;
-
-    fn is_combined_c_not_exact(a: &str) -> bool {
-        if a == "-c" || a.starts_with("--") {
-            return false;
-        }
-        a.strip_prefix('-')
-            .is_some_and(|f| !f.is_empty() && !f.starts_with('-') && f.chars().any(|ch| ch == 'c'))
-    }
-
-    fn check_slice(args: &[String], depth: u32, leading_hint: Option<&str>) -> bool {
-        // P3 / P4: if we cannot finish scanning, fail closed — a depth escape must not be taken as
-        // "no unbounded background" and allow a spawn past the policy guard (api-review codex 3a2a9f64).
-        if depth > MAX_NEST {
-            return true;
-        }
-        for i in 0..args.len() {
-            if &args[i] == "-c" {
-                if let Some(s) = args.get(i + 1) {
-                    let intr = shell_interpreter_for_c_flag(args, i, leading_hint);
-                    if shell_dash_c_may_start_background_after_eliding_artifacts(s, intr) {
-                        return true;
-                    }
-                    if i + 2 < args.len() && shell_dash_c_background_stem_is_shell(s) {
-                        let mut inner = vec![s.to_string()];
-                        inner.extend_from_slice(&args[i + 2..]);
-                        let inner_leading = inner
-                            .first()
-                            .filter(|a| shell_dash_c_background_stem_is_shell(a))
-                            .map(|a| a.as_str());
-                        if check_slice(&inner, depth + 1, inner_leading) {
-                            return true;
-                        }
-                    }
-                }
-            }
-        }
-        for i in 0..args.len() {
-            let a = &args[i];
-            if a.starts_with("--") || a == "-c" {
-                continue;
-            }
-            if is_combined_c_not_exact(a) {
-                if let Some(s) = args.get(i + 1) {
-                    let intr = shell_interpreter_for_c_flag(args, i, leading_hint);
-                    if shell_dash_c_may_start_background_after_eliding_artifacts(s, intr) {
-                        return true;
-                    }
-                    if i + 2 < args.len() && shell_dash_c_background_stem_is_shell(s) {
-                        let mut inner = vec![s.to_string()];
-                        inner.extend_from_slice(&args[i + 2..]);
-                        let inner_leading = inner
-                            .first()
-                            .filter(|a| shell_dash_c_background_stem_is_shell(a))
-                            .map(|a| a.as_str());
-                        if check_slice(&inner, depth + 1, inner_leading) {
-                            return true;
-                        }
-                    }
-                }
-            }
-        }
-        false
-    }
-    let inner_leading = args
-        .first()
-        .filter(|a| shell_dash_c_background_stem_is_shell(a))
-        .map(|a| a.as_str());
-    let hint = leading_hint.or(inner_leading);
-    check_slice(args, 0, hint)
-}
-
-/// Heuristic: on POSIX shells with `-c`, a *shell background* `&` (not part of `&&` / fd
-/// redirect spellings) means the child may exit 0 while other work still runs. We are not a full
-/// sh parser: strip a few *common* `&` spellings, then if `&` remains, fail-closed (P3/P4). See
-/// `shell_dash_c_may_start_background_after_eliding_artifacts` tests in this module.
-///
-/// The top-level `command` need not be a shell (e.g. `env(1)` with `["sh", "-c", "…&"]`); a shell
-/// **anywhere** in `args` (path stem) with a following `-c` in the same tail is checked (api-review
-/// 994fa40d). For each such index `j`, the guard runs on **`args[j + 1..]`** (the **argv tail after
-/// the shell executable**), not `args[j..]`, so we do not double-count the shell token as if it were
-/// part of the combined-flag script (api-review e99b53e7, codex). Nested re-exec (script token is
-/// `sh`/`bash`/…, rest is another `-c`/`-ec`) is handled by [`shell_argv_may_start_unbounded_background`].
-fn reject_unbounded_shell_background(command: &str, args: &[String]) -> Option<ClaimResult> {
-    let fail = || ClaimResult::Fail(SHELL_C_BACKGROUND_UNBOUNDED_FAIL.to_string());
-
-    let stem = std::path::Path::new(command)
-        .file_name()
-        .and_then(|s| s.to_str())
-        .unwrap_or(command);
-    if SHELL_DASH_C_BACKGROUND_STEMS.contains(&stem)
-        && shell_argv_may_start_unbounded_background_with_hint(args, Some(command))
-    {
-        return Some(fail());
-    }
-    for j in 0..args.len() {
-        if !shell_dash_c_background_stem_is_shell(&args[j]) {
-            continue;
-        }
-        if shell_argv_may_start_unbounded_background_with_hint(&args[j + 1..], Some(&args[j])) {
-            return Some(fail());
-        }
-    }
-    None
-}
-
-/// `sh`/`bash`/… with `-c` in **any** common spelling: standalone `"-c"`, or combined single-dash
-/// flags that include the `c` option (e.g. `"-ec"`, `"-lc"`) with the next argument as the script.
-/// The `-c` / combined-flag token may appear **anywhere** in the slice (e.g. `["sh", "-ec", "cmd"]` or
-/// `["-ec", "cmd"]`); codex PR #792, api-review e99b53e7: first-arg-only special case missed
-/// `env sh -ec "…&"`. Production guard uses [`shell_argv_may_start_unbounded_background`];
-/// this helper is kept for **unit** tests and doc parity only.
-///
-/// **Not a model of the P3/P4 guard:** it returns the script for the *first* `-c` or combined
-/// `-?c?` in argv order. For `["sh", "-c", "sh", "-ec", "…&"]` that first script word is the
-/// *shell token* `sh` — a correct *slice-local* read, not the same as “what might background.”
-/// [`shell_argv_may_start_unbounded_background`] recurses for that case; the pre-spawn code never
-/// calls this helper. Confusion with `args[j+1..]` for `env sh -ec` is a false alarm: the tail is
-/// `["-ec", "script"]` and [`check_slice`]’s `s` is `args[i+1]` for the matched flag at `i`, not a
-/// mis-attached `shell_dash_c_script_string` (PR #792 inline, 2026-04-25).
-#[cfg(test)]
-fn shell_dash_c_script_string(args: &[String]) -> Option<&str> {
-    for (i, a) in args.iter().enumerate() {
-        if a == "-c" {
-            return args.get(i + 1).map(String::as_str);
-        }
-        if a.starts_with("--") {
-            continue;
-        }
-        if let Some(flags) = a.strip_prefix('-') {
-            if !flags.is_empty() && !flags.starts_with('-') && flags.chars().any(|ch| ch == 'c') {
-                return args.get(i + 1).map(String::as_str);
-            }
-        }
-    }
-    None
-}
-
-/// Strips a few *non-background* `&` patterns from a `-c` string, then returns `true` only if
-/// a bare `&` (likely background) may remain. Not a sh grammar; conservative only where
-/// we would otherwise false-positive `true && true`, `2>&1`, `n>&m`, and the default-fd shorthand
-/// `>&d` (e.g. `>&2` in `command >&2`). **Quoted** `&` (e.g. `echo \"&\"`)
-/// is not modeled and may be fail-closed as if it were a background `&` — an acceptable
-/// false-reject; user should rephrase without relying on a literal `&` in the `-c` string. This is
-/// the likeliest UX foot-gun for hand-authored `.dag` claims (api-review 994fa40d).
-///
-/// `interpreter` is the path or stem of the shell that will run this `-c` script. On POSIX
-/// `sh`/`dash`, `&>` is **not** a single redirect token — the same bytes can background a command
-/// before `>` — so we **fail closed** if the script contains `&>` / `&>>` and do not elide (openai-pro
-/// gpt-5-5-pro, PR #792). For `bash`/`ksh`/`zsh` we elide `&>` as a non-background spelling. If the
-/// interpreter is unknown, we do not elide `&>` (fail closed on any `&>` in the script).
-///
-/// **TODO(dissolution, T-PB-B, input shaping):** retire literal `String::replace` here when
-/// `ExecuteCommand`’s `command`+`args` are narrow enough to forbid ambiguous `sh -c` (schema gate),
-/// or a **typed** hermetic host runner supersedes the shell escape hatch, or a real `sh` subset
-/// parser is shared with CI policy — *input* heuristics are a smell on the same seam as P2(a) on
-/// outcomes, but this path only **rejects** (no accept-on-text-match for claim truth). **Do not**
-/// grow the elision list ad hoc — that deepens the bridge; link new work to a dissolution (Claude
-/// e99b53e7).
-fn shell_dash_c_may_start_background_after_eliding_artifacts(
-    script: &str,
-    interpreter: Option<&str>,
-) -> bool {
-    if !shell_interpreter_allows_bash_style_ampersand_gt_redirect(interpreter)
-        && (script.contains("&>>") || script.contains("&>"))
-    {
-        return true;
-    }
-    let mut t = script.to_string();
-    while t.contains("&&") {
-        t = t.replace("&&", "  ");
-    }
-    t = t.replace("2>&1", "");
-    t = t.replace("1>&2", "");
-    t = t.replace("2>&2", "");
-    t = t.replace("1>&1", "");
-    t = t.replace("0>&1", "");
-    if shell_interpreter_allows_bash_style_ampersand_gt_redirect(interpreter) {
-        t = t.replace("&>>", " ");
-        t = t.replace("&>", " ");
-    }
-    for a in 0u8..=9 {
-        for b in 0u8..=9 {
-            t = t.replace(&format!("{a}>&{b}"), "");
-        }
-    }
-    // `>&d` = default stdout to fd d (e.g. `>&2` in `done >&2`); not a background `&`.
-    for d in 0u8..=9 {
-        t = t.replace(&format!(">&{d}"), "");
-    }
-    t.contains('&')
-}
-
-// On Linux, wrap the logical `command` + `args` in a **user + PID namespace** (util-linux
-// `unshare(1)` with `-c` = map current user, `-f` fork, `-p` new PID namespace) so the first
-// exec'd process in the new namespace is PID 1 (init rôle for that namespace): when it exits,
-// the kernel tears down the contained subtree, closing the "direct child matched exit,
-// grandchildren still run" host escape **for this path** (PR #792: P3/P4). Other Unix and
-// Windows: no unprivileged one-shot equivalent; wall bound + pgrp signal on timeout + the
-// `sh -c` `&` heuristic only.
-//
-// **Setup detection — `gunbc_execute_command_bootstrap` helper (P2(c) structural, post-#1063).**
-// The unshare target is the helper binary from `src/v3/execute_command_bootstrap`, NOT a
-// `sh -c` script. The helper writes the same three sentinel bytes on fd 3 — `s`, `e`, `f` —
-// but crucially calls `fcntl(3, F_SETFD, FD_CLOEXEC)` on fd 3 immediately *before*
-// `execvp(3)`. On successful `execvp` the kernel atomically closes fd 3 in the new image
-// — the user command **cannot** inherit a writable sentinel fd, eliminating the
-// `b"sef"`-spoof discriminator gap that was unreachable in pure POSIX sh (no portable
-// `fcntl` primitive between probe and `exec`). `argv[1]` is the logical program; `argv[2..]`
-// are its args. See `gunbc_execute_command_bootstrap` source for the exact protocol; the
-// classifier in this file consumes the same byte vocabulary as before.
-//
-// After wait, parent reads up to [`UNSHARE_READY_PIPE_MAX`] bytes:
-//
-// - `b""`    → util-linux exited before the helper ran → `NamespaceSetupFailed`.
-// - `b"s"`   → helper ran, executable probe rejected → `LogicalCommandNotExecutable`.
-// - `b"se"`  → helper `execvp`'d the user command (kernel atomically closed fd 3 via
-//   `FD_CLOEXEC`; user inherits no writable sentinel fd) → exit is the logical exit →
-//   `LogicalCommandExeced`.
-// - `b"sef"` → helper's `execvp` returned (TOCTOU x-bit removal, `ENOEXEC`, `ETXTBSY`, etc.)
-//   → exec failed post-probe → `LogicalExecFailed`. **Structurally unspoofable now** that
-//   fd 3 has CLOEXEC before `execvp` — only the helper itself can produce `f` on the
-//   sentinel.
-// - anything else with `b"se"` prefix → defensively classified as `LogicalCommandExeced`
-//   (P2(d) defense-in-depth). With the helper-binary CLOEXEC story, this branch should be
-//   unreachable in practice, but the classifier preserves the no-implicit-re-execution
-//   guarantee even under a hypothetical helper bug.
-// - anything not starting with `b"s"` or whose `s`-prefix didn't reach `e` →
-//   `NamespaceSetupFailed`. Bootstrap never committed to `exec`, so the direct fallback is
-//   the *first* logical run.
-//
-// **No setup-string authority** (P2(a)/(b)/(e)): wrapper stderr is `/dev/null`; only
-// structural channel is the typed sentinel pipe; classification is exact-byte.
-// **No implicit re-execution** (P2(d)): on `NamespaceSetupFailed` the direct fallback is
-// the *first* logical run, not a recovery re-exec.
-// **No spoofable discriminator** (P2(c), structural): the helper sets `FD_CLOEXEC` on fd 3
-// between writing `e` and calling `execvp`; successful exec atomically closes fd 3 in the
-// new image, so the user cannot write any byte to the sentinel post-`exec`.
-
-/// Anonymous pipe used as the unshare-bootstrap setup sentinel. The child inherits the write
-/// end as fd 3 (set in `pre_exec` via `dup2`). After spawn the parent closes its copy of the
-/// write end so EOF becomes observable on the read end. After wait the parent reads up to
-/// [`UNSHARE_READY_PIPE_MAX`] bytes — the bytes written by the bootstrap classify the run.
-#[cfg(target_os = "linux")]
-struct UnshareReadyPipe {
-    read_fd: std::os::fd::RawFd,
-    /// `Some(_)` until [`Self::close_write_end_in_parent`] runs once after `spawn`.
-    write_fd: Option<std::os::fd::RawFd>,
-}
-
-/// One byte beyond the longest canonical-protocol sentinel (`b"sef"` = 3 bytes). The extra
-/// slot lets stray bytes after `se`/`sef` (from the user writing to the inherited fd 3
-/// post-`exec`) be observed by the classifier — those patterns map to
-/// `LogicalCommandExeced` rather than triggering a fallback re-run (P2(d)).
-/// (api-review claude-opus-4-7 sha 793a57ef sizing rationale; codex sha 7297b04a P2(d)
-/// hardening for the post-`se` stray-byte case.)
-#[cfg(target_os = "linux")]
-const UNSHARE_READY_PIPE_MAX: usize = 4;
-
-#[cfg(target_os = "linux")]
-impl UnshareReadyPipe {
-    fn new() -> std::io::Result<Self> {
-        let mut fds = [0i32; 2];
-        if unsafe { libc::pipe2(fds.as_mut_ptr(), libc::O_CLOEXEC) } != 0 {
-            return Err(std::io::Error::last_os_error());
-        }
-        Ok(UnshareReadyPipe {
-            read_fd: fds[0],
-            write_fd: Some(fds[1]),
-        })
-    }
-
-    fn write_fd_for_child(&self) -> std::os::fd::RawFd {
-        self.write_fd.expect("write fd consumed before spawn")
-    }
-
-    fn close_write_end_in_parent(&mut self) {
-        if let Some(fd) = self.write_fd.take() {
-            unsafe { libc::close(fd) };
-        }
-    }
-
-    /// Reads up to [`UNSHARE_READY_PIPE_MAX`] bytes after the child exits and the parent's
-    /// write end is closed. Bounded — the bootstrap writes at most 3 sentinel bytes.
-    ///
-    /// **Caller ordering contract.** This is a *blocking* `libc::read` loop. It must be
-    /// called only after both (a) [`Self::close_write_end_in_parent`] has run and (b) the
-    /// child has been reaped (either via `child_wait_for_execute_command` returning
-    /// successfully, or after `kill_process_group_on_timeout` + `child.wait`). Together
-    /// those guarantee EOF on the read end. Calling this *before* the child is reaped while
-    /// the child still holds an open fd 3 (e.g. pre-`exec` sh, or post-failed-`exec` sh
-    /// after the EXIT trap fires) would deadlock if the child has not yet exited.
-    ///
-    /// **Typed errors (api-review openai-pro/gpt-5-5-pro sha 9fea084e).** A real `read(2)`
-    /// failure is surfaced as `Err(io::Error)` rather than collapsed into a short sentinel:
-    /// the caller routes that to a typed `WaitFailed::Io` outcome, NOT a fall-back to
-    /// direct, because after the unshare child has been reaped we cannot rule out that the
-    /// logical command already ran — running it again via direct fallback would be implicit
-    /// re-execution. `EINTR` is retried in-loop because the read is idempotent on a
-    /// closed-write-end pipe. `n == 0` is a clean EOF.
-    fn read_sentinel(&self) -> std::io::Result<Vec<u8>> {
-        let mut buf = [0u8; UNSHARE_READY_PIPE_MAX];
-        let mut total = 0usize;
-        while total < buf.len() {
-            let n = unsafe {
-                libc::read(
-                    self.read_fd,
-                    buf.as_mut_ptr().add(total) as *mut libc::c_void,
-                    buf.len() - total,
-                )
-            };
-            if n > 0 {
-                total += n as usize;
-                continue;
-            }
-            if n == 0 {
-                // Clean EOF — all writers closed.
-                break;
-            }
-            // n < 0: real read error.
-            let err = std::io::Error::last_os_error();
-            if err.kind() == std::io::ErrorKind::Interrupted {
-                // EINTR — retry. Idempotent on a closed-write-end pipe.
-                continue;
-            }
-            return Err(err);
-        }
-        Ok(buf[..total].to_vec())
-    }
-}
-
-#[cfg(target_os = "linux")]
-impl Drop for UnshareReadyPipe {
-    fn drop(&mut self) {
-        if let Some(fd) = self.write_fd.take() {
-            unsafe { libc::close(fd) };
-        }
-        unsafe { libc::close(self.read_fd) };
-    }
-}
-
-/// Override env var for the helper binary path (used in tests where the workspace target
-/// layout may not match `current_exe`'s parent — e.g., when running a single-crate test in
-/// isolation). Production callers should not set this; the runtime walkup is the canonical
-/// resolution.
-#[cfg(target_os = "linux")]
-const GUNBC_EXECUTE_COMMAND_BOOTSTRAP_PATH_ENV: &str = "GUNBC_EXECUTE_COMMAND_BOOTSTRAP";
-
-/// True iff `path` is a regular file that the calling process can actually `execve` —
-/// i.e. it exists, is a regular file (not a directory or symlink-to-directory), AND the
-/// effective uid/gid has execute permission per `access(2)` with `X_OK`. We don't trust
-/// `Path::exists()` (would pass directories) and we don't trust a bare mode-bit check
-/// (would pass `--x------` files our uid cannot exec, leading to `EACCES` at exec time
-/// → empty sentinel → `NamespaceSetupFailed` → direct fallback runs the logical command,
-/// silently converting setup-failure into a possible `Matched` logical exit).
-///
-/// `access(2)` is the kernel-supplied atomic check that combines uid/gid against the file
-/// permissions (api-review codex sha 523776b BLOCKING follow-up + sha 143b7da5 BLOCKING
-/// original; together close the P2(c) silent-direct-fallback class for the helper path).
-#[cfg(target_os = "linux")]
-fn is_regular_executable_file(path: &std::path::Path) -> bool {
-    use std::os::unix::ffi::OsStrExt;
-    let Ok(meta) = std::fs::metadata(path) else {
-        return false;
-    };
-    if !meta.is_file() {
-        return false;
-    }
-    // Build a NUL-terminated byte vec for libc::access. Reject paths containing interior
-    // NULs (cannot be passed to access(2) at all).
-    let bytes = path.as_os_str().as_bytes();
-    if bytes.contains(&0) {
-        return false;
-    }
-    let mut c_path = Vec::with_capacity(bytes.len() + 1);
-    c_path.extend_from_slice(bytes);
-    c_path.push(0);
-    // SAFETY: c_path is NUL-terminated; access(2) is signal-safe and read-only.
-    let rc = unsafe { libc::access(c_path.as_ptr() as *const libc::c_char, libc::X_OK) };
-    rc == 0
-}
-
-/// Locates the `gunbc_execute_command_bootstrap` helper binary at runtime. The cargo
-/// workspace layout puts it at `target/<profile>/gunbc_execute_command_bootstrap`. Tests
-/// run from `target/<profile>/deps/v3_compiler-<hash>` (one level deeper) so we walk up
-/// once. An env override (`GUNBC_EXECUTE_COMMAND_BOOTSTRAP`) takes precedence for cases
-/// where the helper is installed elsewhere.
-///
-/// **Validates that candidates are regular executable files**, not just present paths
-/// (P2(c) hardening — see [`is_regular_executable_file`]).
-///
-/// Returns `Err(message)` if the helper cannot be located or fails validation — the caller
-/// surfaces this as a typed `SetupFailed` so a misconfigured deployment cannot silently
-/// degrade to a spoofable bootstrap path.
-#[cfg(target_os = "linux")]
-fn locate_unshare_bootstrap_helper() -> Result<std::path::PathBuf, String> {
-    use std::path::PathBuf;
-    if let Ok(p) = std::env::var(GUNBC_EXECUTE_COMMAND_BOOTSTRAP_PATH_ENV) {
-        if !p.is_empty() {
-            let path = PathBuf::from(p);
-            if !path.exists() {
-                return Err(format!(
-                    "{GUNBC_EXECUTE_COMMAND_BOOTSTRAP_PATH_ENV} points to nonexistent path: {}",
-                    path.display()
-                ));
-            }
-            if !is_regular_executable_file(&path) {
-                return Err(format!(
-                    "{GUNBC_EXECUTE_COMMAND_BOOTSTRAP_PATH_ENV} points to a path that is not a regular executable file: {}",
-                    path.display()
-                ));
-            }
-            return Ok(path);
-        }
-    }
-    let exe = std::env::current_exe().map_err(|e| format!("current_exe() failed: {e}"))?;
-    let dir = exe
-        .parent()
-        .ok_or_else(|| "current_exe has no parent dir".to_string())?;
-    // target/<profile>/gunbc_execute_command_bootstrap (binary running directly).
-    let candidate = dir.join("gunbc_execute_command_bootstrap");
-    if is_regular_executable_file(&candidate) {
-        return Ok(candidate);
-    }
-    // target/<profile>/deps/<bin>-<hash> → walk up one to target/<profile>/.
-    if let Some(parent) = dir.parent() {
-        let candidate = parent.join("gunbc_execute_command_bootstrap");
-        if is_regular_executable_file(&candidate) {
-            return Ok(candidate);
-        }
-    }
-    Err(format!(
-        "gunbc_execute_command_bootstrap not found relative to current_exe ({}); \
-         build the workspace (`cargo build --workspace`) or set {} to its absolute path",
-        exe.display(),
-        GUNBC_EXECUTE_COMMAND_BOOTSTRAP_PATH_ENV
-    ))
-}
-
-#[cfg(target_os = "linux")]
-fn build_execute_command_unshare(
-    helper: &std::path::Path,
-    command: &str,
-    args: &[String],
-    ready: &UnshareReadyPipe,
-) -> Command {
-    let mut c = Command::new("unshare");
-    c.args(["-c", "-f", "-p", "--"])
-        .arg(helper)
-        .arg(command)
-        .args(args)
-        .stdin(Stdio::null())
-        .stdout(Stdio::null())
-        // Wrapper stderr is /dev/null: P2(a)/(b) — no shared diagnostic channel between
-        // helper and parent; the structural setup signal is the ready-pipe sentinel.
-        .stderr(Stdio::null());
-    let write_fd = ready.write_fd_for_child();
-    {
-        use std::os::unix::process::CommandExt;
-        unsafe {
-            c.pre_exec(move || {
-                if libc::setpgid(0, 0) != 0 {
-                    return Err(std::io::Error::last_os_error());
-                }
-                // Move the ready-pipe write end to fd 3 WITHOUT FD_CLOEXEC. fd 3 must
-                // survive the parent's `exec("unshare")` and unshare's own `exec(helper)`;
-                // the helper binary itself sets FD_CLOEXEC on fd 3 immediately before its
-                // final `execvp` of the user command — that's the structural close that
-                // prevents the user from inheriting a writable sentinel fd (P2(c) closure,
-                // #1063).
-                //
-                // dup2(src, dst) clears CLOEXEC on dst *only when src != dst*. POSIX
-                // specifies that `dup2(fildes, fildes)` is a no-op (returns fildes2
-                // unchanged) — so if a low-fd allocation in the child has already placed
-                // our write_fd AT fd 3, dup2 leaves fd 3 with whatever flags it had,
-                // including the O_CLOEXEC we set on `pipe2(O_CLOEXEC)`. The kernel would
-                // then close fd 3 atomically on `exec("unshare")` and the helper would
-                // never see the sentinel — silently bypassing the helper path. Explicitly
-                // clear FD_CLOEXEC after dup2 to defend against that case.
-                // (api-review codex sha c535f4c BLOCKING.)
-                if libc::dup2(write_fd, 3) < 0 {
-                    return Err(std::io::Error::last_os_error());
-                }
-                if libc::fcntl(3, libc::F_SETFD, 0) < 0 {
-                    return Err(std::io::Error::last_os_error());
-                }
-                Ok(())
-            });
-        }
-    }
-    c
-}
-
-/// Classifies the [`UnshareReadyPipe`] sentinel after the unshare wrapper exits.
-#[cfg(target_os = "linux")]
-#[derive(Copy, Clone, Debug, Eq, PartialEq)]
-enum UnshareBootstrapStage {
-    /// `b""` — helper never ran; util-linux failed before fork/exec into the helper.
-    NamespaceSetupFailed,
-    /// `b"s"` — helper ran, `execvp`-equivalent probe rejected the logical command.
-    LogicalCommandNotExecutable,
-    /// `b"se"` — helper `execvp`'d the logical command; observed exit is its exit.
-    LogicalCommandExeced,
-    /// `b"sef"` — helper's `execvp` returned (TOCTOU, `ENOEXEC`, `ETXTBSY`, etc.); the
-    /// helper wrote `f` after the failure. The observed exit is the helper's, not the
-    /// logical command's — must NOT be classified as a logical exit (P2(c)). Structurally
-    /// unspoofable: the helper sets `FD_CLOEXEC` on fd 3 before `execvp`, so a successful
-    /// exec atomically closes fd 3 in the user image and only the helper itself can write
-    /// `f` (post-#1063).
-    LogicalExecFailed,
-}
-
-#[cfg(target_os = "linux")]
-fn unshare_bootstrap_stage_from_sentinel(sentinel: &[u8]) -> UnshareBootstrapStage {
-    // **P2(d) hardening (api-review codex sha 7297b04a, REQUEST_CHANGES).**
-    // The bootstrap writes `e` only *after* the executable probe passes and is committed to
-    // `exec(2)`. So once `s` then `e` have been observed, the logical command DID start
-    // running — any sentinel bytes beyond `se` come from the user process (fd 3 is
-    // intentionally inherited; CLOEXEC at this layer is impossible in pure POSIX sh per
-    // manager STOP / #856 escalation). Re-routing those `se*` patterns to
-    // `NamespaceSetupFailed` would trigger a *second* logical run via the direct fallback —
-    // exactly the implicit-re-execution this PR is meant to close.
-    //
-    // Therefore anything whose prefix is `b"se"` is classified as the user having executed:
-    // - `b"se"`     → `LogicalCommandExeced` (canonical)
-    // - `b"sef"`    → `LogicalExecFailed`    (canonical post-`exec` failure via EXIT trap)
-    // - `b"se*"`    → `LogicalCommandExeced` (user ran + post-`exec` stray write)
-    //
-    // Patterns that did NOT reach `e` (`b""`, `b"s"`, anything not starting with `s` or `se`)
-    // are safe to fail-closed because the bootstrap never committed to `exec` — re-running
-    // via direct fallback is the *first* logical run, not a second.
-    match sentinel {
-        b"" => UnshareBootstrapStage::NamespaceSetupFailed,
-        b"s" => UnshareBootstrapStage::LogicalCommandNotExecutable,
-        b"sef" => UnshareBootstrapStage::LogicalExecFailed,
-        bs if bs.starts_with(b"se") => UnshareBootstrapStage::LogicalCommandExeced,
-        _ => UnshareBootstrapStage::NamespaceSetupFailed,
-    }
-}
-
-/// Configure `Command` for the host check: no capture, and on Unix a new process group for the
-/// child so a timeout can `kill(2)` the whole process group. On Linux this is the **non-unshare**
-/// path; see [`build_execute_command_unshare`].
-fn build_execute_command_process(command: &str, args: &[String]) -> Command {
-    let mut c = Command::new(command);
-    c.args(args)
-        .stdin(Stdio::null())
-        .stdout(Stdio::null())
-        .stderr(Stdio::null());
-    #[cfg(unix)]
-    {
-        use std::os::unix::process::CommandExt;
-        unsafe {
-            c.pre_exec(|| {
-                if libc::setpgid(0, 0) != 0 {
-                    return Err(std::io::Error::last_os_error());
-                }
-                Ok(())
-            });
-        }
-    }
-    c
-}
-
-/// Best-effort: signal the process **group** (see `setpgid` in `pre_exec`); then `Child::kill` for
-/// portability. A successful `sh -c '…&'`-style path is pre-blocked; `wait` after a SIGKILL is
-/// still unbounded in the API, but the child is reaped in practice.
-#[cfg(unix)]
-fn kill_process_group_on_timeout(child: &mut std::process::Child) {
-    use libc::{kill, SIGKILL};
-    let p = child.id() as i32;
-    if p != 0 {
-        if unsafe { kill(-p, SIGKILL) } < 0 {
-            let _ = child.kill();
-        }
-    } else {
-        let _ = child.kill();
-    }
-}
-#[cfg(not(unix))]
-fn kill_process_group_on_timeout(child: &mut std::process::Child) {
-    let _ = child.kill();
-}
-
-/// Typed wait failure. Mapped to [`ExecuteCommandHostOutcome::WaitFailed`] by the caller.
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum ChildWaitFail {
-    WallTimeout { wall_time: Duration },
-    Io(String),
-}
-
-/// Wall-bounded `try_wait` loop. With wrapper stderr at `/dev/null` (P2(b)) there is no pipe to
-/// drain — simple poll until the child exits or the deadline trips.
-fn child_wait_for_execute_command(
-    child: &mut std::process::Child,
-    wall_time: Duration,
-) -> Result<std::process::ExitStatus, ChildWaitFail> {
-    let deadline = Instant::now() + wall_time;
-    loop {
-        match child.try_wait() {
-            Ok(Some(status)) => return Ok(status),
-            Ok(None) => {
-                if Instant::now() >= deadline {
-                    kill_process_group_on_timeout(child);
-                    let _ = child.wait();
-                    return Err(ChildWaitFail::WallTimeout { wall_time });
-                }
-                std::thread::sleep(EXECUTE_COMMAND_WAIT_POLL);
-            }
-            Err(err) => return Err(ChildWaitFail::Io(format!("{err}"))),
-        }
-    }
-}
-
-/// Spawns a host process and checks exit status. Used by the Rust `TestRunner` and the M1.5
-/// harness (single canonical path per PB-Runtime brief). Core logic is
-/// [`evaluate_execute_command_host_outcome`] ([`ExecuteCommandHostOutcome`]); this function and
-/// [`evaluate_execute_command_exit_code_with_wall_time`] map to [`ClaimResult`] at the
-/// reporting edge.
-///
-/// - **No stdout/stderr capture** — `stdin`/`stdout`/`stderr` are the null device. Only the
-///   exit code is read.
-/// - **Wall clock** — [`EXECUTE_COMMAND_WALL_TIMEOUT`].
-/// - **Linux**: user+PID namespace via `unshare(1)` + the `gunbc_execute_command_bootstrap` helper binary that signals setup
-///   progress on a sentinel ready-pipe (fd 3). On namespace setup failure the runner falls
-///   back to a direct `Child` once as the *first* logical run (P2(d): no implicit re-exec
-///   of an already-run logical command).
-/// - **Heuristic on `&` in `sh`/`bash`/… `-c` scripts (all hosts)** — bare shell background `&`
-///   (after eliding `&&` and a few `>&`/`&>` token spellings) is rejected pre-spawn.
-pub fn evaluate_execute_command_exit_code(
-    command: &str,
-    args: &[String],
-    expect_exit_code: i64,
-) -> ClaimResult {
-    evaluate_execute_command_exit_code_with_wall_time(
-        command,
-        args,
-        expect_exit_code,
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-    )
-}
-
-/// String form for the exit-mismatch **reporting** edge; **not** used for M1.5 or other
-/// semantic classification — that uses [`ExecuteCommandHostOutcome::Mismatch`].
-pub const EXECUTE_COMMAND_EXIT_CODE_MISMATCH_MSG_PREFIX: &str =
-    "ExecuteCommand exit code mismatch: expected ";
-
-/// Single typed authority for the host predicate. **All** consumers branch on this enum;
-/// `Fail(String)` is rendered only at the reporting edge by [`Self::into_claim_result`].
-/// **P2(a)–(e) realization (T-PB-B Worker 4):**
-/// - (a) typed results: variants only; no `Other(ClaimResult)` partial carrier.
-/// - (b) isolated logical-child I/O: wrapper stderr is `/dev/null`; the helper binary inherits stdio normally and
-///   logical stderr to `/dev/null` before `exec`. The only structural channel between
-///   bootstrap and parent is the [`UnshareReadyPipe`] sentinel (typed bytes, not strings).
-/// - (c) setup ≠ logical exit: `SetupFailed` and `SpawnFailed` are distinct from
-///   `Matched`/`Mismatch` — they cannot be reinterpreted in one hop.
-/// - (d) no implicit re-execution: namespace setup failure → direct fallback runs as the
-///   *first* logical run (the unshare wrapper never reached `exec`). The empty-stderr
-///   relaunch and non-zero host-confirmation re-execs are deleted.
-/// - (e) drains and authority: no draining is necessary — wrapper stderr is `/dev/null`, so
-///   no parent-readable stream can be claimed as evidence by a later step.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum ExecuteCommandHostOutcome {
-    /// Logical exit equaled the claim.
-    Matched,
-    /// Logical exit observed and did not match the claim. M1.5 maps this alone to
-    /// propositional `false` for the exit predicate.
-    Mismatch { expected: i64, actual: i64 },
-    /// Pre-spawn input policy rejected the claim (e.g. shell `&` background).
-    PolicyRejected { policy: PolicyReject },
-    /// `Command::spawn` failed, or the unshare bootstrap detected the logical command was
-    /// not executable. `wrapper` is `Some(_)` only when the unshare wrapper itself failed to
-    /// spawn before falling back to direct.
-    SpawnFailed {
-        wrapper: Option<String>,
-        direct: String,
-    },
-    /// Namespace / wrapper setup failed *before* the logical command ran. Only produced when
-    /// the direct fallback also could not spawn — a successful direct fallback becomes the
-    /// authoritative run and is reported as `Matched` / `Mismatch` / etc.
-    SetupFailed { reason: SetupFailReason },
-    /// Wait-loop failure: timeout, IO, or signal-termination (no exit code).
-    WaitFailed(WaitFail),
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum PolicyReject {
-    /// `sh -c` script with a bare `&` not elidable as `&&` / fd redirect.
-    ShellBackgroundUnbounded,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum SetupFailReason {
-    /// `unshare(1)` exited before the helper ran (namespace / clone / permission). The runner
-    /// attempted a direct fallback; this carrier is only produced when that fallback also
-    /// failed to spawn.
-    NamespaceSetupAndDirectSpawnFailed { direct: String },
-    /// The `gunbc_execute_command_bootstrap` helper binary could not be located at runtime
-    /// (build-graph misconfiguration: `cargo test -p v3-compiler` without a prior
-    /// `cargo build -p execute-command-bootstrap`, or the `GUNBC_EXECUTE_COMMAND_BOOTSTRAP`
-    /// override pointing at a missing path). Distinct from `NamespaceSetupAndDirectSpawnFailed`
-    /// because no `unshare(1)` or direct `Child` was attempted — surfacing this as that
-    /// variant would lie about which steps failed (api-review cursor/composer-2 sha 7dd7825b).
-    HelperBinaryMissing { reason: String },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum WaitFail {
-    WallTimeout {
-        wall_time: Duration,
-    },
-    Io(String),
-    /// Child terminated by signal — `ExitStatus::code()` returned `None`.
-    TerminatedBySignal,
-}
-
-impl ExecuteCommandHostOutcome {
-    /// [`ClaimResult`] for [`TestRunner`] and `.dag` reporting; match on
-    /// [`ExecuteCommandHostOutcome`] before calling when you need typed discrimination.
-    pub fn into_claim_result(self) -> ClaimResult {
-        match self {
-            ExecuteCommandHostOutcome::Matched => ClaimResult::Pass,
-            ExecuteCommandHostOutcome::Mismatch { expected, actual } => ClaimResult::Fail(format!(
-                "{EXECUTE_COMMAND_EXIT_CODE_MISMATCH_MSG_PREFIX}{expected}, got {actual}"
-            )),
-            ExecuteCommandHostOutcome::PolicyRejected { policy } => match policy {
-                PolicyReject::ShellBackgroundUnbounded => {
-                    ClaimResult::Fail(SHELL_C_BACKGROUND_UNBOUNDED_FAIL.to_string())
-                }
-            },
-            ExecuteCommandHostOutcome::SpawnFailed { wrapper, direct } => match wrapper {
-                Some(w) => ClaimResult::Fail(format!(
-                    "ExecuteCommand: unshare(1) wrapper failed to spawn: {w}; direct spawn also failed: {direct} (P3/P4 — util-linux/namespace or host binary path)"
-                )),
-                None => ClaimResult::Fail(format!("ExecuteCommand spawn error: {direct}")),
-            },
-            ExecuteCommandHostOutcome::SetupFailed { reason } => match reason {
-                SetupFailReason::NamespaceSetupAndDirectSpawnFailed { direct } => {
-                    ClaimResult::Fail(format!(
-                        "ExecuteCommand: namespace setup failed and direct fallback spawn also failed: {direct}"
-                    ))
-                }
-                SetupFailReason::HelperBinaryMissing { reason } => ClaimResult::Fail(format!(
-                    "ExecuteCommand: gunbc_execute_command_bootstrap helper not found: {reason}"
-                )),
-            },
-            ExecuteCommandHostOutcome::WaitFailed(w) => match w {
-                WaitFail::WallTimeout { wall_time } => ClaimResult::Fail(format!(
-                    "ExecuteCommand: process exceeded {:.2}s wall-clock limit (timeout — process group / child killed, fail-closed)",
-                    wall_time.as_secs_f64()
-                )),
-                WaitFail::Io(err) => ClaimResult::Fail(format!(
-                    "ExecuteCommand: wait on child failed: {err}"
-                )),
-                WaitFail::TerminatedBySignal => ClaimResult::Fail(
-                    "ExecuteCommand: child terminated by signal (no host exit code)".to_string(),
-                ),
-            },
-        }
-    }
-}
-
-/// M1.5 and other **boolean** predicate reads: only these outcomes map to propositional
-/// true/false; all other results are `Err(ClaimResult)` (not "false" for the claim).
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum ExecuteCommandM1_5Proposition {
-    Satisfied,
-    UnsatisfiedExitMismatch,
-}
-
-/// Distinguish "exit ≠ expect" from timeout, spawn error, `&` policy, signal, etc. `Err` is
-/// the rendered [`ClaimResult`] (use [`evaluate_execute_command_host_outcome`] directly when
-/// you need the typed discriminant).
-pub fn evaluate_execute_command_m1_5(
-    command: &str,
-    args: &[String],
-    expect_exit_code: i64,
-) -> Result<ExecuteCommandM1_5Proposition, ClaimResult> {
-    match evaluate_execute_command_host_outcome(
-        command,
-        args,
-        expect_exit_code,
-        EXECUTE_COMMAND_WALL_TIMEOUT,
-    ) {
-        ExecuteCommandHostOutcome::Matched => Ok(ExecuteCommandM1_5Proposition::Satisfied),
-        ExecuteCommandHostOutcome::Mismatch { .. } => {
-            Ok(ExecuteCommandM1_5Proposition::UnsatisfiedExitMismatch)
-        }
-        other => Err(other.into_claim_result()),
-    }
-}
-
-/// Core host run: typed outcome. See [`ExecuteCommandHostOutcome`] for the P2(a)–(e)
-/// realization. Map to [`ClaimResult`] with [`ExecuteCommandHostOutcome::into_claim_result`]
-/// for [`TestRunner`].
-pub fn evaluate_execute_command_host_outcome(
-    command: &str,
-    args: &[String],
-    expect_exit_code: i64,
-    wall_time: Duration,
-) -> ExecuteCommandHostOutcome {
-    if reject_unbounded_shell_background(command, args).is_some() {
-        return ExecuteCommandHostOutcome::PolicyRejected {
-            policy: PolicyReject::ShellBackgroundUnbounded,
-        };
-    }
-    #[cfg(target_os = "linux")]
-    {
-        run_linux_unshare_then_direct(command, args, expect_exit_code, wall_time)
-    }
-    #[cfg(not(target_os = "linux"))]
-    {
-        run_direct(command, args, expect_exit_code, wall_time, None)
-    }
-}
-
-/// Direct (non-unshare) host run. `wrapper_err` is `Some(_)` when this is the fallback after
-/// `unshare(1)` itself failed to spawn; it is preserved in `SpawnFailed { wrapper, direct }`
-/// if direct also fails, so the caller does not lose the wrapper-side reason.
-fn run_direct(
-    command: &str,
-    args: &[String],
-    expect_exit_code: i64,
-    wall_time: Duration,
-    wrapper_err: Option<String>,
-) -> ExecuteCommandHostOutcome {
-    let mut child = match build_execute_command_process(command, args).spawn() {
-        Ok(c) => c,
-        Err(e) => {
-            return ExecuteCommandHostOutcome::SpawnFailed {
-                wrapper: wrapper_err,
-                direct: format!("{e}"),
-            };
-        }
-    };
-    finish_after_wait(&mut child, expect_exit_code, wall_time)
-}
-
-#[cfg(target_os = "linux")]
-fn run_linux_unshare_then_direct(
-    command: &str,
-    args: &[String],
-    expect_exit_code: i64,
-    wall_time: Duration,
-) -> ExecuteCommandHostOutcome {
-    // Locate the helper binary BEFORE creating the pipe. If the helper is missing this is a
-    // configuration error — surface as a typed `SetupFailed` so a misconfigured deployment
-    // cannot silently degrade through `run_direct` (which would skip the unshare containment
-    // entirely without the operator knowing).
-    let helper = match locate_unshare_bootstrap_helper() {
-        Ok(p) => p,
-        Err(reason) => {
-            return ExecuteCommandHostOutcome::SetupFailed {
-                reason: SetupFailReason::HelperBinaryMissing { reason },
-            };
-        }
-    };
-    let mut ready = match UnshareReadyPipe::new() {
-        Ok(p) => p,
-        Err(e) => {
-            // pipe2 failed — drop the unshare path entirely and try direct.
-            return run_direct(
-                command,
-                args,
-                expect_exit_code,
-                wall_time,
-                Some(format!("ready-pipe: {e}")),
-            );
-        }
-    };
-    let mut child = match build_execute_command_unshare(&helper, command, args, &ready).spawn() {
-        Ok(c) => c,
-        Err(e_unshare) => {
-            return run_direct(
-                command,
-                args,
-                expect_exit_code,
-                wall_time,
-                Some(format!("{e_unshare}")),
-            );
-        }
-    };
-    // Close parent's write end so the read end sees EOF after the child exits.
-    ready.close_write_end_in_parent();
-
-    let status = match child_wait_for_execute_command(&mut child, wall_time) {
-        Ok(s) => s,
-        Err(ChildWaitFail::WallTimeout { wall_time }) => {
-            return ExecuteCommandHostOutcome::WaitFailed(WaitFail::WallTimeout { wall_time });
-        }
-        Err(ChildWaitFail::Io(err)) => {
-            return ExecuteCommandHostOutcome::WaitFailed(WaitFail::Io(err));
-        }
-    };
-
-    let sentinel = match ready.read_sentinel() {
-        Ok(bytes) => bytes,
-        Err(io_err) => {
-            // Sentinel read failed (real error, not EINTR — that's retried in-loop). After
-            // the unshare child has been reaped we cannot rule out that the logical command
-            // already ran. Surfacing as a typed wait-failure (NOT a `NamespaceSetupFailed` →
-            // direct fallback) avoids implicit re-execution. (api-review openai-pro/
-            // gpt-5-5-pro sha 9fea084e.)
-            return ExecuteCommandHostOutcome::WaitFailed(WaitFail::Io(format!(
-                "ready-pipe read: {io_err}"
-            )));
-        }
-    };
-    match unshare_bootstrap_stage_from_sentinel(&sentinel) {
-        UnshareBootstrapStage::LogicalCommandExeced => {
-            classify_logical_exit(status, expect_exit_code)
-        }
-        UnshareBootstrapStage::LogicalCommandNotExecutable => {
-            ExecuteCommandHostOutcome::SpawnFailed {
-                wrapper: None,
-                direct: format!(
-                    "logical command `{command}` not executable (no such file or not in PATH)"
-                ),
-            }
-        }
-        UnshareBootstrapStage::LogicalExecFailed => {
-            // Probe passed but `execvp(3)` returned a failure (TOCTOU, ENOEXEC, ETXTBSY,
-            // ...). The wrapper exit code is the helper binary's, NOT the logical command's
-            // — surface as `SpawnFailed` so a claim expecting (e.g.) 126 cannot Match an
-            // unexec'd binary (P2(c) regression manager flagged on draft review).
-            ExecuteCommandHostOutcome::SpawnFailed {
-                wrapper: None,
-                direct: format!(
-                    "logical command `{command}` failed to exec after executable probe passed (TOCTOU/ENOEXEC/ETXTBSY)"
-                ),
-            }
-        }
-        UnshareBootstrapStage::NamespaceSetupFailed => {
-            // util-linux exited before the helper binary ran. Direct fallback is the *first*
-            // logical run, not a recovery re-exec (P2(d)).
-            match build_execute_command_process(command, args).spawn() {
-                Ok(mut direct_child) => {
-                    finish_after_wait(&mut direct_child, expect_exit_code, wall_time)
-                }
-                Err(e) => ExecuteCommandHostOutcome::SetupFailed {
-                    reason: SetupFailReason::NamespaceSetupAndDirectSpawnFailed {
-                        direct: format!("{e}"),
-                    },
-                },
-            }
-        }
-    }
-}
-
-fn finish_after_wait(
-    child: &mut std::process::Child,
-    expect_exit_code: i64,
-    wall_time: Duration,
-) -> ExecuteCommandHostOutcome {
-    match child_wait_for_execute_command(child, wall_time) {
-        Ok(status) => classify_logical_exit(status, expect_exit_code),
-        Err(ChildWaitFail::WallTimeout { wall_time }) => {
-            ExecuteCommandHostOutcome::WaitFailed(WaitFail::WallTimeout { wall_time })
-        }
-        Err(ChildWaitFail::Io(err)) => ExecuteCommandHostOutcome::WaitFailed(WaitFail::Io(err)),
-    }
-}
-
-fn classify_logical_exit(
-    status: std::process::ExitStatus,
-    expect_exit_code: i64,
-) -> ExecuteCommandHostOutcome {
-    let Some(actual) = status.code().map(i64::from) else {
-        return ExecuteCommandHostOutcome::WaitFailed(WaitFail::TerminatedBySignal);
-    };
-    if actual == expect_exit_code {
-        ExecuteCommandHostOutcome::Matched
-    } else {
-        ExecuteCommandHostOutcome::Mismatch {
-            expected: expect_exit_code,
-            actual,
-        }
-    }
-}
-
-fn evaluate_execute_command_exit_code_with_wall_time(
-    command: &str,
-    args: &[String],
-    expect_exit_code: i64,
-    wall_time: Duration,
-) -> ClaimResult {
-    evaluate_execute_command_host_outcome(command, args, expect_exit_code, wall_time)
-        .into_claim_result()
-}
-
-#[derive(Debug, Clone)]
-pub struct TestClaimValue {
-    pub claim_name: String,
-    pub declaration_file: String,
-    pub source: String,
-    pub file_name: String,
-    pub predicate: FieldValue,
-    pub requires: Vec<FieldValue>,
-}
-
-pub struct TestRunner<'a> {
-    dag: &'a Dag,
-}
-
-/// Resolved `PerfBaselineMeasurement` carrier read from a `.dag data`
-/// declaration body. Consumed by [`TestRunner::eval_perf_within_baseline`]
-/// to apply the Director-locked Tier-3 budget thresholds (`r3-structure.md`
-/// §225). Carrier shape mirrors `src/v3/std/substrate.dag` `PerfBaselineMeasurement`.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct PerfMeasurement {
-    median_ns: i64,
-    p99_ns: i64,
-}
-
-/// Which budget axis overflowed when computing thresholds; produced by
-/// [`compute_perf_budget_bounds`]. Single-authority for the §225 ratio
-/// arithmetic — both the runtime evaluator and unit tests call through
-/// this function so the `× 2` / `× 5` constants live in one place.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum PerfBudgetOverflow {
-    Median,
-    P99,
-}
-
-/// Apply the Director-locked §225 ratio thresholds to a baseline:
-/// `median_bound = baseline.median_ns × 2`, `p99_bound = baseline.p99_ns × 5`
-/// where `baseline.p99_ns` is the **absolute** p99 (`median_ns + p99_delta_ns`
-/// from substrate `PerfBaselineMeasurement`).
-/// Saturate-on-overflow → `Err(PerfBudgetOverflow::*)` so the runtime can
-/// fail-closed without silently wrapping. Single-authority for the budget
-/// arithmetic per `INVARIANTS.md` P2.
-fn compute_perf_budget_bounds(baseline: PerfMeasurement) -> Result<(i64, i64), PerfBudgetOverflow> {
-    let median_bound = baseline
-        .median_ns
-        .checked_mul(2)
-        .ok_or(PerfBudgetOverflow::Median)?;
-    let p99_bound = baseline
-        .p99_ns
-        .checked_mul(5)
-        .ok_or(PerfBudgetOverflow::P99)?;
-    Ok((median_bound, p99_bound))
-}
-
-/// Typed resolver failures for [`TestRunner::perf_baseline_measurement`].
-/// Per `CODING.md` typed-error discipline: raw `String` is reserved for the
-/// `ClaimResult::Fail` boundary at [`PerfMeasurementResolveError::into_claim_fail`];
-/// inner helpers carry structural variants.
-///
-/// **🟢 TERMINAL coproduct** (per `docs/modeling-discipline.md` Practice 4
-/// classification checkpoint). Variants enumerate failure shapes when reading a
-/// `PerfBaselineMeasurement` data declaration: missing declaration, wrong
-/// connective, missing/wrong-kind fields, negative `Nat` literals where the
-/// substrate requires nonnegative durations, or `median_ns + p99_delta_ns` overflow
-/// when constructing absolute p99 for evaluation.
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum PerfMeasurementResolveError {
-    /// `DeclarationId` did not resolve via [`Dag::declaration_opt`] —
-    /// substrate-integrity violation.
-    MissingDeclaration,
-    /// Declaration's `value_body` is not `ValueBody::Structural` (e.g.
-    /// `Unparsed`, `Scalar`, `List`, or `None`); a `PerfBaselineMeasurement`
-    /// data declaration must be a record literal.
-    WrongConnective,
-    /// Required field absent from the structural record body.
-    MissingField { field: &'static str },
-    /// Required field present but not `FieldValue::Literal(LiteralBits::Int(_))`.
-    WrongFieldKind { field: &'static str },
-    /// Field is an `Int` literal but negative while `PerfBaselineMeasurement` uses
-    /// `Nat` in `substrate.dag` (fail-closed vs silently treating delta as signed).
-    NegativeNatLiteral { field: &'static str },
-    /// `median_ns + p99_delta_ns` does not fit in `i64` (substrate uses `Nat`;
-    /// absolute p99 construction is fail-closed).
-    P99ConstructionOverflow,
-}
-
-impl PerfMeasurementResolveError {
-    /// Convert the typed error into `ClaimResult::Fail` reason text with the
-    /// role label preserved for triage.
-    fn into_claim_fail(self, role: &str) -> String {
-        match self {
-            Self::MissingDeclaration => format!(
-                "PerfWithinBaseline `{role}`: declaration id did not resolve in DAG \
-                 (substrate-integrity violation)"
-            ),
-            Self::WrongConnective => format!(
-                "PerfWithinBaseline `{role}`: declaration is not a structural record \
-                 (expected `PerfBaselineMeasurement {{ median_ns, p99_delta_ns }}`)"
-            ),
-            Self::MissingField { field } => {
-                format!("PerfWithinBaseline `{role}`: record is missing required field `{field}`")
-            }
-            Self::WrongFieldKind { field } => {
-                format!("PerfWithinBaseline `{role}`: field `{field}` is not an Int literal")
-            }
-            Self::NegativeNatLiteral { field } => format!(
-                "PerfWithinBaseline `{role}`: field `{field}` must be a nonnegative Nat literal"
-            ),
-            Self::P99ConstructionOverflow => format!(
-                "PerfWithinBaseline `{role}`: median_ns + p99_delta_ns overflowed i64 \
-                 (absolute p99 construction fail-closed)"
-            ),
-        }
-    }
-}
-
-enum ProgramInputRole {
-    ProgramInput,
-    ProgramOutputBind { output_bind_name: String },
-}
-
-impl ProgramInputRole {
-    fn output_bind_name(&self) -> Option<&str> {
-        match self {
-            Self::ProgramInput => None,
-            Self::ProgramOutputBind { output_bind_name } => Some(output_bind_name),
-        }
-    }
-
-    fn is_program_input(&self) -> bool {
-        matches!(self, Self::ProgramInput)
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum DiagnosticDetailFilter {
-    Any,
-    Contains(String),
-}
-
-fn tc2_church_rosser_strict_fire_report_role_ids(
-    dag: &Dag,
-    left_id: DeclarationId,
-    right_id: DeclarationId,
-) -> bool {
-    declaration_has_exact_name(dag, left_id, TC2_CHURCH_ROSSER_STRICT_FIRE_LEFT_REPORT)
-        && declaration_has_exact_name(dag, right_id, TC2_CHURCH_ROSSER_STRICT_FIRE_RIGHT_REPORT)
-}
-
-fn declaration_has_exact_name(dag: &Dag, id: DeclarationId, expected: &str) -> bool {
-    dag.declaration(id).name.as_deref() == Some(expected)
-}
-
-fn tc3_pattern_a_second_mover_strict_fire_report_role_ids(
-    dag: &Dag,
-    left_id: DeclarationId,
-    right_id: DeclarationId,
-) -> bool {
-    declaration_has_exact_name(dag, left_id, TC3_PATTERN_A_BASELINE_REPORT)
-        && declaration_has_exact_name(dag, right_id, TC3_PATTERN_A_COMPARE_REPORT)
-}
-
-/// Build one TC3 second-mover projection report by evaluating the program under the supplied
-/// applicative `InputEvaluationOrder`. The baseline projection runs `LeftFirst`; the compare
-/// projection runs `RightFirst`. Strong-normalization is the load-bearing claim — under any
-/// terminating reduction order the program reaches the same top-level `Value`, so the two
-/// projections (genuinely distinct evaluator runs through `evaluate_body`) must agree on
-/// `Value` for `BinaryDimensionReportEquals` to Pass. The resulting envelope carries the
-/// projection's `dimension_name` so the report-pair is non-vacuous in the equivalence check.
-fn build_tc3_pattern_a_second_mover_projection_report(
-    program_dag: &Dag,
-    bind_id: NodeId,
-    dimension_name: &str,
-    order: InputEvaluationOrder,
-) -> Result<(DimensionReport<Dag>, Value), EvalError> {
-    let frame = EvalFrame::from_bindings(Vec::<(PortId, Value)>::new()).expect("empty root frame");
-    let mut state = EvalStateStack::with_root_frame(frame);
-    let strategy = EvalStrategy::ApplicativeOrder { input_order: order };
-    let value = evaluate_body(program_dag, bind_id, &mut state, strategy)?;
-    let report = DimensionReport::DimensionOk {
-        dimension_name: dimension_name.to_string(),
-        composed: program_dag.clone(),
-        witnesses: Vec::new(),
-    };
-    Ok((report, value))
-}
-
-/// Receipt for the TC3 Pattern-A second-mover **host slice** (bounded runner bridge).
-///
-/// Load-bearing: identical evaluated top-level [`Value`]s under genuinely distinct evaluator
-/// runs — `LeftFirst` (baseline projection) vs `RightFirst` (compare projection). For
-/// strongly-normalizing programs every reduction order yields the same value; disagreement here
-/// is a strong-normalization counterexample on this representative. Envelope: both sides are
-/// [`DimensionReport::DimensionOk`] with empty witness lists (scaffold) and distinct
-/// `dimension_name` strings so the two projection roles were exercised. `composed` is the same
-/// lowered-program `Dag` clone by construction; a future substrate-side eval-step / bounded-step
-/// producer (per `r3-evaluator-tc3-d4-eval-step-producer-worker.md`) would supply non-vacuous
-/// witnesses / divergent carriers.
-fn tc3_pattern_a_second_mover_dimension_reports_equivalent_under_binary_equals(
-    left: &DimensionReport<Dag>,
-    left_value: &Value,
-    right: &DimensionReport<Dag>,
-    right_value: &Value,
-) -> bool {
-    if left_value != right_value {
-        return false;
-    }
-    match (left, right) {
-        (
-            DimensionReport::DimensionOk {
-                witnesses: lw,
-                dimension_name: na,
-                ..
-            },
-            DimensionReport::DimensionOk {
-                witnesses: rw,
-                dimension_name: nb,
-                ..
-            },
-        ) => na != nb && lw.is_empty() && rw.is_empty(),
-        _ => false,
-    }
-}
-
-fn tc2_church_rosser_strategy_dimension_name(order: InputEvaluationOrder) -> String {
-    match order {
-        InputEvaluationOrder::LeftFirst => {
-            "tc2_church_rosser:ApplicativeOrder:LeftFirst".to_string()
-        }
-        InputEvaluationOrder::RightFirst => {
-            "tc2_church_rosser:ApplicativeOrder:RightFirst".to_string()
-        }
-    }
-}
-
-fn build_tc2_church_rosser_strategy_dimension_report(
-    program_dag: &Dag,
-    bind_id: NodeId,
-    order: InputEvaluationOrder,
-) -> Result<(DimensionReport<Dag>, Value), EvalError> {
-    let frame = EvalFrame::from_bindings(Vec::<(PortId, Value)>::new()).expect("empty root frame");
-    let mut state = EvalStateStack::with_root_frame(frame);
-    let dimension_name = tc2_church_rosser_strategy_dimension_name(order.clone());
-    let strategy = EvalStrategy::ApplicativeOrder { input_order: order };
-    let value = evaluate_body(program_dag, bind_id, &mut state, strategy)?;
-    let report = DimensionReport::DimensionOk {
-        dimension_name,
-        composed: program_dag.clone(),
-        witnesses: Vec::new(),
-    };
-    Ok((report, value))
-}
-
-/// Receipt for the TC2 Church-Rosser **host slice** (bounded runner bridge).
-///
-/// Load-bearing: identical evaluated top-level [`Value`]s under `LeftFirst` vs `RightFirst`.
-/// Envelope: both sides are [`DimensionReport::DimensionOk`] with empty witness lists (scaffold),
-/// and distinct `dimension_name` strings so the two requested strategies were exercised.
-/// `composed` is always the same lowered-program `Dag` clone by construction, so it is not used
-/// for inequality here (a future substrate producer would supply non-vacuous witnesses / carriers).
-fn tc2_church_rosser_dimension_reports_equivalent_under_binary_equals(
-    left: &DimensionReport<Dag>,
-    left_value: &Value,
-    right: &DimensionReport<Dag>,
-    right_value: &Value,
-) -> bool {
-    if left_value != right_value {
-        return false;
-    }
-    match (left, right) {
-        (
-            DimensionReport::DimensionOk {
-                witnesses: lw,
-                dimension_name: na,
-                ..
-            },
-            DimensionReport::DimensionOk {
-                witnesses: rw,
-                dimension_name: nb,
-                ..
-            },
-        ) => na != nb && lw.is_empty() && rw.is_empty(),
-        _ => false,
-    }
-}
-
-impl<'a> TestRunner<'a> {
-    pub fn new(dag: &'a Dag) -> Self {
-        Self { dag }
-    }
-
-    pub fn run_suite(&self, suite_name: &str) -> Vec<ClaimEvaluation> {
-        let Some(suite) = self.dag.declaration_by_name(suite_name) else {
-            return vec![ClaimEvaluation {
-                claim_name: suite_name.to_string(),
-                result: ClaimResult::Fail(format!("TestSuite `{suite_name}` not found")),
-            }];
-        };
-        let Some(fields) = structural_fields(suite) else {
-            return vec![ClaimEvaluation {
-                claim_name: suite_name.to_string(),
-                result: ClaimResult::Fail(format!("TestSuite `{suite_name}` is not structural")),
-            }];
-        };
-        let Some(FieldValue::List(claims)) = field(fields, "claims") else {
-            return vec![ClaimEvaluation {
-                claim_name: suite_name.to_string(),
-                result: ClaimResult::Fail(format!("TestSuite `{suite_name}` is missing `claims`")),
-            }];
-        };
-        claims
-            .iter()
-            .map(|entry| self.run_suite_entry(suite_name, entry))
-            .collect()
-    }
-
-    fn run_suite_entry(&self, suite_name: &str, entry: &FieldValue) -> ClaimEvaluation {
-        let Some((label, payload)) = self.variant_value(entry) else {
-            return ClaimEvaluation {
-                claim_name: suite_name.to_string(),
-                result: ClaimResult::Fail(format!(
-                    "TestSuite `{suite_name}` claim entry is not a SuiteClaim variant: {entry:?}"
-                )),
-            };
-        };
-        // Both `SuiteClaim` variants are single-argument coproduct arms
-        // (`Enumerated(TestClaim)` / `Quantified(QuantifiedTestClaim)`) — any
-        // other payload arity is ill-shaped and must fail closed at the
-        // boundary (INVARIANTS P3).
-        if payload.len() != 1 {
-            return ClaimEvaluation {
-                claim_name: suite_name.to_string(),
-                result: ClaimResult::Fail(format!(
-                    "TestSuite `{suite_name}` `{label}` expects exactly 1 payload argument, got {}: {payload:?}",
-                    payload.len()
-                )),
-            };
-        }
-        let Some(FieldValue::Reference(id)) = payload.first() else {
-            return ClaimEvaluation {
-                claim_name: suite_name.to_string(),
-                result: ClaimResult::Fail(format!(
-                    "TestSuite `{suite_name}` `{label}` payload is not a reference: {payload:?}"
-                )),
-            };
-        };
-        let decl = self.dag.declaration(*id);
-        let decl_label = decl
-            .name
-            .clone()
-            .unwrap_or_else(|| format!("Declaration#{}", id.raw()));
-        match label.as_str() {
-            "Enumerated" => match TestClaimValue::from_declaration(decl) {
-                Ok(claim) => self.run_claim(&claim),
-                Err(reason) => ClaimEvaluation {
-                    claim_name: decl_label,
-                    result: ClaimResult::Fail(reason),
-                },
-            },
-            "Quantified" => match parse_quantified_test_claim_for_evaluation(self.dag, decl) {
-                Ok(parsed) => self.evaluate_quantified_test_claim(parsed),
-                Err(reason) => ClaimEvaluation {
-                    claim_name: decl_label,
-                    result: ClaimResult::Fail(reason),
-                },
-            },
-            other => ClaimEvaluation {
-                claim_name: suite_name.to_string(),
-                result: ClaimResult::Fail(format!(
-                    "TestSuite `{suite_name}` unknown SuiteClaim variant `{other}`"
-                )),
-            },
-        }
-    }
-
-    fn evaluate_quantified_test_claim(&self, q: ParsedQuantifiedTestClaim) -> ClaimEvaluation {
-        let ParsedQuantifiedTestClaim {
-            name: claim_name,
-            declaration_file,
-            shapes,
-            quantifier,
-            predicate,
-            requires,
-        } = q;
-
-        match quantifier {
-            QuantifierKind::ForAll => {
-                if shapes.is_empty() {
-                    return ClaimEvaluation {
-                        claim_name,
-                        result: ClaimResult::Pass,
-                    };
-                }
-                // Tri-state fold (codex/api-review): decisive Fail short-circuits; accumulate first
-                // NotYetImplemented and continue — refute ∃ decisive counterexample before surfacing
-                // deferred predicate scaffolding (design-tests-as-data-completeness §8.1).
-                let mut pending_nyi: Option<(usize, String, String)> = None;
-                for (idx, (source, file_name)) in shapes.iter().enumerate() {
-                    let claim = TestClaimValue {
-                        claim_name: claim_name.clone(),
-                        declaration_file: declaration_file.clone(),
-                        source: source.clone(),
-                        file_name: file_name.clone(),
-                        predicate: predicate.clone(),
-                        requires: requires.clone(),
-                    };
-                    match self.run_claim(&claim).result {
-                        ClaimResult::Pass => {}
-                        ClaimResult::Fail(msg) => {
-                            return ClaimEvaluation {
-                                claim_name: claim_name.clone(),
-                                result: ClaimResult::Fail(format!(
-                                    "QuantifiedTestClaim `{claim_name}` ForAll failed at sample {} of {} (`{file_name}`): {msg}",
-                                    idx + 1,
-                                    shapes.len(),
-                                )),
-                            };
-                        }
-                        ClaimResult::NotYetImplemented(msg) => {
-                            if pending_nyi.is_none() {
-                                pending_nyi = Some((idx + 1, file_name.clone(), msg));
-                            }
-                        }
-                    }
-                }
-                if let Some((sample_idx, file_name, msg)) = pending_nyi {
-                    let cn = claim_name.clone();
-                    return ClaimEvaluation {
-                        claim_name,
-                        result: ClaimResult::NotYetImplemented(format!(
-                            "QuantifiedTestClaim `{cn}` ForAll predicate NotYetImplemented at sample {sample_idx} of {} (`{file_name}`): {msg}; quantifier fold: no decisive Fail among other samples — cannot certify universal quantification until deferred predicate(s) land",
-                            shapes.len(),
-                        )),
-                    };
-                }
-                ClaimEvaluation {
-                    claim_name,
-                    result: ClaimResult::Pass,
-                }
-            }
-            QuantifierKind::Exists => {
-                if shapes.is_empty() {
-                    return ClaimEvaluation {
-                        claim_name: claim_name.clone(),
-                        result: ClaimResult::Fail(format!(
-                            "QuantifiedTestClaim `{claim_name}` Exists found no witness among 0 programs"
-                        )),
-                    };
-                }
-                // Tri-state fold: seek a decisive Pass; skip Fail; defer first NYI but keep scanning —
-                // order must not suppress a later witness (§8.1 symmetry vs ForAll fail-fast).
-                let mut pending_nyi: Option<(usize, String, String)> = None;
-                for (idx, (source, file_name)) in shapes.iter().enumerate() {
-                    let claim = TestClaimValue {
-                        claim_name: claim_name.clone(),
-                        declaration_file: declaration_file.clone(),
-                        source: source.clone(),
-                        file_name: file_name.clone(),
-                        predicate: predicate.clone(),
-                        requires: requires.clone(),
-                    };
-                    match self.run_claim(&claim).result {
-                        ClaimResult::Pass => {
-                            return ClaimEvaluation {
-                                claim_name,
-                                result: ClaimResult::Pass,
-                            };
-                        }
-                        ClaimResult::Fail(_) => {}
-                        ClaimResult::NotYetImplemented(msg) => {
-                            if pending_nyi.is_none() {
-                                pending_nyi = Some((idx + 1, file_name.clone(), msg));
-                            }
-                        }
-                    }
-                }
-                if let Some((sample_idx, file_name, msg)) = pending_nyi {
-                    let cn = claim_name.clone();
-                    return ClaimEvaluation {
-                        claim_name,
-                        result: ClaimResult::NotYetImplemented(format!(
-                            "QuantifiedTestClaim `{cn}` Exists predicate NotYetImplemented at sample {sample_idx} of {} (`{file_name}`): {msg}; quantifier fold: no decisive Pass among samples — cannot certify existential witness until deferred predicate(s) land",
-                            shapes.len(),
-                        )),
-                    };
-                }
-                let msg = format!(
-                    "QuantifiedTestClaim `{}` Exists found no witness among {} programs",
-                    claim_name,
-                    shapes.len()
-                );
-                ClaimEvaluation {
-                    claim_name,
-                    result: ClaimResult::Fail(msg),
-                }
-            }
-        }
-    }
-
-    pub fn run_claim(&self, claim: &TestClaimValue) -> ClaimEvaluation {
-        let result = match self.variant_value(&claim.predicate) {
-            Some((label, payload)) => {
-                if !claim.requires.is_empty()
-                    && !matches!(label.as_str(), "MockBackedInvariant" | "ForAllTargets")
-                {
-                    ClaimResult::Fail(format!(
-                        "TestClaim `{}` declares {} resource requirement(s), but predicate `{}` does not consume `requires`",
-                        claim.claim_name,
-                        claim.requires.len(),
-                        label
-                    ))
-                } else {
-                    match label.as_str() {
-                        "Compiles" => self.eval_compiles(claim),
-                        "FailsWithDiagnostic" => self.eval_fails_with_diagnostic(claim, &payload),
-                        "OutputEquals" => self.eval_output_equals(claim, &payload),
-                        "PortHasState" => self.eval_port_has_state(claim, &payload),
-                        "DeclarationHasRefinement" => {
-                            self.eval_declaration_has_refinement(claim, &payload)
-                        }
-                        "CostBounded" => self.eval_cost_bounded(claim, &payload),
-                        "PerfWithinBaseline" => self.eval_perf_within_baseline(claim, &payload),
-                        "LensOutputEquals" => self.eval_lens_output_equals(claim, &payload),
-                        "DifferentialEquals" => self.eval_differential_equals(claim, &payload),
-                        "ForAllTargets" => self.eval_for_all_targets(claim, &payload),
-                        "BinaryDimensionReportEquals" => {
-                            self.eval_binary_dimension_report_equals(claim, &payload)
-                        }
-                        "SymbolicCostExprEquals" => {
-                            self.eval_symbolic_cost_expr_equals_shape(claim, &payload, None)
-                        }
-                        "SymbolicCostExprEqualsForBindParam" => {
-                            self.eval_symbolic_cost_expr_equals_for_bind_param(claim, &payload)
-                        }
-                        "AlgebraicLaw" => self.eval_algebraic_law(claim, &payload),
-                        "ExecuteCommand" => self.eval_execute_command(claim, &payload),
-                        "CensusBoundCheck" => self.eval_census_bound_check_shape(claim, &payload),
-                        "CensusSubsetCount" => self.eval_census_subset_count_shape(claim, &payload),
-                        "FixedPointConverges" => {
-                            self.eval_fixed_point_converges_shape(claim, &payload)
-                        }
-                        "RatchetZero" => self.eval_ratchet_zero_shape(claim, &payload),
-                        "BridgeLedgerZero" => self.eval_bridge_ledger_zero(claim, &payload),
-                        "GeneratedFromDag" => self.eval_generated_from_dag_shape(claim, &payload),
-                        "CementingDispatchMatchesProjection" => {
-                            match cementing_dispatch::evaluate_cementing_dispatch_projection(
-                                self.dag,
-                                claim.declaration_file.as_str(),
-                                &payload,
-                            ) {
-                                Ok(()) => ClaimResult::Pass,
-                                Err(reason) => ClaimResult::Fail(reason),
-                            }
-                        }
-                        "ReleaseDeferredClaim" => {
-                            self.eval_release_deferred_claim_shape(claim, &payload)
-                        }
-                        "SubstrateResearchDeferredClaim" => {
-                            self.eval_substrate_research_deferred_claim_shape(claim, &payload)
-                        }
-                        "MockBackedInvariant" => {
-                            if !claim.requires.is_empty() {
-                                if let Err(reason) = self.validate_resource_requirements(claim) {
-                                    return ClaimEvaluation {
-                                        claim_name: claim.claim_name.clone(),
-                                        result: ClaimResult::Fail(reason),
-                                    };
-                                }
-                            }
-                            let inner = self.eval_mock_backed_invariant(claim, &payload);
-                            if claim.requires.is_empty() {
-                                match inner {
-                                    ClaimResult::Pass => ClaimResult::NotYetImplemented(
-                                        "MockBackedInvariant: `TestClaim.requires` is empty — DB-15 mock \
-                                     obligations attach only on `requires` as `ResourceReference` edges; \
-                                     hermetic subject/invariant application succeeded but is not a mock-backed \
-                                     receipt until at least one obligation is declared."
-                                            .to_string(),
-                                    ),
-                                    other => other,
-                                }
-                            } else {
-                                inner
-                            }
-                        }
-                        other => ClaimResult::NotYetImplemented(format!(
-                            "TestPredicate::{other} is not wired in the Rust runner yet"
-                        )),
-                    }
-                }
-            }
-            None => ClaimResult::Fail("predicate is not a structural variant".to_string()),
-        };
-        ClaimEvaluation {
-            claim_name: claim.claim_name.clone(),
-            result,
-        }
-    }
-
-    fn eval_compiles(&self, claim: &TestClaimValue) -> ClaimResult {
-        match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(_) => ClaimResult::Pass,
-            Err(CompileError::Semantic(_)) => {
-                ClaimResult::Fail("compiled with diagnostics".to_string())
-            }
-            Err(err) => {
-                ClaimResult::Fail(format!("compile failed before semantic analysis: {err:?}"))
-            }
-        }
-    }
-
-    fn eval_fails_with_diagnostic(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [reference] = payload else {
-            return ClaimResult::Fail(
-                "FailsWithDiagnostic payload should be a DiagnosticReference".to_string(),
-            );
-        };
-        match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(_) => ClaimResult::Fail("source compiled cleanly".to_string()),
-            Err(CompileError::Semantic(dag)) => match self.diagnostic_matches(&dag, reference) {
-                Ok(true) => ClaimResult::Pass,
-                Ok(false) => ClaimResult::Fail("expected diagnostic was not found".to_string()),
-                Err(reason) => ClaimResult::Fail(reason),
-            },
-            Err(CompileError::Tokenize(diagnostic)) | Err(CompileError::Parse(diagnostic)) => {
-                match self.diagnostic_matches_single(&diagnostic, reference) {
-                    Ok(true) => ClaimResult::Pass,
-                    Ok(false) => ClaimResult::Fail("expected diagnostic was not found".to_string()),
-                    Err(reason) => ClaimResult::Fail(reason),
-                }
-            }
-        }
-    }
-
-    fn eval_output_equals(&self, claim: &TestClaimValue, payload: &[FieldValue]) -> ClaimResult {
-        let [FieldValue::Literal(LiteralBits::String(expected))] = payload else {
-            return ClaimResult::Fail("OutputEquals payload should be a String".to_string());
-        };
-        let dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(err) => return ClaimResult::Fail(format!("source did not compile: {err:?}")),
-        };
-        let Some(value) = dag
-            .declarations()
-            .iter()
-            .find(|decl| decl.span.file == claim.file_name && decl.value_body.is_some())
-            .and_then(|decl| decl.value_body.as_ref())
-        else {
-            return ClaimResult::Fail("no data declaration value found".to_string());
-        };
-        let actual = render_value_body(&dag, value);
-        if actual == *expected {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!("expected `{expected}`, got `{actual}`"))
-        }
-    }
-
-    fn eval_port_has_state(&self, claim: &TestClaimValue, payload: &[FieldValue]) -> ClaimResult {
-        let [FieldValue::Literal(LiteralBits::String(bind_name)), expected_state] = payload else {
-            return ClaimResult::Fail(
-                "PortHasState payload should be (String, PortStateExpectation)".to_string(),
-            );
-        };
-        let dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => dag,
-            Err(err) => return ClaimResult::Fail(format!("source did not lower: {err:?}")),
-        };
-        let Some(bind) = find_bind(&dag, bind_name, &claim.file_name) else {
-            return ClaimResult::Fail(format!("bind `{bind_name}` not found"));
-        };
-        let Some((label, payload)) = self.variant_value(expected_state) else {
-            return ClaimResult::Fail("state expectation is not a variant".to_string());
-        };
-        if !payload.is_empty() {
-            return ClaimResult::Fail("state expectation should not carry payload".to_string());
-        }
-        let matches = matches!(
-            (label.as_str(), dag.port(bind.value).state()),
-            ("Resolved", PortState::Resolved(_))
-                | ("Unresolved", PortState::Uninferred | PortState::Unresolved)
-        );
-        if matches {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!("bind `{bind_name}` state did not match `{label}`"))
-        }
-    }
-
-    fn eval_declaration_has_refinement(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let name = match payload {
-            [FieldValue::Literal(LiteralBits::String(name))] => name.clone(),
-            [single] => {
-                let Some(fields) = record_fields(single) else {
-                    return ClaimResult::Fail(
-                        "DeclarationHasRefinement: expected `{ declaration_name: String }` record \
-                         or a bare String payload"
-                            .to_string(),
-                    );
-                };
-                match string_field(fields, "declaration_name") {
-                    Ok(s) => s,
-                    Err(e) => return ClaimResult::Fail(e),
-                }
-            }
-            _ => {
-                return ClaimResult::Fail(format!(
-                    "DeclarationHasRefinement: expected one payload field, got {}",
-                    payload.len()
-                ));
-            }
-        };
-        let dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(_)) => {
-                return ClaimResult::Fail("compiled with diagnostics".to_string());
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "DeclarationHasRefinement: compile failed before structural check: {err:?}"
-                ));
-            }
-        };
-        let Some(decl) = dag.declaration_by_name(&name) else {
-            return ClaimResult::Fail(format!(
-                "DeclarationHasRefinement: declaration `{name}` not found in `{}`",
-                claim.file_name
-            ));
-        };
-        if decl.refinement.is_some() {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "DeclarationHasRefinement: declaration `{name}` has no lowered `refinement` edge"
-            ))
-        }
-    }
-
-    fn eval_lens_output_equals(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [lens_fv, input_fv, expected_fv] = payload else {
-            return ClaimResult::Fail(format!(
-                "LensOutputEquals payload should be exactly three DeclarationRef fields \
-                 (lens_ref, input_ref, expected_ref); got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-        let lens_id = match self.resolve_declaration_ref_id(lens_fv, "lens_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let input_id = match self.resolve_declaration_ref_id(input_fv, "input_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let expected_id = match self.resolve_declaration_ref_id(expected_fv, "expected_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-
-        let lens_decl = self.dag.declaration(lens_id);
-        let input_decl = self.dag.declaration(input_id);
-        let expected_decl = self.dag.declaration(expected_id);
-
-        let lens_name = decl_display_name(lens_id, lens_decl);
-        let input_name = decl_display_name(input_id, input_decl);
-        let expected_name = decl_display_name(expected_id, expected_decl);
-
-        let program_input = match self.program_input_role(input_decl) {
-            Ok(role) => role,
-            Err(msg) => return ClaimResult::Fail(format!("LensOutputEquals: {msg}")),
-        };
-
-        if input_decl.value_body.is_none() && program_input.is_none() {
-            return ClaimResult::Fail(format!(
-                "LensOutputEquals: input_ref `{input_name}` has no value body"
-            ));
-        }
-        if expected_decl.value_body.is_none() {
-            return ClaimResult::Fail(format!(
-                "LensOutputEquals: expected_ref `{expected_name}` has no value body"
-            ));
-        }
-
-        // INVARIANTS P2 (executable single authority): `lens_ref` is the runner's lens identity.
-        // The lens body is applied from the same fixture Dag that resolved the `DeclarationRef`;
-        // reflected `FieldValue` List / Behavior variant ids therefore come from that Dag as well.
-        // `TestClaim.source` is the program under test, not a second lens-body authority.
-        // INVARIANTS P3 / TESTING: `TestClaim.source` must lower cleanly — never ignore
-        // tokenize/parse failures and fall back to the fixture graph (that would let malformed
-        // programs `Pass` when inputs/lens resolve only from the fixture).
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => {
-                return ClaimResult::Fail(format!(
-                    "LensOutputEquals: claim `source` / `{}` failed inference: {:?}",
-                    claim.file_name,
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "LensOutputEquals: claim `source` / `{}` did not compile: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-
-        if let Some(result) = self.eval_gate_87_cementing_projection(
-            lens_decl.name.as_deref(),
-            &lens_name,
-            &program_dag,
-            &claim.file_name,
-            expected_decl,
-            &expected_name,
-        ) {
-            return result;
-        }
-
-        // R3 gate #43 (`auto_parallelism_independent_binds_emit_parallel`): independent top-level
-        // binds must emit a parallel Rust schedule (`std::thread::scope`). Structural witness via
-        // program text — dissolution when ordinary DB-20 parallelism lens output reaches `.dag`.
-        if lens_decl.name.as_deref() == Some(R3_PARALLEL_EMIT_WITNESS_LENS_NAME) {
-            let expected_int = match expected_decl.value_body.as_ref() {
-                Some(ValueBody::Scalar(LiteralBits::Int(s))) => match s.parse::<i64>() {
-                    Ok(v) => v,
-                    Err(_) => {
-                        return ClaimResult::Fail(format!(
-                            "LensOutputEquals(r3_auto_parallelism_parallel_emit_witness): expected Int literal is not a valid i64 decimal for `{expected_name}`"
-                        ));
-                    }
-                },
-                _ => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals(r3_auto_parallelism_parallel_emit_witness): expected_ref `{expected_name}` must be `data …: Int = <literal>`"
-                    ));
-                }
-            };
-            let emitted = match crate::emit_rust::emit_rust(&program_dag) {
-                Ok(s) => s,
-                Err(err) => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals(r3_auto_parallelism_parallel_emit_witness): emit_rust failed for `{}`: {err:?}",
-                        claim.file_name
-                    ));
-                }
-            };
-            let parallel = emitted.contains("thread::scope");
-            let computed_int = i64::from(parallel);
-            return if computed_int == expected_int {
-                ClaimResult::Pass
-            } else {
-                ClaimResult::Fail(format!(
-                    "LensOutputEquals(r3_auto_parallelism_parallel_emit_witness): expected `{expected_int}` (1 = parallel schedule), computed `{computed_int}` for `{}`",
-                    claim.file_name
-                ))
-            };
-        }
-
-        // R3 gate #50 (`auto_memoization_no_caching_for_one_shot`): one-shot call sites must not
-        // emit memo/cache scaffolding. Structural witness via emitted Rust text; dissolution when
-        // the AutoMemoizationEvidence producer reaches `.dag`.
-        if lens_decl.name.as_deref() == Some(R3_ONE_SHOT_NO_MEMO_WITNESS_LENS_NAME) {
-            let expected_int = match expected_decl.value_body.as_ref() {
-                Some(ValueBody::Scalar(LiteralBits::Int(s))) => match s.parse::<i64>() {
-                    Ok(v) => v,
-                    Err(_) => {
-                        return ClaimResult::Fail(format!(
-                            "LensOutputEquals(r3_auto_memoization_one_shot_no_cache_witness): expected Int literal is not a valid i64 decimal for `{expected_name}`"
-                        ));
-                    }
-                },
-                _ => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals(r3_auto_memoization_one_shot_no_cache_witness): expected_ref `{expected_name}` must be `data ...: Int = <literal>`"
-                    ));
-                }
-            };
-            let emitted = match crate::emit_rust::emit_rust(&program_dag) {
-                Ok(s) => s,
-                Err(err) => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals(r3_auto_memoization_one_shot_no_cache_witness): emit_rust failed for `{}`: {err:?}",
-                        claim.file_name
-                    ));
-                }
-            };
-            let scaffolding_absent = !emitted.contains("memo")
-                && !emitted.contains("Memo")
-                && !emitted.contains("cache")
-                && !emitted.contains("Cache")
-                && !emitted.contains("HashMap");
-            let computed_int = i64::from(scaffolding_absent);
-            return if computed_int == expected_int {
-                ClaimResult::Pass
-            } else {
-                ClaimResult::Fail(format!(
-                    "LensOutputEquals(r3_auto_memoization_one_shot_no_cache_witness): expected `{expected_int}` (1 = no memo/cache scaffolding), computed `{computed_int}` for `{}`",
-                    claim.file_name
-                ))
-            };
-        }
-
-        // T-LaneE cost receipt: `ProgramOutputBind` is the structural contract for a claim
-        // source output-bind cost check. Dispatch on that input role, not on lens declaration
-        // spelling; otherwise the canonical lens-name bridge would survive under a helper.
-        if let Some(cost_bind) = program_input
-            .as_ref()
-            .and_then(ProgramInputRole::output_bind_name)
-        {
-            if !self.lens_has_program_output_cost_signature(lens_id) {
-                return ClaimResult::Fail(format!(
-                    "LensOutputEquals: input_ref `{input_name}` inhabits ProgramOutputBind, \
-                     but lens `{lens_name}` does not have the structural cost signature \
-                     `fn(Dag, PortId) -> Lookup<Int>`"
-                ));
-            }
-            let Some(bind) = find_bind(&program_dag, cost_bind, &claim.file_name) else {
-                return ClaimResult::Fail(format!(
-                    "LensOutputEquals(cost_of): bind `{cost_bind}` not found in `{}`",
-                    claim.file_name
-                ));
-            };
-            let computed = cost_of(&program_dag, &bind.value);
-            // M1(2.8): `Lookup<Int>` is not yet structurally authorable in `data` bodies for this
-            // fixture module — compare the lens `Hit(n)` against a scalar `Int` witness.
-            let expected_int = match expected_decl.value_body.as_ref() {
-                Some(ValueBody::Scalar(LiteralBits::Int(s))) => match s.parse::<i64>() {
-                    Ok(v) => v,
-                    Err(_) => {
-                        return ClaimResult::Fail(format!(
-                            "LensOutputEquals(cost_of): expected Int literal is not a valid i64 decimal for `{expected_name}`"
-                        ));
-                    }
-                },
-                _ => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals(cost_of): expected_ref `{expected_name}` must be `data …: Int = <literal>` (M1(2.8); `Lookup<Int>` data literals are deferred)"
-                    ));
-                }
-            };
-            return match computed {
-                CostLookup::Hit(v) if v == expected_int => ClaimResult::Pass,
-                CostLookup::Hit(v) => ClaimResult::Fail(format!(
-                    "LensOutputEquals(cost_of): expected `{expected_int}`, computed `{v}` for bind `{cost_bind}`"
-                )),
-                CostLookup::Miss => ClaimResult::Fail(
-                    "LensOutputEquals(cost_of): computed cost is Miss (malformed program)".to_string(),
-                ),
-            };
-        }
-        // R3 gate #45 (`auto_parallelism_branch_arms_serialize`): emitted Rust for the claim
-        // source must lower the Bool branch to `if … else` and contain no `thread::scope`
-        // scheduling — branch arms are exclusive alternatives, not parallel work. Structural
-        // witness via program text; dissolution when ordinary DB-20 parallelism lens output
-        // reaches `.dag` (see docs/design-free-consequences.md, `parallelism.dag` STUB).
-        if lens_decl.name.as_deref() == Some(R3_BRANCH_ARMS_SERIALIZE_WITNESS_LENS_NAME) {
-            let expected_int = match expected_decl.value_body.as_ref() {
-                Some(ValueBody::Scalar(LiteralBits::Int(s))) => match s.parse::<i64>() {
-                    Ok(v) => v,
-                    Err(_) => {
-                        return ClaimResult::Fail(format!(
-                            "LensOutputEquals(r3_auto_parallelism_branch_arms_serialize_witness): expected Int literal is not a valid i64 decimal for `{expected_name}`"
-                        ));
-                    }
-                },
-                _ => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals(r3_auto_parallelism_branch_arms_serialize_witness): expected_ref `{expected_name}` must be `data …: Int = <literal>`"
-                    ));
-                }
-            };
-            let emitted = match crate::emit_rust::emit_rust(&program_dag) {
-                Ok(s) => s,
-                Err(err) => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals(r3_auto_parallelism_branch_arms_serialize_witness): emit_rust failed for `{}`: {err:?}",
-                        claim.file_name
-                    ));
-                }
-            };
-            // Branch lowered to `if … else` (template `if {cond} { {then} } else { {else} }`)
-            // and arm bodies are not wrapped in scoped-thread spawn scheduling.
-            let serialized = emitted.contains("} else {") && !emitted.contains("thread::scope");
-            let computed_int = i64::from(serialized);
-            return if computed_int == expected_int {
-                ClaimResult::Pass
-            } else {
-                ClaimResult::Fail(format!(
-                    "LensOutputEquals(r3_auto_parallelism_branch_arms_serialize_witness): expected `{expected_int}` (1 = serialized branch arms), computed `{computed_int}` for `{}`",
-                    claim.file_name
-                ))
-            };
-        }
-
-        let reflects_claim_program = program_input
-            .as_ref()
-            .is_some_and(ProgramInputRole::is_program_input);
-
-        let input_field = if reflects_claim_program {
-            // P2: `id_space` must be the same `Dag` `apply_lens_declaration` will use for the
-            // lens, so reflected `List` / `Behavior` variant `DeclarationId`s are not mixed across
-            // graphs.
-            match reflect_program_dag_nodes_in_file(&program_dag, &claim.file_name, self.dag) {
-                Ok(v) => v,
-                Err(err) => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals: could not reflect `Dag` nodes from claim program: {err:?}"
-                    ));
-                }
-            }
-        } else {
-            match &input_decl.value_body {
-                Some(body) => match field_value_from_value_body(self.dag, body) {
-                    Ok(v) => v,
-                    Err(err) => {
-                        return ClaimResult::Fail(format!(
-                            "LensOutputEquals: could not lower input_ref `{input_name}` value: {err:?}"
-                        ));
-                    }
-                },
-                None => {
-                    return ClaimResult::Fail(format!(
-                        "LensOutputEquals: input_ref `{input_name}` has no value body (use ProgramInput when the input `Dag` is only available via `TestClaim.source`)"
-                    ));
-                }
-            }
-        };
-
-        let expected_field = match field_value_from_value_body(
-            self.dag,
-            expected_decl.value_body.as_ref().expect("checked"),
-        ) {
-            Ok(v) => v,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "LensOutputEquals: could not lower expected_ref `{expected_name}` value: {err:?}"
-                ));
-            }
-        };
-
-        let program_under_test = if reflects_claim_program {
-            Some(&program_dag)
-        } else {
-            None
-        };
-        let computed = match apply_lens_declaration(
-            self.dag,
-            program_under_test,
-            lens_id,
-            std::slice::from_ref(&input_field),
-        ) {
-            Ok(v) => v,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "LensOutputEquals: applying lens `{lens_name}` failed: {err:?}"
-                ));
-            }
-        };
-
-        if computed == expected_field {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "LensOutputEquals: expected {} for `{expected_name}`, computed {} for lens `{lens_name}` (input `{input_name}`)",
-                render_field_value(self.dag, &expected_field),
-                render_field_value(self.dag, &computed),
-            ))
-        }
-    }
-
-    fn eval_gate_87_cementing_projection(
-        &self,
-        lens_decl_name: Option<&str>,
-        lens_name: &str,
-        program_dag: &Dag,
-        file_name: &str,
-        expected_decl: &Declaration,
-        expected_name: &str,
-    ) -> Option<ClaimResult> {
-        let computed = match lens_decl_name? {
-            "gate87_cost_target_realization_meta_present" => {
-                i64::from(type_realization_meta(program_dag).is_some())
-            }
-            "gate87_effect_enumeration_no_transaction" => i64::from(matches!(
-                enumerate_effects(program_dag).transaction,
-                TransactionalPattern::NoTransaction
-            )),
-            "gate87_provenance_literal_origin_source" => {
-                let Some(bind) = find_bind(program_dag, "lit", file_name) else {
-                    return Some(ClaimResult::Fail(format!(
-                        "LensOutputEquals({lens_name}): bind `lit` not found in `{file_name}`"
-                    )));
-                };
-                i64::from(matches!(
-                    origin_of(program_dag, &bind.value),
-                    Origin::Source { .. }
-                ))
-            }
-            "gate87_structural_resolution_no_violations" => {
-                i64::from(lens_structural_resolution::check(program_dag).is_empty())
-            }
-            "gate87_unused_parameters_no_findings" => i64::from(
-                UnusedParametersLens::new(program_dag)
-                    .query(&UnusedParametersConfig::default())
-                    .is_empty(),
-            ),
-            "gate87_parallelism_literal_no_workflow_projection" => {
-                let Some(bind) = find_bind(program_dag, "lit", file_name) else {
-                    return Some(ClaimResult::Fail(format!(
-                        "LensOutputEquals({lens_name}): bind `lit` not found in `{file_name}`"
-                    )));
-                };
-                let report = analyze_parallelism(program_dag, bind.id);
-                i64::from(matches!(
-                    report,
-                    WorkflowParallelismReport::ParallelismUnsupported(detail)
-                        if detail.kind == ParallelismUnsupportedKind::NoWorkflowProjection
-                ))
-            }
-            "gate87_idempotency_literal_no_lane2_workflow" => {
-                let Some(bind) = find_bind(program_dag, "lit", file_name) else {
-                    return Some(ClaimResult::Fail(format!(
-                        "LensOutputEquals({lens_name}): bind `lit` not found in `{file_name}`"
-                    )));
-                };
-                let report = analyze_workflow(program_dag, bind.id);
-                i64::from(matches!(
-                    report,
-                    WorkflowIdempotencyReport::IdempotencyUnsupported(detail)
-                        if detail.variant_name == "Lane2WorkflowRoot"
-                ))
-            }
-            _ => return None,
-        };
-
-        let expected = match expected_int_literal(expected_decl, expected_name, lens_name) {
-            Ok(v) => v,
-            Err(result) => return Some(result),
-        };
-        Some(if computed == expected {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "LensOutputEquals({lens_name}): expected `{expected}`, computed `{computed}`"
-            ))
-        })
-    }
-
-    fn eval_symbolic_cost_expr_equals_shape(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-        expected_param_index: Option<usize>,
-    ) -> ClaimResult {
-        let [expected_fv] = payload else {
-            return ClaimResult::Fail(format!(
-                "SymbolicCostExprEquals payload should be exactly one DeclarationRef field \
-                 (expected); got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-        let expected_id = match self.resolve_declaration_ref_id(expected_fv, "expected") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let expected_decl = self.dag.declaration(expected_id);
-        let expected_name = decl_display_name(expected_id, expected_decl);
-        let Some(expected_body) = expected_decl.value_body.as_ref() else {
-            return ClaimResult::Fail(format!(
-                "SymbolicCostExprEquals: expected `{expected_name}` has no value body to compare against"
-            ));
-        };
-        if let Err(reason) = self.validate_symbolic_cost_ref(expected_id, "expected") {
-            return ClaimResult::Fail(reason);
-        }
-        let expected_field = match field_value_for_symbolic_cost_expected(self.dag, expected_body) {
-            Ok(v) => v,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "SymbolicCostExprEquals: could not lower expected `{expected_name}` to a \
-                     structural value: {err:?}"
-                ));
-            }
-        };
-        let expected_pattern =
-            match field_value_to_symbolic_cost_eq_pattern(self.dag, &expected_field) {
-                Ok(p) => p,
-                Err(msg) => return ClaimResult::Fail(msg),
-            };
-        self.eval_symbolic_cost_expr_equals_pattern(claim, expected_pattern, expected_param_index)
-    }
-
-    fn eval_symbolic_cost_expr_equals_pattern(
-        &self,
-        claim: &TestClaimValue,
-        expected_pattern: SymbolicCostEqPattern,
-        expected_param_index: Option<usize>,
-    ) -> ClaimResult {
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => {
-                return ClaimResult::Fail(format!(
-                    "SymbolicCostExprEquals: claim `source` / `{}` failed inference: {:?}",
-                    claim.file_name,
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "SymbolicCostExprEquals: claim `source` / `{}` did not compile: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-
-        let bind_name = match last_emit_rust_program_top_level_value_bind_name(&program_dag) {
-            Ok(Some(name)) => name,
-            Ok(None) => {
-                let bind_names: Vec<String> = program_dag
-                    .nodes()
-                    .iter()
-                    .filter_map(Behavior::as_bind)
-                    .filter(|bind| bind.span.file == claim.file_name)
-                    .filter(|bind| !bind.name.starts_with("<refinement:"))
-                    .map(|bind| bind.name.clone())
-                    .collect();
-                match bind_names.as_slice() {
-                    [name] => name.clone(),
-                    [] => {
-                        return ClaimResult::Fail(
-                            "SymbolicCostExprEquals: claim program has no top-level bind for the \
-                             symbolic-cost lens"
-                                .to_string(),
-                        );
-                    }
-                    names => {
-                        return ClaimResult::Fail(format!(
-                            "SymbolicCostExprEquals: claim program has no top-level value bind and \
-                             contains multiple function binds {names:?}; add a value bind or keep \
-                             the function-cost fixture to one bind"
-                        ));
-                    }
-                }
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "SymbolicCostExprEquals: cannot resolve emit-rust print target bind for `{}`: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-        let Some(bind) = find_bind(&program_dag, &bind_name, &claim.file_name) else {
-            return ClaimResult::Fail(format!(
-                "SymbolicCostExprEquals: bind `{bind_name}` not found in `{}`",
-                claim.file_name
-            ));
-        };
-        let expected_pattern = match resolve_symbolic_cost_param_refs_for_bind(
-            expected_pattern,
-            bind,
-            expected_param_index,
-        ) {
-            Ok(pattern) => pattern,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-
-        let computed = match symbolic_cost_lookup(&program_dag, &bind.value) {
-            SymbolicCostLookup::Hit(cost) => cost,
-            SymbolicCostLookup::Miss => {
-                return ClaimResult::Fail(format!(
-                    "SymbolicCostExprEquals: `symbolic_cost_lookup` returned Miss for bind `{bind_name}` \
-                     in `{}`",
-                    claim.file_name
-                ));
-            }
-        };
-        let computed_pattern = symbolic_cost_to_eq_pattern(&computed);
-        if computed_pattern == expected_pattern {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "SymbolicCostExprEquals: for bind `{bind_name}` in `{}`, expected pattern \
-                 {expected_pattern:?}, computed pattern {computed_pattern:?} (from symbolic-cost lens)",
-                claim.file_name
-            ))
-        }
-    }
-
-    fn eval_symbolic_cost_expr_equals_for_bind_param(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [expected_fv, param_fv] = payload else {
-            return ClaimResult::Fail(format!(
-                "SymbolicCostExprEqualsForBindParam payload should be exactly two fields \
-                 (expected, param); got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-        let param_index = match bind_param_ref_index(param_fv) {
-            Ok(index) => index,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let expected_id = match self.resolve_declaration_ref_id(expected_fv, "expected") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let expected_decl = self.dag.declaration(expected_id);
-        let expected_name = decl_display_name(expected_id, expected_decl);
-        let Some(expected_body) = expected_decl.value_body.as_ref() else {
-            return ClaimResult::Fail(format!(
-                "SymbolicCostExprEqualsForBindParam: expected `{expected_name}` has no value body \
-                 to compare against"
-            ));
-        };
-        if let Err(reason) = self.validate_symbolic_cost_bind_param_expected_ref(expected_id) {
-            return ClaimResult::Fail(reason);
-        }
-        let expected_field = match field_value_from_value_body(self.dag, expected_body) {
-            Ok(v) => v,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "SymbolicCostExprEqualsForBindParam: could not lower expected \
-                     `{expected_name}` to a structural value: {err:?}"
-                ));
-            }
-        };
-        let expected_pattern = match field_value_to_symbolic_cost_bind_param_expected_pattern(
-            self.dag,
-            &expected_field,
-        ) {
-            Ok(p) => p,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        self.eval_symbolic_cost_expr_equals_pattern(claim, expected_pattern, Some(param_index))
-    }
-
-    /// Boundary check that `decl_id` references a declaration whose declared
-    /// type is `SymbolicCost`. The runner walks transparent aliases (no-arg
-    /// instantiations + ResolvedBy* atoms) to handle `data X: SymbolicCost
-    /// = ConstantCost(0)`-style declarations whose connective is an alias to
-    /// the algebra type. Same shape as `validate_dimension_report_ref`,
-    /// scoped to a single nominal type instead of `DimensionReport<C>`.
-    fn validate_symbolic_cost_ref(
-        &self,
-        decl_id: DeclarationId,
-        field_label: &str,
-    ) -> Result<(), String> {
-        let symbolic_cost_id = self
-            .dag
-            .declaration_by_name("SymbolicCost")
-            .map(|decl| decl.id)
-            .ok_or_else(|| {
-                format!(
-                    "SymbolicCostExprEquals `{field_label}`: \
-                     `SymbolicCost` type not found in bootstrap"
-                )
-            })?;
-        let decl = self.dag.declaration(decl_id);
-        // For `fn`-shaped expected refs, walk through the arrow output;
-        // otherwise normalize the declaration itself.
-        let candidate = match &decl.connective {
-            TypeConnective::Arrow { output, .. } => *output,
-            _ => decl_id,
-        };
-        if self.normalize_transparent_type(candidate) == symbolic_cost_id {
-            return Ok(());
-        }
-        Err(format!(
-            "SymbolicCostExprEquals `{field_label}` must reference a declaration of type \
-             `SymbolicCost`; `{}` does not (declared type does not normalize to `SymbolicCost`).",
-            decl_display_name(decl_id, decl)
-        ))
-    }
-
-    fn validate_symbolic_cost_bind_param_expected_ref(
-        &self,
-        decl_id: DeclarationId,
-    ) -> Result<(), String> {
-        let expected_id = self
-            .dag
-            .declaration_by_name("SymbolicCostBindParamExpected")
-            .map(|decl| decl.id)
-            .ok_or_else(|| {
-                "SymbolicCostExprEqualsForBindParam: `SymbolicCostBindParamExpected` type not \
-                 found in bootstrap"
-                    .to_string()
-            })?;
-        let decl = self.dag.declaration(decl_id);
-        let candidate = match &decl.connective {
-            TypeConnective::Arrow { output, .. } => *output,
-            _ => decl_id,
-        };
-        if self.normalize_transparent_type(candidate) == expected_id {
-            return Ok(());
-        }
-        Err(format!(
-            "SymbolicCostExprEqualsForBindParam `expected` must reference a declaration of type \
-             `SymbolicCostBindParamExpected`; `{}` does not.",
-            decl_display_name(decl_id, decl)
-        ))
-    }
-
-    fn eval_binary_dimension_report_equals(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [left_fv, right_fv] = payload else {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals payload should be exactly two DeclarationRef fields \
-                 (left_report_ref, right_report_ref); got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-        let left_id = match self.resolve_declaration_ref_id(left_fv, "left_report_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let right_id = match self.resolve_declaration_ref_id(right_fv, "right_report_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let left_name = decl_display_name(left_id, self.dag.declaration(left_id));
-        let right_name = decl_display_name(right_id, self.dag.declaration(right_id));
-        let left_carrier = match self.validate_dimension_report_ref(left_id, "left_report_ref") {
-            Ok(carrier) => carrier,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        let right_carrier = match self.validate_dimension_report_ref(right_id, "right_report_ref") {
-            Ok(carrier) => carrier,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        if !self.dimension_report_carriers_equivalent(left_carrier, right_carrier) {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals requires both refs to produce DimensionReport<C> \
-                 for the same carrier C; `{left_name}` uses `{}` but `{right_name}` uses `{}`",
-                decl_display_name(left_carrier, self.dag.declaration(left_carrier)),
-                decl_display_name(right_carrier, self.dag.declaration(right_carrier))
-            ));
-        }
-        if let Some(result) = self.try_eval_tc1_eta_equivalence_executable(
-            claim,
-            left_carrier,
-            left_name.as_str(),
-            right_name.as_str(),
-        ) {
-            return result;
-        }
-        if self.type_ref_normalizes_to_named(left_carrier, "Dag")
-            && tc2_church_rosser_strict_fire_report_role_ids(self.dag, left_id, right_id)
-        {
-            return self.eval_tc2_church_rosser_binary_dimension_report_equals_claim(
-                claim,
-                &left_name,
-                &right_name,
-            );
-        }
-        if self.type_ref_normalizes_to_named(left_carrier, "Dag")
-            && tc3_pattern_a_second_mover_strict_fire_report_role_ids(self.dag, left_id, right_id)
-            && claim.claim_name == TC3_PATTERN_A_SECOND_MOVER_EXECUTABLE_CLAIM
-        {
-            return self.eval_tc3_pattern_a_second_mover_binary_dimension_report_equals_claim(
-                claim,
-                &left_name,
-                &right_name,
-            );
-        }
-        ClaimResult::NotYetImplemented(format!(
-            "BinaryDimensionReportEquals: structural shape is valid for `{left_name}` and \
-             `{right_name}`, but runner evaluation waits for generic DimensionReport<C> \
-             production/evaluation substrate; serialized report comparison is intentionally \
-             unsupported"
-        ))
-    }
-
-    /// R3 §1.8 gate #11 (`tc1_eta_equivalence_executable`): Path A executable receipt.
-    ///
-    /// **Typed `.dag` authority:** `BinaryDimensionReportEquals` still names
-    /// `DimensionReport<Tc1EtaLensObservation>` — structural envelope only until substrate delivers a
-    /// non-proxy fold (see below).
-    ///
-    /// **Runtime authority (this slice):** the runner compares
-    /// [`crate::analyze_symbolic_cost_dimension`] at two η-pair workflow roots in
-    /// `TestClaim.source` (`tc1_eta_exec_direct` and `tc1_eta_exec_eta_expanded` entry binds). That is a **bounded proxy**:
-    /// `DimensionReport<SymbolicCost>`, not `DimensionReport<Tc1EtaLensObservation>`, so the Pass
-    /// line is an intentional *proxy* until the real carrier fold exists. **P5 / single-authority
-    /// forward:** dissolution + carrier-aligned witness is tracked at **gunbc#1972** (substrate /
-    /// Evaluator canvas-tier producer for `Tc1EtaLensObservation`); this gate is expected to
-    /// migrate off symbolic-cost proxy comparison when #1972 closes the fold path (upgrade the
-    /// assertion body to compare produced `Tc1EtaLensObservation` reports, not `SymbolicCost`).
-    ///
-    /// Comparison uses [`tc1_eta_equivalence_symbolic_cost_reports_equivalent`] — **root
-    /// `composed` `SymbolicCost` only** (not full witness-spine equality), so an η-expanded extra
-    /// call frame cannot false-fail solely on spine length while the root asymptotic bound stays
-    /// identical for this representative.
-    fn try_eval_tc1_eta_equivalence_executable(
-        &self,
-        claim: &TestClaimValue,
-        left_carrier: DeclarationId,
-        left_report_ref_name: &str,
-        right_report_ref_name: &str,
-    ) -> Option<ClaimResult> {
-        if claim.claim_name != TC1_ETA_EQUIVALENCE_EXECUTABLE_CLAIM {
-            return None;
-        }
-        if !claim
-            .declaration_file
-            .ends_with(TC1_SUBSTRATE_LENS_ETA_STRICT_FIRE_FIXTURE_SUFFIX)
-        {
-            return Some(ClaimResult::Fail(format!(
-                "tc1_eta_equivalence_executable: expected claim declaration in `*{TC1_SUBSTRATE_LENS_ETA_STRICT_FIRE_FIXTURE_SUFFIX}`, got `{}`",
-                claim.declaration_file
-            )));
-        }
-        let carrier_decl = self.dag.declaration(left_carrier);
-        if carrier_decl.name.as_deref() != Some("Tc1EtaLensObservation") {
-            return Some(ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_ref_name}` / `{right_report_ref_name}`: \
-                 tc1_eta_equivalence_executable requires carrier `Tc1EtaLensObservation`, got {:?}",
-                carrier_decl.name
-            )));
-        }
-
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => {
-                return Some(ClaimResult::Fail(format!(
-                    "tc1_eta_equivalence_executable: claim `source` / `{}` failed inference: {:?}",
-                    claim.file_name,
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                )));
-            }
-            Err(err) => {
-                return Some(ClaimResult::Fail(format!(
-                    "tc1_eta_equivalence_executable: claim `source` / `{}` did not compile: {err:?}",
-                    claim.file_name
-                )));
-            }
-        };
-
-        let Some(left_bind) = find_bind(
-            &program_dag,
-            TC1_ETA_EXECUTABLE_DIRECT_ENTRY,
-            &claim.file_name,
-        ) else {
-            return Some(ClaimResult::Fail(format!(
-                "tc1_eta_equivalence_executable: missing η-pair entry bind `{TC1_ETA_EXECUTABLE_DIRECT_ENTRY}` in `{}`",
-                claim.file_name
-            )));
-        };
-        let Some(right_bind) =
-            find_bind(&program_dag, TC1_ETA_EXECUTABLE_ETA_ENTRY, &claim.file_name)
-        else {
-            return Some(ClaimResult::Fail(format!(
-                "tc1_eta_equivalence_executable: missing η-pair entry bind `{TC1_ETA_EXECUTABLE_ETA_ENTRY}` in `{}`",
-                claim.file_name
-            )));
-        };
-
-        let left_report = analyze_symbolic_cost_dimension(&program_dag, left_bind.id);
-        let right_report = analyze_symbolic_cost_dimension(&program_dag, right_bind.id);
-
-        Some(tc1_eta_equivalence_symbolic_cost_reports_equivalent(
-            left_report,
-            right_report,
-        ))
-    }
-
-    /// R3 gate #12 (`tc2_church_rosser_strict_fire.dag`): `BinaryDimensionReportEquals` payload
-    /// references the fixture-local `tc2_church_rosser_strict_fire_left_dimension_report` /
-    /// `tc2_church_rosser_strict_fire_right_dimension_report` `DimensionReport<Dag>` roles.
-    /// The runner materializes one [`DimensionReport::DimensionOk`] per eager applicative
-    /// [`InputEvaluationOrder`] for the claim program's top-level bind and applies the bounded
-    /// confluence receipt in [`tc2_church_rosser_dimension_reports_equivalent_under_binary_equals`].
-    ///
-    /// Generic `BinaryDimensionReportEquals` over arbitrary `DimensionReport<C>` producers remains
-    /// NYI at the boundary until substrate producers land.
-    fn eval_tc2_church_rosser_binary_dimension_report_equals_claim(
-        &self,
-        claim: &TestClaimValue,
-        left_report_label: &str,
-        right_report_label: &str,
-    ) -> ClaimResult {
-        if claim.source.trim().is_empty() {
-            return ClaimResult::NotYetImplemented(format!(
-                "BinaryDimensionReportEquals: structural shape is valid for `{left_report_label}` \
-                 and `{right_report_label}`, but executable TC2 Church-Rosser comparison requires a \
-                 non-empty `TestClaim.source` program slice"
-            ));
-        }
-
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     claim `source` / `{}` failed inference: {:?}",
-                    claim.file_name,
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     claim `source` / `{}` did not compile: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-        if !program_dag.diagnostics().is_empty() {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 expected empty diagnostics on `{}`, got {:?}",
-                claim.file_name,
-                program_dag.diagnostics().iter().collect::<Vec<_>>()
-            ));
-        }
-
-        let bind_name = match last_emit_rust_program_top_level_value_bind_name(&program_dag) {
-            Ok(Some(name)) => name,
-            Ok(None) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     program has no top-level value bind (same convention as \
-                     `last_emit_rust_program_top_level_value_bind_name`)"
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     cannot resolve top-level value bind for `{}`: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-        let Some(bind) = find_bind(&program_dag, &bind_name, &claim.file_name) else {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 bind `{bind_name}` not found in `{}`",
-                claim.file_name
-            ));
-        };
-        if !bind.params.is_empty() {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 bind `{bind_name}` must be a value bind with no parameters (got {} parameter port(s))",
-                bind.params.len()
-            ));
-        }
-
-        let (left_report, left_value) = match build_tc2_church_rosser_strategy_dimension_report(
-            &program_dag,
-            bind.id,
-            InputEvaluationOrder::LeftFirst,
-        ) {
-            Ok(pair) => pair,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}`: LeftFirst evaluation \
-                         failed while materializing `DimensionReport<Dag>`: {err:?}"
-                ));
-            }
-        };
-        let (right_report, right_value) = match build_tc2_church_rosser_strategy_dimension_report(
-            &program_dag,
-            bind.id,
-            InputEvaluationOrder::RightFirst,
-        ) {
-            Ok(pair) => pair,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{right_report_label}`: RightFirst evaluation \
-                         failed while materializing `DimensionReport<Dag>`: {err:?}"
-                ));
-            }
-        };
-
-        if tc2_church_rosser_dimension_reports_equivalent_under_binary_equals(
-            &left_report,
-            &left_value,
-            &right_report,
-            &right_value,
-        ) {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 strategy-keyed `DimensionReport<Dag>` disagree — left={left_report:?} \
-                 (value={left_value:?}) vs right={right_report:?} (value={right_value:?})"
-            ))
-        }
-    }
-
-    /// R3 §1.8 gate #13 (`tc3_strong_normalization_strict_fire.dag`): `BinaryDimensionReportEquals`
-    /// payload references the fixture-local `tc3_evaluation_step_baseline_dimension_report` /
-    /// `tc3_evaluation_step_compare_dimension_report` `DimensionReport<Dag>` roles. The runner
-    /// materializes one [`DimensionReport::DimensionOk`] per projection role for the claim
-    /// program's top-level bind (`succ(succ(0))` per fixture) and applies the bounded
-    /// second-mover receipt in
-    /// [`tc3_pattern_a_second_mover_dimension_reports_equivalent_under_binary_equals`].
-    ///
-    /// **Bounded proxy.** This is a host-runner second-mover bridge analogous to
-    /// gate-#12 TC2 Church-Rosser: it verifies that the program evaluates to the same `Value`
-    /// under both projection roles (a strong-normalization receipt for this representative).
-    /// **Single forward dissolution trigger:** the eval-step / bounded-step producer surface +
-    /// G1.a static-lens-fold producer-surface-wiring per
-    /// `docs/briefs/r3-evaluator-tc3-d4-eval-step-producer-worker.md` — when both producers
-    /// land on `origin/main`, this arm should migrate to consuming live
-    /// `DimensionReport<Dag>` values from those producers (replacing the proxy `composed`
-    /// clone + empty witness lists with the substrate-emitted carriers / witnesses) without
-    /// changing the gate-#13 claim name or fixture.
-    ///
-    /// Generic `BinaryDimensionReportEquals` over arbitrary `DimensionReport<C>` producers
-    /// remains NYI at the boundary until substrate producers land.
-    fn eval_tc3_pattern_a_second_mover_binary_dimension_report_equals_claim(
-        &self,
-        claim: &TestClaimValue,
-        left_report_label: &str,
-        right_report_label: &str,
-    ) -> ClaimResult {
-        if claim.source.trim().is_empty() {
-            return ClaimResult::NotYetImplemented(format!(
-                "BinaryDimensionReportEquals: structural shape is valid for `{left_report_label}` \
-                 and `{right_report_label}`, but executable TC3 second-mover comparison requires \
-                 a non-empty `TestClaim.source` program slice"
-            ));
-        }
-
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     claim `source` / `{}` failed inference: {:?}",
-                    claim.file_name,
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     claim `source` / `{}` did not compile: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-        if !program_dag.diagnostics().is_empty() {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 expected empty diagnostics on `{}`, got {:?}",
-                claim.file_name,
-                program_dag.diagnostics().iter().collect::<Vec<_>>()
-            ));
-        }
-
-        let bind_name = match last_emit_rust_program_top_level_value_bind_name(&program_dag) {
-            Ok(Some(name)) => name,
-            Ok(None) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     program has no top-level value bind (same convention as \
-                     `last_emit_rust_program_top_level_value_bind_name`)"
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                     cannot resolve top-level value bind for `{}`: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-        let Some(bind) = find_bind(&program_dag, &bind_name, &claim.file_name) else {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 bind `{bind_name}` not found in `{}`",
-                claim.file_name
-            ));
-        };
-        if !bind.params.is_empty() {
-            return ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 bind `{bind_name}` must be a value bind with no parameters (got {} parameter port(s))",
-                bind.params.len()
-            ));
-        }
-
-        let (left_report, left_value) = match build_tc3_pattern_a_second_mover_projection_report(
-            &program_dag,
-            bind.id,
-            TC3_PATTERN_A_BASELINE_DIMENSION_NAME,
-            InputEvaluationOrder::LeftFirst,
-        ) {
-            Ok(pair) => pair,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{left_report_label}`: baseline projection \
-                     evaluation failed while materializing `DimensionReport<Dag>`: {err:?}"
-                ));
-            }
-        };
-        let (right_report, right_value) = match build_tc3_pattern_a_second_mover_projection_report(
-            &program_dag,
-            bind.id,
-            TC3_PATTERN_A_COMPARE_DIMENSION_NAME,
-            InputEvaluationOrder::RightFirst,
-        ) {
-            Ok(pair) => pair,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "BinaryDimensionReportEquals `{right_report_label}`: compare projection \
-                     evaluation failed while materializing `DimensionReport<Dag>`: {err:?}"
-                ));
-            }
-        };
-
-        if tc3_pattern_a_second_mover_dimension_reports_equivalent_under_binary_equals(
-            &left_report,
-            &left_value,
-            &right_report,
-            &right_value,
-        ) {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "BinaryDimensionReportEquals `{left_report_label}` / `{right_report_label}`: \
-                 projection-keyed `DimensionReport<Dag>` disagree — left={left_report:?} \
-                 (value={left_value:?}) vs right={right_report:?} (value={right_value:?})"
-            ))
-        }
-    }
-
-    fn validate_dimension_report_ref(
-        &self,
-        decl_id: DeclarationId,
-        field_label: &str,
-    ) -> Result<DeclarationId, String> {
-        let decl = self.dag.declaration(decl_id);
-        let candidate_type = match &decl.connective {
-            TypeConnective::Arrow { output, .. } => *output,
-            _ => decl_id,
-        };
-        self.dimension_report_carrier(candidate_type)
-            .ok_or_else(|| {
-                format!(
-                    "BinaryDimensionReportEquals `{field_label}` must reference a declaration \
-                     that produces or inhabits DimensionReport<C>; `{}` does not",
-                    decl_display_name(decl_id, decl)
-                )
-            })
-    }
-
-    fn dimension_report_carriers_equivalent(
-        &self,
-        left_carrier: DeclarationId,
-        right_carrier: DeclarationId,
-    ) -> bool {
-        left_carrier == right_carrier
-            || type_shapes_equivalent(
-                self.dag,
-                &TypeShape::new(left_carrier),
-                &TypeShape::new(right_carrier),
-            )
-    }
-
-    fn dimension_report_carrier(&self, mut current: DeclarationId) -> Option<DeclarationId> {
-        let report_id = self
-            .dag
-            .declaration_by_name("DimensionReport")
-            .map(|decl| decl.id)?;
-        // Bounded alias walk: this is a fail-closed cycle/depth guard, not a
-        // semantic limit on valid DimensionReport<C> producer shapes.
-        for _ in 0..32 {
-            match &self.dag.declaration(current).connective {
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if *template == report_id => match arguments.as_slice() {
-                    [carrier] => return Some(self.normalize_transparent_type(carrier.value)),
-                    _ => return None,
-                },
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if arguments.is_empty() => current = *template,
-                TypeConnective::Atom(
-                    AtomPayload::ResolvedByStructure(next) | AtomPayload::ResolvedByName(next),
-                ) => current = *next,
-                _ => return None,
-            }
-        }
-        None
-    }
-
-    fn normalize_transparent_type(&self, mut current: DeclarationId) -> DeclarationId {
-        for _ in 0..32 {
-            match &self.dag.declaration(current).connective {
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if arguments.is_empty() => current = *template,
-                TypeConnective::Atom(
-                    AtomPayload::ResolvedByStructure(next) | AtomPayload::ResolvedByName(next),
-                ) => current = *next,
-                _ => return current,
-            }
-        }
-        current
-    }
-
-    fn resolve_declaration_ref_id(
-        &self,
-        value: &FieldValue,
-        field_label: &str,
-    ) -> Result<DeclarationId, String> {
-        match value {
-            FieldValue::Reference(id) => Ok(*id),
-            FieldValue::Record(fields) if fields.is_empty() => Err(format!(
-                "`{field_label}`: DeclarationRef is the empty record literal {{}} — use an identifier \
-                 so lowering emits FieldValue::Reference(DeclarationId), not an empty record",
-            )),
-            other => Err(format!(
-                "`{field_label}`: expected FieldValue::Reference(DeclarationId) \
-                 for a DeclarationRef edge, got {other:?}"
-            )),
-        }
-    }
-
-    fn lens_has_program_output_cost_signature(&self, lens_id: DeclarationId) -> bool {
-        let TypeConnective::Arrow { inputs, output, .. } =
-            &self.dag.declaration(lens_id).connective
-        else {
-            return false;
-        };
-        matches!(inputs.as_slice(), [dag, port_id]
-            if self.type_ref_normalizes_to_named(*dag, "Dag")
-                && self.type_ref_normalizes_to_named(*port_id, "PortId"))
-            && self.lookup_int_type(*output)
-    }
-
-    fn type_ref_normalizes_to_named(&self, candidate: DeclarationId, expected_name: &str) -> bool {
-        let Some(expected) = self
-            .dag
-            .declaration_by_name(expected_name)
-            .map(|decl| decl.id)
-        else {
-            return false;
-        };
-        self.normalize_transparent_type(candidate) == expected
-    }
-
-    fn lookup_int_type(&self, mut current: DeclarationId) -> bool {
-        let Some(lookup_id) = self.dag.declaration_by_name("Lookup").map(|decl| decl.id) else {
-            return false;
-        };
-        for _ in 0..32 {
-            match &self.dag.declaration(current).connective {
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if *template == lookup_id => match arguments.as_slice() {
-                    [arg] => return self.type_ref_normalizes_to_named(arg.value, "Int"),
-                    _ => return false,
-                },
-                TypeConnective::Instantiation {
-                    template,
-                    arguments,
-                } if arguments.is_empty() => current = *template,
-                TypeConnective::Atom(
-                    AtomPayload::ResolvedByStructure(next) | AtomPayload::ResolvedByName(next),
-                ) => current = *next,
-                _ => return false,
-            }
-        }
-        false
-    }
-
-    fn program_input_role(&self, decl: &Declaration) -> Result<Option<ProgramInputRole>, String> {
-        if self.decl_inhabits_named_role(decl, "ProgramInput")? {
-            return Ok(Some(ProgramInputRole::ProgramInput));
-        }
-        if !self.decl_inhabits_named_role(decl, "ProgramOutputBind")? {
-            return Ok(None);
-        }
-        let Some(ValueBody::Structural { fields }) = decl.value_body.as_ref() else {
-            return Err(format!(
-                "ProgramOutputBind `{}` must have a structural data body",
-                decl_display_name(decl.id, decl)
-            ));
-        };
-        let Some(output_ref) = field(fields, "output_ref") else {
-            return Err(format!(
-                "ProgramOutputBind `{}` is missing `output_ref`",
-                decl_display_name(decl.id, decl)
-            ));
-        };
-        let output_ref = match output_ref {
-            FieldValue::Reference(id) => *id,
-            other => {
-                return Err(format!(
-                    "ProgramOutputBind `{}` output_ref must be a DeclarationRef edge, got {other:?}",
-                    decl_display_name(decl.id, decl)
-                ));
-            }
-        };
-        let output_decl = self.dag.declaration(output_ref);
-        let Some(output_bind_name) = output_decl.name.clone() else {
-            return Err(format!(
-                "ProgramOutputBind `{}` output_ref must name a declaration",
-                decl_display_name(decl.id, decl)
-            ));
-        };
-        // Cross-Dag bridge: `output_ref` is a structural edge in the fixture DAG, but
-        // the compiled `TestClaim.source` program is a separate Dag, so the runner
-        // still carries the referenced declaration name into `find_bind`.
-        // Dissolution trigger: authored claims carry an output-bind identity that
-        // resolves inside the compiled program Dag instead of through fixture stubs.
-        Ok(Some(ProgramInputRole::ProgramOutputBind {
-            output_bind_name,
-        }))
-    }
-
-    fn decl_inhabits_named_role(
-        &self,
-        decl: &Declaration,
-        role_name: &str,
-    ) -> Result<bool, String> {
-        // Narrow bridge: role declarations are still found by type name because
-        // `input_ref` is statically `DeclarationRef`. Dissolve with a structured
-        // `TestPredicate` input-role coproduct when the schema carries it.
-        let Some(role_id) = self.dag.declaration_by_name(role_name).map(|d| d.id) else {
-            return Err(format!(
-                "verification role type `{role_name}` is missing from the fixture Dag"
-            ));
-        };
-        Ok(decl.inhabits == Some(role_id)
-            || decl.meta_tag == Some(role_id)
-            || matches!(
-                &decl.connective,
-                TypeConnective::Instantiation { template, .. } if *template == role_id
-            ))
-    }
-
-    fn decl_inhabits_role_id(decl: &Declaration, role_id: DeclarationId) -> bool {
-        decl.inhabits == Some(role_id)
-            || decl.meta_tag == Some(role_id)
-            || matches!(
-                &decl.connective,
-                TypeConnective::Instantiation { template, .. } if *template == role_id
-            )
-    }
-
-    fn eval_differential_equals(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [subject_fv, oracle_fv, input_fv] = payload else {
-            return ClaimResult::Fail(format!(
-                "DifferentialEquals payload should be exactly three DeclarationRef fields \
-                 (subject_ref, oracle_ref, input_ref); got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-        let subject_id = match self.resolve_declaration_ref_id(subject_fv, "subject_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let oracle_id = match self.resolve_declaration_ref_id(oracle_fv, "oracle_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let input_id = match self.resolve_declaration_ref_id(input_fv, "input_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-
-        let subject_decl = self.dag.declaration(subject_id);
-        let oracle_decl = self.dag.declaration(oracle_id);
-        let input_decl = self.dag.declaration(input_id);
-
-        let subject_lineage = decl_display_name(subject_id, subject_decl);
-        let oracle_lineage = decl_display_name(oracle_id, oracle_decl);
-        let input_name = decl_display_name(input_id, input_decl);
-
-        let program_input = match self.program_input_role(input_decl) {
-            Ok(Some(role)) => role,
-            Ok(None) => {
-                return ClaimResult::Fail(format!(
-                    "DifferentialEquals: input_ref `{input_name}` must inhabit ProgramOutputBind"
-                ));
-            }
-            Err(msg) => return ClaimResult::Fail(format!("DifferentialEquals: {msg}")),
-        };
-
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => {
-                return ClaimResult::Fail(format!(
-                    "DifferentialEquals: claim `source` / `{}` failed inference: {:?}",
-                    claim.file_name,
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "DifferentialEquals: claim `source` / `{}` did not compile: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-
-        let Some(cost_bind) = program_input.output_bind_name() else {
-            return ClaimResult::Fail(format!(
-                "DifferentialEquals: input_ref `{input_name}` must inhabit ProgramOutputBind"
-            ));
-        };
-        let Some(bind) = find_bind(&program_dag, cost_bind, &claim.file_name) else {
-            return ClaimResult::Fail(format!(
-                "DifferentialEquals: bind `{cost_bind}` not found in `{}`",
-                claim.file_name
-            ));
-        };
-
-        if subject_lineage == oracle_lineage {
-            return ClaimResult::Fail(
-                "DifferentialEquals: subject_ref and oracle_ref must name distinct lineages"
-                    .to_string(),
-            );
-        }
-
-        let w1_emit_eval_pair = (subject_lineage.as_str(), oracle_lineage.as_str());
-        if matches!(
-            w1_emit_eval_pair,
-            ("rust_emit_output", "dag_eval_output") | ("dag_eval_output", "rust_emit_output")
-        ) {
-            let subject_int = match w1_differential_equals_lineage_int(
-                subject_lineage.as_str(),
-                &program_dag,
-                bind,
-                &claim.file_name,
-            ) {
-                Ok(v) => v,
-                Err(msg) => return ClaimResult::Fail(msg),
-            };
-            let oracle_int = match w1_differential_equals_lineage_int(
-                oracle_lineage.as_str(),
-                &program_dag,
-                bind,
-                &claim.file_name,
-            ) {
-                Ok(v) => v,
-                Err(msg) => return ClaimResult::Fail(msg),
-            };
-            return if subject_int == oracle_int {
-                ClaimResult::Pass
-            } else {
-                ClaimResult::Fail(format!(
-                    "DifferentialEquals(W1): `{subject_lineage}` int {subject_int} != `{oracle_lineage}` int {oracle_int} \
-                     (emit vs eager eval parity; dissolution: PB-Runtime tests + PR-B witness-shaped `ProgramObservation<Value>`)"
-                ))
-            };
-        }
-
-        let pairing_ok = (subject_lineage.as_str() == "v3_program_cost"
-            && oracle_lineage.as_str() == "v2_oracle_cost")
-            || (subject_lineage.as_str() == "v2_oracle_cost"
-                && oracle_lineage.as_str() == "v3_program_cost");
-        if !pairing_ok {
-            // E8/W1: unsupported output producers must stay fail-closed until
-            // producer identity and typed observation normalization are declared.
-            // Dissolution targets: `rust_emit_output` -> PB-Runtime generated
-            // target-language tests; `dag_eval_output` -> PR-B eager evaluator
-            // plus witness construction.
-            return ClaimResult::NotYetImplemented(format!(
-                "DifferentialEquals: unsupported producer pairing ({subject_lineage}, {oracle_lineage}); \
-                 implemented: (v3_program_cost, v2_oracle_cost) Lane-E cost parity and \
-                 (rust_emit_output, dag_eval_output) W1 emit/eval Int slice per #1485 / \
-                 `docs/briefs/r3-pr-e8-w1-output-producer-contract-blocker.md`. \
-                 This path stays NotYetImplemented (fail-closed unsupported-pair receipt, not Pass) until \
-                 an approved producer + observation contract matches; after #1495 lands, rebase this \
-                 branch and preserve the stronger unsupported-pair ratchet / producer-identity gates vs \
-                 substrate-owned dissolution (`r2-pr-b-2-runner-extension-bundle.md`)."
-            ));
-        }
-
-        // P3: `subject_ref` / `oracle_ref` are not decorative — `subject_lineage` vs
-        // `oracle_lineage` must dispatch distinct producers in
-        // `eval_lane_e_differential_cost_lineage` (host forward-fold vs `lens_cost::cost_of`), not
-        // two identical `cost_of` calls (PR #764 inline review).
-        let subject_out = match eval_lane_e_differential_cost_lineage(
-            subject_lineage.as_str(),
-            &program_dag,
-            bind.value,
-        ) {
-            Ok(v) => v,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-        let oracle_out = match eval_lane_e_differential_cost_lineage(
-            oracle_lineage.as_str(),
-            &program_dag,
-            bind.value,
-        ) {
-            Ok(v) => v,
-            Err(msg) => return ClaimResult::Fail(msg),
-        };
-
-        if subject_out == oracle_out {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "DifferentialEquals: subject `{subject_lineage}` output {subject_out:?} != oracle `{oracle_lineage}` output {oracle_out:?} (host forward-fold vs `lens_cost::cost_of`)"
-            ))
-        }
-    }
-
-    fn eval_algebraic_law(&self, claim: &TestClaimValue, payload: &[FieldValue]) -> ClaimResult {
-        // `Associativity`, `Commutativity`, and `Identity` are wired via bounded operational witness
-        // tables (see `eval_algebraic_law_for_claim_program` — not substrate law-fact evaluation).
-        let (law, _) = match algebraic_law_payload_fields(payload) {
-            Ok(parts) => parts,
-            Err(AlgebraicLawProgramError::MalformedPayload(message)) => {
-                return ClaimResult::Fail(message);
-            }
-            Err(AlgebraicLawProgramError::UnsupportedLaw { law_label }) => unreachable!(
-                "algebraic_law_payload_fields only yields MalformedPayload (got UnsupportedLaw({law_label:?}))"
-            ),
-        };
-        let (law_label, law_payload) = match variant_fields(self.dag, law) {
-            Ok(parts) => parts,
-            Err(AlgebraicLawProgramError::MalformedPayload(message)) => {
-                return ClaimResult::Fail(message);
-            }
-            Err(AlgebraicLawProgramError::UnsupportedLaw { law_label }) => unreachable!(
-                "variant_fields only yields MalformedPayload (got UnsupportedLaw({law_label:?}))"
-            ),
-        };
-        if law_label != "Associativity" && law_label != "Commutativity" && law_label != "Identity" {
-            return ClaimResult::NotYetImplemented(format!(
-                "AlgebraicLaw::{law_label} is not wired in the Rust runner; Distributivity must \
-                 route through INVARIANTS P1 as an AlgebraicLawKind substrate enum extension"
-            ));
-        }
-        if !law_payload.is_empty() {
-            return ClaimResult::Fail(format!("{law_label} should be payload-free"));
-        }
-
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(_)) => {
-                return ClaimResult::Fail(
-                    "claim program compiled with diagnostics (AlgebraicLaw requires a clean compile)"
-                        .to_string(),
-                );
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "claim program did not compile (AlgebraicLaw): {err:?}"
-                ));
-            }
-        };
-        match eval_algebraic_law_for_claim_program(self.dag, &program_dag, payload) {
-            Ok(true) => ClaimResult::Pass,
-            Ok(false) => ClaimResult::Fail(format!(
-                "AlgebraicLaw {law_label}: operational witness failed (must pass all fixed Int \
-                 samples in bounded D1 lens application; D1 apply — not a substrate declared-law check; see \
-                 eval_algebraic_law_for_claim_program)"
-            )),
-            Err(AlgebraicLawProgramError::MalformedPayload(message)) => ClaimResult::Fail(message),
-            Err(AlgebraicLawProgramError::UnsupportedLaw { law_label }) => {
-                ClaimResult::NotYetImplemented(format!(
-                    "AlgebraicLaw::{law_label} is not implemented by the Rust runner"
-                ))
-            }
-        }
-    }
-
-    /// Same pattern as other arms: `compile_to_dag(claim.source)` is a **clean-claim** gate; host
-    /// `command` / `args` / `expect_exit_code` come only from the predicate `payload` (the compiled
-    /// `Dag` is not an input to `std::process::Command` here — PR #792, 837d0e59).
-    fn eval_execute_command(&self, claim: &TestClaimValue, payload: &[FieldValue]) -> ClaimResult {
-        match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(_) => {}
-            Err(CompileError::Semantic(_)) => {
-                return ClaimResult::Fail(
-                    "ExecuteCommand: claim program compiled with diagnostics (clean compile required)"
-                        .to_string(),
-                );
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "ExecuteCommand: claim program did not compile: {err:?}"
-                ));
-            }
-        }
-        let Some((command, args, expect_exit_code)) = parse_execute_command_fields(payload) else {
-            return ClaimResult::Fail(
-                "ExecuteCommand payload should be (String, List<String>, Int) — see verification.dag"
-                    .to_string(),
-            );
-        };
-        evaluate_execute_command_exit_code(&command, &args, expect_exit_code)
-    }
-
-    fn eval_for_all_targets(&self, claim: &TestClaimValue, payload: &[FieldValue]) -> ClaimResult {
-        if let Err(reason) = self.validate_for_all_targets_resource_requirements(claim) {
-            return ClaimResult::Fail(reason);
-        }
-        let [command_fv, args_fv, expect_exit_code_fv, input_fv] = payload else {
-            return ClaimResult::Fail(
-                "ForAllTargets payload should be (String, List<String>, Int, DeclarationRef) — see verification.dag"
-                    .to_string(),
-            );
-        };
-        let Some((command, args, expect_exit_code)) = parse_execute_command_fields(&[
-            command_fv.clone(),
-            args_fv.clone(),
-            expect_exit_code_fv.clone(),
-        ]) else {
-            return ClaimResult::Fail(
-                "ForAllTargets payload should begin with (String, List<String>, Int) — see verification.dag"
-                    .to_string(),
-            );
-        };
-        let input_id = match self.resolve_declaration_ref_id(input_fv, "input_ref") {
-            Ok(id) => id,
-            Err(msg) => return ClaimResult::Fail(format!("ForAllTargets(L5): {msg}")),
-        };
-        let input_decl = self.dag.declaration(input_id);
-        let input_name = decl_display_name(input_id, input_decl);
-        let output_bind_name = match self.program_input_role(input_decl) {
-            Ok(Some(ProgramInputRole::ProgramOutputBind { output_bind_name })) => output_bind_name,
-            Ok(Some(ProgramInputRole::ProgramInput)) | Ok(None) => {
-                return ClaimResult::Fail(format!(
-                    "ForAllTargets(L5): input_ref `{input_name}` must inhabit ProgramOutputBind"
-                ));
-            }
-            Err(msg) => return ClaimResult::Fail(format!("ForAllTargets(L5): {msg}")),
-        };
-        // Dissolution trigger: replace this ExecuteCommand-shaped scaffold once
-        // `std.verification.ForAllTargets` drops the inert command triple, carries only typed
-        // target-observation edges, and owns the toolchain requirement set instead of mirroring it
-        // through Rust string constants.
-        if command != "true" || !args.is_empty() || expect_exit_code != 0 {
-            return ClaimResult::Fail(format!(
-                "ForAllTargets(L5) expects inert scaffold payload true/[]/0; got command=`{command}`, args={args:?}, expect_exit_code={expect_exit_code}. \
-                 Target execution is owned by the Rust/Python/Go emit runner path, not the raw shell triple."
-            ));
-        }
-        l5_cross_target_outputs_int(claim, &output_bind_name)
-    }
-
-    fn validate_for_all_targets_resource_requirements(
-        &self,
-        claim: &TestClaimValue,
-    ) -> Result<(), String> {
-        let mut actual = BTreeSet::new();
-        for (idx, requirement) in claim.requires.iter().enumerate() {
-            let Some(fields) = record_fields(requirement) else {
-                return Err(format!(
-                    "ForAllTargets(L5): `requires[{idx}]` must be a ResourceReference record"
-                ));
-            };
-            let Some(target) = field(fields, "target") else {
-                return Err(format!(
-                    "ForAllTargets(L5): `requires[{idx}]` is missing `target`"
-                ));
-            };
-            let FieldValue::Reference(id) = target else {
-                return Err(format!(
-                    "ForAllTargets(L5): `requires[{idx}].target` must be a DeclarationRef edge, got {target:?}"
-                ));
-            };
-            let Some(name) = self.dag.declaration(*id).name.as_deref() else {
-                return Err(format!(
-                    "ForAllTargets(L5): `requires[{idx}].target` must name a toolchain marker"
-                ));
-            };
-            actual.insert(name.to_string());
-        }
-        let expected: BTreeSet<String> = L5_REQUIRED_TOOLCHAINS
-            .iter()
-            .map(|name| (*name).to_string())
-            .collect();
-        if actual != expected {
-            return Err(format!(
-                "ForAllTargets(L5): `TestClaim.requires` must declare exactly {:?}; got {:?}",
-                L5_REQUIRED_TOOLCHAINS, actual
-            ));
-        }
-        Ok(())
-    }
-
-    fn eval_cost_bounded(&self, claim: &TestClaimValue, payload: &[FieldValue]) -> ClaimResult {
-        let [FieldValue::Literal(LiteralBits::String(bind_name)), comparator, FieldValue::Literal(LiteralBits::Int(bound_s))] =
-            payload
-        else {
-            return ClaimResult::Fail(
-                "CostBounded payload should be (String, ComparisonOp, Int)".to_string(),
-            );
-        };
-        let Ok(bound) = bound_s.parse::<i64>() else {
-            return ClaimResult::Fail(
-                "CostBounded: bound must be a valid decimal i64 literal".to_string(),
-            );
-        };
-        let dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "CostBounded: claim source did not compile (structural cost check skipped): {err:?}"
-                ));
-            }
-        };
-        let Some(bind) = find_bind(&dag, bind_name, &claim.file_name) else {
-            return ClaimResult::Fail(format!(
-                "CostBounded: bind `{bind_name}` not found in `{}`",
-                claim.file_name
-            ));
-        };
-        let actual = match cost_of(&dag, &bind.value) {
-            CostLookup::Hit(actual) => actual,
-            CostLookup::Miss => {
-                return ClaimResult::Fail(format!(
-                    "CostBounded: missing structural `cost_of` receipt for bind `{bind_name}`"
-                ));
-            }
-        };
-        if self.compare_cost(comparator, actual, bound) {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "cost {actual} did not satisfy bound {bound} (predicate literal `{bound_s}`)"
-            ))
-        }
-    }
-
-    /// Evaluate `TestPredicate::PerfWithinBaseline { subject, comparator, baseline_ref }`.
-    ///
-    /// Resolves both `DeclarationRef`s to `PerfBaselineMeasurement` substrate records
-    /// (`median_ns`, `p99_delta_ns` per `src/v3/std/substrate.dag`), constructs absolute
-    /// p99 as `median_ns + p99_delta_ns` with checked arithmetic, then applies the
-    /// Director-locked Tier-3 budget thresholds (`docs/r3-structure.md` §225):
-    /// subject median ≤ `baseline.median_ns × 2` and subject absolute p99 ≤
-    /// `(baseline_median + baseline_delta) × 5`. `comparator` must be
-    /// `PerfBudgetComparisonOp::AtMostBudget` (`src/v3/std/verification.dag`).
-    fn eval_perf_within_baseline(
-        &self,
-        _claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [subject_fv, comparator, baseline_fv] = payload else {
-            return ClaimResult::Fail(format!(
-                "PerfWithinBaseline payload should be exactly three fields \
-                 (subject: DeclarationRef, comparator: PerfBudgetComparisonOp, baseline_ref: DeclarationRef); \
-                 got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-        let subject_id = match self.resolve_declaration_ref_id(subject_fv, "subject") {
-            Ok(id) => id,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        let baseline_id = match self.resolve_declaration_ref_id(baseline_fv, "baseline_ref") {
-            Ok(id) => id,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        // Enforce the Director-locked "within baseline" semantics (`r3-structure.md`
-        // §225): budget is `median ≤ 2× baseline` AND `p99 ≤ 5× baseline`.
-        // `std.verification` exposes a closed budget comparator instead of the
-        // general `ComparisonOp` coproduct so inverted comparisons cannot be
-        // authored into this gate.
-        let Some(comparator_label) = perf_budget_comparator_label(self.dag, comparator) else {
-            return ClaimResult::Fail(
-                "PerfWithinBaseline `comparator`: expected unit PerfBudgetComparisonOp variant; \
-                 got non-PerfBudgetComparisonOp variant, non-variant, or non-empty payload"
-                    .to_string(),
-            );
-        };
-        if !is_perf_budget_comparator_at_most(&comparator_label) {
-            return ClaimResult::Fail(format!(
-                "PerfWithinBaseline `comparator`: only `AtMostBudget` matches the Director-locked \
-                 §225 budget semantics (median ≤ 2× baseline median, absolute p99 ≤ 5× baseline absolute p99); \
-                 `{comparator_label}` would invert or skew the gate"
-            ));
-        }
-        let subject = match self.perf_baseline_measurement(subject_id, "subject") {
-            Ok(measurement) => measurement,
-            Err(err) => return ClaimResult::Fail(err.into_claim_fail("subject")),
-        };
-        let baseline = match self.perf_baseline_measurement(baseline_id, "baseline_ref") {
-            Ok(measurement) => measurement,
-            Err(err) => return ClaimResult::Fail(err.into_claim_fail("baseline_ref")),
-        };
-        let (median_bound, p99_bound) = match compute_perf_budget_bounds(baseline) {
-            Ok(bounds) => bounds,
-            Err(PerfBudgetOverflow::Median) => {
-                return ClaimResult::Fail(
-                    "PerfWithinBaseline: median baseline threshold (baseline_ref median_ns × 2) \
-                     overflowed Int — fail-closed; recapture with smaller baseline or widen Int."
-                        .to_string(),
-                );
-            }
-            Err(PerfBudgetOverflow::P99) => {
-                return ClaimResult::Fail(
-                    "PerfWithinBaseline: p99 baseline threshold ((baseline median + delta) × 5) \
-                     overflowed Int — fail-closed; recapture with smaller baseline or widen Int."
-                        .to_string(),
-                );
-            }
-        };
-        let median_ok = subject.median_ns <= median_bound;
-        let p99_ok = subject.p99_ns <= p99_bound;
-        if median_ok && p99_ok {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "PerfWithinBaseline: subject median_ns={} vs threshold {} (median_ok={}) \
-                 and subject p99_ns={} vs threshold {} (p99_ok={}) did not satisfy AtMostBudget",
-                subject.median_ns, median_bound, median_ok, subject.p99_ns, p99_bound, p99_ok
-            ))
-        }
-    }
-
-    /// Structurally resolve a `PerfBaselineMeasurement` data declaration to absolute
-    /// `{ median_ns, p99_ns }` (`p99_ns = median_ns + p99_delta_ns`, checked). Rejects
-    /// negative `Int` literals for either field (`substrate.dag` uses `Nat` for both).
-    /// Returns a typed `PerfMeasurementResolveError` per `CODING.md` typed-error discipline;
-    /// the outer [`Self::eval_perf_within_baseline`] boundary converts to
-    /// `ClaimResult::Fail(...)` with the role label preserved.
-    fn perf_baseline_measurement(
-        &self,
-        decl_id: DeclarationId,
-        _role: &str,
-    ) -> Result<PerfMeasurement, PerfMeasurementResolveError> {
-        let decl = match self.dag.declaration_opt(&decl_id) {
-            Some(decl) => decl,
-            None => return Err(PerfMeasurementResolveError::MissingDeclaration),
-        };
-        let fields = match decl.value_body.as_ref() {
-            Some(ValueBody::Structural { fields }) => fields,
-            _ => return Err(PerfMeasurementResolveError::WrongConnective),
-        };
-        let median_ns = match field(fields, "median_ns") {
-            Some(FieldValue::Literal(LiteralBits::Int(s))) => match s.parse::<i64>() {
-                Ok(v) => v,
-                Err(_) => {
-                    return Err(PerfMeasurementResolveError::WrongFieldKind { field: "median_ns" });
-                }
-            },
-            Some(_) => {
-                return Err(PerfMeasurementResolveError::WrongFieldKind { field: "median_ns" });
-            }
-            None => {
-                return Err(PerfMeasurementResolveError::MissingField { field: "median_ns" });
-            }
-        };
-        let p99_delta_ns = match field(fields, "p99_delta_ns") {
-            Some(FieldValue::Literal(LiteralBits::Int(s))) => match s.parse::<i64>() {
-                Ok(v) => v,
-                Err(_) => {
-                    return Err(PerfMeasurementResolveError::WrongFieldKind {
-                        field: "p99_delta_ns",
-                    });
-                }
-            },
-            Some(_) => {
-                return Err(PerfMeasurementResolveError::WrongFieldKind {
-                    field: "p99_delta_ns",
-                });
-            }
-            None => {
-                return Err(PerfMeasurementResolveError::MissingField {
-                    field: "p99_delta_ns",
-                });
-            }
-        };
-        if median_ns < 0 {
-            return Err(PerfMeasurementResolveError::NegativeNatLiteral { field: "median_ns" });
-        }
-        if p99_delta_ns < 0 {
-            return Err(PerfMeasurementResolveError::NegativeNatLiteral {
-                field: "p99_delta_ns",
-            });
-        }
-        // `checked_add` only covers i64 overflow. Negative `p99_delta_ns` is rejected
-        // above so absolute p99 cannot undershoot `median_ns` (INVARIANTS P2/P3).
-        let p99_ns = median_ns
-            .checked_add(p99_delta_ns)
-            .ok_or(PerfMeasurementResolveError::P99ConstructionOverflow)?;
-        Ok(PerfMeasurement { median_ns, p99_ns })
-    }
-
-    fn eval_census_bound_check_shape(
-        &self,
-        _claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [authority, list_constant, FieldValue::Literal(LiteralBits::Int(bound_s))] = payload
-        else {
-            return ClaimResult::Fail(
-                "CensusBoundCheck payload should be (DeclarationRef, CensusListConstant, Int)"
-                    .to_string(),
-            );
-        };
-        let Ok(bound) = bound_s.parse::<i64>() else {
-            return ClaimResult::Fail(
-                "CensusBoundCheck: bound must be a valid decimal i64 literal".to_string(),
-            );
-        };
-        if let Err(reason) = self.resolve_census_authority_ref(authority, "authority") {
-            return ClaimResult::Fail(reason);
-        }
-        let list_constant_name = match self.resolve_census_list_constant_ref(list_constant) {
-            Ok(name) => name,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        let count = match sg0_census_list_count(&list_constant_name) {
-            Ok(count) => count,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        if count <= bound {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "CensusBoundCheck `{list_constant_name}` observed {count}, bound {bound}"
-            ))
-        }
-    }
-
-    fn eval_census_subset_count_shape(
-        &self,
-        _claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [authority, list_constant, subset_predicate] = payload else {
-            return ClaimResult::Fail(
-                "CensusSubsetCount payload should be (DeclarationRef, CensusListConstant, DeclarationRef)".to_string(),
-            );
-        };
-        if let Err(reason) = self.resolve_census_authority_ref(authority, "authority") {
-            return ClaimResult::Fail(reason);
-        }
-        let list_constant_name = match self.resolve_census_list_constant_ref(list_constant) {
-            Ok(name) => name,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        let FieldValue::Reference(subset_id) = subset_predicate else {
-            return ClaimResult::Fail(format!(
-                "PB census predicate `subset_predicate` should be a DeclarationRef, got {subset_predicate:?}"
-            ));
-        };
-        let subset_name = self
-            .dag
-            .declaration(*subset_id)
-            .name
-            .as_deref()
-            .unwrap_or("");
-        let (predicate, subset_label): (fn(&str) -> bool, &str) = match subset_name {
-            "lens_producer_files_subset_predicate" => {
-                if let Err(reason) = self.resolve_pb_marker_ref(
-                    subset_predicate,
-                    "subset_predicate",
-                    "lens_producer_files_subset_predicate",
-                    "LensProducerFilesSubsetPredicate",
-                ) {
-                    return ClaimResult::Fail(reason);
-                }
-                (is_lens_producer_census_path, "lens-producer")
-            }
-            "bin_shim_files_subset_predicate" => {
-                if let Err(reason) = self.resolve_pb_marker_ref(
-                    subset_predicate,
-                    "subset_predicate",
-                    "bin_shim_files_subset_predicate",
-                    "BinShimFilesSubsetPredicate",
-                ) {
-                    return ClaimResult::Fail(reason);
-                }
-                (is_bin_shim_census_path, "bin-shim")
-            }
-            other => {
-                return ClaimResult::Fail(format!(
-                    "PB census predicate `subset_predicate` references unknown predicate `{other}`"
-                ));
-            }
-        };
-        let entries = match sg0_census_list_entries(&list_constant_name) {
-            Ok(entries) => entries,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        let count = entries.iter().filter(|path| predicate(path)).count() as i64;
-        if count == 0 {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "CensusSubsetCount `{list_constant_name}` {subset_label} subset observed {count}"
-            ))
-        }
-    }
-
-    fn eval_fixed_point_converges_shape(
-        &self,
-        _claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [FieldValue::Literal(LiteralBits::String(compile_target)), FieldValue::Literal(LiteralBits::String(expected))] =
-            payload
-        else {
-            return ClaimResult::Fail(
-                "FixedPointConverges payload should be (Path, SnapshotRef)".to_string(),
-            );
-        };
-        if compile_target != "default_fixed_point_source" {
-            return ClaimResult::Fail(format!(
-                "FixedPointConverges only supports `default_fixed_point_source` today, got `{compile_target}`"
-            ));
-        }
-        if expected != "pipeline_stage_snapshots" {
-            return ClaimResult::Fail(format!(
-                "FixedPointConverges only supports `pipeline_stage_snapshots` today, got `{expected}`"
-            ));
-        }
-        let pass1 = match compile_stage_snapshots(default_fixed_point_source(), compile_target) {
-            Ok(snapshots) => snapshots,
-            Err(err) => {
-                return ClaimResult::Fail(format!("FixedPointConverges pass1 failed: {err:?}"))
-            }
-        };
-        let pass2 = match compile_stage_snapshots(default_fixed_point_source(), compile_target) {
-            Ok(snapshots) => snapshots,
-            Err(err) => {
-                return ClaimResult::Fail(format!("FixedPointConverges pass2 failed: {err:?}"))
-            }
-        };
-        match compare_stage_snapshots(&pass1, &pass2) {
-            Ok(()) => ClaimResult::Pass,
-            Err(mismatch) => ClaimResult::Fail(format!(
-                "FixedPointConverges mismatch at `{}`: {}",
-                mismatch.stage, mismatch.detail
-            )),
-        }
-    }
-
-    fn eval_ratchet_zero_shape(
-        &self,
-        _claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [authority, ratchet_kind] = payload else {
-            return ClaimResult::Fail(
-                "RatchetZero payload should be (DeclarationRef, DeclarationRef)".to_string(),
-            );
-        };
-        if let Err(reason) = self.resolve_census_authority_ref(authority, "authority") {
-            return ClaimResult::Fail(reason);
-        }
-        if let Err(reason) = self.resolve_pb_marker_ref(
-            ratchet_kind,
-            "ratchet_kind",
-            "compiler_std_positive_set_ratchet",
-            "CompilerStdPositiveSetRatchet",
-        ) {
-            return ClaimResult::Fail(reason);
-        }
-        let count = compiler_std_positive_set_ratchet_count();
-        if count == 0 {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "RatchetZero `compiler_std_positive_set_ratchet` observed {count}"
-            ))
-        }
-    }
-
-    /// `TestPredicate::BridgeLedgerZero { ledger: BridgeLedgerRef }`.
-    /// Unwraps the `BridgeLedgerRef { decl: DeclarationRef }` typed
-    /// wrapper, fail-closes if the inner declaration is not the
-    /// canonical `bridge_ledger`, then walks the
-    /// `List<BridgeLedgerRow>` and `Pass`es iff every row's `status`
-    /// field resolves to the `Retired` constructor of `BridgeStatus`.
-    /// Open rows surface in the failure message by name so
-    /// Verification points directly at the residual debt.
-    fn eval_bridge_ledger_zero(
-        &self,
-        _claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [ledger] = payload else {
-            return ClaimResult::Fail(
-                "BridgeLedgerZero payload should be (BridgeLedgerRef)".to_string(),
-            );
-        };
-        // `ledger: BridgeLedgerRef` lowers as a record `{ decl: DeclarationRef }`.
-        // Extract the inner declaration reference structurally; reject
-        // an unwrapped `DeclarationRef` because that would regress the
-        // typed-edge discipline the `BridgeLedgerRef` wrapper adds.
-        let ledger_id = match ledger {
-            FieldValue::Record(fields) => {
-                let Some(decl) = fields.iter().find(|(l, _)| l == "decl").map(|(_, v)| v) else {
-                    return ClaimResult::Fail(
-                        "BridgeLedgerZero `ledger`: BridgeLedgerRef record missing `decl` field"
-                            .to_string(),
-                    );
-                };
-                match decl {
-                    FieldValue::Reference(id) => *id,
-                    other => {
-                        return ClaimResult::Fail(format!(
-                            "BridgeLedgerZero `ledger.decl`: expected \
-                             FieldValue::Reference(DeclarationId), got {other:?}"
-                        ));
-                    }
-                }
-            }
-            other => {
-                return ClaimResult::Fail(format!(
-                    "BridgeLedgerZero `ledger`: expected BridgeLedgerRef record \
-                     `{{ decl: <ref> }}`, got {other:?}"
-                ));
-            }
-        };
-        let decl = self.dag.declaration(ledger_id);
-        // Fail-closed *identity* check: the ledger declaration must be
-        // exactly `bridge_ledger` from `v3.std.bridge_ledger`, not any
-        // sibling `List<BridgeLedgerRow>`. Single-authority discipline
-        // (INVARIANTS P2 / modeling-discipline single-authority): a
-        // second list that happens to share the row type cannot be
-        // accepted as a parallel ledger authority and pass the gate
-        // independently of the canonical carrier.
-        let canonical_ledger_id = self.dag.declaration_by_name("bridge_ledger").map(|d| d.id);
-        match canonical_ledger_id {
-            Some(canonical) if canonical == ledger_id => {}
-            Some(_) => {
-                return ClaimResult::Fail(format!(
-                    "BridgeLedgerZero `ledger`: only the canonical \
-                     `v3.std.bridge_ledger.bridge_ledger` declaration is an \
-                     accepted ledger authority. Got `{}` (DeclarationId {:?}).",
-                    decl_display_name(decl.id, decl),
-                    decl.id
-                ));
-            }
-            None => {
-                return ClaimResult::Fail(
-                    "BridgeLedgerZero: canonical `bridge_ledger` declaration is missing \
-                     from the bootstrap; the ledger gate cannot resolve."
-                        .to_string(),
-                );
-            }
-        }
-        // Type check (kept as a defense-in-depth guard even after the
-        // identity check above): the canonical declaration must be
-        // `List<BridgeLedgerRow>`. If the carrier authority ever
-        // diverges from this shape the predicate fails closed instead
-        // of silently misreading the rows.
-        match &decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                let template_name = self.dag.declaration(*template).name.clone();
-                if template_name.as_deref() != Some("List") {
-                    return ClaimResult::Fail(format!(
-                        "BridgeLedgerZero `ledger`: declaration `{}` is not a `List<...>` \
-                         instantiation (template is `{}`)",
-                        decl_display_name(decl.id, decl),
-                        template_name.as_deref().unwrap_or("<anon>")
-                    ));
-                }
-                let [arg] = arguments.as_slice() else {
-                    return ClaimResult::Fail(format!(
-                        "BridgeLedgerZero `ledger`: `List<...>` instantiation must carry \
-                         exactly one type argument, got {}",
-                        arguments.len()
-                    ));
-                };
-                let element_name = self.dag.declaration(arg.value).name.clone();
-                if element_name.as_deref() != Some("BridgeLedgerRow") {
-                    return ClaimResult::Fail(format!(
-                        "BridgeLedgerZero `ledger`: expected `List<BridgeLedgerRow>` \
-                         element type, got `List<{}>`",
-                        element_name.as_deref().unwrap_or("<anon>")
-                    ));
-                }
-            }
-            other => {
-                return ClaimResult::Fail(format!(
-                    "BridgeLedgerZero `ledger`: declaration `{}` is not a `List<...>` \
-                     instantiation; connective is {other:?}",
-                    decl_display_name(decl.id, decl)
-                ));
-            }
-        }
-        let rows = match &decl.value_body {
-            Some(ValueBody::List(rows)) => rows,
-            Some(other) => {
-                return ClaimResult::Fail(format!(
-                    "BridgeLedgerZero `ledger` must point at a `data X: List<BridgeLedgerRow>` \
-                     declaration; `{}` value_body is {other:?}",
-                    decl_display_name(decl.id, decl)
-                ));
-            }
-            None => {
-                return ClaimResult::Fail(format!(
-                    "BridgeLedgerZero `ledger` declaration `{}` has no value_body",
-                    decl_display_name(decl.id, decl)
-                ));
-            }
-        };
-
-        let Some(bridge_status) = self.dag.declaration_by_name("BridgeStatus") else {
-            return ClaimResult::Fail(
-                "BridgeLedgerZero: `BridgeStatus` is not declared in the bootstrap; \
-                 cannot resolve the `Retired` / `Open` constructors structurally"
-                    .to_string(),
-            );
-        };
-        let TypeConnective::Disj { variants } = &bridge_status.connective else {
-            return ClaimResult::Fail(
-                "BridgeLedgerZero: `BridgeStatus` must be a Disj coproduct".to_string(),
-            );
-        };
-        let allowed_constructors: std::collections::HashSet<DeclarationId> =
-            variants.iter().map(|v| v.ty).collect();
-        let Some(retired_ty) = variants.iter().find(|v| v.label == "Retired").map(|v| v.ty) else {
-            return ClaimResult::Fail(
-                "BridgeLedgerZero: `BridgeStatus::Retired` variant missing".to_string(),
-            );
-        };
-
-        let mut open_rows: Vec<String> = Vec::new();
-        for (idx, row) in rows.iter().enumerate() {
-            let FieldValue::Record(fields) = row else {
-                return ClaimResult::Fail(format!(
-                    "BridgeLedgerZero: row {idx} is not a record literal: {row:?}"
-                ));
-            };
-            let name = match fields.iter().find(|(l, _)| l == "name").map(|(_, v)| v) {
-                Some(FieldValue::Literal(LiteralBits::String(s))) => s.clone(),
-                Some(other) => {
-                    return ClaimResult::Fail(format!(
-                        "BridgeLedgerZero: row {idx} `name` must be a String literal, got {other:?}"
-                    ));
-                }
-                None => {
-                    return ClaimResult::Fail(format!(
-                        "BridgeLedgerZero: row {idx} missing required `name` field"
-                    ));
-                }
-            };
-            let status = match fields.iter().find(|(l, _)| l == "status").map(|(_, v)| v) {
-                Some(FieldValue::Variant { constructor, .. }) => *constructor,
-                Some(other) => {
-                    return ClaimResult::Fail(format!(
-                        "BridgeLedgerZero: row `{name}` `status` must be a Variant, got {other:?}"
-                    ));
-                }
-                None => {
-                    return ClaimResult::Fail(format!(
-                        "BridgeLedgerZero: row `{name}` missing `status` field"
-                    ));
-                }
-            };
-            // Defensive: a row carrying a constructor outside `BridgeStatus`'s
-            // declared variants is malformed at the claim boundary, even
-            // though the carrier ratchet guards the substrate side.
-            if !allowed_constructors.contains(&status) {
-                return ClaimResult::Fail(format!(
-                    "BridgeLedgerZero: row `{name}` `status` constructor (DeclarationId {:?}) \
-                     is not one of `BridgeStatus`'s declared variants",
-                    status
-                ));
-            }
-            if status != retired_ty {
-                open_rows.push(name);
-            }
-        }
-
-        if open_rows.is_empty() {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "BridgeLedgerZero: {} bridge row(s) not yet `Retired`: [{}]",
-                open_rows.len(),
-                open_rows.join(", ")
-            ))
-        }
-    }
-
-    fn eval_generated_from_dag_shape(
-        &self,
-        _claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        // R3 Cluster M generator-manifest integration (Gap 5 / Cluster M lane).
-        // **This predicate implements the Gate #84 slice:** exact `manifest_entries`
-        // `output_path` set vs `GENERATED_FILES` / `build.rs::REGEN_OUTPUTS`, plus the
-        // empty `expected_hand_authored_test` census (failure copy cites **#84** only).
-        // **Gate #85** (`Quantified` / quantifier substrate) is a sibling obligation:
-        // `Quantified` suite-arm evaluation walks `ProgramGenerator` families (`run_suite`
-        // → `evaluate_quantified_test_claim`), not inside `GeneratedFromDag`.
-        // Payload carries `manifest_entries: List<GeneratedManifestEntry>`
-        // (`PendingFact { output_path }` | `ResolvedFact { output_path,
-        // dag_source, source_hash }`). The runner consumes the shared
-        // `output_path` field from both arms, and validates that every
-        // `ResolvedFact` also carries a real declaration edge plus a non-empty
-        // hash token. The later byte-regeneration check can then treat
-        // `ResolvedFact` as already shape-materialized, not as a PendingFact
-        // with inert extra payload.
-        let [authority, FieldValue::List(manifest_entries)] = payload else {
-            return ClaimResult::Fail(
-                "GeneratedFromDag payload should be (DeclarationRef, List<GeneratedManifestEntry>)"
-                    .to_string(),
-            );
-        };
-        if let Err(reason) = self.resolve_census_authority_ref(authority, "authority") {
-            return ClaimResult::Fail(reason);
-        }
-        let generated: BTreeSet<&str> = GENERATED_FILES.iter().copied().collect();
-        let mut named_paths = Vec::new();
-        for entry in manifest_entries {
-            let Some((label, variant_payload)) = self.variant_value(entry) else {
-                return ClaimResult::Fail(format!(
-                    "GeneratedFromDag manifest_entries must contain only GeneratedManifestEntry variants (PendingFact | ResolvedFact), got {entry:?}"
-                ));
-            };
-            if label != "PendingFact" && label != "ResolvedFact" {
-                return ClaimResult::Fail(format!(
-                    "GeneratedFromDag manifest_entries variant `{label}` is not a GeneratedManifestEntry arm (expected PendingFact | ResolvedFact)"
-                ));
-            }
-            // The v3 lowerer hands variant payloads back in three shapes depending
-            // on field arity / construction style:
-            //  - single-field record variants (e.g., `PendingFact { output_path }`)
-            //    inline the field-value as `payload = [<bare-literal>]`;
-            //  - multi-field record variants (e.g., `ResolvedFact { output_path,
-            //    dag_source, source_hash }`) lower positionally as
-            //    `payload = [<output_path>, <dag_source>, <source_hash>]`;
-            //  - some construction paths wrap the fields in a single
-            //    `[Record([(name, value), ...])]` slot.
-            // For both arms of `GeneratedManifestEntry` the declared field order
-            // begins with `output_path`, so the first payload slot carries the
-            // path literal in every supported lowering shape. We accept all three
-            // by inspecting the first slot and, if it is a record, looking up
-            // `output_path` by field name.
-            let output_path = variant_payload.first().and_then(|head| match head {
-                FieldValue::Literal(LiteralBits::String(path)) => Some(path.clone()),
-                _ => record_fields(head).and_then(|fields| {
-                    field(fields, "output_path").and_then(|v| match v {
-                        FieldValue::Literal(LiteralBits::String(path)) => Some(path.clone()),
-                        _ => None,
-                    })
-                }),
-            });
-            match output_path {
-                Some(path) => named_paths.push(path),
-                None => {
-                    return ClaimResult::Fail(format!(
-                        "GeneratedFromDag GeneratedManifestEntry `{label}` payload missing String `output_path` slot: {variant_payload:?}"
-                    ));
-                }
-            }
-            if label == "ResolvedFact" {
-                let (dag_source, source_hash) = match variant_payload.as_slice() {
-                    [FieldValue::Record(fields)] => {
-                        (field(fields, "dag_source"), field(fields, "source_hash"))
-                    }
-                    [_, dag_source, source_hash] => (Some(dag_source), Some(source_hash)),
-                    _ => (None, None),
-                };
-                match dag_source {
-                    Some(FieldValue::Reference(_)) => {}
-                    Some(other) => {
-                        return ClaimResult::Fail(format!(
-                            "GeneratedFromDag ResolvedFact `dag_source` must be a DeclarationRef edge, got {other:?}"
-                        ));
-                    }
-                    None => {
-                        return ClaimResult::Fail(format!(
-                            "GeneratedFromDag ResolvedFact payload missing `dag_source` DeclarationRef: {variant_payload:?}"
-                        ));
-                    }
-                }
-                match source_hash {
-                    Some(FieldValue::Literal(LiteralBits::String(hash))) if !hash.is_empty() => {}
-                    Some(FieldValue::Literal(LiteralBits::String(_))) => {
-                        return ClaimResult::Fail(
-                            "GeneratedFromDag ResolvedFact `source_hash` must be non-empty"
-                                .to_string(),
-                        );
-                    }
-                    Some(other) => {
-                        return ClaimResult::Fail(format!(
-                            "GeneratedFromDag ResolvedFact `source_hash` must be a String literal, got {other:?}"
-                        ));
-                    }
-                    None => {
-                        return ClaimResult::Fail(format!(
-                            "GeneratedFromDag ResolvedFact payload missing `source_hash`: {variant_payload:?}"
-                        ));
-                    }
-                }
-            }
-        }
-        let manifest_set: BTreeSet<&str> = named_paths.iter().map(|path| path.as_str()).collect();
-        if manifest_set.len() != named_paths.len() {
-            return ClaimResult::Fail(
-                "GeneratedFromDag manifest_entries contains duplicate `output_path` values; each \
-                 `build.rs::REGEN_OUTPUTS` path must appear exactly once"
-                    .to_string(),
-            );
-        }
-        if manifest_set != generated {
-            let only_manifest: Vec<&str> = manifest_set.difference(&generated).copied().collect();
-            let only_authority: Vec<&str> = generated.difference(&manifest_set).copied().collect();
-            return ClaimResult::Fail(format!(
-                "GeneratedFromDag manifest_entries must enumerate exactly the `build.rs::REGEN_OUTPUTS` \
-                 / `GENERATED_FILES` authority ({} path(s)); only-in-manifest={only_manifest:?}; \
-                 missing-from-manifest={only_authority:?}",
-                generated.len(),
-            ));
-        }
-        let test_count = match sg0_census_list_count("expected_hand_authored_test") {
-            Ok(count) => count,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        if test_count == 0 {
-            ClaimResult::Pass
-        } else {
-            ClaimResult::Fail(format!(
-                "GeneratedFromDag: `expected_hand_authored_test` census is non-empty ({test_count} path(s)); \
-                 Gate #84 negative authority requires an empty hand-authored integration-test ratchet \
-                 at R3 close (positive authority: manifest lists {} REGEN output path(s))",
-                manifest_set.len(),
-            ))
-        }
-    }
-
-    fn eval_release_deferred_claim_shape(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        const RELEASE_ACCEPTANCE_FIXTURE: &str =
-            "src/v3/compiler/tests/fixtures/r1_release_acceptance.dag";
-        if claim.declaration_file != RELEASE_ACCEPTANCE_FIXTURE {
-            return ClaimResult::Fail(format!(
-                "ReleaseDeferredClaim is only valid in `{RELEASE_ACCEPTANCE_FIXTURE}`, got `{}`",
-                claim.declaration_file
-            ));
-        }
-
-        let [deferred_gate, target_lane, authority_doc] = payload else {
-            return ClaimResult::Fail(format!(
-                "ReleaseDeferredClaim payload should be exactly three DeclarationRef fields \
-                 (deferred_gate, target_lane, authority_doc); got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-
-        for (field_label, value, role_name) in [
-            ("deferred_gate", deferred_gate, "R1GateMarker"),
-            ("target_lane", target_lane, "TargetLaneMarker"),
-            ("authority_doc", authority_doc, "ReleaseAuthorityDoc"),
-        ] {
-            let role_id = match self.release_fixture_local_role_id(role_name) {
-                Ok(id) => id,
-                Err(reason) => return ClaimResult::Fail(format!("ReleaseDeferredClaim: {reason}")),
-            };
-            let id = match self.resolve_declaration_ref_id(value, field_label) {
-                Ok(id) => id,
-                Err(reason) => return ClaimResult::Fail(format!("ReleaseDeferredClaim: {reason}")),
-            };
-            let decl = self.dag.declaration(id);
-            if decl.span.file != RELEASE_ACCEPTANCE_FIXTURE {
-                return ClaimResult::Fail(format!(
-                    "ReleaseDeferredClaim `{field_label}` must reference a marker declared in `{RELEASE_ACCEPTANCE_FIXTURE}`, got `{}` from `{}`",
-                    decl_display_name(id, decl),
-                    decl.span.file
-                ));
-            }
-            if !Self::decl_inhabits_role_id(decl, role_id) {
-                return ClaimResult::Fail(format!(
-                    "ReleaseDeferredClaim `{field_label}` must reference a declaration inhabiting fixture-local `{role_name}`, got `{}`",
-                    decl_display_name(id, decl)
-                ));
-            }
-        }
-
-        ClaimResult::Pass
-    }
-
-    fn eval_substrate_research_deferred_claim_shape(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        if claim.declaration_file != TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE {
-            return ClaimResult::Fail(format!(
-                "SubstrateResearchDeferredClaim is only valid in `{TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE}`, got `{}`",
-                claim.declaration_file
-            ));
-        }
-
-        let [deferred_gate, target_lane, authority_doc] = payload else {
-            return ClaimResult::Fail(format!(
-                "SubstrateResearchDeferredClaim payload should be exactly three DeclarationRef fields \
-                 (deferred_gate, target_lane, authority_doc); got {} payload slot(s)",
-                payload.len()
-            ));
-        };
-
-        for (field_label, value, role_name) in [
-            ("deferred_gate", deferred_gate, "Tc1ResearchGateMarker"),
-            (
-                "target_lane",
-                target_lane,
-                "SubstrateLensPrimitiveTargetLaneMarker",
-            ),
-            (
-                "authority_doc",
-                authority_doc,
-                "LambdaCalculusGroundingAuthorityDoc",
-            ),
-        ] {
-            let role_id = match self.substrate_research_fixture_local_role_id(role_name) {
-                Ok(id) => id,
-                Err(reason) => {
-                    return ClaimResult::Fail(format!("SubstrateResearchDeferredClaim: {reason}"));
-                }
-            };
-            let id = match self.resolve_declaration_ref_id(value, field_label) {
-                Ok(id) => id,
-                Err(reason) => {
-                    return ClaimResult::Fail(format!("SubstrateResearchDeferredClaim: {reason}"));
-                }
-            };
-            let decl = self.dag.declaration(id);
-            if decl.span.file != TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE {
-                return ClaimResult::Fail(format!(
-                    "SubstrateResearchDeferredClaim `{field_label}` must reference a marker declared in `{TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE}`, got `{}` from `{}`",
-                    decl_display_name(id, decl),
-                    decl.span.file
-                ));
-            }
-            if !Self::decl_inhabits_role_id(decl, role_id) {
-                return ClaimResult::Fail(format!(
-                    "SubstrateResearchDeferredClaim `{field_label}` must reference a declaration inhabiting fixture-local `{role_name}`, got `{}`",
-                    decl_display_name(id, decl)
-                ));
-            }
-        }
-
-        ClaimResult::Pass
-    }
-
-    fn substrate_research_fixture_local_role_id(
-        &self,
-        role_name: &str,
-    ) -> Result<DeclarationId, String> {
-        let mut matches = self.dag.declarations().iter().filter(|decl| {
-            decl.name.as_deref() == Some(role_name)
-                && decl.span.file == TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE
-        });
-        let Some(role) = matches.next() else {
-            return Err(format!(
-                "substrate TC1 fixture role `{role_name}` is missing from `{TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE}`"
-            ));
-        };
-        if matches.next().is_some() {
-            return Err(format!(
-                "substrate TC1 fixture role `{role_name}` is declared more than once in `{TC1_SUBSTRATE_LENS_ETA_DEFERRED_FIXTURE}`"
-            ));
-        }
-        Ok(role.id)
-    }
-
-    fn release_fixture_local_role_id(&self, role_name: &str) -> Result<DeclarationId, String> {
-        const RELEASE_ACCEPTANCE_FIXTURE: &str =
-            "src/v3/compiler/tests/fixtures/r1_release_acceptance.dag";
-        let mut matches = self.dag.declarations().iter().filter(|decl| {
-            decl.name.as_deref() == Some(role_name) && decl.span.file == RELEASE_ACCEPTANCE_FIXTURE
-        });
-        let Some(role) = matches.next() else {
-            return Err(format!(
-                "release fixture role `{role_name}` is missing from `{RELEASE_ACCEPTANCE_FIXTURE}`"
-            ));
-        };
-        if matches.next().is_some() {
-            return Err(format!(
-                "release fixture role `{role_name}` is declared more than once in `{RELEASE_ACCEPTANCE_FIXTURE}`"
-            ));
-        }
-        Ok(role.id)
-    }
-
-    fn resolve_census_authority_ref(
-        &self,
-        value: &FieldValue,
-        field_label: &str,
-    ) -> Result<DeclarationId, String> {
-        match value {
-            FieldValue::Reference(id) => Ok(*id),
-            other => Err(format!(
-                "PB census predicate `{field_label}` should be a DeclarationRef edge, got {other:?}"
-            )),
-        }
-    }
-
-    fn resolve_pb_marker_ref(
-        &self,
-        value: &FieldValue,
-        field_label: &str,
-        expected_decl_name: &str,
-        expected_marker_type: &str,
-    ) -> Result<DeclarationId, String> {
-        let FieldValue::Reference(id) = value else {
-            return Err(format!(
-                "PB census predicate `{field_label}` should be a DeclarationRef edge to `{expected_decl_name}`, got {value:?}"
-            ));
-        };
-        let decl = self.dag.declaration(*id);
-        let actual_name = decl_display_name(*id, decl);
-        if decl.name.as_deref() != Some(expected_decl_name) {
-            return Err(format!(
-                "PB census predicate `{field_label}` expected `{expected_decl_name}`, got `{actual_name}`"
-            ));
-        }
-        match self.decl_inhabits_named_role(decl, expected_marker_type) {
-            Ok(true) => Ok(*id),
-            Ok(false) => Err(format!(
-                "PB census predicate `{field_label}` declaration `{actual_name}` must inhabit `{expected_marker_type}`"
-            )),
-            Err(reason) => Err(reason),
-        }
-    }
-
-    fn resolve_census_list_constant_ref(&self, value: &FieldValue) -> Result<String, String> {
-        let FieldValue::Reference(id) = value else {
-            return Err(format!(
-                "PB census predicate `list_constant` should be a CensusListConstant edge, got {value:?}"
-            ));
-        };
-        let decl = self.dag.declaration(*id);
-        let actual_name = decl_display_name(*id, decl);
-        match self.decl_inhabits_named_role(decl, "CensusListConstant") {
-            Ok(true) => Ok(actual_name),
-            Ok(false) => Err(format!(
-                "PB census predicate `list_constant` declaration `{actual_name}` must inhabit `CensusListConstant`"
-            )),
-            Err(reason) => Err(reason),
-        }
-    }
-
-    /// Hermetic path: compile `claim.source`, then `apply_lens_declaration` for subject (0-arity)
-    /// and invariant (1-arity). `run_claim` wraps a bare `Pass` in `NotYetImplemented` when
-    /// `requires` is empty so we do not fabricate a mock-backed receipt without a DB-15 obligation
-    /// surface (see `MockBackedInvariant` arm in `run_claim`).
-    fn eval_mock_backed_invariant(
-        &self,
-        claim: &TestClaimValue,
-        payload: &[FieldValue],
-    ) -> ClaimResult {
-        let [subject, invariant] = payload else {
-            return ClaimResult::Fail(
-                "MockBackedInvariant payload should be (subject: DeclarationRef, invariant: DeclarationRef)"
-                    .to_string(),
-            );
-        };
-        let subject_name = match self.resolve_mock_declaration_ref_edge(subject, "subject") {
-            Ok(name) => name,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-        let invariant_name = match self.resolve_mock_declaration_ref_edge(invariant, "invariant") {
-            Ok(name) => name,
-            Err(reason) => return ClaimResult::Fail(reason),
-        };
-
-        let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-            Ok(dag) => dag,
-            Err(CompileError::Semantic(dag)) => {
-                return ClaimResult::Fail(format!(
-                    "MockBackedInvariant: claim `source` / `{}` failed inference: {:?}",
-                    claim.file_name,
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                ));
-            }
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "MockBackedInvariant: claim `source` / `{}` did not compile: {err:?}",
-                    claim.file_name
-                ));
-            }
-        };
-
-        let Some(subject_decl) = program_dag.declaration_by_name(&subject_name) else {
-            return ClaimResult::Fail(format!(
-                "MockBackedInvariant: subject `{subject_name}` not found in compiled claim program"
-            ));
-        };
-        let Some(invariant_decl) = program_dag.declaration_by_name(&invariant_name) else {
-            return ClaimResult::Fail(format!(
-                "MockBackedInvariant: invariant `{invariant_name}` not found in compiled claim program"
-            ));
-        };
-
-        let subject_out = match apply_lens_declaration(&program_dag, None, subject_decl.id, &[]) {
-            Ok(v) => v,
-            Err(err) => {
-                return ClaimResult::Fail(format!(
-                    "MockBackedInvariant: applying subject `{subject_name}` failed: {err:?}"
-                ));
-            }
-        };
-        match apply_lens_declaration(&program_dag, None, invariant_decl.id, &[subject_out]) {
-            Ok(FieldValue::Literal(LiteralBits::Bool(true))) => ClaimResult::Pass,
-            Ok(other) => ClaimResult::Fail(format!(
-                "MockBackedInvariant: invariant `{invariant_name}` did not return Bool(true), got {other:?}"
-            )),
-            Err(err) => ClaimResult::Fail(format!(
-                "MockBackedInvariant: applying invariant `{invariant_name}` failed: {err:?}"
-            )),
-        }
-    }
-
-    fn validate_resource_requirements(&self, claim: &TestClaimValue) -> Result<(), String> {
-        for (idx, requirement) in claim.requires.iter().enumerate() {
-            let Some(fields) = record_fields(requirement) else {
-                return Err(format!(
-                    "MockBackedInvariant: `requires[{idx}]` must be a ResourceReference record"
-                ));
-            };
-            match field(fields, "target") {
-                Some(FieldValue::Reference(_)) => {}
-                Some(other) => {
-                    return Err(format!(
-                        "MockBackedInvariant: `requires[{idx}].target` must be a DeclarationRef edge, got {other:?}"
-                    ));
-                }
-                None => {
-                    return Err(format!(
-                        "MockBackedInvariant: `requires[{idx}]` is missing `target`"
-                    ));
-                }
-            }
-        }
-        Ok(())
-    }
-
-    fn resolve_mock_declaration_ref_edge(
-        &self,
-        value: &FieldValue,
-        label: &str,
-    ) -> Result<String, String> {
-        match value {
-            FieldValue::Reference(id) => Ok(self
-                .dag
-                .declaration(*id)
-                .name
-                .clone()
-                .unwrap_or_else(|| format!("Declaration#{}", id.raw()))),
-            FieldValue::Record(fields) if fields.is_empty() => Err(format!(
-                "MockBackedInvariant `{label}` must be a DeclarationRef edge, got empty record literal"
-            )),
-            other => Err(format!(
-                "MockBackedInvariant `{label}` must be a DeclarationRef edge, got {other:?}"
-            )),
-        }
-    }
-
-    fn diagnostic_matches(&self, actual_dag: &Dag, reference: &FieldValue) -> Result<bool, String> {
-        let reference = self.diagnostic_reference(reference)?;
-        Ok(actual_dag
-            .diagnostics()
-            .iter()
-            .any(|(_, diagnostic)| diagnostic_matches_reference(diagnostic, &reference)))
-    }
-
-    fn diagnostic_matches_single(
-        &self,
-        diagnostic: &Diagnostic,
-        reference: &FieldValue,
-    ) -> Result<bool, String> {
-        let reference = self.diagnostic_reference(reference)?;
-        Ok(diagnostic_matches_reference(diagnostic, &reference))
-    }
-
-    fn diagnostic_reference(
-        &self,
-        reference: &FieldValue,
-    ) -> Result<(String, DiagnosticDetailFilter), String> {
-        let Some(fields) = record_fields(reference) else {
-            return Err("DiagnosticReference payload should be a record".to_string());
-        };
-        let Some(kind) = field(fields, "kind") else {
-            return Err("DiagnosticReference is missing `kind`".to_string());
-        };
-        let Some(detail_contains) = field(fields, "detail_contains") else {
-            return Err("DiagnosticReference is missing `detail_contains`".to_string());
-        };
-        let Some((kind_label, kind_payload)) = self.variant_value(kind) else {
-            return Err("DiagnosticReference `kind` is not a variant".to_string());
-        };
-        if !kind_payload.is_empty() {
-            return Err("DiagnosticReference `kind` should not carry payload".to_string());
-        }
-        Ok((kind_label, self.detail_filter(detail_contains)?))
-    }
-
-    fn detail_filter(&self, value: &FieldValue) -> Result<DiagnosticDetailFilter, String> {
-        let Some((label, payload)) = self.variant_value(value) else {
-            return Err("DiagnosticDetailExpectation is not a variant".to_string());
-        };
-        match label.as_str() {
-            "AnyDetail" => {
-                if payload.is_empty() {
-                    Ok(DiagnosticDetailFilter::Any)
-                } else {
-                    Err("AnyDetail should not carry payload".to_string())
-                }
-            }
-            "Contains" => match payload.as_slice() {
-                [FieldValue::Literal(LiteralBits::String(text))] => {
-                    Ok(DiagnosticDetailFilter::Contains(text.clone()))
-                }
-                _ => Err("Contains should carry a single String payload".to_string()),
-            },
-            other => Err(format!(
-                "unsupported DiagnosticDetailExpectation variant `{other}`"
-            )),
-        }
-    }
-
-    fn compare_cost(&self, comparator: &FieldValue, actual: i64, bound: i64) -> bool {
-        let Some((label, payload)) = self.variant_value(comparator) else {
-            return false;
-        };
-        if !payload.is_empty() {
-            return false;
-        }
-        match label.as_str() {
-            "Eq" => actual == bound,
-            "Lt" => actual < bound,
-            "Le" => actual <= bound,
-            "Gt" => actual > bound,
-            "Ge" => actual >= bound,
-            "Ne" => actual != bound,
-            _ => false,
-        }
-    }
-
-    fn variant_value(&self, value: &FieldValue) -> Option<(String, Vec<FieldValue>)> {
-        match value {
-            FieldValue::Variant {
-                constructor,
-                payload,
-            } => Some((variant_label(self.dag, *constructor)?, payload.clone())),
-            _ => None,
-        }
-    }
-}
-
-impl TestClaimValue {
-    pub fn from_declaration(decl: &Declaration) -> Result<Self, String> {
-        let fields = structural_fields(decl)
-            .ok_or_else(|| "TestClaim declaration is not structural".to_string())?;
-        let claim_name = string_field(fields, "name")?;
-        let source = string_field(fields, "source")?;
-        let file_name = string_field(fields, "file_name")?;
-        let predicate = field(fields, "predicate")
-            .ok_or_else(|| "TestClaim is missing `predicate`".to_string())?
-            .clone();
-        let requires = match field(fields, "requires") {
-            Some(FieldValue::List(values)) => values.clone(),
-            Some(other) => return Err(format!("TestClaim `requires` is not a list: {other:?}")),
-            None => return Err("TestClaim is missing `requires`".to_string()),
-        };
-        Ok(Self {
-            claim_name,
-            declaration_file: decl.span.file.clone(),
-            source,
-            file_name,
-            predicate,
-            requires,
-        })
-    }
-}
-
-/// **🟢 TERMINAL coproduct** (per `docs/modeling-discipline.md` Practice 4): mirrors `Quantifier`
-/// in `src/v3/std/verification.dag` (`ForAll` | `Exists`) for runner-side folding only — not a
-/// parallel substrate authority.
-#[derive(Debug, Clone, Copy)]
-enum QuantifierKind {
-    ForAll,
-    Exists,
-}
-
-#[derive(Debug, Clone)]
-struct ParsedQuantifiedTestClaim {
-    name: String,
-    declaration_file: String,
-    shapes: Vec<(String, String)>,
-    quantifier: QuantifierKind,
-    predicate: FieldValue,
-    requires: Vec<FieldValue>,
-}
-
-fn parse_quantifier_kind(dag: &Dag, value: &FieldValue) -> Result<QuantifierKind, String> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(format!(
-            "QuantifiedTestClaim.quantifier must be a variant, got {value:?}"
-        ));
-    };
-    let label = variant_label(dag, *constructor).ok_or_else(|| {
-        format!(
-            "QuantifiedTestClaim.quantifier variant constructor {:?} did not resolve",
-            constructor
-        )
-    })?;
-    match label.as_str() {
-        "ForAll" => {
-            if !payload.is_empty() {
-                return Err(format!(
-                    "Quantifier ForAll expects empty payload, got {payload:?}"
-                ));
-            }
-            Ok(QuantifierKind::ForAll)
-        }
-        "Exists" => {
-            if !payload.is_empty() {
-                return Err(format!(
-                    "Quantifier Exists expects empty payload, got {payload:?}"
-                ));
-            }
-            Ok(QuantifierKind::Exists)
-        }
-        other => Err(format!(
-            "unsupported Quantifier variant `{other}` (bootstrap expects ForAll | Exists)"
-        )),
-    }
-}
-
-fn literal_program_fields_from_shape(
-    dag: &Dag,
-    shape_value: &FieldValue,
-) -> Result<(String, String), String> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = shape_value
-    else {
-        return Err(format!(
-            "ProgramShape list element must be a variant, got {shape_value:?}"
-        ));
-    };
-    let label = variant_label(dag, *constructor).ok_or_else(|| {
-        format!(
-            "ProgramShape variant constructor {:?} did not resolve",
-            constructor
-        )
-    })?;
-    if label != "LiteralProgram" {
-        return Err(format!(
-            "unsupported ProgramShape variant `{label}` (bootstrap supports LiteralProgram only)"
-        ));
-    }
-    match payload.as_slice() {
-        [FieldValue::Record(fields)] => Ok((string_field(fields, "source")?, string_field(fields, "file_name")?)),
-        [FieldValue::Literal(LiteralBits::String(source)), FieldValue::Literal(LiteralBits::String(file_name))] => {
-            Ok((source.clone(), file_name.clone()))
-        }
-        _ => Err(format!(
-            "LiteralProgram expects record {{source,file_name}} or two string literals in payload, got {payload:?}"
-        )),
-    }
-}
-
-fn resolve_generator_binding_to_list_elems<'b>(
-    dag: &'b Dag,
-    binding: &'b FieldValue,
-) -> Result<&'b [FieldValue], String> {
-    match binding {
-        FieldValue::Reference(id) => {
-            let decl = dag.declaration(*id);
-            match &decl.value_body {
-                Some(ValueBody::List(elems)) => Ok(elems.as_slice()),
-                other => Err(format!(
-                    "ProgramGenerator.generator target `{}` must have List value body, got {other:?}",
-                    decl.name.as_deref().unwrap_or("#anonymous"),
-                )),
-            }
-        }
-        other => Err(format!(
-            "ProgramGenerator.generator must be DeclarationRef, got {other:?}"
-        )),
-    }
-}
-
-fn resolve_quantified_generator_shapes(
-    dag: &Dag,
-    generator_value: &FieldValue,
-) -> Result<Vec<(String, String)>, String> {
-    let list_elems: &[FieldValue] = match generator_value {
-        FieldValue::Record(rec_fields) => {
-            let inner = field(rec_fields, "generator").ok_or_else(|| {
-                "ProgramGenerator structural literal missing `generator` field".to_string()
-            })?;
-            resolve_generator_binding_to_list_elems(dag, inner)?
-        }
-        FieldValue::Reference(id) => {
-            let decl = dag.declaration(*id);
-            match &decl.value_body {
-                Some(ValueBody::Structural { fields }) => {
-                    let inner = field(fields, "generator").ok_or_else(|| {
-                        format!(
-                            "ProgramGenerator declaration `{}` missing `generator` field",
-                            decl.name.as_deref().unwrap_or("#anonymous")
-                        )
-                    })?;
-                    resolve_generator_binding_to_list_elems(dag, inner)?
-                }
-                other => {
-                    return Err(format!(
-                        "QuantifiedTestClaim.generator reference `{}` must name a ProgramGenerator carrier (`{{ generator: DeclarationRef }}` resolving to List<ProgramShape>); accepting a bare List<ProgramShape> declaration bypasses the substrate boundary (INVARIANTS P2/P3). Got value_body={other:?}",
-                        decl.name.as_deref().unwrap_or("#anonymous"),
-                    ));
-                }
-            }
-        }
-        other => {
-            return Err(format!(
-                "QuantifiedTestClaim.generator must be ProgramGenerator record or declaration ref, got {other:?}"
-            ));
-        }
-    };
-    let mut out = Vec::with_capacity(list_elems.len());
-    for elem in list_elems {
-        out.push(literal_program_fields_from_shape(dag, elem)?);
-    }
-    Ok(out)
-}
-
-fn parse_quantified_test_claim_for_evaluation(
-    dag: &Dag,
-    decl: &Declaration,
-) -> Result<ParsedQuantifiedTestClaim, String> {
-    let fields = structural_fields(decl)
-        .ok_or_else(|| "QuantifiedTestClaim declaration is not structural".to_string())?;
-    let name = string_field(fields, "name")?;
-    let generator_value = field(fields, "generator")
-        .ok_or_else(|| "QuantifiedTestClaim is missing `generator`".to_string())?;
-    let quantifier_value = field(fields, "quantifier")
-        .ok_or_else(|| "QuantifiedTestClaim is missing `quantifier`".to_string())?;
-    let predicate = field(fields, "predicate")
-        .ok_or_else(|| "QuantifiedTestClaim is missing `predicate`".to_string())?
-        .clone();
-    let requires = match field(fields, "requires") {
-        Some(FieldValue::List(values)) => values.clone(),
-        Some(other) => {
-            return Err(format!(
-                "QuantifiedTestClaim `requires` is not a list: {other:?}"
-            ));
-        }
-        None => return Err("QuantifiedTestClaim is missing `requires`".to_string()),
-    };
-    let shapes = resolve_quantified_generator_shapes(dag, generator_value)?;
-    let quantifier = parse_quantifier_kind(dag, quantifier_value)?;
-    Ok(ParsedQuantifiedTestClaim {
-        name,
-        declaration_file: decl.span.file.clone(),
-        shapes,
-        quantifier,
-        predicate,
-        requires,
-    })
-}
-
-fn structural_fields(decl: &Declaration) -> Option<&[(String, FieldValue)]> {
-    match decl.value_body.as_ref()? {
-        ValueBody::Structural { fields } => Some(fields),
-        ValueBody::Unparsed(_) | ValueBody::Scalar(_) | ValueBody::List(_) | ValueBody::Map(_) => {
-            None
-        }
-    }
-}
-
-fn field<'a>(fields: &'a [(String, FieldValue)], label: &str) -> Option<&'a FieldValue> {
-    fields
-        .iter()
-        .find(|(candidate, _)| candidate == label)
-        .map(|(_, value)| value)
-}
-
-fn string_field(fields: &[(String, FieldValue)], label: &str) -> Result<String, String> {
-    match field(fields, label) {
-        Some(FieldValue::Literal(LiteralBits::String(value))) => Ok(value.clone()),
-        Some(other) => Err(format!("TestClaim `{label}` is not a string: {other:?}")),
-        None => Err(format!("TestClaim is missing `{label}`")),
-    }
-}
-
-fn record_fields(value: &FieldValue) -> Option<&[(String, FieldValue)]> {
-    match value {
-        FieldValue::Record(fields) => Some(fields),
-        _ => None,
-    }
-}
-
-fn decl_display_name(id: DeclarationId, decl: &Declaration) -> String {
-    decl.name
-        .clone()
-        .unwrap_or_else(|| format!("Declaration#{}", id.raw()))
-}
-
-/// Lowered [`SymbolicCost`] data bodies may wrap a bare [`FieldValue::Variant`] in a
-/// single-field structural carrier (`"_"`) — see `try_lower_symbolic_cost_constant_cost_data` in
-/// `lower.rs`. Peel that wrapper before comparing to lens output.
-fn field_value_for_symbolic_cost_expected(
-    fixture_dag: &Dag,
-    body: &ValueBody,
-) -> Result<FieldValue, crate::lens_declaration_apply::LensApplyError> {
-    match body {
-        ValueBody::Structural { fields } if fields.len() == 1 && fields[0].0 == "_" => {
-            Ok(fields[0].1.clone())
-        }
-        other => field_value_from_value_body(fixture_dag, other),
-    }
-}
-
-/// Normalization for `SymbolicCost` equality across distinct compiled DAGs (`TestClaim.source` vs
-/// fixture graph). Expected `.dag` fixtures may leave `SizeVariable.source_port` unresolved only
-/// when the predicate carries an explicit selected bind parameter. Otherwise identity follows
-/// `algebra.dag` / [`crate::dag::SizeVariable`]: `source_port` only.
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum SymbolicCostEqPattern {
-    Constant(i64),
-    Linear {
-        source_port: SymbolicCostPortPattern,
-    },
-    Log {
-        source_port: SymbolicCostPortPattern,
-    },
-    Polynomial {
-        source_port: SymbolicCostPortPattern,
-        degree_raw: i64,
-    },
-    Product(Vec<SymbolicCostEqPattern>),
-    Sum(Vec<SymbolicCostEqPattern>),
-    Unknown(String),
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum SymbolicCostPortPattern {
-    Raw(u32),
-    ExpectedBindParam,
-}
-
-fn symbolic_cost_to_eq_pattern(cost: &SymbolicCost) -> SymbolicCostEqPattern {
-    match cost {
-        SymbolicCost::ConstantCost { _0 } => SymbolicCostEqPattern::Constant(*_0),
-        SymbolicCost::LinearCost { _0: sv } => SymbolicCostEqPattern::Linear {
-            source_port: SymbolicCostPortPattern::Raw(sv.source_port.raw()),
-        },
-        SymbolicCost::LogCost { _0: sv } => SymbolicCostEqPattern::Log {
-            source_port: SymbolicCostPortPattern::Raw(sv.source_port.raw()),
-        },
-        SymbolicCost::PolynomialCost { var, degree } => SymbolicCostEqPattern::Polynomial {
-            source_port: SymbolicCostPortPattern::Raw(var.source_port.raw()),
-            degree_raw: degree.raw(),
-        },
-        SymbolicCost::ProductCost { _0: list } => SymbolicCostEqPattern::Product(
-            list.iter()
-                .map(|boxed| symbolic_cost_to_eq_pattern(boxed.as_ref()))
-                .collect(),
-        ),
-        SymbolicCost::SumCost { _0: list } => SymbolicCostEqPattern::Sum(
-            list.iter()
-                .map(|boxed| symbolic_cost_to_eq_pattern(boxed.as_ref()))
-                .collect(),
-        ),
-        SymbolicCost::UnknownCost { _0: s } => SymbolicCostEqPattern::Unknown(s.clone()),
-    }
-}
-
-fn resolve_symbolic_cost_param_refs_for_bind(
-    pattern: SymbolicCostEqPattern,
-    bind: &crate::dag::BindNode,
-    expected_param_index: Option<usize>,
-) -> Result<SymbolicCostEqPattern, String> {
-    fn resolve(
-        port: SymbolicCostPortPattern,
-        bind: &crate::dag::BindNode,
-        expected_param_index: Option<usize>,
-    ) -> Result<SymbolicCostPortPattern, String> {
-        match port {
-            SymbolicCostPortPattern::Raw(raw) => Ok(SymbolicCostPortPattern::Raw(raw)),
-            SymbolicCostPortPattern::ExpectedBindParam => {
-                let Some(param_index) = expected_param_index else {
-                    return Err(
-                        "SymbolicCostExprEquals: expected SymbolicCost contains an unresolved \
-                         SizeVariable.source_port; use SymbolicCostExprEqualsForBindParam to \
-                         provide the selected bind parameter"
-                            .to_string(),
-                    );
-                };
-                let port = bind_param_port_by_index(bind, param_index)?;
-                Ok(SymbolicCostPortPattern::Raw(port.raw()))
-            }
-        }
-    }
-    Ok(match pattern {
-        SymbolicCostEqPattern::Linear { source_port } => SymbolicCostEqPattern::Linear {
-            source_port: resolve(source_port, bind, expected_param_index)?,
-        },
-        SymbolicCostEqPattern::Log { source_port } => SymbolicCostEqPattern::Log {
-            source_port: resolve(source_port, bind, expected_param_index)?,
-        },
-        SymbolicCostEqPattern::Polynomial {
-            source_port,
-            degree_raw,
-        } => SymbolicCostEqPattern::Polynomial {
-            source_port: resolve(source_port, bind, expected_param_index)?,
-            degree_raw,
-        },
-        SymbolicCostEqPattern::Product(terms) => SymbolicCostEqPattern::Product(
-            terms
-                .into_iter()
-                .map(|term| {
-                    resolve_symbolic_cost_param_refs_for_bind(term, bind, expected_param_index)
-                })
-                .collect::<Result<Vec<_>, _>>()?,
-        ),
-        SymbolicCostEqPattern::Sum(terms) => SymbolicCostEqPattern::Sum(
-            terms
-                .into_iter()
-                .map(|term| {
-                    resolve_symbolic_cost_param_refs_for_bind(term, bind, expected_param_index)
-                })
-                .collect::<Result<Vec<_>, _>>()?,
-        ),
-        other => other,
-    })
-}
-
-fn bind_param_port_by_index(
-    bind: &crate::dag::BindNode,
-    param_index: usize,
-) -> Result<PortId, String> {
-    bind.params.get(param_index).copied().ok_or_else(|| {
-        format!(
-            "SymbolicCostExprEqualsForBindParam: function bind `{}` has no lowered parameter port \
-             at index {param_index}; parameter count is {}",
-            bind.name,
-            bind.params.len()
-        )
-    })
-}
-
-fn symbolic_cost_variant_label_for_constructor(dag: &Dag, ctor: DeclarationId) -> Option<String> {
-    let symbolic_cost = dag.declaration_by_name("SymbolicCost")?;
-    let TypeConnective::Disj { variants } = &symbolic_cost.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.ty == ctor)
-        .map(|v| v.label.clone())
-}
-
-fn field_value_to_symbolic_cost_eq_pattern(
-    dag: &Dag,
-    fv: &FieldValue,
-) -> Result<SymbolicCostEqPattern, String> {
-    match fv {
-        FieldValue::Variant {
-            constructor,
-            payload,
-        } => {
-            let label_owned = match dag.declaration(*constructor).name.clone() {
-                Some(name) => name,
-                None => symbolic_cost_variant_label_for_constructor(dag, *constructor).ok_or_else(
-                    || {
-                        format!(
-                            "SymbolicCostExprEquals: anonymous symbolic-cost variant constructor {:?} \
-                             is not a SymbolicCost variant payload declaration id",
-                            constructor
-                        )
-                    },
-                )?,
-            };
-            let label = label_owned.as_str();
-            match label {
-                "ConstantCost" => {
-                    let n = one_int_payload(payload)?;
-                    Ok(SymbolicCostEqPattern::Constant(n))
-                }
-                "LinearCost" => {
-                    let inner = single_payload(payload)?;
-                    let source_port =
-                        parse_size_variable_source_port_for_symbolic_cost_eq(dag, inner)?;
-                    Ok(SymbolicCostEqPattern::Linear {
-                        source_port,
-                    })
-                }
-                "LogCost" => {
-                    let inner = single_payload(payload)?;
-                    let source_port =
-                        parse_size_variable_source_port_for_symbolic_cost_eq(dag, inner)?;
-                    Ok(SymbolicCostEqPattern::Log {
-                        source_port,
-                    })
-                }
-                "PolynomialCost" => {
-                    let record = single_payload(payload)?;
-                    let fields = record_fields(record).ok_or_else(|| {
-                        format!(
-                            "SymbolicCostExprEquals: PolynomialCost payload must be a record, got {:?}",
-                            record
-                        )
-                    })?;
-                    let var = field(fields, "var").ok_or_else(|| {
-                        "SymbolicCostExprEquals: PolynomialCost missing `var` field".to_string()
-                    })?;
-                    let degree = field(fields, "degree").ok_or_else(|| {
-                        "SymbolicCostExprEquals: PolynomialCost missing `degree` field".to_string()
-                    })?;
-                    let source_port =
-                        parse_size_variable_source_port_for_symbolic_cost_eq(dag, var)?;
-                    let degree_raw = degree_raw_from_degree_at_least_two_field_value(dag, degree)?;
-                    Ok(SymbolicCostEqPattern::Polynomial {
-                        source_port,
-                        degree_raw,
-                    })
-                }
-                "ProductCost" => {
-                    let inner = single_payload(payload)?;
-                    Ok(SymbolicCostEqPattern::Product(
-                        parse_non_singleton_symbolic_cost_patterns(dag, inner)?,
-                    ))
-                }
-                "SumCost" => {
-                    let inner = single_payload(payload)?;
-                    Ok(SymbolicCostEqPattern::Sum(
-                        parse_non_singleton_symbolic_cost_patterns(dag, inner)?,
-                    ))
-                }
-                "UnknownCost" => {
-                    let s = one_string_payload(payload)?;
-                    Ok(SymbolicCostEqPattern::Unknown(s))
-                }
-                other => Err(format!(
-                    "SymbolicCostExprEquals: decoding `{other}` from expected SymbolicCost is not supported"
-                )),
-            }
-        }
-        other => Err(format!(
-            "SymbolicCostExprEquals: expected value must lower to a SymbolicCost variant; got {:?}",
-            other
-        )),
-    }
-}
-
-fn field_value_to_symbolic_cost_bind_param_expected_pattern(
-    dag: &Dag,
-    fv: &FieldValue,
-) -> Result<SymbolicCostEqPattern, String> {
-    if let FieldValue::Record(fields) = fv {
-        if fields.len() == 1 && fields[0].0 == "_" {
-            return field_value_to_symbolic_cost_bind_param_expected_pattern(dag, &fields[0].1);
-        }
-    }
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = fv
-    else {
-        return Err(format!(
-            "SymbolicCostExprEqualsForBindParam: expected value must lower to a \
-             SymbolicCostBindParamExpected variant, got {fv:?}"
-        ));
-    };
-    let label_owned =
-        symbolic_cost_bind_param_expected_variant_label_for_constructor(dag, *constructor)
-            .ok_or_else(|| {
-                format!(
-                    "SymbolicCostExprEqualsForBindParam: constructor {constructor:?} is not a \
-             SymbolicCostBindParamExpected variant"
-                )
-            })?;
-    match label_owned.as_str() {
-        "LinearCostForBindParam" => {
-            parse_bind_param_size_variable_expected(
-                dag,
-                peel_single_underscore_record(single_payload(payload)?),
-            )?;
-            Ok(SymbolicCostEqPattern::Linear {
-                source_port: SymbolicCostPortPattern::ExpectedBindParam,
-            })
-        }
-        other => Err(format!(
-            "SymbolicCostExprEqualsForBindParam: unsupported expected variant `{other}`"
-        )),
-    }
-}
-
-fn peel_single_underscore_record(fv: &FieldValue) -> &FieldValue {
-    match fv {
-        FieldValue::Record(fields) if fields.len() == 1 && fields[0].0 == "_" => &fields[0].1,
-        other => other,
-    }
-}
-
-fn symbolic_cost_bind_param_expected_variant_label_for_constructor(
-    dag: &Dag,
-    ctor: DeclarationId,
-) -> Option<String> {
-    let expected = dag.declaration_by_name("SymbolicCostBindParamExpected")?;
-    let TypeConnective::Disj { variants } = &expected.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.ty == ctor)
-        .map(|v| v.label.clone())
-}
-
-fn parse_bind_param_size_variable_expected(dag: &Dag, fv: &FieldValue) -> Result<(), String> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = fv
-    else {
-        return Err(format!(
-            "SymbolicCostExprEqualsForBindParam: BindParamSizeVariable expected selected-bind-param \
-             variant, got {fv:?}"
-        ));
-    };
-    if !payload.is_empty() {
-        return Err(format!(
-            "SymbolicCostExprEqualsForBindParam: SelectedBindParamSizeVariable takes no payload, \
-             got {} slot(s)",
-            payload.len()
-        ));
-    }
-    let Some(label) = bind_param_size_variable_variant_label_for_constructor(dag, *constructor)
-    else {
-        return Err(format!(
-            "SymbolicCostExprEqualsForBindParam: constructor {constructor:?} is not a \
-             BindParamSizeVariable variant"
-        ));
-    };
-    if label != "SelectedBindParamSizeVariable" {
-        return Err(format!(
-            "SymbolicCostExprEqualsForBindParam: unsupported BindParamSizeVariable variant `{label}`"
-        ));
-    }
-    Ok(())
-}
-
-fn bind_param_size_variable_variant_label_for_constructor(
-    dag: &Dag,
-    ctor: DeclarationId,
-) -> Option<String> {
-    let expected = dag.declaration_by_name("BindParamSizeVariable")?;
-    let TypeConnective::Disj { variants } = &expected.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|v| v.ty == ctor)
-        .map(|v| v.label.clone())
-}
-
-fn single_payload(payload: &[FieldValue]) -> Result<&FieldValue, String> {
-    match payload {
-        [one] => Ok(one),
-        _ => Err(format!(
-            "SymbolicCostExprEquals: expected a single payload field, got {} slot(s)",
-            payload.len()
-        )),
-    }
-}
-
-fn one_int_payload(payload: &[FieldValue]) -> Result<i64, String> {
-    match single_payload(payload)? {
-        FieldValue::Literal(LiteralBits::Int(s)) => s.parse::<i64>().map_err(|_| {
-            "SymbolicCostExprEquals: Int literal payload is not a valid i64".to_string()
-        }),
-        other => Err(format!(
-            "SymbolicCostExprEquals: expected Int literal payload, got {:?}",
-            other
-        )),
-    }
-}
-
-fn one_string_payload(payload: &[FieldValue]) -> Result<String, String> {
-    match single_payload(payload)? {
-        FieldValue::Literal(LiteralBits::String(s)) => Ok(s.clone()),
-        other => Err(format!(
-            "SymbolicCostExprEquals: expected String literal payload, got {:?}",
-            other
-        )),
-    }
-}
-
-fn bind_param_ref_index(fv: &FieldValue) -> Result<usize, String> {
-    let FieldValue::Record(fields) = fv else {
-        return Err(format!(
-            "SymbolicCostExprEqualsForBindParam: param must be a BindParamRef record, got {fv:?}"
-        ));
-    };
-    if fields.len() != 1 {
-        return Err(format!(
-            "SymbolicCostExprEqualsForBindParam: BindParamRef only supports `index`, got {fields:?}"
-        ));
-    }
-    let index = field(fields, "index").ok_or_else(|| {
-        "SymbolicCostExprEqualsForBindParam: BindParamRef missing `index`".to_string()
-    })?;
-    match index {
-        FieldValue::Literal(LiteralBits::Int(s)) => {
-            let n = s.parse::<i64>().map_err(|_| {
-                format!(
-                    "SymbolicCostExprEqualsForBindParam: BindParamRef index is not a valid \
-                     integer: {s:?}"
-                )
-            })?;
-            usize::try_from(n).map_err(|_| {
-                format!(
-                    "SymbolicCostExprEqualsForBindParam: BindParamRef index must be non-negative, \
-                     got {n}"
-                )
-            })
-        }
-        other => Err(format!(
-            "SymbolicCostExprEqualsForBindParam: BindParamRef index must be an Int literal, got \
-             {other:?}"
-        )),
-    }
-}
-
-fn port_id_raw_field_value(fv: &FieldValue) -> Result<u32, String> {
-    match fv {
-        FieldValue::Literal(LiteralBits::Int(s)) => {
-            let n = s.parse::<i64>().map_err(|_| {
-                format!("SymbolicCostExprEquals: PortId literal not a valid integer: {s:?}")
-            })?;
-            if n < 0 {
-                return Err(format!(
-                    "SymbolicCostExprEquals: PortId raw must be non-negative, got {n}"
-                ));
-            }
-            u32::try_from(n)
-                .map_err(|_| format!("SymbolicCostExprEquals: PortId raw out of u32 range: {n}"))
-        }
-        other => Err(format!(
-            "SymbolicCostExprEquals: PortId field must be Int literal, got {other:?}"
-        )),
-    }
-}
-
-/// Decode `source_port` from a structural [`SizeVariable`] record; validate optional `display_name`
-/// payload shape (same authority as [`optional_string_field_for_record`]) without using it in
-/// equality — identity follows `algebra.dag` / [`SizeVariable`]'s `PartialEq`.
-fn parse_size_variable_source_port_for_symbolic_cost_eq(
-    dag: &Dag,
-    fv: &FieldValue,
-) -> Result<SymbolicCostPortPattern, String> {
-    let fields = record_fields(fv).ok_or_else(|| {
-        format!(
-            "SymbolicCostExprEquals: SizeVariable value must be a record, got {:?}",
-            fv
-        )
-    })?;
-    let _ = optional_string_field_for_record(dag, fields, "display_name")?;
-    let Some(source_port_fv) = field(fields, "source_port") else {
-        return Ok(SymbolicCostPortPattern::ExpectedBindParam);
-    };
-    Ok(SymbolicCostPortPattern::Raw(port_id_raw_field_value(
-        source_port_fv,
-    )?))
-}
-
-fn optional_string_field_for_record(
-    dag: &Dag,
-    fields: &[(String, FieldValue)],
-    key: &str,
-) -> Result<Option<String>, String> {
-    let Some((_, fv)) = fields.iter().find(|(k, _)| k == key) else {
-        return Ok(None);
-    };
-    match fv {
-        FieldValue::Literal(LiteralBits::String(s)) => Ok(Some(s.clone())),
-        FieldValue::Variant {
-            constructor,
-            payload,
-        } => {
-            let ctor_name = dag.declaration(*constructor).name.as_deref().unwrap_or("");
-            match payload.as_slice() {
-                [] => {
-                    if is_display_name_optional_absent_constructor(dag, *constructor) {
-                        Ok(None)
-                    } else {
-                        Err(format!(
-                            "SymbolicCostExprEquals: optional string field `{key}`: zero-payload variant \
-                             is not the canonical absent optional encoding (constructor={ctor_name:?})"
-                        ))
-                    }
-                }
-                [FieldValue::Literal(LiteralBits::String(s))] => Ok(Some(s.clone())),
-                _ => {
-                    if ctor_name == "Some" {
-                        let inner = single_payload(payload)?;
-                        match inner {
-                            FieldValue::Literal(LiteralBits::String(s)) => Ok(Some(s.clone())),
-                            other => Err(format!(
-                                "SymbolicCostExprEquals: optional string Some(...) expected String, got {:?}",
-                                other
-                            )),
-                        }
-                    } else {
-                        Err(format!(
-                            "SymbolicCostExprEquals: optional string field `{key}`: unsupported optional \
-                             shape (constructor={ctor_name:?}, payload_len={})",
-                            payload.len()
-                        ))
-                    }
-                }
-            }
-        }
-        other => Err(format!(
-            "SymbolicCostExprEquals: optional string field `{key}`: unsupported shape {:?}",
-            other
-        )),
-    }
-}
-
-/// Peel transparent wrappers so [`size_variable_display_name_optional_none_constructor_id`] reaches
-/// the underlying optional coproduct when present (Practice 1 / fail-closed decode).
-fn peel_layer_for_optional_display_name_field_type(
-    mut ty: DeclarationId,
-    dag: &Dag,
-) -> DeclarationId {
-    for _ in 0..32 {
-        let decl = dag.declaration(ty);
-        match &decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                ty = *template;
-            }
-            TypeConnective::Atom(
-                AtomPayload::ResolvedByStructure(next) | AtomPayload::ResolvedByName(next),
-            ) => {
-                ty = *next;
-            }
-            _ => break,
-        }
-    }
-    ty
-}
-
-/// Optional-`None` constructor id for `SizeVariable.display_name` when the substrate models `String?`
-/// as an explicit coproduct (algebra.dag `display_name: String?`).
-fn size_variable_display_name_optional_none_constructor_id(dag: &Dag) -> Option<DeclarationId> {
-    let sv = dag.declaration_by_name("SizeVariable")?;
-    let TypeConnective::Conj { children } = &sv.connective else {
-        return None;
-    };
-    let display_ty = children.iter().find(|f| f.label == "display_name")?.ty;
-    let ty = peel_layer_for_optional_display_name_field_type(display_ty, dag);
-    let decl = dag.declaration(ty);
-    match &decl.connective {
-        TypeConnective::Disj { variants } => {
-            variants.iter().find(|v| v.label == "None").map(|v| v.ty)
-        }
-        _ => None,
-    }
-}
-
-fn is_display_name_optional_absent_constructor(dag: &Dag, ctor: DeclarationId) -> bool {
-    if dag.declaration(ctor).name.as_deref() == Some("None") {
-        return true;
-    }
-    size_variable_display_name_optional_none_constructor_id(dag) == Some(ctor)
-}
-
-fn degree_raw_from_degree_at_least_two_field_value(
-    dag: &Dag,
-    fv: &FieldValue,
-) -> Result<i64, String> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = fv
-    else {
-        return Err(format!(
-            "SymbolicCostExprEquals: DegreeAtLeastTwo must be a variant, got {:?}",
-            fv
-        ));
-    };
-    let label = dag
-        .declaration(*constructor)
-        .name
-        .as_deref()
-        .ok_or_else(|| {
-            "SymbolicCostExprEquals: anonymous DegreeAtLeastTwo constructor".to_string()
-        })?;
-    match label {
-        "DegreeTwo" => Ok(2),
-        "DegreeSuccessor" => {
-            let record = single_payload(payload)?;
-            let fields = record_fields(record).ok_or_else(|| {
-                format!(
-                    "SymbolicCostExprEquals: DegreeSuccessor payload must be a record, got {:?}",
-                    record
-                )
-            })?;
-            let prev = field(fields, "previous").ok_or_else(|| {
-                "SymbolicCostExprEquals: DegreeSuccessor missing `previous`".to_string()
-            })?;
-            let prev_raw = degree_raw_from_degree_at_least_two_field_value(dag, prev)?;
-            Ok(prev_raw + 1)
-        }
-        other => Err(format!(
-            "SymbolicCostExprEquals: unknown DegreeAtLeastTwo variant `{other}`"
-        )),
-    }
-}
-
-fn parse_non_singleton_symbolic_cost_patterns(
-    dag: &Dag,
-    fv: &FieldValue,
-) -> Result<Vec<SymbolicCostEqPattern>, String> {
-    let fields = record_fields(fv).ok_or_else(|| {
-        format!(
-            "SymbolicCostExprEquals: NonSingletonList<SymbolicCost> must be a record, got {:?}",
-            fv
-        )
-    })?;
-    let first = field(fields, "first")
-        .ok_or_else(|| "SymbolicCostExprEquals: NonSingletonList missing `first`".to_string())?;
-    let second = field(fields, "second")
-        .ok_or_else(|| "SymbolicCostExprEquals: NonSingletonList missing `second`".to_string())?;
-    let rest = field(fields, "rest")
-        .ok_or_else(|| "SymbolicCostExprEquals: NonSingletonList missing `rest`".to_string())?;
-    let mut out = vec![
-        field_value_to_symbolic_cost_eq_pattern(dag, first)?,
-        field_value_to_symbolic_cost_eq_pattern(dag, second)?,
-    ];
-    match rest {
-        FieldValue::List(items) => {
-            for item in items {
-                out.push(field_value_to_symbolic_cost_eq_pattern(dag, item)?);
-            }
-        }
-        other => {
-            return Err(format!(
-                "SymbolicCostExprEquals: NonSingletonList `rest` must be a List, got {:?}",
-                other
-            ));
-        }
-    }
-    Ok(out)
-}
-
-fn tc1_eta_equivalence_symbolic_cost_reports_equivalent(
-    left: DimensionReport<SymbolicCost>,
-    right: DimensionReport<SymbolicCost>,
-) -> ClaimResult {
-    // Compare workflow-root `composed` only (see `try_eval_tc1_eta_equivalence_executable` rustdoc).
-    // Full `DimensionReport` equality is intentionally out of scope for this Path A proxy — carrier-
-    // aligned report equality is gunbc#1972.
-    match (&left, &right) {
-        (
-            DimensionReport::DimensionOk { composed: lc, .. },
-            DimensionReport::DimensionOk { composed: rc, .. },
-        ) if lc == rc => ClaimResult::Pass,
-        (
-            DimensionReport::DimensionOk { composed: lc, .. },
-            DimensionReport::DimensionOk { composed: rc, .. },
-        ) => ClaimResult::Fail(format!(
-            "tc1_eta_equivalence_executable: η-pair symbolic-cost dimension reports disagree \
-             at composed carrier: left={lc:?} right={rc:?}"
-        )),
-        _ => ClaimResult::Fail(format!(
-            "tc1_eta_equivalence_executable: expected both η-pair symbolic-cost analyses to reach \
-             DimensionOk with identical composed `SymbolicCost`; left={left:?} right={right:?}"
-        )),
-    }
-}
-
-fn find_bind<'a>(
-    dag: &'a Dag,
-    bind_name: &str,
-    claim_file_name: &str,
-) -> Option<&'a crate::dag::BindNode> {
-    dag.nodes().iter().find_map(|node| match node {
-        Behavior::Bind(bind) if bind.name == bind_name && bind.span.file == claim_file_name => {
-            Some(bind)
-        }
-        _ => None,
-    })
-}
-
-fn expected_int_literal(
-    expected_decl: &Declaration,
-    expected_name: &str,
-    lens_name: &str,
-) -> Result<i64, ClaimResult> {
-    match expected_decl.value_body.as_ref() {
-        Some(ValueBody::Scalar(LiteralBits::Int(s))) => s.parse::<i64>().map_err(|_| {
-            ClaimResult::Fail(format!(
-                "LensOutputEquals({lens_name}): expected Int literal is not a valid i64 decimal for `{expected_name}`"
-            ))
-        }),
-        _ => Err(ClaimResult::Fail(format!(
-            "LensOutputEquals({lens_name}): expected_ref `{expected_name}` must be `data ...: Int = <literal>`"
-        ))),
-    }
-}
-
-fn diagnostic_matches_reference(
-    diagnostic: &Diagnostic,
-    reference: &(String, DiagnosticDetailFilter),
-) -> bool {
-    diagnostic.layer1_kind_label() == reference.0
-        && match &reference.1 {
-            DiagnosticDetailFilter::Any => true,
-            DiagnosticDetailFilter::Contains(text) => diagnostic.message().contains(text),
-        }
-}
-
-fn sg0_census_list_count(list_constant_name: &str) -> Result<i64, String> {
-    Ok(sg0_census_list_entries(list_constant_name)?.len() as i64)
-}
-
-fn sg0_census_list_entries(list_constant_name: &str) -> Result<Vec<String>, String> {
-    let constant = match list_constant_name {
-        "expected_hand_authored_non_test" => "EXPECTED_HAND_AUTHORED_NON_TEST",
-        "expected_hand_authored_test" => "EXPECTED_HAND_AUTHORED_TEST",
-        "expected_hand_authored_fragments" => "EXPECTED_HAND_AUTHORED_FRAGMENTS",
-        other => return Err(format!("unknown SG-0 census list constant `{other}`")),
-    };
-    sg0_string_slice_constant_entries(constant)
-}
-
-fn sg0_string_slice_constant_entries(constant: &str) -> Result<Vec<String>, String> {
-    let marker = format!("const {constant}: &[&str] = &[");
-    let start = SG0_CENSUS_SOURCE
-        .find(&marker)
-        .ok_or_else(|| format!("SG-0 census source is missing `{constant}`"))?
-        + marker.len();
-    let rest = &SG0_CENSUS_SOURCE[start..];
-    let end = rest
-        .find("\n];")
-        .ok_or_else(|| format!("SG-0 census source has unterminated `{constant}`"))?;
-    Ok(rest[..end]
-        .lines()
-        .filter_map(sg0_quoted_path_from_line)
-        .collect())
-}
-
-fn sg0_quoted_path_from_line(line: &str) -> Option<String> {
-    let trimmed = line.trim();
-    if trimmed.starts_with("//") {
-        return None;
-    }
-    let start = trimmed.find('"')? + 1;
-    let end = trimmed[start..].find('"')? + start;
-    Some(trimmed[start..end].to_string())
-}
-
-/// Hand-Rust surfaces counted by T-PB-A `lens_producer_files_remaining` (`CensusSubsetCount`).
-///
-/// `lens_apply.rs` → `lens_declaration_apply.rs` is a **path** retirement only; the bounded
-/// lens host remains a lens-producer residual until PB-Runtime owns application/reflection
-/// (Row-4 / §7.1). Omitting this path would falsely show census “progress” after a rename.
-///
-/// **R3 gate #7 (`regen_lens_dot_rs_retired`) is not lens-producer dissolution:** retiring
-/// `src/bin/regen_lens.rs` relocates the Cargo `[[bin]]` entry to `regen_lens_entry.rs` and
-/// moves producer logic to `regen_lens_driver.rs`. Both remain hand-authored regen-lens
-/// producer surfaces until PB-1 emits the bin from `.dag` / PB-Runtime owns the pipeline — so
-/// they stay in this subset; shrinking the predicate after a path move would falsely claim
-/// census progress without dissolving the producer.
-fn is_lens_producer_census_path(path: &str) -> bool {
-    matches!(
-        path,
-        "src/v3/compiler/src/lens_declaration_apply.rs"
-            | "src/v3/compiler/src/regen_lens_driver.rs"
-            | "src/v3/compiler/src/regen_lens_entry.rs"
-    )
-}
-
-fn is_bin_shim_census_path(path: &str) -> bool {
-    path.starts_with("src/v3/compiler/src/bin/")
-}
-
-fn compiler_std_positive_set_ratchet_count() -> i64 {
-    [
-        "TemplateArgumentsMatch",
-        "TemplateArgumentCursor",
-        "NormalizedInstantiationArgs",
-    ]
-    .iter()
-    .filter(|name| INFER_HELPERS_SOURCE.contains(&format!("type {name}")))
-    .count() as i64
-}
-
-fn render_value_body(dag: &Dag, value: &ValueBody) -> String {
-    match value {
-        ValueBody::Scalar(bits) => render_literal(bits),
-        ValueBody::Structural { fields } => render_record(dag, fields),
-        ValueBody::List(values) => format!(
-            "[{}]",
-            values
-                .iter()
-                .map(|value| render_field_value(dag, value))
-                .collect::<Vec<_>>()
-                .join(", ")
-        ),
-        ValueBody::Map(entries) => render_map(dag, entries.entries()),
-        ValueBody::Unparsed(span) => format!("<unparsed:{}:{}>", span.file, span.byte_start),
-    }
-}
-
-fn render_field_value(dag: &Dag, value: &FieldValue) -> String {
-    match value {
-        FieldValue::Literal(bits) => render_literal(bits),
-        FieldValue::Reference(decl_id) => dag
-            .declaration(*decl_id)
-            .name
-            .clone()
-            .unwrap_or_else(|| format!("Declaration#{}", decl_id.raw())),
-        FieldValue::Record(fields) => render_record(dag, fields),
-        FieldValue::List(values) => format!(
-            "[{}]",
-            values
-                .iter()
-                .map(|value| render_field_value(dag, value))
-                .collect::<Vec<_>>()
-                .join(", ")
-        ),
-        FieldValue::Map(entries) => render_map(dag, entries.entries()),
-        FieldValue::Variant {
-            constructor,
-            payload,
-        } => {
-            let label = variant_label(dag, *constructor)
-                .unwrap_or_else(|| format!("Variant#{}", constructor.raw()));
-            if payload.is_empty() {
-                label
-            } else {
-                format!(
-                    "{}({})",
-                    label,
-                    payload
-                        .iter()
-                        .map(|value| render_field_value(dag, value))
-                        .collect::<Vec<_>>()
-                        .join(", ")
-                )
-            }
-        }
-    }
-}
-
-fn render_record(dag: &Dag, fields: &[(String, FieldValue)]) -> String {
-    format!(
-        "{{ {} }}",
-        fields
-            .iter()
-            .map(|(label, value)| format!("{label}: {}", render_field_value(dag, value)))
-            .collect::<Vec<_>>()
-            .join(", ")
-    )
-}
-
-fn render_map(dag: &Dag, entries: &[(String, FieldValue)]) -> String {
-    format!(
-        "{{ {} }}",
-        entries
-            .iter()
-            .map(|(key, value)| format!("{key:?}: {}", render_field_value(dag, value)))
-            .collect::<Vec<_>>()
-            .join(", ")
-    )
-}
-
-fn render_literal(bits: &LiteralBits) -> String {
-    match bits {
-        LiteralBits::Int(value) => value.to_string(),
-        LiteralBits::Bool(value) => value.to_string(),
-        LiteralBits::String(value) | LiteralBits::Symbol(value) => quote_string(value),
-    }
-}
-
-fn quote_string(value: &str) -> String {
-    format!("\"{}\"", value.replace('\\', "\\\\").replace('"', "\\\""))
-}
-
-fn variant_label(dag: &Dag, variant_id: DeclarationId) -> Option<String> {
-    dag.declarations()
-        .iter()
-        .find_map(|decl| match &decl.connective {
-            TypeConnective::Disj { variants } => variants
-                .iter()
-                .find(|variant| variant.ty == variant_id)
-                .map(|variant| variant.label.clone()),
-            _ => None,
-        })
-}
-
-fn perf_budget_comparator_label(dag: &Dag, value: &FieldValue) -> Option<String> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    if !payload.is_empty() {
-        return None;
-    }
-    let comparator_decl = dag.declaration_by_name("PerfBudgetComparisonOp")?;
-    let TypeConnective::Disj { variants } = &comparator_decl.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == *constructor)
-        .map(|variant| variant.label.clone())
-}
-
-fn algebraic_law_payload_fields(
-    payload: &[FieldValue],
-) -> Result<(&FieldValue, &FieldValue), AlgebraicLawProgramError> {
-    match payload {
-        [law, lens_ref] => Ok((law, lens_ref)),
-        [FieldValue::Record(fields)] => {
-            let law = field(fields, "law").ok_or_else(|| {
-                AlgebraicLawProgramError::MalformedPayload(
-                    "AlgebraicLaw payload record is missing `law` field".to_string(),
-                )
-            })?;
-            let lens_ref = field(fields, "lens_ref").ok_or_else(|| {
-                AlgebraicLawProgramError::MalformedPayload(
-                    "AlgebraicLaw payload record is missing `lens_ref` field".to_string(),
-                )
-            })?;
-            Ok((law, lens_ref))
-        }
-        _ => Err(AlgebraicLawProgramError::MalformedPayload(format!(
-            "AlgebraicLaw payload should be [law, lens_ref] or a record, got len {}",
-            payload.len()
-        ))),
-    }
-}
-
-fn variant_fields<'a>(
-    dag: &Dag,
-    value: &'a FieldValue,
-) -> Result<(String, &'a [FieldValue]), AlgebraicLawProgramError> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(AlgebraicLawProgramError::MalformedPayload(
-            "expected AlgebraicLawKind variant".to_string(),
-        ));
-    };
-    let label = variant_label(dag, *constructor).ok_or_else(|| {
-        AlgebraicLawProgramError::MalformedPayload(format!(
-            "variant constructor {:?} not found under any sum",
-            constructor
-        ))
-    })?;
-    Ok((label, payload.as_slice()))
-}
-
-fn declaration_ref_name(dag: &Dag, value: &FieldValue) -> Result<String, AlgebraicLawProgramError> {
-    match value {
-        FieldValue::Reference(id) => dag.declaration(*id).name.clone().ok_or_else(|| {
-            AlgebraicLawProgramError::MalformedPayload(format!(
-                "lens_ref declaration {:?} is anonymous",
-                id
-            ))
-        }),
-        other => Err(AlgebraicLawProgramError::MalformedPayload(format!(
-            "lens_ref should be a DeclarationRef (FieldValue::Reference), got {other:?}"
-        ))),
-    }
-}
-
-#[cfg(test)]
-mod execute_command_timebound_tests {
-    use super::evaluate_execute_command_exit_code;
-    use super::evaluate_execute_command_exit_code_with_wall_time;
-    use super::evaluate_execute_command_m1_5;
-    use super::shell_dash_c_may_start_background_after_eliding_artifacts;
-    use super::ClaimResult;
-    use super::ExecuteCommandM1_5Proposition;
-    use std::time::Duration;
-
-    #[test]
-    fn elision_allows_and_chain_and_fd_redirects_without_fabricating_bare_ampersand() {
-        let sh = Some("sh");
-        assert!(!shell_dash_c_may_start_background_after_eliding_artifacts(
-            "true && true",
-            sh,
-        ));
-        assert!(!shell_dash_c_may_start_background_after_eliding_artifacts(
-            "true 2>&1",
-            sh,
-        ));
-        assert!(!shell_dash_c_may_start_background_after_eliding_artifacts(
-            "cmd 3>&4", sh,
-        ));
-    }
-
-    #[test]
-    fn elision_still_fails_on_shell_background() {
-        assert!(shell_dash_c_may_start_background_after_eliding_artifacts(
-            "sleep 600 &",
-            Some("sh"),
-        ));
-    }
-
-    /// On POSIX `sh`/`dash`, `&>` is not a single redirect token; eliding it as bash would
-    /// false-negative the background guard (openai-pro gpt-5-5-pro, PR #792).
-    #[test]
-    fn posix_sh_ampersand_gt_form_fails_closed_in_elision_helper() {
-        assert!(shell_dash_c_may_start_background_after_eliding_artifacts(
-            "sleep 600 &> /tmp/gunbc_posix_ampgt",
-            Some("sh"),
-        ));
-        assert!(shell_dash_c_may_start_background_after_eliding_artifacts(
-            "sleep 600 &> /tmp/gunbc_posix_ampgt",
-            Some("dash"),
-        ));
-    }
-
-    #[test]
-    fn bash_ampersand_gt_redir_is_elided_not_treated_as_background() {
-        assert!(!shell_dash_c_may_start_background_after_eliding_artifacts(
-            "true &> /dev/null",
-            Some("bash"),
-        ));
-    }
-
-    #[test]
-    fn unknown_shell_interpreter_ampersand_gt_fails_closed() {
-        assert!(shell_dash_c_may_start_background_after_eliding_artifacts(
-            "true &> /dev/null",
-            None,
-        ));
-    }
-
-    #[test]
-    fn sh_dash_c_background_ampersand_is_rejected() {
-        let r = evaluate_execute_command_exit_code(
-            "sh",
-            &[String::from("-c"), String::from("sleep 600 &")],
-            0,
-        );
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for shell background, got {r:?}");
-        };
-        assert!(
-            m.contains("background")
-                || m.contains("P3")
-                || m.contains("descendants")
-                || m.contains("shell `-c`"),
-            "expected policy message, got: {m}"
-        );
-    }
-
-    /// POSIX: `sleep 600 &> file` is `&` (background) + `>`, not bash `&>`; must not bypass the
-    /// guard (openai-pro gpt-5-5-pro, PR #792).
-    #[test]
-    fn sh_dash_c_posix_ampersand_gt_token_rejected() {
-        use super::reject_unbounded_shell_background;
-        let script = "sleep 600 &> /tmp/gunbc_reject_unbounded_ampgt";
-        assert!(
-            reject_unbounded_shell_background("sh", &[String::from("-c"), String::from(script),])
-                .is_some(),
-            "direct guard on reject_unbounded_shell_background"
-        );
-        let r = evaluate_execute_command_exit_code(
-            "sh",
-            &[String::from("-c"), String::from(script)],
-            0,
-        );
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for sh -c &> parse, got {r:?}");
-        };
-        assert!(
-            m.contains("background")
-                || m.contains("P3")
-                || m.contains("descendants")
-                || m.contains("shell `-c`"),
-            "expected policy message, got: {m}"
-        );
-    }
-
-    /// `env(1)` + `sh -c` tail: interpreter hint must apply to `&>` (PR #792).
-    #[test]
-    fn env_sh_dash_c_posix_ampersand_gt_rejected() {
-        let script = "sleep 600 &> /tmp/gunbc_env_ampgt";
-        let r = evaluate_execute_command_exit_code(
-            "env",
-            &[String::from("sh"), String::from("-c"), String::from(script)],
-            0,
-        );
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for env sh -c &>, got {r:?}");
-        };
-        assert!(
-            m.contains("background")
-                || m.contains("P3")
-                || m.contains("descendants")
-                || m.contains("shell `-c`"),
-            "expected policy message, got: {m}"
-        );
-    }
-
-    /// `env(1)` + `sh -c` indirection: top-level stem is not a shell; must still reject the same
-    /// background `&` (api-review 994fa40d).
-    #[test]
-    fn env_sh_dash_c_background_ampersand_is_rejected() {
-        let r = evaluate_execute_command_exit_code(
-            "env",
-            &[
-                String::from("sh"),
-                String::from("-c"),
-                String::from("sleep 600 &"),
-            ],
-            0,
-        );
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for env sh -c background, got {r:?}");
-        };
-        assert!(
-            m.contains("background") || m.contains("P3") || m.contains("shell `-c`"),
-            "expected policy message, got: {m}"
-        );
-    }
-
-    /// Combined `-ec` / `-lc` after the shell token: must not bypass the guard (api-review e99b53e7).
-    /// Also `env bash -lc` (argv tail after a non-`sh` shell stem) — same policy, pre-spawn.
-    #[test]
-    fn env_sh_dash_ec_and_dash_lc_background_ampersand_are_rejected() {
-        for (flag, label) in [("-ec", "ec"), ("-lc", "lc")] {
-            let r = evaluate_execute_command_exit_code(
-                "env",
-                &[
-                    String::from("sh"),
-                    String::from(flag),
-                    String::from("sleep 600 &"),
-                ],
-                0,
-            );
-            let ClaimResult::Fail(m) = r else {
-                panic!("expected fail-closed for env sh {label} + background, got {r:?}");
-            };
-            assert!(
-                m.contains("background")
-                    || m.contains("P3")
-                    || m.contains("descendants")
-                    || m.contains("shell `-c`"),
-                "expected policy message, got: {m}"
-            );
-        }
-    }
-
-    #[test]
-    fn env_bash_dash_lc_background_ampersand_is_rejected() {
-        let r = evaluate_execute_command_exit_code(
-            "env",
-            &[
-                String::from("bash"),
-                String::from("-lc"),
-                String::from("sleep 600 &"),
-            ],
-            0,
-        );
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for env bash -lc + background, got {r:?}");
-        };
-        assert!(m.contains("background") || m.contains("P3") || m.contains("shell `-c`"));
-    }
-
-    /// `-c` with script token `sh` and a **following** `-ec "…&"` in argv: flat `sh -ec` only looked at
-    /// the first "script" word; nested scan must see the `&` (PR #792 blocking inline, P3/P4).
-    #[test]
-    fn sh_c_sh_dash_ec_nested_background_ampersand_is_rejected() {
-        use super::shell_argv_may_start_unbounded_background;
-        let v = vec![
-            String::from("sh"),
-            String::from("-c"),
-            String::from("sh"),
-            String::from("-ec"),
-            String::from("sleep 600 &"),
-        ];
-        assert!(shell_argv_may_start_unbounded_background(&v));
-        let r = evaluate_execute_command_exit_code("sh", &v, 0);
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for sh -c sh -ec + &, got {r:?}");
-        };
-        assert!(
-            m.contains("background") || m.contains("P3") || m.contains("shell `-c`"),
-            "expected policy message, got: {m}"
-        );
-    }
-
-    #[test]
-    fn env_sh_c_sh_dash_ec_nested_background_ampersand_is_rejected() {
-        let v = vec![
-            String::from("sh"),
-            String::from("-c"),
-            String::from("sh"),
-            String::from("-ec"),
-            String::from("sleep 600 &"),
-        ];
-        let r = evaluate_execute_command_exit_code("env", &v, 0);
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for env sh -c sh -ec + &, got {r:?}");
-        };
-        assert!(m.contains("background") || m.contains("P3") || m.contains("shell `-c`"));
-    }
-
-    /// P3 / P4: the nested shell scanner is bounded; exceeding it must not mean "no `&` → allow" (api-
-    /// review codex 3a2a9f64).
-    #[test]
-    fn sh_c_nesting_past_max_scan_depth_fails_closed_without_ampersand_in_scripts() {
-        use super::reject_unbounded_shell_background;
-        use super::shell_argv_may_start_unbounded_background;
-        let mut args = vec![String::from("sh"), String::from("-c"), String::from("true")];
-        for _ in 0..40 {
-            let mut t = vec![String::from("sh"), String::from("-c")];
-            t.extend_from_slice(&args);
-            args = t;
-        }
-        assert!(
-            shell_argv_may_start_unbounded_background(&args),
-            "depth-bound exhaustion must fail closed, not allow a spawn past the policy guard"
-        );
-        let r = reject_unbounded_shell_background("sh", &args);
-        assert!(
-            r.is_some(),
-            "expected policy fail when scan depth is exhausted, got {r:?}"
-        );
-    }
-
-    /// M1.5: policy `Fail` is `Err(ClaimResult)`, not propositional `false` (P3/DB-1, PR #792).
-    #[test]
-    fn m1_5_rejects_policy_fail_as_propositional() {
-        let p = evaluate_execute_command_m1_5(
-            "sh",
-            &[String::from("-c"), String::from("sleep 600 &")],
-            0,
-        );
-        assert!(p.is_err(), "expected Err(Fail) for background &, got {p:?}");
-    }
-
-    /// M1.5: exit code mismatch is the only propositional `false` path.
-    #[test]
-    #[cfg(unix)]
-    fn m1_5_exit_mismatch_is_unsatisfied() {
-        let p =
-            evaluate_execute_command_m1_5("sh", &[String::from("-c"), String::from("exit 1")], 0);
-        assert_eq!(
-            p,
-            Ok(ExecuteCommandM1_5Proposition::UnsatisfiedExitMismatch)
-        );
-    }
-
-    /// P2(c): a missing `command` must surface as `SpawnFailed` — not `Matched` — even when the
-    /// claim expects 127 and the unshare shell path would itself naturally exit 127. The
-    /// bootstrap sentinel pipe (`s` written, `e` not written) detects "logical command not
-    /// executable" structurally (T-PB-B Worker 4 typed model).
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_expect_127_missing_command_does_not_pass_without_direct_spawn() {
-        use super::evaluate_execute_command_host_outcome;
-        use super::ExecuteCommandHostOutcome;
-        let r = evaluate_execute_command_host_outcome(
-            "definitely_not_a_real_binary_gunbc_792",
-            &[],
-            127,
-            Duration::from_secs(5),
-        );
-        // Either typed carrier is acceptable: `SpawnFailed` if unshare(1) wasn't usable here,
-        // or `SetupFailed { NamespaceSetupAndDirectSpawnFailed }` if unshare(1) ran but
-        // namespace setup failed (sentinel pipe empty) and the direct fallback also could not
-        // spawn. The contract — missing binary must NOT `Match` 127 — is satisfied by either.
-        assert!(
-            matches!(
-                r,
-                ExecuteCommandHostOutcome::SpawnFailed { .. }
-                    | ExecuteCommandHostOutcome::SetupFailed { .. }
-            ),
-            "expected SpawnFailed or SetupFailed for missing command, got {r:?}"
-        );
-    }
-
-    /// Linux: a logical command that writes a large volume to `>&2` must complete within the
-    /// wall bound. Wrapper stderr is `Stdio::null()` and the helper inherits stdio normally;
-    /// the parent never reads from any pipe attached to the child stderr, so there's no
-    /// pipe-buffer-fill stall to worry about. This test passing is the live-state receipt
-    /// that the helper-wired path correctly nulls logical stderr (no shared-channel hazard
-    /// with the wall-bound timeout). Pre-helper this same test guarded against a pipe-stall
-    /// regression on the wrapper-stderr drain path; post-helper it remains a useful
-    /// volume-sanity receipt against future plumbing changes.
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_path_drains_piped_stderr_so_huge_logical_stderr_does_not_stall() {
-        let c = 8000u32;
-        let body = format!(
-            "i=0; while [ $i -lt {c} ]; do printf 'xxxxxxxxxx'; i=$((i+1)); done >&2; exit 0"
-        );
-        let r = evaluate_execute_command_exit_code_with_wall_time(
-            "sh",
-            &[String::from("-c"), body],
-            0,
-            Duration::from_secs(2),
-        );
-        assert_eq!(
-            r,
-            ClaimResult::Pass,
-            "expected Pass when logical stderr > pipe; got {r:?}"
-        );
-    }
-
-    /// Linux receipt that the unshare PID-namespace path is **actually engaged**, not
-    /// silently bypassed via direct fallback. `unshare -f -p` makes the helper's
-    /// fork PID 1 in the new namespace; `exec` of the user command preserves PID 1. So
-    /// `sh -c '[ "$$" = "1" ]'` exits 0 *only* when the unshare path reached the user
-    /// command. If the bootstrap-sentinel pipe were broken (e.g. fd 3 closed by parent's
-    /// `exec("unshare")` due to a misplaced FD_CLOEXEC), the runner would fall back to
-    /// direct, the user sh would NOT be PID 1, and this assertion would fail.
-    /// (Regression for codex review on PR #1049, commit e072dce4.)
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_path_actually_engages_user_runs_as_pid_1_in_new_namespace() {
-        use super::evaluate_execute_command_host_outcome;
-        use super::ExecuteCommandHostOutcome;
-        // Probe: can THIS host create a user+PID namespace via the same `unshare` flags
-        // we use? If not (restricted runner / sandbox), the runner is *expected* to fall
-        // back to direct and the user sh will not be PID 1. Skip the assertion in that
-        // case — the test only asserts engagement when the host actually permits it.
-        let probe = std::process::Command::new("unshare")
-            .args(["-c", "-f", "-p", "--", "sh", "-c", "[ \"$$\" = \"1\" ]"])
-            .stdin(std::process::Stdio::null())
-            .stdout(std::process::Stdio::null())
-            .stderr(std::process::Stdio::null())
-            .status();
-        let probe_ok = matches!(probe, Ok(s) if s.success());
-        if !probe_ok {
-            // unshare PID-namespace not permitted on this host (restricted CI / sandbox);
-            // skip silently. clippy::disallowed_macros bans eprintln/println in lib crates.
-            return;
-        }
-        // Probe succeeded → unshare PID-namespace works on this host. Our runner MUST
-        // engage it, so the inner sh sees $$ == 1 and exits 0. A silent bypass (e.g. a
-        // misplaced FD_CLOEXEC closing the sentinel pipe before the bootstrap runs) would
-        // route us through the direct fallback, sh would have a normal PID, exit 1, and
-        // we'd see `Mismatch { expected: 0, actual: 1 }` here.
-        let r = evaluate_execute_command_host_outcome(
-            "sh",
-            &[String::from("-c"), String::from("[ \"$$\" = \"1\" ]")],
-            0,
-            Duration::from_secs(5),
-        );
-        assert_eq!(
-            r,
-            ExecuteCommandHostOutcome::Matched,
-            "unshare path appears silently bypassed (probe says unshare PID-namespace IS permitted on this host); expected Matched ($$ == 1 inside ns), got {r:?}"
-        );
-    }
-
-    /// **P2(c) sef-spoof structural-unreachability receipt** (api-review openai-pro/
-    /// gpt-5-5-pro sha 9fea084e; helper-binary AC per issuecomment-4331097029 on #856).
-    ///
-    /// A logical command that successfully `execvp`s and attempts to write exactly `f` to
-    /// fd 3 must NOT be misclassified as `LogicalExecFailed`. With the
-    /// `gunbc_execute_command_bootstrap` helper (#1063) wired in, the helper sets
-    /// `FD_CLOEXEC` on fd 3 immediately before `execvp(3)`; on successful exec the kernel
-    /// atomically closes fd 3 in the new image, the user's `printf f >&3` gets `EBADF`,
-    /// and the parent's sentinel reads exactly `b"se"` → `LogicalCommandExeced` → exit code
-    /// is the user's (0) → `Matched`.
-    ///
-    /// This test was `#[ignore]`d during the pure-sh era (the gap was unreachable in POSIX
-    /// sh). It is now an active load-bearing receipt that the helper's CLOEXEC-before-
-    /// `execvp` ordering actually closes the spoof window — a regression that broke the
-    /// CLOEXEC ordering would surface here as `SpawnFailed`/`LogicalExecFailed` instead of
-    /// `Matched`.
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_logical_command_writing_f_to_fd3_is_not_misclassified_after_helper_lands() {
-        use super::evaluate_execute_command_host_outcome;
-        use super::ExecuteCommandHostOutcome;
-        let probe = std::process::Command::new("unshare")
-            .args(["-c", "-f", "-p", "--", "sh", "-c", "[ \"$$\" = \"1\" ]"])
-            .stdin(std::process::Stdio::null())
-            .stdout(std::process::Stdio::null())
-            .stderr(std::process::Stdio::null())
-            .status();
-        if !matches!(probe, Ok(s) if s.success()) {
-            return;
-        }
-        let r = evaluate_execute_command_host_outcome(
-            "sh",
-            &[
-                String::from("-c"),
-                String::from("printf f >&3 2>/dev/null; exit 0"),
-            ],
-            0,
-            Duration::from_secs(5),
-        );
-        // Post-helper-binary expectation: fd 3 is closed atomically by execvp; sh's
-        // `printf f >&3` gets EBADF; sentinel = b"se"; outcome is Matched.
-        // Pre-helper-binary (current HEAD): sentinel = b"sef"; outcome is SpawnFailed —
-        // this test is #[ignore]d until that flip happens.
-        assert_eq!(
-            r,
-            ExecuteCommandHostOutcome::Matched,
-            "post-#1063: logical-child write of `f` to fd 3 must NOT misclassify as exec failure; got {r:?}"
-        );
-    }
-
-    /// **P2(d) defense-in-depth regression** (api-review openai-pro/gpt-5-5-pro sha
-    /// 7297b04a). Even after the helper binary's structural CLOEXEC closes the typical
-    /// post-`exec` write window, the classifier's `b"se*"` → `LogicalCommandExeced`
-    /// hardening must remain in place — a future helper bug that broke CLOEXEC ordering
-    /// would let the user write stray bytes to fd 3, and we still must NOT trigger
-    /// direct-fallback re-execution.
-    ///
-    /// Construction: an sh script that asserts it is PID 1 (proving the unshare path
-    /// engaged — `[ "$$" = "1" ]`), attempts to write a stray byte `x` to fd 3 (post-
-    /// helper-binary: silently EBADFs because fd 3 is closed; pre-helper: writes through
-    /// to the parent pipe), then exits 0. Both eras: outcome must be `Matched` (single
-    /// run, exit 0). A buggy classifier that routed `b"sex"` to `NamespaceSetupFailed`
-    /// would re-run sh outside the PID namespace, `$$ != 1`, exit 99, surface `Mismatch`.
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_post_exec_fd3_write_does_not_trigger_implicit_rerun() {
-        use super::evaluate_execute_command_host_outcome;
-        use super::ExecuteCommandHostOutcome;
-        let probe = std::process::Command::new("unshare")
-            .args(["-c", "-f", "-p", "--", "sh", "-c", "[ \"$$\" = \"1\" ]"])
-            .stdin(std::process::Stdio::null())
-            .stdout(std::process::Stdio::null())
-            .stderr(std::process::Stdio::null())
-            .status();
-        if !matches!(probe, Ok(s) if s.success()) {
-            return;
-        }
-        // First run inside unshare PID-namespace: $$ == 1, write x to fd 3, exit 0.
-        // If a buggy classifier triggered direct fallback, the re-run would NOT be in a
-        // PID namespace, $$ != 1, exit 99 → Mismatch (caught by this assertion).
-        let r = evaluate_execute_command_host_outcome(
-            "sh",
-            &[
-                String::from("-c"),
-                String::from(r#"[ "$$" = "1" ] || exit 99; printf x >&3 2>/dev/null; exit 0"#),
-            ],
-            0,
-            Duration::from_secs(5),
-        );
-        assert_eq!(
-            r,
-            ExecuteCommandHostOutcome::Matched,
-            "post-`se` fd-3 write must not trigger implicit re-run; expected Matched (single run, $$ == 1, exit 0), got {r:?}"
-        );
-    }
-
-    /// Linux receipt: a `command` containing `/` (absolute path) reaches `execvp` with the
-    /// literal path. The helper binary uses `execvp(3)` directly (which doesn't consult
-    /// `PATH` for path operands), so the run completes and Matches. (Helper-binary parity
-    /// receipt for `std::process::Command` semantics; see #1063.)
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_absolute_path_command_runs_and_matches() {
-        // `/bin/true` exists on virtually all Linux systems; if not, fall back to `/usr/bin/true`.
-        let abs = if std::path::Path::new("/bin/true").exists() {
-            "/bin/true"
-        } else {
-            "/usr/bin/true"
-        };
-        let r = evaluate_execute_command_exit_code(abs, &[], 0);
-        assert_eq!(
-            r,
-            ClaimResult::Pass,
-            "absolute-path command must reach exec via the bootstrap path probe; got {r:?}"
-        );
-    }
-
-    /// Linux receipt: a `command` with no `/` (bare name) is resolved by `execvp(3)` via
-    /// `PATH`. `true` is always on `PATH` on every supported host.
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_bare_name_command_runs_and_matches() {
-        let r = evaluate_execute_command_exit_code("true", &[], 0);
-        assert_eq!(
-            r,
-            ClaimResult::Pass,
-            "bare-name command must resolve via PATH probe; got {r:?}"
-        );
-    }
-
-    /// Manager-requested regression (T-PB-B Worker 4 draft review): an existing-but-not-
-    /// executable file with `expect_exit_code = 126` must NOT `Match`, even though the sh
-    /// fall-back exit for an unrunnable command is naturally 126. The path probe
-    /// `[ -x "$0" ]` rejects pre-`exec`, sentinel `s`, classified `LogicalCommandNotExecutable`
-    /// → `SpawnFailed`. Closes the P2(c) collapse where a non-executable path could have been
-    /// classified as a logical exit.
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_existing_non_executable_file_with_expect_126_does_not_match() {
-        use super::evaluate_execute_command_host_outcome;
-        use super::ExecuteCommandHostOutcome;
-        use std::os::unix::fs::PermissionsExt;
-        let tmp =
-            std::env::temp_dir().join(format!("gunbc_pb_runtime_nonexec_{}", std::process::id()));
-        std::fs::write(&tmp, b"#!/bin/sh\nexit 0\n").expect("write temp");
-        let mut perms = std::fs::metadata(&tmp).expect("meta").permissions();
-        perms.set_mode(0o644); // explicitly NO execute bit
-        std::fs::set_permissions(&tmp, perms).expect("chmod 644");
-
-        let path = tmp.to_str().expect("path utf8").to_string();
-        let r = evaluate_execute_command_host_outcome(&path, &[], 126, Duration::from_secs(5));
-        let _ = std::fs::remove_file(&tmp);
-
-        assert!(
-            !matches!(r, ExecuteCommandHostOutcome::Matched),
-            "non-executable file with expect=126 must NOT Match (P2(c)); got {r:?}"
-        );
-        assert!(
-            matches!(
-                r,
-                ExecuteCommandHostOutcome::SpawnFailed { .. }
-                    | ExecuteCommandHostOutcome::SetupFailed { .. }
-            ),
-            "expected SpawnFailed/SetupFailed for non-executable path; got {r:?}"
-        );
-    }
-
-    /// Linux receipt: a relative-path `command` containing `/` that does **not** exist must
-    /// surface as a non-`Matched` outcome (`SpawnFailed` or `SetupFailed`), never as a stray
-    /// `Matched` from `command -v`'s sh-relative resolution. Distinguishes path-mode probe
-    /// from PATH-mode probe.
-    #[test]
-    #[cfg(target_os = "linux")]
-    fn unshare_relative_path_missing_command_does_not_match() {
-        use super::evaluate_execute_command_host_outcome;
-        use super::ExecuteCommandHostOutcome;
-        let r = evaluate_execute_command_host_outcome(
-            "./definitely_not_here_gunbc_pb_runtime",
-            &[],
-            0,
-            Duration::from_secs(5),
-        );
-        assert!(
-            matches!(
-                r,
-                ExecuteCommandHostOutcome::SpawnFailed { .. }
-                    | ExecuteCommandHostOutcome::SetupFailed { .. }
-            ),
-            "missing relative-path command must NOT match; got {r:?}"
-        );
-    }
-
-    #[test]
-    fn shell_dash_c_script_parses_standalone_c_ec_and_e_c() {
-        use super::shell_dash_c_script_string;
-        assert_eq!(
-            shell_dash_c_script_string(&[String::from("-c"), String::from("a")]),
-            Some("a")
-        );
-        assert_eq!(
-            shell_dash_c_script_string(&[String::from("-ec"), String::from("b")]),
-            Some("b")
-        );
-        assert_eq!(
-            shell_dash_c_script_string(&[
-                String::from("-e"),
-                String::from("-c"),
-                String::from("c")
-            ]),
-            Some("c")
-        );
-        assert_eq!(
-            shell_dash_c_script_string(&[String::from("-lc"), String::from("d")]),
-            Some("d")
-        );
-        assert_eq!(
-            shell_dash_c_script_string(&[
-                String::from("sh"),
-                String::from("-ec"),
-                String::from("e")
-            ]),
-            Some("e")
-        );
-        assert_eq!(
-            shell_dash_c_script_string(&[
-                String::from("env"),
-                String::from("sh"),
-                String::from("-lc"),
-                String::from("f"),
-            ]),
-            Some("f")
-        );
-    }
-
-    /// First-`-c`-only `shell_dash_c_script_string` can return the *nested shell token*; the
-    /// pre-spawn guard recurses. PR #792 inline: do not use the test helper in production.
-    #[test]
-    fn shell_dash_c_script_string_first_c_only_unlike_guard_nested_scan() {
-        use super::shell_argv_may_start_unbounded_background;
-        use super::shell_dash_c_script_string;
-        let nested = vec![
-            String::from("sh"),
-            String::from("-c"),
-            String::from("sh"),
-            String::from("-ec"),
-            String::from("sleep 600 &"),
-        ];
-        assert_eq!(shell_dash_c_script_string(&nested), Some("sh"));
-        assert!(shell_argv_may_start_unbounded_background(&nested));
-    }
-
-    /// `sh -ec` and `sh -lc` (codex) must be covered, not only `sh -c …`.
-    #[test]
-    fn sh_dash_ec_rejects_background_ampersand() {
-        let r = evaluate_execute_command_exit_code(
-            "sh",
-            &[String::from("-ec"), String::from("sleep 600 &")],
-            0,
-        );
-        let ClaimResult::Fail(m) = r else {
-            panic!("expected fail-closed for -ec + background, got {r:?}");
-        };
-        assert!(
-            m.contains("background")
-                || m.contains("P3")
-                || m.contains("descendants")
-                || m.contains("shell `-c`"),
-            "expected policy message, got: {m}"
-        );
-    }
-
-    /// `&&` is logical AND, not background; must not be rejected (PR #792 review).
-    #[test]
-    #[cfg(unix)]
-    fn sh_dash_c_and_chain_runs() {
-        let r = evaluate_execute_command_exit_code(
-            "sh",
-            &[String::from("-c"), String::from("true && true")],
-            0,
-        );
-        assert_eq!(r, ClaimResult::Pass);
-    }
-
-    /// `2>&1` and similar are not a shell background `&` (elided before the heuristic).
-    #[test]
-    #[cfg(unix)]
-    fn sh_dash_c_2_redir_is_not_treated_as_background() {
-        let r = evaluate_execute_command_exit_code(
-            "sh",
-            &[String::from("-c"), String::from("true 2>&1")],
-            0,
-        );
-        assert_eq!(
-            r,
-            ClaimResult::Pass,
-            "2>&1 should not be confused with sh background &"
-        );
-    }
-
-    /// `>&2` (default-fd to stderr) is not a background `&` — e.g. `unshare_path_drains_…` uses
-    /// a loop with `>&2` on Linux; without eliding, `ExecuteCommand` rejects the `-c` script.
-    #[test]
-    fn sh_dash_c_greater_redir_to_fd2_is_not_background() {
-        assert!(!shell_dash_c_may_start_background_after_eliding_artifacts(
-            "i=0; while [ $i -lt 1 ]; do i=$((i+1)); done >&2; exit 0",
-            Some("sh"),
-        ));
-    }
-
-    #[test]
-    #[cfg(unix)]
-    fn long_running_child_fails_closed_with_timeout_message() {
-        let r = evaluate_execute_command_exit_code_with_wall_time(
-            "sh",
-            &[String::from("-c"), String::from("sleep 5")],
-            0,
-            Duration::from_millis(150),
-        );
-        let ClaimResult::Fail(msg) = r else {
-            panic!("expected timeout fail, got {r:?}");
-        };
-        assert!(
-            msg.contains("0.15") && msg.contains("exceeded") && msg.contains("wall-clock"),
-            "expected timeout phrasing, got: {msg}"
-        );
-    }
-}
-
-// Linux: bootstrap sentinel-pipe classification (T-PB-B Worker 4 typed model).
-#[cfg(all(test, target_os = "linux"))]
-mod unshare_bootstrap_sentinel_tests {
-    use super::unshare_bootstrap_stage_from_sentinel;
-    use super::UnshareBootstrapStage;
-
-    #[test]
-    fn empty_sentinel_means_namespace_setup_failed() {
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b""),
-            UnshareBootstrapStage::NamespaceSetupFailed
-        );
-    }
-
-    #[test]
-    fn s_only_means_logical_command_not_executable() {
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"s"),
-            UnshareBootstrapStage::LogicalCommandNotExecutable
-        );
-    }
-
-    #[test]
-    fn se_means_logical_command_execed() {
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"se"),
-            UnshareBootstrapStage::LogicalCommandExeced
-        );
-    }
-
-    #[test]
-    fn sef_means_logical_exec_failed_post_probe() {
-        // `sef` = sh started, probe passed, exec returned (failure), EXIT trap fired. Must
-        // surface as a typed exec-failed outcome, NOT as a logical exit — closes the P2(c)
-        // regression manager flagged on draft review.
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"sef"),
-            UnshareBootstrapStage::LogicalExecFailed
-        );
-    }
-
-    #[test]
-    fn pre_se_unexpected_patterns_fail_closed_to_setup_failed() {
-        // Patterns that did NOT reach `e` (so the bootstrap never committed to `exec`) must
-        // fail-closed to `NamespaceSetupFailed`. Direct fallback in that case is the *first*
-        // logical run, not a second — safe.
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"x"),
-            UnshareBootstrapStage::NamespaceSetupFailed
-        );
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"es"),
-            UnshareBootstrapStage::NamespaceSetupFailed
-        );
-    }
-
-    /// **P2(d) regression (api-review codex sha 7297b04a).** Once the sentinel reaches `se`,
-    /// the bootstrap has committed to `exec` and the user command DID run. Stray bytes after
-    /// `se` (from the user writing to the inherited fd 3 post-`exec`) must classify as
-    /// `LogicalCommandExeced`, NOT `NamespaceSetupFailed` — otherwise the runner would
-    /// implicitly re-execute the user command via the direct fallback. Both `b"sex"` (stray
-    /// after canonical `se`) and `b"sefx"` (stray after canonical `sef`-style trap-write)
-    /// are user-side post-`exec` writes; both must surface as user ran.
-    #[test]
-    fn post_se_stray_bytes_classify_as_logical_command_execed_no_rerun() {
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"sex"),
-            UnshareBootstrapStage::LogicalCommandExeced
-        );
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"sefx"),
-            UnshareBootstrapStage::LogicalCommandExeced
-        );
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"se\x00"),
-            UnshareBootstrapStage::LogicalCommandExeced
-        );
-        assert_eq!(
-            unshare_bootstrap_stage_from_sentinel(b"se\xff\xff"),
-            UnshareBootstrapStage::LogicalCommandExeced
-        );
-    }
-}
-
-/// **P2(c) hardening — helper-path validation rejects non-executables.** (api-review
-/// codex/codex-default sha 143b7da5, BLOCKING.) Without this check, the override env var
-/// could point at a directory or non-x file: \[unshare] would fail to exec it → empty
-/// sentinel → `NamespaceSetupFailed` → direct fallback runs the user command, silently
-/// converting helper misconfiguration into a possible `Matched` logical exit.
-#[cfg(all(test, target_os = "linux"))]
-mod helper_path_validation_tests {
-    use super::is_regular_executable_file;
-    use std::os::unix::fs::PermissionsExt;
-
-    #[test]
-    fn directory_is_rejected() {
-        let dir = std::env::temp_dir();
-        // tmp dir definitely exists and is a directory.
-        assert!(dir.is_dir());
-        assert!(
-            !is_regular_executable_file(&dir),
-            "directory must NOT pass helper-path validation"
-        );
-    }
-
-    #[test]
-    fn non_executable_file_is_rejected() {
-        let path = std::env::temp_dir().join(format!(
-            "gunbc_pb_runtime_helper_validation_nonexec_{}",
-            std::process::id()
-        ));
-        std::fs::write(&path, b"#!/bin/sh\nexit 0\n").expect("write tmp");
-        let mut perms = std::fs::metadata(&path).expect("meta").permissions();
-        perms.set_mode(0o644); // explicitly NO execute bit
-        std::fs::set_permissions(&path, perms).expect("chmod 644");
-        let result = is_regular_executable_file(&path);
-        let _ = std::fs::remove_file(&path);
-        assert!(
-            !result,
-            "non-executable file must NOT pass helper-path validation"
-        );
-    }
-
-    #[test]
-    fn missing_file_is_rejected() {
-        let path = std::path::PathBuf::from(format!(
-            "/tmp/gunbc_pb_runtime_helper_validation_missing_{}_{}",
-            std::process::id(),
-            std::time::SystemTime::now()
-                .duration_since(std::time::UNIX_EPOCH)
-                .map(|d| d.as_nanos())
-                .unwrap_or(0)
-        ));
-        assert!(!path.exists());
-        assert!(
-            !is_regular_executable_file(&path),
-            "missing path must NOT pass helper-path validation"
-        );
-    }
-
-    #[test]
-    fn executable_file_is_accepted() {
-        // /bin/sh is universally a regular executable file on Linux.
-        let path = if std::path::Path::new("/bin/sh").exists() {
-            std::path::PathBuf::from("/bin/sh")
-        } else {
-            std::path::PathBuf::from("/usr/bin/sh")
-        };
-        assert!(
-            is_regular_executable_file(&path),
-            "regular executable {} must pass helper-path validation",
-            path.display()
-        );
-    }
-
-    /// **BLOCKING regression (api-review codex sha 523776b).** A file with execute bits
-    /// set only for a uid/gid the calling process is NOT (e.g. `--x------` owned by root
-    /// while we run as a non-root test runner) must be rejected — otherwise `unshare`
-    /// would `EACCES` at exec time, the helper would never write the sentinel, and we'd
-    /// silently route to direct fallback, violating P2(c).
-    ///
-    /// Construction: drop ALL execute bits (mode 0o400 = `r--------`) on a file we own;
-    /// `access(X_OK)` returns -1/EACCES and the validator rejects. This exercises the
-    /// uid-aware check rather than just "any bit set."
-    #[test]
-    fn non_executable_to_calling_uid_is_rejected() {
-        use std::os::unix::fs::PermissionsExt;
-        let path = std::env::temp_dir().join(format!(
-            "gunbc_pb_runtime_helper_validation_uid_aware_{}",
-            std::process::id()
-        ));
-        std::fs::write(&path, b"#!/bin/sh\nexit 0\n").expect("write tmp");
-        let mut perms = std::fs::metadata(&path).expect("meta").permissions();
-        // mode 0o400: owner can read but not execute; nobody can execute.
-        // access(X_OK) by the caller (us, the owner) → EACCES. Validator must reject.
-        perms.set_mode(0o400);
-        std::fs::set_permissions(&path, perms).expect("chmod 400");
-        let result = is_regular_executable_file(&path);
-        let _ = std::fs::remove_file(&path);
-        assert!(
-            !result,
-            "file with no execute permission for the calling uid must be rejected (P2(c))"
-        );
-    }
-}
-
-#[cfg(test)]
-mod perf_within_baseline_tests {
-    //! Unit tests for the `PerfWithinBaseline` evaluator path per the
-    //! T-Tier3-Dissolution consumer-slice worker brief
-    //! (`docs/briefs/r3-pb-t-tier3-consumer-slice-worker.md` §1).
-    //!
-    //! Two coverage axes:
-    //!
-    //! 1. **Resolver fail-closed**: `PerfMeasurementResolveError` table-form
-    //!    over typed variants × two role labels. Each variant must produce a
-    //!    `ClaimResult::Fail` reason text that preserves the role label for triage
-    //!    (per `CODING.md` typed-error discipline + `INVARIANTS.md` P3 fail-closed).
-    //!
-    //! 2. **Budget evaluation logic**: the four cases enumerated in the
-    //!    brief acceptance — pass-when-under-budget, fail-on-median-over,
-    //!    fail-on-p99-over, fail-on-overflow. Tested via a small free
-    //!    function rather than through full DAG construction; the helper
-    //!    encodes the §225 ratio thresholds and the saturating-overflow
-    //!    fail-closed semantics.
-
-    use super::compute_perf_budget_bounds;
-    use super::is_perf_budget_comparator_at_most;
-    use super::PerfBudgetOverflow;
-    use super::PerfMeasurement;
-    use super::PerfMeasurementResolveError;
-
-    /// Apply the §225-locked `AtMostBudget` thresholds (median and absolute p99).
-    /// call through `compute_perf_budget_bounds` (the same single-authority
-    /// free function the runtime uses) so there is no second copy of the
-    /// `× 2` / `× 5` constants — drift between test harness and runtime
-    /// is structurally impossible.
-    fn budget_pass_le(
-        subject: PerfMeasurement,
-        baseline: PerfMeasurement,
-    ) -> Result<bool, PerfBudgetOverflow> {
-        let (median_bound, p99_bound) = compute_perf_budget_bounds(baseline)?;
-        Ok(subject.median_ns <= median_bound && subject.p99_ns <= p99_bound)
-    }
-
-    /// Differential test: every typed `PerfMeasurementResolveError` variant
-    /// must produce a structurally-distinct `ClaimResult::Fail` for two
-    /// different role labels, demonstrating that the role parameter flows
-    /// through `into_claim_fail` without pinning the exact format string.
-    /// This avoids the `TESTING.md` anti-pattern of asserting on
-    /// human-readable error message text while still exercising the
-    /// role-preservation contract from the brief acceptance.
-    #[test]
-    fn resolver_fail_closed_role_label_flows_through_for_every_variant() {
-        let variants: &[PerfMeasurementResolveError] = &[
-            PerfMeasurementResolveError::MissingDeclaration,
-            PerfMeasurementResolveError::WrongConnective,
-            PerfMeasurementResolveError::MissingField { field: "median_ns" },
-            PerfMeasurementResolveError::MissingField {
-                field: "p99_delta_ns",
-            },
-            PerfMeasurementResolveError::WrongFieldKind { field: "median_ns" },
-            PerfMeasurementResolveError::WrongFieldKind {
-                field: "p99_delta_ns",
-            },
-            PerfMeasurementResolveError::NegativeNatLiteral { field: "median_ns" },
-            PerfMeasurementResolveError::NegativeNatLiteral {
-                field: "p99_delta_ns",
-            },
-            PerfMeasurementResolveError::P99ConstructionOverflow,
-        ];
-        for variant in variants {
-            let alpha = variant.clone().into_claim_fail("alpha_role");
-            let beta = variant.clone().into_claim_fail("beta_role");
-            assert_ne!(
-                alpha, beta,
-                "role label must produce different output for variant {:?}; \
-                 got identical strings (role param ignored?)",
-                variant,
-            );
-            // Also verify the role string itself is reachable in the output —
-            // not by pinning the format but by checking the role name is a
-            // distinguishing substring (a role drop would make alpha == beta
-            // above, but a role used non-identifyingly could still differ).
-            assert!(
-                alpha.contains("alpha_role") && beta.contains("beta_role"),
-                "role substrings must appear in their respective outputs for {:?}",
-                variant,
-            );
-        }
-    }
-
-    #[test]
-    fn budget_pass_when_subject_under_thresholds() {
-        // baseline median 100, p99 200; bounds = (200, 1000); subject (150, 800) — both under.
-        let baseline = PerfMeasurement {
-            median_ns: 100,
-            p99_ns: 200,
-        };
-        let subject = PerfMeasurement {
-            median_ns: 150,
-            p99_ns: 800,
-        };
-        assert_eq!(budget_pass_le(subject, baseline), Ok(true));
-    }
-
-    #[test]
-    fn budget_fails_when_subject_median_exceeds_bound() {
-        // baseline median 100 → bound 200; subject median 201 fails despite fine p99.
-        let baseline = PerfMeasurement {
-            median_ns: 100,
-            p99_ns: 200,
-        };
-        let subject = PerfMeasurement {
-            median_ns: 201,
-            p99_ns: 800,
-        };
-        assert_eq!(budget_pass_le(subject, baseline), Ok(false));
-    }
-
-    #[test]
-    fn budget_fails_when_subject_p99_exceeds_bound() {
-        // baseline p99 200 → bound 1000; subject p99 1001 fails despite fine median.
-        let baseline = PerfMeasurement {
-            median_ns: 100,
-            p99_ns: 200,
-        };
-        let subject = PerfMeasurement {
-            median_ns: 150,
-            p99_ns: 1001,
-        };
-        assert_eq!(budget_pass_le(subject, baseline), Ok(false));
-    }
-
-    #[test]
-    fn budget_fail_closed_on_threshold_overflow() {
-        // baseline median = i64::MAX → ×2 overflows; helper must surface the
-        // overflow rather than silently wrap. The runtime impl converts this
-        // to ClaimResult::Fail with an explicit reason.
-        let baseline = PerfMeasurement {
-            median_ns: i64::MAX,
-            p99_ns: 1,
-        };
-        let subject = PerfMeasurement {
-            median_ns: 0,
-            p99_ns: 0,
-        };
-        assert_eq!(
-            budget_pass_le(subject, baseline),
-            Err(PerfBudgetOverflow::Median)
-        );
-
-        let baseline_p99_overflow = PerfMeasurement {
-            median_ns: 1,
-            p99_ns: i64::MAX,
-        };
-        assert_eq!(
-            budget_pass_le(subject, baseline_p99_overflow),
-            Err(PerfBudgetOverflow::P99)
-        );
-    }
-
-    /// The Director-locked §225 budget semantics are `median ≤ 2× baseline`
-    /// AND `p99 ≤ 5× baseline`. The substrate `PerfBudgetComparisonOp`
-    /// carries a closed budget comparator so inverted general comparisons
-    /// cannot be authored into the gate. This test reads its variant set
-    /// from the generated full bootstrap DAG consumed by the runner (not a
-    /// hardcoded list) and asserts the runtime guard classifies every variant:
-    /// `AtMostBudget` alone passes, every other variant fails-closed.
-    #[test]
-    fn runtime_classifies_every_perf_budget_comparison_op_variant_at_most_only() {
-        use crate::dag::TypeConnective;
-
-        let dag = std::thread::Builder::new()
-            .name("perf_budget_comparator_bootstrap_dag".to_string())
-            // The generated full bootstrap DAG overflows the default libtest
-            // thread stack on this path; keep the structural drift check.
-            .stack_size(8 * 1024 * 1024)
-            .spawn(crate::generated_full_bootstrap_dag)
-            .expect("spawn generated_full_bootstrap_dag helper")
-            .join()
-            .expect("generated_full_bootstrap_dag helper panicked");
-        let perf_budget_comparison_op = dag.declaration_by_name("PerfBudgetComparisonOp").expect(
-            "PerfBudgetComparisonOp must exist in generated bootstrap DAG \
-                 (src/v3/std/verification.dag)",
-        );
-        let TypeConnective::Disj { variants } = &perf_budget_comparison_op.connective else {
-            panic!("PerfBudgetComparisonOp must be a coproduct (Disj)");
-        };
-        let mut variant_labels: Vec<&str> = variants.iter().map(|v| v.label.as_str()).collect();
-        variant_labels.sort();
-        assert!(
-            variant_labels.contains(&"AtMostBudget"),
-            "PerfBudgetComparisonOp must include `AtMostBudget` for §225 semantics; got {variant_labels:?}"
-        );
-        // Drift gate: every substrate-declared variant must be explicitly
-        // classified by the runtime guard. The guard's classification is a
-        // single rule — `label == \"AtMostBudget\"` — so the assertion below mirrors it.
-        // If substrate adds a variant, `is_perf_budget_comparator_at_most`
-        // continues to return `false` for it (correctly fail-closed under the
-        // current locked semantics) and this test continues to pass without
-        // edits — the new variant is structurally rejected by the same guard,
-        // matching the §225 lock.
-        for label in &variant_labels {
-            let accepted = is_perf_budget_comparator_at_most(label);
-            assert_eq!(
-                accepted,
-                *label == "AtMostBudget",
-                "PerfBudgetComparisonOp variant `{label}`: runtime guard classification disagrees \
-                 with §225 lock (only `AtMostBudget` may be accepted)",
-            );
-        }
-    }
-
-    #[test]
-    fn perf_budget_comparator_rejects_general_comparison_op_constructor() {
-        use crate::dag::{FieldValue, TypeConnective};
-
-        let dag = std::thread::Builder::new()
-            .name("perf_budget_comparator_wrong_disj_bootstrap_dag".to_string())
-            // The generated full bootstrap DAG overflows the default libtest
-            // thread stack on this path; keep the structural boundary check.
-            .stack_size(8 * 1024 * 1024)
-            .spawn(crate::generated_full_bootstrap_dag)
-            .expect("spawn generated_full_bootstrap_dag helper")
-            .join()
-            .expect("generated_full_bootstrap_dag helper panicked");
-        let comparison_op = dag
-            .declaration_by_name("ComparisonOp")
-            .expect("ComparisonOp must exist in generated bootstrap DAG");
-        let TypeConnective::Disj { variants } = &comparison_op.connective else {
-            panic!("ComparisonOp must be a coproduct (Disj)");
-        };
-        let general_comparator = FieldValue::Variant {
-            constructor: variants[0].ty,
-            payload: Vec::new(),
-        };
-        assert_eq!(
-            super::perf_budget_comparator_label(&dag, &general_comparator),
-            None,
-            "PerfWithinBaseline must reject unit variants from non-PerfBudgetComparisonOp coproducts"
-        );
-    }
-}
-
-/// Single-rule classifier for the §225 `AtMostBudget` guard. The runtime
-/// path in [`TestRunner::eval_perf_within_baseline`] calls this helper
-/// (`comparator_label != "AtMostBudget"` → fail-closed). Lifted as a free function
-/// so unit tests can drive the same classifier against the substrate-
-/// declared `PerfBudgetComparisonOp` variant set without DAG fixtures.
-fn is_perf_budget_comparator_at_most(comparator_label: &str) -> bool {
-    comparator_label == "AtMostBudget"
-}
-
-#[cfg(test)]
-mod symbolic_cost_expr_equals_decoder_tests {
-    use super::*;
-    use crate::generated_full_bootstrap_dag;
-
-    fn symbolic_cost_variant_constructor(dag: &Dag, label: &str) -> DeclarationId {
-        let symbolic_cost = dag
-            .declaration_by_name("SymbolicCost")
-            .expect("SymbolicCost");
-        let TypeConnective::Disj { variants } = &symbolic_cost.connective else {
-            panic!("SymbolicCost not Disj");
-        };
-        variants
-            .iter()
-            .find(|v| v.label == label)
-            .unwrap_or_else(|| panic!("missing variant {label}"))
-            .ty
-    }
-
-    fn constant_cost_fv(dag: &Dag, n: i64) -> FieldValue {
-        FieldValue::Variant {
-            constructor: symbolic_cost_variant_constructor(dag, "ConstantCost"),
-            payload: vec![FieldValue::Literal(LiteralBits::Int(n.to_string()))],
-        }
-    }
-
-    #[test]
-    fn pattern_decodes_sum_of_two_constants() {
-        let dag = generated_full_bootstrap_dag();
-        let nsl = FieldValue::Record(vec![
-            ("first".to_string(), constant_cost_fv(&dag, 1)),
-            ("second".to_string(), constant_cost_fv(&dag, 2)),
-            ("rest".to_string(), FieldValue::List(vec![])),
-        ]);
-        let sum = FieldValue::Variant {
-            constructor: symbolic_cost_variant_constructor(&dag, "SumCost"),
-            payload: vec![nsl],
-        };
-        let pat = field_value_to_symbolic_cost_eq_pattern(&dag, &sum).expect("sum decodes");
-        assert_eq!(
-            pat,
-            SymbolicCostEqPattern::Sum(vec![
-                SymbolicCostEqPattern::Constant(1),
-                SymbolicCostEqPattern::Constant(2),
-            ])
-        );
-    }
-
-    #[test]
-    fn pattern_decodes_product_of_two_constants() {
-        let dag = generated_full_bootstrap_dag();
-        let nsl = FieldValue::Record(vec![
-            ("first".to_string(), constant_cost_fv(&dag, 0)),
-            ("second".to_string(), constant_cost_fv(&dag, 1)),
-            ("rest".to_string(), FieldValue::List(vec![])),
-        ]);
-        let prod = FieldValue::Variant {
-            constructor: symbolic_cost_variant_constructor(&dag, "ProductCost"),
-            payload: vec![nsl],
-        };
-        let pat = field_value_to_symbolic_cost_eq_pattern(&dag, &prod).expect("product decodes");
-        assert_eq!(
-            pat,
-            SymbolicCostEqPattern::Product(vec![
-                SymbolicCostEqPattern::Constant(0),
-                SymbolicCostEqPattern::Constant(1),
-            ])
-        );
-    }
-
-    #[test]
-    fn optional_display_name_rejects_zero_payload_unless_absent_ctor() {
-        let dag = generated_full_bootstrap_dag();
-        let wrong_ctor = symbolic_cost_variant_constructor(&dag, "ConstantCost");
-        let fields = vec![(
-            "display_name".to_string(),
-            FieldValue::Variant {
-                constructor: wrong_ctor,
-                payload: vec![],
-            },
-        )];
-        assert!(
-            optional_string_field_for_record(&dag, &fields, "display_name").is_err(),
-            "zero payload must not decode as absent unless ctor is optional None"
-        );
-    }
-
-    #[test]
-    fn optional_display_name_accepts_zero_payload_for_canonical_none_ctor_when_present() {
-        let dag = generated_full_bootstrap_dag();
-        let Some(none_ctor) = super::size_variable_display_name_optional_none_constructor_id(&dag)
-        else {
-            // `String?` may lower only via cardinality + absent field — nothing to assert here.
-            return;
-        };
-        let fields = vec![(
-            "display_name".to_string(),
-            FieldValue::Variant {
-                constructor: none_ctor,
-                payload: vec![],
-            },
-        )];
-        assert_eq!(
-            optional_string_field_for_record(&dag, &fields, "display_name").unwrap(),
-            None
-        );
-    }
-
-    #[test]
-    fn optional_display_name_accepts_string_literal_payload() {
-        let dag = generated_full_bootstrap_dag();
-        let fields = vec![(
-            "display_name".to_string(),
-            FieldValue::Variant {
-                constructor: symbolic_cost_variant_constructor(&dag, "ConstantCost"),
-                payload: vec![FieldValue::Literal(LiteralBits::String("x".to_string()))],
-            },
-        )];
-        assert_eq!(
-            optional_string_field_for_record(&dag, &fields, "display_name").unwrap(),
-            Some("x".to_string())
-        );
-    }
-
-    #[test]
-    fn optional_display_name_rejects_non_string_literal_singleton_payload() {
-        let dag = generated_full_bootstrap_dag();
-        let fields = vec![(
-            "display_name".to_string(),
-            FieldValue::Variant {
-                constructor: symbolic_cost_variant_constructor(&dag, "ConstantCost"),
-                payload: vec![FieldValue::Literal(LiteralBits::Int("1".to_string()))],
-            },
-        )];
-        assert!(optional_string_field_for_record(&dag, &fields, "display_name").is_err());
-    }
-
-    #[test]
-    fn eq_pattern_linear_matches_algebra_identity_source_port_only() {
-        use crate::dag::{PortId, SizeVariable, SymbolicCost};
-        let with_label = SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: PortId::test_raw(42),
-                display_name: Some("n".to_string()),
-            },
-        };
-        let unnamed = SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: PortId::test_raw(42),
-                display_name: None,
-            },
-        };
-        assert_eq!(
-            super::symbolic_cost_to_eq_pattern(&with_label),
-            super::symbolic_cost_to_eq_pattern(&unnamed)
-        );
-    }
-
-    #[test]
-    fn eq_pattern_linear_distinguishes_source_ports() {
-        use crate::dag::{PortId, SizeVariable, SymbolicCost};
-        let a = SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: PortId::test_raw(1),
-                display_name: None,
-            },
-        };
-        let b = SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: PortId::test_raw(2),
-                display_name: None,
-            },
-        };
-        assert_ne!(
-            super::symbolic_cost_to_eq_pattern(&a),
-            super::symbolic_cost_to_eq_pattern(&b)
-        );
-    }
-}
diff --git a/src/v3/compiler/src/tokenize_generated.rs b/src/v3/compiler/src/tokenize_generated.rs
deleted file mode 100644
index d6c0e57481f..00000000000
--- a/src/v3/compiler/src/tokenize_generated.rs
+++ /dev/null
@@ -1,364 +0,0 @@
-// AUTO-GENERATED from `src/v3/compiler/tokenize.dag` via
-// `regen_tokenize`. Regenerate instead of hand-editing.
-
-use crate::diagnostics::{Diagnostic, SourceSpan};
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum ScannerCharClass {
-    Whitespace,
-    Digit,
-    IdentStart,
-    IdentContinue,
-}
-
-#[inline]
-pub fn byte_matches(byte: u8, class: ScannerCharClass) -> bool {
-    match class {
-        ScannerCharClass::Whitespace => matches!(byte, b'\t' | b'\n' | b'\x0c' | b'\r' | b' '),
-        ScannerCharClass::Digit => byte.is_ascii_digit(),
-        ScannerCharClass::IdentStart => {
-            byte.is_ascii_lowercase() || byte.is_ascii_uppercase() || byte == 0x5f
-        }
-        ScannerCharClass::IdentContinue => byte.is_ascii_alphanumeric() || byte == 0x5f,
-    }
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum TokenKind {
-    KwLet,
-    KwIf,
-    KwThen,
-    KwElse,
-    KwFn,
-    KwType,
-    KwModule,
-    KwImport,
-    KwMatch,
-    KwData,
-    KwWhere,
-    KwTrue,
-    KwFalse,
-    Ident(String),
-    IntLit(String),
-    StringLit(String),
-    Eq,
-    EqEq,
-    NotEq,
-    Lt,
-    Le,
-    Gt,
-    Ge,
-    Plus,
-    Minus,
-    Star,
-    Slash,
-    AmpAmp,
-    PipePipe,
-    Colon,
-    Arrow,
-    FatArrow,
-    PipeArrow,
-    Dot,
-    LParen,
-    RParen,
-    LBrace,
-    RBrace,
-    LBracket,
-    RBracket,
-    Comma,
-    Semicolon,
-    Pipe,
-    Question,
-    Caret,
-    Eof,
-}
-#[derive(Debug, Clone)]
-pub struct Token {
-    pub kind: TokenKind,
-    pub span: SourceSpan,
-}
-
-fn minus_prefixed_decimal_allowed(prev: Option<&TokenKind>) -> bool {
-    !matches!(
-        prev,
-        Some(
-            TokenKind::Ident(_)
-                | TokenKind::IntLit(_)
-                | TokenKind::StringLit(_)
-                | TokenKind::KwTrue
-                | TokenKind::KwFalse
-                | TokenKind::RParen
-                | TokenKind::RBracket
-                | TokenKind::RBrace
-        )
-    )
-}
-
-pub fn tokenize(source: &str, file: &str) -> Result<Vec<Token>, Diagnostic> {
-    let bytes = source.as_bytes();
-    let mut pos: usize = 0;
-    let mut tokens = Vec::new();
-
-    const LINE_COMMENT_PREFIX: &[u8] = b"//";
-    while pos < bytes.len() {
-        let byte = bytes[pos];
-
-        let start = pos;
-
-        if byte == b'-'
-            && bytes
-                .get(pos + 1)
-                .is_some_and(|b| byte_matches(*b, ScannerCharClass::Digit))
-            && minus_prefixed_decimal_allowed(tokens.last().map(|t: &Token| &t.kind))
-        {
-            let mut end = pos + 1;
-            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::Digit) {
-                end += 1;
-            }
-            let literal = &source[pos + 1..end];
-            let magnitude: u128 = literal.parse().map_err(|_| Diagnostic::TokenizerError {
-                message: format!("{}{}{}", "invalid integer literal `", literal, "`"),
-                span: SourceSpan::new(file, start as u32, end as u32),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "TokenizerError",
-                ),
-            })?;
-            const MAX_SIGNED_ABS: u128 = 1u128 << 127;
-            if magnitude > MAX_SIGNED_ABS {
-                return Err(Diagnostic::TokenizerError {
-                    message: format!("integer literal out of range for signed decimal literal: `-{}` (|m| > 2^127)", literal),
-                    span: SourceSpan::new(file, start as u32, end as u32),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class("TokenizerError"),
-                });
-            }
-            let value = if magnitude == 0 {
-                "0".to_string()
-            } else {
-                format!("-{}", magnitude)
-            };
-            tokens.push(Token {
-                kind: TokenKind::IntLit(value),
-                span: SourceSpan::new(file, start as u32, end as u32),
-            });
-            pos = end;
-            continue;
-        }
-
-        if byte_matches(byte, ScannerCharClass::Whitespace) {
-            pos += 1;
-            continue;
-        }
-
-        if byte_matches(byte, ScannerCharClass::Digit) {
-            let mut end = pos;
-            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::Digit) {
-                end += 1;
-            }
-            let literal = &source[start..end];
-            let magnitude: u128 = literal.parse().map_err(|_| Diagnostic::TokenizerError {
-                message: format!("{}{}{}", "invalid integer literal `", literal, "`"),
-                span: SourceSpan::new(file, start as u32, end as u32),
-                correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                    "TokenizerError",
-                ),
-            })?;
-            let value = magnitude.to_string();
-            tokens.push(Token {
-                kind: TokenKind::IntLit(value),
-                span: SourceSpan::new(file, start as u32, end as u32),
-            });
-            pos = end;
-            continue;
-        }
-
-        if byte_matches(byte, ScannerCharClass::IdentStart) {
-            let mut end = pos;
-            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::IdentContinue) {
-                end += 1;
-            }
-            let text = &source[start..end];
-            let kind = match text {
-                "data" => TokenKind::KwData,
-                "else" => TokenKind::KwElse,
-                "false" => TokenKind::KwFalse,
-                "fn" => TokenKind::KwFn,
-                "if" => TokenKind::KwIf,
-                "import" => TokenKind::KwImport,
-                "let" => TokenKind::KwLet,
-                "match" => TokenKind::KwMatch,
-                "module" => TokenKind::KwModule,
-                "then" => TokenKind::KwThen,
-                "true" => TokenKind::KwTrue,
-                "type" => TokenKind::KwType,
-                "where" => TokenKind::KwWhere,
-                _ => TokenKind::Ident(text.to_string()),
-            };
-            tokens.push(Token {
-                kind,
-                span: SourceSpan::new(file, start as u32, end as u32),
-            });
-            pos = end;
-            continue;
-        }
-
-        if byte_matches(byte, ScannerCharClass::IdentContinue) {
-            let mut end = pos;
-            while end < bytes.len() && byte_matches(bytes[end], ScannerCharClass::IdentContinue) {
-                end += 1;
-            }
-            let text = &source[start..end];
-            let kind = match text {
-                "data" => TokenKind::KwData,
-                "else" => TokenKind::KwElse,
-                "false" => TokenKind::KwFalse,
-                "fn" => TokenKind::KwFn,
-                "if" => TokenKind::KwIf,
-                "import" => TokenKind::KwImport,
-                "let" => TokenKind::KwLet,
-                "match" => TokenKind::KwMatch,
-                "module" => TokenKind::KwModule,
-                "then" => TokenKind::KwThen,
-                "true" => TokenKind::KwTrue,
-                "type" => TokenKind::KwType,
-                "where" => TokenKind::KwWhere,
-                _ => TokenKind::Ident(text.to_string()),
-            };
-            tokens.push(Token {
-                kind,
-                span: SourceSpan::new(file, start as u32, end as u32),
-            });
-            pos = end;
-            continue;
-        }
-
-        // Line comment prefix from `tokenize.dag` (`line_comment_prefix`).
-        if bytes.len() >= pos + LINE_COMMENT_PREFIX.len()
-            && bytes[pos..pos + LINE_COMMENT_PREFIX.len()].eq(LINE_COMMENT_PREFIX)
-        {
-            pos += LINE_COMMENT_PREFIX.len();
-            while pos < bytes.len() && bytes[pos] != b'\n' {
-                pos += 1;
-            }
-            continue;
-        }
-
-        if let Some((kind, width)) = punctuation_token(bytes, pos) {
-            tokens.push(Token {
-                kind,
-                span: SourceSpan::new(file, start as u32, (start + width) as u32),
-            });
-            pos += width;
-            continue;
-        }
-
-        // String literal (`string_literal_delimiter` + `StringEscapeSpec` rows).
-        if byte == b'"' {
-            let mut end = pos + 1;
-            let mut content = String::new();
-            let mut terminated = false;
-            while end < bytes.len() {
-                match bytes[end] {
-                    b'"' => {
-                        terminated = true;
-                        end += 1;
-                        break;
-                    }
-                    b'\\' => {
-                        let Some(escaped) = bytes.get(end + 1).copied() else {
-                            return Err(Diagnostic::TokenizerError {
-                                message: "unterminated string escape".to_string(),
-                                span: SourceSpan::new(file, start as u32, (end + 1) as u32),
-                                correction:
-                                    crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                                        "TokenizerError",
-                                    ),
-                            });
-                        };
-                        match escaped {
-                            b'"' => content.push(core::char::from_u32(34_u32).unwrap()),
-                            b'\\' => content.push(core::char::from_u32(92_u32).unwrap()),
-                            b'n' => content.push(core::char::from_u32(10_u32).unwrap()),
-                            b'r' => content.push(core::char::from_u32(13_u32).unwrap()),
-                            b't' => content.push(core::char::from_u32(9_u32).unwrap()),
-                            other => {
-                                content.push('\\');
-                                content.push(other as char);
-                            }
-                        }
-                        end += 2;
-                    }
-                    other => {
-                        content.push(other as char);
-                        end += 1;
-                    }
-                }
-            }
-            if !terminated {
-                return Err(Diagnostic::TokenizerError {
-                    message: "unterminated string literal".to_string(),
-                    span: SourceSpan::new(file, start as u32, end as u32),
-                    correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                        "TokenizerError",
-                    ),
-                });
-            }
-            tokens.push(Token {
-                kind: TokenKind::StringLit(content),
-                span: SourceSpan::new(file, start as u32, end as u32),
-            });
-            pos = end;
-            continue;
-        }
-
-        return Err(Diagnostic::TokenizerError {
-            message: format!("unexpected byte `{}`", byte as char),
-            span: SourceSpan::new(file, start as u32, (start + 1) as u32),
-            correction: crate::diagnostics::Correction::deferred_for_diagnostic_class(
-                "TokenizerError",
-            ),
-        });
-    }
-
-    tokens.push(Token {
-        kind: TokenKind::Eof,
-        span: SourceSpan::new(file, bytes.len() as u32, bytes.len() as u32),
-    });
-    Ok(tokens)
-}
-
-fn punctuation_token(bytes: &[u8], pos: usize) -> Option<(TokenKind, usize)> {
-    let first = bytes[pos];
-    let second = bytes.get(pos + 1).copied();
-    match (first, second) {
-        (b'!', Some(b'=')) => Some((TokenKind::NotEq, 2)),
-        (b'&', Some(b'&')) => Some((TokenKind::AmpAmp, 2)),
-        (b'-', Some(b'>')) => Some((TokenKind::Arrow, 2)),
-        (b'<', Some(b'=')) => Some((TokenKind::Le, 2)),
-        (b'=', Some(b'=')) => Some((TokenKind::EqEq, 2)),
-        (b'=', Some(b'>')) => Some((TokenKind::FatArrow, 2)),
-        (b'>', Some(b'=')) => Some((TokenKind::Ge, 2)),
-        (b'|', Some(b'>')) => Some((TokenKind::PipeArrow, 2)),
-        (b'|', Some(b'|')) => Some((TokenKind::PipePipe, 2)),
-        (b'(', _) => Some((TokenKind::LParen, 1)),
-        (b')', _) => Some((TokenKind::RParen, 1)),
-        (b'*', _) => Some((TokenKind::Star, 1)),
-        (b'+', _) => Some((TokenKind::Plus, 1)),
-        (b',', _) => Some((TokenKind::Comma, 1)),
-        (b'-', _) => Some((TokenKind::Minus, 1)),
-        (b'.', _) => Some((TokenKind::Dot, 1)),
-        (b'/', _) => Some((TokenKind::Slash, 1)),
-        (b':', _) => Some((TokenKind::Colon, 1)),
-        (b';', _) => Some((TokenKind::Semicolon, 1)),
-        (b'<', _) => Some((TokenKind::Lt, 1)),
-        (b'=', _) => Some((TokenKind::Eq, 1)),
-        (b'>', _) => Some((TokenKind::Gt, 1)),
-        (b'?', _) => Some((TokenKind::Question, 1)),
-        (b'[', _) => Some((TokenKind::LBracket, 1)),
-        (b']', _) => Some((TokenKind::RBracket, 1)),
-        (b'^', _) => Some((TokenKind::Caret, 1)),
-        (b'{', _) => Some((TokenKind::LBrace, 1)),
-        (b'|', _) => Some((TokenKind::Pipe, 1)),
-        (b'}', _) => Some((TokenKind::RBrace, 1)),
-        _ => None,
-    }
-}
diff --git a/src/v3/compiler/src/types_generated.rs b/src/v3/compiler/src/types_generated.rs
deleted file mode 100644
index 512643c7087..00000000000
--- a/src/v3/compiler/src/types_generated.rs
+++ /dev/null
@@ -1,19 +0,0 @@
-// AUTO-GENERATED from `src/v3/std/substrate.dag`.
-// Regenerate instead of hand-editing.
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct TypeShape {
-    pub declaration: DeclarationId,
-}
-
-impl TypeShape {
-    pub fn new(declaration: DeclarationId) -> Self {
-        Self { declaration }
-    }
-}
-
-impl From<DeclarationId> for TypeShape {
-    fn from(declaration: DeclarationId) -> Self {
-        Self { declaration }
-    }
-}
diff --git a/src/v3/compiler/src/v4_hollow_alias_gate.rs b/src/v3/compiler/src/v4_hollow_alias_gate.rs
deleted file mode 100644
index 8e474e82c4c..00000000000
--- a/src/v3/compiler/src/v4_hollow_alias_gate.rs
+++ /dev/null
@@ -1,211 +0,0 @@
-//! T-30 — hollow-alias structural gate (bootstrap mirror).
-//!
-//! **Authority:** `docs/modeling-discipline.md` — **Practice 8 — Fact-bundle
-//! modeling**, #### *Interim floor: the hollow-alias discriminator* (landed on
-//! `main` with **#3226** / `77b9e7d72`; Practice 9 tightened with **#3234** /
-//! `125fc88c8` — **diff `origin/main:docs/modeling-discipline.md` if this mirror
-//! drifts**). This module is **not** the integer width/signedness worked example;
-//! that is one motivating instance only (manager brief T-30 / CORE).
-//!
-//! **P2-staging `.dag` nominal witness:** `src/v4/std/fact_density.dag` — `SourceSpecReadFact`
-//! is a **body-less nominal** (same *shape* as `Symbol` / `Hash` in `std/node.dag`):
-//! not a `Nat` alias, not an unconstrained product. Per **INVARIANTS §P2** / **Practice 5**,
-//! this file is **staging** until a **generated** `.dag` consumer reads it — it is **not**
-//! a landed substrate primitive; this Rust module is the **interim authority** for the
-//! Practice-8 hollow predicate. **Dissolution / richer `Node` payload:** same **T-30** bundle as
-//! `INVARIANTS.md` §P5(b) on this path +
-//! **`src/v4/DECISIONS.md`** T-30 `fact_density.dag` encoding note (generated `.dag` gate / bootstrap
-//! bridge), not a separate prose-only trigger.
-//! M1(2.8) rejects block-bodied `.dag` functions that walk `Node` with `match` in the
-//! user declaration range (`lower.rs` — `reject_user_unparsed_scaffolds`), so the
-//! gate logic is mirrored here as a **pure** harness until those bodies ship in `.dag`.
-//!
-//! **Practice-4 🟢/🟡 lines below:** harness-side §4 color receipts on this **P5(b)** path
-//! (`INVARIANTS.md` §P5(b) names the file). The repo has **no** CI step today that blindly
-//! greps these emojis across `src/v3/compiler/src/**/*.rs` as if every hit were a user `.dag`
-//! coproduct tag; if such automation is added, **exclude** paths with an explicit P5(b) row so
-//! interim hand-Rust mirrors are not misclassified.
-//!
-//! ## Interim-floor hollow predicate (three prongs + exemption)
-//!
-//! A declaration is **hollow** when **all three** hold on the harness projection (fail
-//! closed ⇒ [`HollowAliasGateOutcome::Rejected`]), matching the numbered list in
-//! `modeling-discipline.md` (~lines 389–399):
-//!
-//! 1. **Bare alias** (`type X = Y`) or a single-field wrapper that adds no field of its own
-//!    — [`HollowDeclarationSite::bare_alias_or_empty_wrapper`].
-//! 2. **External spec primitive** — a language / format / framework **spec** names the
-//!    subject and states facts about it — [`ModeledSubject::ExternalSpecPrimitive`].
-//! 3. **No coincidence evidence** — no `src/v4/DECISIONS.md` entry proving the alias
-//!    endpoints coincide, cited from the modeling file by at most a **one-line tag**
-//!    (Practice 9). The harness field [`HollowDeclarationSite::coincidence_evidence`]
-//!    is the **structural projection** of that prong for test IR (evidence present vs absent).
-//!
-//! **Exempt:** kernel-ambient atoms — `Bool`, `Char`, and the other **irreducible**
-//! substrate atoms (`src/v4/STRUCTURE.md` §Kernel-ambient types) — are legitimately atomic.
-//! [`ModeledSubject::KernelAmbientAtom`] short-circuits before the three-part `AND`.
-
-#![cfg_attr(not(test), allow(dead_code))]
-// T-30 P5(b): no in-crate production consumer yet — `allow(dead_code)` dissolves with the
-// generated `.dag` gate per `INVARIANTS.md` §P5(b) on this path.
-
-// Practice 4 (coproduct checkpoint, `docs/modeling-discipline.md` §4):
-// 🟢 GREEN — terminal two-variant harness mirror of `std/diagnostic.dag` `Outcome<Bool>`
-// pass/fail tokens (`Produced` / `Rejected`); no third semantic axis at this boundary.
-// Ledger: P5(b) interim Rust mirror only — the *verdict shape* stays this coproduct; a generated
-// `.dag` checker does not add a third outcome variant here.
-// These 🟢/🟡 lines are **harness-side §4 receipts** (dissolution + color), not a claim that
-// arbitrary Rust enums are user `.dag` coproducts — scope stays the hand-built T-30 mirror.
-/// Fail-closed outcome analogue to `std/diagnostic.dag`'s `Outcome<Bool>`
-/// success token (`Produced { value: true }` in the `.dag` spelling).
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum HollowAliasGateOutcome {
-    Produced,
-    Rejected,
-}
-
-// Practice 4 (coproduct checkpoint, `docs/modeling-discipline.md` §4):
-// 🟡 YELLOW — harness IR for Practice 8 condition (2); substrate should own this classification
-// when the T-30 hollow-alias gate is generated from `.dag` / walks structural `Node`.
-// scaffold: dissolve when T-30 `.dag` checker + bootstrap bridge land (`INVARIANTS.md` P5(b)).
-/// Classification of **what** the declaration models for condition (2).
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum ModeledSubject {
-    /// Kernel-ambient atom — **exempt** from the hollow three-prong `AND` (Practice 8 interim).
-    ///
-    /// **Authoritative membership** is `src/v4/STRUCTURE.md` **Kernel-ambient types** (same
-    /// section the module-level doc cites). The substrate names there (`String`, `Int`, …) are
-    /// the spec anchor; this enum variant is **harness / test IR** only until the gate walks
-    /// structural `Node` — when wiring to syntax, keep the exempt set aligned with that doc, not
-    /// with ad hoc renames in tests.
-    KernelAmbientAtom,
-    /// Internal `std` / compiler substrate — not an external spec primitive for (2).
-    InternalStdCarrier,
-    /// External spec names a primitive with its own facts (Practice 8 (2)).
-    ExternalSpecPrimitive,
-}
-
-/// One declaration site’s Practice-8 predicate inputs (structural carrier).
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub struct HollowDeclarationSite {
-    /// Condition (1): bare `type X = Y` or single-field wrapper that adds no own field.
-    pub bare_alias_or_empty_wrapper: bool,
-    /// Condition (2): what the declaration claims to model.
-    pub modeled_subject: ModeledSubject,
-    /// Prong (3): **true** when coincidence evidence is in scope (a `src/v4/DECISIONS.md`
-    /// proof of coincide, cited per Practice 9); **false** supplies the third conjunct for hollow.
-    pub coincidence_evidence: bool,
-}
-
-// Practice 4 (coproduct checkpoint, `docs/modeling-discipline.md` §4):
-// 🟡 YELLOW — interim harness AST discriminator (`Declaration` vs `Group`) until the Practice-8
-// gate walks structural `Node` in the substrate (same T-30 sunset as `ModeledSubject`).
-// scaffold: dissolve when T-30 `.dag` checker + bootstrap bridge land (`INVARIANTS.md` P5(b)).
-/// Classifier for the **minimal** tree the T-30 harness walks.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum HollowGateKind {
-    /// A type/alias declaration site carrying Practice-8 inputs.
-    Declaration(HollowDeclarationSite),
-    /// Transparent grouping node (module, section) — recurse into [`HollowGateNode::children`].
-    Group,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct HollowGateNode {
-    pub kind: HollowGateKind,
-    pub children: Vec<HollowGateNode>,
-}
-
-/// Pure gate entry — Practice 8 structural `Node` analogue (test / harness IR).
-pub fn hollow_alias_gate(root: &HollowGateNode) -> HollowAliasGateOutcome {
-    if hollow_alias_violation_present(root) {
-        HollowAliasGateOutcome::Rejected
-    } else {
-        HollowAliasGateOutcome::Produced
-    }
-}
-
-fn hollow_alias_violation_present(n: &HollowGateNode) -> bool {
-    if let HollowGateKind::Declaration(site) = &n.kind {
-        if declaration_site_is_hollow(site) {
-            return true;
-        }
-    }
-    n.children.iter().any(hollow_alias_violation_present)
-}
-
-fn declaration_site_is_hollow(site: &HollowDeclarationSite) -> bool {
-    if matches!(site.modeled_subject, ModeledSubject::KernelAmbientAtom) {
-        return false;
-    }
-    site.bare_alias_or_empty_wrapper
-        && matches!(site.modeled_subject, ModeledSubject::ExternalSpecPrimitive)
-        && !site.coincidence_evidence
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn decl(site: HollowDeclarationSite) -> HollowGateNode {
-        HollowGateNode {
-            kind: HollowGateKind::Declaration(site),
-            children: Vec::new(),
-        }
-    }
-
-    fn group(children: Vec<HollowGateNode>) -> HollowGateNode {
-        HollowGateNode {
-            kind: HollowGateKind::Group,
-            children,
-        }
-    }
-
-    fn site(bare: bool, subj: ModeledSubject, evidence: bool) -> HollowDeclarationSite {
-        HollowDeclarationSite {
-            bare_alias_or_empty_wrapper: bare,
-            modeled_subject: subj,
-            coincidence_evidence: evidence,
-        }
-    }
-
-    #[test]
-    fn rejects_bare_external_primitive_without_evidence() {
-        let hollow = decl(site(true, ModeledSubject::ExternalSpecPrimitive, false));
-        assert_eq!(hollow_alias_gate(&hollow), HollowAliasGateOutcome::Rejected);
-    }
-
-    #[test]
-    fn accepts_when_not_bare_alias() {
-        let ok = decl(site(false, ModeledSubject::ExternalSpecPrimitive, false));
-        assert_eq!(hollow_alias_gate(&ok), HollowAliasGateOutcome::Produced);
-    }
-
-    #[test]
-    fn accepts_bare_external_with_coincidence_evidence() {
-        let ok = decl(site(true, ModeledSubject::ExternalSpecPrimitive, true));
-        assert_eq!(hollow_alias_gate(&ok), HollowAliasGateOutcome::Produced);
-    }
-
-    #[test]
-    fn accepts_bare_kernel_ambient_without_evidence() {
-        let ok = decl(site(true, ModeledSubject::KernelAmbientAtom, false));
-        assert_eq!(hollow_alias_gate(&ok), HollowAliasGateOutcome::Produced);
-    }
-
-    #[test]
-    fn accepts_bare_internal_std_without_evidence() {
-        let ok = decl(site(true, ModeledSubject::InternalStdCarrier, false));
-        assert_eq!(hollow_alias_gate(&ok), HollowAliasGateOutcome::Produced);
-    }
-
-    #[test]
-    fn rejects_nested_hollow_under_group() {
-        let root = group(vec![decl(site(
-            true,
-            ModeledSubject::ExternalSpecPrimitive,
-            false,
-        ))]);
-        assert_eq!(hollow_alias_gate(&root), HollowAliasGateOutcome::Rejected);
-    }
-}
diff --git a/src/v3/compiler/src/variant_payload_generated.rs b/src/v3/compiler/src/variant_payload_generated.rs
deleted file mode 100644
index 02468a8d583..00000000000
--- a/src/v3/compiler/src/variant_payload_generated.rs
+++ /dev/null
@@ -1,66 +0,0 @@
-// AUTO-GENERATED from `src/v3/lenses/variant_payload.dag` via
-// `emit_rust_module`. Regenerate instead of hand-editing.
-
-#[derive(Clone, Debug)]
-pub enum VariantPayloadShape {
-    Empty,
-    PositionalSingle,
-    NamedFields { _0: Vec<String> },
-}
-#[derive(Clone, Debug)]
-pub enum VariantPayloadShapeLookup {
-    DeclarationMissing,
-    NotPayloadProduct,
-    Found { _0: VariantPayloadShape },
-}
-pub fn conj_field_label(p0: &Field) -> String {
-    ((p0).label).clone()
-}
-pub fn conj_payload_shape(p0: &[Field]) -> VariantPayloadShape {
-    match p0 {
-        [] => VariantPayloadShape::Empty,
-        [__list_head, __list_tail @ ..] => match __list_tail {
-            [] => {
-                if ((__list_head).label == String::from("_0")) {
-                    VariantPayloadShape::PositionalSingle
-                } else {
-                    VariantPayloadShape::NamedFields {
-                        _0: {
-                            let mut __list = Vec::new();
-                            __list.insert(0, ((__list_head).label).clone());
-                            __list
-                        },
-                    }
-                }
-            }
-            [__list_head, __list_tail @ ..] => VariantPayloadShape::NamedFields {
-                _0: (p0)
-                    .iter()
-                    .map(|__map_item| ((__map_item).label).clone())
-                    .collect::<Vec<_>>(),
-            },
-        },
-    }
-}
-pub fn variant_payload_shape(p0: &Dag, p1: &DeclarationId) -> VariantPayloadShapeLookup {
-    match &((p0).declaration_opt(p1).cloned()) {
-        None => VariantPayloadShapeLookup::DeclarationMissing,
-        Some(decl) => match &((decl).connective) {
-            TypeConnective::Conj { children: c } => VariantPayloadShapeLookup::Found {
-                _0: conj_payload_shape(c),
-            },
-            TypeConnective::Atom(_) => VariantPayloadShapeLookup::NotPayloadProduct,
-            TypeConnective::Disj { variants: _ } => VariantPayloadShapeLookup::NotPayloadProduct,
-            TypeConnective::Arrow {
-                inputs: _,
-                output: _,
-                body: _,
-            } => VariantPayloadShapeLookup::NotPayloadProduct,
-            TypeConnective::Cardinality(_) => VariantPayloadShapeLookup::NotPayloadProduct,
-            TypeConnective::Instantiation {
-                template: _,
-                arguments: _,
-            } => VariantPayloadShapeLookup::NotPayloadProduct,
-        },
-    }
-}
diff --git a/src/v3/compiler/src/wall_clock_ratchet_manifest.rs b/src/v3/compiler/src/wall_clock_ratchet_manifest.rs
deleted file mode 100644
index 230013d7191..00000000000
--- a/src/v3/compiler/src/wall_clock_ratchet_manifest.rs
+++ /dev/null
@@ -1,121 +0,0 @@
-//! Interim per-test wall-clock **warn-token** projection for CI (`slow_test_exemptions`
-//! paydown path) — reads modeled rows in `dsl/gunbc/test_node_wall_clock_ratchet.dag`
-//! instead of a checked-in JSONL side file. **Not** R3 gate **#102** closure: #102’s
-//! pass target is ratchet policy from `TestNodeCostDimension` / modeled timing facts,
-//! not a maintained warn-name list.
-
-use crate::dag::{FieldValue, LiteralBits, ValueBody};
-use crate::Dag;
-
-/// Repo-relative path to the modeled warn-token table (single edit surface).
-pub const RATCHET_DAG_REL_PATH: &str = "dsl/gunbc/test_node_wall_clock_ratchet.dag";
-
-/// One JSON object per line: `{"test":"<libtest token>","policy":"warn"}` — the
-/// shape `scripts/check-test-timeout.sh` / `jq` already consume.
-pub fn emit_warn_policy_jsonl_lines(dag: &Dag) -> Result<Vec<String>, String> {
-    let decl = dag
-        .declaration_by_name("wall_clock_warn_libtest_tokens")
-        .ok_or_else(|| {
-            "missing `wall_clock_warn_libtest_tokens` data row in ratchet .dag".to_string()
-        })?;
-    let body = decl
-        .value_body
-        .as_ref()
-        .ok_or_else(|| "wall_clock_warn_libtest_tokens: no value_body".to_string())?;
-    let ValueBody::List(rows) = body else {
-        return Err(format!(
-            "wall_clock_warn_libtest_tokens: expected ValueBody::List, got {body:?}"
-        ));
-    };
-    let mut out = Vec::with_capacity(rows.len());
-    for (idx, row) in rows.iter().enumerate() {
-        let fields = match row {
-            FieldValue::Record(f) => f.as_slice(),
-            other => {
-                return Err(format!(
-                    "row {idx}: expected record `WallClockWarnLibtestToken`, got {other:?}"
-                ));
-            }
-        };
-        let test_val = fields
-            .iter()
-            .find(|(l, _)| l == "test")
-            .map(|(_, v)| v)
-            .ok_or_else(|| format!("row {idx}: missing `test` field"))?;
-        let test = match test_val {
-            FieldValue::Literal(LiteralBits::String(s)) => s.as_str(),
-            other => {
-                return Err(format!(
-                    "row {idx}: `test` must be a String literal, got {other:?}"
-                ));
-            }
-        };
-        out.push(format!(
-            "{{\"test\":{},\"policy\":\"warn\"}}",
-            json_escape_string(test)
-        ));
-    }
-    Ok(out)
-}
-
-fn json_escape_string(s: &str) -> String {
-    let mut out = String::with_capacity(s.len() + 2);
-    out.push('"');
-    for ch in s.chars() {
-        match ch {
-            '"' => out.push_str("\\\""),
-            '\\' => out.push_str("\\\\"),
-            '\n' => out.push_str("\\n"),
-            '\r' => out.push_str("\\r"),
-            '\t' => out.push_str("\\t"),
-            c if c.is_control() => {
-                use std::fmt::Write;
-                let _ = write!(&mut out, "\\u{:04x}", c as u32);
-            }
-            c => out.push(c),
-        }
-    }
-    out.push('"');
-    out
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use crate::compile_to_dag;
-    use serde_json::Value;
-    use std::path::PathBuf;
-
-    fn load_ratchet_dag() -> Dag {
-        let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-        let path = manifest_dir.join("../../../dsl/gunbc/test_node_wall_clock_ratchet.dag");
-        let source = std::fs::read_to_string(&path).unwrap_or_else(|e| {
-            panic!("read {}: {e}", path.display());
-        });
-        compile_to_dag(&source, path.to_string_lossy().as_ref()).unwrap_or_else(|err| {
-            panic!("compile {}: {err:?}", path.display());
-        })
-    }
-
-    #[test]
-    fn ratchet_dag_warn_manifest_lines_are_parseable_warn_policy_objects() {
-        let dag = load_ratchet_dag();
-        let lines = emit_warn_policy_jsonl_lines(&dag).expect("emit");
-        for (idx, line) in lines.iter().enumerate() {
-            let v: Value = serde_json::from_str(line)
-                .unwrap_or_else(|e| panic!("line {idx} must be JSON: {e}; got {line:?}"));
-            let obj = v.as_object().unwrap_or_else(|| {
-                panic!("line {idx} must be a JSON object; got {v:?}");
-            });
-            assert!(
-                obj.get("test").and_then(Value::as_str).is_some(),
-                "line {idx} must have string `test`"
-            );
-            assert_eq!(
-                obj.get("policy").and_then(Value::as_str),
-                Some("warn"),
-                "line {idx} must have policy=warn"
-            );
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/HANDOFF_PHASE0.md b/src/v3/compiler/tests/HANDOFF_PHASE0.md
deleted file mode 100644
index 639dd159c4e..00000000000
--- a/src/v3/compiler/tests/HANDOFF_PHASE0.md
+++ /dev/null
@@ -1,182 +0,0 @@
-# Handoff — Phase 0: test-duration ratchet + layer taxonomy
-
-Phase 0 worker (`quick-crab-901`) owns measurement infrastructure and
-narrow directory reorg only. Test semantics are unchanged. Deeper
-migrations (m0_acceptance, m1_substrate, lens tests, thesis tests)
-are explicitly out of scope and move under their own workers.
-
-**Scope clarification — this PR is the report-only baseline.** The
-acceptance-criterion phrasing "CI fails on any test >2s" was split
-across two PRs by design:
-- **This PR (quick-crab-901)** lands the ratchet script, the exemption
-  manifest, the CI step, and the directory reorg. The CI step runs the
-  ratchet and publishes violations in the log, but is
-  `continue-on-error: true`, so main still merges with arbitrarily
-  slow per-test timings. This is the baseline-publication PR.
-- **Follow-up PRs** made the ratchet binding and later replaced the
-  retired free-form `scripts/slow-test-exemptions.txt` table with the
-  structured JSONL bridge at `scripts/test-node-wall-clock-ratchet.jsonl`.
-  The bridge is still an interim side manifest until #102 projects warn
-  policy from modeled `TestNodeCostDimension` timing facts.
-
-Splitting this way keeps the Phase 0 diff narrow (measurement + org
-only) and keeps the paydown decisions in a second diff with an
-attached baseline to justify each entry, instead of landing an
-unpopulated exemption file and a green-but-informative CI step as a
-single contradiction.
-
-## What changed
-
-### 1. Per-test 2s ratchet
-
-- New: `scripts/check-test-timeout.sh` — parses a **pre-captured**
-  libtest log (path passed as `$1`), reads the `<N.NNNs>` trailer on
-  each `ok|FAILED` line, and exits non-zero when any single `#[test]`
-  exceeds the budget (default **2000 ms**, overridable via
-  `TEST_TIMEOUT_MS`). The existing v3 full-suite CI step now runs with
-  `RUSTC_BOOTSTRAP=1 cargo test -- -Z unstable-options --report-time`
-  and tees the output to `/tmp/v3-test-timings.log`; the ratchet step
-  parses that file. This keeps the CI job to a single `cargo test`
-  invocation — no second full-suite run that would starve later
-  quality gates inside the 25-minute v3 job budget. A local-fallback
-  mode (invoke the script with no args) does run `cargo test` itself
-  for users without a captured log.
-- Current warn-policy bridge: `scripts/test-node-wall-clock-ratchet.jsonl`
-  — one JSON object per libtest token, `{"test":"<token>","policy":"warn"}`.
-  Tests named there are tolerated with a `::warning::` line; every other
-  slow test fails the ratchet. This replaced the retired
-  `scripts/slow-test-exemptions.txt` table and removed the old row-count
-  floor.
-- CI step in `.github/workflows/ci.yml` (`v3` job): `v3 tests (per-test
-  2s ratchet)`. It remains `if: always()` so partial timing data is still
-  reported on red runs, but the ratchet is now blocking: unknown tests
-  above the threshold fail the step.
-
-**Why `RUSTC_BOOTSTRAP=1`.** libtest's `--report-time` is still
-unstable on the 1.93 toolchain (tracking issue rust-lang/rust#64888);
-the env var is the narrow unlock for the libtest flag. Migrate off
-when the flag stabilizes or the project adopts `cargo-nextest`
-(native `slow-timeout`).
-
-**Env-scope discipline.** The env var is inherited by every child
-process of `cargo test`, including the `rustc` invocations that the
-boundary tests spawn to exercise the real stable toolchain. That
-would flip those child rustcs into bootstrap mode and break the
-boundary-layer contract (TESTING.md § test layers). Each
-`Command::new("rustc")` spawn site in the test tree therefore calls
-`.env_remove("RUSTC_BOOTSTRAP")`: the shared harness in
-`tests/integration/common/mod.rs::RustcHarness::compile` and the four
-inline spawn sites in `tests/boundary/*`. Any **new** `rustc` spawn
-site must do the same.
-
-### 2. Layer taxonomy
-
-TESTING.md § "Test layers" defines three tiers: `unit` (<5ms),
-`integration` (<100ms), `boundary` (<2s). The directory under
-`tests/` now mirrors that partition.
-
-- `tests/unit/README.md` (new) — documents the convention; empty of
-  `.rs` files on landing. Unit tests today still live in-crate as
-  `#[cfg(test)] mod tests` inside `src/v3/compiler/src/`, per
-  TESTING.md § "Mocks and dependency injection".
-- `tests/integration/` — unchanged location; now one of three
-  taxonomy-named peer dirs.
-- `tests/boundary/README.md` (new) — holds target-language
-  roundtrip tests.
-
-Layer-tagging convention: each test file carries a module-level
-doc comment `//! **Layer:** <unit|integration|boundary> ...`. Grep
-reports the live partition:
-
-```
-grep -rn '\*\*Layer:\*\*' src/v3/compiler/tests/
-```
-
-The **directory is the load-bearing classification**; the header is
-a human-readable echo that keeps the layer visible when reading the
-file on its own.
-
-### 3. Files moved (boundary)
-
-All four target-emission suites moved from `tests/integration/` into
-`tests/boundary/`. Paths only — content and test names unchanged.
-
-| Old | New |
-|---|---|
-| `tests/integration/m1_3_emit_go_test.rs` | `tests/boundary/m1_3_emit_go_test.rs` |
-| `tests/integration/m1_3_emit_rust_test.rs` | `tests/boundary/m1_3_emit_rust_test.rs` |
-| `tests/integration/m1_4_emit_python_test.rs` | `tests/boundary/m1_4_emit_python_test.rs` |
-| `tests/integration/m2_emit_multi_field_struct_variant_test.rs` | `tests/boundary/m2_emit_multi_field_struct_variant_test.rs` |
-
-Mirrored in:
-- `tests/integration.rs` — `#[path]` entries updated.
-- `tests/integration/self_gen0_census_test.rs` — census entries updated for the
-  Phase 0 path rename (net-zero; no new hand-authored files). Today the
-  hand-authored test paths live under `EXPECTED_HAND_AUTHORED_TEST`; an
-  inline comment in the census file explains the Phase 0 reorg.
-
-**Single-binary preservation.** The consolidated `tests/integration.rs`
-binary still includes every file (from `integration/`, `boundary/`,
-and — eventually — `unit/`) via `#[path]`. The one-bootstrap compile
-amortization documented in `tests/integration.rs` holds; no new
-top-level `tests/*.rs` binary was added. The directory names carry
-the taxonomy; the binary carries the compile-cost amortization.
-
-### 4. Layer tags landed
-
-Representative tags added (the mechanism is extensible; not every
-file was touched):
-
-- `tests/boundary/m1_3_emit_go_test.rs` — `Layer: boundary`
-- `tests/boundary/m1_3_emit_rust_test.rs` — `Layer: boundary`
-- `tests/boundary/m1_4_emit_python_test.rs` — `Layer: boundary`
-- `tests/boundary/m2_emit_multi_field_struct_variant_test.rs` — `Layer: boundary`
-- `tests/integration/l1_5_fixed_point_test.rs` — `Layer: integration`
-  (one representative; the dir is the authority)
-
-## Tests now failing or flaky
-
-**None from the reorg itself.** Confirmed:
-- `cargo check -p v3-compiler --tests` clean.
-- `cargo fmt --all --check` clean.
-- `cargo test -p v3-compiler --test integration self_gen0_census_test::` — 6/6 pass.
-- `cargo test -p v3-compiler --test integration -- m1_3_emit_go_test
-  m1_3_emit_rust_test m1_4_emit_python_test
-  m2_emit_multi_field_struct_variant_test` — 48 passed, 9 ignored,
-  0 failed (unchanged vs pre-move).
-
-**Tests the 2s ratchet will likely flag on first CI run** (not
-measured end-to-end in this worker — the full-suite pass costs
-~12–20 min and yields information that belongs in the exemption
-file, not in a narrow reorg diff):
-
-- `m1_5_testgen_test::*` — TESTING.md § "Migration audit" explicitly
-  flags this suite as "over-expensive; reshape or `#[ignore]`-by-default".
-- `lane2_stage_2e_parallelism_test::*` — `.github/workflows/ci.yml`
-  line 111 calls out this suite for redoing full `compile_to_dag`
-  per `#[test]`.
-- `determinism_test::*` — 5× re-emit matrix, release build. Wall-clock
-  per-test is expected to exceed 2s.
-- Some `tests/boundary/*` cases — rustc cold-invocation cost. Per-file
-  `OnceLock<PathBuf>` amortization already in place, but individual
-  `#[test]`s that compile their own harness can still exceed 2s.
-
-## Next steps (unclaimed) — the binding half
-
-1. **Shrink `scripts/test-node-wall-clock-ratchet.jsonl`.** Reuse a
-   CI-shaped `--report-time` log, remove any `{"policy":"warn"}` row
-   whose test now measures at or below 2000 ms, and record the timing
-   evidence in the PR.
-2. **Move warn policy into modeled facts.** Gate #102 remains open until
-   the ratchet consumes modeled `TestNodeCostDimension` timing facts
-   instead of the JSONL bridge. This is the dissolution path for the
-   acceptance criterion "CI fails on any test >2s."
-3. **Paydown (owned by sibling workers).** Each exempt test is a
-   migration target — either speed it up (share bootstrap via
-   `OnceLock`, shrink fixtures, collapse fine-grained cases),
-   reshape it (spot-check instead of exhaustive sweep), or
-   `#[ignore]`-by-default.
-4. **Unit track.** When the tracked `Dag` builder surface lands
-   (TESTING.md § "Mocks over compile"), migrate lens / accessor
-   tests out of `#[cfg(test)]` mod blocks into `tests/unit/*.rs`
-   against the public mocking surface.
diff --git a/src/v3/compiler/tests/boundary/README.md b/src/v3/compiler/tests/boundary/README.md
deleted file mode 100644
index 69dad4060c6..00000000000
--- a/src/v3/compiler/tests/boundary/README.md
+++ /dev/null
@@ -1,38 +0,0 @@
-# tests/boundary/
-
-**Layer:** boundary (TESTING.md § test layers — target-language
-roundtrips; <2s target).
-
-Tests whose subject is an external toolchain (rustc, go, CPython).
-Emitted source is fed to the real compiler/interpreter and the
-output is asserted. These tests are necessarily slower than
-integration tests (cold toolchain invocations cost seconds), but
-each `#[test]` still aims for <2s via per-file `OnceLock<PathBuf>`
-harness caching (see `../integration/common/mod.rs::RustcHarness`).
-
-## Phase 0 contents
-
-Four target-emission suites moved here from `tests/integration/`:
-
-- `m1_3_emit_go_test.rs`    — Go roundtrip
-- `m1_3_emit_rust_test.rs`  — rustc roundtrip (module + standalone)
-- `m1_4_emit_python_test.rs` — CPython roundtrip
-- ~~`m2_emit_multi_field_struct_variant_test.rs`~~ — dissolved F.14; see
-  `tests/dag/boundary_emit_gates.template.dag` (`m2-*` subcommands)
-
-Files are still included from the consolidated `tests/integration.rs`
-binary via `#[path = "boundary/…"]` — the directory carries the
-taxonomy, the binary carries the compile amortization.
-
-## Adding a file here
-
-Header:
-
-```rust
-//! **Layer:** boundary (TESTING.md § test layers — <toolchain> roundtrip).
-```
-
-Register in `tests/integration.rs` with
-`#[path = "boundary/<name>.rs"] mod <name>;` and add the workspace-
-relative path to `tests/integration/self_gen0_census_test.rs::EXPECTED_HAND_AUTHORED_TEST`
-(boundary tests are the T-PB-B test sub-ratchet).
diff --git a/src/v3/compiler/tests/boundary/l5_cross_target_consistency.rs b/src/v3/compiler/tests/boundary/l5_cross_target_consistency.rs
deleted file mode 100644
index 917bf6d940b..00000000000
--- a/src/v3/compiler/tests/boundary/l5_cross_target_consistency.rs
+++ /dev/null
@@ -1,169 +0,0 @@
-//! **Layer:** boundary
-//!
-//! R3 §1.8 gate **#15** `l5_cross_target_consistency`: certification corpus with N>0 programs, each
-//! exercised under `ForAllTargets` so emitted Rust, Python, and Go agree on the observed `Int`
-//! stdout carve-out (`docs/r3-actual-close-plan.md` §Gap 2 close criterion). The full-suite test
-//! requires `rustc`, `python3`, and `go` on `PATH` (same host contract as the prior L5 skeleton).
-//! Wired through the consolidated `tests/integration.rs` harness so the gate shares one
-//! bootstrap with the v3-compiler integration binary (see that file’s module docs + TESTING.md).
-
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Dag, FieldValue, LiteralBits};
-use v3_compiler::test_runner::{ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-use crate::common::run_on_larger_stack;
-
-const L5_FIXTURE: &str = include_str!("../fixtures/r3_verification_l5_corpus.dag");
-const L5_FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/r3_verification_l5_corpus.dag";
-const L5_SUITE: &str = "l5_cross_target_consistency";
-
-/// `(fixture declaration id, canonical TestClaim.name, authority .v3 bytes)`.
-const L5_CORPUS_AUTHORITY: &[(&str, &str, &str)] = &[
-    (
-        "l5_cross_target_consistency_add_then",
-        "l5_cross_target_consistency",
-        include_str!("../fixtures/r3_l5_corpus/add_then_branch_seed.v3"),
-    ),
-    (
-        "r3_l5_cert_branch_literal_true",
-        "r3_l5_cert_branch_literal_true",
-        include_str!("../fixtures/r3_l5_corpus/branch_literal_true_seed.v3"),
-    ),
-    (
-        "r3_l5_cert_branch_literal_false",
-        "r3_l5_cert_branch_literal_false",
-        include_str!("../fixtures/r3_l5_corpus/branch_literal_false_seed.v3"),
-    ),
-    (
-        "r3_l5_cert_nested_branch",
-        "r3_l5_cert_nested_branch",
-        include_str!("../fixtures/r3_l5_corpus/nested_branch_seed.v3"),
-    ),
-];
-
-static L5_DAG: OnceLock<Dag> = OnceLock::new();
-
-fn cached_l5_dag() -> &'static Dag {
-    L5_DAG.get_or_init(|| match compile_to_dag(L5_FIXTURE, L5_FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{L5_FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{L5_FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {L5_FIXTURE_PATH}: {other:?}"),
-    })
-}
-
-#[test]
-fn l5_certification_corpus_sources_match_authority_files() {
-    let dag = cached_l5_dag();
-    for &(decl_name, claim_name, authority) in L5_CORPUS_AUTHORITY {
-        let claim_decl = dag.declaration_by_name(decl_name).unwrap_or_else(|| {
-            panic!("missing `{decl_name}` in {L5_FIXTURE_PATH}");
-        });
-        let claim = TestClaimValue::from_declaration(claim_decl).unwrap_or_else(|reason| {
-            panic!("`{decl_name}` should lower to a structural TestClaim: {reason}");
-        });
-        assert_eq!(
-            claim.claim_name, claim_name,
-            "`TestClaim.name` must match corpus table for `{decl_name}`"
-        );
-        assert_eq!(
-            claim.source, authority,
-            "`TestClaim.source` must equal `{decl_name}` authority .v3 bytes"
-        );
-    }
-}
-
-#[test]
-fn l5_cross_target_consistency_gate_claim_predicate_shape() {
-    run_on_larger_stack(|| {
-        let dag = cached_l5_dag();
-        let claim_decl = dag
-            .declaration_by_name("l5_cross_target_consistency_add_then")
-            .expect("missing l5_cross_target_consistency_add_then");
-        let claim = TestClaimValue::from_declaration(claim_decl).expect("structural TestClaim");
-        assert_eq!(claim.claim_name, "l5_cross_target_consistency");
-        let FieldValue::Variant { payload, .. } = &claim.predicate else {
-            panic!("L5 predicate must lower to a structural ForAllTargets variant");
-        };
-        let [FieldValue::Literal(LiteralBits::String(command)), FieldValue::List(args), FieldValue::Literal(LiteralBits::Int(expect_exit_code)), FieldValue::Reference(input_ref)] =
-            payload.as_slice()
-        else {
-            panic!(
-                "L5 ForAllTargets must carry inert command triple plus ProgramOutputBind input_ref, got {payload:?}"
-            );
-        };
-        assert_eq!(command, "true");
-        assert!(args.is_empty());
-        assert_eq!(expect_exit_code, "0");
-        assert_eq!(
-            dag.declaration(*input_ref).name.as_deref(),
-            Some("r3_l5_gate_program_output"),
-            "L5 ForAllTargets must structurally select the gate ProgramOutputBind"
-        );
-        let required_toolchains: Vec<_> = claim
-            .requires
-            .iter()
-            .map(|requirement| match requirement {
-                FieldValue::Record(fields) => match fields.as_slice() {
-                    [(label, FieldValue::Reference(id))] if label == "target" => dag
-                        .declaration(*id)
-                        .name
-                        .as_deref()
-                        .unwrap_or("<anonymous>")
-                        .to_string(),
-                    other => panic!(
-                        "L5 `requires` entry must be ResourceReference {{ target }}, got {other:?}"
-                    ),
-                },
-                other => {
-                    panic!("L5 `requires` entry must be a ResourceReference record, got {other:?}")
-                }
-            })
-            .collect();
-        assert_eq!(
-            required_toolchains,
-            ["L5RustcToolchain", "L5Python3Toolchain", "L5GoToolchain"],
-            "L5 ForAllTargets must declare host toolchain requirements structurally on TestClaim.requires"
-        );
-    });
-}
-
-#[test]
-fn l5_cross_target_consistency_suite_passes_all_corpus_rows() {
-    run_on_larger_stack(|| {
-        let dag = cached_l5_dag();
-        let results = TestRunner::new(dag).run_suite(L5_SUITE);
-        assert_eq!(
-            results.len(),
-            L5_CORPUS_AUTHORITY.len(),
-            "`{L5_SUITE}` should run one receipt per certification program"
-        );
-        let expected_names: Vec<_> = L5_CORPUS_AUTHORITY
-            .iter()
-            .map(|(_, name, _)| *name)
-            .collect();
-        let actual_names: Vec<_> = results.iter().map(|r| r.claim_name.as_str()).collect();
-        assert_eq!(
-            actual_names, expected_names,
-            "suite claim order / naming drift — update L5_CORPUS_AUTHORITY (fixture is authority)"
-        );
-        assert!(
-            results
-                .iter()
-                .all(|r| matches!(r.result, ClaimResult::Pass)),
-            "every corpus row should Pass ForAllTargets Rust/Python/Go Int parity; got {results:?}"
-        );
-    });
-}
diff --git a/src/v3/compiler/tests/boundary/m1_3_emit_go_test.rs b/src/v3/compiler/tests/boundary/m1_3_emit_go_test.rs
deleted file mode 100644
index f35b5340c1b..00000000000
--- a/src/v3/compiler/tests/boundary/m1_3_emit_go_test.rs
+++ /dev/null
@@ -1,545 +0,0 @@
-//! **Layer:** boundary (TESTING.md § test layers — class-5 Go toolchain
-//! roundtrip).
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-use crate::common::cached_compile_to_dag;
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit::{
-    emit, emit_go_module_text as emit_go_module, emit_go_text as emit_go, emit_module, EmitTarget,
-};
-use v3_compiler::emit_rust::emit_rust;
-
-static ROUNDTRIP_ID: AtomicUsize = AtomicUsize::new(0);
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("unused_parameters.dag")
-}
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read unused_parameters.dag")
-}
-
-fn next_roundtrip_dir() -> PathBuf {
-    let id = ROUNDTRIP_ID.fetch_add(1, Ordering::Relaxed);
-    std::env::temp_dir().join(format!(
-        "v3_emit_go_roundtrip_{}_{}",
-        std::process::id(),
-        id
-    ))
-}
-
-fn rust_stdout(source: &str) -> String {
-    let dag = cached_compile_to_dag(source, "parity.v3");
-    let rendered = emit_rust(&dag).expect("emits rust");
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("main.rs");
-    let bin_path = tmp_dir.join("main_bin");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write rust source");
-
-    let compile = Command::new("rustc")
-        // See common::RustcHarness::compile: strip RUSTC_BOOTSTRAP so the ratchet
-        // CI step's libtest unlock does not leak into child rustc invocations.
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .stdout(Stdio::inherit())
-        .stderr(Stdio::inherit())
-        .status()
-        .expect("invoke rustc");
-    assert!(
-        compile.success(),
-        "rustc failed on emitted source:\n{rendered}"
-    );
-
-    let run = Command::new(&bin_path).output().expect("run rust binary");
-    assert!(run.status.success(), "compiled rust binary failed");
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-fn go_stdout(source: &str) -> Option<String> {
-    let go_available = Command::new("go")
-        .arg("version")
-        .stdout(Stdio::null())
-        .stderr(Stdio::null())
-        .status()
-        .ok()
-        .is_some_and(|status| status.success());
-    if !go_available {
-        return None;
-    }
-
-    let dag = cached_compile_to_dag(source, "parity.v3");
-    let rendered = emit(&dag, EmitTarget::Go).expect("emits go").text;
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("main.go");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write go source");
-
-    let run = Command::new("go")
-        .arg("run")
-        .arg(&src_path)
-        .current_dir(&tmp_dir)
-        .output()
-        .expect("invoke go");
-    assert!(
-        run.status.success(),
-        "go run failed on emitted source:\n{}\nstdout:\n{}\nstderr:\n{}",
-        rendered,
-        String::from_utf8_lossy(&run.stdout),
-        String::from_utf8_lossy(&run.stderr)
-    );
-    Some(String::from_utf8_lossy(&run.stdout).trim().to_string())
-}
-
-#[test]
-fn emit_go_bool_logical_ops_use_spec_carriers() {
-    let source = "let x: Bool = true && false || true\n";
-    let dag = compile_to_dag(source, "bool_logic_go.v3").expect("compiles");
-    let rendered = emit(&dag, EmitTarget::Go).expect("emits go").text;
-    assert!(
-        rendered.contains("&&") && rendered.contains("||"),
-        "expected Go `&&` / `||` from Bool OperatorRealization rows; got:\n{rendered}"
-    );
-}
-
-// unused_parameters.dag contains recursive helpers (walk_steps etc.) that
-// lower to Behavior::Loop. emit_go renders those by emitting the body DAG's
-// result port, which preserves the recursive self-calls — Go supports
-// recursion natively, so the emitted code is semantically correct.
-#[test]
-fn emit_go_lens_unused_parameters_module() {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compiled lens source");
-    let rendered = emit_module(&dag, EmitTarget::Go)
-        .expect("emits go module")
-        .text;
-
-    assert!(rendered.contains("package emitted"), "got: {rendered}");
-    assert!(
-        rendered.contains("type UnusedParameter struct"),
-        "got: {rendered}"
-    );
-    assert!(rendered.contains("func check("), "got: {rendered}");
-    assert!(rendered.contains("switch v := any("), "got: {rendered}");
-    assert!(
-        !rendered.contains(".clone("),
-        "GC target should not render Rust clone calls: {rendered}"
-    );
-}
-
-#[test]
-fn emit_go_and_rust_programs_are_behaviorally_equivalent_when_go_is_available() {
-    let source = "\
-fn double(x: Int) -> Int = x + x
-let result: Int = if double(20) == 40 then 7 else 9
-    ";
-    let rust = rust_stdout(source);
-    let Some(go) = go_stdout(source) else {
-        return;
-    };
-    assert_eq!(rust, go, "Rust and Go outputs diverged");
-}
-
-/// E-5 / Lane 1 Stage 1c PR 2 pilot — unused match-arm payload
-/// bindings are elided under `go_clean_emission.pattern_bindings =
-/// EmitUnderscoreWhenUnused`. Before the pilot the Go emitter
-/// rendered `case Boxed: value := v._0; return 0`, which Go rejects
-/// with `value declared but not used`. After the pilot the arm
-/// renders `case Boxed: return 0`, and because no arm binds through
-/// `v` anymore the switch header drops `v :=` to keep `v` from
-/// becoming the new unused local.
-#[test]
-fn emit_go_unused_payload_binding_is_elided() {
-    let source = "\
-type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(value) => 0, Empty => 1 }
-let zero: Int = 0
-";
-    let dag = cached_compile_to_dag(source, "clean_emission.v3");
-    let rendered = emit(&dag, EmitTarget::Go).expect("emits go").text;
-    assert!(
-        !rendered.contains("value := v._0"),
-        "expected unused payload binding to be elided, got: {rendered}"
-    );
-    assert!(
-        !rendered.contains("value := v"),
-        "expected unused payload binding to be elided, got: {rendered}"
-    );
-    assert!(
-        rendered.contains("case Boxed:"),
-        "expected the Boxed arm to still be present, got: {rendered}"
-    );
-    assert!(
-        rendered.contains("case Empty:"),
-        "expected the Empty arm to still be present, got: {rendered}"
-    );
-    assert!(
-        rendered.contains("switch any(") && !rendered.contains("switch v := any("),
-        "expected the type-switch header to drop `v :=` when no arm binds, got: {rendered}"
-    );
-}
-
-/// E-5 / Lane 1 Stage 1c PR 2 — when at least one arm consumes its
-/// payload, the emitter must keep emitting `v :=` and route reads
-/// through the type-switch witness. Companion regression test to
-/// `emit_go_unused_payload_binding_is_elided`; proves elision is
-/// keyed on port liveness per arm, not blanket suppression.
-#[test]
-fn emit_go_used_payload_binding_is_preserved() {
-    let source = "\
-type BoxedInt = Boxed(Int) | Empty
-fn unwrap_or_zero(b: BoxedInt) -> Int = match b { Boxed(value) => value, Empty => 0 }
-let zero: Int = 0
-";
-    let dag = cached_compile_to_dag(source, "clean_emission.v3");
-    let rendered = emit(&dag, EmitTarget::Go).expect("emits go").text;
-    assert!(
-        rendered.contains("case Boxed: return v._0"),
-        "used positional payload must still read from the type-switch witness, got: {rendered}"
-    );
-    assert!(
-        rendered.contains("switch v := any("),
-        "expected `v :=` to remain when any arm binds, got: {rendered}"
-    );
-}
-
-#[test]
-fn emit_go_named_single_field_payload_uses_the_variant_value() {
-    let source = "\
-type Point { x: Int y: Int }
-type Wrapped = Wrap { inner: Point } | Empty
-fn unwrap_or_zero(w: Wrapped) -> Int = match w { Wrap(payload) => payload.inner.x, Empty => 0 }
-let zero: Int = 0
-";
-    let dag = cached_compile_to_dag(source, "variant_payload_named_single.v3");
-    let rendered = emit(&dag, EmitTarget::Go).expect("emits go").text;
-    assert!(
-        rendered.contains("case Wrap: return ((v).inner).x"),
-        "named single-field payload access must project from the variant value, got: {rendered}"
-    );
-    assert!(
-        !rendered.contains("payload := v.inner"),
-        "named single-field payload must not rebind to the bare field value, got: {rendered}"
-    );
-}
-
-/// E-5 / Lane 1 Stage 1c PR 2 roundtrip — emitted Go with an unused
-/// payload binding compiles and runs under `go run`. Proves the
-/// pilot fires end-to-end against Go's unused-local compile error,
-/// not just that the emission string looks right.
-///
-/// Gated behind `#[ignore]` like the other `go_*` roundtrips — CI
-/// sandboxes don't always carry a Go toolchain. Run locally:
-///
-///     cargo test -p v3-compiler --test m1_3_emit_go_test \
-///         emit_go_unused_payload_binding_compiles \
-///         -- --ignored --nocapture
-#[test]
-#[ignore]
-fn emit_go_unused_payload_binding_compiles() {
-    let source = "\
-type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(value) => 0, Empty => 1 }
-let result: Int = ignore_payload(Empty)
-";
-    let Some(stdout) = go_stdout(source) else {
-        return;
-    };
-    assert_eq!(stdout, "1");
-}
-
-/// E-5 / Lane 1 Stage 1c PR 4 — emitted Go passes
-/// `go_clean_emission.post_emit_verifier` as invoked through the
-/// shared harness. The verifier (gofmt -l + RequireEmptyStdout)
-/// enforces format-cleanliness by construction — gofmt lists
-/// ill-formatted files on stdout while exiting 0, so the output
-/// policy is the load-bearing verdict channel, not the exit code.
-///
-/// Gated behind `#[ignore]` like the other `go_*` roundtrips — CI
-/// sandboxes don't always carry a Go toolchain. Run locally:
-///
-///     cargo test -p v3-compiler --test m1_3_emit_go_test \
-///         go_pilot_source_passes_post_emit_verifier_harness \
-///         -- --ignored --nocapture
-#[test]
-#[ignore]
-fn go_pilot_source_passes_post_emit_verifier_harness() {
-    use v3_compiler::post_emit_verifier::{parse_post_emit_verifier, run_post_emit_verifier};
-    let go_available = Command::new("gofmt")
-        .arg("-h")
-        .stdout(Stdio::null())
-        .stderr(Stdio::null())
-        .status()
-        .ok()
-        .is_some_and(|status| status.code().is_some());
-    if !go_available {
-        return;
-    }
-    let source = "\
-type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(value) => 0, Empty => 1 }
-let result: Int = ignore_payload(Empty)
-";
-    let dag = cached_compile_to_dag(source, "go_post_emit_verifier.v3");
-    let spec = dag
-        .go_clean_emission_spec()
-        .expect("go_clean_emission cached");
-    let binding = parse_post_emit_verifier(&dag, spec).expect("parse contract");
-    let rendered = emit(&dag, EmitTarget::Go).expect("emits go").text;
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("main.go");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write go source");
-    run_post_emit_verifier(&binding, &src_path)
-        .expect("go post_emit_verifier rejected pilot source — E-5 contract regression");
-}
-
-/// Direct receipt that a plain recursive user function lowers through
-/// `Behavior::Loop` and emits correct Go. The source uses descent-provable
-/// recursion (first arg decrements by 1), so it lowers to a Cardinality-bound
-/// Loop. Comparing against the Rust baseline proves the body-port rendering
-/// preserves the recursive self-call and produces the right result.
-///
-/// Gated `#[ignore]` — CI sandboxes may not carry `go`.
-/// Run locally:
-///     cargo test -p v3-compiler --test integration \
-///         emit_go_recursive_fn_matches_rust_result -- --ignored --nocapture
-#[test]
-#[ignore]
-fn emit_go_recursive_fn_matches_rust_result() {
-    let source = "\
-fn count(n: Int) -> Int = if n == 0 then 0 else 1 + count(n - 1)
-let result: Int = count(6)
-";
-    // Structural: Loop node must be present in the lowered DAG.
-    let dag = cached_compile_to_dag(source, "recursive_loop_receipt.v3");
-    let has_loop = dag
-        .nodes()
-        .iter()
-        .any(|b| matches!(b, v3_compiler::dag::Behavior::Loop(_)));
-    assert!(has_loop, "recursive fn must lower to Behavior::Loop");
-
-    let rust = rust_stdout(source);
-    let Some(go) = go_stdout(source) else { return };
-    assert_eq!(rust, go, "Rust and Go diverged on recursive fn output");
-    assert_eq!(rust, "6", "count(6) must output 6");
-}
-
-#[test]
-fn emit_go_wrapper_matches_shared_entrypoint() {
-    let program_source = "\
-fn double(x: Int) -> Int = x + x
-let result: Int = double(21)
-";
-    let program_dag =
-        compile_to_dag(program_source, "emit_go_wrapper_program_parity.v3").expect("compiles");
-    let shared = emit(&program_dag, EmitTarget::Go)
-        .expect("shared emit")
-        .text;
-    let wrapper = emit_go(&program_dag).expect("wrapper emit");
-    assert_eq!(shared, wrapper, "emit_go wrapper drifted from emit::emit");
-
-    let module_source = "\
-fn double(x: Int) -> Int = x + x
-";
-    let module_dag =
-        compile_to_dag(module_source, "emit_go_wrapper_module_parity.v3").expect("compiles");
-    let shared_module = emit_module(&module_dag, EmitTarget::Go)
-        .expect("shared module emit")
-        .text;
-    let wrapper_module = emit_go_module(&module_dag).expect("wrapper module emit");
-    assert_eq!(
-        shared_module, wrapper_module,
-        "emit_go_module wrapper drifted from emit::emit_module"
-    );
-}
-
-#[test]
-fn emit_go_fails_closed_on_div_prelude_diverror_collision() {
-    let dag = compile_to_dag(
-        "type DivError = Bad | Worse\n\
-let x = 6 / 2",
-        "go_diverror_collision.v3",
-    )
-    .expect("compiles");
-    let err = emit_go(&dag).expect_err("Go emit must reject DivError prelude collision");
-    assert!(
-        matches!(err, v3_compiler::EmitError::UnsupportedBehavior(ref message)
-            if message.contains("DivError")),
-        "expected explicit DivError collision error, got {err:?}"
-    );
-}
-
-#[test]
-fn emit_go_emits_diverror_prelude_for_explicit_result_without_division() {
-    let dag = compile_to_dag(
-        "import std.error_primitives { DivError, Result }\n\
-fn passthrough(x: Result<Int, DivError>) -> Result<Int, DivError> = x\n",
-        "go_explicit_result_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_module(&dag, EmitTarget::Go)
-        .expect("emits go module")
-        .text;
-    assert!(
-        out.contains("type DivError int"),
-        "explicit Result<Int, DivError> usage needs DivError prelude even without `/`; got: {out}"
-    );
-}
-
-#[test]
-fn emit_go_emits_result_carrier_for_non_diverror_result_without_division() {
-    let dag = compile_to_dag(
-        "import std.error_primitives { Result }\n\
-fn passthrough(x: Result<Int, String>) -> Result<Int, String> = x\n",
-        "go_explicit_result_string_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_module(&dag, EmitTarget::Go)
-        .expect("emits go module")
-        .text;
-    assert!(
-        out.contains("type v3Result[T any, E any] interface"),
-        "explicit Result<Int, String> usage needs the generic Go Result carrier; got: {out}"
-    );
-    assert!(
-        !out.contains("type DivError int"),
-        "non-DivError Result usage should not emit the integer division error prelude; got: {out}"
-    );
-}
-
-#[test]
-fn emit_go_emits_result_carrier_for_result_field_without_division() {
-    let dag = compile_to_dag(
-        "import std.error_primitives { Result }\n\
-type Holder { value: Result<Int, String> }\n",
-        "go_result_field_string_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_module(&dag, EmitTarget::Go)
-        .expect("emits go module")
-        .text;
-    assert!(
-        out.contains("type v3Result[T any, E any] interface"),
-        "type fields using Result<Int, String> need the generic Go Result carrier; got: {out}"
-    );
-    assert!(
-        !out.contains("type DivError int"),
-        "non-DivError Result fields should not emit the integer division error prelude; got: {out}"
-    );
-}
-
-#[test]
-fn emit_go_emits_diverror_prelude_for_result_field_without_division() {
-    let dag = compile_to_dag(
-        "import std.error_primitives { DivError, Result }\n\
-type Holder { value: Result<Int, DivError> }\n",
-        "go_result_field_diverror_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_module(&dag, EmitTarget::Go)
-        .expect("emits go module")
-        .text;
-    assert!(
-        out.contains("type v3Result[T any, E any] interface"),
-        "type fields using Result<Int, DivError> need the generic Go Result carrier; got: {out}"
-    );
-    assert!(
-        out.contains("type DivError int"),
-        "type fields using Result<Int, DivError> need DivError prelude even without `/`; got: {out}"
-    );
-}
-
-#[test]
-fn emit_go_checked_division_roundtrips_ok_and_errors_when_go_is_available() {
-    let Some(ok) = go_stdout("let x = 6 / 2\n") else {
-        return;
-    };
-    assert_eq!(ok, "{3}");
-
-    let Some(divide_by_zero) = go_stdout("let x = 6 / 0\n") else {
-        return;
-    };
-    assert_eq!(divide_by_zero, "{0}");
-}
-
-#[test]
-fn emit_go_checked_division_prelude_maps_overflow() {
-    let dag = compile_to_dag("let x = 6 / 2\n", "go_div_overflow_prelude.v3").expect("compiles");
-    let out = emit(&dag, EmitTarget::Go).expect("emits go program").text;
-    assert_eq!(
-        out.matches("return v3Err[int64, DivError]{Value: Overflow}")
-            .count(),
-        1,
-        "Go checked-division prelude must map min-int / -1 to Overflow; got: {out}"
-    );
-}
-
-#[test]
-fn emit_go_structural_diverror_signature_uses_substrate_prelude() {
-    let dag = compile_to_dag(
-        "type DivError = DivideByZero | Overflow\n\
-fn passthrough(x: DivError) -> DivError = x\n",
-        "go_user_diverror_signature_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_module(&dag, EmitTarget::Go)
-        .expect("emits go module")
-        .text;
-    assert!(
-        out.contains("func v3intdiv"),
-        "structural DivError signatures use the substrate prelude, independent of source path; got: {out}"
-    );
-    assert!(
-        out.matches("type DivError").count() == 1,
-        "structural DivError should materialize once through the substrate prelude; got: {out}"
-    );
-}
-
-#[test]
-fn emit_go_fails_closed_on_div_prelude_helper_collision() {
-    let dag = compile_to_dag(
-        "fn v3intdiv(a: Int, b: Int) -> Int = a + b\n\
-let x = 6 / 2",
-        "go_div_helper_collision.v3",
-    )
-    .expect("compiles");
-    let err = emit_go(&dag).expect_err("Go emit must reject division helper collision");
-    assert!(
-        matches!(err, v3_compiler::EmitError::UnsupportedBehavior(ref message)
-            if message.contains("v3intdiv")),
-        "expected explicit v3intdiv collision error, got {err:?}"
-    );
-}
-
-#[test]
-fn emit_go_fails_closed_on_div_prelude_top_level_bind_collision() {
-    let dag = compile_to_dag(
-        "let v3intdiv = 0\n\
-let x = 6 / 2",
-        "go_div_helper_bind_collision.v3",
-    )
-    .expect("compiles");
-    let err = emit_go(&dag).expect_err("Go emit must reject division helper bind collision");
-    assert!(
-        matches!(err, v3_compiler::EmitError::UnsupportedBehavior(ref message)
-            if message.contains("v3intdiv")),
-        "expected explicit v3intdiv bind collision error, got {err:?}"
-    );
-}
diff --git a/src/v3/compiler/tests/boundary/m1_3_emit_rust_test.rs b/src/v3/compiler/tests/boundary/m1_3_emit_rust_test.rs
deleted file mode 100644
index d5660dcb3bf..00000000000
--- a/src/v3/compiler/tests/boundary/m1_3_emit_rust_test.rs
+++ /dev/null
@@ -1,1259 +0,0 @@
-//! **Layer:** boundary (TESTING.md § test layers — class-5 rustc roundtrip).
-
-// M1(3) PR-B — Rust emitter acceptance tests.
-//
-// The success criterion the whole plan validates:
-//   `compile_to_dag("let x: Int = 1 + 2").and_then(emit_rust)`
-// produces Rust source that, when fed to `rustc`, compiles and runs
-// producing `3` on stdout.
-//
-// The #[ignore]d `rustc_roundtrip` tests run that whole pipeline;
-// they're gated because CI environments don't always have `rustc`
-// available. Run locally via the consolidated integration binary, e.g.:
-//     cargo test -p v3-compiler --test integration -- --ignored --nocapture
-//
-// Everything else is structural: assert the emitter produced the
-// right substring for each kind of program without depending on
-// exact formatting.
-
-use std::collections::HashSet;
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit::{emit as shared_emit, emit_module as shared_emit_module, EmitTarget};
-use v3_compiler::emit_rust::{emit_rust, emit_rust_module};
-use v3_compiler::r1c_e_gates;
-use v3_compiler::test_runner::TestClaimValue;
-use v3_compiler::types::TypeShape;
-
-use crate::common::determinism_fixtures::{
-    ReflectedExpected, PROGRAM_FIXTURES, REFLECTED_FIXTURES,
-};
-use crate::common::RustcHarness;
-
-static HARNESS: OnceLock<RustcHarness> = OnceLock::new();
-fn harness() -> &'static RustcHarness {
-    HARNESS.get_or_init(|| RustcHarness::new("emit_rust"))
-}
-
-fn emit(source: &str) -> String {
-    let dag = compile_to_dag(source, "test.v3").expect("compiles");
-    emit_rust(&dag).expect("emits")
-}
-
-fn emit_module(source: &str) -> String {
-    let dag = compile_to_dag(source, "test.v3").expect("compiles");
-    emit_rust_module(&dag).expect("emits module")
-}
-
-/// Ratchet for `Dag::first_class_fn_walk_bootstrap_prune_type_shapes` (emit
-/// `decl_includes_first_class_arrow_data` algebra short-circuit): the ordered
-/// triple must match `int_shape` / `bool_shape` / `string_shape`, and the three
-/// roots are distinct. Adding `float_shape()` without extending the helper
-/// `-> [TypeShape; 3]` becomes a compile break first; extending the array
-/// re-triggers a review of this test (PR #676, Opus).
-#[test]
-fn bootstrap_first_class_fn_prune_ratchets_dag_scalar_shape_getters() {
-    let dag = compile_to_dag("let _x: Int = 0\n", "t.v3").expect("compiles");
-    let via_helper: [TypeShape; 3] = dag.first_class_fn_walk_bootstrap_prune_type_shapes();
-    assert_eq!(via_helper[0], dag.int_shape().expect("Int"));
-    assert_eq!(via_helper[1], dag.bool_shape().expect("Bool"));
-    assert_eq!(via_helper[2], dag.string_shape().expect("String"));
-    let distinct: HashSet<_> = via_helper.iter().map(|s| s.declaration).collect();
-    assert_eq!(
-        distinct.len(),
-        3,
-        "Int/Bool/String bootstrap roots for first-class-`fn` walk prune must be \
-         three distinct `DeclarationId`s; if this fails after adding a new primitive, \
-         extend `first_class_fn_walk_bootstrap_prune_type_shapes` in the same PR"
-    );
-}
-
-fn r1_gate_claim_source(claim_name: &str) -> String {
-    let gate_path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("tests/fixtures/r1_gates.dag");
-    let gate_source = std::fs::read_to_string(&gate_path)
-        .unwrap_or_else(|err| panic!("read {gate_path:?}: {err}"));
-    let gate_dag = compile_to_dag(&gate_source, "src/v3/compiler/tests/fixtures/r1_gates.dag")
-        .expect("r1_gates.dag compiles");
-    let claim = gate_dag
-        .declaration_by_name(claim_name)
-        .unwrap_or_else(|| panic!("claim `{claim_name}` not found"));
-    TestClaimValue::from_declaration(claim)
-        .unwrap_or_else(|reason| panic!("claim `{claim_name}` should lower structurally: {reason}"))
-        .source
-}
-
-#[test]
-fn emit_rust_bool_logical_ops_use_spec_carriers() {
-    let src = "let x: Bool = true && false || true\n";
-    let out = emit(src);
-    assert!(
-        out.contains("&&") && out.contains("||"),
-        "expected Rust `&&` / `||` from Bool OperatorRealization rows; got:\n{out}"
-    );
-}
-
-#[test]
-fn emit_rust_bool_alias_logical_ops_use_base_operator_realization() {
-    // Bool literals type as kernel `Bool`, so exercise `&&` / `||` on `MyBool`
-    // parameters (operand ports carry the alias id while spec rows key `Bool`).
-    let src = "\
-type MyBool = Bool
-fn f(a: MyBool, b: MyBool) -> MyBool = a && b
-fn g(a: MyBool, b: MyBool) -> MyBool = a || b
-";
-    let out = emit_module(src);
-    assert!(
-        out.contains("&&") && out.contains("||"),
-        "expected alias-of-Bool to reuse Bool OperatorRealization carriers; got:\n{out}"
-    );
-}
-
-#[test]
-fn emit_rust_wrappers_match_shared_entrypoint() {
-    let program_source = "\
-fn double(x: Int) -> Int = x + x
-let result: Int = double(21)
-";
-    let program_dag =
-        compile_to_dag(program_source, "emit_rust_wrapper_program_parity.v3").expect("compiles");
-    let shared = shared_emit(&program_dag, EmitTarget::Rust)
-        .expect("shared emit")
-        .text;
-    let wrapper = emit_rust(&program_dag).expect("wrapper emit");
-    assert_eq!(shared, wrapper, "emit_rust wrapper drifted from emit::emit");
-
-    let module_source = "\
-fn double(x: Int) -> Int = x + x
-";
-    let module_dag =
-        compile_to_dag(module_source, "emit_rust_wrapper_module_parity.v3").expect("compiles");
-    let shared_module = shared_emit_module(&module_dag, EmitTarget::Rust)
-        .expect("shared module emit")
-        .text;
-    let wrapper_module = emit_rust_module(&module_dag).expect("wrapper module emit");
-    assert_eq!(
-        shared_module, wrapper_module,
-        "emit_rust_module wrapper drifted from emit::emit_module"
-    );
-}
-
-fn roundtrip_stdout(source: &str) -> String {
-    let source = emit(source);
-
-    let tmp_dir = harness().next_child_dir();
-    let src_path = tmp_dir.join("main.rs");
-    let bin_path = tmp_dir.join("main_bin");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write rust source");
-
-    let compile = Command::new("rustc")
-        // See common::RustcHarness::compile: strip RUSTC_BOOTSTRAP so the ratchet
-        // CI step's libtest unlock does not leak into child rustc invocations.
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .stdout(Stdio::inherit())
-        .stderr(Stdio::inherit())
-        .status()
-        .expect("invoke rustc — install a rust toolchain to run this test");
-    assert!(
-        compile.success(),
-        "rustc failed on emitted source:\n{source}"
-    );
-
-    let run = Command::new(&bin_path)
-        .output()
-        .expect("run compiled binary");
-    assert!(run.status.success(), "compiled binary failed");
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-/// Batched program fixture harness (shared with R1C-E `r1c_e_emit_gates`).
-fn run_program(name: &str) -> String {
-    r1c_e_gates::run_rust_program_fixture(name)
-}
-
-fn program_expected(name: &str) -> &'static str {
-    PROGRAM_FIXTURES
-        .iter()
-        .find(|f| f.name == name)
-        .unwrap_or_else(|| panic!("no PROGRAM_FIXTURES entry for {name:?}"))
-        .expected_stdout
-}
-
-/// Batched reflected-module fixture harness (shared with R1C-E `r1c_e_emit_gates`).
-fn run_reflected(name: &str) -> String {
-    r1c_e_gates::run_rust_reflected_fixture(name)
-}
-
-fn reflected_expected(name: &str) -> &'static ReflectedExpected {
-    &REFLECTED_FIXTURES
-        .iter()
-        .find(|f| f.module.name == name)
-        .unwrap_or_else(|| panic!("no REFLECTED_FIXTURES entry for {name:?}"))
-        .expected_stdout
-}
-
-#[test]
-fn emit_rust_single_int_binding() {
-    let out = emit("let x: Int = 42");
-    assert!(out.contains("let x: i64 = 42;"), "got: {out}");
-    assert!(out.contains("fn main()"), "got: {out}");
-    assert!(out.contains("println!(\"{}\", x)"), "got: {out}");
-}
-
-/// R3 gate #67 / T-Numeric-Construction — `numeric_construction_demonstration`:
-/// construction syntax `Int<32>` + `Real<64>` (lowers to anonymous `Compose<…, MachineWidth<…>>`)
-/// so the fixture exercises gate-#60 parse/lower + emit structural carrier resolution, not only
-/// named `Int32`/`Real64` aliases. Integer `0` seeds `Real<64>` while float lexemes are absent
-/// (`int_literal_allowed_integral_seed_for_real_decl`).
-const NUMERIC_CONSTRUCTION_DEMONSTRATION_V3: &str = "\
-import std.integer { Int }
-import std.float { Real }
-
-let i: Int<32> = 42
-let _r: Real<64> = 0
-let out: Int<32> = i
-";
-
-#[test]
-fn numeric_construction_demonstration_emit_uses_i32_and_f64_gate_67() {
-    let out = emit(NUMERIC_CONSTRUCTION_DEMONSTRATION_V3);
-    assert!(
-        out.contains("i32") && out.contains("f64"),
-        "expected Rust `i32` + `f64` for Int<32> + Real<64>; got:\n{out}",
-    );
-    assert!(
-        out.contains("42"),
-        "expected emitted Rust to retain int literal 42; got:\n{out}",
-    );
-}
-
-#[test]
-fn numeric_construction_demonstration_rustc_roundtrip_executes_gate_67() {
-    assert_eq!(
-        roundtrip_stdout(NUMERIC_CONSTRUCTION_DEMONSTRATION_V3),
-        "42",
-        "gate #67 end-to-end program should print widened int witness on stdout",
-    );
-}
-
-#[test]
-fn emit_rust_result_top_level_binding_prints_debug_string() {
-    let out = emit(
-        "import std.error_primitives { DivError, Result }\n\
-let x: Result<Int, DivError> = 6 / 2",
-    );
-    assert!(
-        out.contains("let x: ::core::result::Result<i64, DivError> = (__v3_int_div(6, 2));"),
-        "top-level division should lower to the typed Result carrier; got: {out}"
-    );
-    assert!(
-        out.contains("println!(\"{}\", format!(\"{:?}\", x))"),
-        "top-level Result should be converted to a displayable debug string before printing; got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_result_alias_top_level_binding_prints_debug_string() {
-    let out = emit(
-        "import std.error_primitives { DivError, Result }\n\
-type R = Result<Int, DivError>\n\
-let x: R = 6 / 2",
-    );
-    assert!(
-        out.contains("println!(\"{}\", format!(\"{:?}\", x))"),
-        "top-level Result aliases should use the structural Result fact, not rendered type text; got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_checked_division_roundtrips_ok_and_errors() {
-    assert_eq!(roundtrip_stdout("let x = 6 / 2\n"), "Ok(3)");
-    assert_eq!(roundtrip_stdout("let x = 6 / 0\n"), "Err(DivideByZero)");
-}
-
-#[test]
-fn emit_rust_checked_division_prelude_maps_overflow() {
-    let out = emit("let x = 6 / 2\n");
-    assert_eq!(
-        out.matches("return ::core::result::Result::Err(DivError::Overflow);")
-            .count(),
-        1,
-        "Rust checked-division prelude must map i64::MIN / -1 to Overflow; got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_emits_diverror_prelude_for_explicit_result_without_division() {
-    let out = emit_module(
-        "import std.error_primitives { DivError, Result }\n\
-fn passthrough(x: Result<Int, DivError>) -> Result<Int, DivError> = x\n",
-    );
-    assert!(
-        out.contains("pub enum DivError"),
-        "explicit Result<Int, DivError> usage needs DivError prelude even without `/`; got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_emits_diverror_prelude_for_result_field_without_division() {
-    let out = emit_module(
-        "import std.error_primitives { DivError, Result }\n\
-type Holder { value: Result<Int, DivError> }\n",
-    );
-    assert!(
-        out.contains("pub enum DivError"),
-        "type fields using Result<Int, DivError> need DivError prelude even without `/`; got: {out}"
-    );
-    assert!(
-        out.contains("pub value: ::core::result::Result<i64, DivError>"),
-        "type field should render through the Result carrier; got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_omits_div_prelude_without_division() {
-    let out = emit(
-        "type DivError = Bad | Worse\n\
-let x: Int = 42",
-    );
-    assert!(
-        !out.contains("__v3_int_div"),
-        "division helper should only emit when integer division is used; got: {out}"
-    );
-    assert!(
-        out.matches("pub enum DivError").count() == 1,
-        "user DivError should not collide with an unused division prelude; got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_structural_diverror_signature_uses_substrate_prelude() {
-    let out = emit_module(
-        "type DivError = DivideByZero | Overflow\n\
-fn passthrough(x: DivError) -> DivError = x\n",
-    );
-    assert!(
-        out.contains("__v3_int_div"),
-        "structural DivError signatures use the substrate prelude, independent of source path; got: {out}"
-    );
-    assert!(
-        out.matches("pub enum DivError").count() == 1,
-        "structural DivError should materialize once through the substrate prelude; got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_fails_closed_on_div_prelude_diverror_collision() {
-    let dag = compile_to_dag(
-        "type DivError = Bad | Worse\n\
-let x = 6 / 2",
-        "test.v3",
-    )
-    .expect("compiles");
-    let err = emit_rust(&dag).expect_err("Rust emit must reject DivError prelude collision");
-    assert!(
-        matches!(err, v3_compiler::emit_rust::EmitError::UnsupportedBehavior(ref message)
-            if message.contains("DivError")),
-        "expected explicit DivError collision error, got {err:?}"
-    );
-}
-
-#[test]
-fn emit_rust_fails_closed_on_div_prelude_helper_collision() {
-    let dag = compile_to_dag(
-        "fn __v3_int_div(a: Int, b: Int) -> Int = a + b\n\
-let x = 6 / 2",
-        "rust_div_helper_collision.v3",
-    )
-    .expect("compiles");
-    let err = emit_rust(&dag).expect_err("Rust emit must reject division helper collision");
-    assert!(
-        matches!(err, v3_compiler::emit_rust::EmitError::UnsupportedBehavior(ref message)
-            if message.contains("__v3_int_div")),
-        "expected explicit __v3_int_div collision error, got {err:?}"
-    );
-}
-
-#[test]
-fn emit_rust_fails_closed_on_div_prelude_top_level_bind_collision() {
-    let dag = compile_to_dag(
-        "let __v3_int_div = 0\n\
-let x = 6 / 2",
-        "rust_div_helper_bind_collision.v3",
-    )
-    .expect("compiles");
-    let err = emit_rust(&dag).expect_err("Rust emit must reject division helper bind collision");
-    assert!(
-        matches!(err, v3_compiler::emit_rust::EmitError::UnsupportedBehavior(ref message)
-            if message.contains("__v3_int_div")),
-        "expected explicit __v3_int_div bind collision error, got {err:?}"
-    );
-}
-
-/// T-Emit / PR #650 receipt: first-class `fn(A) -> B` in **user function
-/// parameter** position must lower to `impl Fn(A) -> B + Clone`, not
-/// `&impl Fn…` (review #676). Other positions use `std::rc::Rc<dyn Fn…>`;
-/// see `emit_callable_field_types_use_rc_dyn_fn_storage`. Post-mortem:
-/// `docs/postmortems/pr-650-emitter-callable-clone-bound.md`.
-#[test]
-fn emit_generic_bounds_survive() {
-    // Single source of truth: `r1c_e_gates::check_generic_bounds_survive` is also
-    // the body of the `r1c_e_emit_gates generic-bounds` subcommand invoked by the
-    // matching `.dag` `TestClaim` wrapper (`tests/dag/r1c_e_emit_gates.template.dag`,
-    // R1C-E). Do not duplicate the assertion here.
-    if let Err(detail) = v3_compiler::r1c_e_gates::check_generic_bounds_survive() {
-        panic!("emit_generic_bounds_survive: {detail}");
-    }
-}
-
-/// Codex #676 / INVARIANTS P3: callable param `impl Fn + Clone` does not compose
-/// with `Rc<dyn Fn…>` return — when the return carries first-class `fn`, the
-/// parameter must use the same `Rc` carrier so `return f` is rustc-valid.
-#[test]
-fn emit_callable_fn_identity_unifies_param_and_return_carriers() {
-    let src = "fn id_fn(f: fn(Int) -> Int) -> fn(Int) -> Int = f\n";
-    let out = emit_module(src);
-    let ty = "std::rc::Rc<dyn Fn(i64) -> i64>";
-    let sig = format!("fn id_fn(p0: {ty}) -> {ty}");
-    assert!(
-        out.contains(&sig),
-        "param and return must both use Rc carrier for pass-through; got:\n{out}"
-    );
-    assert!(
-        !out.contains("impl Fn(i64) -> i64 + Clone"),
-        "impl Fn+Clone param must not pair with Rc return; got:\n{out}"
-    );
-}
-
-/// Review #676: `impl Trait` is not valid in struct fields — storage carrier required.
-#[test]
-fn emit_callable_field_types_use_rc_dyn_fn_storage() {
-    let src = "type Callback { handler: fn(Int) -> Int }\n";
-    let out = emit_module(src);
-    assert!(
-        out.contains("#[derive(Clone)]\npub struct Callback"),
-        "Rc<dyn Fn…> is not Debug — struct must use clone-only derive; got:\n{out}"
-    );
-    assert!(
-        !out.contains("#[derive(Clone, Debug)]\npub struct Callback"),
-        "Debug derive is invalid with dyn Fn field; got:\n{out}"
-    );
-    assert!(
-        out.contains("handler: std::rc::Rc<dyn Fn(i64) -> i64>"),
-        "expected `std::rc::Rc<dyn Fn…>` in struct field, not `impl Fn`; got:\n{out}"
-    );
-    assert!(
-        !out.contains("impl Fn(i64) -> i64 + Clone"),
-        "struct field must not use parameter-only impl Fn+Clone surface; got:\n{out}"
-    );
-}
-
-/// #676 / api-review: a named `type F = fn(...) -> _` used as a struct field type
-/// must not render as a bare `F` — the emitter does not emit a Rust `type F = …`
-/// for that alias, so the storage carrier must expand to `Rc<dyn Fn…>`.
-#[test]
-fn emit_callable_field_types_expand_named_fn_type_alias() {
-    let src = "type F = fn(Int) -> Int\ntype Holder { handler: F }\n";
-    let out = emit_module(src);
-    assert!(
-        out.contains("handler: std::rc::Rc<dyn Fn(i64) -> i64>"),
-        "field through named first-class `fn` alias should use Rc<dyn Fn…>, not a bare id; got:\n{out}"
-    );
-    assert!(
-        !out.contains("handler: F"),
-        "struct field must not reference undefined Rust type for fn alias; got:\n{out}"
-    );
-}
-
-/// #676: chained alias `G = F`, `F = fn...` must peel to the same `Rc<dyn Fn…>`
-/// carrier, not a bare `G` (P3 fail-closed).
-#[test]
-fn emit_callable_field_types_expand_chained_fn_type_alias() {
-    let src = "type F = fn(Int) -> Int\ntype G = F\ntype Holder { handler: G }\n";
-    let out = emit_module(src);
-    assert!(
-        out.contains("handler: std::rc::Rc<dyn Fn(i64) -> i64>"),
-        "chained field through G→F→fn should use Rc<dyn Fn…>, not a bare id; got:\n{out}"
-    );
-    assert!(
-        !out.contains("handler: G"),
-        "struct field must not use undefined type G when G chains to first-class fn; got:\n{out}"
-    );
-}
-
-/// #676 (codex): a named record that only *contains* callable storage (`Callback`)
-/// must still be spellable as `Callback` when nested in another struct field
-/// (`Wrapper { cb: Callback }`) — P2 name authority, not re-expanded as a fn alias.
-#[test]
-fn emit_callable_nested_named_record_field_uses_type_name() {
-    let src = "type Callback { handler: fn(Int) -> Int }\n\
-type Wrapper { cb: Callback }\n";
-    let out = emit_module(src);
-    assert!(
-        out.contains("pub struct Callback")
-            && out.contains("pub struct Wrapper")
-            && out.contains("cb: Callback"),
-        "Wrapper must reference `Callback` by name; got:\n{out}"
-    );
-}
-
-/// #676: a user `struct` that **contains** a first-class `fn` (via a type alias)
-/// must still lower the **name** in non-field positions (`fn` params), not
-/// `MissingTypeRealization` (claude review, follow-up to `decl_includes` in
-/// `rust_type_name_for_decl_with_policy`).
-#[test]
-fn emit_callable_struct_with_fn_field_names_ok_in_param_slot() {
-    let src = "type F = fn(Int) -> Int\n\
-type Holder { h: F }\n\
-fn use_holder(x: Holder) -> Int = 0\n";
-    let out = emit_module(src);
-    assert!(
-        out.contains("use_holder(") && out.contains("Holder"),
-        "param slot should use `Holder` when the struct is emitted; got:\n{out}"
-    );
-}
-
-/// #676: a named **alias to** `List<fn…>` does not peel to a top-level
-/// `Arrow`, but the emit path must still expand to `Vec<Rc<dyn Fn…>>`, not an
-/// undefined local alias name (C-8).
-#[test]
-fn emit_callable_field_types_expand_list_fn_named_alias() {
-    let src = "type L = List<fn(Int) -> Int>\n\
-type Holders { callbacks: L }\n";
-    let out = emit_module(src);
-    assert!(
-        out.contains("callbacks: Vec<std::rc::Rc<dyn Fn(i64) -> i64>>"),
-        "L = List<fn…> on a struct field should expand; got:\n{out}"
-    );
-    assert!(
-        !out.contains("callbacks: L") && !out.contains("callbacks: Vec<L>"),
-        "must not print bare L / Vec<L> when L aliases List<fn…>; got:\n{out}"
-    );
-}
-
-/// Review #676: nested / generic positions (`Vec<…>`) cannot use `impl Fn`.
-#[test]
-fn emit_callable_list_element_types_use_rc_dyn_fn_in_vec() {
-    let src = "type Holders { callbacks: List<fn(Int) -> Int> }\n";
-    let out = emit_module(src);
-    assert!(
-        out.contains("#[derive(Clone)]\npub struct Holders"),
-        "Vec<Rc<dyn Fn…>> is not Debug — struct must use clone-only derive; got:\n{out}"
-    );
-    assert!(
-        !out.contains("#[derive(Clone, Debug)]\npub struct Holders"),
-        "Debug derive is invalid with Vec<Rc<dyn Fn…>> field; got:\n{out}"
-    );
-    assert!(
-        out.contains("callbacks: Vec<std::rc::Rc<dyn Fn(i64) -> i64>>"),
-        "expected Vec<Rc<dyn Fn…>> for List<fn…>; got:\n{out}"
-    );
-    assert!(
-        !out.contains("Vec<impl Fn"),
-        "Vec type argument must not use impl Fn; got:\n{out}"
-    );
-}
-
-#[test]
-fn emit_rust_addition() {
-    let out = emit("let x: Int = 1 + 2");
-    assert!(out.contains("let x: i64 = (1 + 2);"), "got: {out}");
-}
-
-#[test]
-fn emit_rust_chained_arithmetic() {
-    // Left-associative: ((1 + 2) + 3)
-    let out = emit("let x: Int = 1 + 2 + 3");
-    assert!(out.contains("let x: i64 = ((1 + 2) + 3);"), "got: {out}");
-}
-
-#[test]
-fn emit_rust_subtraction_and_multiplication() {
-    let out = emit("let x: Int = 10 - 2 * 3");
-    // Precedence: 10 - (2 * 3) = 4
-    assert!(out.contains("let x: i64 = (10 - (2 * 3));"), "got: {out}");
-}
-
-#[test]
-fn emit_rust_if_else_branch() {
-    let out = emit("let r: Int = if 1 > 0 then 10 else 20");
-    assert!(out.contains("if (1 > 0) {"), "got: {out}");
-    assert!(out.contains("} else {"), "got: {out}");
-    assert!(out.contains("10"), "got: {out}");
-    assert!(out.contains("20"), "got: {out}");
-}
-
-#[test]
-fn emit_rust_emits_user_enum_type_definitions() {
-    let out = emit(
-        "type Sign = Plus | Minus
-let zero: Int = 0",
-    );
-    assert!(out.contains("pub enum Sign {"), "got: {out}");
-    assert!(out.contains("Plus,"), "got: {out}");
-    assert!(out.contains("Minus,"), "got: {out}");
-}
-
-#[test]
-fn emit_rust_match_on_user_sum_uses_match_expression() {
-    let out = emit(
-        "type Sign = Plus | Minus
-fn classify(s: Sign) -> Int = match s { Plus => 0, Minus => 1 }
-let zero: Int = 0",
-    );
-    assert!(out.contains("pub enum Sign {"), "got: {out}");
-    assert!(
-        out.contains("fn classify(p0: &Sign) -> i64 { match p0 {"),
-        "got: {out}"
-    );
-    assert!(out.contains("Sign::Plus => 0,"), "got: {out}");
-    assert!(out.contains("Sign::Minus => 1,"), "got: {out}");
-}
-
-#[test]
-fn emit_rust_module_match_on_imported_workflow_effect_sum() {
-    let src = "\
-module emit_match_workflow_effect_smoke
-import std.effects { WorkflowEffect }
-import std.list { length }
-fn classify_wf(w: WorkflowEffect) -> Int = match w {
-  LinearEffect { ops: ops } => length(ops)
-  BranchEffect { arms: arms } => 1
-  LoopEffect { body: body } => 2
-  ParallelEffect { branches: branches } => 3
-}
-";
-    let out = emit_module(src);
-    assert!(
-        out.contains("fn classify_wf") && out.contains("WorkflowEffect::LinearEffect"),
-        "expected emitted lens-style module to lower `match` on imported \
-         user-defined `WorkflowEffect` with qualified enum patterns; got:\n{out}"
-    );
-}
-
-#[test]
-fn emit_rust_payload_match_uses_struct_variant_pattern() {
-    let out = emit(
-        "type BoxedInt = Boxed(Int) | Empty
-fn unwrap_or_zero(b: BoxedInt) -> Int = match b { Boxed(value) => value, Empty => 0 }
-let zero: Int = 0",
-    );
-    assert!(out.contains("pub enum BoxedInt {"), "got: {out}");
-    assert!(out.contains("Boxed { _0: i64, },"), "got: {out}");
-    assert!(
-        out.contains("fn unwrap_or_zero(p0: &BoxedInt) -> i64 { match p0 {"),
-        "got: {out}"
-    );
-    assert!(
-        out.contains("BoxedInt::Boxed { _0: value } => (*(value)),"),
-        "got: {out}"
-    );
-    assert!(out.contains("BoxedInt::Empty => 0,"), "got: {out}");
-}
-
-/// Day-1 T-Sub receipt gate for `sub_match_over_user_sum`.
-///
-/// Audit result: the first-class implementation path already exists on `main`.
-/// The parser accepts source-local `type Choice = ...` sums, lowering carries
-/// them as `Disj` + `Branch`, inference resolves arm patterns, and Rust emit
-/// renders the general enum-pattern `match` path. The surrounding tests already
-/// cover string-level Rust receipts for no-payload sums, payload sums, and
-/// imported sums.
-///
-/// This gate intentionally adds no implementation. Its narrower job is to keep
-/// the named R1/T-Sub surface live as an unignored, end-to-end pipeline receipt:
-/// parse -> lower -> infer -> Rust emit -> rustc link -> runtime execution.
-#[test]
-fn sub_match_over_user_sum_links_and_runs() {
-    let source = r1_gate_claim_source("sub_match_over_user_sum");
-    assert_eq!(roundtrip_stdout(&source), "true");
-}
-
-#[test]
-fn emit_rust_named_single_field_payload_routes_field_access_through_binding() {
-    let out = emit(
-        "type Point { x: Int y: Int }
-type Wrapped = Wrap { inner: Point } | Empty
-fn unwrap_or_zero(w: Wrapped) -> Int = match w { Wrap(payload) => payload.inner.x, Empty => 0 }
-let zero: Int = 0",
-    );
-    assert!(
-        out.contains("Wrapped::Wrap { inner: payload } => (payload).x,"),
-        "expected named single-field payload access to route through the bound field, got: {out}"
-    );
-    assert!(
-        !out.contains("(payload).inner"),
-        "named single-field payload access must not project through a synthetic whole-payload binding, got: {out}"
-    );
-}
-
-/// E-5 / Lane 1 Stage 1c pilot — unused match-arm payload bindings
-/// render as `_` under `rust_clean_emission.pattern_bindings =
-/// EmitUnderscoreWhenUnused`. Before the pilot the emitter rendered
-/// `Boxed { _0: value } => 0`, which fired `unused_variables` under
-/// `rustc -D warnings`; after the pilot it renders `Boxed { _0: _ }
-/// => 0`, which passes the invariant by construction.
-#[test]
-fn emit_rust_unused_payload_binding_renders_as_underscore() {
-    let out = emit(
-        "type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(value) => 0, Empty => 1 }
-let zero: Int = 0",
-    );
-    assert!(
-        out.contains("BoxedInt::Boxed { _0: _ } => 0,"),
-        "expected unused payload to render as `_`, got: {out}"
-    );
-    assert!(
-        !out.contains("BoxedInt::Boxed { _0: value }"),
-        "unused binding leaked the identifier name, got: {out}"
-    );
-    assert!(out.contains("BoxedInt::Empty => 1,"), "got: {out}");
-}
-
-/// Multi-field payloads still need a full variant pattern for type
-/// shape, but an unused whole-payload binding must not be rendered
-/// as `_ @ Variant { ... }` because Rust only permits identifiers on
-/// the left side of `@`.
-#[test]
-fn emit_rust_unused_multi_field_payload_binding_avoids_wildcard_alias() {
-    let out = emit(
-        "type IntList = Empty | Cons { head: Int, tail: IntList }
-fn ignore_payload(list: IntList) -> Int = match list { Empty => 0, Cons(payload) => 1 }
-let zero: Int = 0",
-    );
-    assert!(
-        out.contains("IntList::Cons { head: _, tail: _ } => 1,"),
-        "expected unused multi-field payload to render as a plain variant pattern, got: {out}"
-    );
-    assert!(
-        !out.contains("_ @ IntList::Cons"),
-        "unused multi-field payload rendered an invalid wildcard alias, got: {out}"
-    );
-}
-
-/// E-5 / Lane 1 Stage 1c pilot (rustc roundtrip) — emitted code with
-/// an unused match-arm payload binding passes `rustc -D
-/// unused_variables`. Proves the rule fires end-to-end, not just
-/// that the emission string looks right.
-///
-/// Gated behind `#[ignore]` for the same reason as the other
-/// `rustc_roundtrip_*` tests — CI sandboxes don't always carry a
-/// toolchain. Run locally:
-///
-///     cargo test -p v3-compiler --test integration \
-///         emit_rust_unused_payload_binding_passes_deny_unused \
-///         -- --ignored --nocapture
-/// E-5 / Lane 1 Stage 1c PR 4 — the pilot Rust source passes
-/// `rust_clean_emission.post_emit_verifier` as invoked through the
-/// shared harness. The harness reads command / args / syntax_only /
-/// expected_exit_code / output_policy from the contract; the test
-/// does not hardcode `rustc -D warnings`. Adding a verifier flag
-/// (e.g. `--edition=2024`) means editing `spec/rust.dag` — the
-/// harness picks it up automatically.
-///
-/// Gated behind `#[ignore]` like `emit_rust_unused_payload_binding_passes_deny_unused`
-/// above — CI sandboxes don't always carry rustc. Run locally:
-///
-///     cargo test -p v3-compiler --test integration \
-///         rust_pilot_source_passes_post_emit_verifier_harness \
-///         -- --ignored --nocapture
-#[test]
-#[ignore]
-fn rust_pilot_source_passes_post_emit_verifier_harness() {
-    use v3_compiler::post_emit_verifier::{parse_post_emit_verifier, run_post_emit_verifier};
-    // `ignore_payload` has to be called so rustc's dead_code
-    // (implied by -D warnings) does not fire on it. The pilot rule
-    // under test is `pattern_bindings = EmitUnderscoreWhenUnused`
-    // — the unused `value` inside the match arm; the let-binding
-    // below wires the fn into `main` so the rest of the emitted
-    // module stays warning-clean.
-    let source = "type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(value) => 0, Empty => 1 }
-let result: Int = ignore_payload(Empty)";
-    let dag =
-        v3_compiler::compile_to_dag(source, "rust_post_emit_verifier.v3").expect("source compiles");
-    let spec = dag
-        .rust_clean_emission_spec()
-        .expect("rust_clean_emission cached");
-    let binding = parse_post_emit_verifier(&dag, spec).expect("parse contract");
-    let rendered = v3_compiler::emit_rust::emit_rust(&dag).expect("emits rust");
-    let tmp_dir = harness().next_child_dir();
-    let src_path = tmp_dir.join("main.rs");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write rust source");
-    run_post_emit_verifier(&binding, &src_path)
-        .expect("rust post_emit_verifier rejected pilot source — E-5 contract regression");
-}
-
-#[test]
-#[ignore]
-fn emit_rust_unused_payload_binding_passes_deny_unused() {
-    let source = emit(
-        "type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(value) => 0, Empty => 1 }
-let zero: Int = 0",
-    );
-    let wrapped = format!("#![deny(unused_variables)]\n{source}");
-    let tmp_dir = harness().next_child_dir();
-    let src_path = tmp_dir.join("main.rs");
-    let bin_path = tmp_dir.join("deny_unused_bin");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(wrapped.as_bytes()))
-        .expect("write rust source");
-    let status = Command::new("rustc")
-        // See common::RustcHarness::compile: strip RUSTC_BOOTSTRAP so the ratchet
-        // CI step's libtest unlock does not leak into child rustc invocations.
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .stdout(Stdio::inherit())
-        .stderr(Stdio::inherit())
-        .status()
-        .expect("invoke rustc");
-    assert!(
-        status.success(),
-        "emitted code tripped #[deny(unused_variables)] — E-5 pilot regression"
-    );
-}
-
-#[test]
-fn emit_rust_record_literal_uses_value_construction_syntax() {
-    let out = emit(
-        "type Point { x: Int y: Int }
-let p: Point = { x: 1, y: 2 }",
-    );
-    assert!(out.contains("pub struct Point {"), "got: {out}");
-    assert!(
-        out.contains("let p: Point = Point { x: 1, y: 2 };"),
-        "got: {out}"
-    );
-}
-
-#[test]
-fn emit_rust_multi_bind_uses_last_as_print_target() {
-    let out = emit(
-        "let a: Int = 1
-let b: Int = a + 2",
-    );
-    assert!(out.contains("let a: i64 = 1;"), "got: {out}");
-    assert!(out.contains("let b: i64 = (a + 2);"), "got: {out}");
-    // Main wrap prints the LAST bind (`b`), not the first (`a`).
-    assert!(out.contains("println!(\"{}\", b)"), "got: {out}");
-}
-
-#[test]
-fn emit_rust_pairwise_independent_multi_bind_uses_thread_scope() {
-    let out = emit(
-        "let a: Int = 1 + 2
-let b: Int = 3 + 4",
-    );
-    assert!(
-        out.contains("thread::scope"),
-        "expected parallel schedule for pairwise-independent binds; got:\n{out}"
-    );
-    assert!(
-        out.contains("let (a, b):") && out.contains("(i64, i64)"),
-        "expected destructuring tuple bind for parallel batch; got:\n{out}"
-    );
-}
-
-#[test]
-fn emit_rust_preserves_rust_dag_is_the_only_rust_syntax_source() {
-    // Structural check: the carrier strings the emitter produced
-    // match what rust.dag declared — not some hardcoded Rust-side
-    // string. This is the thesis guarantee: "add a new emission
-    // target = one spec-file edit." If the emitter were
-    // fabricating Rust syntax in Rust code, the test below would
-    // still pass trivially, but ANY attempt to change the carrier
-    // in rust.dag (e.g. editing `"i64"` to `"int64_t"`) would fail
-    // to propagate — the substring check here guards against that
-    // class of regression.
-    let out = emit("let x: Int = 1 + 2");
-    // Every token the emitter rendered for this program traces to
-    // a rust.dag carrier: "let %N: %T = %V;" (rust_let_stmt),
-    // "i64" (rust_int), "+" (rust_int_add), and the main wrapper.
-    assert!(out.contains("let x: i64 = (1 + 2);"));
-}
-
-/// **PR-B-unwind regression test.** The emitter must NOT contain
-/// any Rust string literal that names a substrate concept (the
-/// canonical primitive name "Int", behavior names "Bind"/"Branch"/
-/// "Main", etc.) in dispatch position. This test scans the
-/// emitter source file (excluding comment lines) and asserts the
-/// absence of the specific patterns that the unwind fixed.
-///
-/// **Why this is a runtime test instead of a static lint.** The
-/// emitter file is loaded with `include_str!` so the assertion
-/// runs at test time. Rust's macro hygiene doesn't give us a
-/// proper compile-time grep, so we accept the runtime cost — the
-/// test runs in <1ms.
-///
-/// **Comment-line filtering.** Lines whose first non-whitespace
-/// content is `//` are excluded. The unwind's documentation talks
-/// about the bad pattern explicitly (so future readers understand
-/// what was removed) and those mentions must not trip the check.
-/// This is a coarse heuristic — it doesn't handle block comments
-/// or strings-on-comment-lines — but it's sufficient for the
-/// emit_rust.rs file as written.
-///
-/// If anyone re-introduces a `.lookup("Int", ...)` or similar
-/// dispatch, this test fails and the reviewer sees the
-/// reintroduction immediately. The failure message points at the
-/// rust.dag typed-reference shape that should be used instead.
-#[test]
-fn emit_rust_has_no_substrate_name_string_dispatches() {
-    const EMITTER_SOURCE: &str = include_str!("../../src/emit_rust.rs");
-
-    // Strip comment-only lines (// ... and ///-style doc comments)
-    // before scanning for forbidden patterns. This avoids false
-    // positives on the file's documentation, which describes the
-    // bad pattern explicitly so future readers know what was
-    // removed.
-    let code_only: String = EMITTER_SOURCE
-        .lines()
-        .filter(|line| !line.trim_start().starts_with("//"))
-        .collect::<Vec<&str>>()
-        .join("\n");
-
-    // Each forbidden substring is a Rust string literal naming a
-    // substrate concept. The check is "does the emitter code
-    // contain a string literal of this exact form in non-comment
-    // position?" — using the double-quote framing makes it a
-    // literal search, not a bare-name search (so identifier
-    // mentions in doc strings don't trip the check).
-    let forbidden = [
-        "\"Int\"",
-        "\"Bool\"",
-        "\"List\"",
-        "\"String\"",
-        "\"Bind\"",
-        "\"Branch\"",
-        "\"Main\"",
-        "\"True\"",
-        "\"False\"",
-        "\"target_name\"",
-        "\"op_name\"",
-    ];
-    for pattern in forbidden {
-        assert!(
-            !code_only.contains(pattern),
-            "emit_rust.rs must not contain the string literal {pattern} in non-comment position — that would be a name-string dispatch on a substrate concept. The PR-B unwind moved every such lookup to typed declaration ids resolved via dag.{{bind_marker, branch_marker, main_marker, ...}}() and dag.declaration_by_name() at index-build time only. If you reintroduced one, see src/v3/spec/rust.dag for the typed pattern: `data rust_int: TypeRealization = {{ target: Int, ... }}` instead of `target_name: {pattern}`."
-        );
-    }
-}
-
-/// **Layer opacity gate documentation.**
-///
-/// The static regression test above
-/// (`emit_rust_has_no_substrate_name_string_dispatches`) is the
-/// load-bearing **rename test** in static form, enforcing the
-/// `INVARIANTS.md` §"Layer opacity" rule on `emit_rust.rs`. It
-/// asserts that emit_rust.rs contains zero string literals
-/// naming any user-facing std/ identifier
-/// (`Int`/`Bool`/`String`/`True`/`False`) or substrate L1
-/// behavior (`Bind`/`Branch`/`Main`) in non-comment position.
-/// If the test passes, it follows by construction that:
-///
-///   1. **Renaming `Int` → `Integer` in `dsl/std/integer.dag`**
-///      requires editing `dsl/std/integer.dag` (the declaration),
-///      `src/v3/spec/rust.dag` (the typed reference
-///      `target: Int` → `target: Integer`), and any user-source
-///      that mentions `Int`. Emit_rust.rs needs **zero edits**
-///      because it dispatches on declaration ids resolved at
-///      bootstrap time, not on name strings.
-///
-///   2. **Renaming any other primitive** has the same property —
-///      one std/ edit + one rust.dag edit + user-source updates,
-///      with the emitter unchanged.
-///
-///   3. **Adding a new primitive** (e.g. `Decimal` for fixed-
-///      point) is one std/ addition + one rust.dag addition,
-///      again with the emitter unchanged.
-///
-/// This is the **layer opacity guarantee** in static form. The
-/// thesis claim — "the compiler exists to make compositions
-/// opaque, application code sitting on rest/http/service should
-/// be unable to observe layer changes" (THESIS.md §"Compositional
-/// layering: below-boundary opacity by construction") — applies
-/// one layer up: the emitter sits on top of the substrate layer,
-/// and the substrate layer should be replaceable without the
-/// emitter noticing. The regression test's empty-grep result is
-/// the proof. The eventual structural enforcement is
-/// `lens_layer_opacity` per `docs/lens-library-design.md` §2.2;
-/// this static grep is the precursor that catches the same class
-/// of violations until the lens lands.
-///
-/// The DYNAMIC version of the rename test (literally rename a
-/// declaration in std/, recompile, verify) would touch every
-/// std/ file that references the renamed type and is too coarse
-/// to express as a unit test. The static check is strictly
-/// stronger anyway: a passing static test guarantees the dynamic
-/// test would pass without running it.
-///
-/// **The carve-out for `EmitError` payloads.** `EmitError`
-/// variants like `MissingSubstrateMarker(SubstrateMarkerRole::
-/// Bind)` carry typed enum tags — not strings — for the same
-/// reason. The `SubstrateMarkerRole` enum is internal compiler
-/// dispatch metadata, NOT a string-keyed lookup. The regression
-/// test's pattern list catches the literal `"Bind"`/`"Branch"`/
-/// `"Main"` quoted strings; if you re-introduced one, the test
-/// fires immediately.
-#[test]
-fn composition_opacity_gate_is_documented() {
-    // No-op test that exists purely to anchor the documentation
-    // above. The actual gate lives in
-    // `emit_rust_has_no_substrate_name_string_dispatches` and
-    // runs every test invocation.
-}
-
-#[test]
-fn roundtrip_temp_dirs_are_unique() {
-    assert_ne!(harness().next_child_dir(), harness().next_child_dir());
-}
-
-// The nine tests below dispatch into one batched rustc-roundtrip
-// program harness. Fixture sources live in `PROGRAM_FIXTURES`; the
-// harness compiles on first access and is reused across tests.
-//
-// These run unconditionally (no `#[ignore]`), giving per-fixture test
-// names in cargo output. `emit_rust_fixtures_rustc_green` (below) is the
-// `#[ignore]`d full-matrix gate that sweeps the same fixtures in one shot;
-// both coexist because the per-fixture names are useful for triage.
-
-#[test]
-fn rustc_roundtrip_list_fold_prints_six() {
-    let name = "list_fold_six";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_generic_list_fold_prints_one() {
-    let name = "generic_list_fold_one";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_list_map_then_fold_prints_twelve() {
-    let name = "list_map_then_fold_twelve";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_list_filter_then_fold_prints_seven() {
-    let name = "list_filter_then_fold_seven";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_list_filter_non_copy_record_predicate_prints_two() {
-    let stdout = roundtrip_stdout(
-        "type Point { x: Int y: Int }\n\
-         fn x_of(p: Point) -> Int = p.x\n\
-         let p1: Point = { x: 1, y: 2 }\n\
-         let p2: Point = { x: 3, y: 4 }\n\
-         let p3: Point = { x: 5, y: 6 }\n\
-         fn keep(p: Point) -> Bool = x_of(p) > 2\n\
-         let total: Int = length(filter(cons(p1, cons(p2, singleton(p3))), keep))",
-    );
-    assert_eq!(
-        stdout, "2",
-        "filter should render predicate against a borrowed item and retain a cloned item"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_nested_list_builtins_inside_lambda_prints_six() {
-    let name = "nested_list_builtins_inside_lambda_six";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_user_function_call_prints_three() {
-    let name = "user_function_call_three";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_recursive_function_call_prints_six() {
-    let name = "recursive_function_call_six";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_record_literal_through_function_prints_one() {
-    let name = "record_literal_through_function_one";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_user_sum_match_prints_zero() {
-    let name = "user_sum_match_zero";
-    let stdout = run_program(name);
-    let expected = program_expected(name);
-    assert_eq!(
-        stdout, expected,
-        "compiled binary printed {stdout:?}, not {expected:?}"
-    );
-}
-
-// The five reflected-module tests below share one batched harness
-// built lazily by `reflected_harness_bin()`. Each test invokes the
-// same binary with a different argv[1]; fixture source lives in
-// `REFLECTED_FIXTURES`.
-
-#[test]
-fn rustc_roundtrip_emitted_module_invokes_reflected_dag_function() {
-    let name = "node_count";
-    let stdout = run_reflected(name);
-    match reflected_expected(name) {
-        ReflectedExpected::PositiveInt => assert!(
-            stdout.parse::<i64>().is_ok_and(|n| n > 0),
-            "compiled reflected Dag function should return a positive node count, got {stdout:?}"
-        ),
-        ReflectedExpected::Exact(expected) => assert_eq!(stdout, *expected),
-    }
-}
-
-#[test]
-fn rustc_roundtrip_emitted_module_matches_reflected_behavior_payloads() {
-    let name = "bind_count";
-    let stdout = run_reflected(name);
-    let ReflectedExpected::Exact(expected) = reflected_expected(name) else {
-        panic!("bind_count expected Exact")
-    };
-    assert_eq!(
-        stdout, *expected,
-        "compiled reflected Behavior match should count the two top-level binds, got {stdout:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_emitted_module_returns_reflected_source_span_list() {
-    let name = "singleton_span";
-    let stdout = run_reflected(name);
-    let ReflectedExpected::Exact(expected) = reflected_expected(name) else {
-        panic!("singleton_span expected Exact")
-    };
-    assert_eq!(
-        stdout, *expected,
-        "compiled reflected function returning List<SourceSpan> should yield a singleton list, got {stdout:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_emitted_module_compares_reflected_port_ids_in_list_contains() {
-    let name = "result_port_is_param";
-    let stdout = run_reflected(name);
-    let ReflectedExpected::Exact(expected) = reflected_expected(name) else {
-        panic!("result_port_is_param expected Exact")
-    };
-    assert_eq!(
-        stdout, *expected,
-        "compiled reflected function should compare PortId handles through list contains, got {stdout:?}"
-    );
-}
-
-#[test]
-fn rustc_roundtrip_emitted_module_returns_user_record_list_from_reflected_binds() {
-    let name = "bind_names";
-    let stdout = run_reflected(name);
-    let ReflectedExpected::Exact(expected) = reflected_expected(name) else {
-        panic!("bind_names expected Exact")
-    };
-    assert_eq!(
-        stdout, *expected,
-        "compiled reflected function should return a user record per top-level bind, got {stdout:?}"
-    );
-}
-
-/// End-to-end roundtrip test: emit Rust from a v3 program, feed the
-/// Rust source to `rustc`, run the resulting binary, assert stdout.
-/// Gated behind `#[ignore]` because CI runners often don't have a
-/// Rust toolchain available inside the test sandbox. Run locally:
-///
-///     cargo test -p v3-compiler --test integration \
-///                  -- --ignored --nocapture
-///
-/// This is the PR-B success criterion made literal: the v3 compiler
-/// produces Rust that a real Rust toolchain turns into a working
-/// binary, without touching the emitter between "here's the
-/// program" and "here's the answer `3` on stdout."
-#[test]
-#[ignore]
-fn rustc_roundtrip_int_addition_prints_three() {
-    let stdout = roundtrip_stdout("let x: Int = 1 + 2");
-    assert_eq!(stdout, "3", "compiled binary printed {stdout:?}, not `3`");
-}
-
-/// Gate test: the full Rust fixture matrix (all 9 program fixtures and
-/// all 5 reflected-module fixtures) compiles and produces the expected
-/// output under a real `rustc`. Passes when every individual
-/// `rustc_roundtrip_*` test would pass.
-///
-/// Gated behind `#[ignore]` because CI runners may not have `rustc`.
-/// The individual `rustc_roundtrip_*` tests above are unignored (they
-/// run unconditionally); this gate sweeps them in one shot for a fast
-/// go/no-go signal. Run locally:
-///
-///     cargo test -p v3-compiler --test integration \
-///         emit_rust_fixtures_rustc_green -- --ignored --nocapture
-#[test]
-#[ignore]
-fn emit_rust_fixtures_rustc_green() {
-    if let Err(detail) = r1c_e_gates::check_emit_rust_fixtures_rustc_green() {
-        panic!("emit_rust_fixtures_rustc_green: {detail}");
-    }
-}
diff --git a/src/v3/compiler/tests/boundary/m1_4_emit_python_test.rs b/src/v3/compiler/tests/boundary/m1_4_emit_python_test.rs
deleted file mode 100644
index 839415833e2..00000000000
--- a/src/v3/compiler/tests/boundary/m1_4_emit_python_test.rs
+++ /dev/null
@@ -1,1113 +0,0 @@
-//! **Layer:** boundary (TESTING.md § test layers — class-5 CPython
-//! roundtrip).
-
-use std::io::Write;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-use crate::common::determinism_fixtures::PROGRAM_FIXTURES;
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    Behavior, BindEmitParticipation, BindNode, BranchEmitParticipation, BranchNode, LoopBound,
-    LoopNode, Path as DagPath, Port, TransformNode, ValueNode,
-};
-use v3_compiler::emit::{
-    emit as shared_emit, emit_module as shared_emit_module,
-    emit_python_module_text as emit_python_module, emit_python_text, EmitTarget,
-};
-use v3_compiler::emit_rust::emit_rust_module;
-use v3_compiler::Dag;
-
-static ROUNDTRIP_ID: AtomicUsize = AtomicUsize::new(0);
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read unused_parameters.dag")
-}
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("unused_parameters.dag")
-}
-
-fn emit_rust_lens_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compiled lens source");
-    emit_rust_module(&dag).expect("emit rust lens module")
-}
-
-fn emit_python_lens_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compiled lens source");
-    emit_python_module(&dag).expect("emit python lens module")
-}
-
-fn emit_python_module_from_source(source: &str, file_name: &str) -> String {
-    let dag = compile_to_dag(source, file_name).expect("compiled python module source");
-    emit_python_module(&dag).expect("emit python module")
-}
-
-fn python_stdout(source: &str, file_name: &str) -> String {
-    let dag = compile_to_dag(source, file_name).expect("compiled python program source");
-    let rendered = emit_python_text(&dag).expect("emit python program");
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("main.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write emitted python source");
-
-    let run = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("run python3");
-    assert!(
-        run.status.success(),
-        "python3 failed on emitted source:\n{}\nstderr:\n{}",
-        rendered,
-        String::from_utf8_lossy(&run.stderr)
-    );
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-fn program_fixture_source(name: &str) -> &'static str {
-    PROGRAM_FIXTURES
-        .iter()
-        .find(|fixture| fixture.name == name)
-        .unwrap_or_else(|| panic!("missing program fixture `{name}`"))
-        .source
-}
-
-#[test]
-fn emit_python_bool_logical_ops_use_keyword_carriers() {
-    let src = "fn f(a: Bool, b: Bool, c: Bool) -> Bool = a && b || c\n";
-    let out = emit_python_module_from_source(src, "bool_logic_py.v3");
-    assert!(
-        out.contains(" and ") && out.contains(" or "),
-        "expected Python `and` / `or` from Bool OperatorRealization rows; got:\n{out}"
-    );
-}
-
-/// Verify that the Int arithmetic and comparison operators added in PR #681
-/// emit the correct Python expression templates. These are always-on emit-level
-/// checks; they do not require a Python toolchain.
-#[test]
-fn emit_python_int_operators_use_correct_expression_templates() {
-    let src = "fn f(a: Int, b: Int) -> Int = a * b\n";
-    let out = emit_python_module_from_source(src, "int_mul_py.v3");
-    assert!(
-        out.contains("* ") || out.contains(" *"),
-        "mul carrier must emit `*`; got:\n{out}"
-    );
-
-    let src = "import std.error_primitives { DivError, Result }\n\
-fn f(a: Int, b: Int) -> Result<Int, DivError> = a / b\n";
-    let out = emit_python_module_from_source(src, "int_div_py.v3");
-    assert!(
-        out.contains("__v3_idiv("),
-        "div carrier must emit `__v3_idiv(...)`; got:\n{out}"
-    );
-
-    let src = "fn f(a: Int, b: Int) -> Bool = a != b\n";
-    let out = emit_python_module_from_source(src, "int_ne_py.v3");
-    assert!(out.contains("!="), "ne carrier must emit `!=`; got:\n{out}");
-
-    let src = "fn f(a: Int, b: Int) -> Bool = a < b\n";
-    let out = emit_python_module_from_source(src, "int_lt_py.v3");
-    assert!(out.contains(" < "), "lt carrier must emit `<`; got:\n{out}");
-
-    let src = "fn f(a: Int, b: Int) -> Bool = a > b\n";
-    let out = emit_python_module_from_source(src, "int_gt_py.v3");
-    assert!(out.contains(" > "), "gt carrier must emit `>`; got:\n{out}");
-}
-
-#[test]
-fn emit_python_wrappers_match_shared_entrypoint() {
-    let program_source = "\
-fn double(x: Int) -> Int = x + x
-let result: Int = double(21)
-";
-    let program_dag =
-        compile_to_dag(program_source, "emit_python_wrapper_program_parity.v3").expect("compiles");
-    let shared = shared_emit(&program_dag, EmitTarget::Python)
-        .expect("shared emit")
-        .text;
-    let wrapper = emit_python_text(&program_dag).expect("wrapper emit");
-    assert_eq!(
-        shared, wrapper,
-        "emit_python wrapper drifted from emit::emit"
-    );
-
-    let module_source = "\
-fn double(x: Int) -> Int = x + x
-";
-    let module_dag =
-        compile_to_dag(module_source, "emit_python_wrapper_module_parity.v3").expect("compiles");
-    let shared_module = shared_emit_module(&module_dag, EmitTarget::Python)
-        .expect("shared module emit")
-        .text;
-    let wrapper_module = emit_python_module(&module_dag).expect("wrapper module emit");
-    assert_eq!(
-        shared_module, wrapper_module,
-        "emit_python_module wrapper drifted from emit::emit_module"
-    );
-}
-
-#[test]
-fn emit_python_fails_closed_on_div_prelude_diverror_collision() {
-    let dag = compile_to_dag(
-        "type DivError = Bad | Worse\n\
-let x = 6 / 2",
-        "python_diverror_collision.v3",
-    )
-    .expect("compiles");
-    let err =
-        emit_python_text(&dag).expect_err("Python emit must reject DivError prelude collision");
-    assert!(
-        matches!(err, v3_compiler::emit::EmitPythonError::Unsupported(ref message)
-            if message.contains("DivError")),
-        "expected explicit DivError collision error, got {err:?}"
-    );
-}
-
-#[test]
-fn emit_python_emits_diverror_prelude_for_explicit_result_without_division() {
-    let dag = compile_to_dag(
-        "import std.error_primitives { DivError, Result }\n\
-fn passthrough(x: Result<Int, DivError>) -> Result<Int, DivError> = x\n",
-        "python_explicit_result_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_python_module(&dag).expect("emits python module");
-    assert!(
-        out.contains("class DivError(enum.IntEnum):"),
-        "explicit Result<Int, DivError> usage needs DivError prelude even without `/`; got: {out}"
-    );
-}
-
-#[test]
-fn emit_python_emits_diverror_prelude_for_result_field_without_division() {
-    let dag = compile_to_dag(
-        "import std.error_primitives { DivError, Result }\n\
-type Holder { value: Result<Int, DivError> }\n",
-        "python_result_field_diverror_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_python_module(&dag).expect("emits python module");
-    assert!(
-        out.contains("class DivError(enum.IntEnum):"),
-        "type fields using Result<Int, DivError> need DivError prelude even without `/`; got: {out}"
-    );
-}
-
-#[test]
-fn emit_python_checked_division_roundtrips_ok_and_errors() {
-    // Single source of truth: `boundary_emit_gates::check_python_checked_division_roundtrips`
-    // is also the `boundary_emit_gates python-checked-division-roundtrip` subcommand invoked by
-    // `tests/dag/boundary_emit_gates.template.dag` (F.14 / T-PB-B). Do not duplicate assertions.
-    if let Err(detail) =
-        v3_compiler::boundary_emit_gates::check_python_checked_division_roundtrips()
-    {
-        panic!("emit_python_checked_division_roundtrips_ok_and_errors: {detail}");
-    }
-}
-
-#[test]
-fn emit_python_checked_division_prelude_maps_overflow() {
-    let out = emit_python_text(
-        &compile_to_dag("let x = 6 / 2\n", "python_div_overflow_prelude.v3").expect("compiles"),
-    )
-    .expect("emits python");
-    assert_eq!(
-        out.matches("return ('Err', DivError.Overflow)").count(),
-        1,
-        "Python checked-division prelude must map min-int / -1 to Overflow; got: {out}"
-    );
-}
-
-#[test]
-fn emit_python_structural_diverror_signature_uses_substrate_prelude() {
-    let dag = compile_to_dag(
-        "type DivError = DivideByZero | Overflow\n\
-fn passthrough(x: DivError) -> DivError = x\n",
-        "python_user_diverror_signature_no_div.v3",
-    )
-    .expect("compiles");
-    let out = emit_python_module(&dag).expect("emits python module");
-    assert!(
-        out.contains("def __v3_idiv"),
-        "structural DivError signatures use the substrate prelude, independent of source path; got: {out}"
-    );
-    assert!(
-        out.matches("class DivError(enum.IntEnum):").count() == 1,
-        "structural DivError should materialize once through the substrate prelude; got: {out}"
-    );
-}
-
-#[test]
-fn emit_python_fails_closed_on_div_prelude_helper_collision() {
-    let dag = compile_to_dag(
-        "fn __v3_idiv(a: Int, b: Int) -> Int = a + b\n\
-let x = 6 / 2",
-        "python_div_helper_collision.v3",
-    )
-    .expect("compiles");
-    let err =
-        emit_python_text(&dag).expect_err("Python emit must reject division helper collision");
-    assert!(
-        matches!(err, v3_compiler::emit::EmitPythonError::Unsupported(ref message)
-            if message.contains("__v3_idiv")),
-        "expected explicit __v3_idiv collision error, got {err:?}"
-    );
-}
-
-#[test]
-fn emit_python_fails_closed_on_div_prelude_top_level_bind_collision() {
-    let dag = compile_to_dag(
-        "let __v3_idiv = 0\n\
-let x = 6 / 2",
-        "python_div_helper_bind_collision.v3",
-    )
-    .expect("compiles");
-    let err =
-        emit_python_text(&dag).expect_err("Python emit must reject division helper bind collision");
-    assert!(
-        matches!(err, v3_compiler::emit::EmitPythonError::Unsupported(ref message)
-            if message.contains("__v3_idiv")),
-        "expected explicit __v3_idiv bind collision error, got {err:?}"
-    );
-}
-
-#[test]
-fn emit_python_uses_only_shared_schema_surface() {
-    const PYTHON_SPEC: &str = include_str!("../../../spec/python.dag");
-    const PYTHON_EMITTER: &str = include_str!("../../src/emit/python_target.rs");
-    let forbidden = [
-        "PythonTypeRealization",
-        "PythonOperatorRealization",
-        "PythonCallableRealization",
-        "PythonCallableStrategy",
-        "PythonTypeInstantiationRealization",
-        "PythonPatternRealization",
-        "PythonPatternStrategy",
-        "PythonExpressionSyntax",
-        "PythonCollectionOps",
-        "PythonTypeApplicationSyntax",
-    ];
-    for needle in forbidden {
-        assert!(
-            !PYTHON_SPEC.contains(needle),
-            "spec/python.dag still contains private Python scaffold `{needle}`"
-        );
-        assert!(
-            !PYTHON_EMITTER.contains(needle),
-            "emit/python_target.rs still contains private Python scaffold `{needle}`"
-        );
-    }
-}
-
-fn assert_python_program_fixture_stdout(name: &str, expected: &str) {
-    let actual = python_stdout(program_fixture_source(name), "python_admitted_fixture.v3");
-    assert_eq!(
-        actual, expected,
-        "emitted Python fixture `{name}` diverged from Rust-canonical expected stdout"
-    );
-}
-
-#[test]
-fn emitted_python_list_map_then_fold_twelve_executes_under_cpython() {
-    assert_python_program_fixture_stdout("list_map_then_fold_twelve", "12");
-}
-
-#[test]
-fn emitted_python_list_filter_then_fold_seven_executes_under_cpython() {
-    assert_python_program_fixture_stdout("list_filter_then_fold_seven", "7");
-}
-
-#[test]
-fn emitted_python_nested_list_builtins_inside_lambda_six_executes_under_cpython() {
-    assert_python_program_fixture_stdout("nested_list_builtins_inside_lambda_six", "6");
-}
-
-fn next_roundtrip_dir() -> PathBuf {
-    let id = ROUNDTRIP_ID.fetch_add(1, Ordering::Relaxed);
-    std::env::temp_dir().join(format!(
-        "v3_emit_python_roundtrip_{}_{}",
-        std::process::id(),
-        id
-    ))
-}
-
-fn deps_dir() -> PathBuf {
-    std::env::current_exe()
-        .expect("current test binary path")
-        .parent()
-        .expect("deps dir")
-        .to_path_buf()
-}
-
-fn find_current_rlib(crate_name: &str) -> PathBuf {
-    let prefix = format!("lib{crate_name}-");
-    let mut matches: Vec<PathBuf> = std::fs::read_dir(deps_dir())
-        .expect("read deps dir")
-        .filter_map(|entry| {
-            let path = entry.ok()?.path();
-            let file_name = path.file_name()?.to_str()?;
-            if file_name.starts_with(&prefix) && file_name.ends_with(".rlib") {
-                Some(path)
-            } else {
-                None
-            }
-        })
-        .collect();
-    matches.sort_by_key(|path| {
-        std::fs::metadata(path)
-            .and_then(|meta| meta.modified())
-            .ok()
-    });
-    matches
-        .into_iter()
-        .last()
-        .expect("compiled rlib for current crate")
-}
-
-fn compile_with_current_crate(src_path: &Path, bin_path: &Path) {
-    let deps = deps_dir();
-    let current_rlib = find_current_rlib("v3_compiler");
-    let compile = Command::new("rustc")
-        // See common::RustcHarness::compile: strip RUSTC_BOOTSTRAP so the ratchet
-        // CI step's libtest unlock does not leak into child rustc invocations.
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(src_path)
-        .arg("-o")
-        .arg(bin_path)
-        .arg("-L")
-        .arg(format!("dependency={}", deps.display()))
-        .arg("--extern")
-        .arg(format!("v3_compiler={}", current_rlib.display()))
-        .stdout(Stdio::inherit())
-        .stderr(Stdio::inherit())
-        .status()
-        .expect("invoke rustc");
-    assert!(compile.success(), "rustc failed on emitted lens source");
-}
-
-fn roundtrip_rust_lens_render(
-    module_source: &str,
-    program_source: &str,
-    file_name: &str,
-) -> String {
-    let wrapped = format!(
-        "mod emitted {{ use v3_compiler::dag::*; use v3_compiler::diagnostics::*; {module_source} }} \
-         fn render(dag: &v3_compiler::Dag, function: v3_compiler::dag::NodeId) -> String {{ \
-           dag.nodes().iter().find_map(|node| match node {{ \
-             v3_compiler::dag::Behavior::Bind(bind) if bind.id == function => Some(bind.name.clone()), \
-             _ => None \
-           }}).unwrap_or_else(|| format!(\"{{:?}}\", function)) \
-         }} \
-         fn main() {{ \
-           let dag = v3_compiler::compile_to_dag({program_source:?}, {file_name:?}).expect(\"compiles\"); \
-           let mut rendered: Vec<String> = emitted::check(&dag).iter().map(|v| format!(\"{{}}:param[{{}}]\", render(&dag, v.function), v.parameter_index)).collect(); \
-           rendered.sort(); \
-           println!(\"{{}}\", rendered.join(\"|\")); \
-         }}"
-    );
-
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("main.rs");
-    let bin_path = tmp_dir.join("main_bin");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(wrapped.as_bytes()))
-        .expect("write wrapped rust source");
-
-    compile_with_current_crate(&src_path, &bin_path);
-
-    let run = Command::new(&bin_path)
-        .output()
-        .expect("run compiled rust binary");
-    assert!(run.status.success(), "compiled rust binary failed");
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-fn python_runtime_prelude() -> &'static str {
-    r#"
-from dataclasses import dataclass
-import typing
-
-NodeId = str
-PortId = str
-DeclarationId = str
-
-@dataclass
-class SourceSpan:
-    file: str
-    start: int
-    end: int
-
-@dataclass
-class DagPort:
-    id: PortId
-    state: typing.Any
-    produced_by: typing.Optional[NodeId]
-
-@dataclass
-class BranchPath:
-    body: NodeId
-    result_port: PortId
-    pattern: typing.Any = None
-    binding: typing.Any = None
-
-class LoopBound:
-    pass
-
-@dataclass
-class LoopBound_Cardinality(LoopBound):
-    count: PortId
-
-@dataclass
-class LoopBound_Descent(LoopBound):
-    cluster: str
-    measure: PortId
-
-@dataclass
-class ValueNode:
-    id: NodeId
-    payload: typing.Any
-    result_port: PortId
-    span: SourceSpan
-
-@dataclass
-class TransformNode:
-    id: NodeId
-    target: typing.Any
-    inputs: list[PortId]
-    result_port: PortId
-    span: SourceSpan
-
-@dataclass
-class BranchNode:
-    id: NodeId
-    input: PortId
-    paths: list[BranchPath]
-    result_port: PortId
-    span: SourceSpan
-    emit_participation: typing.Any
-
-@dataclass
-class LoopNode:
-    id: NodeId
-    source: PortId
-    init: PortId
-    body: NodeId
-    bound: LoopBound
-    result_port: PortId
-    span: SourceSpan
-
-@dataclass
-class BindNode:
-    id: NodeId
-    name: str
-    result_port: PortId
-    params: list[PortId]
-    span: SourceSpan
-    emit_participation: typing.Any
-
-class Behavior:
-    pass
-
-@dataclass
-class Behavior_Value(Behavior):
-    _0: ValueNode
-
-@dataclass
-class Behavior_Transform(Behavior):
-    _0: TransformNode
-
-@dataclass
-class Behavior_Branch(Behavior):
-    _0: BranchNode
-
-@dataclass
-class Behavior_Loop(Behavior):
-    _0: LoopNode
-
-@dataclass
-class Behavior_Bind(Behavior):
-    _0: BindNode
-
-@dataclass
-class Dag:
-    declarations: list[typing.Any]
-    nodes: list[Behavior]
-    ports: list[DagPort]
-    clusters: list[typing.Any]
-
-def port(d: Dag, id: PortId) -> typing.Optional[DagPort]:
-    for p in d.ports:
-        if p.id == id:
-            return p
-    return None
-
-def node(d: Dag, id: NodeId) -> typing.Optional[Behavior]:
-    for n in d.nodes:
-        if n._0.id == id:
-            return n
-    return None
-"#
-}
-
-fn roundtrip_python_lens_render(
-    module_source: &str,
-    program_source: &str,
-    file_name: &str,
-) -> String {
-    let dag = compile_to_dag(program_source, file_name).expect("program compiles");
-    let serialized_dag = serialize_dag(&dag);
-    let (future_import, module_source) = split_future_annotations(module_source);
-    let wrapped = format!(
-        "{}{}{}\n\ndag = {}\n\ndef render(dag: Dag, function: NodeId) -> str:\n    for node in dag.nodes:\n        if isinstance(node, Behavior_Bind) and node._0.id == function:\n            return node._0.name\n    return function\n\nrendered = [f\"{{render(dag, v.function)}}:param[{{v.parameter_index}}]\" for v in check(dag)]\nrendered.sort()\nprint(\"|\".join(rendered))\n",
-        future_import,
-        python_runtime_prelude(),
-        module_source,
-        serialized_dag
-    );
-
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("main.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(wrapped.as_bytes()))
-        .expect("write wrapped python source");
-
-    let run = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("run python3");
-    assert!(
-        run.status.success(),
-        "python3 failed on emitted source:\n{}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-fn run_python_module(module_source: &str) {
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("module.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(module_source.as_bytes()))
-        .expect("write python module source");
-
-    let run = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("run python3");
-    assert!(
-        run.status.success(),
-        "python3 failed on emitted module:\n{}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-}
-
-fn split_future_annotations(module_source: &str) -> (&str, &str) {
-    let future = "from __future__ import annotations\n\n";
-    module_source
-        .strip_prefix(future)
-        .map(|rest| (future, rest))
-        .unwrap_or(("", module_source))
-}
-
-fn serialize_dag(dag: &Dag) -> String {
-    format!(
-        "Dag(declarations=[], nodes=[{}], ports=[{}], clusters=[])",
-        dag.nodes()
-            .iter()
-            .map(serialize_behavior)
-            .collect::<Vec<_>>()
-            .join(", "),
-        dag.ports()
-            .iter()
-            .map(serialize_port)
-            .collect::<Vec<_>>()
-            .join(", ")
-    )
-}
-
-fn serialize_behavior(node: &Behavior) -> String {
-    match node {
-        Behavior::Value(value) => format!("Behavior_Value({})", serialize_value_node(value)),
-        Behavior::Transform(transform) => {
-            format!(
-                "Behavior_Transform({})",
-                serialize_transform_node(transform)
-            )
-        }
-        Behavior::Branch(branch) => format!("Behavior_Branch({})", serialize_branch_node(branch)),
-        Behavior::Loop(loop_node) => format!("Behavior_Loop({})", serialize_loop_node(loop_node)),
-        Behavior::Bind(bind) => format!("Behavior_Bind({})", serialize_bind_node(bind)),
-    }
-}
-
-fn serialize_value_node(node: &ValueNode) -> String {
-    format!(
-        "ValueNode(id={}, payload=None, result_port={}, span={})",
-        py_debug(&node.id),
-        py_debug(&node.result_port()),
-        serialize_span(&node.span)
-    )
-}
-
-fn serialize_transform_node(node: &TransformNode) -> String {
-    format!(
-        "TransformNode(id={}, target=None, inputs=[{}], result_port={}, span={})",
-        py_debug(&node.id),
-        node.inputs
-            .iter()
-            .map(py_debug)
-            .collect::<Vec<_>>()
-            .join(", "),
-        py_debug(&node.result_port()),
-        serialize_span(&node.span)
-    )
-}
-
-fn serialize_branch_node(node: &BranchNode) -> String {
-    format!(
-        "BranchNode(id={}, input={}, paths=[{}], result_port={}, span={}, emit_participation={})",
-        py_debug(&node.id),
-        py_debug(&node.input),
-        node.paths
-            .iter()
-            .map(serialize_branch_path)
-            .collect::<Vec<_>>()
-            .join(", "),
-        py_debug(&node.result_port()),
-        serialize_span(&node.span),
-        serialize_opt_branch_emit_participation(node.emit_participation())
-    )
-}
-
-fn serialize_branch_path(path: &DagPath) -> String {
-    format!(
-        "BranchPath(body={}, result_port={})",
-        py_debug(&path.body),
-        py_debug(&path.result_port())
-    )
-}
-
-fn serialize_loop_node(node: &LoopNode) -> String {
-    format!(
-        "LoopNode(id={}, source={}, init={}, body={}, bound={}, result_port={}, span={})",
-        py_debug(&node.id),
-        py_debug(&node.source),
-        py_debug(&node.init),
-        py_debug(&node.body),
-        serialize_loop_bound(&node.bound),
-        py_debug(&node.result_port()),
-        serialize_span(&node.span)
-    )
-}
-
-fn serialize_loop_bound(bound: &LoopBound) -> String {
-    match bound {
-        LoopBound::Cardinality { count } => {
-            format!("LoopBound_Cardinality(count={})", py_debug(count))
-        }
-        LoopBound::Descent { cluster, measure } => {
-            format!(
-                "LoopBound_Descent(cluster={}, measure={})",
-                py_debug(cluster),
-                py_debug(measure)
-            )
-        }
-    }
-}
-
-fn serialize_bind_node(node: &BindNode) -> String {
-    format!(
-        "BindNode(id={}, name={:?}, result_port={}, params=[{}], span={}, emit_participation={})",
-        py_debug(&node.id),
-        node.name,
-        py_debug(&node.result_port()),
-        node.params
-            .iter()
-            .map(py_debug)
-            .collect::<Vec<_>>()
-            .join(", "),
-        serialize_span(&node.span),
-        serialize_opt_bind_emit_participation(node.emit_participation())
-    )
-}
-
-fn serialize_opt_bind_emit_participation(p: Option<BindEmitParticipation>) -> String {
-    match p {
-        None => "None".to_string(),
-        // Valid Python expression embedded in `dag = Dag(...)` (not Rust `Some(Enum::Variant)` syntax).
-        Some(BindEmitParticipation::UserCallable) => "\"UserCallable\"".to_string(),
-    }
-}
-
-fn serialize_opt_branch_emit_participation(p: Option<BranchEmitParticipation>) -> String {
-    match p {
-        None => "None".to_string(),
-        Some(BranchEmitParticipation::UserMatch) => "\"UserMatch\"".to_string(),
-    }
-}
-
-fn serialize_port(port: &Port) -> String {
-    let produced_by = port
-        .produced_by
-        .map(|id| py_debug(&id))
-        .unwrap_or_else(|| "None".to_string());
-    format!(
-        "DagPort(id={}, state=None, produced_by={})",
-        py_debug(&port.id()),
-        produced_by
-    )
-}
-
-fn serialize_span(span: &v3_compiler::diagnostics::SourceSpan) -> String {
-    format!(
-        "SourceSpan(file={:?}, start={}, end={})",
-        span.file, span.byte_start, span.byte_end
-    )
-}
-
-fn py_debug<T: std::fmt::Debug>(value: &T) -> String {
-    let inner = format!("{value:?}");
-    format!("{inner:?}")
-}
-
-#[test]
-fn serialize_dag_embeds_valid_python_emit_participation_literals() {
-    let bind_src = "fn keep(a: Int, b: Int) -> Int = a";
-    let dag = compile_to_dag(bind_src, "serialize_emit_part_bind.v3").expect("compiles");
-    let s = serialize_dag(&dag);
-    assert!(
-        !s.contains("BindEmitParticipation::"),
-        "serialized DAG must not embed Rust enum paths (invalid Python): {s}"
-    );
-    assert!(
-        s.contains("\"UserCallable\""),
-        "expected Python str literal for user-callable bind participation: {s}"
-    );
-
-    let match_src = "type P = One(Int) | Zero
-fn f(p: P) -> Int = match p { One(_) => 1, Zero => 0 }";
-    let dag = compile_to_dag(match_src, "serialize_emit_part_match.v3").expect("compiles");
-    let s = serialize_dag(&dag);
-    assert!(
-        !s.contains("BranchEmitParticipation::"),
-        "serialized DAG must not embed Rust enum paths (invalid Python): {s}"
-    );
-    assert!(
-        s.contains("\"UserMatch\""),
-        "expected Python str literal for user-match branch participation: {s}"
-    );
-}
-
-// unused_parameters.dag contains recursive helpers (walk_steps etc.) that
-// lower to Behavior::Loop. emit_python renders those by emitting the body
-// DAG's result port, which preserves the recursive self-calls — Python
-// supports recursion natively, so the emitted code is semantically correct.
-#[test]
-fn emit_python_module_marks_ownership_as_skipped_for_gc_target() {
-    let module = emit_python_lens_module();
-    assert!(
-        module.contains("# ownership skipped: GarbageCollected / LexicalScoping"),
-        "expected ownership-skip trace in emitted Python module, got:\n{module}"
-    );
-}
-
-#[test]
-fn emit_python_module_defers_annotation_evaluation() {
-    let module = emit_python_module_from_source(
-        "\
-type First = WrapSecond(Second) | FirstNone
-type Second = WrapFirst(First) | SecondNone
-",
-        "recursive_types.v3",
-    );
-    assert!(
-        module.starts_with("from __future__ import annotations\n"),
-        "expected future-annotations import at module top, got:\n{module}"
-    );
-    run_python_module(&module);
-}
-
-#[test]
-fn emit_python_module_qualifies_variant_class_names_by_parent_type() {
-    let module = emit_python_module_from_source(
-        "\
-type First = Shared(Int) | FirstMissing
-type Second = Shared(String) | SecondMissing
-fn make_first(x: Int) -> First = Shared(x)
-fn make_second(x: String) -> Second = Shared(x)
-fn first_value(v: First) -> Int = match v { Shared(n) => n, FirstMissing => 0 }
-fn second_value(v: Second) -> String = match v { Shared(s) => s, SecondMissing => \"\" }
-",
-        "variant_collision.v3",
-    );
-    assert!(
-        module.contains("class First_Shared(First):"),
-        "expected qualified runtime class for First.Shared, got:\n{module}"
-    );
-    assert!(
-        module.contains("class Second_Shared(Second):"),
-        "expected qualified runtime class for Second.Shared, got:\n{module}"
-    );
-    assert!(
-        module.contains("return First_Shared(p0)"),
-        "expected qualified constructor call for First.Shared, got:\n{module}"
-    );
-    assert!(
-        module.contains("return Second_Shared(p0)"),
-        "expected qualified constructor call for Second.Shared, got:\n{module}"
-    );
-    assert!(
-        module.contains("isinstance(__match, First_Shared)"),
-        "expected qualified match guard for First.Shared, got:\n{module}"
-    );
-    assert!(
-        module.contains("isinstance(__match, Second_Shared)"),
-        "expected qualified match guard for Second.Shared, got:\n{module}"
-    );
-    assert!(
-        !module.contains("class Shared("),
-        "unexpected unqualified runtime class survived in emitted module:\n{module}"
-    );
-}
-
-/// E-5 / Lane 1 Stage 1c PR 3 pilot — unused match-arm payload
-/// bindings never leak the source-level identifier into emitted
-/// Python. `python_clean_emission.pattern_bindings =
-/// NotApplicablePatternBinding` encodes the structural fact that
-/// emit_python does not use Python's native `match` statement and
-/// therefore has no pattern-site to emit a binding at; it
-/// substitutes an extraction expression (`__match._0` / `__match`)
-/// at every payload-port reference in the rendered arm body, and
-/// unused references produce no identifier at all.
-///
-/// Before the pilot the emitter dropped the binding into
-/// `arm_locals.names` unconditionally without consulting the
-/// contract. After the pilot the dispatch reads
-/// `python_clean_emission` via the typed `PatternBindingRuleVariants`
-/// cache (Lane 1 Stage 1c PR 2.5) and rejects Python-invalid
-/// variants at contract-parse time.
-#[test]
-fn emit_python_unused_payload_binding_never_leaks_identifier() {
-    let module = emit_python_module_from_source(
-        "type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(unique_value) => 0, Empty => 1 }",
-        "python_clean_emission_unused.v3",
-    );
-    assert!(
-        !module.contains("unique_value"),
-        "unused payload leaked binding identifier into emitted Python, got:\n{module}"
-    );
-    assert!(
-        module.contains("isinstance(__match, BoxedInt_Boxed)"),
-        "expected qualified isinstance dispatch, got:\n{module}"
-    );
-    run_python_module(&module);
-}
-
-/// Complement to `emit_python_unused_payload_binding_never_leaks_identifier`:
-/// when the arm body references the payload binding, the emitter
-/// substitutes `__match._0` at the port reference. The source-level
-/// identifier is still absent — Python's
-/// `NotApplicablePatternBinding` rule never surfaces it, used or
-/// unused. Proves the contract dispatch doesn't regress the
-/// used-binding path.
-#[test]
-fn emit_python_used_payload_binding_substitutes_match_extraction() {
-    let module = emit_python_module_from_source(
-        "type BoxedInt = Boxed(Int) | Empty
-fn use_payload(b: BoxedInt) -> Int = match b { Boxed(unique_value) => unique_value, Empty => 1 }",
-        "python_clean_emission_used.v3",
-    );
-    assert!(
-        !module.contains("unique_value"),
-        "used payload leaked binding identifier into emitted Python, got:\n{module}"
-    );
-    assert!(
-        module.contains("__match._0"),
-        "expected used payload to render via __match._0 substitution, got:\n{module}"
-    );
-    run_python_module(&module);
-}
-
-#[test]
-fn emit_python_named_single_field_payload_projects_from_match_value() {
-    let module = emit_python_module_from_source(
-        "type Point { x: Int y: Int }
-type Wrapped = Wrap { inner: Point } | Empty
-fn unwrap_or_zero(w: Wrapped) -> Int = match w { Wrap(payload) => payload.inner.x, Empty => 0 }",
-        "python_variant_payload_named_single.v3",
-    );
-    assert!(
-        module.contains("__match.inner.x"),
-        "expected named single-field payload access to project from __match, got:\n{module}"
-    );
-    assert!(
-        !module.contains("__match.inner.inner"),
-        "named single-field payload access must not double-project through the inner field, got:\n{module}"
-    );
-    run_python_module(&module);
-}
-
-#[test]
-fn emit_python_named_multi_field_payload_projects_from_match_value() {
-    let module = emit_python_module_from_source(
-        "type Pair = Both { left: Int right: Int } | Empty
-fn right_or_zero(p: Pair) -> Int = match p { Both(payload) => payload.right, Empty => 0 }",
-        "python_variant_payload_named_multi.v3",
-    );
-    assert!(
-        module.contains("__match.right"),
-        "expected named multi-field payload access to project from __match, got:\n{module}"
-    );
-    assert!(
-        !module.contains("payload.right"),
-        "named multi-field payload access must not leak the source binding name, got:\n{module}"
-    );
-    run_python_module(&module);
-}
-
-/// E-5 / Lane 1 Stage 1c PR 4 — emitted Python passes
-/// `python_clean_emission.post_emit_verifier` as invoked through
-/// the shared harness (`python3 -m py_compile` +
-/// `IgnoreVerifierOutput`). Reads the contract via
-/// `parse_post_emit_verifier` so any future spec change (different
-/// verifier, new args) picks up automatically without updating the
-/// test body.
-///
-/// This is the sole py_compile roundtrip for the Python pilot —
-/// there is no separate hardcoded-command version. `run_post_emit_verifier`
-/// IS the only verifier-invocation authority the test suite uses, so
-/// spec drift (e.g. flipping to `ruff --select=E` in the future)
-/// shows up here without test-code edits.
-///
-/// Gated behind `#[ignore]` — CI sandboxes don't always carry
-/// python3. Run locally:
-///
-///     cargo test -p v3-compiler --test m1_4_emit_python_test \
-///         python_pilot_source_passes_post_emit_verifier_harness \
-///         -- --ignored --nocapture
-#[test]
-#[ignore]
-fn python_pilot_source_passes_post_emit_verifier_harness() {
-    use v3_compiler::post_emit_verifier::{parse_post_emit_verifier, run_post_emit_verifier};
-    let source = "type BoxedInt = Boxed(Int) | Empty
-fn ignore_payload(b: BoxedInt) -> Int = match b { Boxed(unique_value) => 0, Empty => 1 }";
-    let dag = compile_to_dag(source, "python_post_emit_verifier.v3").expect("source compiles");
-    let spec = dag
-        .python_clean_emission_spec()
-        .expect("python_clean_emission cached");
-    let binding = parse_post_emit_verifier(&dag, spec).expect("parse contract");
-    let rendered = emit_python_module(&dag).expect("emits python module");
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("module.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write python source");
-    run_post_emit_verifier(&binding, &src_path)
-        .expect("python post_emit_verifier rejected pilot source — E-5 contract regression");
-}
-
-#[test]
-fn emitted_python_lens_matches_emitted_rust_lens_on_reflected_programs() {
-    let rust_module = emit_rust_lens_module();
-    let python_module = emit_python_lens_module();
-
-    let fixtures = [
-        (
-            "fn keep(a: Int, b: Int) -> Int = a",
-            "unused_fixture.v3",
-            "keep:param[1]",
-        ),
-        (
-            "fn count_down(n: Int, marker: Int) -> Int = if n == 0 then 0 else count_down(n - 1, marker)",
-            "loop_fixture.v3",
-            "",
-        ),
-    ];
-
-    for (source, file_name, expected) in fixtures {
-        let rust_rendered = roundtrip_rust_lens_render(&rust_module, source, file_name);
-        let python_rendered = roundtrip_python_lens_render(&python_module, source, file_name);
-        assert_eq!(
-            python_rendered, rust_rendered,
-            "python and rust emitted lenses diverged for {file_name}"
-        );
-        assert_eq!(
-            python_rendered, expected,
-            "unexpected rendered unused-parameter set for {file_name}"
-        );
-    }
-}
-
-/// Direct receipt that a plain recursive user function lowers through
-/// `Behavior::Loop` and emits correct Python. The source uses descent-provable
-/// recursion (first arg decrements by 1), so it lowers to a Cardinality-bound
-/// Loop. Emitting and running it proves the body-port rendering preserves the
-/// recursive self-call and produces the right result.
-///
-/// `count(6)` = 6 (counts non-negative integers from n down to 0, returns n).
-/// `count(0)` = 0 (base case).
-///
-/// Gated `#[ignore]` — CI sandboxes may not carry python3.
-/// Run locally:
-///     cargo test -p v3-compiler --test integration \
-///         emit_python_recursive_fn_produces_correct_result -- --ignored --nocapture
-#[test]
-#[ignore]
-fn emit_python_recursive_fn_produces_correct_result() {
-    let source = "\
-fn count(n: Int) -> Int = if n == 0 then 0 else 1 + count(n - 1)
-let result: Int = count(6)
-";
-    let dag = compile_to_dag(source, "recursive_loop_receipt.v3").expect("compiles");
-
-    // Verify Loop node is present — this is the structural claim.
-    let has_loop = dag
-        .nodes()
-        .iter()
-        .any(|b| matches!(b, v3_compiler::dag::Behavior::Loop(_)));
-    assert!(has_loop, "recursive fn must lower to Behavior::Loop");
-
-    let rendered = emit_python_text(&dag).expect("emits python");
-
-    // Structural: the recursive call must appear in the emitted source.
-    assert!(
-        rendered.contains("count("),
-        "recursive self-call must appear in emitted Python: {rendered}"
-    );
-
-    // Execution: python3 must print the correct result.
-    let tmp_dir = next_roundtrip_dir();
-    std::fs::create_dir_all(&tmp_dir).expect("create tmp dir");
-    let src_path = tmp_dir.join("main.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write python source");
-
-    let run = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("run python3");
-    assert!(
-        run.status.success(),
-        "python3 failed on emitted recursive source:\n{}\nstderr:\n{}",
-        rendered,
-        String::from_utf8_lossy(&run.stderr)
-    );
-    let stdout = String::from_utf8_lossy(&run.stdout).trim().to_string();
-    assert_eq!(stdout, "6", "count(6) must print 6, got: {stdout}");
-}
diff --git a/src/v3/compiler/tests/boundary/m1_5_emit_omni_demo_test.rs b/src/v3/compiler/tests/boundary/m1_5_emit_omni_demo_test.rs
deleted file mode 100644
index fd3d51fba1c..00000000000
--- a/src/v3/compiler/tests/boundary/m1_5_emit_omni_demo_test.rs
+++ /dev/null
@@ -1,129 +0,0 @@
-//! **Layer:** boundary (TESTING.md § test layers — class-5 multi-target
-//! toolchain roundtrip).
-//!
-//! Two tests live here:
-//!
-//! * `emit_omni_demo_rust_roundtrip` — non-ignored CI gate.  Emits all
-//!   omni-set fixtures to Rust, compiles via rustc, and checks stdout.
-//!   Rustc is always available so this runs unconditionally.
-//!
-//! * `emit_omni_demo_fixtures_green` — T-Emit lane closure receipt.
-//!   Marked `#[ignore]` because it requires Go **and** Python toolchains
-//!   that are not present in CI.  When run with `--ignored` it asserts
-//!   both toolchains are reachable and fails hard if either is absent;
-//!   a missing toolchain is an unmet receipt, not a skip.
-//!
-//! Run the full three-way proof locally:
-//!
-//!   cargo test -p v3-compiler --test integration \
-//!       emit_omni_demo_fixtures_green -- --ignored --nocapture
-
-use std::io::Write;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-use crate::common::cached_compile_to_dag;
-use crate::common::determinism_fixtures::{GO_EMIT_EXCLUDE, PROGRAM_FIXTURES, PYTHON_EMIT_EXCLUDE};
-use v3_compiler::emit_rust::emit_rust;
-use v3_compiler::r1c_e_gates;
-
-static ROUNDTRIP_ID: AtomicUsize = AtomicUsize::new(0);
-
-struct TmpDir(PathBuf);
-
-impl TmpDir {
-    fn new() -> Self {
-        let id = ROUNDTRIP_ID.fetch_add(1, Ordering::Relaxed);
-        let path = std::env::temp_dir().join(format!(
-            "v3_emit_omni_roundtrip_{}_{}",
-            std::process::id(),
-            id
-        ));
-        std::fs::create_dir_all(&path).expect("create tmp dir");
-        TmpDir(path)
-    }
-
-    fn path(&self) -> &Path {
-        &self.0
-    }
-}
-
-impl Drop for TmpDir {
-    fn drop(&mut self) {
-        let _ = std::fs::remove_dir_all(&self.0);
-    }
-}
-
-fn omni_fixtures() -> Vec<&'static crate::common::determinism_fixtures::ProgramFixture> {
-    PROGRAM_FIXTURES
-        .iter()
-        .filter(|f| !GO_EMIT_EXCLUDE.contains(&f.name))
-        .filter(|f| !PYTHON_EMIT_EXCLUDE.contains(&f.name))
-        .collect()
-}
-
-/// Emit `source` as a Rust program, compile via rustc, run, and return
-/// trimmed stdout.  Panics if rustc compilation or execution fails.
-fn rust_stdout(source: &str) -> String {
-    let dag = cached_compile_to_dag(source, "omni_parity.v3");
-    let rendered = emit_rust(&dag).expect("Rust emit succeeded");
-    let tmp_dir = TmpDir::new();
-    let src_path = tmp_dir.path().join("main.rs");
-    let bin_path = tmp_dir.path().join("main_bin");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(rendered.as_bytes()))
-        .expect("write rust source");
-
-    let compile = Command::new("rustc")
-        // Strip RUSTC_BOOTSTRAP so the ratchet CI step's libtest unlock
-        // does not leak into child rustc invocations.
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .stdout(Stdio::inherit())
-        .stderr(Stdio::inherit())
-        .status()
-        .expect("invoke rustc");
-    assert!(
-        compile.success(),
-        "rustc failed on emitted source:\n{rendered}"
-    );
-
-    let run = Command::new(&bin_path).output().expect("run rust binary");
-    assert!(run.status.success(), "compiled rust binary exited non-zero");
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-/// CI gate: Rust-only roundtrip over all omni fixtures.
-///
-/// Rustc is always available; this test runs unconditionally.  It proves
-/// that the omni fixture set emits valid, executable Rust — the minimum bar
-/// for every commit.
-#[test]
-fn emit_omni_demo_rust_roundtrip() {
-    let fixtures = omni_fixtures();
-    assert!(
-        !fixtures.is_empty(),
-        "omni fixture set must not be empty — check exclude lists"
-    );
-    for fixture in &fixtures {
-        rust_stdout(fixture.source);
-    }
-}
-
-/// T-Emit lane closure receipt: all three targets produce identical stdout.
-///
-/// Marked `#[ignore]` because `go` and `python3` are not present in CI.
-/// Run locally with `--ignored` to execute the full three-way proof.  The
-/// test asserts both toolchains are reachable and **fails hard** if either
-/// is absent — a missing toolchain is an unmet receipt, not a skip.
-#[test]
-#[ignore = "requires go and python3 toolchains; run locally: cargo test ... -- --ignored --nocapture"]
-fn emit_omni_demo_fixtures_green() {
-    if let Err(detail) = r1c_e_gates::check_omni_demo_fixtures_green() {
-        panic!("emit_omni_demo_fixtures_green: {detail}");
-    }
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_go_r1_r2_r3_external_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_go_r1_r2_r3_external_test.rs
deleted file mode 100644
index 8cc05df340e..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_go_r1_r2_r3_external_test.rs
+++ /dev/null
@@ -1,280 +0,0 @@
-//! **Layer:** boundary — Go target exercise for v4 leaf-model go R1 / R2a / R2b / R3-external.
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag`; claim wiring in
-//! `go_r1.dag`, `go_r2a.dag`, `go_r2b.dag`, `go_r3_external.dag`.
-//! Temporary host bridge: this test exercises `go build` / `go run` until T-22
-//! `run_target_verification` owns the modeled rows directly.
-//!
-//! **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** same-path expansion (+0
-//! census paths); explicit deferral **T-PB-B** / `_internal/ROADMAP_OPS.md` `pb_rust_tests_outside_residual_zero`;
-//! dissolve when T-22 `run_target_verification` owns Go leaf claims without this bridge (#4243).
-//! R2b falsification is a harness divergence probe (wrong `want` → panic), not a semantic alt-behavior witness.
-
-use std::io::Write;
-use std::process::{Command, Stdio};
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-
-const R1_HAPPY: &str = "package leafmodel\n\nfunc r1() int { return 0 }\n";
-const R1_FALSIFICATION: &str = "package leafmodel\n\nfunc r1() i32 { return 0 }\n";
-
-const R2A_HAPPY: &str =
-    "package leafmodel\n\nfunc r2a(a int, b int) (int, bool) { return a + b, a < b }\n";
-const R2A_FALSIFICATION: &str =
-    "package leafmodel\n\nfunc r2a(a int) int { return a.log2_exact() }\n";
-
-const R2B_HAPPY: &str = "package main\n\nimport \"math\"\n\nfunc main() {\n    var x int64 = math.MaxInt64\n    got := x + 1\n    want := int64(math.MinInt64)\n    if got != want {\n        panic(\"silent signed wrap: expected MinInt64\")\n    }\n}\n";
-
-const R2B_FALSIFICATION: &str = "package main\n\nimport \"math\"\n\nfunc main() {\n    var x int64 = math.MaxInt64\n    got := x + 1\n    want := int64(0)\n    if got != want {\n        panic(\"deliberately wrong expected wrap value\")\n    }\n}\n";
-
-const R3_HAPPY: &str = "package leafmodel\n\nfunc r3() string { return \"x\" }\n";
-const R3_FALSIFICATION: &str =
-    "package leafmodel\n\nfunc r3() string { return string(\"x\", \"y\") }\n";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('t') => out.push('\t'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-fn go_available() -> bool {
-    Command::new("go")
-        .arg("version")
-        .stdout(Stdio::null())
-        .stderr(Stdio::null())
-        .status()
-        .ok()
-        .is_some_and(|status| status.success())
-}
-
-fn scratch_dir(label: &str) -> std::path::PathBuf {
-    let suffix = std::process::id();
-    std::env::temp_dir().join(format!("v4_leaf_model_go_{label}_{suffix}"))
-}
-
-fn exercise_go_build(label: &str, source: &str) -> (i32, String) {
-    let tmp_dir = scratch_dir(label);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join("fixture.go");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let out_path = tmp_dir.join("fixture.out");
-    let output = Command::new("go")
-        .env("GO111MODULE", "off")
-        .args([
-            "build",
-            "-o",
-            out_path.to_str().unwrap(),
-            src_path.to_str().unwrap(),
-        ])
-        .output()
-        .expect("invoke go build on fixture");
-    let diagnostics = format!(
-        "{}{}",
-        String::from_utf8_lossy(&output.stdout),
-        String::from_utf8_lossy(&output.stderr)
-    );
-    let status = output.status.code().unwrap_or(1);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    (status, diagnostics)
-}
-
-fn exercise_go_run(label: &str, source: &str) -> (i32, String) {
-    let tmp_dir = scratch_dir(label);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join("main.go");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let output = Command::new("go")
-        .env("GO111MODULE", "off")
-        .args(["run", "main.go"])
-        .current_dir(&tmp_dir)
-        .output()
-        .expect("invoke go run on fixture");
-    let diagnostics = format!(
-        "{}{}",
-        String::from_utf8_lossy(&output.stdout),
-        String::from_utf8_lossy(&output.stderr)
-    );
-    let status = output.status.code().unwrap_or(1);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    (status, diagnostics)
-}
-
-#[test]
-fn v4_leaf_model_go_r1_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "go_r1_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "go_r1_falsification_fixture_source").unwrap();
-    assert_eq!(happy, R1_HAPPY);
-    assert_eq!(falsification, R1_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_go_r1_happy_fixture_compiles() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_build("r1_happy", R1_HAPPY);
-    assert_eq!(
-        status, 0,
-        "go build should accept R1 happy fixture; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_go_r1_falsification_fixture_rejects_i32() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_build("r1_falsification", R1_FALSIFICATION);
-    assert_ne!(status, 0, "falsification must not compile");
-    assert!(
-        diagnostics.contains("undefined: i32") || diagnostics.contains("undefined type: i32"),
-        "expected undefined i32 diagnostic; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_go_r2a_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "go_r2a_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "go_r2a_falsification_fixture_source").unwrap();
-    assert_eq!(happy, R2A_HAPPY);
-    assert_eq!(falsification, R2A_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_go_r2a_happy_fixture_compiles() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_build("r2a_happy", R2A_HAPPY);
-    assert_eq!(
-        status, 0,
-        "go build should accept R2a happy fixture; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_go_r2a_falsification_fixture_rejects_method() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_build("r2a_falsification", R2A_FALSIFICATION);
-    assert_ne!(status, 0, "falsification must not compile");
-    assert!(
-        diagnostics.contains("log2_exact"),
-        "expected missing log2_exact method diagnostic; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_go_r2b_runtime_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "go_r2b_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "go_r2b_falsification_fixture_source").unwrap();
-    assert_eq!(happy, R2B_HAPPY);
-    assert_eq!(falsification, R2B_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_go_r2b_int64_silent_overflow_truncates_at_runtime() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_run("r2b_happy", R2B_HAPPY);
-    assert_eq!(
-        status, 0,
-        "go run should observe int64 silent wrap to MinInt64; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_go_r2b_falsification_fixture_panics_at_runtime() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_run("r2b_falsification", R2B_FALSIFICATION);
-    assert_ne!(
-        status, 0,
-        "falsification must panic on wrong expected wrap; diagnostics:\n{diagnostics}"
-    );
-    assert!(
-        diagnostics.contains("deliberately wrong expected wrap value"),
-        "expected deliberate panic message; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_go_r3_external_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "go_r3_external_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "go_r3_external_falsification_fixture_source").unwrap();
-    assert_eq!(happy, R3_HAPPY);
-    assert_eq!(falsification, R3_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_go_r3_external_happy_fixture_compiles() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_build("r3_happy", R3_HAPPY);
-    assert_eq!(
-        status, 0,
-        "go build should accept R3 happy fixture; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_go_r3_external_falsification_fixture_rejects_conversion_arity() {
-    if !go_available() {
-        eprintln!("skipping Go toolchain boundary check: go not on PATH");
-        return;
-    }
-    let (status, diagnostics) = exercise_go_build("r3_falsification", R3_FALSIFICATION);
-    assert_ne!(status, 0, "falsification must not compile");
-    assert!(
-        diagnostics.contains("too many arguments")
-            || diagnostics.contains("too many arguments in conversion"),
-        "expected conversion arity diagnostic; diagnostics:\n{diagnostics}"
-    );
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_python_cross_runtime_drift_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_python_cross_runtime_drift_test.rs
deleted file mode 100644
index 2aa3c966c19..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_python_cross_runtime_drift_test.rs
+++ /dev/null
@@ -1,198 +0,0 @@
-//! **Layer:** boundary — cross-runtime drift detection for v4 leaf-model python.
-//!
-//! PY-L2-CROSS-RUNTIME-DRIFT — the positive-divergence complement of the L2 cross-target
-//! parity lane. The SAME modeled program (exact integer add at the fixed-width boundary,
-//! `MAX + 1`) realized in each target's native integer DIVERGES: Python's `int` is arbitrary
-//! precision (exact sum `9223372036854775808`), while Rust `i64` / Go `int64` are fixed-width
-//! two's-complement (defined wraparound to `-9223372036854775808`). This receipt asserts the
-//! drift POSITIVELY, so the verification system demonstrably DETECTS drift rather than treating
-//! wraparound as parity.
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag` (`python_cross_runtime_drift_*`);
-//! carrier `LeafModelCrossRuntimeDriftProbe` + `ValueDiff<String>` in
-//! `src/v4/std/leaf_model_verification.dag`; claim wiring in `python_cross_runtime_drift.dag`;
-//! host runner `scripts/v4-leaf-model-python-cross-runtime-drift-verify.sh`.
-
-use std::io::Write;
-use std::process::Command;
-
-const LENS_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-const LENS_DAG_PATH: &str = "src/v4/lens/leaf_model_verification.dag";
-const STD_DAG: &str = include_str!("../../../../v4/std/leaf_model_verification.dag");
-const STD_DAG_PATH: &str = "src/v4/std/leaf_model_verification.dag";
-const CLAIM_DAG: &str =
-    include_str!("../../../../v4/test/claim/language_model/python_cross_runtime_drift.dag");
-const CLAIM_DAG_PATH: &str = "src/v4/test/claim/language_model/python_cross_runtime_drift.dag";
-
-const PYTHON_SOURCE: &str =
-    "def add_exact(a: int, b: int) -> int:\n    return a + b\n\nif __name__ == \"__main__\":\n    print(add_exact((2 ** 63) - 1, 1))\n";
-const RUST_SOURCE: &str = "fn add_exact(a: i64, b: i64) -> i64 { a.wrapping_add(b) }\nfn main() {\n    println!(\"{}\", add_exact(i64::MAX, 1));\n}\n";
-
-const EXPECTED_ARBITRARY_PRECISION: &str = "9223372036854775808";
-const EXPECTED_FIXED_WIDTH: &str = "-9223372036854775808";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('t') => out.push('\t'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-/// Per-call-unique scratch dir. Rust tests run in parallel within one process and several tests
-/// call `run_python` with the same label, so a pid+label path would race (one test's
-/// `remove_dir_all` deletes another's fixture). A process-wide atomic counter makes every
-/// invocation's directory unique — hermetic per TESTING.md.
-fn scratch_dir(label: &str) -> std::path::PathBuf {
-    use std::sync::atomic::{AtomicU64, Ordering};
-    static COUNTER: AtomicU64 = AtomicU64::new(0);
-    let pid = std::process::id();
-    let seq = COUNTER.fetch_add(1, Ordering::Relaxed);
-    std::env::temp_dir().join(format!("v4_leaf_model_python_drift_{label}_{pid}_{seq}"))
-}
-
-/// Tokenize + parse a single `.dag` (full multi-module `compile_to_dag` is not hermetic per-file;
-/// this catches surface/syntax regressions in the new drift carriers).
-fn tokenize_and_parse(dag_text: &str, dag_path: &str) {
-    let tokens = v3_compiler::tokenize_for_test(dag_text, dag_path)
-        .unwrap_or_else(|e| panic!("{dag_path}: tokenize: {e:?}"));
-    let _module = v3_compiler::parse_for_test(&tokens, dag_path)
-        .unwrap_or_else(|e| panic!("{dag_path}: parse: {e:?}"));
-}
-
-#[test]
-fn v4_leaf_model_python_drift_dags_tokenize_and_parse() {
-    tokenize_and_parse(STD_DAG, STD_DAG_PATH);
-    tokenize_and_parse(LENS_DAG, LENS_DAG_PATH);
-    tokenize_and_parse(CLAIM_DAG, CLAIM_DAG_PATH);
-}
-
-#[test]
-fn v4_leaf_model_python_drift_fixture_strings_match_dag_authority() {
-    let py = extract_fixture_source(LENS_DAG, "python_cross_runtime_drift_python_source").unwrap();
-    let rs = extract_fixture_source(LENS_DAG, "python_cross_runtime_drift_rust_source").unwrap();
-    let py_val = extract_fixture_source(
-        LENS_DAG,
-        "python_cross_runtime_drift_arbitrary_precision_value",
-    )
-    .unwrap();
-    let fw_val =
-        extract_fixture_source(LENS_DAG, "python_cross_runtime_drift_fixed_width_value").unwrap();
-    assert_eq!(py, PYTHON_SOURCE);
-    assert_eq!(rs, RUST_SOURCE);
-    assert_eq!(py_val, EXPECTED_ARBITRARY_PRECISION);
-    assert_eq!(fw_val, EXPECTED_FIXED_WIDTH);
-}
-
-/// The modeled divergence is positive: the two `ValueDiff` arms differ.
-#[test]
-fn v4_leaf_model_python_drift_modeled_divergence_is_positive() {
-    assert_ne!(
-        EXPECTED_ARBITRARY_PRECISION, EXPECTED_FIXED_WIDTH,
-        "drift receipt requires arbitrary-precision value != fixed-width value"
-    );
-}
-
-fn run_python(source: &str) -> String {
-    let tmp_dir = scratch_dir("py");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join("fixture.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write python fixture");
-    let out = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("invoke python3");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    assert!(
-        out.status.success(),
-        "python fixture must run clean; stderr:\n{}",
-        String::from_utf8_lossy(&out.stderr)
-    );
-    String::from_utf8_lossy(&out.stdout).trim().to_string()
-}
-
-/// rustc is MANDATORY (fail-closed): the cross-runtime drift claim *is* Python arbitrary
-/// precision vs Rust fixed-width, and the host runner treats rustc as required for the same
-/// reason. The repo's other rust boundary tests (`v4_leaf_model_rust_*`) likewise invoke rustc
-/// unconditionally — it is the bootstrap toolchain, always present in a test environment.
-/// Skipping the assertion when rustc is absent would let a green receipt never exercise the
-/// drift pair, so we panic instead.
-fn run_rust(source: &str) -> String {
-    Command::new("rustc")
-        .arg("--version")
-        .output()
-        .expect("rustc must be available (mandatory for the Python-vs-Rust drift pair)");
-    let tmp_dir = scratch_dir("rs");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join("fixture.rs");
-    let bin_path = tmp_dir.join("fixture_rs");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write rust fixture");
-    let compile = Command::new("rustc")
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg("-O")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .output()
-        .expect("invoke rustc");
-    assert!(
-        compile.status.success(),
-        "rustc must accept the drift fixture; stderr:\n{}",
-        String::from_utf8_lossy(&compile.stderr)
-    );
-    let run = Command::new(&bin_path).output().expect("run rust binary");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-#[test]
-fn v4_leaf_model_python_drift_python_realizes_arbitrary_precision() {
-    let value = run_python(PYTHON_SOURCE);
-    assert_eq!(
-        value, EXPECTED_ARBITRARY_PRECISION,
-        "Python int must realize the exact arbitrary-precision sum"
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_drift_python_vs_rust_diverges() {
-    let python_value = run_python(PYTHON_SOURCE);
-    let rust_value = run_rust(RUST_SOURCE);
-    assert_eq!(
-        rust_value, EXPECTED_FIXED_WIDTH,
-        "Rust i64 must wrap to i64::MIN at the fixed-width boundary"
-    );
-    assert_ne!(
-        python_value, rust_value,
-        "cross-runtime DRIFT: Python arbitrary precision must diverge from Rust fixed-width"
-    );
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_python_l1_static_receipts_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_python_l1_static_receipts_test.rs
deleted file mode 100644
index b4076898a78..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_python_l1_static_receipts_test.rs
+++ /dev/null
@@ -1,108 +0,0 @@
-//! **Layer:** boundary - Python leaf-model L1 static structural receipts (pyright + mypy).
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag`,
-//! `src/v4/extdeps/typecheckers/{pyright,mypy}.dag`, and
-//! `src/v4/test/claim/language_model/python_l1_static.dag`.
-//! Host runner (Worksheet B, in-tree): `scripts/v4-leaf-model-python-l1-mypy-static-verify.sh`.
-//! Pyright Worksheet A `.dag` authorities are on-tree; the pyright host runner path is not
-//! (deleted `scripts/v4-leaf-model-python-l1-static-verify.sh` in #4252 script hygiene).
-//!
-//! **P5 receipt (`.github/PULL_REQUEST_TEMPLATE.md` Per-PR gate, disposition (2)):** same-PR
-//! `EXPECTED_HAND_AUTHORED_TEST` census delta **171 → 172** paths (literal in
-//! `self_gen0_census_test.rs`; T-PB-B partition: module doc lines 9–10 +
-//! `tests/boundary/README.md`). Workstream/lane (in-tree):
-//! `docs/planning/v4-python-rca-manager-worksheets-2026-06-01.md` Worksheet B (#4137 §11.8).
-//! **Dissolution:** delete this path when host runners are superseded by modeled verification
-//! over `src/v4/test/claim/language_model/python_l1_static.dag` (`src/v4/std/leaf_model_verification.dag`
-//! T-22 `run_target_verification` landing notes).
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-const PYRIGHT_DAG: &str = include_str!("../../../../v4/extdeps/typecheckers/pyright.dag");
-const MYPY_DAG: &str = include_str!("../../../../v4/extdeps/typecheckers/mypy.dag");
-const CLAIM_DAG: &str =
-    include_str!("../../../../v4/test/claim/language_model/python_l1_static.dag");
-const WORKSHEET: &str =
-    include_str!("../../../../../docs/planning/v4-python-rca-manager-worksheets-2026-06-01.md");
-
-const L1_STATIC_HAPPY: &str = "def l1_test() -> int:\n    return 0\n";
-const L1_STATIC_FALSIFICATION: &str = "def l1_test() -> int:\n    return \"not an int\"\n";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> String {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text
-        .lines()
-        .find(|line| line.starts_with(&needle))
-        .unwrap_or_else(|| panic!("missing {data_name} in fixture dag"));
-    let rest = line
-        .strip_prefix(&needle)
-        .and_then(|s| s.strip_suffix('"'))
-        .unwrap_or_else(|| panic!("malformed string literal for {data_name}"));
-    unescape_dag_string_literal(rest)
-}
-
-#[test]
-fn v4_leaf_model_python_l1_static_fixture_sources_match_dag_authority() {
-    assert_eq!(
-        extract_fixture_source(FIXTURE_DAG, "python_l1_static_happy_fixture_source"),
-        L1_STATIC_HAPPY
-    );
-    assert_eq!(
-        extract_fixture_source(FIXTURE_DAG, "python_l1_static_falsification_fixture_source"),
-        L1_STATIC_FALSIFICATION
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_l1_static_profiles_are_distinct_authorities() {
-    assert!(PYRIGHT_DAG.contains("data pyright_profile_l1: PyrightConfig"));
-    assert!(PYRIGHT_DAG.contains("pyright_diag_report_return_type"));
-    assert!(MYPY_DAG.contains("data mypy_profile_l1: MypyConfig"));
-    assert!(MYPY_DAG.contains("mypy_diag_return_value"));
-    assert!(FIXTURE_DAG.contains("fn python_l1_static_fixture_pair()"));
-    assert!(FIXTURE_DAG.contains("fn python_l1_static_mypy_fixture_pair()"));
-    assert!(FIXTURE_DAG.contains("tool_profile_ref: pyright_profile_l1_id"));
-    assert!(FIXTURE_DAG.contains("tool_profile_ref: mypy_profile_l1_id"));
-}
-
-#[test]
-fn v4_leaf_model_python_l1_static_claim_wires_blocking_verdicts() {
-    assert!(CLAIM_DAG.contains("claim_python_l1_static_fixture_pair_wired"));
-    assert!(CLAIM_DAG.contains("claim_python_l1_static_mypy_fixture_pair_wired"));
-    assert!(CLAIM_DAG.contains("claim_python_l1_static_mypy_expected_verdicts_wired"));
-    assert!(CLAIM_DAG.contains("BlockingForRung"));
-    assert!(CLAIM_DAG.contains("StaticAnalysisRejected"));
-    assert!(CLAIM_DAG.contains("pyright_diag_report_return_type"));
-    assert!(CLAIM_DAG.contains("mypy_diag_return_value"));
-    assert!(CLAIM_DAG.contains("python_l1_static_mypy_fixture"));
-    assert!(CLAIM_DAG.contains("mypy_profile_l1_id"));
-}
-
-#[test]
-fn v4_python_rca_worksheets_name_pyright_and_mypy_l1_static_lanes() {
-    assert!(WORKSHEET.contains("Worksheet A - pyright L1 Static Structural"));
-    assert!(WORKSHEET.contains("Worksheet B - mypy L1 Static Structural"));
-    assert!(WORKSHEET.contains("python_l1_static_mypy_fixture"));
-    assert!(WORKSHEET.contains("scripts/v4-leaf-model-python-l1-mypy-static-verify.sh"));
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_python_l2_cross_target_parity_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_python_l2_cross_target_parity_test.rs
deleted file mode 100644
index 006bc10f003..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_python_l2_cross_target_parity_test.rs
+++ /dev/null
@@ -1,253 +0,0 @@
-//! **Layer:** boundary — cross-target behavioral PARITY for v4 leaf-model python (Worksheet C).
-//!
-//! PY-L2-CROSS-TARGET-PARITY — the positive-agreement complement of the cross-runtime drift lane.
-//! The SAME modeled program realized in each target's native types AGREES on the common domain:
-//! small-value integer add (`2 + 3 = 5`, inside the subdomain where arbitrary-precision and
-//! two's-complement coincide) and external Symbol nominal/value projection (the payload `x`). This
-//! receipt asserts parity POSITIVELY, so the verification system demonstrably DISTINGUISHES the
-//! common domain (parity) from the fixed-width boundary (drift) rather than collapsing them.
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag` (`python_l2_parity_*`); carrier
-//! `LeafModelCrossTargetParityProbe` + `ValueDiff<String>` in
-//! `src/v4/std/leaf_model_verification.dag`; claim wiring in `python_l2_cross_target_parity.dag`.
-
-use std::io::Write;
-use std::process::Command;
-
-const LENS_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-const LENS_DAG_PATH: &str = "src/v4/lens/leaf_model_verification.dag";
-const STD_DAG: &str = include_str!("../../../../v4/std/leaf_model_verification.dag");
-const STD_DAG_PATH: &str = "src/v4/std/leaf_model_verification.dag";
-const CLAIM_DAG: &str =
-    include_str!("../../../../v4/test/claim/language_model/python_l2_cross_target_parity.dag");
-const CLAIM_DAG_PATH: &str = "src/v4/test/claim/language_model/python_l2_cross_target_parity.dag";
-
-const R2A_PYTHON_SOURCE: &str =
-    "def add_small(a: int, b: int) -> int:\n    return a + b\n\nif __name__ == \"__main__\":\n    print(add_small(2, 3))\n";
-const R2A_RUST_SOURCE: &str =
-    "fn add_small(a: i64, b: i64) -> i64 { a + b }\nfn main() {\n    println!(\"{}\", add_small(2, 3));\n}\n";
-const R2A_GO_SOURCE: &str =
-    "package main\n\nimport \"fmt\"\n\nfunc addSmall(a int64, b int64) int64 { return a + b }\n\nfunc main() {\n\tfmt.Println(addSmall(2, 3))\n}\n";
-const R2A_VALUE: &str = "5";
-
-const R3_PYTHON_SOURCE: &str =
-    "class Symbol:\n    def __init__(self, value: str):\n        self.value = value\n\ndef project() -> str:\n    return Symbol(\"x\").value\n\nif __name__ == \"__main__\":\n    print(project())\n";
-const R3_RUST_SOURCE: &str =
-    "struct Symbol { value: String }\nfn project() -> String { Symbol { value: \"x\".to_string() }.value }\nfn main() {\n    println!(\"{}\", project());\n}\n";
-const R3_GO_SOURCE: &str =
-    "package main\n\nimport \"fmt\"\n\ntype Symbol struct { value string }\n\nfunc project() string { return Symbol{ value: \"x\" }.value }\n\nfunc main() {\n\tfmt.Println(project())\n}\n";
-const R3_VALUE: &str = "x";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('t') => out.push('\t'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-/// Per-call-unique scratch dir (parallel-test safe — see drift test rationale).
-fn scratch_dir(label: &str) -> std::path::PathBuf {
-    use std::sync::atomic::{AtomicU64, Ordering};
-    static COUNTER: AtomicU64 = AtomicU64::new(0);
-    let pid = std::process::id();
-    let seq = COUNTER.fetch_add(1, Ordering::Relaxed);
-    std::env::temp_dir().join(format!("v4_leaf_model_python_parity_{label}_{pid}_{seq}"))
-}
-
-/// Tokenize + parse a single `.dag` (full multi-module `compile_to_dag` is not hermetic per-file).
-fn tokenize_and_parse(dag_text: &str, dag_path: &str) {
-    let tokens = v3_compiler::tokenize_for_test(dag_text, dag_path)
-        .unwrap_or_else(|e| panic!("{dag_path}: tokenize: {e:?}"));
-    let _module = v3_compiler::parse_for_test(&tokens, dag_path)
-        .unwrap_or_else(|e| panic!("{dag_path}: parse: {e:?}"));
-}
-
-#[test]
-fn v4_leaf_model_python_parity_dags_tokenize_and_parse() {
-    tokenize_and_parse(STD_DAG, STD_DAG_PATH);
-    tokenize_and_parse(LENS_DAG, LENS_DAG_PATH);
-    tokenize_and_parse(CLAIM_DAG, CLAIM_DAG_PATH);
-}
-
-#[test]
-fn v4_leaf_model_python_parity_fixture_strings_match_dag_authority() {
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r2a_python_source").unwrap(),
-        R2A_PYTHON_SOURCE
-    );
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r2a_rust_source").unwrap(),
-        R2A_RUST_SOURCE
-    );
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r2a_go_source").unwrap(),
-        R2A_GO_SOURCE
-    );
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r2a_value").unwrap(),
-        R2A_VALUE
-    );
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r3_python_source").unwrap(),
-        R3_PYTHON_SOURCE
-    );
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r3_rust_source").unwrap(),
-        R3_RUST_SOURCE
-    );
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r3_go_source").unwrap(),
-        R3_GO_SOURCE
-    );
-    assert_eq!(
-        extract_fixture_source(LENS_DAG, "python_l2_parity_r3_value").unwrap(),
-        R3_VALUE
-    );
-}
-
-/// The modeled parity is positive: both `ValueDiff` arms hold the SAME value (expected == actual).
-#[test]
-fn v4_leaf_model_python_parity_modeled_agreement_is_positive() {
-    // Mirror of the drift test's `assert_ne!`: parity requires the two arms EQUAL.
-    assert_eq!(R2A_VALUE, R2A_VALUE);
-    assert_eq!(R3_VALUE, R3_VALUE);
-}
-
-fn run_python(source: &str) -> String {
-    let tmp_dir = scratch_dir("py");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join("fixture.py");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write python fixture");
-    let out = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("invoke python3");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    assert!(
-        out.status.success(),
-        "python fixture must run clean; stderr:\n{}",
-        String::from_utf8_lossy(&out.stderr)
-    );
-    String::from_utf8_lossy(&out.stdout).trim().to_string()
-}
-
-/// rustc is MANDATORY (fail-closed): parity *is* Python vs Rust agreement on the common domain;
-/// skipping rust when absent would let a green receipt never exercise the cross-target pair.
-fn run_rust(source: &str) -> String {
-    Command::new("rustc")
-        .arg("--version")
-        .output()
-        .expect("rustc must be available (mandatory for the Python-vs-Rust parity pair)");
-    let tmp_dir = scratch_dir("rs");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join("fixture.rs");
-    let bin_path = tmp_dir.join("fixture_rs");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write rust fixture");
-    let compile = Command::new("rustc")
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg("-O")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .output()
-        .expect("invoke rustc");
-    assert!(
-        compile.status.success(),
-        "rustc must accept the parity fixture; stderr:\n{}",
-        String::from_utf8_lossy(&compile.stderr)
-    );
-    let run = Command::new(&bin_path).output().expect("run rust binary");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-/// Go is a corroborating witness (asserted only when the toolchain is present), matching the drift
-/// lane's treatment of Go.
-fn run_go(source: &str) -> Option<String> {
-    Command::new("go").arg("version").output().ok()?;
-    let tmp_dir = scratch_dir("go");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join("fixture.go");
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write go fixture");
-    let run = Command::new("go")
-        .arg("run")
-        .arg(&src_path)
-        .output()
-        .expect("invoke go run");
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    assert!(
-        run.status.success(),
-        "go must accept the parity fixture; stderr:\n{}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-    Some(String::from_utf8_lossy(&run.stdout).trim().to_string())
-}
-
-#[test]
-fn v4_leaf_model_python_parity_r2a_python_vs_rust_agrees() {
-    let python_value = run_python(R2A_PYTHON_SOURCE);
-    let rust_value = run_rust(R2A_RUST_SOURCE);
-    assert_eq!(
-        python_value, R2A_VALUE,
-        "Python small-value add must yield 5"
-    );
-    assert_eq!(rust_value, R2A_VALUE, "Rust small-value add must yield 5");
-    assert_eq!(
-        python_value, rust_value,
-        "cross-target PARITY: small-value add must agree across Python and Rust"
-    );
-    if let Some(go_value) = run_go(R2A_GO_SOURCE) {
-        assert_eq!(go_value, R2A_VALUE, "Go small-value add must yield 5");
-    }
-}
-
-#[test]
-fn v4_leaf_model_python_parity_r3_python_vs_rust_agrees() {
-    let python_value = run_python(R3_PYTHON_SOURCE);
-    let rust_value = run_rust(R3_RUST_SOURCE);
-    assert_eq!(
-        python_value, R3_VALUE,
-        "Python Symbol projection must yield x"
-    );
-    assert_eq!(rust_value, R3_VALUE, "Rust Symbol projection must yield x");
-    assert_eq!(
-        python_value, rust_value,
-        "cross-target PARITY: Symbol projection must agree across Python and Rust"
-    );
-    if let Some(go_value) = run_go(R3_GO_SOURCE) {
-        assert_eq!(go_value, R3_VALUE, "Go Symbol projection must yield x");
-    }
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_python_r1_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_python_r1_test.rs
deleted file mode 100644
index 87c464716b5..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_python_r1_test.rs
+++ /dev/null
@@ -1,121 +0,0 @@
-//! **Layer:** boundary (TESTING.md § test layers — CPython exercise for v4 leaf-model python R1).
-//!
-//! Phase 1: python.dag claim R1 (int surface spelling) — fixture authority in
-//! `src/v4/lens/leaf_model_verification.dag`; host runner
-//! `scripts/v4-leaf-model-python-r1-verify.sh`.
-//!
-//! **P5 receipt:** matching `_internal/INVARIANTS_OPS.md` row +
-//! `EXPECTED_HAND_AUTHORED_TEST` literal in `self_gen0_census_test.rs` (same PR).
-//! **Dissolution:** retire when T-22 eval + modeled `run_target_verification` owns
-//! python3 invocation without this hand-Rust bridge.
-
-use std::io::Write;
-use std::process::Command;
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-const CLAIM_DAG: &str = include_str!("../../../../v4/test/claim/language_model/python_r1.dag");
-
-const HAPPY_FIXTURE: &str = "def r1_test() -> int:\n    return 0\n";
-const FALSIFICATION_FIXTURE: &str = "def r1_test() -> i32:\n    return 0\n";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-fn scratch_dir(label: &str) -> std::path::PathBuf {
-    let suffix = std::process::id();
-    std::env::temp_dir().join(format!("v4_leaf_model_python_r1_{label}_{suffix}"))
-}
-
-fn exercise_fixture(label: &str, source: &str) -> (i32, String) {
-    let tmp_dir = scratch_dir(label);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join(format!("{label}.py"));
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let py_compile = Command::new("python3")
-        .args(["-m", "py_compile"])
-        .arg(&src_path)
-        .output()
-        .expect("invoke python3 -m py_compile");
-    if !py_compile.status.success() {
-        let stderr = String::from_utf8_lossy(&py_compile.stderr).into_owned();
-        let _ = std::fs::remove_dir_all(&tmp_dir);
-        return (py_compile.status.code().unwrap_or(1), stderr);
-    }
-
-    let exec = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("invoke python3 on fixture");
-    let stderr = String::from_utf8_lossy(&exec.stderr).into_owned();
-    let status = exec.status.code().unwrap_or(1);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    (status, stderr)
-}
-
-#[test]
-fn v4_leaf_model_python_r1_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "python_r1_happy_fixture_source")
-        .expect("python_r1_happy_fixture_source in lens/leaf_model_verification.dag");
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "python_r1_falsification_fixture_source")
-            .expect("python_r1_falsification_fixture_source in lens/leaf_model_verification.dag");
-    assert_eq!(happy, HAPPY_FIXTURE);
-    assert_eq!(falsification, FALSIFICATION_FIXTURE);
-    assert!(
-        CLAIM_DAG.contains("python_r1_happy_fixture_source")
-            && CLAIM_DAG.contains("python_surface_spelling_int"),
-        "claim module must reference fixture + fact anchors"
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_r1_happy_fixture_python_accepts() {
-    let (status, stderr) = exercise_fixture("happy", HAPPY_FIXTURE);
-    assert_eq!(
-        status, 0,
-        "python3 should accept R1 happy fixture; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_r1_falsification_fixture_python_name_error() {
-    let (status, stderr) = exercise_fixture("falsification", FALSIFICATION_FIXTURE);
-    assert_ne!(
-        status, 0,
-        "falsification fixture must not run clean (wrong int surface spelling i32)"
-    );
-    assert!(
-        stderr.contains("NameError: name 'i32' is not defined"),
-        "expected NameError on undefined i32 annotation; stderr:\n{stderr}"
-    );
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_python_r2_r3_external_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_python_r2_r3_external_test.rs
deleted file mode 100644
index 2f00620e813..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_python_r2_r3_external_test.rs
+++ /dev/null
@@ -1,158 +0,0 @@
-//! **Layer:** boundary — CPython target exercise for v4 leaf-model python R2a / R2b / R3-external.
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag`; claim wiring in
-//! `python_r2a.dag`, `python_r2b.dag`, `python_r3_external.dag`.
-//! Host runners: `scripts/v4-leaf-model-python-r2{a,b,r3-external}-verify.sh`.
-
-use std::io::Write;
-use std::process::Command;
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-
-const R2A_HAPPY: &str =
-    "def r2a_test(a: int, b: int) -> tuple[int, bool]:\n    return (a + b, a < b)\n";
-const R2A_FALSIFICATION: &str = "def r2a_test(a: int) -> int:\n    return a.log2_exact()\n\nif __name__ == \"__main__\":\n    r2a_test(1)\n";
-
-const R2B_RUNTIME: &str = "def r2b_test() -> int:\n    return (2**63 - 1) + 1\n\nif __name__ == \"__main__\":\n    assert r2b_test() == 2**63\n";
-
-const R3_HAPPY: &str = "class Symbol:\n    def __init__(self, value: str):\n        self.value = value\n\ndef r3_test() -> Symbol:\n    return Symbol(\"x\")\n\nif __name__ == \"__main__\":\n    r3_test()\n";
-const R3_FALSIFICATION: &str = "class Symbol:\n    def __init__(self, value: str):\n        self.value = value\n\ndef r3_test() -> Symbol:\n    return Symbol(1, 2)\n\nif __name__ == \"__main__\":\n    r3_test()\n";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-fn scratch_dir(label: &str) -> std::path::PathBuf {
-    let suffix = std::process::id();
-    std::env::temp_dir().join(format!("v4_leaf_model_python_r2_r3_{label}_{suffix}"))
-}
-
-fn exercise_fixture(label: &str, source: &str) -> (i32, String) {
-    let tmp_dir = scratch_dir(label);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join(format!("{label}.py"));
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let py_compile = Command::new("python3")
-        .args(["-m", "py_compile"])
-        .arg(&src_path)
-        .output()
-        .expect("invoke python3 -m py_compile");
-    if !py_compile.status.success() {
-        let stderr = String::from_utf8_lossy(&py_compile.stderr).into_owned();
-        let _ = std::fs::remove_dir_all(&tmp_dir);
-        return (py_compile.status.code().unwrap_or(1), stderr);
-    }
-
-    let exec = Command::new("python3")
-        .arg(&src_path)
-        .output()
-        .expect("invoke python3 on fixture");
-    let stderr = String::from_utf8_lossy(&exec.stderr).into_owned();
-    let status = exec.status.code().unwrap_or(1);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    (status, stderr)
-}
-
-#[test]
-fn v4_leaf_model_python_r2a_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "python_r2a_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "python_r2a_falsification_fixture_source").unwrap();
-    assert_eq!(happy, R2A_HAPPY);
-    assert_eq!(falsification, R2A_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_python_r2a_happy_fixture_python_accepts() {
-    let (status, stderr) = exercise_fixture("r2a_happy", R2A_HAPPY);
-    assert_eq!(
-        status, 0,
-        "python3 should accept R2a happy fixture; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_r2a_falsification_fixture_python_attribute_error() {
-    let (status, stderr) = exercise_fixture("r2a_falsification", R2A_FALSIFICATION);
-    assert_ne!(status, 0, "falsification must not run clean");
-    assert!(
-        stderr.contains("AttributeError") && stderr.contains("log2_exact"),
-        "expected AttributeError on log2_exact; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_r2b_runtime_fixture_strings_match_dag_authority() {
-    let source = extract_fixture_source(FIXTURE_DAG, "python_r2b_runtime_fixture_source").unwrap();
-    assert_eq!(source, R2B_RUNTIME);
-}
-
-#[test]
-fn v4_leaf_model_python_r2b_arbitrary_precision_add_succeeds_at_runtime() {
-    let (status, stderr) = exercise_fixture("r2b_runtime", R2B_RUNTIME);
-    assert_eq!(
-        status, 0,
-        "arbitrary-precision add beyond 2**63 must succeed; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_r3_external_fixture_strings_match_dag_authority() {
-    let happy =
-        extract_fixture_source(FIXTURE_DAG, "python_r3_external_happy_fixture_source").unwrap();
-    let falsification = extract_fixture_source(
-        FIXTURE_DAG,
-        "python_r3_external_falsification_fixture_source",
-    )
-    .unwrap();
-    assert_eq!(happy, R3_HAPPY);
-    assert_eq!(falsification, R3_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_python_r3_external_happy_fixture_python_accepts() {
-    let (status, stderr) = exercise_fixture("r3_happy", R3_HAPPY);
-    assert_eq!(
-        status, 0,
-        "python3 should accept R3 happy fixture; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_python_r3_external_falsification_fixture_python_type_error() {
-    let (status, stderr) = exercise_fixture("r3_falsification", R3_FALSIFICATION);
-    assert_ne!(status, 0, "falsification must not run clean");
-    assert!(
-        stderr.contains("TypeError") && stderr.contains("Symbol.__init__()"),
-        "expected TypeError on Symbol.__init__ arity; stderr:\n{stderr}"
-    );
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r1_rustc_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r1_rustc_test.rs
deleted file mode 100644
index a07dda2808a..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r1_rustc_test.rs
+++ /dev/null
@@ -1,112 +0,0 @@
-//! **Layer:** boundary (TESTING.md § test layers — rustc target exercise for v4 leaf-model R1).
-//!
-//! Phase 1: rust.dag claim R1 (i32 surface spelling) — fixture authority in
-//! `src/v4/lens/leaf_model_verification.dag`; host runner
-//! `scripts/v4-leaf-model-rust-r1-verify.sh`.
-//!
-//! **P5 receipt:** matching `_internal/INVARIANTS_OPS.md` row +
-//! `EXPECTED_HAND_AUTHORED_TEST` literal in `self_gen0_census_test.rs` (same PR).
-//! **Dissolution:** retire when T-22 eval + modeled `run_target_verification` owns
-//! rustc invocation without this hand-Rust bridge.
-
-use std::io::Write;
-use std::process::Command;
-
-use crate::common::RustcHarness;
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-const CLAIM_DAG: &str = include_str!("../../../../v4/test/claim/language_model/rust_r1.dag");
-
-const HAPPY_FIXTURE: &str = "pub fn r1_test() -> i32 { 0i32 }\n";
-const FALSIFICATION_FIXTURE: &str = "pub fn r1_test() -> i32 { \"string\" }\n";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-fn compile_lib(harness: &RustcHarness, label: &str, source: &str) -> (bool, String) {
-    let tmp_dir = harness.next_child_dir();
-    let src_path = tmp_dir.join(format!("{label}.rs"));
-    let out_path = tmp_dir.join(format!("{label}.rlib"));
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let output = Command::new("rustc")
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg("--crate-type")
-        .arg("lib")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&out_path)
-        .output()
-        .expect("invoke rustc — install a rust toolchain to run this test");
-
-    let stderr = String::from_utf8_lossy(&output.stderr).into_owned();
-    (output.status.success(), stderr)
-}
-
-#[test]
-fn v4_leaf_model_rust_r1_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "rust_r1_happy_fixture_source")
-        .expect("rust_r1_happy_fixture_source in lens/leaf_model_verification.dag");
-    let falsification = extract_fixture_source(FIXTURE_DAG, "rust_r1_falsification_fixture_source")
-        .expect("rust_r1_falsification_fixture_source in lens/leaf_model_verification.dag");
-    assert_eq!(happy, HAPPY_FIXTURE);
-    assert_eq!(falsification, FALSIFICATION_FIXTURE);
-    assert!(
-        CLAIM_DAG.contains("rust_r1_happy_fixture_source")
-            && CLAIM_DAG.contains("rust_surface_spelling_i32"),
-        "claim module must reference fixture + fact anchors"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r1_happy_fixture_rustc_accepts() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r1");
-    let (ok, stderr) = compile_lib(&harness, "happy", HAPPY_FIXTURE);
-    assert!(
-        ok,
-        "rustc should accept R1 happy fixture; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r1_falsification_fixture_rustc_e0308() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r1");
-    let (ok, stderr) = compile_lib(&harness, "falsification", FALSIFICATION_FIXTURE);
-    assert!(
-        !ok,
-        "falsification fixture must not compile (type mismatch probe)"
-    );
-    assert!(
-        stderr.contains("E0308"),
-        "expected rustc E0308 type mismatch; stderr:\n{stderr}"
-    );
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r2_r3_external_rustc_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r2_r3_external_rustc_test.rs
deleted file mode 100644
index fd9864ba0e1..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r2_r3_external_rustc_test.rs
+++ /dev/null
@@ -1,200 +0,0 @@
-//! **Layer:** boundary — rustc target exercise for v4 leaf-model R2a / R2b / R3-external.
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag`; claim wiring in
-//! `rust_r2a.dag`, `rust_r2b.dag`, `rust_r3_external.dag`.
-//! Host runners: `scripts/v4-leaf-model-rust-r2{a,b,r3-external}-verify.sh`.
-
-use std::io::Write;
-use std::process::Command;
-
-use crate::common::RustcHarness;
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-
-const R2A_HAPPY: &str = "pub fn r2a_test(a: i32, b: i32) -> (i32, bool) { (a + b, a < b) }\n";
-const R2A_FALSIFICATION: &str = "pub fn r2a_test(a: i32) -> i32 { a.log2_exact() }\n";
-
-const R2B_RUNTIME: &str =
-    "pub fn r2b_test(a: i32, b: i32) -> i32 { a + b }\npub fn main() { let _ = r2b_test(i32::MAX, 1); }\n";
-
-const R3_HAPPY: &str =
-    "pub struct Symbol(pub String);\npub fn r3_test() -> Symbol { Symbol(\"x\".to_string()) }\n";
-const R3_FALSIFICATION: &str =
-    "pub type Symbol = String;\npub fn r3_test() -> Symbol { Symbol(\"x\") }\n";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-fn compile_lib(harness: &RustcHarness, label: &str, source: &str) -> (bool, String) {
-    let tmp_dir = harness.next_child_dir();
-    let src_path = tmp_dir.join(format!("{label}.rs"));
-    let out_path = tmp_dir.join(format!("{label}.rlib"));
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let output = Command::new("rustc")
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg("--crate-type")
-        .arg("lib")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&out_path)
-        .output()
-        .expect("invoke rustc");
-
-    let stderr = String::from_utf8_lossy(&output.stderr).into_owned();
-    (output.status.success(), stderr)
-}
-
-fn compile_bin_and_run(
-    harness: &RustcHarness,
-    label: &str,
-    source: &str,
-    extra_rustc_args: &[&str],
-) -> (bool, i32, String) {
-    let tmp_dir = harness.next_child_dir();
-    let src_path = tmp_dir.join(format!("{label}.rs"));
-    let bin_path = tmp_dir.join(label);
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let mut compile = Command::new("rustc");
-    compile
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg("--crate-type")
-        .arg("bin")
-        .args(extra_rustc_args)
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path);
-    let compile_out = compile.output().expect("invoke rustc");
-    let mut stderr = String::from_utf8_lossy(&compile_out.stderr).into_owned();
-    if !compile_out.status.success() {
-        return (false, -1, stderr);
-    }
-
-    let run_out = Command::new(&bin_path).output().expect("run binary");
-    stderr.push_str(&String::from_utf8_lossy(&run_out.stderr));
-    (true, run_out.status.code().unwrap_or(-1), stderr)
-}
-
-#[test]
-fn v4_leaf_model_rust_r2a_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "rust_r2a_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "rust_r2a_falsification_fixture_source").unwrap();
-    assert_eq!(happy, R2A_HAPPY);
-    assert_eq!(falsification, R2A_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_rust_r2a_happy_fixture_rustc_accepts() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r2a");
-    let (ok, stderr) = compile_lib(&harness, "happy", R2A_HAPPY);
-    assert!(
-        ok,
-        "rustc should accept R2a happy fixture; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r2a_falsification_fixture_rustc_e0599() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r2a");
-    let (ok, stderr) = compile_lib(&harness, "falsification", R2A_FALSIFICATION);
-    assert!(!ok, "falsification must not compile");
-    assert!(
-        stderr.contains("E0599"),
-        "expected E0599; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r2b_runtime_fixture_strings_match_dag_authority() {
-    let source = extract_fixture_source(FIXTURE_DAG, "rust_r2b_runtime_fixture_source").unwrap();
-    assert_eq!(source, R2B_RUNTIME);
-}
-
-#[test]
-fn v4_leaf_model_rust_r2b_debug_overflow_panics_at_runtime() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r2b_debug");
-    let (compiled, exit, stderr) = compile_bin_and_run(&harness, "debug", R2B_RUNTIME, &[]);
-    assert!(compiled, "debug build must compile; stderr:\n{stderr}");
-    assert_ne!(
-        exit, 0,
-        "debug overflow must panic (non-zero exit); stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r2b_release_overflow_wraps_at_runtime() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r2b_release");
-    let (compiled, exit, stderr) =
-        compile_bin_and_run(&harness, "release", R2B_RUNTIME, &["-C", "opt-level=2"]);
-    assert!(compiled, "release build must compile; stderr:\n{stderr}");
-    assert_eq!(
-        exit, 0,
-        "release overflow must wrap (exit 0); stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_external_fixture_strings_match_dag_authority() {
-    let happy =
-        extract_fixture_source(FIXTURE_DAG, "rust_r3_external_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "rust_r3_external_falsification_fixture_source")
-            .unwrap();
-    assert_eq!(happy, R3_HAPPY);
-    assert_eq!(falsification, R3_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_external_happy_fixture_rustc_accepts() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r3_external");
-    let (ok, stderr) = compile_lib(&harness, "happy", R3_HAPPY);
-    assert!(
-        ok,
-        "rustc should accept R3 happy fixture; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_external_falsification_fixture_rustc_e0423() {
-    let harness = RustcHarness::new("v4_leaf_model_rust_r3_external");
-    let (ok, stderr) = compile_lib(&harness, "falsification", R3_FALSIFICATION);
-    assert!(!ok, "falsification must not compile");
-    assert!(
-        stderr.contains("E0423"),
-        "expected E0423; stderr:\n{stderr}"
-    );
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r3_internal_emit_coupling_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r3_internal_emit_coupling_test.rs
deleted file mode 100644
index 2de5d9b9dbc..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_rust_r3_internal_emit_coupling_test.rs
+++ /dev/null
@@ -1,195 +0,0 @@
-//! **Layer:** boundary — emit-coupling exercise for v4 leaf-model R3-internal.
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag` (modeled oracle) +
-//! `src/v4/extdeps/languages/rust.dag` (baseline row). Replays
-//! `target_atom_type_spelling` / `target_atom_value_expression` kind selection from
-//! row `type_form` spelling + `value_form` template (alias + template arms only).
-//!
-//! Host runner: `scripts/v4-leaf-model-rust-r3-internal-verify.sh`.
-//!
-//! **P5 receipt:** `EXPECTED_HAND_AUTHORED_TEST` in `self_gen0_census_test.rs`.
-//! **Dissolution:** retire when T-22 eval exercises `RustEmitProjectionEqualityExpectation`
-//! without this hand-Rust bridge.
-
-use v3_compiler::parse_for_test;
-use v3_compiler::tokenize_for_test;
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-const FIXTURE_PATH: &str = "src/v4/lens/leaf_model_verification.dag";
-const RUST_LANGUAGE_DAG: &str = include_str!("../../../../v4/extdeps/languages/rust.dag");
-const RUST_LANGUAGE_PATH: &str = "src/v4/extdeps/languages/rust.dag";
-const CLAIM_DAG: &str =
-    include_str!("../../../../v4/test/claim/language_model/rust_r3_internal.dag");
-const CLAIM_PATH: &str = "src/v4/test/claim/language_model/rust_r3_internal.dag";
-
-/// Mirrors `target_atom_value_expression` → `TargetValueExpression.kind` for Phase-1 Symbol rows.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ValueTemplateKind {
-    SymbolToOwnedString,
-    SymbolIdentityPassthrough,
-}
-
-/// Row inputs the substrate uses before projection (type alias spelling + value template).
-#[derive(Debug, Clone, PartialEq, Eq)]
-struct SymbolAtomRowConfig {
-    type_spelling: String,
-    value_template: ValueTemplateKind,
-}
-
-fn parse_module(source: &str, path: &str) {
-    let tokens =
-        tokenize_for_test(source, path).unwrap_or_else(|e| panic!("{path}: tokenize: {e:?}"));
-    parse_for_test(&tokens, path).unwrap_or_else(|e| panic!("{path}: parse: {e:?}"));
-}
-
-fn extract_block_after_header(text: &str, header: &str) -> Option<String> {
-    let start = text.find(header)? + header.len();
-    let rest = &text[start..];
-    let depth_start = rest.find('{')?;
-    let mut depth = 0usize;
-    for (idx, ch) in rest[depth_start..].char_indices() {
-        match ch {
-            '{' => depth += 1,
-            '}' => {
-                depth = depth.saturating_sub(1);
-                if depth == 0 {
-                    return Some(rest[..depth_start + idx + 1].to_string());
-                }
-            }
-            _ => {}
-        }
-    }
-    None
-}
-
-fn extract_type_spelling_from_row_block(block: &str) -> Option<String> {
-    let marker = "type_form: rust_target_atom_type_form(spelling: ";
-    let after = block.find(marker)? + marker.len();
-    let spelling = block[after..].split(')').next()?.trim();
-    Some(spelling.to_string())
-}
-
-fn extract_value_template_kind_from_row_block(block: &str) -> Option<ValueTemplateKind> {
-    if block.contains("kind: ValueSymbolToOwnedString") {
-        return Some(ValueTemplateKind::SymbolToOwnedString);
-    }
-    if block.contains("kind: ValueSymbolIdentityPassthrough") {
-        return Some(ValueTemplateKind::SymbolIdentityPassthrough);
-    }
-    None
-}
-
-fn baseline_symbol_row_config() -> SymbolAtomRowConfig {
-    let block = extract_block_after_header(
-        RUST_LANGUAGE_DAG,
-        "data rust_target_atom_realization_symbol:",
-    )
-    .expect("rust_target_atom_realization_symbol row in rust.dag");
-    SymbolAtomRowConfig {
-        type_spelling: extract_type_spelling_from_row_block(&block)
-            .expect("baseline row type_form spelling"),
-        value_template: extract_value_template_kind_from_row_block(&block)
-            .expect("baseline row value_form template kind"),
-    }
-}
-
-fn mutated_symbol_row_config() -> SymbolAtomRowConfig {
-    let block = extract_block_after_header(FIXTURE_DAG, "data rust_r3_internal_mutated_row:")
-        .expect("rust_r3_internal_mutated_row in lens/leaf_model_verification.dag");
-    SymbolAtomRowConfig {
-        type_spelling: extract_type_spelling_from_row_block(&block)
-            .expect("mutated row type_form spelling"),
-        value_template: extract_value_template_kind_from_row_block(&block)
-            .expect("mutated row value_form template kind"),
-    }
-}
-
-/// Replay of `target_atom_type_spelling` for rust alias `type_form` rows (Phase 1).
-fn replay_type_projection_spelling(row: &SymbolAtomRowConfig) -> &str {
-    row.type_spelling.as_str()
-}
-
-/// Replay of accepted `target_atom_value_expression` kind label for Symbol probe values.
-fn replay_value_projection_kind_label(row: &SymbolAtomRowConfig) -> &'static str {
-    match row.value_template {
-        ValueTemplateKind::SymbolToOwnedString => "TargetValueExprSymbolToOwnedString",
-        ValueTemplateKind::SymbolIdentityPassthrough => "TargetValueExprSymbolIdentity",
-    }
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_internal_lens_and_claim_parse() {
-    parse_module(FIXTURE_DAG, FIXTURE_PATH);
-    parse_module(RUST_LANGUAGE_DAG, RUST_LANGUAGE_PATH);
-    parse_module(CLAIM_DAG, CLAIM_PATH);
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_internal_row_mutation_changes_type_and_value_projections() {
-    let baseline = baseline_symbol_row_config();
-    let mutated = mutated_symbol_row_config();
-
-    let baseline_type = replay_type_projection_spelling(&baseline);
-    let mutated_type = replay_type_projection_spelling(&mutated);
-    let baseline_value = replay_value_projection_kind_label(&baseline);
-    let mutated_value = replay_value_projection_kind_label(&mutated);
-
-    assert_ne!(
-        baseline_type, mutated_type,
-        "row mutation must change type projection (target_atom_type_spelling)"
-    );
-    assert_ne!(
-        baseline_value, mutated_value,
-        "row mutation must change value projection kind (target_atom_value_expression)"
-    );
-    assert_eq!(
-        baseline.value_template,
-        ValueTemplateKind::SymbolToOwnedString,
-        "production Symbol row must keep ValueSymbolToOwnedString template"
-    );
-    assert_eq!(
-        mutated.value_template,
-        ValueTemplateKind::SymbolIdentityPassthrough,
-        "mutated row must use ValueSymbolIdentityPassthrough template"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_internal_lens_oracle_labels_match_projection_replay() {
-    let baseline = baseline_symbol_row_config();
-    let mutated = mutated_symbol_row_config();
-
-    assert_eq!(
-        replay_value_projection_kind_label(&baseline),
-        "TargetValueExprSymbolToOwnedString"
-    );
-    assert_eq!(
-        replay_value_projection_kind_label(&mutated),
-        "TargetValueExprSymbolIdentity"
-    );
-    assert!(
-        FIXTURE_DAG.contains("discriminant(v: expr.kind)"),
-        "lens oracle keys value projection kind via discriminant"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_internal_emit_coupling_oracle_would_pass_on_replayed_receipt() {
-    let baseline = baseline_symbol_row_config();
-    let mutated = mutated_symbol_row_config();
-    let coupling = replay_type_projection_spelling(&baseline)
-        != replay_type_projection_spelling(&mutated)
-        && replay_value_projection_kind_label(&baseline)
-            != replay_value_projection_kind_label(&mutated);
-    assert!(
-        coupling,
-        "rust_r3_internal_emit_coupling_both_projections_changed must hold for replayed projections"
-    );
-}
-
-#[test]
-fn v4_leaf_model_rust_r3_internal_claim_wires_coupling_oracle() {
-    assert!(CLAIM_DAG.contains("claim_rust_r3_internal_emit_coupling_wired"));
-    assert!(CLAIM_DAG.contains("rust_r3_internal_emit_coupling_both_projections_changed"));
-    assert!(CLAIM_DAG.contains("leaf_model_claim_rust_r3_internal_symbol_coupling"));
-}
diff --git a/src/v3/compiler/tests/boundary/v4_leaf_model_typescript_r2_r3_external_test.rs b/src/v3/compiler/tests/boundary/v4_leaf_model_typescript_r2_r3_external_test.rs
deleted file mode 100644
index cfd21764824..00000000000
--- a/src/v3/compiler/tests/boundary/v4_leaf_model_typescript_r2_r3_external_test.rs
+++ /dev/null
@@ -1,202 +0,0 @@
-//! **Layer:** boundary — tsc + Node target exercise for v4 leaf-model typescript R2a / R2b / R3-external.
-//!
-//! Authority: `src/v4/lens/leaf_model_verification.dag`; claim wiring in
-//! `typescript_r2a.dag`, `typescript_r2b.dag`, `typescript_r3_external.dag`.
-//! Host runners: `scripts/v4-leaf-model-typescript-r2{a,b,r3-external}-verify.sh`.
-
-use std::io::Write;
-use std::process::Command;
-
-const FIXTURE_DAG: &str = include_str!("../../../../v4/lens/leaf_model_verification.dag");
-
-const TSC_PKG: &str = "typescript@5.9.2";
-
-const R2A_HAPPY: &str =
-    "function r2a_test(a: number, b: number): [number, boolean] { return [a + b, a < b]; }\n";
-const R2A_FALSIFICATION: &str = "function r2a_test(a: number): number { return a.log2_exact(); }\n";
-
-const R2B_RUNTIME_HAPPY: &str =
-    "const ok = (2n ** 63n - 1n) + 1n === 2n ** 63n;\nif (!ok) { console.error(\"r2b bigint lane failed\"); process.exit(1); }\n";
-const R2B_RUNTIME_FALSIFICATION: &str = "const bigintExact = (2n ** 63n + 1n) === 2n ** 63n;\nconst numberLane = (2 ** 63 + 1) === 2 ** 63;\nif (bigintExact || !numberLane) { console.error(\"expected bigint inequality and number-lane IEEE754 false positive\"); process.exit(1); }\n";
-
-const R3_HAPPY: &str = "const s: symbol = Symbol(\"x\");\n";
-const R3_FALSIFICATION: &str = "const s: symbol = new Symbol(\"x\");\n";
-
-fn unescape_dag_string_literal(body: &str) -> String {
-    let mut out = String::new();
-    let mut chars = body.chars();
-    while let Some(c) = chars.next() {
-        if c == '\\' {
-            match chars.next() {
-                Some('n') => out.push('\n'),
-                Some('"') => out.push('"'),
-                Some('\\') => out.push('\\'),
-                Some(other) => {
-                    out.push('\\');
-                    out.push(other);
-                }
-                None => out.push('\\'),
-            }
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-fn extract_fixture_source(dag_text: &str, data_name: &str) -> Option<String> {
-    let needle = format!("data {data_name}: String = \"");
-    let line = dag_text.lines().find(|l| l.starts_with(&needle))?;
-    let rest = line.strip_prefix(&needle)?.strip_suffix('"')?;
-    Some(unescape_dag_string_literal(rest))
-}
-
-fn scratch_dir(label: &str) -> std::path::PathBuf {
-    let suffix = std::process::id();
-    std::env::temp_dir().join(format!("v4_leaf_model_typescript_r2_r3_{label}_{suffix}"))
-}
-
-fn tsc_combined_diagnostics(output: &std::process::Output) -> String {
-    let stdout = String::from_utf8_lossy(&output.stdout);
-    let stderr = String::from_utf8_lossy(&output.stderr);
-    if stdout.is_empty() {
-        stderr.into_owned()
-    } else if stderr.is_empty() {
-        stdout.into_owned()
-    } else {
-        format!("{stdout}{stderr}")
-    }
-}
-
-fn exercise_tsc_fixture(label: &str, source: &str) -> (i32, String) {
-    let tmp_dir = scratch_dir(label);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join(format!("{label}.ts"));
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let output = Command::new("npx")
-        .args([
-            "-p", TSC_PKG, "tsc", "--strict", "--noEmit", "--target", "ES2022", "--module",
-            "ES2022",
-        ])
-        .arg(&src_path)
-        .output()
-        .expect("invoke npx tsc");
-    let diagnostics = tsc_combined_diagnostics(&output);
-    let status = output.status.code().unwrap_or(1);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    (status, diagnostics)
-}
-
-fn exercise_node_fixture(label: &str, source: &str) -> (i32, String) {
-    let tmp_dir = scratch_dir(label);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    std::fs::create_dir_all(&tmp_dir).expect("create scratch dir");
-    let src_path = tmp_dir.join(format!("{label}.mjs"));
-    std::fs::File::create(&src_path)
-        .and_then(|mut f| f.write_all(source.as_bytes()))
-        .expect("write fixture source");
-
-    let output = Command::new("node")
-        .arg(&src_path)
-        .output()
-        .expect("invoke node on fixture");
-    let stderr = String::from_utf8_lossy(&output.stderr).into_owned();
-    let status = output.status.code().unwrap_or(1);
-    let _ = std::fs::remove_dir_all(&tmp_dir);
-    (status, stderr)
-}
-
-#[test]
-fn v4_leaf_model_typescript_r2a_fixture_strings_match_dag_authority() {
-    let happy = extract_fixture_source(FIXTURE_DAG, "typescript_r2a_happy_fixture_source").unwrap();
-    let falsification =
-        extract_fixture_source(FIXTURE_DAG, "typescript_r2a_falsification_fixture_source").unwrap();
-    assert_eq!(happy, R2A_HAPPY);
-    assert_eq!(falsification, R2A_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_typescript_r2a_happy_fixture_tsc_accepts() {
-    let (status, diagnostics) = exercise_tsc_fixture("r2a_happy", R2A_HAPPY);
-    assert_eq!(
-        status, 0,
-        "tsc should accept R2a happy fixture; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_typescript_r2a_falsification_fixture_tsc_ts2339() {
-    let (status, diagnostics) = exercise_tsc_fixture("r2a_falsification", R2A_FALSIFICATION);
-    assert_ne!(status, 0, "falsification must not typecheck");
-    assert!(
-        diagnostics.contains("TS2339") && diagnostics.contains("log2_exact"),
-        "expected TS2339 on log2_exact; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_typescript_r2b_runtime_fixture_strings_match_dag_authority() {
-    let happy =
-        extract_fixture_source(FIXTURE_DAG, "typescript_r2b_runtime_happy_fixture_source").unwrap();
-    let falsification = extract_fixture_source(
-        FIXTURE_DAG,
-        "typescript_r2b_runtime_falsification_fixture_source",
-    )
-    .unwrap();
-    assert_eq!(happy, R2B_RUNTIME_HAPPY);
-    assert_eq!(falsification, R2B_RUNTIME_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_typescript_r2b_bigint_runtime_add_succeeds() {
-    let (status, stderr) = exercise_node_fixture("r2b_happy", R2B_RUNTIME_HAPPY);
-    assert_eq!(
-        status, 0,
-        "bigint add beyond 2**63 must succeed at runtime; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_typescript_r2b_number_lane_falsification_demonstrates_ieee754_divergence() {
-    let (status, stderr) = exercise_node_fixture("r2b_falsification", R2B_RUNTIME_FALSIFICATION);
-    assert_eq!(
-        status, 0,
-        "falsification must show bigint inequality while number lane false-positive-matches; stderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_typescript_r3_external_fixture_strings_match_dag_authority() {
-    let happy =
-        extract_fixture_source(FIXTURE_DAG, "typescript_r3_external_happy_fixture_source").unwrap();
-    let falsification = extract_fixture_source(
-        FIXTURE_DAG,
-        "typescript_r3_external_falsification_fixture_source",
-    )
-    .unwrap();
-    assert_eq!(happy, R3_HAPPY);
-    assert_eq!(falsification, R3_FALSIFICATION);
-}
-
-#[test]
-fn v4_leaf_model_typescript_r3_external_happy_fixture_tsc_accepts() {
-    let (status, diagnostics) = exercise_tsc_fixture("r3_happy", R3_HAPPY);
-    assert_eq!(
-        status, 0,
-        "tsc should accept R3 happy Symbol() factory fixture; diagnostics:\n{diagnostics}"
-    );
-}
-
-#[test]
-fn v4_leaf_model_typescript_r3_external_falsification_fixture_tsc_not_constructable() {
-    let (status, diagnostics) = exercise_tsc_fixture("r3_falsification", R3_FALSIFICATION);
-    assert_ne!(status, 0, "falsification must not typecheck");
-    assert!(
-        diagnostics.contains("TS7009") || diagnostics.contains("construct"),
-        "expected TS7009 / not-constructable on `new Symbol`; diagnostics:\n{diagnostics}"
-    );
-}
diff --git a/src/v3/compiler/tests/dag/README.md b/src/v3/compiler/tests/dag/README.md
deleted file mode 100644
index cb1cf90a1e7..00000000000
--- a/src/v3/compiler/tests/dag/README.md
+++ /dev/null
@@ -1,32 +0,0 @@
-# T-PB-B-1 — `tests/dag/` convention (first landable batch)
-
-**Owner:** T-PB-B (e.g. witty-fox-588). **Schema authority:** `src/v3/std/verification.dag` (`TestClaim`, `TestPredicate`, `requires: List<ResourceReference>`).
-
-This directory holds **landed** v3 `.dag` modules that declare `TestClaim` / `TestSuite` values as `data` declarations (same shapes Rust tests build today, but as on-disk authority for the eventual Testgen runner).
-
-## What is here vs what is not
-
-- **Landed (runner path):** `t_pb_b_1_dag_runner_test` — `lower` keeps the empty-harness-diagnostics compile receipt for each on-disk `tests/dag/*.dag` file, then `TestRunner::run_suite` proves line-item (1) of the pre–Rust-deletion checklist in `docs/briefs/r1-testgen-manager.md`. The former standalone `t_pb_b_1_tests_dag_smoke_test` is **retired** (redundant; see Testgen *Decisions log*). Still not a `pb_*` gate by itself.
-- **Not done here:** Further Rust test deletion or `pb_test_file_generated_from_dag` — follow-on work needs **Testgen** sign-off per the inventory in `docs/briefs/r1-testgen-manager.md`.
-- **Compile-smoke vs `TestRunner` (Brief D vs landed):** the retired **Brief D** `.v3` smoke (`t_pb_b_brief_d_fixture_smoke_test`) only checked that the declaring file lowered with empty **module** diagnostics — that was not by itself proof of `Compiles` / `FailsWithDiagnostic` on embedded `TestClaim.source` strings. **Landed** `tests/dag/*.dag` files use the same empty-harness check inside `t_pb_b_1_dag_runner_test::lower`, then `run_suite` evaluates the predicates on the embedded `source` — so `FailsWithDiagnostic` negatives, `PortHasState`, and `CostBounded` bounds are real witnesses, not compile-smoke proxies. See `docs/briefs/t-pb-b-1.md` (*Compile-smoke caveat*).
-
-## Post-R2 residuals (unchanged)
-
-Per `TESTING.md` §Post-R2 shape:
-
-- **A:** `#[cfg(test)]` helpers under `src/v3/compiler/src/` stay Rust.
-- **B:** Boundary tests (`tests/boundary/*`, `rustc` / `go` / `python`) stay Rust.
-
-## Files
-
-| File | Intent |
-|------|--------|
-| `t_pb_b_1_pipeline_smoke.dag` | `Compiles` claim (pipe unary) + `TestSuite` bundle. |
-| `t_pb_b_1_contract_diagnostic_smoke.dag` | `FailsWithDiagnostic` (`TypeMismatch`). |
-| `t_pb_b_1_contract_port_cost.dag` | `PortHasState` + `CostBounded` (`Eq 3`, the runner-evaluated witness for `1 + 1 + 1 + 1`; structure mirrors `m1_5_verification` smoke, which ships an unevaluated `Eq 8` placeholder). |
-
-**M1(2.8) note:** standalone `data …: TestPredicate = …` bodies that use variant literals are still **opaque** in user `.dag` / test modules. Keep `TestPredicate` shapes **inlined** on each `TestClaim` `data` item (as in `t_pb_b_1_contract_port_cost.dag`) until class-5 data bodies unlock shared predicate values.
-
-**Related:** `docs/briefs/t-pb-b-1.md`, `docs/briefs/t-pb-b-brief-d.md` (D/G/A/B matrix), Brief D `.v3` fixtures under `tests/fixtures/t_pb_b_brief_d/` (parallel draft track; this directory is the **landed** `.dag` home).
-
-**Suite naming (`t-pb-b/…` vs `t-pb-b-1/…`):** Intentional. Brief D drafts use `TestSuite.name` values prefixed with `t-pb-b/` in the `.v3` fixtures; landed `.dag` modules use `t-pb-b-1/` so harness grep and humans can tell **draft fixture track** from **T-PB-B-1 on-disk authority** until the dissolution trigger in Brief D retires the `.v3` copies.
diff --git a/src/v3/compiler/tests/dag/boundary_emit_gates.template.dag b/src/v3/compiler/tests/dag/boundary_emit_gates.template.dag
deleted file mode 100644
index fcf53e8b62e..00000000000
--- a/src/v3/compiler/tests/dag/boundary_emit_gates.template.dag
+++ /dev/null
@@ -1,53 +0,0 @@
-// F.14 / T-PB-B — boundary class-5 emit gates as `.dag` `TestClaim` + `ExecuteCommand`.
-// `__BOUNDARY_EMIT_BIN__` is replaced with `env!("CARGO_BIN_EXE_boundary_emit_gates")` at
-// integration-test compile time (`t_pb_b_1_dag_runner_test.rs`).
-//
-// m2: `m2_emit_multi_field_struct_variant_test.rs` dissolution (ROADMAP PB-Runtime).
-// python: `m1_4_emit_python_test::emit_python_checked_division_roundtrips_ok_and_errors`
-// (real CPython; requires python3 on PATH — same as the host `#[test]`).
-
-module v3.compiler.tests.boundary_emit_gates
-
-import std.verification { TestClaim, TestSuite }
-
-data claim_m2_destructure_alias: TestClaim = {
-  name: "multi_field_struct_variant_match_emits_aliased_field_destructure",
-  source: "let marker: Int = 1",
-  file_name: "boundary_emit_gates_smoke.v3",
-  predicate: ExecuteCommand("__BOUNDARY_EMIT_BIN__", ["m2-destructure-alias"], 0),
-  requires: []
-}
-
-data claim_m2_arm_aliased_ref: TestClaim = {
-  name: "multi_field_struct_variant_arm_body_uses_aliased_reference",
-  source: "let marker: Int = 1",
-  file_name: "boundary_emit_gates_smoke.v3",
-  predicate: ExecuteCommand("__BOUNDARY_EMIT_BIN__", ["m2-arm-aliased-ref"], 0),
-  requires: []
-}
-
-data claim_m2_rustfmt_valid: TestClaim = {
-  name: "multi_field_struct_variant_emitted_rust_is_valid_syntax",
-  source: "let marker: Int = 1",
-  file_name: "boundary_emit_gates_smoke.v3",
-  predicate: ExecuteCommand("__BOUNDARY_EMIT_BIN__", ["m2-rustfmt-valid"], 0),
-  requires: []
-}
-
-data claim_python_checked_division_roundtrip: TestClaim = {
-  name: "emit_python_checked_division_roundtrips_ok_and_errors",
-  source: "let marker: Int = 1",
-  file_name: "boundary_emit_gates_smoke.v3",
-  predicate: ExecuteCommand("__BOUNDARY_EMIT_BIN__", ["python-checked-division-roundtrip"], 0),
-  requires: []
-}
-
-data boundary_emit_gates_suite: TestSuite = {
-  name: "boundary_emit_gates_suite",
-  claims: [
-    Enumerated(claim_m2_destructure_alias),
-    Enumerated(claim_m2_arm_aliased_ref),
-    Enumerated(claim_m2_rustfmt_valid),
-    Enumerated(claim_python_checked_division_roundtrip)
-  ]
-}
diff --git a/src/v3/compiler/tests/dag/cementing_dispatch.dag b/src/v3/compiler/tests/dag/cementing_dispatch.dag
deleted file mode 100644
index 3503e357136..00000000000
--- a/src/v3/compiler/tests/dag/cementing_dispatch.dag
+++ /dev/null
@@ -1,107 +0,0 @@
-// Band-C cementing dispatch — `.dag` successor to the retired
-// `cementing_lens_registry_dispatch_test.rs` ratchet (R3 T-Tests-As-Data-Completeness
-// gate #87 / `lens_cementing_test_discipline_complete`).
-//
-// Canonical lens capability rows live in `std.verification` as `lens_capability_register_rows`
-// (`docs/design-tests-as-data-completeness.md` §8.3). This module declares only the
-// Band-C receipt list plus the `TestClaim` / `TestSuite` that wire
-// `CementingDispatchMatchesProjection` against that authority + `regen.dag`.
-//
-// Human-readable mirror: `docs/v3-lens-capability-register.md` (not a second authority).
-
-module v3.compiler.tests.cementing_dispatch
-
-import std.list { List }
-import std.verification {
-  CementingDispatchMatchesProjection,
-  TestClaim,
-  TestSuite,
-  lens_capability_register_rows
-}
-
-// Closed coproduct: receipt harness shape is a type error at fixture load, not a runtime string whitelist.
-type CementingBandCReceiptKind
-  = DagHarness
-  | TemporaryRustModule
-
-type CementingBandCReceipt {
-  registry_name: String
-  module_stem: String
-  // `DagHarness` → `.dag` TestClaim harness under `tests/dag/<module_stem>.dag`;
-  // `TemporaryRustModule` → `tests/integration/cementing/<module_stem>.rs` + `integration.rs` wiring.
-  kind: CementingBandCReceiptKind
-}
-
-data cementing_band_c_v2_complete_receipts: List<CementingBandCReceipt> = [
-  {
-    registry_name: "cost"
-    module_stem: "t_r3_gate_87_cementing_regen_cost"
-    kind: DagHarness
-  },
-  {
-    registry_name: "cost"
-    module_stem: "complexity_lens_behavioral_completion"
-    kind: TemporaryRustModule
-  },
-  {
-    registry_name: "cost_symbolic"
-    module_stem: "t_r3_gate_87_cementing_regen_cost_symbolic"
-    kind: DagHarness
-  },
-  {
-    registry_name: "cost_symbolic"
-    module_stem: "cost_lens_symbolic_consumer_test"
-    kind: TemporaryRustModule
-  },
-  {
-    registry_name: "effect_enumeration"
-    module_stem: "t_r3_gate_87_cementing_regen_effect_enumeration"
-    kind: DagHarness
-  },
-  {
-    registry_name: "idempotency"
-    module_stem: "t_r3_gate_87_cementing_regen_idempotency"
-    kind: DagHarness
-  },
-  {
-    registry_name: "parallelism"
-    module_stem: "t_r3_gate_87_cementing_regen_parallelism"
-    kind: DagHarness
-  },
-  {
-    registry_name: "provenance"
-    module_stem: "t_r3_gate_87_cementing_regen_provenance"
-    kind: DagHarness
-  },
-  {
-    registry_name: "structural_resolution"
-    module_stem: "t_r3_gate_87_cementing_regen_structural_resolution"
-    kind: DagHarness
-  },
-  {
-    registry_name: "unused_parameters"
-    module_stem: "t_r3_gate_87_cementing_regen_unused_parameters"
-    kind: DagHarness
-  },
-  {
-    registry_name: "variant_payload"
-    module_stem: "t_r3_gate_87_cementing_regen_variant_payload"
-    kind: DagHarness
-  }
-]
-
-data claim_cementing_dispatch_projection: TestClaim = {
-  name: "cementing_dispatch_projection_matches_register_and_regen"
-  source: "// Band-C cementing dispatch reads capability_register + bootstrap LensRegistryEntry; not this program.\nlet _: Int = 0\n"
-  file_name: "cementing_dispatch_projection_gate.v3"
-  predicate: CementingDispatchMatchesProjection {
-    capability_register: lens_capability_register_rows
-    cementing_receipts: cementing_band_c_v2_complete_receipts
-  }
-  requires: []
-}
-
-data cementing_dispatch_suite: TestSuite = {
-  name: "cementing_dispatch_suite"
-  claims: [Enumerated(claim_cementing_dispatch_projection)]
-}
diff --git a/src/v3/compiler/tests/dag/r1c_e_emit_gates.template.dag b/src/v3/compiler/tests/dag/r1c_e_emit_gates.template.dag
deleted file mode 100644
index 4b9bb4974bf..00000000000
--- a/src/v3/compiler/tests/dag/r1c_e_emit_gates.template.dag
+++ /dev/null
@@ -1,60 +0,0 @@
-// R1C-E — T-Emit `.dag` `TestClaim` wrappers (ExecuteCommand logical child:
-// the `r1c_e_emit_gates` `bin`). The `__R1C_E_BIN__` placeholder is replaced
-// with `env!("CARGO_BIN_EXE_r1c_e_emit_gates")` at integration-test compile
-// time (see `tests/integration/t_pb_b_1_dag_runner_test.rs`); no checked-in
-// absolute path goes stale (manager guidance, R1 Closure decision on #973 —
-// same discipline as `build.rs` splice for `r1_gates.template.dag`).
-//
-// Each claim's `name` matches the corresponding ROADMAP T-Emit gate row so
-// the lane-acceptance receipt and the `.dag` claim share one identity.
-// `source` / `file_name` are the trivial smoke-program the runner requires to
-// compile cleanly before evaluating `ExecuteCommand` (see `eval_execute_command`
-// in `test_runner.rs`); the bin is the real gate.
-
-module v3.compiler.tests.r1c_e_emit_gates
-
-import std.verification { TestClaim, TestSuite }
-
-// `emit_generic_bounds_survive` — pins the Rust type line for callable params
-// (`impl Fn(...) -> ... + Clone`, not `&impl Fn`). Body in
-// `r1c_e_gates::check_generic_bounds_survive`; same body as the host
-// `m1_3_emit_rust_test::emit_generic_bounds_survive` `#[test]`.
-data emit_generic_bounds_survive_claim: TestClaim = {
-  name: "emit_generic_bounds_survive",
-  source: "let marker: Int = 1",
-  file_name: "r1c_e_emit_gates_smoke.v3",
-  predicate: ExecuteCommand("__R1C_E_BIN__", ["generic-bounds"], 0),
-  requires: []
-}
-
-// `emit_rust_fixtures_rustc_green` — full program + reflected matrix through
-// real `rustc` (see `r1c_e_gates::check_emit_rust_fixtures_rustc_green` and
-// `m1_3_emit_rust_test::emit_rust_fixtures_rustc_green`).
-data emit_rust_fixtures_rustc_green_claim: TestClaim = {
-  name: "emit_rust_fixtures_rustc_green",
-  source: "let marker: Int = 1",
-  file_name: "r1c_e_emit_gates_smoke.v3",
-  predicate: ExecuteCommand("__R1C_E_BIN__", ["rust-fixtures"], 0),
-  requires: []
-}
-
-// `program_fixtures_post_emit_clean_all_targets` — every `PROGRAM_FIXTURES` row
-// through each Shape-A `post_emit_verifier` (E-5); closes arbitrary user-program
-// emission gap vs M1 self-host-only probe. Body in
-// `r1c_e_gates::check_program_fixtures_post_emit_clean_all_targets`.
-data program_fixtures_post_emit_clean_all_targets_claim: TestClaim = {
-  name: "program_fixtures_post_emit_clean_all_targets",
-  source: "let marker: Int = 1",
-  file_name: "r1c_e_emit_gates_smoke.v3",
-  predicate: ExecuteCommand("__R1C_E_BIN__", ["program-fixtures-post-emit"], 0),
-  requires: []
-}
-
-data r1c_e_emit_gates_suite: TestSuite = {
-  name: "r1c_e_emit_gates_suite",
-  claims: [
-    Enumerated(emit_generic_bounds_survive_claim),
-    Enumerated(emit_rust_fixtures_rustc_green_claim),
-    Enumerated(program_fixtures_post_emit_clean_all_targets_claim),
-  ]
-}
diff --git a/src/v3/compiler/tests/dag/r1c_e_emit_gates_omni.template.dag b/src/v3/compiler/tests/dag/r1c_e_emit_gates_omni.template.dag
deleted file mode 100644
index f316bc9de46..00000000000
--- a/src/v3/compiler/tests/dag/r1c_e_emit_gates_omni.template.dag
+++ /dev/null
@@ -1,23 +0,0 @@
-// R1C-E — T-Emit omni three-way gate (separate template so the integration
-// receipt can stay `#[ignore]`d: `go` + `python3` are not on all CI images).
-// `__R1C_E_BIN__` is replaced with `env!("CARGO_BIN_EXE_r1c_e_emit_gates")`
-// in `t_pb_b_1_dag_runner_test.rs`. `ForAllTargets` is not wired in the
-// Rust `TestRunner` (see `test_runner.rs`); this gate is one `ExecuteCommand`
-// to the `omni-demo` subcommand (brief §3 — three separate claims not needed).
-
-module v3.compiler.tests.r1c_e_emit_gates_omni
-
-import std.verification { TestClaim, TestSuite }
-
-data emit_omni_demo_fixtures_green_claim: TestClaim = {
-  name: "emit_omni_demo_fixtures_green",
-  source: "let marker: Int = 1",
-  file_name: "r1c_e_emit_gates_omni_smoke.v3",
-  predicate: ExecuteCommand("__R1C_E_BIN__", ["omni-demo"], 0),
-  requires: []
-}
-
-data r1c_e_emit_gates_omni_suite: TestSuite = {
-  name: "r1c_e_emit_gates_omni_suite",
-  claims: [Enumerated(emit_omni_demo_fixtures_green_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/r3_v3_self_host_demonstration.template.dag b/src/v3/compiler/tests/dag/r3_v3_self_host_demonstration.template.dag
deleted file mode 100644
index 86d8aec7253..00000000000
--- a/src/v3/compiler/tests/dag/r3_v3_self_host_demonstration.template.dag
+++ /dev/null
@@ -1,26 +0,0 @@
-// R3 gate #71 — `v3_self_host_demonstration` (T-V2-Retirement).
-//
-// PB-Runtime: `ExecuteCommand` runs the `self_host_fixed_point` binary (DB-8 driver).
-// `__SELF_HOST_FIXED_POINT_BIN__` is replaced at integration-test compile time with
-// `env!("CARGO_BIN_EXE_self_host_fixed_point")` (same discipline as `r1c_e_emit_gates.template.dag`).
-//
-// The `.dag` claim runs `ExecuteCommand(bin, [--r3-gate-71-demonstration], 0)` so exit status
-// cannot be the DB-8 probe-only path (that exits 0 while parse still fails). See
-// `self_host_fixed_point` module docs for the flag.
-
-module v3.compiler.tests.r3.v3_self_host_demonstration
-
-import std.verification { TestClaim, TestSuite }
-
-data v3_self_host_demonstration_claim: TestClaim = {
-  name: "v3_self_host_demonstration",
-  source: "let marker: Int = 1",
-  file_name: "r3_v3_self_host_demonstration_smoke.v3",
-  predicate: ExecuteCommand("__SELF_HOST_FIXED_POINT_BIN__", ["--r3-gate-71-demonstration"], 0),
-  requires: []
-}
-
-data suite_v3_self_host_demonstration: TestSuite = {
-  name: "r3/v3-self-host-demonstration",
-  claims: [Enumerated(v3_self_host_demonstration_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_impossiblebugs_force_unwrap_regression_verify.dag b/src/v3/compiler/tests/dag/t_impossiblebugs_force_unwrap_regression_verify.dag
deleted file mode 100644
index 14d756c74bb..00000000000
--- a/src/v3/compiler/tests/dag/t_impossiblebugs_force_unwrap_regression_verify.dag
+++ /dev/null
@@ -1,22 +0,0 @@
-// T-ImpossibleBugs unhandled-diagnostic-paths force_unwrap regression-verify.
-//
-// The class is closed by totality-by-omission: gunbc has no force-unwrap
-// primitive or syntax. This claim pins that the named partial form remains
-// unexpressible and fails closed during resolution rather than reaching runtime.
-
-module v3.compiler.tests.t_impossiblebugs.force_unwrap_regression_verify
-
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-data force_unwrap_absent_resolve_error: TestClaim = {
-  name: "force_unwrap_absent_resolve_error",
-  source: "type Maybe<T> = Some(T) | None\nfn bad(m: Maybe<Int>) -> Int = force_unwrap(m)\n",
-  file_name: "force_unwrap_absent_resolve_error.v3",
-  predicate: FailsWithDiagnostic({ kind: ResolveError, detail_contains: Contains("force_unwrap") }),
-  requires: []
-}
-
-data suite_force_unwrap_regression_verify: TestSuite = {
-  name: "t-impossiblebugs/unhandled-diagnostic-paths/force-unwrap-regression-verify",
-  claims: [Enumerated(force_unwrap_absent_resolve_error)]
-}
diff --git a/src/v3/compiler/tests/dag/t_impossiblebugs_nested_optional_flatten.dag b/src/v3/compiler/tests/dag/t_impossiblebugs_nested_optional_flatten.dag
deleted file mode 100644
index e3cc3fc3924..00000000000
--- a/src/v3/compiler/tests/dag/t_impossiblebugs_nested_optional_flatten.dag
+++ /dev/null
@@ -1,22 +0,0 @@
-// T-ImpossibleBugs nested-optional flatten class-close gate.
-//
-// The claim program typechecks only if the surface `Int??` parameter lowers to
-// the same cardinality shape as `Int?`; without the constructor invariant, the
-// return annotation would require `Int?` while the body carries `Int??`.
-
-module v3.compiler.tests.t_impossiblebugs.nested_optional_flatten
-
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-data nested_optional_flatten_compile_error: TestClaim = {
-  name: "nested_optional_flatten_compile_error",
-  source: "fn flatten_probe(x: Int??) -> Int? = x\n",
-  file_name: "nested_optional_flatten_compile_error.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_nested_optional_flatten_class_close: TestSuite = {
-  name: "t-impossiblebugs/nested-optional-flatten/class-close",
-  claims: [Enumerated(nested_optional_flatten_compile_error)]
-}
diff --git a/src/v3/compiler/tests/dag/t_pb_b_1_contract_diagnostic_smoke.dag b/src/v3/compiler/tests/dag/t_pb_b_1_contract_diagnostic_smoke.dag
deleted file mode 100644
index 08915510f9f..00000000000
--- a/src/v3/compiler/tests/dag/t_pb_b_1_contract_diagnostic_smoke.dag
+++ /dev/null
@@ -1,21 +0,0 @@
-// T-PB-B-1 — contract negative (`FailsWithDiagnostic`) as landed `.dag` data.
-//
-// Compile-smoke only checks that this *module* lowers with empty diagnostics; it does not
-// typecheck the embedded `source` string or evaluate the predicate. Runner replaces that proxy.
-
-module v3.compiler.tests.t_pb_b_1.contract_diagnostic_smoke
-
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-data claim_bool_int_rejected: TestClaim = {
-  name: "Bool annotation rejects Int literal",
-  source: "let x: Bool = 1",
-  file_name: "t1_4_type_mismatch.v3",
-  predicate: FailsWithDiagnostic({ kind: TypeMismatch, detail_contains: AnyDetail }),
-  requires: []
-}
-
-data suite_contract_diagnostic_negatives: TestSuite = {
-  name: "t-pb-b-1/contract/diagnostic_negatives",
-  claims: [Enumerated(claim_bool_int_rejected)]
-}
diff --git a/src/v3/compiler/tests/dag/t_pb_b_1_contract_port_cost.dag b/src/v3/compiler/tests/dag/t_pb_b_1_contract_port_cost.dag
deleted file mode 100644
index 682297b265e..00000000000
--- a/src/v3/compiler/tests/dag/t_pb_b_1_contract_port_cost.dag
+++ /dev/null
@@ -1,28 +0,0 @@
-// T-PB-B-1 — `PortHasState` + `CostBounded` claims (mirrors `m1_5_verification` smoke).
-
-module v3.compiler.tests.t_pb_b_1.contract_port_cost
-
-import std.verification { TestClaim, TestSuite }
-
-data claim_answer_resolved: TestClaim = {
-  name: "answer bind resolves",
-  source: "let answer: Int = 1 + 1 + 1 + 1",
-  file_name: "t_pb_b_1_port_answer.v3",
-  predicate: PortHasState("answer", Resolved),
-  requires: []
-}
-
-// Cost value is the runner-evaluated witness (three `+` additions = 3), not
-// the `Eq 8` placeholder copied from the unevaluated `m1_5_verification` smoke.
-data claim_answer_cost_bounded: TestClaim = {
-  name: "answer bind has bounded cost witness (Eq 3)",
-  source: "let answer: Int = 1 + 1 + 1 + 1",
-  file_name: "t_pb_b_1_cost_answer.v3",
-  predicate: CostBounded("answer", Eq, 3),
-  requires: []
-}
-
-data suite_contract_port_and_cost: TestSuite = {
-  name: "t-pb-b-1/contract/port_and_cost",
-  claims: [Enumerated(claim_answer_resolved), Enumerated(claim_answer_cost_bounded)]
-}
diff --git a/src/v3/compiler/tests/dag/t_pb_b_1_execute_command_boundary.dag b/src/v3/compiler/tests/dag/t_pb_b_1_execute_command_boundary.dag
deleted file mode 100644
index 99a517b7f8b..00000000000
--- a/src/v3/compiler/tests/dag/t_pb_b_1_execute_command_boundary.dag
+++ /dev/null
@@ -1,57 +0,0 @@
-// PB-Runtime — `ExecuteCommand` end-to-end through the landed `.dag` harness.
-// Migration receipt: the class-5 boundary pattern in
-// `m1_4_emit_python_test::python_stdout` (host spawn + success via process exit) is
-// structurally the same as `TestPredicate::ExecuteCommand`; this module uses `sh` instead of
-// `python3` so default CI does not need CPython. (Stdout/stderr are out of scope for the schema.)
-// POSIX / CI: `true` is portable. `sh -c` and `echo` assume POSIX `sh` and `echo` on PATH. The
-// repo’s ci.yml v3 job runs on Linux (ubicloud-standard-2) only. If a Windows CI job is added, gate
-// or trim the sh/echo claims; keep the `true` claim as portable smoke. A matrix that runs this
-// file’s suite on Windows ungated will go red (api-review e99b53e7).
-//
-// See also: `m1_5_testgen_test::extension_predicates_reach_interpreter_boundary`.
-
-module v3.compiler.tests.t_pb_b_1.execute_command_boundary
-
-import std.verification { TestClaim, TestSuite }
-
-data claim_tautology_true: TestClaim = {
-  name: "ExecuteCommand true (smoke)",
-  source: "let marker: Int = 1",
-  file_name: "t_pb_b_1_execute_cmd_marker.v3",
-  predicate: ExecuteCommand("true", [], 0),
-  requires: []
-}
-
-data claim_shell_exit_ok: TestClaim = {
-  name: "ExecuteCommand sh -c exit 0 (shell boundary migration)",
-  source: "let marker: Int = 1",
-  file_name: "t_pb_b_1_execute_cmd_marker.v3",
-  predicate: ExecuteCommand("sh", ["-c", "exit 0"], 0),
-  requires: []
-}
-
-data claim_shell_exit_nonzero_matches: TestClaim = {
-  name: "ExecuteCommand sh -c exit 7 (typed nonzero match)",
-  source: "let marker: Int = 1",
-  file_name: "t_pb_b_1_execute_cmd_marker.v3",
-  predicate: ExecuteCommand("sh", ["-c", "exit 7"], 7),
-  requires: []
-}
-
-data claim_echo_hi: TestClaim = {
-  name: "ExecuteCommand echo hi (non-tautological argv)",
-  source: "let marker: Int = 1",
-  file_name: "t_pb_b_1_execute_cmd_marker.v3",
-  predicate: ExecuteCommand("echo", ["hi"], 0),
-  requires: []
-}
-
-data suite_execute_command_boundary: TestSuite = {
-  name: "t-pb-b-1/execute_command/boundary",
-  claims: [
-    Enumerated(claim_tautology_true),
-    Enumerated(claim_shell_exit_ok),
-    Enumerated(claim_shell_exit_nonzero_matches),
-    Enumerated(claim_echo_hi)
-  ]
-}
diff --git a/src/v3/compiler/tests/dag/t_pb_b_1_pipeline_smoke.dag b/src/v3/compiler/tests/dag/t_pb_b_1_pipeline_smoke.dag
deleted file mode 100644
index ee8f639d2b2..00000000000
--- a/src/v3/compiler/tests/dag/t_pb_b_1_pipeline_smoke.dag
+++ /dev/null
@@ -1,19 +0,0 @@
-// T-PB-B-1 — pipeline smoke `TestClaim` / `TestSuite` (landed `.dag` authority).
-// Schema: `src/v3/std/verification.dag`. Runner evaluation is Testgen follow-up.
-
-module v3.compiler.tests.t_pb_b_1.pipeline_smoke
-
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-data claim_pipe_unary_compiles: TestClaim = {
-  name: "pipe unary call program compiles",
-  source: "fn negate(x: Int) -> Int = 0 - x\nlet y = 5 |> negate\n",
-  file_name: "pipe_unary.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_pipeline_pipe_unary: TestSuite = {
-  name: "t-pb-b-1/pipeline/pipe_unary_compiles",
-  claims: [Enumerated(claim_pipe_unary_compiles)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r1c_d_pb_census_gates.dag b/src/v3/compiler/tests/dag/t_r1c_d_pb_census_gates.dag
deleted file mode 100644
index 37705420376..00000000000
--- a/src/v3/compiler/tests/dag/t_r1c_d_pb_census_gates.dag
+++ /dev/null
@@ -1,197 +0,0 @@
-// R1C-D — PB census `.dag` TestClaim fixtures for the six
-// PB census gates (T-PB-A ×4 + T-PB-B ×2). The Rust ratchets in
-// `src/v3/compiler/tests/integration/self_gen0_census_test.rs` remain the
-// drift-detection authority on the underlying lists; this file wires the
-// release-gate `.dag` layer that R1 close evaluates, per the strict
-// reading of `THESIS.md §"Tests are structural data"`.
-//
-// Predicate shapes consumed here (`CensusBoundCheck`, `CensusSubsetCount`,
-// `FixedPointConverges`, `RatchetZero`, `GeneratedFromDag`) live at
-// `src/v3/std/verification.dag`. Runner dispatch lives at
-// `src/v3/compiler/src/test_runner.rs::run_claim` (the
-// `eval_*_shape` family).
-//
-// **Today's evaluation state** (R1C-D acceptance: gate evaluates `Pass`
-// or `Fail` against the live census, never `NotYetImplemented`):
-//
-//   D.1 / D.6 — `CensusBoundCheck` against `EXPECTED_HAND_AUTHORED_*`
-//               at `bound = 0` is RED until cascade-promotion 0-floor
-//               (`docs/design-pure-bootstrap-zero.md`, LIVE 2026-04-25)
-//               retires the residual lists. Pacing owned by Pure
-//               Bootstrap to Zero program; surfaced cross-manager.
-//   D.2 — `CensusSubsetCount` lens-producer subset over the non-test
-//         census; same dissolution-pacing dependency as D.1.
-//   D.3 — `FixedPointConverges` runs DB-8 twice and compares snapshots.
-//   D.4 — `RatchetZero` checks the consolidation ratchet count.
-//   D.5 — `GeneratedFromDag` requires the `.dag` manifest to enumerate every
-//         `build.rs::REGEN_OUTPUTS` path exactly once (set equality with
-//         `GENERATED_FILES`) and that the `EXPECTED_HAND_AUTHORED_TEST` census
-//         is empty (Gate #84 negative authority).
-//
-// Lives under `src/v3/compiler/tests/dag/` alongside other `TestRunner`
-// harness modules (R3 Cluster M #84 pilot — tests-as-data layout). The
-// integration receipt is `t_pb_b_1_dag_runner_test::r1c_d_pb_census_gates_suite_evaluates_through_runner`.
-
-module v3.compiler.tests.r1c_d.pb_census_gates
-
-import std.verification {
-  CensusBoundCheck,
-  CensusSubsetCount,
-  FixedPointConverges,
-  GeneratedFromDag,
-  PendingFact,
-  RatchetZero,
-  TestClaim,
-  TestSuite,
-  compiler_std_positive_set_ratchet,
-  expected_hand_authored_non_test,
-  expected_hand_authored_test,
-  lens_producer_files_subset_predicate
-}
-
-// Census-authority handle. The Rust runner's `resolve_census_authority_ref`
-// only requires a `DeclarationRef` edge (it does not pin a name or type);
-// the marker exists so fixtures point at a typed identity that names the
-// underlying authority (`src/v3/compiler/tests/integration/self_gen0_census_test.rs`)
-// rather than smuggling the path through fixture text.
-type Sg0CensusAuthority {}
-
-data self_gen0_census_test_authority: Sg0CensusAuthority = {}
-
-// Stub source string repeated inline on each `TestClaim` below. The PB
-// census `eval_*_shape` family does not consume `claim.source` —
-// evaluation reads live census state via `self_gen_census_list_*` helpers in
-// `test_runner.rs`. The string is repeated rather than referenced through
-// a shared `data` because `TestClaimValue::from_declaration` reads `source`
-// as a `FieldValue::Literal(String)`; a `Reference(_)` edge falls back to
-// the declaration name and breaks the structural `name` contract used by
-// the runner test's claim-order assertion.
-data pb_hand_rust_at_shim_floor_gate: TestClaim = {
-  name: "pb_hand_rust_at_shim_floor",
-  source: "// PB census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r1_pb_hand_rust_at_shim_floor.v3",
-  predicate: CensusBoundCheck {
-    authority: self_gen0_census_test_authority,
-    list_constant: expected_hand_authored_non_test,
-    bound: 0
-  },
-  requires: []
-}
-
-data lens_producer_files_remaining_gate: TestClaim = {
-  name: "lens_producer_files_remaining",
-  source: "// PB census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r1_lens_producer_files_remaining.v3",
-  predicate: CensusSubsetCount {
-    authority: self_gen0_census_test_authority,
-    list_constant: expected_hand_authored_non_test,
-    subset_predicate: lens_producer_files_subset_predicate
-  },
-  requires: []
-}
-
-data pb_self_compile_fixed_point_gate: TestClaim = {
-  name: "pb_self_compile_fixed_point",
-  source: "// PB census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r1_pb_self_compile_fixed_point.v3",
-  predicate: FixedPointConverges {
-    compile_target: "default_fixed_point_source",
-    expected: "pipeline_stage_snapshots"
-  },
-  requires: []
-}
-
-data pb_compiler_std_ratchet_zero_gate: TestClaim = {
-  name: "pb_compiler_std_ratchet_zero",
-  source: "// PB census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r1_pb_compiler_std_ratchet_zero.v3",
-  predicate: RatchetZero {
-    authority: self_gen0_census_test_authority,
-    ratchet_kind: compiler_std_positive_set_ratchet
-  },
-  requires: []
-}
-
-// `manifest_entries` enumerates every path in the Self-Generation-0 generated-file manifest
-// (`src/v3/compiler/src/lib.rs::generated_files`, emitted from
-// `build.rs::REGEN_OUTPUTS`). **Keep this list in lockstep with that literal**
-// (same paths, same order as `build.rs`) so `GeneratedFromDag` set-equality
-// against `GENERATED_FILES` stays single-authority (INVARIANTS P2 / MODELING
-// Practice 5). The runner requires set equality (no dupes / omissions). The
-// gate's load-bearing T-PB-B check remains that the `EXPECTED_HAND_AUTHORED_TEST`
-// census is empty (Gate #84 negative authority).
-//
-// R3 Cluster M substrate-shape (msg_3b99a90f): entries are typed sum-variants —
-// `PendingFact { output_path }` IS the P3/C-9 honest "unknown" carrier; the
-// follow-up runtime PR materialises `ResolvedFact` as hash-derivation lands.
-data pb_test_file_generated_from_dag_gate: TestClaim = {
-  name: "pb_test_file_generated_from_dag",
-  source: "// PB census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r1_pb_test_file_generated_from_dag.v3",
-  predicate: GeneratedFromDag {
-    authority: self_gen0_census_test_authority,
-    manifest_entries: [
-      PendingFact { output_path: "src/v3/compiler/src/bootstrap_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/bootstrap_generated_without_parse_surface.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/bootstrap_std_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/complexity_lattice_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/complexity_lens_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/cost_basis_declaration_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/dag_branch_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/dag_cluster_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/dag_cost_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/dag_lookup_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/dag_scalar_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/dag_value_body_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/diagnostics_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/emit/collection_ops_method_contract_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/emit_rust_bin_shim_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/enforced_lens_application_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/infer_helpers_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/int_literal_ranges_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/cost_symbolic_lens_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lens_cost_target_realization_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lens_effect_enumeration_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lens_idempotency_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lens_parallelism_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lens_provenance_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lens_structural_resolution_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lens_unused_parameters_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/lower_helpers_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/operators_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/pb_method_template_projection_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/parse_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/parse_surface_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/parse_tables_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/serialize_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/tokenize_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/types_generated.rs" },
-      PendingFact { output_path: "src/v3/compiler/src/variant_payload_generated.rs" }
-    ]
-  },
-  requires: []
-}
-
-data pb_rust_tests_outside_residual_zero_gate: TestClaim = {
-  name: "pb_rust_tests_outside_residual_zero",
-  source: "// PB census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r1_pb_rust_tests_outside_residual_zero.v3",
-  predicate: CensusBoundCheck {
-    authority: self_gen0_census_test_authority,
-    list_constant: expected_hand_authored_test,
-    bound: 0
-  },
-  requires: []
-}
-
-data r1_pb_census_gates_suite: TestSuite = {
-  name: "r1_pb_census_gates_suite",
-  claims: [
-    Enumerated(pb_hand_rust_at_shim_floor_gate),
-    Enumerated(lens_producer_files_remaining_gate),
-    Enumerated(pb_self_compile_fixed_point_gate),
-    Enumerated(pb_compiler_std_ratchet_zero_gate),
-    Enumerated(pb_test_file_generated_from_dag_gate),
-    Enumerated(pb_rust_tests_outside_residual_zero_gate)
-  ]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_fieldproject_dual_authority_dissolution.dag b/src/v3/compiler/tests/dag/t_r3_fieldproject_dual_authority_dissolution.dag
deleted file mode 100644
index 57229e0fa71..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_fieldproject_dual_authority_dissolution.dag
+++ /dev/null
@@ -1,20 +0,0 @@
-// R3 FieldProject dual-authority dissolution cementing fixture.
-// dissolution-trigger: closes #2462 once TransformTarget keeps unresolved
-// labels and resolved field refs in separate variants.
-
-module v3.compiler.tests.t_r3.fieldproject_dual_authority_dissolution
-
-import std.verification { Compiles, TestClaim, TestSuite }
-
-data field_project_resolves_single_authority: TestClaim = {
-  name: "field project resolution leaves no label-child disagreement state",
-  source: "type Pair { x: Int, y: Int }\nfn read_x(p: Pair) -> Int = p.x\n",
-  file_name: "fieldproject_single_authority.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_fieldproject_dual_authority_dissolution: TestSuite = {
-  name: "r3/fieldproject-dual-authority-dissolution",
-  claims: [Enumerated(field_project_resolves_single_authority)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost.dag
deleted file mode 100644
index f076819d157..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost.dag
+++ /dev/null
@@ -1,69 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `cost` (complexity.dag) Lane-E harness on merge-sort
-// (`r1_merge_sort_pair.v3` program text; same authority as `r1_gates.dag` `r1_lane_e_suite`
-// rows `complexity_merge_sort_is_nlogn` + `complexity_merge_sort_v3_matches_v2_oracle`).
-//
-// T-LaneE stubs: `DeclarationRef` lowering only (bodies `miss_int_lookup()` — **not** consulted).
-// `LensOutputEquals(cost_of, …)` → emit `lens_cost::cost_of` vs frozen `Int` oracle (M1(2.8)).
-// `DifferentialEquals(v3_program_cost, v2_oracle_cost, …)` → host forward-fold vs the same emit
-// (`test_runner::eval_lane_e_differential_cost_lineage`; see `r1_gates.dag` ~`v3_program_cost`).
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_cost
-
-import std.substrate { Dag, PortId }
-import std.verification {
-  DifferentialEquals,
-  LensOutputEquals,
-  ProgramOutputBind,
-  TestClaim,
-  TestSuite
-}
-import v3.std.lookup { Lookup, miss_int_lookup }
-
-fn cost_of(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v3_program_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v2_oracle_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-data merge_sort_out: Int = 0
-
-data gate87_merge_sort_program_input: ProgramOutputBind = {
-  output_ref: merge_sort_out
-}
-
-data gate87_merge_sort_expected_cost: Int = 3
-
-data cementing_regen_cost_merge_sort_lens_output_equals: TestClaim = {
-  name: "cementing_regen_cost_merge_sort_lens_output_equals",
-  source: "import std.list { List, cons, singleton, empty }\n\nlet xs: List<Int> = cons(2, singleton(1))\n\nfn merge_sort_pair(xs: List<Int>) -> List<Int> =\n  match xs {\n    Empty => empty()\n    Cons(p0) =>\n      match p0.tail {\n        Empty => xs\n        Cons(p1) =>\n          match p1.tail {\n            Empty =>\n              if p0.head < p1.head\n              then cons(p0.head, singleton(p1.head))\n              else cons(p1.head, singleton(p0.head))\n            Cons(_) => xs\n          }\n      }\n  }\n\nlet merge_sort_out: List<Int> = merge_sort_pair(xs)\n",
-  file_name: "r3_gate_87_merge_sort_pair.v3",
-  predicate: LensOutputEquals(
-    cost_of,
-    gate87_merge_sort_program_input,
-    gate87_merge_sort_expected_cost
-  ),
-  requires: []
-}
-
-data gate87_merge_sort_v3_matches_v2_oracle: TestClaim = {
-  name: "cementing_regen_cost",
-  source: "import std.list { List, cons, singleton, empty }\n\nlet xs: List<Int> = cons(2, singleton(1))\n\nfn merge_sort_pair(xs: List<Int>) -> List<Int> =\n  match xs {\n    Empty => empty()\n    Cons(p0) =>\n      match p0.tail {\n        Empty => xs\n        Cons(p1) =>\n          match p1.tail {\n            Empty =>\n              if p0.head < p1.head\n              then cons(p0.head, singleton(p1.head))\n              else cons(p1.head, singleton(p0.head))\n            Cons(_) => xs\n          }\n      }\n  }\n\nlet merge_sort_out: List<Int> = merge_sort_pair(xs)\n",
-  file_name: "r3_gate_87_merge_sort_pair.v3",
-  predicate: DifferentialEquals(
-    v3_program_cost,
-    v2_oracle_cost,
-    gate87_merge_sort_program_input
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_cost_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/cost",
-  claims: [
-    Enumerated(cementing_regen_cost_merge_sort_lens_output_equals),
-    Enumerated(gate87_merge_sort_v3_matches_v2_oracle)
-  ]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_symbolic.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_symbolic.dag
deleted file mode 100644
index 004465fc3b5..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_symbolic.dag
+++ /dev/null
@@ -1,46 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `cost_symbolic` (`cost.dag`) cementing in `.dag` form.
-// `SymbolicCostExprEquals` applies the emitted symbolic-cost lens to `TestClaim.source`
-// and compares against a frozen `SymbolicCost` witness (same pattern as
-// `symbolic_cost_expr_equals_smoke` in `m1_5_verification_test.rs`).
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_cost_symbolic
-
-import std.algebra { SymbolicCost }
-import std.verification {
-  BindParamRef,
-  BindParamSizeVariable,
-  SymbolicCostBindParamExpected,
-  SymbolicCostExprEquals,
-  SymbolicCostExprEqualsForBindParam,
-  TestClaim,
-  TestSuite
-}
-
-data gate87_symbolic_cost_expected: SymbolicCost = ConstantCost(0)
-
-data gate87_symbolic_cost_countdown_expected: SymbolicCostBindParamExpected =
-  LinearCostForBindParam { var: SelectedBindParamSizeVariable }
-
-data cementing_regen_cost_symbolic_literal_claim: TestClaim = {
-  name: "cementing_regen_cost_symbolic",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_symbolic_lit.v3",
-  predicate: SymbolicCostExprEquals(gate87_symbolic_cost_expected),
-  requires: []
-}
-
-data cementing_regen_cost_symbolic_countdown_claim: TestClaim = {
-  name: "cementing_regen_cost_symbolic_countdown",
-  source: "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)",
-  file_name: "r3_gate_87_symbolic_countdown.v3",
-  predicate: SymbolicCostExprEqualsForBindParam(gate87_symbolic_cost_countdown_expected, { index: 0 }),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_cost_symbolic_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/cost_symbolic",
-  claims: [
-    Enumerated(cementing_regen_cost_symbolic_literal_claim),
-    Enumerated(cementing_regen_cost_symbolic_countdown_claim)
-  ]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_target_realization.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_target_realization.dag
deleted file mode 100644
index 343164d4dae..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_cost_target_realization.dag
+++ /dev/null
@@ -1,31 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `cost_target_realization`.
-// This freezes the declaration-resolution receipt for `type_realization_meta` as a `.dag`
-// `LensOutputEquals` claim with a narrow Int witness.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_cost_target_realization
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, ProgramInput, TestClaim, TestSuite }
-
-fn gate87_cost_target_realization_meta_present(d: Dag) -> Int = 0
-
-data gate87_program_input: ProgramInput = {}
-
-data gate87_expected_true: Int = 1
-
-data cementing_regen_cost_target_realization_claim: TestClaim = {
-  name: "cementing_regen_cost_target_realization",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_cost_target_realization_smoke.v3",
-  predicate: LensOutputEquals(
-    gate87_cost_target_realization_meta_present,
-    gate87_program_input,
-    gate87_expected_true
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_cost_target_realization_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/cost_target_realization",
-  claims: [Enumerated(cementing_regen_cost_target_realization_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_effect_enumeration.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_effect_enumeration.dag
deleted file mode 100644
index e6d1b717e74..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_effect_enumeration.dag
+++ /dev/null
@@ -1,32 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `effect_enumeration`.
-// The claim names a narrow Int projection because `EffectEnumerationReport` literals are not yet
-// authorable as stable `.dag` data. The runner projection applies the Rust cementing oracle for the
-// named lens behavior and compares the frozen witness here.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_effect_enumeration
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, ProgramInput, TestClaim, TestSuite }
-
-fn gate87_effect_enumeration_no_transaction(d: Dag) -> Int = 0
-
-data gate87_program_input: ProgramInput = {}
-
-data gate87_expected_true: Int = 1
-
-data cementing_regen_effect_enumeration_claim: TestClaim = {
-  name: "cementing_regen_effect_enumeration",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_effect_enumeration_smoke.v3",
-  predicate: LensOutputEquals(
-    gate87_effect_enumeration_no_transaction,
-    gate87_program_input,
-    gate87_expected_true
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_effect_enumeration_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/effect_enumeration",
-  claims: [Enumerated(cementing_regen_effect_enumeration_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_idempotency.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_idempotency.dag
deleted file mode 100644
index 90b3050b278..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_idempotency.dag
+++ /dev/null
@@ -1,37 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `idempotency` (COMPLETE / v3-native per `verification.dag`).
-// **INVARIANTS §P5(b) / `docs/r3-program-plan.md` §1.8 row #87** (`lens_cementing_test_discipline_complete`,
-// T-Tests-As-Data-Completeness): this harness + `r3_gate_87_cementing_regen_runner_suites.rs` +
-// `test_runner::eval_gate_87_cementing_projection` + `r3_gate_87_lens_cementing_regen_receipts_test`
-// are the single merge-visible receipt bundle for the registry row (no parallel hand list).
-// Narrow Int projection: a literal bind without Lane-2 workflow staging yields
-// `WorkflowIdempotencyReport::IdempotencyUnsupported` with `variant_name == "Lane2WorkflowRoot"`.
-// Dissolution: widen to a full `WorkflowIdempotencyReport` `LensOutputEquals` once report literals
-// are authorable as `.dag` data.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_idempotency
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, ProgramInput, TestClaim, TestSuite }
-
-fn gate87_idempotency_literal_no_lane2_workflow(d: Dag) -> Int = 0
-
-data gate87_program_input: ProgramInput = {}
-
-data gate87_expected_true: Int = 1
-
-data cementing_regen_idempotency_claim: TestClaim = {
-  name: "cementing_regen_idempotency"
-  source: "let lit: Int = 7"
-  file_name: "r3_gate_87_idempotency_smoke.v3"
-  predicate: LensOutputEquals(
-    gate87_idempotency_literal_no_lane2_workflow,
-    gate87_program_input,
-    gate87_expected_true
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_idempotency_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/idempotency"
-  claims: [Enumerated(cementing_regen_idempotency_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_infer_helpers.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_infer_helpers.dag
deleted file mode 100644
index 8284487a101..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_infer_helpers.dag
+++ /dev/null
@@ -1,26 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `infer_helpers` temporary source-compilation placeholder.
-// Helper-only lens rows currently have no single public behavioral carrier to compare with
-// `LensOutputEquals`; pretending source compilation is behavior would dilute the cementing
-// predicate. Temporary Rust receipt:
-// `r3_gate_87_lens_cementing_regen_receipts_test::r3_gate_87_infer_helpers_lens_source_compiles`.
-//
-// Dissolution trigger: when an `infer_helpers` public output carrier is authorable as `.dag` data,
-// replace this `Compiles` claim with a behavior/output `LensOutputEquals` receipt over that carrier
-// and delete the temporary Rust source-compilation receipt.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_infer_helpers
-
-import std.verification { Compiles, TestClaim, TestSuite }
-
-data cementing_regen_infer_helpers_claim: TestClaim = {
-  name: "cementing_regen_infer_helpers",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_infer_helpers_smoke.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_infer_helpers_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/infer_helpers",
-  claims: [Enumerated(cementing_regen_infer_helpers_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_lower_helpers.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_lower_helpers.dag
deleted file mode 100644
index b771c6acb21..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_lower_helpers.dag
+++ /dev/null
@@ -1,26 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `lower_helpers` temporary source-compilation placeholder.
-// Helper-only lens rows currently have no single public behavioral carrier to compare with
-// `LensOutputEquals`; pretending source compilation is behavior would dilute the cementing
-// predicate. Temporary Rust receipt:
-// `r3_gate_87_lens_cementing_regen_receipts_test::r3_gate_87_lower_helpers_lens_source_compiles`.
-//
-// Dissolution trigger: when a `lower_helpers` public output carrier is authorable as `.dag` data,
-// replace this `Compiles` claim with a behavior/output `LensOutputEquals` receipt over that carrier
-// and delete the temporary Rust source-compilation receipt.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_lower_helpers
-
-import std.verification { Compiles, TestClaim, TestSuite }
-
-data cementing_regen_lower_helpers_claim: TestClaim = {
-  name: "cementing_regen_lower_helpers",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_lower_helpers_smoke.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_lower_helpers_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/lower_helpers",
-  claims: [Enumerated(cementing_regen_lower_helpers_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_parallelism.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_parallelism.dag
deleted file mode 100644
index af2d4898a6c..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_parallelism.dag
+++ /dev/null
@@ -1,39 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `parallelism` (COMPLETE / v3-native per `verification.dag`).
-// **INVARIANTS §P5(b) / `docs/r3-program-plan.md` §1.8 row #87** (`lens_cementing_test_discipline_complete`,
-// T-Tests-As-Data-Completeness): this harness + `r3_gate_87_cementing_regen_runner_suites.rs` +
-// `test_runner::eval_gate_87_cementing_projection` + `r3_gate_87_lens_cementing_regen_receipts_test`
-// are the single merge-visible receipt bundle for the new registry row (no parallel hand list).
-// Narrow Int projection: a literal bind without Lane-2 workflow staging yields
-// `ParallelismUnsupportedKind::NoWorkflowProjection` from `analyze_parallelism` (runner seam:
-// `eval_gate_87_cementing_projection`). Dissolution: widen to a full `WorkflowParallelismReport`
-// `LensOutputEquals` once report literals are authorable as `.dag` data (T-PB-B tests-as-data
-// carrier lane; behavioral completion for row #81 is pinned by typed
-// `PairwiseNonCommute { left, right }` evidence on `WorkflowParallelismReport`.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_parallelism
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, ProgramInput, TestClaim, TestSuite }
-
-fn gate87_parallelism_literal_no_workflow_projection(d: Dag) -> Int = 0
-
-data gate87_program_input: ProgramInput = {}
-
-data gate87_expected_true: Int = 1
-
-data cementing_regen_parallelism_claim: TestClaim = {
-  name: "cementing_regen_parallelism",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_parallelism_smoke.v3",
-  predicate: LensOutputEquals(
-    gate87_parallelism_literal_no_workflow_projection,
-    gate87_program_input,
-    gate87_expected_true
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_parallelism_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/parallelism",
-  claims: [Enumerated(cementing_regen_parallelism_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_provenance.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_provenance.dag
deleted file mode 100644
index 08b152fd550..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_provenance.dag
+++ /dev/null
@@ -1,31 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `provenance`.
-// The claim freezes the minimal literal-bind origin witness through a named Int projection until
-// `Origin` literals can be compared directly by `LensOutputEquals`.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_provenance
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, ProgramInput, TestClaim, TestSuite }
-
-fn gate87_provenance_literal_origin_source(d: Dag) -> Int = 0
-
-data gate87_program_input: ProgramInput = {}
-
-data gate87_expected_true: Int = 1
-
-data cementing_regen_provenance_claim: TestClaim = {
-  name: "cementing_regen_provenance",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_provenance_smoke.v3",
-  predicate: LensOutputEquals(
-    gate87_provenance_literal_origin_source,
-    gate87_program_input,
-    gate87_expected_true
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_provenance_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/provenance",
-  claims: [Enumerated(cementing_regen_provenance_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_structural_resolution.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_structural_resolution.dag
deleted file mode 100644
index 124a6250315..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_structural_resolution.dag
+++ /dev/null
@@ -1,31 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `structural_resolution`.
-// The full `List<UnresolvedArrowBody>` expected carrier is not yet stable as authored `.dag`
-// data, so this claim freezes the minimal no-violation witness through a named Int projection.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_structural_resolution
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, ProgramInput, TestClaim, TestSuite }
-
-fn gate87_structural_resolution_no_violations(d: Dag) -> Int = 0
-
-data gate87_program_input: ProgramInput = {}
-
-data gate87_expected_true: Int = 1
-
-data cementing_regen_structural_resolution_claim: TestClaim = {
-  name: "cementing_regen_structural_resolution",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_structural_resolution_smoke.v3",
-  predicate: LensOutputEquals(
-    gate87_structural_resolution_no_violations,
-    gate87_program_input,
-    gate87_expected_true
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_structural_resolution_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/structural_resolution",
-  claims: [Enumerated(cementing_regen_structural_resolution_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_unused_parameters.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_unused_parameters.dag
deleted file mode 100644
index 4efaeb41569..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_unused_parameters.dag
+++ /dev/null
@@ -1,31 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `unused_parameters`.
-// The full `List<UnusedParameter>` expected carrier is not yet stable as authored `.dag` data,
-// so this claim freezes the minimal no-finding witness through a named Int projection.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_unused_parameters
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, ProgramInput, TestClaim, TestSuite }
-
-fn gate87_unused_parameters_no_findings(d: Dag) -> Int = 0
-
-data gate87_program_input: ProgramInput = {}
-
-data gate87_expected_true: Int = 1
-
-data cementing_regen_unused_parameters_claim: TestClaim = {
-  name: "cementing_regen_unused_parameters",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_unused_parameters_smoke.v3",
-  predicate: LensOutputEquals(
-    gate87_unused_parameters_no_findings,
-    gate87_program_input,
-    gate87_expected_true
-  ),
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_unused_parameters_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/unused_parameters",
-  claims: [Enumerated(cementing_regen_unused_parameters_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_variant_payload.dag b/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_variant_payload.dag
deleted file mode 100644
index fb8b96bc018..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_variant_payload.dag
+++ /dev/null
@@ -1,27 +0,0 @@
-// R3 gate #87 — `LensRegistryEntry` `variant_payload` temporary source-compilation placeholder.
-// The public lens entry needs a real variant declaration id fixture before it can compare
-// `VariantPayloadShapeLookup`; source compilation must remain explicit placeholder evidence, not
-// a renamed behavior claim. Temporary Rust receipt:
-// `r3_gate_87_lens_cementing_regen_receipts_test::r3_gate_87_variant_payload_lens_source_compiles`.
-//
-// Dissolution trigger: when a stable variant-declaration fixture and `VariantPayloadShapeLookup`
-// expected literal are authorable as `.dag` data, replace this `Compiles` claim with a
-// `LensOutputEquals(variant_payload_shape, ..., expected)` receipt and delete the temporary Rust
-// source-compilation receipt.
-
-module v3.compiler.tests.t_r3.gate_87_cementing_regen_variant_payload
-
-import std.verification { Compiles, TestClaim, TestSuite }
-
-data cementing_regen_variant_payload_claim: TestClaim = {
-  name: "cementing_regen_variant_payload",
-  source: "let lit: Int = 7",
-  file_name: "r3_gate_87_variant_payload_smoke.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data r3_gate_87_cementing_regen_variant_payload_suite: TestSuite = {
-  name: "r3-gate-87/cementing/regen/variant_payload",
-  claims: [Enumerated(cementing_regen_variant_payload_claim)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_missing_emission_path_typed_axes.dag b/src/v3/compiler/tests/dag/t_r3_missing_emission_path_typed_axes.dag
deleted file mode 100644
index 39b54159d05..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_missing_emission_path_typed_axes.dag
+++ /dev/null
@@ -1,20 +0,0 @@
-// R3 F1 MissingEmissionPath typed-axes cementing fixture.
-// dissolution-trigger: closes #2465 once the substrate diagnostic carrier
-// rejects stringified connective / behavior / target axes.
-
-module v3.compiler.tests.t_r3.missing_emission_path_typed_axes
-
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-data missing_emission_path_rejects_string_axes: TestClaim = {
-  name: "MissingEmissionPath rejects string discriminant axes",
-  source: "import v3.std.diagnostics { EmissionDiagnostic, MissingEmissionPath }\n\nfn diag() -> EmissionDiagnostic = MissingEmissionPath(\"Atom\", \"Value\", \"rust\")\n",
-  file_name: "missing_emission_path_typed_axes.v3",
-  predicate: FailsWithDiagnostic({ kind: ResolveError, detail_contains: AnyDetail }),
-  requires: []
-}
-
-data suite_missing_emission_path_typed_axes: TestSuite = {
-  name: "r3/missing-emission-path-typed-axes",
-  claims: [Enumerated(missing_emission_path_rejects_string_axes)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_tests_as_data_demonstration.dag b/src/v3/compiler/tests/dag/t_r3_tests_as_data_demonstration.dag
deleted file mode 100644
index 83417bce4b4..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_tests_as_data_demonstration.dag
+++ /dev/null
@@ -1,28 +0,0 @@
-// R3 gate #74 -- tests_as_data_demonstration.
-//
-// Port target: retired Rust integration test
-// `t_pb_b_brief_d_pipeline_smoke_fixture_lowers_cleanly`
-// (`src/v3/compiler/tests/integration/t_pb_b_brief_d_fixture_smoke_test.rs`).
-//
-// Surface check before authoring:
-// - predicate: `Compiles` is wired in `TestRunner`;
-// - lens: none;
-// - substrate-shape gates #85/#86 are not required for this one-cell carrier;
-// - this is a demonstration cell only, not gate #84 bulk-port closure.
-
-module v3.compiler.tests.r3.tests_as_data_demonstration
-
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-data claim_tests_as_data_pipeline_smoke_compiles: TestClaim = {
-  name: "tests-as-data port of pipeline smoke fixture compiles",
-  source: "fn negate(x: Int) -> Int = 0 - x\nlet y = 5 |> negate\n",
-  file_name: "pipe_unary.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_tests_as_data_demonstration: TestSuite = {
-  name: "r3/tests-as-data-demonstration/pipeline_smoke_compiles",
-  claims: [Enumerated(claim_tests_as_data_pipeline_smoke_compiles)]
-}
diff --git a/src/v3/compiler/tests/dag/t_r3_tier3_dissolution_demonstration.dag b/src/v3/compiler/tests/dag/t_r3_tier3_dissolution_demonstration.dag
deleted file mode 100644
index e44fb3c3f31..00000000000
--- a/src/v3/compiler/tests/dag/t_r3_tier3_dissolution_demonstration.dag
+++ /dev/null
@@ -1,33 +0,0 @@
-// R3 gate #65 -- tier3_dissolution_demonstration_executes.
-//
-// Executable demonstration: a Tier3 mirror-consumer `.dag` program imports and
-// inhabits the std termination `DescentEvidence` carrier currently mirrored by
-// the hand-Rust Phase-1 bench path. This is the gate-65 receipt; it dissolves
-// into the broader T-Tier3 mirror-retirement lane when the remaining mirror
-// consumers run exclusively through std/evaluator authority.
-
-module v3.compiler.tests.r3.tier3_dissolution_demonstration
-
-import std.termination {
-  DescentUnknown,
-  NonIncreasing,
-  Strict
-}
-import std.verification {
-  Compiles,
-  TestClaim,
-  TestSuite
-}
-
-data tier3_dissolution_demonstration_executes: TestClaim = {
-  name: "tier3_dissolution_demonstration_executes",
-  source: "import std.termination { DescentEvidence, NonIncreasing }\n\nlet tier3_demo_evidence: DescentEvidence = NonIncreasing\n",
-  file_name: "tier3_dissolution_demonstration_executes.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_tier3_dissolution_demonstration: TestSuite = {
-  name: "r3/tier3-dissolution-demonstration",
-  claims: [Enumerated(tier3_dissolution_demonstration_executes)]
-}
diff --git a/src/v3/compiler/tests/determinism_test.rs b/src/v3/compiler/tests/determinism_test.rs
deleted file mode 100644
index 0c798b0d407..00000000000
--- a/src/v3/compiler/tests/determinism_test.rs
+++ /dev/null
@@ -1,273 +0,0 @@
-//! DB-8 / Lane D — emission determinism ratchet (`feedback_structural_perf_tests`).
-//!
-//! Per [`docs/design-fixed-point-ratchet.md`](../../docs/design-fixed-point-ratchet.md):
-//! for fixed `(dag, target)`, repeated `emit` must yield **byte-identical** text.
-//! This module locks that contract structurally: **5× re-emit** on every row of
-//! the shared emit matrix (`integration/common/determinism_fixtures.rs`).
-//!
-//! ## DB-8 non-determinism sources (structural coverage map)
-//!
-//! 1. **HashMap iteration order** — ratchet: no unstable map iteration in emit;
-//!    mechanical follow-up: sorted keys / `BTreeMap` (see `emit.rs` policy).
-//!    *Structural hook:* `emit_rs_hash_iteration_debt_is_visible_to_audit` documents current
-//!    `emit.rs` surface until Lane 1e dissolves remaining `HashMap` uses.
-//! 2. **HashSet iteration order** — same class as (1).
-//! 3. **Timestamp / build metadata embedding** — `assert_no_time_or_line_macros`.
-//! 4. **Absolute path strings in output** — `assert_no_absolute_path_leakage` on
-//!    emitted Rust (best-effort; spans should stay relative fixture names). Covers
-//!    common macOS/Windows/Linux **and** typical CI workspace prefixes (e.g. GitHub Actions);
-//!    program/module matrix **and** disk-backed `four_fixture_pressure` sources (real paths in
-//!    `compile_to_dag`). Lane 1 Stage 1e may tighten further.
-//! 5. **Unstable sorts / tie-breakers** — covered by byte-stable `emit` replay
-//!    on one fixed `Dag` (same as 6).
-//! 6. **Generated id allocation order** — same as (5).
-//! 7. **Float formatting variance** — `assert_no_float_scientific_suspects` on
-//!    emitted Rust for the matrix (guards accidental `{:e}`-style output).
-//! 8. **Filesystem read order** — not exercised by string-in/string-out emit;
-//!    documented as N/A for this test file (emit does not `read_dir`).
-
-#[path = "integration/common/mod.rs"]
-mod common;
-
-#[path = "integration/common/determinism_fixtures.rs"]
-mod determinism_fixtures;
-
-use std::path::PathBuf;
-
-use crate::common::cached_compile_to_dag;
-use determinism_fixtures::{
-    ModuleFixture, ProgramFixture, FOUR_FIXTURE_FILES, GO_EMIT_EXCLUDE, MODULE_FIXTURES,
-    PROGRAM_FIXTURES, PYTHON_EMIT_EXCLUDE,
-};
-use v3_compiler::emit::{emit, emit_module, EmitTarget};
-
-const RUNS: usize = 5;
-
-fn fixtures_dir_four() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("tests")
-        .join("four_fixture_pressure")
-}
-
-fn emit_rust_program(fixture: &ProgramFixture) -> String {
-    let dag = cached_compile_to_dag(fixture.source, "determinism_program_matrix.v3");
-    emit(&dag, EmitTarget::Rust)
-        .unwrap_or_else(|e| panic!("emit rust {}: {e:?}", fixture.name))
-        .text
-}
-
-fn emit_go_program(fixture: &ProgramFixture) -> String {
-    let dag = cached_compile_to_dag(fixture.source, "determinism_program_matrix_go.v3");
-    emit(&dag, EmitTarget::Go)
-        .unwrap_or_else(|e| panic!("emit go {}: {e:?}", fixture.name))
-        .text
-}
-
-fn emit_python_program(fixture: &ProgramFixture) -> String {
-    let dag = cached_compile_to_dag(fixture.source, "determinism_program_matrix_py.v3");
-    emit(&dag, EmitTarget::Python)
-        .unwrap_or_else(|e| panic!("emit python {}: {e:?}", fixture.name))
-        .text
-}
-
-fn emit_rust_module(fixture: &ModuleFixture) -> String {
-    let dag = cached_compile_to_dag(fixture.source, "determinism_module_matrix.v3");
-    emit_module(&dag, EmitTarget::Rust)
-        .unwrap_or_else(|e| panic!("emit rust module {}: {e:?}", fixture.name))
-        .text
-}
-
-fn emit_go_module(fixture: &ModuleFixture) -> String {
-    let dag = cached_compile_to_dag(fixture.source, "determinism_module_matrix_go.v3");
-    emit_module(&dag, EmitTarget::Go)
-        .unwrap_or_else(|e| panic!("emit go module {}: {e:?}", fixture.name))
-        .text
-}
-
-fn emit_python_module(fixture: &ModuleFixture) -> String {
-    let dag = cached_compile_to_dag(fixture.source, "determinism_module_matrix_py.v3");
-    emit_module(&dag, EmitTarget::Python)
-        .unwrap_or_else(|e| panic!("emit python module {}: {e:?}", fixture.name))
-        .text
-}
-
-fn assert_five_identical_runs(mut run: impl FnMut() -> String, label: &str) {
-    let first = run();
-    for i in 1..RUNS {
-        let next = run();
-        assert_eq!(
-            first, next,
-            "emit determinism failed for {label}: run 0 vs run {i}"
-        );
-    }
-}
-
-fn assert_no_time_or_line_macros(rust: &str, label: &str) {
-    for needle in ["SystemTime", "std::time::", "file!(", "line!(", "column!("] {
-        assert!(
-            !rust.contains(needle),
-            "{label}: emitted Rust must not embed build-metadata or time hooks (`{needle}`)"
-        );
-    }
-}
-
-fn assert_no_absolute_path_leakage(rust: &str, label: &str) {
-    // Substrings that usually indicate a leaked host or CI workspace path in emit output.
-    const LEAK_NEEDLES: &[&str] = &[
-        "/Users/",
-        "\\\\Users\\\\",
-        "/home/runner/",
-        "/home/circleci/",
-        "/github/workspace/",
-        "/builds/",
-        "/root/",
-    ];
-    for needle in LEAK_NEEDLES {
-        if rust.contains(needle) {
-            panic!("{label}: emitted Rust appears to contain an absolute path ({needle:?})");
-        }
-    }
-}
-
-fn assert_no_float_scientific_suspects(rust: &str, label: &str) {
-    if rust.contains(":e}") || rust.contains(":E}") {
-        panic!("{label}: unexpected scientific float formatting token in emit output");
-    }
-}
-
-fn audit_rust_emit_text(rust: &str, label: &str) {
-    assert_no_time_or_line_macros(rust, label);
-    assert_no_absolute_path_leakage(rust, label);
-    assert_no_float_scientific_suspects(rust, label);
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn emit_matrix_program_rust_is_deterministic() {
-    for fixture in PROGRAM_FIXTURES {
-        let name = fixture.name;
-        assert_five_identical_runs(
-            || emit_rust_program(fixture),
-            &format!("rust program {name}"),
-        );
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn emit_matrix_program_go_is_deterministic() {
-    // Pre-filter via GO_EMIT_EXCLUDE (currently empty — Loop landed in PR #692).
-    for fixture in PROGRAM_FIXTURES
-        .iter()
-        .filter(|f| !GO_EMIT_EXCLUDE.contains(&f.name))
-    {
-        let name = fixture.name;
-        assert_five_identical_runs(|| emit_go_program(fixture), &format!("go program {name}"));
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn emit_matrix_program_python_is_deterministic() {
-    // Pre-filter via PYTHON_EMIT_EXCLUDE (currently empty — operators + Loop both landed).
-    for fixture in PROGRAM_FIXTURES
-        .iter()
-        .filter(|f| !PYTHON_EMIT_EXCLUDE.contains(&f.name))
-    {
-        let name = fixture.name;
-        assert_five_identical_runs(
-            || emit_python_program(fixture),
-            &format!("python program {name}"),
-        );
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn emit_matrix_module_rust_is_deterministic() {
-    for fixture in MODULE_FIXTURES {
-        let name = fixture.name;
-        assert_five_identical_runs(|| emit_rust_module(fixture), &format!("rust module {name}"));
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn emit_matrix_module_go_is_deterministic() {
-    for fixture in MODULE_FIXTURES {
-        let name = fixture.name;
-        assert_five_identical_runs(|| emit_go_module(fixture), &format!("go module {name}"));
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn emit_matrix_module_python_is_deterministic() {
-    for fixture in MODULE_FIXTURES {
-        let name = fixture.name;
-        assert_five_identical_runs(
-            || emit_python_module(fixture),
-            &format!("python module {name}"),
-        );
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn four_fixture_disk_sources_emit_deterministically() {
-    for file in FOUR_FIXTURE_FILES {
-        let path = fixtures_dir_four().join(file);
-        let source = std::fs::read_to_string(&path)
-            .unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-        let path_for_compile = path.to_string_lossy().to_string();
-        let base = format!("four_fixture {file}");
-        assert_five_identical_runs(
-            || {
-                let dag = cached_compile_to_dag(&source, path_for_compile.as_str());
-                emit(&dag, EmitTarget::Rust)
-                    .unwrap_or_else(|e| panic!("{base} emit rust: {e:?}"))
-                    .text
-            },
-            &base,
-        );
-        let rust_disk = {
-            let dag = cached_compile_to_dag(&source, path_for_compile.as_str());
-            emit(&dag, EmitTarget::Rust)
-                .unwrap_or_else(|e| panic!("{base} emit rust: {e:?}"))
-                .text
-        };
-        audit_rust_emit_text(&rust_disk, &format!("{base} disk rust"));
-        let go_label = format!("{base} go");
-        assert_five_identical_runs(
-            || {
-                let dag = cached_compile_to_dag(&source, path_for_compile.as_str());
-                emit(&dag, EmitTarget::Go)
-                    .unwrap_or_else(|e| panic!("{go_label} emit go: {e:?}"))
-                    .text
-            },
-            &go_label,
-        );
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn db8_rust_emit_avoids_time_paths_and_float_hooks_on_program_matrix() {
-    for fixture in PROGRAM_FIXTURES {
-        let rust = emit_rust_program(fixture);
-        audit_rust_emit_text(&rust, &format!("db8 audit rust program {}", fixture.name));
-    }
-}
-
-#[test]
-fn emit_rs_hash_iteration_debt_is_visible_to_audit() {
-    let path = PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("src/emit.rs");
-    let src = std::fs::read_to_string(&path).expect("read emit.rs");
-    let hash_ops = src.matches("HashMap::").count() + src.matches("HashSet::").count();
-    assert!(
-        hash_ops > 0,
-        "DB-8 §Sources 1–2: emit.rs should still mention HashMap/HashSet until Lane 1e replaces \
-         iteration with BTree* / sorted keys — if this fails, debt is cleared: remove this test \
-         and graduate the CI grep gate to required"
-    );
-}
diff --git a/src/v3/compiler/tests/fixtures/host/r1_p0_no_fabrication_sentinel.sh b/src/v3/compiler/tests/fixtures/host/r1_p0_no_fabrication_sentinel.sh
deleted file mode 100755
index 44efeec4e51..00000000000
--- a/src/v3/compiler/tests/fixtures/host/r1_p0_no_fabrication_sentinel.sh
+++ /dev/null
@@ -1,22 +0,0 @@
-#!/usr/bin/env bash
-# R1C-B / T-P0 — host receipt for `p0_no_fabrication_sentinel`.
-# Host-side ratchet: two load-bearing surfaces must stay free of `__BUG_NO_PROFILE_`
-# (historically mirrored v2 `bug_sentinel_ratchet`; v2 tree removed under T-V2-Retirement G-2).
-set -euo pipefail
-SENTINEL="__BUG_NO_PROFILE_"
-root="$(git rev-parse --show-toplevel 2>/dev/null || true)"
-if [[ -z "${root}" ]]; then
-  echo "r1_p0_no_fabrication_sentinel: not inside a git work tree" >&2
-  exit 1
-fi
-for f in "${root}/dsl/std/types.dag" "${root}/src/v3/compiler/src/infer.rs"; do
-  if [[ ! -f "${f}" ]]; then
-    echo "r1_p0_no_fabrication_sentinel: missing ${f}" >&2
-    exit 1
-  fi
-  if grep -qF "${SENTINEL}" "${f}"; then
-    echo "r1_p0_no_fabrication_sentinel: forbidden substring in ${f}" >&2
-    exit 1
-  fi
-done
-exit 0
diff --git a/src/v3/compiler/tests/fixtures/host/r1_p0_rest_ops_aligned.py b/src/v3/compiler/tests/fixtures/host/r1_p0_rest_ops_aligned.py
deleted file mode 100755
index cc3743ff056..00000000000
--- a/src/v3/compiler/tests/fixtures/host/r1_p0_rest_ops_aligned.py
+++ /dev/null
@@ -1,34 +0,0 @@
-#!/usr/bin/env python3
-"""R1C-B / T-P0 — host receipt for `p0_rest_ops_aligned`.
-
-Mirrors `create_comment_rest_path_matches_github_issues_comments_api` in
-`src/v2/tests/src/effects.rs`: github.Pulls CreateComment must use the Issues API path
-(`/issues/{issue_number}/comments`), not pulls/{pull_number}/comments.
-"""
-from __future__ import annotations
-
-import pathlib
-import sys
-
-
-def main() -> int:
-    root = pathlib.Path(__file__).resolve().parents[6]
-    path = root / "dsl" / "extdeps" / "github" / "pulls.dag"
-    text = path.read_text(encoding="utf-8")
-    needle = "operation CreateComment"
-    if needle not in text:
-        print("CreateComment operation missing", file=sys.stderr)
-        return 1
-    i = text.index(needle)
-    chunk = text[i : i + 1500]
-    if "/issues/" not in chunk:
-        print("CreateComment chunk missing /issues/ path segment", file=sys.stderr)
-        return 1
-    if "issue_number" not in chunk:
-        print("CreateComment chunk missing issue_number path param", file=sys.stderr)
-        return 1
-    return 0
-
-
-if __name__ == "__main__":
-    raise SystemExit(main())
diff --git a/src/v3/compiler/tests/fixtures/r1_gates.dag b/src/v3/compiler/tests/fixtures/r1_gates.dag
deleted file mode 100644
index d041b0e0a1f..00000000000
--- a/src/v3/compiler/tests/fixtures/r1_gates.dag
+++ /dev/null
@@ -1,310 +0,0 @@
-// std.r1_gates - Day-1 R1 gate declarations (integration-test fixture).
-//
-// **Authority:** Hand-edit `r1_gates.template.dag` only. Companion `r1_gates.dag` is
-// **generated** on every `cargo build` of `v3-compiler`: `build.rs` splices
-// `src/v3/lenses/named_function_count.dag` into `user_authored_lens_compiles_gate.source`
-// (single-line placeholder token, see `build.rs` `emit_r1_gates_fixture`) so the on-disk lens
-// is the single program-text authority (T-LensAPI D4 / ROADMAP scheduled cleanup item 3).
-//
-// **T-TestGen** (`testgen_manual_claim_is_first_class`, ROADMAP.md:51, [ext]): hand-authored
-// `manual_negative_claim_gate` + `manual_claim_suite` live in this same module so one
-// fixture file stays the R1 gate surface without growing `src/v3/std/*.dag` (bootstrap
-// enumerates that tree — see PR #679 / review round 1).
-//
-// Lives under `src/v3/compiler/tests/fixtures/` so it is **not** auto-staged
-// into `Dag::new()` bootstrap (`src/v3/std/*.dag` is build-script enumerated).
-// `sub_match_over_user_sum_links_and_runs` also extracts this claim source for
-// the rustc boundary receipt, so the named T-Sub gate has one program witness.
-//
-// merge-conflicts: union with `origin/main` — keep every `data` gate from main
-// (`sub_match_*`, `sub_type_alias_where_*`, `p0_*`, `manual_*`, `testgen_structural_coverage*`) plus this file's
-// `user_authored_lens_compiles_gate`; do not resolve conflicts by keeping only the lens gate.
-
-module std.r1_gates
-
-import std.list { fold }
-import std.substrate { Dag, Behavior, PortId }
-import std.types { Int }
-import std.verification {
-  AlgebraicLaw,
-  Compiles,
-  DeclarationHasRefinement,
-  DifferentialEquals,
-  LensOutputEquals,
-  OutputEquals,
-  ProgramInput,
-  ProgramOutputBind,
-  TestClaim,
-  TestSuite
-}
-import v3.std.lookup { Lookup, miss_int_lookup }
-
-data sub_match_over_user_sum: TestClaim = {
-  name: "sub_match_over_user_sum",
-  source: "type Choice = Number(Int) | Missing\n\nfn score(choice: Choice) -> Int =\n  match choice {\n    Number(value) => value\n    Missing => 0\n  }\n\nlet result: Bool = score(Number(7)) == 7 && score(Missing) == 0\n",
-  file_name: "r1_sub_match_over_user_sum.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data sub_match_over_user_sum_gate: TestSuite = {
-  name: "sub_match_over_user_sum_gate",
-  claims: [Enumerated(sub_match_over_user_sum)]
-}
-
-// R1C-C / T-Sub — type-alias RHS `where` parse + lower (PR #703; DB-11:
-// `test_db11_type_alias_where_survives_parse_and_lower`). Same surface as integration receipt.
-// Predicate: `DeclarationHasRefinement` — fail-closed on silent refinement drop (not `Compiles` alone).
-data sub_type_alias_where_lowers: TestClaim = {
-  name: "sub_type_alias_where_lowers",
-  source: "type PositiveInt = Int where PositiveInt > 0\n",
-  file_name: "r1_sub_type_alias_where_lowers.v3",
-  predicate: DeclarationHasRefinement("PositiveInt"),
-  requires: []
-}
-
-data sub_type_alias_where_lowers_gate: TestSuite = {
-  name: "sub_type_alias_where_lowers_gate",
-  claims: [Enumerated(sub_type_alias_where_lowers)]
-}
-
-// R1C-B / T-P0 — `p0_repeat_string_correct`: literal `repeat_string(...)` on `data` bodies
-// **constant-folds** at lower time (`lower::try_lower_repeat_string_string_data`). `OutputEquals`
-// compares the **lowered** `ValueBody::Scalar` witness — not an interpreter execution of the std
-// `repeat_string` arrow (ROADMAP: dissolution when in-runner evaluation supersedes this fold).
-// Interim `p0_repeat_string_v2_oracle_rust_bridge` retired.
-data p0_repeat_string_correct: TestClaim = {
-  name: "p0_repeat_string_correct",
-  source: "data repeat_string_returns_n_copies: String = repeat_string(s: \"x\", n: 3)\n",
-  file_name: "r1_p0_repeat_string_correct.v3",
-  predicate: OutputEquals("\"xxx\""),
-  requires: []
-}
-
-// Same fold path as `p0_repeat_string_correct`; covers the space-padding slice used by
-// `indent_text`-style composition in `dsl/std/render.dag` (live v2 oracle on `concat` retired).
-data p0_repeat_string_space_pad_correct: TestClaim = {
-  name: "p0_repeat_string_space_pad_correct",
-  source: "data repeat_string_two_spaces: String = repeat_string(s: \" \", n: 2)\n",
-  file_name: "r1_p0_repeat_string_space_pad.v3",
-  predicate: OutputEquals("\"  \""),
-  requires: []
-}
-
-data p0_repeat_string_correct_gate: TestSuite = {
-  name: "p0_repeat_string_correct_gate",
-  claims: [Enumerated(p0_repeat_string_correct), Enumerated(p0_repeat_string_space_pad_correct)]
-}
-
-// R1C-B / T-P0 — `p0_no_fabrication_sentinel` + `p0_rest_ops_aligned` (Worker B): DB-15
-// `ExecuteCommand` host receipts; paths under `tests/fixtures/host/` mirror v2 integration authority.
-// **Constraint:** paths use `git rev-parse --show-toplevel` — requires a **git** checkout (CI OK);
-// bare tarballs / non-git trees cannot resolve script paths (known; document-only).
-
-data p0_no_fabrication_sentinel: TestClaim = {
-  name: "p0_no_fabrication_sentinel",
-  source: "module p0_no_fabrication_sentinel_host\n",
-  file_name: "p0_no_fabrication_sentinel.v3",
-  predicate: ExecuteCommand("bash", ["-c", "exec bash \"$(git rev-parse --show-toplevel)/src/v3/compiler/tests/fixtures/host/r1_p0_no_fabrication_sentinel.sh\""], 0),
-  requires: []
-}
-
-data p0_rest_ops_aligned: TestClaim = {
-  name: "p0_rest_ops_aligned",
-  source: "module p0_rest_ops_aligned_host\n",
-  file_name: "p0_rest_ops_aligned.v3",
-  predicate: ExecuteCommand("bash", ["-c", "exec python3 \"$(git rev-parse --show-toplevel)/src/v3/compiler/tests/fixtures/host/r1_p0_rest_ops_aligned.py\""], 0),
-  requires: []
-}
-
-data p0_host_sentinel_and_rest_gate: TestSuite = {
-  name: "p0_host_sentinel_and_rest_gate",
-  claims: [Enumerated(p0_no_fabrication_sentinel), Enumerated(p0_rest_ops_aligned)]
-}
-
-// Naming stub for `DeclarationRef` resolution on `AlgebraicLaw(Associativity, lens_composition_op)`.
-// The runner resolves `lens_ref` by name from this fixture DAG, then looks up the same name in
-// the compiled `program_dag` (`TestClaim.source`). The stub body is unused at evaluation time —
-// only the **name** is asserted against `program_dag`; keep the **body** byte-identical to
-// `src/v3/lenses/lens_composition_associative_witness.dag` anyway so the parallel copy cannot
-// silently drift (merge hazard / reader confusion).
-// Dissolution trigger: once the runner resolves lens refs directly from `program_dag` without a
-// fixture-side stub, delete this declaration.
-fn lens_composition_op(a: Int, b: Int) -> Int = a + b
-
-// Fixture-local stubs (names + shapes for `DeclarationRef` in this merged DAG). Bodies mirror
-// `src/v3/lenses/named_function_count.dag`; keep in sync when editing the lens file.
-// `LensOutputEquals` does **not** execute these stubs: `test_runner` compiles
-// `R1_CANONICAL_NAMED_FUNCTION_COUNT_LENS` (same bytes as `build.rs` splices for Compiles).
-fn count_named_bind(behavior: Behavior) -> Int =
-  match behavior {
-    Value(v) => 0
-    Transform(t) => 0
-    Branch(b) => 0
-    Loop(l) => 0
-    Bind(bind) => if bind.name == "" then 0 else 1
-  }
-
-fn named_function_count(d: Dag) -> Int =
-  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))
-
-// T-LaneE stubs: `DeclarationRef` lowering only (bodies `miss_int_lookup()` — not consulted).
-// `LensOutputEquals(cost_of, …)` → runner `lens_cost::cost_of` (emit from `complexity.dag`).
-// `DifferentialEquals(v3_program_cost, v2_oracle_cost, …)` → host forward-fold vs the same emit
-// (`test_runner::lane_e_host_*` vs `lens_cost::cost_of`; ROADMAP T-LaneE / E-P receipt, api-review #764).
-fn cost_of(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v3_program_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v2_oracle_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-data user_authored_lens_compiles_gate: TestClaim = {
-  name: "user_authored_lens_compiles",
-  source: "// lenses.named_function_count - minimal user-authored lens (Day-1 gate demo).\n//\n// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY N/A.\n// See docs/v3-lens-capability-register.md.\n//\n// **Not** bundled into `Dag::new()` bootstrap: it compiles externally via\n// `compile_to_dag` (see `m1_5_user_authored_lens_gate_test`). Demo only:\n// counts `Bind` behaviors whose `name` is non-empty. Not in `regen.dag`.\n\nmodule lenses.named_function_count\n\nimport std.list { fold }\nimport std.substrate { Dag, Behavior }\n\nfn count_named_bind(behavior: Behavior) -> Int =\n  match behavior {\n    Value(v) => 0\n    Transform(t) => 0\n    Branch(b) => 0\n    Loop(l) => 0\n    Bind(bind) => if bind.name == \"\" then 0 else 1\n  }\n\nfn named_function_count(d: Dag) -> Int =\n  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))\n",
-  file_name: "src/v3/lenses/named_function_count.dag",
-  predicate: Compiles,
-  requires: []
-}
-
-// Fixture: return type says `String` but body is `Int` (`x`). The substrate surfaces
-// this as `ResolveError` ("parameter … does not satisfy its declared signature"), not
-// `TypeMismatch` — the gate matches the live diagnostic kind.
-data manual_negative_claim_gate: TestClaim = {
-  name: "testgen_manual_claim_is_first_class",
-  source: "fn broken(x: Int) -> String = x",
-  file_name: "manual_claim_fixture.v3",
-  predicate: FailsWithDiagnostic({
-    kind: ResolveError,
-    detail_contains: AnyDetail
-  }),
-  requires: []
-}
-
-data manual_claim_suite: TestSuite = {
-  name: "manual_claim_suite",
-  claims: [Enumerated(manual_negative_claim_gate)]
-}
-
-data lens_composition_associative_gate: TestClaim = {
-  name: "lens_composition_associative",
-  source: "// lenses.lens_composition_associative_witness - minimal `[ext]` gate witness for\n// `lens_composition_associative` (T-LensAPI / AlgebraicLaw::Associativity).\n//\n// The runner checks associativity on every triple in `lens_declaration_apply::ASSOCIATIVITY_WITNESS_TRIPLES`\n// via `int_associativity_holds_all_triples` (not a single sample), not a structural\n// operator-shape recognizer.\n//\n// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY N/A beyond the witness shape.\n// Not bundled into `Dag::new()` bootstrap; see `m1_5_user_authored_lens_gate_test`\n// lockstep pattern for `r1_gates.dag`.\n\nmodule lenses.lens_composition_associative_witness\n\nfn lens_composition_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "src/v3/lenses/lens_composition_associative_witness.dag",
-  predicate: AlgebraicLaw(Associativity, lens_composition_op),
-  requires: []
-}
-
-data lens_composition_associative_suite: TestSuite = {
-  name: "lens_composition_associative_suite",
-  claims: [Enumerated(lens_composition_associative_gate)]
-}
-
-// R1 T-TestGen gate: the runner evaluates a structural fact about a compiled
-// fixture DAG, not just "source compiles." This binds a named value through a
-// small function call, then asserts the bind's value port resolved.
-data testgen_structural_coverage_gate: TestClaim = {
-  name: "testgen_structural_coverage",
-  source: "fn double(x: Int) -> Int = x + x\nlet structural_result: Int = double(3)",
-  file_name: "structural_coverage_fixture.v3",
-  predicate: PortHasState("structural_result", Resolved),
-  requires: []
-}
-
-data testgen_structural_coverage_suite: TestSuite = {
-  name: "testgen_structural_coverage_suite",
-  claims: [Enumerated(testgen_structural_coverage_gate)]
-}
-
-// `LensOutputEquals` R1 gate: `input_ref` is `ProgramInput {}` — runner reflects the claim
-// program `Dag` from `TestClaim.source` (no name-based program-input bridge).
-data merge_sort_out: Int = 0
-
-data lane_e_diff_out: Int = 0
-
-data r1_lens_output_program_input: ProgramInput = {}
-
-data r1_merge_sort_program_input: ProgramOutputBind = {
-  output_ref: merge_sort_out
-}
-
-data r1_lane_e_program_input: ProgramOutputBind = {
-  output_ref: lane_e_diff_out
-}
-
-data lens_output_equals_expected: Int = 1
-
-data lens_output_equals_gate: TestClaim = {
-  name: "lens_output_equals_gate",
-  source: "let x: Int = 1\n",
-  file_name: "r1_lens_output_program.v3",
-  predicate: LensOutputEquals(
-    named_function_count,
-    r1_lens_output_program_input,
-    lens_output_equals_expected
-  ),
-  requires: []
-}
-
-data r1_lens_output_equals_suite: TestSuite = {
-  name: "r1_lens_output_equals_suite",
-  claims: [Enumerated(lens_output_equals_gate)]
-}
-
-// T-LaneE — merge-sort pair witness (structural `cost_of` on `merge_sort_out` vs expected `Int`).
-// M1(2.8): `Lookup<Int>` literals are not yet expressible in `data` bodies — compare `Hit(n)` to
-// this scalar witness. `TestClaim.source` is spliced from `tests/fixtures/r1_merge_sort_pair.v3`
-// at `cargo build` (see `emit_r1_gates_fixture` in `v3-compiler/build.rs`).
-data complexity_merge_sort_expected_cost: Int = 3
-
-data complexity_merge_sort_is_nlogn_gate: TestClaim = {
-  name: "complexity_merge_sort_is_nlogn",
-  source: "import std.list { List, cons, singleton, empty }\n\nlet xs: List<Int> = cons(2, singleton(1))\n\nfn merge_sort_pair(xs: List<Int>) -> List<Int> =\n  match xs {\n    Empty => empty()\n    Cons(p0) =>\n      match p0.tail {\n        Empty => xs\n        Cons(p1) =>\n          match p1.tail {\n            Empty =>\n              if p0.head < p1.head\n              then cons(p0.head, singleton(p1.head))\n              else cons(p1.head, singleton(p0.head))\n            Cons(_) => xs\n          }\n      }\n  }\n\nlet merge_sort_out: List<Int> = merge_sort_pair(xs)\n",
-  file_name: "r1_merge_sort_pair.v3",
-  predicate: LensOutputEquals(
-    cost_of,
-    r1_merge_sort_program_input,
-    complexity_merge_sort_expected_cost
-  ),
-  requires: []
-}
-
-// Cross-lineage parity on the merge-sort program: host forward-fold vs emit `lens_cost::cost_of`
-// on `merge_sort_out` (same bind as `complexity_merge_sort_is_nlogn` — independent producers).
-data complexity_merge_sort_v3_matches_v2_oracle_gate: TestClaim = {
-  name: "complexity_merge_sort_v3_matches_v2_oracle",
-  source: "import std.list { List, cons, singleton, empty }\n\nlet xs: List<Int> = cons(2, singleton(1))\n\nfn merge_sort_pair(xs: List<Int>) -> List<Int> =\n  match xs {\n    Empty => empty()\n    Cons(p0) =>\n      match p0.tail {\n        Empty => xs\n        Cons(p1) =>\n          match p1.tail {\n            Empty =>\n              if p0.head < p1.head\n              then cons(p0.head, singleton(p1.head))\n              else cons(p1.head, singleton(p0.head))\n            Cons(_) => xs\n          }\n      }\n  }\n\nlet merge_sort_out: List<Int> = merge_sort_pair(xs)\n",
-  file_name: "r1_merge_sort_pair.v3",
-  predicate: DifferentialEquals(
-    v3_program_cost,
-    v2_oracle_cost,
-    r1_merge_sort_program_input
-  ),
-  requires: []
-}
-
-// Bundled differential witness (`lane_e_diff_out` in `r1_lane_e_differential_witness.v3`): `match` +
-// `fold` over a short list — host fold vs emit on branch/list/fold structure. **Not** the lane-wide
-// “v3 oracle vs v2 oracle” receipt; merge-sort / `merge_sort_out` parity is
-// `complexity_merge_sort_v3_matches_v2_oracle` (PR #764 api-review rename).
-data lane_e_bundled_witness_host_emit_parity_gate: TestClaim = {
-  name: "lane_e_bundled_witness_host_emit_parity",
-  source: "// T-LaneE differential witness for `lane_e_bundled_witness_host_emit_parity` (bundled `lane_e_diff_out` program).\n// Uses `match`, list construction, and `fold` so host forward-fold and emit `lens_cost::cost_of`\n// both walk branch / list / fold structure — not a single-addition shortcut (PR #764).\n\nimport std.list { List, cons, empty, fold }\n\nlet lane_e_diff_pick: Bool = true\n\nlet lane_e_diff_xs: List<Int> = cons(1, cons(2, empty()))\n\nlet lane_e_diff_out: Int =\n  match lane_e_diff_pick {\n    True => fold(lane_e_diff_xs, 0, |acc, x| acc + x)\n    False => 0\n  }\n",
-  file_name: "r1_lane_e_differential_witness.v3",
-  predicate: DifferentialEquals(
-    v3_program_cost,
-    v2_oracle_cost,
-    r1_lane_e_program_input
-  ),
-  requires: []
-}
-
-data r1_lane_e_suite: TestSuite = {
-  name: "r1_lane_e_suite",
-  claims: [
-    Enumerated(complexity_merge_sort_is_nlogn_gate),
-    Enumerated(complexity_merge_sort_v3_matches_v2_oracle_gate),
-    Enumerated(lane_e_bundled_witness_host_emit_parity_gate)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r1_gates.template.dag b/src/v3/compiler/tests/fixtures/r1_gates.template.dag
deleted file mode 100644
index b810b34aad8..00000000000
--- a/src/v3/compiler/tests/fixtures/r1_gates.template.dag
+++ /dev/null
@@ -1,310 +0,0 @@
-// std.r1_gates - Day-1 R1 gate declarations (integration-test fixture).
-//
-// **Authority:** Hand-edit `r1_gates.template.dag` only. Companion `r1_gates.dag` is
-// **generated** on every `cargo build` of `v3-compiler`: `build.rs` splices
-// `src/v3/lenses/named_function_count.dag` into `user_authored_lens_compiles_gate.source`
-// (single-line placeholder token, see `build.rs` `emit_r1_gates_fixture`) so the on-disk lens
-// is the single program-text authority (T-LensAPI D4 / ROADMAP scheduled cleanup item 3).
-//
-// **T-TestGen** (`testgen_manual_claim_is_first_class`, ROADMAP.md:51, [ext]): hand-authored
-// `manual_negative_claim_gate` + `manual_claim_suite` live in this same module so one
-// fixture file stays the R1 gate surface without growing `src/v3/std/*.dag` (bootstrap
-// enumerates that tree — see PR #679 / review round 1).
-//
-// Lives under `src/v3/compiler/tests/fixtures/` so it is **not** auto-staged
-// into `Dag::new()` bootstrap (`src/v3/std/*.dag` is build-script enumerated).
-// `sub_match_over_user_sum_links_and_runs` also extracts this claim source for
-// the rustc boundary receipt, so the named T-Sub gate has one program witness.
-//
-// merge-conflicts: union with `origin/main` — keep every `data` gate from main
-// (`sub_match_*`, `sub_type_alias_where_*`, `p0_*`, `manual_*`, `testgen_structural_coverage*`) plus this file's
-// `user_authored_lens_compiles_gate`; do not resolve conflicts by keeping only the lens gate.
-
-module std.r1_gates
-
-import std.list { fold }
-import std.substrate { Dag, Behavior, PortId }
-import std.types { Int }
-import std.verification {
-  AlgebraicLaw,
-  Compiles,
-  DeclarationHasRefinement,
-  DifferentialEquals,
-  LensOutputEquals,
-  OutputEquals,
-  ProgramInput,
-  ProgramOutputBind,
-  TestClaim,
-  TestSuite
-}
-import v3.std.lookup { Lookup, miss_int_lookup }
-
-data sub_match_over_user_sum: TestClaim = {
-  name: "sub_match_over_user_sum",
-  source: "type Choice = Number(Int) | Missing\n\nfn score(choice: Choice) -> Int =\n  match choice {\n    Number(value) => value\n    Missing => 0\n  }\n\nlet result: Bool = score(Number(7)) == 7 && score(Missing) == 0\n",
-  file_name: "r1_sub_match_over_user_sum.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data sub_match_over_user_sum_gate: TestSuite = {
-  name: "sub_match_over_user_sum_gate",
-  claims: [Enumerated(sub_match_over_user_sum)]
-}
-
-// R1C-C / T-Sub — type-alias RHS `where` parse + lower (PR #703; DB-11:
-// `test_db11_type_alias_where_survives_parse_and_lower`). Same surface as integration receipt.
-// Predicate: `DeclarationHasRefinement` — fail-closed on silent refinement drop (not `Compiles` alone).
-data sub_type_alias_where_lowers: TestClaim = {
-  name: "sub_type_alias_where_lowers",
-  source: "type PositiveInt = Int where PositiveInt > 0\n",
-  file_name: "r1_sub_type_alias_where_lowers.v3",
-  predicate: DeclarationHasRefinement("PositiveInt"),
-  requires: []
-}
-
-data sub_type_alias_where_lowers_gate: TestSuite = {
-  name: "sub_type_alias_where_lowers_gate",
-  claims: [Enumerated(sub_type_alias_where_lowers)]
-}
-
-// R1C-B / T-P0 — `p0_repeat_string_correct`: literal `repeat_string(...)` on `data` bodies
-// **constant-folds** at lower time (`lower::try_lower_repeat_string_string_data`). `OutputEquals`
-// compares the **lowered** `ValueBody::Scalar` witness — not an interpreter execution of the std
-// `repeat_string` arrow (ROADMAP: dissolution when in-runner evaluation supersedes this fold).
-// Interim `p0_repeat_string_v2_oracle_rust_bridge` retired.
-data p0_repeat_string_correct: TestClaim = {
-  name: "p0_repeat_string_correct",
-  source: "data repeat_string_returns_n_copies: String = repeat_string(s: \"x\", n: 3)\n",
-  file_name: "r1_p0_repeat_string_correct.v3",
-  predicate: OutputEquals("\"xxx\""),
-  requires: []
-}
-
-// Same fold path as `p0_repeat_string_correct`; covers the space-padding slice used by
-// `indent_text`-style composition in `dsl/std/render.dag` (live v2 oracle on `concat` retired).
-data p0_repeat_string_space_pad_correct: TestClaim = {
-  name: "p0_repeat_string_space_pad_correct",
-  source: "data repeat_string_two_spaces: String = repeat_string(s: \" \", n: 2)\n",
-  file_name: "r1_p0_repeat_string_space_pad.v3",
-  predicate: OutputEquals("\"  \""),
-  requires: []
-}
-
-data p0_repeat_string_correct_gate: TestSuite = {
-  name: "p0_repeat_string_correct_gate",
-  claims: [Enumerated(p0_repeat_string_correct), Enumerated(p0_repeat_string_space_pad_correct)]
-}
-
-// R1C-B / T-P0 — `p0_no_fabrication_sentinel` + `p0_rest_ops_aligned` (Worker B): DB-15
-// `ExecuteCommand` host receipts; paths under `tests/fixtures/host/` mirror v2 integration authority.
-// **Constraint:** paths use `git rev-parse --show-toplevel` — requires a **git** checkout (CI OK);
-// bare tarballs / non-git trees cannot resolve script paths (known; document-only).
-
-data p0_no_fabrication_sentinel: TestClaim = {
-  name: "p0_no_fabrication_sentinel",
-  source: "module p0_no_fabrication_sentinel_host\n",
-  file_name: "p0_no_fabrication_sentinel.v3",
-  predicate: ExecuteCommand("bash", ["-c", "exec bash \"$(git rev-parse --show-toplevel)/src/v3/compiler/tests/fixtures/host/r1_p0_no_fabrication_sentinel.sh\""], 0),
-  requires: []
-}
-
-data p0_rest_ops_aligned: TestClaim = {
-  name: "p0_rest_ops_aligned",
-  source: "module p0_rest_ops_aligned_host\n",
-  file_name: "p0_rest_ops_aligned.v3",
-  predicate: ExecuteCommand("bash", ["-c", "exec python3 \"$(git rev-parse --show-toplevel)/src/v3/compiler/tests/fixtures/host/r1_p0_rest_ops_aligned.py\""], 0),
-  requires: []
-}
-
-data p0_host_sentinel_and_rest_gate: TestSuite = {
-  name: "p0_host_sentinel_and_rest_gate",
-  claims: [Enumerated(p0_no_fabrication_sentinel), Enumerated(p0_rest_ops_aligned)]
-}
-
-// Naming stub for `DeclarationRef` resolution on `AlgebraicLaw(Associativity, lens_composition_op)`.
-// The runner resolves `lens_ref` by name from this fixture DAG, then looks up the same name in
-// the compiled `program_dag` (`TestClaim.source`). The stub body is unused at evaluation time —
-// only the **name** is asserted against `program_dag`; keep the **body** byte-identical to
-// `src/v3/lenses/lens_composition_associative_witness.dag` anyway so the parallel copy cannot
-// silently drift (merge hazard / reader confusion).
-// Dissolution trigger: once the runner resolves lens refs directly from `program_dag` without a
-// fixture-side stub, delete this declaration.
-fn lens_composition_op(a: Int, b: Int) -> Int = a + b
-
-// Fixture-local stubs (names + shapes for `DeclarationRef` in this merged DAG). Bodies mirror
-// `src/v3/lenses/named_function_count.dag`; keep in sync when editing the lens file.
-// `LensOutputEquals` does **not** execute these stubs: `test_runner` compiles
-// `R1_CANONICAL_NAMED_FUNCTION_COUNT_LENS` (same bytes as `build.rs` splices for Compiles).
-fn count_named_bind(behavior: Behavior) -> Int =
-  match behavior {
-    Value(v) => 0
-    Transform(t) => 0
-    Branch(b) => 0
-    Loop(l) => 0
-    Bind(bind) => if bind.name == "" then 0 else 1
-  }
-
-fn named_function_count(d: Dag) -> Int =
-  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))
-
-// T-LaneE stubs: `DeclarationRef` lowering only (bodies `miss_int_lookup()` — not consulted).
-// `LensOutputEquals(cost_of, …)` → runner `lens_cost::cost_of` (emit from `complexity.dag`).
-// `DifferentialEquals(v3_program_cost, v2_oracle_cost, …)` → host forward-fold vs the same emit
-// (`test_runner::lane_e_host_*` vs `lens_cost::cost_of`; ROADMAP T-LaneE / E-P receipt, api-review #764).
-fn cost_of(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v3_program_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v2_oracle_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-data user_authored_lens_compiles_gate: TestClaim = {
-  name: "user_authored_lens_compiles",
-  source: "R1_NAMED_FUNCTION_COUNT_LENS_SPLICE_V1",
-  file_name: "src/v3/lenses/named_function_count.dag",
-  predicate: Compiles,
-  requires: []
-}
-
-// Fixture: return type says `String` but body is `Int` (`x`). The substrate surfaces
-// this as `ResolveError` ("parameter … does not satisfy its declared signature"), not
-// `TypeMismatch` — the gate matches the live diagnostic kind.
-data manual_negative_claim_gate: TestClaim = {
-  name: "testgen_manual_claim_is_first_class",
-  source: "fn broken(x: Int) -> String = x",
-  file_name: "manual_claim_fixture.v3",
-  predicate: FailsWithDiagnostic({
-    kind: ResolveError,
-    detail_contains: AnyDetail
-  }),
-  requires: []
-}
-
-data manual_claim_suite: TestSuite = {
-  name: "manual_claim_suite",
-  claims: [Enumerated(manual_negative_claim_gate)]
-}
-
-data lens_composition_associative_gate: TestClaim = {
-  name: "lens_composition_associative",
-  source: "// lenses.lens_composition_associative_witness - minimal `[ext]` gate witness for\n// `lens_composition_associative` (T-LensAPI / AlgebraicLaw::Associativity).\n//\n// The runner checks associativity on every triple in `lens_declaration_apply::ASSOCIATIVITY_WITNESS_TRIPLES`\n// via `int_associativity_holds_all_triples` (not a single sample), not a structural\n// operator-shape recognizer.\n//\n// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY N/A beyond the witness shape.\n// Not bundled into `Dag::new()` bootstrap; see `m1_5_user_authored_lens_gate_test`\n// lockstep pattern for `r1_gates.dag`.\n\nmodule lenses.lens_composition_associative_witness\n\nfn lens_composition_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "src/v3/lenses/lens_composition_associative_witness.dag",
-  predicate: AlgebraicLaw(Associativity, lens_composition_op),
-  requires: []
-}
-
-data lens_composition_associative_suite: TestSuite = {
-  name: "lens_composition_associative_suite",
-  claims: [Enumerated(lens_composition_associative_gate)]
-}
-
-// R1 T-TestGen gate: the runner evaluates a structural fact about a compiled
-// fixture DAG, not just "source compiles." This binds a named value through a
-// small function call, then asserts the bind's value port resolved.
-data testgen_structural_coverage_gate: TestClaim = {
-  name: "testgen_structural_coverage",
-  source: "fn double(x: Int) -> Int = x + x\nlet structural_result: Int = double(3)",
-  file_name: "structural_coverage_fixture.v3",
-  predicate: PortHasState("structural_result", Resolved),
-  requires: []
-}
-
-data testgen_structural_coverage_suite: TestSuite = {
-  name: "testgen_structural_coverage_suite",
-  claims: [Enumerated(testgen_structural_coverage_gate)]
-}
-
-// `LensOutputEquals` R1 gate: `input_ref` is `ProgramInput {}` — runner reflects the claim
-// program `Dag` from `TestClaim.source` (no name-based program-input bridge).
-data merge_sort_out: Int = 0
-
-data lane_e_diff_out: Int = 0
-
-data r1_lens_output_program_input: ProgramInput = {}
-
-data r1_merge_sort_program_input: ProgramOutputBind = {
-  output_ref: merge_sort_out
-}
-
-data r1_lane_e_program_input: ProgramOutputBind = {
-  output_ref: lane_e_diff_out
-}
-
-data lens_output_equals_expected: Int = 1
-
-data lens_output_equals_gate: TestClaim = {
-  name: "lens_output_equals_gate",
-  source: "let x: Int = 1\n",
-  file_name: "r1_lens_output_program.v3",
-  predicate: LensOutputEquals(
-    named_function_count,
-    r1_lens_output_program_input,
-    lens_output_equals_expected
-  ),
-  requires: []
-}
-
-data r1_lens_output_equals_suite: TestSuite = {
-  name: "r1_lens_output_equals_suite",
-  claims: [Enumerated(lens_output_equals_gate)]
-}
-
-// T-LaneE — merge-sort pair witness (structural `cost_of` on `merge_sort_out` vs expected `Int`).
-// M1(2.8): `Lookup<Int>` literals are not yet expressible in `data` bodies — compare `Hit(n)` to
-// this scalar witness. `TestClaim.source` is spliced from `tests/fixtures/r1_merge_sort_pair.v3`
-// at `cargo build` (see `emit_r1_gates_fixture` in `v3-compiler/build.rs`).
-data complexity_merge_sort_expected_cost: Int = 3
-
-data complexity_merge_sort_is_nlogn_gate: TestClaim = {
-  name: "complexity_merge_sort_is_nlogn",
-  source: "R1_MERGE_SORT_PAIR_V3_SPLICE_V1",
-  file_name: "r1_merge_sort_pair.v3",
-  predicate: LensOutputEquals(
-    cost_of,
-    r1_merge_sort_program_input,
-    complexity_merge_sort_expected_cost
-  ),
-  requires: []
-}
-
-// Cross-lineage parity on the merge-sort program: host forward-fold vs emit `lens_cost::cost_of`
-// on `merge_sort_out` (same bind as `complexity_merge_sort_is_nlogn` — independent producers).
-data complexity_merge_sort_v3_matches_v2_oracle_gate: TestClaim = {
-  name: "complexity_merge_sort_v3_matches_v2_oracle",
-  source: "R1_MERGE_SORT_PAIR_V3_SPLICE_V1",
-  file_name: "r1_merge_sort_pair.v3",
-  predicate: DifferentialEquals(
-    v3_program_cost,
-    v2_oracle_cost,
-    r1_merge_sort_program_input
-  ),
-  requires: []
-}
-
-// Bundled differential witness (`lane_e_diff_out` in `r1_lane_e_differential_witness.v3`): `match` +
-// `fold` over a short list — host fold vs emit on branch/list/fold structure. **Not** the lane-wide
-// “v3 oracle vs v2 oracle” receipt; merge-sort / `merge_sort_out` parity is
-// `complexity_merge_sort_v3_matches_v2_oracle` (PR #764 api-review rename).
-data lane_e_bundled_witness_host_emit_parity_gate: TestClaim = {
-  name: "lane_e_bundled_witness_host_emit_parity",
-  source: "R1_LANE_E_DIFFERENTIAL_WITNESS_V3_SPLICE_V1",
-  file_name: "r1_lane_e_differential_witness.v3",
-  predicate: DifferentialEquals(
-    v3_program_cost,
-    v2_oracle_cost,
-    r1_lane_e_program_input
-  ),
-  requires: []
-}
-
-data r1_lane_e_suite: TestSuite = {
-  name: "r1_lane_e_suite",
-  claims: [
-    Enumerated(complexity_merge_sort_is_nlogn_gate),
-    Enumerated(complexity_merge_sort_v3_matches_v2_oracle_gate),
-    Enumerated(lane_e_bundled_witness_host_emit_parity_gate)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r1_lane_e_differential_witness.v3 b/src/v3/compiler/tests/fixtures/r1_lane_e_differential_witness.v3
deleted file mode 100644
index 1122ce5a32a..00000000000
--- a/src/v3/compiler/tests/fixtures/r1_lane_e_differential_witness.v3
+++ /dev/null
@@ -1,15 +0,0 @@
-// T-LaneE differential witness for `lane_e_bundled_witness_host_emit_parity` (bundled `lane_e_diff_out` program).
-// Uses `match`, list construction, and `fold` so host forward-fold and emit `lens_cost::cost_of`
-// both walk branch / list / fold structure — not a single-addition shortcut (PR #764).
-
-import std.list { List, cons, empty, fold }
-
-let lane_e_diff_pick: Bool = true
-
-let lane_e_diff_xs: List<Int> = cons(1, cons(2, empty()))
-
-let lane_e_diff_out: Int =
-  match lane_e_diff_pick {
-    True => fold(lane_e_diff_xs, 0, |acc, x| acc + x)
-    False => 0
-  }
diff --git a/src/v3/compiler/tests/fixtures/r1_merge_sort_pair.v3 b/src/v3/compiler/tests/fixtures/r1_merge_sort_pair.v3
deleted file mode 100644
index b5c29b7f979..00000000000
--- a/src/v3/compiler/tests/fixtures/r1_merge_sort_pair.v3
+++ /dev/null
@@ -1,22 +0,0 @@
-import std.list { List, cons, singleton, empty }
-
-let xs: List<Int> = cons(2, singleton(1))
-
-fn merge_sort_pair(xs: List<Int>) -> List<Int> =
-  match xs {
-    Empty => empty()
-    Cons(p0) =>
-      match p0.tail {
-        Empty => xs
-        Cons(p1) =>
-          match p1.tail {
-            Empty =>
-              if p0.head < p1.head
-              then cons(p0.head, singleton(p1.head))
-              else cons(p1.head, singleton(p0.head))
-            Cons(_) => xs
-          }
-      }
-  }
-
-let merge_sort_out: List<Int> = merge_sort_pair(xs)
diff --git a/src/v3/compiler/tests/fixtures/r1_mock_backed_invariant_gate.dag b/src/v3/compiler/tests/fixtures/r1_mock_backed_invariant_gate.dag
deleted file mode 100644
index e0305687132..00000000000
--- a/src/v3/compiler/tests/fixtures/r1_mock_backed_invariant_gate.dag
+++ /dev/null
@@ -1,28 +0,0 @@
-// R1 gate for `testgen_mock_backed_integration_safe` (ROADMAP). `MockBackedInvariant` names the
-// `TestPredicate` variant; `requires` carries explicit `ResourceReference` edges so the runner
-// can distinguish a mock-backed receipt from the hermetic subject+invariant fallback path.
-// Lives under tests/fixtures/ — not auto-staged into bootstrap.
-
-module std.r1_mock_backed_invariant_gate
-
-import std.verification { TestClaim, TestSuite }
-
-fn mock_service_status() -> Int = 200
-
-fn mock_invariant_holds(code: Int) -> Bool = code == 200
-
-data mock_backed_invariant_gate: TestClaim = {
-  name: "testgen_mock_backed_integration_safe",
-  source: "fn mock_service_status() -> Int = 200\n\nfn mock_invariant_holds(code: Int) -> Bool = code == 200\n\nlet _: Int = 0\n",
-  file_name: "mock_backed_harness.v3",
-  predicate: MockBackedInvariant(mock_service_status, mock_invariant_holds),
-  requires: [
-    { target: mock_service_status },
-    { target: mock_invariant_holds }
-  ]
-}
-
-data mock_backed_invariant_suite: TestSuite = {
-  name: "mock_backed_invariant_suite",
-  claims: [Enumerated(mock_backed_invariant_gate)]
-}
diff --git a/src/v3/compiler/tests/fixtures/r1_release_acceptance.dag b/src/v3/compiler/tests/fixtures/r1_release_acceptance.dag
deleted file mode 100644
index 9f998609345..00000000000
--- a/src/v3/compiler/tests/fixtures/r1_release_acceptance.dag
+++ /dev/null
@@ -1,119 +0,0 @@
-// std.r1_release_acceptance - R1 release-acceptance fixture.
-//
-// Director disposition for R1C-D closes R1 with one strict PB gate green
-// (`pb_self_compile_fixed_point`) and five PB census gates structurally
-// deferred to release-cycle authority. The deferral claims
-// use `ReleaseDeferredClaim` only because the Director explicitly approved this
-// release-acceptance fixture shape; do not copy it into arbitrary suites.
-
-module std.r1_release_acceptance
-
-import std.verification {
-  FixedPointConverges,
-  ReleaseDeferredClaim,
-  TestClaim,
-  TestSuite
-}
-
-type Sg0CensusAuthority {}
-data self_gen0_census_test_authority: Sg0CensusAuthority = {}
-
-type R1GateMarker {}
-data pb_hand_rust_at_shim_floor_gate_marker: R1GateMarker = {}
-data lens_producer_files_remaining_gate_marker: R1GateMarker = {}
-data pb_test_file_generated_from_dag_gate_marker: R1GateMarker = {}
-data pb_rust_tests_outside_residual_zero_gate_marker: R1GateMarker = {}
-data pb_compiler_std_ratchet_zero_gate_marker: R1GateMarker = {}
-
-type TargetLaneMarker {}
-data target_lens_producer_retirement: TargetLaneMarker = {}
-data target_pb_b_bulk_migration: TargetLaneMarker = {}
-data target_r2_substrate_lens_primitive: TargetLaneMarker = {}
-
-type ReleaseAuthorityDoc {}
-data r3_structure_authority: ReleaseAuthorityDoc = {}
-data pure_bootstrap_zero_authority: ReleaseAuthorityDoc = {}
-data r2_substrate_manager_authority: ReleaseAuthorityDoc = {}
-
-data pb_hand_rust_at_shim_floor_deferred: TestClaim = {
-  name: "pb_hand_rust_at_shim_floor",
-  source: "// R1 release acceptance deferral marker; no program evaluation.\nlet _: Int = 0\n",
-  file_name: "r1_release_pb_hand_rust_at_shim_floor.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: pb_hand_rust_at_shim_floor_gate_marker,
-    target_lane: target_lens_producer_retirement,
-    authority_doc: r3_structure_authority
-  },
-  requires: []
-}
-
-data lens_producer_files_remaining_deferred: TestClaim = {
-  name: "lens_producer_files_remaining",
-  source: "// R1 release acceptance deferral marker; no program evaluation.\nlet _: Int = 0\n",
-  file_name: "r1_release_lens_producer_files_remaining.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: lens_producer_files_remaining_gate_marker,
-    target_lane: target_lens_producer_retirement,
-    authority_doc: r3_structure_authority
-  },
-  requires: []
-}
-
-data pb_self_compile_fixed_point_strict: TestClaim = {
-  name: "pb_self_compile_fixed_point",
-  source: "// PB census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r1_release_pb_self_compile_fixed_point.v3",
-  predicate: FixedPointConverges {
-    compile_target: "default_fixed_point_source",
-    expected: "pipeline_stage_snapshots"
-  },
-  requires: []
-}
-
-data pb_compiler_std_ratchet_zero_deferred: TestClaim = {
-  name: "pb_compiler_std_ratchet_zero",
-  source: "// R1 release acceptance deferral marker; no program evaluation.\nlet _: Int = 0\n",
-  file_name: "r1_release_pb_compiler_std_ratchet_zero.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: pb_compiler_std_ratchet_zero_gate_marker,
-    target_lane: target_r2_substrate_lens_primitive,
-    authority_doc: r2_substrate_manager_authority
-  },
-  requires: []
-}
-
-data pb_test_file_generated_from_dag_deferred: TestClaim = {
-  name: "pb_test_file_generated_from_dag",
-  source: "// R1 release acceptance deferral marker; no program evaluation.\nlet _: Int = 0\n",
-  file_name: "r1_release_pb_test_file_generated_from_dag.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: pb_test_file_generated_from_dag_gate_marker,
-    target_lane: target_pb_b_bulk_migration,
-    authority_doc: pure_bootstrap_zero_authority
-  },
-  requires: []
-}
-
-data pb_rust_tests_outside_residual_zero_deferred: TestClaim = {
-  name: "pb_rust_tests_outside_residual_zero",
-  source: "// R1 release acceptance deferral marker; no program evaluation.\nlet _: Int = 0\n",
-  file_name: "r1_release_pb_rust_tests_outside_residual_zero.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: pb_rust_tests_outside_residual_zero_gate_marker,
-    target_lane: target_pb_b_bulk_migration,
-    authority_doc: pure_bootstrap_zero_authority
-  },
-  requires: []
-}
-
-data r1_release_acceptance_suite: TestSuite = {
-  name: "r1_release_acceptance_suite",
-  claims: [
-    Enumerated(pb_hand_rust_at_shim_floor_deferred),
-    Enumerated(lens_producer_files_remaining_deferred),
-    Enumerated(pb_self_compile_fixed_point_strict),
-    Enumerated(pb_compiler_std_ratchet_zero_deferred),
-    Enumerated(pb_test_file_generated_from_dag_deferred),
-    Enumerated(pb_rust_tests_outside_residual_zero_deferred)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r2_evaluator_cross_target_equivalence_harness_primitives.dag b/src/v3/compiler/tests/fixtures/r2_evaluator_cross_target_equivalence_harness_primitives.dag
deleted file mode 100644
index 73385475efb..00000000000
--- a/src/v3/compiler/tests/fixtures/r2_evaluator_cross_target_equivalence_harness_primitives.dag
+++ /dev/null
@@ -1,66 +0,0 @@
-// std.r2_evaluator_cross_target_equivalence_harness_primitives — PR-D (Evaluator Manager).
-//
-// Structural acceptance hook: `evaluator_cross_target_equivalence_harness_primitives_landed`
-// per docs/briefs/r2-evaluator-manager.md (Cross-target equivalence harness primitives).
-// Slice 0: `Compiles` only. Slice 1: second `TestClaim` with `DifferentialEquals` (Lane-E wiring;
-// fixture-local `v3_program_cost` / `v2_oracle_cost` stubs). See
-// docs/briefs/r2-pr-d-cross-target-equivalence-harness-primitives.md.
-
-module std.r2_evaluator_cross_target_equivalence_harness_primitives
-
-import std.list { List, cons, empty, fold }
-import std.substrate { Dag, PortId }
-import std.types { Int }
-import std.verification {
-  Compiles,
-  DifferentialEquals,
-  ProgramOutputBind,
-  TestClaim,
-  TestSuite
-}
-import v3.std.lookup { Lookup, miss_int_lookup }
-
-// T-LaneE stubs: `DeclarationRef` lowering only (bodies `miss_int_lookup()` — not consulted).
-// Same pairing as `r1_gates.dag` differential witness; names are fixture-local.
-fn v3_program_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v2_oracle_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-data evaluator_cross_target_equivalence_harness_primitives_landed: TestClaim = {
-  name: "evaluator_cross_target_equivalence_harness_primitives_landed",
-  source: "fn trivial_identity(x: Int) -> Int = x\nlet _: Int = trivial_identity(0)\n",
-  file_name: "r2_pr_d_harness_primitive_stub.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-// `output_ref` names the bind the runner resolves in `TestClaim.source` (cross-Dag bridge).
-data pr_d_diff_out: Int = 0
-
-data pr_d_lane_e_program_input: ProgramOutputBind = {
-  output_ref: pr_d_diff_out
-}
-
-// Lane-E differential scaffold: host forward-fold vs emit `lens_cost` parity wiring
-// (merge-sort-style branch / list / fold surface; names distinct from `r1_gates.dag`).
-data evaluator_cross_target_equivalence_harness_primitives_differential_scaffold: TestClaim = {
-  name: "evaluator_cross_target_equivalence_harness_primitives_differential_scaffold",
-  source: "// PR-D slice 1 — DifferentialEquals scaffold (T-LaneE host vs emit parity wiring).\n// Fixture-local `pr_d_diff_out` program; mirrors `lane_e_bundled_witness_host_emit_parity` shape.\n\nimport std.list { List, cons, empty, fold }\n\nlet pr_d_diff_pick: Bool = true\n\nlet pr_d_diff_xs: List<Int> = cons(1, cons(2, empty()))\n\nlet pr_d_diff_out: Int =\n  match pr_d_diff_pick {\n    True => fold(pr_d_diff_xs, 0, |acc, x| acc + x)\n    False => 0\n  }\n",
-  file_name: "r2_pr_d_harness_differential_lane_e.v3",
-  predicate: DifferentialEquals(
-    v3_program_cost,
-    v2_oracle_cost,
-    pr_d_lane_e_program_input
-  ),
-  requires: []
-}
-
-data r2_evaluator_cross_target_equivalence_harness_primitives_suite: TestSuite = {
-  name: "r2_evaluator_cross_target_equivalence_harness_primitives_suite",
-  claims: [
-    Enumerated(evaluator_cross_target_equivalence_harness_primitives_landed),
-    Enumerated(evaluator_cross_target_equivalence_harness_primitives_differential_scaffold)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r2_evaluator_runtime_value_model.dag b/src/v3/compiler/tests/fixtures/r2_evaluator_runtime_value_model.dag
deleted file mode 100644
index 1426ffa7080..00000000000
--- a/src/v3/compiler/tests/fixtures/r2_evaluator_runtime_value_model.dag
+++ /dev/null
@@ -1,24 +0,0 @@
-// std.r2_evaluator_runtime_value_model — PR-A (Evaluator Manager).
-//
-// Structural acceptance hook: `evaluator_runtime_value_model_landed`
-// per docs/briefs/r2-evaluator-manager.md Acceptance and
-// docs/briefs/r2-pr-a-runtime-value-model.md. PR-A.1 now validates the
-// observable Value / NamedField carrier shape in Rust integration tests;
-// later slices strengthen the remaining EvalFrame / EvalStateStack carriers.
-
-module std.r2_evaluator_runtime_value_model
-
-import std.verification { Compiles, TestClaim, TestSuite }
-
-data evaluator_runtime_value_model_landed: TestClaim = {
-  name: "evaluator_runtime_value_model_landed",
-  source: "// Runtime-value model PR-A.1 marker; Value / NamedField shape is validated by m2_substrate_inhabitance_test.rs.\nlet _: Int = 0\n",
-  file_name: "r2_evaluator_runtime_value_model_marker.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data r2_evaluator_runtime_value_model_suite: TestSuite = {
-  name: "r2_evaluator_runtime_value_model_suite",
-  claims: [Enumerated(evaluator_runtime_value_model_landed)]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_bridge_retirement_ledger_zero.dag b/src/v3/compiler/tests/fixtures/r3_bridge_retirement_ledger_zero.dag
deleted file mode 100644
index d31786f62ef..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_bridge_retirement_ledger_zero.dag
+++ /dev/null
@@ -1,25 +0,0 @@
-// std.r3_bridge_retirement_ledger_zero - R3 bridge ledger-zero gate.
-//
-// Production consumer for the substrate-owned BridgeLedger carrier and
-// BridgeLedgerZero predicate. The claim subject is the canonical structural
-// ledger declaration, not an executable program. The integration harness
-// records the current open-row baseline and keeps a decreasing-open-count
-// ratchet against this claim while the binary zero gate stays the terminus.
-
-module std.r3_bridge_retirement_ledger_zero
-
-import std.verification { BridgeLedgerZero, TestClaim, TestSuite }
-import v3.std.bridge_ledger { bridge_ledger }
-
-data bridge_retirement_ledger_zero: TestClaim = {
-  name: "bridge_retirement_ledger_zero",
-  source: "",
-  file_name: "src/v3/std/bridge_ledger.dag",
-  predicate: BridgeLedgerZero { ledger: { decl: bridge_ledger } },
-  requires: []
-}
-
-data r3_bridge_retirement_ledger_zero_suite: TestSuite = {
-  name: "r3_bridge_retirement_ledger_zero_suite",
-  claims: [Enumerated(bridge_retirement_ledger_zero)]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data.dag b/src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data.dag
deleted file mode 100644
index 7e84e75bdb9..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data.dag
+++ /dev/null
@@ -1,21 +0,0 @@
-// R3 Class 2 gap representative: function-valued data is first-class.
-
-import std.list { List, Empty, Cons }
-import v3.std.dimensions { DimensionReport, Witness }
-
-data add_one: fn(Int) -> Int = |x| x + 1
-
-fn gate61_empty_int_witnesses() -> List<Witness<Int>> = Empty
-
-fn gate61_int_witnesses(c: Int) -> List<Witness<Int>> =
-  Cons { head: Inhabits(c), tail: gate61_empty_int_witnesses() }
-
-data report_int: fn(Int) -> DimensionReport<Int> =
-  |x| DimensionOk {
-    dimension_name: "function-valued-data",
-    composed: x,
-    witnesses: gate61_int_witnesses(x)
-  }
-
-fn test_function_valued_data() -> Int = add_one(41)
-fn test_function_valued_dimension_report() -> DimensionReport<Int> = report_int(42)
diff --git a/src/v3/compiler/tests/fixtures/r3_free_consequences_auto_loop_parallelism_dependence.v3 b/src/v3/compiler/tests/fixtures/r3_free_consequences_auto_loop_parallelism_dependence.v3
deleted file mode 100644
index c82525dafb3..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_free_consequences_auto_loop_parallelism_dependence.v3
+++ /dev/null
@@ -1,7 +0,0 @@
-// gunbc::r3_free_consequences::lane2_loop_witness: upsert_dependent
-// free-consequences fixture: structural `fold` (acc + x) lowers a real loop; lens `Pass` still follows
-// directive attestation + pending lens (ROADMAP second-batch auto-loop scaffold) - not compiler-derived upsert classification.
-import std.list { List, cons, empty, fold }
-
-let auto_loop_dependence_xs: List<Int> = cons(1, cons(2, cons(3, empty())))
-let _: Int = fold(auto_loop_dependence_xs, 0, |acc, x| acc + x)
diff --git a/src/v3/compiler/tests/fixtures/r3_free_consequences_first_batch.dag b/src/v3/compiler/tests/fixtures/r3_free_consequences_first_batch.dag
deleted file mode 100644
index a6adc3ac6e2..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_free_consequences_first_batch.dag
+++ /dev/null
@@ -1,137 +0,0 @@
-// std.r3_free_consequences_first_batch — T-Free-Consequences first-batch
-// author-now/fire-later consumers.
-//
-// Five gates from `r3-v-free-consequences-worker.md`:
-// - auto-parallelism x3
-// - auto-memoization x2
-//
-// The auto-parallelism gates use ordinary lens data, not `DimensionReport<C>`:
-// DB-3 explicitly keeps parallelism outside the Dimension abstraction, and
-// DB-20 models workflow parallelism through `WorkflowParallelismReport`.
-// The auto-memoization gates still lock the `BinaryDimensionReportEquals`
-// shape for the cost-related `DimensionReport<C>` half of `Lens<Purity>·Lens<Cost>`.
-// Gate #49 remains author-now/fire-later until the generic dimension-report
-// producer/evaluator path can compare the declared observed/expected reports.
-
-module std.r3_free_consequences_first_batch
-
-import std.dimensions { DimensionReport }
-import std.substrate { Dag }
-import std.verification {
-  BinaryDimensionReportEquals,
-  LensOutputEquals,
-  ProgramInput,
-  TestClaim,
-  TestSuite
-}
-
-type AutoMemoizationEvidence {}
-
-data auto_parallelism_program_input: ProgramInput = {}
-
-// Ordinary-lens placeholder until `src/v3/lenses/parallelism.dag` is ported from
-// its fail-closed stub to a `.dag` producer over DB-20 workflow parallelism data.
-// Keep this scalar and intentionally mismatched: current `LensOutputEquals`
-// evaluation can execute scalar demo lenses, while DB-20's full
-// `WorkflowParallelismReport` producer is still a follow-on ordinary-lens
-// surface. The mismatch keeps the gate fail-closed; replace the placeholder
-// lens and expected value together when `parallelism.dag` exposes the real
-// structural producer.
-fn auto_parallelism_pending_lens(_d: Dag) -> Int = 0
-
-data auto_parallelism_pending_expected: Int = 1
-
-// R3 #43 witness: runner matches emitted Rust for `std::thread::scope` (see test_runner).
-fn r3_auto_parallelism_parallel_emit_witness(_d: Dag) -> Int = 0
-
-data r3_auto_parallelism_parallel_emit_expected: Int = 1
-
-// R3 #45 witness: runner inspects emitted Rust for the claim source and asserts
-// (a) the Bool branch lowered to an `if … else` and (b) no `thread::scope`
-// scheduling wraps the arms — branch arms are exclusive alternatives, not
-// parallel work. See test_runner dispatch on
-// `R3_BRANCH_ARMS_SERIALIZE_WITNESS_LENS_NAME`. Replace with a structural
-// `parallelism.dag` producer when it lands per docs/design-free-consequences.md.
-fn r3_auto_parallelism_branch_arms_serialize_witness(_d: Dag) -> Int = 0
-
-data r3_auto_parallelism_branch_arms_serialize_expected: Int = 1
-
-// R3 #50 witness: one-shot pure call sites must not emit memo/cache scaffolding.
-fn r3_auto_memoization_one_shot_no_cache_witness(_d: Dag) -> Int = 0
-
-data r3_auto_memoization_one_shot_no_cache_expected: Int = 1
-
-type repeated_pure_call_observed_report = DimensionReport<AutoMemoizationEvidence>
-type repeated_pure_call_expected_report = DimensionReport<AutoMemoizationEvidence>
-type one_shot_call_observed_report = DimensionReport<AutoMemoizationEvidence>
-type one_shot_call_expected_report = DimensionReport<AutoMemoizationEvidence>
-
-data auto_parallelism_independent_binds_emit_parallel: TestClaim = {
-  name: "auto_parallelism_independent_binds_emit_parallel",
-  source: "// free-consequences fixture: pairwise-independent top-level binds emit a parallel Rust schedule.\nlet a: Int = 1 + 2\nlet b: Int = 3 + 4\n",
-  file_name: "r3_free_consequences_auto_parallelism_independent_binds.v3",
-  predicate: LensOutputEquals(
-    r3_auto_parallelism_parallel_emit_witness,
-    auto_parallelism_program_input,
-    r3_auto_parallelism_parallel_emit_expected
-  ),
-  requires: []
-}
-
-data auto_parallelism_dependent_binds_pending_lens_fail_closed: TestClaim = {
-  name: "auto_parallelism_dependent_binds_pending_lens_fail_closed",
-  source: "// free-consequences fixture: dependent binds must remain sequential.\nlet a: Int = 1 + 2\nlet b: Int = a + 3\n",
-  file_name: "r3_free_consequences_auto_parallelism_dependent_binds.v3",
-  predicate: LensOutputEquals(
-    auto_parallelism_pending_lens,
-    auto_parallelism_program_input,
-    auto_parallelism_pending_expected
-  ),
-  requires: []
-}
-
-data auto_parallelism_branch_arms_serialize: TestClaim = {
-  name: "auto_parallelism_branch_arms_serialize",
-  source: "// free-consequences fixture: branch arms are exclusive alternatives, not parallel work.\nlet pick: Bool = true\nlet out: Int =\n  match pick {\n    True => 1 + 2\n    False => 3 + 4\n  }\n",
-  file_name: "r3_free_consequences_auto_parallelism_branch_arms.v3",
-  predicate: LensOutputEquals(
-    r3_auto_parallelism_branch_arms_serialize_witness,
-    auto_parallelism_program_input,
-    r3_auto_parallelism_branch_arms_serialize_expected
-  ),
-  requires: []
-}
-
-data auto_memoization_repeated_pure_call_cached: TestClaim = {
-  name: "auto_memoization_repeated_pure_call_cached",
-  source: "// free-consequences fixture: repeated pure calls may be cached when purity and cost witnesses land.\nlet _: Int = 0\n",
-  file_name: "r3_free_consequences_auto_memoization_repeated_pure_call.v3",
-  predicate: BinaryDimensionReportEquals(
-    repeated_pure_call_observed_report,
-    repeated_pure_call_expected_report
-  ),
-  requires: []
-}
-
-data auto_memoization_no_caching_for_one_shot: TestClaim = {
-  name: "auto_memoization_no_caching_for_one_shot",
-  source: "// free-consequences fixture: one-shot calls do not emit memoization scaffolding.\nfn bump(x: Int) -> Int = x + 1\nlet _: Int = bump(41)\n",
-  file_name: "r3_free_consequences_auto_memoization_one_shot.v3",
-  predicate: LensOutputEquals(
-    r3_auto_memoization_one_shot_no_cache_witness,
-    auto_parallelism_program_input,
-    r3_auto_memoization_one_shot_no_cache_expected
-  ),
-  requires: []
-}
-
-data r3_free_consequences_first_batch_suite: TestSuite = {
-  name: "r3_free_consequences_first_batch_suite",
-  claims: [
-    Enumerated(auto_parallelism_independent_binds_emit_parallel),
-    Enumerated(auto_parallelism_dependent_binds_pending_lens_fail_closed),
-    Enumerated(auto_parallelism_branch_arms_serialize),
-    Enumerated(auto_memoization_repeated_pure_call_cached),
-    Enumerated(auto_memoization_no_caching_for_one_shot)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_free_consequences_second_batch.dag b/src/v3/compiler/tests/fixtures/r3_free_consequences_second_batch.dag
deleted file mode 100644
index 9ab5b74508d..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_free_consequences_second_batch.dag
+++ /dev/null
@@ -1,115 +0,0 @@
-// std.r3_free_consequences_second_batch - T-Free-Consequences second-batch
-// author-now/fire-later consumers.
-//
-// Five gates from `r3-v-free-consequences-worker.md`:
-// - auto-loop-parallelism x3
-// - cross-target-optimization x2
-//
-// The auto-loop-parallelism gates follow the first-batch DB-3/DB-20 split:
-// parallelism is ordinary lens data, not `DimensionReport<C>`. The
-// cross-target-optimization gates are cost-related consumers and therefore
-// keep the `BinaryDimensionReportEquals` shape over paired `DimensionReport<C>`
-// aliases.
-
-module std.r3_free_consequences_second_batch
-
-import std.dimensions { DimensionReport }
-import std.substrate { Dag }
-import std.verification {
-  BinaryDimensionReportEquals,
-  LensOutputEquals,
-  ProgramInput,
-  SymbolicCostExprEquals,
-  TestClaim,
-  TestSuite
-}
-import std.algebra { SymbolicCost, ConstantCost }
-
-type CrossTargetOptimizationEvidence {}
-
-data auto_loop_parallelism_program_input: ProgramInput = {}
-
-// `Dag -> Int` lens for `LensOutputEquals`. With `program_under_test: Some(program)` (test runner),
-// `apply_lens_declaration` evaluates natively from `lane2_workflow` on the program root (installed via
-// authored `// gunbc::r3_free_consequences::lane2_loop_witness:` lines in claim `source`; see
-// `r3_fc_lane2_loop_witness.rs`). The `= 0` body applies when no program-under-test is supplied.
-fn auto_loop_parallelism_pending_lens(_d: Dag) -> Int = 0
-
-// Parallel schedule hint (`loop_iteration_parallel_emission_indicator` → 1).
-data auto_loop_parallelism_pending_expected: Int = 1
-
-// Sequential / fail-closed hint (indicator → 0) for unproven independence and provable dependence.
-data auto_loop_parallelism_sequential_expected: Int = 0
-
-type constant_fold_observed_report = DimensionReport<CrossTargetOptimizationEvidence>
-type constant_fold_expected_report = DimensionReport<CrossTargetOptimizationEvidence>
-type cost_structurally_derived_observed_report = DimensionReport<CrossTargetOptimizationEvidence>
-type cost_structurally_derived_expected_report = DimensionReport<CrossTargetOptimizationEvidence>
-
-data constant_fold_pre_emission_cost: SymbolicCost = ConstantCost(1)
-
-data auto_loop_parallelism_provable_independence_emits_parallel: TestClaim = {
-  name: "auto_loop_parallelism_provable_independence_emits_parallel",
-  source: "// gunbc::r3_free_consequences::lane2_loop_witness: read_only\n// free-consequences fixture: staged harness — read_only directive is author attestation for gate #46, not a composed iteration-independence proof on this trivial body.\nlet _: Int = 0\n",
-  file_name: "r3_free_consequences_auto_loop_parallelism_provable_independence.v3",
-  predicate: LensOutputEquals(
-    auto_loop_parallelism_pending_lens,
-    auto_loop_parallelism_program_input,
-    auto_loop_parallelism_pending_expected
-  ),
-  requires: []
-}
-
-data auto_loop_parallelism_unproven_falls_back_sequential: TestClaim = {
-  name: "auto_loop_parallelism_unproven_falls_back_sequential",
-  source: "// gunbc::r3_free_consequences::lane2_loop_witness: unproven\n// free-consequences fixture: staged harness — unproven directive is author attestation of sequential fallback for gate #47, not compiler-inferred unprovenness.\nlet _: Int = 0\n",
-  file_name: "r3_free_consequences_auto_loop_parallelism_unproven.v3",
-  predicate: LensOutputEquals(
-    auto_loop_parallelism_pending_lens,
-    auto_loop_parallelism_program_input,
-    auto_loop_parallelism_sequential_expected
-  ),
-  requires: []
-}
-
-data auto_loop_parallelism_dependence_emits_sequential: TestClaim = {
-  name: "auto_loop_parallelism_dependence_emits_sequential",
-  source: "// gunbc::r3_free_consequences::lane2_loop_witness: upsert_dependent\n// free-consequences fixture: structural `fold` (acc + x) lowers a real loop; lens `Pass` still follows\n// directive attestation + pending lens (ROADMAP second-batch auto-loop scaffold) - not compiler-derived upsert classification.\nimport std.list { List, cons, empty, fold }\n\nlet auto_loop_dependence_xs: List<Int> = cons(1, cons(2, cons(3, empty())))\nlet _: Int = fold(auto_loop_dependence_xs, 0, |acc, x| acc + x)\n",
-  file_name: "r3_free_consequences_auto_loop_parallelism_dependence.v3",
-  predicate: LensOutputEquals(
-    auto_loop_parallelism_pending_lens,
-    auto_loop_parallelism_program_input,
-    auto_loop_parallelism_sequential_expected
-  ),
-  requires: []
-}
-
-data cross_target_optimization_constant_fold_consistent: TestClaim = {
-  name: "cross_target_optimization_constant_fold_consistent",
-  source: "// free-consequences fixture: constant folding applies the same structural cost shrink across target language specs.\nlet folded: Int = 1 + 2\n",
-  file_name: "r3_free_consequences_cross_target_constant_fold_consistent.v3",
-  predicate: SymbolicCostExprEquals(constant_fold_pre_emission_cost),
-  requires: []
-}
-
-data cross_target_optimization_cost_structurally_derived: TestClaim = {
-  name: "cross_target_optimization_cost_structurally_derived",
-  source: "// free-consequences fixture: cross-target optimization cost is structurally derived from Lens<Cost> and LanguageSpec facts.\nlet _: Int = 0\n",
-  file_name: "r3_free_consequences_cross_target_cost_structurally_derived.v3",
-  predicate: BinaryDimensionReportEquals(
-    cost_structurally_derived_observed_report,
-    cost_structurally_derived_expected_report
-  ),
-  requires: []
-}
-
-data r3_free_consequences_second_batch_suite: TestSuite = {
-  name: "r3_free_consequences_second_batch_suite",
-  claims: [
-    Enumerated(auto_loop_parallelism_provable_independence_emits_parallel),
-    Enumerated(auto_loop_parallelism_unproven_falls_back_sequential),
-    Enumerated(auto_loop_parallelism_dependence_emits_sequential),
-    Enumerated(cross_target_optimization_constant_fold_consistent),
-    Enumerated(cross_target_optimization_cost_structurally_derived)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_l5_corpus/add_then_branch_seed.v3 b/src/v3/compiler/tests/fixtures/r3_l5_corpus/add_then_branch_seed.v3
deleted file mode 100644
index d168c101be9..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_l5_corpus/add_then_branch_seed.v3
+++ /dev/null
@@ -1,12 +0,0 @@
-// R3 L5 certification corpus - add-then-branch seed (gate #15 `l5_cross_target_consistency` authority).
-// `TestClaim.source` in `r3_verification_l5_corpus.dag` must match this file exactly (integration test).
-module user.r3_l5_add_then_branch_seed
-
-fn add(a: Int, b: Int) -> Int = a + b
-
-let seed_acc: Int = add(1, 2)
-let l5_out: Int =
-  match seed_acc == 3 {
-    True => seed_acc
-    False => 0
-  }
diff --git a/src/v3/compiler/tests/fixtures/r3_l5_corpus/branch_literal_false_seed.v3 b/src/v3/compiler/tests/fixtures/r3_l5_corpus/branch_literal_false_seed.v3
deleted file mode 100644
index 59691f6128f..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_l5_corpus/branch_literal_false_seed.v3
+++ /dev/null
@@ -1,9 +0,0 @@
-// R3 L4 - second W1 Rust/Int receipt inside the #1499 surface: false Bool branch, signed Int output, one named output bind.
-
-let l4_pick: Bool = false
-
-let l4_false_out: Int =
-  match l4_pick {
-    True => 0
-    False => -4
-  }
diff --git a/src/v3/compiler/tests/fixtures/r3_l5_corpus/branch_literal_true_seed.v3 b/src/v3/compiler/tests/fixtures/r3_l5_corpus/branch_literal_true_seed.v3
deleted file mode 100644
index 310fd96f1a3..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_l5_corpus/branch_literal_true_seed.v3
+++ /dev/null
@@ -1,9 +0,0 @@
-// R3 L4 - branch-only claim program on the current eager PR-B spine (no Callable / fold lambdas) so `dag_eval_output` can use `evaluate_body` while Callable remains fail-closed.
-
-let l4_pick: Bool = true
-
-let l4_out: Int =
-  match l4_pick {
-    True => 3
-    False => 0
-  }
diff --git a/src/v3/compiler/tests/fixtures/r3_l5_corpus/nested_branch_seed.v3 b/src/v3/compiler/tests/fixtures/r3_l5_corpus/nested_branch_seed.v3
deleted file mode 100644
index 8c747e46416..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_l5_corpus/nested_branch_seed.v3
+++ /dev/null
@@ -1,13 +0,0 @@
-// R3 L4 - third W1 Rust/Int receipt inside the current Int-only ceiling: nested Bool branch, one named Int output bind.
-
-let l4_outer_pick: Bool = true
-let l4_inner_pick: Bool = false
-
-let l4_nested_out: Int =
-  match l4_outer_pick {
-    True => match l4_inner_pick {
-      True => 5
-      False => 7
-    }
-    False => 0
-  }
diff --git a/src/v3/compiler/tests/fixtures/r3_path_b_brief3_char_in_class_exec.dag b/src/v3/compiler/tests/fixtures/r3_path_b_brief3_char_in_class_exec.dag
deleted file mode 100644
index ea501303e73..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_path_b_brief3_char_in_class_exec.dag
+++ /dev/null
@@ -1,23 +0,0 @@
-// PATH X / Brief 3: `std.unicode.char_in_class` lowers and executes end-to-end.
-//
-// Positional unicode-scalar literals narrow to nominal `Char` at the call via
-// the same gate-20 registry static discharge as `data`/lowering (`unicode_scalar`/brand).
-
-module test.r3_path_b_brief3_char_in_class_exec
-
-import std.types { Char }
-import std.unicode { CharClass, char_in_class }
-
-// Unary wrappers for evaluator parity vs `tokenize_generated::byte_matches` (ROADMAP parity row).
-fn brief3_membership_whitespace(c: Char) -> Bool = char_in_class(c, Whitespace)
-fn brief3_membership_digit(c: Char) -> Bool = char_in_class(c, Digit)
-fn brief3_membership_ident_start(c: Char) -> Bool = char_in_class(c, IdentStart)
-fn brief3_membership_ident_continue(c: Char) -> Bool = char_in_class(c, IdentContinue)
-
-fn receipt_letter_is_ident_start() -> Bool = char_in_class(97, IdentStart)
-
-fn receipt_digit_not_ident_start() -> Bool = char_in_class(53, IdentStart)
-
-fn receipt_space_not_ident_start() -> Bool = char_in_class(32, IdentStart)
-
-fn receipt_digit_is_digit() -> Bool = char_in_class(53, Digit)
diff --git a/src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_int_arithmetic.v3 b/src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_int_arithmetic.v3
deleted file mode 100644
index f71be76de4d..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_int_arithmetic.v3
+++ /dev/null
@@ -1,6 +0,0 @@
-// Program authority for `pb_eval_corpus_seed_int_arithmetic_deferred`.
-module user.pb_eval_seed_int_arithmetic
-
-let pb_eval_seed_int_a: Int = 2 + 3
-let pb_eval_seed_int_b: Int = pb_eval_seed_int_a * 4
-let pb_eval_seed_int_out: Int = pb_eval_seed_int_b - 5
diff --git a/src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_list_fold.v3 b/src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_list_fold.v3
deleted file mode 100644
index 9d29176ae8f..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_list_fold.v3
+++ /dev/null
@@ -1,8 +0,0 @@
-// Program authority for `pb_eval_corpus_seed_list_fold_deferred`.
-module user.pb_eval_seed_list_fold
-
-import std.list { List, cons, empty, fold }
-
-let pb_eval_seed_list_values: List<Int> = cons(1, cons(2, cons(3, empty())))
-let pb_eval_seed_list_fold_out: Int =
-  fold(pb_eval_seed_list_values, 0, |acc, x| acc + x)
diff --git a/src/v3/compiler/tests/fixtures/r3_pb_runtime_evaluator_corpus_seeds.dag b/src/v3/compiler/tests/fixtures/r3_pb_runtime_evaluator_corpus_seeds.dag
deleted file mode 100644
index c6c8756be37..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_pb_runtime_evaluator_corpus_seeds.dag
+++ /dev/null
@@ -1,70 +0,0 @@
-// std.r3_pb_runtime_evaluator_corpus_seeds — PB-Runtime ↔ R2-Evaluator
-// Row-4 corpus seeds (1)–(2), author-now/fire-later.
-// See docs/briefs/r3-pb-runtime-equivalence-corpus-seed-audit.md.
-//
-// The producer declarations below are fixture-local DeclarationRef targets only.
-// `TestRunner::eval_differential_equals` intentionally returns NotYetImplemented
-// for the `(pb_runtime_evaluate, r2_evaluator_evaluate)` producer pair today, so
-// these claims compile the corpus seed programs without asserting Row 4 green.
-
-module std.r3_pb_runtime_evaluator_corpus_seeds
-
-import std.substrate { Dag, PortId }
-import std.types { Int }
-import std.verification {
-  DifferentialEquals,
-  ProgramOutputBind,
-  TestClaim,
-  TestSuite
-}
-import v3.std.lookup { Lookup, miss_int_lookup }
-
-fn pb_runtime_evaluate(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn r2_evaluator_evaluate(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-data pb_eval_seed_int_out: Int = 0
-
-data pb_eval_seed_int_output: ProgramOutputBind = {
-  output_ref: pb_eval_seed_int_out
-}
-
-data pb_eval_seed_list_fold_out: Int = 0
-
-data pb_eval_seed_list_fold_output: ProgramOutputBind = {
-  output_ref: pb_eval_seed_list_fold_out
-}
-
-data pb_eval_corpus_seed_int_arithmetic_deferred: TestClaim = {
-  name: "pb_eval_corpus_seed_int_arithmetic_deferred",
-  source: "// Program authority for `pb_eval_corpus_seed_int_arithmetic_deferred`.\nmodule user.pb_eval_seed_int_arithmetic\n\nlet pb_eval_seed_int_a: Int = 2 + 3\nlet pb_eval_seed_int_b: Int = pb_eval_seed_int_a * 4\nlet pb_eval_seed_int_out: Int = pb_eval_seed_int_b - 5\n",
-  file_name: "seed_int_arithmetic.v3",
-  predicate: DifferentialEquals(
-    pb_runtime_evaluate,
-    r2_evaluator_evaluate,
-    pb_eval_seed_int_output
-  ),
-  requires: []
-}
-
-data pb_eval_corpus_seed_list_fold_deferred: TestClaim = {
-  name: "pb_eval_corpus_seed_list_fold_deferred",
-  source: "// Program authority for `pb_eval_corpus_seed_list_fold_deferred`.\nmodule user.pb_eval_seed_list_fold\n\nimport std.list { List, cons, empty, fold }\n\nlet pb_eval_seed_list_values: List<Int> = cons(1, cons(2, cons(3, empty())))\nlet pb_eval_seed_list_fold_out: Int =\n  fold(pb_eval_seed_list_values, 0, |acc, x| acc + x)\n",
-  file_name: "seed_list_fold.v3",
-  predicate: DifferentialEquals(
-    pb_runtime_evaluate,
-    r2_evaluator_evaluate,
-    pb_eval_seed_list_fold_output
-  ),
-  requires: []
-}
-
-data r3_pb_runtime_evaluator_corpus_seed_suite: TestSuite = {
-  name: "r3_pb_runtime_evaluator_corpus_seed_suite",
-  claims: [
-    Enumerated(pb_eval_corpus_seed_int_arithmetic_deferred),
-    Enumerated(pb_eval_corpus_seed_list_fold_deferred)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_perf_within_baseline_smoke.dag b/src/v3/compiler/tests/fixtures/r3_perf_within_baseline_smoke.dag
deleted file mode 100644
index dea0186658e..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_perf_within_baseline_smoke.dag
+++ /dev/null
@@ -1,40 +0,0 @@
-// std.r3_perf_within_baseline_smoke — end-to-end `PerfWithinBaseline` using substrate
-// `PerfBaselineMeasurement { median_ns, p99_delta_ns }` + `PerfBudgetComparisonOp::AtMostBudget`.
-
-module std.r3_perf_within_baseline_smoke
-
-import std.list { empty }
-import v3.std.substrate { PerfBaselineMeasurement }
-import std.verification {
-  AtMostBudget,
-  PerfWithinBaseline,
-  TestClaim,
-  TestSuite
-}
-
-data perf_within_smoke_baseline: PerfBaselineMeasurement = {
-  median_ns: 100,
-  p99_delta_ns: 100
-}
-
-data perf_within_smoke_subject: PerfBaselineMeasurement = {
-  median_ns: 50,
-  p99_delta_ns: 50
-}
-
-data perf_within_smoke_claim: TestClaim = {
-  name: "perf_within_baseline_substrate_shape_smoke",
-  source: "let _: Int = 0\n",
-  file_name: "perf_within_smoke.v3",
-  predicate: PerfWithinBaseline(
-    perf_within_smoke_subject,
-    AtMostBudget,
-    perf_within_smoke_baseline
-  ),
-  requires: []
-}
-
-data perf_within_smoke_suite: TestSuite = {
-  name: "perf_within_smoke_suite",
-  claims: [Enumerated(perf_within_smoke_claim)]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_self_gen_non_test_zero.dag b/src/v3/compiler/tests/fixtures/r3_self_gen_non_test_zero.dag
deleted file mode 100644
index 9b16e91ca8a..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_self_gen_non_test_zero.dag
+++ /dev/null
@@ -1,52 +0,0 @@
-// R3 gate #8 - `self_gen_non_test_zero`.
-//
-// This fixture makes the combined T-PB-A non-test closure predicate executable:
-// both the non-test Rust census and the hand-authored scaffold-fragment census
-// must reach zero. The runner reads live Self-Generation-0 state from `self_gen0_census_test.rs`;
-// the source programs below are inert placeholders.
-
-module std.r3_self_gen_non_test_zero
-
-import std.verification {
-  CensusBoundCheck,
-  TestClaim,
-  TestSuite,
-  expected_hand_authored_fragments,
-  expected_hand_authored_non_test
-}
-
-type Sg0CensusAuthority {}
-
-data self_gen0_census_test_authority: Sg0CensusAuthority = {}
-
-data self_gen_non_test_zero_rust_gate: TestClaim = {
-  name: "self_gen_non_test_zero_rust",
-  source: "// Self-Generation-0 census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r3_self_gen_non_test_zero_rust.v3",
-  predicate: CensusBoundCheck {
-    authority: self_gen0_census_test_authority,
-    list_constant: expected_hand_authored_non_test,
-    bound: 0
-  },
-  requires: []
-}
-
-data self_gen_non_test_zero_fragments_gate: TestClaim = {
-  name: "self_gen_non_test_zero_fragments",
-  source: "// Self-Generation-0 census predicates read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r3_self_gen_non_test_zero_fragments.v3",
-  predicate: CensusBoundCheck {
-    authority: self_gen0_census_test_authority,
-    list_constant: expected_hand_authored_fragments,
-    bound: 0
-  },
-  requires: []
-}
-
-data r3_self_gen_non_test_zero_suite: TestSuite = {
-  name: "r3_self_gen_non_test_zero_suite",
-  claims: [
-    Enumerated(self_gen_non_test_zero_rust_gate),
-    Enumerated(self_gen_non_test_zero_fragments_gate)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_substrate_gap_reflection_closure.dag b/src/v3/compiler/tests/fixtures/r3_substrate_gap_reflection_closure.dag
deleted file mode 100644
index b8dda4d4176..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_substrate_gap_reflection_closure.dag
+++ /dev/null
@@ -1,38 +0,0 @@
-// std.r3_substrate_gap_reflection_closure - R3 gate #64 substrate-plumbing receipt.
-//
-// This is NOT the canonical `substrate_gap_reflection_closure_closed` gate
-// predicate. The class-level gate remains conjunctive per r3-structure.md:
-// representative reflection execution via PB-Runtime plus zero residual
-// class bridges. This fixture covers only the second half's current
-// lens-producer residual census.
-
-module std.r3_substrate_gap_reflection_closure
-
-import std.verification {
-  CensusSubsetCount,
-  TestClaim,
-  TestSuite,
-  expected_hand_authored_non_test,
-  lens_producer_files_subset_predicate
-}
-
-type Sg0CensusAuthority {}
-
-data self_gen0_census_test_authority: Sg0CensusAuthority = {}
-
-data substrate_gap_reflection_residual_census_receipt: TestClaim = {
-  name: "substrate_gap_reflection_residual_census_receipt",
-  source: "// Reflection residual-census receipts read external census state, not this source.\nlet _: Int = 0\n",
-  file_name: "r3_substrate_gap_reflection_residual_census_receipt.v3",
-  predicate: CensusSubsetCount {
-    authority: self_gen0_census_test_authority,
-    list_constant: expected_hand_authored_non_test,
-    subset_predicate: lens_producer_files_subset_predicate
-  },
-  requires: []
-}
-
-data r3_substrate_gap_reflection_closure_suite: TestSuite = {
-  name: "r3_substrate_gap_reflection_closure_suite",
-  claims: [Enumerated(substrate_gap_reflection_residual_census_receipt)]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_match.dag b/src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_match.dag
deleted file mode 100644
index 7604e0f206d..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_match.dag
+++ /dev/null
@@ -1,128 +0,0 @@
-// std.r3_verification_l4_emit_eval_match — R3 Lane 1: `DifferentialEquals(rust_emit_output,
-// dag_eval_output, ProgramOutputBind)` W1 slice (transitional name + Int stdout carve-out per
-// `docs/briefs/r3-pr-e8-w1-output-producer-contract-blocker.md` / #1485). Fixture stubs
-// `rust_emit_output` / `dag_eval_output` are not executed — the runner implements both sides.
-
-module std.r3_verification_l4_emit_eval_match
-
-import std.substrate { Dag, PortId }
-import std.types { Int }
-import std.verification {
-  DifferentialEquals,
-  ProgramOutputBind,
-  TestClaim,
-  TestSuite
-}
-import v3.std.lookup { Lookup, miss_int_lookup }
-
-fn rust_emit_output(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn dag_eval_output(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-data l4_out: Int = 0
-
-data r3_l4_emit_eval_program_input: ProgramOutputBind = {
-  output_ref: l4_out
-}
-
-data l4_false_out: Int = 0
-
-data r3_l4_emit_eval_false_program_input: ProgramOutputBind = {
-  output_ref: l4_false_out
-}
-
-data l4_nested_out: Int = 0
-
-data r3_l4_emit_eval_nested_program_input: ProgramOutputBind = {
-  output_ref: l4_nested_out
-}
-
-data l4_add_then_branch_out: Int = 0
-
-data r3_l4_emit_eval_add_then_branch_program_input: ProgramOutputBind = {
-  output_ref: l4_add_then_branch_out
-}
-
-data l4_arithmetic_chain_out: Int = 0
-
-data r3_l4_emit_eval_arithmetic_chain_program_input: ProgramOutputBind = {
-  output_ref: l4_arithmetic_chain_out
-}
-
-// §1.8 gate #9 `l4_emit_eval_match` — slice-1 certification seed (Rust / Int stdout); lane closure
-// still requires exhaustive corpus growth per `r3-structure.md` §Acceptance.
-data l4_emit_eval_match: TestClaim = {
-  name: "l4_emit_eval_match",
-  source: "// R3 L4 — branch-only claim program on the current eager PR-B spine (no Callable / fold lambdas) so `dag_eval_output` can use `evaluate_body` while Callable remains fail-closed.\n\nlet l4_pick: Bool = true\n\nlet l4_out: Int =\n  match l4_pick {\n    True => 3\n    False => 0\n  }\n",
-  file_name: "l4_emit_eval_match.v3",
-  predicate: DifferentialEquals(
-    rust_emit_output,
-    dag_eval_output,
-    r3_l4_emit_eval_program_input
-  ),
-  requires: []
-}
-
-data r3_verification_l4_emit_eval_false_branch: TestClaim = {
-  name: "r3_verification_l4_emit_eval_false_branch",
-  source: "// R3 L4 — second W1 Rust/Int receipt inside the #1499 surface: false Bool branch, signed Int output, one named output bind.\n\nlet l4_pick: Bool = false\n\nlet l4_false_out: Int =\n  match l4_pick {\n    True => 0\n    False => -4\n  }\n",
-  file_name: "r3_verification_l4_emit_eval_false_branch.v3",
-  predicate: DifferentialEquals(
-    rust_emit_output,
-    dag_eval_output,
-    r3_l4_emit_eval_false_program_input
-  ),
-  requires: []
-}
-
-data r3_verification_l4_emit_eval_nested_branch: TestClaim = {
-  name: "r3_verification_l4_emit_eval_nested_branch",
-  source: "// R3 L4 — third W1 Rust/Int receipt inside the current Int-only ceiling: nested Bool branch, one named Int output bind.\n\nlet l4_outer_pick: Bool = true\nlet l4_inner_pick: Bool = false\n\nlet l4_nested_out: Int =\n  match l4_outer_pick {\n    True => match l4_inner_pick {\n      True => 5\n      False => 7\n    }\n    False => 0\n  }\n",
-  file_name: "r3_verification_l4_emit_eval_nested_branch.v3",
-  predicate: DifferentialEquals(
-    rust_emit_output,
-    dag_eval_output,
-    r3_l4_emit_eval_nested_program_input
-  ),
-  requires: []
-}
-
-data r3_verification_l4_emit_eval_add_then_branch: TestClaim = {
-  name: "r3_verification_l4_emit_eval_add_then_branch",
-  source: "// R3 L4 — corpus seed from the Lane 1 brief: function call + Int arithmetic + branch lowering + one named output bind.\n\nfn l4_add(a: Int, b: Int) -> Int = a + b\n\nlet l4_acc: Int = l4_add(1, 2)\nlet l4_add_then_branch_out: Int =\n  match l4_acc == 3 {\n    True => l4_acc\n    False => 0\n  }\n",
-  file_name: "r3_verification_l4_emit_eval_add_then_branch.v3",
-  predicate: DifferentialEquals(
-    rust_emit_output,
-    dag_eval_output,
-    r3_l4_emit_eval_add_then_branch_program_input
-  ),
-  requires: []
-}
-
-data r3_verification_l4_emit_eval_arithmetic_chain: TestClaim = {
-  name: "r3_verification_l4_emit_eval_arithmetic_chain",
-  source: "// R3 L4 — arithmetic-chain W1 Rust/Int receipt: function call, repeated Int additions, equality branch, one named output bind.\n\nfn l4_double(a: Int) -> Int = a + a\n\nlet l4_base: Int = 4\nlet l4_total: Int = l4_double(l4_base) + 2\nlet l4_arithmetic_chain_out: Int =\n  match l4_total == 10 {\n    True => l4_total\n    False => 0\n  }\n",
-  file_name: "r3_verification_l4_emit_eval_arithmetic_chain.v3",
-  predicate: DifferentialEquals(
-    rust_emit_output,
-    dag_eval_output,
-    r3_l4_emit_eval_arithmetic_chain_program_input
-  ),
-  requires: []
-}
-
-// Declaration id is fixture-local and distinct from `r3_verification_l7_algebraic_laws.dag` so two
-// modules are never ambiguous under one loader. L7 claims join this suite name when lane 1 closes
-// under one loader module (parent brief); until then this suite lists L4 certification seeds only.
-data r3_verification_l4_l7_direct_suite: TestSuite = {
-  name: "r3_verification_l4_l7_direct_suite",
-  claims: [
-    Enumerated(l4_emit_eval_match),
-    Enumerated(r3_verification_l4_emit_eval_false_branch),
-    Enumerated(r3_verification_l4_emit_eval_nested_branch),
-    Enumerated(r3_verification_l4_emit_eval_add_then_branch),
-    Enumerated(r3_verification_l4_emit_eval_arithmetic_chain)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_mixed_lineage.dag b/src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_mixed_lineage.dag
deleted file mode 100644
index 6ed3d74b8f6..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_mixed_lineage.dag
+++ /dev/null
@@ -1,45 +0,0 @@
-// std.r3_verification_l4_emit_eval_mixed_lineage — negative control for W1 `DifferentialEquals`
-// dispatch: pairs `rust_emit_output` with a non-W1 oracle so `eval_differential_equals` returns
-// `NotYetImplemented` with an explicit unsupported-producer-pair receipt (producer-identity /
-// observation gates per #1485; coordinate with #1495 ratchet when it lands — do not weaken to Pass).
-
-module std.r3_verification_l4_emit_eval_mixed_lineage
-
-import std.substrate { Dag, PortId }
-import std.types { Int }
-import std.verification {
-  DifferentialEquals,
-  ProgramOutputBind,
-  TestClaim,
-  TestSuite
-}
-import v3.std.lookup { Lookup, miss_int_lookup }
-
-fn rust_emit_output(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-fn v3_program_cost(d: Dag, port_id: PortId) -> Lookup<Int> =
-  miss_int_lookup()
-
-data mixed_out: Int = 0
-
-data mixed_program_input: ProgramOutputBind = {
-  output_ref: mixed_out
-}
-
-data r3_verification_l4_emit_eval_mixed_lineage_claim: TestClaim = {
-  name: "r3_verification_l4_emit_eval_mixed_lineage_claim",
-  source: "let mixed_out: Int = 1\n",
-  file_name: "r3_verification_l4_emit_eval_mixed_lineage.v3",
-  predicate: DifferentialEquals(
-    rust_emit_output,
-    v3_program_cost,
-    mixed_program_input
-  ),
-  requires: []
-}
-
-data r3_verification_l4_emit_eval_mixed_lineage_suite: TestSuite = {
-  name: "r3_verification_l4_emit_eval_mixed_lineage_suite",
-  claims: [Enumerated(r3_verification_l4_emit_eval_mixed_lineage_claim)]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_verification_l5_corpus.dag b/src/v3/compiler/tests/fixtures/r3_verification_l5_corpus.dag
deleted file mode 100644
index 727ba3d5b53..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_verification_l5_corpus.dag
+++ /dev/null
@@ -1,89 +0,0 @@
-// std.r3_verification_l5_corpus — R3 L5 certification corpus: `ForAllTargets` over
-// Rust / Python / Go Int stdout parity (`docs/r3-program-plan.md` §1.8 gate #15).
-
-module std.r3_verification_l5_corpus
-
-import std.verification { ForAllTargets, ProgramOutputBind, TestClaim, TestSuite }
-
-type L5RustcToolchain {}
-type L5Python3Toolchain {}
-type L5GoToolchain {}
-
-type l5_out {}
-type l4_out {}
-type l4_false_out {}
-type l4_nested_out {}
-
-data r3_l5_gate_program_output: ProgramOutputBind = {
-  output_ref: l5_out
-}
-
-data r3_l5_branch_true_program_output: ProgramOutputBind = {
-  output_ref: l4_out
-}
-
-data r3_l5_branch_false_program_output: ProgramOutputBind = {
-  output_ref: l4_false_out
-}
-
-data r3_l5_nested_program_output: ProgramOutputBind = {
-  output_ref: l4_nested_out
-}
-
-data l5_cross_target_consistency_add_then: TestClaim = {
-  name: "l5_cross_target_consistency",
-  source: "// R3 L5 certification corpus - add-then-branch seed (gate #15 `l5_cross_target_consistency` authority).\n// `TestClaim.source` in `r3_verification_l5_corpus.dag` must match this file exactly (integration test).\nmodule user.r3_l5_add_then_branch_seed\n\nfn add(a: Int, b: Int) -> Int = a + b\n\nlet seed_acc: Int = add(1, 2)\nlet l5_out: Int =\n  match seed_acc == 3 {\n    True => seed_acc\n    False => 0\n  }\n",
-  file_name: "add_then_branch_seed.v3",
-  predicate: ForAllTargets("true", [], 0, r3_l5_gate_program_output),
-  requires: [
-    { target: L5RustcToolchain },
-    { target: L5Python3Toolchain },
-    { target: L5GoToolchain }
-  ]
-}
-
-data r3_l5_cert_branch_literal_true: TestClaim = {
-  name: "r3_l5_cert_branch_literal_true",
-  source: "// R3 L4 - branch-only claim program on the current eager PR-B spine (no Callable / fold lambdas) so `dag_eval_output` can use `evaluate_body` while Callable remains fail-closed.\n\nlet l4_pick: Bool = true\n\nlet l4_out: Int =\n  match l4_pick {\n    True => 3\n    False => 0\n  }\n",
-  file_name: "branch_literal_true_seed.v3",
-  predicate: ForAllTargets("true", [], 0, r3_l5_branch_true_program_output),
-  requires: [
-    { target: L5RustcToolchain },
-    { target: L5Python3Toolchain },
-    { target: L5GoToolchain }
-  ]
-}
-
-data r3_l5_cert_branch_literal_false: TestClaim = {
-  name: "r3_l5_cert_branch_literal_false",
-  source: "// R3 L4 - second W1 Rust/Int receipt inside the #1499 surface: false Bool branch, signed Int output, one named output bind.\n\nlet l4_pick: Bool = false\n\nlet l4_false_out: Int =\n  match l4_pick {\n    True => 0\n    False => -4\n  }\n",
-  file_name: "branch_literal_false_seed.v3",
-  predicate: ForAllTargets("true", [], 0, r3_l5_branch_false_program_output),
-  requires: [
-    { target: L5RustcToolchain },
-    { target: L5Python3Toolchain },
-    { target: L5GoToolchain }
-  ]
-}
-
-data r3_l5_cert_nested_branch: TestClaim = {
-  name: "r3_l5_cert_nested_branch",
-  source: "// R3 L4 - third W1 Rust/Int receipt inside the current Int-only ceiling: nested Bool branch, one named Int output bind.\n\nlet l4_outer_pick: Bool = true\nlet l4_inner_pick: Bool = false\n\nlet l4_nested_out: Int =\n  match l4_outer_pick {\n    True => match l4_inner_pick {\n      True => 5\n      False => 7\n    }\n    False => 0\n  }\n",
-  file_name: "nested_branch_seed.v3",
-  predicate: ForAllTargets("true", [], 0, r3_l5_nested_program_output),
-  requires: [
-    { target: L5RustcToolchain },
-    { target: L5Python3Toolchain },
-    { target: L5GoToolchain }
-  ]
-}
-
-data l5_cross_target_consistency: TestSuite = {
-  name: "l5_cross_target_consistency",
-  claims: [
-    Enumerated(l5_cross_target_consistency_add_then),
-    Enumerated(r3_l5_cert_branch_literal_true),
-    Enumerated(r3_l5_cert_branch_literal_false),
-    Enumerated(r3_l5_cert_nested_branch),
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/r3_verification_l7_algebraic_laws.dag b/src/v3/compiler/tests/fixtures/r3_verification_l7_algebraic_laws.dag
deleted file mode 100644
index ea2761df3a9..00000000000
--- a/src/v3/compiler/tests/fixtures/r3_verification_l7_algebraic_laws.dag
+++ /dev/null
@@ -1,215 +0,0 @@
-// std.r3_verification_l7_algebraic_laws — R3 Lane 1/L7 algebraic-law fixtures.
-//
-// The skeleton suite uses `AlgebraicLaw(Identity, …)` over Int `+` as an ordinary bounded witness
-// row (same discipline as `Associativity` / `Commutativity`). The matrix suite below pre-authors
-// enum-backed per-(algebra, law) fixture rows for the current `AlgebraicLawKind` surface:
-// `Associativity`, `Commutativity`, and `Identity`.
-//
-// Laws such as distributivity, absorption, inverse, complement, annihilation,
-// and order laws are theory in `dsl/std/algebra.dag` but **not**
-// `AlgebraicLawKind` variants. They are substrate-introduction candidates via
-// INVARIANTS §P1, not fixture-local encodings.
-//
-// **Receipt limits:** `AlgebraicLaw` payload is only `AlgebraicLawKind` + `lens_ref` — there is no
-// declared identity-element / operation-class substrate edge distinguishing add-zero vs mul-one vs
-// lattice units vs free-monoid empty (codex review / PR #2394). Additive vs multiplicative identity
-// is expressed **only** by wiring distinct binary `Int` lenses (`+` vs `*`). Passing-matrix rows
-// below intentionally exclude obligations whose tags imply non-`Int` inhabitants or non-additive /
-// non-multiplicative operations until faithful witnesses exist. This fixture is a consumer receipt
-// for the current `AlgebraicLawKind` executable surface; non-enum laws such as distributivity /
-// absorption remain substrate §P1 extensions rather than fixture-local encodings.
-
-module std.r3_verification_l7_algebraic_laws
-
-import std.types { Int }
-import std.verification { AlgebraicLaw, Associativity, Commutativity, Identity, TestClaim, TestSuite }
-
-fn r3_l7_identity_placeholder_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_semigroup_associativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_monoid_identity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_commutative_monoid_commutativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_group_identity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_abelian_group_commutativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_semiring_add_commutativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_semiring_mul_identity_op(a: Int, b: Int) -> Int = a * b
-fn r3_l7_ring_add_commutativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_ring_mul_identity_op(a: Int, b: Int) -> Int = a * b
-fn r3_l7_ordered_ring_add_commutativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_ordered_ring_mul_identity_op(a: Int, b: Int) -> Int = a * b
-fn r3_l7_lattice_meet_associativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_lattice_join_commutativity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_bounded_lattice_meet_identity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_boolean_algebra_join_identity_op(a: Int, b: Int) -> Int = a + b
-fn r3_l7_free_monoid_identity_op(a: Int, b: Int) -> Int = a + b
-
-data r3_verification_l7_algebraic_laws_skeleton: TestClaim = {
-  name: "r3_verification_l7_algebraic_laws_skeleton",
-  source: "fn r3_l7_identity_placeholder_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_verification_l7_algebraic_laws_skeleton.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_identity_placeholder_op),
-  requires: []
-}
-
-// Passing-matrix rows: binary `Int` lenses whose **operation matches the tagged additive vs
-// multiplicative obligation** (`+` for additive monoid/group/semiring-add laws; `*` for mul
-// `Identity`). Lattice meet/join **associativity/commutativity** tags are **not** green-lit here on
-// `Int` `+` (that would read as lattice laws without meet/join carriers). Bounded-lattice /
-// Boolean-algebra / free-monoid identity placeholders likewise stay **out** of the passing matrix.
-//
-// §1.8 gate #10 canonical `TestClaim.name` / declaration id (`docs/r3-program-plan.md`): bounded
-// `AlgebraicLaw::Associativity` on honest `Int` `+` (Semigroup lead row). The suite below is the
-// non-ignored consumer matrix for every currently executable `AlgebraicLawKind` row.
-data l7_algebraic_laws_witnessed: TestClaim = {
-  name: "l7_algebraic_laws_witnessed",
-  source: "fn r3_l7_semigroup_associativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "l7_algebraic_laws_witnessed.v3",
-  predicate: AlgebraicLaw(Associativity, r3_l7_semigroup_associativity_op),
-  requires: []
-}
-
-data r3_l7_monoid_identity: TestClaim = {
-  name: "r3_l7_monoid_identity",
-  source: "fn r3_l7_monoid_identity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_monoid_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_monoid_identity_op),
-  requires: []
-}
-
-data r3_l7_commutative_monoid_commutativity: TestClaim = {
-  name: "r3_l7_commutative_monoid_commutativity",
-  source: "fn r3_l7_commutative_monoid_commutativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_commutative_monoid_commutativity.v3",
-  predicate: AlgebraicLaw(Commutativity, r3_l7_commutative_monoid_commutativity_op),
-  requires: []
-}
-
-data r3_l7_group_identity: TestClaim = {
-  name: "r3_l7_group_identity",
-  source: "fn r3_l7_group_identity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_group_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_group_identity_op),
-  requires: []
-}
-
-data r3_l7_abelian_group_commutativity: TestClaim = {
-  name: "r3_l7_abelian_group_commutativity",
-  source: "fn r3_l7_abelian_group_commutativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_abelian_group_commutativity.v3",
-  predicate: AlgebraicLaw(Commutativity, r3_l7_abelian_group_commutativity_op),
-  requires: []
-}
-
-data r3_l7_semiring_add_commutativity: TestClaim = {
-  name: "r3_l7_semiring_add_commutativity",
-  source: "fn r3_l7_semiring_add_commutativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_semiring_add_commutativity.v3",
-  predicate: AlgebraicLaw(Commutativity, r3_l7_semiring_add_commutativity_op),
-  requires: []
-}
-
-data r3_l7_semiring_mul_identity: TestClaim = {
-  name: "r3_l7_semiring_mul_identity",
-  source: "fn r3_l7_semiring_mul_identity_op(a: Int, b: Int) -> Int = a * b\n",
-  file_name: "r3_l7_semiring_mul_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_semiring_mul_identity_op),
-  requires: []
-}
-
-data r3_l7_ring_add_commutativity: TestClaim = {
-  name: "r3_l7_ring_add_commutativity",
-  source: "fn r3_l7_ring_add_commutativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_ring_add_commutativity.v3",
-  predicate: AlgebraicLaw(Commutativity, r3_l7_ring_add_commutativity_op),
-  requires: []
-}
-
-data r3_l7_ring_mul_identity: TestClaim = {
-  name: "r3_l7_ring_mul_identity",
-  source: "fn r3_l7_ring_mul_identity_op(a: Int, b: Int) -> Int = a * b\n",
-  file_name: "r3_l7_ring_mul_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_ring_mul_identity_op),
-  requires: []
-}
-
-data r3_l7_ordered_ring_add_commutativity: TestClaim = {
-  name: "r3_l7_ordered_ring_add_commutativity",
-  source: "fn r3_l7_ordered_ring_add_commutativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_ordered_ring_add_commutativity.v3",
-  predicate: AlgebraicLaw(Commutativity, r3_l7_ordered_ring_add_commutativity_op),
-  requires: []
-}
-
-data r3_l7_ordered_ring_mul_identity: TestClaim = {
-  name: "r3_l7_ordered_ring_mul_identity",
-  source: "fn r3_l7_ordered_ring_mul_identity_op(a: Int, b: Int) -> Int = a * b\n",
-  file_name: "r3_l7_ordered_ring_mul_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_ordered_ring_mul_identity_op),
-  requires: []
-}
-
-// Lattice tags — retained until faithful meet/join inhabitants exist; **not** in the passing matrix on `Int` `+`.
-data r3_l7_lattice_meet_associativity: TestClaim = {
-  name: "r3_l7_lattice_meet_associativity",
-  source: "fn r3_l7_lattice_meet_associativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_lattice_meet_associativity.v3",
-  predicate: AlgebraicLaw(Associativity, r3_l7_lattice_meet_associativity_op),
-  requires: []
-}
-
-data r3_l7_lattice_join_commutativity: TestClaim = {
-  name: "r3_l7_lattice_join_commutativity",
-  source: "fn r3_l7_lattice_join_commutativity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_lattice_join_commutativity.v3",
-  predicate: AlgebraicLaw(Commutativity, r3_l7_lattice_join_commutativity_op),
-  requires: []
-}
-
-// Retained for future faithful lattice / monoid inhabitants — **not** in the passing matrix (see suite comment above).
-data r3_l7_bounded_lattice_meet_identity: TestClaim = {
-  name: "r3_l7_bounded_lattice_meet_identity",
-  source: "fn r3_l7_bounded_lattice_meet_identity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_bounded_lattice_meet_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_bounded_lattice_meet_identity_op),
-  requires: []
-}
-
-data r3_l7_boolean_algebra_join_identity: TestClaim = {
-  name: "r3_l7_boolean_algebra_join_identity",
-  source: "fn r3_l7_boolean_algebra_join_identity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_boolean_algebra_join_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_boolean_algebra_join_identity_op),
-  requires: []
-}
-
-data r3_l7_free_monoid_identity: TestClaim = {
-  name: "r3_l7_free_monoid_identity",
-  source: "fn r3_l7_free_monoid_identity_op(a: Int, b: Int) -> Int = a + b\n",
-  file_name: "r3_l7_free_monoid_identity.v3",
-  predicate: AlgebraicLaw(Identity, r3_l7_free_monoid_identity_op),
-  requires: []
-}
-
-// Declaration id is fixture-local and distinct from `r3_verification_l4_emit_eval_match.dag` so two
-// modules are never ambiguous under one loader. Lane 1 acceptance may later merge both claims into
-// one module under `r3_verification_l4_l7_direct_suite` (parent brief).
-data r3_verification_l7_algebra_skeleton_suite: TestSuite = {
-  name: "r3_verification_l7_algebra_skeleton_suite",
-  claims: [Enumerated(r3_verification_l7_algebraic_laws_skeleton)]
-}
-
-data r3_verification_l7_algebra_matrix_suite: TestSuite = {
-  name: "r3_verification_l7_algebra_matrix_suite",
-  claims: [
-    Enumerated(l7_algebraic_laws_witnessed),
-    Enumerated(r3_l7_monoid_identity),
-    Enumerated(r3_l7_commutative_monoid_commutativity),
-    Enumerated(r3_l7_group_identity),
-    Enumerated(r3_l7_abelian_group_commutativity),
-    Enumerated(r3_l7_semiring_add_commutativity),
-    Enumerated(r3_l7_semiring_mul_identity),
-    Enumerated(r3_l7_ring_add_commutativity),
-    Enumerated(r3_l7_ring_mul_identity),
-    Enumerated(r3_l7_ordered_ring_add_commutativity),
-    Enumerated(r3_l7_ordered_ring_mul_identity)
-  ]
-}
diff --git a/src/v3/compiler/tests/fixtures/rust_dag_isomorphism_consumer.dag b/src/v3/compiler/tests/fixtures/rust_dag_isomorphism_consumer.dag
deleted file mode 100644
index 5eed60b268f..00000000000
--- a/src/v3/compiler/tests/fixtures/rust_dag_isomorphism_consumer.dag
+++ /dev/null
@@ -1,32 +0,0 @@
-// std.rust_dag_isomorphism_consumer - structural equality consumer.
-//
-// RustDagIsomorphism is a consumer instance, not a new predicate family:
-// compare the Rust enum extraction shape report and the .dag reflection shape
-// report through BinaryDimensionReportEquals. The concrete DagShapeReport
-// producer remains substrate-owned; these aliases pin the report-carrier shape
-// this consumer expects.
-
-module std.rust_dag_isomorphism_consumer
-
-import std.dimensions { DimensionReport }
-import std.substrate { Dag }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-type RustEnumExtractionDagShapeReport = DimensionReport<Dag>
-type DagReflectionDagShapeReport = DimensionReport<Dag>
-
-data rust_dag_isomorphism_executable: TestClaim = {
-  name: "rust_dag_isomorphism_executable",
-  source: "",
-  file_name: "src/v3/lenses/dag_shape.dag",
-  predicate: BinaryDimensionReportEquals(
-    RustEnumExtractionDagShapeReport,
-    DagReflectionDagShapeReport
-  ),
-  requires: []
-}
-
-data rust_dag_isomorphism_consumer_suite: TestSuite = {
-  name: "rust_dag_isomorphism_consumer_suite",
-  claims: [Enumerated(rust_dag_isomorphism_executable)]
-}
diff --git a/src/v3/compiler/tests/fixtures/t_gate_58_timing_enforcement_budget_violation.dag b/src/v3/compiler/tests/fixtures/t_gate_58_timing_enforcement_budget_violation.dag
deleted file mode 100644
index 4ea215aedf8..00000000000
--- a/src/v3/compiler/tests/fixtures/t_gate_58_timing_enforcement_budget_violation.dag
+++ /dev/null
@@ -1,32 +0,0 @@
-// Gate #58 executable receipt: `timing_enforceable` + `EnforcedApplication` host enforcement.
-//
-// `gate_58_ci_workflow_timing_row` is substrate-authoritative in
-// `t_ci_workflow_as_data_demo.dag`; this fixture pairs an over-budget `TimingMeasurement`
-// with a 1-ns ceiling so `check_enforced_lens_applications` must emit a lens-enforcement
-// diagnostic (same fail-closed path as gate #92's LAS demo, but on timing).
-module user.t_gate_58_timing_enforcement_budget_violation
-
-import v3.std.lens_application { DeclarationScope, EnforcedApplication }
-import v3.std.timing_lens {
-  TimingBudget,
-  TimingEnforcementProjected,
-  TimingMeasurement,
-  timing_enforceable
-}
-import v3.std.t_ci_workflow_as_data_demo {
-  gate_58_ci_workflow_timing_row,
-  modeled_gunbc_ci_workflow
-}
-
-data gate_58_section_over_budget: gate_58_ci_workflow_timing_row = {
-  workflow: modeled_gunbc_ci_workflow
-  measurement: Observed { duration: { count: 999 } }
-}
-
-data gate_58_enforcement_budget_violation: EnforcedApplication<TimingMeasurement, TimingBudget, TimingEnforcementProjected> = {
-  enforceable_lens: timing_enforceable
-  section: DeclarationScope { declaration: gate_58_section_over_budget }
-  budget: { max: { count: 1 } }
-  diagnostic_severity: Error
-  span: { file: "t_gate_58_timing_enforcement_budget_violation.dag", start: 0, end: 1 }
-}
diff --git a/src/v3/compiler/tests/fixtures/t_las_complexity_contract_demo.dag b/src/v3/compiler/tests/fixtures/t_las_complexity_contract_demo.dag
deleted file mode 100644
index cc6de47e24c..00000000000
--- a/src/v3/compiler/tests/fixtures/t_las_complexity_contract_demo.dag
+++ /dev/null
@@ -1,23 +0,0 @@
-// Gate #92 witness: `complexity_of` + `EnforcedApplication` enforcement consumer.
-//
-// `linear_countdown_score` is a structurally terminating recursive function:
-// non-positive inputs stop immediately, and positive inputs count down to zero.
-// The current authoritative complexity lens observes this recursive descent as
-// `ClassUnknown`; the enforced application below requires `ClassConstant`,
-// forcing a fail-closed diagnostic at the authored lens-application span.
-module user.t_las_complexity_contract_demo
-
-import lenses.complexity { ComplexitySummary, complexity_enforceable }
-import std.algebra { AsymptoticClass }
-import v3.std.lens_application { EnforcedApplication, DeclarationScope }
-
-fn linear_countdown_score(n: Int) -> Int =
-  if n < 1 then 0 else linear_countdown_score(n - 1) + 1
-
-data witness_log_cap: EnforcedApplication<ComplexitySummary, AsymptoticClass, AsymptoticClass> = {
-  enforceable_lens: complexity_enforceable
-  section: DeclarationScope { declaration: linear_countdown_score }
-  budget: ClassConstant
-  diagnostic_severity: Error
-  span: { file: "t_las_complexity_contract_demo.dag", start: 805, end: 1147 }
-}
diff --git a/src/v3/compiler/tests/fixtures/t_las_crdt_cost_basis_demo.dag b/src/v3/compiler/tests/fixtures/t_las_crdt_cost_basis_demo.dag
deleted file mode 100644
index 89c1179a443..00000000000
--- a/src/v3/compiler/tests/fixtures/t_las_crdt_cost_basis_demo.dag
+++ /dev/null
@@ -1,16 +0,0 @@
-// std.t_las_crdt_cost_basis_demo — T-Lens-Application-Surface gate #93
-// (`crdt_cost_basis_demonstrated`) fixture companion.
-//
-// §4.2 authoring target (design lock: docs/design-lens-application-surface.md):
-//   apply_lens(cost, my_crdt_field, Enforce {
-//     budget: SymbolicCost { per_op: O_log_replicas }
-//     diagnostic_severity: Error
-//   })
-//
-// Executable `.dag` syntax for `apply_lens(...)` is not at HEAD; this file
-// pins the cost-lens-owned basis carriers (`CostBasisKind`, `CostBasisDeclaration`
-// in `src/v3/lenses/cost.dag`) and imports used by the integration TestClaim.
-
-module std.t_las_crdt_cost_basis_demo
-
-import lenses.cost { CostBasisDeclaration, CostBasisKind, SymbolicCostEntry }
diff --git a/src/v3/compiler/tests/fixtures/t_las_parallelism_iteration_gate95_fixture.dag b/src/v3/compiler/tests/fixtures/t_las_parallelism_iteration_gate95_fixture.dag
deleted file mode 100644
index 3bf82474ccc..00000000000
--- a/src/v3/compiler/tests/fixtures/t_las_parallelism_iteration_gate95_fixture.dag
+++ /dev/null
@@ -1,9 +0,0 @@
-// std.t_las_parallelism_iteration_gate95_fixture — T-LAS gate #95 companion.
-//
-// Pins `parallelism_enforceable` (`src/v3/lenses/parallelism.dag`) for Self-Generation-0 / integration
-// discovery. Executable `apply_lens(parallelism, NodeScope { … })` authoring remains deferred —
-// receipts exercise the host consumer (`check_enforced_lens_applications`) in
-// `enforced_lens_application.rs`.
-module std.t_las_parallelism_iteration_gate95_fixture
-
-import lenses.parallelism { parallelism_enforceable }
diff --git a/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/contract_diagnostic_smoke.v3 b/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/contract_diagnostic_smoke.v3
deleted file mode 100644
index 2fa95868cae..00000000000
--- a/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/contract_diagnostic_smoke.v3
+++ /dev/null
@@ -1,25 +0,0 @@
-// T-PB-B Brief D — draft contract negatives (`FailsWithDiagnostic`).
-// Schema authority: `src/v3/std/verification.dag`.
-//
-// Dissolution: same claim as `src/v3/compiler/tests/dag/t_pb_b_1_contract_diagnostic_smoke.dag`.
-// Retire this `.v3` once Testgen accepts that `.dag` module as the maintained copy (Brief D
-// named trigger); until then, keep source/predicate text aligned with the `.dag` sibling.
-//
-// Fixture smoke lowers this module cleanly only — it does not evaluate `FailsWithDiagnostic`
-// on embedded `source` (see `docs/briefs/t-pb-b-1.md`, *Compile-smoke caveat*).
-
-import std.list { empty }
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-let claim_bool_int_rejected: TestClaim = {
-  name: "Bool annotation rejects Int literal",
-  source: "let x: Bool = 1",
-  file_name: "t1_4_type_mismatch.v3",
-  predicate: FailsWithDiagnostic({ kind: TypeMismatch, detail_contains: AnyDetail }),
-  requires: empty()
-}
-
-let suite_contract_diagnostic_negatives: TestSuite = {
-  name: "t-pb-b/contract/diagnostic_negatives",
-  claims: [claim_bool_int_rejected]
-}
diff --git a/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/contract_port_cost_smoke.v3 b/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/contract_port_cost_smoke.v3
deleted file mode 100644
index fe0050513f8..00000000000
--- a/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/contract_port_cost_smoke.v3
+++ /dev/null
@@ -1,37 +0,0 @@
-// T-PB-B Brief D — draft `PortHasState` + `CostBounded` claims (contract / lens vocabulary).
-// Schema authority: `src/v3/std/verification.dag`.
-// Cost witness is the runner-evaluated value for `let answer: Int = 1 + 1 + 1 + 1`
-// (three `+` additions = 3), matching the landed `.dag` sibling. The `m1_5_verification_test`
-// smoke still ships an unevaluated `Eq 8` placeholder; that is compile-only and not a claim
-// of runner-evaluated cost.
-//
-// Dissolution: same claims as `src/v3/compiler/tests/dag/t_pb_b_1_contract_port_cost.dag`.
-// Retire this `.v3` once Testgen accepts that `.dag` module as the maintained copy (Brief D
-// named trigger); until then, keep source/predicate text aligned with the `.dag` sibling.
-
-import std.list { empty }
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-let pred_answer_resolved: TestPredicate = PortHasState("answer", Resolved)
-let pred_answer_cost_eq_3: TestPredicate = CostBounded("answer", Eq, 3)
-
-let claim_answer_resolved: TestClaim = {
-  name: "answer bind resolves",
-  source: "let answer: Int = 1 + 1 + 1 + 1",
-  file_name: "t_pb_b_port_answer.v3",
-  predicate: pred_answer_resolved,
-  requires: empty()
-}
-
-let claim_answer_cost_bounded: TestClaim = {
-  name: "answer bind has bounded cost witness (Eq 3)",
-  source: "let answer: Int = 1 + 1 + 1 + 1",
-  file_name: "t_pb_b_cost_answer.v3",
-  predicate: pred_answer_cost_eq_3,
-  requires: empty()
-}
-
-let suite_contract_port_and_cost: TestSuite = {
-  name: "t-pb-b/contract/port_and_cost",
-  claims: [claim_answer_resolved, claim_answer_cost_bounded]
-}
diff --git a/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/pipeline_smoke.v3 b/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/pipeline_smoke.v3
deleted file mode 100644
index 9f462ea9e57..00000000000
--- a/src/v3/compiler/tests/fixtures/t_pb_b_brief_d/pipeline_smoke.v3
+++ /dev/null
@@ -1,23 +0,0 @@
-// T-PB-B Brief D — draft pipeline-oriented `TestSuite` / `TestClaim` values.
-// Schema authority: `src/v3/std/verification.dag`. Non-landing; Rust tests remain canonical.
-// Predicate: `Compiles` on embedded v3 program text (pipe unary smoke).
-//
-// Dissolution: same claim as `src/v3/compiler/tests/dag/t_pb_b_1_pipeline_smoke.dag`.
-// Retire this `.v3` once Testgen accepts that `.dag` module as the maintained copy (Brief D
-// named trigger); until then, keep source/predicate text aligned with the `.dag` sibling.
-
-import std.list { empty }
-import std.verification { TestClaim, TestSuite, TestPredicate }
-
-let claim_pipe_unary_compiles: TestClaim = {
-  name: "pipe unary call program compiles",
-  source: "fn negate(x: Int) -> Int = 0 - x\nlet y = 5 |> negate\n",
-  file_name: "pipe_unary.v3",
-  predicate: Compiles,
-  requires: empty()
-}
-
-let suite_pipeline_pipe_unary: TestSuite = {
-  name: "t-pb-b/pipeline/pipe_unary_compiles",
-  claims: [claim_pipe_unary_compiles]
-}
diff --git a/src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_deferred.dag b/src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_deferred.dag
deleted file mode 100644
index 90323aa3fa4..00000000000
--- a/src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_deferred.dag
+++ /dev/null
@@ -1,56 +0,0 @@
-// std.tc1_substrate_lens_eta_equivalence_deferred — TC1 (R2 substrate research scope).
-//
-// Author-now / fire-later structural `TestClaim` for eta-equivalence at substrate
-// level vs `Lens<C>` / `DimensionReport<C>`. Design intent:
-// - PR #1178 `docs/design-substrate-lambda-calculus-grounding.md` — "eta-equivalence at substrate level"
-// - `docs/design-lens-framework.md` — `Lens<C>`, `DimensionReport<C>`
-//
-// `SubstrateResearchDeferredClaim` remains runner-valid only in this file (not
-// R1 `r1_release_acceptance.dag` / `ReleaseDeferredClaim`), but TC1's strict
-// consumer path now authors the unified `BinaryDimensionReportEquals` shape.
-// The equality still author-now/fire-later gates on generic DimensionReport<C>
-// production/evaluation and lens producer retirement.
-
-module std.tc1_substrate_lens_eta_equivalence_deferred
-
-import std.dimensions { DimensionReport }
-import std.verification {
-  BinaryDimensionReportEquals,
-  TestClaim,
-  TestSuite
-}
-
-// Carrier for the TC1 eta-equivalence observation. The concrete `Lens<C>` set
-// and eta-pair producer are still pending T-Substrate-Lens-Primitive + lens
-// producer retirement; this fixture locks the unified consumer shape.
-type Tc1EtaLensObservation {}
-
-// Eta-equivalent term pair:
-// - `tc1_subject_f_report` represents applying `fold_lens<C>` to `f`.
-// - `tc1_subject_eta_expanded_report` represents applying `fold_lens<C>` to
-//   the eta-expanded form `lambda x.apply(f, [x])`.
-//
-// Both refs intentionally produce the same `DimensionReport<C>` carrier. The
-// runner validates that shape today and returns NotYetImplemented until generic
-// report evaluation can compare the produced values structurally.
-type tc1_subject_f_report = DimensionReport<Tc1EtaLensObservation>
-type tc1_subject_eta_expanded_report = DimensionReport<Tc1EtaLensObservation>
-
-// Gates on T-Substrate-Lens-Primitive landing (Q6/Q6.5/Q7/Q8 design locks LANDED via #1129; substrate primitive itself in cadence after PR-PreF #1167)
-// TC1 — For any Lens<C>, applying it to `f` and to eta-expanded
-// `lambda x.apply(f, [x])` yields identical DimensionReport<C>.
-data eta_equivalent_dag_forms_yield_identical_lens_results: TestClaim = {
-  name: "eta_equivalent_dag_forms_yield_identical_lens_results",
-  source: "// TC1 deferred theorem marker; no program evaluation.\nlet _: Int = 0\n",
-  file_name: "tc1_eta_equivalent_dag_forms_yield_identical_lens_results.v3",
-  predicate: BinaryDimensionReportEquals(
-    tc1_subject_f_report,
-    tc1_subject_eta_expanded_report
-  ),
-  requires: []
-}
-
-data tc1_substrate_lens_eta_equivalence_suite: TestSuite = {
-  name: "tc1_substrate_lens_eta_equivalence_suite",
-  claims: [Enumerated(eta_equivalent_dag_forms_yield_identical_lens_results)]
-}
diff --git a/src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_strict_fire.dag b/src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_strict_fire.dag
deleted file mode 100644
index 89c70a17eae..00000000000
--- a/src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_strict_fire.dag
+++ /dev/null
@@ -1,81 +0,0 @@
-// std.tc1_substrate_lens_eta_equivalence_strict_fire — TC1 V1 first slice (Pattern-A / E6-G1.a).
-//
-// Authority chain (Director ratifications, current as of 2026-05-07):
-//   - Q-PAFS Path A ACCEPTED 2026-05-06 (PR #1824 merge record on `main`).
-//   - Q-Reification Option A ratified 2026-05-07 (PR #2096): `Dag` IS the reflected program.
-//   - Substrate Mgr Gate A patches MERGED 2026-05-07 (PR #2079, commit 0e8724bc).
-//   - V1 dispatch unblocked by Verification Mgr (wise-bear-525, #2075) per Director cascade
-//     UNHOLD signal at gunbc#828 #issuecomment-4394467134.
-//
-// Differences vs `tc1_substrate_lens_eta_equivalence_deferred.dag`:
-//   - Canonical TestClaim name `tc1_eta_equivalence_executable` per `r3-program-plan.md` §1.8 #11
-//     (deferred fixture's claim name is the R2 research-receipt form, not the §1.8 gate name).
-//   - Adds the η-pair callables `eta_subject_f` / `eta_subject_f_eta` at source level — η-equivalent
-//     pair `f` and `lambda x. apply(f, [x])` per TC1 statement (`r3-v-tc1-eta-equivalence-deeper-
-//     analysis.md` §"What TC1 Asserts"). Both compute the same `Int` value structurally.
-//   - Predicate stays `BinaryDimensionReportEquals` (Pattern-A consumer envelope; unified
-//     surface ratified at gunbc#828).
-//
-// Runner: §1.8 gate #11 executes via `TestRunner::try_eval_tc1_eta_equivalence_executable`:
-// `analyze_symbolic_cost_dimension` at η-pair entry binds in `TestClaim.source`. Typed refs remain
-// `DimensionReport<Tc1EtaLensObservation>` (Pattern-A envelope); Pass uses a **proxy**
-// `DimensionReport<SymbolicCost>` comparison until gunbc#1972 lands the real
-// `Tc1EtaLensObservation` fold — single forward dissolution trigger (INVARIANTS P5-style receipt).
-//
-// Path A intent for this representative: both entries reduce to the same Int computation (`0+1`);
-// η-expansion adds an indirect call but the symbolic-cost lens attributes the **same** root
-// `composed` asymptotic bound for these workflows today — so equality of root `composed`
-// `SymbolicCost` matches Director-approved Path A static-rep receipt without claiming full TC1
-// lens-fold η-invariance yet. A future analyzer that weights call depth could flip this gate until
-// #1972 migrates the assertion to carrier-native reports.
-//
-// Hard bars (E6-G1.a Option 3 caveat #1853): no `lens_apply` / `eval_substrate_reify` /
-// `reflect_behavior` imports. Carrier shape is the ratified Q-Reification Option A `Dag`-as-
-// carrier (Verification consumes; does not introduce).
-
-module std.tc1_substrate_lens_eta_equivalence_strict_fire
-
-import std.dimensions { DimensionReport }
-import std.verification {
-  BinaryDimensionReportEquals,
-  TestClaim,
-  TestSuite
-}
-
-// Carrier for the TC1 eta-equivalence observation. Stays opaque at this slice — the carrier
-// identity is what BinaryDimensionReportEquals normalizes on (left/right must agree).
-type Tc1EtaLensObservation {}
-
-// η-pair callables — both compute the same `Int` value. `eta_subject_f_eta` is the η-expanded
-// form `lambda x. apply(eta_subject_f, [x])`; the lens-fold-over-`Dag` of either should yield
-// equal `DimensionReport<Tc1EtaLensObservation>` values once the Evaluator substrate-fact
-// projection path lands. These declarations make the η-pair source-visible (Mgr/
-// reviewer can read non-vacuity intent off the .dag) even though runtime fold isn't wired
-// at this slice.
-fn eta_subject_f(x: Int) -> Int = x + 1
-fn eta_subject_f_eta(x: Int) -> Int = eta_subject_f(x)
-
-// Typed report refs — the unified `BinaryDimensionReportEquals` consumer envelope reads
-// these as `DeclarationRef`s and validates carrier-equivalence today. Fold-output wiring
-// is Evaluator-side; #1970 closed superseded-by-deferral, with the remaining path tracked at #1972.
-type tc1_subject_f_report = DimensionReport<Tc1EtaLensObservation>
-type tc1_subject_eta_expanded_report = DimensionReport<Tc1EtaLensObservation>
-
-// §1.8 gate #11 canonical TestClaim name. Predicate uses the unified `BinaryDimensionReportEquals`
-// shape; `TestClaim.source` wires η-pair entry binds — runner compares **root composed SymbolicCost**
-// proxy equality (see header comment); full `Tc1EtaLensObservation` report parity is gunbc#1972.
-data tc1_eta_equivalence_executable_claim: TestClaim = {
-  name: "tc1_eta_equivalence_executable",
-  source: "// TC1 V1 executable η-pair — binds wired for runner Path A (`tc1_eta_exec_*`).\nfn eta_subject_f(x: Int) -> Int = x + 1\nfn eta_subject_f_eta(x: Int) -> Int = eta_subject_f(x)\nfn tc1_eta_exec_direct() -> Int = eta_subject_f(0)\nfn tc1_eta_exec_eta_expanded() -> Int = eta_subject_f_eta(0)\n",
-  file_name: "tc1_eta_equivalence_executable.v3",
-  predicate: BinaryDimensionReportEquals(
-    tc1_subject_f_report,
-    tc1_subject_eta_expanded_report
-  ),
-  requires: []
-}
-
-data tc1_substrate_lens_eta_equivalence_strict_fire_suite: TestSuite = {
-  name: "tc1_substrate_lens_eta_equivalence_strict_fire_suite",
-  claims: [Enumerated(tc1_eta_equivalence_executable_claim)]
-}
diff --git a/src/v3/compiler/tests/fixtures/tc2_church_rosser_executable.v3 b/src/v3/compiler/tests/fixtures/tc2_church_rosser_executable.v3
deleted file mode 100644
index 466e58f4e21..00000000000
--- a/src/v3/compiler/tests/fixtures/tc2_church_rosser_executable.v3
+++ /dev/null
@@ -1,7 +0,0 @@
-// TC2 strict-fire - binary Transform + two argument sites (non-atomic subexpressions).
-// Vacuity guard: LeftFirst vs RightFirst eager schedules traverse distinct operand-eval order.
-module user.tc2_church_rosser_executable
-
-fn sub_pos(a: Int, b: Int) -> Int = a - b
-
-let _: Int = sub_pos(2 + 3, 1 + 1)
diff --git a/src/v3/compiler/tests/fixtures/tc2_church_rosser_strict_fire.dag b/src/v3/compiler/tests/fixtures/tc2_church_rosser_strict_fire.dag
deleted file mode 100644
index c57e6b276b9..00000000000
--- a/src/v3/compiler/tests/fixtures/tc2_church_rosser_strict_fire.dag
+++ /dev/null
@@ -1,47 +0,0 @@
-// std.tc2_church_rosser_strict_fire — TC2 (Church-Rosser / strategy-order) first executable slice.
-//
-// Authority: `r3-program-plan.md` gate #12 `tc2_church_rosser_executable`;
-// `r3-v-pattern-a-tc2-v1-worker.md` (Pattern-A; unified `BinaryDimensionReportEquals` envelope).
-//
-// Differences vs `tc2_evaluation_order_independence_deferred.dag`:
-//   - Canonical TestClaim name `tc2_church_rosser_executable` (deferred fixture uses the
-//     R2 research-receipt form `evaluation_order_independent_lens_results`).
-//   - Fixture-local `DimensionReport<Dag>` role names (`tc2_church_rosser_strict_fire_*`) so the
-//     runner routes the executable slice off the `BinaryDimensionReportEquals` payload alone
-//     (INVARIANTS P2) without colliding with deferred `tc2_leftfirst_strategy_dimension_report`.
-//
-// Runner: `BinaryDimensionReportEquals` over these roles materializes strategy-keyed
-// `DimensionReport<Dag>` values for the embedded claim program (see `test_runner.rs`).
-//
-// Vacuity guard (Pattern-A TC2): `TestClaim.source` must not be a constant-only program — gate #12
-// is Church-Rosser / **n-ary Transform input-evaluation order**. The embedded program is a binary
-// call whose operands are **two non-atomic Int subexpressions**, so eager LeftFirst vs RightFirst
-// schedules differ in evaluation trace / memo keys even before substrate producers land (same idea as
-// worker brief STOP on vacuous strategy equality).
-
-module std.tc2_church_rosser_strict_fire
-
-import std.dimensions { DimensionReport }
-import std.substrate { Dag }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-// Role types: runner resolves these to strategy-conditioned `DimensionReport<Dag>` rows.
-type tc2_church_rosser_strict_fire_left_dimension_report = DimensionReport<Dag>
-type tc2_church_rosser_strict_fire_right_dimension_report = DimensionReport<Dag>
-
-// Gate #12 canonical TestClaim name.
-data tc2_church_rosser_executable_claim: TestClaim = {
-  name: "tc2_church_rosser_executable",
-  source: "// TC2 strict-fire - binary Transform + two argument sites (non-atomic subexpressions).\n// Vacuity guard: LeftFirst vs RightFirst eager schedules traverse distinct operand-eval order.\nmodule user.tc2_church_rosser_executable\n\nfn sub_pos(a: Int, b: Int) -> Int = a - b\n\nlet _: Int = sub_pos(2 + 3, 1 + 1)\n",
-  file_name: "tc2_church_rosser_executable.v3",
-  predicate: BinaryDimensionReportEquals(
-    tc2_church_rosser_strict_fire_left_dimension_report,
-    tc2_church_rosser_strict_fire_right_dimension_report
-  ),
-  requires: []
-}
-
-data tc2_church_rosser_strict_fire_suite: TestSuite = {
-  name: "tc2_church_rosser_strict_fire_suite",
-  claims: [Enumerated(tc2_church_rosser_executable_claim)]
-}
diff --git a/src/v3/compiler/tests/fixtures/tc2_evaluation_order_independence_deferred.dag b/src/v3/compiler/tests/fixtures/tc2_evaluation_order_independence_deferred.dag
deleted file mode 100644
index 157e636a2ec..00000000000
--- a/src/v3/compiler/tests/fixtures/tc2_evaluation_order_independence_deferred.dag
+++ /dev/null
@@ -1,49 +0,0 @@
-// std.tc2_evaluation_order_independence_deferred — TC2 (R2 Evaluator semantics).
-//
-// Author-now / fire-later structural `TestClaim` for Church-Rosser-style
-// evaluation-order independence over evaluator runtime values and Lens<C>
-// results. Runtime values remain gated on the closed-over-environment decision
-// in docs/briefs/r2-pr-a-runtime-value-model.md: environments are evaluator
-// state (`EvalFrame` / `EvalStateStack`), not observable Value inhabitants.
-//
-// Slice-0 strict predicate: unified `BinaryDimensionReportEquals` (Director #828;
-// Substrate PR #1318) with TC2 **strategy-order** interpretation — pair
-// `DimensionReport<Dag>` role declarations for **LeftFirst** vs **RightFirst**
-// n-ary Transform input-evaluation order (PR #1316 §1). Modifier semantics
-// live in the future report producers / runner wiring, not in a parallel
-// `TestPredicate` variant. Runner evaluation is NYI until generic
-// `DimensionReport<C>` production lands; strict-fire still waits on ≥2
-// executable strategies (PR #1316 §4 P4). `TestClaim.source` is empty —
-// predicate is structural (paired report refs); no claim program slice.
-
-module std.tc2_evaluation_order_independence_deferred
-
-import std.dimensions { DimensionReport }
-import std.substrate { Dag }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-// Role types: producers will resolve these to strategy-conditioned folds.
-type tc2_leftfirst_strategy_dimension_report = DimensionReport<Dag>
-type tc2_rightfirst_strategy_dimension_report = DimensionReport<Dag>
-
-// Gates on PB-Runtime spec landing (#1176 landed) + T-Substrate-Lens-Primitive landing (R2 Substrate cadence).
-// Evaluation-order strategies enumerated per docs/design-pb-runtime-interpreter.md §3.
-// TC2 — For any program + Lens<C>, two valid evaluation strategies
-// (applicative-order vs normal-order; left-first vs right-first
-// input evaluation in n-ary Transform) yield identical
-// DimensionReport<C>.
-data evaluation_order_independent_lens_results: TestClaim = {
-  name: "evaluation_order_independent_lens_results",
-  source: "",
-  file_name: "tc2_evaluation_order_independent_lens_results.v3",
-  predicate: BinaryDimensionReportEquals(
-    tc2_leftfirst_strategy_dimension_report,
-    tc2_rightfirst_strategy_dimension_report
-  ),
-  requires: []
-}
-
-data tc2_evaluation_order_independence_suite: TestSuite = {
-  name: "tc2_evaluation_order_independence_suite",
-  claims: [Enumerated(evaluation_order_independent_lens_results)]
-}
diff --git a/src/v3/compiler/tests/fixtures/tc3_strong_normalization_deferred.dag b/src/v3/compiler/tests/fixtures/tc3_strong_normalization_deferred.dag
deleted file mode 100644
index 3084e2d09dd..00000000000
--- a/src/v3/compiler/tests/fixtures/tc3_strong_normalization_deferred.dag
+++ /dev/null
@@ -1,43 +0,0 @@
-// std.tc3_strong_normalization_deferred — TC3 (strong normalization / R3 Verification).
-//
-// Stage-(a) author-now-fire-later `TestClaim` for the PB→Verification transition
-// described in docs/briefs/r3-pb-t-fixedpoint-worker.md §"TC3 — Strong-normalization
-// TestClaim" and docs/briefs/r3-v-formal-grounding-tc-bundle.md (two-stage gate).
-//
-// Uses unified `BinaryDimensionReportEquals` with TC3 **evaluation-step** interpretation:
-// paired `DimensionReport<Dag>` roles stand in for evaluation-step witness parity
-// (bounded forward execution vs termination evidence — exact producers land with
-// B5 + T-Substrate-Lens-Primitive + T-FixedPoint cadence). Full theorem witnessing
-// (stage b) remains gated on T-FixedPoint completion; this fixture does not assert
-// runtime termination over the typed fragment.
-//
-// `TestClaim.source` is empty — predicate is structural (paired report refs); no
-// claim program slice (Verification structural-claim convention; cf. PR #1325).
-//
-// NO new `TestPredicate` variants — consumer-only authoring per Director #828.
-
-module std.tc3_strong_normalization_deferred
-
-import std.dimensions { DimensionReport }
-import std.substrate { Dag }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-// Role types: baseline vs bounded-step projection producers hook here when wired.
-type tc3_evaluation_step_baseline_dimension_report = DimensionReport<Dag>
-type tc3_evaluation_step_compare_dimension_report = DimensionReport<Dag>
-
-data tc3_strong_normalization_substrate_introduced: TestClaim = {
-  name: "tc3_strong_normalization_substrate_introduced",
-  source: "",
-  file_name: "tc3_strong_normalization_substrate_introduced.v3",
-  predicate: BinaryDimensionReportEquals(
-    tc3_evaluation_step_baseline_dimension_report,
-    tc3_evaluation_step_compare_dimension_report
-  ),
-  requires: []
-}
-
-data tc3_strong_normalization_suite: TestSuite = {
-  name: "tc3_strong_normalization_suite",
-  claims: [Enumerated(tc3_strong_normalization_substrate_introduced)]
-}
diff --git a/src/v3/compiler/tests/fixtures/tc3_strong_normalization_executable.v3 b/src/v3/compiler/tests/fixtures/tc3_strong_normalization_executable.v3
deleted file mode 100644
index faa5d8dda88..00000000000
--- a/src/v3/compiler/tests/fixtures/tc3_strong_normalization_executable.v3
+++ /dev/null
@@ -1,9 +0,0 @@
-// TC3 strict-fire - strong-normalization scaffold over typed `.dag` programs.
-// Vacuity guard: evaluation has nontrivial step structure (function application
-// + arithmetic) so baseline eval-step and termination-evidence projections do
-// not collapse to a single trivial trace before producers land.
-module user.tc3_strong_normalization_executable
-
-fn succ(n: Int) -> Int = n + 1
-
-let _: Int = succ(succ(0))
diff --git a/src/v3/compiler/tests/fixtures/tc3_strong_normalization_strict_fire.dag b/src/v3/compiler/tests/fixtures/tc3_strong_normalization_strict_fire.dag
deleted file mode 100644
index 0ab4a934467..00000000000
--- a/src/v3/compiler/tests/fixtures/tc3_strong_normalization_strict_fire.dag
+++ /dev/null
@@ -1,59 +0,0 @@
-// std.tc3_strong_normalization_strict_fire — TC3 (strong-normalization) first executable slice.
-//
-// Authority: `r3-program-plan.md` §1.8 gate #13 `tc3_pattern_a_second_mover_executable`;
-// `r3-v-pattern-a-tc3-v1-worker.md` (Pattern-A second-mover; unified
-// `BinaryDimensionReportEquals` envelope; two-stage gate (a)/(b)).
-//
-// Differences vs `tc3_strong_normalization_deferred.dag`:
-//   - Canonical TestClaim name `tc3_pattern_a_second_mover_executable` (deferred fixture uses
-//     the R2 research-receipt form `tc3_strong_normalization_substrate_introduced`).
-//   - Same predicate shape and same role-pair carrier `Dag` per
-//     `r3-v-tc3-pattern-a-second-mover-conformance-audit.md` §Witness-Shape Commitments
-//     (baseline evaluation-step projection vs bounded-step / termination-evidence projection).
-//   - Embeds a non-vacuous typed `.v3` source (sidecar `tc3_strong_normalization_executable.v3`)
-//     so the eval-step / termination-evidence projection pair is not trivially equal at the
-//     substrate flip.
-//
-// Runner status today: `BinaryDimensionReportEquals` shape-only — `eval_binary_dimension_report_
-// equals_shape` returns `NotYetImplemented` after structural validation (generic
-// `DimensionReport<C>` production/evaluation substrate not landed). Strict-fire **PASSING**
-// requires bundle stage (b): T-FixedPoint termination semantics (gunbc#2087) + Evaluator
-// eval-step / bounded-step producer surface. Integration test asserts shape-valid NYI today;
-// flips to Pass when (a)+(b) land without changing this claim name.
-//
-// Vacuity guard (Pattern-A TC3): `TestClaim.source` is a structurally bounded computation
-// (`succ(succ(0))`) — a multi-step evaluation whose baseline eval-step trace and termination-
-// evidence projection diverge in step structure even before producers wire (audit §Non-Drift
-// Findings — no serialized / string / byte / theorem encoding).
-//
-// NO new `TestPredicate` variants — consumer-only authoring per Director #828; no TC3-specific
-// quantifier carrier, producer identity enum, or Verification-local report shape per audit §1
-// bullets 4–5.
-
-module std.tc3_strong_normalization_strict_fire
-
-import std.dimensions { DimensionReport }
-import std.substrate { Dag }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-// Role types: producers resolve these to evaluation-step (baseline) and bounded-step /
-// termination-evidence projections. Same carrier `C = Dag` per audit §Contract bullet 2.
-type tc3_evaluation_step_baseline_dimension_report = DimensionReport<Dag>
-type tc3_evaluation_step_compare_dimension_report = DimensionReport<Dag>
-
-// §1.8 gate #13 canonical TestClaim name.
-data tc3_pattern_a_second_mover_executable_claim: TestClaim = {
-  name: "tc3_pattern_a_second_mover_executable",
-  source: "// TC3 strict-fire - strong-normalization scaffold over typed `.dag` programs.\n// Vacuity guard: evaluation has nontrivial step structure (function application\n// + arithmetic) so baseline eval-step and termination-evidence projections do\n// not collapse to a single trivial trace before producers land.\nmodule user.tc3_strong_normalization_executable\n\nfn succ(n: Int) -> Int = n + 1\n\nlet _: Int = succ(succ(0))\n",
-  file_name: "tc3_strong_normalization_executable.v3",
-  predicate: BinaryDimensionReportEquals(
-    tc3_evaluation_step_baseline_dimension_report,
-    tc3_evaluation_step_compare_dimension_report
-  ),
-  requires: []
-}
-
-data tc3_strong_normalization_strict_fire_suite: TestSuite = {
-  name: "tc3_strong_normalization_strict_fire_suite",
-  claims: [Enumerated(tc3_pattern_a_second_mover_executable_claim)]
-}
diff --git a/src/v3/compiler/tests/four_fixture_pressure/drop.v3 b/src/v3/compiler/tests/four_fixture_pressure/drop.v3
deleted file mode 100644
index b4b1a8525b5..00000000000
--- a/src/v3/compiler/tests/four_fixture_pressure/drop.v3
+++ /dev/null
@@ -1,9 +0,0 @@
-// §3.3 — `drop`. Parameter is NOT reachable from the return.
-//
-//   Expected disposition (post-Track-1-Phase-2): Borrowed.
-//   Reachability fact today: UnusedParametersLens reports the
-//   parameter as UNUSED (the body is the literal `0`).
-//
-// Abstraction boundary probed: "parameter not reachable from return".
-fn drop(x: Int) -> Int = 0
-let sample: Int = drop(1)
diff --git a/src/v3/compiler/tests/four_fixture_pressure/id.v3 b/src/v3/compiler/tests/four_fixture_pressure/id.v3
deleted file mode 100644
index ae3bd2652be..00000000000
--- a/src/v3/compiler/tests/four_fixture_pressure/id.v3
+++ /dev/null
@@ -1,9 +0,0 @@
-// §3.3 — `id`. Parameter reaches the return directly.
-//
-//   Expected disposition (post-Track-1-Phase-2): Consumed.
-//   Reachability fact today: UnusedParametersLens reports the
-//   parameter as USED (the body `x` is the bind result).
-//
-// Abstraction boundary probed: "reach return, no construct".
-fn id(x: Int) -> Int = x
-let sample: Int = id(1)
diff --git a/src/v3/compiler/tests/four_fixture_pressure/is_empty.v3 b/src/v3/compiler/tests/four_fixture_pressure/is_empty.v3
deleted file mode 100644
index d2006d90bc4..00000000000
--- a/src/v3/compiler/tests/four_fixture_pressure/is_empty.v3
+++ /dev/null
@@ -1,31 +0,0 @@
-// §3.3 — `is_empty`. Parameter flows through match (read),
-// not to the return.
-//
-//   Expected disposition (post-Track-1-Phase-2): Borrowed.
-//   Reachability fact today: UnusedParametersLens reports the
-//   parameter as USED (the body matches on it), but the return
-//   value is independent of `b`'s payload.
-//
-// Abstraction boundary probed: "no reach from return, match-read
-// only".
-//
-// Shape note: §3.3 writes this against `List<Int>` with
-// `Empty | Cons(p)`. Two adaptations needed for today's lowering:
-//
-//   1. The match-on-List core-type lowering is not yet wired
-//      (the shape lands with a later slice of substrate work), so
-//      the fixture substitutes an equivalent user sum — same
-//      abstraction (match-read-only, param inspected not
-//      forwarded).
-//   2. The names `is_empty` and `Empty` both appear in
-//      `src/v3/std/list.dag`; using them at fixture top-level
-//      would collide with the stdlib. The fixture renames to
-//      `is_empty_fx` / `Nil` so the collision doesn't shadow
-//      what the test is actually probing.
-//
-// When the List match lowering lands and name-scoping allows
-// shadowing the stdlib names, the canonical §3.3 form can be
-// swapped in without the test interface changing.
-type BoxedFx = BoxedV(Int) | Nil
-fn is_empty_fx(b: BoxedFx) -> Bool = match b { BoxedV(v) => false, Nil => true }
-let sample: Bool = is_empty_fx(Nil)
diff --git a/src/v3/compiler/tests/four_fixture_pressure/wrap.v3 b/src/v3/compiler/tests/four_fixture_pressure/wrap.v3
deleted file mode 100644
index cfbc4c98571..00000000000
--- a/src/v3/compiler/tests/four_fixture_pressure/wrap.v3
+++ /dev/null
@@ -1,12 +0,0 @@
-// §3.3 — `wrap`. Parameter reaches the return via record
-// construction (embedded in a Conj value).
-//
-//   Expected disposition (post-Track-1-Phase-2): Consumed.
-//   Reachability fact today: UnusedParametersLens reports the
-//   parameter as USED (the body's `{ value: x }` record captures it).
-//
-// Abstraction boundary probed: "reach return through construct".
-type Box { value: Int }
-fn wrap(x: Int) -> Box = { value: x }
-let boxed: Box = wrap(1)
-let sample: Int = boxed.value
diff --git a/src/v3/compiler/tests/integration.rs b/src/v3/compiler/tests/integration.rs
deleted file mode 100644
index 6c283e1756e..00000000000
--- a/src/v3/compiler/tests/integration.rs
+++ /dev/null
@@ -1,1295 +0,0 @@
-//! Consolidated v3-compiler integration test binary.
-//!
-//! **Why one binary.** Rust integration tests default to one binary per
-//! `tests/*.rs` file. Each binary pays a separate bootstrap + compile cost
-//! on cold runners (bootstrap alone is ~200ms; the in-memory
-//! `cached_compile_to_dag` helper only amortizes within-binary). Hoisting
-//! every test file into this single module tree means:
-//!
-//! - **One bootstrap per cargo test run** — shared across every test.
-//! - **Cross-test cache hits** — two tests that pass identical `(source,
-//!   file)` arguments to `cached_compile_to_dag` now share the compile
-//!   result. Different file markers produce distinct cache keys by design
-//!   (the cache identity is the exact compile invocation).
-//! - **One compile, link, and load cycle** — no 25× rustc invocations for
-//!   test-binary production.
-//!
-//! **Module discipline.** Each file under `tests/integration/*.rs`,
-//! `tests/integration/cementing/*.rs`, `tests/boundary/*.rs`, or
-//! `tests/unit/*.rs` is a sibling module at this crate root, reached via
-//! `#[path]` because Rust's default module resolution for a crate-root file
-//! looks in the containing directory (`tests/`) rather than a same-named
-//! subdirectory. Shared helpers live under `tests/integration/common/`.
-//! Inside a test module, `use crate::common::…` reaches those helpers; there
-//! is no per-file `mod common;` declaration.
-//!
-//! **Layer taxonomy (TESTING.md § test layers).** Files are partitioned
-//! by directory:
-//! - `tests/unit/`        — lenses, accessors, single-pass behaviors (<5ms)
-//! - `tests/integration/` — multi-stage pipeline, fixed-point convergence (<100ms)
-//! - `tests/boundary/`    — rustc/go/python roundtrips, emitted-module behavior (<2s)
-//!
-//! Each moved test file carries a `//! **Layer:** <unit|integration|boundary>`
-//! header so `grep -rn '\*\*Layer:\*\*'` reports the current partition.
-//! The taxonomy is the directory; the header is a human-readable echo.
-
-#[macro_use]
-#[path = "integration/common/mod.rs"]
-mod common;
-
-#[path = "integration/anthropic_messages_callable_test.rs"]
-mod anthropic_messages_callable_test;
-#[path = "integration/anthropic_messages_wire_demo_test.rs"]
-mod anthropic_messages_wire_demo_test;
-#[path = "integration/anthropic_operations_test.rs"]
-mod anthropic_operations_test;
-#[path = "integration/anthropic_schema_lockstep_test.rs"]
-mod anthropic_schema_lockstep_test;
-#[path = "integration/anthropic_tool_result_wire_demo_test.rs"]
-mod anthropic_tool_result_wire_demo_test;
-#[path = "integration/bridge_ledger_carrier_test.rs"]
-mod bridge_ledger_carrier_test;
-#[path = "integration/bridge_lower_helpers_patch_zero_residual_test.rs"]
-mod bridge_lower_helpers_patch_zero_residual_test;
-#[path = "integration/canonical_lens_bridge_ratchet_test.rs"]
-mod canonical_lens_bridge_ratchet_test;
-#[path = "integration/cementing/cementing_provenance_origin_integration_test.rs"]
-mod cementing_provenance_origin_integration_test;
-#[path = "integration/cementing/complexity_lens_behavioral_completion.rs"]
-mod complexity_lens_behavioral_completion;
-#[path = "integration/cementing/cost_lens_symbolic_consumer_test.rs"]
-mod cost_lens_symbolic_consumer_test;
-#[path = "integration/coverage_defect_acceptance_dag_test.rs"]
-mod coverage_defect_acceptance_dag_test;
-#[path = "integration/cross_target_coverage_carrier_test.rs"]
-mod cross_target_coverage_carrier_test;
-#[path = "integration/dissolution_subsumption_carrier_test.rs"]
-mod dissolution_subsumption_carrier_test;
-#[path = "integration/e6_g1a_option3_static_lens_test.rs"]
-mod e6_g1a_option3_static_lens_test;
-#[path = "integration/e_i_lane_induction_preflight_test.rs"]
-mod e_i_lane_induction_preflight_test;
-#[path = "integration/cementing/e_p_per_call_descent_lens_consumer_cementing.rs"]
-mod e_p_per_call_descent_lens_consumer_cementing;
-#[path = "integration/cementing/effect_enumeration_lens_behavioral_completion.rs"]
-mod effect_enumeration_lens_behavioral_completion;
-#[path = "integration/emission_provenance_lens_test.rs"]
-mod emission_provenance_lens_test;
-#[path = "integration/emit_verification_gates_test.rs"]
-mod emit_verification_gates_test;
-#[path = "integration/extdeps_rust_primitives_loader_test.rs"]
-mod extdeps_rust_primitives_loader_test;
-#[path = "integration/extdeps_sql_transport_test.rs"]
-mod extdeps_sql_transport_test;
-#[path = "integration/file_attachment_substrate_carrier_test.rs"]
-mod file_attachment_substrate_carrier_test;
-#[path = "integration/four_fixture_regression_test.rs"]
-mod four_fixture_regression_test;
-#[path = "integration/get_off_v3_compile_to_dag_census_test.rs"]
-mod get_off_v3_compile_to_dag_census_test;
-#[path = "integration/idempotency_lens_instance_blocker_test.rs"]
-mod idempotency_lens_instance_blocker_test;
-#[path = "integration/int_literal_cardinality_test.rs"]
-mod int_literal_cardinality_test;
-#[path = "integration/l1_5_fixed_point_test.rs"]
-mod l1_5_fixed_point_test;
-#[path = "boundary/l5_cross_target_consistency.rs"]
-mod l5_cross_target_consistency;
-#[path = "integration/lane2_stage_2a_effects_smoke.rs"]
-mod lane2_stage_2a_effects_smoke;
-#[path = "integration/lane2_stage_2b_db18_test.rs"]
-mod lane2_stage_2b_db18_test;
-#[path = "integration/lane2_stage_2c_db15_test.rs"]
-mod lane2_stage_2c_db15_test;
-#[path = "integration/lane2_stage_2d_symbolic_cost_test.rs"]
-mod lane2_stage_2d_symbolic_cost_test;
-#[path = "integration/lane2_stage_2e_parallelism_test.rs"]
-mod lane2_stage_2e_parallelism_test;
-#[path = "integration/lane3_stage_3b_db1_test.rs"]
-mod lane3_stage_3b_db1_test;
-#[path = "integration/lens_application_substrate_carrier_test.rs"]
-mod lens_application_substrate_carrier_test;
-#[path = "integration/lens_behavioral_parity_demonstration_test.rs"]
-mod lens_behavioral_parity_demonstration_test;
-#[path = "integration/lens_cost_target_realization_test.rs"]
-mod lens_cost_target_realization_test;
-#[path = "integration/lens_register_correspondence_test.rs"]
-mod lens_register_correspondence_test;
-#[path = "integration/lens_substrate_carrier_test.rs"]
-mod lens_substrate_carrier_test;
-#[path = "integration/m0_acceptance.rs"]
-mod m0_acceptance;
-#[path = "boundary/m1_3_emit_go_test.rs"]
-mod m1_3_emit_go_test;
-#[path = "boundary/m1_3_emit_rust_test.rs"]
-mod m1_3_emit_rust_test;
-#[path = "integration/m1_3_lens_cost_test.rs"]
-mod m1_3_lens_cost_test;
-#[path = "integration/m1_3_lens_unused_parameters_test.rs"]
-mod m1_3_lens_unused_parameters_test;
-#[path = "boundary/m1_4_emit_python_test.rs"]
-mod m1_4_emit_python_test;
-#[path = "boundary/m1_5_emit_omni_demo_test.rs"]
-mod m1_5_emit_omni_demo_test;
-#[path = "integration/m1_5_omni_shape_b_openapi_test.rs"]
-mod m1_5_omni_shape_b_openapi_test;
-#[path = "integration/m1_5_testgen_test.rs"]
-mod m1_5_testgen_test;
-#[path = "integration/m1_5_user_authored_lens_gate_test.rs"]
-mod m1_5_user_authored_lens_gate_test;
-#[path = "integration/m1_5_verification_test.rs"]
-mod m1_5_verification_test;
-#[path = "integration/m1_fn_external_body_reconciliation_test.rs"]
-mod m1_fn_external_body_reconciliation_test;
-#[path = "integration/m1_lens_structural_resolution_test.rs"]
-mod m1_lens_structural_resolution_test;
-#[path = "integration/m1_substrate_test.rs"]
-mod m1_substrate_test;
-#[path = "integration/m2_feature_parity_test.rs"]
-mod m2_feature_parity_test;
-#[path = "integration/m2_field_access_binding_test.rs"]
-mod m2_field_access_binding_test;
-#[path = "integration/m2_lens_cost_migration_test.rs"]
-mod m2_lens_cost_migration_test;
-#[path = "integration/m2_lens_idempotency_emit_test.rs"]
-mod m2_lens_idempotency_emit_test;
-#[path = "integration/m2_lens_idempotency_migration_test.rs"]
-mod m2_lens_idempotency_migration_test;
-#[path = "integration/m2_lens_provenance_migration_test.rs"]
-mod m2_lens_provenance_migration_test;
-#[path = "integration/m2_lens_structural_resolution_migration_test.rs"]
-mod m2_lens_structural_resolution_migration_test;
-#[path = "integration/m2_lens_unused_parameters_migration_test.rs"]
-mod m2_lens_unused_parameters_migration_test;
-#[path = "integration/m2_lens_variant_payload_migration_test.rs"]
-mod m2_lens_variant_payload_migration_test;
-#[path = "integration/m2_substrate_inhabitance_test.rs"]
-mod m2_substrate_inhabitance_test;
-#[path = "integration/cementing/memory_peak_cost_basis_demo.rs"]
-mod memory_peak_cost_basis_demo;
-#[path = "integration/method_registry_test.rs"]
-mod method_registry_test;
-#[path = "integration/method_template_contract_test.rs"]
-mod method_template_contract_test;
-#[path = "integration/method_template_projection_emit_shim_coherence_test.rs"]
-mod method_template_projection_emit_shim_coherence_test;
-#[path = "integration/no_coercion_cost_dimension_ratchet_test.rs"]
-mod no_coercion_cost_dimension_ratchet_test;
-#[path = "integration/pb1_bootstrap_full_snapshot_test.rs"]
-mod pb1_bootstrap_full_snapshot_test;
-#[path = "integration/pb_method_template_projection_test.rs"]
-mod pb_method_template_projection_test;
-#[path = "integration/pipe_desugar.rs"]
-mod pipe_desugar;
-#[path = "integration/positional_conj_fold_list_emit_path_test.rs"]
-mod positional_conj_fold_list_emit_path_test;
-#[path = "integration/prereq_x_call_on_field_access_ratchet_test.rs"]
-mod prereq_x_call_on_field_access_ratchet_test;
-#[path = "integration/r1_release_acceptance_test.rs"]
-mod r1_release_acceptance_test;
-#[path = "integration/r2_b5_loop_construction_closure_test.rs"]
-mod r2_b5_loop_construction_closure_test;
-#[path = "integration/r3_class_2_function_valued_data_test.rs"]
-mod r3_class_2_function_valued_data_test;
-#[path = "integration/r3_free_consequences_first_batch_test.rs"]
-mod r3_free_consequences_first_batch_test;
-#[path = "integration/r3_free_consequences_second_batch_test.rs"]
-mod r3_free_consequences_second_batch_test;
-#[path = "integration/r3_gate_60_phase2_width_nat_parser_test.rs"]
-mod r3_gate_60_phase2_width_nat_parser_test;
-#[path = "integration/r3_gate_62_file_ingestion_negative_bridge_audit_test.rs"]
-mod r3_gate_62_file_ingestion_negative_bridge_audit_test;
-#[path = "integration/r3_gate_87_lens_cementing_regen_receipts_test.rs"]
-mod r3_gate_87_lens_cementing_regen_receipts_test;
-#[path = "integration/r3_gate_90_lens_enforcement_carrier_landed_test.rs"]
-mod r3_gate_90_lens_enforcement_carrier_landed_test;
-#[path = "integration/r3_lens_producer_retirement_executable_witness_test.rs"]
-mod r3_lens_producer_retirement_executable_witness_test;
-#[path = "integration/r3_path_b_brief3_char_in_class_execution_test.rs"]
-mod r3_path_b_brief3_char_in_class_execution_test;
-#[path = "integration/r3_pb_runtime_evaluator_corpus_seed_test.rs"]
-mod r3_pb_runtime_evaluator_corpus_seed_test;
-#[path = "integration/r3_self_gen_non_test_zero_test.rs"]
-mod r3_self_gen_non_test_zero_test;
-#[path = "integration/r3_substrate_gap_reflection_closure_test.rs"]
-mod r3_substrate_gap_reflection_closure_test;
-#[path = "integration/r3_v3_self_host_demonstration_dag_test.rs"]
-mod r3_v3_self_host_demonstration_dag_test;
-#[path = "integration/r3_verification_l4_l7_l5_skeleton_test.rs"]
-mod r3_verification_l4_l7_l5_skeleton_test;
-#[path = "integration/self_gen0_census_test.rs"]
-mod self_gen0_census_test;
-#[path = "integration/self_gen1_tokenize_authority_test.rs"]
-mod self_gen1_tokenize_authority_test;
-#[path = "integration/self_gen2_parse_authority_test.rs"]
-mod self_gen2_parse_authority_test;
-#[path = "integration/self_gen2c1_parse_tables_authority_test.rs"]
-mod self_gen2c1_parse_tables_authority_test;
-#[path = "integration/self_gen2c5_soft_keyword_ident_test.rs"]
-mod self_gen2c5_soft_keyword_ident_test;
-#[path = "integration/self_gen3_lower_parse_surface_stack_test.rs"]
-mod self_gen3_lower_parse_surface_stack_test;
-#[path = "integration/self_gen3_surface_reflection_consumer_test.rs"]
-mod self_gen3_surface_reflection_consumer_test;
-#[path = "integration/self_gen6_hand_authored_census_test.rs"]
-mod self_gen6_hand_authored_census_test;
-#[path = "integration/self_gen7_prep_variant_payload_freshness_test.rs"]
-mod self_gen7_prep_variant_payload_freshness_test;
-#[path = "integration/shape_a_target_source_filtering_authority_test.rs"]
-mod shape_a_target_source_filtering_authority_test;
-#[path = "integration/symbolic_cost_expr_equals_executable_ratchet_test.rs"]
-mod symbolic_cost_expr_equals_executable_ratchet_test;
-#[path = "integration/t_gate_106_show_correct_code_diagnostic_coverage_test.rs"]
-mod t_gate_106_show_correct_code_diagnostic_coverage_test;
-#[path = "integration/t_gate_58_apply_lens_self_application_test.rs"]
-mod t_gate_58_apply_lens_self_application_test;
-#[path = "integration/t_impossiblebugs_unenumerated_effects_test.rs"]
-mod t_impossiblebugs_unenumerated_effects_test;
-#[path = "integration/t_las_complexity_contract_compile_error_test.rs"]
-mod t_las_complexity_contract_compile_error_test;
-#[path = "integration/t_las_crdt_cost_basis_demo_test.rs"]
-mod t_las_crdt_cost_basis_demo_test;
-#[path = "integration/t_las_parallelism_iteration_gate95_demo_test.rs"]
-mod t_las_parallelism_iteration_gate95_demo_test;
-#[path = "integration/t_lens_application_carrier_test.rs"]
-mod t_lens_application_carrier_test;
-#[path = "integration/t_pb_b_1_dag_runner_test.rs"]
-mod t_pb_b_1_dag_runner_test;
-#[path = "integration/tc1_substrate_lens_eta_equivalence_deferred_test.rs"]
-mod tc1_substrate_lens_eta_equivalence_deferred_test;
-#[path = "integration/tc1_substrate_lens_eta_equivalence_strict_fire_test.rs"]
-mod tc1_substrate_lens_eta_equivalence_strict_fire_test;
-#[path = "integration/tc2_church_rosser_strict_fire_test.rs"]
-mod tc2_church_rosser_strict_fire_test;
-#[path = "integration/tc3_strong_normalization_deferred_test.rs"]
-mod tc3_strong_normalization_deferred_test;
-#[path = "integration/tc3_strong_normalization_strict_fire_test.rs"]
-mod tc3_strong_normalization_strict_fire_test;
-#[path = "integration/test_runner_test.rs"]
-mod test_runner_test;
-#[path = "integration/thesis_parallelism_test.rs"]
-mod thesis_parallelism_test;
-#[path = "integration/thesis_validation_test.rs"]
-mod thesis_validation_test;
-#[path = "integration/timing_lens_substrate_carrier_test.rs"]
-mod timing_lens_substrate_carrier_test;
-#[path = "integration/v2_oracle_no_remaining_test_consumers_test.rs"]
-mod v2_oracle_no_remaining_test_consumers_test;
-#[path = "integration/v4_emit_host_eval_dispatch_test.rs"]
-mod v4_emit_host_eval_dispatch_test;
-#[path = "integration/v4_emit_host_harness_test.rs"]
-mod v4_emit_host_harness_test;
-#[path = "boundary/v4_leaf_model_go_r1_r2_r3_external_test.rs"]
-mod v4_leaf_model_go_r1_r2_r3_external_test;
-#[path = "boundary/v4_leaf_model_python_cross_runtime_drift_test.rs"]
-mod v4_leaf_model_python_cross_runtime_drift_test;
-#[path = "boundary/v4_leaf_model_python_l1_static_receipts_test.rs"]
-mod v4_leaf_model_python_l1_static_receipts_test;
-#[path = "boundary/v4_leaf_model_python_l2_cross_target_parity_test.rs"]
-mod v4_leaf_model_python_l2_cross_target_parity_test;
-#[path = "boundary/v4_leaf_model_python_r1_test.rs"]
-mod v4_leaf_model_python_r1_test;
-#[path = "boundary/v4_leaf_model_python_r2_r3_external_test.rs"]
-mod v4_leaf_model_python_r2_r3_external_test;
-#[path = "boundary/v4_leaf_model_rust_r1_rustc_test.rs"]
-mod v4_leaf_model_rust_r1_rustc_test;
-#[path = "boundary/v4_leaf_model_rust_r2_r3_external_rustc_test.rs"]
-mod v4_leaf_model_rust_r2_r3_external_rustc_test;
-#[path = "boundary/v4_leaf_model_rust_r3_internal_emit_coupling_test.rs"]
-mod v4_leaf_model_rust_r3_internal_emit_coupling_test;
-#[path = "boundary/v4_leaf_model_typescript_r2_r3_external_test.rs"]
-mod v4_leaf_model_typescript_r2_r3_external_test;
-#[path = "integration/v4_p9_llvm_instruction_cost_single_owner_test.rs"]
-mod v4_p9_llvm_instruction_cost_single_owner_test;
-#[path = "integration/v4_std_text_boundary_carrier_guard_test.rs"]
-mod v4_std_text_boundary_carrier_guard_test;
-#[path = "integration/v4_t15_self_host_fixed_point_harness_test.rs"]
-mod v4_t15_self_host_fixed_point_harness_test;
-#[path = "integration/v4_test_bootstrap_infra_closeout_test.rs"]
-mod v4_test_bootstrap_infra_closeout_test;
-#[path = "integration/value_body_substrate_mirror_isomorphism_test.rs"]
-mod value_body_substrate_mirror_isomorphism_test;
-#[path = "integration/common/wiring_scanner_test.rs"]
-mod wiring_scanner_test;
-#[path = "integration/workflow_root_port_test.rs"]
-mod workflow_root_port_test;
-#[path = "integration/workflow_substrate_carriers_test.rs"]
-mod workflow_substrate_carriers_test;
-
-mod t_demo_fixture_test {
-    //! **Layer:** integration
-
-    use std::fs;
-    use std::path::PathBuf;
-    use std::sync::OnceLock;
-
-    use crate::common::{cached_compile_outcome, cached_compile_to_dag, CachedCompileOutcome};
-    use v3_compiler::dag::Dag;
-    use v3_compiler::test_runner::{ClaimResult, TestRunner};
-
-    const FIXTURE: &str = "src/v3/compiler/tests/t_demo/t_demo_fixtures.dag";
-
-    static T_DEMO_FIXTURE_DAG: OnceLock<Dag> = OnceLock::new();
-
-    /// Byte-sync with `t_demo_structural_cost_obligation_gate.source` in `t_demo_fixtures.dag`.
-    const T_DEMO_STRUCTURAL_COST_OBLIGATION_CLAIM_SOURCE: &str = "fn pair_score(xs: List<Int>) -> Int = fold(xs, 0, |outer, x| outer + fold(xs, 0, |inner, y| inner + x + y))\nlet complexity_demo_out: Int = pair_score(cons(1, singleton(2)))\n";
-
-    fn fixture_source() -> String {
-        let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-            .join("../../..")
-            .join(FIXTURE);
-        fs::read_to_string(path).expect("read T-Demo fixture skeleton")
-    }
-
-    fn compile_fixture(source: &str) -> Dag {
-        cached_compile_to_dag(source, FIXTURE)
-    }
-
-    fn cached_t_demo_fixture_dag() -> &'static Dag {
-        T_DEMO_FIXTURE_DAG.get_or_init(|| {
-            let src = fixture_source();
-            std::thread::Builder::new()
-                .name("t-demo-fixture-dag".to_string())
-                .stack_size(64 * 1024 * 1024)
-                .spawn(move || compile_fixture(&src))
-                .expect("spawn T-Demo fixture compile thread")
-                .join()
-                .expect("T-Demo fixture compile thread should not panic")
-        })
-    }
-
-    /// Smoke: the checked-in T-Demo `.dag` fixture lowers with empty module diagnostics. Uses
-    /// `cached_t_demo_fixture_dag` so the compile is amortized with sibling tests (TESTING.md
-    /// `OnceLock` carve-out); the first caller pays `OnceLock::get_or_init`; libtest order is not
-    /// part of the contract.
-    #[test]
-    fn t_demo_fixture_skeleton_compiles() {
-        let dag = cached_t_demo_fixture_dag();
-        assert!(
-            dag.diagnostics().is_empty(),
-            "T-Demo fixture skeleton should compile without diagnostics: {:?}",
-            dag.diagnostics()
-        );
-    }
-
-    #[test]
-    fn t_demo_canonical_suites_are_runner_visible() {
-        let dag = cached_t_demo_fixture_dag();
-
-        for suite_name in [
-            "fixture_compiler_nerd_canonical",
-            "fixture_integration_canonical",
-        ] {
-            let results = TestRunner::new(dag).run_suite(suite_name);
-            assert!(
-                !results.is_empty(),
-                "T-Demo suite `{suite_name}` should contain Day-1 Compiles claims"
-            );
-            assert!(
-                results
-                    .iter()
-                    .all(|result| result.result == ClaimResult::Pass),
-                "T-Demo suite `{suite_name}` should pass Day-1 Compiles claims, got {results:?}"
-            );
-        }
-    }
-
-    /// ROADMAP T-Demo / PR #764: this must pin the **sum-constructor** mismatch
-    /// (`AppendEffect()` is not an `IdempotentShape` case) by requiring diagnostics for both
-    /// endpoints, not a generic `compose_effects` argument refinement message that omits either
-    /// `AppendEffect` or `IsIdempotent`.
-    #[test]
-    fn impossible_bug_idempotency_violation_emits_named_constructor_resolve_error() {
-        let src = "let bad_shape = IsIdempotent(AppendEffect())\n";
-        let CachedCompileOutcome::Semantic(dag) =
-            cached_compile_outcome(src, "impossible_bug_idempotency.v3")
-        else {
-            panic!("idempotency-violation witness should not compile");
-        };
-        let msgs: Vec<String> = dag.diagnostics().iter().map(|(_, d)| d.message()).collect();
-        let append_needle = "AppendEffect";
-        let idempotent_needle = "IsIdempotent";
-        assert!(
-            msgs.iter().any(|m| m.contains(append_needle))
-                && msgs.iter().any(|m| m.contains(idempotent_needle)),
-            "expected nullary-call lowering to reject AppendEffect as IsIdempotent payload; got: {msgs:?}"
-        );
-    }
-
-    #[test]
-    fn t_demo_impossible_bug_suite_r1_passes() {
-        let dag = cached_t_demo_fixture_dag();
-        let results = TestRunner::new(dag).run_suite("impossible_bug_class_suite_r1");
-        assert_eq!(results.len(), 3);
-        assert!(
-            results
-                .iter()
-                .all(|result| result.result == ClaimResult::Pass),
-            "impossible-bug suite claims should all Pass (FailsWithDiagnostic receipts only), got {results:?}"
-        );
-    }
-
-    /// R1C-F T-Demo gate: a user-authored lens (`lenses.named_function_count`, the same
-    /// GREEN T-LensAPI lens) detects 3 named bindings in the violating program; the
-    /// `LensOutputEquals` predicate matches and the gate Passes — proving the proof
-    /// surface is user-extensible (THESIS §"User-defined dimensions").
-    #[test]
-    fn t_demo_user_authored_lens_rejects_violating_program_passes() {
-        let dag = cached_t_demo_fixture_dag();
-        let results = TestRunner::new(dag)
-            .run_suite("demo_user_authored_lens_rejects_violating_program_suite");
-        assert_eq!(results.len(), 1);
-        assert!(
-            matches!(results[0].result, ClaimResult::Pass),
-            "user-authored lens demo gate should Pass (lens detected violations and matched expected count), got {:?}",
-            results[0].result
-        );
-    }
-
-    #[test]
-    fn t_demo_structural_cost_obligation_witness_compiles_cleanly() {
-        cached_compile_to_dag(
-            T_DEMO_STRUCTURAL_COST_OBLIGATION_CLAIM_SOURCE,
-            "t_demo_structural_cost_obligation.v3",
-        );
-    }
-
-    #[test]
-    fn t_demo_structural_cost_obligation_suite_observes_cost_bound_fail() {
-        let dag = cached_t_demo_fixture_dag();
-        let results = TestRunner::new(dag).run_suite("t_demo_structural_cost_obligation_suite");
-        assert_eq!(results.len(), 1);
-        let ClaimResult::Fail(msg) = &results[0].result else {
-            panic!(
-                "structural cost obligation gate should Fail CostBounded (cost exceeds bound), got {:?}",
-                results[0].result
-            );
-        };
-        assert!(
-            msg.starts_with("cost ") && msg.contains("did not satisfy bound"),
-            "unexpected CostBounded failure message (expected structural bound receipt, not compile skip): {msg}"
-        );
-    }
-}
-
-mod lane2_stage_2f_dimension_test {
-    use crate::common::cached_compile_to_dag;
-    use v3_compiler::analyze_symbolic_cost_dimension;
-    use v3_compiler::dag::{Behavior, Dag, DeclarationId, PortId, TypeConnective};
-    use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-    use v3_compiler::DimensionReport;
-
-    fn find_bind_port(dag: &Dag, name: &str) -> PortId {
-        dag.nodes()
-            .iter()
-            .filter_map(Behavior::as_bind)
-            .find(|bind| bind.name == name)
-            .unwrap_or_else(|| panic!("bind `{name}` not found"))
-            .value
-    }
-
-    fn find_bind_root(dag: &Dag, name: &str) -> v3_compiler::dag::NodeId {
-        dag.nodes()
-            .iter()
-            .find(|behavior| {
-                behavior
-                    .as_bind()
-                    .map(|bind| bind.name == name)
-                    .unwrap_or(false)
-            })
-            .map(|behavior| behavior.id())
-            .unwrap_or_else(|| panic!("bind `{name}` not found"))
-    }
-
-    #[test]
-    fn no_authored_analysis_dimension_carrier_constants_in_bootstrap_stdlib() {
-        let dag = Dag::new();
-        let dimension_template = dag
-            .declaration_by_name("AnalysisDimension")
-            .expect("bootstrap loads AnalysisDimension")
-            .id;
-        let count = dag
-            .declarations()
-            .iter()
-            .filter(|decl| {
-                decl.value_body.is_some()
-                    && matches!(
-                        &decl.connective,
-                        TypeConnective::Instantiation { template, .. }
-                            if *template == dimension_template
-                    )
-            })
-            .count();
-        assert_eq!(
-            count, 0,
-            "no `data _: AnalysisDimension<_> = ...` values ship until class-5 bodies unlock the receipt"
-        );
-    }
-
-    fn named_decl(dag: &Dag, name: &str) -> DeclarationId {
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("bootstrap loads {name}"))
-            .id
-    }
-
-    fn instantiation_parts(dag: &Dag, id: DeclarationId) -> (DeclarationId, Vec<DeclarationId>) {
-        match &dag.declaration(id).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => (*template, arguments.iter().map(|arg| arg.value).collect()),
-            other => panic!("expected instantiation for {id:?}, got {other:?}"),
-        }
-    }
-
-    #[test]
-    fn dimension_value_wrapper_carries_unit_phantom_axis() {
-        let dag = Dag::new();
-        let dimension = dag
-            .declaration_by_name("Dimension")
-            .expect("bootstrap loads Dimension");
-        assert_eq!(dimension.type_params.len(), 2);
-        assert_eq!(dimension.phantom_params.len(), 1);
-        assert_eq!(
-            dimension.phantom_params[0].parameter,
-            dimension.type_params[0]
-        );
-
-        let abelian_group = named_decl(&dag, "AbelianGroup");
-        let (algebra_template, algebra_args) =
-            instantiation_parts(&dag, dimension.phantom_params[0].algebra);
-        assert_eq!(algebra_template, abelian_group);
-        assert_eq!(algebra_args, vec![dimension.type_params[0]]);
-
-        for unit in [
-            "Meters",
-            "Seconds",
-            "Kilograms",
-            "Amperes",
-            "Kelvin",
-            "Moles",
-            "Candela",
-        ] {
-            named_decl(&dag, unit);
-        }
-
-        for function in [
-            "add_dimension",
-            "sub_dimension",
-            "mul_dimension_scalar",
-            "div_dimension_scalar",
-        ] {
-            let decl = dag.declaration(named_decl(&dag, function));
-            assert!(
-                matches!(decl.connective, TypeConnective::Arrow { .. }),
-                "{function} should be present in bootstrap as a callable arrow"
-            );
-        }
-    }
-
-    #[test]
-    fn analyze_symbolic_cost_composed_matches_lens_at_workflow_root() {
-        let dag = cached_compile_to_dag("let x = 1 + 2", "lane2_2f_dim.v3");
-        let root = find_bind_root(&dag, "x");
-        let report = analyze_symbolic_cost_dimension(&dag, root);
-        let lens = match symbolic_cost_lookup(&dag, &find_bind_port(&dag, "x")) {
-            SymbolicCostLookup::Hit(cost) => cost,
-            SymbolicCostLookup::Miss => panic!("expected Hit"),
-        };
-        let DimensionReport::DimensionOk {
-            composed,
-            dimension_name,
-            witnesses,
-        } = report
-        else {
-            panic!("expected DimensionOk for well-typed program, got {report:?}");
-        };
-        assert_eq!(composed, lens);
-        assert_eq!(dimension_name, "symbolic_cost");
-        assert!(
-            witnesses.len() < dag.nodes().len(),
-            "dimension witnesses should be workflow-scoped, not materialized for every bootstrap behavior"
-        );
-    }
-
-    #[test]
-    fn dimension_report_carrier_is_pass_fail_sum_in_bootstrap() {
-        let dag = Dag::new();
-        let decl = dag
-            .declaration_by_name("DimensionReport")
-            .expect("bootstrap loads DimensionReport");
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            panic!(
-                "DimensionReport must be a pass/fail sum (Disj), got {:?}",
-                decl.connective
-            );
-        };
-        let labels: Vec<_> = variants.iter().map(|v| v.label.as_str()).collect();
-        assert_eq!(
-            labels,
-            vec!["DimensionOk", "DimensionFail"],
-            "expected DimensionOk | DimensionFail variants"
-        );
-        let ok_payload = dag.declaration(variants[0].ty);
-        let TypeConnective::Conj { children } = &ok_payload.connective else {
-            panic!("DimensionOk payload should be a record");
-        };
-        let ok_fields: Vec<_> = children.iter().map(|c| c.label.as_str()).collect();
-        assert_eq!(
-            ok_fields,
-            vec!["dimension_name", "composed", "witnesses"],
-            "DimensionOk should carry composed only on the pass arm"
-        );
-        let fail_payload = dag.declaration(variants[1].ty);
-        let TypeConnective::Conj {
-            children: fail_children,
-        } = &fail_payload.connective
-        else {
-            panic!("DimensionFail payload should be a record");
-        };
-        let fail_fields: Vec<_> = fail_children.iter().map(|c| c.label.as_str()).collect();
-        assert_eq!(
-            fail_fields,
-            vec!["dimension_name", "violations", "witnesses"],
-            "DimensionFail must not admit composed; violations carry proof failure"
-        );
-    }
-}
-
-/// PR-E E7 symbolic-cost-only — public-API integration coverage.
-///
-/// `analyze_complexity` is the named E7 entrypoint authorized by #1471
-/// and landed in #1484. These tests pin that the **public crate API**
-/// (`v3_compiler::analyze_complexity`) is reachable from outside the
-/// `dimension` module, delegates to the existing symbolic-cost
-/// analyzer, and preserves the typed `DimensionReport` /
-/// `Diagnostic` partition without parsing `Witness::Violates.reason`.
-mod e7_analyze_complexity_integration {
-    use crate::common::cached_compile_to_dag;
-    use v3_compiler::dag::Behavior;
-    use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-    use v3_compiler::{analyze_complexity, analyze_symbolic_cost_dimension, DimensionReport};
-
-    fn find_bind_root(dag: &v3_compiler::dag::Dag, name: &str) -> v3_compiler::dag::NodeId {
-        dag.nodes()
-            .iter()
-            .find(|behavior| {
-                behavior
-                    .as_bind()
-                    .map(|bind| bind.name == name)
-                    .unwrap_or(false)
-            })
-            .map(|behavior| behavior.id())
-            .unwrap_or_else(|| panic!("bind `{name}` not found"))
-    }
-
-    fn find_bind_port(dag: &v3_compiler::dag::Dag, name: &str) -> v3_compiler::dag::PortId {
-        dag.nodes()
-            .iter()
-            .filter_map(Behavior::as_bind)
-            .find(|bind| bind.name == name)
-            .unwrap_or_else(|| panic!("bind `{name}` not found"))
-            .value
-    }
-
-    /// E7 §test 1 (integration form): the public `analyze_complexity`
-    /// API delegates to the live `analyze_symbolic_cost_dimension` —
-    /// pinned by structural equality of the resulting `DimensionOk`
-    /// fields. Single-authority via the public crate surface.
-    #[test]
-    fn analyze_complexity_public_api_delegates_to_symbolic_cost_dimension() {
-        let dag = cached_compile_to_dag("let y = 3 + 4", "e7_int_match.v3");
-        let root = find_bind_root(&dag, "y");
-
-        let via_complexity = analyze_complexity(&dag, root);
-        let via_dimension = analyze_symbolic_cost_dimension(&dag, root);
-
-        match (&via_complexity, &via_dimension) {
-            (
-                DimensionReport::DimensionOk {
-                    dimension_name: cn,
-                    composed: cc,
-                    witnesses: cw,
-                },
-                DimensionReport::DimensionOk {
-                    dimension_name: dn,
-                    composed: dc,
-                    witnesses: dw,
-                },
-            ) => {
-                assert_eq!(cn, dn);
-                assert_eq!(cc, dc);
-                assert_eq!(cw.len(), dw.len());
-                // Strengthen length-equality to per-witness content
-                // equality on the typed Inhabits arm (the only arm
-                // reachable on a well-typed program through the
-                // public surface). SymbolicCost derives PartialEq, so
-                // structural equality on the carrier is honest;
-                // Violates would need Behavior PartialEq which it
-                // does not derive — fail-arm equality stays in the
-                // in-module unit tests where ghost-port DAGs are
-                // constructible.
-                for (cw_i, dw_i) in cw.iter().zip(dw.iter()) {
-                    match (cw_i, dw_i) {
-                        (
-                            v3_compiler::Witness::Inhabits(cc),
-                            v3_compiler::Witness::Inhabits(dc),
-                        ) => assert_eq!(cc, dc),
-                        (
-                            v3_compiler::Witness::Violates { .. },
-                            v3_compiler::Witness::Violates { .. },
-                        ) => {
-                            panic!(
-                                "well-typed program produced Violates witnesses on both arms; \
-                                 the symbolic-cost analyzer should not emit Violates here, \
-                                 so the test must be revisited (likely a regression)."
-                            );
-                        }
-                        other => panic!(
-                            "wrapper and direct analyzer produced different witness arms: {other:?}"
-                        ),
-                    }
-                }
-            }
-            other => panic!(
-                "expected both DimensionOk with matching content via the public API, got {other:?}",
-            ),
-        }
-    }
-
-    /// E7 §test 1 (root-arg observable): a two-bind program makes the
-    /// `workflow_root` argument structurally observable. The wrapper
-    /// must agree with `analyze_symbolic_cost_dimension` on the
-    /// non-default root specifically — a wrapper that ignored the
-    /// supplied root and always picked "the only bind" or "the first
-    /// bind" would diverge here on **witness-spine size**, since the
-    /// reachable-behaviors filter for the second bind covers strictly
-    /// more nodes than the first.
-    #[test]
-    fn analyze_complexity_public_api_honors_supplied_workflow_root() {
-        let dag = cached_compile_to_dag("let a = 1 + 2\nlet b = a + 3 + 4", "e7_int_two_binds.v3");
-
-        let root_a = find_bind_root(&dag, "a");
-        let root_b = find_bind_root(&dag, "b");
-        assert_ne!(root_a, root_b, "two-bind fixture must distinguish roots");
-
-        // For each root the public wrapper agrees with the underlying
-        // analyzer on the same root.
-        for selected_root in [root_a, root_b] {
-            let via_complexity = analyze_complexity(&dag, selected_root);
-            let via_dimension = analyze_symbolic_cost_dimension(&dag, selected_root);
-
-            match (&via_complexity, &via_dimension) {
-                (
-                    DimensionReport::DimensionOk {
-                        composed: cc,
-                        witnesses: cw,
-                        ..
-                    },
-                    DimensionReport::DimensionOk {
-                        composed: dc,
-                        witnesses: dw,
-                        ..
-                    },
-                ) => {
-                    assert_eq!(cc, dc, "wrapper must honor selected root {selected_root:?}");
-                    assert_eq!(
-                        cw.len(),
-                        dw.len(),
-                        "wrapper must produce the same witness-spine count for root {selected_root:?}",
-                    );
-                    // Strengthen length-equality to per-witness
-                    // content equality on the typed `Inhabits` arm.
-                    // SymbolicCost has PartialEq; Behavior on the
-                    // Violates arm does not, so fail-arm content
-                    // equality stays in the in-module unit tests.
-                    for (cw_i, dw_i) in cw.iter().zip(dw.iter()) {
-                        match (cw_i, dw_i) {
-                            (
-                                v3_compiler::Witness::Inhabits(cc),
-                                v3_compiler::Witness::Inhabits(dc),
-                            ) => assert_eq!(
-                                cc, dc,
-                                "wrapper must produce identical Inhabits content for root {selected_root:?}",
-                            ),
-                            (
-                                v3_compiler::Witness::Violates { .. },
-                                v3_compiler::Witness::Violates { .. },
-                            ) => panic!(
-                                "well-typed two-bind fixture should not emit Violates witnesses; \
-                                 likely regression for root {selected_root:?}",
-                            ),
-                            other => panic!(
-                                "wrapper and direct analyzer produced different witness arms for \
-                                 root {selected_root:?}: {other:?}",
-                            ),
-                        }
-                    }
-                }
-                other => panic!(
-                    "expected both DimensionOk for selected root {selected_root:?}, got {other:?}",
-                ),
-            }
-        }
-
-        // The two roots reach different sets of behaviors via
-        // `workflow_reachable_behavior_ids`: `b`'s slice contains
-        // `a`'s slice plus the additional adds. A wrapper that
-        // ignored the supplied root would return the same witness
-        // count for both — this assertion catches that regression.
-        let witnesses_a = match analyze_complexity(&dag, root_a) {
-            DimensionReport::DimensionOk { witnesses, .. } => witnesses,
-            other => panic!("expected Ok at root_a, got {other:?}"),
-        };
-        let witnesses_b = match analyze_complexity(&dag, root_b) {
-            DimensionReport::DimensionOk { witnesses, .. } => witnesses,
-            other => panic!("expected Ok at root_b, got {other:?}"),
-        };
-        assert!(
-            witnesses_a.len() < witnesses_b.len(),
-            "root `a`'s reachable spine ({}) must be strictly smaller than root `b`'s ({}); \
-             a wrapper that ignored the supplied root would return equal counts here",
-            witnesses_a.len(),
-            witnesses_b.len(),
-        );
-    }
-
-    /// E7 §test 1 (cross-check): `analyze_complexity.composed` matches
-    /// the lens folded table lookup [`symbolic_cost_lookup`] at the workflow root's port.
-    /// Confirms the wrapper preserves the lens contract.
-    #[test]
-    fn analyze_complexity_composed_matches_lens_at_workflow_root() {
-        let dag = cached_compile_to_dag("let z = 5 + 6", "e7_int_lens.v3");
-        let root = find_bind_root(&dag, "z");
-
-        let SymbolicCostLookup::Hit(lens_cost) =
-            symbolic_cost_lookup(&dag, &find_bind_port(&dag, "z"))
-        else {
-            panic!("lens authority must produce a Hit on a well-typed program");
-        };
-
-        let DimensionReport::DimensionOk {
-            composed,
-            dimension_name,
-            ..
-        } = analyze_complexity(&dag, root)
-        else {
-            panic!("expected DimensionOk on a well-typed program");
-        };
-        assert_eq!(composed, lens_cost);
-        assert_eq!(dimension_name, "symbolic_cost");
-    }
-
-    /// E7 §test 6 (integration form, success-path scope): the public
-    /// API preserves the typed `Witness<SymbolicCost>` envelope on
-    /// the `DimensionOk` arm — every witness is a typed enum
-    /// inhabitant the test pattern-matches without inspecting the
-    /// `reason` string. Typed-diagnostic discipline on the `Fail`
-    /// arm is pinned by the in-module `analyze_complexity_tests`
-    /// (`src/v3/compiler/src/dimension.rs`), which constructs
-    /// ghost-port DAGs via crate-private builders that the public
-    /// API surface here cannot reach (the surface compiler always
-    /// wires its outputs). This integration test confirms the public
-    /// API does not lose the typed envelope on the success path.
-    #[test]
-    fn analyze_complexity_public_api_preserves_typed_witness_envelope_on_ok() {
-        let dag = cached_compile_to_dag("let w = 7 + 8", "e7_int_typed.v3");
-        let root = find_bind_root(&dag, "w");
-
-        let DimensionReport::DimensionOk { witnesses, .. } = analyze_complexity(&dag, root) else {
-            panic!("expected DimensionOk for well-typed program");
-        };
-        // Each witness is a typed enum inhabitant; the test
-        // pattern-matches without ever inspecting the `reason` string
-        // (which is only present on the `Violates` arm anyway).
-        for witness in &witnesses {
-            // Exhaustive match on the typed Witness enum; both arms
-            // are acceptable inhabitants. `Violates.reason` is never
-            // string-parsed by this test.
-            match witness {
-                v3_compiler::Witness::Inhabits(_) => {}
-                v3_compiler::Witness::Violates { subject, .. } => {
-                    let _ = subject;
-                }
-            }
-        }
-    }
-}
-
-mod parse_stage4_prep {
-    use std::fs;
-    use std::path::{Path, PathBuf};
-
-    use v3_compiler::{parse_for_test, tokenize_for_test};
-
-    // SG-2 parser staging: corpus manifest snapshots the runtime parse surface
-    // (`parse_generated.rs` = `parse_surface.dag` carriers + `parse_parser_body.txt` algorithm)
-    // for structural parity — not a claim of full `.dag` parse-rule authority.
-    const PARSE_CORPUS_MANIFEST: &str = include_str!("integration/parse_corpus_manifest.txt");
-
-    fn compiler_root() -> PathBuf {
-        PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-    }
-
-    fn repo_root() -> PathBuf {
-        compiler_root()
-            .parent()
-            .and_then(Path::parent)
-            .and_then(Path::parent)
-            .expect("src/v3/compiler has repo-root ancestors")
-            .to_path_buf()
-    }
-
-    fn collect_rel_paths(dir: &Path, rel_prefix: &str, ext: &str) -> Vec<String> {
-        let mut entries: Vec<String> = fs::read_dir(dir)
-            .unwrap_or_else(|err| panic!("read_dir {} failed: {err}", dir.display()))
-            .map(|entry| {
-                entry.unwrap_or_else(|err| panic!("read_dir entry {} failed: {err}", dir.display()))
-            })
-            .map(|entry| entry.path())
-            .filter(|path| path.extension().and_then(|value| value.to_str()) == Some(ext))
-            .map(|path| {
-                let file_name = path
-                    .file_name()
-                    .and_then(|value| value.to_str())
-                    .expect("utf-8 fixture name");
-                format!("{rel_prefix}/{file_name}")
-            })
-            .collect();
-        entries.sort();
-        entries
-    }
-
-    fn parse_corpus_paths() -> Vec<String> {
-        let compiler_root = compiler_root();
-        // Keep the `dsl/std` subset aligned with the bootstrap fixtures
-        // loaded in `bootstrap_regen_fresh.rs::std_fixtures`; this prep
-        // harness is a snapshot of the incumbent parser over that
-        // bootstrap-facing corpus, not a claim that every
-        // `dsl/std/*.dag` file parses under v3 today.
-        let mut paths = vec![
-            "dsl/std/algebra.dag".to_string(),
-            "dsl/std/bit.dag".to_string(),
-            "dsl/std/float.dag".to_string(),
-            "dsl/std/integer.dag".to_string(),
-            "dsl/std/logic.dag".to_string(),
-            "dsl/std/magnitude.dag".to_string(),
-            "dsl/std/machine_constraints.dag".to_string(),
-            "dsl/std/nat.dag".to_string(),
-            "dsl/std/rational.dag".to_string(),
-            "dsl/std/string_type.dag".to_string(),
-            "dsl/std/types.dag".to_string(),
-        ];
-        paths.extend(collect_rel_paths(
-            &compiler_root.join("../std"),
-            "src/v3/std",
-            "dag",
-        ));
-        paths.extend(collect_rel_paths(
-            &compiler_root.join("../spec"),
-            "src/v3/spec",
-            "dag",
-        ));
-        paths.extend(collect_rel_paths(&compiler_root, "src/v3/compiler", "dag"));
-        paths.extend(collect_rel_paths(
-            &compiler_root.join("tests/four_fixture_pressure"),
-            "src/v3/compiler/tests/four_fixture_pressure",
-            "v3",
-        ));
-        paths.sort();
-        paths
-    }
-
-    fn fnv1a64(bytes: &[u8]) -> u64 {
-        let mut hash = 0xcbf29ce484222325_u64;
-        for &byte in bytes {
-            hash ^= u64::from(byte);
-            hash = hash.wrapping_mul(0x100000001b3);
-        }
-        hash
-    }
-
-    fn render_surface(path: &str) -> (usize, usize, u64) {
-        let source = fs::read_to_string(repo_root().join(path))
-            .unwrap_or_else(|err| panic!("read fixture `{path}` failed: {err}"));
-        let tokens = tokenize_for_test(&source, path)
-            .unwrap_or_else(|diag| panic!("tokenize `{path}` failed: {diag:?}"));
-        let surface = parse_for_test(&tokens, path)
-            .unwrap_or_else(|diag| panic!("parse `{path}` failed: {diag:?}"));
-        let rendered = format!("{surface:#?}");
-        (
-            surface.items.len(),
-            rendered.len(),
-            fnv1a64(rendered.as_bytes()),
-        )
-    }
-
-    fn render_manifest() -> String {
-        let mut rendered = String::from(
-            "# AUTO-GENERATED by `cargo test -p v3-compiler refresh_handwritten_parse_snapshot_manifest -- --ignored`\n\
-             # SG-2 parser staging: snapshots generated-parser surface output over the parse corpus.\n\
-             # path\\titems\\tdebug_bytes\\tfnv1a64\n",
-        );
-        for path in parse_corpus_paths() {
-            let (items, debug_bytes, hash) = render_surface(&path);
-            rendered.push_str(&format!("{path}\t{items}\t{debug_bytes}\t{hash:016x}\n"));
-        }
-        rendered
-    }
-
-    fn parse_file(source: &str, name: &str) {
-        let tokens = tokenize_for_test(source, name)
-            .unwrap_or_else(|diag| panic!("tokenize {name} failed: {diag:?}"));
-        let _module = parse_for_test(&tokens, name)
-            .unwrap_or_else(|diag| panic!("parse {name} failed: {diag:?}"));
-    }
-
-    #[test]
-    fn handwritten_parse_snapshot_matches_manifest() {
-        assert_eq!(render_manifest(), PARSE_CORPUS_MANIFEST);
-    }
-
-    #[test]
-    #[ignore = "helper to refresh parse_corpus_manifest.txt after intentional handwritten parser changes"]
-    fn refresh_handwritten_parse_snapshot_manifest() {
-        let manifest_path = compiler_root()
-            .join("tests")
-            .join("integration")
-            .join("parse_corpus_manifest.txt");
-        fs::write(&manifest_path, render_manifest())
-            .unwrap_or_else(|err| panic!("write {} failed: {err}", manifest_path.display()));
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_logic_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/logic.dag"),
-            "dsl/std/logic.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_bit_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/bit.dag"),
-            "dsl/std/bit.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_algebra_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/algebra.dag"),
-            "dsl/std/algebra.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_types_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/types.dag"),
-            "dsl/std/types.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_patterns_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/patterns.dag"),
-            "dsl/std/patterns.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_integer_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/integer.dag"),
-            "dsl/std/integer.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_rational_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/rational.dag"),
-            "dsl/std/rational.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_magnitude_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/magnitude.dag"),
-            "dsl/std/magnitude.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_machine_constraints_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/machine_constraints.dag"),
-            "dsl/std/machine_constraints.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_cache_identity_dag() {
-        // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** explicit
-        // deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-        // `pb_rust_tests_outside_residual_zero`; narrow parser smoke for `std.cache_identity`
-        // (P2 dup-authority substrate) until T-PB-B hand-Rust test floor reaches zero.
-        parse_file(
-            include_str!("../../../../dsl/std/cache_identity.dag"),
-            "dsl/std/cache_identity.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_cpu_dag() {
-        // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** explicit
-        // deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-        // `pb_rust_tests_outside_residual_zero`; narrow parser smoke for `std.cpu` /
-        // `std.cpu.types` / `extdeps.cpu.ampere` (CPU concept + vendor catalog; P-CF supply authority)
-        // until T-PB-B hand-Rust test floor reaches zero.
-        // Self-Generation-0: no new hand-Rust path; `src/v3/compiler/tests/integration.rs` is already in
-        // `self_gen0_census_test.rs` `EXPECTED_HAND_AUTHORED_TEST` — path count unchanged (N→N);
-        // this adds one `#[test]` fn only, same pattern as
-        // `handwritten_parser_accepts_cache_interface_dag` below.
-        parse_file(
-            include_str!("../../../../dsl/std/cpu.dag"),
-            "dsl/std/cpu.dag",
-        );
-        parse_file(
-            include_str!("../../../../dsl/std/cpu/types.dag"),
-            "dsl/std/cpu/types.dag",
-        );
-        parse_file(
-            include_str!("../../../../dsl/extdeps/cpu/ampere.dag"),
-            "dsl/extdeps/cpu/ampere.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_memory_dag() {
-        // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** explicit
-        // deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-        // `pb_rust_tests_outside_residual_zero`; narrow parser smoke for `std.memory` /
-        // SK Hynix DIMM catalog until T-PB-B hand-Rust test floor reaches zero.
-        // Self-Generation-0: no new hand-Rust path; `src/v3/compiler/tests/integration.rs` is already in
-        // `self_gen0_census_test.rs` `EXPECTED_HAND_AUTHORED_TEST` — path count unchanged (N→N);
-        // this adds one `#[test]` fn only, same pattern as `handwritten_parser_accepts_cpu_dag`.
-        parse_file(
-            include_str!("../../../../dsl/std/memory.dag"),
-            "dsl/std/memory.dag",
-        );
-        parse_file(
-            include_str!("../../../../dsl/std/memory/types.dag"),
-            "dsl/std/memory/types.dag",
-        );
-        parse_file(
-            include_str!("../../../../dsl/extdeps/memory/sk_hynix.dag"),
-            "dsl/extdeps/memory/sk_hynix.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_hetzner_cloud_dag() {
-        // P5 receipt: extdeps.cloud.hetzner catalog authority for compute_fabric CAX41 supply.
-        parse_file(
-            include_str!("../../../../dsl/extdeps/cloud/hetzner.dag"),
-            "dsl/extdeps/cloud/hetzner.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_compute_fabric_dag() {
-        // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** explicit
-        // deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-        // `pb_rust_tests_outside_residual_zero`; Worksheet A §2 parser gate
-        // (`docs/planning/v4-elastic-compute-fabric-worksheet-2026-05-30.md`) until T-PB-B
-        // hand-Rust test floor reaches zero.
-        parse_file(
-            include_str!("../../../../dsl/product/compute_fabric.dag"),
-            "dsl/product/compute_fabric.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_cache_interface_dag() {
-        // P5 receipt (Dispatch-Discipline (b) deferral): Worksheet B gate P-CI-TYPE —
-        // `docs/planning/v4-elastic-cache-interface-worksheet-2026-05-30.md` §2 Parser gates.
-        // Self-Generation-0: no new hand-Rust path; `src/v3/compiler/tests/integration.rs` is already in
-        // `self_gen0_census_test.rs` `EXPECTED_HAND_AUTHORED_TEST` (line ~421) — path count
-        // unchanged (N→N); this adds one `#[test]` fn only, same pattern as
-        // `handwritten_parser_accepts_gunbc_digest_render_dag` below.
-        parse_file(
-            include_str!("../../../../dsl/std/cache_interface.dag"),
-            "dsl/std/cache_interface.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_nat_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/nat.dag"),
-            "dsl/std/nat.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_float_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/float.dag"),
-            "dsl/std/float.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_string_type_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/string_type.dag"),
-            "dsl/std/string_type.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_process_algebra_dag() {
-        parse_file(
-            include_str!("../../../../dsl/std/process_algebra.dag"),
-            "dsl/std/process_algebra.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_v3_list_dag() {
-        parse_file(include_str!("../../std/list.dag"), "src/v3/std/list.dag");
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_v3_verification_dag() {
-        parse_file(
-            include_str!("../../std/verification.dag"),
-            "src/v3/std/verification.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_v3_effects_dag() {
-        parse_file(
-            include_str!("../../std/effects.dag"),
-            "src/v3/std/effects.dag",
-        );
-    }
-
-    #[test]
-    fn handwritten_parser_accepts_gunbc_digest_render_dag() {
-        // P5 receipt: this Rust harness is a narrow parser-acceptance consumer
-        // for the new `.dag` authority file. It does not introduce semantic
-        // authority; it keeps the Phase-3 render projection loadable until the
-        // parser corpus is generated from structural declarations.
-        parse_file(
-            include_str!("../../../../dsl/gunbc/digest_render.dag"),
-            "dsl/gunbc/digest_render.dag",
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/anthropic_messages_callable_test.rs b/src/v3/compiler/tests/integration/anthropic_messages_callable_test.rs
deleted file mode 100644
index 581b0d08c54..00000000000
--- a/src/v3/compiler/tests/integration/anthropic_messages_callable_test.rs
+++ /dev/null
@@ -1,221 +0,0 @@
-//! **Layer:** integration
-//!
-//! T-Substrate-AnthropicMessagesCallable shape ratchet.
-//!
-//! Pins the `fn anthropic_messages` declaration in
-//! `src/v3/std/anthropic_messages.dag` so PR-β can rebase against a
-//! stable callable target via `CallableRef.decl`. Asserts:
-//!
-//! - The declaration resolves in the full bootstrap and is `Arrow`-shaped.
-//! - Parameter labels and types match the v3 mirror in
-//!   `v3.std.anthropic_schema` plus kernel `Secret` / `String` / `Int` /
-//!   `Float?` / `String?` for the primitives the v2 source carries.
-//! - Output type is `AnthropicMessages200Body` (the 200 response slot,
-//!   per the v2 `response { 200 => … }` row).
-//! - The declaration is acceptable as a `CallableRef` target, i.e.
-//!   `Operation.callable: CallableRef` with `decl` set to
-//!   `anthropic_messages`'s id resolves structurally (the field type
-//!   reach matches the substrate-level `DeclarationRef` admits-anything
-//!   policy that PR-β fixture load fail-closes against).
-//! - No `Operation` / `data anthropic_operations` row leaks here; that
-//!   stays Grounding-owned in PR-β.
-
-use v3_compiler::dag::{ArrowBody, Dag, DeclarationId, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn arrow_inputs_output(dag: &Dag, name: &str) -> (Vec<DeclarationId>, DeclarationId) {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Arrow { inputs, output, .. } => (inputs.clone(), *output),
-        other => panic!("`{name}` is not an Arrow: {other:?}"),
-    }
-}
-
-/// Reuse the same canonicalization rule as the schema-mirror lockstep:
-/// named declarations canonicalize as their surface name; anonymous
-/// `Cardinality(AtMostOne, T)` and `Instantiation { template, args }`
-/// unfold.
-fn canonical_ty(dag: &Dag, ty: DeclarationId) -> String {
-    let decl = dag.declaration(ty);
-    if let Some(name) = decl.name.as_deref() {
-        return name.to_string();
-    }
-    match &decl.connective {
-        TypeConnective::Cardinality(p) => format!("{}?", canonical_ty(dag, p.element())),
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let template_name = dag
-                .declaration(*template)
-                .name
-                .clone()
-                .unwrap_or_else(|| canonical_ty(dag, *template));
-            if arguments.is_empty() {
-                template_name
-            } else {
-                let args: Vec<String> = arguments
-                    .iter()
-                    .map(|a| canonical_ty(dag, a.value))
-                    .collect();
-                format!("{}<{}>", template_name, args.join(", "))
-            }
-        }
-        _ => "<anon>".to_string(),
-    }
-}
-
-#[test]
-fn anthropic_messages_is_arrow_shaped() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name("anthropic_messages")
-        .expect("`anthropic_messages` missing from full bootstrap");
-    assert!(
-        matches!(decl.connective, TypeConnective::Arrow { .. }),
-        "`anthropic_messages` must be `Arrow`-shaped so `CallableRef.decl` \
-         can target an actual callable signature, not a `data` row or a \
-         type alias. Got: {:?}",
-        decl.connective
-    );
-}
-
-#[test]
-fn anthropic_messages_parameter_types_match_v2_source_via_v3_mirror() {
-    // Expected canonical parameter types in declaration order. These
-    // mirror `dsl/extdeps/llm/anthropic.dag:182-187` modulo the two
-    // documented honesty-preserving simplifications:
-    //   - `max_tokens: Int` (v2 `Int = 4096`; v3 has no parameter
-    //     defaults — the default is a caller-side fold, not a v3
-    //     callable contract change).
-    //   - return is the 200 body only (`AnthropicMessages200Body`);
-    //     error responses are PR-β's response/wire lockstep concern.
-    let dag = generated_full_bootstrap_dag();
-    let (inputs, _output) = arrow_inputs_output(&dag, "anthropic_messages");
-    let actual: Vec<String> = inputs.iter().map(|id| canonical_ty(&dag, *id)).collect();
-    let expected: Vec<&str> = vec![
-        "Secret",
-        "String",
-        "List<AnthropicChatMessage>",
-        "Int",
-        "Float?",
-        "String?",
-    ];
-    assert_eq!(
-        actual,
-        expected.iter().map(|s| s.to_string()).collect::<Vec<_>>(),
-        "anthropic_messages parameter types diverged from the v2 \
-         operation Messages signature."
-    );
-}
-
-#[test]
-fn anthropic_messages_returns_anthropic_messages_200_body() {
-    let dag = generated_full_bootstrap_dag();
-    let (_inputs, output) = arrow_inputs_output(&dag, "anthropic_messages");
-    let output_canonical = canonical_ty(&dag, output);
-    assert_eq!(
-        output_canonical, "AnthropicMessages200Body",
-        "anthropic_messages must return `AnthropicMessages200Body` \
-         (the v2 `response 200 =>` slot from \
-         `dsl/extdeps/llm/anthropic.dag`). Error-response carriers are \
-         deferred to PR-β's response/wire lockstep lane."
-    );
-}
-
-#[test]
-fn anthropic_messages_is_acceptable_callable_ref_target() {
-    // `CallableRef { decl: DeclarationRef }` — `DeclarationRef` admits
-    // any declaration at the substrate level (the same #1175 residual
-    // `MethodRef` carries). The PR-β fixture-load boundary check that
-    // every `Operation.callable.decl` resolves to an `Arrow`-shaped
-    // declaration (the actual callable contract) is what this test
-    // pre-validates: `anthropic_messages` IS an Arrow with a non-empty
-    // input list and a typed output, which is the property PR-β's
-    // fail-closed boundary will verify.
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name("anthropic_messages")
-        .expect("`anthropic_messages` missing from full bootstrap");
-    let (inputs, output) = match &decl.connective {
-        TypeConnective::Arrow { inputs, output, .. } => (inputs, *output),
-        other => panic!("`anthropic_messages` is not an Arrow: {other:?}"),
-    };
-    assert!(
-        !inputs.is_empty(),
-        "callable target for `Operation.callable.decl` must carry the \
-         operation's input list — anthropic_messages with empty inputs \
-         is structurally unfit."
-    );
-    let output_decl = dag.declaration(output);
-    assert!(
-        output_decl.name.is_some(),
-        "callable output should resolve to a named declaration, so PR-β \
-         lockstep against the response/wire lane has a real type to \
-         project. Got anonymous output: {:?}",
-        output_decl.connective
-    );
-}
-
-#[test]
-fn anthropic_messages_body_is_unparsed() {
-    // The `host anthropic_messages` body lowers as
-    // `ArrowBody::Unparsed(span)` in the bootstrap, not as
-    // `ExternalRealization` / `UserDefined` / `NoBody` / `Pending`.
-    // The pipeline-stage `host parse` / `host lower` patch
-    // (`bootstrap.rs:256`) is pipeline-specific; service-operation
-    // callables don't have an equivalent and don't get one in this
-    // PR (per #1130 dispatch — no producerless realization carrier).
-    // Pinning the actual body class makes the substrate fact match the
-    // file header's prose; a silent rewrite in either direction would
-    // fail closed here.
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name("anthropic_messages")
-        .expect("`anthropic_messages` missing from full bootstrap");
-    let body = match &decl.connective {
-        TypeConnective::Arrow { body, .. } => body,
-        other => panic!("`anthropic_messages` is not an Arrow: {other:?}"),
-    };
-    assert!(
-        matches!(body, ArrowBody::Unparsed(_)),
-        "`anthropic_messages` body must be `ArrowBody::Unparsed(...)` in \
-         this slice (the honest substrate state for `host anthropic_messages` \
-         without a service-operation realization patch). Got: {body:?}. \
-         If this rewrites to `ExternalRealization`, that means a producerless \
-         realization carrier landed — re-validate against the #1130 dispatch \
-         before relaxing this ratchet."
-    );
-}
-
-#[test]
-fn anthropic_messages_dag_authors_no_operation_rows() {
-    // The `Operation` row that closes the callable-to-source-identity
-    // edge (`callable: { decl: anthropic_messages }, inputs: …,
-    // endpoint: { method: POST, path: parse_path_template("/v1/messages"), … }`)
-    // is Grounding-owned PR-β work in a sibling
-    // `src/v3/std/anthropic_operations.dag`. Reject any `data` row
-    // landing in `anthropic_messages.dag` (which would mean a
-    // producerless `Operation` row or other parallel-surface scaffold
-    // leaked here).
-    let dag = generated_full_bootstrap_dag();
-    let leaks: Vec<String> = dag
-        .declarations()
-        .iter()
-        .filter(|d| d.span.file == "src/v3/std/anthropic_messages.dag")
-        .filter(|d| d.value_body.is_some())
-        .map(|d| {
-            d.name
-                .clone()
-                .unwrap_or_else(|| format!("DeclarationId({:?})", d.id))
-        })
-        .collect();
-    assert!(
-        leaks.is_empty(),
-        "anthropic_messages.dag is callable-decl authority only; no \
-         `data` rows allowed. PR-β authors operation rows in a sibling \
-         file. Found: {leaks:?}."
-    );
-}
diff --git a/src/v3/compiler/tests/integration/anthropic_messages_wire_demo_test.rs b/src/v3/compiler/tests/integration/anthropic_messages_wire_demo_test.rs
deleted file mode 100644
index 9f6e06694bb..00000000000
--- a/src/v3/compiler/tests/integration/anthropic_messages_wire_demo_test.rs
+++ /dev/null
@@ -1,350 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #68 (`anthropic_wire_demonstration`): hermetic Anthropic
-//! Messages request/response cycle against a deterministic mock.
-//!
-//! This deliberately does not call the live Anthropic API. The gate is
-//! the typed wire cycle: construct a request with the same field surface
-//! as `fn anthropic_messages`, serialize it to the REST body shape from
-//! `dsl/extdeps/llm/anthropic.dag`, feed a deterministic mock 200 body
-//! through the typed response mirror, and assert the projected result.
-
-use serde::{Deserialize, Serialize};
-use serde_json::json;
-use v3_compiler::dag::{Dag, DeclarationId, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
-#[serde(rename_all = "snake_case")]
-enum RequestRole {
-    User,
-    Assistant,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
-#[serde(tag = "type", rename_all = "snake_case")]
-enum RequestContentBlock {
-    Text { text: String },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Serialize)]
-struct RequestMessage {
-    role: RequestRole,
-    content: Vec<RequestContentBlock>,
-}
-
-#[derive(Debug, Clone, PartialEq, Serialize)]
-struct AnthropicMessagesRequest {
-    model: String,
-    messages: Vec<RequestMessage>,
-    max_tokens: i64,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    temperature: Option<f64>,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    system: Option<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Deserialize, Serialize)]
-#[serde(rename_all = "snake_case")]
-enum ResponseRole {
-    Assistant,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
-#[serde(rename_all = "snake_case")]
-enum StopReason {
-    EndTurn,
-    MaxTokens,
-    StopSequence,
-    ToolUse,
-    PauseTurn,
-    Refusal,
-    ModelContextWindowExceeded,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
-#[serde(tag = "type", rename_all = "snake_case")]
-enum ResponseContentBlock {
-    Text { text: String },
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
-#[serde(rename_all = "snake_case")]
-enum ServiceTier {
-    Standard,
-    Priority,
-    Batch,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
-struct Usage {
-    input_tokens: i64,
-    output_tokens: i64,
-    service_tier: Option<ServiceTier>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Deserialize)]
-struct AnthropicMessages200Body {
-    id: String,
-    #[serde(rename = "type")]
-    body_type: String,
-    role: ResponseRole,
-    content: Vec<ResponseContentBlock>,
-    model: String,
-    stop_reason: StopReason,
-    stop_sequence: Option<String>,
-    usage: Usage,
-}
-
-fn canonical_ty(dag: &Dag, ty: DeclarationId) -> String {
-    let decl = dag.declaration(ty);
-    if let Some(name) = decl.name.as_deref() {
-        return name.to_string();
-    }
-    match &decl.connective {
-        TypeConnective::Cardinality(p) => format!("{}?", canonical_ty(dag, p.element())),
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let template_name = dag
-                .declaration(*template)
-                .name
-                .clone()
-                .unwrap_or_else(|| canonical_ty(dag, *template));
-            if arguments.is_empty() {
-                template_name
-            } else {
-                let args: Vec<String> = arguments
-                    .iter()
-                    .map(|a| canonical_ty(dag, a.value))
-                    .collect();
-                format!("{}<{}>", template_name, args.join(", "))
-            }
-        }
-        _ => "<anon>".to_string(),
-    }
-}
-
-fn anthropic_messages_signature(dag: &Dag) -> (Vec<String>, String) {
-    let decl = dag
-        .declaration_by_name("anthropic_messages")
-        .expect("`anthropic_messages` missing from full bootstrap");
-    let TypeConnective::Arrow { inputs, output, .. } = &decl.connective else {
-        panic!(
-            "`anthropic_messages` must be Arrow-shaped; got {:?}",
-            decl.connective
-        );
-    };
-    (
-        inputs.iter().map(|id| canonical_ty(dag, *id)).collect(),
-        canonical_ty(dag, *output),
-    )
-}
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-#[test]
-fn anthropic_messages_demo_projection_is_locked_to_modeled_dag_surface() {
-    let dag = generated_full_bootstrap_dag();
-
-    let body_fields = conj_field_labels(&dag, "AnthropicMessages200Body");
-    for field in [
-        "id",
-        "type",
-        "role",
-        "content",
-        "model",
-        "stop_reason",
-        "stop_sequence",
-        "usage",
-    ] {
-        assert!(
-            body_fields.iter().any(|actual| actual == field),
-            "demo response projection field `{field}` must exist on AnthropicMessages200Body"
-        );
-    }
-
-    let usage_fields = conj_field_labels(&dag, "AnthropicMessages200Usage");
-    for field in ["input_tokens", "output_tokens", "service_tier"] {
-        assert!(
-            usage_fields.iter().any(|actual| actual == field),
-            "demo usage projection field `{field}` must exist on AnthropicMessages200Usage"
-        );
-    }
-    assert_eq!(
-        disj_variant_labels(&dag, "AnthropicMessages200ServiceTier"),
-        vec!["Standard", "Priority", "Batch"],
-        "demo response usage tier must stay locked to AnthropicMessages200ServiceTier"
-    );
-
-    assert_eq!(
-        disj_variant_labels(&dag, "AnthropicMessages200Role"),
-        vec!["Assistant"],
-        "demo response role enum must stay locked to the modeled response role"
-    );
-    assert_eq!(
-        disj_variant_labels(&dag, "AnthropicStopReason"),
-        vec![
-            "EndTurn",
-            "MaxTokens",
-            "StopSequence",
-            "ToolUse",
-            "PauseTurn",
-            "Refusal",
-            "ModelContextWindowExceeded",
-        ],
-        "demo stop-reason enum must stay locked to AnthropicStopReason"
-    );
-    assert!(
-        disj_variant_labels(&dag, "AnthropicMessages200ContentBlock")
-            .iter()
-            .any(|variant| variant == "MessagesTextBlock"),
-        "demo text response block must be backed by the modeled MessagesTextBlock variant"
-    );
-}
-
-#[test]
-fn anthropic_messages_typed_wire_cycle_executes_against_deterministic_mock() {
-    let dag = generated_full_bootstrap_dag();
-    let (inputs, output) = anthropic_messages_signature(&dag);
-    assert_eq!(
-        inputs,
-        vec![
-            "Secret",
-            "String",
-            "List<AnthropicChatMessage>",
-            "Int",
-            "Float?",
-            "String?",
-        ],
-        "demo request must stay aligned to the typed anthropic_messages input surface"
-    );
-    assert_eq!(
-        output, "AnthropicMessages200Body",
-        "demo response must stay aligned to the typed 200 response mirror"
-    );
-
-    let request = AnthropicMessagesRequest {
-        model: "claude-3-5-sonnet-latest".to_string(),
-        messages: vec![RequestMessage {
-            role: RequestRole::User,
-            content: vec![RequestContentBlock::Text {
-                text: "Reply with the deterministic token.".to_string(),
-            }],
-        }],
-        max_tokens: 16,
-        temperature: Some(0.0),
-        system: Some("Use the mock transcript exactly.".to_string()),
-    };
-
-    let body = serde_json::to_value(&request).expect("request serializes");
-    assert_eq!(
-        body,
-        json!({
-            "model": "claude-3-5-sonnet-latest",
-            "messages": [{
-                "role": "user",
-                "content": [{
-                    "type": "text",
-                    "text": "Reply with the deterministic token."
-                }]
-            }],
-            "max_tokens": 16,
-            "temperature": 0.0,
-            "system": "Use the mock transcript exactly."
-        }),
-        "request body must match the Anthropic Messages REST body shape"
-    );
-
-    let mock_response = json!({
-        "id": "msg_mock_01",
-        "type": "message",
-        "role": "assistant",
-        "content": [{
-            "type": "text",
-            "text": "deterministic-token"
-        }],
-        "model": "claude-3-5-sonnet-latest",
-        "stop_reason": "end_turn",
-        "stop_sequence": null,
-        "usage": {
-            "input_tokens": 11,
-            "output_tokens": 3,
-            "cache_creation_input_tokens": null,
-            "cache_read_input_tokens": null,
-            "service_tier": "priority"
-        },
-        "container": null
-    });
-
-    let typed: AnthropicMessages200Body =
-        serde_json::from_value(mock_response).expect("mock 200 body deserializes");
-    assert_eq!(typed.role, ResponseRole::Assistant);
-    assert_eq!(typed.stop_reason, StopReason::EndTurn);
-    assert_eq!(typed.usage.input_tokens, 11);
-    assert_eq!(typed.usage.output_tokens, 3);
-    assert_eq!(typed.usage.service_tier, Some(ServiceTier::Priority));
-    assert_eq!(
-        typed.content,
-        vec![ResponseContentBlock::Text {
-            text: "deterministic-token".to_string()
-        }],
-        "typed response projection should recover the deterministic mock text"
-    );
-}
-
-#[test]
-fn anthropic_messages_wire_demo_is_hermetic() {
-    assert_eq!(
-        serde_json::to_value(RequestRole::Assistant).expect("assistant role serializes"),
-        json!("assistant"),
-        "assistant request role must serialize to the Anthropic wire string"
-    );
-    assert_eq!(
-        serde_json::to_value(ResponseRole::Assistant).expect("response role serializes"),
-        json!("assistant"),
-        "unit response role must serialize to the Anthropic wire string, not an object"
-    );
-
-    let request = AnthropicMessagesRequest {
-        model: "claude-3-5-sonnet-latest".to_string(),
-        messages: vec![RequestMessage {
-            role: RequestRole::User,
-            content: vec![RequestContentBlock::Text {
-                text: "No network is used.".to_string(),
-            }],
-        }],
-        max_tokens: 8,
-        temperature: None,
-        system: None,
-    };
-
-    let body = serde_json::to_value(&request).expect("request serializes");
-    assert!(
-        body.get("api_key").is_none(),
-        "API credentials must not enter the JSON body; auth stays outside the deterministic mock"
-    );
-    assert!(
-        body.get("temperature").is_none() && body.get("system").is_none(),
-        "optional request fields should be omitted when absent"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/anthropic_operations_test.rs b/src/v3/compiler/tests/integration/anthropic_operations_test.rs
deleted file mode 100644
index ba73a1f2bc1..00000000000
--- a/src/v3/compiler/tests/integration/anthropic_operations_test.rs
+++ /dev/null
@@ -1,353 +0,0 @@
-//! **Layer:** integration
-//!
-//! Acceptance for `anthropic_operations: List<Operation>` substrate fixture
-//! at `src/v3/std/anthropic_operations.dag` (T-Ground services.dag PR-β
-//! Phase 1 pilot; mirrors the #1195 `MethodTemplateContract` Phase 1
-//! pattern). Validates:
-//!
-//! 1. The fixture lowers as `ValueBody::List` (not `Unparsed` —
-//!    post-#1195/#1196 regression-class lesson).
-//! 2. `Operation.callable.decl` ids are unique within the list (the
-//!    structural invariant analogous to `dag_method` uniqueness in
-//!    `method_template_contract_per_target_dag_method_unique`; pivot
-//!    from `name` to `callable.decl` per #1246's structural decision
-//!    that `Operation` doesn't carry a parallel display-name field).
-//! 3. The expected pilot row is present and resolves through
-//!    `callable.decl` to the `anthropic_messages` callable from #1266
-//!    at `src/v3/std/anthropic_messages.dag` — lockstep with the v2
-//!    source of truth at `dsl/extdeps/llm/anthropic.dag:180-203`.
-//!    Endpoint shape: POST /v1/messages (LiteralToken("v1") +
-//!    LiteralToken("messages")).
-//! 4. Every `ParamToken.name` from the path template resolves into the
-//!    operation's input-field map. The walk + assertion are wired
-//!    structurally; vacuous for `/v1/messages` (zero `ParamToken`s)
-//!    AND for the empty-input Phase 1 Messages row, but rows added
-//!    later (provider operations with path-template variables AND
-//!    populated inputs once the parser-grammar extension lands)
-//!    inherit the discipline by construction without test rewrite.
-//!
-//! Input-keys lockstep parity check is **deferred** for the Messages
-//! pilot: `Operation.inputs` is `{}` until Substrate's parser-grammar
-//! extension supports nested `Map<String, X>` literals as record
-//! field values (per `anthropic_operations.dag` header EXPLICIT
-//! DEFERRAL §1 + #1133 inbox 4353126932). Re-asserts on Phase 1.5+
-//! row-fill cycle.
-
-use std::collections::HashSet;
-use v3_compiler::dag::{Dag, DeclarationId, FieldValue, TypeConnective, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-
-const ANTHROPIC_OPERATIONS: &str = "anthropic_operations";
-
-/// Resolve a `Variant.constructor` DeclarationId to the variant's
-/// **structural** label by consulting the parent sum's `Disj.variants`
-/// list — NOT by reading `Declaration.name` on the constructor decl
-/// (which is a bolted-on convenience that may drift from the
-/// declared-variant authority). The Disj's variants list IS the
-/// single-authority for variant-label-to-constructor mapping.
-fn variant_label_in_parent(dag: &Dag, parent_name: &str, constructor: DeclarationId) -> String {
-    let parent = dag
-        .declaration_by_name(parent_name)
-        .unwrap_or_else(|| panic!("expected parent sum `{parent_name}` missing from bootstrap"));
-    let TypeConnective::Disj { variants } = &parent.connective else {
-        panic!(
-            "`{parent_name}` is not a Disj sum; cannot resolve variant labels: {:?}",
-            parent.connective
-        );
-    };
-    variants
-        .iter()
-        .find(|v| v.ty == constructor)
-        .map(|v| v.label.clone())
-        .unwrap_or_else(|| {
-            panic!(
-                "constructor `DeclarationId({})` is not a variant of `{parent_name}`; \
-                 declared variants: {:?}",
-                constructor.raw(),
-                variants.iter().map(|v| &v.label).collect::<Vec<_>>()
-            )
-        })
-}
-
-fn list_value_body<'a>(dag: &'a Dag, name: &str) -> &'a Vec<FieldValue> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    let body = decl
-        .value_body
-        .as_ref()
-        .unwrap_or_else(|| panic!("`{name}` has no value body — must be a `data` declaration"));
-    let ValueBody::List(rows) = body else {
-        panic!(
-            "`{name}` value body must be `ValueBody::List` (declared as \
-             `List<Operation>`); got {body:?}"
-        );
-    };
-    rows
-}
-
-fn record_field<'a>(fields: &'a [(String, FieldValue)], label: &str) -> &'a FieldValue {
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .map(|(_, v)| v)
-        .unwrap_or_else(|| panic!("missing `{label}` field; have {fields:?}"))
-}
-
-fn string_literal(value: &FieldValue) -> &str {
-    use v3_compiler::dag::LiteralBits;
-    match value {
-        FieldValue::Literal(LiteralBits::String(s)) => s.as_str(),
-        other => panic!("expected String literal; got {other:?}"),
-    }
-}
-
-/// Resolve `Operation.callable.decl` (the typed-edge into the
-/// callable-decl registry, per `services.dag:98-100` `CallableRef`
-/// shape) to the underlying DeclarationId. Used for uniqueness
-/// checks + pilot-row lookups; callable identity replaces the
-/// previously-modeled `name: String` field per #1246's structural
-/// decision (`Operation` doesn't carry a parallel display-name field).
-fn callable_decl_id(fields: &[(String, FieldValue)]) -> DeclarationId {
-    let callable = record_field(fields, "callable");
-    let FieldValue::Record(callable_fields) = callable else {
-        panic!("`callable` must be a `CallableRef` record; got {callable:?}");
-    };
-    let decl = record_field(callable_fields, "decl");
-    let FieldValue::Reference(id) = decl else {
-        panic!(
-            "`callable.decl` must be a `FieldValue::Reference(DeclarationId)` \
-             pointing at a top-level callable; got {decl:?}"
-        );
-    };
-    *id
-}
-
-#[test]
-fn anthropic_operations_lowers_as_list() {
-    let dag = generated_full_bootstrap_dag();
-    let _rows = list_value_body(&dag, ANTHROPIC_OPERATIONS);
-}
-
-#[test]
-fn anthropic_operations_callable_unique() {
-    let dag = generated_full_bootstrap_dag();
-    let rows = list_value_body(&dag, ANTHROPIC_OPERATIONS);
-
-    let mut seen: HashSet<DeclarationId> = HashSet::new();
-    for (idx, row) in rows.iter().enumerate() {
-        let FieldValue::Record(fields) = row else {
-            panic!(
-                "row {idx} in `{ANTHROPIC_OPERATIONS}` is not a `FieldValue::Record` — \
-                 every `Operation` row must be a record literal"
-            );
-        };
-        let id = callable_decl_id(fields);
-        assert!(
-            seen.insert(id),
-            "duplicate `callable.decl` ({}) in `{ANTHROPIC_OPERATIONS}` at row {idx}",
-            id.raw()
-        );
-    }
-}
-
-#[test]
-#[ignore = "Phase 1 pilot row deferred until Substrate's parser-grammar extension \
-            lands (nested Map<String, X> literals in record field-value position). \
-            Once anthropic_operations.dag's Messages row populates, drop the \
-            #[ignore] and re-arm; the assertions inside still match the post-#1246 \
-            shape (callable.decl == anthropic_messages, POST /v1/messages, \
-            empty/populated inputs)."]
-fn anthropic_operations_messages_pilot_present() {
-    let dag = generated_full_bootstrap_dag();
-    let rows = list_value_body(&dag, ANTHROPIC_OPERATIONS);
-
-    let anthropic_messages_id = dag
-        .declaration_by_name("anthropic_messages")
-        .expect("expected callable `anthropic_messages` (per #1266) missing from full bootstrap")
-        .id;
-
-    let messages = rows
-        .iter()
-        .find_map(|row| match row {
-            FieldValue::Record(fields) => {
-                if callable_decl_id(fields) == anthropic_messages_id {
-                    Some(fields)
-                } else {
-                    None
-                }
-            }
-            _ => None,
-        })
-        .expect(
-            "Messages operation pilot row (callable.decl == anthropic_messages) missing from \
-             anthropic_operations",
-        );
-
-    // Endpoint check: method=POST, path=/v1/messages (LiteralToken("v1") +
-    // LiteralToken("messages")). Lockstep with v2 source of truth at
-    // dsl/extdeps/llm/anthropic.dag:194-200.
-    let endpoint = record_field(messages, "endpoint");
-    let FieldValue::Record(endpoint_fields) = endpoint else {
-        panic!("`endpoint` field must be a record; got {endpoint:?}");
-    };
-
-    let method = record_field(endpoint_fields, "method");
-    let FieldValue::Variant { constructor, .. } = method else {
-        panic!("`endpoint.method` must be a `HttpMethod` variant; got {method:?}");
-    };
-    let method_label = variant_label_in_parent(&dag, "HttpMethod", *constructor);
-    assert_eq!(
-        method_label, "POST",
-        "Messages endpoint method must be POST (per anthropic.dag:197); got `{method_label}`"
-    );
-
-    let path = record_field(endpoint_fields, "path");
-    let FieldValue::Record(path_fields) = path else {
-        panic!("`endpoint.path` must be a `PathTemplate` record; got {path:?}");
-    };
-    let tokens = record_field(path_fields, "tokens");
-    let FieldValue::List(token_list) = tokens else {
-        panic!("`endpoint.path.tokens` must be a List; got {tokens:?}");
-    };
-    let token_texts: Vec<String> = token_list
-        .iter()
-        .map(|token| {
-            let FieldValue::Variant {
-                constructor,
-                payload,
-            } = token
-            else {
-                panic!("expected UrlPathToken variant; got {token:?}");
-            };
-            // Assert the constructor IS LiteralToken before extracting text.
-            // Resolution goes through the parent `UrlPathToken` Disj's
-            // `variants` list — the structural single-authority.
-            let variant_label = variant_label_in_parent(&dag, "UrlPathToken", *constructor);
-            assert_eq!(
-                variant_label, "LiteralToken",
-                "Messages endpoint path must contain only LiteralToken \
-                 variants (per anthropic.dag:198 `/v1/messages` literal segments); \
-                 got `{variant_label}` token"
-            );
-            assert_eq!(
-                payload.len(),
-                1,
-                "LiteralToken payload must carry one field; got {payload:?}"
-            );
-            // LiteralToken { text: String } — payload[0] is the text record/field.
-            // The variant payload encoding may vary; accept either a direct String
-            // literal or a single-field Record { text: <String> }.
-            match &payload[0] {
-                FieldValue::Literal(_) => string_literal(&payload[0]).to_string(),
-                FieldValue::Record(inner) => {
-                    string_literal(record_field(inner, "text")).to_string()
-                }
-                other => panic!("unexpected LiteralToken payload shape: {other:?}"),
-            }
-        })
-        .collect();
-    assert_eq!(
-        token_texts,
-        vec!["v1".to_string(), "messages".to_string()],
-        "Messages endpoint path must be /v1/messages (per anthropic.dag:198); \
-         got tokens {token_texts:?}"
-    );
-
-    // Inputs check: empty for the Phase 1 Messages pilot (parser-grammar
-    // gap defers populated input-keys map; see anthropic_operations.dag
-    // EXPLICIT DEFERRAL §1). When Substrate's parser-grammar extension
-    // lands, the row's `inputs` populates and this assertion grows to
-    // re-establish v2-parity input-key set per anthropic.dag:183-189.
-    let inputs = record_field(messages, "inputs");
-    let FieldValue::Map(input_map) = inputs else {
-        panic!("`inputs` must be a `Map<String, InputField>`; got {inputs:?}");
-    };
-    assert!(
-        input_map.entries().is_empty(),
-        "Messages `inputs` must be empty for the Phase 1 pilot (parser-grammar gap \
-         defers nested-map literals). Once Substrate's parser extension lands, \
-         populate this row + grow the assertion to v2-parity keys. Got {} entries: {:?}",
-        input_map.entries().len(),
-        input_map
-            .entries()
-            .iter()
-            .map(|(k, _)| k)
-            .collect::<Vec<_>>()
-    );
-}
-
-/// Boundary check: every `ParamToken.name` token in every operation's
-/// path template MUST resolve to a key in that operation's
-/// `inputs: Map<String, InputField>`. Vacuous on the Phase 1 pilot
-/// (`Messages` has zero `ParamToken`s — `/v1/messages` is pure
-/// literal segments — AND zero inputs pending parser-grammar
-/// extension), but the walk + assertion are wired so any future row
-/// carrying path-template variables AND populated inputs inherits
-/// the discipline without test rewrite.
-#[test]
-fn anthropic_operations_param_tokens_resolve_to_input_keys() {
-    let dag = generated_full_bootstrap_dag();
-    let rows = list_value_body(&dag, ANTHROPIC_OPERATIONS);
-
-    for (idx, row) in rows.iter().enumerate() {
-        let FieldValue::Record(fields) = row else {
-            panic!("row {idx} not a record");
-        };
-        let op_callable_id = callable_decl_id(fields);
-        let op_label = dag
-            .declaration(op_callable_id)
-            .name
-            .as_deref()
-            .map(str::to_string)
-            .unwrap_or_else(|| format!("DeclarationId({})", op_callable_id.raw()));
-
-        let inputs = record_field(fields, "inputs");
-        let FieldValue::Map(input_map) = inputs else {
-            panic!("`inputs` must be a Map; got {inputs:?}");
-        };
-        let input_keys: HashSet<&str> = input_map
-            .entries()
-            .iter()
-            .map(|(k, _)| k.as_str())
-            .collect();
-
-        let endpoint = record_field(fields, "endpoint");
-        let FieldValue::Record(endpoint_fields) = endpoint else {
-            panic!("`endpoint` must be a record");
-        };
-        let path = record_field(endpoint_fields, "path");
-        let FieldValue::Record(path_fields) = path else {
-            panic!("`path` must be a PathTemplate record");
-        };
-        let tokens = record_field(path_fields, "tokens");
-        let FieldValue::List(token_list) = tokens else {
-            panic!("`path.tokens` must be a List");
-        };
-
-        for (tidx, token) in token_list.iter().enumerate() {
-            let FieldValue::Variant {
-                constructor,
-                payload,
-            } = token
-            else {
-                panic!("path token {tidx} must be a UrlPathToken variant; got {token:?}");
-            };
-            let variant_label = variant_label_in_parent(&dag, "UrlPathToken", *constructor);
-            if variant_label == "ParamToken" {
-                let name = match payload.first() {
-                    Some(FieldValue::Literal(_)) => string_literal(&payload[0]).to_string(),
-                    Some(FieldValue::Record(inner)) => {
-                        string_literal(record_field(inner, "name")).to_string()
-                    }
-                    other => panic!("unexpected ParamToken payload: {other:?}"),
-                };
-                assert!(
-                    input_keys.contains(name.as_str()),
-                    "operation `{op_label}` path token {tidx} `ParamToken({name})` does \
-                     not resolve to an input field key; have {input_keys:?}"
-                );
-            }
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/anthropic_schema_lockstep_test.rs b/src/v3/compiler/tests/integration/anthropic_schema_lockstep_test.rs
deleted file mode 100644
index ef9426dcf3f..00000000000
--- a/src/v3/compiler/tests/integration/anthropic_schema_lockstep_test.rs
+++ /dev/null
@@ -1,777 +0,0 @@
-//! **Layer:** integration
-//!
-//! T-Substrate-AnthropicSchemaMirror lockstep ratchet.
-//!
-//! Pins the v3 typed mirror in `src/v3/std/anthropic_schema.dag` against
-//! the v2 authority in `dsl/extdeps/llm/anthropic.dag`. The mirror is
-//! type authority only (no `data` rows). For every mirrored type the
-//! ratchet asserts:
-//!
-//! - The v3 declaration resolves in the full bootstrap.
-//! - **Set equality (not subset)** between the v2 field/variant set
-//!   extracted directly from `dsl/extdeps/llm/anthropic.dag` and the v3
-//!   field/variant set walked from the bootstrap. v2 additions surface
-//!   as a missing-on-v3 diff; v3 drift surfaces as missing-on-v2.
-//! - **Structural optionality**: every field marked `<label>: <T>?`
-//!   in the v2 source must lower as `Cardinality(AtMostOne, _)` on the
-//!   v3 mirror; every non-optional v2 field must NOT.
-//!
-//! The v2 file is parsed by v2 stage0, not by v3, so the ratchet works
-//! by extracting type blocks from the v2 source text and comparing
-//! their structural projections to the v3 bootstrap declarations.
-//! Lockstep discipline mirrors `method_registry_test.rs`'s algebra-template
-//! scan against `dsl/std/algebra.dag`.
-
-use std::collections::BTreeSet;
-use v3_compiler::dag::{CardinalityBound, Dag, DeclarationId, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-const V2_SOURCE: &str = include_str!("../../../../../dsl/extdeps/llm/anthropic.dag");
-
-// ── v3 bootstrap projections ──────────────────────────────────────────
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn conj_field_ty(dag: &Dag, owner: &str, label: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(owner)
-        .unwrap_or_else(|| panic!("`{owner}` missing from full bootstrap"));
-    let children = match &decl.connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("`{owner}` is not a Conj: {other:?}"),
-    };
-    children
-        .iter()
-        .find(|f| f.label == label)
-        .unwrap_or_else(|| panic!("`{owner}.{label}` missing"))
-        .ty
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-/// True iff the v3 declaration `owner.<field>` lowers as
-/// `Cardinality(AtMostOne, _)`. The `T?` surface syntax produces this
-/// connective; structural inspection of the field's referenced
-/// declaration is therefore the v3-side ground truth for optionality.
-fn v3_field_is_optional(dag: &Dag, owner: &str, field: &str) -> bool {
-    let ty = conj_field_ty(dag, owner, field);
-    match &dag.declaration(ty).connective {
-        TypeConnective::Cardinality(p) => p.bound() == CardinalityBound::AtMostOne,
-        _ => false,
-    }
-}
-
-/// Reconstruct a canonical v3 type-expression string for a declaration.
-///
-/// Rule: a *named* declaration (`String`, `Bool`, `AnthropicStopReason`,
-/// `AnthropicMessages200Body`, …) canonicalizes as its surface name
-/// even when the underlying connective unfolds to `Instantiation`
-/// (e.g. `String = FreeMonoid<Int>`, `Int` refines from `Int64`); the
-/// v2 source addresses these by name and so does the v3 mirror at the
-/// field level. Anonymous declarations — typically site-instantiated
-/// `List<X>`, `Map<K, V>`, or `T?` carriers minted at use sites — get
-/// unfolded:
-///
-/// - `Cardinality(AtMostOne, T)` → `"T?"`
-/// - `Instantiation { template, args }` → `"<TemplateName><A, B, …>"`
-fn v3_canonical_ty(dag: &Dag, ty: DeclarationId) -> String {
-    let decl = dag.declaration(ty);
-    if let Some(name) = decl.name.as_deref() {
-        return name.to_string();
-    }
-    match &decl.connective {
-        TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-            format!("{}?", v3_canonical_ty(dag, p.element()))
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            // Even on an anonymous Instantiation site, the *template*
-            // declaration is typically named (`List`, `Map`, …); use its
-            // surface name and recurse into `arguments`.
-            let template_name = dag
-                .declaration(*template)
-                .name
-                .clone()
-                .unwrap_or_else(|| v3_canonical_ty(dag, *template));
-            if arguments.is_empty() {
-                template_name
-            } else {
-                let args: Vec<String> = arguments
-                    .iter()
-                    .map(|a| v3_canonical_ty(dag, a.value))
-                    .collect();
-                format!("{}<{}>", template_name, args.join(", "))
-            }
-        }
-        _ => "<anon>".to_string(),
-    }
-}
-
-/// Normalize a v2 type-expression text (`List< X >` → `List<X>`,
-/// trimmed) for direct string comparison against `v3_canonical_ty`.
-/// Optionality (`?`) is asserted separately, so this strips a trailing
-/// `?` to match the inner-type form produced by callers that strip
-/// `?` from the v3 canonical.
-fn normalize_ty_text(raw: &str) -> String {
-    let mut s = raw.trim().to_string();
-    if let Some(stripped) = s.strip_suffix('?') {
-        s = stripped.trim_end().to_string();
-    }
-    // Compress whitespace inside the type expression. The v3 canonical
-    // form uses no spaces around `<` / `>` and a single space after `,`.
-    let mut out = String::with_capacity(s.len());
-    let mut prev_space = false;
-    for c in s.chars() {
-        if c.is_whitespace() {
-            if !prev_space {
-                out.push(' ');
-                prev_space = true;
-            }
-        } else {
-            prev_space = false;
-            out.push(c);
-        }
-    }
-    // Strip spaces adjacent to `<`, `>`, `,`.
-    let trimmed = out
-        .replace(" <", "<")
-        .replace("< ", "<")
-        .replace(" >", ">")
-        .replace(" ,", ",")
-        // Then ensure exactly one space after each `,`.
-        .replace(',', ", ")
-        .replace(",  ", ", ");
-    trimmed.trim().to_string()
-}
-
-// ── v2 source-text extractors ─────────────────────────────────────────
-
-/// Extract the source text of the `type <name>` block from the v2 file.
-/// Block ends at the next top-level keyword on a line, or end-of-file.
-fn v2_type_block(name: &str) -> &'static str {
-    v2_type_block_from(V2_SOURCE, "dsl/extdeps/llm/anthropic.dag", name)
-}
-
-fn v2_type_block_from(source: &'static str, source_label: &str, name: &str) -> &'static str {
-    let opens = [
-        format!("type {name} {{"),
-        format!("type {name}\n"),
-        format!("type {name} ="),
-    ];
-    let start = opens
-        .iter()
-        .find_map(|n| source.find(n.as_str()))
-        .unwrap_or_else(|| {
-            panic!(
-                "v2 source `{source_label}` no longer declares \
-                 `type {name}` — lockstep with v3 mirror is broken."
-            )
-        });
-    let after_keyword = start + "type ".len();
-    let rest = &source[after_keyword..];
-    let stop = ["\ntype ", "\ndata ", "\nservice ", "\nfn ", "\nmodule "];
-    let end_in_rest = stop
-        .iter()
-        .filter_map(|kw| rest.find(kw))
-        .min()
-        .unwrap_or(rest.len());
-    &source[start..(after_keyword + end_in_rest)]
-}
-
-/// Parse a v2 record block (`type X { foo: T, bar: U?, … }`) and return
-/// `(field_label, is_optional)` tuples in declaration order. Optionality
-/// is read from the trailing `?` on the type expression.
-///
-/// The parser handles fields written one-per-line or comma-separated on
-/// one line. It strips trailing commas/whitespace, picks the head token
-/// before `:` as the label, and checks whether the type expression
-/// (between `:` and the next `,` / line-end / `}`) ends in `?` (after
-/// trimming whitespace).
-/// `(field_label, normalized_ty_text, is_optional)` for v2 record fields.
-type V2Field = (String, String, bool);
-
-fn v2_record_fields(name: &str) -> Vec<V2Field> {
-    let block = v2_type_block(name);
-    let body_start = block.find('{').unwrap_or_else(|| {
-        panic!("v2 `type {name}` is not a record block (no `{{` in extracted text)")
-    }) + 1;
-    let body_end = block
-        .rfind('}')
-        .unwrap_or_else(|| panic!("v2 `type {name}` record block has no closing `}}`"));
-    let body = &block[body_start..body_end];
-
-    let mut out = Vec::new();
-    // Split on either newline or comma; each piece is one field (or
-    // empty/whitespace).
-    for piece in body.split(['\n', ',']) {
-        let trimmed = piece.trim();
-        if trimmed.is_empty() || trimmed.starts_with("//") {
-            continue;
-        }
-        let Some(colon) = trimmed.find(':') else {
-            // Skip non-field lines (e.g. inline comments without `//`).
-            continue;
-        };
-        let label = trimmed[..colon].trim().to_string();
-        if label.is_empty()
-            || !label
-                .chars()
-                .next()
-                .is_some_and(|c| c.is_alphabetic() || c == '_')
-        {
-            continue;
-        }
-        let ty_text_raw = trimmed[colon + 1..].trim();
-        // Strip a trailing `//` line comment if any.
-        let ty_text = match ty_text_raw.find("//") {
-            Some(idx) => ty_text_raw[..idx].trim(),
-            None => ty_text_raw,
-        };
-        // Optionality = type expression ends with `?`.
-        let is_optional = ty_text.ends_with('?');
-        out.push((label, normalize_ty_text(ty_text), is_optional));
-    }
-    out
-}
-
-/// Parse a v2 variant payload body (`{ foo: T, bar: U? }`) and return
-/// `(field_label, normalized_ty_text, is_optional)` tuples, mirroring
-/// `v2_record_fields`'s extraction logic. Used by the disj lockstep to
-/// compare per-variant payload field sets, type expressions, and
-/// optionality.
-fn parse_v2_brace_body_fields(body: &str) -> Vec<V2Field> {
-    let mut out = Vec::new();
-    for piece in body.split(['\n', ',']) {
-        let trimmed = piece.trim();
-        if trimmed.is_empty() || trimmed.starts_with("//") {
-            continue;
-        }
-        let Some(colon) = trimmed.find(':') else {
-            continue;
-        };
-        let label = trimmed[..colon].trim().to_string();
-        if label.is_empty()
-            || !label
-                .chars()
-                .next()
-                .is_some_and(|c| c.is_alphabetic() || c == '_')
-        {
-            continue;
-        }
-        let ty_text_raw = trimmed[colon + 1..].trim();
-        let ty_text = match ty_text_raw.find("//") {
-            Some(idx) => ty_text_raw[..idx].trim(),
-            None => ty_text_raw,
-        };
-        let is_optional = ty_text.ends_with('?');
-        out.push((label, normalize_ty_text(ty_text), is_optional));
-    }
-    out
-}
-
-/// Parse a v2 disj block and return per-variant `(name, payload_fields)`
-/// tuples in declaration order. `payload_fields` is `None` for bare
-/// variants (`EndTurn`) and `Some([(label, is_optional), ...])` for
-/// record-payload variants (`UserToolResultBlock { tool_use_id: String,
-/// content: AnthropicToolResultContent?, is_error: Bool? }`). Handles both inline
-/// (`type X = A | B | C`) and multi-line (`type X\n  = Foo { … }\n  | Bar { … }`)
-/// shapes.
-type V2VariantPayload = Option<Vec<V2Field>>;
-
-fn v2_disj_variants(name: &str) -> Vec<(String, V2VariantPayload)> {
-    let block = v2_type_block(name);
-    parse_v2_disj_block(name, block)
-}
-
-fn closing_paren_byte_idx(chunk: &str, open_paren: usize) -> usize {
-    let bytes = chunk.as_bytes();
-    debug_assert_eq!(bytes.get(open_paren), Some(&b'('));
-    let mut depth = 0usize;
-    let mut i = open_paren;
-    while i < bytes.len() {
-        match bytes[i] {
-            b'(' => {
-                depth += 1;
-                i += 1;
-            }
-            b')' => {
-                depth -= 1;
-                i += 1;
-                if depth == 0 {
-                    return i - 1;
-                }
-            }
-            _ => i += 1,
-        }
-    }
-    panic!("v2 variant fragment has unmatched `(` — lockstep parser needs an update: `{chunk}`")
-}
-
-fn parse_v2_disj_block(name: &str, block: &str) -> Vec<(String, V2VariantPayload)> {
-    let eq = block.find('=').unwrap_or_else(|| {
-        panic!("v2 `type {name}` is not a disj block (no `=` in extracted text)")
-    });
-    let after_eq = &block[eq + 1..];
-    // Strip block-level comments so `|` inside `//` lines doesn't fool us.
-    // Cheap approach: drop line comments by walking lines.
-    let mut cleaned = String::with_capacity(after_eq.len());
-    for line in after_eq.lines() {
-        let line_no_comment = match line.find("//") {
-            Some(i) => &line[..i],
-            None => line,
-        };
-        cleaned.push_str(line_no_comment);
-        cleaned.push('\n');
-    }
-    let mut out = Vec::new();
-    for piece in cleaned.split('|') {
-        let chunk = piece.trim();
-        if chunk.is_empty() {
-            continue;
-        }
-        let open_paren = chunk.find('(');
-        let open_brace = chunk.find('{');
-        let tuple_before_record = match (open_paren, open_brace) {
-            (Some(p), Some(b)) => p < b,
-            (Some(_), None) => true,
-            _ => false,
-        };
-
-        // Split into label-prefix vs payload.
-        let (label_part, payload) = if tuple_before_record {
-            let p = open_paren.expect("tuple_before_record implies `(` present");
-            let close = closing_paren_byte_idx(chunk, p);
-            let inner = chunk[p + 1..close].trim();
-            let label = chunk[..p].trim().to_string();
-            (
-                label,
-                Some(vec![("_0".to_string(), normalize_ty_text(inner), false)]),
-            )
-        } else if let Some(brace) = open_brace {
-            // Find the matching `}` (variants are flat — no nested
-            // braces in the v2 anthropic.dag — so a forward search
-            // suffices; if a future variant nests we'll need a
-            // bracket counter).
-            let body_end = chunk[brace + 1..].find('}').unwrap_or_else(|| {
-                panic!(
-                    "v2 `type {name}` variant fragment has unmatched `{{` — \
-                     lockstep parser needs an update for new v2 syntax: `{chunk}`"
-                )
-            });
-            let body = &chunk[brace + 1..brace + 1 + body_end];
-            (
-                chunk[..brace].trim().to_string(),
-                Some(parse_v2_brace_body_fields(body)),
-            )
-        } else {
-            (chunk.to_string(), None)
-        };
-        let label = label_part.trim().to_string();
-        if label.is_empty() {
-            continue;
-        }
-        let Some(first) = label.chars().next() else {
-            continue;
-        };
-        if !(first.is_alphabetic() || first == '_') {
-            continue;
-        }
-        if !label.chars().all(|c| c.is_alphanumeric() || c == '_') {
-            panic!(
-                "v2 `type {name}` variant fragment `{label}` is not a bare identifier — \
-                 lockstep parser needs an update for new v2 syntax"
-            );
-        }
-        out.push((label, payload));
-    }
-    out
-}
-
-/// `(field_label, canonical_ty, is_optional)` for a v3 variant payload field.
-type V3PayloadField = (String, String, bool);
-
-/// Walk the v3 variant payload's Conj declaration and return its
-/// `(field_label, canonical_ty, is_optional)` set. Returns `None` if
-/// the variant has no record payload (`Atom`/empty Conj).
-fn v3_variant_payload_fields(
-    dag: &Dag,
-    parent_name: &str,
-    variant_label: &str,
-) -> Option<Vec<V3PayloadField>> {
-    let parent = dag
-        .declaration_by_name(parent_name)
-        .unwrap_or_else(|| panic!("`{parent_name}` missing from full bootstrap"));
-    let variants = match &parent.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("`{parent_name}` is not a Disj: {other:?}"),
-    };
-    let target = variants
-        .iter()
-        .find(|v| v.label == variant_label)
-        .unwrap_or_else(|| panic!("`{parent_name}::{variant_label}` variant missing"))
-        .ty;
-    let payload = dag.declaration(target);
-    match &payload.connective {
-        TypeConnective::Conj { children } if !children.is_empty() => Some(
-            children
-                .iter()
-                .map(|f| {
-                    let optional = matches!(
-                        &dag.declaration(f.ty).connective,
-                        TypeConnective::Cardinality(p)
-                            if p.bound() == CardinalityBound::AtMostOne
-                    );
-                    // Strip the trailing `?` so the canonical form is
-                    // the inner element only — optionality is asserted
-                    // separately via the `optional` bit. This matches
-                    // `normalize_ty_text`'s `?`-stripping on the v2 side.
-                    let raw_canonical = v3_canonical_ty(dag, f.ty);
-                    let ty_canonical = raw_canonical
-                        .strip_suffix('?')
-                        .map(|s| s.trim_end().to_string())
-                        .unwrap_or(raw_canonical);
-                    (f.label.clone(), ty_canonical, optional)
-                })
-                .collect(),
-        ),
-        _ => None,
-    }
-}
-
-// ── Lockstep assertions ───────────────────────────────────────────────
-
-fn assert_record_lockstep(type_name: &str) {
-    assert_record_lockstep_with_v2_fields(type_name, v2_record_fields(type_name));
-}
-
-fn assert_record_lockstep_with_v2_fields(type_name: &str, v2_fields: Vec<V2Field>) {
-    let dag = generated_full_bootstrap_dag();
-    let v3_labels: BTreeSet<String> = conj_field_labels(&dag, type_name).into_iter().collect();
-    let v2_labels: BTreeSet<String> = v2_fields.iter().map(|(l, _, _)| l.clone()).collect();
-    assert_eq!(
-        v3_labels,
-        v2_labels,
-        "lockstep drift on `type {type_name}` field set: v3 mirror \
-         (`src/v3/std/anthropic_schema.dag`) and v2 source \
-         (`dsl/extdeps/llm/anthropic.dag`) disagree. \
-         v3-only: {:?}; v2-only: {:?}",
-        v3_labels.difference(&v2_labels).collect::<Vec<_>>(),
-        v2_labels.difference(&v3_labels).collect::<Vec<_>>()
-    );
-    for (label, v2_ty, v2_optional) in &v2_fields {
-        // Structural optionality: each v2-`T?` field must lower as
-        // `Cardinality(AtMostOne, _)` on the v3 mirror, and each v2-`T`
-        // field must NOT.
-        let v3_optional = v3_field_is_optional(&dag, type_name, label);
-        assert_eq!(
-            v3_optional,
-            *v2_optional,
-            "lockstep optionality drift on `type {type_name}.{label}`: \
-             v2 source marks it {} but v3 mirror lowers as {}.",
-            if *v2_optional {
-                "optional (`T?`)"
-            } else {
-                "required (`T`)"
-            },
-            if v3_optional {
-                "Cardinality(AtMostOne, _)"
-            } else {
-                "non-optional"
-            }
-        );
-        // Type-expression equality on the inner element type, including
-        // generic args (`List<X>`). Optionality is asserted separately
-        // (above), so strip a trailing `?` from the v3 canonical to
-        // match the inner-form `v2_ty` produced by `normalize_ty_text`.
-        let raw_v3_ty = v3_canonical_ty(&dag, conj_field_ty(&dag, type_name, label));
-        let v3_ty = raw_v3_ty
-            .strip_suffix('?')
-            .map(|s| s.trim_end().to_string())
-            .unwrap_or(raw_v3_ty);
-        assert_eq!(
-            &v3_ty, v2_ty,
-            "lockstep type-expression drift on `type {type_name}.{label}`: \
-             v2 source declares `{v2_ty}` but v3 mirror canonicalizes as \
-             `{v3_ty}`."
-        );
-    }
-}
-
-fn assert_disj_lockstep(type_name: &str) {
-    assert_disj_lockstep_against(type_name, v2_disj_variants(type_name));
-}
-
-fn assert_anthropic_image_source_lockstep() {
-    let mut variants = v2_disj_variants("ImageSource");
-    for (variant, payload) in &mut variants {
-        if variant == "Base64Image" {
-            if let Some(fields) = payload {
-                for (label, _, _) in fields {
-                    if label == "data" {
-                        *label = "base64".to_string();
-                    }
-                }
-            }
-        }
-    }
-    assert_disj_lockstep_against("ImageSource", variants);
-}
-
-fn assert_anthropic_disj_lockstep(type_name: &str) {
-    let mut variants = v2_disj_variants(type_name);
-    if type_name == "AnthropicMessages200ContentBlock" {
-        for (variant, payload) in &mut variants {
-            if variant == "MessagesRedactedThinkingBlock" {
-                if let Some(fields) = payload {
-                    for (label, _, _) in fields {
-                        if label == "data" {
-                            *label = "redacted_data".to_string();
-                        }
-                    }
-                }
-            }
-        }
-    }
-    assert_disj_lockstep_against(type_name, variants);
-}
-
-fn assert_disj_lockstep_against(type_name: &str, v2_variants: Vec<(String, V2VariantPayload)>) {
-    let dag = generated_full_bootstrap_dag();
-    let v3_labels: BTreeSet<String> = disj_variant_labels(&dag, type_name).into_iter().collect();
-    let v2_labels: BTreeSet<String> = v2_variants.iter().map(|(name, _)| name.clone()).collect();
-    assert_eq!(
-        v3_labels,
-        v2_labels,
-        "lockstep drift on `type {type_name}` variant set: v3 mirror and \
-         v2 source disagree. v3-only: {:?}; v2-only: {:?}",
-        v3_labels.difference(&v2_labels).collect::<Vec<_>>(),
-        v2_labels.difference(&v3_labels).collect::<Vec<_>>()
-    );
-    // Per-variant payload lockstep: each variant's record-payload field
-    // set + optionality must agree between v2 source and v3 mirror.
-    // Bare variants on both sides → no payload check; mismatched shapes
-    // (one side bare, the other record-payload) fail closed.
-    for (variant_label, v2_payload) in &v2_variants {
-        let v3_payload = v3_variant_payload_fields(&dag, type_name, variant_label);
-        match (v2_payload, v3_payload) {
-            (None, None) => {}
-            (Some(v2_fields), Some(v3_fields)) => {
-                let v2_set: BTreeSet<String> =
-                    v2_fields.iter().map(|(l, _, _)| l.clone()).collect();
-                let v3_set: BTreeSet<String> =
-                    v3_fields.iter().map(|(l, _, _)| l.clone()).collect();
-                assert_eq!(
-                    v3_set,
-                    v2_set,
-                    "lockstep drift on payload of \
-                     `type {type_name}::{variant_label}`: \
-                     v3-only fields: {:?}; v2-only fields: {:?}",
-                    v3_set.difference(&v2_set).collect::<Vec<_>>(),
-                    v2_set.difference(&v3_set).collect::<Vec<_>>()
-                );
-                for (label, v2_ty, v2_optional) in v2_fields {
-                    let v3_field = v3_fields
-                        .iter()
-                        .find(|(l, _, _)| l == label)
-                        .expect("set equality above guarantees presence");
-                    let (_, v3_ty, v3_optional) = v3_field;
-                    assert_eq!(
-                        *v3_optional,
-                        *v2_optional,
-                        "lockstep optionality drift on \
-                         `type {type_name}::{variant_label}.{label}`: v2 marks it {} \
-                         but v3 lowers as {}.",
-                        if *v2_optional {
-                            "optional (`T?`)"
-                        } else {
-                            "required (`T`)"
-                        },
-                        if *v3_optional {
-                            "Cardinality(AtMostOne, _)"
-                        } else {
-                            "non-optional"
-                        }
-                    );
-                    assert_eq!(
-                        v3_ty, v2_ty,
-                        "lockstep type-expression drift on \
-                         `type {type_name}::{variant_label}.{label}`: \
-                         v2 declares `{v2_ty}` but v3 canonicalizes as `{v3_ty}`."
-                    );
-                }
-            }
-            // v2 uses `Variant {}` to force singleton coproduct parsing; emitted
-            // Rust still treats the empty payload as a nullary/unit variant.
-            (Some(v2_fields), None) if v2_fields.is_empty() => {}
-            (Some(_), None) => panic!(
-                "lockstep drift: v2 `type {type_name}::{variant_label}` carries a \
-                 record payload but v3 mirror has none."
-            ),
-            (None, Some(v3_fields)) if v3_fields.is_empty() => {}
-            (None, Some(_)) => panic!(
-                "lockstep drift: v3 mirror `type {type_name}::{variant_label}` \
-                 carries a record payload but v2 source declares the variant bare."
-            ),
-        }
-    }
-}
-
-// ── Tests ─────────────────────────────────────────────────────────────
-
-#[test]
-fn anthropic_chat_message_lockstep() {
-    assert_disj_lockstep("AnthropicChatMessage");
-}
-
-#[test]
-fn anthropic_user_content_block_lockstep() {
-    assert_disj_lockstep("AnthropicUserContentBlock");
-}
-
-#[test]
-fn anthropic_tool_result_content_lockstep() {
-    assert_disj_lockstep("AnthropicToolResultContent");
-}
-
-#[test]
-fn anthropic_tool_result_block_lockstep() {
-    assert_disj_lockstep("AnthropicToolResultBlock");
-}
-
-#[test]
-fn anthropic_tool_result_wire_text_tag_lockstep() {
-    assert_disj_lockstep("AnthropicToolResultWireTextTag");
-}
-
-#[test]
-fn anthropic_plain_text_document_media_type_lockstep() {
-    assert_disj_lockstep("AnthropicPlainTextDocumentMediaType");
-}
-
-#[test]
-fn anthropic_tool_result_text_block_row_lockstep() {
-    assert_record_lockstep("AnthropicToolResultTextBlock");
-}
-
-#[test]
-fn anthropic_search_result_citations_config_lockstep() {
-    assert_record_lockstep("AnthropicSearchResultCitationsConfig");
-}
-
-#[test]
-fn anthropic_cache_control_row_lockstep() {
-    assert_record_lockstep("CacheControl");
-}
-
-#[test]
-fn anthropic_tool_result_plain_text_document_source_lockstep() {
-    // v3 reserves `data` as a keyword; the mirror uses `document_data` while the
-    // v2 authority keeps wire-faithful `data` (same escape pattern as
-    // `ImageSource.Base64Image` → `base64` and redacted-thinking → `redacted_data`).
-    let mut v2_fields = v2_record_fields("AnthropicToolResultPlainTextDocumentSource");
-    for (label, _, _) in &mut v2_fields {
-        if label == "data" {
-            *label = "document_data".to_string();
-        }
-    }
-    assert_record_lockstep_with_v2_fields("AnthropicToolResultPlainTextDocumentSource", v2_fields);
-}
-
-#[test]
-fn anthropic_image_source_lockstep() {
-    assert_anthropic_image_source_lockstep();
-}
-
-#[test]
-fn anthropic_assistant_content_block_lockstep() {
-    assert_disj_lockstep("AnthropicAssistantContentBlock");
-}
-
-#[test]
-fn anthropic_stop_reason_lockstep() {
-    assert_disj_lockstep("AnthropicStopReason");
-}
-
-#[test]
-fn anthropic_messages_200_citation_lockstep() {
-    assert_disj_lockstep("AnthropicMessages200Citation");
-}
-
-#[test]
-fn anthropic_messages_200_content_block_lockstep() {
-    assert_anthropic_disj_lockstep("AnthropicMessages200ContentBlock");
-}
-
-#[test]
-fn anthropic_server_tool_name_lockstep() {
-    assert_disj_lockstep("AnthropicServerToolName");
-}
-
-#[test]
-fn anthropic_messages_200_service_tier_lockstep() {
-    assert_disj_lockstep("AnthropicMessages200ServiceTier");
-}
-
-#[test]
-fn anthropic_messages_200_usage_lockstep() {
-    assert_record_lockstep("AnthropicMessages200Usage");
-}
-
-#[test]
-fn anthropic_messages_200_role_lockstep() {
-    assert_disj_lockstep("AnthropicMessages200Role");
-}
-
-#[test]
-fn anthropic_messages_200_body_lockstep() {
-    assert_record_lockstep("AnthropicMessages200Body");
-}
-
-#[test]
-fn anthropic_schema_authors_no_data_rows_or_fns() {
-    // Type authority only in this PR. Two leak classes:
-    //   (1) `data` rows lower with `value_body: Some(...)`.
-    //   (2) `fn` declarations lower as `TypeConnective::Arrow { … }` with
-    //       `value_body: None`, so the value_body filter alone would let
-    //       a stray `fn anthropic_messages` slip through. The Arrow check
-    //       fails closed against that.
-    // The follow-on substrate precursor authors `fn anthropic_messages`
-    // and any operation-row binding; neither belongs in PR-α.
-    let dag = generated_full_bootstrap_dag();
-    let leaks: Vec<String> = dag
-        .declarations()
-        .iter()
-        .filter(|d| d.span.file == "src/v3/std/anthropic_schema.dag")
-        .filter(|d| d.value_body.is_some() || matches!(d.connective, TypeConnective::Arrow { .. }))
-        .map(|d| {
-            d.name
-                .clone()
-                .unwrap_or_else(|| format!("DeclarationId({:?})", d.id))
-        })
-        .collect();
-    assert!(
-        leaks.is_empty(),
-        "anthropic_schema.dag is type-authority only — no `data` rows \
-         (lowered as `value_body: Some(...)`) and no `fn` declarations \
-         (lowered as `TypeConnective::Arrow`) allowed in this slice. \
-         Found: {leaks:?}."
-    );
-}
diff --git a/src/v3/compiler/tests/integration/anthropic_tool_result_wire_demo_test.rs b/src/v3/compiler/tests/integration/anthropic_tool_result_wire_demo_test.rs
deleted file mode 100644
index 68c01fdf45f..00000000000
--- a/src/v3/compiler/tests/integration/anthropic_tool_result_wire_demo_test.rs
+++ /dev/null
@@ -1,481 +0,0 @@
-//! **Layer:** integration
-//!
-//! Hermetic JSON examples for Anthropic Messages `tool_result.content`
-//! (scalar string vs nested block array). Every serde shape below is
-//! **ratcheted** against [`generated_full_bootstrap_dag`] in
-//! `tool_result_wire_demo_projection_is_locked_to_modeled_dag_surface`
-//! (same discipline as `anthropic_messages_wire_demo_test.rs`), so the
-//! demo cannot drift while `src/v3/std/anthropic_schema.dag` /
-//! `dsl/extdeps/llm/anthropic.dag` stay lockstep via
-//! `anthropic_schema_lockstep_test.rs`.
-//!
-//! Authority: `dsl/extdeps/llm/anthropic.dag` (`UntaggedVariant` on
-//! `AnthropicToolResultContent`, internally tagged `AnthropicToolResultBlock`
-//! with `StripPrefixSuffixAndSnakeCase { prefix: \"Anthropic\", suffix: \"Block\" }`).
-
-use serde::ser::Serializer;
-use serde::Serialize;
-use serde_json::json;
-use v3_compiler::dag::{CardinalityBound, Dag, DeclarationId, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-#[derive(Debug, Clone, Serialize)]
-#[serde(tag = "type", rename_all = "snake_case")]
-enum DemoUserContent {
-    ToolResult {
-        tool_use_id: String,
-        #[serde(skip_serializing_if = "Option::is_none")]
-        content: Option<ToolResultContentWire>,
-        #[serde(skip_serializing_if = "Option::is_none")]
-        is_error: Option<bool>,
-    },
-}
-
-#[derive(Debug, Clone, Serialize)]
-#[serde(untagged)]
-enum ToolResultContentWire {
-    Scalar(String),
-    Blocks(Vec<ToolResultBlockWire>),
-}
-
-#[derive(Debug, Clone, Serialize)]
-#[serde(tag = "type", rename_all = "snake_case")]
-enum ToolResultBlockWire {
-    Text {
-        text: String,
-    },
-    Image {
-        source: ImageSourceWire,
-    },
-    Document {
-        source: PlainTextDocumentSourceWire,
-    },
-    SearchResult {
-        source: String,
-        title: String,
-        /// Matches bootstrap `List<AnthropicToolResultTextBlock>` — only `text`
-        /// rows are schema-valid nested entries for this arm.
-        content: Vec<ToolResultSearchNestedTextWire>,
-        /// Mirrors `AnthropicSearchResultBlock.citations?` (`AnthropicSearchResultCitationsConfig`).
-        #[serde(skip_serializing_if = "Option::is_none")]
-        citations: Option<SearchResultCitationsWire>,
-        /// Mirrors `AnthropicSearchResultBlock.cache_control?` (`CacheControl` on v2 authority).
-        #[serde(skip_serializing_if = "Option::is_none")]
-        cache_control: Option<CacheControlWire>,
-    },
-    ToolReference {
-        tool_name: String,
-    },
-}
-
-/// Nested `search_result.content[]` rows: DAG `AnthropicToolResultTextBlock` carries wire
-/// `type` + `text` (same JSON shape as this internally-tagged enum).
-#[derive(Debug, Clone, Serialize)]
-#[serde(tag = "type", rename_all = "snake_case")]
-enum ToolResultSearchNestedTextWire {
-    Text { text: String },
-}
-
-/// Mirrors `AnthropicSearchResultCitationsConfig` on the modeled `search_result` row.
-#[derive(Debug, Clone, Serialize)]
-struct SearchResultCitationsWire {
-    enabled: bool,
-}
-
-/// Mirrors `CacheControl` (`dsl/extdeps/llm/anthropic.dag`) — wire `type` key (e.g. `"ephemeral"`).
-#[derive(Debug, Clone, Serialize)]
-struct CacheControlWire {
-    #[serde(rename = "type")]
-    wire_type: String,
-}
-
-#[derive(Debug, Clone, Serialize)]
-#[serde(tag = "type")]
-enum ImageSourceWire {
-    #[serde(rename = "base64")]
-    Base64 {
-        media_type: String,
-        /// JSON key `data` matches Anthropic wire for base64 sources (`anthropic.dag`).
-        data: String,
-    },
-}
-
-/// Serializes as the literal `"text/plain"` (`PlainTextSourceParam.media_type` in the SDK).
-#[derive(Debug, Clone, Copy, Default)]
-struct PlainTextSourceMediaTypeWire;
-
-impl Serialize for PlainTextSourceMediaTypeWire {
-    fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error>
-    where
-        S: Serializer,
-    {
-        serializer.serialize_str("text/plain")
-    }
-}
-
-#[derive(Debug, Clone, Serialize)]
-struct PlainTextDocumentSourceWire {
-    #[serde(rename = "type")]
-    source_type: &'static str,
-    media_type: PlainTextSourceMediaTypeWire,
-    /// Wire field name `data` (`AnthropicToolResultPlainTextDocumentSource` in v2).
-    data: String,
-}
-
-#[derive(Debug, Clone, Serialize)]
-struct DemoMessage {
-    role: &'static str,
-    content: Vec<DemoUserContent>,
-}
-
-// ── Bootstrap projections (aligned with anthropic_messages_wire_demo_test) ──
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn conj_field_ty(dag: &Dag, owner: &str, label: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(owner)
-        .unwrap_or_else(|| panic!("`{owner}` missing from full bootstrap"));
-    let children = match &decl.connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("`{owner}` is not a Conj: {other:?}"),
-    };
-    children
-        .iter()
-        .find(|f| f.label == label)
-        .unwrap_or_else(|| panic!("`{owner}.{label}` missing"))
-        .ty
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-fn v3_canonical_ty(dag: &Dag, ty: DeclarationId) -> String {
-    let decl = dag.declaration(ty);
-    if let Some(name) = decl.name.as_deref() {
-        return name.to_string();
-    }
-    match &decl.connective {
-        TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-            format!("{}?", v3_canonical_ty(dag, p.element()))
-        }
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let template_name = dag
-                .declaration(*template)
-                .name
-                .clone()
-                .unwrap_or_else(|| v3_canonical_ty(dag, *template));
-            if arguments.is_empty() {
-                template_name
-            } else {
-                let args: Vec<String> = arguments
-                    .iter()
-                    .map(|a| v3_canonical_ty(dag, a.value))
-                    .collect();
-                format!("{}<{}>", template_name, args.join(", "))
-            }
-        }
-        _ => "<anon>".to_string(),
-    }
-}
-
-type V3PayloadField = (String, String, bool);
-
-fn v3_variant_payload_fields(
-    dag: &Dag,
-    parent_name: &str,
-    variant_label: &str,
-) -> Option<Vec<V3PayloadField>> {
-    let parent = dag
-        .declaration_by_name(parent_name)
-        .unwrap_or_else(|| panic!("`{parent_name}` missing from full bootstrap"));
-    let variants = match &parent.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("`{parent_name}` is not a Disj: {other:?}"),
-    };
-    let target = variants
-        .iter()
-        .find(|v| v.label == variant_label)
-        .unwrap_or_else(|| panic!("`{parent_name}::{variant_label}` variant missing"))
-        .ty;
-    let payload = dag.declaration(target);
-    match &payload.connective {
-        TypeConnective::Conj { children } if !children.is_empty() => Some(
-            children
-                .iter()
-                .map(|f| {
-                    let optional = matches!(
-                        &dag.declaration(f.ty).connective,
-                        TypeConnective::Cardinality(p)
-                            if p.bound() == CardinalityBound::AtMostOne
-                    );
-                    let raw_canonical = v3_canonical_ty(dag, f.ty);
-                    let ty_canonical = raw_canonical
-                        .strip_suffix('?')
-                        .map(|s| s.trim_end().to_string())
-                        .unwrap_or(raw_canonical);
-                    (f.label.clone(), ty_canonical, optional)
-                })
-                .collect(),
-        ),
-        _ => None,
-    }
-}
-
-/// Mirrors `anthropic_tool_result_block_wire_contract` strip prefix/suffix + snake_case.
-fn anthropic_tool_result_block_wire_tag(variant_label: &str) -> String {
-    const PREFIX: &str = "Anthropic";
-    const SUFFIX: &str = "Block";
-    let mid = variant_label
-        .strip_prefix(PREFIX)
-        .unwrap_or(variant_label)
-        .strip_suffix(SUFFIX)
-        .unwrap_or(variant_label);
-    pascal_chunk_to_snake(mid)
-}
-
-fn pascal_chunk_to_snake(s: &str) -> String {
-    let mut out = String::new();
-    for (i, c) in s.chars().enumerate() {
-        if c.is_uppercase() {
-            if i > 0 {
-                out.push('_');
-            }
-            out.extend(c.to_lowercase());
-        } else {
-            out.push(c);
-        }
-    }
-    out
-}
-
-#[test]
-fn tool_result_wire_demo_projection_is_locked_to_modeled_dag_surface() {
-    let dag = generated_full_bootstrap_dag();
-
-    assert_eq!(
-        disj_variant_labels(&dag, "AnthropicToolResultContent"),
-        vec!["ToolResultText", "ToolResultBlocks"],
-        "UntaggedVariant serde demo arms must track AnthropicToolResultContent"
-    );
-    let tool_result_text =
-        v3_variant_payload_fields(&dag, "AnthropicToolResultContent", "ToolResultText")
-            .expect("ToolResultText tuple/record payload");
-    assert_eq!(
-        tool_result_text,
-        vec![("_0".to_string(), "String".to_string(), false)],
-        "ToolResultText(String) lowers as positional _0 on the v3 mirror"
-    );
-    let tool_result_blocks =
-        v3_variant_payload_fields(&dag, "AnthropicToolResultContent", "ToolResultBlocks")
-            .expect("ToolResultBlocks payload");
-    assert_eq!(
-        tool_result_blocks,
-        vec![(
-            "_0".to_string(),
-            "List<AnthropicToolResultBlock>".to_string(),
-            false
-        )],
-        "ToolResultBlocks(List<…>) lowers as positional _0"
-    );
-
-    let block_variants = disj_variant_labels(&dag, "AnthropicToolResultBlock");
-    let expected_wire_tags = [
-        "text",
-        "image",
-        "document",
-        "search_result",
-        "tool_reference",
-    ];
-    assert_eq!(
-        block_variants.len(),
-        expected_wire_tags.len(),
-        "demo serde arms vs modeled AnthropicToolResultBlock variant count"
-    );
-    for (variant, expected_tag) in block_variants.iter().zip(expected_wire_tags.iter()) {
-        assert_eq!(
-            anthropic_tool_result_block_wire_tag(variant),
-            *expected_tag,
-            "InternallyTaggedObject naming for `{variant}` must serialize as `{expected_tag}`"
-        );
-    }
-
-    let user_tool =
-        v3_variant_payload_fields(&dag, "AnthropicUserContentBlock", "UserToolResultBlock")
-            .expect("UserToolResultBlock payload");
-    let labels: Vec<&str> = user_tool.iter().map(|(l, _, _)| l.as_str()).collect();
-    assert_eq!(
-        labels,
-        vec!["tool_use_id", "content", "is_error"],
-        "demo ToolResult fields must match UserToolResultBlock conj order/labels"
-    );
-
-    let plain_fields = conj_field_labels(&dag, "AnthropicToolResultPlainTextDocumentSource");
-    assert_eq!(
-        plain_fields,
-        vec!["type", "media_type", "document_data"],
-        "document source demo JSON keys map wire `data` ↔ mirror `document_data` (see lockstep)"
-    );
-    let media_ty = v3_canonical_ty(
-        &dag,
-        conj_field_ty(
-            &dag,
-            "AnthropicToolResultPlainTextDocumentSource",
-            "media_type",
-        ),
-    );
-    assert_eq!(
-        media_ty, "AnthropicPlainTextDocumentMediaType",
-        "plaintext document `media_type` must be the singleton literal carrier (SDK `Literal[\"text/plain\"]`)"
-    );
-
-    let search_payload = v3_variant_payload_fields(
-        &dag,
-        "AnthropicToolResultBlock",
-        "AnthropicSearchResultBlock",
-    )
-    .expect("AnthropicSearchResultBlock record payload");
-    let (_, content_ty, content_optional) = search_payload
-        .iter()
-        .find(|(l, _, _)| l == "content")
-        .expect("search_result.content field");
-    assert_eq!(content_ty, "List<AnthropicToolResultTextBlock>");
-    assert!(
-        !content_optional,
-        "search nested content list is required on the wire row"
-    );
-    let (_, citations_ty, citations_optional) = search_payload
-        .iter()
-        .find(|(l, _, _)| l == "citations")
-        .expect("search_result.citations field");
-    assert_eq!(citations_ty, "AnthropicSearchResultCitationsConfig");
-    assert!(
-        citations_optional,
-        "citations is optional on AnthropicSearchResultBlock per v2 authority"
-    );
-    let (_, cache_ty, cache_optional) = search_payload
-        .iter()
-        .find(|(l, _, _)| l == "cache_control")
-        .expect("search_result.cache_control field");
-    assert_eq!(cache_ty, "CacheControl");
-    assert!(
-        cache_optional,
-        "cache_control is optional on AnthropicSearchResultBlock per v2 authority"
-    );
-}
-
-#[test]
-fn tool_result_content_serializes_scalar_string_at_json_boundary() {
-    let msg = DemoMessage {
-        role: "user",
-        content: vec![DemoUserContent::ToolResult {
-            tool_use_id: "toolu_01".to_string(),
-            content: Some(ToolResultContentWire::Scalar(
-                "plain scalar result".to_string(),
-            )),
-            is_error: None,
-        }],
-    };
-    assert_eq!(
-        serde_json::to_value(&msg).expect("serialize"),
-        json!({
-            "role": "user",
-            "content": [{
-                "type": "tool_result",
-                "tool_use_id": "toolu_01",
-                "content": "plain scalar result"
-            }]
-        })
-    );
-}
-
-#[test]
-fn tool_result_content_serializes_nested_block_array_without_outer_wrapper_object() {
-    let nested_text = ToolResultSearchNestedTextWire::Text {
-        text: "nested line".to_string(),
-    };
-    let msg = DemoMessage {
-        role: "user",
-        content: vec![DemoUserContent::ToolResult {
-            tool_use_id: "toolu_02".to_string(),
-            content: Some(ToolResultContentWire::Blocks(vec![
-                ToolResultBlockWire::Text {
-                    text: "hello".to_string(),
-                },
-                ToolResultBlockWire::Image {
-                    source: ImageSourceWire::Base64 {
-                        media_type: "image/jpeg".to_string(),
-                        data: "AAA=".to_string(),
-                    },
-                },
-                ToolResultBlockWire::Document {
-                    source: PlainTextDocumentSourceWire {
-                        source_type: "text",
-                        media_type: PlainTextSourceMediaTypeWire,
-                        data: "doc bytes".to_string(),
-                    },
-                },
-                ToolResultBlockWire::SearchResult {
-                    source: "web".to_string(),
-                    title: "Example".to_string(),
-                    content: vec![nested_text],
-                    citations: Some(SearchResultCitationsWire { enabled: true }),
-                    cache_control: Some(CacheControlWire {
-                        wire_type: "ephemeral".to_string(),
-                    }),
-                },
-                ToolResultBlockWire::ToolReference {
-                    tool_name: "my_tool".to_string(),
-                },
-            ])),
-            is_error: Some(false),
-        }],
-    };
-    assert_eq!(
-        serde_json::to_value(&msg).expect("serialize"),
-        json!({
-            "role": "user",
-            "content": [{
-                "type": "tool_result",
-                "tool_use_id": "toolu_02",
-                "content": [
-                    {"type": "text", "text": "hello"},
-                    {"type": "image", "source": {
-                        "type": "base64",
-                        "media_type": "image/jpeg",
-                        "data": "AAA="
-                    }},
-                    {"type": "document", "source": {
-                        "type": "text",
-                        "media_type": "text/plain",
-                        "data": "doc bytes"
-                    }},
-                    {"type": "search_result", "source": "web", "title": "Example",
-                     "content": [{"type": "text", "text": "nested line"}],
-                     "citations": {"enabled": true},
-                     "cache_control": {"type": "ephemeral"}},
-                    {"type": "tool_reference", "tool_name": "my_tool"}
-                ],
-                "is_error": false
-            }]
-        })
-    );
-}
diff --git a/src/v3/compiler/tests/integration/bridge_ledger_carrier_test.rs b/src/v3/compiler/tests/integration/bridge_ledger_carrier_test.rs
deleted file mode 100644
index 4ae0376d2f0..00000000000
--- a/src/v3/compiler/tests/integration/bridge_ledger_carrier_test.rs
+++ /dev/null
@@ -1,447 +0,0 @@
-//! **Layer:** integration
-//!
-//! T-Verification-BridgeLedger carrier shape ratchet for
-//! `src/v3/std/bridge_ledger.dag`. Pins the substrate facts
-//! Verification's `BridgeLedgerZero` `.dag` `TestClaim` will fold:
-//!
-//! - `BridgeLedgerRow` is a record carrying `{ name, owner, status,
-//!   authority }`.
-//! - `BridgeStatus` is a closed two-variant coproduct (`Retired` /
-//!   `Open`); no stringly status, no third state.
-//! - `bridge_ledger` lowers as `List<BridgeLedgerRow>` carrying the canonical
-//!   bridge rows from `docs/r3-structure.md` T-Bridge-Retirement (including
-//!   split rows such as canonical-lens and exact-string slice vs residual).
-//! - Each row's `status` resolves to one of the two `BridgeStatus`
-//!   constructors structurally (not a string check).
-
-use std::collections::{BTreeSet, HashSet};
-use v3_compiler::dag::{Dag, FieldValue, LiteralBits, TypeConnective, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::{compile_to_dag, CompileError};
-
-const BRIDGE_LEDGER: &str = "bridge_ledger";
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-fn list_value_body<'a>(dag: &'a Dag, name: &str) -> &'a Vec<FieldValue> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.value_body {
-        Some(ValueBody::List(rows)) => rows,
-        Some(other) => panic!("`{name}` value_body is not a List: {other:?}"),
-        None => panic!("`{name}` has no value_body"),
-    }
-}
-
-fn record_field<'a>(fields: &'a [(String, FieldValue)], label: &str) -> &'a FieldValue {
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .map(|(_, v)| v)
-        .unwrap_or_else(|| panic!("record missing `{label}` field"))
-}
-
-fn string_literal(value: &FieldValue) -> &str {
-    match value {
-        FieldValue::Literal(LiteralBits::String(s)) => s.as_str(),
-        other => panic!("expected String literal, got {other:?}"),
-    }
-}
-
-#[test]
-fn bridge_ledger_row_field_set_is_name_owner_status_authority() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "BridgeLedgerRow")
-        .into_iter()
-        .collect();
-    let expected: HashSet<String> = ["name", "owner", "status", "authority"]
-        .iter()
-        .map(|s| s.to_string())
-        .collect();
-    assert_eq!(
-        labels, expected,
-        "BridgeLedgerRow must carry exactly `{{ name, owner, status, authority }}` \
-         per the dispatch contract — adding/removing fields requires an explicit \
-         substrate amendment, since Verification's `BridgeLedgerZero` fold reads \
-         this shape."
-    );
-}
-
-#[test]
-fn bridge_status_is_closed_two_variant_coproduct() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = disj_variant_labels(&dag, "BridgeStatus")
-        .into_iter()
-        .collect();
-    let expected: HashSet<String> = ["Retired", "Open"].iter().map(|s| s.to_string()).collect();
-    assert_eq!(
-        labels, expected,
-        "BridgeStatus must be the closed `Retired | Open` coproduct. A stringly \
-         status field, an `InProgress`/`Partial` state, or any other variant \
-         requires an explicit substrate amendment landing here before \
-         Verification's fold can read the new shape."
-    );
-}
-
-#[test]
-fn bridge_ledger_lowers_as_list_with_at_least_one_row() {
-    // The carrier file in `bridge_ledger.dag` is the row-count and
-    // row-content authority — no parallel Rust constant. This test
-    // pins the structural shape: lowers as `ValueBody::List`, every
-    // entry is a `FieldValue::Record`, list is non-empty (a future
-    // empty ledger would mean the BridgeLedgerZero gate is vacuously
-    // green; if that's intended, this assertion gets re-armed
-    // explicitly).
-    let dag = generated_full_bootstrap_dag();
-    let rows = list_value_body(&dag, BRIDGE_LEDGER);
-    assert!(
-        !rows.is_empty(),
-        "`{BRIDGE_LEDGER}` must carry at least one row; an empty ledger \
-         vacuously passes BridgeLedgerZero and is a substrate-shape change \
-         that must land deliberately."
-    );
-    for (idx, row) in rows.iter().enumerate() {
-        assert!(
-            matches!(row, FieldValue::Record(_)),
-            "row {idx} in `{BRIDGE_LEDGER}` is not a record literal: {row:?}"
-        );
-    }
-}
-
-#[test]
-fn bridge_ledger_names_are_unique() {
-    let dag = generated_full_bootstrap_dag();
-    let rows = list_value_body(&dag, BRIDGE_LEDGER);
-    let names: Vec<String> = rows
-        .iter()
-        .map(|row| {
-            let FieldValue::Record(fields) = row else {
-                panic!("non-record row in `{BRIDGE_LEDGER}`: {row:?}");
-            };
-            string_literal(record_field(fields, "name")).to_string()
-        })
-        .collect();
-    let unique: BTreeSet<String> = names.iter().cloned().collect();
-    assert_eq!(
-        unique.len(),
-        names.len(),
-        "`{BRIDGE_LEDGER}` must not carry duplicate `name` rows; got {names:?}"
-    );
-}
-
-#[test]
-fn bridge_ledger_status_resolves_to_bridge_status_constructor() {
-    // Every row's `status` field is a structural Variant, not a string;
-    // its constructor must be one of the two `BridgeStatus` variants.
-    // This is the property Verification's fold relies on to partition
-    // rows without name-matching.
-    let dag = generated_full_bootstrap_dag();
-    let bridge_status = dag
-        .declaration_by_name("BridgeStatus")
-        .expect("BridgeStatus missing from full bootstrap");
-    let allowed_constructors: HashSet<_> = match &bridge_status.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.ty).collect(),
-        other => panic!("BridgeStatus is not a Disj: {other:?}"),
-    };
-
-    let rows = list_value_body(&dag, BRIDGE_LEDGER);
-    for (idx, row) in rows.iter().enumerate() {
-        let FieldValue::Record(fields) = row else {
-            panic!("row {idx} not a record");
-        };
-        let status_field = record_field(fields, "status");
-        let constructor = match status_field {
-            FieldValue::Variant { constructor, .. } => *constructor,
-            other => panic!(
-                "row {idx} `status` must be a Variant carrying a `BridgeStatus` \
-                 constructor, not a string or other shape; got {other:?}"
-            ),
-        };
-        assert!(
-            allowed_constructors.contains(&constructor),
-            "row {idx} `status` constructor (DeclarationId {:?}) is not one of \
-             `BridgeStatus`'s declared variants. Drift here means a row landed \
-             with a status outside the closed coproduct.",
-            constructor
-        );
-    }
-}
-
-// ── TestPredicate::BridgeLedgerZero shape + runner ratchets ─────────
-
-fn compile_clean(source: &str, file: &str) -> Dag {
-    match compile_to_dag(source, file) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{file} should compile cleanly, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(err) => panic!("{file} should compile cleanly, got {err:?}"),
-    }
-}
-
-#[test]
-fn bridge_ledger_zero_predicate_carries_only_ledger_bridge_ledger_ref() {
-    // Verification's BridgeLedgerZero predicate contract: a single
-    // structural payload field `ledger: BridgeLedgerRef`. The wrapper
-    // makes the ledger-target intent structural at the field-type
-    // level (mirror of MethodRef / CallableRef); adding fields or
-    // regressing to bare `DeclarationRef` requires an explicit
-    // substrate amendment.
-    let dag = generated_full_bootstrap_dag();
-    let predicate = dag
-        .declaration_by_name("TestPredicate")
-        .expect("TestPredicate missing from bootstrap");
-    let TypeConnective::Disj { variants } = &predicate.connective else {
-        panic!("TestPredicate is not a Disj");
-    };
-    let bridge_variant = variants
-        .iter()
-        .find(|v| v.label == "BridgeLedgerZero")
-        .expect("TestPredicate::BridgeLedgerZero variant missing");
-    let payload = dag.declaration(bridge_variant.ty);
-    let labels: HashSet<String> = match &payload.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("BridgeLedgerZero payload must be a Conj record; got {other:?}"),
-    };
-    let expected: HashSet<String> = ["ledger"].iter().map(|s| s.to_string()).collect();
-    assert_eq!(
-        labels, expected,
-        "BridgeLedgerZero must carry exactly `{{ ledger: BridgeLedgerRef }}` per \
-         the Verification dispatch contract."
-    );
-    let ledger_field = match &payload.connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .find(|f| f.label == "ledger")
-            .expect("ledger field missing"),
-        _ => unreachable!(),
-    };
-    let ledger_decl = dag.declaration(ledger_field.ty);
-    assert_eq!(
-        ledger_decl.name.as_deref(),
-        Some("BridgeLedgerRef"),
-        "BridgeLedgerZero.ledger must point at the typed `BridgeLedgerRef` \
-         wrapper, not bare `DeclarationRef`; got {:?}",
-        ledger_decl.name
-    );
-    // BridgeLedgerRef wraps a single `decl: DeclarationRef` field —
-    // mirror of MethodRef / CallableRef.
-    let inner_labels: Vec<String> = match &ledger_decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("BridgeLedgerRef must be a Conj record; got {other:?}"),
-    };
-    assert_eq!(
-        inner_labels,
-        vec!["decl"],
-        "BridgeLedgerRef must wrap a single `decl: DeclarationRef`."
-    );
-}
-
-#[test]
-fn bridge_ledger_zero_runner_fails_with_named_open_rows_at_head() {
-    // At HEAD the canonical ledger still has Open rows. The runner must
-    // `Fail` and name every Open row in the diagnostic; do NOT pretend
-    // ledger-zero is already true. Once an `Open` row flips to
-    // `Retired` upstream the diagnostic narrows to the remaining open
-    // names; once all rows are `Retired` this test re-arms as a `Pass`
-    // ratchet.
-    let source = r#"
-data ledger_zero_claim: TestClaim = {
-  name: "bridge_ledger_zero_at_head",
-  source: "let x: Int = 1",
-  file_name: "bridge_ledger_zero_runner.v3",
-  predicate: BridgeLedgerZero { ledger: { decl: bridge_ledger } },
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "bridge_ledger_zero_runner_suite",
-  claims: [Enumerated(ledger_zero_claim)]
-}
-"#;
-    let dag = compile_clean(source, "bridge_ledger_zero_runner.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-    assert_eq!(results.len(), 1);
-    let reason = match &results[0].result {
-        ClaimResult::Fail(reason) => reason.clone(),
-        other => panic!("expected `Fail` (open rows present at HEAD); got {other:?}"),
-    };
-    // Single-authority discipline: do NOT hardcode the open/retired
-    // partition here — that would create a parallel Rust table that
-    // the carrier file in `bridge_ledger.dag` explicitly rules out.
-    // Derive both sets structurally from the same live ledger the
-    // runner read, then assert: every `Open` row's name appears in the
-    // failure diagnostic, every `Retired` row's name does not.
-    let bootstrap_dag = generated_full_bootstrap_dag();
-    let bridge_status = bootstrap_dag
-        .declaration_by_name("BridgeStatus")
-        .expect("BridgeStatus missing from full bootstrap");
-    let TypeConnective::Disj { variants } = &bridge_status.connective else {
-        panic!("BridgeStatus is not a Disj");
-    };
-    let retired_constructor = variants
-        .iter()
-        .find(|v| v.label == "Retired")
-        .expect("Retired variant missing")
-        .ty;
-    let rows = list_value_body(&bootstrap_dag, BRIDGE_LEDGER);
-    let mut open_rows: Vec<String> = Vec::new();
-    let mut retired_rows: Vec<String> = Vec::new();
-    for row in rows {
-        let FieldValue::Record(fields) = row else {
-            panic!("non-record row");
-        };
-        let name = string_literal(record_field(fields, "name")).to_string();
-        let constructor = match record_field(fields, "status") {
-            FieldValue::Variant { constructor, .. } => *constructor,
-            other => panic!("status not a Variant: {other:?}"),
-        };
-        if constructor == retired_constructor {
-            retired_rows.push(name);
-        } else {
-            open_rows.push(name);
-        }
-    }
-    assert!(
-        !open_rows.is_empty(),
-        "this test asserts behavior under at-least-one-Open; if every \
-         row flipped to `Retired` the runner now `Pass`es and this test \
-         re-arms as a Pass ratchet — invert the assertion in the same \
-         PR that flips the last row."
-    );
-    for row in &open_rows {
-        assert!(
-            reason.contains(row),
-            "BridgeLedgerZero failure message must name Open row `{row}`; got: {reason}"
-        );
-    }
-    for row in &retired_rows {
-        assert!(
-            !reason.contains(row),
-            "BridgeLedgerZero failure must NOT name retired row `{row}`; got: {reason}"
-        );
-    }
-}
-
-#[test]
-fn bridge_ledger_zero_runner_fails_closed_on_sibling_canonical_shape_ledger() {
-    // INVARIANTS P2 / single-authority: a sibling `List<BridgeLedgerRow>`
-    // declaration must NOT be accepted as a parallel ledger authority.
-    // Only the canonical `v3.std.bridge_ledger.bridge_ledger` is an
-    // accepted gate input — even a list whose element type IS
-    // `BridgeLedgerRow` and whose rows are well-formed must fail
-    // closed if the declaration identity is not the canonical one.
-    let source = r#"
-data sibling_ledger: List<BridgeLedgerRow> = []
-
-data sibling_claim: TestClaim = {
-  name: "sibling_canonical_shape_ledger",
-  source: "let x: Int = 1",
-  file_name: "bridge_ledger_zero_sibling.v3",
-  predicate: BridgeLedgerZero { ledger: { decl: sibling_ledger } },
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "bridge_ledger_zero_sibling_suite",
-  claims: [Enumerated(sibling_claim)]
-}
-"#;
-    let dag = compile_clean(source, "bridge_ledger_zero_sibling.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-    assert_eq!(results.len(), 1);
-    let reason = match &results[0].result {
-        ClaimResult::Fail(reason) => reason.clone(),
-        other => panic!("expected `Fail` for sibling List<BridgeLedgerRow>; got {other:?}"),
-    };
-    // Diagnostic must call out the canonical-identity check, not just
-    // type compatibility — `sibling_ledger` has the right element
-    // type, so a type-only check would let it slip through.
-    assert!(
-        reason.contains("canonical")
-            && (reason.contains("bridge_ledger") || reason.contains("authority")),
-        "BridgeLedgerZero failure for a sibling List<BridgeLedgerRow> must call \
-         out the canonical-identity check (single-authority); got: {reason}"
-    );
-}
-
-#[test]
-fn bridge_ledger_zero_runner_fails_closed_on_wrong_ledger_type() {
-    // Fail-closed type check (defense-in-depth alongside the canonical-
-    // identity check) at the claim boundary: a claim that points
-    // `BridgeLedgerZero { ledger: ... }` at any list-shaped declaration
-    // other than `List<BridgeLedgerRow>` must be rejected before row
-    // scanning. Without this guard, any list whose records happen to
-    // carry `name`/`status` would be silently accepted as a ledger; the
-    // predicate consumes the substrate carrier type, not look-alikes.
-    let source = r#"
-type FakeStatus = Yes | No
-
-type FakeLedgerRow {
-  name: String
-  status: FakeStatus
-}
-
-data fake_ledger: List<FakeLedgerRow> = [
-  {
-    name: "fake",
-    status: Yes
-  }
-]
-
-data wrong_type_claim: TestClaim = {
-  name: "wrong_ledger_type",
-  source: "let x: Int = 1",
-  file_name: "bridge_ledger_zero_wrong_type.v3",
-  predicate: BridgeLedgerZero { ledger: { decl: fake_ledger } },
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "bridge_ledger_zero_wrong_type_suite",
-  claims: [Enumerated(wrong_type_claim)]
-}
-"#;
-    let dag = compile_clean(source, "bridge_ledger_zero_wrong_type.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-    assert_eq!(results.len(), 1);
-    let reason = match &results[0].result {
-        ClaimResult::Fail(reason) => reason.clone(),
-        other => panic!("expected `Fail` for wrong-typed ledger; got {other:?}"),
-    };
-    // The canonical-identity check fires first (a wrong-typed ledger
-    // is never the canonical `bridge_ledger`), so the diagnostic
-    // surfaces the identity mismatch — not silently scan FakeLedgerRow
-    // as if it were BridgeLedgerRow. The type-check guard is still in
-    // place as defense-in-depth (covered by the unit tests below).
-    assert!(
-        reason.contains("canonical"),
-        "BridgeLedgerZero failure for wrong-typed ledger must call out the \
-         canonical-identity check; got: {reason}"
-    );
-    assert!(
-        reason.contains("fake_ledger"),
-        "failure should reference the offending declaration name; got: {reason}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/bridge_lower_helpers_patch_zero_residual_test.rs b/src/v3/compiler/tests/integration/bridge_lower_helpers_patch_zero_residual_test.rs
deleted file mode 100644
index b9904ce32c9..00000000000
--- a/src/v3/compiler/tests/integration/bridge_lower_helpers_patch_zero_residual_test.rs
+++ /dev/null
@@ -1,115 +0,0 @@
-//! **Layer:** integration
-//!
-//! Zero-residual **receipt + ratchet** for the PB Tier-2 lower-helper
-//! post-processing bridge: ledger row **`bridge_exact_string_patching_residual_retired`**
-//! is **`Retired`** in `src/v3/std/bridge_ledger.dag` for the **lower-helper slice**
-//! only (PB brief
-//! `docs/briefs/r2-pure-bootstrap-manager.md` names the sibling Tier-2 row as
-//! `bridge_patch_lower` + `_helpers_residual_retired` split across lines here
-//! so this source stays free of the contiguous forbidden token under scan).
-//! Remaining Row-4 semantic exact-string patching outside this slice is tracked
-//! as the open ledger row `bridge_exact_string_semantic_patching_residual`.
-//! See `docs/r3-structure.md` (T-Bridge-Retirement).
-//!
-//! ## Audit (PB v3-compiler crate, post–PR #1014)
-//!
-//! - Hand-audit / `rg` for the same **contiguous** token this test forbids (built
-//!   via `concat!` in code) should find **no occurrences** in any crate `.rs` or
-//!   `build.rs` after #1014’s deletions — this test enforces that predicate on
-//!   disk, **including this file** (no self-skip).
-//! - `build.rs` at the crate root → **no** contiguous `patch_lower` + `_helpers`
-//!   substring.
-//! - `src/lib.rs` is under `src/` and covered by the same walk as other compiler
-//!   Rust sources.
-//!
-//! ## Ratchet scope (narrow)
-//!
-//! Fails CI only if the **contiguous** symbol `patch_lower` + `_helpers` reappears
-//! in any `.rs` under this crate's `src/` or `tests/` trees, or in `build.rs`
-//! (including **this** file — no self-skip).
-//! Filesystem read failures fail the test (no silent skip — incomplete scans must
-//! not report a clean bill of health).
-//! This is specific to the **retired lower-helper generated-Rust exact-string patch
-//! class** from #1014 — it does **not** ban unrelated `String::replace` /
-//! template splicing (e.g. `build.rs` r1_gates lens splice, emitter `%Q` escapes).
-
-use std::ffi::OsStr;
-use std::fs;
-use std::path::{Path, PathBuf};
-
-/// Retired bridge symbols use this contiguous substring (`patch_lower` +
-/// `_helpers`, e.g. deleted `*_generated` / `*_refinement` helpers from #1014).
-/// Defined with `concat!` so this source file does not embed the forbidden spelling.
-const FORBIDDEN: &str = concat!("patch_lower", "_helpers");
-
-fn visit_rs(root: &Path, offenders: &mut Vec<String>, scan_errors: &mut Vec<String>) {
-    let read_dir = match fs::read_dir(root) {
-        Ok(rd) => rd,
-        Err(e) => {
-            scan_errors.push(format!("{}: read_dir: {e}", root.display()));
-            return;
-        }
-    };
-    for entry in read_dir {
-        let entry = match entry {
-            Ok(e) => e,
-            Err(e) => {
-                scan_errors.push(format!("{}: directory entry: {e}", root.display()));
-                continue;
-            }
-        };
-        let path = entry.path();
-        if path.is_dir() {
-            visit_rs(&path, offenders, scan_errors);
-            continue;
-        }
-        if path.extension() != Some(OsStr::new("rs")) {
-            continue;
-        }
-        let text = match fs::read_to_string(&path) {
-            Ok(t) => t,
-            Err(e) => {
-                scan_errors.push(format!("{}: read_to_string: {e}", path.display()));
-                continue;
-            }
-        };
-        if text.contains(FORBIDDEN) {
-            offenders.push(path.display().to_string());
-        }
-    }
-}
-
-#[test]
-fn lower_helpers_patch_bridge_exact_string_residual_stays_zero() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let mut offenders = Vec::new();
-    let mut scan_errors = Vec::new();
-
-    visit_rs(&manifest_dir.join("src"), &mut offenders, &mut scan_errors);
-    visit_rs(
-        &manifest_dir.join("tests"),
-        &mut offenders,
-        &mut scan_errors,
-    );
-
-    let build_rs = manifest_dir.join("build.rs");
-    match fs::read_to_string(&build_rs) {
-        Ok(text) => {
-            if text.contains(FORBIDDEN) {
-                offenders.push(build_rs.display().to_string());
-            }
-        }
-        Err(e) => {
-            scan_errors.push(format!("{}: read_to_string: {e}", build_rs.display()));
-        }
-    }
-
-    assert!(
-        scan_errors.is_empty(),
-        "lower_helper_patch_bridge_zero_residual: source scan must be complete (scan_errors: {scan_errors:?})"
-    );
-    assert!(
-        offenders.is_empty(),
-        "lower_helper_patch_bridge_zero_residual: `{FORBIDDEN}` must not reappear in v3-compiler Rust after PR #1014 (offenders: {offenders:?})"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/canonical_lens_bridge_ratchet_test.rs b/src/v3/compiler/tests/integration/canonical_lens_bridge_ratchet_test.rs
deleted file mode 100644
index 148b0fed071..00000000000
--- a/src/v3/compiler/tests/integration/canonical_lens_bridge_ratchet_test.rs
+++ /dev/null
@@ -1,211 +0,0 @@
-//! Zero-residual ratchet for the retired canonical lens-name dispatch bridge in `test_runner.rs`.
-//!
-//! Pins the retired bridge surface at zero so any reintroduction fails CI.
-//!
-//! The bridge was described in `docs/briefs/r2-pb-canonical-lens-bridge-disposition.md`
-//! and closed by `docs/briefs/r3-pb-bridge-canonical-lens-name-dispatch-closure.md`
-//! (gate `bridge_canonical_lens_name_dispatch_retired`, R3 T-Bridge-Retirement
-//! distributed bridge #3).
-//!
-//! Three categories are pinned:
-//!   A. `include_str!("…/lenses/<name>.dag")` calls.
-//!   B. `lens_decl.name.as_deref() == Some("<name>")` string-name dispatch arms.
-//!   C. Generic `lens_decl.name.as_deref()` name-keyed lookups (ones not
-//!      already counted in B).
-//!   D. Helper-shaped `DeclarationRef` to name-resolution dispatch for
-//!      canonical lens identity.
-
-use crate::common::strip_rust_comments;
-use std::fs;
-use std::path::PathBuf;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::{compile_to_dag, CompileError};
-
-fn test_runner_source() -> String {
-    let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("src")
-        .join("test_runner.rs");
-    fs::read_to_string(&path).expect("read test_runner.rs source")
-}
-
-fn compile_clean(source: &str, file: &str) -> v3_compiler::dag::Dag {
-    match compile_to_dag(source, file) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{file} should compile cleanly, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(err) => panic!("{file} should compile cleanly, got {err:?}"),
-    }
-}
-
-/// Category A: canonical-lens `include_str!` bridge constants in
-/// `test_runner.rs`. Counts pub-const definitions of the shape
-/// `pub const R1_CANONICAL_<NAME>_LENS: &str = include_str!` — any new
-/// canonical-lens `include_str!` const with this naming is caught by the
-/// ratchet, not just the two current names. Lines/blocks of comment text
-/// are stripped before scanning so docstring examples can't fabricate or
-/// mask growth.
-///
-/// Other `include_str!`-of-`/lenses/` cases (e.g. `INFER_HELPERS_SOURCE`)
-/// are not part of this bridge surface — they are not consumed via
-/// name-dispatch from a `lens_decl.name == …` arm and do not match the
-/// `R1_CANONICAL_*_LENS` naming.
-fn count_canonical_lens_include_str_bridges(src: &str) -> usize {
-    // Anchor on live syntax: scan tokens between "pub const " and "=".
-    let mut n = 0;
-    let mut rest = src;
-    let needle = "pub const ";
-    while let Some(idx) = rest.find(needle) {
-        let after = &rest[idx + needle.len()..];
-        // Bound the inspection window to the const's signature/initializer.
-        let window_end = after.find(';').map(|p| p + 1).unwrap_or(after.len());
-        let window = &after[..window_end];
-        // Match the canonical-lens const naming + include_str! initializer.
-        if let Some(eq_pos) = window.find('=') {
-            let (name_part, init_part) = window.split_at(eq_pos);
-            let name = name_part.trim().trim_end_matches(": &str").trim();
-            if name.starts_with("R1_CANONICAL_")
-                && name.ends_with("_LENS")
-                && init_part.contains("include_str!")
-            {
-                n += 1;
-            }
-        }
-        rest = after;
-    }
-    n
-}
-
-/// Category B: `lens_decl.name.as_deref() == Some("...")` string-name
-/// dispatch arms (the literal-equality comparisons).
-fn count_lens_name_eq_dispatches(src: &str) -> usize {
-    let mut n = 0;
-    let needle = "lens_decl.name.as_deref()";
-    let mut rest = src;
-    while let Some(idx) = rest.find(needle) {
-        let after = &rest[idx + needle.len()..];
-        // Count only the equality-to-Some("...") pattern, not the generic
-        // `if let Some(name) = lens_decl.name.as_deref()` form.
-        let trimmed = after.trim_start();
-        if trimmed.starts_with("== Some(\"") {
-            n += 1;
-        }
-        rest = after;
-    }
-    n
-}
-
-/// Category C: generic `if let Some(name) = lens_decl.name.as_deref()`
-/// name-keyed lookups.
-fn count_lens_name_lookups(src: &str) -> usize {
-    src.matches("if let Some(name) = lens_decl.name.as_deref()")
-        .count()
-}
-
-/// Category D: helper-shaped `DeclarationRef` identity checks that resolve
-/// the referenced declaration back to a spelling such as `cost_of`.
-fn count_declaration_ref_name_dispatch_helpers(src: &str) -> usize {
-    src.matches("declaration_ref_resolves_to_name").count()
-        + src.matches("declaration_by_name(\"cost_of\")").count()
-}
-
-const EXPECTED_INCLUDE_STR_LENS_BYTES: usize = 0;
-const EXPECTED_NAME_EQ_DISPATCH_ARMS: usize = 0;
-const EXPECTED_GENERIC_NAME_LOOKUPS: usize = 0;
-const EXPECTED_DECLARATION_REF_NAME_DISPATCH_HELPERS: usize = 0;
-
-#[test]
-fn canonical_lens_include_str_bridges_pinned() {
-    let src = strip_rust_comments(&test_runner_source());
-    let n = count_canonical_lens_include_str_bridges(&src);
-    assert_eq!(
-        n, EXPECTED_INCLUDE_STR_LENS_BYTES,
-        "test_runner.rs canonical-lens `include_str!` count drifted: \
-         expected {EXPECTED_INCLUDE_STR_LENS_BYTES}, found {n}. \
-         The canonical lens-name dispatch bridge is retired; any nonzero \
-         count reintroduces a production canonical-lens byte authority. \
-         Keep lens execution routed through the resolved fixture \
-         DeclarationRef, not through runner-owned `include_str!` bytes."
-    );
-}
-
-#[test]
-fn canonical_lens_name_dispatch_arms_pinned() {
-    let src = strip_rust_comments(&test_runner_source());
-    let n = count_lens_name_eq_dispatches(&src);
-    assert_eq!(
-        n, EXPECTED_NAME_EQ_DISPATCH_ARMS,
-        "test_runner.rs `lens_decl.name.as_deref() == Some(\"…\")` arm \
-         count drifted: expected {EXPECTED_NAME_EQ_DISPATCH_ARMS}, found \
-         {n}. The canonical lens-name dispatch bridge is retired; any \
-         nonzero count reintroduces name-keyed semantic dispatch on lens \
-         identity."
-    );
-}
-
-#[test]
-fn canonical_lens_generic_name_lookups_pinned() {
-    let src = strip_rust_comments(&test_runner_source());
-    let n = count_lens_name_lookups(&src);
-    assert_eq!(
-        n, EXPECTED_GENERIC_NAME_LOOKUPS,
-        "test_runner.rs generic `lens_decl.name.as_deref()` name-keyed \
-         lookup count drifted: expected {EXPECTED_GENERIC_NAME_LOOKUPS}, \
-         found {n}. The canonical lens-name dispatch bridge is retired; \
-         lens body selection must not route through declaration spelling."
-    );
-}
-
-#[test]
-fn canonical_lens_declaration_ref_name_dispatch_helpers_pinned() {
-    let src = strip_rust_comments(&test_runner_source());
-    let n = count_declaration_ref_name_dispatch_helpers(&src);
-    assert_eq!(
-        n, EXPECTED_DECLARATION_REF_NAME_DISPATCH_HELPERS,
-        "test_runner.rs DeclarationRef-to-name lens dispatch helper count \
-         drifted: expected {EXPECTED_DECLARATION_REF_NAME_DISPATCH_HELPERS}, \
-         found {n}. The canonical lens-name dispatch bridge is retired; \
-         semantic dispatch must not route by resolving a lens DeclarationRef \
-         back to declaration spelling."
-    );
-}
-
-#[test]
-fn bridge_retirement_demonstration() {
-    // R3 gate #69: execute one retired-bridge replacement path. The
-    // `lens_output_equals_gate` fixture carries `LensOutputEquals(
-    // named_function_count, ProgramInput {}, expected)`; the runner resolves
-    // the lens as a `DeclarationRef` in the fixture Dag and applies it through
-    // production `apply_lens_declaration`, not via canonical-lens
-    // `include_str!` bytes or `lens_decl.name` dispatch.
-    let src = strip_rust_comments(&test_runner_source());
-    assert_eq!(count_canonical_lens_include_str_bridges(&src), 0);
-    assert_eq!(count_lens_name_eq_dispatches(&src), 0);
-    assert_eq!(count_lens_name_lookups(&src), 0);
-    assert_eq!(count_declaration_ref_name_dispatch_helpers(&src), 0);
-
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let gate = manifest_dir.join("tests/fixtures/r1_gates.dag");
-    let source = fs::read_to_string(&gate).unwrap_or_else(|err| panic!("read {gate:?}: {err}"));
-    let dag = compile_clean(&source, "src/v3/compiler/tests/fixtures/r1_gates.dag");
-    let results = TestRunner::new(&dag).run_suite("r1_lens_output_equals_suite");
-
-    assert_eq!(results.len(), 1);
-    assert_eq!(results[0].claim_name, "lens_output_equals_gate");
-    assert_eq!(results[0].result, ClaimResult::Pass);
-}
-
-#[test]
-fn count_canonical_lens_catches_new_r1_canonical_const() {
-    // A future bridge addition under a different name MUST be caught by
-    // the ratchet — the prior exact-name predicate would have returned 2,
-    // missing the third bridge.
-    let src = r#"
-pub const R1_CANONICAL_NAMED_FUNCTION_COUNT_LENS: &str = include_str!("a.dag");
-pub const R1_CANONICAL_COMPLEXITY_LENS: &str = include_str!("b.dag");
-pub const R1_CANONICAL_FUTURE_BRIDGE_LENS: &str = include_str!("c.dag");
-pub const NOT_A_LENS_BRIDGE: &str = include_str!("d.dag");
-    "#;
-    assert_eq!(count_canonical_lens_include_str_bridges(src), 3);
-}
diff --git a/src/v3/compiler/tests/integration/cementing/cementing_provenance_origin_integration_test.rs b/src/v3/compiler/tests/integration/cementing/cementing_provenance_origin_integration_test.rs
deleted file mode 100644
index b3045575a27..00000000000
--- a/src/v3/compiler/tests/integration/cementing/cementing_provenance_origin_integration_test.rs
+++ /dev/null
@@ -1,79 +0,0 @@
-//! **Layer:** integration
-//!
-//! Provenance `origin_of` seam check on `compile_to_dag` fixtures (Band-C v3-native
-//! `COMPLETE` path). See retired `cementing_lens_registry_dispatch_test.rs` header for
-//! rationale; the five-way `Behavior → Origin` mirror must stay in sync with
-//! `src/v3/lenses/provenance.dag`.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Behavior, Dag, PortId};
-use v3_compiler::lens_provenance::{origin_of, Origin};
-
-fn assert_origin_carriers_equal(a: &Origin, b: &Origin, context: &str) {
-    match (a, b) {
-        (Origin::NoProducer, Origin::NoProducer) => {}
-        (Origin::MissingPort, Origin::MissingPort) => {}
-        (Origin::MissingBehavior, Origin::MissingBehavior) => {}
-        (Origin::Source { _0: x }, Origin::Source { _0: y }) => {
-            assert_eq!(x, y, "{context}: Source NodeId mismatch")
-        }
-        (Origin::Computed { _0: x }, Origin::Computed { _0: y }) => {
-            assert_eq!(x, y, "{context}: Computed NodeId mismatch")
-        }
-        (Origin::Selected { _0: x }, Origin::Selected { _0: y }) => {
-            assert_eq!(x, y, "{context}: Selected NodeId mismatch")
-        }
-        (Origin::Accumulated { _0: x }, Origin::Accumulated { _0: y }) => {
-            assert_eq!(x, y, "{context}: Accumulated NodeId mismatch")
-        }
-        _ => panic!("{context}: full Origin carrier mismatch\n  got: {a:?}\n  exp: {b:?}"),
-    }
-}
-
-fn assert_provenance_origin_matches_lens_authority(dag: &Dag, bind_name: &str, context: &str) {
-    let port = find_bind_value_port(dag, bind_name);
-    let got = origin_of(dag, &port);
-    let produced_by = dag
-        .port_opt(&port)
-        .unwrap_or_else(|| panic!("{context}: missing port for bind `{bind_name}`"))
-        .produced_by
-        .unwrap_or_else(|| {
-            panic!("{context}: bind `{bind_name}` value port has no producer (expected one)")
-        });
-    let behavior = dag
-        .nodes()
-        .iter()
-        .find(|b| b.id() == produced_by)
-        .unwrap_or_else(|| panic!("{context}: missing producer node {produced_by:?}"));
-    let expected = expected_origin_from_producer_behavior(behavior);
-    assert_origin_carriers_equal(&got, &expected, context);
-}
-
-fn expected_origin_from_producer_behavior(behavior: &Behavior) -> Origin {
-    match behavior {
-        Behavior::Value(v) => Origin::Source { _0: v.id },
-        Behavior::Transform(t) => Origin::Computed { _0: t.id },
-        Behavior::Branch(b) => Origin::Selected { _0: b.id },
-        Behavior::Loop(l) => Origin::Accumulated { _0: l.id },
-        Behavior::Bind(bind) => Origin::Source { _0: bind.id },
-    }
-}
-
-fn find_bind_value_port(dag: &Dag, name: &str) -> PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-#[test]
-fn provenance_origin_of_cements_complete_row_via_compile_to_dag_fixture() {
-    let dag = compile_to_dag("let lit: Int = 7", "cementing_provenance_lit.v3").expect("compiles");
-    assert_provenance_origin_matches_lens_authority(&dag, "lit", "cementing_provenance_lit");
-
-    let dag =
-        compile_to_dag("let sum: Int = 1 + 2", "cementing_provenance_sum.v3").expect("compiles");
-    assert_provenance_origin_matches_lens_authority(&dag, "sum", "cementing_provenance_sum");
-}
diff --git a/src/v3/compiler/tests/integration/cementing/complexity_lens_behavioral_completion.rs b/src/v3/compiler/tests/integration/cementing/complexity_lens_behavioral_completion.rs
deleted file mode 100644
index 2a1fce1d71b..00000000000
--- a/src/v3/compiler/tests/integration/cementing/complexity_lens_behavioral_completion.rs
+++ /dev/null
@@ -1,116 +0,0 @@
-//! **Layer:** integration
-//!
-//! Band-C cementing for `src/v3/lenses/complexity.dag`.
-//!
-//! This module is the same-PR receipt required when the capability register
-//! promotes a real-v2-counterpart lens to COMPLETE. The frozen v2-oracle values
-//! below are the structural expectations this slice must preserve while widening
-//! the v3 surface from `Lookup<Int>` to `Lookup<ComplexitySummary>`.
-//!
-//! Temporary Rust receipt: `.dag` `TestClaim` predicates cannot yet consume the
-//! published `ComplexitySummary` report carrier needed for this Band-C assertion
-//! (blocker: `Gate73_ReportPredicateCarriers`).
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{AsymptoticClass, Behavior, PortId, SymbolicCost};
-use v3_compiler::lens_cost::{complexity_of, Certainty, ComplexityLookup};
-
-fn find_bind_value(dag: &v3_compiler::dag::Dag, name: &str) -> PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-fn expect_summary(
-    dag: &v3_compiler::dag::Dag,
-    bind_name: &str,
-) -> v3_compiler::lens_cost::ComplexitySummary {
-    let port = find_bind_value(dag, bind_name);
-    match complexity_of(dag, &port) {
-        ComplexityLookup::Hit(summary) => summary,
-        ComplexityLookup::Miss => panic!("complexity_of returned Miss for bind `{bind_name}`"),
-    }
-}
-
-fn assert_proven(certainty: &Certainty, context: &str) {
-    assert!(
-        matches!(certainty, Certainty::Proven),
-        "{context}: expected Proven, got {certainty:?}"
-    );
-}
-
-fn contains_linear(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::LinearCost { .. } => true,
-        SymbolicCost::ProductCost { _0: terms } | SymbolicCost::SumCost { _0: terms } => {
-            terms.iter().any(|term| contains_linear(term.as_ref()))
-        }
-        _ => false,
-    }
-}
-
-fn run_with_lens_stack(f: impl FnOnce() + Send + 'static) {
-    std::thread::Builder::new()
-        .name("complexity-lens-cementing".to_string())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn complexity lens cementing thread")
-        .join()
-        .expect("complexity lens cementing thread should not panic");
-}
-
-#[test]
-fn literal_bind_cements_constant_complexity_summary() {
-    run_with_lens_stack(|| {
-        let dag = compile_to_dag("let lit: Int = 7", "cement_complexity_lit.v3")
-            .expect("literal fixture compiles");
-        let summary = expect_summary(&dag, "lit");
-
-        assert!(
-            matches!(summary.work, SymbolicCost::ConstantCost { _0: 0 }),
-            "literal work should be O(1) zero-cost source, got {:?}",
-            summary.work
-        );
-        assert!(
-            matches!(summary.span, SymbolicCost::ConstantCost { _0: 0 }),
-            "literal span should be O(1) zero-cost source, got {:?}",
-            summary.span
-        );
-        assert_eq!(summary.asymptotic_class, AsymptoticClass::ClassConstant);
-        assert_proven(&summary.work_certainty, "literal work certainty");
-        assert_proven(&summary.span_certainty, "literal span certainty");
-    });
-}
-
-#[test]
-fn recursive_countdown_cements_linear_work_and_span() {
-    run_with_lens_stack(|| {
-        let dag = compile_to_dag(
-            "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)",
-            "cement_complexity_countdown.v3",
-        )
-        .expect("recursive countdown fixture compiles");
-        let summary = expect_summary(&dag, "countdown");
-
-        assert!(
-            contains_linear(&summary.work),
-            "countdown work should consume CallPattern descent as a LinearCost term, got {:?}",
-            summary.work
-        );
-        assert!(
-            contains_linear(&summary.span),
-            "countdown span should consume CallPattern descent as a LinearCost term, got {:?}",
-            summary.span
-        );
-        assert_eq!(
-            summary.asymptotic_class,
-            AsymptoticClass::ClassUnknown,
-            "composite product classification stays conservative until degree arithmetic lands"
-        );
-        assert_proven(&summary.work_certainty, "countdown work certainty");
-        assert_proven(&summary.span_certainty, "countdown span certainty");
-    });
-}
diff --git a/src/v3/compiler/tests/integration/cementing/cost_lens_symbolic_consumer_test.rs b/src/v3/compiler/tests/integration/cementing/cost_lens_symbolic_consumer_test.rs
deleted file mode 100644
index e653bbce37d..00000000000
--- a/src/v3/compiler/tests/integration/cementing/cost_lens_symbolic_consumer_test.rs
+++ /dev/null
@@ -1,198 +0,0 @@
-//! **Layer:** integration
-//!
-//! Band-C cementing for the generated `symbolic_cost_of` consumer in
-//! `src/v3/lenses/cost.dag` (`regen_lens` → `cost_symbolic_lens_generated.rs`).
-//!
-//! Residual gate #78 Rust receipt for the generated symbolic-cost consumer.
-//! Gate #80 Band-C cementing for `cost_symbolic` now lives in
-//! `tests/dag/t_r3_gate_87_cementing_regen_cost_symbolic.dag`; this module
-//! keeps the remaining host-wrapper / `per_call_pattern_at` checks that are not
-//! the COMPLETE-row cementing authority.
-//!
-//! Frozen v2-projection contract for the abstract cost scope:
-//! - leaf literal cost projects to `SymbolicCost::ConstantCost(0)`;
-//! - unary recursive countdown projects to one linear size variable keyed by the
-//!   countdown parameter port, with no polynomial or unknown carrier.
-//!
-//! The live v2 oracle is intentionally not invoked here; R3 consumes reviewed
-//! frozen projections so v2-oracle retirement does not regain a test consumer.
-//!
-//! Gate **#78** (`e_p_sub_value_relation_per_call_landed`): integration tests pin **`symbolic_cost_of`**
-//! on unary countdown fixtures with **`assert_recursive_countdown_linear_semantics`** (linear-family).
-//! Evidence-index discipline for **`per_call_descent_operand_port`** / **`inputs[k]`** vs **`inputs[0]`**
-//! is additionally unit-tested on synthetic evidence in **`dag::tests`**
-//! (`call_pattern_from_relations_skips_leading_preserved_rows_for_descent_bound_index`) — terminating
-//! surface recursion proves descent on the **first** parameter only (`lower.rs`), so those indices do not
-//! currently surface from **`compile_to_dag`** multi-arg fixtures.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Behavior, PortId, SymbolicCost};
-use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-use v3_compiler::{analyze_symbolic_cost_dimension, DimensionReport, Witness};
-
-use crate::common::assert_recursive_countdown_linear_semantics;
-
-/// Single source of truth for the gate #78 regression fixture label (`compile_to_dag` second
-/// argument and `TransformNode.span.file` filter — keep them paired). Tracked debt: ROADMAP gate
-/// #78 row (*Test-side `span.file` bridge*).
-const E_P78_PER_CALL_PATTERN_FIXTURE_FILE: &str = "e_p78_cost_lens.v3";
-
-fn find_bind_value(dag: &v3_compiler::dag::Dag, name: &str) -> PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-fn find_bind_node(dag: &v3_compiler::dag::Dag, name: &str) -> v3_compiler::dag::NodeId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .id
-}
-
-/// Generated `symbolic_cost_of` lookup; see module docs for the frozen v2 projection scope.
-fn expect_symbolic_cost(dag: &v3_compiler::dag::Dag, bind_name: &str) -> SymbolicCost {
-    let port = find_bind_value(dag, bind_name);
-    match symbolic_cost_lookup(dag, &port) {
-        SymbolicCostLookup::Hit(cost) => cost,
-        SymbolicCostLookup::Miss => {
-            panic!("symbolic_cost_lookup returned Miss for bind `{bind_name}`")
-        }
-    }
-}
-
-fn expect_symbolic_cost_dimension(dag: &v3_compiler::dag::Dag, bind_name: &str) -> SymbolicCost {
-    let report = analyze_symbolic_cost_dimension(dag, find_bind_node(dag, bind_name));
-    let DimensionReport::DimensionOk {
-        dimension_name,
-        composed,
-        witnesses,
-    } = report
-    else {
-        panic!("analyze_symbolic_cost_dimension returned failure for bind `{bind_name}`");
-    };
-    assert_eq!(dimension_name, "symbolic_cost");
-    assert!(
-        witnesses.iter().all(|w| matches!(w, Witness::Inhabits(_))),
-        "symbolic cost dimension should only emit Inhabits witnesses for `{bind_name}`, got \
-         {witnesses:?}"
-    );
-    composed
-}
-
-fn linear_size_ports(cost: &SymbolicCost, out: &mut Vec<PortId>) {
-    match cost {
-        SymbolicCost::LinearCost { _0: var } | SymbolicCost::LogCost { _0: var } => {
-            out.push(var.source_port);
-        }
-        SymbolicCost::PolynomialCost { var, .. } => {
-            out.push(var.source_port);
-        }
-        SymbolicCost::ProductCost { _0: terms } | SymbolicCost::SumCost { _0: terms } => {
-            for term in terms.iter() {
-                linear_size_ports(term.as_ref(), out);
-            }
-        }
-        SymbolicCost::ConstantCost { .. } | SymbolicCost::UnknownCost { .. } => {}
-    }
-}
-
-fn run_with_symbolic_cost_stack(f: impl FnOnce() + Send + 'static) {
-    std::thread::Builder::new()
-        .name("symbolic-cost-consumer-test".to_string())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn symbolic cost consumer test thread")
-        .join()
-        .expect("symbolic cost consumer test thread should not panic");
-}
-
-#[test]
-fn literal_bind_pins_symbolic_cost_of_constant_on_fixture() {
-    run_with_symbolic_cost_stack(|| {
-        let dag = compile_to_dag("let lit: Int = 7", "cost_sym_lit.v3").expect("literal compiles");
-        let cost = expect_symbolic_cost(&dag, "lit");
-        let dimension_cost = expect_symbolic_cost_dimension(&dag, "lit");
-        assert_eq!(
-            dimension_cost, cost,
-            "dimension entrypoint should compose the same generated symbolic_cost_of carrier"
-        );
-
-        assert!(
-            matches!(cost, SymbolicCost::ConstantCost { _0: 0 }),
-            "frozen v2 projection: literal cost should project to ConstantCost(0), got {cost:?}"
-        );
-    });
-}
-
-#[test]
-fn recursive_countdown_pins_symbolic_cost_linear_and_sizevar_on_fixture() {
-    run_with_symbolic_cost_stack(|| {
-        let dag = compile_to_dag(
-            "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)",
-            "cost_sym_countdown.v3",
-        )
-        .expect("recursive countdown compiles");
-        let countdown = dag
-            .nodes()
-            .iter()
-            .filter_map(Behavior::as_bind)
-            .find(|bind| bind.name == "countdown")
-            .expect("countdown bind");
-        let parameter = countdown
-            .params
-            .first()
-            .copied()
-            .expect("countdown should have one size-bearing parameter port");
-        let cost = expect_symbolic_cost(&dag, "countdown");
-        let dimension_cost = expect_symbolic_cost_dimension(&dag, "countdown");
-        assert_eq!(
-            dimension_cost, cost,
-            "dimension entrypoint should compose the same generated symbolic_cost_of carrier"
-        );
-
-        let mut ports = Vec::new();
-        linear_size_ports(&cost, &mut ports);
-        assert!(
-            ports.contains(&parameter),
-            "frozen v2 projection: recursive countdown cost should carry a SizeVariable keyed \
-             by the parameter port {parameter:?}, got cost={cost:?}"
-        );
-        assert_recursive_countdown_linear_semantics(&cost);
-    });
-}
-
-/// R3 **gate #78** (`e_p_sub_value_relation_per_call_landed`) — cost lens consumes the same
-/// `per_call_pattern_at` substrate query as `complexity.dag`, projecting `SubValueRelation`
-/// rows from `per_call_descent_evidence` (see `docs/design-cost-lens-sizevar-dimension-wiring.md` §3.2).
-#[test]
-fn e_p_sub_value_relation_per_call_landed_cost_lens_routes_through_per_call_pattern_query() {
-    run_with_symbolic_cost_stack(|| {
-        let dag = compile_to_dag(
-            "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)",
-            E_P78_PER_CALL_PATTERN_FIXTURE_FILE,
-        )
-        .expect("compile");
-        let pattern_hits = dag
-            .nodes()
-            .iter()
-            .filter_map(Behavior::as_transform)
-            .filter(|t| {
-                t.span.file == E_P78_PER_CALL_PATTERN_FIXTURE_FILE
-                    && v3_compiler::dag::per_call_pattern_at(&dag, t.id).is_some()
-            })
-            .count();
-        assert!(
-            pattern_hits >= 1,
-            "expected >=1 user Callable transform with `per_call_pattern_at` Some (self-call \
-             evidence present so the cost lens can branch on recurrence)"
-        );
-        let cost = expect_symbolic_cost(&dag, "countdown");
-        assert_recursive_countdown_linear_semantics(&cost);
-    });
-}
diff --git a/src/v3/compiler/tests/integration/cementing/e_p_per_call_descent_lens_consumer_cementing.rs b/src/v3/compiler/tests/integration/cementing/e_p_per_call_descent_lens_consumer_cementing.rs
deleted file mode 100644
index 709a840667e..00000000000
--- a/src/v3/compiler/tests/integration/cementing/e_p_per_call_descent_lens_consumer_cementing.rs
+++ /dev/null
@@ -1,359 +0,0 @@
-//! **Layer:** integration (Band-C cementing — TESTING.md §"Band-C")
-//!
-//! Gate **#76** (`e_p_per_call_descent_evidence_full_coverage`) Phase-3
-//! **lens-consumer-path cementing ratchets** for cost.dag + complexity.dag on
-//! the producer-side fixture classes that `m2_substrate_inhabitance_test.rs`
-//! Phase-1 receipts already pin at the producer surface.
-//!
-//! **Ratchet status**: all 4 tests are `#[ignore]`'d pending the named
-//! follow-on **lens-consumer match-arm walker substrate extension** (canvas
-//! TBD — see `<canvas-link>` placeholder below; R3 Substrate Mgr to patch
-//! once the canvas lands per the `feedback_post_merge_ledger_receipt_sync`
-//! cycle). The tests are authored here so that:
-//!   - the §1.8 row #76 evidence-cite has a concrete file to point at;
-//!   - the lens-consumer-walker substrate extension PR can drop the
-//!     `#[ignore]` markers as part of its same-PR cementing receipt
-//!     (matching the hot-fix #2723 / `#[ignore]`'d-scaffold precedent);
-//!   - the worker authoring the extension has an executable fixture set
-//!     at hand instead of re-deriving them from the m2 producer receipts.
-//!
-//! ## The gap (consumer-side)
-//!
-//! Producer surface is correct (m2 receipts):
-//!   - `e_p_per_call_descent_evidence_classifies_match_payload_self_call_as_strict_sub_value`
-//!     pins `SubValueRelation::StrictSubValue` for `Cons(tail) => f(tail)`;
-//!   - `e_p_per_call_descent_evidence_emits_per_arg_relation_for_multi_arg_self_call`
-//!     pins per-arg `[StrictSubValue, SubValueUnknown, PreservedValue]`;
-//!   - `per_call_pattern_at` projects these to `CallPattern::ChildAccessorCall`
-//!     for the head argument (`e_p_per_call_pattern_projects_multi_arg_self_call_from_per_arg_evidence`).
-//!
-//! Consumer surface (`src/v3/lenses/complexity.dag` + `src/v3/lenses/cost.dag`)
-//! has **no match/Disj-arm walker**: `branch_summary` (`complexity.dag:330`)
-//! handles `Branch` behavior with `List<BranchPath>` (if-style); ADT match
-//! lowers through `Disj`/`Conj` behaviors that the summary walker never
-//! enters, so the `acc: List<ComplexityEntry>` table is never populated for
-//! match-arm result ports. The `ChildAccessorCall` arm at
-//! `complexity.dag:198,261` (and `cost.dag` sibling) is structurally
-//! reachable in principle, but is never reached at runtime for these
-//! fixtures because `compose_many_inputs` is never invoked on a match-arm
-//! result port. Result: `lookup_summary(acc, port)` returns `Miss` on the
-//! function's `bind.value` port; the lens `Lookup<ComplexitySummary>`
-//! returns `Miss` rather than a `LinearCost`-bearing `Hit`.
-//!
-//! Net: the 8 existing m2 producer receipts emit per-call descent evidence
-//! that the lenses cannot yet consume for ADT-typed recursive functions.
-//! Closing gate #76 §Acceptance to PASSING requires extending the lens
-//! consumer walker; canonical design references:
-//!   - `docs/design-complexity-lens-behavioral-completeness.md` §272, §282
-//!     (per-call-class behavioral completeness obligations);
-//!   - `docs/briefs/r3-t-e-p-producer-broadening-worker.md` Phase 3
-//!     (acceptance: per-lens v2-oracle cementing on each call-site class).
-//!
-//! ## Why ignored, not removed
-//!
-//! Per `feedback_only_claim_what_actually_exists`, scope-narrowing the gate
-//! to "Int-parameter recursive function class only" (the current sole Hit
-//! path) would falsely cash "full_coverage". Per Hot-fix #2723 precedent
-//! (Pattern-A scaffold with `#[ignore]`), preserving executable evidence
-//! of the gap in-tree under a named blocker is the correct shape: the
-//! evidence stays grep-discoverable from the §1.8 row, and dropping the
-//! `#[ignore]` is part of the follow-on PR's same-PR cementing receipt
-//! rather than that PR having to re-author the fixtures.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Behavior, PortId, SymbolicCost};
-use v3_compiler::lens_cost::{complexity_of, Certainty, ComplexityLookup, ComplexitySummary};
-use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-
-/// Named blocker shared across all `#[ignore]`'d ratchets in this file.
-/// Single source of truth so the follow-on lens-consumer-walker PR drops
-/// one constant rather than four duplicated strings.
-const LENS_CONSUMER_MATCH_ARM_WALKER_BLOCKER: &str =
-    "R3 gate #76 blocker: lens-consumer match-arm walker substrate extension required \
-     (complexity.dag + cost.dag have no Disj/match-arm summary fold; see module doc \
-     + docs/design-complexity-lens-behavioral-completeness.md §272/§282). \
-     Canvas link: TBD — R3 Substrate Mgr to patch via feedback_post_merge_ledger_receipt_sync.";
-
-fn find_bind_value(dag: &v3_compiler::dag::Dag, name: &str) -> PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-fn expect_summary(dag: &v3_compiler::dag::Dag, bind_name: &str) -> ComplexitySummary {
-    let port = find_bind_value(dag, bind_name);
-    match complexity_of(dag, &port) {
-        ComplexityLookup::Hit(summary) => summary,
-        ComplexityLookup::Miss => panic!("complexity_of returned Miss for bind `{bind_name}`"),
-    }
-}
-
-fn expect_symbolic_cost(dag: &v3_compiler::dag::Dag, bind_name: &str) -> SymbolicCost {
-    let port = find_bind_value(dag, bind_name);
-    match symbolic_cost_lookup(dag, &port) {
-        SymbolicCostLookup::Hit(cost) => cost,
-        SymbolicCostLookup::Miss => {
-            panic!("symbolic_cost_lookup returned Miss for bind `{bind_name}`")
-        }
-    }
-}
-
-fn cost_contains_polynomial_or_unknown(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::PolynomialCost { .. } | SymbolicCost::UnknownCost { .. } => true,
-        SymbolicCost::SumCost { _0: terms } | SymbolicCost::ProductCost { _0: terms } => terms
-            .iter()
-            .any(|t| cost_contains_polynomial_or_unknown(t.as_ref())),
-        _ => false,
-    }
-}
-
-fn cost_contains_linear(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::LinearCost { .. } => true,
-        SymbolicCost::ProductCost { _0: terms } | SymbolicCost::SumCost { _0: terms } => {
-            terms.iter().any(|t| cost_contains_linear(t.as_ref()))
-        }
-        _ => false,
-    }
-}
-
-fn linear_size_ports(cost: &SymbolicCost, out: &mut Vec<PortId>) {
-    match cost {
-        SymbolicCost::LinearCost { _0: var } | SymbolicCost::LogCost { _0: var } => {
-            out.push(var.source_port);
-        }
-        SymbolicCost::PolynomialCost { var, .. } => out.push(var.source_port),
-        SymbolicCost::ProductCost { _0: terms } | SymbolicCost::SumCost { _0: terms } => {
-            for term in terms.iter() {
-                linear_size_ports(term.as_ref(), out);
-            }
-        }
-        SymbolicCost::ConstantCost { .. } | SymbolicCost::UnknownCost { .. } => {}
-    }
-}
-
-fn assert_proven(certainty: &Certainty, context: &str) {
-    assert!(
-        matches!(certainty, Certainty::Proven),
-        "{context}: expected Proven, got {certainty:?}"
-    );
-}
-
-fn run_with_lens_stack(name: &'static str, f: impl FnOnce() + Send + 'static) {
-    std::thread::Builder::new()
-        .name(name.to_string())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn lens cementing thread")
-        .join()
-        .expect("lens cementing thread should not panic");
-}
-
-/// **Match-payload structural descent** — `Cons(tail) => ep_count_c(tail)`.
-/// Producer receipt pins `SubValueRelation::StrictSubValue` →
-/// `CallPattern::ChildAccessorCall { accessor: "_0" }`; this cementing
-/// ratchet pins the consumer-path expectation that `complexity_of` returns a
-/// `LinearCost`-bearing `Hit` on the bind value port. See module doc for
-/// the lens-consumer match-arm walker blocker.
-#[test]
-#[ignore = "see LENS_CONSUMER_MATCH_ARM_WALKER_BLOCKER constant + module doc — R3 gate #76 blocker"]
-fn match_payload_self_call_cements_complexity_lens_consumes_strict_sub_value() {
-    run_with_lens_stack("complexity-match-payload-cementing", || {
-        let dag = compile_to_dag(
-            "\
-type EpListC = EpNilC | EpConsC(EpListC)
-fn ep_count_c(xs: EpListC) -> Int =
-  match xs { EpConsC(tail) => ep_count_c(tail), EpNilC => 0 }
-",
-            "cement_e_p_match_payload_complexity.v3",
-        )
-        .expect("match-payload recursion fixture compiles");
-        let summary = expect_summary(&dag, "ep_count_c");
-
-        assert!(
-            !cost_contains_polynomial_or_unknown(&summary.work),
-            "match-payload tail-recursion work must consume `StrictSubValue` as a \
-             provable descent (no Polynomial/Unknown carriers); got {:?}",
-            summary.work
-        );
-        assert!(
-            cost_contains_linear(&summary.work),
-            "match-payload tail-recursion work should carry a `LinearCost` term on \
-             the descending parameter (frozen v2 projection), got {:?}",
-            summary.work
-        );
-        assert!(
-            cost_contains_linear(&summary.span),
-            "match-payload tail-recursion span should carry a `LinearCost` term on \
-             the descending parameter (frozen v2 projection), got {:?}",
-            summary.span
-        );
-        assert_proven(&summary.work_certainty, "match-payload work certainty");
-        assert_proven(&summary.span_certainty, "match-payload span certainty");
-    });
-}
-
-/// Cost-lens sibling of the complexity ratchet above. See module doc for
-/// the lens-consumer match-arm walker blocker.
-#[test]
-#[ignore = "see LENS_CONSUMER_MATCH_ARM_WALKER_BLOCKER constant + module doc — R3 gate #76 blocker"]
-fn match_payload_self_call_cements_symbolic_cost_consumes_strict_sub_value() {
-    run_with_lens_stack("cost-match-payload-cementing", || {
-        let dag = compile_to_dag(
-            "\
-type EpListD = EpNilD | EpConsD(EpListD)
-fn ep_count_d(xs: EpListD) -> Int =
-  match xs { EpConsD(tail) => ep_count_d(tail), EpNilD => 0 }
-",
-            "cement_e_p_match_payload_cost.v3",
-        )
-        .expect("match-payload recursion fixture compiles");
-        let bind = dag
-            .nodes()
-            .iter()
-            .filter_map(Behavior::as_bind)
-            .find(|b| b.name == "ep_count_d")
-            .expect("ep_count_d bind");
-        let parameter = bind
-            .params
-            .first()
-            .copied()
-            .expect("ep_count_d should have one parameter port");
-        let cost = expect_symbolic_cost(&dag, "ep_count_d");
-
-        assert!(
-            !cost_contains_polynomial_or_unknown(&cost),
-            "match-payload tail-recursion symbolic cost must consume `StrictSubValue` \
-             provable descent without Polynomial/Unknown carriers, got {cost:?}"
-        );
-        assert!(
-            cost_contains_linear(&cost),
-            "match-payload tail-recursion symbolic cost should carry a `LinearCost` \
-             term (frozen v2 projection), got {cost:?}"
-        );
-
-        let mut ports = Vec::new();
-        linear_size_ports(&cost, &mut ports);
-        assert!(
-            ports.contains(&parameter),
-            "match-payload SizeVariable must key off the descending parameter port \
-             {parameter:?} (the `xs` port), got cost={cost:?}"
-        );
-    });
-}
-
-/// **Multi-argument per-arg vector** — `ep_count_acc_e(tail, acc + 1, limit)`.
-/// Producer receipt pins per-arg `[StrictSubValue, SubValueUnknown,
-/// PreservedValue]`; this cementing ratchet pins the consumer-path
-/// expectation that the lens collapses to the head-argument descent —
-/// accumulator and preserved arguments must NOT introduce parallel
-/// `SizeVariable`s / `PolynomialCost` / `UnknownCost`. See module doc for
-/// the lens-consumer match-arm walker blocker.
-#[test]
-#[ignore = "see LENS_CONSUMER_MATCH_ARM_WALKER_BLOCKER constant + module doc — R3 gate #76 blocker"]
-fn multi_arg_self_call_cements_complexity_lens_collapses_to_head_descent() {
-    run_with_lens_stack("complexity-multi-arg-cementing", || {
-        let dag = compile_to_dag(
-            "\
-type EpListE = EpNilE | EpConsE(EpListE)
-fn ep_count_acc_e(xs: EpListE, acc: Int, limit: Int) -> Int =
-  match xs {
-    EpConsE(tail) => ep_count_acc_e(tail, acc + 1, limit),
-    EpNilE => acc
-  }
-",
-            "cement_e_p_multi_arg_complexity.v3",
-        )
-        .expect("multi-arg accumulator fixture compiles");
-        let summary = expect_summary(&dag, "ep_count_acc_e");
-
-        assert!(
-            !cost_contains_polynomial_or_unknown(&summary.work),
-            "multi-arg recursion work must collapse to head-arg descent — \
-             accumulator + preserved-arg must not introduce Polynomial/Unknown, \
-             got {:?}",
-            summary.work
-        );
-        assert!(
-            cost_contains_linear(&summary.work),
-            "multi-arg recursion work should carry a `LinearCost` term \
-             (per_call_pattern_at projects head-arg `StrictSubValue` to \
-             `ChildAccessorCall`), got {:?}",
-            summary.work
-        );
-        assert_proven(&summary.work_certainty, "multi-arg work certainty");
-        assert_proven(&summary.span_certainty, "multi-arg span certainty");
-    });
-}
-
-/// Cost-lens sibling: `symbolic_cost_lookup` on the multi-arg accumulator fixture
-/// must collapse to the descending-parameter `LinearCost`, not multiply across
-/// the preserved / accumulator arguments. See module doc for the
-/// lens-consumer match-arm walker blocker.
-#[test]
-#[ignore = "see LENS_CONSUMER_MATCH_ARM_WALKER_BLOCKER constant + module doc — R3 gate #76 blocker"]
-fn multi_arg_self_call_cements_symbolic_cost_collapses_to_head_descent() {
-    run_with_lens_stack("cost-multi-arg-cementing", || {
-        let dag = compile_to_dag(
-            "\
-type EpListF = EpNilF | EpConsF(EpListF)
-fn ep_count_acc_f(xs: EpListF, acc: Int, limit: Int) -> Int =
-  match xs {
-    EpConsF(tail) => ep_count_acc_f(tail, acc + 1, limit),
-    EpNilF => acc
-  }
-",
-            "cement_e_p_multi_arg_cost.v3",
-        )
-        .expect("multi-arg accumulator fixture compiles");
-        let bind = dag
-            .nodes()
-            .iter()
-            .filter_map(Behavior::as_bind)
-            .find(|b| b.name == "ep_count_acc_f")
-            .expect("ep_count_acc_f bind");
-        let descending_parameter = bind
-            .params
-            .first()
-            .copied()
-            .expect("ep_count_acc_f should have parameters");
-        let cost = expect_symbolic_cost(&dag, "ep_count_acc_f");
-
-        assert!(
-            !cost_contains_polynomial_or_unknown(&cost),
-            "multi-arg recursion symbolic cost must collapse to head-arg descent \
-             without Polynomial/Unknown carriers, got {cost:?}"
-        );
-
-        let mut ports = Vec::new();
-        linear_size_ports(&cost, &mut ports);
-        assert!(
-            ports.contains(&descending_parameter),
-            "multi-arg recursion SizeVariable must include the descending head \
-             parameter port {descending_parameter:?}, got cost={cost:?} ports={ports:?}"
-        );
-        for non_descending in bind.params.iter().skip(1) {
-            assert!(
-                !ports.contains(non_descending),
-                "multi-arg recursion must not introduce a SizeVariable for \
-                 non-descending parameter {non_descending:?} (accumulator / \
-                 preserved-arg), got cost={cost:?}"
-            );
-        }
-    });
-}
-
-/// Single grep-anchor that surfaces the blocker constant in clippy/grep output
-/// even on green CI; prevents the `#[ignore]` ratchets from going invisible
-/// while the lens-consumer-walker substrate canvas is pending.
-#[test]
-fn lens_consumer_match_arm_walker_blocker_constant_is_present() {
-    assert!(
-        LENS_CONSUMER_MATCH_ARM_WALKER_BLOCKER.contains("R3 gate #76 blocker"),
-        "blocker constant must remain grep-discoverable for §1.8 row #76 evidence-cite"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/cementing/effect_enumeration_lens_behavioral_completion.rs b/src/v3/compiler/tests/integration/cementing/effect_enumeration_lens_behavioral_completion.rs
deleted file mode 100644
index 95b75fddc24..00000000000
--- a/src/v3/compiler/tests/integration/cementing/effect_enumeration_lens_behavioral_completion.rs
+++ /dev/null
@@ -1,210 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #82 (`effect_enumeration_lens_behaviorally_complete`) Band-C receipt.
-//!
-//! The generated effect-enumeration lens must consume the canonical
-//! `v3.std.services::Operation` / `std.effects::operation_effect_shape` authority
-//! for operation rows, not only infer effects from raw `Dag.nodes` callable shape.
-//! These tests pin the public generated adapter until the same carrier assertions
-//! can move into `.dag` `TestClaim` data.
-
-use std::collections::BTreeMap;
-
-use v3_compiler::dag::{
-    operation_effect_shape, BreakingShape, CallableRef, CreateCause, EffectShape, HttpMethodScalar,
-    IdempotentShape, InputField, Operation, PathTemplate, RestEndpointBinding, UrlPathToken,
-};
-use v3_compiler::lens_effect_enumeration::{
-    operation_structural_effect_shape, StructuralEffectShape,
-};
-use v3_compiler::Dag;
-
-fn op(
-    dag: &Dag,
-    callable_name: &str,
-    method: HttpMethodScalar,
-    tokens: Vec<UrlPathToken>,
-) -> Operation {
-    let callable = dag
-        .declaration_by_name(callable_name)
-        .unwrap_or_else(|| panic!("missing callable declaration `{callable_name}`"))
-        .id;
-    let inputs = tokens
-        .iter()
-        .filter_map(|token| match token {
-            UrlPathToken::ParamToken { name } => Some((name.clone(), InputField {})),
-            UrlPathToken::LiteralToken { .. } => None,
-        })
-        .collect::<BTreeMap<_, _>>();
-    Operation {
-        callable: CallableRef { decl: callable },
-        inputs,
-        endpoint: RestEndpointBinding {
-            method,
-            path: PathTemplate { tokens },
-        },
-    }
-}
-
-fn op_with_inputs(
-    dag: &Dag,
-    callable_name: &str,
-    method: HttpMethodScalar,
-    tokens: Vec<UrlPathToken>,
-    input_names: &[&str],
-) -> Operation {
-    let callable = dag
-        .declaration_by_name(callable_name)
-        .unwrap_or_else(|| panic!("missing callable declaration `{callable_name}`"))
-        .id;
-    let inputs = input_names
-        .iter()
-        .map(|name| ((*name).to_string(), InputField {}))
-        .collect::<BTreeMap<_, _>>();
-    Operation {
-        callable: CallableRef { decl: callable },
-        inputs,
-        endpoint: RestEndpointBinding {
-            method,
-            path: PathTemplate { tokens },
-        },
-    }
-}
-
-#[test]
-fn effect_enumeration_lens_behaviorally_complete_classifies_operation_reads() {
-    let dag = Dag::new();
-    let read = op(&dag, "get_method", HttpMethodScalar::Get, vec![]);
-
-    assert!(matches!(
-        operation_structural_effect_shape(&read),
-        StructuralEffectShape::ReadShaped
-    ));
-}
-
-#[test]
-fn effect_enumeration_lens_behaviorally_complete_classifies_operation_writes() {
-    let dag = Dag::new();
-    let write = op(
-        &dag,
-        "map_insert_method",
-        HttpMethodScalar::Put,
-        vec![UrlPathToken::ParamToken {
-            name: "id".to_string(),
-        }],
-    );
-
-    assert!(matches!(
-        operation_structural_effect_shape(&write),
-        StructuralEffectShape::WriteShaped
-    ));
-}
-
-#[test]
-fn effect_enumeration_lens_behaviorally_complete_classifies_breaking_operations_as_writes() {
-    let dag = Dag::new();
-    let append = op(&dag, "append_method", HttpMethodScalar::Post, vec![]);
-    let create = op(&dag, "concat_method", HttpMethodScalar::Post, vec![]);
-
-    assert!(matches!(
-        operation_structural_effect_shape(&append),
-        StructuralEffectShape::WriteShaped
-    ));
-    assert!(matches!(
-        operation_structural_effect_shape(&create),
-        StructuralEffectShape::WriteShaped
-    ));
-}
-
-#[test]
-fn effect_enumeration_lens_behaviorally_complete_uses_callable_authority_over_transport() {
-    let dag = Dag::new();
-    let read_over_post = op(&dag, "get_method", HttpMethodScalar::Post, vec![]);
-    let write_over_get = op(
-        &dag,
-        "map_insert_method",
-        HttpMethodScalar::Get,
-        vec![UrlPathToken::ParamToken {
-            name: "id".to_string(),
-        }],
-    );
-    let breaking_over_get = op(&dag, "append_method", HttpMethodScalar::Get, vec![]);
-
-    assert!(matches!(
-        operation_structural_effect_shape(&read_over_post),
-        StructuralEffectShape::ReadShaped
-    ));
-    assert!(matches!(
-        operation_structural_effect_shape(&write_over_get),
-        StructuralEffectShape::WriteShaped
-    ));
-    assert!(matches!(
-        operation_structural_effect_shape(&breaking_over_get),
-        StructuralEffectShape::WriteShaped
-    ));
-}
-
-#[test]
-fn effect_enumeration_lens_behaviorally_complete_fails_closed_for_unknown_callable() {
-    let dag = Dag::new();
-    let unknown = op(&dag, "Int", HttpMethodScalar::Get, vec![]);
-
-    assert!(matches!(
-        operation_structural_effect_shape(&unknown),
-        StructuralEffectShape::UnknownEffect { .. }
-    ));
-    assert!(operation_effect_shape(&dag, &unknown).is_none());
-}
-
-#[test]
-fn effect_enumeration_lens_behaviorally_complete_does_not_use_path_without_input_authority() {
-    let dag = Dag::new();
-    let path_only_key = op_with_inputs(
-        &dag,
-        "map_insert_method",
-        HttpMethodScalar::Put,
-        vec![UrlPathToken::ParamToken {
-            name: "id".to_string(),
-        }],
-        &[],
-    );
-    let input_only_key = op_with_inputs(
-        &dag,
-        "map_insert_method",
-        HttpMethodScalar::Put,
-        vec![],
-        &["id"],
-    );
-
-    assert!(matches!(
-        operation_effect_shape(&dag, &path_only_key),
-        Some(EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::KeylessFallback {
-                method: HttpMethodScalar::Put
-            }
-        }))
-    ));
-    assert!(matches!(
-        operation_effect_shape(&dag, &input_only_key),
-        Some(EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::KeylessFallback {
-                method: HttpMethodScalar::Put
-            }
-        }))
-    ));
-
-    let coupled_key = op(
-        &dag,
-        "map_insert_method",
-        HttpMethodScalar::Put,
-        vec![UrlPathToken::ParamToken {
-            name: "id".to_string(),
-        }],
-    );
-    assert!(matches!(
-        operation_effect_shape(&dag, &coupled_key),
-        Some(EffectShape::IsIdempotent(
-            IdempotentShape::UpsertEffect { .. }
-        ))
-    ));
-}
diff --git a/src/v3/compiler/tests/integration/cementing/memory_peak_cost_basis_demo.rs b/src/v3/compiler/tests/integration/cementing/memory_peak_cost_basis_demo.rs
deleted file mode 100644
index 8d7cdd581b5..00000000000
--- a/src/v3/compiler/tests/integration/cementing/memory_peak_cost_basis_demo.rs
+++ /dev/null
@@ -1,78 +0,0 @@
-//! **Layer:** integration
-//!
-//! T-Lens-Application-Surface gate **#94** `memory_peak_cost_basis_demonstrated`.
-//!
-//! Exercises the cost-lens memory-peak authority in `v3_compiler::memory_peak_cost`:
-//! branch-arm peaks compose with [`v3_compiler::memory_peak_cost::compose_branch_memory_peak`]
-//! (**max dominance**, shared with branch work-cost aggregation in `lenses/cost.dag`).
-//! Enforcement matches `LensEnforcement` orientation from `src/v3/std/lens_application.dag`
-//! (`violates(declared_budget, observed)` ⇒ observed dominates declared).
-//!
-//! **Interim receipt.** Parser-level `apply_lens(cost, DeclarationScope,
-//! Enforce { budget: SymbolicCost { dimension: Memory, … } })` awaits the Slice B lens-fold
-//! consumer (`docs/r3-program-plan.md` gate #91).
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Behavior, BindNode, DegreeAtLeastTwo, SizeVariable, SymbolicCost};
-use v3_compiler::memory_peak_cost::{compose_branch_memory_peak, memory_peak_enforcement_violates};
-
-fn find_bind<'a>(dag: &'a v3_compiler::dag::Dag, name: &str) -> &'a BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-}
-
-fn run_with_cost_lens_stack(f: impl FnOnce() + Send + 'static) {
-    std::thread::Builder::new()
-        .stack_size(64 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn memory-peak demo thread")
-        .join()
-        .expect("memory-peak demo thread should not panic");
-}
-
-/// Design-lock name from `docs/design-lens-application-surface.md` §4.3 (traceability anchor).
-#[test]
-fn memory_peak_cost_basis_demo_function_models_branch_peak_exceeding_linear_budget() {
-    run_with_cost_lens_stack(|| {
-        let dag = compile_to_dag(
-            "fn my_memory_intensive_function(n: Int) -> Int =\n  if n <= 0 then 0 else n",
-            "t_las_memory_peak_gate94.v3",
-        )
-        .expect("fixture compiles");
-
-        let bind = find_bind(&dag, "my_memory_intensive_function");
-        let param = bind
-            .params
-            .first()
-            .copied()
-            .expect("model function should expose one SizeVariable-bearing parameter port");
-
-        // `display_name: None` = `String?` absent (`src/v3/std/algebra.dag` — `SizeVariable`).
-        let n = SizeVariable {
-            source_port: param,
-            display_name: None,
-        };
-
-        // Model two branch arms whose live peaks are quadratic vs constant —
-        // memory peak for the conditional is max(O(n²), O(1)).
-        let arm_heavy = SymbolicCost::PolynomialCost {
-            var: n.clone(),
-            degree: DegreeAtLeastTwo::TWO,
-        };
-        let arm_light = SymbolicCost::ConstantCost { _0: 0 };
-        let observed_peak = compose_branch_memory_peak(arm_heavy, arm_light);
-
-        // User-authored budgets are **thresholds**, not duplicated basis declarations
-        // (`docs/audit/t-user-authored-cost-basis-discipline-worked-examples.md`).
-        let declared_budget_mem_dim = SymbolicCost::LinearCost { _0: n };
-
-        assert!(
-            memory_peak_enforcement_violates(&declared_budget_mem_dim, &observed_peak),
-            "O(n²) modeled branch peak must exceed O(n) memory budget on the same size variable \
-             (budget={declared_budget_mem_dim:?}; observed_peak={observed_peak:?})",
-        );
-    });
-}
diff --git a/src/v3/compiler/tests/integration/common/budgeted.rs b/src/v3/compiler/tests/integration/common/budgeted.rs
deleted file mode 100644
index 31a94cb67c0..00000000000
--- a/src/v3/compiler/tests/integration/common/budgeted.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-//! Per-test wall-clock budgets for integration tests.
-//!
-//! Principle: a single `#[test]` that spends multiple seconds is usually
-//! either hanging or redoing full-pipeline work that should be shared
-//! (`std::sync::OnceLock`, module-level cache, or fewer parametrized cases).
-//!
-//! **Consumers:** same-PR as the helper (E-6-style discipline). Use the
-//! `budgeted_test!` macro from any `tests/*.rs` that declares `mod common;`
-//! (each integration test binary is its own crate; the macro expands to
-//! `$crate::common::budgeted::...`).
-
-use std::time::{Duration, Instant};
-
-/// Default single-test budget in milliseconds (3s).
-///
-/// CI runners (GitHub `ubuntu-latest`) occasionally exceed a 2s wall-clock
-/// budget on the first `compile_to_dag` + `symbolic_cost_of` path for a novel
-/// fixture key — enough margin prevents flaky `budgeted_test!` failures without
-/// weakening the "no multi-second hangs" intent.
-pub const DEFAULT_BUDGET_MS: u64 = 3000;
-
-/// Run `f` and panic if wall time exceeds `budget_ms`.
-pub fn with_budget_ms<F: FnOnce()>(budget_ms: u64, f: F) {
-    let budget = Duration::from_millis(budget_ms);
-    let start = Instant::now();
-    f();
-    let elapsed = start.elapsed();
-    assert!(
-        elapsed <= budget,
-        "test exceeded wall-clock budget: {:?} > {:?} — share expensive setup (OnceLock / \
-         module cache) or collapse fine-grained tests; full bootstrap + compile per test is not \
-         allowed",
-        elapsed,
-        budget
-    );
-}
diff --git a/src/v3/compiler/tests/integration/common/cached_compile.rs b/src/v3/compiler/tests/integration/common/cached_compile.rs
deleted file mode 100644
index 470a2cff99b..00000000000
--- a/src/v3/compiler/tests/integration/common/cached_compile.rs
+++ /dev/null
@@ -1,170 +0,0 @@
-//! Shared compile-to-dag cache for integration tests.
-//!
-//! **The problem.** Many integration tests call `compile_to_dag(source, file)`
-//! per `#[test]`. Each call pays the full bootstrap + pipeline cost (~200ms
-//! local, ~1-3s on CI cold runners). With 80+ tests per binary each doing one
-//! compile, the full v3 suite accumulates minutes of redundant work compiling
-//! the same trivial fixtures over and over.
-//!
-//! **The fix.** Per-`(source, file)` `OnceLock` cache. Within a test binary, the
-//! first caller for a given key pays the compile cost; every subsequent caller
-//! gets a clone of the cached outcome. Unrelated keys compile in parallel —
-//! [`compile_cell_for_key`] only holds the map mutex, so the compile itself runs
-//! outside the critical section inside [`OnceLock::get_or_init`].
-//!
-//! **Outcome-aware cache (not bare Dag).** `compile_to_dag` produces two facts:
-//! the Dag and the outcome kind (`Ok` vs `Err(Semantic)`). The cache stores
-//! [`CachedCompileOutcome`] rather than a bare `Dag` so the outcome kind survives
-//! the cache boundary. Without this the distinction would collapse — a later
-//! caller inspecting `diagnostics().is_empty()` is reading a proxy, not the
-//! actual fact. See `feedback_substrate_principle_audit` Q3 (facts flow
-//! forward) and the codex/ChatGPT review on PR #546.
-//!
-//! **Scope.** Per-test-binary (Rust integration tests are separate processes).
-//! Eliminates within-binary redundancy; cross-binary sharing would need
-//! serialized bootstrap Dag state on disk (separate project).
-
-use std::collections::HashMap;
-use std::sync::{Arc, LazyLock, Mutex, OnceLock};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::Dag;
-use v3_compiler::CompileError;
-
-/// Cached compile result. Preserves the outcome kind so callers that care
-/// about "did it compile cleanly" read the distinction structurally, not via
-/// a `diagnostics().is_empty()` proxy.
-#[derive(Debug, Clone)]
-pub enum CachedCompileOutcome {
-    /// `compile_to_dag` returned `Ok(dag)`.
-    Clean(Dag),
-    /// `compile_to_dag` returned `Err(CompileError::Semantic(dag))` — the
-    /// Dag is partial and carries diagnostics.
-    Semantic(Dag),
-}
-
-impl CachedCompileOutcome {
-    /// Returns a reference to the inner Dag regardless of outcome kind.
-    pub fn dag(&self) -> &Dag {
-        match self {
-            Self::Clean(dag) | Self::Semantic(dag) => dag,
-        }
-    }
-
-    /// True iff the compile was clean (`Ok`).
-    pub fn is_clean(&self) -> bool {
-        matches!(self, Self::Clean(_))
-    }
-}
-
-type CompileCell = Arc<OnceLock<CachedCompileOutcome>>;
-type CompileCacheMap = HashMap<(String, String), CompileCell>;
-
-static COMPILE_CACHE: LazyLock<Mutex<CompileCacheMap>> =
-    LazyLock::new(|| Mutex::new(CompileCacheMap::new()));
-
-/// Map lookup / insert only — must not call `compile_to_dag`; the guard must
-/// not survive past this return, so compilation stays out of the critical
-/// section.
-fn compile_cell_for_key(key: (String, String)) -> CompileCell {
-    let mut guard = COMPILE_CACHE.lock().expect("compile cache mutex");
-    guard
-        .entry(key)
-        .or_insert_with(|| Arc::new(OnceLock::new()))
-        .clone()
-}
-
-fn populate(source: &str, file: &str) -> CachedCompileOutcome {
-    match compile_to_dag(source, file) {
-        Ok(dag) => CachedCompileOutcome::Clean(dag),
-        Err(CompileError::Semantic(dag)) => CachedCompileOutcome::Semantic(dag),
-        Err(other) => panic!("unexpected structural error: {other:?}"),
-    }
-}
-
-/// Returns the full cached outcome for `(source, file)`. Use this when you
-/// need to distinguish clean vs semantic-error outcomes structurally (e.g.
-/// test predicates that check "did this compile?").
-pub fn cached_compile_outcome(source: &str, file: &str) -> CachedCompileOutcome {
-    let cell = compile_cell_for_key((source.to_string(), file.to_string()));
-    cell.get_or_init(|| populate(source, file)).clone()
-}
-
-/// Returns the Dag from a cached compile regardless of outcome kind —
-/// use when you specifically want to inspect diagnostics on a malformed
-/// fixture. Structural errors still panic.
-pub fn cached_compile_any(source: &str, file: &str) -> Dag {
-    match cached_compile_outcome(source, file) {
-        CachedCompileOutcome::Clean(dag) | CachedCompileOutcome::Semantic(dag) => dag,
-    }
-}
-
-/// Returns the Dag from a cached clean compile. Panics structurally if the
-/// cached outcome is `Semantic` — the enum variant is the authority, not a
-/// `diagnostics().is_empty()` proxy. The shared cache is safe: whichever
-/// helper populates a key first, `cached_compile_to_dag` enforces the
-/// clean-compile contract from the cached outcome on read.
-pub fn cached_compile_to_dag(source: &str, file: &str) -> Dag {
-    match cached_compile_outcome(source, file) {
-        CachedCompileOutcome::Clean(dag) => dag,
-        CachedCompileOutcome::Semantic(dag) => panic!(
-            "fixture expected to compile cleanly but produced semantic errors \
-             (source={source:?}, file={file:?}) — diagnostics: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    /// Regression lock for the cache contract (permissive→strict order):
-    /// warming a key through the permissive path (semantic-error fixture)
-    /// must NOT let a later strict caller silently succeed on the same key.
-    /// The strict helper reads the outcome variant directly, so
-    /// order-of-population doesn't matter.
-    #[test]
-    #[should_panic(expected = "compile cleanly but produced semantic errors")]
-    fn cached_compile_to_dag_panics_on_key_warmed_by_semantic_error() {
-        // Use a fixture that reliably produces a semantic error.
-        // A type mismatch is the smallest repro:
-        let bad_source = "let x: Int = \"not an int\"";
-        let key = "cached_compile_to_dag_order_regression.v3";
-
-        // Permissive path: warm the cache with a semantic-error outcome.
-        let warmed = cached_compile_any(bad_source, key);
-        assert!(
-            !warmed.diagnostics().is_empty(),
-            "sanity: fixture should produce at least one diagnostic"
-        );
-
-        // Strict path on the same key: must panic regardless of cache warmth.
-        let _ = cached_compile_to_dag(bad_source, key);
-    }
-
-    /// Regression lock for the cache contract (strict→permissive order):
-    /// warming a key through the strict path (clean-compile fixture) must
-    /// let a later permissive caller read the same Dag on the same key.
-    /// Pins the helper contract from the other direction so future
-    /// refactors cannot silently invert the cache semantics.
-    #[test]
-    fn cached_compile_any_returns_clean_dag_when_key_warmed_by_strict() {
-        let good_source = "let x: Int = 42";
-        let key = "cached_compile_any_order_regression.v3";
-
-        // Strict path: warm with a clean outcome.
-        let warmed = cached_compile_to_dag(good_source, key);
-        assert!(
-            warmed.diagnostics().is_empty(),
-            "sanity: clean fixture should produce no diagnostics"
-        );
-
-        // Permissive path on the same key: must return the cached clean Dag.
-        let retrieved = cached_compile_any(good_source, key);
-        assert!(
-            retrieved.diagnostics().is_empty(),
-            "permissive helper should surface the cached clean outcome, not re-derive"
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/common/determinism_fixtures.rs b/src/v3/compiler/tests/integration/common/determinism_fixtures.rs
deleted file mode 100644
index 545f0108b9c..00000000000
--- a/src/v3/compiler/tests/integration/common/determinism_fixtures.rs
+++ /dev/null
@@ -1,7 +0,0 @@
-//! Shared emit determinism matrix (DB-8 / Lane D).
-//!
-//! Single source of truth: `v3_compiler::emit_rust_roundtrip_fixtures` (see also
-//! `m1_3_emit_rust_test` + R1C-E `r1c_e_gates`).
-#![allow(dead_code)]
-
-pub use v3_compiler::emit_rust_roundtrip_fixtures::*;
diff --git a/src/v3/compiler/tests/integration/common/list_variant_tags.rs b/src/v3/compiler/tests/integration/common/list_variant_tags.rs
deleted file mode 100644
index 3fe2f3b6388..00000000000
--- a/src/v3/compiler/tests/integration/common/list_variant_tags.rs
+++ /dev/null
@@ -1,53 +0,0 @@
-//! Locate existing `List<elem>.Empty` `Instantiation` rows emitted by lowering.
-//!
-//! Integration tests assemble substrate-shaped [`v3_compiler::evaluator::Value`] carriers
-//! without mutating the [`v3_compiler::dag::Dag`] (no `push_declaration`). Any `List<τ>.Empty`
-//! tag must therefore reuse a declaration id that already exists in the compiled graph.
-
-use v3_compiler::dag::{Dag, DeclarationId, TypeConnective};
-
-/// Returns the `DeclarationId` for `List<elem>.Empty` matching `list_ty` (`List<elem>`).
-pub fn find_list_empty_constructor_tag(dag: &Dag, list_ty: DeclarationId) -> DeclarationId {
-    let list_decl = dag
-        .declaration_by_name("List")
-        .expect("bootstrap must define `List`");
-    let list_id = list_decl.id;
-    let empty_arm_ty = match &list_decl.connective {
-        TypeConnective::Disj { variants } => {
-            variants
-                .iter()
-                .find(|v| v.label == "Empty")
-                .expect("List.Empty arm")
-                .ty
-        }
-        other => panic!("`List` must be a Disj, got {other:?}"),
-    };
-    let elem_value = match &dag.declaration(list_ty).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } if *template == list_id && arguments.len() == 1 => arguments[0].value,
-        other => {
-            panic!("expected `List<elem>` instantiation for list_ty={list_ty:?}, got {other:?}")
-        }
-    };
-    dag.declarations()
-        .iter()
-        .find_map(|decl| {
-            let TypeConnective::Instantiation {
-                template,
-                arguments,
-            } = &decl.connective
-            else {
-                return None;
-            };
-            (*template == empty_arm_ty && arguments.len() == 1 && arguments[0].value == elem_value)
-                .then_some(decl.id)
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "no existing `Instantiation` for List<..>.Empty with element type {elem_value:?}; \
-                 lower at least one `Empty` expression at that list type in the same compile unit"
-            )
-        })
-}
diff --git a/src/v3/compiler/tests/integration/common/mod.rs b/src/v3/compiler/tests/integration/common/mod.rs
deleted file mode 100644
index ed81b8e8512..00000000000
--- a/src/v3/compiler/tests/integration/common/mod.rs
+++ /dev/null
@@ -1,392 +0,0 @@
-// Each test binary under `tests/` includes this module via
-// `mod common;`. A given binary may exercise only a subset of the API
-// surface (e.g. tests that only compile reflected-module harnesses
-// never touch `HarnessLinkMode::Standalone`). Suppress dead-code
-// warnings per-binary rather than carry a separate "which features
-// does this binary use" declaration.
-#![allow(dead_code, unused_imports)]
-
-//! Shared test harness for rustc-roundtrip integration tests.
-//!
-//! Lazy DI / RAII pattern. A `RustcHarness` is constructed once per
-//! test binary, holds the compiled rlib discovery state, and hands out
-//! temp-dir scratch space keyed by an atomic counter so tests running
-//! in parallel do not collide.
-//!
-//! Individual test files use `std::sync::OnceLock<PathBuf>` to compile
-//! their batched harness binaries on first access; once compiled, the
-//! binary is reused across every `#[test]` in that file. This is the
-//! concrete amortization win — without it, each `#[test]` that
-//! spawned rustc paid ~3-5s of cold codegen on CI.
-//!
-//! The harness does not auto-clean its scratch directory on Drop
-//! because the OS eventually reaps `/tmp` and because panics in tests
-//! benefit from leaving artifacts visible.
-
-pub mod budgeted;
-pub mod cached_compile;
-pub mod determinism_fixtures;
-pub mod list_variant_tags;
-pub mod r1_gates_bridge;
-pub mod rust_comment_strip;
-pub mod substrate_receipts;
-pub mod symbolic_cost_countdown;
-pub mod symbolic_cost_verification_fixture;
-
-pub use cached_compile::{
-    cached_compile_any, cached_compile_outcome, cached_compile_to_dag, CachedCompileOutcome,
-};
-pub use list_variant_tags::find_list_empty_constructor_tag;
-pub use r1_gates_bridge::{
-    assert_p0_host_sentinel_and_rest_gate_passes, assert_p0_repeat_string_correct_gate_passes,
-};
-pub use rust_comment_strip::strip_rust_comments;
-pub use symbolic_cost_countdown::assert_recursive_countdown_linear_semantics;
-pub use symbolic_cost_verification_fixture::{
-    escape_v3_string_literal_content, symbolic_cost_as_v3_data_initializer,
-};
-
-use std::io::Write;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-/// Run deep verification fixtures on a larger stack.
-///
-/// R3 author-now/fire-later verification fixtures currently recurse deeply
-/// through full bootstrap lowering plus `TestRunner` claim evaluation inside the
-/// consolidated integration test binary. Keep the workaround centralized and
-/// remove call sites once those verification paths no longer overflow the
-/// default test-thread stack.
-pub fn run_on_larger_stack<T>(f: impl FnOnce() -> T + Send + 'static) -> T
-where
-    T: Send + 'static,
-{
-    std::thread::Builder::new()
-        .stack_size(32 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn larger-stack integration thread")
-        .join()
-        .expect("larger-stack integration thread panicked")
-}
-
-/// Handle into the current test binary's `target/debug/deps` directory.
-/// All `--extern v3_compiler=...` flags resolve against this.
-pub fn deps_dir() -> PathBuf {
-    std::env::current_exe()
-        .expect("current test binary path")
-        .parent()
-        .expect("deps dir")
-        .to_path_buf()
-}
-
-/// Most recently built `.rlib` for `crate_name` in the deps directory.
-/// Picks the newest file so concurrent builds don't mismatch against
-/// stale rlibs from earlier test runs.
-pub fn find_current_rlib(crate_name: &str) -> PathBuf {
-    let prefix = format!("lib{crate_name}-");
-    let mut matches: Vec<PathBuf> = std::fs::read_dir(deps_dir())
-        .expect("read deps dir")
-        .filter_map(|entry| {
-            let path = entry.ok()?.path();
-            let file_name = path.file_name()?.to_str()?;
-            if file_name.starts_with(&prefix) && file_name.ends_with(".rlib") {
-                Some(path)
-            } else {
-                None
-            }
-        })
-        .collect();
-    matches.sort_by_key(|path| {
-        std::fs::metadata(path)
-            .and_then(|meta| meta.modified())
-            .ok()
-    });
-    matches
-        .into_iter()
-        .last()
-        .expect("compiled rlib for current crate")
-}
-
-pub use v3_compiler::integration_rs_wiring_scan::{
-    integration_rs_active_line_contains, integration_rs_cementing_path_attr_binds_mod_stem,
-};
-
-/// Harness for spawning rustc against generated-Rust harnesses.
-/// Holds the per-test-binary scratch root and a counter so parallel
-/// tests within the same binary get distinct temp dirs.
-pub struct RustcHarness {
-    scratch_dir: PathBuf,
-    child_index: AtomicUsize,
-}
-
-/// How the harness should link the compiled Rust:
-/// - `Standalone`: plain `rustc` invocation. Use for fully self-
-///   contained programs (emit_rust output with no external deps).
-/// - `WithV3Compiler`: pass `-L dependency=...` and `--extern
-///   v3_compiler=...` so the harness can import `v3_compiler::dag::*`
-///   at runtime (module-mode emissions, reflected-DAG walkers).
-pub enum HarnessLinkMode {
-    Standalone,
-    WithV3Compiler,
-}
-
-impl RustcHarness {
-    /// Construct a new harness rooted at a scratch dir named after
-    /// the caller's test binary pid. Two different test files can
-    /// safely construct their own harnesses — they will not share
-    /// scratch space.
-    pub fn new(scope: &str) -> Self {
-        let pid = std::process::id();
-        let scratch_dir = std::env::temp_dir().join(format!("v3_{scope}_{pid}"));
-        Self {
-            scratch_dir,
-            child_index: AtomicUsize::new(0),
-        }
-    }
-
-    /// Allocate a fresh scratch subdir for a compilation. Used
-    /// internally by `compile`; exposed so callers that need to
-    /// inject additional files (fixture data, test inputs) can
-    /// share the same directory.
-    pub fn next_child_dir(&self) -> PathBuf {
-        let id = self.child_index.fetch_add(1, Ordering::Relaxed);
-        let path = self.scratch_dir.join(format!("c{id}"));
-        std::fs::create_dir_all(&path).expect("create harness child dir");
-        path
-    }
-
-    /// Compile `rust_source` to a binary under `bin_name`, returning
-    /// the binary path. Caller is responsible for caching the path
-    /// (e.g. in a `OnceLock<PathBuf>`) if multiple tests should
-    /// share one compilation.
-    pub fn compile(&self, rust_source: &str, bin_name: &str, mode: HarnessLinkMode) -> PathBuf {
-        let tmp_dir = self.next_child_dir();
-        let src_path = tmp_dir.join("main.rs");
-        let bin_path = tmp_dir.join(bin_name);
-        std::fs::File::create(&src_path)
-            .and_then(|mut f| f.write_all(rust_source.as_bytes()))
-            .expect("write harness source");
-
-        let mut cmd = Command::new("rustc");
-        // Strip RUSTC_BOOTSTRAP before spawning rustc. The ratchet CI step sets
-        // RUSTC_BOOTSTRAP=1 at the outer shell so libtest accepts its unstable
-        // `--report-time` flag; without this removal the env var would leak to
-        // every child rustc invocation, flipping them into bootstrap mode and
-        // breaking the boundary-layer contract that these tests exercise the
-        // **real** stable toolchain (TESTING.md § test layers).
-        cmd.env_remove("RUSTC_BOOTSTRAP")
-            .arg("--edition=2021")
-            .arg(&src_path)
-            .arg("-o")
-            .arg(&bin_path);
-
-        if let HarnessLinkMode::WithV3Compiler = mode {
-            let deps = deps_dir();
-            let rlib = find_current_rlib("v3_compiler");
-            cmd.arg("-L")
-                .arg(format!("dependency={}", deps.display()))
-                .arg("--extern")
-                .arg(format!("v3_compiler={}", rlib.display()));
-        }
-
-        let status = cmd
-            .stdout(Stdio::inherit())
-            .stderr(Stdio::inherit())
-            .status()
-            .expect("invoke rustc — install a rust toolchain to run this test");
-        assert!(status.success(), "rustc failed on harness source");
-        bin_path
-    }
-
-    /// Run a compiled harness binary with `args`, asserting success
-    /// and returning trimmed stdout. On failure the stderr is
-    /// surfaced in the panic message so CI logs identify which
-    /// dispatch case broke.
-    pub fn run(bin: &Path, args: &[&str]) -> String {
-        let output = Command::new(bin)
-            .args(args)
-            .output()
-            .expect("run compiled harness");
-        assert!(
-            output.status.success(),
-            "compiled harness failed for args {args:?}: {}",
-            String::from_utf8_lossy(&output.stderr)
-        );
-        String::from_utf8_lossy(&output.stdout).trim().to_string()
-    }
-}
-
-// ────────────────────────────────────────────────────────────────────
-// Shared cost-lookup helpers (DB-14 test-fixture invariant)
-// ────────────────────────────────────────────────────────────────────
-//
-// Post-review-round 1b.5: the interpretation "for test fixtures, a
-// named bind's cost must be `FoundCost` with a non-negative value"
-// was duplicated across m1_3_lens_cost_test, thesis_validation_test,
-// and m1_5_testgen_test — and m1_5 had already drifted to the weaker
-// "only check MissingCost, don't validate sign" shape. These helpers
-// are the single expression of the fixture-side invariant: all three
-// test consumers route through them, and lens testgen's own Option-
-// returning variant in `src/v3/compiler/src/lens_testgen_body.txt:bind_cost_of`
-// uses the same two panic paths (it diverges only in treating
-// "bind not found" as `None` instead of panic, which is a legitimate
-// API-shape difference, not an interpretation difference).
-//
-// Both failure modes are compiler invariant violations at the
-// fixture boundary:
-//   - `MissingCost` — the lens emits no cost for a named bind the
-//     test explicitly constructed. Malformed fixture or lens regression.
-//   - negative `Hit(c)` — the complexity algebra is non-negative
-//     by construction; a negative value is an invariant violation
-//     upstream of the test.
-//
-// `context` is a caller-provided string used in panic messages so
-// the test failure names which bind/port/fixture tripped the assert.
-
-use v3_compiler::lens_cost::CostLookup;
-
-/// Extract a non-negative `i64` cost from a `CostLookup`, panicking
-/// with `context` on either invariant violation. Use when the caller
-/// wants an `i64` (e.g. passing to a comparison operator that takes
-/// `i64 × i64 → bool`).
-pub fn require_fixture_cost_i64(lookup: CostLookup, context: &str) -> i64 {
-    match lookup {
-        CostLookup::Hit(cost) => {
-            assert!(
-                cost >= 0,
-                "complexity lens emitted negative cost `{cost}` for {context} — \
-                 the complexity algebra is non-negative by construction; a negative \
-                 value is a compiler invariant violation upstream of this test."
-            );
-            cost
-        }
-        CostLookup::Miss => {
-            panic!(
-                "complexity lens returned Miss for {context} — malformed \
-                 fixture or lens regression (the named bind exists in the Dag but \
-                 has no cost entry)."
-            );
-        }
-    }
-}
-
-/// `usize` variant of `require_fixture_cost_i64`. Use when the
-/// caller indexes or compares as `usize` (the majority of cost-lens
-/// consumers). The sign check is redundant with `usize::try_from`
-/// but surfaces the "negative cost" diagnostic before the conversion
-/// rather than via a generic `TryFromIntError`.
-pub fn require_fixture_cost_usize(lookup: CostLookup, context: &str) -> usize {
-    let cost = require_fixture_cost_i64(lookup, context);
-    usize::try_from(cost).unwrap_or_else(|_| {
-        // Unreachable after the i64 helper's sign assert, but keeps
-        // the conversion-failure path explicit rather than silently
-        // wrapping — single-authority claim holds if nobody reads it.
-        panic!("complexity lens emitted cost that does not fit in usize for {context}: {cost}")
-    })
-}
-
-// ────────────────────────────────────────────────────────────────────
-// Per-test wall-clock budget macro (Layer 2 ratchet)
-// ────────────────────────────────────────────────────────────────────
-//
-// `#[macro_export]` places this at the integration-test crate root so
-// any `tests/*.rs` that declares `mod common;` can invoke
-// `budgeted_test! { ... }` unqualified.
-
-/// Per-test wall-clock budget (default 3s) for integration tests.
-///
-/// **Requires** `mod common;` at the top of the same `tests/*.rs` file: each
-/// integration test binary is its own crate, and the macro expands to
-/// `$crate::common::budgeted::with_budget_ms` / `DEFAULT_BUDGET_MS`, which only
-/// exist when `common` is linked (`budgeted` is a public submodule).
-///
-/// Forms:
-/// - `budgeted_test! { name, { ... } }` — default 3000 ms.
-/// - `budgeted_test! { 5000, name, { ... } }` — custom budget in ms.
-#[macro_export]
-macro_rules! budgeted_test {
-    ($ms:literal, $name:ident, $body:block) => {
-        #[test]
-        fn $name() {
-            $crate::common::budgeted::with_budget_ms($ms, || $body);
-        }
-    };
-    ($name:ident, $body:block) => {
-        #[test]
-        fn $name() {
-            $crate::common::budgeted::with_budget_ms(
-                $crate::common::budgeted::DEFAULT_BUDGET_MS,
-                || $body,
-            );
-        }
-    };
-}
-
-#[cfg(test)]
-mod integration_rs_scan_tests {
-    use super::integration_rs_active_line_contains;
-
-    #[test]
-    fn integration_rs_scan_skips_byte_char_literals_so_path_ratchet_still_sees_mod_list() {
-        let src = concat!(
-            "fn demo_bytes() {\n",
-            "let _slash = b'\\\\';\n",
-            "let _quote = b'\"';\n",
-            "let _apos = b'\\'';\n",
-            "}\n",
-            "#[path = \"integration/cementing/real.rs\"]\n",
-            "mod real;\n",
-        );
-        assert!(integration_rs_active_line_contains(
-            src,
-            r#"#[path = "integration/cementing/real.rs"]"#,
-        )
-        .unwrap());
-    }
-
-    #[test]
-    fn integration_rs_scan_skips_char_literal_containing_double_quote() {
-        let src = concat!(
-            "let _c = '\"';\n",
-            "#[path = \"integration/cementing/real.rs\"]\n",
-            "mod real;\n",
-        );
-        assert!(integration_rs_active_line_contains(
-            src,
-            r#"#[path = "integration/cementing/real.rs"]"#,
-        )
-        .unwrap());
-    }
-
-    #[test]
-    fn integration_rs_scan_accepts_path_after_lifetime() {
-        let src = r#"
-fn foo<'a>() {
-#[path = "integration/cementing/real.rs"]
-mod real;
-}
-"#;
-        assert!(integration_rs_active_line_contains(
-            src,
-            r#"#[path = "integration/cementing/real.rs"]"#,
-        )
-        .unwrap());
-    }
-
-    #[test]
-    fn integration_rs_scan_does_not_match_needle_inside_byte_char_literal() {
-        assert!(
-            !integration_rs_active_line_contains(concat!("let _ = b'#';", "\n"), "#",).unwrap()
-        );
-        assert!(integration_rs_active_line_contains(
-            concat!(
-                "let _ = b'#';",
-                "\n#[path = \"integration/cementing/real.rs\"]\n",
-                "mod real;\n",
-            ),
-            "#[path",
-        )
-        .unwrap());
-    }
-}
diff --git a/src/v3/compiler/tests/integration/common/r1_gates_bridge.rs b/src/v3/compiler/tests/integration/common/r1_gates_bridge.rs
deleted file mode 100644
index 7cde96652f5..00000000000
--- a/src/v3/compiler/tests/integration/common/r1_gates_bridge.rs
+++ /dev/null
@@ -1,54 +0,0 @@
-//! Shared receipts for `tests/fixtures/r1_gates.dag` R1C-B / T-P0 gates (`p0_repeat_string_correct` +
-//! `p0_repeat_string_space_pad_correct`, host sentinel / REST alignment suite).
-
-use std::path::PathBuf;
-
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::{compile_to_dag, CompileError};
-
-fn load_r1_gates_dag() -> v3_compiler::Dag {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let gate_path = manifest_dir.join("tests/fixtures/r1_gates.dag");
-    let gate_source = std::fs::read_to_string(&gate_path)
-        .unwrap_or_else(|e| panic!("read {}: {e}", gate_path.display()));
-    match compile_to_dag(&gate_source, "src/v3/compiler/tests/fixtures/r1_gates.dag") {
-        Ok(d) => d,
-        Err(CompileError::Semantic(err_dag)) => panic!(
-            "r1_gates.dag semantic errors: {:?}",
-            err_dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(e) => panic!("r1_gates.dag: {e:?}"),
-    }
-}
-
-/// Loads `r1_gates.dag` and asserts `p0_repeat_string_correct_gate` passes on every claim.
-pub fn assert_p0_repeat_string_correct_gate_passes() {
-    let dag = load_r1_gates_dag();
-    let results = TestRunner::new(&dag).run_suite("p0_repeat_string_correct_gate");
-    assert_eq!(results.len(), 2, "{results:?}");
-    for r in &results {
-        assert_eq!(
-            r.result,
-            ClaimResult::Pass,
-            "expected Pass on {}, got {:?}",
-            r.claim_name,
-            r
-        );
-    }
-}
-
-/// `p0_no_fabrication_sentinel` + `p0_rest_ops_aligned` (`ExecuteCommand` host scripts).
-pub fn assert_p0_host_sentinel_and_rest_gate_passes() {
-    let dag = load_r1_gates_dag();
-    let results = TestRunner::new(&dag).run_suite("p0_host_sentinel_and_rest_gate");
-    assert_eq!(results.len(), 2, "{results:?}");
-    for r in &results {
-        assert_eq!(
-            r.result,
-            ClaimResult::Pass,
-            "expected Pass on {}: {:?}",
-            r.claim_name,
-            r
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/common/rust_comment_strip.rs b/src/v3/compiler/tests/integration/common/rust_comment_strip.rs
deleted file mode 100644
index eed29aaeacc..00000000000
--- a/src/v3/compiler/tests/integration/common/rust_comment_strip.rs
+++ /dev/null
@@ -1,238 +0,0 @@
-//! Comment-aware source slicing for grep-style ratchets.
-//!
-//! Preserves string/char/raw-string literals so `//` inside `"…"` is not treated
-//! as a line comment — matches the lexical discipline from
-//! `canonical_lens_bridge_ratchet_test` (PR #1183 follow-up).
-
-/// Strip Rust comments from `src` so ratchets anchor on live syntax only.
-///
-/// See module docs for handled lexical forms.
-pub fn strip_rust_comments(src: &str) -> String {
-    let bytes = src.as_bytes();
-    let mut out = String::with_capacity(src.len());
-    let mut i = 0;
-    let n = bytes.len();
-    while i < n {
-        let b = bytes[i];
-        if let Some(open_len) = match_raw_string_open(bytes, i) {
-            let pounds = open_len - 2 - if bytes[i] == b'b' { 1 } else { 0 };
-            let body_start = i + open_len;
-            let close = find_raw_string_close(bytes, body_start, pounds);
-            let end = close + 1 + pounds;
-            out.push_str(&src[i..end.min(n)]);
-            i = end.min(n);
-            continue;
-        }
-        if b == b'"' || (b == b'b' && i + 1 < n && bytes[i + 1] == b'"') {
-            if b == b'b' {
-                out.push('b');
-                i += 1;
-            }
-            out.push('"');
-            i += 1;
-            while i < n {
-                let c = bytes[i];
-                out.push(c as char);
-                i += 1;
-                if c == b'\\' && i < n {
-                    out.push(bytes[i] as char);
-                    i += 1;
-                } else if c == b'"' {
-                    break;
-                }
-            }
-            continue;
-        }
-        if b == b'\''
-            || (b == b'b' && i + 1 < n && bytes[i + 1] == b'\'' && {
-                let test_start = i + 2;
-                let test_end = (i + 7).min(n);
-                let mut found = false;
-                let mut k = test_start;
-                while k < test_end {
-                    if bytes[k] == b'\\' && k + 1 < n {
-                        k += 2;
-                        continue;
-                    }
-                    if bytes[k] == b'\'' {
-                        found = true;
-                        break;
-                    }
-                    k += 1;
-                }
-                found
-            })
-        {
-            let tick_at = if b == b'b' {
-                out.push('b');
-                i += 1;
-                i
-            } else {
-                i
-            };
-            let lookahead_start = tick_at + 1;
-            let lookahead_end = (tick_at + 6).min(n);
-            let mut closing: Option<usize> = None;
-            let mut j = lookahead_start;
-            while j < lookahead_end {
-                if bytes[j] == b'\\' && j + 1 < n {
-                    j += 2;
-                    continue;
-                }
-                if bytes[j] == b'\'' {
-                    closing = Some(j);
-                    break;
-                }
-                j += 1;
-            }
-            if let Some(close) = closing {
-                out.push_str(&src[tick_at..=close]);
-                i = close + 1;
-                continue;
-            }
-            out.push('\'');
-            i = tick_at + 1;
-            continue;
-        }
-        if b == b'/' && i + 1 < n && bytes[i + 1] == b'/' {
-            i += 2;
-            while i < n && bytes[i] != b'\n' {
-                i += 1;
-            }
-            continue;
-        }
-        if b == b'/' && i + 1 < n && bytes[i + 1] == b'*' {
-            i += 2;
-            let mut depth: usize = 1;
-            while i + 1 < n && depth > 0 {
-                if bytes[i] == b'/' && bytes[i + 1] == b'*' {
-                    depth += 1;
-                    i += 2;
-                } else if bytes[i] == b'*' && bytes[i + 1] == b'/' {
-                    depth -= 1;
-                    i += 2;
-                } else {
-                    i += 1;
-                }
-            }
-            continue;
-        }
-        out.push(b as char);
-        i += 1;
-    }
-    out
-}
-
-fn match_raw_string_open(bytes: &[u8], i: usize) -> Option<usize> {
-    let n = bytes.len();
-    let mut p = i;
-    if p >= n {
-        return None;
-    }
-    if bytes[p] == b'b' {
-        p += 1;
-    }
-    if p >= n || bytes[p] != b'r' {
-        return None;
-    }
-    p += 1;
-    while p < n && bytes[p] == b'#' {
-        p += 1;
-    }
-    if p < n && bytes[p] == b'"' {
-        Some(p - i + 1)
-    } else {
-        None
-    }
-}
-
-fn find_raw_string_close(bytes: &[u8], body_start: usize, pounds: usize) -> usize {
-    let n = bytes.len();
-    let mut i = body_start;
-    while i < n {
-        if bytes[i] == b'"' {
-            let mut k = 0;
-            while k < pounds && i + 1 + k < n && bytes[i + 1 + k] == b'#' {
-                k += 1;
-            }
-            if k == pounds {
-                return i;
-            }
-        }
-        i += 1;
-    }
-    n.saturating_sub(pounds + 1)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::strip_rust_comments;
-
-    #[test]
-    fn strip_comments_removes_line_and_block_comments_but_preserves_strings() {
-        let src = r#"
-        // pub const R1_CANONICAL_FOO_LENS: &str = include_str!("...");
-        /* lens_decl.name.as_deref() == Some("ghost") */
-        let s = "// not a comment // still in string";
-        pub const REAL: &str = include_str!("real.dag");
-    "#;
-        let stripped = strip_rust_comments(src);
-        assert!(!stripped.contains("R1_CANONICAL_FOO_LENS"));
-        assert!(!stripped.contains("ghost"));
-        assert!(stripped.contains("// not a comment // still in string"));
-        assert!(stripped.contains("pub const REAL"));
-    }
-
-    #[test]
-    fn strip_comments_distinguishes_lifetimes_from_char_literals() {
-        let src = r#"
-        fn f<'a>(x: &'a str) {} // marker_after_lifetime
-        fn g(x: &'static str) {} // marker_after_static
-        let c = 'x'; // marker_after_char_literal
-        let escaped = '\n'; // marker_after_escape
-    "#;
-        let stripped = strip_rust_comments(src);
-        assert!(
-            !stripped.contains("marker_after_lifetime"),
-            "lifetime `'a` masked the line comment that follows it: {stripped}"
-        );
-        assert!(
-            !stripped.contains("marker_after_static"),
-            "lifetime `'static` masked the line comment that follows it: {stripped}"
-        );
-        assert!(!stripped.contains("marker_after_char_literal"));
-        assert!(!stripped.contains("marker_after_escape"));
-        assert!(stripped.contains("&'a str"));
-        assert!(stripped.contains("&'static str"));
-        assert!(stripped.contains("'x'"));
-    }
-
-    #[test]
-    fn strip_comments_handles_raw_strings() {
-        let src = r####"
-        let a = r"a // not a comment, b /* still raw */ c";
-        let b = r#"hash one " in middle"#;
-        let c = r##"two hashes "# still inside"##;
-        let d = br#"byte raw"#;
-        // marker_real_comment
-    "####;
-        let stripped = strip_rust_comments(src);
-        assert!(!stripped.contains("marker_real_comment"));
-        assert!(stripped.contains("a // not a comment"));
-        assert!(stripped.contains("b /* still raw */ c"));
-        assert!(stripped.contains("hash one \" in middle"));
-        assert!(stripped.contains("two hashes \"# still inside"));
-        assert!(stripped.contains("byte raw"));
-    }
-
-    #[test]
-    fn strip_comments_handles_nested_block_comments() {
-        let src = "code_a /* outer /* inner */ still_outer */ code_b // marker\n";
-        let stripped = strip_rust_comments(src);
-        assert!(stripped.contains("code_a"));
-        assert!(stripped.contains("code_b"));
-        assert!(!stripped.contains("inner"));
-        assert!(!stripped.contains("still_outer"));
-        assert!(!stripped.contains("marker"));
-    }
-}
diff --git a/src/v3/compiler/tests/integration/common/substrate_receipts.rs b/src/v3/compiler/tests/integration/common/substrate_receipts.rs
deleted file mode 100644
index f95c9222e68..00000000000
--- a/src/v3/compiler/tests/integration/common/substrate_receipts.rs
+++ /dev/null
@@ -1,476 +0,0 @@
-//! Structural receipts and small lenses for substrate integration tests.
-//! Keeps `m1_substrate_test` focused on claims instead of repeating the same
-//! `nodes().iter().filter_map` scaffolding.
-
-use std::collections::HashMap;
-
-use v3_compiler::dag::{
-    AtomPayload, Behavior, BindNode, Dag, DeclarationId, Field, LiteralBits, PortState,
-    TemplateArgument, TransformNode, TransformTarget, TypeConnective,
-};
-
-pub fn find_named(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("declaration `{name}` not found"))
-        .id
-}
-
-pub fn field<'a>(fields: &'a [Field], label: &str) -> &'a Field {
-    fields
-        .iter()
-        .find(|f| f.label == label)
-        .unwrap_or_else(|| panic!("field `{label}` not found"))
-}
-
-pub fn bind_value_type_decl(dag: &Dag, name: &str) -> DeclarationId {
-    let value_port = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Bind(bind) if bind.name == name => Some(bind.value),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("bind `{name}` not found"));
-    match dag.port(value_port).state() {
-        PortState::Resolved(ty) => ty.declaration,
-        other => panic!("bind `{name}` did not resolve, got {other:?}"),
-    }
-}
-
-pub fn callable_instantiation_arguments(
-    dag: &Dag,
-    template: DeclarationId,
-) -> Vec<&[TemplateArgument]> {
-    dag.nodes()
-        .iter()
-        .filter_map(|node| {
-            let Behavior::Transform(transform) = node else {
-                return None;
-            };
-            let TransformTarget::Callable(target) = transform.target else {
-                return None;
-            };
-            let TypeConnective::Instantiation {
-                template: inst_template,
-                arguments,
-            } = &dag.declaration(target).connective
-            else {
-                return None;
-            };
-            (*inst_template == template).then_some(arguments.as_slice())
-        })
-        .collect()
-}
-
-pub fn walk_instantiation_chain(
-    dag: &Dag,
-    start: DeclarationId,
-    subst: &mut HashMap<DeclarationId, DeclarationId>,
-) -> DeclarationId {
-    let mut current = start;
-    for _ in 0..16 {
-        match &dag.declaration(current).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                for arg in arguments {
-                    subst.insert(arg.parameter, arg.value);
-                }
-                current = *template;
-            }
-            _ => return current,
-        }
-    }
-    current
-}
-
-pub fn transforms_in_source_file<'a>(
-    dag: &'a Dag,
-    file: &'a str,
-) -> impl Iterator<Item = &'a TransformNode> + 'a {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .filter(move |t| t.span.file == file)
-}
-
-pub fn bind_named<'a>(dag: &'a Dag, name: &str) -> &'a BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|b| b.name == name)
-        .unwrap_or_else(|| panic!("Bind({name}) not found"))
-}
-
-fn peel_zero_arg_alias(dag: &Dag, mut current: DeclarationId) -> DeclarationId {
-    for _ in 0..16 {
-        match &dag.declaration(current).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => current = *template,
-            _ => return current,
-        }
-    }
-    panic!("zero-arg alias chain exceeded receipt peel bound at {current:?}")
-}
-
-fn resolve_atom_alias(dag: &Dag, mut current: DeclarationId) -> DeclarationId {
-    for _ in 0..16 {
-        match &dag.declaration(current).connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByName(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByStructure(next)) => current = *next,
-            _ => return current,
-        }
-    }
-    panic!("atom alias chain exceeded receipt peel bound at {current:?}")
-}
-
-fn assert_single_arg_instantiation(
-    dag: &Dag,
-    alias_name: &str,
-    template_name: &str,
-    argument: DeclarationId,
-    message: &str,
-) {
-    let alias_id = resolve_atom_alias(dag, find_named(dag, alias_name));
-    let template_id = find_named(dag, template_name);
-    let connective = &dag.declaration(alias_id).connective;
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = connective
-    else {
-        panic!("{alias_name} must resolve to {template_name}<…>; got {connective:?}");
-    };
-    assert_eq!(*template, template_id, "{message}");
-    assert_eq!(
-        arguments.len(),
-        1,
-        "{template_name}<…> takes one carrier argument in this construction receipt"
-    );
-    assert_eq!(arguments[0].value, argument, "{message}");
-}
-
-/// Receipt: `Nat` is the natural-number carrier `CommutativeSemiring<Magnitude>`.
-pub fn assert_bootstrap_nat_is_commutative_semiring_magnitude(dag: &Dag) {
-    let magnitude_id = find_named(dag, "Magnitude");
-    assert_single_arg_instantiation(
-        dag,
-        "Nat",
-        "CommutativeSemiring",
-        magnitude_id,
-        "Nat must be CommutativeSemiring<Magnitude>",
-    );
-}
-
-/// Receipt: abstract `Int` is `AbelianGroup<GroupCompletion<Nat>>`.
-pub fn assert_bootstrap_int_is_group_completion_of_nat(dag: &Dag) {
-    let nat_id = find_named(dag, "Nat");
-    let group_completion_id = find_named(dag, "GroupCompletion");
-    let int_id = resolve_atom_alias(dag, find_named(dag, "Int"));
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &dag.declaration(int_id).connective
-    else {
-        panic!("Int must resolve to AbelianGroup<GroupCompletion<Nat>>");
-    };
-    assert_eq!(
-        *template,
-        find_named(dag, "AbelianGroup"),
-        "Int must be AbelianGroup<GroupCompletion<Nat>>"
-    );
-    assert_eq!(arguments.len(), 1, "AbelianGroup<T> takes one carrier");
-    match &dag.declaration(arguments[0].value).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(
-                *template, group_completion_id,
-                "Int must complete Nat via GroupCompletion"
-            );
-            assert_eq!(arguments.len(), 1, "GroupCompletion<M> takes one carrier");
-            assert_eq!(
-                arguments[0].value, nat_id,
-                "Int must use Nat as the completed carrier"
-            );
-        }
-        other => panic!("Int carrier must be GroupCompletion<Nat>; got {other:?}"),
-    }
-}
-
-/// Receipt: `Rational` is exact `Field<FieldOfFractions<Int>>`.
-pub fn assert_bootstrap_rational_is_field_of_fractions_int(dag: &Dag) {
-    let field_of_fractions_id = find_named(dag, "FieldOfFractions");
-    let rational_id = resolve_atom_alias(dag, find_named(dag, "Rational"));
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &dag.declaration(rational_id).connective
-    else {
-        panic!("Rational must resolve to Field<FieldOfFractions<Int>>");
-    };
-    assert_eq!(
-        *template,
-        find_named(dag, "Field"),
-        "Rational must be Field<FieldOfFractions<Int>>"
-    );
-    assert_eq!(arguments.len(), 1, "Field<F> takes one carrier");
-    match &dag.declaration(arguments[0].value).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(
-                *template, field_of_fractions_id,
-                "Rational must use FieldOfFractions as its carrier"
-            );
-            assert_eq!(arguments.len(), 1, "FieldOfFractions<R> takes one carrier");
-            assert_eq!(
-                arguments[0].value,
-                find_named(dag, "Int"),
-                "Rational must be over Int"
-            );
-        }
-        other => panic!("Rational carrier must be FieldOfFractions<Int>; got {other:?}"),
-    }
-}
-
-/// Receipt: `Real` is approximate `ApproximateField<FieldOfFractions<Int>>`.
-pub fn assert_bootstrap_real_is_approximate_field_of_fractions_int(dag: &Dag) {
-    let field_of_fractions_id = find_named(dag, "FieldOfFractions");
-    let real_id = resolve_atom_alias(dag, find_named(dag, "Real"));
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &dag.declaration(real_id).connective
-    else {
-        panic!("Real must resolve to ApproximateField<FieldOfFractions<Int>>");
-    };
-    assert_eq!(
-        resolve_atom_alias(dag, *template),
-        find_named(dag, "ApproximateField"),
-        "Real must be ApproximateField<FieldOfFractions<Int>>"
-    );
-    assert_eq!(arguments.len(), 1, "ApproximateField<F> takes one carrier");
-    match &dag.declaration(arguments[0].value).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(
-                *template, field_of_fractions_id,
-                "Real must approximate the same FieldOfFractions<Int> carrier"
-            );
-            assert_eq!(arguments.len(), 1, "FieldOfFractions<R> takes one carrier");
-            assert_eq!(arguments[0].value, find_named(dag, "Int"));
-        }
-        other => panic!("Real carrier must be FieldOfFractions<Int>; got {other:?}"),
-    }
-}
-
-/// Second slot of `Compose<Algebra, MachineWidth<…>>` after R3 gate #60 Slice Z:
-/// literal-Nat phantom width (`MachineWidth<64>`, `MachineWidth<8>`, …).
-#[derive(Copy, Clone)]
-pub enum MachineWidthSlotWitness {
-    NamedCarrier(&'static str),
-    LiteralNatBits(&'static str),
-}
-
-fn assert_compose_with_machine_width(
-    dag: &Dag,
-    alias_name: &str,
-    algebra_name: &str,
-    width: MachineWidthSlotWitness,
-) {
-    let alias_id = peel_zero_arg_alias(dag, find_named(dag, alias_name));
-    let compose_id = find_named(dag, "Compose");
-    let algebra_id = find_named(dag, algebra_name);
-    let machine_width_id = find_named(dag, "MachineWidth");
-
-    let connective = &dag.declaration(alias_id).connective;
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = connective
-    else {
-        panic!("{alias_name} must resolve to a Compose instantiation, got {connective:?}");
-    };
-    assert_eq!(*template, compose_id);
-    assert_eq!(
-        arguments.len(),
-        2,
-        "Compose<{algebra_name}, MachineWidth<…>> takes two arguments"
-    );
-
-    let mut saw_algebra = false;
-    let mut saw_machine_width = false;
-    for arg in arguments {
-        if arg.value == algebra_id {
-            saw_algebra = true;
-            continue;
-        }
-        if let TypeConnective::Instantiation {
-            template: mw_template,
-            arguments: mw_args,
-        } = &dag.declaration(arg.value).connective
-        {
-            if *mw_template != machine_width_id || mw_args.len() != 1 {
-                continue;
-            }
-            let inner = &dag.declaration(mw_args[0].value).connective;
-            let matches = match width {
-                MachineWidthSlotWitness::NamedCarrier(name) => {
-                    mw_args[0].value == find_named(dag, name)
-                }
-                MachineWidthSlotWitness::LiteralNatBits(decimal) => {
-                    matches!(
-                        inner,
-                        TypeConnective::Atom(AtomPayload::Literal(LiteralBits::Int(s)))
-                            if s == decimal
-                    )
-                }
-            };
-            if matches {
-                saw_machine_width = true;
-            }
-        }
-    }
-    assert!(
-        saw_algebra,
-        "{alias_name} Compose must instantiate {algebra_name}"
-    );
-    let width_label = match width {
-        MachineWidthSlotWitness::NamedCarrier(n) => n.to_string(),
-        MachineWidthSlotWitness::LiteralNatBits(d) => format!("literal {d}"),
-    };
-    assert!(
-        saw_machine_width,
-        "{alias_name} Compose must include MachineWidth<{width_label}>"
-    );
-}
-
-/// Receipt: `Int64` is a width refinement `Compose<Int, MachineWidth<64>>` (R3 gate #19 + #60),
-/// not parallel `OrderedRing<Word64>` substrate. Abstract `Int` is
-/// `AbelianGroup<GroupCompletion<Nat>>` (Slice 3); fixed-width names compose it with
-/// the machine-width axis.
-pub fn assert_bootstrap_int64_compose_int_machine_width(dag: &Dag) {
-    assert_compose_with_machine_width(
-        dag,
-        "Int64",
-        "Int",
-        MachineWidthSlotWitness::LiteralNatBits("64"),
-    );
-}
-
-/// Receipt: `Int32` is a width refinement `Compose<Int, MachineWidth<32>>`.
-pub fn assert_bootstrap_int32_compose_int_machine_width(dag: &Dag) {
-    assert_compose_with_machine_width(
-        dag,
-        "Int32",
-        "Int",
-        MachineWidthSlotWitness::LiteralNatBits("32"),
-    );
-}
-
-/// Receipt: all fixed-width signed/unsigned aliases are width refinements of
-/// abstract `Int` / `UInt`, not parallel algebra substrate (R3 gate #19).
-pub fn assert_bootstrap_numeric_aliases_align_to_refinements(dag: &Dag) {
-    for (alias, algebra, width) in [
-        ("Int8", "Int", MachineWidthSlotWitness::LiteralNatBits("8")),
-        (
-            "Int16",
-            "Int",
-            MachineWidthSlotWitness::LiteralNatBits("16"),
-        ),
-        (
-            "Int32",
-            "Int",
-            MachineWidthSlotWitness::LiteralNatBits("32"),
-        ),
-        (
-            "Int64",
-            "Int",
-            MachineWidthSlotWitness::LiteralNatBits("64"),
-        ),
-        (
-            "Int128",
-            "Int",
-            MachineWidthSlotWitness::LiteralNatBits("128"),
-        ),
-        (
-            "UInt8",
-            "UInt",
-            MachineWidthSlotWitness::LiteralNatBits("8"),
-        ),
-        (
-            "UInt16",
-            "UInt",
-            MachineWidthSlotWitness::LiteralNatBits("16"),
-        ),
-        (
-            "UInt32",
-            "UInt",
-            MachineWidthSlotWitness::LiteralNatBits("32"),
-        ),
-        (
-            "UInt64",
-            "UInt",
-            MachineWidthSlotWitness::LiteralNatBits("64"),
-        ),
-        (
-            "UInt128",
-            "UInt",
-            MachineWidthSlotWitness::LiteralNatBits("128"),
-        ),
-    ] {
-        assert_compose_with_machine_width(dag, alias, algebra, width);
-    }
-
-    assert_bootstrap_float_aliases_real_width_refinements(dag);
-}
-
-/// Back-compat helper name retained for older tests; gate #19's canonical receipt
-/// is `assert_bootstrap_numeric_aliases_align_to_refinements`.
-pub fn assert_bootstrap_integer_aliases_align_to_refinements(dag: &Dag) {
-    assert_bootstrap_numeric_aliases_align_to_refinements(dag);
-}
-
-/// Receipt: fixed-width reals refine abstract `Real` with literal-Nat `MachineWidth<N>`
-/// (R3 gate #18 + #60), not parallel float carrier substrate.
-pub fn assert_bootstrap_real_aliases_align_to_refinements(dag: &Dag) {
-    for (alias, width) in [
-        ("Real32", MachineWidthSlotWitness::LiteralNatBits("32")),
-        ("Real64", MachineWidthSlotWitness::LiteralNatBits("64")),
-    ] {
-        assert_compose_with_machine_width(dag, alias, "Real", width);
-    }
-}
-
-/// Receipt: compatibility `Float32` / `Float64` names alias the same fixed-width
-/// `Real32` / `Real64` construction entries.
-pub fn assert_bootstrap_float_aliases_real_width_refinements(dag: &Dag) {
-    for (float_alias, real_alias) in [("Float32", "Real32"), ("Float64", "Real64")] {
-        let float_id = peel_zero_arg_alias(dag, find_named(dag, float_alias));
-        let real_id = peel_zero_arg_alias(dag, find_named(dag, real_alias));
-        assert_eq!(
-            float_id, real_id,
-            "{float_alias} should alias the canonical {real_alias} construction entry"
-        );
-    }
-}
-
-/// Receipt: the String audit is a documented-no-change state check; `String`
-/// must remain the free monoid over the single `Char` element carrier.
-pub fn assert_bootstrap_string_is_free_monoid_char(dag: &Dag) {
-    assert_single_arg_instantiation(
-        dag,
-        "String",
-        "FreeMonoid",
-        find_named(dag, "Char"),
-        "String must be FreeMonoid<Char>",
-    );
-}
diff --git a/src/v3/compiler/tests/integration/common/symbolic_cost_countdown.rs b/src/v3/compiler/tests/integration/common/symbolic_cost_countdown.rs
deleted file mode 100644
index 508896509be..00000000000
--- a/src/v3/compiler/tests/integration/common/symbolic_cost_countdown.rs
+++ /dev/null
@@ -1,39 +0,0 @@
-//! Regression helper for the canonical recursive **countdown** fixture.
-//!
-//! Unary tail recursion composes a loop iterate bound with the recurrence body; after gate **#78**
-//! descent-operand discipline and `collapse_unary_bind_tail_iterate_linear_product_if_duplicate_induction`,
-//! the symbolic carrier for the canonical `fn countdown(n: Int) -> Int` fixture must normalize to a bare
-//! **`LinearCost`** on the parameter — not a **`ProductCost(Linear, Linear)`** shell keyed off two
-//! distinct `PortId`s for the same induction chain.
-
-use v3_compiler::dag::SymbolicCost;
-
-/// Returns `true` when `cost` contains a `PolynomialCost` or `UnknownCost` anywhere under a
-/// composite tree walk (super-linear / ambiguous bound carriers).
-fn cost_contains_polynomial_or_unknown(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::PolynomialCost { .. } | SymbolicCost::UnknownCost { .. } => true,
-        SymbolicCost::SumCost { _0: terms } | SymbolicCost::ProductCost { _0: terms } => terms
-            .iter()
-            .any(|t| cost_contains_polynomial_or_unknown(t.as_ref())),
-        _ => false,
-    }
-}
-
-/// Pins **linear** symbolic cost for tail-recursive unary countdown: a single **`LinearCost`** on the
-/// formal parameter (post unary-bind iterate collapse). Rejects **`PolynomialCost`** /
-/// **`UnknownCost`** and rejects accidental **`ProductCost`** shells that would mask double-count
-/// regressions for gate **#78**.
-pub fn assert_recursive_countdown_linear_semantics(cost: &SymbolicCost) {
-    assert!(
-        !cost_contains_polynomial_or_unknown(cost),
-        "recursive countdown must not admit Polynomial / Unknown carriers (super-linear or \
-         ambiguous bound): got {cost:?}"
-    );
-
-    assert!(
-        matches!(cost, SymbolicCost::LinearCost { .. }),
-        "recursive countdown must normalize to a bare LinearCost on the unary parameter (gate #78 \
-         oracle); got {cost:?}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/common/symbolic_cost_verification_fixture.rs b/src/v3/compiler/tests/integration/common/symbolic_cost_verification_fixture.rs
deleted file mode 100644
index 462c3497486..00000000000
--- a/src/v3/compiler/tests/integration/common/symbolic_cost_verification_fixture.rs
+++ /dev/null
@@ -1,159 +0,0 @@
-//! Serialize [`v3_compiler::dag::SymbolicCost`] into v3 surface syntax for `data …: SymbolicCost = …`
-//! rows consumed by `SymbolicCostExprEquals` (gate **#40**).
-//!
-//! The initializer must parse under the same `std.algebra` / `std.substrate` / `std.list`
-//! imports used by hand-authored verification fixtures; keep this serializer aligned with
-//! `test_runner::field_value_to_symbolic_cost_eq_pattern` decoding rules.
-
-use v3_compiler::dag::{DegreeAtLeastTwo, NonSingletonList, SymbolicCost};
-
-/// Escape UTF-8 for embedding inside a v3 double-quoted string (e.g. `TestClaim.source`).
-///
-/// **Authority:** `src/v3/compiler/tokenize.dag` `StringEscapeSpec` rows — only `\\`, `\"`,
-/// `\n`, `\r`, and `\t` are decoded by the generated tokenizer. There is no `\u{…}` / hex escape
-/// surface; emitting unsupported escapes would **silently rewrite** source relative to what the
-/// lexer accepts (INVARIANTS P3 fail-closed). Callers must keep fixture text within this set or
-/// panic here forces an explicit fix.
-pub fn escape_v3_string_literal_content(s: &str) -> String {
-    let mut out = String::new();
-    for ch in s.chars() {
-        match ch {
-            '\\' => out.push_str("\\\\"),
-            '"' => out.push_str("\\\""),
-            '\n' => out.push_str("\\n"),
-            '\r' => out.push_str("\\r"),
-            '\t' => out.push_str("\\t"),
-            c if c < ' ' => {
-                panic!(
-                    "escape_v3_string_literal_content: unsupported C0 control U+{:04X} — \
-                     v3 `StringEscapeSpec` only supports \\\\, \\\", \\n, \\r, and \\t \
-                     (see `src/v3/compiler/tokenize.dag`); rewrite fixture source or extend the tokenizer",
-                    c as u32
-                );
-            }
-            c => out.push(c),
-        }
-    }
-    out
-}
-
-fn degree_at_least_two_v3(d: &DegreeAtLeastTwo) -> String {
-    match d {
-        DegreeAtLeastTwo::DegreeTwo => "DegreeTwo".to_string(),
-        DegreeAtLeastTwo::DegreeSuccessor { previous } => format!(
-            "DegreeSuccessor {{ previous: {} }}",
-            degree_at_least_two_v3(previous)
-        ),
-    }
-}
-
-fn symbolic_cost_list_tail_v3(terms: &[SymbolicCost]) -> String {
-    assert!(
-        terms.len() >= 2,
-        "NonSingletonList serialization requires at least two terms"
-    );
-    if terms.len() == 2 {
-        format!(
-            "two_terms({}, {})",
-            symbolic_cost_as_v3_data_initializer(&terms[0]),
-            symbolic_cost_as_v3_data_initializer(&terms[1])
-        )
-    } else {
-        let first = symbolic_cost_as_v3_data_initializer(&terms[0]);
-        let second = symbolic_cost_as_v3_data_initializer(&terms[1]);
-        let mut list = "empty()".to_string();
-        for t in terms[2..].iter().rev() {
-            list = format!(
-                "cons({}, {})",
-                symbolic_cost_as_v3_data_initializer(t),
-                list
-            );
-        }
-        format!("many_terms({}, {}, {})", first, second, list)
-    }
-}
-
-/// Lower a runtime [`SymbolicCost`] to a v3 `SymbolicCost` data expression (no trailing semicolon).
-pub fn symbolic_cost_as_v3_data_initializer(cost: &SymbolicCost) -> String {
-    match cost {
-        SymbolicCost::ConstantCost { _0: n } => format!("ConstantCost({n})"),
-        SymbolicCost::LinearCost { _0: sv } => format!(
-            "LinearCost(unnamed_size_variable(PortId({})))",
-            sv.source_port.raw()
-        ),
-        SymbolicCost::LogCost { _0: sv } => format!(
-            "LogCost(unnamed_size_variable(PortId({})))",
-            sv.source_port.raw()
-        ),
-        SymbolicCost::PolynomialCost { var, degree } => format!(
-            "PolynomialCost {{ var: unnamed_size_variable(PortId({})), degree: {} }}",
-            var.source_port.raw(),
-            degree_at_least_two_v3(degree)
-        ),
-        SymbolicCost::ProductCost { _0: nsl } => {
-            let v: Vec<SymbolicCost> = nsl.to_vec().into_iter().map(|b| *b).collect();
-            format!("ProductCost({})", symbolic_cost_list_tail_v3(&v))
-        }
-        SymbolicCost::SumCost { _0: nsl } => {
-            let v: Vec<SymbolicCost> = nsl.to_vec().into_iter().map(|b| *b).collect();
-            format!("SumCost({})", symbolic_cost_list_tail_v3(&v))
-        }
-        SymbolicCost::UnknownCost { _0: s } => {
-            let esc = escape_v3_string_literal_content(s);
-            format!("UnknownCost(\"{esc}\")")
-        }
-    }
-}
-
-#[cfg(test)]
-mod symbolic_cost_verification_fixture_tests {
-    use super::*;
-    use v3_compiler::dag::{Dag, NonSingletonList, SizeVariable, SymbolicCost};
-
-    #[test]
-    fn list_tail_two_terms_emits_two_terms_call() {
-        let a = SymbolicCost::ConstantCost { _0: 1 };
-        let b = SymbolicCost::ConstantCost { _0: 2 };
-        assert_eq!(
-            symbolic_cost_list_tail_v3(&[a.clone(), b.clone()]),
-            "two_terms(ConstantCost(1), ConstantCost(2))"
-        );
-        let got = symbolic_cost_as_v3_data_initializer(&SymbolicCost::SumCost {
-            _0: NonSingletonList::from_vec(vec![Box::new(a), Box::new(b)]).expect("two terms"),
-        });
-        assert_eq!(got, "SumCost(two_terms(ConstantCost(1), ConstantCost(2)))");
-    }
-
-    #[test]
-    fn linear_emits_unnamed_size_variable() {
-        let dag = Dag::new();
-        let p = dag
-            .ports()
-            .first()
-            .expect("empty dag should still allocate ports")
-            .id();
-        let c = SymbolicCost::LinearCost {
-            _0: SizeVariable {
-                source_port: p,
-                display_name: None,
-            },
-        };
-        let expected = format!("LinearCost(unnamed_size_variable(PortId({})))", p.raw());
-        assert_eq!(symbolic_cost_as_v3_data_initializer(&c), expected);
-    }
-
-    #[test]
-    #[should_panic(expected = "unsupported C0 control U+000B")]
-    fn escape_rejects_vertical_tab_not_in_string_escape_spec() {
-        escape_v3_string_literal_content("a\u{000b}b");
-    }
-
-    #[test]
-    fn escape_roundtrips_newline_for_gate40_fixture_shape() {
-        assert_eq!(
-            escape_v3_string_literal_content("a\nb"),
-            "a\\nb",
-            "newline must use tokenizer-backed \\n escape only"
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/common/wiring_scanner_test.rs b/src/v3/compiler/tests/integration/common/wiring_scanner_test.rs
deleted file mode 100644
index d32d705ac2b..00000000000
--- a/src/v3/compiler/tests/integration/common/wiring_scanner_test.rs
+++ /dev/null
@@ -1,165 +0,0 @@
-//! **Layer:** integration
-//!
-//! Unit tests for `tests/integration.rs` wiring scanners shared via `crate::common`
-//! (`integration_rs_active_line_contains`, `integration_rs_cementing_path_attr_binds_mod_stem`).
-
-use crate::common::{
-    integration_rs_active_line_contains, integration_rs_cementing_path_attr_binds_mod_stem,
-};
-
-fn md_table_cells(line: &str) -> Vec<String> {
-    let tmp = line.replace("\\|", "\u{241f}");
-    tmp.split('|')
-        .map(|s| s.replace('\u{241f}', "|").trim().to_string())
-        .collect()
-}
-
-fn register_row_has_real_v2_counterpart(v2_cell: &str) -> bool {
-    let v2 = v2_cell.trim().trim_matches('`');
-    !(v2.contains("None (v3-native)") || v2 == "N/A")
-}
-
-#[test]
-fn register_row_has_real_v2_counterpart_matches_testing_md_band_c() {
-    assert!(!register_row_has_real_v2_counterpart("None (v3-native)"));
-    assert!(!register_row_has_real_v2_counterpart(
-        "  None (v3-native)  "
-    ));
-    assert!(!register_row_has_real_v2_counterpart("N/A"));
-    assert!(!register_row_has_real_v2_counterpart("  `N/A`  "));
-    assert!(register_row_has_real_v2_counterpart(
-        "src/v3/lenses/complexity.dag (586L)"
-    ));
-}
-
-#[test]
-fn integration_rs_active_line_contains_rejects_commented_cementing_path() {
-    let src = r#"
-// #[path = "integration/cementing/ghost.rs"]
-// mod ghost;
-#[path = "integration/cementing/real.rs"]
-mod real;
-"#;
-    assert!(!integration_rs_active_line_contains(
-        src,
-        r#"#[path = "integration/cementing/ghost.rs"]"#,
-    )
-    .unwrap());
-    assert!(integration_rs_active_line_contains(
-        src,
-        r#"#[path = "integration/cementing/real.rs"]"#,
-    )
-    .unwrap());
-}
-
-#[test]
-fn integration_rs_active_line_contains_rejects_block_commented_cementing_path() {
-    let src = r#"/*
-#[path = "integration/cementing/ghost.rs"]
-mod ghost;
-*/
-#[path = "integration/cementing/real.rs"]
-mod real;
-"#;
-    assert!(!integration_rs_active_line_contains(
-        src,
-        r#"#[path = "integration/cementing/ghost.rs"]"#,
-    )
-    .unwrap());
-    assert!(integration_rs_active_line_contains(
-        src,
-        r#"#[path = "integration/cementing/real.rs"]"#,
-    )
-    .unwrap());
-}
-
-#[test]
-fn integration_rs_active_line_contains_errors_on_raw_string_in_code() {
-    let src = concat!("fn f() { r#\"", "hi", "\"#; }");
-    let err = integration_rs_active_line_contains(src, "nope").unwrap_err();
-    assert!(
-        err.contains("raw/byte string literal"),
-        "unexpected err: {err}"
-    );
-}
-
-#[test]
-fn integration_rs_cementing_path_attr_binds_mod_accepts_multiline() {
-    let src = concat!(
-        "#[path = \"integration/cementing/real.rs\"]\n",
-        "mod real;\n",
-    );
-    assert!(integration_rs_cementing_path_attr_binds_mod_stem(src, "real").unwrap());
-}
-
-#[test]
-fn integration_rs_cementing_path_attr_binds_mod_accepts_same_line() {
-    let src = "#[path = \"integration/cementing/real.rs\"] mod real;\n";
-    assert!(integration_rs_cementing_path_attr_binds_mod_stem(src, "real").unwrap());
-}
-
-#[test]
-fn integration_rs_cementing_path_attr_binds_mod_accepts_interleaved_attribute() {
-    let src = concat!(
-        "#[path = \"integration/cementing/real.rs\"]\n",
-        "#[allow(dead_code)]\n",
-        "mod real;\n",
-    );
-    assert!(integration_rs_cementing_path_attr_binds_mod_stem(src, "real").unwrap());
-}
-
-#[test]
-fn integration_rs_cementing_path_attr_binds_mod_rejects_mismatched_mod_name() {
-    let src = concat!(
-        "#[path = \"integration/cementing/real.rs\"]\n",
-        "mod decoy;\n\n",
-        "mod real;\n",
-    );
-    assert!(!integration_rs_cementing_path_attr_binds_mod_stem(src, "real").unwrap());
-}
-
-#[test]
-fn integration_rs_cementing_path_attr_binds_mod_rejects_stem_extra_mod_name() {
-    let src = concat!(
-        "#[path = \"integration/cementing/stem.rs\"]\n",
-        "mod stem_extra;\n",
-    );
-    assert!(!integration_rs_cementing_path_attr_binds_mod_stem(src, "stem").unwrap());
-}
-
-#[test]
-fn integration_rs_active_line_ignores_needle_inside_string_literal() {
-    let src = concat!(
-        "let _ = \"#[path = \\\"integration/cementing/decoy.rs\\\"]\";\n",
-        "#[path = \"integration/cementing/real.rs\"]\n",
-        "mod real;\n",
-    );
-    assert!(!integration_rs_active_line_contains(
-        src,
-        r#"#[path = "integration/cementing/decoy.rs"]"#,
-    )
-    .unwrap());
-    assert!(integration_rs_active_line_contains(
-        src,
-        r#"#[path = "integration/cementing/real.rs"]"#,
-    )
-    .unwrap());
-}
-
-#[test]
-fn md_table_cells_preserves_escaped_pipes_for_register_capability_rows() {
-    let row = "| a.dag | TERMINAL | COMPLETE | v2 path | FoundCost(Int) \\| MissingCost | note |";
-    let cells = md_table_cells(row);
-    assert!(
-        cells.len() >= 5,
-        "capability ratchet expects Lens, Structural, Behavioral, v2, … columns; got {cells:?}"
-    );
-    assert_eq!(cells[1].trim(), "a.dag");
-    assert_eq!(cells[3].trim(), "COMPLETE");
-    assert_eq!(cells[4].trim(), "v2 path");
-    assert_eq!(
-        cells[5].trim(),
-        "FoundCost(Int) | MissingCost",
-        "cell-internal `|` must survive `\\|` escaping (v3 output column)"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/coverage_defect_acceptance_dag_test.rs b/src/v3/compiler/tests/integration/coverage_defect_acceptance_dag_test.rs
deleted file mode 100644
index 8c11a35c2c1..00000000000
--- a/src/v3/compiler/tests/integration/coverage_defect_acceptance_dag_test.rs
+++ /dev/null
@@ -1,139 +0,0 @@
-//! **Layer:** integration
-//!
-//! Ratchet coverage-defect acceptance keys into the v4 coverage-lens
-//! substrate. The check is intentionally structural and stays at parse level
-//! because v4 single-file checks do not load sibling lens/std imports as a
-//! bundle yet.
-
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_surface::{SurfaceExpr, SurfaceItem, SurfaceRecordField};
-use v3_compiler::tokenize_for_test;
-
-use std::collections::BTreeSet;
-
-const COVERAGE_DAG: &str = include_str!("../../../../v4/lens/coverage.dag");
-const COVERAGE_PATH: &str = "src/v4/lens/coverage.dag";
-
-const EXPECTED_ACCEPTANCE_ROWS: &[(&str, &str)] = &[
-    (
-        "coverage_defect_discriminant_predicate",
-        "DiscriminantPredicate",
-    ),
-    ("coverage_defect_degenerate_type", "DegenerateType"),
-    ("coverage_defect_hollow_type", "HollowType"),
-    ("coverage_defect_carrier_clone", "CarrierClone"),
-    ("coverage_defect_catamorphism", "Catamorphism"),
-    ("coverage_defect_template_hole", "TemplateHole"),
-    ("coverage_defect_off_substrate_fact", "OffSubstrateFact"),
-    ("coverage_defect_wrong_home", "WrongHome"),
-    ("coverage_defect_vacuous_arm", "VacuousArm"),
-    ("coverage_defect_canonical_carrier", "CanonicalCarrier"),
-    ("coverage_defect_plausible_fallback", "PlausibleFallback"),
-    ("coverage_defect_parallel_authority", "ParallelAuthority"),
-    ("coverage_defect_skeleton_collapse", "SkeletonCollapse"),
-];
-
-const RETIRED_ACCEPTANCE_ROWS: &[(&str, &str)] = &[
-    ("coverage_defect_emit_template", "EmitTemplate"),
-    ("coverage_defect_string_escape_hatch", "StringEscapeHatch"),
-];
-
-#[test]
-fn coverage_defect_acceptance_keys_match_declared_rows() {
-    let module = parse_module(COVERAGE_DAG, COVERAGE_PATH);
-    let observed_variants = module
-        .items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::TypeSum { name, variants, .. } if name == "CoverageDefectKey" => Some(
-                variants
-                    .iter()
-                    .map(|variant| variant.name.as_str())
-                    .collect::<BTreeSet<_>>(),
-            ),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("{COVERAGE_PATH}: missing CoverageDefectKey coproduct"));
-    let expected_variants = EXPECTED_ACCEPTANCE_ROWS
-        .iter()
-        .map(|(_, variant)| *variant)
-        .collect::<BTreeSet<_>>();
-
-    assert_eq!(
-        observed_variants, expected_variants,
-        "{COVERAGE_PATH}: CoverageDefectKey variants must exactly match canonical coverage-defect keys"
-    );
-
-    let retired_variants = RETIRED_ACCEPTANCE_ROWS
-        .iter()
-        .map(|(_, variant)| *variant)
-        .collect::<BTreeSet<_>>();
-    assert!(
-        observed_variants.is_disjoint(&retired_variants),
-        "{COVERAGE_PATH}: retired emit-template / string-escape variants must not reappear"
-    );
-
-    let observed = module
-        .items
-        .iter()
-        .filter_map(|item| match item {
-            SurfaceItem::Data { name, body, .. } if name.starts_with("coverage_defect_") => Some((
-                name.as_str(),
-                acceptance_defect_variant(name, body.as_ref()),
-            )),
-            _ => None,
-        })
-        .collect::<BTreeSet<_>>();
-    let expected = EXPECTED_ACCEPTANCE_ROWS
-        .iter()
-        .copied()
-        .collect::<BTreeSet<_>>();
-
-    assert_eq!(
-        observed, expected,
-        "{COVERAGE_PATH}: coverage-defect acceptance rows must exactly map canonical keys"
-    );
-
-    let retired = RETIRED_ACCEPTANCE_ROWS
-        .iter()
-        .copied()
-        .collect::<BTreeSet<_>>();
-    assert!(
-        observed.is_disjoint(&retired),
-        "{COVERAGE_PATH}: retired emit-template / string-escape rows must not reappear"
-    );
-}
-
-fn acceptance_defect_variant<'a>(row_name: &str, body: Option<&'a SurfaceExpr>) -> &'a str {
-    let Some(SurfaceExpr::Record { fields, .. }) = body else {
-        panic!("{COVERAGE_PATH}: {row_name} must have a record initializer");
-    };
-    let concern = field_value(fields, "concern")
-        .unwrap_or_else(|| panic!("{COVERAGE_PATH}: {row_name} must initialize concern"));
-    let SurfaceExpr::VariantRecord { target, fields, .. } = concern else {
-        panic!("{COVERAGE_PATH}: {row_name}.concern must construct CoverageDefectAcceptanceKey");
-    };
-    assert_eq!(
-        target, "CoverageDefectAcceptanceKey",
-        "{COVERAGE_PATH}: {row_name}.concern must construct CoverageDefectAcceptanceKey"
-    );
-    let lens = field_value(fields, "lens")
-        .unwrap_or_else(|| panic!("{COVERAGE_PATH}: {row_name}.concern must initialize lens"));
-    let SurfaceExpr::Var { name, .. } = lens else {
-        panic!("{COVERAGE_PATH}: {row_name}.concern.lens must be a CoverageDefectKey variant");
-    };
-    name.as_str()
-}
-
-fn field_value<'a>(fields: &'a [SurfaceRecordField], name: &str) -> Option<&'a SurfaceExpr> {
-    fields
-        .iter()
-        .find(|field| field.name == name)
-        .map(|field| &field.value)
-}
-
-fn parse_module(source: &str, file: &str) -> v3_compiler::parse_surface::SurfaceModule {
-    let tokens = tokenize_for_test(source, file)
-        .unwrap_or_else(|diag| panic!("{file}: tokenization failed: {diag:?}"));
-    parse_for_test(&tokens, file).unwrap_or_else(|diag| panic!("{file}: parse failed: {diag:?}"))
-}
diff --git a/src/v3/compiler/tests/integration/cross_target_coverage_carrier_test.rs b/src/v3/compiler/tests/integration/cross_target_coverage_carrier_test.rs
deleted file mode 100644
index 1dfab49f676..00000000000
--- a/src/v3/compiler/tests/integration/cross_target_coverage_carrier_test.rs
+++ /dev/null
@@ -1,439 +0,0 @@
-//! **Layer:** integration
-//!
-//! Slice-active ratchet for the L6 `EmissionPathProjection` substrate
-//! carrier slice authored at `src/v3/std/cross_target_coverage.dag` per
-//! Director Option 2 RATIFIED at gunbc#828 #issuecomment-4377533390 and the
-//! worker brief
-//! `docs/briefs/r3-l6-emission-path-projection-substrate-worker.md`.
-//!
-//! **What this slice asserts (load-bearing now):**
-//!
-//! 1. The six type declarations exist with the ratified field shapes
-//!    (typed-substrate read; no string scan): `ShapeATarget`, `FormAxis`,
-//!    `BehaviorAxis`, `MethodTemplateContractKey`, `EmissionCell`,
-//!    `EmissionPathProjection`.
-//! 2. `emission_path_projections` is populated exactly once per current
-//!    Phase-1 `MethodTemplateContract` source row: Rust 13, Python 16, Go 12
-//!    (41 total). Each row projects to the single Phase-1 cell
-//!    `Cardinality x Transform`.
-
-use std::collections::HashSet;
-
-use v3_compiler::dag::{Dag, Declaration, DeclarationId, FieldValue, TypeConnective, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-use v3_compiler::pb_method_template_projection::{
-    method_template_contract_rows, MethodTemplateTarget,
-};
-
-const SHAPE_A_TARGET: &str = "ShapeATarget";
-const FORM_AXIS: &str = "FormAxis";
-const BEHAVIOR_AXIS: &str = "BehaviorAxis";
-const METHOD_TEMPLATE_CONTRACT_KEY: &str = "MethodTemplateContractKey";
-const EMISSION_CELL: &str = "EmissionCell";
-const EMISSION_PATH_PROJECTION: &str = "EmissionPathProjection";
-const EMISSION_PATH_PROJECTIONS_DATA: &str = "emission_path_projections";
-const CARDINALITY: &str = "Cardinality";
-const TRANSFORM: &str = "Transform";
-
-#[test]
-fn cross_target_coverage_six_carrier_types_present() {
-    let dag = generated_full_bootstrap_dag();
-    for name in [
-        SHAPE_A_TARGET,
-        FORM_AXIS,
-        BEHAVIOR_AXIS,
-        METHOD_TEMPLATE_CONTRACT_KEY,
-        EMISSION_CELL,
-        EMISSION_PATH_PROJECTION,
-    ] {
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap dag"));
-    }
-}
-
-/// Collect the structural variant labels (in declaration order) of a `Disj`
-/// declaration, panicking with a typed message if the carrier is not a `Disj`.
-fn disj_variant_labels<'a>(decl: &'a Declaration, name: &str) -> Vec<&'a str> {
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!("`{name}` must be `Disj`; got {:?}", decl.connective);
-    };
-    variants.iter().map(|f| f.label.as_str()).collect()
-}
-
-/// Collect the `(label, type-name)` pairs of a `Conj` declaration's children
-/// (record-type field shape), panicking with a typed message if the carrier
-/// is not a `Conj`.
-fn conj_field_label_and_type_names<'a>(
-    dag: &'a Dag,
-    decl: &'a Declaration,
-    name: &str,
-) -> Vec<(&'a str, &'a str)> {
-    let TypeConnective::Conj { children } = &decl.connective else {
-        panic!(
-            "`{name}` must be `Conj` (record); got {:?}",
-            decl.connective
-        );
-    };
-    children
-        .iter()
-        .map(|f| {
-            let ty_decl = dag.declaration(f.ty);
-            let ty_name = ty_decl.name.as_deref().unwrap_or("<anonymous>");
-            (f.label.as_str(), ty_name)
-        })
-        .collect()
-}
-
-#[test]
-fn shape_a_target_aliases_language_spec() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name(SHAPE_A_TARGET)
-        .expect("ShapeATarget must exist");
-    let language_spec = dag
-        .declaration_by_name("LanguageSpec")
-        .expect("LanguageSpec must exist");
-    assert!(
-        matches!(
-            decl.connective,
-            TypeConnective::Instantiation {
-                template,
-                ref arguments,
-            } if template == language_spec.id && arguments.is_empty()
-        ),
-        "ShapeATarget must dissolve the closed Rust/Python/Go enum into a LanguageSpec alias, \
-         so carrier construction is structurally limited to LanguageSpec declarations; got {:?}",
-        decl.connective
-    );
-}
-
-#[test]
-fn form_axis_disj_variants_match_type_connective_discriminants() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name(FORM_AXIS)
-        .expect("FormAxis must exist");
-    let labels = disj_variant_labels(decl, FORM_AXIS);
-    assert_eq!(
-        labels,
-        vec![
-            "Atom",
-            "Conj",
-            "Disj",
-            "Arrow",
-            "Cardinality",
-            "Instantiation"
-        ],
-        "FormAxis variants must mirror v3_compiler::dag::TypeConnective's six discriminants \
-         in substrate-declaration order (label-by-label parity; drift requires P1 procedure \
-         on the upstream Rust enum first)"
-    );
-}
-
-#[test]
-fn behavior_axis_disj_variants_match_behavior_discriminants() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name(BEHAVIOR_AXIS)
-        .expect("BehaviorAxis must exist");
-    let labels = disj_variant_labels(decl, BEHAVIOR_AXIS);
-    assert_eq!(
-        labels,
-        vec!["Value", "Transform", "Branch", "Loop", "Bind"],
-        "BehaviorAxis variants must mirror v3_compiler::dag::Behavior's five discriminants \
-         in L1 model order (label-by-label parity)"
-    );
-}
-
-#[test]
-fn method_template_contract_key_record_fields_match_ratified_shape() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name(METHOD_TEMPLATE_CONTRACT_KEY)
-        .expect("MethodTemplateContractKey must exist");
-    let fields = conj_field_label_and_type_names(&dag, decl, METHOD_TEMPLATE_CONTRACT_KEY);
-    assert_eq!(
-        fields,
-        vec![("target", "ShapeATarget"), ("dag_method", "MethodRef")],
-        "MethodTemplateContractKey must carry exactly {{ target: ShapeATarget, dag_method: MethodRef }} \
-         per Director Option 2 §4.C=(i) RATIFIED (typed dispatch, no string-name)"
-    );
-}
-
-#[test]
-fn emission_cell_record_fields_match_ratified_shape() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name(EMISSION_CELL)
-        .expect("EmissionCell must exist");
-    let fields = conj_field_label_and_type_names(&dag, decl, EMISSION_CELL);
-    assert_eq!(
-        fields,
-        vec![("connective", "FormAxis"), ("behavior", "BehaviorAxis")],
-        "EmissionCell must carry exactly {{ connective: FormAxis, behavior: BehaviorAxis }}"
-    );
-}
-
-#[test]
-fn emission_path_projection_record_fields_match_ratified_shape() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name(EMISSION_PATH_PROJECTION)
-        .expect("EmissionPathProjection must exist");
-    let fields = conj_field_label_and_type_names(&dag, decl, EMISSION_PATH_PROJECTION);
-    assert_eq!(
-        fields.len(),
-        2,
-        "EmissionPathProjection must have exactly two fields; got {fields:?}"
-    );
-    assert_eq!(
-        fields[0],
-        ("row_identity", "MethodTemplateContractKey"),
-        "EmissionPathProjection.row_identity must be MethodTemplateContractKey"
-    );
-    // `cells: List<EmissionCell>` lowers as a `Cardinality`-wrapped element ref.
-    // Verify the field name and that the wrapped element resolves to EmissionCell.
-    assert_eq!(
-        fields[1].0, "cells",
-        "EmissionPathProjection's second field must be `cells`"
-    );
-    let TypeConnective::Conj { children } = &decl.connective else {
-        unreachable!("already established Conj above")
-    };
-    let cells_ty_decl = dag.declaration(children[1].ty);
-    // `List<X>` lowers to a `Cardinality { element_type: X, ... }` Atom payload
-    // or to an `Instantiation` reference. Walk to find the `EmissionCell`
-    // declaration referenced by the cells field's type.
-    let cells_repr = format!("{:?}", cells_ty_decl.connective);
-    assert!(
-        cells_repr.contains("EmissionCell")
-            || cells_repr.contains("Cardinality")
-            || cells_repr.contains("Instantiation"),
-        "EmissionPathProjection.cells must resolve through `List<EmissionCell>` \
-         (Cardinality/Instantiation wrapper around EmissionCell); got {cells_repr}"
-    );
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-enum ProjectionTarget {
-    Rust,
-    Python,
-    Go,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-struct ProjectionKey {
-    target: ProjectionTarget,
-    dag_method: DeclarationId,
-}
-
-fn field<'a>(fields: &'a [(String, FieldValue)], name: &str) -> &'a FieldValue {
-    fields
-        .iter()
-        .find(|(label, _)| label == name)
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("record missing `{name}` field: {fields:?}"))
-}
-
-fn variant_label<'a>(dag: &'a Dag, axis_name: &str, value: &FieldValue) -> &'a str {
-    let FieldValue::Variant { constructor, .. } = value else {
-        panic!("expected `{axis_name}` variant value, got {value:?}");
-    };
-    let axis = dag
-        .declaration_by_name(axis_name)
-        .unwrap_or_else(|| panic!("`{axis_name}` axis declaration missing"));
-    let TypeConnective::Disj { variants } = &axis.connective else {
-        panic!("`{axis_name}` must be Disj, got {:?}", axis.connective);
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == *constructor)
-        .map(|variant| variant.label.as_str())
-        .unwrap_or_else(|| panic!("constructor {constructor:?} not found in `{axis_name}`"))
-}
-
-fn projection_target(dag: &Dag, value: &FieldValue) -> ProjectionTarget {
-    let owned_fields;
-    let fields = match value {
-        FieldValue::Record(fields) => fields,
-        FieldValue::Reference(target) => {
-            let target_decl = dag.declaration(*target);
-            match target_decl.name.as_deref() {
-                Some("rust_shape_a_target") => return ProjectionTarget::Rust,
-                Some("python_shape_a_target") => return ProjectionTarget::Python,
-                Some("go_shape_a_target") => return ProjectionTarget::Go,
-                _ => {}
-            }
-            if Some(*target) == dag.rust_language_spec() {
-                return ProjectionTarget::Rust;
-            } else if Some(*target) == dag.python_language_spec() {
-                return ProjectionTarget::Python;
-            } else if Some(*target) == dag.go_language_spec() {
-                return ProjectionTarget::Go;
-            }
-            let Some(ValueBody::Structural { fields }) = target_decl.value_body.as_ref() else {
-                panic!(
-                    "ShapeATarget reference must resolve to structural data, got {target_decl:?}"
-                );
-            };
-            owned_fields = fields.clone();
-            &owned_fields
-        }
-        other => panic!("ShapeATarget must be a record or reference, got {other:?}"),
-    };
-    let spec = field(fields, "spec");
-    let FieldValue::Reference(spec) = spec else {
-        panic!("ShapeATarget.spec must be a LanguageSpec reference, got {spec:?}");
-    };
-    if Some(*spec) == dag.rust_language_spec() {
-        ProjectionTarget::Rust
-    } else if Some(*spec) == dag.python_language_spec() {
-        ProjectionTarget::Python
-    } else if Some(*spec) == dag.go_language_spec() {
-        ProjectionTarget::Go
-    } else {
-        let name = dag
-            .declaration(*spec)
-            .name
-            .as_deref()
-            .unwrap_or("<anonymous>");
-        panic!("unknown ShapeATarget LanguageSpec `{name}`")
-    }
-}
-
-fn projection_key(dag: &Dag, row: &FieldValue) -> ProjectionKey {
-    let FieldValue::Record(fields) = row else {
-        panic!("EmissionPathProjection row must be a record, got {row:?}");
-    };
-    let row_identity = field(fields, "row_identity");
-    let FieldValue::Record(identity_fields) = row_identity else {
-        panic!("row_identity must be a MethodTemplateContractKey record, got {row_identity:?}");
-    };
-    let target = projection_target(dag, field(identity_fields, "target"));
-    let dag_method = field(identity_fields, "dag_method");
-    let FieldValue::Record(method_ref_fields) = dag_method else {
-        panic!("dag_method must be a MethodRef record, got {dag_method:?}");
-    };
-    let decl = field(method_ref_fields, "decl");
-    let FieldValue::Reference(dag_method) = decl else {
-        panic!("MethodRef.decl must be a declaration reference, got {decl:?}");
-    };
-    ProjectionKey {
-        target,
-        dag_method: *dag_method,
-    }
-}
-
-fn assert_single_phase1_cell(dag: &Dag, row_index: usize, row: &FieldValue) {
-    let FieldValue::Record(fields) = row else {
-        panic!("EmissionPathProjection row {row_index} must be a record, got {row:?}");
-    };
-    let cells = field(fields, "cells");
-    let FieldValue::List(cells) = cells else {
-        panic!("EmissionPathProjection row {row_index}.cells must be a list, got {cells:?}");
-    };
-    assert_eq!(
-        cells.len(),
-        1,
-        "Phase-1 projection row {row_index} must carry exactly one cell"
-    );
-    let FieldValue::Record(cell_fields) = &cells[0] else {
-        panic!("EmissionPathProjection row {row_index}.cells[0] must be a record");
-    };
-    assert_eq!(
-        variant_label(dag, FORM_AXIS, field(cell_fields, "connective")),
-        CARDINALITY,
-        "Phase-1 projection row {row_index} must project connective Cardinality"
-    );
-    assert_eq!(
-        variant_label(dag, BEHAVIOR_AXIS, field(cell_fields, "behavior")),
-        TRANSFORM,
-        "Phase-1 projection row {row_index} must project behavior Transform"
-    );
-}
-
-fn source_method_template_keys(dag: &Dag) -> HashSet<ProjectionKey> {
-    let mut keys = HashSet::new();
-    for (target, projection_target) in [
-        (MethodTemplateTarget::Rust, ProjectionTarget::Rust),
-        (MethodTemplateTarget::Python, ProjectionTarget::Python),
-        (MethodTemplateTarget::Go, ProjectionTarget::Go),
-    ] {
-        let rows = method_template_contract_rows(dag, target).unwrap_or_else(|err| {
-            panic!("project {target:?} MethodTemplateContract rows: {err:?}")
-        });
-        for row in rows {
-            keys.insert(ProjectionKey {
-                target: projection_target,
-                dag_method: row.dag_method,
-            });
-        }
-    }
-    keys
-}
-
-#[test]
-fn emission_path_projections_data_matches_phase1_source_row_bijection() {
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name(EMISSION_PATH_PROJECTIONS_DATA)
-        .unwrap_or_else(|| {
-            panic!(
-                "`{EMISSION_PATH_PROJECTIONS_DATA}` data declaration missing from full bootstrap dag"
-            )
-        });
-    let body = decl
-        .value_body
-        .as_ref()
-        .expect("emission_path_projections must be a `data` declaration with a value body");
-    let ValueBody::List(rows) = body else {
-        panic!(
-            "emission_path_projections must lower as `ValueBody::List` (declared as \
-             `List<EmissionPathProjection>`); got {body:?}"
-        );
-    };
-    let source_keys = source_method_template_keys(&dag);
-    assert_eq!(
-        source_keys.len(),
-        41,
-        "current Phase-1 source rows must be Rust 13 + Python 16 + Go 12"
-    );
-    assert_eq!(
-        rows.len(),
-        source_keys.len(),
-        "emission_path_projections must have exactly one row per current Phase-1 source row"
-    );
-
-    let mut projection_keys = HashSet::new();
-    for (row_index, row) in rows.iter().enumerate() {
-        assert_single_phase1_cell(&dag, row_index, row);
-        let key = projection_key(&dag, row);
-        assert!(
-            projection_keys.insert(key),
-            "duplicate EmissionPathProjection key at row {row_index}: {key:?}"
-        );
-    }
-    assert_eq!(
-        projection_keys, source_keys,
-        "emission_path_projections keys must bijectively match MethodTemplateContract source rows"
-    );
-    // The list's declared element type must be `EmissionPathProjection`. The
-    // data declaration's `connective` records the typed list shape (e.g.,
-    // `List<EmissionPathProjection>` lowers through a Cardinality/Instantiation
-    // wrapper around the element-type DeclarationId). Walk the connective and
-    // require the EmissionPathProjection id to be transitively reachable —
-    // without this, an empty `List<Foo>` would silently pass even if the
-    // element type drifted from the ratified shape.
-    let projection_decl = dag
-        .declaration_by_name(EMISSION_PATH_PROJECTION)
-        .expect("EmissionPathProjection must exist");
-    let projection_id_token = format!("DeclarationId({})", projection_decl.id.raw());
-    let connective_repr = format!("{:?}", decl.connective);
-    assert!(
-        connective_repr.contains(&projection_id_token)
-            || connective_repr.contains("EmissionPathProjection"),
-        "emission_path_projections must be typed as `List<EmissionPathProjection>` \
-         (connective must reference EmissionPathProjection's DeclarationId or name); \
-         got connective {connective_repr}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/dissolution_subsumption_carrier_test.rs b/src/v3/compiler/tests/integration/dissolution_subsumption_carrier_test.rs
deleted file mode 100644
index 4fcab41aaf8..00000000000
--- a/src/v3/compiler/tests/integration/dissolution_subsumption_carrier_test.rs
+++ /dev/null
@@ -1,334 +0,0 @@
-//! **Layer:** integration
-//!
-//! Structural ratchet for `src/v4/lens/subsumption.dag`. The subject is the
-//! v4 substrate carrier shape and first data row, so this stays parse-level
-//! until v4 bundle loading can execute the row as native `.dag` TestClaim data.
-
-use std::collections::BTreeSet;
-
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_surface::{
-    SurfaceExpr, SurfaceField, SurfaceItem, SurfaceRecordField, SurfaceType, VariantPayload,
-};
-use v3_compiler::tokenize_for_test;
-
-const SUBSUMPTION_DAG: &str = include_str!("../../../../v4/lens/subsumption.dag");
-const SUBSUMPTION_PATH: &str = "src/v4/lens/subsumption.dag";
-
-#[test]
-fn dissolution_subsumption_carrier_shape_locked() {
-    let module = parse_module(SUBSUMPTION_DAG, SUBSUMPTION_PATH);
-
-    assert_record_fields(&module.items, "DiffId", &[("id", "Symbol")]);
-    assert_record_fields(&module.items, "TestClaimId", &[("id", "Symbol")]);
-    assert_record_fields(&module.items, "ProducerStageId", &[("id", "Symbol")]);
-    assert_no_item(&module.items, "SubsumedFixes");
-    assert_no_item(&module.items, "ProducerStageDerivationPath");
-    assert_sum_variants(
-        &module.items,
-        "SubsumptionVerification",
-        &[
-            ("MechanicalReverification", &[("test_claim", "TestClaimId")]),
-            (
-                "ProducerStageDerivation",
-                &[("derivation_path", "List<ProducerStageId>")],
-            ),
-        ],
-    );
-    assert_record_fields(
-        &module.items,
-        "DissolutionSubsumption",
-        &[
-            ("root_fix", "DiffId"),
-            ("subsumed_fixes", "Set<DiffId>"),
-            ("verification", "SubsumptionVerification"),
-        ],
-    );
-}
-
-#[test]
-fn dissolution_subsumption_first_row_is_mechanical_reverification() {
-    let module = parse_module(SUBSUMPTION_DAG, SUBSUMPTION_PATH);
-    let row = data_body(&module.items, "affected_set_irt1_subsumption");
-
-    let root_fix = field_value(row, "root_fix");
-    assert_eq!(
-        diff_id_symbol(root_fix),
-        "affected_set_irt1_frontier_root_fix",
-        "{SUBSUMPTION_PATH}: first subsumption row root fix drifted"
-    );
-
-    let subsumed = field_value(row, "subsumed_fixes");
-    let SurfaceExpr::Var { name, .. } = subsumed else {
-        panic!(
-            "{SUBSUMPTION_PATH}: subsumed_fixes must reference the data-row Set<DiffId> binding, got {subsumed:?}"
-        );
-    };
-    assert_eq!(
-        name, "affected_set_irt1_subsumed_fixes",
-        "{SUBSUMPTION_PATH}: first subsumption row subsumed_fixes drifted"
-    );
-
-    let verification = field_value(row, "verification");
-    let fields = assert_variant_record(verification, "MechanicalReverification");
-    let test_claim = field_value(fields, "test_claim");
-    let test_claim_fields = assert_variant_record(test_claim, "TestClaimId");
-    let id = field_value(test_claim_fields, "id");
-    let SurfaceExpr::Var { name, .. } = id else {
-        panic!("{SUBSUMPTION_PATH}: TestClaimId.id must name a symbolic claim handle, got {id:?}");
-    };
-    assert_eq!(
-        name, "affected_set_irt1_leaf_claim_suite",
-        "{SUBSUMPTION_PATH}: first subsumption row test claim drifted"
-    );
-}
-
-const IRT1_LEAF_CLAIM_SUITE_DAG: &str =
-    include_str!("../../../../v4/test/claim/lens_affected_set/irt1_leaf_claim_suite.dag");
-const IRT1_LEAF_CLAIM_SUITE_PATH: &str =
-    "src/v4/test/claim/lens_affected_set/irt1_leaf_claim_suite.dag";
-
-#[test]
-fn affected_set_irt1_leaf_claim_suite_authored_for_mechanical_reverification() {
-    let _ = parse_module(IRT1_LEAF_CLAIM_SUITE_DAG, IRT1_LEAF_CLAIM_SUITE_PATH);
-    assert!(
-        IRT1_LEAF_CLAIM_SUITE_DAG.contains("data claim_affected_set_irt1_leaf_claim_suite: TestClaim"),
-        "{IRT1_LEAF_CLAIM_SUITE_PATH}: MechanicalReverification target must have a runnable TestClaim row"
-    );
-    assert!(
-        IRT1_LEAF_CLAIM_SUITE_DAG.contains("affected_set_irt1_leaf_claim_suite"),
-        "{IRT1_LEAF_CLAIM_SUITE_PATH}: suite claim must name affected_set_irt1_leaf_claim_suite handle"
-    );
-}
-
-#[test]
-fn affected_set_irt1_subsumed_fixes_membership_predicate_enumerates_six_leaves() {
-    let module = parse_module(SUBSUMPTION_DAG, SUBSUMPTION_PATH);
-    let (body_start, body_end) = module
-        .items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::Fn { name, span, .. }
-                if name == "affected_set_irt1_subsumed_fixes_value" =>
-            {
-                Some((span.byte_start, span.byte_end))
-            }
-            SurfaceItem::FnExternalBody {
-                name, body_span, ..
-            } if name == "affected_set_irt1_subsumed_fixes_value" => {
-                Some((body_span.byte_start, body_span.byte_end))
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!("{SUBSUMPTION_PATH}: missing fn affected_set_irt1_subsumed_fixes_value")
-        });
-    // Source-text scan (rather than a SurfaceExpr walk) because the predicate
-    // is a fn body and parse-surface doesn't expose a stable `||`-chain
-    // iterator yet. Each leaf is asserted in a `d.id ==` comparison position
-    // (not just a bare mention in a stray comment) and the total count of
-    // `d.id ==` clauses is pinned to 6, so an off-by-one regression — extra
-    // comparison, missing comparison, or a leaf mentioned only in surrounding
-    // prose — fails the ratchet.
-    let body_source = &SUBSUMPTION_DAG[body_start as usize..body_end as usize];
-    let expected = [
-        "affected_set_boundary_receipt_leaf_fix",
-        "affected_set_dimension_receipt_leaf_fix",
-        "affected_set_propagation_receipt_leaf_fix",
-        "affected_set_pending_escalation_leaf_fix",
-        "affected_set_fail_closed_absorption_leaf_fix",
-        "affected_set_empty_diff_leaf_fix",
-    ];
-    for leaf in expected {
-        let needle = format!("d.id == {leaf}");
-        assert!(
-            body_source.contains(&needle),
-            "{SUBSUMPTION_PATH}: subsumed-fixes membership predicate must compare d.id to {leaf}"
-        );
-    }
-    let comparison_count = body_source.matches("d.id ==").count();
-    assert_eq!(
-        comparison_count,
-        expected.len(),
-        "{SUBSUMPTION_PATH}: subsumed-fixes membership predicate must contain exactly {} `d.id ==` clauses, found {}",
-        expected.len(),
-        comparison_count,
-    );
-}
-
-fn assert_record_fields(items: &[SurfaceItem], name: &str, expected: &[(&str, &str)]) {
-    let fields = items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::TypeRecord {
-                name: item_name,
-                fields,
-                ..
-            } if item_name == name => Some(fields),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("{SUBSUMPTION_PATH}: missing record type {name}"));
-    let observed = fields
-        .iter()
-        .map(|field| (field.name.as_str(), type_expr_text(&field.ty)))
-        .collect::<BTreeSet<_>>();
-    let expected = expected.iter().copied().collect::<BTreeSet<_>>();
-    assert_eq!(
-        observed, expected,
-        "{SUBSUMPTION_PATH}: {name} fields drifted"
-    );
-}
-
-fn assert_no_item(items: &[SurfaceItem], name: &str) {
-    let exists = items.iter().any(|item| match item {
-        SurfaceItem::TypeRecord {
-            name: item_name, ..
-        }
-        | SurfaceItem::TypeSum {
-            name: item_name, ..
-        } => item_name == name,
-        _ => false,
-    });
-    assert!(
-        !exists,
-        "{SUBSUMPTION_PATH}: {name} must not be declared after Set<DiffId> reshape"
-    );
-}
-
-fn assert_sum_variants(items: &[SurfaceItem], name: &str, expected: &[(&str, &[(&str, &str)])]) {
-    let variants = items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::TypeSum {
-                name: item_name,
-                variants,
-                ..
-            } if item_name == name => Some(variants),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("{SUBSUMPTION_PATH}: missing sum type {name}"));
-    let observed = variants
-        .iter()
-        .map(|variant| {
-            let VariantPayload::Record(variant_fields) = &variant.payload else {
-                panic!(
-                    "{SUBSUMPTION_PATH}: {}.{} must use record payload fields",
-                    name, variant.name
-                );
-            };
-            let fields = surface_fields(variant_fields);
-            (variant.name.as_str(), fields)
-        })
-        .collect::<BTreeSet<_>>();
-    let expected = expected
-        .iter()
-        .map(|(variant, fields)| (*variant, fields.iter().copied().collect::<BTreeSet<_>>()))
-        .collect::<BTreeSet<_>>();
-    assert_eq!(
-        observed, expected,
-        "{SUBSUMPTION_PATH}: {name} variants drifted"
-    );
-}
-
-fn data_body<'a>(items: &'a [SurfaceItem], name: &str) -> &'a [SurfaceRecordField] {
-    let body = items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::Data {
-                name: item_name,
-                body,
-                ..
-            } if item_name == name => body.as_ref(),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("{SUBSUMPTION_PATH}: missing data row {name}"));
-    match body {
-        SurfaceExpr::Record { fields, .. } => fields,
-        SurfaceExpr::VariantRecord { fields, .. } => fields,
-        other => panic!("{SUBSUMPTION_PATH}: {name} must use a record initializer, got {other:?}"),
-    }
-}
-
-fn surface_fields(fields: &[SurfaceField]) -> BTreeSet<(&str, &'static str)> {
-    fields
-        .iter()
-        .map(|field| (field.name.as_str(), type_expr_text(&field.ty)))
-        .collect()
-}
-
-fn field_value<'a>(fields: &'a [SurfaceRecordField], name: &str) -> &'a SurfaceExpr {
-    fields
-        .iter()
-        .find(|field| field.name == name)
-        .map(|field| &field.value)
-        .unwrap_or_else(|| panic!("{SUBSUMPTION_PATH}: missing field {name}"))
-}
-
-fn assert_variant_record<'a>(expr: &'a SurfaceExpr, target: &str) -> &'a [SurfaceRecordField] {
-    let SurfaceExpr::VariantRecord {
-        target: observed,
-        fields,
-        ..
-    } = expr
-    else {
-        panic!("{SUBSUMPTION_PATH}: expected {target} constructor, got {expr:?}");
-    };
-    assert_eq!(
-        observed, target,
-        "{SUBSUMPTION_PATH}: expected {target} constructor"
-    );
-    fields
-}
-
-fn diff_id_symbol(expr: &SurfaceExpr) -> &str {
-    let fields = assert_variant_record(expr, "DiffId");
-    let id = field_value(fields, "id");
-    let SurfaceExpr::Var { name, .. } = id else {
-        panic!("{SUBSUMPTION_PATH}: DiffId.id must name a symbolic fix handle, got {id:?}");
-    };
-    name
-}
-
-fn type_expr_text(expr: &SurfaceType) -> &'static str {
-    match expr {
-        SurfaceType::Named { name, .. } => match name.as_str() {
-            "Symbol" => "Symbol",
-            "DiffId" => "DiffId",
-            "TestClaimId" => "TestClaimId",
-            "ProducerStageId" => "ProducerStageId",
-            "SubsumptionVerification" => "SubsumptionVerification",
-            other => panic!("{SUBSUMPTION_PATH}: unexpected named type {other}"),
-        },
-        SurfaceType::Parameterized { name, args, .. } => {
-            assert_eq!(
-                args.len(),
-                1,
-                "{SUBSUMPTION_PATH}: {name} should have one type argument"
-            );
-            let v3_compiler::parse_surface::TypeAngleArg::TypeExpr { ty } = &args[0] else {
-                panic!(
-                    "{SUBSUMPTION_PATH}: unexpected {name} argument {:?}",
-                    args[0]
-                );
-            };
-            let SurfaceType::Named { name: inner, .. } = ty.as_ref() else {
-                panic!("{SUBSUMPTION_PATH}: unexpected {name} argument {ty:?}");
-            };
-            match (name.as_str(), inner.as_str()) {
-                ("List", "DiffId") => "List<DiffId>",
-                ("List", "ProducerStageId") => "List<ProducerStageId>",
-                ("Set", "DiffId") => "Set<DiffId>",
-                (outer, arg) => {
-                    panic!("{SUBSUMPTION_PATH}: unexpected parameterized type {outer}<{arg}>")
-                }
-            }
-        }
-        other => panic!("{SUBSUMPTION_PATH}: unexpected type expression {other:?}"),
-    }
-}
-
-fn parse_module(source: &str, file: &str) -> v3_compiler::parse_surface::SurfaceModule {
-    let tokens = tokenize_for_test(source, file)
-        .unwrap_or_else(|diag| panic!("{file}: tokenization failed: {diag:?}"));
-    parse_for_test(&tokens, file).unwrap_or_else(|diag| panic!("{file}: parse failed: {diag:?}"))
-}
diff --git a/src/v3/compiler/tests/integration/e6_g1a_option3_static_lens_test.rs b/src/v3/compiler/tests/integration/e6_g1a_option3_static_lens_test.rs
deleted file mode 100644
index a155f3dcb03..00000000000
--- a/src/v3/compiler/tests/integration/e6_g1a_option3_static_lens_test.rs
+++ /dev/null
@@ -1,492 +0,0 @@
-//! **Layer:** integration
-//!
-//! E6-G1.a Option 3 — static `Lens<Int>` consumer wiring (argument-opaque `Dag` / `Behavior`).
-//!
-//! Authority: E6-G1.a Option 3 static `Lens<Int>` mechanism landed in `gunbc#1853`; Self-Generation-0
-//! `EXPECTED_HAND_AUTHORED_TEST` census membership keeps this hand-authored integration harness
-//! visible to the P5 subratchet.
-//! Mechanism demonstration only; dissolve-on: Q-Reification `ReflectedProgram<T>` / typed
-//! declaration-reference carrier work migrates lens-over-`Dag` folding to substrate data and the
-//! corresponding `.dag` `TestClaim` receipt replaces this host harness.
-//!
-//! **Hard bars:** no `lens_declaration_apply`, `eval_substrate_reify`, or reflection-helper imports/calls.
-//!
-//! **Read-channel `Violates`:** `dimension_report_from_witness` still matches `Violates` so the
-//! surface stays representative, but violation lifting into a declared `String` / `Behavior`
-//! → `Diagnostic` path remains **deferred** (same #1853 scope bar as list monoid eval). The
-//! `Violates` arm returns `DimensionFail` with **empty** `violations` / `witnesses` lists — a
-//! fail-closed stub, not a claim that read-channel diagnostics are populated.
-//!
-//! **Witness list (Inhabits path):** `DimensionOk.witnesses` is built with the **List sum
-//! variant constructors** `Cons { head: …, tail: … }` and `Empty`, not the std `cons` /
-//! `singleton` **functions** (those arrows remain `Unparsed` in bootstrap and are not
-//! body-evaluable here). That keeps #1844 / #1853 witness-flow acceptance: the same
-//! `Inhabits(c)` payload from the read path feeds both `composed` and the report witness list.
-
-use crate::common::{cached_compile_to_dag, find_list_empty_constructor_tag};
-use v3_compiler::dag::{
-    literal_bits_int, AtomPayload, Behavior, CardinalityBound, DeclarationId, LiteralBits,
-    TransformTarget, TypeConnective, ValueNode,
-};
-use v3_compiler::diagnostics::SourceSpan;
-use v3_compiler::evaluator::{
-    evaluate_body, EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder, NamedField, Value,
-};
-
-const OPTION3_SOURCE: &str = r#"
-import std.list { List, cons }
-import std.substrate { Dag, Behavior, LoopBound, DagPort, Cluster, Declaration }
-import v3.std.dimensions { Witness, OptionalDiagnostic, DimensionReport }
-import v3.std.diagnostics { Diagnostic }
-import v3.std.lens { Lens }
-
-// Lowering seeds: each `Empty` below forces an `Instantiation` row for that `List<τ>.Empty` tag
-// so the opaque-`Dag` harness can reuse stable `DeclarationId`s without mutating the `Dag`.
-fn _e6_seed_list_declaration_empty() -> List<Declaration> = Empty
-fn _e6_seed_list_behavior_empty() -> List<Behavior> = Empty
-fn _e6_seed_list_dagport_empty() -> List<DagPort> = Empty
-fn _e6_seed_list_cluster_empty() -> List<Cluster> = Empty
-
-fn mini_read(d: Dag, b: Behavior) -> Witness<Int> = Inhabits(1)
-
-fn int_add(a: Int, b: Int) -> Int = a + b
-fn int_max(a: Int, b: Int) -> Int = if a > b then a else b
-fn mini_iterate(c: Int, bound: LoopBound) -> Int = c
-fn mini_validate(d: Dag, c: Int) -> OptionalDiagnostic = NoDiagnostic
-
-fn empty_witness_int() -> List<Witness<Int>> = Empty
-fn empty_diag_list() -> List<Diagnostic> = Empty
-
-fn witnesses_inhabits(c: Int) -> List<Witness<Int>> =
-  Cons { head: Inhabits(c), tail: Empty }
-
-fn violations_singleton(diag: Diagnostic) -> List<Diagnostic> =
-  cons(diag, empty_diag_list())
-
-data mini_lens: Lens<Int> = {
-  name: "mini_static",
-  read: mini_read,
-  sequential: { op: int_add, identity: 0 },
-  branch: int_max,
-  iterate: mini_iterate,
-  validate: mini_validate
-}
-
-fn report_dim_ok(d: Dag, c: Int) -> DimensionReport<Int> =
-  DimensionOk {
-    dimension_name: mini_lens.name,
-    composed: c,
-    witnesses: witnesses_inhabits(c)
-  }
-
-fn report_dim_fail(d: Dag, c: Int, diag: Diagnostic) -> DimensionReport<Int> =
-  DimensionFail {
-    dimension_name: mini_lens.name,
-    violations: violations_singleton(diag),
-    witnesses: witnesses_inhabits(c)
-  }
-
-fn report_inhabits_branch(d: Dag, c: Int, od: OptionalDiagnostic) -> DimensionReport<Int> =
-  match od {
-    NoDiagnostic => report_dim_ok(d, c)
-    SomeDiagnostic { value: diag } => report_dim_fail(d, c, diag)
-  }
-
-fn dimension_fail_closed() -> DimensionReport<Int> =
-  DimensionFail {
-    dimension_name: mini_lens.name,
-    violations: empty_diag_list(),
-    witnesses: empty_witness_int()
-  }
-
-fn dimension_report_from_witness(d: Dag, w: Witness<Int>) -> DimensionReport<Int> =
-  match w {
-    Inhabits(c) => report_inhabits_branch(d, c, mini_lens.validate(d, c))
-    Violates { reason: _r, subject: sub } =>
-      match sub {
-        AtBehavior(_beh) => dimension_fail_closed()
-        ProducerLookupMissingPort { port: _p } => dimension_fail_closed()
-        ProducerLookupMissingNode { producer: _q } => dimension_fail_closed()
-      }
-  }
-
-fn mini_report(d: Dag, b: Behavior) -> DimensionReport<Int> =
-  dimension_report_from_witness(d, mini_lens.read(d, b))
-"#;
-
-const OPTION3_FILE: &str = "e6_g1a_option3_static_lens.v3";
-
-/// Split needles so this Rust source can be scanned later without self-matching fixture guards.
-const GUARD_LENS_APPLY_MOD: &str = concat!("lens", "_apply", "::");
-const GUARD_EVAL_SUBSTRATE_REIFY: &str = concat!("eval", "_substrate", "_reify");
-const GUARD_REFLECT_BEHAVIOR: &str = concat!("reflect", "_behavior");
-
-fn bind_node_id_for_fn(dag: &v3_compiler::dag::Dag, name: &str) -> v3_compiler::dag::NodeId {
-    use v3_compiler::dag::ArrowBody;
-    let decl = dag.declaration_by_name(name).expect("decl");
-    let TypeConnective::Arrow { body, .. } = &decl.connective else {
-        panic!("arrow");
-    };
-    let ArrowBody::UserDefined(bind_id) = body else {
-        panic!("user def");
-    };
-    bind_id.node_id()
-}
-
-fn disj_variant_constructor_id(
-    dag: &v3_compiler::dag::Dag,
-    sum_name: &str,
-    variant_label: &str,
-) -> DeclarationId {
-    let mut decl_id = dag
-        .declaration_by_name(sum_name)
-        .unwrap_or_else(|| panic!("missing sum `{sum_name}`"))
-        .id;
-    const PEEL_MAX: usize = 64;
-    for _ in 0..PEEL_MAX {
-        let decl = dag.declaration(decl_id);
-        match &decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                decl_id = *template;
-            }
-            TypeConnective::Disj { variants } => {
-                return variants
-                    .iter()
-                    .find(|v| v.label == variant_label)
-                    .unwrap_or_else(|| panic!("variant `{variant_label}` on {sum_name}"))
-                    .ty;
-            }
-            TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name))
-                if name == variant_label =>
-            {
-                return decl_id;
-            }
-            _ => panic!("unexpected connective while resolving `{sum_name}.{variant_label}`"),
-        }
-    }
-    panic!("peel depth");
-}
-
-fn conj_field_ty(
-    dag: &v3_compiler::dag::Dag,
-    conj_decl_id: DeclarationId,
-    label: &str,
-) -> DeclarationId {
-    let decl = dag.declaration(conj_decl_id);
-    let TypeConnective::Conj { children } = &decl.connective else {
-        panic!("expected Conj");
-    };
-    children
-        .iter()
-        .find(|c| c.label == label)
-        .map(|c| c.ty)
-        .unwrap_or_else(|| panic!("missing field `{label}`"))
-}
-
-fn peel_to_optional_cardinality_decl(
-    dag: &v3_compiler::dag::Dag,
-    mut ty: DeclarationId,
-) -> DeclarationId {
-    const PEEL_MAX: usize = 64;
-    for _ in 0..PEEL_MAX {
-        match &dag.declaration(ty).connective {
-            TypeConnective::Cardinality(p) if p.bound() == CardinalityBound::AtMostOne => {
-                return ty;
-            }
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                ty = *template;
-            }
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                ty = *next;
-            }
-            _ => panic!("optional peel failed at {ty:?}"),
-        }
-    }
-    panic!("optional peel depth");
-}
-
-fn named_record_root(dag: &v3_compiler::dag::Dag, name: &str) -> DeclarationId {
-    let mut decl_id = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("missing record `{name}`"))
-        .id;
-    const PEEL_MAX: usize = 64;
-    for _ in 0..PEEL_MAX {
-        match &dag.declaration(decl_id).connective {
-            TypeConnective::Conj { .. } => return decl_id,
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                decl_id = *template;
-            }
-            _ => panic!("`{name}` is not Conj"),
-        }
-    }
-    panic!("record peel");
-}
-
-fn optional_workflow_effect_none(dag: &v3_compiler::dag::Dag) -> Value {
-    let vn = named_record_root(dag, "ValueNode");
-    let lane2_ty = conj_field_ty(dag, vn, "lane2_workflow");
-    let card_id = peel_to_optional_cardinality_decl(dag, lane2_ty);
-    let disj_id = dag
-        .optional_match_disj(card_id)
-        .unwrap_or_else(|| panic!("missing optional_match_disj row for ValueNode.lane2_workflow"));
-    let decl = dag.declaration(disj_id);
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!("optional disj");
-    };
-    let none_ty = variants
-        .iter()
-        .find(|v| v.label == "None")
-        .expect("None variant")
-        .ty;
-    Value::VariantValue {
-        tag: none_ty,
-        payload: Box::new(Value::RecordValue(vec![])),
-    }
-}
-
-fn behavior_value_variant(dag: &v3_compiler::dag::Dag, v: &ValueNode) -> Value {
-    let value_ctor = disj_variant_constructor_id(dag, "Behavior", "Value");
-    let lane2 = optional_workflow_effect_none(dag);
-    let span = SourceSpan::new(OPTION3_FILE, 0, 0);
-    let inner = Value::RecordValue(vec![
-        NamedField {
-            label: "id".to_string(),
-            value: Value::LiteralValue(literal_bits_int(0)),
-        },
-        NamedField {
-            label: "payload".to_string(),
-            value: Value::LiteralValue(v.data.clone()),
-        },
-        NamedField {
-            label: "result_port".to_string(),
-            value: Value::LiteralValue(literal_bits_int(i64::from(v.output.raw()))),
-        },
-        NamedField {
-            label: "span".to_string(),
-            value: Value::RecordValue(vec![
-                NamedField {
-                    label: "file".to_string(),
-                    value: Value::LiteralValue(LiteralBits::String(span.file.clone())),
-                },
-                NamedField {
-                    label: "start".to_string(),
-                    value: Value::LiteralValue(literal_bits_int(i64::from(span.byte_start))),
-                },
-                NamedField {
-                    label: "end".to_string(),
-                    value: Value::LiteralValue(literal_bits_int(i64::from(span.byte_end))),
-                },
-            ]),
-        },
-        NamedField {
-            label: "lane2_workflow".to_string(),
-            value: lane2,
-        },
-    ]);
-    Value::VariantValue {
-        tag: value_ctor,
-        payload: Box::new(inner),
-    }
-}
-
-fn sample_value_behavior(dag: &v3_compiler::dag::Dag) -> Behavior {
-    dag.nodes()
-        .iter()
-        .find_map(|n| match n {
-            Behavior::Value(v) => Some(Behavior::Value(v.clone())),
-            _ => None,
-        })
-        .expect("fixture must contain at least one Value behavior for opaque Behavior harness")
-}
-
-/// Assemble a minimal substrate-shaped `Dag` [`Value::RecordValue`] using **existing**
-/// `List<τ>.Empty` `Instantiation` rows from the same compile (see `_e6_seed_*` in the fixture).
-fn opaque_dag_value(dag: &v3_compiler::dag::Dag) -> Value {
-    let dag_root = named_record_root(dag, "Dag");
-    Value::RecordValue(vec![
-        NamedField {
-            label: "declarations".to_string(),
-            value: empty_list_value(dag, conj_field_ty(dag, dag_root, "declarations")),
-        },
-        NamedField {
-            label: "nodes".to_string(),
-            value: empty_list_value(dag, conj_field_ty(dag, dag_root, "nodes")),
-        },
-        NamedField {
-            label: "ports".to_string(),
-            value: empty_list_value(dag, conj_field_ty(dag, dag_root, "ports")),
-        },
-        NamedField {
-            label: "clusters".to_string(),
-            value: empty_list_value(dag, conj_field_ty(dag, dag_root, "clusters")),
-        },
-    ])
-}
-
-fn empty_list_value(dag: &v3_compiler::dag::Dag, list_ty: DeclarationId) -> Value {
-    let tag = find_list_empty_constructor_tag(dag, list_ty);
-    Value::VariantValue {
-        tag,
-        payload: Box::new(Value::RecordValue(vec![])),
-    }
-}
-
-#[test]
-fn e6_g1a_option3_static_lens_mini_report_executes_without_reflection_imports() {
-    assert!(
-        !OPTION3_SOURCE.contains(GUARD_LENS_APPLY_MOD),
-        "fixture must not import the lens apply reflection path"
-    );
-    assert!(
-        !OPTION3_SOURCE.contains(GUARD_EVAL_SUBSTRATE_REIFY),
-        "fixture must not mention substrate reify helper"
-    );
-    assert!(
-        !OPTION3_SOURCE.contains(GUARD_REFLECT_BEHAVIOR),
-        "fixture must not mention reflect-behavior helper"
-    );
-
-    let dag = cached_compile_to_dag(OPTION3_SOURCE, OPTION3_FILE);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "option3 fixture must compile: {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let (d_port, b_port) = {
-        let bind_node_id = bind_node_id_for_fn(&dag, "mini_report");
-        let Behavior::Bind(bind) = dag.node(bind_node_id) else {
-            panic!("mini_report bind");
-        };
-        assert_eq!(bind.params.len(), 2, "mini_report expects Dag and Behavior");
-        (bind.params[0], bind.params[1])
-    };
-
-    let d_val = opaque_dag_value(&dag);
-    let b_beh = sample_value_behavior(&dag);
-    let b_val = match &b_beh {
-        Behavior::Value(v) => behavior_value_variant(&dag, v),
-        _ => unreachable!(),
-    };
-
-    let bind_node_id = bind_node_id_for_fn(&dag, "mini_report");
-    let frame = EvalFrame::from_bindings([(d_port, d_val), (b_port, b_val)]).expect("frame");
-    let mut state = EvalStateStack::with_root_frame(frame);
-    let strategy = EvalStrategy::ApplicativeOrder {
-        input_order: InputEvaluationOrder::LeftFirst,
-    };
-    let out = evaluate_body(&dag, bind_node_id, &mut state, strategy).expect("mini_report eval");
-
-    let Value::VariantValue { tag, payload } = &out else {
-        panic!("expected DimensionReport variant Value, got {out:?}");
-    };
-    let dim_ok = disj_variant_constructor_id(&dag, "DimensionReport", "DimensionOk");
-    assert_eq!(
-        *tag, dim_ok,
-        "Inhabits path must produce DimensionOk; got non-Ok tag"
-    );
-    let Value::RecordValue(fields) = &**payload else {
-        panic!("DimensionOk payload record");
-    };
-    let composed = fields
-        .iter()
-        .find(|f| f.label == "composed")
-        .map(|f| &f.value)
-        .expect("composed");
-    assert_eq!(
-        composed,
-        &Value::LiteralValue(literal_bits_int(1)),
-        "`composed` must carry the Inhabits witness payload `c` (= 1 from mini_read)"
-    );
-    let dim_name = fields
-        .iter()
-        .find(|f| f.label == "dimension_name")
-        .map(|f| &f.value)
-        .expect("dimension_name");
-    assert_eq!(
-        dim_name,
-        &Value::LiteralValue(LiteralBits::String("mini_static".to_string())),
-        "`dimension_name` must match the static `mini_lens` name field"
-    );
-
-    let witnesses = fields
-        .iter()
-        .find(|f| f.label == "witnesses")
-        .map(|f| &f.value)
-        .expect("witnesses");
-    assert!(
-        value_contains_int_literal(witnesses, 1),
-        "witness list must carry the same `Inhabits(c)` payload as `composed` (c = 1 from mini_read)"
-    );
-}
-
-/// Lowering-only (TESTING.md §2 / §4): `mini_read` lowers as `TransformTarget::Callable` — split
-/// from end-to-end `mini_report` eval so lowering refactors fail only this test.
-#[test]
-fn e6_g1a_option3_fixture_lowers_mini_read_as_callable_transform() {
-    let dag = cached_compile_to_dag(OPTION3_SOURCE, OPTION3_FILE);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "option3 fixture must compile: {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    let mini_read_id = dag.declaration_by_name("mini_read").expect("mini_read").id;
-    assert!(
-        dag.nodes().iter().any(|n| {
-            matches!(
-                n,
-                Behavior::Transform(t)
-                    if matches!(&t.target, TransformTarget::Callable(id) if *id == mini_read_id)
-            )
-        }),
-        "mini_read must lower to TransformTarget::Callable(mini_read)"
-    );
-}
-
-/// Lowering-only (TESTING.md §2 / §4): `mini_validate` lowers as `TransformTarget::Callable` —
-/// split from end-to-end `mini_report` eval so lowering refactors fail only this test.
-#[test]
-fn e6_g1a_option3_fixture_lowers_mini_validate_as_callable_transform() {
-    let dag = cached_compile_to_dag(OPTION3_SOURCE, OPTION3_FILE);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "option3 fixture must compile: {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    let mini_validate_id = dag
-        .declaration_by_name("mini_validate")
-        .expect("mini_validate")
-        .id;
-    assert!(
-        dag.nodes().iter().any(|n| {
-            matches!(
-                n,
-                Behavior::Transform(t)
-                    if matches!(&t.target, TransformTarget::Callable(id) if *id == mini_validate_id)
-            )
-        }),
-        "mini_validate must lower to TransformTarget::Callable(mini_validate)"
-    );
-}
-
-fn value_contains_int_literal(v: &Value, needle: i64) -> bool {
-    match v {
-        Value::LiteralValue(LiteralBits::Int(i)) => i.parse::<i64>().ok() == Some(needle),
-        Value::RecordValue(fs) => fs
-            .iter()
-            .any(|f| value_contains_int_literal(&f.value, needle)),
-        Value::VariantValue { payload, .. } => value_contains_int_literal(payload, needle),
-        _ => false,
-    }
-}
diff --git a/src/v3/compiler/tests/integration/e_i_lane_induction_preflight_test.rs b/src/v3/compiler/tests/integration/e_i_lane_induction_preflight_test.rs
deleted file mode 100644
index c2bdf48773a..00000000000
--- a/src/v3/compiler/tests/integration/e_i_lane_induction_preflight_test.rs
+++ /dev/null
@@ -1,86 +0,0 @@
-//! **Layer:** integration
-//!
-//! Lane E-I Step 0: prove `CostBound`'s `SumBound` variant carries `terms: List<CostBound>`
-//! in the bootstrap `Dag` (structural receipt, not label-only); `regen_bootstrap` must succeed.
-
-use v3_compiler::dag::{Declaration, TypeConnective};
-use v3_compiler::Dag;
-
-fn conj_field_ty(payload: &Declaration, want_label: &str) -> v3_compiler::dag::DeclarationId {
-    let TypeConnective::Conj { children } = &payload.connective else {
-        panic!(
-            "expected SumBound variant payload to be a record (Conj), got {:?}",
-            payload.connective
-        );
-    };
-    children
-        .iter()
-        .find(|c| c.label == want_label)
-        .unwrap_or_else(|| {
-            panic!(
-                "expected field `{want_label}` on SumBound payload; have {:?}",
-                children
-                    .iter()
-                    .map(|c| c.label.as_str())
-                    .collect::<Vec<_>>()
-            )
-        })
-        .ty
-}
-
-#[test]
-fn e_i_lane_costbound_carries_list_of_costbound_in_bootstrap() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap dag should have no diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-    let cost_decl = dag
-        .declaration_by_name("CostBound")
-        .expect("CostBound declaration");
-    let cost_id = cost_decl.id;
-    let TypeConnective::Disj { variants } = &cost_decl.connective else {
-        panic!(
-            "expected CostBound to be a sum, got {:?}",
-            cost_decl.connective
-        );
-    };
-    let sum_bound = variants
-        .iter()
-        .find(|v| v.label == "SumBound")
-        .expect("CostBound should include SumBound variant");
-    let payload = dag.declaration(sum_bound.ty);
-    let terms_ty = conj_field_ty(payload, "terms");
-    let terms_decl = dag.declaration(terms_ty);
-    match &terms_decl.connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let template_decl = dag.declaration(*template);
-            assert_eq!(
-                template_decl.name.as_deref(),
-                Some("List"),
-                "SumBound.terms must instantiate List<…>; template was {:?} ({:?})",
-                template_decl.name,
-                template_decl.connective
-            );
-            assert_eq!(
-                arguments.len(),
-                1,
-                "List<CostBound> should have exactly one type argument; got {arguments:?}"
-            );
-            assert_eq!(
-                arguments[0].value, cost_id,
-                "SumBound.terms must be List<CostBound> (element type id should match CostBound)"
-            );
-        }
-        other => {
-            panic!("SumBound.terms must be List<CostBound> (Instantiation of List), got {other:?}")
-        }
-    }
-
-    dag.declaration_by_name("sum_bound")
-        .expect("sum_bound helper for List<CostBound>");
-}
diff --git a/src/v3/compiler/tests/integration/emission_provenance_lens_test.rs b/src/v3/compiler/tests/integration/emission_provenance_lens_test.rs
deleted file mode 100644
index 7c2e0436585..00000000000
--- a/src/v3/compiler/tests/integration/emission_provenance_lens_test.rs
+++ /dev/null
@@ -1,334 +0,0 @@
-//! **Layer:** integration
-//!
-//! Cementing test for `Lens<List<EmissionProvenance>>` per Director Q1
-//! (a) RATIFIED at gunbc#1739 #issuecomment-4392562911 (per-Behavior
-//! Lens<C>-compatible framing). Brief:
-//! `docs/briefs/r3-substrate-emission-provenance-lens-worker.md`.
-//!
-//! **Scope of this slice — STRUCTURAL.** This test cements the
-//! substrate-shape contract: the `EmissionProvenance` record carrier and
-//! the lens fns/types compile, declare the Director-locked field set,
-//! and the lens binds against the correct carrier under a fixture-bound
-//! `data` declaration (matching the `mini_lens` precedent at
-//! `e6_g1a_option3_static_lens_test.rs:66-73`).
-//!
-//! **Behavioral round-trip is BEHAVIORALLY DEFERRED** — emitter writes
-//! field-path → lens recovers same field-path; per-Behavior list flatten
-//! matches per-line view. Producer wiring lives in
-//! `src/v3/compiler/src/emit/rust_target.rs`'s `render_named_template`
-//! call sites and is a separate downstream slice (precedent: `lenses.cost`
-//! BEHAVIORALLY PROXY).
-//!
-//! **Substrate-cascade receipt** — promoting the lens instance from a
-//! fixture-bound `data` declaration to a top-level `data` item in
-//! `src/v3/lenses/emission_provenance.dag` is currently blocked by
-//! Class 5 Gap 3 (top-level `ValueBody` boundary; sum-variant literals
-//! like `Empty` don't lower in `data` body context). Same constraint
-//! that blocks the canonical generic `data list_monoid<element>:
-//! Monoid<List<element>>` declaration documented at
-//! `src/v3/std/list.dag:61-64`. Dissolution trigger: when Class 5 Gap 3
-//! closes, this fixture promotes to a top-level `data` declaration in
-//! the lens .dag file without lens-shape changes.
-
-use std::collections::HashSet;
-
-use crate::common::cached_compile_to_dag;
-use v3_compiler::dag::TypeConnective;
-use v3_compiler::generated_full_bootstrap_dag;
-
-#[test]
-fn emission_provenance_record_has_locked_three_field_shape_with_locked_field_types() {
-    // Director-locked record shape per brief Deliverable 1
-    // (codex BLOCKING reshape at PR #1910 sha 2ed1046e Finding #1
-    // applied: record form, not coproduct; mandatory `rule` enforces
-    // structural fail-closed; optional `source_span` is structurally
-    // legal absence).
-    //
-    // Per openai-pro NON-BLOCKING TESTING finding (sha 6251a1e5): also
-    // assert each field's *type* (not just label) so the test fails if
-    // `rule` stops being `EmissionRule` or `source_span` stops being
-    // `OptionalSourceSpan`.
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name("EmissionProvenance")
-        .expect("EmissionProvenance missing from bootstrap");
-    let TypeConnective::Conj { children } = &decl.connective else {
-        panic!(
-            "EmissionProvenance is not a Conj record: {:?}",
-            decl.connective
-        );
-    };
-    let labels: Vec<&str> = children.iter().map(|f| f.label.as_str()).collect();
-    // Arity check first — `HashSet` collapses duplicates, so a record with
-    // (e.g.) `rule` declared twice would pass the set comparison below.
-    // Assert exact arity to catch duplicate / extra fields explicitly.
-    assert_eq!(
-        children.len(),
-        3,
-        "EmissionProvenance must declare exactly 3 fields (emitted_line, rule, \
-         source_span); actual labels: {labels:?}"
-    );
-    let expected_labels: HashSet<&str> = ["emitted_line", "rule", "source_span"]
-        .into_iter()
-        .collect();
-    let actual_labels: HashSet<&str> = labels.iter().copied().collect();
-    assert_eq!(
-        actual_labels, expected_labels,
-        "EmissionProvenance must carry the Director-locked 3-field record shape; \
-         actual labels: {labels:?}"
-    );
-
-    // Each field's type must resolve to the locked carrier — not a
-    // structural look-alike. If the carrier downstream weakens (e.g.,
-    // `rule: String` instead of `rule: EmissionRule`), this fails.
-    let emission_rule = dag
-        .declaration_by_name("EmissionRule")
-        .expect("EmissionRule missing from bootstrap");
-    let optional_source_span = dag
-        .declaration_by_name("OptionalSourceSpan")
-        .expect("OptionalSourceSpan missing from bootstrap");
-    let positive_int = dag
-        .declaration_by_name("PositiveInt")
-        .expect("PositiveInt missing from bootstrap");
-
-    for field in children {
-        match field.label.as_str() {
-            "emitted_line" => assert_eq!(
-                field.ty, positive_int.id,
-                "EmissionProvenance.emitted_line must resolve to `PositiveInt`"
-            ),
-            "rule" => assert_eq!(
-                field.ty, emission_rule.id,
-                "EmissionProvenance.rule must resolve to `EmissionRule`"
-            ),
-            "source_span" => assert_eq!(
-                field.ty, optional_source_span.id,
-                "EmissionProvenance.source_span must resolve to `OptionalSourceSpan`"
-            ),
-            other => panic!("unexpected EmissionProvenance field: {other}"),
-        }
-    }
-}
-
-// Note: the standalone `emitted_line_is_positive_int_refinement_not_bare_int`
-// test (codex BLOCKING finding sha 6c7c3d85) is now subsumed by
-// `emission_provenance_record_has_locked_three_field_shape_with_locked_field_types`
-// above, which asserts each field's type explicitly (including
-// `emitted_line: PositiveInt`).
-
-#[test]
-fn production_lens_module_compiles_cleanly() {
-    // Per openai-pro NON-BLOCKING TESTING finding (sha 4553d4e8): the
-    // fixture-bound `#[ignore]`d test below mirrors the production lens
-    // file but doesn't actively guard it — `src/v3/lenses/emission_provenance.dag`
-    // could drift syntactically or type-wise without any active test
-    // failing. This smoke compiles the production .dag file directly
-    // (it lives outside the bootstrap, like other `src/v3/lenses/*.dag`
-    // entries — compare `lens_declaration_apply.rs` for `named_function_count.dag` authority),
-    // so syntactic / type drift fails this test instead of slipping
-    // through.
-    let _dag = cached_compile_to_dag(
-        include_str!("../../../lenses/emission_provenance.dag"),
-        "src/v3/lenses/emission_provenance.dag",
-    );
-}
-
-#[test]
-fn optional_source_span_carries_none_and_some_arms_with_locked_payload() {
-    // v3 std has no generic Option<T>; the typed-sum pattern is the
-    // idiom (compare `OptionalDiagnostic` at `v3.std.dimensions`).
-    // NoSourceSpan must be a structurally legal absence (NOT a
-    // diagnostic) per Director `feedback_no_textual_enforcement_bridges`.
-    //
-    // Per openai-pro NON-BLOCKING TESTING finding (sha 6251a1e5):
-    // assert that the `SomeSourceSpan` variant payload resolves to the
-    // canonical `SourceSpan` carrier so the test fails if the payload
-    // gets weakened or renamed.
-    let dag = generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name("OptionalSourceSpan")
-        .expect("OptionalSourceSpan missing from bootstrap");
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!(
-            "OptionalSourceSpan is not a Disj sum: {:?}",
-            decl.connective
-        );
-    };
-    // Arity first — `HashSet` collapses duplicates; assert exact variant
-    // count to catch a duplicate `SomeSourceSpan` declaration etc.
-    assert_eq!(
-        variants.len(),
-        2,
-        "OptionalSourceSpan must declare exactly 2 variants (NoSourceSpan, \
-         SomeSourceSpan); actual variants: {:?}",
-        variants.iter().map(|v| &v.label).collect::<Vec<_>>()
-    );
-    let actual_labels: HashSet<&str> = variants.iter().map(|v| v.label.as_str()).collect();
-    let expected_labels: HashSet<&str> = ["NoSourceSpan", "SomeSourceSpan"].into_iter().collect();
-    assert_eq!(
-        actual_labels, expected_labels,
-        "OptionalSourceSpan must be the 2-variant typed-sum shape \
-         (NoSourceSpan structurally legal; SomeSourceSpan {{ value: SourceSpan }})"
-    );
-
-    // The `SomeSourceSpan` variant's payload type must resolve to the
-    // canonical `SourceSpan` from `dsl/std/types.dag` (re-exported via
-    // `v3.std.substrate`), not a structural look-alike. The
-    // `value` field on the variant payload is what carries the
-    // SourceSpan reference.
-    let some_variant = variants
-        .iter()
-        .find(|v| v.label == "SomeSourceSpan")
-        .expect("SomeSourceSpan variant missing");
-    let some_payload = dag.declaration(some_variant.ty);
-    let TypeConnective::Conj {
-        children: some_children,
-    } = &some_payload.connective
-    else {
-        panic!(
-            "SomeSourceSpan variant payload should be a record with a single `value: SourceSpan` \
-             field; actual payload connective: {:?}",
-            some_payload.connective
-        );
-    };
-    // Assert exact arity — `find()` would let `SomeSourceSpan { value, extra }`
-    // pass even though the locked shape names a single payload field.
-    assert_eq!(
-        some_children.len(),
-        1,
-        "SomeSourceSpan must declare exactly 1 payload field (`value: SourceSpan`); \
-         actual fields: {:?}",
-        some_children.iter().map(|f| &f.label).collect::<Vec<_>>()
-    );
-    let value_field = some_children
-        .iter()
-        .find(|f| f.label == "value")
-        .expect("SomeSourceSpan payload missing `value` field");
-    let source_span = dag
-        .declaration_by_name("SourceSpan")
-        .expect("SourceSpan missing from bootstrap");
-    assert_eq!(
-        value_field.ty, source_span.id,
-        "SomeSourceSpan.value must resolve to `SourceSpan`, not a structural look-alike"
-    );
-
-    // NoSourceSpan must be a unit variant (no payload fields). A drift
-    // to e.g. `NoSourceSpan { value: SourceSpan }` would silently make
-    // it indistinguishable from `SomeSourceSpan` — assert empty payload.
-    let none_variant = variants
-        .iter()
-        .find(|v| v.label == "NoSourceSpan")
-        .expect("NoSourceSpan variant missing");
-    let none_payload = dag.declaration(none_variant.ty);
-    if let TypeConnective::Conj {
-        children: none_children,
-    } = &none_payload.connective
-    {
-        assert_eq!(
-            none_children.len(),
-            0,
-            "NoSourceSpan must be a unit variant (no payload fields) — \
-             a payload-bearing NoSourceSpan would collapse the absence/presence \
-             distinction with SomeSourceSpan; actual fields: {:?}",
-            none_children.iter().map(|f| &f.label).collect::<Vec<_>>()
-        );
-    }
-    // Other connective kinds (e.g., the unit/Top connective the lowerer
-    // synthesizes for unit variants) are also acceptable; the only
-    // fail-condition is a payload-bearing NoSourceSpan.
-}
-
-// Fixture-bound lens instance per the `mini_lens` precedent at
-// `e6_g1a_option3_static_lens_test.rs:66-73`. The string source declares
-// the carrier inline + the lens fns + the `data emission_provenance_lens:
-// Lens<List<EmissionProvenance>>` instance. This is the cementing form
-// for the Director-locked 6-field `Lens<C>` shape against the
-// `List<EmissionProvenance>` carrier; promotion to a top-level `data`
-// item in `src/v3/lenses/emission_provenance.dag` blocks on Class 5
-// Gap 3 closure (sum-variant `Empty` literal in data body context).
-const LENS_FIXTURE_SOURCE: &str = r#"
-import std.integer { PositiveInt }
-import std.list { List, Empty, concat }
-import std.substrate { Dag, Behavior, LoopBound }
-import v3.std.dimensions { Witness, OptionalDiagnostic }
-import v3.std.diagnostics { Diagnostic }
-import v3.std.lens { Lens }
-import v3.std.substrate { SourceSpan }
-
-type EmissionRule = String
-
-type OptionalSourceSpan
-  = NoSourceSpan
-  | SomeSourceSpan { value: SourceSpan }
-
-type EmissionProvenance {
-  emitted_line: PositiveInt
-  rule: EmissionRule
-  source_span: OptionalSourceSpan
-}
-
-// Lowering seeds for `List<EmissionProvenance>.Empty` — same shape as
-// the `_e6_seed_list_*_empty` pattern at e6_g1a_option3_static_lens_test.rs:45-48.
-fn _seed_list_provenance_empty() -> List<EmissionProvenance> = Empty
-
-fn read_provenance(d: Dag, b: Behavior) -> Witness<List<EmissionProvenance>> =
-  Inhabits(_seed_list_provenance_empty())
-
-fn empty_provenance_list() -> List<EmissionProvenance> = Empty
-
-fn concat_provenance(
-  a: List<EmissionProvenance>,
-  b: List<EmissionProvenance>
-) -> List<EmissionProvenance> = concat(a, b)
-
-fn branch_provenance(
-  l: List<EmissionProvenance>,
-  r: List<EmissionProvenance>
-) -> List<EmissionProvenance> = concat(l, r)
-
-fn iterate_provenance(
-  c: List<EmissionProvenance>,
-  bound: LoopBound
-) -> List<EmissionProvenance> = c
-
-fn validate_provenance(d: Dag, c: List<EmissionProvenance>) -> OptionalDiagnostic =
-  NoDiagnostic
-
-data emission_provenance_lens: Lens<List<EmissionProvenance>> = {
-  name: "EmissionProvenance",
-  read: read_provenance,
-  sequential: { op: concat_provenance, identity: empty_provenance_list },
-  branch: branch_provenance,
-  iterate: iterate_provenance,
-  validate: validate_provenance
-}
-"#;
-
-#[test]
-#[ignore = "blocked on Class 5 Gap 3 (top-level ValueBody boundary at \
-            src/v3/compiler/src/dag.rs:259-287): `data emission_provenance_lens: \
-            Lens<List<EmissionProvenance>>` rejects on two facets of the same \
-            gap — bare sum-variant identity (`identity: Empty`) doesn't lower \
-            in data body context, AND nested-fn identity (`identity: \
-            empty_provenance_list`) hits the opaque-body rejection for \
-            fn-typed fields in data bodies. Same constraint blocks the \
-            canonical `data list_monoid<element>: Monoid<List<element>>` at \
-            `src/v3/std/list.dag:61-64`. Dissolution trigger: when both facets \
-            close (top-level List/sum-variant ValueBody carriers AND fn-typed \
-            data-body fields validate structurally), un-ignore and verify this \
-            test passes without lens-shape changes. See lens .dag file header \
-            for the unified two-facet receipt."]
-fn emission_provenance_lens_binds_against_locked_carrier() {
-    // Structural cement: the `Lens<List<EmissionProvenance>>` instance
-    // compiles against the Director-locked 6-field `Lens<C>` carrier at
-    // `src/v3/std/lens.dag` under the fixture-bound pattern.
-    //
-    // Currently `#[ignore]`d on the substrate-cascade STOP described in
-    // the test attribute. The fixture source IS authored in
-    // `LENS_FIXTURE_SOURCE` so the dissolution trigger is the simple
-    // act of removing this `#[ignore]` once Class 5 Gap 3 closes.
-    let _dag = cached_compile_to_dag(
-        LENS_FIXTURE_SOURCE,
-        "tests/integration/emission_provenance_lens_test.rs:LENS_FIXTURE_SOURCE",
-    );
-}
diff --git a/src/v3/compiler/tests/integration/emit_verification_gates_test.rs b/src/v3/compiler/tests/integration/emit_verification_gates_test.rs
deleted file mode 100644
index 1a5a4d72ec2..00000000000
--- a/src/v3/compiler/tests/integration/emit_verification_gates_test.rs
+++ /dev/null
@@ -1,104 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 §1.8 multi-target emit verification gates — arbitrary user programs
-//! (the shared `PROGRAM_FIXTURES` corpus) must pass each target's declared
-//! `CleanEmissionContract.post_emit_verifier`, not only the self-host M1
-//! `src/v4` rust-emit probe.
-//!
-//! **Gap closed:** M1 probes v2 `--target rust src/v4` + `cargo check` on the
-//! emitted self-host tree. `Compiles` TestClaims only check substrate lowering.
-//! This gate ties arbitrary `.v3` programs to the E-5 contract verifiers for
-//! Rust (`rustc -D warnings`), Go (`gofmt -l`), and Python (`py_compile`).
-//!
-//! **CI authority:** `r1c_e_emit_gates.template.dag` claim
-//! `program_fixtures_post_emit_clean_all_targets` (`ExecuteCommand` →
-//! `check_program_fixtures_post_emit_clean_all_targets`) via
-//! `t_pb_b_1_dag_runner_test::r1c_e_emit_gates_suite_passes_through_runner`.
-//! The `#[ignore]` tests below are optional local receipts when all toolchains
-//! are on PATH.
-
-use std::time::{SystemTime, UNIX_EPOCH};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit::EmitTarget;
-use v3_compiler::emit_rust_roundtrip_fixtures::{ProgramFixture, PROGRAM_FIXTURES};
-use v3_compiler::post_emit_verifier::{
-    fixture_supports_post_emit_target, post_emit_target_label, verify_program_emitted_source,
-    verify_program_emitted_source_all_targets, SHAPE_A_POST_EMIT_TARGETS,
-};
-use v3_compiler::CompileError;
-
-fn scratch_dir(label: &str) -> std::path::PathBuf {
-    let stamp = SystemTime::now()
-        .duration_since(UNIX_EPOCH)
-        .map(|d| d.as_nanos())
-        .unwrap_or(0);
-    std::env::temp_dir().join(format!(
-        "gunbc_emit_verif_{label}_{}_{}",
-        std::process::id(),
-        stamp
-    ))
-}
-
-fn compile_fixture(fixture: &ProgramFixture) -> v3_compiler::Dag {
-    let file = format!("{}_emit_verification.v3", fixture.name);
-    match compile_to_dag(fixture.source, &file) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => {
-            panic!(
-                "fixture `{}` should compile cleanly, got diagnostics: {:?}",
-                fixture.name,
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-        }
-        Err(err) => panic!("fixture `{}` compile failed: {err:?}", fixture.name),
-    }
-}
-
-/// Gate: every corpus program passes all applicable Shape-A post-emit verifiers.
-#[test]
-#[ignore = "requires rustc, gofmt, and python3 on PATH"]
-fn arbitrary_program_fixtures_pass_post_emit_verifier_all_targets() {
-    let mut failures = Vec::new();
-    for fixture in PROGRAM_FIXTURES {
-        let dag = compile_fixture(fixture);
-        let scratch = scratch_dir(fixture.name);
-        if let Err(msg) =
-            verify_program_emitted_source_all_targets(&dag, &scratch, fixture.name, fixture.name)
-        {
-            failures.push(msg);
-        }
-        let _ = std::fs::remove_dir_all(&scratch);
-    }
-    if !failures.is_empty() {
-        panic!(
-            "{} PROGRAM_FIXTURES failed post_emit_verifier:\n{}",
-            failures.len(),
-            failures.join("\n---\n")
-        );
-    }
-}
-
-/// Per-target receipt so a missing toolchain surfaces as a single-target failure.
-#[test]
-#[ignore = "requires rustc on PATH"]
-fn arbitrary_program_fixtures_pass_rust_post_emit_verifier() {
-    for fixture in PROGRAM_FIXTURES {
-        if !fixture_supports_post_emit_target(fixture.name, EmitTarget::Rust) {
-            continue;
-        }
-        let dag = compile_fixture(fixture);
-        let scratch = scratch_dir(&format!("{}_rust", fixture.name));
-        verify_program_emitted_source(&dag, EmitTarget::Rust, &scratch, fixture.name)
-            .unwrap_or_else(|e| panic!("fixture `{}`: {e}", fixture.name));
-        let _ = std::fs::remove_dir_all(&scratch);
-    }
-}
-
-#[test]
-fn emit_verification_target_labels_are_stable() {
-    assert_eq!(post_emit_target_label(EmitTarget::Rust), "rust");
-    assert_eq!(post_emit_target_label(EmitTarget::Go), "go");
-    assert_eq!(post_emit_target_label(EmitTarget::Python), "python");
-    assert_eq!(SHAPE_A_POST_EMIT_TARGETS.len(), 3);
-}
diff --git a/src/v3/compiler/tests/integration/extdeps_rust_primitives_loader_test.rs b/src/v3/compiler/tests/integration/extdeps_rust_primitives_loader_test.rs
deleted file mode 100644
index 368cf128ca0..00000000000
--- a/src/v3/compiler/tests/integration/extdeps_rust_primitives_loader_test.rs
+++ /dev/null
@@ -1,158 +0,0 @@
-//! **Layer:** integration
-//!
-//! T-Ground-Engine Phase-1 unblock (Path 2): `dsl/extdeps/languages/rust/
-//! primitives.dag` is loaded into the bootstrap Dag; `Dag::rust_grounding_primitives`
-//! returns a walkable type-structure declaration. The Rust pilot
-//! enumeration is walkable as `ValueBody::List` after R2 T-Substrate's
-//! 4th sub-lane lands the top-level list extension.
-
-use v3_compiler::dag::{Dag, FieldValue, TypeConnective, ValueBody};
-
-#[test]
-fn dag_new_exposes_rust_grounding_primitives_type_structure() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap must be clean for extdeps loader-close, got {:?}",
-        dag.diagnostics()
-    );
-
-    let decl = dag
-        .rust_grounding_primitives()
-        .expect("rust_grounding_primitives must be loaded from EXTDEPS_BOOTSTRAP_FIXTURES");
-
-    // Req 2: stable shape, walkable structurally.
-    assert_eq!(
-        decl.span.file, "dsl/extdeps/languages/rust/primitives.dag",
-        "rust_grounding_primitives span must point at the authority file"
-    );
-
-    // Top-level declaration is `List<RustPrimitive>` — an Instantiation
-    // connective parameterized over the RustPrimitive sum.
-    let rust_primitive_decl_id = match &decl.connective {
-        TypeConnective::Instantiation { arguments, .. } => {
-            assert_eq!(
-                arguments.len(),
-                1,
-                "rust_grounding_primitives: List<RustPrimitive> has exactly one template argument"
-            );
-            arguments[0].value
-        }
-        other => panic!(
-            "rust_grounding_primitives must lower to an Instantiation (List<RustPrimitive>), got {:?}",
-            other
-        ),
-    };
-
-    // Walk through to the RustPrimitive sum and pin the two variants +
-    // their field labels. This is the type-structure-only walk that
-    // Engine sharpened-(b) Phase 1 consumes.
-    let rust_primitive = dag.declaration(rust_primitive_decl_id);
-    assert_eq!(rust_primitive.name.as_deref(), Some("RustPrimitive"));
-    let variants = match &rust_primitive.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("RustPrimitive must be a Disj, got {:?}", other),
-    };
-    let variant_labels: Vec<&str> = variants.iter().map(|f| f.label.as_str()).collect();
-    assert_eq!(
-        variant_labels,
-        vec!["IntegerPrimitive", "NonIntegerPrimitive"],
-        "pilot scope is integer/non-integer split per primitives.dag authority"
-    );
-
-    let integer_variant = dag.declaration(variants[0].ty);
-    let integer_field_labels: Vec<&str> = match &integer_variant.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.as_str()).collect(),
-        other => panic!(
-            "IntegerPrimitive payload must be a Conj record, got {:?}",
-            other
-        ),
-    };
-    assert_eq!(
-        integer_field_labels,
-        vec![
-            "target_name",
-            "algebra",
-            "carrier",
-            "range_min_inclusive",
-            "range_max_inclusive",
-            "is_copy",
-            "overflow"
-        ],
-        "IntegerPrimitive field order is load-bearing for T-Ground L4-(C) witness consumption"
-    );
-
-    let non_integer_variant = dag.declaration(variants[1].ty);
-    let non_integer_field_labels: Vec<&str> = match &non_integer_variant.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.as_str()).collect(),
-        other => panic!(
-            "NonIntegerPrimitive payload must be a Conj record, got {:?}",
-            other
-        ),
-    };
-    assert_eq!(
-        non_integer_field_labels,
-        vec!["target_name", "algebra", "carrier", "is_copy"],
-        "NonIntegerPrimitive is structurally missing `overflow` (state-space discipline)"
-    );
-}
-
-#[test]
-fn rust_grounding_primitives_value_body_is_structural_list() {
-    let dag = Dag::new();
-    let decl = dag.rust_grounding_primitives().expect("loaded");
-    let rust_primitive_decl_id = match &decl.connective {
-        TypeConnective::Instantiation { arguments, .. } => arguments[0].value,
-        other => panic!("rust_grounding_primitives must be List<RustPrimitive>, got {other:?}"),
-    };
-    let TypeConnective::Disj { variants } = &dag.declaration(rust_primitive_decl_id).connective
-    else {
-        panic!("RustPrimitive must be a Disj");
-    };
-    let body = decl
-        .value_body
-        .as_ref()
-        .expect("data declarations carry a value_body");
-    let ValueBody::List(elements) = body else {
-        panic!("rust_grounding_primitives.value_body must lower to ValueBody::List, got {body:?}");
-    };
-    // R3 Phase B (Director Path A RATIFIED at gunbc#1739 #issuecomment-4392731264)
-    // + G2 Float candidate slice:
-    // 10 IntegerPrimitive (i8..i64, i128, u8..u64, u128) + 4 NonIntegerPrimitive
-    // (f32, f64, bool, ()).
-    // u128 row unblocked by Phase A `IntervalInt::ExactInterval` BigInt host repr widening.
-    assert_eq!(elements.len(), 14);
-    let constructors: Vec<&str> = elements
-        .iter()
-        .map(|element| {
-            let FieldValue::Variant { constructor, .. } = element else {
-                panic!("rust_grounding_primitives elements must be variants, got {element:?}");
-            };
-            variants
-                .iter()
-                .find(|variant| variant.ty == *constructor)
-                .map(|variant| variant.label.as_str())
-                .expect("variant constructor belongs to RustPrimitive")
-        })
-        .collect();
-    assert_eq!(constructors.first().copied(), Some("IntegerPrimitive"));
-    assert_eq!(constructors.last().copied(), Some("NonIntegerPrimitive"));
-}
-
-#[test]
-fn dag_new_exposes_std_unicode_charclass() {
-    let dag = Dag::new();
-    let char_class = dag
-        .declaration_by_name("CharClass")
-        .expect("std.unicode::CharClass must load in Dag::new()");
-    assert_eq!(char_class.span.file, "dsl/std/unicode.dag");
-    let variants = match &char_class.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("CharClass must be a Disj, got {other:?}"),
-    };
-    let labels: Vec<&str> = variants.iter().map(|field| field.label.as_str()).collect();
-    assert!(
-        labels.contains(&"Whitespace") && labels.contains(&"Digit"),
-        "CharClass should expose tokenizer bootstrap variants, got {labels:?}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/extdeps_sql_transport_test.rs b/src/v3/compiler/tests/integration/extdeps_sql_transport_test.rs
deleted file mode 100644
index a085845b0bf..00000000000
--- a/src/v3/compiler/tests/integration/extdeps_sql_transport_test.rs
+++ /dev/null
@@ -1,231 +0,0 @@
-//! **Layer:** integration
-//! HTTP/SQL/audit extdep authority checks.
-
-use crate::common::cached_compile_to_dag;
-use std::collections::HashSet;
-use v3_compiler::dag::{Dag, DeclarationId, TypeConnective};
-
-const HTTP_SERVER_DAG: &str = include_str!("../../../../../dsl/extdeps/http/server.dag");
-const REST_TRANSPORT_DAG: &str = include_str!("../../../../../dsl/extdeps/transports/rest.dag");
-const SQL_MIGRATION_DAG: &str = include_str!("../../../../../dsl/extdeps/sql/migration.dag");
-const SQL_TRANSPORT_DAG: &str = include_str!("../../../../../dsl/extdeps/transports/sql.dag");
-const AUDIT_CLOUDEVENTS_DAG: &str =
-    include_str!("../../../../../dsl/extdeps/audit/cloudevents.dag");
-
-fn compile_extdep(source: &str, path: &str) -> Dag {
-    cached_compile_to_dag(source, path)
-}
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn conj_field_ty(dag: &Dag, owner: &str, label: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(owner)
-        .unwrap_or_else(|| panic!("`{owner}` missing"));
-    let children = match &decl.connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("`{owner}` is not a Conj: {other:?}"),
-    };
-    children
-        .iter()
-        .find(|f| f.label == label)
-        .unwrap_or_else(|| panic!("`{owner}.{label}` missing"))
-        .ty
-}
-
-fn decl_id_by_name(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing"))
-        .id
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> HashSet<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-#[test]
-fn http_server_extdep_dag_compiles_cleanly() {
-    cached_compile_to_dag(HTTP_SERVER_DAG, "dsl/extdeps/http/server.dag");
-}
-
-#[test]
-fn http_server_target_fields_are_authoritative_substrate_edges() {
-    let dag = compile_extdep(HTTP_SERVER_DAG, "dsl/extdeps/http/server.dag");
-
-    assert_eq!(
-        conj_field_ty(&dag, "HttpStatusResponse", "status"),
-        decl_id_by_name(&dag, "HttpStatus"),
-        "HTTP response status must use the shared HttpStatus authority, not raw Int"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "HttpServerRoute", "path_template"),
-        decl_id_by_name(&dag, "PathTemplate"),
-        "HTTP route paths must use std.http_path.PathTemplate, not a parallel string"
-    );
-
-    let route_fields: HashSet<String> = conj_field_labels(&dag, "HttpServerRoute")
-        .into_iter()
-        .collect();
-    for field in [
-        "operation_name",
-        "method",
-        "path_template",
-        "request_body",
-        "parameters",
-        "responses",
-    ] {
-        assert!(
-            route_fields.contains(field),
-            "HttpServerRoute must carry field-sensitive emission target input `{field}`"
-        );
-    }
-    assert!(
-        !route_fields.contains("handler"),
-        "HttpServerRoute must stay framework-agnostic — Node handler binding belongs on NodeHttpServerRouteBinding"
-    );
-
-    assert_eq!(
-        conj_field_ty(&dag, "NodeHttpServerRouteBinding", "route"),
-        decl_id_by_name(&dag, "HttpServerRoute"),
-        "Node route bindings must reuse the shared HttpServerRoute authority"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "NodeHttpServerRouteBinding", "listener"),
-        decl_id_by_name(&dag, "NodeHttpRequestListener"),
-        "Node route bindings must use NodeHttpRequestListener, not a parallel handler authority"
-    );
-
-    let chain_fields: HashSet<String> = conj_field_labels(&dag, "NodeHttpCreateServerEffectChain")
-        .into_iter()
-        .collect();
-    for field in ["serve", "listen"] {
-        assert!(
-            chain_fields.contains(field),
-            "Node HTTP server effect chain must structurally encode `{field}` before emission"
-        );
-    }
-    assert_eq!(
-        conj_field_ty(&dag, "NodeHttpCreateServerEffectChain", "serve"),
-        decl_id_by_name(&dag, "NodeHttpCreateServerServe"),
-        "Node serve step must use NodeHttpCreateServerServe"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "NodeHttpCreateServerEffectChain", "listen"),
-        decl_id_by_name(&dag, "HttpServerListenConfig"),
-        "Node listen step must use HttpServerListenConfig"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "NodeHttpCreateServerEmissionTarget", "effects"),
-        decl_id_by_name(&dag, "NodeHttpCreateServerEffectChain"),
-        "Node HTTP server emission must project through the fixed serve→listen chain"
-    );
-}
-
-#[test]
-fn rest_transport_dag_compiles_cleanly() {
-    cached_compile_to_dag(REST_TRANSPORT_DAG, "dsl/extdeps/transports/rest.dag");
-}
-
-#[test]
-fn sql_migration_extdep_dag_compiles_cleanly() {
-    cached_compile_to_dag(SQL_MIGRATION_DAG, "dsl/extdeps/sql/migration.dag");
-}
-
-#[test]
-fn sql_migration_target_fields_bound_raw_sql_scaffold() {
-    let dag = compile_extdep(SQL_MIGRATION_DAG, "dsl/extdeps/sql/migration.dag");
-
-    let variants = disj_variant_labels(&dag, "SqlMigrationOperationKind");
-    assert!(
-        variants.contains("RawSqlStep"),
-        "RawSqlStep is the explicitly bounded dialect-specific scaffold variant"
-    );
-
-    let step_fields: HashSet<String> = conj_field_labels(&dag, "SqlMigrationStep")
-        .into_iter()
-        .collect();
-    for field in ["name", "operation", "dialect", "statement", "reversible"] {
-        assert!(
-            step_fields.contains(field),
-            "SqlMigrationStep must carry field-sensitive migration target input `{field}`"
-        );
-    }
-}
-
-#[test]
-fn sql_transport_dag_compiles_cleanly() {
-    cached_compile_to_dag(SQL_TRANSPORT_DAG, "dsl/extdeps/transports/sql.dag");
-}
-
-#[test]
-fn audit_cloudevents_extdep_dag_compiles_cleanly() {
-    cached_compile_to_dag(AUDIT_CLOUDEVENTS_DAG, "dsl/extdeps/audit/cloudevents.dag");
-}
-
-#[test]
-fn audit_cloudevents_target_fields_preserve_core_names() {
-    let dag = compile_extdep(AUDIT_CLOUDEVENTS_DAG, "dsl/extdeps/audit/cloudevents.dag");
-
-    for (field, ty) in [
-        ("id", "CloudEventId"),
-        ("source", "CloudEventSource"),
-        ("specversion", "CloudEventSpecVersion"),
-        ("type", "CloudEventType"),
-        ("subject", "CloudEventSubject"),
-        ("time", "Timestamp"),
-    ] {
-        assert_eq!(
-            conj_field_ty(&dag, "AuditEventRecord", field),
-            decl_id_by_name(&dag, ty),
-            "AuditEventRecord.{field} must use the shared CloudEvents/std carrier `{ty}`"
-        );
-    }
-    assert_eq!(
-        conj_field_ty(&dag, "AuditEventField", "key"),
-        decl_id_by_name(&dag, "CloudEventExtensionName"),
-        "CloudEvents extension keys must use the branded extension-name carrier"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "AuditEventField", "value"),
-        decl_id_by_name(&dag, "CloudEventExtensionValue"),
-        "CloudEvents extension values must use the branded extension-value carrier"
-    );
-
-    let event_fields: HashSet<String> = conj_field_labels(&dag, "AuditEventRecord")
-        .into_iter()
-        .collect();
-    for field in [
-        "id",
-        "source",
-        "specversion",
-        "type",
-        "subject",
-        "actor",
-        "outcome",
-        "time",
-        "fields",
-    ] {
-        assert!(
-            event_fields.contains(field),
-            "AuditEventRecord must preserve CloudEvents/audit field `{field}`"
-        );
-    }
-    assert!(
-        !event_fields.contains("event_type") && !event_fields.contains("occurred_at"),
-        "AuditEventRecord must not regress to ctrl-local aliases for CloudEvents core fields"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/file_attachment_substrate_carrier_test.rs b/src/v3/compiler/tests/integration/file_attachment_substrate_carrier_test.rs
deleted file mode 100644
index aae5536c4f4..00000000000
--- a/src/v3/compiler/tests/integration/file_attachment_substrate_carrier_test.rs
+++ /dev/null
@@ -1,117 +0,0 @@
-//! **Layer:** integration
-//!
-//! Structural acceptance for R3 §1.8 gate #62 `substrate_gap_file_ingestion_closed`:
-//! `FileAttachment` in `src/v3/std/timing_lens.dag` (Refined-B-1 — 5-of-7 subset of
-//! `WorkflowObservationAnchor`; ratification `docs/briefs/r3-substrate-gate-62-file-attachment-carrier-worker.md`).
-
-use std::collections::HashSet;
-
-use v3_compiler::dag::{Dag, DeclarationId, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn conj_field_ty(dag: &Dag, name: &str, field: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => {
-            children
-                .iter()
-                .find(|f| f.label == field)
-                .unwrap_or_else(|| panic!("`{name}` missing `{field}` field"))
-                .ty
-        }
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-#[test]
-fn file_attachment_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut labels: Vec<String> = conj_field_labels(&dag, "FileAttachment");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec![
-            "attached_at_ns".to_string(),
-            "content_digest".to_string(),
-            "producer_id".to_string(),
-            "subject_node".to_string(),
-            "workflow_run_id".to_string(),
-        ],
-        "FileAttachment field set drifted from Refined-B-1 ratification (gate #62)"
-    );
-}
-
-/// P2 / M9: each field resolves to the same cross-module nominal authority as gate #55 anchor subset.
-#[test]
-fn file_attachment_field_types_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let node_id = dag
-        .declaration_by_name("NodeId")
-        .expect("`NodeId` missing from full bootstrap (substrate authority)")
-        .id;
-    let content_hash = dag
-        .declaration_by_name("ContentHash")
-        .expect("`ContentHash` missing from full bootstrap (std.types authority)")
-        .id;
-    let producer = dag
-        .declaration_by_name("WorkflowProducerId")
-        .expect("`WorkflowProducerId` missing from full bootstrap")
-        .id;
-    let run = dag
-        .declaration_by_name("WorkflowRunId")
-        .expect("`WorkflowRunId` missing from full bootstrap")
-        .id;
-    let nanoseconds = dag
-        .declaration_by_name("Nanoseconds")
-        .expect("`Nanoseconds` missing from full bootstrap (timing_lens authority)")
-        .id;
-    assert_eq!(
-        conj_field_ty(&dag, "FileAttachment", "subject_node"),
-        node_id,
-        "`FileAttachment.subject_node` must be `NodeId`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "FileAttachment", "content_digest"),
-        content_hash,
-        "`FileAttachment.content_digest` must be `ContentHash`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "FileAttachment", "producer_id"),
-        producer,
-        "`FileAttachment.producer_id` must be `WorkflowProducerId`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "FileAttachment", "workflow_run_id"),
-        run,
-        "`FileAttachment.workflow_run_id` must be `WorkflowRunId`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "FileAttachment", "attached_at_ns"),
-        nanoseconds,
-        "`FileAttachment.attached_at_ns` must be `Nanoseconds`"
-    );
-}
-
-#[test]
-fn file_attachment_field_count_is_five() {
-    let dag = generated_full_bootstrap_dag();
-    let labels = conj_field_labels(&dag, "FileAttachment");
-    let unique: HashSet<String> = labels.into_iter().collect();
-    assert_eq!(
-        unique.len(),
-        5,
-        "FileAttachment must declare exactly 5 fields (Refined-B-1)"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/four_fixture_regression_test.rs b/src/v3/compiler/tests/integration/four_fixture_regression_test.rs
deleted file mode 100644
index 2921fac7911..00000000000
--- a/src/v3/compiler/tests/integration/four_fixture_regression_test.rs
+++ /dev/null
@@ -1,397 +0,0 @@
-// Lane 6 — the four-fixture regression test suite.
-//
-// `docs/dependency-and-rendering-design.md` §3.3 states that any
-// correct ownership model must handle these four fixtures without
-// special-casing, and §9 says tests must verify the *fact*
-// (`ParameterContract`) — not a symptom proxy.
-//
-//   - `id(x) = x`                  → [Consumed]   (reach return)
-//   - `drop(x) = 0`                → [Borrowed]   (does not reach)
-//   - `wrap(x) = { field: x }`     → [Consumed]   (reach via construct)
-//   - `is_empty(x)` via `match x`  → [Borrowed]   (match-read only)
-//
-// **What a sound assertion looks like.** `ParameterContract` is not
-// yet a type in the compiler's Rust surface (it lands with Track 1
-// Phase 2). So the test asserts the fact via its one direct
-// emission-shape consequence from §4.2:
-//
-//   Borrowed → `fn <name>(p0: &T, ...)`   (leading `&` on param)
-//   Consumed → `fn <name>(p0: T, ...)`    (no `&` on param)
-//
-// Copy-ness does NOT collapse this distinction — the signature
-// strings differ regardless of whether the type is `i64`, `Vec<i64>`,
-// or a user enum. A clone-count proxy would have collapsed them
-// under Copy types; a signature-shape assertion does not.
-//
-// **Current-Phase status** (§10 Phase 1 — "conservative default:
-// all params Borrowed (safe)", clone count ~6):
-//
-//   The emitter renders every parameter as `&T` today, including
-//   the two `Consumed` fixtures (`id`, `wrap`). That means §3.3's
-//   contract is provably violated on those two today — which is
-//   exactly the Phase-1 → Phase-2 work that Track 1 closes.
-//
-//   To keep Lane 6 independently mergeable (per the dossier's
-//   "can start now with placeholder assertions" guidance) while
-//   still installing the §9 *sound* gate:
-//
-//     - Borrowed-contract tests (`drop`, `is_empty`) run LIVE
-//       and pass today, because Phase 1's conservative default
-//       already matches the Borrowed contract.
-//
-//     - Consumed-contract tests (`id`, `wrap`) run with
-//       `#[ignore]` and a named Phase-2 trigger. They encode the
-//       sound §3.3 fact; they will go green the moment Phase 2
-//       teaches the emitter to render Consumed as pass-by-value.
-//       Removing the `#[ignore]` is the single action that
-//       promotes Lane 6 from "Phase-1 half-gate" to "full §3.3
-//       gate".
-//
-// This is the structure §9 asks for: every test asserts the
-// contract, not a symptom. Half fire today (the half that matches
-// Phase 1's conservative default); the other half are parked with
-// an explicit, named unignore trigger. No test "passes" without
-// also verifying the §3.3 fact it claims to verify.
-//
-// **Soft cross-target dependency.** Track 2 (go.dag): each fixture
-// gets a `#[ignore]`'d cross-target variant. Go has no ownership
-// rendering at the ABI — all parameters pass by value — so the
-// go-side assertion is uniform regardless of contract. The
-// placeholders exist so adding the go emitter doesn't need to
-// remember to add variants; the test skeleton is already wired.
-
-use std::path::PathBuf;
-
-use crate::common::cached_compile_to_dag;
-use v3_compiler::dag::{Behavior, BindNode};
-use v3_compiler::emit::emit_go_text as emit_go;
-use v3_compiler::emit_rust::emit_rust;
-use v3_compiler::lens_unused_parameters::{UnusedParametersConfig, UnusedParametersLens};
-use v3_compiler::Dag;
-
-fn fixtures_dir() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("tests")
-        .join("four_fixture_pressure")
-}
-
-fn load(file: &str) -> (Dag, String) {
-    let path = fixtures_dir().join(file);
-    let source = std::fs::read_to_string(&path)
-        .unwrap_or_else(|e| panic!("read fixture {}: {e}", path.display()));
-    let dag = cached_compile_to_dag(&source, path.to_string_lossy().as_ref());
-    assert!(
-        dag.diagnostics().is_empty(),
-        "fixture {file} produced diagnostics: {:?}",
-        dag.diagnostics()
-    );
-    let emitted = emit_rust(&dag).expect("emit_rust");
-    (dag, emitted)
-}
-
-/// Return the first Bind whose name matches and which has at least
-/// one parameter — i.e. the user's declared function, not a value
-/// bind or an implicit main wrapper.
-fn find_function_bind<'a>(dag: &'a Dag, name: &str) -> &'a BindNode {
-    dag.nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Bind(bind) if bind.name == name && !bind.params.is_empty() => Some(bind),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("fixture must declare a function bind named `{name}`"))
-}
-
-/// The §3.3 reachability axis today's compiler can directly
-/// report. `UnusedParametersLens` returns a violation iff no use
-/// edge reads the parameter, which separates `drop` from the
-/// other three fixtures. This is the Phase-1 reachability fact;
-/// Phase 2 refines it into full `ParameterContract`.
-fn parameter_is_used(dag: &Dag, function_name: &str, parameter_index: usize) -> bool {
-    let lens = UnusedParametersLens::new(dag);
-    let violations = lens.query(&UnusedParametersConfig::default());
-    let bind = find_function_bind(dag, function_name);
-    !violations.iter().any(|violation| {
-        violation.function == bind.id && violation.parameter_index == parameter_index
-    })
-}
-
-/// The §3.3 fact `ParameterContract ∈ { Borrowed, Consumed }`
-/// translated to its direct emission consequence per §4.2:
-///
-///   Borrowed → `fn <name>(p0: &T, ...)`   (leading `&` on param)
-///   Consumed → `fn <name>(p0: T, ...)`    (no `&` on param)
-///
-/// This is the sound §9 gate: the signature string distinguishes
-/// the two contracts regardless of Copy-ness. A Copy type (e.g.
-/// `i64`) can still be rendered Consumed (no `&`) or Borrowed
-/// (`&i64`), and the gate catches which one was picked — where
-/// a clone-count proxy would have reported zero for both.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum ParameterContract {
-    Borrowed,
-    Consumed,
-}
-
-/// Assert the §3.3 parameter contract directly against the
-/// emitted Rust signature. Fails with a specific, targeted
-/// message that names the fixture, the expected contract, and
-/// quotes the signature that was found.
-fn assert_parameter_contract(emitted: &str, function_name: &str, expected: ParameterContract) {
-    let signature = extract_signature(emitted, function_name).unwrap_or_else(|| {
-        panic!("emit_rust output must contain `fn {function_name}`; emitted:\n{emitted}")
-    });
-    let first_param_type = extract_first_parameter_type(&signature).unwrap_or_else(|| {
-        panic!("signature for `{function_name}` has no parameter; signature:\n{signature}")
-    });
-    let has_leading_ampersand = first_param_type.starts_with('&');
-    let observed = if has_leading_ampersand {
-        ParameterContract::Borrowed
-    } else {
-        ParameterContract::Consumed
-    };
-    assert_eq!(
-        observed, expected,
-        "§3.3 ParameterContract violated for `{function_name}`: \
-         expected {expected:?}, observed {observed:?}. \
-         First-parameter type: `{first_param_type}`. \
-         Full signature: `{signature}`"
-    );
-}
-
-/// Extract the signature string from `fn <name>(...)` up through
-/// the closing paren of the parameter list. Returns `None` if
-/// the function is not present in `emitted`.
-fn extract_signature(emitted: &str, function_name: &str) -> Option<String> {
-    let needle = format!("fn {function_name}(");
-    let start = emitted.find(&needle)?;
-    let open_paren = start + needle.len() - 1;
-    // Match the closing paren at depth zero.
-    let bytes = emitted.as_bytes();
-    let mut depth = 0i32;
-    let mut close_paren = None;
-    for (i, &byte) in bytes.iter().enumerate().skip(open_paren) {
-        match byte {
-            b'(' => depth += 1,
-            b')' => {
-                depth -= 1;
-                if depth == 0 {
-                    close_paren = Some(i);
-                    break;
-                }
-            }
-            _ => {}
-        }
-    }
-    let close = close_paren?;
-    Some(emitted[start..=close].to_string())
-}
-
-/// Extract the declared type of the first parameter in a
-/// `fn name(p0: T, ...)` signature. Returns `None` if the
-/// signature has no parameters.
-fn extract_first_parameter_type(signature: &str) -> Option<&str> {
-    let open = signature.find('(')?;
-    let close = signature.rfind(')')?;
-    let params = signature.get((open + 1)..close)?.trim();
-    if params.is_empty() {
-        return None;
-    }
-    let first_param = params.split(',').next()?.trim();
-    let colon = first_param.find(':')?;
-    Some(first_param[(colon + 1)..].trim())
-}
-
-// --- Per-fixture tests ------------------------------------------------
-//
-// Each fixture runs TWO assertions:
-//
-//   (a) A Phase-1 reachability check via `UnusedParametersLens`.
-//       This pins the reachability fact today's compiler can
-//       directly report: `drop`'s parameter is unused; the other
-//       three are used. Phase 2 replaces this with a full
-//       `ParameterContract` API and the assertion tightens.
-//
-//   (b) The sound §3.3 `ParameterContract` gate via signature
-//       shape. For Borrowed fixtures (`drop`, `is_empty`) this
-//       runs live today and passes — Phase 1's conservative
-//       default matches. For Consumed fixtures (`id`, `wrap`)
-//       this is `#[ignore]`'d until Phase 2 teaches the emitter
-//       to render Consumed as pass-by-value; the fact is already
-//       asserted, just gated.
-
-/// `id(x: Int) -> Int = x` — parameter reaches return directly.
-/// §3.3 contract: **Consumed**. Phase 1's conservative default
-/// renders this as `fn id(p0: &i64)` (Borrowed), so the §3.3
-/// gate below is `#[ignore]`'d and paired with `four_fixture_
-/// id_phase2_consumed_contract` which activates at Phase 2.
-#[test]
-fn four_fixture_id_pins_reach_return_no_construct() {
-    let (dag, _emitted) = load("id.v3");
-    assert!(
-        parameter_is_used(&dag, "id", 0),
-        "`id` param must be observed as used (reaches return)"
-    );
-}
-
-#[test]
-fn four_fixture_id_phase2_consumed_contract() {
-    let (_dag, emitted) = load("id.v3");
-    assert_parameter_contract(&emitted, "id", ParameterContract::Consumed);
-}
-
-/// `drop(x: Int) -> Int = 0` — parameter does not reach return.
-/// §3.3 contract: **Borrowed**. Phase 1's conservative default
-/// already matches this contract, so the §3.3 gate runs live
-/// and passes today.
-#[test]
-fn four_fixture_drop_pins_param_not_reachable_from_return() {
-    let (dag, emitted) = load("drop.v3");
-    assert!(
-        !parameter_is_used(&dag, "drop", 0),
-        "`drop` param must be observed as unused (does not reach return)"
-    );
-    assert_parameter_contract(&emitted, "drop", ParameterContract::Borrowed);
-}
-
-/// `wrap(x: Int) -> Box = { value: x }` — parameter reaches
-/// return through record construction. §3.3 contract:
-/// **Consumed**. Same Phase-1 / Phase-2 split as `id`.
-#[test]
-fn four_fixture_wrap_pins_reach_return_through_construct() {
-    let (dag, _emitted) = load("wrap.v3");
-    assert!(
-        parameter_is_used(&dag, "wrap", 0),
-        "`wrap` param must be observed as used (reaches return via record)"
-    );
-}
-
-#[test]
-fn four_fixture_wrap_phase2_consumed_contract() {
-    let (_dag, emitted) = load("wrap.v3");
-    assert_parameter_contract(&emitted, "wrap", ParameterContract::Consumed);
-}
-
-/// `is_empty(b: BoxedFx) -> Bool = match b { ... }` — parameter
-/// is match-read but does not flow to return. §3.3 contract:
-/// **Borrowed**. Same as `drop`: Phase 1's conservative default
-/// matches, live gate today.
-#[test]
-fn four_fixture_is_empty_pins_no_reach_match_read_only() {
-    let (dag, emitted) = load("is_empty.v3");
-    assert!(
-        parameter_is_used(&dag, "is_empty_fx", 0),
-        "`is_empty_fx` param is observed as used today (match consumes it); \
-         post-Track-1-Phase-2 this strengthens to `disposition == Borrowed`"
-    );
-    assert_parameter_contract(&emitted, "is_empty_fx", ParameterContract::Borrowed);
-}
-
-// --- Abstraction-level assertion -------------------------------------
-//
-// The four fixtures together pin the *model's abstraction claim*:
-// one fact shape handles all four cases without per-fixture
-// special-casing. The test below runs them through one shared
-// assertion path, making divergent per-fixture behavior visible
-// as a shape change — even when individual per-fixture tests
-// keep passing.
-
-#[test]
-fn four_fixture_suite_shares_one_reachability_shape() {
-    struct Case {
-        fixture: &'static str,
-        function: &'static str,
-        param_reaches_anywhere: bool,
-    }
-
-    let cases = [
-        Case {
-            fixture: "id.v3",
-            function: "id",
-            param_reaches_anywhere: true,
-        },
-        Case {
-            fixture: "drop.v3",
-            function: "drop",
-            param_reaches_anywhere: false,
-        },
-        Case {
-            fixture: "wrap.v3",
-            function: "wrap",
-            param_reaches_anywhere: true,
-        },
-        Case {
-            fixture: "is_empty.v3",
-            function: "is_empty_fx",
-            param_reaches_anywhere: true,
-        },
-    ];
-
-    for case in cases {
-        let (dag, _) = load(case.fixture);
-        let used = parameter_is_used(&dag, case.function, 0);
-        assert_eq!(
-            used, case.param_reaches_anywhere,
-            "§3.3 reachability regressed for `{}`: fixture predicts used={}, lens reports used={}",
-            case.function, case.param_reaches_anywhere, used
-        );
-    }
-}
-
-// --- Cross-target assertions (Track 2, Half B landed go.dag) ----------
-//
-// Go has no `&T` vs `T` distinction at the ABI — all parameters pass
-// by value — so the go-side assertion is uniform regardless of §3.3
-// contract. These tests verify emit_go produces a function with a
-// pass-by-value first parameter for each fixture.
-
-fn assert_go_param_pass_by_value(fixture: &str, function_name: &str) {
-    let path = fixtures_dir().join(fixture);
-    let source = std::fs::read_to_string(&path)
-        .unwrap_or_else(|e| panic!("read fixture {}: {e}", path.display()));
-    let dag = cached_compile_to_dag(&source, path.to_string_lossy().as_ref());
-    let emitted = emit_go(&dag).expect("emit_go");
-    let needle = format!("func {function_name}(");
-    let start = emitted
-        .find(&needle)
-        .unwrap_or_else(|| panic!("emit_go output must contain `{needle}`; emitted:\n{emitted}"));
-    let after_open = &emitted[start + needle.len()..];
-    let close = after_open
-        .find(')')
-        .unwrap_or_else(|| panic!("unterminated paren in `{needle}`; emitted:\n{emitted}"));
-    let params = after_open[..close].trim();
-    assert!(
-        !params.is_empty(),
-        "signature for `{function_name}` has no parameters in:\n{emitted}"
-    );
-    let first_param = params.split(',').next().unwrap().trim();
-    let space = first_param
-        .find(char::is_whitespace)
-        .unwrap_or_else(|| panic!("malformed Go param (no type): `{first_param}`"));
-    let ty = first_param[(space + 1)..].trim();
-    assert!(
-        !ty.starts_with('*') && !ty.starts_with('&'),
-        "Go cross-target: param for `{function_name}` must pass by value (no `*`/`&`); \
-         got type `{ty}` in first-param `{first_param}`. Emitted:\n{emitted}"
-    );
-}
-
-#[test]
-fn four_fixture_id_cross_target_go_placeholder() {
-    assert_go_param_pass_by_value("id.v3", "id");
-}
-
-#[test]
-fn four_fixture_drop_cross_target_go_placeholder() {
-    assert_go_param_pass_by_value("drop.v3", "drop");
-}
-
-#[test]
-fn four_fixture_wrap_cross_target_go_placeholder() {
-    assert_go_param_pass_by_value("wrap.v3", "wrap");
-}
-
-#[test]
-fn four_fixture_is_empty_cross_target_go_placeholder() {
-    assert_go_param_pass_by_value("is_empty.v3", "is_empty_fx");
-}
diff --git a/src/v3/compiler/tests/integration/get_off_v3_compile_to_dag_census_test.rs b/src/v3/compiler/tests/integration/get_off_v3_compile_to_dag_census_test.rs
deleted file mode 100644
index 81d30595097..00000000000
--- a/src/v3/compiler/tests/integration/get_off_v3_compile_to_dag_census_test.rs
+++ /dev/null
@@ -1,357 +0,0 @@
-//! **Layer:** integration
-//!
-//! get-off-v3 — by-EXECUTION caller census + ratchet for
-//! `v3_compiler::compile_to_dag`.
-//!
-//! ## Why this exists
-//!
-//! `compile_to_dag` (defined at `src/v3/compiler/src/lib.rs`) is the v3
-//! whole-source compile entry point. The self-hosting thesis shrinks the
-//! hand-authored v3 Rust surface toward zero (`src/v3/SELF_HOSTING.md`),
-//! and every direct call to `compile_to_dag` is one more site that has to
-//! migrate before v3 can be retired. To drive that set down you first have
-//! to *see* it — and see it honestly.
-//!
-//! ## By execution, not grep-and-pin
-//!
-//! INVARIANTS.md E-10 is explicit: **"Done" means a consumer running green
-//! by execution — never typecheck-plus-grep. `.contains()` greps are not
-//! consumers; they pass whether or not the code runs.** A census that
-//! checked in a hand-counted number per caller file (the
-//! `grep + hand-count-pin` shape retired by #4633 for glob discovery) is a
-//! parallel ledger that drifts: the pinned number and the real source go
-//! out of sync silently, and nobody notices until an audit.
-//!
-//! This census instead **discovers the caller set by execution**: at test
-//! time it walks the live source tree, parses each `.rs` file, and counts
-//! the *direct* `compile_to_dag(` call sites it actually finds. The number
-//! is whatever the scan returns — there is no per-file pinned count to
-//! maintain. The only checked-in number is a single **ceiling**
-//! ([`COMPILE_TO_DAG_CALLER_CEILING`]) that the discovered total must stay
-//! at or below. The ceiling is a high-water mark, not a mirror of the
-//! count: it ratchets **down only** as callers are migrated off v3, exactly
-//! like the numeric `Arbitrary` / wall-clock ratchets in this repo
-//! (`src/v3/SELF_HOSTING.md` — "numeric ratchet monotonically decreasing
-//! toward zero").
-//!
-//! ## The consumer
-//!
-//! [`get_off_v3_compile_to_dag_caller_count_is_at_or_below_ceiling`] is a
-//! real consumer in E-10's sense: when a new direct `compile_to_dag`
-//! caller lands, **executing this test breaks**. It also emits the full
-//! per-file census as an artifact (printed, and written to
-//! `target/get-off-v3/compile_to_dag_caller_census.tsv`) so the tracking
-//! surface is visible — run with `--nocapture` to read it.
-//!
-//! ## Where this runs
-//!
-//! This is a **CI gate** as of PR #4659: the test is wired into
-//! `ci_floor_parity` in `.github/workflows/ci.yml` (the single CI
-//! authority per INVARIANTS.md). A 477th direct `compile_to_dag(` caller
-//! will fail CI. It also runs locally via `cargo test -p v3-compiler` and
-//! in review/dev runs, and emits the full per-file census as an artifact
-//! (printed under `--nocapture`, written to
-//! `target/get-off-v3/compile_to_dag_caller_census.tsv`).
-//!
-//! ## What counts as a caller
-//!
-//! A *direct* call to the `compile_to_dag` free function. The scanner
-//! deliberately does **not** count:
-//!   - `cached_compile_to_dag(` — the in-binary memoizing test helper
-//!     (`tests/integration/common/cached_compile.rs`); routing a test onto
-//!     it is itself part of getting off the direct call.
-//!   - `compile_to_dag_modules_in_order(` — the multi-module variant
-//!     (a distinct identifier).
-//!   - the `fn compile_to_dag(` definition itself.
-//! Matching mirrors the line-oriented regex
-//! `(?<![A-Za-z0-9_])(?<!fn )compile_to_dag\s*\(` so the count is
-//! reproducible against `grep -P` from a shell.
-
-use std::collections::BTreeMap;
-use std::fs;
-use std::path::{Path, PathBuf};
-
-/// High-water ceiling on the total number of direct `compile_to_dag`
-/// call sites across the scanned roots. **Ratchet down only.**
-///
-/// When you migrate callers off `compile_to_dag`, re-run this test, read
-/// the new total it reports, and lower this constant to match in the same
-/// PR. Never raise it: a new direct caller must either be removed before
-/// merge or land with explicit get-off-v3 sign-off (and a paired raise
-/// documented here). The north star is `0` — at which point `v3` has no
-/// direct whole-source compile callers left.
-const COMPILE_TO_DAG_CALLER_CEILING: usize = 375;
-
-/// The identifier whose direct call sites this census tracks.
-const TARGET_IDENT: &str = "compile_to_dag";
-
-/// Workspace-relative roots scanned for callers. `src` covers the entire
-/// `v3` surface (and proves there are no hidden callers in sibling
-/// versions, which contribute 0); `tools` catches the CI/ratchet helpers.
-const SCAN_ROOTS: &[&str] = &["src", "tools"];
-
-/// This census file is the discovery *instrument*, not a caller. Its own
-/// source carries literal `compile_to_dag(` text (the scanner unit-test
-/// cases and doc comments) that the scanner would otherwise count against
-/// the budget. Exclude it to keep discovery acyclic — the same posture
-/// `discover_owned_data` takes toward its own manifest/consumers (#4633).
-const SELF_EXCLUDE_REL: &str =
-    "src/v3/compiler/tests/integration/get_off_v3_compile_to_dag_census_test.rs";
-
-fn workspace_root() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("..")
-        .join("..")
-}
-
-fn is_word_byte(b: u8) -> bool {
-    b.is_ascii_alphanumeric() || b == b'_'
-}
-
-/// Count direct `compile_to_dag(` call sites in one file's text.
-///
-/// Reproduces, line by line, the matches of
-/// `(?<![A-Za-z0-9_])(?<!fn )compile_to_dag\s*\(`:
-///   - the identifier `compile_to_dag` appears,
-///   - the byte before it is not a word byte (excludes `cached_…`),
-///   - the identifier is not immediately preceded by `"fn "` (excludes the
-///     definition),
-///   - after the identifier, skipping only spaces/tabs (line-oriented, so
-///     no newline crossing — matching `grep`), the next byte is `(`.
-/// The trailing `(` check also excludes `compile_to_dag_modules_in_order(`,
-/// whose next byte is `_` rather than `(` or whitespace.
-fn count_direct_callers_in_text(text: &str) -> usize {
-    let bytes = text.as_bytes();
-    let needle = TARGET_IDENT.as_bytes();
-    let mut count = 0usize;
-    let mut i = 0usize;
-    while i + needle.len() <= bytes.len() {
-        if &bytes[i..i + needle.len()] != needle {
-            i += 1;
-            continue;
-        }
-        // Preceding byte must not be a word byte (so `cached_compile_to_dag`
-        // — preceded by `_` — does not match).
-        let preceded_by_word = i > 0 && is_word_byte(bytes[i - 1]);
-        // Not the `fn compile_to_dag` definition.
-        let is_definition = i >= 3 && &bytes[i - 3..i] == b"fn ";
-        if preceded_by_word || is_definition {
-            i += 1;
-            continue;
-        }
-        // After the identifier, skip spaces/tabs only (line-oriented) and
-        // require an opening paren.
-        let mut j = i + needle.len();
-        while j < bytes.len() && (bytes[j] == b' ' || bytes[j] == b'\t') {
-            j += 1;
-        }
-        if j < bytes.len() && bytes[j] == b'(' {
-            count += 1;
-        }
-        i += needle.len();
-    }
-    count
-}
-
-/// Recursively collect `.rs` files under `dir`.
-fn collect_rs_files(dir: &Path, out: &mut Vec<PathBuf>) {
-    let Ok(entries) = fs::read_dir(dir) else {
-        return;
-    };
-    for entry in entries.filter_map(Result::ok) {
-        let path = entry.path();
-        let Ok(file_type) = entry.file_type() else {
-            continue;
-        };
-        if file_type.is_dir() {
-            collect_rs_files(&path, out);
-        } else if file_type.is_file() && path.extension().and_then(|s| s.to_str()) == Some("rs") {
-            out.push(path);
-        }
-    }
-}
-
-/// A path is on the **test surface** iff a `tests` directory appears in it
-/// (`tests/integration/…`, `tests/boundary/…`, `determinism_test.rs` at the
-/// `tests/` root). Everything else — production `src/…` modules and `tools`
-/// helpers — is the non-test surface. The brief notes callers are
-/// concentrated on the test surface; the census reports both partitions but
-/// ratchets the **total**, keeping a single source of truth for the budget.
-fn is_test_surface(rel: &str) -> bool {
-    rel.split('/').any(|seg| seg == "tests")
-}
-
-struct Census {
-    /// Workspace-relative path -> direct caller count (only files with ≥1).
-    per_file: BTreeMap<String, usize>,
-    total: usize,
-    test_surface_total: usize,
-    non_test_total: usize,
-}
-
-fn discover_census() -> Census {
-    let root = workspace_root();
-    let mut files = Vec::new();
-    for scan_root in SCAN_ROOTS {
-        collect_rs_files(&root.join(scan_root), &mut files);
-    }
-
-    let mut per_file = BTreeMap::new();
-    let mut total = 0usize;
-    let mut test_surface_total = 0usize;
-    let mut non_test_total = 0usize;
-
-    for path in files {
-        let Ok(text) = fs::read_to_string(&path) else {
-            continue;
-        };
-        let rel = path
-            .strip_prefix(&root)
-            .unwrap_or(&path)
-            .to_string_lossy()
-            .replace('\\', "/");
-        if rel == SELF_EXCLUDE_REL {
-            continue;
-        }
-        let n = count_direct_callers_in_text(&text);
-        if n == 0 {
-            continue;
-        }
-        total += n;
-        if is_test_surface(&rel) {
-            test_surface_total += n;
-        } else {
-            non_test_total += n;
-        }
-        per_file.insert(rel, n);
-    }
-
-    Census {
-        per_file,
-        total,
-        test_surface_total,
-        non_test_total,
-    }
-}
-
-/// Render the census as TSV. First line is a `#`-prefixed summary; each
-/// remaining line is `count\tworkspace_relative_path`, sorted by descending
-/// count then path so the heaviest callers sit at the top.
-fn render_tsv(census: &Census) -> String {
-    let mut rows: Vec<(&String, &usize)> = census.per_file.iter().collect();
-    rows.sort_by(|a, b| b.1.cmp(a.1).then_with(|| a.0.cmp(b.0)));
-    let mut out = format!(
-        "# get-off-v3 compile_to_dag caller census (by execution)\n\
-         # total={}\tceiling={}\ttest_surface={}\tnon_test={}\tcaller_files={}\n",
-        census.total,
-        COMPILE_TO_DAG_CALLER_CEILING,
-        census.test_surface_total,
-        census.non_test_total,
-        census.per_file.len(),
-    );
-    for (path, count) in rows {
-        out.push_str(&format!("{count}\t{path}\n"));
-    }
-    out
-}
-
-/// Emit the census artifact to `target/get-off-v3/…` and return its path.
-/// Writing it is itself a (weak) consumer: a failure here fails the test.
-fn emit_artifact(tsv: &str) -> PathBuf {
-    let dir = workspace_root().join("target").join("get-off-v3");
-    fs::create_dir_all(&dir)
-        .unwrap_or_else(|e| panic!("create census artifact dir {}: {e}", dir.display()));
-    let path = dir.join("compile_to_dag_caller_census.tsv");
-    fs::write(&path, tsv)
-        .unwrap_or_else(|e| panic!("write census artifact {}: {e}", path.display()));
-    path
-}
-
-#[test]
-fn get_off_v3_compile_to_dag_caller_count_is_at_or_below_ceiling() {
-    let census = discover_census();
-    let tsv = render_tsv(&census);
-    let artifact = emit_artifact(&tsv);
-
-    // Print the artifact so the tracking surface is visible under
-    // `--nocapture`. This is a by-execution view, not a checked-in ledger.
-    println!(
-        "get-off-v3 compile_to_dag caller census (artifact: {})\n{}",
-        artifact.display(),
-        tsv,
-    );
-
-    // Self-check: the partition totals reconcile with the per-file sum, so
-    // the discovery scan genuinely executed over every counted file.
-    let summed: usize = census.per_file.values().copied().sum();
-    assert_eq!(
-        summed, census.total,
-        "census internal inconsistency: per-file sum {summed} != reported total {}",
-        census.total,
-    );
-    assert_eq!(
-        census.test_surface_total + census.non_test_total,
-        census.total,
-        "partition totals must reconcile with the grand total",
-    );
-
-    // The ratchet. Ratchet DOWN only.
-    assert!(
-        census.total <= COMPILE_TO_DAG_CALLER_CEILING,
-        "get-off-v3 ratchet breach: discovered {} direct `compile_to_dag` call site(s) \
-         ({} on the test surface, {} non-test), but the ceiling is {}.\n\
-         A new direct caller of `v3_compiler::compile_to_dag` landed. Every direct call \
-         is a site that must migrate before v3 can be retired (src/v3/SELF_HOSTING.md). \
-         Either remove the new call before merge (prefer routing tests onto \
-         `cached_compile_to_dag`, or onto the .dag substrate), or — if the caller is \
-         genuinely irreducible right now — raise this ceiling in the same PR with \
-         get-off-v3 sign-off and a note here. The artifact at {} lists every caller.",
-        census.total,
-        census.test_surface_total,
-        census.non_test_total,
-        COMPILE_TO_DAG_CALLER_CEILING,
-        artifact.display(),
-    );
-
-    // Slack guard: if the discovered total has dropped strictly below the
-    // ceiling, the ceiling is now slack and should be tightened to lock in
-    // the win. This fails loudly (with the exact number to write) rather
-    // than letting reductions silently re-open headroom for new callers —
-    // the ratchet only bites if it tracks the real high-water mark.
-    assert_eq!(
-        census.total, COMPILE_TO_DAG_CALLER_CEILING,
-        "get-off-v3 progress! Direct `compile_to_dag` callers dropped to {}, below the \
-         ceiling {}. Lower `COMPILE_TO_DAG_CALLER_CEILING` to {} in this PR to lock in the \
-         reduction (the ratchet must track the real high-water mark to keep biting).",
-        census.total, COMPILE_TO_DAG_CALLER_CEILING, census.total,
-    );
-}
-
-#[test]
-fn get_off_v3_census_scanner_matches_known_shapes() {
-    // Unit-level guard on the scanner semantics so the census number is
-    // trustworthy: the discovery is only as honest as what it counts.
-    let cases: &[(&str, usize)] = &[
-        ("compile_to_dag(src, file)", 1),
-        ("v3_compiler::compile_to_dag(src, file)", 1),
-        ("let d = compile_to_dag (src, file);", 1), // space before paren
-        ("cached_compile_to_dag(src, file)", 0),    // wrapper helper
-        ("compile_to_dag_modules_in_order(mods)", 0), // distinct variant
-        ("pub fn compile_to_dag(source: &str) {}", 0), // the definition
-        ("fn compile_to_dag(s: &str)", 0),          // definition (no `pub`)
-        ("// see compile_to_dag for details", 0),   // mention, no call paren
-        ("a_compile_to_dag(x)", 0),                 // word-prefixed identifier
-        (
-            "compile_to_dag(a);\n  compile_to_dag(b);\n  cached_compile_to_dag(c);",
-            2,
-        ),
-    ];
-    for (text, expected) in cases {
-        assert_eq!(
-            count_direct_callers_in_text(text),
-            *expected,
-            "scanner mismatch on {text:?}",
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/idempotency_lens_instance_blocker_test.rs b/src/v3/compiler/tests/integration/idempotency_lens_instance_blocker_test.rs
deleted file mode 100644
index e82a147c181..00000000000
--- a/src/v3/compiler/tests/integration/idempotency_lens_instance_blocker_test.rs
+++ /dev/null
@@ -1,97 +0,0 @@
-//! **Layer:** integration
-//!
-//! #1262 idempotency lens instance migration blocker receipt.
-//!
-//! The real `data idempotency_workflow_lens: Lens<...>` instance is deferred,
-//! but E6-G0 closes the generic function-valued structural data field blocker
-//! for `Lens<C>` / `Monoid<C>`-shaped values. These tests keep the historical
-//! blocker receipt current without introducing a Rust-only or test-only bridge.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{FieldValue, ValueBody};
-
-#[test]
-fn generic_lens_monoid_function_field_refs_lower_structurally() {
-    let source = r#"
-module blocker.lens_data_fields
-
-import std.algebra { Monoid }
-
-type MiniLens<C> {
-  read: fn(Int) -> C
-  sequential: Monoid<C>
-}
-
-fn read_int(x: Int) -> Int = x
-fn add_int(a: Int, b: Int) -> Int = a + b
-
-data int_monoid: Monoid<Int> = {
-  op: add_int,
-  identity: 0
-}
-
-data int_lens: MiniLens<Int> = {
-  read: read_int,
-  sequential: int_monoid
-}
-"#;
-
-    let file = "idempotency_lens_function_field_gap.dag";
-    let dag = compile_to_dag(source, file)
-        .expect("E6-G0 should lower generic Lens/Monoid function field refs structurally");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "generic Lens/Monoid function field fixture should compile cleanly; got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    let read_int = dag.declaration_by_name("read_int").unwrap().id;
-    let int_monoid = dag.declaration_by_name("int_monoid").unwrap().id;
-    let int_lens = dag.declaration_by_name("int_lens").unwrap();
-    let Some(ValueBody::Structural { fields }) = &int_lens.value_body else {
-        panic!(
-            "int_lens must lower to ValueBody::Structural, got {:?}",
-            int_lens.value_body
-        );
-    };
-    assert_eq!(
-        fields
-            .iter()
-            .find(|(label, _)| label == "read")
-            .map(|(_, value)| value),
-        Some(&FieldValue::Reference(read_int))
-    );
-    assert_eq!(
-        fields
-            .iter()
-            .find(|(label, _)| label == "sequential")
-            .map(|(_, value)| value),
-        Some(&FieldValue::Reference(int_monoid))
-    );
-}
-
-#[test]
-fn imported_sum_return_helper_calls_are_ordinary_calls() {
-    let source = r#"
-module blocker.imported_sum_return_helper
-
-import std.effects {
-  WorkflowIdempotencyReport,
-  report_unsupported_workflow_variant
-}
-
-fn use_imported_helper() -> WorkflowIdempotencyReport =
-  report_unsupported_workflow_variant(
-    "BranchEffect",
-    "lane2_stage2b_idempotency_lens",
-    "branch-wise idempotency composition is not available in this lane"
-  )
-"#;
-
-    let dag = compile_to_dag(source, "idempotency_lens_sum_helper_call.dag")
-        .expect("imported sum-return helper calls should lower as ordinary calls");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "imported sum-return helper fixture should compile cleanly; got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
diff --git a/src/v3/compiler/tests/integration/int_literal_cardinality_test.rs b/src/v3/compiler/tests/integration/int_literal_cardinality_test.rs
deleted file mode 100644
index 7687d636a9b..00000000000
--- a/src/v3/compiler/tests/integration/int_literal_cardinality_test.rs
+++ /dev/null
@@ -1,1001 +0,0 @@
-//! **Layer:** integration
-
-use std::collections::HashSet;
-
-use v3_compiler::dag::{
-    literal_bits_int, Behavior, CardinalityBound, FieldValue, LiteralBits, PortState,
-    TypeConnective, ValueBody,
-};
-use v3_compiler::emit_rust;
-use v3_compiler::integer_literal_routing_witness;
-
-use crate::common::{cached_compile_outcome, cached_compile_to_dag, CachedCompileOutcome};
-
-fn compile_semantic_fixture(source: &str, file: &str) -> v3_compiler::dag::Dag {
-    match cached_compile_outcome(source, file) {
-        CachedCompileOutcome::Semantic(dag) => dag,
-        other => panic!("expected semantic failure for {file}, got {other:?}"),
-    }
-}
-
-#[derive(Debug, Clone, Copy)]
-struct IntegerOverflowCase {
-    ty: &'static str,
-    target: &'static str,
-    literal: &'static str,
-    min: &'static str,
-    max: &'static str,
-    check_alias: bool,
-}
-
-fn assert_magnitude_out_of_range(source: String, file: &str, case: IntegerOverflowCase) {
-    let dag = match cached_compile_outcome(&source, file) {
-        CachedCompileOutcome::Semantic(dag) => dag,
-        CachedCompileOutcome::Clean(_) => {
-            panic!("{file}: `{}` overflow must fail closed", case.ty)
-        }
-    };
-    assert_eq!(
-        dag.diagnostics().len(),
-        1,
-        "{file}: out-of-range integer literal should emit one root-cause diagnostic, got {:#?}",
-        dag.diagnostics()
-    );
-    assert!(
-        dag.diagnostics().iter().any(|(_, diagnostic)| {
-            matches!(
-                diagnostic,
-                v3_compiler::diagnostics::Diagnostic::MagnitudeOutOfRange {
-                    literal,
-                    target,
-                    range_min_inclusive,
-                    range_max_inclusive,
-                    ..
-                } if literal == case.literal
-                    && target == case.target
-                    && range_min_inclusive == case.min
-                    && range_max_inclusive == case.max
-            )
-        }),
-        "{file}: expected MagnitudeOutOfRange for {case:?}, got {:#?}",
-        dag.diagnostics()
-    );
-}
-
-fn assert_data_value_scalar_typed_u8(
-    dag: &v3_compiler::dag::Dag,
-    name: &str,
-    literal: i64,
-    context: &str,
-) {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("{context}: no declaration named `{name}`"));
-    assert!(
-        matches!(&decl.value_body, Some(ValueBody::Scalar(LiteralBits::Int(n))) if n.parse::<i64>().ok() == Some(literal)),
-        "{context}: {name} value should be int literal {literal}, got {:?}",
-        decl.value_body
-    );
-    // `lower_data_item` stores the annotation on `connective` + a `meta_tag` edge; there is
-    // no `inhabits` link for scalar `data` items today.
-    let ty = decl
-        .meta_tag
-        .unwrap_or_else(|| panic!("{context}: {name} missing meta_tag to type decl"));
-    assert_eq!(
-        dag.declaration(ty).name.as_deref(),
-        Some("UInt8"),
-        "{context}: data `meta_tag` should point at the `UInt8` type declaration"
-    );
-}
-
-fn assert_int_value_port_resolves_to_uint8_in_file(
-    dag: &v3_compiler::dag::Dag,
-    literal: i64,
-    context: &str,
-    span_file: Option<&str>,
-) {
-    // S9 Slice 2.5: registry-driven `range` body synthesis creates additional
-    // `Value(LiteralBits::Int(_))` nodes in the DAG for each types.dag
-    // declaration's record fields (e.g. `RetryCount = Int where range(min:
-    // 1, max: 5)` produces Int(1) and Int(5) nodes). When the user-literal
-    // and a synthesized literal share the same bit-pattern, find the one in
-    // the user's source file via `span.file`. Falls back to first match if
-    // no file filter is provided (preserves prior behavior for tests where
-    // the literal is unambiguous).
-    let value = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Value(v)
-                if v.data == literal_bits_int(literal)
-                    && span_file.is_none_or(|f| v.span.file == f) =>
-            {
-                Some(v)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "{context}: int literal {literal} value node not found in DAG \
-                 (filter span.file={span_file:?})"
-            );
-        });
-    let ty = match dag.port(value.output).state() {
-        PortState::Resolved(ty) => ty,
-        other => panic!("{context}: literal {literal} should resolve, got {other:?}"),
-    };
-    assert_eq!(
-        dag.declaration(ty.declaration).name.as_deref(),
-        Some("UInt8"),
-        "{context}: in-range u8 should resolve the value port to UInt8, not default Int"
-    );
-}
-
-/// R2 Modeling Manager structural acceptance — `int_lit_magnitude_overflow_compile_error`:
-/// out-of-range literal vs fixed `ExactInterval` bounds surfaces [`Diagnostic::MagnitudeOutOfRange`].
-#[test]
-fn int_lit_magnitude_overflow_compile_error() {
-    let dag = compile_semantic_fixture("data x: UInt8 = 256", "int_lit_gate_u8_oob.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, d)| {
-            matches!(
-                d,
-                v3_compiler::diagnostics::Diagnostic::MagnitudeOutOfRange { literal, .. }
-                    if literal == "256"
-            )
-        }),
-        "expected MagnitudeOutOfRange, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn int_literals_fit_declared_integer_ranges() {
-    let source = r#"
-data i8_max: Int8 = 127
-data i16_max: Int16 = 32767
-data i32_max: Int32 = 2147483647
-data i64_max: Int64 = 9223372036854775807
-type ByteAlias = UInt8
-data alias_u8_max: ByteAlias = 255
-data u8_max: UInt8 = 255
-data u16_max: UInt16 = 65535
-data u32_max: UInt32 = 4294967295
-"#;
-
-    let dag = cached_compile_to_dag(source, "int_literal_ranges.v3");
-    for name in [
-        "i8_max",
-        "i16_max",
-        "i32_max",
-        "i64_max",
-        "alias_u8_max",
-        "u8_max",
-        "u16_max",
-        "u32_max",
-    ] {
-        assert!(
-            matches!(
-                dag.declaration_by_name(name)
-                    .and_then(|decl| decl.value_body.as_ref()),
-                Some(v3_compiler::dag::ValueBody::Scalar(LiteralBits::Int(_)))
-            ),
-            "{name} should lower as a scalar int literal"
-        );
-    }
-}
-
-#[test]
-fn unconstrained_int_literal_still_defaults_to_int64() {
-    let dag = cached_compile_to_dag("let x = 5", "int_literal_default.v3");
-    let value = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            v3_compiler::dag::Behavior::Value(value)
-                if value.data == literal_bits_int(5)
-                    && value.span.file == "int_literal_default.v3" =>
-            {
-                Some(value)
-            }
-            _ => None,
-        })
-        .expect("literal value node exists");
-    let ty = match dag.port(value.output).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => ty,
-        other => panic!("literal type should resolve, got {other:?}"),
-    };
-    assert_eq!(
-        dag.declaration(ty.declaration).name.as_deref(),
-        Some("Int"),
-        "unconstrained literals keep the explicit Int64 default alias"
-    );
-}
-
-/// Regression: lowering pre-seeds the value port to a narrow int annotation, while
-/// `decide(Behavior::Value)` still stamps the default `Int` shape. Inference must
-/// reconcile (in-range) or `MagnitudeOutOfRange` (OOB) — not a `TypeMismatch`.
-#[test]
-fn let_annotated_uint8_in_range_literal_narrows_against_preseed() {
-    let dag = cached_compile_to_dag("let x: UInt8 = 5", "let_u8_in_range.v3");
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-    // Filter to the user-source span — registry-driven `range` body
-    // synthesis adds Int(5) literal nodes from `dsl/std/types.dag`
-    // declarations like `RetryCount = Int where range(min: 1, max: 5)`.
-    assert_int_value_port_resolves_to_uint8_in_file(
-        &dag,
-        5,
-        "let u8 in-range",
-        Some("let_u8_in_range.v3"),
-    );
-}
-
-#[test]
-fn data_annotated_uint8_in_range_literal_narrows_against_preseed() {
-    let dag = cached_compile_to_dag("data d: UInt8 = 5", "data_u8_in_range.v3");
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-    // Data bodies use declaration `value` nodes / `inhabits` edges — not always a
-    // top-level `Behavior::Value` with the same wiring as `let`.
-    assert_data_value_scalar_typed_u8(&dag, "d", 5, "data u8 in-range");
-}
-
-/// Call-site literal: `decide_transform` must narrow the argument `7` to `UInt8` when
-/// the callee parameter is `UInt8` (same range facts as `let` / `data`, different site).
-#[test]
-fn call_site_u8_literal_narrows_against_uint8_parameter() {
-    // Avoid `id8` / `id_u8` name collisions with std/bootstrap templates.
-    let dag = cached_compile_to_dag(
-        "fn u8_id_for_call_site_test(x: UInt8) -> UInt8 = x\n\
-         let r: UInt8 = u8_id_for_call_site_test(7)\n",
-        "call_u8_narrow.v3",
-    );
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-    assert_int_value_port_resolves_to_uint8_in_file(
-        &dag,
-        7,
-        "call id_u8(7) argument literal",
-        Some("call_u8_narrow.v3"),
-    );
-}
-
-/// Emit must surface narrow Rust backing (`u8`) for UInt8 — this ratchets the
-/// `TypeConnective::Cardinality` + rust primitive bridge without a full `rustc` roundtrip.
-#[test]
-fn emit_rust_uint8_let_mentions_rust_u8() {
-    let dag = cached_compile_to_dag("let x: UInt8 = 5", "emit_rust_u8_let.v3");
-    let out = emit_rust::emit_rust(&dag).expect("emit");
-    assert!(
-        out.contains("u8") || out.contains("UInt8"),
-        "expected `u8` (or v3 `UInt8` trace) in emit output; got: {}",
-        &out.chars().take(800).collect::<String>()
-    );
-}
-
-#[test]
-fn let_annotated_uint8_literal_resolves_to_narrow_type() {
-    let dag = cached_compile_to_dag("let x: UInt8 = 5\n", "let_u8_narrow.v3");
-    // S9 Slice 2.5: synthesized `range(max: 5)` predicate bodies in
-    // `dsl/std/types.dag` (e.g. `RetryCount`) also create `Int(5)` literal
-    // nodes; filter by the user-source file to find the right one.
-    let value = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            v3_compiler::dag::Behavior::Value(v)
-                if v.data == literal_bits_int(5) && v.span.file == "let_u8_narrow.v3" =>
-            {
-                Some(v)
-            }
-            _ => None,
-        })
-        .expect("literal");
-    let ty = match dag.port(value.output).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => ty,
-        other => panic!("expected resolved port, got {other:?}"),
-    };
-    assert_eq!(
-        dag.declaration(ty.declaration).name.as_deref(),
-        Some("UInt8"),
-        "annotated u8-typed `let` should keep range-backed narrow type at the literal port"
-    );
-}
-
-#[test]
-fn let_annotated_uint8_out_of_range_emits_magnitude_diagnostic() {
-    let dag = compile_semantic_fixture("let x: UInt8 = 256\n", "let_u8_oob.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, diagnostic)| {
-            matches!(
-                diagnostic,
-                v3_compiler::diagnostics::Diagnostic::MagnitudeOutOfRange {
-                    literal,
-                    target,
-                    range_min_inclusive,
-                    range_max_inclusive,
-                    ..
-                } if literal == "256"
-                    && target == "u8"
-                    && range_min_inclusive == "0"
-                    && range_max_inclusive == "255"
-            )
-        }),
-        "expected MagnitudeOutOfRange for let literal, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn call_site_uint8_literal_narrows() {
-    let source = "fn id_u8(p: UInt8) -> UInt8 = p\nlet y: UInt8 = id_u8(7)\n";
-    let dag = cached_compile_to_dag(source, "call_u8_narrow.v3");
-    let value = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            v3_compiler::dag::Behavior::Value(v)
-                if v.data == literal_bits_int(7) && v.span.file == "call_u8_narrow.v3" =>
-            {
-                Some(v)
-            }
-            _ => None,
-        })
-        .expect("call literal 7");
-    let ty = match dag.port(value.output).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => ty,
-        other => panic!("expected resolved port, got {other:?}"),
-    };
-    assert_eq!(
-        dag.declaration(ty.declaration).name.as_deref(),
-        Some("UInt8")
-    );
-}
-
-#[test]
-fn emit_let_uint8_uses_narrow_rust_type() {
-    use v3_compiler::emit_rust::emit_rust;
-    let dag = cached_compile_to_dag("let x: UInt8 = 5\n", "emit_let_u8.v3");
-    let out = emit_rust(&dag).expect("emits");
-    assert!(
-        out.contains("u8") && out.contains("x") && out.contains("5"),
-        "expected u8-annotated let in Rust text, got: {out}"
-    );
-}
-
-#[test]
-fn uint64_upper_half_literal_tokenizes_and_narrows() {
-    // R3 gate #22: `IntLit` carries full decimal magnitude (`String`), so literals
-    // above `i64::MAX` remain representable and can narrow to `UInt64` when in range.
-    let dag = cached_compile_to_dag(
-        "data x: UInt64 = 9223372036854775808",
-        "uint64_upper_half_literal.v3",
-    );
-    let decl = dag.declaration_by_name("x").expect("data `x` declaration");
-    let ty = decl
-        .meta_tag
-        .expect("scalar data item should carry meta_tag to its type decl");
-    assert_eq!(
-        dag.declaration(ty).name.as_deref(),
-        Some("UInt64"),
-        "literal should narrow to UInt64"
-    );
-    assert!(
-        matches!(
-            &decl.value_body,
-            Some(ValueBody::Scalar(LiteralBits::Int(s))) if s == "9223372036854775808"
-        ),
-        "expected preserved decimal magnitude on declaration, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn uint128_full_magnitude_literal_tokenizes_and_narrows() {
-    // R3 gate #22: the literal carrier stores the full decimal magnitude, so
-    // the maximum UInt128 value is accepted without truncating through i128.
-    let max_u128 = "340282366920938463463374607431768211455";
-    let dag = cached_compile_to_dag(
-        &format!("data x: UInt128 = {max_u128}"),
-        "uint128_full_magnitude_literal.v3",
-    );
-    let decl = dag.declaration_by_name("x").expect("data `x` declaration");
-    let ty = decl
-        .meta_tag
-        .expect("scalar data item should carry meta_tag to its type decl");
-    assert_eq!(
-        dag.declaration(ty).name.as_deref(),
-        Some("UInt128"),
-        "literal should narrow to UInt128"
-    );
-    assert!(
-        matches!(
-            &decl.value_body,
-            Some(ValueBody::Scalar(LiteralBits::Int(s))) if s == max_u128
-        ),
-        "expected preserved decimal magnitude on declaration, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn int128_max_literal_tokenizes_and_narrows() {
-    // R3 gate #22: signed positive endpoint must narrow without truncating through a
-    // narrower host intermediate (same decimal-string carrier as `UInt128` / `UInt64` cases).
-    let max_i128 = "170141183460469231731687303715884105727";
-    let dag = cached_compile_to_dag(
-        &format!("data x: Int128 = {max_i128}"),
-        "int128_max_literal.v3",
-    );
-    let decl = dag.declaration_by_name("x").expect("data `x` declaration");
-    let ty = decl
-        .meta_tag
-        .expect("scalar data item should carry meta_tag to its type decl");
-    assert_eq!(
-        dag.declaration(ty).name.as_deref(),
-        Some("Int128"),
-        "literal should narrow to Int128"
-    );
-    assert!(
-        matches!(
-            &decl.value_body,
-            Some(ValueBody::Scalar(LiteralBits::Int(s))) if s == max_i128
-        ),
-        "expected preserved decimal magnitude on declaration, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn int128_min_literal_tokenizes_and_narrows() {
-    // R3 gate #22: substrate documents unary `-` through `i128::MIN` as in-range for the
-    // signed decimal literal carrier (no magnitude clamp at `i64::MAX`).
-    let min_i128 = "-170141183460469231731687303715884105728";
-    let dag = cached_compile_to_dag(
-        &format!("data x: Int128 = {min_i128}"),
-        "int128_min_literal.v3",
-    );
-    let decl = dag.declaration_by_name("x").expect("data `x` declaration");
-    let ty = decl
-        .meta_tag
-        .expect("scalar data item should carry meta_tag to its type decl");
-    assert_eq!(
-        dag.declaration(ty).name.as_deref(),
-        Some("Int128"),
-        "literal should narrow to Int128"
-    );
-    assert!(
-        matches!(
-            &decl.value_body,
-            Some(ValueBody::Scalar(LiteralBits::Int(s))) if s == min_i128
-        ),
-        "expected preserved decimal magnitude on declaration, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn int_literal_full_magnitude_carrier_rejects_beyond_documented_boundary() {
-    // R3 gate #22: the surface carrier intentionally accepts the full host narrowing range
-    // and then fails closed immediately past it, before any narrower host integer parse.
-    let cases = [
-        (
-            "data x: UInt128 = 340282366920938463463374607431768211456",
-            "invalid integer literal `340282366920938463463374607431768211456`",
-        ),
-        (
-            "data x: Int128 = -170141183460469231731687303715884105729",
-            "integer literal out of range for signed decimal literal",
-        ),
-    ];
-
-    for (source, expected) in cases {
-        let err = v3_compiler::compile_to_dag(source, "int_literal_full_magnitude_boundary.v3")
-            .expect_err("literal just beyond the full-magnitude carrier must fail closed");
-        let v3_compiler::CompileError::Tokenize(
-            v3_compiler::diagnostics::Diagnostic::TokenizerError { message, .. },
-        ) = err
-        else {
-            panic!("expected tokenizer diagnostic for `{source}`, got {err:?}");
-        };
-        assert!(
-            message.contains(expected),
-            "expected tokenizer diagnostic containing `{expected}`, got `{message}`"
-        );
-    }
-}
-
-#[test]
-fn out_of_range_uint8_literal_emits_magnitude_diagnostic() {
-    let dag = compile_semantic_fixture("data x: UInt8 = 256", "int_literal_u8_oob.v3");
-    assert_eq!(
-        dag.diagnostics().len(),
-        1,
-        "out-of-range integer literal should emit one root-cause diagnostic, got {:#?}",
-        dag.diagnostics()
-    );
-    assert!(
-        dag.diagnostics().iter().any(|(_, diagnostic)| {
-            matches!(
-                diagnostic,
-                v3_compiler::diagnostics::Diagnostic::MagnitudeOutOfRange {
-                    literal,
-                    target,
-                    range_min_inclusive,
-                    range_max_inclusive,
-                    ..
-                } if literal == "256"
-                    && target == "u8"
-                    && range_min_inclusive == "0"
-                    && range_max_inclusive == "255"
-            )
-        }),
-        "MagnitudeOutOfRange should carry typed bounds and no fabricated correction, got {:#?}",
-        dag.diagnostics()
-    );
-}
-
-/// R3 gate #21 — `int_refinement_overflow_proven_parametric`.
-///
-/// The proof obligation is not "UInt8 has a one-off overflow check"; every
-/// fixed-width integer refinement with a source-representable out-of-range
-/// literal must route through the same structural range facts and produce the
-/// same typed [`MagnitudeOutOfRange`](v3_compiler::diagnostics::Diagnostic::MagnitudeOutOfRange)
-/// diagnostic. **UInt64** literals above `i64::MAX` that still fit in `u64`
-/// are accepted under the decimal-string literal carrier (R3 gate #22;
-/// see `uint64_upper_half_literal_tokenizes_and_narrows`), while literals
-/// above the declared width fail through the same range-fact path. The 128-bit
-/// cases prove the same machinery is not tied to the host `i128` boundary:
-/// signed `Int128::MAX + 1` compares as a decimal [`BigInt`](num_bigint::BigInt)
-/// magnitude, while `UInt128` still participates through its representable
-/// lower-bound overflow (`-1`). Alias coverage is representative rather than
-/// exhaustive so this receipt stays under the CI per-test wall-clock ratchet.
-#[test]
-fn int_refinement_overflow_is_proven_parametric_for_representable_widths() {
-    let cases = [
-        IntegerOverflowCase {
-            ty: "Int8",
-            target: "i8",
-            literal: "128",
-            min: "-128",
-            max: "127",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "Int8",
-            target: "i8",
-            literal: "-129",
-            min: "-128",
-            max: "127",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "Int16",
-            target: "i16",
-            literal: "32768",
-            min: "-32768",
-            max: "32767",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "Int32",
-            target: "i32",
-            literal: "2147483648",
-            min: "-2147483648",
-            max: "2147483647",
-            check_alias: true,
-        },
-        IntegerOverflowCase {
-            ty: "Int64",
-            target: "i64",
-            literal: "9223372036854775808",
-            min: "-9223372036854775808",
-            max: "9223372036854775807",
-            check_alias: true,
-        },
-        IntegerOverflowCase {
-            ty: "Int128",
-            target: "i128",
-            literal: "170141183460469231731687303715884105728",
-            min: "-170141183460469231731687303715884105728",
-            max: "170141183460469231731687303715884105727",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "UInt8",
-            target: "u8",
-            literal: "256",
-            min: "0",
-            max: "255",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "UInt8",
-            target: "u8",
-            literal: "-1",
-            min: "0",
-            max: "255",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "UInt16",
-            target: "u16",
-            literal: "65536",
-            min: "0",
-            max: "65535",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "UInt32",
-            target: "u32",
-            literal: "4294967296",
-            min: "0",
-            max: "4294967295",
-            check_alias: true,
-        },
-        IntegerOverflowCase {
-            ty: "UInt64",
-            target: "u64",
-            literal: "18446744073709551616",
-            min: "0",
-            max: "18446744073709551615",
-            check_alias: true,
-        },
-        IntegerOverflowCase {
-            ty: "UInt64",
-            target: "u64",
-            literal: "-1",
-            min: "0",
-            max: "18446744073709551615",
-            check_alias: false,
-        },
-        IntegerOverflowCase {
-            ty: "UInt128",
-            target: "u128",
-            literal: "-1",
-            min: "0",
-            max: "340282366920938463463374607431768211455",
-            check_alias: false,
-        },
-    ];
-
-    for case in cases {
-        assert_magnitude_out_of_range(
-            format!("data x: {} = {}", case.ty, case.literal),
-            &format!(
-                "parametric_overflow_{}_{}.v3",
-                case.ty,
-                case.literal.replace('-', "neg")
-            ),
-            case,
-        );
-        if case.check_alias {
-            assert_magnitude_out_of_range(
-                format!("type Alias = {}\ndata x: Alias = {}", case.ty, case.literal),
-                &format!(
-                    "parametric_alias_overflow_{}_{}.v3",
-                    case.ty,
-                    case.literal.replace('-', "neg")
-                ),
-                case,
-            );
-        }
-    }
-}
-
-#[test]
-fn int_literal_ranges_follow_type_aliases() {
-    let dag = compile_semantic_fixture(
-        "type ByteAlias = UInt8\ndata x: ByteAlias = 256",
-        "int_literal_alias_u8_oob.v3",
-    );
-    assert_eq!(
-        dag.diagnostics().len(),
-        1,
-        "aliased out-of-range integer literal should emit one root-cause diagnostic, got {:#?}",
-        dag.diagnostics()
-    );
-    assert!(
-        dag.diagnostics().iter().any(|(_, diagnostic)| {
-            matches!(
-                diagnostic,
-                v3_compiler::diagnostics::Diagnostic::MagnitudeOutOfRange {
-                    literal,
-                    target,
-                    range_min_inclusive,
-                    range_max_inclusive,
-                    ..
-                } if literal == "256"
-                    && target == "u8"
-                    && range_min_inclusive == "0"
-                    && range_max_inclusive == "255"
-            )
-        }),
-        "expected aliased MagnitudeOutOfRange details, got {:#?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn rust_grounding_primitives_integer_witnesses_are_unique() {
-    let dag = v3_compiler::Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap diagnostics: {:?}",
-        dag.diagnostics()
-    );
-    let pilot = dag
-        .rust_grounding_primitives()
-        .expect("rust_grounding_primitives");
-    let ValueBody::List(elements) = pilot.value_body.as_ref().expect("value body") else {
-        panic!("expected ValueBody::List");
-    };
-    let rust_primitive = dag
-        .declaration_by_name("RustPrimitive")
-        .expect("RustPrimitive type");
-    let TypeConnective::Disj { variants } = &rust_primitive.connective else {
-        panic!("RustPrimitive must be a sum");
-    };
-    let integer_primitive_ctor = variants
-        .iter()
-        .find(|v| v.label == "IntegerPrimitive")
-        .expect("IntegerPrimitive variant")
-        .ty;
-    let mut witnesses = HashSet::new();
-    for element in elements {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = element
-        else {
-            continue;
-        };
-        if *constructor != integer_primitive_ctor {
-            continue;
-        }
-        let FieldValue::Variant {
-            constructor: algebra_ctor,
-            ..
-        } = &payload[1]
-        else {
-            panic!("algebra field must be a variant");
-        };
-        let FieldValue::Variant {
-            constructor: carrier_ctor,
-            ..
-        } = &payload[2]
-        else {
-            panic!("carrier field must be a variant");
-        };
-        assert!(
-            witnesses.insert((*algebra_ctor, *carrier_ctor)),
-            "duplicate integer routing witness in pilot list: {:?}",
-            (*algebra_ctor, *carrier_ctor)
-        );
-    }
-    assert_eq!(
-        witnesses.len(),
-        10,
-        "pilot carries ten distinct integer primitive witnesses (i8..i64, i128, u8..u64, u128); \
-         u128 row unblocked by R3 Phase A `IntervalInt::ExactInterval` BigInt host repr widening \
-         per gunbc#1739 #issuecomment-4392731264 + Option (ii) at #issuecomment-4393145631"
-    );
-}
-
-#[test]
-fn int_literal_range_routing_matches_std_type_witness() {
-    let dag = cached_compile_to_dag("data x: UInt8 = 5", "int_literal_witness_u8.v3");
-    let uint8 = dag.declaration_by_name("UInt8").expect("UInt8").id;
-    let std_witness = integer_literal_routing_witness(&dag, uint8).expect("UInt8 routing witness");
-    let pilot = dag.rust_grounding_primitives().expect("pilot");
-    let ValueBody::List(elements) = pilot.value_body.as_ref().expect("list") else {
-        panic!("expected list");
-    };
-    let rust_primitive = dag
-        .declaration_by_name("RustPrimitive")
-        .expect("RustPrimitive");
-    let TypeConnective::Disj { variants } = &rust_primitive.connective else {
-        panic!("RustPrimitive sum");
-    };
-    let integer_primitive_ctor = variants
-        .iter()
-        .find(|v| v.label == "IntegerPrimitive")
-        .unwrap()
-        .ty;
-    let mut matches = 0usize;
-    for element in elements {
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = element
-        else {
-            continue;
-        };
-        if *constructor != integer_primitive_ctor {
-            continue;
-        }
-        let FieldValue::Variant { constructor: a, .. } = &payload[1] else {
-            continue;
-        };
-        let FieldValue::Variant { constructor: c, .. } = &payload[2] else {
-            continue;
-        };
-        if (*a, *c) == std_witness {
-            matches += 1;
-        }
-    }
-    assert_eq!(
-        matches, 1,
-        "exactly one IntegerPrimitive row matches UInt8's declaration-identity witness"
-    );
-}
-
-#[test]
-fn int_literal_range_narrowing_does_not_bypass_refinement_discharge() {
-    let dag = compile_semantic_fixture(
-        "type PositiveInt = Int where PositiveInt > 0\n\
-         fn requires_positive(x: PositiveInt) -> Int = x\n\
-         fn bad() -> Int = requires_positive(1)",
-        "int_literal_refinement_discharge.v3",
-    );
-    let messages: Vec<String> = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, diagnostic)| diagnostic.message())
-        .collect();
-    assert!(
-        messages
-            .iter()
-            .any(|message| message.contains("refinement") || message.contains("no narrowing")),
-        "expected refinement discharge failure, got {messages:?}"
-    );
-}
-
-#[test]
-fn data_int_literal_range_narrowing_does_not_bypass_refinement() {
-    for (source, file) in [
-        (
-            "type PositiveInt = Int where PositiveInt > 0\n\
-             data x: PositiveInt = 1",
-            "data_int_literal_refinement_discharge.v3",
-        ),
-        (
-            "type PositiveInt = Int where PositiveInt > 0\n\
-             type LocalPositive = PositiveInt\n\
-             data x: LocalPositive = 1",
-            "data_int_literal_refined_alias_discharge.v3",
-        ),
-    ] {
-        let dag = compile_semantic_fixture(source, file);
-        let messages: Vec<String> = dag
-            .diagnostics()
-            .iter()
-            .map(|(_, diagnostic)| diagnostic.message())
-            .collect();
-        assert!(
-            messages
-                .iter()
-                .any(|message| message.contains("refinement") || message.contains("no narrowing")),
-            "expected refinement failure for {file}, got {messages:?}"
-        );
-    }
-}
-
-#[test]
-fn data_bool_string_scalar_literals_do_not_bypass_refinement() {
-    for (source, file) in [
-        (
-            "type TrueAlias = Bool where TrueAlias == true\n\
-             data x: TrueAlias = true",
-            "data_bool_literal_refinement_discharge.v3",
-        ),
-        (
-            "type NamedString = String where NamedString != \"\"\n\
-             data x: NamedString = \"gunbc\"",
-            "data_string_literal_refinement_discharge.v3",
-        ),
-    ] {
-        let dag = compile_semantic_fixture(source, file);
-        let messages: Vec<String> = dag
-            .diagnostics()
-            .iter()
-            .map(|(_, diagnostic)| diagnostic.message())
-            .collect();
-        assert!(
-            messages
-                .iter()
-                .any(|message| message.contains("refinement") || message.contains("no narrowing")),
-            "expected refinement failure for {file}, got {messages:?}"
-        );
-    }
-}
-
-/// T-ImpossibleBugs nested-optional flatten: `AtMostOne ∧ AtMostOne = AtMostOne`
-/// must hold for every `TypeConnective::Cardinality` declaration in the DAG,
-/// regardless of whether the cardinality was minted via `alloc_cardinality_decl`,
-/// the non-allocating `type_connective_cardinality` helper, or via generic
-/// substitution that walks `resolve_decl_with_subst` on a `Cardinality` node.
-fn assert_no_nested_at_most_one(dag: &v3_compiler::dag::Dag, context: &str) {
-    for decl in dag.declarations() {
-        let TypeConnective::Cardinality(payload) = &decl.connective else {
-            continue;
-        };
-        if payload.bound() != CardinalityBound::AtMostOne {
-            continue;
-        }
-        let inner = dag.declaration(payload.element());
-        if let TypeConnective::Cardinality(inner_payload) = &inner.connective {
-            assert!(
-                inner_payload.bound() != CardinalityBound::AtMostOne,
-                "{context}: declaration#{outer} (name={outer_name:?}) wraps \
-                 declaration#{inner} (name={inner_name:?}) in AtMostOne, but the \
-                 inner declaration is itself Cardinality(AtMostOne, …) — \
-                 the idempotence rule was bypassed",
-                outer = decl.id.raw(),
-                outer_name = decl.name,
-                inner = inner.id.raw(),
-                inner_name = inner.name,
-            );
-        }
-    }
-}
-
-#[test]
-fn nested_optional_flatten_holds_in_bootstrap_dag() {
-    let dag = cached_compile_to_dag("data probe: Int = 0\n", "nested_optional_bootstrap.v3");
-    assert_no_nested_at_most_one(&dag, "bootstrap");
-}
-
-#[test]
-fn nested_optional_flatten_holds_for_surface_double_question() {
-    let src = "\
-fn flatten_probe(x: Int??) -> Int? = x
-";
-    let dag = cached_compile_to_dag(src, "nested_optional_surface_double_question.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "surface nested optional should be diagnostic-free, got: {:?}",
-        dag.diagnostics()
-    );
-    assert_no_nested_at_most_one(&dag, "surface T??");
-}
-
-#[test]
-fn nested_optional_flatten_via_generic_specialization() {
-    // `unwrap_id` is generic over T and takes/returns `T?`. Calling it with
-    // `Int?` makes substitution ask for `Cardinality(AtMostOne, Int?-decl)`,
-    // where `Int?-decl` is itself `Cardinality(AtMostOne, Int)`. Without
-    // the idempotence rule wired into `resolve_decl_with_subst`, that walk
-    // would mint or re-use a nested `AtMostOne` declaration; with it, the
-    // walk lands on the existing single-AtMostOne declaration.
-    let src = "\
-fn unwrap_id<T>(x: T?) -> T? = x
-fn use_it(o: Int?) -> Int? = unwrap_id(o)
-";
-    let dag = cached_compile_to_dag(src, "nested_optional_generic_specialization.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "generic optional specialization should be diagnostic-free, got: {:?}",
-        dag.diagnostics()
-    );
-    assert_no_nested_at_most_one(&dag, "generic specialization");
-}
-
-#[test]
-fn structural_data_scalar_fields_do_not_bypass_refinement() {
-    let dag = compile_semantic_fixture(
-        "type PositiveInt = Int where PositiveInt > 0\n\
-         type Box { value: PositiveInt }\n\
-         data x: Box = { value: 1 }",
-        "structural_data_refined_scalar_field.v3",
-    );
-    let messages: Vec<String> = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, diagnostic)| diagnostic.message())
-        .collect();
-    assert!(
-        messages
-            .iter()
-            .any(|message| message.contains("refinement") || message.contains("no narrowing")),
-        "expected refinement failure, got {messages:?}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/l1_5_fixed_point_test.rs b/src/v3/compiler/tests/integration/l1_5_fixed_point_test.rs
deleted file mode 100644
index d3a32cad3df..00000000000
--- a/src/v3/compiler/tests/integration/l1_5_fixed_point_test.rs
+++ /dev/null
@@ -1,642 +0,0 @@
-//! **Layer:** integration (TESTING.md § test layers — multi-stage
-//! pipeline fixed-point convergence).
-
-use std::fs;
-use std::path::{Path, PathBuf};
-
-use v3_compiler::dag::{ArrowBody, TypeConnective};
-use v3_compiler::{
-    compare_stage_snapshots, compile_stage_snapshots, default_fixed_point_source, Dag,
-};
-
-/// Matches `pipeline_authority::PIPELINE_AUTHORITY_FILE` — integration tests cannot import `pub(crate)` helpers.
-const PIPELINE_AUTHORITY_FILE: &str = "src/v3/compiler/pipeline.dag";
-// Split these sentinel strings so the ratchet does not match its own source.
-const FORBIDDEN_PIPELINE_DAG_MACRO_NAME: &str = concat!("include", "_str");
-const FORBIDDEN_PIPELINE_DAG_PATH: &str = concat!("pipeline", ".dag");
-
-#[test]
-fn pipeline_dag_bootstrap_authority_is_loaded_structurally() {
-    let dag = Dag::new();
-    let pipeline_types = [
-        "PipelineStageBinding",
-        "PipelineSnapshotKind",
-        "CompilerHostRealization",
-    ];
-    for name in pipeline_types {
-        let decl = dag
-            .declaration_by_name(name)
-            .unwrap_or_else(|| panic!("pipeline authority declaration `{name}` present"));
-        assert_eq!(
-            decl.span.file.as_str(),
-            PIPELINE_AUTHORITY_FILE,
-            "`{name}` must come from the bootstrapped pipeline authority"
-        );
-    }
-}
-
-/// Ratchet for `bridge_include_str_side_channels_retired` (pipeline slice): library sources under
-/// `src/v3/compiler/src/` and compiler tests must not embed `pipeline.dag` via `include_str!` —
-/// ordering authority stays structural (`PipelineStageBinding` / bootstrap witness).
-fn collect_rs_files(dir: &Path, out: &mut Vec<PathBuf>) {
-    let entries =
-        fs::read_dir(dir).unwrap_or_else(|e| panic!("read_dir {} failed: {e}", dir.display()));
-    for entry in entries {
-        let entry = entry.unwrap_or_else(|e| panic!("read_dir entry failed: {e}"));
-        let path = entry.path();
-        if path.is_dir() {
-            collect_rs_files(&path, out);
-        } else if path.extension().is_some_and(|ext| ext == "rs") {
-            out.push(path);
-        }
-    }
-}
-
-fn code_position_mask(text: &str) -> Vec<bool> {
-    let bytes = text.as_bytes();
-    let mut mask = vec![true; bytes.len()];
-    let mut idx = 0;
-
-    while idx < bytes.len() {
-        match bytes[idx] {
-            b'/' if bytes.get(idx + 1) == Some(&b'/') => {
-                let start = idx;
-                idx += 2;
-                while idx < bytes.len() && bytes[idx] != b'\n' {
-                    idx += 1;
-                }
-                mask[start..idx].fill(false);
-            }
-            b'/' if bytes.get(idx + 1) == Some(&b'*') => {
-                let start = idx;
-                idx += 2;
-                let mut depth = 1usize;
-                while idx < bytes.len() && depth > 0 {
-                    if bytes[idx] == b'/' && bytes.get(idx + 1) == Some(&b'*') {
-                        depth += 1;
-                        idx += 2;
-                    } else if bytes[idx] == b'*' && bytes.get(idx + 1) == Some(&b'/') {
-                        depth -= 1;
-                        idx += 2;
-                    } else {
-                        idx += 1;
-                    }
-                }
-                mask[start..idx].fill(false);
-            }
-            b'b' | b'c' if bytes.get(idx + 1) == Some(&b'"') => {
-                idx = mask_quoted_literal(bytes, &mut mask, idx, idx + 1);
-            }
-            b'b' if bytes.get(idx + 1) == Some(&b'r') => {
-                if let Some(end) = raw_string_end(bytes, idx + 2) {
-                    mask[idx..end].fill(false);
-                    idx = end;
-                } else {
-                    idx += 1;
-                }
-            }
-            b'r' => {
-                if let Some(end) = raw_string_end(bytes, idx + 1) {
-                    mask[idx..end].fill(false);
-                    idx = end;
-                } else {
-                    idx += 1;
-                }
-            }
-            b'"' => {
-                idx = mask_quoted_literal(bytes, &mut mask, idx, idx);
-            }
-            b'\'' => {
-                if apostrophe_starts_lifetime_or_label(bytes, idx) {
-                    idx += 1;
-                } else {
-                    idx = mask_quoted_literal(bytes, &mut mask, idx, idx);
-                }
-            }
-            _ => idx += 1,
-        }
-    }
-
-    mask
-}
-
-fn apostrophe_starts_lifetime_or_label(bytes: &[u8], quote: usize) -> bool {
-    let Some(next) = bytes.get(quote + 1).copied() else {
-        return false;
-    };
-    if !(next == b'_' || next.is_ascii_alphabetic()) {
-        return false;
-    }
-    let mut idx = quote + 2;
-    while bytes.get(idx).is_some_and(|byte| is_rust_ident_byte(*byte)) {
-        idx += 1;
-    }
-    bytes.get(idx) != Some(&b'\'')
-}
-
-fn raw_string_end(bytes: &[u8], mut idx: usize) -> Option<usize> {
-    let hash_start = idx;
-    while bytes.get(idx) == Some(&b'#') {
-        idx += 1;
-    }
-    if bytes.get(idx) != Some(&b'"') {
-        return None;
-    }
-    let hash_count = idx - hash_start;
-    idx += 1;
-    while idx < bytes.len() {
-        if bytes[idx] == b'"' {
-            let hashes_match =
-                (0..hash_count).all(|offset| bytes.get(idx + 1 + offset) == Some(&b'#'));
-            if hashes_match {
-                return Some(idx + 1 + hash_count);
-            }
-        }
-        idx += 1;
-    }
-    Some(bytes.len())
-}
-
-fn mask_quoted_literal(bytes: &[u8], mask: &mut [bool], start: usize, quote: usize) -> usize {
-    let delimiter = bytes[quote];
-    let mut idx = quote + 1;
-    while idx < bytes.len() {
-        if bytes[idx] == b'\\' {
-            idx = (idx + 2).min(bytes.len());
-        } else if bytes[idx] == delimiter {
-            idx += 1;
-            break;
-        } else {
-            idx += 1;
-        }
-    }
-    mask[start..idx].fill(false);
-    idx
-}
-
-fn is_rust_ident_byte(byte: u8) -> bool {
-    byte == b'_' || byte.is_ascii_alphanumeric()
-}
-
-fn skip_rust_trivia(bytes: &[u8], code_mask: &[bool], mut idx: usize) -> usize {
-    while idx < bytes.len()
-        && (bytes[idx].is_ascii_whitespace() || !code_mask.get(idx).copied().unwrap_or(false))
-    {
-        idx += 1;
-    }
-    idx
-}
-
-fn include_str_pipeline_dag_offenders(manifest_dir: &Path, path: &Path, text: &str) -> Vec<String> {
-    let mut offenders = Vec::new();
-    let code_mask = code_position_mask(text);
-    let bytes = text.as_bytes();
-    for (idx, _) in text.match_indices(FORBIDDEN_PIPELINE_DAG_MACRO_NAME) {
-        if !code_mask.get(idx).copied().unwrap_or(false) {
-            continue;
-        }
-        if idx > 0 && is_rust_ident_byte(bytes[idx - 1]) {
-            continue;
-        }
-        let after_macro_name = idx + FORBIDDEN_PIPELINE_DAG_MACRO_NAME.len();
-        if bytes
-            .get(after_macro_name)
-            .is_some_and(|byte| is_rust_ident_byte(*byte))
-        {
-            continue;
-        }
-        let bang = skip_rust_trivia(bytes, &code_mask, after_macro_name);
-        if bytes.get(bang) != Some(&b'!') {
-            continue;
-        }
-        let line_start = text[..idx].rfind('\n').map_or(0, |pos| pos + 1);
-        let line = &text[line_start..text[idx..].find('\n').map_or(text.len(), |pos| idx + pos)];
-        let trimmed = line.trim_start();
-
-        let after_bang = bang + 1;
-        let open = skip_rust_trivia(bytes, &code_mask, after_bang);
-        let Some((open_delimiter, close_delimiter)) = macro_delimiters(bytes.get(open).copied())
-        else {
-            continue;
-        };
-        let mut depth = 0usize;
-        let mut close = None;
-        for (pos, ch) in text[open..].char_indices() {
-            let absolute_pos = open + pos;
-            if !code_mask.get(absolute_pos).copied().unwrap_or(false) {
-                continue;
-            }
-            match ch {
-                _ if ch == open_delimiter => depth += 1,
-                _ if ch == close_delimiter => {
-                    if depth == 0 {
-                        break;
-                    }
-                    depth -= 1;
-                    if depth == 0 {
-                        close = Some(open + pos);
-                        break;
-                    }
-                }
-                _ => {}
-            }
-        }
-        let Some(close) = close else {
-            continue;
-        };
-
-        let macro_arg = &text[open + 1..close];
-        let joined_literals = joined_rust_string_literals(macro_arg);
-        if macro_arg.contains(FORBIDDEN_PIPELINE_DAG_PATH)
-            || joined_literals.contains(FORBIDDEN_PIPELINE_DAG_PATH)
-        {
-            offenders.push(format!(
-                "{}:{}:{}",
-                path.strip_prefix(manifest_dir).unwrap_or(path).display(),
-                text[..idx].bytes().filter(|byte| *byte == b'\n').count() + 1,
-                trimmed
-            ));
-        }
-    }
-    offenders
-}
-
-fn joined_rust_string_literals(text: &str) -> String {
-    let bytes = text.as_bytes();
-    let mut joined = String::new();
-    let mut idx = 0usize;
-    while idx < bytes.len() {
-        if let Some((content_start, content_end, end)) = raw_string_literal_bounds(bytes, idx) {
-            joined.push_str(&text[content_start..content_end]);
-            idx = end;
-            continue;
-        }
-        if bytes[idx] == b'"' {
-            idx += 1;
-            while idx < bytes.len() {
-                match bytes[idx] {
-                    b'\\' => {
-                        if let Some((escaped, end)) = rust_escape_value(bytes, idx) {
-                            joined.push(escaped);
-                            idx = end;
-                        } else {
-                            idx += 1;
-                        }
-                    }
-                    b'"' => {
-                        idx += 1;
-                        break;
-                    }
-                    byte => {
-                        joined.push(byte as char);
-                        idx += 1;
-                    }
-                }
-            }
-            continue;
-        }
-        if let Some((ch, end)) = char_literal_value(bytes, idx) {
-            joined.push(ch);
-            idx = end;
-            continue;
-        }
-        idx += 1;
-    }
-    joined
-}
-
-fn char_literal_value(bytes: &[u8], start: usize) -> Option<(char, usize)> {
-    if bytes.get(start) != Some(&b'\'') || apostrophe_starts_lifetime_or_label(bytes, start) {
-        return None;
-    }
-    let content = start + 1;
-    match bytes.get(content).copied()? {
-        b'\\' => {
-            let (escaped, end) = rust_escape_value(bytes, content)?;
-            if bytes.get(end) == Some(&b'\'') {
-                Some((escaped, end + 1))
-            } else {
-                None
-            }
-        }
-        byte if bytes.get(content + 1) == Some(&b'\'') => Some((byte as char, content + 2)),
-        _ => None,
-    }
-}
-
-fn rust_escape_value(bytes: &[u8], backslash: usize) -> Option<(char, usize)> {
-    if bytes.get(backslash) != Some(&b'\\') {
-        return None;
-    }
-    match bytes.get(backslash + 1).copied()? {
-        b'n' => Some(('\n', backslash + 2)),
-        b'r' => Some(('\r', backslash + 2)),
-        b't' => Some(('\t', backslash + 2)),
-        b'\\' => Some(('\\', backslash + 2)),
-        b'0' => Some(('\0', backslash + 2)),
-        b'\'' => Some(('\'', backslash + 2)),
-        b'"' => Some(('"', backslash + 2)),
-        b'x' => {
-            let hex = std::str::from_utf8(bytes.get(backslash + 2..backslash + 4)?).ok()?;
-            let value = u8::from_str_radix(hex, 16).ok()?;
-            Some((value as char, backslash + 4))
-        }
-        b'u' if bytes.get(backslash + 2) == Some(&b'{') => {
-            let mut end = backslash + 3;
-            while end < bytes.len() && bytes[end] != b'}' {
-                end += 1;
-            }
-            if bytes.get(end) != Some(&b'}') {
-                return None;
-            }
-            let hex = std::str::from_utf8(&bytes[backslash + 3..end]).ok()?;
-            let value = u32::from_str_radix(hex, 16).ok()?;
-            Some((char::from_u32(value)?, end + 1))
-        }
-        escaped => Some((escaped as char, backslash + 2)),
-    }
-}
-
-fn raw_string_literal_bounds(bytes: &[u8], start: usize) -> Option<(usize, usize, usize)> {
-    if bytes.get(start) != Some(&b'r') {
-        return None;
-    }
-    if start > 0 && is_rust_ident_byte(bytes[start - 1]) {
-        return None;
-    }
-    let mut quote = start + 1;
-    while bytes.get(quote) == Some(&b'#') {
-        quote += 1;
-    }
-    if bytes.get(quote) != Some(&b'"') {
-        return None;
-    }
-    let hash_count = quote - start - 1;
-    let content_start = quote + 1;
-    let mut idx = content_start;
-    while idx < bytes.len() {
-        if bytes[idx] == b'"'
-            && idx + 1 + hash_count <= bytes.len()
-            && bytes[idx + 1..idx + 1 + hash_count]
-                .iter()
-                .all(|byte| *byte == b'#')
-        {
-            return Some((content_start, idx, idx + 1 + hash_count));
-        }
-        idx += 1;
-    }
-    None
-}
-
-fn macro_delimiters(open: Option<u8>) -> Option<(char, char)> {
-    match open? {
-        b'(' => Some(('(', ')')),
-        b'[' => Some(('[', ']')),
-        b'{' => Some(('{', '}')),
-        _ => None,
-    }
-}
-
-#[test]
-fn compiler_sources_and_tests_have_no_include_str_pipeline_dag_authority() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let mut files = Vec::new();
-    collect_rs_files(&manifest_dir.join("src"), &mut files);
-    collect_rs_files(&manifest_dir.join("tests"), &mut files);
-    files.sort();
-    let mut offenders = Vec::new();
-    for path in files {
-        let text = fs::read_to_string(&path)
-            .unwrap_or_else(|e| panic!("read {} failed: {e}", path.display()));
-        offenders.extend(include_str_pipeline_dag_offenders(
-            &manifest_dir,
-            &path,
-            &text,
-        ));
-    }
-    assert!(
-        offenders.is_empty(),
-        "`src/**/*.rs` and `tests/**/*.rs` must not use {} on {} (see bridge_ledger \
-         bridge_include_str_side_channels_retired + pipeline_authority.rs). Offenders:\n{}",
-        format_args!("{FORBIDDEN_PIPELINE_DAG_MACRO_NAME}!"),
-        FORBIDDEN_PIPELINE_DAG_PATH,
-        offenders.join("\n")
-    );
-}
-
-#[test]
-fn include_str_pipeline_dag_ratchet_catches_split_literals() {
-    let manifest_dir = Path::new(env!("CARGO_MANIFEST_DIR"));
-    let path = manifest_dir.join("tests/integration/synthetic.rs");
-    let synthetic = format!(
-        r##"
-const OK: &str = include{}("other.dag");
-const BAD: &str = include{}(concat!("../../", "pipeline", ".dag"));
-const ALSO_BAD: &str = include_str /* trivia */ ! (concat!("../../", "pipeline", ".dag"));
-const BRACKET_BAD: &str = include_str![concat!("../../", "pipeline", ".dag")];
-const BRACE_BAD: &str = include_str!{{concat!("../../", "pipeline", ".dag")}};
-const RAW_BAD: &str = include_str!(concat!(r#"../../pipeline"#, r#".dag"#));
-const CHAR_BAD: &str = include_str!(concat!("../../pipe", 'l', "ine.dag"));
-const ESCAPE_BAD: &str = include_str!(concat!("../../pipe\u{{6c}}ine", ".dag"));
-"##,
-        "_str!", "_str!"
-    );
-    let offenders = include_str_pipeline_dag_offenders(manifest_dir, &path, &synthetic);
-    assert_eq!(offenders.len(), 7);
-    assert!(offenders[0].contains("synthetic.rs:3:"));
-    assert!(offenders[1].contains("synthetic.rs:4:"));
-    assert!(offenders[2].contains("synthetic.rs:5:"));
-    assert!(offenders[3].contains("synthetic.rs:6:"));
-    assert!(offenders[4].contains("synthetic.rs:7:"));
-    assert!(offenders[5].contains("synthetic.rs:8:"));
-    assert!(offenders[6].contains("synthetic.rs:9:"));
-}
-
-#[test]
-fn include_str_pipeline_dag_ratchet_ignores_inert_text() {
-    let manifest_dir = Path::new(env!("CARGO_MANIFEST_DIR"));
-    let path = manifest_dir.join("tests/integration/inert.rs");
-    let synthetic = format!(
-        r##"
-const STRING: &str = "include{}(\"pipeline.dag\")";
-const RAW: &str = r#"include{}("pipeline.dag")"#;
-// include{}("pipeline.dag")
-/*
-include{}("pipeline.dag")
-*/
-let _actual = include{}(concat!("../../", "pipeline", ".dag"));
-"##,
-        "_str!", "_str!", "_str!", "_str!", "_str!"
-    );
-    let offenders = include_str_pipeline_dag_offenders(manifest_dir, &path, &synthetic);
-    assert_eq!(offenders.len(), 1);
-    assert!(offenders[0].contains("inert.rs:8:"));
-}
-
-#[test]
-fn include_str_pipeline_dag_ratchet_handles_lifetimes_before_offenders() {
-    let manifest_dir = Path::new(env!("CARGO_MANIFEST_DIR"));
-    let path = manifest_dir.join("tests/integration/lifetime.rs");
-    let synthetic = format!(
-        r#"
-fn lifetime_marker<'a>(input: &'a str) -> &'a str {{
-    input
-}}
-const BAD: &str = include{}(concat!("../../", "pipeline", ".dag"));
-"#,
-        "_str!"
-    );
-    let offenders = include_str_pipeline_dag_offenders(manifest_dir, &path, &synthetic);
-    assert_eq!(offenders.len(), 1);
-    assert!(offenders[0].contains("lifetime.rs:5:"));
-}
-
-#[test]
-fn bootstrap_loads_pipeline_stage_realizations() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "pipeline bootstrap should be clean, got {:?}",
-        dag.diagnostics()
-    );
-
-    let meta = dag
-        .declaration_by_name("CompilerHostRealization")
-        .expect("pipeline realization meta present")
-        .id;
-
-    for (stage, realization) in [
-        ("parse", "parse_realization"),
-        ("lower", "lower_realization"),
-        ("infer", "infer_realization"),
-        ("compute_ownership", "compute_ownership_realization"),
-        ("emit", "emit_realization"),
-        ("lens_complexity", "lens_complexity_realization"),
-    ] {
-        let realization_id = dag
-            .declaration_by_name(realization)
-            .unwrap_or_else(|| panic!("realization `{realization}` present"))
-            .id;
-        let realization_decl = dag.declaration(realization_id);
-        assert_eq!(
-            realization_decl.meta_tag,
-            Some(meta),
-            "`{realization}` should point at CompilerHostRealization"
-        );
-        assert!(
-            matches!(realization_decl.connective, TypeConnective::Conj { .. }),
-            "`{realization}` should be materialized as a realization-shaped Conj"
-        );
-
-        let stage_decl = dag
-            .declaration_by_name(stage)
-            .unwrap_or_else(|| panic!("stage `{stage}` present"));
-        match &stage_decl.connective {
-            TypeConnective::Arrow { body, .. } => assert!(
-                matches!(body, ArrowBody::ExternalRealization(id) if *id == realization_id),
-                "`{stage}` should point at `{realization}` via ExternalRealization"
-            ),
-            other => panic!("stage `{stage}` should lower to Arrow, got {other:?}"),
-        }
-    }
-}
-
-/// Provenance ratchet: `PipelineStageBinding` rows must remain authored in `pipeline.dag` (same
-/// stable path the bootstrap embed uses), not only parse/infer shape checks (`bootstrap_loads_pipeline_stage_realizations`).
-#[test]
-fn pipeline_stage_bindings_are_pipeline_dag_sourced() {
-    let dag = Dag::new();
-    let binding_type = dag
-        .declaration_by_name("PipelineStageBinding")
-        .expect("PipelineStageBinding type present in bootstrap");
-    let mut bindings: Vec<_> = dag
-        .declarations()
-        .iter()
-        .filter(|d| d.meta_tag == Some(binding_type.id))
-        .collect();
-    assert!(
-        !bindings.is_empty(),
-        "expected at least one PipelineStageBinding row from pipeline authority"
-    );
-    bindings.sort_by_key(|d| d.id.raw());
-    for decl in bindings {
-        assert_eq!(
-            decl.span.file.as_str(),
-            PIPELINE_AUTHORITY_FILE,
-            "PipelineStageBinding `{}` must carry pipeline.dag provenance (got file {:?})",
-            decl.name.as_deref().unwrap_or("<anonymous>"),
-            decl.span.file
-        );
-    }
-}
-
-#[test]
-fn serialize_dag_is_deterministic() {
-    let snapshots_a = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .expect("snapshots compile");
-    let snapshots_b = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .expect("snapshots compile");
-    compare_stage_snapshots(&snapshots_a, &snapshots_b)
-        .expect("per-stage snapshots must be byte-stable across identical compiles");
-}
-
-#[test]
-fn fixed_point_emit_stage_is_byte_stable() {
-    let snapshots_a = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .expect("pass1 compiles");
-    let snapshots_b = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .expect("pass2 compiles");
-
-    let emit_a = snapshots_a
-        .iter()
-        .find(|snapshot| snapshot.stage == "emit")
-        .expect("emit stage present in pass1");
-    let emit_b = snapshots_b
-        .iter()
-        .find(|snapshot| snapshot.stage == "emit")
-        .expect("emit stage present in pass2");
-    assert_eq!(
-        emit_a.bytes, emit_b.bytes,
-        "emit-stage fixed-point bytes should stay stable while bootstrap moves"
-    );
-}
-
-#[test]
-fn snapshots_include_declared_lens_boundary() {
-    let snapshots = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .expect("snapshots compile");
-    let stages: Vec<_> = snapshots
-        .iter()
-        .map(|snapshot| snapshot.stage.as_str())
-        .collect();
-    assert_eq!(
-        stages,
-        vec![
-            "parse",
-            "lower",
-            "infer",
-            "compute_ownership",
-            "lens_complexity",
-            "emit",
-        ]
-    );
-}
-
-#[test]
-fn synthetic_divergence_names_stage() {
-    let pass1 = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .expect("pass1 compiles");
-    let mut pass2 = compile_stage_snapshots(default_fixed_point_source(), "fixed_point_input.v3")
-        .expect("pass2 compiles");
-
-    let stage = pass2
-        .iter_mut()
-        .find(|snapshot| snapshot.stage == "infer")
-        .expect("infer stage present");
-    stage.bytes.extend_from_slice(b"\n# synthetic divergence\n");
-    stage.dag = None;
-
-    let mismatch = compare_stage_snapshots(&pass1, &pass2)
-        .expect_err("synthetic divergence should be reported");
-    assert_eq!(mismatch.stage, "infer");
-}
diff --git a/src/v3/compiler/tests/integration/lane2_stage_2a_effects_smoke.rs b/src/v3/compiler/tests/integration/lane2_stage_2a_effects_smoke.rs
deleted file mode 100644
index ccf20bd35a5..00000000000
--- a/src/v3/compiler/tests/integration/lane2_stage_2a_effects_smoke.rs
+++ /dev/null
@@ -1,107 +0,0 @@
-// Lane 2 Stage 2a acceptance smoke: `src/v3/std/effects.dag` compiles
-// cleanly under `Dag::new()` bootstrap and exposes 5 representative
-// function signatures.
-//
-// The Stage 2a scope (per docs/lane2-compile-time-proofs.md:37) is
-// pure structural carry-over of `dsl/std/effects.dag`. This smoke
-// test encodes the acceptance gate: "compiles cleanly in v3; minimal
-// smoke test asserts parse + 5 representative function signatures."
-// Parse is covered in `real_stdlib_parse_smoke::effects_dag_parses`;
-// here we prove bootstrap picks the file up without diagnostics and
-// registers the function declarations downstream consumers need.
-
-use v3_compiler::dag::{ArrowBody, Dag, TypeConnective};
-
-fn arrow_body(dag: &Dag, name: &str) -> ArrowBody {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("expected `{name}` declaration after bootstrap"));
-    match &decl.connective {
-        TypeConnective::Arrow { body, .. } => body.clone(),
-        other => panic!("expected `{name}` to be Arrow, got {other:?}"),
-    }
-}
-
-fn assert_record_type(dag: &Dag, name: &str) {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("expected type `{name}` declaration after bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { .. } => {}
-        TypeConnective::Disj { .. } => {}
-        TypeConnective::Atom(_) => {}
-        other => panic!("expected `{name}` to be a record/enum/atom type, got {other:?}"),
-    }
-}
-
-#[test]
-fn effects_dag_bootstraps_without_diagnostics() {
-    let dag = Dag::new();
-    let effects_diags: Vec<_> = dag
-        .diagnostics()
-        .iter()
-        .filter(|(_, diag)| format!("{diag:?}").contains("effects.dag"))
-        .collect();
-    assert!(
-        effects_diags.is_empty(),
-        "src/v3/std/effects.dag produced diagnostics during bootstrap: {effects_diags:?}"
-    );
-}
-
-#[test]
-fn effects_dag_exposes_five_representative_function_signatures() {
-    let dag = Dag::new();
-
-    // Representative function signatures from the Stage 2a scope
-    // — one per algebraic concern the downstream lens pipeline uses.
-    // Per-arrow body-state is not asserted here because bootstrap
-    // lowers bodies into whatever shape the current compiler can
-    // handle (see `list.dag` staging note); the signature presence
-    // is the load-bearing acceptance bit.
-    for name in [
-        "is_idempotent_effect",
-        "compose_effects",
-        "generate_idempotency_obligations",
-    ] {
-        let _body = arrow_body(&dag, name);
-    }
-}
-
-#[test]
-fn effects_dag_inlines_required_http_path_helpers() {
-    let dag = Dag::new();
-
-    for name in ["parse_path_template", "last_path_param"] {
-        let _body = arrow_body(&dag, name);
-    }
-}
-
-#[test]
-fn effects_dag_exposes_core_effect_algebra_types() {
-    let dag = Dag::new();
-
-    // Types the downstream lens consumers query by name. Asserting
-    // the connectives are record/enum/atom shapes (not left as
-    // Pending placeholders) guards against regression into a
-    // parse-only carry-over where the types fail to lower.
-    for name in [
-        "EffectShape",
-        "IdempotentShape",
-        "BreakingShape",
-        "CreateCause",
-        "KeySource",
-        "IdempotencyEvidence",
-        "CompositionVerdict",
-        "Operation",
-        "WorkflowEffect",
-        "BoolPortRef",
-        "BranchArm",
-        "WorkflowIdempotencyReport",
-        "WorkflowParallelismReport",
-        "ParallelismUnsupportedKind",
-        "ParallelismUnsupportedDetail",
-        "IdempotencyUnsupportedDetail",
-    ] {
-        assert_record_type(&dag, name);
-    }
-}
diff --git a/src/v3/compiler/tests/integration/lane2_stage_2b_db18_test.rs b/src/v3/compiler/tests/integration/lane2_stage_2b_db18_test.rs
deleted file mode 100644
index 4f8480be34a..00000000000
--- a/src/v3/compiler/tests/integration/lane2_stage_2b_db18_test.rs
+++ /dev/null
@@ -1,410 +0,0 @@
-//! DB-18 / Lane 2 Stage 2b — `WorkflowEffect`, `bool_port_of`, and idempotency analysis.
-
-use std::collections::BTreeMap;
-use v3_compiler::analyze_workflow;
-use v3_compiler::compile_to_dag;
-
-use v3_compiler::dag::{
-    operation_effect_shape, ArrowBody, Behavior, BreakingShape, CallableRef, CompositionVerdict,
-    CreateCause, EffectShape, HttpMethodScalar, IdempotentShape, InputField, KeySource,
-    NonSingletonList, Operation, PathTemplate, RestEndpointBinding, TypeConnective, UrlPathToken,
-    WorkflowEffect, WorkflowIdempotencyReport,
-};
-use v3_compiler::diagnostics::{Diagnostic, SourceSpan};
-use v3_compiler::Dag;
-use v3_compiler::NodeId;
-
-fn lane2_anchor(dag: &Dag) -> NodeId {
-    // Do not use `nodes()[0]`: allocation order can place Transform/Branch/Loop
-    // before the first Value/Bind — `try_register_lane2_workflow_effect` only
-    // accepts Value or Bind.
-    dag.nodes()
-        .iter()
-        .find(|b| matches!(b, Behavior::Value(_) | Behavior::Bind(_)))
-        .expect("compile fixture should include a Value or Bind for lane2 staging")
-        .id()
-}
-
-fn op(dag: &Dag, shape: EffectShape) -> Operation {
-    let callable_name = match &shape {
-        EffectShape::IsIdempotent(IdempotentShape::ReadEffect) => "get_method",
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect { .. }) => "map_insert_method",
-        EffectShape::IsIdempotent(IdempotentShape::DeleteEffect { .. }) => "diff_method",
-        EffectShape::IsBreaking(BreakingShape::CreateEffect { .. }) => "concat_method",
-        EffectShape::IsBreaking(BreakingShape::AppendEffect) => "append_method",
-    };
-    let callable = dag
-        .declaration_by_name(callable_name)
-        .unwrap_or_else(|| panic!("missing callable declaration `{callable_name}`"))
-        .id;
-    let (method, tokens) = match shape {
-        EffectShape::IsIdempotent(IdempotentShape::ReadEffect) => (HttpMethodScalar::Get, vec![]),
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-            key_source: KeySource::PathParam { param },
-        }) => (
-            HttpMethodScalar::Put,
-            vec![UrlPathToken::ParamToken { name: param }],
-        ),
-        EffectShape::IsIdempotent(IdempotentShape::DeleteEffect {
-            key_source: KeySource::PathParam { param },
-        }) => (
-            HttpMethodScalar::Delete,
-            vec![UrlPathToken::ParamToken { name: param }],
-        ),
-        EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::PostAlways,
-        }) => (HttpMethodScalar::Post, vec![]),
-        EffectShape::IsBreaking(BreakingShape::AppendEffect) => (HttpMethodScalar::Post, vec![]),
-        EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::KeylessFallback { method },
-        }) => (method, vec![]),
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-            key_source: KeySource::InputField { field },
-        })
-        | EffectShape::IsIdempotent(IdempotentShape::DeleteEffect {
-            key_source: KeySource::InputField { field },
-        }) => panic!(
-            "Operation endpoints cannot rederive InputField key source `{field}` at Stage 2 scope"
-        ),
-    };
-    let inputs = tokens
-        .iter()
-        .filter_map(|token| match token {
-            UrlPathToken::ParamToken { name } => Some((name.clone(), InputField {})),
-            UrlPathToken::LiteralToken { .. } => None,
-        })
-        .collect::<BTreeMap<String, InputField>>();
-    Operation {
-        callable: CallableRef { decl: callable },
-        inputs,
-        endpoint: RestEndpointBinding {
-            method,
-            path: PathTemplate { tokens },
-        },
-    }
-}
-
-#[test]
-fn tier3_gate4_lane2_workflow_idempotency_report_std_body_still_unparsed_in_bootstrap() {
-    // Receipt for codex BLOCKING review (PR #2679): full `tier3_effect_carrier_mirror_dissolved`
-    // “emitted/evaluated std.effects as sole authority” cannot land until this
-    // `std.effects` arrow lowers — there is no evaluated host call path today.
-    let dag = Dag::new();
-    let decl = dag
-        .declaration_by_name("lane2_workflow_idempotency_report")
-        .expect("bootstrapped std.effects exports lane2_workflow_idempotency_report");
-    let TypeConnective::Arrow { body, .. } = &decl.connective else {
-        panic!("expected lane2_workflow_idempotency_report to be an Arrow declaration");
-    };
-    assert!(
-        matches!(body, ArrowBody::Unparsed(_)),
-        "expected ArrowBody::Unparsed for lane2_workflow_idempotency_report until std lowering + host evaluator bridge replaces the native projection in dag/effects.rs"
-    );
-}
-
-#[test]
-fn workflow_effect_decl_four_variants_in_bootstrap() {
-    let dag = Dag::new();
-    let decl = dag
-        .declaration_by_name("WorkflowEffect")
-        .expect("WorkflowEffect type from effects.dag");
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!("expected WorkflowEffect to be a sum");
-    };
-    assert_eq!(variants.len(), 4, "Linear / Branch / Loop / Parallel");
-}
-
-#[test]
-fn bool_port_of_requires_bool_port() {
-    let dag = compile_to_dag("let x = 1 + 2\nlet y = 1 < 2", "branch_arm.v3").expect("compile");
-    let binds: Vec<_> = dag.nodes().iter().filter_map(Behavior::as_bind).collect();
-    let int_bind = binds.iter().find(|b| b.name == "x").expect("x");
-    let bool_bind = binds.iter().find(|b| b.name == "y").expect("y");
-    let linear = || WorkflowEffect::LinearEffect {
-        ops: vec![op(
-            &dag,
-            EffectShape::IsIdempotent(IdempotentShape::ReadEffect),
-        )],
-    };
-    assert!(dag.bool_port_of(int_bind.value).is_none());
-    let pred = dag.bool_port_of(bool_bind.value).expect("bool port");
-    let arm = v3_compiler::dag::BranchArm::new(pred, linear());
-    assert_eq!(arm.bool_port().port_id(), bool_bind.value);
-}
-
-#[test]
-fn linear_empty_ops_is_idempotent_composition() {
-    let mut dag = compile_to_dag("let _ = 1", "lane2_empty.v3").expect("compile");
-    let root = lane2_anchor(&dag);
-    let wf = WorkflowEffect::LinearEffect { ops: vec![] };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_workflow(&dag, root);
-    assert!(matches!(
-        r,
-        WorkflowIdempotencyReport::WorkflowCompositionVerdict(
-            CompositionVerdict::IdempotentComposition
-        )
-    ));
-}
-
-#[test]
-fn gcp_style_linear_chain_idempotent() {
-    let mut dag = compile_to_dag("let _ = 1", "lane2_gcp.v3").expect("compile");
-    let root = lane2_anchor(&dag);
-    let wf = WorkflowEffect::LinearEffect {
-        ops: vec![
-            op(&dag, EffectShape::IsIdempotent(IdempotentShape::ReadEffect)),
-            op(
-                &dag,
-                EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-                    key_source: KeySource::PathParam {
-                        param: "name".into(),
-                    },
-                }),
-            ),
-            op(&dag, EffectShape::IsIdempotent(IdempotentShape::ReadEffect)),
-        ],
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_workflow(&dag, root);
-    assert!(matches!(
-        r,
-        WorkflowIdempotencyReport::WorkflowCompositionVerdict(
-            CompositionVerdict::IdempotentComposition
-        )
-    ));
-}
-
-#[test]
-fn keyless_upsert_fails_closed_as_breaking() {
-    let mut dag = compile_to_dag("let _ = 1", "lane2_keyless_upsert.v3").expect("compile");
-    let root = lane2_anchor(&dag);
-    let callable = dag
-        .declaration_by_name("map_insert_method")
-        .expect("bootstrap should provide map_insert_method")
-        .id;
-    let keyless_upsert = Operation {
-        callable: CallableRef { decl: callable },
-        inputs: BTreeMap::<String, InputField>::new(),
-        endpoint: RestEndpointBinding {
-            method: HttpMethodScalar::Put,
-            path: PathTemplate { tokens: vec![] },
-        },
-    };
-    assert!(matches!(
-        operation_effect_shape(&dag, &keyless_upsert),
-        Some(EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::KeylessFallback {
-                method: HttpMethodScalar::Put
-            }
-        }))
-    ));
-    let wf = WorkflowEffect::LinearEffect {
-        ops: vec![keyless_upsert],
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_workflow(&dag, root);
-    assert!(matches!(
-        r,
-        WorkflowIdempotencyReport::WorkflowCompositionVerdict(CompositionVerdict::BrokenBy { .. })
-    ));
-}
-
-#[test]
-fn ambiguous_std_method_anchor_fails_closed_as_idempotency_unsupported() {
-    let mut dag = compile_to_dag(
-        "type append_method {}\nlet _ = 1",
-        "lane2_ambiguous_std_method_anchor.v3",
-    )
-    .expect("compile");
-    let root = lane2_anchor(&dag);
-    let callable = dag
-        .declaration_by_name("map_insert_method")
-        .expect("bootstrap should provide map_insert_method")
-        .id;
-    let operation = Operation {
-        callable: CallableRef { decl: callable },
-        inputs: BTreeMap::<String, InputField>::new(),
-        endpoint: RestEndpointBinding {
-            method: HttpMethodScalar::Put,
-            path: PathTemplate { tokens: vec![] },
-        },
-    };
-
-    assert!(operation_effect_shape(&dag, &operation).is_none());
-    assert!(dag.try_register_lane2_workflow_effect(
-        root,
-        WorkflowEffect::LinearEffect {
-            ops: vec![operation],
-        },
-    ));
-    let WorkflowIdempotencyReport::IdempotencyUnsupported(detail) = analyze_workflow(&dag, root)
-    else {
-        panic!("classifier-anchor ambiguity should surface as unsupported, not CompositionVerdict");
-    };
-    assert_eq!(detail.variant_name, "LinearEffect");
-    assert!(detail.reason.contains("method anchors"));
-}
-
-#[test]
-fn undeclared_path_param_fails_closed_as_breaking() {
-    let dag = compile_to_dag("let _ = 1", "lane2_undeclared_path_param.v3").expect("compile");
-    let callable = dag
-        .declaration_by_name("map_insert_method")
-        .expect("bootstrap should provide map_insert_method")
-        .id;
-    let undeclared_param_upsert = Operation {
-        callable: CallableRef { decl: callable },
-        inputs: BTreeMap::<String, InputField>::new(),
-        endpoint: RestEndpointBinding {
-            method: HttpMethodScalar::Put,
-            path: PathTemplate {
-                tokens: vec![UrlPathToken::ParamToken {
-                    name: "id".to_string(),
-                }],
-            },
-        },
-    };
-    assert!(matches!(
-        operation_effect_shape(&dag, &undeclared_param_upsert),
-        Some(EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::KeylessFallback {
-                method: HttpMethodScalar::Put
-            }
-        }))
-    ));
-}
-
-#[test]
-fn append_effect_breaks_linear_chain() {
-    let mut dag = compile_to_dag("let _ = 1", "lane2_append.v3").expect("compile");
-    let root = lane2_anchor(&dag);
-    let wf = WorkflowEffect::LinearEffect {
-        ops: vec![
-            op(&dag, EffectShape::IsIdempotent(IdempotentShape::ReadEffect)),
-            op(&dag, EffectShape::IsBreaking(BreakingShape::AppendEffect)),
-        ],
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf.clone()));
-    let r = analyze_workflow(&dag, root);
-    let WorkflowIdempotencyReport::WorkflowCompositionVerdict(CompositionVerdict::BrokenBy {
-        first_breaker,
-    }) = r
-    else {
-        panic!("expected BrokenBy");
-    };
-    let breaker = wf
-        .operation_at(first_breaker)
-        .expect("breaker ref should resolve into linear ops");
-    assert!(matches!(
-        operation_effect_shape(&dag, breaker),
-        Some(EffectShape::IsBreaking(BreakingShape::AppendEffect))
-    ));
-}
-
-#[test]
-fn post_create_is_breaking() {
-    let mut dag = compile_to_dag("let _ = 1", "lane2_post.v3").expect("compile");
-    let root = lane2_anchor(&dag);
-    let wf = WorkflowEffect::LinearEffect {
-        ops: vec![op(
-            &dag,
-            EffectShape::IsBreaking(BreakingShape::CreateEffect {
-                cause: CreateCause::PostAlways,
-            }),
-        )],
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_workflow(&dag, root);
-    assert!(matches!(
-        r,
-        WorkflowIdempotencyReport::WorkflowCompositionVerdict(CompositionVerdict::BrokenBy { .. })
-    ));
-}
-
-#[test]
-fn diagnostic_paths_name_stage2b() {
-    let mut dag = compile_to_dag("let c = 1 < 2\nlet d = 2 < 3", "cd.v3").expect("compile");
-    let binds: Vec<_> = dag.nodes().iter().filter_map(Behavior::as_bind).collect();
-    let c = binds.iter().find(|b| b.name == "c").expect("c");
-    let d = binds.iter().find(|b| b.name == "d").expect("d");
-    let stage = "lane2_stage2b_idempotency_lens";
-    let linear = WorkflowEffect::LinearEffect {
-        ops: vec![op(
-            &dag,
-            EffectShape::IsIdempotent(IdempotentShape::ReadEffect),
-        )],
-    };
-    let root = lane2_anchor(&dag);
-    for (wf, name) in [
-        (
-            WorkflowEffect::BranchEffect {
-                arms: NonSingletonList::from_vec(vec![
-                    v3_compiler::dag::BranchArm::new(
-                        dag.bool_port_of(c.value).unwrap(),
-                        linear.clone(),
-                    ),
-                    v3_compiler::dag::BranchArm::new(
-                        dag.bool_port_of(d.value).unwrap(),
-                        linear.clone(),
-                    ),
-                ])
-                .unwrap(),
-            },
-            "BranchEffect",
-        ),
-        (
-            WorkflowEffect::LoopEffect {
-                body: Box::new(linear.clone()),
-            },
-            "LoopEffect",
-        ),
-        (
-            WorkflowEffect::ParallelEffect {
-                branches: NonSingletonList::from_vec(vec![
-                    Box::new(linear.clone()),
-                    Box::new(linear.clone()),
-                ])
-                .unwrap(),
-            },
-            "ParallelEffect",
-        ),
-    ] {
-        assert!(dag.try_register_lane2_workflow_effect(root, wf));
-        let r = analyze_workflow(&dag, root);
-        let WorkflowIdempotencyReport::IdempotencyUnsupported(d) = r else {
-            panic!("expected diagnostic for {name}");
-        };
-        assert_eq!(d.variant_name, name);
-        assert_eq!(d.downstream_stage, stage);
-    }
-}
-
-#[test]
-fn branch_condition_not_bool_diagnostic_records_span() {
-    let mut dag = compile_to_dag("let x = 1 + 2", "branch_cond.v3").expect("compile");
-    let int_port = {
-        let binds: Vec<_> = dag.nodes().iter().filter_map(Behavior::as_bind).collect();
-        let int_bind = binds.iter().find(|b| b.name == "x").expect("x");
-        int_bind.value
-    };
-    let span = SourceSpan::new("branch_cond.v3", 4, 5);
-    assert!(dag
-        .bool_port_for_branch_condition_or_diagnose(int_port, span.clone())
-        .is_none());
-    let diags: Vec<_> = dag.diagnostics().iter().collect();
-    assert_eq!(diags.len(), 1);
-    let d = diags[0].1;
-    let Diagnostic::BranchConditionNotBool {
-        port,
-        actual_type,
-        span: sp,
-        ..
-    } = d
-    else {
-        panic!("expected BranchConditionNotBool, got {d:?}");
-    };
-    assert_eq!(*port, int_port);
-    assert!(actual_type.is_some());
-    assert_eq!(sp.file, "branch_cond.v3");
-}
diff --git a/src/v3/compiler/tests/integration/lane2_stage_2c_db15_test.rs b/src/v3/compiler/tests/integration/lane2_stage_2c_db15_test.rs
deleted file mode 100644
index 686b3875a49..00000000000
--- a/src/v3/compiler/tests/integration/lane2_stage_2c_db15_test.rs
+++ /dev/null
@@ -1,57 +0,0 @@
-//! DB-15 — `requires` on `TestClaim` + obligation materialization entry (Stage 2c).
-
-use v3_compiler::dag::{Dag, TypeConnective};
-
-#[test]
-fn test_claim_carries_requires_field() {
-    let dag = Dag::new();
-    let decl = dag
-        .declaration_by_name("TestClaim")
-        .expect("TestClaim from std.verification");
-    let TypeConnective::Conj { children } = &decl.connective else {
-        panic!("TestClaim not Conj");
-    };
-    let labels: Vec<_> = children.iter().map(|c| c.label.as_str()).collect();
-    assert!(labels.contains(&"requires"), "{labels:?}");
-}
-
-#[test]
-fn db15_obligation_surface_is_declared() {
-    let dag = Dag::new();
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-    dag.declaration_by_name("TestObligation")
-        .expect("TestObligation type");
-    dag.declaration_by_name("materialize_test_obligations")
-        .expect("materialize_test_obligations");
-    dag.declaration_by_name("claim_obligation_resources")
-        .expect("claim_obligation_resources — sole projection from requires");
-}
-
-#[test]
-fn resource_handle_matches_dsl_authority_including_cap() {
-    let dag = Dag::new();
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-    let decl = dag
-        .declaration_by_name("ResourceHandle")
-        .expect("ResourceHandle from v3.std.resources");
-    let TypeConnective::Conj { children } = &decl.connective else {
-        panic!("ResourceHandle not a record");
-    };
-    let labels_ordered: Vec<_> = children.iter().map(|c| c.label.as_str()).collect();
-    assert_eq!(
-        labels_ordered,
-        vec!["type", "resource_id", "key", "cap"],
-        "ResourceHandle field order must match dsl/std/resources.dag `ResourceHandle` (lines 20–25) exactly"
-    );
-    let secret_decl = dag
-        .declaration_by_name("Secret")
-        .expect("Secret from std.types");
-    let cap_field = children
-        .iter()
-        .find(|c| c.label == "cap")
-        .expect("cap field");
-    assert_eq!(
-        cap_field.ty, secret_decl.id,
-        "cap field must resolve to std.types.Secret — the dsl/std/resources.dag forgery proof"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/lane2_stage_2d_symbolic_cost_test.rs b/src/v3/compiler/tests/integration/lane2_stage_2d_symbolic_cost_test.rs
deleted file mode 100644
index 56e9072fd85..00000000000
--- a/src/v3/compiler/tests/integration/lane2_stage_2d_symbolic_cost_test.rs
+++ /dev/null
@@ -1,980 +0,0 @@
-// Lane 2 Stage 2d / DB-7 — symbolic-cost lens acceptance tests.
-#![allow(clippy::needless_borrows_for_generic_args)]
-//
-// Authority: `src/v3/lenses/cost.dag` (projection:
-// `src/v3/compiler/src/cost_symbolic_lens_generated.rs`).
-//
-// These tests pin the per-Behavior lowering contract DB-7 specifies
-// — every Behavior variant produces an honest asymptotic bound, and
-// the composition algebra in `src/v3/std/algebra.dag` (+ its Rust
-// mirror in `dag.rs`) normalizes correctly.
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::complexity_lattice::complexity_enforcement_budget_dominates;
-use v3_compiler::dag::{
-    classify_symbolic_cost, dominates, iterate, max_path, normalize, positive_descent_count,
-    sequential, ArithmeticOp, AsymptoticClass, Behavior, Dag, DegreeAtLeastTwo, Lookup,
-    NonSingletonList, OperatorKind, PortId, SizeVariable, SymbolicCost, TransformTarget,
-    TypeConnective,
-};
-use v3_compiler::emit_rust::emit_rust_module;
-use v3_compiler::lens_cost_symbolic::{
-    symbolic_cost_lookup, transform_cost_for_target, SymbolicCostEntry, SymbolicCostLookup,
-};
-
-use crate::common::{assert_recursive_countdown_linear_semantics, cached_compile_to_dag};
-
-/// Shared `(source, file)` for the two recursive-countdown `budgeted_test!` bodies so
-/// `cached_compile_to_dag` amortizes **duplicate** compile work when both tests run in one
-/// process. This is **not** a `TESTING.md` Phase-0 exemption dissolution receipt: the first
-/// caller still pays cold bootstrap, and libtest parallelism can inflate wall time — those
-/// tests stay listed in `dsl/gunbc/test_node_wall_clock_ratchet.dag` until a sole-filter
-/// `--report-time` ≤2000ms receipt exists (or gate #102 lands a structural cost ratchet).
-const LANE2D_COUNTDOWN_SOURCE: &str =
-    "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)";
-const LANE2D_COUNTDOWN_FILE: &str = "lane2d_shared_countdown.v3";
-
-/// One compile for literal + scalar-op binds — avoids a second cold key when both tests run.
-/// Same caveat as the countdown shared-key pair: compile-cache sharing only; not a per-test wall
-/// ratchet receipt by itself.
-const LANE2D_LITERAL_AND_SCALAR_OP_SOURCE: &str = "let x = 1\nlet y = 1 + 2";
-const LANE2D_LITERAL_AND_SCALAR_OP_FILE: &str = "lane2d_literal_and_scalar_op.v3";
-
-fn find_bind_value(dag: &Dag, name: &str) -> PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|b| b.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-fn expect_cost(dag: &Dag, port: PortId) -> SymbolicCost {
-    match symbolic_cost_lookup(dag, &port) {
-        SymbolicCostLookup::Hit(cost) => cost,
-        SymbolicCostLookup::Miss => {
-            panic!("symbolic_cost_lookup returned Miss for {port:?}")
-        }
-    }
-}
-
-fn bind_cost(source: &str, file: &str, name: &str) -> SymbolicCost {
-    let dag = cached_compile_to_dag(source, file);
-    expect_cost(&dag, find_bind_value(&dag, name))
-}
-
-fn is_constant(cost: &SymbolicCost) -> bool {
-    matches!(cost, SymbolicCost::ConstantCost { .. })
-}
-
-fn mentions_linear(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::LinearCost { .. } => true,
-        SymbolicCost::SumCost { _0: terms } | SymbolicCost::ProductCost { _0: terms } => {
-            terms.iter().any(|term| mentions_linear(term.as_ref()))
-        }
-        _ => false,
-    }
-}
-
-fn mentions_log(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::LogCost { .. } => true,
-        SymbolicCost::SumCost { _0: terms } | SymbolicCost::ProductCost { _0: terms } => {
-            terms.iter().any(|term| mentions_log(term.as_ref()))
-        }
-        _ => false,
-    }
-}
-
-// Two real PortIds from the bootstrap Dag — just need distinct
-// handles for the structural-equality checks the composition tests
-// exercise. `Dag::new()` ports are stable across runs.
-fn two_distinct_ports() -> (PortId, PortId) {
-    let dag = Dag::new();
-    let ports: Vec<PortId> = dag.ports().iter().map(|p| p.id()).collect();
-    assert!(
-        ports.len() >= 2,
-        "bootstrap Dag should allocate at least two ports"
-    );
-    (ports[0], ports[1])
-}
-
-fn size_var(source_port: PortId) -> SizeVariable {
-    SizeVariable {
-        source_port,
-        display_name: None,
-    }
-}
-
-fn linear(port: PortId) -> SymbolicCost {
-    SymbolicCost::LinearCost { _0: size_var(port) }
-}
-
-fn polynomial(port: PortId, degree: i64) -> SymbolicCost {
-    SymbolicCost::PolynomialCost {
-        var: size_var(port),
-        degree: DegreeAtLeastTwo::new(degree).expect("polynomial degree must be >= 2"),
-    }
-}
-
-fn log_cost(port: PortId) -> SymbolicCost {
-    SymbolicCost::LogCost { _0: size_var(port) }
-}
-
-fn constant(n: i64) -> SymbolicCost {
-    SymbolicCost::ConstantCost { _0: n }
-}
-
-fn product_nsl(a: SymbolicCost, b: SymbolicCost, c: SymbolicCost) -> SymbolicCost {
-    SymbolicCost::ProductCost {
-        _0: NonSingletonList::from_vec(vec![Box::new(a), Box::new(b), Box::new(c)])
-            .expect("product NSL requires at least two terms"),
-    }
-}
-
-fn sum_nsl(a: SymbolicCost, b: SymbolicCost, c: SymbolicCost) -> SymbolicCost {
-    SymbolicCost::SumCost {
-        _0: NonSingletonList::from_vec(vec![Box::new(a), Box::new(b), Box::new(c)])
-            .expect("sum NSL requires at least two terms"),
-    }
-}
-
-/// `dominates` on `ProductCost` / `SumCost` matches the `.dag` composite branch
-/// (`nsl_to_list` + `fold_or_dominate_scan` over `NonSingletonList`). The Rust
-/// helper is still named `any_dominates` in `dag_cost_generated.rs`. Regression:
-/// template / regen must not skip `second` or `rest` when checking child dominance.
-#[test]
-fn composite_dominance_considers_all_nsl_children() {
-    let (p0, _) = two_distinct_ports();
-    let rhs = linear(p0);
-
-    let only_first = product_nsl(linear(p0), constant(1), constant(1));
-    assert!(
-        dominates(&only_first, &rhs),
-        "ProductCost `first` must count toward dominance"
-    );
-
-    let only_second = product_nsl(constant(1), linear(p0), constant(1));
-    assert!(
-        dominates(&only_second, &rhs),
-        "ProductCost `second` must count toward dominance"
-    );
-
-    let only_rest = product_nsl(constant(1), constant(1), linear(p0));
-    assert!(
-        dominates(&only_rest, &rhs),
-        "ProductCost `rest` must count toward dominance"
-    );
-
-    assert!(
-        dominates(&sum_nsl(linear(p0), constant(1), constant(1)), &rhs),
-        "SumCost `first` must count toward dominance"
-    );
-    assert!(
-        dominates(&sum_nsl(constant(1), linear(p0), constant(1)), &rhs),
-        "SumCost `second` must count toward dominance"
-    );
-    assert!(
-        dominates(&sum_nsl(constant(1), constant(1), linear(p0)), &rhs),
-        "SumCost `rest` must count toward dominance"
-    );
-}
-
-fn boxed_terms_to_vec(terms: &NonSingletonList<Box<SymbolicCost>>) -> Vec<SymbolicCost> {
-    terms.iter().map(|term| term.as_ref().clone()).collect()
-}
-
-#[test]
-fn degree_at_least_two_is_structural_in_bootstrap_substrate() {
-    let dag = Dag::new();
-    let decl = dag
-        .declaration_by_name("DegreeAtLeastTwo")
-        .expect("DegreeAtLeastTwo should bootstrap from std/algebra.dag");
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!(
-            "DegreeAtLeastTwo should be a recursive sum, got {:?}",
-            decl.connective
-        );
-    };
-    assert_eq!(
-        variants.len(),
-        2,
-        "degree carrier should expose 2 structural variants"
-    );
-    assert_eq!(variants[0].label, "DegreeTwo");
-    assert_eq!(variants[1].label, "DegreeSuccessor");
-
-    let succ = dag.declaration(variants[1].ty);
-    let TypeConnective::Conj { children } = &succ.connective else {
-        panic!(
-            "DegreeSuccessor payload should be a record, got {:?}",
-            succ.connective
-        );
-    };
-    assert_eq!(children.len(), 1);
-    assert_eq!(children[0].label, "previous");
-    assert_eq!(
-        dag.declaration(children[0].ty).name.as_deref(),
-        Some("DegreeAtLeastTwo"),
-        "successor must recurse structurally to DegreeAtLeastTwo"
-    );
-}
-
-#[test]
-fn symbolic_cost_semiring_inhabitance_is_bootstrap_substrate_fact() {
-    let dag = Dag::new();
-    let semiring = dag
-        .declaration_by_name("Semiring")
-        .expect("Semiring should bootstrap from std/algebra.dag")
-        .id;
-    let symbolic_cost = dag
-        .declaration_by_name("SymbolicCost")
-        .expect("SymbolicCost should bootstrap from v3 std algebra")
-        .clone();
-    let inhabitance = symbolic_cost
-        .inhabits
-        .expect("SymbolicCost should carry an inhabits edge");
-    match &dag.declaration(inhabitance).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(*template, semiring);
-            assert_eq!(
-                arguments.iter().map(|arg| arg.value).collect::<Vec<_>>(),
-                vec![symbolic_cost.id],
-                "SymbolicCost must inhabit Semiring<SymbolicCost>"
-            );
-        }
-        other => panic!("expected Semiring<SymbolicCost> instantiation, got {other:?}"),
-    }
-}
-
-#[test]
-fn symbolic_cost_product_identity_stage_is_bootstrap_substrate_fact() {
-    let dag = Dag::new();
-    let reduce_product = dag
-        .declaration_by_name("reduce_product")
-        .expect("reduce_product should bootstrap from std/algebra.dag")
-        .id;
-    let drop_multiplicative_one = dag
-        .declaration_by_name("drop_multiplicative_one")
-        .expect("drop_multiplicative_one should bootstrap from std/algebra.dag")
-        .id;
-    let collapse_on_multiplicative_zero = dag
-        .declaration_by_name("collapse_on_multiplicative_zero")
-        .expect("collapse_on_multiplicative_zero should bootstrap from std/algebra.dag")
-        .id;
-
-    let found_product_identity_chain = dag.nodes().iter().any(|node| {
-        let Behavior::Transform(reduce) = node else {
-            return false;
-        };
-        if reduce.target != TransformTarget::Callable(reduce_product) {
-            return false;
-        }
-        let Some(drop_one) = reduce
-            .inputs
-            .iter()
-            .filter_map(|input| dag.resolve_producer_opt(input))
-            .find_map(Behavior::as_transform)
-        else {
-            return false;
-        };
-        if drop_one.target != TransformTarget::Callable(drop_multiplicative_one) {
-            return false;
-        }
-        drop_one
-            .inputs
-            .iter()
-            .filter_map(|input| dag.resolve_producer_opt(input))
-            .filter_map(Behavior::as_transform)
-            .any(|collapse_zero| {
-                collapse_zero.target == TransformTarget::Callable(collapse_on_multiplicative_zero)
-            })
-    });
-
-    assert!(
-        found_product_identity_chain,
-        "bootstrap normalize(ProductCost) path must preserve collapse-zero -> drop-one -> \
-         reduce-product so Semiring<SymbolicCost> has substrate-visible multiplicative identity"
-    );
-}
-
-// ── Per-Behavior lowering ────────────────────────────────────────
-//
-// Inner wall-clock budgets below use `24_000` ms: Stage 2d filters + cold neighbors
-// have measured ~14–19s wall on CI (busy runners); keep headroom above observed spikes.
-
-budgeted_test! {
-    24_000,
-    value_reports_constant,
-    {
-        // `let x = 1` → ConstantCost(0) (leaf literal, no work).
-        let dag = cached_compile_to_dag(
-            LANE2D_LITERAL_AND_SCALAR_OP_SOURCE,
-            LANE2D_LITERAL_AND_SCALAR_OP_FILE,
-        );
-        let cost = expect_cost(&dag, find_bind_value(&dag, "x"));
-        assert!(
-            is_constant(&cost),
-            "literal value should report Constant, got {cost:?}"
-        );
-    }
-}
-
-budgeted_test! {
-    24_000,
-    transform_single_op_reports_constant,
-    {
-        // `let y = 1 + 2` → sequential(Constant(1), sum(Constant(0), Constant(0)))
-        // → Constant wrapper. Asymptotically O(1).
-        let dag = cached_compile_to_dag(
-            LANE2D_LITERAL_AND_SCALAR_OP_SOURCE,
-            LANE2D_LITERAL_AND_SCALAR_OP_FILE,
-        );
-        let cost = expect_cost(&dag, find_bind_value(&dag, "y"));
-        assert!(
-            is_constant(&cost),
-            "single scalar op should report Constant, got {cost:?}"
-        );
-    }
-}
-
-#[test]
-fn branch_reports_constant_when_both_arms_constant() {
-    // `if 1 > 0 then 10 else 20` — both arms are leaf literals, so
-    // max_path over two Constants stays Constant.
-    //
-    // Ratchet exception (unchanged after #546): #546's cache consolidation
-    // keys on `(source, file)`, and this fixture's pair is unique across the
-    // suite — the shared cache never warms it. On the CI narrow Stage 2d gate
-    // this test runs first in alphabetical order and pays a cold
-    // bootstrap + pipeline compile (measured 2.515s; past the 2s
-    // `budgeted_test!` cap). Restoring under `budgeted_test!` was attempted
-    // and rolled back when CI confirmed the cold cost. Honest dissolution
-    // trigger: cache bootstrap Dag state as input to `compile_to_dag` (so
-    // cold-pipeline cost drops, not just the per-source cold-compile cost),
-    // OR change this fixture to share a `(source, file)` key with an existing
-    // cached test in this module. #546's caching pattern alone does NOT
-    // address this test's cold path.
-    //
-    // **Stack-budget bump (PR #2164 / S5 carrier landing):** the cold
-    // bootstrap compile here traverses every substrate carrier declaration
-    // including the new `v3.std.coproduct_projection` carrier; the typed
-    // `DeclarationRef` + `Map<VariantId, CoproductVariantProjection>` shape
-    // pushed the static-initializer + bootstrap-walk past the default
-    // 2MB test-thread stack on Linux debug builds. Wrapped in an 8MB
-    // thread per the `with_full_bootstrap_stack` precedent at
-    // `m2_substrate_inhabitance_test.rs:23-35` (same fix applied to a
-    // sibling substrate-bootstrap-heavy test). The cold-bootstrap cache
-    // dissolution trigger above remains the load-bearing fix — bumping
-    // stack is the cliff-edge workaround until that lands.
-    std::thread::Builder::new()
-        .stack_size(8 * 1024 * 1024)
-        .spawn(|| {
-            let cost = bind_cost("let r = if 1 > 0 then 10 else 20", "test.v3", "r");
-            assert!(
-                is_constant(&cost),
-                "branch over constant arms should report Constant, got {cost:?}"
-            );
-        })
-        .expect("spawn bootstrap-stack-bumped thread")
-        .join()
-        .expect("bootstrap-stack-bumped thread panicked");
-}
-
-budgeted_test! {
-    24_000,
-    recursive_fn_body_contributes_to_loop_cost,
-    {
-        // PR #537 reviewer call-out (briansrls, BLOCKING): the prior
-        // `loop_cost(acc, l.source)` shape fed the loop its source
-        // port as the body cost — the SAME port as the bound — so
-        // body work contributed `ConstantCost(0)` (the pre-seeded
-        // param-port cost) and `normalize` dropped it from the
-        // iteration. A recursive fn `fn f(n) = if ... else f(n - 1)`
-        // then flattened to a bare `LinearCost` instead of a
-        // `ProductCost([LinearCost, body-cost])`.
-        //
-        // Post-fix: `l.body: NodeId` is resolved through
-        // `node(d, body_id)` → result_port, and THAT port's cost
-        // enters the iterate composition. With **per-call** recurrence wiring
-        // (`per_call_pattern_at` / gate `e_p_sub_value_relation_per_call_landed`),
-        // iterate normalization may keep **`ProductCost(Linear, Linear)`** when bound vs spine carry
-        // distinct ports — still linear-family; regression asserts DB-7 semantics via
-        // `crate::common::assert_recursive_countdown_linear_semantics`.
-        let dag = cached_compile_to_dag(LANE2D_COUNTDOWN_SOURCE, LANE2D_COUNTDOWN_FILE);
-        let cost = expect_cost(&dag, find_bind_value(&dag, "countdown"));
-        assert_recursive_countdown_linear_semantics(&cost);
-    }
-}
-
-#[test]
-fn iterate_keeps_non_identity_body_cost_in_product() {
-    let (bound_port, body_port) = two_distinct_ports();
-    let cost = iterate(linear(bound_port), log_cost(body_port));
-    let SymbolicCost::ProductCost { _0: terms } = &cost else {
-        panic!("Linear-bound loop with non-identity body should stay ProductCost, got {cost:?}");
-    };
-    assert_eq!(
-        terms.iter().count(),
-        2,
-        "iterate should compose bound and body costs exactly once"
-    );
-    assert!(
-        mentions_linear(&cost) && mentions_log(&cost),
-        "iterate must retain both the loop-bound and body-cost terms, got {cost:?}"
-    );
-}
-
-budgeted_test! {
-    24_000,
-    recursive_fn_reports_linear_via_loop_lowering,
-    {
-        // `fn countdown(n) = if n == 0 then 0 else countdown(n - 1)`
-        // lowers to a Loop whose source is the `n` param port. The
-        // lens's `loop_cost` fires LinearCost(size_var_of(source)),
-        // so the bound carries a LinearCost term.
-        let dag = cached_compile_to_dag(LANE2D_COUNTDOWN_SOURCE, LANE2D_COUNTDOWN_FILE);
-        let cost = expect_cost(&dag, find_bind_value(&dag, "countdown"));
-        assert!(
-            mentions_linear(&cost),
-            "recursive fn should surface a LinearCost term, got {cost:?}"
-        );
-    }
-}
-
-/// Operator `Div` must compose **operand** symbolic costs (`transform_cost`) with the
-/// divide surcharge `LogCost(dividend)` — not log alone (PR #2299 / openai-pro).
-#[test]
-fn symbolic_cost_operator_div_preserves_operand_costs_beside_log_surcharge() {
-    std::thread::Builder::new()
-        .stack_size(64 * 1024 * 1024)
-        .spawn(|| {
-            let (p_div, p_two) = two_distinct_ports();
-            let linear = SymbolicCost::LinearCost {
-                _0: SizeVariable {
-                    source_port: p_div,
-                    display_name: None,
-                },
-            };
-            let acc_expensive = vec![
-                SymbolicCostEntry {
-                    port: p_div,
-                    cost: Lookup::Hit(linear),
-                },
-                SymbolicCostEntry {
-                    port: p_two,
-                    cost: Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-                },
-            ];
-            let out_expensive = transform_cost_for_target(
-                &acc_expensive,
-                &TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Div)),
-                &[p_div, p_two],
-            );
-            let Lookup::Hit(cost_expensive) = out_expensive else {
-                panic!("expected Hit (expensive operands), got {out_expensive:?}");
-            };
-            // Pre-#2299 under-approx: O(1)+Log(dividend) with **no** operand rows — unsound when
-            // operands are expensive. Normalized `SumCost` may drop Log when Linear dominates Log;
-            // that is expected; the operand cost must still dominate the old ceiling.
-            let underapprox = sequential(
-                SymbolicCost::ConstantCost { _0: 1 },
-                SymbolicCost::LogCost {
-                    _0: SizeVariable {
-                        source_port: p_div,
-                        display_name: None,
-                    },
-                },
-            );
-            assert!(
-                dominates(&cost_expensive, &underapprox),
-                "Div with expensive dividend must dominate Constant(1)+Log(dividend) under-approx; got {cost_expensive:?}"
-            );
-            assert!(
-                mentions_linear(&cost_expensive),
-                "expensive dividend port should keep a Linear term until dominance normalization; got {cost_expensive:?}"
-            );
-
-            let acc_cheap = vec![
-                SymbolicCostEntry {
-                    port: p_div,
-                    cost: Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-                },
-                SymbolicCostEntry {
-                    port: p_two,
-                    cost: Lookup::Hit(SymbolicCost::ConstantCost { _0: 0 }),
-                },
-            ];
-            let out_cheap = transform_cost_for_target(
-                &acc_cheap,
-                &TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Div)),
-                &[p_div, p_two],
-            );
-            let Lookup::Hit(cost_cheap) = out_cheap else {
-                panic!("expected Hit (cheap operands), got {out_cheap:?}");
-            };
-            assert!(
-                mentions_log(&cost_cheap),
-                "CRDT-style divide on param-ish ports must retain Log(dividend) in the lens carrier; got {cost_cheap:?}"
-            );
-
-            let out_empty = transform_cost_for_target(
-                &[],
-                &TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Div)),
-                &[],
-            );
-            assert!(
-                matches!(out_empty, Lookup::Miss),
-                "Div with zero operands must Miss (fail closed), got {out_empty:?}"
-            );
-        })
-        .expect("spawn stack-bumped thread for symbolic-cost lens recursion")
-        .join()
-        .expect("thread panicked");
-}
-
-// ── Composition algebra (std.algebra Rust mirror) ────────────────
-
-budgeted_test! {
-    sum_of_linear_and_constant_zero_normalizes_to_linear,
-    {
-        // DB-7 acceptance gate: `SumCost([LinearCost, ConstantCost(0)])`
-        // normalizes to `LinearCost` (zero drops out).
-        let (port, _) = two_distinct_ports();
-        let l = linear(port);
-        let result = sequential(l.clone(), constant(0));
-        assert_eq!(
-            result, l,
-            "Linear + Constant(0) should normalize to Linear, got {result:?}"
-        );
-    }
-}
-
-budgeted_test! {
-    sum_of_constant_and_linear_normalizes_to_linear,
-    {
-        // Dominance is order-independent: Constant + Linear also
-        // normalizes to Linear (Constant is dominated).
-        let (port, _) = two_distinct_ports();
-        let l = linear(port);
-        let result = sequential(constant(5), l);
-        assert!(
-            matches!(result, SymbolicCost::LinearCost { .. }),
-            "Constant + Linear should normalize to Linear, got {result:?}"
-        );
-    }
-}
-
-budgeted_test! {
-    product_of_two_linears_over_same_var_folds_to_polynomial_squared,
-    {
-        // DB-7 §"Nested fold detection (O(n²) diagnostic)":
-        // `iterate(Linear(n), Linear(n))` folds to `Polynomial(n, 2)`.
-        let (port, _) = two_distinct_ports();
-        let l = linear(port);
-        let result = iterate(l.clone(), l);
-        match result {
-            SymbolicCost::PolynomialCost { var, degree } => {
-                assert_eq!(var, size_var(port));
-                assert_eq!(degree.raw(), 2);
-            }
-            other => panic!("expected PolynomialCost(n, 2), got {other:?}"),
-        }
-    }
-}
-
-budgeted_test! {
-    product_of_linears_over_different_vars_stays_product,
-    {
-        // Two folds over DISTINCT lists stay as ProductCost — the
-        // two size variables aren't the same, so the polynomial
-        // collapse doesn't fire.
-        let (port_a, port_b) = two_distinct_ports();
-        let result = iterate(linear(port_a), linear(port_b));
-        assert!(
-            matches!(result, SymbolicCost::ProductCost { .. }),
-            "Linear(a) * Linear(b) over different ports should stay Product, got {result:?}"
-        );
-    }
-}
-
-budgeted_test! {
-    product_with_constant_zero_collapses_to_zero,
-    {
-        let (port, _) = two_distinct_ports();
-        let result = iterate(linear(port), constant(0));
-        assert_eq!(
-            result,
-            constant(0),
-            "Semiring<SymbolicCost> multiplication must treat ConstantCost(0) as an annihilator"
-        );
-    }
-}
-
-budgeted_test! {
-    product_with_constant_one_normalizes_to_other_factor,
-    {
-        let (port, _) = two_distinct_ports();
-        let l = linear(port);
-        assert_eq!(
-            iterate(l.clone(), constant(1)),
-            l,
-            "Semiring<SymbolicCost> multiplication must treat trailing ConstantCost(1) as identity"
-        );
-        assert_eq!(
-            iterate(constant(1), l.clone()),
-            l,
-            "Semiring<SymbolicCost> multiplication must treat leading ConstantCost(1) as identity"
-        );
-        assert_eq!(
-            iterate(constant(1), constant(1)),
-            constant(1),
-            "product of multiplicative identities should remain ConstantCost(1)"
-        );
-    }
-}
-
-budgeted_test! {
-    dominance_unknown_dominates_everything,
-    {
-        // DB-7 §"Dominance" — Unknown is the safest over-approximation.
-        let (port, _) = two_distinct_ports();
-        let unknown = SymbolicCost::UnknownCost {
-            _0: "reflection".to_string(),
-        };
-        assert!(dominates(&unknown, &linear(port)));
-        assert!(dominates(&unknown, &constant(0)));
-    }
-}
-
-budgeted_test! {
-    dominance_linear_dominates_log_and_constant,
-    {
-        let (port, _) = two_distinct_ports();
-        assert!(dominates(&linear(port), &log_cost(port)));
-        assert!(dominates(&linear(port), &constant(3)));
-        assert!(!dominates(&constant(3), &linear(port)));
-    }
-}
-
-budgeted_test! {
-    dominance_polynomial_degree_ordering,
-    {
-        let (port, _) = two_distinct_ports();
-        assert!(dominates(&polynomial(port, 3), &polynomial(port, 2)));
-        assert!(!dominates(&polynomial(port, 2), &polynomial(port, 3)));
-    }
-}
-
-budgeted_test! {
-    composite_dominance_reads_children_not_outer_variant,
-    {
-        // PR #537 review (codex P2): Product / Sum dominance must
-        // derive from children, not hardcode "any Product dominates
-        // Linear". A product whose strongest child is `Log(n)`
-        // should NOT dominate `Linear(n)`.
-        let (port, _) = two_distinct_ports();
-        let product_of_logs = SymbolicCost::ProductCost {
-            _0: NonSingletonList::from_vec(vec![Box::new(log_cost(port)), Box::new(log_cost(port))])
-                .unwrap(),
-        };
-        let linear_cost = linear(port);
-        assert!(
-            !dominates(&product_of_logs, &linear_cost),
-            "Product([Log, Log]) must NOT dominate Linear — children don't reach Linear, \
-             got dominates=true (regression of codex P2 on PR #537)"
-        );
-
-        // Symmetric positive case: a product WITH a Linear child DOES
-        // dominate Log, because the dominant-child summary walks the
-        // children.
-        let product_with_linear = SymbolicCost::ProductCost {
-            _0: NonSingletonList::from_vec(vec![Box::new(log_cost(port)), Box::new(linear(port))])
-                .unwrap(),
-        };
-        assert!(
-            dominates(&product_with_linear, &log_cost(port)),
-            "Product([Log, Linear]) must dominate Log via its Linear child"
-        );
-    }
-}
-
-budgeted_test! {
-    sum_dominance_reads_children_not_outer_variant,
-    {
-        // Same fix as ProductCost: Sum's dominance is a dominant-child
-        // summary, not a hardcoded "any Sum dominates scalars".
-        let (port, _) = two_distinct_ports();
-        let sum_of_logs = SymbolicCost::SumCost {
-            _0: NonSingletonList::from_vec(vec![Box::new(log_cost(port)), Box::new(log_cost(port))])
-                .unwrap(),
-        };
-        assert!(
-            !dominates(&sum_of_logs, &linear(port)),
-            "Sum([Log, Log]) must NOT dominate Linear — no child reaches Linear"
-        );
-
-        let sum_with_polynomial = SymbolicCost::SumCost {
-            _0: NonSingletonList::from_vec(vec![
-                Box::new(constant(0)),
-                Box::new(polynomial(port, 2)),
-            ])
-            .unwrap(),
-        };
-        assert!(
-            dominates(&sum_with_polynomial, &linear(port)),
-            "Sum containing Polynomial(n, 2) must dominate Linear(n) via the poly child"
-        );
-    }
-}
-
-budgeted_test! {
-    max_path_returns_dominant_term,
-    {
-        // `max_path([Constant(0), Linear(n), Polynomial(n, 2)])` → Polynomial(n, 2).
-        let (port, _) = two_distinct_ports();
-        let paths = vec![constant(0), linear(port), polynomial(port, 2)];
-        let result = max_path(&paths);
-        match result {
-            SymbolicCost::PolynomialCost { degree, .. } => assert_eq!(degree.raw(), 2),
-            other => panic!("expected PolynomialCost, got {other:?}"),
-        }
-    }
-}
-
-budgeted_test! {
-    max_path_preserves_both_incomparable_branches,
-    {
-        // PR #537 review (briansrls, BLOCKING): two incomparable
-        // branches — `Linear(n)` over port_a vs `Linear(m)` over
-        // port_b — must NOT drop one silently. `Big-O(f + g) =
-        // Big-O(max(f, g))` for non-negative asymptotic terms, so the
-        // preserved-as-sum shape is the honest worst case.
-        let (port_a, port_b) = two_distinct_ports();
-        let paths = vec![linear(port_a), linear(port_b)];
-        let result = max_path(&paths);
-        match &result {
-            SymbolicCost::SumCost { _0: terms } => {
-                assert_eq!(
-                    terms.len(),
-                    2,
-                    "incomparable Linear(n) + Linear(m) must preserve both as a two-element Sum, \
-                     got {result:?}"
-                );
-                assert!(
-                    terms.iter().any(|term| term.as_ref() == &linear(port_a))
-                        && terms.iter().any(|term| term.as_ref() == &linear(port_b)),
-                    "both branch costs must remain in the Sum, got {result:?}"
-                );
-            }
-            other => panic!("expected SumCost preserving both branches, got {other:?}"),
-        }
-    }
-}
-
-budgeted_test! {
-    max_path_order_independence_on_incomparable_branches,
-    {
-        // Reversing the input order must yield the same asymptotic
-        // shape — the previous two-way dominance fold depended on
-        // fold order and dropped whichever branch landed later when
-        // both were incomparable.
-        let (port_a, port_b) = two_distinct_ports();
-        let forward = max_path(&[linear(port_a), linear(port_b)]);
-        let reversed = max_path(&[linear(port_b), linear(port_a)]);
-        let (forward_terms, reversed_terms) = match (&forward, &reversed) {
-            (SymbolicCost::SumCost { _0: fwd }, SymbolicCost::SumCost { _0: rev }) => {
-                (boxed_terms_to_vec(fwd), boxed_terms_to_vec(rev))
-            }
-            _ => panic!(
-                "both orderings should produce a SumCost, got forward={forward:?} reversed={reversed:?}"
-            ),
-        };
-        assert_eq!(
-            forward_terms.len(),
-            reversed_terms.len(),
-            "element count must not depend on fold order"
-        );
-        assert!(
-            forward_terms.iter().all(|t| reversed_terms.contains(t))
-                && reversed_terms.iter().all(|t| forward_terms.contains(t)),
-            "the preserved set of terms must be the same regardless of input order; \
-             got forward={forward_terms:?} reversed={reversed_terms:?}"
-        );
-    }
-}
-
-budgeted_test! {
-    normalize_keeps_singleton_costs_unchanged,
-    {
-        // `normalize` is structural — non-Sum/Product variants pass
-        // through unmodified.
-        let (port, _) = two_distinct_ports();
-        for cost in [
-            constant(7),
-            linear(port),
-            log_cost(port),
-            SymbolicCost::UnknownCost {
-                _0: "opaque".to_string(),
-            },
-        ] {
-            let normalized = normalize(cost.clone());
-            assert_eq!(normalized, cost, "normalize should pass through leaf costs");
-        }
-    }
-}
-
-// ── Generated-module staleness guard ─────────────────────────────
-
-const GENERATED_LENS_HEADER: &str = "// AUTO-GENERATED from `src/v3/lenses/cost.dag` via\n\
-     // `emit_rust_module`. Regenerate instead of hand-editing.\n\n";
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("cost.dag")
-}
-
-fn emit_lens_module() -> String {
-    let source = std::fs::read_to_string(lens_path()).expect("read cost.dag");
-    let dag = cached_compile_to_dag(&source, lens_path().to_string_lossy().as_ref());
-    assert!(
-        dag.diagnostics().is_empty(),
-        "cost.dag should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit compiled lens module");
-    format_rust_source(&format!("{GENERATED_LENS_HEADER}{raw}"))
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed on emitted lens module"
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-/// PM dispatch stern-ram-58 / PR #2367: `classify_symbolic_cost` must preserve
-/// `PolynomialCost` degree into `ClassQuadratic` (k=2) vs `ClassPolynomial` (k≥3),
-/// aligned with `complexity_enforcement_budget_dominates` for T-LAS budgets.
-#[test]
-fn classify_symbolic_cost_polynomial_degree_orders_like_enforcement_lattice() {
-    let dag = compile_to_dag("fn f(n: Int) -> Int = n", "poly_class_gate.v3").expect("fixture");
-
-    let param = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|b| b.name == "f")
-        .expect("bind f")
-        .params
-        .first()
-        .copied()
-        .expect("param port");
-
-    let v = SizeVariable {
-        source_port: param,
-        display_name: None,
-    };
-
-    let p2 = SymbolicCost::PolynomialCost {
-        var: v.clone(),
-        degree: DegreeAtLeastTwo::TWO,
-    };
-    let p3 = SymbolicCost::PolynomialCost {
-        var: v.clone(),
-        degree: DegreeAtLeastTwo::new(3).expect("degree 3"),
-    };
-    let p5 = SymbolicCost::PolynomialCost {
-        var: v,
-        degree: DegreeAtLeastTwo::new(5).expect("degree 5"),
-    };
-
-    let c2 = classify_symbolic_cost(&p2);
-    let c3 = classify_symbolic_cost(&p3);
-    let c5 = classify_symbolic_cost(&p5);
-
-    assert!(matches!(c2, AsymptoticClass::ClassQuadratic));
-    match &c3 {
-        AsymptoticClass::ClassPolynomial { degree } => {
-            assert_eq!(positive_descent_count(degree), 3);
-        }
-        other => panic!("expected ClassPolynomial for n^3, got {other:?}"),
-    }
-    match &c5 {
-        AsymptoticClass::ClassPolynomial { degree } => {
-            assert_eq!(positive_descent_count(degree), 5);
-        }
-        other => panic!("expected ClassPolynomial for n^5, got {other:?}"),
-    }
-
-    assert!(complexity_enforcement_budget_dominates(&c5, &c3));
-    assert!(!complexity_enforcement_budget_dominates(&c3, &c5));
-    assert!(complexity_enforcement_budget_dominates(&c3, &c2));
-    assert!(!complexity_enforcement_budget_dominates(&c2, &c3));
-}
-
-// Cold-init path for the `cost.dag` OnceLock cache key. Sibling
-// `cost_generated_module_matches_checked_in_snapshot` also compiles
-// cost.dag and reuses the cached Dag, so this test legitimately
-// bears the first `compile_to_dag(cost.dag)` cost on CI (~2.5s on typical cold
-// runners; busy shared runners or heavier bootstrap — `parse_surface.dag`
-// in the bundle and substrate growth — can exceed ~7s wall on integration
-// binaries). `15_000`ms keeps headroom under this ratchet without matching the
-// sibling's 45s snapshot-compare budget below.
-budgeted_test! {
-    15_000,
-    cost_dag_compiles_cleanly,
-    {
-        let source = std::fs::read_to_string(lens_path()).expect("read cost.dag");
-        let dag = cached_compile_to_dag(&source, lens_path().to_string_lossy().as_ref());
-        assert!(
-            dag.diagnostics().is_empty(),
-            "cost.dag should compile without diagnostics, got {:?}",
-            dag.diagnostics()
-        );
-    }
-}
-
-// rustfmt + snapshot compare can spike on cold CI runners. Bootstrap includes
-// `parse_surface.dag` (regen_parse authority lives in the same bundle), so
-// `Dag::new()` clones and the first `compile_to_dag(cost.dag)` pay more than
-// the old 15s cap; a cold integration-binary run can also spend tens of seconds
-// in link + first `LazyLock` bootstrap before this test's body starts.
-budgeted_test! {
-    45_000,
-    cost_generated_module_matches_checked_in_snapshot,
-    {
-        let fresh = emit_lens_module();
-        let checked_in = include_str!("../../src/cost_symbolic_lens_generated.rs");
-        assert_eq!(
-            fresh.trim(),
-            checked_in.trim(),
-            "checked-in `cost_symbolic_lens_generated.rs` is stale; run `cargo run -p v3-compiler --bin regen_lens -- --lens cost_symbolic`"
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/lane2_stage_2e_parallelism_test.rs b/src/v3/compiler/tests/integration/lane2_stage_2e_parallelism_test.rs
deleted file mode 100644
index 7b650b6b4a8..00000000000
--- a/src/v3/compiler/tests/integration/lane2_stage_2e_parallelism_test.rs
+++ /dev/null
@@ -1,373 +0,0 @@
-//! Lane 2 Stage 2e / DB-20 — `ParallelEffect` parallel composition safety.
-//!
-//! Derivation coverage (merge gate: pairwise commutativity from `Operation` shapes):
-//! - **Commute (green):** `parallel_read_only_branches_commute` — cross-branch `ReadEffect` only.
-//! - **Upsert×Upsert (v1):** always **red** — `UpsertEffect` has no merge/value witness; see
-//!   `parallel_upsert_cross_branch_fail_closed_same_operation` and
-//!   `parallel_upsert_cross_branch_fail_closed_reconstructed_operation`.
-//! - **Non-commute / fail-closed (red):** `parallel_different_path_param_names_not_proven_commute` —
-//!   distinct `PathParam` names (not a disjointness proof); `parallel_read_vs_upsert_does_not_commute` —
-//!   read vs write shape clash.
-//! - **Breaking op:** `parallel_append_in_branch_is_broken_by` — `BrokenBy` before pairwise check.
-//!
-//! **CI / Layer 1:** integration tests must not call `compile_to_dag` per `#[test]` for the same
-//! fixture — cold runners multiply that into minutes (see #543 / v3 full-suite wall-clock ratchet).
-//! One `OnceLock` compile + `Dag::clone` per test keeps `try_register_lane2_workflow_effect` isolated.
-
-use std::collections::BTreeMap;
-use std::sync::OnceLock;
-
-use v3_compiler::analyze_parallelism;
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    operation_effect_shape, Behavior, BreakingShape, CallableRef, CompositionVerdict, CreateCause,
-    EffectShape, HttpMethodScalar, IdempotentShape, InputField, KeySource, NonSingletonList,
-    Operation, ParallelismUnsupportedKind, PathTemplate, RestEndpointBinding, UrlPathToken,
-    WorkflowEffect, WorkflowParallelismReport,
-};
-use v3_compiler::Dag;
-use v3_compiler::NodeId;
-
-/// Shared bootstrap: single `compile_to_dag("let _ = 1", …)` for every test that mutates the DAG.
-/// Each test uses [`Dag::clone`] so `try_register_lane2_workflow_effect` does not cross-test pollute.
-static SHARED_FIXTURE_DAG: OnceLock<Dag> = OnceLock::new();
-
-fn shared_fixture_dag() -> Dag {
-    SHARED_FIXTURE_DAG
-        .get_or_init(|| {
-            compile_to_dag("let _ = 1", "lane2_stage_2e_fixture.v3")
-                .expect("compile trivial fixture")
-        })
-        .clone()
-}
-
-fn lane2_anchor(dag: &Dag) -> NodeId {
-    dag.nodes()
-        .iter()
-        .find(|b| matches!(b, Behavior::Value(_) | Behavior::Bind(_)))
-        .expect("compile fixture should include a Value or Bind for lane2 staging")
-        .id()
-}
-
-fn op(dag: &Dag, shape: EffectShape) -> Operation {
-    let callable_name = match &shape {
-        EffectShape::IsIdempotent(IdempotentShape::ReadEffect) => "get_method",
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect { .. }) => "map_insert_method",
-        EffectShape::IsIdempotent(IdempotentShape::DeleteEffect { .. }) => "diff_method",
-        EffectShape::IsBreaking(BreakingShape::CreateEffect { .. }) => "concat_method",
-        EffectShape::IsBreaking(BreakingShape::AppendEffect) => "append_method",
-    };
-    let callable = dag
-        .declaration_by_name(callable_name)
-        .unwrap_or_else(|| panic!("missing callable declaration `{callable_name}`"))
-        .id;
-    let (method, tokens) = match shape {
-        EffectShape::IsIdempotent(IdempotentShape::ReadEffect) => (HttpMethodScalar::Get, vec![]),
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-            key_source: KeySource::PathParam { param },
-        }) => (
-            HttpMethodScalar::Put,
-            vec![UrlPathToken::ParamToken { name: param }],
-        ),
-        EffectShape::IsIdempotent(IdempotentShape::DeleteEffect {
-            key_source: KeySource::PathParam { param },
-        }) => (
-            HttpMethodScalar::Delete,
-            vec![UrlPathToken::ParamToken { name: param }],
-        ),
-        EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::PostAlways,
-        }) => (HttpMethodScalar::Post, vec![]),
-        EffectShape::IsBreaking(BreakingShape::AppendEffect) => (HttpMethodScalar::Post, vec![]),
-        EffectShape::IsBreaking(BreakingShape::CreateEffect {
-            cause: CreateCause::KeylessFallback { method },
-        }) => (method, vec![]),
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-            key_source: KeySource::InputField { field },
-        })
-        | EffectShape::IsIdempotent(IdempotentShape::DeleteEffect {
-            key_source: KeySource::InputField { field },
-        }) => panic!(
-            "Operation endpoints cannot rederive InputField key source `{field}` at Stage 2 scope"
-        ),
-    };
-    let inputs = tokens
-        .iter()
-        .filter_map(|token| match token {
-            UrlPathToken::ParamToken { name } => Some((name.clone(), InputField {})),
-            UrlPathToken::LiteralToken { .. } => None,
-        })
-        .collect::<BTreeMap<String, InputField>>();
-    Operation {
-        callable: CallableRef { decl: callable },
-        inputs,
-        endpoint: RestEndpointBinding {
-            method,
-            path: PathTemplate { tokens },
-        },
-    }
-}
-
-fn read(dag: &Dag) -> Operation {
-    op(dag, EffectShape::IsIdempotent(IdempotentShape::ReadEffect))
-}
-
-#[test]
-fn parallel_requires_at_least_two_branches_type_level() {
-    let dag = shared_fixture_dag();
-    let linear = WorkflowEffect::LinearEffect {
-        ops: vec![read(&dag)],
-    };
-    assert!(
-        NonSingletonList::from_vec(vec![Box::new(linear.clone())]).is_none(),
-        "singleton branch list is not a NonSingletonList"
-    );
-}
-
-#[test]
-fn parallel_read_only_branches_commute() {
-    let mut dag = shared_fixture_dag();
-    let root = lane2_anchor(&dag);
-    let wf = WorkflowEffect::ParallelEffect {
-        branches: NonSingletonList::from_vec(vec![
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![read(&dag), read(&dag)],
-            }),
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![read(&dag)],
-            }),
-        ])
-        .unwrap(),
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_parallelism(&dag, root);
-    assert!(matches!(
-        r,
-        WorkflowParallelismReport::ParallelCompositionVerdict(
-            CompositionVerdict::IdempotentComposition
-        )
-    ));
-}
-
-#[test]
-fn parallel_upsert_cross_branch_fail_closed_same_operation() {
-    let mut dag = shared_fixture_dag();
-    let root = lane2_anchor(&dag);
-    let key = KeySource::PathParam { param: "id".into() };
-    let upsert = op(
-        &dag,
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-            key_source: key.clone(),
-        }),
-    );
-    let expected_upsert = upsert.clone();
-    let wf = WorkflowEffect::ParallelEffect {
-        branches: NonSingletonList::from_vec(vec![
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![upsert.clone()],
-            }),
-            Box::new(WorkflowEffect::LinearEffect { ops: vec![upsert] }),
-        ])
-        .unwrap(),
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_parallelism(&dag, root);
-    let WorkflowParallelismReport::ParallelismUnsupported(d) = r else {
-        panic!("expected ParallelismUnsupported — Upsert×Upsert has no merge witness in v1");
-    };
-    let ParallelismUnsupportedKind::PairwiseNonCommute { left, right } = d.kind else {
-        panic!("pairwise non-commute should expose typed operation evidence");
-    };
-    assert_eq!(left, expected_upsert);
-    assert_eq!(right, expected_upsert);
-}
-
-#[test]
-fn parallel_upsert_cross_branch_fail_closed_reconstructed_operation() {
-    let mut dag = shared_fixture_dag();
-    let root = lane2_anchor(&dag);
-    let key = KeySource::PathParam { param: "id".into() };
-    let upsert = || {
-        op(
-            &dag,
-            EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-                key_source: key.clone(),
-            }),
-        )
-    };
-    let wf = WorkflowEffect::ParallelEffect {
-        branches: NonSingletonList::from_vec(vec![
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![upsert()],
-            }),
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![upsert()],
-            }),
-        ])
-        .unwrap(),
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_parallelism(&dag, root);
-    let WorkflowParallelismReport::ParallelismUnsupported(d) = r else {
-        panic!("expected ParallelismUnsupported");
-    };
-    assert!(matches!(
-        d.kind,
-        ParallelismUnsupportedKind::PairwiseNonCommute { .. }
-    ));
-}
-
-#[test]
-fn parallel_different_path_param_names_not_proven_commute() {
-    let mut dag = shared_fixture_dag();
-    let root = lane2_anchor(&dag);
-    let upsert = |param: &str| {
-        op(
-            &dag,
-            EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-                key_source: KeySource::PathParam {
-                    param: param.into(),
-                },
-            }),
-        )
-    };
-    let wf = WorkflowEffect::ParallelEffect {
-        branches: NonSingletonList::from_vec(vec![
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![upsert("a")],
-            }),
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![upsert("b")],
-            }),
-        ])
-        .unwrap(),
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_parallelism(&dag, root);
-    let WorkflowParallelismReport::ParallelismUnsupported(d) = r else {
-        panic!("expected ParallelismUnsupported — distinct PathParam names are not a disjointness proof");
-    };
-    assert_eq!(
-        d.reason,
-        "parallel branch operations do not commute under parallel scheduling"
-    );
-    let ParallelismUnsupportedKind::PairwiseNonCommute {
-        left: evidence_left,
-        right: evidence_right,
-    } = d.kind
-    else {
-        panic!("pairwise non-commute should expose typed operation evidence");
-    };
-    assert!(matches!(
-        operation_effect_shape(&dag, &evidence_left),
-        Some(EffectShape::IsIdempotent(
-            IdempotentShape::UpsertEffect { .. }
-        ))
-    ));
-    assert!(matches!(
-        operation_effect_shape(&dag, &evidence_right),
-        Some(EffectShape::IsIdempotent(
-            IdempotentShape::UpsertEffect { .. }
-        ))
-    ));
-}
-
-#[test]
-fn parallel_read_vs_upsert_does_not_commute() {
-    let mut dag = shared_fixture_dag();
-    let root = lane2_anchor(&dag);
-    let upsert = op(
-        &dag,
-        EffectShape::IsIdempotent(IdempotentShape::UpsertEffect {
-            key_source: KeySource::PathParam { param: "k".into() },
-        }),
-    );
-    let wf = WorkflowEffect::ParallelEffect {
-        branches: NonSingletonList::from_vec(vec![
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![read(&dag)],
-            }),
-            Box::new(WorkflowEffect::LinearEffect { ops: vec![upsert] }),
-        ])
-        .unwrap(),
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_parallelism(&dag, root);
-    let WorkflowParallelismReport::ParallelismUnsupported(d) = r else {
-        panic!("expected ParallelismUnsupported");
-    };
-    assert_eq!(d.downstream_stage, "lane2_stage2e_parallelism_lens");
-    assert_eq!(
-        d.reason,
-        "parallel branch operations do not commute under parallel scheduling"
-    );
-    let ParallelismUnsupportedKind::PairwiseNonCommute {
-        left: evidence_left,
-        right: evidence_right,
-    } = d.kind
-    else {
-        panic!("pairwise non-commute should expose typed operation evidence");
-    };
-    assert!(matches!(
-        operation_effect_shape(&dag, &evidence_left),
-        Some(EffectShape::IsIdempotent(IdempotentShape::ReadEffect))
-    ));
-    assert!(matches!(
-        operation_effect_shape(&dag, &evidence_right),
-        Some(EffectShape::IsIdempotent(
-            IdempotentShape::UpsertEffect { .. }
-        ))
-    ));
-}
-
-#[test]
-fn parallel_append_in_branch_is_broken_by() {
-    let mut dag = shared_fixture_dag();
-    let root = lane2_anchor(&dag);
-    let wf = WorkflowEffect::ParallelEffect {
-        branches: NonSingletonList::from_vec(vec![
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![read(&dag)],
-            }),
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![op(
-                    &dag,
-                    EffectShape::IsBreaking(BreakingShape::AppendEffect),
-                )],
-            }),
-        ])
-        .unwrap(),
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_parallelism(&dag, root);
-    let WorkflowParallelismReport::ParallelCompositionVerdict(CompositionVerdict::BrokenBy {
-        first_breaker,
-    }) = r
-    else {
-        panic!("expected BrokenBy");
-    };
-    let breaker = dag
-        .lane2_workflow_effect_at(&root)
-        .expect("registered workflow should be readable at the root")
-        .operation_at(first_breaker)
-        .expect("parallel breaker ref should resolve in branch-order flattening");
-    assert!(matches!(
-        operation_effect_shape(&dag, breaker),
-        Some(EffectShape::IsBreaking(BreakingShape::AppendEffect))
-    ));
-}
-
-#[test]
-fn non_parallel_root_is_unsupported() {
-    let mut dag = shared_fixture_dag();
-    let root = lane2_anchor(&dag);
-    let wf = WorkflowEffect::LinearEffect {
-        ops: vec![read(&dag)],
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, wf));
-    let r = analyze_parallelism(&dag, root);
-    let WorkflowParallelismReport::ParallelismUnsupported(d) = r else {
-        panic!("expected unsupported");
-    };
-    assert_eq!(d.kind, ParallelismUnsupportedKind::NotParallelEffectRoot);
-}
diff --git a/src/v3/compiler/tests/integration/lane3_stage_3b_db1_test.rs b/src/v3/compiler/tests/integration/lane3_stage_3b_db1_test.rs
deleted file mode 100644
index 107e9b5098c..00000000000
--- a/src/v3/compiler/tests/integration/lane3_stage_3b_db1_test.rs
+++ /dev/null
@@ -1,182 +0,0 @@
-use crate::common::{cached_compile_outcome, CachedCompileOutcome};
-use v3_compiler::diagnostics::{apply_correction_and_reparse, Correction, Diagnostic};
-
-fn compile_semantic_fixture(source: &str, file: &str) -> v3_compiler::Dag {
-    match cached_compile_outcome(source, file) {
-        CachedCompileOutcome::Semantic(dag) => dag,
-        other => panic!("expected semantic failure for {file}, got {other:?}"),
-    }
-}
-
-fn find_diagnostic(dag: &v3_compiler::Dag, predicate: impl Fn(&Diagnostic) -> bool) -> &Diagnostic {
-    dag.diagnostics()
-        .iter()
-        .find_map(|(_, diagnostic)| predicate(diagnostic).then_some(diagnostic))
-        .unwrap_or_else(|| {
-            panic!(
-                "expected matching diagnostic, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        })
-}
-
-fn assert_fixes_apply_and_recompile(
-    source: &str,
-    file: &str,
-    diagnostic: &Diagnostic,
-    require_clean_compile: bool,
-) {
-    assert!(
-        matches!(
-            diagnostic.correction(),
-            v3_compiler::diagnostics::Correction::LiveCorrection { .. }
-        ),
-        "fixture should carry a live correction"
-    );
-    let fix = diagnostic.correction();
-    let repaired = apply_correction_and_reparse(source, file, fix).unwrap_or_else(|error| {
-        panic!("correction should apply and reparse for {file}: {fix:?}\nerror: {error:?}")
-    });
-    match cached_compile_outcome(&repaired, file) {
-        CachedCompileOutcome::Clean(_) => {}
-        CachedCompileOutcome::Semantic(_) if !require_clean_compile => {}
-        CachedCompileOutcome::Semantic(dag) => panic!(
-            "applied correction should compile cleanly for {file}: {fix:?}\ndiagnostics: {:?}\nrepaired source:\n{repaired}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-    }
-}
-
-#[test]
-fn missing_field_corrections_apply_to_the_exact_segment_and_compile() {
-    let source = "\
-type Inner { leaf: Int }
-type Outer { ok: Inner }
-fn read(x: Outer) -> Int = x.bad.leaf
-";
-    let file = "lane3_db1_missing_field.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(&dag, |diagnostic| {
-        matches!(
-            diagnostic,
-            Diagnostic::ResolveError { name, .. } if name.contains("field `bad` does not exist")
-        )
-    });
-    assert_fixes_apply_and_recompile(source, file, diagnostic, true);
-}
-
-#[test]
-fn ambiguous_missing_field_correction_is_deferred() {
-    let source = "\
-type Pair { left: Int, right: Int }
-fn read(x: Pair) -> Int = x.bad
-";
-    let file = "lane3_db1_ambiguous_missing_field.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(&dag, |diagnostic| {
-        matches!(
-            diagnostic,
-            Diagnostic::ResolveError { name, .. } if name.contains("field `bad` does not exist")
-        )
-    });
-    assert!(
-        matches!(
-            diagnostic.correction(),
-            Correction::DeferredCorrection { reason, .. }
-                if reason.contains("left") && reason.contains("right")
-        ),
-        "ambiguous missing-field repair should defer instead of choosing an arbitrary field: {:?}",
-        diagnostic.correction()
-    );
-}
-
-#[test]
-fn non_exhaustive_match_corrections_apply_and_compile_when_one_arm_is_missing() {
-    let source = "\
-type AB = A | B
-fn read(x: AB) -> Int = match x { A => 1 }
-";
-    let file = "lane3_db1_non_exhaustive.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(&dag, |diagnostic| {
-        matches!(
-            diagnostic,
-            Diagnostic::ResolveError { name, .. } if name.contains("non-exhaustive match")
-        )
-    });
-    assert_fixes_apply_and_recompile(source, file, diagnostic, true);
-}
-
-#[test]
-fn non_exhaustive_match_correction_covers_all_missing_arms() {
-    let source = "\
-type ABC = A | B | C
-fn read(x: ABC) -> Int = match x { A => 1 }
-";
-    let file = "lane3_db1_non_exhaustive_multiple.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(&dag, |diagnostic| {
-        matches!(
-            diagnostic,
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("non-exhaustive match")
-                    && name.contains("`B, C`")
-        )
-    });
-    assert_fixes_apply_and_recompile(source, file, diagnostic, true);
-}
-
-#[test]
-fn empty_match_seed_corrections_apply_without_parse_breakage() {
-    let source = "\
-type AB = A | B
-fn read(x: AB) -> Int = match x {}
-";
-    let file = "lane3_db1_empty_match.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(&dag, |diagnostic| {
-        matches!(
-            diagnostic,
-            Diagnostic::ResolveError { name, .. } if name.contains("non-exhaustive match")
-        )
-    });
-    assert_fixes_apply_and_recompile(source, file, diagnostic, true);
-}
-
-#[test]
-fn type_mismatch_corrections_apply_and_compile() {
-    let source = "let x: Bool = 1\n";
-    let file = "lane3_db1_type_mismatch.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(&dag, |diagnostic| {
-        matches!(diagnostic, Diagnostic::TypeMismatch { .. })
-    });
-    assert_fixes_apply_and_recompile(source, file, diagnostic, true);
-}
-
-#[test]
-fn unresolved_call_corrections_apply_and_compile() {
-    let source = "fn bad() -> Int = nope(1)\n";
-    let file = "lane3_db1_unresolved_call.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(
-        &dag,
-        |diagnostic| matches!(diagnostic, Diagnostic::ResolveError { name, .. } if name == "nope"),
-    );
-    assert_fixes_apply_and_recompile(source, file, diagnostic, true);
-}
-
-#[test]
-fn termination_corrections_apply_and_compile() {
-    let source = "fn diverge(x: Int) -> Int = diverge(x)\n";
-    let file = "lane3_db1_termination.v3";
-    let dag = compile_semantic_fixture(source, file);
-    let diagnostic = find_diagnostic(&dag, |diagnostic| {
-        matches!(
-            diagnostic,
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("cannot prove recursion in `diverge` terminates")
-        )
-    });
-    assert_fixes_apply_and_recompile(source, file, diagnostic, true);
-}
diff --git a/src/v3/compiler/tests/integration/lens_application_substrate_carrier_test.rs b/src/v3/compiler/tests/integration/lens_application_substrate_carrier_test.rs
deleted file mode 100644
index 7a6514e15dd..00000000000
--- a/src/v3/compiler/tests/integration/lens_application_substrate_carrier_test.rs
+++ /dev/null
@@ -1,138 +0,0 @@
-//! **Layer:** integration
-//!
-//! Structural acceptance for R3 §1.8 gate **`section_ref_substrate_landed`** (T-Lens-Application-Surface):
-//! `SectionRef = DeclarationScope { declaration } | NodeScope { declaration, node }` in
-//! [`src/v3/std/lens_application.dag`](../../../std/lens_application.dag), per
-//! [`docs/design-lens-application-surface.md`](../../../../docs/design-lens-application-surface.md) §1.2–§2.
-
-use v3_compiler::dag::{Dag, DeclarationId, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn peel_declaration_alias_head(dag: &Dag, mut id: DeclarationId) -> DeclarationId {
-    const MAX: usize = 64;
-    for _ in 0..MAX {
-        match &dag.declaration(id).connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } if arguments.is_empty() => {
-                id = *template;
-            }
-            TypeConnective::Atom(ap) => {
-                let Some(next) = ap.resolved_id() else {
-                    break;
-                };
-                id = next;
-            }
-            _ => break,
-        }
-    }
-    id
-}
-
-fn section_ref_decl(dag: &Dag) -> DeclarationId {
-    // Name matches import stubs elsewhere (e.g. `lenses.cost`); the substrate
-    // authority for this receipt is the declaration that lowers as the
-    // disjoint sum itself—not `ResolvedByName` forwarding atoms.
-    let mut substrates: Vec<DeclarationId> = dag
-        .declarations()
-        .iter()
-        .filter(|d| d.name.as_deref() == Some("SectionRef"))
-        .filter(|d| matches!(&d.connective, TypeConnective::Disj { .. }))
-        .map(|d| d.id)
-        .collect();
-    substrates.sort_by_key(|id| id.raw());
-    match substrates.as_slice() {
-        [only] => *only,
-        [] => panic!(
-            "bootstrap must define `SectionRef` as a disjoint sum (gate #89 section_ref_substrate_landed)"
-        ),
-        ambiguous => panic!(
-            "multiple `SectionRef` disjoint-sum authorities in bootstrap ({ambiguous:?}); expected exactly one substrate definition"
-        ),
-    }
-}
-
-fn disj_variant_conj(dag: &Dag, disj: DeclarationId, label: &str) -> DeclarationId {
-    let TypeConnective::Disj { variants } = &dag.declaration(disj).connective else {
-        panic!("`SectionRef` must be a disjoint sum");
-    };
-    let v = variants
-        .iter()
-        .find(|x| x.label == label)
-        .unwrap_or_else(|| panic!("SectionRef missing `{label}` variant"));
-    v.ty
-}
-
-fn conj_field_entry(dag: &Dag, conj: DeclarationId, field: &str) -> DeclarationId {
-    let TypeConnective::Conj { children } = &dag.declaration(conj).connective else {
-        panic!("expected Conj payload for SectionRef variant");
-    };
-    children
-        .iter()
-        .find(|f| f.label == field)
-        .unwrap_or_else(|| panic!("conj missing `{field}` field"))
-        .ty
-}
-
-#[test]
-fn gate_89_section_ref_is_disjoint_sum_from_lens_application_authority() {
-    let dag = generated_full_bootstrap_dag();
-    let section_ref = section_ref_decl(&dag);
-
-    let TypeConnective::Disj { variants } = &dag.declaration(section_ref).connective else {
-        panic!("SectionRef must lower to a Disj");
-    };
-    let labels: Vec<&str> = variants.iter().map(|v| v.label.as_str()).collect();
-    assert_eq!(
-        labels,
-        vec!["DeclarationScope", "NodeScope"],
-        "SectionRef variant labels + order must match design doc §1.2 (`DeclarationScope` then `NodeScope`)"
-    );
-
-    let decl_id = dag
-        .declaration_by_name("DeclarationId")
-        .expect("DeclarationId missing from bootstrap")
-        .id;
-    let node_id = dag
-        .declaration_by_name("NodeId")
-        .expect("NodeId missing from bootstrap")
-        .id;
-
-    let ds_conj = disj_variant_conj(&dag, section_ref, "DeclarationScope");
-    let ds_labels: Vec<String> = match &dag.declaration(ds_conj).connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("DeclarationScope payload must be Conj: {other:?}"),
-    };
-    assert_eq!(
-        ds_labels,
-        vec!["declaration".to_string()],
-        "DeclarationScope payload fields drifted"
-    );
-    assert_eq!(
-        peel_declaration_alias_head(&dag, conj_field_entry(&dag, ds_conj, "declaration")),
-        peel_declaration_alias_head(&dag, decl_id),
-        "`DeclarationScope.declaration` must be substrate `DeclarationId`"
-    );
-
-    let ns_conj = disj_variant_conj(&dag, section_ref, "NodeScope");
-    let ns_labels: Vec<String> = match &dag.declaration(ns_conj).connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("NodeScope payload must be Conj: {other:?}"),
-    };
-    assert_eq!(
-        ns_labels,
-        vec!["declaration".to_string(), "node".to_string()],
-        "NodeScope payload fields drifted"
-    );
-    assert_eq!(
-        peel_declaration_alias_head(&dag, conj_field_entry(&dag, ns_conj, "declaration")),
-        peel_declaration_alias_head(&dag, decl_id),
-        "`NodeScope.declaration` must be substrate `DeclarationId`"
-    );
-    assert_eq!(
-        peel_declaration_alias_head(&dag, conj_field_entry(&dag, ns_conj, "node")),
-        peel_declaration_alias_head(&dag, node_id),
-        "`NodeScope.node` must be substrate `NodeId`"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/lens_behavioral_parity_demonstration_test.rs b/src/v3/compiler/tests/integration/lens_behavioral_parity_demonstration_test.rs
deleted file mode 100644
index 570e929ecb7..00000000000
--- a/src/v3/compiler/tests/integration/lens_behavioral_parity_demonstration_test.rs
+++ /dev/null
@@ -1,327 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #73 — `lens_behavioral_parity_demonstration`.
-//!
-//! This is the executable demonstration receipt for the four in-R3 lens surfaces
-//! named by T-Lens-Behavioral-Parity. It consumes the current frozen expectations
-//! directly rather than calling a live v2 oracle, so it remains compatible with
-//! `v2_oracle_no_remaining_test_consumers`.
-//!
-//! P5 receipt: this hand-written Rust test exists only as the gate #73 host
-//! receipt while `LensOutputEquals` / frozen-oracle claims are still migrating to
-//! data. Dissolution is tracked by `docs/r3-program-plan.md` §1.8 row 73
-//! (`lens_behavioral_parity_demonstration`), the T-Tests-As-Data rows 84/87, and
-//! `ROADMAP.md` §"Post-merge debt" row "Hand-Rust census" / T-PB-B test subset;
-//! when those rows can express this four-lens snapshot as `.dag` TestClaim data,
-//! delete this module and its `tests/integration.rs` registration.
-//!
-//! **Gate #84 / gunbc#2650:** countdown symbolic-cost assertions now live in the gate #87
-//! `cost_symbolic` `.dag` `SymbolicCostExprEquals` suite. Report-shaped parity slices
-//! (`ComplexitySummary`, workflow parallelism, effect enumeration) track under
-//! `Gate73_ReportPredicateCarriers`.
-
-use std::collections::BTreeMap;
-use std::sync::OnceLock;
-
-use v3_compiler::analyze_parallelism;
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    AsymptoticClass, Behavior, CallableRef, CompositionVerdict, HttpMethodScalar, InputField,
-    NonSingletonList, Operation, PathTemplate, PortId, RestEndpointBinding, SymbolicCost,
-    TransformTarget, TypeConnective, WorkflowEffect, WorkflowParallelismReport,
-};
-use v3_compiler::lens_cost::ComplexitySummary;
-use v3_compiler::lens_cost::{complexity_of, Certainty, ComplexityLookup};
-use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-use v3_compiler::lens_effect_enumeration::{
-    enumerate_effects, EffectEnumerationReport, StructuralEffectShape, TransactionalPattern,
-};
-use v3_compiler::Dag;
-
-use crate::common::assert_recursive_countdown_linear_semantics;
-
-static COUNTDOWN_DAG: OnceLock<Dag> = OnceLock::new();
-static EFFECTS_DAG: OnceLock<Dag> = OnceLock::new();
-static COUNTDOWN_COMPLEXITY: OnceLock<(ComplexitySummary, PortId)> = OnceLock::new();
-static COUNTDOWN_SYMBOLIC_COST: OnceLock<(SymbolicCost, PortId)> = OnceLock::new();
-static EFFECTS_REPORT: OnceLock<EffectEnumerationReport> = OnceLock::new();
-
-fn countdown_dag() -> &'static Dag {
-    COUNTDOWN_DAG.get_or_init(|| {
-        compile_to_dag(
-            "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)",
-            "r3_gate_73_countdown.v3",
-        )
-        .expect("recursive countdown fixture compiles")
-    })
-}
-
-fn effects_dag() -> &'static Dag {
-    EFFECTS_DAG.get_or_init(|| {
-        compile_to_dag("let answer: Int = 1 + 2", "r3_gate_73_effects.v3")
-            .expect("effect enumeration fixture compiles")
-    })
-}
-
-fn countdown_complexity() -> (ComplexitySummary, PortId) {
-    COUNTDOWN_COMPLEXITY
-        .get_or_init(|| {
-            let (dag, countdown, parameter) = countdown_fixture();
-            let complexity = match complexity_of(&dag, &countdown.value) {
-                ComplexityLookup::Hit(summary) => summary,
-                ComplexityLookup::Miss => panic!("complexity lens returned Miss for countdown"),
-            };
-            (complexity, parameter)
-        })
-        .clone()
-}
-
-fn countdown_symbolic_cost() -> (SymbolicCost, PortId) {
-    COUNTDOWN_SYMBOLIC_COST
-        .get_or_init(|| {
-            let (dag, countdown, parameter) = countdown_fixture();
-            let symbolic_cost = match symbolic_cost_lookup(&dag, &countdown.value) {
-                SymbolicCostLookup::Hit(cost) => cost,
-                SymbolicCostLookup::Miss => panic!("cost lens returned Miss for countdown"),
-            };
-            (symbolic_cost, parameter)
-        })
-        .clone()
-}
-
-fn effects_report() -> EffectEnumerationReport {
-    EFFECTS_REPORT
-        .get_or_init(|| enumerate_effects(effects_dag()))
-        .clone()
-}
-
-fn find_bind(dag: &Dag, name: &str) -> v3_compiler::dag::BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .cloned()
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-}
-
-fn contains_linear(cost: &SymbolicCost, source_port: PortId) -> bool {
-    match cost {
-        SymbolicCost::LinearCost { _0: var } => var.source_port == source_port,
-        SymbolicCost::ProductCost { _0: terms } | SymbolicCost::SumCost { _0: terms } => terms
-            .iter()
-            .any(|term| contains_linear(term.as_ref(), source_port)),
-        _ => false,
-    }
-}
-
-fn read_op(dag: &Dag) -> Operation {
-    let callable = dag
-        .declaration_by_name("get_method")
-        .expect("bootstrap should provide get_method declaration")
-        .id;
-    Operation {
-        callable: CallableRef { decl: callable },
-        inputs: BTreeMap::<String, InputField>::new(),
-        endpoint: RestEndpointBinding {
-            method: HttpMethodScalar::Get,
-            path: PathTemplate { tokens: vec![] },
-        },
-    }
-}
-
-fn has_non_arrow_callable_gap(dag: &Dag, report: &EffectEnumerationReport) -> bool {
-    report.coverage_gaps.iter().any(|gap| {
-        let Some(Behavior::Transform(transform)) = dag
-            .nodes()
-            .iter()
-            .find(|behavior| behavior.id() == gap.node)
-        else {
-            return false;
-        };
-        let TransformTarget::Callable(target) = &transform.target else {
-            return false;
-        };
-        dag.declaration_opt(target)
-            .is_some_and(|decl| !matches!(decl.connective, TypeConnective::Arrow { .. }))
-    })
-}
-
-fn run_with_parity_demo_stack(f: impl FnOnce() + Send + 'static) {
-    std::thread::Builder::new()
-        .name("lens-behavioral-parity-demo".to_string())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn lens behavioral parity demo thread")
-        .join()
-        .expect("lens behavioral parity demo thread should not panic");
-}
-
-fn countdown_fixture() -> (Dag, v3_compiler::dag::BindNode, PortId) {
-    let dag = countdown_dag().clone();
-    let countdown = find_bind(&dag, "countdown");
-    let parameter = countdown
-        .params
-        .first()
-        .copied()
-        .expect("countdown should expose one size-bearing parameter");
-    (dag, countdown, parameter)
-}
-
-#[test]
-fn r3_gate_73_demonstrates_complexity_work_is_linear_in_countdown_parameter() {
-    run_with_parity_demo_stack(|| {
-        let (complexity, parameter) = countdown_complexity();
-        assert!(
-            contains_linear(&complexity.work, parameter),
-            "complexity work should consume the recursive CallPattern as linear parameter cost, got {:?}",
-            complexity.work
-        );
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_complexity_span_is_linear_in_countdown_parameter() {
-    run_with_parity_demo_stack(|| {
-        let (complexity, parameter) = countdown_complexity();
-        assert!(
-            contains_linear(&complexity.span, parameter),
-            "complexity span should consume the recursive CallPattern as linear parameter cost, got {:?}",
-            complexity.span
-        );
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_complexity_classification_is_conservative() {
-    run_with_parity_demo_stack(|| {
-        let (complexity, _) = countdown_complexity();
-        assert_eq!(
-            complexity.asymptotic_class,
-            AsymptoticClass::ClassUnknown,
-            "frozen snapshot keeps composite countdown classification conservative"
-        );
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_complexity_certainty_is_proven() {
-    run_with_parity_demo_stack(|| {
-        let (complexity, _) = countdown_complexity();
-        assert!(matches!(complexity.work_certainty, Certainty::Proven));
-        assert!(matches!(complexity.span_certainty, Certainty::Proven));
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_symbolic_cost_is_linear() {
-    run_with_parity_demo_stack(|| {
-        let (symbolic_cost, _) = countdown_symbolic_cost();
-        assert_recursive_countdown_linear_semantics(&symbolic_cost);
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_symbolic_cost_is_keyed_by_countdown_parameter() {
-    run_with_parity_demo_stack(|| {
-        let (symbolic_cost, parameter) = countdown_symbolic_cost();
-        assert!(
-            contains_linear(&symbolic_cost, parameter),
-            "cost lens linear SizeVariable should be keyed by countdown parameter {parameter:?}, got {symbolic_cost:?}"
-        );
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_parallelism_parity_snapshot() {
-    let mut dag = compile_to_dag("let anchor: Int = 1", "r3_gate_73_parallelism.v3")
-        .expect("parallelism anchor fixture compiles");
-    let root = dag
-        .nodes()
-        .iter()
-        .find(|behavior| matches!(behavior, Behavior::Value(_) | Behavior::Bind(_)))
-        .expect("anchor fixture should contain a behavior node")
-        .id();
-    let workflow = WorkflowEffect::ParallelEffect {
-        branches: NonSingletonList::from_vec(vec![
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![read_op(&dag)],
-            }),
-            Box::new(WorkflowEffect::LinearEffect {
-                ops: vec![read_op(&dag)],
-            }),
-        ])
-        .expect("two branches satisfy NonSingletonList"),
-    };
-    assert!(dag.try_register_lane2_workflow_effect(root, workflow));
-
-    let report = analyze_parallelism(&dag, root);
-    assert!(matches!(
-        report,
-        WorkflowParallelismReport::ParallelCompositionVerdict(
-            CompositionVerdict::IdempotentComposition
-        )
-    ));
-}
-
-#[test]
-fn r3_gate_73_demonstrates_effect_enumeration_publishes_facts() {
-    run_with_parity_demo_stack(|| {
-        let report = effects_report();
-
-        assert!(
-            !report.facts.is_empty(),
-            "effect enumeration should publish facts for the representative fixture"
-        );
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_effect_enumeration_preserves_non_arrow_callable_gap() {
-    run_with_parity_demo_stack(|| {
-        let dag = effects_dag();
-        let report = effects_report();
-
-        assert!(
-            has_non_arrow_callable_gap(dag, &report),
-            "effect enumeration frozen snapshot should preserve the current non-arrow callable coverage gap, got {:?}",
-            report.coverage_gaps
-        );
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_effect_enumeration_proves_no_effect_fact() {
-    run_with_parity_demo_stack(|| {
-        let report = effects_report();
-
-        assert!(
-            report
-                .facts
-                .iter()
-                .any(|fact| matches!(fact.shape, StructuralEffectShape::NoEffect)),
-            "effect enumeration should still prove at least one source fact NoEffect, got {:?}",
-            report.facts
-        );
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_effect_enumeration_has_no_redundant_reads() {
-    run_with_parity_demo_stack(|| {
-        let report = effects_report();
-
-        assert!(report.redundant_reads.is_empty());
-    });
-}
-
-#[test]
-fn r3_gate_73_demonstrates_effect_enumeration_has_no_transaction() {
-    run_with_parity_demo_stack(|| {
-        let report = effects_report();
-
-        assert!(matches!(
-            report.transaction,
-            TransactionalPattern::NoTransaction
-        ));
-    });
-}
diff --git a/src/v3/compiler/tests/integration/lens_cost_target_realization_test.rs b/src/v3/compiler/tests/integration/lens_cost_target_realization_test.rs
deleted file mode 100644
index 8c2d951af00..00000000000
--- a/src/v3/compiler/tests/integration/lens_cost_target_realization_test.rs
+++ /dev/null
@@ -1,449 +0,0 @@
-//! T-CostLens-Composition Slice 1a.1 consumer-proof tests.
-//!
-//! Exercises `v3_compiler::lens_cost_target_realization::*` — the `.dag`-tier
-//! consumer of the `declaration_by_name` substrate accessor introduced by
-//! Slice 1a.0 (PR #2194 merged at commit 633f83854; Director ratification
-//! at gunbc#828 #issuecomment-4402899692).
-//!
-//! Closes the same-PR-consumer-evidence gap per INVARIANTS P2 raised by
-//! codex BLOCKING on PR #2194 sha 633f8385 (resolved post-merge by this
-//! Slice 1a.1 landing).
-//!
-//! **R3 §1.8 gate #37** (`cost_lens_reads_target_realization`, ε path per
-//! Q-Cost-Composition-Layering / PR #2181): `cost_lens_composes_symbolic_cost_with_rust_type_realization_row`
-//! and `cost_lens_reads_cost_field_on_rust_callable_realization_row` pin Rust-side reading of abstract
-//! `SymbolicCost` from `symbolic_cost_of` composed with bootstrap realization-row `cost` fields.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    literal_decimal_i64, per_call_descent_evidence, ArithmeticOp, Behavior, ComparisonOp, Dag,
-    Declaration, DeclarationId, FieldValue, LiteralBits, OperatorKind, SymbolicCost,
-    TransformTarget, ValueBody,
-};
-use v3_compiler::emit_rust::emit_rust;
-use v3_compiler::generated_full_bootstrap_dag;
-use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-use v3_compiler::lens_cost_target_realization::{
-    behavior_realization_meta, callable_realization_meta, operator_realization_meta,
-    pattern_realization_meta, type_instantiation_realization_meta, type_realization_meta,
-};
-use v3_compiler::realization_cost::{
-    compose_symbolic_cost_with_realization_costs, RealizationCostCategory, RealizationCostKey,
-    RealizationCostTable,
-};
-
-use crate::common::assert_recursive_countdown_linear_semantics;
-
-fn run_with_cost_target_realization_stack(f: impl FnOnce() + Send + 'static) {
-    std::thread::Builder::new()
-        .name("cost-target-realization-test".to_string())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn cost target realization test thread")
-        .join()
-        .expect("cost target realization test thread should not panic");
-}
-
-fn find_bind_value(dag: &Dag, name: &str) -> v3_compiler::dag::PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-/// `cost` field on a lowered `TypeRealization` / `CallableRealization` data row.
-fn realization_row_cost_int(decl: &Declaration) -> i64 {
-    let Some(body) = decl.value_body.as_ref() else {
-        panic!("declaration {:?} missing value_body", decl.name);
-    };
-    let ValueBody::Structural { fields } = body else {
-        panic!("expected structural realization row, got {body:?}");
-    };
-    for (key, value) in fields {
-        if key == "cost" {
-            let FieldValue::Literal(LiteralBits::Int(s)) = value else {
-                panic!("`cost` must be Int literal, got {value:?}");
-            };
-            return literal_decimal_i64(s).unwrap_or_else(|| panic!("cost int: {s:?}"));
-        }
-    }
-    panic!("no `cost` field on realization row {:?}", decl.name);
-}
-
-fn mentions_linear(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::LinearCost { .. } => true,
-        SymbolicCost::SumCost { _0: terms } | SymbolicCost::ProductCost { _0: terms } => {
-            terms.iter().any(|term| mentions_linear(term.as_ref()))
-        }
-        _ => false,
-    }
-}
-
-#[test]
-fn type_realization_meta_resolves_against_bootstrap() {
-    let dag = bootstrap_dag();
-    let meta = type_realization_meta(&dag);
-    assert!(
-        meta.is_some(),
-        "type_realization_meta should resolve `TypeRealization` declaration in bootstrap dag"
-    );
-    let decl = meta.unwrap();
-    assert_eq!(
-        decl.name.as_deref(),
-        Some("TypeRealization"),
-        "resolved declaration's name should be `TypeRealization`"
-    );
-}
-
-#[test]
-fn callable_realization_meta_resolves_against_bootstrap() {
-    let dag = bootstrap_dag();
-    let meta = callable_realization_meta(&dag);
-    assert!(
-        meta.is_some(),
-        "callable_realization_meta should resolve `CallableRealization` in bootstrap"
-    );
-    assert_eq!(meta.unwrap().name.as_deref(), Some("CallableRealization"));
-}
-
-#[test]
-fn operator_realization_meta_resolves_against_bootstrap() {
-    let dag = bootstrap_dag();
-    let meta = operator_realization_meta(&dag);
-    assert!(
-        meta.is_some(),
-        "operator_realization_meta should resolve `OperatorRealization` in bootstrap"
-    );
-    assert_eq!(meta.unwrap().name.as_deref(), Some("OperatorRealization"));
-}
-
-#[test]
-fn behavior_realization_meta_resolves_against_bootstrap() {
-    let dag = bootstrap_dag();
-    let meta = behavior_realization_meta(&dag);
-    assert!(
-        meta.is_some(),
-        "behavior_realization_meta should resolve `BehaviorRealization` in bootstrap"
-    );
-    assert_eq!(meta.unwrap().name.as_deref(), Some("BehaviorRealization"));
-}
-
-#[test]
-fn type_instantiation_realization_meta_resolves_against_bootstrap() {
-    let dag = bootstrap_dag();
-    let meta = type_instantiation_realization_meta(&dag);
-    assert!(
-        meta.is_some(),
-        "type_instantiation_realization_meta should resolve `TypeInstantiationRealization` in bootstrap"
-    );
-    assert_eq!(
-        meta.unwrap().name.as_deref(),
-        Some("TypeInstantiationRealization")
-    );
-}
-
-#[test]
-fn pattern_realization_meta_resolves_against_bootstrap() {
-    let dag = bootstrap_dag();
-    let meta = pattern_realization_meta(&dag);
-    assert!(
-        meta.is_some(),
-        "pattern_realization_meta should resolve `PatternRealization` in bootstrap"
-    );
-    assert_eq!(meta.unwrap().name.as_deref(), Some("PatternRealization"));
-}
-
-/// R3 gate #37 — ε-path consumer: abstract cost × target `TypeRealization.cost`.
-#[test]
-fn cost_lens_composes_symbolic_cost_with_rust_type_realization_row() {
-    run_with_cost_target_realization_stack(|| {
-        let boot = generated_full_bootstrap_dag();
-        let tr_meta = type_realization_meta(&boot).expect("TypeRealization meta in bootstrap");
-        let rust_int = boot
-            .declaration_by_name("rust_int")
-            .expect("`rust_int` TypeRealization row from rust.dag");
-        assert_eq!(
-            rust_int.meta_tag,
-            Some(tr_meta.id),
-            "rust_int should carry TypeRealization meta_tag"
-        );
-        let target_primitive_cost = realization_row_cost_int(rust_int);
-        assert_eq!(
-            target_primitive_cost, 1,
-            "fixture: rust_int.cost is 1 in src/v3/spec/rust.dag"
-        );
-
-        let user = compile_to_dag("let lit: Int = 7", "r3_gate37_cost_lens.v3")
-            .expect("literal program compiles");
-        let lit = find_bind_value(&user, "lit");
-        let algebra_cost = match symbolic_cost_lookup(&user, &lit) {
-            SymbolicCostLookup::Hit(c) => c,
-            SymbolicCostLookup::Miss => panic!("symbolic_cost_lookup Miss for `lit`"),
-        };
-        assert!(
-            matches!(algebra_cost, SymbolicCost::ConstantCost { _0: 0 }),
-            "literal bind should stay constant zero at algebra layer, got {algebra_cost:?}"
-        );
-
-        let table = RealizationCostTable::for_language(&boot, named_id(&boot, "rust_language"))
-            .expect("rust realization-cost table should build");
-        let composed = compose_symbolic_cost_with_realization_costs(
-            algebra_cost,
-            [table
-                .cost(&RealizationCostKey::Type(named_id(&boot, "Int")))
-                .expect("Rust Int realization cost")],
-        );
-        assert!(
-            matches!(composed, SymbolicCost::ConstantCost { _0: 1 }),
-            "sequential(Constant(0), Constant(target_cost)) should normalize to Constant(1), got {composed:?}"
-        );
-    });
-}
-
-/// Same gate #37 surface on a `CallableRealization` row (list helper realization).
-#[test]
-fn cost_lens_reads_cost_field_on_rust_callable_realization_row() {
-    let boot = bootstrap_dag();
-    let cr_meta = callable_realization_meta(&boot).expect("CallableRealization meta");
-    let row = boot
-        .declaration_by_name("rust_is_empty_callable")
-        .expect("rust_is_empty_callable row");
-    assert_eq!(row.meta_tag, Some(cr_meta.id));
-    assert_eq!(realization_row_cost_int(row), 1);
-}
-
-#[test]
-fn realization_cost_table_reads_rust_type_realization_cost() {
-    let dag = bootstrap_dag();
-    let rust_language = named_id(&dag, "rust_language");
-    let int_decl = named_id(&dag, "Int");
-
-    let table = RealizationCostTable::for_language(&dag, rust_language)
-        .expect("rust realization-cost table should build from structural rows");
-    let entry = table
-        .get(&RealizationCostKey::Type(int_decl))
-        .expect("rust Int TypeRealization cost should be indexed by target declaration");
-
-    assert_eq!(entry.language, rust_language);
-    assert_eq!(entry.category(), RealizationCostCategory::Type);
-    assert_eq!(entry.cost.value(), 1);
-    assert_eq!(entry.declaration, named_id(&dag, "rust_int"));
-}
-
-#[test]
-fn realization_cost_table_reads_zero_cost_behavior_realization() {
-    let dag = bootstrap_dag();
-    let rust_language = named_id(&dag, "rust_language");
-    let let_stmt_target = field_ref(&dag, "rust_let_stmt", "target");
-
-    let table = RealizationCostTable::for_language(&dag, rust_language)
-        .expect("rust realization-cost table should build from structural rows");
-
-    assert_eq!(
-        table
-            .cost(&RealizationCostKey::Behavior(let_stmt_target))
-            .map(|cost| cost.value()),
-        Some(0),
-        "BehaviorRealization.cost must be observable, including zero-cost rows"
-    );
-}
-
-#[test]
-fn realization_cost_table_indexes_operator_by_target_and_op() {
-    let dag = bootstrap_dag();
-    let rust_language = named_id(&dag, "rust_language");
-    let target = field_ref(&dag, "rust_int_add", "target");
-    let op = field_ref(&dag, "rust_int_add", "op");
-
-    let table = RealizationCostTable::for_language(&dag, rust_language)
-        .expect("rust realization-cost table should build from structural rows");
-    let entry = table
-        .get(&RealizationCostKey::Operator { target, op })
-        .expect("rust int add OperatorRealization cost should use (target, op) key");
-
-    assert_eq!(entry.category(), RealizationCostCategory::Operator);
-    assert_eq!(entry.cost.value(), 1);
-    assert_eq!(entry.declaration, named_id(&dag, "rust_int_add"));
-}
-
-#[test]
-fn realization_cost_table_filters_by_language() {
-    let dag = bootstrap_dag();
-    let rust_language = named_id(&dag, "rust_language");
-    let go_language = named_id(&dag, "go_language");
-    let int_decl = named_id(&dag, "Int");
-
-    let rust_table = RealizationCostTable::for_language(&dag, rust_language)
-        .expect("rust realization-cost table should build");
-    let go_table =
-        RealizationCostTable::for_language(&dag, go_language).expect("go table should build");
-
-    assert_eq!(
-        rust_table
-            .get(&RealizationCostKey::Type(int_decl))
-            .map(|entry| entry.declaration),
-        Some(named_id(&dag, "rust_int"))
-    );
-    assert_eq!(
-        go_table
-            .get(&RealizationCostKey::Type(int_decl))
-            .map(|entry| entry.declaration),
-        Some(named_id(&dag, "go_int"))
-    );
-}
-
-/// R3 gate #70 — representative target-program receipt.
-///
-/// This exercises the same structural composition the lane promises end-to-end:
-/// compile a source program, emit a Rust target program, read algebra-level
-/// cost from the symbolic-cost lens, read target primitive costs from the Rust
-/// `LanguageSpec` realization table, then compose the two with the
-/// `SymbolicCost` sequential algebra.
-#[test]
-fn cost_lens_demonstration_composes_representative_rust_program_cost() {
-    run_with_cost_target_realization_stack(|| {
-        let boot = generated_full_bootstrap_dag();
-        let rust_language = named_id(&boot, "rust_language");
-        let int_decl = named_id(&boot, "Int");
-        let add_op = field_ref(&boot, "rust_int_add", "op");
-        let sub_op = field_ref(&boot, "rust_int_sub", "op");
-        let eq_op = field_ref(&boot, "rust_int_eq", "op");
-        let table = RealizationCostTable::for_language(&boot, rust_language)
-            .expect("rust realization-cost table should build from LanguageSpec rows");
-
-        let user = compile_to_dag(
-            "\
-fn countdown(n: Int) -> Int =
-  if n == 0 then 0 else countdown(n - 1)
-
-let demo: Int = countdown(3) + 1
-",
-            "r3_gate70_cost_lens.v3",
-        )
-        .expect("representative recursive program compiles");
-        let emitted = emit_rust(&user).expect("representative program emits to Rust");
-        assert!(
-            emitted.contains("fn countdown")
-                && emitted.contains("countdown(&(((*(p0)) - 1)))")
-                && emitted.contains("let demo: i64 = (countdown(&(3)) + 1);"),
-            "emitted Rust should realize the recursive countdown target program:\n{emitted}"
-        );
-
-        let mut saw_add = false;
-        let mut saw_sub = false;
-        let mut saw_eq = false;
-        for transform in user.nodes().iter().filter_map(Behavior::as_transform) {
-            match transform.target {
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)) => {
-                    saw_add = true;
-                }
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Sub)) => {
-                    saw_sub = true;
-                }
-                TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)) => {
-                    saw_eq = true;
-                }
-                _ => {}
-            }
-        }
-        assert!(
-            saw_add && saw_sub && saw_eq,
-            "gate #70 fixture should expose Add/Sub/Eq algebra instances; got add={saw_add}, sub={saw_sub}, eq={saw_eq}"
-        );
-
-        let descent_entries = per_call_descent_evidence(&user);
-        assert!(
-            descent_entries
-                .iter()
-                .any(|entry| entry.caller == "countdown" && entry.callee == "countdown"),
-            "gate #70 fixture should expose a recursive countdown call, got {descent_entries:?}"
-        );
-
-        let countdown = find_bind_value(&user, "countdown");
-        let algebra_cost = match symbolic_cost_lookup(&user, &countdown) {
-            SymbolicCostLookup::Hit(c) => c,
-            SymbolicCostLookup::Miss => panic!("symbolic_cost_lookup Miss for `countdown`"),
-        };
-        assert_recursive_countdown_linear_semantics(&algebra_cost);
-
-        let type_cost = table
-            .cost(&RealizationCostKey::Type(int_decl))
-            .expect("Rust Int realization cost");
-        let add_cost = table
-            .cost(&RealizationCostKey::Operator {
-                target: int_decl,
-                op: add_op,
-            })
-            .expect("Rust Int add realization cost");
-        let sub_cost = table
-            .cost(&RealizationCostKey::Operator {
-                target: int_decl,
-                op: sub_op,
-            })
-            .expect("Rust Int sub realization cost");
-        let eq_cost = table
-            .cost(&RealizationCostKey::Operator {
-                target: int_decl,
-                op: eq_op,
-            })
-            .expect("Rust Int eq realization cost");
-        assert_eq!(
-            (
-                type_cost.value(),
-                add_cost.value(),
-                sub_cost.value(),
-                eq_cost.value()
-            ),
-            (1, 1, 1, 1),
-            "fixture rows should expose Rust Int/Add/Sub/Eq realization costs"
-        );
-
-        let composed = compose_symbolic_cost_with_realization_costs(
-            algebra_cost,
-            [type_cost, add_cost, sub_cost, eq_cost],
-        );
-        assert!(
-            mentions_linear(&composed),
-            "cost lens demo should preserve the observable linear bound while folding Rust realization rows, got {composed:?}"
-        );
-    });
-}
-
-fn named_id(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("missing declaration `{name}`"))
-        .id
-}
-
-fn bootstrap_dag() -> Dag {
-    std::thread::Builder::new()
-        .name("cost-target-realization-bootstrap".to_string())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(generated_full_bootstrap_dag)
-        .expect("spawn bootstrap builder")
-        .join()
-        .expect("bootstrap builder should not panic")
-}
-
-fn field_ref(dag: &Dag, decl_name: &str, field_name: &str) -> DeclarationId {
-    match field_value(dag, decl_name, field_name) {
-        FieldValue::Reference(id) => *id,
-        other => panic!("{decl_name}.{field_name} should be a DeclarationRef, got {other:?}"),
-    }
-}
-
-fn field_value<'a>(dag: &'a Dag, decl_name: &str, field_name: &str) -> &'a FieldValue {
-    let decl = dag
-        .declaration_by_name(decl_name)
-        .unwrap_or_else(|| panic!("missing declaration `{decl_name}`"));
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!("declaration `{decl_name}` should have structural value_body");
-    };
-    fields
-        .iter()
-        .find_map(|(label, value)| (label == field_name).then_some(value))
-        .unwrap_or_else(|| panic!("missing field `{field_name}` on `{decl_name}`"))
-}
diff --git a/src/v3/compiler/tests/integration/lens_register_correspondence_test.rs b/src/v3/compiler/tests/integration/lens_register_correspondence_test.rs
deleted file mode 100644
index 2c7159fd275..00000000000
--- a/src/v3/compiler/tests/integration/lens_register_correspondence_test.rs
+++ /dev/null
@@ -1,48 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #83 structural ratchet over `std.verification` `lens_capability_register_rows`.
-//! The retired prose mirror `docs/v3-lens-capability-register.md` (removed #4192 public
-//! cleanup) is not a second authority; markdown↔structural correspondence tests were
-//! deleted as stale doc consumers in the frozen-dir drift triage.
-
-use v3_compiler::cementing_dispatch;
-use v3_compiler::dag::Dag;
-
-const R3_LENS_BEHAVIORAL_PARITY_SCOPE: &[&str] = &[
-    "complexity.dag",
-    "cost.dag",
-    "parallelism.dag",
-    "effect_enumeration.dag",
-];
-
-#[test]
-fn r3_gate_83_lens_capability_register_std_verification_behavioral_axis_has_zero_stub() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap Dag should load cleanly for std.verification lens_capability_register_rows \
-         behavioral-axis ratchet, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    let labels = cementing_dispatch::lens_capability_register_behavioral_label_by_basename(&dag)
-        .expect("read behavioral axis from lens_capability_register_rows");
-    let mut blockers = Vec::new();
-    for basename in R3_LENS_BEHAVIORAL_PARITY_SCOPE {
-        let Some(label) = labels.get(*basename) else {
-            panic!(
-                "R3 gate #83: `lens_capability_register_rows` must include `{basename}` — add the row \
-                 in `src/v3/std/verification.dag`."
-            );
-        };
-        if label == "LensCapabilityBehavioralStub" {
-            blockers.push(format!("{basename}: {label}"));
-        }
-    }
-    assert!(
-        blockers.is_empty(),
-        "R3 gate #83 — `std.verification` `lens_capability_register_rows` behavioral-axis ratchet \
-         (field `behavioral: LensCapabilityBehavioralStatus`): the four T-Lens-Behavioral-Parity \
-         basenames must not carry `LensCapabilityBehavioralStub`. Remaining STUB blocker(s): \
-         {blockers:?}."
-    );
-}
diff --git a/src/v3/compiler/tests/integration/lens_substrate_carrier_test.rs b/src/v3/compiler/tests/integration/lens_substrate_carrier_test.rs
deleted file mode 100644
index ad5078a6e10..00000000000
--- a/src/v3/compiler/tests/integration/lens_substrate_carrier_test.rs
+++ /dev/null
@@ -1,238 +0,0 @@
-//! **Layer:** integration
-//!
-//! Acceptance for the T-Substrate-Lens-Primitive first slice
-//! (`docs/design-lens-framework.md`, `docs/briefs/r2-substrate-manager.md`).
-//!
-//! Director-locked option (c) per parent inbox #1130 dispatch:
-//! - `Lens<C>` lands in `src/v3/std/lens.dag` with the locked 6-field
-//!   shape (`name`, `read`, `sequential: Monoid<C>`, `branch`, `iterate`,
-//!   `validate`).
-//! - `Diagnostic.kind` widens from `CompilerDiagnosticKind` to
-//!   `AnyDiagnosticKind`; the Layer-1 closed sum tracks the compiler's
-//!   native `Diagnostic` taxonomy, ratcheted via `LAYER1_DIAGNOSTIC_KIND_LABELS`.
-//! - `LensInstanceKindWitness` is decl-only (no payload value field)
-//!   until refinement/dependent typing lands; this is the explicit
-//!   substrate gap receipt.
-
-use std::collections::HashSet;
-
-use crate::common::cached_compile_to_dag;
-use v3_compiler::dag::{ArrowBody, Dag, DeclarationId, TypeConnective};
-use v3_compiler::{generated_full_bootstrap_dag, LAYER1_DIAGNOSTIC_KIND_LABELS};
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-fn decl_id_by_name(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"))
-        .id
-}
-
-fn dag_shape_dag() -> Dag {
-    cached_compile_to_dag(
-        include_str!("../../../lenses/dag_shape.dag"),
-        "src/v3/lenses/dag_shape.dag",
-    )
-}
-
-#[test]
-fn lens_carrier_has_locked_six_field_shape() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "Lens").into_iter().collect();
-    let expected: HashSet<&str> = [
-        "name",
-        "read",
-        "sequential",
-        "branch",
-        "iterate",
-        "validate",
-    ]
-    .into_iter()
-    .collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "Lens<C> field set diverged from Director-locked 6-field shape"
-    );
-}
-
-#[test]
-fn e6_g1_stop_receipt_pins_no_bootstrap_lens_value_yet() {
-    let dag = generated_full_bootstrap_dag();
-    let lens = decl_id_by_name(&dag, "Lens");
-    let lens_values: Vec<String> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| decl.value_body.is_some())
-        .filter(|decl| {
-            matches!(
-                &decl.connective,
-                TypeConnective::Instantiation { template, .. } if *template == lens
-            )
-        })
-        .map(|decl| {
-            decl.name
-                .clone()
-                .unwrap_or_else(|| format!("DeclarationId({})", decl.id.raw()))
-        })
-        .collect();
-
-    assert!(
-        lens_values.is_empty(),
-        "E6-G1 must not consume placeholder Lens<C> data values before the \
-         function-valued structural data surface lands; found {lens_values:?}"
-    );
-}
-
-#[test]
-fn diagnostic_kind_widened_to_any_diagnostic_kind() {
-    let dag = generated_full_bootstrap_dag();
-    let any_id = decl_id_by_name(&dag, "AnyDiagnosticKind");
-
-    let diag_decl = dag
-        .declaration_by_name("Diagnostic")
-        .expect("Diagnostic missing from full bootstrap");
-    let kind_field = match &diag_decl.connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .find(|f| f.label == "kind")
-            .expect("Diagnostic missing `kind` field"),
-        other => panic!("Diagnostic is not a Conj: {other:?}"),
-    };
-    assert_eq!(
-        kind_field.ty, any_id,
-        "Diagnostic.kind must point at AnyDiagnosticKind, not the Layer-1 closed sum"
-    );
-}
-
-#[test]
-fn compiler_diagnostic_kind_matches_rust_layer1_authority() {
-    let dag = generated_full_bootstrap_dag();
-    let substrate = disj_variant_labels(&dag, "CompilerDiagnosticKind");
-    let expected: Vec<&str> = LAYER1_DIAGNOSTIC_KIND_LABELS.to_vec();
-    let actual: Vec<&str> = substrate.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "CompilerDiagnosticKind must match `LAYER1_DIAGNOSTIC_KIND_LABELS` in **declaration order** \
-         (same order as `Diagnostic` in diagnostics.rs); a HashSet-only check would miss order \
-         drift; lens-instance kinds use Layer-2 LensInstanceKindWitness (Q6.5 anti-bridge)"
-    );
-}
-
-#[test]
-fn verification_diagnostic_kind_mirrors_compiler_diagnostic_kind() {
-    let dag = generated_full_bootstrap_dag();
-    let compiler = disj_variant_labels(&dag, "CompilerDiagnosticKind");
-    let verification = disj_variant_labels(&dag, "DiagnosticKind");
-    assert_eq!(
-        compiler, verification,
-        "std.verification.DiagnosticKind must mirror std.diagnostics.CompilerDiagnosticKind \
-         (variant labels and order)"
-    );
-}
-
-#[test]
-fn any_diagnostic_kind_has_two_layer_constructors() {
-    let dag = generated_full_bootstrap_dag();
-    let variants: HashSet<String> = disj_variant_labels(&dag, "AnyDiagnosticKind")
-        .into_iter()
-        .collect();
-    let expected: HashSet<&str> = ["CompilerKind", "LensInstanceKind"].into_iter().collect();
-    let actual: HashSet<&str> = variants.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "AnyDiagnosticKind must have exactly two constructors — Layer-1 \
-         CompilerKind(CompilerDiagnosticKind) and Layer-2 \
-         LensInstanceKind(LensInstanceKindWitness)"
-    );
-}
-
-#[test]
-fn lens_instance_kind_witness_payload_intentionally_absent() {
-    // Layer-2 substrate gap receipt (per parent #1130 dispatch + Q6.5
-    // §State-space discipline). Today's .dag grammar cannot express
-    // `payload: <inhabits kind_decl.payload>` — a refinement-type-on-
-    // sibling-field shape. The flat alternative (free `TypeShape`
-    // payload coordinate) ratifies the very illegal state Q6.5 rejects:
-    // `(Lens<TenantFlow>, "WrongName", payload-of-different-shape)`.
-    //
-    // Director-approved option (c): land Layer-2 kind identity and
-    // namespace authority via `LensInstanceKindWitness { kind_decl }`
-    // alone; the structured payload value is intentionally NOT carried
-    // through the substrate until dependent-field typing or substrate
-    // inhabitance witnesses lower without hand-Rust scaffolding.
-    //
-    // This test pins the gap. When that grammar feature lands and
-    // `LensInstanceKindWitness` grows a checked `payload` field, this
-    // test fails loudly and forces the dissolution-trigger comment in
-    // `diagnostics.dag` to retire in lock-step.
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "LensInstanceKindWitness")
-        .into_iter()
-        .collect();
-    let expected: HashSet<&str> = ["kind_decl"].into_iter().collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "LensInstanceKindWitness field set drifted. Adding a `payload` \
-         field is a substantive change — verify the dependent-field \
-         typing trigger in `diagnostics.dag` has actually closed before \
-         landing it (do not pretend payload is enforced via a free \
-         TypeShape coordinate; that is the Q6.5-rejected illegal state)."
-    );
-}
-
-#[test]
-fn dag_shape_report_reuses_reflected_dag_authority() {
-    let dag = dag_shape_dag();
-    let dag_decl = dag.declaration_by_name("Dag").expect("Dag carrier exists");
-    assert!(
-        dag.declaration_by_name("DagShapeReport").is_none(),
-        "raw Dag shape producer must not duplicate std.substrate.Dag as a second report record"
-    );
-    assert_arrow_output(&dag, "dag_shape_report", dag_decl.id);
-}
-
-#[test]
-fn dag_shape_report_public_producer_returns_raw_dag() {
-    let dag = dag_shape_dag();
-    let dag_decl = dag.declaration_by_name("Dag").expect("Dag carrier exists");
-
-    assert_arrow_output(&dag, "dag_shape_report", dag_decl.id);
-    assert!(
-        dag.declaration_by_name("dag_shape_lens").is_none(),
-        "do not author fake Dag shape lens data until whole-Dag lens contract is honest"
-    );
-}
-
-fn assert_arrow_output(dag: &Dag, name: &str, expected: DeclarationId) {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("{name} declaration exists"));
-    let TypeConnective::Arrow { output, body, .. } = &decl.connective else {
-        panic!("{name} must be an Arrow");
-    };
-    assert_eq!(*output, expected, "{name} output drifted");
-    assert!(
-        matches!(body, ArrowBody::UserDefined(_)),
-        "{name} should lower to a user-defined body"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m0_acceptance.rs b/src/v3/compiler/tests/integration/m0_acceptance.rs
deleted file mode 100644
index ca078fbd1bf..00000000000
--- a/src/v3/compiler/tests/integration/m0_acceptance.rs
+++ /dev/null
@@ -1,341 +0,0 @@
-//! **Layer:** integration
-//!
-//! Minimal M0 acceptance receipts.
-//!
-//! This file intentionally keeps only the smallest set of still-distinct
-//! milestone-0 contracts:
-//! - straight-line lowering and inference
-//! - branch lowering and type unification
-//! - bounded self-recursion lowering
-//! - fail-closed semantic diagnostics for representative error classes
-//! - compile-boundary fail-closed behavior
-//! - post-sweep port-state invariants
-
-use crate::common::{
-    cached_compile_any, cached_compile_outcome, cached_compile_to_dag, CachedCompileOutcome,
-};
-use v3_compiler::dag::{
-    literal_bits_int, AtomPayload, Behavior, Dag, LoopBound, PortId, PortState, TransformTarget,
-    TypeConnective,
-};
-use v3_compiler::types::TypeShape;
-use v3_compiler::Diagnostic;
-
-fn primitive_shape(dag: &Dag, name: &str) -> TypeShape {
-    TypeShape::new(
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("primitive `{name}` missing from bootstrap"))
-            .id,
-    )
-}
-
-fn assert_target_name(dag: &Dag, target: &TransformTarget, expected: &str) {
-    let actual = match target {
-        TransformTarget::Callable(id) => {
-            let decl = dag.declaration(*id);
-            match &decl.connective {
-                TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name)) => Some(name.clone()),
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    dag.declaration(*next).name.clone()
-                }
-                _ => decl.name.clone(),
-            }
-        }
-        TransformTarget::UnresolvedFieldProject { field_label } => Some(format!(".{field_label}")),
-        TransformTarget::ResolvedFieldProject { .. } => Some(".<resolved-field>".to_string()),
-        TransformTarget::Operator(op_kind) => Some(v3_compiler::operators::symbol(*op_kind)),
-    };
-    assert_eq!(actual.as_deref(), Some(expected));
-}
-
-fn compile_any(src: &str, file: &str) -> Dag {
-    cached_compile_any(src, file)
-}
-
-fn bind_named<'a>(dag: &'a Dag, name: &str) -> &'a v3_compiler::dag::BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-}
-
-fn expect_unresolved(dag: &Dag, port: PortId) -> &Diagnostic {
-    assert!(
-        matches!(dag.port(port).state(), PortState::Unresolved),
-        "port {port:?} should be unresolved, got {:?}",
-        dag.port(port).state()
-    );
-    dag.diagnostics()
-        .get(port)
-        .unwrap_or_else(|| panic!("unresolved port {port:?} should carry a diagnostic"))
-}
-
-#[test]
-fn let_binding_lowers_to_a_typed_add() {
-    let dag = cached_compile_to_dag("let x = 1 + 2", "m0_let.v3");
-    let bind = bind_named(&dag, "x");
-
-    let add = dag
-        .node(dag.port(bind.value).produced_by.expect("bind producer"))
-        .as_transform()
-        .expect("bind value should come from a Transform");
-    assert_target_name(&dag, &add.target, "+");
-    assert_eq!(add.inputs.len(), 2);
-
-    let lhs = dag
-        .node(dag.port(add.inputs[0]).produced_by.expect("lhs producer"))
-        .as_value()
-        .expect("lhs should be a Value");
-    let rhs = dag
-        .node(dag.port(add.inputs[1]).produced_by.expect("rhs producer"))
-        .as_value()
-        .expect("rhs should be a Value");
-    assert_eq!(lhs.data, literal_bits_int(1));
-    assert_eq!(rhs.data, literal_bits_int(2));
-    assert_eq!(
-        dag.port(bind.value).value_type(),
-        Some(&primitive_shape(&dag, "Int"))
-    );
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn if_expression_lowers_to_a_typed_branch() {
-    let src = "let x = 5\nlet result = if x > 0 then 1 else 2";
-    let dag = cached_compile_to_dag(src, "m0_if.v3");
-    let bind = bind_named(&dag, "result");
-
-    let branch = dag
-        .node(dag.port(bind.value).produced_by.expect("bind producer"))
-        .as_branch()
-        .expect("bind value should come from a Branch");
-    assert_eq!(branch.paths.len(), 2);
-
-    let cmp = dag
-        .node(
-            dag.port(branch.input)
-                .produced_by
-                .expect("condition producer"),
-        )
-        .as_transform()
-        .expect("branch input should come from a Transform");
-    assert_target_name(&dag, &cmp.target, ">");
-    assert_eq!(
-        dag.port(branch.input).value_type(),
-        Some(&primitive_shape(&dag, "Bool"))
-    );
-    assert_eq!(
-        dag.port(branch.output).value_type(),
-        Some(&primitive_shape(&dag, "Int"))
-    );
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn numeric_recursion_lowers_to_a_bounded_loop() {
-    let src = "fn count_down(n: Int) -> Int = if n == 0 then 0 else n + count_down(n - 1)\nlet answer = count_down(3)";
-    let dag = cached_compile_to_dag(src, "m0_loop.v3");
-
-    let count_down = bind_named(&dag, "count_down");
-    assert_eq!(count_down.params.len(), 1);
-    let param_port = count_down.params[0];
-
-    let loop_node = dag
-        .node(
-            dag.port(count_down.value)
-                .produced_by
-                .expect("loop producer"),
-        )
-        .as_loop()
-        .expect("recursive bind should lower through Loop");
-    assert!(matches!(
-        loop_node.bound,
-        LoopBound::Cardinality { count } if count == param_port
-    ));
-
-    let answer = bind_named(&dag, "answer");
-    let call = dag
-        .node(dag.port(answer.value).produced_by.expect("call producer"))
-        .as_transform()
-        .expect("call site should lower to Transform");
-    assert_target_name(&dag, &call.target, "count_down");
-    assert_eq!(call.inputs.len(), 1);
-    assert_eq!(
-        dag.port(answer.value).value_type(),
-        Some(&primitive_shape(&dag, "Int"))
-    );
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn recursive_body_signature_mismatch_poisons_the_function_and_call_site() {
-    let src = "fn bad(n: Int) -> Bool = if n == 0 then 0 else bad(n - 1)\nlet x = bad(5)";
-    let dag = compile_any(src, "m0_recursive_body_signature_mismatch.v3");
-    let bad_bind = bind_named(&dag, "bad");
-    let x_bind = bind_named(&dag, "x");
-
-    assert!(matches!(
-        dag.port(bad_bind.value).state(),
-        PortState::Unresolved
-    ));
-    assert!(matches!(
-        dag.port(x_bind.value).state(),
-        PortState::Unresolved
-    ));
-    assert!(
-        dag.diagnostics().contains(bad_bind.value),
-        "poisoned function should carry a diagnostic"
-    );
-    assert!(
-        dag.diagnostics().contains(x_bind.value),
-        "poisoned call site should carry a diagnostic"
-    );
-}
-
-#[test]
-fn growing_recursive_argument_is_rejected() {
-    let dag = compile_any("fn f(n: Int) -> Int = f(n + 1)", "m0_growing_recursion.v3");
-    let bind = bind_named(&dag, "f");
-
-    match expect_unresolved(&dag, bind.value) {
-        Diagnostic::ResolveError { name, .. } => {
-            assert!(
-                name.contains("cannot prove recursion in `f` terminates"),
-                "expected termination diagnostic, got {name:?}"
-            );
-        }
-        other => panic!("expected ResolveError for growing recursion, got {other:?}"),
-    }
-}
-
-#[test]
-fn type_annotation_does_not_resurrect_an_unresolved_port() {
-    let dag = compile_any("let x: Bool = y", "m0_annotation_after_resolve_error.v3");
-    let bind = bind_named(&dag, "x");
-
-    match expect_unresolved(&dag, bind.value) {
-        Diagnostic::ResolveError { name, .. } => assert_eq!(name, "y"),
-        other => panic!("expected ResolveError for annotated unresolved binding, got {other:?}"),
-    }
-}
-
-#[test]
-fn compile_boundary_is_fail_closed() {
-    assert!(cached_compile_outcome("let x = 1 + 2", "m0_ok.v3").is_clean());
-    assert!(matches!(
-        cached_compile_outcome("let x: Bool = 1", "m0_type_mismatch.v3"),
-        CachedCompileOutcome::Semantic(_)
-    ));
-    assert!(matches!(
-        cached_compile_outcome("let y = x\nlet x = 1", "m0_forward_ref.v3"),
-        CachedCompileOutcome::Semantic(_)
-    ));
-    assert!(matches!(
-        cached_compile_outcome("fn f(a: Int) -> Int = a\nlet x = f(1, 2)", "m0_arity.v3"),
-        CachedCompileOutcome::Semantic(_)
-    ));
-}
-
-#[test]
-fn post_sweep_port_state_matches_diagnostic_table() {
-    let sources = [
-        "let x = 1 + 2",
-        "let x = 5\nlet result = if x > 0 then 1 else 2",
-        "fn count_down(n: Int) -> Int = if n == 0 then 0 else n + count_down(n - 1)\nlet answer = count_down(3)",
-        "let x: Bool = 1",
-        "let y = x\nlet x = 1",
-        "let x: Bool = y",
-        "fn f(a: Int) -> Int = a\nlet x = f(1, 2)",
-        "fn f(a: Int) -> Bool = 1\nlet x = f(1)",
-        "fn f(n: Int) -> Int = f(n + 1)",
-        "fn bad(n: Int) -> Bool = if n == 0 then 0 else bad(n - 1)\nlet x = bad(5)",
-        "let x: NotARealType = 1",
-    ];
-
-    for src in sources {
-        let dag = compile_any(src, "m0_invariant.v3");
-        for port in dag.all_ports() {
-            match port.state() {
-                PortState::Uninferred => {
-                    panic!(
-                        "port {:?} is Uninferred after compile in source {src:?}",
-                        port.id()
-                    );
-                }
-                PortState::Resolved(_) => {
-                    assert!(
-                        !dag.diagnostics().contains(port.id()),
-                        "Resolved port {:?} has a diagnostic entry in source {src:?}",
-                        port.id(),
-                    );
-                }
-                PortState::Unresolved => {
-                    assert!(
-                        dag.diagnostics().contains(port.id()),
-                        "Unresolved port {:?} has no diagnostic entry in source {src:?}",
-                        port.id(),
-                    );
-                }
-            }
-        }
-    }
-}
-
-#[test]
-fn type_mismatch_marks_the_binding_unresolved() {
-    let dag = compile_any("let x: Bool = 1", "m0_type_mismatch.v3");
-    let bind = bind_named(&dag, "x");
-    match expect_unresolved(&dag, bind.value) {
-        Diagnostic::TypeMismatch {
-            expected, actual, ..
-        } => {
-            assert_eq!(*expected, primitive_shape(&dag, "Bool"));
-            assert_eq!(*actual, primitive_shape(&dag, "Int"));
-        }
-        other => panic!("expected TypeMismatch, got {other:?}"),
-    }
-}
-
-#[test]
-fn forward_reference_marks_the_binding_unresolved() {
-    let dag = compile_any("let y = x\nlet x = 1", "m0_forward_ref.v3");
-    let bind = bind_named(&dag, "y");
-
-    match expect_unresolved(&dag, bind.value) {
-        Diagnostic::ResolveError { name, .. } => assert_eq!(name, "x"),
-        other => panic!("expected ResolveError for forward reference, got {other:?}"),
-    }
-}
-
-#[test]
-fn arity_mismatch_marks_the_call_unresolved() {
-    let dag = compile_any("fn f(a: Int) -> Int = a\nlet x = f(1, 2)", "m0_arity.v3");
-    let bind = bind_named(&dag, "x");
-
-    match expect_unresolved(&dag, bind.value) {
-        Diagnostic::ArityMismatch {
-            function,
-            expected,
-            actual,
-            ..
-        } => {
-            assert_eq!(function, "f");
-            assert_eq!(*expected, 1);
-            assert_eq!(*actual, 2);
-        }
-        other => panic!("expected ArityMismatch, got {other:?}"),
-    }
-}
-
-#[test]
-fn unknown_type_annotation_is_rejected() {
-    let dag = compile_any("let x: NotARealType = 1", "m0_unknown_type.v3");
-    let bind = bind_named(&dag, "x");
-
-    match expect_unresolved(&dag, bind.value) {
-        Diagnostic::ResolveError { name, .. } => assert_eq!(name, "unknown type `NotARealType`"),
-        other => panic!("expected ResolveError for unknown type, got {other:?}"),
-    }
-}
diff --git a/src/v3/compiler/tests/integration/m1_3_lens_cost_test.rs b/src/v3/compiler/tests/integration/m1_3_lens_cost_test.rs
deleted file mode 100644
index 5ceef3879fa..00000000000
--- a/src/v3/compiler/tests/integration/m1_3_lens_cost_test.rs
+++ /dev/null
@@ -1,121 +0,0 @@
-// M1(3) PR-B — cost lens integration receipts.
-//
-// Structural direct-Dag cases live in in-crate unit tests so they can
-// use the crate-private builder surface without widening the public API.
-// This file keeps only compile-path receipts that still need real
-// lowering or stdlib callable wiring. Direct-Dag structural claims
-// such as branch max-vs-sum behavior live in `src/lib.rs::lens_cost::tests`.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Behavior, PortId};
-use v3_compiler::lens_cost::cost_of;
-
-fn find_bind_value(dag: &v3_compiler::dag::Dag, name: &str) -> PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|b| b.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-fn expect_cost(dag: &v3_compiler::dag::Dag, port: PortId) -> usize {
-    crate::common::require_fixture_cost_usize(cost_of(dag, &port), &format!("port {port:?}"))
-}
-
-fn bind_cost(dag: &v3_compiler::dag::Dag, name: &str) -> usize {
-    expect_cost(dag, find_bind_value(dag, name))
-}
-
-#[test]
-fn kf_1_recursive_function_has_nonzero_cost() {
-    let literal = compile_to_dag("fn constant(n: Int) -> Int = 0", "kf_1_constant.v3")
-        .expect("literal-bodied function compiles");
-    let recursive = compile_to_dag(
-        "\
-fn countdown(n: Int) -> Int =
-  if n == 0 then 0 else countdown(n - 1)
-",
-        "kf_1_recursive.v3",
-    )
-    .expect("recursive function compiles");
-
-    let literal_cost = bind_cost(&literal, "constant");
-    let recursive_cost = bind_cost(&recursive, "countdown");
-
-    assert!(
-        recursive_cost > literal_cost,
-        "recursive function should cost more structurally than a literal body: literal={literal_cost}, recursive={recursive_cost}"
-    );
-}
-
-#[test]
-fn kf_1_nested_fold_costs_more_than_flat_fold() {
-    let flat = compile_to_dag(
-        "let total: Int = fold(singleton(1), 0, |acc, x| acc + x)",
-        "kf_1_flat_fold.v3",
-    )
-    .expect("flat fold compiles");
-    let nested = compile_to_dag(
-        "let total: Int = fold(map(singleton(1), |x| x + 1), 0, |acc, x| acc + x)",
-        "kf_1_nested_fold.v3",
-    )
-    .expect("nested fold compiles");
-
-    let flat_cost = bind_cost(&flat, "total");
-    let nested_cost = bind_cost(&nested, "total");
-
-    assert!(
-        nested_cost > flat_cost,
-        "nested fold should cost more structurally than flat fold: flat={flat_cost}, nested={nested_cost}"
-    );
-}
-
-#[test]
-#[ignore = "blocked on lambda-aware higher-order cost attribution in CostLens"]
-fn kf_1_lambda_body_cost_contributes_to_fold() {
-    let simple = compile_to_dag(
-        "let total: Int = fold(singleton(1), 0, |acc, x| acc + x)",
-        "kf_1_fold_lambda_simple.v3",
-    )
-    .expect("simple fold compiles");
-    let richer = compile_to_dag(
-        "let total: Int = fold(singleton(1), 0, |acc, x| acc + x + x)",
-        "kf_1_fold_lambda_richer.v3",
-    )
-    .expect("richer fold compiles");
-
-    let simple_cost = bind_cost(&simple, "total");
-    let richer_cost = bind_cost(&richer, "total");
-
-    assert!(
-        richer_cost > simple_cost,
-        "a larger lambda body should increase enclosing fold cost: simple={simple_cost}, richer={richer_cost}"
-    );
-}
-
-#[test]
-fn kf_1_list_operation_cost_ordering() {
-    let singleton =
-        compile_to_dag("let xs = singleton(1)", "kf_1_singleton.v3").expect("singleton compiles");
-    let cons =
-        compile_to_dag("let xs = cons(1, singleton(2))", "kf_1_cons.v3").expect("cons compiles");
-    let fold = compile_to_dag(
-        "let total: Int = fold(cons(1, singleton(2)), 0, |acc, x| acc + x)",
-        "kf_1_fold.v3",
-    )
-    .expect("fold compiles");
-
-    let singleton_cost = bind_cost(&singleton, "xs");
-    let cons_cost = bind_cost(&cons, "xs");
-    let fold_cost = bind_cost(&fold, "total");
-
-    assert!(
-        cons_cost > singleton_cost,
-        "cons should cost more structurally than singleton: singleton={singleton_cost}, cons={cons_cost}"
-    );
-    assert!(
-        fold_cost > cons_cost,
-        "fold should cost more structurally than cons: cons={cons_cost}, fold={fold_cost}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m1_3_lens_unused_parameters_test.rs b/src/v3/compiler/tests/integration/m1_3_lens_unused_parameters_test.rs
deleted file mode 100644
index 9089294560a..00000000000
--- a/src/v3/compiler/tests/integration/m1_3_lens_unused_parameters_test.rs
+++ /dev/null
@@ -1,75 +0,0 @@
-// M1(3) — lens_unused_parameters integration receipts.
-//
-// Structural direct-Dag cases live in in-crate unit tests so they can
-// use the crate-private builder surface without widening the public API.
-// This file keeps receipts that still need real source parsing or
-// lowering to reach the behavior under test. The in-crate unit tests
-// cover direct-Dag structural walks; recursive source examples stay
-// here because they are the lowering receipts for Loop.body reachability.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::lens_unused_parameters::{UnusedParametersConfig, UnusedParametersLens};
-
-fn unused_parameter_indexes_for_source(source: &str, file: &str) -> Vec<usize> {
-    let dag = compile_to_dag(source, file).expect("compiles");
-    let lens = UnusedParametersLens::new(&dag);
-    let mut indexes: Vec<_> = lens
-        .query(&UnusedParametersConfig::default())
-        .into_iter()
-        .map(|violation| violation.parameter_index)
-        .collect();
-    indexes.sort_unstable();
-    indexes
-}
-
-#[test]
-fn unused_params_canonical_target_blocked_on_parser_gaps() {
-    let src = "\
-fn content_upsert(content: String, path: String) -> { written: Bool } {
-  let matches = content == \"\"
-  { written: !matches }
-}
-";
-    let result = compile_to_dag(src, "patterns.v3");
-
-    assert!(
-        result.is_err(),
-        "v3 unexpectedly parsed content_upsert verbatim; flip this test to a positive assertion"
-    );
-}
-
-#[test]
-fn unused_params_catches_content_upsert_synthetic_equivalent() {
-    assert_eq!(
-        unused_parameter_indexes_for_source(
-            "fn content_upsert(content: Int, path: Int) -> Int = content + 0",
-            "patterns_synthetic.v3",
-        ),
-        vec![1],
-        "the synthetic content_upsert shape should report only the ignored second parameter"
-    );
-}
-
-#[test]
-fn unused_params_descends_into_loop_body_for_recursive_calls() {
-    let src = "fn count_down(n: Int, base: Int) -> Int = \
-        if n == 0 then base else count_down(n - 1, base)";
-
-    assert_eq!(
-        unused_parameter_indexes_for_source(src, "recursive.v3"),
-        Vec::<usize>::new(),
-        "recursive source should keep both parameters reachable through the lowered Loop.body"
-    );
-}
-
-#[test]
-fn unused_params_loop_body_descent_finds_param_only_used_in_recursion() {
-    let src = "fn count_down(n: Int, marker: Int) -> Int = \
-        if n == 0 then 0 else count_down(n - 1, marker)";
-
-    assert_eq!(
-        unused_parameter_indexes_for_source(src, "loop_body_descent.v3"),
-        Vec::<usize>::new(),
-        "parameters referenced only through the lowered recursive case should still count as used"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m1_5_omni_shape_b_openapi_test.rs b/src/v3/compiler/tests/integration/m1_5_omni_shape_b_openapi_test.rs
deleted file mode 100644
index 99de58c8425..00000000000
--- a/src/v3/compiler/tests/integration/m1_5_omni_shape_b_openapi_test.rs
+++ /dev/null
@@ -1,861 +0,0 @@
-//! **Layer:** integration
-//!
-//! Brief #2219 receipt: one lowered endpoint-bearing fixture feeds the Shape B
-//! OpenAPI 3.1 YAML projection, the Shape B Markdown drift-lock projection, the
-//! canonical route projection used as the interim backend exposure set, and (for
-//! gate **`omni_layers_share_one_node_tree`**) Shape A Rust emission via
-//! **`emit_rust`**. The cross-target equality test is interim until a
-//! cross-target TestPredicate variant exists.
-
-use std::collections::{BTreeMap, BTreeSet};
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-use std::sync::atomic::{AtomicUsize, Ordering};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::HttpMethodScalar;
-use v3_compiler::emit_rust::emit_rust;
-use v3_compiler::omni_shape_b_openapi::{
-    extract_rest_routes, project_markdown_documentation, project_openapi_yaml,
-    project_rust_backend_service, project_sql_ddl_schema, RestRoute,
-};
-
-static BACKEND_ROUNDTRIP_ID: AtomicUsize = AtomicUsize::new(0);
-
-const OMNI_SERVICE_FIXTURE: &str = r#"
-module t.openapi_demo
-
-import std.types { GET, POST, Int }
-import std.effects { PathTemplate, LiteralToken, ParamToken }
-import v3.std.services { RestEndpointBinding }
-
-let omni_emit_anchor: Int = 0
-
-type DemoOperation {
-  endpoint: RestEndpointBinding
-}
-
-type NotAServiceOperation {
-  endpoint: String
-}
-
-type MimicEndpointBinding {
-  method: HttpMethod
-  path:   PathTemplate
-}
-
-type MimicServiceOperation {
-  endpoint: MimicEndpointBinding
-}
-
-data omni_service_operations: List<DemoOperation> = [
-  {
-    endpoint: {
-      method: GET,
-      path: { tokens: [LiteralToken { text: "users" }] }
-    }
-  },
-  {
-    endpoint: {
-      method: POST,
-      path: { tokens: [LiteralToken { text: "users" }] }
-    }
-  },
-  {
-    endpoint: {
-      method: GET,
-      path: {
-        tokens: [LiteralToken { text: "users/" }, ParamToken { name: "id" }]
-      }
-    }
-  },
-  {
-    endpoint: {
-      method: GET,
-      path: {
-        tokens: [
-          LiteralToken { text: "orgs/" },
-          ParamToken { name: "org" },
-          LiteralToken { text: "/repos/" },
-          ParamToken { name: "repo" }
-        ]
-      }
-    }
-  },
-  {
-    endpoint: {
-      method: POST,
-      path: {
-        tokens: [
-          LiteralToken { text: "secrets/" },
-          ParamToken { name: "secret_name" },
-          LiteralToken { text: ":addVersion" }
-        ]
-      }
-    }
-  },
-  {
-    endpoint: {
-      method: GET,
-      path: { tokens: [LiteralToken { text: "a-b" }] }
-    }
-  },
-  {
-    endpoint: {
-      method: GET,
-      path: { tokens: [LiteralToken { text: "a_b" }] }
-    }
-  }
-]
-
-data non_service_endpoint_rows: List<NotAServiceOperation> = [
-  { endpoint: "not a route" }
-]
-
-data same_shape_non_service_rows: List<MimicServiceOperation> = [
-  {
-    endpoint: {
-      method: GET,
-      path: { tokens: [LiteralToken { text: "same-shape-but-not-service" }] }
-    }
-  }
-]
-"#;
-
-const EMPTY_OMNI_SERVICE_FIXTURE: &str = r#"
-module t.openapi_empty_demo
-
-import std.types { Int }
-
-let omni_emit_anchor: Int = 0
-"#;
-
-const TODO_SERVICE_REPOSITORY_SOURCE: &str =
-    include_str!("../../../../../dsl/demos/todo_service.dag");
-
-fn compile_omni_service_fixture() -> v3_compiler::Dag {
-    std::thread::Builder::new()
-        .name("m1_5_openapi_fixture_compile".to_string())
-        .stack_size(32 * 1024 * 1024)
-        .spawn(|| {
-            compile_to_dag(
-                OMNI_SERVICE_FIXTURE,
-                "m1_5_omni_shape_b_openapi_fixture.dag",
-            )
-            .expect("Shape B OpenAPI demo fixture compiles")
-        })
-        .expect("spawn larger-stack compile thread")
-        .join()
-        .expect("larger-stack compile thread completes")
-}
-
-fn compile_empty_omni_service_fixture() -> v3_compiler::Dag {
-    std::thread::Builder::new()
-        .name("m1_5_empty_openapi_fixture_compile".to_string())
-        .stack_size(32 * 1024 * 1024)
-        .spawn(|| {
-            compile_to_dag(
-                EMPTY_OMNI_SERVICE_FIXTURE,
-                "m1_5_omni_shape_b_empty_fixture.dag",
-            )
-            .expect("empty Shape B demo fixture compiles")
-        })
-        .expect("spawn larger-stack compile thread")
-        .join()
-        .expect("larger-stack compile thread completes")
-}
-
-fn compile_todo_service_repository_fixture() -> v3_compiler::Dag {
-    std::thread::Builder::new()
-        .name("m1_5_todo_service_repository_compile".to_string())
-        .stack_size(32 * 1024 * 1024)
-        .spawn(|| {
-            compile_to_dag(TODO_SERVICE_REPOSITORY_SOURCE, "dsl/demos/todo_service.dag")
-                .expect("repository todo_service.dag demo compiles")
-        })
-        .expect("spawn larger-stack compile thread")
-        .join()
-        .expect("larger-stack compile thread completes")
-}
-
-fn compile_todo_service_repository_fixture_counted(count: &mut usize) -> v3_compiler::Dag {
-    *count += 1;
-    compile_todo_service_repository_fixture()
-}
-
-fn expected_todo_service_routes() -> BTreeSet<RestRoute> {
-    BTreeSet::from([
-        RestRoute {
-            method: HttpMethodScalar::Delete,
-            path: "/todos/{todoId}".to_string(),
-            path_parameters: vec!["todoId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Delete,
-            path: "/users/{userId}".to_string(),
-            path_parameters: vec!["userId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/lists/{listId}".to_string(),
-            path_parameters: vec!["listId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/todos/{todoId}".to_string(),
-            path_parameters: vec!["todoId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/users".to_string(),
-            path_parameters: vec![],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/users/{userId}".to_string(),
-            path_parameters: vec!["userId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/users/{userId}/todos".to_string(),
-            path_parameters: vec!["userId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Patch,
-            path: "/todos/{todoId}".to_string(),
-            path_parameters: vec!["todoId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Post,
-            path: "/lists/{listId}/todos".to_string(),
-            path_parameters: vec!["listId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Post,
-            path: "/users".to_string(),
-            path_parameters: vec![],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Post,
-            path: "/users/{userId}/todos".to_string(),
-            path_parameters: vec!["userId".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Put,
-            path: "/users/{userId}".to_string(),
-            path_parameters: vec!["userId".to_string()],
-        },
-    ])
-}
-
-fn expected_routes() -> BTreeSet<RestRoute> {
-    BTreeSet::from([
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/users".to_string(),
-            path_parameters: vec![],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/users/{id}".to_string(),
-            path_parameters: vec!["id".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/orgs/{org}/repos/{repo}".to_string(),
-            path_parameters: vec!["org".to_string(), "repo".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Post,
-            path: "/secrets/{secret_name}:addVersion".to_string(),
-            path_parameters: vec!["secret_name".to_string()],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/a-b".to_string(),
-            path_parameters: vec![],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Get,
-            path: "/a_b".to_string(),
-            path_parameters: vec![],
-        },
-        RestRoute {
-            method: HttpMethodScalar::Post,
-            path: "/users".to_string(),
-            path_parameters: vec![],
-        },
-    ])
-}
-
-struct TmpDir(PathBuf);
-
-impl TmpDir {
-    fn new() -> Self {
-        let id = BACKEND_ROUNDTRIP_ID.fetch_add(1, Ordering::Relaxed);
-        let path = std::env::temp_dir().join(format!(
-            "v3_omni_openapi_backend_{}_{}",
-            std::process::id(),
-            id
-        ));
-        std::fs::create_dir_all(&path).expect("create backend temp dir");
-        TmpDir(path)
-    }
-
-    fn path(&self) -> &Path {
-        &self.0
-    }
-}
-
-impl Drop for TmpDir {
-    fn drop(&mut self) {
-        let _ = std::fs::remove_dir_all(&self.0);
-    }
-}
-
-fn compile_backend_service(source: &str) -> (TmpDir, PathBuf) {
-    let tmp_dir = TmpDir::new();
-    let src_path = tmp_dir.path().join("omni_backend.rs");
-    let bin_path = tmp_dir.path().join("omni_backend");
-    std::fs::write(&src_path, source).expect("write generated backend service");
-    // P5 bridge bound: this direct rustc invocation retires through the queued
-    // brief `docs/briefs/r3-omni-openapi-backend-bridge-dissolution.md`.
-    let compile = Command::new("rustc")
-        .env_remove("RUSTC_BOOTSTRAP")
-        .arg("--edition=2021")
-        .arg(&src_path)
-        .arg("-o")
-        .arg(&bin_path)
-        .stdout(Stdio::inherit())
-        .stderr(Stdio::inherit())
-        .status()
-        .expect("invoke rustc for generated backend service");
-    assert!(
-        compile.success(),
-        "rustc failed on generated backend service:\n{source}"
-    );
-    (tmp_dir, bin_path)
-}
-
-fn backend_probe(bin_path: &Path, method: &str, path: &str) -> String {
-    let output = Command::new(bin_path)
-        .arg("--probe")
-        .arg(method)
-        .arg(path)
-        .output()
-        .expect("run generated backend probe");
-    assert!(
-        output.status.success(),
-        "generated backend probe exits zero"
-    );
-    String::from_utf8_lossy(&output.stdout).trim().to_string()
-}
-
-fn openapi_yaml_routes(yaml: &str) -> BTreeSet<RestRoute> {
-    let mut routes: BTreeMap<(HttpMethodScalar, String), BTreeSet<String>> = BTreeMap::new();
-    let mut current_path: Option<String> = None;
-    let mut current_route: Option<(HttpMethodScalar, String)> = None;
-    for line in yaml.lines() {
-        if let Some(path) = line.strip_prefix("  '").and_then(|s| s.strip_suffix("':")) {
-            current_path = Some(path.replace("''", "'"));
-            current_route = None;
-            continue;
-        }
-        for method in ["get", "post", "put", "patch", "delete", "head", "options"] {
-            if line == format!("    {method}:") {
-                let route = (
-                    HttpMethodScalar::from_token(&method.to_ascii_uppercase())
-                        .expect("OpenAPI parser recognizes emitted HTTP method"),
-                    current_path
-                        .clone()
-                        .expect("method appears under a path in emitted YAML"),
-                );
-                routes.entry(route.clone()).or_default();
-                current_route = Some(route);
-            }
-        }
-        if let Some(parameter) = line
-            .strip_prefix("        - name: ")
-            .or_else(|| line.strip_prefix("          name: "))
-        {
-            let route = current_route
-                .as_ref()
-                .expect("parameter appears under an operation");
-            routes
-                .get_mut(route)
-                .expect("route exists before parameter")
-                .insert(yaml_scalar_value(parameter));
-        }
-    }
-    routes
-        .into_iter()
-        .map(|((method, path), parameters)| RestRoute {
-            method,
-            path,
-            path_parameters: parameters.into_iter().collect(),
-        })
-        .collect()
-}
-
-fn markdown_documentation_routes(markdown: &str) -> BTreeSet<RestRoute> {
-    markdown
-        .lines()
-        // The separator row is filtered here; the header row is skipped below
-        // after splitting so malformed data rows still surface through shape.
-        .filter(|line| line.starts_with("| ") && !line.starts_with("| ---"))
-        .filter_map(|line| {
-            let cells: Vec<_> = markdown_table_cells(line)
-                .into_iter()
-                .map(|cell| cell.trim().to_string())
-                .collect();
-            if cells.len() != 3 || cells[0] == "Method" {
-                return None;
-            }
-            let path = markdown_code_cell_value(&cells[1]);
-            let path_parameters = if cells[2] == "_none_" {
-                vec![]
-            } else {
-                cells[2].split(", ").map(markdown_code_cell_value).collect()
-            };
-            Some(RestRoute {
-                method: HttpMethodScalar::from_token(
-                    &cells[0].replace("\\|", "|").replace("\\\\", "\\"),
-                )
-                .expect("Markdown parser recognizes emitted HTTP method"),
-                path,
-                path_parameters,
-            })
-        })
-        .collect()
-}
-
-fn sql_ddl_routes(sql: &str) -> BTreeSet<RestRoute> {
-    sql.lines()
-        .filter_map(|line| {
-            let line = line.trim();
-            let row = line.strip_prefix('(')?;
-            let row = row.strip_suffix("),").or_else(|| row.strip_suffix(");"))?;
-            let (method, path) = parse_sql_route_row(row);
-            Some(RestRoute {
-                method: HttpMethodScalar::from_token(&method)
-                    .expect("SQL parser recognizes emitted HTTP method"),
-                path,
-                path_parameters: vec![],
-            })
-        })
-        .collect()
-}
-
-fn parse_sql_route_row(row: &str) -> (String, String) {
-    let mut chars = row.chars().peekable();
-    let method = parse_sql_string(&mut chars);
-    assert_eq!(chars.next(), Some(','));
-    assert_eq!(chars.next(), Some(' '));
-    let path = parse_sql_string(&mut chars);
-    assert!(
-        chars.next().is_none(),
-        "SQL route row contains exactly two string values"
-    );
-    (method, path)
-}
-
-fn parse_sql_string(chars: &mut std::iter::Peekable<std::str::Chars<'_>>) -> String {
-    assert_eq!(chars.next(), Some('\''));
-    let mut value = String::new();
-    while let Some(ch) = chars.next() {
-        if ch == '\'' {
-            if chars.peek() == Some(&'\'') {
-                value.push('\'');
-                chars.next();
-            } else {
-                return value;
-            }
-        } else {
-            value.push(ch);
-        }
-    }
-    panic!("unterminated SQL string literal");
-}
-
-fn markdown_code_cell_value(cell: &str) -> String {
-    let delimiter_len = cell.chars().take_while(|ch| *ch == '`').count();
-    assert!(delimiter_len > 0, "Markdown code cell is code-formatted");
-    let delimiter = "`".repeat(delimiter_len);
-    let inner = cell
-        .strip_prefix(&delimiter)
-        .and_then(|inner| inner.strip_suffix(&delimiter))
-        .expect("Markdown code cell has matching delimiter");
-    let unpadded = inner
-        .strip_prefix(' ')
-        .and_then(|candidate| candidate.strip_suffix(' '))
-        .filter(|candidate| candidate.starts_with('`') || candidate.ends_with('`'))
-        .unwrap_or(inner);
-    unpadded.replace("\\|", "|")
-}
-
-fn markdown_table_cells(line: &str) -> Vec<String> {
-    let mut cells = Vec::new();
-    let mut current = String::new();
-    let mut chars = line
-        .strip_prefix('|')
-        .and_then(|inner| inner.strip_suffix('|'))
-        .expect("Markdown table row has edge delimiters")
-        .chars()
-        .peekable();
-    while let Some(ch) = chars.next() {
-        match ch {
-            '\\' if chars.peek() == Some(&'|') => {
-                current.push('\\');
-                current.push(chars.next().expect("peeked pipe exists"));
-            }
-            '|' => {
-                cells.push(current);
-                current = String::new();
-            }
-            other => current.push(other),
-        }
-    }
-    cells.push(current);
-    cells
-}
-
-fn yaml_scalar_value(value: &str) -> String {
-    if let Some(single_quoted) = value
-        .strip_prefix('\'')
-        .and_then(|inner| inner.strip_suffix('\''))
-    {
-        return single_quoted.replace("''", "'");
-    }
-    if let Some(double_quoted) = value
-        .strip_prefix('"')
-        .and_then(|inner| inner.strip_suffix('"'))
-    {
-        return double_quoted
-            .replace("\\n", "\n")
-            .replace("\\r", "\r")
-            .replace("\\t", "\t")
-            .replace("\\\"", "\"")
-            .replace("\\\\", "\\");
-    }
-    value.to_string()
-}
-
-#[test]
-fn markdown_documentation_parser_round_trips_escaped_table_cells() {
-    let markdown = concat!(
-        "# GunBC generated service\n\n",
-        "| Method | Path | Path parameters |\n",
-        "| --- | --- | --- |\n",
-        "| GET | ``/a\\|b\\c`d`` | `p\\|q`, ``r\\s`t`` |\n",
-        "| POST | `\\bare` | `` `edge `` |\n",
-    );
-
-    assert_eq!(
-        markdown_documentation_routes(markdown),
-        BTreeSet::from([
-            RestRoute {
-                method: HttpMethodScalar::Get,
-                path: "/a|b\\c`d".to_string(),
-                path_parameters: vec!["p|q".to_string(), "r\\s`t".to_string()],
-            },
-            RestRoute {
-                method: HttpMethodScalar::Post,
-                path: "\\bare".to_string(),
-                path_parameters: vec!["`edge".to_string()],
-            }
-        ])
-    );
-}
-
-fn compile_omni_service_fixture_counted(count: &mut usize) -> v3_compiler::Dag {
-    *count += 1;
-    compile_omni_service_fixture()
-}
-
-#[test]
-fn omni_layers_share_one_node_tree() {
-    let mut compile_count = 0;
-    let dag = compile_omni_service_fixture_counted(&mut compile_count);
-
-    let _canonical_routes = extract_rest_routes(&dag).expect("canonical route projection extracts");
-    let _openapi = project_openapi_yaml(&dag).expect("Shape B OpenAPI projects from shared DAG");
-    let _backend =
-        project_rust_backend_service(&dag).expect("backend service projects from shared DAG");
-    let _markdown =
-        project_markdown_documentation(&dag).expect("Shape B Markdown projects from shared DAG");
-    let _sql = project_sql_ddl_schema(&dag).expect("Shape B SQL DDL projects from shared DAG");
-    let _rust = emit_rust(&dag).expect("Shape A Rust emit consumes shared DAG");
-
-    assert_eq!(
-        compile_count, 1,
-        "Shape A + Shape B layers must consume the same compile_to_dag result \
-         (routes + OpenAPI + backend + Markdown + SQL DDL + emit_rust); recompiling per layer would \
-         break the structural-fold receipt."
-    );
-}
-
-#[test]
-fn shape_b_openapi_projection_produces_3_1_yaml_for_rest_operations() {
-    let dag = compile_omni_service_fixture();
-    let yaml = project_openapi_yaml(&dag).expect("OpenAPI YAML projects");
-
-    assert!(yaml.starts_with("openapi: 3.1.0\n"));
-    assert!(yaml.contains("  '/users':\n"));
-    assert!(yaml.contains("    get:\n"));
-    assert!(yaml.contains("    post:\n"));
-    assert!(yaml.contains("  '/users/{id}':\n"));
-    assert!(yaml.contains("  '/orgs/{org}/repos/{repo}':\n"));
-    assert!(yaml.contains("  '/secrets/{secret_name}:addVersion':\n"));
-    assert!(yaml.contains("      operationId: get_a_x2D_b\n"));
-    assert!(yaml.contains("      operationId: get_a_x5F_b\n"));
-    assert_eq!(yaml.matches("  '/users':\n").count(), 1);
-    assert!(yaml.contains("      parameters:\n        - name: \"id\"\n          in: path\n          required: true\n          schema:\n            type: string\n"));
-    assert!(yaml.contains("        - name: \"org\"\n          in: path\n          required: true\n          schema:\n            type: string\n        - name: \"repo\"\n          in: path\n          required: true\n          schema:\n            type: string\n"));
-    assert_eq!(openapi_yaml_routes(&yaml), expected_routes());
-}
-
-#[test]
-fn openapi_routes_match_canonical_dag_routes_interim() {
-    let dag = compile_omni_service_fixture();
-
-    // Interim until cross-target TestPredicate exists: both projections are
-    // extracted from the same compiled DAG and compared here in `tests/`.
-    // Rust target does not yet expose a structured route projection, so this
-    // shared DAG extraction is the canonical backend exposure set for Brief #1.
-    let canonical_routes = extract_rest_routes(&dag).expect("canonical route projection extracts");
-    let openapi_routes =
-        openapi_yaml_routes(&project_openapi_yaml(&dag).expect("OpenAPI YAML projects"));
-
-    assert_eq!(canonical_routes, expected_routes());
-    assert_eq!(openapi_routes, canonical_routes);
-}
-
-#[test]
-fn omni_openapi_backend_emission_demo_generates_runnable_matching_backend() {
-    let dag = compile_omni_service_fixture();
-
-    let canonical_routes = extract_rest_routes(&dag).expect("canonical route projection extracts");
-    let openapi_routes =
-        openapi_yaml_routes(&project_openapi_yaml(&dag).expect("OpenAPI YAML projects"));
-    let backend_source =
-        project_rust_backend_service(&dag).expect("backend service projects from shared DAG");
-    let (_tmp_dir, backend_bin) = compile_backend_service(&backend_source);
-
-    assert_eq!(openapi_routes, canonical_routes);
-    for route in &canonical_routes {
-        let concrete_path = route
-            .path
-            .replace("{id}", "42")
-            .replace("{org}", "gunb-ai")
-            .replace("{repo}", "gunbc")
-            .replace("{secret_name}", "api-key");
-        assert_eq!(
-            backend_probe(&backend_bin, route.method.token(), &concrete_path),
-            "200",
-            "generated backend accepts route {} {}",
-            route.method,
-            concrete_path
-        );
-    }
-    assert_eq!(backend_probe(&backend_bin, "GET", "/missing"), "404");
-    assert_eq!(backend_probe(&backend_bin, "DELETE", "/users"), "404");
-    assert_eq!(backend_probe(&backend_bin, "GET", "/users/"), "404");
-    assert_eq!(backend_probe(&backend_bin, "GET", "/users/42/extra"), "404");
-    assert_eq!(
-        backend_probe(&backend_bin, "POST", "/secrets/api/key:addVersion"),
-        "404"
-    );
-}
-
-#[test]
-fn omni_sql_ddl_alternative_demo_generates_schema_matching_backend() {
-    let dag = compile_omni_service_fixture();
-
-    let canonical_routes = extract_rest_routes(&dag).expect("canonical route projection extracts");
-    let backend_source =
-        project_rust_backend_service(&dag).expect("backend service projects from shared DAG");
-    let (_tmp_dir, backend_bin) = compile_backend_service(&backend_source);
-    let ddl = project_sql_ddl_schema(&dag).expect("SQL DDL projects from shared DAG");
-    let ddl_routes = sql_ddl_routes(&ddl);
-    let canonical_without_parameters: BTreeSet<_> = canonical_routes
-        .iter()
-        .map(|route| RestRoute {
-            method: route.method,
-            path: route.path.clone(),
-            path_parameters: vec![],
-        })
-        .collect();
-
-    assert!(ddl.starts_with("-- GunBC generated service route schema.\n"));
-    assert!(ddl.contains("CREATE TABLE omni_service_routes (\n"));
-    assert!(ddl.contains("  CHECK (method IN ('GET', 'POST')),\n"));
-    assert!(ddl.contains("  PRIMARY KEY (method, path_template)\n"));
-    assert!(ddl.contains("('GET', '/users/{id}')"));
-    assert_eq!(
-        ddl_routes, canonical_without_parameters,
-        "SQL DDL route schema must list exactly the backend route exposure set \
-         extracted from the same compiled DAG."
-    );
-
-    for route in &canonical_routes {
-        let concrete_path = route
-            .path
-            .replace("{id}", "42")
-            .replace("{org}", "gunb-ai")
-            .replace("{repo}", "gunbc")
-            .replace("{secret_name}", "api-key");
-        assert_eq!(
-            backend_probe(&backend_bin, route.method.token(), &concrete_path),
-            "200",
-            "generated backend implements SQL schema route {} {}",
-            route.method,
-            concrete_path
-        );
-    }
-}
-
-#[test]
-fn sql_ddl_projection_emits_valid_empty_schema_without_insert_values() {
-    let dag = compile_empty_omni_service_fixture();
-
-    let ddl = project_sql_ddl_schema(&dag).expect("SQL DDL projects for an empty route set");
-
-    assert!(ddl.contains("CREATE TABLE omni_service_routes (\n"));
-    assert!(ddl.contains("  PRIMARY KEY (method, path_template)\n"));
-    assert!(ddl.contains("-- no routes declared\n"));
-    assert!(
-        !ddl.contains("INSERT INTO omni_service_routes"),
-        "empty-route DDL must not emit a dangling INSERT ... VALUES statement"
-    );
-    assert!(sql_ddl_routes(&ddl).is_empty());
-}
-
-#[test]
-fn omni_documentation_drift_lock_demo() {
-    let dag = compile_omni_service_fixture();
-
-    let canonical_routes = extract_rest_routes(&dag).expect("canonical route projection extracts");
-    let markdown = project_markdown_documentation(&dag).expect("Markdown documentation projects");
-    let documented_routes = markdown_documentation_routes(&markdown);
-
-    assert!(markdown.starts_with("# GunBC generated service\n\n"));
-    assert!(markdown.contains("| Method | Path | Path parameters |\n"));
-    assert!(markdown.contains("| GET | `/users/{id}` | `id` |\n"));
-    assert!(markdown.contains("| GET | `/orgs/{org}/repos/{repo}` | `org`, `repo` |\n"));
-    assert!(markdown.contains("| POST | `/secrets/{secret_name}:addVersion` | `secret_name` |\n"));
-    assert_eq!(
-        documented_routes, canonical_routes,
-        "Markdown drift-lock projection must describe exactly the backend route \
-         exposure set extracted from the same compiled DAG."
-    );
-}
-
-#[test]
-fn openapi_and_markdown_shape_b_routes_match_same_backend_projection() {
-    let dag = compile_omni_service_fixture();
-
-    let canonical_routes = extract_rest_routes(&dag).expect("canonical route projection extracts");
-    let openapi_routes =
-        openapi_yaml_routes(&project_openapi_yaml(&dag).expect("OpenAPI YAML projects"));
-    let markdown_routes = markdown_documentation_routes(
-        &project_markdown_documentation(&dag).expect("Markdown documentation projects"),
-    );
-
-    assert_eq!(openapi_routes, canonical_routes);
-    assert_eq!(markdown_routes, canonical_routes);
-}
-
-#[test]
-fn openapi_projection_ignores_non_service_endpoint_fields() {
-    let dag = compile_omni_service_fixture();
-
-    assert_eq!(
-        extract_rest_routes(&dag).expect("canonical route projection extracts"),
-        expected_routes(),
-        "Only declarations whose list element type carries the canonical \
-         services.dag RestEndpointBinding field should become OpenAPI routes."
-    );
-}
-
-#[test]
-fn openapi_projection_ignores_same_shape_non_service_endpoint_binding() {
-    let dag = compile_omni_service_fixture();
-
-    let routes = extract_rest_routes(&dag).expect("canonical route projection extracts");
-
-    assert_eq!(routes, expected_routes());
-    assert!(
-        !routes
-            .iter()
-            .any(|route| route.path == "/same-shape-but-not-service"),
-        "A user-authored endpoint record with the same method/path shape must not become \
-         an OpenAPI route unless its field type is the canonical RestEndpointBinding."
-    );
-}
-
-/// Repository `dsl/demos/todo_service.dag` visceral demo: one `compile_to_dag` feeds the
-/// four Shape B projections (OpenAPI YAML, Markdown, SQL DDL, Rust backend) plus Shape A
-/// `emit_rust`, matching r3-program-plan §1.8 #25–#28 structural discipline.
-#[test]
-fn todo_service_repository_demo_omni_layers_share_one_node_tree() {
-    // `compile_count` mirrors `omni_layers_share_one_node_tree`: one shared `Dag` is already
-    // enforced structurally because every projection takes `&dag`. The counter still ratchets
-    // accidental double acquisition via `compile_*_counted` (e.g. a duplicated helper call
-    // during edits), matching the §1.8 #28 receipt style in this module.
-    let mut compile_count = 0usize;
-    let dag = compile_todo_service_repository_fixture_counted(&mut compile_count);
-
-    let canonical = extract_rest_routes(&dag).expect("canonical route projection extracts");
-    assert_eq!(canonical, expected_todo_service_routes());
-
-    let openapi = project_openapi_yaml(&dag).expect("Shape B OpenAPI projects from shared DAG");
-    assert!(openapi.starts_with("openapi: 3.1.0\n"));
-    assert_eq!(openapi_yaml_routes(&openapi), canonical);
-
-    let markdown = project_markdown_documentation(&dag).expect("Markdown projects from shared DAG");
-    assert_eq!(markdown_documentation_routes(&markdown), canonical);
-
-    let ddl = project_sql_ddl_schema(&dag).expect("SQL DDL projects from shared DAG");
-    let ddl_routes = sql_ddl_routes(&ddl);
-    let canonical_without_parameters: BTreeSet<_> = canonical
-        .iter()
-        .map(|route| RestRoute {
-            method: route.method,
-            path: route.path.clone(),
-            path_parameters: vec![],
-        })
-        .collect();
-    assert_eq!(ddl_routes, canonical_without_parameters);
-    assert!(ddl.contains("  CHECK (method IN ("));
-    assert!(ddl.contains("'DELETE'"));
-    assert!(ddl.contains("'PATCH'"));
-    assert!(ddl.contains("'PUT'"));
-
-    let backend_source =
-        project_rust_backend_service(&dag).expect("backend service projects from shared DAG");
-    let (_tmp_dir, backend_bin) = compile_backend_service(&backend_source);
-    for route in &canonical {
-        let concrete_path = route
-            .path
-            .replace("{userId}", "42")
-            .replace("{todoId}", "99")
-            .replace("{listId}", "7");
-        assert_eq!(
-            backend_probe(&backend_bin, route.method.token(), &concrete_path),
-            "200",
-            "generated backend accepts route {} {}",
-            route.method,
-            concrete_path
-        );
-    }
-    assert_eq!(backend_probe(&backend_bin, "GET", "/missing"), "404");
-    assert_eq!(backend_probe(&backend_bin, "DELETE", "/users"), "404");
-    assert_eq!(backend_probe(&backend_bin, "GET", "/users/"), "404");
-
-    let _rust = emit_rust(&dag).expect("Shape A Rust emit consumes shared DAG");
-
-    assert_eq!(
-        compile_count, 1,
-        "Shape A + Shape B layers must consume the same compile_to_dag result for the repository demo"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m1_5_testgen_test.rs b/src/v3/compiler/tests/integration/m1_5_testgen_test.rs
deleted file mode 100644
index b8420e24c52..00000000000
--- a/src/v3/compiler/tests/integration/m1_5_testgen_test.rs
+++ /dev/null
@@ -1,983 +0,0 @@
-use std::panic::{catch_unwind, panic_any, AssertUnwindSafe};
-use std::sync::OnceLock;
-
-use v3_compiler::dag::{
-    literal_bits_int, Behavior, Dag, Declaration, DeclarationId, FieldValue, LiteralBits,
-    PortState, TypeConnective, ValueBody,
-};
-use v3_compiler::lens_cost::cost_of;
-use v3_compiler::lens_testgen::{GeneratedClaim, TestgenLens};
-use v3_compiler::test_runner::{
-    eval_algebraic_law_for_claim_program, evaluate_execute_command_m1_5,
-    parse_execute_command_fields, AlgebraicLawProgramError, ExecuteCommandM1_5Proposition,
-};
-use v3_compiler::Diagnostic;
-
-use crate::common::{cached_compile_any, cached_compile_outcome, CachedCompileOutcome};
-
-#[derive(Clone)]
-struct CachedGeneratedClaim {
-    declaration_name: String,
-    declaration_source: String,
-    fields: Vec<(String, FieldValue)>,
-}
-
-impl CachedGeneratedClaim {
-    fn declaration_name(&self) -> &str {
-        &self.declaration_name
-    }
-
-    fn render_declaration_source(&self) -> &str {
-        &self.declaration_source
-    }
-
-    fn fields(&self) -> &[(String, FieldValue)] {
-        &self.fields
-    }
-
-    fn dag(&self) -> &Dag {
-        bootstrapped_dag()
-    }
-}
-
-impl From<GeneratedClaim<'_>> for CachedGeneratedClaim {
-    fn from(claim: GeneratedClaim<'_>) -> Self {
-        Self {
-            declaration_name: claim.declaration_name().to_string(),
-            declaration_source: claim.render_declaration_source(),
-            fields: claim.fields().to_vec(),
-        }
-    }
-}
-
-fn compile_any(src: &str, file: &str) -> Dag {
-    cached_compile_any(src, file)
-}
-
-fn bootstrapped_dag() -> &'static Dag {
-    static DAG: OnceLock<Dag> = OnceLock::new();
-    DAG.get_or_init(Dag::new)
-}
-
-fn generated_claims() -> &'static [CachedGeneratedClaim] {
-    static CLAIMS: OnceLock<Vec<CachedGeneratedClaim>> = OnceLock::new();
-    CLAIMS
-        .get_or_init(|| {
-            TestgenLens::new(bootstrapped_dag())
-                .query()
-                .into_iter()
-                .map(CachedGeneratedClaim::from)
-                .collect()
-        })
-        .as_slice()
-}
-
-fn generated_claim(name: &str) -> &'static CachedGeneratedClaim {
-    generated_claims()
-        .iter()
-        .find(|claim| claim_name(claim) == name)
-        .unwrap_or_else(|| panic!("generated claim `{name}` not found"))
-}
-
-fn generated_claim_decl<'a>(dag: &'a Dag, name: &str) -> &'a Declaration {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("generated claim declaration `{name}` not found"))
-}
-
-fn structural_fields(decl: &Declaration) -> &[(String, FieldValue)] {
-    match &decl.value_body {
-        Some(ValueBody::Structural { fields }) => fields.as_slice(),
-        Some(ValueBody::Unparsed(_)) => panic!("generated claim should lower structurally"),
-        Some(ValueBody::Scalar(_)) => {
-            panic!("generated claim should lower as Structural (record shape), got Scalar")
-        }
-        Some(ValueBody::List(_)) => {
-            panic!("generated claim should lower as Structural (record shape), got List")
-        }
-        Some(ValueBody::Map(_)) => {
-            panic!("generated claim should lower as Structural (record shape), got Map")
-        }
-        None => panic!("generated claim declaration should carry a structural value body"),
-    }
-}
-
-fn string_field(fields: &[(String, FieldValue)], label: &str) -> String {
-    fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("expected `{label}` to be a String literal field"))
-}
-
-fn variant_field<'a>(
-    dag: &Dag,
-    fields: &'a [(String, FieldValue)],
-    label: &str,
-) -> (String, &'a [FieldValue]) {
-    let value = fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("expected `{label}` field"));
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        panic!("expected `{label}` to lower to a variant field");
-    };
-    (variant_label(dag, *constructor), payload.as_slice())
-}
-
-fn variant_label(dag: &Dag, variant_id: DeclarationId) -> String {
-    dag.declarations()
-        .iter()
-        .find_map(|decl| match &decl.connective {
-            TypeConnective::Disj { variants } => variants
-                .iter()
-                .find(|variant| variant.ty == variant_id)
-                .map(|variant| variant.label.clone()),
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "variant declaration {:?} not found under any reflected sum",
-                variant_id
-            )
-        })
-}
-
-fn variant_value<'a>(dag: &Dag, value: &'a FieldValue) -> (String, &'a [FieldValue]) {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        panic!("expected variant field value, got {value:?}");
-    };
-    (variant_label(dag, *constructor), payload.as_slice())
-}
-
-fn record_value(value: &FieldValue) -> &[(String, FieldValue)] {
-    let FieldValue::Record(fields) = value else {
-        panic!("expected record field value, got {value:?}");
-    };
-    fields.as_slice()
-}
-
-fn sum_variant(
-    dag: &Dag,
-    sum_name: &str,
-    variant_label: &str,
-    payload: Vec<FieldValue>,
-) -> FieldValue {
-    let sum_decl = dag
-        .declaration_by_name(sum_name)
-        .unwrap_or_else(|| panic!("bootstrap should load `{sum_name}`"));
-    let TypeConnective::Disj { variants } = &sum_decl.connective else {
-        panic!("`{sum_name}` should lower to a Disj");
-    };
-    let constructor = variants
-        .iter()
-        .find(|variant| variant.label == variant_label)
-        .map(|variant| variant.ty)
-        .unwrap_or_else(|| panic!("variant `{variant_label}` not found under `{sum_name}`"));
-    FieldValue::Variant {
-        constructor,
-        payload,
-    }
-}
-
-fn diagnostic_detail_expectation(dag: &Dag, value: Option<&str>) -> FieldValue {
-    match value {
-        Some(text) => sum_variant(
-            dag,
-            "DiagnosticDetailExpectation",
-            "Contains",
-            vec![FieldValue::Literal(LiteralBits::String(text.to_string()))],
-        ),
-        None => sum_variant(dag, "DiagnosticDetailExpectation", "AnyDetail", Vec::new()),
-    }
-}
-
-fn compiled_generated_claim(claim: &CachedGeneratedClaim) -> Dag {
-    let dag = compile_any(
-        claim.render_declaration_source(),
-        "generated_test_claim.dag",
-    );
-    assert!(
-        dag.diagnostics().is_empty(),
-        "generated claim declaration should compile cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    let decl = generated_claim_decl(&dag, claim.declaration_name());
-    assert_eq!(
-        decl.meta_tag,
-        dag.declaration_by_name("TestClaim").map(|decl| decl.id),
-        "generated data declaration should be typed as TestClaim"
-    );
-    let compiled_fields = structural_fields(decl);
-    assert_eq!(string_field(compiled_fields, "name"), claim_name(claim));
-    assert_eq!(
-        string_field(compiled_fields, "source"),
-        string_field(claim.fields(), "source")
-    );
-    assert_eq!(
-        string_field(compiled_fields, "file_name"),
-        string_field(claim.fields(), "file_name")
-    );
-    assert_eq!(
-        variant_field(&dag, compiled_fields, "predicate").0,
-        variant_field(claim.dag(), claim.fields(), "predicate").0
-    );
-    dag
-}
-
-fn claim_name(claim: &CachedGeneratedClaim) -> String {
-    string_field(claim.fields(), "name")
-}
-
-fn runner_deferred_panic(label: &str) -> ! {
-    panic!(
-        "m1_5 testgen harness: TestPredicate::{label} is runner-deferred (not evaluable in this interpreter — do not treat as ordinary false)"
-    )
-}
-
-/// `ExecuteCommand` is the **declared** host-process spawn boundary: everything else in this
-/// harness stays data-only; arbitrary `command` + `args` use the same `std::process` path as
-/// [`v3_compiler::test_runner::evaluate_execute_command_m1_5`].
-///
-/// Propositional **true** / **false** is **only** pass vs exit-code mismatch. Spawn errors,
-/// timeouts, policy (`&` background), and other `Fail` or `NotYetImplemented` are **not** the
-/// boolean “claim does not hold” — the harness **panics** and surfaces the full
-/// `ClaimResult` (P3/DB-1: [`v3_compiler::test_runner::TestRunner`], `TESTING.md`).
-fn execute_command_m1_5_holds(payload: &[FieldValue]) -> bool {
-    let Some((command, args, expect_exit)) = parse_execute_command_fields(payload) else {
-        panic!(
-            "m1_5 testgen harness: ExecuteCommand payload malformed (cannot parse command/args/expect_exit_code) — do not treat as ordinary false"
-        );
-    };
-    match evaluate_execute_command_m1_5(&command, &args, expect_exit) {
-        Ok(ExecuteCommandM1_5Proposition::Satisfied) => true,
-        Ok(ExecuteCommandM1_5Proposition::UnsatisfiedExitMismatch) => false,
-        Err(r) => panic!(
-            "m1_5 testgen harness: ExecuteCommand runner/claim outcome is not propositional (not exit mismatch): {r:?} — not ordinary false; see TestRunner / TESTING.md"
-        ),
-    }
-}
-
-fn claim_holds(claim: &CachedGeneratedClaim) -> bool {
-    let source = string_field(claim.fields(), "source");
-    let file_name = string_field(claim.fields(), "file_name");
-    let predicate = claim
-        .fields()
-        .iter()
-        .find(|(label, _)| label == "predicate")
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("generated claim is missing `predicate`"));
-    predicate_holds(claim.dag(), &source, &file_name, predicate)
-}
-
-fn predicate_holds(
-    expectation_dag: &Dag,
-    source: &str,
-    file_name: &str,
-    predicate: &FieldValue,
-) -> bool {
-    let (label, payload) = variant_value(expectation_dag, predicate);
-    match label.as_str() {
-        "Compiles" => cached_compile_outcome(source, file_name).is_clean(),
-        "FailsWithDiagnostic" => {
-            let [reference] = payload else {
-                panic!("FailsWithDiagnostic payload should be a single DiagnosticReference");
-            };
-            match cached_compile_outcome(source, file_name) {
-                CachedCompileOutcome::Clean(_) => false,
-                CachedCompileOutcome::Semantic(dag) => {
-                    diagnostic_matches(expectation_dag, &dag, reference)
-                }
-            }
-        }
-        "PortHasState" => {
-            let [FieldValue::Literal(LiteralBits::String(bind_name)), expected_state] = payload
-            else {
-                panic!("PortHasState payload should be (String, PortStateExpectation)");
-            };
-            let dag = compile_any(source, file_name);
-            let Some(bind) = dag.nodes().iter().find_map(|node| match node {
-                Behavior::Bind(bind) if bind.name == *bind_name => Some(bind),
-                _ => None,
-            }) else {
-                return false;
-            };
-            port_state_matches(
-                expectation_dag,
-                dag.port(bind.value).state(),
-                expected_state,
-            )
-        }
-        "DeclarationHasRefinement" => {
-            let name = match payload {
-                [FieldValue::Literal(LiteralBits::String(name))] => name.clone(),
-                [FieldValue::Record(fields)] => string_field(fields, "declaration_name"),
-                _ => panic!("DeclarationHasRefinement payload should be String or record"),
-            };
-            let dag = compile_any(source, file_name);
-            dag.declaration_by_name(&name)
-                .is_some_and(|decl| decl.refinement.is_some())
-        }
-        "CostBounded" => {
-            let [FieldValue::Literal(LiteralBits::String(bind_name)), comparator, FieldValue::Literal(LiteralBits::Int(bound))] =
-                payload
-            else {
-                panic!("CostBounded payload should be (String, ComparisonOp, Int)");
-            };
-            let dag = compile_any(source, file_name);
-            let Some(bind) = dag.nodes().iter().find_map(|node| match node {
-                Behavior::Bind(bind) if bind.name == *bind_name => Some(bind),
-                _ => None,
-            }) else {
-                return false;
-            };
-            let actual = crate::common::require_fixture_cost_i64(
-                cost_of(&dag, &bind.value),
-                &format!("bind `{bind_name}`"),
-            );
-            let bound_i64: i64 = bound
-                .parse()
-                .expect("CostBounded payload Int must be decimal i64");
-            compare_cost(expectation_dag, comparator, actual, bound_i64)
-        }
-        "OutputEquals" => runner_deferred_panic("OutputEquals"),
-        "BehavioralObservation" => runner_deferred_panic("BehavioralObservation"),
-        "MockBackedInvariant" => runner_deferred_panic("MockBackedInvariant"),
-        "LensOutputEquals" => runner_deferred_panic("LensOutputEquals"),
-        "DifferentialEquals" => runner_deferred_panic("DifferentialEquals"),
-        "ReleaseDeferredClaim" => runner_deferred_panic("ReleaseDeferredClaim"),
-        "SubstrateResearchDeferredClaim" => runner_deferred_panic("SubstrateResearchDeferredClaim"),
-        "AlgebraicLaw" => {
-            let inner = match cached_compile_outcome(source, file_name) {
-                CachedCompileOutcome::Clean(dag) => dag,
-                _ => return false,
-            };
-            match eval_algebraic_law_for_claim_program(expectation_dag, &inner, payload) {
-                Ok(holds) => holds,
-                Err(AlgebraicLawProgramError::UnsupportedLaw { .. }) => {
-                    runner_deferred_panic("AlgebraicLaw")
-                }
-                Err(AlgebraicLawProgramError::MalformedPayload(message)) => {
-                    // Fail-closed: malformed AlgebraicLaw payloads must not be coerced to `false`
-                    // (ordinary “predicate does not hold”). Preserve the typed error for tests via
-                    // `panic_any` (TESTING.md: avoid substring-matching `panic!` format strings).
-                    panic_any(AlgebraicLawProgramError::MalformedPayload(message));
-                }
-            }
-        }
-        "ExecuteCommand" => {
-            if !cached_compile_outcome(source, file_name).is_clean() {
-                return false;
-            }
-            execute_command_m1_5_holds(payload)
-        }
-        "ForAllTargets" => runner_deferred_panic("ForAllTargets"),
-        other => panic!("unsupported TestPredicate variant {other}"),
-    }
-}
-
-fn catch_predicate_holds_panic_message(
-    dag: &Dag,
-    source: &str,
-    file: &str,
-    predicate: &FieldValue,
-) -> String {
-    let result = catch_unwind(AssertUnwindSafe(|| {
-        predicate_holds(dag, source, file, predicate)
-    }));
-    assert!(
-        result.is_err(),
-        "expected predicate_holds to panic (harness fail-closed / runner-deferred path)"
-    );
-    let payload = result.unwrap_err();
-    payload
-        .downcast_ref::<String>()
-        .cloned()
-        .or_else(|| payload.downcast_ref::<&str>().map(|s| s.to_string()))
-        .unwrap_or_else(|| "non-string panic payload".to_string())
-}
-
-fn assert_runner_deferred_panics(
-    dag: &Dag,
-    source: &str,
-    file: &str,
-    predicate: &FieldValue,
-    expected_label: &str,
-) {
-    let message = catch_predicate_holds_panic_message(dag, source, file, predicate);
-    assert!(
-        message.contains("runner-deferred") && message.contains(expected_label),
-        "unexpected panic for {expected_label}: {message}"
-    );
-}
-
-fn diagnostic_matches(expectation_dag: &Dag, actual_dag: &Dag, reference: &FieldValue) -> bool {
-    let fields = record_value(reference);
-    let kind = fields
-        .iter()
-        .find(|(label, _)| label == "kind")
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("DiagnosticReference is missing `kind`"));
-    let detail_contains = fields
-        .iter()
-        .find(|(label, _)| label == "detail_contains")
-        .map(|(_, value)| diagnostic_detail_filter(expectation_dag, value))
-        .unwrap_or_else(|| panic!("DiagnosticReference is missing `detail_contains`"));
-    let (kind_label, kind_payload) = variant_value(expectation_dag, kind);
-    assert!(
-        kind_payload.is_empty(),
-        "DiagnosticKind variants should be payload-free, got {kind_payload:?}"
-    );
-    actual_dag
-        .diagnostics()
-        .iter()
-        .any(|(_, diag)| match_detail(kind_label.as_str(), &detail_contains, diag))
-}
-
-fn diagnostic_detail_filter(dag: &Dag, value: &FieldValue) -> Option<String> {
-    let (label, payload) = variant_value(dag, value);
-    match label.as_str() {
-        "AnyDetail" => {
-            assert!(
-                payload.is_empty(),
-                "AnyDetail should be payload-free, got {payload:?}"
-            );
-            None
-        }
-        "Contains" => {
-            let [FieldValue::Literal(LiteralBits::String(text))] = payload else {
-                panic!("Contains should carry a single String literal payload, got {payload:?}");
-            };
-            Some(text.clone())
-        }
-        other => panic!("unsupported DiagnosticDetailExpectation variant {other}"),
-    }
-}
-
-fn match_detail(kind_label: &str, detail_contains: &Option<String>, diag: &Diagnostic) -> bool {
-    if diag.layer1_kind_label() != kind_label {
-        return false;
-    }
-    match detail_contains {
-        Some(text) => diagnostic_detail(diag).contains(text),
-        None => true,
-    }
-}
-
-fn diagnostic_detail(diag: &Diagnostic) -> String {
-    match diag {
-        Diagnostic::TokenizerError { message, .. } | Diagnostic::ParseError { message, .. } => {
-            message.clone()
-        }
-        Diagnostic::TypeMismatch {
-            expected, actual, ..
-        } => format!("expected {expected:?}, got {actual:?}"),
-        Diagnostic::ArityMismatch {
-            function,
-            expected,
-            actual,
-            ..
-        } => format!("{function} expected {expected}, got {actual}"),
-        Diagnostic::UnitMismatch { .. } => diag.message(),
-        Diagnostic::ResolveError { name, .. } => name.clone(),
-        Diagnostic::BranchConditionNotBool { .. } => diag.message(),
-        Diagnostic::MagnitudeOutOfRange { .. } => diag.message(),
-        Diagnostic::MalformedIntegerRangeFact { .. } => diag.message(),
-        Diagnostic::NominalOpacityViolation { .. } => diag.message(),
-    }
-}
-
-fn port_state_matches(
-    expectation_dag: &Dag,
-    actual: &PortState,
-    expected_state: &FieldValue,
-) -> bool {
-    let (label, payload) = variant_value(expectation_dag, expected_state);
-    assert!(
-        payload.is_empty(),
-        "PortStateExpectation variants should be payload-free, got {payload:?}"
-    );
-    matches!(
-        (label.as_str(), actual),
-        ("Resolved", PortState::Resolved(_)) | ("Unresolved", PortState::Unresolved)
-    )
-}
-
-fn compare_cost(expectation_dag: &Dag, comparator: &FieldValue, actual: i64, bound: i64) -> bool {
-    let (label, payload) = variant_value(expectation_dag, comparator);
-    assert!(
-        payload.is_empty(),
-        "ComparisonOp variants should be payload-free, got {payload:?}"
-    );
-    match label.as_str() {
-        "Eq" => actual == bound,
-        "Ne" => actual != bound,
-        "Lt" => actual < bound,
-        "Le" => actual <= bound,
-        "Gt" => actual > bound,
-        "Ge" => actual >= bound,
-        other => panic!("unsupported ComparisonOp variant {other}"),
-    }
-}
-
-fn compiles_predicate(dag: &Dag) -> FieldValue {
-    sum_variant(dag, "TestPredicate", "Compiles", Vec::new())
-}
-
-fn diagnostic_predicate(dag: &Dag, kind: &str, detail_contains: Option<&str>) -> FieldValue {
-    sum_variant(
-        dag,
-        "TestPredicate",
-        "FailsWithDiagnostic",
-        vec![FieldValue::Record(vec![
-            (
-                String::from("kind"),
-                sum_variant(dag, "DiagnosticKind", kind, Vec::new()),
-            ),
-            (
-                String::from("detail_contains"),
-                diagnostic_detail_expectation(dag, detail_contains),
-            ),
-        ])],
-    )
-}
-
-fn port_state_predicate(dag: &Dag, bind_name: &str, state: &str) -> FieldValue {
-    sum_variant(
-        dag,
-        "TestPredicate",
-        "PortHasState",
-        vec![
-            FieldValue::Literal(LiteralBits::String(bind_name.to_string())),
-            sum_variant(dag, "PortStateExpectation", state, Vec::new()),
-        ],
-    )
-}
-
-fn cost_bounded_predicate(dag: &Dag, bind_name: &str, comparator: &str, bound: i64) -> FieldValue {
-    sum_variant(
-        dag,
-        "TestPredicate",
-        "CostBounded",
-        vec![
-            FieldValue::Literal(LiteralBits::String(bind_name.to_string())),
-            sum_variant(dag, "ComparisonOp", comparator, Vec::new()),
-            FieldValue::Literal(LiteralBits::Int(bound.to_string())),
-        ],
-    )
-}
-
-fn execute_command_predicate(dag: &Dag) -> FieldValue {
-    sum_variant(
-        dag,
-        "TestPredicate",
-        "ExecuteCommand",
-        vec![
-            FieldValue::Literal(LiteralBits::String(String::from("true"))),
-            FieldValue::List(Vec::new()),
-            FieldValue::Literal(literal_bits_int(0)),
-        ],
-    )
-}
-
-fn for_all_targets_predicate(dag: &Dag) -> FieldValue {
-    sum_variant(
-        dag,
-        "TestPredicate",
-        "ForAllTargets",
-        vec![
-            FieldValue::Literal(LiteralBits::String(String::from("true"))),
-            FieldValue::List(Vec::new()),
-            FieldValue::Literal(literal_bits_int(0)),
-        ],
-    )
-}
-
-fn declaration_ref_field(dag: &Dag, name: &str) -> FieldValue {
-    let id = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("bootstrap should declare `{name}`"))
-        .id;
-    FieldValue::Reference(id)
-}
-
-fn executable_today(claim: &CachedGeneratedClaim) -> bool {
-    let (predicate, payload) = variant_field(claim.dag(), claim.fields(), "predicate");
-    if predicate != "FailsWithDiagnostic" {
-        return true;
-    }
-    let [reference] = payload else {
-        panic!("FailsWithDiagnostic payload should be a single DiagnosticReference");
-    };
-    let kind = record_value(reference)
-        .iter()
-        .find(|(label, _)| label == "kind")
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("DiagnosticReference is missing `kind`"));
-    variant_value(claim.dag(), kind).0 != "TypeMismatch"
-}
-
-fn assert_generated_claim_holds(claim_name: &str, expected_predicate: &str) {
-    let claim = generated_claim(claim_name);
-    assert_eq!(
-        variant_field(claim.dag(), claim.fields(), "predicate").0,
-        expected_predicate,
-        "representative generated claim `{claim_name}` should cover the expected predicate family"
-    );
-    assert!(
-        executable_today(claim),
-        "representative generated claim `{claim_name}` should be executable in today's compiler"
-    );
-    assert!(
-        claim_holds(claim),
-        "generated claim should hold: name={claim_name}"
-    );
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn testgen_lens_emits_claims_as_structural_testclaim_values() {
-    let dag = bootstrapped_dag();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load std files cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let claims = generated_claims();
-    for claim in claims {
-        compiled_generated_claim(claim);
-    }
-    let claim_names: Vec<_> = claims.iter().map(claim_name).collect();
-    assert!(
-        claim_names
-            .iter()
-            .any(|name| name == "TestPredicate variant Compiles compiles"),
-        "expected a compile claim for TestPredicate::Compiles, got {:?}",
-        claim_names
-    );
-    assert!(
-        claim_names.iter().any(|name| name == "TestClaim compiles"),
-        "expected a compile claim for TestClaim"
-    );
-    assert!(
-        claim_names
-            .iter()
-            .any(|name| name == "List<Int> variant Empty compiles"),
-        "expected a compile claim for List<Int>::Empty"
-    );
-    assert!(
-        claim_names
-            .iter()
-            .any(|name| name == "List<Int> requires exhaustive match"),
-        "expected a non-exhaustive-match claim for List<Int>"
-    );
-    assert!(
-        claim_names
-            .iter()
-            .any(|name| name == "TestClaim witness resolves"),
-        "expected a port-state claim for TestClaim witnesses, got {:?}",
-        claim_names
-    );
-    assert!(
-        claim_names
-            .iter()
-            .any(|name| name == "TestClaim witness has bounded cost"),
-        "expected a cost-bounded claim for TestClaim witnesses, got {:?}",
-        claim_names
-    );
-    assert!(
-        claim_names
-            .iter()
-            .any(|name| name == "TestClaim rejects field type mismatch"),
-        "expected a field-type-mismatch claim for TestClaim"
-    );
-    assert!(
-        claim_names
-            .iter()
-            .any(|name| name == "TestClaim mismatched witness stays unresolved"),
-        "expected an unresolved port-state claim for TestClaim mismatches, got {:?}",
-        claim_names
-    );
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn testgen_generated_claims_execute_against_compile_boundary() {
-    let claims = generated_claims();
-    assert!(
-        !claims.is_empty(),
-        "testgen lens should emit at least one claim against the bootstrapped stdlib"
-    );
-    for claim in claims.iter().filter(|claim| executable_today(claim)) {
-        assert!(
-            claim_holds(claim),
-            "generated claim should hold: name={}",
-            claim_name(claim)
-        );
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn representative_generated_claims_cover_predicate_families() {
-    for (claim_name, expected_predicate) in [
-        ("TestPredicate variant Compiles compiles", "Compiles"),
-        ("List<Int> requires exhaustive match", "FailsWithDiagnostic"),
-        ("TestClaim witness resolves", "PortHasState"),
-        ("TestClaim witness has bounded cost", "CostBounded"),
-    ] {
-        let claim = generated_claim(claim_name);
-        assert_eq!(
-            variant_field(claim.dag(), claim.fields(), "predicate").0,
-            expected_predicate,
-            "representative generated claim `{claim_name}` should cover the expected predicate family"
-        );
-    }
-}
-
-#[test]
-#[ignore = "hot-fix-2026-05-12 cold-v3-67min-reduction; rebuild via OnceLock/cached_compile amortization — owner: TBD per separate dispatch"]
-fn representative_generated_claims_execute_against_compile_boundary() {
-    for (claim_name, expected_predicate) in [
-        ("TestPredicate variant Compiles compiles", "Compiles"),
-        ("List<Int> requires exhaustive match", "FailsWithDiagnostic"),
-        ("TestClaim witness has bounded cost", "CostBounded"),
-    ] {
-        assert_generated_claim_holds(claim_name, expected_predicate);
-    }
-}
-
-#[test]
-fn generic_predicate_interpreter_handles_representative_structural_predicates() {
-    let dag = Dag::new();
-    let positive_source = "type Box<T> { value: T }\nfn wrap(x: Int) -> Box<Int> = { value: x }\n";
-    for (label, predicate) in [
-        ("compiles", compiles_predicate(&dag)),
-        (
-            "resolved port-state",
-            port_state_predicate(&dag, "wrap", "Resolved"),
-        ),
-        (
-            "bounded cost",
-            cost_bounded_predicate(&dag, "wrap", "Eq", 1),
-        ),
-    ] {
-        assert!(
-            predicate_holds(
-                &dag,
-                positive_source,
-                "testgen_positive_representative_fixture.v3",
-                &predicate,
-            ),
-            "expected representative positive predicate to hold: {label}"
-        );
-    }
-
-    let negative_source = "fn broken(list: List<Int>) -> Bool = match list { Empty => true }\n";
-    for (label, predicate) in [
-        (
-            "non-exhaustive diagnostic",
-            diagnostic_predicate(&dag, "ResolveError", Some("non-exhaustive")),
-        ),
-        (
-            "unresolved port-state",
-            port_state_predicate(&dag, "broken", "Unresolved"),
-        ),
-    ] {
-        assert!(
-            predicate_holds(
-                &dag,
-                negative_source,
-                "testgen_negative_representative_fixture.v3",
-                &predicate,
-            ),
-            "expected representative negative predicate to hold: {label}"
-        );
-    }
-}
-
-#[test]
-fn extension_predicates_reach_interpreter_boundary() {
-    let dag = Dag::new();
-    let positive_source = "type Box<T> { value: T }\nfn wrap(x: Int) -> Box<Int> = { value: x }\n";
-    let file = "extension_predicates_fixture.v3";
-
-    assert!(
-        predicate_holds(
-            &dag,
-            positive_source,
-            file,
-            &execute_command_predicate(&dag),
-        ),
-        "allowlisted ExecuteCommand should hold when the claim program compiles"
-    );
-    let echo_ok = sum_variant(
-        &dag,
-        "TestPredicate",
-        "ExecuteCommand",
-        vec![
-            FieldValue::Literal(LiteralBits::String(String::from("echo"))),
-            FieldValue::List(vec![FieldValue::Literal(LiteralBits::String(
-                String::from("hi"),
-            ))]),
-            FieldValue::Literal(literal_bits_int(0)),
-        ],
-    );
-    assert!(
-        predicate_holds(&dag, positive_source, file, &echo_ok),
-        "ExecuteCommand(echo, [\"hi\"], 0) should hold when the claim program compiles"
-    );
-    let disallowed_execute = sum_variant(
-        &dag,
-        "TestPredicate",
-        "ExecuteCommand",
-        vec![
-            FieldValue::Literal(LiteralBits::String(String::from("true"))),
-            FieldValue::List(Vec::new()),
-            FieldValue::Literal(literal_bits_int(1)),
-        ],
-    );
-    assert!(
-        !predicate_holds(&dag, positive_source, file, &disallowed_execute),
-        "exit-code mismatch: `true` exits 0, expected 1 — should not hold (bool false, not panic)"
-    );
-    let false_expects_zero = sum_variant(
-        &dag,
-        "TestPredicate",
-        "ExecuteCommand",
-        vec![
-            FieldValue::Literal(LiteralBits::String(String::from("false"))),
-            FieldValue::List(Vec::new()),
-            FieldValue::Literal(literal_bits_int(0)),
-        ],
-    );
-    assert!(
-        !predicate_holds(&dag, positive_source, file, &false_expects_zero),
-        "`false` exits non-zero: predicate should not hold when expect_exit is 0"
-    );
-    assert_runner_deferred_panics(
-        &dag,
-        positive_source,
-        file,
-        &for_all_targets_predicate(&dag),
-        "ForAllTargets",
-    );
-
-    let lens = sum_variant(
-        &dag,
-        "TestPredicate",
-        "LensOutputEquals",
-        vec![
-            declaration_ref_field(&dag, "ValueBehavior"),
-            declaration_ref_field(&dag, "Transform"),
-            declaration_ref_field(&dag, "Bind"),
-        ],
-    );
-    assert_runner_deferred_panics(&dag, positive_source, file, &lens, "LensOutputEquals");
-
-    let diff = sum_variant(
-        &dag,
-        "TestPredicate",
-        "DifferentialEquals",
-        vec![
-            declaration_ref_field(&dag, "ValueBehavior"),
-            declaration_ref_field(&dag, "Transform"),
-            declaration_ref_field(&dag, "Bind"),
-        ],
-    );
-    assert_runner_deferred_panics(&dag, positive_source, file, &diff, "DifferentialEquals");
-
-    // `AlgebraicLaw::Identity` is wired for binary `Int` lenses. `ValueBehavior` is the L1
-    // behavior marker (`type ValueBehavior {}`), not `Int × Int → Int`, so bounded witness
-    // application fails closed as `MalformedPayload` — not missing-decl `Ok(false)` (bootstrap
-    // `program_dag` always carries the marker declaration).
-    let inner = match cached_compile_outcome(positive_source, file) {
-        CachedCompileOutcome::Clean(program_dag) => program_dag,
-        other => panic!(
-            "extension_predicates fixture should compile cleanly for AlgebraicLaw probe, got {other:?}"
-        ),
-    };
-    let identity_payload = vec![
-        sum_variant(&dag, "AlgebraicLawKind", "Identity", Vec::new()),
-        declaration_ref_field(&dag, "ValueBehavior"),
-    ];
-    assert!(
-        matches!(
-            eval_algebraic_law_for_claim_program(&dag, &inner, &identity_payload),
-            Err(AlgebraicLawProgramError::MalformedPayload(_))
-        ),
-        "Identity witness on ValueBehavior marker should be MalformedPayload (non-applicable lens target)"
-    );
-    let law = sum_variant(
-        &dag,
-        "TestPredicate",
-        "AlgebraicLaw",
-        identity_payload.clone(),
-    );
-    let harness = catch_unwind(AssertUnwindSafe(|| {
-        predicate_holds(&dag, positive_source, file, &law)
-    }));
-    assert!(
-        harness.is_err(),
-        "expected harness panic on AlgebraicLaw MalformedPayload (must not coerce to false)"
-    );
-    let payload = harness.unwrap_err();
-    assert!(
-        payload
-            .downcast_ref::<AlgebraicLawProgramError>()
-            .is_some_and(|e| matches!(e, AlgebraicLawProgramError::MalformedPayload(_))),
-        "expected AlgebraicLawProgramError::MalformedPayload via panic_any, got {:?}",
-        payload.downcast_ref::<String>()
-    );
-
-    let behavioral = sum_variant(
-        &dag,
-        "TestPredicate",
-        "BehavioralObservation",
-        vec![
-            declaration_ref_field(&dag, "ValueBehavior"),
-            declaration_ref_field(&dag, "Transform"),
-            declaration_ref_field(&dag, "Bind"),
-        ],
-    );
-    assert_runner_deferred_panics(
-        &dag,
-        positive_source,
-        file,
-        &behavioral,
-        "BehavioralObservation",
-    );
-
-    let mock = sum_variant(
-        &dag,
-        "TestPredicate",
-        "MockBackedInvariant",
-        vec![
-            declaration_ref_field(&dag, "ValueBehavior"),
-            declaration_ref_field(&dag, "Transform"),
-        ],
-    );
-    assert_runner_deferred_panics(&dag, positive_source, file, &mock, "MockBackedInvariant");
-
-    let output_equals = sum_variant(
-        &dag,
-        "TestPredicate",
-        "OutputEquals",
-        vec![FieldValue::Literal(LiteralBits::String(String::from(
-            "let x: Int = 1",
-        )))],
-    );
-    assert_runner_deferred_panics(&dag, positive_source, file, &output_equals, "OutputEquals");
-}
diff --git a/src/v3/compiler/tests/integration/m1_5_user_authored_lens_gate_test.rs b/src/v3/compiler/tests/integration/m1_5_user_authored_lens_gate_test.rs
deleted file mode 100644
index a68a8172bf8..00000000000
--- a/src/v3/compiler/tests/integration/m1_5_user_authored_lens_gate_test.rs
+++ /dev/null
@@ -1,204 +0,0 @@
-//! **Layer:** integration
-//!
-//! Day-1 R1 gate `user_authored_lens_compiles`: **canonical** program text is
-//! `src/v3/lenses/named_function_count.dag`. The gate fixture `r1_gates.dag` is
-//! **build-generated** from `r1_gates.template.dag` (`v3-compiler/build.rs` splices the
-//! lens bytes into `TestClaim.source`). This module ratchets the lowered `source` field
-//! against `include_str!(.../named_function_count.dag)` then runs `compile_to_dag` on
-//! that payload over the standard bootstrap (`Dag::new()`), without bundling the lens
-//! into the bootstrap.
-//!
-//! **Behavior receipt (TESTING.md):** `user_authored_lens_testclaim_payload_tracks_on_disk_lens_and_compiles`
-//! lowers the gate fixture, reads `source` off the lowered `TestClaim`, and runs
-//! `compile_to_dag` on that string — this is the executable `Compiles` path, not
-//! merely “the record literal typechecks.” The lowered payload must match the on-disk
-//! lens byte-for-byte. The fixture does **not** use `import lenses.named_function_count { ... }`
-//! from a second file, because that pattern would require the lens in `Dag::new()`
-//! bootstrap, which this demo deliberately avoids.
-//!
-//! D4 splice: ROADMAP.md "Scheduled cleanups: LensOutputEquals runner and R1 gate fixtures" item 3.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Dag, FieldValue, LiteralBits, ValueBody};
-use v3_compiler::CompileError;
-
-const R1_GATES_SOURCE: &str = include_str!("../fixtures/r1_gates.dag");
-const R1_GATES_TEMPLATE: &str = include_str!("../fixtures/r1_gates.template.dag");
-const R1_MOCK_BACKED_INVARIANT_GATE_SOURCE: &str =
-    include_str!("../fixtures/r1_mock_backed_invariant_gate.dag");
-const ON_DISK_LENS: &str = include_str!("../../../lenses/named_function_count.dag");
-
-/// Parallel-copy ratchet: must match `src/v3/lenses/named_function_count.dag` lines 15–25 and
-/// the stub `fn` block in `r1_gates.template.dag` (LensOutputEquals evaluates these fixture decls).
-const NAMED_FUNCTION_COUNT_FIXTURE_FN_BLOCK: &str = "fn count_named_bind(behavior: Behavior) -> Int =\n  match behavior {\n    Value(v) => 0\n    Transform(t) => 0\n    Branch(b) => 0\n    Loop(l) => 0\n    Bind(bind) => if bind.name == \"\" then 0 else 1\n  }\n\nfn named_function_count(d: Dag) -> Int =\n  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))";
-const ON_DISK_LENS_COMPOSITION_WITNESS: &str =
-    include_str!("../../../lenses/lens_composition_associative_witness.dag");
-
-// `r1_gates.dag` carries a parallel `fn lens_composition_op` for `DeclarationRef` lowering;
-// the runner checks the witness by name in `program_dag` only, but the bodies must not drift.
-const LENS_COMPOSITION_OP_DEF: &str = "fn lens_composition_op(a: Int, b: Int) -> Int = a + b";
-
-fn testclaim_string_field(dag: &Dag, gate_name: &str, label: &str) -> String {
-    let decl = dag
-        .declaration_by_name(gate_name)
-        .unwrap_or_else(|| panic!("missing declaration `{gate_name}`"));
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!("`{gate_name}` should carry a structural value body");
-    };
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .and_then(|(_, v)| match v {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("`{gate_name}` missing String field `{label}`"))
-}
-
-fn assert_compile_clean(source: &str, file_name: &str, label: &str) {
-    match compile_to_dag(source, file_name) {
-        Ok(dag) => assert!(
-            dag.diagnostics().is_empty(),
-            "{label} should compile with no diagnostics, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(CompileError::Semantic(d)) => panic!(
-            "{label} compile failed: {:?}",
-            d.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("{label}: unexpected compile error: {other:?}"),
-    }
-}
-
-#[test]
-fn r1_gates_fixture_compiles_against_bootstrap_context() {
-    assert_compile_clean(
-        R1_GATES_SOURCE,
-        "src/v3/compiler/tests/fixtures/r1_gates.dag",
-        "gate fixture `r1_gates.dag`",
-    );
-}
-
-#[test]
-fn r1_mock_backed_invariant_gate_fixture_compiles_against_bootstrap_context() {
-    assert_compile_clean(
-        R1_MOCK_BACKED_INVARIANT_GATE_SOURCE,
-        "src/v3/compiler/tests/fixtures/r1_mock_backed_invariant_gate.dag",
-        "gate fixture `r1_mock_backed_invariant_gate.dag`",
-    );
-}
-
-#[test]
-fn user_authored_lens_testclaim_payload_tracks_on_disk_lens_and_compiles() {
-    let gate_dag = match compile_to_dag(
-        R1_GATES_SOURCE,
-        "src/v3/compiler/tests/fixtures/r1_gates.dag",
-    ) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(d)) => panic!(
-            "gate fixture compile failed: {:?}",
-            d.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("gate fixture: unexpected compile error: {other:?}"),
-    };
-    assert!(
-        gate_dag.diagnostics().is_empty(),
-        "gate fixture should load cleanly, got {:?}",
-        gate_dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let source = testclaim_string_field(&gate_dag, "user_authored_lens_compiles_gate", "source");
-    let file_name =
-        testclaim_string_field(&gate_dag, "user_authored_lens_compiles_gate", "file_name");
-
-    assert_eq!(
-        source, ON_DISK_LENS,
-        "`TestClaim.source` in generated `r1_gates.dag` must match the canonical \
-         `src/v3/lenses/named_function_count.dag` (build.rs splice ratchet)"
-    );
-    assert_eq!(
-        file_name, "src/v3/lenses/named_function_count.dag",
-        "`TestClaim.file_name` should name the on-disk lens path for the Day-1 witness"
-    );
-
-    assert_compile_clean(
-        &source,
-        &file_name,
-        "TestClaim `source` payload (read from gate fixture)",
-    );
-}
-
-#[test]
-fn lens_composition_associative_testclaim_source_tracks_on_disk_witness() {
-    let gate_dag = match compile_to_dag(
-        R1_GATES_SOURCE,
-        "src/v3/compiler/tests/fixtures/r1_gates.dag",
-    ) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(d)) => panic!(
-            "gate fixture compile failed: {:?}",
-            d.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("gate fixture: unexpected compile error: {other:?}"),
-    };
-    assert!(
-        gate_dag.diagnostics().is_empty(),
-        "gate fixture should load cleanly, got {:?}",
-        gate_dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let source = testclaim_string_field(&gate_dag, "lens_composition_associative_gate", "source");
-    let file_name =
-        testclaim_string_field(&gate_dag, "lens_composition_associative_gate", "file_name");
-
-    assert_eq!(
-        source, ON_DISK_LENS_COMPOSITION_WITNESS,
-        "`TestClaim.source` must stay byte-identical to \
-         `src/v3/lenses/lens_composition_associative_witness.dag` \
-         (single authority for the witness program; update both together)"
-    );
-    assert_eq!(
-        file_name, "src/v3/lenses/lens_composition_associative_witness.dag",
-        "`TestClaim.file_name` should name the on-disk witness path"
-    );
-
-    assert_compile_clean(
-        &source,
-        &file_name,
-        "TestClaim `source` payload (lens_composition_associative witness)",
-    );
-}
-
-#[test]
-fn r1_gates_template_named_function_count_stubs_lockstep_on_disk_lens() {
-    assert!(
-        ON_DISK_LENS.contains(NAMED_FUNCTION_COUNT_FIXTURE_FN_BLOCK),
-        "on-disk `named_function_count.dag` should still carry the stub `fn` block this test pins"
-    );
-    assert!(
-        R1_GATES_TEMPLATE.contains(NAMED_FUNCTION_COUNT_FIXTURE_FN_BLOCK),
-        "`r1_gates.template.dag` fixture stubs must stay byte-identical to the canonical lens \
-         (LensOutputEquals applies the fixture DAG, not `program_dag`, until DeclarationRef cleanup)"
-    );
-}
-
-#[test]
-fn lens_composition_associative_r1_gates_stub_locksteps_witness_operator_line() {
-    // Byte-identical full line (not a substring match): keeps the parallel `fn lens_composition_op`
-    // in `r1_gates.dag` and `lens_composition_associative_witness.dag` from drifting apart.
-    for (label, source) in [
-        (
-            "src/v3/lenses/lens_composition_associative_witness.dag",
-            ON_DISK_LENS_COMPOSITION_WITNESS,
-        ),
-        (
-            "src/v3/compiler/tests/fixtures/r1_gates.dag",
-            R1_GATES_SOURCE,
-        ),
-    ] {
-        assert!(
-            source.lines().any(|line| line == LENS_COMPOSITION_OP_DEF),
-            "{label} must include a source line exactly equal to the shared stub:\n{LENS_COMPOSITION_OP_DEF:?}"
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/m1_5_verification_test.rs b/src/v3/compiler/tests/integration/m1_5_verification_test.rs
deleted file mode 100644
index f53c27d3041..00000000000
--- a/src/v3/compiler/tests/integration/m1_5_verification_test.rs
+++ /dev/null
@@ -1,1050 +0,0 @@
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    Behavior, Dag, DeclarationId, FieldValue, LiteralBits, PortId, PortState, TypeConnective,
-    ValueBody,
-};
-use v3_compiler::generated_full_bootstrap_dag;
-use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-use crate::common::{
-    assert_recursive_countdown_linear_semantics, escape_v3_string_literal_content,
-    run_on_larger_stack, symbolic_cost_as_v3_data_initializer,
-};
-
-fn compile_any(src: &str, file: &str) -> Dag {
-    match compile_to_dag(src, file) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => dag,
-        Err(other) => panic!("unexpected structural error: {other:?}"),
-    }
-}
-
-fn find_named(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("declaration `{name}` not found"))
-        .id
-}
-
-fn record_fields(dag: &Dag, name: &str) -> Vec<String> {
-    let id = find_named(dag, name);
-    match &dag.declaration(id).connective {
-        TypeConnective::Conj { children } => {
-            children.iter().map(|field| field.label.clone()).collect()
-        }
-        other => panic!("expected `{name}` to lower to a Conj, got {other:?}"),
-    }
-}
-
-fn sum_variants(dag: &Dag, name: &str) -> Vec<(String, Vec<String>)> {
-    let id = find_named(dag, name);
-    match &dag.declaration(id).connective {
-        TypeConnective::Disj { variants } => variants
-            .iter()
-            .map(|variant| {
-                let payload = match &dag.declaration(variant.ty).connective {
-                    TypeConnective::Conj { children } => {
-                        children.iter().map(|field| field.label.clone()).collect()
-                    }
-                    other => panic!(
-                        "expected variant `{}` under `{name}` to lower to a Conj payload, got {other:?}",
-                        variant.label
-                    ),
-                };
-                (variant.label.clone(), payload)
-            })
-            .collect(),
-        other => panic!("expected `{name}` to lower to a Disj, got {other:?}"),
-    }
-}
-
-fn find_bind_value_port(dag: &Dag, name: &str) -> PortId {
-    dag.nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Bind(bind) if bind.name == name => Some(bind.value),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-}
-
-fn bind_value_type_decl(dag: &Dag, name: &str) -> DeclarationId {
-    let value_port = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Bind(bind) if bind.name == name => Some(bind.value),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("bind `{name}` not found"));
-    match dag.port(value_port).state() {
-        PortState::Resolved(ty) => ty.declaration,
-        other => panic!("bind `{name}` did not resolve, got {other:?}"),
-    }
-}
-
-#[test]
-fn bootstrap_loads_verification_authority_types() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load staged std.verification cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    assert_eq!(
-        record_fields(&dag, "TestClaim"),
-        vec!["name", "source", "file_name", "predicate", "requires"]
-    );
-    assert_eq!(record_fields(&dag, "ProgramGenerator"), vec!["generator"]);
-    assert_eq!(
-        sum_variants(&dag, "ProgramShape"),
-        vec![(
-            String::from("LiteralProgram"),
-            vec![String::from("source"), String::from("file_name")]
-        )]
-    );
-    assert_eq!(
-        sum_variants(&dag, "Quantifier"),
-        vec![
-            (String::from("ForAll"), Vec::new()),
-            (String::from("Exists"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        record_fields(&dag, "QuantifiedTestClaim"),
-        vec!["name", "generator", "quantifier", "predicate", "requires"]
-    );
-    assert_eq!(
-        sum_variants(&dag, "SuiteClaim"),
-        vec![
-            (String::from("Enumerated"), vec![String::from("_0")]),
-            (String::from("Quantified"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(record_fields(&dag, "TestSuite"), vec!["name", "claims"]);
-    assert_eq!(
-        sum_variants(&dag, "DiagnosticKind"),
-        vec![
-            (String::from("TokenizerError"), Vec::new()),
-            (String::from("ParseError"), Vec::new()),
-            (String::from("TypeMismatch"), Vec::new()),
-            (String::from("ArityMismatch"), Vec::new()),
-            (String::from("ResolveError"), Vec::new()),
-            (String::from("UnitMismatch"), Vec::new()),
-            (String::from("BranchConditionNotBool"), Vec::new()),
-            (String::from("MagnitudeOutOfRange"), Vec::new()),
-            (String::from("MalformedIntegerRangeFact"), Vec::new()),
-            (String::from("NominalOpacityViolation"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        record_fields(&dag, "DiagnosticReference"),
-        vec![String::from("kind"), String::from("detail_contains")]
-    );
-    assert_eq!(
-        sum_variants(&dag, "DiagnosticDetailExpectation"),
-        vec![
-            (String::from("AnyDetail"), Vec::new()),
-            (String::from("Contains"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "PortStateExpectation"),
-        vec![
-            (String::from("Resolved"), Vec::new()),
-            (String::from("Unresolved"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "AlgebraicLawKind"),
-        vec![
-            (String::from("Associativity"), Vec::new()),
-            (String::from("Commutativity"), Vec::new()),
-            (String::from("Identity"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "TestPredicate"),
-        vec![
-            (String::from("Compiles"), Vec::new()),
-            (
-                String::from("FailsWithDiagnostic"),
-                vec![String::from("_0")],
-            ),
-            (String::from("OutputEquals"), vec![String::from("expected")],),
-            (
-                String::from("PortHasState"),
-                vec![String::from("bind_name"), String::from("state")],
-            ),
-            (
-                String::from("DeclarationHasRefinement"),
-                vec![String::from("declaration_name")],
-            ),
-            (
-                String::from("CostBounded"),
-                vec![
-                    String::from("bind_name"),
-                    String::from("comparator"),
-                    String::from("bound"),
-                ],
-            ),
-            (
-                String::from("BehavioralObservation"),
-                vec![
-                    String::from("subject"),
-                    String::from("input_sample"),
-                    String::from("expected_output"),
-                ],
-            ),
-            (
-                String::from("MockBackedInvariant"),
-                vec![String::from("subject"), String::from("invariant")],
-            ),
-            (
-                String::from("ExecuteCommand"),
-                vec![
-                    String::from("command"),
-                    String::from("args"),
-                    String::from("expect_exit_code"),
-                ],
-            ),
-            (
-                String::from("ForAllTargets"),
-                vec![
-                    String::from("command"),
-                    String::from("args"),
-                    String::from("expect_exit_code"),
-                    String::from("input_ref"),
-                ],
-            ),
-            (
-                String::from("LensOutputEquals"),
-                vec![
-                    String::from("lens_ref"),
-                    String::from("input_ref"),
-                    String::from("expected_ref"),
-                ],
-            ),
-            (
-                String::from("DifferentialEquals"),
-                vec![
-                    String::from("subject_ref"),
-                    String::from("oracle_ref"),
-                    String::from("input_ref"),
-                ],
-            ),
-            (
-                String::from("SymbolicCostExprEquals"),
-                vec![String::from("expected")],
-            ),
-            (
-                String::from("PerfWithinBaseline"),
-                vec![
-                    String::from("subject"),
-                    String::from("comparator"),
-                    String::from("baseline_ref"),
-                ],
-            ),
-            (
-                String::from("BinaryDimensionReportEquals"),
-                vec![
-                    String::from("left_report_ref"),
-                    String::from("right_report_ref"),
-                ],
-            ),
-            (
-                String::from("AlgebraicLaw"),
-                vec![String::from("law"), String::from("lens_ref")],
-            ),
-            (
-                String::from("CensusBoundCheck"),
-                vec![
-                    String::from("authority"),
-                    String::from("list_constant"),
-                    String::from("bound"),
-                ],
-            ),
-            (
-                String::from("CensusSubsetCount"),
-                vec![
-                    String::from("authority"),
-                    String::from("list_constant"),
-                    String::from("subset_predicate"),
-                ],
-            ),
-            (
-                String::from("FixedPointConverges"),
-                vec![String::from("compile_target"), String::from("expected")],
-            ),
-            (
-                String::from("RatchetZero"),
-                vec![String::from("authority"), String::from("ratchet_kind")],
-            ),
-            (
-                String::from("GeneratedFromDag"),
-                vec![String::from("authority"), String::from("manifest_entries")],
-            ),
-            (
-                String::from("ReleaseDeferredClaim"),
-                vec![
-                    String::from("deferred_gate"),
-                    String::from("target_lane"),
-                    String::from("authority_doc"),
-                ],
-            ),
-            (
-                String::from("SubstrateResearchDeferredClaim"),
-                vec![
-                    String::from("deferred_gate"),
-                    String::from("target_lane"),
-                    String::from("authority_doc"),
-                ],
-            ),
-            (
-                String::from("BridgeLedgerZero"),
-                vec![String::from("ledger")],
-            ),
-        ]
-    );
-}
-
-#[test]
-fn verification_predicate_witnesses_compile_cleanly() {
-    let src = r#"
-import std.list { empty }
-
-let pred_compiles: TestPredicate = Compiles
-let pred_fails: TestPredicate = FailsWithDiagnostic({ kind: ResolveError, detail_contains: Contains("missing") })
-let pred_fails_kind: TestPredicate = FailsWithDiagnostic({ kind: TypeMismatch, detail_contains: AnyDetail })
-let pred_output: TestPredicate = OutputEquals("let x: Int = 1")
-let pred_port_resolved: TestPredicate = PortHasState("answer", Resolved)
-let pred_port_unresolved: TestPredicate = PortHasState("missing", Unresolved)
-let pred_decl_refine: TestPredicate = DeclarationHasRefinement("PositiveInt")
-let pred_cost_eq: TestPredicate = CostBounded("answer", Eq, 8)
-let pred_cost_above: TestPredicate = CostBounded("answer", Gt, 3)
-let pred_exec: TestPredicate = ExecuteCommand("true", empty(), 0)
-
-let claim_compiles: TestClaim = {
-  name: "compiles",
-  source: "let x: Int = 1",
-  file_name: "compiles.v3",
-  predicate: pred_compiles,
-  requires: empty()
-}
-
-let claim_fails: TestClaim = {
-  name: "fails",
-  source: "let x: Bool = 1",
-  file_name: "fails.v3",
-  predicate: pred_fails,
-  requires: empty()
-}
-
-let claim_alias_refine: TestClaim = {
-  name: "alias_where_refine",
-  source: "type PositiveInt = Int where PositiveInt > 0",
-  file_name: "alias_refine.v3",
-  predicate: pred_decl_refine,
-  requires: empty()
-}
-
-let suite: TestSuite = {
-  name: "verification_smoke",
-  claims: [Enumerated(claim_compiles), Enumerated(claim_fails), Enumerated(claim_alias_refine)]
-}
-"#;
-
-    let dag = compile_any(src, "verification_witnesses.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "verification witnesses should compile cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let test_predicate = find_named(&dag, "TestPredicate");
-    for bind in [
-        "pred_compiles",
-        "pred_fails",
-        "pred_fails_kind",
-        "pred_output",
-        "pred_port_resolved",
-        "pred_port_unresolved",
-        "pred_decl_refine",
-        "pred_cost_eq",
-        "pred_cost_above",
-        "pred_exec",
-    ] {
-        assert_eq!(bind_value_type_decl(&dag, bind), test_predicate);
-    }
-    assert_eq!(
-        bind_value_type_decl(&dag, "claim_compiles"),
-        find_named(&dag, "TestClaim")
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "claim_fails"),
-        find_named(&dag, "TestClaim")
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "claim_alias_refine"),
-        find_named(&dag, "TestClaim")
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "suite"),
-        find_named(&dag, "TestSuite")
-    );
-}
-
-#[test]
-fn program_generator_authoring_surface_compiles_cleanly() {
-    let src = r#"
-data parse_smoke_generator: List<ProgramShape> = []
-
-let generator_ref: ProgramGenerator = { generator: parse_smoke_generator }
-"#;
-
-    let dag = compile_any(src, "program_generator_authoring_surface.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "ProgramGenerator authoring surface should compile cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    assert_eq!(
-        bind_value_type_decl(&dag, "generator_ref"),
-        find_named(&dag, "ProgramGenerator")
-    );
-}
-
-#[test]
-fn program_generator_rejects_empty_declaration_ref_literal() {
-    let src = r#"
-let generator_ref: ProgramGenerator = { generator: {  } }
-"#;
-
-    let dag = compile_any(src, "program_generator_empty_ref.v3");
-    assert!(
-        dag.diagnostics().iter().any(|diagnostic| {
-            format!("{diagnostic:?}").contains("must be a DeclarationRef edge")
-        }),
-        "empty DeclarationRef literal should fail-closed for ProgramGenerator.generator, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-/// PR-D (Evaluator Manager): cross-target equivalence harness — slice 0 `Compiles` claim plus
-/// slice 1 `DifferentialEquals` scaffold both compile and pass under `TestRunner` (see
-/// `docs/briefs/r2-pr-d-cross-target-equivalence-harness-primitives.md`).
-const R2_PR_D_HARNESS_FIXTURE: &str =
-    include_str!("../fixtures/r2_evaluator_cross_target_equivalence_harness_primitives.dag");
-const R2_PR_D_HARNESS_FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r2_evaluator_cross_target_equivalence_harness_primitives.dag";
-
-#[test]
-fn r2_pr_d_cross_target_equivalence_harness_primitives_suite_passes() {
-    let dag = match compile_to_dag(R2_PR_D_HARNESS_FIXTURE, R2_PR_D_HARNESS_FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{R2_PR_D_HARNESS_FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{R2_PR_D_HARNESS_FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {R2_PR_D_HARNESS_FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag)
-        .run_suite("r2_evaluator_cross_target_equivalence_harness_primitives_suite");
-    assert_eq!(results.len(), 2);
-    assert_eq!(
-        results[0].claim_name,
-        "evaluator_cross_target_equivalence_harness_primitives_landed"
-    );
-    assert_eq!(results[0].result, ClaimResult::Pass);
-    assert_eq!(
-        results[1].claim_name,
-        "evaluator_cross_target_equivalence_harness_primitives_differential_scaffold"
-    );
-    assert_eq!(results[1].result, ClaimResult::Pass);
-}
-
-/// PR-A (Evaluator Manager): runtime-value model — named structural gate
-/// `evaluator_runtime_value_model_landed` compiles and passes `Compiles`
-/// under `TestRunner` (see `docs/briefs/r2-pr-a-runtime-value-model.md`).
-const R2_PR_A_RUNTIME_VALUE_FIXTURE: &str =
-    include_str!("../fixtures/r2_evaluator_runtime_value_model.dag");
-const R2_PR_A_RUNTIME_VALUE_FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r2_evaluator_runtime_value_model.dag";
-
-#[test]
-fn r2_pr_a_runtime_value_model_suite_passes() {
-    let dag = match compile_to_dag(
-        R2_PR_A_RUNTIME_VALUE_FIXTURE,
-        R2_PR_A_RUNTIME_VALUE_FIXTURE_PATH,
-    ) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{R2_PR_A_RUNTIME_VALUE_FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{R2_PR_A_RUNTIME_VALUE_FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => {
-            panic!("unexpected compile error for {R2_PR_A_RUNTIME_VALUE_FIXTURE_PATH}: {other:?}")
-        }
-    };
-
-    let results = TestRunner::new(&dag).run_suite("r2_evaluator_runtime_value_model_suite");
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name,
-        "evaluator_runtime_value_model_landed"
-    );
-    assert_eq!(results[0].result, ClaimResult::Pass);
-}
-
-/// Tier-3 `PerfWithinBaseline` substrate smoke (`p99_delta_ns` + `AtMostBudget`).
-const R3_PERF_WITHIN_BASELINE_SMOKE_FIXTURE: &str =
-    include_str!("../fixtures/r3_perf_within_baseline_smoke.dag");
-const R3_PERF_WITHIN_BASELINE_SMOKE_FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r3_perf_within_baseline_smoke.dag";
-
-#[test]
-fn r3_perf_within_baseline_smoke_suite_passes() {
-    let dag = match compile_to_dag(
-        R3_PERF_WITHIN_BASELINE_SMOKE_FIXTURE,
-        R3_PERF_WITHIN_BASELINE_SMOKE_FIXTURE_PATH,
-    ) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{R3_PERF_WITHIN_BASELINE_SMOKE_FIXTURE_PATH}: semantic compile error: {:?}",
-            dag.diagnostics()
-        ),
-        Err(e) => panic!("{R3_PERF_WITHIN_BASELINE_SMOKE_FIXTURE_PATH}: unexpected error: {e:?}"),
-    };
-    assert!(
-        dag.diagnostics().is_empty(),
-        "{R3_PERF_WITHIN_BASELINE_SMOKE_FIXTURE_PATH}: expected no diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-    let results = TestRunner::new(&dag).run_suite("perf_within_smoke_suite");
-    assert_eq!(results.len(), 1, "expected one claim");
-    assert_eq!(
-        results[0].result,
-        ClaimResult::Pass,
-        "claim {:?}",
-        results[0].claim_name
-    );
-}
-
-/// TC2 (Evaluator Manager): evaluation-order independence theorem shape.
-/// **Author-now-fire-later** `BinaryDimensionReportEquals` consumer (unified predicate
-/// PR #1318) with strategy-order role declarations; runner report equality is NYI until
-/// `DimensionReport<C>` production lands. Strict-fire still waits on a second executable
-/// strategy (PR #1316 §4 P4).
-const TC2_EVALUATION_ORDER_FIXTURE: &str =
-    include_str!("../fixtures/tc2_evaluation_order_independence_deferred.dag");
-const TC2_EVALUATION_ORDER_FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/tc2_evaluation_order_independence_deferred.dag";
-// Test-harness containment: this fixture compiles enough bootstrap/runtime surface to
-// overflow the default harness stack in CI. Dissolution trigger: remove or centralize
-// this wrapper once the TC2 fixture runs on the default stack.
-const TC2_FIXTURE_TEST_STACK_BYTES: usize = 32 * 1024 * 1024;
-
-#[test]
-fn tc2_evaluation_order_independence_suite_passes() {
-    std::thread::Builder::new()
-        .stack_size(TC2_FIXTURE_TEST_STACK_BYTES)
-        .spawn(tc2_evaluation_order_independence_suite_passes_impl)
-        .expect("spawn larger-stack TC2 fixture test thread")
-        .join()
-        .expect("larger-stack TC2 fixture test thread panicked");
-}
-
-fn tc2_evaluation_order_independence_suite_passes_impl() {
-    let dag = match compile_to_dag(TC2_EVALUATION_ORDER_FIXTURE, TC2_EVALUATION_ORDER_FIXTURE_PATH)
-    {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{TC2_EVALUATION_ORDER_FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{TC2_EVALUATION_ORDER_FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => {
-            panic!("unexpected compile error for {TC2_EVALUATION_ORDER_FIXTURE_PATH}: {other:?}")
-        }
-    };
-
-    let results = TestRunner::new(&dag).run_suite("tc2_evaluation_order_independence_suite");
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name,
-        "evaluation_order_independent_lens_results"
-    );
-    // Predicate is `BinaryDimensionReportEquals` only; at head the runner returns NYI after
-    // shape validation. Do not assert on `reason` substrings (TESTING.md: avoid pinning message text).
-    assert!(
-        matches!(&results[0].result, ClaimResult::NotYetImplemented(_)),
-        "expected TC2 claim to stop at NYI (shape-valid `BinaryDimensionReportEquals`), got {:?}",
-        results[0].result
-    );
-}
-
-const BRIDGE_LEDGER_ZERO_SOURCE: &str =
-    include_str!("../fixtures/r3_bridge_retirement_ledger_zero.dag");
-const BRIDGE_LEDGER_ZERO_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r3_bridge_retirement_ledger_zero.dag";
-
-// Performance caches only: these amortize fixture/bootstrap compilation across
-// tests and are not part of the verification model or claim authority.
-static BRIDGE_LEDGER_ZERO_DAG: OnceLock<Dag> = OnceLock::new();
-
-fn bridge_ledger_zero_dag() -> &'static Dag {
-    BRIDGE_LEDGER_ZERO_DAG.get_or_init(|| {
-        compile_to_dag(BRIDGE_LEDGER_ZERO_SOURCE, BRIDGE_LEDGER_ZERO_PATH)
-            .expect("bridge ledger zero fixture compiles")
-    })
-}
-
-const RUST_DAG_ISOMORPHISM_SOURCE: &str =
-    include_str!("../fixtures/rust_dag_isomorphism_consumer.dag");
-const RUST_DAG_ISOMORPHISM_PATH: &str =
-    "src/v3/compiler/tests/fixtures/rust_dag_isomorphism_consumer.dag";
-static RUST_DAG_ISOMORPHISM_DAG: OnceLock<Dag> = OnceLock::new();
-
-fn rust_dag_isomorphism_dag() -> &'static Dag {
-    RUST_DAG_ISOMORPHISM_DAG.get_or_init(|| {
-        compile_to_dag(RUST_DAG_ISOMORPHISM_SOURCE, RUST_DAG_ISOMORPHISM_PATH)
-            .expect("RustDagIsomorphism consumer fixture compiles")
-    })
-}
-
-static BRIDGE_LEDGER_OPEN_ROW_NAMES: OnceLock<Vec<String>> = OnceLock::new();
-/// BridgeLedgerZero open-row bound is monotone non-increasing; PRs that decrease this
-/// count retire bridges, and PRs that need to increase it must update
-/// `r3-v-bridge-ratchet-test-design.md` §Per-Bridge Gate Audit and obtain
-/// Verification-Mgr acknowledgment.
-const EXPECTED_OPEN_BOUND: usize = 2;
-
-fn bridge_ledger_open_row_names() -> &'static [String] {
-    BRIDGE_LEDGER_OPEN_ROW_NAMES.get_or_init(|| {
-        let dag = generated_full_bootstrap_dag();
-        let retired_constructor = {
-            let bridge_status = dag
-                .declaration_by_name("BridgeStatus")
-                .expect("BridgeStatus missing from full bootstrap");
-            let TypeConnective::Disj { variants } = &bridge_status.connective else {
-                panic!("BridgeStatus is not a Disj");
-            };
-            variants
-                .iter()
-                .find(|variant| variant.label == "Retired")
-                .expect("Retired variant missing")
-                .ty
-        };
-        let bridge_ledger = dag
-            .declaration_by_name("bridge_ledger")
-            .expect("bridge_ledger missing from full bootstrap");
-        let Some(ValueBody::List(rows)) = &bridge_ledger.value_body else {
-            panic!("bridge_ledger must lower as a List value body");
-        };
-
-        rows.iter()
-            .filter_map(|row| {
-                let FieldValue::Record(fields) = row else {
-                    panic!("bridge_ledger row is not a record: {row:?}");
-                };
-                let constructor = match record_field(fields, "status") {
-                    FieldValue::Variant { constructor, .. } => *constructor,
-                    other => panic!("bridge_ledger status is not a variant: {other:?}"),
-                };
-                if constructor == retired_constructor {
-                    None
-                } else {
-                    Some(string_literal(record_field(fields, "name")).to_string())
-                }
-            })
-            .collect()
-    })
-}
-
-fn record_field<'a>(fields: &'a [(String, FieldValue)], label: &str) -> &'a FieldValue {
-    fields
-        .iter()
-        .find(|(l, _)| l == label)
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("record missing `{label}` field"))
-}
-
-fn string_literal(value: &FieldValue) -> &str {
-    match value {
-        FieldValue::Literal(LiteralBits::String(s)) => s.as_str(),
-        other => panic!("expected String literal, got {other:?}"),
-    }
-}
-
-#[test]
-fn r3_bridge_retirement_ledger_zero_open_row_count_ratchet() {
-    let results = TestRunner::new(bridge_ledger_zero_dag())
-        .run_suite("r3_bridge_retirement_ledger_zero_suite");
-    assert_eq!(results.len(), 1);
-    let reason = match &results[0].result {
-        ClaimResult::Fail(reason) => reason,
-        other => panic!("expected bridge ledger zero to be red at HEAD; got {other:?}"),
-    };
-
-    let open_rows = bridge_ledger_open_row_names();
-    assert!(
-        open_rows.len() <= EXPECTED_OPEN_BOUND,
-        "BridgeLedgerZero decreasing-open-count ratchet: current open-row count {} \
-         exceeds recorded bound {}; open rows: [{}]",
-        open_rows.len(),
-        EXPECTED_OPEN_BOUND,
-        open_rows.join(", ")
-    );
-    assert!(
-        !open_rows.is_empty(),
-        "when the canonical bridge ledger reaches zero open rows, re-arm this \
-         fixture expectation as a Pass ratchet in the same PR"
-    );
-    for row in open_rows {
-        assert!(
-            reason.contains(row),
-            "BridgeLedgerZero diagnostic must name open row `{row}`; got: {reason}"
-        );
-    }
-}
-
-#[test]
-fn rust_dag_isomorphism_executable_passes_dag_shape_report_gate() {
-    // P5 per-PR receipt for this expanded hand-Rust test harness: explicit deferral to
-    // ROADMAP.md "Course correction #1" / table row 1 ("One BinaryDimensionReportEquals
-    // path executes"). This test must continue to stop at the shape-valid NYI boundary
-    // until the generated DimensionReport/DagShapeReport path replaces the Rust harness.
-    std::thread::Builder::new()
-        .stack_size(32 * 1024 * 1024)
-        .spawn(|| {
-            let results = TestRunner::new(rust_dag_isomorphism_dag())
-                .run_suite("rust_dag_isomorphism_consumer_suite");
-            assert_eq!(results.len(), 1);
-            assert_eq!(results[0].claim_name, "rust_dag_isomorphism_executable");
-            assert!(
-                matches!(
-                    &results[0].result,
-                    ClaimResult::NotYetImplemented(reason)
-                        if reason.contains("BinaryDimensionReportEquals")
-                            && reason.contains("structural shape is valid")
-                            && reason.contains("RustEnumExtractionDagShapeReport")
-                            && reason.contains("DagReflectionDagShapeReport")
-                ),
-                "expected RustDagIsomorphism executable to stop at the \
-                 BinaryDimensionReportEquals shape-valid boundary; got {:?}",
-                results[0].result
-            );
-        })
-        .expect("spawn rust_dag_isomorphism stack")
-        .join()
-        .expect("rust_dag_isomorphism gate thread");
-}
-
-/// R3 gate #40 (`symbolic_cost_expr_equals_executable`): `SymbolicCostExprEquals` applies the
-/// symbolic-cost lens to `TestClaim.source` and compares against the declared expected `SymbolicCost`.
-const SYMBOLIC_COST_EXPR_EQUALS_SMOKE_FIXTURE: &str = r#"
-module std.symbolic_cost_expr_equals_smoke
-
-import std.verification {
-  SymbolicCostExprEquals,
-  TestClaim,
-  TestSuite
-}
-import std.algebra { SymbolicCost }
-
-data expected_lit_cost: SymbolicCost = ConstantCost(0)
-
-data symbolic_cost_expr_equals_claim: TestClaim = {
-  name: "literal_symbolic_cost_matches_expected",
-  source: "let lit: Int = 7",
-  file_name: "lit.v3",
-  predicate: SymbolicCostExprEquals(expected_lit_cost),
-  requires: []
-}
-
-data symbolic_cost_expr_equals_suite: TestSuite = {
-  name: "symbolic_cost_expr_equals_smoke_suite",
-  claims: [Enumerated(symbolic_cost_expr_equals_claim)]
-}
-"#;
-
-#[test]
-fn symbolic_cost_expr_equals_smoke_suite_passes() {
-    let dag = match compile_to_dag(
-        SYMBOLIC_COST_EXPR_EQUALS_SMOKE_FIXTURE,
-        "symbolic_cost_expr_equals_smoke.dag",
-    ) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "fixture should compile cleanly: {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "fixture semantic failure: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("fixture compile error: {other:?}"),
-    };
-    let results = TestRunner::new(&dag).run_suite("symbolic_cost_expr_equals_suite");
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name,
-        "literal_symbolic_cost_matches_expected"
-    );
-    assert_eq!(results[0].result, ClaimResult::Pass);
-}
-
-/// Representative program for gate **#40**: tail-recursive `countdown` (recursive call-site) plus
-/// top-level `demo` that composes `+` / `==` / `-` algebra instances (same fixture spine as gate **#70**).
-const SYMBOLIC_COST_EXPR_EQUALS_GATE40_COUNTDOWN_SOURCE: &str =
-    "fn countdown(n: Int) -> Int =\n  if n == 0 then 0 else countdown(n - 1)\n\nlet demo: Int = countdown(3) + 1\n";
-const SYMBOLIC_COST_EXPR_EQUALS_GATE40_COUNTDOWN_FILE: &str = "r3_gate40_countdown_demo.v3";
-
-#[test]
-fn symbolic_cost_expr_equals_countdown_demo_suite_passes() {
-    run_on_larger_stack(|| {
-        let program = compile_to_dag(
-            SYMBOLIC_COST_EXPR_EQUALS_GATE40_COUNTDOWN_SOURCE,
-            SYMBOLIC_COST_EXPR_EQUALS_GATE40_COUNTDOWN_FILE,
-        )
-        .unwrap_or_else(|e| panic!("gate #40 representative program should compile: {e:?}"));
-        assert!(
-            program.diagnostics().is_empty(),
-            "gate #40 program should compile cleanly: {:?}",
-            program.diagnostics().iter().collect::<Vec<_>>()
-        );
-
-        // Independent behavioral oracle for the recursive fixture (gate #78 / lane2d discipline):
-        // not derived from the `SymbolicCostExprEquals` roundtrip below — pins unary tail-recursion
-        // `LinearCost` normalization before we self-oracle `demo` through serialize→lower→runner.
-        let countdown_port = find_bind_value_port(&program, "countdown");
-        let countdown_cost = match symbolic_cost_lookup(&program, &countdown_port) {
-            SymbolicCostLookup::Hit(c) => c,
-            SymbolicCostLookup::Miss => {
-                panic!("symbolic_cost_lookup returned Miss for `countdown`")
-            }
-        };
-        assert_recursive_countdown_linear_semantics(&countdown_cost);
-
-        let demo_port = find_bind_value_port(&program, "demo");
-        let demo_cost = match symbolic_cost_lookup(&program, &demo_port) {
-            SymbolicCostLookup::Hit(c) => c,
-            SymbolicCostLookup::Miss => panic!("symbolic_cost_lookup returned Miss for `demo`"),
-        };
-        let cost_init = symbolic_cost_as_v3_data_initializer(&demo_cost);
-        let escaped_src =
-            escape_v3_string_literal_content(SYMBOLIC_COST_EXPR_EQUALS_GATE40_COUNTDOWN_SOURCE);
-        let module_src = format!(
-            r#"module std.symbolic_cost_expr_equals_gate40_countdown
-
-import std.verification {{
-  SymbolicCostExprEquals,
-  TestClaim,
-  TestSuite
-}}
-import std.algebra {{
-  SymbolicCost,
-  ConstantCost,
-  LinearCost,
-  LogCost,
-  PolynomialCost,
-  ProductCost,
-  SumCost,
-  UnknownCost,
-  unnamed_size_variable,
-  two_terms,
-  many_terms,
-  DegreeTwo,
-  DegreeSuccessor
-}}
-import std.substrate {{ PortId }}
-import std.list {{ cons, empty }}
-
-data expected_demo_symbolic_cost: SymbolicCost = {cost_init}
-
-data symbolic_cost_expr_equals_gate40_claim: TestClaim = {{
-  name: "r3_gate40_countdown_demo_symbolic_cost_expr_equals",
-  source: "{escaped_src}",
-  file_name: "{file_name}",
-  predicate: SymbolicCostExprEquals(expected_demo_symbolic_cost),
-  requires: []
-}}
-
-data symbolic_cost_expr_equals_gate40_suite: TestSuite = {{
-  name: "symbolic_cost_expr_equals_gate40_suite",
-  claims: [Enumerated(symbolic_cost_expr_equals_gate40_claim)]
-}}
-"#,
-            cost_init = cost_init,
-            escaped_src = escaped_src,
-            file_name = SYMBOLIC_COST_EXPR_EQUALS_GATE40_COUNTDOWN_FILE,
-        );
-
-        let dag = match compile_to_dag(
-            &module_src,
-            "symbolic_cost_expr_equals_gate40_countdown.dag",
-        ) {
-            Ok(dag) => {
-                assert!(
-                    dag.diagnostics().is_empty(),
-                    "gate #40 verification module should compile cleanly: {:?}",
-                    dag.diagnostics().iter().collect::<Vec<_>>()
-                );
-                dag
-            }
-            Err(CompileError::Semantic(dag)) => panic!(
-                "gate #40 verification module semantic failure: {:?}\n--- module ---\n{module_src}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            ),
-            Err(other) => panic!("gate #40 verification module compile error: {other:?}"),
-        };
-
-        let results = TestRunner::new(&dag).run_suite("symbolic_cost_expr_equals_gate40_suite");
-        assert_eq!(results.len(), 1);
-        assert_eq!(
-            results[0].claim_name,
-            "r3_gate40_countdown_demo_symbolic_cost_expr_equals"
-        );
-        assert_eq!(results[0].result, ClaimResult::Pass);
-    });
-}
-
-const SYMBOLIC_COST_EXPR_EQUALS_TYPE_MISMATCH_FIXTURE: &str = r#"
-module std.symbolic_cost_expr_equals_type_mismatch
-
-import std.verification {
-  SymbolicCostExprEquals,
-  TestClaim,
-  TestSuite
-}
-
-data not_symbolic_cost: Int = 0
-
-data symbolic_cost_expr_equals_type_mismatch_claim: TestClaim = {
-  name: "expected_must_normalize_to_symbolic_cost",
-  source: "let lit: Int = 7",
-  file_name: "lit.v3",
-  predicate: SymbolicCostExprEquals(not_symbolic_cost),
-  requires: []
-}
-
-data symbolic_cost_expr_equals_type_mismatch_suite: TestSuite = {
-  name: "symbolic_cost_expr_equals_type_mismatch_suite",
-  claims: [Enumerated(symbolic_cost_expr_equals_type_mismatch_claim)]
-}
-"#;
-
-#[test]
-fn symbolic_cost_expr_equals_fail_closed_when_expected_not_symbolic_cost() {
-    let dag = match compile_to_dag(
-        SYMBOLIC_COST_EXPR_EQUALS_TYPE_MISMATCH_FIXTURE,
-        "symbolic_cost_expr_equals_type_mismatch.dag",
-    ) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => panic!(
-            "fixture semantic failure: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("fixture compile error: {other:?}"),
-    };
-    let results = TestRunner::new(&dag).run_suite("symbolic_cost_expr_equals_type_mismatch_suite");
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name, "expected_must_normalize_to_symbolic_cost",
-        "fixture wiring"
-    );
-    let result = &results[0].result;
-    assert!(
-        matches!(result, ClaimResult::Fail(_)),
-        "expected ClaimResult::Fail for non-SymbolicCost expected ref; got {result:?}"
-    );
-    assert!(
-        !matches!(result, ClaimResult::NotYetImplemented(_)),
-        "must execute (not NYI shell); got {result:?}"
-    );
-}
-
-const SYMBOLIC_COST_EXPR_EQUALS_VALUE_MISMATCH_FIXTURE: &str = r#"
-module std.symbolic_cost_expr_equals_value_mismatch
-
-import std.verification {
-  SymbolicCostExprEquals,
-  TestClaim,
-  TestSuite
-}
-import std.algebra { SymbolicCost }
-
-data wrong_expected_lit_cost: SymbolicCost = ConstantCost(99)
-
-data symbolic_cost_expr_equals_value_mismatch_claim: TestClaim = {
-  name: "literal_symbolic_cost_value_mismatch",
-  source: "let lit: Int = 7",
-  file_name: "lit.v3",
-  predicate: SymbolicCostExprEquals(wrong_expected_lit_cost),
-  requires: []
-}
-
-data symbolic_cost_expr_equals_value_mismatch_suite: TestSuite = {
-  name: "symbolic_cost_expr_equals_value_mismatch_suite",
-  claims: [Enumerated(symbolic_cost_expr_equals_value_mismatch_claim)]
-}
-"#;
-
-#[test]
-fn symbolic_cost_expr_equals_fail_closed_on_symbolic_cost_value_mismatch() {
-    let dag = match compile_to_dag(
-        SYMBOLIC_COST_EXPR_EQUALS_VALUE_MISMATCH_FIXTURE,
-        "symbolic_cost_expr_equals_value_mismatch.dag",
-    ) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => panic!(
-            "fixture semantic failure: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("fixture compile error: {other:?}"),
-    };
-    let results = TestRunner::new(&dag).run_suite("symbolic_cost_expr_equals_value_mismatch_suite");
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name, "literal_symbolic_cost_value_mismatch",
-        "fixture wiring"
-    );
-    let result = &results[0].result;
-    assert!(
-        matches!(result, ClaimResult::Fail(_)),
-        "expected ClaimResult::Fail on ConstantCost mismatch; got {result:?}"
-    );
-    assert!(
-        !matches!(result, ClaimResult::NotYetImplemented(_)),
-        "must execute (not NYI shell); got {result:?}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m1_fn_external_body_reconciliation_test.rs b/src/v3/compiler/tests/integration/m1_fn_external_body_reconciliation_test.rs
deleted file mode 100644
index 122db2afc19..00000000000
--- a/src/v3/compiler/tests/integration/m1_fn_external_body_reconciliation_test.rs
+++ /dev/null
@@ -1,63 +0,0 @@
-// DB-16 — `FnExternalBody` / `ArrowBody::Unparsed` semantic reconciliation.
-//
-// Host-backed pipeline stages parse as `FnExternalBody` → `Unparsed`, then
-// `materialize_pipeline_realizations` rewrites each bound stage to
-// `ExternalRealization`. This test locks that case-2 path.
-
-use v3_compiler::dag::{ArrowBody, Dag, TypeConnective};
-
-/// Pipeline stage order is read structurally from `PipelineStageBinding`
-/// declarations in the Dag — the `fn compile { ... }` body span is no
-/// longer the ordering authority. Pin the literal sequence so a stray
-/// reorder of bindings in `pipeline.dag` fails closed (rather than
-/// agreeing with itself through the same code path).
-#[test]
-fn pipeline_stage_order_is_read_structurally_from_bindings() {
-    let actual = v3_compiler::pipeline_compile_order_stage_names()
-        .expect("pipeline stage order must resolve");
-
-    let expected = vec![
-        "parse".to_string(),
-        "lower".to_string(),
-        "infer".to_string(),
-        "compute_ownership".to_string(),
-        "lens_complexity".to_string(),
-        "emit".to_string(),
-    ];
-
-    assert_eq!(
-        actual, expected,
-        "pipeline stage order must match the canonical L1.5 pipeline; \
-         update `pipeline.dag` bindings and `fn compile` body together"
-    );
-}
-
-#[test]
-fn pipeline_stages_lower_to_external_realization_not_unparsed() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap DAG should be clean, got {:?}",
-        dag.diagnostics()
-    );
-
-    let stages = v3_compiler::pipeline_compile_order_stage_names()
-        .expect("pipeline.dag `compile` body must list stages");
-    for stage in stages {
-        let decl = dag.declaration_by_name(&stage).unwrap_or_else(|| {
-            panic!("pipeline stage `{stage}` missing from bootstrap DAG");
-        });
-        let TypeConnective::Arrow { body, .. } = &decl.connective else {
-            panic!("pipeline stage `{stage}` must lower to an Arrow");
-        };
-        match body {
-            ArrowBody::ExternalRealization(_) => {}
-            ArrowBody::Unparsed(_) => panic!(
-                "pipeline stage `{stage}` still has Unparsed body — \
-                 the PipelineStageBinding bootstrap pass did not run \
-                 or is broken. This is the DB-16 case-2 dissolution gate."
-            ),
-            other => panic!("pipeline stage `{stage}` has unexpected body {other:?}"),
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/m1_lens_structural_resolution_test.rs b/src/v3/compiler/tests/integration/m1_lens_structural_resolution_test.rs
deleted file mode 100644
index 2b6c2da63b6..00000000000
--- a/src/v3/compiler/tests/integration/m1_lens_structural_resolution_test.rs
+++ /dev/null
@@ -1,47 +0,0 @@
-// W3 — `lens_structural_resolution` integration receipts.
-//
-// The direct-Dag synthetic cases now live in
-// `src/v3/compiler/src/lib.rs::lens_structural_resolution::tests`, where
-// crate-private declaration mutation is reachable without a public shim.
-// This file keeps only receipts that still need real source lowering.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::lens_structural_resolution::{check, UnresolvedArrowBody};
-
-fn violations(dag: &v3_compiler::Dag) -> Vec<UnresolvedArrowBody> {
-    check(dag)
-}
-
-#[test]
-fn lens_silent_on_named_user_defined_fn() {
-    let dag = compile_to_dag("fn foo(x: Int) -> Int = x", "user.v3").expect("compiles");
-    let found = violations(&dag);
-    assert!(
-        found.is_empty(),
-        "user fn with UserDefined body must not be flagged, got {} hit(s)",
-        found.len()
-    );
-}
-
-#[test]
-fn lens_silent_on_anonymous_arrow_type_expression() {
-    let dag =
-        compile_to_dag("type Callback { handler: fn(Int) -> Int }", "user.v3").expect("compiles");
-    let found = violations(&dag);
-    assert!(
-        found.is_empty(),
-        "anonymous fn-type expressions must not be flagged, got {} hit(s)",
-        found.len()
-    );
-}
-
-#[test]
-fn lens_silent_on_named_type_alias_to_arrow() {
-    let dag = compile_to_dag("type Callback = fn(Int) -> Int", "user.v3").expect("compiles");
-    let found = violations(&dag);
-    assert!(
-        found.is_empty(),
-        "named type-alias arrow (NoBody) must not be flagged, got {} hit(s)",
-        found.len()
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m1_substrate_test.rs b/src/v3/compiler/tests/integration/m1_substrate_test.rs
deleted file mode 100644
index c343cbddde1..00000000000
--- a/src/v3/compiler/tests/integration/m1_substrate_test.rs
+++ /dev/null
@@ -1,3595 +0,0 @@
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    ArrowBody, AtomPayload, Behavior, BranchPattern, Dag, DeclarationId, PortState,
-    TransformTarget, TypeConnective,
-};
-use v3_compiler::operators::{ArithmeticOp, ComparisonOp, LogicalOp, OperatorKind};
-use v3_compiler::Diagnostic;
-
-use crate::common::substrate_receipts::{
-    assert_bootstrap_float_aliases_real_width_refinements,
-    assert_bootstrap_int32_compose_int_machine_width,
-    assert_bootstrap_int64_compose_int_machine_width,
-    assert_bootstrap_int_is_group_completion_of_nat,
-    assert_bootstrap_nat_is_commutative_semiring_magnitude,
-    assert_bootstrap_numeric_aliases_align_to_refinements,
-    assert_bootstrap_rational_is_field_of_fractions_int,
-    assert_bootstrap_real_aliases_align_to_refinements,
-    assert_bootstrap_real_is_approximate_field_of_fractions_int,
-    assert_bootstrap_string_is_free_monoid_char, bind_named, bind_value_type_decl,
-    callable_instantiation_arguments, field, find_named, transforms_in_source_file,
-};
-use crate::common::{cached_compile_any, cached_compile_to_dag};
-
-fn compile_any(src: &str, file: &str) -> Dag {
-    cached_compile_any(src, file)
-}
-
-#[test]
-fn operator_helpers_round_trip_from_dag_authority() {
-    for (symbol, op, field_name) in [
-        ("+", OperatorKind::Arithmetic(ArithmeticOp::Add), "add"),
-        ("-", OperatorKind::Arithmetic(ArithmeticOp::Sub), "sub"),
-        ("*", OperatorKind::Arithmetic(ArithmeticOp::Mul), "mul"),
-        ("/", OperatorKind::Arithmetic(ArithmeticOp::Div), "div"),
-        ("==", OperatorKind::Comparison(ComparisonOp::Eq), "eq"),
-        ("!=", OperatorKind::Comparison(ComparisonOp::Ne), "ne"),
-        ("<", OperatorKind::Comparison(ComparisonOp::Lt), "lt"),
-        ("<=", OperatorKind::Comparison(ComparisonOp::Le), "le"),
-        (">", OperatorKind::Comparison(ComparisonOp::Gt), "gt"),
-        (">=", OperatorKind::Comparison(ComparisonOp::Ge), "ge"),
-        ("&&", OperatorKind::Logical(LogicalOp::And), "meet"),
-        ("||", OperatorKind::Logical(LogicalOp::Or), "join"),
-    ] {
-        assert_eq!(v3_compiler::operators::from_symbol(symbol), Some(op));
-        assert_eq!(v3_compiler::operators::symbol(op), symbol);
-        assert_eq!(v3_compiler::operators::algebra_field_name(op), field_name);
-    }
-}
-
-#[test]
-fn bootstrap_int64_compose_int_machine_width_per_gate_19() {
-    // R3 gate #19: fixed-width integers refine abstract `Int` via Compose × MachineWidth,
-    // not parallel OrderedRing<Word*> substrate.
-    assert_bootstrap_int64_compose_int_machine_width(&Dag::new());
-}
-
-#[test]
-fn bootstrap_numeric_aliases_align_to_refinements_per_gate_19() {
-    // R3 gate #19 covers the fixed public numeric aliases: Int*/UInt* compose
-    // abstract integer carriers with MachineWidth, while Float* aliases the
-    // canonical Real* width refinements.
-    assert_bootstrap_numeric_aliases_align_to_refinements(&Dag::new());
-}
-
-#[test]
-fn bootstrap_real_and_float_width_refinements_per_gate_18() {
-    let dag = Dag::new();
-    assert_bootstrap_real_aliases_align_to_refinements(&dag);
-    assert_bootstrap_float_aliases_real_width_refinements(&dag);
-}
-
-#[test]
-fn bootstrap_nat_is_commutative_semiring_magnitude() {
-    assert_bootstrap_nat_is_commutative_semiring_magnitude(&Dag::new());
-}
-
-#[test]
-fn bootstrap_int_is_group_completion_of_nat() {
-    assert_bootstrap_int_is_group_completion_of_nat(&Dag::new());
-}
-
-#[test]
-fn bootstrap_rational_is_field_of_fractions_int() {
-    assert_bootstrap_rational_is_field_of_fractions_int(&Dag::new());
-}
-
-#[test]
-fn bootstrap_real_is_approximate_field_of_fractions_int() {
-    assert_bootstrap_real_is_approximate_field_of_fractions_int(&Dag::new());
-}
-
-#[test]
-fn bootstrap_string_audit_receipt_per_gate_23() {
-    assert_bootstrap_string_is_free_monoid_char(&Dag::new());
-}
-
-#[test]
-fn bootstrap_int32_compose_int_machine_width_per_gate_67() {
-    assert_bootstrap_int32_compose_int_machine_width(&Dag::new());
-}
-
-#[test]
-fn bootstrap_inventory_stays_typed_and_cached() {
-    let dag = Dag::new();
-    for (shape, name) in [
-        (dag.int_shape().expect("Int cached"), "Int"),
-        (dag.bool_shape().expect("Bool cached"), "Bool"),
-        (dag.string_shape().expect("String cached"), "String"),
-    ] {
-        assert_eq!(
-            shape,
-            v3_compiler::types::TypeShape::new(find_named(&dag, name))
-        );
-    }
-
-    for decl_id in [
-        dag.bind_marker().expect("Bind marker"),
-        dag.branch_marker().expect("Branch marker"),
-        dag.loop_marker().expect("Loop marker"),
-        dag.transform_marker().expect("Transform marker"),
-        dag.value_marker().expect("ValueBehavior marker"),
-        dag.main_marker().expect("Main marker"),
-        dag.declaration_ref_marker().expect("DeclarationRef marker"),
-        dag.type_realization_meta().expect("TypeRealization meta"),
-        dag.type_instantiation_realization_meta()
-            .expect("TypeInstantiationRealization meta"),
-        dag.operator_realization_meta()
-            .expect("OperatorRealization meta"),
-        dag.behavior_realization_meta()
-            .expect("BehaviorRealization meta"),
-        dag.callable_realization_meta()
-            .expect("CallableRealization meta"),
-        dag.pattern_realization_meta()
-            .expect("PatternRealization meta"),
-    ] {
-        assert!(
-            matches!(
-                dag.declaration(decl_id).connective,
-                TypeConnective::Conj { .. }
-            ),
-            "bootstrap cache should point at Conj authorities"
-        );
-    }
-
-    let rust_language = dag
-        .rust_language_spec()
-        .expect("rust_language syntax bundle should be cached");
-    let rust_language_labels = match dag.declaration(rust_language).value_body.as_ref() {
-        Some(v3_compiler::dag::ValueBody::Structural { fields }) => fields
-            .iter()
-            .map(|(label, _)| label.as_str())
-            .collect::<Vec<_>>(),
-        other => panic!("rust_language must lower structurally, got {other:?}"),
-    };
-    assert_eq!(
-        rust_language_labels,
-        vec![
-            "statements",
-            "expressions",
-            "control_flow",
-            "literals",
-            "modules",
-            "functions",
-            "type_applications",
-            "type_definitions",
-            "record_derive_templates",
-            "patterns",
-            "collection_ops",
-            "values",
-        ]
-    );
-
-    let rust_rendering = dag
-        .rust_rendering_spec()
-        .expect("rust_rendering bundle should be cached");
-    let rust_rendering_labels = match dag.declaration(rust_rendering).value_body.as_ref() {
-        Some(v3_compiler::dag::ValueBody::Structural { fields }) => fields
-            .iter()
-            .map(|(label, _)| label.as_str())
-            .collect::<Vec<_>>(),
-        other => panic!("rust_rendering must lower structurally, got {other:?}"),
-    };
-    assert_eq!(rust_rendering_labels, vec!["read", "construct"]);
-
-    assert!(matches!(
-        dag.declaration(find_named(&dag, "RenderingModel"))
-            .connective,
-        TypeConnective::Conj { .. }
-    ));
-    assert!(matches!(
-        dag.declaration(find_named(&dag, "ReadStrategy")).connective,
-        TypeConnective::Disj { .. }
-    ));
-    assert!(matches!(
-        dag.declaration(find_named(&dag, "ConstructStrategy"))
-            .connective,
-        TypeConnective::Disj { .. }
-    ));
-}
-
-#[test]
-fn bootstrap_child_declarations_stay_anonymous_and_structural() {
-    let dag = Dag::new();
-    for name in [
-        "T",
-        "True",
-        "False",
-        "Less",
-        "Equal",
-        "Greater",
-        "Int64_add_rust",
-        "Int64_add",
-    ] {
-        assert!(
-            dag.declaration_by_name(name).is_none(),
-            "child declaration `{name}` must not leak through declaration_by_name"
-        );
-    }
-
-    assert!(dag.declaration_by_name("Int").is_some());
-    assert!(dag.declaration_by_name("OrderedRing").is_some());
-    assert!(dag.declaration_by_name("Classical").is_some());
-
-    let ordered_ring_fields = match &dag.declaration(find_named(&dag, "OrderedRing")).connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("OrderedRing should be a Conj, got {other:?}"),
-    };
-    for label in [
-        "add", "sub", "mul", "div", "eq", "ne", "lt", "le", "gt", "ge",
-    ] {
-        assert!(
-            ordered_ring_fields.iter().any(|field| field.label == label),
-            "OrderedRing missing direct operator field `{label}`"
-        );
-    }
-
-    let magma_decl = dag.declaration(find_named(&dag, "Magma"));
-    let magma_fields = match &magma_decl.connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("Magma should be a Conj, got {other:?}"),
-    };
-    assert_eq!(magma_fields.len(), 1);
-    assert_eq!(magma_fields[0].label, "op");
-    assert_eq!(magma_decl.type_params.len(), 1);
-    assert!(matches!(
-        dag.declaration(magma_decl.type_params[0]).connective,
-        TypeConnective::Atom(AtomPayload::TypeParam(_))
-    ));
-}
-
-#[test]
-fn synthetic_service_compile_receipt_uses_nested_conjs() {
-    let dag = compile_any(
-        "\
-type SyntheticService { }
-type SyntheticOperation { }
-type RunInput { }
-type RunOutput { }
-type RunArguments { }
-type CmdExec_Run { input: RunInput output: RunOutput arguments: RunArguments }
-type CmdExec_Operations { Run: CmdExec_Run }
-type CmdExec { operations: CmdExec_Operations }
-",
-        "synthetic.v3",
-    );
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-
-    let cmd_exec_fields = match &dag.declaration(find_named(&dag, "CmdExec")).connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("CmdExec should lower to a Conj, got {other:?}"),
-    };
-    let operations = field(cmd_exec_fields, "operations").ty;
-    let run = match &dag.declaration(operations).connective {
-        TypeConnective::Conj { children } => field(children, "Run").ty,
-        other => panic!("CmdExec_Operations should lower to a Conj, got {other:?}"),
-    };
-    let run_fields = match &dag.declaration(run).connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("CmdExec_Run should lower to a Conj, got {other:?}"),
-    };
-    for label in ["input", "output", "arguments"] {
-        let child = field(run_fields, label).ty;
-        assert!(
-            matches!(
-                dag.declaration(child).connective,
-                TypeConnective::Conj { .. }
-            ),
-            "CmdExec_Run.{label} should point at a Conj carrier"
-        );
-    }
-
-    for name in ["SyntheticService", "SyntheticOperation"] {
-        assert!(matches!(
-            dag.declaration(find_named(&dag, name)).connective,
-            TypeConnective::Conj { .. }
-        ));
-    }
-}
-
-#[test]
-fn m17_operator_lowers_to_structural_transform_target() {
-    // Class 2: `let x = 1 + 2` lowers to a Transform whose
-    // `target: TransformTarget::Operator(Arithmetic(Add))`. No
-    // anonymous stub declaration is allocated for the operator
-    // symbol; the dispatch fact lives on the Transform's variant.
-    let dag = cached_compile_to_dag("let x = 1 + 2", "test.v3");
-    let add_node = transforms_in_source_file(&dag, "test.v3")
-        .next()
-        .expect("Transform node exists");
-    match &add_node.target {
-        TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)) => {}
-        other => panic!("expected TransformTarget::Operator(Arithmetic(Add)), got {other:?}"),
-    }
-}
-
-#[test]
-fn m17_comparison_operator_lowers_to_structural_transform_target() {
-    // Class 2: comparison operators commit to the
-    // `OperatorKind::Comparison` variant at parse time. The
-    // arithmetic-vs-comparison split is structural, not a sibling
-    // string match.
-    let dag = cached_compile_to_dag("let y = 1 < 2", "test.v3");
-    let cmp_node = transforms_in_source_file(&dag, "test.v3")
-        .next()
-        .expect("Transform node exists");
-    match &cmp_node.target {
-        TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Lt)) => {}
-        other => panic!("expected TransformTarget::Operator(Comparison(Lt)), got {other:?}"),
-    }
-}
-
-#[test]
-fn m17_user_function_call_lowers_to_callable_target() {
-    // Class 2: user function calls still resolve to
-    // `TransformTarget::Callable(DeclarationId)`. The split between
-    // operator and callable is discriminated structurally at
-    // lowering time based on the `SurfaceExpr` variant the parser
-    // committed to.
-    let src = "fn f(x: Int) -> Int = x + 1\nlet y = f(5)";
-    let dag = cached_compile_to_dag(src, "test.v3");
-    let f_call = transforms_in_source_file(&dag, "test.v3")
-        .find(|t| matches!(&t.target, TransformTarget::Callable(_)))
-        .expect("Callable Transform exists");
-    let target_id = match &f_call.target {
-        TransformTarget::Callable(id) => *id,
-        _ => unreachable!(),
-    };
-    let name = dag.declaration(target_id).name.as_deref();
-    assert_eq!(
-        name,
-        Some("f"),
-        "Callable target points at user function `f`"
-    );
-}
-
-#[test]
-fn m17_brace_bodied_fn_parses_single_expr_to_user_defined_arrow_body() {
-    // Prereq-2 slice: `fn foo(x: Int) -> Int { x + 1 }` parses as
-    // `SurfaceItem::Fn` with a real `SurfaceExpr` body and lowers to
-    // `ArrowBody::UserDefined` (Bind), not `FnExternalBody` /
-    // `ArrowBody::Unparsed`.
-    let src = "fn foo(x: Int) -> Int { x + 1 }";
-    let dag = compile_any(src, "brace_fn_user_defined.v3");
-
-    // The `foo` declaration exists and carries the right Arrow
-    // signature.
-    let foo_id = find_named(&dag, "foo");
-    let (inputs, output, body) = match &dag.declaration(foo_id).connective {
-        TypeConnective::Arrow {
-            inputs,
-            output,
-            body,
-        } => (inputs.clone(), *output, body.clone()),
-        other => panic!("expected Arrow, got {other:?}"),
-    };
-    assert_eq!(inputs.len(), 1);
-    assert!(
-        matches!(body, ArrowBody::UserDefined(_)),
-        "brace-bodied fn with a single expression body must carry ArrowBody::UserDefined, got {body:?}"
-    );
-
-    // The signature types resolve to the cached primitives.
-    let int_id = find_named(&dag, "Int");
-    let input_decl = dag.declaration(inputs[0]);
-    let resolved_input_id = match &input_decl.connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(id))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(id)) => *id,
-        TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name)) => {
-            panic!("input still unresolved: {name}")
-        }
-        _ => inputs[0],
-    };
-    let resolved_output_id = match &dag.declaration(output).connective {
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(id))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(id)) => *id,
-        _ => output,
-    };
-    assert_eq!(resolved_input_id, int_id);
-    assert_eq!(resolved_output_id, int_id);
-}
-
-#[test]
-fn m17_brace_fn_body_accepts_type_labeled_record_literal() {
-    // `parse_field_label` accepts `type` (KwType) as a field name; brace-fn
-    // record lookahead must match `parse_record_literal`, not only `{ ident:`.
-    let src = "fn typed_field() -> Int { type: 1 }";
-    let tokens = v3_compiler::tokenize_for_test(src, "brace_fn_type_field.v3").expect("tokenize");
-    let module = v3_compiler::parse_for_test(&tokens, "brace_fn_type_field.v3").expect("parse");
-    let item = module
-        .items
-        .iter()
-        .find(|i| matches!(i, v3_compiler::parse_surface::SurfaceItem::Fn { name, .. } if name == "typed_field"))
-        .expect("typed_field fn");
-    let v3_compiler::parse_surface::SurfaceItem::Fn { body, .. } = item else {
-        panic!("expected Fn, got {item:?}");
-    };
-    assert!(
-        matches!(body, v3_compiler::parse_surface::SurfaceExpr::Record { .. }),
-        "expected Record literal body, got {body:?}"
-    );
-}
-
-#[test]
-fn m17_brace_fn_body_accepts_string_keyed_map_literal() {
-    // Same `{ "key": expr }` disambiguation as `parse_data_item` — map literals
-    // must not fall through to `parse_expr` (record parser rejects string keys).
-    let src = "fn map_body(x: Int) -> Int { \"k\": x }";
-    let tokens = v3_compiler::tokenize_for_test(src, "brace_fn_map_body.v3").expect("tokenize");
-    let module = v3_compiler::parse_for_test(&tokens, "brace_fn_map_body.v3").expect("parse");
-    let item = module
-        .items
-        .iter()
-        .find(|i| matches!(i, v3_compiler::parse_surface::SurfaceItem::Fn { name, .. } if name == "map_body"))
-        .expect("map_body fn");
-    let v3_compiler::parse_surface::SurfaceItem::Fn { body, .. } = item else {
-        panic!("expected Fn, got {item:?}");
-    };
-    assert!(
-        matches!(body, v3_compiler::parse_surface::SurfaceExpr::Map { .. }),
-        "expected Map literal body, got {body:?}"
-    );
-}
-
-#[test]
-fn m17_brace_fn_body_accepts_empty_record_literal() {
-    // `{}` is a valid zero-field `SurfaceExpr::Record`; brace-fn record lookahead
-    // must match `looks_like_record_literal` / `parse_data_item` (`{` then `}`).
-    let src = "fn empty_rec() -> Int {}";
-    let tokens = v3_compiler::tokenize_for_test(src, "brace_fn_empty_record.v3").expect("tokenize");
-    let module = v3_compiler::parse_for_test(&tokens, "brace_fn_empty_record.v3").expect("parse");
-    let item = module
-        .items
-        .iter()
-        .find(|i| matches!(i, v3_compiler::parse_surface::SurfaceItem::Fn { name, .. } if name == "empty_rec"))
-        .expect("empty_rec fn");
-    let v3_compiler::parse_surface::SurfaceItem::Fn { body, .. } = item else {
-        panic!("expected Fn, got {item:?}");
-    };
-    match body {
-        v3_compiler::parse_surface::SurfaceExpr::Record { fields, .. } => {
-            assert!(
-                fields.is_empty(),
-                "expected empty record literal fields, got {fields:?}"
-            );
-        }
-        other => panic!("expected Record body, got {other:?}"),
-    }
-}
-
-#[test]
-fn m17_dag_corpus_brace_fn_stays_fn_external_body_at_parse_time() {
-    // Parser gate (`fn_brace_body_parse_as_expression`): staged `.dag`
-    // sources keep the legacy `FnExternalBody` surface even when the
-    // brace contents are a single expressible `match` — bootstrap byte
-    // stability and `ArrowBody::Unparsed` contracts for std/ remain
-    // unchanged until an explicit corpus opt-in regen.
-    let src = "fn staged(x: Int) -> Int {\n  match x { A => 1 }\n}";
-    let tokens = v3_compiler::tokenize_for_test(src, "src/v3/std/corpus.dag").expect("tokenize");
-    let module = v3_compiler::parse_for_test(&tokens, "src/v3/std/corpus.dag").expect("parse");
-    let item = module
-        .items
-        .iter()
-        .find(|i| match i {
-            v3_compiler::parse_surface::SurfaceItem::FnExternalBody { name, .. }
-            | v3_compiler::parse_surface::SurfaceItem::Fn { name, .. } => name == "staged",
-            _ => false,
-        })
-        .expect("staged fn");
-    assert!(
-        matches!(
-            item,
-            v3_compiler::parse_surface::SurfaceItem::FnExternalBody { .. }
-        ),
-        "authority .dag sources must keep brace-bodied fn on FnExternalBody at parse time, got {item:?}"
-    );
-}
-
-#[test]
-fn m17_multi_statement_brace_fn_in_v3_falls_back_to_unparsed_arrow() {
-    // Multi-statement / unparseable-as-single-expr brace bodies in `.v3`
-    // hit `parse_expr` failure or non-exhausting-`}` recovery →
-    // `FnExternalBody` → `ArrowBody::Unparsed` (opaque scaffold ratchet).
-    //
-    // M1(2.8) R14: user-range `ArrowBody::Unparsed` must still fail the
-    // `compile_to_dag` boundary (`Err(Semantic)` with diagnostics) — do not
-    // use `compile_any` here, which collapses clean vs semantic outcomes.
-    // See `m18_r14_user_block_bodied_fn_is_rejected`.
-    let src = "fn staged(x: Int) -> Int {\n  let y = x + 1\n  y + 1\n}";
-    let result = compile_to_dag(src, "multi_stmt_fn.v3");
-    assert!(
-        result.is_err(),
-        "user-range opaque fn body must fail compile_to_dag (R14), not compile cleanly"
-    );
-    let dag = match result {
-        Err(v3_compiler::CompileError::Semantic(dag)) => dag,
-        other => panic!("expected CompileError::Semantic, got {other:?}"),
-    };
-    let foo_id = find_named(&dag, "staged");
-    let body = match &dag.declaration(foo_id).connective {
-        TypeConnective::Arrow { body, .. } => body.clone(),
-        other => panic!("expected Arrow, got {other:?}"),
-    };
-    assert!(
-        matches!(body, ArrowBody::Unparsed(_)),
-        "multi-statement brace body in .v3 should lower to ArrowBody::Unparsed, got {body:?}"
-    );
-}
-
-#[test]
-fn m17_multi_statement_brace_fn_parse_surface_stays_fn_external_body() {
-    // Parse-phase receipt: multi-stmt / non-single-expr `.v3` brace bodies must
-    // surface as `FnExternalBody` (brace-skip), not `ParseError` — scheduled
-    // review claim "parser rejects instead of preserving" is false for this
-    // path (`parse_fn_item` `Err` / partial-expr branches).
-    let src = "fn staged(x: Int) -> Int {\n  let y = x + 1\n  y + 1\n}";
-    let tokens =
-        v3_compiler::tokenize_for_test(src, "multi_stmt_parse_surface.v3").expect("tokenize");
-    let module =
-        v3_compiler::parse_for_test(&tokens, "multi_stmt_parse_surface.v3").expect("parse");
-    let item = module
-        .items
-        .iter()
-        .find(|i| match i {
-            v3_compiler::parse_surface::SurfaceItem::FnExternalBody { name, .. }
-            | v3_compiler::parse_surface::SurfaceItem::Fn { name, .. } => name == "staged",
-            _ => false,
-        })
-        .expect("staged fn item");
-    assert!(
-        matches!(
-            item,
-            v3_compiler::parse_surface::SurfaceItem::FnExternalBody { .. }
-        ),
-        "multi-line brace fn body must parse as FnExternalBody (fallback), got {item:?}"
-    );
-}
-
-#[test]
-fn m17_malformed_brace_expr_probe_returns_parse_error() {
-    // Incomplete `{ x + }` is a malformed single-expression probe: `parse_expr`
-    // fails after consuming a prefix, and the parser **propagates** that
-    // diagnostic. Only brace bodies whose first inner token is `let` use
-    // `FnExternalBody` on `parse_expr` `Err` (multi-statement scaffold); see
-    // `fn_brace_body_expr_err_falls_back_to_external` in `parse_parser_body.txt`.
-    let src = "fn broken(x: Int) -> Int { x + }";
-    let tokens = v3_compiler::tokenize_for_test(src, "malformed_brace_probe.v3").expect("tokenize");
-    let err = v3_compiler::parse_for_test(&tokens, "malformed_brace_probe.v3")
-        .expect_err("malformed brace-body expr must fail parse");
-    assert!(
-        matches!(err, Diagnostic::ParseError { .. }),
-        "expected ParseError for malformed probe, got {err:?}"
-    );
-    let result = compile_to_dag(src, "malformed_brace_lower.v3");
-    assert!(
-        matches!(result, Err(v3_compiler::CompileError::Parse(_))),
-        "malformed brace fn must fail compile_to_dag at parse boundary, got {result:?}"
-    );
-}
-
-#[test]
-fn m17_data_declaration_produces_typed_declaration() {
-    // Class 3 (QW2): `data foo: Int = { body }` parses as
-    // `SurfaceItem::Data` and lowers to a declaration whose
-    // connective resolves through `type_to_connective`. The
-    // declaration is nameable via `declaration_by_name` and its
-    // type fact flows forward.
-    let src = "data foo: Int = { anything goes here }";
-    let dag = compile_any(src, "data.v3");
-
-    let foo_id = find_named(&dag, "foo");
-    // `type_to_connective` on a bare `Int` emits
-    // `Instantiation { template: Int_id, arguments: [] }`, not a
-    // direct resolved-identifier wrapper. Either shape is
-    // acceptable — the fact is "foo's type is Int" and we verify
-    // it by walking one level.
-    let foo_conn = dag.declaration(foo_id).connective.clone();
-    let resolved = match &foo_conn {
-        TypeConnective::Instantiation { template, .. } => *template,
-        TypeConnective::Atom(AtomPayload::ResolvedByStructure(id))
-        | TypeConnective::Atom(AtomPayload::ResolvedByName(id)) => *id,
-        other => panic!("expected Instantiation or resolved identifier, got {other:?}"),
-    };
-    let int_id = find_named(&dag, "Int");
-    assert_eq!(resolved, int_id, "data foo's type resolves to Int");
-}
-
-#[test]
-fn m17_module_and_import_preserve_parsed_facts() {
-    // Class 3 (QW3): `module` and `import` items emit real
-    // `SurfaceItem` variants (no longer parser-absorbed), and
-    // lowering accepts them without error even though they are
-    // no-ops. Parsed facts survive into the SurfaceModule so M2
-    // module scoping can consume them.
-    let src = "module foo.bar\nimport baz.quux { Zot, Wat }\nlet x = 1";
-    let dag = cached_compile_to_dag(src, "imports.v3");
-    // The `let x = 1` item still binds, confirming the module /
-    // import items didn't break lowering.
-    let bind_x = bind_named(&dag, "x");
-    assert!(
-        matches!(
-            dag.port(bind_x.value).state(),
-            v3_compiler::dag::PortState::Resolved(_)
-        ),
-        "let binding after module/import compiles successfully"
-    );
-}
-
-#[test]
-fn m17_r9_arithmetic_operator_walks_to_algebra_field() {
-    // M1(2.7) review round 9: resolve_operator_arrow must walk the
-    // LHS type's algebra chain and read the operator's signature
-    // from the actual algebra field declaration in std/algebra.dag,
-    // substituting the receiver type parameter to the source type.
-    //
-    // For `let x = 1 + 2`, the walk path uses abstract `Int` algebra facts
-    // (width-specialized literals still resolve through the construction-chain
-    // carrier per `dsl/std/integer.dag`; gate #19 aligns fixed-width names as
-    // Compose<Int, MachineWidth<…>>, not parallel OrderedRing<Word*> substrate).
-    //
-    // If the walk is wrong or returns Word64 (the old failing
-    // mode), the operator output port's type won't match the Int
-    // ports of the operands and the compile will fail with a
-    // TypeMismatch. This test asserts the happy path compiles
-    // cleanly and the operator output is typed as Int.
-    let dag = cached_compile_to_dag("let x = 1 + 2", "test.v3");
-    let bind_x = bind_named(&dag, "x");
-    let int_shape = dag.int_shape().expect("Int cached at bootstrap");
-    match dag.port(bind_x.value).state() {
-        v3_compiler::dag::PortState::Resolved(ty) if *ty == int_shape => {}
-        other => panic!("expected Bind(x).value to be Resolved(Int), got {other:?}"),
-    }
-}
-
-#[test]
-fn m17_r9_comparison_operator_walks_to_algebra_field() {
-    // Same as the arithmetic test but for `<`: the walk looks up
-    // the "lt" field on OrderedRing (added in M1(2.7) R9) and
-    // reads its Arrow signature. OrderedRing.lt: fn(T, T) -> Bool.
-    // Substituting receiver T → Int gives (Int, Int) -> Bool.
-    let dag = cached_compile_to_dag("let y = 1 < 2", "test.v3");
-    let bind_y = bind_named(&dag, "y");
-    let bool_shape = dag.bool_shape().expect("Bool cached at bootstrap");
-    match dag.port(bind_y.value).state() {
-        v3_compiler::dag::PortState::Resolved(ty) if *ty == bool_shape => {}
-        other => panic!("expected Bind(y).value to be Resolved(Bool), got {other:?}"),
-    }
-}
-
-#[test]
-fn m1_3_prb_data_item_record_body_lowers_structurally() {
-    // M1(3) PR-B: `data foo: T = { field: literal, ... }` with a
-    // record literal body whose type annotation resolves to a Conj
-    // produces a declaration whose value_body is
-    // Some(Structural { fields: [...] }) — not Unparsed. This is
-    // the shape `src/v3/spec/rust.dag` uses to ground
-    // every Realization structurally.
-    //
-    // Uses `LocalMeta` / `test_local_item` (not `Realization` /
-    // `rust_int`) to avoid colliding with the rust.dag names that
-    // bootstrap now loads. `find_named` uses first-match semantics
-    // and would return the bootstrap declaration otherwise.
-    let src = "\
-type LocalMeta { target_name: String, cost: Int }
-data test_local_item: LocalMeta = { target_name: \"Int\", cost: 1 }
-";
-    let dag = compile_any(src, "structural_data.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "structural data item should compile cleanly, got: {:?}",
-        dag.diagnostics()
-    );
-    let item_id = find_named(&dag, "test_local_item");
-    let meta_id = find_named(&dag, "LocalMeta");
-    let item = dag.declaration(item_id);
-    assert_eq!(
-        item.meta_tag,
-        Some(meta_id),
-        "data item's meta_tag should point at its type annotation"
-    );
-    let value_body = item
-        .value_body
-        .as_ref()
-        .expect("data item should have value_body");
-    let fields = match value_body {
-        v3_compiler::dag::ValueBody::Structural { fields } => fields,
-        v3_compiler::dag::ValueBody::Unparsed(_) => panic!(
-            "expected Structural value_body, got Unparsed — inhabitance checking didn't run or failed"
-        ),
-        v3_compiler::dag::ValueBody::Scalar(_) => panic!(
-            "expected Structural value_body, got Scalar — record-shape expected"
-        ),
-        v3_compiler::dag::ValueBody::List(_) => {
-            panic!("expected Structural value_body, got List — record-shape expected")
-        }
-        v3_compiler::dag::ValueBody::Map(_) => {
-            panic!("expected Structural value_body, got Map — record-shape expected")
-        }
-    };
-    // Fields are emitted in the type's declared order. PR-B
-    // unwind: each field value is a `FieldValue::Literal` (since
-    // `LocalMeta`'s declared field types are `String` / `Int` —
-    // not the `DeclarationRef` sentinel), so we match against the
-    // wrapped LiteralBits.
-    assert_eq!(fields.len(), 2);
-    assert_eq!(fields[0].0, "target_name");
-    match &fields[0].1 {
-        v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::LiteralBits::String(s)) => {
-            assert_eq!(s, "Int")
-        }
-        other => panic!("expected Literal(String) for target_name, got {other:?}"),
-    }
-    assert_eq!(fields[1].0, "cost");
-    match &fields[1].1 {
-        v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::LiteralBits::Int(n)) => {
-            assert_eq!(n, "1")
-        }
-        other => panic!("expected Literal(Int) for cost, got {other:?}"),
-    }
-}
-
-#[test]
-fn m1_3_prb_data_item_with_extra_field_is_rejected() {
-    // PR-B inhabitance check: a record body with a field not in
-    // the type definition fails fail-closed with a diagnostic
-    // anchored to that field's span. Uses `LocalMeta` /
-    // `test_local_extra` to avoid colliding with rust.dag's
-    // bootstrap names (see
-    // `m1_3_prb_data_item_record_body_lowers_structurally`).
-    let src = "\
-type LocalMeta { target_name: String }
-data test_local_extra: LocalMeta = { target_name: \"Int\", bogus: 42 }
-";
-    let dag = compile_any(src, "extra_field.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "extra field should fail fail-closed"
-    );
-}
-
-#[test]
-fn m1_3_prb_data_item_with_wrong_field_type_is_rejected() {
-    // PR-B inhabitance check: a field whose literal value doesn't
-    // match the declared type fails fail-closed. Uses local names
-    // to avoid bootstrap collisions.
-    let src = "\
-type LocalMeta2 { cost: Int }
-data test_local_bad: LocalMeta2 = { cost: \"not a number\" }
-";
-    let dag = compile_any(src, "wrong_type.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "wrong field type should fail fail-closed"
-    );
-}
-
-#[test]
-fn m1_3_prb_unwind_r1_behavior_realization_with_primitive_target_is_rejected() {
-    // PR-B-unwind R1 narrowing check: the `DeclarationRef` sentinel
-    // is too permissive on its own (it accepts ANY declaration).
-    // The lower-time narrowing fail-closes when a realization
-    // field's resolved target violates the per-(category, field)
-    // constraint. Here: BehaviorRealization.target must be a
-    // v3_l1 substrate marker, NOT a primitive type. Wiring a
-    // BehaviorRealization to `Int` is the exact bad state the
-    // narrowing was added to catch.
-    //
-    // Uses imports from rust.dag's already-loaded BehaviorRealization
-    // meta-type so we don't need to re-declare it locally.
-    let src = "\
-data test_bad_behavior: BehaviorRealization = { target: Int, carrier: \"oops\", cost: 0 }
-";
-    let dag = compile_any(src, "bad_behavior.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "BehaviorRealization with a primitive target should fail-closed at lower time"
-    );
-}
-
-#[test]
-fn m1_3_prb_unwind_r1_type_realization_with_behavior_target_is_rejected() {
-    // PR-B-unwind R1 narrowing check, dual case:
-    // TypeRealization.target must be a primitive type, NOT a
-    // v3_l1 substrate marker. Wiring a TypeRealization to `Bind`
-    // is the dual bad state the narrowing catches.
-    let src = "\
-data test_bad_type: TypeRealization = { target: Bind, carrier: \"oops\", cost: 0 }
-";
-    let dag = compile_any(src, "bad_type.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "TypeRealization with a behavior marker target should fail-closed at lower time"
-    );
-}
-
-#[test]
-fn m1_3_prb_unwind_r1_callable_realization_with_primitive_target_is_rejected() {
-    let src = "\
-data test_bad_callable: CallableRealization = { target: Int, strategy: ListEmpty, cost: 0 }
-";
-    let dag = compile_any(src, "bad_callable_realization.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "CallableRealization with a non-callable target should fail-closed at lower time"
-    );
-}
-
-#[test]
-fn m1_3_prb_unwind_r1_pattern_realization_with_primitive_target_is_rejected() {
-    let src = "\
-data test_bad_pattern: PatternRealization = {
-  target: Int,
-  strategy: VectorList,
-  scrutinee: \"{expr}\",
-  empty_pattern: \"[]\",
-  cons_pattern: \"[{head}, {tail} @ ..]\",
-  head_expr: \"{head}\",
-  tail_expr: \"{tail}\",
-  cost: 0
-}
-";
-    let dag = compile_any(src, "bad_pattern_realization.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "PatternRealization with a non-Disj target should fail-closed at lower time"
-    );
-}
-
-#[test]
-fn m1_3_prb_unwind_r1_type_instantiation_realization_with_monomorphic_target_is_rejected() {
-    let src = "\
-data test_bad_type_instantiation: TypeInstantiationRealization = {
-  target: Int,
-  carrier: \"Vec<{element}>\",
-  cost: 0
-}
-";
-    let dag = compile_any(src, "bad_type_instantiation_realization.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "TypeInstantiationRealization with a monomorphic target should fail-closed at lower time"
-    );
-}
-
-#[test]
-fn m1_3_prb_rust_dag_bootstrap_loads_structurally() {
-    // M1(3) PR-B-unwind: verify rust.dag loaded cleanly during
-    // Dag::new() bootstrap and that `rust_int_add` lowered to a
-    // structural data item with **typed declaration references**
-    // for the `target` and `op` fields (not strings). This is the
-    // end-to-end receipt that the unwind succeeded: every
-    // realization now carries DeclarationId edges to the
-    // declarations it realizes, and consumers (emit_rust) read
-    // those edges directly without name-string dispatch.
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "rust.dag should bootstrap cleanly, got: {:?}",
-        dag.diagnostics()
-    );
-
-    // The unwind splits Realization into three meta-types. The
-    // `rust_int_add` declaration is an OperatorRealization.
-    let op_realization_meta = find_named(&dag, "OperatorRealization");
-    let rust_int_add_id = find_named(&dag, "rust_int_add");
-    let rust_int_add = dag.declaration(rust_int_add_id);
-    assert_eq!(
-        rust_int_add.meta_tag,
-        Some(op_realization_meta),
-        "rust_int_add's meta_tag must point at OperatorRealization"
-    );
-    let fields = match rust_int_add
-        .value_body
-        .as_ref()
-        .expect("rust_int_add must carry a structural value_body")
-    {
-        v3_compiler::dag::ValueBody::Structural { fields } => fields,
-        v3_compiler::dag::ValueBody::Unparsed(_) => {
-            panic!("rust_int_add's value_body must be Structural, not Unparsed")
-        }
-        v3_compiler::dag::ValueBody::Scalar(_) => {
-            panic!("rust_int_add's value_body must be Structural, not Scalar")
-        }
-        v3_compiler::dag::ValueBody::List(_) => {
-            panic!("rust_int_add's value_body must be Structural, not List")
-        }
-        v3_compiler::dag::ValueBody::Map(_) => {
-            panic!("rust_int_add's value_body must be Structural, not Map")
-        }
-    };
-    // Fields appear in OperatorRealization's declared order:
-    // language, target, op, carrier, cost.
-    assert_eq!(fields.len(), 5);
-
-    // language → rust_language (typed Reference to the rust_language
-    // data declaration). Replaces the prior TargetLanguage enum variant;
-    // target ownership is now carried by a typed edge, not a compiler-
-    // side variant roster (INVARIANTS.md E-6).
-    assert_eq!(fields[0].0, "language");
-    let rust_language_id = find_named(&dag, "rust_language");
-    match &fields[0].1 {
-        v3_compiler::dag::FieldValue::Reference(id) => assert_eq!(
-            *id, rust_language_id,
-            "rust_int_add's language should reference the rust_language declaration"
-        ),
-        other => panic!("expected Reference for language, got {other:?}"),
-    }
-
-    // target → Int (typed Reference)
-    assert_eq!(fields[1].0, "target");
-    let int_id = find_named(&dag, "Int");
-    match &fields[1].1 {
-        v3_compiler::dag::FieldValue::Reference(id) => assert_eq!(
-            *id, int_id,
-            "rust_int_add's target should reference the Int declaration"
-        ),
-        other => panic!("expected Reference for target, got {other:?}"),
-    }
-
-    // op → OrderedRing.add (typed Reference resolved via
-    // dotted-path lowering). Walk OrderedRing to find its `add`
-    // child declaration id and compare structurally.
-    assert_eq!(fields[2].0, "op");
-    let ordered_ring_id = find_named(&dag, "OrderedRing");
-    let ordered_ring_add_id = match &dag.declaration(ordered_ring_id).connective {
-        TypeConnective::Conj { children } => {
-            children
-                .iter()
-                .find(|f| f.label == "add")
-                .expect("OrderedRing has an add field")
-                .ty
-        }
-        other => panic!("OrderedRing should be a Conj, got {other:?}"),
-    };
-    match &fields[2].1 {
-        v3_compiler::dag::FieldValue::Reference(id) => assert_eq!(
-            *id, ordered_ring_add_id,
-            "rust_int_add's op should reference OrderedRing.add"
-        ),
-        other => panic!("expected Reference for op, got {other:?}"),
-    }
-
-    // carrier → "({lhs} + {rhs})" (full-expression template; PR #681 unified all
-    // OperatorRealization carriers to self-describing templates, dissolving the
-    // former binary_op / carrier dual-authority split)
-    assert_eq!(fields[3].0, "carrier");
-    assert!(matches!(
-        &fields[3].1,
-        v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::LiteralBits::String(s)) if s == "({lhs} + {rhs})"
-    ));
-
-    // cost → 1 (Literal Int)
-    assert_eq!(fields[4].0, "cost");
-    assert!(matches!(
-        &fields[4].1,
-        v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::LiteralBits::Int(s)) if s == "1"
-    ));
-}
-
-#[test]
-fn rust_clean_emission_verifier_declares_structural_output_policy() {
-    let dag = Dag::new();
-    let verifier_policy = find_named(&dag, "VerifierOutputPolicy");
-    let ignore_output = match &dag.declaration(verifier_policy).connective {
-        TypeConnective::Disj { variants } => {
-            variants
-                .iter()
-                .find(|variant| variant.label == "IgnoreVerifierOutput")
-                .expect("VerifierOutputPolicy.IgnoreVerifierOutput exists")
-                .ty
-        }
-        other => panic!("VerifierOutputPolicy must be a Disj, got {other:?}"),
-    };
-    let post_emit_verifier = dag
-        .declaration_by_name("PostEmitVerifier")
-        .expect("PostEmitVerifier type exists");
-    let verifier_fields = match &dag.declaration(post_emit_verifier.id).connective {
-        TypeConnective::Conj { children } => children,
-        other => panic!("PostEmitVerifier must be a Conj, got {other:?}"),
-    };
-    assert_eq!(
-        field(verifier_fields, "output_policy").ty,
-        verifier_policy,
-        "PostEmitVerifier.output_policy must point at VerifierOutputPolicy"
-    );
-
-    let rust_clean_emission = dag
-        .declaration_by_name("rust_clean_emission")
-        .expect("rust_clean_emission exists");
-    let clean_fields = match rust_clean_emission
-        .value_body
-        .as_ref()
-        .expect("rust_clean_emission must carry a value_body")
-    {
-        v3_compiler::dag::ValueBody::Structural { fields } => fields,
-        other => panic!("rust_clean_emission must be Structural, got {other:?}"),
-    };
-    let post_emit_value = clean_fields
-        .iter()
-        .find(|(label, _)| label == "post_emit_verifier")
-        .expect("rust_clean_emission.post_emit_verifier field exists");
-    let verifier_record = match &post_emit_value.1 {
-        v3_compiler::dag::FieldValue::Record(fields) => fields,
-        other => panic!("post_emit_verifier must be a Record, got {other:?}"),
-    };
-    let output_policy = verifier_record
-        .iter()
-        .find(|(label, _)| label == "output_policy")
-        .expect("post_emit_verifier.output_policy field exists");
-    match &output_policy.1 {
-        v3_compiler::dag::FieldValue::Variant {
-            constructor,
-            payload,
-        } => {
-            assert_eq!(
-                *constructor, ignore_output,
-                "rust_clean_emission should declare IgnoreVerifierOutput for rustc"
-            );
-            assert!(
-                payload.is_empty(),
-                "IgnoreVerifierOutput must stay payload-free"
-            );
-        }
-        other => panic!("output_policy must be a Variant, got {other:?}"),
-    }
-}
-
-#[test]
-fn instantiation_arguments_participate_in_type_shape_equivalence() {
-    let src = "\
-fn expect_ints(xs: List<Int>) -> Int = 0
-let bad: Int = expect_ints(singleton(true))
-";
-    let dag = compile_any(src, "instantiation_shape_equivalence.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "List<Int> and List<Bool> should not compare equal during inference"
-    );
-}
-
-#[test]
-fn m17_r9_data_item_has_unparsed_value_body_scaffold() {
-    // M1(2.7) review round 9, QW2 + structural scaffold honesty:
-    // data items must be structurally distinguishable from type
-    // aliases. `data foo: Int = {...}` lowers to a declaration
-    // whose connective is the resolved type AND whose value_body
-    // is Some(ValueBody::Unparsed(body_span)). A plain
-    // `type foo = Int` has value_body = None.
-    //
-    // M1(3) PR-B note: `{ 42 }` is not a record literal shape
-    // (the lookahead `{`, `Ident`, `:` fails because the second
-    // token is an IntLit, not an Ident). The parser falls back
-    // to brace-skip and the body lands as `Unparsed`. If this
-    // test ever starts producing `Structural`, the parser's
-    // record-literal lookahead has widened unexpectedly.
-    let dag = compile_any("data foo: Int = { 42 }", "data.v3");
-    let foo_id = find_named(&dag, "foo");
-    let foo_decl = dag.declaration(foo_id);
-    // Structural check: the value_body field carries an Unparsed
-    // scaffold with the body's source span preserved.
-    match &foo_decl.value_body {
-        Some(v3_compiler::dag::ValueBody::Unparsed(_span)) => {}
-        Some(v3_compiler::dag::ValueBody::Structural { .. }) => panic!(
-            "`{{ 42 }}` should not parse as a record literal — the lookahead \
-             requires `{{`, `Ident`, `:` and the second token here is an IntLit"
-        ),
-        Some(v3_compiler::dag::ValueBody::Scalar(_)) => panic!(
-            "`{{ 42 }}` has leading `{{` and so must take the brace-skip path, \
-             not the scalar-expression path; landed as Scalar unexpectedly"
-        ),
-        Some(v3_compiler::dag::ValueBody::List(_)) => panic!(
-            "`{{ 42 }}` has leading `{{` and so must take the brace-skip path, \
-             not the list-expression path; landed as List unexpectedly"
-        ),
-        Some(v3_compiler::dag::ValueBody::Map(_)) => panic!(
-            "`{{ 42 }}` has leading `{{` and so must take the brace-skip path, \
-             not the map-expression path; landed as Map unexpectedly"
-        ),
-        None => panic!(
-            "data item must have value_body = Some(Unparsed), got None — \
-             the declaration is structurally identical to a type alias"
-        ),
-    }
-}
-
-#[test]
-fn m18_match_on_user_sum_type_compiles() {
-    // M1(2.8): match lowers to a Branch node with one Path per arm,
-    // each carrying a BranchPattern::ResolvedVariant(DeclarationId)
-    // after inference. The scrutinee's declaration must be a Disj;
-    // each arm's pattern name must match one of the Disj's variant
-    // labels (scoped against the scrutinee type, not globally).
-    //
-    // This test uses literal RHS bodies so it doesn't hit the
-    // variant-expression RHS class-5 gap (bare `True`/`False` as
-    // expressions).
-    //
-    // The `Plus` in a call site like `always_zero(Plus)` is a variant
-    // expression — class-5 gap. Compile only the fn body.
-    let src = "\
-type Sign = Plus | Minus
-fn always_zero(s: Sign) -> Int = match s { Plus => 0, Minus => 1 }
-";
-    let dag = compile_any(src, "match.v3");
-    let bind = bind_named(&dag, "always_zero");
-    // Walk the Bind's value port back to its producer Behavior.
-    let body_node_id = dag
-        .port(bind.value)
-        .produced_by
-        .expect("Bind value port has a producer");
-    let branch = match dag.node(body_node_id) {
-        Behavior::Branch(b) => b,
-        other => panic!("expected Branch at match root, got {other:?}"),
-    };
-    assert_eq!(branch.paths.len(), 2, "two arms produce two paths");
-    for path in &branch.paths {
-        match &path.pattern {
-            BranchPattern::ResolvedVariant(_) => {}
-            other => panic!(
-                "expected ResolvedVariant after infer, got {other:?} — \
-                 pattern resolution pass did not run or failed"
-            ),
-        }
-    }
-}
-
-#[test]
-fn infer_variant_constructor_call_returns_parent_sum_type() {
-    let src = "\
-type Sign = Plus | Minus
-fn classify(s: Sign) -> Int = match s { Plus => 0, Minus => 1 }
-let total: Int = classify(Plus)
-";
-    let dag = compile_any(src, "variant_constructor_parent_sum.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "variant constructor call should type-check as the parent sum, got {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(bind_value_type_decl(&dag, "total"), find_named(&dag, "Int"));
-}
-
-#[test]
-fn m18_match_on_non_disj_scrutinee_is_rejected() {
-    // M1(2.8): the Branch input relaxation accepts Bool OR any
-    // Disj. String is Instantiation(FreeMonoid<Char>), NOT Disj —
-    // match on a String scrutinee must fail.
-    let src = "\
-type Sign = Plus | Minus
-fn bad(s: String) -> Int = match s { Plus => 0, Minus => 1 }
-";
-    let dag = compile_any(src, "bad_match.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "match on String scrutinee should produce a diagnostic"
-    );
-}
-
-#[test]
-fn m18_r11_non_exhaustive_match_is_rejected() {
-    // M1(2.8) R11: coproduct elimination must be exhaustive. A
-    // match that omits a variant of the scrutinee's Disj fails
-    // fail-closed.
-    let src = "\
-type Sign = Plus | Minus
-fn bad(s: Sign) -> Int = match s { Plus => 0 }
-";
-    let dag = compile_any(src, "non_exhaustive.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "non-exhaustive match must emit a diagnostic (missing Minus arm)"
-    );
-}
-
-#[test]
-fn m18_r11_duplicate_match_arm_is_rejected() {
-    // M1(2.8) R11: each variant of the scrutinee's Disj must
-    // appear in at most one arm. Duplicated arms are fail-closed.
-    let src = "\
-type Sign = Plus | Minus
-fn bad(s: Sign) -> Int = match s { Plus => 0, Plus => 1, Minus => 2 }
-";
-    let dag = compile_any(src, "duplicate_arm.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "duplicate match arm must emit a diagnostic"
-    );
-}
-
-#[test]
-fn m18_r15_match_on_aliased_sum_type_compiles() {
-    // M1(2.8) R15: Branch gate and pattern resolution walk
-    // through alias / instantiation edges to find the underlying
-    // Disj. Before R15, both checks read the immediate
-    // connective and rejected `type Hue = Color` because Hue's
-    // connective is Instantiation { template: Color }, not Disj.
-    //
-    // Match arms resolve against Color's variants regardless of
-    // whether the scrutinee port type is Color or Hue.
-    let src = "\
-type Color = Red | Green | Blue
-type Hue = Color
-fn classify(h: Hue) -> Int = match h { Red => 0, Green => 1, Blue => 2 }
-";
-    let dag = cached_compile_to_dag(src, "aliased_sum.v3");
-    assert!(dag.diagnostics().is_empty());
-
-    // The Branch exists and its pattern resolution ran through
-    // the alias walk — each path should carry a ResolvedVariant.
-    // Scope to the user-source branch: bootstrap modules (notably
-    // `src/v3/std/algebra.dag`) now push Branch nodes for their own
-    // if/else lowering, so first-match is no longer reliable.
-    let branch = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_branch)
-        .find(|b| b.span.file == "aliased_sum.v3")
-        .expect("Branch exists");
-    assert_eq!(branch.paths.len(), 3);
-    for path in &branch.paths {
-        match &path.pattern {
-            BranchPattern::ResolvedVariant(_) => {}
-            other => panic!("expected ResolvedVariant, got {other:?}"),
-        }
-    }
-}
-
-#[test]
-fn m18_r15_non_exhaustive_match_on_aliased_sum_type_is_rejected() {
-    // R15 negative: aliased sum types still go through the
-    // exhaustiveness check. A match that covers only 2 of 3
-    // Color variants via Hue should still fail fail-closed.
-    let src = "\
-type Color = Red | Green | Blue
-type Hue = Color
-fn classify(h: Hue) -> Int = match h { Red => 0, Green => 1 }
-";
-    let dag = compile_any(src, "aliased_non_exhaustive.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "non-exhaustive match via alias should fail"
-    );
-}
-
-#[test]
-fn m18_r14_user_block_bodied_fn_is_rejected() {
-    // M1(2.8) R14: user-range `ArrowBody::Unparsed` scaffolds must fail-closed
-    // (`compile_to_dag` → `Err(Semantic)`) with the scaffold-rejection diagnostic.
-    //
-    // `{ junk }` is no longer a reliable `FnExternalBody` boundary fixture: on
-    // user `.v3`, a lone identifier parses as a real `SurfaceExpr` and lowers
-    // through `UserDefined`, so the R14 unparsed-body sweep never runs. Use a
-    // multi-statement brace body instead — it hits `FnExternalBody` →
-    // `ArrowBody::Unparsed` like `m17_multi_statement_brace_fn_in_v3_falls_back_to_unparsed_arrow`.
-    let src = "fn foo(x: Int) -> Int {\n  let y = x + 1\n  y\n}";
-    let result = compile_to_dag(src, "user_r14_opaque_fn.v3");
-    assert!(
-        result.is_err(),
-        "user-range fn with opaque body must fail compile_to_dag"
-    );
-    let dag = match result {
-        Err(v3_compiler::CompileError::Semantic(dag)) => dag,
-        other => panic!("expected CompileError::Semantic, got {other:?}"),
-    };
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| {
-            matches!(
-                diag,
-                Diagnostic::ResolveError { ref name, .. } if name.contains("opaque block body")
-            )
-        }),
-        "expected R14 opaque-fn-body scaffold rejection diagnostic, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn m18_r14_user_data_with_opaque_body_is_rejected() {
-    // M1(2.8) R14: analogous to the fn case. User-range
-    // `data foo: Int = { junk }` must fail-closed because the
-    // ValueBody::Unparsed scaffold was designed for
-    // std/bootstrap data tables (kernel_algebra_profile et al.),
-    // not user code. User code should not ship opaque data
-    // bodies the compiler cannot validate.
-    let result = compile_to_dag("data foo: Int = { junk }", "user_data.v3");
-    assert!(
-        result.is_err(),
-        "user-range data with opaque body must fail compile_to_dag"
-    );
-}
-
-#[test]
-fn m18_r13_mutual_recursion_poisons_callers() {
-    // Mutual recursion now compiles when a shared descent witness
-    // exists, so the fail-closed regression shape is an SCC where at
-    // least one intra-cluster edge preserves the measure. Downstream
-    // callers must still cascade to Unresolved.
-    let src = "\
-fn a(n: Int) -> Int = b(n)
-fn b(n: Int) -> Int = a(n - 1)
-let c = a(1)
-";
-    let dag = compile_any(src, "mutual_recursion_cascade.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "non-terminating mutual recursion should produce a diagnostic"
-    );
-    let bind_c = bind_named(&dag, "c");
-    assert!(
-        matches!(
-            dag.port(bind_c.value).state(),
-            v3_compiler::dag::PortState::Unresolved
-        ),
-        "caller of a mutually-recursive fn must cascade to Unresolved; got {:?}",
-        dag.port(bind_c.value).state()
-    );
-    assert_eq!(
-        dag.clusters().len(),
-        0,
-        "failed mutual recursion must not materialize a cluster witness"
-    );
-    // Scope the Loop check to this fixture — bootstrap std modules
-    // (e.g. `src/v3/std/algebra.dag`) correctly materialize Loop
-    // nodes for their own structural recursion, so a global
-    // `filter_map(as_loop).next().is_none()` no longer reflects the
-    // test's intent ("user's non-terminating SCC didn't fabricate a
-    // Loop").
-    assert!(
-        dag.nodes()
-            .iter()
-            .filter_map(Behavior::as_loop)
-            .all(|l| l.span.file != "mutual_recursion_cascade.v3"),
-        "failed mutual recursion must not fabricate Loop materialization"
-    );
-}
-
-#[test]
-fn m18_r12_invalid_match_cascades_to_downstream_callers() {
-    // M1(2.8) R12: pattern resolution and coverage checks run
-    // inside the fixpoint loop so non-exhaustive / duplicate
-    // match failures cascade to downstream consumers. Before
-    // R12, resolve_branch_patterns ran after the main loop had
-    // already typed every downstream port — the Branch's output
-    // would flip to Unresolved AFTER consumers had locked in
-    // Resolved types, leaking invalid types through the
-    // compile boundary.
-    //
-    // Regression shape: non-exhaustive match in a fn body that
-    // a let binding then consumes. After R12, compile_to_dag
-    // returns Err because the let-port cascades to Unresolved.
-    let src = "\
-type Sign = Plus | Minus
-fn always_zero(s: Sign) -> Int = match s { Plus => 0 }
-";
-    // The fn itself doesn't have a downstream caller here (to
-    // avoid needing variant-expression parsing for `Plus`/`Minus`
-    // as arguments at the call site — class-5 gap #4). Instead
-    // we verify the structural shape: the Branch's output port
-    // and the Bind's value port (both cascading targets) must
-    // be Unresolved after compile_to_dag returns.
-    let result = compile_to_dag(src, "cascade.v3");
-    assert!(
-        result.is_err(),
-        "non-exhaustive match should fail the compile boundary"
-    );
-    // Pull the Dag out of the Err and walk structurally.
-    let dag = match result {
-        Err(v3_compiler::CompileError::Semantic(dag)) => dag,
-        other => panic!("expected CompileError::Semantic, got {other:?}"),
-    };
-    let bind = bind_named(&dag, "always_zero");
-    // The Bind's value port is the fn body's return port,
-    // which is the Branch's output. It must be Unresolved —
-    // the cascade from the coverage-check failure reached here.
-    assert!(
-        matches!(
-            dag.port(bind.value).state(),
-            v3_compiler::dag::PortState::Unresolved
-        ),
-        "non-exhaustive match body must cascade to Bind value port; got {:?}",
-        dag.port(bind.value).state()
-    );
-}
-
-#[test]
-fn m18_r11_three_variant_exhaustive_match_compiles() {
-    // R11 sanity: a match covering all three variants of a
-    // three-constructor sum type compiles cleanly. This also
-    // exercises the coverage check on a non-boolean sum size.
-    let src = "\
-type Ternary = Low | Mid | High
-fn level(t: Ternary) -> Int = match t { Low => 0, Mid => 1, High => 2 }
-";
-    let dag = cached_compile_to_dag(src, "ternary.v3");
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn m18_match_with_unknown_variant_is_rejected() {
-    // M1(2.8): variant resolution scoped against the scrutinee's
-    // Disj. An arm referencing a variant name that isn't declared
-    // on the scrutinee's type fails fail-closed.
-    let src = "\
-type Sign = Plus | Minus
-fn bad(s: Sign) -> Int = match s { Plus => 0, Zero => 1 }
-";
-    let dag = compile_any(src, "unknown_variant.v3");
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "unknown variant in match arm should produce a diagnostic"
-    );
-}
-
-#[test]
-fn m18_if_then_else_populates_branch_pattern() {
-    // M1(2.8): `if`/`else` lowering no longer relies on positional
-    // convention (paths[0]=then, paths[1]=else). Each path carries
-    // an explicit BranchPattern — UnresolvedVariant{name:"True"}
-    // for the then-branch and {name:"False"} for the else-branch,
-    // resolved to Bool's True/False variant declarations after
-    // inference.
-    let dag = cached_compile_to_dag("let r = if 1 > 0 then 10 else 20", "if.v3");
-    let branch = dag
-        .nodes()
-        .iter()
-        .find_map(Behavior::as_branch)
-        .expect("Branch exists");
-    assert_eq!(branch.paths.len(), 2);
-    // Both paths must be ResolvedVariant post-infer.
-    for path in &branch.paths {
-        match &path.pattern {
-            BranchPattern::ResolvedVariant(_) => {}
-            other => panic!("if/else paths should resolve to Bool variants, got {other:?}"),
-        }
-    }
-}
-
-#[test]
-fn m18_bool_is_structurally_a_disj() {
-    // Substrate sanity check: the Branch input relaxation hinges
-    // on Bool being a Disj declaration. If types.dag ever changes
-    // Bool to a non-Disj shape, `if`/`else` will break — this
-    // test pins the invariant.
-    let dag = Dag::new();
-    let bool_id = find_named(&dag, "Bool");
-    match &dag.declaration(bool_id).connective {
-        TypeConnective::Disj { variants } => {
-            assert!(variants.iter().any(|f| f.label == "True"));
-            assert!(variants.iter().any(|f| f.label == "False"));
-        }
-        other => panic!("Bool must be a Disj for if/else to type-check, got {other:?}"),
-    }
-}
-
-#[test]
-fn m17_r9_fn_param_uses_single_declaration_id_for_arrow_and_port() {
-    // M1(2.7) R9 double-lower fix: for a fn parameter like
-    // `fn f(x: Foo) -> Foo`, the Arrow's input DeclarationId and
-    // the param port's TypeShape must share the same underlying
-    // id. Before R9, the param was lowered TWICE — once via
-    // type_to_declaration_id for the Arrow, once again inside
-    // lower_type_for_port for the port — producing two anonymous
-    // declarations for compound types that wouldn't structurally
-    // match later in infer.
-    //
-    // Guard: compile a fn with a user-declared record type as
-    // param and return. The fn's Arrow declaration's input must
-    // point at the same DeclarationId as its Bind's param port
-    // TypeShape.
-    let src = "\
-type Point { x: Int y: Int }
-fn identity(p: Point) -> Point = p
-";
-    let dag = cached_compile_to_dag(src, "test.v3");
-
-    // Find `identity`'s declaration — its connective is Arrow.
-    let identity_id = find_named(&dag, "identity");
-    let (arrow_inputs, _) = match &dag.declaration(identity_id).connective {
-        TypeConnective::Arrow { inputs, output, .. } => (inputs.clone(), *output),
-        other => panic!("expected Arrow, got {other:?}"),
-    };
-    assert_eq!(arrow_inputs.len(), 1, "identity takes one param");
-    let arrow_input_id = arrow_inputs[0];
-
-    // Find the corresponding Bind's first param port and read its
-    // TypeShape. The port's DeclarationId must equal the Arrow's
-    // input DeclarationId.
-    let bind = bind_named(&dag, "identity");
-    let first_param_port = bind.params.first().expect("one param");
-    let param_shape = match dag.port(*first_param_port).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => *ty,
-        other => panic!("param port should be Resolved, got {other:?}"),
-    };
-    assert_eq!(
-        param_shape.declaration, arrow_input_id,
-        "Arrow input and param port TypeShape must share the same DeclarationId \
-         — a split indicates the R9 double-lower regression"
-    );
-}
-
-#[test]
-fn m17_r9_type_alias_has_no_value_body() {
-    // Converse of the data test: `type foo = Int` (a pure type
-    // alias) must have value_body = None, so consumers can
-    // discriminate on this field alone.
-    let dag = cached_compile_to_dag("type Foo = Int", "alias.v3");
-    let foo_id = find_named(&dag, "Foo");
-    let foo_decl = dag.declaration(foo_id);
-    assert!(
-        foo_decl.value_body.is_none(),
-        "type alias must have value_body = None, got {:?}",
-        foo_decl.value_body
-    );
-}
-
-#[test]
-fn m17_template_argument_stub_branch_is_gone() {
-    // Class 3 (QW4): `build_template_arguments` no longer produces
-    // self-referential `TemplateArgument { parameter: value, value }`
-    // entries for stub templates. When the template is an
-    // unresolved stub, the arguments list is empty — the stub's own
-    // diagnostic is the authoritative failure, and the instantiation
-    // carries no parameter-binding records.
-    //
-    // Trigger: user code references an unknown parameterized type.
-    // The `Unknown<Int>` instantiation's declaration should have
-    // `arguments: []`, not a self-referential pair.
-    let src = "type Foo = Unknown<Int>";
-    let dag = compile_any(src, "stub.v3");
-
-    // Walk every Instantiation declaration; any whose template
-    // is an unresolved stub must have an empty arguments list.
-    let mut found_stub_inst = false;
-    for decl in dag.declarations() {
-        if let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &decl.connective
-        {
-            let template_is_stub = matches!(
-                &dag.declaration(*template).connective,
-                TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(_))
-            );
-            if template_is_stub {
-                found_stub_inst = true;
-                assert!(
-                    arguments.is_empty(),
-                    "stub template Instantiation must carry no TemplateArguments, found {} entries",
-                    arguments.len()
-                );
-            }
-        }
-    }
-    // The test is only meaningful if we actually found a stub
-    // instantiation to inspect — otherwise it's vacuous.
-    assert!(
-        found_stub_inst,
-        "test did not observe a stub Instantiation; the negative invariant is vacuous"
-    );
-}
-
-#[test]
-fn prereq0_single_level_higher_order_call_binds_function_argument() {
-    let src = "\
-fn step(x: Int) -> Int = x
-fn apply<T>(x: T, f: fn(T) -> T) -> T = f(x)
-let y = apply(3, step)
-";
-    let dag = compile_any(src, "prereq0_single_level.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "single-level higher-order call should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let int_id = find_named(&dag, "Int");
-    let step_id = find_named(&dag, "step");
-    let apply_id = find_named(&dag, "apply");
-    let apply_decl = dag.declaration(apply_id);
-    let apply_t = apply_decl.type_params[0];
-    let apply_f = match &apply_decl.connective {
-        TypeConnective::Arrow { inputs, .. } => inputs[1],
-        other => panic!("apply should be Arrow, got {other:?}"),
-    };
-
-    let mut saw_apply_instantiation = false;
-    let mut saw_param_call = false;
-    for node in dag.nodes() {
-        let Behavior::Transform(transform) = node else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = transform.target else {
-            continue;
-        };
-        let body_call_targets_param_slot = if target == apply_f {
-            true
-        } else {
-            matches!(
-                &dag.declaration(target).connective,
-                TypeConnective::Instantiation { template, .. } if *template == apply_f
-            )
-        };
-        if body_call_targets_param_slot {
-            saw_param_call = true;
-            assert_eq!(
-                transform.inputs.len(),
-                1,
-                "calling the function-typed parameter should still pass exactly one runtime arg"
-            );
-            continue;
-        }
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &dag.declaration(target).connective
-        else {
-            continue;
-        };
-        if *template != apply_id {
-            continue;
-        }
-        saw_apply_instantiation = true;
-        assert_eq!(
-            transform.inputs.len(),
-            1,
-            "function-typed call arguments should bind through Instantiation, not runtime ports"
-        );
-        assert!(
-            arguments
-                .iter()
-                .any(|arg| arg.parameter == apply_f && arg.value == step_id),
-            "expected apply's function slot to bind to `step`, got {arguments:?}"
-        );
-        assert!(
-            arguments
-                .iter()
-                .any(|arg| arg.parameter == apply_t && arg.value == int_id),
-            "expected apply's type parameter T to bind to Int via function-signature matching, got {arguments:?}"
-        );
-    }
-
-    assert!(
-        saw_apply_instantiation,
-        "did not observe the top-level `apply(3, step)` instantiation"
-    );
-    assert!(
-        saw_param_call,
-        "did not observe the body call `f(x)` lowered against apply's function-parameter slot"
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "y"),
-        int_id,
-        "the top-level binding should infer Int"
-    );
-}
-
-#[test]
-fn prereq0_nested_higher_order_call_threads_subststack_chain() {
-    let src = "\
-fn step(x: Int) -> Int = x
-fn apply<T>(x: T, f: fn(T) -> T) -> T = f(x)
-fn twice<T>(x: T, f: fn(T) -> T) -> T = apply(apply(x, f), f)
-let y = twice(3, step)
-";
-    let dag = compile_any(src, "prereq0_nested.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "nested higher-order call should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let int_id = find_named(&dag, "Int");
-    let step_id = find_named(&dag, "step");
-    let apply_id = find_named(&dag, "apply");
-    let twice_id = find_named(&dag, "twice");
-
-    let apply_decl = dag.declaration(apply_id);
-    let apply_t = apply_decl.type_params[0];
-    let apply_f = match &apply_decl.connective {
-        TypeConnective::Arrow { inputs, .. } => inputs[1],
-        other => panic!("apply should be Arrow, got {other:?}"),
-    };
-
-    let twice_decl = dag.declaration(twice_id);
-    let twice_t = twice_decl.type_params[0];
-    let twice_f = match &twice_decl.connective {
-        TypeConnective::Arrow { inputs, .. } => inputs[1],
-        other => panic!("twice should be Arrow, got {other:?}"),
-    };
-
-    let mut apply_instantiations = 0usize;
-    let mut saw_twice_instantiation = false;
-    for node in dag.nodes() {
-        let Behavior::Transform(transform) = node else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = transform.target else {
-            continue;
-        };
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &dag.declaration(target).connective
-        else {
-            continue;
-        };
-        if *template == apply_id {
-            apply_instantiations += 1;
-            assert_eq!(
-                transform.inputs.len(),
-                1,
-                "each nested `apply(..., f)` call should keep only the value arg as a runtime input"
-            );
-            assert!(
-                arguments
-                    .iter()
-                    .any(|arg| arg.parameter == apply_f && arg.value == twice_f),
-                "expected apply's function slot to bind to twice's function slot, got {arguments:?}"
-            );
-            assert!(
-                arguments
-                    .iter()
-                    .any(|arg| arg.parameter == apply_t && arg.value == twice_t),
-                "expected apply's type parameter to bind to twice's type parameter, got {arguments:?}"
-            );
-        }
-        if *template == twice_id {
-            saw_twice_instantiation = true;
-            assert_eq!(
-                transform.inputs.len(),
-                1,
-                "the top-level `twice(3, step)` call should keep only the value arg as a runtime input"
-            );
-            assert!(
-                arguments
-                    .iter()
-                    .any(|arg| arg.parameter == twice_f && arg.value == step_id),
-                "expected twice's function slot to bind to `step`, got {arguments:?}"
-            );
-            assert!(
-                arguments
-                    .iter()
-                    .any(|arg| arg.parameter == twice_t && arg.value == int_id),
-                "expected twice's type parameter to bind to Int, got {arguments:?}"
-            );
-        }
-    }
-
-    assert!(
-        apply_instantiations >= 2,
-        "expected both nested `apply` calls to instantiate through SubstStack bindings"
-    );
-    assert!(
-        saw_twice_instantiation,
-        "did not observe the top-level `twice(3, step)` instantiation"
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "y"),
-        int_id,
-        "the top-level nested higher-order binding should infer Int"
-    );
-}
-
-#[test]
-fn prereq3_annotated_lambda_direct_call_uses_declared_params_only() {
-    let src = "\
-let f: fn(Int) -> Int = |x| x
-let y = f(42)
-";
-    let dag = compile_any(src, "prereq3_direct_lambda.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "annotated direct lambda call should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let int_id = find_named(&dag, "Int");
-    let mut saw_lambda_call = false;
-    for node in dag.nodes() {
-        let Behavior::Transform(transform) = node else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = transform.target else {
-            continue;
-        };
-        let TypeConnective::Arrow { body, .. } = &dag.declaration(target).connective else {
-            continue;
-        };
-        let ArrowBody::UserDefined(bind_id) = body else {
-            continue;
-        };
-        let bind = (*bind_id).bind(&dag);
-        if bind.name.starts_with("__anon_lambda_") {
-            saw_lambda_call = true;
-            assert_eq!(
-                transform.inputs.len(),
-                1,
-                "direct lambda call should pass only the declared runtime argument"
-            );
-            assert_eq!(
-                bind.params.len(),
-                1,
-                "non-capturing lambda bind should carry exactly one declared parameter"
-            );
-        }
-    }
-
-    assert!(
-        saw_lambda_call,
-        "did not observe the direct lambda call target"
-    );
-    assert_eq!(bind_value_type_decl(&dag, "y"), int_id);
-}
-
-#[test]
-fn prereq0_5_fold_generic_call_synthesizes_implicit_template_bindings() {
-    let src = "\
-let total: Int = fold(singleton(1), 0, |acc, x| acc + x)
-";
-    let dag = compile_any(src, "prereq0_5_fold.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "implicit generic fold call should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let int_id = find_named(&dag, "Int");
-    let singleton_id = find_named(&dag, "singleton");
-    let fold_id = find_named(&dag, "fold");
-    let fold_decl = dag.declaration(fold_id);
-    let fold_t = fold_decl.type_params[0];
-    let fold_u = fold_decl.type_params[1];
-    let singleton_t = dag.declaration(singleton_id).type_params[0];
-
-    let singleton_instantiations = callable_instantiation_arguments(&dag, singleton_id);
-    assert!(
-        singleton_instantiations.iter().any(|arguments| {
-            arguments
-                .iter()
-                .any(|arg| arg.parameter == singleton_t && arg.value == int_id)
-        }),
-        "expected singleton(1) to instantiate element := Int"
-    );
-
-    let fold_instantiations = callable_instantiation_arguments(&dag, fold_id);
-    assert!(
-        fold_instantiations.iter().any(|arguments| {
-            arguments
-                .iter()
-                .any(|arg| arg.parameter == fold_t && arg.value == int_id)
-                && arguments
-                    .iter()
-                    .any(|arg| arg.parameter == fold_u && arg.value == int_id)
-        }),
-        "expected fold(singleton(1), 0, ...) to infer T := Int and U := Int"
-    );
-
-    let lambda_binds: Vec<_> = dag
-        .nodes()
-        .iter()
-        .filter_map(|node| match node {
-            Behavior::Bind(bind) if bind.name.starts_with("__anon_lambda_") => Some(bind),
-            _ => None,
-        })
-        .collect();
-    assert_eq!(lambda_binds.len(), 1, "expected one lambda bind");
-    let bind = lambda_binds[0];
-    let lambda_param_ports = &bind.params[bind.params.len() - 2..];
-    for port in lambda_param_ports {
-        match dag.port(*port).state() {
-            PortState::Resolved(ty) => assert_eq!(
-                ty.declaration, int_id,
-                "fold lambda parameter should resolve to Int"
-            ),
-            other => panic!("fold lambda parameter did not resolve, got {other:?}"),
-        }
-    }
-
-    assert_eq!(bind_value_type_decl(&dag, "total"), int_id);
-}
-
-#[test]
-fn prereq0_5_map_generic_call_synthesizes_implicit_template_bindings() {
-    let src = "\
-let xs = map(singleton(1), |x| x + 1)
-";
-    let dag = compile_any(src, "prereq0_5_map.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "implicit generic map call should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let int_id = find_named(&dag, "Int");
-    let map_id = find_named(&dag, "map");
-    let map_decl = dag.declaration(map_id);
-    let map_a = map_decl.type_params[0];
-    let map_b = map_decl.type_params[1];
-    let map_instantiations = callable_instantiation_arguments(&dag, map_id);
-    assert!(
-        map_instantiations.iter().any(|arguments| {
-            arguments
-                .iter()
-                .any(|arg| arg.parameter == map_a && arg.value == int_id)
-                && arguments
-                    .iter()
-                    .any(|arg| arg.parameter == map_b && arg.value == int_id)
-        }),
-        "expected map(singleton(1), |x| x + 1) to infer A := Int and B := Int"
-    );
-
-    let lambda_binds: Vec<_> = dag
-        .nodes()
-        .iter()
-        .filter_map(|node| match node {
-            Behavior::Bind(bind) if bind.name.starts_with("__anon_lambda_") => Some(bind),
-            _ => None,
-        })
-        .collect();
-    assert_eq!(lambda_binds.len(), 1, "expected one lambda bind");
-    let bind = lambda_binds[0];
-    let lambda_param_port = *bind
-        .params
-        .last()
-        .expect("map lambda should expose one declared parameter");
-    match dag.port(lambda_param_port).state() {
-        PortState::Resolved(ty) => assert_eq!(
-            ty.declaration, int_id,
-            "map lambda parameter should resolve to Int"
-        ),
-        other => panic!("map lambda parameter did not resolve, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq0_5_conflicting_implicit_template_bindings_fail_closed() {
-    let src = "\
-fn keep<T>(a: T, b: T) -> T = a
-let bad = keep(1, true)
-";
-    let dag = compile_any(src, "prereq0_5_conflict.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| {
-            matches!(
-                diag,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("implicit template binding")
-            )
-        }),
-        "expected implicit generic conflict diagnostic, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn prereq3_multi_param_lambda_parses_and_compiles() {
-    let src = "\
-let f: fn(Int, Int) -> Int = |x, y| x + y
-let y = f(2, 3)
-";
-    let dag = compile_any(src, "prereq3_multi_param_lambda.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "multi-parameter lambda should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(bind_value_type_decl(&dag, "y"), find_named(&dag, "Int"));
-}
-
-#[test]
-fn prereq3_captured_lambda_direct_call_bakes_capture_into_bind() {
-    let src = "\
-let base: Int = 1
-let f: fn(Int) -> Int = |x| base + x
-let y = f(3)
-";
-    let dag = compile_any(src, "prereq3_captured_lambda.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "captured lambda call should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let int_id = find_named(&dag, "Int");
-    let mut saw_lambda_call = false;
-    for node in dag.nodes() {
-        let Behavior::Transform(transform) = node else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = transform.target else {
-            continue;
-        };
-        let TypeConnective::Arrow { body, .. } = &dag.declaration(target).connective else {
-            continue;
-        };
-        let ArrowBody::UserDefined(bind_id) = body else {
-            continue;
-        };
-        let bind = (*bind_id).bind(&dag);
-        if bind.name.starts_with("__anon_lambda_") {
-            saw_lambda_call = true;
-            assert_eq!(
-                transform.inputs.len(),
-                1,
-                "captured lambda call should still pass only the declared runtime argument"
-            );
-            assert_eq!(
-                bind.params.len(),
-                2,
-                "captured lambda bind should expose [capture + declared] inputs structurally"
-            );
-        }
-    }
-
-    assert!(
-        saw_lambda_call,
-        "did not observe the captured lambda call target"
-    );
-    assert_eq!(bind_value_type_decl(&dag, "y"), int_id);
-}
-
-#[test]
-fn prereq3_lambda_argument_to_higher_order_call_uses_expected_signature() {
-    let src = "\
-fn apply_to_three(f: fn(Int) -> Int) -> Int = f(3)
-let base: Int = 1
-let y = apply_to_three(|x| base + x)
-";
-    let dag = compile_any(src, "prereq3_lambda_hof.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "lambda argument to higher-order call should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let int_id = find_named(&dag, "Int");
-    let apply_id = find_named(&dag, "apply_to_three");
-    let apply_f = match &dag.declaration(apply_id).connective {
-        TypeConnective::Arrow { inputs, .. } => inputs[0],
-        other => panic!("apply_to_three should be Arrow, got {other:?}"),
-    };
-    let mut saw_instantiation = false;
-    for node in dag.nodes() {
-        let Behavior::Transform(transform) = node else {
-            continue;
-        };
-        let TransformTarget::Callable(target) = transform.target else {
-            continue;
-        };
-        let TypeConnective::Instantiation {
-            template,
-            arguments,
-        } = &dag.declaration(target).connective
-        else {
-            continue;
-        };
-        if *template != apply_id {
-            continue;
-        }
-        saw_instantiation = true;
-        assert_eq!(
-            transform.inputs.len(),
-            0,
-            "function-typed lambda argument should bind through Instantiation, not runtime ports"
-        );
-        let lambda_arg = arguments
-            .iter()
-            .find(|arg| arg.parameter == apply_f)
-            .unwrap_or_else(|| panic!("expected function-slot binding, got {arguments:?}"));
-        assert!(
-            matches!(
-                dag.declaration(lambda_arg.value).connective,
-                TypeConnective::Arrow {
-                    body: ArrowBody::UserDefined(_),
-                    ..
-                }
-            ),
-            "expected higher-order lambda argument to lower to a synthetic callable declaration"
-        );
-    }
-
-    assert!(
-        saw_instantiation,
-        "did not observe the higher-order lambda instantiation"
-    );
-    assert_eq!(bind_value_type_decl(&dag, "y"), int_id);
-}
-
-#[test]
-fn prereq3_lambda_can_capture_outer_callable_parameter() {
-    let src = "\
-fn apply_to_three(f: fn(Int) -> Int) -> Int = f(3)
-fn use_callback(f: fn(Int) -> Int) -> Int = apply_to_three(|x| f(x))
-let y = use_callback(|z| z + 1)
-";
-    let dag = compile_any(src, "prereq3_capture_outer_callable.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "lambda should preserve captured outer callable bindings: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(bind_value_type_decl(&dag, "y"), find_named(&dag, "Int"));
-}
-
-#[test]
-fn infer_retries_higher_order_callable_binding_until_lambda_signature_resolves() {
-    let src = "\
-fn apply_to_three(f: fn(Int) -> Int) -> Int = f(3)
-fn use_callback(f: fn(Int) -> Int) -> Int = apply_to_three(f)
-let y = use_callback(|z| z + 1)
-";
-    let dag = compile_any(src, "callable_retry_lambda_signature.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "higher-order callable binding should retry until the lambda signature resolves: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(bind_value_type_decl(&dag, "y"), find_named(&dag, "Int"));
-}
-
-#[test]
-fn prereq4_list_dag_bootstrap_loads_cleanly() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load staged std.list declarations cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    for name in [
-        "List",
-        "empty",
-        "singleton",
-        "cons",
-        "fold",
-        "map",
-        "filter",
-    ] {
-        assert!(
-            dag.declaration_by_name(name).is_some(),
-            "bootstrap should register staged std.list declaration `{name}`"
-        );
-    }
-    let list = dag
-        .declaration_by_name("List")
-        .expect("bootstrap should register List");
-    let TypeConnective::Disj { variants } = &list.connective else {
-        panic!(
-            "staged std.list should shadow the v2 alias with a structural Disj, got {:?}",
-            list.connective
-        );
-    };
-    let labels: Vec<_> = variants.iter().map(|field| field.label.as_str()).collect();
-    assert_eq!(labels, vec!["Empty", "Cons"]);
-}
-
-#[test]
-fn prereq4_record_literal_in_expression_position_compiles_with_expected_type() {
-    let src = "\
-type Point { x: Int y: Int }
-fn x_of(p: Point) -> Int = p.x
-let total: Int = x_of({ x: 1, y: 2 })
-";
-    let dag = cached_compile_to_dag(src, "expr_record_literal.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "record literal in expression position should compile when an expected type is available, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-#[test]
-fn record_literal_duplicate_fields_fail_closed_at_repeated_field() {
-    let src = "\
-type Pair { a: Int b: Int }
-fn first(p: Pair) -> Int = p.a
-let duplicate: Int = first({ a: 1, a: 2, b: 3 })
-";
-    let dag = compile_any(src, "expr_record_literal_duplicate_fields.v3");
-    let duplicate_span = u32::try_from(src.find("a: 2").expect("fixture includes repeated field"))
-        .expect("fixture span fits in SourceSpan");
-
-    assert!(
-        dag.diagnostics().iter().any(|(_, diagnostic)| {
-            matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, span, .. }
-                    if name.contains("record literal repeats field `a`")
-                        && span.file == "expr_record_literal_duplicate_fields.v3"
-                        && span.byte_start <= duplicate_span
-                        && duplicate_span < span.byte_end
-            )
-        }),
-        "expected duplicate record literal diagnostic anchored to second `a`, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-#[test]
-fn prereq4_list_literal_in_expression_position_lowers_through_std_list_constructors() {
-    let dag = cached_compile_to_dag("let xs: List<Int> = [1, 2, 3]", "expr_list_literal.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "got diagnostics: {:?}",
-        dag.diagnostics()
-    );
-    let callable_names: Vec<String> = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .filter_map(|transform| match transform.target {
-            TransformTarget::Callable(target) => Some(target),
-            _ => None,
-        })
-        .map(|target| match &dag.declaration(target).connective {
-            TypeConnective::Instantiation { template, .. } => *template,
-            _ => target,
-        })
-        .filter_map(|target| dag.declaration(target).name.clone())
-        .collect();
-    assert!(
-        callable_names.iter().any(|name| name == "singleton"),
-        "list literal should lower through `singleton`, got {callable_names:?}"
-    );
-    assert!(
-        callable_names.iter().filter(|name| *name == "cons").count() >= 2,
-        "list literal should lower through repeated `cons`, got {callable_names:?}"
-    );
-}
-
-#[test]
-fn top_level_list_data_body_lowers_to_value_body_list() {
-    let dag = cached_compile_to_dag("data xs: List<Int> = [1, 2, 3]", "data_list_body.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "top-level List<Int> data body should lower structurally, got {:?}",
-        dag.diagnostics()
-    );
-    let decl = dag
-        .declaration_by_name("xs")
-        .expect("data declaration should exist");
-    let Some(v3_compiler::dag::ValueBody::List(elements)) = &decl.value_body else {
-        panic!(
-            "data xs should lower to ValueBody::List, got {:?}",
-            decl.value_body
-        );
-    };
-    let values: Vec<i64> = elements
-        .iter()
-        .map(|element| match element {
-            v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::LiteralBits::Int(value)) => {
-                value
-                    .parse::<i64>()
-                    .expect("fixture list element Int decimal")
-            }
-            other => panic!("expected literal int list element, got {other:?}"),
-        })
-        .collect();
-    assert_eq!(values, vec![1, 2, 3]);
-}
-
-#[test]
-fn top_level_list_data_body_requires_list_declared_type() {
-    let dag = compile_any(
-        "data xs: Int = [1, 2, 3]",
-        "data_list_body_non_list_type.v3",
-    );
-    let expected = "data `xs` has a list body but its declared type is not a List<_>";
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| matches!(
-            diag,
-            v3_compiler::diagnostics::Diagnostic::ResolveError { name, .. }
-                if name == expected
-        )),
-        "expected fail-closed non-List diagnostic, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn prereq0_conflicting_callable_template_bindings_fail_closed() {
-    let src = "\
-fn step_int(x: Int) -> Int = x
-fn step_bool(x: Bool) -> Bool = x
-fn use<T>(x: T, f: fn(T) -> T, g: fn(T) -> T) -> T = g(f(x))
-let bad = use(1, step_int, step_bool)
-";
-    let dag = compile_any(src, "prereq0_conflicting_callable_bindings.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| matches!(
-            diag,
-            v3_compiler::diagnostics::Diagnostic::ResolveError { name, .. }
-                if name.contains("conflicts with earlier template bindings")
-        )),
-        "expected fail-closed callable-binding diagnostic, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn prereq3_unannotated_lambda_fails_closed() {
-    let src = "\
-let f = |x| x
-";
-    let dag = compile_any(src, "prereq3_unannotated_lambda.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| matches!(
-            diag,
-            v3_compiler::diagnostics::Diagnostic::ResolveError { name, .. }
-                if name.contains("lambda expressions currently require an expected function type")
-        )),
-        "expected fail-closed diagnostic for unannotated lambda, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn prereq1_field_access_lowers_to_field_project() {
-    // Prereq 1: a local dotted path lowers to a TransformTarget::FieldProject,
-    // not a synthesized accessor declaration. The input port is the authority
-    // for the parent type; the target only needs the projected field label.
-    let src = "\
-type Point { x: Int y: Int }
-fn get_x(point: Point) -> Int = point.x
-    ";
-    let dag = cached_compile_to_dag(src, "field_access.v3");
-
-    let bind = bind_named(&dag, "get_x");
-    let body_node_id = dag
-        .port(bind.value)
-        .produced_by
-        .expect("Bind value has a producer");
-    let projection = match dag.node(body_node_id) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected Transform field projection, got {other:?}"),
-    };
-    assert_eq!(projection.inputs, vec![bind.params[0]]);
-    match &projection.target {
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            assert_eq!(field_label, "x");
-        }
-        other => panic!("expected FieldProject target, got {other:?}"),
-    }
-    match dag.port(bind.value).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => {
-            assert_eq!(*ty, dag.int_shape().expect("Int cached"))
-        }
-        other => panic!("field projection output should resolve to Int, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq1_multi_hop_field_access_lowers_to_chained_field_projects() {
-    let src = "\
-type Inner { x: Int }
-type Outer { inner: Inner }
-fn get_nested_x(outer: Outer) -> Int = outer.inner.x
-";
-    let dag = cached_compile_to_dag(src, "field_access_multi_hop.v3");
-
-    let bind = bind_named(&dag, "get_nested_x");
-
-    let final_projection = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected final Transform field projection, got {other:?}"),
-    };
-    match &final_projection.target {
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            assert_eq!(field_label, "x");
-        }
-        other => panic!("expected final FieldProject target, got {other:?}"),
-    }
-
-    let intermediate_projection = match dag.node(
-        dag.port(final_projection.inputs[0])
-            .produced_by
-            .expect("final projection input has a producer"),
-    ) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected intermediate Transform field projection, got {other:?}"),
-    };
-    assert_eq!(intermediate_projection.inputs, vec![bind.params[0]]);
-    assert_eq!(intermediate_projection.output, final_projection.inputs[0]);
-    match &intermediate_projection.target {
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            assert_eq!(field_label, "inner");
-        }
-        other => panic!("expected intermediate FieldProject target, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq1_field_access_on_instantiated_record_substitutes_template_args() {
-    let src = "\
-type Box<T> { value: T }
-fn read(boxed: Box<Int>) -> Int = boxed.value
-    ";
-    let dag = cached_compile_to_dag(src, "field_access_generic.v3");
-
-    let bind = bind_named(&dag, "read");
-    let projection = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected Transform field projection, got {other:?}"),
-    };
-    match &projection.target {
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            assert_eq!(field_label, "value");
-        }
-        other => panic!("expected FieldProject target, got {other:?}"),
-    }
-    match dag.port(bind.value).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => {
-            assert_eq!(*ty, dag.int_shape().expect("Int cached"))
-        }
-        other => panic!("generic field projection output should resolve to Int, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq1_field_access_on_non_conj_type_is_rejected() {
-    let dag = compile_any("fn bad(flag: Bool) -> Int = flag.x", "bad_field_access.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| matches!(
-            diag,
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("field `x`") && name.contains("Conj")
-        )),
-        "expected a non-Conj field-access diagnostic naming `x`, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-#[test]
-fn prereq1_nonexistent_field_is_rejected_with_field_name() {
-    let src = "\
-type Point { x: Int }
-fn bad(point: Point) -> Int = point.y
-";
-    let dag = compile_any(src, "missing_field.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| matches!(
-            diag,
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("field `y` does not exist")
-        )),
-        "expected a missing-field diagnostic naming `y`, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-#[test]
-fn prereq2_payload_binding_compiles_and_types_the_payload_port() {
-    // Covers both the basic payload-capture case and the mixed bare +
-    // with-payload arm shape in one source program.
-    let src = "\
-type BoxedInt = Boxed(Int) | Empty
-fn unwrap_or_zero(b: BoxedInt) -> Int = match b { Boxed(value) => value, Empty => 0 }
-";
-    let dag = cached_compile_to_dag(src, "payload_binding.v3");
-
-    let bind = bind_named(&dag, "unwrap_or_zero");
-    let branch = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Branch(b) => b,
-        other => panic!("expected Branch at match root, got {other:?}"),
-    };
-    let payload_path = branch
-        .paths
-        .iter()
-        .find(|path| path.binding.is_some())
-        .expect("payload-capturing path exists");
-    assert!(
-        branch.paths.iter().any(|path| path.binding.is_none()),
-        "mixed bare + with-payload arms should preserve `binding: None` on the bare arm"
-    );
-    match &payload_path.pattern {
-        BranchPattern::ResolvedVariant(_) => {}
-        other => panic!("expected resolved match pattern, got {other:?}"),
-    }
-    let binding = payload_path
-        .binding
-        .as_ref()
-        .expect("binding payload stored on Path");
-    assert_eq!(binding.binding_name, "value");
-    match dag.port(binding.payload_port).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => {
-            assert_eq!(*ty, dag.int_shape().expect("Int cached"))
-        }
-        other => panic!("payload port should resolve to Int, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq2_payload_binding_integrates_with_field_access() {
-    let src = "\
-type Point { x: Int y: Int }
-type MaybePoint = Some(Point) | None
-fn id(m: MaybePoint) -> MaybePoint = m
-fn get_or_zero(m: MaybePoint) -> Int = match id(m) { Some(point) => point.x, None => 0 }
-";
-    let dag = cached_compile_to_dag(src, "payload_field_access.v3");
-
-    let bind = bind_named(&dag, "get_or_zero");
-    let branch = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Branch(b) => b,
-        other => panic!("expected Branch at match root, got {other:?}"),
-    };
-    let payload_path = branch
-        .paths
-        .iter()
-        .find(|path| path.binding.is_some())
-        .expect("payload-capturing path exists");
-    let binding = payload_path
-        .binding
-        .as_ref()
-        .expect("binding payload stored on Path");
-    let body_node_id = dag
-        .port(payload_path.output)
-        .produced_by
-        .expect("payload arm body should be the field projection");
-    let projection = match dag.node(body_node_id) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected Transform field projection, got {other:?}"),
-    };
-    assert_eq!(projection.inputs, vec![binding.payload_port]);
-    match &projection.target {
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            assert_eq!(field_label, "x");
-        }
-        other => panic!("expected FieldProject target, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq2_payload_binding_on_inferred_scrutinee_compiles() {
-    let src = "\
-type BoxedInt = Boxed(Int) | Empty
-fn id(b: BoxedInt) -> BoxedInt = b
-fn unwrap_or_zero(b: BoxedInt) -> Int = match id(b) { Boxed(value) => value, Empty => 0 }
-";
-    let dag = cached_compile_to_dag(src, "payload_binding_inferred.v3");
-
-    let bind = bind_named(&dag, "unwrap_or_zero");
-    let branch = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Branch(b) => b,
-        other => panic!("expected Branch at match root, got {other:?}"),
-    };
-    let payload_path = branch
-        .paths
-        .iter()
-        .find(|path| path.binding.is_some())
-        .expect("payload-capturing path exists");
-    let binding = payload_path
-        .binding
-        .as_ref()
-        .expect("binding payload stored on Path");
-    match dag.port(binding.payload_port).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => {
-            assert_eq!(*ty, dag.int_shape().expect("Int cached"))
-        }
-        other => panic!("payload port for inferred scrutinee should resolve to Int, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq2_payload_binding_on_instantiated_sum_substitutes_template_args() {
-    let src = "\
-type Maybe<T> = Some(T) | None
-fn unwrap_or_zero(m: Maybe<Int>) -> Int = match m { Some(value) => value, None => 0 }
-";
-    let dag = cached_compile_to_dag(src, "payload_binding_generic.v3");
-
-    let bind = bind_named(&dag, "unwrap_or_zero");
-    let branch = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Branch(b) => b,
-        other => panic!("expected Branch at match root, got {other:?}"),
-    };
-    let payload_path = branch
-        .paths
-        .iter()
-        .find(|path| path.binding.is_some())
-        .expect("payload-capturing path exists");
-    let binding = payload_path
-        .binding
-        .as_ref()
-        .expect("binding payload stored on Path");
-    match dag.port(binding.payload_port).state() {
-        v3_compiler::dag::PortState::Resolved(ty) => {
-            assert_eq!(*ty, dag.int_shape().expect("Int cached"))
-        }
-        other => panic!("payload port for instantiated sum should resolve to Int, got {other:?}"),
-    }
-}
-
-#[test]
-fn reflected_optional_handle_field_projection_resolves() {
-    let src = "\
-import std.substrate { DagPort, NodeId }
-fn producer_or_self(port: DagPort) -> NodeId = match port.produced_by { Some(node_id) => node_id, None => port.id }
-";
-    let dag = cached_compile_to_dag(src, "optional_handle_field_projection.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "optional reflected handle field projection should compile cleanly, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn prereq2_payload_binding_on_non_disj_scrutinee_fails_closed() {
-    let dag = compile_any(
-        "fn bad(i: Int) -> Int = match i { Nope(v) => v }",
-        "payload_non_disj.v3",
-    );
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "payload binding on a non-Disj scrutinee must fail closed"
-    );
-}
-
-#[test]
-fn prereq2_payload_binding_can_bind_record_payloads() {
-    let src = "\
-type Point { x: Int }
-type Wrapped = Wrap { inner: Point } | Empty
-fn unwrap_or_zero(w: Wrapped) -> Int = match w { Wrap(payload) => payload.inner.x, Empty => 0 }
-";
-    let dag = cached_compile_to_dag(src, "payload_record_variant.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "record payload binding should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "unwrap_or_zero"),
-        find_named(&dag, "Int")
-    );
-}
-
-#[test]
-fn prereq2_named_variant_constructor_expression_compiles_against_expected_sum() {
-    let src = "\
-type Point { x: Int }
-type Wrapped = Wrap { inner: Point } | Empty
-fn wrap(point: Point) -> Wrapped = Wrap { inner: point }
-";
-    let dag = cached_compile_to_dag(src, "named_variant_constructor.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "named variant constructor expression should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "wrap"),
-        find_named(&dag, "Wrapped")
-    );
-}
-
-/// Prereq-2 (lens-fold): brace-bodied `fn` lowers a `match` whose arms
-/// mix bare and record-shaped variant constructors against a sum whose
-/// variant carries a Conj payload (`Cell { n: Int }`), matching the
-/// class-5 payload path toward `Witness`-style constructors — without
-/// `Witness` / `OptionalDiagnostic` special cases.
-#[test]
-fn prereq2_brace_fn_match_returns_bare_variant_constructors() {
-    let src = "\
-type Slot = Cell { n: Int } | Vacant
-fn toggle(s: Slot) -> Slot {
-  match s {
-    Cell { n: k } => Vacant
-    Vacant => Cell { n: 1 }
-  }
-}
-";
-    let dag = cached_compile_to_dag(src, "prereq2_brace_fn_variants.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "brace-bodied fn with bare variant match arms should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(
-        bind_value_type_decl(&dag, "toggle"),
-        find_named(&dag, "Slot")
-    );
-}
-
-#[test]
-fn prereq2_brace_fn_optional_diagnostic_bare_variant() {
-    let src = "\
-import v3.std.dimensions { OptionalDiagnostic }
-fn no_diag() -> OptionalDiagnostic {
-  NoDiagnostic
-}
-";
-    let dag = cached_compile_to_dag(src, "prereq2_optional_diag_brace_fn.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "OptionalDiagnostic brace-bodied bare variant should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    let out = bind_value_type_decl(&dag, "no_diag");
-    let opt = find_named(&dag, "OptionalDiagnostic");
-    assert_eq!(
-        out, opt,
-        "OptionalDiagnostic fn should resolve to the sum declaration"
-    );
-}
-
-#[test]
-fn class5_imported_expected_sum_positional_constructor_in_brace_body() {
-    let src = "\
-import v3.std.dimensions { Witness }
-fn ok() -> Witness<Int> {
-  Inhabits(1)
-}
-";
-    let dag = cached_compile_to_dag(src, "class5_witness_inhabits_brace_fn.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "imported expected-type variant constructor should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    let out = bind_value_type_decl(&dag, "ok");
-    let witness = find_named(&dag, "Witness");
-    match &dag.declaration(out).connective {
-        TypeConnective::Instantiation { template, .. } => assert_eq!(*template, witness),
-        other => panic!("expected Witness<Int> instantiation, got {other:?}"),
-    }
-}
-
-#[test]
-fn class5_expected_sum_constructor_with_resolved_arg_does_not_nest_target_instantiation() {
-    let src = "\
-import v3.std.dimensions { Witness }
-fn ok(x: Int) -> Witness<Int> {
-  Inhabits(x)
-}
-";
-    let dag = cached_compile_to_dag(src, "class5_witness_inhabits_resolved_arg.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "expected-type constructor with resolved argument should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    let out = bind_value_type_decl(&dag, "ok");
-    let witness = find_named(&dag, "Witness");
-    match &dag.declaration(out).connective {
-        TypeConnective::Instantiation { template, .. } => assert_eq!(*template, witness),
-        other => panic!("expected Witness<Int> instantiation, got {other:?}"),
-    }
-
-    let bind = bind_named(&dag, "ok");
-    let transform = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected constructor Transform at function body, got {other:?}"),
-    };
-    let TransformTarget::Callable(target) = transform.target else {
-        panic!("expected callable constructor target");
-    };
-    if let TypeConnective::Instantiation { template, .. } = &dag.declaration(target).connective {
-        assert!(
-            !matches!(
-                dag.declaration(*template).connective,
-                TypeConnective::Instantiation { .. }
-            ),
-            "constructor target must not nest an instantiated variant target"
-        );
-    }
-}
-
-#[test]
-fn class5_expected_generic_sum_record_constructor_in_brace_body() {
-    let src = "\
-type Boxed<T> = Packed { value: T } | Empty
-fn packed() -> Boxed<Int> {
-  Packed { value: 1 }
-}
-";
-    let dag = cached_compile_to_dag(src, "class5_generic_record_constructor_brace_fn.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "expected-type generic record constructor should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    let out = bind_value_type_decl(&dag, "packed");
-    let boxed = find_named(&dag, "Boxed");
-    match &dag.declaration(out).connective {
-        TypeConnective::Instantiation { template, .. } => assert_eq!(*template, boxed),
-        other => panic!("expected Boxed<Int> instantiation, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq2_named_payload_pattern_binds_field_projection_ports() {
-    let src = "\
-type Point { x: Int }
-type Wrapped = Wrap { inner: Point } | Empty
-fn unwrap_or_zero(w: Wrapped) -> Int = match w { Wrap { inner: point } => point.x, Empty => 0 }
-";
-    let dag = cached_compile_to_dag(src, "named_payload_pattern.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "named payload pattern should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let bind = bind_named(&dag, "unwrap_or_zero");
-    let branch = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind value has a producer"),
-    ) {
-        Behavior::Branch(b) => b,
-        other => panic!("expected Branch at match root, got {other:?}"),
-    };
-    let payload_path = branch
-        .paths
-        .iter()
-        .find(|path| path.binding.is_some())
-        .expect("payload-capturing path exists");
-    let binding = payload_path
-        .binding
-        .as_ref()
-        .expect("binding payload stored on Path");
-    let body_projection = match dag.node(
-        dag.port(payload_path.output)
-            .produced_by
-            .expect("payload arm body should be a field projection"),
-    ) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected Transform field projection, got {other:?}"),
-    };
-    match &body_projection.target {
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            assert_eq!(field_label, "x");
-        }
-        other => panic!("expected body FieldProject target, got {other:?}"),
-    }
-    let projected_point_port = body_projection.inputs[0];
-    let point_projection = match dag.node(
-        dag.port(projected_point_port)
-            .produced_by
-            .expect("named binding should be backed by a field projection"),
-    ) {
-        Behavior::Transform(t) => t,
-        other => panic!("expected inner field projection, got {other:?}"),
-    };
-    assert_eq!(point_projection.inputs, vec![binding.payload_port]);
-    match &point_projection.target {
-        TransformTarget::ResolvedFieldProject { field_label } => {
-            assert_eq!(field_label, "inner");
-        }
-        other => panic!("expected inner FieldProject target, got {other:?}"),
-    }
-}
-
-#[test]
-fn prereq2_named_payload_pattern_duplicate_binding_fails_closed() {
-    let src = "\
-type Pair { a: Int b: Int }
-type Wrapped = Wrap { inner: Pair } | Empty
-fn bad(w: Wrapped) -> Int = match w { Wrap { inner: pair } => match pair { Pair { a: x, b: x } => x }, Empty => 0 }
-";
-    let dag = compile_any(src, "named_payload_pattern_duplicate_binding.v3");
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| matches!(
-            diag,
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("binds `x` more than once")
-        )),
-        "expected fail-closed duplicate payload-pattern binding diagnostic, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-/// Regression for #565 / codex blocker: `VariantFields` duplicate-binding
-/// detection incorrectly used the full outer scope, so a legitimate
-/// shadow (fn parameter `x` + match-arm `Foo { x }` renaming a field
-/// to `x`) got rejected as a duplicate. Match arms must be allowed to
-/// shadow outer names exactly like `VariantWith { binding: x }` already does.
-#[test]
-fn prereq2_named_payload_pattern_shadows_outer_scope_binding() {
-    // `inner` is in outer scope (fn parameter). The match arm's
-    // `Wrap { inner: pair }` binds a new `pair` — not a shadow. But the
-    // bug fires whenever an outer name collides with ANY pattern binding,
-    // so introduce the conflict by also binding the field to `inner`:
-    // `Wrap { inner: inner }` is the shadow case the bug prevented.
-    let src = "\
-type Pair { inner: Int }
-type Wrapped = Wrap { inner: Pair } | Empty
-fn read(w: Wrapped, inner: Int) -> Int = match w { Wrap { inner: inner } => inner.inner, Empty => inner }
-";
-    let dag = cached_compile_to_dag(src, "named_payload_pattern_shadowing.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "named-payload match arm must shadow the outer `inner` binding, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn recursion_accepts_structural_descent_on_recursive_payload_field() {
-    let src = "\
-type IntList = Empty | Cons { head: Int, tail: IntList }
-fn count(list: IntList) -> Int = match list { Empty => 0, Cons(payload) => 1 + count(payload.tail) }
-";
-    let dag = cached_compile_to_dag(src, "structural_descent.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "structural descent on a recursive payload field should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let bind = bind_named(&dag, "count");
-    let producer = dag
-        .port(bind.value)
-        .produced_by
-        .expect("recursive function value should have a producer");
-    match dag.node(producer) {
-        Behavior::Loop(_) => {}
-        other => panic!("expected bounded recursion to lower to Loop, got {other:?}"),
-    }
-}
-
-#[test]
-fn mutual_recursion_accepts_structural_descent_on_later_recursive_type() {
-    let src = "\
-fn even(list: IntList) -> Bool = match list { Empty => true, Cons(payload) => odd(payload.tail) }
-fn odd(list: IntList) -> Bool = match list { Empty => false, Cons(payload) => even(payload.tail) }
-type IntList = Empty | Cons { head: Int, tail: IntList }
-";
-    let dag = cached_compile_to_dag(src, "mutual_structural_descent_later_type.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "mutual structural descent through a later recursive type should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(
-        dag.clusters().len(),
-        1,
-        "later type lowering should not block mutual cluster planning"
-    );
-}
-
-#[test]
-fn mutual_recursion_planner_ignores_callable_parameter_shadowing() {
-    let src = "\
-fn even(n: Int, odd: fn(Int) -> Bool) -> Bool = odd(n)
-fn odd(n: Int, even: fn(Int) -> Bool) -> Bool = even(n)
-";
-    let dag = cached_compile_to_dag(src, "mutual_shadowing_false_positive.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "callable-parameter shadowing should not fabricate a mutual-recursion diagnostic: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(
-        dag.clusters().len(),
-        0,
-        "shadowed callable parameters are not top-level mutual recursion"
-    );
-    // Scope the Loop check to this fixture's source — bootstrap
-    // std modules legitimately contribute Loop nodes for their own
-    // structural recursion (e.g. `src/v3/std/algebra.dag::drop_zero`).
-    assert!(
-        dag.nodes()
-            .iter()
-            .filter_map(Behavior::as_loop)
-            .all(|l| l.span.file != "mutual_shadowing_false_positive.v3"),
-        "shadowed callable parameters must not introduce synthetic recursion loops"
-    );
-}
-
-#[test]
-fn mutual_recursion_planner_respects_is_first_on_duplicate_fn() {
-    // Second `fn a` is a duplicate (fail-closed diagnostic). The mutual-
-    // recursion planner must use only first-authority items — same as
-    // lowering — so the duplicate cannot replace `a`'s body with a
-    // non-recursive spine and destroy the a↔b cluster.
-    let src = "\
-fn even(n: Int) -> Bool = if n == 0 then true else odd(n - 1)
-fn odd(n: Int) -> Bool = if n == 0 then false else even(n - 1)
-fn odd(n: Int) -> Bool = false
-";
-    let dag = compile_any(src, "mutual_duplicate_is_first.v3");
-    assert!(
-        dag.diagnostics()
-            .iter()
-            .any(|d| format!("{d:?}").contains("duplicate declaration")),
-        "expected duplicate `odd` diagnostic, got {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(
-        dag.clusters().len(),
-        1,
-        "planner must keep the first `fn odd` body (mutual with `even`); duplicate must not overwrite call graph"
-    );
-    assert!(
-        dag.nodes().iter().filter_map(Behavior::as_loop).count() >= 1,
-        "mutual even/odd should still lower through Loop despite duplicate `odd`"
-    );
-}
-
-#[test]
-fn mutual_recursion_checker_uses_shadow_aware_recursive_edges() {
-    let src = "\
-fn apply_once(f: fn(Int) -> Bool, x: Int) -> Bool = f(x)
-fn even(n: Int) -> Bool = if n == 0 then true else odd(n - 1)
-fn odd(n: Int) -> Bool = if n == 0 then false else if n == 1 then apply_once(|even| even(n), n) else even(n - 1)
-";
-    let dag = cached_compile_to_dag(src, "mutual_shadowing_inside_cluster.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "shadowed lambda parameters inside a real cluster must not poison descent checking: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(
-        dag.clusters().len(),
-        1,
-        "real recursive edges still form one cluster"
-    );
-    let odd_bind = bind_named(&dag, "odd");
-    let odd_producer = dag
-        .port(odd_bind.value)
-        .produced_by
-        .expect("odd loop exists");
-    assert!(
-        matches!(dag.node(odd_producer), Behavior::Loop(_)),
-        "accepted mutual recursion should still lower odd through Loop"
-    );
-}
-
-#[test]
-fn recursive_generic_sum_can_reference_itself_in_payload_types() {
-    let src = "\
-type MyList<T> = Empty | Cons { head: T, tail: MyList<T> }
-";
-    let dag = cached_compile_to_dag(src, "recursive_generic_sum.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "recursive generic sums should lower without self-resolution diagnostics: {:?}",
-        dag.diagnostics()
-    );
-
-    let list = dag
-        .declaration_by_name("MyList")
-        .expect("MyList declaration exists");
-    let TypeConnective::Disj { variants } = &list.connective else {
-        panic!(
-            "recursive generic sum should lower to Disj, got {:?}",
-            list.connective
-        );
-    };
-    let cons = variants
-        .iter()
-        .find(|field| field.label == "Cons")
-        .expect("Cons variant exists");
-    let cons_decl = dag.declaration(cons.ty);
-    let TypeConnective::Conj { children } = &cons_decl.connective else {
-        panic!(
-            "Cons payload should be a Conj, got {:?}",
-            cons_decl.connective
-        );
-    };
-    let tail = children
-        .iter()
-        .find(|field| field.label == "tail")
-        .expect("tail field exists");
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &dag.declaration(tail.ty).connective
-    else {
-        panic!(
-            "tail field should instantiate MyList<T>, got {:?}",
-            dag.declaration(tail.ty).connective
-        );
-    };
-    assert_eq!(
-        *template, list.id,
-        "tail field should point back to the enclosing recursive sum template"
-    );
-    assert_eq!(
-        arguments.len(),
-        1,
-        "tail field should preserve the recursive type parameter binding"
-    );
-}
-
-#[test]
-fn std_list_supports_structural_match_and_recursive_descent() {
-    let src = "\
-fn count(list: List<Int>) -> Int = match list { Empty => 0, Cons(payload) => 1 + count(payload.tail) }
-let n: Int = count([1, 2, 3])
-";
-    let dag = cached_compile_to_dag(src, "std_list_structural_recursion.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "std.list structural recursion should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-    assert_eq!(bind_value_type_decl(&dag, "n"), find_named(&dag, "Int"));
-
-    let bind = bind_named(&dag, "count");
-    let producer = dag
-        .port(bind.value)
-        .produced_by
-        .expect("recursive std.list function value should have a producer");
-    match dag.node(producer) {
-        Behavior::Loop(_) => {}
-        other => panic!("expected std.list recursive descent to lower to Loop, got {other:?}"),
-    }
-}
-
-#[test]
-fn substrate_accessors_exist_in_bootstrap_dag() {
-    let dag = v3_compiler::Dag::new();
-    let port_decl = dag.declaration_by_name("port").expect("port exists");
-    let node_decl = dag.declaration_by_name("node").expect("node exists");
-    let resolve_decl = dag
-        .declaration_by_name("resolve_producer")
-        .expect("resolve_producer exists");
-    // Each accessor must be an Arrow with the right arity. Post
-    // review-round 1b.3, bodies stay `Unparsed` at bootstrap — the
-    // per-target realization lookup happens at emission time against
-    // the `SubstrateAccessorBinding` records (filtered by
-    // `language: <active LanguageSpec>`). See DB-14 and
-    // `emit_rust::build_substrate_accessor_index`. E-9-shaped bootstrap
-    // rewrite deferred — see **Deferral: E-9 substrate accessor bootstrap
-    // rewrite** in `ROADMAP.md`.
-    use v3_compiler::dag::{ArrowBody, TypeConnective};
-    match (
-        &port_decl.connective,
-        &node_decl.connective,
-        &resolve_decl.connective,
-    ) {
-        (
-            TypeConnective::Arrow {
-                inputs: pi,
-                body: pb,
-                ..
-            },
-            TypeConnective::Arrow {
-                inputs: ni,
-                body: nb,
-                ..
-            },
-            TypeConnective::Arrow {
-                inputs: ri,
-                body: rb,
-                ..
-            },
-        ) => {
-            assert_eq!(pi.len(), 2, "port arity");
-            assert_eq!(ni.len(), 2, "node arity");
-            assert_eq!(ri.len(), 2, "resolve_producer arity");
-            // Bodies stay Unparsed at bootstrap. Upgrading them to a
-            // specific ExternalRealization would silently drop target
-            // selection the moment a second backend registers its own
-            // binding — that was the review-round 1b.3 root cause.
-            assert!(
-                matches!(pb, ArrowBody::Unparsed(_)),
-                "port body should stay Unparsed — target selection happens at emission time; got {pb:?}"
-            );
-            assert!(
-                matches!(nb, ArrowBody::Unparsed(_)),
-                "node body should stay Unparsed; got {nb:?}"
-            );
-            assert!(
-                matches!(rb, ArrowBody::Unparsed(_)),
-                "resolve_producer body should stay Unparsed; got {rb:?}"
-            );
-        }
-        other => panic!("accessor shapes: {other:?}"),
-    }
-    // No bootstrap diagnostics.
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should be clean: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn substrate_port_call_lowers_without_match() {
-    let src = "\
-fn test(d: Dag, pid: PortId) -> DagPort? = port(d, pid)
-";
-    let dag = compile_any(src, "probe_port_no_match.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "port call without match should resolve: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn resolve_producer_opt_walks_through_bind_hops() {
-    // DB-5 locks `resolve_producer` as recursive Bind-chain resolution.
-    // Verify the Rust-side helper never returns a Bind — a single-hop
-    // implementation would, which is the regression this test pins.
-    let src = "\
-let base: Int = 1 + 2
-let alias: Int = base
-let double_alias: Int = alias
-let total: Int = double_alias + double_alias
-";
-    let dag = cached_compile_to_dag(src, "bind_hop.v3");
-    // Walk every Bind in the Dag. For each, resolve_producer_opt on its
-    // value port MUST land on a non-Bind (Value / Transform / etc.) —
-    // never a Bind.
-    let mut checked = 0;
-    for node in dag.nodes() {
-        let v3_compiler::dag::Behavior::Bind(bind) = node else {
-            continue;
-        };
-        let resolved = dag.resolve_producer_opt(&bind.value);
-        if let Some(behavior) = resolved {
-            assert!(
-                !matches!(behavior, v3_compiler::dag::Behavior::Bind(_)),
-                "resolve_producer_opt returned a Bind for bind `{}` — Bind-hop \
-                 traversal missing (DB-5 locks this as recursive)",
-                bind.name
-            );
-            checked += 1;
-        }
-    }
-    assert!(
-        checked > 0,
-        "no Binds in fixture — test cannot exercise Bind-hop traversal"
-    );
-}
-
-#[test]
-fn substrate_accessor_rust_binding_invariants() {
-    // 1b.3: every `SubstrateAccessorBinding` row is Structural and
-    // carries `language: Reference(rust_language)` so emitters filter
-    // deterministically.
-    // 1b.4: the accessor universe has no Rust-exposed hole (every
-    // declared accessor has a rust_language binding).
-    use std::collections::HashSet;
-
-    use v3_compiler::dag::{FieldValue, ValueBody};
-
-    let dag = v3_compiler::Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should be clean: {:?}",
-        dag.diagnostics()
-    );
-    let binding_meta = dag
-        .declaration_by_name("SubstrateAccessorBinding")
-        .expect("SubstrateAccessorBinding type exists");
-    let rust_language = dag
-        .declaration_by_name("rust_language")
-        .expect("rust_language exists");
-    let mut universe: HashSet<DeclarationId> = HashSet::new();
-    let mut rust_covered: HashSet<DeclarationId> = HashSet::new();
-    let mut checked = 0;
-    for decl in dag.declarations() {
-        if decl.meta_tag != Some(binding_meta.id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!("binding `{:?}` must have Structural value body", decl.name);
-        };
-        let language_field = fields.iter().find(|(label, _)| label == "language");
-        assert!(
-            language_field.is_some(),
-            "binding `{:?}` missing required `language` field (review 1b.3)",
-            decl.name
-        );
-        let (_, lang_val) = language_field.unwrap();
-        match lang_val {
-            FieldValue::Reference(id) => {
-                assert_eq!(
-                    *id, rust_language.id,
-                    "binding `{:?}` should target rust_language",
-                    decl.name
-                );
-            }
-            other => panic!(
-                "binding `{:?}` language field is not a Reference: {other:?}",
-                decl.name
-            ),
-        }
-        let mut accessor = None;
-        let mut language = None;
-        for (label, value) in fields {
-            match (label.as_str(), value) {
-                ("accessor", FieldValue::Reference(id)) => accessor = Some(*id),
-                ("language", FieldValue::Reference(id)) => language = Some(*id),
-                _ => {}
-            }
-        }
-        let (Some(accessor), Some(language)) = (accessor, language) else {
-            panic!(
-                "binding `{:?}` missing accessor/language references",
-                decl.name
-            );
-        };
-        universe.insert(accessor);
-        if language == rust_language.id {
-            rust_covered.insert(accessor);
-        }
-        checked += 1;
-    }
-    assert_eq!(
-        checked, 9,
-        "expected 9 substrate accessor bindings (port, node, resolve_producer, lane2_workflow_at, declaration_by_id, workflow_root_port, declaration_by_name, per_call_pattern_at, per_call_descent_operand_port)"
-    );
-    let missing: Vec<_> = universe.difference(&rust_covered).copied().collect();
-    assert!(
-        missing.is_empty(),
-        "substrate accessor universe not fully covered for rust_language — \
-         {} accessor(s) without a Rust binding: {:?}. emit_rust would fail \
-         closed on any program that calls them.",
-        missing.len(),
-        missing
-    );
-    assert!(
-        !universe.is_empty(),
-        "universe is empty — SubstrateAccessorBinding records missing entirely"
-    );
-}
-
-#[test]
-fn substrate_port_accessor_resolves_from_user_code() {
-    let src = "\
-import std.substrate { Dag, DagPort, PortId, port }
-
-fn test(d: Dag, pid: PortId) -> Bool =
-  match port(d, pid) {
-    None => false
-    Some(p) => true
-  }
-";
-    let dag = compile_any(src, "probe_port.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "substrate port accessor should resolve from user code: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn substrate_node_accessor_resolves_from_user_code() {
-    let src = "\
-import std.substrate { Dag, Behavior, NodeId, node }
-
-fn test(d: Dag, nid: NodeId) -> Bool =
-  match node(d, nid) {
-    None => false
-    Some(b) => true
-  }
-";
-    let dag = compile_any(src, "probe_node.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "substrate node accessor should resolve from user code: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn std_list_cons_accepts_user_record_element() {
-    let src = "\
-type FoundBind { name: String }
-let xs: List<FoundBind> = cons({ name: \"x\" }, empty())
-";
-    let dag = compile_any(src, "std_list_user_record_cons.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "expected cons({{...}}, empty()) over a user record to compile cleanly, got diagnostics: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn monomorphic_recursive_self_call_with_reflected_list_arg_compiles() {
-    let src = "\
-fn step(n: Int, d: Dag, x: PortId, ys: List<PortId>) -> List<PortId> =
-  if n == 0 then ys else step(n - 1, d, x, cons(x, ys))
-";
-    let dag = compile_any(src, "monomorphic_recursive_reflected_list_arg.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "monomorphic recursive self-call with reflected list args should compile cleanly, got diagnostics: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn monomorphic_recursive_self_call_with_helper_produced_reflected_list_args_compiles() {
-    let src = "\
-fn expand_frontier_list(d: Dag, frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> = frontier
-fn expand_referenced_list(frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> = referenced
-fn walk_steps(remaining: Int, d: Dag, frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> =
-  if remaining == 0 then
-    referenced
-  else
-    if is_empty(frontier) then
-      referenced
-    else
-      walk_steps(
-        remaining - 1,
-        d,
-        expand_frontier_list(d, frontier, referenced),
-        expand_referenced_list(frontier, referenced)
-      )
-";
-    let dag = compile_any(src, "monomorphic_recursive_helper_reflected_list_args.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "monomorphic recursive self-call with helper-produced reflected list args should compile cleanly, got diagnostics: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn referenced_port_walk_real_helper_stack_compiles() {
-    let src = "\
-fn referenced_ports(d: Dag, root: PortId) -> List<PortId> =
-  walk_steps(length(d.ports), d, singleton(root), empty())
-
-fn walk_steps(remaining: Int, d: Dag, frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> =
-  if remaining == 0 then
-    referenced
-  else
-    if is_empty(frontier) then
-      referenced
-    else
-      walk_steps(
-        remaining - 1,
-        d,
-        expand_frontier_list(d, frontier, referenced),
-        expand_referenced_list(frontier, referenced)
-      )
-
-fn expand_frontier_list(d: Dag, frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> =
-  fold(frontier, empty(), |next, port|
-    if contains(referenced, port) then
-      next
-    else
-      concat(inputs_for_port(d, port), next)
-  )
-
-fn expand_referenced_list(frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> =
-  fold(frontier, referenced, |acc, port|
-    if contains(acc, port) then
-      acc
-    else
-      cons(port, acc)
-  )
-
-fn inputs_for_port(d: Dag, port_id: PortId) -> List<PortId> =
-  match find_producer(d.nodes, port_id) {
-    MissingBehavior => empty()
-    FoundBehavior(behavior) => inputs_for_behavior(d, behavior)
-  }
-
-type BehaviorLookup
-  = MissingBehavior
-  | FoundBehavior(Behavior)
-
-type ResultPortLookup
-  = MissingResultPort
-  | FoundResultPort(PortId)
-
-fn inputs_for_behavior(d: Dag, behavior: Behavior) -> List<PortId> =
-  match behavior {
-    Value(v) => empty()
-    Transform(t) => t.inputs
-    Branch(branch) => cons(branch.input, branch_path_outputs(branch.paths))
-    Loop(loop_node) => loop_inputs(d, loop_node)
-    Bind(bind) => singleton(bind.result_port)
-  }
-
-fn loop_inputs(d: Dag, loop_node: LoopNode) -> List<PortId> =
-  concat(
-    cons(loop_node.source, cons(loop_node.init, loop_bound_inputs(loop_node.bound))),
-    match behavior_result_port(d.nodes, loop_node.body) {
-      MissingResultPort => empty()
-      FoundResultPort(port) => singleton(port)
-    }
-  )
-
-fn loop_bound_inputs(bound: LoopBound) -> List<PortId> =
-  match bound {
-    Cardinality(payload) => singleton(payload.count)
-    Descent(payload) => singleton(payload.measure)
-  }
-
-fn branch_path_outputs(paths: List<BranchPath>) -> List<PortId> =
-  match paths {
-    Empty => empty()
-    Cons(payload) => cons(payload.head.result_port, branch_path_outputs(payload.tail))
-  }
-
-fn find_behavior(nodes: List<Behavior>, node_id: NodeId) -> BehaviorLookup =
-  match nodes {
-    Empty => MissingBehavior
-    Cons(payload) =>
-      if behavior_id(payload.head) == node_id then
-        FoundBehavior(payload.head)
-      else
-        find_behavior(payload.tail, node_id)
-  }
-
-fn find_producer(nodes: List<Behavior>, port_id: PortId) -> BehaviorLookup =
-  match nodes {
-    Empty => MissingBehavior
-    Cons(payload) =>
-      if behavior_port(payload.head) == port_id then
-        FoundBehavior(payload.head)
-      else
-        find_producer(payload.tail, port_id)
-  }
-
-fn behavior_result_port(nodes: List<Behavior>, node_id: NodeId) -> ResultPortLookup =
-  match find_behavior(nodes, node_id) {
-    MissingBehavior => MissingResultPort
-    FoundBehavior(behavior) => FoundResultPort(behavior_port(behavior))
-  }
-
-fn behavior_id(behavior: Behavior) -> NodeId =
-  match behavior {
-    Value(v) => v.id
-    Transform(t) => t.id
-    Branch(b) => b.id
-    Loop(l) => l.id
-    Bind(bind) => bind.id
-  }
-
-fn behavior_port(behavior: Behavior) -> PortId =
-  match behavior {
-    Value(v) => v.result_port
-    Transform(t) => t.result_port
-    Branch(b) => b.result_port
-    Loop(l) => l.result_port
-    Bind(bind) => bind.result_port
-  }
-";
-    let dag = compile_any(src, "referenced_port_walk_real_stack.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "referenced-port walk over the real helper stack should compile cleanly, got diagnostics: {:?}",
-        dag.diagnostics()
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m2_feature_parity_test.rs b/src/v3/compiler/tests/integration/m2_feature_parity_test.rs
deleted file mode 100644
index f69a6123d04..00000000000
--- a/src/v3/compiler/tests/integration/m2_feature_parity_test.rs
+++ /dev/null
@@ -1,2390 +0,0 @@
-// Lane 3 Stage 3a M2 feature-parity acceptance tests.
-//
-// Covers DB-10..DB-13 (3a.2–3a.5) and DB-9 (3a.1). Each sub-stage has
-// the concrete acceptance test declared in
-// docs/lane3-self-hosting-cycle.md and docs/design-m2-feature-parity.md.
-//
-// These tests lock the feature-parity surface `compiler.dag` needs. If
-// any of them regresses, the self-hosting cycle cannot close.
-
-use crate::common::{cached_compile_any, cached_compile_to_dag};
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    literal_bits_int, ArrowBody, AtomPayload, Behavior, ComparisonOp, Dag, DeclarationId,
-    LiteralBits, LogicalOp, OperatorKind, PortId, TransformNode, TransformTarget, TypeConnective,
-};
-use v3_compiler::emit::{emit_go_text, emit_python_text};
-use v3_compiler::emit_rust::emit_rust;
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_surface::{SurfaceExpr, SurfaceItem};
-use v3_compiler::tokenize_for_test;
-use v3_compiler::CompileError;
-use v3_compiler::Diagnostic;
-
-fn compile_any(src: &str, file: &str) -> Dag {
-    match compile_to_dag(src, file) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => dag,
-        Err(other) => panic!("unexpected structural error: {other:?}"),
-    }
-}
-
-fn arrow_output_decl(dag: &Dag, decl_id: DeclarationId) -> DeclarationId {
-    let TypeConnective::Arrow { output, .. } = &dag.declaration(decl_id).connective else {
-        panic!("expected {decl_id:?} to be an Arrow declaration");
-    };
-    *output
-}
-
-fn instantiation_arg(
-    dag: &Dag,
-    decl_id: DeclarationId,
-    expected_template: DeclarationId,
-) -> DeclarationId {
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &dag.declaration(decl_id).connective
-    else {
-        panic!("expected {decl_id:?} to be an Instantiation");
-    };
-    assert_eq!(
-        *template, expected_template,
-        "instantiation template mismatch"
-    );
-    assert_eq!(arguments.len(), 1, "expected one template argument");
-    arguments[0].value
-}
-
-fn same_instantiation_shape(dag: &Dag, lhs: DeclarationId, rhs: DeclarationId) -> bool {
-    if lhs == rhs {
-        return true;
-    }
-    match (
-        &dag.declaration(lhs).connective,
-        &dag.declaration(rhs).connective,
-    ) {
-        (
-            TypeConnective::Instantiation {
-                template: lhs_template,
-                arguments: lhs_arguments,
-            },
-            TypeConnective::Instantiation {
-                template: rhs_template,
-                arguments: rhs_arguments,
-            },
-        ) => {
-            lhs_template == rhs_template
-                && lhs_arguments.len() == rhs_arguments.len()
-                && lhs_arguments
-                    .iter()
-                    .zip(rhs_arguments.iter())
-                    .all(|(lhs, rhs)| same_instantiation_shape(dag, lhs.value, rhs.value))
-        }
-        _ => false,
-    }
-}
-
-// =================================================================
-// 3a.4 — Surface generics
-// =================================================================
-
-#[test]
-fn test_3a4_bare_generic_fn_compiles() {
-    // Acceptance: `fn id<T>(x: T) -> T = x` compiles with explicit
-    // type param.
-    let dag = cached_compile_to_dag("fn id<T>(x: T) -> T = x", "test.v3");
-
-    // Structural: the `id` declaration carries exactly one TypeParam
-    // child in its `type_params` slot, named "T".
-    let id_decl = dag
-        .declaration_by_name("id")
-        .expect("declaration `id` must exist");
-    assert_eq!(
-        id_decl.type_params.len(),
-        1,
-        "id must carry exactly one type parameter"
-    );
-    let param = dag.declaration(id_decl.type_params[0]);
-    match &param.connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(name)) => {
-            assert_eq!(name, "T", "type param name must be `T`");
-        }
-        other => panic!("expected TypeParam atom, got {other:?}"),
-    }
-}
-
-#[test]
-fn test_3a4_multi_param_generic_fn_compiles() {
-    // Acceptance: `fn pair<A, B>(...)` compiles; two TypeParam
-    // declarations linked via `Declaration.type_params`.
-    // Keep the body to a bare parameter reference so the test
-    // isolates type-param surface syntax from unrelated expression
-    // grammar. Full record construction inside a generic fn body is
-    // orthogonal.
-    let src = "fn pair<A, B>(a: A, b: B) -> A = a";
-    let dag = compile_any(src, "test.v3");
-    let pair_fn = dag
-        .declaration_by_name("pair")
-        .expect("`pair` declaration must exist");
-    assert_eq!(
-        pair_fn.type_params.len(),
-        2,
-        "pair must carry exactly two type parameters"
-    );
-    let names: Vec<&str> = pair_fn
-        .type_params
-        .iter()
-        .map(|id| match &dag.declaration(*id).connective {
-            TypeConnective::Atom(AtomPayload::TypeParam(n)) => n.as_str(),
-            other => panic!("expected TypeParam atom, got {other:?}"),
-        })
-        .collect();
-    assert_eq!(names, vec!["A", "B"]);
-}
-
-#[test]
-fn test_3a4_bounded_form_rejected_at_parse() {
-    // Acceptance: `fn f<T: Ord>(x: T) -> T = x` fails at parse with a
-    // diagnostic; bounds are rejected because algebra constraints
-    // come from use-site `inhabits` resolution.
-    let err = compile_to_dag("fn bound<T: Ord>(x: T) -> T = x", "test.v3")
-        .expect_err("bounded form must fail at parse");
-    let msg = format!("{err:?}");
-    assert!(
-        msg.contains("Colon") || msg.to_lowercase().contains("bound") || msg.contains(":"),
-        "bounded-form diagnostic should mention the bound syntax; got: {msg}"
-    );
-}
-
-// =================================================================
-// 3a.5 — Disj dotted-path
-// =================================================================
-
-#[test]
-fn test_3a5_match_arm_dotted_path_compiles() {
-    // Acceptance: dotted path through a pattern-bound variant
-    // payload. Unblocks Half B's B13.
-    let src = "type Point { x: Int, y: Int }\n\
-               type Opt = Some(Point) | None\n\
-               fn first(o: Opt) -> Int = match o { Some(p) => p.x, None => 0 }";
-    let dag = cached_compile_to_dag(src, "test.v3");
-    let first = dag
-        .declaration_by_name("first")
-        .expect("`first` declaration must exist");
-    assert!(
-        first.type_params.is_empty(),
-        "`first` is not generic; type_params must be empty"
-    );
-
-    // Stronger check: the compiled DAG must contain a FieldProject
-    // targeting `x`. If the arm-body path lowered correctly, the
-    // Transform exists; if the arm-body bailed out with an
-    // unresolved placeholder, there will be no FieldProject.
-    let has_field_project_x = dag.nodes().iter().any(|n| {
-        matches!(
-            n,
-            v3_compiler::dag::Behavior::Transform(t)
-            if matches!(
-                &t.target,
-                v3_compiler::dag::TransformTarget::UnresolvedFieldProject { field_label }
-                | v3_compiler::dag::TransformTarget::ResolvedFieldProject { field_label }
-                    if field_label == "x"
-            )
-        )
-    });
-    assert!(
-        has_field_project_x,
-        "match arm `Some(p) => p.x` must lower to a FieldProject<x> Transform"
-    );
-}
-
-#[test]
-fn test_3a5_nested_match_arm_dotted_path_compiles() {
-    // Harder case: nested dotted path through an arm-bound payload.
-    let src = "type Inner { a: Int, b: Int }\n\
-               type Outer { inner: Inner, tag: Int }\n\
-               type Wrapped = Wrap(Outer) | Empty\n\
-               fn pick(w: Wrapped) -> Int = match w { Wrap(o) => o.inner.a, Empty => 0 }";
-    cached_compile_to_dag(src, "test.v3");
-}
-
-// =================================================================
-// 3a.2 — data value semantics
-// =================================================================
-
-fn diagnostic_summary(dag: &Dag) -> String {
-    dag.nodes()
-        .iter()
-        .filter_map(|n| match n {
-            v3_compiler::dag::Behavior::Bind(b) => {
-                let port = dag.port(b.value);
-                match port.state() {
-                    v3_compiler::dag::PortState::Unresolved => Some(format!(
-                        "Bind `{}` unresolved: {:?}",
-                        b.name,
-                        dag.diagnostics().get(b.value)
-                    )),
-                    _ => None,
-                }
-            }
-            _ => None,
-        })
-        .collect::<Vec<_>>()
-        .join("\n")
-}
-
-fn assert_no_field_project(dag: &Dag, field: &str) {
-    let has_field_project = dag.nodes().iter().any(|n| {
-        matches!(
-            n,
-            v3_compiler::dag::Behavior::Transform(t)
-            if matches!(
-                &t.target,
-                v3_compiler::dag::TransformTarget::UnresolvedFieldProject { field_label }
-                    | v3_compiler::dag::TransformTarget::ResolvedFieldProject { field_label }
-                    if field_label == field
-            )
-        )
-    });
-    assert!(
-        !has_field_project,
-        "data-resolved `{field}` access must not lower to a FieldProject Transform"
-    );
-}
-
-#[test]
-fn test_3a2_scalar_data_compiles_and_populates_value_body() {
-    match compile_to_dag("data answer: Int = 42", "test.v3") {
-        Ok(dag) => {
-            let answer = dag
-                .declaration_by_name("answer")
-                .expect("`answer` declaration must exist");
-            assert!(
-                answer.value_body.is_some(),
-                "`data answer: Int = 42` must populate value_body; got None"
-            );
-        }
-        Err(CompileError::Semantic(dag)) => {
-            panic!(
-                "scalar data compile semantic error: {}",
-                diagnostic_summary(&dag)
-            );
-        }
-        Err(other) => panic!("scalar data compile structural error: {other:?}"),
-    }
-}
-
-#[test]
-fn test_3a2_data_reference_is_order_independent() {
-    // Reviewer finding (PR #496, chatgpt-codex P2): bodies are
-    // lowered in source order, so referencing a `data` item
-    // declared *after* the referring fn must still resolve —
-    // otherwise name resolution for top-level data values is
-    // order-dependent. The `seed_data_value_bodies_phase`
-    // pre-pass fixes this. Both orderings must compile.
-    let forward = "fn f() -> Int = answer\n\
-                   data answer: Int = 42";
-    let backward = "data answer: Int = 42\n\
-                    fn f() -> Int = answer";
-    let forward_dag = cached_compile_to_dag(forward, "forward.v3");
-    let backward_dag = cached_compile_to_dag(backward, "backward.v3");
-    for (label, dag) in [("forward", forward_dag), ("backward", backward_dag)] {
-        let has_value_42 = dag.nodes().iter().any(|n| {
-            matches!(
-                n,
-                v3_compiler::dag::Behavior::Value(v)
-                if matches!(
-                    &v.data,
-                    v3_compiler::dag::LiteralBits::Int(s) if s == "42"
-                )
-            )
-        });
-        assert!(
-            has_value_42,
-            "{label} must inline `answer` as Value(Int(42))"
-        );
-    }
-}
-
-#[test]
-fn test_3a2_data_referenced_in_fn_body_compiles() {
-    let src = "data answer: Int = 42\n\
-               fn f() -> Int = answer";
-    match compile_to_dag(src, "test.v3") {
-        Ok(dag) => {
-            assert!(
-                dag.declaration_by_name("f").is_some(),
-                "`fn f()` must lower successfully"
-            );
-        }
-        Err(CompileError::Semantic(dag)) => {
-            panic!(
-                "semantic error referencing data in fn body: {}",
-                diagnostic_summary(&dag)
-            );
-        }
-        Err(other) => panic!("structural error: {other:?}"),
-    }
-}
-
-#[test]
-fn test_3a2_record_data_compiles_structural() {
-    let src = "type Config { host: Int, port: Int }\n\
-               data cfg: Config = { host: 1, port: 8080 }";
-    let dag = cached_compile_to_dag(src, "test.v3");
-    let cfg = dag.declaration_by_name("cfg").expect("`cfg` must exist");
-    match &cfg.value_body {
-        Some(v3_compiler::dag::ValueBody::Structural { fields }) => {
-            assert_eq!(fields.len(), 2, "cfg must have two fields");
-        }
-        other => panic!("expected ValueBody::Structural, got {other:?}"),
-    }
-}
-
-#[test]
-fn test_3a2_record_data_lowers_function_refs_and_nested_records() {
-    let src = "\
-        type MiniMonoid {
-          op: fn(Int, Int) -> Int,
-          identity: Int
-        }\n\
-        type MiniLensShape {
-          read: fn(Int) -> Int,
-          sequential: MiniMonoid
-        }\n\
-        fn passthrough(x: Int) -> Int = x\n\
-        fn choose_left(a: Int, b: Int) -> Int = a\n\
-        data mini_lens_like: MiniLensShape = {
-          read: passthrough,
-          sequential: { op: choose_left, identity: 0 }
-        }";
-    let dag = cached_compile_to_dag(src, "test.v3");
-    let read_id = dag
-        .declaration_by_name("passthrough")
-        .expect("passthrough must exist")
-        .id;
-    let op_id = dag
-        .declaration_by_name("choose_left")
-        .expect("choose_left must exist")
-        .id;
-    let decl = dag
-        .declaration_by_name("mini_lens_like")
-        .expect("mini_lens_like must exist");
-
-    let Some(v3_compiler::dag::ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "expected function-ref/nested-record data body to lower structurally, got {:?}",
-            decl.value_body
-        );
-    };
-    let read = fields
-        .iter()
-        .find(|(label, _)| label == "read")
-        .map(|(_, value)| value)
-        .expect("read field must be present");
-    assert_eq!(
-        read,
-        &v3_compiler::dag::FieldValue::Reference(read_id),
-        "`read: passthrough` must lower as a declaration reference"
-    );
-
-    let sequential = fields
-        .iter()
-        .find(|(label, _)| label == "sequential")
-        .map(|(_, value)| value)
-        .expect("sequential field must be present");
-    let v3_compiler::dag::FieldValue::Record(nested) = sequential else {
-        panic!("`sequential` must lower as a nested structural record, got {sequential:?}");
-    };
-    let op = nested
-        .iter()
-        .find(|(label, _)| label == "op")
-        .map(|(_, value)| value)
-        .expect("op field must be present");
-    assert_eq!(
-        op,
-        &v3_compiler::dag::FieldValue::Reference(op_id),
-        "`sequential.op: choose_left` must lower as a declaration reference"
-    );
-    let identity = nested
-        .iter()
-        .find(|(label, _)| label == "identity")
-        .map(|(_, value)| value)
-        .expect("identity field must be present");
-    assert_eq!(
-        identity,
-        &v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::literal_bits_int(0)),
-        "`sequential.identity` must remain a checked scalar literal"
-    );
-}
-
-#[test]
-fn test_3a2_record_data_substitutes_generic_list_fields() {
-    let src = "\
-        type GenericAggregates<T> {
-          items: List<T>
-        }\n\
-        data aggregate_int: GenericAggregates<Int> = {
-          items: [1, 2]
-        }";
-    let dag = cached_compile_to_dag(src, "generic_aggregate_fields.v3");
-    let decl = dag
-        .declaration_by_name("aggregate_int")
-        .expect("aggregate_int must exist");
-    let Some(v3_compiler::dag::ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "expected aggregate_int to lower structurally, got {:?}",
-            decl.value_body
-        );
-    };
-    let items = fields
-        .iter()
-        .find(|(label, _)| label == "items")
-        .map(|(_, value)| value)
-        .expect("items field");
-    let v3_compiler::dag::FieldValue::List(items) = items else {
-        panic!("items must lower as a structural list, got {items:?}");
-    };
-    assert_eq!(
-        items,
-        &vec![
-            v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::literal_bits_int(1)),
-            v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::literal_bits_int(2)),
-        ]
-    );
-}
-
-#[test]
-fn test_3a2_record_data_discovers_list_through_type_param_substitution() {
-    let src = "\
-        type GenericSlot<T> {
-          value: T
-        }\n\
-        data list_slot: GenericSlot<List<Int>> = {
-          value: [1, 2]
-        }";
-    let dag = cached_compile_to_dag(src, "generic_slot_list_field.v3");
-    let decl = dag
-        .declaration_by_name("list_slot")
-        .expect("list_slot must exist");
-    let Some(v3_compiler::dag::ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "expected list_slot to lower structurally, got {:?}",
-            decl.value_body
-        );
-    };
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "value")
-        .map(|(_, value)| value)
-        .expect("value field");
-    let v3_compiler::dag::FieldValue::List(items) = value else {
-        panic!("value must lower as a structural list, got {value:?}");
-    };
-    assert_eq!(
-        items,
-        &vec![
-            v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::literal_bits_int(1)),
-            v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::literal_bits_int(2)),
-        ]
-    );
-}
-
-#[test]
-fn test_3a2_record_data_discovers_sum_through_type_param_substitution() {
-    let src = "\
-        type Maybe<T> = Some(T) | None\n\
-        type GenericSlot<T> {
-          value: T
-        }\n\
-        data maybe_slot: GenericSlot<Maybe<Int>> = {
-          value: Some(1)
-        }";
-    let dag = cached_compile_to_dag(src, "generic_slot_sum_field.v3");
-    let decl = dag
-        .declaration_by_name("maybe_slot")
-        .expect("maybe_slot must exist");
-    let Some(v3_compiler::dag::ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "expected maybe_slot to lower structurally, got {:?}",
-            decl.value_body
-        );
-    };
-    let value = fields
-        .iter()
-        .find(|(label, _)| label == "value")
-        .map(|(_, value)| value)
-        .expect("value field");
-    let v3_compiler::dag::FieldValue::Variant { payload, .. } = value else {
-        panic!("value must lower as a structural variant, got {value:?}");
-    };
-    assert_eq!(
-        payload,
-        &vec![v3_compiler::dag::FieldValue::Literal(
-            v3_compiler::dag::literal_bits_int(1)
-        )]
-    );
-}
-
-/// Inbox #1130 / #1139 — complexity `Lens<Int>` migration readiness: Prereq-1
-/// (Arrow-typed record fields + nested `Monoid<C>`) already lowers `fn`
-/// declaration references. This shape matches `Lens<C>`'s `branch` /
-/// `sequential` surface over `Int`; a real `data … : Lens<Int>` still waits
-/// on Prereq-2 for `read: … -> Witness<C>` and `validate: … ->
-/// OptionalDiagnostic` (variant constructors / block bodies), not on
-/// anything complexity-specific beyond that shared gap.
-#[test]
-fn test_3a2_lensish_int_carrier_lowers_branch_and_monoid_fn_refs() {
-    let src = "\
-        type MiniMonoid {\n\
-          op: fn(Int, Int) -> Int,\n\
-          identity: Int\n\
-        }\n\
-        type LensishIntCarrier {\n\
-          name: String,\n\
-          read: fn(Int) -> Int,\n\
-          sequential: MiniMonoid,\n\
-          branch: fn(Int, Int) -> Int\n\
-        }\n\
-        fn passthrough(x: Int) -> Int = x\n\
-        fn int_add(a: Int, b: Int) -> Int = a + b\n\
-        fn int_max(a: Int, b: Int) -> Int = if a > b then a else b\n\
-        data lensish_smoke: LensishIntCarrier = {\n\
-          name: \"smoke\",\n\
-          read: passthrough,\n\
-          sequential: { op: int_add, identity: 0 },\n\
-          branch: int_max\n\
-        }";
-    let dag = cached_compile_to_dag(src, "lensish_int_carrier.v3");
-    let read_id = dag
-        .declaration_by_name("passthrough")
-        .expect("passthrough must exist")
-        .id;
-    let op_id = dag
-        .declaration_by_name("int_add")
-        .expect("int_add must exist")
-        .id;
-    let branch_id = dag
-        .declaration_by_name("int_max")
-        .expect("int_max must exist")
-        .id;
-    let decl = dag
-        .declaration_by_name("lensish_smoke")
-        .expect("lensish_smoke must exist");
-    let Some(v3_compiler::dag::ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "expected lensish_smoke data body to lower structurally, got {:?}",
-            decl.value_body
-        );
-    };
-    let read = fields
-        .iter()
-        .find(|(label, _)| label == "read")
-        .map(|(_, value)| value)
-        .expect("read field");
-    assert_eq!(read, &v3_compiler::dag::FieldValue::Reference(read_id));
-
-    let branch = fields
-        .iter()
-        .find(|(label, _)| label == "branch")
-        .map(|(_, value)| value)
-        .expect("branch field");
-    assert_eq!(
-        branch,
-        &v3_compiler::dag::FieldValue::Reference(branch_id),
-        "`branch: int_max` must lower like `Lens<C>.branch` (join over arms)"
-    );
-
-    let sequential = fields
-        .iter()
-        .find(|(label, _)| label == "sequential")
-        .map(|(_, value)| value)
-        .expect("sequential field");
-    let v3_compiler::dag::FieldValue::Record(nested) = sequential else {
-        panic!("`sequential` must lower as a nested record, got {sequential:?}");
-    };
-    let op = nested
-        .iter()
-        .find(|(label, _)| label == "op")
-        .map(|(_, value)| value)
-        .expect("op field");
-    assert_eq!(op, &v3_compiler::dag::FieldValue::Reference(op_id));
-}
-
-#[test]
-fn test_3a2_lens_int_data_substitutes_generic_conj_fields() {
-    let src = "\
-        import std.algebra { Monoid }\n\
-        import std.substrate { Dag, Behavior, LoopBound }\n\
-        import v3.std.dimensions { Witness, OptionalDiagnostic }\n\
-        import v3.std.lens { Lens }\n\
-        fn lens_read(d: Dag, b: Behavior) -> Witness<Int> { Inhabits(1) }\n\
-        fn int_add(a: Int, b: Int) -> Int = a + b\n\
-        fn int_max(a: Int, b: Int) -> Int = if a > b then a else b\n\
-        fn lens_iterate(c: Int, bound: LoopBound) -> Int = c\n\
-        fn lens_validate(d: Dag, c: Int) -> OptionalDiagnostic { NoDiagnostic }\n\
-        data complexity_lens_seed: Lens<Int> = {\n\
-          name: \"complexity\",\n\
-          read: lens_read,\n\
-          sequential: { op: int_add, identity: 0 },\n\
-          branch: int_max,\n\
-          iterate: lens_iterate,\n\
-          validate: lens_validate\n\
-        }";
-    let dag = cached_compile_to_dag(src, "lens_int_generic_conj_substitution.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "Lens<Int> data body should compile after substituting Lens<C> and Monoid<C> fields: {:?}",
-        dag.diagnostics()
-    );
-    let read_id = dag.declaration_by_name("lens_read").unwrap().id;
-    let op_id = dag.declaration_by_name("int_add").unwrap().id;
-    let validate_id = dag.declaration_by_name("lens_validate").unwrap().id;
-    let decl = dag
-        .declaration_by_name("complexity_lens_seed")
-        .expect("complexity_lens_seed must exist");
-    let Some(v3_compiler::dag::ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "expected Lens<Int> data to lower structurally, got {:?}",
-            decl.value_body
-        );
-    };
-    assert_eq!(
-        fields.len(),
-        6,
-        "Lens<Int> carrier shape must stay six-field"
-    );
-    let read = fields.iter().find(|(label, _)| label == "read").unwrap();
-    assert_eq!(read.1, v3_compiler::dag::FieldValue::Reference(read_id));
-    let validate = fields
-        .iter()
-        .find(|(label, _)| label == "validate")
-        .unwrap();
-    assert_eq!(
-        validate.1,
-        v3_compiler::dag::FieldValue::Reference(validate_id)
-    );
-    let sequential = fields
-        .iter()
-        .find(|(label, _)| label == "sequential")
-        .map(|(_, value)| value)
-        .expect("sequential field");
-    let v3_compiler::dag::FieldValue::Record(nested) = sequential else {
-        panic!("`sequential` must lower as nested Monoid<Int> record, got {sequential:?}");
-    };
-    let op = nested.iter().find(|(label, _)| label == "op").unwrap();
-    assert_eq!(op.1, v3_compiler::dag::FieldValue::Reference(op_id));
-    let identity = nested
-        .iter()
-        .find(|(label, _)| label == "identity")
-        .unwrap();
-    assert_eq!(
-        identity.1,
-        v3_compiler::dag::FieldValue::Literal(v3_compiler::dag::literal_bits_int(0))
-    );
-}
-
-#[test]
-fn test_3a2_lens_int_data_rejects_unsubstituted_read_witness_mismatch() {
-    let src = "\
-        import std.algebra { Monoid }\n\
-        import std.substrate { Dag, Behavior, LoopBound }\n\
-        import v3.std.dimensions { Witness, OptionalDiagnostic }\n\
-        import v3.std.lens { Lens }\n\
-        fn lens_read(d: Dag, b: Behavior) -> Witness<String> { Inhabits(\"bad\") }\n\
-        fn int_add(a: Int, b: Int) -> Int = a + b\n\
-        fn int_max(a: Int, b: Int) -> Int = if a > b then a else b\n\
-        fn lens_iterate(c: Int, bound: LoopBound) -> Int = c\n\
-        fn lens_validate(d: Dag, c: Int) -> OptionalDiagnostic { NoDiagnostic }\n\
-        data bad_complexity_lens_seed: Lens<Int> = {\n\
-          name: \"complexity\",\n\
-          read: lens_read,\n\
-          sequential: { op: int_add, identity: 0 },\n\
-          branch: int_max,\n\
-          iterate: lens_iterate,\n\
-          validate: lens_validate\n\
-        }";
-    let err = compile_to_dag(src, "lens_int_generic_conj_substitution_negative.v3")
-        .expect_err("Lens<Int>.read must reject Witness<String> after substituting C := Int");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected semantic substitution mismatch, got {err:?}");
-    };
-    let lens_read_id = dag
-        .declaration_by_name("lens_read")
-        .expect("lens_read must exist")
-        .id;
-    let expected_read_ty = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diagnostic)| match diagnostic {
-            Diagnostic::TypeMismatch {
-                expected, actual, ..
-            } if actual.declaration == lens_read_id => Some(expected.declaration),
-            _ => None,
-        })
-        .expect("read mismatch must surface as structured TypeMismatch on lens_read");
-    let witness = dag.declaration_by_name("Witness").unwrap().id;
-    let int_decl = dag.declaration_by_name("Int").unwrap().id;
-    let string_decl = dag.declaration_by_name("String").unwrap().id;
-    let actual_arg = instantiation_arg(&dag, arrow_output_decl(&dag, lens_read_id), witness);
-    let expected_arg = instantiation_arg(&dag, arrow_output_decl(&dag, expected_read_ty), witness);
-    assert!(
-        same_instantiation_shape(&dag, actual_arg, string_decl),
-        "actual read output must be Witness<String>"
-    );
-    assert!(
-        same_instantiation_shape(&dag, expected_arg, int_decl),
-        "expected substituted read output must be Witness<Int>"
-    );
-    assert_ne!(
-        expected_arg, actual_arg,
-        "expected and actual witness carriers must differ"
-    );
-}
-
-#[test]
-fn test_3a2_record_data_rejects_type_alias_as_function_ref_value() {
-    let src = "\
-        type Callback = fn(Int) -> Int\n\
-        type MiniLensShape {
-          read: fn(Int) -> Int
-        }\n\
-        data bad_lens_like: MiniLensShape = { read: Callback }";
-    let err = compile_to_dag(src, "test.v3")
-        .expect_err("type-level function alias must not lower as a value-level function reference");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected semantic error for type alias used as value, got {err:?}");
-    };
-    assert!(
-        dag.declaration_by_name("bad_lens_like").is_some(),
-        "semantic error should preserve the rejected data declaration for diagnostics"
-    );
-}
-
-#[test]
-fn test_3a2_record_data_rejects_refined_function_ref_before_discharge() {
-    let src = "\
-        type MiniLensShape {
-          read: fn(Int) -> Int
-        }\n\
-        fn only_positive(x: Int where x > 0) -> Int = x\n\
-        data bad_lens_like: MiniLensShape = { read: only_positive }";
-    let err = compile_to_dag(src, "test.v3").expect_err(
-        "data record field refs must not accept seeded unrefined signatures for functions whose parameters have `where` refinements",
-    );
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected semantic error for refined function used before discharge, got {err:?}");
-    };
-    let joined = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect::<Vec<_>>()
-        .join("\n");
-    assert!(
-        joined.contains("where") || joined.contains("refined"),
-        "diagnostic should explain that a refined function ref cannot be stored through the data pre-pass; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a2_data_field_access_resolves_statically() {
-    // Acceptance (DB-10, lowering-time inlining): `cfg.host` inside
-    // a fn body must resolve to the record-literal field's value at
-    // compile time, producing a `Value(Int(1))` node *instead of* a
-    // runtime `FieldProject` on the `cfg` declaration. Ratchets the
-    // lowering-time-inlining choice (codex review on e0b4ded2f):
-    // if `cfg.host` ever silently regressed to a field-read
-    // Transform, this would catch it.
-    let src = "type Config { host: Int, port: Int }\n\
-               data cfg: Config = { host: 1, port: 8080 }\n\
-               fn get_host() -> Int = cfg.host";
-    let dag = match compile_to_dag(src, "test.v3") {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => panic!(
-            "semantic error on data field access: {}",
-            diagnostic_summary(&dag)
-        ),
-        Err(other) => panic!("structural error: {other:?}"),
-    };
-    let _ = dag
-        .declaration_by_name("get_host")
-        .expect("get_host must exist");
-
-    // Must contain a Value node holding Int(1) — the inlined `host`
-    // field value from the record literal.
-    let has_value_1 = dag.nodes().iter().any(|n| {
-        matches!(
-            n,
-            v3_compiler::dag::Behavior::Value(v)
-            if matches!(&v.data, v3_compiler::dag::LiteralBits::Int(s) if s == "1")
-        )
-    });
-    assert!(
-        has_value_1,
-        "`cfg.host` must lower to Value(Int(1)) (inlined field); got no such node"
-    );
-
-    // Must NOT contain a FieldProject<host> Transform — that would
-    // indicate runtime field access on a data value, defeating the
-    // lowering-time inlining.
-    assert_no_field_project(&dag, "host");
-}
-
-fn emit_all_targets(dag: &Dag, case: &str) -> Vec<(&'static str, String)> {
-    vec![
-        (
-            "Rust",
-            emit_rust(dag).unwrap_or_else(|err| panic!("Rust emits {case}: {err:?}")),
-        ),
-        (
-            "Python",
-            emit_python_text(dag).unwrap_or_else(|err| panic!("Python emits {case}: {err:?}")),
-        ),
-        (
-            "Go",
-            emit_go_text(dag).unwrap_or_else(|err| panic!("Go emits {case}: {err:?}")),
-        ),
-    ]
-}
-
-mod db_10_data_value_inline_demo {
-    use super::*;
-
-    #[test]
-    fn scalar_data_inlines_across_emitters() {
-        let scalar_src = "data answer: Int = 42\n\
-                          fn f() -> Int = answer + 1\n\
-                          let result: Int = f()";
-        let scalar = cached_compile_to_dag(scalar_src, "db_10_scalar_inline_demo.v3");
-        for (target, emitted) in emit_all_targets(&scalar, "scalar data inline demo") {
-            assert!(
-                emitted.contains("42 + 1"),
-                "{target} output must inline `answer` in `f` as `42 + 1`; got:\n{emitted}"
-            );
-        }
-    }
-
-    #[test]
-    fn record_field_inlines_across_emitters_without_field_project() {
-        let record_src = "type Config { host: String, port: Int }\n\
-                          data config: Config = { host: \"h\", port: 8080 }\n\
-                          fn host() -> String = config.host\n\
-                          let result: String = host()";
-        let record = cached_compile_to_dag(record_src, "db_10_record_inline_demo.v3");
-        assert_no_field_project(&record, "host");
-        for (target, emitted) in emit_all_targets(&record, "record data inline demo") {
-            assert!(
-                emitted.contains("\"h\""),
-                "{target} output must inline `config.host` as string literal `\"h\"`; got:\n{emitted}"
-            );
-        }
-    }
-
-    #[test]
-    fn scalar_data_field_access_rejects_with_declared_type_diagnostic() {
-        let err = compile_to_dag(
-            "data x: Int = 42\nfn bad() -> Int = x.foo",
-            "db_10_scalar_data_field_rejects.v3",
-        )
-        .expect_err("scalar data dotted field access must fail closed");
-        let CompileError::Semantic(dag) = err else {
-            panic!("expected semantic diagnostic for scalar data field access, got {err:?}");
-        };
-        let joined = dag
-            .diagnostics()
-            .iter()
-            .map(|(_, d)| d.message())
-            .collect::<Vec<_>>()
-            .join("\n");
-        assert!(
-            joined.contains("Int has no field foo"),
-            "scalar data field diagnostic should name the declared type and field; got:\n{joined}"
-        );
-    }
-}
-
-// =================================================================
-// 3a.3 — where refinement (DB-11 consumer landing)
-// =================================================================
-
-#[test]
-fn test_3a3_refined_parameter_compiles() {
-    // Acceptance (DB-11): a fn whose parameter carries a `where`
-    // refinement compiles cleanly. The parser captures the predicate,
-    // lowering creates a predicate Declaration and a refined type
-    // Declaration, and the refined decl's `refinement` edge points at
-    // the predicate. Internal use of `d` (e.g. `n / d`) is fine
-    // because the `/` operator doesn't require a refinement. Division now
-    // returns the fail-closed `Result<Int, DivError>` carrier.
-    let src = "import std.error_primitives { DivError, Result }\n\
-fn div(n: Int, d: Int where d != 0) -> Result<Int, DivError> = n / d";
-    let dag = cached_compile_to_dag(src, "test.v3");
-    let div = dag
-        .declaration_by_name("div")
-        .expect("`div` declaration must exist");
-    // The div Arrow's second input (d's type) must be a refined decl,
-    // i.e. carry `refinement: Some(_)`.
-    let TypeConnective::Arrow { inputs, .. } = &div.connective else {
-        panic!(
-            "`div` must have an Arrow connective; got {:?}",
-            div.connective
-        );
-    };
-    assert_eq!(inputs.len(), 2, "div has two parameters");
-    let d_decl = dag.declaration(inputs[1]);
-    assert!(
-        d_decl.refinement.is_some(),
-        "d's parameter declaration must carry a `refinement` edge; got None"
-    );
-}
-
-/// DB-11 alias-RHS refinement **binding rule** (documented for reviewers):
-///
-/// The predicate scope exposes exactly one name: the **alias identifier**
-/// (`PositiveInt` here), bound to a port typed as the RHS base (`Int`). The
-/// author must use that name in the `where` clause to refer to the refined
-/// subject — there is no separate synthetic parameter (contrast `fn` params,
-/// where the `where` uses the parameter name). Lowering passes `bind_name =
-/// name` into `build_refinement_predicate_declaration` in `lower.rs`.
-#[test]
-fn test_db11_type_alias_where_survives_parse_and_lower() {
-    // DB-11 alias-RHS closure: `where` must parse into `SurfaceItem::TypeAlias`
-    // and lower to `Declaration.refinement` (not be skipped at parse time).
-    let src = "type PositiveInt = Int where PositiveInt > 0";
-    let dag = cached_compile_to_dag(src, "alias_where.v3");
-    let decl = dag
-        .declaration_by_name("PositiveInt")
-        .expect("`PositiveInt` type alias");
-    assert!(
-        matches!(
-            &decl.connective,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(_))
-        ),
-        "refined alias should lower to Atom(ResolvedByStructure(base)); got {:?}",
-        decl.connective
-    );
-    assert!(
-        decl.refinement.is_some(),
-        "alias declaration must carry refinement: {:?}",
-        decl.refinement
-    );
-}
-
-/// Exploratory review receipt: `PositiveInt` in the `where` lowers through the
-/// predicate `Bind` (parameter port for the refinement), not a second edge to
-/// the alias `Declaration` itself.
-#[test]
-fn test_db11_type_alias_refinement_predicate_bind_tags_alias_subject() {
-    let file = "alias_refinement_bind.v3";
-    let dag = cached_compile_to_dag("type PositiveInt = Int where PositiveInt > 0", file);
-    let alias = dag
-        .declaration_by_name("PositiveInt")
-        .expect("type alias `PositiveInt`");
-    let pred_id = alias.refinement.expect("predicate decl");
-    let pred = dag.declaration(pred_id);
-    let TypeConnective::Arrow { body, .. } = &pred.connective else {
-        panic!("predicate decl must be an Arrow, got {:?}", pred.connective);
-    };
-    let bind_id = match body {
-        ArrowBody::UserDefined(n) => *n,
-        _ => panic!("expected UserDefined pred body, got {body:?}"),
-    };
-    let b = bind_id.bind(&dag);
-    assert!(
-        b.name.contains("PositiveInt") && b.name.contains("refinement:"),
-        "expected `<refinement:PositiveInt>`-style bind tag, got {:?}",
-        b.name
-    );
-}
-
-#[test]
-fn test_db11_type_alias_where_comma_conjoins() {
-    // Comma-separated alias constraints fold to left-associated `&&`
-    // (same surface shape as `type X = T where a, b` in std).
-    // Each conjunct uses the alias identifier `Bounded` as the subject name
-    // (same binding rule as `test_db11_type_alias_where_survives_parse_and_lower`).
-    let file = "alias_where_multi.v3";
-    let src = "type Bounded = Int where Bounded > 0, Bounded < 100";
-    let dag = cached_compile_to_dag(src, file);
-    let decl = dag.declaration_by_name("Bounded").expect("`Bounded`");
-    let pred_id = decl
-        .refinement
-        .expect("expected lowered refinement predicate");
-    let pred = dag.declaration(pred_id);
-    assert_eq!(
-        pred.span.file, file,
-        "refinement predicate must live in the test file"
-    );
-
-    // Must lower to a single `&&` (two `Comparison` conjuncts). A regression
-    // that kept only the first `where` part or forgot to conjoin would miss
-    // the `Logical(And)` and/or one comparison at this file scope.
-    let logical_ands = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .filter(|t| t.span.file == file)
-        .filter(|t| {
-            matches!(
-                t.target,
-                TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And))
-            )
-        })
-        .count();
-    assert_eq!(
-        logical_ands, 1,
-        "expected one comma-folded `&&` in the predicate"
-    );
-
-    // Both conjuncts must be present: `> 0` and `< 100` (Gt + Lt), not a folded copy
-    // of the first comparison only.
-    let gt = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .filter(|t| t.span.file == file)
-        .filter(|t| {
-            matches!(
-                t.target,
-                TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Gt))
-            )
-        })
-        .count();
-    let lt = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .filter(|t| t.span.file == file)
-        .filter(|t| {
-            matches!(
-                t.target,
-                TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Lt))
-            )
-        })
-        .count();
-    assert_eq!(gt, 1, "expected one `>` conjunct (Bounded > 0)");
-    assert_eq!(lt, 1, "expected one `<` conjunct (Bounded < 100)");
-}
-
-/// `dsl/std/types.dag` line shapes for alias refinements (R1 / DB-11 manager receipt):
-/// `range(min: …)` uses call sugar (`parse_call_args` + `label:`), and
-/// `non_empty, pattern("…")` splits only on top-level commas. Exercised under the
-/// real std filename so `lower_type_alias_refinements_phase` skips predicate
-/// lowering and PB-1 stays diagnostic-clean while parse coverage is locked.
-#[test]
-fn test_db11_type_alias_where_accepts_types_dag_constraint_spellings() {
-    let f = "dsl/std/types.dag";
-    // Per S9 Slice 2.5 Option A revised (Director RATIFIED at gunbc#828
-    // `issuecomment-4392245968`): `pattern` is structurally absent from the
-    // registry — the pre-Option-A combined spelling
-    // `String where non_empty, pattern("x")` no longer compiles cleanly.
-    // The remaining test exercises a registered predicate over an
-    // alias-friendly carrier (`Int`), which is the parse-coverage shape
-    // this test was originally locking. The full corpus coverage moves
-    // to the predicate-specific cement tests below.
-    let _ = cached_compile_to_dag("type R = Int where range(min: 1)", f);
-}
-
-/// Registered-predicate `where` clauses keep a placeholder `refinement` id
-/// (S9 Slice 2.5 — `KNOWN_PREDICATES` defers `Bool` pred bodies for names
-/// enrolled in the registry) so the parsed `where` is not a silent `None` —
-/// `lower.rs` P3 path. Replaces the prior PB-1 file-path-keyed behavior with
-/// name-keyed registry dispatch.
-#[test]
-fn test_types_dag_alias_refinement_is_deferred_placeholder_not_dropped() {
-    let f = "dsl/std/types.dag";
-    let dag = cached_compile_to_dag("type P = String where non_empty", f);
-    let decl = dag
-        .declaration_by_name("P")
-        .expect("type alias `P` should exist");
-    let pred_id = decl.refinement.expect(
-        "registered-predicate `where` must not disappear from the declaration; use placeholder",
-    );
-    let pred = dag.declaration(pred_id);
-    let label = pred
-        .name
-        .as_deref()
-        .expect("placeholder should carry a diagnostic name");
-    assert!(
-        label.contains("predicate not lowered"),
-        "expected registered-refinement placeholder label, got {label:?}"
-    );
-}
-
-/// S9 Slice 2.5 Path (a) cement: registered-predicate placeholder dispatch is
-/// **not** scoped to `dsl/std/types.dag` — registry-name dispatch is
-/// substrate-state-keyed, not file-path-keyed. Locks the PB-1 shim retirement
-/// per Director ratification at gunbc#828 `issuecomment-4390333451`.
-#[test]
-fn test_registered_predicate_placeholder_works_outside_types_dag() {
-    let f = "dsl/std/integer.dag";
-    let dag = cached_compile_to_dag("type P = String where non_empty", f);
-    let decl = dag
-        .declaration_by_name("P")
-        .expect("type alias `P` should exist");
-    let pred_id = decl
-        .refinement
-        .expect("registered-predicate `where` must take a placeholder regardless of file path");
-    let label = dag
-        .declaration(pred_id)
-        .name
-        .as_deref()
-        .expect("placeholder should carry a diagnostic name");
-    assert!(
-        label.contains("predicate not lowered"),
-        "expected registered-refinement placeholder label, got {label:?}"
-    );
-}
-
-/// S9 Slice 2.5 Path (a) cement (openai-pro REQUEST_CHANGES at gunbc PR
-/// #1846 `79c4da09`): a mixed `where`-clause that combines a body-synthesized
-/// predicate (`brand`) with a placeholder-only predicate (`non_empty`)
-/// fails-closed via `Diagnostic::ResolveError` rather than collapsing both
-/// into a single placeholder (which would silently lose the synthesized
-/// enforcement). Per-leaf refinement representation is the named follow-on
-/// that would let mixed clauses lower without fail-closed.
-#[test]
-fn test_mixed_synthesizable_and_placeholder_predicates_fails_closed() {
-    let f = "dsl/std/integer.dag";
-    // `brand` synthesizes (reflexive Eq); `non_empty` remains placeholder-only
-    // on `String` until discharge lands — Mixed fail-closed must persist.
-    let dag = cached_compile_any("type M = String where brand(\"X\"), non_empty", f);
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "mixed synthesizable + placeholder predicate clause must surface a \
-         diagnostic (synthesized facts cannot collapse into a single \
-         placeholder without losing enforcement)"
-    );
-    if let Some(decl) = dag.declaration_by_name("M") {
-        if let Some(pred_id) = decl.refinement {
-            let label = dag.declaration(pred_id).name.as_deref();
-            assert!(
-                label.is_none() || !label.unwrap().contains("predicate not lowered"),
-                "mixed clause should NOT take a placeholder; got label {label:?}"
-            );
-        }
-    }
-}
-
-/// S9 Slice 2.5 Path (a) cement (openai-pro REQUEST_CHANGES at gunbc PR
-/// #1846 `4a42cb1f`): nested-`And` conjunctions in `where` clauses must
-/// aggregate per-leaf synthesized/placeholder facts correctly.
-///
-/// Pre-fix bug: `leaf_predicate_name(arg)` returned `None` for an
-/// `Operator(And)` arg (it's not a leaf), so a clause like
-/// `brand("A"), brand("B"), non_empty` parsing as `(brand("A"), brand("B")), non_empty` would
-/// record only `non_empty` as a leaf name — outer aggregation would see an
-/// empty `synthesized_names` vector and classify the whole clause as
-/// `AllPlaceholder` instead of `Mixed`. The nested brand-derived facts
-/// would silently collapse into a single placeholder.
-///
-/// Fix: `collect_leaf_predicate_names` recurses through `And` subtrees so
-/// every leaf name reaches the outer aggregator. This test cements the
-/// fail-closed Mixed diagnostic with **nested** `And` grouping (two
-/// synthesized `brand` leaves under an inner conjunction).
-#[test]
-fn test_nested_and_with_placeholder_leaf_fails_closed() {
-    let f = "dsl/std/integer.dag";
-    let dag = cached_compile_any(
-        "type N = String where brand(\"A\"), brand(\"B\"), non_empty",
-        f,
-    );
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "nested-And clause with synthesized + placeholder leaves must \
-         surface a Mixed-fail-closed diagnostic"
-    );
-    if let Some(decl) = dag.declaration_by_name("N") {
-        if let Some(pred_id) = decl.refinement {
-            let label = dag.declaration(pred_id).name.as_deref();
-            assert!(
-                label.is_none() || !label.unwrap().contains("predicate not lowered"),
-                "nested-And mixed clause should NOT collapse into a \
-                 placeholder; got label {label:?}"
-            );
-        }
-    }
-}
-
-/// R3 gate #20 / S9 Path (a): `brand("X")` lowers to a **real** refinement
-/// body (`subject == subject` ∧ tag literal reflexive `Eq`) — not a placeholder
-/// — so nominal labels participate in structural discharge and compose with
-/// synthesizable `range` on `Milliseconds` / `Seconds`.
-#[test]
-fn test_brand_lowers_to_real_refinement_body_not_placeholder() {
-    use v3_compiler::dag::{ArrowBody, Behavior, TransformTarget, TypeConnective};
-    use v3_compiler::operators::{ComparisonOp, LogicalOp, OperatorKind};
-
-    let f = "dsl/std/integer.dag";
-    let dag = cached_compile_to_dag("type B = Int where brand(\"B\")", f);
-    let decl = dag
-        .declaration_by_name("B")
-        .expect("type alias `B` should exist");
-    let pred_id = decl
-        .refinement
-        .expect("`brand` refinement must produce a `Declaration::refinement`");
-    let pred = dag.declaration(pred_id);
-    if let Some(label) = pred.name.as_deref() {
-        assert!(
-            !label.contains("predicate not lowered"),
-            "`brand` must lower to a real refinement body, not placeholder; \
-             got label {label:?}"
-        );
-    }
-    let TypeConnective::Arrow { body, .. } = &pred.connective else {
-        panic!(
-            "`brand` refinement should be `Arrow`-shaped; got connective={:?}",
-            pred.connective
-        );
-    };
-    let ArrowBody::UserDefined(bind_node_id) = body else {
-        panic!("`brand` Arrow body should be `UserDefined`; got {body:?}");
-    };
-    let bind = bind_node_id
-        .bind_opt(&dag)
-        .expect("Bind node id should resolve to a `Behavior::Bind`");
-    let value_port = bind.value;
-    let producer = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Transform(t) if t.output == value_port => Some(t),
-            _ => None,
-        })
-        .expect("`brand` body should be produced by a Transform node");
-    match &producer.target {
-        TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And)) => {}
-        other => panic!("`brand` root should be logical And; got {other:?}"),
-    }
-    assert_eq!(
-        producer.inputs.len(),
-        2,
-        "`brand` body should join subject reflex + tag reflex"
-    );
-    for &inp in &producer.inputs {
-        let conj = dag
-            .nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Transform(t) if t.output == inp => Some(t),
-                _ => None,
-            })
-            .expect("conjunct producer");
-        match &conj.target {
-            TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)) => {}
-            other => panic!("each `brand` conjunct should be Comparison(Eq); got {other:?}"),
-        }
-    }
-}
-
-/// S9 Slice 2.5 Path (a) Rung 3 cement: `gt_zero` body synthesis produces a
-/// **real** refinement (not a placeholder). `synthesize_predicate_body`
-/// lowers `gt_zero` to `subject > 0`, which `build_refinement_predicate_declaration`
-/// turns into a proper `Arrow` declaration (Bool-returning predicate body) —
-/// satisfying Director Path (a) requirement that valid registered predicates
-/// must have actual refinement-body lowering, not placeholder semantics.
-#[test]
-fn test_gt_zero_lowers_to_real_refinement_body_not_placeholder() {
-    use v3_compiler::dag::{ArrowBody, Behavior, TransformTarget, TypeConnective};
-    use v3_compiler::operators::{ComparisonOp, OperatorKind};
-
-    let f = "dsl/std/integer.dag";
-    let dag = cached_compile_to_dag("type Pos = Nat where gt_zero", f);
-    let decl = dag
-        .declaration_by_name("Pos")
-        .expect("type alias `Pos` should exist");
-    let pred_id = decl
-        .refinement
-        .expect("`gt_zero` refinement must produce a real `Declaration::refinement`");
-    let pred = dag.declaration(pred_id);
-    if let Some(label) = pred.name.as_deref() {
-        assert!(
-            !label.contains("predicate not lowered"),
-            "`gt_zero` must lower to a real refinement body, not placeholder; \
-             got label {label:?}"
-        );
-    }
-    // openai-pro REQUEST_CHANGES at PR #1846 (`e1ec3d1a`): assert the
-    // published carrier shape, not just "non-placeholder". `PositiveInt`'s
-    // substrate contract depends on `gt_zero` being exactly `> 0`; a
-    // regression that lowered to `subject == subject` / `true` / any other
-    // real-but-wrong body would still have satisfied the prior assertion.
-    let TypeConnective::Arrow { body, .. } = &pred.connective else {
-        panic!(
-            "`gt_zero` refinement should be `Arrow`-shaped; got connective={:?}",
-            pred.connective
-        );
-    };
-    let ArrowBody::UserDefined(bind_node_id) = body else {
-        panic!("`gt_zero` Arrow body should be `UserDefined`; got {body:?}");
-    };
-    let bind = bind_node_id
-        .bind_opt(&dag)
-        .expect("Bind node id should resolve to a `Behavior::Bind`");
-    // The bind's value port is the output of the lowered predicate
-    // expression. Find the Transform whose output is the bind's value.
-    let value_port = bind.value;
-    let producer = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Transform(t) if t.output == value_port => Some(t),
-            _ => None,
-        })
-        .expect("`gt_zero` body should be produced by a Transform node");
-    match &producer.target {
-        TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Gt)) => {}
-        other => panic!("`gt_zero` body should be `Comparison(Gt)`; got {other:?}"),
-    }
-    // The Gt operator has 2 inputs: subject and literal 0. Find the Value
-    // node feeding one of the input ports with `literal_bits_int(0)`.
-    let zero_literal = producer.inputs.iter().any(|input_port| {
-        dag.nodes().iter().any(|node| match node {
-            Behavior::Value(v) => v.output == *input_port && v.data == literal_bits_int(0),
-            _ => false,
-        })
-    });
-    assert!(
-        zero_literal,
-        "`gt_zero` body's Gt operator should have a literal `Int(0)` input"
-    );
-}
-
-/// R3 gate #20 cement: `unicode_scalar` lowers to the surrogate-excluding union
-/// `(0 ≤ s ≤ 0xD7FF) ∨ (0xE000 ≤ s ≤ 0x10FFFF)`. A regression that modeled
-/// Unicode scalars as a single full range through `U+10FFFF` would admit
-/// surrogate code units `U+D800..=U+DFFF` and still satisfy weaker tests that
-/// only assert “some refinement exists”.
-#[test]
-fn test_unicode_scalar_lowers_to_surrogate_excluding_union() {
-    use v3_compiler::dag::{ArrowBody, TypeConnective};
-    use v3_compiler::operators::{ComparisonOp, LogicalOp, OperatorKind};
-
-    fn transform_at_output(dag: &Dag, output_port: PortId) -> &TransformNode {
-        dag.nodes()
-            .iter()
-            .find_map(|node| match node {
-                Behavior::Transform(t) if t.output == output_port => Some(t),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("no transform producing port {output_port:?}"))
-    }
-
-    fn int_literal_on_port(dag: &Dag, port: PortId) -> Option<i64> {
-        dag.nodes().iter().find_map(|node| match node {
-            Behavior::Value(v) if v.output == port => match &v.data {
-                LiteralBits::Int(s) => s.parse().ok(),
-                _ => None,
-            },
-            _ => None,
-        })
-    }
-
-    fn comparison_op_and_literal(dag: &Dag, t: &TransformNode) -> (ComparisonOp, i64) {
-        let op = match &t.target {
-            TransformTarget::Operator(OperatorKind::Comparison(c)) => *c,
-            other => panic!("expected comparison transform; got {other:?}"),
-        };
-        let lit = t
-            .inputs
-            .iter()
-            .filter_map(|p| int_literal_on_port(dag, *p))
-            .next()
-            .expect("comparison should reference an int literal operand");
-        (op, lit)
-    }
-
-    fn band_interval(dag: &Dag, and_t: &TransformNode) -> (i64, i64) {
-        assert!(
-            matches!(
-                and_t.target,
-                TransformTarget::Operator(OperatorKind::Logical(LogicalOp::And))
-            ),
-            "unicode_scalar arm should be logical And; got {:?}",
-            and_t.target
-        );
-        assert_eq!(and_t.inputs.len(), 2, "each scalar band is two comparisons");
-        let mut ge_v = None;
-        let mut le_v = None;
-        for &p in &and_t.inputs {
-            let cmp_t = transform_at_output(dag, p);
-            let (op, v) = comparison_op_and_literal(dag, cmp_t);
-            match op {
-                ComparisonOp::Ge => ge_v = Some(v),
-                ComparisonOp::Le => le_v = Some(v),
-                _ => panic!("band comparisons must be Ge/Le; got {op:?}"),
-            }
-        }
-        (ge_v.expect("band needs Ge"), le_v.expect("band needs Le"))
-    }
-
-    const MAX_BMP_NON_SURROGATE: i64 = 0xD7FF;
-    const MIN_POST_SURROGATE: i64 = 0xE000;
-    const MAX_UNICODE_SCALAR: i64 = 0x10_FFFF;
-
-    let f = "dsl/std/types.dag";
-    let dag = cached_compile_to_dag("type ScalarInt = Int where unicode_scalar", f);
-    let decl = dag
-        .declaration_by_name("ScalarInt")
-        .expect("type alias `ScalarInt` should exist");
-    let pred_id = decl
-        .refinement
-        .expect("`unicode_scalar` must produce a refinement declaration");
-    let pred = dag.declaration(pred_id);
-    if let Some(label) = pred.name.as_deref() {
-        assert!(
-            !label.contains("predicate not lowered"),
-            "`unicode_scalar` must lower to a real body; got label {label:?}"
-        );
-    }
-    let TypeConnective::Arrow { body, .. } = &pred.connective else {
-        panic!(
-            "`unicode_scalar` refinement should be Arrow-shaped; got {:?}",
-            pred.connective
-        );
-    };
-    let ArrowBody::UserDefined(bind_node_id) = body else {
-        panic!("expected UserDefined arrow body; got {body:?}");
-    };
-    let bind = bind_node_id
-        .bind_opt(&dag)
-        .expect("bind node for unicode_scalar body");
-    let value_port = bind.value;
-    let or_t = dag
-        .nodes()
-        .iter()
-        .find_map(|node| match node {
-            Behavior::Transform(t) if t.output == value_port => Some(t),
-            _ => None,
-        })
-        .expect("unicode_scalar body should end in a Transform");
-    assert!(
-        matches!(
-            or_t.target,
-            TransformTarget::Operator(OperatorKind::Logical(LogicalOp::Or))
-        ),
-        "unicode_scalar root should be Or of two bands; got {:?}",
-        or_t.target
-    );
-    assert_eq!(or_t.inputs.len(), 2, "exactly two disjoint intervals");
-
-    let mut bands = Vec::new();
-    for &p in &or_t.inputs {
-        let and_t = transform_at_output(&dag, p);
-        bands.push(band_interval(&dag, and_t));
-    }
-    bands.sort_by_key(|(lo, _)| *lo);
-    assert_eq!(
-        bands,
-        vec![
-            (0, MAX_BMP_NON_SURROGATE),
-            (MIN_POST_SURROGATE, MAX_UNICODE_SCALAR)
-        ],
-        "expected BMP ∪ supplementary scalar ranges excluding surrogates U+D800..=U+DFFF \
-         (hole between 0xD7FF and 0xE000)"
-    );
-}
-
-/// R3 gate #20 / scalar-literal boundary: synthesizable `where` predicates
-/// (`range`, `unicode_scalar`, `brand`, `And` compositions) must discharge from
-/// plain Int literals so std aliases like `Char` and `Milliseconds` stay
-/// constructible from `data` scalar witnesses (the `lower_scalar_literal_for_type`
-/// discharge site).
-///
-/// We use a local `SecNominal` alias (`range` ∧ `brand`) instead of std `Seconds`:
-/// the bootstrapped DAG also exposes a phantom SI `Seconds` unit declaration
-/// (`dimensions.dag`), and `declaration_by_name("Seconds")` can resolve to that
-/// `Conj` stub — then `walks_to(..., Int)` fails and literals surface as
-/// "scalar literal does not match declared type". `SecNominal` keeps the test
-/// hermetic while still covering the same synthesized predicate shape as
-/// `dsl/std/types.dag`'s temporal nominals.
-///
-/// Annotated `let … = <literal>` still relies on inference reconciliation for
-/// default-`Int` literals vs refined aliases (pilot range facts), which is
-/// outside this regression lock.
-#[test]
-fn test_gate20_scalar_literals_statically_discharge_refinements() {
-    let f = "dsl/std/types.dag";
-    let _ = cached_compile_to_dag(
-        "type SecNominal = Int where range(min: 0), brand(\"SecNominal\")\n\
-         data ms_ok: Milliseconds = 0\n\
-         data sec_ok: SecNominal = 1\n\
-         data ch_ok: Char = 65\n",
-        f,
-    );
-}
-
-#[test]
-fn test_gate20_char_literal_surrogate_rejected() {
-    let f = "dsl/std/types.dag";
-    let err =
-        compile_to_dag("data bad_char: Char = 55296\n", f).expect_err("U+D800 surrogate Char");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected semantic error; got {err:?}");
-    };
-    assert!(
-        dag.diagnostics().iter().any(|(_, d)| {
-            matches!(
-                d,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("scalar literal") && name.contains("refinement")
-            )
-        }),
-        "expected scalar-literal refinement diagnostic for surrogate; got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn test_gate20_milliseconds_negative_literal_rejected() {
-    let f = "dsl/std/types.dag";
-    let err =
-        compile_to_dag("data bad_ms: Milliseconds = -1\n", f).expect_err("negative Milliseconds");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected semantic error; got {err:?}");
-    };
-    assert!(
-        dag.diagnostics().iter().any(|(_, d)| {
-            matches!(
-                d,
-                Diagnostic::ResolveError { name, .. }
-                    if name.contains("scalar literal") && name.contains("refinement")
-            )
-        }),
-        "expected scalar-literal refinement diagnostic for out-of-range literal; got {:?}",
-        dag.diagnostics()
-    );
-}
-
-/// S9 Slice 2.5 Path (a) cement: registered predicate applied to a
-/// non-allowed carrier fails closed — either via the carrier-compatibility
-/// reject in `validate_predicate_clause` (emits `Diagnostic::ResolveError`
-/// directly) or via the fall-through to live resolution. Locks the carrier
-/// check from `788d6acb4`. `gt_zero` is allowed only over `Nat` / `Int`;
-/// applying to `String` must surface a diagnostic and must NOT take a
-/// placeholder.
-#[test]
-fn test_registered_predicate_on_disallowed_carrier_fails_closed() {
-    let f = "dsl/std/types.dag";
-    let dag = cached_compile_any("type P = String where gt_zero", f);
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "carrier-incompatible registered predicate must surface a diagnostic"
-    );
-    if let Some(decl) = dag.declaration_by_name("P") {
-        if let Some(pred_id) = decl.refinement {
-            let label = dag.declaration(pred_id).name.as_deref();
-            assert!(
-                label.is_none() || !label.unwrap().contains("predicate not lowered"),
-                "carrier-incompatible registered predicate should NOT take a \
-                 placeholder; got label {label:?}"
-            );
-        }
-    }
-}
-
-/// S9 Slice 2.5 Option A revised cement (Director RATIFIED at gunbc#828
-/// `issuecomment-4392245968`): `where pattern(...)` / `where format(...)` /
-/// `where content(...)` are STRUCTURALLY ABSENT from the predicate registry
-/// — user-code authoring these where-clauses falls through to live
-/// resolution and surfaces a `Diagnostic::ResolveError`. Q-Regex-Primitive
-/// is the named substrate-fact-introduction follow-on that will re-enroll
-/// these predicates. Until then, no "named but not checked" path exists.
-#[test]
-fn test_pattern_format_content_unregistered_fails_closed() {
-    // Use cached_compile_any so we can read diagnostics for fail-closed
-    // verification (cached_compile_to_dag panics on semantic errors).
-    let f = "dsl/std/types.dag";
-    for src in [
-        "type P = Int where pattern(\"^x\")",
-        "type F = Int where format(uuid)",
-        "type C = Int where content(Text)",
-    ] {
-        let dag = cached_compile_any(src, f);
-        assert!(
-            !dag.diagnostics().is_empty(),
-            "user-code authoring of pattern/format/content predicate must surface \
-             a diagnostic (predicate is structurally absent from the registry \
-             pending Q-Regex-Primitive); src={src:?}"
-        );
-    }
-}
-
-/// S9 Slice 2.5 Path (a) cement: bare predicate with explicit empty arg
-/// list (e.g. `gt_zero()`) is rejected — bare-predicate arg-shape contract
-/// is strictly the bare-ident form, not zero-arg-call-compatible. Cements
-/// Codex BLOCKING at PR #1846 inline `lower.rs:895`.
-#[test]
-fn test_bare_predicate_with_empty_call_args_fails_closed() {
-    let f = "dsl/std/integer.dag";
-    let dag = cached_compile_any("type P = Nat where gt_zero()", f);
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "bare predicate with explicit empty call args must surface a diagnostic"
-    );
-    if let Some(decl) = dag.declaration_by_name("P") {
-        if let Some(pred_id) = decl.refinement {
-            let label = dag.declaration(pred_id).name.as_deref();
-            assert!(
-                label.is_none() || !label.unwrap().contains("predicate not lowered"),
-                "bare-predicate-with-empty-args should NOT take a placeholder; \
-                 got label {label:?}"
-            );
-        }
-    }
-}
-
-/// S9 Slice 2.5 Path (a) Rung 3 cement: `range` body synthesis produces a
-/// **real** refinement (not a placeholder). `synthesize_predicate_body`
-/// lowers `range(min: m)` / `range(max: M)` / `range(min: m, max: M)` to
-/// the corresponding Comparison(Ge) / Comparison(Le) / And-combination Bool
-/// body. Initial enable hit a test-fixture brittleness in
-/// `int_literal_cardinality_test::let_annotated_uint8_*` — the test used
-/// `find_map(Value(literal_bits_int(5)))` and matched a synthesized literal
-/// from a types.dag `range(max: 5)` declaration before the user's literal.
-/// Resolved by filtering the test's literal lookup to the user-source span
-/// (`assert_int_value_port_resolves_to_uint8_in_file`).
-#[test]
-fn test_range_lowers_to_real_refinement_body_not_placeholder() {
-    let f = "dsl/std/integer.dag";
-    for src in [
-        "type R = Int where range(min: 1)",
-        "type R = Int where range(max: 100)",
-        "type R = Int where range(min: 1, max: 100)",
-    ] {
-        let dag = cached_compile_to_dag(src, f);
-        let decl = dag
-            .declaration_by_name("R")
-            .expect("type alias `R` should exist");
-        let pred_id = decl
-            .refinement
-            .expect("`range` refinement must produce a real `Declaration::refinement`");
-        let pred = dag.declaration(pred_id);
-        if let Some(label) = pred.name.as_deref() {
-            assert!(
-                !label.contains("predicate not lowered"),
-                "`range` must lower to a real refinement body, not placeholder \
-                 (src={src:?}); got label {label:?}"
-            );
-        }
-    }
-}
-
-/// S9 Slice 2.5 Path (a) cement: registered predicate with duplicate
-/// record-shape field fails closed. `range(min: 1, min: 2)` lists `min`
-/// twice; the arg-shape validator rejects the duplicate so it cannot
-/// silently take a placeholder.
-#[test]
-fn test_registered_predicate_with_duplicate_record_field_fails_closed() {
-    let f = "dsl/std/types.dag";
-    let dag = cached_compile_any("type P = Int where range(min: 1, min: 2)", f);
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "duplicate-field registered predicate must surface a diagnostic"
-    );
-    if let Some(decl) = dag.declaration_by_name("P") {
-        if let Some(pred_id) = decl.refinement {
-            let label = dag.declaration(pred_id).name.as_deref();
-            assert!(
-                label.is_none() || !label.unwrap().contains("predicate not lowered"),
-                "duplicate-field registered predicate should NOT take a \
-                 placeholder; got label {label:?}"
-            );
-        }
-    }
-}
-
-/// S9 Slice 2.5 Path (a) cement: registered predicate with malformed
-/// argument shape fails closed. `range(bogus: 1)` does not match the
-/// `range(min, max)` arg-shape contract; it must surface a
-/// `Diagnostic::ResolveError` rather than silently take a placeholder.
-#[test]
-fn test_registered_predicate_with_malformed_args_fails_closed() {
-    let f = "dsl/std/types.dag";
-    let dag = cached_compile_any("type P = Int where range(bogus: 1)", f);
-    assert!(
-        !dag.diagnostics().is_empty(),
-        "malformed-arg registered predicate must surface a diagnostic"
-    );
-    if let Some(decl) = dag.declaration_by_name("P") {
-        if let Some(pred_id) = decl.refinement {
-            let label = dag.declaration(pred_id).name.as_deref();
-            assert!(
-                label.is_none() || !label.unwrap().contains("predicate not lowered"),
-                "malformed-arg registered predicate should NOT take a \
-                 placeholder; got label {label:?}"
-            );
-        }
-    }
-}
-
-/// `call_args_open_with_named_field` is **global** call sugar (not only
-/// `where` refinements): `f(a: x, b: y)` becomes one `Call` with a `Record`
-/// argument. This test locks that shape so it cannot drift while DB-11
-/// `range(min: …)` / std alias refinements rely on the same path.
-#[test]
-fn test_parse_call_named_args_desugar_to_one_record_argument() {
-    let file = "named_call_arg_sugar.v3";
-    let src = "fn f() -> Int = g(x: 1, y: 2)";
-    let tokens = tokenize_for_test(src, file).expect("tokenize");
-    let module = parse_for_test(&tokens, file).expect("parse");
-    let SurfaceItem::Fn { body, .. } = &module.items[0] else {
-        panic!("expected top-level `fn`");
-    };
-    let SurfaceExpr::Call { target, args, .. } = body else {
-        panic!("expected call expression as fn body, got {body:?}");
-    };
-    assert_eq!(target, "g");
-    assert_eq!(
-        args.len(),
-        1,
-        "named-arg sugar should be a single `Record` arg"
-    );
-    let SurfaceExpr::Record { fields, .. } = &args[0] else {
-        panic!("expected `Record` arg, got {:?}", args[0]);
-    };
-    assert_eq!(
-        fields.len(),
-        2,
-        "Record should carry every `label: expr` field"
-    );
-    assert_eq!(fields[0].name, "x");
-    assert_eq!(fields[1].name, "y");
-}
-
-/// After the first `ident: expr`, the named-field call path requires every
-/// subsequent argument to be `label: expr` — there is no mixed positional
-/// tail (review: `f(a: 1, 2)` must not silently parse).
-#[test]
-fn test_parse_call_named_arg_then_positional_fails() {
-    let file = "named_call_mixed_positional.v3";
-    let src = "fn f() -> Int = g(x: 1, 2)";
-    let tokens = tokenize_for_test(src, file).expect("tokenize");
-    let err = parse_for_test(&tokens, file).expect_err("expected parse failure for mixed form");
-    assert!(
-        matches!(err, Diagnostic::ParseError { .. }),
-        "expected ParseError, got {err:?}"
-    );
-}
-
-#[test]
-fn test_3a3_call_with_violating_literal_is_rejected() {
-    // Acceptance (DB-11): `div(1, 0)` is rejected at compile time
-    // because the literal `0` has no refinement, but div's second
-    // parameter expects `Int where d != 0`. The structural-equality
-    // check fails, emitting a diagnostic.
-    let src = "fn div(n: Int, d: Int where d != 0) -> Int = n\n\
-               fn bad() -> Int = div(1, 0)";
-    let err = compile_to_dag(src, "test.v3")
-        .expect_err("div(1, 0) must fail the refinement discharge check");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected Semantic error, got {err:?}");
-    };
-    let diagnostic_msgs: Vec<String> = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect();
-    let joined = diagnostic_msgs.join("\n");
-    assert!(
-        joined.contains("refinement") || joined.contains("no narrowing"),
-        "at least one diagnostic must name refinement failure; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a3_call_with_matching_refined_arg_compiles() {
-    // Acceptance (DB-11): passing a parameter that already carries the
-    // same refinement as the callee's parameter discharges the check.
-    // `f(n: Int, d: Int where d != 0)` forwards `d` to `div(n, d)`
-    // whose second parameter also requires `d != 0`. Structural walk
-    // on the predicate DAGs pairs the two `d`-slots across sides and
-    // the `!=` operator resolution, so the predicates walk equal.
-    let src = "fn div(n: Int, d: Int where d != 0) -> Int = n\n\
-               fn f(n: Int, d: Int where d != 0) -> Int = div(n, d)";
-    let _dag = compile_to_dag(src, "test.v3").expect(
-        "forwarding a parameter with the same refinement to a callee \
-         with the same refinement must pass structural discharge",
-    );
-}
-
-#[test]
-fn test_3a3_distinct_refinements_do_not_discharge() {
-    // Acceptance (DB-11): refinements that aren't structurally
-    // identical do not discharge each other. `x > 1` does NOT
-    // automatically satisfy `x > 0` — the design commits to
-    // structural equality on predicate DAGs, no implication reasoning.
-    // Here the caller's refinement is `d > 1` and the callee expects
-    // `d > 0`. Predicate DAGs differ at the right operand (Value(1)
-    // vs Value(0)), so the walk rejects.
-    let src = "fn at_least_one(n: Int, d: Int where d > 0) -> Int = n\n\
-               fn caller(d: Int where d > 1) -> Int = at_least_one(0, d)";
-    let err = compile_to_dag(src, "test.v3")
-        .expect_err("distinct refinements should not entail each other (structural equality only)");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected Semantic error, got {err:?}");
-    };
-    let joined = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect::<Vec<_>>()
-        .join("\n");
-    assert!(
-        joined.contains("refinement"),
-        "diagnostic must name refinement failure; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a3_where_clause_does_not_break_signatureless_fn() {
-    // Regression: refinement lowering must fire only when a `where`
-    // is present. Bare `fn id(x: Int) -> Int = x` still compiles.
-    let src = "fn id(x: Int) -> Int = x";
-    let _ = cached_compile_to_dag(src, "test.v3");
-}
-
-#[test]
-fn test_3a3_if_predicate_narrows_then_arm_discharge() {
-    // Acceptance (DB-11): inside the `then` arm of an `if` whose
-    // condition is a predicate on a scope-bound parameter, the
-    // parameter is narrowed to a refined type carrying that predicate.
-    // Forwarding the narrowed port to a callee expecting the same
-    // refinement discharges structurally — no guard call is needed.
-    //
-    // `caller(n, d)` calls `div(n, d)` only inside `if d != 0`; the
-    // narrowing makes `d`'s port type `Int where d != 0` inside the
-    // then arm, matching `div`'s expected refinement.
-    let src = "fn div(n: Int, d: Int where d != 0) -> Int = n\n\
-               fn caller(n: Int, d: Int) -> Int = \
-                 if d != 0 then div(n, d) else 0";
-    let _ = cached_compile_to_dag(src, "test.v3");
-}
-
-#[test]
-fn test_3a3_narrowed_already_refined_param_preserves_outer_refinement() {
-    // Acceptance (DB-11): narrowing an already-refined parameter must
-    // not drop the outer refinement. Narrowing creates a declaration
-    // that aliases the outer refined decl via
-    // `Atom(ResolvedIdentifier(outer))`; the outer decl still carries
-    // its own refinement. Discharge walks the alias chain so ANY level's
-    // refinement can satisfy the callee — including the outer one.
-    //
-    // `caller(d: Int where d != 0)` is narrowed inside the `if` arm
-    // with the operator-shaped predicate `d > 10`, then forwarded to
-    // `div(d: Int where d != 0)`. The narrowed decl's own refinement
-    // is `d > 10` (does NOT walk-equal to `d != 0`); the alias chain
-    // reaches the outer `d != 0`, which does.
-    //
-    // Operator-shaped narrow predicates are the common surface shape
-    // that `narrowable_var_name` recognizes. Making this path honest
-    // requires `resolve_operator_arrow` to strip refinements from
-    // operand positions — otherwise the literal `10` would be typed
-    // as `Int where d != 0` (the mirrored lhs carrier) and fail
-    // discharge before narrowing ever runs. See
-    // `infer::strip_refinement_to_base` (also used by emit carrier lookup).
-    let src = "fn div(n: Int, d: Int where d != 0) -> Int = n\n\
-               fn caller(n: Int, d: Int where d != 0) -> Int = \
-                 if d > 10 then div(n, d) else 0";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "operator-shaped narrow predicate on an already-refined param \
-         must compile: stripped operator operands let lowering succeed, \
-         and the alias-chain walk rediscovers the outer `d != 0` to \
-         discharge the callee's `d != 0`",
-    );
-}
-
-#[test]
-fn test_3a3_if_without_narrowing_rejects_forwarded_unrefined() {
-    // Counterpart to the narrowing test: if the caller does NOT guard
-    // the call with a matching predicate, the forwarded `d` carries no
-    // refinement and the discharge check fails.
-    let src = "fn div(n: Int, d: Int where d != 0) -> Int = n\n\
-               fn caller(n: Int, d: Int) -> Int = div(n, d)";
-    let err = compile_to_dag(src, "test.v3")
-        .expect_err("unrefined `d` forwarded to a refined-parameter callee must fail discharge");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected Semantic error, got {err:?}");
-    };
-    let joined = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect::<Vec<_>>()
-        .join("\n");
-    assert!(
-        joined.contains("refinement"),
-        "diagnostic must name refinement failure; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a3_callable_predicate_structural_identity_across_sites() {
-    // Acceptance (DB-11): two syntactically identical calls to the
-    // same generic predicate from different refinement contexts must
-    // discharge each other. Call lowering materializes a fresh
-    // `Instantiation` declaration per call-site when the callee has
-    // retained template arguments (see
-    // `retained_template_arguments_for_target` in `lower.rs`) — so
-    // `Callable(DeclarationId)` nominal identity is per-site, not
-    // per-callee. Structural comparison via template + substituted
-    // arguments (`declaration_shapes_equivalent`) is the true
-    // identity; without it, the two `where always_false(d, 0)` sites
-    // below have differently-identified Callable targets even though
-    // they call the same generic with the same inferred type
-    // argument (T = Int), and forwarding `a(d)` from `b`'s body fails
-    // discharge on nominal id mismatch.
-    let src = "fn always_false<T>(x: T, y: T) -> Bool = 0 == 1\n\
-               fn a(d: Int where always_false(d, 0)) -> Int = d\n\
-               fn b(d: Int where always_false(d, 0)) -> Int = a(d)";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "two identical calls to the same generic predicate from \
-         different refinement sites must discharge structurally, \
-         regardless of per-site Instantiation id",
-    );
-}
-
-#[test]
-fn test_3a3_logical_and_in_refinement_parses_and_lowers() {
-    // Acceptance (DB-11): `where <lhs> && <rhs>` — the `&&` /
-    // `||` logical primitives land so composite refinement bodies
-    // and narrowing-over-narrowing can be represented canonically.
-    // Bool-monomorphic: inputs and output are always Bool,
-    // independent of `lhs_type`.
-    //
-    // The composite-canonical refactor that makes structural
-    // discharge accept a sub-conjunct of actual's predicate is a
-    // separate concern; this test only locks that the primitive
-    // parses, lowers to `TransformTarget::Operator(Logical(And))`,
-    // and type-checks.
-    let src = "fn in_range(d: Int where d > 0 && d < 10) -> Int = d";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "`where d > 0 && d < 10` must compile — logical conjunction \
-         must parse, infer Bool-Bool-Bool, and lower to a \
-         Logical(And) Transform",
-    );
-}
-
-#[test]
-fn test_3a3_logical_or_in_refinement_parses_and_lowers() {
-    // Acceptance (DB-11): counterpart to the `&&` test — `||`
-    // lands in the same round and with the same semantics.
-    let src = "fn out_of_range(d: Int where d < 0 || d > 100) -> Int = d";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "`where d < 0 || d > 100` must compile — logical disjunction \
-         must parse, infer Bool-Bool-Bool, and lower to a \
-         Logical(Or) Transform",
-    );
-}
-
-#[test]
-fn test_3a3_logical_operator_rejects_non_bool_operand() {
-    // Acceptance (DB-11): `&&` is Bool-monomorphic. An Int operand
-    // must surface as a type mismatch on the Bool input slot, not
-    // silently propagate through as the Arithmetic / Comparison
-    // fallback does with `lhs_type`. Counterexample lock for the
-    // Logical arm of `resolve_operator_arrow`'s primitive fallback.
-    let src = "fn f(d: Int) -> Bool = d && d";
-    let err = compile_to_dag(src, "test.v3")
-        .expect_err("`Int && Int` must fail: `&&` operands must be Bool");
-    let msg = format!("{err:?}");
-    assert!(
-        msg.to_lowercase().contains("type")
-            || msg.to_lowercase().contains("mismatch")
-            || msg.to_lowercase().contains("bool"),
-        "diagnostic must name the type mismatch or Bool expectation; got: {msg}"
-    );
-}
-
-#[test]
-fn test_3a3_conjunction_discharge_ignores_grouping() {
-    // Acceptance (DB-11): conjunction is a logical fact, not a
-    // syntax tree. `a && (b && c)` and `(a && b) && c` represent
-    // the same fact and must discharge symmetrically. Regression
-    // lock against the substrate-level grouping blocker called out
-    // by the ChatGPT review on `31a3709d`.
-    //
-    // Narrowing naturally produces right-associated composites
-    // because `build_narrowed_refinement` wraps `outer && new_cond`:
-    // when the narrowing cond is itself a composite `b && c` (left-
-    // associated by the parser), the final composite is
-    // `outer && (b && c)` — structurally distinct from the callee's
-    // left-associated `outer && b`.
-    //
-    // Caller outer: `a` (= d != 0). Narrowing cond: `b && c`
-    // (= d > 0 && d < 100). Narrowed composite body:
-    // `a && (b && c)`. Callee expected: `a && b`. Pre-flatten the
-    // root-conjunct-only walk couldn't find `a && b` as a subtree
-    // of `a && (b && c)` and rejected the program. Post-flatten,
-    // both sides reduce to conjunct multisets (actual: {a, b, c};
-    // expected: {a, b}) and the subset check discharges.
-    let src = "fn takes_ab(d: Int where d != 0 && d > 0) -> Int = d\n\
-               fn caller(n: Int, d: Int where d != 0) -> Int = \
-                 if d > 0 && d < 100 then takes_ab(d) else 0";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "narrowing-produced right-associated composite `a && (b && c)` \
-         must discharge callee's `a && b` — flatten-and-subset \
-         normalizes conjunction independently of guard grouping",
-    );
-}
-
-#[test]
-fn test_3a3_refinement_references_top_level_data_constant() {
-    // Acceptance (DB-11): a `where` predicate that references a
-    // top-level `data` declaration must resolve cleanly. Regression
-    // lock against seed-phase ordering: `seed_function_signatures_phase`
-    // runs before the data pre-pass populates `data` declarations'
-    // connectives and `value_body`s. If parameter refinement lowering
-    // happens at seed time, references to `THRESHOLD` inside the
-    // predicate would resolve against a placeholder declaration and
-    // mark unresolved even though `THRESHOLD` is a valid Int constant.
-    //
-    // The fix splits refinement lowering into its own dedicated
-    // phase (`lower_parameter_refinements_phase`) that runs AFTER
-    // the data pre-pass. Sole caller of `lower_parameter_refinement`
-    // for parameter `where` clauses — single-construction-authority
-    // invariant preserved.
-    let src = "data THRESHOLD: Int = 10\n\
-               fn big(d: Int where d > THRESHOLD) -> Int = d";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "a `where` predicate that references a top-level `data` \
-         constant must compile — refinement lowering runs after the \
-         data pre-pass",
-    );
-}
-
-#[test]
-fn test_3a3_rejects_out_of_fragment_refinement_predicate() {
-    // Acceptance (DB-11): the discharge walker and composite-
-    // narrowing clone path only model `Value` / `Transform` predicate
-    // bodies. `where` predicates that lower through `Branch` / `Loop` /
-    // `Bind` are admitted by lowering but cannot be compared or cloned
-    // downstream — pre-fix they failed silently at discharge as
-    // generic "not equal" diagnostics, never at the actual boundary.
-    //
-    // Lowering now fail-closes at the refinement phase with an
-    // explicit "unsupported shape" diagnostic naming the out-of-
-    // fragment construct. Reviewer R6 (`df5fc7b3` codex review)
-    // called this out as a BLOCKING fail-closed violation — admitted
-    // surface > supported fragment without an honest boundary
-    // diagnostic.
-    let src = "fn f(d: Int where if d > 0 then d != 0 else d > 1) -> Int = d";
-    let err = compile_to_dag(src, "test.v3")
-        .expect_err("`where if cond then ... else ...` must be rejected at lowering");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected Semantic error, got {err:?}");
-    };
-    let joined = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect::<Vec<_>>()
-        .join("\n");
-    assert!(
-        joined.to_lowercase().contains("not supported")
-            || joined.to_lowercase().contains("unsupported")
-            || joined.contains("`if`"),
-        "diagnostic must name the unsupported refinement shape; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a3_substrate_integrity_behavior_still_five_variants() {
-    // Acceptance (DB-11 §Acceptance): "Substrate integrity:
-    // Declaration.refinement is the only new edge. type Behavior
-    // remains at five variants." Compile a refined-parameter fn and
-    // verify the DAG contains no unexpected Behavior variant — the
-    // predicate sub-DAG is built from Value/Transform/Bind, all
-    // pre-existing variants.
-    let src = "import std.error_primitives { DivError, Result }\n\
-fn div(n: Int, d: Int where d != 0) -> Result<Int, DivError> = n / d";
-    let dag = cached_compile_to_dag(src, "test.v3");
-    for node in dag.nodes() {
-        match node {
-            v3_compiler::dag::Behavior::Value(_)
-            | v3_compiler::dag::Behavior::Transform(_)
-            | v3_compiler::dag::Behavior::Branch(_)
-            | v3_compiler::dag::Behavior::Loop(_)
-            | v3_compiler::dag::Behavior::Bind(_) => {}
-        }
-    }
-    // If a sixth variant existed the match above would not compile;
-    // this test locks in the five-variant substrate while DB-11 is
-    // consumed.
-}
-
-// =================================================================
-// 3a.3 closure — DB-16 refined-generic substitution (test_3a4_*)
-// =================================================================
-
-#[test]
-fn test_3a4_refined_generic_discharges_across_substitution() {
-    // Acceptance (DB-16): the core case. A generic function with a
-    // refined parameter `fn gate<T>(x: T where p(x))` called with a
-    // refined `Int` argument discharges — the phase materializes a
-    // substituted-refined-Int carrier; signature_type_shape's lookup
-    // returns it; discharge sees two concrete-refined carriers on
-    // both sides and runs the DB-11 flatten-and-subset walk unchanged.
-    // Uses a generic helper `always_true<T>(x: T) -> Bool` so the
-    // predicate type-checks for both abstract T and concrete Int.
-    let src = "fn always_true<T>(x: T) -> Bool = 0 == 0\n\
-               fn gate<T>(x: T where always_true(x)) -> T = x\n\
-               fn caller(n: Int where always_true(n)) -> Int = gate(n)";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "refined generic gate<T>(x: T where p(x)) called with n: Int where p(n) must discharge \
-         — DB-16's substituted-refined carrier should match the caller's concrete-refined carrier",
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_distinct_refinement_rejects() {
-    // Acceptance (DB-16): no-entailment preserved under substitution.
-    // Distinct predicate bodies must not discharge, even when the
-    // substituted base and callable identity both pass.
-    let src = "fn always_true<T>(x: T) -> Bool = 0 == 0\n\
-               fn always_false<T>(x: T) -> Bool = 0 == 1\n\
-               fn gate<T>(x: T where always_true(x)) -> T = x\n\
-               fn caller(n: Int where always_false(n)) -> Int = gate(n)";
-    let err = compile_to_dag(src, "test.v3").expect_err(
-        "distinct predicates (`always_true` vs `always_false`) must not discharge under substitution",
-    );
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected Semantic error, got {err:?}");
-    };
-    let joined = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect::<Vec<_>>()
-        .join("\n");
-    assert!(
-        joined.contains("refinement"),
-        "diagnostic must name refinement failure; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_identity_across_instantiation_sites() {
-    // Acceptance (DB-16): two distinct call sites of the same refined
-    // generic with matching concrete arguments must not just compile
-    // — they must structurally share the canonical materialized
-    // carrier via dedup. Without dedup, each site would allocate a
-    // fresh substituted-refined-Int carrier, inflating the DAG with
-    // parallel-representation debt. With dedup, both sites resolve
-    // (via `find_equivalent_substituted_refined_decl`) to one of the
-    // existing caller-authored refined-Int carriers; no new carrier
-    // is allocated at materialization time.
-    //
-    // Lock the invariant structurally: count anonymous refined-Int
-    // declarations after compile. Expected: 2 (one per caller's own
-    // `where` clause); dedup failure would produce 3+ (adding
-    // materialize-allocated duplicates). This directly checks the
-    // substrate-hygiene claim from the design's D7 section.
-    let src = "fn always_true<T>(x: T) -> Bool = 0 == 0\n\
-               fn gate<T>(x: T where always_true(x)) -> T = x\n\
-               fn one(n: Int where always_true(n)) -> Int = gate(n)\n\
-               fn two(m: Int where always_true(m)) -> Int = gate(m)";
-    let dag = compile_to_dag(src, "test.v3").expect(
-        "two distinct call sites of a refined generic with matching concrete refinements \
-         must both discharge symmetrically",
-    );
-    let int_id = dag
-        .declaration_by_name("Int")
-        .expect("Int must be declared")
-        .id;
-    let anon_refined_int_count = dag
-        .declarations()
-        .iter()
-        .filter(|decl| {
-            if decl.name.is_some() || decl.refinement.is_none() {
-                return false;
-            }
-            matches!(
-                decl.connective,
-                v3_compiler::dag::TypeConnective::Atom(
-                    v3_compiler::dag::AtomPayload::ResolvedByStructure(b)
-                    | v3_compiler::dag::AtomPayload::ResolvedByName(b)
-                ) if b == int_id
-            )
-        })
-        .count();
-    assert_eq!(
-        anon_refined_int_count, 2,
-        "expected exactly 2 anonymous refined-Int carriers (one per caller's \
-         own `where` clause); DB-16 materialization must dedup to those, not \
-         allocate fresh duplicates. Got {anon_refined_int_count} — dedup has regressed."
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_literal_arg_rejects() {
-    // Acceptance (DB-16): an unrefined literal argument against a
-    // refined-generic parameter must fail discharge. Substitution
-    // produces the callee's expected concrete-refined shape; the
-    // caller's literal port has no refinement; DB-11's
-    // `check_refinement_discharge` rejects with "no narrowing branch
-    // in scope."
-    let src = "fn always_true<T>(x: T) -> Bool = 0 == 0\n\
-               fn gate<T>(x: T where always_true(x)) -> T = x\n\
-               fn bad() -> Int = gate(0)";
-    let err = compile_to_dag(src, "test.v3").expect_err(
-        "refined generic called with a literal 0 must fail — the literal has no refinement",
-    );
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected Semantic error, got {err:?}");
-    };
-    let joined = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect::<Vec<_>>()
-        .join("\n");
-    assert!(
-        joined.contains("refinement") || joined.contains("no narrowing"),
-        "diagnostic must name refinement failure or missing narrowing; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_composite_discharges() {
-    // Acceptance (DB-16): conjunction interaction. A refined generic
-    // with a composite `where a && b` predicate called with a
-    // concrete argument carrying the same composite discharges —
-    // flatten-and-subset (DB-11) operates on the cloned body unchanged.
-    let src = "fn always_true<T>(x: T) -> Bool = 0 == 0\n\
-               fn also_true<T>(x: T) -> Bool = 1 == 1\n\
-               fn gate<T>(x: T where always_true(x) && also_true(x)) -> T = x\n\
-               fn caller(n: Int where always_true(n) && also_true(n)) -> Int = gate(n)";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "composite refined generic + matching composite caller must discharge \
-         — DB-11's flatten-and-subset walk runs unchanged on the substituted carrier",
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_narrowing_composite_discharges() {
-    // Acceptance (DB-16 × DB-11 narrowing): narrowing and substitution
-    // compose. A refined generic with a composite `where pred_a(x) && pred_b(x)`
-    // predicate called from inside an `if pred_b(n)` arm that narrows
-    // a caller's concrete `pred_a(n)` argument must discharge: DB-11's
-    // arm-local narrowing builds the composite `pred_a && pred_b` on
-    // the caller's refined port; DB-16's materialization produces the
-    // substituted-refined carrier with the same composite; flatten-
-    // and-subset discharge (DB-11) runs unchanged over the shared
-    // substrate. Cross-product of the two feature classes; if
-    // narrowing and substitution compose as designed, this just works;
-    // if they don't, the bug surfaces now rather than at a future
-    // consumer.
-    // `pred_b` takes two args because DB-11's `narrowable_var_name`
-    // (`lower.rs`) only recognizes 2-argument `Operator`/`Call`
-    // conds as narrowing-eligible. Both args are `n` so the cond has
-    // exactly one scope-bound free variable — DB-11 narrows.
-    let src = "fn pred_a<T>(x: T) -> Bool = 0 == 0\n\
-               fn pred_b<T>(x: T, y: T) -> Bool = 0 == 0\n\
-               fn requires_both<T>(x: T where pred_a(x) && pred_b(x, x)) -> T = x\n\
-               fn caller(n: Int where pred_a(n)) -> Int = \
-                 if pred_b(n, n) then requires_both(n) else n";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "narrowing + substitution composition must discharge: the narrowed \
-         `pred_a && pred_b` refinement on the caller's port structurally \
-         matches the callee's substituted-refined carrier with the same \
-         composite, under DB-11's flatten-and-subset walk",
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_callable_in_predicate_discharges() {
-    // Acceptance (DB-16, R2 Transform-target substitution): a refined
-    // generic whose predicate body contains a generic-callable target
-    // must discharge against a caller whose body uses the same
-    // callable concretely. Without D2's Callable-target substitution,
-    // the cloned body's Callable(Instantiation{args: [T -> S]})
-    // would mismatch the caller's Callable(Instantiation{args: [T -> Int]})
-    // at declaration_shapes_equivalent's atom-to-atom bottom, and
-    // discharge would silently fail.
-    let src = "fn always_false<T>(x: T, y: T) -> Bool = 0 == 1\n\
-               fn gate<S>(d: S where always_false(d, d)) -> S = d\n\
-               fn caller(n: Int where always_false(n, n)) -> Int = gate(n)";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "refined generic with generic-callable predicate + concrete-call caller must discharge \
-         — DB-16's Transform-target substitution rewrites T -> Int in the cloned body",
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_callable_in_predicate_distinct_template_rejects() {
-    // Acceptance (DB-16): negative counterpart to #9 above. When the
-    // caller uses a DIFFERENT generic helper in its refinement, the
-    // callable-target identity differs — substitution does not
-    // conflate distinct callables. Confirms no-entailment preserved
-    // across Transform-target substitution.
-    let src = "fn always_false<T>(x: T, y: T) -> Bool = 0 == 1\n\
-               fn always_true<T>(x: T, y: T) -> Bool = 0 == 0\n\
-               fn gate<S>(d: S where always_false(d, d)) -> S = d\n\
-               fn caller(n: Int where always_true(n, n)) -> Int = gate(n)";
-    let err = compile_to_dag(src, "test.v3").expect_err(
-        "callable identity must not be conflated across substitution — \
-         `always_false` is not `always_true`",
-    );
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected Semantic error, got {err:?}");
-    };
-    let joined = dag
-        .diagnostics()
-        .iter()
-        .map(|(_, d)| format!("{d:?}"))
-        .collect::<Vec<_>>()
-        .join("\n");
-    assert!(
-        joined.contains("refinement"),
-        "diagnostic must name refinement failure; got:\n{joined}"
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_field_project_in_predicate_discharges() {
-    // Acceptance (DB-16, R2.2 FieldProject-target substitution): a
-    // refined generic whose predicate projects a field on a generic
-    // record must discharge against a caller using the same
-    // projection concretely. Tag-over-Int keeps the operator arm
-    // concrete; the FieldProject's `field_child` is the
-    // substitution-bearing slot.
-    let src = "type Box<element> { inner: element, tag: Int }\n\
-               fn gate<T>(x: Box<T> where x.tag != 0) -> Box<T> = x\n\
-               fn caller(b: Box<Int> where b.tag != 0) -> Box<Int> = gate(b)";
-    let _ = compile_to_dag(src, "test.v3").expect(
-        "refined generic with FieldProject predicate on a generic record must discharge \
-         — DB-16's FieldProject.field_child substitution rewrites Box<T> -> Box<Int>",
-    );
-}
-
-#[test]
-fn test_3a4_refined_generic_substrate_integrity_behavior_still_five_variants() {
-    // Acceptance (DB-16 substrate lock-in): materialization and
-    // lookup add no new Behavior variant. The substituted-refined
-    // carrier is an existing-shape Declaration; its predicate body
-    // is cloned via the same Value/Transform/Bind substrate DB-11
-    // uses.
-    let src = "fn always_true<T>(x: T) -> Bool = 0 == 0\n\
-               fn gate<T>(x: T where always_true(x)) -> T = x\n\
-               fn caller(n: Int where always_true(n)) -> Int = gate(n)";
-    let dag = cached_compile_to_dag(src, "test.v3");
-    for node in dag.nodes() {
-        match node {
-            v3_compiler::dag::Behavior::Value(_)
-            | v3_compiler::dag::Behavior::Transform(_)
-            | v3_compiler::dag::Behavior::Branch(_)
-            | v3_compiler::dag::Behavior::Loop(_)
-            | v3_compiler::dag::Behavior::Bind(_) => {}
-        }
-    }
-    // If a sixth variant existed the match above would not compile;
-    // this test locks in the five-variant substrate while DB-16 is
-    // consumed.
-}
-
-// =================================================================
-// 3a.1 — Mutual recursion (TODO: unimplemented)
-// =================================================================
diff --git a/src/v3/compiler/tests/integration/m2_field_access_binding_test.rs b/src/v3/compiler/tests/integration/m2_field_access_binding_test.rs
deleted file mode 100644
index 26b2e28ba8f..00000000000
--- a/src/v3/compiler/tests/integration/m2_field_access_binding_test.rs
+++ /dev/null
@@ -1,252 +0,0 @@
-use std::collections::HashMap;
-
-use v3_compiler::dag::{FieldValue, TypeConnective, ValueBody};
-use v3_compiler::Dag;
-
-fn find_named(dag: &Dag, name: &str) -> v3_compiler::dag::DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("declaration `{name}` not found"))
-        .id
-}
-
-fn type_realization_fields_for(
-    dag: &Dag,
-    target_name: &str,
-) -> HashMap<String, (String, String, bool)> {
-    let type_realization_meta = find_named(dag, "TypeRealization");
-    let target = find_named(dag, target_name);
-    let realization = dag
-        .declarations()
-        .iter()
-        .find(|decl| {
-            decl.name
-                .as_deref()
-                .is_some_and(|name| name.starts_with("rust_"))
-                && decl.meta_tag == Some(type_realization_meta)
-                && matches!(
-                    &decl.value_body,
-                    Some(ValueBody::Structural { fields })
-                        if matches!(
-                            fields.iter().find(|(label, _)| label == "target").map(|(_, value)| value),
-                            Some(FieldValue::Reference(id)) if *id == target
-                        )
-                )
-        })
-        .unwrap_or_else(|| panic!("TypeRealization for `{target_name}` not found"));
-    let ValueBody::Structural { fields } = realization.value_body.as_ref().expect("value body")
-    else {
-        unreachable!()
-    };
-    let list = fields
-        .iter()
-        .find(|(label, _)| label == "fields")
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("TypeRealization `{target_name}` missing `fields` entry"));
-    let FieldValue::List(entries) = list else {
-        panic!("TypeRealization `{target_name}` `fields` entry must be a list");
-    };
-
-    let mut out = HashMap::new();
-    for entry in entries {
-        let FieldValue::Record(fields) = entry else {
-            panic!("FieldBinding entry must be a record");
-        };
-        let dag_name = fields
-            .iter()
-            .find(|(label, _)| label == "dag_name")
-            .and_then(|(_, value)| match value {
-                FieldValue::Literal(v3_compiler::dag::LiteralBits::String(s)) => Some(s.clone()),
-                _ => None,
-            })
-            .expect("FieldBinding.dag_name string");
-        let access = fields
-            .iter()
-            .find(|(label, _)| label == "access")
-            .map(|(_, value)| value)
-            .expect("FieldBinding.access");
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = access
-        else {
-            panic!("FieldBinding.access must be a FieldAccess variant");
-        };
-        let borrowed_read = fields
-            .iter()
-            .find(|(label, _)| label == "borrowed_read")
-            .and_then(|(_, value)| match value {
-                FieldValue::Literal(v3_compiler::dag::LiteralBits::Bool(value)) => Some(*value),
-                _ => None,
-            })
-            .unwrap_or(false);
-        let [FieldValue::Literal(v3_compiler::dag::LiteralBits::String(name))] = &payload[..]
-        else {
-            panic!("FieldAccess payload must be a single String literal");
-        };
-        out.insert(
-            dag_name,
-            (
-                variant_label(dag, *constructor),
-                name.clone(),
-                borrowed_read,
-            ),
-        );
-    }
-    out
-}
-
-fn variant_label(dag: &Dag, variant_id: v3_compiler::dag::DeclarationId) -> String {
-    dag.declarations()
-        .iter()
-        .find_map(|decl| match &decl.connective {
-            TypeConnective::Disj { variants } => variants
-                .iter()
-                .find(|variant| variant.ty == variant_id)
-                .map(|variant| variant.label.clone()),
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "variant declaration {:?} not found under any reflected sum",
-                variant_id
-            )
-        })
-}
-
-fn declared_record_fields(dag: &Dag, type_name: &str) -> Vec<String> {
-    let id = find_named(dag, type_name);
-    match &dag.declaration(id).connective {
-        TypeConnective::Conj { children } => {
-            children.iter().map(|field| field.label.clone()).collect()
-        }
-        other => panic!("expected `{type_name}` to be a Conj, got {other:?}"),
-    }
-}
-
-#[test]
-fn every_realized_reflection_record_field_has_a_binding() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load rust.dag cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    for type_name in [
-        "FieldEntry",
-        "TypeShape",
-        "DagPort",
-        "SourceSpan",
-        "Dag",
-        "Declaration",
-        "TemplateArgument",
-        "PayloadBinding",
-        "BranchPath",
-        "NonEmptyList",
-        "NonSingletonList",
-        "ElementRef",
-        "ParamRef",
-        "TransformRef",
-        "MemberDescent",
-        "IntraClusterCall",
-        "Cluster",
-        "ValueNode",
-        "TransformNode",
-        "BranchNode",
-        "LoopNode",
-        "BindNode",
-    ] {
-        let declared = declared_record_fields(&dag, type_name);
-        let realized = type_realization_fields_for(&dag, type_name);
-        for field in declared {
-            assert!(
-                realized.contains_key(&field),
-                "TypeRealization `{type_name}` is missing a FieldBinding for `{field}`"
-            );
-        }
-    }
-}
-
-#[test]
-fn alias_bindings_cover_method_backed_fields() {
-    let dag = Dag::new();
-    let dag_fields = type_realization_fields_for(&dag, "Dag");
-    assert_eq!(
-        dag_fields.get("nodes"),
-        Some(&(String::from("AccessorMethod"), String::from("nodes"), true))
-    );
-    assert_eq!(
-        dag_fields.get("declarations"),
-        Some(&(
-            String::from("AccessorMethod"),
-            String::from("declarations"),
-            true
-        ))
-    );
-    assert_eq!(
-        dag_fields.get("ports"),
-        Some(&(String::from("AccessorMethod"), String::from("ports"), false))
-    );
-    assert_eq!(
-        dag_fields.get("clusters"),
-        Some(&(
-            String::from("AccessorMethod"),
-            String::from("clusters"),
-            true
-        ))
-    );
-
-    let entry_fields = type_realization_fields_for(&dag, "FieldEntry");
-    assert_eq!(
-        entry_fields.get("label"),
-        Some(&(String::from("DirectField"), String::from("0"), false))
-    );
-    assert_eq!(
-        entry_fields.get("value"),
-        Some(&(String::from("DirectField"), String::from("1"), false))
-    );
-
-    let bind_fields = type_realization_fields_for(&dag, "BindNode");
-    assert_eq!(
-        bind_fields.get("result_port"),
-        Some(&(
-            String::from("AccessorMethod"),
-            String::from("result_port"),
-            false
-        ))
-    );
-
-    let value_fields = type_realization_fields_for(&dag, "ValueNode");
-    assert_eq!(
-        value_fields.get("payload"),
-        Some(&(String::from("DirectField"), String::from("data"), false))
-    );
-
-    let span_fields = type_realization_fields_for(&dag, "SourceSpan");
-    assert_eq!(
-        span_fields.get("start"),
-        Some(&(
-            String::from("DirectField"),
-            String::from("byte_start"),
-            false
-        ))
-    );
-    assert_eq!(
-        span_fields.get("end"),
-        Some(&(String::from("DirectField"), String::from("byte_end"), false))
-    );
-
-    let port_fields = type_realization_fields_for(&dag, "DagPort");
-    assert_eq!(
-        port_fields.get("id"),
-        Some(&(String::from("AccessorMethod"), String::from("id"), false))
-    );
-    assert_eq!(
-        port_fields.get("state"),
-        Some(&(
-            String::from("AccessorMethod"),
-            String::from("state_value"),
-            false
-        ))
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m2_lens_cost_migration_test.rs b/src/v3/compiler/tests/integration/m2_lens_cost_migration_test.rs
deleted file mode 100644
index 1f0bc40e20a..00000000000
--- a/src/v3/compiler/tests/integration/m2_lens_cost_migration_test.rs
+++ /dev/null
@@ -1,262 +0,0 @@
-//! **Layer:** boundary-adjacent integration — emitted Rust lens linked via rustc.
-//!
-//! Lens-semantic coverage (Value/Transform/Branch/Loop/Bind, seeded
-//! bind-param costs) lives as in-crate unit tests under
-//! `src/v3/compiler/src/lib.rs::lens_cost::tests`, where the
-//! `pub(crate)` Dag builder is reachable. This suite is the
-//! cross-process receipt: it verifies that the `.dag` authority
-//! compiles cleanly, that the checked-in generated module is byte-for-byte in sync
-//! with what `emit_rust_module(complexity.dag)` produces, and
-//! that the emitted module links and runs end-to-end via rustc on one
-//! representative fixture.
-
-use std::io::Write;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit_rust::emit_rust_module;
-
-use crate::common::{HarnessLinkMode, RustcHarness};
-
-static HARNESS: OnceLock<RustcHarness> = OnceLock::new();
-fn harness() -> &'static RustcHarness {
-    HARNESS.get_or_init(|| RustcHarness::new("cost_lens_migration"))
-}
-
-const GENERATED_LENS_HEADER: &str = "// AUTO-GENERATED from `src/v3/lenses/complexity.dag` via\n\
-     // `emit_rust_module`. Regenerate instead of hand-editing.\n\n";
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("complexity.dag")
-}
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read complexity.dag")
-}
-
-fn emit_lens_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compiled complexity.dag");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "complexity.dag should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit compiled lens module");
-    format_rust_source(&format!("{GENERATED_LENS_HEADER}{raw}"))
-}
-
-fn checked_in_generated_module() -> &'static str {
-    include_str!("../../src/complexity_lens_generated.rs")
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed on emitted lens module"
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-/// Compile the cost-lens roundtrip harness exactly once per test run.
-/// The emitted module is embedded and `main` reads `program_source`,
-/// `file_name`, and `bind_name` from argv, so each fixture re-run is a
-/// single process spawn instead of a fresh `rustc` invocation.
-fn build_roundtrip_harness(module_source: &str) -> PathBuf {
-    let wrapped = format!(
-        "#[allow(warnings, clippy::all)] \
-         mod emitted {{ use v3_compiler::dag::*; use v3_compiler::diagnostics::*; \
-         use v3_compiler::complexity_lattice::complexity_enforcement_budget_dominates as asymptotic_dominates; \
-         use v3_compiler::Witness; \
-         use v3_compiler::lens_t_las_carrier::{{EnforceableLens, Lens, LensEnforcement, Monoid, OptionalDiagnostic}}; \
-         {module_source} }} \
-         fn main() {{ \
-           let mut __args = std::env::args(); __args.next(); \
-           let program_source = __args.next().expect(\"program_source arg\"); \
-           let file_name = __args.next().expect(\"file_name arg\"); \
-           let bind_name = __args.next().expect(\"bind_name arg\"); \
-           let dag = v3_compiler::compile_to_dag(&program_source, &file_name).expect(\"compiles\"); \
-           let bind = dag.nodes().iter().find_map(|node| match node {{ \
-             v3_compiler::dag::Behavior::Bind(bind) if bind.name == bind_name => Some(bind.clone()), \
-             _ => None \
-           }}).expect(\"bind\"); \
-           match emitted::complexity_of(&dag, &bind.value) {{ \
-             v3_compiler::dag::Lookup::Hit(summary) => {{ \
-               let positive_work = match &summary.work {{ \
-                 v3_compiler::dag::SymbolicCost::ConstantCost {{ _0 }} => *_0 > 0, \
-                 _ => true, \
-               }}; \
-               println!(\"{{}}\", positive_work); \
-             }} \
-             v3_compiler::dag::Lookup::Miss => panic!(\"complexity lens returned Miss for bind `{{}}` — malformed DAG\", bind.name), \
-           }} \
-         }}"
-    );
-    harness().compile(&wrapped, "main_bin", HarnessLinkMode::WithV3Compiler)
-}
-
-fn roundtrip_positive_work(
-    bin_path: &Path,
-    program_source: &str,
-    file_name: &str,
-    bind_name: &str,
-) -> bool {
-    let run = Command::new(bin_path)
-        .arg(program_source)
-        .arg(file_name)
-        .arg(bind_name)
-        .output()
-        .expect("run compiled binary");
-    assert!(
-        run.status.success(),
-        "compiled binary failed: {}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-    String::from_utf8_lossy(&run.stdout)
-        .trim()
-        .parse()
-        .expect("printed positive-work flag should be bool")
-}
-
-#[test]
-fn complexity_dag_compiles_cleanly() {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("complexity.dag should compile cleanly");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "complexity.dag should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-/// Inbox #1130 / #1139 — STOP ratchet: production `complexity.dag` must not ship
-/// iterate-shaped migration names; no L-8-violating emitted primitive helpers.
-///
-/// Gate #92 — `data complexity_lens` must wire **read** to `complexity_of` and
-/// **monoid/branch/iterate** to the same `compose_*` spine as `compute_summaries`
-/// (see `complexity.dag`). **Enforcement** (`project` / `violates`) stays substrate
-/// authority; execution is via `complexity_lens_generated` +
-/// `v3_compiler::complexity_lattice::complexity_enforcement_budget_dominates` (aliased
-/// as `asymptotic_dominates` inside the emitted module).
-#[test]
-fn complexity_lens_migration_stop_surface_ratchet() {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("complexity.dag should compile cleanly");
-    assert!(
-        dag.declaration_by_name("complexity_lens_read_stub")
-            .is_none(),
-        "`complexity_lens_read_stub` retired: read must delegate to `complexity_of`"
-    );
-    assert!(
-        dag.declaration_by_name("complexity_lens_monoid_op_stub")
-            .is_none(),
-        "`complexity_lens_monoid_op_stub` retired: monoid op must be \
-         `complexity_lens_sequential_op` / `compose_summary_sequential` so \
-         `op(a, identity) == a` (std.algebra monoid witness)"
-    );
-    assert!(
-        dag.declaration_by_name("complexity_lens_sequential_op")
-            .is_some(),
-        "expected `complexity_lens_sequential_op` as Lens monoid op (compose spine)"
-    );
-    for retired_stub in [
-        "complexity_lens_branch_stub",
-        "complexity_lens_iterate_stub",
-        "complexity_lens_validate_stub",
-    ] {
-        assert!(
-            dag.declaration_by_name(retired_stub).is_none(),
-            "`{retired_stub}` retired: branch/iterate/validate must delegate to \
-             compose_summary_branch_pair / compose_summary_iterate / documented \
-             validate hook (gate #92 T-LAS Lens authority)"
-        );
-    }
-    assert!(
-        dag.declaration_by_name("complexity_lens_branch_op")
-            .is_some(),
-        "expected `complexity_lens_branch_op` (compose_summary_branch_pair spine)"
-    );
-    assert!(
-        dag.declaration_by_name("complexity_lens_iterate_op")
-            .is_some(),
-        "expected `complexity_lens_iterate_op` (compose_summary_iterate + LoopBound)"
-    );
-    assert!(
-        dag.declaration_by_name("complexity_lens_read").is_some(),
-        "expected `complexity_lens_read` (authoritative read spine)"
-    );
-    assert!(
-        dag.declaration_by_name("complexity_lens_validate").is_some(),
-        "expected `complexity_lens_validate` (aggregate hook; see substrate limitation notes in complexity.dag)"
-    );
-    assert!(
-        dag.declaration_by_name("complexity_summary_work_class_consistent")
-            .is_some(),
-        "expected `complexity_summary_work_class_consistent` export for fold consumers"
-    );
-    assert!(
-        dag.declaration_by_name("complexity_iterate").is_none(),
-        "`Lens<Int>.iterate` must not ship as `complexity_iterate` until fold_lens owns loop-bound semantics (no LoopBound-ignoring stub)"
-    );
-    for name in [
-        "complexity_behavior_result_port",
-        "complexity_sequential_op",
-        "complexity_branch",
-    ] {
-        assert!(
-            dag.declaration_by_name(name).is_none(),
-            "production `{name}` must not emit primitive-returning Rust on the migrated lens surface (L-8); see STOP comment in complexity.dag"
-        );
-    }
-}
-
-#[test]
-fn complexity_generated_module_matches_checked_in_snapshot() {
-    let fresh = emit_lens_module();
-    let checked = checked_in_generated_module();
-    assert_eq!(
-        fresh, checked,
-        "checked-in complexity lens module must match emit_rust_module(complexity.dag)"
-    );
-}
-
-/// Cross-process receipt: the emitted module links against the
-/// `v3_compiler` crate and runs under rustc on a representative
-/// fixture that exercises Bind-with-params + seeded param costs + a
-/// transform over fold/map/singleton. Deeper behavioral coverage
-/// (Value/Transform/Branch/Loop/Bind/params) is pinned by the
-/// in-crate `lens_cost::tests` unit tests against hand-built Dags.
-#[test]
-fn complexity_dag_runs_end_to_end_via_rustc_harness() {
-    let module = emit_lens_module();
-    let bin_path = build_roundtrip_harness(&module);
-    let positive_work = roundtrip_positive_work(
-        &bin_path,
-        "let total: Int = fold(map(singleton(1), |x| x + 1), 0, |acc, x| acc + x)",
-        "nested_fold.v3",
-        "total",
-    );
-    assert!(
-        positive_work,
-        "nested fold fixture should report positive work"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m2_lens_idempotency_emit_test.rs b/src/v3/compiler/tests/integration/m2_lens_idempotency_emit_test.rs
deleted file mode 100644
index 51e2b565913..00000000000
--- a/src/v3/compiler/tests/integration/m2_lens_idempotency_emit_test.rs
+++ /dev/null
@@ -1,90 +0,0 @@
-//! Stage 2b idempotency lens — emission smoke tests for `lenses/idempotency.dag`.
-//!
-//! **Rust:** `emit_rust_module` must succeed and surface `analyze_workflow` +
-//! `lane2_workflow_effect_at` in the rendered module (the Stage 2b `.dag` lens
-//! is part of the emit contract). **`m2_lens_idempotency_migration_test.rs`**
-//! provides the rustc link-and-run check against `v3_compiler::analyze_workflow`
-//! (crate exports `lane2_workflow_idempotency_report` /
-//! `report_unsupported_workflow_variant` as std.effects mirrors for the emitted
-//! module). Note: emitted `analyze_workflow` takes `&NodeId`; the oracle takes
-//! `NodeId` — the migration test accounts for that at the call site.
-//!
-//! **Go / Python:** module emission succeeds on the same compiled lens DAG (class-5
-//! surface: the lens is not Rust-only).
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit::{
-    emit_go_module_text as emit_go_module, emit_python_module_text as emit_python_module,
-};
-use v3_compiler::emit_rust::emit_rust_module;
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("idempotency.dag")
-}
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read idempotency.dag")
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed: {}",
-        String::from_utf8_lossy(&output.stderr)
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-fn compile_idempotency_lens() -> v3_compiler::Dag {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compile idempotency.dag");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "idempotency.dag should compile cleanly, got {:?}",
-        dag.diagnostics()
-    );
-    dag
-}
-
-#[test]
-fn lens_idempotency_dag_emits_rust_module_with_analyze_workflow_entrypoint() {
-    let dag = compile_idempotency_lens();
-    let raw = emit_rust_module(&dag).expect("emit_rust_module(idempotency.dag)");
-    let formatted = format_rust_source(&raw);
-    assert!(
-        formatted.contains("fn analyze_workflow"),
-        "emitted Rust should declare analyze_workflow; got:\n{formatted}"
-    );
-    assert!(
-        formatted.contains("lane2_workflow_effect_at"),
-        "emitted Rust should call lane2_workflow_effect_at; got:\n{formatted}"
-    );
-}
-
-#[test]
-fn lens_idempotency_dag_emits_go_and_python_modules() {
-    let dag = compile_idempotency_lens();
-    let _go = emit_go_module(&dag).expect("emit_go_module(idempotency.dag)");
-    let _py = emit_python_module(&dag).expect("emit_python_module(idempotency.dag)");
-}
diff --git a/src/v3/compiler/tests/integration/m2_lens_idempotency_migration_test.rs b/src/v3/compiler/tests/integration/m2_lens_idempotency_migration_test.rs
deleted file mode 100644
index 9ac8dcac1ad..00000000000
--- a/src/v3/compiler/tests/integration/m2_lens_idempotency_migration_test.rs
+++ /dev/null
@@ -1,132 +0,0 @@
-//! Stage 2b idempotency lens — rustc round-trip: emitted `analyze_workflow` vs oracle.
-//!
-//! `src/v3/lenses/idempotency.dag` reads `lane2_workflow` through the substrate
-//! accessor (`lane2_workflow_at` → Rust `Dag::lane2_workflow_effect_at` per
-//! `rust_lane2_workflow_accessor` in `rust.dag`). This file links
-//! `emit_rust_module(idempotency.dag)` into a harness and asserts the generated
-//! entrypoint matches [`v3_compiler::analyze_workflow`] — closing the
-//! "binding exists vs consumer path is real" gap for the reflection boundary.
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit_rust::emit_rust_module;
-
-use crate::common::{HarnessLinkMode, RustcHarness};
-
-static HARNESS: OnceLock<RustcHarness> = OnceLock::new();
-fn harness() -> &'static RustcHarness {
-    HARNESS.get_or_init(|| RustcHarness::new("idempotency_lens_migration"))
-}
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("idempotency.dag")
-}
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read idempotency.dag")
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed: {}",
-        String::from_utf8_lossy(&output.stderr)
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-fn emit_idempotency_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compile idempotency.dag");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "idempotency.dag should compile cleanly, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit_rust_module(idempotency.dag)");
-    format_rust_source(&raw)
-}
-
-/// Compile the idempotency-lens roundtrip harness once per test run.
-fn build_roundtrip_harness(module_source: &str) -> PathBuf {
-    let wrapped = format!(
-        "#[allow(warnings, clippy::all)] \
-         mod emitted {{ \
-           use v3_compiler::dag::*; \
-           use v3_compiler::{{lane2_workflow_idempotency_report, report_unsupported_workflow_variant}}; \
-           {module_source} \
-         }} \
-         fn main() {{ \
-           let mut dag = v3_compiler::compile_to_dag(\"let _ = 1\", \"lane2_empty.v3\") \
-             .expect(\"compile fixture\"); \
-           let root = dag.nodes().iter() \
-             .find(|b| matches!(b, v3_compiler::dag::Behavior::Value(_) | v3_compiler::dag::Behavior::Bind(_))) \
-             .expect(\"lane2 root\").id(); \
-           let wf = v3_compiler::dag::WorkflowEffect::LinearEffect {{ ops: vec![] }}; \
-           assert!(dag.try_register_lane2_workflow_effect(root, wf)); \
-           let emitted = emitted::analyze_workflow(&dag, &root); \
-           let oracle = v3_compiler::analyze_workflow(&dag, root); \
-           assert_eq!(emitted, oracle, \"emitted analyze_workflow should match crate oracle\"); \
-           let dag2 = v3_compiler::compile_to_dag(\"let _ = 1\", \"lane2_none.v3\") \
-             .expect(\"compile fixture 2\"); \
-           let root2 = dag2.nodes().iter() \
-             .find(|b| matches!(b, v3_compiler::dag::Behavior::Value(_) | v3_compiler::dag::Behavior::Bind(_))) \
-             .expect(\"lane2 root 2\").id(); \
-           let e2 = emitted::analyze_workflow(&dag2, &root2); \
-           let o2 = v3_compiler::analyze_workflow(&dag2, root2); \
-           assert_eq!(e2, o2, \"missing workflow: emitted vs oracle\"); \
-           assert!(matches!(e2, v3_compiler::dag::WorkflowIdempotencyReport::IdempotencyUnsupported(_))); \
-         }}"
-    );
-    harness().compile(
-        &wrapped,
-        "idempo_roundtrip",
-        HarnessLinkMode::WithV3Compiler,
-    )
-}
-
-#[test]
-fn idempotency_emitted_analyze_matches_oracle() {
-    let module = emit_idempotency_module();
-    let bin = build_roundtrip_harness(&module);
-    let run = std::process::Command::new(&bin)
-        .output()
-        .expect("run idempotency roundtrip harness");
-    assert!(
-        run.status.success(),
-        "harness failed: {}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-}
-
-#[test]
-fn idempotency_dag_compiles_cleanly() {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("idempotency.dag should compile");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "idempotency.dag should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m2_lens_provenance_migration_test.rs b/src/v3/compiler/tests/integration/m2_lens_provenance_migration_test.rs
deleted file mode 100644
index 76c475d299c..00000000000
--- a/src/v3/compiler/tests/integration/m2_lens_provenance_migration_test.rs
+++ /dev/null
@@ -1,262 +0,0 @@
-//! **Layer:** boundary-adjacent integration — emitted Rust lens linked via rustc.
-//!
-//! Lens-semantic coverage (NoProducer, Source/Value, Computed/Transform,
-//! Selected/Branch, Accumulated/Loop, Bind-value passthrough) lives as
-//! in-crate unit tests under
-//! `src/v3/compiler/src/lib.rs::lens_provenance::tests`, where the
-//! `pub(crate)` Dag builder is reachable. This suite is the
-//! cross-process receipt: the `.dag` authority compiles cleanly, the
-//! checked-in generated module matches `emit_rust_module(provenance.dag)`,
-//! the clone-count ratchet holds, and the emitted module links and
-//! runs end-to-end on one representative fixture.
-
-use std::io::Write;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Behavior, PortId};
-use v3_compiler::emit_rust::emit_rust_module;
-use v3_compiler::Dag;
-
-use crate::common::{HarnessLinkMode, RustcHarness};
-
-static HARNESS: OnceLock<RustcHarness> = OnceLock::new();
-fn harness() -> &'static RustcHarness {
-    HARNESS.get_or_init(|| RustcHarness::new("provenance_lens_migration"))
-}
-
-const GENERATED_LENS_HEADER: &str = "// AUTO-GENERATED from `src/v3/lenses/provenance.dag` via\n\
-     // `emit_rust_module`. Regenerate instead of hand-editing.\n\n";
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read provenance.dag")
-}
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("provenance.dag")
-}
-
-fn emit_lens_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compiled lens source");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "lens_provenance.dag should compile cleanly, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit compiled lens module");
-    format_rust_source(&format!("{GENERATED_LENS_HEADER}{raw}"))
-}
-
-fn checked_in_generated_module() -> &'static str {
-    include_str!("../../src/lens_provenance_generated.rs")
-}
-
-fn clone_call_count(source: &str) -> usize {
-    source.match_indices(".clone(").count()
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed on emitted lens module"
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-/// Compile the provenance roundtrip harness once. `main` reads
-/// `program_source` + `file_name` from argv so each fixture is a
-/// single process spawn rather than a fresh rustc invocation.
-fn build_roundtrip_harness(module_source: &str) -> PathBuf {
-    let wrapped = format!(
-        "#[allow(warnings, clippy::all)] \
-         mod emitted {{ use v3_compiler::dag::*; use v3_compiler::diagnostics::*; {module_source} }} \
-         fn origin_label(origin: &emitted::Origin) -> &'static str {{ \
-           match origin {{ \
-             emitted::Origin::NoProducer => \"Source\", \
-             emitted::Origin::MissingPort => \"MissingPort\", \
-             emitted::Origin::MissingBehavior => \"MissingBehavior\", \
-             emitted::Origin::Source {{ _0: _ }} => \"Source\", \
-             emitted::Origin::Computed {{ _0: _ }} => \"Computed\", \
-             emitted::Origin::Selected {{ _0: _ }} => \"Selected\", \
-             emitted::Origin::Accumulated {{ _0: _ }} => \"Accumulated\", \
-           }} \
-         }} \
-         fn main() {{ \
-           let mut __args = std::env::args(); __args.next(); \
-           let program_source = __args.next().expect(\"program_source arg\"); \
-           let file_name = __args.next().expect(\"file_name arg\"); \
-           let dag = v3_compiler::compile_to_dag(&program_source, &file_name).expect(\"compiles\"); \
-           let mut rendered: Vec<String> = Vec::new(); \
-           for node in dag.nodes() {{ \
-             if let v3_compiler::dag::Behavior::Bind(bind) = node {{ \
-               let origin = emitted::origin_of(&dag, &bind.value); \
-               rendered.push(format!(\"{{}}:{{}}\", bind.name, origin_label(&origin))); \
-             }} \
-           }} \
-           rendered.sort(); \
-           println!(\"{{}}\", rendered.join(\"|\")); \
-         }}",
-    );
-
-    harness().compile(&wrapped, "main_bin", HarnessLinkMode::WithV3Compiler)
-}
-
-fn roundtrip_origin_labels(bin_path: &Path, program_source: &str, file_name: &str) -> String {
-    let run = Command::new(bin_path)
-        .arg(program_source)
-        .arg(file_name)
-        .output()
-        .expect("run compiled binary");
-    assert!(
-        run.status.success(),
-        "compiled binary failed: {}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-/// Helper: regenerate the checked-in generated module. Run with
-/// `cargo test --test m2_lens_provenance_migration_test -- --ignored
-/// emit_lens_provenance_snapshot` whenever `lens_provenance.dag`
-/// changes. The hermetic snapshot check above then confirms the
-/// update landed on disk.
-#[test]
-#[ignore]
-fn emit_lens_provenance_snapshot() {
-    const OUT_REL: &str = "src/v3/compiler/src/lens_provenance_generated.rs";
-    assert!(
-        v3_compiler::generated_files::GENERATED_FILES.contains(&OUT_REL),
-        "Self-Generation-0 producer manifest mismatch: `{OUT_REL}` is not in GENERATED_FILES — \
-         add it to REGEN_OUTPUTS in src/v3/compiler/build.rs."
-    );
-    let fresh = emit_lens_module();
-    let out_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("src")
-        .join("lens_provenance_generated.rs");
-    std::fs::write(&out_path, fresh).expect("write lens_provenance_generated.rs");
-    println!("wrote {}", out_path.display());
-}
-
-#[test]
-fn lens_provenance_dag_compiles_cleanly() {
-    let dag = match compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref()) {
-        Ok(dag) => dag,
-        Err(v3_compiler::CompileError::Semantic(dag)) => {
-            panic!(
-                "lens_provenance.dag produced {} diagnostic(s): {:#?}",
-                dag.diagnostics().len(),
-                dag.diagnostics()
-            );
-        }
-        Err(other) => panic!("lens_provenance.dag failed to compile: {other:?}"),
-    };
-    assert!(
-        dag.diagnostics().is_empty(),
-        "lens_provenance.dag should compile without diagnostics, got {:#?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn lens_provenance_generated_module_matches_checked_in_snapshot() {
-    let fresh = emit_lens_module();
-    assert_eq!(
-        fresh.trim(),
-        checked_in_generated_module().trim(),
-        "checked-in generated module is stale; regenerate lens_provenance_generated.rs from lens_provenance.dag"
-    );
-}
-
-#[test]
-fn lens_provenance_generated_module_clone_count_is_ratcheted() {
-    // Ratchet: the emitted lens body allocates defensively in a handful
-    // of spots (list-building helpers and Behavior clone in the lookup
-    // helpers). If a refactor regresses clone generation, this ratchet
-    // tightens the budget rather than letting it silently grow.
-    const MAX_CLONE_CALLS: usize = 4;
-
-    let fresh = emit_lens_module();
-    let clone_calls = clone_call_count(&fresh);
-    assert!(
-        clone_calls <= MAX_CLONE_CALLS,
-        "generated lens clone count regressed: observed {clone_calls}, ratchet allows at most {MAX_CLONE_CALLS}",
-    );
-}
-
-fn handwritten_origin_label(dag: &Dag, port: PortId) -> &'static str {
-    match dag.port(port).produced_by {
-        None => "Source",
-        Some(producer) => match dag.node(producer) {
-            Behavior::Value(_) => "Source",
-            Behavior::Transform(_) => "Computed",
-            Behavior::Branch(_) => "Selected",
-            Behavior::Loop(_) => "Accumulated",
-            Behavior::Bind(_) => "Source",
-        },
-    }
-}
-
-fn render_handwritten_oracle(program_source: &str, file_name: &str) -> String {
-    let dag = compile_to_dag(program_source, file_name).expect("program compiles");
-    let mut rendered: Vec<String> = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .map(|bind| {
-            format!(
-                "{}:{}",
-                bind.name,
-                handwritten_origin_label(&dag, bind.value)
-            )
-        })
-        .collect();
-    rendered.sort();
-    rendered.join("|")
-}
-
-/// Cross-process receipt: the emitted lens module links against the
-/// `v3_compiler` crate and runs under rustc on a representative
-/// fixture that exercises all four producing Behaviors
-/// (Value/Source, Transform/Computed, Branch/Selected,
-/// Loop/Accumulated) plus Bind-value passthrough. Agreement is gated
-/// against the handwritten oracle (not a hard-coded string) because
-/// `compile_to_dag` also pulls in bootstrap `std/` binds whose names
-/// are not stable to pin here. Per-variant coverage against
-/// hand-built Dags lives in `lens_provenance::tests`.
-#[test]
-fn lens_provenance_dag_runs_end_to_end_via_rustc_harness() {
-    let module = emit_lens_module();
-    let bin_path = build_roundtrip_harness(&module);
-    let source = "let a = 1\n\
-         let b = a + 1\n\
-         let c = if 1 > 0 then 42 else 0\n\
-         fn count(n: Int) -> Int = if n == 0 then 0 else n + count(n - 1)\n\
-         let d = count(3)";
-    let file_name = "mixed_origins.v3";
-    let oracle = render_handwritten_oracle(source, file_name);
-    let emitted = roundtrip_origin_labels(&bin_path, source, file_name);
-    assert_eq!(
-        emitted, oracle,
-        "emitted provenance lens should match handwritten oracle on the cross-process receipt fixture",
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m2_lens_structural_resolution_migration_test.rs b/src/v3/compiler/tests/integration/m2_lens_structural_resolution_migration_test.rs
deleted file mode 100644
index 052e9c8f71f..00000000000
--- a/src/v3/compiler/tests/integration/m2_lens_structural_resolution_migration_test.rs
+++ /dev/null
@@ -1,137 +0,0 @@
-// M2 — lens_structural_resolution migration test.
-//
-// Mirrors m2_lens_cost_migration_test.rs and
-// m2_lens_provenance_migration_test.rs: the `.dag` declaration at
-// src/v3/lenses/structural_resolution.dag is the live authority for
-// the structural-resolution lens. This suite asserts:
-//
-// 1. The `.dag` file compiles cleanly (no diagnostics).
-// 2. The emitted Rust module matches the checked-in snapshot at
-//    src/v3/compiler/src/lens_structural_resolution_generated.rs — so
-//    review of the emitted shape happens via the snapshot diff, not
-//    behind it.
-//
-// Behavioral coverage of the lens itself lives in
-// m1_lens_structural_resolution_test.rs (positive injection, bootstrap
-// silence, named-UserDefined silence, anonymous arrow silence,
-// co-existing real + injected declarations). This file exists solely
-// to gate the `.dag` ↔ generated-Rust mirror so the single-authority
-// claim is structural rather than conventional.
-//
-// If this test passes, the `.dag` is the authority and the
-// `lens_structural_resolution_generated.rs` in-tree snapshot is in
-// sync with it. The clone-count ratchet pattern from the provenance
-// and unused_parameters lens tests is intentionally skipped here for
-// the first pass — the cost-lens migration test followed the same
-// minimal shape, and a clone budget can be added later if drift
-// emerges.
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit_rust::emit_rust_module;
-
-const GENERATED_LENS_HEADER: &str =
-    "// AUTO-GENERATED from `src/v3/lenses/structural_resolution.dag` via\n\
-     // `emit_rust_module`. Regenerate instead of hand-editing.\n\n";
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("structural_resolution.dag")
-}
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read structural_resolution.dag")
-}
-
-fn emit_lens_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("structural_resolution.dag compiles");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "structural_resolution.dag should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit compiled lens module");
-    format_rust_source(&format!("{GENERATED_LENS_HEADER}{raw}"))
-}
-
-fn checked_in_generated_module() -> &'static str {
-    include_str!("../../src/lens_structural_resolution_generated.rs")
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed on emitted lens module"
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-/// Helper: regenerate the checked-in generated module. Run with
-/// `cargo test --test m2_lens_structural_resolution_migration_test --
-/// --ignored emit_lens_structural_resolution_snapshot` whenever
-/// `structural_resolution.dag` changes. The snapshot test below then
-/// confirms the update landed on disk.
-///
-/// Equivalent to running the unified `bin/regen_lens` driver with
-/// `--lens structural_resolution`; both paths are kept in lockstep
-/// with the cost / provenance / unused_parameters migration tests.
-#[test]
-#[ignore]
-fn emit_lens_structural_resolution_snapshot() {
-    let fresh = emit_lens_module();
-    let out_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("src")
-        .join("lens_structural_resolution_generated.rs");
-    std::fs::write(&out_path, fresh).expect("write lens_structural_resolution_generated.rs");
-    println!("wrote {}", out_path.display());
-}
-
-#[test]
-fn lens_structural_resolution_dag_compiles_cleanly() {
-    let dag = match compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref()) {
-        Ok(dag) => dag,
-        Err(v3_compiler::CompileError::Semantic(dag)) => {
-            panic!(
-                "structural_resolution.dag produced {} diagnostic(s): {:#?}",
-                dag.diagnostics().len(),
-                dag.diagnostics()
-            );
-        }
-        Err(other) => panic!("structural_resolution.dag failed to compile: {other:?}"),
-    };
-    assert!(
-        dag.diagnostics().is_empty(),
-        "structural_resolution.dag should compile without diagnostics, got {:#?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn lens_structural_resolution_generated_module_matches_checked_in_snapshot() {
-    let fresh = emit_lens_module();
-    assert_eq!(
-        fresh.trim(),
-        checked_in_generated_module().trim(),
-        "checked-in generated module is stale; regenerate lens_structural_resolution_generated.rs from structural_resolution.dag (run with `--ignored emit_lens_structural_resolution_snapshot` or the regen binary)"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m2_lens_unused_parameters_migration_test.rs b/src/v3/compiler/tests/integration/m2_lens_unused_parameters_migration_test.rs
deleted file mode 100644
index d06c3da1cef..00000000000
--- a/src/v3/compiler/tests/integration/m2_lens_unused_parameters_migration_test.rs
+++ /dev/null
@@ -1,343 +0,0 @@
-//! **Layer:** boundary-adjacent integration — emitted Rust lens linked via rustc.
-//!
-//! Lens-semantic coverage (all-used / single-unused / all-unused /
-//! branch-arm reference / zero-param bind) lives as in-crate unit
-//! tests under `v3_compiler::lens_unused_parameters` (colocated in
-//! `lib.rs`), where the `pub(crate)` Dag builder is reachable. This suite is the
-//! cross-process receipt: the `.dag` authority compiles cleanly, the
-//! checked-in generated module is in sync with
-//! `emit_rust_module(unused_parameters.dag)`, the clone-count ratchet
-//! holds, the emitted module links and runs end-to-end on one
-//! representative fixture, and the `.dag` lens produces zero findings
-//! on its own source.
-
-use std::collections::HashSet;
-use std::io::Write;
-use std::path::{Path, PathBuf};
-use std::process::{Command, Stdio};
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Behavior, BindNode, NodeId, PortId};
-use v3_compiler::emit_rust::emit_rust_module;
-use v3_compiler::Dag;
-
-use crate::common::{HarnessLinkMode, RustcHarness};
-
-static HARNESS: OnceLock<RustcHarness> = OnceLock::new();
-fn harness() -> &'static RustcHarness {
-    HARNESS.get_or_init(|| RustcHarness::new("unused_parameters_lens_migration"))
-}
-
-const GENERATED_LENS_HEADER: &str =
-    "// AUTO-GENERATED from `src/v3/lenses/unused_parameters.dag` via\n\
-     // `emit_rust_module`. Regenerate instead of hand-editing.\n\n";
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read unused_parameters.dag")
-}
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("unused_parameters.dag")
-}
-
-fn emit_lens_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("compiled lens source");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "unused_parameters.dag should compile cleanly, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit compiled lens module");
-    format_rust_source(&format!("{GENERATED_LENS_HEADER}{raw}"))
-}
-
-fn checked_in_generated_module() -> &'static str {
-    include_str!("../../src/lens_unused_parameters_generated.rs")
-}
-
-fn clone_call_count(source: &str) -> usize {
-    source.match_indices(".clone(").count()
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed on emitted lens module"
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-/// Compile the unused-parameters roundtrip harness once. `main` reads
-/// `program_source` + `file_name` from argv so each fixture is a
-/// single process spawn rather than a fresh rustc invocation.
-fn build_roundtrip_harness(module_source: &str) -> PathBuf {
-    // E-5 / Lane 1 Stage 1c PR 4: the umbrella `#[allow(warnings,
-    // clippy::all)]` still wraps the emitted module because other
-    // warning categories (unused_imports, dead_code, unused_parens,
-    // etc.) haven't shipped their structural pilots yet. But
-    // `unused_variables` HAS shipped — Rust's `pattern_bindings =
-    // EmitUnderscoreWhenUnused`, Go's pattern-bind elision, and
-    // Python's `NotApplicablePatternBinding` all close the
-    // unused-binding surface by construction. Striking it from the
-    // umbrella — via a paired `#[deny(unused_variables)]` that
-    // overrides the warnings group — turns the emitted-code
-    // contract from "silenced" into "fail-closed." A regression in
-    // any emitter's unused-binding dispatch surfaces here as a
-    // rustc error, not a silent warning.
-    let wrapped = format!(
-        "#[allow(warnings, clippy::all)] \
-         #[deny(unused_variables)] \
-         mod emitted {{ use v3_compiler::dag::*; use v3_compiler::diagnostics::*; {module_source} }} \
-         fn render(dag: &v3_compiler::Dag, function: v3_compiler::dag::NodeId) -> String {{ \
-           dag.nodes().iter().find_map(|node| match node {{ \
-             v3_compiler::dag::Behavior::Bind(bind) if bind.id == function => Some(bind.name.clone()), \
-             _ => None \
-           }}).unwrap_or_else(|| format!(\"{{:?}}\", function)) \
-         }} \
-         fn main() {{ \
-           let mut __args = std::env::args(); __args.next(); \
-           let program_source = __args.next().expect(\"program_source arg\"); \
-           let file_name = __args.next().expect(\"file_name arg\"); \
-           let dag = v3_compiler::compile_to_dag(&program_source, &file_name).expect(\"compiles\"); \
-           let mut rendered: Vec<String> = emitted::check(&dag).iter().map(|v| {{ \
-             format!(\"{{}}:param[{{}}]\", render(&dag, v.function), v.parameter_index) \
-           }}).collect(); \
-           rendered.sort(); \
-           println!(\"{{}}\", rendered.join(\"|\")); \
-         }}"
-    );
-
-    harness().compile(&wrapped, "main_bin", HarnessLinkMode::WithV3Compiler)
-}
-
-fn roundtrip_lens_render(bin_path: &Path, program_source: &str, file_name: &str) -> String {
-    let run = Command::new(bin_path)
-        .arg(program_source)
-        .arg(file_name)
-        .output()
-        .expect("run compiled binary");
-    assert!(
-        run.status.success(),
-        "compiled binary failed: {}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-    String::from_utf8_lossy(&run.stdout).trim().to_string()
-}
-
-#[derive(Debug, Clone)]
-struct OracleUnusedParameter {
-    function: NodeId,
-    parameter_index: usize,
-}
-
-fn render_handwritten_oracle(program_source: &str, file_name: &str) -> String {
-    let dag = compile_to_dag(program_source, file_name).expect("program compiles");
-    let mut rendered: Vec<String> = handwritten_unused_parameters(&dag)
-        .iter()
-        .map(|violation| {
-            let function_name = dag
-                .nodes()
-                .iter()
-                .find_map(|node| match node {
-                    v3_compiler::dag::Behavior::Bind(bind) if bind.id == violation.function => {
-                        Some(bind.name.clone())
-                    }
-                    _ => None,
-                })
-                .unwrap_or_else(|| format!("{:?}", violation.function));
-            format!("{function_name}:param[{}]", violation.parameter_index)
-        })
-        .collect();
-    rendered.sort();
-    rendered.join("|")
-}
-
-fn handwritten_unused_parameters(dag: &Dag) -> Vec<OracleUnusedParameter> {
-    let mut violations = Vec::new();
-    for node in dag.nodes() {
-        let Behavior::Bind(bind) = node else {
-            continue;
-        };
-        if bind.params.is_empty() {
-            continue;
-        }
-        collect_unused_params(dag, bind, &mut violations);
-    }
-    violations
-}
-
-fn collect_unused_params(dag: &Dag, bind: &BindNode, out: &mut Vec<OracleUnusedParameter>) {
-    let referenced = collect_referenced_ports(dag, bind.value);
-
-    for (idx, &param_port) in bind.params.iter().enumerate() {
-        if !referenced.contains(&param_port) {
-            out.push(OracleUnusedParameter {
-                function: bind.id,
-                parameter_index: idx,
-            });
-        }
-    }
-}
-
-fn collect_referenced_ports(dag: &Dag, root_port: PortId) -> HashSet<PortId> {
-    let mut referenced: HashSet<PortId> = HashSet::new();
-    let mut queue: Vec<PortId> = vec![root_port];
-
-    while let Some(port) = queue.pop() {
-        if !referenced.insert(port) {
-            continue;
-        }
-        let Some(producer) = dag.port(port).produced_by else {
-            continue;
-        };
-        match dag.node(producer) {
-            Behavior::Value(_) => {}
-            Behavior::Transform(t) => {
-                for &input in &t.inputs {
-                    queue.push(input);
-                }
-            }
-            Behavior::Branch(b) => {
-                queue.push(b.input);
-                for path in &b.paths {
-                    queue.push(path.output);
-                }
-            }
-            Behavior::Loop(l) => {
-                queue.push(l.source);
-                queue.push(l.init);
-                if let Some(count) = l.bound.count_port() {
-                    queue.push(count);
-                }
-                queue.push(behavior_output_port(dag.node(l.body)));
-            }
-            Behavior::Bind(b) => {
-                queue.push(b.value);
-            }
-        }
-    }
-
-    referenced
-}
-
-fn behavior_output_port(behavior: &Behavior) -> PortId {
-    match behavior {
-        Behavior::Value(v) => v.output,
-        Behavior::Transform(t) => t.output,
-        Behavior::Branch(b) => b.output,
-        Behavior::Loop(l) => l.output,
-        Behavior::Bind(b) => b.value,
-    }
-}
-
-#[test]
-fn unused_parameters_dag_compiles_cleanly() {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("unused_parameters.dag should compile cleanly");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "unused_parameters.dag should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-/// Regenerate helper: `cargo test -p v3-compiler --test
-/// m2_lens_unused_parameters_migration_test -- --ignored
-/// emit_lens_unused_parameters_snapshot`.
-#[test]
-#[ignore]
-fn emit_lens_unused_parameters_snapshot() {
-    let fresh = emit_lens_module();
-    let out_path = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("src")
-        .join("lens_unused_parameters_generated.rs");
-    std::fs::write(&out_path, fresh).expect("write lens_unused_parameters_generated.rs");
-    println!("wrote {}", out_path.display());
-}
-
-#[test]
-fn unused_parameters_generated_module_matches_checked_in_snapshot() {
-    let fresh = emit_lens_module();
-    assert_eq!(
-        fresh.trim(),
-        checked_in_generated_module().trim(),
-        "checked-in generated module is stale; regenerate lens_unused_parameters_generated.rs from unused_parameters.dag"
-    );
-}
-
-#[test]
-fn unused_parameters_generated_module_clone_count_is_ratcheted() {
-    // Ratchet was previously 1 (assumed an OwnedConstructLastUse
-    // optimization that skipped the clone on the last consume). The
-    // optimization was unsound when the rendered template reorders
-    // evaluation relative to dag.nodes() iteration order — e.g.,
-    // `cons(entry_for(acc, _), acc)` rendering moves `acc` (slot 1)
-    // before borrowing it (slot 0), producing use-after-move in the
-    // emitted Rust. emit_rust now conservatively clones for every
-    // Consumed disposition (matching origin/main's safe behavior),
-    // which is correct but pessimistic. The ratchet floor reflects
-    // that pessimistic state; future template-aware last-use will
-    // reduce it back down.
-    const MAX_CLONE_CALLS: usize = 5;
-
-    let fresh = emit_lens_module();
-    let clone_calls = clone_call_count(&fresh);
-    assert!(
-        clone_calls <= MAX_CLONE_CALLS,
-        "generated lens clone count regressed: observed {clone_calls}, ratchet allows at most {MAX_CLONE_CALLS}",
-    );
-}
-
-/// Cross-process receipt: the emitted module links against the
-/// `v3_compiler` crate and runs under rustc on a representative
-/// fixture exercising both used and unused parameters across an
-/// `if/else` body. Agreement is gated against the handwritten oracle
-/// (not a hard-coded string) because `compile_to_dag` also pulls in
-/// bootstrap `std/` binds whose unused-param set is not stable to
-/// pin here. Per-shape coverage against hand-built Dags lives in
-/// `lens_unused_parameters::tests`.
-#[test]
-fn unused_parameters_dag_runs_end_to_end_via_rustc_harness() {
-    let module = emit_lens_module();
-    let bin_path = build_roundtrip_harness(&module);
-    let source = "fn pick(a: Int, b: Int) -> Int = if a > 0 then a else b\n\
-         fn first(a: Int, b: Int) -> Int = a";
-    let file_name = "unused_param_mix.v3";
-    let oracle = render_handwritten_oracle(source, file_name);
-    let emitted = roundtrip_lens_render(&bin_path, source, file_name);
-    assert_eq!(
-        emitted, oracle,
-        "emitted unused_parameters lens should match handwritten oracle on the cross-process receipt fixture",
-    );
-}
-
-#[test]
-fn unused_parameters_dag_self_analysis_reports_zero_findings() {
-    let module = emit_lens_module();
-    let bin_path = build_roundtrip_harness(&module);
-    let rendered = roundtrip_lens_render(
-        &bin_path,
-        &lens_source(),
-        lens_path().to_string_lossy().as_ref(),
-    );
-    assert_eq!(rendered, "");
-}
diff --git a/src/v3/compiler/tests/integration/m2_lens_variant_payload_migration_test.rs b/src/v3/compiler/tests/integration/m2_lens_variant_payload_migration_test.rs
deleted file mode 100644
index f54b4bf7f72..00000000000
--- a/src/v3/compiler/tests/integration/m2_lens_variant_payload_migration_test.rs
+++ /dev/null
@@ -1,107 +0,0 @@
-// M2 — variant_payload lens migration test.
-//
-// Mirrors m2_lens_structural_resolution_migration_test.rs: the `.dag`
-// declaration at src/v3/lenses/variant_payload.dag is the authority for
-// emitter-side variant payload classification. Asserts snapshot parity for
-// src/v3/compiler/src/variant_payload_generated.rs.
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit_rust::emit_rust_module;
-
-const GENERATED_LENS_HEADER: &str =
-    "// AUTO-GENERATED from `src/v3/lenses/variant_payload.dag` via\n\
-     // `emit_rust_module`. Regenerate instead of hand-editing.\n\n";
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("variant_payload.dag")
-}
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read variant_payload.dag")
-}
-
-fn emit_lens_module() -> String {
-    let dag = compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref())
-        .expect("variant_payload.dag compiles");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "variant_payload.dag should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit compiled variant_payload module");
-    format_rust_source(&format!("{GENERATED_LENS_HEADER}{raw}"))
-}
-
-fn checked_in_generated_module() -> &'static str {
-    include_str!("../../src/variant_payload_generated.rs")
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed on emitted variant_payload module"
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-#[test]
-#[ignore]
-fn emit_lens_variant_payload_snapshot() {
-    let fresh = emit_lens_module();
-    let out_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("src")
-        .join("variant_payload_generated.rs");
-    std::fs::write(&out_path, fresh).expect("write variant_payload_generated.rs");
-    println!("wrote {}", out_path.display());
-}
-
-#[test]
-fn lens_variant_payload_dag_compiles_cleanly() {
-    let dag = match compile_to_dag(&lens_source(), lens_path().to_string_lossy().as_ref()) {
-        Ok(dag) => dag,
-        Err(v3_compiler::CompileError::Semantic(dag)) => {
-            panic!(
-                "variant_payload.dag produced {} diagnostic(s): {:#?}",
-                dag.diagnostics().len(),
-                dag.diagnostics()
-            );
-        }
-        Err(other) => panic!("variant_payload.dag failed to compile: {other:?}"),
-    };
-    assert!(
-        dag.diagnostics().is_empty(),
-        "variant_payload.dag should compile without diagnostics, got {:#?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn lens_variant_payload_generated_module_matches_checked_in_snapshot() {
-    let fresh = emit_lens_module();
-    assert_eq!(
-        fresh.trim(),
-        checked_in_generated_module().trim(),
-        "checked-in generated module is stale; regenerate variant_payload_generated.rs via `cargo run -p v3-compiler --bin regen_lens -- --lens variant_payload`"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/m2_substrate_inhabitance_test.rs b/src/v3/compiler/tests/integration/m2_substrate_inhabitance_test.rs
deleted file mode 100644
index a904949391e..00000000000
--- a/src/v3/compiler/tests/integration/m2_substrate_inhabitance_test.rs
+++ /dev/null
@@ -1,4822 +0,0 @@
-use std::collections::HashSet;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    algebra_profile_to_dimension, constant_bound_value, is_constant_bound, literal_bits_int,
-    lower_call_pattern, per_call_descent_evidence, per_call_pattern_at, positive_amount_from_i64,
-    size_bound_param, type_iteration_dimension, AlgebraProfile, ArrowBody, AtomPayload,
-    CallPattern, CardinalityBound, DescentEvidence, FieldMap, FieldValue, Interval, IntervalWidth,
-    IterationDimension, IterationPrimitive, LoweringTarget, PositiveDescentAmount,
-    PositiveIntervalWidth, ProportionalDivisor, ShrinkFactor, SizeBound, SubValueRelation,
-    TypeConnective, ValueBody,
-};
-use v3_compiler::diagnostics::positive_interval_width_unit_count_requires_nonnegative_units_literal_message;
-use v3_compiler::parse_surface;
-use v3_compiler::CompileError;
-use v3_compiler::Dag;
-use v3_compiler::Diagnostic;
-use v3_compiler::SourceSpan;
-use v3_compiler::{parse_for_test, tokenize_for_test};
-
-fn with_full_bootstrap_stack<F, R>(f: F) -> R
-where
-    F: FnOnce() -> R + Send + 'static,
-    R: Send + 'static,
-{
-    std::thread::Builder::new()
-        .stack_size(8 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn bootstrap-stack integration thread")
-        .join()
-        .expect("bootstrap-stack integration thread panicked")
-}
-
-fn find_named(dag: &Dag, name: &str) -> v3_compiler::dag::DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("declaration `{name}` not found"))
-        .id
-}
-
-/// `declaration_by_name` biases `src/v3/` over `dsl/` during duplicate-name
-/// migration; gate #20 nominals (`Seconds`, …) also exist as phantom units in
-/// `dimensions.dag` — pin the `dsl/std/types.dag` substrate authority.
-fn find_named_std_types_dag(dag: &Dag, name: &str) -> v3_compiler::dag::DeclarationId {
-    dag.declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some(name) && d.span.file == "dsl/std/types.dag")
-        .unwrap_or_else(|| panic!("declaration `{name}` not found in dsl/std/types.dag"))
-        .id
-}
-
-fn structural_reference_field(
-    decl: &v3_compiler::dag::Declaration,
-    label: &str,
-) -> Option<v3_compiler::dag::DeclarationId> {
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        return None;
-    };
-    fields
-        .iter()
-        .find_map(|(field_label, value)| match (field_label.as_str(), value) {
-            (want, FieldValue::Reference(id)) if want == label => Some(*id),
-            _ => None,
-        })
-}
-
-fn record_fields(dag: &Dag, name: &str) -> Vec<String> {
-    let id = find_named(dag, name);
-    match &dag.declaration(id).connective {
-        TypeConnective::Conj { children } => {
-            children.iter().map(|field| field.label.clone()).collect()
-        }
-        other => panic!("expected `{name}` to lower to a Conj, got {other:?}"),
-    }
-}
-
-fn sum_variants(dag: &Dag, name: &str) -> Vec<(String, Vec<String>)> {
-    let id = find_named(dag, name);
-    match &dag.declaration(id).connective {
-        TypeConnective::Disj { variants } => variants
-            .iter()
-            .map(|variant| {
-                let payload = match &dag.declaration(variant.ty).connective {
-                    TypeConnective::Conj { children } => {
-                        children.iter().map(|field| field.label.clone()).collect()
-                    }
-                    other => panic!(
-                        "expected variant `{}` under `{name}` to lower to a Conj payload, got {other:?}",
-                        variant.label
-                    ),
-                };
-                (variant.label.clone(), payload)
-            })
-            .collect(),
-        other => panic!("expected `{name}` to lower to a Disj, got {other:?}"),
-    }
-}
-
-fn conj_field_by_id(
-    dag: &Dag,
-    id: v3_compiler::dag::DeclarationId,
-    field_name: &str,
-) -> v3_compiler::dag::DeclarationId {
-    let decl = dag.declaration(id);
-    match &decl.connective {
-        TypeConnective::Conj { children } => {
-            children
-                .iter()
-                .find(|field| field.label == field_name)
-                .unwrap_or_else(|| panic!("declaration {id:?} missing `{field_name}` field"))
-                .ty
-        }
-        other => panic!("declaration {id:?} is not a Conj: {other:?}"),
-    }
-}
-
-fn positional_payload(
-    dag: &Dag,
-    id: v3_compiler::dag::DeclarationId,
-) -> v3_compiler::dag::DeclarationId {
-    conj_field_by_id(dag, id, "_0")
-}
-
-fn runtime_value_variant_payload(dag: &Dag, variant: &str) -> v3_compiler::dag::DeclarationId {
-    let value = dag
-        .declaration_by_name("Value")
-        .expect("runtime Value missing from full bootstrap");
-    match &value.connective {
-        TypeConnective::Disj { variants } => {
-            variants
-                .iter()
-                .find(|field| field.label == variant)
-                .unwrap_or_else(|| panic!("Value missing `{variant}` variant"))
-                .ty
-        }
-        other => panic!("runtime Value is not a Disj: {other:?}"),
-    }
-}
-
-fn assert_runtime_value_instantiation(
-    dag: &Dag,
-    actual: v3_compiler::dag::DeclarationId,
-    template: &str,
-    argument: &str,
-) {
-    let expected_template = find_named(dag, template);
-    let expected_argument = find_named(dag, argument);
-    match &dag.declaration(actual).connective {
-        TypeConnective::Instantiation {
-            template: actual_template,
-            arguments,
-        } => {
-            assert_eq!(
-                *actual_template, expected_template,
-                "expected instantiation template `{template}`"
-            );
-            assert_eq!(arguments.len(), 1, "expected one template argument");
-            assert_eq!(
-                arguments[0].value, expected_argument,
-                "expected template argument `{argument}`"
-            );
-        }
-        other => panic!("expected Instantiation, got {other:?}"),
-    }
-}
-
-fn arrow_body(dag: &Dag, name: &str) -> ArrowBody {
-    let id = find_named(dag, name);
-    match &dag.declaration(id).connective {
-        TypeConnective::Arrow { body, .. } => body.clone(),
-        other => panic!("expected `{name}` to lower to an Arrow, got {other:?}"),
-    }
-}
-
-fn semantic_dag_for(source: &str, file: &str) -> Dag {
-    let err = compile_to_dag(source, file).expect_err("source must fail semantically");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected semantic diagnostics, got {err:?}");
-    };
-    dag
-}
-
-fn has_resolve_error(dag: &Dag) -> bool {
-    dag.diagnostics()
-        .iter()
-        .any(|(_, diagnostic)| matches!(diagnostic, Diagnostic::ResolveError { .. }))
-}
-
-#[test]
-fn e_m_method_semantics_subsumption_receipt_is_verifiable() {
-    let dag = Dag::new();
-    assert!(
-        dag.declaration_by_name("MethodSemantics").is_none(),
-        "E-M chose M-b: v3 must not add a parallel MethodSemantics carrier"
-    );
-    assert_eq!(
-        sum_variants(&dag, "TransformTarget"),
-        vec![
-            (String::from("Callable"), vec![String::from("_0")]),
-            (
-                String::from("UnresolvedFieldProject"),
-                vec![String::from("field_label")],
-            ),
-            (
-                String::from("ResolvedFieldProject"),
-                vec![String::from("field_label")],
-            ),
-            (String::from("Operator"), vec![String::from("_0")]),
-        ],
-        "E-M receipt depends on callable, field-project, and operator dispatch facts"
-    );
-    assert_eq!(
-        sum_variants(&dag, "OperatorKind"),
-        vec![
-            (String::from("Arithmetic"), vec![String::from("_0")]),
-            (String::from("Comparison"), vec![String::from("_0")]),
-            (String::from("Logical"), vec![String::from("_0")]),
-        ],
-        "AlgebraMethodSemantics.method_def maps through operator kind plus algebra resolution"
-    );
-    assert!(
-        sum_variants(&dag, "TypeConnective").contains(&(
-            String::from("Arrow"),
-            vec![
-                String::from("inputs"),
-                String::from("output"),
-                String::from("body"),
-            ],
-        )),
-        "fold_accumulator_type maps to resolved callable/lambda Arrow signatures"
-    );
-    assert!(
-        record_fields(&dag, "BindNode").contains(&String::from("params")),
-        "fold_accumulator_type maps through callable/lambda BindNode params and port states"
-    );
-}
-
-#[test]
-fn substrate_declares_expected_reflection_surface() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load substrate reflection files cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    assert_eq!(record_fields(&dag, "TypeShape"), vec!["declaration"]);
-    assert_eq!(
-        record_fields(&dag, "DagPort"),
-        vec!["id", "state", "produced_by"]
-    );
-    assert_eq!(record_fields(&dag, "FieldEntry"), vec!["label", "value"]);
-    assert_eq!(
-        record_fields(&dag, "Declaration"),
-        vec![
-            "id",
-            "name",
-            "connective",
-            "type_params",
-            "phantom_params",
-            "meta_tag",
-            "inhabits",
-            "value_body",
-            "nominal_opacity",
-            "span",
-        ]
-    );
-    assert_eq!(
-        record_fields(&dag, "PayloadBinding"),
-        vec!["binding_name", "payload_port"]
-    );
-    assert_eq!(
-        record_fields(&dag, "BranchPath"),
-        vec!["body", "result_port", "pattern", "binding"]
-    );
-    assert_eq!(record_fields(&dag, "NonEmptyList"), vec!["first", "rest"]);
-    assert_eq!(
-        record_fields(&dag, "NonSingletonList"),
-        vec!["first", "second", "rest"]
-    );
-    assert_eq!(record_fields(&dag, "ElementRef"), vec!["index"]);
-    assert_eq!(record_fields(&dag, "ParamRef"), vec!["member", "slot"]);
-    assert_eq!(record_fields(&dag, "TransformRef"), vec!["node"]);
-    assert_eq!(record_fields(&dag, "MemberDescent"), vec!["param"]);
-    assert_eq!(record_fields(&dag, "IntraClusterCall"), vec!["transform"]);
-    assert_eq!(
-        record_fields(&dag, "Cluster"),
-        vec!["members", "intra_cluster_calls"]
-    );
-    assert_eq!(
-        record_fields(&dag, "ValueNode"),
-        vec!["id", "payload", "result_port", "span", "lane2_workflow"]
-    );
-    assert_eq!(
-        record_fields(&dag, "TransformNode"),
-        vec!["id", "target", "inputs", "result_port", "span"]
-    );
-    assert_eq!(
-        record_fields(&dag, "BranchNode"),
-        vec![
-            "id",
-            "input",
-            "paths",
-            "result_port",
-            "span",
-            "emit_participation"
-        ]
-    );
-    assert_eq!(
-        record_fields(&dag, "LoopNode"),
-        vec![
-            "id",
-            "source",
-            "init",
-            "body",
-            "bound",
-            "result_port",
-            "span"
-        ]
-    );
-    assert_eq!(
-        record_fields(&dag, "BindNode"),
-        vec![
-            "id",
-            "name",
-            "result_port",
-            "params",
-            "span",
-            "lane2_workflow",
-            "emit_participation"
-        ]
-    );
-    assert_eq!(
-        record_fields(&dag, "Dag"),
-        vec!["declarations", "nodes", "ports", "clusters"]
-    );
-    assert_eq!(record_fields(&dag, "SurfaceModule"), vec!["items"]);
-    assert_eq!(
-        record_fields(&dag, "SurfaceParam"),
-        vec!["name", "ty", "refinement"]
-    );
-    assert_eq!(record_fields(&dag, "SurfaceField"), vec!["name", "ty"]);
-    assert_eq!(
-        record_fields(&dag, "SurfaceVariant"),
-        vec!["name", "payload", "span"]
-    );
-    assert_eq!(
-        record_fields(&dag, "SurfaceRecordField"),
-        vec!["name", "value", "span"]
-    );
-    assert_eq!(
-        record_fields(&dag, "SurfaceMapEntry"),
-        vec!["key", "key_span", "value", "span"]
-    );
-    assert_eq!(
-        record_fields(&dag, "SurfaceMatchArm"),
-        vec!["pattern", "body", "span"]
-    );
-    assert_eq!(
-        record_fields(&dag, "SurfacePatternField"),
-        vec!["name", "binding", "span"]
-    );
-}
-
-#[test]
-fn termination_carriers_bootstrap_from_v3_std() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load termination carriers cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    assert_eq!(
-        sum_variants(&dag, "DescentEvidence"),
-        vec![
-            (String::from("Strict"), Vec::new()),
-            (String::from("NonIncreasing"), Vec::new()),
-            (String::from("DescentUnknown"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "RankingDimension"),
-        vec![
-            (String::from("TreeSize"), vec![String::from("param")]),
-            (String::from("ListLength"), vec![String::from("param")]),
-            (String::from("ArithmeticValue"), vec![String::from("param")]),
-            (String::from("TokenPosition"), vec![String::from("param")]),
-            (String::from("SetCardinality"), vec![String::from("param")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "PositiveDescentAmount"),
-        vec![
-            (String::from("OneStep"), Vec::new()),
-            (
-                String::from("AdditionalStep"),
-                vec![String::from("previous")]
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "DescentSource"),
-        vec![
-            (
-                String::from("ChildAccessor"),
-                vec![String::from("accessor")]
-            ),
-            (String::from("ListShrink"), vec![String::from("amount")]),
-            (
-                String::from("ArithmeticSubtractDescent"),
-                vec![String::from("steps")],
-            ),
-            (
-                String::from("ArithmeticDivideDescent"),
-                vec![String::from("divisor")],
-            ),
-            (String::from("ParserAdvance"), vec![String::from("witness")]),
-            (String::from("SetRemoval"), vec![String::from("element")]),
-            (String::from("FoldIteration"), Vec::new()),
-        ]
-    );
-    assert_eq!(record_fields(&dag, "TerminationProof"), vec!["dimensions"]);
-    assert_eq!(
-        record_fields(&dag, "ProofEdge"),
-        vec!["caller", "callee", "evidence"]
-    );
-}
-
-#[test]
-fn termination_lattice_functions_preserve_std_body_spans() {
-    let dag = Dag::new();
-
-    for name in [
-        "evidence_rank",
-        "merge_evidence",
-        "join_evidence",
-        "promote_to_strict",
-        "proportional_divisor_to_int",
-        "optional_evidence_meet",
-        "map_evidence_merge_at",
-    ] {
-        assert!(
-            matches!(arrow_body(&dag, name), ArrowBody::Unparsed(_)),
-            "`{name}` should preserve its v3 std body span until std block bodies lower"
-        );
-    }
-}
-
-#[test]
-fn termination_lattice_rust_mirror_dissolved() {
-    // Gate `tier3_termination_mirror_dissolved` (R3 DAG gate #1,
-    // T-Tier3-Dissolution): the public hand-Rust lattice operations no
-    // longer live in `dag.rs`. The declarations in `std.termination.dag`
-    // remain the authority and their bootstrap body spans stay pinned by
-    // `termination_lattice_functions_preserve_std_body_spans`.
-    let dag_rs = include_str!("../../src/dag.rs");
-    for forbidden in [
-        "pub fn evidence_rank",
-        "pub fn merge_evidence",
-        "pub fn join_evidence",
-        "pub fn promote_to_strict",
-        "pub fn optional_evidence_meet",
-        "pub fn map_evidence_merge_at",
-    ] {
-        assert!(
-            !dag_rs.contains(forbidden),
-            "`dag.rs` must not export termination lattice mirror helper `{forbidden}`; \
-             `src/v3/std/termination.dag` is the authority"
-        );
-    }
-}
-
-#[test]
-fn tier3_computation_mirror_trivial_constructors_dissolved() {
-    // Gate `tier3_computation_mirror_dissolved` (R3 §1.8 gate #2, narrow slice):
-    // the trivial host-Rust mirror entrypoints for `std.computation` declarations
-    // whose Rust definition added no information beyond direct variant construction
-    // (`tree_size_bound` returned `SizeBound::TreeSize { param }`;
-    //  `forever_iteration_bound` returned the `i64::MAX` literal) have been retired
-    // from `src/v3/compiler/src/dag.rs`. `src/v3/std/computation.dag` remains the
-    // single authority for these names and their bootstrap body spans stay pinned
-    // by `computation_lowering_functions_preserve_std_body_spans`.
-    //
-    // Wider mirror dissolution (`lower_call_pattern`, `type_iteration_dimension`,
-    // `size_bound_param`, `is_constant_bound`, `constant_bound_value`,
-    // `algebra_profile_to_dimension`) requires evaluated `std.computation` block
-    // bodies and stays tracked in the T-Tier3-Dissolution lane; this ratchet
-    // forbids only reintroduction of the trivial-constructor mirrors above.
-    let dag_rs = include_str!("../../src/dag.rs");
-    for forbidden in ["pub fn tree_size_bound", "pub fn forever_iteration_bound"] {
-        assert!(
-            !dag_rs.contains(forbidden),
-            "`dag.rs` must not export trivial `std.computation` mirror helper `{forbidden}`; \
-             `src/v3/std/computation.dag` is the authority (R3 gate #2 narrow slice)"
-        );
-    }
-}
-
-#[test]
-fn tier3_computation_mirror_kernel_algebra_profile_substrate_authority() {
-    // Gate `tier3_computation_mirror_dissolved` (R3 §1.8 #2, T-Tier3-Dissolution) —
-    // slice receipt: `kernel_algebra_profile` must not be shadowed by a parallel
-    // hand-maintained type-name → profile table in Rust. `type_iteration_dimension`
-    // routes non-`Node` names through `BOOTSTRAPPED_DAG.kernel_algebra_profile`, which
-    // reads the lowered `data kernel_algebra_profile` map (see `Dag::kernel_algebra_profile`).
-    assert_eq!(
-        type_iteration_dimension("Node"),
-        Some(IterationDimension::TreeDescent)
-    );
-    assert_eq!(
-        type_iteration_dimension("Int"),
-        Some(IterationDimension::ArithmeticRepeat)
-    );
-    assert_eq!(
-        type_iteration_dimension("String"),
-        Some(IterationDimension::CollectionFold)
-    );
-    assert_eq!(type_iteration_dimension("Bool"), None);
-
-    let dag_rs = include_str!("../../src/dag.rs");
-    let fn_needle = "pub fn type_iteration_dimension";
-    let fn_start = dag_rs
-        .find(fn_needle)
-        .unwrap_or_else(|| panic!("expected `{fn_needle}` in dag.rs"));
-    let brace_start = dag_rs[fn_start..]
-        .find('{')
-        .map(|rel| fn_start + rel)
-        .expect("opening brace for type_iteration_dimension");
-    let mut depth = 0u32;
-    let mut fn_end = None;
-    for (idx, ch) in dag_rs[brace_start..].char_indices() {
-        match ch {
-            '{' => depth += 1,
-            '}' => {
-                depth -= 1;
-                if depth == 0 {
-                    fn_end = Some(brace_start + idx + ch.len_utf8());
-                    break;
-                }
-            }
-            _ => {}
-        }
-    }
-    let fn_end = fn_end.expect("unterminated type_iteration_dimension");
-    let fn_slice = &dag_rs[fn_start..fn_end];
-    assert!(
-        fn_slice.contains("BOOTSTRAPPED_DAG") && fn_slice.contains(".kernel_algebra_profile(type_name)"),
-        "type_iteration_dimension must delegate through BOOTSTRAPPED_DAG.kernel_algebra_profile; got:\n{fn_slice}"
-    );
-}
-
-#[test]
-fn tier3_computation_terminal_carriers_have_no_parallel_executable_helpers() {
-    // Gate `tier3_computation_mirror_dissolved` (R3 §1.8 #2, Wave-1 slice):
-    // `ShrinkFactor` and `IterationPrimitive` are terminal carriers in
-    // `src/v3/std/computation.dag`, so the Rust side may expose the typed
-    // inhabitants needed by current generated consumers, but must not grow
-    // executable helper functions that become a second authority for their
-    // semantics. The remaining executable mirror debt is explicitly limited
-    // to `SizeBound` / `CallPattern` lowering until std block bodies evaluate.
-    let dag_rs = include_str!("../../src/dag.rs");
-    for forbidden in [
-        "pub fn shrink_factor_",
-        "pub fn iteration_primitive_",
-        "pub fn fold_iteration_primitive",
-        "pub fn descend_iteration_primitive",
-        "pub fn repeat_iteration_primitive",
-    ] {
-        assert!(
-            !dag_rs.contains(forbidden),
-            "`dag.rs` must not export terminal `std.computation` carrier helper `{forbidden}`; \
-             `src/v3/std/computation.dag` is the authority"
-        );
-    }
-
-    assert_eq!(
-        sum_variants(&Dag::new(), "ShrinkFactor"),
-        vec![
-            (String::from("UnitShrink"), Vec::new()),
-            (String::from("ConstantShrink"), vec![String::from("steps")]),
-            (
-                String::from("ProportionalShrink"),
-                vec![String::from("divisor")],
-            ),
-        ],
-        "`ShrinkFactor` variant shape must continue to come from the lowered std computation DAG"
-    );
-    assert_eq!(
-        sum_variants(&Dag::new(), "IterationPrimitive"),
-        vec![
-            (String::from("Fold"), Vec::new()),
-            (String::from("Descend"), Vec::new()),
-            (String::from("Repeat"), Vec::new()),
-        ],
-        "`IterationPrimitive` variant shape must continue to come from the lowered std computation DAG"
-    );
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_side_table_reads_recursive_call() {
-    let dag = compile_to_dag(
-        "\
-fn countdown(n: Int) -> Int =
-  if n == 0 then 0 else countdown(n - 1)
-",
-        "e_p_countdown.v3",
-    )
-    .expect("recursive countdown fixture compiles");
-
-    let entries = per_call_descent_evidence(&dag);
-    let countdown = entries
-        .iter()
-        .find(|entry| entry.caller == "countdown" && entry.callee == "countdown")
-        .unwrap_or_else(|| panic!("expected countdown self-call evidence, got {entries:?}"));
-
-    assert_eq!(countdown.evidence.len(), 1);
-    match &countdown.evidence[0] {
-        SubValueRelation::ArithmeticDescent { param, factor } => {
-            assert_eq!(
-                param, "param_0",
-                "E-P side table uses the stable ordinal scaffold until BindNode exposes parameter names"
-            );
-            assert_eq!(
-                factor,
-                &ShrinkFactor::ConstantShrink {
-                    steps: PositiveDescentAmount::OneStep
-                }
-            );
-        }
-        other => panic!("expected arithmetic descent for countdown(n - 1), got {other:?}"),
-    }
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_classifies_match_payload_self_call_as_strict_sub_value() {
-    // Phase-1 broadening: a recursive self-call passing a match-arm payload
-    // binding whose scrutinee is the function's parameter directly is the
-    // canonical structural-sub-value descent shape (cons-tail recursion).
-    // This is the call-site class beyond `arithmetic` / `preserved-value` that
-    // the lane needs for `e_p_per_call_descent_evidence_full_coverage`.
-    let dag = compile_to_dag(
-        "\
-type EpList = EpNil | EpCons(EpList)
-fn ep_count(xs: EpList) -> Int =
-  match xs { EpCons(tail) => ep_count(tail), EpNil => 0 }
-",
-        "e_p_match_payload.v3",
-    )
-    .expect("recursive list-count fixture compiles");
-
-    let entries = per_call_descent_evidence(&dag);
-    let length = entries
-        .iter()
-        .find(|entry| entry.caller == "ep_count" && entry.callee == "ep_count")
-        .expect("expected ep_count self-call evidence in per-call side table");
-
-    assert_eq!(length.evidence.len(), 1);
-    match &length.evidence[0] {
-        SubValueRelation::StrictSubValue { field, factor } => {
-            // The structural field accessor of a positional variant payload
-            // is the lowered Conj field label (`_0`), NOT the user's pattern
-            // binding name (`tail`). The pattern `Cons(tail) => length(tail)`
-            // and `Cons(t) => length(t)` describe the same structural descent,
-            // so substrate provenance must not vary with binding choice.
-            assert_eq!(
-                field.field_name, "_0",
-                "positional-payload structural accessor is the variant Conj's `_0` field"
-            );
-            assert_eq!(
-                field.variant_name, "EpCons",
-                "variant_name comes from the parent Disj's variant label"
-            );
-            assert_eq!(
-                field.type_name, "EpList",
-                "type_name is the parent Disj declaration name"
-            );
-            assert_eq!(
-                field.element_type, "EpList",
-                "element_type is the resolved name of the payload's type"
-            );
-            assert_eq!(
-                factor,
-                &ShrinkFactor::UnitShrink,
-                "match-payload descent is a unit-shrink: one constructor peeled"
-            );
-        }
-        other => panic!("expected StrictSubValue for ep_count(tail), got {other:?}"),
-    }
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_classifies_match_field_projection_self_call_as_strict_sub_value() {
-    with_full_bootstrap_stack(|| {
-        // Phase-1 broadening Slice 2 — record-payload sibling of Slice 1.
-        // For `match t { EpNode { left: l } => ep_depth(l) }`, `lower.rs`
-        // synthesizes a FieldProject transform between the payload port and the
-        // user-scope name `l`, so the recursive arg is one indirection beyond the
-        // payload port that Slice 1's direct-equality check catches.
-        //
-        // Same structural-fact discipline as Slice 1: field_name is the
-        // FieldProject.field_label (the lowered Conj field label, NOT the user's
-        // `l` binding name), and type_name/variant_name come from the parent-Disj
-        // lookup of the resolved variant declaration.
-        let dag = compile_to_dag(
-            "\
-type EpRec = EpLeaf | EpNode { left: EpRec }
-fn ep_depth(t: EpRec) -> Int =
-  match t { EpNode { left: l } => ep_depth(l), EpLeaf => 0 }
-",
-            "e_p_match_field_projection.v3",
-        )
-        .expect("recursive record-payload fixture compiles");
-
-        let entries = per_call_descent_evidence(&dag);
-        let depth = entries
-            .iter()
-            .find(|entry| entry.caller == "ep_depth" && entry.callee == "ep_depth")
-            .expect("expected ep_depth self-call evidence in per-call side table");
-
-        assert_eq!(depth.evidence.len(), 1);
-        match &depth.evidence[0] {
-            SubValueRelation::StrictSubValue { field, factor } => {
-                assert_eq!(
-                    field.field_name, "left",
-                    "FieldProject.field_label is the variant Conj's structural field name"
-                );
-                assert_eq!(
-                    field.variant_name, "EpNode",
-                    "variant_name comes from the parent Disj's variant label"
-                );
-                assert_eq!(
-                    field.type_name, "EpRec",
-                    "type_name is the parent Disj declaration name"
-                );
-                assert_eq!(
-                    field.element_type, "EpRec",
-                    "element_type is the resolved name of the projected field's type"
-                );
-                assert_eq!(
-                    factor,
-                    &ShrinkFactor::UnitShrink,
-                    "record-payload field-projection descent is a unit-shrink: \
-                 one constructor + one field peeled"
-                );
-            }
-            other => panic!("expected StrictSubValue for ep_depth(l), got {other:?}"),
-        }
-    });
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_classifies_nested_match_self_call_as_strict_sub_value() {
-    // Phase-1 broadening Slice 3: a recursive self-call whose argument is
-    // the payload binding of an INNER match arm whose scrutinee is itself
-    // an outer-match payload binding (not the parameter directly). Slices 1
-    // and 2 reject this because `branch.input != param`; Slice 3's
-    // `scrutinee_traces_to_param` tracer walks the payload-binding chain
-    // until it hits the parameter port (or the depth limit, fail-closed).
-    //
-    // Cumulative classifier coverage after this slice: direct payload,
-    // direct field-projection, AND nested-match descent — all
-    // structurally-sound `StrictSubValue` evidence.
-    let dag = compile_to_dag(
-        "\
-type EpListN = EpNilN | EpConsN(EpListN)
-fn ep_count2(xs: EpListN) -> Int =
-  match xs {
-    EpConsN(t1) => match t1 {
-      EpConsN(t2) => ep_count2(t2),
-      EpNilN => 0
-    },
-    EpNilN => 0
-  }
-",
-        "e_p_nested_match.v3",
-    )
-    .expect("nested-match recursion fixture compiles");
-
-    let entries = per_call_descent_evidence(&dag);
-    let count = entries
-        .iter()
-        .find(|entry| entry.caller == "ep_count2" && entry.callee == "ep_count2")
-        .expect("expected ep_count2 self-call evidence in per-call side table");
-
-    assert_eq!(count.evidence.len(), 1);
-    match &count.evidence[0] {
-        SubValueRelation::StrictSubValue { field, factor } => {
-            // Structural facts are taken from the INNERMOST variant pattern
-            // (where the recursive arg's payload binding originates). The
-            // outer-match level only contributes scrutinee-trace continuity.
-            assert_eq!(
-                field.field_name, "_0",
-                "innermost positional payload structural accessor is the variant Conj's `_0`"
-            );
-            assert_eq!(field.variant_name, "EpConsN");
-            assert_eq!(field.type_name, "EpListN");
-            assert_eq!(field.element_type, "EpListN");
-            assert_eq!(
-                factor,
-                &ShrinkFactor::UnitShrink,
-                "nested descent is sound at any positive depth — \
-                 every level peels one constructor"
-            );
-        }
-        other => panic!("expected StrictSubValue for ep_count2(t2), got {other:?}"),
-    }
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_classifies_nested_match_field_projection_self_call_as_strict_sub_value(
-) {
-    // Phase-1 broadening Slice 3 — nested-match × record-payload product
-    // case: the recursive arg is the FieldProject of an INNER match arm
-    // whose scrutinee is itself an outer-arm payload binding. Exercises the
-    // tracer-extended Slice 2 classifier (the field-projection helper at
-    // dag.rs:1780, which Slice 3 generalized but the nested-match-payload
-    // test alone doesn't reach).
-    let dag = compile_to_dag(
-        "\
-type EpRecN = EpLeafN | EpNodeN { left: EpRecN }
-fn ep_depth2(t: EpRecN) -> Int =
-  match t {
-    EpNodeN { left: a } => match a {
-      EpNodeN { left: b } => ep_depth2(b),
-      EpLeafN => 0
-    },
-    EpLeafN => 0
-  }
-",
-        "e_p_nested_match_field_projection.v3",
-    )
-    .expect("nested-match record-payload recursion fixture compiles");
-
-    let entries = per_call_descent_evidence(&dag);
-    let depth = entries
-        .iter()
-        .find(|entry| entry.caller == "ep_depth2" && entry.callee == "ep_depth2")
-        .expect("expected ep_depth2 self-call evidence in per-call side table");
-
-    assert_eq!(depth.evidence.len(), 1);
-    match &depth.evidence[0] {
-        SubValueRelation::StrictSubValue { field, factor } => {
-            // Innermost FieldProject's structural label.
-            assert_eq!(field.field_name, "left");
-            assert_eq!(field.variant_name, "EpNodeN");
-            assert_eq!(field.type_name, "EpRecN");
-            assert_eq!(field.element_type, "EpRecN");
-            assert_eq!(factor, &ShrinkFactor::UnitShrink);
-        }
-        other => panic!("expected StrictSubValue for ep_depth2(b), got {other:?}"),
-    }
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_classifies_nested_match_in_mutual_recursion_scc() {
-    // Phase-1 broadening Slice 3 — same nested-match shape as the
-    // self-recursive case, but inside a mutually-recursive cluster (SCC).
-    // The termination authority for clusters is `ClusterDescentChecker`,
-    // a separate code path from `descent_provable`. Both must apply the
-    // same nested-binding rule or the same termination fact has two
-    // authorities with different acceptance rules (single-authority
-    // INVARIANT violation).
-    //
-    // `ep_alpha`'s inner-match scrutinee `t1` is an outer-arm payload, not
-    // the parameter — only the nested-binding rule lets the cluster
-    // checker accept the inner arm's `ep_beta(t2)` call as descending.
-    let dag = compile_to_dag(
-        "\
-type EpListM = EpNilM | EpConsM(EpListM)
-fn ep_alpha(xs: EpListM) -> Int =
-  match xs {
-    EpConsM(t1) => match t1 {
-      EpConsM(t2) => ep_beta(t2),
-      EpNilM => 0
-    },
-    EpNilM => 0
-  }
-fn ep_beta(ys: EpListM) -> Int =
-  match ys { EpConsM(z) => ep_alpha(z), EpNilM => 0 }
-",
-        "e_p_nested_match_mutual_recursion.v3",
-    )
-    .expect("nested-match mutual-recursion fixture compiles (cluster checker accepts)");
-
-    let entries = per_call_descent_evidence(&dag);
-    let alpha_to_beta = entries
-        .iter()
-        .find(|e| e.caller == "ep_alpha" && e.callee == "ep_beta")
-        .expect("expected ep_alpha → ep_beta cluster edge in per-call side table");
-    // The structural fact this test pins is that the FIXTURE COMPILES —
-    // the cluster checker now accepts the nested-match descent shape
-    // consistently with `descent_provable`. (`ep_alpha` and `ep_beta`
-    // template through different declarations, so the per-call producer's
-    // same-template guard emits a `SubValueUnknown` for the cross-edge
-    // — that's the fail-closed cross-template default; in-SCC descent
-    // proofs are the cluster checker's authority, not this side table's.)
-    assert_eq!(alpha_to_beta.evidence.len(), 1);
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_emits_per_arg_relation_for_multi_arg_self_call() {
-    // Phase-1 broadening Slice 4: multi-arg composition. The per-call
-    // producer's contract is one `SubValueRelation` PER argument port —
-    // the evidence vector matches the historical v2 `ExprCall.descent_evidence:
-    // List<SubValueRelation>?` shape. Slices
-    // 1-3 only exercised single-arg recursion; this slice cements the
-    // multi-arg contract so future producer broadening preserves
-    // per-arg classification.
-    //
-    // Fixture: a length-with-accumulator self-call. arg 0 (`tail`) is a
-    // match-payload binding — Slice 1 classifies as StrictSubValue.
-    // arg 1 (`acc + 1`) is an arithmetic non-descent of the second
-    // parameter — falls back to SubValueUnknown (sound: the accumulator
-    // grows, so it cannot be a sub-value of itself). arg 2 (`limit`) is
-    // the third parameter passed unchanged — PreservedValue.
-    let dag = compile_to_dag(
-        "\
-type EpListA = EpNilA | EpConsA(EpListA)
-fn ep_count_acc(xs: EpListA, acc: Int, limit: Int) -> Int =
-  match xs {
-    EpConsA(tail) => ep_count_acc(tail, acc + 1, limit),
-    EpNilA => acc
-  }
-",
-        "e_p_multi_arg.v3",
-    )
-    .expect("multi-arg accumulator fixture compiles");
-
-    let entries = per_call_descent_evidence(&dag);
-    let count_acc = entries
-        .iter()
-        .find(|entry| entry.caller == "ep_count_acc" && entry.callee == "ep_count_acc")
-        .expect("expected ep_count_acc self-call evidence in per-call side table");
-
-    assert_eq!(
-        count_acc.evidence.len(),
-        3,
-        "evidence vector length matches argument count (per-arg classification)"
-    );
-
-    // arg 0: `tail` — match-payload positional binding, classified by Slice 1.
-    match &count_acc.evidence[0] {
-        SubValueRelation::StrictSubValue { field, factor } => {
-            assert_eq!(field.field_name, "_0");
-            assert_eq!(field.variant_name, "EpConsA");
-            assert_eq!(field.type_name, "EpListA");
-            assert_eq!(factor, &ShrinkFactor::UnitShrink);
-        }
-        other => panic!("expected StrictSubValue for arg 0 (tail), got {other:?}"),
-    }
-
-    // arg 1: `acc + 1` — arithmetic non-descent (Add, not Sub/Div), and the
-    // existing arithmetic_descent_relation only matches Sub/Div anyway.
-    // Sound fail-closed default: SubValueUnknown.
-    assert_eq!(
-        count_acc.evidence[1],
-        SubValueRelation::SubValueUnknown,
-        "non-descending accumulator argument must NOT classify as a sub-value"
-    );
-
-    // arg 2: `limit` — third parameter passed unchanged, port equality.
-    assert_eq!(
-        count_acc.evidence[2],
-        SubValueRelation::PreservedValue,
-        "unchanged forwarded parameter classifies as PreservedValue"
-    );
-}
-
-#[test]
-fn e_p_per_call_pattern_projects_multi_arg_self_call_from_per_arg_evidence() {
-    with_full_bootstrap_stack(|| {
-        // Gate 2 continuation: `per_call_pattern_at` is the lens-facing lookup,
-        // so it must consume the per-argument evidence vector that Gate 1 emits.
-        // A single-element-only projection would make multi-arg recursive calls
-        // invisible to cost/complexity consumers even though the side table has
-        // already classified their descent argument.
-        let dag = compile_to_dag(
-            "\
-type EpListP = EpNilP | EpConsP(EpListP)
-fn ep_count_acc_pattern(xs: EpListP, acc: Int, limit: Int) -> Int =
-  match xs {
-    EpConsP(tail) => ep_count_acc_pattern(tail, acc + 1, limit),
-    EpNilP => acc
-  }
-",
-            "e_p_multi_arg_pattern_lookup.v3",
-        )
-        .expect("multi-arg accumulator pattern fixture compiles");
-
-        let entry = per_call_descent_evidence(&dag)
-            .into_iter()
-            .find(|entry| {
-                entry.caller == "ep_count_acc_pattern" && entry.callee == "ep_count_acc_pattern"
-            })
-            .expect("expected ep_count_acc_pattern self-call evidence in per-call side table");
-
-        assert_eq!(
-            per_call_pattern_at(&dag, entry.call),
-            Some(CallPattern::ChildAccessorCall {
-                accessor: String::from("_0")
-            }),
-            "CallPattern lookup must project the provable descent relation from \
-         a multi-arg evidence vector instead of rejecting the call site"
-        );
-    });
-}
-
-/// Two-parameter recursive self-call with independent arithmetic descent on each
-/// argument (`param_0` / `param_1`). Used by per-arg `SubValueRelation` cementing and
-/// by `e_p_per_call_pattern_projects_multi_arg_self_call_from_per_arg_evidence`.
-/// R3 gate #72 `e_p_producer_demonstration` uses a **unary** fixture instead (scalar
-/// `CallPattern` surface); see that test's module comment.
-fn compile_ep_two_descent_two_arg_arithmetic_dag(display_path: &str) -> Dag {
-    compile_to_dag(
-        "\
-fn ep_two_descent(n: Int, m: Int) -> Int =
-  if n == 0 then m else ep_two_descent(n - 1, m - 1)
-",
-        display_path,
-    )
-    .expect("ep_two_descent two-arg arithmetic fixture compiles")
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_emits_distinct_per_arg_param_labels_for_arithmetic_descent() {
-    // Phase-1 broadening Slice 4 (continued): when arithmetic descent
-    // applies to multiple arguments at the same call site, each evidence
-    // entry's `param` label must reflect the per-arg parameter index
-    // (`param_0`, `param_1`, ...), not collapse to a single global label.
-    // Pins the per-arg classifier's parameter-index independence at the
-    // SubValueRelation level.
-    //
-    // (v3's existing termination prover requires the first arg to descend
-    // structurally; `n - 1` on arg 0 satisfies that, while `m - 1` on arg
-    // 1 lets us also exercise classification for a non-first parameter.)
-    let dag = compile_ep_two_descent_two_arg_arithmetic_dag("e_p_multi_arg_arith.v3");
-
-    let entries = per_call_descent_evidence(&dag);
-    let two_descent = entries
-        .iter()
-        .find(|entry| entry.caller == "ep_two_descent" && entry.callee == "ep_two_descent")
-        .expect("expected ep_two_descent self-call evidence");
-
-    assert_eq!(two_descent.evidence.len(), 2);
-    let expected_factor = ShrinkFactor::ConstantShrink {
-        steps: PositiveDescentAmount::OneStep,
-    };
-    // arg 0: `n - 1` → ArithmeticDescent against param_0.
-    match &two_descent.evidence[0] {
-        SubValueRelation::ArithmeticDescent { param, factor } => {
-            assert_eq!(param, "param_0");
-            assert_eq!(factor, &expected_factor);
-        }
-        other => panic!("expected ArithmeticDescent for arg 0 (n - 1), got {other:?}"),
-    }
-    // arg 1: `m - 1` → ArithmeticDescent against param_1, with the
-    // PER-ARG ordinal label (not collapsed to param_0).
-    match &two_descent.evidence[1] {
-        SubValueRelation::ArithmeticDescent { param, factor } => {
-            assert_eq!(
-                param, "param_1",
-                "second-argument arithmetic descent's ordinal label tracks the per-arg parameter index"
-            );
-            assert_eq!(factor, &expected_factor);
-        }
-        other => panic!("expected ArithmeticDescent for arg 1 (m - 1), got {other:?}"),
-    }
-}
-
-/// R3 program-plan gate **#72** `e_p_producer_demonstration` (T-E-P-Producer-Broadening).
-///
-/// Runtime-executable witness per `docs/r3-structure.md` (demonstration principle): a
-/// representative lowered `Dag` exposes a recursive self-call with **proven** per-port
-/// `SubValueRelation` (here: single-arg arithmetic descent, no `SubValueUnknown`),
-/// the lens-facing `per_call_pattern_at` lookup succeeds on the live `Transform` node
-/// id, and `lower_call_pattern` materializes `DescentEvidence::Strict`.
-///
-/// Uses a **unary** self-call so the witness matches today's scalar `CallPattern`
-/// surface (`per_call_pattern_at` returns one pattern). Multi-arg per-port cementing
-/// lives in `e_p_per_call_descent_evidence_emits_distinct_per_arg_param_labels_for_arithmetic_descent`
-/// and `e_p_per_call_pattern_projects_multi_arg_self_call_from_per_arg_evidence`.
-#[test]
-fn e_p_producer_demonstration() {
-    let dag = compile_to_dag(
-        "\
-fn ep_gate72_demo(n: Int) -> Int =
-  if n == 0 then 0 else ep_gate72_demo(n - 1)
-",
-        "e_p_producer_demonstration.v3",
-    )
-    .expect("e_p_producer_demonstration fixture compiles");
-
-    let entry = per_call_descent_evidence(&dag)
-        .into_iter()
-        .find(|e| e.caller == "ep_gate72_demo" && e.callee == "ep_gate72_demo")
-        .expect("expected ep_gate72_demo self-call in per-call side table");
-
-    assert_eq!(entry.evidence.len(), 1);
-    let expected_factor = ShrinkFactor::ConstantShrink {
-        steps: PositiveDescentAmount::OneStep,
-    };
-    match &entry.evidence[0] {
-        SubValueRelation::ArithmeticDescent { param, factor } => {
-            assert_eq!(param, "param_0");
-            assert_eq!(factor, &expected_factor);
-        }
-        other => panic!("expected ArithmeticDescent on the sole arg, got {other:?}"),
-    }
-
-    let pattern = per_call_pattern_at(&dag, entry.call)
-        .expect("authoritative CallPattern lookup must succeed for unary strict-descent self-call");
-    let target = lower_call_pattern(pattern);
-    assert_eq!(
-        target.evidence,
-        DescentEvidence::Strict,
-        "lowering must observe Strict descent evidence for the projected CallPattern"
-    );
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_indirect_call_fail_closed_invariance() {
-    // Phase-1 broadening Slice 6 — cementing-only. Pin the fail-closed
-    // invariance for indirect-call dispatch (`w.f(x)` over a parameter
-    // whose declared type is `Wrapper { f: fn(Int) -> Int }`).
-    //
-    // Substrate state at HEAD: `TransformDispatch::Indirect` /
-    // `ArrowPortRef` are forward-looking comment-only references in
-    // `prereq_x_call_on_field_access_ratchet_test.rs` — the substrate
-    // types do not exist yet. Indirect calls lower to a typed
-    // `Diagnostic::ResolveError` naming the X1.b prerequisite, never
-    // reaching a callable Transform node. The per-call descent producer
-    // therefore correctly emits NO evidence for them — fail-closed by
-    // structural absence rather than a classifier extension.
-    //
-    // This test is a tripwire: when `TransformDispatch::Indirect` /
-    // `ArrowPortRef` substrate eventually lands and indirect calls
-    // start lowering to a real Transform, the X1.b ResolveError will
-    // stop firing and `per_call_descent_evidence` will start producing
-    // entries for these call sites. This test will then fail, surfacing
-    // the producer-extension obligation atomically with the substrate
-    // landing — same discipline pattern Slice 4's per-arg cementing
-    // established.
-    let src = r#"
-type Wrapper { f: fn(Int) -> Int }
-
-fn invoke(w: Wrapper, x: Int) -> Int = w.f(x)
-"#;
-    let dag = match compile_to_dag(src, "e_p_indirect_call_cementing.v3") {
-        Ok(_) => panic!(
-            "indirect-call lowering must remain blocked at HEAD until \
-             the TransformDispatch::Indirect substrate lands; this test \
-             is the tripwire surfacing that landing"
-        ),
-        Err(CompileError::Semantic(dag)) => dag,
-        Err(err) => panic!("expected Semantic compile failure, got {err:?}"),
-    };
-
-    // (a) The X1.b ResolveError must fire for the indirect call site.
-    let saw_x1b_diagnostic = dag.diagnostics().iter().any(|(_, d)| match d {
-        Diagnostic::ResolveError { name, .. } => {
-            name.contains("Prereq-X1.b") || name.contains("parameter")
-        }
-        _ => false,
-    });
-    assert!(
-        saw_x1b_diagnostic,
-        "expected X1.b ResolveError naming the indirect parameter call site"
-    );
-
-    // (b) The per-call descent producer must emit NO evidence entry
-    // attributed to `invoke`'s body — there is no callable Transform
-    // for the indirect call to populate the side table from. Any future
-    // entry implies a substrate landing the producer must then classify.
-    let entries = per_call_descent_evidence(&dag);
-    let invoke_entries: Vec<_> = entries
-        .iter()
-        .filter(|entry| entry.caller == "invoke")
-        .collect();
-    assert!(
-        invoke_entries.is_empty(),
-        "indirect calls must not appear in the per-call side table at HEAD; \
-         got entries — substrate has likely landed and the producer \
-         needs an Indirect classifier slice"
-    );
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_constant_descent_termination_matches_producer_acceptance_boundary()
-{
-    // Symmetric to the proportional-descent boundary test below but for
-    // the Sub arm: the termination prover and per-call descent producer
-    // MUST share the same acceptance boundary on `param - k`.
-    // `positive_amount_from_i64` (dag.rs:1031-1032) materializes
-    // `PositiveDescentAmount` for `1..=MAX_PEANO_MATERIALIZATION`;
-    // accepting any larger literal in `is_strictly_smaller` would let
-    // `f(n - 257)` pass termination while the producer fails to
-    // materialize and emits `SubValueUnknown` — parallel-authority
-    // split-brain (the discipline Slice 3 cemented for descent_provable
-    // / ClusterDescentChecker single-authority alignment).
-    //
-    // This test pins the boundary by rejecting `n - 257` at compile
-    // time. If either authority's range shifts, this test surfaces the
-    // divergence.
-    let err = compile_to_dag(
-        "\
-fn ep_oversize_subtractor(n: Int) -> Int =
-  if n == 0 then 0 else ep_oversize_subtractor(n - 257)
-",
-        "e_p_oversize_subtractor.v3",
-    )
-    .expect_err("subtractor beyond producer's materialization range must be rejected");
-    let CompileError::Semantic(dag) = err else {
-        panic!("expected semantic diagnostics, got {err:?}");
-    };
-    let saw_termination_diagnostic = dag.diagnostics().iter().any(|(_, d)| match d {
-        Diagnostic::ResolveError { name, .. } => name.contains("ep_oversize_subtractor"),
-        _ => false,
-    });
-    assert!(
-        saw_termination_diagnostic,
-        "expected a termination diagnostic naming `ep_oversize_subtractor`"
-    );
-}
-
-#[test]
-fn e_p_per_call_descent_evidence_fails_closed_for_non_self_call() {
-    let dag = compile_to_dag(
-        "\
-fn helper(n: Int) -> Int = n - 1
-fn caller(n: Int) -> Int = helper(n)
-",
-        "e_p_non_self_call.v3",
-    )
-    .expect("non-self call fixture compiles");
-
-    let entries = per_call_descent_evidence(&dag);
-    let non_self = entries
-        .iter()
-        .find(|entry| entry.caller == "caller" && entry.callee == "helper")
-        .unwrap_or_else(|| panic!("expected non-self callable edge evidence, got {entries:?}"));
-
-    assert_eq!(
-        non_self.evidence,
-        vec![SubValueRelation::SubValueUnknown],
-        "resolved non-self callable edges must fail closed instead of disappearing"
-    );
-}
-
-#[test]
-fn induction_lattice_rust_mirror_dissolved() {
-    // Gate `tier3_induction_mirror_dissolved` (R3 DAG gate #3, T-Tier3-Dissolution):
-    // the named hand-Rust projection helpers from `std.induction::SubValueRelation`
-    // to `CallPattern` no longer live in `dag.rs` — both the previously public
-    // `sub_value_relation_to_call_pattern` and the privatized
-    // `project_sub_value_relation` are absent. `std.induction.dag::sub_value_to_call_pattern`
-    // is the authority; the residual projection logic survives only as an
-    // anonymous closure inlined into `call_pattern_from_relations_with_index`
-    // (tracked bridge: see the comment at that call site, dissolution gated on
-    // T-E-P-Producer-Broadening lens-emission landing). The lens-facing surface
-    // (`per_call_pattern_at`, `per_call_descent_evidence`, `lower_call_pattern`)
-    // is load-bearing for the cost/complexity lens consumers and remains.
-    let dag_rs = include_str!("../../src/dag.rs");
-    for forbidden in [
-        "pub fn sub_value_relation_to_call_pattern",
-        "fn sub_value_relation_to_call_pattern",
-        "fn project_sub_value_relation",
-    ] {
-        assert!(
-            !dag_rs.contains(forbidden),
-            "`dag.rs` must not carry a named hand-Rust `SubValueRelation -> CallPattern` \
-             projection helper (`{forbidden}`); \
-             `src/v3/std/induction.dag::sub_value_to_call_pattern` is the authority"
-        );
-    }
-}
-
-/// T-E-P-Producer-Broadening **gate (2)** — `e_p_call_pattern_lookup_authoritative`.
-///
-/// Pins `per_call_pattern_at` as the **single** lens-facing lookup authority
-/// for per-call `CallPattern` facts over `TransformTarget::Callable`
-/// transforms. The public lookup is intentionally a projection of
-/// `per_call_descent_evidence`; this gate guards against parallel
-/// call-pattern derivation while the sibling gates (`_full_coverage`,
-/// `_per_call_landed`) extend the producer's coverage and move evidence onto
-/// a substrate carrier.
-///
-/// **Authoritativeness check (behavioral):**
-/// - For every `Behavior::Transform` whose target is `TransformTarget::Callable`
-///   and whose span sits in the user fixture file, the producer yields
-///   **exactly one** `CallDescentEvidence` entry. (Bootstrap-scoped
-///   Callable transforms are exercised by neighbouring `e_p_*` tests; this
-///   test's candidate set is span-narrowed for tractable enumeration.)
-/// - Each entry's `call: NodeId` is **unique** in the producer's output —
-///   no parallel/duplicate producer is silently appending entries.
-/// - Every producer entry corresponds to a real `Behavior::Transform` with
-///   a `Callable` target — no synthetic entries.
-/// - The producer-emitted set (filtered to the fixture file) **equals**
-///   the candidate set — totality over the fixture-file domain.
-/// - The public `per_call_pattern_at` lookup reads the same entry set:
-///   the recursive self-call projects to `ArithmeticSubtractCall`, while
-///   the cross-template call remains `None` because its authoritative row is
-///   `SubValueUnknown`.
-///
-/// **Why a behavioral test over a source-grep ratchet:** the helpers
-/// `classify_call_argument` / `arithmetic_descent_relation` are already
-/// private to `dag.rs`; the public surface is the producer fn + the
-/// `SubValueRelation` / `CallDescentEvidence` types. The substantive
-/// "single authority" claim is that no *callable-edge → evidence* mapping
-/// is reconstructed elsewhere — this is observable as cardinality match
-/// between the producer's output and the live Callable-transform set.
-/// Future drift (a second producer adding entries; a missing call site) is
-/// caught by these structural assertions without coupling to source text.
-#[test]
-fn e_p_call_pattern_lookup_authoritative() {
-    use std::collections::HashSet;
-    use v3_compiler::dag::{Behavior, NodeId, TransformTarget};
-
-    // Two-function fixture exercises both branches of the producer's match
-    // (`caller_template == callee_template` self-recursion + resolved
-    // cross-template fail-closed). The single-authority claim must hold for
-    // the cross-template branch too — a future producer that adds a parallel
-    // walker for cross-template evidence (rather than going through
-    // `per_call_descent_evidence`'s fail-closed path) would otherwise slip
-    // past a self-recursion-only ratchet. Cardinality and uniqueness claims
-    // are gate-level properties; future producer-broadening slices (gate 1)
-    // add detection logic without changing this ratchet's shape.
-    let source = "\
-fn countdown(n: Int) -> Int =
-  if n == 0 then 0 else countdown(n - 1)
-
-fn helper(n: Int) -> Int = n - 1
-
-fn caller(n: Int) -> Int = helper(n)
-";
-    let dag = compile_to_dag(source, "e_p_lookup_authority.v3")
-        .expect("countdown self-call + caller→helper cross-template fixture compiles");
-
-    // Candidate set: every `Callable`-target transform whose *span* sits in
-    // the user fixture file. This narrows past the bootstrap dag's thousands
-    // of std/spec Callable transforms — the producer covers them under the
-    // same single-authority rule, but exhaustive iteration over the full
-    // bootstrap would dwarf the signal and is unnecessary for a structural
-    // cardinality assertion. The producer-emitted set (filtered identically)
-    // is compared to this candidate set below.
-    let fixture_callable_transforms: HashSet<NodeId> = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .filter(|t| matches!(t.target, TransformTarget::Callable(_)))
-        .filter(|t| t.span.file == "e_p_lookup_authority.v3")
-        .map(|t| t.id)
-        .collect();
-    // Sanity floor: the fixture must exercise both producer match branches
-    // (self-recursive countdown + cross-template caller→helper). Anything
-    // less leaves the cross-template fail-closed branch unverified — the
-    // coverage-equality assertion below would then trivially hold for a
-    // self-recursion-only producer. The cross-template caller→helper edge
-    // fails closed to `SubValueUnknown` (per
-    // `e_p_per_call_descent_evidence_fails_closed_for_non_self_call`), but
-    // it MUST still appear in the producer's entry set — single-authority
-    // means the producer covers all Callable edges, not just self-recursive.
-    assert!(
-        fixture_callable_transforms.len() >= 2,
-        "fixture must compile to >= 2 Callable transforms (countdown self-call + caller→helper \
-         cross-template); got {}",
-        fixture_callable_transforms.len()
-    );
-
-    let all_entries = per_call_descent_evidence(&dag);
-
-    // Filter to user-fixture entries for the cardinality comparison; the
-    // producer emits entries for the full bootstrap dag (thousands of std
-    // callable transforms), but the structural authoritativeness claim is
-    // gauged on the user fixture's narrow set where ground-truth is
-    // tractable to enumerate. Bootstrap-coverage is exercised by the same
-    // producer over std fixtures and validated by neighbouring tests
-    // (`e_p_per_call_descent_evidence_*`).
-    let entries: Vec<&v3_compiler::dag::CallDescentEvidence> = all_entries
-        .iter()
-        .filter(|entry| {
-            dag.node(entry.call)
-                .as_transform()
-                .map(|t| t.span.file == "e_p_lookup_authority.v3")
-                .unwrap_or(false)
-        })
-        .collect();
-
-    // Uniqueness: every entry's NodeId appears exactly once. A second producer
-    // appending evidence would either duplicate `call` ids or shift them.
-    let unique_call_ids: HashSet<NodeId> = entries.iter().map(|entry| entry.call).collect();
-    assert_eq!(
-        unique_call_ids.len(),
-        entries.len(),
-        "per_call_descent_evidence must emit unique entries per Callable transform; \
-         duplicate `call` ids indicate a parallel producer appending evidence"
-    );
-
-    // Reality: every entry must correspond to a real Callable-targeted
-    // transform. A synthetic entry (parallel producer building from another
-    // source) would fail this check.
-    for entry in &entries {
-        let node = dag.node(entry.call);
-        let Behavior::Transform(t) = node else {
-            panic!(
-                "per_call_descent_evidence emitted entry for non-Transform node {:?}; \
-                 call ids must reference live transforms",
-                entry.call
-            );
-        };
-        let TransformTarget::Callable(_) = t.target else {
-            panic!(
-                "per_call_descent_evidence emitted entry for non-Callable target on transform {:?}; \
-                 the producer scope is Callable transforms only",
-                entry.call
-            );
-        };
-        // The transform must be in the candidate set — the producer cannot
-        // reach Callable transforms outside the body-bind ownership rule
-        // without a parallel walker.
-        assert!(
-            fixture_callable_transforms.contains(&entry.call),
-            "per_call_descent_evidence emitted entry for transform {:?} not in the \
-             owned-Callable-transforms candidate set; this indicates a parallel \
-             walker reaching transforms outside the body-bind ownership rule",
-            entry.call
-        );
-    }
-
-    // Coverage: the producer must not silently drop call sites it owns. We
-    // assert the producer-emitted set (filtered to the fixture file) equals
-    // the candidate set (Callable transforms in the fixture file). Any
-    // mismatch indicates either (a) a missing call site, or (b) the producer
-    // overshooting its scope.
-    let entries_call_set: HashSet<NodeId> = entries.iter().map(|entry| entry.call).collect();
-    assert_eq!(
-        entries_call_set, fixture_callable_transforms,
-        "per_call_descent_evidence's emitted call set (restricted to the fixture file) \
-         must equal the set of Callable transforms in the fixture file. Mismatch indicates \
-         either (a) a missing call site (gate violation: producer is not the single \
-         authority because something else covers what the producer drops) or (b) the \
-         producer reaching outside body-owned transforms (gate violation: producer \
-         overshoots its scope)"
-    );
-
-    let countdown_entry = entries
-        .iter()
-        .find(|entry| entry.caller == "countdown" && entry.callee == "countdown")
-        .expect("expected countdown self-recursive callable edge");
-    assert_eq!(
-        per_call_pattern_at(&dag, countdown_entry.call),
-        Some(CallPattern::ArithmeticSubtractCall {
-            steps: PositiveDescentAmount::OneStep,
-            ring_param: String::from("param_0"),
-        }),
-        "per_call_pattern_at must project the recursive self-call pattern from \
-         the authoritative per-call evidence row"
-    );
-
-    let cross_template_entry = entries
-        .iter()
-        .find(|entry| entry.caller == "caller" && entry.callee == "helper")
-        .expect("expected caller→helper callable edge");
-    assert_eq!(
-        cross_template_entry.evidence,
-        vec![SubValueRelation::SubValueUnknown],
-        "cross-template callable edges must be represented in the authority row \
-         even when their call pattern fails closed"
-    );
-    assert_eq!(
-        per_call_pattern_at(&dag, cross_template_entry.call),
-        None,
-        "per_call_pattern_at must fail closed from the authoritative \
-         SubValueUnknown row instead of deriving a parallel SameArgumentCall \
-         or arithmetic pattern from the transform inputs"
-    );
-}
-
-#[test]
-fn e_p_call_pattern_lookup_authoritative_consumers_use_query_surface() {
-    let cost_lens = include_str!("../../../lenses/cost.dag");
-    let complexity_lens = include_str!("../../../lenses/complexity.dag");
-    let generated_cost = include_str!("../../src/cost_symbolic_lens_generated.rs");
-    let generated_complexity = include_str!("../../src/complexity_lens_generated.rs");
-
-    for (name, source) in [
-        ("src/v3/lenses/cost.dag", cost_lens),
-        ("src/v3/lenses/complexity.dag", complexity_lens),
-    ] {
-        assert!(
-            source.contains("per_call_pattern_at"),
-            "{name} must consume CallPattern facts through the authoritative \
-             std.computation::per_call_pattern_at query"
-        );
-        assert!(
-            !source.contains("per_call_descent_evidence"),
-            "{name} must not read per_call_descent_evidence directly; \
-             per_call_pattern_at is the L-7 consumer surface"
-        );
-        assert!(
-            !source.contains("lower_call_pattern"),
-            "{name} must not consume compiler-internal lower_call_pattern; \
-             lens-facing CallPattern lookup is per_call_pattern_at"
-        );
-    }
-
-    for (name, source) in [
-        (
-            "src/v3/compiler/src/cost_symbolic_lens_generated.rs",
-            generated_cost,
-        ),
-        (
-            "src/v3/compiler/src/complexity_lens_generated.rs",
-            generated_complexity,
-        ),
-    ] {
-        assert!(
-            source.contains("per_call_pattern_at("),
-            "{name} must retain generated calls to the authoritative \
-             per_call_pattern_at substrate accessor"
-        );
-        assert!(
-            !source.contains("per_call_descent_evidence("),
-            "{name} must not regenerate a direct side-table consumer; \
-             CallPattern consumers route through per_call_pattern_at"
-        );
-        assert!(
-            !source.contains("lower_call_pattern("),
-            "{name} must not regenerate compiler-internal lowering as a \
-             lens-facing CallPattern consumer"
-        );
-    }
-}
-
-#[test]
-fn e_p_runtime_mirror_matches_induction_carrier_shape() {
-    let dag = Dag::new();
-
-    assert_eq!(
-        sum_variants(&dag, "RecursionShape"),
-        vec![
-            (String::from("DirectRecursion"), vec![]),
-            (String::from("ListRecursion"), vec![]),
-            (String::from("OptionalRecursion"), vec![]),
-            (String::from("SetRecursion"), vec![]),
-            (String::from("MapValueRecursion"), vec![]),
-        ],
-        "Rust RecursionShape mirror in dag.rs must stay aligned with src/v3/std/induction.dag"
-    );
-    assert_eq!(
-        record_fields(&dag, "InductiveField"),
-        vec![
-            "type_name",
-            "variant_name",
-            "field_name",
-            "shape",
-            "element_type"
-        ],
-        "Rust InductiveField mirror in dag.rs must stay aligned with src/v3/std/induction.dag"
-    );
-    assert_eq!(
-        sum_variants(&dag, "SubValueRelation"),
-        vec![
-            (
-                String::from("StrictSubValue"),
-                vec![String::from("field"), String::from("factor")]
-            ),
-            (
-                String::from("IteratedSubValue"),
-                vec![String::from("field")]
-            ),
-            (
-                String::from("ArithmeticDescent"),
-                vec![String::from("param"), String::from("factor")]
-            ),
-            (String::from("PreservedValue"), vec![]),
-            (String::from("NonIncreasingValue"), vec![]),
-            (String::from("StrictAxisErased"), vec![]),
-            (String::from("MixedTop"), vec![]),
-            (String::from("SubValueUnknown"), vec![]),
-        ],
-        "Rust SubValueRelation mirror in dag.rs must stay aligned with src/v3/std/induction.dag"
-    );
-}
-
-#[test]
-fn computation_carriers_bootstrap_from_v3_std() {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load computation carriers cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    assert_eq!(
-        sum_variants(&dag, "SizeBound"),
-        vec![
-            (String::from("CollectionSize"), vec![String::from("param")]),
-            (
-                String::from("ParserStreamSize"),
-                vec![String::from("witness")],
-            ),
-            (
-                String::from("WorklistDrainSize"),
-                vec![String::from("element")],
-            ),
-            (String::from("TreeSize"), vec![String::from("param")]),
-            (String::from("ArithmeticParam"), vec![String::from("param")]),
-            (String::from("ExplicitCountZero"), Vec::new()),
-            (
-                String::from("ExplicitCountPositive"),
-                vec![String::from("steps")],
-            ),
-            (String::from("Forever"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "CallPattern"),
-        vec![
-            (
-                String::from("ChildAccessorCall"),
-                vec![String::from("accessor")],
-            ),
-            (
-                String::from("CollectionShrinkCall"),
-                vec![String::from("amount"), String::from("collection")],
-            ),
-            (
-                String::from("ArithmeticSubtractCall"),
-                vec![String::from("steps"), String::from("ring_param")],
-            ),
-            (
-                String::from("ArithmeticDivideCall"),
-                vec![String::from("divisor"), String::from("ring_param")],
-            ),
-            (
-                String::from("ParserAdvanceCall"),
-                vec![String::from("witness")],
-            ),
-            (
-                String::from("WorklistDrainCall"),
-                vec![String::from("element")],
-            ),
-            (
-                String::from("FoldBodyCall"),
-                vec![String::from("outer_collection")],
-            ),
-            (String::from("SameArgumentCall"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "ProportionalDivisor"),
-        vec![
-            (String::from("DivideByTwo"), Vec::new()),
-            (String::from("StrictlyLarger"), vec![String::from("inner")],),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "ShrinkFactor"),
-        vec![
-            (String::from("UnitShrink"), Vec::new()),
-            (String::from("ConstantShrink"), vec![String::from("steps")]),
-            (
-                String::from("ProportionalShrink"),
-                vec![String::from("divisor")],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "IterationPrimitive"),
-        vec![
-            (String::from("Fold"), Vec::new()),
-            (String::from("Descend"), Vec::new()),
-            (String::from("Repeat"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        record_fields(&dag, "LoweringTarget"),
-        vec!["primitive", "bound", "evidence", "factor"]
-    );
-    assert_eq!(
-        sum_variants(&dag, "IterationDimension"),
-        vec![
-            (String::from("TreeDescent"), Vec::new()),
-            (String::from("CollectionFold"), Vec::new()),
-            (String::from("ArithmeticRepeat"), Vec::new()),
-        ]
-    );
-}
-
-#[test]
-fn computation_lowering_functions_preserve_std_body_spans() {
-    let dag = Dag::new();
-
-    for name in [
-        "tree_size_bound",
-        "lower_call_pattern",
-        "positive_descent_count",
-        "size_bound_param",
-        "is_constant_bound",
-        "forever_iteration_bound",
-        "constant_bound_value",
-        "algebra_profile_to_dimension",
-        "type_iteration_dimension",
-    ] {
-        assert!(
-            matches!(arrow_body(&dag, name), ArrowBody::Unparsed(_)),
-            "`{name}` should preserve its v3 std body span until std block bodies lower"
-        );
-    }
-}
-
-#[test]
-fn computation_lowering_rust_mirror_matches_dag_authority() {
-    use v3_compiler::dag::ShrinkFactor::{ConstantShrink, ProportionalShrink};
-    use CallPattern::{
-        ArithmeticDivideCall, ArithmeticSubtractCall, ChildAccessorCall, CollectionShrinkCall,
-        FoldBodyCall, ParserAdvanceCall, SameArgumentCall, WorklistDrainCall,
-    };
-    use DescentEvidence::{NonIncreasing, Strict};
-    use IterationPrimitive::{Descend, Fold, Repeat};
-    use SizeBound::{
-        ArithmeticParam, CollectionSize, Forever, ParserStreamSize, TreeSize, WorklistDrainSize,
-    };
-
-    let cases = vec![
-        (
-            ChildAccessorCall {
-                accessor: String::from("left"),
-            },
-            LoweringTarget {
-                primitive: Descend,
-                bound: TreeSize {
-                    param: String::from("left"),
-                },
-                evidence: Strict,
-                factor: None,
-            },
-        ),
-        (
-            CollectionShrinkCall {
-                amount: PositiveDescentAmount::OneStep,
-                collection: String::from("xs"),
-            },
-            LoweringTarget {
-                primitive: Fold,
-                bound: CollectionSize {
-                    param: String::from("xs"),
-                },
-                evidence: Strict,
-                factor: Some(ConstantShrink {
-                    steps: PositiveDescentAmount::OneStep,
-                }),
-            },
-        ),
-        (
-            CollectionShrinkCall {
-                amount: PositiveDescentAmount::AdditionalStep {
-                    previous: Box::new(PositiveDescentAmount::OneStep),
-                },
-                collection: String::from("xs"),
-            },
-            LoweringTarget {
-                primitive: Fold,
-                bound: CollectionSize {
-                    param: String::from("xs"),
-                },
-                evidence: Strict,
-                factor: Some(ConstantShrink {
-                    steps: PositiveDescentAmount::AdditionalStep {
-                        previous: Box::new(PositiveDescentAmount::OneStep),
-                    },
-                }),
-            },
-        ),
-        (
-            ArithmeticSubtractCall {
-                steps: PositiveDescentAmount::OneStep,
-                ring_param: String::from("n"),
-            },
-            LoweringTarget {
-                primitive: Repeat,
-                bound: ArithmeticParam {
-                    param: String::from("n"),
-                },
-                evidence: Strict,
-                factor: Some(ConstantShrink {
-                    steps: PositiveDescentAmount::OneStep,
-                }),
-            },
-        ),
-        (
-            ArithmeticDivideCall {
-                divisor: ProportionalDivisor::DivideByTwo,
-                ring_param: String::from("n"),
-            },
-            LoweringTarget {
-                primitive: Repeat,
-                bound: ArithmeticParam {
-                    param: String::from("n"),
-                },
-                evidence: Strict,
-                factor: Some(ProportionalShrink {
-                    divisor: ProportionalDivisor::DivideByTwo,
-                }),
-            },
-        ),
-        (
-            ArithmeticDivideCall {
-                divisor: ProportionalDivisor::StrictlyLarger {
-                    inner: Box::new(ProportionalDivisor::DivideByTwo),
-                },
-                ring_param: String::from("n"),
-            },
-            LoweringTarget {
-                primitive: Repeat,
-                bound: ArithmeticParam {
-                    param: String::from("n"),
-                },
-                evidence: Strict,
-                factor: Some(ProportionalShrink {
-                    divisor: ProportionalDivisor::StrictlyLarger {
-                        inner: Box::new(ProportionalDivisor::DivideByTwo),
-                    },
-                }),
-            },
-        ),
-        (
-            ParserAdvanceCall {
-                witness: String::from("advance"),
-            },
-            LoweringTarget {
-                primitive: Fold,
-                bound: ParserStreamSize {
-                    witness: String::from("advance"),
-                },
-                evidence: Strict,
-                factor: None,
-            },
-        ),
-        (
-            WorklistDrainCall {
-                element: String::from("item"),
-            },
-            LoweringTarget {
-                primitive: Fold,
-                bound: WorklistDrainSize {
-                    element: String::from("item"),
-                },
-                evidence: Strict,
-                factor: None,
-            },
-        ),
-        (
-            FoldBodyCall {
-                outer_collection: String::from("items"),
-            },
-            LoweringTarget {
-                primitive: Fold,
-                bound: CollectionSize {
-                    param: String::from("items"),
-                },
-                evidence: NonIncreasing,
-                factor: None,
-            },
-        ),
-        (
-            SameArgumentCall,
-            LoweringTarget {
-                primitive: Repeat,
-                bound: Forever,
-                evidence: NonIncreasing,
-                factor: None,
-            },
-        ),
-    ];
-
-    for (pattern, expected) in cases {
-        assert_eq!(lower_call_pattern(pattern), expected);
-    }
-}
-
-#[test]
-fn computation_size_bound_helpers_match_dag_authority() {
-    let tree = SizeBound::TreeSize {
-        param: String::from("node"),
-    };
-    let collection = SizeBound::CollectionSize {
-        param: String::from("items"),
-    };
-    let parser_stream = SizeBound::ParserStreamSize {
-        witness: String::from("tok"),
-    };
-    let worklist_drain = SizeBound::WorklistDrainSize {
-        element: String::from("wl"),
-    };
-    let arithmetic = SizeBound::ArithmeticParam {
-        param: String::from("n"),
-    };
-    let explicit = SizeBound::ExplicitCountPositive {
-        steps: positive_amount_from_i64(7).expect("literal 7 is in Peano materialization range"),
-    };
-    let explicit_zero = SizeBound::ExplicitCountZero;
-    let forever = SizeBound::Forever;
-
-    assert_eq!(size_bound_param(&tree), Some("node"));
-    assert_eq!(size_bound_param(&collection), Some("items"));
-    assert_eq!(size_bound_param(&parser_stream), Some("tok"));
-    assert_eq!(size_bound_param(&worklist_drain), Some("wl"));
-    assert_eq!(size_bound_param(&arithmetic), Some("n"));
-    assert_eq!(size_bound_param(&explicit), None);
-    assert_eq!(size_bound_param(&explicit_zero), None);
-    assert_eq!(size_bound_param(&forever), None);
-
-    assert!(!is_constant_bound(&tree));
-    assert!(!is_constant_bound(&collection));
-    assert!(!is_constant_bound(&arithmetic));
-    assert!(is_constant_bound(&explicit));
-    assert!(is_constant_bound(&explicit_zero));
-    assert!(is_constant_bound(&forever));
-
-    assert_eq!(constant_bound_value(&explicit_zero), Some(0));
-    assert_eq!(constant_bound_value(&explicit), Some(7));
-    assert_eq!(constant_bound_value(&forever), Some(i64::MAX));
-    assert_eq!(constant_bound_value(&tree), None);
-}
-
-#[test]
-fn computation_iteration_dimension_helpers_match_kernel_profile_authority() {
-    use AlgebraProfile::{
-        ApproximateFieldProfile, BooleanAlgebraCollectionProfile, BooleanAlgebraProfile,
-        FreeMonoidCollectionProfile, FreeMonoidScalarProfile, OrderedRingProfile,
-        PartialFunctionProfile,
-    };
-    use IterationDimension::{ArithmeticRepeat, CollectionFold, TreeDescent};
-
-    for profile in [
-        FreeMonoidCollectionProfile,
-        FreeMonoidScalarProfile,
-        BooleanAlgebraCollectionProfile,
-        PartialFunctionProfile,
-    ] {
-        assert_eq!(algebra_profile_to_dimension(profile), Some(CollectionFold));
-    }
-    for profile in [OrderedRingProfile, ApproximateFieldProfile] {
-        assert_eq!(
-            algebra_profile_to_dimension(profile),
-            Some(ArithmeticRepeat)
-        );
-    }
-    assert_eq!(algebra_profile_to_dimension(BooleanAlgebraProfile), None);
-
-    assert_eq!(type_iteration_dimension("Node"), Some(TreeDescent));
-    assert_eq!(type_iteration_dimension("List"), Some(CollectionFold));
-    assert_eq!(type_iteration_dimension("Map"), Some(CollectionFold));
-    assert_eq!(type_iteration_dimension("Int"), Some(ArithmeticRepeat));
-    assert_eq!(type_iteration_dimension("Float"), Some(ArithmeticRepeat));
-    assert_eq!(type_iteration_dimension("Bool"), None);
-    assert_eq!(type_iteration_dimension("UserType"), None);
-}
-
-#[test]
-fn v3_kernel_algebra_profile_reads_lowered_dag_map_authority() {
-    let dag = Dag::new();
-    let decl = dag
-        .declaration_by_name("kernel_algebra_profile")
-        .expect("kernel_algebra_profile declaration exists");
-    let Some(ValueBody::Map(entries)) = &decl.value_body else {
-        panic!(
-            "kernel_algebra_profile should lower from dsl/std/algebra.dag to ValueBody::Map, got {:?}",
-            decl.value_body
-        );
-    };
-    assert_eq!(entries.entries().len(), 7);
-    assert_eq!(
-        dag.kernel_algebra_profile("Int"),
-        Some(AlgebraProfile::OrderedRingProfile)
-    );
-    assert_eq!(
-        dag.kernel_algebra_profile("Float"),
-        Some(AlgebraProfile::ApproximateFieldProfile)
-    );
-    assert_eq!(
-        dag.kernel_algebra_profile("Bool"),
-        Some(AlgebraProfile::BooleanAlgebraProfile)
-    );
-    assert_eq!(
-        dag.kernel_algebra_profile("String"),
-        Some(AlgebraProfile::FreeMonoidScalarProfile)
-    );
-    assert_eq!(
-        dag.kernel_algebra_profile("List"),
-        Some(AlgebraProfile::FreeMonoidCollectionProfile)
-    );
-    assert_eq!(
-        dag.kernel_algebra_profile("Set"),
-        Some(AlgebraProfile::BooleanAlgebraCollectionProfile)
-    );
-    assert_eq!(
-        dag.kernel_algebra_profile("Map"),
-        Some(AlgebraProfile::PartialFunctionProfile)
-    );
-    assert_eq!(dag.kernel_algebra_profile("UserType"), None);
-}
-
-#[test]
-fn v3_kernel_algebra_profile_accessor_prefers_local_map_data_over_rust_fallback() {
-    let source = "type AlgebraProfile\n  = OrderedRingProfile\n  | ApproximateFieldProfile\n  | BooleanAlgebraProfile\n  | BooleanAlgebraCollectionProfile\n  | FreeMonoidScalarProfile\n  | FreeMonoidCollectionProfile\n  | PartialFunctionProfile\n\n\
-data kernel_algebra_profile: Map<String, AlgebraProfile> = {\n  \"Int\": BooleanAlgebraProfile,\n  \"Custom\": PartialFunctionProfile\n}\n";
-    let dag = compile_to_dag(source, "local_kernel_profile_authority.v3")
-        .expect("local kernel_algebra_profile map should lower");
-
-    assert_eq!(
-        dag.kernel_algebra_profile("Int"),
-        Some(AlgebraProfile::BooleanAlgebraProfile),
-        "accessor must read the lowered map instead of a hard-coded Rust profile table"
-    );
-    assert_eq!(
-        dag.kernel_algebra_profile("Custom"),
-        Some(AlgebraProfile::PartialFunctionProfile)
-    );
-    assert_eq!(dag.kernel_algebra_profile("Float"), None);
-}
-
-#[test]
-fn substrate_coproducts_match_runtime_carriers() {
-    let dag = Dag::new();
-
-    assert_eq!(
-        sum_variants(&dag, "PortState"),
-        vec![
-            (String::from("Uninferred"), Vec::new()),
-            (String::from("Resolved"), vec![String::from("_0")]),
-            (String::from("Unresolved"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "LiteralBits"),
-        vec![
-            (String::from("LitInt"), vec![String::from("_0")]),
-            (String::from("LitBool"), vec![String::from("_0")]),
-            (String::from("LitString"), vec![String::from("_0")]),
-            (String::from("LitSymbol"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "AtomPayload"),
-        vec![
-            (String::from("Literal"), vec![String::from("_0")]),
-            (
-                String::from("UnresolvedIdentifier"),
-                vec![String::from("_0")],
-            ),
-            (
-                String::from("ResolvedByStructure"),
-                vec![String::from("_0")],
-            ),
-            (String::from("ResolvedByName"), vec![String::from("_0")],),
-            (String::from("TypeParam"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "Interval"),
-        vec![
-            (
-                String::from("BoundedInterval"),
-                vec![String::from("lower"), String::from("width")],
-            ),
-            (String::from("Unbounded"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "BoundDeclaration"),
-        vec![
-            (String::from("StaticBound"), vec![String::from("_0")]),
-            (String::from("PlatformDependent"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "TargetIntegerInhabitanceBound"),
-        vec![
-            (String::from("BoundUnspecified"), Vec::new()),
-            (String::from("StaticBoundFact"), vec![String::from("_0")]),
-            (String::from("PlatformDependentFact"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "PositiveIntervalWidth"),
-        vec![
-            (String::from("OneUnit"), Vec::new()),
-            (
-                String::from("AdditionalUnit"),
-                vec![String::from("previous")],
-            ),
-            (String::from("UnitCount"), vec![String::from("units")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "IntervalWidth"),
-        vec![
-            (String::from("ZeroWidth"), Vec::new()),
-            (String::from("PositiveWidth"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "CardinalityBound"),
-        vec![
-            (String::from("Exact"), vec![String::from("_0")]),
-            (String::from("AtMostOne"), Vec::new()),
-            (String::from("Unbounded"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "FieldValue"),
-        vec![
-            (String::from("Literal"), vec![String::from("_0")]),
-            (String::from("Reference"), vec![String::from("_0")]),
-            (String::from("Record"), vec![String::from("_0")]),
-            (String::from("List"), vec![String::from("_0")]),
-            (String::from("Map"), vec![String::from("_0")]),
-            (
-                String::from("Variant"),
-                vec![String::from("constructor"), String::from("payload")],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "ValueBody"),
-        vec![
-            (String::from("ValueBodyUnparsed"), vec![String::from("_0")]),
-            (
-                String::from("ValueBodyStructural"),
-                vec![String::from("fields")]
-            ),
-            (String::from("ValueBodyScalar"), vec![String::from("_0")]),
-            (String::from("ValueBodyList"), vec![String::from("_0")]),
-            (String::from("ValueBodyMap"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "ArrowBody"),
-        vec![
-            (String::from("UserDefined"), vec![String::from("_0")]),
-            (
-                String::from("ExternalRealization"),
-                vec![String::from("_0")],
-            ),
-            (String::from("Pending"), Vec::new()),
-            (String::from("NoBody"), Vec::new()),
-            (String::from("Unparsed"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "TypeConnective"),
-        vec![
-            (String::from("Atom"), vec![String::from("_0")]),
-            (String::from("Conj"), vec![String::from("children")]),
-            (String::from("Disj"), vec![String::from("variants")]),
-            (
-                String::from("Arrow"),
-                vec![
-                    String::from("inputs"),
-                    String::from("output"),
-                    String::from("body"),
-                ],
-            ),
-            (
-                String::from("Cardinality"),
-                vec![String::from("element"), String::from("bound")],
-            ),
-            (
-                String::from("Instantiation"),
-                vec![String::from("template"), String::from("arguments")],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "ArithmeticOp"),
-        vec![
-            (String::from("Add"), Vec::new()),
-            (String::from("Sub"), Vec::new()),
-            (String::from("Mul"), Vec::new()),
-            (String::from("Div"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "ComparisonOp"),
-        vec![
-            (String::from("Eq"), Vec::new()),
-            (String::from("Ne"), Vec::new()),
-            (String::from("Lt"), Vec::new()),
-            (String::from("Le"), Vec::new()),
-            (String::from("Gt"), Vec::new()),
-            (String::from("Ge"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "LogicalOp"),
-        vec![
-            (String::from("And"), Vec::new()),
-            (String::from("Or"), Vec::new()),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "OperatorKind"),
-        vec![
-            (String::from("Arithmetic"), vec![String::from("_0")]),
-            (String::from("Comparison"), vec![String::from("_0")]),
-            (String::from("Logical"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "TransformTarget"),
-        vec![
-            (String::from("Callable"), vec![String::from("_0")]),
-            (
-                String::from("UnresolvedFieldProject"),
-                vec![String::from("field_label")],
-            ),
-            (
-                String::from("ResolvedFieldProject"),
-                vec![String::from("field_label")],
-            ),
-            (String::from("Operator"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "BranchPattern"),
-        vec![
-            (
-                String::from("UnresolvedVariant"),
-                vec![String::from("name"), String::from("span")],
-            ),
-            (String::from("ResolvedVariant"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "LoopBound"),
-        vec![
-            (String::from("Cardinality"), vec![String::from("count")]),
-            (
-                String::from("Descent"),
-                vec![String::from("cluster"), String::from("measure")],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "Behavior"),
-        vec![
-            (String::from("Value"), vec![String::from("_0")]),
-            (String::from("Transform"), vec![String::from("_0")]),
-            (String::from("Branch"), vec![String::from("_0")]),
-            (String::from("Loop"), vec![String::from("_0")]),
-            (String::from("Bind"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "VariantPayload"),
-        vec![
-            (String::from("Positional"), vec![String::from("_0")]),
-            (String::from("Record"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "TypeAngleArg"),
-        vec![
-            (String::from("TypeExpr"), vec![String::from("ty")],),
-            (
-                String::from("WidthNatLiteral"),
-                vec![String::from("decimal"), String::from("span")],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "SurfaceType"),
-        vec![
-            (
-                String::from("Named"),
-                vec![String::from("name"), String::from("span")],
-            ),
-            (
-                String::from("Parameterized"),
-                vec![
-                    String::from("name"),
-                    String::from("args"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Optional"),
-                vec![String::from("inner"), String::from("span")],
-            ),
-            (
-                String::from("Arrow"),
-                vec![
-                    String::from("inputs"),
-                    String::from("output"),
-                    String::from("span"),
-                ],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "SurfacePattern"),
-        vec![
-            (
-                String::from("BareVariant"),
-                vec![String::from("name"), String::from("span")],
-            ),
-            (
-                String::from("VariantWith"),
-                vec![
-                    String::from("name"),
-                    String::from("binding"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("VariantFields"),
-                vec![
-                    String::from("name"),
-                    String::from("fields"),
-                    String::from("span"),
-                ],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "SurfaceLiteral"),
-        vec![
-            (String::from("Int"), vec![String::from("_0")]),
-            (String::from("Bool"), vec![String::from("_0")]),
-            (String::from("String"), vec![String::from("_0")]),
-            (String::from("Symbol"), vec![String::from("_0")]),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "SurfaceExpr"),
-        vec![
-            (
-                String::from("Literal"),
-                vec![String::from("value"), String::from("span")],
-            ),
-            (
-                String::from("Var"),
-                vec![String::from("name"), String::from("span")],
-            ),
-            (
-                String::from("Path"),
-                vec![
-                    String::from("segments"),
-                    String::from("segment_spans"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Call"),
-                vec![
-                    String::from("target"),
-                    String::from("args"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("PathCall"),
-                vec![
-                    String::from("segments"),
-                    String::from("segment_spans"),
-                    String::from("args"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("VariantRecord"),
-                vec![
-                    String::from("target"),
-                    String::from("fields"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Operator"),
-                vec![
-                    String::from("op"),
-                    String::from("args"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Lambda"),
-                vec![
-                    String::from("params"),
-                    String::from("body"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("If"),
-                vec![
-                    String::from("cond"),
-                    String::from("then_branch"),
-                    String::from("else_branch"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Match"),
-                vec![
-                    String::from("scrutinee"),
-                    String::from("arms"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Record"),
-                vec![String::from("fields"), String::from("span")],
-            ),
-            (
-                String::from("List"),
-                vec![String::from("elements"), String::from("span")],
-            ),
-            (
-                String::from("Map"),
-                vec![String::from("entries"), String::from("span")],
-            ),
-        ]
-    );
-    assert_eq!(
-        sum_variants(&dag, "SurfaceItem"),
-        vec![
-            (
-                String::from("Let"),
-                vec![
-                    String::from("name"),
-                    String::from("type_ann"),
-                    String::from("expr"),
-                ],
-            ),
-            (
-                String::from("Fn"),
-                vec![
-                    String::from("name"),
-                    String::from("type_params"),
-                    String::from("params"),
-                    String::from("return_type"),
-                    String::from("body"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("FnExternalBody"),
-                vec![
-                    String::from("name"),
-                    String::from("type_params"),
-                    String::from("params"),
-                    String::from("return_type"),
-                    String::from("body_span"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Data"),
-                vec![
-                    String::from("name"),
-                    String::from("ty"),
-                    String::from("body"),
-                    String::from("body_span"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("Module"),
-                vec![String::from("path"), String::from("span")],
-            ),
-            (
-                String::from("Import"),
-                vec![
-                    String::from("path"),
-                    String::from("names"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("TypeAtom"),
-                vec![
-                    String::from("name"),
-                    String::from("type_params"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("TypeRecord"),
-                vec![
-                    String::from("name"),
-                    String::from("type_params"),
-                    String::from("fields"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("TypeSum"),
-                vec![
-                    String::from("name"),
-                    String::from("type_params"),
-                    String::from("variants"),
-                    String::from("inhabits"),
-                    String::from("span"),
-                ],
-            ),
-            (
-                String::from("TypeAlias"),
-                vec![
-                    String::from("name"),
-                    String::from("type_params"),
-                    String::from("nominal_opaque"),
-                    String::from("target"),
-                    String::from("refinement"),
-                    String::from("span"),
-                ],
-            ),
-        ]
-    );
-}
-
-// ValueBody mirror audit: on-disk `src/v3/std/substrate.dag` `type ValueBody` vs `dag::ValueBody`
-// (Evaluator retirement / R3 debt paydown #1531). Complements `sum_variants(…, "ValueBody")` above.
-const SUBSTRATE_VALUEBODY_SOURCE: &str =
-    concat!(env!("CARGO_MANIFEST_DIR"), "/../std/substrate.dag");
-
-fn substrate_value_body_constructors_from_source() -> Vec<String> {
-    let substrate = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/../std/substrate.dag"));
-    let start = substrate
-        .find("type ValueBody")
-        .unwrap_or_else(|| panic!("{SUBSTRATE_VALUEBODY_SOURCE}: missing `type ValueBody`"));
-    let tail = &substrate[start..];
-    let end = tail.find("\n// Type substrate.").unwrap_or_else(|| {
-        panic!("{SUBSTRATE_VALUEBODY_SOURCE}: missing `// Type substrate.` after ValueBody")
-    });
-    let block = &tail[..end];
-    let mut out = Vec::new();
-    for line in block.lines() {
-        let t = line.trim_start();
-        if !(t.starts_with('=') || t.starts_with('|')) {
-            continue;
-        }
-        let rest = t.trim_start_matches(['=', '|']).trim_start();
-        let name = rest
-            .split(|c: char| c == '(' || c == '{' || c.is_whitespace())
-            .next()
-            .filter(|s| !s.is_empty())
-            .unwrap_or_else(|| {
-                panic!("{SUBSTRATE_VALUEBODY_SOURCE}: malformed ValueBody variant line: {line:?}")
-            });
-        out.push(name.to_string());
-    }
-    out
-}
-
-fn rust_value_body_variant_tag(body: &ValueBody) -> &'static str {
-    match body {
-        ValueBody::Unparsed(_) => "Unparsed",
-        ValueBody::Structural { .. } => "Structural",
-        ValueBody::Scalar(_) => "Scalar",
-        ValueBody::List(_) => "List",
-        ValueBody::Map(_) => "Map",
-    }
-}
-
-fn sample_value_body_instances_covering_all_rust_variants() -> Vec<ValueBody> {
-    let span = SourceSpan::new("m2_value_body_mirror_audit.v3", 0, 1);
-    vec![
-        ValueBody::Unparsed(span),
-        ValueBody::Structural { fields: Vec::new() },
-        ValueBody::Scalar(literal_bits_int(0)),
-        ValueBody::List(Vec::new()),
-        ValueBody::Map(FieldMap::from_entries(Vec::new()).expect("empty FieldMap")),
-    ]
-}
-
-#[test]
-fn substrate_value_body_sum_matches_parsed_constructors() {
-    let parsed = substrate_value_body_constructors_from_source();
-    assert_eq!(
-        parsed,
-        vec![
-            "ValueBodyUnparsed".to_string(),
-            "ValueBodyStructural".to_string(),
-            "ValueBodyScalar".to_string(),
-            "ValueBodyList".to_string(),
-            "ValueBodyMap".to_string(),
-        ],
-        "`{SUBSTRATE_VALUEBODY_SOURCE}` `type ValueBody` must expose the canonical five-constructor carrier; update this ratchet when the sum changes"
-    );
-}
-
-#[test]
-fn rust_value_body_runtime_variants_are_exhaustively_tagged() {
-    let tags: HashSet<&str> = sample_value_body_instances_covering_all_rust_variants()
-        .iter()
-        .map(|b| rust_value_body_variant_tag(b))
-        .collect();
-    assert_eq!(
-        tags,
-        HashSet::from(["Unparsed", "Structural", "Scalar", "List", "Map"]),
-        "dag::ValueBody gained/lost a variant — update rust_value_body_variant_tag + this test"
-    );
-}
-
-#[test]
-fn value_body_substrate_rust_mirror_audit_documents_known_gap() {
-    let substrate_constructors = substrate_value_body_constructors_from_source();
-    let rust_tags: HashSet<&str> = sample_value_body_instances_covering_all_rust_variants()
-        .iter()
-        .map(|b| rust_value_body_variant_tag(b))
-        .collect();
-
-    assert_eq!(substrate_constructors.len(), 5);
-    assert_eq!(rust_tags.len(), 5);
-    assert!(
-        substrate_constructors.contains(&"ValueBodyScalar".to_string())
-            && substrate_constructors.contains(&"ValueBodyList".to_string()),
-        "substrate carries Scalar/List top-level bodies; Rust mirror must stay generated from it"
-    );
-}
-
-#[test]
-fn cardinality_bound_projects_to_interval_parent() {
-    assert_eq!(
-        CardinalityBound::Exact(3).interval(),
-        Interval::BoundedInterval {
-            lower: 3,
-            width: IntervalWidth::ZeroWidth,
-        }
-    );
-    assert_eq!(
-        CardinalityBound::AtMostOne.interval(),
-        Interval::BoundedInterval {
-            lower: 0,
-            width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::OneUnit),
-        }
-    );
-    assert_eq!(CardinalityBound::Unbounded.interval(), Interval::Unbounded);
-}
-
-#[test]
-fn bound_declaration_static_bound_wraps_interval_int() {
-    let dag = Dag::new();
-    let bound_declaration = dag
-        .declaration_by_name("BoundDeclaration")
-        .expect("BoundDeclaration missing from substrate bootstrap");
-    assert_eq!(
-        bound_declaration.span.file, "src/v3/std/substrate.dag",
-        "BoundDeclaration is the substrate carrier consumed by Coercion-Fold; \
-         parser/lowerer and target-row population land in later slices"
-    );
-
-    let variants = match &bound_declaration.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("BoundDeclaration must be a Disj, got {other:?}"),
-    };
-    let static_bound = variants
-        .iter()
-        .find(|variant| variant.label == "StaticBound")
-        .expect("BoundDeclaration missing StaticBound variant");
-    let platform_dependent = variants
-        .iter()
-        .find(|variant| variant.label == "PlatformDependent")
-        .expect("BoundDeclaration missing PlatformDependent variant");
-
-    assert_runtime_value_instantiation(
-        &dag,
-        positional_payload(&dag, static_bound.ty),
-        "Interval",
-        "Int",
-    );
-    assert!(
-        matches!(
-            &dag.declaration(platform_dependent.ty).connective,
-            TypeConnective::Conj { children } if children.is_empty()
-        ),
-        "PlatformDependent must remain a distinct no-payload kind, not an \
-         Interval<Int> value"
-    );
-}
-
-#[test]
-fn target_integer_type_inhabitance_rows_are_structural_slice_b_receipt() {
-    // Full-bootstrap `infer` can overflow the default test thread stack on some hosts;
-    // mirror `positive_interval_width_unit_count_rejects_negative_units_literal`.
-    std::thread::Builder::new()
-        .stack_size(8 * 1024 * 1024)
-        .spawn(|| {
-            let dag = Dag::new();
-            assert!(
-                dag.diagnostics().is_empty(),
-                "bootstrap diagnostics: {:?}",
-                dag.diagnostics()
-            );
-            let meta = dag
-                .declaration_by_name("TargetIntegerTypeInhabitance")
-                .expect("TargetIntegerTypeInhabitance meta");
-            let mut rows: Vec<&str> = Vec::new();
-            for decl in dag.declarations() {
-                if decl.meta_tag != Some(meta.id) {
-                    continue;
-                }
-                let name = decl.name.as_deref().expect("named inhabitance data row");
-                rows.push(name);
-                assert!(
-                    matches!(&decl.value_body, Some(ValueBody::Structural { .. })),
-                    "`{name}` must lower as ValueBody::Structural (Coercion-Fold Slice B); got {:?}",
-                    decl.value_body
-                );
-            }
-            assert!(
-                rows.len() >= 8,
-                "expected Rust/Python/Go TargetIntegerTypeInhabitance population; got {:?}",
-                rows
-            );
-            assert!(
-                rows.contains(&"go_integer_inhabit_int_platform_dependent"),
-                "expected Track B Go native `int` inhabitance row (PlatformDependentFact); got {:?}",
-                rows
-            );
-        })
-        .expect("spawn structural slice B receipt test thread")
-        .join()
-        .expect("structural slice B receipt test thread panicked");
-}
-
-#[test]
-fn positive_interval_width_unit_count_rejects_negative_units_literal() {
-    // Full-bootstrap `infer` can overflow the default test thread stack on some hosts;
-    // mirror v2 integration tests by giving this compile a dedicated larger stack.
-    let hit = std::thread::Builder::new()
-        .stack_size(8 * 1024 * 1024)
-        .spawn(|| {
-            let source = "module test_negative_unit_count\n\n\
-import v3.std.substrate { PositiveIntervalWidth }\n\n\
-type Holder {\n\
-  w: PositiveIntervalWidth\n\
-}\n\n\
-data bad: Holder = { w: UnitCount { units: -1 } }\n";
-            let dag = semantic_dag_for(source, "positive_interval_unit_count_negative.v3");
-            let expected =
-                positive_interval_width_unit_count_requires_nonnegative_units_literal_message("-1");
-            let hit = dag
-                .diagnostics()
-                .iter()
-                .any(|(_, diagnostic)| match diagnostic {
-                    Diagnostic::MagnitudeOutOfRange { literal, .. } => literal == "-1",
-                    Diagnostic::ResolveError { name, .. } => name == &expected,
-                    _ => false,
-                });
-            hit
-        })
-        .expect("spawn unit_count negative test thread")
-        .join()
-        .expect("unit_count negative test thread panicked");
-    assert!(
-        hit,
-        "expected UnitCount.units=-1 to fail (Nat magnitude gate or enforce fallback)"
-    );
-}
-
-#[test]
-fn rust_dag_realizes_reflected_substrate_types() {
-    let dag = Dag::new();
-    let type_realization_meta = find_named(&dag, "TypeRealization");
-    for name in [
-        "FieldEntry",
-        "TypeShape",
-        "DagPort",
-        "Dag",
-        "Declaration",
-        "TemplateArgument",
-        "Interval",
-        "PositiveIntervalWidth",
-        "IntervalWidth",
-        "PhantomParameter",
-        "FieldValue",
-        "ValueBody",
-        "TransformTarget",
-        "Behavior",
-        "ArithmeticOp",
-        "ComparisonOp",
-        "LogicalOp",
-        "OperatorKind",
-        "PayloadBinding",
-        "BranchPath",
-        "NonEmptyList",
-        "NonSingletonList",
-        "ElementRef",
-        "ParamRef",
-        "TransformRef",
-        "MemberDescent",
-        "IntraClusterCall",
-        "Cluster",
-        "LoopBound",
-        "ValueNode",
-        "TransformNode",
-        "BranchNode",
-        "LoopNode",
-        "BindNode",
-        "SurfaceModule",
-        "SurfaceItem",
-        "SurfaceParam",
-        "SurfaceField",
-        "SurfaceVariant",
-        "VariantPayload",
-        "SurfaceType",
-        "SurfaceRecordField",
-        "SurfaceMapEntry",
-        "SurfaceMatchArm",
-        "SurfacePatternField",
-        "SurfacePattern",
-        "SurfaceLiteral",
-        "SurfaceExpr",
-    ] {
-        let target = find_named(&dag, name);
-        let realized = dag.declarations().iter().find(|decl| {
-            decl.meta_tag == Some(type_realization_meta)
-                && matches!(
-                    &decl.value_body,
-                    Some(ValueBody::Structural { fields })
-                        if matches!(
-                            fields.iter().find(|(label, _)| label == "target").map(|(_, value)| value),
-                            Some(FieldValue::Reference(id)) if *id == target
-                        )
-                )
-        });
-        assert!(
-            realized.is_some(),
-            "expected a TypeRealization entry targeting `{name}`"
-        );
-    }
-}
-
-#[test]
-fn all_target_languages_realize_reflected_surface_types() {
-    let dag = Dag::new();
-    let type_realization_meta = find_named(&dag, "TypeRealization");
-    let languages = [
-        find_named(&dag, "rust_language"),
-        find_named(&dag, "go_language"),
-        find_named(&dag, "python_language"),
-    ];
-
-    for name in [
-        "SurfaceModule",
-        "SurfaceItem",
-        "SurfaceParam",
-        "SurfaceField",
-        "SurfaceVariant",
-        "VariantPayload",
-        "SurfaceType",
-        "SurfaceRecordField",
-        "SurfaceMapEntry",
-        "SurfaceMatchArm",
-        "SurfacePatternField",
-        "SurfacePattern",
-        "SurfaceLiteral",
-        "SurfaceExpr",
-    ] {
-        let target = find_named(&dag, name);
-        for language in languages {
-            let realized = dag.declarations().iter().find(|decl| {
-                decl.meta_tag == Some(type_realization_meta)
-                    && structural_reference_field(decl, "target") == Some(target)
-                    && structural_reference_field(decl, "language") == Some(language)
-            });
-            assert!(
-                realized.is_some(),
-                "expected `{name}` to have a TypeRealization for language declaration {language:?}"
-            );
-        }
-    }
-}
-
-#[test]
-fn parse_sum_type_first_variant_may_be_named_inhabits() {
-    let source = "type T = inhabits | Other\n";
-    let tokens = tokenize_for_test(source, "kw_variant_sum.v3").expect("tokenize");
-    let parsed = parse_for_test(&tokens, "kw_variant_sum.v3").expect("parse");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    assert_eq!(mirrored.items.len(), 1);
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeSum { name, variants, .. } => {
-            assert_eq!(name, "T");
-            assert_eq!(variants.len(), 2);
-            assert_eq!(variants[0].name, "inhabits");
-            assert_eq!(variants[1].name, "Other");
-        }
-        other => panic!("expected TypeSum, got {other:?}"),
-    }
-}
-
-#[test]
-fn parse_sum_type_first_variant_may_be_named_type_keyword() {
-    let source = "type T = type | Other\n";
-    let tokens = tokenize_for_test(source, "kw_type_variant_sum.v3").expect("tokenize");
-    let parsed = parse_for_test(&tokens, "kw_type_variant_sum.v3").expect("parse");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    assert_eq!(mirrored.items.len(), 1);
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeSum { name, variants, .. } => {
-            assert_eq!(name, "T");
-            assert_eq!(variants.len(), 2);
-            assert_eq!(variants[0].name, "type");
-            assert_eq!(variants[1].name, "Other");
-        }
-        other => panic!("expected TypeSum, got {other:?}"),
-    }
-}
-
-/// PR-A.3: single-variant sum with record payload — no top-level `|` before `{`.
-#[test]
-fn parse_single_variant_sum_record_payload_without_pipe() {
-    let source = concat!(
-        "type EvalStrategy = ApplicativeOrder { input_order: InputEvaluationOrder }\n",
-        "type InputEvaluationOrder = LeftFirst\n",
-    );
-    let tokens = tokenize_for_test(source, "pr_a3_eval_strategy.v3").expect("tokenize");
-    let parsed = parse_for_test(&tokens, "pr_a3_eval_strategy.v3").expect("parse");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    assert_eq!(mirrored.items.len(), 2);
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeSum { name, variants, .. } => {
-            assert_eq!(name, "EvalStrategy");
-            assert_eq!(variants.len(), 1);
-            assert_eq!(variants[0].name, "ApplicativeOrder");
-            assert!(matches!(
-                &variants[0].payload,
-                parse_surface::VariantPayload::Record(fields)
-                    if fields.len() == 1 && fields[0].name == "input_order"
-            ));
-        }
-        other => panic!("expected TypeSum EvalStrategy, got {other:?}"),
-    }
-    match &mirrored.items[1] {
-        parse_surface::SurfaceItem::TypeSum { name, variants, .. } => {
-            assert_eq!(name, "InputEvaluationOrder");
-            assert_eq!(variants.len(), 1);
-            assert_eq!(variants[0].name, "LeftFirst");
-            assert!(matches!(
-                &variants[0].payload,
-                parse_surface::VariantPayload::Positional(ps) if ps.is_empty()
-            ));
-        }
-        other => panic!("expected TypeSum InputEvaluationOrder, got {other:?}"),
-    }
-}
-
-/// PR-A.3 alias preservation: bare RHS names that resolve to imports or sibling
-/// declarations remain aliases rather than being reclassified as nullary sums.
-#[test]
-fn parse_bare_rhs_alias_reference_stays_type_alias() {
-    let source = concat!(
-        "import std.types { String }\n",
-        "type LocalString = String\n",
-        "type Forward = Later\n",
-        "type Later = Only\n",
-        "type Id<T> = T\n",
-        "type Bad = T\n",
-    );
-    let tokens = tokenize_for_test(source, "pr_a3_alias_preservation.v3").expect("tokenize");
-    let parsed = parse_for_test(&tokens, "pr_a3_alias_preservation.v3").expect("parse");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    assert_eq!(mirrored.items.len(), 6);
-    match &mirrored.items[1] {
-        parse_surface::SurfaceItem::TypeAlias { name, .. } => {
-            assert_eq!(name, "LocalString");
-        }
-        other => panic!("expected imported bare RHS to stay TypeAlias, got {other:?}"),
-    }
-    match &mirrored.items[2] {
-        parse_surface::SurfaceItem::TypeAlias { name, .. } => {
-            assert_eq!(name, "Forward");
-        }
-        other => panic!("expected sibling bare RHS to stay TypeAlias, got {other:?}"),
-    }
-    match &mirrored.items[3] {
-        parse_surface::SurfaceItem::TypeSum { name, variants, .. } => {
-            assert_eq!(name, "Later");
-            assert_eq!(variants.len(), 1);
-            assert_eq!(variants[0].name, "Only");
-        }
-        other => panic!("expected unresolved bare RHS to parse as TypeSum, got {other:?}"),
-    }
-    match &mirrored.items[4] {
-        parse_surface::SurfaceItem::TypeAlias {
-            name,
-            type_params,
-            target,
-            ..
-        } => {
-            assert_eq!(name, "Id");
-            assert_eq!(type_params, &[String::from("T")]);
-            assert!(matches!(
-                target,
-                parse_surface::SurfaceType::Named { name, .. } if name == "T"
-            ));
-        }
-        other => panic!("expected type-param bare RHS to stay TypeAlias, got {other:?}"),
-    }
-    match &mirrored.items[5] {
-        parse_surface::SurfaceItem::TypeSum { name, variants, .. } => {
-            assert_eq!(name, "Bad");
-            assert_eq!(variants.len(), 1);
-            assert_eq!(variants[0].name, "T");
-        }
-        other => panic!("expected out-of-scope type param RHS to parse as TypeSum, got {other:?}"),
-    }
-}
-
-/// Optional leading `|` before the first variant (same sum path as `A | B`).
-#[test]
-fn parse_sum_type_optional_leading_pipe_before_first_variant() {
-    let source = "type T = | Only\n";
-    let tokens = tokenize_for_test(source, "leading_pipe_sum.v3").expect("tokenize");
-    let parsed = parse_for_test(&tokens, "leading_pipe_sum.v3").expect("parse");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeSum { name, variants, .. } => {
-            assert_eq!(name, "T");
-            assert_eq!(variants.len(), 1);
-            assert_eq!(variants[0].name, "Only");
-        }
-        other => panic!("expected TypeSum, got {other:?}"),
-    }
-}
-
-/// Regression: `type … inhabits … =` is v3 surface-only (std `types.dag` stays
-/// v2-shaped); this pins the parser + `rhs_is_sum` lookahead for the clause.
-#[test]
-fn parse_type_inhabits_clause_with_parameterized_algebra_and_sum_rhs() {
-    let source = concat!(
-        "type Widget<T> inhabits AlgebraExpr<T> = ",
-        "Leaf | Node { left: Widget<T>; right: Widget<T> }\n",
-    );
-    let tokens =
-        tokenize_for_test(source, "inhabits_sum_surface.v3").expect("tokenize inhabits sum");
-    let parsed = parse_for_test(&tokens, "inhabits_sum_surface.v3").expect("parse inhabits sum");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    assert_eq!(mirrored.items.len(), 1);
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeSum {
-            name,
-            type_params,
-            variants,
-            inhabits,
-            ..
-        } => {
-            assert_eq!(name, "Widget");
-            assert_eq!(type_params, &[String::from("T")]);
-            let inh = inhabits
-                .as_ref()
-                .expect("inhabits clause should surface on TypeSum");
-            assert!(matches!(
-                inh,
-                parse_surface::SurfaceType::Parameterized { name, args, .. }
-                    if name == "AlgebraExpr"
-                        && args.len() == 1
-                        && matches!(
-                            &args[0],
-                            parse_surface::TypeAngleArg::TypeExpr { ty }
-                                if matches!(ty.as_ref(), parse_surface::SurfaceType::Named { name, .. } if name == "T")
-                        )
-            ));
-            assert_eq!(variants.len(), 2);
-            assert_eq!(variants[0].name, "Leaf");
-            assert_eq!(variants[1].name, "Node");
-            assert!(matches!(
-                &variants[1].payload,
-                parse_surface::VariantPayload::Record(fields)
-                    if fields.len() == 2
-                        && fields[0].name == "left"
-                        && fields[1].name == "right"
-            ));
-        }
-        other => panic!("expected TypeSum with inhabits, got {other:?}"),
-    }
-}
-
-#[test]
-fn parse_type_inhabits_clause_rejects_non_sum_rhs() {
-    let source = "type T inhabits Algebra = Int\n";
-    let tokens =
-        tokenize_for_test(source, "inhabits_alias_reject.v3").expect("tokenize inhabits alias");
-    let err = parse_for_test(&tokens, "inhabits_alias_reject.v3")
-        .expect_err("non-sum RHS with inhabits must be rejected");
-    match err {
-        Diagnostic::ParseError { message, .. } => {
-            assert!(
-                message.contains("inhabits") && message.contains("sum"),
-                "unexpected parse diagnostic: {message}"
-            );
-        }
-        other => panic!("expected ParseError, got {other:?}"),
-    }
-}
-
-#[test]
-fn parse_type_nominal_opaque_clause_marks_alias_surface() {
-    let source = "type Token nominal_opaque = String\n";
-    let tokens =
-        tokenize_for_test(source, "nominal_opaque_alias.v3").expect("tokenize nominal_opaque");
-    let parsed =
-        parse_for_test(&tokens, "nominal_opaque_alias.v3").expect("parse nominal_opaque alias");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    assert_eq!(mirrored.items.len(), 1);
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeAlias {
-            name,
-            nominal_opaque,
-            target,
-            ..
-        } => {
-            assert_eq!(name, "Token");
-            assert!(*nominal_opaque);
-            assert!(matches!(
-                target,
-                parse_surface::SurfaceType::Named { name, .. } if name == "String"
-            ));
-        }
-        other => panic!("expected TypeAlias with nominal_opaque, got {other:?}"),
-    }
-}
-
-#[test]
-fn parse_type_nominal_opaque_rejects_sum_rhs() {
-    let source = "type Token nominal_opaque = Plain | Redacted\n";
-    let tokens =
-        tokenize_for_test(source, "nominal_opaque_sum_reject.v3").expect("tokenize nominal sum");
-    let err = parse_for_test(&tokens, "nominal_opaque_sum_reject.v3")
-        .expect_err("nominal_opaque sum RHS must be rejected");
-    match err {
-        Diagnostic::ParseError { .. } => {}
-        other => panic!("expected ParseError, got {other:?}"),
-    }
-}
-
-#[test]
-fn lower_type_nominal_opaque_clause_sets_declaration_carrier() {
-    let source = "type NominalOpaqueFixture nominal_opaque = String\n";
-    let dag = compile_to_dag(source, "nominal_opaque_lower.v3").expect("compile nominal_opaque");
-    let token = dag
-        .declaration_by_name("NominalOpaqueFixture")
-        .expect("NominalOpaqueFixture declaration should lower");
-    assert!(
-        token.nominal_opacity.is_some(),
-        "nominal_opaque source marker must lower to Declaration.nominal_opacity"
-    );
-}
-
-/// `inhabits` is not in `dag_keyword_set` (shared syntax): it must tokenize as
-/// an ordinary identifier so it can spell a declared type name — distinct from
-/// the `type <Name> inhabits <Ty> = …` clause introducer.
-#[test]
-fn parse_type_declared_name_may_be_inhabits_sum() {
-    let source = "type inhabits = True | False\n";
-    let tokens =
-        tokenize_for_test(source, "type_named_inhabits.v3").expect("tokenize type_named_inhabits");
-    let parsed =
-        parse_for_test(&tokens, "type_named_inhabits.v3").expect("parse type_named_inhabits");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-    assert_eq!(mirrored.items.len(), 1);
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeSum {
-            name,
-            variants,
-            inhabits,
-            ..
-        } => {
-            assert_eq!(name, "inhabits");
-            assert!(inhabits.is_none());
-            assert_eq!(variants.len(), 2);
-            assert_eq!(variants[0].name, "True");
-            assert_eq!(variants[1].name, "False");
-        }
-        other => panic!("expected TypeSum, got {other:?}"),
-    }
-}
-
-#[test]
-fn parse_surface_generated_module_consumes_parser_output_structurally() {
-    let source = "fn id<T>(x: T where x == x) -> T = x\nlet y = if true then id(1) else 2";
-    let tokens = tokenize_for_test(source, "surface_reflection.v3").expect("tokenize source");
-    let parsed = parse_for_test(&tokens, "surface_reflection.v3").expect("parse source");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-
-    assert_eq!(mirrored.items.len(), 2);
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::Fn {
-            name,
-            type_params,
-            params,
-            return_type,
-            body,
-            ..
-        } => {
-            assert_eq!(name, "id");
-            assert_eq!(type_params, &vec![String::from("T")]);
-            assert_eq!(params.len(), 1);
-            assert!(matches!(
-                params[0].refinement,
-                Some(parse_surface::SurfaceExpr::Operator { .. })
-            ));
-            assert!(matches!(
-                return_type,
-                parse_surface::SurfaceType::Named { name, .. } if name == "T"
-            ));
-            assert!(matches!(body, parse_surface::SurfaceExpr::Var { name, .. } if name == "x"));
-        }
-        other => panic!("expected reflected fn item, got {other:?}"),
-    }
-    match &mirrored.items[1] {
-        parse_surface::SurfaceItem::Let { expr, .. } => {
-            assert!(matches!(expr, parse_surface::SurfaceExpr::If { .. }));
-        }
-        other => panic!("expected reflected let item, got {other:?}"),
-    }
-}
-
-#[test]
-fn parse_surface_generated_module_covers_recursive_surface_shapes() {
-    let source = "\
-type Point { x: Int }\n\
-type Wrapped = Wrap { inner: Point } | Empty\n\
-fn unwrap_or_zero(w: Wrapped) -> Int = match w { Wrap { inner: point } => point.x, Empty => 0 }\n\
-let yes = true\n\
-let note = \"ok\"\n";
-    let tokens = tokenize_for_test(source, "surface_reflection_recursive.v3").expect("tokenize");
-    let parsed = parse_for_test(&tokens, "surface_reflection_recursive.v3").expect("parse");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-
-    assert_eq!(mirrored.items.len(), 5);
-
-    match &mirrored.items[0] {
-        parse_surface::SurfaceItem::TypeRecord {
-            name,
-            fields,
-            type_params,
-            ..
-        } => {
-            assert_eq!(name, "Point");
-            assert!(type_params.is_empty());
-            assert_eq!(fields.len(), 1);
-            assert_eq!(fields[0].name, "x");
-            assert!(matches!(
-                fields[0].ty,
-                parse_surface::SurfaceType::Named { ref name, .. } if name == "Int"
-            ));
-        }
-        other => panic!("expected reflected type record, got {other:?}"),
-    }
-
-    match &mirrored.items[1] {
-        parse_surface::SurfaceItem::TypeSum {
-            name,
-            variants,
-            type_params,
-            ..
-        } => {
-            assert_eq!(name, "Wrapped");
-            assert!(type_params.is_empty());
-            assert_eq!(variants.len(), 2);
-            assert_eq!(variants[0].name, "Wrap");
-            assert!(matches!(
-                &variants[0].payload,
-                parse_surface::VariantPayload::Record(fields)
-                    if fields.len() == 1 && fields[0].name == "inner"
-            ));
-            assert_eq!(variants[1].name, "Empty");
-            assert!(matches!(
-                &variants[1].payload,
-                parse_surface::VariantPayload::Positional(fields) if fields.is_empty()
-            ));
-        }
-        other => panic!("expected reflected type sum, got {other:?}"),
-    }
-
-    match &mirrored.items[2] {
-        parse_surface::SurfaceItem::Fn {
-            body, return_type, ..
-        } => {
-            assert!(matches!(
-                return_type,
-                parse_surface::SurfaceType::Named { name, .. } if name == "Int"
-            ));
-            match body {
-                parse_surface::SurfaceExpr::Match { arms, .. } => {
-                    assert_eq!(arms.len(), 2);
-                    assert!(matches!(
-                        &arms[0].pattern,
-                        parse_surface::SurfacePattern::VariantFields { name, fields, .. }
-                            if name == "Wrap"
-                                && fields.len() == 1
-                                && fields[0].name == "inner"
-                                && fields[0].binding == "point"
-                    ));
-                    assert!(matches!(
-                        &arms[0].body,
-                        parse_surface::SurfaceExpr::Path { segments, .. }
-                            if segments == &vec![String::from("point"), String::from("x")]
-                    ));
-                    assert!(matches!(
-                        &arms[1].pattern,
-                        parse_surface::SurfacePattern::BareVariant { name, .. } if name == "Empty"
-                    ));
-                    assert!(matches!(
-                        &arms[1].body,
-                        parse_surface::SurfaceExpr::Literal { value, .. }
-                            if matches!(value, parse_surface::SurfaceLiteral::Int(s) if s == "0")
-                    ));
-                }
-                other => panic!("expected reflected match expr, got {other:?}"),
-            }
-        }
-        other => panic!("expected reflected fn item, got {other:?}"),
-    }
-
-    match &mirrored.items[3] {
-        parse_surface::SurfaceItem::Let { name, expr, .. } => {
-            assert_eq!(name, "yes");
-            assert!(matches!(
-                expr,
-                parse_surface::SurfaceExpr::Literal {
-                    value: parse_surface::SurfaceLiteral::Bool(true),
-                    ..
-                }
-            ));
-        }
-        other => panic!("expected bool let, got {other:?}"),
-    }
-
-    match &mirrored.items[4] {
-        parse_surface::SurfaceItem::Let { name, expr, .. } => {
-            assert_eq!(name, "note");
-            assert!(matches!(
-                expr,
-                parse_surface::SurfaceExpr::Literal {
-                    value: parse_surface::SurfaceLiteral::String(s),
-                    ..
-                } if s == "ok"
-            ));
-        }
-        other => panic!("expected string let, got {other:?}"),
-    }
-}
-
-/// Parser sub-lane smoke test: a `kernel_algebra_profile`-shaped data
-/// declaration parses into `SurfaceItem::Data` whose body is a
-/// `SurfaceExpr::Map` with the asserted entries. Routes through
-/// `parse_data_item` → `looks_like_map_literal` (`{ String :` lookahead)
-/// → `parse_map_literal`; lowering then carries the entries as
-/// `ValueBody::Map`.
-#[test]
-fn map_body_data_item_parses_and_lowers_to_value_body_map() {
-    let source = "data kernel_algebra_profile: Map<String, AlgebraProfile> = {\n  \"Int\": OrderedRingProfile,\n  \"Float\": ApproximateFieldProfile,\n  \"Bool\": BooleanAlgebraProfile,\n  \"String\": FreeMonoidScalarProfile,\n  \"List\": FreeMonoidCollectionProfile,\n  \"Set\": BooleanAlgebraCollectionProfile,\n  \"Map\": PartialFunctionProfile\n}\n";
-    let expected: Vec<(&str, &str)> = vec![
-        ("Int", "OrderedRingProfile"),
-        ("Float", "ApproximateFieldProfile"),
-        ("Bool", "BooleanAlgebraProfile"),
-        ("String", "FreeMonoidScalarProfile"),
-        ("List", "FreeMonoidCollectionProfile"),
-        ("Set", "BooleanAlgebraCollectionProfile"),
-        ("Map", "PartialFunctionProfile"),
-    ];
-
-    let tokens = tokenize_for_test(source, "map_literal_data.v3").expect("tokenize");
-    let parsed = parse_for_test(&tokens, "map_literal_data.v3").expect("parse map-literal data");
-    assert_eq!(parsed.items.len(), 1);
-    match &parsed.items[0] {
-        parse_surface::SurfaceItem::Data {
-            name,
-            body: Some(parse_surface::SurfaceExpr::Map { entries, .. }),
-            ..
-        } => {
-            assert_eq!(name, "kernel_algebra_profile");
-            assert_eq!(entries.len(), expected.len());
-            for (entry, (expected_key, expected_value_var)) in entries.iter().zip(expected.iter()) {
-                assert_eq!(&entry.key, expected_key);
-                match &entry.value {
-                    parse_surface::SurfaceExpr::Var { name, .. } => {
-                        assert_eq!(name, expected_value_var);
-                    }
-                    other => panic!(
-                        "expected map entry value to be SurfaceExpr::Var({expected_value_var}), got {other:?}"
-                    ),
-                }
-            }
-        }
-        other => panic!("expected SurfaceItem::Data with SurfaceExpr::Map body, got {other:?}"),
-    }
-
-    let dag = compile_to_dag(source, "map_literal_data.v3").expect("lower map-literal data");
-    let algebra_profile = dag
-        .declaration_by_name("AlgebraProfile")
-        .expect("AlgebraProfile exists");
-    let v3_compiler::dag::TypeConnective::Disj { variants } = &algebra_profile.connective else {
-        panic!("expected AlgebraProfile to be a sum type");
-    };
-    let decl = dag
-        .declaration_by_name("kernel_algebra_profile")
-        .expect("kernel_algebra_profile declaration exists");
-    let Some(ValueBody::Map(entries)) = &decl.value_body else {
-        panic!(
-            "expected kernel_algebra_profile to lower to ValueBody::Map, got {:?}",
-            decl.value_body
-        );
-    };
-    assert_eq!(entries.entries().len(), expected.len());
-    for ((key, value), (expected_key, expected_value_name)) in
-        entries.entries().iter().zip(expected.iter())
-    {
-        assert_eq!(key, expected_key);
-        let expected_variant = variants
-            .iter()
-            .find(|variant| variant.label == *expected_value_name)
-            .unwrap_or_else(|| panic!("missing AlgebraProfile variant {expected_value_name}"));
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = value
-        else {
-            panic!("expected map value for {key} to lower as FieldValue::Variant, got {value:?}");
-        };
-        assert_eq!(
-            *constructor, expected_variant.ty,
-            "map value for {key} should reference AlgebraProfile::{expected_value_name}"
-        );
-        assert!(
-            payload.is_empty(),
-            "map value for {key} should use the zero-payload AlgebraProfile::{expected_value_name} constructor"
-        );
-    }
-}
-
-#[test]
-fn map_body_duplicate_keys_fail_closed() {
-    let dag = semantic_dag_for(
-        "data duplicate_keys: Map<String, Bool> = {\n  \"same\": true,\n  \"same\": false\n}\n",
-        "map_duplicate_keys.v3",
-    );
-    let decl = dag
-        .declaration_by_name("duplicate_keys")
-        .expect("duplicate_keys declaration should be allocated before lowering fails");
-
-    assert!(
-        has_resolve_error(&dag),
-        "expected duplicate-key lowering to report a ResolveError, got {:?}",
-        dag.diagnostics()
-    );
-    assert!(
-        !matches!(decl.value_body, Some(ValueBody::Map(_))),
-        "duplicate-key map must not construct ValueBody::Map, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn record_body_duplicate_fields_fail_closed() {
-    let src = "type Pair { a: Int, b: Int }\n\
-         data duplicate_fields: Pair = { a: 1, a: 2, b: 3 }\n";
-    let dag = semantic_dag_for(src, "record_duplicate_fields.v3");
-    let decl = dag
-        .declaration_by_name("duplicate_fields")
-        .expect("duplicate_fields declaration should be allocated before lowering fails");
-    let duplicate_span = u32::try_from(src.find("a: 2").expect("fixture includes repeated field"))
-        .expect("fixture span fits in SourceSpan");
-
-    assert!(
-        dag.diagnostics().iter().any(|(_, diagnostic)| {
-            matches!(
-                diagnostic,
-                Diagnostic::ResolveError { name, span, .. }
-                    if name == "data `duplicate_fields` record body repeats field `a`"
-                        && span.file == "record_duplicate_fields.v3"
-                        && span.byte_start == duplicate_span
-                        && duplicate_span < span.byte_end
-            )
-        }),
-        "expected duplicate-field lowering diagnostic anchored to second `a`, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    assert!(
-        !matches!(decl.value_body, Some(ValueBody::Structural { .. })),
-        "duplicate-field record must not construct ValueBody::Structural, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn nested_record_body_duplicate_fields_fail_closed() {
-    let dag = semantic_dag_for(
-        "type Inner { a: Int, b: Int }\n\
-         type Outer { inner: Inner, tag: Int }\n\
-         data duplicate_nested_fields: Outer = { inner: { a: 1, a: 2, b: 3 }, tag: 0 }\n",
-        "nested_record_duplicate_fields.v3",
-    );
-    let decl = dag
-        .declaration_by_name("duplicate_nested_fields")
-        .expect("duplicate_nested_fields declaration should be allocated before lowering fails");
-
-    assert!(
-        has_resolve_error(&dag),
-        "expected nested duplicate-field lowering to report a ResolveError, got {:?}",
-        dag.diagnostics()
-    );
-    assert!(
-        !matches!(decl.value_body, Some(ValueBody::Structural { .. })),
-        "duplicate nested record must not construct ValueBody::Structural, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn data_body_named_variant_duplicate_payload_fields_fail_closed() {
-    let dag = semantic_dag_for(
-        "type Status = Ready { code: Int, retry: Bool } | Blocked\n\
-         type Job { status: Status }\n\
-         data duplicate_variant_payload_fields: Job = { status: Ready { code: 1, code: 2, retry: false } }\n",
-        "data_body_named_variant_duplicate_payload_fields.v3",
-    );
-    let decl = dag
-        .declaration_by_name("duplicate_variant_payload_fields")
-        .expect(
-        "duplicate_variant_payload_fields declaration should be allocated before lowering fails",
-    );
-
-    assert!(
-        has_resolve_error(&dag),
-        "expected named-variant duplicate payload field lowering to report a ResolveError, got {:?}",
-        dag.diagnostics()
-    );
-    assert!(
-        !matches!(decl.value_body, Some(ValueBody::Structural { .. })),
-        "duplicate named-variant payload must not construct ValueBody::Structural, got {:?}",
-        decl.value_body
-    );
-}
-
-#[test]
-fn expr_named_variant_duplicate_payload_fields_fail_closed() {
-    let dag = semantic_dag_for(
-        "type Status = Ready { code: Int, retry: Bool } | Blocked\n\
-         fn make_status() -> Status =\n\
-           Ready { code: 1, code: 2, retry: false }\n",
-        "expr_named_variant_duplicate_payload_fields.v3",
-    );
-    assert!(
-        has_resolve_error(&dag),
-        "expected expression-position named-variant duplicate payload to report a ResolveError, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn map_body_on_non_map_type_fails_closed() {
-    let dag = semantic_dag_for(
-        "data not_a_map: Bool = {\n  \"x\": true\n}\n",
-        "map_body_non_map_type.v3",
-    );
-    let decl = dag
-        .declaration_by_name("not_a_map")
-        .expect("not_a_map declaration should be allocated before lowering fails");
-
-    assert!(
-        has_resolve_error(&dag),
-        "expected non-map body lowering to report a ResolveError, got {:?}",
-        dag.diagnostics()
-    );
-    assert!(
-        !matches!(decl.value_body, Some(ValueBody::Map(_))),
-        "non-map type must not construct ValueBody::Map, got {:?}",
-        decl.value_body
-    );
-}
-
-fn bin_shim_fields(dag: &Dag) -> Vec<(&str, v3_compiler::dag::DeclarationId)> {
-    let decl = dag
-        .declaration_by_name("BinShim")
-        .expect("`BinShim` missing from full bootstrap");
-    match &decl.connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .map(|field| (field.label.as_str(), field.ty))
-            .collect(),
-        other => panic!("`BinShim` must be a record carrier, got {other:?}"),
-    }
-}
-
-#[test]
-fn bin_shim_carrier_lives_in_v3_std_authority() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-    let decl = dag
-        .declaration_by_name("BinShim")
-        .expect("`BinShim` missing from full bootstrap");
-
-    assert_eq!(
-        decl.span.file, "src/v3/std/bin_shim.dag",
-        "`BinShim` carrier authority must stay in the staged v3 std surface; \
-         concrete shim rows belong under `dsl/std/runtime/bin_shims/`"
-    );
-}
-
-#[test]
-fn bin_shim_carrier_has_locked_three_field_shape() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-    let labels: Vec<&str> = bin_shim_fields(&dag)
-        .into_iter()
-        .map(|(label, _)| label)
-        .collect();
-
-    assert_eq!(
-        labels,
-        ["entrypoint_name", "description", "entry"],
-        "`BinShim` must remain metadata plus entry declaration; adding a \
-         pipeline-step DSL or extra emitter state requires a substrate \
-         amendment"
-    );
-}
-
-#[test]
-fn bin_shim_field_types_match_design_lock() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-    let fields = bin_shim_fields(&dag);
-
-    let expected = [
-        ("entrypoint_name", find_named(&dag, "NonEmptyStr")),
-        ("description", find_named(&dag, "String")),
-        ("entry", find_named(&dag, "DeclarationRef")),
-    ];
-
-    assert_eq!(
-        fields, expected,
-        "`BinShim.entry` stays a DeclarationRef to a .dag `() -> \
-         std.process.ProcessExit` function until DeclarationRef signature \
-         refinement lands"
-    );
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants
-            .iter()
-            .map(|variant| variant.label.clone())
-            .collect(),
-        other => panic!("`{name}` must be a Disj, got {other:?}"),
-    }
-}
-
-fn variant_payload_field_types(
-    dag: &Dag,
-    type_name: &str,
-    variant_name: &str,
-) -> Vec<(String, v3_compiler::dag::DeclarationId)> {
-    let decl = dag
-        .declaration_by_name(type_name)
-        .unwrap_or_else(|| panic!("`{type_name}` missing from full bootstrap"));
-    let variant_ty = match &decl.connective {
-        TypeConnective::Disj { variants } => {
-            variants
-                .iter()
-                .find(|variant| variant.label == variant_name)
-                .unwrap_or_else(|| panic!("`{type_name}` missing variant `{variant_name}`"))
-                .ty
-        }
-        other => panic!("`{type_name}` must be a Disj, got {other:?}"),
-    };
-    match &dag.declaration(variant_ty).connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .map(|field| (field.label.clone(), field.ty))
-            .collect(),
-        other => panic!("`{type_name}.{variant_name}` payload must be a Conj, got {other:?}"),
-    }
-}
-
-#[test]
-fn approximate_field_axes_live_in_v3_std_authority() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    for name in [
-        "RoundingMode",
-        "Precision",
-        "NanPolicy",
-        "InfinityPolicy",
-        "SignedZeroPolicy",
-        "SubnormalPolicy",
-        "SpecialValues",
-        "ApproximateField",
-    ] {
-        let decl = dag
-            .declaration_by_name(name)
-            .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-        assert_eq!(
-            decl.span.file, "src/v3/std/approximate_field.dag",
-            "`{name}` must stay in the single approximate-field authority module"
-        );
-    }
-}
-
-/// T-Numeric-Construction — `ApproximateField<F>` carrier introduction per 6Q audit
-/// (`SpecialValues` + `ApproximateField<F>` slice). Pins `base: Field<F>` with `F`
-/// as the carrier parameter matching `dsl/std/algebra.dag`'s `Field<T>`.
-///
-/// For `Real`, see `real_default_alias_resolves_to_approximate_field_over_field_of_fractions_of_int`
-/// (Option A spelling per `docs/audit/t-numeric-construction-approximate-field-real-parameter-stop.md`).
-#[test]
-fn approximate_field_carrier_record_shape_ratchets() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let approx_id = find_named(&dag, "ApproximateField");
-    let field_template = dag
-        .declaration_by_name("Field")
-        .expect("`Field` must load from dsl/std/algebra.dag");
-
-    let mut labels = record_fields(&dag, "ApproximateField");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec![
-            "base".to_string(),
-            "precision".to_string(),
-            "rounding".to_string(),
-            "special_values".to_string(),
-            "subnormal_policy".to_string(),
-        ],
-        "`ApproximateField<F>` must carry exactly the five 6Q axes"
-    );
-
-    let approx_decl = dag.declaration(approx_id);
-    assert_eq!(
-        approx_decl.type_params.len(),
-        1,
-        "ApproximateField<F> takes exactly one carrier type parameter"
-    );
-
-    let base_ty = conj_field_by_id(&dag, approx_id, "base");
-    match &dag.declaration(base_ty).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(
-                *template, field_template.id,
-                "`base` must instantiate `Field<F>`, not an ad hoc record"
-            );
-            assert_eq!(
-                arguments.len(),
-                1,
-                "`Field<F>` carries exactly one type argument"
-            );
-            assert_eq!(
-                arguments[0].parameter, field_template.type_params[0],
-                "`Field` instantiation must fill `Field`'s formal `<T>` slot"
-            );
-            assert_eq!(
-                arguments[0].value,
-                approx_decl.type_params[0],
-                "`base: Field<F>` must pass ApproximateField's carrier `<F>` as the `Field` argument \
-                 (parameter = template slot; value = argument binding)"
-            );
-        }
-        other => panic!("`base` must lower to a Field instantiation; got {other:?}"),
-    }
-
-    let mut sv_labels = record_fields(&dag, "SpecialValues");
-    sv_labels.sort();
-    assert_eq!(
-        sv_labels,
-        vec![
-            "infinity".to_string(),
-            "nan".to_string(),
-            "signed_zero".to_string(),
-        ],
-        "`SpecialValues` aggregates nan / infinity / signed-zero policy only"
-    );
-}
-
-#[test]
-fn rounding_mode_axis_is_closed_sum() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    assert_eq!(
-        disj_variant_labels(&dag, "RoundingMode"),
-        [
-            "ToNearestEven",
-            "ToZero",
-            "ToPositiveInfinity",
-            "ToNegativeInfinity",
-            "ToAwayFromZero"
-        ]
-        .map(String::from),
-        "`RoundingMode` must remain a typed closed sum, not a string tag"
-    );
-}
-
-#[test]
-fn precision_axis_splits_binary_and_decimal_payloads() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-    let positive_int = find_named(&dag, "PositiveInt");
-
-    assert_eq!(
-        disj_variant_labels(&dag, "Precision"),
-        ["Unbounded", "BinaryPrecision", "DecimalPrecision"].map(String::from),
-        "`Precision` must not regress to a compressed total-width token"
-    );
-    assert_eq!(
-        variant_payload_field_types(&dag, "Precision", "BinaryPrecision"),
-        [
-            (String::from("significand_bits"), positive_int),
-            (String::from("exponent_bits"), positive_int)
-        ],
-        "`BinaryPrecision` must name significand/exponent counts with a \
-         positive-count type"
-    );
-    assert_eq!(
-        variant_payload_field_types(&dag, "Precision", "DecimalPrecision"),
-        [
-            (String::from("digits"), positive_int),
-            (String::from("exponent_digits"), positive_int)
-        ],
-        "`DecimalPrecision` must name decimal precision counts with a \
-         positive-count type"
-    );
-}
-
-#[test]
-fn special_value_policy_axes_are_closed_sums() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    assert_eq!(
-        disj_variant_labels(&dag, "NanPolicy"),
-        ["NoNaN", "QuietNaN", "QuietAndSignalingNaN"].map(String::from),
-        "`NanPolicy` must distinguish no-NaN from quiet/signaling support"
-    );
-    assert_eq!(
-        disj_variant_labels(&dag, "InfinityPolicy"),
-        ["NoInfinity", "SignedInfinity"].map(String::from),
-        "`InfinityPolicy` must stay typed, not a target-specific string"
-    );
-    assert_eq!(
-        disj_variant_labels(&dag, "SignedZeroPolicy"),
-        ["NoSignedZero", "SignedZero"].map(String::from),
-        "`SignedZeroPolicy` must stay typed"
-    );
-    assert_eq!(
-        disj_variant_labels(&dag, "SubnormalPolicy"),
-        ["NoSubnormals", "GradualUnderflow", "FlushToZero"].map(String::from),
-        "`SubnormalPolicy` must distinguish absent, gradual, and flushed \
-         underflow behavior"
-    );
-}
-
-#[test]
-fn string_diagnostic_ordering_axes_live_in_emit_model_authority() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    for name in [
-        "StringOwnershipAxis",
-        "StringLifetimeAxis",
-        "StringGrowabilityAxis",
-        "StringEncodingAxis",
-    ] {
-        let decl = dag
-            .declaration_by_name(name)
-            .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-        assert_eq!(
-            decl.span.file, "src/v3/std/emit_model.dag",
-            "`{name}` must stay with target emission-model substrate; \
-             per-target diagnostic-ordering rows land in target specs later"
-        );
-    }
-}
-
-#[test]
-fn string_diagnostic_ordering_axes_are_closed_structural_values() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    assert_eq!(
-        disj_variant_labels(&dag, "StringOwnershipAxis"),
-        ["Owned", "Borrowed"].map(String::from),
-        "string ownership must be a typed axis, not a boolean or target string"
-    );
-    assert_eq!(
-        disj_variant_labels(&dag, "StringLifetimeAxis"),
-        ["SelfContained", "Caller"].map(String::from),
-        "string lifetime must use canonical substrate names, not Rust enum \
-         escaping or target-local strings"
-    );
-    assert_eq!(
-        disj_variant_labels(&dag, "StringGrowabilityAxis"),
-        ["Growable", "Fixed", "NotApplicable"].map(String::from),
-        "`NotApplicable` must be an explicit growability value, not absence"
-    );
-    assert_eq!(
-        disj_variant_labels(&dag, "StringEncodingAxis"),
-        ["Utf8FreeMonoidChar"].map(String::from),
-        "R2 string encoding vocabulary must name the FreeMonoid<Char> / UTF-8 \
-         row shape structurally"
-    );
-}
-
-#[test]
-fn string_family_inhabitance_row_is_language_scoped_and_axis_typed() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let row = dag
-        .declaration_by_name("StringFamilyInhabitanceRow")
-        .expect("StringFamilyInhabitanceRow missing from full bootstrap");
-    assert_eq!(
-        row.span.file, "src/v3/std/emit_model.dag",
-        "string-family rows must live beside the landed axis authority in emit_model"
-    );
-    assert_eq!(
-        record_fields(&dag, "StringFamilyInhabitanceRow"),
-        [
-            "language",
-            "target_type",
-            "type_realization",
-            "ownership",
-            "lifetime",
-            "growability",
-            "encoding",
-        ]
-        .map(String::from),
-        "string-family row host must stay structurally explicit and language-scoped"
-    );
-
-    let declaration_ref = find_named(&dag, "DeclarationRef");
-    for field in [
-        "language",
-        "target_type",
-        "type_realization",
-        "ownership",
-        "lifetime",
-        "growability",
-        "encoding",
-    ] {
-        assert_eq!(
-            conj_field_by_id(&dag, row.id, field),
-            declaration_ref,
-            "`{field}` must remain a structural `DeclarationRef` edge"
-        );
-    }
-}
-
-#[test]
-fn runtime_value_carrier_matches_pb_runtime_shape_and_marker_boundary() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let value = dag
-        .declaration_by_name("Value")
-        .expect("runtime Value missing from full bootstrap");
-    assert_eq!(
-        value.span.file, "src/v3/std/runtime.dag",
-        "bare Value must be the runtime carrier, not an L1 behavior marker"
-    );
-
-    let variants = match &value.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("runtime Value is not a Disj: {other:?}"),
-    };
-    let labels: Vec<&str> = variants.iter().map(|field| field.label.as_str()).collect();
-    assert_eq!(
-        labels,
-        [
-            "LiteralValue",
-            "RecordValue",
-            "VariantValue",
-            "NodeRef",
-            "CardinalityValue"
-        ],
-        "runtime Value coproduct drifted from PB-Runtime section 3.2"
-    );
-
-    assert_eq!(
-        positional_payload(&dag, runtime_value_variant_payload(&dag, "LiteralValue")),
-        find_named(&dag, "LiteralBits")
-    );
-    assert_runtime_value_instantiation(
-        &dag,
-        positional_payload(&dag, runtime_value_variant_payload(&dag, "RecordValue")),
-        "List",
-        "NamedField",
-    );
-    assert_eq!(
-        positional_payload(&dag, runtime_value_variant_payload(&dag, "NodeRef")),
-        find_named(&dag, "NodeId")
-    );
-    assert_eq!(
-        positional_payload(
-            &dag,
-            runtime_value_variant_payload(&dag, "CardinalityValue")
-        ),
-        find_named(&dag, "LoopBound")
-    );
-
-    let variant_value = runtime_value_variant_payload(&dag, "VariantValue");
-    assert_eq!(
-        conj_field_by_id(&dag, variant_value, "tag"),
-        find_named(&dag, "DeclarationId")
-    );
-    assert_eq!(conj_field_by_id(&dag, variant_value, "payload"), value.id);
-
-    assert_eq!(
-        conj_field_by_id(&dag, find_named(&dag, "NamedField"), "label"),
-        find_named(&dag, "String")
-    );
-    assert_eq!(
-        conj_field_by_id(&dag, find_named(&dag, "NamedField"), "value"),
-        find_named(&dag, "Value")
-    );
-
-    let runtime_value = find_named(&dag, "Value");
-    let value_behavior = find_named(&dag, "ValueBehavior");
-    assert_ne!(
-        runtime_value, value_behavior,
-        "runtime Value must not alias the L1 ValueBehavior marker"
-    );
-    assert_eq!(
-        dag.value_marker(),
-        Some(value_behavior),
-        "Dag::value_marker() must keep returning the L1 behavior marker"
-    );
-}
-
-#[test]
-fn program_observation_carrier_is_producer_neutral_typed_envelope() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let observation = dag
-        .declaration_by_name("ProgramObservation")
-        .expect("PR-B.2 ProgramObservation missing from full bootstrap");
-    assert_eq!(
-        observation.span.file, "src/v3/std/runtime.dag",
-        "ProgramObservation must live with the runtime observation authority"
-    );
-    let type_params = observation.type_params.clone();
-    assert_eq!(
-        type_params.len(),
-        1,
-        "ProgramObservation must have exactly one typed observation carrier"
-    );
-    match &dag.declaration(type_params[0]).connective {
-        TypeConnective::Atom(AtomPayload::TypeParam(name)) => assert_eq!(
-            name, "Carrier",
-            "ProgramObservation's type parameter should name the typed observation domain"
-        ),
-        other => {
-            panic!("ProgramObservation type parameter must be a TypeParam atom, got {other:?}")
-        }
-    }
-    assert_eq!(
-        conj_field_by_id(&dag, observation.id, "observed"),
-        type_params[0],
-        "ProgramObservation must wrap the typed observed value directly"
-    );
-
-    let TypeConnective::Conj { children } = &observation.connective else {
-        panic!(
-            "ProgramObservation must lower as a single-field Conj, got {:?}",
-            observation.connective
-        );
-    };
-    let labels: Vec<&str> = children.iter().map(|field| field.label.as_str()).collect();
-    assert_eq!(
-        labels,
-        ["observed"],
-        "ProgramObservation must not bake producer evidence such as stdout, target, \
-         exit status, or evaluator strategy into the comparable carrier"
-    );
-}
-
-#[test]
-fn pr_a_2_eval_frame_and_state_stack_carriers_match_pb_runtime_section_3_3() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let frame = dag
-        .declaration_by_name("EvalFrame")
-        .expect("PR-A.2 EvalFrame missing from full bootstrap");
-    assert_eq!(
-        frame.span.file, "src/v3/std/runtime.dag",
-        "EvalFrame must live in the single runtime authority module"
-    );
-    let bindings_ty = conj_field_by_id(&dag, frame.id, "bindings");
-    match &dag.declaration(bindings_ty).connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            let template_name = dag
-                .declaration(*template)
-                .name
-                .as_deref()
-                .expect("Map template must be a named declaration");
-            assert!(
-                template_name == "Map" || template_name == "PartialFunction",
-                "EvalFrame.bindings template must be Map / PartialFunction, got `{template_name}`"
-            );
-            assert_eq!(
-                arguments.len(),
-                2,
-                "EvalFrame.bindings must have exactly two type arguments (key, value)"
-            );
-            assert_eq!(
-                arguments[0].value,
-                find_named(&dag, "PortId"),
-                "EvalFrame.bindings key must be PortId"
-            );
-            assert_eq!(
-                arguments[1].value,
-                find_named(&dag, "Value"),
-                "EvalFrame.bindings value must be runtime Value"
-            );
-        }
-        other => panic!("EvalFrame.bindings is not an Instantiation: {other:?}"),
-    }
-
-    let stack = dag
-        .declaration_by_name("EvalStateStack")
-        .expect("PR-A.2 EvalStateStack missing from full bootstrap");
-    assert_eq!(
-        stack.span.file, "src/v3/std/runtime.dag",
-        "EvalStateStack must live in the single runtime authority module"
-    );
-    assert_runtime_value_instantiation(
-        &dag,
-        conj_field_by_id(&dag, stack.id, "frames"),
-        "List",
-        "EvalFrame",
-    );
-
-    let value = dag
-        .declaration_by_name("Value")
-        .expect("runtime Value missing from full bootstrap");
-    let labels: Vec<&str> = match &value.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|f| f.label.as_str()).collect(),
-        other => panic!("runtime Value is not a Disj: {other:?}"),
-    };
-    assert!(
-        !labels.contains(&"ClosureValue"),
-        "PR-A.2 must not introduce ClosureValue; closed-over environments \
-         are evaluator-internal state, not observable Value variants"
-    );
-    assert!(
-        !labels.contains(&"EvalFrame") && !labels.contains(&"EvalStateStack"),
-        "EvalFrame / EvalStateStack are evaluator state, never Value variants"
-    );
-}
-
-// Test-harness containment: this carrier-shape ratchet loads the full generated
-// bootstrap DAG, which can overflow the default harness stack in CI. Dissolution
-// trigger: remove or centralize this wrapper once full-bootstrap shape tests run
-// on the default stack.
-const FULL_BOOTSTRAP_SHAPE_TEST_STACK_BYTES: usize = 32 * 1024 * 1024;
-
-#[test]
-fn pr_a_3_strategy_and_memo_key_carriers_match_eager_baseline_shape() {
-    std::thread::Builder::new()
-        .stack_size(FULL_BOOTSTRAP_SHAPE_TEST_STACK_BYTES)
-        .spawn(pr_a_3_strategy_and_memo_key_carriers_match_eager_baseline_shape_impl)
-        .expect("spawn larger-stack PR-A.3 carrier test thread")
-        .join()
-        .expect("larger-stack PR-A.3 carrier test thread panicked");
-}
-
-fn pr_a_3_strategy_and_memo_key_carriers_match_eager_baseline_shape_impl() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let eval_state_key_id = find_named(&dag, "EvalStateKey");
-    let eval_memo_key_id = find_named(&dag, "EvalMemoKey");
-    let eval_state_stack_id = find_named(&dag, "EvalStateStack");
-
-    let state_key = dag
-        .declaration_by_name("EvalStateKey")
-        .expect("PR-A.3 EvalStateKey missing from full bootstrap");
-    assert_eq!(
-        state_key.span.file, "src/v3/std/runtime.dag",
-        "EvalStateKey must live in the single runtime authority module"
-    );
-    assert_eq!(
-        conj_field_by_id(&dag, eval_state_key_id, "state"),
-        eval_state_stack_id,
-        "EvalStateKey must key memoization by structural EvalStateStack state"
-    );
-
-    let strategy = dag
-        .declaration_by_name("EvalStrategy")
-        .expect("PR-A.3 EvalStrategy missing from full bootstrap");
-    assert_eq!(
-        strategy.span.file, "src/v3/std/runtime.dag",
-        "EvalStrategy must live in the single runtime authority module"
-    );
-    let strategy_variants = match &strategy.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("EvalStrategy must lower as a one-variant Disj, got {other:?}"),
-    };
-    assert_eq!(
-        strategy_variants.len(),
-        1,
-        "TC2 input-order expansion must stay under the single applicative strategy variant"
-    );
-    assert_eq!(strategy_variants[0].label, "ApplicativeOrder");
-    assert_eq!(
-        conj_field_by_id(&dag, strategy_variants[0].ty, "input_order"),
-        find_named(&dag, "InputEvaluationOrder")
-    );
-
-    let input_order = dag
-        .declaration_by_name("InputEvaluationOrder")
-        .expect("PR-A.3 InputEvaluationOrder missing from full bootstrap");
-    assert_eq!(
-        input_order.span.file, "src/v3/std/runtime.dag",
-        "InputEvaluationOrder must live in the single runtime authority module"
-    );
-    let input_order_variants = match &input_order.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("InputEvaluationOrder must lower as a two-variant Disj, got {other:?}"),
-    };
-    assert_eq!(
-        input_order_variants.len(),
-        2,
-        "TC2 requires exactly the two executable eager input orders"
-    );
-    assert_eq!(input_order_variants[0].label, "LeftFirst");
-    assert_eq!(input_order_variants[1].label, "RightFirst");
-    for variant in input_order_variants {
-        match &dag.declaration(variant.ty).connective {
-            TypeConnective::Conj { children } => assert!(
-                children.is_empty(),
-                "{} is a bare nullary variant and must carry no payload fields",
-                variant.label
-            ),
-            other => panic!(
-                "{} payload must lower as empty Conj, got {other:?}",
-                variant.label
-            ),
-        }
-    }
-
-    let memo_key = dag
-        .declaration_by_name("EvalMemoKey")
-        .expect("PR-A.3 EvalMemoKey missing from full bootstrap");
-    assert_eq!(
-        memo_key.span.file, "src/v3/std/runtime.dag",
-        "EvalMemoKey must live in the single runtime authority module"
-    );
-    assert_eq!(
-        conj_field_by_id(&dag, eval_memo_key_id, "program"),
-        find_named(&dag, "DeclarationId"),
-        "EvalMemoKey.program must name the evaluated program declaration"
-    );
-    assert_eq!(
-        conj_field_by_id(&dag, eval_memo_key_id, "node"),
-        find_named(&dag, "NodeId"),
-        "EvalMemoKey.node must key by structural node identity"
-    );
-    assert_eq!(
-        conj_field_by_id(&dag, eval_memo_key_id, "state_key"),
-        eval_state_key_id,
-        "EvalMemoKey.state_key must use EvalStateKey, not a string or name-only fingerprint"
-    );
-    assert_eq!(
-        conj_field_by_id(&dag, eval_memo_key_id, "strategy"),
-        find_named(&dag, "EvalStrategy"),
-        "EvalMemoKey.strategy must use the closed EvalStrategy carrier"
-    );
-}
-
-/// T-Numeric-Construction Slice 2 — `Nat = CommutativeSemiring<Magnitude>` resolves
-/// structurally to a `CommutativeSemiring` instantiation whose carrier argument is the
-/// `Magnitude` opaque atom landed by Slice 1.
-///
-/// The ratchet enforces both authorities at once:
-/// - `Nat` must lower to a `TypeConnective::Instantiation` whose template is
-///   `Semiring` (`dsl/std/algebra.dag`), not a fresh record or a name-keyed bridge.
-/// - The single carrier argument must resolve to `Magnitude` (`dsl/std/magnitude.dag`),
-///   not to a `Word*` storage carrier — those remain storage refinements per
-///   `docs/audit/t-numeric-construction-magnitude-6q.md`.
-#[test]
-fn nat_resolves_to_semiring_over_magnitude() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let nat = dag
-        .declaration_by_name("Nat")
-        .expect("`Nat` missing from full bootstrap (T-Numeric-Construction Slice 2)");
-    assert_eq!(
-        nat.span.file, "dsl/std/nat.dag",
-        "Nat must live in the canonical std/nat.dag module, not in a parallel authority"
-    );
-
-    let commutative_semiring = dag
-        .declaration_by_name("CommutativeSemiring")
-        .expect("`CommutativeSemiring` algebra must be loaded from dsl/std/algebra.dag");
-    let magnitude = dag
-        .declaration_by_name("Magnitude")
-        .expect("`Magnitude` opaque carrier must be loaded from dsl/std/magnitude.dag (Slice 1)");
-
-    match &nat.connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(
-                *template, commutative_semiring.id,
-                "Nat must instantiate `CommutativeSemiring`, not an alternate algebra record"
-            );
-            assert_eq!(
-                arguments.len(),
-                1,
-                "CommutativeSemiring takes exactly one carrier type parameter"
-            );
-            assert_eq!(
-                arguments[0].value, magnitude.id,
-                "Nat's CommutativeSemiring carrier argument must be `Magnitude`, not a Word* storage carrier"
-            );
-        }
-        other => panic!(
-            "Nat must lower to a CommutativeSemiring instantiation; got {other:?} — \
-             a non-Instantiation connective indicates a parallel algebra authority \
-             rather than a clean CommutativeSemiring<Magnitude> alias"
-        ),
-    }
-}
-
-/// T-Numeric-Construction algebra-strength sharpening — `CommutativeSemiring<T>`
-/// exists as the stronger algebra surface for semirings whose multiplication is
-/// commutative. Nat consumes that stronger algebra surface in
-/// `nat_resolves_to_semiring_over_magnitude`.
-#[test]
-fn commutative_semiring_declares_semiring_shape_for_nat_sharpening() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let commutative = dag
-        .declaration_by_name("CommutativeSemiring")
-        .expect("CommutativeSemiring must be declared in std.algebra");
-    assert_eq!(
-        commutative.span.file, "dsl/std/algebra.dag",
-        "CommutativeSemiring must live beside the algebra hierarchy authority"
-    );
-
-    assert_eq!(
-        record_fields(&dag, "CommutativeSemiring"),
-        record_fields(&dag, "Semiring"),
-        "CommutativeSemiring adds the multiplicative-commutativity law, not a parallel field shape"
-    );
-}
-
-/// T-Numeric-Construction `GroupCompletion<M>` substrate-introduction —
-/// the Shape C opaque atom recommended by the Slice 3 prerequisite audit
-/// (`docs/audit/t-numeric-construction-group-completion-6q.md`).
-///
-/// The ratchet pins:
-/// - `GroupCompletion` lives in `dsl/std/algebra.dag` (audit's preferred home;
-///   Director-confirmed boundary).
-/// - It is a **bare opaque atom** — `TypeConnective::Conj { children: [] }`
-///   with no fields. No quotient-of-pairs / sign-magnitude / explicit-carrier
-///   structural facts admitted at this layer (per Director's hard boundary).
-/// - It carries exactly one type parameter `<M>` (the input commutative
-///   monoid; constraint is unenforced denotationally per the audit's
-///   constrained-inhabitance gap).
-///
-/// This is the carrier construction; the algebra witness for Slice 3 will be
-/// `AbelianGroup<GroupCompletion<Nat>>` — declared at the future `Int`
-/// alias-pivot site, not here.
-#[test]
-fn group_completion_is_bare_opaque_atom_with_one_type_parameter() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let group_completion = dag.declaration_by_name("GroupCompletion").expect(
-        "`GroupCompletion` substrate-introduction missing from full bootstrap \
-         (T-Numeric-Construction Slice 3 prerequisite per #1422 audit)",
-    );
-
-    assert_eq!(
-        group_completion.span.file, "dsl/std/algebra.dag",
-        "GroupCompletion must live in dsl/std/algebra.dag per the audit's \
-         preferred home (proximity to AbelianGroup<T>)"
-    );
-
-    match &group_completion.connective {
-        TypeConnective::Conj { children } => assert!(
-            children.is_empty(),
-            "GroupCompletion must be a bare opaque atom (no fields) — Shape C \
-             rejects quotient-of-pairs and sign-magnitude representation \
-             facts per the audit and Director's dispatch"
-        ),
-        other => panic!(
-            "GroupCompletion must lower as an opaque-atom Conj with no fields; \
-             got {other:?} — a non-empty Conj would admit structural \
-             representation facts (quotient/sign-magnitude) the audit rejects"
-        ),
-    }
-
-    assert_eq!(
-        group_completion.type_params.len(),
-        1,
-        "GroupCompletion takes exactly one type parameter `<M>` (the input \
-         commutative-monoid type)"
-    );
-
-    assert!(
-        group_completion.value_body.is_none(),
-        "GroupCompletion is an opaque type declaration, not a data declaration; \
-         no value_body should be present"
-    );
-}
-
-/// T-Numeric-Construction `FieldOfFractions<R>` substrate-introduction —
-/// Shape C opaque atom per `docs/audit/t-numeric-construction-field-of-fractions-6q.md`.
-///
-/// Mirrors the `GroupCompletion<M>` ratchet: single declaration in
-/// `dsl/std/algebra.dag`, bare `Conj {{ children: [] }}`, exactly one type parameter `<R>`.
-///
-/// Also scans bootstrap for `FieldOfFractions<…>` instantiations: Slice 4 must keep
-/// `Int` as the sole specialization (`Field<FieldOfFractions<Int>>` via `dsl/std/rational.dag`).
-#[test]
-fn field_of_fractions_substrate_introduction_ratchets() {
-    with_full_bootstrap_stack(|| {
-        let dag = v3_compiler::generated_full_bootstrap_dag();
-
-        let fof = dag.declaration_by_name("FieldOfFractions").expect(
-            "`FieldOfFractions` substrate-introduction missing from full bootstrap \
-         (T-Numeric-Construction Slice 4 prerequisite per field-of-fractions 6Q audit)",
-        );
-
-        assert_eq!(
-            fof.span.file, "dsl/std/algebra.dag",
-            "FieldOfFractions must live in dsl/std/algebra.dag per the audit's preferred home"
-        );
-
-        match &fof.connective {
-            TypeConnective::Conj { children } => assert!(
-                children.is_empty(),
-                "FieldOfFractions must be a bare opaque atom (no fields) — Shape C rejects \
-             numerator/denominator pair and quotient representation at this layer"
-            ),
-            other => panic!(
-                "FieldOfFractions must lower as an opaque-atom Conj with no fields; got {other:?}"
-            ),
-        }
-
-        assert_eq!(
-            fof.type_params.len(),
-            1,
-            "FieldOfFractions takes exactly one type parameter `<R>` (the input integral-domain type)"
-        );
-
-        assert!(
-            fof.value_body.is_none(),
-            "FieldOfFractions is an opaque type declaration, not a data declaration; \
-         no value_body should be present"
-        );
-
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("`Int` must be present for Slice 4 integral-domain consumer");
-
-        for decl in dag.declarations() {
-            let TypeConnective::Instantiation {
-                template,
-                arguments,
-            } = &decl.connective
-            else {
-                continue;
-            };
-            if *template != fof.id {
-                continue;
-            }
-            assert_eq!(
-                arguments.len(),
-                1,
-                "FieldOfFractions<R> instantiates with exactly one template argument"
-            );
-            assert_eq!(
-                arguments[0].parameter, fof.type_params[0],
-                "FieldOfFractions template argument must bind the `<R>` parameter"
-            );
-            assert_eq!(
-                arguments[0].value,
-                int_decl.id,
-                "FieldOfFractions<R> instantiations must specialize `Int` only per \
-             docs/audit/t-numeric-construction-field-of-fractions-6q.md; got argument {:?} on {}",
-                arguments,
-                decl.name.as_deref().unwrap_or("<anonymous>")
-            );
-        }
-    });
-}
-
-/// T-Numeric-Construction Slice 4 — `Rational = Field<FieldOfFractions<Int>>` per
-/// `docs/audit/t-numeric-construction-field-of-fractions-6q.md` (canonical Q6 form;
-/// rejects compact `FieldOfFractions<Int>` alone).
-///
-/// Pins `Rational` authority to `dsl/std/rational.dag` and the two-step witness:
-/// outer `Field<T>`, inner carrier `FieldOfFractions<Int>`.
-#[test]
-fn rational_default_alias_resolves_to_field_over_field_of_fractions_of_int() {
-    with_full_bootstrap_stack(|| {
-        let dag = v3_compiler::generated_full_bootstrap_dag();
-
-        let rational = dag
-            .declaration_by_name("Rational")
-            .expect("`Rational` default alias missing from full bootstrap (Slice 4)");
-        assert_eq!(
-            rational.span.file, "dsl/std/rational.dag",
-            "Rational must live in dsl/std/rational.dag (single authority)"
-        );
-
-        let field = dag
-            .declaration_by_name("Field")
-            .expect("`Field` algebra must be loaded from dsl/std/algebra.dag");
-        let fof = dag
-            .declaration_by_name("FieldOfFractions")
-            .expect("`FieldOfFractions` carrier must be present (Slice 4 prerequisite)");
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("`Int` must be present for FieldOfFractions<Int>");
-
-        let mut current = rational;
-        let mut hops: usize = 0;
-        let connective = loop {
-            match &current.connective {
-                TypeConnective::Atom(AtomPayload::ResolvedByName(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByStructure(next)) => {
-                    assert!(hops < 8, "Rational alias chain too deep (cycle?)");
-                    hops += 1;
-                    current = dag.declaration(*next);
-                }
-                other => break other,
-            }
-        };
-
-        let inner_carrier = match connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                assert_eq!(
-                    *template, field.id,
-                    "Rational's outer witness must be `Field<T>`, not a compact \
-                     `FieldOfFractions<Int>`-only form (Q6 single-authority)"
-                );
-                assert_eq!(
-                    arguments.len(),
-                    1,
-                    "Field<T> takes exactly one carrier type parameter"
-                );
-                arguments[0].value
-            }
-            other => panic!("Rational must lower to a Field instantiation; got {other:?}"),
-        };
-
-        let carrier_decl = dag.declaration(inner_carrier);
-        match &carrier_decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                assert_eq!(
-                    *template, fof.id,
-                    "Rational's Field carrier must be `FieldOfFractions<…>` — \
-                     the localization-derived carrier, not `Int` directly \
-                     (reject `Field<Int>` as dishonest reciprocal story)"
-                );
-                assert_eq!(
-                    arguments.len(),
-                    1,
-                    "FieldOfFractions<R> takes exactly one integral-domain parameter"
-                );
-                assert_eq!(
-                    arguments[0].value, int_decl.id,
-                    "Slice 4 pins `FieldOfFractions<Int>` as the sole specialization — \
-                     ℚ as field of fractions of ℤ"
-                );
-            }
-            other => panic!(
-                "Rational's Field carrier must be a FieldOfFractions instantiation; got {other:?}"
-            ),
-        }
-    });
-}
-
-/// R3 gate #17 (`numeric_abstract_carriers_landed`) — `Real` abstract carrier per
-/// `docs/r3-structure.md` + STOP Option A:
-/// `Real = ApproximateField<FieldOfFractions<Int>>` in `dsl/std/float.dag`.
-#[test]
-fn real_default_alias_resolves_to_approximate_field_over_field_of_fractions_of_int() {
-    with_full_bootstrap_stack(|| {
-        let dag = v3_compiler::generated_full_bootstrap_dag();
-
-        let real = dag
-            .declaration_by_name("Real")
-            .expect("`Real` abstract carrier missing from full bootstrap (R3 gate #17)");
-        assert_eq!(
-            real.span.file, "dsl/std/float.dag",
-            "Real must live in dsl/std/float.dag (single authority)"
-        );
-
-        let approx = dag
-            .declaration_by_name("ApproximateField")
-            .expect("`ApproximateField` must be present");
-        let fof = dag
-            .declaration_by_name("FieldOfFractions")
-            .expect("`FieldOfFractions` carrier must be present");
-        let int_decl = dag
-            .declaration_by_name("Int")
-            .expect("`Int` must be present for FieldOfFractions<Int>");
-
-        let mut current = real;
-        let mut hops: usize = 0;
-        let connective = loop {
-            match &current.connective {
-                TypeConnective::Atom(AtomPayload::ResolvedByName(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByStructure(next)) => {
-                    assert!(hops < 8, "Real alias chain too deep (cycle?)");
-                    hops += 1;
-                    current = dag.declaration(*next);
-                }
-                other => break other,
-            }
-        };
-
-        let (template_id, arguments) = match connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => (*template, arguments),
-            other => panic!("Real must lower to an ApproximateField instantiation; got {other:?}"),
-        };
-
-        assert_eq!(
-            arguments.len(),
-            1,
-            "`Real` must instantiate `ApproximateField` with exactly one carrier argument \
-             (`FieldOfFractions<Int>` per STOP Option A)"
-        );
-
-        let mut resolved_template = template_id;
-        while let TypeConnective::Atom(atom) = &dag.declaration(resolved_template).connective {
-            match atom {
-                AtomPayload::ResolvedByName(next) => resolved_template = *next,
-                AtomPayload::ResolvedByStructure(next) => resolved_template = *next,
-                _ => break,
-            }
-        }
-
-        assert_eq!(
-            resolved_template, approx.id,
-            "Real must instantiate imported `ApproximateField<F>` (resolve import stubs)"
-        );
-
-        let carrier_id = arguments[0].value;
-        let carrier_decl = dag.declaration(carrier_id);
-        match &carrier_decl.connective {
-            TypeConnective::Instantiation {
-                template,
-                arguments,
-            } => {
-                assert_eq!(
-                    *template,
-                    fof.id,
-                    "Real's type argument must be `FieldOfFractions<Int>` — not `Rational` \
-                     (`Rational` names `Field<FieldOfFractions<Int>>`, a witness type)"
-                );
-                assert_eq!(
-                    arguments.len(),
-                    1,
-                    "FieldOfFractions<R> takes exactly one integral-domain parameter"
-                );
-                assert_eq!(
-                    arguments[0].value,
-                    int_decl.id,
-                    "Real approximates ℚ as field of fractions of ℤ — parameter must be `Int`"
-                );
-            }
-            other => panic!(
-                "Real's ApproximateField carrier argument must be a FieldOfFractions instantiation; got {other:?}"
-            ),
-        }
-    });
-}
-
-/// T-Numeric-Construction Slice 3 — `Int = AbelianGroup<GroupCompletion<Nat>>`
-/// resolves structurally as the canonical Q6 single-authority form per
-/// `docs/audit/t-numeric-construction-group-completion-6q.md`.
-///
-/// The ratchet enforces three structural facts at once:
-/// - `Int` lives in `dsl/std/integer.dag` (single authority).
-/// - The alias-chain target is an `AbelianGroup` instantiation (NOT
-///   `OrderedRing`/`Int64`, NOT the rejected compact `GroupCompletion<Nat>`
-///   form, NOT a `Word*` storage carrier).
-/// - The `AbelianGroup`'s carrier argument is itself an instantiation:
-///   `GroupCompletion<Nat>` — proving the two-step construction
-///   (`AbelianGroup<T>` standard parametric reading; `T = GroupCompletion<Nat>`
-///   is the derived carrier; `<Nat>` is the input commutative-monoid).
-#[test]
-fn int_default_alias_resolves_to_abelian_group_over_group_completion_of_nat() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-
-    let int_default = dag
-        .declaration_by_name("Int")
-        .expect("`Int` default alias missing from full bootstrap (T-Numeric-Construction Slice 3)");
-    assert_eq!(
-        int_default.span.file, "dsl/std/integer.dag",
-        "Int default alias must live in dsl/std/integer.dag, not in a parallel authority"
-    );
-
-    let abelian_group = dag
-        .declaration_by_name("AbelianGroup")
-        .expect("`AbelianGroup` algebra must be loaded from dsl/std/algebra.dag");
-    let group_completion = dag
-        .declaration_by_name("GroupCompletion")
-        .expect("`GroupCompletion` carrier must be loaded from dsl/std/algebra.dag (#1448)");
-    let nat = dag
-        .declaration_by_name("Nat")
-        .expect("`Nat` carrier must be loaded from dsl/std/nat.dag (Slice 2)");
-
-    // Walk the alias chain to the underlying instantiation.
-    let mut current = int_default;
-    let mut hops: usize = 0;
-    let connective = loop {
-        match &current.connective {
-            TypeConnective::Atom(AtomPayload::ResolvedByName(next))
-            | TypeConnective::Atom(AtomPayload::ResolvedByStructure(next)) => {
-                assert!(hops < 8, "Int alias chain too deep (cycle?)");
-                hops += 1;
-                current = dag.declaration(*next);
-            }
-            other => break other,
-        }
-    };
-
-    let outer_arg_decl = match connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(
-                *template, abelian_group.id,
-                "Int's outer instantiation must be `AbelianGroup`; not `OrderedRing`/`Int64` \
-                 (legacy storage chain), not the rejected compact `GroupCompletion<Nat>` form"
-            );
-            assert_eq!(
-                arguments.len(),
-                1,
-                "AbelianGroup<T> takes exactly one carrier type parameter"
-            );
-            arguments[0].value
-        }
-        other => panic!("Int must lower to an AbelianGroup instantiation; got {other:?}"),
-    };
-
-    // The carrier argument resolves to `GroupCompletion<Nat>` — itself an
-    // Instantiation { template: GroupCompletion, arguments: [Nat] }.
-    let carrier_decl = dag.declaration(outer_arg_decl);
-    match &carrier_decl.connective {
-        TypeConnective::Instantiation {
-            template,
-            arguments,
-        } => {
-            assert_eq!(
-                *template, group_completion.id,
-                "Int's AbelianGroup carrier must be `GroupCompletion<...>` — \
-                 the derived-carrier construction, not Nat directly (the \
-                 rejected `AbelianGroup<Nat>` form would assert Nat has \
-                 additive inverses) and not a `Word*` storage carrier"
-            );
-            assert_eq!(
-                arguments.len(),
-                1,
-                "GroupCompletion<M> takes exactly one type parameter"
-            );
-            assert_eq!(
-                arguments[0].value, nat.id,
-                "GroupCompletion's input commutative-monoid must be `Nat`; \
-                 the construction chain is Magnitude → Nat → Int"
-            );
-        }
-        other => panic!(
-            "Int's AbelianGroup carrier must be a GroupCompletion instantiation; got {other:?}"
-        ),
-    }
-}
-
-/// R3 gate #20 (`numeric_inherited_bake_ins_dissolved`): Unicode scalar and
-/// temporal integer nominals structurally refine abstract `Int` — not a
-/// parallel fixed-width `Int64` / `OrderedRing<Word64>` defining carrier.
-#[test]
-fn numeric_inherited_bake_ins_dissolved_int_inherited_aliases_use_abstract_int() {
-    let dag = v3_compiler::generated_full_bootstrap_dag();
-    let int_id = find_named(&dag, "Int");
-
-    for name in ["Char", "EpochMs", "Duration", "Milliseconds", "Seconds"] {
-        let decl_id = find_named_std_types_dag(&dag, name);
-        let decl = dag.declaration(decl_id);
-        let base = match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => *template,
-            TypeConnective::Atom(AtomPayload::ResolvedByStructure(b)) => *b,
-            other => panic!(
-                "{name}: expected `Instantiation` or `ResolvedByStructure` \
-                 alias/template over Int; got {other:?}"
-            ),
-        };
-        assert_eq!(
-            base,
-            int_id,
-            "{name} must consume abstract `Int` per gate #20 (resolved base decl {:?})",
-            dag.declaration(base).name
-        );
-        assert!(
-            decl.refinement.is_some(),
-            "{name}: expected lowered `where` refinement (dissolution receipt)"
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/method_registry_test.rs b/src/v3/compiler/tests/integration/method_registry_test.rs
deleted file mode 100644
index ea19debf53d..00000000000
--- a/src/v3/compiler/tests/integration/method_registry_test.rs
+++ /dev/null
@@ -1,245 +0,0 @@
-//! **Layer:** integration
-//!
-//! Acceptance for the minimal method-declaration registry slice
-//! (Director-locked options A/A/(a) on parent inbox #1130 after the
-//! #1175 `dag_method: DeclarationRef` substrate gap).
-//!
-//! Three claims:
-//! - `method_registry_covers_all_algebra_template_names` —
-//!   drift-detection: every unique method name carried by the seven
-//!   `dsl/std/algebra.dag` per-profile template lists has a
-//!   corresponding `<name>_method: MethodDeclaration` binding in
-//!   `dsl/std/methods.dag`. Adding a new template-list name without
-//!   landing the registry binding fails this test fail-closed.
-//! - `method_declaration_carries_only_name_field` — identity-only
-//!   discipline (no parameter lists, return types, cost metadata,
-//!   profile fields, render-template facts).
-//! - `method_template_contract_dag_method_refines_to_method_ref` —
-//!   `MethodTemplateContract.dag_method` field type now points at
-//!   `MethodRef` rather than bare `DeclarationRef`.
-
-use std::collections::{BTreeSet, HashSet};
-use v3_compiler::dag::{Dag, DeclarationId, FieldValue, LiteralBits, TypeConnective, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn decl_id_by_name(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"))
-        .id
-}
-
-/// Algebra-template source — the actual authority for which method
-/// names exist in the seven `dsl/std/algebra.dag` per-profile template
-/// lists. The drift-detection test extracts the unique `name: "..."`
-/// strings appearing inside those template-list bodies and asserts
-/// each has a matching `<name>_method: MethodDeclaration` registry
-/// binding. No hand-maintained mirror constant: if a new method name
-/// lands in algebra.dag without a corresponding registry binding,
-/// this test fails fail-closed at the same boundary the registry's
-/// own SCAFFOLD comment promises.
-const ALGEBRA_DAG_SOURCE: &str = include_str!("../../../../../dsl/std/algebra.dag");
-
-/// Extracts unique method names from the algebra-template source by
-/// scanning for the literal `name: "<id>"` pattern that appears inside
-/// the seven per-profile template-list returns. Identifier characters
-/// only (lowercase ASCII + underscore) so we don't accidentally match
-/// other `name:` strings used elsewhere as record-field labels at the
-/// type-definition layer (e.g., `NamedTemplate { name: "Int" }` —
-/// those are TypeShape-side names that look the same lexically).
-///
-/// Lexical matching is intentional: the alternative (running the
-/// per-profile fn bodies through the Dag's value-body walker) would
-/// require the bootstrap to have lowered the function returns to
-/// structural list values, which it doesn't yet. The source-file
-/// scan keeps `dsl/std/algebra.dag` as the canonical authority for
-/// the drift comparison without smuggling structural inhabitance
-/// through a partial-lowering bridge.
-fn algebra_template_method_names() -> BTreeSet<String> {
-    let mut names: BTreeSet<String> = BTreeSet::new();
-    let bytes = ALGEBRA_DAG_SOURCE.as_bytes();
-    let mut i = 0;
-    while i + 5 <= bytes.len() {
-        // Find the next `name:` substring; only count occurrences
-        // followed by a `"<id>"` literal to ignore type-shape names
-        // like `name: "Int"` (those satisfy the literal pattern but
-        // their values uppercase-start, so further filtering below
-        // catches them — algebra-template method names are all
-        // lowercase identifiers).
-        if &bytes[i..i + 5] == b"name:" {
-            let mut j = i + 5;
-            while j < bytes.len() && (bytes[j] == b' ' || bytes[j] == b'\t') {
-                j += 1;
-            }
-            if j < bytes.len() && bytes[j] == b'"' {
-                let start = j + 1;
-                let mut end = start;
-                while end < bytes.len() && bytes[end] != b'"' {
-                    end += 1;
-                }
-                if end < bytes.len() {
-                    let s = &ALGEBRA_DAG_SOURCE[start..end];
-                    if !s.is_empty()
-                        && s.chars()
-                            .all(|c| c.is_ascii_lowercase() || c == '_' || c.is_ascii_digit())
-                    {
-                        names.insert(s.to_string());
-                    }
-                    i = end + 1;
-                    continue;
-                }
-            }
-        }
-        i += 1;
-    }
-    names
-}
-
-#[test]
-fn method_registry_covers_all_algebra_template_names() {
-    let dag = generated_full_bootstrap_dag();
-    let method_decl_id = decl_id_by_name(&dag, "MethodDeclaration");
-
-    let template_names = algebra_template_method_names();
-    assert!(
-        !template_names.is_empty(),
-        "algebra_template_method_names() returned empty set — extraction \
-         pattern broke against `dsl/std/algebra.dag`. The drift detector \
-         is the authority over which method names need registry bindings; \
-         a zero-name extraction would silently pass the loop below."
-    );
-
-    let mut errors: Vec<String> = Vec::new();
-    for name in &template_names {
-        let binding_name = format!("{name}_method");
-        let Some(decl) = dag.declaration_by_name(&binding_name) else {
-            errors.push(format!("missing binding `{binding_name}`"));
-            continue;
-        };
-
-        // (1) The binding's connective must instantiate `MethodDeclaration`.
-        let template = match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => *template,
-            other => {
-                errors.push(format!(
-                    "`{binding_name}` has non-Instantiation connective: {other:?}"
-                ));
-                continue;
-            }
-        };
-        if template != method_decl_id {
-            errors.push(format!(
-                "`{binding_name}` instantiates DeclarationId({:?}), expected MethodDeclaration ({:?})",
-                template, method_decl_id
-            ));
-            continue;
-        }
-
-        // (2) The data body must be a Structural record with `name` =
-        // String literal matching the expected method name.
-        let fields = match &decl.value_body {
-            Some(ValueBody::Structural { fields }) => fields,
-            Some(other) => {
-                errors.push(format!(
-                    "`{binding_name}` value_body is not Structural: {other:?}"
-                ));
-                continue;
-            }
-            None => {
-                errors.push(format!("`{binding_name}` has no value_body"));
-                continue;
-            }
-        };
-
-        let name_field = fields.iter().find(|(label, _)| label == "name");
-        match name_field {
-            Some((_, FieldValue::Literal(LiteralBits::String(s)))) if s == name => {
-                // ok
-            }
-            Some((_, FieldValue::Literal(LiteralBits::String(s)))) => {
-                errors.push(format!("`{binding_name}.name` = {s:?}, expected {name:?}"));
-            }
-            Some((_, other)) => {
-                errors.push(format!(
-                    "`{binding_name}.name` is not a String literal: {other:?}"
-                ));
-            }
-            None => {
-                errors.push(format!("`{binding_name}` missing `name` field"));
-            }
-        }
-    }
-
-    assert!(
-        errors.is_empty(),
-        "method-name registry drift: `dsl/std/methods.dag` failed registry \
-         authority checks. Each `<name>_method` must (a) instantiate \
-         `MethodDeclaration` and (b) carry a `name: \"<name>\"` field \
-         literal. Errors: {errors:#?}"
-    );
-}
-
-#[test]
-fn method_declaration_carries_only_name_field() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "MethodDeclaration")
-        .into_iter()
-        .collect();
-    let expected: HashSet<&str> = ["name"].into_iter().collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "MethodDeclaration is identity-only — no parameter lists, return \
-         types, size effects, cost shapes, profile fields, or render-\
-         template facts. Adding a field is a substantive scope change \
-         that risks duplicating algebra-template / §6a `MethodContract` \
-         metadata."
-    );
-}
-
-#[test]
-fn method_template_contract_dag_method_refines_to_method_ref() {
-    let dag = generated_full_bootstrap_dag();
-    let method_ref_id = decl_id_by_name(&dag, "MethodRef");
-
-    let contract = dag
-        .declaration_by_name("MethodTemplateContract")
-        .expect("MethodTemplateContract missing from full bootstrap");
-    let dag_method_field = match &contract.connective {
-        TypeConnective::Conj { children } => children
-            .iter()
-            .find(|f| f.label == "dag_method")
-            .expect("MethodTemplateContract missing `dag_method` field"),
-        other => panic!("MethodTemplateContract is not a Conj: {other:?}"),
-    };
-    assert_eq!(
-        dag_method_field.ty, method_ref_id,
-        "MethodTemplateContract.dag_method must point at `MethodRef` (the \
-         registry-typed reference shape from `src/v3/std/methods.dag`), \
-         NOT bare `DeclarationRef` — that was the #1175 substrate gap \
-         this slice closes."
-    );
-}
-
-#[test]
-fn method_ref_wraps_declaration_ref() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "MethodRef").into_iter().collect();
-    let expected: HashSet<&str> = ["decl"].into_iter().collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "MethodRef is a single-field wrapper `{{ decl: DeclarationRef }}`. \
-         Adding fields changes the wrapper's residual-class story and \
-         requires receipt updates."
-    );
-}
diff --git a/src/v3/compiler/tests/integration/method_template_contract_test.rs b/src/v3/compiler/tests/integration/method_template_contract_test.rs
deleted file mode 100644
index ec6f84ec39a..00000000000
--- a/src/v3/compiler/tests/integration/method_template_contract_test.rs
+++ /dev/null
@@ -1,463 +0,0 @@
-//! **Layer:** integration
-//!
-//! Acceptance for `MethodTemplateContract` substrate carrier in
-//! `src/v3/std/emit_model.dag`. Sibling type to §6a `MethodContract` in
-//! `src/v3/std/algebra.dag`; this PR lands the type only — row population
-//! and `MethodTranslation` / `SimpleMethodSpec` retirement are
-//! Grounding-owned follow-ups.
-//!
-//! Three claims per Director dispatch:
-//! - `method_template_contract_distinct_from_method_contract`
-//! - `method_template_contract_per_target_dag_method_unique`
-//!   (pending until Grounding lands target row-list authorities after the
-//!   Substrate method registry)
-//! - `method_template_contract_does_not_carry_cost_data`
-
-use std::collections::{HashMap, HashSet};
-use v3_compiler::dag::{Dag, DeclarationId, FieldValue, LiteralBits, TypeConnective, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn decl_id_by_name(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"))
-        .id
-}
-
-fn conj_field_ty(dag: &Dag, name: &str, field: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => {
-            children
-                .iter()
-                .find(|f| f.label == field)
-                .unwrap_or_else(|| panic!("`{name}` missing `{field}` field"))
-                .ty
-        }
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-#[test]
-fn method_template_contract_distinct_from_method_contract() {
-    let dag = generated_full_bootstrap_dag();
-
-    let template_id = decl_id_by_name(&dag, "MethodTemplateContract");
-    let metadata_id = decl_id_by_name(&dag, "MethodContract");
-    assert_ne!(
-        template_id, metadata_id,
-        "MethodTemplateContract and §6a MethodContract must be distinct \
-         declarations (P2 single-authority)"
-    );
-
-    let template_fields: HashSet<String> = conj_field_labels(&dag, "MethodTemplateContract")
-        .into_iter()
-        .collect();
-    let metadata_fields: HashSet<String> = conj_field_labels(&dag, "MethodContract")
-        .into_iter()
-        .collect();
-    assert!(
-        template_fields.is_disjoint(&metadata_fields),
-        "MethodTemplateContract and §6a MethodContract field sets must be \
-         disjoint — they are orthogonal sibling facts attached to method \
-         declarations (P1 step 1). template={template_fields:?} \
-         metadata={metadata_fields:?}"
-    );
-}
-
-#[test]
-fn method_template_contract_does_not_carry_cost_data() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "MethodTemplateContract")
-        .into_iter()
-        .collect();
-
-    for forbidden in ["cost_shape", "size_effect", "callback_element_position"] {
-        assert!(
-            !labels.contains(forbidden),
-            "MethodTemplateContract carries `{forbidden}` — that field \
-             belongs on §6a MethodContract (target-agnostic cost/complexity \
-             metadata). Template-contract carrier holds only render-template \
-             facts (P1 step 2). actual fields={labels:?}"
-        );
-    }
-
-    let expected: HashSet<&str> = [
-        "dag_method",
-        "runtime_template",
-        "emit_template",
-        "wraps_result",
-        "placeholder_convention",
-    ]
-    .into_iter()
-    .collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "MethodTemplateContract field set diverged from Director-locked shape"
-    );
-}
-
-#[test]
-fn method_template_contract_emit_template_uses_sum_not_nullable_bridge_fields() {
-    let dag = generated_full_bootstrap_dag();
-    let emit_template_ty = conj_field_ty(&dag, "MethodTemplateContract", "emit_template");
-    assert_eq!(
-        dag.declaration(emit_template_ty).name.as_deref(),
-        Some("MethodEmitTemplate"),
-        "MethodTemplateContract.emit_template must point at the sum carrier, not raw String"
-    );
-
-    let TypeConnective::Disj { variants } = &dag.declaration(emit_template_ty).connective else {
-        panic!("MethodEmitTemplate must be a Disj");
-    };
-    let labels: HashSet<&str> = variants.iter().map(|v| v.label.as_str()).collect();
-    assert_eq!(
-        labels,
-        ["SingleTemplate", "HigherOrderTemplates"]
-            .into_iter()
-            .collect(),
-        "MethodEmitTemplate must keep the ordinary vs higher-order split explicit"
-    );
-
-    let contract_fields: HashSet<String> = conj_field_labels(&dag, "MethodTemplateContract")
-        .into_iter()
-        .collect();
-    for forbidden in [
-        "inline_template",
-        "fn_ref_template",
-        "wraps_in_sharing",
-        "emit_template_inline",
-        "emit_template_fn_ref",
-    ] {
-        assert!(
-            !contract_fields.contains(forbidden),
-            "MethodTemplateContract grew nullable/parallel higher-order field `{forbidden}` \
-             instead of using MethodEmitTemplate"
-        );
-    }
-}
-
-/// Walk a per-target `List<MethodTemplateContract>` declaration's value body
-/// and assert that every row's `dag_method: DeclarationRef` is unique within
-/// the list. Empty lists vacuously pass (no rows to compare); once Substrate's
-/// method-decl registry lands and rows reference real method declarations,
-/// this check becomes load-bearing.
-fn assert_per_target_list_dag_method_unique(dag: &Dag, list_name: &str) {
-    let decl = dag
-        .declaration_by_name(list_name)
-        .unwrap_or_else(|| panic!("`{list_name}` missing from full bootstrap"));
-    let body = decl.value_body.as_ref().unwrap_or_else(|| {
-        panic!("`{list_name}` has no value body — must be a `data` declaration")
-    });
-    let ValueBody::List(rows) = body else {
-        panic!(
-            "`{list_name}` value body must be `ValueBody::List` \
-             (declared as `List<MethodTemplateContract>`); got {body:?}"
-        );
-    };
-
-    let mut seen: HashSet<DeclarationId> = HashSet::new();
-    for (idx, row) in rows.iter().enumerate() {
-        let fields = method_template_contract_row_fields(dag, row, list_name, idx);
-        let (_, dag_method) = fields
-            .iter()
-            .find(|(label, _)| label == "dag_method")
-            .unwrap_or_else(|| panic!("row {idx} in `{list_name}` missing `dag_method` field"));
-        let FieldValue::Record(method_ref_fields) = dag_method else {
-            panic!(
-                "row {idx} in `{list_name}`: `dag_method` must be a \
-                 `FieldValue::Record` (the `MethodRef {{ decl }}` shape); \
-                 got {dag_method:?}"
-            );
-        };
-        let (_, decl_field) = method_ref_fields
-            .iter()
-            .find(|(label, _)| label == "decl")
-            .unwrap_or_else(|| {
-                panic!("row {idx} in `{list_name}`: `MethodRef` missing `decl` field")
-            });
-        let FieldValue::Reference(decl_id) = decl_field else {
-            panic!(
-                "row {idx} in `{list_name}`: `MethodRef.decl` must be a \
-                 `FieldValue::Reference(DeclarationId)` pointing at a \
-                 `dsl/std/methods.dag` `MethodDeclaration`; got {decl_field:?}"
-            );
-        };
-        assert!(
-            seen.insert(*decl_id),
-            "duplicate `dag_method` in `{list_name}` at row {idx} — per-target \
-             MethodTemplateContract rows must be unique by `dag_method`"
-        );
-    }
-}
-
-fn method_template_contract_row_fields<'a>(
-    dag: &'a Dag,
-    row: &'a FieldValue,
-    list_name: &str,
-    row_index: usize,
-) -> &'a [(String, FieldValue)] {
-    match row {
-        FieldValue::Record(fields) => fields,
-        FieldValue::Reference(decl_id) => {
-            let decl = dag.declaration_opt(decl_id).unwrap_or_else(|| {
-                panic!(
-                    "row {row_index} in `{list_name}` references missing declaration {decl_id:?}"
-                )
-            });
-            let method_template_contract = dag
-                .declaration_by_name("MethodTemplateContract")
-                .expect("MethodTemplateContract carrier")
-                .id;
-            let TypeConnective::Instantiation { template, .. } = &decl.connective else {
-                panic!(
-                    "row {row_index} in `{list_name}` references {decl_id:?}, \
-                     but it does not instantiate MethodTemplateContract"
-                );
-            };
-            assert_eq!(
-                *template, method_template_contract,
-                "row {row_index} in `{list_name}` references {decl_id:?}, \
-                 but it does not instantiate MethodTemplateContract"
-            );
-            let Some(ValueBody::Structural { fields }) = decl.value_body.as_ref() else {
-                panic!(
-                    "row {row_index} in `{list_name}` references {decl_id:?}, \
-                     but it is not a structural MethodTemplateContract data declaration"
-                );
-            };
-            fields
-        }
-        _ => {
-            panic!(
-                "row {row_index} in `{list_name}` is neither a `FieldValue::Record` \
-                 nor a declaration ref to a MethodTemplateContract row"
-            );
-        }
-    }
-}
-
-fn method_ref_decl_from_row<'a>(
-    dag: &'a Dag,
-    row: &'a FieldValue,
-    list_name: &'static str,
-    row_index: usize,
-    row_context: &str,
-) -> (&'a DeclarationId, &'a FieldValue, &'a FieldValue) {
-    let fields = method_template_contract_row_fields(dag, row, list_name, row_index);
-    let (_, dag_method) = fields
-        .iter()
-        .find(|(label, _)| label == "dag_method")
-        .unwrap_or_else(|| panic!("{row_context}: missing `dag_method` field"));
-    let FieldValue::Record(method_ref_fields) = dag_method else {
-        panic!("{row_context}: `dag_method` is not MethodRef record");
-    };
-    let (_, decl_field) = method_ref_fields
-        .iter()
-        .find(|(label, _)| label == "decl")
-        .unwrap_or_else(|| panic!("{row_context}: MethodRef missing `decl` field"));
-    let FieldValue::Reference(decl_id) = decl_field else {
-        panic!("{row_context}: MethodRef.decl is not a reference");
-    };
-    let (_, emit_template) = fields
-        .iter()
-        .find(|(label, _)| label == "emit_template")
-        .unwrap_or_else(|| panic!("{row_context}: missing `emit_template` field"));
-    let (_, wraps_result) = fields
-        .iter()
-        .find(|(label, _)| label == "wraps_result")
-        .unwrap_or_else(|| panic!("{row_context}: missing `wraps_result` field"));
-    (decl_id, emit_template, wraps_result)
-}
-
-fn method_emit_template_variant_label(dag: &Dag, constructor: DeclarationId) -> &str {
-    let method_emit_template = dag
-        .declaration_by_name("MethodEmitTemplate")
-        .expect("MethodEmitTemplate");
-    let TypeConnective::Disj { variants } = &method_emit_template.connective else {
-        panic!("MethodEmitTemplate must be a Disj");
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == constructor)
-        .unwrap_or_else(|| panic!("unknown MethodEmitTemplate constructor {constructor:?}"))
-        .label
-        .as_str()
-}
-
-fn rust_method_template_rows(dag: &Dag) -> &[FieldValue] {
-    let decl = dag
-        .declaration_by_name("rust_method_template_contracts")
-        .expect("rust_method_template_contracts");
-    let body = decl.value_body.as_ref().expect("value body");
-    let ValueBody::List(rows) = body else {
-        panic!("rust_method_template_contracts must lower to ValueBody::List");
-    };
-    rows
-}
-
-#[test]
-fn rust_higher_order_method_template_contracts_are_present() {
-    let dag = generated_full_bootstrap_dag();
-    let rows = rust_method_template_rows(&dag);
-    let mut seen = HashSet::new();
-    let expected_wraps: HashMap<&str, bool> = [
-        ("filter_method", true),
-        ("any_method", false),
-        ("all_method", false),
-        ("flat_map_method", true),
-    ]
-    .into_iter()
-    .collect();
-
-    for (idx, row) in rows.iter().enumerate() {
-        let (decl_id, emit_template, wraps_result) = method_ref_decl_from_row(
-            &dag,
-            row,
-            "rust_method_template_contracts",
-            idx,
-            &format!("rust row {idx}"),
-        );
-        let method_name = dag
-            .declaration(*decl_id)
-            .name
-            .as_deref()
-            .unwrap_or("<unnamed>");
-        if ![
-            "all_method",
-            "any_method",
-            "filter_method",
-            "flat_map_method",
-        ]
-        .contains(&method_name)
-        {
-            continue;
-        }
-        seen.insert(method_name.to_string());
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = emit_template
-        else {
-            panic!("{method_name}: emit_template must be MethodEmitTemplate variant");
-        };
-        assert_eq!(
-            method_emit_template_variant_label(&dag, *constructor),
-            "HigherOrderTemplates",
-            "{method_name} must use the higher-order template variant"
-        );
-        assert_eq!(
-            payload.len(),
-            2,
-            "{method_name}: HigherOrderTemplates must carry inline and fn-ref templates only"
-        );
-        assert!(
-            matches!(&payload[0], FieldValue::Literal(LiteralBits::String(s)) if s.contains("{param}") && s.contains("{iter}")),
-            "{method_name}: inline_template should preserve legacy inline placeholders"
-        );
-        assert!(
-            matches!(&payload[1], FieldValue::Literal(LiteralBits::String(s)) if s.contains("{arg}")),
-            "{method_name}: fn_ref_template should preserve legacy fn-ref placeholder"
-        );
-        let FieldValue::Literal(LiteralBits::Bool(row_wraps)) = wraps_result else {
-            panic!("{method_name}: wraps_result must be the row-level Bool wrapping authority");
-        };
-        assert!(
-            *row_wraps == expected_wraps[method_name],
-            "{method_name}: wraps_result must preserve legacy higher-order wrapping bit"
-        );
-    }
-
-    assert_eq!(
-        seen,
-        [
-            "all_method",
-            "any_method",
-            "filter_method",
-            "flat_map_method"
-        ]
-        .into_iter()
-        .map(String::from)
-        .collect(),
-        "Rust MethodTemplateContract rows must include the four higher-order methods"
-    );
-}
-
-#[test]
-fn method_template_contract_per_target_dag_method_unique() {
-    // Phase 1 (T-Ground-LanguageSpec scope E.1): per-target row lists landed
-    // at `src/v3/std/{rust,python,go}_method_template_contracts.dag`,
-    // populated with registry-backed `MethodRef` rows referencing
-    // `dsl/std/methods.dag`. The walker is now load-bearing: each row
-    // references a top-level `MethodDeclaration` and uniqueness within each
-    // list is verified structurally.
-    let dag = generated_full_bootstrap_dag();
-    for list_name in EXPECTED_PER_TARGET_LISTS {
-        assert_per_target_list_dag_method_unique(&dag, list_name);
-    }
-}
-
-const EXPECTED_PER_TARGET_LISTS: &[&str] = &[
-    "rust_method_template_contracts",
-    "python_method_template_contracts",
-    "go_method_template_contracts",
-];
-
-/// R3 Debt-Paydown — `diagnostics_empty_after_bootstrap` ratchet for the
-/// method-template-contract bootstrap fixture authorities.
-///
-/// Per `ROADMAP.md:502` (`go_method_template_contracts` live diagnostic
-/// mismatch dissolution) and `ROADMAP.md:504,576` (general
-/// `diagnostics_empty_after_bootstrap` pattern), and the
-/// `docs/debt/r3-debt-paydown-ledger-2026-05-02.md:82` row, the
-/// dissolution requires a single combined ratchet that asserts, for
-/// every method-template-contract data declaration:
-///
-///   1. The declaration is present in the full bootstrap Dag.
-///   2. Its `value_body` lowers to `ValueBody::List(_)` (not `Map`,
-///      not the no-body fallback).
-///   3. The bootstrap Dag carries an empty `diagnostics()` table.
-///
-/// (1) and (2) overlap with `method_template_contract_per_target_dag_method_unique`,
-/// but the existing test does not pin the diagnostics-empty axis;
-/// (3) overlaps with `pb1_bootstrap_full_snapshot_test::generated_full_bootstrap_snapshots_have_no_diagnostics`,
-/// but that test does not anchor on the per-contract authority. This
-/// test combines both axes so that a future shape regression on any
-/// of the 3 contracts cannot pass over a semantically diagnostic
-/// bootstrap Dag (which is the failure mode the ROADMAP row describes).
-#[test]
-fn bootstrap_method_template_contracts_lower_to_list_with_empty_diagnostics() {
-    let dag = generated_full_bootstrap_dag();
-
-    // Axis 3 first: assert the bootstrap Dag is diagnostic-clean
-    // before per-contract structural checks. A noisy bootstrap means
-    // any per-contract assertion would be passing over a Dag the
-    // compiler already flagged as broken — exactly the failure mode
-    // ROADMAP.md:504 names.
-    assert!(
-        dag.diagnostics().is_empty(),
-        "diagnostics_empty_after_bootstrap ratchet failed: bootstrap Dag carries diagnostics: {:?}",
-        dag.diagnostics()
-    );
-
-    // Axes 1 + 2 per contract: each declaration must be present and
-    // lower to ValueBody::List. assert_per_target_list_dag_method_unique
-    // already covers this with the same panics; we re-invoke it here
-    // so the combined gate is one test, one failure surface, one
-    // dissolution receipt.
-    for list_name in EXPECTED_PER_TARGET_LISTS {
-        assert_per_target_list_dag_method_unique(&dag, list_name);
-    }
-}
diff --git a/src/v3/compiler/tests/integration/method_template_projection_emit_shim_coherence_test.rs b/src/v3/compiler/tests/integration/method_template_projection_emit_shim_coherence_test.rs
deleted file mode 100644
index e2ccd5cdbc0..00000000000
--- a/src/v3/compiler/tests/integration/method_template_projection_emit_shim_coherence_test.rs
+++ /dev/null
@@ -1,105 +0,0 @@
-//! §1.8 gate **`method_template_projection_emit_shim_retirement_coherence`** (ledger row **#97**).
-//!
-//! Q-V2-Retirement-Boundary-Matrix consumer: **terminal state** after the legacy compiler tree and Gap-4
-//! emit-shim retirement (Gunbc **#1982**). While the tree existed, Gap-4 required
-//! `pb_method_template_projection_dag_emit` + the `emit_method_template_projection` bin; after PB deletes
-//! the tree, those surfaces must be **absent** (`Cargo.toml` `[[bin]]`, `lib.rs` export, sources, census —
-//! Grounding G6).
-//!
-//! **Pass condition.** `legacy_stage0` joins `workspace_root`, `src`, `v2`, and `stage0` as path segments
-//! (no forbidden contiguous path literal in source). If that directory exists, the shim triplet must exist;
-//! otherwise none of the shim artifacts may remain.
-//!
-//! **`autobins = false`** (`src/v3/compiler/Cargo.toml`): when the shim was load-bearing, the explicit
-//! **`[[bin]]`** table mattered, not merely `src/bin/*.rs` on disk.
-
-use std::path::PathBuf;
-
-/// True iff `Cargo.toml` contains a `[[bin]]` table naming `emit_method_template_projection` with the
-/// canonical `path = "src/bin/emit_method_template_projection.rs"` (PB #1560 Gap-4 / regen consumer wiring).
-fn cargo_toml_declares_emit_method_template_projection_bin(cargo_toml: &str) -> bool {
-    let lines: Vec<&str> = cargo_toml.lines().collect();
-    let mut i = 0;
-    while i < lines.len() {
-        if lines[i].trim() == "[[bin]]" {
-            i += 1;
-            let block_start = i;
-            while i < lines.len() && !lines[i].trim().starts_with("[[") {
-                i += 1;
-            }
-            let mut has_name = false;
-            let mut has_path = false;
-            for line in &lines[block_start..i] {
-                let t = line.trim();
-                if let Some(rest) = t.strip_prefix("name") {
-                    let rest = rest.trim_start();
-                    if let Some(rest) = rest.strip_prefix('=') {
-                        let v = rest.trim().trim_matches('"');
-                        if v == "emit_method_template_projection" {
-                            has_name = true;
-                        }
-                    }
-                }
-                if let Some(rest) = t.strip_prefix("path") {
-                    let rest = rest.trim_start();
-                    if let Some(rest) = rest.strip_prefix('=') {
-                        let v = rest.trim().trim_matches('"');
-                        if v == "src/bin/emit_method_template_projection.rs" {
-                            has_path = true;
-                        }
-                    }
-                }
-            }
-            if has_name && has_path {
-                return true;
-            }
-            continue;
-        }
-        i += 1;
-    }
-    false
-}
-
-#[test]
-fn method_template_projection_emit_shim_retirement_coherence() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let workspace_root = manifest_dir.join("..").join("..").join("..");
-    assert!(
-        workspace_root.join("Cargo.toml").is_file(),
-        "expected workspace root at {}",
-        workspace_root.display()
-    );
-
-    let legacy_stage0 = workspace_root.join("src").join("v2").join("stage0");
-    let shim_lib =
-        workspace_root.join("src/v3/compiler/src/pb_method_template_projection_dag_emit.rs");
-    let shim_bin =
-        workspace_root.join("src/v3/compiler/src/bin/emit_method_template_projection.rs");
-
-    let cargo_toml_path = manifest_dir.join("Cargo.toml");
-    let cargo_toml = std::fs::read_to_string(&cargo_toml_path)
-        .unwrap_or_else(|e| panic!("§1.8 gate #97: read {}: {e}", cargo_toml_path.display()));
-    let bin_manifest = cargo_toml_declares_emit_method_template_projection_bin(&cargo_toml);
-
-    let legacy_tree_present = legacy_stage0.is_dir();
-    let shim_lib_present = shim_lib.is_file();
-    let shim_bin_present = shim_bin.is_file();
-
-    assert!(
-        !legacy_tree_present || (shim_lib_present && shim_bin_present && bin_manifest),
-        "§1.8 gate #97: with legacy stage0 at {}, Gap-4 emit shim must remain \
-         (`pb_method_template_projection_dag_emit` + `emit_method_template_projection` bin + \
-         `[[bin]]` in {}); saw shim_lib={shim_lib_present} shim_rs={shim_bin_present} \
-         cargo_bin_table={bin_manifest}",
-        legacy_stage0.display(),
-        cargo_toml_path.display(),
-    );
-
-    assert!(
-        legacy_tree_present || (!shim_lib_present && !shim_bin_present && !bin_manifest),
-        "§1.8 gate #97: legacy tree removed but Gap-4 emit shim still present — retire \
-         `pb_method_template_projection_dag_emit.rs`, `emit_method_template_projection` bin target in \
-         `Cargo.toml`, `emit_method_template_projection.rs`, \
-         `lib.rs` export, and census entries per Gunbc #1982 (Grounding G6)"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/no_coercion_cost_dimension_ratchet_test.rs b/src/v3/compiler/tests/integration/no_coercion_cost_dimension_ratchet_test.rs
deleted file mode 100644
index 6bbe089a1cb..00000000000
--- a/src/v3/compiler/tests/integration/no_coercion_cost_dimension_ratchet_test.rs
+++ /dev/null
@@ -1,143 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 §1.8 gate **#39** `no_coercion_cost_dimension` (T-CostLens-Composition):
-//! the substrate must not introduce a parallel **coercion-cost** carrier
-//! alongside `SymbolicCost` (see `src/v3/lenses/cost.dag` disposition notes).
-//!
-//! Mechanical receipt: walk `src/v3/{std,lenses,spec}/**/*.dag` and assert no
-//! `CoercionCost` identifier appears outside line comments (with `://` skipped so
-//! hypothetical URL literals do not false-positive). Matches only at identifier
-//! boundaries so names like `NoCoercionCost` do not false-positive.
-
-use std::fs;
-use std::path::{Path, PathBuf};
-
-fn workspace_root() -> PathBuf {
-    // Same contract as `self_gen0_census_test::workspace_root`: `CARGO_MANIFEST_DIR` is
-    // `src/v3/compiler/`; the repo root is the third ancestor.
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    manifest_dir
-        .ancestors()
-        .nth(3)
-        .expect("workspace root is three ancestors above src/v3/compiler/")
-        .to_path_buf()
-}
-
-/// Strip a trailing `// …` line comment when it is not part of a `scheme://`
-/// spelling (so `http://` does not truncate the line at `//`).
-fn dag_line_without_trailing_line_comment(line: &str) -> &str {
-    let trimmed = line.trim_start();
-    if trimmed.starts_with("//") || trimmed.is_empty() {
-        return "";
-    }
-    let bytes = line.as_bytes();
-    let mut i = 0usize;
-    while i + 1 < bytes.len() {
-        if bytes[i] == b'/' && bytes[i + 1] == b'/' {
-            if i >= 1 && bytes[i - 1] == b':' {
-                i += 2;
-                continue;
-            }
-            return line[..i].trim_end();
-        }
-        i += 1;
-    }
-    line.trim_end()
-}
-
-fn is_dag_ident_continue(b: u8) -> bool {
-    b.is_ascii_alphanumeric() || b == b'_'
-}
-
-/// True when `needle` occurs in `s` as its own identifier / word (not as a substring of a longer
-/// identifier such as `NoCoercionCost`).
-fn contains_standalone_needle(s: &str, needle: &str) -> bool {
-    let bytes = s.as_bytes();
-    for (idx, _) in s.match_indices(needle) {
-        let before_ok = idx == 0 || !is_dag_ident_continue(bytes[idx - 1]);
-        let after_idx = idx + needle.len();
-        let after_ok = after_idx >= bytes.len() || !is_dag_ident_continue(bytes[after_idx]);
-        if before_ok && after_ok {
-            return true;
-        }
-    }
-    false
-}
-
-fn collect_dag_files(dir: &Path, out: &mut Vec<PathBuf>) {
-    let entries = fs::read_dir(dir).unwrap_or_else(|e| panic!("read_dir {}: {e}", dir.display()));
-    for ent in entries {
-        let ent = ent.unwrap_or_else(|e| panic!("read_dir entry {}: {e}", dir.display()));
-        let p = ent.path();
-        if p.is_dir() {
-            collect_dag_files(&p, out);
-        } else if p.extension().is_some_and(|x| x == "dag") {
-            out.push(p);
-        }
-    }
-}
-
-#[test]
-fn no_coercion_cost_dimension_substrate_dag_has_no_coercion_cost_carrier_token() {
-    let root = workspace_root();
-    let mut paths = Vec::new();
-    for rel in ["src/v3/std", "src/v3/lenses", "src/v3/spec"] {
-        let dir = root.join(rel);
-        assert!(
-            dir.is_dir(),
-            "expected substrate directory {} — gate #39 scope drift?",
-            dir.display()
-        );
-        collect_dag_files(&dir, &mut paths);
-    }
-    paths.sort();
-    paths.dedup();
-
-    const NEEDLE: &str = "CoercionCost";
-    let mut hits = Vec::new();
-
-    for path in paths {
-        let source =
-            fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-        for (line_no, line) in source.lines().enumerate() {
-            let code = dag_line_without_trailing_line_comment(line);
-            if contains_standalone_needle(code, NEEDLE) {
-                hits.push(format!(
-                    "{}:{}: {}",
-                    path.strip_prefix(&root).unwrap_or(&path).display(),
-                    line_no + 1,
-                    line.trim_end()
-                ));
-            }
-        }
-    }
-
-    assert!(
-        hits.is_empty(),
-        "R3 gate #39 (`no_coercion_cost_dimension`): standalone `CoercionCost` identifier must \
-         not appear in v3 substrate `.dag` sources outside comments — parallel coercion-cost \
-         dimension is forbidden. Offenders:\n{}",
-        hits.join("\n")
-    );
-}
-
-#[cfg(test)]
-mod standalone_needle_tests {
-    use super::contains_standalone_needle;
-
-    #[test]
-    fn coercion_cost_needle_rejects_longer_identifier_containing_suffix() {
-        assert!(!contains_standalone_needle(
-            "type NoCoercionCost = Int",
-            "CoercionCost"
-        ));
-    }
-
-    #[test]
-    fn coercion_cost_needle_finds_exact_type_name() {
-        assert!(contains_standalone_needle(
-            "type CoercionCost = Int",
-            "CoercionCost"
-        ));
-    }
-}
diff --git a/src/v3/compiler/tests/integration/parse_corpus_manifest.txt b/src/v3/compiler/tests/integration/parse_corpus_manifest.txt
deleted file mode 100644
index 4f4994bbee0..00000000000
--- a/src/v3/compiler/tests/integration/parse_corpus_manifest.txt
+++ /dev/null
@@ -1,68 +0,0 @@
-# AUTO-GENERATED by `cargo test -p v3-compiler refresh_handwritten_parse_snapshot_manifest -- --ignored`
-# SG-2 parser staging: snapshots generated-parser surface output over the parse corpus.
-# path\titems\tdebug_bytes\tfnv1a64
-dsl/std/algebra.dag	37	165680	20af3b3ea1ec59df
-dsl/std/bit.dag	9	7787	09279906a3939377
-dsl/std/float.dag	13	8702	2a65fc1d97769eae
-dsl/std/integer.dag	27	28654	03818aeb82802366
-dsl/std/logic.dag	5	5614	bb0fc43f94c4374f
-dsl/std/machine_constraints.dag	4	1682	ac8d7987ef5489c2
-dsl/std/magnitude.dag	2	560	d1579da2ea458db8
-dsl/std/nat.dag	4	1895	9c5eb0ac8d25a015
-dsl/std/rational.dag	4	2379	3c3b86f7e18caf82
-dsl/std/string_type.dag	4	1910	2564a01bbb75f338
-dsl/std/types.dag	111	203583	811b0d711eccebfd
-src/v3/compiler/operators.dag	5	47160	b75a91c65bf8a242
-src/v3/compiler/parse_tables.dag	43	92946	f6a6c0d08e3081bb
-src/v3/compiler/pipeline.dag	26	47032	a13b41aa379fd167
-src/v3/compiler/regen.dag	13	37994	7f3a38d06dc1f6aa
-src/v3/compiler/tests/four_fixture_pressure/drop.v3	2	2521	f2d6d34fc9bba867
-src/v3/compiler/tests/four_fixture_pressure/id.v3	2	2454	f9bf3fc0b8c45479
-src/v3/compiler/tests/four_fixture_pressure/is_empty.v3	3	6755	00117f14eb43dd20
-src/v3/compiler/tests/four_fixture_pressure/wrap.v3	4	5191	368627be99fb9e2e
-src/v3/compiler/tokenize.dag	30	64729	a09e8ee743b88008
-src/v3/spec/go.dag	131	1170818	f15e16b87ffb890e
-src/v3/spec/python.dag	93	602265	18b7594597312753
-src/v3/spec/rust.dag	183	1390315	fd427d594fc115ad
-src/v3/spec/v3_l1.dag	8	2246	57294d687b4753f4
-src/v3/std/algebra.dag	55	445273	bddda5746a775d69
-src/v3/std/anthropic_messages.dag	5	6056	25140dcf6faa8e6b
-src/v3/std/anthropic_operations.dag	6	3404	dd21c48c4ece471b
-src/v3/std/anthropic_schema.dag	15	71476	3d1bd3cc824144ea
-src/v3/std/approximate_field.dag	11	16864	ccbe4826dc31c636
-src/v3/std/bin_shim.dag	4	2544	9ac96f1b3feafe47
-src/v3/std/bootstrap_authority.dag	4	75864	d9c5d8fb10e8dad0
-src/v3/std/bridge_ledger.dag	7	36072	4c795fafb7530441
-src/v3/std/clean_emission.dag	15	23867	e7bc1e6145f4781e
-src/v3/std/computation.dag	20	39788	dd667b9961b6101b
-src/v3/std/computation_model.dag	14	22953	20e458fe097d175a
-src/v3/std/coproduct_projection.dag	7	7380	afb0d131b9ff2fa4
-src/v3/std/cross_target_coverage.dag	17	377306	21d3cc29457e4aca
-src/v3/std/diagnostics.dag	12	21932	58629555d52940b1
-src/v3/std/dimensions.dag	21	39170	c6833b618a39e0af
-src/v3/std/effects.dag	53	97986	a7e76d1378ca354d
-src/v3/std/emission_provenance.dag	6	4966	ac93c5c74cb4f9f9
-src/v3/std/emit_model.dag	44	83040	affde4f732f411ec
-src/v3/std/extdeps_bootstrap_fixtures.dag	4	23937	904ef09cfb122408
-src/v3/std/go_method_template_contracts.dag	14	133273	43ccd439b5e388ea
-src/v3/std/induction.dag	62	116145	bfb8e610fca3f217
-src/v3/std/integer_diagnostic_order.dag	6	8124	5d7b31594a5b3d5c
-src/v3/std/lens.dag	6	9852	28d5539a5b28716e
-src/v3/std/lens_application.dag	10	15962	5aa2ac2fadfba5bc
-src/v3/std/list.dag	19	40269	8c648d4a4fd05c21
-src/v3/std/lookup.dag	5	4734	133fcf2d6a90d4bc
-src/v3/std/methods.dag	3	1388	b61693641c32d74b
-src/v3/std/parse_surface.dag	18	103880	4a4cc6ff47624172
-src/v3/std/python_method_template_contracts.dag	14	165563	ced39dd0f40136ab
-src/v3/std/resources.dag	5	3632	5303e31e96b01ee5
-src/v3/std/runtime.dag	15	19230	3e1bda4bee413db0
-src/v3/std/rust_method_template_contracts.dag	9	109835	0dcfd835cabf716a
-src/v3/std/services.dag	8	5791	cd160d335c6837b6
-src/v3/std/substrate.dag	67	145984	96fb23db7b9d3438
-src/v3/std/substrate_minimal.dag	8	5372	feeb314c735f4672
-src/v3/std/t_ci_workflow_as_data_demo.dag	27	181014	161732a2a68f8a4d
-src/v3/std/termination.dag	26	47001	93f2a888194f9e4f
-src/v3/std/timing_lens.dag	29	150036	da5486c85292dc0e
-src/v3/std/tokenize.dag	8	38837	d12814269ec09247
-src/v3/std/verification.dag	36	80066	d660d7b982f0adcd
-src/v3/std/workflows.dag	4	3135	bb6f9b042a02e8d6
diff --git a/src/v3/compiler/tests/integration/pb1_bootstrap_full_snapshot_test.rs b/src/v3/compiler/tests/integration/pb1_bootstrap_full_snapshot_test.rs
deleted file mode 100644
index ae3b1023e11..00000000000
--- a/src/v3/compiler/tests/integration/pb1_bootstrap_full_snapshot_test.rs
+++ /dev/null
@@ -1,275 +0,0 @@
-//! **Layer:** integration
-//!
-//! PB-1-e: in-tree DB-8 cross-check is structural — committed snapshots are
-//! internally consistent; `Dag::new()` is diagnostic-clean and byte-stable across
-//! clones; the std-only snapshot is a strict prefix-shape of the full snapshot.
-//! The fresh-compile vs committed snapshot contract is enforced by CI
-//! `regen_bootstrap --verify` (`--features bootstrap-regen-fresh`), not on every
-//! `cargo test`. See `docs/briefs/pb-1-e-residual-scaffold-retirement-worker.md`.
-
-use v3_compiler::{
-    dag::{DeclarationId, FieldValue, TypeConnective, ValueBody},
-    generated_full_bootstrap_dag, generated_full_bootstrap_without_parse_surface_dag,
-    generated_std_bootstrap_dag,
-    serialize::{first_difference, serialize_dag},
-    Dag, BOOTSTRAP_FIXTURE_PATH_KEYS,
-};
-
-use std::collections::BTreeSet;
-
-const EXPECTED_DIAGNOSTICS_EMPTY_BOOTSTRAP_FIXTURES: &[&str] = &[
-    "dsl/extdeps/languages/rust/primitives.dag",
-    "src/v3/std/rust_method_template_contracts.dag",
-    "src/v3/std/python_method_template_contracts.dag",
-    "src/v3/std/go_method_template_contracts.dag",
-    "src/v3/std/anthropic_operations.dag",
-    "src/v3/std/cross_target_coverage.dag",
-    "dsl/extdeps/cron/schedule_model.dag",
-    "dsl/extdeps/github/github.dag",
-    "dsl/extdeps/github/actions.dag",
-    "dsl/extdeps/github/ci.dag",
-];
-
-#[test]
-fn full_bootstrap_extends_std_snapshot() {
-    let std_only = generated_std_bootstrap_dag();
-    let full = generated_full_bootstrap_dag();
-    assert!(
-        first_difference(&std_only, &full).is_some(),
-        "full bootstrap unexpectedly identical to std-only snapshot"
-    );
-}
-
-#[test]
-fn generated_std_bootstrap_snapshot_has_no_diagnostics() {
-    let dag = generated_std_bootstrap_dag();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "expected clean std snapshot bootstrap, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn generated_std_bootstrap_snapshot_includes_bool() {
-    let dag = generated_std_bootstrap_dag();
-    assert!(
-        dag.declaration_by_name("Bool").is_some(),
-        "std snapshot should include kernel Bool"
-    );
-}
-
-#[test]
-fn generated_full_bootstrap_snapshots_have_no_diagnostics() {
-    for (label, dag) in [
-        ("full", generated_full_bootstrap_dag()),
-        (
-            "without_parse_surface",
-            generated_full_bootstrap_without_parse_surface_dag(),
-        ),
-    ] {
-        assert!(
-            dag.diagnostics().is_empty(),
-            "{label}: expected clean generated bootstrap, got {:?}",
-            dag.diagnostics()
-        );
-    }
-}
-
-#[test]
-fn diagnostics_empty_after_bootstrap_for_bootstrap_authority() {
-    let dag = generated_full_bootstrap_dag();
-    let violations: Vec<String> = dag
-        .diagnostics()
-        .iter_attributed()
-        .filter(|(_, _, attribution)| attribution.is_bootstrap())
-        .map(|(port, diagnostic, attribution)| {
-            let authority = attribution
-                .as_bootstrap_authority()
-                .expect("is_bootstrap attribution carries a BootstrapAuthorityKey");
-            format!(
-                "port {port:?}: bootstrap authority {} emitted diagnostic: {}",
-                authority.path(),
-                diagnostic.message()
-            )
-        })
-        .collect();
-
-    assert!(
-        violations.is_empty(),
-        "diagnostics_empty_after_bootstrap violations:\n{}",
-        violations.join("\n")
-    );
-}
-
-#[test]
-fn diagnostics_empty_after_bootstrap_inventory_covers_all_bootstrap_fixtures() {
-    let dag = generated_full_bootstrap_dag();
-    let fixture_paths = dag
-        .bootstrap_fixture_virtual_paths()
-        .expect("bootstrap_fixture_authority lowers to structural virtual_path rows");
-    let fixture_paths: Vec<&str> = fixture_paths.iter().map(String::as_str).collect();
-
-    assert_eq!(
-        fixture_paths, EXPECTED_DIAGNOSTICS_EMPTY_BOOTSTRAP_FIXTURES,
-        "diagnostics_empty_after_bootstrap fixture inventory changed; update this ratchet with the new bootstrap fixture authority"
-    );
-    assert_eq!(
-        BOOTSTRAP_FIXTURE_PATH_KEYS, EXPECTED_DIAGNOSTICS_EMPTY_BOOTSTRAP_FIXTURES,
-        "regen fixture path keys must stay covered by the diagnostics-empty fixture inventory"
-    );
-
-    let authority_rows = bootstrap_authority_rows(&dag);
-    let authority_paths: BTreeSet<&str> = authority_rows
-        .iter()
-        .map(|(_, path)| path.as_str())
-        .collect();
-    for path in EXPECTED_DIAGNOSTICS_EMPTY_BOOTSTRAP_FIXTURES {
-        assert!(
-            authority_paths.contains(path),
-            "bootstrap fixture `{path}` must also be represented in bootstrap_authority so diagnostics can be attributed structurally"
-        );
-    }
-
-    assert!(
-        dag.diagnostics().is_empty(),
-        "diagnostics_empty_after_bootstrap fixture inventory failed: bootstrap Dag carries diagnostics: {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn generated_full_bootstrap_snapshots_include_parse_stage() {
-    for (label, dag) in [
-        ("full", generated_full_bootstrap_dag()),
-        (
-            "without_parse_surface",
-            generated_full_bootstrap_without_parse_surface_dag(),
-        ),
-    ] {
-        assert!(
-            dag.declaration_by_name("parse").is_some(),
-            "{label}: expected pipeline `parse` stage in bootstrap Dag"
-        );
-    }
-}
-
-#[test]
-fn dag_new_bootstrap_is_clean_and_byte_stable() {
-    let first = Dag::new();
-    assert!(
-        first.diagnostics().is_empty(),
-        "Dag::new() bootstrap should be clean, got {:?}",
-        first.diagnostics()
-    );
-
-    let second = Dag::new();
-    assert!(
-        first_difference(&first, &second).is_none(),
-        "Dag::new() should clone a stable committed bootstrap snapshot"
-    );
-    assert_eq!(
-        serialize_dag(&first),
-        serialize_dag(&second),
-        "Dag::new() serialized bootstrap bytes should be stable across clones"
-    );
-}
-
-#[test]
-fn bootstrap_authority_rows_match_full_bootstrap_source_files() {
-    let dag = generated_full_bootstrap_dag();
-    let authority_rows = bootstrap_authority_rows(&dag);
-
-    let authority_paths: BTreeSet<&str> = authority_rows
-        .iter()
-        .map(|(_, path)| path.as_str())
-        .collect();
-    let source_files: BTreeSet<&str> = dag
-        .declarations()
-        .iter()
-        .map(|decl| decl.span.file.as_str())
-        .collect();
-
-    assert_eq!(
-        authority_paths, source_files,
-        "`bootstrap_authority` must match the committed full bootstrap snapshot's source-file membership"
-    );
-
-    for (kind, path) in authority_rows {
-        match kind.as_str() {
-            "StdAuthority" => assert!(
-                path.starts_with("dsl/std/"),
-                "StdAuthority row points outside dsl/std: {path}"
-            ),
-            "V3StdAuthority" => assert!(
-                path.starts_with("src/v3/std/"),
-                "V3StdAuthority row points outside src/v3/std: {path}"
-            ),
-            "V3SpecAuthority" => assert!(
-                path.starts_with("src/v3/spec/"),
-                "V3SpecAuthority row points outside src/v3/spec: {path}"
-            ),
-            "CompilerAuthority" => assert!(
-                path.starts_with("src/v3/compiler/"),
-                "CompilerAuthority row points outside src/v3/compiler: {path}"
-            ),
-            "ExtdepsFixtureAuthority" => assert!(
-                path.starts_with("dsl/extdeps/"),
-                "ExtdepsFixtureAuthority row points outside dsl/extdeps: {path}"
-            ),
-            other => panic!("unexpected BootstrapAuthorityKind row: {other}"),
-        }
-    }
-}
-
-fn bootstrap_authority_rows(dag: &Dag) -> Vec<(String, String)> {
-    let decl = dag
-        .declaration_by_name("bootstrap_authority")
-        .expect("full bootstrap loads bootstrap_authority");
-    let variant_labels = bootstrap_authority_variant_labels(dag);
-    let Some(ValueBody::Map(rows)) = decl.value_body.as_ref() else {
-        panic!("bootstrap_authority should lower to a structural map body");
-    };
-
-    rows.entries()
-        .iter()
-        .map(|(key, authority)| {
-            let FieldValue::Variant {
-                constructor,
-                payload,
-            } = authority
-            else {
-                panic!("bootstrap_authority map value should lower to a variant");
-            };
-            let kind = dag
-                .declaration(*constructor);
-            let kind = variant_labels
-                .iter()
-                .find_map(|(id, label)| (*id == *constructor).then(|| label.clone()))
-                .unwrap_or_else(|| {
-                    panic!(
-                        "BootstrapAuthority variant constructor {:?} should appear in BootstrapAuthority",
-                        kind.id
-                    )
-                });
-            assert!(
-                payload.is_empty(),
-                "BootstrapAuthority variants should not carry duplicate path payloads"
-            );
-            (kind, key.clone())
-        })
-        .collect()
-}
-
-fn bootstrap_authority_variant_labels(dag: &Dag) -> Vec<(DeclarationId, String)> {
-    let decl = dag
-        .declaration_by_name("BootstrapAuthority")
-        .expect("full bootstrap loads BootstrapAuthority");
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        panic!("BootstrapAuthority should lower to a disjunction");
-    };
-    variants
-        .iter()
-        .map(|variant| (variant.ty, variant.label.clone()))
-        .collect()
-}
diff --git a/src/v3/compiler/tests/integration/pb_method_template_projection_test.rs b/src/v3/compiler/tests/integration/pb_method_template_projection_test.rs
deleted file mode 100644
index 21705d36fbd..00000000000
--- a/src/v3/compiler/tests/integration/pb_method_template_projection_test.rs
+++ /dev/null
@@ -1,234 +0,0 @@
-//! **Layer:** integration
-//!
-//! Acceptance for the PB-Bootstrap-Process consumer hook
-//! (`pb_method_template_projection`) lands as part of **R3 row 85 / PB #1560
-//! Gap 4** per `docs/decisions/r3-row85-method-template-read-surface.md`.
-//!
-//! What this exercises:
-//!
-//! 1. The hook reads the **same full bootstrap `Dag` projection** that the
-//!    row-authority decision names (`generated_full_bootstrap_dag()`); no
-//!    parallel template-text source.
-//! 2. All five `MethodTemplateContract` fields (`dag_method`,
-//!    `runtime_template`, `emit_template`, `wraps_result`,
-//!    `placeholder_convention`) land on every projected row (Gap 4 A4).
-//! 3. The sum carriers (`MethodEmitTemplate`, `PlaceholderConvention`) are
-//!    preserved as constructor-tagged enums, not flattened to strings — so
-//!    no `Map<String, String>` template-text authority leaks through the
-//!    public API (Gap 4 A2; type-level proof, not a grep ratchet).
-//! 4. Spot-check: the `count` row for the Rust target has the legacy
-//!    runtime/emit pair drift documented in
-//!    `src/v3/std/rust_method_template_contracts.dag` (`{recv}.len()` vs
-//!    `({recv}.len() as i64)`). This anchors the projection against real
-//!    row text without reproducing template strings as test fixtures.
-//!
-//! Out of scope (per the dispatch / packet §5.3):
-//! - `LanguageSpec` rewrite (Gap 5).
-//! - v2 leaf-emit migration.
-//! - Row population (the `string_contains` / Go `chars` parity gaps).
-
-use v3_compiler::generated_full_bootstrap_dag;
-use v3_compiler::pb_method_template_projection::{
-    method_template_contract_row, method_template_contract_rows, MethodDeclarationBindingViolation,
-    MethodEmitTemplateProjection, MethodTemplateProjectionError, MethodTemplateTarget,
-    PlaceholderConventionProjection,
-};
-
-#[test]
-fn projects_every_target_with_all_five_fields() {
-    let dag = generated_full_bootstrap_dag();
-
-    for target in [
-        MethodTemplateTarget::Rust,
-        MethodTemplateTarget::Python,
-        MethodTemplateTarget::Go,
-    ] {
-        let rows = method_template_contract_rows(&dag, target).unwrap_or_else(|err| {
-            panic!("projection for {target:?} returned typed error: {err:?}")
-        });
-        assert!(
-            !rows.is_empty(),
-            "projection for {target:?} returned zero rows — \
-             per-target list authority must be populated in the bootstrap snapshot"
-        );
-
-        for (index, row) in rows.iter().enumerate() {
-            // dag_method is a structural reference into the bootstrap Dag.
-            // Resolving it must succeed; it is the substrate identity for the
-            // row's MethodDeclaration.
-            let _decl = dag.declaration(row.dag_method);
-
-            // runtime_template is a non-empty string for every populated row.
-            assert!(
-                !row.runtime_template.is_empty(),
-                "{target:?} row {index}: runtime_template must not be empty"
-            );
-
-            // emit_template's variant payload carries non-empty templates.
-            // The match preserves the substrate sum identity; consumers see
-            // the variant, not a flattened string.
-            match &row.emit_template {
-                MethodEmitTemplateProjection::Single { template } => {
-                    assert!(
-                        !template.is_empty(),
-                        "{target:?} row {index}: SingleTemplate.template must not be empty"
-                    );
-                }
-                MethodEmitTemplateProjection::HigherOrder {
-                    inline_template,
-                    fn_ref_template,
-                } => {
-                    assert!(
-                        !inline_template.is_empty(),
-                        "{target:?} row {index}: HigherOrderTemplates.inline_template must not be empty"
-                    );
-                    assert!(
-                        !fn_ref_template.is_empty(),
-                        "{target:?} row {index}: HigherOrderTemplates.fn_ref_template must not be empty"
-                    );
-                }
-            }
-
-            // placeholder_convention's variant identity must be one of the
-            // two declared inhabitants. Pattern match enforces this
-            // exhaustively at the type level.
-            let _convention = match row.placeholder_convention {
-                PlaceholderConventionProjection::IndexedArgs => "IndexedArgs",
-                PlaceholderConventionProjection::NamedArg => "NamedArg",
-            };
-
-            // wraps_result is a typed bool. Asserting via a redundant pattern
-            // simply records that the field is statically present in the
-            // projection — a five-field acceptance receipt.
-            let _wraps: bool = row.wraps_result;
-        }
-    }
-}
-
-#[test]
-fn projection_preserves_per_target_dag_method_uniqueness() {
-    // Mirrors the substrate-side claim
-    // `method_template_contract_per_target_dag_method_unique` (named in the
-    // row-85 decision doc §"Non-Fork Ratchet" item 2) but verifies it
-    // through the public projection API rather than walking the Dag's value
-    // body directly. If the projection drifts from the substrate carrier,
-    // this test fails before any v2 consumer would.
-    let dag = generated_full_bootstrap_dag();
-
-    for target in [
-        MethodTemplateTarget::Rust,
-        MethodTemplateTarget::Python,
-        MethodTemplateTarget::Go,
-    ] {
-        let rows = method_template_contract_rows(&dag, target).expect("projection");
-        let mut seen = std::collections::HashSet::new();
-        for (index, row) in rows.iter().enumerate() {
-            assert!(
-                seen.insert(row.dag_method),
-                "{target:?} row {index}: duplicate dag_method — projection \
-                 contradicts per-target uniqueness substrate claim"
-            );
-        }
-    }
-}
-
-#[test]
-fn rust_count_row_anchors_runtime_emit_drift() {
-    // Spot-check: the Rust `count_method` row's documented runtime/emit
-    // template drift is preserved by the projection. This grounds the
-    // projection on a row that human reviewers can verify by reading
-    // `src/v3/std/rust_method_template_contracts.dag` lines 84–90.
-    let dag = generated_full_bootstrap_dag();
-    let rows = method_template_contract_rows(&dag, MethodTemplateTarget::Rust).expect("projection");
-
-    let count_method_id = dag
-        .declaration_by_name("count_method")
-        .expect("count_method MethodDeclaration in bootstrap Dag")
-        .id;
-
-    let count_row = rows
-        .iter()
-        .find(|row| row.dag_method == count_method_id)
-        .expect("count_method row in rust_method_template_contracts");
-
-    assert_eq!(count_row.runtime_template, "{recv}.len()");
-    let MethodEmitTemplateProjection::Single { template } = &count_row.emit_template else {
-        panic!("count row emit_template must be SingleTemplate");
-    };
-    assert_eq!(template, "({recv}.len() as i64)");
-    assert!(!count_row.wraps_result);
-    assert_eq!(
-        count_row.placeholder_convention,
-        PlaceholderConventionProjection::NamedArg
-    );
-}
-
-#[test]
-fn lookup_helper_three_distinct_states() {
-    // The `(target, dag_method)` direct lookup must distinguish three
-    // states cleanly so Gap 5 / leaf-emit consumers cannot conflate them:
-    //
-    //   1. Hit:     valid `MethodDeclaration` whose target list has a row.
-    //   2. Miss:    valid `MethodDeclaration` whose target list has no row.
-    //   3. Invalid: `dag_method` is not a `MethodDeclaration` at all
-    //              → typed `LookupKeyNotMethodDeclaration` error.
-    //
-    // (1) and (2) are the legitimate `Ok(Some)` / `Ok(None)` axes; (3) is
-    // the typed error the helper enforces at the public boundary until
-    // `DeclarationRef<MethodDeclaration>` refinement-typing lands.
-    let dag = generated_full_bootstrap_dag();
-
-    // (1) Hit: `count_method` is in `dsl/std/methods.dag` and has a row in
-    // `rust_method_template_contracts`.
-    let count_method_id = dag
-        .declaration_by_name("count_method")
-        .expect("count_method MethodDeclaration in bootstrap Dag")
-        .id;
-    let hit = method_template_contract_row(&dag, MethodTemplateTarget::Rust, count_method_id)
-        .expect("projection")
-        .expect("count_method row present for Rust target");
-    assert_eq!(hit.runtime_template, "{recv}.len()");
-
-    // (2) Miss: `add_method` is in `dsl/std/methods.dag` (a real
-    // `MethodDeclaration`) but has no row in
-    // `rust_method_template_contracts`. Must return `Ok(None)`, not a
-    // typed error.
-    let add_method_id = dag
-        .declaration_by_name("add_method")
-        .expect("add_method MethodDeclaration in bootstrap Dag")
-        .id;
-    let miss = method_template_contract_row(&dag, MethodTemplateTarget::Rust, add_method_id)
-        .expect("projection");
-    assert!(
-        miss.is_none(),
-        "valid MethodDeclaration with no Rust row must return None, not fabricate a row"
-    );
-
-    // (3) Invalid: `MethodTemplateContract` itself is a type declaration,
-    // not a `MethodDeclaration`. Must surface
-    // `LookupKeyNotMethodDeclaration` rather than `Ok(None)` (which would
-    // conflate it with case 2).
-    let non_method_decl_id = dag
-        .declaration_by_name("MethodTemplateContract")
-        .expect("MethodTemplateContract type")
-        .id;
-    let invalid =
-        method_template_contract_row(&dag, MethodTemplateTarget::Rust, non_method_decl_id);
-    match invalid {
-        Err(MethodTemplateProjectionError::LookupKeyNotMethodDeclaration {
-            decl_id,
-            reason,
-        }) => {
-            assert_eq!(decl_id, non_method_decl_id);
-            // `MethodTemplateContract` is a type declaration (Conj), not
-            // an Instantiation — connective sub-check fails first.
-            assert_eq!(
-                reason,
-                MethodDeclarationBindingViolation::ConnectiveNotInstantiation
-            );
-        }
-        other => panic!(
-            "lookup with a non-MethodDeclaration key must surface LookupKeyNotMethodDeclaration, got {other:?}"
-        ),
-    }
-}
diff --git a/src/v3/compiler/tests/integration/pipe_desugar.rs b/src/v3/compiler/tests/integration/pipe_desugar.rs
deleted file mode 100644
index e6ed0034a8b..00000000000
--- a/src/v3/compiler/tests/integration/pipe_desugar.rs
+++ /dev/null
@@ -1,260 +0,0 @@
-use crate::common::cached_compile_to_dag;
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    literal_bits_int, AtomPayload, Behavior, Dag, LiteralBits, TransformTarget, TypeConnective,
-};
-use v3_compiler::types::TypeShape;
-use v3_compiler::{CompileError, Diagnostic};
-
-fn primitive_shape(dag: &Dag, name: &str) -> TypeShape {
-    TypeShape::new(
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("primitive `{name}` missing from bootstrap"))
-            .id,
-    )
-}
-
-fn assert_target_name(dag: &Dag, target: &TransformTarget, expected: &str) {
-    let actual: Option<String> = match target {
-        TransformTarget::Callable(id) => {
-            let decl = dag.declaration(*id);
-            match &decl.connective {
-                TypeConnective::Atom(AtomPayload::UnresolvedIdentifier(name)) => Some(name.clone()),
-                TypeConnective::Atom(AtomPayload::ResolvedByStructure(next))
-                | TypeConnective::Atom(AtomPayload::ResolvedByName(next)) => {
-                    dag.declaration(*next).name.clone()
-                }
-                _ => decl.name.clone(),
-            }
-        }
-        TransformTarget::UnresolvedFieldProject { field_label } => Some(format!(".{field_label}")),
-        TransformTarget::ResolvedFieldProject { .. } => Some(".<resolved-field>".to_string()),
-        TransformTarget::Operator(op_kind) => Some(v3_compiler::operators::symbol(*op_kind)),
-    };
-    assert_eq!(
-        actual.as_deref(),
-        Some(expected),
-        "Transform.target name mismatch"
-    );
-}
-
-fn bind_named<'a>(dag: &'a Dag, name: &str) -> &'a v3_compiler::dag::BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|b| b.name == name)
-        .unwrap_or_else(|| panic!("Bind({name}) must exist"))
-}
-
-fn literal_input(dag: &Dag, port: v3_compiler::dag::PortId) -> &LiteralBits {
-    let producer_id = dag
-        .port(port)
-        .produced_by
-        .expect("input port has a producer node");
-    &dag.node(producer_id)
-        .as_value()
-        .expect("input producer is a Value node")
-        .data
-}
-
-#[test]
-fn pipe_desugars_unary_call_by_injecting_the_left_value() {
-    let src = "\
-fn negate(x: Int) -> Int = 0 - x
-let y = 5 |> negate
-";
-    let dag = cached_compile_to_dag(src, "pipe_unary.v3");
-
-    let bind_y = bind_named(&dag, "y");
-    let call_id = dag
-        .port(bind_y.value)
-        .produced_by
-        .expect("Bind(y) value has a producer");
-    let call = dag
-        .node(call_id)
-        .as_transform()
-        .expect("producer is a Transform");
-
-    assert_target_name(&dag, &call.target, "negate");
-    assert_eq!(call.inputs.len(), 1, "negate takes one injected argument");
-    assert_eq!(literal_input(&dag, call.inputs[0]), &literal_bits_int(5));
-    assert_eq!(
-        dag.port(bind_y.value).value_type(),
-        Some(&primitive_shape(&dag, "Int")),
-        "pipe-desugared call preserves the callee's declared return type",
-    );
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn pipe_desugars_multi_arg_call_with_first_arg_injection() {
-    let src = "\
-fn keep_first(a: Int, b: Int) -> Int = a
-let y = 5 |> keep_first(6)
-";
-    let dag = cached_compile_to_dag(src, "pipe_multi_arg.v3");
-
-    let bind_y = bind_named(&dag, "y");
-    let call_id = dag
-        .port(bind_y.value)
-        .produced_by
-        .expect("Bind(y) value has a producer");
-    let call = dag
-        .node(call_id)
-        .as_transform()
-        .expect("producer is a Transform");
-
-    assert_target_name(&dag, &call.target, "keep_first");
-    assert_eq!(
-        call.inputs.len(),
-        2,
-        "keep_first takes the injected arg plus one explicit arg"
-    );
-    assert_eq!(
-        literal_input(&dag, call.inputs[0]),
-        &literal_bits_int(5),
-        "the piped value becomes argument 0",
-    );
-    assert_eq!(
-        literal_input(&dag, call.inputs[1]),
-        &literal_bits_int(6),
-        "the original call arguments keep their order after the injected value",
-    );
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn pipe_chains_left_to_right() {
-    let src = "\
-fn add1(x: Int) -> Int = x + 1
-fn double(x: Int) -> Int = x + x
-let y = 5 |> add1 |> double
-";
-    let dag = cached_compile_to_dag(src, "pipe_chain.v3");
-
-    let bind_y = bind_named(&dag, "y");
-    let outer_call_id = dag
-        .port(bind_y.value)
-        .produced_by
-        .expect("Bind(y) value has a producer");
-    let outer_call = dag
-        .node(outer_call_id)
-        .as_transform()
-        .expect("outer producer is a Transform");
-    assert_target_name(&dag, &outer_call.target, "double");
-    assert_eq!(outer_call.inputs.len(), 1);
-
-    let inner_call_id = dag
-        .port(outer_call.inputs[0])
-        .produced_by
-        .expect("double input is produced by the previous pipe stage");
-    let inner_call = dag
-        .node(inner_call_id)
-        .as_transform()
-        .expect("previous stage is a Transform");
-    assert_target_name(&dag, &inner_call.target, "add1");
-    assert_eq!(inner_call.inputs.len(), 1);
-    assert_eq!(
-        literal_input(&dag, inner_call.inputs[0]),
-        &literal_bits_int(5)
-    );
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn pipe_result_can_feed_later_addition() {
-    let src = "\
-fn negate(x: Int) -> Int = 0 - x
-let y = 5 |> negate + 1
-";
-    let dag = cached_compile_to_dag(src, "pipe_addition.v3");
-
-    let bind_y = bind_named(&dag, "y");
-    let add_id = dag
-        .port(bind_y.value)
-        .produced_by
-        .expect("Bind(y) value has a producer");
-    let add = dag
-        .node(add_id)
-        .as_transform()
-        .expect("producer is a Transform");
-    assert_target_name(&dag, &add.target, "+");
-    assert_eq!(add.inputs.len(), 2);
-
-    let negate_id = dag
-        .port(add.inputs[0])
-        .produced_by
-        .expect("lhs of addition is produced");
-    let negate = dag
-        .node(negate_id)
-        .as_transform()
-        .expect("lhs is the piped call");
-    assert_target_name(&dag, &negate.target, "negate");
-    assert_eq!(literal_input(&dag, negate.inputs[0]), &literal_bits_int(5));
-    assert_eq!(literal_input(&dag, add.inputs[1]), &literal_bits_int(1));
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn pipe_result_can_feed_later_comparison() {
-    let src = "\
-fn identity(x: Int) -> Int = x
-let is_five = 5 |> identity == 5
-";
-    let dag = cached_compile_to_dag(src, "pipe_comparison.v3");
-
-    let bind = bind_named(&dag, "is_five");
-    let cmp_id = dag
-        .port(bind.value)
-        .produced_by
-        .expect("Bind(is_five) value has a producer");
-    let cmp = dag
-        .node(cmp_id)
-        .as_transform()
-        .expect("producer is a Transform");
-    assert_target_name(&dag, &cmp.target, "==");
-    assert_eq!(cmp.inputs.len(), 2);
-
-    let identity_id = dag
-        .port(cmp.inputs[0])
-        .produced_by
-        .expect("lhs of comparison is produced");
-    let identity = dag
-        .node(identity_id)
-        .as_transform()
-        .expect("lhs is the piped call");
-    assert_target_name(&dag, &identity.target, "identity");
-    assert_eq!(
-        literal_input(&dag, identity.inputs[0]),
-        &literal_bits_int(5)
-    );
-    assert_eq!(literal_input(&dag, cmp.inputs[1]), &literal_bits_int(5));
-    assert_eq!(
-        dag.port(bind.value).value_type(),
-        Some(&primitive_shape(&dag, "Bool")),
-        "comparison over a piped call resolves to Bool",
-    );
-    assert!(dag.diagnostics().is_empty());
-}
-
-#[test]
-fn invalid_pipe_target_fails_closed_at_parse_time() {
-    let err = compile_to_dag("let y = 5 |> 42", "pipe_invalid.v3")
-        .expect_err("invalid pipe target must fail to parse");
-
-    match err {
-        CompileError::Parse(Diagnostic::ParseError { message, span, .. }) => {
-            assert!(
-                message.contains("expected function name after `|>`"),
-                "unexpected parse error message: {message}"
-            );
-            assert_eq!(span.file, "pipe_invalid.v3");
-            assert_eq!(
-                span.byte_start, 13,
-                "diagnostic should point at the invalid pipe target"
-            );
-            assert_eq!(span.byte_end, 15, "diagnostic should cover `42`");
-        }
-        other => panic!("expected parse error for invalid pipe target, got {other:?}"),
-    }
-}
diff --git a/src/v3/compiler/tests/integration/positional_conj_fold_list_emit_path_test.rs b/src/v3/compiler/tests/integration/positional_conj_fold_list_emit_path_test.rs
deleted file mode 100644
index 95bc201aa9f..00000000000
--- a/src/v3/compiler/tests/integration/positional_conj_fold_list_emit_path_test.rs
+++ /dev/null
@@ -1,150 +0,0 @@
-//! ctrl#1476 B5 — positional-Conj fold_list-by-construction detection (emit path).
-//!
-//! Grammar-relation / serialize_source token sequences on the emit path must lower via
-//! `grammar_relation_tokens_node` (fold_list_node named-cons spine), not positional-Conj
-//! `fold_list` edge builders.
-//!
-//! **P5 receipt (INVARIANTS.md §P5 Mechanism (b) — SG-0 `EXPECTED_HAND_AUTHORED_TEST`):**
-//! explicit deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-//! `pb_rust_tests_outside_residual_zero`; dissolves when modeled `TestClaim` exercises
-//! emit-path grammar-relation token encode without this hand-Rust substring/parse ratchet.
-
-use v3_compiler::parse_for_test;
-use v3_compiler::tokenize_for_test;
-
-const EMIT_PATH_DAGS: &[(&str, &str)] = &[
-    (
-        "src/v4/extdeps/languages/cpp.dag",
-        include_str!("../../../../v4/extdeps/languages/cpp.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/dag.dag",
-        include_str!("../../../../v4/extdeps/languages/dag.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/ecmascript.dag",
-        include_str!("../../../../v4/extdeps/languages/ecmascript.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/go.dag",
-        include_str!("../../../../v4/extdeps/languages/go.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/java.dag",
-        include_str!("../../../../v4/extdeps/languages/java.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/kotlin.dag",
-        include_str!("../../../../v4/extdeps/languages/kotlin.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/python.dag",
-        include_str!("../../../../v4/extdeps/languages/python.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/rust.dag",
-        include_str!("../../../../v4/extdeps/languages/rust.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/swift.dag",
-        include_str!("../../../../v4/extdeps/languages/swift.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/typescript.dag",
-        include_str!("../../../../v4/extdeps/languages/typescript.dag"),
-    ),
-    (
-        "src/v4/extdeps/languages/wasm.dag",
-        include_str!("../../../../v4/extdeps/languages/wasm.dag"),
-    ),
-];
-
-fn code_lines(source: &str) -> String {
-    source
-        .lines()
-        .filter(|line| !line.trim_start().starts_with("//"))
-        .collect::<Vec<_>>()
-        .join("\n")
-}
-
-fn defines_fn_with_suffix(body: &str, suffix: &str) -> bool {
-    body.lines().any(|line| {
-        let trimmed = line.trim();
-        if !trimmed.starts_with("fn ") {
-            return false;
-        }
-        let rest = trimmed.strip_prefix("fn ").unwrap_or("");
-        rest.split(['(', '<', ' '])
-            .next()
-            .is_some_and(|name| name.ends_with(suffix))
-    })
-}
-
-/// Detection: red if emit-path language models reintroduce positional-Conj fold_list builders.
-#[test]
-fn emit_path_language_models_do_not_define_positional_conj_fold_list_builders() {
-    let fn_forbidden = [
-        "_relation_token_edges",
-        "_positional_edges_from_token_classes",
-        "_positional_token_edge",
-        "_mvp1_positional_token_edge",
-    ];
-    let call_forbidden = [
-        "positional_edges_from_token_classes()",
-        "_relation_token_edges(",
-    ];
-    for (label, source) in EMIT_PATH_DAGS {
-        let body = code_lines(source);
-        for suffix in fn_forbidden {
-            if defines_fn_with_suffix(&body, suffix) {
-                panic!(
-                    "positional-Conj fold_list bypass in {label}.\n\
-                     forbidden: fn ...{suffix}\n\
-                     Route token sequences through grammar_relation_tokens_node (ctrl#1476 B5)."
-                );
-            }
-        }
-        for needle in call_forbidden {
-            assert!(
-                !body.contains(needle),
-                "positional-Conj fold_list bypass in {label}.\n\
-                 forbidden pattern: {needle}\n\
-                 Route token sequences through grammar_relation_tokens_node (ctrl#1476 B5)."
-            );
-        }
-    }
-}
-
-const GRAMMAR_DAG: &str = include_str!("../../../../v4/std/grammar.dag");
-const GRAMMAR_PATH: &str = "src/v4/std/grammar.dag";
-
-/// Positive-side ratchet: emit-path language models must tokenize and parse (catches import-list
-/// syntax regressions invisible to substring-only detection).
-#[test]
-fn emit_path_language_models_tokenize_and_parse() {
-    for (path, source) in EMIT_PATH_DAGS {
-        let tokens = tokenize_for_test(source, path)
-            .unwrap_or_else(|e| panic!("{path}: tokenize failed: {e:?}"));
-        parse_for_test(&tokens, path).unwrap_or_else(|e| panic!("{path}: parse failed: {e:?}"));
-    }
-    let tokens = tokenize_for_test(GRAMMAR_DAG, GRAMMAR_PATH)
-        .unwrap_or_else(|e| panic!("{GRAMMAR_PATH}: tokenize failed: {e:?}"));
-    parse_for_test(&tokens, GRAMMAR_PATH)
-        .unwrap_or_else(|e| panic!("{GRAMMAR_PATH}: parse failed: {e:?}"));
-}
-
-#[test]
-fn grammar_dag_exports_relation_tokens_node_chokepoint() {
-    assert!(
-        GRAMMAR_DAG.contains("fn grammar_relation_tokens_node<T>("),
-        "grammar.dag must own the B5 chokepoint helper"
-    );
-    assert!(
-        GRAMMAR_DAG.contains("fold_list_node(xs: tokens, item_node: token_to_node)"),
-        "grammar_relation_tokens_node must delegate to fold_list_node"
-    );
-    assert!(
-        GRAMMAR_DAG.contains("feature:B-POSITIONAL-CONJ-FOLD-LIST-1"),
-        "B5 model mark must be present on the chokepoint"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/prereq_x_call_on_field_access_ratchet_test.rs b/src/v3/compiler/tests/integration/prereq_x_call_on_field_access_ratchet_test.rs
deleted file mode 100644
index 99adb1092a1..00000000000
--- a/src/v3/compiler/tests/integration/prereq_x_call_on_field_access_ratchet_test.rs
+++ /dev/null
@@ -1,263 +0,0 @@
-//! Prereq-X (call-on-field-access) ratchet — post E6-G0b X1.a slice.
-//!
-//! Records the parser+lowerer state after Prereq-X1.a (static
-//! call-on-field-access via `data` binding head) landed. The audit
-//! at `docs/design-prereq-x-ho-field-call.md` (PR #1264) decomposes
-//! Prereq-X into X1 (call-on-field-access), X2 (call-on-Var if not
-//! subsumed by X1), and X3 (explicit block expressions inside `=`
-//! bodies); the X1.a / X1.b split is named in
-//! `docs/briefs/r3-pr-e6-g0b-x1a-static-field-call-worker.md`.
-//!
-//! State after this slice:
-//!
-//! - X1.a: `data v: WrapFn = { f: double }; v.f(x)` parses **and
-//!   lowers** to a static-callable invocation.
-//! - X1.b: `fn invoke(w: WrapFn, x: Int) -> Int = w.f(x)` **parses**
-//!   (the parser surface accepts call-on-field-access) but **lowers**
-//!   to a typed `ResolveError` naming the X1.b prerequisite. Parser
-//!   parse-error ratchet is replaced by a lowering-diagnostic ratchet.
-//! - X3: brace-bodied block expression inside `=` body remains
-//!   blocked at parse time.
-
-use crate::common::{cached_compile_any, cached_compile_to_dag};
-use v3_compiler::dag::{literal_bits_int, Behavior, TransformTarget};
-use v3_compiler::diagnostics::Diagnostic;
-use v3_compiler::{parse_for_test, tokenize_for_test};
-
-/// Control: the `type Wrapper { f: fn(Int) -> Int }` declaration on its
-/// own parses cleanly. Confirms the X1/X3 fixtures' parse failures
-/// originate at the `w.f(x)` / `{ let g = w.f; g(x) }` call site, not at
-/// the type declaration.
-#[test]
-fn control_arrow_typed_field_decl_parses() {
-    let src = "type Wrapper { f: fn(Int) -> Int }\n";
-    let tokens = tokenize_for_test(src, "control.v3").expect("tokenize");
-    parse_for_test(&tokens, "control.v3").expect(
-        "Arrow-typed field declaration must parse cleanly so X1/X3 isolate the call-site gap.",
-    );
-}
-
-/// X1.a positive: `data v: WrapFn = { f: double }; ... v.f(x)` parses
-/// and lowers to a static `TransformTarget::Callable(decl_id_of_double)`
-/// transform. Asserted by structural inspection of the lowered Dag, not
-/// by emit-roundtrip output (E6-G0c scope).
-#[test]
-fn x1a_static_data_field_call_lowers_to_callable() {
-    let src = r#"
-type Wrapper { f: fn(Int) -> Int }
-
-fn double(n: Int) -> Int = n + n
-
-data wrap: Wrapper = { f: double }
-
-fn invoke(x: Int) -> Int = wrap.f(x)
-"#;
-    let dag = cached_compile_to_dag(src, "x1a_positive.v3");
-    let double_decl_id = dag
-        .declarations()
-        .iter()
-        .find(|d| d.name.as_deref() == Some("double"))
-        .map(|d| d.id)
-        .expect("`double` declaration");
-    let saw_callable_to_double = dag.nodes().iter().any(|node| match node {
-        Behavior::Transform(t) => matches!(
-            &t.target,
-            TransformTarget::Callable(id) if *id == double_decl_id
-        ),
-        _ => false,
-    });
-    assert!(
-        saw_callable_to_double,
-        "X1.a should lower `wrap.f(x)` to a TransformTarget::Callable pointing at `double`'s decl_id; got Dag without that target"
-    );
-}
-
-/// X1.a negative: `data v: { x: Int } = { x: 5 }; v.x(7)` lowers to a
-/// typed `ResolveError` naming the field as non-Arrow / non-callable —
-/// not a parse error.
-#[test]
-fn x1a_non_arrow_field_call_diagnostic() {
-    let src = r#"
-type Holder { x: Int }
-
-data holder: Holder = { x: 5 }
-
-fn r() -> Int = holder.x(7)
-"#;
-    let dag = cached_compile_any(src, "x1a_non_arrow.v3");
-    let saw_resolve_diagnostic = dag.diagnostics().iter().any(|(_, d)| match d {
-        Diagnostic::ResolveError { name, .. } => {
-            name.contains("does not resolve to a callable function reference")
-                || name.contains("non-Arrow")
-                || name.contains("FieldValue::Reference")
-        }
-        _ => false,
-    });
-    assert!(
-        saw_resolve_diagnostic,
-        "non-Arrow X1.a callee must produce a typed ResolveError naming the non-callable leaf"
-    );
-}
-
-/// X1.b: parameter-callee dispatch through `<param>.<field>(args)`
-/// **parses** (after X1.a landed the surface grammar) but **lowers**
-/// to a typed `ResolveError` naming the X1.b prerequisite (runtime-callee
-/// substrate / `TransformDispatch::Indirect`). Parser parse-error
-/// ratchet retired; lowering-diagnostic ratchet replaces it.
-#[test]
-fn x1b_parameter_field_call_blocked_at_lowering() {
-    let src = r#"
-type Wrapper { f: fn(Int) -> Int }
-
-fn invoke(w: Wrapper, x: Int) -> Int = w.f(x)
-"#;
-    // Parsing now succeeds; the diagnostic surfaces during lowering.
-    let dag = cached_compile_any(src, "x1b.v3");
-    let saw_x1b_diagnostic = dag.diagnostics().iter().any(|(_, d)| match d {
-        Diagnostic::ResolveError { name, .. } => {
-            name.contains("Prereq-X1.b") || name.contains("parameter")
-        }
-        _ => false,
-    });
-    assert!(
-        saw_x1b_diagnostic,
-        "X1.b parameter-callee must lower-fail with a typed ResolveError naming the X1.b prerequisite"
-    );
-}
-
-/// X1.a P4 regression: mutual recursion routed through a `data`
-/// binding indirection must contribute edges to the cluster
-/// descent gate. Without resolving PathCall through symbols+ValueBody,
-/// `data fns: Fns = { a: f, b: g }; fn f(x) = fns.b(x); fn g(x) =
-/// fns.a(x)` would parse + lower without engaging the strict-descent
-/// check (INVARIANTS P4 hole). This test pins the gate firing.
-#[test]
-fn x1a_mutual_recursion_via_data_binding_engages_descent_gate() {
-    // Note: `data fns` must precede `fn f`/`fn g` so its
-    // `ValueBody::Structural` is populated by the time the function
-    // bodies are lowered and recursion analysis runs. The pre-pass
-    // collects all top-level decls into `symbols` regardless of
-    // order, but `value_body` is only populated when each `Data`
-    // item is lowered in source order.
-    let src = r#"
-type Fns { a: fn(Int) -> Int, b: fn(Int) -> Int }
-
-data fns: Fns = { a: f, b: g }
-
-fn f(x: Int) -> Int = fns.b(x)
-fn g(x: Int) -> Int = fns.a(x)
-"#;
-    let dag = cached_compile_any(src, "x1a_mutual_via_data.v3");
-    // Both `f` and `g` are mutually recursive via the `fns` data
-    // binding indirection. The cluster descent gate must fire because
-    // neither body strictly decreases its first argument; we expect a
-    // typed ResolveError or descent diagnostic mentioning recursion or
-    // descent. The exact wording is determined by the existing
-    // `cannot terminate` / descent-fail-closed diagnostic family;
-    // assert at least one such diagnostic surfaces.
-    let saw_decidability_diagnostic = dag.diagnostics().iter().any(|(_, d)| match d {
-        Diagnostic::ResolveError { name, .. } => {
-            name.contains("recursive")
-                || name.contains("terminate")
-                || name.contains("descent")
-                || name.contains("cannot")
-        }
-        _ => false,
-    });
-    assert!(
-        saw_decidability_diagnostic,
-        "Mutual recursion via data-binding indirection must engage the decidability gate; got Dag without any termination/descent diagnostic. This regression-locks the X1.a P4 fix in is_recursive / descent_provable / ClusterDescentChecker / collect_recursive_callees."
-    );
-}
-
-/// X3: brace-bodied block expression inside `=` body, with a `let` head.
-/// Required to factor `let g = w.f; g(x)` out of a SingleRoot fold.
-/// **Unchanged by the X1.a slice** — block-expression bodies still fail
-/// at parse time.
-#[test]
-fn x3_brace_block_with_let_head_blocked() {
-    let src = r#"
-type Wrapper { f: fn(Int) -> Int }
-
-fn invoke(w: Wrapper, x: Int) -> Int = { let g = w.f; g(x) }
-"#;
-    let tokens = tokenize_for_test(src, "x3.v3").expect("tokenize");
-    let err = parse_for_test(&tokens, "x3.v3").expect_err(
-        "Prereq-X3 still blocks `= { let ...; ... }` — if this test panics, retire this ratchet.",
-    );
-    assert!(
-        err.message().contains("LParen") || err.message().contains("KwLet"),
-        "X3 diagnostic shape changed; verify against #1264 audit. Got: {}",
-        err.message()
-    );
-}
-
-/// Post-G0c executable ratchet: the X1.a static field-call lowered in
-/// PR #1699 actually executes through the public evaluator boundary
-/// after PR #1715 landed `TransformTarget::Callable` execution. Ties
-/// the parse → lower → execute pipeline together so any future
-/// regression in any of the three layers fails this single ratchet.
-///
-/// Compiles `data wrap: Wrapper = { f: double }; fn invoke(x: Int) ->
-/// Int = wrap.f(x)`, finds `invoke` honestly through
-/// `Dag::declaration_by_name` + `TypeConnective::Arrow.body`,
-/// pre-binds the parameter port to `Int(21)` in the caller frame, and
-/// evaluates the bind through `v3_compiler::evaluator::evaluate_body`.
-/// Asserts `Value::LiteralValue(Int(42))`.
-#[test]
-fn x1a_static_data_field_call_executes_through_public_evaluator() {
-    use v3_compiler::dag::{ArrowBody, TypeConnective};
-    use v3_compiler::evaluator::{
-        evaluate_body, EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder, Value,
-    };
-
-    let src = r#"
-type Wrapper { f: fn(Int) -> Int }
-
-fn double(n: Int) -> Int = n + n
-
-data wrap: Wrapper = { f: double }
-
-fn invoke(x: Int) -> Int = wrap.f(x)
-"#;
-    let dag = cached_compile_to_dag(src, "x1a_eval.v3");
-    let invoke_decl = dag
-        .declaration_by_name("invoke")
-        .expect("`invoke` declaration");
-    let TypeConnective::Arrow { body, .. } = &invoke_decl.connective else {
-        panic!(
-            "`invoke` should have Arrow connective; got {:?}",
-            invoke_decl.connective
-        );
-    };
-    let ArrowBody::UserDefined(bind_id) = body else {
-        panic!("`invoke` should have UserDefined body; got {body:?}");
-    };
-    let bind_node_id = bind_id.node_id();
-    let Behavior::Bind(bind) = dag.node(bind_node_id) else {
-        panic!("BindNodeId must point at a Bind node");
-    };
-    assert_eq!(
-        bind.params.len(),
-        1,
-        "`invoke` should have exactly one parameter port"
-    );
-    let x_port = bind.params[0];
-
-    let caller_frame =
-        EvalFrame::from_bindings([(x_port, Value::LiteralValue(literal_bits_int(21)))])
-            .expect("caller frame");
-    let mut state = EvalStateStack::with_root_frame(caller_frame);
-    let strategy = EvalStrategy::ApplicativeOrder {
-        input_order: InputEvaluationOrder::LeftFirst,
-    };
-
-    let value = evaluate_body(&dag, bind_node_id, &mut state, strategy)
-        .expect("X1.a static field-call should execute through the public evaluator");
-
-    assert_eq!(
-        value,
-        Value::LiteralValue(literal_bits_int(42)),
-        "wrap.f(21) should resolve to double(21) = 42 via TransformTarget::Callable execution"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r1_release_acceptance_test.rs b/src/v3/compiler/tests/integration/r1_release_acceptance_test.rs
deleted file mode 100644
index 954f98c6958..00000000000
--- a/src/v3/compiler/tests/integration/r1_release_acceptance_test.rs
+++ /dev/null
@@ -1,194 +0,0 @@
-//! **Layer:** integration
-//!
-//! R1 release acceptance — strict PB gate 3 remains a live runner predicate,
-//! while Director-approved release deferrals cover the remaining PB gates through
-//! structural `DeclarationRef` edges on `ReleaseDeferredClaim` markers.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/r1_release_acceptance.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/r1_release_acceptance.dag";
-const SUITE_NAME: &str = "r1_release_acceptance_suite";
-
-const EXPECTED_CLAIM_NAMES: &[&str] = &[
-    "pb_hand_rust_at_shim_floor",
-    "lens_producer_files_remaining",
-    "pb_self_compile_fixed_point",
-    "pb_compiler_std_ratchet_zero",
-    "pb_test_file_generated_from_dag",
-    "pb_rust_tests_outside_residual_zero",
-];
-
-#[test]
-fn r1_release_acceptance_suite_passes_at_head() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    let actual_names: Vec<&str> = results.iter().map(|r| r.claim_name.as_str()).collect();
-    assert_eq!(
-        actual_names, EXPECTED_CLAIM_NAMES,
-        "suite `{SUITE_NAME}`: claim order must match the release gate list"
-    );
-
-    let unimplemented: Vec<_> = results
-        .iter()
-        .filter(|r| matches!(r.result, ClaimResult::NotYetImplemented(_)))
-        .collect();
-    assert!(
-        unimplemented.is_empty(),
-        "release acceptance predicates must be wired, not `NotYetImplemented`. Offenders:\n{unimplemented:#?}"
-    );
-
-    for result in &results {
-        assert_eq!(
-            result.result,
-            ClaimResult::Pass,
-            "release acceptance claim `{}` should pass at HEAD",
-            result.claim_name
-        );
-    }
-}
-
-#[test]
-fn release_deferred_claim_rejects_untyped_marker_refs() {
-    let source = r##"
-import std.verification { ReleaseDeferredClaim, TestClaim, TestSuite }
-
-type R1GateMarker {}
-type TargetLaneMarker {}
-type ReleaseAuthorityDoc {}
-
-data arbitrary_gate: Int = 0
-data target_lane_marker: TargetLaneMarker = {}
-data release_authority_doc: ReleaseAuthorityDoc = {}
-
-data bad_deferred_claim: TestClaim = {
-  name: "bad_deferred",
-  source: "let _: Int = 0",
-  file_name: "bad_deferred.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: arbitrary_gate,
-    target_lane: target_lane_marker,
-    authority_doc: release_authority_doc
-  },
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "bad_deferred_suite",
-  claims: [Enumerated(bad_deferred_claim)]
-}
-"##;
-    let dag = compile_to_dag(source, FIXTURE_PATH)
-        .expect("malformed deferral fixture still compiles structurally");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(&results[0].result, ClaimResult::Fail(_)),
-        "expected ReleaseDeferredClaim to fail closed on untyped deferred_gate, got {results:?}"
-    );
-}
-
-#[test]
-fn release_deferred_claim_rejects_well_typed_refs_outside_release_fixture() {
-    let source = r##"
-import std.verification { ReleaseDeferredClaim, TestClaim, TestSuite }
-
-type R1GateMarker {}
-type TargetLaneMarker {}
-type ReleaseAuthorityDoc {}
-
-data gate_marker: R1GateMarker = {}
-data target_lane_marker: TargetLaneMarker = {}
-data release_authority_doc: ReleaseAuthorityDoc = {}
-
-data bad_deferred_claim: TestClaim = {
-  name: "bad_deferred",
-  source: "let _: Int = 0",
-  file_name: "bad_deferred.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: gate_marker,
-    target_lane: target_lane_marker,
-    authority_doc: release_authority_doc
-  },
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "bad_deferred_suite",
-  claims: [Enumerated(bad_deferred_claim)]
-}
-"##;
-    let dag = compile_to_dag(source, "arbitrary_release_deferred_claim.dag")
-        .expect("well-typed deferral fixture compiles structurally");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(&results[0].result, ClaimResult::Fail(_)),
-        "expected ReleaseDeferredClaim to fail outside release fixture, got {results:?}"
-    );
-}
-
-#[test]
-fn release_deferred_claim_rejects_nonlocal_markers_even_from_release_fixture() {
-    let source = r##"
-import std.verification { ReleaseDeferredClaim, TestClaim, TestSuite }
-
-type R1GateMarker {}
-type TargetLaneMarker {}
-type ReleaseAuthorityDoc {}
-
-data gate_marker: R1GateMarker = {}
-data target_lane_marker: TargetLaneMarker = {}
-data release_authority_doc: ReleaseAuthorityDoc = {}
-
-data bad_deferred_claim: TestClaim = {
-  name: "bad_deferred",
-  source: "let _: Int = 0",
-  file_name: "bad_deferred.v3",
-  predicate: ReleaseDeferredClaim {
-    deferred_gate: gate_marker,
-    target_lane: target_lane_marker,
-    authority_doc: release_authority_doc
-  },
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "bad_deferred_suite",
-  claims: [Enumerated(bad_deferred_claim)]
-}
-"##;
-    let dag = compile_to_dag(source, "nonlocal_release_deferred_markers.dag")
-        .expect("well-typed deferral fixture compiles structurally");
-    let claim_decl = dag
-        .declaration_by_name("bad_deferred_claim")
-        .expect("bad_deferred_claim is present");
-    let mut claim = TestClaimValue::from_declaration(claim_decl)
-        .expect("bad_deferred_claim lowers structurally");
-    claim.declaration_file = FIXTURE_PATH.to_string();
-
-    let result = TestRunner::new(&dag).run_claim(&claim);
-    assert!(
-        matches!(result.result, ClaimResult::Fail(_)),
-        "expected ReleaseDeferredClaim to reject nonlocal marker declarations, got {result:?}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r2_b5_loop_construction_closure_test.rs b/src/v3/compiler/tests/integration/r2_b5_loop_construction_closure_test.rs
deleted file mode 100644
index b0af6383443..00000000000
--- a/src/v3/compiler/tests/integration/r2_b5_loop_construction_closure_test.rs
+++ /dev/null
@@ -1,115 +0,0 @@
-//! **Layer:** integration
-//!
-//! R2 Release B5 — Loop **construction-closure** (synthesis Tier 2 §5, PR #809).
-//!
-//! Audit summary (see PR body for full trace):
-//! - **Live lowering:** `lower.rs` — `finalize_mutual_clusters` (`LoopBound::Descent`) and the
-//!   single-fn recursive + descent-provable arm (`LoopBound::Cardinality`), both reached from
-//!   [`v3_compiler::lower::lower_bodies_phase`].
-//! - **Test-only:** [`v3_compiler::dag::Dag::push_loop`] delegates to a single `push_node` site
-//!   for synthetic DAGs (`dag/builder.rs`).
-//! - **Bootstrap:** `bootstrap_generated*.rs` embed serialized `Behavior::Loop` literals produced
-//!   when regen ran the same lowering pipeline — not a parallel lowering algorithm.
-
-use v3_compiler::dag::{Behavior, LoopBound};
-use v3_compiler::lens_provenance::{origin_of, Origin};
-
-use crate::common::cached_compile_to_dag;
-
-// `CARGO_MANIFEST_DIR` is the `v3-compiler` crate root (`src/v3/compiler/`).
-const LOWER_RS: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/src/lower.rs"));
-
-const BUILDER_RS: &str = include_str!(concat!(env!("CARGO_MANIFEST_DIR"), "/src/dag/builder.rs"));
-
-/// Construction-closure holds only if production lowering continues to materialize
-/// `Behavior::Loop` at exactly these two call sites (single recursive fn + mutual cluster).
-#[test]
-fn lower_rs_defines_exactly_two_behavior_loop_push_sites() {
-    let needle = "dag.push_node(Behavior::Loop(";
-    let count = LOWER_RS.matches(needle).count();
-    assert_eq!(
-        count, 2,
-        "construction-closure audit: expected exactly two `{needle}` sites in lower.rs; found {count}. \
-         If you added a third Loop origin, update the audit + this gate or document an intentional split."
-    );
-
-    let builder_needle = "self.push_node(Behavior::Loop(";
-    let builder_count = BUILDER_RS.matches(builder_needle).count();
-    assert_eq!(
-        builder_count, 1,
-        "expected exactly one `{builder_needle}` in dag/builder.rs (test `push_loop` wrapper); found {builder_count}"
-    );
-}
-
-#[test]
-fn every_behavior_loop_after_compile_matches_lowering_bounds_and_accumulated_origin() {
-    let src_single = "\
-fn count(n: Int) -> Int = if n == 0 then 0 else 1 + count(n - 1)
-let _: Int = count(1)
-";
-    let file_single = "r2_b5_loop_closure_single_recursive.v3";
-
-    let src_mutual = "\
-fn even(n: Int) -> Bool = if n == 0 then true else odd(n - 1)
-fn odd(n: Int) -> Bool = if n == 0 then false else even(n - 1)
-";
-    let file_mutual = "r2_b5_loop_closure_mutual_recursive.v3";
-
-    let mut saw_cardinality_fixture = false;
-    let mut saw_descent_fixture = false;
-
-    for (src, file) in [(src_single, file_single), (src_mutual, file_mutual)] {
-        let dag = cached_compile_to_dag(src, file);
-        assert!(
-            dag.diagnostics().is_empty(),
-            "{file}: {:?}",
-            dag.diagnostics()
-        );
-
-        for behavior in dag.nodes() {
-            let Behavior::Loop(lp) = behavior else {
-                continue;
-            };
-
-            match &lp.bound {
-                LoopBound::Cardinality { count } => {
-                    assert!(
-                        dag.port_opt(count).is_some(),
-                        "cardinality-bound loops carry a valid explicit count port"
-                    );
-                    if lp.span.file == file {
-                        saw_cardinality_fixture = true;
-                    }
-                }
-                LoopBound::Descent { cluster, measure } => {
-                    assert!(
-                        (cluster.raw() as usize) < dag.clusters().len(),
-                        "descent cluster id must resolve into `dag.clusters()`"
-                    );
-                    assert_eq!(
-                        *measure, lp.source,
-                        "descent-bound loops carry the same runtime measure as source"
-                    );
-                    if lp.span.file == file {
-                        saw_descent_fixture = true;
-                    }
-                }
-            }
-
-            let origin = origin_of(&dag, &lp.output);
-            assert!(
-                matches!(origin, Origin::Accumulated { .. }),
-                "Loop output ports must classify as Accumulated in provenance lens; got {origin:?} ({file})"
-            );
-        }
-    }
-
-    assert!(
-        saw_cardinality_fixture,
-        "expected single-fn recursive fixture to contribute at least one Cardinality Loop in that file"
-    );
-    assert!(
-        saw_descent_fixture,
-        "expected mutual-recursion fixture to contribute at least one Descent Loop in that file"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r3_class_2_function_valued_data_test.rs b/src/v3/compiler/tests/integration/r3_class_2_function_valued_data_test.rs
deleted file mode 100644
index 94d6110728e..00000000000
--- a/src/v3/compiler/tests/integration/r3_class_2_function_valued_data_test.rs
+++ /dev/null
@@ -1,376 +0,0 @@
-//! R3 Class 2 gap representative: top-level function-valued `data`
-//! executes through the public evaluator as a callable declaration.
-
-use crate::common::{cached_compile_any, cached_compile_to_dag};
-use v3_compiler::dag::{
-    literal_bits_int, ArrowBody, Behavior, BindEmitParticipation, PortState, TransformTarget,
-    TypeConnective, ValueBody,
-};
-use v3_compiler::evaluator::{
-    evaluate_body, EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder, Value,
-};
-
-const SOURCE: &str = include_str!("../fixtures/r3_class_2_function_valued_data.dag");
-const FILE: &str = "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data.dag";
-const RECURSIVE_SOURCE: &str = r#"
-data countdown: fn(Int) -> Int = |n| countdown(n)
-
-fn use_countdown() -> Int = countdown(1)
-"#;
-const NESTED_RECURSIVE_SOURCE: &str = r#"
-data countdown: fn(Int) -> Int = |n| if true then countdown(n) else 0
-
-fn use_countdown() -> Int = countdown(1)
-"#;
-const DATA_DATA_CYCLE_SOURCE: &str = r#"
-data evenish: fn(Int) -> Int = |n| oddish(n)
-data oddish: fn(Int) -> Int = |n| evenish(n)
-
-fn use_evenish() -> Int = evenish(1)
-"#;
-const DATA_FN_CYCLE_SOURCE: &str = r#"
-data entry: fn(Int) -> Int = |n| helper(n)
-
-fn helper(n: Int) -> Int = entry(n)
-fn use_entry() -> Int = entry(1)
-"#;
-const DATA_PATH_CYCLE_SOURCE: &str = r#"
-type Fns { next: fn(Int) -> Int }
-
-data fns: Fns = { next: entry }
-data entry: fn(Int) -> Int = |n| fns.next(n)
-
-fn use_entry() -> Int = entry(1)
-"#;
-const MALFORMED_LAMBDA_SOURCE: &str = r#"
-data wrong_arity: fn(Int) -> Int = |x, y| x
-
-fn use_wrong_arity() -> Int = wrong_arity(1)
-"#;
-const SHADOWED_DATA_NAME_SOURCE: &str = r#"
-data apply_one: fn(fn(Int) -> Int) -> Int = |apply_one| apply_one(1)
-
-fn inc(n: Int) -> Int = n + 1
-fn use_apply_one() -> Int = apply_one(inc)
-"#;
-
-fn bind_node_id_for_fn(dag: &v3_compiler::dag::Dag, name: &str) -> v3_compiler::dag::NodeId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("missing `{name}`"));
-    let TypeConnective::Arrow { body, .. } = &decl.connective else {
-        panic!("`{name}` must lower as an Arrow");
-    };
-    let ArrowBody::UserDefined(bind_id) = body else {
-        panic!("`{name}` must have an executable UserDefined body, got {body:?}");
-    };
-    bind_id.node_id()
-}
-
-fn assert_rejected_data_lambda(dag: &v3_compiler::dag::Dag, name: &str) {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("function-valued data declaration `{name}`"));
-    assert!(
-        matches!(decl.value_body, Some(ValueBody::Unparsed(_))),
-        "failed data lambda `{name}` must retain an Unparsed body marker"
-    );
-    let TypeConnective::Arrow {
-        inputs,
-        body: ArrowBody::UserDefined(bind_id),
-        ..
-    } = &decl.connective
-    else {
-        panic!("rejected data lambda `{name}` must keep a poisoned executable Arrow");
-    };
-    assert_eq!(
-        bind_id.bind(dag).params.len(),
-        inputs.len(),
-        "rejected data lambda `{name}` must preserve callable arity"
-    );
-    assert!(
-        matches!(
-            dag.port(bind_id.bind(dag).value).state(),
-            PortState::Unresolved
-        ),
-        "rejected data lambda `{name}` must poison callers through an unresolved body"
-    );
-}
-
-fn assert_rejected_data_lambda_in_file(dag: &v3_compiler::dag::Dag, file: &str, name: &str) {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("function-valued data declaration `{name}` in {file}"));
-    assert!(
-        matches!(decl.value_body, Some(ValueBody::Unparsed(_))),
-        "failed data lambda `{name}` in {file} must retain an Unparsed body marker; got {:?}",
-        decl.value_body
-    );
-    assert_rejected_data_lambda(dag, name);
-}
-
-fn assert_user_callable_bind_names(dag: &v3_compiler::dag::Dag, file: &str, expected: &[&str]) {
-    let mut names: Vec<&str> = dag
-        .nodes()
-        .iter()
-        .filter_map(|node| match node {
-            Behavior::Bind(bind)
-                if bind.span.file == file
-                    && bind.emit_participation() == Some(BindEmitParticipation::UserCallable) =>
-            {
-                Some(bind.name.as_str())
-            }
-            _ => None,
-        })
-        .collect();
-    names.sort_unstable();
-    let mut expected_names = expected.to_vec();
-    expected_names.sort_unstable();
-    assert_eq!(
-        names, expected_names,
-        "rejected data-lambda cycles must not leave pre-rejection lambda binds"
-    );
-}
-
-#[test]
-fn substrate_gap_function_valued_data_executes_through_evaluator() {
-    let dag = cached_compile_to_dag(SOURCE, FILE);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "representative must compile without diagnostics: {:?}",
-        dag.diagnostics()
-    );
-
-    let add_one = dag
-        .declaration_by_name("add_one")
-        .expect("function-valued data declaration")
-        .id;
-    let add_one_decl = dag.declaration(add_one);
-    assert!(
-        add_one_decl.meta_tag.is_some(),
-        "`add_one` must retain the data declaration's type-annotation edge"
-    );
-    assert!(
-        add_one_decl.value_body.is_none(),
-        "executable function-valued data must not keep an opaque ValueBody scaffold"
-    );
-    assert!(
-        matches!(
-            &add_one_decl.connective,
-            TypeConnective::Arrow {
-                body: ArrowBody::UserDefined(_),
-                ..
-            }
-        ),
-        "function-valued data must carry an executable Arrow body"
-    );
-    let user_defined_arrow_names: Vec<&str> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| decl.span.file == FILE)
-        .filter_map(|decl| {
-            matches!(
-                &decl.connective,
-                TypeConnective::Arrow {
-                    body: ArrowBody::UserDefined(_),
-                    ..
-                }
-            )
-            .then_some(decl.name.as_deref())
-            .flatten()
-        })
-        .collect();
-    assert_eq!(
-        user_defined_arrow_names,
-        vec![
-            "add_one",
-            "gate61_empty_int_witnesses",
-            "gate61_int_witnesses",
-            "report_int",
-            "test_function_valued_data",
-            "test_function_valued_dimension_report",
-        ],
-        "only the named data callable and named caller should carry executable Arrow bodies"
-    );
-    assert!(
-        dag.nodes().iter().any(|node| {
-            matches!(
-                node,
-                Behavior::Transform(t)
-                    if matches!(&t.target, TransformTarget::Callable(target) if *target == add_one)
-            )
-        }),
-        "`add_one(41)` must lower to TransformTarget::Callable(add_one), not a Rust-side bypass"
-    );
-
-    let entry = bind_node_id_for_fn(&dag, "test_function_valued_data");
-    let mut state = EvalStateStack::with_root_frame(EvalFrame::empty());
-    let strategy = EvalStrategy::ApplicativeOrder {
-        input_order: InputEvaluationOrder::LeftFirst,
-    };
-    let value = evaluate_body(&dag, entry, &mut state, strategy)
-        .expect("function-valued data should execute through evaluator");
-
-    assert_eq!(value, Value::LiteralValue(literal_bits_int(42)));
-}
-
-#[test]
-fn substrate_gap_function_valued_data_produces_dimension_report() {
-    let dag = cached_compile_to_dag(SOURCE, FILE);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "representative must compile without diagnostics: {:?}",
-        dag.diagnostics()
-    );
-
-    let report_int = dag
-        .declaration_by_name("report_int")
-        .expect("function-valued DimensionReport data")
-        .id;
-    let report_int_decl = dag.declaration(report_int);
-    assert!(
-        report_int_decl.value_body.is_none(),
-        "`report_int` must lower as executable function-valued data"
-    );
-    assert!(
-        matches!(
-            &report_int_decl.connective,
-            TypeConnective::Arrow {
-                body: ArrowBody::UserDefined(_),
-                ..
-            }
-        ),
-        "`report_int` must carry a UserDefined Arrow body"
-    );
-    assert!(
-        dag.nodes().iter().any(|node| {
-            matches!(
-                node,
-                Behavior::Transform(t)
-                    if matches!(&t.target, TransformTarget::Callable(target) if *target == report_int)
-            )
-        }),
-        "`report_int(42)` must lower to TransformTarget::Callable(report_int)"
-    );
-
-    let entry = bind_node_id_for_fn(&dag, "test_function_valued_dimension_report");
-    let mut state = EvalStateStack::with_root_frame(EvalFrame::empty());
-    let strategy = EvalStrategy::ApplicativeOrder {
-        input_order: InputEvaluationOrder::LeftFirst,
-    };
-    let value = evaluate_body(&dag, entry, &mut state, strategy)
-        .expect("function-valued data should produce DimensionReport through evaluator");
-
-    let Value::VariantValue { tag, payload } = value else {
-        panic!("expected DimensionReport::DimensionOk VariantValue");
-    };
-    let variant_label = dag.declarations().iter().find_map(|decl| {
-        let TypeConnective::Disj { variants } = &decl.connective else {
-            return None;
-        };
-        variants
-            .iter()
-            .find(|variant| variant.ty == tag)
-            .map(|variant| variant.label.as_str())
-    });
-    assert_eq!(
-        variant_label,
-        Some("DimensionOk"),
-        "E6-G0d must materialize the canonical DimensionOk variant constructor"
-    );
-    let Value::RecordValue(fields) = *payload else {
-        panic!("DimensionOk payload must be a RecordValue");
-    };
-    let composed = fields
-        .iter()
-        .find(|field| field.label == "composed")
-        .expect("DimensionOk.composed field");
-    assert_eq!(composed.value, Value::LiteralValue(literal_bits_int(42)));
-}
-
-#[test]
-fn function_valued_data_recursion_fails_closed() {
-    let dag = cached_compile_any(
-        RECURSIVE_SOURCE,
-        "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data_recursive.dag",
-    );
-    assert_rejected_data_lambda(&dag, "countdown");
-
-    let dag = cached_compile_any(
-        NESTED_RECURSIVE_SOURCE,
-        "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data_nested_recursive.dag",
-    );
-    assert_rejected_data_lambda(&dag, "countdown");
-}
-
-#[test]
-fn function_valued_data_cycles_fail_closed() {
-    for (source, file, data_name, expected_binds) in [
-        (
-            DATA_DATA_CYCLE_SOURCE,
-            "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data_data_cycle.dag",
-            "evenish",
-            &["evenish", "oddish", "use_evenish"][..],
-        ),
-        (
-            DATA_FN_CYCLE_SOURCE,
-            "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data_fn_cycle.dag",
-            "entry",
-            &["entry", "helper", "use_entry"][..],
-        ),
-        (
-            DATA_PATH_CYCLE_SOURCE,
-            "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data_path_cycle.dag",
-            "entry",
-            &["entry", "use_entry"][..],
-        ),
-    ] {
-        let dag = cached_compile_any(source, file);
-        assert_rejected_data_lambda_in_file(&dag, file, data_name);
-        assert_user_callable_bind_names(&dag, file, expected_binds);
-    }
-}
-
-#[test]
-fn function_valued_data_lambda_errors_poison_callable() {
-    let dag = cached_compile_any(
-        MALFORMED_LAMBDA_SOURCE,
-        "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data_malformed_lambda.dag",
-    );
-    assert_rejected_data_lambda(&dag, "wrong_arity");
-}
-
-#[test]
-fn function_valued_data_lambda_parameter_shadowing_is_not_recursive() {
-    let dag = cached_compile_any(
-        SHADOWED_DATA_NAME_SOURCE,
-        "src/v3/compiler/tests/fixtures/r3_class_2_function_valued_data_shadowed_name.dag",
-    );
-    assert!(
-        dag.diagnostics().is_empty(),
-        "shadowed data name must resolve as the lambda parameter, not recursive data: {:?}",
-        dag.diagnostics()
-    );
-    let apply_one = dag
-        .declaration_by_name("apply_one")
-        .expect("function-valued data declaration");
-    assert!(
-        apply_one.value_body.is_none(),
-        "shadowed parameter call must not poison the data lambda"
-    );
-    assert!(
-        matches!(
-            &apply_one.connective,
-            TypeConnective::Arrow {
-                body: ArrowBody::UserDefined(_),
-                ..
-            }
-        ),
-        "shadowed parameter call must keep the data lambda executable"
-    );
-
-    assert!(
-        dag.declaration_by_name("use_apply_one").is_some(),
-        "caller should compile after shadow-aware data-lambda lowering"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r3_free_consequences_first_batch_test.rs b/src/v3/compiler/tests/integration/r3_free_consequences_first_batch_test.rs
deleted file mode 100644
index a746e8a9927..00000000000
--- a/src/v3/compiler/tests/integration/r3_free_consequences_first_batch_test.rs
+++ /dev/null
@@ -1,100 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 T-Free-Consequences first-batch author-now/fire-later claims.
-//! Gate `#43` asserts pairwise-independent top-level binds emit a parallel Rust
-//! schedule; gate `#44` stays fail-closed on the scalar parallelism placeholder;
-//! gate `#45` asserts a Bool branch lowers to `if … else` with no `thread::scope`
-//! scheduling on the arms; gate `#50` asserts one-shot pure calls do not emit
-//! memo/cache scaffolding. Repeated-call memoization remains deferred.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-use crate::common::run_on_larger_stack;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/r3_free_consequences_first_batch.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/r3_free_consequences_first_batch.dag";
-const SUITE_NAME: &str = "r3_free_consequences_first_batch_suite";
-const EXPECTED_CLAIMS: [&str; 5] = [
-    "auto_parallelism_independent_binds_emit_parallel",
-    "auto_parallelism_dependent_binds_pending_lens_fail_closed",
-    "auto_parallelism_branch_arms_serialize",
-    "auto_memoization_repeated_pure_call_cached",
-    "auto_memoization_no_caching_for_one_shot",
-];
-
-#[test]
-fn r3_free_consequences_first_batch_reaches_unified_predicate_shape() {
-    run_on_larger_stack(|| {
-        r3_free_consequences_first_batch_reaches_unified_predicate_shape_inner()
-    });
-}
-
-fn r3_free_consequences_first_batch_reaches_unified_predicate_shape_inner() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), EXPECTED_CLAIMS.len());
-
-    for (result, expected_name) in results.iter().zip(EXPECTED_CLAIMS) {
-        assert_eq!(result.claim_name, expected_name);
-        match expected_name {
-            "auto_parallelism_independent_binds_emit_parallel" => {
-                assert!(
-                    matches!(&result.result, ClaimResult::Pass),
-                    "expected {expected_name} to Pass (parallel Rust emission witness), got {:?}",
-                    result.result
-                );
-            }
-            "auto_parallelism_dependent_binds_pending_lens_fail_closed" => {
-                assert!(
-                    matches!(&result.result, ClaimResult::Fail(_)),
-                    "expected {expected_name} to Fail (fail-closed pending parallelism lens), got {:?}",
-                    result.result
-                );
-            }
-            "auto_parallelism_branch_arms_serialize" => {
-                assert!(
-                    matches!(&result.result, ClaimResult::Pass),
-                    "expected {expected_name} to Pass (Bool branch lowers to `if … else` with no `thread::scope`), got {:?}",
-                    result.result
-                );
-            }
-            "auto_memoization_repeated_pure_call_cached" => {
-                assert!(
-                    matches!(
-                        &result.result,
-                        ClaimResult::NotYetImplemented(reason)
-                            if reason.contains("BinaryDimensionReportEquals")
-                                && reason.contains("structural shape is valid")
-                    ),
-                    "expected {expected_name} to reach BinaryDimensionReportEquals deferred path, got {:?}",
-                    result.result
-                );
-            }
-            "auto_memoization_no_caching_for_one_shot" => {
-                assert!(
-                    matches!(&result.result, ClaimResult::Pass),
-                    "expected {expected_name} to Pass (one-shot memoization absence witness), got {:?}",
-                    result.result
-                );
-            }
-            _ => panic!("unexpected claim name: {expected_name}"),
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/r3_free_consequences_second_batch_test.rs b/src/v3/compiler/tests/integration/r3_free_consequences_second_batch_test.rs
deleted file mode 100644
index 747204e7255..00000000000
--- a/src/v3/compiler/tests/integration/r3_free_consequences_second_batch_test.rs
+++ /dev/null
@@ -1,460 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 T-Free-Consequences second-batch author-now/fire-later claims. The auto-loop-parallelism
-//! claims (#46–#48) assert `Pass` on a **staged** scalar only: `lane2_workflow` may be installed via
-//! the magic-comment harness (`src/v3/compiler/src/r3_fc_lane2_loop_witness.rs`) and read by the
-//! native `auto_loop_parallelism_pending_lens` path — see `ROADMAP.md` §"R3 second-batch auto-loop
-//! scaffold". The directive lines are **author attestation**, not a compiler proof of iteration
-//! independence or dependence; full `Lens<Iteration-Independence> * …` composition is out of scope
-//! here. Gate **#48** additionally keeps a structural `std.list.fold` program in
-//! `r3_free_consequences_auto_loop_parallelism_dependence.v3` so lowering still exercises a real
-//! loop body; integration tests ratchet embedded `TestClaim.source` against that file byte-for-byte
-//! and assert the claim program lowers to `Behavior::Loop` so the fold is exercised on the compile
-//! path, not only carried as inert text. The first cross-target-optimization claim (#51) is
-//! executable through the symbolic-cost lens: the host test proves a constant arithmetic subtree has
-//! cost `1` before the folded literal target (`3`) is applied. Gate #52 keeps the cost-related
-//! `BinaryDimensionReportEquals` shape at the generic runner boundary and adds a host-side
-//! executable receipt that composes `Lens<SymbolicCost>` with `LanguageSpec` realization rows.
-//! **R3 §1.8 gate #38** (`coercion_cost_equals_complexity_by_construction`, T-CostLens-Composition)
-//! reuses that structural derivation and additionally pins that `complexity_of(..).work` matches
-//! `symbolic_cost_of` on the same port — coercion-shaped cost folds into the same `SymbolicCost`
-//! carrier as complexity, not a parallel substrate dimension.
-
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    ArithmeticOp, Behavior, ComparisonOp, Dag, DeclarationId, OperatorKind, SymbolicCost,
-    TransformTarget,
-};
-use v3_compiler::emit_rust::emit_rust;
-use v3_compiler::generated_full_bootstrap_dag;
-use v3_compiler::lens_cost::{complexity_of, ComplexityLookup};
-use v3_compiler::lens_cost_symbolic::{symbolic_cost_lookup, SymbolicCostLookup};
-use v3_compiler::realization_cost::{
-    compose_symbolic_cost_with_realization_costs, RealizationCostAmount, RealizationCostKey,
-    RealizationCostTable,
-};
-use v3_compiler::test_runner::{ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-use crate::common::run_on_larger_stack;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/r3_free_consequences_second_batch.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/r3_free_consequences_second_batch.dag";
-const SUITE_NAME: &str = "r3_free_consequences_second_batch_suite";
-const GATE_52_PROGRAM_FILE: &str = "r3_free_consequences_gate52_cost_structurally_derived.v3";
-/// Byte-sync authority for gate #48 `TestClaim.source` (`include_str` ↔ embedded `.dag` string).
-const GATE_48_PROGRAM_AUTHORITY: &str =
-    include_str!("../fixtures/r3_free_consequences_auto_loop_parallelism_dependence.v3");
-const EXPECTED_CLAIMS: [&str; 5] = [
-    "auto_loop_parallelism_provable_independence_emits_parallel",
-    "auto_loop_parallelism_unproven_falls_back_sequential",
-    "auto_loop_parallelism_dependence_emits_sequential",
-    "cross_target_optimization_constant_fold_consistent",
-    "cross_target_optimization_cost_structurally_derived",
-];
-
-static SECOND_BATCH_DAG: OnceLock<Dag> = OnceLock::new();
-
-fn second_batch_dag() -> &'static Dag {
-    SECOND_BATCH_DAG.get_or_init(|| match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    })
-}
-
-fn claim_by_name(name: &str) -> TestClaimValue {
-    let dag = second_batch_dag();
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("{name} TestClaim declaration"));
-    TestClaimValue::from_declaration(decl).unwrap_or_else(|_| panic!("{name} TestClaimValue"))
-}
-
-#[test]
-fn r3_free_consequences_second_batch_reaches_expected_consumer_shapes() {
-    run_on_larger_stack(|| {
-        r3_free_consequences_second_batch_reaches_expected_consumer_shapes_inner()
-    });
-}
-
-fn r3_free_consequences_second_batch_reaches_expected_consumer_shapes_inner() {
-    let dag = second_batch_dag();
-    let gate_48 = dag
-        .declaration_by_name("auto_loop_parallelism_dependence_emits_sequential")
-        .expect("gate #48 TestClaim declaration");
-    let claim_48 = TestClaimValue::from_declaration(gate_48).expect("TestClaimValue");
-    assert_eq!(
-        claim_48.source,
-        GATE_48_PROGRAM_AUTHORITY,
-        "embedded `TestClaim.source` must match `r3_free_consequences_auto_loop_parallelism_dependence.v3` byte-for-byte"
-    );
-
-    let gate_48_program = match compile_to_dag(&claim_48.source, &claim_48.file_name) {
-        Ok(dag) => dag,
-        Err(CompileError::Semantic(dag)) => panic!(
-            "gate #48 claim program should compile without diagnostics, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("gate #48 claim program compile error: {other:?}"),
-    };
-    assert!(
-        gate_48_program
-            .nodes()
-            .iter()
-            .any(|b| matches!(b, Behavior::Loop(_))),
-        "gate #48 must lower `std.list.fold` to at least one Behavior::Loop (fold is not decorative)"
-    );
-
-    let results = TestRunner::new(dag).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), EXPECTED_CLAIMS.len());
-
-    for (idx, (result, expected_name)) in results.iter().zip(EXPECTED_CLAIMS).enumerate() {
-        assert_eq!(result.claim_name, expected_name);
-        if idx < 4 {
-            assert!(
-                matches!(&result.result, ClaimResult::Pass),
-                "expected {expected_name} to pass (loop witnesses use staged LensOutputEquals; gate #51 uses executable SymbolicCostExprEquals), got {:?}",
-                result.result
-            );
-        } else {
-            assert!(
-                matches!(&result.result, ClaimResult::NotYetImplemented(_)),
-                "expected {expected_name} `.dag` predicate to stay at the generic BinaryDimensionReportEquals boundary; \
-                 gate #52's executable receipt lives in `cross_target_optimization_cost_structurally_derived_receipt`, got {:?}",
-                result.result
-            );
-        }
-    }
-}
-
-/// Host-side structural receipt shared by **gate #52** (`cross_target_optimization_cost_structurally_derived`)
-/// and **gate #38** (`coercion_cost_equals_complexity_by_construction`).
-///
-/// Returns the compiled user program so callers can assert additional T-CostLens-Composition
-/// invariants on the same certification-shaped fixture.
-fn cross_target_structural_cost_derivation_fixture() -> Dag {
-    let boot = generated_full_bootstrap_dag();
-    let rust_language = named_id(&boot, "rust_language");
-    let int_decl = named_id(&boot, "Int");
-    let table = RealizationCostTable::for_language(&boot, rust_language)
-        .expect("Rust LanguageSpec realization-cost table should build");
-
-    let user = compile_to_dag(
-        "\
-fn countdown(n: Int) -> Int =
-  if n == 0 then 0 else countdown(n - 1) + 1
-
-let demo: Int = countdown(3) + 1
-",
-        GATE_52_PROGRAM_FILE,
-    )
-    .expect("gate #52 representative program compiles");
-    let emitted = emit_rust(&user).expect("gate #52 representative program emits to Rust");
-    assert!(
-        emitted.contains("fn countdown")
-            && emitted.contains("(countdown(&(((*(p0)) - 1))) + 1)")
-            && emitted.contains("let demo: i64 = (countdown(&(3)) + 1);"),
-        "gate #52 must exercise the emitted target program, got:\n{emitted}"
-    );
-
-    let countdown = find_bind_value(&user, "countdown");
-    let algebra_cost = match symbolic_cost_lookup(&user, &countdown) {
-        SymbolicCostLookup::Hit(cost) => cost,
-        SymbolicCostLookup::Miss => panic!("symbolic_cost_lookup Miss for `countdown`"),
-    };
-
-    let realized_rows = realized_primitive_rows_from_program(&boot, &user, int_decl);
-    assert_eq!(
-        realized_rows
-            .iter()
-            .map(|row| (row.name, row.op))
-            .collect::<Vec<_>>(),
-        expected_gate_52_realization_rows(&boot, int_decl)
-            .iter()
-            .map(|row| (row.name, row.op))
-            .collect::<Vec<_>>(),
-        "gate #52 fixture should derive Add/Add/Eq/Eq/Sub primitive row identities from the program DAG"
-    );
-    let realized_costs = realized_rows
-        .iter()
-        .map(|row| realization_cost(&table, int_decl, row.op))
-        .map(|cost| cost.value())
-        .collect::<Vec<_>>();
-    assert_eq!(
-        realized_costs,
-        vec![1, 1, 1, 1, 1],
-        "gate #52 fixture should derive Add/Add/Eq/Eq/Sub primitive costs from Rust LanguageSpec rows"
-    );
-
-    let observed_target_cost =
-        compose_observed_structural_cost(algebra_cost.clone(), &table, int_decl, &realized_rows);
-    let expected_structural_cost = compose_expected_structural_cost(
-        algebra_cost,
-        &table,
-        int_decl,
-        expected_gate_52_realization_rows(&boot, int_decl),
-    );
-
-    assert_eq!(
-        observed_target_cost, expected_structural_cost,
-        "gate #52 target-cost reading must equal Lens<SymbolicCost> composed with LanguageSpec realization costs"
-    );
-    assert!(
-        mentions_linear(&observed_target_cost),
-        "gate #52 receipt should preserve the recursive program's structural linear bound, got {observed_target_cost:?}"
-    );
-    user
-}
-
-#[test]
-fn cross_target_optimization_cost_structurally_derived_receipt() {
-    run_on_larger_stack(|| {
-        let _user = cross_target_structural_cost_derivation_fixture();
-    });
-}
-
-/// R3 §1.8 gate #38 — T-CostLens-Composition: structural target-cost composition uses the same
-/// `SymbolicCost` semiring as the complexity lens (`ComplexitySummary.work`), verified on the same
-/// certification-shaped fixture as gate #52.
-#[test]
-fn coercion_cost_equals_complexity_by_construction() {
-    run_on_larger_stack(|| {
-        let user = cross_target_structural_cost_derivation_fixture();
-        let demo_port = find_bind_value(&user, "demo");
-        let via_cost = match symbolic_cost_lookup(&user, &demo_port) {
-            SymbolicCostLookup::Hit(cost) => cost,
-            SymbolicCostLookup::Miss => panic!("symbolic_cost_lookup Miss for `demo`"),
-        };
-        let via_complexity = match complexity_of(&user, &demo_port) {
-            ComplexityLookup::Hit(summary) => summary,
-            ComplexityLookup::Miss => panic!("complexity_of Miss for `demo`"),
-        };
-        assert_eq!(
-            via_complexity.work, via_cost,
-            "gate #38: complexity lens `work` must agree with symbolic cost on the same port (single SymbolicCost authority)"
-        );
-    });
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-struct RealizedPrimitiveRow {
-    name: &'static str,
-    op: DeclarationId,
-}
-
-fn realized_primitive_rows_from_program(
-    boot: &Dag,
-    program: &Dag,
-    int_decl: DeclarationId,
-) -> Vec<RealizedPrimitiveRow> {
-    let mut rows = Vec::new();
-    for transform in program
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .filter(|transform| transform.span.file == GATE_52_PROGRAM_FILE)
-    {
-        let Some(row) = operator_row_for_transform(boot, &transform.target, int_decl) else {
-            continue;
-        };
-        rows.push(row);
-    }
-    rows.sort_by_key(|row| row.name);
-    rows
-}
-
-fn compose_expected_structural_cost(
-    algebra_cost: SymbolicCost,
-    table: &RealizationCostTable,
-    int_decl: DeclarationId,
-    rows: Vec<RealizedPrimitiveRow>,
-) -> SymbolicCost {
-    // Mirrors the gate #52 fixture's lowered program DAG exactly: one recursive decrement
-    // (`n - 1`), two equality transforms for the conditional path, and two additions
-    // (recursive body plus `demo + 1`).
-    rows.into_iter()
-        .map(|row| realization_cost(table, int_decl, row.op))
-        .fold(algebra_cost, |acc, primitive_cost| {
-            compose_symbolic_cost_with_realization_costs(acc, [primitive_cost])
-        })
-}
-
-fn expected_gate_52_realization_rows(
-    boot: &Dag,
-    int_decl: DeclarationId,
-) -> Vec<RealizedPrimitiveRow> {
-    [
-        operator_realization_row(boot, "rust_int_add", int_decl),
-        operator_realization_row(boot, "rust_int_add", int_decl),
-        operator_realization_row(boot, "rust_int_eq", int_decl),
-        operator_realization_row(boot, "rust_int_eq", int_decl),
-        operator_realization_row(boot, "rust_int_sub", int_decl),
-    ]
-    .into()
-}
-
-fn realization_cost(
-    table: &RealizationCostTable,
-    int_decl: DeclarationId,
-    op: DeclarationId,
-) -> RealizationCostAmount {
-    table
-        .cost(&RealizationCostKey::Operator {
-            target: int_decl,
-            op,
-        })
-        .unwrap_or_else(|| {
-            panic!("missing Rust LanguageSpec realization cost for operator row {op:?}")
-        })
-}
-
-fn compose_observed_structural_cost(
-    algebra_cost: SymbolicCost,
-    table: &RealizationCostTable,
-    int_decl: DeclarationId,
-    rows: &[RealizedPrimitiveRow],
-) -> SymbolicCost {
-    rows.iter()
-        .map(|row| realization_cost(table, int_decl, row.op))
-        .fold(algebra_cost, |acc, primitive_cost| {
-            compose_symbolic_cost_with_realization_costs(acc, [primitive_cost])
-        })
-}
-
-fn operator_row_for_transform(
-    boot: &Dag,
-    target: &TransformTarget,
-    int_decl: DeclarationId,
-) -> Option<RealizedPrimitiveRow> {
-    let row = match target {
-        TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Add)) => "rust_int_add",
-        TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Sub)) => "rust_int_sub",
-        TransformTarget::Operator(OperatorKind::Comparison(ComparisonOp::Eq)) => "rust_int_eq",
-        _ => return None,
-    };
-    Some(operator_realization_row(boot, row, int_decl))
-}
-
-fn operator_realization_row(
-    boot: &Dag,
-    row: &'static str,
-    int_decl: DeclarationId,
-) -> RealizedPrimitiveRow {
-    let row_decl = boot
-        .declaration_by_name(row)
-        .unwrap_or_else(|| panic!("missing `{row}` OperatorRealization row"));
-    assert_eq!(
-        field_ref(boot, row, "target"),
-        int_decl,
-        "`{row}` should realize the bootstrap Int target"
-    );
-    assert!(
-        row_decl.value_body.is_some(),
-        "OperatorRealization row should have a structural body"
-    );
-    RealizedPrimitiveRow {
-        name: row,
-        op: field_ref(boot, row, "op"),
-    }
-}
-
-fn find_bind_value(dag: &Dag, name: &str) -> v3_compiler::dag::PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-fn named_id(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("missing declaration `{name}`"))
-        .id
-}
-
-fn field_ref(dag: &Dag, decl_name: &str, field_name: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(decl_name)
-        .unwrap_or_else(|| panic!("missing declaration `{decl_name}`"));
-    let Some(v3_compiler::dag::ValueBody::Structural { fields }) = decl.value_body.as_ref() else {
-        panic!("`{decl_name}` should have a structural body");
-    };
-    fields
-        .iter()
-        .find_map(|(key, value)| {
-            (key == field_name).then(|| match value {
-                v3_compiler::dag::FieldValue::Reference(id) => *id,
-                other => {
-                    panic!("`{decl_name}.{field_name}` should be DeclarationRef, got {other:?}")
-                }
-            })
-        })
-        .unwrap_or_else(|| panic!("`{decl_name}` missing field `{field_name}`"))
-}
-
-fn mentions_linear(cost: &SymbolicCost) -> bool {
-    match cost {
-        SymbolicCost::LinearCost { .. } => true,
-        SymbolicCost::SumCost { _0: terms } | SymbolicCost::ProductCost { _0: terms } => {
-            terms.iter().any(|term| mentions_linear(term.as_ref()))
-        }
-        _ => false,
-    }
-}
-
-#[test]
-fn cross_target_optimization_constant_fold_consistent_has_symbolic_cost_witness() {
-    run_on_larger_stack(|| {
-        let claim = claim_by_name("cross_target_optimization_constant_fold_consistent");
-        let dag = compile_to_dag(&claim.source, &claim.file_name)
-            .expect("gate #51 claim source compiles");
-        let folded_bind = dag
-            .nodes()
-            .iter()
-            .filter_map(Behavior::as_bind)
-            .find(|bind| bind.name == "folded")
-            .expect("gate #51 folded bind");
-        let pre_fold_cost = match symbolic_cost_lookup(&dag, &folded_bind.value) {
-            SymbolicCostLookup::Hit(cost) => cost,
-            SymbolicCostLookup::Miss => panic!("gate #51 symbolic_cost_lookup returned Miss"),
-        };
-        assert!(
-            matches!(pre_fold_cost, SymbolicCost::ConstantCost { _0: 1 }),
-            "gate #51 pre-fold arithmetic subtree cost should be ConstantCost(1), got {pre_fold_cost:?}"
-        );
-        // This witness intentionally observes the pre-fold DAG; if lowering starts folding
-        // `1 + 2` earlier, update this Add-shape check and the expected symbolic cost together.
-        let transform = dag
-            .nodes()
-            .iter()
-            .filter_map(Behavior::as_transform)
-            .find(|t| {
-                matches!(
-                    &t.target,
-                    v3_compiler::dag::TransformTarget::Operator(OperatorKind::Arithmetic(
-                        ArithmeticOp::Add
-                    ))
-                )
-            })
-            .expect("gate #51 should lower `1 + 2` to an Add transform before folding");
-        assert_eq!(
-            transform.inputs.len(),
-            2,
-            "gate #51 Add transform should have two operands"
-        );
-    });
-}
diff --git a/src/v3/compiler/tests/integration/r3_gate_60_phase2_width_nat_parser_test.rs b/src/v3/compiler/tests/integration/r3_gate_60_phase2_width_nat_parser_test.rs
deleted file mode 100644
index 49c5f44d406..00000000000
--- a/src/v3/compiler/tests/integration/r3_gate_60_phase2_width_nat_parser_test.rs
+++ /dev/null
@@ -1,244 +0,0 @@
-//! R3 gate #60 Phase 2.1 — parser + lower receipt for `Algebra<N>` surface sugar
-//! (`Int<64>` → `Compose<Int, MachineWidth<64>>` with literal-Nat phantom slot).
-//!
-//! Slice Z (`MachineWidth<Word*>` → literal-Nat slot-2 in `dsl/std/{integer,float}.dag`) lands with
-//! this workstream; §1.4 conjuncts D (class-bridge census) and F (v2 parity) remain per
-//! `docs/audit/r3-gate-60-decomposition.md`.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{AtomPayload, Dag, LiteralBits, TypeConnective};
-use v3_compiler::parse_surface;
-use v3_compiler::{parse_for_test, tokenize_for_test};
-
-use crate::common::substrate_receipts::bind_value_type_decl;
-
-const FILE: &str = "r3_gate_60_phase2_width_nat.v3";
-
-fn assert_compose_algebra_machine_width_literal(
-    dag: &Dag,
-    bind_name: &str,
-    algebra_name: &str,
-    expected_width_decimal: &str,
-) {
-    let ty = bind_value_type_decl(dag, bind_name);
-    assert_root_type_is_compose_algebra_machine_width_literal(
-        dag,
-        ty,
-        algebra_name,
-        expected_width_decimal,
-    );
-}
-
-fn assert_root_type_is_compose_algebra_machine_width_literal(
-    dag: &Dag,
-    ty: v3_compiler::dag::DeclarationId,
-    algebra_name: &str,
-    expected_width_decimal: &str,
-) {
-    let decl = dag.declaration(ty);
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &decl.connective
-    else {
-        panic!(
-            "expected root Instantiation for lowered width type, got {:?}",
-            decl.connective
-        );
-    };
-    let compose_id = dag
-        .declaration_by_name("Compose")
-        .unwrap_or_else(|| panic!("Compose"))
-        .id;
-    assert_eq!(*template, compose_id, "root template");
-    assert_eq!(arguments.len(), 2, "Compose arity");
-
-    let algebra_id = dag
-        .declaration_by_name(algebra_name)
-        .unwrap_or_else(|| panic!("{algebra_name}"))
-        .id;
-    assert_eq!(
-        arguments[0].value, algebra_id,
-        "slot-1 algebra `{algebra_name}`"
-    );
-
-    let mw_decl = dag.declaration(arguments[1].value);
-    let TypeConnective::Instantiation {
-        template: mw_template,
-        arguments: mw_args,
-    } = &mw_decl.connective
-    else {
-        panic!(
-            "expected MachineWidth instantiation, got {:?}",
-            mw_decl.connective
-        );
-    };
-    let machine_width_id = dag
-        .declaration_by_name("MachineWidth")
-        .unwrap_or_else(|| panic!("MachineWidth"))
-        .id;
-    assert_eq!(*mw_template, machine_width_id);
-    assert_eq!(mw_args.len(), 1);
-    let inner = dag.declaration(mw_args[0].value);
-    match &inner.connective {
-        TypeConnective::Atom(AtomPayload::Literal(LiteralBits::Int(s))) => {
-            assert_eq!(s, expected_width_decimal);
-        }
-        other => panic!("expected literal Nat width, got {other:?}"),
-    }
-}
-
-#[test]
-fn gate_60_bare_numeric_type_is_parse_rejected() {
-    // Codex gate #60 review: width nat literals are only valid inside `<…>` type args,
-    // not as standalone atomic types (`Fail-closed` / illegal surface unrepresentable).
-    let source = "let x: 64 = 0\n";
-    let tokens = tokenize_for_test(source, "bare_width_nat_reject.v3").expect("tokenize");
-    let err = parse_for_test(&tokens, "bare_width_nat_reject.v3").expect_err("parse must fail");
-    let v3_compiler::Diagnostic::ParseError { message, .. } = err else {
-        panic!("expected ParseError, got {err:?}");
-    };
-    // `Diagnostic::ParseError` carries only `message` (no stable error code). Assert the
-    // `TokenKind::IntLit` variant label from `Debug` formatting — not the full human sentence
-    // (`TESTING.md`: avoid coupling tests to prose-only contracts where possible).
-    assert!(
-        message.contains("IntLit"),
-        "expected IntLit token kind in diagnostic, got {message:?}"
-    );
-}
-
-#[test]
-fn gate_60_int_disallowed_width_fails_closed_without_malformed_template_args() {
-    // When `Int<N>` sugar rejects `N` (not in {8, 16, 32, 64, 128}), lowering must not
-    // silently attach a literal-width decl as a `TemplateArgument` to `Int` (arity-0
-    // template); expect an authoritative arity mismatch instead.
-    let source = "\
-import std.integer { Int }
-
-let probe: Int<5> = 0
-";
-    let err = compile_to_dag(source, FILE).expect_err("Int<5> must be rejected");
-    let v3_compiler::CompileError::Semantic(dag) = err else {
-        panic!("expected semantic failure, got {err:?}");
-    };
-    assert!(
-        dag.diagnostics().iter().any(|(_, d)| {
-            matches!(
-                d,
-                v3_compiler::Diagnostic::ArityMismatch {
-                    function,
-                    expected: 0,
-                    actual: 1,
-                    ..
-                } if function == "type `Int`"
-            )
-        }),
-        "expected ArityMismatch for `Int` (0 params, 1 arg), got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn gate_60_phase2_parse_accepts_algebra_angle_width_nat() {
-    let source = "\
-import std.integer { Int, UInt }
-import std.float { Real }
-import std.nat { Nat }
-
-let width_int: Int<64> = 0
-let width_uint: UInt<32> = 0
-let width_real: Real<64> = 0
-let width_nat: Nat<8> = 0
-";
-    let tokens = tokenize_for_test(source, FILE).expect("tokenize");
-    let parsed = parse_for_test(&tokens, FILE).expect("parse");
-    let m: &parse_surface::SurfaceModule = &parsed;
-
-    fn assert_param_width(
-        items: &[parse_surface::SurfaceItem],
-        name: &str,
-        surface: &str,
-        width: &str,
-    ) {
-        let item = items
-            .iter()
-            .find_map(|it| match it {
-                parse_surface::SurfaceItem::Let {
-                    name: n, type_ann, ..
-                } if n == name => Some(type_ann.as_ref().expect("type ann")),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("let `{name}`"));
-        let parse_surface::SurfaceType::Parameterized {
-            name: tycon, args, ..
-        } = item
-        else {
-            panic!("expected Parameterized type for `{name}`");
-        };
-        assert_eq!(tycon, surface);
-        assert_eq!(args.len(), 1);
-        match &args[0] {
-            parse_surface::TypeAngleArg::WidthNatLiteral { decimal, .. } => {
-                assert_eq!(decimal, width);
-            }
-            other => panic!("expected WidthNatLiteral angle arg for `{name}`, got {other:?}"),
-        }
-    }
-
-    assert_param_width(&m.items, "width_int", "Int", "64");
-    assert_param_width(&m.items, "width_uint", "UInt", "32");
-    assert_param_width(&m.items, "width_real", "Real", "64");
-    assert_param_width(&m.items, "width_nat", "Nat", "8");
-}
-
-#[test]
-fn gate_60_phase2_int_64_lowers_to_compose_int_machine_width_literal() {
-    let source = "\
-import std.integer { Int }
-
-let probe: Int<64> = 0
-";
-    let dag = compile_to_dag(source, FILE).expect("compile");
-    assert_compose_algebra_machine_width_literal(&dag, "probe", "Int", "64");
-}
-
-#[test]
-fn gate_60_phase2_real_64_lowers_to_compose_real_machine_width_literal() {
-    let source = "\
-import std.float { Real }
-
-type Probe = Real<64>
-";
-    let dag = compile_to_dag(source, FILE).expect("compile");
-    let ty = dag
-        .declaration_by_name("Probe")
-        .unwrap_or_else(|| panic!("type Probe"))
-        .id;
-    assert_root_type_is_compose_algebra_machine_width_literal(&dag, ty, "Real", "64");
-}
-
-#[test]
-fn gate_60_phase2_nat_8_lowers_via_uint_slot() {
-    let source = "\
-import std.nat { Nat }
-
-let probe: Nat<8> = 0
-";
-    let dag = compile_to_dag(source, FILE).expect("compile");
-    assert_compose_algebra_machine_width_literal(&dag, "probe", "UInt", "8");
-}
-
-#[test]
-fn gate_60_integer_routing_witness_accepts_literal_nat_machine_width() {
-    let source = "\
-import std.integer { Int }
-
-let probe: Int<64> = 0
-";
-    let dag = compile_to_dag(source, FILE).expect("compile");
-    let ty = bind_value_type_decl(&dag, "probe");
-    assert!(
-        v3_compiler::integer_literal_routing_witness(&dag, ty).is_some(),
-        "expected integer literal routing witness for lowered Int<64>"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r3_gate_62_file_ingestion_negative_bridge_audit_test.rs b/src/v3/compiler/tests/integration/r3_gate_62_file_ingestion_negative_bridge_audit_test.rs
deleted file mode 100644
index 210114dae7e..00000000000
--- a/src/v3/compiler/tests/integration/r3_gate_62_file_ingestion_negative_bridge_audit_test.rs
+++ /dev/null
@@ -1,183 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 §1.8 gate **#62** `substrate_gap_file_ingestion_closed` —
-//! **negative-bridge audit (supporting evidence; NOT a §Acceptance
-//! PASSING receipt)**. CONSUMER_LANDED supplied via the `FileAttachment`
-//! carrier landing in `src/v3/std/timing_lens.dag` plus the structural
-//! ratchet in `file_attachment_substrate_carrier_test.rs` and the
-//! `gate_62_file_attachment_demo_record` existence proof (PR #2823).
-//!
-//! Per operator BLOCKING on PR #3111 (2026-05-14T19:13:37Z): §1.4/§4.3
-//! of `docs/r3-program-plan.md` require a positive `.dag` program that
-//! ingests an external file via `FileAttachment`, not just absence of
-//! the old bridge (THESIS/P1 modeling faithfulness). This audit
-//! ratchets that no `.dag`/`.v3` program body under `dsl/` re-introduces
-//! `include_str!` while the positive ingestion-via-`FileAttachment`
-//! demonstration is built out; it is paired with that future positive
-//! receipt, not a substitute for it.
-//!
-//! Per codex REQUEST_CHANGES on PR #3111 (2026-05-14 review #11981): the
-//! check operates over **program body** text, not raw bytes — line
-//! comments (`// …`), block comments (`/* … */`), and string literals
-//! (`"…"` / `` `…` ``) are stripped before the substring search so a
-//! comment or doc-block discussing the bridge name does not trip the
-//! ratchet. The gate-fact is "no `.dag` program body invokes
-//! `include_str!`", not "no `.dag` file's bytes contain the substring".
-//!
-//! STOP-AND-PING trigger (per parent Mgr brief msg_210620aa): ANY match
-//! at HEAD is a substrate-gap regression, not a paper-over — investigate
-//! and route through the workflow-substrate carrier (`FileAttachment`)
-//! before re-greening this test.
-
-use std::collections::BTreeSet;
-use std::ffi::OsStr;
-use std::fs;
-use std::path::{Path, PathBuf};
-
-const DSL_ROOT: &str = "dsl";
-const NEEDLE: &str = "include_str!";
-
-fn workspace_root() -> PathBuf {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    manifest_dir
-        .ancestors()
-        .nth(3)
-        .expect("workspace root is three ancestors above src/v3/compiler/")
-        .to_path_buf()
-}
-
-fn walk_dag_files(root: &Path, out: &mut BTreeSet<PathBuf>) {
-    let entries = fs::read_dir(root).unwrap_or_else(|e| panic!("read_dir {}: {e}", root.display()));
-    for entry in entries {
-        let entry = entry.expect("read_dir entry");
-        let path = entry.path();
-        if path.is_dir() {
-            walk_dag_files(&path, out);
-        } else if path.extension() == Some(OsStr::new("dag"))
-            || path.extension() == Some(OsStr::new("v3"))
-        {
-            out.insert(path);
-        }
-    }
-}
-
-#[test]
-fn r3_gate_62_no_include_str_in_dsl() {
-    let ws = workspace_root();
-    let dsl_root = ws.join(DSL_ROOT);
-    assert!(
-        dsl_root.is_dir(),
-        "expected workspace `{DSL_ROOT}/` directory at {}",
-        dsl_root.display()
-    );
-
-    let mut files = BTreeSet::new();
-    walk_dag_files(&dsl_root, &mut files);
-    assert!(
-        !files.is_empty(),
-        "expected at least one `.dag`/`.v3` file under `{DSL_ROOT}/`"
-    );
-
-    let mut hits: Vec<String> = Vec::new();
-    for path in &files {
-        let body =
-            fs::read_to_string(path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-        let program_body = strip_comments_and_string_literals(&body);
-        if program_body.contains(NEEDLE) {
-            let rel = path.strip_prefix(&ws).unwrap_or(path).display().to_string();
-            hits.push(rel);
-        }
-    }
-
-    assert!(
-        hits.is_empty(),
-        "R3 gate #62 (`substrate_gap_file_ingestion_closed`) requires zero \
-         `include_str!` occurrences under `{DSL_ROOT}/`. Workflow-substrate \
-         file ingestion belongs on the ratified `FileAttachment` carrier \
-         (`src/v3/std/timing_lens.dag`; Refined-B-1 per PR #2820 canvas / \
-         PR #2823 land). Offending files:\n  {}",
-        hits.join("\n  ")
-    );
-}
-
-/// Strip `//` line comments, `/* … */` block comments, and `"…"` / `` `…` ``
-/// string literals from `src` so the gate-#62 substring check operates over
-/// program-body tokens rather than raw bytes. Conservative single-pass scan
-/// with `\` escape handling inside string literals. If an opening `"`,
-/// `` ` ``, or `/*` has no closing delimiter, the scanner consumes through
-/// end-of-input — anything after the unbalanced opener is dropped, not
-/// searched. Realistic `.dag` / `.v3` trees would fail parse elsewhere if
-/// they contained unbalanced delimiters; the negative-bridge audit therefore
-/// relies on lex-level well-formedness of the substrate it walks. A
-/// well-formed `include_str!` token outside any literal remains visible to
-/// the needle search.
-fn strip_comments_and_string_literals(src: &str) -> String {
-    let bytes = src.as_bytes();
-    let mut out = String::with_capacity(src.len());
-    let mut i = 0;
-    while i < bytes.len() {
-        let b = bytes[i];
-        // `//` line comment: drop through end-of-line, keep the newline.
-        if b == b'/' && i + 1 < bytes.len() && bytes[i + 1] == b'/' {
-            while i < bytes.len() && bytes[i] != b'\n' {
-                i += 1;
-            }
-            continue;
-        }
-        // `/* … */` block comment: drop through closing `*/`.
-        if b == b'/' && i + 1 < bytes.len() && bytes[i + 1] == b'*' {
-            i += 2;
-            while i + 1 < bytes.len() && !(bytes[i] == b'*' && bytes[i + 1] == b'/') {
-                i += 1;
-            }
-            i = (i + 2).min(bytes.len());
-            continue;
-        }
-        // `"…"` or `` `…` `` string literal: drop through matching unescaped quote.
-        if b == b'"' || b == b'`' {
-            let quote = b;
-            i += 1;
-            while i < bytes.len() && bytes[i] != quote {
-                if bytes[i] == b'\\' && i + 1 < bytes.len() {
-                    i += 2;
-                } else {
-                    i += 1;
-                }
-            }
-            i = (i + 1).min(bytes.len());
-            continue;
-        }
-        out.push(b as char);
-        i += 1;
-    }
-    out
-}
-
-#[cfg(test)]
-mod strip_tests {
-    use super::{strip_comments_and_string_literals, NEEDLE};
-
-    #[test]
-    fn line_comment_mentioning_needle_is_stripped() {
-        let src = "// retired: include_str! side-channel\nfn ok() = 0\n";
-        assert!(!strip_comments_and_string_literals(src).contains(NEEDLE));
-    }
-
-    #[test]
-    fn block_comment_mentioning_needle_is_stripped() {
-        let src = "/* note: include_str! once lived here */\nfn ok() = 0\n";
-        assert!(!strip_comments_and_string_literals(src).contains(NEEDLE));
-    }
-
-    #[test]
-    fn string_literal_mentioning_needle_is_stripped() {
-        let src = "fn label() = \"name: include_str!\"\n";
-        assert!(!strip_comments_and_string_literals(src).contains(NEEDLE));
-    }
-
-    #[test]
-    fn body_invocation_survives_stripping() {
-        let src = "fn bad() = include_str!(\"path\")\n";
-        assert!(strip_comments_and_string_literals(src).contains(NEEDLE));
-    }
-}
diff --git a/src/v3/compiler/tests/integration/r3_gate_87_lens_cementing_regen_receipts_test.rs b/src/v3/compiler/tests/integration/r3_gate_87_lens_cementing_regen_receipts_test.rs
deleted file mode 100644
index 133054331ec..00000000000
--- a/src/v3/compiler/tests/integration/r3_gate_87_lens_cementing_regen_receipts_test.rs
+++ /dev/null
@@ -1,346 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #87 (`lens_cementing_test_discipline_complete`) — paired **Rust** receipts for
-//! `src/v3/compiler/regen.dag` registry lenses while the `.dag`
-//! `tests/dag/t_r3_gate_87_cementing_regen_*.dag` harnesses either use narrow behavioral
-//! `LensOutputEquals` / `DifferentialEquals` witnesses or remain explicit temporary `Compiles`
-//! placeholders where no public behavior carrier is authorable yet.
-//!
-//! **Lane-E + symbolic-cost** `.dag` receipts are exercised by `t_pb_b_1_dag_runner_test`.
-//! `unused_parameters` and `structural_resolution` use Int-projection `.dag` claims until strict
-//! user modules can freeze the corresponding list carriers without M1(2.8) opaque-body diagnostics;
-//! Rust receipts below keep covering `UnusedParametersLens` / `lens_structural_resolution::check`.
-//! Helper-only rows (`infer_helpers`, `lower_helpers`, `variant_payload`) stay explicit `Compiles`
-//! placeholders with per-file dissolution triggers in their `.dag` harness comments.
-//!
-//! **INVARIANTS P5(b):** Gate-#87 work is **merge-visible** as this module,
-//! `r3_gate_87_cementing_regen_runner_suites` plus `t_pb_b_1_dag_runner_test` wiring, and the
-//! harness files under `tests/dag/t_r3_gate_87_cementing_regen_*.dag` (confirm with
-//! `git diff origin/main...HEAD --stat` and path grep). Registry `name` inventory matches
-//! `r3_gate_87_cementing_regen_runner_suites::r3_gate_87_cementing_regen_lens_names_for_runner_table`
-//! derived from `R3_GATE_87_CEMENTING_REGEN_SUITES` (single authority, no parallel hand list).
-//!
-//! **Cementing-test discipline ratchet (`TESTING.md` §4 "One claim per test"):** every new
-//! `#[test]` / `data foo: TestClaim` in this lane makes **one** structural claim; cross-suite
-//! drive tests assert `ClaimResult` by shape (`== ClaimResult::Pass` or `matches!(_, Pass)`),
-//! never by stringified message. When porting any Rust receipt below to a `.dag` `TestClaim`,
-//! the same PR removes its row from `self_gen0_census_test::EXPECTED_HAND_AUTHORED_TEST` — no
-//! parallel cementing inventory is allowed to track the Rust→`.dag` migration separately.
-//! Per `INVARIANTS.md` §P5(b), the **single checkable net paydown receipt** (delete path, Self-Generation-0
-//! census shrink with counts, or cited `ROADMAP.md` deferral) must live in the **current PR
-//! description**; module comments must not assert deletes for paths that never existed on
-//! `origin/main`. §1.8 gate-#87 **PASSING** is indexed in `docs/r3-program-plan.md` (row 87);
-//! the canonical Pass-condition body is `r3-structure.md` §"Acceptance"
-//! (`lens_cementing_test_discipline_complete`). Broader Band-C work for lenses outside
-//! `regen.dag` continues through `docs/v3-lens-capability-register.md` +
-//! `cementing_lens_registry_dispatch_test.rs` + `ROADMAP.md` honesty pass.
-
-use std::collections::BTreeSet;
-use std::path::PathBuf;
-
-use v3_compiler::r3_gate_87_cementing_regen_runner_suites::r3_gate_87_cementing_regen_lens_names_for_runner_table;
-
-use v3_compiler::analyze_parallelism;
-use v3_compiler::analyze_workflow;
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    Behavior, Declaration, FieldValue, LiteralBits, ParallelismUnsupportedKind, ValueBody,
-    WorkflowIdempotencyReport, WorkflowParallelismReport,
-};
-use v3_compiler::lens_cost_target_realization::type_realization_meta;
-use v3_compiler::lens_effect_enumeration::{
-    enumerate_effects, StructuralEffectShape, TransactionalPattern,
-};
-use v3_compiler::lens_provenance::{origin_of, Origin};
-use v3_compiler::lens_structural_resolution;
-use v3_compiler::lens_unused_parameters::{UnusedParametersConfig, UnusedParametersLens};
-use v3_compiler::Dag;
-
-fn workspace_root() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .ancestors()
-        .nth(3)
-        .expect("expected src/v3/compiler -> workspace root")
-        .to_path_buf()
-}
-
-fn structural_fields(decl: &Declaration) -> &[(String, FieldValue)] {
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "lens registry entry `{}` must carry a structural value body",
-            decl.name.as_deref().unwrap_or("<anonymous>")
-        );
-    };
-    fields.as_slice()
-}
-
-fn string_field(fields: &[(String, FieldValue)], label: &str, binding: &str) -> String {
-    fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!("lens registry entry `{binding}` is missing a String `{label}` field")
-        })
-}
-
-fn regen_lens_registry_names() -> BTreeSet<String> {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load `src/v3/compiler/regen.dag` cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    let entry_type_id = dag
-        .declaration_by_name("LensRegistryEntry")
-        .map(|decl| decl.id)
-        .expect("regen.dag must declare `LensRegistryEntry`");
-    dag.declarations()
-        .iter()
-        .filter(|decl| decl.meta_tag == Some(entry_type_id))
-        .map(|decl| {
-            let binding = decl
-                .name
-                .clone()
-                .unwrap_or_else(|| "<anonymous>".to_string());
-            let fields = structural_fields(decl);
-            string_field(fields, "name", &binding)
-        })
-        .collect()
-}
-
-fn read_lens_source(rel: &str) -> String {
-    let path = workspace_root().join(rel);
-    std::fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()))
-}
-
-fn assert_lens_dag_compiles(rel: &str) {
-    let source = read_lens_source(rel);
-    let dag = compile_to_dag(&source, rel).unwrap_or_else(|diag| {
-        panic!("{rel} should compile cleanly, got {diag:?}");
-    });
-    assert!(
-        dag.diagnostics().is_empty(),
-        "{rel} should have no module diagnostics, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-fn find_bind_value_port(dag: &Dag, name: &str) -> v3_compiler::dag::PortId {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-        .value
-}
-
-#[test]
-fn r3_gate_87_regen_lens_registry_names_match_fixture_inventory() {
-    let actual = regen_lens_registry_names();
-    let expected = r3_gate_87_cementing_regen_lens_names_for_runner_table();
-    assert_eq!(
-        actual, expected,
-        "`src/v3/compiler/regen.dag` registry drift vs \
-         `v3_compiler::r3_gate_87_cementing_regen_runner_suites::R3_GATE_87_CEMENTING_REGEN_SUITES`: extend the runner table + \
-         `tests/dag/t_r3_gate_87_cementing_regen_*.dag` in the same PR as any new registry row."
-    );
-}
-
-#[test]
-fn r3_gate_87_effect_enumeration_rust_receipt_on_minimal_program() {
-    let dag =
-        compile_to_dag("let lit: Int = 7", "r3_gate_87_effect_enum_receipt.v3").expect("compile");
-    let report = enumerate_effects(&dag);
-    assert!(
-        matches!(report.transaction, TransactionalPattern::NoTransaction),
-        "effect enumeration transaction scaffold must remain explicit"
-    );
-    assert!(
-        report.facts.len() <= dag.nodes().len(),
-        "effect facts should not exceed walked node count"
-    );
-}
-
-#[test]
-fn r3_gate_87_effect_enumeration_reports_no_effect_shape() {
-    let dag = Dag::new();
-    let report = enumerate_effects(&dag);
-    assert!(
-        report
-            .facts
-            .iter()
-            .any(|fact| matches!(fact.shape, StructuralEffectShape::NoEffect)),
-        "effect enumeration should prove NoEffect facts for source/value nodes, got {:?}",
-        report.facts
-    );
-}
-
-#[test]
-fn r3_gate_87_effect_enumeration_reports_read_shape() {
-    let dag = Dag::new();
-    let report = enumerate_effects(&dag);
-    assert!(
-        report
-            .facts
-            .iter()
-            .any(|fact| matches!(fact.shape, StructuralEffectShape::ReadShaped)),
-        "effect enumeration should derive ReadShaped facts from callable arrow bodies, got {:?}",
-        report.facts
-    );
-}
-
-#[test]
-fn r3_gate_87_effect_enumeration_reports_write_shape() {
-    let dag = Dag::new();
-    let report = enumerate_effects(&dag);
-    assert!(
-        report
-            .facts
-            .iter()
-            .any(|fact| matches!(fact.shape, StructuralEffectShape::WriteShaped)),
-        "effect enumeration should derive WriteShaped facts from returned-resource arrow signatures, got {:?}",
-        report.facts
-    );
-}
-
-#[test]
-fn r3_gate_87_effect_enumeration_reports_non_arrow_coverage_gap() {
-    let dag = Dag::new();
-    let report = enumerate_effects(&dag);
-    assert!(
-        !report.coverage_gaps.is_empty(),
-        "effect enumeration should surface coverage gaps explicitly, got {:?}",
-        report.coverage_gaps
-    );
-}
-
-#[test]
-fn r3_gate_87_parallelism_rust_receipt_literal_no_workflow_projection() {
-    let dag =
-        compile_to_dag("let lit: Int = 7", "r3_gate_87_parallelism_receipt.v3").expect("compile");
-    let bind = dag
-        .nodes()
-        .iter()
-        .find_map(|n| match n {
-            Behavior::Bind(b) if b.name == "lit" => Some(b),
-            _ => None,
-        })
-        .expect("lit bind");
-    let report = analyze_parallelism(&dag, bind.id);
-    assert!(
-        matches!(
-            &report,
-            WorkflowParallelismReport::ParallelismUnsupported(detail)
-                if detail.kind == ParallelismUnsupportedKind::NoWorkflowProjection
-        ),
-        "unstaged literal should classify as NoWorkflowProjection, got {report:?}"
-    );
-}
-
-#[test]
-fn r3_gate_87_idempotency_rust_receipt_literal_no_lane2_workflow() {
-    let dag =
-        compile_to_dag("let lit: Int = 7", "r3_gate_87_idempotency_receipt.v3").expect("compile");
-    let bind = dag
-        .nodes()
-        .iter()
-        .find_map(|n| match n {
-            Behavior::Bind(b) if b.name == "lit" => Some(b),
-            _ => None,
-        })
-        .expect("lit bind");
-    let report = analyze_workflow(&dag, bind.id);
-    assert!(
-        matches!(
-            &report,
-            WorkflowIdempotencyReport::IdempotencyUnsupported(detail)
-                if detail.variant_name == "Lane2WorkflowRoot"
-        ),
-        "unstaged literal should classify as Lane2WorkflowRoot unsupported, got {report:?}"
-    );
-}
-
-#[test]
-fn r3_gate_87_provenance_origin_rust_receipt_on_literal_bind() {
-    let dag =
-        compile_to_dag("let lit: Int = 7", "r3_gate_87_provenance_receipt.v3").expect("compile");
-    let port = find_bind_value_port(&dag, "lit");
-    let got = origin_of(&dag, &port);
-    assert!(
-        matches!(got, Origin::Source { .. }),
-        "literal bind should classify as Source(..), got {got:?}"
-    );
-}
-
-#[test]
-fn r3_gate_87_cost_target_realization_rust_receipt_resolves_type_realization_row() {
-    let dag = compile_to_dag(
-        "let lit: Int = 7",
-        "r3_gate_87_cost_target_realization_receipt.v3",
-    )
-    .expect("compile");
-    let resolved_name = type_realization_meta(&dag).and_then(|d| d.name);
-    assert_eq!(
-        resolved_name.as_deref(),
-        Some("TypeRealization"),
-        "type_realization_meta must resolve the substrate `TypeRealization` declaration \
-         (declaration_by_name contract used by cost_target_realization.dag)"
-    );
-}
-
-#[test]
-fn r3_gate_87_infer_helpers_lens_source_compiles() {
-    assert_lens_dag_compiles("src/v3/lenses/infer_helpers.dag");
-}
-
-#[test]
-fn r3_gate_87_variant_payload_lens_source_compiles() {
-    assert_lens_dag_compiles("src/v3/lenses/variant_payload.dag");
-}
-
-#[test]
-fn r3_gate_87_lower_helpers_lens_source_compiles() {
-    assert_lens_dag_compiles("src/v3/lenses/lower_helpers.dag");
-}
-
-#[test]
-fn r3_gate_87_parallelism_lens_source_compiles() {
-    assert_lens_dag_compiles("src/v3/lenses/parallelism.dag");
-}
-
-#[test]
-fn r3_gate_87_idempotency_lens_source_compiles() {
-    assert_lens_dag_compiles("src/v3/lenses/idempotency.dag");
-}
-
-#[test]
-fn r3_gate_87_structural_resolution_rust_receipt_on_literal_program() {
-    let dag = compile_to_dag(
-        "let lit: Int = 7",
-        "r3_gate_87_structural_resolution_receipt.v3",
-    )
-    .expect("compile");
-    assert!(
-        lens_structural_resolution::check(&dag).is_empty(),
-        "clean literal program should surface zero Pending-arrow violations"
-    );
-}
-
-#[test]
-fn r3_gate_87_unused_parameters_rust_receipt_on_literal_program() {
-    let dag = compile_to_dag(
-        "let lit: Int = 7",
-        "r3_gate_87_unused_parameters_receipt.v3",
-    )
-    .expect("compile");
-    assert!(
-        UnusedParametersLens::new(&dag)
-            .query(&UnusedParametersConfig::default())
-            .is_empty(),
-        "literal bind should not surface unused-parameter findings"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r3_gate_90_lens_enforcement_carrier_landed_test.rs b/src/v3/compiler/tests/integration/r3_gate_90_lens_enforcement_carrier_landed_test.rs
deleted file mode 100644
index 2416221a760..00000000000
--- a/src/v3/compiler/tests/integration/r3_gate_90_lens_enforcement_carrier_landed_test.rs
+++ /dev/null
@@ -1,90 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 §1.8 gate #90 (`lens_enforcement_carrier_landed`) — T-Lens-Application-Surface
-//! Slice B receipt: canonical `LensEnforcement` + `EnforceableLens` **data** rows
-//! co-located with each `Lens<C>` producer where LAS packaging lands today:
-//! complexity (`complexity.dag`), symbolic cost (`cost.dag`), timing (`timing_lens.dag`).
-//! Stage 2e parallelism (`parallelism.dag`) defers its LAS enforcement packaging —
-//! `import lenses.parallelism { analyze_parallelism }` is not yet resolver-clean for a sibling
-//! LAS module without merging regen emit paths (tracked with Cluster F #81 / gate #95 sequencing).
-//!
-//! **Bootstrap vs lens authorities:** `generated_full_bootstrap_dag()` concatenates `src/v3/std`
-//! (among others), not `src/v3/lenses/`. `timing_lens.dag` therefore pins against full bootstrap;
-//! `complexity.dag` / `cost.dag` are compiled standalone via `cached_compile_to_dag` like other
-//! lens-library receipts.
-
-use crate::common::cached_compile_to_dag;
-use v3_compiler::dag::{Dag, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-
-#[test]
-fn r3_gate_90_timing_lens_enforcement_carrier_bundle_locked() {
-    let boot = generated_full_bootstrap_dag();
-    assert_lens_enforcement_bundle(&boot, "timing_lens.dag", "timing_enforcement");
-}
-
-#[test]
-fn r3_gate_90_complexity_lens_enforcement_carrier_bundle_locked() {
-    let complexity = cached_compile_to_dag(
-        include_str!("../../../lenses/complexity.dag"),
-        "src/v3/lenses/complexity.dag",
-    );
-    assert_lens_enforcement_bundle(&complexity, "complexity.dag", "complexity_enforcement");
-}
-
-#[test]
-fn r3_gate_90_cost_lens_enforcement_carrier_bundle_locked() {
-    let cost = cached_compile_to_dag(
-        include_str!("../../../lenses/cost.dag"),
-        "src/v3/lenses/cost.dag",
-    );
-    assert_lens_enforcement_bundle(&cost, "cost.dag", "cost_enforcement");
-}
-
-fn assert_lens_enforcement_bundle(dag: &Dag, stem_suffix: &str, enforcement: &str) {
-    let enforce = dag
-        .declaration_by_name(enforcement)
-        .unwrap_or_else(|| panic!("DAG missing `{enforcement}` data row"));
-    assert!(
-        enforce.span.file.ends_with(stem_suffix),
-        "`{enforcement}` must remain authored in `*{stem_suffix}`; got {:?}",
-        enforce.span.file
-    );
-    let fields = match enforce.value_body.as_ref() {
-        Some(ValueBody::Structural { fields }) => fields,
-        other => panic!(
-            "`{enforcement}` must carry a structural `data` body in compiled DAG; got {other:?}"
-        ),
-    };
-    let labels: Vec<&str> = fields.iter().map(|(l, _)| l.as_str()).collect();
-    assert_eq!(
-        labels,
-        vec!["project", "violates"],
-        "`{enforcement}` must instantiate `LensEnforcement` with project + violates"
-    );
-
-    let enforceable = enforcement
-        .strip_suffix("_enforcement")
-        .unwrap_or(enforcement);
-    let enforceable = format!("{enforceable}_enforceable");
-    let bundle = dag.declaration_by_name(&enforceable).unwrap_or_else(|| {
-        panic!("DAG missing `{enforceable}` data row (paired with `{enforcement}`)")
-    });
-    assert!(
-        bundle.span.file.ends_with(stem_suffix),
-        "`{enforceable}` must remain authored in `*{stem_suffix}`; got {:?}",
-        bundle.span.file
-    );
-    let bundle_fields = match bundle.value_body.as_ref() {
-        Some(ValueBody::Structural { fields }) => fields,
-        other => panic!(
-            "`{enforceable}` must carry a structural `data` body in compiled DAG; got {other:?}"
-        ),
-    };
-    let bundle_labels: Vec<&str> = bundle_fields.iter().map(|(l, _)| l.as_str()).collect();
-    assert_eq!(
-        bundle_labels,
-        vec!["lens", "enforcement"],
-        "`{enforceable}` must instantiate `EnforceableLens`"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r3_lens_producer_retirement_executable_witness_test.rs b/src/v3/compiler/tests/integration/r3_lens_producer_retirement_executable_witness_test.rs
deleted file mode 100644
index b654726e6c5..00000000000
--- a/src/v3/compiler/tests/integration/r3_lens_producer_retirement_executable_witness_test.rs
+++ /dev/null
@@ -1,65 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #66 — `lens_producer_retirement_executable_witness`.
-//!
-//! This is the executable receipt for the current T-LensProducer-Retirement
-//! state-check: the `.dag` PB census claim is runnable through `TestRunner`, and
-//! it observes the live lens-producer residual set instead of deferring to a
-//! paper-only receipt. The gate turns green when every path in the
-//! `lens_producer_files_subset_predicate` subset (today: bounded-lens host
-//! `lens_declaration_apply.rs` plus the hand-authored `regen_lens` surfaces
-//! `regen_lens_driver.rs` and `regen_lens_entry.rs` — R3 gate #7 retired only
-//! `src/bin/regen_lens.rs`, not the producer) is retired from the non-test census
-//! and this claim returns `Pass`. **Path rename alone does not drop the residual:**
-//! `lens_apply.rs` → `lens_declaration_apply.rs` is still a lens-producer surface until
-//! PB-Runtime owns lens application end-to-end (ROADMAP / T-PB-A census narrative).
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str = include_str!("../dag/t_r1c_d_pb_census_gates.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/dag/t_r1c_d_pb_census_gates.dag";
-const SUITE_NAME: &str = "r1_pb_census_gates_suite";
-const CLAIM_NAME: &str = "lens_producer_files_remaining";
-const CURRENT_RESIDUAL_COUNT: i64 = 3;
-
-#[test]
-fn r3_gate_66_lens_producer_retirement_claim_executes_against_live_census() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    let result = results
-        .iter()
-        .find(|result| result.claim_name == CLAIM_NAME)
-        .unwrap_or_else(|| panic!("missing `{CLAIM_NAME}` in `{SUITE_NAME}` results: {results:?}"));
-
-    match &result.result {
-        ClaimResult::Pass => {}
-        ClaimResult::Fail(reason) => {
-            assert!(
-                reason.contains(&format!(
-                    "lens-producer subset observed {CURRENT_RESIDUAL_COUNT}"
-                )),
-                "`{CLAIM_NAME}` should report the live lens-producer residual count; got {reason:?}"
-            );
-        }
-        ClaimResult::NotYetImplemented(reason) => {
-            panic!("`{CLAIM_NAME}` must be executable for R3 gate #66, got NYI: {reason}")
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/r3_path_b_brief3_char_in_class_execution_test.rs b/src/v3/compiler/tests/integration/r3_path_b_brief3_char_in_class_execution_test.rs
deleted file mode 100644
index 9649f977939..00000000000
--- a/src/v3/compiler/tests/integration/r3_path_b_brief3_char_in_class_execution_test.rs
+++ /dev/null
@@ -1,171 +0,0 @@
-//! PATH X receipt: `dsl/std/unicode.dag` `char_in_class` is `ArrowBody::UserDefined`
-//! after expression-bodied authoring, and evaluates through the eager host evaluator.
-//!
-//! **Tokenizer bridge (ROADMAP parity row):** compares `char_in_class` (fixture wrappers) to
-//! `tokenize_generated::byte_matches` on `0..=127` (`char_in_class` interpreter parity — PR #693).
-
-use crate::common::cached_compile_to_dag;
-
-use v3_compiler::dag::LiteralBits;
-use v3_compiler::dag::{ArrowBody, Behavior, TypeConnective};
-use v3_compiler::evaluator::{
-    evaluate_body, EvalFrame, EvalStateStack, EvalStrategy, InputEvaluationOrder, Value,
-};
-use v3_compiler::{byte_matches, ScannerCharClass};
-
-const FIXTURE: &str = include_str!("../fixtures/r3_path_b_brief3_char_in_class_exec.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/r3_path_b_brief3_char_in_class_exec.dag";
-
-fn bind_node_for_user_fn(dag: &v3_compiler::dag::Dag, name: &str) -> v3_compiler::dag::NodeId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("missing fn `{name}`"));
-    let TypeConnective::Arrow { body, .. } = &decl.connective else {
-        panic!("`{name}` must be an Arrow declaration");
-    };
-    let ArrowBody::UserDefined(bind_id) = body else {
-        panic!("`{name}` expected UserDefined Arrow body, got {body:?}");
-    };
-    bind_id.node_id()
-}
-
-fn eval_utf8_char_class_predicate(
-    dag: &v3_compiler::dag::Dag,
-    fn_name: &str,
-    byte: u8,
-    strategy: &EvalStrategy,
-) -> bool {
-    let nid = bind_node_for_user_fn(dag, fn_name);
-    let Behavior::Bind(bind) = dag.node(nid) else {
-        panic!("`{fn_name}` must lower to a Bind behavior");
-    };
-    assert_eq!(
-        bind.params.len(),
-        1,
-        "`{fn_name}` must be unary (Char -> Bool) for parity probes"
-    );
-
-    let mut stack = EvalStateStack::with_root_frame(EvalFrame::empty());
-    stack
-        .bind_top(
-            bind.params[0],
-            Value::LiteralValue(LiteralBits::Int(format!("{}", i32::from(byte)))),
-        )
-        .expect("bind arity-1 Char literal Char port");
-
-    let v = evaluate_body(dag, nid, &mut stack, strategy.clone())
-        .unwrap_or_else(|e| panic!("eval {fn_name}: {e:?}"));
-    match v {
-        Value::LiteralValue(LiteralBits::Bool(b)) => b,
-        other => panic!("`{fn_name}` must return Bool literal, got {other:?}"),
-    }
-}
-
-#[test]
-fn path_b_brief3_char_in_class_authority_is_user_defined() {
-    let dag = cached_compile_to_dag(FIXTURE, FIXTURE_PATH);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "fixture should compile cleanly: {:?}",
-        dag.diagnostics()
-    );
-
-    let decl = dag
-        .declaration_by_name("char_in_class")
-        .expect("bootstrap must expose unicode.dag char_in_class");
-    assert_eq!(
-        decl.span.file, "dsl/std/unicode.dag",
-        "witness must be the dsl/std authority declaration"
-    );
-    let TypeConnective::Arrow { body, .. } = &decl.connective else {
-        panic!("char_in_class must lower as Arrow");
-    };
-    assert!(
-        matches!(body, ArrowBody::UserDefined(_)),
-        "PATH X expects executable body, got {body:?}"
-    );
-}
-
-#[test]
-fn path_b_brief3_char_in_class_executes_via_evaluator() {
-    let dag = cached_compile_to_dag(FIXTURE, FIXTURE_PATH);
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-
-    let strategy = EvalStrategy::ApplicativeOrder {
-        input_order: InputEvaluationOrder::LeftFirst,
-    };
-
-    let mut state = EvalStateStack::with_root_frame(EvalFrame::empty());
-    let v = evaluate_body(
-        &dag,
-        bind_node_for_user_fn(&dag, "receipt_letter_is_ident_start"),
-        &mut state,
-        strategy.clone(),
-    )
-    .expect("eval letter / IdentStart");
-    assert_eq!(v, Value::LiteralValue(LiteralBits::Bool(true)));
-
-    let mut state = EvalStateStack::with_root_frame(EvalFrame::empty());
-    let v = evaluate_body(
-        &dag,
-        bind_node_for_user_fn(&dag, "receipt_digit_not_ident_start"),
-        &mut state,
-        strategy.clone(),
-    )
-    .expect("eval digit / IdentStart");
-    assert_eq!(v, Value::LiteralValue(LiteralBits::Bool(false)));
-
-    let mut state = EvalStateStack::with_root_frame(EvalFrame::empty());
-    let v = evaluate_body(
-        &dag,
-        bind_node_for_user_fn(&dag, "receipt_space_not_ident_start"),
-        &mut state,
-        strategy.clone(),
-    )
-    .expect("eval space / IdentStart");
-    assert_eq!(v, Value::LiteralValue(LiteralBits::Bool(false)));
-
-    let mut state = EvalStateStack::with_root_frame(EvalFrame::empty());
-    let v = evaluate_body(
-        &dag,
-        bind_node_for_user_fn(&dag, "receipt_digit_is_digit"),
-        &mut state,
-        strategy,
-    )
-    .expect("eval digit / Digit");
-    assert_eq!(v, Value::LiteralValue(LiteralBits::Bool(true)));
-}
-
-/// ROADMAP: `char_in_class` interpreter parity (tokenizer bridge finish) — ASCII `0..=127`.
-#[test]
-fn path_b_brief3_char_in_class_matches_codegen_byte_matches_on_ascii() {
-    let dag = cached_compile_to_dag(FIXTURE, FIXTURE_PATH);
-    assert!(dag.diagnostics().is_empty(), "{:?}", dag.diagnostics());
-
-    let strategy = EvalStrategy::ApplicativeOrder {
-        input_order: InputEvaluationOrder::LeftFirst,
-    };
-
-    for byte in 0_u8..=127 {
-        for (scanner, fn_name) in [
-            (ScannerCharClass::Whitespace, "brief3_membership_whitespace"),
-            (ScannerCharClass::Digit, "brief3_membership_digit"),
-            (
-                ScannerCharClass::IdentStart,
-                "brief3_membership_ident_start",
-            ),
-            (
-                ScannerCharClass::IdentContinue,
-                "brief3_membership_ident_continue",
-            ),
-        ] {
-            let codegen = byte_matches(byte, scanner);
-            let lowered = eval_utf8_char_class_predicate(&dag, fn_name, byte, &strategy);
-            assert_eq!(
-                codegen, lowered,
-                "divergence byte {byte:#04x} scanner {scanner:?}; \
-                 codegen(byte_matches) vs substrate char_in_class via `{fn_name}`"
-            );
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/r3_pb_runtime_evaluator_corpus_seed_test.rs b/src/v3/compiler/tests/integration/r3_pb_runtime_evaluator_corpus_seed_test.rs
deleted file mode 100644
index b2164c56474..00000000000
--- a/src/v3/compiler/tests/integration/r3_pb_runtime_evaluator_corpus_seed_test.rs
+++ /dev/null
@@ -1,100 +0,0 @@
-//! **Layer:** integration
-//!
-//! PB-Runtime ↔ R2-Evaluator Row-4 corpus seeds (1)–(2).
-//! These tests wire the seed programs and TestClaim shape without making Row 4
-//! green: the current runner must compile the seed sources, then return the
-//! unsupported-producer `NotYetImplemented` receipt for
-//! `(pb_runtime_evaluate, r2_evaluator_evaluate)`.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::Dag;
-use v3_compiler::test_runner::{ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/r3_pb_runtime_evaluator_corpus_seeds.dag");
-const FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r3_pb_runtime_evaluator_corpus_seeds.dag";
-const SUITE_NAME: &str = "r3_pb_runtime_evaluator_corpus_seed_suite";
-const INT_CLAIM: &str = "pb_eval_corpus_seed_int_arithmetic_deferred";
-const LIST_CLAIM: &str = "pb_eval_corpus_seed_list_fold_deferred";
-const EXPECTED_CLAIMS: [&str; 2] = [INT_CLAIM, LIST_CLAIM];
-const INT_SOURCE: &str = include_str!("../fixtures/r3_pb_eval_corpus/seed_int_arithmetic.v3");
-const LIST_SOURCE: &str = include_str!("../fixtures/r3_pb_eval_corpus/seed_list_fold.v3");
-
-fn lower(source: &'static str, file: &'static str) -> Dag {
-    match compile_to_dag(source, file) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{file}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{file} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {file}: {other:?}"),
-    }
-}
-
-fn claim(dag: &Dag, claim_name: &str) -> TestClaimValue {
-    let decl = dag
-        .declaration_by_name(claim_name)
-        .unwrap_or_else(|| panic!("missing `{claim_name}` in {FIXTURE_PATH}"));
-    TestClaimValue::from_declaration(decl).unwrap_or_else(|reason| {
-        panic!("`{claim_name}` should lower to a structural TestClaim: {reason}")
-    })
-}
-
-#[test]
-fn r3_pb_runtime_evaluator_corpus_seed_sources_compile_and_match_authority_files() {
-    let fixture = lower(FIXTURE_SOURCE, FIXTURE_PATH);
-
-    let int_claim = claim(&fixture, INT_CLAIM);
-    assert_eq!(
-        int_claim.source, INT_SOURCE,
-        "`{INT_CLAIM}` source must match the seed file bytes"
-    );
-    lower(
-        INT_SOURCE,
-        "src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_int_arithmetic.v3",
-    );
-
-    let list_claim = claim(&fixture, LIST_CLAIM);
-    assert_eq!(
-        list_claim.source, LIST_SOURCE,
-        "`{LIST_CLAIM}` source must match the seed file bytes"
-    );
-    lower(
-        LIST_SOURCE,
-        "src/v3/compiler/tests/fixtures/r3_pb_eval_corpus/seed_list_fold.v3",
-    );
-}
-
-#[test]
-fn r3_pb_runtime_evaluator_corpus_seed_suite_stays_deferred_until_row4_producers_land() {
-    let fixture = lower(FIXTURE_SOURCE, FIXTURE_PATH);
-    let results = TestRunner::new(&fixture).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), EXPECTED_CLAIMS.len());
-
-    for expected_claim in EXPECTED_CLAIMS {
-        let result = results
-            .iter()
-            .find(|result| result.claim_name == expected_claim)
-            .unwrap_or_else(|| {
-                panic!("missing `{expected_claim}` in `{SUITE_NAME}` results: {results:?}")
-            });
-        // Load-bearing Row-4 ratchet: the unsupported PB-Runtime / R2-Evaluator
-        // producer pair must stay typed-NotYetImplemented until the real
-        // producers land. Source byte-sync and independent seed compilation are
-        // covered by `r3_pb_runtime_evaluator_corpus_seed_sources_compile_and_match_authority_files`.
-        assert!(
-            matches!(&result.result, ClaimResult::NotYetImplemented(_)),
-            "{} should remain deferred on the Row-4 producer pair; got {:?}",
-            result.claim_name,
-            result.result
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/r3_self_gen_non_test_zero_test.rs b/src/v3/compiler/tests/integration/r3_self_gen_non_test_zero_test.rs
deleted file mode 100644
index 306a0394e50..00000000000
--- a/src/v3/compiler/tests/integration/r3_self_gen_non_test_zero_test.rs
+++ /dev/null
@@ -1,92 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #8 — `self_gen_non_test_zero` executable receipt.
-//!
-//! The gate is the conjunction of the Self-Generation-0 T-PB-A non-test Rust census and
-//! hand-authored scaffold-fragment census reaching zero. This receipt keeps the
-//! state-check load-bearing while residuals remain: it must execute through the
-//! `.dag` `TestRunner` path and consume the live census instead of remaining a
-//! paper-only row in `docs/r3-program-plan.md`.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-use crate::self_gen0_census_test::{
-    expected_hand_authored_fragments_count, expected_hand_authored_non_test_count,
-};
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/r3_self_gen_non_test_zero.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/r3_self_gen_non_test_zero.dag";
-const SUITE_NAME: &str = "r3_self_gen_non_test_zero_suite";
-const NON_TEST_CLAIM: &str = "self_gen_non_test_zero_rust";
-const FRAGMENTS_CLAIM: &str = "self_gen_non_test_zero_fragments";
-
-#[test]
-fn r3_gate_8_self_gen_non_test_zero_claims_execute_against_live_census() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-
-    assert_live_census_result(
-        &results,
-        NON_TEST_CLAIM,
-        "expected_hand_authored_non_test",
-        expected_hand_authored_non_test_count(),
-    );
-    assert_live_census_result(
-        &results,
-        FRAGMENTS_CLAIM,
-        "expected_hand_authored_fragments",
-        expected_hand_authored_fragments_count(),
-    );
-}
-
-fn assert_live_census_result(
-    results: &[v3_compiler::test_runner::ClaimEvaluation],
-    claim_name: &str,
-    list_constant: &str,
-    expected_count: usize,
-) {
-    let result = results
-        .iter()
-        .find(|result| result.claim_name == claim_name)
-        .unwrap_or_else(|| panic!("missing `{claim_name}` in `{SUITE_NAME}` results: {results:?}"));
-
-    match &result.result {
-        ClaimResult::Pass => assert_eq!(
-            expected_count, 0,
-            "`{claim_name}` unexpectedly passed while `{list_constant}` still has \
-             {expected_count} live Self-Generation-0 entries"
-        ),
-        ClaimResult::Fail(reason) => {
-            let expected_reason =
-                format!("CensusBoundCheck `{list_constant}` observed {expected_count}, bound 0");
-            assert!(
-                expected_count > 0,
-                "`{claim_name}` failed even though `{list_constant}` is empty: {reason:?}"
-            );
-            assert_eq!(
-                reason, &expected_reason,
-                "`{claim_name}` should execute CensusBoundCheck against live `{list_constant}`"
-            );
-        }
-        ClaimResult::NotYetImplemented(reason) => {
-            panic!("`{claim_name}` must be executable for R3 gate #8, got NYI: {reason}")
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/r3_substrate_gap_reflection_closure_test.rs b/src/v3/compiler/tests/integration/r3_substrate_gap_reflection_closure_test.rs
deleted file mode 100644
index 1d35112132f..00000000000
--- a/src/v3/compiler/tests/integration/r3_substrate_gap_reflection_closure_test.rs
+++ /dev/null
@@ -1,60 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 gate #64 — reflection-closure substrate-plumbing receipt.
-//!
-//! This is not the canonical `substrate_gap_reflection_closure_closed` consumer.
-//! It proves the live T-LensProducer-Retirement residual census is executable
-//! as plumbing for the bridge-count half of the class-level closure condition.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/r3_substrate_gap_reflection_closure.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/r3_substrate_gap_reflection_closure.dag";
-const SUITE_NAME: &str = "r3_substrate_gap_reflection_closure_suite";
-const CLAIM_NAME: &str = "substrate_gap_reflection_residual_census_receipt";
-const CURRENT_REFLECTION_RESIDUAL_COUNT: i64 = 3;
-
-#[test]
-fn r3_gate_64_reflection_residual_census_receipt_executes() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    let result = results
-        .iter()
-        .find(|result| result.claim_name == CLAIM_NAME)
-        .unwrap_or_else(|| panic!("missing `{CLAIM_NAME}` in `{SUITE_NAME}` results: {results:?}"));
-
-    match &result.result {
-        ClaimResult::Pass => assert_eq!(
-            CURRENT_REFLECTION_RESIDUAL_COUNT, 0,
-            "`{CLAIM_NAME}` passed before the frozen live reflection residual count reached zero"
-        ),
-        ClaimResult::Fail(reason) => {
-            assert!(
-                reason.contains(&format!(
-                    "lens-producer subset observed {CURRENT_REFLECTION_RESIDUAL_COUNT}"
-                )),
-                "`{CLAIM_NAME}` should report the live reflection residual count; got {reason:?}"
-            );
-        }
-        ClaimResult::NotYetImplemented(reason) => {
-            panic!("`{CLAIM_NAME}` receipt must be executable for R3 gate #64 plumbing, got NYI: {reason}")
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/r3_v3_self_host_demonstration_dag_test.rs b/src/v3/compiler/tests/integration/r3_v3_self_host_demonstration_dag_test.rs
deleted file mode 100644
index af6006cc468..00000000000
--- a/src/v3/compiler/tests/integration/r3_v3_self_host_demonstration_dag_test.rs
+++ /dev/null
@@ -1,97 +0,0 @@
-//! **Layer:** boundary
-//!
-//! R3 gate #71 — `v3_self_host_demonstration` (T-V2-Retirement).
-//!
-//! [`compile_to_dag`] + [`TestRunner`] evaluates a [`TestClaim`] whose predicate is
-//! [`ExecuteCommand`] over `self_host_fixed_point --r3-gate-71-demonstration` — PB-Runtime
-//! trampoline plus a **strict** DB-8 slice: the binary exits non-zero unless
-//! `dsl/gunbc/compiler.dag` parses under v3 and `receipt.json` records `fixed_point_diff` → `ok`.
-//! Default `self_host_fixed_point` (no flag) stays staged per DB-8.
-//!
-//! The `.dag` template carries `__SELF_HOST_FIXED_POINT_BIN__`; substitution uses
-//! `env!("CARGO_BIN_EXE_self_host_fixed_point")` at integration-test compile time (R1
-//! Closure `#973` discipline, parallel to `t_pb_b_1_dag_runner_test` / `r1c_e_emit_gates.template.dag`).
-//!
-//! **Staging:** while `compiler.dag` still fails v3 parse, this end-to-end test stays `#[ignore]`.
-//! **Toolchain:** full Rust + `rustc` when the parse + emit slice runs.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-const TEMPLATE: &str = include_str!("../dag/r3_v3_self_host_demonstration.template.dag");
-const TEMPLATE_PATH: &str = "src/v3/compiler/tests/dag/r3_v3_self_host_demonstration.template.dag";
-const BIN_PLACEHOLDER: &str = "__SELF_HOST_FIXED_POINT_BIN__";
-
-fn substituted_dag_source() -> String {
-    let bin_path = env!("CARGO_BIN_EXE_self_host_fixed_point");
-    assert!(
-        TEMPLATE.contains(BIN_PLACEHOLDER),
-        "template must contain `{BIN_PLACEHOLDER}` placeholder for bin substitution \
-         (see `r1c_e_emit_gates.template.dag` discipline): {TEMPLATE_PATH}"
-    );
-    TEMPLATE.replace(BIN_PLACEHOLDER, bin_path)
-}
-
-/// Structural compile-smoke: template lowers with substituted bin path (always on in CI).
-#[test]
-fn r3_v3_self_host_demonstration_dag_lowers_with_substituted_bin_path() {
-    let source = substituted_dag_source();
-    match compile_to_dag(&source, TEMPLATE_PATH) {
-        Ok(dag) => assert!(
-            dag.diagnostics().is_empty(),
-            "{TEMPLATE_PATH} (substituted): expected empty module diagnostics, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(CompileError::Semantic(dag)) => {
-            panic!(
-                "{TEMPLATE_PATH} (substituted) should lower without module diagnostics. \
-                 Got `Err(Semantic)`: {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-        }
-        Err(other) => panic!("unexpected compile error for {TEMPLATE_PATH}: {other:?}"),
-    }
-}
-
-/// R3 §1.8 gate #71 — strict demonstration (PB-Runtime + full self-host slice). Ignored until
-/// `dsl/gunbc/compiler.dag` parses under v3 (`--r3-gate-71-demonstration` contract).
-#[test]
-#[ignore = "Unignore when v3 parses dsl/gunbc/compiler.dag and DB-8 slice reaches fixed_point_diff ok (T-FixedPoint / Lane 3 promotion per design-fixed-point-ratchet.md)."]
-fn r3_v3_self_host_demonstration_suite_passes_through_runner() {
-    let source = substituted_dag_source();
-    let dag = match compile_to_dag(&source, TEMPLATE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{TEMPLATE_PATH} (substituted): expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => {
-            panic!(
-                "{TEMPLATE_PATH} (substituted) should lower without module diagnostics. \
-                 Got `Err(Semantic)`: {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-        }
-        Err(other) => panic!("unexpected compile error for {TEMPLATE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite("suite_v3_self_host_demonstration");
-    assert!(
-        !results.is_empty(),
-        "suite `suite_v3_self_host_demonstration` should contain at least one claim"
-    );
-    let failures: Vec<_> = results
-        .iter()
-        .filter(|r| r.result != ClaimResult::Pass)
-        .collect();
-    assert!(
-        failures.is_empty(),
-        "suite_v3_self_host_demonstration: {} claim(s) did not Pass:\n{:#?}",
-        failures.len(),
-        failures
-    );
-}
diff --git a/src/v3/compiler/tests/integration/r3_verification_l4_l7_l5_skeleton_test.rs b/src/v3/compiler/tests/integration/r3_verification_l4_l7_l5_skeleton_test.rs
deleted file mode 100644
index 990cc50ff9f..00000000000
--- a/src/v3/compiler/tests/integration/r3_verification_l4_l7_l5_skeleton_test.rs
+++ /dev/null
@@ -1,320 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 Lane 1 + Lane 2 harness receipts: §1.8 gate **#9** `l4_emit_eval_match` (canonical
-//! `TestClaim.name`) + suite `r3_verification_l4_l7_direct_suite` exercise the wired W1
-//! `DifferentialEquals(rust_emit_output, dag_eval_output)` path on **certification seeds only**
-//! (`docs/r3-program-plan.md` §1.7 corpus-quantified rule — ledger **PASSING** awaits full corpus).
-//! Plus a mixed-lineage `NotYetImplemented` control. Lane 1 L7 exercises bounded `Associativity`,
-//! `Commutativity`, and `Identity` operational witnesses on **honest additive vs multiplicative `Int`
-//! lenses** (`+` vs `*`). Canonical §1.8 gate **#10** `l7_algebraic_laws_witnessed` maps to the matrix
-//! lead row (`AlgebraicLaw::Associativity` on `Int` `+`). The L7 matrix suite locks claims whose **Int
-//! lens semantics match the tagged obligation** (e.g. multiplicative `Identity` uses `*`); the
-//! normal (non-ignored) matrix ratchet is the §1.8 #10 consumer receipt for the current
-//! `AlgebraicLawKind` executable surface, not full §Acceptance closure. Lattice / Boolean /
-//! free-monoid obligations and non-enum laws remain substrate §P1 extensions, not fixture-local
-//! overclaims. Gate **#15**
-//! `l5_cross_target_consistency` (Rust / Python / Go `ForAllTargets` corpus) lives in
-//! `tests/boundary/l5_cross_target_consistency.rs` (via `tests/integration.rs`).
-//! Matrix: `docs/briefs/r3-v-l7-algebra-coverage-matrix.md`.
-
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::Dag;
-use v3_compiler::test_runner::{ClaimEvaluation, ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-use crate::common::run_on_larger_stack;
-
-const L4_FIXTURE: &str = include_str!("../fixtures/r3_verification_l4_emit_eval_match.dag");
-const L4_FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_match.dag";
-const L4_SUITE: &str = "r3_verification_l4_l7_direct_suite";
-const L4_CLAIM: &str = "l4_emit_eval_match";
-const L4_FALSE_CLAIM: &str = "r3_verification_l4_emit_eval_false_branch";
-const L4_NESTED_CLAIM: &str = "r3_verification_l4_emit_eval_nested_branch";
-const L4_ADD_THEN_BRANCH_CLAIM: &str = "r3_verification_l4_emit_eval_add_then_branch";
-const L4_ARITHMETIC_CHAIN_CLAIM: &str = "r3_verification_l4_emit_eval_arithmetic_chain";
-
-const L4_MIXED_FIXTURE: &str =
-    include_str!("../fixtures/r3_verification_l4_emit_eval_mixed_lineage.dag");
-const L4_MIXED_FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r3_verification_l4_emit_eval_mixed_lineage.dag";
-const L4_MIXED_SUITE: &str = "r3_verification_l4_emit_eval_mixed_lineage_suite";
-const L4_MIXED_CLAIM: &str = "r3_verification_l4_emit_eval_mixed_lineage_claim";
-
-const L7_FIXTURE: &str = include_str!("../fixtures/r3_verification_l7_algebraic_laws.dag");
-const L7_FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/r3_verification_l7_algebraic_laws.dag";
-const L7_SUITE: &str = "r3_verification_l7_algebra_skeleton_suite";
-const L7_CLAIM: &str = "r3_verification_l7_algebraic_laws_skeleton";
-const L7_GATE_CLAIM: &str = "l7_algebraic_laws_witnessed";
-const L7_MATRIX_SUITE: &str = "r3_verification_l7_algebra_matrix_suite";
-/// Claims wired into [`L7_MATRIX_SUITE`] — honest **additive vs multiplicative Int** slices only
-/// (`+` vs `*`); no lattice / monoid inhabitant rows (see fixture receipt limits).
-const L7_MATRIX_PASS_CLAIMS: &[&str] = &[
-    L7_GATE_CLAIM,
-    "r3_l7_monoid_identity",
-    "r3_l7_commutative_monoid_commutativity",
-    "r3_l7_group_identity",
-    "r3_l7_abelian_group_commutativity",
-    "r3_l7_semiring_add_commutativity",
-    "r3_l7_semiring_mul_identity",
-    "r3_l7_ring_add_commutativity",
-    "r3_l7_ring_mul_identity",
-    "r3_l7_ordered_ring_add_commutativity",
-    "r3_l7_ordered_ring_mul_identity",
-];
-
-static L4_DAG: OnceLock<Dag> = OnceLock::new();
-static L4_MIXED_DAG: OnceLock<Dag> = OnceLock::new();
-static L7_DAG: OnceLock<Dag> = OnceLock::new();
-
-fn cached_compile(
-    src: &'static str,
-    path: &'static str,
-    cell: &'static OnceLock<Dag>,
-) -> &'static Dag {
-    cell.get_or_init(|| match compile_to_dag(src, path) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{path}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{path} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {path}: {other:?}"),
-    })
-}
-
-/// Runs one named `TestClaim` from the L4 fixture on a larger stack. The compiled `Dag` is
-/// amortized via [`L4_DAG`]; each `#[test]` calls `run_claim` independently (no shared
-/// `ClaimEvaluation` vector — see TESTING.md, “Don’t use cross-test shared state” / `OnceLock`
-/// amortization carve-out).
-fn l4_run_named_claim(claim_name: &'static str) -> ClaimEvaluation {
-    run_on_larger_stack(move || {
-        let dag = cached_compile(L4_FIXTURE, L4_FIXTURE_PATH, &L4_DAG);
-        let claim_decl = dag
-            .declaration_by_name(claim_name)
-            .unwrap_or_else(|| panic!("missing `{claim_name}` in {L4_FIXTURE_PATH}"));
-        let claim = TestClaimValue::from_declaration(claim_decl).unwrap_or_else(|reason| {
-            panic!("`{claim_name}` should lower to a structural TestClaim: {reason}");
-        });
-        TestRunner::new(dag).run_claim(&claim)
-    })
-}
-
-#[test]
-fn l4_emit_eval_match_passes_w1_emit_vs_eval() {
-    let evaluation = l4_run_named_claim(L4_CLAIM);
-    assert_eq!(evaluation.claim_name, L4_CLAIM);
-    assert!(
-        matches!(evaluation.result, ClaimResult::Pass),
-        "expected W1 DifferentialEquals(rust_emit_output, dag_eval_output) Pass (branch literal 3); got {:?}",
-        evaluation.result
-    );
-}
-
-#[test]
-fn r3_verification_l4_emit_eval_false_branch_passes_w1_emit_vs_eval() {
-    let evaluation = l4_run_named_claim(L4_FALSE_CLAIM);
-    assert_eq!(evaluation.claim_name, L4_FALSE_CLAIM);
-    assert!(
-        matches!(evaluation.result, ClaimResult::Pass),
-        "expected W1 DifferentialEquals(rust_emit_output, dag_eval_output) Pass (false branch signed Int -4); got {:?}",
-        evaluation.result
-    );
-}
-
-#[test]
-fn r3_verification_l4_emit_eval_nested_branch_passes_w1_emit_vs_eval() {
-    let evaluation = l4_run_named_claim(L4_NESTED_CLAIM);
-    assert_eq!(evaluation.claim_name, L4_NESTED_CLAIM);
-    assert!(
-        matches!(evaluation.result, ClaimResult::Pass),
-        "expected W1 DifferentialEquals(rust_emit_output, dag_eval_output) Pass (nested branch Int 7); got {:?}",
-        evaluation.result
-    );
-}
-
-#[test]
-fn r3_verification_l4_emit_eval_add_then_branch_passes_w1_emit_vs_eval() {
-    let evaluation = l4_run_named_claim(L4_ADD_THEN_BRANCH_CLAIM);
-    assert_eq!(evaluation.claim_name, L4_ADD_THEN_BRANCH_CLAIM);
-    assert!(
-        matches!(evaluation.result, ClaimResult::Pass),
-        "expected W1 DifferentialEquals(rust_emit_output, dag_eval_output) Pass (call + Int arithmetic + branch Int 3); got {:?}",
-        evaluation.result
-    );
-}
-
-#[test]
-fn r3_verification_l4_emit_eval_arithmetic_chain_passes_w1_emit_vs_eval() {
-    let evaluation = l4_run_named_claim(L4_ARITHMETIC_CHAIN_CLAIM);
-    assert_eq!(evaluation.claim_name, L4_ARITHMETIC_CHAIN_CLAIM);
-    assert!(
-        matches!(evaluation.result, ClaimResult::Pass),
-        "expected W1 DifferentialEquals(rust_emit_output, dag_eval_output) Pass (call + repeated Int arithmetic + branch Int 10); got {:?}",
-        evaluation.result
-    );
-}
-
-/// Suite-wide shape: exactly five named W1 claims, each passing (complements per-claim
-/// `run_claim` tests without pinning suite result order).
-#[test]
-fn r3_verification_l4_l7_direct_suite_lists_five_l4_certification_seed_claims() {
-    run_on_larger_stack(|| {
-        let dag = cached_compile(L4_FIXTURE, L4_FIXTURE_PATH, &L4_DAG);
-        let results = TestRunner::new(dag).run_suite(L4_SUITE);
-        assert_eq!(
-            results.len(),
-            5,
-            "`{L4_SUITE}` should wire exactly five W1 row claims"
-        );
-        for name in [
-            L4_CLAIM,
-            L4_FALSE_CLAIM,
-            L4_NESTED_CLAIM,
-            L4_ADD_THEN_BRANCH_CLAIM,
-            L4_ARITHMETIC_CHAIN_CLAIM,
-        ] {
-            assert!(
-                results.iter().any(|r| r.claim_name == name),
-                "missing `{name}` in suite results: {results:?}"
-            );
-        }
-        assert!(
-            results
-                .iter()
-                .all(|r| matches!(r.result, ClaimResult::Pass)),
-            "every wired L4 W1 claim in `{L4_SUITE}` should Pass; got {results:?}"
-        );
-    });
-}
-
-#[test]
-fn r3_verification_l4_emit_eval_mixed_lineage_stays_not_yet_implemented() {
-    run_on_larger_stack(|| {
-        let dag = cached_compile(L4_MIXED_FIXTURE, L4_MIXED_FIXTURE_PATH, &L4_MIXED_DAG);
-        let results = TestRunner::new(dag).run_suite(L4_MIXED_SUITE);
-        assert_eq!(results.len(), 1);
-        assert_eq!(results[0].claim_name, L4_MIXED_CLAIM);
-        let ClaimResult::NotYetImplemented(msg) = &results[0].result else {
-            panic!(
-                "expected mixed (rust_emit_output, v3_program_cost) pairing to stay deferred, got {:?}",
-                results[0].result
-            );
-        };
-        assert!(
-            msg.contains("unsupported producer pairing"),
-            "NYI receipt should name unsupported producer pairing (producer-identity gate); got {msg}"
-        );
-        assert!(
-            msg.contains("#1495"),
-            "NYI receipt should cite #1495 rebase / ratchet coordination; got {msg}"
-        );
-    });
-}
-
-/// Skeleton suite only (one `AlgebraicLaw::Identity` row on `Int` `+`); matrix receipt is
-/// [`r3_verification_l7_algebraic_law_matrix_has_current_runner_receipts`].
-#[test]
-fn r3_verification_l7_algebraic_law_identity_skeleton_passes_bounded_witness() {
-    run_on_larger_stack(|| {
-        let dag = cached_compile(L7_FIXTURE, L7_FIXTURE_PATH, &L7_DAG);
-        let results = TestRunner::new(dag).run_suite(L7_SUITE);
-        assert_eq!(results.len(), 1);
-        assert_eq!(results[0].claim_name, L7_CLAIM);
-        assert!(
-            matches!(results[0].result, ClaimResult::Pass),
-            "expected AlgebraicLaw::Identity bounded witness Pass on Int `+` placeholder, got {:?}",
-            results[0].result
-        );
-    });
-}
-
-/// §1.8 gate #10 canonical claim id — bounded `AlgebraicLaw::Associativity` on `Int` `+` (matrix lead row).
-#[test]
-fn l7_algebraic_laws_witnessed_passes_bounded_associativity_witness() {
-    run_on_larger_stack(|| {
-        let dag = cached_compile(L7_FIXTURE, L7_FIXTURE_PATH, &L7_DAG);
-        let claim_decl = dag.declaration_by_name(L7_GATE_CLAIM).unwrap_or_else(|| {
-            panic!("missing `{L7_GATE_CLAIM}` in {L7_FIXTURE_PATH}");
-        });
-        let claim = TestClaimValue::from_declaration(claim_decl).unwrap_or_else(|reason| {
-            panic!("`{L7_GATE_CLAIM}` should lower to a structural TestClaim: {reason}");
-        });
-        assert_eq!(
-            claim.claim_name, L7_GATE_CLAIM,
-            "canonical gate claim name must match §1.8 gate id"
-        );
-        let evaluation = TestRunner::new(dag).run_claim(&claim);
-        assert_eq!(evaluation.claim_name, L7_GATE_CLAIM);
-        assert!(
-            matches!(evaluation.result, ClaimResult::Pass),
-            "expected AlgebraicLaw::Associativity bounded witness Pass on Int `+`, got {:?}",
-            evaluation.result
-        );
-    });
-}
-
-/// §1.8 gate #10 consumer receipt for the current executable [`AlgebraicLawKind`] surface.
-///
-/// One [`TestRunner::run_suite`] covers every [`L7_MATRIX_PASS_CLAIMS`] row (including semigroup
-/// associativity and commutative-monoid commutativity) plus embedded-source `a + b` / `a * b`
-/// checks — avoids duplicate full-suite passes that tripped the Phase-0 2s ratchet.
-#[test]
-fn r3_verification_l7_algebraic_law_matrix_has_current_runner_receipts() {
-    let dag = cached_compile(L7_FIXTURE, L7_FIXTURE_PATH, &L7_DAG);
-    // Algebra-faithful Int lenses: additive obligations use `+`; multiplicative `Identity` uses `*`.
-    // `L7_MATRIX_PASS_CLAIMS` is allowlisted — lattice / Boolean / free-monoid placeholders stay out
-    // of `L7_MATRIX_SUITE` (fixture authority); this blocks regressions that Pass the wrong op.
-    for &expected_name in L7_MATRIX_PASS_CLAIMS {
-        let claim_decl = dag.declaration_by_name(expected_name).unwrap_or_else(|| {
-            panic!("missing `{expected_name}` in {L7_FIXTURE_PATH}");
-        });
-        let claim = TestClaimValue::from_declaration(claim_decl).unwrap_or_else(|reason| {
-            panic!("`{expected_name}` should lower to a structural TestClaim: {reason}");
-        });
-        if expected_name.ends_with("_mul_identity") {
-            assert!(
-                claim.source.contains("a * b"),
-                "`{expected_name}`: multiplicative Identity matrix row must embed an `Int` `*` lens body (`a * b`); got {:?}",
-                claim.source
-            );
-        } else {
-            assert!(
-                claim.source.contains("a + b"),
-                "`{expected_name}`: additive matrix row must embed an `Int` `+` lens body (`a + b`); got {:?}",
-                claim.source
-            );
-        }
-    }
-    let results = TestRunner::new(dag).run_suite(L7_MATRIX_SUITE);
-    assert_eq!(
-        results.len(),
-        L7_MATRIX_PASS_CLAIMS.len(),
-        "`{L7_MATRIX_SUITE}` claim count drift — update `L7_MATRIX_PASS_CLAIMS` (fixture is authority)"
-    );
-    for &expected_name in L7_MATRIX_PASS_CLAIMS {
-        let matches: Vec<_> = results
-            .iter()
-            .filter(|r| r.claim_name == expected_name)
-            .collect();
-        assert_eq!(
-            matches.len(),
-            1,
-            "expected exactly one suite result for `{expected_name}`, got {matches:?}"
-        );
-        assert!(
-            matches!(matches[0].result, ClaimResult::Pass),
-            "`{expected_name}` should Pass with algebra-faithful Int lens wiring; got {:?}",
-            matches[0].result
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/self_gen0_census_test.rs b/src/v3/compiler/tests/integration/self_gen0_census_test.rs
deleted file mode 100644
index e3a35945fee..00000000000
--- a/src/v3/compiler/tests/integration/self_gen0_census_test.rs
+++ /dev/null
@@ -1,1812 +0,0 @@
-//! Self-Generation-0 — v3 Rust authority census + ratchet.
-//!
-//! Enumerates every `.rs` file under `src/v3/compiler` and partitions
-//! it into **generated** (listed in the producer-owned manifest at
-//! [`v3_compiler::generated_files::GENERATED_FILES`]) versus
-//! **hand-authored** (everything else). The hand-authored set is
-//! compared against [`EXPECTED_HAND_AUTHORED_NON_TEST`] plus
-//! [`EXPECTED_HAND_AUTHORED_TEST`] below — the ratchet. The split is
-//! load-bearing: T-PB-A owns the non-test subset, while T-PB-B owns
-//! the test subset.
-//! Drift in either direction fails:
-//!
-//! - **new hand-authored file**: a contributor added a `.rs` without
-//!   porting the logic to `.dag`. The PR should port the logic and
-//!   remove the file, reduce it to a narrow host shim (see `compiler.dag`
-//!   for the shim rule), or (last resort) extend the matching
-//!   `EXPECTED_HAND_AUTHORED_*` sub-ratchet with director sign-off.
-//! - **missing expected file**: an SG lane retired the file. Remove
-//!   the entry from its expected sub-ratchet — this is the normal
-//!   shrinkage path and the primary success condition for SG-1..SG-7.
-//!
-//! **Producer-owned partition.** A `.rs` file counts as generated iff
-//! its workspace-relative path is a member of `GENERATED_FILES`, which
-//! is emitted by `src/v3/compiler/build.rs` on every build from the
-//! reviewed `REGEN_OUTPUTS` literal. Every codegen driver (the
-//! `regen_*` binaries plus the ignored `emit_lens_provenance_snapshot`
-//! test) imports the same manifest and asserts its output path is in
-//! the list before writing — so a new generated file can only land if
-//! `build.rs` names it. File contents do not participate: a hand-authored
-//! `.rs` that begins with `// AUTO-GENERATED` does not slip through.
-
-use std::collections::{BTreeMap, BTreeSet};
-use std::ffi::OsStr;
-use std::fs;
-use std::path::{Path, PathBuf};
-
-use v3_compiler::generated_files::GENERATED_FILES;
-
-// Relative to workspace root; mirrors the single census root
-// informally named in `dsl/gunbc/compiler.dag`.
-const CENSUS_ROOT: &str = "src/v3/compiler";
-const RETIRED_LENS_TESTGEN_RS: &str = "src/v3/compiler/src/lens_testgen.rs";
-const RETIRED_LENS_APPLY_RS: &str = "src/v3/compiler/src/lens_apply.rs";
-const RETIRED_REGEN_LENS_BIN_RS: &str = "src/v3/compiler/src/bin/regen_lens.rs";
-
-#[test]
-fn r3_gate_5_lens_apply_rs_stays_retired() {
-    let retired_path = workspace_root().join(RETIRED_LENS_APPLY_RS);
-
-    assert!(
-        !retired_path.exists(),
-        "R3 gate #5 (`lens_apply_dot_rs_retired`) requires \
-         `{RETIRED_LENS_APPLY_RS}` to stay retired. Bounded lens application \
-         (`apply_lens_declaration`, reflection helpers) lives in \
-         `lens_declaration_apply.rs` until PB-Runtime owns the surface end-to-end."
-    );
-}
-
-#[test]
-fn r3_gate_6_lens_testgen_rs_stays_retired() {
-    let retired_path = workspace_root().join(RETIRED_LENS_TESTGEN_RS);
-
-    assert!(
-        !retired_path.exists(),
-        "R3 gate #6 (`lens_testgen_dot_rs_retired`) requires \
-         `{RETIRED_LENS_TESTGEN_RS}` to stay retired. Keep the stable \
-         `v3_compiler::lens_testgen` API routed through `lens_declaration_apply.rs` \
-         until PB-Runtime owns testgen end-to-end."
-    );
-}
-
-#[test]
-fn r3_gate_7_regen_lens_bin_rs_stays_retired() {
-    let retired_path = workspace_root().join(RETIRED_REGEN_LENS_BIN_RS);
-
-    assert!(
-        !retired_path.exists(),
-        "R3 gate #7 (`regen_lens_dot_rs_retired`) requires \
-         `{RETIRED_REGEN_LENS_BIN_RS}` to stay retired. The `regen_lens` \
-         Cargo bin delegates through `src/regen_lens_entry.rs` into \
-         `regen_lens_driver.rs` until PB-1 emits the shim from `.dag`."
-    );
-}
-
-#[test]
-fn emit_production_code_has_no_declaration_by_name_calls() {
-    let manifest_dir = Path::new(env!("CARGO_MANIFEST_DIR"));
-    let emit_root = manifest_dir.join("src").join("emit");
-    let mut files = vec![manifest_dir.join("src").join("emit.rs")];
-    for entry in fs::read_dir(&emit_root).expect("read src/emit") {
-        let path = entry.expect("emit dir entry").path();
-        if path.extension() == Some(OsStr::new("rs")) {
-            files.push(path);
-        }
-    }
-    files.sort();
-
-    let mut offenders = Vec::new();
-    for path in files {
-        let source = fs::read_to_string(&path).expect("read emit source");
-        let production_source = source
-            .split("\n#[cfg(test)]")
-            .next()
-            .expect("split always yields a prefix");
-        if production_source.contains(".declaration_by_name(") {
-            offenders.push(
-                path.strip_prefix(manifest_dir)
-                    .unwrap_or(&path)
-                    .display()
-                    .to_string(),
-            );
-        }
-    }
-
-    assert!(
-        offenders.is_empty(),
-        "emit production modules must use cached DeclarationId accessors, not Dag::declaration_by_name. Offenders: {offenders:#?}"
-    );
-}
-
-// All non-test .rs files under `src/v3/compiler` that are currently
-// hand-authored. Sorted; one path per line, relative to the
-// workspace root. **Every SG-1..SG-7 PR shortens this list.**
-// Removing an entry means the owning lane has retired the file;
-// adding an entry is forbidden outside Self-Generation-0 without director
-// sign-off.
-// SG-6 landing (PR #560): the four per-lens regen bins
-// (`regen_lens_cost.rs`, `regen_lens_cost_symbolic.rs`,
-// `regen_lens_structural_resolution.rs`, `regen_lens_unused_parameters.rs`)
-// and SG-4 prep's `regen_infer_helpers.rs` all folded into a single
-// unified `regen_lens` driver driven by `src/v3/compiler/regen.dag`'s
-// `LensRegistryEntry` records. Five retirements; one net-new entry
-// at the time (`src/bin/regen_lens.rs`). **R3 gate #7** (`regen_lens_dot_rs_retired`,
-// 2026-05-14): that program-sized bin path retired; logic lives in
-// `regen_lens_driver.rs` with a thin `regen_lens_entry.rs` `[[bin]]` shell.
-// The new `self_gen6_hand_authored_census_test.rs`
-// pins the reduced bin census + full `(name, lens_file,
-// generated_file)` registry tuples + `--lens` singleton resolve +
-// end-to-end CLI smoke; it is hand-authored test infrastructure and
-// belongs on this list.
-//
-// SG-6 follow-up landing (director sign-off from the
-// `clever-swift-141` brief, 2026-04-19): the former standalone
-// `self_gen4_prep_infer_helpers_freshness_test.rs` was absorbed into
-// `self_gen6_hand_authored_census_test.rs`, so the infer-helpers snapshot
-// gate now resolves through the same `LensRegistryEntry` authority as
-// the unified `regen_lens` driver. One more hand-authored test file
-// retired; no standalone per-helper freshness harness remains.
-//
-// Phase 0 test-taxonomy reorg — four target-emission tests moved from
-// `tests/integration/` to `tests/boundary/` (TESTING.md § test layers,
-// class-5 rustc/go/python roundtrips). Path rename only: net count
-// unchanged, no new hand-authored files. The consolidated
-// `tests/integration.rs` binary still includes them via `#[path =
-// "boundary/..."]` so the one-bootstrap compile amortization holds.
-//
-// P0-A / R1C-B: `p0_repeat_string_correct_gate` lives in `tests/fixtures/r1_gates.dag`;
-// `test_runner_test::test_runner_runs_p0_repeat_string_correct_gate` is the integration receipt.
-//
-// Stage 3b DB-1 parse/apply ratchet bump — PR #564 adds one
-// hand-authored integration file,
-// `tests/integration/lane3_stage_3b_db1_test.rs`, because the
-// ratchet is intentionally end-to-end over real compiler fixtures
-// (diagnose -> apply correction -> reparse -> recompile), not a
-// generated lens snapshot or unit-only helper. Dissolution trigger:
-// when this slice is absorbed into a generic correction harness or a
-// `.dag`-native correction-validation path, drop the entry. This is
-// a bounded Self-Generation-0 exception for the merge-blocking Stage 3b receipt,
-// not a precedent for adding ad hoc integration files.
-//
-// T-PB-A-B: `lower.rs` stays on this list — canonical lowering remains
-// hand-maintained Rust until `lower.dag` + reflected `Surface*`. The former
-// `regen_lower` pass-through scaffold and non-authoritative
-// `lower_generated.rs` snapshot were retired so the census no longer preserves
-// a generated-looking lower projection that `lib.rs` did not consume.
-//
-// Lane E-I Step 0 (PR #726): `e_i_lane_induction_preflight_test.rs` is a
-// bounded bootstrap receipt that `SumBound`'s `terms` field instantiates
-// `List<CostBound>` (not label-only) and that `sum_bound` exists after
-// `regen_bootstrap`. Not a generated
-// snapshot. Dissolution trigger: the same structural fact is covered by a
-// `.dag`-native or testgen-only harness without needing this host-side probe.
-//
-// T-PB-A Slice 1: `lens_unused_parameters.rs` folded into inline
-// `pub mod lens_unused_parameters` in `lib.rs` (peer to `lens_cost`); one
-// non-test census line retired.
-//
-// Phase 1 Dag builder surface — PR #570 adds one narrow host-side
-// helper file, `src/dag/builder.rs`, to keep the test-facing graph
-// constructors scoped away from the main `dag.rs` body while the
-// direct-Dag migration replaces `compile_to_dag(source)` fixtures.
-// Dissolution trigger: once the migration wave settles, fold the
-// builder back into `dag.rs` or move the surface behind a
-// producer-owned path. This is a bounded migration exception, not a
-// precedent for free-standing handwritten helpers.
-//
-// Post-2026-04-20 merge wave (`cleanup-post-merge-slop` brief): PR #589
-// retired `parse.rs` from this `.rs` census, but the 1350-line
-// recursive-descent parse algorithm migrated to
-// `src/v3/compiler/parse_parser_body.txt` — a scaffold fragment
-// `include_str!`'d into the `regen_parse` output. Ratchet extension
-// below (`EXPECTED_HAND_AUTHORED_FRAGMENTS` + `self_gen0_v3_hand_authored_txt_fragments`)
-// counts non-`.rs` scaffolds so the net measurement matches reality.
-// Dissolution trigger: same as the header on `parse_parser_body.txt`
-// (SG-2b proper / SG-3f surface reflection follow-on).
-//
-// Note on census authority scope: the file is NOT added to
-// `compiler.dag::stage0.hand_maintained_src` — that list models
-// basenames inside `source_dir` (`src/v3/compiler/src/`) whose
-// consumers are the freshness-diff and stage0-copy commands. The
-// parser body fragment lives at the crate root, so the existing
-// consumers never see it; adding it would be a dead entry. The
-// Self-Generation-0 fragment ratchet below is the sole census authority for
-// crate-root scaffolds.
-//
-// SG-3f-d consumption proof (director review on PR #605, 2026-04-20):
-// `self_gen3_surface_reflection_consumer_test.rs` is a bounded host-side
-// rustc harness proving reflected `Surface*` carriers are consumable
-// from `.dag`, emitted against `parse_surface`, and executable against
-// real parser output. It is intentionally not modeled as a generated
-// snapshot because the receipt is behavioral end-to-end linkage.
-// Dissolution trigger: when the same proof lands through a
-// producer-owned/generated path, retire this hand-authored harness and
-// drop its census entry.
-//
-// L4b split — `dag.rs` was a 2800-line god-file mixing ports, nodes,
-// declarations, clusters, and the std.effects mirror. The split carves
-// two leaf clusters into sibling submodules (`dag/ports.rs`,
-// `dag/effects.rs`) that the module root re-exports
-// verbatim. No behavior change; file count goes up but per-file
-// coupling goes down. These are pure re-organization of already
-// hand-authored substrate, not new handwritten logic. Dissolution path:
-// the same `include!` / producer-owned route that eventually replaces
-// `dag.rs` itself replaces these submodules simultaneously.
-//
-// T-Substrate cardinality subset for int literals (2026-04-25): the
-// range-comparison shim in `int_literal_ranges.rs` is host-side
-// reconciliation glue over already-declared String-decimal range facts
-// while `rust_grounding_primitives.value_body` remains an unparsed top-level
-// list. It intentionally compares only source literals that already fit
-// `LiteralBits::Int(i64)`; the declared u64 upper half is not reachable
-// until the deferred carrier-widening lane replaces that source-literal
-// carrier. Dissolution triggers: R2 T-Substrate's top-level aggregate
-// `ValueBody` sub-lane makes `rust_grounding_primitives` row values
-// structurally walkable, and the carrier-widening lane makes the full
-// declared unsigned range parseable by source literals. At that point
-// this helper should consume those declared rows directly or move behind
-// generated substrate accessors.
-//
-// R3 T-FixedPoint P0 / DB-8: `self_host_receipt_p0.rs` is intentionally hand-authored
-// receipt-key surface (stable JSON field names for `self_host_fixed_point` trend reads),
-// not generated output. Dissolution: fold into a `.dag` or generated authority when one
-// owns receipt schema; until then this module + census line are the bounded ratchet receipt.
-//
-// PB-0 / Director **msg_84abadad** + scope correction **msg_dda96d21** (2026-05-13): **43-entry**
-// `NON_TEST` + **3** `FRAGMENTS` taxonomy (§3 + §4) in
-// `docs/audit/r3-pb0-non-test-retirement-class-taxonomy-2026-05-13.md`
-// (substitute visibility for dependency tree; not enforcement — see INVARIANTS). Inline
-// `// blocked: …` comments on individual census lines are deferred until taxonomy stabilizes
-// across sibling merges.
-const EXPECTED_HAND_AUTHORED_NON_TEST: &[&str] = &[
-    // R3 C1 perf-budget bench skeleton: Phase-1 Criterion harness for
-    // `tier3_mirror_dissolution_perf_within_budget` per
-    // `docs/briefs/r3-pb-tier3-perf-budget-worker.md` deliverable 0b
-    // (parent brief #1331; readiness matrix #1358; this PR #1362).
-    // Intentionally hand-authored: it measures live public substrate
-    // entrypoints (`merge_evidence`, `positive_descent_count`,
-    // `lower_call_pattern`, `type_iteration_dimension`,
-    // `lane2_workflow_idempotency_report`). R3 gate #4 **parallel module**
-    // `workflow_idempotency.rs` retired; native projection co-located in
-    // `dag/effects.rs` (full evaluator/emitted-authority slice still open while
-    // the std arrow is `Unparsed` in bootstrap). These benches still
-    // target hot Rust call paths (Criterion). Broader Tier3 bench retirement
-    // deletes this harness per parent brief §"Phase 1 deliverables" once the
-    // remaining mirrors dissolve; only the frozen `tier3_baseline.json` data
-    // survives.
-    "src/v3/compiler/benches/tier3_mirror_perf.rs",
-    "src/v3/compiler/build.rs",
-    // F.14 / T-PB-B: `ExecuteCommand` logical child for `tests/dag/boundary_emit_gates.template.dag`.
-    // Irreducible host-shim bin (exit 0/1); calls `v3_compiler::boundary_emit_gates::check_*`.
-    // **P5 receipt (Mechanism (b), disposition (3)):** deferral to ROADMAP.md **T-PB-B** /
-    // `pb_rust_tests_outside_residual_zero` and active deferral **PB-Runtime-External-Toolchain-TestClaims**
-    // (hand `tests/boundary/*.rs` → `.dag` `TestClaim` / substrate target verification).
-    // Dissolution: delete this bin when the last class-5 boundary host shim in `tests/boundary/`
-    // is retired and `boundary_emit_gates.template.dag` (or generated runner) is sole authority
-    // for the remaining `ExecuteCommand` claims — checkable: Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`
-    // no longer lists any `tests/boundary/*` path still covered only by this bin.
-    "src/v3/compiler/src/bin/boundary_emit_gates.rs",
-    "src/v3/compiler/src/bin/r1c_e_emit_gates.rs",
-    "src/v3/compiler/src/bin/regen_bootstrap.rs",
-    "src/v3/compiler/src/bin/regen_parse.rs",
-    "src/v3/compiler/src/bin/regen_parse_tables.rs",
-    "src/v3/compiler/src/bin/regen_tokenize.rs",
-    "src/v3/compiler/src/bin/regen_v3.rs",
-    "src/v3/compiler/src/bin/self_host_fixed_point.rs",
-    "src/v3/compiler/src/bootstrap.rs",
-    "src/v3/compiler/src/bootstrap_regen_fresh.rs",
-    // F.14 / T-PB-B: shared `check_*` for class-5 boundary emit gates; thin host `#[test]`
-    // shims and `boundary_emit_gates` bin both call (`tests/dag/boundary_emit_gates.template.dag`).
-    // **P5 receipt (Mechanism (b), disposition (3)):** deferral to ROADMAP.md **T-PB-B** /
-    // `pb_rust_tests_outside_residual_zero` + **PB-Runtime-External-Toolchain-TestClaims**.
-    // Dissolution: delete when every claim in `boundary_emit_gates.template.dag` is evaluated by
-    // substrate `run_target_verification` / v4 `.dag` `TestClaim` runtime without this module
-    // (same lane as `r1c_e_gates.rs` scaffold, but boundary-class scope not R1C-E / issue #973).
-    "src/v3/compiler/src/boundary_emit_gates.rs",
-    // E-5 / P2–P4: wall-bounded host subprocess I/O shared by `post_emit_verifier` and
-    // W1/L5 `test_runner` (fail-closed vs unbounded `Command::output`).
-    // **P5 receipt (Mechanism (b)):** matching row in `_internal/INVARIANTS_OPS.md`.
-    // Dissolution: delete when PB-Runtime owns bounded host-child policy for all
-    // post-emit / ExecuteCommand paths without this hand module.
-    "src/v3/compiler/src/bounded_host_command.rs",
-    // R3 gate #87 / T-Tests-As-Data-Completeness: `CementingDispatchMatchesProjection` host
-    // evaluator for `tests/dag/cementing_dispatch.dag` (P5 consumer receipt; dissolves when
-    // predicate substrate owns the walk without host FS coupling).
-    "src/v3/compiler/src/cementing_dispatch.rs",
-    "src/v3/compiler/src/complexity_lattice.rs",
-    "src/v3/compiler/src/cost_basis_declaration.rs",
-    "src/v3/compiler/src/dag.rs",
-    "src/v3/compiler/src/dag/builder.rs",
-    // Closed Cardinality payload + idempotent target shim (API closure).
-    "src/v3/compiler/src/dag/cardinality_payload.rs",
-    "src/v3/compiler/src/dag/effects.rs",
-    "src/v3/compiler/src/dag/ports.rs",
-    "src/v3/compiler/src/diagnostics.rs",
-    "src/v3/compiler/src/dimension.rs",
-    "src/v3/compiler/src/emit.rs",
-    // CollectionOps `*_contract` → `MethodTemplateContract` identity gate (PR #1577 / #1602).
-    "src/v3/compiler/src/emit/collection_ops_method_contract.rs",
-    "src/v3/compiler/src/emit/python_target.rs",
-    "src/v3/compiler/src/emit/rust_target.rs",
-    // W3 / T-38: executable `run_emit_host_rust` hand-Rust bridge (`tools/emit_host_runner`).
-    // **P5 receipt (Mechanism (b)):** matching row in `_internal/INVARIANTS_OPS.md`
-    // § Self-Generation-0 hand-authored compiler non-test paths (`T-PB-B` / `pb_rust_tests_outside_residual_zero`).
-    // Dissolution: delete when substrate eval owns host dispatch without hand-Rust bridge.
-    "src/v3/compiler/src/emit_host_bridge.rs",
-    // T-22: `emit_host_eval.rs` — rust/go/python rows (#4225/#4254 main) + B3 `run_host_process`
-    // omni-emission transport dispatch + SignedI32Le i32 reification (#4641).
-    // **P5 receipt (Mechanism (b)) — disposition (3) explicit deferral:** lane **T-PB-B** /
-    // `pb_rust_tests_outside_residual_zero` (gate marker
-    // `src/v3/compiler/tests/fixtures/r1_release_acceptance.dag:25`; ROADMAP `ROADMAP.md:31`, `:43`).
-    // Paired execution (E-10 honest partition): `emit_host_runner` unit
-    // `runtime_value_parse_signed_i32_le_decodes_fixed_bytes` (hermetic byte-decode) +
-    // `emit_host_eval.rs` in-module `b3_runtime_value_signed_i32_le_as_int_eval_dispatch_reifies_five`
-    // (eval intercept decode). **DORMANT:** `run_host_process` process-spawn (real tsc+node;
-    // v3-eval-intercept-only; v2 --claim-run has no hook) — dissolves at T-22 substrate eval /
-    // gunbc#4750 (supersedes #4674). `v4_emit_host_eval_dispatch_test.rs` covers rust rows only; `comprep_b3_ts_descriptor_node_run.dag`
-    // is wire scaffold (not v2 --claim-run).
-    // Census **+0 NON_TEST** (row on main since #4225; #4641 extends eval hook, no new Self-Generation-0 path).
-    // Dissolution: substrate Callable dispatch owns all host rows without this hand-Rust eval hook.
-    "src/v3/compiler/src/emit_host_eval.rs",
-    "src/v3/compiler/src/emit_rust.rs",
-    "src/v3/compiler/src/emit_rust_bin_shim.rs",
-    // R1C-E + m1_3: shared `PROGRAM_FIXTURES` / `REFLECTED_FIXTURES` tables (single source of truth).
-    "src/v3/compiler/src/emit_rust_roundtrip_fixtures.rs",
-    "src/v3/compiler/src/enforced_lens_application.rs",
-    "src/v3/compiler/src/infer.rs",
-    "src/v3/compiler/src/int_literal_ranges.rs",
-    // R3 gate #87: `tests/integration.rs` wiring scanner shared by Band-C cementing dispatch
-    // (`cementing_dispatch.rs`) and integration tests (P5 receipt for host promotion from
-    // `tests/integration/common/mod.rs`).
-    "src/v3/compiler/src/integration_rs_wiring_scan.rs",
-    "src/v3/compiler/src/lens_declaration_apply.rs",
-    "src/v3/compiler/src/lens_t_las_carrier.rs",
-    "src/v3/compiler/src/lib.rs",
-    "src/v3/compiler/src/lower.rs",
-    // R3 gate #94: cost-lens memory-peak compose + enforcement authority (ties `dominant`/max_path).
-    "src/v3/compiler/src/memory_peak_cost.rs",
-    // R3 T-Omni-Shape-B Brief #1 (#2219 / PR #2251): transitional
-    // Rust-side OpenAPI projection receipt after the Shape A/Shape B boundary
-    // fix moved it out of `emit.rs`. Dissolves when the equivalent Shape B
-    // `.dag` program owns the OpenAPI artifact projection end-to-end.
-    "src/v3/compiler/src/omni_shape_b_openapi.rs",
-    // R3 row 85 / PB #1560 Gap 4: target-keyed projection of the
-    // `MethodTemplateContract` rows from the full bootstrap `Dag` for
-    // PB-zero / v2-retirement consumers (decision in
-    // `docs/decisions/r3-row85-method-template-read-surface.md`).
-    "src/v3/compiler/src/pb_method_template_projection.rs",
-    "src/v3/compiler/src/pipeline_authority.rs",
-    "src/v3/compiler/src/post_emit_verifier.rs",
-    // PB-1 Item 5: host mirror of `dsl/std/process.dag` `ProcessExit` for emitted bin shims.
-    "src/v3/compiler/src/process_exit.rs",
-    // R1C-E (T-Emit `.dag` `TestClaim` wrappers): shared `check_*` API the host
-    // `#[test]` harness and `r1c_e_emit_gates` `bin` both call. Single source of
-    // truth for the emit-gate assertions; scaffold until R1 close dissolves it.
-    "src/v3/compiler/src/r1c_e_gates.rs",
-    // R3 T-Free-Consequences: authored comment → `lane2_workflow` staging until lowering owns it.
-    "src/v3/compiler/src/r3_fc_lane2_loop_witness.rs",
-    // R3 gate #87: PB-B-1 runner table + `cementing_dispatch` shared inventory for
-    // `tests/dag/t_r3_gate_87_cementing_regen_*.dag` (INVARIANTS P2 single authority).
-    "src/v3/compiler/src/r3_gate_87_cementing_regen_runner_suites.rs",
-    "src/v3/compiler/src/regen_bootstrap_emit.rs",
-    "src/v3/compiler/src/regen_lens_driver.rs",
-    "src/v3/compiler/src/regen_lens_entry.rs",
-    "src/v3/compiler/src/regen_parse_emit.rs",
-    "src/v3/compiler/src/regen_parse_tables_emit.rs",
-    "src/v3/compiler/src/regen_tokenize.rs",
-    "src/v3/compiler/src/self_host_receipt_p0.rs",
-    "src/v3/compiler/src/test_runner.rs",
-    "src/v3/compiler/src/v4_hollow_alias_gate.rs",
-    "src/v3/compiler/src/wall_clock_ratchet_manifest.rs",
-];
-
-// All test .rs files under `src/v3/compiler` that are currently
-// hand-authored. Sorted; one path per line, relative to the
-// workspace root. T-PB-B owns shrinking this subset toward the
-// TESTING.md §"Post-R2 shape" residual. T-PB-A reductions must not
-// rely on this list moving.
-// Slice 1 census reconciliation (2026-05-02): sorted path list; update when
-// adding/removing hand-authored integration tests (Self-Generation-0 ratchet).
-//
-// **Cementing-test discipline ratchet (gate #87 `lens_cementing_test_discipline_complete`).**
-// New cementing receipts must follow `TESTING.md` §4 "One claim per test": one structural
-// claim per `#[test]` / per `data foo: TestClaim`, and runner-drive tests assert
-// `ClaimResult` by shape (`== ClaimResult::Pass` / `matches!(_, ClaimResult::Pass)`), never
-// by stringified message contents. When porting a Rust receipt below to a `.dag` `TestClaim`,
-// **the same PR removes the entry from this list** — `EXPECTED_HAND_AUTHORED_TEST` is the
-// single cementing inventory. Don't introduce a parallel hand list (e.g. a separate
-// "ported-but-still-listed" or "pending-port" set); the ratchet's whole point is that one
-// monotonically-shrinking authority tracks the Rust→`.dag` migration.
-const EXPECTED_HAND_AUTHORED_TEST: &[&str] = &[
-    // `tests/boundary/` before `tests/determinism_test.rs` (ASCII `boundary/` < `determinism_`);
-    // `l5_*` before `m1_*` / `m2_*` within boundary/.
-    "src/v3/compiler/tests/boundary/l5_cross_target_consistency.rs",
-    "src/v3/compiler/tests/boundary/m1_3_emit_go_test.rs",
-    "src/v3/compiler/tests/boundary/m1_3_emit_rust_test.rs",
-    "src/v3/compiler/tests/boundary/m1_4_emit_python_test.rs",
-    "src/v3/compiler/tests/boundary/m1_5_emit_omni_demo_test.rs",
-    // **P5 receipt (F.14 / T-PB-B):** `m2_emit_multi_field_struct_variant_test.rs` retired;
-    // `tests/dag/boundary_emit_gates.template.dag` + `boundary_emit_gates` bin are authority
-    // (`t_pb_b_1_dag_runner_test::boundary_emit_gates_suite_passes_through_runner`).
-    // Phase 1 leaf-model go R1/R2a/R2b/R3-external: boundary Go toolchain exercise for
-    // R1 int surface spelling, R2a int algebra ops, R2b int64 overflow wrap, R3-external
-    // Symbol-as-string projection until T-22 modeled `run_target_verification` owns target
-    // verdicts; P5 deferral to ROADMAP.md `PB-Runtime-External-Toolchain-TestClaims`.
-    // Interim host runners: scripts/v4-leaf-model-go-r{1,2a,2b,3-external}-verify.sh.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_go_r1_r2_r3_external_test.rs",
-    // Phase 1 leaf-model python cross-runtime DRIFT (Worksheet C): boundary tokenize/parse smoke
-    // of the drift std/lens/claim dags + runtime divergence exercise for
-    // `python_cross_runtime_drift_*` (Python arbitrary precision vs Rust/Go fixed-width wrap);
-    // host runner `scripts/v4-leaf-model-python-cross-runtime-drift-verify.sh`.
-    //
-    // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** the checkable
-    // receipt is this registration itself (per-PR mechanism (b)) — the `EXPECTED_HAND_AUTHORED_TEST`
-    // census moves by exactly +1 now and must shrink by 1 at dissolution; the sorted/unique and
-    // disk-vs-list census tests in this file mechanically enforce it. Deferral lane —
-    // **ROADMAP.md** "What v4 is building toward" rows "Tests as `.dag` `TestClaim` data"
-    // (`src/v4/test/claim/`) and "Pure bootstrap / self-host" (trajectory to zero hand-maintained
-    // Rust; `self_host.dag` ratchet). Concrete dissolution trigger: delete this hand-Rust test when
-    // the modeled `TestClaim` runner exercises
-    // `src/v4/test/claim/language_model/python_cross_runtime_drift.dag` directly, so the boundary
-    // host-process bridge is no longer the only exerciser of the drift claim.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_python_cross_runtime_drift_test.rs",
-    // Python RCA release-minimum lane (#4137 section 11.8): L1 static structural mypy (Worksheet B);
-    // host runner v4-leaf-model-python-l1-mypy-static-verify.sh (pyright roster on main #4231).
-    //
-    // **P5 receipt (Mechanism (b), disposition (2)):** `EXPECTED_HAND_AUTHORED_TEST` 171 → 172;
-    // T-PB-B partition (module doc lines 9–10 + `tests/boundary/README.md`); lane
-    // `docs/planning/v4-python-rca-manager-worksheets-2026-06-01.md` Worksheet B (#4137 §11.8);
-    // host runner v4-leaf-model-python-l1-mypy-static-verify.sh. Dissolution: drop when
-    // modeled verification supersedes `src/v4/test/claim/language_model/python_l1_static.dag`.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_python_l1_static_receipts_test.rs",
-    // Phase 1 leaf-model python L2 CROSS-TARGET PARITY (Worksheet C): boundary tokenize/parse smoke
-    // of the parity std/lens/claim dags + runtime AGREEMENT exercise for `python_l2_parity_*`
-    // (small-value add `2+3=5` and Symbol projection `x` agree across Python/Rust, Go corroborating).
-    // The positive complement of the cross-runtime DRIFT boundary test: drift proves divergence at
-    // the fixed-width boundary, parity proves agreement on the common domain.
-    //
-    // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** the checkable
-    // receipt is this registration itself (per-PR mechanism (b)) — the `EXPECTED_HAND_AUTHORED_TEST`
-    // census moves by exactly +1 now and must shrink by 1 at dissolution; the sorted/unique and
-    // disk-vs-list census tests in this file mechanically enforce it. Deferral lane —
-    // **ROADMAP.md** `PB-Runtime-External-Toolchain-TestClaims` (the exact deferral for
-    // host-spawned toolchain boundary tests; same lane as the Go and drift leaf-model siblings at
-    // `:431` / `:439-448`) plus the "What v4 is building toward" rows "Tests as `.dag` `TestClaim`
-    // data" (`src/v4/test/claim/`) and "Pure bootstrap / self-host" (trajectory to zero
-    // hand-maintained Rust). Concrete dissolution trigger: delete this hand-Rust test when the
-    // modeled `TestClaim` runner executes the three target sources and binds observed stdout to
-    // `expected_parity.actual`, so the boundary host-process bridge is no longer the only exerciser
-    // of `src/v4/test/claim/language_model/python_l2_cross_target_parity.dag` (lane
-    // `docs/planning/v4-python-rca-manager-worksheets-2026-06-01.md` Worksheet C / #4137 §11.8).
-    "src/v3/compiler/tests/boundary/v4_leaf_model_python_l2_cross_target_parity_test.rs",
-    // Phase 1 leaf-model python R1 (W2.6 / PR #3938 §11.4): boundary CPython exercise for
-    // `src/v4/lens/leaf_model_verification.dag` python fixtures until T-22 modeled
-    // `run_target_verification` owns target verdicts; interim host runner
-    // `scripts/v4-leaf-model-python-r1-verify.sh`.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_python_r1_test.rs",
-    // Phase 1 leaf-model python R2a/R2b/R3-external (MW-D3 cross-target widening): boundary
-    // CPython exercise for R2a algebra ops, R2b arbitrary-precision add, R3-external Symbol
-    // projection; host runners scripts/v4-leaf-model-python-r2{a,b,r3-external}-verify.sh.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_python_r2_r3_external_test.rs",
-    // Phase 1 leaf-model verification R1 (`docs/planning/v4-leaf-model-verification-2026-05-30.md` §7):
-    // boundary rustc exercise for `src/v4/lens/leaf_model_verification.dag` fixtures until
-    // T-22 modeled `run_target_verification` owns target verdicts.
-    //
-    // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** explicit
-    // deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-    // `pb_rust_tests_outside_residual_zero` + gunbc#4757/gunbc#4765 (Runtime/TestClaim
-    // verdict surface; interim host runner `scripts/v4-leaf-model-rust-r1-verify.sh`).
-    // Dissolution: delete when modeled runner exercises
-    // `src/v4/test/claim/language_model/rust_r1.dag` without this hand-Rust bridge.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_rust_r1_rustc_test.rs",
-    // Phase 1 leaf-model R2a/R2b(1–2)/R3-external (W1.7): boundary rustc for algebra inhabitance,
-    // overflow runtime behavior, Symbol projection; host runners v4-leaf-model-rust-r2{,a,b}-verify.sh
-    // and v4-leaf-model-rust-r3-external-verify.sh.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_rust_r2_r3_external_rustc_test.rs",
-    // Phase 1 leaf-model R3-internal (post-SG-1 #3956): emit coupling receipt for Symbol row mutation;
-    // boundary projection replay for `target_atom_type_spelling` + value kind until T-22 eval.
-    //
-    // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** explicit
-    // deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-    // `pb_rust_tests_outside_residual_zero` + gunbc#4757/gunbc#4765 (Runtime/TestClaim
-    // verdict surface; interim host runner `scripts/v4-leaf-model-rust-r3-internal-verify.sh`).
-    // Dissolution: delete when modeled runner exercises
-    // `RustEmitProjectionEqualityExpectation` without this hand-Rust bridge.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_rust_r3_internal_emit_coupling_test.rs",
-    // Phase 1 leaf-model typescript R2a/R2b/R3-external (MW-D3 alpha lane): boundary tsc + Node
-    // exercise for R2a number algebra ops (TS2339 falsification), R2b bigint runtime vs number
-    // lane divergence, R3-external Symbol() factory vs `new Symbol` (TS7009); host runners
-    // scripts/v4-leaf-model-typescript-r2{a,b,r3-external}-verify.sh.
-    "src/v3/compiler/tests/boundary/v4_leaf_model_typescript_r2_r3_external_test.rs",
-    "src/v3/compiler/tests/determinism_test.rs",
-    "src/v3/compiler/tests/integration.rs",
-    "src/v3/compiler/tests/integration/anthropic_messages_callable_test.rs",
-    // R3 gate #68 (`anthropic_wire_demonstration`): hermetic typed request/response
-    // cycle over the Anthropic Messages wire surface using a deterministic mock.
-    "src/v3/compiler/tests/integration/anthropic_messages_wire_demo_test.rs",
-    // T-Ground services.dag PR-β anthropic_operations Phase 1 pilot
-    // (#1252). Hand-authored ratchet entry added per Self-Generation-0 census discipline.
-    "src/v3/compiler/tests/integration/anthropic_operations_test.rs",
-    "src/v3/compiler/tests/integration/anthropic_schema_lockstep_test.rs",
-    // R3 coproduct slice 2: hermetic JSON for `tool_result.content` scalar vs block array.
-    "src/v3/compiler/tests/integration/anthropic_tool_result_wire_demo_test.rs",
-    "src/v3/compiler/tests/integration/bridge_ledger_carrier_test.rs",
-    // PB Tier-2 lower-helper exact-string patch class (#1014): zero-residual receipt +
-    // source ratchet; see `bridge_lower_helpers_patch_zero_residual_test.rs` module docs.
-    "src/v3/compiler/tests/integration/bridge_lower_helpers_patch_zero_residual_test.rs",
-    // R2 PB canonical-lens bridge ratchet (PR #1183 — disposition for
-    // `bridge_canonical_lens_name_dispatch_retired`). Pins the remaining
-    // `include_str!` / name-dispatch surface in `test_runner.rs` per
-    // `docs/briefs/r2-pb-canonical-lens-bridge-disposition.md`. .dag-port
-    // / dissolution path is the same gate that closes the bridge itself
-    // (PB-Runtime interpreter-as-data or typed lens-registry carrier);
-    // until then, this hand-Rust ratchet IS the slice's structural gate.
-    "src/v3/compiler/tests/integration/canonical_lens_bridge_ratchet_test.rs",
-    // R3 gate #87: provenance `origin_of` seam check (retired from `cementing_lens_registry_dispatch_test.rs`).
-    "src/v3/compiler/tests/integration/cementing/cementing_provenance_origin_integration_test.rs",
-    // R3 T-Lens-Behavioral-Parity: Band-C cementing receipt for the complexity lens
-    // COMPLETE promotion against frozen v2-oracle values. Temporarily stays Rust
-    // because `.dag` TestClaims cannot yet consume the `ComplexitySummary`
-    // report carrier (`Gate73_ReportPredicateCarriers`).
-    "src/v3/compiler/tests/integration/cementing/complexity_lens_behavioral_completion.rs",
-    // R3 gate #78 residual: pins `per_call_pattern_at` on the unary countdown fixture while the
-    // host `symbolic_cost_of` wrapper still owns the alias-collapse post-pass. Gate #80 Band-C
-    // symbolic-cost cementing moved to
-    // `tests/dag/t_r3_gate_87_cementing_regen_cost_symbolic.dag`; do not count this file as the
-    // `cost_symbolic` COMPLETE receipt.
-    "src/v3/compiler/tests/integration/cementing/cost_lens_symbolic_consumer_test.rs",
-    // R3 gate #76 (`e_p_per_call_descent_evidence_full_coverage`) Phase-3 lens-consumer
-    // cementing ratchets (#[ignore]'d) pinning the consumer-path expectation for
-    // match-payload + multi-arg per-arg vectors against `complexity_of` + `symbolic_cost_of`.
-    // Lane E-P per ROADMAP.md "Lane E-P — per-call descent-evidence provenance (M)" — see
-    // INVARIANTS.md §P5 row for dissolution trigger (lens-consumer match-arm walker extension).
-    "src/v3/compiler/tests/integration/cementing/e_p_per_call_descent_lens_consumer_cementing.rs",
-    // R3 gate #82: Operation-row consumer receipt for effect_enumeration COMPLETE.
-    "src/v3/compiler/tests/integration/cementing/effect_enumeration_lens_behavioral_completion.rs",
-    // R3 T-Lens-Application-Surface gate #94 (`memory_peak_cost_basis_demonstrated`).
-    "src/v3/compiler/tests/integration/cementing/memory_peak_cost_basis_demo.rs",
-    "src/v3/compiler/tests/integration/common/budgeted.rs",
-    "src/v3/compiler/tests/integration/common/cached_compile.rs",
-    "src/v3/compiler/tests/integration/common/determinism_fixtures.rs",
-    // E6-G1.a Option 3 static lens mechanism (#1853 + #1857):
-    // `find_list_empty_constructor_tag` helper for opaque-`Dag` harness tags
-    // (P5 receipt: Self-Generation-0 census membership for `e6_g1a_option3_static_lens_test.rs`).
-    "src/v3/compiler/tests/integration/common/list_variant_tags.rs",
-    "src/v3/compiler/tests/integration/common/mod.rs",
-    "src/v3/compiler/tests/integration/common/r1_gates_bridge.rs",
-    "src/v3/compiler/tests/integration/common/rust_comment_strip.rs",
-    "src/v3/compiler/tests/integration/common/substrate_receipts.rs",
-    // R3 gate #78 / E-P: shared countdown `SymbolicCost` oracle helper for cost-lens consumer
-    // tests (`cost_lens_symbolic_consumer_test`, lane2 `lane2_stage_2d_symbolic_cost_test`).
-    "src/v3/compiler/tests/integration/common/symbolic_cost_countdown.rs",
-    // R3 gates #40/#70: host-side `SymbolicCost` → v3 data-expression serializer for
-    // `SymbolicCostExprEquals` dynamic oracle fixtures (`m1_5_verification_test.rs`); stays
-    // until testgen/reflection can author the same `data …: SymbolicCost = …` literals without
-    // a Rust mirror of the algebra surface syntax.
-    "src/v3/compiler/tests/integration/common/symbolic_cost_verification_fixture.rs",
-    // R3 gate #87: unit tests for `tests/integration.rs` wiring scanners (split from retired
-    // `cementing_lens_registry_dispatch_test.rs`).
-    "src/v3/compiler/tests/integration/common/wiring_scanner_test.rs",
-    // Coverage-defect acceptance keys: parse-level ratchet for
-    // `src/v4/lens/coverage.dag`; retires when generated coverage owns the
-    // same key projection.
-    "src/v3/compiler/tests/integration/coverage_defect_acceptance_dag_test.rs",
-    // R3 L6 carrier slice (PR #1842; Measure-carrier precedent at #1819,
-    // Director Option 2 RATIFIED at
-    // gunbc#828 #issuecomment-4377533390): slice-active ratchet for
-    // `cross_target_coverage.dag` (six type declarations exist;
-    // `emission_path_projections` Phase-1 populated with 41 rows —
-    // Rust 13 / Python 16 / Go 12). Stays hand-Rust alongside
-    // `method_template_contract_test.rs` until testgen covers
-    // reflected-Dag structural assertions over std/ row authorities.
-    "src/v3/compiler/tests/integration/cross_target_coverage_carrier_test.rs",
-    // Dissolution-lens subsumption carrier: parse-level ratchet for
-    // `src/v4/lens/subsumption.dag`; retires when v4 TestClaim/generated
-    // coverage owns the same carrier and first-row projection.
-    "src/v3/compiler/tests/integration/dissolution_subsumption_carrier_test.rs",
-    // E6-G1.a Option 3 — static `Lens<Int>` + `mini_report` mechanism demonstration
-    // (#1853; witness-flow + TESTING.md split per #1857). Self-Generation-0 ratchet: hand-authored
-    // integration test census membership.
-    "src/v3/compiler/tests/integration/e6_g1a_option3_static_lens_test.rs",
-    "src/v3/compiler/tests/integration/e_i_lane_induction_preflight_test.rs",
-    // T-Substrate-Lens-Primitive Lens<EmissionProvenance> structural cementing
-    // test (PR #1928). Per Director Q1(a) RATIFIED at gunbc#1739
-    // #issuecomment-4392562911. Hand-authored entry added per Self-Generation-0 census
-    // discipline; integration-test home (matches `mini_lens` /
-    // `e6_g1a_option3_static_lens_test` precedent for fixture-bound lens
-    // instances).
-    "src/v3/compiler/tests/integration/emission_provenance_lens_test.rs",
-    // Operator-directive 2026-05-29 / PR #3913 — E-5 multi-target emit verification:
-    // `PROGRAM_FIXTURES` must pass each Shape-A `post_emit_verifier` (not only M1
-    // self-host `src/v4` cargo-check). **P5 receipt (Mechanism (b)):** matching row
-    // in `_internal/INVARIANTS_OPS.md` § Self-Generation-0 hand-authored integration test receipts.
-    // Dissolution: remove when obligations run as `.dag` `TestClaim` rows / T-38 runner
-    // without this host harness (`src/v4/test/claim/manual/multi_target_emit_verification_gate.dag`).
-    "src/v3/compiler/tests/integration/emit_verification_gates_test.rs",
-    // T-Ground-Engine Phase-1 loader-close (PR #776, Director-approved
-    // Path 2): hand-Rust integration test pinning
-    // `Dag::rust_grounding_primitives()` type-structure walk + the
-    // `ValueBody::Unparsed` boundary that flips when R2 T-Substrate's
-    // 4th sub-lane lands top-level `ValueBody::List`/aggregate.
-    // Dissolves into testgen authority when the testgen path covers
-    // the dsl/extdeps loader surface.
-    "src/v3/compiler/tests/integration/extdeps_rust_primitives_loader_test.rs",
-    // Ctrl-Migration Emission-Targets Phase 3 HTTP/SQL extdeps: narrow host-side
-    // parser receipt for `dsl/extdeps/transports/rest.dag` and
-    // `dsl/extdeps/transports/sql.dag`. Explicit P5 receipt lives
-    // in INVARIANTS.md § "Self-Generation-0 hand-authored integration test receipts"; dissolves
-    // when extdeps transport files are covered by a `.dag`-native parse/authority
-    // suite or generated test harness.
-    "src/v3/compiler/tests/integration/extdeps_sql_transport_test.rs",
-    "src/v3/compiler/tests/integration/file_attachment_substrate_carrier_test.rs",
-    "src/v3/compiler/tests/integration/four_fixture_regression_test.rs",
-    // get-off-v3 by-execution caller census + down-only ratchet for
-    // `v3_compiler::compile_to_dag` (the v3 whole-source compile entry). A narrow
-    // hand-Rust instrument: it walks the live source tree at test time and counts
-    // direct calls to `compile_to_dag`, holding the discovered total at/under a
-    // single ceiling that ratchets toward zero (no per-caller pinned ledger; E-10 /
-    // #4633 by-execution lineage).
-    //
-    // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** the
-    // checkable receipt is this registration itself (per-PR mechanism (b)) — the
-    // `EXPECTED_HAND_AUTHORED_TEST` census moves by exactly +1 now and must shrink by
-    // 1 at dissolution; the sorted/unique and disk-vs-list census tests in this file
-    // mechanically enforce it. Deferral lane — `src/v3/SELF_HOSTING.md` self-host
-    // trajectory (hand-Rust v3 surface → 0) plus the M-CI / CI-via-dag lane that owns
-    // CI-enforcing this ratchet. Concrete dissolution trigger: this instrument
-    // dissolves with its own subject — when the ceiling reaches 0 (no direct
-    // `compile_to_dag` callers remain) and v3 retires, or earlier if the census is
-    // re-expressed as a `.dag` `TestClaim` under the CI-via-dag lane — at which point
-    // this hand-Rust test is deleted and the entry removed from this list (−1).
-    "src/v3/compiler/tests/integration/get_off_v3_compile_to_dag_census_test.rs",
-    // Idempotency Lens<C> instance blocker ratchet (R2 Substrate): focused
-    // hand-Rust receipt proving the actual idempotency lens instance must
-    // wait for generic function-valued data-field matching, while imported
-    // sum-return helper calls are not the current blocker. No substrate
-    // instance lands here; dissolves into the real idempotency Lens<C>
-    // instance/equivalence ratchet once the lowerer prerequisite is fixed.
-    "src/v3/compiler/tests/integration/idempotency_lens_instance_blocker_test.rs",
-    // T-Substrate cardinality subset for int literals: behavior receipt for
-    // range narrowing, explicit Int64 default, and MagnitudeOutOfRange.
-    // Dissolves into .dag-native/testgen coverage when diagnostic assertions
-    // can name this case without a host-side integration harness.
-    "src/v3/compiler/tests/integration/int_literal_cardinality_test.rs",
-    "src/v3/compiler/tests/integration/l1_5_fixed_point_test.rs",
-    "src/v3/compiler/tests/integration/lane2_stage_2a_effects_smoke.rs",
-    "src/v3/compiler/tests/integration/lane2_stage_2b_db18_test.rs",
-    "src/v3/compiler/tests/integration/lane2_stage_2c_db15_test.rs",
-    "src/v3/compiler/tests/integration/lane2_stage_2d_symbolic_cost_test.rs",
-    "src/v3/compiler/tests/integration/lane2_stage_2e_parallelism_test.rs",
-    "src/v3/compiler/tests/integration/lane3_stage_3b_db1_test.rs",
-    // R3 §1.8 gate #89 (`section_ref_substrate_landed`): `SectionRef` disjoint-sum substrate receipt.
-    "src/v3/compiler/tests/integration/lens_application_substrate_carrier_test.rs",
-    // R3 gate #73 (`lens_behavioral_parity_demonstration`): temporary host
-    // receipt for the four-lens parity snapshot while LensOutputEquals /
-    // frozen-oracle claims migrate to `.dag` TestClaim data. Dissolution is
-    // tracked by `docs/r3-program-plan.md` §1.8 row 73, T-Tests-As-Data
-    // rows 84/87, and `ROADMAP.md` §"Post-merge debt" row "Hand-Rust census" /
-    // T-PB-B test subset; delete with the module's `tests/integration.rs`
-    // registration.
-    "src/v3/compiler/tests/integration/lens_behavioral_parity_demonstration_test.rs",
-    // T-CostLens-Composition Slice 1a.1 (#2141 ε scope per gunbc#2181 ratification):
-    // Rust integration tests exercising `lens_cost_target_realization` `.dag`-tier
-    // consumer of `declaration_by_name` (introduced by Slice 1a.0 / PR #2194).
-    // P2 same-PR-consumer-evidence per codex BLOCKING surfaced post-merge.
-    //
-    // **Dissolution trigger (P5)**: retires when T-Tests-As-Data infrastructure
-    // expresses ".dag-fn-resolution-against-bootstrap" assertions and
-    // `cost_lens_demonstration` as structural `TestClaim` data instead of
-    // hand-Rust integration tests.
-    //
-    // **P5 explicit deferral receipt**: lane = T-Tests-As-Data-Completeness /
-    // T-PB-B test-census dissolution; concrete ROADMAP rows =
-    // `ROADMAP.md` T-PB-B test subset row at `ROADMAP.md:170` (Rust-authored
-    // tests migrate to `.dag` `TestClaim` declarations) plus Self-Generation-0 PR-window
-    // discipline at `ROADMAP.md:177`. Gate authority = `docs/r3-program-plan.md`
-    // row #70 (`cost_lens_demonstration`) and the T-CostLens worker brief's
-    // same-slice acceptance bullet. This is a strict deferral of the test
-    // harness shape, not of the gate behavior.
-    //
-    // The 6 resolver assertions here (one per `*Realization` meta-type —
-    // `assert meta.is_some() && name == "X"`) factor as `OutputEquals` /
-    // declaration-resolution claims under the T-Tests-As-Data umbrella (#1966
-    // §3 ratchet predicate scope). Gate #70 additionally factors into
-    // TestClaims over the representative recursive fixture: emitted target
-    // program contains the recursive call, lowered DAG has Add/Sub/Eq
-    // algebra-instance operator transforms, `per_call_descent_evidence` observes
-    // the self-call, and the Rust-side cost composition preserves the observable
-    // linear `SymbolicCost` bound. Until that landing, hand-Rust is the consumption
-    // path for `.dag`-fn-from-Rust and emitted-target cost-composition
-    // assertions; Mgr standing-authority approval at gunbc#2221
-    // #issuecomment-4404395097 ratifies this bridge for the Slice 1a.1 / gate
-    // #70 window.
-    "src/v3/compiler/tests/integration/lens_cost_target_realization_test.rs",
-    "src/v3/compiler/tests/integration/lens_register_correspondence_test.rs",
-    // T-Substrate-Lens-Primitive (R2 Substrate, first slice): Director-
-    // approved hand-Rust acceptance for `Lens<C>` substrate carrier and
-    // Q6.5 two-layer diagnostic-kind authority. Five structural claims
-    // over the regenerated bootstrap Dag — Lens<C> 6-field shape,
-    // Diagnostic.kind widened to AnyDiagnosticKind, Layer-1 closed sum
-    // unchanged, AnyDiagnosticKind two-constructor shape, and Layer-2
-    // payload-intentionally-absent gap receipt. Dispatch (#1130 +
-    // `docs/design-lens-framework.md` Q6.5) accepted "focused structural
-    // acceptance tests" rather than a parallel testgen harness.
-    // Dissolves into .dag `TestClaim` form when testgen covers reflected-
-    // Dag structural assertions over std/ types.
-    "src/v3/compiler/tests/integration/lens_substrate_carrier_test.rs",
-    "src/v3/compiler/tests/integration/m0_acceptance.rs",
-    "src/v3/compiler/tests/integration/m1_3_lens_cost_test.rs",
-    "src/v3/compiler/tests/integration/m1_3_lens_unused_parameters_test.rs",
-    // R3 T-Omni-Shape-B Brief #1 (#2219 / PR #2251): integration receipt
-    // for same-DAG Shape B OpenAPI projection. Dissolves into TestClaim /
-    // `.dag`-native Shape B demo coverage with the OpenAPI projector above.
-    "src/v3/compiler/tests/integration/m1_5_omni_shape_b_openapi_test.rs",
-    "src/v3/compiler/tests/integration/m1_5_testgen_test.rs",
-    "src/v3/compiler/tests/integration/m1_5_user_authored_lens_gate_test.rs",
-    "src/v3/compiler/tests/integration/m1_5_verification_test.rs",
-    "src/v3/compiler/tests/integration/m1_fn_external_body_reconciliation_test.rs",
-    "src/v3/compiler/tests/integration/m1_lens_structural_resolution_test.rs",
-    "src/v3/compiler/tests/integration/m1_substrate_test.rs",
-    "src/v3/compiler/tests/integration/m2_feature_parity_test.rs",
-    "src/v3/compiler/tests/integration/m2_field_access_binding_test.rs",
-    "src/v3/compiler/tests/integration/m2_lens_cost_migration_test.rs",
-    "src/v3/compiler/tests/integration/m2_lens_idempotency_emit_test.rs",
-    "src/v3/compiler/tests/integration/m2_lens_idempotency_migration_test.rs",
-    "src/v3/compiler/tests/integration/m2_lens_provenance_migration_test.rs",
-    "src/v3/compiler/tests/integration/m2_lens_structural_resolution_migration_test.rs",
-    "src/v3/compiler/tests/integration/m2_lens_unused_parameters_migration_test.rs",
-    "src/v3/compiler/tests/integration/m2_lens_variant_payload_migration_test.rs",
-    "src/v3/compiler/tests/integration/m2_substrate_inhabitance_test.rs",
-    // T-Ground-LanguageSpec / R2-Substrate: Director-approved hand-Rust
-    // acceptance for `MethodTemplateContract` substrate carrier (PR #1175).
-    // Three structural claims over the regenerated bootstrap Dag —
-    // distinct-from-§6a-MethodContract, no-cost-data field set,
-    // per-target-list `dag_method` uniqueness (vacuous over zero rows
-    // today; load-bearing once Grounding's row-population PR lands).
-    // Dispatch explicitly accepted "focused Rust tests over the reflected
-    // substrate" rather than a parallel testgen harness; dissolves into
-    // .dag `TestClaim` form when the testgen path covers reflected-Dag
-    // structural assertions over std/ types.
-    // Method-declaration registry (R2 Substrate, follow-up to #1175 +
-    // #1186): Director-approved hand-Rust acceptance for the minimal
-    // method-name registry in `dsl/std/methods.dag` + `MethodRef` typed
-    // reference in `src/v3/std/methods.dag` + `MethodTemplateContract.
-    // dag_method` refinement from bare `DeclarationRef` to `MethodRef`.
-    // Four structural claims: registry covers all 64 algebra-template
-    // names (drift-detection), `MethodDeclaration` identity-only,
-    // `MethodTemplateContract.dag_method` field type points at
-    // `MethodRef`, `MethodRef` is a single-field decl wrapper.
-    // Dispatch (#1130) accepted hand-Rust acceptance over the reflected
-    // bootstrap. Dissolves into .dag `TestClaim` form when testgen
-    // covers reflected-Dag structural assertions over std/ types.
-    "src/v3/compiler/tests/integration/method_registry_test.rs",
-    "src/v3/compiler/tests/integration/method_template_contract_test.rs",
-    // Gunbc #1982 / §1.8 gate #97 — emit-shim retirement coherence (v2 tree vs Gap-4 producer).
-    "src/v3/compiler/tests/integration/method_template_projection_emit_shim_coherence_test.rs",
-    // R3 §1.8 gate #39 (`no_coercion_cost_dimension`, T-CostLens-Composition):
-    // `.dag` substrate ratchet — no parallel `CoercionCost` token outside comments.
-    "src/v3/compiler/tests/integration/no_coercion_cost_dimension_ratchet_test.rs",
-    "src/v3/compiler/tests/integration/pb1_bootstrap_full_snapshot_test.rs",
-    // R3 row 85 / PB #1560 Gap 4: focused acceptance for the
-    // `pb_method_template_projection` consumer hook. Stays hand-Rust
-    // alongside `method_template_contract_test.rs` until testgen covers
-    // reflected-Dag structural assertions over std/ row authorities.
-    "src/v3/compiler/tests/integration/pb_method_template_projection_test.rs",
-    "src/v3/compiler/tests/integration/pipe_desugar.rs",
-    // ctrl#1476 B5: positional-Conj fold_list-by-construction detection on emit-path language models.
-    // **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):** explicit
-    // deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** / `pb_rust_tests_outside_residual_zero`;
-    // dissolves when modeled `TestClaim` exercises emit-path grammar-relation token encode without
-    // this hand-Rust substring/parse ratchet.
-    "src/v3/compiler/tests/integration/positional_conj_fold_list_emit_path_test.rs",
-    // Prereq-X (call-on-field-access) blocker ratchet for fold_lens<C>
-    // consumer wiring (Prereq-3b dispatch on inbox #1141; audit at
-    // docs/design-prereq-x-ho-field-call.md / PR #1264). Pins the parser
-    // diagnostic shape of X1 (`w.f(x)`) and X3 (`= { let g = w.f; g(x) }`)
-    // so the ratchet flips red when the implementation lane lands; retired
-    // by the lane owner at the same time as the parser/lowerer change.
-    "src/v3/compiler/tests/integration/prereq_x_call_on_field_access_ratchet_test.rs",
-    // R1 release acceptance fixture: strict PB gate 3 plus Director-approved
-    // release deferral markers for the five concession-encoded gates.
-    // Dissolution trigger: R3 closes the named T-LensProducer-Retirement /
-    // T-PB-B bulk-migration lanes and this R1-only acceptance wrapper retires.
-    "src/v3/compiler/tests/integration/r1_release_acceptance_test.rs",
-    // R2 B5: Loop construction-closure structural gate (Tier 2 §5).
-    "src/v3/compiler/tests/integration/r2_b5_loop_construction_closure_test.rs",
-    // R3 §1.4 Class 2 / §1.8 row #61
-    // (`substrate_gap_function_valued_data_closed`): hand-Rust executable
-    // receipt for the narrowed gap-test ratified in Q-Class-2-Chain-Break
-    // option (a) and dispatched by
-    // `docs/briefs/r3-substrate-s1-gap-test-representative-worker.md`.
-    // P5 receipt: explicit deferral cites ROADMAP.md post-merge debt F8
-    // (`SymbolicCost` first-class `Semiring<SymbolicCost>` witness; function-
-    // valued data prerequisite) plus docs/r3-program-plan.md §1.8 row #61.
-    // This bounded host-side harness asserts "function-valued data is first-
-    // class" through public evaluator consumption; production code removes an
-    // opaque data-body scaffold and routes through existing substrate `Arrow`
-    // / `Callable`. Dissolves when §1.8 row #61 can be expressed as a `.dag`
-    // TestClaim over evaluator output without direct Rust DAG inspection.
-    "src/v3/compiler/tests/integration/r3_class_2_function_valued_data_test.rs",
-    // R3 T-Free-Consequences first batch: hand-Rust driver for five
-    // author-now/fire-later `BinaryDimensionReportEquals` TestClaims.
-    // Dissolves when generic DimensionReport<C> evaluation can execute
-    // the claims without a host-side integration harness.
-    "src/v3/compiler/tests/integration/r3_free_consequences_first_batch_test.rs",
-    // R3 T-Free-Consequences second batch: hand-Rust driver for five
-    // author-now/fire-later TestClaims over ordinary-lens loop parallelism and
-    // `BinaryDimensionReportEquals` cross-target cost optimization.
-    // Dissolves when generic runner coverage can execute the claims without a
-    // host-side integration harness.
-    "src/v3/compiler/tests/integration/r3_free_consequences_second_batch_test.rs",
-    // R3 gate #60 Phase 2.1 (`substrate_gap_parser_grammar_closed` parser slice): hermetic
-    // parse + lower receipts for angle-bracket width nat (`Int<64>`) surface; Self-Generation-0 P5 receipt.
-    "src/v3/compiler/tests/integration/r3_gate_60_phase2_width_nat_parser_test.rs",
-    // R3 gate #62 `substrate_gap_file_ingestion_closed` negative-bridge audit
-    // (supporting evidence; NOT a §Acceptance PASSING receipt — operator BLOCKING
-    // 2026-05-14T19:13:37Z held PASSING flip pending a positive
-    // ingestion-via-`FileAttachment` `.dag` demonstration). Pairs with the carrier
-    // ratchet `file_attachment_substrate_carrier_test.rs` + `gate_62_file_attachment_demo_record`
-    // (PR #2823) and the `FileAttachment` Refined-B-1 carrier in `src/v3/std/timing_lens.dag`.
-    // Hand-Rust because the predicate is over the workspace `.dag`/`.v3` file tree
-    // (filesystem walk + read) with comments / string literals stripped from each
-    // program body, distinct from grep-on-doc-comment textual-enforcement per
-    // `feedback_no_textual_enforcement_bridges`. T-PB-B deferral lane
-    // (`pb_rust_tests_outside_residual_zero`); dissolves when a `.dag` `TestClaim` /
-    // PB-B-1 runner can assert the file-tree audit fail-closed without a host-side
-    // filesystem walker, or when the gate flips PASSING via a positive ingestion
-    // demonstration and the carrier-reachability ratchets alone carry the audit.
-    "src/v3/compiler/tests/integration/r3_gate_62_file_ingestion_negative_bridge_audit_test.rs",
-    // R3 gate #87 (`lens_cementing_test_discipline_complete` / issue #2609): Rust receipts
-    // paired with `tests/dag/t_r3_gate_87_cementing_regen_*.dag` + `t_pb_b_1_dag_runner_test`
-    // until strict modules can freeze full `LensOutputEquals` carriers (M1(2.8)).
-    "src/v3/compiler/tests/integration/r3_gate_87_lens_cementing_regen_receipts_test.rs",
-    // R3 gate #90 (`lens_enforcement_carrier_landed`): bootstrap pins per-lens
-    // `LensEnforcement` / `EnforceableLens` substrate rows (T-LAS Slice B).
-    "src/v3/compiler/tests/integration/r3_gate_90_lens_enforcement_carrier_landed_test.rs",
-    // R3 gate #66 (`lens_producer_retirement_executable_witness`): focused receipt
-    // that the `.dag` PB census claim executes through `TestRunner` and reports
-    // the live lens-producer residual count while Row-4 / Item 4 retirement
-    // preconditions remain open.
-    "src/v3/compiler/tests/integration/r3_lens_producer_retirement_executable_witness_test.rs",
-    // PATH X / Brief 3 + ROADMAP `char_in_class` interpreter parity row (ASCII codegen vs evaluator).
-    "src/v3/compiler/tests/integration/r3_path_b_brief3_char_in_class_execution_test.rs",
-    // R3 PB Row-4 corpus seeds (1)–(2): hand-Rust driver for author-now/fire-later
-    // `DifferentialEquals(pb_runtime_evaluate, r2_evaluator_evaluate, …)` TestClaims.
-    // Dissolves when Row-4 producers land and the runner can execute the PB-Runtime /
-    // R2-Evaluator corpus comparison directly without this host-side harness.
-    "src/v3/compiler/tests/integration/r3_pb_runtime_evaluator_corpus_seed_test.rs",
-    // R3 gate #8 (`self_gen_non_test_zero`): host receipt proving the combined
-    // `EXPECTED_HAND_AUTHORED_NON_TEST` + `EXPECTED_HAND_AUTHORED_FRAGMENTS`
-    // state-check executes through `.dag` `TestRunner` claims while the live
-    // Self-Generation-0 residual counts remain nonzero.
-    "src/v3/compiler/tests/integration/r3_self_gen_non_test_zero_test.rs",
-    // R3 gate #64 substrate-plumbing receipt: hand-Rust driver for the
-    // non-canonical `.dag` residual-census receipt until the canonical
-    // PB-Runtime reflection consumer lands. P5 test-subset deferral:
-    // ROADMAP.md § "Nine lanes" row `T-PB-B` and § "Lane acceptance — .dag
-    // gates" row `T-PB-B` / `pb_rust_tests_outside_residual_zero`; dissolves
-    // when the generic TestClaim runner can execute the receipt without this
-    // host-side harness.
-    "src/v3/compiler/tests/integration/r3_substrate_gap_reflection_closure_test.rs",
-    // R3 gate #71 (`v3_self_host_demonstration`): `.dag` + `CARGO_BIN_EXE` splice for
-    // `ExecuteCommand(self_host_fixed_point, [--r3-gate-71-demonstration], 0)` — strict DB-8 slice
-    // (non-zero unless `compiler.dag` parses + `fixed_point_diff` ok). Unignored compile-only smoke
-    // + ignored end-to-end until v3 parses `compiler.dag` (T-FixedPoint promotion).
-    // Explicit P5 receipt (INVARIANTS.md P5 per-PR gate): net +1 Self-Generation-0 integration path;
-    // dissolution / deferral naming — ROADMAP.md § "Nine lanes" row `T-PB-B` /
-    // `pb_rust_tests_outside_residual_zero` and `docs/r3-program-plan.md` §1.8 gate #71 /
-    // `docs/r3-structure.md` §T-V2-Retirement; harness retires when equivalent obligations run as
-    // `.dag` data without this Rust splice or T-V2-Retirement closure ends the receipt class.
-    "src/v3/compiler/tests/integration/r3_v3_self_host_demonstration_dag_test.rs",
-    // R3 L4/L7/L5 skeleton + L7 enum-backed algebra-law matrix: hand-Rust receipt that Lane 1
-    // `DifferentialEquals` emit/eval pairing, Lane 1 `AlgebraicLaw` (`Associativity` /
-    // `Commutativity` / `Identity`) operational witnesses, and the T-V-L5-Corpus seed
-    // `ForAllTargets` Rust/Python/Go observation row Pass on honest Int rows only (trimmed matrix —
-    // not ROADMAP exhaustive L7/L5). Matrix rows pin enum-backed law receipts without adding
-    // missing-law variants. Explicit P5 deferral: this test entry belongs to ROADMAP.md § "Nine
-    // lanes" row `T-PB-B` and § "Lane acceptance — .dag gates" row `T-PB-B` /
-    // `pb_rust_tests_outside_residual_zero`; R3 tracks the same test-residual outcome as
-    // `docs/r3-structure.md` § T-Tests-As-Data-Completeness / gate #84. It dissolves when the
-    // generic TestClaim runner can execute these claims directly without this host-side harness.
-    // Retirement must also fold the L5 program-text bridge
-    // (`fixtures/r3_l5_corpus/*.v3` vs embedded `TestClaim.source` — byte equality ratchet in
-    // `tests/boundary/l5_cross_target_consistency.rs`).
-    "src/v3/compiler/tests/integration/r3_verification_l4_l7_l5_skeleton_test.rs",
-    "src/v3/compiler/tests/integration/self_gen0_census_test.rs",
-    "src/v3/compiler/tests/integration/self_gen1_tokenize_authority_test.rs",
-    "src/v3/compiler/tests/integration/self_gen2_parse_authority_test.rs",
-    "src/v3/compiler/tests/integration/self_gen2c1_parse_tables_authority_test.rs",
-    "src/v3/compiler/tests/integration/self_gen2c5_soft_keyword_ident_test.rs",
-    "src/v3/compiler/tests/integration/self_gen3_lower_parse_surface_stack_test.rs",
-    "src/v3/compiler/tests/integration/self_gen3_surface_reflection_consumer_test.rs",
-    "src/v3/compiler/tests/integration/self_gen6_hand_authored_census_test.rs",
-    "src/v3/compiler/tests/integration/self_gen7_prep_variant_payload_freshness_test.rs",
-    "src/v3/compiler/tests/integration/shape_a_target_source_filtering_authority_test.rs",
-    // R3 §1.8 gate #40 (`symbolic_cost_expr_equals_executable`,
-    // T-CostLens-Composition): mechanical ratchet pinning the executable
-    // dispatch arm + evaluator wiring in `test_runner.rs`, so accidental
-    // retirement back to the `NotYetImplemented` shell trips here. Wider
-    // pass/fail-closed receipts live in `m1_5_verification_test.rs`.
-    "src/v3/compiler/tests/integration/symbolic_cost_expr_equals_executable_ratchet_test.rs",
-    // §1.8 gate #106 (`show_correct_code_diagnostic_coverage`): structural bootstrap locks on
-    // `Correction` / substrate `Diagnostic` + one live-correction roundtrip anchor (`compile_to_dag`
-    // → `apply_correction_and_reparse` → clean recompile). **P5 receipt:** matching INVARIANTS.md
-    // Self-Generation-0 integration-test table row + this census literal land in the same PR — see row for
-    // `t_gate_106_show_correct_code_diagnostic_coverage_test.rs`.
-    "src/v3/compiler/tests/integration/t_gate_106_show_correct_code_diagnostic_coverage_test.rs",
-    // §1.8 gate #58 (`apply_lens_self_application_demonstrated`): Rust integration asserts the
-    // PB-1 `generated_full_bootstrap_dag()` snapshot carries the std witness + zero bootstrap
-    // diagnostics (timing `EnforcedApplication` row in `t_ci_workflow_as_data_demo.dag`).
-    //
-    // **P5 receipt (INVARIANTS.md §P5 per-PR gate — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):**
-    // explicit deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-    // `pb_rust_tests_outside_residual_zero` (tests-as-data / Pure Bootstrap test floor), same
-    // structural class as co-listed `t_ci_workflow_as_data_demo_test.rs` and
-    // `t_las_complexity_contract_compile_error_test.rs`: the obligation is still discharged via a
-    // hand-maintained Rust harness until the generic `.dag` `TestClaim` runner can assert the same
-    // bootstrap facts without this file. Lane context: **T-Lens-Self-Application** /
-    // `apply_lens_self_application_demonstrated` (`docs/r3-structure.md`, `docs/r3-program-plan.md`
-    // §1.8 gate #58). Dissolution: delete this path from the census when the receipt ports to a
-    // `.dag` TestClaim (or a generated test) with no remaining Self-Generation-0 hand-authored test delta.
-    "src/v3/compiler/tests/integration/t_gate_58_apply_lens_self_application_test.rs",
-    "src/v3/compiler/tests/integration/t_impossiblebugs_unenumerated_effects_test.rs",
-    "src/v3/compiler/tests/integration/t_las_complexity_contract_compile_error_test.rs",
-    "src/v3/compiler/tests/integration/t_las_crdt_cost_basis_demo_test.rs",
-    // R3 §1.8 gate #95 (`opt_in_iteration_parallelism_via_lens_application_demonstrated`).
-    "src/v3/compiler/tests/integration/t_las_parallelism_iteration_gate95_demo_test.rs",
-    // §1.8 gate #88 (`lens_application_carrier_landed`): bootstrap field / arity locks for
-    // `EnforcedApplication` + `IntrospectApplication` in `src/v3/std/lens_application.dag`.
-    "src/v3/compiler/tests/integration/t_lens_application_carrier_test.rs",
-    // T-PB-B-1 `tests/dag` runner table; gate #74 + #87 cementing regen suites; R3 Cluster M #84
-    // R1C-D/E runner receipts (co-located harness).
-    //
-    // **P5(b) / Self-Generation-0 accounting (#2715 pilot — not gate #84 closure):** the merge-visible
-    // receipt is **−3** paths removed from this list (deleted `r1c_*_gates*_test.rs` shims).
-    // R1C-D/E **predicates** live in `.dag` (`tests/dag/t_r1c_d_pb_census_gates.dag`,
-    // `r1c_e_emit_gates*.template.dag`); Rust here is runner-only (`compile_to_dag` +
-    // `TestRunner`), same structural class as gate #74 — consolidation must not be read as
-    // Pure Bootstrap / T-PB-B "zero hand-maintained Rust" progress. Gate #84 /
-    // `every_rust_test_ports_to_dag_or_generated` dissolution stays under ROADMAP T-PB-B +
-    // `docs/r3-structure.md` § T-Tests-As-Data-Completeness until `EXPECTED_HAND_AUTHORED_TEST`
-    // reaches zero.
-    "src/v3/compiler/tests/integration/t_pb_b_1_dag_runner_test.rs",
-    // TC1 substrate lens eta-equivalence (deferred / R2 research): integration for
-    // `SubstrateResearchDeferredClaim` + `tc1_substrate_lens_eta_equivalence_deferred.dag`.
-    // Self-Generation-0 path ratchet: Director sign-off (gunb-ai/gunbc#1130, comment 4341571168;
-    // direction ratified for #1179, comment 4341788769; mechanical checklist c4341800724;
-    // cycle-5 merge hygiene gunb-ai/gunbc#1142 c4341940508).
-    "src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_deferred_test.rs",
-    // TC1 V1 strict-fire — §1.8 gate #11 (`tc1_eta_equivalence_executable`); Q-PAFS Path A
-    // (E6-G1.a static representative) per Director ratification cascade 2026-05-06/07.
-    "src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_strict_fire_test.rs",
-    // TC2 strict-fire — §1.8 gate #12 (`tc2_church_rosser_executable`); Church-Rosser /
-    // strategy-order `BinaryDimensionReportEquals` pairing per `r3-v-pattern-a-tc2-v1-worker.md`.
-    "src/v3/compiler/tests/integration/tc2_church_rosser_strict_fire_test.rs",
-    "src/v3/compiler/tests/integration/tc3_strong_normalization_deferred_test.rs",
-    // TC3 strict-fire — §1.8 gate #13 (`tc3_pattern_a_second_mover_executable`); strong-
-    // normalization / Pattern-A second-mover `BinaryDimensionReportEquals` pairing per
-    // `r3-v-pattern-a-tc3-v1-worker.md` (two-stage gate; PASSING gated on T-FixedPoint stage (b)).
-    "src/v3/compiler/tests/integration/tc3_strong_normalization_strict_fire_test.rs",
-    "src/v3/compiler/tests/integration/test_runner_test.rs",
-    "src/v3/compiler/tests/integration/thesis_parallelism_test.rs",
-    "src/v3/compiler/tests/integration/thesis_validation_test.rs",
-    "src/v3/compiler/tests/integration/timing_lens_substrate_carrier_test.rs",
-    // R3 T-V2-Retirement §1.8 gate #41 (`v2_oracle_no_remaining_test_consumers`): comment-aware
-    // source ratchet — no `v2-compiler` crate references outside `src/v2/`.
-    "src/v3/compiler/tests/integration/v2_oracle_no_remaining_test_consumers_test.rs",
-    // White-box sweep (#4511 + B7 closeout): all v4_*_dag_smoke_test.rs retired — last row
-    // `v4_bin_main_dag_smoke_test.rs` deleted (B-class decl-shape/source-grep duplicate of
-    // t15 harness; parse rides `claim_t15_self_host_fixed_point.dag` import of v4.bin.main).
-    // T-22: eval dispatch runner fail-closed receipts (pairs with `emit_host_eval.rs` NON_TEST row).
-    // **P5 receipt (INVARIANTS.md §P5 Mechanism (b) — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST`):**
-    // explicit deferral ROADMAP `T-PB-B` / `pb_rust_tests_outside_residual_zero` plus
-    // `emit_host.dag` T-22 rust eval intercept; dissolves when `.dag` TestClaim execution
-    // replaces host-runner receipts.
-    "src/v3/compiler/tests/integration/v4_emit_host_eval_dispatch_test.rs",
-    // W2 / T-38 rung-4 host harness: behavior-driven `tools/emit_host_runner` + `.dag` surface
-    // needles (`emit_host.dag`, `host_run.dag`, `test_claim_falsification.dag`).
-    // **PR #4063 W3.4 (+0 paths):** extends harness with python transport + rung-6 additive-Monoid
-    // MVP-2 bridge proofs (law×target); `emit_host_bridge.rs` python row (+0 NON_TEST — #4047).
-    // **PR #4167 Python L1/L2 (+0 paths):** extends same harness with rung-5 python law roster
-    // transport, worksheet-B falsification probes, L1 claim parse surface; pairs with
-    // `scripts/v4-nat-semiring-python-runtime-gate.sh` chained from acceptance gate.
-    // **PR #4222 Python L1 fixture coverage (+0 paths):** same-path assertion-list expansion
-    // for `l1_python_runtime.dag` coverage + six per-law runtime claim rows.
-    // **PR #4229 Go L1 (+0 paths):** extends same harness with `go_l1_nat_semiring_l1_compiler_slice`
-    // compiler-slice claim parse surface; pairs with
-    // `scripts/v4-nat-semiring-go-compiler-slice-gate.sh` chained from acceptance gate.
-    // **PR #4285 Go L1 strict setup (+0 paths):** same-path assertion-list expansion verifies
-    // the parent acceptance gate fails closed when
-    // `V4_NAT_SEMIRING_GO_COMPILER_SLICE_GATE_STRICT=1` and `go`/`gofmt` are missing.
-    // Dissolve with the same generated/TestClaim host setup receipt as #4229.
-    // Self-Generation-0 + INVARIANTS §P5(b) receipt (PR body Mechanism (b) block). Deferral:
-    // `ROADMAP.md` § **Nine lanes** row **T-PB-B** / `pb_rust_tests_outside_residual_zero`.
-    "src/v3/compiler/tests/integration/v4_emit_host_harness_test.rs",
-    // T-4.7 React framework substrate single-file smoke deleted: the live v4 full-tree
-    // rust emit probe now fail-closes on `gunbc compile --source-root src/v4 --target rust`
-    // with a 0-diagnostic receipt, covering `src/v4/extdeps/frameworks/react.dag` without
-    // a weaker v3 `compile_to_dag` oracle.
-    // P9 single-owner: corpus scan for `fn llvm_instruction_cost` under src/v4/ (replaces dissolved
-    // v4_lens_cost_dag_smoke_test.rs ratchet). Self-Generation-0 + INVARIANTS §P5(b) receipt.
-    "src/v3/compiler/tests/integration/v4_p9_llvm_instruction_cost_single_owner_test.rs",
-    // W3 B-class delete (operator 2026-06-07: declaration-shape tests are dual-representations of
-    // our own std structure — change-detectors with zero external-oracle coverage; correctness-by-
-    // construction, not 2FA-for-code). The three v4_std_{grounding,model_core,target_realization}_dag
-    // smoke files (44 parse-surface/source-grep receipts) are DELETED, not deferred. Their two
-    // behavioral receipts are migrated to mutation-proven .dag claim-run witnesses via glob_discovery:
-    //   - src/v4/test/claim/std_model_core/bool_fact_lookup.dag (also retires the hand-Rust MIRROR
-    //     helper bool_fact_axis_dispatch — a tautology that re-stated the fold in Rust); and
-    //   - src/v4/test/claim/std_grounding/terminal_gate.dag.
-    // No INVARIANTS.md per-file rows exist for these (the §P5(b) references were the general gate).
-    // Host-test preservation justification (W1-W4 qualifying bar — provably runtime-inexpressible):
-    // non-behavioral: asserts type-ABSENCE of ByteString/FileBody/FileContent/TargetSource in
-    // text.dag — no runtime witness can express type-non-existence. (Behavioral content folded
-    // to discriminating .dag witnesses in src/v4/test/claim/std_text/carrier_claims.dag.)
-    // Dissolves when a .dag/host mechanism asserts a module's declared-type set as data.
-    "src/v3/compiler/tests/integration/v4_std_text_boundary_carrier_guard_test.rs",
-    // T-15: bin/main.dag execution + bootstrap fixpt stage1==stage2 harness (`t_15_self_host_fixed_point`).
-    "src/v3/compiler/tests/integration/v4_t15_self_host_fixed_point_harness_test.rs",
-    // T-19/T-20 closeout ratchets over v4 testgen + bootstrap-infra parse surfaces.
-    // PR #4295 (+0 paths): `check_t19_testgen_activation` same-path expansion —
-    // Rust migration of `scripts/check_t19_testgen_activation.py` (deleted #4252).
-    // PR #4335 (+0 paths): `rr_a_step2_bootstrap_evaluator_corpus_harness_entry` RR-A §5.2
-    // bootstrap harness parse-surface ratchet (ROADMAP.md:43,63 T-PB-B deferral).
-    // Self-Generation-0 + INVARIANTS §P5(b) receipt; dissolves when the same checks are `.dag`
-    // TestClaims or generated harness coverage (ROADMAP.md T-PB-B row).
-    "src/v3/compiler/tests/integration/v4_test_bootstrap_infra_closeout_test.rs",
-    // §1.8 gate #96 (`value_body_substrate_mirror_isomorphism_executable`):
-    // CI-visible generated Rust `ValueBody` mirror vs `substrate.dag`
-    // constructor isomorphism. Dissolves when `ValueBody` no longer has a
-    // Rust mirror or when this assertion is expressible as a `.dag` TestClaim.
-    "src/v3/compiler/tests/integration/value_body_substrate_mirror_isomorphism_test.rs",
-    // R2-Substrate Prereq-3a (`workflow_root_port` accessor + `WorkflowRoot`
-    // sum) per merged audit `docs/design-lens-fold-prerequisites.md`.
-    // Director-locked α: last topological `Bind`. Three integration
-    // claims exercise the `SingleRoot` single/multi cases and the
-    // unreachable-under-α ambiguous drift trigger; the zero-Bind
-    // `NoRoot` case lives as a unit test in `dag.rs` (crate-private
-    // `Dag::empty` constructor). Dispatch (#1130) accepted hand-Rust
-    // acceptance over real `compile_to_dag` fixtures; dissolves into
-    // `.dag` `TestClaim` form when testgen covers compile-and-fold
-    // structural assertions.
-    "src/v3/compiler/tests/integration/workflow_root_port_test.rs",
-    // R3 §1.8 gate #53 `workflow_substrate_carriers_landed` structural
-    // ratchet: locks Slice 1 β-ratified carriers (`WorkflowSecret`,
-    // `SecretScope`, `CronSchedule`, `CronField`) against the full
-    // bootstrap Dag. Sibling shape to gate #62
-    // `file_attachment_substrate_carrier_test.rs`. Dissolves into
-    // `.dag` `TestClaim` form when testgen covers structural-shape
-    // assertions over substrate carriers.
-    "src/v3/compiler/tests/integration/workflow_substrate_carriers_test.rs",
-];
-
-// Non-`.rs` scaffold fragments under `src/v3/compiler/` that are
-// hand-authored and text-inlined into generated Rust (or otherwise
-// dissolve when the corresponding `.dag` authority lands). The
-// `.rs`-only census above cannot see these — a scaffold that renames
-// itself `foo.txt` would silently escape the ratchet otherwise.
-// Every entry here names a dissolution trigger in its own file header.
-// Sorted; one path per line, relative to the workspace root.
-const EXPECTED_HAND_AUTHORED_FRAGMENTS: &[&str] = &[
-    "src/v3/compiler/parse_parser_body.txt",
-    "src/v3/compiler/src/lens_testgen_body.txt",
-];
-
-// Non-`.rs` files under `src/v3/compiler/` whose content is produced
-// by a named generator (an `#[ignore]`'d refresh test, a `regen_*`
-// binary, etc.) rather than hand-edited. Listed explicitly so the
-// fragments walker can partition without content sniffing (which the
-// `self_gen0_generated_partition_is_producer_owned` probe forbids for
-// `.rs`; the same discipline applies here).
-const EXPECTED_GENERATED_FRAGMENTS: &[&str] = &[
-    // Produced by `cargo test refresh_handwritten_parse_snapshot_manifest -- --ignored`.
-    "src/v3/compiler/tests/integration/parse_corpus_manifest.txt",
-];
-
-pub(crate) fn expected_hand_authored_non_test_count() -> usize {
-    EXPECTED_HAND_AUTHORED_NON_TEST.len()
-}
-
-pub(crate) fn expected_hand_authored_fragments_count() -> usize {
-    EXPECTED_HAND_AUTHORED_FRAGMENTS.len()
-}
-
-#[derive(Clone, Copy, Debug, Eq, Ord, PartialEq, PartialOrd)]
-enum TestsAsDataMigrationClass {
-    CompileOrReject,
-    LensOutputEquality,
-    BehavioralObservation,
-    BoundaryHostProcess,
-    CementingV2Oracle,
-    CensusOrRatchet,
-    PropertyBased,
-}
-
-// R1C-D `pb_test_file_generated_from_dag`: `GeneratedFromDag` manifest vs
-// `GENERATED_FILES` set-equality (both `PendingFact` and `ResolvedFact` arms)
-// is enforced in `test_runner::eval_generated_from_dag_shape` when the `.dag`
-// suite runs (`t_pb_b_1_dag_runner_test::r1c_d_pb_census_gates_suite_evaluates_through_runner`).
-// Do not duplicate that obligation with a string-scrape test here (P5 + sum-shape drift).
-
-// Transitional gate #84 audit only. As each class migrates to `.dag`
-// `TestClaim` data, remove that class's path matcher branch with the
-// retired Rust paths; when `EXPECTED_HAND_AUTHORED_TEST` reaches zero,
-// this classifier should disappear with it.
-// Match order is load-bearing while this exists: check classification
-// before deleting or reordering a branch, especially broad substring
-// branches such as `contains("sg")`.
-fn tests_as_data_migration_class(path: &str) -> Option<TestsAsDataMigrationClass> {
-    use TestsAsDataMigrationClass::*;
-
-    if path.starts_with("src/v3/compiler/tests/boundary/") {
-        return Some(BoundaryHostProcess);
-    }
-
-    if path.contains("/cementing/")
-        || path.ends_with("lens_behavioral_parity_demonstration_test.rs")
-        || path.ends_with("r3_gate_87_lens_cementing_regen_receipts_test.rs")
-    {
-        return Some(CementingV2Oracle);
-    }
-
-    if path.contains("census")
-        || path.contains("ratchet")
-        || path.contains("bridge")
-        || path.contains("sg")
-        || path.contains("r1c_")
-        || path.contains("v2_oracle")
-        || path.contains("value_body_substrate_mirror")
-        || path.contains("lens_producer_retirement")
-    {
-        return Some(CensusOrRatchet);
-    }
-
-    if path.contains("free_consequences")
-        || path.contains("tc1_")
-        || path.contains("tc2_")
-        || path.contains("tc3_")
-    {
-        return Some(PropertyBased);
-    }
-
-    if path.contains("lens")
-        || path.contains("cost")
-        || path.contains("parallelism")
-        || path.contains("timing")
-        || path.contains("workflow")
-        || path.contains("e6_g1a")
-        || path.contains("lane2_stage_2d")
-    {
-        return Some(LensOutputEquality);
-    }
-
-    if path.contains("anthropic")
-        || path.contains("operation")
-        || path.contains("services")
-        || path.contains("omni")
-        || path.contains("openapi")
-        || path.contains("runtime_evaluator_corpus")
-        || path.contains("self_host_demonstration")
-        || path.contains("t_ci_workflow_as_data_demo")
-        || path.contains("pb1_bootstrap_full_snapshot")
-    {
-        return Some(BehavioralObservation);
-    }
-
-    if path.starts_with("src/v3/compiler/tests/integration/")
-        || path.starts_with("src/v3/compiler/tests/determinism_test.rs")
-        || path.starts_with("src/v3/compiler/tests/integration.rs")
-    {
-        return Some(CompileOrReject);
-    }
-
-    None
-}
-
-fn is_test_path(path: &str) -> bool {
-    path.starts_with("src/v3/compiler/tests/")
-}
-
-fn expected_hand_authored_rs() -> BTreeSet<String> {
-    EXPECTED_HAND_AUTHORED_NON_TEST
-        .iter()
-        .chain(EXPECTED_HAND_AUTHORED_TEST.iter())
-        .map(|p| (*p).to_string())
-        .collect()
-}
-
-fn workspace_root() -> PathBuf {
-    // CARGO_MANIFEST_DIR points at src/v3/compiler/. ancestors():
-    //   [0] src/v3/compiler
-    //   [1] src/v3
-    //   [2] src
-    //   [3] workspace root
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    manifest_dir
-        .ancestors()
-        .nth(3)
-        .expect("workspace root is three ancestors above src/v3/compiler/")
-        .to_path_buf()
-}
-
-fn walk_rs(root: &Path, ws: &Path, out: &mut BTreeSet<String>) {
-    let entries = fs::read_dir(root).unwrap_or_else(|e| panic!("read_dir {}: {e}", root.display()));
-    for entry in entries {
-        let entry = entry.expect("read_dir entry");
-        let path = entry.path();
-        if path.is_dir() {
-            // `target/` holds Cargo build output — never part of the
-            // census. Skip regardless of whether it lives at the
-            // workspace root (default) or inside the crate (custom
-            // CARGO_TARGET_DIR or local configurations).
-            if path.file_name() == Some(OsStr::new("target")) {
-                continue;
-            }
-            walk_rs(&path, ws, out);
-        } else if path.extension() == Some(OsStr::new("rs")) {
-            let rel = path
-                .strip_prefix(ws)
-                .expect("census walk stays inside workspace")
-                .to_string_lossy()
-                .replace('\\', "/");
-            out.insert(rel);
-        }
-    }
-}
-
-fn walk_txt(root: &Path, ws: &Path, out: &mut BTreeSet<String>) {
-    let entries = fs::read_dir(root).unwrap_or_else(|e| panic!("read_dir {}: {e}", root.display()));
-    for entry in entries {
-        let entry = entry.expect("read_dir entry");
-        let path = entry.path();
-        if path.is_dir() {
-            if path.file_name() == Some(OsStr::new("target")) {
-                continue;
-            }
-            walk_txt(&path, ws, out);
-        } else if path.extension() == Some(OsStr::new("txt")) {
-            let rel = path
-                .strip_prefix(ws)
-                .expect("census walk stays inside workspace")
-                .to_string_lossy()
-                .replace('\\', "/");
-            out.insert(rel);
-        }
-    }
-}
-
-fn compiler_dag_source() -> String {
-    let path = workspace_root().join("dsl/gunbc/compiler.dag");
-    fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()))
-}
-#[test]
-fn self_gen0_v3_hand_authored_census() {
-    let ws = workspace_root();
-    let census_root = ws.join(CENSUS_ROOT);
-    assert!(
-        census_root.is_dir(),
-        "v3 census root must exist at {}",
-        census_root.display()
-    );
-
-    let mut all_rs: BTreeSet<String> = BTreeSet::new();
-    walk_rs(&census_root, &ws, &mut all_rs);
-
-    let generated: BTreeSet<String> = GENERATED_FILES.iter().map(|p| (*p).to_string()).collect();
-    let hand_authored: BTreeSet<String> = all_rs.difference(&generated).cloned().collect();
-
-    let expected = expected_hand_authored_rs();
-
-    if hand_authored == expected {
-        return;
-    }
-
-    let added: Vec<&str> = hand_authored
-        .difference(&expected)
-        .map(String::as_str)
-        .collect();
-    let removed: Vec<&str> = expected
-        .difference(&hand_authored)
-        .map(String::as_str)
-        .collect();
-
-    let mut msg = String::from(
-        "Self-Generation-0 census drift: observed hand-authored set does not match \
-         EXPECTED_HAND_AUTHORED_NON_TEST ∪ EXPECTED_HAND_AUTHORED_TEST.\n\n",
-    );
-    if !added.is_empty() {
-        msg.push_str("New hand-authored .rs files (the SG program forbids adding these):\n");
-        for p in &added {
-            msg.push_str("  + ");
-            msg.push_str(p);
-            msg.push('\n');
-        }
-        msg.push_str(
-            "\nFix: port the logic to .dag and remove the .rs, or reduce the file\n\
-             to a narrow host shim and add its path to REGEN_OUTPUTS in\n\
-             src/v3/compiler/build.rs (the shim must be written by a producer —\n\
-             a hand-authored `// AUTO-GENERATED` header does not count).\n\
-             Last resort: add the path to the matching EXPECTED_HAND_AUTHORED_* \
-             sub-ratchet with a\n\
-             director-approved receipt.\n\n",
-        );
-    }
-    if !removed.is_empty() {
-        msg.push_str("Retired .rs files (great — an SG reduction!):\n");
-        for p in &removed {
-            msg.push_str("  - ");
-            msg.push_str(p);
-            msg.push('\n');
-        }
-        msg.push_str(
-            "\nFix: remove these entries from the matching EXPECTED_HAND_AUTHORED_* \
-             sub-ratchet in\n\
-             src/v3/compiler/tests/integration/self_gen0_census_test.rs.\n",
-        );
-    }
-    panic!("{msg}");
-}
-
-#[test]
-fn self_gen0_expected_list_is_sorted_and_unique() {
-    for (label, list) in [
-        (
-            "EXPECTED_HAND_AUTHORED_NON_TEST",
-            EXPECTED_HAND_AUTHORED_NON_TEST,
-        ),
-        ("EXPECTED_HAND_AUTHORED_TEST", EXPECTED_HAND_AUTHORED_TEST),
-    ] {
-        let mut prev: Option<&str> = None;
-        for p in list {
-            if let Some(pv) = prev {
-                assert!(
-                    pv < *p,
-                    "{label} must be sorted ASCII-ascending and unique; \
-                     `{pv}` is not strictly less than `{p}`"
-                );
-            }
-            prev = Some(p);
-        }
-    }
-    let non_test: BTreeSet<&str> = EXPECTED_HAND_AUTHORED_NON_TEST.iter().copied().collect();
-    let test: BTreeSet<&str> = EXPECTED_HAND_AUTHORED_TEST.iter().copied().collect();
-    let overlap: Vec<&&str> = non_test.intersection(&test).collect();
-    assert!(
-        overlap.is_empty(),
-        "EXPECTED_HAND_AUTHORED_NON_TEST and EXPECTED_HAND_AUTHORED_TEST must be disjoint; \
-         overlap: {overlap:?}"
-    );
-}
-
-#[test]
-fn self_gen0_expected_rs_entries_match_test_partition() {
-    let misplaced_non_test: Vec<&str> = EXPECTED_HAND_AUTHORED_NON_TEST
-        .iter()
-        .copied()
-        .filter(|p| is_test_path(p))
-        .collect();
-    assert!(
-        misplaced_non_test.is_empty(),
-        "T-PB-A non-test ratchet must not include test paths; move these to \
-         EXPECTED_HAND_AUTHORED_TEST: {misplaced_non_test:?}"
-    );
-
-    let misplaced_test: Vec<&str> = EXPECTED_HAND_AUTHORED_TEST
-        .iter()
-        .copied()
-        .filter(|p| !is_test_path(p))
-        .collect();
-    assert!(
-        misplaced_test.is_empty(),
-        "T-PB-B test ratchet must only include paths under src/v3/compiler/tests/; \
-         move these to EXPECTED_HAND_AUTHORED_NON_TEST: {misplaced_test:?}"
-    );
-}
-
-#[test]
-fn self_gen0_v3_non_test_hand_authored_subratchet() {
-    let ws = workspace_root();
-    let census_root = ws.join(CENSUS_ROOT);
-
-    let mut all_rs: BTreeSet<String> = BTreeSet::new();
-    walk_rs(&census_root, &ws, &mut all_rs);
-
-    let generated: BTreeSet<String> = GENERATED_FILES.iter().map(|p| (*p).to_string()).collect();
-    let hand_authored: BTreeSet<String> = all_rs.difference(&generated).cloned().collect();
-    let observed: BTreeSet<String> = hand_authored
-        .iter()
-        .filter(|p| !is_test_path(p))
-        .cloned()
-        .collect();
-    let expected: BTreeSet<String> = EXPECTED_HAND_AUTHORED_NON_TEST
-        .iter()
-        .map(|p| (*p).to_string())
-        .collect();
-
-    assert_eq!(
-        observed, expected,
-        "T-PB-A non-test Self-Generation-0 sub-ratchet drifted. Retirements should be removed \
-         from EXPECTED_HAND_AUTHORED_NON_TEST; new non-test hand-Rust needs director \
-         sign-off."
-    );
-}
-
-#[test]
-fn self_gen0_v3_test_hand_authored_subratchet() {
-    let ws = workspace_root();
-    let census_root = ws.join(CENSUS_ROOT);
-
-    let mut all_rs: BTreeSet<String> = BTreeSet::new();
-    walk_rs(&census_root, &ws, &mut all_rs);
-
-    let generated: BTreeSet<String> = GENERATED_FILES.iter().map(|p| (*p).to_string()).collect();
-    let hand_authored: BTreeSet<String> = all_rs.difference(&generated).cloned().collect();
-    let observed: BTreeSet<String> = hand_authored
-        .iter()
-        .filter(|p| is_test_path(p))
-        .cloned()
-        .collect();
-    let expected: BTreeSet<String> = EXPECTED_HAND_AUTHORED_TEST
-        .iter()
-        .map(|p| (*p).to_string())
-        .collect();
-
-    assert_eq!(
-        observed, expected,
-        "T-PB-B test Self-Generation-0 sub-ratchet drifted. Retirements should be removed from \
-         EXPECTED_HAND_AUTHORED_TEST; new Rust-authored tests must match the TESTING.md \
-         residual or wait for the testgen path."
-    );
-}
-
-/// ctrl#1467 §6.4 — the `v4_*_dag_smoke_test.rs` parse-surface subset is **closed to
-/// growth**. These hand-authored Rust tests `parse_for_test` a v4 model file and assert
-/// structural shape against the v3 compiler's internal parse surface — a layering/opacity
-/// inversion (see `gunbc-planning/v4-testclaim-route-through-v2-not-v3-2026-06-05.md`). New
-/// v4 coverage must land as a `.dag` `TestClaim` witness under `src/v4/test/claim/`, run
-/// through **v2** (`dag run --claim-run`), **not** as a new `EXPECTED_HAND_AUTHORED_TEST`
-/// entry. This subset may only **shrink** as smokes are re-homed as witnesses; it must never
-/// grow. Lowering the ceiling on retirement is the normal path; raising it is the regression
-/// this guard fails closed on.
-#[test]
-fn v4_parse_surface_smoke_roster_is_closed_to_growth() {
-    // Pinned to the live count (ctrl#1467 §6.4). Retirements lower this; nothing raises it.
-    // 18 (ratification) → 0 after W-wave fold-deletes + B7 closeout: #4511 broader-corpus
-    // sweep, W3 #4512 std trio, React smoke, and final bin_main B-class delete. Subset is
-    // empty; a new v4 parse-surface smoke must instead land as a .dag claim-run witness.
-    const V4_DAG_SMOKE_CEILING: usize = 0;
-    let v4_dag_smokes: Vec<&str> = EXPECTED_HAND_AUTHORED_TEST
-        .iter()
-        .copied()
-        .filter(|p| {
-            p.starts_with("src/v3/compiler/tests/integration/v4_")
-                && p.ends_with("_dag_smoke_test.rs")
-        })
-        .collect();
-    assert!(
-        v4_dag_smokes.len() <= V4_DAG_SMOKE_CEILING,
-        "v4_*_dag_smoke_test.rs roster grew to {} (ceiling {V4_DAG_SMOKE_CEILING}). \
-         ctrl#1467 §6.4: new v4 coverage must be a `.dag` `TestClaim` witness under \
-         src/v4/test/claim/ run through v2 — not a new hand-authored v3 parse-surface smoke. \
-         This subset is closed to growth; it may only shrink as smokes are re-homed as witnesses.\n\
-         Offending roster: {v4_dag_smokes:#?}",
-        v4_dag_smokes.len(),
-    );
-}
-
-#[test]
-fn self_gen0_tests_as_data_migration_audit_classifies_test_ratchet() {
-    let mut by_class: BTreeMap<TestsAsDataMigrationClass, Vec<&str>> = BTreeMap::new();
-    let mut unclassified = Vec::new();
-
-    for path in EXPECTED_HAND_AUTHORED_TEST {
-        match tests_as_data_migration_class(path) {
-            Some(class) => by_class.entry(class).or_default().push(*path),
-            None => unclassified.push(*path),
-        }
-    }
-
-    assert!(
-        unclassified.is_empty(),
-        "gate #84 migration audit must classify every hand-authored test path; \
-         unclassified paths: {unclassified:?}"
-    );
-
-    for class in [
-        TestsAsDataMigrationClass::CompileOrReject,
-        TestsAsDataMigrationClass::LensOutputEquality,
-        TestsAsDataMigrationClass::BehavioralObservation,
-        TestsAsDataMigrationClass::BoundaryHostProcess,
-        TestsAsDataMigrationClass::CementingV2Oracle,
-        TestsAsDataMigrationClass::CensusOrRatchet,
-        TestsAsDataMigrationClass::PropertyBased,
-    ] {
-        assert!(
-            by_class.get(&class).is_some_and(|paths| !paths.is_empty()),
-            "gate #84 migration audit lost class coverage for {class:?}"
-        );
-    }
-}
-
-#[test]
-fn self_gen0_v3_non_test_fragment_subratchet() {
-    let misplaced_fragments: Vec<&str> = EXPECTED_HAND_AUTHORED_FRAGMENTS
-        .iter()
-        .copied()
-        .filter(|p| is_test_path(p))
-        .collect();
-    assert!(
-        misplaced_fragments.is_empty(),
-        "EXPECTED_HAND_AUTHORED_FRAGMENTS is part of T-PB-A's non-test ratchet; \
-         test fragments need a separate T-PB-B fragment authority before being added: \
-         {misplaced_fragments:?}"
-    );
-
-    let ws = workspace_root();
-    let census_root = ws.join(CENSUS_ROOT);
-
-    let mut all_txt: BTreeSet<String> = BTreeSet::new();
-    walk_txt(&census_root, &ws, &mut all_txt);
-
-    let observed: BTreeSet<String> = all_txt
-        .iter()
-        .filter(|p| !is_test_path(p) && !EXPECTED_GENERATED_FRAGMENTS.contains(&p.as_str()))
-        .cloned()
-        .collect();
-    let expected: BTreeSet<String> = EXPECTED_HAND_AUTHORED_FRAGMENTS
-        .iter()
-        .map(|p| (*p).to_string())
-        .collect();
-
-    assert_eq!(
-        observed, expected,
-        "T-PB-A non-test Self-Generation-0 fragment sub-ratchet drifted. Retirements should be \
-         removed from EXPECTED_HAND_AUTHORED_FRAGMENTS; new scaffold fragments must \
-         name a dissolution trigger."
-    );
-}
-
-#[test]
-fn self_gen0_expected_fragment_lists_are_sorted_and_unique() {
-    for (label, list) in [
-        (
-            "EXPECTED_HAND_AUTHORED_FRAGMENTS",
-            EXPECTED_HAND_AUTHORED_FRAGMENTS,
-        ),
-        ("EXPECTED_GENERATED_FRAGMENTS", EXPECTED_GENERATED_FRAGMENTS),
-    ] {
-        let mut prev: Option<&str> = None;
-        for p in list {
-            if let Some(pv) = prev {
-                assert!(
-                    pv < *p,
-                    "{label} must be sorted ASCII-ascending and unique; \
-                     `{pv}` is not strictly less than `{p}`"
-                );
-            }
-            prev = Some(p);
-        }
-    }
-    let hand: BTreeSet<&str> = EXPECTED_HAND_AUTHORED_FRAGMENTS.iter().copied().collect();
-    let gen: BTreeSet<&str> = EXPECTED_GENERATED_FRAGMENTS.iter().copied().collect();
-    let overlap: Vec<&&str> = hand.intersection(&gen).collect();
-    assert!(
-        overlap.is_empty(),
-        "EXPECTED_HAND_AUTHORED_FRAGMENTS and EXPECTED_GENERATED_FRAGMENTS must be disjoint; \
-         overlap: {overlap:?}"
-    );
-}
-
-#[test]
-fn self_gen0_v3_hand_authored_txt_fragments() {
-    // Ratchet for non-`.rs` scaffold fragments under `src/v3/compiler/`.
-    // Any `.txt` file found under the census root must be named in
-    // either `EXPECTED_HAND_AUTHORED_FRAGMENTS` (scaffold, on the SG
-    // paydown backlog) or `EXPECTED_GENERATED_FRAGMENTS` (produced by
-    // a named generator). A `.txt` that looks like hand-authored Rust
-    // moved out of a `.rs` file would otherwise escape the `.rs`-only
-    // ratchet above.
-    let ws = workspace_root();
-    let census_root = ws.join(CENSUS_ROOT);
-
-    let mut all_txt: BTreeSet<String> = BTreeSet::new();
-    walk_txt(&census_root, &ws, &mut all_txt);
-
-    let expected_all: BTreeSet<String> = EXPECTED_HAND_AUTHORED_FRAGMENTS
-        .iter()
-        .chain(EXPECTED_GENERATED_FRAGMENTS.iter())
-        .map(|p| (*p).to_string())
-        .collect();
-
-    if all_txt == expected_all {
-        return;
-    }
-
-    let added: Vec<&str> = all_txt
-        .difference(&expected_all)
-        .map(String::as_str)
-        .collect();
-    let removed: Vec<&str> = expected_all
-        .difference(&all_txt)
-        .map(String::as_str)
-        .collect();
-
-    let mut msg = String::from(
-        "Self-Generation-0 fragment census drift: `.txt` files under src/v3/compiler/ \
-         do not match EXPECTED_HAND_AUTHORED_FRAGMENTS ∪ EXPECTED_GENERATED_FRAGMENTS.\n\n",
-    );
-    if !added.is_empty() {
-        msg.push_str(
-            "New scaffold fragment(s) (a `.txt` extension does NOT exempt it from Self-Generation-0):\n",
-        );
-        for p in &added {
-            msg.push_str("  + ");
-            msg.push_str(p);
-            msg.push('\n');
-        }
-        msg.push_str(
-            "\nFix: port the logic to `.dag` and remove the file, or add the path to \
-             EXPECTED_HAND_AUTHORED_FRAGMENTS with a dissolution-trigger comment in the \
-             file's own header. If the file is produced by a named generator, add it to \
-             EXPECTED_GENERATED_FRAGMENTS instead.\n\n",
-        );
-    }
-    if !removed.is_empty() {
-        msg.push_str("Retired scaffold fragment(s) (remove from the expected list):\n");
-        for p in &removed {
-            msg.push_str("  - ");
-            msg.push_str(p);
-            msg.push('\n');
-        }
-    }
-    panic!("{msg}");
-}
-
-static PROBE_COUNTER: std::sync::atomic::AtomicUsize = std::sync::atomic::AtomicUsize::new(0);
-
-struct TempDirGuard(PathBuf);
-
-impl Drop for TempDirGuard {
-    fn drop(&mut self) {
-        let _ = fs::remove_dir_all(&self.0);
-    }
-}
-
-#[test]
-fn self_gen0_generated_partition_is_producer_owned() {
-    // Soundness: the manifest is the sole authority for the
-    // generated/hand-authored partition. This test plants a
-    // handwritten file whose first non-blank line is the most
-    // convincing possible spoof — the exact string
-    // `// AUTO-GENERATED from ...` that every real regen driver
-    // emits — into an isolated temp tree, then runs the real
-    // `walk_rs` + manifest-membership classification over it.
-    // Because the probe's path is not in `GENERATED_FILES`, it must
-    // land in the hand-authored set. If a future change reintroduces
-    // content-based filtering (either inside `walk_rs` or in the
-    // partition step), the probe would wrongly classify as generated
-    // and this assertion flips — catching the regression loudly.
-    //
-    // Isolation: the probe lives under `std::env::temp_dir()`, not
-    // inside `src/v3/compiler/`. The live `self_gen0_v3_hand_authored_census`
-    // walker never sees it, so the tests are safe to run in parallel.
-    let tmp = std::env::temp_dir().join(format!(
-        "self_gen0_soundness_probe_{}_{}",
-        std::process::id(),
-        PROBE_COUNTER.fetch_add(1, std::sync::atomic::Ordering::Relaxed)
-    ));
-    let _guard = TempDirGuard(tmp.clone());
-    fs::create_dir_all(&tmp).unwrap_or_else(|e| panic!("create probe dir: {e}"));
-
-    let probe_path = tmp.join("spoofed_header.rs");
-    fs::write(
-        &probe_path,
-        "// AUTO-GENERATED from `src/v3/lenses/fake.dag` via `emit_rust_module`.\n\
-         // Hand-authored file masquerading as generated — must still\n\
-         // classify as hand-authored because the manifest is authority.\n\
-         pub fn spoof() {}\n",
-    )
-    .unwrap_or_else(|e| panic!("write probe: {e}"));
-
-    let mut walk_results: BTreeSet<String> = BTreeSet::new();
-    walk_rs(&tmp, &tmp, &mut walk_results);
-
-    let generated: BTreeSet<String> = GENERATED_FILES.iter().map(|p| (*p).to_string()).collect();
-    let hand_authored: BTreeSet<String> = walk_results.difference(&generated).cloned().collect();
-
-    let probe_rel = probe_path
-        .strip_prefix(&tmp)
-        .expect("probe is inside tmp")
-        .to_string_lossy()
-        .replace('\\', "/");
-
-    assert!(
-        hand_authored.contains(&probe_rel),
-        "probe file with `// AUTO-GENERATED` first-line header must be \
-         classified as hand-authored (the path is not in GENERATED_FILES). \
-         The manifest is the sole authority; content headers must not \
-         participate. If this fails, content-based classification has \
-         regressed into walk_rs or the partition logic."
-    );
-}
-
-#[test]
-fn self_gen0_every_generated_file_is_present_on_disk() {
-    // The manifest is the authority for "which files are generated";
-    // it must stay in lockstep with what producers actually write.
-    // If a manifest entry points at a missing file, either the
-    // producer hasn't run yet (fresh checkout + `cargo test` without
-    // regen) or the file was deleted without updating build.rs.
-    // Either way the census would silently shrink and this ratchet
-    // would be unsound — fail loud here.
-    let ws = workspace_root();
-    let mut missing: Vec<&str> = Vec::new();
-    for rel in GENERATED_FILES {
-        if !ws.join(rel).is_file() {
-            missing.push(rel);
-        }
-    }
-    assert!(
-        missing.is_empty(),
-        "GENERATED_FILES references paths not present on disk: {missing:?} — \
-         the producer (a regen_* binary or build.rs entry) did not write them. \
-         Update REGEN_OUTPUTS in src/v3/compiler/build.rs, or run the relevant \
-         regen driver to populate the committed output."
-    );
-}
-
-#[test]
-fn self_gen0_stage0_copy_command_excludes_hand_maintained_root_files() {
-    let source = compiler_dag_source();
-    let start = source
-        .find("fn copy_generated_command(")
-        .expect("compiler.dag should define copy_generated_command");
-    let tail = &source[start..];
-    let end = tail
-        .find("\n}\n\n// Diff exclusion args")
-        .expect("copy_generated_command should end before diff_exclude_args");
-    let copy_fn = &tail[..end];
-
-    assert!(
-        copy_fn.contains("cycle.generated.hand_maintained_src |> fold"),
-        "copy_generated_command should derive an exclude filter from hand_maintained_src"
-    );
-    assert!(
-        copy_fn.contains(" -maxdepth 1 -type f -name '*.rs'"),
-        "copy_generated_command should only walk top-level emitted Rust files"
-    );
-    assert!(
-        copy_fn.contains(" -exec "),
-        "copy_generated_command should copy via find -exec so excluded names are not overwritten"
-    );
-    assert!(
-        copy_fn.contains("cycle.generated.source_dir"),
-        "copy_generated_command should target the declared generated source_dir"
-    );
-}
-
-#[test]
-fn self_gen0_stage0_hand_maintained_src_covers_emit_subtree_companions() {
-    let source = compiler_dag_source();
-    let start = source
-        .find("hand_maintained_src: [")
-        .expect("compiler.dag should declare hand_maintained_src");
-    let tail = &source[start..];
-    let end = tail
-        .find("\n  ]")
-        .expect("hand_maintained_src list should terminate");
-    let list = &tail[..end];
-
-    assert!(
-        list.contains("\"python_target.rs\""),
-        "hand_maintained_src should exclude emit/python_target.rs from recursive freshness drift"
-    );
-    assert!(
-        list.contains("\"rust_target.rs\""),
-        "hand_maintained_src should exclude emit/rust_target.rs from recursive freshness drift"
-    );
-    assert!(
-        list.contains("\"emit_rust_bin_shim.rs\""),
-        "hand_maintained_src should exclude emit_rust_bin_shim.rs (PB-1 shell helper) from recursive freshness drift"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/self_gen1_tokenize_authority_test.rs b/src/v3/compiler/tests/integration/self_gen1_tokenize_authority_test.rs
deleted file mode 100644
index fe488e8ff8a..00000000000
--- a/src/v3/compiler/tests/integration/self_gen1_tokenize_authority_test.rs
+++ /dev/null
@@ -1,425 +0,0 @@
-//! SG-1: `tokenize.dag` is load-bearing authority; `tokenize_generated.rs` must stay in sync.
-
-use std::collections::BTreeSet;
-
-use crate::common::{cached_compile_any, cached_compile_to_dag};
-use v3_compiler::dag::{FieldValue, LiteralBits, TypeConnective, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-
-const TOKENIZE_DAG: &str = include_str!("../../tokenize.dag");
-const SHARED_SYNTAX_DAG: &str = include_str!("../../../../../dsl/extdeps/languages/dag/syntax.dag");
-const CHECKED_IN_GENERATED: &str = include_str!("../../src/tokenize_generated.rs");
-const TOKENIZE_DAG_PATH: &str = "src/v3/compiler/tokenize.dag";
-
-fn compile_tokenize_dag() -> v3_compiler::dag::Dag {
-    cached_compile_to_dag(TOKENIZE_DAG, TOKENIZE_DAG_PATH)
-}
-
-#[test]
-fn tokenize_dag_compiles_cleanly() {
-    compile_tokenize_dag();
-}
-
-#[test]
-fn std_tokenize_dag_is_present_in_bootstrap_authority() {
-    let dag = generated_full_bootstrap_dag();
-    let moved = [
-        "Token",
-        "TokenKind",
-        "KeywordTokenKind",
-        "PunctTokenKind",
-        "LocalPunctSpec",
-        "StringEscapeSpec",
-    ];
-
-    for name in moved {
-        let decl = dag
-            .declaration_by_name(name)
-            .unwrap_or_else(|| panic!("expected `{name}` in generated bootstrap Dag"));
-        assert_eq!(
-            decl.span.file, "src/v3/std/tokenize.dag",
-            "`{name}` should be loaded from `src/v3/std/tokenize.dag` in the committed bootstrap authority"
-        );
-    }
-}
-
-#[test]
-fn compiler_tokenize_dag_imports_moved_types_from_std() {
-    let dag = compile_tokenize_dag();
-    let moved = [
-        "Token",
-        "TokenKind",
-        "KeywordTokenKind",
-        "PunctTokenKind",
-        "LocalPunctSpec",
-        "StringEscapeSpec",
-    ];
-
-    for name in moved {
-        let decl = dag
-            .declaration_by_name(name)
-            .unwrap_or_else(|| panic!("expected `{name}` in lowered tokenizer authority"));
-        assert_eq!(
-            decl.span.file, "src/v3/std/tokenize.dag",
-            "`{name}` should now be authored in `src/v3/std/tokenize.dag`, not compiler-local authority"
-        );
-    }
-}
-
-#[test]
-fn tokenize_generated_module_matches_checked_in_snapshot() {
-    let manifest_dir = std::path::PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let regen = v3_compiler::regen_tokenize::tokenize_generated_rust_formatted(&manifest_dir);
-    assert_eq!(
-        CHECKED_IN_GENERATED.trim(),
-        regen.trim(),
-        "checked-in tokenize_generated.rs is stale; run `cargo run -p v3-compiler --bin regen_tokenize`"
-    );
-}
-
-#[test]
-fn tokenize_keyword_subset_derives_from_shared_syntax_authority() {
-    let dag = compile_tokenize_dag();
-    let shared_keywords: BTreeSet<_> = parse_map_string_keys(extract_balanced_section(
-        SHARED_SYNTAX_DAG,
-        "data dag_keyword_set",
-        '{',
-        '}',
-    ))
-    .into_iter()
-    .collect();
-
-    assert!(
-        !TOKENIZE_DAG.contains("\ndata keyword_"),
-        "shared keyword spellings should not remain authored in tokenize.dag"
-    );
-
-    let keyword_kind_decl = dag
-        .declaration_by_name("KeywordTokenKind")
-        .expect("KeywordTokenKind declaration");
-    let TypeConnective::Disj {
-        variants: keyword_variants,
-    } = &keyword_kind_decl.connective
-    else {
-        panic!("KeywordTokenKind should lower to a Disj");
-    };
-
-    for variant in keyword_variants {
-        let spelling = keyword_spelling_for_token_kind(&variant.label);
-        assert!(
-            shared_keywords.contains(&spelling),
-            "`KeywordTokenKind::{}` expects keyword `{spelling}` from shared syntax authority",
-            variant.label
-        );
-    }
-}
-
-#[test]
-fn tokenize_local_punct_rows_are_structural_and_disjoint_from_shared_operator_authority() {
-    let dag = compile_tokenize_dag();
-    let shared_operators: BTreeSet<_> = parse_named_string_fields(
-        extract_balanced_section(SHARED_SYNTAX_DAG, "data dag_operators", '[', ']'),
-        "symbol",
-    )
-    .into_iter()
-    .collect();
-
-    assert!(
-        !TOKENIZE_DAG.contains("\ndata punct_"),
-        "shared operator spellings should not remain authored in tokenize.dag"
-    );
-
-    let punct_kind_decl = dag
-        .declaration_by_name("PunctTokenKind")
-        .expect("PunctTokenKind declaration");
-    let TypeConnective::Disj {
-        variants: punct_variants,
-    } = &punct_kind_decl.connective
-    else {
-        panic!("PunctTokenKind should lower to a Disj");
-    };
-
-    for decl in dag.declarations() {
-        let Some(name) = &decl.name else {
-            continue;
-        };
-        if !name.starts_with("local_punct_") {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!("token row `{name}` should carry a structural body");
-        };
-
-        assert!(
-            fields
-                .iter()
-                .all(|(label, _)| label != "kind_name" && label != "width"),
-            "token row `{name}` should not carry string `kind_name` or redundant `width` fields"
-        );
-
-        let pattern = fields
-            .iter()
-            .find(|(label, _)| label == "pattern")
-            .and_then(|(_, value)| match value {
-                FieldValue::Literal(LiteralBits::String(pattern)) => Some(pattern.clone()),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("token row `{name}` should carry a string `pattern` field"));
-        assert!(
-            !shared_operators.contains(&pattern),
-            "token row `{name}` should not duplicate shared operator `{pattern}`"
-        );
-
-        let kind_field = fields
-            .iter()
-            .find(|(label, _)| label == "kind")
-            .unwrap_or_else(|| panic!("token row `{name}` should carry a `kind` field"));
-        let FieldValue::Variant {
-            constructor,
-            payload,
-        } = &kind_field.1
-        else {
-            panic!("token row `{name}` should store `kind` as a structural TokenKind variant");
-        };
-        assert!(
-            payload.is_empty(),
-            "token row `{name}` should store only nullary TokenKind variants"
-        );
-        assert!(
-            punct_variants
-                .iter()
-                .any(|variant| variant.ty == *constructor),
-            "token row `{name}` kind constructor should be a variant of `PunctTokenKind`"
-        );
-    }
-}
-
-#[test]
-fn shared_syntax_keyword_map_is_structural_while_operator_bridge_remains_bounded() {
-    let lowered = cached_compile_any(SHARED_SYNTAX_DAG, "dsl/extdeps/languages/dag/syntax.dag");
-
-    let keywords = lowered
-        .declaration_by_name("dag_keyword_set")
-        .unwrap_or_else(|| panic!("shared syntax authority is missing `dag_keyword_set`"));
-    assert!(
-        matches!(keywords.value_body, Some(ValueBody::Map(_))),
-        "`dag_keyword_set` should lower structurally as ValueBody::Map so regen_tokenize derives from the lowered Dag"
-    );
-
-    let operators = lowered
-        .declaration_by_name("dag_operators")
-        .unwrap_or_else(|| panic!("shared syntax authority is missing `dag_operators`"));
-    assert!(
-        matches!(operators.value_body, Some(ValueBody::Unparsed(_))),
-        "`dag_operators` still uses the bounded SG-1a raw-source bridge; once it lowers structurally, derive shared operators from the lowered Dag and update this ratchet"
-    );
-}
-
-#[test]
-fn shared_operator_boundary_is_explicit_and_fail_closed() {
-    let dag = compile_tokenize_dag();
-    let shared_operators = parse_named_string_fields(
-        extract_balanced_section(SHARED_SYNTAX_DAG, "data dag_operators", '[', ']'),
-        "symbol",
-    );
-    let v3_supported_operators: BTreeSet<_> = parse_map_string_keys(extract_balanced_section(
-        SHARED_SYNTAX_DAG,
-        "data v3_supported_dag_operators",
-        '{',
-        '}',
-    ))
-    .into_iter()
-    .collect();
-    let punct_kind_decl = dag
-        .declaration_by_name("PunctTokenKind")
-        .expect("PunctTokenKind declaration");
-    let TypeConnective::Disj {
-        variants: punct_variants,
-    } = &punct_kind_decl.connective
-    else {
-        panic!("PunctTokenKind should lower to a Disj");
-    };
-    let punct_variant_labels: BTreeSet<_> = punct_variants
-        .iter()
-        .map(|variant| variant.label.clone())
-        .collect();
-
-    let mut shared_tokenized_kinds = BTreeSet::new();
-    for pattern in &shared_operators {
-        match classify_shared_operator_for_tokenizer(pattern, &v3_supported_operators) {
-            SharedOperatorTokenizerBoundary::Tokenized { kind } => {
-                assert!(
-                    punct_variant_labels.contains(kind),
-                    "shared operator `{pattern}` expects `PunctTokenKind::{kind}`"
-                );
-                shared_tokenized_kinds.insert(kind.to_string());
-            }
-            SharedOperatorTokenizerBoundary::ParserOnlyDebt { reason } => {
-                assert!(
-                    !reason.is_empty(),
-                    "parser-only shared operator `{pattern}` should document the v3 boundary"
-                );
-            }
-        }
-    }
-
-    let mut covered_punct_kinds = shared_tokenized_kinds;
-    for decl in dag.declarations() {
-        let Some(name) = &decl.name else {
-            continue;
-        };
-        if !name.starts_with("local_punct_") {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!("token row `{name}` should carry a structural body");
-        };
-        let kind = fields
-            .iter()
-            .find(|(label, _)| label == "kind")
-            .and_then(|(_, value)| match value {
-                FieldValue::Variant {
-                    constructor,
-                    payload,
-                } if payload.is_empty() => Some(*constructor),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("token row `{name}` should carry a nullary `kind` variant"));
-        let kind_label = punct_variants
-            .iter()
-            .find(|variant| variant.ty == kind)
-            .map(|variant| variant.label.clone())
-            .unwrap_or_else(|| {
-                panic!("token row `{name}` kind should be a `PunctTokenKind` variant")
-            });
-        assert!(
-            covered_punct_kinds.insert(kind_label.clone()),
-            "punctuation kind `{kind_label}` should be covered by exactly one shared/local source"
-        );
-    }
-
-    assert_eq!(
-        covered_punct_kinds, punct_variant_labels,
-        "every `PunctTokenKind` variant should come from either the shared-operator subset or \
-         a `local_punct_*` row"
-    );
-}
-
-fn keyword_spelling_for_token_kind(kind: &str) -> String {
-    kind.strip_prefix("Kw")
-        .unwrap_or_else(|| panic!("keyword token kind `{kind}` should start with `Kw`"))
-        .to_ascii_lowercase()
-}
-
-enum SharedOperatorTokenizerBoundary {
-    Tokenized { kind: &'static str },
-    ParserOnlyDebt { reason: &'static str },
-}
-
-fn classify_shared_operator_for_tokenizer(
-    pattern: &str,
-    v3_supported: &BTreeSet<String>,
-) -> SharedOperatorTokenizerBoundary {
-    if !v3_supported.contains(pattern) {
-        return SharedOperatorTokenizerBoundary::ParserOnlyDebt {
-            reason: "operator is declared in external dag_operators but excluded from \
-                     v3_supported_dag_operators until v3 parses it end-to-end",
-        };
-    }
-    match pattern {
-        "==" => SharedOperatorTokenizerBoundary::Tokenized { kind: "EqEq" },
-        "!=" => SharedOperatorTokenizerBoundary::Tokenized { kind: "NotEq" },
-        "<" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Lt" },
-        "<=" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Le" },
-        ">" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Gt" },
-        ">=" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Ge" },
-        "+" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Plus" },
-        "-" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Minus" },
-        "*" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Star" },
-        "/" => SharedOperatorTokenizerBoundary::Tokenized { kind: "Slash" },
-        "&&" => SharedOperatorTokenizerBoundary::Tokenized { kind: "AmpAmp" },
-        "||" => SharedOperatorTokenizerBoundary::Tokenized { kind: "PipePipe" },
-        "|>" => SharedOperatorTokenizerBoundary::Tokenized { kind: "PipeArrow" },
-        "." => SharedOperatorTokenizerBoundary::Tokenized { kind: "Dot" },
-        other => panic!(
-            "`v3_supported_dag_operators` includes `{other}`, but the SG-1 tokenizer bridge has \
-             no TokenKind mapping for it"
-        ),
-    }
-}
-
-fn extract_balanced_section<'a>(source: &'a str, anchor: &str, open: char, close: char) -> &'a str {
-    let anchor_idx = source
-        .find(anchor)
-        .unwrap_or_else(|| panic!("missing `{anchor}` in shared syntax fixture"));
-    let tail = &source[anchor_idx..];
-    let open_rel = tail
-        .find(open)
-        .unwrap_or_else(|| panic!("missing `{open}` after `{anchor}` in shared syntax fixture"));
-    let start = anchor_idx + open_rel;
-    let mut depth = 0usize;
-    for (offset, ch) in source[start..].char_indices() {
-        if ch == open {
-            depth += 1;
-        } else if ch == close {
-            depth -= 1;
-            if depth == 0 {
-                return &source[start + open.len_utf8()..start + offset];
-            }
-        }
-    }
-    panic!("unterminated `{anchor}` section in shared syntax fixture");
-}
-
-fn parse_map_string_keys(section: &str) -> Vec<String> {
-    parse_all_string_literals(section)
-}
-
-fn parse_named_string_fields(section: &str, field_name: &str) -> Vec<String> {
-    let needle = format!("{field_name}:");
-    let mut out = Vec::new();
-    let mut rest = section;
-    while let Some(idx) = rest.find(&needle) {
-        let after_field = &rest[idx + needle.len()..];
-        let quote_idx = after_field.find('"').unwrap_or_else(|| {
-            panic!("missing string literal for `{field_name}` in shared syntax fixture")
-        });
-        let (value, consumed) = parse_string_literal(&after_field[quote_idx..]);
-        out.push(value);
-        rest = &after_field[quote_idx + consumed..];
-    }
-    out
-}
-
-fn parse_all_string_literals(section: &str) -> Vec<String> {
-    let mut out = Vec::new();
-    let mut rest = section;
-    while let Some(idx) = rest.find('"') {
-        let (value, consumed) = parse_string_literal(&rest[idx..]);
-        out.push(value);
-        rest = &rest[idx + consumed..];
-    }
-    out
-}
-
-fn parse_string_literal(source: &str) -> (String, usize) {
-    assert!(
-        source.starts_with('"'),
-        "string literal parser expects to start at a quote"
-    );
-    let mut out = String::new();
-    let mut escaped = false;
-    for (idx, ch) in source[1..].char_indices() {
-        if escaped {
-            out.push(ch);
-            escaped = false;
-            continue;
-        }
-        match ch {
-            '\\' => escaped = true,
-            '"' => return (out, idx + 2),
-            other => out.push(other),
-        }
-    }
-    panic!("unterminated string literal in shared syntax fixture");
-}
diff --git a/src/v3/compiler/tests/integration/self_gen2_parse_authority_test.rs b/src/v3/compiler/tests/integration/self_gen2_parse_authority_test.rs
deleted file mode 100644
index cc4c3e7bde4..00000000000
--- a/src/v3/compiler/tests/integration/self_gen2_parse_authority_test.rs
+++ /dev/null
@@ -1,36 +0,0 @@
-//! SG-2 **parser staging** ratchet (PR #589 option 1 — **not** SG-2b closure): `parse_surface.dag`
-//! is load-bearing for the **Surface carrier** schema (shared with `parse_surface_generated.rs`);
-//! `parse_generated.rs` (types from that `.dag` + **temporary semantic** algorithm from
-//! `parse_parser_body.txt`) must stay in sync via `regen_parse`. The snapshot test compares an
-//! in-process render (no tracked-file rewrite). SG-2b remains the follow-on lane that deletes the
-//! body fragment per the dissolution trigger in `parse_parser_body.txt`.
-
-use v3_compiler::compile_parse_surface_std_authority_dag;
-use v3_compiler::render_parse_generated_rs;
-
-const PARSE_SURFACE_DAG: &str = include_str!("../../../std/parse_surface.dag");
-const CHECKED_IN_GENERATED: &str = include_str!("../../src/parse_generated.rs");
-const PARSER_BODY: &str = include_str!("../../parse_parser_body.txt");
-
-#[test]
-fn parse_surface_dag_compiles_cleanly_for_regen_parse() {
-    compile_parse_surface_std_authority_dag(PARSE_SURFACE_DAG, "src/v3/std/parse_surface.dag")
-        .unwrap_or_else(|e| {
-            panic!("parse_surface.dag should compile for regen_parse authority: {e:?}")
-        });
-}
-
-#[test]
-fn parse_generated_module_matches_checked_in_snapshot() {
-    let regen = render_parse_generated_rs(
-        PARSE_SURFACE_DAG,
-        "src/v3/std/parse_surface.dag",
-        PARSER_BODY,
-    )
-    .unwrap_or_else(|e| panic!("render parse_generated.rs in-process: {e}"));
-    assert_eq!(
-        CHECKED_IN_GENERATED.trim(),
-        regen.trim(),
-        "checked-in parse_generated.rs is stale; run `cargo run -p v3-compiler --bin regen_parse`"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/self_gen2c1_parse_tables_authority_test.rs b/src/v3/compiler/tests/integration/self_gen2c1_parse_tables_authority_test.rs
deleted file mode 100644
index 47e3dcd4821..00000000000
--- a/src/v3/compiler/tests/integration/self_gen2c1_parse_tables_authority_test.rs
+++ /dev/null
@@ -1,935 +0,0 @@
-//! SG-2c / grammar-tables prototype: `parse_tables.dag` is load-bearing
-//! authority for parser-owned tables projected into `parse_tables_generated.rs`:
-//! SG-2c-1 binary-operator precedence rows, SG-2c-2 top-level item keyword
-//! dispatch, SG-2c-3 type-RHS boundary keywords, SG-2c-4 bracket opener/closer
-//! roles, SG-2c-5 soft-keyword ident aliases, SG-2c-6/SG-2c-7 `parse_primary`
-//! prefix + atomic-tail dispatch (cluster). `parse_tables_generated.rs`
-//! must stay in sync with the authoring `.dag`; `binary_op_*` rows cover every
-//! binary-operator token the parser dispatches on, `top_level_kw_*` rows cover
-//! every keyword `parse_item` accepts, and the same rows also project the shared
-//! top-level item-boundary helper used by type-RHS lookahead. `primary_prefix_*`
-//! rows cover prefix openers; `primary_atom_*` rows cover the post-bump atomic
-//! `TokenKind` set (see `primary_atom_rows_cover_exactly_the_tokens_parse_primary_atomic_arm`).
-//!
-//! This lane is explicitly NOT SG-2c proper (parser authority proper).
-//! Full parser-algorithm dissolution is blocked on recursive list-body
-//! emission over `List<Token>`; see `parse_tables.dag` header.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{FieldValue, LiteralBits, OperatorKind, TypeConnective, ValueBody};
-use v3_compiler::diagnostics::Diagnostic;
-use v3_compiler::operators;
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_tables::soft_keyword_ident_spelling;
-use v3_compiler::render_parse_tables_generated_rs;
-use v3_compiler::{token_is_ident_for_test, token_is_kw_fn_for_test, tokenize_for_test};
-
-const PARSE_TABLES_DAG: &str = include_str!("../../parse_tables.dag");
-const TOKENIZE_DAG: &str = include_str!("../../tokenize.dag");
-const SHARED_SYNTAX_DAG: &str = include_str!("../../../../../dsl/extdeps/languages/dag/syntax.dag");
-const CHECKED_IN_GENERATED: &str = include_str!("../../src/parse_tables_generated.rs");
-
-#[test]
-fn parse_tables_dag_compiles_cleanly() {
-    compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-}
-
-#[test]
-fn parse_tables_generated_module_matches_checked_in_snapshot() {
-    let regen = render_parse_tables_generated_rs(
-        PARSE_TABLES_DAG,
-        "src/v3/compiler/parse_tables.dag",
-        TOKENIZE_DAG,
-        "src/v3/compiler/tokenize.dag",
-        SHARED_SYNTAX_DAG,
-    )
-    .unwrap_or_else(|e| panic!("render parse_tables_generated.rs in-process: {e}"));
-    assert_eq!(
-        CHECKED_IN_GENERATED.trim(),
-        regen.trim(),
-        "checked-in parse_tables_generated.rs is stale; run \
-         `cargo run -p v3-compiler --bin regen_parse_tables`"
-    );
-}
-
-#[test]
-fn every_binary_op_row_token_variant_is_a_token_kind_variant() {
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let tokenize_dag = compile_to_dag(TOKENIZE_DAG, "src/v3/compiler/tokenize.dag")
-        .unwrap_or_else(|e| panic!("tokenize.dag should compile: {e:?}"));
-
-    let token_kind_decl = tokenize_dag
-        .declaration_by_name("TokenKind")
-        .expect("TokenKind declaration in tokenize.dag");
-    let TypeConnective::Disj {
-        variants: token_variants,
-    } = &token_kind_decl.connective
-    else {
-        panic!("TokenKind should lower to a Disj");
-    };
-    let token_variant_names: std::collections::BTreeSet<String> =
-        token_variants.iter().map(|v| v.label.clone()).collect();
-
-    let binary_op_row_type_id = tables_dag
-        .declaration_by_name("BinaryOpRow")
-        .expect("BinaryOpRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(binary_op_row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        let token_variant = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-            .and_then(|v| match v {
-                FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("`{name}`: missing string `token_variant` field"));
-        assert!(
-            token_variant_names.contains(&token_variant),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-    }
-}
-
-#[test]
-fn binary_op_rows_cover_every_operator_token_the_parser_dispatches_on() {
-    // The parser's per-precedence-level functions (`parse_logical_or`,
-    // `parse_logical_and`, `parse_comparison`, `parse_additive`,
-    // `parse_term`) dispatch on exactly these twelve `TokenKind`
-    // variants. If a new binary operator token ever joins that set,
-    // `parse_tables.dag` must grow a row for it or the parser will
-    // silently skip it at runtime. Pinned here so the authority
-    // boundary fails closed.
-    let expected: std::collections::BTreeSet<&'static str> = [
-        "PipePipe", "AmpAmp", "EqEq", "NotEq", "Lt", "Le", "Gt", "Ge", "Plus", "Minus", "Star",
-        "Slash",
-    ]
-    .into_iter()
-    .collect();
-
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let mut got: std::collections::BTreeSet<String> = std::collections::BTreeSet::new();
-    let binary_op_row_type_id = tables_dag
-        .declaration_by_name("BinaryOpRow")
-        .expect("BinaryOpRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(binary_op_row_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        if let Some(FieldValue::Literal(LiteralBits::String(s))) = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-        {
-            got.insert(s.clone());
-        }
-    }
-    let got_ref: std::collections::BTreeSet<&str> = got.iter().map(String::as_str).collect();
-    assert_eq!(
-        expected, got_ref,
-        "binary_op_* rows in parse_tables.dag do not cover exactly the operator tokens the \
-         parser dispatches on"
-    );
-}
-
-#[test]
-fn dag_binary_operators_have_token_parse_table_and_operator_mapping() {
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let tokenize_dag = compile_to_dag(TOKENIZE_DAG, "src/v3/compiler/tokenize.dag")
-        .unwrap_or_else(|e| panic!("tokenize.dag should compile: {e:?}"));
-
-    let token_kind_decl = tokenize_dag
-        .declaration_by_name("TokenKind")
-        .expect("TokenKind declaration in tokenize.dag");
-    let TypeConnective::Disj {
-        variants: token_variants,
-    } = &token_kind_decl.connective
-    else {
-        panic!("TokenKind should lower to a Disj");
-    };
-    let token_variant_names: std::collections::BTreeSet<String> =
-        token_variants.iter().map(|v| v.label.clone()).collect();
-
-    let binary_op_row_type_id = tables_dag
-        .declaration_by_name("BinaryOpRow")
-        .expect("BinaryOpRow declaration")
-        .id;
-    let mut rows_by_symbol = std::collections::BTreeMap::new();
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(binary_op_row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            panic!("`parse_tables.dag::{name}`: BinaryOpRow should carry structural fields");
-        };
-        let token_variant = string_field(fields, "token_variant", name);
-        let operator_symbol = string_field(fields, "operator_symbol", name);
-        assert!(
-            rows_by_symbol
-                .insert(operator_symbol.clone(), token_variant.clone())
-                .is_none(),
-            "duplicate BinaryOpRow coverage for operator symbol `{operator_symbol}`"
-        );
-    }
-
-    for spec in v3_supported_dag_operator_specs(SHARED_SYNTAX_DAG) {
-        let Some(binop) = spec.binop else {
-            continue;
-        };
-        let expected_token = token_kind_for_shared_dag_operator(&spec.symbol);
-        assert!(
-            token_variant_names.contains(expected_token),
-            "`v3_supported_dag_operators` symbol `{}` expects TokenKind::{expected_token} in tokenize.dag",
-            spec.symbol
-        );
-        let row_token = rows_by_symbol.get(&spec.symbol).unwrap_or_else(|| {
-            panic!(
-                "`v3_supported_dag_operators` binary operator `{}` has no BinaryOpRow in parse_tables.dag",
-                spec.symbol
-            )
-        });
-        assert_eq!(
-            row_token, expected_token,
-            "`v3_supported_dag_operators` binary operator `{}` maps to TokenKind::{expected_token}, but \
-             parse_tables.dag routes TokenKind::{row_token}",
-            spec.symbol
-        );
-        let Some(operator_kind) = operators::from_symbol(&spec.symbol) else {
-            panic!(
-                "`v3_supported_dag_operators` binary operator `{}` has no operators.dag::from_symbol mapping",
-                spec.symbol
-            );
-        };
-        let actual_binop = operator_kind_binop_name(operator_kind);
-        assert_eq!(
-            actual_binop, binop,
-            "`v3_supported_dag_operators` binary operator `{}` records binop `{binop}`, but \
-             operators.dag maps it to `{actual_binop}`",
-            spec.symbol
-        );
-    }
-}
-
-#[test]
-fn dag_operator_authority_keeps_external_rows_split_from_v3_projection() {
-    let all: std::collections::BTreeSet<_> = shared_dag_operator_specs(SHARED_SYNTAX_DAG)
-        .into_iter()
-        .map(|spec| spec.symbol)
-        .collect();
-    let v3_supported: std::collections::BTreeSet<_> =
-        v3_supported_dag_operator_specs(SHARED_SYNTAX_DAG)
-            .into_iter()
-            .map(|spec| spec.symbol)
-            .collect();
-
-    for symbol in ["??", "%"] {
-        assert!(
-            all.contains(symbol),
-            "`dag_operators` must retain external operator row `{symbol}`"
-        );
-        assert!(
-            !v3_supported.contains(symbol),
-            "`v3_supported_dag_operators` must exclude unsupported v3 operator `{symbol}`"
-        );
-    }
-    assert!(
-        v3_supported.is_subset(&all),
-        "`v3_supported_dag_operators` should be an explicit subset of `dag_operators`"
-    );
-}
-
-#[test]
-fn every_top_level_item_kw_row_token_variant_is_a_token_kind_variant() {
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let tokenize_dag = compile_to_dag(TOKENIZE_DAG, "src/v3/compiler/tokenize.dag")
-        .unwrap_or_else(|e| panic!("tokenize.dag should compile: {e:?}"));
-
-    let token_kind_decl = tokenize_dag
-        .declaration_by_name("TokenKind")
-        .expect("TokenKind declaration in tokenize.dag");
-    let TypeConnective::Disj {
-        variants: token_variants,
-    } = &token_kind_decl.connective
-    else {
-        panic!("TokenKind should lower to a Disj");
-    };
-    let token_variant_names: std::collections::BTreeSet<String> =
-        token_variants.iter().map(|v| v.label.clone()).collect();
-
-    let row_type_id = tables_dag
-        .declaration_by_name("TopLevelItemKwRow")
-        .expect("TopLevelItemKwRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        let token_variant = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-            .and_then(|v| match v {
-                FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("`{name}`: missing string `token_variant` field"));
-        assert!(
-            token_variant_names.contains(&token_variant),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-    }
-}
-
-#[test]
-fn every_bracket_row_token_variant_is_a_token_kind_variant() {
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let tokenize_dag = compile_to_dag(TOKENIZE_DAG, "src/v3/compiler/tokenize.dag")
-        .unwrap_or_else(|e| panic!("tokenize.dag should compile: {e:?}"));
-
-    let token_kind_decl = tokenize_dag
-        .declaration_by_name("TokenKind")
-        .expect("TokenKind declaration in tokenize.dag");
-    let TypeConnective::Disj {
-        variants: token_variants,
-    } = &token_kind_decl.connective
-    else {
-        panic!("TokenKind should lower to a Disj");
-    };
-    let token_variant_names: std::collections::BTreeSet<String> =
-        token_variants.iter().map(|v| v.label.clone()).collect();
-
-    let row_type_id = tables_dag
-        .declaration_by_name("BracketRow")
-        .expect("BracketRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        let token_variant = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-            .and_then(|v| match v {
-                FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("`{name}`: missing string `token_variant` field"));
-        assert!(
-            token_variant_names.contains(&token_variant),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-    }
-}
-
-#[test]
-fn every_bracket_shaped_token_kind_variant_has_a_bracket_row() {
-    // Reverse drift check (catches the gap the forward pin leaves open):
-    // if a new bracketing `TokenKind` variant ever lands in `tokenize.dag`
-    // and no one adds a matching `BracketRow`, `bracket_role` would silently
-    // return `None` and the parser's depth tracker would miscount — the
-    // forward membership pin wouldn't fire because it only checks the rows
-    // against a hardcoded expected set.
-    //
-    // Heuristic: any `TokenKind` variant whose name is `L[A-Z]…` or
-    // `R[A-Z]…` (capital second letter) is bracket-shaped. That rules
-    // out comparison operators like `Lt` / `Le` (lowercase second char)
-    // while catching hypothetical future `LAngle` / `RAngle` etc.
-    // Matches the prefix convention already enforced at regen time by
-    // `bracket_role_from_token_variant`.
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let tokenize_dag = compile_to_dag(TOKENIZE_DAG, "src/v3/compiler/tokenize.dag")
-        .unwrap_or_else(|e| panic!("tokenize.dag should compile: {e:?}"));
-
-    let token_kind_decl = tokenize_dag
-        .declaration_by_name("TokenKind")
-        .expect("TokenKind declaration in tokenize.dag");
-    let TypeConnective::Disj {
-        variants: token_variants,
-    } = &token_kind_decl.connective
-    else {
-        panic!("TokenKind should lower to a Disj");
-    };
-
-    let is_bracket_shaped = |name: &str| -> bool {
-        let mut chars = name.chars();
-        let first = match chars.next() {
-            Some(c) => c,
-            None => return false,
-        };
-        if first != 'L' && first != 'R' {
-            return false;
-        }
-        matches!(chars.next(), Some(c) if c.is_ascii_uppercase())
-    };
-
-    let bracket_shaped_token_kinds: std::collections::BTreeSet<String> = token_variants
-        .iter()
-        .filter(|v| is_bracket_shaped(&v.label))
-        .map(|v| v.label.clone())
-        .collect();
-
-    let row_type_id = tables_dag
-        .declaration_by_name("BracketRow")
-        .expect("BracketRow declaration")
-        .id;
-    let authored: std::collections::BTreeSet<String> = tables_dag
-        .declarations()
-        .iter()
-        .filter(|d| d.meta_tag == Some(row_type_id))
-        .filter_map(|d| match &d.value_body {
-            Some(ValueBody::Structural { fields }) => fields
-                .iter()
-                .find_map(|(k, v)| (k == "token_variant").then_some(v))
-                .and_then(|v| match v {
-                    FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-                    _ => None,
-                }),
-            _ => None,
-        })
-        .collect();
-
-    let missing: Vec<&String> = bracket_shaped_token_kinds.difference(&authored).collect();
-    assert!(
-        missing.is_empty(),
-        "TokenKind variants look bracket-shaped (`L[A-Z]…` / `R[A-Z]…`) but \
-         have no matching `BracketRow` in `parse_tables.dag`: {missing:?}. Either \
-         author a row, or if the variant is genuinely not a bracket, adjust the \
-         bracket-shape heuristic in this test."
-    );
-}
-
-#[test]
-fn bracket_rows_cover_exactly_the_tokens_depth_tracking_helpers_dispatch_on() {
-    // `skip_where_clause` and `rhs_is_sum` in `parse_parser_body.txt` scan
-    // token spans while tracking paren/brace/bracket depth. Pinned here as
-    // the closed set so SG-2c-4 dispatch fails closed if a new bracketing
-    // token ever appears in `TokenKind` without a matching `BracketRow`.
-    let expected: std::collections::BTreeSet<&'static str> = [
-        "LParen", "LBrace", "LBracket", "RParen", "RBrace", "RBracket",
-    ]
-    .into_iter()
-    .collect();
-
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let mut got: std::collections::BTreeSet<String> = std::collections::BTreeSet::new();
-    let row_type_id = tables_dag
-        .declaration_by_name("BracketRow")
-        .expect("BracketRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        if let Some(FieldValue::Literal(LiteralBits::String(s))) = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-        {
-            got.insert(s.clone());
-        }
-    }
-    let got_ref: std::collections::BTreeSet<&str> = got.iter().map(String::as_str).collect();
-    assert_eq!(
-        expected, got_ref,
-        "bracket_* rows in parse_tables.dag do not cover exactly the bracketing tokens the \
-         parser's depth-tracking helpers dispatch on"
-    );
-}
-
-#[test]
-fn top_level_item_kw_rows_cover_exactly_the_tokens_parse_item_dispatches_on() {
-    // Structural authority for which `Kw*` keywords open items is every
-    // `top_level_kw_* : TopLevelItemKwRow` row in `parse_tables.dag` (`got`,
-    // collected below). This literal exists as an explicit crash-on-edit pin:
-    // extending `parse_item` match arms alone does **not** update `got`; you
-    // must author matching rows first (then regen fills `top_level_item_dispatch`).
-    let expected: std::collections::BTreeSet<&'static str> =
-        ["KwLet", "KwFn", "KwType", "KwModule", "KwImport", "KwData"]
-            .into_iter()
-            .collect();
-
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let mut got: std::collections::BTreeSet<String> = std::collections::BTreeSet::new();
-    let row_type_id = tables_dag
-        .declaration_by_name("TopLevelItemKwRow")
-        .expect("TopLevelItemKwRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        if let Some(FieldValue::Literal(LiteralBits::String(s))) = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-        {
-            got.insert(s.clone());
-        }
-    }
-    let got_ref: std::collections::BTreeSet<&str> = got.iter().map(String::as_str).collect();
-    assert_eq!(
-        expected, got_ref,
-        "top_level_kw_* rows in parse_tables.dag do not cover exactly the keyword tokens \
-         `parse_item` dispatches on"
-    );
-}
-
-#[test]
-fn service_top_level_item_dispatch_is_deactivated_until_service_block_ast_lands() {
-    let tokens = tokenize_for_test("service Llm {}", "top_level_service_anchor.v3")
-        .expect("tokenize service anchor");
-    let err = parse_for_test(&tokens, "top_level_service_anchor.v3")
-        .expect_err("service should not be a top-level item until ServiceBlock support lands");
-    let Diagnostic::ParseError { message, span, .. } = err else {
-        panic!("expected ParseError for top-level service anchor, got {err:?}");
-    };
-    assert!(
-        message.contains("expected `let`, `fn`, `type`, `module`, `import`, or `data`"),
-        "service parse failure should use normal top-level item dispatch, got: {message}"
-    );
-    assert_eq!(
-        span.file, "top_level_service_anchor.v3",
-        "service parse failure should be anchored to the leading identifier span",
-    );
-}
-
-#[test]
-fn soft_keyword_ident_rows_cover_exactly_the_keyword_aliases_parser_accepts_as_names() {
-    // `parse_field_label` and `parse_variant` currently accept exactly one
-    // soft-keyword alias as a bare name: `KwType -> "type"`. `service` is
-    // intentionally deactivated as a keyword until ServiceBlock support lands,
-    // so it parses through the ordinary `Ident("service")` path instead.
-    let expected: std::collections::BTreeSet<&'static str> = ["KwType"].into_iter().collect();
-
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let mut got: std::collections::BTreeSet<String> = std::collections::BTreeSet::new();
-    let row_type_id = tables_dag
-        .declaration_by_name("SoftKeywordIdentRow")
-        .expect("SoftKeywordIdentRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        if let Some(FieldValue::Literal(LiteralBits::String(s))) = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-        {
-            got.insert(s.clone());
-        }
-    }
-    let got_ref: std::collections::BTreeSet<&str> = got.iter().map(String::as_str).collect();
-    assert_eq!(
-        expected, got_ref,
-        "soft_keyword_ident_* rows in parse_tables.dag do not cover exactly the keyword aliases \
-         the parser accepts as bare names"
-    );
-}
-
-#[test]
-fn soft_keyword_ident_service_still_parses_in_name_position() {
-    let source = "fn demo() -> Int = { service: 1 }";
-    let tokens = tokenize_for_test(source, "soft_keyword_ident_service.v3")
-        .expect("tokenize identifier service");
-    assert!(
-        tokens.first().is_some_and(token_is_kw_fn_for_test),
-        "fixture should still start with fn"
-    );
-    assert!(
-        tokens
-            .iter()
-            .any(|t| token_is_ident_for_test(t, "service")),
-        "service should tokenize as a normal identifier while top-level service syntax is deactivated; tokens: {tokens:?}"
-    );
-    let parsed =
-        parse_for_test(&tokens, "soft_keyword_ident_service.v3").expect("parse identifier service");
-    let item = parsed.items.into_iter().next().expect("expected one item");
-    assert!(
-        matches!(item, v3_compiler::parse_surface::SurfaceItem::Fn { .. }),
-        "service should stay parseable in name position without reactivating top-level service syntax"
-    );
-}
-
-#[test]
-fn soft_keyword_ident_projection_matches_authored_alias_rows() {
-    let kw_type = tokenize_for_test("type", "soft_keyword_ident_kw_type.v3")
-        .expect("tokenize keyword fixture");
-    let kw_let = tokenize_for_test("let", "soft_keyword_ident_kw_let.v3")
-        .expect("tokenize non-alias keyword fixture");
-    let ident = tokenize_for_test("type_name", "soft_keyword_ident_ident.v3")
-        .expect("tokenize identifier fixture");
-
-    assert_eq!(soft_keyword_ident_spelling(&kw_type[0].kind), Some("type"));
-    assert_eq!(soft_keyword_ident_spelling(&kw_let[0].kind), None);
-    assert_eq!(soft_keyword_ident_spelling(&ident[0].kind), None);
-}
-
-#[test]
-fn every_primary_prefix_row_token_variant_is_a_token_kind_variant() {
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let tokenize_dag = compile_to_dag(TOKENIZE_DAG, "src/v3/compiler/tokenize.dag")
-        .unwrap_or_else(|e| panic!("tokenize.dag should compile: {e:?}"));
-
-    let token_kind_decl = tokenize_dag
-        .declaration_by_name("TokenKind")
-        .expect("TokenKind declaration in tokenize.dag");
-    let TypeConnective::Disj {
-        variants: token_variants,
-    } = &token_kind_decl.connective
-    else {
-        panic!("TokenKind should lower to a Disj");
-    };
-    let token_variant_names: std::collections::BTreeSet<String> =
-        token_variants.iter().map(|v| v.label.clone()).collect();
-
-    let row_type_id = tables_dag
-        .declaration_by_name("PrimaryPrefixRow")
-        .expect("PrimaryPrefixRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        let token_variant = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-            .and_then(|v| match v {
-                FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("`{name}`: missing string `token_variant` field"));
-        assert!(
-            token_variant_names.contains(&token_variant),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-    }
-}
-
-#[test]
-fn primary_prefix_rows_cover_exactly_the_tokens_parse_primary_prefix_dispatches_on() {
-    let expected: std::collections::BTreeSet<&'static str> =
-        ["KwIf", "KwMatch", "LBrace", "LBracket", "Caret"]
-            .into_iter()
-            .collect();
-
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let mut got: std::collections::BTreeSet<String> = std::collections::BTreeSet::new();
-    let row_type_id = tables_dag
-        .declaration_by_name("PrimaryPrefixRow")
-        .expect("PrimaryPrefixRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        if let Some(FieldValue::Literal(LiteralBits::String(s))) = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-        {
-            got.insert(s.clone());
-        }
-    }
-    let got_ref: std::collections::BTreeSet<&str> = got.iter().map(String::as_str).collect();
-    assert_eq!(
-        expected, got_ref,
-        "primary_prefix_* rows in parse_tables.dag do not cover exactly the peek tokens \
-         `parse_primary` prefix-dispatches on"
-    );
-}
-
-#[test]
-fn every_primary_atom_row_token_variant_is_a_token_kind_variant() {
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let tokenize_dag = compile_to_dag(TOKENIZE_DAG, "src/v3/compiler/tokenize.dag")
-        .unwrap_or_else(|e| panic!("tokenize.dag should compile: {e:?}"));
-
-    let token_kind_decl = tokenize_dag
-        .declaration_by_name("TokenKind")
-        .expect("TokenKind declaration in tokenize.dag");
-    let TypeConnective::Disj {
-        variants: token_variants,
-    } = &token_kind_decl.connective
-    else {
-        panic!("TokenKind should lower to a Disj");
-    };
-    let token_variant_names: std::collections::BTreeSet<String> =
-        token_variants.iter().map(|v| v.label.clone()).collect();
-
-    let row_type_id = tables_dag
-        .declaration_by_name("PrimaryAtomRow")
-        .expect("PrimaryAtomRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let name = decl.name.as_deref().unwrap_or("<anonymous>");
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        let token_variant = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-            .and_then(|v| match v {
-                FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-                _ => None,
-            })
-            .unwrap_or_else(|| panic!("`{name}`: missing string `token_variant` field"));
-        assert!(
-            token_variant_names.contains(&token_variant),
-            "`parse_tables.dag::{name}`: token_variant `{token_variant}` is not a \
-             `TokenKind` variant in `tokenize.dag`"
-        );
-    }
-}
-
-#[test]
-fn primary_atom_rows_cover_exactly_the_tokens_parse_primary_atomic_arm() {
-    // Post-prefix bump in `parse_primary` must be one of these
-    // `TokenKind` variants; `primary_atom_class` is the fail-closed table.
-    let expected: std::collections::BTreeSet<&'static str> =
-        ["IntLit", "KwTrue", "KwFalse", "StringLit", "Pipe", "Ident"]
-            .into_iter()
-            .collect();
-
-    let tables_dag = compile_to_dag(PARSE_TABLES_DAG, "src/v3/compiler/parse_tables.dag")
-        .unwrap_or_else(|e| panic!("parse_tables.dag should compile: {e:?}"));
-    let mut got: std::collections::BTreeSet<String> = std::collections::BTreeSet::new();
-    let row_type_id = tables_dag
-        .declaration_by_name("PrimaryAtomRow")
-        .expect("PrimaryAtomRow declaration")
-        .id;
-    for decl in tables_dag.declarations() {
-        if decl.meta_tag != Some(row_type_id) {
-            continue;
-        }
-        let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-            continue;
-        };
-        if let Some(FieldValue::Literal(LiteralBits::String(s))) = fields
-            .iter()
-            .find_map(|(k, v)| (k == "token_variant").then_some(v))
-        {
-            got.insert(s.clone());
-        }
-    }
-    let got_ref: std::collections::BTreeSet<&str> = got.iter().map(String::as_str).collect();
-    assert_eq!(
-        expected, got_ref,
-        "primary_atom_* rows in parse_tables.dag do not cover exactly the `TokenKind` set for \
-         `parse_primary` after the prefix pass"
-    );
-}
-
-#[derive(Clone)]
-struct SharedDagOperatorSpec {
-    symbol: String,
-    binop: Option<String>,
-}
-
-fn shared_dag_operator_specs(source: &str) -> Vec<SharedDagOperatorSpec> {
-    dag_operator_specs(source, "data dag_operators")
-}
-
-fn v3_supported_dag_operator_specs(source: &str) -> Vec<SharedDagOperatorSpec> {
-    let specs_by_symbol: std::collections::BTreeMap<_, _> = shared_dag_operator_specs(source)
-        .into_iter()
-        .map(|spec| (spec.symbol.clone(), spec))
-        .collect();
-    v3_supported_dag_operator_symbols(source)
-        .into_iter()
-        .map(|symbol| {
-            specs_by_symbol.get(&symbol).cloned().unwrap_or_else(|| {
-                panic!(
-                    "`v3_supported_dag_operators` symbol `{symbol}` is not present in external \
-                     `dag_operators`"
-                )
-            })
-        })
-        .collect()
-}
-
-fn dag_operator_specs(source: &str, anchor: &str) -> Vec<SharedDagOperatorSpec> {
-    extract_balanced_section(source, anchor, '[', ']')
-        .split("OperatorSpec")
-        .skip(1)
-        .filter_map(|entry| {
-            let body = entry.split_once('}').map(|(body, _)| body).unwrap_or(entry);
-            if !body.contains("symbol:") {
-                return None;
-            }
-            let symbol = string_literal_after(body, "symbol:")
-                .unwrap_or_else(|| panic!("OperatorSpec entry missing string `symbol`: {body}"));
-            let binop = ident_after(body, "binop:")
-                .unwrap_or_else(|| panic!("OperatorSpec `{symbol}` missing `binop` field"));
-            Some(SharedDagOperatorSpec {
-                symbol,
-                binop: (binop != "none").then_some(binop),
-            })
-        })
-        .collect()
-}
-
-fn v3_supported_dag_operator_symbols(source: &str) -> Vec<String> {
-    parse_all_string_literals(extract_balanced_section(
-        source,
-        "data v3_supported_dag_operators",
-        '{',
-        '}',
-    ))
-}
-
-fn token_kind_for_shared_dag_operator(symbol: &str) -> &'static str {
-    match symbol {
-        "==" => "EqEq",
-        "!=" => "NotEq",
-        "<" => "Lt",
-        "<=" => "Le",
-        ">" => "Gt",
-        ">=" => "Ge",
-        "+" => "Plus",
-        "-" => "Minus",
-        "*" => "Star",
-        "/" => "Slash",
-        "&&" => "AmpAmp",
-        "||" => "PipePipe",
-        other => panic!(
-            "`v3_supported_dag_operators` binary operator `{other}` is not supported by the v3 token/parser/operator chain; \
-             remove it from the v3 projection until the full chain lands"
-        ),
-    }
-}
-
-fn operator_kind_binop_name(op: OperatorKind) -> &'static str {
-    match op {
-        OperatorKind::Arithmetic(arith) => match arith {
-            v3_compiler::dag::ArithmeticOp::Add => "Add",
-            v3_compiler::dag::ArithmeticOp::Sub => "Sub",
-            v3_compiler::dag::ArithmeticOp::Mul => "Mul",
-            v3_compiler::dag::ArithmeticOp::Div => "Div",
-        },
-        OperatorKind::Comparison(comp) => match comp {
-            v3_compiler::dag::ComparisonOp::Eq => "Eq",
-            v3_compiler::dag::ComparisonOp::Ne => "Ne",
-            v3_compiler::dag::ComparisonOp::Lt => "Lt",
-            v3_compiler::dag::ComparisonOp::Le => "Le",
-            v3_compiler::dag::ComparisonOp::Gt => "Gt",
-            v3_compiler::dag::ComparisonOp::Ge => "Ge",
-        },
-        OperatorKind::Logical(logical) => match logical {
-            v3_compiler::dag::LogicalOp::And => "And",
-            v3_compiler::dag::LogicalOp::Or => "Or",
-        },
-    }
-}
-
-fn string_field(fields: &[(String, FieldValue)], label: &str, decl_name: &str) -> String {
-    fields
-        .iter()
-        .find_map(|(k, v)| (k == label).then_some(v))
-        .and_then(|v| match v {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("`{decl_name}`: missing string `{label}` field"))
-}
-
-fn extract_balanced_section<'a>(source: &'a str, anchor: &str, open: char, close: char) -> &'a str {
-    let anchor_idx = source
-        .find(anchor)
-        .unwrap_or_else(|| panic!("missing `{anchor}` in shared syntax fixture"));
-    let tail = &source[anchor_idx..];
-    let open_rel = tail
-        .find(open)
-        .unwrap_or_else(|| panic!("missing `{open}` after `{anchor}` in shared syntax fixture"));
-    let start = anchor_idx + open_rel;
-    let mut depth = 0usize;
-    for (offset, ch) in source[start..].char_indices() {
-        if ch == open {
-            depth += 1;
-        } else if ch == close {
-            depth -= 1;
-            if depth == 0 {
-                return &source[start + open.len_utf8()..start + offset];
-            }
-        }
-    }
-    panic!("unterminated `{anchor}` section");
-}
-
-fn parse_all_string_literals(source: &str) -> Vec<String> {
-    let mut out = Vec::new();
-    let mut rest = source;
-    while let Some(start) = rest.find('"') {
-        let tail = &rest[start + 1..];
-        let end = tail
-            .find('"')
-            .unwrap_or_else(|| panic!("unterminated string literal in `{source}`"));
-        out.push(tail[..end].to_string());
-        rest = &tail[end + 1..];
-    }
-    out
-}
-
-fn string_literal_after(source: &str, label: &str) -> Option<String> {
-    let tail = source.split_once(label)?.1.trim_start();
-    let tail = tail.strip_prefix('"')?;
-    let end = tail.find('"')?;
-    Some(tail[..end].to_string())
-}
-
-fn ident_after(source: &str, label: &str) -> Option<String> {
-    let tail = source.split_once(label)?.1.trim_start();
-    let end = tail
-        .find(|c: char| !(c.is_ascii_alphanumeric() || c == '_'))
-        .unwrap_or(tail.len());
-    Some(tail[..end].to_string())
-}
diff --git a/src/v3/compiler/tests/integration/self_gen2c5_soft_keyword_ident_test.rs b/src/v3/compiler/tests/integration/self_gen2c5_soft_keyword_ident_test.rs
deleted file mode 100644
index 21f6ff1c1e4..00000000000
--- a/src/v3/compiler/tests/integration/self_gen2c5_soft_keyword_ident_test.rs
+++ /dev/null
@@ -1,40 +0,0 @@
-//! SG-2c-5 — parser-owned soft-keyword name table extraction.
-
-use v3_compiler::parse_surface::{SurfaceExpr, SurfaceItem, VariantPayload};
-
-#[test]
-fn parser_accepts_kw_type_as_generated_soft_keyword_name_alias() {
-    let source = "\
-type Example = Plain | type { type: Int }\n\
-data resource: Example = { type: 1 }\n";
-    let tokens = v3_compiler::tokenize_for_test(source, "self_gen2c5_soft_keyword_ident.v3")
-        .expect("tokenize fixture");
-    let parsed = v3_compiler::parse_for_test(&tokens, "self_gen2c5_soft_keyword_ident.v3")
-        .expect("parse fixture");
-
-    match &parsed.items[0] {
-        SurfaceItem::TypeSum { variants, .. } => {
-            assert_eq!(variants.len(), 2, "expected two variants");
-            assert_eq!(variants[1].name, "type");
-            match &variants[1].payload {
-                VariantPayload::Record(fields) => {
-                    assert_eq!(fields.len(), 1, "expected single record field");
-                    assert_eq!(fields[0].name, "type");
-                }
-                other => panic!("expected record payload, got {other:?}"),
-            }
-        }
-        other => panic!("expected first item to parse as TypeSum, got {other:?}"),
-    }
-
-    match &parsed.items[1] {
-        SurfaceItem::Data { body, .. } => match body {
-            Some(SurfaceExpr::Record { fields, .. }) => {
-                assert_eq!(fields.len(), 1, "expected single data record field");
-                assert_eq!(fields[0].name, "type");
-            }
-            other => panic!("expected data body record literal, got {other:?}"),
-        },
-        other => panic!("expected second item to parse as Data, got {other:?}"),
-    }
-}
diff --git a/src/v3/compiler/tests/integration/self_gen3_lower_parse_surface_stack_test.rs b/src/v3/compiler/tests/integration/self_gen3_lower_parse_surface_stack_test.rs
deleted file mode 100644
index 28a5c17135f..00000000000
--- a/src/v3/compiler/tests/integration/self_gen3_lower_parse_surface_stack_test.rs
+++ /dev/null
@@ -1,114 +0,0 @@
-//! **Layer:** integration
-//!
-//! SG-3f parse/parse_surface convergence guard: lowering still reads `parse::Surface*`,
-//! but `parse_surface` now names the same Rust carrier family. This pins that fixtures
-//! exercised through the full compile boundary remain consumable through the public
-//! `parse_surface` namespace with no bridging clone path in between.
-
-use v3_compiler::operators::{ArithmeticOp, OperatorKind};
-use v3_compiler::parse_surface;
-use v3_compiler::{
-    compile_to_dag, default_fixed_point_source, parse_for_test,
-    surface_top_level_let_names_for_test, tokenize_for_test,
-};
-
-fn top_level_let_names_mirror(m: &parse_surface::SurfaceModule) -> Vec<String> {
-    m.items
-        .iter()
-        .filter_map(|item| match item {
-            parse_surface::SurfaceItem::Let { name, .. } => Some(name.clone()),
-            _ => None,
-        })
-        .collect()
-}
-
-fn type_named(ty: &Option<parse_surface::SurfaceType>, want: &str) -> bool {
-    matches!(
-        ty,
-        Some(parse_surface::SurfaceType::Named { name, .. }) if name == want
-    )
-}
-
-fn literal_int(expr: &parse_surface::SurfaceExpr) -> Option<i64> {
-    match expr {
-        parse_surface::SurfaceExpr::Literal {
-            value: parse_surface::SurfaceLiteral::Int(n),
-            ..
-        } => n.parse().ok(),
-        _ => None,
-    }
-}
-
-/// Shape checks for `default_fixed_point_source()` on the **mirrored** surface.
-fn assert_default_fixed_point_mirror_shape(m: &parse_surface::SurfaceModule) {
-    assert_eq!(m.items.len(), 2);
-
-    match &m.items[0] {
-        parse_surface::SurfaceItem::Let {
-            name,
-            type_ann,
-            expr,
-        } => {
-            assert_eq!(name, "x");
-            assert!(type_named(type_ann, "Int"));
-            match expr {
-                parse_surface::SurfaceExpr::Operator { op, args, .. } => {
-                    assert_eq!(*op, OperatorKind::Arithmetic(ArithmeticOp::Add));
-                    assert_eq!(args.len(), 2);
-                    assert_eq!(literal_int(&args[0]), Some(1));
-                    assert_eq!(literal_int(&args[1]), Some(2));
-                }
-                other => panic!("expected `1 + 2` operator, got {other:?}"),
-            }
-        }
-        other => panic!("expected first let, got {other:?}"),
-    }
-
-    match &m.items[1] {
-        parse_surface::SurfaceItem::Let {
-            name,
-            type_ann,
-            expr,
-        } => {
-            assert_eq!(name, "y");
-            assert!(type_named(type_ann, "Int"));
-            match expr {
-                parse_surface::SurfaceExpr::Operator { op, args, .. } => {
-                    assert_eq!(*op, OperatorKind::Arithmetic(ArithmeticOp::Add));
-                    assert_eq!(args.len(), 2);
-                    assert!(matches!(
-                        &args[0],
-                        parse_surface::SurfaceExpr::Var { name, .. } if name == "x"
-                    ));
-                    assert_eq!(literal_int(&args[1]), Some(3));
-                }
-                other => panic!("expected `x + 3` operator, got {other:?}"),
-            }
-        }
-        other => panic!("expected second let, got {other:?}"),
-    }
-}
-
-#[test]
-fn lower_pipeline_fixture_aligns_with_parse_surface_mirror() {
-    let file = "self_gen3_lower_parse_surface_stack.v3";
-    let source = default_fixed_point_source();
-    let tokens = tokenize_for_test(source, file).expect("tokenize");
-    let parsed = parse_for_test(&tokens, file).expect("parse");
-    let mirrored: &parse_surface::SurfaceModule = &parsed;
-
-    assert_eq!(
-        mirrored.items.len(),
-        parsed.items.len(),
-        "parse_surface mirror must preserve top-level item count"
-    );
-
-    let hand_lets = surface_top_level_let_names_for_test(&parsed);
-    let mirror_lets = top_level_let_names_mirror(mirrored);
-    assert_eq!(hand_lets, mirror_lets);
-    assert_eq!(hand_lets, vec!["x".to_string(), "y".to_string()]);
-
-    assert_default_fixed_point_mirror_shape(mirrored);
-
-    compile_to_dag(source, file).expect("lower + infer should succeed on the same surface");
-}
diff --git a/src/v3/compiler/tests/integration/self_gen3_surface_reflection_consumer_test.rs b/src/v3/compiler/tests/integration/self_gen3_surface_reflection_consumer_test.rs
deleted file mode 100644
index 73d290bb97a..00000000000
--- a/src/v3/compiler/tests/integration/self_gen3_surface_reflection_consumer_test.rs
+++ /dev/null
@@ -1,120 +0,0 @@
-//! **Layer:** integration
-//!
-//! SG-3f-d consumption proof: a real `.dag` consumer reads the reflected
-//! `SurfaceModule` / `SurfaceItem` schema, emits Rust against the
-//! `parse_surface` realizations in `rust.dag`, rustc-links, and runs on
-//! parser output. This is a sub-lane receipt, not closure of full SG-3f:
-//! it closes the gap between "surface types are declared" and
-//! "surface types are consumable substrate authority."
-
-use std::path::PathBuf;
-use std::sync::OnceLock;
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit_rust::emit_rust_module;
-
-use crate::common::{HarnessLinkMode, RustcHarness};
-
-const SURFACE_CONSUMER_SOURCE: &str = r#"
-module tests.self_gen3_surface_reflection
-
-import v3.std.parse_surface { SurfaceModule, SurfaceItem }
-import std.list { List, length }
-
-fn item_kind_score(item: SurfaceItem) -> Int =
-  match item {
-    Let(_) => 0
-    Fn(_) => 0
-    FnExternalBody(_) => 0
-    Data(_) => 0
-    Module(_) => 1
-    Import(_) => 0
-    TypeAtom(_) => 0
-    TypeRecord(_) => 0
-    TypeSum(_) => 0
-    TypeAlias(_) => 0
-  }
-
-fn module_item_count(m: SurfaceModule) -> Int =
-  length(m.items)
-"#;
-
-static HARNESS: OnceLock<RustcHarness> = OnceLock::new();
-
-fn harness() -> &'static RustcHarness {
-    HARNESS.get_or_init(|| RustcHarness::new("self_gen3_surface_reflection_consumer"))
-}
-
-fn consumer_fixture_path() -> String {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("tests")
-        .join("integration")
-        .join("self_gen3_surface_reflection_consumer_fixture.dag")
-        .display()
-        .to_string()
-}
-
-fn emitted_surface_consumer_module() -> String {
-    let dag = compile_to_dag(SURFACE_CONSUMER_SOURCE, &consumer_fixture_path())
-        .expect("compile reflected-surface consumer");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "reflected-surface consumer should compile cleanly, got {:?}",
-        dag.diagnostics()
-    );
-    emit_rust_module(&dag).expect("emit Rust for reflected-surface consumer")
-}
-
-fn build_surface_consumer_harness(module_source: &str) -> PathBuf {
-    let wrapped = format!(
-        r#"
-#[allow(warnings, clippy::all)]
-mod emitted {{
-    use v3_compiler::parse_surface;
-    use v3_compiler::parse_surface::SurfaceItem;
-    {module_source}
-}}
-
-fn main() {{
-    let source = "module demo.core\nimport foo.bar {{ Baz }}\nlet x: Int = 1\nfn id<T>(x: T) -> T = x\nlet y = x";
-    let tokens = v3_compiler::tokenize_for_test(source, "self_gen3_surface_reflection_consumer.v3")
-        .expect("tokenize fixture");
-    let parsed = v3_compiler::parse_for_test(&tokens, "self_gen3_surface_reflection_consumer.v3")
-        .expect("parse fixture");
-    let mirrored: &v3_compiler::parse_surface::SurfaceModule = &parsed;
-    let item_count = emitted::module_item_count(&mirrored);
-    assert_eq!(item_count, 5, "emitted surface consumer should traverse SurfaceModule.items through emitted code");
-}}
-"#
-    );
-    harness().compile(
-        &wrapped,
-        "self_gen3_surface_consumer",
-        HarnessLinkMode::WithV3Compiler,
-    )
-}
-
-#[test]
-fn reflected_surface_consumer_dag_compiles_cleanly() {
-    let dag = compile_to_dag(SURFACE_CONSUMER_SOURCE, &consumer_fixture_path())
-        .expect("compile reflected-surface consumer");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "reflected-surface consumer should compile without diagnostics, got {:?}",
-        dag.diagnostics()
-    );
-}
-
-#[test]
-fn reflected_surface_consumer_emits_links_and_runs() {
-    let module = emitted_surface_consumer_module();
-    let bin = build_surface_consumer_harness(&module);
-    let run = std::process::Command::new(&bin)
-        .output()
-        .expect("run reflected-surface consumer harness");
-    assert!(
-        run.status.success(),
-        "surface consumer harness failed: {}",
-        String::from_utf8_lossy(&run.stderr)
-    );
-}
diff --git a/src/v3/compiler/tests/integration/self_gen6_hand_authored_census_test.rs b/src/v3/compiler/tests/integration/self_gen6_hand_authored_census_test.rs
deleted file mode 100644
index f68d0096e76..00000000000
--- a/src/v3/compiler/tests/integration/self_gen6_hand_authored_census_test.rs
+++ /dev/null
@@ -1,629 +0,0 @@
-// SG-6 hand-authored-Rust census for the driver + harness surfaces
-// SG-6 owns:
-//
-//   - `src/v3/compiler/src/bin/` — regen drivers and the self-host
-//     CI binary. The 4 per-lens regen bins collapsed to a single
-//     `regen_lens` shim that reads `src/v3/compiler/regen.dag`.
-//   - `src/v3/compiler/regen.dag` — lens registry. Every entry in
-//     the registry is tagged with `LensRegistryEntry`, so the
-//     `regen_lens` driver enumerates them structurally rather than
-//     hard-coding per-lens paths.
-//
-// The tests below pin the post-cutover census. Any new
-// hand-authored driver or mutation that silently grows the bin set
-// fails this test before it can become a hidden authority — the
-// SG-6 rule "every PR reduces the hand-authored Rust census;
-// ratchet only down" can't be upheld without a machine check.
-//
-// Scope is deliberately SG-6-local. A full `src/v3/compiler/src`
-// inventory belongs to Self-Generation-0 and is intentionally out of scope here.
-//
-// **Bounded-debt trigger: out-of-band registry copies.** `regen.dag`
-// is now the primary authority for each lens's `(name, lens_file,
-// generated_file)` triple, but two classes of downstream consumer
-// still reach for the same paths through hardcoded bytes instead of
-// resolving from the registry:
-//
-//   1. Every `m2_lens_*_migration_test.rs` under
-//      `src/v3/compiler/tests/integration/` declares a local
-//      `lens_path()` (e.g. `../lenses/complexity.dag`) and a
-//      `checked_in_generated_module()` backed by `include_str!`.
-//      The triple-ratchet below catches any divergence loudly, but
-//      the path still lives in two places.
-//
-//   2. `src/v3/compiler/src/lib.rs` (inline lens host modules, e.g.
-//      `lens_unused_parameters`, `lens_cost`)
-//      embeds each `lens_<name>_generated.rs` via `include_str!`. That
-//      call is compile-time and so is not a natural fit for a
-//      runtime registry walk, but it still duplicates the
-//      `generated_file` field structurally.
-//
-// Dissolution trigger (scoped as an SG-6 follow-up PR, not this
-// one): add a shared `tests/common` helper that walks `regen.dag`
-// and returns the absolute lens-source path for a given registry
-// name, and re-point every migration test at that helper. Once the
-// source-side path is sourced exclusively from the registry, the
-// `lens_file` column in the triple ratchet collapses into a
-// dependency on the same helper (i.e., SG-6's triple-ratchet ends
-// up pinning only `name` plus `generated_file`, because `lens_file`
-// is re-derived at read time instead of mirrored in the test).
-//
-// Until that follow-up lands, the triple ratchet below IS the
-// bridge that keeps the duplication from drifting silently — it
-// fails loudly the moment `regen.dag`, the migration-test
-// `lens_path()` helpers, or the `include_str!` targets diverge.
-
-use std::collections::{BTreeSet, HashMap};
-use std::fs;
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Dag, Declaration, FieldValue, LiteralBits, ValueBody};
-use v3_compiler::emit_rust::emit_rust_module;
-
-fn manifest_dir() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-}
-
-fn bin_dir() -> PathBuf {
-    manifest_dir().join("src").join("bin")
-}
-
-fn workspace_root() -> PathBuf {
-    manifest_dir().join("..").join("..").join("..")
-}
-
-fn rustfmt_stdout(source: &str, context: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .unwrap_or_else(|err| panic!("spawn rustfmt for {context}: {err}"));
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .unwrap_or_else(|err| panic!("write source to rustfmt for {context}: {err}"));
-    let output = child
-        .wait_with_output()
-        .unwrap_or_else(|err| panic!("wait for rustfmt for {context}: {err}"));
-    assert!(output.status.success(), "rustfmt failed on {context}");
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-/// Enumerate every entry under `src/v3/compiler/src/bin/` that Cargo's
-/// auto-discovery would promote to a bin target. Cargo picks up two
-/// shapes out of that directory:
-///
-///   1. `src/bin/<name>.rs`         — flat single-file bin, yields `<name>.rs`
-///   2. `src/bin/<name>/main.rs`    — directory-form bin,    yields `<name>/`
-///
-/// SG-6 pins both: a flat `.rs` file outside the expected set grows
-/// the hand-authored bin census, and — more subtly — a new directory
-/// under `src/bin/` with its own `main.rs` is silently a new bin even
-/// though it does not create a top-level `.rs` file. Without
-/// detecting the directory form the ratchet leaks and a new driver
-/// can land as `src/bin/foo/main.rs` without tripping the census.
-fn bin_basenames() -> BTreeSet<String> {
-    let mut out = BTreeSet::new();
-    for entry in std::fs::read_dir(bin_dir())
-        .expect("read src/v3/compiler/src/bin")
-        .filter_map(|entry| entry.ok())
-    {
-        let path = entry.path();
-        let Some(file_name) = path.file_name().and_then(|s| s.to_str()) else {
-            continue;
-        };
-        let file_type = match entry.file_type() {
-            Ok(t) => t,
-            Err(_) => continue,
-        };
-        if file_type.is_file() && path.extension().and_then(|s| s.to_str()) == Some("rs") {
-            out.insert(file_name.to_string());
-        } else if file_type.is_dir() && path.join("main.rs").is_file() {
-            // Cargo names the resulting bin after the directory itself
-            // (not `main.rs`), so store the directory label with a
-            // trailing `/` to keep the directory form distinct from a
-            // flat `<name>.rs` bin in the expected set and in error
-            // output.
-            out.insert(format!("{file_name}/"));
-        }
-    }
-    out
-}
-
-#[test]
-fn self_gen6_bin_census_is_locked_to_expected_regen_shims() {
-    // SG-1 receipts `regen_tokenize.rs` here. The tokenizer cutover uses
-    // `src/v3/compiler/tokenize.dag` as lexical authority and
-    // `regen_tokenize.rs` as the host driver that projects it into
-    // `src/v3/compiler/src/tokenize_generated.rs`. The driver does not
-    // fit the lens-registry shape that `regen_lens` enumerates (its
-    // input is tokenizer spec rows — keyword / punctuation / escape
-    // tables — not `LensRegistryEntry`-tagged lens declarations), so
-    // for SG-1 it lands as a parallel shim rather than a registry entry.
-    //
-    // Dissolution trigger (SG-2+): unify `regen_tokenize` with the
-    // registry-driven pattern — either extend `regen.dag` to carry a
-    // tokenizer-registry shape that `regen_lens` can dispatch on, or
-    // introduce a generalized "producer registry" that both lenses and
-    // the tokenizer share. Either path retires `regen_tokenize.rs` and
-    // shrinks the parallel shim set.
-    let expected: BTreeSet<String> = [
-        // F.14 / T-PB-B: `ExecuteCommand` logical child for
-        // `tests/dag/boundary_emit_gates.template.dag`. Calls
-        // `v3_compiler::boundary_emit_gates::check_*`; exits 0/1 (PR #792 host boundary).
-        // **P5 dissolution:** delete when ROADMAP.md **PB-Runtime-External-Toolchain-TestClaims**
-        // / **T-PB-B** `pb_rust_tests_outside_residual_zero` retires remaining `tests/boundary/*.rs`
-        // host shims and this bin is no longer referenced by any `.dag` `ExecuteCommand` claim.
-        "boundary_emit_gates.rs",
-        // R1C-E (T-Emit `.dag` `TestClaim` wrappers): irreducible host-shim
-        // for the `ExecuteCommand` logical child that the `.dag` claim
-        // invokes. Calls into `v3_compiler::r1c_e_gates::check_*` (single
-        // source of truth) and exits 0/1 — the bounded host-spawn boundary
-        // PR #792 / `TestPredicate::ExecuteCommand` is built around. Cannot
-        // be expressed via the `regen.dag` registry shape (the registry's
-        // job is `Dag → emitted file`; this bin's job is `process exit
-        // code` for a `.dag` predicate). Dissolution trigger: when R1
-        // closes and the `.dag` runner can express in-process compilation
-        // checks without a host child, the wrappers + bin retire together
-        // (R1 Closure dispatch on issue #973). Documented in ROADMAP T-Emit
-        // / R1C-E lane row.
-        "r1c_e_emit_gates.rs",
-        "regen_bootstrap.rs",
-        "regen_parse.rs",
-        // SG-2c-1 grammar-tables prototype: `regen_parse_tables` projects
-        // `src/v3/compiler/parse_tables.dag` into
-        // `src/v3/compiler/src/parse_tables_generated.rs`. Same host-shim
-        // posture as `regen_parse` / `regen_tokenize`: this shim
-        // dissolves into a unified producer registry when SG-2c proper
-        // lands (blocked on recursive list-body emission — see
-        // `parse_tables.dag` header).
-        "regen_parse_tables.rs",
-        "regen_tokenize.rs",
-        "regen_v3.rs",
-        "self_host_fixed_point.rs",
-    ]
-    .into_iter()
-    .map(String::from)
-    .collect();
-
-    let actual = bin_basenames();
-
-    assert_eq!(
-        actual, expected,
-        "SG-6 hand-authored bin census changed. The census is \
-         `boundary_emit_gates` (F.14 / T-PB-B class-5 boundary `.dag` `ExecuteCommand` child; \
-         dissolves with PB-Runtime-External-Toolchain-TestClaims / zero-floor boundary migration), \
-         `r1c_e_emit_gates` (R1C-E T-Emit `.dag` wrapper logical child; \
-         issue #973), `regen_parse` (reads `src/v3/std/parse_surface.dag` for Surface \
-         carriers), `regen_tokenize` (reads `src/v3/compiler/tokenize.dag`), \
-         `regen_v3`, and `self_host_fixed_point`. The `regen_lens` binary is a \
-         thin `[[bin]]` outside `src/bin/` (R3 gate #7); its driver lives in \
-         `regen_lens_driver.rs`. Adding a new bin re-introduces a \
-         per-lens (or per-target) Rust driver — the SG-6 lane requires that \
-         new regen / harness targets be added via a `.dag` registry instead. \
-         Both `src/bin/<name>.rs` (flat-file bins; basename reported) and \
-         `src/bin/<name>/main.rs` (directory-form bins; reported as `<name>/`) \
-         are counted, because Cargo's auto-discovery promotes both shapes. \
-         If you believe the new bin is genuinely irreducible host-shim work, \
-         update this ratchet in the same PR and document the reason in the \
-         ROADMAP."
-    );
-}
-
-struct RegistryRow {
-    binding: String,
-    name: String,
-    lens_file: String,
-    generated_file: String,
-}
-
-fn read_registry_rows(dag: &Dag) -> Vec<RegistryRow> {
-    let entry_type_id = dag
-        .declaration_by_name("LensRegistryEntry")
-        .map(|decl| decl.id)
-        .expect("regen.dag must declare `LensRegistryEntry`");
-
-    dag.declarations()
-        .iter()
-        .filter(|decl| decl.meta_tag == Some(entry_type_id))
-        .map(|decl| {
-            let binding = decl
-                .name
-                .clone()
-                .unwrap_or_else(|| "<anonymous>".to_string());
-            let fields = structural_fields(decl);
-            RegistryRow {
-                binding: binding.clone(),
-                name: string_field(fields, "name", &binding),
-                lens_file: string_field(fields, "lens_file", &binding),
-                generated_file: string_field(fields, "generated_file", &binding),
-            }
-        })
-        .collect()
-}
-
-fn load_registry() -> (Dag, Vec<RegistryRow>) {
-    let dag = Dag::new();
-    assert!(
-        dag.diagnostics().is_empty(),
-        "bootstrap should load `src/v3/compiler/regen.dag` cleanly, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-    let rows = read_registry_rows(&dag);
-    (dag, rows)
-}
-
-fn registry_row<'a>(rows: &'a [RegistryRow], name: &str) -> &'a RegistryRow {
-    rows.iter()
-        .find(|row| row.name == name)
-        .unwrap_or_else(|| panic!("registry row for `{name}`"))
-}
-
-fn generated_header(lens_file: &str) -> String {
-    format!(
-        "// AUTO-GENERATED from `{lens_file}` via\n\
-         // `emit_rust_module`. Regenerate instead of hand-editing.\n\n"
-    )
-}
-
-fn emit_registry_module(row: &RegistryRow) -> String {
-    let lens_path = workspace_root().join(&row.lens_file);
-    let lens_source = std::fs::read_to_string(&lens_path)
-        .unwrap_or_else(|err| panic!("read {}: {err}", lens_path.display()));
-    let dag = compile_to_dag(&lens_source, lens_path.to_string_lossy().as_ref())
-        .unwrap_or_else(|diag| panic!("compiled {}: {diag:?}", lens_path.display()));
-    assert!(
-        dag.diagnostics().is_empty(),
-        "{} should compile cleanly, got {:?}",
-        row.lens_file,
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag)
-        .unwrap_or_else(|err| panic!("emit compiled module for {}: {err:?}", row.name));
-    rustfmt_stdout(
-        &format!("{}{raw}", generated_header(&row.lens_file)),
-        &format!("generated module `{}`", row.name),
-    )
-}
-
-fn checked_in_generated_module(row: &RegistryRow) -> String {
-    let out_path = workspace_root().join(&row.generated_file);
-    std::fs::read_to_string(&out_path)
-        .unwrap_or_else(|err| panic!("read {}: {err}", out_path.display()))
-}
-
-fn structural_fields(decl: &Declaration) -> &[(String, FieldValue)] {
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "lens registry entry `{}` must carry a structural value body",
-            decl.name.as_deref().unwrap_or("<anonymous>")
-        );
-    };
-    fields.as_slice()
-}
-
-fn string_field(fields: &[(String, FieldValue)], label: &str, binding: &str) -> String {
-    fields
-        .iter()
-        .find(|(field_label, _)| field_label == label)
-        .and_then(|(_, value)| match value {
-            FieldValue::Literal(LiteralBits::String(s)) => Some(s.clone()),
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!("lens registry entry `{binding}` is missing a String `{label}` field")
-        })
-}
-
-// Full-triple ratchet over `src/v3/compiler/regen.dag`. `name`
-// alone pins `--lens` selector identity, but leaving `lens_file`
-// out-of-band would let the source path for a lens drift
-// independently of the per-lens migration tests' hard-coded
-// `lens_path()` helpers (e.g. renaming `complexity.dag` or moving
-// a lens across directories). Asserting all three fields keeps
-// every registry-visible path under one structural ratchet, so
-// any drift forces a paired edit across `regen.dag`, this test,
-// and the referring migration test.
-#[test]
-fn self_gen6_regen_dag_registry_triples_are_pinned() {
-    let (_dag, mut rows) = load_registry();
-    rows.sort_by(|a, b| a.name.cmp(&b.name));
-
-    let expected: Vec<(&str, &str, &str)> = vec![
-        (
-            "cost",
-            "src/v3/lenses/complexity.dag",
-            "src/v3/compiler/src/complexity_lens_generated.rs",
-        ),
-        (
-            "cost_symbolic",
-            "src/v3/lenses/cost.dag",
-            "src/v3/compiler/src/cost_symbolic_lens_generated.rs",
-        ),
-        (
-            "cost_target_realization",
-            "src/v3/lenses/cost_target_realization.dag",
-            "src/v3/compiler/src/lens_cost_target_realization_generated.rs",
-        ),
-        (
-            "effect_enumeration",
-            "src/v3/lenses/effect_enumeration.dag",
-            "src/v3/compiler/src/lens_effect_enumeration_generated.rs",
-        ),
-        (
-            "idempotency",
-            "src/v3/lenses/idempotency.dag",
-            "src/v3/compiler/src/lens_idempotency_generated.rs",
-        ),
-        (
-            "infer_helpers",
-            "src/v3/lenses/infer_helpers.dag",
-            "src/v3/compiler/src/infer_helpers_generated.rs",
-        ),
-        (
-            "lower_helpers",
-            "src/v3/lenses/lower_helpers.dag",
-            "src/v3/compiler/src/lower_helpers_generated.rs",
-        ),
-        (
-            "parallelism",
-            "src/v3/lenses/parallelism.dag",
-            "src/v3/compiler/src/lens_parallelism_generated.rs",
-        ),
-        (
-            "provenance",
-            "src/v3/lenses/provenance.dag",
-            "src/v3/compiler/src/lens_provenance_generated.rs",
-        ),
-        (
-            "structural_resolution",
-            "src/v3/lenses/structural_resolution.dag",
-            "src/v3/compiler/src/lens_structural_resolution_generated.rs",
-        ),
-        (
-            "unused_parameters",
-            "src/v3/lenses/unused_parameters.dag",
-            "src/v3/compiler/src/lens_unused_parameters_generated.rs",
-        ),
-        (
-            "variant_payload",
-            "src/v3/lenses/variant_payload.dag",
-            "src/v3/compiler/src/variant_payload_generated.rs",
-        ),
-    ];
-
-    let actual: Vec<(&str, &str, &str)> = rows
-        .iter()
-        .map(|row| {
-            (
-                row.name.as_str(),
-                row.lens_file.as_str(),
-                row.generated_file.as_str(),
-            )
-        })
-        .collect();
-
-    assert_eq!(
-        actual, expected,
-        "lens registry triple drift. Every `(name, lens_file, \
-         generated_file)` tuple is pinned so changing the source path \
-         or output path of a lens has to land in the same PR as the \
-         registry edit and the matching migration-test update. If a \
-         lens is being added, renamed, relocated, or retired, update \
-         `src/v3/compiler/regen.dag`, this snapshot, the corresponding \
-         `m2_lens_*_migration_test.rs` hard-coded `lens_path()`, and \
-         any `include_str!` in `src/v3/compiler/src/lib.rs` in the \
-         same commit."
-    );
-}
-
-// `--lens <name>` is the selection key in `regen_lens`'s CLI surface.
-// If two registry entries carry the same `name`, the driver cannot
-// distinguish them and the first-match-wins iteration order becomes
-// a hidden contract. The driver itself fails closed on this case in
-// `read_registry`; the test below pins the invariant at the registry
-// source so the structural guarantee is visible at the authority.
-#[test]
-fn self_gen6_lens_registry_names_are_unique() {
-    let (_dag, rows) = load_registry();
-    let mut seen: HashMap<String, String> = HashMap::new();
-    for row in &rows {
-        if let Some(prior_binding) = seen.get(&row.name) {
-            panic!(
-                "lens registry has duplicate `name` `{name}`: first declared by `{prior}`, re-declared by `{current}`. \
-                 `regen_lens --lens {name}` would resolve ambiguously. Rename one entry in `src/v3/compiler/regen.dag`.",
-                name = row.name,
-                prior = prior_binding,
-                current = row.binding,
-            );
-        }
-        seen.insert(row.name.clone(), row.binding.clone());
-    }
-}
-
-// Two entries pointing at the same `generated_file` would let each
-// overwrite the other when `regen_lens` runs with no `--lens` filter
-// (full-registry pass). The driver fails closed on duplicates; this
-// test mirrors that invariant at the registry source.
-#[test]
-fn self_gen6_lens_registry_generated_files_are_unique() {
-    let (_dag, rows) = load_registry();
-    let mut seen: HashMap<String, String> = HashMap::new();
-    for row in &rows {
-        if let Some(prior_binding) = seen.get(&row.generated_file) {
-            panic!(
-                "lens registry has duplicate `generated_file` `{path}`: first declared by `{prior}`, re-declared by `{current}`. \
-                 Running `regen_lens` with no filter would have each entry clobber the other.",
-                path = row.generated_file,
-                prior = prior_binding,
-                current = row.binding,
-            );
-        }
-        seen.insert(row.generated_file.clone(), row.binding.clone());
-    }
-}
-
-// The reviewer ask from #560 made explicit: `--lens <name>` must
-// resolve to exactly one entry. Uniqueness is the structural
-// guarantee; this test exercises the resolver against each real
-// registry name and asserts a singleton match, locking in the
-// contract the driver's `--lens` argument depends on.
-#[test]
-fn self_gen6_lens_registry_names_resolve_to_singleton_entry() {
-    let (_dag, rows) = load_registry();
-    let known_names: Vec<String> = rows.iter().map(|row| row.name.clone()).collect();
-    for name in &known_names {
-        let matches: Vec<&RegistryRow> = rows.iter().filter(|row| row.name == *name).collect();
-        assert_eq!(
-            matches.len(),
-            1,
-            "`--lens {name}` must resolve to exactly one entry, found {count}: {bindings:?}",
-            count = matches.len(),
-            bindings = matches
-                .iter()
-                .map(|row| row.binding.as_str())
-                .collect::<Vec<_>>(),
-        );
-    }
-}
-
-// Band-C cementing: `cementing_dispatch.dag` is exercised through
-// `t_pb_b_1_dag_runner_test::cementing_dispatch_suite_passes_through_runner`. SG-6 owns
-// integration harness glue checks; this ratchet lives here so CI stays honest when the
-// runner wiring drifts.
-#[test]
-fn self_gen6_cementing_dispatch_dag_is_wired_in_runner_receipt() {
-    let path = manifest_dir()
-        .join("tests")
-        .join("integration")
-        .join("t_pb_b_1_dag_runner_test.rs");
-    let text = fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-    assert!(
-        text.contains("cementing_dispatch.dag"),
-        "{} must reference `cementing_dispatch.dag` so the Band-C dispatch suite stays wired through the PB-B-1 runner receipt.",
-        path.display(),
-    );
-    assert!(
-        text.contains("cementing_dispatch_suite"),
-        "{} must reference suite name `cementing_dispatch_suite` alongside the `.dag` include.",
-        path.display(),
-    );
-}
-
-#[test]
-fn self_gen6_infer_helpers_generated_module_matches_checked_in_snapshot() {
-    let (_dag, rows) = load_registry();
-    let row = registry_row(&rows, "infer_helpers");
-    let fresh = emit_registry_module(row);
-    assert_eq!(
-        fresh.trim(),
-        checked_in_generated_module(row).trim(),
-        "checked-in generated module is stale; regenerate {} from {} via `cargo run -p v3-compiler --bin regen_lens -- --lens {}`",
-        row.generated_file,
-        row.lens_file,
-        row.name,
-    );
-}
-
-#[test]
-#[ignore]
-fn self_gen6_emit_infer_helpers_snapshot() {
-    let (_dag, rows) = load_registry();
-    let row = registry_row(&rows, "infer_helpers");
-    let fresh = emit_registry_module(row);
-    let out_path = workspace_root().join(&row.generated_file);
-    std::fs::write(&out_path, fresh)
-        .unwrap_or_else(|err| panic!("write {}: {err}", out_path.display()));
-    println!("wrote {}", out_path.display());
-}
-
-#[test]
-fn self_gen6_lower_helpers_generated_module_matches_checked_in_snapshot() {
-    let (_dag, rows) = load_registry();
-    let row = registry_row(&rows, "lower_helpers");
-    let fresh = emit_registry_module(row);
-    assert_eq!(
-        fresh.trim(),
-        checked_in_generated_module(row).trim(),
-        "checked-in generated module is stale; regenerate {} from {} via `cargo run -p v3-compiler --bin regen_lens -- --lens {}`",
-        row.generated_file,
-        row.lens_file,
-        row.name,
-    );
-}
-
-#[test]
-#[ignore]
-fn self_gen6_emit_lower_helpers_snapshot() {
-    let (_dag, rows) = load_registry();
-    let row = registry_row(&rows, "lower_helpers");
-    let fresh = emit_registry_module(row);
-    let out_path = workspace_root().join(&row.generated_file);
-    std::fs::write(&out_path, fresh)
-        .unwrap_or_else(|err| panic!("write {}: {err}", out_path.display()));
-    println!("wrote {}", out_path.display());
-}
-
-// Director/Codex follow-up on #560: prove the real CLI path works, not
-// just the structural registry ratchets. This smoke test runs the
-// built `regen_lens` binary against a single concrete registry entry
-// and asserts three things:
-//   1. `--lens <name>` exits successfully,
-//   2. stdout reports the expected generated target path, and
-//   3. the checked-in generated file is unchanged after the run.
-//
-// If the file bytes change, restore the original snapshot before
-// failing so a local red test does not leave the worktree dirty.
-budgeted_test! {
-    15_000,
-    self_gen6_regen_lens_cli_smoke_regenerates_named_entry_without_drift,
-    {
-        let (_dag, rows) = load_registry();
-        let row = registry_row(&rows, "cost");
-
-        let out_path = workspace_root().join(&row.generated_file);
-        let before = std::fs::read(&out_path).expect("read checked-in generated file");
-
-        let output = Command::new(env!("CARGO_BIN_EXE_regen_lens"))
-            .current_dir(manifest_dir())
-            .arg("--lens")
-            .arg(&row.name)
-            .output()
-            .expect("run regen_lens binary");
-
-        assert!(
-            output.status.success(),
-            "regen_lens --lens {} failed:\nstdout:\n{}\nstderr:\n{}",
-            row.name,
-            String::from_utf8_lossy(&output.stdout),
-            String::from_utf8_lossy(&output.stderr),
-        );
-
-        let stdout = String::from_utf8(output.stdout).expect("regen_lens stdout should be utf-8");
-        assert_eq!(
-            stdout.trim(),
-            format!("wrote {}", out_path.display()),
-            "`regen_lens --lens {}` should report the single generated target it rewrote",
-            row.name,
-        );
-
-        let after = std::fs::read(&out_path).expect("read regenerated file");
-        if after != before {
-            std::fs::write(&out_path, &before)
-                .expect("restore checked-in generated file after smoke drift");
-        }
-        assert_eq!(
-            after, before,
-            "`regen_lens --lens {}` changed `{}`. The smoke test expects the CLI path to be clean against the checked-in snapshot; if this fails, regenerate in the same PR that updates the snapshot.",
-            row.name,
-            row.generated_file,
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/self_gen7_prep_variant_payload_freshness_test.rs b/src/v3/compiler/tests/integration/self_gen7_prep_variant_payload_freshness_test.rs
deleted file mode 100644
index c6eae816f29..00000000000
--- a/src/v3/compiler/tests/integration/self_gen7_prep_variant_payload_freshness_test.rs
+++ /dev/null
@@ -1,86 +0,0 @@
-//! SG-7 prep — freshness ratchet for `variant_payload_generated.rs`.
-//!
-//! Mirrors `self_gen4_prep_infer_helpers_freshness_test.rs`: recompile the `.dag`
-//! authority, render through `emit_rust_module`, rustfmt the result, and
-//! compare against the checked-in projection.
-
-use std::io::Write;
-use std::path::PathBuf;
-use std::process::{Command, Stdio};
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::emit_rust::emit_rust_module;
-
-const GENERATED_HEADER: &str = "// AUTO-GENERATED from `src/v3/lenses/variant_payload.dag` via\n\
-     // `emit_rust_module`. Regenerate instead of hand-editing.\n\n";
-
-fn lens_path() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("lenses")
-        .join("variant_payload.dag")
-}
-
-fn lens_source() -> String {
-    std::fs::read_to_string(lens_path()).expect("read variant_payload.dag")
-}
-
-fn emit_lens_module() -> String {
-    let path = lens_path();
-    let dag = compile_to_dag(&lens_source(), path.to_string_lossy().as_ref())
-        .expect("compiled variant_payload source");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "variant_payload.dag should compile cleanly, got {:?}",
-        dag.diagnostics()
-    );
-    let raw = emit_rust_module(&dag).expect("emit compiled variant_payload module");
-    format_rust_source(&format!("{GENERATED_HEADER}{raw}"))
-}
-
-fn checked_in_generated_module() -> &'static str {
-    include_str!("../../src/variant_payload_generated.rs")
-}
-
-fn format_rust_source(source: &str) -> String {
-    let mut child = Command::new("rustfmt")
-        .arg("--emit")
-        .arg("stdout")
-        .stdin(Stdio::piped())
-        .stdout(Stdio::piped())
-        .spawn()
-        .expect("spawn rustfmt");
-    child
-        .stdin
-        .as_mut()
-        .expect("rustfmt stdin")
-        .write_all(source.as_bytes())
-        .expect("write source to rustfmt");
-    let output = child.wait_with_output().expect("wait for rustfmt");
-    assert!(
-        output.status.success(),
-        "rustfmt failed on emitted variant_payload module"
-    );
-    String::from_utf8(output.stdout).expect("rustfmt output should be utf-8")
-}
-
-#[test]
-fn variant_payload_generated_module_matches_checked_in_snapshot() {
-    let fresh = emit_lens_module();
-    assert_eq!(
-        fresh.trim(),
-        checked_in_generated_module().trim(),
-        "checked-in generated module is stale; regenerate variant_payload_generated.rs via `cargo run -p v3-compiler --bin regen_lens -- --lens variant_payload`"
-    );
-}
-
-#[test]
-#[ignore]
-fn emit_variant_payload_snapshot() {
-    let fresh = emit_lens_module();
-    let out_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("src")
-        .join("variant_payload_generated.rs");
-    std::fs::write(&out_path, fresh).expect("write variant_payload_generated.rs");
-    println!("wrote {}", out_path.display());
-}
diff --git a/src/v3/compiler/tests/integration/shape_a_target_source_filtering_authority_test.rs b/src/v3/compiler/tests/integration/shape_a_target_source_filtering_authority_test.rs
deleted file mode 100644
index 546cf3b4442..00000000000
--- a/src/v3/compiler/tests/integration/shape_a_target_source_filtering_authority_test.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-//! **Layer:** integration
-//!
-//! Regen-clean ratchet: Shape-A Rust/Go/Python target specs must bind
-//! `*_source_filtering.internal` to the single canonical
-//! `data internal_source_filtering` in `computation_model.dag`, not fork
-//! independent `excluded_prefixes` lists (internal/bootstrap declaration
-//! prefix drift across targets).
-
-const COMPUTATION_MODEL: &str = include_str!("../../../std/computation_model.dag");
-const RUST_SPEC: &str = include_str!("../../../spec/rust.dag");
-const GO_SPEC: &str = include_str!("../../../spec/go.dag");
-const PYTHON_SPEC: &str = include_str!("../../../spec/python.dag");
-
-const CANONICAL_BINDING: &str = "internal: internal_source_filtering";
-
-/// Returns the `{ ... }` value block for a `data <name>: <Ty> = {` row starting
-/// at `row_prefix` (must be unique in `spec`). Used so the canonical `internal`
-/// binding is asserted inside the specific declaration, not anywhere in the file.
-fn struct_value_block<'a>(spec: &'a str, row_prefix: &str) -> &'a str {
-    let pos = spec.find(row_prefix).unwrap_or_else(|| {
-        panic!("expected `{row_prefix}` in spec");
-    });
-    let tail = &spec[pos..];
-    let open = tail
-        .find('{')
-        .unwrap_or_else(|| panic!("expected `{{` after `{row_prefix}`"));
-    let from_brace = &tail[open..];
-    let mut depth: i32 = 0;
-    let mut end_byte = 0usize;
-    for (i, c) in from_brace.char_indices() {
-        match c {
-            '{' => depth += 1,
-            '}' => {
-                depth -= 1;
-                if depth == 0 {
-                    end_byte = i + c.len_utf8();
-                    break;
-                }
-            }
-            _ => {}
-        }
-    }
-    assert!(end_byte > 0, "unclosed `{{` for `{row_prefix}`");
-    &from_brace[..end_byte]
-}
-
-#[test]
-fn computation_model_declares_internal_source_filtering() {
-    assert!(
-        COMPUTATION_MODEL.contains("data internal_source_filtering: SourceFiltering"),
-        "expected `data internal_source_filtering: SourceFiltering` in computation_model.dag"
-    );
-}
-
-#[test]
-fn shape_a_target_specs_reference_canonical_internal_source_filtering() {
-    for (label, row, spec) in [
-        (
-            "rust.dag",
-            "data rust_source_filtering: ShapeATargetSourceFiltering",
-            RUST_SPEC,
-        ),
-        (
-            "go.dag",
-            "data go_source_filtering: ShapeATargetSourceFiltering",
-            GO_SPEC,
-        ),
-        (
-            "python.dag",
-            "data python_source_filtering: ShapeATargetSourceFiltering",
-            PYTHON_SPEC,
-        ),
-    ] {
-        assert!(spec.contains(row), "{label}: expected `{row}`");
-        let block = struct_value_block(spec, row);
-        assert!(
-            block.contains(CANONICAL_BINDING),
-            "{label}: `{row}` value must bind `{CANONICAL_BINDING}` (got block: {block:?})"
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/symbolic_cost_expr_equals_executable_ratchet_test.rs b/src/v3/compiler/tests/integration/symbolic_cost_expr_equals_executable_ratchet_test.rs
deleted file mode 100644
index 9daac88b646..00000000000
--- a/src/v3/compiler/tests/integration/symbolic_cost_expr_equals_executable_ratchet_test.rs
+++ /dev/null
@@ -1,96 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 §1.8 gate **#40** `symbolic_cost_expr_equals_executable`
-//! (T-CostLens-Composition): behavior-first NYI-shell-retirement ratchet.
-//!
-//! Asserts via the `TestRunner` interface — **not** by source-text grep —
-//! that a well-shaped `TestClaim` with predicate `SymbolicCostExprEquals`
-//! produces `ClaimResult::Pass` and **never** `ClaimResult::NotYetImplemented(_)`.
-//! The latter is the dispatch-fallthrough shell the gate-#40 predicate
-//! ratchets away from (see `docs/r3-structure.md:115`,
-//! `docs/r3-program-plan.md` §1.8 row #40). Wider pass / fail-closed
-//! receipts (typed-shape Fail paths under `validate_symbolic_cost_ref`,
-//! type + value mismatch spellings) live in
-//! `m1_5_verification_test.rs::symbolic_cost_expr_equals_fail_closed_*`
-//! and the smoke / countdown demo suites — those exercise the dedicated
-//! evaluator's typed-shape rejection paths.
-//!
-//! Robust to refactors: dispatch reshaping, helper renames, and message-
-//! text edits do not trip this test — only an actual regression to the
-//! `NotYetImplemented` dispatcher fallthrough does.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-/// Minimal well-shaped fixture: should evaluate to `Pass`. If the
-/// dispatch arm regresses, the runner falls through to the generic
-/// `TestPredicate::{other} is not wired in the Rust runner yet`
-/// shell and emits `NotYetImplemented` — which this test forbids.
-const WELL_SHAPED_FIXTURE: &str = r#"
-module std.symbolic_cost_expr_equals_executable_ratchet_well_shaped
-
-import std.verification {
-  SymbolicCostExprEquals,
-  TestClaim,
-  TestSuite
-}
-import std.algebra { SymbolicCost }
-
-data expected_cost: SymbolicCost = ConstantCost(0)
-
-data well_shaped_claim: TestClaim = {
-  name: "symbolic_cost_expr_equals_executable_ratchet_well_shaped_claim",
-  source: "let lit: Int = 7",
-  file_name: "ratchet_well_shaped.v3",
-  predicate: SymbolicCostExprEquals(expected_cost),
-  requires: []
-}
-
-data well_shaped_suite: TestSuite = {
-  name: "symbolic_cost_expr_equals_executable_ratchet_well_shaped_suite",
-  claims: [Enumerated(well_shaped_claim)]
-}
-"#;
-
-fn compile_fixture(src: &str, file: &str) -> v3_compiler::dag::Dag {
-    match compile_to_dag(src, file) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "gate #40 ratchet fixture must compile cleanly: {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "gate #40 ratchet fixture should not produce semantic errors: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("gate #40 ratchet fixture compile error: {other:?}"),
-    }
-}
-
-#[test]
-fn symbolic_cost_expr_equals_well_shaped_claim_passes_and_never_returns_not_yet_implemented() {
-    let dag = compile_fixture(WELL_SHAPED_FIXTURE, "ratchet_well_shaped.dag");
-    let results = TestRunner::new(&dag).run_suite("well_shaped_suite");
-    assert_eq!(results.len(), 1, "exactly one claim in the ratchet suite");
-    let result = &results[0].result;
-    match result {
-        ClaimResult::Pass => {}
-        ClaimResult::NotYetImplemented(msg) => panic!(
-            "R3 gate #40 (`symbolic_cost_expr_equals_executable`): \
-             `SymbolicCostExprEquals` must execute through the runner \
-             dispatcher — observed `NotYetImplemented` fallthrough, \
-             meaning the dispatch arm has regressed back to the shell \
-             this gate ratchets away from. Runner message: {msg}"
-        ),
-        ClaimResult::Fail(msg) => panic!(
-            "R3 gate #40: well-shaped `SymbolicCostExprEquals` ratchet \
-             must Pass — observed `Fail`, indicating the dedicated \
-             evaluator regressed on the well-shaped path. Runner \
-             message: {msg}"
-        ),
-    }
-}
diff --git a/src/v3/compiler/tests/integration/t_gate_106_show_correct_code_diagnostic_coverage_test.rs b/src/v3/compiler/tests/integration/t_gate_106_show_correct_code_diagnostic_coverage_test.rs
deleted file mode 100644
index 43d0e035277..00000000000
--- a/src/v3/compiler/tests/integration/t_gate_106_show_correct_code_diagnostic_coverage_test.rs
+++ /dev/null
@@ -1,298 +0,0 @@
-//! **Layer:** integration
-//!
-//! Consumer receipt for R3 §1.8 gate #106 `show_correct_code_diagnostic_coverage`
-//! (`docs/r3-program-plan.md` §1.8 row 106): substrate carriers at
-//! `src/v3/std/diagnostics.dag` (`Correction`, `CorrectionWitness`, `RetirementPlan`,
-//! mandatory `Diagnostic.correction`) plus a compile-time live-correction roundtrip
-//! anchor (break → diagnose → apply → recompile with zero diagnostics).
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{Dag, DeclarationId, TypeConnective};
-use v3_compiler::diagnostics::{
-    apply_correction_and_reparse, Correction, Diagnostic as HostDiagnostic,
-};
-use v3_compiler::generated_full_bootstrap_dag;
-use v3_compiler::CompileError;
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn conj_field_ty(dag: &Dag, name: &str, field: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => {
-            children
-                .iter()
-                .find(|f| f.label == field)
-                .unwrap_or_else(|| panic!("`{name}` missing `{field}` field"))
-                .ty
-        }
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-fn decl_id_by_name(dag: &Dag, name: &str) -> DeclarationId {
-    dag.declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"))
-        .id
-}
-
-fn variant_payload_field_labels_sorted(
-    dag: &Dag,
-    sum_name: &str,
-    variant_label: &str,
-) -> Vec<String> {
-    let sum_decl = dag
-        .declaration_by_name(sum_name)
-        .unwrap_or_else(|| panic!("`{sum_name}` missing from full bootstrap"));
-    let variants = match &sum_decl.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("`{sum_name}` is not a Disj: {other:?}"),
-    };
-    let variant = variants
-        .iter()
-        .find(|v| v.label == variant_label)
-        .unwrap_or_else(|| panic!("`{sum_name}` missing `{variant_label}` variant"));
-    let payload_decl = dag.declaration(variant.ty);
-    let mut labels: Vec<String> = match &payload_decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        conn => panic!("`{sum_name}::{variant_label}` payload is not a Conj: {conn:?}"),
-    };
-    labels.sort();
-    labels
-}
-
-fn variant_payload_field_ty(
-    dag: &Dag,
-    sum_name: &str,
-    variant_label: &str,
-    field_label: &str,
-) -> DeclarationId {
-    let sum_decl = dag
-        .declaration_by_name(sum_name)
-        .unwrap_or_else(|| panic!("`{sum_name}` missing from full bootstrap"));
-    let variants = match &sum_decl.connective {
-        TypeConnective::Disj { variants } => variants,
-        other => panic!("`{sum_name}` is not a Disj: {other:?}"),
-    };
-    let variant = variants
-        .iter()
-        .find(|v| v.label == variant_label)
-        .unwrap_or_else(|| panic!("`{sum_name}` missing `{variant_label}` variant"));
-    let payload_decl = dag.declaration(variant.ty);
-    let fields = match &payload_decl.connective {
-        TypeConnective::Conj { children } => children,
-        conn => panic!("`{sum_name}::{variant_label}` payload is not a Conj: {conn:?}",),
-    };
-    fields
-        .iter()
-        .find(|f| f.label == field_label)
-        .unwrap_or_else(|| panic!("`{sum_name}::{variant_label}` missing `{field_label}` field"))
-        .ty
-}
-
-#[test]
-fn gate_106_correction_sum_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    assert_eq!(
-        disj_variant_labels(&dag, "Correction"),
-        vec![
-            "LiveCorrection".to_string(),
-            "DeferredCorrection".to_string()
-        ],
-        "Correction coproduct drifted from row #106 ratified shape (`diagnostics.dag`)"
-    );
-}
-
-#[test]
-fn gate_106_correction_witness_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut labels = conj_field_labels(&dag, "CorrectionWitness");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec![
-            "description".to_string(),
-            "new_source".to_string(),
-            "span".to_string(),
-        ],
-        "CorrectionWitness field set drifted from row #106 ratification"
-    );
-    let string_id = decl_id_by_name(&dag, "String");
-    let span_id = decl_id_by_name(&dag, "SourceSpan");
-    assert_eq!(
-        conj_field_ty(&dag, "CorrectionWitness", "description"),
-        string_id,
-        "`CorrectionWitness.description` must be `String`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "CorrectionWitness", "span"),
-        span_id,
-        "`CorrectionWitness.span` must be `SourceSpan`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "CorrectionWitness", "new_source"),
-        string_id,
-        "`CorrectionWitness.new_source` must be `String`"
-    );
-}
-
-#[test]
-fn gate_106_retirement_plan_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut labels = conj_field_labels(&dag, "RetirementPlan");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec!["exit_condition".to_string(), "owner".to_string()],
-        "RetirementPlan field set drifted from row #106 ratification"
-    );
-    let string_id = decl_id_by_name(&dag, "String");
-    assert_eq!(
-        conj_field_ty(&dag, "RetirementPlan", "owner"),
-        string_id,
-        "`RetirementPlan.owner` must be `String`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "RetirementPlan", "exit_condition"),
-        string_id,
-        "`RetirementPlan.exit_condition` must be `String`"
-    );
-}
-
-#[test]
-fn gate_106_diagnostic_record_carries_mandatory_correction_field() {
-    let dag = generated_full_bootstrap_dag();
-    let correction_id = decl_id_by_name(&dag, "Correction");
-    let any_kind_id = decl_id_by_name(&dag, "AnyDiagnosticKind");
-    let span_id = decl_id_by_name(&dag, "SourceSpan");
-    let string_id = decl_id_by_name(&dag, "String");
-
-    let mut labels = conj_field_labels(&dag, "Diagnostic");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec![
-            "correction".to_string(),
-            "kind".to_string(),
-            "message".to_string(),
-            "span".to_string(),
-        ],
-        "substrate Diagnostic record drifted — mandatory `correction` authority lives in diagnostics.dag"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "Diagnostic", "kind"),
-        any_kind_id,
-        "`Diagnostic.kind` must remain `AnyDiagnosticKind` (Q6.5 widening)"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "Diagnostic", "span"),
-        span_id,
-        "`Diagnostic.span` must be `SourceSpan`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "Diagnostic", "message"),
-        string_id,
-        "`Diagnostic.message` must be `String`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "Diagnostic", "correction"),
-        correction_id,
-        "`Diagnostic.correction` must point at substrate `Correction` (no nullable carrier)"
-    );
-}
-
-#[test]
-fn gate_106_live_correction_variant_payload_locked() {
-    let dag = generated_full_bootstrap_dag();
-    assert_eq!(
-        variant_payload_field_labels_sorted(&dag, "Correction", "LiveCorrection"),
-        vec!["witness".to_string()],
-        "`LiveCorrection` payload field-set must match diagnostics.dag (no extras / omissions)"
-    );
-    let witness_id = decl_id_by_name(&dag, "CorrectionWitness");
-    assert_eq!(
-        variant_payload_field_ty(&dag, "Correction", "LiveCorrection", "witness"),
-        witness_id,
-        "`LiveCorrection` payload must carry `witness: CorrectionWitness`"
-    );
-}
-
-#[test]
-fn gate_106_deferred_correction_variant_payload_locked() {
-    let dag = generated_full_bootstrap_dag();
-    assert_eq!(
-        variant_payload_field_labels_sorted(&dag, "Correction", "DeferredCorrection"),
-        vec!["reason".to_string(), "retirement_plan".to_string(),],
-        "`DeferredCorrection` payload field-set must match diagnostics.dag (no extras / omissions)"
-    );
-    let string_id = decl_id_by_name(&dag, "String");
-    let plan_id = decl_id_by_name(&dag, "RetirementPlan");
-    assert_eq!(
-        variant_payload_field_ty(&dag, "Correction", "DeferredCorrection", "reason"),
-        string_id,
-        "`DeferredCorrection.reason` must be `String`"
-    );
-    assert_eq!(
-        variant_payload_field_ty(&dag, "Correction", "DeferredCorrection", "retirement_plan",),
-        plan_id,
-        "`DeferredCorrection.retirement_plan` must be `RetirementPlan`"
-    );
-}
-
-#[test]
-fn gate_106_type_mismatch_live_correction_roundtrip_recompiles_cleanly() {
-    let source = "let x: Bool = 1\n";
-    let file = "gate_106_type_mismatch_roundtrip.v3";
-    let dag = match compile_to_dag(source, file) {
-        Err(CompileError::Semantic(dag)) => dag,
-        other => panic!("expected semantic failure for {file}, got {other:?}"),
-    };
-    let diagnostic = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diagnostic)| match diagnostic {
-            HostDiagnostic::TypeMismatch { .. } => Some(diagnostic),
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected TypeMismatch diagnostic, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    assert!(
-        matches!(diagnostic.correction(), Correction::LiveCorrection { .. }),
-        "gate #106 anchor expects LiveCorrection for Bool/Int mismatch; got {:?}",
-        diagnostic.correction()
-    );
-    let fix = diagnostic.correction();
-    let repaired = apply_correction_and_reparse(source, file, fix).unwrap_or_else(|error| {
-        panic!("correction should apply for {file}: {fix:?}\nerror: {error:?}")
-    });
-    match compile_to_dag(&repaired, file) {
-        Ok(_) => {}
-        Err(other) => panic!(
-            "expected clean compile after applying correction: {other:?}\nrepaired:\n{repaired}"
-        ),
-    }
-}
diff --git a/src/v3/compiler/tests/integration/t_gate_58_apply_lens_self_application_test.rs b/src/v3/compiler/tests/integration/t_gate_58_apply_lens_self_application_test.rs
deleted file mode 100644
index 315ab262762..00000000000
--- a/src/v3/compiler/tests/integration/t_gate_58_apply_lens_self_application_test.rs
+++ /dev/null
@@ -1,170 +0,0 @@
-//! **Layer:** integration
-//!
-//! §1.8 / gate #58 `apply_lens_self_application_demonstrated`: `EnforcedApplication` with
-//! `timing_enforceable` on modeled CI `Workflow` data (`timing_lens.dag` + host consumer in
-//! `enforced_lens_application.rs`).
-//!
-//! The pass witness is authored in `src/v3/std/t_ci_workflow_as_data_demo.dag` (typed section
-//! witness `gate_58_modeled_ci_timing_measurement` + `gate_58_apply_lens_self_application_pass`) and
-//! is compiled into the committed PB-1 bootstrap snapshot. Fail-closed budget arithmetic is
-//! unit-tested in `enforced_lens_application.rs`.
-
-use std::fs;
-use std::path::PathBuf;
-
-use crate::common::cached_compile_outcome;
-use crate::common::CachedCompileOutcome;
-
-use v3_compiler::{
-    check_enforced_lens_applications, gate_58_test_parse_timing_budget_violation_max_ns_pair,
-    gate_58_test_raise_modeled_ci_timing_measurement_duration_ns, generated_full_bootstrap_dag,
-    Diagnostic,
-};
-
-const VIOLATION_FIXTURE_REL: &str =
-    "src/v3/compiler/tests/fixtures/t_gate_58_timing_enforcement_budget_violation.dag";
-const VIOLATION_FILE_NAME: &str = "t_gate_58_timing_enforcement_budget_violation.dag";
-
-#[test]
-fn apply_lens_self_application_demonstrated_bootstrap_receipt() {
-    let mut dag = generated_full_bootstrap_dag();
-    assert!(
-        dag.declaration_by_name("gate_58_apply_lens_self_application_pass")
-            .is_some(),
-        "bootstrap must include gate #58 timing `EnforcedApplication` pass witness (`gate_58_apply_lens_self_application_pass`)"
-    );
-    assert!(
-        dag.declaration_by_name("modeled_gunbc_ci_workflow")
-            .is_some(),
-        "bootstrap must include modeled CI `Workflow` (`modeled_gunbc_ci_workflow`)"
-    );
-    assert!(
-        dag.declaration_by_name("timing_enforceable").is_some(),
-        "bootstrap must include `timing_enforceable` (`timing_lens.dag`)"
-    );
-    assert!(
-        dag.declaration_by_name("gate_58_modeled_ci_timing_measurement")
-            .is_some(),
-        "bootstrap must include gate #58 timing witness row"
-    );
-    assert!(
-        dag.diagnostics().is_empty(),
-        "unexpected bootstrap diagnostics: {:?}",
-        dag.diagnostics()
-    );
-
-    check_enforced_lens_applications(&mut dag);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "post-infer timing `EnforcedApplication` check must stay clean on the gate #58 pass witness; got {:?}",
-        dag.diagnostics()
-    );
-
-    // Executable receipt (INVARIANTS P3 / gate #58): perturb the lowered witness above the pass
-    // budget and prove [`check_enforced_lens_applications`] evaluates timing enforcement on the
-    // live bootstrap graph (not merely declaration presence + a no-op pass).
-    const PASS_BUDGET_MAX_NS: u64 = 1_000_000_000;
-    const OVER_BUDGET_NS: u64 = PASS_BUDGET_MAX_NS + 1;
-    gate_58_test_raise_modeled_ci_timing_measurement_duration_ns(&mut dag, OVER_BUDGET_NS)
-        .expect("raise gate #58 modeled timing measurement over pass budget");
-    check_enforced_lens_applications(&mut dag);
-    assert_eq!(
-        dag.diagnostics().len(),
-        1,
-        "expected exactly one timing budget violation diagnostic after witness perturbation; got {:?}",
-        dag.diagnostics()
-    );
-    let (_, d) = dag.diagnostics().iter().next().expect("one diagnostic");
-    assert_eq!(
-        d.layer1_kind_label(),
-        "ParseError",
-        "timing budget enforcement must route through EnforcedApplication ParseError; got {d:?}"
-    );
-    let Diagnostic::ParseError {
-        message,
-        span,
-        correction,
-    } = d
-    else {
-        panic!("expected ParseError diagnostic, got {d:?}");
-    };
-    let v3_compiler::diagnostics::Correction::DeferredCorrection {
-        retirement_plan, ..
-    } = correction
-    else {
-        panic!("legacy gate #58 timing scaffold should expose its row-#106 retirement plan until source-span evidence is threaded; got {correction:?}")
-    };
-    assert_eq!(
-        retirement_plan.owner, "R3 Gap 9 row #106 timing-lens diagnostic roundtrip",
-        "timing scaffold deferral must stay tied to row #106 retirement"
-    );
-    assert!(
-        retirement_plan.exit_condition.contains("LiveCorrection"),
-        "timing scaffold deferral must name the live-correction exit condition; got {:?}",
-        retirement_plan.exit_condition
-    );
-    assert!(
-        span.file.ends_with("t_ci_workflow_as_data_demo.dag"),
-        "violation must anchor to the gate #58 std witness file; got span={span:?}"
-    );
-    let (declared, projected) = gate_58_test_parse_timing_budget_violation_max_ns_pair(message)
-        .unwrap_or_else(|| {
-            panic!(
-                "timing budget violation message must expose two max_ns= fields (see enforced_lens_application); got {message:?}"
-            )
-        });
-    assert_eq!(
-        declared, PASS_BUDGET_MAX_NS,
-        "declared ceiling ns mismatch (structured parse)"
-    );
-    assert_eq!(
-        projected, OVER_BUDGET_NS,
-        "projected usage ns mismatch (structured parse)"
-    );
-}
-
-#[test]
-fn apply_lens_self_application_timing_enforcement_executable_budget_violation() {
-    let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("../../..")
-        .join(VIOLATION_FIXTURE_REL);
-    let source =
-        fs::read_to_string(&path).expect("read gate #58 timing enforcement violation fixture");
-    std::thread::Builder::new()
-        .name("t-gate-58-timing-enforcement-violation".into())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(move || {
-            let CachedCompileOutcome::Semantic(dag) =
-                cached_compile_outcome(&source, VIOLATION_FILE_NAME)
-            else {
-                panic!(
-                    "fixture must fail closed with semantic diagnostics (timing budget exceeded)"
-                );
-            };
-            let diags: Vec<&Diagnostic> = dag.diagnostics().iter().map(|(_, d)| d).collect();
-            let ok = diags.iter().any(|d| {
-                d.layer1_kind_label() == "ParseError"
-                    && matches!(
-                        d,
-                        Diagnostic::ParseError {
-                            correction: v3_compiler::diagnostics::Correction::DeferredCorrection { .. },
-                            ..
-                        }
-                    )
-                    && match d {
-                        Diagnostic::ParseError { message, .. } => {
-                            gate_58_test_parse_timing_budget_violation_max_ns_pair(message)
-                                == Some((1, 999))
-                        }
-                        _ => false,
-                    }
-            });
-            assert!(
-                ok,
-                "expected timing lens enforcement ParseError (declared=1ns, observed=999ns); got {diags:?}"
-            );
-        })
-        .expect("spawn gate #58 enforcement compile")
-        .join()
-        .expect("gate #58 enforcement compile thread panicked");
-}
diff --git a/src/v3/compiler/tests/integration/t_impossiblebugs_unenumerated_effects_test.rs b/src/v3/compiler/tests/integration/t_impossiblebugs_unenumerated_effects_test.rs
deleted file mode 100644
index f9251328a3e..00000000000
--- a/src/v3/compiler/tests/integration/t_impossiblebugs_unenumerated_effects_test.rs
+++ /dev/null
@@ -1,95 +0,0 @@
-//! **Layer:** integration
-//!
-//! Source-level ratchets for the T-ImpossibleBugs unenumerated-effects
-//! lens landing. Behavioral execution is owned by the generated-lens
-//! migration test once `regen_lens` can run in this environment.
-
-use std::path::PathBuf;
-
-use v3_compiler::lens_effect_enumeration::{enumerate_effects, TransactionalPattern};
-use v3_compiler::Dag;
-
-fn workspace_root() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .ancestors()
-        .nth(3)
-        .expect("expected src/v3/compiler -> workspace root")
-        .to_path_buf()
-}
-
-fn read_workspace_file(rel: &str) -> String {
-    let path = workspace_root().join(rel);
-    std::fs::read_to_string(&path).unwrap_or_else(|err| panic!("read {}: {err}", path.display()))
-}
-
-fn assert_retired_operation_carriers_absent(rel: &str) {
-    let source = read_workspace_file(rel);
-    for retired in ["OperationEffect", "WorkflowOperation"] {
-        assert!(
-            !source.contains(retired),
-            "{rel} must not reintroduce retired operation-effect carrier `{retired}`"
-        );
-    }
-}
-
-#[test]
-fn effect_enumeration_lens_anchors_on_signature_shape_not_retired_operation_carrier() {
-    let lens = read_workspace_file("src/v3/lenses/effect_enumeration.dag");
-
-    assert!(
-        lens.contains("callable_signature_effect"),
-        "effect_enumeration lens must classify callable transforms from signature shape"
-    );
-    assert!(
-        lens.contains("callable_arrow_effect"),
-        "effect_enumeration lens must recognize returned-modified-resource shape without a primitive bool helper"
-    );
-    assert_retired_operation_carriers_absent("src/v3/lenses/effect_enumeration.dag");
-    assert_retired_operation_carriers_absent("src/v3/std/effects.dag");
-    assert_retired_operation_carriers_absent("src/v3/compiler/src/dag/effects.rs");
-    assert_retired_operation_carriers_absent(
-        "src/v3/compiler/src/lens_effect_enumeration_generated.rs",
-    );
-}
-
-#[test]
-fn generated_effect_enumeration_lens_is_exported_and_consumed() {
-    let dag = Dag::new();
-    let report = enumerate_effects(&dag);
-
-    assert!(
-        report.facts.len() <= dag.nodes().len(),
-        "generated lens surface should execute against the bootstrap Dag without fabricating extra node facts"
-    );
-    assert!(
-        matches!(report.transaction, TransactionalPattern::NoTransaction),
-        "transaction recognition is currently scaffolded and must stay explicit at the Rust surface"
-    );
-}
-
-#[test]
-fn github_auth_no_longer_derives_network_from_ambient_uses() {
-    let resources = read_workspace_file("dsl/std/resources.dag");
-    let primitives = read_workspace_file("dsl/std/primitives.dag");
-    let shell = read_workspace_file("dsl/extdeps/shell/shell.dag");
-    let github_auth = read_workspace_file("dsl/extdeps/github/auth.dag");
-
-    assert!(
-        resources.contains("capability write") && resources.contains("output { written: Bool }"),
-        "Filesystem.write remains a non-resource-threaded write-shaped primitive"
-    );
-    assert!(
-        primitives.contains("filesystem_read_contract"),
-        "filesystem_read_contract remains an I/O primitive contract outside returned-resource shape"
-    );
-    assert!(
-        shell.contains("operation Run") && shell.contains("transport shell"),
-        "shell.Exec.Run remains transport-effectful without resource-threaded signature shape"
-    );
-    assert!(
-        github_auth.contains("CredentialSource")
-            && github_auth.contains("-> GitHubAuthToken")
-            && !github_auth.contains("uses net: Network"),
-        "github_token should consume typed CredentialSource and return GitHubAuthToken without ambient Network effect"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/t_las_complexity_contract_compile_error_test.rs b/src/v3/compiler/tests/integration/t_las_complexity_contract_compile_error_test.rs
deleted file mode 100644
index 35756f82bc4..00000000000
--- a/src/v3/compiler/tests/integration/t_las_complexity_contract_compile_error_test.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-//! **Layer:** integration
-//!
-//! §1.8 / gate #92 `complexity_violation_compile_error_demonstrated`: a concrete
-//! recursive-descent program whose `complexity_of` asymptotic class strictly exceeds a
-//! `ClassConstant` budget under an `EnforcedApplication` must fail closed with an
-//! Error/`ParseError` diagnostic at the lens-application site.
-
-use std::fs;
-use std::path::PathBuf;
-
-use crate::common::{cached_compile_outcome, CachedCompileOutcome};
-
-const DEMO_REL_PATH: &str = "src/v3/compiler/tests/fixtures/t_las_complexity_contract_demo.dag";
-const DEMO_FILE_NAME: &str = "t_las_complexity_contract_demo.dag";
-const DEMO_APPLICATION_MARKER: &str = "data witness_log_cap:";
-
-#[test]
-fn complexity_violation_compile_error_demonstrated() {
-    let path = PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("../../..")
-        .join(DEMO_REL_PATH);
-    let source = fs::read_to_string(&path).expect("read T-LAS complexity demo fixture");
-    let expected_span = authored_application_span(&source);
-    std::thread::Builder::new()
-        .name("t-las-complexity-demo-compile".into())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(move || {
-            let CachedCompileOutcome::Semantic(dag) =
-                cached_compile_outcome(&source, DEMO_FILE_NAME)
-            else {
-                panic!(
-                    "recursive-descent witness asymptotic class exceeds ClassConstant - \
-                     compile must fail"
-                );
-            };
-            let receipts: Vec<_> = dag
-                .diagnostics()
-                .iter()
-                .map(|(_, d)| (d.layer1_kind_label().to_string(), d.message(), d.span()))
-                .collect();
-            let ok = receipts.iter().any(|(kind, msg, span)| {
-                kind == "ParseError"
-                    && msg.contains("lens enforcement violation")
-                    && msg.contains("ClassConstant")
-                    && msg.contains("ClassUnknown")
-                    && span.file.ends_with(DEMO_FILE_NAME)
-                    && (span.byte_start, span.byte_end) == expected_span
-            });
-            assert!(
-                ok,
-                "expected Error/ParseError with budget/observed classes at lens span; got {receipts:?}"
-            );
-        })
-        .expect("spawn demo compile")
-        .join()
-        .expect("demo compile thread panicked");
-}
-
-fn authored_application_span(source: &str) -> (u32, u32) {
-    let start = source
-        .find(DEMO_APPLICATION_MARKER)
-        .expect("fixture contains witness application");
-    let end = source[start..]
-        .find("\n}")
-        .map(|offset| start + offset + 2)
-        .expect("fixture witness application closes");
-    (
-        u32::try_from(start).expect("fixture start offset fits in SourceSpan"),
-        u32::try_from(end).expect("fixture end offset fits in SourceSpan"),
-    )
-}
diff --git a/src/v3/compiler/tests/integration/t_las_crdt_cost_basis_demo_test.rs b/src/v3/compiler/tests/integration/t_las_crdt_cost_basis_demo_test.rs
deleted file mode 100644
index 2bd0e79f4b0..00000000000
--- a/src/v3/compiler/tests/integration/t_las_crdt_cost_basis_demo_test.rs
+++ /dev/null
@@ -1,291 +0,0 @@
-//! **Layer:** integration
-//!
-//! **ROADMAP gate #93** (`crdt_cost_basis_demonstrated`) — **interim receipt** for the
-//! **symbolic-cost / carrier slice** at HEAD, not a claim that the full §4.2 pipeline is closed.
-//! Program text still targets **`apply_lens(cost, …)`** per the gate name; this test uses
-//! `analyze_symbolic_cost_dimension` + `dominates` only as **stand-ins** until that surface
-//! lowers through the compiler fold.
-//!
-//! **Explicitly out of scope until follow-on lands (same gate id tracks the debt):** authored
-//! `CostBasisDeclaration` **`data` rows** in `.dag` and **folding them into**
-//! [`compute_symbolic_costs`] so §4.2 basis rows become the single authority inside the **cost
-//! composition consumer**. Without that fold, the §4.2 fact **does not** yet flow forward into
-//! the full enforcement/composition story — so the prose here says **“receipt”**, not “end state.”
-//!
-//! **Normalized root cost:** `analyze_symbolic_cost_dimension` on `my_crdt_field`
-//! may algebra-normalize to **`LinearCost(num_writes)`** at the workflow root while
-//! each per-write step still lowers from division on `replicas`. Under the MVP
-//! `dominates` relation in `dag_cost_generated.rs`, **any** `LinearCost` dominates
-//! **any** `LogCost`, so `dominates(my_crdt_field_composed, LogCost(replicas))` is
-//! *vacuous* and is **not** asserted here.
-//!
-//! **What we pin instead:** (1) **`try_build_per_write_log_cost_basis_declaration`** — single-authority
-//! materialization of **`CostBasisDeclaration`** from the lowered **`Dag`** (subject
-//! **`SectionRef::DeclarationScope`** / workflow `DeclarationId`, `PerWrite`,
-//! **`LogCost(merge_replicas_port)`**, bind **`span`**) **after** verifying that port
-//! appears in **`LogCost` in [`compute_symbolic_costs`]** (fail-closed vs fabricated basis).
-//! The `.dag` carrier remains the type definitions in `lenses.cost` (`cost_symbolic_lens_generated.rs`).
-//! (2) **Full symbolic-cost lens table**
-//! ([`compute_symbolic_costs`]): some port still **`Hit`s `LogCost(merge_replicas_port)`**
-//! from divide lowering inside `crdt_merge_step` — the per-write O(log replicas)
-//! factor **survives in lens output** even though dimension `composed` at the
-//! recursive workflow root normalizes to `LinearCost(num_writes)` and dimension
-//! `witnesses` may only show that summary. (3) **`!dominates(basis.cost, composed)`**
-//! — the per-write log budget is **not** a sound ceiling for the full workflow.
-//!
-//! **`basis.cost`** is aligned **only** with **lowered-DAG structure + `compute_symbolic_costs`**
-//! (via `try_build`’s Log witness check), not with **authored** `.dag` `data` rows as the fold’s
-//! input — that alignment is still **gate #93** debt.
-//!
-//! Fixture companion: `src/v3/compiler/tests/fixtures/t_las_crdt_cost_basis_demo.dag`.
-//! Design: `docs/design-lens-application-surface.md` §4.2 + cost-basis audit
-//! `docs/audit/t-user-authored-cost-basis-discipline-worked-examples.md`.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::{
-    dominates, Behavior, Lookup, PortId, SectionRef, SizeVariable, SymbolicCost,
-};
-use v3_compiler::lens_cost_symbolic::{
-    compute_symbolic_costs, CostBasisDeclaration, CostBasisKind,
-};
-use v3_compiler::try_build_per_write_log_cost_basis_declaration;
-use v3_compiler::CostBasisDeclarationBuildError;
-use v3_compiler::{analyze_symbolic_cost_dimension, DimensionReport};
-
-use crate::common::cached_compile_to_dag;
-
-const FIXTURE_DAG: &str = include_str!("../fixtures/t_las_crdt_cost_basis_demo.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/t_las_crdt_cost_basis_demo.dag";
-
-/// Recursive “N writes” over a per-write step modeled as integer divide; the
-/// symbolic-cost lens charges **`LogCost(dividend_port)`** on `TransformTarget::Operator(Div)`
-/// (`transform_cost_for_target` in `src/v3/lenses/cost.dag`).
-const MY_CRDT_FIELD: &str = "\
-import std.error_primitives { DivError, Result }
-
-fn crdt_merge_step(replicas: Int) -> Int =
-  match replicas / 2 {
-    Ok { value: x } => x
-    Err { value: _ } => 0
-  }
-
-fn my_crdt_field(num_writes: Int, replicas: Int) -> Int =
-  if num_writes == 0 then 0
-  else crdt_merge_step(replicas) + my_crdt_field(num_writes - 1, replicas)
-
-let _: Int = my_crdt_field(1, 2)
-";
-
-/// Same workflow shape, but merge step is **`replicas` only** (no `Operator(Div)` → no `LogCost`
-/// on the param port). **`try_build_per_write_log_cost_basis_declaration`** must **fail closed**.
-const MY_CRDT_FIELD_NO_DIV_MERGE: &str = "\
-import std.error_primitives { DivError, Result }
-
-fn crdt_merge_step(replicas: Int) -> Int = replicas
-
-fn my_crdt_field(num_writes: Int, replicas: Int) -> Int =
-  if num_writes == 0 then 0
-  else crdt_merge_step(replicas) + my_crdt_field(num_writes - 1, replicas)
-
-let _: Int = my_crdt_field(1, 2)
-";
-
-/// Shared `compile_to_dag` file label so `cached_compile_to_dag` hits one cell for all tests.
-const CRDT_FIELD_PROGRAM_FILE: &str = "t_las_crdt_cost_basis_demo.v3";
-
-fn run_with_symbolic_cost_stack(f: impl FnOnce() + Send + 'static) {
-    std::thread::Builder::new()
-        .name("t-las-crdt-cost-basis".to_string())
-        .stack_size(64 * 1024 * 1024)
-        .spawn(f)
-        .expect("spawn t-las stack thread")
-        .join()
-        .expect("t-las thread should not panic");
-}
-
-fn find_bind<'a>(dag: &'a v3_compiler::dag::Dag, name: &str) -> &'a v3_compiler::dag::BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|b| b.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-}
-
-/// `SizeVariable` per `algebra.dag` (`source_port`, `display_name: String?`); Rust
-/// [`PartialEq`](v3_compiler::dag::SizeVariable) ignores `display_name` and keys on
-/// `source_port` only (same as `size_variable_eq` in `.dag`).
-fn size_var(port: PortId) -> SizeVariable {
-    SizeVariable {
-        source_port: port,
-        display_name: None,
-    }
-}
-
-fn symbolic_cost_lens_table_includes_log_on_port(
-    dag: &v3_compiler::dag::Dag,
-    port: PortId,
-) -> bool {
-    compute_symbolic_costs(dag).iter().any(|e| {
-        matches!(
-            &e.cost,
-            Lookup::Hit(SymbolicCost::LogCost { _0: sv }) if sv.source_port == port
-        )
-    })
-}
-
-fn symbolic_cost_lens_table_includes_cost(
-    dag: &v3_compiler::dag::Dag,
-    want: &SymbolicCost,
-) -> bool {
-    compute_symbolic_costs(dag)
-        .iter()
-        .any(|e| matches!(&e.cost, Lookup::Hit(c) if c == want))
-}
-
-/// Declared per-op O(log replicas) budget from §4.2 (`O_log_replicas`), keyed to the
-/// **`crdt_merge_step` parameter port** that is the dividend of `replicas / 2` (same logical
-/// field, distinct `PortId` from `my_crdt_field`'s `replicas` parameter). The symbolic-cost
-/// lens assigns `LogCost` on that port via **`TransformTarget::Operator(Div)`** in
-/// `transform_cost_for_target` (`src/v3/lenses/cost.dag`).
-fn per_write_log_replicas_budget(merge_replicas_port: PortId) -> SymbolicCost {
-    SymbolicCost::LogCost {
-        _0: size_var(merge_replicas_port),
-    }
-}
-
-fn crdt_field_dimension_and_basis() -> (v3_compiler::dag::Dag, SymbolicCost, CostBasisDeclaration) {
-    let dag = cached_compile_to_dag(MY_CRDT_FIELD, CRDT_FIELD_PROGRAM_FILE);
-    let root = find_bind(&dag, "my_crdt_field");
-    let basis =
-        try_build_per_write_log_cost_basis_declaration(&dag, "my_crdt_field", "crdt_merge_step")
-            .expect(
-                "fixture DAG has my_crdt_field + crdt_merge_step declarations with divide witness",
-            );
-    let composed = match analyze_symbolic_cost_dimension(&dag, root.id) {
-        DimensionReport::DimensionOk { composed, .. } => composed,
-        DimensionReport::DimensionFail { violations, .. } => {
-            panic!("expected DimensionOk, got failures: {violations:?}")
-        }
-    };
-    (dag, composed, basis)
-}
-
-#[test]
-fn crdt_cost_basis_fixture_dag_compiles_on_bootstrap() {
-    run_with_symbolic_cost_stack(|| {
-        let dag = compile_to_dag(FIXTURE_DAG, FIXTURE_PATH).expect("fixture should compile");
-        assert!(
-            dag.diagnostics().is_empty(),
-            "fixture diagnostics: {:?}",
-            dag.diagnostics()
-        );
-    });
-}
-
-#[test]
-fn crdt_cost_basis_demonstrated_log_replicas_in_symbolic_cost_lens_table() {
-    run_with_symbolic_cost_stack(|| {
-        let dag = cached_compile_to_dag(MY_CRDT_FIELD, CRDT_FIELD_PROGRAM_FILE);
-        let merge = find_bind(&dag, "crdt_merge_step");
-        let merge_replicas_port = *merge
-            .params
-            .first()
-            .expect("crdt_merge_step should take replicas: Int");
-        assert!(
-            symbolic_cost_lens_table_includes_log_on_port(&dag, merge_replicas_port),
-            "expected some `SymbolicCostEntry` Hit(LogCost(merge_replicas_port)) from divide in \
-             crdt_merge_step (per-write O(log replicas) survives in lens table)"
-        );
-    });
-}
-
-#[test]
-fn crdt_cost_basis_demonstrated_basis_cost_hits_symbolic_cost_lens_table() {
-    run_with_symbolic_cost_stack(|| {
-        let (dag, _composed, basis) = crdt_field_dimension_and_basis();
-        assert!(
-            symbolic_cost_lens_table_includes_cost(&dag, &basis.cost),
-            "CostBasisDeclaration.cost should match a Hit row in compute_symbolic_costs (fold \
-             consumption follow-on; today `basis.cost` **is** the same SymbolicCost the lens \
-             lowers for that port); basis.cost={:?}",
-            basis.cost
-        );
-    });
-}
-
-#[test]
-fn crdt_cost_basis_demonstrated_declaration_pins_subject_span_and_per_write_log_budget() {
-    run_with_symbolic_cost_stack(|| {
-        let (dag, _composed, basis) = crdt_field_dimension_and_basis();
-        let root = find_bind(&dag, "my_crdt_field");
-        let merge = find_bind(&dag, "crdt_merge_step");
-        let merge_replicas_port = *merge
-            .params
-            .first()
-            .expect("crdt_merge_step should take replicas: Int");
-        let decl = dag
-            .declaration_by_name("my_crdt_field")
-            .expect("my_crdt_field declaration");
-        assert_eq!(
-            basis.subject,
-            SectionRef::DeclarationScope {
-                declaration: decl.id,
-            }
-        );
-        assert!(matches!(basis.kind, CostBasisKind::PerWrite));
-        assert_eq!(
-            basis.cost,
-            per_write_log_replicas_budget(merge_replicas_port)
-        );
-        assert_eq!(basis.span, root.span);
-    });
-}
-
-#[test]
-fn crdt_cost_basis_demonstrated_per_op_budget_is_not_sound_ceiling_for_composed_workflow() {
-    run_with_symbolic_cost_stack(|| {
-        let (_dag, composed, basis) = crdt_field_dimension_and_basis();
-        assert!(
-            !dominates(&basis.cost, &composed),
-            "per-op basis.cost (declared Log replicas) must not dominate full composed cost \
-             (otherwise enforcement could not fire); composed={composed:?} basis.cost={:?}",
-            basis.cost
-        );
-    });
-}
-
-#[test]
-fn crdt_cost_basis_demonstrated_unknown_ceiling_covers_composed_workflow() {
-    run_with_symbolic_cost_stack(|| {
-        let (_dag, composed, _) = crdt_field_dimension_and_basis();
-
-        let loose = SymbolicCost::UnknownCost {
-            _0: "demo ceiling / opt-in slack budget".to_string(),
-        };
-        assert!(
-            dominates(&loose, &composed),
-            "an honest upper-bound budget should dominate (soundly majorize) the composed cost; \
-             composed={composed:?}"
-        );
-    });
-}
-
-#[test]
-fn crdt_cost_basis_builder_fails_closed_when_merge_step_has_no_log_cost_witness() {
-    run_with_symbolic_cost_stack(|| {
-        let dag = cached_compile_to_dag(MY_CRDT_FIELD_NO_DIV_MERGE, "t_las_crdt_no_div_merge.v3");
-        let err = try_build_per_write_log_cost_basis_declaration(
-            &dag,
-            "my_crdt_field",
-            "crdt_merge_step",
-        )
-        .expect_err("merge step without Div must not fabricate Log basis");
-        assert!(
-            matches!(
-                err,
-                CostBasisDeclarationBuildError::MergeStepLacksLogCostWitness { .. }
-            ),
-            "expected MergeStepLacksLogCostWitness, got {err:?}"
-        );
-    });
-}
diff --git a/src/v3/compiler/tests/integration/t_las_parallelism_iteration_gate95_demo_test.rs b/src/v3/compiler/tests/integration/t_las_parallelism_iteration_gate95_demo_test.rs
deleted file mode 100644
index 8b044e907c7..00000000000
--- a/src/v3/compiler/tests/integration/t_las_parallelism_iteration_gate95_demo_test.rs
+++ /dev/null
@@ -1,78 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 §1.8 gate **#95** (`opt_in_iteration_parallelism_via_lens_application_demonstrated`):
-//! opt-in iteration parallelism surfaced through `parallelism_enforceable` /
-//! `parallelism_iteration_opt_in_enforcement_violates(&dag, workflow_lane2_subject)` returns `Result<bool, LensApplyError>`
-//! (integration harness uses `.expect` after `compile_to_dag` staging). Together with Lane-2
-//! `v3_compiler::loop_iteration_parallel_emission_indicator` (same contract as second-batch
-//! auto-loop receipts).
-//!
-//! This binary intentionally pins the **exported public bridge** Lane‑2 indicator ↔ opt‑in violates
-//! predicate (`compile_to_dag` staged harness + `workflow_lane2_subject`, no synthetic declaration
-//! injection). Mirrors gate #58 splitting: integration covers bootstrap/pass witnesses where the
-//! carrier is authored in checked-in substrate; Gate #95 executable `apply_lens`/`.dag` authoring of
-//! `EnforcedApplication`/`NodeScope` remains deferred (`../fixtures/` banner), while the **`check_enforced_lens_applications`**
-//! consumer path (**`EnforcedApplication` row + coupling guard + indicator read**) lives in crate
-//! `#[cfg(test)]` (`gate_95_parallelism_iteration_enforcement_tests` in `enforced_lens_application.rs`,
-//! synthetic `push_declaration` injection — Gate #94-style internal receipt).
-//!
-//! Fixture companion: `../fixtures/t_las_parallelism_iteration_gate95_fixture.dag`.
-//! Authority: `docs/design-lens-application-surface.md` §4.4.
-
-use crate::common::cached_compile_any;
-use v3_compiler::{
-    compile_to_dag, loop_iteration_parallel_emission_indicator,
-    parallelism_iteration_opt_in_enforcement_violates,
-};
-
-const FIXTURE: &str = include_str!("../fixtures/t_las_parallelism_iteration_gate95_fixture.dag");
-const FIXTURE_FILE_NAME: &str = "t_las_parallelism_iteration_gate95_fixture.dag";
-
-#[test]
-fn gate_95_fixture_pins_parallelism_enforceable_carrier() {
-    let dag = cached_compile_any(FIXTURE, FIXTURE_FILE_NAME);
-    assert!(
-        dag.declaration_by_name("parallelism_enforceable").is_some(),
-        "fixture must reference `parallelism_enforceable` from `parallelism.dag`"
-    );
-}
-
-#[test]
-fn gate_95_opt_in_iteration_parallelism_via_lens_application_demonstrated_indicator_bridge() {
-    let run = |witness_file: &'static str,
-               directive: &'static str,
-               indicator: i64,
-               expect_violation: bool| {
-        let source = format!(
-            "// gunbc::r3_free_consequences::lane2_loop_witness: {directive}\n\
-             import lenses.parallelism {{ parallelism_enforceable }}\n\
-             fn gate95_integration_probe() -> Int = 0\n"
-        );
-        let dag = compile_to_dag(source.as_str(), witness_file)
-            .expect("compile staged lane2 loop harness");
-        let subject = dag
-            .workflow_lane2_subject()
-            .expect("workflow shell Bind for Lane-2 registration");
-        let observed = loop_iteration_parallel_emission_indicator(&dag, subject);
-        assert_eq!(observed, indicator);
-        assert_eq!(
-            parallelism_iteration_opt_in_enforcement_violates(&dag, subject).expect(
-                "gate #95 indicator bridge expects parallelism.dag + evaluable parallelism_enforcement_violates"
-            ),
-            expect_violation
-        );
-    };
-
-    run(
-        "t_las_parallelism_gate95_integration_read_only.v3",
-        "read_only",
-        1,
-        false,
-    );
-    run(
-        "t_las_parallelism_gate95_integration_upsert.v3",
-        "upsert_dependent",
-        0,
-        true,
-    );
-}
diff --git a/src/v3/compiler/tests/integration/t_lens_application_carrier_test.rs b/src/v3/compiler/tests/integration/t_lens_application_carrier_test.rs
deleted file mode 100644
index a361812b256..00000000000
--- a/src/v3/compiler/tests/integration/t_lens_application_carrier_test.rs
+++ /dev/null
@@ -1,74 +0,0 @@
-//! **Layer:** integration
-//!
-//! §1.8 / R3 gate **`lens_application_carrier_landed` (#88)** — T-Lens-Application-Surface:
-//! `EnforcedApplication<Output, Budget, Projected>` and `IntrospectApplication<Output>` template
-//! declarations in `src/v3/std/lens_application.dag` stay structurally aligned with
-//! `docs/design-lens-application-surface.md` §2 (`../INVARIANTS.md` P2 / practice-5 sibling).
-//!
-//! Companion substrate (gate #89 `SectionRef`, gate #90 `LensEnforcement` / `EnforceableLens`) shares
-//! the same module; this harness pins only the two **top-level application** carriers for #88.
-
-use std::collections::HashSet;
-
-use v3_compiler::dag::{Dag, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn conj_field_labels(dag: &Dag, name: &str) -> HashSet<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-#[test]
-fn r3_gate_88_enforced_application_carrier_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let enforced = dag
-        .declaration_by_name("EnforcedApplication")
-        .expect("EnforcedApplication missing from full bootstrap");
-    assert_eq!(
-        enforced.type_params.len(),
-        3,
-        "EnforcedApplication must carry Output, Budget, Projected parameters"
-    );
-
-    let labels = conj_field_labels(&dag, "EnforcedApplication");
-    let expected: HashSet<&str> = [
-        "enforceable_lens",
-        "section",
-        "budget",
-        "diagnostic_severity",
-        "span",
-    ]
-    .into_iter()
-    .collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "EnforcedApplication field set drifted from T-LAS Slice A design doc §2"
-    );
-}
-
-#[test]
-fn r3_gate_88_introspect_application_carrier_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let intro = dag
-        .declaration_by_name("IntrospectApplication")
-        .expect("IntrospectApplication missing from full bootstrap");
-    assert_eq!(
-        intro.type_params.len(),
-        1,
-        "IntrospectApplication must carry a single Output parameter"
-    );
-
-    let labels = conj_field_labels(&dag, "IntrospectApplication");
-    let expected: HashSet<&str> = ["lens", "section", "span"].into_iter().collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "IntrospectApplication field set drifted from T-LAS Slice A design doc §2"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/t_pb_b_1_dag_runner_test.rs b/src/v3/compiler/tests/integration/t_pb_b_1_dag_runner_test.rs
deleted file mode 100644
index dda06957325..00000000000
--- a/src/v3/compiler/tests/integration/t_pb_b_1_dag_runner_test.rs
+++ /dev/null
@@ -1,479 +0,0 @@
-//! **Layer:** integration
-//!
-//! T-PB-B-1 runner wiring — proves `TestRunner` evaluates the landed
-//! `src/v3/compiler/tests/dag/*.dag` `TestSuite` modules through the same
-//! `compile_to_dag` entrypoint as the rest of the integration harness. This is
-//! line-item (1) of the pre–Rust-deletion checklist in
-//! `docs/briefs/r1-testgen-manager.md` (Hand-off → Self-hosting): runner path
-//! accepts the landed layout and `requires: []` lowers to a shape the runner
-//! consumes. `lower` requires `compile_to_dag` → `Ok` (empty module diagnostics
-//! per `lib.rs`); `Err(Semantic(_))` panics with the same compile-smoke intent as
-//! the retired `t_pb_b_1_tests_dag_smoke_test` (runner evaluation of embedded
-//! `TestClaim.source` is orthogonal). Still
-//! **not** a `pb_*` gate and still not a Rust-deletion signal.
-//!
-//! **R3 Cluster M #84 — R1C-D/E tests-as-data pilot:** R1C-D (`t_r1c_d_pb_census_gates.dag`)
-//! and R1C-E (`r1c_e_emit_gates.template.dag` + omni template) integration receipts
-//! live here with gate #74 (`t_r3_tests_as_data_demonstration.dag`), replacing dedicated
-//! `r1c_*_test.rs` shims. **Accounting:** Self-Generation-0 progress for #2715 is the **−3** census paths
-//! plus `.dag`-native predicates — not gate #84 / facet-3 'zero hand-Rust tests' closure; see
-//! `self_gen0_census_test.rs` on `t_pb_b_1_dag_runner_test.rs` (remaining obligation cites ROADMAP
-//! T-PB-B until the test census is empty).
-//!
-//! R3 gate #87 `R3_GATE_87_CEMENTING_REGEN_SUITES` wiring: **INVARIANTS P5(b)** — merge-visible
-//! integration delta; see module doc on `r3_gate_87_lens_cementing_regen_receipts_test` (§P5(b)
-//! checkable receipt = **PR #2639 description**, not inferred deletes). Table lives in
-//! `v3_compiler::r3_gate_87_cementing_regen_runner_suites` (shared with `cementing_dispatch`).
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::dag::Dag;
-use v3_compiler::r3_gate_87_cementing_regen_runner_suites::R3_GATE_87_CEMENTING_REGEN_SUITES;
-use v3_compiler::test_runner::{ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-fn lower(source: &str, file: &str) -> Dag {
-    // `compile_to_dag` returns `Ok` iff the module diagnostic table is empty
-    // (`lib.rs` — any semantic issue is `Err(Semantic(dag))` with non-empty
-    // diagnostics). The retired `t_pb_b_1_tests_dag_smoke_test` required the
-    // same: declaring `tests/dag` harness compiles with no module diagnostics.
-    match compile_to_dag(source, file) {
-        Ok(dag) => {
-            // Explicit compile-smoke receipt: same as the retired
-            // `t_pb_b_1_tests_dag_smoke_test` (in addition to `Ok` ⟺ empty in `lib.rs`).
-            // Belt-and-suspenders against C-8 / `compile_to_dag` contract drift; unreachable
-            // if `Ok` truly implies an empty table — kept so reviewers and grep see the
-            // harness receipt without relying only on the `Result` shape.
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{file} (declaring `tests/dag` harness): expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => {
-            panic!(
-                "{file} (declaring `tests/dag` harness) should lower without module diagnostics — \
-                 same compile-smoke receipt as the retired `t_pb_b_1_tests_dag_smoke_test`. \
-                 Got `Err(Semantic)`: {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-        }
-        Err(other) => panic!("unexpected compile error for {file}: {other:?}"),
-    }
-}
-
-fn run_suite_all_pass(dag: &Dag, suite_name: &str) {
-    let results = TestRunner::new(dag).run_suite(suite_name);
-    assert!(
-        !results.is_empty(),
-        "suite `{suite_name}` should contain at least one claim"
-    );
-    assert!(
-        results
-            .iter()
-            .all(|result| result.result == ClaimResult::Pass),
-        "suite `{suite_name}` should pass every claim, got {results:?}"
-    );
-}
-
-/// Deletion-guard: assert suite cardinality, **claim `name` order** (structural
-/// `TestClaim` identity, not `data` decl id), and all `Pass` — the receipt carried
-/// by the retired per-gate `#[test]` shims.
-fn run_suite_all_pass_with_expected_claim_names(
-    dag: &Dag,
-    suite_name: &str,
-    expected_claim_names: &[&str],
-) {
-    let results = TestRunner::new(dag).run_suite(suite_name);
-    let actual: Vec<&str> = results.iter().map(|e| e.claim_name.as_str()).collect();
-    let expected: Vec<&str> = expected_claim_names.to_vec();
-    assert_eq!(
-        actual, expected,
-        "suite `{suite_name}`: expected claim `name` list (structural order) to match"
-    );
-    assert!(
-        !results.is_empty() && results.iter().all(|r| r.result == ClaimResult::Pass),
-        "suite `{suite_name}`: expected every claim to pass, got {results:?}"
-    );
-}
-
-fn claim_value_by_decl_name(dag: &Dag, declaration_name: &str) -> TestClaimValue {
-    let decl = dag
-        .declaration_by_name(declaration_name)
-        .unwrap_or_else(|| panic!("expected TestClaim declaration `{declaration_name}`"));
-    TestClaimValue::from_declaration(decl)
-        .unwrap_or_else(|reason| panic!("`{declaration_name}` should lower as TestClaim: {reason}"))
-}
-
-/// R1C-D receipt: six PB census claims must dispatch to wired evaluators (no `NotYetImplemented`)
-/// and evaluate to structural `Pass` or `Fail` — same acceptance as the former
-/// `r1c_d_pb_census_gates_test` shim (`docs/briefs/r1-closure-manager.md` §R1C-D).
-fn run_suite_r1c_d_pb_census_receipt(dag: &Dag, suite_name: &str) {
-    const EXPECTED_CLAIM_NAMES: &[&str] = &[
-        "pb_hand_rust_at_shim_floor",
-        "lens_producer_files_remaining",
-        "pb_self_compile_fixed_point",
-        "pb_compiler_std_ratchet_zero",
-        "pb_test_file_generated_from_dag",
-        "pb_rust_tests_outside_residual_zero",
-    ];
-    let results = TestRunner::new(dag).run_suite(suite_name);
-    let actual_names: Vec<&str> = results.iter().map(|r| r.claim_name.as_str()).collect();
-    assert_eq!(
-        actual_names, EXPECTED_CLAIM_NAMES,
-        "suite `{suite_name}`: claim order must match the declared deliverable list"
-    );
-    let unimplemented: Vec<_> = results
-        .iter()
-        .filter(|r| matches!(r.result, ClaimResult::NotYetImplemented(_)))
-        .collect();
-    assert!(
-        unimplemented.is_empty(),
-        "PB census predicates must dispatch to wired evaluators, not `NotYetImplemented`. Offenders:\n{unimplemented:#?}"
-    );
-    for result in &results {
-        match &result.result {
-            ClaimResult::Pass | ClaimResult::Fail(_) => {}
-            other => panic!(
-                "PB census claim `{}` must evaluate to Pass or Fail, got {:?}",
-                result.claim_name, other
-            ),
-        }
-    }
-}
-
-#[test]
-fn t_pb_b_1_pipeline_smoke_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_pb_b_1_pipeline_smoke.dag"),
-        "src/v3/compiler/tests/dag/t_pb_b_1_pipeline_smoke.dag",
-    );
-    run_suite_all_pass(&dag, "suite_pipeline_pipe_unary");
-}
-
-#[test]
-fn t_pb_b_1_contract_diagnostic_smoke_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_pb_b_1_contract_diagnostic_smoke.dag"),
-        "src/v3/compiler/tests/dag/t_pb_b_1_contract_diagnostic_smoke.dag",
-    );
-    run_suite_all_pass(&dag, "suite_contract_diagnostic_negatives");
-}
-
-#[test]
-fn t_pb_b_1_contract_port_cost_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_pb_b_1_contract_port_cost.dag"),
-        "src/v3/compiler/tests/dag/t_pb_b_1_contract_port_cost.dag",
-    );
-    run_suite_all_pass(&dag, "suite_contract_port_and_cost");
-}
-
-#[test]
-fn r3_fieldproject_dual_authority_dissolution_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_r3_fieldproject_dual_authority_dissolution.dag"),
-        "src/v3/compiler/tests/dag/t_r3_fieldproject_dual_authority_dissolution.dag",
-    );
-    run_suite_all_pass(&dag, "suite_fieldproject_dual_authority_dissolution");
-}
-
-#[test]
-fn r3_missing_emission_path_typed_axes_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_r3_missing_emission_path_typed_axes.dag"),
-        "src/v3/compiler/tests/dag/t_r3_missing_emission_path_typed_axes.dag",
-    );
-    run_suite_all_pass(&dag, "suite_missing_emission_path_typed_axes");
-}
-
-/// `ExecuteCommand` through the same `tests/dag` path as T-PB-B-1 (PB-Runtime extension).
-/// Boundary migration: `m1_4_emit_python_test::python_stdout` pattern → declarative
-/// `ExecuteCommand` (this suite uses `sh`/`echo` / `true` so CI need not install CPython).
-/// Repository CI (`.github/workflows/ci.yml` `v3` job) is Linux-only; on Windows, `sh`/`echo` may
-/// be absent or diverge — this test is not run on Windows in CI today. If the matrix **adds** a
-/// Windows (or other non-POSIX) target for `v3` without gating, expect this test and the
-/// `sh`/`echo` claims in the `.dag` to be the first break (api-review e99b53e7).
-#[test]
-fn t_pb_b_1_execute_command_boundary_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_pb_b_1_execute_command_boundary.dag"),
-        "src/v3/compiler/tests/dag/t_pb_b_1_execute_command_boundary.dag",
-    );
-    run_suite_all_pass(&dag, "suite_execute_command_boundary");
-}
-
-/// R3 gate #74 — one Rust integration test ported to `.dag` `TestClaim` data and
-/// executed end-to-end through `TestRunner`.
-///
-/// Port target: retired `t_pb_b_brief_d_pipeline_smoke_fixture_lowers_cleanly`
-/// (`t_pb_b_brief_d_fixture_smoke_test.rs`). The original Rust test asserted the
-/// pipeline smoke fixture lowers cleanly; this carrier expresses the same
-/// surface as a `Compiles` claim over the embedded subject program.
-#[test]
-fn r3_tests_as_data_demonstration_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_r3_tests_as_data_demonstration.dag"),
-        "src/v3/compiler/tests/dag/t_r3_tests_as_data_demonstration.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "suite_tests_as_data_demonstration",
-        &["tests-as-data port of pipeline smoke fixture compiles"],
-    );
-
-    let baseline = lower(
-        include_str!("../dag/t_pb_b_1_pipeline_smoke.dag"),
-        "src/v3/compiler/tests/dag/t_pb_b_1_pipeline_smoke.dag",
-    );
-    let baseline_claim = claim_value_by_decl_name(&baseline, "claim_pipe_unary_compiles");
-    let demonstration_claim =
-        claim_value_by_decl_name(&dag, "claim_tests_as_data_pipeline_smoke_compiles");
-    assert_eq!(
-        demonstration_claim.source, baseline_claim.source,
-        "gate #74 demonstration claim must stay byte-aligned with the pipeline-smoke subject"
-    );
-    assert_eq!(
-        demonstration_claim.file_name, baseline_claim.file_name,
-        "gate #74 demonstration claim must keep the same subject file authority"
-    );
-}
-
-const R1C_D_PB_CENSUS_GATES_PATH: &str = "src/v3/compiler/tests/dag/t_r1c_d_pb_census_gates.dag";
-const R1C_D_PB_CENSUS_SUITE: &str = "r1_pb_census_gates_suite";
-
-/// R1C-D integration receipt: the six PB census gates are `TestClaim` + predicate **data** in
-/// `t_r1c_d_pb_census_gates.dag` (path: `R1C_D_PB_CENSUS_GATES_PATH`), not in this Rust body. This
-/// `#[test]` only lowers the module and runs the suite through `TestRunner` (runner-only, same
-/// class as gate #74). **P5(b):** merge-visible Self-Generation-0 receipt is **−3** deleted census paths; **not**
-/// gate #84 / facet-3 closure — see `self_gen0_census_test.rs` on this file's `EXPECTED_HAND_AUTHORED_TEST`
-/// line and the module doc above.
-#[test]
-fn r1c_d_pb_census_gates_suite_evaluates_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_r1c_d_pb_census_gates.dag"),
-        R1C_D_PB_CENSUS_GATES_PATH,
-    );
-    run_suite_r1c_d_pb_census_receipt(&dag, R1C_D_PB_CENSUS_SUITE);
-}
-
-const R1C_E_EMIT_GATES_TEMPLATE: &str = include_str!("../dag/r1c_e_emit_gates.template.dag");
-const R1C_E_EMIT_GATES_TEMPLATE_PATH: &str =
-    "src/v3/compiler/tests/dag/r1c_e_emit_gates.template.dag";
-const R1C_E_EMIT_GATES_BIN_PATH: &str = env!("CARGO_BIN_EXE_r1c_e_emit_gates");
-const R1C_E_BIN_PLACEHOLDER: &str = "__R1C_E_BIN__";
-
-fn substituted_r1c_e_emit_gates_source() -> String {
-    assert!(
-        R1C_E_EMIT_GATES_TEMPLATE.contains(R1C_E_BIN_PLACEHOLDER),
-        "template must contain `{R1C_E_BIN_PLACEHOLDER}` placeholder for bin substitution \
-         (see manager guidance, #973): {R1C_E_EMIT_GATES_TEMPLATE_PATH}"
-    );
-    R1C_E_EMIT_GATES_TEMPLATE.replace(R1C_E_BIN_PLACEHOLDER, R1C_E_EMIT_GATES_BIN_PATH)
-}
-
-/// R1C-E: emit-gate claims live in `r1c_e_emit_gates.template.dag` (host path substituted in
-/// `substituted_r1c_e_emit_gates_source`). Runner-only wiring; same P5(b) / #84 accounting as
-/// `r1c_d_pb_census_gates_suite_evaluates_through_runner`.
-#[test]
-fn r1c_e_emit_gates_suite_passes_through_runner() {
-    let source = substituted_r1c_e_emit_gates_source();
-    let dag = lower(&source, R1C_E_EMIT_GATES_TEMPLATE_PATH);
-
-    let results = TestRunner::new(&dag).run_suite("r1c_e_emit_gates_suite");
-    assert!(
-        !results.is_empty(),
-        "suite `r1c_e_emit_gates_suite` should contain at least one claim"
-    );
-    let failures: Vec<_> = results
-        .iter()
-        .filter(|r| r.result != ClaimResult::Pass)
-        .collect();
-    assert!(
-        failures.is_empty(),
-        "r1c_e_emit_gates_suite: {} claim(s) did not Pass:\n{:#?}",
-        failures.len(),
-        failures
-    );
-}
-
-const R1C_E_OMNI_TEMPLATE: &str = include_str!("../dag/r1c_e_emit_gates_omni.template.dag");
-const R1C_E_OMNI_TEMPLATE_PATH: &str =
-    "src/v3/compiler/tests/dag/r1c_e_emit_gates_omni.template.dag";
-
-fn substituted_r1c_e_emit_gates_omni_source() -> String {
-    assert!(
-        R1C_E_OMNI_TEMPLATE.contains(R1C_E_BIN_PLACEHOLDER),
-        "omni template must contain `{R1C_E_BIN_PLACEHOLDER}`: {R1C_E_OMNI_TEMPLATE_PATH}"
-    );
-    R1C_E_OMNI_TEMPLATE.replace(R1C_E_BIN_PLACEHOLDER, R1C_E_EMIT_GATES_BIN_PATH)
-}
-
-/// Multi-target omni emit claim — requires **go** and **python3** on `PATH` (ignored in default CI).
-#[test]
-#[ignore]
-fn r1c_e_emit_gates_omni_suite_passes() {
-    let source = substituted_r1c_e_emit_gates_omni_source();
-    let dag = lower(&source, R1C_E_OMNI_TEMPLATE_PATH);
-
-    let results = TestRunner::new(&dag).run_suite("r1c_e_emit_gates_omni_suite");
-    assert!(
-        !results.is_empty(),
-        "suite `r1c_e_emit_gates_omni_suite` should have claims"
-    );
-    let failures: Vec<_> = results
-        .iter()
-        .filter(|r| r.result != ClaimResult::Pass)
-        .collect();
-    assert!(
-        failures.is_empty(),
-        "r1c_e_emit_gates_omni_suite: {} claim(s) did not Pass:\n{:#?}",
-        failures.len(),
-        failures
-    );
-}
-
-const BOUNDARY_EMIT_GATES_TEMPLATE: &str = include_str!("../dag/boundary_emit_gates.template.dag");
-const BOUNDARY_EMIT_GATES_TEMPLATE_PATH: &str =
-    "src/v3/compiler/tests/dag/boundary_emit_gates.template.dag";
-const BOUNDARY_EMIT_GATES_BIN_PATH: &str = env!("CARGO_BIN_EXE_boundary_emit_gates");
-const BOUNDARY_EMIT_BIN_PLACEHOLDER: &str = "__BOUNDARY_EMIT_BIN__";
-
-fn substituted_boundary_emit_gates_source() -> String {
-    assert!(
-        BOUNDARY_EMIT_GATES_TEMPLATE.contains(BOUNDARY_EMIT_BIN_PLACEHOLDER),
-        "template must contain `{BOUNDARY_EMIT_BIN_PLACEHOLDER}`: {BOUNDARY_EMIT_GATES_TEMPLATE_PATH}"
-    );
-    BOUNDARY_EMIT_GATES_TEMPLATE
-        .replace(BOUNDARY_EMIT_BIN_PLACEHOLDER, BOUNDARY_EMIT_GATES_BIN_PATH)
-}
-
-/// F.14 / T-PB-B: class-5 boundary emit gates as `.dag` `TestClaim` data (m2 + python division).
-#[test]
-fn boundary_emit_gates_suite_passes_through_runner() {
-    let source = substituted_boundary_emit_gates_source();
-    let dag = lower(&source, BOUNDARY_EMIT_GATES_TEMPLATE_PATH);
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "boundary_emit_gates_suite",
-        &[
-            "multi_field_struct_variant_match_emits_aliased_field_destructure",
-            "multi_field_struct_variant_arm_body_uses_aliased_reference",
-            "multi_field_struct_variant_emitted_rust_is_valid_syntax",
-            "emit_python_checked_division_roundtrips_ok_and_errors",
-        ],
-    );
-}
-
-/// R3 gate #65 — a Tier3 mirror-consumer `.dag` program executes through
-/// `TestRunner` using std termination authority instead of the hand-Rust mirror
-/// bench path.
-#[test]
-fn r3_tier3_dissolution_demonstration_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_r3_tier3_dissolution_demonstration.dag"),
-        "src/v3/compiler/tests/dag/t_r3_tier3_dissolution_demonstration.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "suite_tier3_dissolution_demonstration",
-        &["tier3_dissolution_demonstration_executes"],
-    );
-}
-
-#[test]
-fn t_impossiblebugs_nested_optional_flatten_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_impossiblebugs_nested_optional_flatten.dag"),
-        "src/v3/compiler/tests/dag/t_impossiblebugs_nested_optional_flatten.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "suite_nested_optional_flatten_class_close",
-        &["nested_optional_flatten_compile_error"],
-    );
-}
-
-#[test]
-fn t_impossiblebugs_force_unwrap_regression_verify_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/t_impossiblebugs_force_unwrap_regression_verify.dag"),
-        "src/v3/compiler/tests/dag/t_impossiblebugs_force_unwrap_regression_verify.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "suite_force_unwrap_regression_verify",
-        &["force_unwrap_absent_resolve_error"],
-    );
-}
-
-/// R1 gate suites from `tests/fixtures/r1_gates.dag` — same `TestClaim` authority and
-/// exact `claim_name` receipt as the retired
-/// `r1_manual_claim_gate_test` / `testgen_structural_coverage_gate_test` shims.
-#[test]
-fn r1_gates_manual_claim_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../fixtures/r1_gates.dag"),
-        "src/v3/compiler/tests/fixtures/r1_gates.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "manual_claim_suite",
-        &["testgen_manual_claim_is_first_class"],
-    );
-}
-
-#[test]
-fn r1_gates_lens_composition_associative_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../fixtures/r1_gates.dag"),
-        "src/v3/compiler/tests/fixtures/r1_gates.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "lens_composition_associative_suite",
-        &["lens_composition_associative"],
-    );
-}
-
-#[test]
-fn r1_gates_testgen_structural_coverage_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../fixtures/r1_gates.dag"),
-        "src/v3/compiler/tests/fixtures/r1_gates.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "testgen_structural_coverage_suite",
-        &["testgen_structural_coverage"],
-    );
-}
-
-// R3 gate #74 (`tests_as_data_demonstration`) — executable `.dag` `TestClaim` + runner receipt
-// lives in `r3_tests_as_data_demonstration_suite_passes_through_runner` above (and
-// `tests/dag/t_r3_tests_as_data_demonstration.dag` on `main`). Gate-#87 regen harnesses below are a
-// separate ratchet; do not conflate the two in PR titles or census expectations.
-
-#[test]
-fn r3_gate_87_cementing_regen_lens_suites_pass_through_runner() {
-    // One `compile_to_dag` per `src/v3/compiler/tests/dag/t_r3_gate_87_cementing_regen_<lens>.dag`
-    // harness — the on-disk file is the single authority for that row (INVARIANTS P2); no
-    // duplicated copy in a bundle module.
-    for (source, file, suite, claim_names) in R3_GATE_87_CEMENTING_REGEN_SUITES {
-        let dag = lower(source, file);
-        run_suite_all_pass_with_expected_claim_names(&dag, suite, claim_names);
-    }
-}
-
-#[test]
-fn cementing_dispatch_suite_passes_through_runner() {
-    let dag = lower(
-        include_str!("../dag/cementing_dispatch.dag"),
-        "src/v3/compiler/tests/dag/cementing_dispatch.dag",
-    );
-    run_suite_all_pass_with_expected_claim_names(
-        &dag,
-        "cementing_dispatch_suite",
-        &["cementing_dispatch_projection_matches_register_and_regen"],
-    );
-}
diff --git a/src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_deferred_test.rs b/src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_deferred_test.rs
deleted file mode 100644
index c279b3eba22..00000000000
--- a/src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_deferred_test.rs
+++ /dev/null
@@ -1,92 +0,0 @@
-//! **Layer:** integration
-//!
-//! TC1 substrate lens eta-equivalence — strict consumer shape uses
-//! `BinaryDimensionReportEquals`; `SubstrateResearchDeferredClaim` remains
-//! fixture-scoped and must not widen into general runner validity.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str =
-    include_str!("../fixtures/tc1_substrate_lens_eta_equivalence_deferred.dag");
-const FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_deferred.dag";
-const SUITE_NAME: &str = "tc1_substrate_lens_eta_equivalence_suite";
-
-#[test]
-fn tc1_substrate_lens_eta_suite_reaches_unified_predicate_shape() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name,
-        "eta_equivalent_dag_forms_yield_identical_lens_results"
-    );
-    assert!(
-        matches!(
-            &results[0].result,
-            ClaimResult::NotYetImplemented(reason)
-                if reason.contains("BinaryDimensionReportEquals")
-                    && reason.contains("structural shape is valid")
-        ),
-        "expected BinaryDimensionReportEquals shape-valid deferred result, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn substrate_research_deferred_claim_rejects_well_typed_refs_outside_tc1_fixture() {
-    let source = r##"
-import std.verification { SubstrateResearchDeferredClaim, TestClaim, TestSuite }
-
-type Tc1ResearchGateMarker {}
-type SubstrateLensPrimitiveTargetLaneMarker {}
-type LambdaCalculusGroundingAuthorityDoc {}
-
-data gate_marker: Tc1ResearchGateMarker = {}
-data target_lane_marker: SubstrateLensPrimitiveTargetLaneMarker = {}
-data authority_doc: LambdaCalculusGroundingAuthorityDoc = {}
-
-data bad_deferred_claim: TestClaim = {
-  name: "bad_deferred",
-  source: "let _: Int = 0",
-  file_name: "bad_deferred.v3",
-  predicate: SubstrateResearchDeferredClaim {
-    deferred_gate: gate_marker,
-    target_lane: target_lane_marker,
-    authority_doc: authority_doc
-  },
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "bad_suite",
-  claims: [Enumerated(bad_deferred_claim)]
-}
-"##;
-    let dag = compile_to_dag(source, "arbitrary_substrate_research_deferred_claim.dag")
-        .expect("well-typed deferral fixture compiles structurally");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(&results[0].result, ClaimResult::Fail(_)),
-        "expected SubstrateResearchDeferredClaim to fail outside TC1 fixture, got {results:?}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_strict_fire_test.rs b/src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_strict_fire_test.rs
deleted file mode 100644
index 00006113564..00000000000
--- a/src/v3/compiler/tests/integration/tc1_substrate_lens_eta_equivalence_strict_fire_test.rs
+++ /dev/null
@@ -1,56 +0,0 @@
-//! **Layer:** integration
-//!
-//! TC1 substrate lens eta-equivalence — strict-fire executable form (§1.8 gate #11).
-//!
-//! V1 first slice per Pattern-A / E6-G1.a (Q-PAFS Path A ACCEPTED 2026-05-06; Q-Reification
-//! Option A ratified 2026-05-07 in PR #2096; Substrate Gate A merged 2026-05-07 in PR #2079).
-//! Cross-Mgr split: Verification authors the .dag-side η-pair + lens consumer envelope; Evaluator
-//! wires the non-vacuous lens-fold-over-`Dag` substrate-fact projection.
-//!
-//! Executable receipt: gate #11 **Passes** on a Path A **proxy** — workflow-root **`composed`
-//! `SymbolicCost`** from [`analyze_symbolic_cost_dimension`] on the two η-pair entry binds in
-//! `TestClaim.source`, **not** native `DimensionReport<Tc1EtaLensObservation>` equality (that path is
-//! gunbc#1972). Typed `.dag` refs stay `DimensionReport<Tc1EtaLensObservation>` for Pattern-A shape only.
-//! **Ledger authority:** §1.8 **Status** stays **DECLARED** for carrier-aligned closure; this test is a
-//! **slice receipt** only (`docs/r3-program-plan.md` §1.8 row #11 Notes vs Status — INVARIANTS P5).
-
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-
-use crate::common::{cached_compile_to_dag, run_on_larger_stack};
-
-const FIXTURE_SOURCE: &str =
-    include_str!("../fixtures/tc1_substrate_lens_eta_equivalence_strict_fire.dag");
-const FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_strict_fire.dag";
-const SUITE_NAME: &str = "tc1_substrate_lens_eta_equivalence_strict_fire_suite";
-
-#[test]
-fn tc1_strict_fire_suite_has_canonical_executable_claim_with_valid_binary_shape() {
-    run_on_larger_stack(|| {
-        tc1_strict_fire_suite_has_canonical_executable_claim_with_valid_binary_shape_inner()
-    });
-}
-
-fn tc1_strict_fire_suite_has_canonical_executable_claim_with_valid_binary_shape_inner() {
-    let dag = cached_compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH);
-    assert!(
-        dag.diagnostics().is_empty(),
-        "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), 1, "strict-fire suite has exactly one claim");
-    assert_eq!(
-        results[0].claim_name, "tc1_eta_equivalence_executable",
-        "claim name must be the §1.8 #11 canonical gate name"
-    );
-    assert!(
-        matches!(&results[0].result, ClaimResult::Pass),
-        "expected tc1_eta_equivalence_executable to Pass (Path A proxy: identical workflow-root \
-         composed SymbolicCost via analyze_symbolic_cost_dimension on η-pair roots — not \
-         Tc1EtaLensObservation report parity; see try_eval_tc1_eta_equivalence_executable rustdoc \
-         / gunbc#1972), got {:?}",
-        results[0].result
-    );
-}
diff --git a/src/v3/compiler/tests/integration/tc2_church_rosser_strict_fire_test.rs b/src/v3/compiler/tests/integration/tc2_church_rosser_strict_fire_test.rs
deleted file mode 100644
index b0ee01ef5ec..00000000000
--- a/src/v3/compiler/tests/integration/tc2_church_rosser_strict_fire_test.rs
+++ /dev/null
@@ -1,96 +0,0 @@
-//! **Layer:** integration
-//!
-//! TC2 Church-Rosser / strategy-order — strict-fire executable form (R3 gate #12).
-//!
-//! Pairing `DimensionReport<Dag>` for LeftFirst vs RightFirst evaluation order per
-//! `tc2_evaluation_order_independence_deferred.dag` staging and
-//! `r3-v-pattern-a-tc2-v1-worker.md`. Unified consumer envelope: `BinaryDimensionReportEquals`.
-//!
-//! The runner executes the embedded claim program under eager applicative
-//! `InputEvaluationOrder::LeftFirst` vs `RightFirst` and requires identical top-level values
-//! (confluence slice). Other `BinaryDimensionReportEquals` claims remain NYI at the generic
-//! `eval_binary_dimension_report_equals_shape` boundary until substrate `DimensionReport<C>`
-//! producers land.
-//!
-//! **Vacuity guard:** embedded `TestClaim.source` is a binary Transform application with two
-//! non-atomic Int operands (`sub_pos(2 + 3, 1 + 1)`) so LeftFirst vs RightFirst schedules are not
-//! trivially identical traces at substrate flip (Pattern-A TC2 worker brief).
-//!
-//! **INVARIANTS P5:** The P5(b) **single checkable per-PR receipt** (Self-Generation-0 census / pairing /
-//! `ROADMAP.md` deferral) lives on **the PR description**, not in this file — see GitHub PR body for
-//! authoritative dissolution bookkeeping (`INVARIANTS.md` P5 Dispatch-Discipline mechanism (b)).
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/tc2_church_rosser_strict_fire.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/tc2_church_rosser_strict_fire.dag";
-const SUITE_NAME: &str = "tc2_church_rosser_strict_fire_suite";
-
-/// Sidecar bytes for the gate #12 claim program — **must** match parsed `TestClaim.source` from the
-/// `.dag` fixture (`tc2_strict_fire_suite_has_canonical_executable_claim_with_valid_binary_shape`).
-const CLAIM_PROGRAM_SOURCE: &str = include_str!("../fixtures/tc2_church_rosser_executable.v3");
-const CLAIM_PROGRAM_PATH: &str = "src/v3/compiler/tests/fixtures/tc2_church_rosser_executable.v3";
-
-const TC2_CLAIM_DATA_NAME: &str = "tc2_church_rosser_executable_claim";
-
-#[test]
-fn tc2_strict_fire_suite_has_canonical_executable_claim_with_valid_binary_shape() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let claim_decl = dag
-        .declaration_by_name(TC2_CLAIM_DATA_NAME)
-        .unwrap_or_else(|| panic!("missing `{TC2_CLAIM_DATA_NAME}` in {FIXTURE_PATH}"));
-    let claim = TestClaimValue::from_declaration(claim_decl).unwrap_or_else(|e| {
-        panic!("`{TC2_CLAIM_DATA_NAME}` should lower as TestClaim: {e}");
-    });
-    assert_eq!(
-        claim.source, CLAIM_PROGRAM_SOURCE,
-        "embedded `TestClaim.source` in {FIXTURE_PATH} must stay byte-identical to {CLAIM_PROGRAM_PATH} (single program authority per INVARIANTS P2)"
-    );
-    assert_eq!(
-        claim.file_name, "tc2_church_rosser_executable.v3",
-        "TestClaim.file_name must match the sidecar program path used in lowering checks"
-    );
-
-    let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-        Ok(program_dag) => program_dag,
-        Err(CompileError::Semantic(program_dag)) => panic!(
-            "embedded TestClaim.source should lower cleanly; diagnostics: {:?}",
-            program_dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("embedded TestClaim.source compile error: {other:?}"),
-    };
-    assert!(
-        program_dag.diagnostics().is_empty(),
-        "embedded claim program expected no diagnostics, got {:?}",
-        program_dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), 1, "strict-fire suite has exactly one claim");
-    assert_eq!(
-        results[0].claim_name, "tc2_church_rosser_executable",
-        "claim name must be the gate #12 canonical gate name"
-    );
-    assert_eq!(
-        results[0].result,
-        ClaimResult::Pass,
-        "tc2_church_rosser_executable must pass under LeftFirst vs RightFirst confluence check"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/tc3_strong_normalization_deferred_test.rs b/src/v3/compiler/tests/integration/tc3_strong_normalization_deferred_test.rs
deleted file mode 100644
index cbd734cbe2b..00000000000
--- a/src/v3/compiler/tests/integration/tc3_strong_normalization_deferred_test.rs
+++ /dev/null
@@ -1,46 +0,0 @@
-//! **Layer:** integration
-//!
-//! TC3 strong-normalization stage-(a) fixture — `BinaryDimensionReportEquals` consumer
-//! for `tc3_strong_normalization_deferred.dag` (R3 Verification); runner evaluation NYI
-//! until `DimensionReport<C>` production lands. Full theorem witnessing awaits T-FixedPoint.
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/tc3_strong_normalization_deferred.dag");
-const FIXTURE_PATH: &str = "src/v3/compiler/tests/fixtures/tc3_strong_normalization_deferred.dag";
-const SUITE_NAME: &str = "tc3_strong_normalization_suite";
-
-#[test]
-fn tc3_strong_normalization_suite_shape_valid_nyi_at_head() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name,
-        "tc3_strong_normalization_substrate_introduced"
-    );
-    // See `tc2_evaluation_order_independence_suite_passes`: fixture is a single
-    // `BinaryDimensionReportEquals` claim; NYI without matching on `reason` text.
-    assert!(
-        matches!(&results[0].result, ClaimResult::NotYetImplemented(_)),
-        "expected TC3 claim to stop at NYI (shape-valid `BinaryDimensionReportEquals`), got {:?}",
-        results[0].result
-    );
-}
diff --git a/src/v3/compiler/tests/integration/tc3_strong_normalization_strict_fire_test.rs b/src/v3/compiler/tests/integration/tc3_strong_normalization_strict_fire_test.rs
deleted file mode 100644
index 43a8a5dfe6d..00000000000
--- a/src/v3/compiler/tests/integration/tc3_strong_normalization_strict_fire_test.rs
+++ /dev/null
@@ -1,113 +0,0 @@
-//! **Layer:** integration
-//!
-//! TC3 strong-normalization / Pattern-A second-mover — strict-fire executable form
-//! (§1.8 gate #13).
-//!
-//! Pairing `DimensionReport<Dag>` for baseline evaluation-step vs bounded-step /
-//! termination-evidence projections per `tc3_strong_normalization_deferred.dag` staging
-//! and `r3-v-pattern-a-tc3-v1-worker.md`. Unified consumer envelope:
-//! `BinaryDimensionReportEquals` (audit §Pattern A Compositionality Verdict).
-//!
-//! Today's runner returns `NotYetImplemented` with the canonical "structural shape is valid"
-//! reason (`eval_binary_dimension_report_equals_shape` in `src/v3/compiler/src/test_runner.rs`).
-//! Gate #13 stays **DECLARED** at this scaffold landing; the NYI receipt is fail-closed —
-//! a real equality eval **must** flip this test to `Pass` when (a)+(b) wiring lands
-//! (worker brief §Implementation slices). Strict-fire **PASSING** requires bundle
-//! stage (b): T-FixedPoint termination semantics (gunbc#2087) + Evaluator eval-step /
-//! bounded-step producer surface.
-//!
-//! **Vacuity guard:** embedded `TestClaim.source` is a structurally bounded computation
-//! (`succ(succ(0))`) — a multi-step evaluation whose baseline eval-step trace and
-//! termination-evidence projection diverge in step structure (Pattern-A TC3 worker brief).
-//!
-//! **INVARIANTS P5:** The §P5(b) **single checkable per-PR receipt** (Self-Generation-0 census / pairing /
-//! `ROADMAP.md` deferral) lives on **the PR description**, not in this file — see GitHub PR
-//! body for authoritative dissolution bookkeeping (`INVARIANTS.md` §P5 Dispatch-Discipline
-//! mechanism (b)).
-
-use v3_compiler::compile_to_dag;
-use v3_compiler::test_runner::{ClaimResult, TestClaimValue, TestRunner};
-use v3_compiler::CompileError;
-
-const FIXTURE_SOURCE: &str = include_str!("../fixtures/tc3_strong_normalization_strict_fire.dag");
-const FIXTURE_PATH: &str =
-    "src/v3/compiler/tests/fixtures/tc3_strong_normalization_strict_fire.dag";
-const SUITE_NAME: &str = "tc3_strong_normalization_strict_fire_suite";
-
-/// Sidecar bytes for the §1.8 claim program — **must** match parsed `TestClaim.source` from the
-/// `.dag` fixture (`tc3_strict_fire_suite_has_canonical_executable_claim_with_valid_binary_shape`).
-const CLAIM_PROGRAM_SOURCE: &str =
-    include_str!("../fixtures/tc3_strong_normalization_executable.v3");
-const CLAIM_PROGRAM_PATH: &str =
-    "src/v3/compiler/tests/fixtures/tc3_strong_normalization_executable.v3";
-
-const TC3_CLAIM_DATA_NAME: &str = "tc3_pattern_a_second_mover_executable_claim";
-
-#[test]
-fn tc3_strict_fire_suite_has_canonical_executable_claim_with_valid_binary_shape() {
-    let dag = match compile_to_dag(FIXTURE_SOURCE, FIXTURE_PATH) {
-        Ok(dag) => {
-            assert!(
-                dag.diagnostics().is_empty(),
-                "{FIXTURE_PATH}: expected empty module diagnostics, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-            dag
-        }
-        Err(CompileError::Semantic(dag)) => panic!(
-            "{FIXTURE_PATH} should lower without module diagnostics. Got `Err(Semantic)`: {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("unexpected compile error for {FIXTURE_PATH}: {other:?}"),
-    };
-
-    let claim_decl = dag
-        .declaration_by_name(TC3_CLAIM_DATA_NAME)
-        .unwrap_or_else(|| panic!("missing `{TC3_CLAIM_DATA_NAME}` in {FIXTURE_PATH}"));
-    let claim = TestClaimValue::from_declaration(claim_decl).unwrap_or_else(|e| {
-        panic!("`{TC3_CLAIM_DATA_NAME}` should lower as TestClaim: {e}");
-    });
-    assert_eq!(
-        claim.source, CLAIM_PROGRAM_SOURCE,
-        "embedded `TestClaim.source` in {FIXTURE_PATH} must stay byte-identical to {CLAIM_PROGRAM_PATH} (single program authority per INVARIANTS P2)"
-    );
-    assert_eq!(
-        claim.file_name, "tc3_strong_normalization_executable.v3",
-        "TestClaim.file_name must match the sidecar program path used in lowering checks"
-    );
-
-    let program_dag = match compile_to_dag(&claim.source, &claim.file_name) {
-        Ok(program_dag) => program_dag,
-        Err(CompileError::Semantic(program_dag)) => panic!(
-            "embedded TestClaim.source should lower cleanly; diagnostics: {:?}",
-            program_dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-        Err(other) => panic!("embedded TestClaim.source compile error: {other:?}"),
-    };
-    assert!(
-        program_dag.diagnostics().is_empty(),
-        "embedded claim program expected no diagnostics, got {:?}",
-        program_dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-
-    let results = TestRunner::new(&dag).run_suite(SUITE_NAME);
-    assert_eq!(results.len(), 1, "strict-fire suite has exactly one claim");
-    assert_eq!(
-        results[0].claim_name, "tc3_pattern_a_second_mover_executable",
-        "claim name must be the §1.8 #13 canonical gate name"
-    );
-    // R3 §1.8 gate #13 CONSUMER_LANDED + PASSING: bounded-runner second-mover proxy compares
-    // baseline eval-step vs compare projection `DimensionReport<Dag>` for the embedded program
-    // (`succ(succ(0))`). Both projections evaluate the top-level value bind and return the same
-    // `Value`; equivalence under `BinaryDimensionReportEquals` per
-    // `tc3_pattern_a_second_mover_dimension_reports_equivalent_under_binary_equals`. Single
-    // forward dissolution trigger: eval-step / bounded-step producer surface +
-    // G1.a static-lens-fold producer-surface-wiring (per
-    // `docs/briefs/r3-evaluator-tc3-d4-eval-step-producer-worker.md`) — when those land, this arm
-    // migrates to live producer-emitted reports without changing fixture or claim name.
-    assert!(
-        matches!(&results[0].result, ClaimResult::Pass),
-        "expected gate #13 BinaryDimensionReportEquals Pass, got {:?}",
-        results[0].result
-    );
-}
diff --git a/src/v3/compiler/tests/integration/test_runner_test.rs b/src/v3/compiler/tests/integration/test_runner_test.rs
deleted file mode 100644
index 8b0456ea374..00000000000
--- a/src/v3/compiler/tests/integration/test_runner_test.rs
+++ /dev/null
@@ -1,1505 +0,0 @@
-//! **Layer:** integration
-
-use std::path::PathBuf;
-
-use crate::common::{cached_compile_outcome, CachedCompileOutcome};
-use v3_compiler::dag::{FieldValue, LiteralBits, ValueBody};
-use v3_compiler::diagnostics::Diagnostic;
-use v3_compiler::test_runner::TestClaimValue;
-use v3_compiler::test_runner::{ClaimResult, TestRunner};
-
-const MOCK_BACKED_INVARIANT_FIXTURE: &str =
-    include_str!("../fixtures/r1_mock_backed_invariant_gate.dag");
-
-fn compile_clean(source: &str, file: &str) -> v3_compiler::dag::Dag {
-    match cached_compile_outcome(source, file) {
-        CachedCompileOutcome::Clean(dag) => dag,
-        CachedCompileOutcome::Semantic(dag) => panic!(
-            "{file} should compile cleanly, got {:?}",
-            dag.diagnostics().iter().collect::<Vec<_>>()
-        ),
-    }
-}
-
-fn assert_all_pass(results: &[v3_compiler::test_runner::ClaimEvaluation]) {
-    assert!(
-        results
-            .iter()
-            .all(|result| result.result == ClaimResult::Pass),
-        "expected every claim to pass, got {results:?}"
-    );
-}
-
-#[test]
-fn r1_merge_sort_pair_fixture_cost_is_hit_three() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let path = manifest_dir.join("tests/fixtures/r1_merge_sort_pair.v3");
-    let source = std::fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {path:?}: {e}"));
-    let dag = compile_clean(&source, "r1_merge_sort_pair.v3");
-    let bind = dag.nodes().iter().find_map(|n| match n {
-        v3_compiler::dag::Behavior::Bind(b) if b.name == "merge_sort_out" => Some(b.clone()),
-        _ => None,
-    });
-    let Some(bind) = bind else {
-        panic!("merge_sort_out bind missing");
-    };
-    let cost = v3_compiler::lens_cost::cost_of(&dag, &bind.value);
-    assert_eq!(cost, v3_compiler::lens_cost::CostLookup::Hit(3));
-}
-
-fn claim_value(dag: &v3_compiler::dag::Dag, name: &str) -> TestClaimValue {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("claim `{name}` not found"));
-    TestClaimValue::from_declaration(decl)
-        .unwrap_or_else(|reason| panic!("claim `{name}` should lower structurally: {reason}"))
-}
-
-#[test]
-fn test_runner_runs_compiles_and_fails_with_diagnostic_claims() {
-    let source = r#"
-data claim_compiles: TestClaim = {
-  name: "compiles",
-  source: "let x: Int = 1",
-  file_name: "runner_compiles.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data claim_fails: TestClaim = {
-  name: "fails with type mismatch",
-  source: "let x: Bool = 1",
-  file_name: "runner_fails.v3",
-  predicate: FailsWithDiagnostic({ kind: TypeMismatch, detail_contains: AnyDetail }),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_smoke",
-  claims: [Enumerated(claim_compiles), Enumerated(claim_fails)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_smoke.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 2);
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_reports_claim_failures() {
-    let source = r#"
-data claim_should_compile: TestClaim = {
-  name: "bad compile expectation",
-  source: "let x: Bool = 1",
-  file_name: "runner_bad_compile.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_failure",
-  claims: [Enumerated(claim_should_compile)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_failure.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(matches!(results[0].result, ClaimResult::Fail(_)));
-}
-
-#[test]
-fn test_runner_data_bodies_reject_requires_empty_call_today() {
-    // Checklist item (2) in `docs/briefs/r1-testgen-manager.md` — `requires: []`
-    // vs `requires: empty()`: in a `data` body, only the `[]` list literal lowers
-    // today. `empty()` trips the M1(2.8) class-5 gap (the data body cannot be
-    // structurally validated), so the runner path on
-    // `src/v3/compiler/tests/dag/*.dag` **must** stay with `[]`. `empty()` remains
-    // valid in `let` bindings (Brief D `.v3` fixtures under
-    // `tests/fixtures/t_pb_b_brief_d/` use it), but those bindings are not
-    // `Declaration`s and so are not directly `run_suite`-consumable.
-    //
-    // This is the standing receipt: if the M1(2.8) class-5 restriction lifts and
-    // `data` bodies start accepting `empty()`, this test flips to a green
-    // "equivalence" test — at which point the `.dag` files can optionally migrate
-    // off the `[]` literal.
-    let source = r#"
-import std.list { empty }
-
-data claim_empty_requires: TestClaim = {
-  name: "empty() requires compiles",
-  source: "let x: Int = 1",
-  file_name: "runner_empty_requires.v3",
-  predicate: Compiles,
-  requires: empty()
-}
-"#;
-    match cached_compile_outcome(source, "test_runner_empty_requires.dag") {
-        CachedCompileOutcome::Semantic(dag) => {
-            // Variant-level check: the class-5 gap surfaces as a `ResolveError`
-            // on the `requires` field of `claim_empty_requires`. Binding to the
-            // variant + `name` payload is sturdier than a raw message-substring
-            // check — the message may be rephrased, but the variant + the
-            // data-decl name are the stable facts. Message substring is retained
-            // as the secondary signal until a diagnostic-code vocabulary lands
-            // (cross-link: review observation on #736).
-            let found_resolve_error = dag.diagnostics().iter().any(|(_, diag)| {
-                matches!(
-                    diag,
-                    Diagnostic::ResolveError { name, .. }
-                        if name.contains("claim_empty_requires")
-                            && name.contains("requires")
-                            && name.contains("list literal")
-                )
-            });
-            assert!(
-                found_resolve_error,
-                "expected ResolveError naming `claim_empty_requires` / `requires` / `list literal`, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-        }
-        other => {
-            panic!("expected `requires: empty()` to be rejected by M1(2.8) today, got {other:?}")
-        }
-    }
-}
-
-#[test]
-fn test_runner_fails_closed_on_requires_edges() {
-    let source = r#"
-data claim_with_requires: TestClaim = {
-  name: "requires resource",
-  source: "let x: Int = 1",
-  file_name: "runner_requires.v3",
-  predicate: Compiles,
-  requires: [{ target: Int }]
-}
-
-data suite: TestSuite = {
-  name: "runner_requires",
-  claims: [Enumerated(claim_with_requires)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_requires.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(matches!(
-        &results[0].result,
-        ClaimResult::Fail(reason) if reason.contains("resource requirement")
-    ));
-}
-
-#[test]
-fn test_runner_matches_parse_diagnostics_before_dag_exists() {
-    let source = r#"
-data claim_parse_error: TestClaim = {
-  name: "parse diagnostic",
-  source: "let x =",
-  file_name: "runner_parse_error.v3",
-  predicate: FailsWithDiagnostic({ kind: ParseError, detail_contains: AnyDetail }),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_parse_error",
-  claims: [Enumerated(claim_parse_error)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_parse_error.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert_eq!(results[0].result, ClaimResult::Pass);
-}
-
-#[test]
-fn test_runner_fails_closed_on_malformed_diagnostic_detail_filter() {
-    let source = r#"
-data claim_parse_error: TestClaim = {
-  name: "parse diagnostic",
-  source: "let x =",
-  file_name: "runner_malformed_detail.v3",
-  predicate: FailsWithDiagnostic({ kind: ParseError, detail_contains: AnyDetail }),
-  requires: []
-}
-"#;
-    let dag = compile_clean(source, "test_runner_malformed_detail.dag");
-    let mut claim = claim_value(&dag, "claim_parse_error");
-
-    let FieldValue::Variant { payload, .. } = &mut claim.predicate else {
-        panic!("predicate should be a variant");
-    };
-    let [FieldValue::Record(fields)] = payload.as_mut_slice() else {
-        panic!("FailsWithDiagnostic should carry a DiagnosticReference record");
-    };
-    let detail_contains = fields
-        .iter_mut()
-        .find(|(label, _)| label == "detail_contains")
-        .map(|(_, value)| value)
-        .expect("DiagnosticReference has detail_contains");
-    let FieldValue::Variant { payload, .. } = detail_contains else {
-        panic!("detail_contains should be a variant");
-    };
-    *payload = vec![FieldValue::Literal(LiteralBits::String(
-        "not valid for AnyDetail".to_string(),
-    ))];
-
-    let result = TestRunner::new(&dag).run_claim(&claim).result;
-    assert!(matches!(
-        result,
-        ClaimResult::Fail(reason) if reason.contains("AnyDetail should not carry payload")
-    ));
-}
-
-#[test]
-fn test_runner_evaluates_cost_bounded_claim() {
-    let source = r#"
-data claim_cost: TestClaim = {
-  name: "cost bounded",
-  source: "let x: Int = 0",
-  file_name: "runner_cost.v3",
-  predicate: CostBounded("x", Eq, 0),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_cost",
-  claims: [Enumerated(claim_cost)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_cost.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert_all_pass(&results);
-}
-
-#[test]
-// P5 receipt for R3 T-WAD gate #101 (`test_cost_dimension_landed`): until
-// #102 wires the slow-test ratchet to v3 timing data, this hand-written
-// integration test is the checkable lowering receipt for the new
-// `TestNodeCostDimension` substrate shape. It compiles the `.dag` row through
-// the real bootstrap stack, asserts the nested `TimingBudget` / `Nanoseconds`
-// structure, and runs the referenced `TestClaim` through `TestRunner`.
-fn test_cost_dimension_landed_on_test_node() {
-    let source = r#"
-data claim_cost: TestClaim = {
-  name: "cost dimension node",
-  source: "let x: Int = 0",
-  file_name: "runner_cost_dimension.v3",
-  predicate: CostBounded("x", Eq, 0),
-  requires: []
-}
-
-data claim_cost_dimension: TestNodeCostDimension = {
-  node: EnumeratedTestNode(claim_cost),
-  budget: { max: { count: 2000000000 } },
-  measured: Observed { duration: { count: 17000000 } }
-}
-
-data suite: TestSuite = {
-  name: "runner_cost_dimension",
-  claims: [Enumerated(claim_cost)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_cost_dimension.dag");
-    let dimension = dag
-        .declarations()
-        .iter()
-        .find(|decl| decl.name.as_deref() == Some("claim_cost_dimension"))
-        .expect("test node cost dimension declaration should lower");
-    let fields = match dimension.value_body.as_ref() {
-        Some(ValueBody::Structural { fields }) => fields,
-        other => panic!("TestNodeCostDimension should lower structurally, got {other:?}"),
-    };
-
-    let budget = fields
-        .iter()
-        .find(|(label, _)| label == "budget")
-        .map(|(_, value)| value)
-        .expect("budget timing field should be present");
-    let FieldValue::Record(budget_fields) = budget else {
-        panic!("budget should lower as a TimingBudget record, got {budget:?}");
-    };
-    let max = budget_fields
-        .iter()
-        .find(|(label, _)| label == "max")
-        .map(|(_, value)| value)
-        .expect("TimingBudget.max should be present");
-    let FieldValue::Record(max_fields) = max else {
-        panic!("TimingBudget.max should lower as a Nanoseconds record, got {max:?}");
-    };
-    assert!(
-        max_fields.iter().any(|(label, value)| {
-            label == "count"
-                && matches!(
-                    value,
-                    FieldValue::Literal(LiteralBits::Int(bits))
-                    if bits == "2000000000"
-                )
-        }),
-        "budget TimingBudget.max Nanoseconds should retain its count field"
-    );
-
-    let results = TestRunner::new(&dag).run_suite("suite");
-    assert_eq!(results.len(), 1);
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_evaluates_port_has_state_claim() {
-    let source = r#"
-data claim_state: TestClaim = {
-  name: "port has state",
-  source: "let x: Int = 0",
-  file_name: "runner_port_state.v3",
-  predicate: PortHasState("x", Resolved),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_port_state",
-  claims: [Enumerated(claim_state)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_port_state.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_evaluates_execute_command_pass_and_fail() {
-    let pass = r#"
-data claim_true: TestClaim = {
-  name: "true exits 0",
-  source: "let x: Int = 0",
-  file_name: "runner_exec_pass.v3",
-  predicate: ExecuteCommand("true", [], 0),
-  requires: []
-}
-data suite_pass: TestSuite = { name: "execute_command_pass", claims: [Enumerated(claim_true)] }
-"#;
-    let dag = compile_clean(pass, "test_runner_exec_pass.dag");
-    let results = TestRunner::new(&dag).run_suite("suite_pass");
-    assert_eq!(results.len(), 1);
-    assert_eq!(results[0].result, ClaimResult::Pass);
-
-    let mismatch = r#"
-data claim_mismatch: TestClaim = {
-  name: "expect 1, true exits 0",
-  source: "let x: Int = 0",
-  file_name: "runner_exec_mismatch.v3",
-  predicate: ExecuteCommand("true", [], 1),
-  requires: []
-}
-data suite_mismatch: TestSuite = { name: "execute_command_mismatch", claims: [Enumerated(claim_mismatch)] }
-"#;
-    let dag = compile_clean(mismatch, "test_runner_exec_mismatch.dag");
-    let results = TestRunner::new(&dag).run_suite("suite_mismatch");
-    assert_eq!(results.len(), 1);
-    let ClaimResult::Fail(msg) = &results[0].result else {
-        panic!(
-            "expected Fail on exit mismatch, got {:?}",
-            results[0].result
-        );
-    };
-    assert!(
-        msg.contains("exit code mismatch") && msg.contains("expected 1") && msg.contains("got 0"),
-        "unexpected fail message: {msg}"
-    );
-}
-
-/// Missing-host-binary triage: on some hosts the failure is a **spawn** `Err` from
-/// `std::process::Command`; on **Linux** the runner usually prefixes with `unshare(1)`,
-/// so `unshare` may spawn successfully while the inner `exec` fails, surfacing as **exit
-/// code mismatch** (e.g. 127) instead; or `unshare` itself may fail to start. All remain
-/// typed `Fail` and distinguishable from other ExecuteCommand outcomes (PR #792 / claude review).
-#[test]
-fn test_runner_execute_command_missing_binary_is_distinguishable_fail() {
-    let source = r#"
-data claim: TestClaim = {
-  name: "no such binary",
-  source: "let x: Int = 0",
-  file_name: "runner_exec_spawn.v3",
-  predicate: ExecuteCommand(
-    "no_such_v3_test_binary_a7f2c1",
-    [],
-    0
-  ),
-  requires: []
-}
-data suite: TestSuite = { name: "execute_command_spawn", claims: [Enumerated(claim)] }
-"#;
-    let dag = compile_clean(source, "test_runner_exec_spawn.dag");
-    let result = &TestRunner::new(&dag).run_suite("suite")[0].result;
-    let ClaimResult::Fail(msg) = result else {
-        panic!("expected Fail, got {result:?}");
-    };
-    // After the typed-outcome refactor + helper-binary wiring (PR #1049 / Worker 4),
-    // the only production-emittable phrasings for missing-binary on this seam are:
-    //   * `SpawnFailed { wrapper: None }`         → "ExecuteCommand spawn error: ..."
-    //   * `SpawnFailed { wrapper: Some(_) }`      → "wrapper failed to spawn"
-    //   * `SpawnFailed` from helper-probe miss    → "not executable"
-    //   * `SetupFailed { NamespaceSetupAndDirectSpawnFailed }`
-    //                                             → "namespace setup failed"
-    //   * `SetupFailed { HelperBinaryMissing }`
-    //                                             → "helper not found"
-    //   * `Mismatch`                              → "exit code mismatch"
-    assert!(
-        msg.contains("spawn error")
-            || msg.contains("exit code mismatch")
-            || msg.contains("not executable")
-            || msg.contains("namespace setup failed")
-            || msg.contains("helper not found")
-            || (msg.contains("unshare(1)") && msg.contains("wrapper failed to spawn")),
-        "expected missing-binary or unshare triage; got: {msg}"
-    );
-}
-
-#[test]
-fn test_runner_scopes_bind_lookup_to_claim_source_file() {
-    let source = r#"
-data claim_state: TestClaim = {
-  name: "port state for shadowing bind",
-  source: "let sequential: Int = 0",
-  file_name: "runner_shadow_bind.v3",
-  predicate: PortHasState("sequential", Resolved),
-  requires: []
-}
-
-data claim_cost: TestClaim = {
-  name: "cost for shadowing bind",
-  source: "let sequential: Int = 0",
-  file_name: "runner_shadow_bind.v3",
-  predicate: CostBounded("sequential", Eq, 0),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_shadow_bind",
-  claims: [Enumerated(claim_state), Enumerated(claim_cost)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_shadow_bind.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 2);
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_evaluates_output_equals_claim() {
-    let source = r#"
-data claim_output: TestClaim = {
-  name: "output equals",
-  source: "data answer: Int = 1",
-  file_name: "runner_output.v3",
-  predicate: OutputEquals("1"),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_output",
-  claims: [Enumerated(claim_output)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_output.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_marks_non_day_one_predicates_not_yet_implemented() {
-    let source = r#"
-data claim_nyi: TestClaim = {
-  name: "behavioral observation",
-  source: "let x: Int = 0",
-  file_name: "runner_nyi.v3",
-  // Struct-variant field names are schema metadata today; the surface parser
-  // accepts positional payload syntax for authored values.
-  predicate: BehavioralObservation(Int, Int, Int),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "runner_nyi",
-  claims: [Enumerated(claim_nyi)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_nyi.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(matches!(
-        &results[0].result,
-        ClaimResult::NotYetImplemented(reason)
-            if reason.contains("BehavioralObservation")
-    ));
-}
-
-#[test]
-fn test_runner_dispatches_pb_census_predicate_shapes() {
-    let source = r#"
-import std.verification {
-  compiler_std_positive_set_ratchet,
-  expected_hand_authored_non_test,
-  lens_producer_files_subset_predicate,
-  PendingFact,
-  ResolvedFact
-}
-
-data census_authority: Int = 0
-
-data census_bound_claim: TestClaim = {
-  name: "pb_hand_rust_at_shim_floor",
-  source: "let x: Int = 1",
-  file_name: "pb_hand_rust_at_shim_floor.v3",
-  predicate: CensusBoundCheck(census_authority, expected_hand_authored_non_test, 0),
-  requires: []
-}
-
-data census_subset_claim: TestClaim = {
-  name: "lens_producer_files_remaining",
-  source: "let x: Int = 1",
-  file_name: "lens_producer_files_remaining.v3",
-  predicate: CensusSubsetCount {
-    authority: census_authority,
-    list_constant: expected_hand_authored_non_test,
-    subset_predicate: lens_producer_files_subset_predicate
-  },
-  requires: []
-}
-
-data fixed_point_claim: TestClaim = {
-  name: "pb_self_compile_fixed_point",
-  source: "let x: Int = 1",
-  file_name: "pb_self_compile_fixed_point.v3",
-  predicate: FixedPointConverges("default_fixed_point_source", "pipeline_stage_snapshots"),
-  requires: []
-}
-
-data ratchet_zero_claim: TestClaim = {
-  name: "pb_compiler_std_ratchet_zero",
-  source: "let x: Int = 1",
-  file_name: "pb_compiler_std_ratchet_zero.v3",
-  predicate: RatchetZero {
-    authority: census_authority,
-    ratchet_kind: compiler_std_positive_set_ratchet
-  },
-  requires: []
-}
-
-data generated_from_dag_claim: TestClaim = {
-  name: "pb_test_file_generated_from_dag",
-  source: "let x: Int = 1",
-  file_name: "pb_test_file_generated_from_dag.v3",
-  predicate: GeneratedFromDag(census_authority, [
-    PendingFact { output_path: "src/v3/compiler/tests/integration.rs" },
-    ResolvedFact {
-      output_path: "src/v3/compiler/tests/integration.rs",
-      dag_source: census_authority,
-      source_hash: "test-runner-resolved-fact-decode-coverage"
-    }
-  ]),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "pb_census_predicate_shapes",
-  claims: [
-    Enumerated(census_bound_claim),
-    Enumerated(census_subset_claim),
-    Enumerated(fixed_point_claim),
-    Enumerated(ratchet_zero_claim),
-    Enumerated(generated_from_dag_claim)
-  ]
-}
-"#;
-    let dag = compile_clean(source, "pb_census_predicate_shapes.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 5);
-    let result_for = |claim_name: &str| {
-        &results
-            .iter()
-            .find(|result| result.claim_name == claim_name)
-            .unwrap_or_else(|| panic!("missing claim result for `{claim_name}`"))
-            .result
-    };
-    let assert_fail_contains = |claim_name: &str, expected: &str| {
-        assert!(
-            matches!(result_for(claim_name), ClaimResult::Fail(reason) if reason.contains(expected)),
-            "expected `{claim_name}` to fail with `{expected}`, got {:?}",
-            result_for(claim_name)
-        );
-    };
-    assert_fail_contains(
-        "pb_hand_rust_at_shim_floor",
-        "expected_hand_authored_non_test",
-    );
-    assert_fail_contains(
-        "lens_producer_files_remaining",
-        "lens-producer subset observed 3",
-    );
-    assert_eq!(
-        result_for("pb_self_compile_fixed_point"),
-        &ClaimResult::Pass
-    );
-    assert_fail_contains(
-        "pb_compiler_std_ratchet_zero",
-        "compiler_std_positive_set_ratchet",
-    );
-    assert!(
-        matches!(result_for("pb_test_file_generated_from_dag"), ClaimResult::Fail(reason)
-            if reason.contains("duplicate")
-                || reason.contains("only-in-manifest")
-                || reason.contains("missing-from-manifest")),
-        "expected `pb_test_file_generated_from_dag` to fail on manifest vs `GENERATED_FILES` authority mismatch, got {:?}",
-        result_for("pb_test_file_generated_from_dag")
-    );
-}
-
-#[test]
-fn generated_from_dag_resolved_fact_requires_non_empty_source_hash() {
-    let source = r#"
-import std.verification { ResolvedFact }
-
-data census_authority: Int = 0
-data resolved_source: Int = 1
-
-data generated_from_dag_claim: TestClaim = {
-  name: "pb_test_file_generated_from_dag",
-  source: "let x: Int = 1",
-  file_name: "pb_test_file_generated_from_dag.v3",
-  predicate: GeneratedFromDag(census_authority, [
-    ResolvedFact {
-      output_path: "src/v3/compiler/tests/integration.rs",
-      dag_source: resolved_source,
-      source_hash: ""
-    }
-  ]),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "pb_census_predicate_shapes",
-  claims: [Enumerated(generated_from_dag_claim)]
-}
-"#;
-    let dag = compile_clean(source, "pb_resolved_fact_empty_hash.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(&results[0].result, ClaimResult::Fail(reason)
-            if reason.contains("ResolvedFact `source_hash` must be non-empty")),
-        "expected empty ResolvedFact source_hash to fail closed, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn mock_backed_invariant_predicate_accepts_declaration_ref_like_lens_output_equals() {
-    let source = r#"
-data claim: TestClaim = {
-  name: "c",
-  source: "let _: Int = 0",
-  file_name: "f.v3",
-  predicate: MockBackedInvariant(Int, Int),
-  requires: []
-}
-"#;
-    compile_clean(source, "mock_backed_invariant_harness.v3");
-}
-
-#[test]
-fn test_runner_dispatches_mock_backed_invariant_claim() {
-    let dag = compile_clean(
-        MOCK_BACKED_INVARIANT_FIXTURE,
-        "src/v3/compiler/tests/fixtures/r1_mock_backed_invariant_gate.dag",
-    );
-    let results = TestRunner::new(&dag).run_suite("mock_backed_invariant_suite");
-
-    assert_eq!(results.len(), 1);
-    assert_eq!(
-        results[0].claim_name,
-        "testgen_mock_backed_integration_safe"
-    );
-    assert_eq!(results[0].result, ClaimResult::Pass);
-}
-
-#[test]
-fn test_runner_mock_backed_invariant_fails_when_invariant_rejects_subject_output() {
-    let source = r#"
-data subject_ref: Int = 0
-data invariant_ref: Int = 0
-
-data claim: TestClaim = {
-  name: "mock backed clean source",
-  source: "fn subject_ref() -> Int = 500\n\nfn invariant_ref(code: Int) -> Bool = code == 200\n\nlet _: Int = 0\n",
-  file_name: "clean_mock_subject.v3",
-  predicate: MockBackedInvariant(subject_ref, invariant_ref),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "clean_mock_subject_suite",
-  claims: [Enumerated(claim)]
-}
-"#;
-    let dag = compile_clean(source, "clean_mock_subject_harness.v3");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(matches!(
-        &results[0].result,
-        ClaimResult::Fail(reason)
-            if reason.contains("invariant") && reason.contains("Bool(true)")
-    ));
-}
-
-#[test]
-fn lens_output_equals_predicate_accepts_declaration_ref_literals_like_mock_invariant() {
-    let source = r#"
-data claim: TestClaim = {
-  name: "c",
-  source: "let _: Int = 0",
-  file_name: "f.v3",
-  predicate: LensOutputEquals(Int, Int, Int),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "s",
-  claims: [Enumerated(claim)]
-}
-"#;
-    compile_clean(source, "lens_output_equals_int_harness.v3");
-}
-
-#[test]
-fn binary_dimension_report_equals_rejects_non_report_refs() {
-    let source = r#"
-module test.binary_dimension_report_equals_non_report
-
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-fn left_report() -> Int = 0
-fn right_report() -> Int = 0
-
-data claim: TestClaim = {
-  name: "non-report refs fail closed",
-  source: "let _: Int = 0",
-  file_name: "binary_dimension_report_non_report.v3",
-  predicate: BinaryDimensionReportEquals(left_report, right_report),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "s",
-  claims: [Enumerated(claim)]
-}
-"#;
-    let dag = compile_clean(source, "binary_dimension_report_non_report_harness.v3");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(
-            &results[0].result,
-            ClaimResult::Fail(reason)
-                if reason.contains("BinaryDimensionReportEquals")
-                    && reason.contains("DimensionReport<C>")
-                    && reason.contains("left_report")
-        ),
-        "expected non-report refs to fail closed, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn binary_dimension_report_equals_rejects_mismatched_report_carriers() {
-    let source = r#"
-module test.binary_dimension_report_equals_mismatched_carriers
-
-import std.dimensions { DimensionReport }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-type left_report = DimensionReport<Int>
-type right_report = DimensionReport<String>
-
-data claim: TestClaim = {
-  name: "mismatched report carriers fail closed",
-  source: "let _: Int = 0",
-  file_name: "binary_dimension_report_mismatched_carriers.v3",
-  predicate: BinaryDimensionReportEquals(left_report, right_report),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "s",
-  claims: [Enumerated(claim)]
-}
-"#;
-    let dag = compile_clean(
-        source,
-        "binary_dimension_report_mismatched_carriers_harness.v3",
-    );
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(
-            &results[0].result,
-            ClaimResult::Fail(reason)
-                if reason.contains("BinaryDimensionReportEquals")
-                    && reason.contains("same carrier C")
-                    && reason.contains("Int")
-                    && reason.contains("String")
-        ),
-        "expected mismatched report carriers to fail closed, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn binary_dimension_report_equals_accepts_same_report_carrier_shape() {
-    let source = r#"
-module test.binary_dimension_report_equals_same_carrier
-
-import std.dimensions { DimensionReport }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-type left_report = DimensionReport<Int>
-type right_report = DimensionReport<Int>
-
-data claim: TestClaim = {
-  name: "same report carrier passes shape validation",
-  source: "let _: Int = 0",
-  file_name: "binary_dimension_report_same_carrier.v3",
-  predicate: BinaryDimensionReportEquals(left_report, right_report),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "s",
-  claims: [Enumerated(claim)]
-}
-"#;
-    let dag = compile_clean(source, "binary_dimension_report_same_carrier_harness.v3");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(
-            &results[0].result,
-            ClaimResult::NotYetImplemented(reason)
-                if reason.contains("BinaryDimensionReportEquals")
-                    && reason.contains("structural shape is valid")
-        ),
-        "expected same report carrier shape to reach NYI evaluation path, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn binary_dimension_report_equals_accepts_structurally_equivalent_report_carriers() {
-    let source = r#"
-module test.binary_dimension_report_equals_structural_carriers
-
-import std.dimensions { DimensionReport }
-import std.verification { BinaryDimensionReportEquals, TestClaim, TestSuite }
-
-type LeftCarrier { value: Int }
-type RightCarrier { value: Int }
-
-type left_report = DimensionReport<LeftCarrier>
-type right_report = DimensionReport<RightCarrier>
-
-data claim: TestClaim = {
-  name: "structurally equivalent report carriers pass shape validation",
-  source: "let _: Int = 0",
-  file_name: "binary_dimension_report_structural_carriers.v3",
-  predicate: BinaryDimensionReportEquals(left_report, right_report),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "s",
-  claims: [Enumerated(claim)]
-}
-"#;
-    let dag = compile_clean(
-        source,
-        "binary_dimension_report_structural_carriers_harness.v3",
-    );
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(
-            &results[0].result,
-            ClaimResult::NotYetImplemented(reason)
-                if reason.contains("BinaryDimensionReportEquals")
-                    && reason.contains("structural shape is valid")
-        ),
-        "expected structurally equivalent report carriers to pass shape validation, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn lens_output_equals_malformed_claim_source_fails_closed_with_literal_input() {
-    // INVARIANTS P3 / TESTING: tokenize/parse failure for `TestClaim.source` must surface as
-    // `Fail`, not fall back to the fixture lens (which could still `Pass` on a stub).
-    let source = r#"
-module test.lens_output_equals_bad_claim_source
-
-import std.substrate { Dag }
-import std.verification { LensOutputEquals, TestClaim, TestSuite }
-
-fn zero_on_dag(d: Dag) -> Int = 0
-
-data lens_input: Int = 7
-
-data lens_expected: Int = 0
-
-data claim_bad_program: TestClaim = {
-  name: "bad source should not fall back to fixture lens",
-  source: "this is not valid v3 >>>",
-  file_name: "lens_output_equals_bad_claim_source.v3",
-  predicate: LensOutputEquals(zero_on_dag, lens_input, lens_expected),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "suite",
-  claims: [Enumerated(claim_bad_program)]
-}
-"#;
-    let dag = compile_clean(source, "lens_output_equals_bad_claim_source_harness.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(
-            &results[0].result,
-            ClaimResult::Fail(reason)
-                if reason.contains("did not compile")
-                    || reason.contains("failed inference")
-        ),
-        "expected compile-time failure for malformed claim.source, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn r1_canonical_complexity_lens_bytes_declare_complexity_of() {
-    let bytes = include_str!("../../../lenses/complexity.dag");
-    // Post-PR #2271 widening: `cost_of` (int-depth adapter) renamed/widened
-    // to `complexity_of` returning `Lookup<ComplexitySummary>` per
-    // `docs/v3-lens-capability-register.md` complexity.dag row promotion.
-    // The legacy `cost_of` Rust adapter still exists per the register row,
-    // but the canonical lens-bytes (`.dag` source) now declare
-    // `complexity_of` directly.
-    assert!(
-        bytes.contains("fn complexity_of"),
-        "canonical lens should declare complexity_of"
-    );
-    assert!(
-        bytes.contains("fn compute_summaries") && bytes.contains("fn seed_bind_params"),
-        "canonical `complexity.dag` bytes should include the forward-fold spine, not just the `complexity_of` signature"
-    );
-}
-
-#[test]
-fn test_runner_dispatches_r1_gates_lens_output_equals_claim() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let gate = manifest_dir.join("tests/fixtures/r1_gates.dag");
-    let source =
-        std::fs::read_to_string(&gate).unwrap_or_else(|err| panic!("read {gate:?}: {err}"));
-    let dag = compile_clean(&source, "src/v3/compiler/tests/fixtures/r1_gates.dag");
-    let results = TestRunner::new(&dag).run_suite("r1_lens_output_equals_suite");
-
-    assert_eq!(results.len(), 1);
-    assert_eq!(results[0].claim_name, "lens_output_equals_gate");
-    assert_eq!(results[0].result, ClaimResult::Pass);
-}
-
-/// Retired string-keyed program-input bridge: only `ProgramInput {}` selects reflection of
-/// `TestClaim.source`. The historical declaration *name* on a non-carrier type must not spoof
-/// the structural path (B4.1 residual / brief addendum).
-#[test]
-fn lens_output_equals_retired_sentinel_name_on_int_is_not_program_input() {
-    let source = r#"
-module test.lens_output_equals_sentinel_name_spoof
-
-import std.list { fold }
-import std.substrate { Dag, Behavior }
-import std.types { Int }
-import std.verification { LensOutputEquals, TestClaim, TestSuite }
-
-fn count_named_bind(behavior: Behavior) -> Int =
-  match behavior {
-    Value(v) => 0
-    Transform(t) => 0
-    Branch(b) => 0
-    Loop(l) => 0
-    Bind(bind) => if bind.name == "" then 0 else 1
-  }
-
-fn named_function_count(d: Dag) -> Int =
-  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))
-
-// Name collides with the pre–B4.1 string sentinel only; type is ordinary `Int`, not `ProgramInput`.
-data r1_lens_output_input_from_program: Int = 0
-
-data spoof_expected: Int = 1
-
-data spoof_claim: TestClaim = {
-  name: "sentinel_name_spoof",
-  source: "let x: Int = 1\n",
-  file_name: "lens_output_equals_sentinel_spoof.v3",
-  predicate: LensOutputEquals(
-    named_function_count,
-    r1_lens_output_input_from_program,
-    spoof_expected
-  ),
-  requires: []
-}
-
-data spoof_suite: TestSuite = {
-  name: "spoof_suite",
-  claims: [Enumerated(spoof_claim)]
-}
-"#;
-    let dag = compile_clean(source, "lens_output_equals_sentinel_spoof_harness.dag");
-    let results = TestRunner::new(&dag).run_suite("spoof_suite");
-    assert_eq!(results.len(), 1);
-    assert_ne!(
-        results[0].result,
-        ClaimResult::Pass,
-        "expected Fail: name-only collision must not select claim-program reflection (structural `ProgramInput` only)"
-    );
-}
-
-#[test]
-fn lens_output_equals_program_output_bind_rejects_non_cost_lens() {
-    let source = r#"
-module test.lens_output_equals_output_bind_wrong_lens
-
-import std.list { fold }
-import std.substrate { Dag, Behavior }
-import std.types { Int }
-import std.verification { LensOutputEquals, ProgramOutputBind, TestClaim, TestSuite }
-
-fn count_named_bind(behavior: Behavior) -> Int =
-  match behavior {
-    Value(v) => 0
-    Transform(t) => 0
-    Branch(b) => 0
-    Loop(l) => 0
-    Bind(bind) => if bind.name == "" then 0 else 1
-  }
-
-fn named_function_count(d: Dag) -> Int =
-  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))
-
-data out: Int = 0
-
-data program_output: ProgramOutputBind = {
-  output_ref: out
-}
-
-data expected: Int = 1
-
-data wrong_lens_claim: TestClaim = {
-  name: "wrong_lens_output_bind",
-  source: "let out: Int = 1\n",
-  file_name: "lens_output_equals_wrong_output_bind.v3",
-  predicate: LensOutputEquals(
-    named_function_count,
-    program_output,
-    expected
-  ),
-  requires: []
-}
-
-data wrong_lens_suite: TestSuite = {
-  name: "wrong_lens_suite",
-  claims: [Enumerated(wrong_lens_claim)]
-}
-"#;
-    let dag = compile_clean(source, "lens_output_equals_wrong_output_bind_harness.dag");
-    let results = TestRunner::new(&dag).run_suite("wrong_lens_suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(
-            &results[0].result,
-            ClaimResult::Fail(reason)
-                if reason.contains("does not have the structural cost signature")
-        ),
-        "expected structural cost-signature failure, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn test_runner_algebraic_law_commutativity_passes_for_int_add() {
-    let source = r#"
-module test.algebraic_law_commutativity_nyi
-
-import std.verification { AlgebraicLaw, TestClaim, TestSuite }
-
-fn lens_placeholder(a: Int, b: Int) -> Int = a + b
-
-data claim_comm: TestClaim = {
-  name: "algebraic law commutativity",
-  source: "fn lens_placeholder(a: Int, b: Int) -> Int = a + b",
-  file_name: "algebraic_law_comm.v3",
-  predicate: AlgebraicLaw(Commutativity, lens_placeholder),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "algebraic_law_commutativity_suite",
-  claims: [Enumerated(claim_comm)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_algebraic_law_comm.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert_eq!(results[0].result, ClaimResult::Pass);
-}
-
-#[test]
-fn test_runner_algebraic_law_commutativity_fails_for_subtraction() {
-    let source = r#"
-module test.algebraic_law_commutativity_fail
-
-import std.verification { AlgebraicLaw, TestClaim, TestSuite }
-
-fn lens_placeholder(a: Int, b: Int) -> Int = a - b
-
-data claim_comm: TestClaim = {
-  name: "algebraic law commutativity fails",
-  source: "fn lens_placeholder(a: Int, b: Int) -> Int = a - b",
-  file_name: "algebraic_law_comm_fail.v3",
-  predicate: AlgebraicLaw(Commutativity, lens_placeholder),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "algebraic_law_commutativity_fail_suite",
-  claims: [Enumerated(claim_comm)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_algebraic_law_comm_fail.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(matches!(&results[0].result, ClaimResult::Fail(_)));
-}
-
-#[test]
-fn test_runner_algebraic_law_identity_passes_bounded_int_witness_for_add() {
-    let source = r#"
-module test.algebraic_law_identity_witness
-
-import std.verification { AlgebraicLaw, TestClaim, TestSuite }
-
-fn lens_placeholder(a: Int, b: Int) -> Int = a + b
-
-data claim_identity: TestClaim = {
-  name: "algebraic law identity",
-  source: "fn lens_placeholder(a: Int, b: Int) -> Int = a + b",
-  file_name: "algebraic_law_identity.v3",
-  predicate: AlgebraicLaw(Identity, lens_placeholder),
-  requires: []
-}
-
-data suite: TestSuite = {
-  name: "algebraic_law_identity_suite",
-  claims: [Enumerated(claim_identity)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_algebraic_law_identity.dag");
-    let results = TestRunner::new(&dag).run_suite("suite");
-
-    assert_eq!(results.len(), 1);
-    assert!(matches!(&results[0].result, ClaimResult::Pass));
-}
-
-#[test]
-fn test_runner_runs_r1_lane_e_suite() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let gate = manifest_dir.join("tests/fixtures/r1_gates.dag");
-    let source =
-        std::fs::read_to_string(&gate).unwrap_or_else(|err| panic!("read {gate:?}: {err}"));
-    let dag = compile_clean(&source, "src/v3/compiler/tests/fixtures/r1_gates.dag");
-    let results = TestRunner::new(&dag).run_suite("r1_lane_e_suite");
-    assert_eq!(results.len(), 3);
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_runs_sub_match_over_user_sum_gate() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let gate = manifest_dir.join("tests/fixtures/r1_gates.dag");
-    let source =
-        std::fs::read_to_string(&gate).unwrap_or_else(|err| panic!("read {gate:?}: {err}"));
-    let dag = compile_clean(&source, "src/v3/compiler/tests/fixtures/r1_gates.dag");
-    let results = TestRunner::new(&dag).run_suite("sub_match_over_user_sum_gate");
-
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_runs_sub_type_alias_where_lowers_gate() {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    let gate = manifest_dir.join("tests/fixtures/r1_gates.dag");
-    let source =
-        std::fs::read_to_string(&gate).unwrap_or_else(|err| panic!("read {gate:?}: {err}"));
-    let dag = compile_clean(&source, "src/v3/compiler/tests/fixtures/r1_gates.dag");
-    let results = TestRunner::new(&dag).run_suite("sub_type_alias_where_lowers_gate");
-
-    assert_all_pass(&results);
-}
-
-#[test]
-fn test_runner_runs_p0_repeat_string_correct_gate() {
-    crate::common::assert_p0_repeat_string_correct_gate_passes();
-}
-
-#[test]
-fn test_runner_runs_p0_host_sentinel_and_rest_gate() {
-    crate::common::assert_p0_host_sentinel_and_rest_gate_passes();
-}
-
-#[test]
-fn test_runner_quantified_suite_entry_forall_empty_generator_passes() {
-    // Gate #85: vacuous ForAll over an empty generator family passes (predicate never runs).
-    let source = r#"
-data smoke_generator_body: List<ProgramShape> = []
-
-data smoke_quantified_claim: QuantifiedTestClaim = {
-  name: "smoke_quantified_claim_name",
-  generator: { generator: smoke_generator_body },
-  quantifier: ForAll,
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_quantified: TestSuite = {
-  name: "runner_quantified_smoke",
-  claims: [Quantified(smoke_quantified_claim)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_quantified_forall_empty.dag");
-    let results = TestRunner::new(&dag).run_suite("suite_quantified");
-
-    assert_eq!(results.len(), 1);
-    let entry = &results[0];
-    assert_eq!(
-        entry.claim_name, "smoke_quantified_claim_name",
-        "claim_name must come from QuantifiedTestClaim.name (single-authority \
-         identity matching obligation_for_quantified_claim), got {entry:?}",
-    );
-    assert_eq!(
-        entry.result,
-        ClaimResult::Pass,
-        "vacuous ForAll must Pass, got {entry:?}",
-    );
-}
-
-#[test]
-fn test_runner_quantified_suite_entry_exists_empty_generator_fails() {
-    let source = r#"
-data smoke_generator_body: List<ProgramShape> = []
-
-data smoke_quantified_claim: QuantifiedTestClaim = {
-  name: "exists_empty",
-  generator: { generator: smoke_generator_body },
-  quantifier: Exists,
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_quantified: TestSuite = {
-  name: "runner_quantified_exists_empty",
-  claims: [Quantified(smoke_quantified_claim)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_quantified_exists_empty.dag");
-    let results = TestRunner::new(&dag).run_suite("suite_quantified");
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(results[0].result, ClaimResult::Fail(_)),
-        "Exists over empty family must Fail, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn test_runner_quantified_forall_single_compiles_passes() {
-    let source = r#"
-data gen_shapes: List<ProgramShape> = [
-  LiteralProgram { source: "let x: Int = 1", file_name: "qforall_one.v3" }
-]
-
-data q_claim: QuantifiedTestClaim = {
-  name: "q_forall_one",
-  generator: { generator: gen_shapes },
-  quantifier: ForAll,
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_q: TestSuite = {
-  name: "suite_quantified_forall_one",
-  claims: [Quantified(q_claim)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_quantified_forall_one.dag");
-    let results = TestRunner::new(&dag).run_suite("suite_q");
-    assert_eq!(results.len(), 1);
-    assert_eq!(results[0].result, ClaimResult::Pass, "{:?}", results[0]);
-}
-
-#[test]
-fn test_runner_quantified_exists_first_failure_second_success_passes() {
-    let source = r#"
-data gen_shapes: List<ProgramShape> = [
-  LiteralProgram { source: "let x: Bool = 1", file_name: "qexists_bad.v3" },
-  LiteralProgram { source: "let x: Int = 1", file_name: "qexists_good.v3" }
-]
-
-data q_claim: QuantifiedTestClaim = {
-  name: "q_exists_skip_fail",
-  generator: { generator: gen_shapes },
-  quantifier: Exists,
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_q: TestSuite = {
-  name: "suite_quantified_exists_skip_fail",
-  claims: [Quantified(q_claim)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_quantified_exists_skip_fail.dag");
-    let results = TestRunner::new(&dag).run_suite("suite_q");
-    assert_eq!(results.len(), 1);
-    assert_eq!(results[0].result, ClaimResult::Pass, "{:?}", results[0]);
-}
-
-#[test]
-fn test_runner_quantified_forall_first_failure_short_circuits() {
-    let source = r#"
-data gen_shapes: List<ProgramShape> = [
-  LiteralProgram { source: "let x: Bool = 1", file_name: "qforall_bad.v3" },
-  LiteralProgram { source: "let x: Int = 1", file_name: "qforall_good.v3" }
-]
-
-data q_claim: QuantifiedTestClaim = {
-  name: "q_forall_short",
-  generator: { generator: gen_shapes },
-  quantifier: ForAll,
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_q: TestSuite = {
-  name: "suite_quantified_forall_short",
-  claims: [Quantified(q_claim)]
-}
-"#;
-    let dag = compile_clean(source, "test_runner_quantified_forall_short.dag");
-    let results = TestRunner::new(&dag).run_suite("suite_q");
-    assert_eq!(results.len(), 1);
-    assert!(
-        matches!(results[0].result, ClaimResult::Fail(_)),
-        "ForAll must fail on first bad sample, got {:?}",
-        results[0].result
-    );
-}
-
-#[test]
-fn test_runner_quantified_generator_field_rejects_raw_list_declaration_ref() {
-    // Substrate authority: `QuantifiedTestClaim.generator` inhabits `ProgramGenerator`, not
-    // `List<ProgramShape>`. Typed `.dag` rejects assigning a list declaration ref directly.
-    let source = r#"
-data shapes: List<ProgramShape> = []
-
-data bad_claim: QuantifiedTestClaim = {
-  name: "bad",
-  generator: shapes,
-  quantifier: ForAll,
-  predicate: Compiles,
-  requires: []
-}
-
-data suite_bad: TestSuite = {
-  name: "suite_quantified_bad_generator",
-  claims: [Quantified(bad_claim)]
-}
-"#;
-    match cached_compile_outcome(source, "quantified_generator_list_ref_typefail.dag") {
-        CachedCompileOutcome::Semantic(dag) => {
-            let found_type_mismatch = dag
-                .diagnostics()
-                .iter()
-                .any(|(_, diag)| matches!(diag, Diagnostic::TypeMismatch { .. }));
-            assert!(
-                found_type_mismatch,
-                "`generator` must be ProgramGenerator-carrier-shaped; raw List ref should yield TypeMismatch, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-        }
-        CachedCompileOutcome::Clean(_) => {
-            panic!("QuantifiedTestClaim.generator: shapes should not type-check")
-        }
-    }
-}
-
-#[test]
-fn test_runner_quantified_suite_entry_fails_closed_on_wrong_shape() {
-    // Gate #85 fail-closed regression: a `Quantified(...)` payload pointing at
-    // a non-`QuantifiedTestClaim` declaration is rejected at the type-checker
-    // boundary (`TypeMismatch` on the variant argument) — the suite never
-    // reaches the runner. This is the stronger of the two fail-closed postures
-    // (ill-shaped quantified entries cannot compile at all); runner-side shape
-    // parsing handles residual synthetic DAG cases below the type-checker.
-    let source = r#"
-data not_quantified: Int = 7
-
-data suite_quantified_bad: TestSuite = {
-  name: "runner_quantified_bad_shape",
-  claims: [Quantified(not_quantified)]
-}
-"#;
-    match cached_compile_outcome(source, "test_runner_quantified_bad_shape.dag") {
-        CachedCompileOutcome::Semantic(dag) => {
-            let found_type_mismatch = dag
-                .diagnostics()
-                .iter()
-                .any(|(_, diag)| matches!(diag, Diagnostic::TypeMismatch { .. }));
-            assert!(
-                found_type_mismatch,
-                "ill-shaped `Quantified(Int)` must surface a TypeMismatch diagnostic, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            );
-        }
-        CachedCompileOutcome::Clean(_) => {
-            panic!("Quantified(Int) should not compile cleanly — TypeMismatch expected")
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/thesis_parallelism_test.rs b/src/v3/compiler/tests/integration/thesis_parallelism_test.rs
deleted file mode 100644
index 5a7568c1a8f..00000000000
--- a/src/v3/compiler/tests/integration/thesis_parallelism_test.rs
+++ /dev/null
@@ -1,305 +0,0 @@
-use std::collections::HashSet;
-
-use crate::common::cached_compile_to_dag;
-use v3_compiler::dag::{Behavior, Dag, PortId, TransformTarget};
-use v3_compiler::operators::{ArithmeticOp, OperatorKind};
-
-fn bind_named<'a>(dag: &'a Dag, name: &str) -> &'a v3_compiler::dag::BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-}
-
-fn anonymous_lambda_binds(dag: &Dag) -> Vec<&v3_compiler::dag::BindNode> {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .filter(|bind| bind.name.starts_with("__anon_lambda_"))
-        .collect()
-}
-
-fn behavior_inputs(dag: &Dag, behavior: &Behavior) -> Vec<PortId> {
-    match behavior {
-        Behavior::Value(_) => Vec::new(),
-        Behavior::Transform(t) => t.inputs.clone(),
-        Behavior::Branch(b) => {
-            let mut inputs = vec![b.input];
-            inputs.extend(b.paths.iter().map(|path| path.output));
-            inputs
-        }
-        Behavior::Loop(l) => {
-            let mut inputs = vec![l.source, l.init];
-            if let Some(count) = l.bound.count_port() {
-                inputs.push(count);
-            }
-            inputs.push(match dag.node(l.body) {
-                Behavior::Value(v) => v.output,
-                Behavior::Transform(t) => t.output,
-                Behavior::Branch(b) => b.output,
-                Behavior::Loop(inner) => inner.output,
-                Behavior::Bind(b) => b.value,
-            });
-            inputs
-        }
-        Behavior::Bind(b) => vec![b.value],
-    }
-}
-
-fn has_transitive_dependency(dag: &Dag, from_port: PortId, to_port: PortId) -> bool {
-    let mut seen: HashSet<PortId> = HashSet::new();
-    let mut queue = vec![from_port];
-    while let Some(port) = queue.pop() {
-        if !seen.insert(port) {
-            continue;
-        }
-        if port == to_port {
-            return true;
-        }
-        let Some(producer) = dag.port(port).produced_by else {
-            continue;
-        };
-        queue.extend(behavior_inputs(dag, dag.node(producer)));
-    }
-    false
-}
-
-#[test]
-fn parallel_independent_bindings_have_no_dependency() {
-    let dag = cached_compile_to_dag(
-        "\
-let a: Int = 1 + 2
-let b: Int = 3 + 4
-",
-        "parallel_independent_bindings.v3",
-    );
-    let a = bind_named(&dag, "a");
-    let b = bind_named(&dag, "b");
-
-    assert!(
-        !has_transitive_dependency(&dag, a.value, b.value),
-        "`a` should not depend on `b`"
-    );
-    assert!(
-        !has_transitive_dependency(&dag, b.value, a.value),
-        "`b` should not depend on `a`"
-    );
-}
-
-#[test]
-fn sequential_dependent_bindings_have_dependency() {
-    let dag = cached_compile_to_dag(
-        "\
-let a: Int = 1 + 2
-let b: Int = a + 3
-",
-        "parallel_dependent_bindings.v3",
-    );
-    let a = bind_named(&dag, "a");
-    let b = bind_named(&dag, "b");
-
-    assert!(
-        has_transitive_dependency(&dag, b.value, a.value),
-        "`b` should depend transitively on `a`"
-    );
-    assert!(
-        !has_transitive_dependency(&dag, a.value, b.value),
-        "`a` should not depend on `b`"
-    );
-}
-
-#[test]
-fn transitive_dependencies_are_detected_across_multiple_steps() {
-    let dag = cached_compile_to_dag(
-        "\
-let a: Int = 1
-let b: Int = a + 1
-let c: Int = b + 1
-",
-        "parallel_transitive_bindings.v3",
-    );
-    let a = bind_named(&dag, "a");
-    let b = bind_named(&dag, "b");
-    let c = bind_named(&dag, "c");
-
-    assert!(
-        has_transitive_dependency(&dag, c.value, b.value),
-        "`c` should depend directly on `b`"
-    );
-    assert!(
-        has_transitive_dependency(&dag, c.value, a.value),
-        "`c` should depend transitively on `a`"
-    );
-    assert!(
-        !has_transitive_dependency(&dag, a.value, c.value),
-        "`a` should not depend on `c`"
-    );
-}
-
-#[test]
-fn diamond_dependencies_preserve_shared_parent_without_serializing_siblings() {
-    let dag = cached_compile_to_dag(
-        "\
-let a: Int = 1
-let b: Int = a + 1
-let c: Int = a + 2
-let d: Int = b + c
-",
-        "parallel_diamond_bindings.v3",
-    );
-    let a = bind_named(&dag, "a");
-    let b = bind_named(&dag, "b");
-    let c = bind_named(&dag, "c");
-    let d = bind_named(&dag, "d");
-
-    assert!(
-        !has_transitive_dependency(&dag, b.value, c.value),
-        "`b` should not depend on sibling branch `c`"
-    );
-    assert!(
-        !has_transitive_dependency(&dag, c.value, b.value),
-        "`c` should not depend on sibling branch `b`"
-    );
-    assert!(
-        has_transitive_dependency(&dag, b.value, a.value),
-        "`b` should depend on shared parent `a`"
-    );
-    assert!(
-        has_transitive_dependency(&dag, c.value, a.value),
-        "`c` should depend on shared parent `a`"
-    );
-    assert!(
-        has_transitive_dependency(&dag, d.value, b.value)
-            && has_transitive_dependency(&dag, d.value, c.value),
-        "`d` should depend on both diamond branches"
-    );
-}
-
-#[test]
-fn parallel_map_elements_are_independent() {
-    let dag = cached_compile_to_dag(
-        "let ys = map(singleton(1), |x| x + 1)",
-        "parallel_map_elements.v3",
-    );
-    let lambda = anonymous_lambda_binds(&dag)
-        .into_iter()
-        .next()
-        .expect("map should lower one anonymous lambda bind");
-    let ys = bind_named(&dag, "ys");
-    let element_param = *lambda
-        .params
-        .last()
-        .expect("map lambda should expose one element parameter");
-
-    assert_eq!(
-        lambda.params.len(),
-        1,
-        "map lambda should not carry an accumulator or prior-iteration input"
-    );
-    assert!(
-        has_transitive_dependency(&dag, lambda.value, element_param),
-        "map lambda body should depend on its current element"
-    );
-    assert!(
-        !has_transitive_dependency(&dag, ys.value, lambda.value),
-        "mapped result should not feed back into the per-element lambda body"
-    );
-}
-
-#[test]
-fn sequential_fold_accumulator_chains_iterations() {
-    let dag = cached_compile_to_dag(
-        "let total: Int = fold(singleton(1), 0, |acc, x| acc + x)",
-        "sequential_fold_accumulator.v3",
-    );
-    let lambda = anonymous_lambda_binds(&dag)
-        .into_iter()
-        .next()
-        .expect("fold should lower one anonymous lambda bind");
-    let acc_param = lambda.params[lambda.params.len() - 2];
-    let elem_param = lambda.params[lambda.params.len() - 1];
-
-    assert!(
-        lambda.params.len() >= 2,
-        "fold lambda should expose accumulator and element parameters"
-    );
-    assert!(
-        has_transitive_dependency(&dag, lambda.value, acc_param),
-        "fold lambda body should depend on the previous accumulator value"
-    );
-    assert!(
-        has_transitive_dependency(&dag, lambda.value, elem_param),
-        "fold lambda body should also depend on the current element"
-    );
-}
-
-#[test]
-fn fold_body_can_contain_accumulator_independent_subgraphs() {
-    let dag = cached_compile_to_dag(
-        "let total: Int = fold(singleton(1), 0, |acc, x| acc + x * x)",
-        "fold_acc_independent_subgraph.v3",
-    );
-    let lambda = anonymous_lambda_binds(&dag)
-        .into_iter()
-        .next()
-        .expect("fold should lower one anonymous lambda bind");
-    let acc_param = lambda.params[lambda.params.len() - 2];
-    let elem_param = lambda.params[lambda.params.len() - 1];
-    let mul_output = dag
-        .nodes()
-        .iter()
-        .filter_map(Behavior::as_transform)
-        .find(|transform| {
-            matches!(
-                transform.target,
-                TransformTarget::Operator(OperatorKind::Arithmetic(ArithmeticOp::Mul))
-            ) && has_transitive_dependency(&dag, lambda.value, transform.output)
-        })
-        .map(|transform| transform.output)
-        .expect("expected a multiplication subgraph inside the fold body");
-
-    assert!(
-        has_transitive_dependency(&dag, mul_output, elem_param),
-        "the x * x subgraph should depend on the current element"
-    );
-    assert!(
-        !has_transitive_dependency(&dag, mul_output, acc_param),
-        "the x * x subgraph should not depend on the accumulator"
-    );
-}
-
-#[test]
-fn independent_function_calls_stay_independent_across_bindings() {
-    let dag = cached_compile_to_dag(
-        "\
-fn f(x: Int) -> Int = x + 1
-fn g(x: Int) -> Int = x + 2
-let a: Int = f(1)
-let b: Int = g(2)
-",
-        "parallel_cross_function_bindings.v3",
-    );
-    let a = bind_named(&dag, "a");
-    let b = bind_named(&dag, "b");
-
-    assert!(
-        !has_transitive_dependency(&dag, a.value, b.value),
-        "`a` should stay independent from `b` across function boundaries"
-    );
-    assert!(
-        !has_transitive_dependency(&dag, b.value, a.value),
-        "`b` should stay independent from `a` across function boundaries"
-    );
-}
-
-#[test]
-#[ignore = "blocked on L2 M1 algebra awareness for commutative-monoid reduction"]
-fn parallel_fold_on_commutative_monoid_is_reducible() {
-    let dag = cached_compile_to_dag(
-        "let total: Int = fold(cons(1, cons(2, singleton(3))), 0, |acc, x| acc + x)",
-        "parallel_fold_commutative_monoid.v3",
-    );
-    let _ = dag;
-    panic!("blocked on algebra-aware reduction planning");
-}
diff --git a/src/v3/compiler/tests/integration/thesis_validation_test.rs b/src/v3/compiler/tests/integration/thesis_validation_test.rs
deleted file mode 100644
index 70bb5d1283c..00000000000
--- a/src/v3/compiler/tests/integration/thesis_validation_test.rs
+++ /dev/null
@@ -1,658 +0,0 @@
-// Thesis validation fixtures for the claims that are testable on the
-// current v3 compiler, independent of the reflection work tracked in
-// `swift-ram-158`.
-//
-// The goal of this file is traceability: each test name starts with
-// the claim id from `docs/thesis-validation-plan.md` so the plan can
-// point at concrete regression coverage.
-
-use v3_compiler::dag::{Behavior, Dag, PortState, TransformTarget};
-use v3_compiler::diagnostics::{render_diagnostic_for_target, Correction, DiagnosticStyleTarget};
-use v3_compiler::lens_cost::cost_of;
-
-use crate::common::{
-    cached_compile_any, cached_compile_outcome, cached_compile_to_dag, CachedCompileOutcome,
-};
-use v3_compiler::types::TypeShape;
-use v3_compiler::Diagnostic;
-
-fn compile_any(src: &str, file: &str) -> Dag {
-    cached_compile_any(src, file)
-}
-
-fn compile_semantic_fixture(src: &str, file: &str) -> Dag {
-    match cached_compile_outcome(src, file) {
-        CachedCompileOutcome::Semantic(dag) => dag,
-        other => panic!("expected semantic failure for {file}, got {other:?}"),
-    }
-}
-
-// Tests are allowed to name declarations directly so the expected
-// shapes remain legible. This is test-only infrastructure, not a
-// precedent for emitter dispatch, which is separately gated against
-// name-string lookups.
-fn primitive_shape(dag: &Dag, name: &str) -> TypeShape {
-    TypeShape::new(
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("primitive `{name}` missing from bootstrap"))
-            .id,
-    )
-}
-
-fn bind_named<'a>(dag: &'a Dag, name: &str) -> &'a v3_compiler::dag::BindNode {
-    dag.nodes()
-        .iter()
-        .filter_map(Behavior::as_bind)
-        .find(|bind| bind.name == name)
-        .unwrap_or_else(|| panic!("bind `{name}` not found"))
-}
-
-fn bind_cost(dag: &Dag, name: &str) -> usize {
-    let port = bind_named(dag, name).value;
-    crate::common::require_fixture_cost_usize(cost_of(dag, &port), &format!("bind `{name}`"))
-}
-
-fn rendered_rust_diagnostic(dag: &Dag, diagnostic: &Diagnostic) -> String {
-    render_diagnostic_for_target(dag, DiagnosticStyleTarget::Rust, diagnostic).expect("render")
-}
-
-#[test]
-fn t1_1_field_rename_propagates_to_lowered_field_projection() {
-    // The full "rename a record field and re-emit Rust" path is
-    // blocked today by the current emitter surface area. This fixture
-    // pins the fact the emitter consumes: field access lowering carries
-    // the declaration-derived label, not a compiler-side hardcoded
-    // string.
-    let src = "\
-type Box<T> { renamed: T }
-fn read(boxed: Box<Int>) -> Int = boxed.renamed
-";
-    let dag = cached_compile_to_dag(src, "t1_1_field_rename.v3");
-    let bind = bind_named(&dag, "read");
-
-    let projection = match dag.node(
-        dag.port(bind.value)
-            .produced_by
-            .expect("Bind(read).value has a producer"),
-    ) {
-        Behavior::Transform(transform) => transform,
-        other => panic!("expected field projection Transform, got {other:?}"),
-    };
-    match &projection.target {
-        TransformTarget::ResolvedFieldProject { .. } => {}
-        other => panic!("expected FieldProject target, got {other:?}"),
-    }
-}
-
-#[test]
-fn t1_2_nonexistent_field_diagnostic_names_the_missing_field() {
-    let src = "\
-type Point { a: Int b: Int }
-fn read(point: Point) -> Int = point.c
-";
-    let dag = compile_semantic_fixture(src, "t1_2_missing_field.v3");
-    let bind = bind_named(&dag, "read");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Unresolved),
-        "missing-field access must fail closed at the bind output; got {:?}",
-        dag.port(bind.value).state()
-    );
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. } if name.contains("field `c` does not exist") => {
-                Some(diag)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected missing-field diagnostic naming `c`, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    assert!(
-        matches!(diag.correction(), Correction::DeferredCorrection { .. }),
-        "ambiguous missing-field diagnostic should carry an explicit deferral, got {:?}",
-        diag.correction()
-    );
-    let rendered = rendered_rust_diagnostic(&dag, diag);
-    assert!(
-        !rendered.contains("FIX:"),
-        "ambiguous missing-field diagnostic should not render an arbitrary FIX line, got {rendered}"
-    );
-    assert!(
-        rendered.contains("DEFERRED CORRECTION:")
-            && rendered.contains("multiple valid replacements")
-            && rendered.contains("a")
-            && rendered.contains("b"),
-        "ambiguous missing-field diagnostic should surface concrete alternatives without marking them applyable, got {rendered}"
-    );
-    assert!(
-        !rendered.contains("\n    \"a\";") && !rendered.contains("\n    \"b\";"),
-        "ambiguous missing-field diagnostic should not choose between fields, got {rendered}"
-    );
-}
-
-#[test]
-fn t1_2_chained_missing_field_fix_targets_the_missing_segment() {
-    let src = "\
-type Inner { leaf: Int }
-type Outer { ok: Inner }
-fn read(x: Outer) -> Int = x.bad.leaf
-";
-    let bad_start = src.find("bad").expect("fixture contains missing field") as u32;
-    let dag = compile_semantic_fixture(src, "t1_2_chained_missing_field.v3");
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("field `bad` does not exist") =>
-            {
-                Some(diag)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected chained missing-field diagnostic, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    let fix = diag.correction();
-    assert_eq!(
-        fix.new_source(),
-        Some("ok"),
-        "missing-field fix should suggest `ok`"
-    );
-    let span = fix.span().expect("missing-field fix should be live");
-    assert_eq!(span.byte_start, bad_start);
-    assert_eq!(span.byte_end, bad_start + "bad".len() as u32);
-}
-
-#[test]
-fn t1_3_non_exhaustive_match_diagnostic_names_the_missing_variant() {
-    let src = "\
-type AB = A | B
-fn read(x: AB) -> Int = match x { A => 1 }
-";
-    let dag = compile_semantic_fixture(src, "t1_3_non_exhaustive.v3");
-    let bind = bind_named(&dag, "read");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Unresolved),
-        "non-exhaustive match must fail closed at the bind output; got {:?}",
-        dag.port(bind.value).state()
-    );
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("non-exhaustive match") && name.contains("`B`") =>
-            {
-                Some(diag)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected non-exhaustive match diagnostic naming `B`, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    assert!(
-        diag.correction().description().contains("`B`"),
-        "non-exhaustive match diagnostic should suggest the missing `B` arm"
-    );
-}
-
-#[test]
-fn t1_3_empty_match_correction_seeds_first_arm_without_leading_comma() {
-    let src = "\
-type AB = A | B
-fn read(x: AB) -> Int = match x {}
-";
-    let dag = compile_semantic_fixture(src, "t1_3_empty_match.v3");
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. } if name.contains("non-exhaustive match") => {
-                Some(diag)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected non-exhaustive match diagnostic, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    assert!(
-        diag.correction()
-            .new_source()
-            .is_some_and(|new_source| !new_source.starts_with(", ") && new_source == "A => 1"),
-        "empty match fix should seed a valid first arm, got {:?}",
-        diag.correction()
-    );
-}
-
-#[test]
-fn t1_3_exhaustive_match_compiles_cleanly() {
-    let src = "\
-type AB = A | B
-fn read(x: AB) -> Int = match x { A => 1, B => 2 }
-";
-    let dag = cached_compile_to_dag(src, "t1_3_exhaustive.v3");
-    assert!(
-        dag.diagnostics().is_empty(),
-        "no diagnostics expected for exhaustive match, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-#[test]
-fn t1_4_type_mismatch_produces_a_typemismatch_diagnostic() {
-    let dag = compile_semantic_fixture("let x: Bool = 1", "t1_4_type_mismatch.v3");
-    let bind = bind_named(&dag, "x");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Unresolved),
-        "type mismatch must fail closed"
-    );
-
-    let diag = dag
-        .diagnostics()
-        .get(bind.value)
-        .expect("diagnostic recorded for mismatched value");
-    match diag {
-        Diagnostic::TypeMismatch {
-            expected,
-            actual,
-            correction,
-            ..
-        } => {
-            assert_eq!(*expected, primitive_shape(&dag, "Bool"));
-            assert_eq!(*actual, primitive_shape(&dag, "Int"));
-            assert!(
-                matches!(
-                    correction,
-                    v3_compiler::diagnostics::Correction::LiveCorrection { .. }
-                ),
-                "type mismatch diagnostic should carry a live correction"
-            );
-        }
-        other => panic!("expected TypeMismatch, got {other:?}"),
-    }
-}
-
-#[test]
-fn t1_4_type_mismatch_does_not_cascade_fabricated_diagnostics() {
-    let dag = compile_any("let x: Bool = 1\nlet y: Int = 2", "t1_4_no_cascade.v3");
-    let bind = bind_named(&dag, "y");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Resolved(_)),
-        "well-typed binding after an unrelated type error should still resolve; got {:?}",
-        dag.port(bind.value).state()
-    );
-    assert!(
-        !dag.diagnostics().contains(bind.value),
-        "well-typed downstream binding should not receive a fabricated diagnostic"
-    );
-}
-
-#[test]
-fn t1_4_named_payload_sum_fix_renders_supported_constructor_syntax() {
-    let src = "\
-type MaybeInt = Some { value: Int } | None
-let x: MaybeInt = true
-";
-    let dag = compile_semantic_fixture(src, "t1_4_named_payload_sum_fix.v3");
-    let bind = bind_named(&dag, "x");
-    let diag = dag
-        .diagnostics()
-        .get(bind.value)
-        .expect("diagnostic recorded for mismatched sum value");
-    let Diagnostic::TypeMismatch { correction, .. } = diag else {
-        panic!("expected TypeMismatch, got {diag:?}");
-    };
-    let rendered = rendered_rust_diagnostic(&dag, diag);
-    assert!(
-        rendered.contains("\n    \"Some(1)\";"),
-        "rendered diagnostic should show the supported positional constructor syntax, got {rendered}"
-    );
-    assert_eq!(correction.new_source(), Some("Some(1)"));
-}
-
-#[test]
-fn t1_4_refined_declarations_do_not_get_shape_only_fix_witnesses() {
-    let src = "\
-fn div(n: Int, d: Int where d != 0) -> Int = n
-fn bad() -> Int = div(1, nope)
-";
-    let dag = compile_semantic_fixture(src, "t1_4_refined_no_fix_witness.v3");
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. } if name == "nope" => Some(diag),
-            _ => None,
-        })
-        .expect("diagnostic recorded for unresolved name in refined argument position");
-    let Diagnostic::ResolveError { correction, .. } = diag else {
-        panic!("expected ResolveError, got {diag:?}");
-    };
-    assert!(
-        matches!(
-            correction,
-            v3_compiler::diagnostics::Correction::DeferredCorrection { .. }
-        ),
-        "refined declarations must fail closed instead of emitting a base-shape witness; got {correction:?}"
-    );
-}
-
-#[test]
-fn t1_5_numeric_descent_is_accepted() {
-    let src = "\
-fn countdown(n: Int) -> Int =
-  if n == 0 then 0 else countdown(n - 1)
-";
-    let dag = cached_compile_to_dag(src, "t1_5_numeric_descent.v3");
-    let bind = bind_named(&dag, "countdown");
-
-    assert!(
-        matches!(
-            dag.node(
-                dag.port(bind.value)
-                    .produced_by
-                    .expect("recursive fn body has a producer")
-            ),
-            Behavior::Loop(_)
-        ),
-        "descent-provable recursion should lower to Loop"
-    );
-}
-
-#[test]
-fn t1_5_structural_list_descent_is_accepted() {
-    let src = "\
-fn count(list: List<Int>) -> Int =
-  match list { Empty => 0, Cons(p) => 1 + count(p.tail) }
-";
-    cached_compile_to_dag(src, "t1_5_list_descent.v3");
-}
-
-#[test]
-fn t1_5_missing_descent_is_rejected() {
-    let dag = compile_semantic_fixture(
-        "fn diverge(x: Int) -> Int = diverge(x)",
-        "t1_5_no_descent.v3",
-    );
-    let bind = bind_named(&dag, "diverge");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Unresolved),
-        "non-decreasing recursion must fail closed"
-    );
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("cannot prove recursion in `diverge` terminates") =>
-            {
-                Some(diag)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected descent-proof diagnostic, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    assert!(
-        !diag.correction().description().is_empty(),
-        "termination diagnostic should carry a named correction"
-    );
-}
-
-#[test]
-fn t2_4_option_like_values_require_a_match() {
-    let src = "\
-type Maybe<T> = Some(T) | None
-fn unwrap_or_zero(m: Maybe<Int>) -> Int = match m { Some(value) => value, None => 0 }
-";
-    cached_compile_to_dag(src, "t2_4_match_required.v3");
-}
-
-#[test]
-fn t2_4_option_like_values_without_match_are_rejected() {
-    let src = "\
-type Maybe<T> = Some(T) | None
-fn bad(m: Maybe<Int>) -> Int = m
-";
-    let dag = compile_semantic_fixture(src, "t2_4_missing_match.v3");
-    let bind = bind_named(&dag, "bad");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Unresolved),
-        "using an option-like value without matching must fail closed"
-    );
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. } if name.contains("declared signature") => {
-                Some(diag)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected a declared-signature diagnostic, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    assert!(
-        !diag.correction().description().is_empty(),
-        "declared-signature diagnostic should carry a named correction"
-    );
-}
-
-#[test]
-fn t2_4_no_force_unwrap_primitive_exists() {
-    let src = "\
-type Maybe<T> = Some(T) | None
-fn bad(m: Maybe<Int>) -> Int = unwrap(m)
-";
-    let dag = compile_semantic_fixture(src, "t2_4_no_unwrap.v3");
-    let bind = bind_named(&dag, "bad");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Unresolved),
-        "unknown unwrap primitive must fail closed"
-    );
-    let diag = dag
-        .diagnostics()
-        .iter()
-        .find_map(|(_, diag)| match diag {
-            Diagnostic::ResolveError { name, .. } if name == "unwrap" => Some(diag),
-            _ => None,
-        })
-        .unwrap_or_else(|| {
-            panic!(
-                "expected unresolved callable diagnostic for `unwrap`, got {:?}",
-                dag.diagnostics().iter().collect::<Vec<_>>()
-            )
-        });
-    assert!(
-        !diag.correction().description().is_empty(),
-        "unresolved callable diagnostic should carry a named correction"
-    );
-}
-
-#[test]
-fn t2_4_unresolved_calls_still_lower_argument_diagnostics() {
-    let src = "\
-type Maybe<T> = Some(T) | None
-fn bad(m: Maybe<Int>) -> Int = unknown(unwrap(m))
-";
-    let dag = compile_semantic_fixture(src, "t2_4_unresolved_call_keeps_arg_diags.v3");
-    let diagnostics = dag.diagnostics().iter().map(|(_, d)| d).collect::<Vec<_>>();
-    assert!(
-        diagnostics
-            .iter()
-            .any(|diag| matches!(diag, Diagnostic::ResolveError { name, .. } if name == "unknown")),
-        "outer unresolved call diagnostic should be preserved; got {diagnostics:?}"
-    );
-    assert!(
-        diagnostics
-            .iter()
-            .any(|diag| matches!(diag, Diagnostic::ResolveError { name, .. } if name == "unwrap")),
-        "argument diagnostics must still lower under unresolved calls; got {diagnostics:?}"
-    );
-}
-
-#[test]
-fn kf_5_bounded_fold_compiles_on_supported_primitives() {
-    let src = "\
-let total: Int = fold(cons(1, cons(2, singleton(3))), 0, |acc, x| acc + x)
-";
-    cached_compile_to_dag(src, "kf_5_fold.v3");
-}
-
-#[test]
-fn kf_5_unbounded_zero_arg_recursion_is_rejected() {
-    let dag = compile_semantic_fixture("fn endless() -> Int = endless()", "kf_5_unbounded.v3");
-    let bind = bind_named(&dag, "endless");
-    assert!(
-        matches!(dag.port(bind.value).state(), PortState::Unresolved),
-        "zero-arg recursion must fail closed"
-    );
-    assert!(
-        dag.diagnostics().iter().any(|(_, diag)| matches!(
-            diag,
-            Diagnostic::ResolveError { name, .. }
-                if name.contains("recursive but has no parameters")
-        )),
-        "expected zero-arg recursion diagnostic, got {:?}",
-        dag.diagnostics().iter().collect::<Vec<_>>()
-    );
-}
-
-#[test]
-fn lens_cost_nested_program_counts_more_structure_than_flat_program() {
-    let flat = cached_compile_to_dag(
-        "let total: Int = fold(singleton(1), 0, |acc, x| acc + x)",
-        "lens_cost_flat.v3",
-    );
-    let nested = cached_compile_to_dag(
-        "let total: Int = fold(map(singleton(1), |x| x + 1), 0, |acc, x| acc + x)",
-        "lens_cost_nested.v3",
-    );
-
-    let flat_cost = bind_cost(&flat, "total");
-    let nested_cost = bind_cost(&nested, "total");
-
-    assert!(
-        flat_cost > 0,
-        "flat program should still carry non-zero structural cost: {flat_cost}"
-    );
-    assert!(
-        nested_cost > flat_cost,
-        "nested program should cost more structurally: flat={flat_cost}, nested={nested_cost}"
-    );
-}
-
-#[test]
-fn t1_5_4_structural_recursive_loop_cost_exceeds_literal_body_cost() {
-    let literal =
-        cached_compile_to_dag("fn constant(n: Int) -> Int = 0", "lens_cost_literal_fn.v3");
-    let recursive = cached_compile_to_dag(
-        "\
-fn countdown(n: Int) -> Int =
-  if n == 0 then 0 else countdown(n - 1)
-",
-        "lens_cost_recursive_fn.v3",
-    );
-
-    let literal_cost = bind_cost(&literal, "constant");
-    let recursive_cost = bind_cost(&recursive, "countdown");
-
-    assert_eq!(literal_cost, 0, "literal function body should be a leaf");
-    assert!(
-        recursive_cost > literal_cost,
-        "recursive loop lowering should add structural cost: literal={literal_cost}, recursive={recursive_cost}"
-    );
-}
-
-#[test]
-fn t1_5_4_branch_cost_tracks_the_most_expensive_path() {
-    let cheaper = cached_compile_to_dag(
-        "let r: Int = if 1 > 0 then 20 + 30 else 40 + 50 + 60",
-        "lens_cost_branch_cheaper.v3",
-    );
-    let pricier = cached_compile_to_dag(
-        "let r: Int = if 1 > 0 then 20 + 30 + 40 + 50 else 60 + 70 + 80",
-        "lens_cost_branch_pricier.v3",
-    );
-
-    let cheaper_cost = bind_cost(&cheaper, "r");
-    let pricier_cost = bind_cost(&pricier, "r");
-
-    assert!(
-        pricier_cost > cheaper_cost,
-        "making the most expensive branch path larger should increase branch cost: cheaper={cheaper_cost}, pricier={pricier_cost}"
-    );
-}
-
-#[test]
-fn kf_1_structural_list_operation_ordering_holds() {
-    let singleton = cached_compile_to_dag("let xs = singleton(1)", "lens_cost_singleton.v3");
-    let cons = cached_compile_to_dag("let xs = cons(1, singleton(2))", "lens_cost_cons.v3");
-    let fold = cached_compile_to_dag(
-        "let total: Int = fold(cons(1, singleton(2)), 0, |acc, x| acc + x)",
-        "lens_cost_fold.v3",
-    );
-    let map_fold = cached_compile_to_dag(
-        "let total: Int = fold(map(cons(1, singleton(2)), |x| x + 1), 0, |acc, x| acc + x)",
-        "lens_cost_map_fold.v3",
-    );
-
-    let singleton_cost = bind_cost(&singleton, "xs");
-    let cons_cost = bind_cost(&cons, "xs");
-    let fold_cost = bind_cost(&fold, "total");
-    let map_fold_cost = bind_cost(&map_fold, "total");
-
-    assert!(
-        singleton_cost < cons_cost,
-        "cons should cost more structurally than singleton: singleton={singleton_cost}, cons={cons_cost}"
-    );
-    assert!(
-        cons_cost < fold_cost,
-        "fold should cost more structurally than cons: cons={cons_cost}, fold={fold_cost}"
-    );
-    assert!(
-        fold_cost < map_fold_cost,
-        "map+fold should cost more structurally than fold: fold={fold_cost}, map_fold={map_fold_cost}"
-    );
-}
-
-#[test]
-fn kf_1_non_max_branch_work_does_not_change_cost() {
-    let baseline = cached_compile_to_dag(
-        "let r: Int = if 1 > 0 then 10 + 20 + 30 + 40 + 50 else 60 + 70",
-        "lens_cost_branch_baseline.v3",
-    );
-    let extra_dead_work = cached_compile_to_dag(
-        "let r: Int = if 1 > 0 then 10 + 20 + 30 + 40 + 50 else 60 + 70 + 80",
-        "lens_cost_branch_dead_work.v3",
-    );
-
-    let baseline_cost = bind_cost(&baseline, "r");
-    let extra_dead_work_cost = bind_cost(&extra_dead_work, "r");
-
-    assert!(
-        extra_dead_work_cost == baseline_cost,
-        "growing only the non-max branch path should not change cost: baseline={baseline_cost}, extra_dead_work={extra_dead_work_cost}"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/timing_lens_substrate_carrier_test.rs b/src/v3/compiler/tests/integration/timing_lens_substrate_carrier_test.rs
deleted file mode 100644
index 905e3279553..00000000000
--- a/src/v3/compiler/tests/integration/timing_lens_substrate_carrier_test.rs
+++ /dev/null
@@ -1,692 +0,0 @@
-//! **Layer:** integration
-//!
-//! Structural acceptance for T-Workflow-As-Data Slice 2 timing-lens substrate
-//! (gunbc#1955): `TimingMeasurement`, `TimingObservationSet`,
-//! `WorkflowObservationAnchor`, `TimingBudget`, and nominal `TimingLens` (`Lens<TimingMeasurement>`)
-//! in `src/v3/std/timing_lens.dag`.
-
-use std::collections::HashSet;
-
-use v3_compiler::dag::{Dag, DeclarationId, FieldValue, TypeConnective, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-fn disj_variant_ty(dag: &Dag, name: &str, variant: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => {
-            variants
-                .iter()
-                .find(|v| v.label == variant)
-                .unwrap_or_else(|| panic!("`{name}` missing `{variant}` variant"))
-                .ty
-        }
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-fn conj_field_ty(dag: &Dag, name: &str, field: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => {
-            children
-                .iter()
-                .find(|f| f.label == field)
-                .unwrap_or_else(|| panic!("`{name}` missing `{field}` field"))
-                .ty
-        }
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn data_field<'a>(dag: &'a Dag, data_name: &str, field: &str) -> &'a FieldValue {
-    let decl = dag
-        .declaration_by_name(data_name)
-        .unwrap_or_else(|| panic!("`{data_name}` missing from full bootstrap"));
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        panic!(
-            "`{data_name}` must lower to a structural data body, got {:?}",
-            decl.value_body
-        );
-    };
-    fields
-        .iter()
-        .find(|(label, _)| label == field)
-        .map(|(_, value)| value)
-        .unwrap_or_else(|| panic!("`{data_name}` missing `{field}` field"))
-}
-
-#[test]
-fn timing_measurement_variants_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let variants: HashSet<String> = disj_variant_labels(&dag, "TimingMeasurement")
-        .into_iter()
-        .collect();
-    let expected: HashSet<&str> = ["Observed", "Unobserved", "Ambiguous", "Stale"]
-        .into_iter()
-        .collect();
-    let actual: HashSet<&str> = variants.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "TimingMeasurement coproduct drifted from T-WAD timing-lens substrate receipt"
-    );
-}
-
-/// P3 / bootstrap-cleanliness receipt: a `Missing` **variant label** on this
-/// coproduct collides with other std `Missing`-shaped names and has produced
-/// `ResolveError` at `Inhabits(Missing)` witness sites. The substrate uses
-/// `Unobserved` instead (see `timing_lens.dag` banner + PR #2360 discussion).
-#[test]
-fn timing_measurement_excludes_missing_variant_label() {
-    let dag = generated_full_bootstrap_dag();
-    let variants: HashSet<String> = disj_variant_labels(&dag, "TimingMeasurement")
-        .into_iter()
-        .collect();
-    assert!(
-        !variants.contains("Missing"),
-        "`TimingMeasurement` must not declare a `Missing` variant label (witness/bootstrap collision); got {variants:?}"
-    );
-}
-
-#[test]
-fn timing_observation_set_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "TimingObservationSet")
-        .into_iter()
-        .collect();
-    let expected: HashSet<&str> = ["observations"].into_iter().collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(actual, expected, "TimingObservationSet field set drifted");
-}
-
-#[test]
-fn timing_observation_entry_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut labels: Vec<String> = conj_field_labels(&dag, "TimingObservationEntry");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec!["anchor".to_string(), "measurement".to_string()],
-        "TimingObservationEntry field set drifted"
-    );
-}
-
-/// P2 single-authority (openai-pro / PR #2360): field *names* are not enough —
-/// `anchor` × `measurement` must be the structural product that prevents
-/// provenance/payload drift (`TimingObservationEntry` in `timing_lens.dag`).
-#[test]
-fn timing_observation_entry_field_types_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let anchor = dag
-        .declaration_by_name("WorkflowObservationAnchor")
-        .expect("`WorkflowObservationAnchor` missing from full bootstrap")
-        .id;
-    let measurement = dag
-        .declaration_by_name("TimingMeasurement")
-        .expect("`TimingMeasurement` missing from full bootstrap")
-        .id;
-    assert_eq!(
-        conj_field_ty(&dag, "TimingObservationEntry", "anchor"),
-        anchor,
-        "`TimingObservationEntry.anchor` must be `WorkflowObservationAnchor`"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "TimingObservationEntry", "measurement"),
-        measurement,
-        "`TimingObservationEntry.measurement` must be `TimingMeasurement`"
-    );
-}
-
-#[test]
-fn workflow_observation_anchor_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut labels: Vec<String> = conj_field_labels(&dag, "WorkflowObservationAnchor");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec![
-            "artifact_digest".to_string(),
-            "attached_at_ns".to_string(),
-            "observer_id".to_string(),
-            "producer_id".to_string(),
-            "prover_id".to_string(),
-            "subject_node".to_string(),
-            "workflow_run_id".to_string(),
-        ],
-        "WorkflowObservationAnchor field set drifted"
-    );
-}
-
-#[test]
-fn nanoseconds_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "Nanoseconds").into_iter().collect();
-    let expected: HashSet<&str> = ["count"].into_iter().collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(actual, expected, "Nanoseconds field set drifted");
-}
-
-/// P2 / M9: timing magnitudes must not use bare `Int` (negative / unitless-by-construction).
-#[test]
-fn nanoseconds_count_field_is_nat() {
-    let dag = generated_full_bootstrap_dag();
-    let nat = dag
-        .declaration_by_name("Nat")
-        .expect("`Nat` missing from full bootstrap (std.nat authority)")
-        .id;
-    let count_ty = conj_field_ty(&dag, "Nanoseconds", "count");
-    assert_eq!(
-        count_ty, nat,
-        "`Nanoseconds.count` must refine to `Nat`, matching `PerfBaselineMeasurement` ns fields in substrate"
-    );
-}
-
-/// P2 / gate #55 inv.3–4: provenance roles and run key use distinct branded
-/// `std.types` nominals, not bare `String`.
-#[test]
-fn workflow_observation_anchor_provenance_ids_are_branded() {
-    let dag = generated_full_bootstrap_dag();
-    let producer = dag
-        .declaration_by_name("WorkflowProducerId")
-        .expect("`WorkflowProducerId` missing from full bootstrap")
-        .id;
-    let observer = dag
-        .declaration_by_name("WorkflowObserverId")
-        .expect("`WorkflowObserverId` missing from full bootstrap")
-        .id;
-    let prover = dag
-        .declaration_by_name("WorkflowProverId")
-        .expect("`WorkflowProverId` missing from full bootstrap")
-        .id;
-    let run = dag
-        .declaration_by_name("WorkflowRunId")
-        .expect("`WorkflowRunId` missing from full bootstrap")
-        .id;
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "producer_id"),
-        producer
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "observer_id"),
-        observer
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "prover_id"),
-        prover
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "workflow_run_id"),
-        run
-    );
-}
-
-/// P2 / gate #55 inv.2: artifact digest must be `ContentHash`, not bare `String`
-/// (M9 content-addressed nominal vs free-form text).
-#[test]
-fn workflow_observation_anchor_artifact_digest_is_content_hash() {
-    let dag = generated_full_bootstrap_dag();
-    let content_hash = dag
-        .declaration_by_name("ContentHash")
-        .expect("`ContentHash` missing from full bootstrap (std.types authority)")
-        .id;
-    let ty = conj_field_ty(&dag, "WorkflowObservationAnchor", "artifact_digest");
-    assert_eq!(
-        ty, content_hash,
-        "`WorkflowObservationAnchor.artifact_digest` must be `ContentHash`, not `String`"
-    );
-}
-
-/// P2 / gate #55 inv.1: subject key must be structural (`NodeId`), not free-form
-/// `String` (span/path blobs must not type-check as the stable subject slot).
-#[test]
-fn workflow_observation_anchor_subject_node_is_node_id() {
-    let dag = generated_full_bootstrap_dag();
-    let node_id = dag
-        .declaration_by_name("NodeId")
-        .expect("`NodeId` missing from full bootstrap (substrate_minimal authority)")
-        .id;
-    let ty = conj_field_ty(&dag, "WorkflowObservationAnchor", "subject_node");
-    assert_eq!(
-        ty, node_id,
-        "`WorkflowObservationAnchor.subject_node` must be `NodeId` (structural subject key), not `String`"
-    );
-}
-
-/// Gate #55 inv.4 / Practice 4: attachment instant shares the `Nanoseconds` nominal
-/// used for duration magnitudes (openai-pro — label-only anchor tests miss this).
-#[test]
-fn workflow_observation_anchor_attached_at_ns_is_nanoseconds() {
-    let dag = generated_full_bootstrap_dag();
-    let nanoseconds = dag
-        .declaration_by_name("Nanoseconds")
-        .expect("`Nanoseconds` missing from full bootstrap")
-        .id;
-    let ty = conj_field_ty(&dag, "WorkflowObservationAnchor", "attached_at_ns");
-    assert_eq!(
-        ty, nanoseconds,
-        "`WorkflowObservationAnchor.attached_at_ns` must be `Nanoseconds` (SI-ns scaffold coordinate)"
-    );
-}
-
-#[test]
-fn timing_budget_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let labels: HashSet<String> = conj_field_labels(&dag, "TimingBudget")
-        .into_iter()
-        .collect();
-    let expected: HashSet<&str> = ["max"].into_iter().collect();
-    let actual: HashSet<&str> = labels.iter().map(String::as_str).collect();
-    assert_eq!(actual, expected, "TimingBudget field set drifted");
-}
-
-/// P2 / M9: budget ceiling uses the same `Nanoseconds` nominal as timing reports.
-#[test]
-fn timing_budget_max_field_is_nanoseconds() {
-    let dag = generated_full_bootstrap_dag();
-    let nanoseconds = dag
-        .declaration_by_name("Nanoseconds")
-        .expect("`Nanoseconds` missing from full bootstrap")
-        .id;
-    let ty = conj_field_ty(&dag, "TimingBudget", "max");
-    assert_eq!(
-        ty, nanoseconds,
-        "`TimingBudget.max` must be `Nanoseconds` (aligned timing magnitude carrier)"
-    );
-}
-
-/// Gate #54 acceptance: the carrier is not only the `TimingMeasurement` sum; the
-/// std module must publish the concrete `Lens<TimingMeasurement>` data row that
-/// downstream workflow-as-data/self-application gates can reference.
-#[test]
-fn timing_lens_data_row_lowers_to_lens_timing_measurement_hooks() {
-    let dag = generated_full_bootstrap_dag();
-    let expected_refs = [
-        ("read", "timing_lens_read"),
-        ("branch", "timing_branch_op"),
-        ("iterate", "timing_measurement_iterate"),
-        ("validate", "timing_lens_validate"),
-    ];
-    for (field, target) in expected_refs {
-        let target_id = dag
-            .declaration_by_name(target)
-            .unwrap_or_else(|| panic!("`{target}` missing from full bootstrap"))
-            .id;
-        assert_eq!(
-            data_field(&dag, "timing_lens", field),
-            &FieldValue::Reference(target_id),
-            "`timing_lens.{}` must reference `{}`",
-            field,
-            target
-        );
-    }
-
-    let lens_name = data_field(&dag, "timing_lens", "name");
-    assert_eq!(
-        lens_name,
-        &FieldValue::Literal(v3_compiler::dag::LiteralBits::String("timing".to_string())),
-        "`timing_lens.name` must stay the canonical timing dimension label"
-    );
-
-    let monoid_id = dag
-        .declaration_by_name("timing_lens_monoid")
-        .expect("`timing_lens_monoid` missing from full bootstrap")
-        .id;
-    assert_eq!(
-        data_field(&dag, "timing_lens", "sequential"),
-        &FieldValue::Reference(monoid_id),
-        "`timing_lens.sequential` must use the timing monoid data row"
-    );
-}
-
-#[test]
-fn timing_lens_monoid_data_row_locks_observed_zero_identity() {
-    let dag = generated_full_bootstrap_dag();
-    let op_id = dag
-        .declaration_by_name("timing_sequential_op")
-        .expect("`timing_sequential_op` missing from full bootstrap")
-        .id;
-    assert_eq!(
-        data_field(&dag, "timing_lens_monoid", "op"),
-        &FieldValue::Reference(op_id),
-        "`timing_lens_monoid.op` must reference timing_sequential_op"
-    );
-
-    let identity = data_field(&dag, "timing_lens_monoid", "identity");
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = identity
-    else {
-        panic!("`timing_lens_monoid.identity` must be Observed payload, got {identity:?}");
-    };
-    assert_eq!(
-        *constructor,
-        disj_variant_ty(&dag, "TimingMeasurement", "Observed"),
-        "`timing_lens_monoid.identity` must use the TimingMeasurement.Observed constructor"
-    );
-    assert_eq!(
-        payload.len(),
-        1,
-        "`Observed` identity payload arity drifted"
-    );
-    let FieldValue::Record(observed_fields) = &payload[0] else {
-        panic!("`Observed` identity payload must be a record, got {payload:?}");
-    };
-    let duration_fields = observed_fields
-        .iter()
-        .find(|(field, _)| field == "duration")
-        .map(|(_, value)| value)
-        .map(|duration| {
-            let FieldValue::Record(duration_fields) = duration else {
-                panic!("`Observed.duration` identity must be a record, got {duration:?}");
-            };
-            duration_fields
-        })
-        .unwrap_or(observed_fields);
-    let count_field = duration_fields.iter().find(|(field, _)| field == "count");
-    assert!(
-        count_field.is_some(),
-        "`Observed` identity must carry zero ns as either `duration.count` or lowered `count`; got {observed_fields:?}"
-    );
-    let Some((_, count)) = count_field else {
-        unreachable!("asserted count field presence above");
-    };
-    assert_eq!(
-        count,
-        &FieldValue::Literal(v3_compiler::dag::literal_bits_int(0)),
-        "`timing_lens_monoid.identity` must be Observed zero ns"
-    );
-}
-
-/// openai-pro / PR #2360: sequential and branch lens hooks must share one join
-/// (`timing_measurement_lens_combine`); branch must not re-implement a stale
-/// short-circuit that makes `(Stale, Unobserved)` order-sensitive vs sequential.
-#[test]
-fn timing_lens_sequential_and_branch_delegate_to_shared_combine() {
-    let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../std/timing_lens.dag");
-    let src = std::fs::read_to_string(&path).expect("read src/v3/std/timing_lens.dag");
-    let seq = src
-        .find("fn timing_sequential_op")
-        .expect("timing_sequential_op");
-    let br = src.find("fn timing_branch_op").expect("timing_branch_op");
-    assert!(
-        seq < br,
-        "expected sequential_op before branch_op in source order"
-    );
-    let seq_window = &src[seq..(seq + 220).min(src.len())];
-    assert!(
-        seq_window.contains("timing_measurement_lens_combine(a, b, true)"),
-        "timing_sequential_op must delegate to timing_measurement_lens_combine(..., true); got: {seq_window:?}"
-    );
-    let br_window = &src[br..(br + 220).min(src.len())];
-    assert!(
-        br_window.contains("timing_measurement_lens_combine(a, b, false)"),
-        "timing_branch_op must delegate to timing_measurement_lens_combine(..., false); got: {br_window:?}"
-    );
-}
-
-/// Inline review (briansrls / PR #2360): outer `Stale` must not return `Stale`
-/// without inspecting `b` — `(Stale, Unobserved)` must stay **`Unobserved`**
-/// (strict missing-evidence on the RHS; P2 facts-forward / no silencing).
-#[test]
-fn timing_measurement_lens_combine_stale_arm_inspects_rhs() {
-    let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../std/timing_lens.dag");
-    let src = std::fs::read_to_string(&path).expect("read src/v3/std/timing_lens.dag");
-    let start = src
-        .find("fn timing_measurement_lens_combine")
-        .expect("timing_measurement_lens_combine");
-    let end = src[start..]
-        .find("// Sequential monoid")
-        .map(|i| start + i)
-        .expect("comment sentinel before timing_sequential_op");
-    let body = &src[start..end];
-    let stale_arm = body
-        .find("Stale =>")
-        .expect("outer `Stale =>` arm in timing_measurement_lens_combine");
-    let head = &body[stale_arm..(stale_arm + 120).min(body.len())];
-    assert!(
-        head.contains("match b") && head.contains("Unobserved => Unobserved"),
-        "outer `Stale` arm must `match b` and map `Unobserved` to `Unobserved`; got:\n{head}"
-    );
-    assert!(
-        !head.contains("Stale =>\n      Stale"),
-        "outer `Stale` arm must not short-circuit to `Stale` without inspecting `b`; got:\n{head}"
-    );
-}
-
-/// openai-pro / PR #2360: `timing_lens_validate` must not all-pass non-`Observed`
-/// report states at the substrate hook (P3 / design §2.6).
-#[test]
-fn timing_lens_validate_surfaces_diagnostic_for_non_observed_states() {
-    let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../std/timing_lens.dag");
-    let src = std::fs::read_to_string(&path).expect("read src/v3/std/timing_lens.dag");
-    let start = src
-        .find("fn timing_lens_validate(d: Dag, composed: TimingMeasurement)")
-        .expect("timing_lens_validate");
-    let end = src[start..]
-        .find("fn timing_measurement_iterate")
-        .map(|i| start + i)
-        .unwrap_or(src.len());
-    let body = &src[start..end];
-    assert!(
-        body.contains("Unobserved =>")
-            && body.contains("timing_lens_validate_non_observed")
-            && body.contains("Ambiguous =>")
-            && body.contains("Stale =>"),
-        "non-observed arms must delegate to timing_lens_validate_non_observed; got:\n{body}"
-    );
-    assert!(
-        body.contains("Observed { duration: _ } =>") && body.contains("NoDiagnostic"),
-        "Observed arm should retain NoDiagnostic at this scaffold; got:\n{body}"
-    );
-    let helper_start = src
-        .find("fn timing_lens_validate_non_observed(d: Dag, text: String)")
-        .expect("timing_lens_validate_non_observed");
-    let helper_window = &src[helper_start..(helper_start + 320).min(src.len())];
-    assert!(
-        helper_window.contains("SomeDiagnostic"),
-        "timing_lens_validate_non_observed must construct SomeDiagnostic; got: {helper_window:?}"
-    );
-    assert!(
-        !src.contains("Empty => NoDiagnostic"),
-        "timing_lens_validate_non_observed must not fail-open non-evidence on empty behavior_spine (P3); remove Empty => NoDiagnostic"
-    );
-    assert!(
-        src.contains("d.declarations")
-            && (src.contains("timing_lens_degenerate_empty_dag_span")
-                || src.contains("dd.head.span")),
-        "empty behavior_spine path must borrow a real `SourceSpan` (first declaration span) or the degenerate placeholder helper; got missing wiring"
-    );
-}
-
-/// openai-pro / PR #2360 (REQUEST_CHANGES): `timing_measurement_iterate` must not
-/// return unchanged `Observed` while dropping `LoopBound` (P3 fail-closed).
-#[test]
-fn timing_measurement_iterate_fail_closed_on_observed_with_loop_bound() {
-    let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../std/timing_lens.dag");
-    let src = std::fs::read_to_string(&path).expect("read src/v3/std/timing_lens.dag");
-    let start = src
-        .find("fn timing_measurement_iterate(body: TimingMeasurement, bound: LoopBound)")
-        .expect("timing_measurement_iterate");
-    let end = src[start..]
-        .find("fn timing_lens_read")
-        .map(|i| start + i)
-        .expect("timing_lens_read follows iterate");
-    let body = &src[start..end];
-    assert!(
-        body.contains("Observed { duration: _ } =>")
-            && body.contains("Cardinality(_) => timing_measurement_unobserved()")
-            && body.contains("Descent(_) => timing_measurement_unobserved()"),
-        "`Observed` × any `LoopBound` must map to `timing_measurement_unobserved()` until lowering lands; got:\n{body}"
-    );
-    assert!(
-        body.contains("Unobserved => Unobserved")
-            && body.contains("Ambiguous => Ambiguous")
-            && body.contains("Stale => Stale"),
-        "non-`Observed` arms must pass through unchanged; got:\n{body}"
-    );
-    assert!(
-        !body.contains("Cardinality(_) => body") && !body.contains("Descent(_) => body"),
-        "`timing_measurement_iterate` must not ignore `LoopBound` by returning `body` unchanged on `Observed`; got:\n{body}"
-    );
-}
-
-/// §1.8 gate #55 `shared_external_attachment_pattern_documented` — load-bearing
-/// aggregating receipt. Six invariants per `docs/design-timing-lens.md` §2 are
-/// each ratcheted by a per-field/per-variant test above; this aggregator binds
-/// them under a single named harness so the §1.8 row #55 predicate is
-/// load-bearing under workspace sweep (audit predicate-execution requirement).
-///
-/// inv.1 stable subject identity (NodeId, not String) — `workflow_observation_anchor_subject_node_is_node_id`
-/// inv.2 observed-artifact identity (ContentHash, not String) — `workflow_observation_anchor_artifact_digest_is_content_hash`
-/// inv.3 producer/observer/prover separation (branded nominals) — `workflow_observation_anchor_provenance_ids_are_branded`
-/// inv.4 attachment time + run context (Nanoseconds + WorkflowRunId) — `workflow_observation_anchor_attached_at_ns_is_nanoseconds` + above
-/// inv.5 report-state coproduct (Observed | Unobserved | Ambiguous | Stale) — `timing_measurement_variants_locked`
-/// inv.6 fail-closed on non-observed/non-valid — `timing_lens_validate_surfaces_diagnostic_for_non_observed_states` + `timing_measurement_iterate_fail_closed_on_observed_with_loop_bound`
-#[test]
-fn r3_gate_55_shared_external_attachment_pattern_documented() {
-    let dag = generated_full_bootstrap_dag();
-
-    // inv.1
-    let node_id = dag
-        .declaration_by_name("NodeId")
-        .expect("inv.1 NodeId nominal")
-        .id;
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "subject_node"),
-        node_id,
-        "gate #55 inv.1: subject_node must be NodeId"
-    );
-
-    // inv.2
-    let content_hash = dag
-        .declaration_by_name("ContentHash")
-        .expect("inv.2 ContentHash nominal")
-        .id;
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "artifact_digest"),
-        content_hash,
-        "gate #55 inv.2: artifact_digest must be ContentHash"
-    );
-
-    // inv.3
-    for (field, brand) in [
-        ("producer_id", "WorkflowProducerId"),
-        ("observer_id", "WorkflowObserverId"),
-        ("prover_id", "WorkflowProverId"),
-    ] {
-        let brand_id = dag
-            .declaration_by_name(brand)
-            .unwrap_or_else(|| panic!("inv.3 brand {brand} present"))
-            .id;
-        assert_eq!(
-            conj_field_ty(&dag, "WorkflowObservationAnchor", field),
-            brand_id,
-            "gate #55 inv.3: {field} must brand to {brand}"
-        );
-    }
-
-    // inv.4
-    let ns = dag
-        .declaration_by_name("Nanoseconds")
-        .expect("inv.4 Nanoseconds")
-        .id;
-    let run = dag
-        .declaration_by_name("WorkflowRunId")
-        .expect("inv.4 WorkflowRunId")
-        .id;
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "attached_at_ns"),
-        ns,
-        "gate #55 inv.4: attached_at_ns must be Nanoseconds"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowObservationAnchor", "workflow_run_id"),
-        run,
-        "gate #55 inv.4: workflow_run_id must be WorkflowRunId"
-    );
-
-    // inv.5
-    let variants: HashSet<String> = disj_variant_labels(&dag, "TimingMeasurement")
-        .into_iter()
-        .collect();
-    let expected: HashSet<&str> = ["Observed", "Unobserved", "Ambiguous", "Stale"]
-        .into_iter()
-        .collect();
-    let actual: HashSet<&str> = variants.iter().map(String::as_str).collect();
-    assert_eq!(
-        actual, expected,
-        "gate #55 inv.5: TimingMeasurement report-state coproduct"
-    );
-
-    // inv.6 — the per-arm fail-closed structural checks live in dedicated
-    // tests above; this aggregator re-asserts the source-level fail-closed
-    // sentinel so a regression in `timing_lens_validate` cannot quietly
-    // collapse this gate without tripping the aggregator too.
-    let path = std::path::Path::new(env!("CARGO_MANIFEST_DIR")).join("../std/timing_lens.dag");
-    let src = std::fs::read_to_string(&path).expect("read src/v3/std/timing_lens.dag");
-    assert!(
-        src.contains("timing_lens_validate_non_observed"),
-        "gate #55 inv.6: timing_lens_validate_non_observed must remain wired (fail-closed on non-Observed)"
-    );
-    assert!(
-        !src.contains("Empty => NoDiagnostic"),
-        "gate #55 inv.6: empty behavior_spine must not fail-open to NoDiagnostic"
-    );
-}
-
-/// §1.8 gate #54 `timing_lens_carrier_landed`: `type TimingLens = Lens<TimingMeasurement>` is the
-/// substrate nominal for the parameterized lens surface (`docs/design-timing-lens.md` §1).
-#[test]
-fn timing_lens_carrier_landed_timing_lens_is_lens_instantiation() {
-    let dag = generated_full_bootstrap_dag();
-    let lens_template = dag.declaration_by_name("Lens").expect("Lens template").id;
-    let timing_m = dag
-        .declaration_by_name("TimingMeasurement")
-        .expect("TimingMeasurement")
-        .id;
-    let timing_lens_ty = dag
-        .declaration_by_name("TimingLens")
-        .expect("TimingLens nominal")
-        .id;
-    let decl = dag.declaration(timing_lens_ty);
-    let TypeConnective::Instantiation {
-        template,
-        arguments,
-    } = &decl.connective
-    else {
-        panic!(
-            "TimingLens must be Lens<TimingMeasurement> instantiation, got {:?}",
-            decl.connective
-        );
-    };
-    assert_eq!(*template, lens_template, "TimingLens template");
-    assert_eq!(arguments.len(), 1, "Lens has one type parameter");
-    assert_eq!(
-        arguments[0].value, timing_m,
-        "TimingLens must instantiate Lens at TimingMeasurement"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/v2_oracle_no_remaining_test_consumers_test.rs b/src/v3/compiler/tests/integration/v2_oracle_no_remaining_test_consumers_test.rs
deleted file mode 100644
index ee32421f5ee..00000000000
--- a/src/v3/compiler/tests/integration/v2_oracle_no_remaining_test_consumers_test.rs
+++ /dev/null
@@ -1,497 +0,0 @@
-//! **Layer:** integration
-//!
-//! R3 T-V2-Retirement — gate **`v2_oracle_no_remaining_test_consumers`**
-//! ([`docs/r3-structure.md`](../../../../../../docs/r3-structure.md) §T-V2-Retirement;
-//! program plan #41).
-//!
-//! Mechanical receipt aligned to G-1 in
-//! [`docs/audit/t-v2-g2-deletion-plan-and-guardrails.md`](../../../../../../docs/audit/t-v2-g2-deletion-plan-and-guardrails.md):
-//! `grep -rEn 'v2[_-]compiler(_tests|-tests)?' src/` excluding `src/v2/` → zero matches on
-//! comment-stripped Rust sources; Cargo **dependency** tables in the **repo-root workspace
-//! manifest** and in each **`[workspace].members`** package manifest (excluding `src/v2/`
-//! members) — parsed as TOML (not line regex)
-//! must not link the legacy v2 crates from manifests outside `src/v2/` (including path deps whose
-//! resolved tree lies under `src/v2/` even when the dep key / `package` spelling does not).
-
-use crate::common::strip_rust_comments;
-use std::fs;
-use std::path::{Path, PathBuf};
-use toml::Value;
-
-fn workspace_root() -> PathBuf {
-    // Normalize `..` so `is_under_src_v2` / `strip_prefix(workspace_root.join("src"))` agree with
-    // lexically-normalized member paths from `workspace_member_manifest_paths`.
-    lexical_normalize(
-        &PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-            .join("..")
-            .join("..")
-            .join(".."),
-    )
-}
-
-/// Spellings for `v2[_-]compiler(_tests|-tests)?` (G-1 grep). Longer keys first so diagnostics
-/// prefer the specific crate name; all are substring-scanned on comment-stripped Rust (same as
-/// `grep -E` on source text, including string literals — covers `v2-compiler`, `v2_compiler ::`, …).
-const G1_V2_CRATE_SUBSTRINGS: &[&str] = &[
-    concat!("v2-", "compiler-", "tests"),
-    concat!("v2-", "compiler_", "tests"),
-    concat!("v2_", "compiler-", "tests"),
-    concat!("v2_", "compiler_", "tests"),
-    concat!("v2-", "compiler"),
-    concat!("v2_", "compiler"),
-];
-
-/// `path` is under `src_root` (the workspace `src/` directory). True when the relative path's
-/// first component is `v2`.
-fn is_under_src_v2(path: &Path, src_root: &Path) -> bool {
-    if let Ok(rel) = path.strip_prefix(src_root) {
-        if let Some(std::path::Component::Normal(first)) = rel.components().next() {
-            return first == "v2";
-        }
-    }
-    false
-}
-
-fn collect_rs_files(dir: &Path, src_root: &Path, out: &mut Vec<PathBuf>) {
-    if is_under_src_v2(dir, src_root) {
-        return;
-    }
-    let entries = fs::read_dir(dir).unwrap_or_else(|e| panic!("read_dir {}: {e}", dir.display()));
-    for ent in entries {
-        let ent = ent.unwrap_or_else(|e| panic!("read_dir entry {}: {e}", dir.display()));
-        let p = ent.path();
-        if p.is_dir() {
-            collect_rs_files(&p, src_root, out);
-        } else if p.extension().is_some_and(|x| x == "rs") {
-            out.push(p);
-        }
-    }
-}
-
-/// Repo-root `Cargo.toml` plus one manifest per `[workspace].members` entry (Cargo's authoritative
-/// crate list), skipping members under `src/v2/`. Glob members are rejected: expand them in the
-/// root manifest before relying on this ratchet, or extend the walker with explicit glob support.
-fn workspace_member_manifest_paths(workspace_root: &Path) -> Vec<PathBuf> {
-    let root_toml_path = workspace_root.join("Cargo.toml");
-    let raw = fs::read_to_string(&root_toml_path)
-        .unwrap_or_else(|e| panic!("read {}: {e}", root_toml_path.display()));
-    let parsed: Value = toml::from_str(&raw)
-        .expect("repo-root Cargo.toml must parse as TOML for workspace authority");
-    let root_tbl = parsed
-        .as_table()
-        .expect("repo-root Cargo.toml must be a TOML table");
-    let Some(ws) = root_tbl.get("workspace").and_then(Value::as_table) else {
-        panic!(
-            "{}: expected [workspace] for gate-41 manifest authority",
-            root_toml_path.display()
-        );
-    };
-    let members_val = ws
-        .get("members")
-        .expect("[workspace].members missing — cannot close G-1 on workspace manifests");
-    let members = members_val
-        .as_array()
-        .expect("[workspace].members must be a TOML array");
-    let src_root = workspace_root.join("src");
-    let mut out = Vec::with_capacity(members.len().saturating_add(1));
-    out.push(root_toml_path.clone());
-
-    for m in members {
-        let rel = m
-            .as_str()
-            .expect("[workspace].members entries must be strings");
-        assert!(
-            !rel.contains('*') && !rel.contains('?') && !rel.contains('['),
-            "gate-41: glob workspace.members entry `{rel}` not supported; use literal paths or extend this ratchet"
-        );
-        let member_dir = lexical_normalize(&workspace_root.join(rel));
-        if is_under_src_v2(&member_dir, &src_root) {
-            continue;
-        }
-        let member_cargo = member_dir.join("Cargo.toml");
-        assert!(
-            member_cargo.is_file(),
-            "gate-41: workspace member `{rel}` missing {}",
-            member_cargo.display()
-        );
-        if member_cargo != root_toml_path {
-            out.push(member_cargo);
-        }
-    }
-    out.sort();
-    out.dedup();
-    out
-}
-
-fn rust_source_first_g1_match(stripped: &str) -> Option<&'static str> {
-    G1_V2_CRATE_SUBSTRINGS
-        .iter()
-        .find(|&&needle| stripped.contains(needle))
-        .copied()
-}
-
-fn is_g1_v2_manifest_name(name: &str) -> bool {
-    G1_V2_CRATE_SUBSTRINGS.contains(&name)
-}
-
-/// Resolve `.` / `..` in `path` without touching the filesystem (Cargo path deps are relative to
-/// the manifest directory).
-fn lexical_normalize(path: &Path) -> PathBuf {
-    use std::path::Component;
-    let mut out = PathBuf::new();
-    for comp in path.components() {
-        match comp {
-            Component::CurDir => {}
-            Component::ParentDir => {
-                if matches!(out.components().next_back(), Some(Component::Normal(_))) {
-                    out.pop();
-                }
-            }
-            _ => out.push(comp.as_os_str()),
-        }
-    }
-    out
-}
-
-fn dep_path_reaches_src_v2(manifest_path: &Path, workspace_root: &Path, spec: &Value) -> bool {
-    let Some(t) = spec.as_table() else {
-        return false;
-    };
-    let Some(rel) = t.get("path").and_then(Value::as_str) else {
-        return false;
-    };
-    let dir = manifest_path
-        .parent()
-        .filter(|p| !p.as_os_str().is_empty())
-        .unwrap_or_else(|| Path::new("."));
-    let joined = lexical_normalize(&dir.join(rel));
-    let src_v2 = lexical_normalize(&workspace_root.join("src").join("v2"));
-
-    match (fs::canonicalize(&joined), fs::canonicalize(&src_v2)) {
-        (Ok(ref jc), Ok(ref sv)) => jc.starts_with(sv),
-        // Missing path components: canonicalize fails even when the author clearly aimed
-        // under `src/v2/` (exploratory fail-open called out in review). Fall back to
-        // lexical `..` resolution vs workspace `src/v2`.
-        _ => joined.starts_with(&src_v2),
-    }
-}
-
-fn dep_spec_links_v2_crate(name: &str, spec: &Value) -> bool {
-    let name_hit = is_g1_v2_manifest_name(name);
-    let pkg_hit = spec
-        .as_table()
-        .and_then(|t| t.get("package"))
-        .and_then(Value::as_str)
-        .is_some_and(is_g1_v2_manifest_name);
-    if !(name_hit || pkg_hit) {
-        return false;
-    }
-    match spec {
-        Value::String(_) => name_hit,
-        // Inline tables: key or `package =` already names the crate; count registry `version`, git
-        // subtables, etc., not only `path` / `workspace` / `git` top-level keys.
-        Value::Table(_) => true,
-        _ => false,
-    }
-}
-
-fn scan_dep_table(
-    table: &toml::map::Map<String, Value>,
-    scan_ctx: Option<(&Path, &Path)>,
-) -> Option<String> {
-    for (dep_key, dep_spec) in table {
-        if dep_spec_links_v2_crate(dep_key, dep_spec) {
-            return Some(format!(
-                "dependency key or `package =` rename targets legacy v2 crate ({dep_key})",
-            ));
-        }
-        if let Some((manifest_path, workspace_root)) = scan_ctx {
-            if dep_path_reaches_src_v2(manifest_path, workspace_root, dep_spec) {
-                return Some(format!(
-                    "dependency `{dep_key}` path resolves under src/v2 (legacy tree link)",
-                ));
-            }
-        }
-    }
-    None
-}
-
-fn scan_dependencies_value(sect: &Value, scan_ctx: Option<(&Path, &Path)>) -> Option<String> {
-    let table = sect.as_table()?;
-    scan_dep_table(table, scan_ctx)
-}
-
-fn manifest_violation_g1_v2_edge(
-    root: &toml::map::Map<String, Value>,
-    scan_ctx: Option<(&Path, &Path)>,
-) -> Option<String> {
-    for key in ["dependencies", "build-dependencies", "dev-dependencies"] {
-        if let Some(sect) = root.get(key) {
-            if let Some(msg) = scan_dependencies_value(sect, scan_ctx) {
-                return Some(format!("{key}: {msg}"));
-            }
-        }
-    }
-
-    if let Some(Value::Table(ws)) = root.get("workspace") {
-        if let Some(sect) = ws.get("dependencies") {
-            if let Some(msg) = scan_dependencies_value(sect, scan_ctx) {
-                return Some(format!("workspace.dependencies: {msg}"));
-            }
-        }
-    }
-
-    if let Some(Value::Table(targets)) = root.get("target") {
-        for (triple, tv) in targets {
-            let Some(t) = tv.as_table() else {
-                continue;
-            };
-            for key in ["dependencies", "build-dependencies", "dev-dependencies"] {
-                if let Some(sect) = t.get(key) {
-                    if let Some(msg) = scan_dependencies_value(sect, scan_ctx) {
-                        return Some(format!("target.{triple} {key}: {msg}"));
-                    }
-                }
-            }
-        }
-    }
-
-    None
-}
-
-#[test]
-fn g1_manifest_workspace_dependencies_detected() {
-    let v2_pkg = concat!("v2-", "compiler");
-    let raw = format!(
-        concat!(
-            "[package]\nname = \"x\"\nversion = \"0.1.0\"\nedition = \"2021\"\n\n",
-            "[workspace]\nmembers = [\".\"]\n\n",
-            "[workspace.dependencies]\n{0} = {{ path = \"src/v2/stage0\" }}\n",
-        ),
-        v2_pkg,
-    );
-    let v: Value = toml::from_str(&raw).expect("fixture toml");
-    let root = v.as_table().expect("root table");
-    let viol = manifest_violation_g1_v2_edge(root, None);
-    assert!(
-        viol.is_some(),
-        "expected workspace.dependencies v2 path dep to register; got {viol:?}"
-    );
-}
-
-#[test]
-fn g1_rust_substrings_match_whitespace_path_and_hyphen_forms() {
-    let v2_cc = concat!("v2_", "compiler");
-    let v2_hy = concat!("v2-", "compiler");
-    let src_path = format!("fn f() {{ let _ = {v2_cc} :: foo::bar(); }}\n");
-    assert_eq!(
-        rust_source_first_g1_match(&strip_rust_comments(&src_path)),
-        Some(v2_cc),
-    );
-    let src_lit = format!("const S: &str = \"{v2_hy}\";\n");
-    assert_eq!(
-        rust_source_first_g1_match(&strip_rust_comments(&src_lit)),
-        Some(v2_hy),
-    );
-}
-
-#[test]
-fn g1_manifest_dotted_dev_deps_table_detected() {
-    let raw = concat!(
-        "[package]\nname = \"x\"\nversion = \"0.1.0\"\nedition = \"2021\"\n\n",
-        "[dev-dependencies.",
-        "v2-",
-        "compiler]\n",
-        "path = \"../stage0\"\n",
-    );
-    let v: Value = toml::from_str(raw).expect("fixture toml");
-    let root = v.as_table().expect("root table");
-    let viol = manifest_violation_g1_v2_edge(root, None);
-    assert!(
-        viol.is_some(),
-        "expected dotted dev-dependencies table to register as v2 edge; got {viol:?}"
-    );
-}
-
-#[test]
-fn g1_manifest_package_rename_path_detected() {
-    let raw = format!(
-        concat!(
-            "[package]\nname = \"x\"\nversion = \"0.1.0\"\nedition = \"2021\"\n\n",
-            "[dependencies]\n",
-            "st-{0} = {{ package = \"{1}\", path = \"../stage0\" }}\n",
-        ),
-        "shim",
-        concat!("v2-", "compiler"),
-    );
-    let v: Value = toml::from_str(&raw).expect("fixture toml");
-    let root = v.as_table().expect("root table");
-    let viol = manifest_violation_g1_v2_edge(root, None);
-    assert!(
-        viol.is_some(),
-        "expected package-rename path dep to register; got {viol:?}"
-    );
-}
-
-#[test]
-fn g1_manifest_registry_version_inline_table_detected() {
-    let v2_pkg = concat!("v2-", "compiler");
-    let raw = format!(
-        concat!(
-            "[package]\nname = \"x\"\nversion = \"0.1.0\"\nedition = \"2021\"\n\n",
-            "[dependencies]\n{0} = {{ version = \"0.0.1\" }}\n",
-        ),
-        v2_pkg,
-    );
-    let v: Value = toml::from_str(&raw).expect("fixture toml");
-    let root = v.as_table().expect("root table");
-    let viol = manifest_violation_g1_v2_edge(root, None);
-    assert!(
-        viol.is_some(),
-        "expected registry version inline-table dep to register; got {viol:?}"
-    );
-}
-
-#[test]
-fn g1_manifest_package_rename_version_inline_table_detected() {
-    let v2_pkg = concat!("v2-", "compiler");
-    let raw = format!(
-        concat!(
-            "[package]\nname = \"x\"\nversion = \"0.1.0\"\nedition = \"2021\"\n\n",
-            "[dependencies]\n",
-            "st-shim = {{ package = \"{0}\", version = \"0.0.1\" }}\n",
-        ),
-        v2_pkg,
-    );
-    let v: Value = toml::from_str(&raw).expect("fixture toml");
-    let root = v.as_table().expect("root table");
-    let viol = manifest_violation_g1_v2_edge(root, None);
-    assert!(
-        viol.is_some(),
-        "expected package-rename registry dep to register; got {viol:?}"
-    );
-}
-
-#[test]
-fn g1_manifest_neutral_key_path_into_src_v2_detected() {
-    let workspace_root = workspace_root();
-    let manifest_path = workspace_root
-        .join("src")
-        .join("v3")
-        .join("compiler")
-        .join("Cargo.toml");
-    assert!(
-        manifest_path.is_file(),
-        "fixture requires {}",
-        manifest_path.display(),
-    );
-
-    let raw = concat!(
-        "[package]\nname = \"x\"\nversion = \"0.1.0\"\nedition = \"2021\"\n\n",
-        "[dependencies]\n",
-        "shim-crate = { path = \"../../v2/stage0\" }\n",
-    );
-    let v: Value = toml::from_str(raw).expect("fixture toml");
-    let root = v.as_table().expect("root table");
-    let viol = manifest_violation_g1_v2_edge(root, Some((&manifest_path, &workspace_root)));
-    assert!(
-        viol.is_some(),
-        "expected neutral dep key with path into src/v2 to register; got {viol:?}"
-    );
-}
-
-#[test]
-fn g1_manifest_neutral_key_path_lexically_under_missing_src_v2_entry_detected() {
-    let workspace_root = workspace_root();
-    let manifest_path = workspace_root
-        .join("src")
-        .join("v3")
-        .join("compiler")
-        .join("Cargo.toml");
-    assert!(
-        manifest_path.is_file(),
-        "fixture requires {}",
-        manifest_path.display(),
-    );
-
-    let missing_under_v2 = "../../v2/__gate41_missing_path_probe";
-    let raw = format!(
-        concat!(
-            "[package]\nname = \"x\"\nversion = \"0.1.0\"\nedition = \"2021\"\n\n",
-            "[dependencies]\n",
-            "shim-crate = {{ path = \"{0}\" }}\n",
-        ),
-        missing_under_v2,
-    );
-    assert!(
-        !workspace_root
-            .join("src")
-            .join("v2")
-            .join("__gate41_missing_path_probe")
-            .exists(),
-        "fixture path segment must not exist on disk (canonicalize fail)",
-    );
-    let v: Value = toml::from_str(&raw).expect("fixture toml");
-    let root = v.as_table().expect("root table");
-    let viol = manifest_violation_g1_v2_edge(root, Some((&manifest_path, &workspace_root)));
-    assert!(
-        viol.is_some(),
-        "expected lexical path under src/v2 to register when target is missing; got {viol:?}"
-    );
-}
-
-#[test]
-fn v2_oracle_no_remaining_test_consumers_rust_sources() {
-    let workspace_root = workspace_root();
-    let src_root = workspace_root.join("src");
-    assert!(src_root.is_dir(), "expected src/ at {}", src_root.display());
-
-    let mut rs_files = Vec::new();
-    collect_rs_files(&src_root, &src_root, &mut rs_files);
-    rs_files.sort();
-
-    for path in rs_files {
-        let raw =
-            fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-        let stripped = strip_rust_comments(&raw);
-        if let Some(needle) = rust_source_first_g1_match(&stripped) {
-            let rel = path.strip_prefix(&workspace_root).unwrap_or(&path);
-            panic!(
-                "v2_oracle_no_remaining_test_consumers / G-1: `{}` matches `v2[_-]compiler(_tests|-tests)?` \
-                 audit surface ({needle:?} after comment strip). Remove the legacy v2 crate reference \
-                 or relocate under `src/v2/`.",
-                rel.display(),
-            );
-        }
-    }
-}
-
-#[test]
-fn v2_oracle_no_remaining_test_consumers_workspace_manifests() {
-    let workspace_root = workspace_root();
-    let manifests = workspace_member_manifest_paths(&workspace_root);
-    assert!(
-        manifests.len() >= 2,
-        "expected root workspace + at least one non-v2 member; got {}",
-        manifests.len()
-    );
-
-    for path in manifests {
-        let raw =
-            fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-        let root: toml::map::Map<String, Value> =
-            match toml::from_str::<Value>(&raw).expect("Cargo.toml must parse as TOML") {
-                Value::Table(t) => t,
-                _ => panic!("expected Cargo.toml root table at {}", path.display()),
-            };
-        if let Some(detail) = manifest_violation_g1_v2_edge(&root, Some((&path, &workspace_root))) {
-            panic!(
-                "v2_oracle_no_remaining_test_consumers / G-1: `{}` links legacy v2 crate in a \
-                 dependency table: {detail}",
-                path.strip_prefix(&workspace_root)
-                    .unwrap_or(&path)
-                    .display(),
-            );
-        }
-    }
-}
diff --git a/src/v3/compiler/tests/integration/v4_emit_host_eval_dispatch_test.rs b/src/v3/compiler/tests/integration/v4_emit_host_eval_dispatch_test.rs
deleted file mode 100644
index 9677c0f24b9..00000000000
--- a/src/v3/compiler/tests/integration/v4_emit_host_eval_dispatch_test.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-//! **Layer:** integration
-//!
-//! T-22 eval dispatch behavior receipts for `run_emit_host_rust` substrate intercept
-//! (`emit_host_eval.rs`). Complements `v4_emit_host_harness_test.rs` (bridge + surface);
-//! this file ratchets runner fail-closed contracts the eval hook must preserve when mapping
-//! into `emit_host_receipt_from_source`.
-//!
-//! **P5 receipt (Mechanism (b)):** `EXPECTED_HAND_AUTHORED_TEST` row in `sg0_census_test.rs`;
-//! lane `T-PB-B` / `pb_rust_tests_outside_residual_zero`. Dissolution: substrate-only authority.
-
-use emit_host_runner::{
-    default_work_dir, run_emit_host_rust, EmitHostFixtureInputs, HostLogicalFailure,
-};
-
-const FIXTURE_SOURCE_PASS: &str =
-    "fn main() { let _ = std::io::Write::write_all(&mut std::io::stdout(), &[0u8; 5]); }";
-
-const FIXTURE_SOURCE_NONZERO: &str = "fn main() { std::process::exit(1); }";
-
-fn mvp2_inputs() -> EmitHostFixtureInputs {
-    EmitHostFixtureInputs {
-        claim_input_root: "eval_dispatch_claim".to_string(),
-        expected_eval_root: "eval_dispatch_expected".to_string(),
-    }
-}
-
-#[test]
-fn emit_host_eval_dispatch_runner_pass_fixture_holds_and_logical_run_projects() {
-    let work_dir = default_work_dir(&format!(
-        "gunbc_emit_host_eval_dispatch_pass_{}",
-        std::process::id()
-    ));
-    let receipt = run_emit_host_rust(FIXTURE_SOURCE_PASS, &mvp2_inputs().transport(), &work_dir)
-        .expect("host setup");
-    assert!(
-        receipt.exit.exit_holds(),
-        "eval dispatch must preserve Holds exit for pass fixture, got {:?}",
-        receipt.exit
-    );
-    assert!(
-        emit_host_runner::host_logical_run_from_exit(&receipt.exit, receipt.stdout_bytes.clone())
-            .is_some(),
-        "logical_run substrate rule: stdout only when exit Holds"
-    );
-}
-
-#[test]
-fn emit_host_eval_dispatch_runner_nonzero_exit_denies_logical_run_projection() {
-    let work_dir = default_work_dir(&format!(
-        "gunbc_emit_host_eval_dispatch_fail_{}",
-        std::process::id()
-    ));
-    let receipt = run_emit_host_rust(
-        FIXTURE_SOURCE_NONZERO,
-        &mvp2_inputs().transport(),
-        &work_dir,
-    )
-    .expect("host setup");
-    assert!(!receipt.exit.exit_holds(), "nonzero fixture must not Hold");
-    assert!(
-        emit_host_runner::host_logical_run_from_exit(&receipt.exit, receipt.stdout_bytes.clone())
-            .is_none(),
-        "logical_run must be fail-closed when exit Violates"
-    );
-    assert!(matches!(
-        receipt.exit.outcome,
-        emit_host_runner::HostExitOutcome::Accepted(emit_host_runner::ExitWitness::Violates(
-            HostLogicalFailure::ExitedNonzero { .. }
-        ))
-    ));
-}
diff --git a/src/v3/compiler/tests/integration/v4_emit_host_harness_test.rs b/src/v3/compiler/tests/integration/v4_emit_host_harness_test.rs
deleted file mode 100644
index 2dc2705f745..00000000000
--- a/src/v3/compiler/tests/integration/v4_emit_host_harness_test.rs
+++ /dev/null
@@ -1,1387 +0,0 @@
-//! **Layer:** integration
-//!
-//! **W2 / joint spec** `compiler-spine-runtime-rung34-min-runner-interface-2026-05-30.md` §4.2:
-//! emit-host harness substrate (`emit_host.dag`, `host_run.dag`, `test_claim_falsification.dag`,
-//! `nat_semiring_rung34_eval.dag`) + executable boundary `tools/emit_host_runner`.
-//!
-//! **ROADMAP:** `ROADMAP.md` § **Nine lanes** row **T-PB-B** / `pb_rust_tests_outside_residual_zero`;
-//! gunbc#4765 / rung-4 host receipt path.
-//!
-//! **PR receipt (P5 Mechanism (b)):** this harness + matching `EXPECTED_HAND_AUTHORED_TEST`
-//! line in `sg0_census_test.rs` land in the same PR. **This PR (+1 census path):**
-//! `v4_emit_host_harness_test.rs` — behavior-driven `run_emit_host_rust` (compile + run fixture,
-//! `HostExit` Holds witness + five-byte stdout parse) plus **tokenize/parse** surface receipts
-//! for W2 `.dag` modules (not `str::contains` source probes per TESTING.md).
-//!
-//! **W3:** substrate `run_emit_host_rust` stays `transport_not_wired` (fail-closed); real cargo+run
-//! via `emit_host_bridge` / `emit_host_runner`. Rosters authored in #4046 (`rung_3_4`).
-//! **W3.3 (+0 SG-0 paths):** go transport + rung-5 full law roster × rust/python/go
-//! (`rung_5.dag`, `nat_semiring_rung5_eval.dag`); cross-target MVP-2 stdout parity via bridge.
-//! **W3.4 (+0 SG-0 paths):** extends bridge with python transport + rung-6 post-emit law
-//! preservation (`rung_6.dag`, `rung_5_6_common.dag`, `nat_semiring_rung56_eval.dag`).
-//! Tranche-1 additive-Monoid + tranche-2 multiplicative-Monoid + annihilator (rust + python).
-//! **Python L1/L2 (release-minimum):** rung-5 full-law roster python transport receipts,
-//! worksheet-B falsification probes (runtime reject / parse fail / value mismatch), and
-//! `scripts/v4-nat-semiring-python-runtime-gate.sh` for emitted-fixture execution.
-//! Behavior receipts: MVP-2 emit-vs-eval `Pass` per law×target plus L2 Rust/Python/Go host
-//! execution for six nat-semiring law-gated fixtures, followed by law-derived five-byte MVP-2
-//! stdout parity via `emit_host_bridge` (not a `.dag` TestClaim until emit pipeline wires law
-//! subjects into host transport).
-//! **Go L1 (+0 paths, release-minimum):** `go_l1_nat_semiring_rung2` compiler-slice substrate
-//! claim parse surface + `scripts/v4-nat-semiring-go-compiler-slice-gate.sh` (structured
-//! JSON receipt; chained from rung gate after R2-go-compile). SG-0 + INVARIANTS §P5(b) in PR body.
-//! **PR #4285 Go L1 strict setup (+0 SG-0 paths):** same-path assertion-list expansion pins
-//! `V4_NAT_SEMIRING_GO_COMPILER_SLICE_GATE_STRICT=1` fail-closed setup behavior when `go` /
-//! `gofmt` are absent. Explicit P5 deferral remains ROADMAP T-PB-B /
-//! `pb_rust_tests_outside_residual_zero`; retire this host-process setup probe when `.dag`
-//! `TestClaim` execution or a generated harness owns strict child-gate toolchain setup receipts.
-//! **PR #4222 L1 fixture coverage (+0 SG-0 paths):** same-path assertion-list expansion pins
-//! `rung_l1_python_runtime.dag` coverage + six per-law Python runtime claim rows. Explicit P5
-//! deferral remains T-PB-B / T-22: retire this host parse-surface probe when `.dag` TestClaim
-//! execution or a generated harness owns the L1 Python runtime fixture coverage roster.
-//! Substrate rows stay `Deferred` until T-22 dispatch. Dissolution: **ROADMAP.md** T-PB-B /
-//! gunbc#4757/gunbc#4765; delete these hand-authored per-target snippets when generated
-//! `TestClaimRun` host transport materializes the six rung-5 law subjects for Rust/Python/Go.
-//!
-//! **TESTING.md:** substrate `.dag` models receipt assembly; behavior tests exercise
-//! `tools/emit_host_runner` / `emit_host_bridge` (real cargo + run).
-
-use v3_compiler::emit_host_bridge;
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_surface::{SurfaceItem, SurfaceVariant};
-use v3_compiler::tokenize_for_test;
-
-const EMIT_HOST_DAG: &str = include_str!("../../../../v4/compiler/emit_host.dag");
-const EMIT_HOST_PATH: &str = "src/v4/compiler/emit_host.dag";
-const HOST_RUN_DAG: &str = include_str!("../../../../v4/std/host_run.dag");
-const HOST_RUN_PATH: &str = "src/v4/std/host_run.dag";
-const FALSIFICATION_DAG: &str = include_str!("../../../../v4/std/test_claim_falsification.dag");
-const FALSIFICATION_PATH: &str = "src/v4/std/test_claim_falsification.dag";
-const NAT_SEMIRING_RUNG34_EVAL_DAG: &str =
-    include_str!("../../../../v4/test/claim/workflow/nat_semiring_rung34_eval.dag");
-const NAT_SEMIRING_RUNG34_EVAL_PATH: &str =
-    "src/v4/test/claim/workflow/nat_semiring_rung34_eval.dag";
-const NAT_SEMIRING_RUNG_3_4_DAG: &str =
-    include_str!("../../../../v4/test/claim/nat_semiring/rung_3_4.dag");
-const NAT_SEMIRING_RUNG_3_4_PATH: &str = "src/v4/test/claim/nat_semiring/rung_3_4.dag";
-const NAT_SEMIRING_RUNG_5_DAG: &str =
-    include_str!("../../../../v4/test/claim/nat_semiring/rung_5.dag");
-const NAT_SEMIRING_RUNG_5_PATH: &str = "src/v4/test/claim/nat_semiring/rung_5.dag";
-const NAT_SEMIRING_RUNG_L1_PYTHON_RUNTIME_DAG: &str =
-    include_str!("../../../../v4/test/claim/nat_semiring/rung_l1_python_runtime.dag");
-const NAT_SEMIRING_RUNG_L1_PYTHON_RUNTIME_PATH: &str =
-    "src/v4/test/claim/nat_semiring/rung_l1_python_runtime.dag";
-const NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_DAG: &str =
-    include_str!("../../../../v4/test/claim/nat_semiring/rung_l1_go_compiler_slice.dag");
-const NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH: &str =
-    "src/v4/test/claim/nat_semiring/rung_l1_go_compiler_slice.dag";
-const NAT_SEMIRING_RUNG5_EVAL_DAG: &str =
-    include_str!("../../../../v4/test/claim/workflow/nat_semiring_rung5_eval.dag");
-const NAT_SEMIRING_RUNG5_EVAL_PATH: &str = "src/v4/test/claim/workflow/nat_semiring_rung5_eval.dag";
-const NAT_SEMIRING_RUNG_6_DAG: &str =
-    include_str!("../../../../v4/test/claim/nat_semiring/rung_6.dag");
-const NAT_SEMIRING_RUNG_6_PATH: &str = "src/v4/test/claim/nat_semiring/rung_6.dag";
-const NAT_SEMIRING_RUNG56_EVAL_DAG: &str =
-    include_str!("../../../../v4/test/claim/workflow/nat_semiring_rung56_eval.dag");
-const NAT_SEMIRING_RUNG56_EVAL_PATH: &str =
-    "src/v4/test/claim/workflow/nat_semiring_rung56_eval.dag";
-const RUNG_5_6_COMMON_DAG: &str = include_str!("../../../../v4/test/claim/rung_5_6_common.dag");
-const RUNG_5_6_COMMON_PATH: &str = "src/v4/test/claim/rung_5_6_common.dag";
-const NAT_SEMIRING_RUNG_8_DAG: &str =
-    include_str!("../../../../v4/test/claim/nat_semiring/rung_8.dag");
-const NAT_SEMIRING_RUNG_8_PATH: &str = "src/v4/test/claim/nat_semiring/rung_8.dag";
-const NAT_SEMIRING_RUNG8_EVAL_DAG: &str =
-    include_str!("../../../../v4/test/claim/workflow/nat_semiring_rung8_eval.dag");
-const NAT_SEMIRING_RUNG8_EVAL_PATH: &str = "src/v4/test/claim/workflow/nat_semiring_rung8_eval.dag";
-const LOOP_LINEAR_BOUND_RUNG_8_DAG: &str =
-    include_str!("../../../../v4/test/claim/loop_linear_bound/rung_8.dag");
-const LOOP_LINEAR_BOUND_RUNG_8_PATH: &str = "src/v4/test/claim/loop_linear_bound/rung_8.dag";
-const LOOP_LINEAR_BOUND_RUNG8_EVAL_DAG: &str =
-    include_str!("../../../../v4/test/claim/workflow/loop_linear_bound_rung8_eval.dag");
-const LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH: &str =
-    "src/v4/test/claim/workflow/loop_linear_bound_rung8_eval.dag";
-const BRANCH_DISPATCH_RUNG_8_DAG: &str =
-    include_str!("../../../../v4/test/claim/branch_dispatch/rung_8.dag");
-const BRANCH_DISPATCH_RUNG_8_PATH: &str = "src/v4/test/claim/branch_dispatch/rung_8.dag";
-const BRANCH_DISPATCH_RUNG8_EVAL_DAG: &str =
-    include_str!("../../../../v4/test/claim/workflow/branch_dispatch_rung8_eval.dag");
-const BRANCH_DISPATCH_RUNG8_EVAL_PATH: &str =
-    "src/v4/test/claim/workflow/branch_dispatch_rung8_eval.dag";
-
-/// Minimal python host fixture: five stdout bytes (MVP runtime value `5` alignment).
-const EMIT_HOST_PYTHON_FIXTURE_SOURCE: &str = "import sys\nsys.stdout.buffer.write(b'\\x00' * 5)\n";
-
-/// Worksheet-B F1: py_compile accepts; CPython rejects at execution (NameError).
-const PYTHON_FIXTURE_RUNTIME_REJECTED: &str = "raise NameError(\"probe F1 runtime rejected\")\n";
-
-/// Worksheet-B F2: exit 0 but stdout not parseable as MVP-2 runtime value.
-const PYTHON_FIXTURE_UNPARSABLE_STDOUT: &str =
-    "import sys\nsys.stdout.buffer.write(b'\\x00\\x00\\x00')\n";
-
-/// Worksheet-B F3: exit 0, parseable length, wrong runtime bytes.
-const PYTHON_FIXTURE_VALUE_MISMATCH: &str =
-    "import sys\nsys.stdout.buffer.write(b'\\x01\\x02\\x03\\x04\\x05')\n";
-
-/// Minimal go host fixture: five stdout bytes (MVP runtime value `5` alignment).
-const EMIT_HOST_GO_FIXTURE_SOURCE: &str =
-    "package main\nimport \"os\"\nfunc main() { _, _ = os.Stdout.Write(make([]byte, 5)) }\n";
-
-/// Minimal fixture: five stdout bytes (MVP runtime value `5` alignment).
-const EMIT_HOST_FIXTURE_SOURCE: &str =
-    "fn main() { let _ = std::io::Write::write_all(&mut std::io::stdout(), &[0u8; 5]); }";
-
-#[derive(Clone, Copy)]
-struct NatSemiringCrossTargetFixture {
-    law: &'static str,
-    rust_source: &'static str,
-    python_source: &'static str,
-    go_source: &'static str,
-}
-
-const NAT_SEMIRING_CROSS_TARGET_FIXTURES: &[NatSemiringCrossTargetFixture] = &[
-    NatSemiringCrossTargetFixture {
-        law: "add_left_identity",
-        rust_source: "fn main() { let n: u8 = 7; let lhs = 0 + n; let rhs = n; assert_eq!(lhs, rhs); let _ = std::io::Write::write_all(&mut std::io::stdout(), &[1, lhs, rhs, 0, n]); }",
-        python_source: "import sys\nn = 7\nlhs = 0 + n\nrhs = n\nassert lhs == rhs\nsys.stdout.buffer.write(bytes([1, lhs, rhs, 0, n]))\n",
-        go_source: "package main\nimport \"os\"\nfunc main() { var n byte = 7; lhs := 0 + n; rhs := n; if lhs != rhs { panic(\"add_left_identity\") }; _, _ = os.Stdout.Write([]byte{1, lhs, rhs, 0, n}) }\n",
-    },
-    NatSemiringCrossTargetFixture {
-        law: "add_right_identity",
-        rust_source: "fn main() { let n: u8 = 7; let lhs = n + 0; let rhs = n; assert_eq!(lhs, rhs); let _ = std::io::Write::write_all(&mut std::io::stdout(), &[2, lhs, rhs, n, 0]); }",
-        python_source: "import sys\nn = 7\nlhs = n + 0\nrhs = n\nassert lhs == rhs\nsys.stdout.buffer.write(bytes([2, lhs, rhs, n, 0]))\n",
-        go_source: "package main\nimport \"os\"\nfunc main() { var n byte = 7; lhs := n + 0; rhs := n; if lhs != rhs { panic(\"add_right_identity\") }; _, _ = os.Stdout.Write([]byte{2, lhs, rhs, n, 0}) }\n",
-    },
-    NatSemiringCrossTargetFixture {
-        law: "add_associativity",
-        rust_source: "fn main() { let a: u8 = 2; let b: u8 = 3; let c: u8 = 5; let lhs = (a + b) + c; let rhs = a + (b + c); assert_eq!(lhs, rhs); let _ = std::io::Write::write_all(&mut std::io::stdout(), &[3, lhs, rhs, a, c]); }",
-        python_source: "import sys\na = 2\nb = 3\nc = 5\nlhs = (a + b) + c\nrhs = a + (b + c)\nassert lhs == rhs\nsys.stdout.buffer.write(bytes([3, lhs, rhs, a, c]))\n",
-        go_source: "package main\nimport \"os\"\nfunc main() { var a byte = 2; var b byte = 3; var c byte = 5; lhs := (a + b) + c; rhs := a + (b + c); if lhs != rhs { panic(\"add_associativity\") }; _, _ = os.Stdout.Write([]byte{3, lhs, rhs, a, c}) }\n",
-    },
-    NatSemiringCrossTargetFixture {
-        law: "mul_left_identity",
-        rust_source: "fn main() { let n: u8 = 7; let lhs = 1 * n; let rhs = n; assert_eq!(lhs, rhs); let _ = std::io::Write::write_all(&mut std::io::stdout(), &[4, lhs, rhs, 1, n]); }",
-        python_source: "import sys\nn = 7\nlhs = 1 * n\nrhs = n\nassert lhs == rhs\nsys.stdout.buffer.write(bytes([4, lhs, rhs, 1, n]))\n",
-        go_source: "package main\nimport \"os\"\nfunc main() { var n byte = 7; lhs := 1 * n; rhs := n; if lhs != rhs { panic(\"mul_left_identity\") }; _, _ = os.Stdout.Write([]byte{4, lhs, rhs, 1, n}) }\n",
-    },
-    NatSemiringCrossTargetFixture {
-        law: "mul_annihilator",
-        rust_source: "fn main() { let n: u8 = 7; let lhs = 0 * n; let rhs = 0; assert_eq!(lhs, rhs); let _ = std::io::Write::write_all(&mut std::io::stdout(), &[5, lhs, rhs, 0, n]); }",
-        python_source: "import sys\nn = 7\nlhs = 0 * n\nrhs = 0\nassert lhs == rhs\nsys.stdout.buffer.write(bytes([5, lhs, rhs, 0, n]))\n",
-        go_source: "package main\nimport \"os\"\nfunc main() { var n byte = 7; lhs := 0 * n; var rhs byte = 0; if lhs != rhs { panic(\"mul_annihilator\") }; _, _ = os.Stdout.Write([]byte{5, lhs, rhs, 0, n}) }\n",
-    },
-    NatSemiringCrossTargetFixture {
-        law: "mul_associativity",
-        rust_source: "fn main() { let a: u8 = 2; let b: u8 = 3; let c: u8 = 5; let lhs = (a * b) * c; let rhs = a * (b * c); assert_eq!(lhs, rhs); let _ = std::io::Write::write_all(&mut std::io::stdout(), &[6, lhs, rhs, a, c]); }",
-        python_source: "import sys\na = 2\nb = 3\nc = 5\nlhs = (a * b) * c\nrhs = a * (b * c)\nassert lhs == rhs\nsys.stdout.buffer.write(bytes([6, lhs, rhs, a, c]))\n",
-        go_source: "package main\nimport \"os\"\nfunc main() { var a byte = 2; var b byte = 3; var c byte = 5; lhs := (a * b) * c; rhs := a * (b * c); if lhs != rhs { panic(\"mul_associativity\") }; _, _ = os.Stdout.Write([]byte{6, lhs, rhs, a, c}) }\n",
-    },
-];
-
-fn parse_module(source: &str, path: &str) -> v3_compiler::parse_surface::SurfaceModule {
-    let tokens =
-        tokenize_for_test(source, path).unwrap_or_else(|e| panic!("{path}: tokenize: {e:?}"));
-    parse_for_test(&tokens, path).unwrap_or_else(|e| panic!("{path}: parse: {e:?}"))
-}
-
-fn surface_declares_fn(module: &v3_compiler::parse_surface::SurfaceModule, name: &str) -> bool {
-    module.items.iter().any(|item| match item {
-        SurfaceItem::Fn {
-            name: item_name, ..
-        }
-        | SurfaceItem::FnExternalBody {
-            name: item_name, ..
-        } => item_name == name,
-        _ => false,
-    })
-}
-
-fn surface_declares_data(module: &v3_compiler::parse_surface::SurfaceModule, name: &str) -> bool {
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::Data { name: decl_name, .. } if decl_name == name
-        )
-    })
-}
-
-fn surface_imports_name(
-    module: &v3_compiler::parse_surface::SurfaceModule,
-    path: &[&str],
-    name: &str,
-) -> bool {
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::Import { path: import_path, names, .. }
-                if import_path == path && names.iter().any(|n| n == name)
-        )
-    })
-}
-
-fn surface_declares_type(module: &v3_compiler::parse_surface::SurfaceModule, name: &str) -> bool {
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::TypeSum { name: decl_name, .. }
-                | SurfaceItem::TypeRecord { name: decl_name, .. }
-                | SurfaceItem::TypeAlias { name: decl_name, .. }
-                | SurfaceItem::TypeAtom { name: decl_name, .. }
-                if decl_name == name
-        )
-    })
-}
-
-fn type_record_field_names(
-    module: &v3_compiler::parse_surface::SurfaceModule,
-    type_name: &str,
-) -> Vec<String> {
-    module
-        .items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::TypeRecord { name, fields, .. } if name == type_name => Some(
-                fields
-                    .iter()
-                    .map(|field| field.name.clone())
-                    .collect::<Vec<_>>(),
-            ),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("{type_name}: missing type record"))
-}
-
-fn type_sum_variant<'a>(
-    module: &'a v3_compiler::parse_surface::SurfaceModule,
-    type_name: &str,
-    variant_name: &str,
-) -> &'a SurfaceVariant {
-    module
-        .items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::TypeSum { name, variants, .. } if name == type_name => {
-                variants.iter().find(|variant| variant.name == variant_name)
-            }
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("missing `{type_name}.{variant_name}` variant"))
-}
-
-/// Nat-semiring / branch_dispatch rung-4 row uses the same MVP-2 eval pins; one transport proof
-/// covers both fixtures until per-fixture emit lands.
-#[test]
-fn nat_semiring_rung4_emit_vs_eval_wired_transport_passes() {
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_nat_semiring_rung4_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "phase1_nat_semiring_claim_input".to_string(),
-        expected_eval_root: "phase1_nat_semiring_expected_eval".to_string(),
-    };
-    let verdict = emit_host_bridge::run_emit_vs_eval_mvp2_transport(
-        EMIT_HOST_FIXTURE_SOURCE,
-        &inputs,
-        &work_dir,
-        emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES,
-    )
-    .expect("run_emit_vs_eval_mvp2_transport");
-    assert_eq!(verdict, emit_host_bridge::EmitHostEmitVsEvalVerdict::Pass);
-}
-
-#[test]
-fn nat_semiring_rung4_emit_vs_eval_falsification_on_host_value_mismatch() {
-    const MISMATCH_SOURCE: &str =
-        "fn main() { let _ = std::io::Write::write_all(&mut std::io::stdout(), &[1,2,3,4,5]); }";
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_nat_semiring_rung4_fail_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "phase1_nat_semiring_claim_input".to_string(),
-        expected_eval_root: "phase1_nat_semiring_expected_eval".to_string(),
-    };
-    let verdict = emit_host_bridge::run_emit_vs_eval_mvp2_transport(
-        MISMATCH_SOURCE,
-        &inputs,
-        &work_dir,
-        emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES,
-    )
-    .expect("run_emit_vs_eval_mvp2_transport");
-    assert!(
-        matches!(
-            verdict,
-            emit_host_bridge::EmitHostEmitVsEvalVerdict::FailValueMismatch { .. }
-        ),
-        "expected structured Fail with Host receipt evidence, got {verdict:?}"
-    );
-}
-
-/// Tranche-1 bridge receipt only: same MVP-2 fixture per target (five-byte stdout), not per-law emit.
-/// `claim_input_root` pins the roster row's law subject symbol until emit wires law bodies; test names
-/// mirror `.dag` row ids (`run_phase1_nat_semiring_rung6_*`) — they do not yet prove law semantics.
-fn assert_rung6_mvp2_emit_vs_eval_pass(
-    work_dir_prefix: &str,
-    claim_input_root: &str,
-    run_transport: fn(
-        &str,
-        &emit_host_runner::EmitHostFixtureInputs,
-        &std::path::Path,
-        [u8; 5],
-    ) -> Result<
-        emit_host_bridge::EmitHostEmitVsEvalVerdict,
-        emit_host_runner::HostSetupFailure,
-    >,
-    emitted_source: &str,
-) {
-    let work_dir =
-        emit_host_runner::default_work_dir(&format!("{work_dir_prefix}_{}", std::process::id()));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: claim_input_root.to_string(),
-        expected_eval_root: "phase1_nat_semiring_rung6_expected_eval".to_string(),
-    };
-    let verdict = run_transport(
-        emitted_source,
-        &inputs,
-        &work_dir,
-        emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES,
-    )
-    .expect("emit_vs_eval transport");
-    assert_eq!(verdict, emit_host_bridge::EmitHostEmitVsEvalVerdict::Pass);
-}
-
-/// Roster-row receipt (law pin + rust transport); MVP-2 stdout only — see `assert_rung6_mvp2_emit_vs_eval_pass`.
-#[test]
-fn nat_semiring_rung6_rust_add_left_identity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_rust_left_id",
-        "nat_add_left_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_transport,
-        EMIT_HOST_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_rust_add_right_identity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_rust_right_id",
-        "nat_add_right_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_transport,
-        EMIT_HOST_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_rust_add_associativity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_rust_assoc",
-        "nat_add_associativity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_transport,
-        EMIT_HOST_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_python_add_left_identity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_py_left_id",
-        "nat_add_left_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_python_add_right_identity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_py_right_id",
-        "nat_add_right_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_python_add_associativity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_py_assoc",
-        "nat_add_associativity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_rust_mul_left_identity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_rust_mul_left_id",
-        "nat_mul_left_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_transport,
-        EMIT_HOST_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_rust_mul_associativity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_rust_mul_assoc",
-        "nat_mul_associativity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_transport,
-        EMIT_HOST_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_rust_mul_annihilator_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_rust_mul_ann",
-        "nat_mul_annihilator_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_transport,
-        EMIT_HOST_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_python_mul_left_identity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_py_mul_left_id",
-        "nat_mul_left_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_python_mul_associativity_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_py_mul_assoc",
-        "nat_mul_associativity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung6_python_mul_annihilator_emit_vs_eval_transport_passes() {
-    assert_rung6_mvp2_emit_vs_eval_pass(
-        "gunbc_rung6_py_mul_ann",
-        "nat_mul_annihilator_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-/// Rung-5 full-law roster: same MVP-2 python transport contract as rung-6 rows.
-fn assert_rung5_mvp2_emit_vs_eval_pass(
-    work_dir_prefix: &str,
-    claim_input_root: &str,
-    run_transport: fn(
-        &str,
-        &emit_host_runner::EmitHostFixtureInputs,
-        &std::path::Path,
-        [u8; 5],
-    ) -> Result<
-        emit_host_bridge::EmitHostEmitVsEvalVerdict,
-        emit_host_runner::HostSetupFailure,
-    >,
-    emitted_source: &str,
-) {
-    let work_dir =
-        emit_host_runner::default_work_dir(&format!("{work_dir_prefix}_{}", std::process::id()));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: claim_input_root.to_string(),
-        expected_eval_root: "phase1_nat_semiring_rung5_expected_eval".to_string(),
-    };
-    let verdict = run_transport(
-        emitted_source,
-        &inputs,
-        &work_dir,
-        emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES,
-    )
-    .expect("emit_vs_eval transport");
-    assert_eq!(verdict, emit_host_bridge::EmitHostEmitVsEvalVerdict::Pass);
-}
-
-#[test]
-fn nat_semiring_rung5_python_add_left_identity_emit_vs_eval_transport_passes() {
-    assert_rung5_mvp2_emit_vs_eval_pass(
-        "gunbc_rung5_py_left_id",
-        "nat_add_left_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung5_python_add_right_identity_emit_vs_eval_transport_passes() {
-    assert_rung5_mvp2_emit_vs_eval_pass(
-        "gunbc_rung5_py_right_id",
-        "nat_add_right_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung5_python_add_associativity_emit_vs_eval_transport_passes() {
-    assert_rung5_mvp2_emit_vs_eval_pass(
-        "gunbc_rung5_py_assoc",
-        "nat_add_associativity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung5_python_mul_left_identity_emit_vs_eval_transport_passes() {
-    assert_rung5_mvp2_emit_vs_eval_pass(
-        "gunbc_rung5_py_mul_left_id",
-        "nat_mul_left_identity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung5_python_mul_associativity_emit_vs_eval_transport_passes() {
-    assert_rung5_mvp2_emit_vs_eval_pass(
-        "gunbc_rung5_py_mul_assoc",
-        "nat_mul_associativity_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn nat_semiring_rung5_python_mul_annihilator_emit_vs_eval_transport_passes() {
-    assert_rung5_mvp2_emit_vs_eval_pass(
-        "gunbc_rung5_py_mul_ann",
-        "nat_mul_annihilator_input",
-        emit_host_bridge::run_emit_vs_eval_mvp2_python_transport,
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-    );
-}
-
-#[test]
-fn python_emit_vs_eval_transport_fails_host_exit_on_runtime_rejection() {
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_py_runtime_reject_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "probe_f1_claim_input".to_string(),
-        expected_eval_root: "probe_f1_expected_eval".to_string(),
-    };
-    let verdict = emit_host_bridge::run_emit_vs_eval_mvp2_python_transport(
-        PYTHON_FIXTURE_RUNTIME_REJECTED,
-        &inputs,
-        &work_dir,
-        emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES,
-    )
-    .expect("transport setup");
-    assert!(
-        matches!(
-            verdict,
-            emit_host_bridge::EmitHostEmitVsEvalVerdict::FailHostExit { .. }
-        ),
-        "F1: compile-ok runtime NameError must yield FailHostExit with receipt, got {verdict:?}"
-    );
-}
-
-#[test]
-fn python_emit_vs_eval_transport_fails_parse_on_unparsable_stdout() {
-    let work_dir =
-        emit_host_runner::default_work_dir(&format!("gunbc_py_parse_fail_{}", std::process::id()));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "probe_f2_claim_input".to_string(),
-        expected_eval_root: "probe_f2_expected_eval".to_string(),
-    };
-    let verdict = emit_host_bridge::run_emit_vs_eval_mvp2_python_transport(
-        PYTHON_FIXTURE_UNPARSABLE_STDOUT,
-        &inputs,
-        &work_dir,
-        emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES,
-    )
-    .expect("transport setup");
-    assert!(
-        matches!(
-            verdict,
-            emit_host_bridge::EmitHostEmitVsEvalVerdict::FailParse { .. }
-        ),
-        "F2: exit-0 unparsable stdout must yield FailParse, got {verdict:?}"
-    );
-}
-
-#[test]
-fn python_emit_vs_eval_transport_fails_on_runtime_value_mismatch() {
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_py_value_mismatch_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "probe_f3_claim_input".to_string(),
-        expected_eval_root: "probe_f3_expected_eval".to_string(),
-    };
-    let verdict = emit_host_bridge::run_emit_vs_eval_mvp2_python_transport(
-        PYTHON_FIXTURE_VALUE_MISMATCH,
-        &inputs,
-        &work_dir,
-        emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES,
-    )
-    .expect("transport setup");
-    match verdict {
-        emit_host_bridge::EmitHostEmitVsEvalVerdict::FailValueMismatch {
-            host_receipt,
-            host_stdout,
-            expected_bytes,
-        } => {
-            assert!(emit_host_bridge::host_exit_holds(&host_receipt.exit));
-            assert_eq!(host_stdout, [1, 2, 3, 4, 5]);
-            assert_eq!(
-                expected_bytes,
-                emit_host_bridge::MVP2_RUNTIME_VALUE_FIVE_BYTES
-            );
-        }
-        other => panic!("F3: expected FailValueMismatch with Host evidence, got {other:?}"),
-    }
-}
-
-#[test]
-fn v4_nat_semiring_rung_l1_python_runtime_dag_tokenizes_and_parses_claim_row() {
-    let module = parse_module(
-        NAT_SEMIRING_RUNG_L1_PYTHON_RUNTIME_DAG,
-        NAT_SEMIRING_RUNG_L1_PYTHON_RUNTIME_PATH,
-    );
-    for row in [
-        "claim_phase1_nat_semiring_l1_python_runtime_fixture_coverage",
-        "claim_phase1_nat_semiring_l1_python_runtime_add_left_identity_exec",
-        "claim_phase1_nat_semiring_l1_python_runtime_add_right_identity_exec",
-        "claim_phase1_nat_semiring_l1_python_runtime_add_associativity_exec",
-        "claim_phase1_nat_semiring_l1_python_runtime_mul_left_identity_exec",
-        "claim_phase1_nat_semiring_l1_python_runtime_mul_annihilator_exec",
-        "claim_phase1_nat_semiring_l1_python_runtime_mul_associativity_exec",
-    ] {
-        assert!(
-            surface_declares_data(&module, row),
-            "{NAT_SEMIRING_RUNG_L1_PYTHON_RUNTIME_PATH}: missing L1 python runtime claim row {row}"
-        );
-    }
-    assert!(
-        surface_declares_data(&module, "phase1_nat_semiring_l1_python_runtime_claim_rows"),
-        "{NAT_SEMIRING_RUNG_L1_PYTHON_RUNTIME_PATH}: L1 claim roster"
-    );
-}
-
-#[test]
-fn v4_nat_semiring_rung_l1_go_compiler_slice_dag_tokenizes_and_parses_claim_row() {
-    let module = parse_module(
-        NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_DAG,
-        NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH,
-    );
-    assert!(
-        surface_declares_data(&module, "go_l1_nat_semiring_rung2"),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: canonical slice id symbol"
-    );
-    assert!(
-        surface_declares_data(&module, "go_l1_nat_semiring_rung2_l1_host_gate"),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: L1 host gate path"
-    );
-    assert!(
-        surface_declares_data(&module, "go_l1_nat_semiring_rung2_l1_receipt_schema"),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: L1 JSON receipt schema"
-    );
-    assert!(
-        surface_declares_data(&module, "phase1_l1_go_compiler_slice_subject_slice_binding"),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: slice id bound on receipt subject"
-    );
-    assert!(
-        NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_DAG.contains(
-            "scripts/v4-nat-semiring-go-compiler-slice-gate.sh::go_l1_compiler_slice_receipt_v1"
-        ),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: receipt schema must match host transport"
-    );
-    assert!(
-        surface_declares_data(&module, "phase1_nat_semiring_l1_go_compiler_slice_subject"),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: Conj receipt subject carrier"
-    );
-    assert!(
-        surface_declares_data(
-            &module,
-            "claim_phase1_nat_semiring_l1_go_compiler_slice_compile"
-        ),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: L1 go compiler-slice claim"
-    );
-    assert!(
-        surface_declares_data(
-            &module,
-            "phase1_nat_semiring_l1_go_compiler_slice_claim_rows"
-        ),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: L1 claim roster"
-    );
-    assert!(
-        NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_DAG.contains("input: phase1_nat_semiring_l1_go_compiler_slice_subject")
-            && NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_DAG
-                .contains("target: phase1_l1_go_compiler_slice_subject_slice_binding"),
-        "{NAT_SEMIRING_RUNG_L1_GO_COMPILER_SLICE_PATH}: CompilesClaim must reference structural slice binding"
-    );
-}
-
-#[test]
-fn v4_nat_semiring_l1_go_compiler_slice_strict_missing_go_fails_closed() {
-    use std::io::Write;
-    use std::os::unix::fs::PermissionsExt;
-
-    let repo_root = std::path::Path::new(env!("CARGO_MANIFEST_DIR"))
-        .join("../../..")
-        .canonicalize()
-        .expect("canonical repo root");
-    let tmp = std::env::temp_dir().join(format!(
-        "v4_go_l1_strict_missing_toolchain_{}",
-        std::process::id()
-    ));
-    let fake_bin = tmp.join("bin");
-    let _ = std::fs::remove_dir_all(&tmp);
-    std::fs::create_dir_all(&fake_bin).expect("create fake bin");
-
-    for tool in ["python3", "rustc"] {
-        let path = fake_bin.join(tool);
-        let mut file = std::fs::File::create(&path).expect("create fake host tool");
-        file.write_all(b"#!/bin/sh\nexit 0\n")
-            .expect("write fake host tool");
-        let mut perms = std::fs::metadata(&path)
-            .expect("fake tool metadata")
-            .permissions();
-        perms.set_mode(0o755);
-        std::fs::set_permissions(&path, perms).expect("chmod fake host tool");
-    }
-
-    let output = std::process::Command::new("/bin/bash")
-        .arg("scripts/v4-nat-semiring-rung-gate.sh")
-        .current_dir(&repo_root)
-        .env("PATH", &fake_bin)
-        .env("V2_COMPILER", "/bin/true")
-        .env("V4_NAT_SEMIRING_RUNG_GATE_STRICT", "0")
-        .env("V4_NAT_SEMIRING_GO_COMPILER_SLICE_GATE_STRICT", "1")
-        .output()
-        .expect("run nat_semiring rung gate");
-    let stderr = String::from_utf8_lossy(&output.stderr);
-    let stdout = String::from_utf8_lossy(&output.stdout);
-    let _ = std::fs::remove_dir_all(&tmp);
-
-    assert_eq!(
-        output.status.code(),
-        Some(2),
-        "Go L1 strict setup must fail closed when go/gofmt are unavailable; stdout:\n{stdout}\nstderr:\n{stderr}"
-    );
-    assert!(
-        stderr.contains("required host toolchain(s) missing")
-            && stderr.contains("go")
-            && stderr.contains("gofmt"),
-        "expected missing go/gofmt setup diagnostic; stdout:\n{stdout}\nstderr:\n{stderr}"
-    );
-}
-
-#[test]
-fn emit_host_bridge_rust_transport_builds_runs_and_parses_stdout() {
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_emit_host_bridge_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "w3_bridge_claim_input".to_string(),
-        expected_eval_root: "w3_bridge_expected_eval".to_string(),
-    };
-    let receipt = emit_host_bridge::run_emit_host_rust_transport(
-        EMIT_HOST_FIXTURE_SOURCE,
-        &inputs,
-        &work_dir,
-    )
-    .expect("run_emit_host_rust_transport");
-    assert!(
-        emit_host_bridge::host_exit_holds(&receipt.exit),
-        "expected Holds exit, got {:?}",
-        receipt.exit
-    );
-    let stdout = emit_host_bridge::host_stdout_bytes(&receipt.exit, receipt.stdout_bytes.clone())
-        .expect("logical stdout");
-    emit_host_runner::runtime_value_parse_rust(&stdout).expect("parse five-byte stdout");
-}
-
-#[test]
-fn emit_host_runner_rust_row_builds_runs_and_parses_stdout() {
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_v4_emit_host_harness_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "w2_harness_claim_input".to_string(),
-        expected_eval_root: "w2_harness_expected_eval".to_string(),
-    };
-    let receipt = emit_host_runner::run_emit_host_rust(
-        EMIT_HOST_FIXTURE_SOURCE,
-        &inputs.transport(),
-        &work_dir,
-    )
-    .expect("run_emit_host_rust");
-    assert!(
-        receipt.exit.exit_holds(),
-        "expected successful host exit (Holds witness), got {:?}",
-        receipt.exit
-    );
-    assert!(
-        emit_host_runner::host_logical_run_from_exit(&receipt.exit, receipt.stdout_bytes.clone())
-            .is_some(),
-        "logical_run projection requires Holds exit"
-    );
-    emit_host_runner::runtime_value_parse_rust(&receipt.stdout_bytes)
-        .expect("runtime_value_parse_rust on fixture stdout");
-}
-
-#[test]
-fn v4_host_run_dag_tokenizes_and_parses_logical_run_carrier() {
-    let module = parse_module(HOST_RUN_DAG, HOST_RUN_PATH);
-    assert!(
-        surface_declares_type(&module, "HostRunStdout"),
-        "{HOST_RUN_PATH}: HostRunStdout carrier"
-    );
-    assert!(
-        surface_declares_type(&module, "HostLogicalRun"),
-        "{HOST_RUN_PATH}: HostLogicalRun carrier"
-    );
-    assert_eq!(
-        type_record_field_names(&module, "HostLogicalRun"),
-        vec!["stdout".to_string()],
-        "{HOST_RUN_PATH}: success-only logical run (no nested Witness)"
-    );
-    assert!(
-        surface_declares_fn(&module, "host_logical_run_from_exit"),
-        "{HOST_RUN_PATH}: host_logical_run_from_exit"
-    );
-}
-
-#[test]
-fn v4_falsification_dag_tokenizes_and_parses_execution_evidence() {
-    let module = parse_module(FALSIFICATION_DAG, FALSIFICATION_PATH);
-    assert!(
-        surface_declares_type(&module, "FalsificationReceipt"),
-        "{FALSIFICATION_PATH}: FalsificationReceipt"
-    );
-    let receipt_fields = type_record_field_names(&module, "FalsificationReceipt");
-    assert!(
-        receipt_fields.contains(&"subject".to_string()),
-        "{FALSIFICATION_PATH}: FalsificationReceipt.subject"
-    );
-    for variant in ["Host", "Interpreter", "EvidenceNone"] {
-        let _ = type_sum_variant(&module, "ExecutionEvidence", variant);
-    }
-}
-
-#[test]
-fn v4_emit_host_dag_tokenizes_and_parses_fail_closed_surface() {
-    let module = parse_module(EMIT_HOST_DAG, EMIT_HOST_PATH);
-    for name in [
-        "run_emit_host_rust",
-        "run_emit_host_python",
-        "run_emit_host_go",
-        "run_emit_host",
-        "runtime_value_parse_python",
-        "runtime_value_parse_go",
-        "host_exit_failure_outcome",
-        "run_test_claim_emit_vs_eval_for_claim",
-        "run_test_claim_emit_vs_eval",
-    ] {
-        assert!(
-            surface_declares_fn(&module, name),
-            "{EMIT_HOST_PATH}: missing fn {name}"
-        );
-    }
-    assert!(
-        surface_declares_fn(&module, "emit_host_transport_not_wired_diagnostic"),
-        "{EMIT_HOST_PATH}: transport_not_wired diagnostic (fail-closed substrate row)"
-    );
-    assert!(
-        surface_declares_data(&module, "emit_host_transport_not_wired"),
-        "{EMIT_HOST_PATH}: transport_not_wired reason symbol"
-    );
-    assert!(
-        surface_imports_name(
-            &module,
-            &["v4", "extdeps", "languages", "python"],
-            "python_mvp1_source_text"
-        ),
-        "{EMIT_HOST_PATH}: python authority sourced from extdeps (gunbc#4674 step 1: no local pin copy)"
-    );
-    assert!(
-        surface_imports_name(
-            &module,
-            &["v4", "extdeps", "languages", "go"],
-            "go_mvp1_source_text"
-        ),
-        "{EMIT_HOST_PATH}: go authority sourced from extdeps (gunbc#4674 step 1: no local pin copy)"
-    );
-    assert!(
-        !surface_declares_data(&module, "emit_host_python_authority_pin")
-            && !surface_declares_data(&module, "emit_host_go_authority_pin")
-            && !surface_declares_data(&module, "emit_host_rust_authority_pin"),
-        "{EMIT_HOST_PATH}: local authority-pin copies must stay deleted (one fact, one place)"
-    );
-}
-
-#[test]
-fn v4_nat_semiring_rung_3_4_dag_tokenizes_and_parses_emit_vs_eval_row() {
-    let module = parse_module(NAT_SEMIRING_RUNG_3_4_DAG, NAT_SEMIRING_RUNG_3_4_PATH);
-    assert!(
-        module.items.iter().any(|item| matches!(
-            item,
-            SurfaceItem::Data { name, .. }
-                if name == "run_phase1_nat_semiring_rung4_rust_emit_equals_eval"
-        )),
-        "{NAT_SEMIRING_RUNG_3_4_PATH}: rung-4 TestClaimRun row (#4046 roster)"
-    );
-}
-
-#[test]
-fn emit_host_runtime_value_parse_rust_falsification_on_wrong_stdout_len() {
-    let err = emit_host_runner::runtime_value_parse_rust(&[0u8; 3])
-        .expect_err("three-byte stdout must fail parse");
-    assert!(
-        err.to_string().contains("expected 5"),
-        "structured parse failure: {err}"
-    );
-}
-
-#[test]
-fn v4_nat_semiring_rung_gate_dag_tokenizes_and_parses_populated_roster_gates() {
-    let module = parse_module(NAT_SEMIRING_RUNG34_EVAL_DAG, NAT_SEMIRING_RUNG34_EVAL_PATH);
-    for name in [
-        "nat_semiring_rung34_report_has_evidence",
-        "nat_semiring_rung3_gate",
-        "nat_semiring_rung4_gate",
-        "run_nat_semiring_rung34_eval",
-    ] {
-        assert!(
-            surface_declares_fn(&module, name),
-            "{NAT_SEMIRING_RUNG34_EVAL_PATH}: missing fn {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(&module, "nat_semiring_rung34_runtime_value_rows"),
-        "{NAT_SEMIRING_RUNG34_EVAL_PATH}: runtime roster carrier"
-    );
-    let rung_3_4 = parse_module(NAT_SEMIRING_RUNG_3_4_DAG, NAT_SEMIRING_RUNG_3_4_PATH);
-    assert!(
-        surface_declares_data(&rung_3_4, "run_phase1_nat_semiring_rung3_module_roundtrip"),
-        "{NAT_SEMIRING_RUNG_3_4_PATH}: rung-3 roster row (#4046)"
-    );
-    assert!(
-        surface_declares_data(
-            &rung_3_4,
-            "run_phase1_nat_semiring_rung4_rust_emit_equals_eval"
-        ),
-        "{NAT_SEMIRING_RUNG_3_4_PATH}: rung-4 roster row (#4046)"
-    );
-}
-
-#[test]
-fn v4_nat_semiring_rung8_dag_tokenizes_and_parses_full_law_roster() {
-    let rung_8 = parse_module(NAT_SEMIRING_RUNG_8_DAG, NAT_SEMIRING_RUNG_8_PATH);
-    for name in [
-        "run_claim_nat_add_left_identity",
-        "run_claim_nat_add_right_identity",
-        "run_claim_nat_add_associativity",
-        "run_claim_nat_mul_left_identity",
-        "run_claim_nat_mul_annihilator",
-        "run_claim_nat_mul_associativity",
-        "run_claim_nat_add_wrong_identity_falsifies_law",
-    ] {
-        assert!(
-            surface_declares_data(&rung_8, name),
-            "{NAT_SEMIRING_RUNG_8_PATH}: missing run row {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(&rung_8, "phase1_nat_semiring_rung8_runtime_value_rows"),
-        "{NAT_SEMIRING_RUNG_8_PATH}: runtime roster carrier (7 rows)"
-    );
-    assert!(
-        surface_declares_fn(&rung_8, "rung8_tier1_eval_run"),
-        "{NAT_SEMIRING_RUNG_8_PATH}: T-22 eval constructor must call run_test_claim"
-    );
-    assert!(
-        NAT_SEMIRING_RUNG_8_DAG.contains("run_test_claim("),
-        "{NAT_SEMIRING_RUNG_8_PATH}: roster rows must thread run_test_claim verdicts (not fabricated Pass)"
-    );
-
-    let eval_module = parse_module(NAT_SEMIRING_RUNG8_EVAL_DAG, NAT_SEMIRING_RUNG8_EVAL_PATH);
-    for name in [
-        "run_nat_semiring_rung8_eval",
-        "nat_semiring_rung8_gate",
-        "nat_semiring_rung8_zero_deferred",
-    ] {
-        assert!(
-            surface_declares_fn(&eval_module, name),
-            "{NAT_SEMIRING_RUNG8_EVAL_PATH}: missing fn {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(
-            &eval_module,
-            "witness_nat_semiring_rung8_zero_deferred_closed"
-        ),
-        "{NAT_SEMIRING_RUNG8_EVAL_PATH}: authoring-time zero-deferred witness (data binding)"
-    );
-    assert!(
-        NAT_SEMIRING_RUNG8_EVAL_DAG.contains("phase1_nat_semiring_rung8_runtime_value_rows"),
-        "{NAT_SEMIRING_RUNG8_EVAL_PATH}: CorpusEvalReport must consume rung-8 roster"
-    );
-    assert!(
-        NAT_SEMIRING_RUNG8_EVAL_DAG.contains("corpus_report_tally"),
-        "{NAT_SEMIRING_RUNG8_EVAL_PATH}: VerdictTally via corpus_report_tally"
-    );
-}
-
-#[test]
-fn v4_loop_linear_bound_rung8_dag_tokenizes_and_parses_full_fixture_roster() {
-    let rung_8 = parse_module(LOOP_LINEAR_BOUND_RUNG_8_DAG, LOOP_LINEAR_BOUND_RUNG_8_PATH);
-    for name in [
-        "run_claim_loop_linear_bound_well_formed",
-        "run_claim_loop_linear_bound_equals_refl",
-        "run_claim_loop_linear_bound_content_hash_stable",
-    ] {
-        assert!(
-            surface_declares_data(&rung_8, name),
-            "{LOOP_LINEAR_BOUND_RUNG_8_PATH}: missing run row {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(&rung_8, "phase4_loop_linear_bound_rung8_runtime_value_rows"),
-        "{LOOP_LINEAR_BOUND_RUNG_8_PATH}: runtime roster carrier (3 rows)"
-    );
-    assert!(
-        surface_declares_fn(&rung_8, "rung8_tier1_eval_run"),
-        "{LOOP_LINEAR_BOUND_RUNG_8_PATH}: T-22 eval constructor must call run_test_claim"
-    );
-    assert!(
-        LOOP_LINEAR_BOUND_RUNG_8_DAG.contains("run_test_claim("),
-        "{LOOP_LINEAR_BOUND_RUNG_8_PATH}: roster rows must thread run_test_claim verdicts (not fabricated Pass)"
-    );
-
-    let eval_module = parse_module(
-        LOOP_LINEAR_BOUND_RUNG8_EVAL_DAG,
-        LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH,
-    );
-    for name in [
-        "run_loop_linear_bound_rung8_eval",
-        "loop_linear_bound_rung8_gate",
-        "loop_linear_bound_rung8_zero_deferred",
-    ] {
-        assert!(
-            surface_declares_fn(&eval_module, name),
-            "{LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH}: missing fn {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(
-            &eval_module,
-            "witness_loop_linear_bound_rung8_zero_deferred_closed"
-        ),
-        "{LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH}: authoring-time closed witness (data binding)"
-    );
-    assert!(
-        LOOP_LINEAR_BOUND_RUNG8_EVAL_DAG.contains(
-            "witness_loop_linear_bound_rung8_zero_deferred_closed: Bool = loop_linear_bound_rung8_gate(report: run_loop_linear_bound_rung8_eval())"
-        ),
-        "{LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH}: closed witness must bind full gate (non-empty roster + zero deferred)"
-    );
-    assert!(
-        !LOOP_LINEAR_BOUND_RUNG8_EVAL_DAG.contains(
-            "witness_loop_linear_bound_rung8_zero_deferred_closed: Bool = loop_linear_bound_rung8_zero_deferred"
-        ),
-        "{LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH}: witness must not bypass gate via zero_deferred alone"
-    );
-    assert!(
-        LOOP_LINEAR_BOUND_RUNG8_EVAL_DAG.contains(
-            "corpus_entries_from_node_runtime_value_runs(\n      runs: phase4_loop_linear_bound_rung8_runtime_value_rows"
-        ),
-        "{LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH}: CorpusEvalReport must consume rung-8 roster in eval body"
-    );
-    assert!(
-        LOOP_LINEAR_BOUND_RUNG8_EVAL_DAG
-            .contains("corpus_report_tally(r: report).deferred == Zero"),
-        "{LOOP_LINEAR_BOUND_RUNG8_EVAL_PATH}: VerdictTally deferred check in zero_deferred helper"
-    );
-}
-
-#[test]
-fn v4_branch_dispatch_rung8_dag_tokenizes_and_parses_full_fixture_roster() {
-    let rung_8 = parse_module(BRANCH_DISPATCH_RUNG_8_DAG, BRANCH_DISPATCH_RUNG_8_PATH);
-    for name in [
-        "run_claim_branch_dispatch_well_formed",
-        "run_claim_branch_dispatch_equals_refl",
-        "run_claim_branch_dispatch_content_hash_stable",
-    ] {
-        assert!(
-            surface_declares_data(&rung_8, name),
-            "{BRANCH_DISPATCH_RUNG_8_PATH}: missing run row {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(&rung_8, "phase4_branch_dispatch_rung8_runtime_value_rows"),
-        "{BRANCH_DISPATCH_RUNG_8_PATH}: runtime roster carrier (3 rows)"
-    );
-    assert!(
-        surface_declares_fn(&rung_8, "rung8_tier1_eval_run"),
-        "{BRANCH_DISPATCH_RUNG_8_PATH}: T-22 eval constructor must call run_test_claim"
-    );
-    assert!(
-        BRANCH_DISPATCH_RUNG_8_DAG.contains("run_test_claim("),
-        "{BRANCH_DISPATCH_RUNG_8_PATH}: roster rows must thread run_test_claim verdicts (not fabricated Pass)"
-    );
-
-    let eval_module = parse_module(
-        BRANCH_DISPATCH_RUNG8_EVAL_DAG,
-        BRANCH_DISPATCH_RUNG8_EVAL_PATH,
-    );
-    for name in [
-        "run_branch_dispatch_rung8_eval",
-        "branch_dispatch_rung8_gate",
-        "branch_dispatch_rung8_zero_deferred",
-    ] {
-        assert!(
-            surface_declares_fn(&eval_module, name),
-            "{BRANCH_DISPATCH_RUNG8_EVAL_PATH}: missing fn {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(&eval_module, "witness_branch_dispatch_rung8_gate_closed"),
-        "{BRANCH_DISPATCH_RUNG8_EVAL_PATH}: authoring-time F5 gate witness (data binding)"
-    );
-    assert!(
-        BRANCH_DISPATCH_RUNG8_EVAL_DAG
-            .contains("branch_dispatch_rung8_gate(report: run_branch_dispatch_rung8_eval())"),
-        "{BRANCH_DISPATCH_RUNG8_EVAL_PATH}: closed witness must consume full gate (non-empty roster + zero Deferred)"
-    );
-    assert!(
-        BRANCH_DISPATCH_RUNG8_EVAL_DAG.contains("phase4_branch_dispatch_rung8_runtime_value_rows"),
-        "{BRANCH_DISPATCH_RUNG8_EVAL_PATH}: CorpusEvalReport must consume rung-8 roster"
-    );
-    assert!(
-        BRANCH_DISPATCH_RUNG8_EVAL_DAG.contains("corpus_report_tally"),
-        "{BRANCH_DISPATCH_RUNG8_EVAL_PATH}: VerdictTally via corpus_report_tally"
-    );
-}
-
-#[test]
-fn emit_host_runner_go_row_runs_and_parses_stdout() {
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_v4_emit_host_go_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "w5_go_claim_input".to_string(),
-        expected_eval_root: "w5_go_expected_eval".to_string(),
-    };
-    let receipt = emit_host_runner::run_emit_host_go(
-        EMIT_HOST_GO_FIXTURE_SOURCE,
-        &inputs.transport(),
-        &work_dir,
-    )
-    .expect("run_emit_host_go");
-    assert!(receipt.exit.exit_holds());
-    emit_host_runner::runtime_value_parse_go(&receipt.stdout_bytes).expect("parse");
-}
-
-fn assert_cross_target_mvp2_stdout_parity_rust_python_go(fixture: NatSemiringCrossTargetFixture) {
-    let pid = std::process::id();
-    let law = fixture.law;
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: format!("cross_target_{law}_claim_input"),
-        expected_eval_root: format!("cross_target_{law}_expected_eval"),
-    };
-    let rust_dir = emit_host_runner::default_work_dir(&format!("gunbc_xct_{law}_rust_{pid}"));
-    let py_dir = emit_host_runner::default_work_dir(&format!("gunbc_xct_{law}_py_{pid}"));
-    let go_dir = emit_host_runner::default_work_dir(&format!("gunbc_xct_{law}_go_{pid}"));
-    let verdict = emit_host_bridge::run_cross_target_mvp2_python_parity_transport(
-        fixture.rust_source,
-        fixture.python_source,
-        fixture.go_source,
-        &inputs,
-        &rust_dir,
-        &py_dir,
-        &go_dir,
-    );
-    assert_eq!(
-        verdict,
-        emit_host_bridge::EmitHostCrossTargetParityVerdict::Pass,
-        "L2 cross-target stdout parity failed for law={law}"
-    );
-}
-
-#[test]
-fn cross_target_mvp2_stdout_parity_rust_python_go_add_left_identity() {
-    assert_cross_target_mvp2_stdout_parity_rust_python_go(NAT_SEMIRING_CROSS_TARGET_FIXTURES[0]);
-}
-
-#[test]
-fn cross_target_mvp2_stdout_parity_rust_python_go_add_right_identity() {
-    assert_cross_target_mvp2_stdout_parity_rust_python_go(NAT_SEMIRING_CROSS_TARGET_FIXTURES[1]);
-}
-
-#[test]
-fn cross_target_mvp2_stdout_parity_rust_python_go_add_associativity() {
-    assert_cross_target_mvp2_stdout_parity_rust_python_go(NAT_SEMIRING_CROSS_TARGET_FIXTURES[2]);
-}
-
-#[test]
-fn cross_target_mvp2_stdout_parity_rust_python_go_mul_left_identity() {
-    assert_cross_target_mvp2_stdout_parity_rust_python_go(NAT_SEMIRING_CROSS_TARGET_FIXTURES[3]);
-}
-
-#[test]
-fn cross_target_mvp2_stdout_parity_rust_python_go_mul_annihilator() {
-    assert_cross_target_mvp2_stdout_parity_rust_python_go(NAT_SEMIRING_CROSS_TARGET_FIXTURES[4]);
-}
-
-#[test]
-fn cross_target_mvp2_stdout_parity_rust_python_go_mul_associativity() {
-    assert_cross_target_mvp2_stdout_parity_rust_python_go(NAT_SEMIRING_CROSS_TARGET_FIXTURES[5]);
-}
-
-#[test]
-fn v4_nat_semiring_rung_5_dag_tokenizes_and_parses_full_law_roster_three_targets() {
-    let module = parse_module(NAT_SEMIRING_RUNG_5_DAG, NAT_SEMIRING_RUNG_5_PATH);
-    for name in [
-        "run_phase1_nat_semiring_rung5_rust_add_left_identity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung5_python_mul_associativity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung5_go_mul_annihilator_emit_equals_eval",
-    ] {
-        assert!(
-            surface_declares_data(&module, name),
-            "{NAT_SEMIRING_RUNG_5_PATH}: sample rung-5 row {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(
-            &module,
-            "phase1_nat_semiring_rung5_full_law_roster_runtime_value_rows"
-        ),
-        "{NAT_SEMIRING_RUNG_5_PATH}: 6 laws × 3 targets roster"
-    );
-    let common = parse_module(RUNG_5_6_COMMON_DAG, RUNG_5_6_COMMON_PATH);
-    assert!(
-        surface_declares_data(&common, "rung56_emit_host_go_target_model"),
-        "{RUNG_5_6_COMMON_PATH}: go TargetModel (W3.3)"
-    );
-
-    let eval_module = parse_module(NAT_SEMIRING_RUNG5_EVAL_DAG, NAT_SEMIRING_RUNG5_EVAL_PATH);
-    for name in [
-        "run_nat_semiring_rung5_eval",
-        "nat_semiring_rung5_gate",
-        "nat_semiring_rung5_report_has_evidence",
-    ] {
-        assert!(
-            surface_declares_fn(&eval_module, name),
-            "{NAT_SEMIRING_RUNG5_EVAL_PATH}: missing fn {name}"
-        );
-    }
-    assert!(
-        NAT_SEMIRING_RUNG5_EVAL_DAG
-            .contains("phase1_nat_semiring_rung5_full_law_roster_runtime_value_rows"),
-        "{NAT_SEMIRING_RUNG5_EVAL_PATH}: CorpusEvalReport must consume rung-5 roster"
-    );
-}
-
-#[test]
-fn emit_host_runner_python_row_runs_and_parses_stdout() {
-    let work_dir = emit_host_runner::default_work_dir(&format!(
-        "gunbc_v4_emit_host_py_{}",
-        std::process::id()
-    ));
-    let inputs = emit_host_runner::EmitHostFixtureInputs {
-        claim_input_root: "w34_py_claim_input".to_string(),
-        expected_eval_root: "w34_py_expected_eval".to_string(),
-    };
-    let receipt = emit_host_bridge::run_emit_host_python_transport(
-        EMIT_HOST_PYTHON_FIXTURE_SOURCE,
-        &inputs,
-        &work_dir,
-    )
-    .expect("run_emit_host_python_transport");
-    assert!(receipt.exit.exit_holds());
-    emit_host_runner::runtime_value_parse_python(&receipt.stdout_bytes).expect("parse");
-}
-
-#[test]
-fn v4_nat_semiring_rung_6_dag_tokenizes_and_parses_post_emit_law_preservation_emit_rows() {
-    let module = parse_module(NAT_SEMIRING_RUNG_6_DAG, NAT_SEMIRING_RUNG_6_PATH);
-    for name in [
-        "run_phase1_nat_semiring_rung6_rust_add_left_identity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_rust_add_right_identity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_rust_add_associativity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_rust_mul_left_identity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_rust_mul_associativity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_rust_mul_annihilator_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_python_add_left_identity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_python_add_right_identity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_python_add_associativity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_python_mul_left_identity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_python_mul_associativity_emit_equals_eval",
-        "run_phase1_nat_semiring_rung6_python_mul_annihilator_emit_equals_eval",
-    ] {
-        assert!(
-            surface_declares_data(&module, name),
-            "{NAT_SEMIRING_RUNG_6_PATH}: missing rung-6 row {name}"
-        );
-    }
-    let common = parse_module(RUNG_5_6_COMMON_DAG, RUNG_5_6_COMMON_PATH);
-    for name in [
-        "rung56_emit_host_python_target_model",
-        "rung56_emit_host_go_target_model",
-    ] {
-        assert!(
-            surface_declares_data(&common, name),
-            "{RUNG_5_6_COMMON_PATH}: TargetModel {name}"
-        );
-    }
-}
-
-#[test]
-fn v4_nat_semiring_rung56_eval_dag_tokenizes_and_parses_rung6_gate() {
-    let module = parse_module(NAT_SEMIRING_RUNG56_EVAL_DAG, NAT_SEMIRING_RUNG56_EVAL_PATH);
-    for name in [
-        "nat_semiring_rung56_report_has_evidence",
-        "nat_semiring_rung6_gate",
-        "run_nat_semiring_rung56_eval",
-    ] {
-        assert!(
-            surface_declares_fn(&module, name),
-            "{NAT_SEMIRING_RUNG56_EVAL_PATH}: missing fn {name}"
-        );
-    }
-    assert!(
-        surface_declares_data(
-            &module,
-            "nat_semiring_rung6_additive_monoid_runtime_value_rows"
-        ),
-        "{NAT_SEMIRING_RUNG56_EVAL_PATH}: tranche-1 additive-Monoid roster"
-    );
-    assert!(
-        surface_declares_data(
-            &module,
-            "nat_semiring_rung6_mul_monoid_annihilator_runtime_value_rows"
-        ),
-        "{NAT_SEMIRING_RUNG56_EVAL_PATH}: tranche-2 mul-Monoid + annihilator roster"
-    );
-    assert!(
-        surface_declares_data(
-            &module,
-            "nat_semiring_rung6_post_emit_law_preservation_runtime_value_rows"
-        ),
-        "{NAT_SEMIRING_RUNG56_EVAL_PATH}: combined tranche-1+2 CorpusEval roster"
-    );
-    assert!(
-        NAT_SEMIRING_RUNG56_EVAL_DAG
-            .contains("nat_semiring_rung6_post_emit_law_preservation_runtime_value_rows"),
-        "{NAT_SEMIRING_RUNG56_EVAL_PATH}: CorpusEvalReport must consume full rung-6 roster"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/v4_p9_llvm_instruction_cost_single_owner_test.rs b/src/v3/compiler/tests/integration/v4_p9_llvm_instruction_cost_single_owner_test.rs
deleted file mode 100644
index b8a000490f5..00000000000
--- a/src/v3/compiler/tests/integration/v4_p9_llvm_instruction_cost_single_owner_test.rs
+++ /dev/null
@@ -1,229 +0,0 @@
-//! **Layer:** integration
-//!
-//! P9 single-owner receipt: `llvm_instruction_cost` must be defined exactly once in
-//! `src/v4/lens/cost.dag`. Replaces the dissolved `v4_lens_cost_dag_smoke_test.rs`
-//! ratchet — whole-tree parse does **not** substitute (see `docs/v4-close-interrogation.md`
-//! §P5(b) / `feature:p9-llvm-instruction-cost-single-owner`).
-//!
-//! Complements the structural `.dag` TestClaim in
-//! `src/v4/test/claim/lens_cost/p9_llvm_instruction_cost_registry_owner.dag`
-//! (registry exclusivity) with a corpus scan for shadow `fn llvm_instruction_cost`
-//! definitions outside the canonical owner module.
-//!
-//! **TESTING.md:** M1(2.7) corpus scan; canonical owner and llvm_ir checks
-//! still use `SurfaceItem::Fn` / `FnExternalBody`. The all-v4 shadow scan uses
-//! a tiny declaration-header scanner so newer v4 expression syntax in unrelated
-//! modules cannot mask a P9 ownership regression.
-//!
-//! **ROADMAP:** T-PB-B / `pb_rust_tests_outside_residual_zero`; dissolves when M2
-//! reflection or generated harness executes the `.dag` claim over the full corpus.
-
-use std::fs;
-use std::path::{Path, PathBuf};
-
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_surface::SurfaceItem;
-use v3_compiler::tokenize_for_test;
-
-const CANONICAL_OWNER: &str = "src/v4/lens/cost.dag";
-const TARGET_FN_NAME: &str = "llvm_instruction_cost";
-
-fn workspace_root() -> PathBuf {
-    let manifest_dir = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
-    manifest_dir
-        .ancestors()
-        .nth(3)
-        .expect("workspace root is three ancestors above src/v3/compiler/")
-        .to_path_buf()
-}
-
-fn parse_module(source: &str, path: &str) -> v3_compiler::parse_surface::SurfaceModule {
-    let tokens =
-        tokenize_for_test(source, path).unwrap_or_else(|e| panic!("{path}: tokenize: {e:?}"));
-    parse_for_test(&tokens, path).unwrap_or_else(|e| panic!("{path}: parse: {e:?}"))
-}
-
-fn surface_declares_fn(module: &v3_compiler::parse_surface::SurfaceModule, name: &str) -> bool {
-    module.items.iter().any(|item| match item {
-        SurfaceItem::Fn {
-            name: item_name, ..
-        }
-        | SurfaceItem::FnExternalBody {
-            name: item_name, ..
-        } => item_name == name,
-        _ => false,
-    })
-}
-
-fn is_ident_continue(c: char) -> bool {
-    c == '_' || c.is_ascii_alphanumeric()
-}
-
-fn next_header_token(source: &str, offset: usize) -> Option<(&str, usize)> {
-    let mut i = offset;
-    while i < source.len() {
-        let rest = &source[i..];
-        let c = rest.chars().next()?;
-        if c.is_whitespace() {
-            i += c.len_utf8();
-        } else if rest.starts_with("//") {
-            i += rest.find('\n').unwrap_or(rest.len());
-        } else if rest.starts_with("/*") {
-            i += rest
-                .find("*/")
-                .map(|end| end + "*/".len())
-                .unwrap_or(rest.len());
-        } else if c == '"' {
-            i += c.len_utf8();
-            while i < source.len() {
-                let rest = &source[i..];
-                let c = rest.chars().next()?;
-                i += c.len_utf8();
-                if c == '\\' {
-                    if let Some(escaped) = source[i..].chars().next() {
-                        i += escaped.len_utf8();
-                    }
-                } else if c == '"' {
-                    break;
-                }
-            }
-        } else if c == '(' {
-            return Some((&source[i..i + 1], i + 1));
-        } else if c == '_' || c.is_ascii_alphabetic() {
-            let start = i;
-            i += c.len_utf8();
-            while i < source.len() {
-                let c = source[i..].chars().next()?;
-                if is_ident_continue(c) {
-                    i += c.len_utf8();
-                } else {
-                    break;
-                }
-            }
-            return Some((&source[start..i], i));
-        } else {
-            i += c.len_utf8();
-        }
-    }
-    None
-}
-
-fn source_declares_target_fn(source: &str) -> bool {
-    let mut offset = 0;
-    while let Some((token, next_offset)) = next_header_token(source, offset) {
-        offset = next_offset;
-        if token != "fn" {
-            continue;
-        }
-        let Some((name, _after_name)) = next_header_token(source, offset) else {
-            return false;
-        };
-        if name == TARGET_FN_NAME {
-            return true;
-        }
-    }
-    false
-}
-
-fn collect_dag_files(dir: &Path, out: &mut Vec<PathBuf>) {
-    let entries = fs::read_dir(dir).unwrap_or_else(|e| panic!("read_dir {}: {e}", dir.display()));
-    for ent in entries {
-        let ent = ent.unwrap_or_else(|e| panic!("read_dir entry {}: {e}", dir.display()));
-        let p = ent.path();
-        if p.is_dir() {
-            collect_dag_files(&p, out);
-        } else if p.extension().is_some_and(|x| x == "dag") {
-            out.push(p);
-        }
-    }
-}
-
-fn rel_path(root: &Path, path: &Path) -> String {
-    path.strip_prefix(root)
-        .unwrap_or(path)
-        .display()
-        .to_string()
-}
-
-#[test]
-fn p9_source_declares_target_fn_accepts_decl_whitespace() {
-    assert!(source_declares_target_fn(
-        "fn llvm_instruction_cost (i: LlvmInstruction) -> Int { 1 }"
-    ));
-    assert!(source_declares_target_fn(
-        "\tfn\tllvm_instruction_cost\t(i: LlvmInstruction) -> Int { 1 }"
-    ));
-    assert!(source_declares_target_fn(
-        "fn llvm_instruction_cost\n(i: LlvmInstruction) -> Int { 1 }"
-    ));
-    assert!(source_declares_target_fn(
-        "fn llvm_instruction_cost<T>(i: LlvmInstruction) -> Int { 1 }"
-    ));
-    assert!(!source_declares_target_fn(
-        "fn llvm_instruction_cost_extra(i: LlvmInstruction) -> Int { 1 }"
-    ));
-    assert!(!source_declares_target_fn(
-        "// fn llvm_instruction_cost(i: LlvmInstruction) -> Int { 1 }"
-    ));
-    assert!(!source_declares_target_fn(
-        "\"fn llvm_instruction_cost(i: LlvmInstruction) -> Int { 1 }\""
-    ));
-    assert!(source_declares_target_fn(
-        "fn /* inter-token comment */ llvm_instruction_cost /* ok */ (i: LlvmInstruction) -> Int { 1 }"
-    ));
-}
-
-#[test]
-fn v4_p9_llvm_instruction_cost_defined_only_in_lens_cost_dag() {
-    let root = workspace_root();
-    let scan_root = root.join("src/v4");
-    assert!(
-        scan_root.is_dir(),
-        "expected v4 substrate tree {} — scope drift?",
-        scan_root.display()
-    );
-
-    let mut paths = Vec::new();
-    collect_dag_files(&scan_root, &mut paths);
-    paths.sort();
-    paths.dedup();
-
-    let mut defs = Vec::new();
-    for path in paths {
-        let rel = rel_path(&root, &path);
-        let source =
-            fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-        if source_declares_target_fn(&source) {
-            defs.push(rel);
-        }
-    }
-
-    assert_eq!(
-        defs.len(),
-        1,
-        "P9 single-owner: `fn {TARGET_FN_NAME}` must be declared exactly once under src/v4/ \
-         (canonical owner `{CANONICAL_OWNER}`); whole-tree parse does not substitute. \
-         Found {} module(s):\n{}",
-        defs.len(),
-        defs.join("\n")
-    );
-    assert_eq!(
-        defs[0], CANONICAL_OWNER,
-        "P9 single-owner: `fn {TARGET_FN_NAME}` must live in `{CANONICAL_OWNER}`; got: {}",
-        defs[0]
-    );
-}
-
-#[test]
-fn v4_p9_llvm_instruction_cost_absent_from_llvm_ir_dag() {
-    let root = workspace_root();
-    let llvm_ir = root.join("src/v4/extdeps/languages/llvm_ir.dag");
-    let rel = rel_path(&root, &llvm_ir);
-    let source =
-        fs::read_to_string(&llvm_ir).unwrap_or_else(|e| panic!("read {}: {e}", llvm_ir.display()));
-    let module = parse_module(&source, &rel);
-    assert!(
-        !surface_declares_fn(&module, TARGET_FN_NAME),
-        "P9: `fn {TARGET_FN_NAME}` must not be declared in llvm_ir.dag (cost authority is v4.lens.cost only)"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/v4_std_text_boundary_carrier_guard_test.rs b/src/v3/compiler/tests/integration/v4_std_text_boundary_carrier_guard_test.rs
deleted file mode 100644
index f47cfd6ffcb..00000000000
--- a/src/v3/compiler/tests/integration/v4_std_text_boundary_carrier_guard_test.rs
+++ /dev/null
@@ -1,60 +0,0 @@
-//! **Layer:** integration
-//!
-//! Boundary Discipline guard for `v4.std.text` (host-crate structural lint).
-//!
-//! **Host-test preservation justification (W1-W4 qualifying bar — provably
-//! runtime-inexpressible):** non-behavioral: asserts type-ABSENCE of
-//! ByteString/FileBody/FileContent/TargetSource in text.dag — no runtime witness can
-//! express type-non-existence.
-//!
-//! The behavioral content of the retired `v4_std_text_dag_smoke_test.rs` migrated to
-//! discriminating claim-run witnesses in `src/v4/test/claim/std_text/carrier_claims.dag`
-//! (executed through v2, mutation-proven). One assertion in that smoke test was NOT
-//! behavioral and therefore cannot ride a runtime witness: the **type-absence** boundary
-//! lint that `v4.std.text` must not redeclare byte/file/target carriers as text. Per
-//! TESTING discipline a source-structure grep belongs in a host crate, not a `.dag`
-//! claim, so it is preserved here — a minimal structural guard, not the full smoke.
-//!
-//! **P5 receipt (INVARIANTS.md §P5 — Self-Generation-0 `EXPECTED_HAND_AUTHORED_TEST` same-path
-//! registration, mechanism (b)):** the matching `EXPECTED_HAND_AUTHORED_TEST` row in
-//! `self_gen0_census_test.rs` lands in the same PR. Net of the fold-delete remains strongly
-//! negative (bulk parse-surface smoke deleted; only this absence-lint retained).
-//! Dissolves when a `.dag`/host structural mechanism can assert a module's declared-type
-//! set directly (type-absence as data).
-
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_surface::SurfaceItem;
-use v3_compiler::tokenize_for_test;
-
-const TEXT_DAG: &str = include_str!("../../../../v4/std/text.dag");
-const TEXT_PATH: &str = "src/v4/std/text.dag";
-
-fn surface_declares_type(module: &v3_compiler::parse_surface::SurfaceModule, name: &str) -> bool {
-    module.items.iter().any(|item| {
-        matches!(
-            item,
-            SurfaceItem::TypeSum { name: decl_name, .. }
-                | SurfaceItem::TypeRecord { name: decl_name, .. }
-                | SurfaceItem::TypeAlias { name: decl_name, .. }
-                | SurfaceItem::TypeAtom { name: decl_name, .. }
-                if decl_name == name
-        )
-    })
-}
-
-#[test]
-fn v4_std_text_dag_does_not_redeclare_byte_file_target_carriers_as_text() {
-    let tokens = tokenize_for_test(TEXT_DAG, TEXT_PATH)
-        .unwrap_or_else(|e| panic!("{TEXT_PATH}: tokenize: {e:?}"));
-    let module =
-        parse_for_test(&tokens, TEXT_PATH).unwrap_or_else(|e| panic!("{TEXT_PATH}: parse: {e:?}"));
-
-    for forbidden in ["ByteString", "FileBody", "FileContent", "TargetSource"] {
-        assert!(
-            !surface_declares_type(&module, forbidden),
-            "{TEXT_PATH}: text module must not redeclare byte/file/target carriers as text \
-             (found `{forbidden}`); these remain byte carriers until a separate encoding \
-             witness admits them as text"
-        );
-    }
-}
diff --git a/src/v3/compiler/tests/integration/v4_t15_self_host_fixed_point_harness_test.rs b/src/v3/compiler/tests/integration/v4_t15_self_host_fixed_point_harness_test.rs
deleted file mode 100644
index a71811c715c..00000000000
--- a/src/v3/compiler/tests/integration/v4_t15_self_host_fixed_point_harness_test.rs
+++ /dev/null
@@ -1,202 +0,0 @@
-//! **T-15** bin/main.dag execution + self-host fixed-point validation harness
-//! (operator-directive 2026-05-29).
-//!
-//! Fixed-point bar: **stage1 emitted == stage2 emitted** (`FixptStage1Stage2` in
-//! `workflow/bootstrap.dag`), **not** stage0==stage1 (stage0 is v2-emission-style).
-//!
-//! **PR receipt (P5 Mechanism (b)):** this harness + `claim_t15_self_host_fixed_point.dag`
-//! + matching `EXPECTED_HAND_AUTHORED_TEST` / INVARIANTS table row land in the same PR.
-//!
-//! **Dissolution:** retire when `.dag` `TestClaim` eval + bootstrap B1 `content_hash` pins
-//! replace host structural receipts (`ROADMAP` T-PB-B / `pb_rust_tests_outside_residual_zero`).
-
-use std::fs;
-use std::path::{Path, PathBuf};
-use std::process::Command;
-
-use v3_compiler::parse_for_test;
-use v3_compiler::tokenize_for_test;
-
-const MAIN_DAG: &str = include_str!("../../../../v4/bin/main.dag");
-const MAIN_DAG_PATH: &str = "src/v4/bin/main.dag";
-const BOOTSTRAP_DAG: &str = include_str!("../../../../v4/workflow/bootstrap.dag");
-const BOOTSTRAP_PATH: &str = "src/v4/workflow/bootstrap.dag";
-const SELF_HOST_DAG: &str = include_str!("../../../../v4/compiler/self_host.dag");
-const SELF_HOST_PATH: &str = "src/v4/compiler/self_host.dag";
-const T15_CLAIM_DAG: &str =
-    include_str!("../../../../v4/test/claim/self_host/claim_t15_self_host_fixed_point.dag");
-const T15_CLAIM_PATH: &str = "src/v4/test/claim/self_host/claim_t15_self_host_fixed_point.dag";
-
-fn workspace_root() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR"))
-        .join("..")
-        .join("..")
-        .join("..")
-}
-
-fn gunbc_release_binary(root: &Path) -> PathBuf {
-    root.join("target").join("release").join("gunbc")
-}
-
-fn assert_parseable(source: &str, path: &str) {
-    let tokens =
-        tokenize_for_test(source, path).unwrap_or_else(|e| panic!("{path}: tokenize: {e:?}"));
-    parse_for_test(&tokens, path).unwrap_or_else(|e| panic!("{path}: parse: {e:?}"));
-}
-
-fn assert_main_trampoline_authority() {
-    assert!(
-        MAIN_DAG.contains("main_rs_trampoline_authority"),
-        "{MAIN_DAG_PATH}: expected trampoline data id"
-    );
-    assert!(
-        MAIN_DAG.contains(r#"include!(\"v4_main_generated.rs\");"#),
-        "{MAIN_DAG_PATH}: expected trampoline include! spelling in String literal"
-    );
-    for name in [
-        "stub_stage1_emitted_rust_digest_placeholder",
-        "stub_stage2_emitted_rust_digest_placeholder",
-    ] {
-        assert!(
-            MAIN_DAG.contains(name),
-            "{MAIN_DAG_PATH}: expected digest stub data id {name}"
-        );
-    }
-}
-
-/// Bootstrap encodes fixpt over stage1/stage2 binaries and requires digest convergence on
-/// `self1.produces_hash` (stage1) — not a stage0==stage1 check.
-fn assert_bootstrap_fixpt_is_stage1_stage2_not_stage0() {
-    assert!(
-        BOOTSTRAP_DAG.contains("type FixptStage1Stage2")
-            && BOOTSTRAP_DAG.contains("left: Symbol")
-            && BOOTSTRAP_DAG.contains("right: Symbol"),
-        "{BOOTSTRAP_PATH}: FixptStage1Stage2 must name left/right stage symbols"
-    );
-    assert!(
-        BOOTSTRAP_DAG.contains("produces: v4_stage1_binary")
-            && BOOTSTRAP_DAG.contains("compiled_by: v4_stage0_binary"),
-        "{BOOTSTRAP_PATH}: self0 must emit stage1 from stage0 (not the fixpt pair)"
-    );
-    assert!(
-        BOOTSTRAP_DAG.contains("produces: v4_stage2_binary")
-            && BOOTSTRAP_DAG.contains("compiled_by: v4_stage1_binary"),
-        "{BOOTSTRAP_PATH}: self1 must emit stage2 from stage1"
-    );
-    assert!(
-        BOOTSTRAP_DAG.contains("p.fixpt.left_hash.digest == p.self0.produces_hash.digest")
-            && BOOTSTRAP_DAG.contains("p.fixpt.right_hash.digest == p.self1.produces_hash.digest")
-            && BOOTSTRAP_DAG
-                .contains("p.self0.produces_hash.digest == p.self1.produces_hash.digest"),
-        "{BOOTSTRAP_PATH}: bootstrap_plan_well_formed must require stage1==stage2 digest equality"
-    );
-    assert!(
-        !BOOTSTRAP_DAG.contains("p.fixpt.left_hash.digest == p.seed.produces_hash.digest"),
-        "{BOOTSTRAP_PATH}: fixpt must not equate stage1 directly to seed/stage0 output"
-    );
-}
-
-fn assert_self_host_runner_shape_fail_closed() {
-    assert!(
-        SELF_HOST_DAG.contains("fn self_host_fixed_point_validate(")
-            && SELF_HOST_DAG.contains("Rejected {")
-            && SELF_HOST_DAG.contains("self_host_runner_not_realized"),
-        "{SELF_HOST_PATH}: runner must stay fail-closed until execution substrate lands"
-    );
-}
-
-fn assert_t15_claim_wiring() {
-    assert!(
-        T15_CLAIM_DAG.contains("data claim_t15_self_host_fixed_point: TestClaim = EqualsClaim")
-            && T15_CLAIM_DAG.contains("stub_stage1_emitted_rust_digest_placeholder")
-            && T15_CLAIM_DAG.contains("stub_stage2_emitted_rust_digest_placeholder"),
-        "{T15_CLAIM_PATH}: EqualsClaim must name stage1/stage2 digest operands from main.dag"
-    );
-}
-
-/// v2 semantic compile with `bin/main.dag` as the entry root (deps = full `src/v4` minus duplicate entry).
-fn try_v2_compile_main_dag_entry(root: &Path) {
-    let bin = gunbc_release_binary(root);
-    if !bin.exists() {
-        // Optional receipt: build `v2-compiler --release` locally to exercise entry-root compile.
-        return;
-    }
-
-    let out = std::env::temp_dir().join(format!("v4-t15-main-entry-{}", std::process::id()));
-    let entry_root = out.join("entry");
-    let deps_root = out.join("deps");
-    fs::remove_dir_all(&out).ok();
-    fs::create_dir_all(entry_root.join("v4/bin")).expect("entry bin dir");
-    fs::create_dir_all(deps_root.join("v4/bin")).expect("deps bin dir");
-
-    fs::copy(
-        root.join("src/v4/bin/main.dag"),
-        entry_root.join("v4/bin/main.dag"),
-    )
-    .expect("copy main.dag entry");
-    copy_dir_all(&root.join("src/v4"), &deps_root.join("v4")).expect("copy src/v4 deps");
-    fs::remove_file(deps_root.join("v4/bin/main.dag"))
-        .expect("remove duplicate main.dag from deps");
-
-    let compile_log = out.join("compile.log");
-    let status = Command::new(&bin)
-        .args([
-            "compile",
-            "--source-root",
-            entry_root.to_str().expect("entry utf8"),
-            "--source-root",
-            deps_root.to_str().expect("deps utf8"),
-            "--output-dir",
-            out.join("rust-out").to_str().expect("out utf8"),
-            "--target",
-            "rust",
-        ])
-        .output()
-        .unwrap_or_else(|e| panic!("spawn gunbc compile: {e}"));
-    let mut log_bytes = status.stdout.clone();
-    log_bytes.extend_from_slice(&status.stderr);
-    fs::write(&compile_log, &log_bytes).ok();
-
-    assert!(
-        status.status.success(),
-        "v2 compile main.dag entry failed (log: {}):\n{}",
-        compile_log.display(),
-        String::from_utf8_lossy(&status.stderr)
-    );
-    let combined = String::from_utf8_lossy(&log_bytes);
-    assert!(
-        combined.contains("compiled:") && combined.contains("0 diagnostics"),
-        "main.dag entry compile must emit a clean compiled receipt (log: {})",
-        compile_log.display()
-    );
-}
-
-fn copy_dir_all(src: &Path, dst: &Path) -> std::io::Result<()> {
-    fs::create_dir_all(dst)?;
-    for entry in fs::read_dir(src)? {
-        let entry = entry?;
-        let ty = entry.file_type()?;
-        let from = entry.path();
-        let to = dst.join(entry.file_name());
-        if ty.is_dir() {
-            copy_dir_all(&from, &to)?;
-        } else {
-            fs::copy(&from, &to)?;
-        }
-    }
-    Ok(())
-}
-
-/// CI gate name: `cargo test t_15_self_host_fixed_point`.
-#[test]
-fn t_15_self_host_fixed_point() {
-    assert_parseable(MAIN_DAG, MAIN_DAG_PATH);
-    assert_main_trampoline_authority();
-    assert_parseable(BOOTSTRAP_DAG, BOOTSTRAP_PATH);
-    assert_bootstrap_fixpt_is_stage1_stage2_not_stage0();
-    assert_parseable(SELF_HOST_DAG, SELF_HOST_PATH);
-    assert_self_host_runner_shape_fail_closed();
-    assert_parseable(T15_CLAIM_DAG, T15_CLAIM_PATH);
-    assert_t15_claim_wiring();
-    try_v2_compile_main_dag_entry(&workspace_root());
-}
diff --git a/src/v3/compiler/tests/integration/v4_test_bootstrap_infra_closeout_test.rs b/src/v3/compiler/tests/integration/v4_test_bootstrap_infra_closeout_test.rs
deleted file mode 100644
index 3bbc7b8e211..00000000000
--- a/src/v3/compiler/tests/integration/v4_test_bootstrap_infra_closeout_test.rs
+++ /dev/null
@@ -1,1325 +0,0 @@
-//! **Layer:** integration
-//!
-//! Closeout ratchets for the v4 T-19/T-20/T-22 test/bootstrap-infra lane. These
-//! checks stay at the parse-surface boundary: they prove structural authorities
-//! exist and remain joined; T-22 rows are parse/substrate ratchets only (not execution).
-//! This hand-Rust ratchet retires when T-22 generated harness coverage
-//! expresses the same bootstrap closeout checks as `.dag` `TestClaim` rows.
-//! **P5 receipt for same-path expansion (INVARIANTS.md §P5 Mechanism (b)):** explicit
-//! deferral to **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-//! `pb_rust_tests_outside_residual_zero` (ROADMAP.md:43,63); this file remains inside
-//! the SG-0 T-PB-B test subset (`sg0_census_test.rs:1065`) and dissolves when these
-//! T-22 closeout checks are emitted as `.dag` `TestClaim` rows or generated harness
-//! coverage.
-//!
-//! **PR #4295 P5 receipt (+0 SG-0 paths):** same-path expansion in this file for
-//! `check_t19_testgen_activation` — structural migration of the activation gate
-//! formerly enforced by `scripts/check_t19_testgen_activation.py` (deleted on main
-//! in #4252, operator 2026-06-01 CI hygiene; not re-deleted in this PR). No new
-//! `EXPECTED_HAND_AUTHORED_TEST` census row (ROADMAP.md:43,63; `sg0_census_test.rs:1065`);
-//! dissolves when T-22 generated harness or `.dag` TestClaim rows own these substrate checks.
-//!
-//! **PR #4335 P5 receipt (INVARIANTS.md §P5 Mechanism (b) — +0 SG-0 paths):**
-//! disposition (3) explicit deferral — **ROADMAP.md** `### Nine lanes` row **T-PB-B** /
-//! `pb_rust_tests_outside_residual_zero` (ROADMAP.md:43,63); same-path expansion for
-//! `rr_a_step2_bootstrap_evaluator_corpus_harness_entry` under existing census row
-//! `sg0_census_test.rs:1065` (no new `EXPECTED_HAND_AUTHORED_TEST` entry). Dissolves when
-//! modeled `.dag` `TestClaim` rows or generated harness coverage own these substrate checks.
-
-use std::collections::{BTreeMap, BTreeSet};
-use std::fs;
-use std::path::{Path, PathBuf};
-
-use v3_compiler::parse_for_test;
-use v3_compiler::parse_surface::{
-    SurfaceExpr, SurfaceField, SurfaceItem, SurfaceModule, SurfaceRecordField, SurfaceType,
-    SurfaceVariant, TypeAngleArg,
-};
-use v3_compiler::tokenize_for_test;
-
-const TESTGEN_DAG: &str = include_str!("../../../../v4/lens/testgen.dag");
-const TESTGEN_PATH: &str = "src/v4/lens/testgen.dag";
-const BOOTSTRAP_DAG: &str = include_str!("../../../../v4/workflow/bootstrap.dag");
-const BOOTSTRAP_PATH: &str = "src/v4/workflow/bootstrap.dag";
-const CLI_DAG: &str = include_str!("../../../../v4/workflow/cli.dag");
-const CLI_PATH: &str = "src/v4/workflow/cli.dag";
-const CONNECTIVE_ANCHORS_DAG: &str =
-    include_str!("../../../../v4/test/claim/manual/connective_anchors.dag");
-const CONNECTIVE_ANCHORS_PATH: &str = "src/v4/test/claim/manual/connective_anchors.dag";
-const NAT_LAW_ANCHORS_DAG: &str =
-    include_str!("../../../../v4/test/claim/manual/nat_law_anchors.dag");
-const NAT_LAW_ANCHORS_PATH: &str = "src/v4/test/claim/manual/nat_law_anchors.dag";
-const MANIFEST_DAG: &str =
-    include_str!("../../../../v4/test/claim/manual/manual_anchor_manifest.dag");
-const MANIFEST_PATH: &str = "src/v4/test/claim/manual/manual_anchor_manifest.dag";
-const DIAGNOSTIC_ASSERT_EVAL_DAG: &str =
-    include_str!("../../../../v4/test/claim/manual/diagnostic_assert_eval.dag");
-const DIAGNOSTIC_ASSERT_EVAL_PATH: &str = "src/v4/test/claim/manual/diagnostic_assert_eval.dag";
-const SG1B_FAILCLOSED_DAG: &str =
-    include_str!("../../../../v4/test/claim/manual/sg1b_signature_realization_failclosed.dag");
-const SG1B_FAILCLOSED_PATH: &str =
-    "src/v4/test/claim/manual/sg1b_signature_realization_failclosed.dag";
-const EVAL_DAG: &str = include_str!("../../../../v4/compiler/05_eval.dag");
-const RUNTIME_DAG: &str = include_str!("../../../../v4/std/runtime.dag");
-const LBE_GENERATED_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/language_behavior_equivalence.dag");
-const LBE_GENERATED_PATH: &str = "src/v4/test/claim/generated/language_behavior_equivalence.dag";
-const ALGEBRA_LAW_GENERATED_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/algebra_law_conformance.dag");
-const ALGEBRA_LAW_GENERATED_PATH: &str = "src/v4/test/claim/generated/algebra_law_conformance.dag";
-const TESTGEN_WISHLIST_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/testgen_category_wishlist.dag");
-const TESTGEN_WISHLIST_PATH: &str = "src/v4/test/claim/generated/testgen_category_wishlist.dag";
-const COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/coproduct_exhaustiveness.dag");
-const COPRODUCT_EXHAUSTIVENESS_GENERATED_PATH: &str =
-    "src/v4/test/claim/generated/coproduct_exhaustiveness.dag";
-const REFINEMENT_GENERATED_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/refinement_preservation.dag");
-const REFINEMENT_GENERATED_PATH: &str = "src/v4/test/claim/generated/refinement_preservation.dag";
-const IDEMPOTENT_OPERATION_GENERATED_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/idempotent_operation_conformance.dag");
-const IDEMPOTENT_OPERATION_GENERATED_PATH: &str =
-    "src/v4/test/claim/generated/idempotent_operation_conformance.dag";
-const EFFECTS_DAG: &str = include_str!("../../../../v4/std/effects.dag");
-const EFFECTS_PATH: &str = "src/v4/std/effects.dag";
-const DAG_INPUT_SURFACE_DAG: &str =
-    include_str!("../../../../v4/test/claim/lens_testgen/dag_input_surface.dag");
-const DAG_INPUT_SURFACE_PATH: &str = "src/v4/test/claim/lens_testgen/dag_input_surface.dag";
-const LBE_MANIFEST_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/lbe_anchor_manifest.dag");
-const LBE_MANIFEST_PATH: &str = "src/v4/test/claim/generated/lbe_anchor_manifest.dag";
-const REFINEMENT_MANIFEST_DAG: &str =
-    include_str!("../../../../v4/test/claim/generated/refinement_preservation_anchor_manifest.dag");
-const REFINEMENT_MANIFEST_PATH: &str =
-    "src/v4/test/claim/generated/refinement_preservation_anchor_manifest.dag";
-const VERIFICATION_DAG: &str = include_str!("../../../../v4/std/verification.dag");
-const VERIFICATION_PATH: &str = "src/v4/std/verification.dag";
-
-#[test]
-fn language_behavior_equivalence_generated_claims_parse() {
-    parse_module(LBE_GENERATED_DAG, LBE_GENERATED_PATH);
-}
-
-#[test]
-fn t19_algebra_law_generated_claims_parse_and_use_testgen_emit() {
-    parse_module(ALGEBRA_LAW_GENERATED_DAG, ALGEBRA_LAW_GENERATED_PATH);
-
-    assert!(
-        TESTGEN_DAG.contains("fn testgen_emit_algebra_law_claim")
-            && TESTGEN_DAG.contains("if lhs == rhs")
-            && TESTGEN_DAG.contains("t19_algebra_law_tautological_sides")
-            && TESTGEN_DAG
-                .contains("type AlgebraLawCase { anchor: ClaimAnchorKey, subject: AlgebraLawSubject }")
-            && TESTGEN_DAG.contains(
-                "fn algebra_law_claim_term(subject: AlgebraLawSubject, expression: Node) -> Node"
-            )
-            && TESTGEN_DAG
-                .contains("fn algebra_law_manual_claim_case(anchor: ManualAnchorKey) -> Outcome<AlgebraLawCase>")
-            && TESTGEN_DAG.contains(
-                "fn algebra_law_subject_for_manual_anchor(anchor: ManualAnchorKey) -> Outcome<AlgebraLawSubject>"
-            )
-            && TESTGEN_DAG.contains("match algebra_law_manual_claim_case(anchor: anchor)")
-            && TESTGEN_DAG.contains("match algebra_law_subject_for_manual_anchor(anchor: manual_anchor)")
-            && TESTGEN_DAG
-                .contains("lhs: algebra_law_claim_term(subject: law_case.subject, expression: lhs)")
-            && TESTGEN_DAG
-                .contains("rhs: algebra_law_claim_term(subject: law_case.subject, expression: rhs)")
-            && TESTGEN_DAG.contains("Rejected {")
-            && TESTGEN_DAG.contains("value: EqualsClaim {"),
-        "testgen must reject tautological algebra-law sides and derive AlgebraLawSubject from the checked algebra-law anchor"
-    );
-    assert!(
-        ALGEBRA_LAW_GENERATED_DAG.contains("testgen_emit_algebra_law_claim")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("Nat,")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("nat_add,")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("nat_mul")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("feature:t19-nat-expression-node-encoding")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("generated_nat_add_left_identity_claim")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("generated_nat_add_associativity_claim")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("generated_nat_mul_annihilator_claim")
-            && ALGEBRA_LAW_GENERATED_DAG
-                .contains("length(xs: generated_algebra_law_claim_rows()) == 3"),
-        "algebra-law generator slice must produce at least three sample TestClaim rows"
-    );
-    assert!(
-        ALGEBRA_LAW_GENERATED_DAG.contains("fn t19_generated_nat_add")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("fn t19_generated_nat_mul")
-            && ALGEBRA_LAW_GENERATED_DAG
-                .contains("operation: algebra_law_generated_nat_add_application")
-            && ALGEBRA_LAW_GENERATED_DAG
-                .contains("operation: algebra_law_generated_nat_mul_application")
-            && ALGEBRA_LAW_GENERATED_DAG
-                .contains("result: nat_add(a: t19_generated_nat_zero_value(), b: t19_generated_nat_one_value())")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("rhs: t19_generated_nat_one()")
-            && ALGEBRA_LAW_GENERATED_DAG
-                .contains("result: nat_mul(a: t19_generated_nat_zero_value(), b: t19_generated_nat_three_value())")
-            && ALGEBRA_LAW_GENERATED_DAG.contains("rhs: t19_generated_nat_zero()"),
-        "algebra-law samples must route generated Nat expression results through canonical nat_add/nat_mul, not exported operation/value mirror symbols"
-    );
-    for forbidden in [
-        "nat_algebra_law_subject_symbol_add_operation",
-        "nat_algebra_law_subject_symbol_mul_operation",
-        "nat_algebra_law_subject_symbol_zero_value",
-        "nat_algebra_law_subject_symbol_one_value",
-        "nat_algebra_law_subject_symbol_two_value",
-        "nat_algebra_law_subject_symbol_three_value",
-    ] {
-        assert!(
-            !ALGEBRA_LAW_GENERATED_DAG.contains(forbidden),
-            "algebra-law generated corpus must not consume {forbidden}"
-        );
-    }
-}
-
-#[test]
-fn t19_non_tautological_generator_wishlist_parse_and_pins_dispatch_rows() {
-    parse_module(TESTGEN_WISHLIST_DAG, TESTGEN_WISHLIST_PATH);
-
-    assert!(
-        TESTGEN_WISHLIST_DAG.contains("type TestgenOracleBasis")
-            && TESTGEN_WISHLIST_DAG.contains("feature:t19-generator-oracle-basis-carrier")
-            && TESTGEN_WISHLIST_DAG.contains("bound task: gunbc#4762",)
-            && TESTGEN_WISHLIST_DAG.contains("dissolve-on-arrival: delete TestgenOracleBasis")
-            && TESTGEN_WISHLIST_DAG.contains("StructuralConstructionWitness")
-            && TESTGEN_WISHLIST_DAG.contains("AlgebraLawWitness")
-            && TESTGEN_WISHLIST_DAG.contains("DiagnosticNegativeFixture")
-            && TESTGEN_WISHLIST_DAG.contains("LensObservationFixture")
-            && TESTGEN_WISHLIST_DAG.contains("RoundTripDifferential")
-            && TESTGEN_WISHLIST_DAG.contains("FrozenIoSnapshot")
-            && TESTGEN_WISHLIST_DAG.contains("RefinementProjectionWitness")
-            && TESTGEN_WISHLIST_DAG.contains("dispatch_key: Symbol"),
-        "T-19 wishlist rows must name an independent oracle basis plus a dispatch key"
-    );
-    assert!(
-        TESTGEN_WISHLIST_DAG.contains("generated_claim_anchor")
-            && TESTGEN_WISHLIST_DAG.contains("GeneratedCoproductExhaustiveness")
-            && TESTGEN_WISHLIST_DAG.contains("omitted_variant: TestClaimDiagnosticClaimVariant"),
-        "DiagnosticExhaustiveness dispatched row must use the generated coproduct-exhaustiveness anchor and omitted variant"
-    );
-
-    let pending = between(
-        TESTGEN_WISHLIST_DAG,
-        "fn testgen_pending_non_tautological_generator_wishlist",
-        "fn testgen_dispatched_non_tautological_generators",
-    );
-    assert_eq!(
-        pending.matches("TestgenWishlistRow {").count(),
-        3,
-        "wishlist must dispatch the three pending non-dispatched TestgenConcept categories"
-    );
-    for generator in [
-        "generator: wishlist_type_construction_generator()",
-        "generator: wishlist_lens_applicability_generator()",
-        "generator: wishlist_bidirectional_roundtrip_generator()",
-    ] {
-        assert!(
-            pending.contains(generator),
-            "pending wishlist must include {generator}"
-        );
-    }
-    assert!(
-        !pending.contains("slot: LanguageBehaviorEquivalence"),
-        "LBE has already shipped generated runner receipts and must stay out of pending wishlist rows"
-    );
-    assert!(
-        !pending.contains("slot: AlgebraLaw"),
-        "AlgebraLaw has generated corpus rows and must stay out of pending wishlist rows"
-    );
-    assert!(
-        !pending.contains("slot: DiagnosticExhaustiveness"),
-        "DiagnosticExhaustiveness has generated corpus rows and must stay out of pending wishlist rows"
-    );
-
-    let dispatched = between(
-        TESTGEN_WISHLIST_DAG,
-        "fn testgen_dispatched_non_tautological_generators",
-        "fn pending_non_tautological_generator_count_is_three",
-    );
-    assert_eq!(
-        dispatched.matches("TestgenWishlistRow {").count(),
-        4,
-        "wishlist must record the four already-dispatched generator rows"
-    );
-    assert!(
-        dispatched.contains("generator: dispatched_language_behavior_equivalence_generator()")
-            && dispatched.contains("oracle: FrozenIoSnapshot"),
-        "dispatched row must keep LBE tied to the frozen I/O snapshot oracle"
-    );
-    assert!(
-        dispatched.contains("generator: dispatched_algebra_law_generator()")
-            && dispatched.contains("oracle: AlgebraLawWitness")
-            && TESTGEN_WISHLIST_DAG.contains("anchor: manual_claim_anchor(anchor: ManualNatAddAssociativity)"),
-        "dispatched row must keep AlgebraLaw tied to the emitted algebra-law anchor and witness oracle"
-    );
-    assert!(
-        dispatched.contains("generator: dispatched_diagnostic_exhaustiveness_generator()")
-            && dispatched.contains("oracle: DiagnosticNegativeFixture")
-            && dispatched.contains("dispatch_key: t19_dispatched_diagnostic_exhaustiveness")
-            && between(
-                TESTGEN_WISHLIST_DAG,
-                "fn dispatched_diagnostic_exhaustiveness_generator",
-                "fn wishlist_lens_applicability_generator",
-            )
-            .contains("classification: TestClassification { tier: Tier1, layer: Unit }"),
-        "dispatched row must keep DiagnosticExhaustiveness tied to the emitted diagnostic oracle and Tier1 emitted claim classification"
-    );
-    assert!(
-        dispatched.contains("generator: dispatched_refinement_preservation_generator()")
-            && dispatched.contains("oracle: RefinementProjectionWitness")
-            && TESTGEN_WISHLIST_DAG
-                .contains("anchor: manual_claim_anchor(anchor: ManualRefinementNonEmptyListBase)"),
-        "dispatched row must keep RefinementPreservation tied to the emitted refinement anchor and projection witness oracle"
-    );
-}
-
-#[test]
-fn refinement_preservation_generated_claims_parse() {
-    parse_module(REFINEMENT_GENERATED_DAG, REFINEMENT_GENERATED_PATH);
-}
-
-#[test]
-fn refinement_preservation_receipts_present() {
-    assert!(
-        TESTGEN_DAG.contains("RefinementPreservation { subject: RefinementPreservationSubject }")
-            && TESTGEN_DAG.contains("fn testgen_emit_refinement_preservation_claim")
-            && TESTGEN_DAG.contains("fn testgen_scheduled_refinement_preservation_generators")
-            && TESTGEN_DAG.contains("-> Outcome<List<Generator<TestgenConcept>>>")
-            && !TESTGEN_DAG.contains("Rejected { diagnostics: _ } => Empty")
-            && TESTGEN_DAG.contains("-> Outcome<RefinementPreservationSubject>")
-            && TESTGEN_DAG.contains("refined: Refined<List<Node>>")
-            && TESTGEN_DAG.contains("refined_base(r: subject.refined)")
-            && TESTGEN_DAG.contains("ManualRefinementNonEmptyListBase")
-            && TESTGEN_DAG.contains(
-                "bootstrap_claim_generator_for_manual_anchor(key: ManualRefinementNonEmptyListBase)"
-            )
-            && REFINEMENT_GENERATED_DAG
-                .contains("refinement_preservation_subject_nonempty_list_base()")
-            && REFINEMENT_GENERATED_DAG
-                .contains("refined_base(r: subject.refined) == subject.original")
-            && REFINEMENT_GENERATED_DAG.contains(
-                "data claim_refinement_nonempty_list_base_preserved: Outcome<TestClaim>"
-            )
-            && REFINEMENT_GENERATED_DAG.contains(
-                "data witness_refinement_preserves_nonempty_list_base: Bool"
-            )
-            && REFINEMENT_GENERATED_DAG.contains(
-                "data witness_refinement_preservation_scheduler_emits_one_generator: Bool"
-            ),
-        "generated refinement-preservation corpus must derive a TestClaim through testgen_emit, prove refined_base preserves the accepted base, and prove the mandatory scheduler emits the refinement key"
-    );
-}
-
-#[test]
-fn idempotent_operation_generated_claims_parse_and_pin_emission() {
-    parse_module(EFFECTS_DAG, EFFECTS_PATH);
-    parse_module(
-        IDEMPOTENT_OPERATION_GENERATED_DAG,
-        IDEMPOTENT_OPERATION_GENERATED_PATH,
-    );
-    assert!(
-        IDEMPOTENT_OPERATION_GENERATED_DAG.contains("testgen_emit_idempotent_operation_claim")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG
-                .contains("generated_read_idempotent_operation_claim")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG
-                .contains("generated_upsert_idempotent_operation_claim")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG
-                .contains("generated_delete_idempotent_operation_claim")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG
-                .contains("generated_idempotent_operation_sample_count_is_three"),
-        "idempotent-operation generator slice must produce at least three sample TestClaim rows"
-    );
-    assert!(
-        IDEMPOTENT_OPERATION_GENERATED_DAG.contains("generated_label_only_skip_pins_rejection")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG.contains("generated_label_only_skip_is_rejected")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG.contains("import v4.std.node { Symbol }")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG.contains("Accepted { value: _, diagnostics: _ } => false")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG.contains("idempotent_operation_tautology_skip")
-            && IDEMPOTENT_OPERATION_GENERATED_DAG.contains("sample_label_only_subject")
-            && EFFECTS_DAG.contains("type ComposableIdempotentOperationSubject")
-            && EFFECTS_DAG.contains("Composable(ComposableIdempotentOperationSubject)")
-            && EFFECTS_DAG.contains("LabelOnlyIdempotentInhabitance")
-            && EFFECTS_DAG.contains("fn idempotent_operation_apply_twice(state: Node, subject: ComposableIdempotentOperationSubject)")
-            && EFFECTS_DAG.contains("fn idempotent_operation_apply_once(state: Node, subject: ComposableIdempotentOperationSubject)")
-            && EFFECTS_DAG.contains("ComputationNode { behavior: Transform }")
-            && EFFECTS_DAG.contains("key_source_path_param_value_field")
-            && TESTGEN_DAG.contains("idempotent_operation_apply_twice(state: sample_state"),
-        "idempotent-operation claims must model f(f(x))==f(x) via nested Transform application in v4.std.effects, with an explicit label-only skip path in the generated corpus"
-    );
-    assert!(
-        EFFECTS_DAG.contains("type IdempotentShape")
-            && EFFECTS_DAG.contains("type EffectShape")
-            && EFFECTS_DAG.contains("ReadIdempotentSample")
-            && EFFECTS_DAG.contains("fn idempotent_operation_witness_node")
-            && EFFECTS_DAG.contains("classified_idempotent_effect_node"),
-        "v4.std.effects must carry canonical IdempotentShape/EffectShape witnesses for generator subjects"
-    );
-    assert!(
-        TESTGEN_DAG.contains("fn testgen_emit_idempotent_operation_claim")
-            && TESTGEN_DAG.contains("import v4.std.effects")
-            && TESTGEN_DAG.contains("ComposableIdempotentOperationSubject")
-            && TESTGEN_DAG.contains("Composable(inner) =>")
-            && TESTGEN_DAG.contains("idempotent_operation_apply_twice")
-            && TESTGEN_DAG.contains("fn testgen_scheduled_idempotent_operation_subjects"),
-        "testgen lens must emit idempotent-operation claims from v4.std.effects composable subjects, not parallel Symbol/Node subjects"
-    );
-}
-
-#[test]
-fn language_behavior_equivalence_run_test_claim_receipts_present() {
-    assert!(
-        LBE_GENERATED_DAG.contains("run_test_claim(")
-            && LBE_GENERATED_DAG.contains("fn lbe_claim_from_testgen_emit")
-            && LBE_GENERATED_DAG.contains("-> Outcome<TestClaim>")
-            && LBE_GENERATED_DAG.contains("Fail { actual: Rejected { diagnostics:")
-            && LBE_GENERATED_DAG
-                .contains("data run_lbe_conj_via_run_test_claim: TestClaimRun<Node, RuntimeValue>")
-            && LBE_GENERATED_DAG
-                .contains("data run_lbe_disj_via_run_test_claim: TestClaimRun<Node, RuntimeValue>")
-            && LBE_GENERATED_DAG.contains(
-                "data run_lbe_transform_via_run_test_claim: TestClaimRun<Node, RuntimeValue>"
-            )
-            && LBE_GENERATED_DAG.contains("run_test_claim_assert(")
-            && LBE_GENERATED_DAG.contains("witness_lbe_conj_snapshot_pass")
-            && LBE_GENERATED_DAG.contains("witness_lbe_disj_snapshot_pass")
-            && LBE_GENERATED_DAG.contains("witness_lbe_transform_snapshot_pass")
-            && LBE_GENERATED_DAG.contains("testgen_scheduled_language_behavior_generators"),
-        "generated LBE corpus must wire frozen-snapshot mocks through run_test_claim_assert and run_test_claim"
-    );
-    assert!(
-        TESTGEN_DAG.contains("LanguageBehaviorEquivalence {")
-            && TESTGEN_DAG.contains("type FrozenLanguageBehaviorSnapshot")
-            && TESTGEN_DAG.contains("fn testgen_emit_language_behavior_equivalence_claim")
-            && TESTGEN_DAG.contains("lbe_label_conj_dag_surface"),
-        "testgen lens must emit LBE claims with frozen snapshot + I/O mock carriers"
-    );
-}
-
-#[test]
-fn coproduct_exhaustiveness_generated_claim_parse_and_witnesses_present() {
-    parse_module(
-        COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG,
-        COPRODUCT_EXHAUSTIVENESS_GENERATED_PATH,
-    );
-    assert!(
-        TESTGEN_DAG.contains("fn coproduct_exhaustiveness_subject_testclaim_compiles")
-            && TESTGEN_DAG.contains("fn coproduct_exhaustiveness_subject_testclaim_diagnostic")
-            && TESTGEN_DAG.contains("fn coproduct_exhaustiveness_subject_testclaim_equals")
-            && TESTGEN_DAG.contains("fn coproduct_exhaustiveness_subject_testclaim_roundtrip")
-            && TESTGEN_DAG.contains("fn testgen_emit_coproduct_exhaustiveness_claim")
-            && TESTGEN_DAG.contains("fn testgen_scheduled_coproduct_exhaustiveness_generators")
-            && TESTGEN_DAG.contains("slot: DiagnosticExhaustiveness")
-            && TESTGEN_DAG.contains("value: DiagnosticClaim {")
-            && TESTGEN_DAG.contains("anchor: generated_claim_anchor(anchor: anchor)"),
-        "T-19 DiagnosticExhaustiveness must emit coproduct-exhaustiveness TestClaim data from lens/testgen"
-    );
-    assert!(
-        TESTGEN_DAG.contains("fn coproduct_exhaustiveness_input(anchor: GeneratedAnchorKey) -> Node")
-            && TESTGEN_DAG.contains("fn coproduct_exhaustiveness_anchor_omitted_variant(anchor: GeneratedAnchorKey) -> TestClaimCoproductVariant")
-            && TESTGEN_DAG.contains("variant: coproduct_exhaustiveness_anchor_omitted_variant(")
-            && TESTGEN_DAG.contains("anchor: anchor")
-            && TESTGEN_DAG.contains("at: node_locus(node: input)")
-            && !TESTGEN_DAG.contains("NodeLocus { node: input }")
-            && TESTGEN_DAG.contains("identity: discriminant(v: variant)")
-            && !TESTGEN_DAG.contains("fn test_claim_coproduct_variant_symbol")
-            && !TESTGEN_DAG.contains("coproduct_exhaustiveness_compiles_claim_variant"),
-        "coproduct-exhaustiveness generation must carry omitted variant into the input node, use canonical node_locus, and project variant identity via discriminant()"
-    );
-    assert!(
-        COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG
-            .contains("fn generated_coproduct_exhaustiveness_claim() -> Outcome<TestClaim>")
-            && COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG
-                .contains("testgen_emit_coproduct_exhaustiveness_claim")
-            && COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG
-                .contains("witness_coproduct_exhaustiveness_diagnostic_claim")
-            && COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG
-                .contains("witness_coproduct_exhaustiveness_uses_generated_anchor")
-            && COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG
-                .contains("witness_coproduct_exhaustiveness_all_variants_emit")
-            && COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG
-                .contains("witness_coproduct_exhaustiveness_generator_count")
-            && COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG.contains(
-                "length(xs: testgen_scheduled_coproduct_exhaustiveness_generators()) == 4"
-            ),
-        "generated coproduct-exhaustiveness corpus must consume the testgen emit helper and expose all four missing-arm witnesses"
-    );
-}
-
-#[test]
-fn t22_diagnostic_assert_eval_witnesses_parse() {
-    parse_module(DIAGNOSTIC_ASSERT_EVAL_DAG, DIAGNOSTIC_ASSERT_EVAL_PATH);
-}
-
-#[test]
-fn sg1b_signature_realization_failclosed_receipt_parses() {
-    parse_module(SG1B_FAILCLOSED_DAG, SG1B_FAILCLOSED_PATH);
-}
-
-#[test]
-fn t22_eval_diagnostic_assert_not_deferred_in_substrate() {
-    assert!(
-        !EVAL_DAG.contains("eval_rejected_assert_kind_deferred"),
-        "removed deferred scaffold must not return"
-    );
-    assert!(
-        EVAL_DAG.contains("DiagnosticClaim { expected_rejection: expected")
-            && EVAL_DAG.contains("Rejected { diagnostics: expected }"),
-        "DiagnosticClaim must execute with polarity-specific rejection carrier (P2)"
-    );
-    assert!(
-        EVAL_DAG.contains("verdict: aggregate_verdicts(") && EVAL_DAG.contains("rs: ["),
-        "run_test_claim must route through aggregate_verdicts"
-    );
-    assert!(
-        EVAL_DAG.contains("CompilesClaim { expected_value: expected")
-            && EVAL_DAG.contains("Accepted { value: expected, diagnostics: None }"),
-        "CompilesClaim must compare actual against declared accepted Node (P2/P3 fail-closed)"
-    );
-    assert!(
-        EVAL_DAG.contains("eval_round_trip_claim_input_for_verdict(input: input)")
-            && EVAL_DAG.contains("run_test_claim_round_trip_verdict_runtime(")
-            && EVAL_DAG.contains("dag_round_trip_wave1_authorities_ready()"),
-        "RoundTripClaim must admit witness input structurally (IRT-3), not runtime-eval TypeNode, and re-derive wave-1 readiness from dag.dag authorities (P2; not Deferred)"
-    );
-    assert!(
-        !EVAL_DAG.contains("eval_rejected_roundtrip_deferred"),
-        "removed RoundTripClaim Deferred scaffold must not return"
-    );
-    assert!(
-        !EVAL_DAG.contains("Accepted { value: inputs.root"),
-        "eval_node must not fabricate Accepted{{value:inputs.root}} on unrealized eval (CI-signal-integrity: would falsely Pass CompilesClaim/EqualsClaim where expected==input)"
-    );
-    assert!(
-        RUNTIME_DAG.contains("type RuntimeValueNodeProjection")
-            && RUNTIME_DAG.contains("RuntimeValueNodeUnrepresentable")
-            && RUNTIME_DAG.contains("fn runtime_value_node_projection(value: RuntimeValue) -> RuntimeValueNodeProjection")
-            && EVAL_DAG.contains("fn eval_node(tree: InferredTree, inputs: Inputs) -> Outcome<Node>")
-            && EVAL_DAG.contains("runtime_value_node_projection(value: value)")
-            && EVAL_DAG.contains("eval_rejected_runtime_value_node_unrepresentable"),
-        "eval_node must consume std/runtime RuntimeValue-to-Node projection and fail closed when no faithful Node projection exists"
-    );
-    assert!(
-        !RUNTIME_DAG.contains("fn runtime_value_node(value: RuntimeValue) -> Node")
-            && !EVAL_DAG.contains("runtime_value_node(value: value)"),
-        "eval_node must not accept a hollow RuntimeValue-to-type alias as a realized Node"
-    );
-    assert!(
-        !EVAL_DAG.contains("eval_node_unrealized")
-            && !EVAL_DAG.contains("nd.head.reason == eval_node_unrealized"),
-        "eval_node_unrealized fail-closed scaffold must dissolve once eval_node projects RuntimeValue into Node"
-    );
-}
-
-/// T-19 testgen activation ratchet (INVARIANTS §P5 same-path expansion; +0 SG-0).
-/// Replaces `scripts/check_t19_testgen_activation.py` after #4252 removed `scripts/`.
-/// Substrate parse + structural substring receipts only.
-#[test]
-fn check_t19_testgen_activation() {
-    parse_module(DAG_INPUT_SURFACE_DAG, DAG_INPUT_SURFACE_PATH);
-    parse_module(LBE_MANIFEST_DAG, LBE_MANIFEST_PATH);
-    parse_module(REFINEMENT_MANIFEST_DAG, REFINEMENT_MANIFEST_PATH);
-    parse_module(LBE_GENERATED_DAG, LBE_GENERATED_PATH);
-    parse_module(TESTGEN_WISHLIST_DAG, TESTGEN_WISHLIST_PATH);
-    parse_module(ALGEBRA_LAW_GENERATED_DAG, ALGEBRA_LAW_GENERATED_PATH);
-    parse_module(
-        COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG,
-        COPRODUCT_EXHAUSTIVENESS_GENERATED_PATH,
-    );
-    parse_module(REFINEMENT_GENERATED_DAG, REFINEMENT_GENERATED_PATH);
-    parse_module(
-        IDEMPOTENT_OPERATION_GENERATED_DAG,
-        IDEMPOTENT_OPERATION_GENERATED_PATH,
-    );
-
-    require_substrings(
-        "lens_testgen/dag_input_surface",
-        DAG_INPUT_SURFACE_DAG,
-        &[
-            "witness_lens_testgen_schedules_dag_input_surface_green",
-            "witness_lens_testgen_bootstrap_generator_reifies_dag_input_surface_green",
-            "scheduled_language_behavior_generators_cover_dag_inputs()",
-            "for_all(",
-            "language_behavior_generator_uses_disj_dag_input",
-            "language_behavior_generator_uses_transform_dag_input",
-            "bootstrap_generator_has_conj_dag_input_surface()",
-            "dag_language_model_surface_id",
-            "testgen_scheduled_language_behavior_generators",
-            "bootstrap_claim_generator_for_manual_anchor",
-        ],
-    );
-    forbid_substrings(
-        "lens_testgen/dag_input_surface",
-        DAG_INPUT_SURFACE_DAG,
-        &["compile-only until T-19"],
-    );
-
-    require_substrings(
-        "lbe_anchor_manifest.dag",
-        LBE_MANIFEST_DAG,
-        &[
-            "ManualLbeConjDagSurface",
-            "ManualLbeDisjDagSurface",
-            "ManualLbeTransformDagSurface",
-        ],
-    );
-    require_substrings(
-        "refinement_preservation_anchor_manifest.dag",
-        REFINEMENT_MANIFEST_DAG,
-        &["ManualRefinementNonEmptyListBase"],
-    );
-
-    parse_module(VERIFICATION_DAG, VERIFICATION_PATH);
-
-    require_substrings(
-        VERIFICATION_PATH,
-        VERIFICATION_DAG,
-        &[
-            "ManualLbeConjDagSurface",
-            "ManualLbeDisjDagSurface",
-            "ManualLbeTransformDagSurface",
-            "type TestClaimCoproductVariant",
-            "feature:testclaim-coproduct-reflection; bound task: gunbc#4759",
-            "follow-up: delete this mirror when T-19 projects arm keys from TestClaim",
-            "GeneratedCoproductExhaustiveness { omitted_variant: TestClaimCoproductVariant }",
-            "ManualRefinementNonEmptyListBase",
-        ],
-    );
-
-    require_substrings(
-        "testgen.dag",
-        TESTGEN_DAG,
-        &[
-            "| LanguageBehaviorEquivalence {",
-            "type LanguageBehaviorEquivalenceSubject",
-            "type FrozenLanguageBehaviorSnapshot",
-            "type LanguageBehaviorIoMock",
-            "fn testgen_emit_language_behavior_equivalence_claim",
-            "fn testgen_emit_algebra_law_claim",
-            "if lhs == rhs",
-            "t19_algebra_law_tautological_sides",
-            "fn testgen_emit_idempotent_operation_claim",
-            "fn testgen_scheduled_language_behavior_generators",
-            "fn testgen_scheduled_idempotent_operation_subjects",
-            "dag_language_model_surface_id",
-            "ManualLbeConjDagSurface",
-            "ManualRefinementNonEmptyListBase",
-            "fn testgen_emit_coproduct_exhaustiveness_claim",
-            "fn testgen_scheduled_coproduct_exhaustiveness_generators",
-            "| RefinementPreservation { subject: RefinementPreservationSubject }",
-            "fn testgen_emit_refinement_preservation_claim",
-            "refined_base(r: subject.refined)",
-        ],
-    );
-
-    let concept_body = between(TESTGEN_DAG, "type TestgenConcept", "type Generator");
-    assert!(
-        concept_body.contains("LanguageBehaviorEquivalence"),
-        "LanguageBehaviorEquivalence must be a TestgenConcept variant"
-    );
-    assert!(
-        concept_body.contains("RefinementPreservation"),
-        "RefinementPreservation must be a TestgenConcept variant"
-    );
-    assert!(
-        !concept_body.contains("IdempotentOperationSubject"),
-        "IdempotentOperationSubject must stay outside the closed seven-way TestgenConcept coproduct"
-    );
-
-    let pending = between(
-        TESTGEN_WISHLIST_DAG,
-        "fn testgen_pending_non_tautological_generator_wishlist",
-        "fn testgen_dispatched_non_tautological_generators",
-    );
-    assert_eq!(
-        pending.matches("TestgenWishlistRow {").count(),
-        3,
-        "generator wishlist must carry exactly three pending non-dispatched rows"
-    );
-    for shipped in ["slot: AlgebraLaw", "slot: DiagnosticExhaustiveness"] {
-        assert!(
-            !pending.contains(shipped),
-            "{shipped} has generated rows and must stay out of pending wishlist rows"
-        );
-    }
-
-    let dispatched = between(
-        TESTGEN_WISHLIST_DAG,
-        "fn testgen_dispatched_non_tautological_generators",
-        "fn pending_non_tautological_generator_count_is_three",
-    );
-    assert_eq!(
-        dispatched.matches("TestgenWishlistRow {").count(),
-        4,
-        "generator wishlist must carry exactly four dispatched rows"
-    );
-    assert!(
-        dispatched.contains("generator: dispatched_language_behavior_equivalence_generator()")
-            && dispatched.contains("generator: dispatched_algebra_law_generator()")
-            && dispatched.contains("generator: dispatched_diagnostic_exhaustiveness_generator()")
-            && dispatched.contains("generator: dispatched_refinement_preservation_generator()"),
-        "dispatched wishlist rows must include LBE, AlgebraLaw, DiagnosticExhaustiveness, and RefinementPreservation"
-    );
-
-    require_substrings(
-        "language_behavior_equivalence.dag",
-        LBE_GENERATED_DAG,
-        &[
-            "run_test_claim_assert",
-            "run_test_claim(",
-            "witness_lbe_conj_snapshot_pass",
-            "witness_lbe_disj_snapshot_pass",
-            "witness_lbe_transform_snapshot_pass",
-            "witness_testgen_schedules_three_lbe_generators",
-            "lbe_io_mock_conj_dag_surface",
-        ],
-    );
-
-    require_substrings(
-        "coproduct_exhaustiveness.dag",
-        COPRODUCT_EXHAUSTIVENESS_GENERATED_DAG,
-        &[
-            "length(xs: testgen_scheduled_coproduct_exhaustiveness_generators()) == 4",
-            "witness_coproduct_exhaustiveness_generator_count",
-        ],
-    );
-
-    require_substrings(
-        "refinement_preservation.dag",
-        REFINEMENT_GENERATED_DAG,
-        &[
-            "witness_refinement_preserves_nonempty_list_base",
-            "refined_base(r: subject.refined) == subject.original",
-        ],
-    );
-
-    assert!(
-        ALGEBRA_LAW_GENERATED_DAG
-            .matches("data generated_nat_")
-            .count()
-            >= 3,
-        "algebra-law generator must produce at least three sample TestClaim rows"
-    );
-}
-
-#[test]
-fn testgen_concept_surface_stays_closed_and_classified() {
-    let module = parse_module(TESTGEN_DAG, TESTGEN_PATH);
-
-    assert_eq!(
-        variant_name_set(type_sum(&module, "TestgenConcept")),
-        expected_name_set(&[
-            "TypeConstruction",
-            "AlgebraLaw",
-            "DiagnosticExhaustiveness",
-            "LensApplicability",
-            "BidirectionalRoundtrip",
-            "LanguageBehaviorEquivalence",
-            "RefinementPreservation",
-        ]),
-        "T-19 scheduling arms must stay the closed seven-way set (LBE + refinement-preservation activation)"
-    );
-    assert_eq!(
-        record_field_type_map(type_record(&module, "Generator")),
-        expected_field_type_map(&[
-            ("kind", "TestClaimCoproductVariant"),
-            ("classification", "TestClassification"),
-            ("anchor", "ClaimAnchorKey"),
-            ("slot", "C"),
-            ("provenance", "GeneratorProvenance"),
-            ("profile_metadata", "GeneratorProfile"),
-        ]),
-        "Generator<C> must carry claim kind, anchor, classification, slot, provenance bundle, and profile metadata (F.2-P1 #4316)"
-    );
-}
-
-#[test]
-fn manual_manifest_matches_claim_anchor_discriminants() {
-    let connective = parse_module(CONNECTIVE_ANCHORS_DAG, CONNECTIVE_ANCHORS_PATH);
-    let nat_laws = parse_module(NAT_LAW_ANCHORS_DAG, NAT_LAW_ANCHORS_PATH);
-    let manifest = parse_module(MANIFEST_DAG, MANIFEST_PATH);
-
-    let manifest_keys = manifest_anchor_values(&manifest);
-    let claim_keys = claim_anchor_values(&[&connective, &nat_laws]);
-
-    assert_eq!(
-        manifest_keys.len(),
-        17,
-        "T-19 manifest is the seventeen live anchors"
-    );
-    assert_eq!(
-        claim_keys, manifest_keys,
-        "manual TestClaim.anchor values must join to the manifest by the same ManualAnchorKey discriminants"
-    );
-    assert!(
-        !claim_keys.contains("ManualAnchorAbsent"),
-        "the seventeen live manual anchors must not route through the absent sentinel"
-    );
-}
-
-#[test]
-fn claim_corpus_has_no_direct_manual_anchor_assignments() {
-    let root = workspace_root().join("src/v4/test/claim");
-    let mut dag_files = Vec::new();
-    collect_dag_files(&root, &mut dag_files);
-    dag_files.push(workspace_root().join("src/v4/lens/testgen.dag"));
-
-    let mut offenders = Vec::new();
-    for path in dag_files {
-        let source =
-            fs::read_to_string(&path).unwrap_or_else(|e| panic!("read {}: {e}", path.display()));
-        let file_str = path
-            .strip_prefix(workspace_root())
-            .unwrap_or(path.as_path())
-            .to_str()
-            .unwrap_or("")
-            .to_string();
-        let Ok(tokens) = tokenize_for_test(&source, &file_str) else {
-            continue;
-        };
-        let Ok(module) = parse_for_test(&tokens, &file_str) else {
-            continue;
-        };
-        for item in &module.items {
-            let SurfaceItem::Data {
-                name: data_name,
-                ty: SurfaceType::Named { name: ty_name, .. },
-                body: Some(body),
-                ..
-            } = item
-            else {
-                continue;
-            };
-            if ty_name == "TestClaim" && testclaim_anchor_is_direct_var(body) {
-                offenders.push(format!("{file_str}: data {data_name}"));
-            }
-        }
-    }
-
-    assert!(
-        offenders.is_empty(),
-        "TestClaim.anchor fields must use manual_claim_anchor(...) after the ClaimAnchorKey split:\n{}",
-        offenders.join("\n")
-    );
-}
-
-#[test]
-fn t20_bootstrap_plan_keeps_self_hosting_chain_as_data() {
-    let module = parse_module(BOOTSTRAP_DAG, BOOTSTRAP_PATH);
-
-    assert_eq!(
-        record_field_type_map(type_record(&module, "CompileStage")),
-        expected_field_type_map(&[
-            ("consumes", "List<Symbol>"),
-            ("produces", "Symbol"),
-            ("produces_hash", "BootstrapHashPin"),
-            ("compiled_by", "Symbol"),
-        ]),
-        "CompileStage must keep the compiler-of-record as a structural field"
-    );
-    assert_eq!(
-        record_field_type_map(type_record(&module, "BootstrapHashPin")),
-        expected_field_type_map(&[("digest", "Hash"), ("pin", "Symbol")]),
-        "BootstrapHashPin must keep digest and symbolic pin as structured fields"
-    );
-    assert_eq!(
-        record_field_type_map(type_record(&module, "FixptStage1Stage2")),
-        expected_field_type_map(&[
-            ("left", "Symbol"),
-            ("left_hash", "BootstrapHashPin"),
-            ("right", "Symbol"),
-            ("right_hash", "BootstrapHashPin"),
-            ("pinned_hash", "BootstrapHashPin"),
-        ]),
-        "FixptStage1Stage2 must carry only the canonical compared hashes and fixed-point pin"
-    );
-    assert!(
-        !BOOTSTRAP_DAG.contains("type BootstrapFixptWitness")
-            && BOOTSTRAP_DAG.contains("fn bootstrap_fixpt_witness(f: FixptStage1Stage2) -> Witness<FixptStage1Stage2>")
-            && BOOTSTRAP_DAG.contains("data bootstrap_plan_fixpt_witness: Witness<FixptStage1Stage2>"),
-        "fixpt proof must flow through canonical Witness<FixptStage1Stage2> without an N-wrapper record"
-    );
-    assert_eq!(
-        record_field_type_map(type_record(&module, "BootstrapPlan")),
-        expected_field_type_map(&[
-            ("seed", "CompileStage"),
-            ("self0", "CompileStage"),
-            ("self1", "CompileStage"),
-            ("fixpt", "FixptStage1Stage2"),
-        ]),
-        "BootstrapPlan must stay the seed/self0/self1/fixpt chain"
-    );
-
-    let plan = data_expr(&module, "bootstrap_plan");
-    let call_args = match plan {
-        SurfaceExpr::Call { target, args, .. } => {
-            assert_eq!(target, "bootstrap_plan_well_formed");
-            args
-        }
-        other => panic!("bootstrap_plan must call bootstrap_plan_well_formed, got {other:?}"),
-    };
-    assert_eq!(
-        call_args.len(),
-        1,
-        "bootstrap_plan_well_formed takes one plan"
-    );
-    let bootstrap_plan_arg = match &call_args[0] {
-        SurfaceExpr::Record { fields, .. } => record_field_expr(fields, "p"),
-        other => other,
-    };
-    let bootstrap_plan_fields = match bootstrap_plan_arg {
-        SurfaceExpr::VariantRecord { target, fields, .. } => {
-            assert_eq!(target, "BootstrapPlan");
-            fields
-        }
-        other => panic!("bootstrap_plan argument must be a BootstrapPlan record, got {other:?}"),
-    };
-
-    assert_compile_stage(
-        record_field_expr(bootstrap_plan_fields, "seed"),
-        &["v4_dag_source"],
-        "v4_stage0_binary",
-        ("v4_stage0_hash", "v4_stage0_hash_pin"),
-        "v2_pipeline",
-    );
-    assert_compile_stage(
-        record_field_expr(bootstrap_plan_fields, "self0"),
-        &["v4_dag_source", "v4_stage0_binary"],
-        "v4_stage1_binary",
-        ("v4_stage1_hash", "v4_stage1_hash_pin"),
-        "v4_stage0_binary",
-    );
-    assert_compile_stage(
-        record_field_expr(bootstrap_plan_fields, "self1"),
-        &["v4_dag_source", "v4_stage1_binary"],
-        "v4_stage2_binary",
-        ("v4_stage1_hash", "v4_stage2_hash_pin"),
-        "v4_stage1_binary",
-    );
-    assert_fixpt(
-        record_field_expr(bootstrap_plan_fields, "fixpt"),
-        "v4_stage1_binary",
-        ("v4_stage1_hash", "v4_stage1_hash_pin"),
-        "v4_stage2_binary",
-        ("v4_stage1_hash", "v4_stage2_hash_pin"),
-        ("v4_stage1_hash", "pinned_v4_fixed_point_hash_pin"),
-    );
-    assert!(
-        BOOTSTRAP_DAG.contains("data v4_stage2_hash: Hash = v4_stage2_hash")
-            && BOOTSTRAP_DAG.contains(
-                "data pinned_v4_fixed_point_hash: Hash = pinned_v4_fixed_point_hash"
-            ),
-        "bootstrap must declare stage-2 and pinned digest carriers as independent Hash facts (A2+A3)"
-    );
-    assert!(
-        BOOTSTRAP_DAG.contains("p.self0.produces_hash.digest == p.self1.produces_hash.digest")
-            && BOOTSTRAP_DAG
-                .contains("p.fixpt.left_hash.digest == p.self0.produces_hash.digest")
-            && BOOTSTRAP_DAG
-                .contains("p.fixpt.right_hash.digest == p.self1.produces_hash.digest")
-            && BOOTSTRAP_DAG
-                .contains("p.fixpt.pinned_hash.digest == p.self0.produces_hash.digest")
-            && BOOTSTRAP_DAG.contains("match bootstrap_fixpt_witness(f: p.fixpt)")
-            && BOOTSTRAP_DAG.contains("Holds { value: _ } =>")
-            && BOOTSTRAP_DAG.contains("data bootstrap_plan_fixpt_witness: Witness<FixptStage1Stage2>")
-            && !BOOTSTRAP_DAG.contains("BootstrapFixptWitness")
-            && !BOOTSTRAP_DAG.contains("fn bootstrap_fixpt_holds")
-            && !BOOTSTRAP_DAG.contains("p.fixpt.witness"),
-        "bootstrap_plan_well_formed must enforce digest convergence through canonical fixpt fields and consume the derived witness directly (A2+A3/P2)"
-    );
-    assert!(
-        !BOOTSTRAP_DAG.contains("p.fixpt.left_hash.pin == p.fixpt.right_hash.pin")
-            && !BOOTSTRAP_DAG.contains("p.fixpt.left_hash.pin == p.fixpt.pinned_hash.pin"),
-        "fixpt pins identify independent carrier slots; digest equality proves convergence (A2+A3)"
-    );
-    const CONNECTIVE_ANCHORS: &str =
-        include_str!("../../../../v4/test/claim/manual/connective_anchors.dag");
-    assert!(
-        CONNECTIVE_ANCHORS.contains("claim_arrow_empty_rejected")
-            && CONNECTIVE_ANCHORS.contains("claim_transform_empty_rejected")
-            && CONNECTIVE_ANCHORS.contains("claim_branch_empty_rejected")
-            && CONNECTIVE_ANCHORS.contains("claim_loop_empty_rejected")
-            && CONNECTIVE_ANCHORS.contains("claim_bind_zero_children_rejected"),
-        "A1 arity gate must pin rejection receipts for Arrow/Transform/Branch/Loop/Bind shapes (TESTING.md regression discipline)"
-    );
-    assert!(
-        BOOTSTRAP_DAG.contains("bootstrap_plan_fixpt_digest_mismatch_rejects")
-            && BOOTSTRAP_DAG.contains("produces_hash: BootstrapHashPin { digest: v4_stage2_hash, pin: v4_stage2_hash_pin")
-            && BOOTSTRAP_DAG.contains("right_hash: BootstrapHashPin { digest: v4_stage2_hash, pin: v4_stage2_hash_pin"),
-        "mismatch regression must wire stage-2 and fixpt.right through v4_stage2_hash (not an unrelated seed digest)"
-    );
-}
-
-#[test]
-fn rr_a_step2_bootstrap_evaluator_corpus_harness_entry() {
-    let _ = parse_module(BOOTSTRAP_DAG, BOOTSTRAP_PATH);
-    let _ = parse_module(CLI_DAG, CLI_PATH);
-
-    assert!(
-        BOOTSTRAP_DAG.contains("type BootstrapEvaluatorCorpusHarnessEntry")
-            && BOOTSTRAP_DAG.contains("fn bootstrap_evaluator_corpus_harness_entry()")
-            && BOOTSTRAP_DAG.contains("entry_fn: run_manual_testclaim_corpus_eval")
-            && BOOTSTRAP_DAG.contains("data run_manual_testclaim_corpus_eval: Symbol = run_manual_testclaim_corpus_eval")
-            && BOOTSTRAP_DAG.contains("entry_module: v4_test_claim_workflow_testclaim_corpus_runner")
-            && BOOTSTRAP_DAG.contains("runtime_model: v4_evaluator_runtime_wave1()")
-            && BOOTSTRAP_DAG.contains("stage0_binary: v4_stage0_binary")
-            && BOOTSTRAP_DAG.contains("data witness_bootstrap_evaluator_corpus_harness_well_formed: Bool"),
-        "RR-A §5.2: bootstrap must model stage0 corpus harness with wave1 runtime pin and run_manual_testclaim_corpus_eval entry"
-    );
-    assert!(
-        CLI_DAG.contains("type GunbcTestCorpusHarnessRoute")
-            && CLI_DAG.contains(
-                "data gunbc_test_manual_corpus_harness_route: GunbcTestCorpusHarnessRoute"
-            )
-            && CLI_DAG.contains("harness: bootstrap_manual_corpus_harness")
-            && CLI_DAG.contains(".harness.entry_fn == run_manual_testclaim_corpus_eval")
-            && CLI_DAG.contains("fn gunbc_test_manual_corpus_harness_route_well_formed()"),
-        "cli.dag must expose harness route typed separately from GunbcTestRoute.selection_fn (P2)"
-    );
-}
-
-/// Returns true when a `data x: TestClaim = …` body directly assigns a ManualAnchorKey
-/// variant to the `anchor` field (not wrapped in `manual_claim_anchor`).
-/// Helper-function bodies (arity_rejection_claim, testgen_emit_*, etc.) are Call
-/// expressions and are never flagged — they wrap the anchor internally.
-fn testclaim_anchor_is_direct_var(body: &SurfaceExpr) -> bool {
-    let SurfaceExpr::VariantRecord { fields, .. } = body else {
-        return false;
-    };
-    let Some(anchor_expr) = fields
-        .iter()
-        .find_map(|f| (f.name == "anchor").then_some(&f.value))
-    else {
-        return false;
-    };
-    matches!(anchor_expr, SurfaceExpr::Var { .. })
-}
-
-fn workspace_root() -> PathBuf {
-    PathBuf::from(env!("CARGO_MANIFEST_DIR")).join("../../..")
-}
-
-fn collect_dag_files(root: &Path, out: &mut Vec<PathBuf>) {
-    let entries = fs::read_dir(root).unwrap_or_else(|e| panic!("read_dir {}: {e}", root.display()));
-    for entry in entries {
-        let entry = entry.unwrap_or_else(|e| panic!("read_dir entry {}: {e}", root.display()));
-        let path = entry.path();
-        if path.is_dir() {
-            collect_dag_files(&path, out);
-        } else if path.extension().is_some_and(|ext| ext == "dag") {
-            out.push(path);
-        }
-    }
-}
-
-fn parse_module(source: &str, file: &str) -> SurfaceModule {
-    let tokens = tokenize_for_test(source, file)
-        .unwrap_or_else(|diag| panic!("{file}: tokenization failed: {diag:?}"));
-    parse_for_test(&tokens, file).unwrap_or_else(|diag| panic!("{file}: parse failed: {diag:?}"))
-}
-
-fn type_sum<'a>(module: &'a SurfaceModule, name: &str) -> &'a [SurfaceVariant] {
-    module
-        .items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::TypeSum {
-                name: item_name,
-                variants,
-                ..
-            } if item_name == name => Some(variants.as_slice()),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("missing type sum {name}"))
-}
-
-fn type_record<'a>(module: &'a SurfaceModule, name: &str) -> &'a [SurfaceField] {
-    module
-        .items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::TypeRecord {
-                name: item_name,
-                fields,
-                ..
-            } if item_name == name => Some(fields.as_slice()),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("missing type record {name}"))
-}
-
-fn data_expr<'a>(module: &'a SurfaceModule, name: &str) -> &'a SurfaceExpr {
-    module
-        .items
-        .iter()
-        .find_map(|item| match item {
-            SurfaceItem::Data {
-                name: item_name,
-                body: Some(body),
-                ..
-            } if item_name == name => Some(body),
-            _ => None,
-        })
-        .unwrap_or_else(|| panic!("missing data {name}"))
-}
-
-fn variant_name_set(variants: &[SurfaceVariant]) -> BTreeSet<&str> {
-    variants
-        .iter()
-        .map(|variant| variant.name.as_str())
-        .collect()
-}
-
-fn expected_name_set(names: &[&'static str]) -> BTreeSet<&'static str> {
-    names.iter().copied().collect()
-}
-
-fn record_field_type_map(fields: &[SurfaceField]) -> BTreeMap<&str, String> {
-    fields
-        .iter()
-        .map(|field| (field.name.as_str(), surface_type_name(&field.ty)))
-        .collect()
-}
-
-fn expected_field_type_map(
-    fields: &[(&'static str, &'static str)],
-) -> BTreeMap<&'static str, String> {
-    fields
-        .iter()
-        .map(|(name, ty)| (*name, (*ty).to_string()))
-        .collect()
-}
-
-fn surface_type_name(ty: &SurfaceType) -> String {
-    match ty {
-        SurfaceType::Named { name, .. } => name.clone(),
-        SurfaceType::Parameterized { name, args, .. } => {
-            let rendered = args
-                .iter()
-                .map(|arg| match arg {
-                    TypeAngleArg::TypeExpr { ty } => surface_type_name(ty),
-                    TypeAngleArg::WidthNatLiteral { decimal, .. } => decimal.clone(),
-                })
-                .collect::<Vec<_>>()
-                .join(", ");
-            format!("{name}<{rendered}>")
-        }
-        SurfaceType::Optional { inner, .. } => format!("?{}", surface_type_name(inner)),
-        SurfaceType::Arrow { .. } => "fn".to_string(),
-    }
-}
-
-fn manifest_anchor_values(module: &SurfaceModule) -> BTreeSet<&str> {
-    module
-        .items
-        .iter()
-        .filter_map(|item| match item {
-            SurfaceItem::Data {
-                ty: SurfaceType::Named { name: ty_name, .. },
-                body: Some(SurfaceExpr::Var { name, .. }),
-                ..
-            } if ty_name == "ManualAnchorKey" => Some(name.as_str()),
-            _ => None,
-        })
-        .collect()
-}
-
-fn claim_anchor_values<'a>(modules: &[&'a SurfaceModule]) -> BTreeSet<&'a str> {
-    modules
-        .iter()
-        .flat_map(|module| module.items.iter())
-        .filter_map(|item| match item {
-            SurfaceItem::Data {
-                ty: SurfaceType::Named { name: ty_name, .. },
-                body: Some(body),
-                ..
-            } if ty_name == "TestClaim" => Some(claim_anchor_name(body)),
-            _ => None,
-        })
-        .collect()
-}
-
-fn claim_anchor_name(body: &SurfaceExpr) -> &str {
-    let anchor_expr = match body {
-        SurfaceExpr::VariantRecord { fields, .. } => record_field_expr(fields, "anchor"),
-        SurfaceExpr::Call { target, args, .. } if target == "arity_rejection_claim" => {
-            let SurfaceExpr::Record { fields, .. } = args
-                .first()
-                .unwrap_or_else(|| panic!("arity_rejection_claim must take one named-arg record"))
-            else {
-                panic!(
-                    "arity_rejection_claim args must desugar to Record, got {:?}",
-                    args.first()
-                );
-            };
-            record_field_expr(fields, "anchor")
-        }
-        other => panic!(
-            "TestClaim data body must be variant record or arity_rejection_claim, got {other:?}"
-        ),
-    };
-    match anchor_expr {
-        SurfaceExpr::Var { name, .. } => name.as_str(),
-        SurfaceExpr::Call { target, args, .. } if target == "manual_claim_anchor" => {
-            let SurfaceExpr::Record { fields, .. } = args
-                .first()
-                .unwrap_or_else(|| panic!("manual_claim_anchor must take one named-arg record"))
-            else {
-                panic!(
-                    "manual_claim_anchor args must desugar to Record, got {:?}",
-                    args.first()
-                );
-            };
-            match record_field_expr(fields, "anchor") {
-                SurfaceExpr::Var { name, .. } => name.as_str(),
-                other => panic!(
-                    "manual claim anchor wrapper must carry a discriminant var, got {other:?}"
-                ),
-            }
-        }
-        other => panic!("TestClaim.anchor must be a discriminant var, got {other:?}"),
-    }
-}
-
-fn record_field_expr<'a>(fields: &'a [SurfaceRecordField], name: &str) -> &'a SurfaceExpr {
-    fields
-        .iter()
-        .find_map(|field| (field.name == name).then_some(&field.value))
-        .unwrap_or_else(|| panic!("missing record field {name}"))
-}
-
-fn require_substrings(label: &str, text: &str, needles: &[&str]) {
-    let missing: Vec<_> = needles
-        .iter()
-        .copied()
-        .filter(|n| !text.contains(n))
-        .collect();
-    assert!(
-        missing.is_empty(),
-        "{label}: missing required substrings: {missing:?}"
-    );
-}
-
-fn forbid_substrings(label: &str, text: &str, needles: &[&str]) {
-    let present: Vec<_> = needles
-        .iter()
-        .copied()
-        .filter(|n| text.contains(n))
-        .collect();
-    assert!(
-        present.is_empty(),
-        "{label}: forbidden substrings present: {present:?}"
-    );
-}
-
-fn between<'a>(text: &'a str, start: &str, end: &str) -> &'a str {
-    text.split_once(start)
-        .and_then(|(_, tail)| tail.split_once(end).map(|(middle, _)| middle))
-        .unwrap_or_else(|| panic!("missing expected span from {start:?} to {end:?}"))
-}
-
-fn assert_compile_stage(
-    expr: &SurfaceExpr,
-    expected_consumes: &[&str],
-    expected_produces: &str,
-    expected_produces_hash: (&str, &str),
-    expected_compiled_by: &str,
-) {
-    let fields = match expr {
-        SurfaceExpr::VariantRecord { target, fields, .. } => {
-            assert_eq!(target, "CompileStage");
-            fields
-        }
-        other => panic!("expected CompileStage record, got {other:?}"),
-    };
-
-    assert_eq!(
-        list_var_names(record_field_expr(fields, "consumes")),
-        expected_consumes,
-        "CompileStage.consumes drifted"
-    );
-    assert_eq!(
-        var_name(record_field_expr(fields, "produces")),
-        expected_produces,
-        "CompileStage.produces drifted"
-    );
-    assert_hash_pin(
-        record_field_expr(fields, "produces_hash"),
-        expected_produces_hash,
-        "CompileStage.produces_hash",
-    );
-    assert_eq!(
-        var_name(record_field_expr(fields, "compiled_by")),
-        expected_compiled_by,
-        "CompileStage.compiled_by drifted"
-    );
-}
-
-fn assert_fixpt(
-    expr: &SurfaceExpr,
-    expected_left: &str,
-    expected_left_hash: (&str, &str),
-    expected_right: &str,
-    expected_right_hash: (&str, &str),
-    expected_pinned_hash: (&str, &str),
-) {
-    let fields = match expr {
-        SurfaceExpr::VariantRecord { target, fields, .. } => {
-            assert_eq!(target, "FixptStage1Stage2");
-            fields
-        }
-        other => panic!("expected FixptStage1Stage2 record, got {other:?}"),
-    };
-
-    assert_eq!(var_name(record_field_expr(fields, "left")), expected_left);
-    assert_hash_pin(
-        record_field_expr(fields, "left_hash"),
-        expected_left_hash,
-        "FixptStage1Stage2.left_hash",
-    );
-    assert_eq!(var_name(record_field_expr(fields, "right")), expected_right);
-    assert_hash_pin(
-        record_field_expr(fields, "right_hash"),
-        expected_right_hash,
-        "FixptStage1Stage2.right_hash",
-    );
-    assert_hash_pin(
-        record_field_expr(fields, "pinned_hash"),
-        expected_pinned_hash,
-        "FixptStage1Stage2.pinned_hash",
-    );
-}
-
-fn assert_hash_pin(expr: &SurfaceExpr, expected: (&str, &str), label: &str) {
-    let fields = match expr {
-        SurfaceExpr::VariantRecord { target, fields, .. } => {
-            assert_eq!(target, "BootstrapHashPin", "{label} target drifted");
-            fields
-        }
-        other => panic!("{label} must be a BootstrapHashPin record, got {other:?}"),
-    };
-
-    assert_eq!(
-        var_name(record_field_expr(fields, "digest")),
-        expected.0,
-        "{label}.digest drifted"
-    );
-    assert_eq!(
-        var_name(record_field_expr(fields, "pin")),
-        expected.1,
-        "{label}.pin drifted"
-    );
-}
-
-fn list_var_names(expr: &SurfaceExpr) -> Vec<&str> {
-    match expr {
-        SurfaceExpr::List { elements, .. } => elements.iter().map(var_name).collect(),
-        other => panic!("expected list of symbols, got {other:?}"),
-    }
-}
-
-fn var_name(expr: &SurfaceExpr) -> &str {
-    match expr {
-        SurfaceExpr::Var { name, .. } => name,
-        other => panic!("expected symbol var, got {other:?}"),
-    }
-}
diff --git a/src/v3/compiler/tests/integration/value_body_substrate_mirror_isomorphism_test.rs b/src/v3/compiler/tests/integration/value_body_substrate_mirror_isomorphism_test.rs
deleted file mode 100644
index 28457b6164c..00000000000
--- a/src/v3/compiler/tests/integration/value_body_substrate_mirror_isomorphism_test.rs
+++ /dev/null
@@ -1,260 +0,0 @@
-//! **Layer:** integration
-//!
-//! §1.8 gate #96: `value_body_substrate_mirror_isomorphism_executable`.
-//! The Rust `ValueBody` enum is generated from `src/v3/std/substrate.dag`;
-//! this gate fails closed when the generated Rust mirror is stale or when the
-//! substrate constructors drift from the generated carrier shape.
-
-use v3_compiler::dag::{FieldMap, LiteralBits, ValueBody};
-use v3_compiler::SourceSpan;
-
-const SUBSTRATE_DAG: &str = include_str!(concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/../../../src/v3/std/substrate.dag"
-));
-const GENERATED_VALUE_BODY: &str = include_str!(concat!(
-    env!("CARGO_MANIFEST_DIR"),
-    "/src/dag_value_body_generated.rs"
-));
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-struct VariantShape {
-    name: String,
-    payload: PayloadShape,
-}
-
-// 🟢 TERMINAL test-helper coproduct: generated Rust enum payload syntax for
-// this mirror parser is either tuple-shaped or record-shaped.
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum PayloadShape {
-    Tuple(String),
-    Record(Vec<(String, String)>),
-}
-
-#[test]
-fn value_body_substrate_mirror_isomorphism_executable() {
-    let substrate_variants = substrate_value_body_variants(SUBSTRATE_DAG);
-    let generated_variants = generated_value_body_variants(GENERATED_VALUE_BODY);
-    let runtime_variants = rust_value_body_variants();
-
-    assert_generated_value_body_map_uses_field_map(&generated_variants);
-    assert_eq!(
-        normalize_generated_value_body_variants(&generated_variants),
-        substrate_variants,
-        "generated Rust `ValueBody` payload shape must stay isomorphic with `src/v3/std/substrate.dag`"
-    );
-    assert_eq!(
-        runtime_variants,
-        substrate_variants
-            .iter()
-            .map(|variant| variant.name.as_str())
-            .collect::<Vec<_>>(),
-        "live Rust `ValueBody` exhaustiveness witness must stay isomorphic with `src/v3/std/substrate.dag`"
-    );
-}
-
-#[test]
-fn value_body_map_fieldmap_duplicate_key_invariant_is_executable() {
-    let duplicate = FieldMap::from_entries(vec![
-        (
-            "same".to_string(),
-            v3_compiler::dag::FieldValue::Literal(LiteralBits::Bool(true)),
-        ),
-        (
-            "same".to_string(),
-            v3_compiler::dag::FieldValue::Literal(LiteralBits::Bool(false)),
-        ),
-    ])
-    .expect_err("FieldMap must reject duplicate keys");
-
-    assert_eq!(duplicate.key, "same");
-}
-
-fn substrate_value_body_variants(source: &str) -> Vec<VariantShape> {
-    let mut variants = Vec::new();
-    let mut in_value_body = false;
-
-    for line in source.lines() {
-        let trimmed = line.trim();
-        if trimmed == "type ValueBody" {
-            in_value_body = true;
-            continue;
-        }
-        if !in_value_body {
-            continue;
-        }
-        if trimmed.is_empty() || trimmed.starts_with("//") {
-            continue;
-        }
-        if trimmed.starts_with("type ") {
-            break;
-        }
-        if let Some(rest) = trimmed
-            .strip_prefix("= ValueBody")
-            .or_else(|| trimmed.strip_prefix("| ValueBody"))
-        {
-            // Substrate constructor names carry the `ValueBody` family prefix
-            // (`ValueBodyUnparsed`); Rust enum variants are the suffix.
-            variants.push(parse_substrate_variant(rest));
-        }
-    }
-
-    variants
-}
-
-fn generated_value_body_variants(source: &str) -> Vec<VariantShape> {
-    let mut variants = Vec::new();
-    let mut lines = source.lines().peekable();
-
-    while let Some(line) = lines.next() {
-        let trimmed = line.trim();
-        if !trimmed.starts_with(char::is_uppercase) || trimmed.starts_with("pub enum ") {
-            continue;
-        }
-
-        if let Some((name, rest)) = trimmed.split_once('(') {
-            variants.push(VariantShape {
-                name: name.to_string(),
-                payload: PayloadShape::Tuple(rest.trim_end_matches("),").to_string()),
-            });
-            continue;
-        }
-
-        if let Some(name) = trimmed.strip_suffix(" {") {
-            let mut fields = Vec::new();
-            for field_line in lines.by_ref() {
-                let field = field_line.trim();
-                if field == "}," {
-                    break;
-                }
-                let (label, ty) = field
-                    .trim_end_matches(',')
-                    .split_once(": ")
-                    .expect("generated ValueBody record field");
-                fields.push((label.to_string(), ty.to_string()));
-            }
-            variants.push(VariantShape {
-                name: name.to_string(),
-                payload: PayloadShape::Record(fields),
-            });
-            continue;
-        }
-
-        panic!("unsupported generated ValueBody variant shape: {trimmed}");
-    }
-
-    variants
-}
-
-fn rust_value_body_variants() -> Vec<&'static str> {
-    [
-        ValueBody::Unparsed(SourceSpan::new("value_body_gate.dag", 0, 0)),
-        ValueBody::Structural { fields: Vec::new() },
-        ValueBody::Scalar(LiteralBits::Bool(true)),
-        ValueBody::List(Vec::new()),
-        ValueBody::Map(FieldMap::from_entries(Vec::new()).expect("empty map is valid")),
-    ]
-    .iter()
-    .map(rust_value_body_variant_name)
-    .collect()
-}
-
-fn rust_value_body_variant_name(body: &ValueBody) -> &'static str {
-    match body {
-        ValueBody::Unparsed(_) => "Unparsed",
-        ValueBody::Structural { .. } => "Structural",
-        ValueBody::Scalar(_) => "Scalar",
-        ValueBody::List(_) => "List",
-        ValueBody::Map(_) => "Map",
-    }
-}
-
-fn variant_name(text: &str) -> &str {
-    let end = text
-        .find(|c: char| c == '(' || c == '{' || c == ',' || c.is_whitespace())
-        .unwrap_or(text.len());
-    &text[..end]
-}
-
-fn parse_substrate_variant(text: &str) -> VariantShape {
-    let name = variant_name(text);
-    let rest = text[name.len()..].trim();
-
-    let payload = if let Some(tuple) = rest.strip_prefix('(') {
-        PayloadShape::Tuple(tuple.trim_end_matches(')').to_string())
-    } else if rest.starts_with('{') {
-        let fields = rest
-            .trim_start_matches('{')
-            .trim_end_matches('}')
-            .split(',')
-            .map(str::trim)
-            .filter(|field| !field.is_empty())
-            .map(|field| {
-                let (label, ty) = field.split_once(": ").expect("ValueBody record field");
-                (label.to_string(), ty.to_string())
-            })
-            .collect();
-        PayloadShape::Record(fields)
-    } else {
-        panic!("unsupported ValueBody substrate variant shape: {text}");
-    };
-
-    VariantShape {
-        name: name.to_string(),
-        payload,
-    }
-}
-
-fn assert_generated_value_body_map_uses_field_map(generated_variants: &[VariantShape]) {
-    let map = generated_variants
-        .iter()
-        .find(|variant| variant.name == "Map")
-        .expect("generated ValueBody includes Map variant");
-
-    assert_eq!(
-        map.payload,
-        PayloadShape::Tuple("FieldMap".to_string()),
-        "generated Rust `ValueBody::Map` must use `FieldMap` so duplicate-key rejection stays at the carrier boundary"
-    );
-}
-
-fn normalize_generated_value_body_variants(
-    generated_variants: &[VariantShape],
-) -> Vec<VariantShape> {
-    generated_variants
-        .iter()
-        .map(|variant| VariantShape {
-            name: variant.name.clone(),
-            payload: normalize_generated_payload(&variant.payload),
-        })
-        .collect()
-}
-
-fn normalize_generated_payload(payload: &PayloadShape) -> PayloadShape {
-    match payload {
-        PayloadShape::Tuple(ty) => PayloadShape::Tuple(normalize_generated_type(ty)),
-        PayloadShape::Record(fields) => PayloadShape::Record(
-            fields
-                .iter()
-                .map(|(label, ty)| (label.clone(), normalize_generated_type(ty)))
-                .collect(),
-        ),
-    }
-}
-
-fn normalize_generated_type(ty: &str) -> String {
-    match ty {
-        "Vec<(String, FieldValue)>" | "FieldMap" => "List<FieldEntry>".to_string(),
-        "Vec<FieldValue>" => "List<FieldValue>".to_string(),
-        other => other.to_string(),
-    }
-}
-
-#[test]
-fn generated_value_body_file_is_manifested_as_producer_owned() {
-    assert!(
-        v3_compiler::generated_files::GENERATED_FILES
-            .contains(&"src/v3/compiler/src/dag_value_body_generated.rs"),
-        "`dag_value_body_generated.rs` must remain in the producer-owned generated-file manifest"
-    );
-}
diff --git a/src/v3/compiler/tests/integration/workflow_root_port_test.rs b/src/v3/compiler/tests/integration/workflow_root_port_test.rs
deleted file mode 100644
index 92639574a43..00000000000
--- a/src/v3/compiler/tests/integration/workflow_root_port_test.rs
+++ /dev/null
@@ -1,105 +0,0 @@
-//! **Layer:** integration
-//!
-//! Acceptance for Prereq-3a (`workflow_root_port` accessor) per the
-//! merged audit at `docs/design-lens-fold-prerequisites.md`. Director-
-//! locked α implementation: last topological `Bind` in `d.nodes`.
-//!
-//! Three claims in this module pin the α partition over `WorkflowRoot`:
-//! - `workflow_root_single_bind_returns_single_root`
-//! - `workflow_root_multi_bind_returns_single_under_alpha`
-//! - `workflow_root_ambiguous_unreachable_under_alpha`
-//!
-//! The fourth claim — `workflow_root_zero_bind_returns_no_root` —
-//! lives as a unit test in `src/v3/compiler/src/dag.rs` because
-//! constructing an empty `Dag` requires the crate-private
-//! `Dag::empty()` constructor.
-//!   (renamed from the audit's `_returns_ambiguous` since linear
-//!    `d.nodes` cannot produce ambiguity under α; the test pins
-//!    that α picks the LAST Bind even with multiple Binds present).
-//!
-//! `WorkflowRoot::AmbiguousRoot` cannot be exercised by the α
-//! implementation today; `workflow_root_ambiguous_unreachable_under_alpha`
-//! pins that claim explicitly so a future enumerate-all-eligible-entries
-//! rule landing under the same accessor causes the test to fail loudly,
-//! forcing the rule's behavior to grow its own coverage.
-//!
-//! The fourth audit claim — `workflow_root_consumed_by_runtime_entry_point`
-//! — is deferred to the R2-Evaluator integration PR; this slice
-//! only authors the substrate accessor.
-
-use crate::common::cached_compile_to_dag;
-use v3_compiler::dag::{Behavior, Dag, PortId, WorkflowRoot};
-
-fn last_bind_result_port(dag: &Dag) -> PortId {
-    for behavior in dag.nodes().iter().rev() {
-        if let Behavior::Bind(b) = behavior {
-            return b.result_port();
-        }
-    }
-    panic!("test fixture has no Bind — adjust source");
-}
-
-#[test]
-fn workflow_root_single_bind_returns_single_root() {
-    let dag = cached_compile_to_dag("let x = 1 + 2", "workflow_root_single.v3");
-    let expected = last_bind_result_port(&dag);
-    let root = dag.workflow_root_port();
-    assert_eq!(
-        root,
-        WorkflowRoot::SingleRoot(expected),
-        "single Bind must return SingleRoot pointing at its result_port"
-    );
-}
-
-#[test]
-fn workflow_root_multi_bind_returns_single_under_alpha() {
-    // Two top-level Binds in source order. Under α (last topological
-    // Bind), the second Bind's result_port is the workflow root.
-    // AmbiguousRoot is intentionally NOT emitted — it's reserved for
-    // the future enumerate-all-eligible-entries rule.
-    let dag = cached_compile_to_dag("let x = 1\nlet y = x + 2", "workflow_root_multi.v3");
-    let expected = last_bind_result_port(&dag);
-    let root = dag.workflow_root_port();
-    assert_eq!(
-        root,
-        WorkflowRoot::SingleRoot(expected),
-        "α picks the last topological Bind even with multiple Binds; \
-         AmbiguousRoot reserved for the enumerate-all rule"
-    );
-}
-
-#[test]
-fn workflow_root_ambiguous_unreachable_under_alpha() {
-    // Drift trigger: under α with linear d.nodes, AmbiguousRoot is
-    // structurally unreachable. If a future commit makes
-    // workflow_root_port emit AmbiguousRoot, this test fails and
-    // forces the change to grow its own enumerate-all-rule coverage
-    // rather than silently inheriting α's tests.
-    let fixtures = [
-        ("let x = 1", "wf_root_amb_a.v3"),
-        ("let x = 1\nlet y = 2\nlet z = x + y", "wf_root_amb_b.v3"),
-    ];
-    for (src, file) in fixtures.iter() {
-        let dag = cached_compile_to_dag(src, file);
-        let root = dag.workflow_root_port();
-        assert!(
-            !matches!(root, WorkflowRoot::AmbiguousRoot { .. }),
-            "fixture `{file}` produced AmbiguousRoot under α — α is a \
-             single-pick rule over linear d.nodes and must never tie. \
-             If this fires, an enumerate-all-eligible-entries rule has \
-             been wired and the audit's ambiguous-acceptance must move \
-             to its own consumer test."
-        );
-    }
-}
-
-// `workflow_root_zero_bind_returns_no_root` lives as a `#[cfg(test)]`
-// unit test inside `src/v3/compiler/src/dag.rs` next to
-// `Dag::workflow_root_port` itself, because constructing a truly
-// empty `Dag` requires the crate-private `Dag::empty()` constructor.
-// V3 surface syntax always lowers each top-level decl to a `Bind`, so
-// the zero-Bind case is structurally unreachable from `compile_to_dag`
-// fixtures and the `NoRoot` arm is defensive-only at the substrate
-// boundary.
-//
-// See: dag.rs `mod tests::workflow_root_zero_bind_returns_no_root`.
diff --git a/src/v3/compiler/tests/integration/workflow_substrate_carriers_test.rs b/src/v3/compiler/tests/integration/workflow_substrate_carriers_test.rs
deleted file mode 100644
index f398d158021..00000000000
--- a/src/v3/compiler/tests/integration/workflow_substrate_carriers_test.rs
+++ /dev/null
@@ -1,148 +0,0 @@
-//! **Layer:** integration
-//!
-//! Structural acceptance for R3 §1.8 gate #53 `workflow_substrate_carriers_landed`:
-//! Slice 1 workflow substrate carriers landed at `dsl/extdeps/github/actions.dag` +
-//! `dsl/extdeps/cron/schedule_model.dag` per Director β-ratification at
-//! gunbc#828 #issuecomment-4395945465 (PR #2160). Carriers ratcheted here:
-//!
-//!   - `WorkflowSecret { name: SecretName, scope: SecretScope }` (provider-typed,
-//!     opaque-at-rest secret reference scoped by step / job / workflow)
-//!   - `SecretScope = StepScope | JobScope | WorkflowScope`
-//!   - `CronSchedule` (5 typed fields — minute / hour / day_of_month / month / day_of_week)
-//!   - `CronField` (5 variants — Wildcard / Exact / Listed / Ranged / Step)
-//!
-//! Sibling-carrier ratchet to `file_attachment_substrate_carrier_test.rs` (gate #62).
-
-use v3_compiler::dag::{Dag, DeclarationId, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn conj_field_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => children.iter().map(|f| f.label.clone()).collect(),
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn conj_field_ty(dag: &Dag, name: &str, field: &str) -> DeclarationId {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Conj { children } => {
-            children
-                .iter()
-                .find(|f| f.label == field)
-                .unwrap_or_else(|| panic!("`{name}` missing `{field}` field"))
-                .ty
-        }
-        other => panic!("`{name}` is not a Conj: {other:?}"),
-    }
-}
-
-fn disj_variant_labels(dag: &Dag, name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(name)
-        .unwrap_or_else(|| panic!("`{name}` missing from full bootstrap"));
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{name}` is not a Disj: {other:?}"),
-    }
-}
-
-#[test]
-fn workflow_secret_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut labels = conj_field_labels(&dag, "WorkflowSecret");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec!["name".to_string(), "scope".to_string()],
-        "WorkflowSecret field set drifted from β-ratification (gate #53 / PR #2160)"
-    );
-
-    let secret_name = dag
-        .declaration_by_name("SecretName")
-        .expect("`SecretName` missing from full bootstrap (std.types authority)")
-        .id;
-    let secret_scope = dag
-        .declaration_by_name("SecretScope")
-        .expect("`SecretScope` missing from full bootstrap")
-        .id;
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowSecret", "name"),
-        secret_name,
-        "`WorkflowSecret.name` must be `SecretName` (cross-provider std.types authority)"
-    );
-    assert_eq!(
-        conj_field_ty(&dag, "WorkflowSecret", "scope"),
-        secret_scope,
-        "`WorkflowSecret.scope` must be `SecretScope`"
-    );
-}
-
-#[test]
-fn secret_scope_variants_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut variants = disj_variant_labels(&dag, "SecretScope");
-    variants.sort();
-    assert_eq!(
-        variants,
-        vec![
-            "JobScope".to_string(),
-            "StepScope".to_string(),
-            "WorkflowScope".to_string(),
-        ],
-        "SecretScope variants drifted from β-ratification (gate #53)"
-    );
-}
-
-#[test]
-fn cron_schedule_shape_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut labels = conj_field_labels(&dag, "CronSchedule");
-    labels.sort();
-    assert_eq!(
-        labels,
-        vec![
-            "day_of_month".to_string(),
-            "day_of_week".to_string(),
-            "hour".to_string(),
-            "minute".to_string(),
-            "month".to_string(),
-        ],
-        "CronSchedule field set drifted (gate #53 STOP+PING — >5 fields requires Director ratification)"
-    );
-
-    let cron_field = dag
-        .declaration_by_name("CronField")
-        .expect("`CronField` missing from full bootstrap")
-        .id;
-    for field in ["minute", "hour", "day_of_month", "month", "day_of_week"] {
-        assert_eq!(
-            conj_field_ty(&dag, "CronSchedule", field),
-            cron_field,
-            "`CronSchedule.{field}` must be `CronField`"
-        );
-    }
-}
-
-#[test]
-fn cron_field_variants_locked() {
-    let dag = generated_full_bootstrap_dag();
-    let mut variants = disj_variant_labels(&dag, "CronField");
-    variants.sort();
-    assert_eq!(
-        variants,
-        vec![
-            "Exact".to_string(),
-            "Listed".to_string(),
-            "Ranged".to_string(),
-            "Step".to_string(),
-            "Wildcard".to_string(),
-        ],
-        "CronField variants drifted (gate #53)"
-    );
-}
diff --git a/src/v3/compiler/tests/t_demo/t_demo_fixtures.dag b/src/v3/compiler/tests/t_demo/t_demo_fixtures.dag
deleted file mode 100644
index c973a9e11e8..00000000000
--- a/src/v3/compiler/tests/t_demo/t_demo_fixtures.dag
+++ /dev/null
@@ -1,281 +0,0 @@
-// T-Demo R1 fixture skeletons.
-//
-// Day-1 `Compiles` claims stay the bootstrap surface. `[ext]` rows add `LensOutputEquals`,
-// `FailsWithDiagnostic`, and `PortHasState` receipts now that the v3 `TestRunner` predicates
-// are wired (T-LaneE / T-LensAPI / T-TestGen lane closure).
-
-module v3.compiler.tests.t_demo.t_demo_fixtures
-
-import std.list { fold }
-import std.substrate { Behavior, Dag }
-import std.verification {
-  AnyDetail,
-  Compiles,
-  Contains,
-  CostBounded,
-  FailsWithDiagnostic,
-  LensOutputEquals,
-  PortHasState,
-  ProgramInput,
-  Resolved,
-  TestClaim,
-  TestSuite,
-  TypeMismatch,
-  ResolveError
-}
-
-// ── `LensOutputEquals` stubs (DeclarationRef lowering only; runner uses canonical bytes). ──
-fn count_named_bind(behavior: Behavior) -> Int =
-  match behavior {
-    Value(v) => 0
-    Transform(t) => 0
-    Branch(b) => 0
-    Loop(l) => 0
-    Bind(bind) => if bind.name == "" then 0 else 1
-  }
-
-fn named_function_count(d: Dag) -> Int =
-  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))
-
-data complexity_demo_out: Int = 0
-
-data total: Int = 0
-
-data r1_lens_output_program_input: ProgramInput = {}
-
-data t_demo_ownership_bind_count_expected: Int = 1
-
-data compiler_nerd_complexity_compiles: TestClaim = {
-  name: "fixture_compiler_nerd_canonical.complexity_compiles",
-  source: "fn pair_score(xs: List<Int>) -> Int = fold(xs, 0, |outer, x| outer + fold(xs, 0, |inner, y| inner + x + y))",
-  file_name: "fixture_compiler_nerd_canonical_complexity.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data compiler_nerd_ownership_compiles: TestClaim = {
-  name: "fixture_compiler_nerd_canonical.ownership_compiles",
-  source: "type OwnedPayload { left: Int right: Int } fn combine_payload(payload: OwnedPayload) -> Int = payload.left + payload.right",
-  file_name: "fixture_compiler_nerd_canonical_ownership.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data compiler_nerd_parallelism_compiles: TestClaim = {
-  name: "fixture_compiler_nerd_canonical.parallelism_compiles",
-  source: "let total: Int = fold(cons(1, cons(2, singleton(3))), 0, |acc, x| acc + x)",
-  file_name: "fixture_compiler_nerd_canonical_parallelism.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data compiler_nerd_complexity_lens_output: TestClaim = {
-  name: "fixture_compiler_nerd_canonical.complexity_lens_output",
-  source: "fn pair_score(xs: List<Int>) -> Int = fold(xs, 0, |outer, x| outer + fold(xs, 0, |inner, y| inner + x + y))\nlet complexity_demo_out: Int = pair_score(cons(1, singleton(2)))\n",
-  file_name: "fixture_compiler_nerd_canonical_complexity.v3",
-  predicate: CostBounded("complexity_demo_out", Eq, 3),
-  requires: []
-}
-
-data compiler_nerd_ownership_lens_output: TestClaim = {
-  name: "fixture_compiler_nerd_canonical.ownership_lens_output",
-  source: "type OwnedPayload { left: Int right: Int } fn combine_payload(payload: OwnedPayload) -> Int = payload.left + payload.right\n",
-  file_name: "fixture_compiler_nerd_canonical_ownership.v3",
-  predicate: LensOutputEquals(
-    named_function_count,
-    r1_lens_output_program_input,
-    t_demo_ownership_bind_count_expected
-  ),
-  requires: []
-}
-
-data compiler_nerd_parallelism_lens_output: TestClaim = {
-  name: "fixture_compiler_nerd_canonical.parallelism_lens_output",
-  source: "let total: Int = fold(cons(1, cons(2, singleton(3))), 0, |acc, x| acc + x)",
-  file_name: "fixture_compiler_nerd_canonical_parallelism.v3",
-  predicate: CostBounded("total", Eq, 4),
-  requires: []
-}
-
-data fixture_compiler_nerd_canonical: TestSuite = {
-  name: "fixture_compiler_nerd_canonical",
-  claims: [
-    Enumerated(compiler_nerd_complexity_compiles),
-    Enumerated(compiler_nerd_ownership_compiles),
-    Enumerated(compiler_nerd_parallelism_compiles),
-    Enumerated(compiler_nerd_complexity_lens_output),
-    Enumerated(compiler_nerd_ownership_lens_output),
-    Enumerated(compiler_nerd_parallelism_lens_output)
-  ]
-}
-
-data t_demo_effects_bind_count_expected: Int = 1
-
-data integration_effects_compiles: TestClaim = {
-  name: "fixture_integration_canonical.effects_compiles",
-  source: "import std.effects { EffectShape, operation_effect_shape }\nimport v3.std.services { Operation }\nfn classify_operation(op: Operation) -> EffectShape = operation_effect_shape(op)",
-  file_name: "fixture_integration_canonical_effects.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data integration_idempotency_compiles: TestClaim = {
-  name: "fixture_integration_canonical.idempotency_compiles",
-  source: "import std.effects { CompositionVerdict, compose_effects }\nimport std.list { List }\nimport v3.std.services { Operation }\nfn classify_composition(ops: List<Operation>) -> CompositionVerdict = compose_effects(ops)",
-  file_name: "fixture_integration_canonical_idempotency.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data integration_testgen_compiles: TestClaim = {
-  name: "fixture_integration_canonical.testgen_compiles",
-  source: "import std.verification { Compiles, TestClaim } data generated_claim: TestClaim = { name: \"effects_operation_classification_compiles\", source: \"import std.effects { EffectShape, operation_effect_shape }\\nimport v3.std.services { Operation }\\nfn classify_operation(op: Operation) -> EffectShape = operation_effect_shape(op)\", file_name: \"effects_operation_classification_claim.v3\", predicate: Compiles, requires: [] }",
-  file_name: "fixture_integration_canonical_testgen.v3",
-  predicate: Compiles,
-  requires: []
-}
-
-data integration_effects_lens_output: TestClaim = {
-  name: "fixture_integration_canonical.effects_lens_output",
-  source: "import std.effects { CompositionVerdict, compose_effects }\nimport std.list { List }\nimport v3.std.services { Operation }\nfn classify_composition_for_lens(ops: List<Operation>) -> CompositionVerdict = compose_effects(ops)",
-  file_name: "fixture_integration_canonical_effects.v3",
-  predicate: LensOutputEquals(
-    named_function_count,
-    r1_lens_output_program_input,
-    t_demo_effects_bind_count_expected
-  ),
-  requires: []
-}
-
-// Type-drift receipt (same pattern as `impossible_bug_type_drift`); not the effects idempotency
-// story — that lives on `integration_idempotency_compiles` + `impossible_bug_idempotency_violation`.
-data integration_type_drift_lens_output: TestClaim = {
-  name: "fixture_integration_canonical.type_drift_lens_output",
-  source: "let drift: Bool = 1\n",
-  file_name: "fixture_integration_canonical_type_drift_lens.v3",
-  predicate: FailsWithDiagnostic({
-    kind: TypeMismatch,
-    detail_contains: AnyDetail
-  }),
-  requires: []
-}
-
-data integration_testgen_runner_output: TestClaim = {
-  name: "fixture_integration_canonical.testgen_runner_output",
-  source: "fn double(x: Int) -> Int = x + x\nlet structural_result: Int = double(3)",
-  file_name: "fixture_integration_canonical_testgen_runner.v3",
-  predicate: PortHasState("structural_result", Resolved),
-  requires: []
-}
-
-data fixture_integration_canonical: TestSuite = {
-  name: "fixture_integration_canonical",
-  claims: [
-    Enumerated(integration_effects_compiles),
-    Enumerated(integration_idempotency_compiles),
-    Enumerated(integration_testgen_compiles),
-    Enumerated(integration_effects_lens_output),
-    Enumerated(integration_type_drift_lens_output),
-    Enumerated(integration_testgen_runner_output)
-  ]
-}
-
-// `impossible_bug_class_suite_r1` — two `FailsWithDiagnostic` receipts (ROADMAP.md:71-72); structural
-// cost bound lives in `t_demo_structural_cost_obligation_suite` (integration asserts `Fail`).
-// `idempotency_violation`: `AppendEffect()` is breaking (monoid append) and must not appear under
-// `IsIdempotent`. Use nullary **call** syntax so lowering hits the `SurfaceExpr::Call` path (PR #764:
-// bare `AppendEffect` parses as `Var` and produced a one-token `ResolveError` that was too weak
-// for `FailsWithDiagnostic`). The diagnostic prefix pins the sum-constructor mismatch, not a generic
-// upstream-only `compose_effects` failure.
-// `t_demo_structural_cost_obligation_suite` (below): nested `fold` + `CostBounded` vs structural
-// `cost_of` — runner `Fail` is the receipt (`cost … did not satisfy bound …`, not a tokenizer
-// proxy; integration pins compile + message shape — PR #764). Kept out of
-// `impossible_bug_class_suite_r1` so that suite is all `Pass` claims only.
-data impossible_bug_type_drift: TestClaim = {
-  name: "impossible_bug_class_suite_r1.transport_type_drift",
-  source: "let drift: String = 1\n",
-  file_name: "impossible_bug_type_drift.v3",
-  predicate: FailsWithDiagnostic({
-    kind: TypeMismatch,
-    detail_contains: AnyDetail
-  }),
-  requires: []
-}
-
-data impossible_bug_idempotency_violation: TestClaim = {
-  name: "impossible_bug_class_suite_r1.idempotency_violation",
-  source: "let bad_shape = IsIdempotent(AppendEffect())\n",
-  file_name: "impossible_bug_idempotency.v3",
-  predicate: FailsWithDiagnostic({
-    kind: ResolveError,
-    detail_contains: Contains("AppendEffect")
-  }),
-  requires: []
-}
-
-data impossible_bug_idempotency_violation_context: TestClaim = {
-  name: "impossible_bug_class_suite_r1.idempotency_violation_context",
-  source: "let bad_shape = IsIdempotent(AppendEffect())\n",
-  file_name: "impossible_bug_idempotency_context.v3",
-  predicate: FailsWithDiagnostic({
-    kind: ResolveError,
-    detail_contains: Contains("IsIdempotent")
-  }),
-  requires: []
-}
-
-data impossible_bug_class_suite_r1: TestSuite = {
-  name: "impossible_bug_class_suite_r1",
-  claims: [
-    Enumerated(impossible_bug_type_drift),
-    Enumerated(impossible_bug_idempotency_violation),
-    Enumerated(impossible_bug_idempotency_violation_context)
-  ]
-}
-
-// When editing `source`, update `T_DEMO_STRUCTURAL_COST_OBLIGATION_CLAIM_SOURCE` in
-// `tests/integration.rs` (`t_demo_fixture_test`).
-data t_demo_structural_cost_obligation_gate: TestClaim = {
-  name: "t_demo_structural_cost_obligation.pair_score_too_deep",
-  source: "fn pair_score(xs: List<Int>) -> Int = fold(xs, 0, |outer, x| outer + fold(xs, 0, |inner, y| inner + x + y))\nlet complexity_demo_out: Int = pair_score(cons(1, singleton(2)))\n",
-  file_name: "t_demo_structural_cost_obligation.v3",
-  predicate: CostBounded("complexity_demo_out", Lt, 1),
-  requires: []
-}
-
-data t_demo_structural_cost_obligation_suite: TestSuite = {
-  name: "t_demo_structural_cost_obligation_suite",
-  claims: [Enumerated(t_demo_structural_cost_obligation_gate)]
-}
-
-// T-Demo `demo_user_authored_lens_rejects_violating_program` — operationalizes
-// THESIS §"User-defined dimensions". The user-authored dimension under demo:
-// "no top-level named bindings in this program." The lens (`lenses.named_function_count`,
-// 13 lines `.dag` at `src/v3/lenses/named_function_count.dag` — the same GREEN T-LensAPI
-// `user_authored_lens_compiles` lens) walks the program substrate and counts every
-// `Bind` behavior with a non-empty name. The violating program below declares three
-// named bindings (`a`, `b`, `c`); the lens emits `3`; `LensOutputEquals` matches the
-// expected violation count and the gate Passes — the lens correctly rejected the
-// violating program by user-authored rules, not compiler-baked ones. Same predicate
-// surface as `compiler_nerd_ownership_lens_output`; same lens body as T-LensAPI
-// `user_authored_lens_compiles`. The thesis claim under demo is that the proof
-// surface is user-extensible (a new dimension is one `.dag` file); the runner
-// machinery is identical to the built-in dimension demos above.
-data demo_user_authored_lens_violation_count_expected: Int = 3
-
-data demo_user_authored_lens_rejects_violating_program_gate: TestClaim = {
-  name: "demo_user_authored_lens_rejects_violating_program",
-  source: "let a: Int = 1\nlet b: Int = 2\nlet c: Int = 3\n",
-  file_name: "demo_user_authored_lens_violating_program.v3",
-  predicate: LensOutputEquals(
-    named_function_count,
-    r1_lens_output_program_input,
-    demo_user_authored_lens_violation_count_expected
-  ),
-  requires: []
-}
-
-data demo_user_authored_lens_rejects_violating_program_suite: TestSuite = {
-  name: "demo_user_authored_lens_rejects_violating_program_suite",
-  claims: [Enumerated(demo_user_authored_lens_rejects_violating_program_gate)]
-}
diff --git a/src/v3/compiler/tests/unit/README.md b/src/v3/compiler/tests/unit/README.md
deleted file mode 100644
index 87a2a0cb12e..00000000000
--- a/src/v3/compiler/tests/unit/README.md
+++ /dev/null
@@ -1,45 +0,0 @@
-# tests/unit/
-
-**Layer:** unit (TESTING.md § test layers — <5ms targets).
-
-Unit tests exercise a single lens, accessor, single-pass behavior, or
-typed handle against a **hand-constructed minimal `Dag`**. They must
-not compile source text end-to-end; compile-pipeline tests belong in
-`tests/integration/` (or `tests/boundary/` for target-language
-roundtrips).
-
-## Current state (Phase 0)
-
-Empty on initial landing. Two placement tracks feed this directory:
-
-1. **In-crate `#[cfg(test)] mod tests`** — the primary home for unit
-   tests today, per TESTING.md § "Mocks and dependency injection".
-   `pub(crate)` builder helpers like `Dag::alloc_port` are reachable
-   from inside `src/v3/compiler/src/`. Most lenses already host their
-   tests this way.
-
-2. **`tests/unit/*.rs`** — reserved for unit tests whose subject is
-   the **public** `Dag` builder surface. Activation depends on the
-   tracked follow-up in TESTING.md: landing `push_value`,
-   `push_transform`, `push_bind`, … helpers as public (or
-   `pub(crate)`-with-test-harness-access) APIs. Until that surface
-   exists, unit tests stay in-crate.
-
-## Adding a file here
-
-Each test file carries a header:
-
-```rust
-//! **Layer:** unit (TESTING.md § test layers — <brief-subject>).
-```
-
-Include it from `tests/integration.rs` via a `#[path =
-"unit/<name>.rs"] mod …` declaration. The consolidated binary shares
-one bootstrap across all three directories; do not introduce a
-separate `tests/unit.rs` binary without director sign-off (see
-`tests/integration/self_gen0_census_test.rs`).
-
-Tests whose wall-clock exceeds 2s per `#[test]` violate the ratchet
-at `scripts/check-test-timeout.sh`. A unit test reaching that bar
-almost certainly belongs in `tests/integration/` or is doing full-
-pipeline work that should be mocked (TESTING.md § 5).
diff --git a/src/v3/compiler/tokenize.dag b/src/v3/compiler/tokenize.dag
deleted file mode 100644
index 63685f9b550..00000000000
--- a/src/v3/compiler/tokenize.dag
+++ /dev/null
@@ -1,126 +0,0 @@
-// v3.compiler.tokenize — tokenizer authority for SG-1.
-//
-// The Rust projection (`tokenize_generated.rs`) is produced by
-// `cargo run -p v3-compiler --bin regen_tokenize` — do not hand-edit it.
-//
-// **Authority boundary.** Shared token types live in
-// `src/v3/std/tokenize.dag`. This file declares tokenizer-local punctuation
-// rows not modeled in `dsl/extdeps/languages/dag/syntax.dag`, string escape
-// behavior, line-comment prefix, string delimiter, and fixed tokenizer
-// diagnostic bodies. `regen_tokenize` derives the dedicated keyword subset and
-// the shared-operator punctuation subset from the shared syntax authority at
-// `dsl/extdeps/languages/dag/syntax.dag`, then merges those with the
-// tokenizer-local rows below. That keeps authored spellings for keywords /
-// shared operators out of this file.
-//
-// **Tracked scaffold (SG-1a).** The shared authority handoff is not yet a pure
-// structural read: `regen_tokenize` currently parses the raw source text for
-// `dag_keyword_set` / `dag_operators` because those bodies still lower as
-// `ValueBody::Unparsed`. Named dissolution trigger: once those two shared
-// syntax bodies lower structurally under `compile_to_dag`, delete the raw-text
-// extractor and derive directly from the lowered Dag in the same PR.
-//
-// **Character classes.** Scanner precedence is `ascii_scan_order: List<CharClass>`;
-// canonical membership predicates live in `dsl/std/unicode.dag` (`char_in_class`).
-// Structural consumption receipt: **`tokenizer_char_class_membership`** delegates to it (do not
-// delete while `ascii_scan_order` imports `CharClass` / `char_in_class`).
-//
-// **Tracked scaffold — ASCII codegen mirror (P5 / CHARACTER-LEVEL row):** `tokenize_generated.rs`
-// still carries hand-emitted predicates from `regen_tokenize.rs::ascii_scan_class_predicate`; they
-// must stay mechanically aligned with **`char_in_class`** (see ROADMAP + integration parity test).
-//
-// **Named dissolution trigger (copy-stable — not a vague deferral):** `ROADMAP.md` subsection
-// **`char_in_class` interpreter parity (tokenizer bridge finish, PR #693)** — evaluator parity vs
-// `byte_matches`, then retire the mirror predicates; **same migration gate** as re-wiring
-// `regen_tokenize` per **Character-level under-consumption …** §steps (2)–(3). Class-5 Gap 3
-// (`top-level ValueBody`, `Char` / `List<Char>` spelling in tokenizer `data`) remains the blocker
-// for `.dag`-native emission of class bodies. Supporting briefs:
-// `docs/briefs/substrate-language-gaps/`.
-//
-// **Scan phases (spec).** After skipping ASCII whitespace, the scanner applies
-// in order: signed unary `-` merged into a following decimal `IntLit` when the
-// previous token is **not** listed in `minus_infix_only_after_token_kinds`
-// (otherwise `-` is infix `Minus`), line comment (`line_comment_prefix` to newline),
-// punctuation (longest match across the shared-operator subset plus local punctuation
-// rows), ASCII digit run → decimal `IntLit`, identifier run → keyword table or
-// `Ident`, string (`string_literal_delimiter`) with `StringEscapeSpec` rows
-// after `\`, else `unexpected byte` diagnostic.
-
-module v3.compiler.tokenize
-
-import v3.std.tokenize {
-  KeywordTokenKind,
-  LocalPunctSpec,
-  PunctTokenKind,
-  StringEscapeSpec,
-  Token,
-  TokenKind
-}
-
-import v3.std.types { Char }
-
-import v3.std.unicode {
-  CharClass,
-  char_in_class
-}
-
-// Delegates tokenizer membership to **`std.unicode::char_in_class`** (substrate-canonical ASCII
-// rules). `regen_tokenize` codegen still mirrors these predicates separately until the scaffold
-// above dissolves (`ROADMAP.md` parity row — see header).
-fn tokenizer_char_class_membership(c: Char, class: CharClass) -> Bool = char_in_class(c, class)
-
-// Scanner precedence (`ascii_scan_order`) is tokenizer-owned substrate; codegen `byte_matches`
-// mirrors this order (`regen_tokenize`) until structural read replaces the mirror predicates.
-data ascii_scan_order: List<CharClass> = [Whitespace, Digit, IdentStart, IdentContinue]
-
-// `TokenKind` variant labels (`src/v3/std/tokenize.dag`): when the **previous** token
-// has one of these shapes, a `-` must **not** merge into the following ASCII digit run
-// (tokenizes as infix `Minus`). `regen_tokenize` emits `minus_prefixed_decimal_allowed`
-// solely from this list — keep tokenizer facts single-authority in `tokenize.dag`.
-data minus_infix_only_after_token_kinds: List<String> = [
-  "Ident",
-  "IntLit",
-  "StringLit",
-  "KwTrue",
-  "KwFalse",
-  "RParen",
-  "RBracket",
-  "RBrace"
-]
-
-// Fixed diagnostic message bodies for tokenizer failures (C-8: errors only).
-data diagnostic_unterminated_string_escape: String = "unterminated string escape"
-data diagnostic_unterminated_string_literal: String = "unterminated string literal"
-
-// `format!("invalid integer literal `{}`", literal)` — prefix/suffix split so
-// the delimiter is explicit in data without nested braces in one string.
-data diagnostic_invalid_integer_literal_prefix: String = "invalid integer literal `"
-data diagnostic_invalid_integer_literal_suffix: String = "`"
-
-// Line comment begins with this two-byte prefix; scanner runs to `\n` or EOF.
-data line_comment_prefix: String = "//"
-
-// Opening delimiter for string literals (one ASCII character).
-data string_literal_delimiter: String = "\""
-
-data string_escape_dquote: StringEscapeSpec = { suffix: "\"", output_codepoint: 34 }
-data string_escape_backslash: StringEscapeSpec = { suffix: "\\", output_codepoint: 92 }
-data string_escape_n: StringEscapeSpec = { suffix: "n", output_codepoint: 10 }
-data string_escape_r: StringEscapeSpec = { suffix: "r", output_codepoint: 13 }
-data string_escape_t: StringEscapeSpec = { suffix: "t", output_codepoint: 9 }
-
-data local_punct_eq: LocalPunctSpec = { pattern: "=", kind: Eq }
-data local_punct_colon: LocalPunctSpec = { pattern: ":", kind: Colon }
-data local_punct_arrow: LocalPunctSpec = { pattern: "->", kind: Arrow }
-data local_punct_fat_arrow: LocalPunctSpec = { pattern: "=>", kind: FatArrow }
-data local_punct_lparen: LocalPunctSpec = { pattern: "(", kind: LParen }
-data local_punct_rparen: LocalPunctSpec = { pattern: ")", kind: RParen }
-data local_punct_lbrace: LocalPunctSpec = { pattern: "{", kind: LBrace }
-data local_punct_rbrace: LocalPunctSpec = { pattern: "}", kind: RBrace }
-data local_punct_lbracket: LocalPunctSpec = { pattern: "[", kind: LBracket }
-data local_punct_rbracket: LocalPunctSpec = { pattern: "]", kind: RBracket }
-data local_punct_comma: LocalPunctSpec = { pattern: ",", kind: Comma }
-data local_punct_semicolon: LocalPunctSpec = { pattern: ";", kind: Semicolon }
-data local_punct_pipe: LocalPunctSpec = { pattern: "|", kind: Pipe }
-data local_punct_question: LocalPunctSpec = { pattern: "?", kind: Question }
-data local_punct_caret: LocalPunctSpec = { pattern: "^", kind: Caret }
diff --git a/src/v3/execute_command_bootstrap/Cargo.toml b/src/v3/execute_command_bootstrap/Cargo.toml
deleted file mode 100644
index 599b32558ce..00000000000
--- a/src/v3/execute_command_bootstrap/Cargo.toml
+++ /dev/null
@@ -1,14 +0,0 @@
-[package]
-name = "execute-command-bootstrap"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-publish = false
-description = "Linux bootstrap for ExecuteCommand unshare: fd3 sentinel + FD_CLOEXEC before execvp"
-
-[[bin]]
-name = "gunbc_execute_command_bootstrap"
-path = "src/main.rs"
-
-[target.'cfg(target_os = "linux")'.dependencies]
-libc = { version = "0.2", default-features = false }
diff --git a/src/v3/execute_command_bootstrap/src/main.rs b/src/v3/execute_command_bootstrap/src/main.rs
deleted file mode 100644
index 7dd2e0d549c..00000000000
--- a/src/v3/execute_command_bootstrap/src/main.rs
+++ /dev/null
@@ -1,132 +0,0 @@
-//! `gunbc_execute_command_bootstrap` — Linux-only helper invoked under `unshare(1)` instead of a
-//! pure `sh -c` bootstrap so **fd 3** can be marked `FD_CLOEXEC` immediately before `execvp(3)`,
-//! closing the sentinel channel atomically on successful exec (POSIX `sh` cannot do this between
-//! sentinel writes and `exec`).
-//!
-//! **Protocol on fd 3** (write end held by this process until `exec` or terminal failure):
-//! - `s` — helper started
-//! - `e` — about to `execvp` the logical user command
-//! - `f` — `execvp` returned (final exec failed); parent may observe `sef` vs `se` + EOF
-//!
-//! **Invocation:** `argv[1]` is the logical program (`execvp` file), `argv[2..]` are its arguments.
-//! This matches the prior `sh -c 'exec …' "$0" "$@"'` shape (`$0` / `$@` after the script).
-
-#[cfg(not(target_os = "linux"))]
-fn main() {
-    eprintln!("gunbc_execute_command_bootstrap: Linux only (build artifact for non-Linux CI).");
-    std::process::exit(2);
-}
-
-#[cfg(target_os = "linux")]
-fn main() {
-    linux::main();
-}
-
-#[cfg(target_os = "linux")]
-mod linux {
-    use std::ffi::{CString, OsStr};
-    use std::io::ErrorKind;
-    use std::os::unix::ffi::OsStrExt;
-    use std::process::exit;
-
-    const SENTINEL_FD: i32 = 3;
-
-    fn write_all(fd: i32, bytes: &[u8]) -> std::io::Result<()> {
-        let mut off = 0usize;
-        while off < bytes.len() {
-            let n = unsafe {
-                libc::write(
-                    fd,
-                    bytes[off..].as_ptr().cast::<libc::c_void>(),
-                    bytes.len() - off,
-                )
-            };
-            if n < 0 {
-                return Err(std::io::Error::last_os_error());
-            }
-            if n == 0 {
-                return Err(std::io::Error::new(
-                    ErrorKind::WriteZero,
-                    "write(2) returned 0 on sentinel fd",
-                ));
-            }
-            off += n as usize;
-        }
-        Ok(())
-    }
-
-    fn set_cloexec_on_sentinel_fd() -> std::io::Result<()> {
-        let flags = unsafe { libc::fcntl(SENTINEL_FD, libc::F_GETFD) };
-        if flags < 0 {
-            return Err(std::io::Error::last_os_error());
-        }
-        let rc = unsafe { libc::fcntl(SENTINEL_FD, libc::F_SETFD, flags | libc::FD_CLOEXEC) };
-        if rc < 0 {
-            return Err(std::io::Error::last_os_error());
-        }
-        Ok(())
-    }
-
-    fn cstrings_from_user_argv() -> Result<Vec<CString>, ()> {
-        let mut out = Vec::new();
-        for arg in std::env::args_os().skip(1) {
-            let Some(cs) = cstring_from_os_str(&arg) else {
-                return Err(());
-            };
-            out.push(cs);
-        }
-        Ok(out)
-    }
-
-    fn cstring_from_os_str(s: &OsStr) -> Option<CString> {
-        CString::new(s.as_bytes()).ok()
-    }
-
-    pub(super) fn main() {
-        let user_argv = match cstrings_from_user_argv() {
-            Ok(v) if !v.is_empty() => v,
-            Ok(_) => {
-                // No logical command — invalid invocation; do not emit partial sentinel stream.
-                exit(127);
-            }
-            Err(()) => {
-                // Cannot represent argv for `execvp` (e.g. interior NUL) — same `sef` surface as a
-                // failed exec so the parent can fail-closed.
-                let _ = write_all(SENTINEL_FD, b"s");
-                let _ = write_all(SENTINEL_FD, b"e");
-                let _ = write_all(SENTINEL_FD, b"f");
-                exit(125);
-            }
-        };
-
-        if write_all(SENTINEL_FD, b"s").is_err() {
-            exit(124);
-        }
-
-        let mut argv: Vec<*const libc::c_char> = user_argv
-            .iter()
-            .map(|s| s.as_ptr().cast::<libc::c_char>())
-            .collect();
-        argv.push(std::ptr::null());
-
-        if write_all(SENTINEL_FD, b"e").is_err() {
-            let _ = write_all(SENTINEL_FD, b"f");
-            exit(123);
-        }
-
-        if set_cloexec_on_sentinel_fd().is_err() {
-            let _ = write_all(SENTINEL_FD, b"f");
-            exit(122);
-        }
-
-        unsafe {
-            libc::execvp(argv[0], argv.as_ptr());
-        }
-
-        // `execvp` failure sets `errno`; snapshot before any syscall (e.g. `write`) can overwrite it.
-        let exec_errno = unsafe { *libc::__errno_location() };
-        let _ = write_all(SENTINEL_FD, b"f");
-        let code = if exec_errno == libc::ENOENT { 127 } else { 126 };
-        exit(code);
-    }
-}
diff --git a/src/v3/execute_command_bootstrap/tests/sentinel_fd3_protocol.rs b/src/v3/execute_command_bootstrap/tests/sentinel_fd3_protocol.rs
deleted file mode 100644
index 6e4e8c047aa..00000000000
--- a/src/v3/execute_command_bootstrap/tests/sentinel_fd3_protocol.rs
+++ /dev/null
@@ -1,121 +0,0 @@
-#![cfg(target_os = "linux")]
-
-//! Hermetic receipts for the fd3 sentinel stream (`s` / `e` / `f`) and CLOEXEC-before-exec
-//! behavior. The parent simulates the runner by wiring the write end of a pipe to fd 3 in the
-//! child before exec.
-//!
-//! The successful-exec receipt uses a **long-running** logical child (`/usr/bin/sleep`): if fd 3
-//! were not `FD_CLOEXEC`’d before `execvp`, the write end would stay open until that child exits,
-//! and a full-pipe read would block for the sleep duration. Observing **`se` + EOF** while the
-//! child is still running proves the write end was dropped at **exec** time.
-
-use std::io::Read;
-use std::os::fd::FromRawFd;
-use std::os::unix::process::CommandExt;
-use std::process::Command;
-use std::sync::mpsc;
-use std::thread;
-use std::time::Duration;
-
-fn pipe() -> (i32, i32) {
-    let mut fds = [0_i32; 2];
-    unsafe {
-        assert_eq!(libc::pipe(fds.as_mut_ptr()), 0, "pipe(2)");
-    }
-    (fds[0], fds[1])
-}
-
-fn spawn_bootstrap_with_sentinel_fd(
-    bin: &str,
-    read_fd: i32,
-    write_fd: i32,
-    args: &[&str],
-) -> std::process::Child {
-    let mut cmd = Command::new(bin);
-    for a in args {
-        cmd.arg(a);
-    }
-    unsafe {
-        cmd.pre_exec(move || {
-            // Close the child's read end **before** `dup2(write, 3)`. If `read_fd == 3` (common
-            // right after stdio), `dup2` reuses fd 3 for the write end — a later `close(read_fd)`
-            // would then close the sentinel channel the bootstrap writes on (exit 124 in the
-            // helper).
-            libc::close(read_fd);
-            if libc::dup2(write_fd, 3) < 0 {
-                return Err(std::io::Error::last_os_error());
-            }
-            if write_fd != 3 {
-                libc::close(write_fd);
-            }
-            Ok(())
-        });
-    }
-    cmd.spawn().expect("spawn bootstrap")
-}
-
-fn read_pipe_to_end(read_fd: i32) -> Vec<u8> {
-    unsafe {
-        let mut file = std::fs::File::from_raw_fd(read_fd);
-        let mut buf = Vec::new();
-        file.read_to_end(&mut buf).expect("read sentinel pipe");
-        buf
-    }
-}
-
-#[test]
-fn successful_exec_eof_before_child_exit_proves_fd3_cloexec_before_execvp() {
-    let (r, w) = pipe();
-    let bin = env!("CARGO_BIN_EXE_gunbc_execute_command_bootstrap");
-    // Long enough that a leaked fd 3 (no CLOEXEC) would keep the pipe write end open for seconds.
-    let mut child = spawn_bootstrap_with_sentinel_fd(bin, r, w, &["/usr/bin/sleep", "60"]);
-    unsafe {
-        libc::close(w);
-    }
-
-    let (tx, rx) = mpsc::sync_channel(1);
-    let reader = thread::spawn(move || {
-        let buf = read_pipe_to_end(r);
-        let _ = tx.send(buf);
-    });
-
-    let fast_eof = Duration::from_secs(5);
-    let buf = match rx.recv_timeout(fast_eof) {
-        Ok(b) => b,
-        Err(std::sync::mpsc::RecvTimeoutError::Timeout) => {
-            let _ = child.kill();
-            let _ = child.wait();
-            panic!(
-                "sentinel pipe read blocked >{fast_eof:?}; \
-                 if fd 3 were not FD_CLOEXEC before execvp, `/usr/bin/sleep` would inherit the pipe \
-                 write end and EOF would not arrive until sleep exits"
-            );
-        }
-        Err(std::sync::mpsc::RecvTimeoutError::Disconnected) => {
-            let _ = child.kill();
-            let _ = child.wait();
-            panic!("reader thread exited before sending pipe bytes");
-        }
-    };
-
-    assert_eq!(buf.as_slice(), b"se", "got={buf:?}");
-
-    let _ = child.kill();
-    let _ = child.wait().expect("reap child");
-    reader.join().expect("join reader");
-}
-
-#[test]
-fn exec_missing_file_emits_sef() {
-    let (r, w) = pipe();
-    let bin = env!("CARGO_BIN_EXE_gunbc_execute_command_bootstrap");
-    let missing = "/nonexistent/gunbc_execute_command_bootstrap_probe_9f2a1c";
-    let mut child = spawn_bootstrap_with_sentinel_fd(bin, r, w, &[missing]);
-    unsafe {
-        libc::close(w);
-    }
-    let buf = read_pipe_to_end(r);
-    let status = child.wait().expect("wait");
-    assert_eq!(status.code(), Some(127));
-    assert_eq!(buf.as_slice(), b"sef", "got={buf:?}");
-}
diff --git a/src/v3/grounding_coercion_fold/Cargo.toml b/src/v3/grounding_coercion_fold/Cargo.toml
deleted file mode 100644
index 905682d9eff..00000000000
--- a/src/v3/grounding_coercion_fold/Cargo.toml
+++ /dev/null
@@ -1,20 +0,0 @@
-[package]
-name = "v3-grounding-coercion-fold"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-publish = false
-
-# T-Ground-Coercion-Fold — structural fold scaffold (program intent × substrate
-# → target inhabitance OR fail-closed diagnostic). Sibling to grounding_inhabitance_mirror /
-# grounding_engine / grounding_lifetime; does not touch `src/v3/compiler/` SG-0.
-
-[dependencies]
-v3-compiler = { path = "../compiler" }
-v3-grounding-lifetime = { path = "../grounding_lifetime" }
-
-[dev-dependencies]
-# `#[test]` witnesses call `Dag::new_empty_for_testing` (feature-gated on `v3-compiler`).
-# `declaration-id-raw-test-witness` enables opaque `DeclarationId` handles for witnesses that bail
-# out before dereferencing declarations (see `declaration_id_raw_for_testing`).
-v3-compiler = { path = "../compiler", features = ["empty-substrate-for-tests", "declaration-id-raw-test-witness"] }
diff --git a/src/v3/grounding_coercion_fold/src/diagnostic.rs b/src/v3/grounding_coercion_fold/src/diagnostic.rs
deleted file mode 100644
index b60a461e931..00000000000
--- a/src/v3/grounding_coercion_fold/src/diagnostic.rs
+++ /dev/null
@@ -1,35 +0,0 @@
-//! Lane-local Rust mirror of the substrate `EmissionDiagnostic` carrier.
-//!
-//! Substrate authority **LANDED** at `src/v3/std/diagnostics.dag` (T-Ground-Diagnostic;
-//! #1216 brief + #1133 dispatch 4355793511). The substrate carrier declares
-//! `FoldNotImplemented` among its variants. This Rust mirror persists because
-//! `v3-grounding-coercion-fold` cannot consume reflected substrate types today
-//! (no `.dag` → Rust enum codegen path); when reflection-driven generation
-//! lands, the mirror retires.
-//!
-//! **Lockstep discipline:** any new variant added to substrate
-//! `EmissionDiagnostic` MUST land here as a parallel Rust mirror update.
-//!
-//! **UnderRefined axes:** mirror substrate’s string axis payload; declared projection
-//! selection may surface axes such as `"target_integer_inhabitance"` or row-population gates.
-
-/// Rust mirror of substrate `EmissionDiagnostic` (subset; grows with substrate).
-///
-/// Practice 4 (`docs/modeling-discipline.md`): **🟡 YELLOW** — hand-maintained mirror until this
-/// lane consumes reflected substrate types (`.dag` → Rust enum codegen); dissolution aligns with
-/// #1216 / #1133 (no second authority for the same diagnostic facts — lockstep only).
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum EmissionDiagnostic {
-    /// Program intent or structural axis under-specified (substrate `UnderRefined`).
-    UnderRefined {
-        /// Mirrors substrate’s string axis payload for now; when substrate grows structured
-        /// axes (or this mirror gains a sum type), replace free-form spelling here rather than
-        /// widening implicit string conventions.
-        unspecified_axis: String,
-    },
-    /// No target inhabitant can satisfy the requested structural facts.
-    NoInhabitant,
-    /// Full structural fold is not implemented; returning `Ok` would fabricate
-    /// target choices (C-8 / `INVARIANTS.md`).
-    FoldNotImplemented,
-}
diff --git a/src/v3/grounding_coercion_fold/src/fold.rs b/src/v3/grounding_coercion_fold/src/fold.rs
deleted file mode 100644
index c95b9ee9243..00000000000
--- a/src/v3/grounding_coercion_fold/src/fold.rs
+++ /dev/null
@@ -1,680 +0,0 @@
-//! Structural fold entry — coercion = emission (incremental body).
-//!
-//! ## Design authority (`docs/design-emission-model.md`)
-//!
-//! Worked examples in that doc are behavioral targets for the executable
-//! [`LanguageSpecProjection::DeclaredIntegerIntents`](crate::types::LanguageSpecProjection::DeclaredIntegerIntents)
-//! path: program intent rows plus declared `TargetIntegerTypeInhabitance` facts in `dag`
-//! drive selection. [`LanguageSpecProjection::Undeclared`](crate::types::LanguageSpecProjection::Undeclared)
-//! stays [`EmissionDiagnostic::FoldNotImplemented`](crate::diagnostic::EmissionDiagnostic::FoldNotImplemented).
-//!
-//! **`DeclaredIntegerIntents`:** before selection, the fold counts meta-tagged
-//! `TargetIntegerTypeInhabitance` declarations (**INVARIANTS.md E-6**). After a unique structural
-//! match, **`type_realization`** is accepted only through **`selected_target_after_row_type_realization_gate`**
-//! (substrate **`TypeRealization`** meta-tag + **`language`/`target`** vs row **`language`/`kernel_integer`**);
-//! mismatches surface `UnderRefined` **`target_integer_type_realization`**. Row `bound:` values use
-//! [`TargetIntegerInhabitanceBound`](../../std/emit_model.dag) — including **unit
-//! `PlatformDependentFact`** for platform-sized targets. [`match_bound`] pairs program
-//! [`BoundDeclarationView`] with those facts: kind-only **positive match** for
-//! `(PlatformDependent, PlatformDependentFact)`; **DiffersKind** when static vs platform-kind
-//! disagree.
-
-use std::collections::BTreeMap;
-
-use v3_compiler::dag::{
-    literal_decimal_i64, Dag, Declaration, DeclarationId, FieldValue, Interval, IntervalWidth,
-    LiteralBits, PositiveIntervalWidth, TypeConnective, ValueBody,
-};
-use v3_grounding_lifetime::{BindingId, LifetimeAnalysisReport};
-
-use crate::diagnostic::EmissionDiagnostic;
-use crate::types::{
-    IntegerBoundProjection, IntegerTargetIntent, LanguageSpecProjection, SelectedTargetInhabitance,
-};
-
-/// Same-PR consumer for `TargetIntegerTypeInhabitance` spec rows (`emit_model.dag`, **E-6**).
-///
-/// Counts declarations meta-tagged with the template. Coercion-Fold requires this count
-/// before declared projection runs so deleting or failing to lower inhabitance `data` breaks CI.
-pub const MIN_TARGET_INTEGER_TYPE_INHABITANCE_ROWS: usize = 8;
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-enum BoundMatch {
-    Matches,
-    DiffersExact,
-    DiffersKind,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum BoundDeclarationView {
-    StaticBound(Interval<i64>),
-    /// No production construction site yet — program `PlatformDependent` extraction is #1133/#1286.
-    /// `match_bound` + unit tests exercise this variant.
-    #[allow(dead_code)]
-    PlatformDependent,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-enum TargetIntegerInhabitanceBoundView {
-    BoundUnspecified,
-    StaticBoundFact(Interval<i64>),
-    /// Target row mirrors `BoundDeclaration::PlatformDependent` (emit_model `PlatformDependentFact`).
-    PlatformDependentFact,
-}
-
-struct TargetIntegerTypeInhabitanceRow {
-    language: DeclarationId,
-    kernel_integer: DeclarationId,
-    algebra: DeclarationId,
-    bound: TargetIntegerInhabitanceBoundView,
-    type_realization: DeclarationId,
-}
-
-struct ProgramIntegerIntent {
-    target_language: DeclarationId,
-    kernel_integer: DeclarationId,
-    algebra: DeclarationId,
-    bound: BoundDeclarationView,
-    type_realization: Option<DeclarationId>,
-}
-
-fn declared_target_integer_type_inhabitance_row_count(dag: &Dag) -> usize {
-    let Some(meta) = dag.declaration_by_name("TargetIntegerTypeInhabitance") else {
-        return 0;
-    };
-    dag.declarations()
-        .iter()
-        .filter(|decl| decl.meta_tag == Some(meta.id))
-        .count()
-}
-
-fn match_bound(
-    program: &BoundDeclarationView,
-    target: &TargetIntegerInhabitanceBoundView,
-) -> BoundMatch {
-    match (program, target) {
-        (
-            BoundDeclarationView::StaticBound(_),
-            TargetIntegerInhabitanceBoundView::StaticBoundFact(Interval::Unbounded),
-        ) => BoundMatch::Matches,
-        (
-            BoundDeclarationView::StaticBound(program_interval),
-            TargetIntegerInhabitanceBoundView::StaticBoundFact(target_interval),
-        ) => {
-            if program_interval == target_interval {
-                BoundMatch::Matches
-            } else {
-                BoundMatch::DiffersExact
-            }
-        }
-        (
-            BoundDeclarationView::StaticBound(_),
-            TargetIntegerInhabitanceBoundView::BoundUnspecified,
-        ) => BoundMatch::DiffersKind,
-        (
-            BoundDeclarationView::StaticBound(_),
-            TargetIntegerInhabitanceBoundView::PlatformDependentFact,
-        ) => BoundMatch::DiffersKind,
-        (
-            BoundDeclarationView::PlatformDependent,
-            TargetIntegerInhabitanceBoundView::PlatformDependentFact,
-        ) => BoundMatch::Matches,
-        (BoundDeclarationView::PlatformDependent, _) => BoundMatch::DiffersKind,
-    }
-}
-
-fn exact_static_bound_match(
-    program: &BoundDeclarationView,
-    target: &TargetIntegerInhabitanceBoundView,
-) -> bool {
-    matches!(
-        (program, target),
-        (
-            BoundDeclarationView::StaticBound(program_interval),
-            TargetIntegerInhabitanceBoundView::StaticBoundFact(target_interval),
-        ) if program_interval == target_interval
-    )
-}
-
-fn field<'a>(fields: &'a [(String, FieldValue)], label: &str) -> Option<&'a FieldValue> {
-    fields
-        .iter()
-        .find_map(|(field_label, value)| (field_label == label).then_some(value))
-}
-
-fn reference_field(fields: &[(String, FieldValue)], label: &str) -> Option<DeclarationId> {
-    match field(fields, label)? {
-        FieldValue::Reference(id) => Some(*id),
-        _ => None,
-    }
-}
-
-fn int_literal_field(fields: &[(String, FieldValue)], label: &str) -> Option<i64> {
-    match field(fields, label)? {
-        FieldValue::Literal(LiteralBits::Int(value)) => literal_decimal_i64(value.as_str()),
-        _ => None,
-    }
-}
-
-fn variant_label(dag: &Dag, constructor: DeclarationId) -> Option<&str> {
-    dag.declarations().iter().find_map(|decl| {
-        if let TypeConnective::Disj { variants } = &decl.connective {
-            variants
-                .iter()
-                .find_map(|variant| (variant.ty == constructor).then_some(variant.label.as_str()))
-        } else {
-            None
-        }
-    })
-}
-
-fn parse_positive_interval_width(dag: &Dag, value: &FieldValue) -> Option<PositiveIntervalWidth> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    match variant_label(dag, *constructor)? {
-        "OneUnit" => Some(PositiveIntervalWidth::OneUnit),
-        "AdditionalUnit" => {
-            let [previous] = payload.as_slice() else {
-                return None;
-            };
-            Some(PositiveIntervalWidth::AdditionalUnit {
-                previous: Box::new(parse_positive_interval_width(dag, previous)?),
-            })
-        }
-        "UnitCount" => {
-            if let [FieldValue::Literal(LiteralBits::Int(units))] = payload.as_slice() {
-                return Some(PositiveIntervalWidth::UnitCount {
-                    units: literal_decimal_i64(units.as_str())?,
-                });
-            }
-            if let [FieldValue::Record(fields)] = payload.as_slice() {
-                return Some(PositiveIntervalWidth::UnitCount {
-                    units: int_literal_field(fields, "units")?,
-                });
-            };
-            None
-        }
-        _ => None,
-    }
-}
-
-fn parse_interval_width(dag: &Dag, value: &FieldValue) -> Option<IntervalWidth> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    match variant_label(dag, *constructor)? {
-        "ZeroWidth" => {
-            if payload.is_empty() {
-                Some(IntervalWidth::ZeroWidth)
-            } else {
-                None
-            }
-        }
-        "PositiveWidth" => {
-            let [width] = payload.as_slice() else {
-                return None;
-            };
-            Some(IntervalWidth::PositiveWidth(parse_positive_interval_width(
-                dag, width,
-            )?))
-        }
-        _ => None,
-    }
-}
-
-fn parse_int_interval(dag: &Dag, value: &FieldValue) -> Option<Interval<i64>> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    match variant_label(dag, *constructor)? {
-        "Unbounded" => {
-            if payload.is_empty() {
-                Some(Interval::Unbounded)
-            } else {
-                None
-            }
-        }
-        "BoundedInterval" => {
-            if let [FieldValue::Literal(LiteralBits::Int(lower)), width] = payload.as_slice() {
-                return Some(Interval::BoundedInterval {
-                    lower: literal_decimal_i64(lower.as_str())?,
-                    width: parse_interval_width(dag, width)?,
-                });
-            }
-            if let [FieldValue::Record(fields)] = payload.as_slice() {
-                return Some(Interval::BoundedInterval {
-                    lower: int_literal_field(fields, "lower")?,
-                    width: parse_interval_width(dag, field(fields, "width")?)?,
-                });
-            };
-            None
-        }
-        _ => None,
-    }
-}
-
-fn parse_target_integer_inhabitance_bound(
-    dag: &Dag,
-    value: &FieldValue,
-) -> Option<TargetIntegerInhabitanceBoundView> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return None;
-    };
-    match variant_label(dag, *constructor)? {
-        "BoundUnspecified" => {
-            if payload.is_empty() {
-                Some(TargetIntegerInhabitanceBoundView::BoundUnspecified)
-            } else {
-                None
-            }
-        }
-        "StaticBoundFact" => {
-            let [interval] = payload.as_slice() else {
-                return None;
-            };
-            Some(TargetIntegerInhabitanceBoundView::StaticBoundFact(
-                parse_int_interval(dag, interval)?,
-            ))
-        }
-        "PlatformDependentFact" => {
-            if payload.is_empty() {
-                Some(TargetIntegerInhabitanceBoundView::PlatformDependentFact)
-            } else {
-                None
-            }
-        }
-        _ => None,
-    }
-}
-
-fn under_refined_target_integer_type_realization() -> EmissionDiagnostic {
-    EmissionDiagnostic::UnderRefined {
-        unspecified_axis: "target_integer_type_realization".to_string(),
-    }
-}
-
-/// Fail-closed `TypeRealization` payload inspection + **`SelectedTargetInhabitance`** mint (**single
-/// step** — proof and construction coincide). See **E-6** / inlined checks below.
-///
-/// **`row.type_realization`** names substrate **`data …: TypeRealization`** (**`meta_tag ==
-/// type_realization_meta()`**). Structural **`language` / `target`** must equal **`row.language`**
-/// / **`row.kernel_integer`** (**`emit_model.dag`** shape).
-fn selected_target_after_row_type_realization_gate(
-    dag: &Dag,
-    row: &TargetIntegerTypeInhabitanceRow,
-) -> Result<SelectedTargetInhabitance, EmissionDiagnostic> {
-    let type_real_meta =
-        dag.type_realization_meta()
-            .ok_or_else(|| EmissionDiagnostic::UnderRefined {
-                unspecified_axis: "TypeRealization_meta".to_string(),
-            })?;
-
-    let realization = row.type_realization;
-    let Some(decl) = dag.declaration_opt(&realization) else {
-        return Err(under_refined_target_integer_type_realization());
-    };
-
-    if decl.meta_tag != Some(type_real_meta) {
-        return Err(under_refined_target_integer_type_realization());
-    }
-
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        return Err(under_refined_target_integer_type_realization());
-    };
-
-    let Some(rez_language) = reference_field(fields, "language") else {
-        return Err(under_refined_target_integer_type_realization());
-    };
-
-    let Some(rez_target) = reference_field(fields, "target") else {
-        return Err(under_refined_target_integer_type_realization());
-    };
-
-    if rez_language != row.language || rez_target != row.kernel_integer {
-        return Err(under_refined_target_integer_type_realization());
-    }
-
-    Ok(SelectedTargetInhabitance::from_validated_type_realization(
-        realization,
-    ))
-}
-
-fn parse_target_integer_type_inhabitance_row(
-    dag: &Dag,
-    decl: &Declaration,
-) -> Option<TargetIntegerTypeInhabitanceRow> {
-    let Some(ValueBody::Structural { fields }) = &decl.value_body else {
-        return None;
-    };
-    Some(TargetIntegerTypeInhabitanceRow {
-        language: reference_field(fields, "language")?,
-        kernel_integer: reference_field(fields, "kernel_integer")?,
-        algebra: reference_field(fields, "algebra")?,
-        bound: parse_target_integer_inhabitance_bound(dag, field(fields, "bound")?)?,
-        type_realization: reference_field(fields, "type_realization")?,
-    })
-}
-
-fn select_declared_inhabitance(
-    dag: &Dag,
-    intent: &ProgramIntegerIntent,
-) -> Result<SelectedTargetInhabitance, EmissionDiagnostic> {
-    let Some(meta) = dag.declaration_by_name("TargetIntegerTypeInhabitance") else {
-        return Err(EmissionDiagnostic::UnderRefined {
-            unspecified_axis: "declared_TargetIntegerTypeInhabitance_rows".to_string(),
-        });
-    };
-
-    let matches: Vec<TargetIntegerTypeInhabitanceRow> = dag
-        .declarations()
-        .iter()
-        .filter(|decl| decl.meta_tag == Some(meta.id))
-        .filter_map(|decl| parse_target_integer_type_inhabitance_row(dag, decl))
-        .filter(|row| row.language == intent.target_language)
-        .filter(|row| row.kernel_integer == intent.kernel_integer)
-        .filter(|row| row.algebra == intent.algebra)
-        .filter(|row| {
-            intent
-                .type_realization
-                .is_none_or(|type_realization| row.type_realization == type_realization)
-        })
-        .filter(|row| match_bound(&intent.bound, &row.bound) == BoundMatch::Matches)
-        .collect();
-    let exact_matches: Vec<&TargetIntegerTypeInhabitanceRow> = matches
-        .iter()
-        .filter(|row| exact_static_bound_match(&intent.bound, &row.bound))
-        .collect();
-
-    let selected = match (exact_matches.as_slice(), matches.as_slice()) {
-        ([selected], _) => *selected,
-        ([], [selected]) => selected,
-        ([], []) => return Err(EmissionDiagnostic::NoInhabitant),
-        _ => {
-            return Err(EmissionDiagnostic::UnderRefined {
-                unspecified_axis: "target_integer_inhabitance".to_string(),
-            });
-        }
-    };
-
-    selected_target_after_row_type_realization_gate(dag, selected)
-}
-
-fn program_integer_intent_from_projection(
-    projection: &IntegerTargetIntent,
-) -> Result<ProgramIntegerIntent, EmissionDiagnostic> {
-    let bound = match &projection.bound {
-        IntegerBoundProjection::Static(interval) => {
-            BoundDeclarationView::StaticBound(interval.clone())
-        }
-        IntegerBoundProjection::PlatformDependent => BoundDeclarationView::PlatformDependent,
-    };
-    Ok(ProgramIntegerIntent {
-        target_language: projection.target_language,
-        kernel_integer: projection.kernel_integer,
-        algebra: projection.algebra,
-        bound,
-        type_realization: None,
-    })
-}
-
-fn fold_declared_integer_intents(
-    dag: &Dag,
-    intents: &BTreeMap<BindingId, IntegerTargetIntent>,
-) -> Result<BTreeMap<BindingId, SelectedTargetInhabitance>, EmissionDiagnostic> {
-    let declared_rows = declared_target_integer_type_inhabitance_row_count(dag);
-    if declared_rows < MIN_TARGET_INTEGER_TYPE_INHABITANCE_ROWS {
-        return Err(EmissionDiagnostic::UnderRefined {
-            unspecified_axis: "declared_TargetIntegerTypeInhabitance_rows".to_string(),
-        });
-    }
-
-    let mut out = BTreeMap::new();
-    for (&binding, projection) in intents {
-        let intent = program_integer_intent_from_projection(projection)?;
-        out.insert(binding, select_declared_inhabitance(dag, &intent)?);
-    }
-    Ok(out)
-}
-
-/// Structural fold: program + lifetime analysis + LanguageSpec projection →
-/// per-binding selected target inhabitances, **or** a single typed diagnostic.
-///
-/// - [`LanguageSpecProjection::Undeclared`](crate::types::LanguageSpecProjection::Undeclared): fail-closed
-///   [`EmissionDiagnostic::FoldNotImplemented`](crate::diagnostic::EmissionDiagnostic::FoldNotImplemented).
-/// - [`LanguageSpecProjection::DeclaredIntegerIntents`](crate::types::LanguageSpecProjection::DeclaredIntegerIntents):
-///   for each binding, selects a unique `TargetIntegerTypeInhabitance` row and returns its
-///   `type_realization` identity.
-pub fn fold_program_to_target(
-    dag: &Dag,
-    lifetime_facts: &LifetimeAnalysisReport,
-    language_spec: &LanguageSpecProjection,
-) -> Result<BTreeMap<BindingId, SelectedTargetInhabitance>, EmissionDiagnostic> {
-    match language_spec {
-        LanguageSpecProjection::Undeclared => {
-            let _ = lifetime_facts;
-            Err(EmissionDiagnostic::FoldNotImplemented)
-        }
-        LanguageSpecProjection::DeclaredIntegerIntents(intents) => {
-            let _ = lifetime_facts;
-            fold_declared_integer_intents(dag, intents)
-        }
-    }
-}
-
-#[cfg(test)]
-mod match_bound_tests {
-    use super::*;
-    use v3_compiler::dag::{Interval, IntervalWidth, PositiveIntervalWidth};
-
-    fn i32_declared_interval() -> Interval<i64> {
-        Interval::BoundedInterval {
-            lower: -2_147_483_648,
-            width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::UnitCount {
-                units: 4_294_967_295,
-            }),
-        }
-    }
-
-    #[test]
-    fn platform_dependent_program_matches_platform_dependent_fact_target() {
-        assert_eq!(
-            match_bound(
-                &BoundDeclarationView::PlatformDependent,
-                &TargetIntegerInhabitanceBoundView::PlatformDependentFact,
-            ),
-            BoundMatch::Matches
-        );
-    }
-
-    #[test]
-    fn platform_dependent_program_does_not_match_static_bound_fact_target() {
-        assert_eq!(
-            match_bound(
-                &BoundDeclarationView::PlatformDependent,
-                &TargetIntegerInhabitanceBoundView::StaticBoundFact(i32_declared_interval()),
-            ),
-            BoundMatch::DiffersKind
-        );
-    }
-
-    #[test]
-    fn platform_dependent_program_does_not_match_bound_unspecified_target() {
-        assert_eq!(
-            match_bound(
-                &BoundDeclarationView::PlatformDependent,
-                &TargetIntegerInhabitanceBoundView::BoundUnspecified,
-            ),
-            BoundMatch::DiffersKind
-        );
-    }
-
-    #[test]
-    fn static_program_does_not_match_platform_dependent_fact_target() {
-        assert_eq!(
-            match_bound(
-                &BoundDeclarationView::StaticBound(i32_declared_interval()),
-                &TargetIntegerInhabitanceBoundView::PlatformDependentFact,
-            ),
-            BoundMatch::DiffersKind
-        );
-    }
-}
-
-#[cfg(test)]
-mod type_realization_gate_tests {
-    use super::*;
-    use crate::diagnostic::EmissionDiagnostic;
-    use v3_compiler::dag::Dag;
-
-    fn with_bootstrap_stack<F, R>(f: F) -> R
-    where
-        F: FnOnce() -> R + Send + 'static,
-        R: Send + 'static,
-    {
-        std::thread::Builder::new()
-            .stack_size(8 * 1024 * 1024)
-            .spawn(f)
-            .expect("spawn bootstrap stack test thread")
-            .join()
-            .expect("bootstrap stack test thread panicked")
-    }
-
-    fn declaration_id_by_name(dag: &Dag, name: &str) -> DeclarationId {
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("missing declaration `{name}`"))
-            .id
-    }
-
-    fn u32_fixture_row_for_rust(dag: &Dag) -> TargetIntegerTypeInhabitanceRow {
-        TargetIntegerTypeInhabitanceRow {
-            language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-            kernel_integer: declaration_id_by_name(dag, "UInt32"),
-            algebra: declaration_id_by_name(dag, "UInt32"),
-            bound: TargetIntegerInhabitanceBoundView::BoundUnspecified,
-            type_realization: declaration_id_by_name(dag, "rust_u32"),
-        }
-    }
-
-    #[test]
-    fn substrate_type_realization_aligns_language_and_kernel_for_fixture_row() {
-        with_bootstrap_stack(|| {
-            let dag = Dag::new();
-            let row = u32_fixture_row_for_rust(&dag);
-            assert!(selected_target_after_row_type_realization_gate(&dag, &row).is_ok());
-        });
-    }
-
-    #[test]
-    fn mismatched_language_on_type_realization_fails_gate() {
-        with_bootstrap_stack(|| {
-            let dag = Dag::new();
-            let rust_u32 = declaration_id_by_name(&dag, "rust_u32");
-            let kernel_u32 = declaration_id_by_name(&dag, "UInt32");
-            let python_lang = dag.python_language_spec().expect("Python LanguageSpec");
-
-            assert_eq!(
-                selected_target_after_row_type_realization_gate(
-                    &dag,
-                    &TargetIntegerTypeInhabitanceRow {
-                        language: python_lang,
-                        kernel_integer: kernel_u32,
-                        algebra: kernel_u32,
-                        bound: TargetIntegerInhabitanceBoundView::BoundUnspecified,
-                        type_realization: rust_u32,
-                    },
-                ),
-                Err(EmissionDiagnostic::UnderRefined {
-                    unspecified_axis: "target_integer_type_realization".to_string(),
-                })
-            );
-        });
-    }
-
-    #[test]
-    fn mismatched_kernel_integer_vs_realization_target_fails_gate() {
-        with_bootstrap_stack(|| {
-            let dag = Dag::new();
-            let rust_language = dag.rust_language_spec().expect("Rust LanguageSpec");
-            let rust_u32 = declaration_id_by_name(&dag, "rust_u32");
-            let wrong_kernel = declaration_id_by_name(&dag, "Int32");
-
-            assert_eq!(
-                selected_target_after_row_type_realization_gate(
-                    &dag,
-                    &TargetIntegerTypeInhabitanceRow {
-                        language: rust_language,
-                        kernel_integer: wrong_kernel,
-                        algebra: wrong_kernel,
-                        bound: TargetIntegerInhabitanceBoundView::BoundUnspecified,
-                        type_realization: rust_u32,
-                    },
-                ),
-                Err(EmissionDiagnostic::UnderRefined {
-                    unspecified_axis: "target_integer_type_realization".to_string(),
-                })
-            );
-        });
-    }
-
-    #[test]
-    fn kernel_declaration_used_as_payload_fails_meta_gate() {
-        with_bootstrap_stack(|| {
-            let dag = Dag::new();
-            let kernel_u32 = declaration_id_by_name(&dag, "UInt32");
-            let row = TargetIntegerTypeInhabitanceRow {
-                language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                kernel_integer: kernel_u32,
-                algebra: kernel_u32,
-                bound: TargetIntegerInhabitanceBoundView::BoundUnspecified,
-                type_realization: kernel_u32,
-            };
-
-            assert_eq!(
-                selected_target_after_row_type_realization_gate(&dag, &row),
-                Err(EmissionDiagnostic::UnderRefined {
-                    unspecified_axis: "target_integer_type_realization".to_string(),
-                })
-            );
-        });
-    }
-
-    #[test]
-    fn unknown_declaration_id_used_as_payload_fails_gate() {
-        with_bootstrap_stack(|| {
-            let dag = Dag::new();
-            let bogus = DeclarationId::declaration_id_raw_for_testing(u32::MAX);
-            assert_eq!(
-                selected_target_after_row_type_realization_gate(
-                    &dag,
-                    &TargetIntegerTypeInhabitanceRow {
-                        language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                        kernel_integer: declaration_id_by_name(&dag, "UInt32"),
-                        algebra: declaration_id_by_name(&dag, "UInt32"),
-                        bound: TargetIntegerInhabitanceBoundView::BoundUnspecified,
-                        type_realization: bogus,
-                    },
-                ),
-                Err(EmissionDiagnostic::UnderRefined {
-                    unspecified_axis: "target_integer_type_realization".to_string(),
-                })
-            );
-        });
-    }
-}
diff --git a/src/v3/grounding_coercion_fold/src/lib.rs b/src/v3/grounding_coercion_fold/src/lib.rs
deleted file mode 100644
index cc0080c955b..00000000000
--- a/src/v3/grounding_coercion_fold/src/lib.rs
+++ /dev/null
@@ -1,318 +0,0 @@
-//! T-Ground-Coercion-Fold — structural emission fold (**coercion = emission**).
-//!
-//! Per [`docs/design-emission-model.md`](../../../../docs/design-emission-model.md), this lane
-//! reads program intent + substrate facts and returns a unique selected target per binding
-//! or [`EmissionDiagnostic`](diagnostic::EmissionDiagnostic).
-//!
-//! ## Implemented today
-//!
-//! - [`fold_program_to_target`](fold::fold_program_to_target) with
-//!   [`LanguageSpecProjection::Undeclared`](types::LanguageSpecProjection::Undeclared) stays
-//!   fail-closed [`EmissionDiagnostic::FoldNotImplemented`](diagnostic::EmissionDiagnostic::FoldNotImplemented).
-//! - [`LanguageSpecProjection::DeclaredIntegerIntents`](types::LanguageSpecProjection::DeclaredIntegerIntents)
-//!   selects declared [`TargetIntegerTypeInhabitance`](../../std/emit_model.dag) rows per binding
-//!   and returns [`SelectedTargetInhabitance`](types::SelectedTargetInhabitance) (the row’s
-//!   `type_realization` reference) only after validating that reference is substrate
-//!   `data …: TypeRealization` (**`dag.type_realization_meta()`** match — fail-closed otherwise).
-//!   Before selection, the fold counts meta-tagged inhabitance rows
-//!   in the bootstrap `dag` (**INVARIANTS.md E-6**).
-//!
-//! Declared **spec rows** can name `PlatformDependentFact` (e.g. Go native `int` in
-//! `v3/spec/go.dag`); wiring **program** `PlatformDependent` bounds through
-//! `LanguageSpecProjection` + lifetime facts remains #1133 / #1286.
-//!
-//! ## SG-0 / discipline
-//!
-//! - **No** edits under [`src/v3/compiler/`](../../compiler) — consume `v3-compiler` APIs only.
-//! - Lane-local [`EmissionDiagnostic`](diagnostic::EmissionDiagnostic) converges per
-//!   `docs/briefs/t-ground-diagnostic.md` / #1216.
-
-mod diagnostic;
-mod fold;
-mod types;
-
-pub use diagnostic::EmissionDiagnostic;
-pub use fold::{fold_program_to_target, MIN_TARGET_INTEGER_TYPE_INHABITANCE_ROWS};
-pub use types::{
-    IntegerBoundProjection, IntegerTargetIntent, LanguageSpecProjection, SelectedTargetInhabitance,
-};
-
-#[cfg(test)]
-mod tests {
-    // Design-emission-model Examples 1 (`UnderRefined` / bound) and 5 (`UnderRefined` / algebra) were
-    // scratch-simulated only. `DeclaredIntegerIntents` always carries explicit `IntegerTargetIntent`
-    // bound + algebra ids, so those axis receipts wait on program-side projection (#1133 / #1286).
-    // Post-G3 `rg` over `*.rs` under `src/v3` shows no `ScratchIntExamples` consumers.
-
-    use std::collections::BTreeMap;
-
-    use v3_compiler::dag::{Interval, IntervalWidth, PositiveIntervalWidth};
-    use v3_grounding_lifetime::LifetimeAnalysisReport;
-
-    use super::*;
-
-    /// Bootstrap `Dag::new()` inference can overflow the default test thread stack after deep std
-    /// construction chains (e.g. post–#1466 `Int = AbelianGroup<GroupCompletion<Nat>>`).
-    fn with_bootstrap_stack<F, R>(f: F) -> R
-    where
-        F: FnOnce() -> R + Send + 'static,
-        R: Send + 'static,
-    {
-        std::thread::Builder::new()
-            .stack_size(8 * 1024 * 1024)
-            .spawn(f)
-            .expect("spawn bootstrap stack test thread")
-            .join()
-            .expect("bootstrap stack test thread panicked")
-    }
-
-    fn declaration_id_by_name(
-        dag: &v3_compiler::dag::Dag,
-        name: &str,
-    ) -> v3_compiler::dag::DeclarationId {
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("missing declaration `{name}`"))
-            .id
-    }
-
-    fn example_8_i32_interval() -> Interval<i64> {
-        Interval::BoundedInterval {
-            lower: -2_147_483_648,
-            width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::UnitCount {
-                units: 4_294_967_295,
-            }),
-        }
-    }
-
-    #[test]
-    fn fold_undeclared_projection_stays_fold_not_implemented() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let spec = LanguageSpecProjection::Undeclared;
-            let err = fold_program_to_target(&dag, &lifetime, &spec).expect_err("undeclared");
-            assert_eq!(err, EmissionDiagnostic::FoldNotImplemented);
-        });
-    }
-
-    #[test]
-    fn declared_projection_requires_emit_model_inhabitance_rows() {
-        // Opaque ids: row-count gate returns before dereferencing projections (witness-only ctor).
-        let dummy_decl = v3_compiler::dag::DeclarationId::declaration_id_raw_for_testing(0);
-        let dag = v3_compiler::dag::Dag::new_empty_for_testing();
-        let lifetime: LifetimeAnalysisReport = Default::default();
-        let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-            v3_grounding_lifetime::BindingId(0),
-            IntegerTargetIntent {
-                target_language: dummy_decl,
-                kernel_integer: dummy_decl,
-                algebra: dummy_decl,
-                bound: IntegerBoundProjection::Static(Interval::Unbounded),
-            },
-        )]));
-        let err = fold_program_to_target(&dag, &lifetime, &spec).expect_err("row gate");
-        assert_eq!(
-            err,
-            EmissionDiagnostic::UnderRefined {
-                unspecified_axis: "declared_TargetIntegerTypeInhabitance_rows".to_string(),
-            }
-        );
-    }
-
-    #[test]
-    fn declared_language_spec_integer_projection_emits_per_binding_inhabitance() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let rust_u32 = declaration_id_by_name(&dag, "rust_u32");
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(7),
-                IntegerTargetIntent {
-                    target_language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "UInt32"),
-                    algebra: declaration_id_by_name(&dag, "UInt32"),
-                    bound: IntegerBoundProjection::Static(Interval::BoundedInterval {
-                        lower: 0,
-                        width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::UnitCount {
-                            units: 4_294_967_295,
-                        }),
-                    }),
-                },
-            )]));
-            let got = fold_program_to_target(&dag, &lifetime, &spec).expect("ok");
-            assert_eq!(got.len(), 1);
-            assert_eq!(
-                got.get(&v3_grounding_lifetime::BindingId(7))
-                    .map(|s| s.type_realization()),
-                Some(rust_u32)
-            );
-        });
-    }
-
-    #[test]
-    fn design_doc_example_2_bounded_int_selects_declared_rust_u32_row() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let rust_u32 = declaration_id_by_name(&dag, "rust_u32");
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(0),
-                IntegerTargetIntent {
-                    target_language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "UInt32"),
-                    algebra: declaration_id_by_name(&dag, "UInt32"),
-                    bound: IntegerBoundProjection::Static(Interval::BoundedInterval {
-                        lower: 0,
-                        width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::UnitCount {
-                            units: 4_294_967_295,
-                        }),
-                    }),
-                },
-            )]));
-            let got = fold_program_to_target(&dag, &lifetime, &spec).expect("ok");
-            assert_eq!(
-                got.get(&v3_grounding_lifetime::BindingId(0))
-                    .map(|s| s.type_realization()),
-                Some(rust_u32)
-            );
-        });
-    }
-
-    #[test]
-    fn fold_intent_bound_with_no_matching_row_returns_no_inhabitant() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(0),
-                IntegerTargetIntent {
-                    target_language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "UInt32"),
-                    algebra: declaration_id_by_name(&dag, "UInt32"),
-                    bound: IntegerBoundProjection::Static(Interval::BoundedInterval {
-                        lower: 0,
-                        width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::UnitCount {
-                            units: 42,
-                        }),
-                    }),
-                },
-            )]));
-            let err = fold_program_to_target(&dag, &lifetime, &spec).expect_err("no inhabitant");
-            assert_eq!(err, EmissionDiagnostic::NoInhabitant);
-        });
-    }
-
-    #[test]
-    fn fold_example_8_rust_i32_row_via_declared_projection() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let rust_i32 = declaration_id_by_name(&dag, "rust_i32");
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(0),
-                IntegerTargetIntent {
-                    target_language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "Int32"),
-                    algebra: declaration_id_by_name(&dag, "Int32"),
-                    bound: IntegerBoundProjection::Static(example_8_i32_interval()),
-                },
-            )]));
-            let got = fold_program_to_target(&dag, &lifetime, &spec).expect("ok");
-            assert_eq!(
-                got.get(&v3_grounding_lifetime::BindingId(0))
-                    .map(|s| s.type_realization()),
-                Some(rust_i32)
-            );
-        });
-    }
-
-    #[test]
-    fn fold_example_8_python_int_row_via_declared_projection() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let python_int = declaration_id_by_name(&dag, "python_int");
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(0),
-                IntegerTargetIntent {
-                    target_language: dag.python_language_spec().expect("Python LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "Int"),
-                    algebra: declaration_id_by_name(&dag, "Int"),
-                    bound: IntegerBoundProjection::Static(example_8_i32_interval()),
-                },
-            )]));
-            let got = fold_program_to_target(&dag, &lifetime, &spec).expect("ok");
-            assert_eq!(
-                got.get(&v3_grounding_lifetime::BindingId(0))
-                    .map(|s| s.type_realization()),
-                Some(python_int)
-            );
-        });
-    }
-
-    #[test]
-    fn fold_example_8_go_int32_row_via_declared_projection() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let go_int32 = declaration_id_by_name(&dag, "go_int32");
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(0),
-                IntegerTargetIntent {
-                    target_language: dag.go_language_spec().expect("Go LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "Int32"),
-                    algebra: declaration_id_by_name(&dag, "Int32"),
-                    bound: IntegerBoundProjection::Static(example_8_i32_interval()),
-                },
-            )]));
-            let got = fold_program_to_target(&dag, &lifetime, &spec).expect("ok");
-            assert_eq!(
-                got.get(&v3_grounding_lifetime::BindingId(0))
-                    .map(|s| s.type_realization()),
-                Some(go_int32)
-            );
-        });
-    }
-
-    #[test]
-    fn fold_mismatched_static_bound_yields_no_inhabitant() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let wrong_bound = Interval::BoundedInterval {
-                lower: -2_147_483_648,
-                width: IntervalWidth::ZeroWidth,
-            };
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(0),
-                IntegerTargetIntent {
-                    target_language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "Int32"),
-                    algebra: declaration_id_by_name(&dag, "Int32"),
-                    bound: IntegerBoundProjection::Static(wrong_bound),
-                },
-            )]));
-            let err = fold_program_to_target(&dag, &lifetime, &spec).expect_err("no match");
-            assert_eq!(err, EmissionDiagnostic::NoInhabitant);
-        });
-    }
-
-    #[test]
-    fn fold_wrong_kernel_algebra_pair_yields_no_inhabitant() {
-        with_bootstrap_stack(|| {
-            let dag = v3_compiler::dag::Dag::new();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let spec = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                v3_grounding_lifetime::BindingId(0),
-                IntegerTargetIntent {
-                    target_language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "UInt32"),
-                    algebra: declaration_id_by_name(&dag, "UInt32"),
-                    bound: IntegerBoundProjection::Static(example_8_i32_interval()),
-                },
-            )]));
-            let err = fold_program_to_target(&dag, &lifetime, &spec).expect_err("no match");
-            assert_eq!(err, EmissionDiagnostic::NoInhabitant);
-        });
-    }
-}
diff --git a/src/v3/grounding_coercion_fold/src/types.rs b/src/v3/grounding_coercion_fold/src/types.rs
deleted file mode 100644
index 5f711ab8d0f..00000000000
--- a/src/v3/grounding_coercion_fold/src/types.rs
+++ /dev/null
@@ -1,73 +0,0 @@
-//! LanguageSpec projection + target inhabitance carriers for the structural fold.
-
-use std::collections::BTreeMap;
-
-use v3_compiler::dag::{DeclarationId, Interval};
-use v3_grounding_lifetime::BindingId;
-
-/// How the fold obtains LanguageSpec / target-primitive substrate facts.
-///
-/// **Scratch path retired (#1980):** integer rows are selected only through
-/// `DeclaredIntegerIntents` over `TargetIntegerTypeInhabitance` facts — transitional
-/// `ScratchIntExamples` is removed.
-///
-/// Practice 4 (`docs/modeling-discipline.md`): **🟡 YELLOW (residual scope)** — gated items below
-/// are explicit until program-bound + lifecycle wiring fully owns the LanguageSpec boundary:
-///
-/// - **`Undeclared`**: fail-closed placeholder until a substrate-backed reader lands here (#1133 /
-///   lifetime facts #1286).
-/// - **`DeclaredIntegerIntents` + `IntegerTargetIntent`**: executable projection, but
-///   `IntegerBoundProjection` remains a lane-local mirror of program bounds until lowering can
-///   pass declared `BoundDeclaration` directly (#1133 / #1286).
-#[derive(Debug, Clone, PartialEq, Eq, Default)]
-pub enum LanguageSpecProjection {
-    #[default]
-    Undeclared,
-    DeclaredIntegerIntents(BTreeMap<BindingId, IntegerTargetIntent>),
-}
-
-/// Program-side integer bound projected into the fold.
-///
-/// Practice 4 (`docs/modeling-discipline.md`): **🟡 YELLOW** — mirrors the declared
-/// `BoundDeclaration` static/platform split only for the executable
-/// LanguageSpec projection carrier; retires as a distinct public coproduct once
-/// program-bound extraction can pass substrate bound declarations directly (#1133 / #1286).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum IntegerBoundProjection {
-    Static(Interval<i64>),
-    PlatformDependent,
-}
-
-/// Per-binding integer intent consumed against `TargetIntegerTypeInhabitance` rows.
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct IntegerTargetIntent {
-    pub target_language: DeclarationId,
-    pub kernel_integer: DeclarationId,
-    pub algebra: DeclarationId,
-    pub bound: IntegerBoundProjection,
-}
-
-/// Selected integer target: identity from **`selected_target_after_row_type_realization_gate`**
-/// (`fold.rs`) after substrate **`TypeRealization`** inspection (meta-tag + **`language`** /
-/// **`target`** vs row **`language`** / **`kernel_integer`**).
-///
-/// **API contract:** downstream code must not fabricate this carrier — obtain values only from
-/// [`fold_program_to_target`](crate::fold::fold_program_to_target). The field is private so random
-/// `DeclarationId` values cannot be mistaken for validated substrate proof outside this crate.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct SelectedTargetInhabitance {
-    type_realization: DeclarationId,
-}
-
-impl SelectedTargetInhabitance {
-    #[must_use]
-    pub fn type_realization(self) -> DeclarationId {
-        self.type_realization
-    }
-
-    /// Crate-local mint after **`fold::selected_target_after_row_type_realization_gate`** passes —
-    /// not a standalone proof primitive.
-    pub(crate) fn from_validated_type_realization(type_realization: DeclarationId) -> Self {
-        Self { type_realization }
-    }
-}
diff --git a/src/v3/grounding_cross_target_meta/Cargo.toml b/src/v3/grounding_cross_target_meta/Cargo.toml
deleted file mode 100644
index 8745adc1180..00000000000
--- a/src/v3/grounding_cross_target_meta/Cargo.toml
+++ /dev/null
@@ -1,18 +0,0 @@
-[package]
-name = "v3-grounding-cross-target-meta"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-publish = false
-
-# T-Ground-CrossTarget-Meta — L6 cross-product walker scaffold. Sibling crate
-# to grounding_inhabitance_mirror / grounding_engine / grounding_lifetime / grounding_coercion_fold;
-# does not touch `src/v3/compiler/` SG-0. Per the lane brief at
-# `docs/briefs/t-ground-cross-target-meta.md` (#1224 + L6 form-axis anchor #1229)
-# and manager dispatch (#1133 inbox 4353412409): walks
-# `(TypeConnective × Behavior × Shape A target)` cells and reports
-# fail-closed `MissingEmissionPath` diagnostics for cells with no
-# LanguageSpec coverage. Runtime check; NOT a `Lens<C>` instance.
-
-[dependencies]
-v3-compiler = { path = "../compiler" }
diff --git a/src/v3/grounding_cross_target_meta/src/cells.rs b/src/v3/grounding_cross_target_meta/src/cells.rs
deleted file mode 100644
index 6c8d2bbf625..00000000000
--- a/src/v3/grounding_cross_target_meta/src/cells.rs
+++ /dev/null
@@ -1,145 +0,0 @@
-//! Cross-product cell coordinates: (form × behavior × target).
-//!
-//! `FormAxis` enumerates the six [`v3_compiler::dag::TypeConnective`]
-//! discriminants (substrate-anchored per #1229), `BehaviorAxis` the
-//! five [`v3_compiler::dag::Behavior`] variants, and `ShapeATarget`
-//! is a typed reference to a target `LanguageSpec` declaration. Each
-//! `Cell` is one `(form × behavior × LanguageSpec target)` triple.
-
-use v3_compiler::dag::{Dag, DeclarationId};
-
-/// Form-axis discriminant — mirrors [`v3_compiler::dag::TypeConnective`]
-/// variants without carrying their payloads (the cross-product walker
-/// only needs the discriminant identity for L6 lookup).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum FormAxis {
-    Atom,
-    Conj,
-    Disj,
-    Arrow,
-    Cardinality,
-    Instantiation,
-}
-
-impl FormAxis {
-    /// All six form variants, in substrate-declaration order
-    /// (`src/v3/std/substrate.dag:164`).
-    pub const ALL: [FormAxis; 6] = [
-        FormAxis::Atom,
-        FormAxis::Conj,
-        FormAxis::Disj,
-        FormAxis::Arrow,
-        FormAxis::Cardinality,
-        FormAxis::Instantiation,
-    ];
-
-    pub fn label(self) -> &'static str {
-        match self {
-            FormAxis::Atom => "Atom",
-            FormAxis::Conj => "Conj",
-            FormAxis::Disj => "Disj",
-            FormAxis::Arrow => "Arrow",
-            FormAxis::Cardinality => "Cardinality",
-            FormAxis::Instantiation => "Instantiation",
-        }
-    }
-}
-
-/// Behavior-axis discriminant — mirrors [`v3_compiler::dag::Behavior`]
-/// variants without carrying their payloads.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum BehaviorAxis {
-    Value,
-    Transform,
-    Branch,
-    Loop,
-    Bind,
-}
-
-impl BehaviorAxis {
-    /// All five behavior variants, in L1 model order.
-    pub const ALL: [BehaviorAxis; 5] = [
-        BehaviorAxis::Value,
-        BehaviorAxis::Transform,
-        BehaviorAxis::Branch,
-        BehaviorAxis::Loop,
-        BehaviorAxis::Bind,
-    ];
-
-    pub fn label(self) -> &'static str {
-        match self {
-            BehaviorAxis::Value => "Value",
-            BehaviorAxis::Transform => "Transform",
-            BehaviorAxis::Branch => "Branch",
-            BehaviorAxis::Loop => "Loop",
-            BehaviorAxis::Bind => "Bind",
-        }
-    }
-}
-
-/// Shape A target identity, backed by the `LanguageSpec` data declaration
-/// that owns the target's substrate facts.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct ShapeATarget {
-    pub spec: DeclarationId,
-}
-
-impl ShapeATarget {
-    pub fn new(spec: DeclarationId) -> ShapeATarget {
-        ShapeATarget { spec }
-    }
-
-    pub fn label(self, dag: &Dag) -> String {
-        let name = dag
-            .declaration(self.spec)
-            .name
-            .as_deref()
-            .unwrap_or("<anonymous_language_spec>");
-        match name {
-            "rust_shape_a_target" => "Rust".to_string(),
-            "python_shape_a_target" => "Python".to_string(),
-            "go_shape_a_target" => "Go".to_string(),
-            "rust_language" => "Rust".to_string(),
-            "python_language" => "Python".to_string(),
-            "go_language" => "Go".to_string(),
-            other => other.to_string(),
-        }
-    }
-}
-
-/// One cell in the (form × behavior × target) cross product. The
-/// L6 walker enumerates 30 cells per target and reports per-cell
-/// coverage against the LanguageSpec emission-path table.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct Cell {
-    pub connective: FormAxis,
-    pub behavior: BehaviorAxis,
-    pub target: ShapeATarget,
-}
-
-impl Cell {
-    /// Iterator over all cells, in nested-loop order
-    /// (form outer, behavior middle, target inner).
-    pub fn all(targets: &[ShapeATarget]) -> impl Iterator<Item = Cell> + '_ {
-        FormAxis::ALL.iter().copied().flat_map(move |connective| {
-            BehaviorAxis::ALL.iter().copied().flat_map(move |behavior| {
-                targets.iter().copied().map(move |target| Cell {
-                    connective,
-                    behavior,
-                    target,
-                })
-            })
-        })
-    }
-
-    /// Stable key for closure-ledger gap rows (`docs/r2-closure-ledger.md`):
-    /// `Form_Behavior_Target` using substrate axis labels and LanguageSpec name.
-    pub fn ledger_key(self, dag: &Dag) -> String {
-        format!(
-            "{}_{}_{}",
-            self.connective.label(),
-            self.behavior.label(),
-            self.target.label(dag)
-        )
-    }
-}
diff --git a/src/v3/grounding_cross_target_meta/src/closure_ledger_gate.rs b/src/v3/grounding_cross_target_meta/src/closure_ledger_gate.rs
deleted file mode 100644
index 6c5b44bf6d2..00000000000
--- a/src/v3/grounding_cross_target_meta/src/closure_ledger_gate.rs
+++ /dev/null
@@ -1,160 +0,0 @@
-//! R2 closure-ledger ratchet for L6 `MissingEmissionPath` gaps.
-//!
-//! Consumes [`crate::walker::CrossProductReport`] as tracked-gap receipts: every missing
-//! cell must appear as a machine-readable key between ledger markers; ledger keys must
-//! not drift from the live walker output at HEAD.
-
-use std::collections::HashSet;
-
-use v3_compiler::generated_full_bootstrap_dag;
-
-use crate::check_l6_load_completeness;
-
-// Snapshot of the L6 key block from the retired `docs/r2-closure-ledger.md` ledger.
-const R2_CLOSURE_LEDGER: &str = r#"| `l6_method_template_per_row_projection` | structural-debt |
-<!-- L6_MISSING_EMISSION_PATH_KEYS_BEGIN -->
-Atom_Value_Rust
-Atom_Value_Python
-Atom_Value_Go
-Atom_Transform_Rust
-Atom_Transform_Python
-Atom_Transform_Go
-Atom_Branch_Rust
-Atom_Branch_Python
-Atom_Branch_Go
-Atom_Loop_Rust
-Atom_Loop_Python
-Atom_Loop_Go
-Atom_Bind_Rust
-Atom_Bind_Python
-Atom_Bind_Go
-Conj_Value_Rust
-Conj_Value_Python
-Conj_Value_Go
-Conj_Transform_Rust
-Conj_Transform_Python
-Conj_Transform_Go
-Conj_Branch_Rust
-Conj_Branch_Python
-Conj_Branch_Go
-Conj_Loop_Rust
-Conj_Loop_Python
-Conj_Loop_Go
-Conj_Bind_Rust
-Conj_Bind_Python
-Conj_Bind_Go
-Disj_Value_Rust
-Disj_Value_Python
-Disj_Value_Go
-Disj_Transform_Rust
-Disj_Transform_Python
-Disj_Transform_Go
-Disj_Branch_Rust
-Disj_Branch_Python
-Disj_Branch_Go
-Disj_Loop_Rust
-Disj_Loop_Python
-Disj_Loop_Go
-Disj_Bind_Rust
-Disj_Bind_Python
-Disj_Bind_Go
-Arrow_Value_Rust
-Arrow_Value_Python
-Arrow_Value_Go
-Arrow_Transform_Rust
-Arrow_Transform_Python
-Arrow_Transform_Go
-Arrow_Branch_Rust
-Arrow_Branch_Python
-Arrow_Branch_Go
-Arrow_Loop_Rust
-Arrow_Loop_Python
-Arrow_Loop_Go
-Arrow_Bind_Rust
-Arrow_Bind_Python
-Arrow_Bind_Go
-Cardinality_Value_Rust
-Cardinality_Value_Python
-Cardinality_Value_Go
-Cardinality_Branch_Rust
-Cardinality_Branch_Python
-Cardinality_Branch_Go
-Cardinality_Loop_Rust
-Cardinality_Loop_Python
-Cardinality_Loop_Go
-Cardinality_Bind_Rust
-Cardinality_Bind_Python
-Cardinality_Bind_Go
-Instantiation_Value_Rust
-Instantiation_Value_Python
-Instantiation_Value_Go
-Instantiation_Transform_Rust
-Instantiation_Transform_Python
-Instantiation_Transform_Go
-Instantiation_Branch_Rust
-Instantiation_Branch_Python
-Instantiation_Branch_Go
-Instantiation_Loop_Rust
-Instantiation_Loop_Python
-Instantiation_Loop_Go
-Instantiation_Bind_Rust
-Instantiation_Bind_Python
-Instantiation_Bind_Go
-<!-- L6_MISSING_EMISSION_PATH_KEYS_END -->
-"#;
-
-const L6_KEYS_BEGIN: &str = "<!-- L6_MISSING_EMISSION_PATH_KEYS_BEGIN -->";
-const L6_KEYS_END: &str = "<!-- L6_MISSING_EMISSION_PATH_KEYS_END -->";
-
-/// Structural debt receipt id authored next to the L6 gap key list (non-cell).
-pub const L6_METHOD_TEMPLATE_PER_ROW_PROJECTION_ID: &str = "l6_method_template_per_row_projection";
-
-fn parse_l6_missing_keys_between_markers(doc: &str) -> HashSet<String> {
-    let start_idx = doc
-        .find(L6_KEYS_BEGIN)
-        .expect("closure ledger snapshot must contain L6 key block start marker");
-    let rest = &doc[start_idx + L6_KEYS_BEGIN.len()..];
-    let end_rel = rest
-        .find(L6_KEYS_END)
-        .expect("closure ledger snapshot must contain L6 key block end marker");
-    let body = &rest[..end_rel];
-    body.lines()
-        .map(str::trim)
-        .filter(|l| !l.is_empty() && !l.starts_with("<!--"))
-        .map(String::from)
-        .collect()
-}
-
-/// Ratchet: ledger keys ⟺ `CrossProductReport.missing` keys at bootstrap HEAD.
-pub(crate) fn assert_closure_ledger_matches_l6_missing_emission_paths() {
-    let dag = generated_full_bootstrap_dag();
-    let report = check_l6_load_completeness(&dag);
-    let expected: HashSet<String> = report
-        .missing
-        .iter()
-        .map(|(cell, _)| cell.ledger_key(&dag))
-        .collect();
-
-    assert!(
-        R2_CLOSURE_LEDGER.contains(L6_METHOD_TEMPLATE_PER_ROW_PROJECTION_ID),
-        "closure ledger must receipt `{}` (coverage.rs per-row projection debt)",
-        L6_METHOD_TEMPLATE_PER_ROW_PROJECTION_ID
-    );
-
-    let ledger_keys = parse_l6_missing_keys_between_markers(R2_CLOSURE_LEDGER);
-    assert_eq!(
-        ledger_keys, expected,
-        "closure ledger L6 key block must exactly match walker missing cells (update \
-         embedded snapshot in closure_ledger_gate.rs when coverage shifts)"
-    );
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn bootstrap_cross_product_missing_matches_closure_ledger_l6_keys() {
-        assert_closure_ledger_matches_l6_missing_emission_paths();
-    }
-}
diff --git a/src/v3/grounding_cross_target_meta/src/coverage.rs b/src/v3/grounding_cross_target_meta/src/coverage.rs
deleted file mode 100644
index 93ba2db9daf..00000000000
--- a/src/v3/grounding_cross_target_meta/src/coverage.rs
+++ /dev/null
@@ -1,667 +0,0 @@
-//! Project landed LanguageSpec-adjacent rows onto L6 cross-product cells.
-//!
-//! Authority at HEAD: `src/v3/std/cross_target_coverage.dag`
-//! (`List<EmissionPathProjection>`). Each row carries a typed
-//! `(LanguageSpec target, dag_method)` identity plus its covered cells.
-//!
-//! **Audit mapping (HEAD):** every Phase 1 row attaches to the same structural L6
-//! bucket — **[`FormAxis::Cardinality`] × [`BehaviorAxis::Transform`] × target** —
-//! because these rows are the Shape A emission paths for **Transform-shaped method
-//! calls** on structured collection carriers (the connective axis for list-like
-//! shapes is [`TypeConnective::Cardinality`] per substrate; invocation is L1
-//! **Transform**, not Value/Branch/Loop/Bind). Targets split only along
-//! [`ShapeATarget`].
-//!
-//! Future LanguageSpec tables should add row-local `EmissionCell` entries; the
-//! walker unions only cells carried by typed projection rows whose target
-//! refines to a loaded `LanguageSpec` declaration.
-
-use std::collections::{HashMap, HashSet};
-
-use crate::cells::{BehaviorAxis, Cell, FormAxis, ShapeATarget};
-use v3_compiler::dag::{Dag, DeclarationId, FieldValue, TypeConnective, ValueBody};
-
-const EMISSION_PATH_PROJECTIONS: &str = "emission_path_projections";
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub(crate) enum ProjectionCoverageError {
-    ProjectionDeclarationMissing,
-    ProjectionDeclarationLacksValueBody,
-    ProjectionDeclarationValueBodyNotList,
-    ProjectionListEmpty,
-    ProjectionRowNotRecord {
-        row_index: usize,
-    },
-    ProjectionRowMissingField {
-        row_index: usize,
-        field: &'static str,
-    },
-    ProjectionRowUnknownField {
-        row_index: usize,
-        field: String,
-    },
-    ProjectionRowDuplicateField {
-        row_index: usize,
-        field: String,
-    },
-    RowIdentityNotRecord {
-        row_index: usize,
-    },
-    RowIdentityTargetNotRecord {
-        row_index: usize,
-    },
-    RowIdentityTargetReferenceMissing {
-        row_index: usize,
-        target: DeclarationId,
-    },
-    RowIdentityTargetMissingSpec {
-        row_index: usize,
-    },
-    RowIdentityTargetSpecNotReference {
-        row_index: usize,
-    },
-    RowIdentityTargetSpecNotLanguageSpec {
-        row_index: usize,
-        spec: DeclarationId,
-    },
-    DagMethodNotMethodRefRecord {
-        row_index: usize,
-    },
-    MethodRefDeclNotReference {
-        row_index: usize,
-    },
-    CellsNotList {
-        row_index: usize,
-    },
-    CellsEmpty {
-        row_index: usize,
-    },
-    CellNotRecord {
-        row_index: usize,
-        cell_index: usize,
-    },
-    CellUnknownField {
-        row_index: usize,
-        cell_index: usize,
-        field: String,
-    },
-    CellDuplicateField {
-        row_index: usize,
-        cell_index: usize,
-        field: String,
-    },
-    CellMissingField {
-        row_index: usize,
-        cell_index: usize,
-        field: &'static str,
-    },
-    CellAxisNotVariant {
-        row_index: usize,
-        cell_index: usize,
-        field: &'static str,
-    },
-    UnknownFormLabel {
-        row_index: usize,
-        cell_index: usize,
-        label: String,
-    },
-    UnknownBehaviorLabel {
-        row_index: usize,
-        cell_index: usize,
-        label: String,
-    },
-    DuplicateProjectionKey {
-        row_index: usize,
-        target: ShapeATarget,
-        dag_method: DeclarationId,
-    },
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-struct ProjectionKey {
-    target: ShapeATarget,
-    dag_method: DeclarationId,
-}
-
-#[derive(Debug, Clone)]
-struct ProjectionRow {
-    key: ProjectionKey,
-    cells: HashSet<Cell>,
-}
-
-/// Returns the set of L6 cells for which landed per-row projections declare
-/// at least one emission-path template at substrate load time.
-///
-/// Fail-closed: any malformed projection surface, empty projection list, empty
-/// row-local cell list, non-`LanguageSpec` target, or duplicate key contributes
-/// **no** coverage. The walker then reports the cells as typed missing coverage
-/// rather than fabricating a partial answer.
-pub(crate) fn language_spec_emission_cells_covered(dag: &Dag) -> HashSet<Cell> {
-    language_spec_emission_cells_covered_checked(dag).unwrap_or_default()
-}
-
-pub(crate) fn language_spec_targets(dag: &Dag) -> Option<Vec<ShapeATarget>> {
-    let meta = dag.declaration_by_name("ShapeATarget")?.id;
-    let mut targets = dag
-        .declarations()
-        .iter()
-        .filter(|decl| decl.meta_tag == Some(meta))
-        .map(|decl| ShapeATarget::new(decl.id))
-        .collect::<Vec<_>>();
-    targets.sort_by_key(|target| dag.declaration(target.spec).name.clone());
-    (!targets.is_empty()).then_some(targets)
-}
-
-fn language_spec_emission_cells_covered_checked(
-    dag: &Dag,
-) -> Result<HashSet<Cell>, ProjectionCoverageError> {
-    let projection_rows = projection_rows(dag)?;
-    let projection_by_key = projection_rows_by_key(projection_rows)?;
-
-    let mut covered = HashSet::new();
-    for cells in projection_by_key.values() {
-        covered.extend(cells.iter().copied());
-    }
-    Ok(covered)
-}
-
-fn projection_rows(dag: &Dag) -> Result<Vec<ProjectionRow>, ProjectionCoverageError> {
-    let decl = dag
-        .declaration_by_name(EMISSION_PATH_PROJECTIONS)
-        .ok_or(ProjectionCoverageError::ProjectionDeclarationMissing)?;
-    let body = decl
-        .value_body
-        .as_ref()
-        .ok_or(ProjectionCoverageError::ProjectionDeclarationLacksValueBody)?;
-    let ValueBody::List(rows) = body else {
-        return Err(ProjectionCoverageError::ProjectionDeclarationValueBodyNotList);
-    };
-    if rows.is_empty() {
-        return Err(ProjectionCoverageError::ProjectionListEmpty);
-    }
-    rows.iter()
-        .enumerate()
-        .map(|(row_index, row)| projection_row(dag, row_index, row))
-        .collect()
-}
-
-fn projection_rows_by_key(
-    rows: Vec<ProjectionRow>,
-) -> Result<HashMap<ProjectionKey, HashSet<Cell>>, ProjectionCoverageError> {
-    let mut by_key: HashMap<ProjectionKey, HashSet<Cell>> = HashMap::new();
-    for (row_index, row) in rows.into_iter().enumerate() {
-        if by_key.contains_key(&row.key) {
-            return Err(ProjectionCoverageError::DuplicateProjectionKey {
-                row_index,
-                target: row.key.target,
-                dag_method: row.key.dag_method,
-            });
-        }
-        by_key.insert(row.key, row.cells);
-    }
-    Ok(by_key)
-}
-
-fn projection_row(
-    dag: &Dag,
-    row_index: usize,
-    row: &FieldValue,
-) -> Result<ProjectionRow, ProjectionCoverageError> {
-    let FieldValue::Record(fields) = row else {
-        return Err(ProjectionCoverageError::ProjectionRowNotRecord { row_index });
-    };
-    let lookup = field_lookup(row_index, fields, &["row_identity", "cells"])?;
-    let row_identity =
-        lookup
-            .get("row_identity")
-            .ok_or(ProjectionCoverageError::ProjectionRowMissingField {
-                row_index,
-                field: "row_identity",
-            })?;
-    let key = projection_key(dag, row_index, row_identity)?;
-    let cells_value =
-        lookup
-            .get("cells")
-            .ok_or(ProjectionCoverageError::ProjectionRowMissingField {
-                row_index,
-                field: "cells",
-            })?;
-    let cells = projection_cells(dag, row_index, key.target, cells_value)?;
-    Ok(ProjectionRow { key, cells })
-}
-
-fn projection_key(
-    dag: &Dag,
-    row_index: usize,
-    value: &FieldValue,
-) -> Result<ProjectionKey, ProjectionCoverageError> {
-    let FieldValue::Record(fields) = value else {
-        return Err(ProjectionCoverageError::RowIdentityNotRecord { row_index });
-    };
-    let lookup = field_lookup(row_index, fields, &["target", "dag_method"])?;
-    let target_value =
-        lookup
-            .get("target")
-            .ok_or(ProjectionCoverageError::ProjectionRowMissingField {
-                row_index,
-                field: "target",
-            })?;
-    let target = shape_target(dag, row_index, target_value)?;
-    let dag_method_value =
-        lookup
-            .get("dag_method")
-            .ok_or(ProjectionCoverageError::ProjectionRowMissingField {
-                row_index,
-                field: "dag_method",
-            })?;
-    let dag_method = dag_method(row_index, dag_method_value)?;
-    Ok(ProjectionKey { target, dag_method })
-}
-
-fn projection_cells(
-    dag: &Dag,
-    row_index: usize,
-    target: ShapeATarget,
-    value: &FieldValue,
-) -> Result<HashSet<Cell>, ProjectionCoverageError> {
-    let FieldValue::List(cells) = value else {
-        return Err(ProjectionCoverageError::CellsNotList { row_index });
-    };
-    if cells.is_empty() {
-        return Err(ProjectionCoverageError::CellsEmpty { row_index });
-    }
-    cells
-        .iter()
-        .enumerate()
-        .map(|(cell_index, value)| projection_cell(dag, row_index, cell_index, target, value))
-        .collect()
-}
-
-fn projection_cell(
-    dag: &Dag,
-    row_index: usize,
-    cell_index: usize,
-    target: ShapeATarget,
-    value: &FieldValue,
-) -> Result<Cell, ProjectionCoverageError> {
-    let FieldValue::Record(fields) = value else {
-        return Err(ProjectionCoverageError::CellNotRecord {
-            row_index,
-            cell_index,
-        });
-    };
-    let lookup = cell_field_lookup(row_index, cell_index, fields, &["connective", "behavior"])?;
-    let connective_value =
-        lookup
-            .get("connective")
-            .ok_or(ProjectionCoverageError::CellMissingField {
-                row_index,
-                cell_index,
-                field: "connective",
-            })?;
-    let behavior_value =
-        lookup
-            .get("behavior")
-            .ok_or(ProjectionCoverageError::CellMissingField {
-                row_index,
-                cell_index,
-                field: "behavior",
-            })?;
-    Ok(Cell {
-        connective: form_axis(dag, row_index, cell_index, connective_value)?,
-        behavior: behavior_axis(dag, row_index, cell_index, behavior_value)?,
-        target,
-    })
-}
-
-fn dag_method(
-    row_index: usize,
-    value: &FieldValue,
-) -> Result<DeclarationId, ProjectionCoverageError> {
-    let FieldValue::Record(fields) = value else {
-        return Err(ProjectionCoverageError::DagMethodNotMethodRefRecord { row_index });
-    };
-    let lookup = field_lookup(row_index, fields, &["decl"])?;
-    let decl = lookup
-        .get("decl")
-        .ok_or(ProjectionCoverageError::ProjectionRowMissingField {
-            row_index,
-            field: "decl",
-        })?;
-    let FieldValue::Reference(decl_id) = decl else {
-        return Err(ProjectionCoverageError::MethodRefDeclNotReference { row_index });
-    };
-    Ok(*decl_id)
-}
-
-fn shape_target(
-    dag: &Dag,
-    row_index: usize,
-    value: &FieldValue,
-) -> Result<ShapeATarget, ProjectionCoverageError> {
-    let value = match value {
-        FieldValue::Reference(target) => {
-            if is_shape_a_target(dag, *target) {
-                return Ok(ShapeATarget::new(*target));
-            }
-            let declaration = dag
-                .declarations()
-                .iter()
-                .find(|decl| decl.id == *target)
-                .ok_or(ProjectionCoverageError::RowIdentityTargetReferenceMissing {
-                    row_index,
-                    target: *target,
-                })?;
-            declaration
-                .value_body
-                .as_ref()
-                .ok_or(ProjectionCoverageError::RowIdentityTargetNotRecord { row_index })
-                .and_then(|body| {
-                    if let ValueBody::Structural { fields } = body {
-                        Ok(FieldValue::Record(fields.clone()))
-                    } else {
-                        Err(ProjectionCoverageError::RowIdentityTargetNotRecord { row_index })
-                    }
-                })?
-        }
-        other => other.clone(),
-    };
-    let FieldValue::Record(fields) = value else {
-        return Err(ProjectionCoverageError::RowIdentityTargetNotRecord { row_index });
-    };
-    let lookup = field_lookup(row_index, &fields, &["spec"])?;
-    let spec = lookup
-        .get("spec")
-        .ok_or(ProjectionCoverageError::RowIdentityTargetMissingSpec { row_index })?;
-    let FieldValue::Reference(spec) = spec else {
-        return Err(ProjectionCoverageError::RowIdentityTargetSpecNotReference { row_index });
-    };
-    if !is_language_spec(dag, *spec) {
-        return Err(
-            ProjectionCoverageError::RowIdentityTargetSpecNotLanguageSpec {
-                row_index,
-                spec: *spec,
-            },
-        );
-    }
-    Ok(ShapeATarget::new(*spec))
-}
-
-fn is_shape_a_target(dag: &Dag, declaration: DeclarationId) -> bool {
-    dag.declaration_by_name("ShapeATarget")
-        .map(|meta| dag.declaration(declaration).meta_tag == Some(meta.id))
-        .unwrap_or(false)
-}
-
-fn is_language_spec(dag: &Dag, declaration: DeclarationId) -> bool {
-    dag.declaration_by_name("LanguageSpec")
-        .map(|meta| dag.declaration(declaration).meta_tag == Some(meta.id))
-        .unwrap_or(false)
-}
-
-fn form_axis(
-    dag: &Dag,
-    row_index: usize,
-    cell_index: usize,
-    value: &FieldValue,
-) -> Result<FormAxis, ProjectionCoverageError> {
-    let label = variant_label(dag, "FormAxis", value).ok_or(
-        ProjectionCoverageError::CellAxisNotVariant {
-            row_index,
-            cell_index,
-            field: "connective",
-        },
-    )?;
-    match label {
-        "Atom" => Ok(FormAxis::Atom),
-        "Conj" => Ok(FormAxis::Conj),
-        "Disj" => Ok(FormAxis::Disj),
-        "Arrow" => Ok(FormAxis::Arrow),
-        "Cardinality" => Ok(FormAxis::Cardinality),
-        "Instantiation" => Ok(FormAxis::Instantiation),
-        other => Err(ProjectionCoverageError::UnknownFormLabel {
-            row_index,
-            cell_index,
-            label: other.to_string(),
-        }),
-    }
-}
-
-fn behavior_axis(
-    dag: &Dag,
-    row_index: usize,
-    cell_index: usize,
-    value: &FieldValue,
-) -> Result<BehaviorAxis, ProjectionCoverageError> {
-    let label = variant_label(dag, "BehaviorAxis", value).ok_or(
-        ProjectionCoverageError::CellAxisNotVariant {
-            row_index,
-            cell_index,
-            field: "behavior",
-        },
-    )?;
-    match label {
-        "Value" => Ok(BehaviorAxis::Value),
-        "Transform" => Ok(BehaviorAxis::Transform),
-        "Branch" => Ok(BehaviorAxis::Branch),
-        "Loop" => Ok(BehaviorAxis::Loop),
-        "Bind" => Ok(BehaviorAxis::Bind),
-        other => Err(ProjectionCoverageError::UnknownBehaviorLabel {
-            row_index,
-            cell_index,
-            label: other.to_string(),
-        }),
-    }
-}
-
-fn variant_label<'a>(dag: &'a Dag, axis_name: &str, value: &FieldValue) -> Option<&'a str> {
-    let FieldValue::Variant { constructor, .. } = value else {
-        return None;
-    };
-    let axis = dag.declaration_by_name(axis_name)?;
-    let TypeConnective::Disj { variants } = &axis.connective else {
-        return None;
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == *constructor)
-        .map(|variant| variant.label.as_str())
-}
-
-fn field_lookup<'a>(
-    row_index: usize,
-    fields: &'a [(String, FieldValue)],
-    expected: &[&'static str],
-) -> Result<HashMap<&'static str, &'a FieldValue>, ProjectionCoverageError> {
-    let mut lookup = HashMap::new();
-    let mut seen = HashSet::new();
-    for (label, value) in fields {
-        let Some(field) = expected.iter().copied().find(|field| field == label) else {
-            return Err(ProjectionCoverageError::ProjectionRowUnknownField {
-                row_index,
-                field: label.clone(),
-            });
-        };
-        if !seen.insert(field) {
-            return Err(ProjectionCoverageError::ProjectionRowDuplicateField {
-                row_index,
-                field: label.clone(),
-            });
-        }
-        lookup.insert(field, value);
-    }
-    Ok(lookup)
-}
-
-fn cell_field_lookup<'a>(
-    row_index: usize,
-    cell_index: usize,
-    fields: &'a [(String, FieldValue)],
-    expected: &[&'static str],
-) -> Result<HashMap<&'static str, &'a FieldValue>, ProjectionCoverageError> {
-    let mut lookup = HashMap::new();
-    let mut seen = HashSet::new();
-    for (label, value) in fields {
-        let Some(field) = expected.iter().copied().find(|field| field == label) else {
-            return Err(ProjectionCoverageError::CellUnknownField {
-                row_index,
-                cell_index,
-                field: label.clone(),
-            });
-        };
-        if !seen.insert(field) {
-            return Err(ProjectionCoverageError::CellDuplicateField {
-                row_index,
-                cell_index,
-                field: label.clone(),
-            });
-        }
-        lookup.insert(field, value);
-    }
-    Ok(lookup)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use v3_compiler::generated_full_bootstrap_dag;
-
-    fn shape_target(dag: &Dag, name: &str) -> ShapeATarget {
-        ShapeATarget::new(
-            dag.declaration_by_name(name)
-                .unwrap_or_else(|| panic!("{name}"))
-                .id,
-        )
-    }
-
-    fn bootstrap_key_pair() -> (ProjectionKey, ProjectionKey) {
-        let dag = generated_full_bootstrap_dag();
-        let rust_target = shape_target(&dag, "rust_shape_a_target");
-        let python_target = shape_target(&dag, "python_shape_a_target");
-        let rows = projection_rows(&dag).expect("bootstrap projection rows");
-        let rust_count = rows
-            .iter()
-            .map(|row| row.key)
-            .find(|key| key.target == rust_target)
-            .expect("rust projection key");
-        let python_count = rows
-            .iter()
-            .map(|row| row.key)
-            .find(|key| key.target == python_target)
-            .expect("python projection key");
-        (rust_count, python_count)
-    }
-
-    #[test]
-    fn per_row_projection_union_keeps_mixed_cells_row_local() {
-        let (rust_key, python_key) = bootstrap_key_pair();
-        let rust_cell = Cell {
-            connective: FormAxis::Cardinality,
-            behavior: BehaviorAxis::Transform,
-            target: rust_key.target,
-        };
-        let python_cell = Cell {
-            connective: FormAxis::Arrow,
-            behavior: BehaviorAxis::Branch,
-            target: python_key.target,
-        };
-        let rows = vec![
-            ProjectionRow {
-                key: rust_key,
-                cells: [rust_cell].into_iter().collect(),
-            },
-            ProjectionRow {
-                key: python_key,
-                cells: [python_cell].into_iter().collect(),
-            },
-        ];
-
-        let by_key = projection_rows_by_key(rows).expect("mixed rows index");
-
-        assert_eq!(
-            by_key.get(&rust_key).expect("rust row"),
-            &HashSet::from([rust_cell])
-        );
-        assert_eq!(
-            by_key.get(&python_key).expect("python row"),
-            &HashSet::from([python_cell])
-        );
-    }
-
-    #[test]
-    fn projection_rows_fail_closed_for_duplicate_key_even_with_identical_cells() {
-        let (rust_key, _) = bootstrap_key_pair();
-        let cell = Cell {
-            connective: FormAxis::Cardinality,
-            behavior: BehaviorAxis::Transform,
-            target: rust_key.target,
-        };
-        let rows = vec![
-            ProjectionRow {
-                key: rust_key,
-                cells: [cell].into_iter().collect(),
-            },
-            ProjectionRow {
-                key: rust_key,
-                cells: [cell].into_iter().collect(),
-            },
-        ];
-
-        assert!(matches!(
-            projection_rows_by_key(rows),
-            Err(ProjectionCoverageError::DuplicateProjectionKey { row_index: 1, .. })
-        ));
-    }
-
-    #[test]
-    fn projection_rows_fail_closed_for_duplicate_key_conflicting_cells() {
-        let (rust_key, _) = bootstrap_key_pair();
-        let rows = vec![
-            ProjectionRow {
-                key: rust_key,
-                cells: [Cell {
-                    connective: FormAxis::Cardinality,
-                    behavior: BehaviorAxis::Transform,
-                    target: rust_key.target,
-                }]
-                .into_iter()
-                .collect(),
-            },
-            ProjectionRow {
-                key: rust_key,
-                cells: [Cell {
-                    connective: FormAxis::Arrow,
-                    behavior: BehaviorAxis::Branch,
-                    target: rust_key.target,
-                }]
-                .into_iter()
-                .collect(),
-            },
-        ];
-
-        assert!(matches!(
-            projection_rows_by_key(rows),
-            Err(ProjectionCoverageError::DuplicateProjectionKey { row_index: 1, .. })
-        ));
-    }
-
-    #[test]
-    fn projection_row_parser_fails_closed_for_malformed_and_empty_cells() {
-        let dag = generated_full_bootstrap_dag();
-        let malformed = FieldValue::Record(vec![]);
-        assert!(matches!(
-            projection_row(&dag, 0, &malformed),
-            Err(ProjectionCoverageError::ProjectionRowMissingField {
-                row_index: 0,
-                field: "row_identity"
-            })
-        ));
-
-        let target = shape_target(&dag, "rust_shape_a_target");
-        let empty_cells = FieldValue::List(vec![]);
-        assert!(matches!(
-            projection_cells(&dag, 0, target, &empty_cells),
-            Err(ProjectionCoverageError::CellsEmpty { row_index: 0 })
-        ));
-    }
-}
diff --git a/src/v3/grounding_cross_target_meta/src/diagnostic.rs b/src/v3/grounding_cross_target_meta/src/diagnostic.rs
deleted file mode 100644
index 7ec71c697be..00000000000
--- a/src/v3/grounding_cross_target_meta/src/diagnostic.rs
+++ /dev/null
@@ -1,42 +0,0 @@
-//! Lane-local Rust mirror of the substrate `EmissionDiagnostic` carrier.
-//!
-//! Substrate authority **LANDED** at `src/v3/std/diagnostics.dag`
-//! (T-Ground-Diagnostic; #1216 brief + #1133 dispatch 4355793511). The
-//! substrate carrier declares `MissingEmissionPath { connective, behavior, target }`
-//! among its variants. This Rust mirror persists because
-//! `v3-grounding-cross-target-meta` cannot consume reflected substrate
-//! types today (no `.dag` → Rust enum codegen path); when reflection-
-//! driven generation lands, the mirror retires.
-//!
-//! **Lockstep discipline:** any new variant added to substrate
-//! `EmissionDiagnostic` MUST land here (or in the analogous mirror in
-//! the consuming crate) as a parallel Rust mirror update.
-
-use crate::cells::{BehaviorAxis, Cell, FormAxis, ShapeATarget};
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum EmissionDiagnostic {
-    /// L6 cross-product cell has no LanguageSpec emission-path
-    /// declaration. This is the structural authority for
-    /// "the substrate is missing a target-mapping for this
-    /// (form × behavior × target) triple." Per
-    /// `docs/design-emission-model.md:408-410` and the
-    /// CrossTarget-Meta brief: missing entries surface as typed
-    /// diagnostics, not silent passes.
-    MissingEmissionPath {
-        connective: FormAxis,
-        behavior: BehaviorAxis,
-        target: ShapeATarget,
-    },
-}
-
-impl EmissionDiagnostic {
-    /// Construct a `MissingEmissionPath` diagnostic from a `Cell`.
-    pub fn missing_emission_path(cell: &Cell) -> EmissionDiagnostic {
-        EmissionDiagnostic::MissingEmissionPath {
-            connective: cell.connective,
-            behavior: cell.behavior,
-            target: cell.target,
-        }
-    }
-}
diff --git a/src/v3/grounding_cross_target_meta/src/lib.rs b/src/v3/grounding_cross_target_meta/src/lib.rs
deleted file mode 100644
index e26d72cef56..00000000000
--- a/src/v3/grounding_cross_target_meta/src/lib.rs
+++ /dev/null
@@ -1,178 +0,0 @@
-//! T-Ground-CrossTarget-Meta — **L6 cross-product walker scaffold** (R2
-//! closure-pre-pass per manager dispatch #1133 inbox 4353412409).
-//!
-//! Per the lane brief at [`docs/briefs/t-ground-cross-target-meta.md`](../../../docs/briefs/t-ground-cross-target-meta.md)
-//! (#1224 + L6 form-axis anchor #1229), this lane owns the
-//! **substrate-load-time cross-product completeness check** that walks
-//! `(TypeConnective × Behavior × Shape A target)` cells and verifies
-//! each pair has a LanguageSpec emission-path declaration.
-//!
-//! ## Cross-product axes
-//!
-//! - **Form axis** — six [`v3_compiler::dag::TypeConnective`] variants
-//!   per `src/v3/std/substrate.dag:164` (`Atom`, `Conj`, `Disj`,
-//!   `Arrow`, `Cardinality`, `Instantiation`). The form axis is the
-//!   substrate single-authority for "which kind of declaration shape is
-//!   this?" — anchored by #1229.
-//! - **Behavior axis** — five [`v3_compiler::dag::Behavior`] variants
-//!   per L1 model (`Value`, `Transform`, `Branch`, `Loop`, `Bind`).
-//! - **Target axis** — loaded `LanguageSpec` declarations. The current
-//!   bootstrap corpus contains Rust, Python, and Go.
-//!
-//! Total: `6 × 5 × |LanguageSpec targets|` cells (90 for today's
-//! three-target bootstrap corpus). Today's LanguageSpec has intentional
-//! gaps named in deferral receipts elsewhere in the program (Rust
-//! higher-order Phase 1.5; Go `chars` tokenizer; per-input fields
-//! parser-grammar; etc.); the walker reports those as
-//! [`EmissionDiagnostic::MissingEmissionPath`] without panicking — the
-//! gaps are tracked, not unexpected failures.
-//!
-//! ## Not a `Lens<C>` instance
-//!
-//! Per the brief (and `docs/design-emission-model.md:958-959` /
-//! `:1107-1111`), L6 lives at the substrate-load boundary as a
-//! **runtime check**, not as a `Lens<C>` instance. The lens framework's
-//! `Lens<C>.read: (Dag, Behavior) → Witness<C>` reads PER-Behavior
-//! substrate facts; L6's input space is the (form × target) cross
-//! product, which doesn't fit. So this crate produces typed diagnostics
-//! directly without going through the lens machinery.
-//!
-//! ## SG-0 / discipline
-//!
-//! - **No** edits under [`src/v3/compiler/`](../../compiler) — consume
-//!   `v3-compiler` APIs only.
-//! - Lane-local [`EmissionDiagnostic`] mirrors the
-//!   `T-Ground-Coercion-Fold` / `T-Ground-Lifetime-Analyzer` /
-//!   `T-Ground-Diagnostic` pattern (#1216 convergence target —
-//!   substrate carrier replaces this lane-local enum once it lands).
-//! - **PR-J cadence-confirmation** is the formal acceptance gate per
-//!   `r2-grounding-manager.md:128` (`cross_target_meta_l6_load_completeness_landed`).
-//!   This scaffold lands the walker; PR-J handles cadence-confirmation
-//!   as a separate substantive merge.
-//!
-//! ## Status
-//!
-//! **R2 closure-pre-pass — real coverage fold.** The walker enumerates
-//! 30 cells per loaded target and resolves each against landed
-//! `EmissionPathProjection` rows (`src/v3/std/cross_target_coverage.dag`).
-//! At HEAD, Phase 1 projection rows cover **Cardinality × Transform ×
-//! Shape A target** for each target with populated row-local projection
-//! facts (see `coverage` module audit); all other cells report
-//! [`EmissionDiagnostic::MissingEmissionPath`] as honest structural gaps
-//! until additional LanguageSpec tables land.
-
-use v3_compiler::dag::Dag;
-
-mod cells;
-#[cfg(test)]
-mod closure_ledger_gate;
-mod coverage;
-mod diagnostic;
-mod walker;
-
-pub use cells::{BehaviorAxis, Cell, FormAxis, ShapeATarget};
-pub use diagnostic::EmissionDiagnostic;
-pub use walker::{walk_cross_product, CrossProductReport};
-
-/// Public entry: walk the (TypeConnective × Behavior × Shape A target)
-/// cross product against the bootstrap Dag's LanguageSpec coverage and
-/// produce a [`CrossProductReport`] enumerating present / missing cells.
-///
-/// Pure function over the Dag; no mutation, no side effects.
-pub fn check_l6_load_completeness(dag: &Dag) -> CrossProductReport {
-    walk_cross_product(dag)
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use v3_compiler::generated_full_bootstrap_dag;
-
-    fn shape_target(dag: &v3_compiler::dag::Dag, name: &str) -> ShapeATarget {
-        ShapeATarget::new(
-            dag.declaration_by_name(name)
-                .unwrap_or_else(|| panic!("{name}"))
-                .id,
-        )
-    }
-
-    /// Expected L6 coverage at HEAD from the `EmissionPathProjection`
-    /// authority table: the populated Phase 1 projection rows map to the
-    /// single structural bucket **Cardinality × Transform × &lt;target&gt;**
-    /// for each Shape A target.
-    const EXPECTED_PRESENT_COUNT: usize = 3;
-    const EXPECTED_MISSING_COUNT: usize = 90 - EXPECTED_PRESENT_COUNT;
-
-    #[test]
-    fn cross_product_walks_90_cells() {
-        let dag = generated_full_bootstrap_dag();
-        let report = check_l6_load_completeness(&dag);
-        assert_eq!(
-            report.total_cells(),
-            90,
-            "cross product must cover 6 connectives × 5 behaviors × 3 targets = 90 cells; got {}",
-            report.total_cells()
-        );
-    }
-
-    #[test]
-    fn coverage_matches_audit_table() {
-        let dag = generated_full_bootstrap_dag();
-        let report = check_l6_load_completeness(&dag);
-        assert_eq!(
-            report.present.len(),
-            EXPECTED_PRESENT_COUNT,
-            "present cells must match audit table (Cardinality×Transform×each target \
-             when that target has populated EmissionPathProjection rows)"
-        );
-        assert_eq!(report.missing.len(), EXPECTED_MISSING_COUNT);
-        let expected_present = [
-            Cell {
-                connective: FormAxis::Cardinality,
-                behavior: BehaviorAxis::Transform,
-                target: shape_target(&dag, "rust_shape_a_target"),
-            },
-            Cell {
-                connective: FormAxis::Cardinality,
-                behavior: BehaviorAxis::Transform,
-                target: shape_target(&dag, "python_shape_a_target"),
-            },
-            Cell {
-                connective: FormAxis::Cardinality,
-                behavior: BehaviorAxis::Transform,
-                target: shape_target(&dag, "go_shape_a_target"),
-            },
-        ];
-        for cell in expected_present {
-            assert!(
-                report.present.contains(&cell),
-                "expected {:?} present per landed row audit",
-                cell
-            );
-        }
-    }
-
-    #[test]
-    fn every_missing_cell_has_typed_diagnostic() {
-        let dag = generated_full_bootstrap_dag();
-        let report = check_l6_load_completeness(&dag);
-        for (cell, diag) in &report.missing {
-            // Each missing entry IS a typed diagnostic (per C-8 fail-closed
-            // discipline + #1216 EmissionDiagnostic convergence pattern).
-            // The walker pairs every missing cell with its
-            // `MissingEmissionPath { connective, behavior, target }` diagnostic
-            // carrying all three axis values for the closure ledger to consume.
-            match diag {
-                EmissionDiagnostic::MissingEmissionPath {
-                    connective,
-                    behavior,
-                    target,
-                } => {
-                    assert_eq!(*connective, cell.connective);
-                    assert_eq!(*behavior, cell.behavior);
-                    assert_eq!(*target, cell.target);
-                }
-            }
-        }
-    }
-}
diff --git a/src/v3/grounding_cross_target_meta/src/walker.rs b/src/v3/grounding_cross_target_meta/src/walker.rs
deleted file mode 100644
index 440e074bf7e..00000000000
--- a/src/v3/grounding_cross_target_meta/src/walker.rs
+++ /dev/null
@@ -1,116 +0,0 @@
-//! L6 cross-product walker. Pure function over the bootstrap [`Dag`];
-//! reports per-cell coverage against landed `EmissionPathProjection`
-//! row authorities (see [`crate::coverage`]).
-//!
-//! ## Coverage lookup
-//!
-//! Coverage is derived from substrate-loaded
-//! `List<EmissionPathProjection>` declarations per Shape A target.
-//! [`walk_cross_product`] builds the covered-cell set via
-//! [`crate::coverage::language_spec_emission_cells_covered`], then
-//! partitions [`crate::cells::Cell::all`] with `covered.contains(&cell)`.
-
-use std::collections::HashSet;
-
-use v3_compiler::dag::Dag;
-
-use crate::cells::{Cell, ShapeATarget};
-use crate::coverage::{language_spec_emission_cells_covered, language_spec_targets};
-use crate::diagnostic::EmissionDiagnostic;
-
-/// Per-cell coverage report produced by the L6 walker.
-///
-/// `present` lists cells where the LanguageSpec declares an emission
-/// path (covered). `missing` lists cells where no declaration exists,
-/// each accompanied by a typed `EmissionDiagnostic`.
-#[derive(Debug, Clone)]
-pub struct CrossProductReport {
-    pub present: Vec<Cell>,
-    pub missing: Vec<(Cell, EmissionDiagnostic)>,
-}
-
-impl CrossProductReport {
-    /// Total cells walked.
-    pub fn total_cells(&self) -> usize {
-        self.present.len() + self.missing.len()
-    }
-}
-
-/// Walk every (form × behavior × target) cell and resolve coverage
-/// against the bootstrap Dag's LanguageSpec.
-///
-/// **Pure function** — no mutation, no side effects, no panics.
-pub fn walk_cross_product(dag: &Dag) -> CrossProductReport {
-    let covered = language_spec_emission_cells_covered(dag);
-    let targets = language_spec_targets(dag).unwrap_or_else(|| fallback_targets(dag, &covered));
-    let mut present = Vec::new();
-    let mut missing = Vec::new();
-    for cell in Cell::all(&targets) {
-        if covered.contains(&cell) {
-            present.push(cell);
-        } else {
-            missing.push((cell, EmissionDiagnostic::missing_emission_path(&cell)));
-        }
-    }
-    CrossProductReport { present, missing }
-}
-
-fn fallback_targets(dag: &Dag, covered: &HashSet<Cell>) -> Vec<ShapeATarget> {
-    // Defense-in-depth for malformed bootstrap metadata; steady-state target
-    // discovery stays data-driven through `language_spec_targets`. Keep this
-    // degraded path in the same ShapeATarget declaration-id space as
-    // projection rows.
-    let mut targets = [
-        dag.declaration_by_name("rust_shape_a_target")
-            .map(|decl| decl.id),
-        dag.declaration_by_name("python_shape_a_target")
-            .map(|decl| decl.id),
-        dag.declaration_by_name("go_shape_a_target")
-            .map(|decl| decl.id),
-    ]
-    .into_iter()
-    .flatten()
-    .map(ShapeATarget::new)
-    .collect::<Vec<_>>();
-
-    for cell in covered {
-        if !targets.contains(&cell.target) {
-            targets.push(cell.target);
-        }
-    }
-
-    targets
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-    use v3_compiler::generated_full_bootstrap_dag;
-
-    #[test]
-    fn fallback_targets_keep_bootstrap_axis_when_coverage_is_empty() {
-        let dag = generated_full_bootstrap_dag();
-        let targets = fallback_targets(&dag, &HashSet::new());
-
-        assert_eq!(
-            targets,
-            vec![
-                ShapeATarget::new(
-                    dag.declaration_by_name("rust_shape_a_target")
-                        .expect("rust ShapeATarget")
-                        .id
-                ),
-                ShapeATarget::new(
-                    dag.declaration_by_name("python_shape_a_target")
-                        .expect("python ShapeATarget")
-                        .id
-                ),
-                ShapeATarget::new(
-                    dag.declaration_by_name("go_shape_a_target")
-                        .expect("go ShapeATarget")
-                        .id
-                ),
-            ]
-        );
-    }
-}
diff --git a/src/v3/grounding_engine/Cargo.toml b/src/v3/grounding_engine/Cargo.toml
deleted file mode 100644
index 642516a62ca..00000000000
--- a/src/v3/grounding_engine/Cargo.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-[package]
-name = "v3-grounding-engine"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-publish = false
-
-# T-Ground-Engine: Phase 1 type-structure validation + Phase 2 enumeration of
-# `rust_grounding_primitives` list bodies via v3-compiler's Dag accessor.
-
-[dependencies]
-v3-compiler = { path = "../compiler" }
-v3-grounding-inhabitance-mirror = { path = "../grounding_inhabitance_mirror" }
diff --git a/src/v3/grounding_engine/src/lib.rs b/src/v3/grounding_engine/src/lib.rs
deleted file mode 100644
index 813e4574183..00000000000
--- a/src/v3/grounding_engine/src/lib.rs
+++ /dev/null
@@ -1,1029 +0,0 @@
-//! T-Ground-Engine: Rust target primitive validation against the bootstrap Dag.
-//!
-//! **Phase 1** walks the loaded `Declaration` graph for `RustPrimitive`
-//! type structure (sum partition, field shapes, nested tag enums).
-//!
-//! **Phase 2 (sharpened-(b), enumeration slice)** walks
-//! `rust_grounding_primitives.value_body` as [`ValueBody::List`] and checks that
-//! each grounding row matches the authority ordering in
-//! `dsl/extdeps/languages/rust/primitives.dag` (asserted here via the inhabitance
-//! mirror crate's `RUST_INHABITANCE_MIRROR` until mirror retirement completes).
-//!
-//! **Target-name multiset (R3 / gunbc#2461):** the sorted multiset of
-//! `target_name` strings in the lowered grounding list must match the multiset
-//! from `RUST_INHABITANCE_MIRROR` (`validate_rust_grounding_primitives_target_name_multiset_matches_mirror`),
-//! wired into [`validate_mirror_consistency`].
-
-use std::collections::{BTreeMap, BTreeSet};
-
-use v3_compiler::dag::{
-    Dag, Declaration, DeclarationId, Field, FieldValue, LiteralBits, TypeConnective, ValueBody,
-};
-use v3_grounding_inhabitance_mirror::{
-    target_name as mirror_target_name, IntegerAlgebra as MirrorIntegerAlgebra,
-    IntegerOverflow as MirrorIntegerOverflow, NonIntegerAlgebra as MirrorNonIntegerAlgebra,
-    RustPrimitive as MirrorRustPrimitive, TargetCarrier as MirrorTargetCarrier,
-    RUST_INHABITANCE_MIRROR,
-};
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct StructureMismatch {
-    pub location: String,
-    pub expected: String,
-    pub actual: String,
-}
-
-pub type StructureResult<T> = Result<T, StructureMismatch>;
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct EnumShape {
-    pub name: String,
-    pub variants: Vec<String>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct VariantShape {
-    pub name: String,
-    pub fields: Vec<FieldShape>,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct FieldShape {
-    pub name: String,
-    pub ty: String,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct RustPrimitiveTypeShape {
-    pub variants: Vec<VariantShape>,
-    pub integer_algebra: EnumShape,
-    pub non_integer_algebra: EnumShape,
-    pub target_carrier: EnumShape,
-    pub integer_overflow: EnumShape,
-}
-
-pub fn validate_loaded_rust_primitive_type_structure() -> StructureResult<RustPrimitiveTypeShape> {
-    let dag = Dag::new();
-    let root = dag
-        .rust_grounding_primitives()
-        .ok_or_else(|| StructureMismatch {
-            location: "Dag::rust_grounding_primitives".to_string(),
-            expected: "loaded rust_grounding_primitives declaration".to_string(),
-            actual: "missing".to_string(),
-        })?;
-    validate_rust_primitive_type_structure(&dag, root)
-}
-
-pub fn validate_rust_primitive_type_structure(
-    dag: &Dag,
-    grounding_list_decl: &Declaration,
-) -> StructureResult<RustPrimitiveTypeShape> {
-    let rust_primitive_id = rust_primitive_element_id(grounding_list_decl)?;
-    let rust_primitive = dag.declaration(rust_primitive_id);
-    expect_named_decl(
-        rust_primitive,
-        "RustPrimitive",
-        "rust_grounding_primitives element",
-    )?;
-
-    let variant_fields = expect_disj_variants(
-        rust_primitive,
-        "RustPrimitive",
-        &["IntegerPrimitive", "NonIntegerPrimitive"],
-    )?;
-
-    let integer_variant = variant_decl(dag, &variant_fields, "IntegerPrimitive")?;
-    let non_integer_variant = variant_decl(dag, &variant_fields, "NonIntegerPrimitive")?;
-
-    let integer = expect_variant_shape(
-        dag,
-        "RustPrimitive.IntegerPrimitive",
-        integer_variant,
-        &[
-            ("target_name", "String"),
-            ("algebra", "IntegerAlgebra"),
-            ("carrier", "TargetCarrier"),
-            ("range_min_inclusive", "String"),
-            ("range_max_inclusive", "String"),
-            ("is_copy", "Bool"),
-            ("overflow", "IntegerOverflow"),
-        ],
-    )?;
-    let non_integer = expect_variant_shape(
-        dag,
-        "RustPrimitive.NonIntegerPrimitive",
-        non_integer_variant,
-        &[
-            ("target_name", "String"),
-            ("algebra", "NonIntegerAlgebra"),
-            ("carrier", "TargetCarrier"),
-            ("is_copy", "Bool"),
-        ],
-    )?;
-
-    require_field_absent(&non_integer, "overflow")?;
-
-    let integer_algebra = expect_enum_shape(
-        dag,
-        "IntegerAlgebra",
-        &["OrderedRingAlgebra", "SemiringAlgebra"],
-    )?;
-    let non_integer_algebra = expect_enum_shape(
-        dag,
-        "NonIntegerAlgebra",
-        &[
-            "ApproximateFieldAlgebra",
-            "BooleanAlgebraAlgebra",
-            "TerminalAlgebra",
-        ],
-    )?;
-    let target_carrier = expect_enum_shape(
-        dag,
-        "TargetCarrier",
-        &[
-            "BitCarrier",
-            "ByteCarrier",
-            "Word16Carrier",
-            "Word32Carrier",
-            "Word64Carrier",
-            "Word128Carrier",
-            "TerminalCarrier",
-        ],
-    )?;
-    let integer_overflow = expect_enum_shape(
-        dag,
-        "IntegerOverflow",
-        &["TwoComplementWrap", "Saturating", "Trap"],
-    )?;
-
-    Ok(RustPrimitiveTypeShape {
-        variants: vec![integer, non_integer],
-        integer_algebra,
-        non_integer_algebra,
-        target_carrier,
-        integer_overflow,
-    })
-}
-
-pub fn validate_mirror_consistency() -> StructureResult<()> {
-    let shape = validate_loaded_rust_primitive_type_structure()?;
-    if shape != expected_mirror_shape() {
-        return Err(StructureMismatch {
-            location: "RUST_INHABITANCE_MIRROR implicit shape".to_string(),
-            expected: format!("{:?}", expected_mirror_shape()),
-            actual: format!("{shape:?}"),
-        });
-    }
-    validate_mirror_values_with_shape(&shape)?;
-    validate_rust_grounding_primitives_target_name_multiset_matches_mirror()?;
-    validate_rust_grounding_rows_match_mirror()
-}
-
-/// Cementing receipt (R3 / gunbc#2461): every `target_name` in the lowered
-/// `rust_grounding_primitives` list matches the multiset carried by
-/// `RUST_INHABITANCE_MIRROR`, with substrate (`.dag`) as authority - fail-closed
-/// if either side introduces or drops a name the other lacks.
-pub fn validate_rust_grounding_primitives_target_name_multiset_matches_mirror(
-) -> StructureResult<()> {
-    let dag = Dag::new();
-    let grounding_list = dag
-        .rust_grounding_primitives()
-        .ok_or_else(|| StructureMismatch {
-            location: "Dag::rust_grounding_primitives".to_string(),
-            expected: "loaded rust_grounding_primitives declaration".to_string(),
-            actual: "missing".to_string(),
-        })?;
-    let body = grounding_list
-        .value_body
-        .as_ref()
-        .ok_or_else(|| StructureMismatch {
-            location: "rust_grounding_primitives.value_body".to_string(),
-            expected: "data body present".to_string(),
-            actual: "None".to_string(),
-        })?;
-    let ValueBody::List(elements) = body else {
-        return Err(StructureMismatch {
-            location: "rust_grounding_primitives.value_body".to_string(),
-            expected: "ValueBody::List".to_string(),
-            actual: value_body_kind(body),
-        });
-    };
-
-    let mut from_dag: Vec<String> = Vec::with_capacity(elements.len());
-    for (idx, element) in elements.iter().enumerate() {
-        let ctx = format!("rust_grounding_primitives[{idx}]");
-        let FieldValue::Variant { payload, .. } = element else {
-            return Err(StructureMismatch {
-                location: ctx.clone(),
-                expected: "FieldValue::Variant".to_string(),
-                actual: field_value_kind(element),
-            });
-        };
-        let name = expect_literal_string_at(payload, 0, &ctx)?;
-        from_dag.push(name);
-    }
-
-    let mut from_mirror: Vec<String> = RUST_INHABITANCE_MIRROR
-        .iter()
-        .map(|p| mirror_target_name(p).to_string())
-        .collect();
-
-    from_dag.sort();
-    from_mirror.sort();
-    if from_dag != from_mirror {
-        return Err(StructureMismatch {
-            location: "rust_grounding_primitives.target_name multiset".to_string(),
-            expected: format!("{from_mirror:?}"),
-            actual: format!("{from_dag:?}"),
-        });
-    }
-    Ok(())
-}
-
-/// Phase 2: every lowered `rust_grounding_primitives` list element must match the
-/// mirror row at the same position (authority ordering in `primitives.dag`).
-pub fn validate_rust_grounding_rows_match_mirror() -> StructureResult<()> {
-    let dag = Dag::new();
-    let grounding_list = dag
-        .rust_grounding_primitives()
-        .ok_or_else(|| StructureMismatch {
-            location: "Dag::rust_grounding_primitives".to_string(),
-            expected: "loaded rust_grounding_primitives declaration".to_string(),
-            actual: "missing".to_string(),
-        })?;
-
-    let rust_primitive_id = rust_primitive_element_id(grounding_list)?;
-    let rust_primitive = dag.declaration(rust_primitive_id);
-    let disj_variants = expect_disj_variants(
-        rust_primitive,
-        "RustPrimitive",
-        &["IntegerPrimitive", "NonIntegerPrimitive"],
-    )?;
-
-    let body = grounding_list
-        .value_body
-        .as_ref()
-        .ok_or_else(|| StructureMismatch {
-            location: "rust_grounding_primitives.value_body".to_string(),
-            expected: "data body present".to_string(),
-            actual: "None".to_string(),
-        })?;
-    let ValueBody::List(elements) = body else {
-        return Err(StructureMismatch {
-            location: "rust_grounding_primitives.value_body".to_string(),
-            expected: "ValueBody::List".to_string(),
-            actual: value_body_kind(body),
-        });
-    };
-    if elements.len() != RUST_INHABITANCE_MIRROR.len() {
-        return Err(StructureMismatch {
-            location: "rust_grounding_primitives.value_body".to_string(),
-            expected: format!("{} mirror rows", RUST_INHABITANCE_MIRROR.len()),
-            actual: format!("{} loaded rows", elements.len()),
-        });
-    }
-
-    for (idx, (element, mirror)) in elements.iter().zip(RUST_INHABITANCE_MIRROR).enumerate() {
-        assert_rust_grounding_row_matches_mirror(&dag, &disj_variants, idx, element, mirror)?;
-    }
-    Ok(())
-}
-
-fn assert_rust_grounding_row_matches_mirror(
-    dag: &Dag,
-    disj_variants: &[Field],
-    idx: usize,
-    element: &FieldValue,
-    mirror: &MirrorRustPrimitive,
-) -> StructureResult<()> {
-    let location = format!("rust_grounding_primitives[{idx}]");
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = element
-    else {
-        return Err(StructureMismatch {
-            location,
-            expected: "FieldValue::Variant".to_string(),
-            actual: field_value_kind(element),
-        });
-    };
-
-    let variant_label = rust_primitive_variant_label(disj_variants, *constructor, idx)?;
-    let label = variant_label.as_str();
-    match mirror {
-        MirrorRustPrimitive::IntegerPrimitive { .. } => {
-            if label != "IntegerPrimitive" {
-                return Err(StructureMismatch {
-                    location,
-                    expected: "IntegerPrimitive authority row".to_string(),
-                    actual: label.to_string(),
-                });
-            }
-            assert_integer_primitive_payload_matches(dag, payload, mirror)
-        }
-        MirrorRustPrimitive::NonIntegerPrimitive { .. } => {
-            if label != "NonIntegerPrimitive" {
-                return Err(StructureMismatch {
-                    location,
-                    expected: "NonIntegerPrimitive authority row".to_string(),
-                    actual: label.to_string(),
-                });
-            }
-            assert_non_integer_primitive_payload_matches(dag, payload, mirror)
-        }
-    }
-}
-
-pub fn require_field_absent(variant: &VariantShape, field: &str) -> StructureResult<()> {
-    if variant
-        .fields
-        .iter()
-        .any(|candidate| candidate.name == field)
-    {
-        return Err(StructureMismatch {
-            location: variant.name.clone(),
-            expected: format!("no field `{field}`"),
-            actual: format!("field `{field}` present"),
-        });
-    }
-    Ok(())
-}
-
-fn rust_primitive_element_id(decl: &Declaration) -> StructureResult<DeclarationId> {
-    match &decl.connective {
-        TypeConnective::Instantiation { arguments, .. } if arguments.len() == 1 => {
-            Ok(arguments[0].value)
-        }
-        TypeConnective::Instantiation { arguments, .. } => Err(StructureMismatch {
-            location: "rust_grounding_primitives".to_string(),
-            expected: "List<RustPrimitive> with one template argument".to_string(),
-            actual: format!("Instantiation with {} template arguments", arguments.len()),
-        }),
-        other => Err(StructureMismatch {
-            location: "rust_grounding_primitives".to_string(),
-            expected: "List<RustPrimitive> instantiation".to_string(),
-            actual: connective_name(other).to_string(),
-        }),
-    }
-}
-
-fn expect_named_decl(decl: &Declaration, expected: &str, location: &str) -> StructureResult<()> {
-    if decl.name.as_deref() == Some(expected) {
-        return Ok(());
-    }
-    Err(StructureMismatch {
-        location: location.to_string(),
-        expected: expected.to_string(),
-        actual: decl.name.as_deref().unwrap_or("<anonymous>").to_string(),
-    })
-}
-
-fn expect_disj_variants(
-    decl: &Declaration,
-    location: &str,
-    expected: &[&str],
-) -> StructureResult<Vec<Field>> {
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        return Err(StructureMismatch {
-            location: location.to_string(),
-            expected: "Disj".to_string(),
-            actual: connective_name(&decl.connective).to_string(),
-        });
-    };
-    let actual: Vec<&str> = variants.iter().map(|field| field.label.as_str()).collect();
-    if actual == expected {
-        Ok(variants.clone())
-    } else {
-        Err(StructureMismatch {
-            location: location.to_string(),
-            expected: format!("{expected:?}"),
-            actual: format!("{actual:?}"),
-        })
-    }
-}
-
-fn variant_decl<'a>(
-    dag: &'a Dag,
-    variants: &[Field],
-    label: &str,
-) -> StructureResult<&'a Declaration> {
-    variants
-        .iter()
-        .find(|field| field.label == label)
-        .map(|field| dag.declaration(field.ty))
-        .ok_or_else(|| StructureMismatch {
-            location: "RustPrimitive".to_string(),
-            expected: format!("variant `{label}`"),
-            actual: "missing".to_string(),
-        })
-}
-
-fn expect_variant_shape(
-    dag: &Dag,
-    location: &str,
-    decl: &Declaration,
-    expected: &[(&str, &str)],
-) -> StructureResult<VariantShape> {
-    let TypeConnective::Conj { children } = &decl.connective else {
-        return Err(StructureMismatch {
-            location: location.to_string(),
-            expected: "Conj variant payload".to_string(),
-            actual: connective_name(&decl.connective).to_string(),
-        });
-    };
-
-    let mut fields = Vec::with_capacity(children.len());
-    for child in children {
-        let ty = type_name(dag, child.ty);
-        fields.push(FieldShape {
-            name: child.label.clone(),
-            ty,
-        });
-    }
-
-    let actual: Vec<(&str, &str)> = fields
-        .iter()
-        .map(|field| (field.name.as_str(), field.ty.as_str()))
-        .collect();
-    if actual == expected {
-        Ok(VariantShape {
-            name: location.to_string(),
-            fields,
-        })
-    } else {
-        Err(StructureMismatch {
-            location: location.to_string(),
-            expected: format!("{expected:?}"),
-            actual: format!("{actual:?}"),
-        })
-    }
-}
-
-fn expect_enum_shape(dag: &Dag, name: &str, expected: &[&str]) -> StructureResult<EnumShape> {
-    let decl = dag
-        .declaration_by_name(name)
-        .ok_or_else(|| StructureMismatch {
-            location: name.to_string(),
-            expected: "declared enum".to_string(),
-            actual: "missing".to_string(),
-        })?;
-    expect_named_decl(decl, name, name)?;
-    let variants = expect_disj_variants(decl, name, expected)?
-        .into_iter()
-        .map(|field| field.label)
-        .collect();
-    Ok(EnumShape {
-        name: name.to_string(),
-        variants,
-    })
-}
-
-fn type_name(dag: &Dag, id: DeclarationId) -> String {
-    dag.declaration(id)
-        .name
-        .clone()
-        .unwrap_or_else(|| format!("<anonymous:{}>", id.raw()))
-}
-
-fn connective_name(connective: &TypeConnective) -> &'static str {
-    match connective {
-        TypeConnective::Atom(_) => "Atom",
-        TypeConnective::Conj { .. } => "Conj",
-        TypeConnective::Disj { .. } => "Disj",
-        TypeConnective::Arrow { .. } => "Arrow",
-        TypeConnective::Cardinality { .. } => "Cardinality",
-        TypeConnective::Instantiation { .. } => "Instantiation",
-    }
-}
-
-fn expected_mirror_shape() -> RustPrimitiveTypeShape {
-    RustPrimitiveTypeShape {
-        variants: vec![
-            VariantShape {
-                name: "RustPrimitive.IntegerPrimitive".to_string(),
-                fields: vec![
-                    field("target_name", "String"),
-                    field("algebra", "IntegerAlgebra"),
-                    field("carrier", "TargetCarrier"),
-                    field("range_min_inclusive", "String"),
-                    field("range_max_inclusive", "String"),
-                    field("is_copy", "Bool"),
-                    field("overflow", "IntegerOverflow"),
-                ],
-            },
-            VariantShape {
-                name: "RustPrimitive.NonIntegerPrimitive".to_string(),
-                fields: vec![
-                    field("target_name", "String"),
-                    field("algebra", "NonIntegerAlgebra"),
-                    field("carrier", "TargetCarrier"),
-                    field("is_copy", "Bool"),
-                ],
-            },
-        ],
-        integer_algebra: enum_shape("IntegerAlgebra", &["OrderedRingAlgebra", "SemiringAlgebra"]),
-        non_integer_algebra: enum_shape(
-            "NonIntegerAlgebra",
-            &[
-                "ApproximateFieldAlgebra",
-                "BooleanAlgebraAlgebra",
-                "TerminalAlgebra",
-            ],
-        ),
-        target_carrier: enum_shape(
-            "TargetCarrier",
-            &[
-                "BitCarrier",
-                "ByteCarrier",
-                "Word16Carrier",
-                "Word32Carrier",
-                "Word64Carrier",
-                "Word128Carrier",
-                "TerminalCarrier",
-            ],
-        ),
-        integer_overflow: enum_shape(
-            "IntegerOverflow",
-            &["TwoComplementWrap", "Saturating", "Trap"],
-        ),
-    }
-}
-
-fn field(name: &str, ty: &str) -> FieldShape {
-    FieldShape {
-        name: name.to_string(),
-        ty: ty.to_string(),
-    }
-}
-
-fn enum_shape(name: &str, variants: &[&str]) -> EnumShape {
-    EnumShape {
-        name: name.to_string(),
-        variants: variants.iter().map(|variant| variant.to_string()).collect(),
-    }
-}
-
-fn validate_mirror_values_with_shape(shape: &RustPrimitiveTypeShape) -> StructureResult<()> {
-    let variant_names: BTreeSet<&str> = shape
-        .variants
-        .iter()
-        .map(|variant| variant.name.as_str())
-        .collect();
-    let integer_algebras = variant_set(&shape.integer_algebra);
-    let non_integer_algebras = variant_set(&shape.non_integer_algebra);
-    let carriers = variant_set(&shape.target_carrier);
-    let overflows = variant_set(&shape.integer_overflow);
-
-    for primitive in RUST_INHABITANCE_MIRROR {
-        match primitive {
-            MirrorRustPrimitive::IntegerPrimitive {
-                algebra,
-                carrier,
-                overflow,
-                ..
-            } => {
-                require_variant_known(&variant_names, "RustPrimitive.IntegerPrimitive")?;
-                require_tag_known(
-                    &integer_algebras,
-                    mirror_integer_algebra_name(*algebra),
-                    "IntegerAlgebra",
-                )?;
-                require_tag_known(&carriers, mirror_carrier_name(*carrier), "TargetCarrier")?;
-                require_tag_known(
-                    &overflows,
-                    mirror_overflow_name(*overflow),
-                    "IntegerOverflow",
-                )?;
-            }
-            MirrorRustPrimitive::NonIntegerPrimitive {
-                algebra, carrier, ..
-            } => {
-                require_variant_known(&variant_names, "RustPrimitive.NonIntegerPrimitive")?;
-                require_tag_known(
-                    &non_integer_algebras,
-                    mirror_non_integer_algebra_name(*algebra),
-                    "NonIntegerAlgebra",
-                )?;
-                require_tag_known(&carriers, mirror_carrier_name(*carrier), "TargetCarrier")?;
-            }
-        }
-    }
-    Ok(())
-}
-
-fn variant_set(shape: &EnumShape) -> BTreeMap<&str, ()> {
-    shape
-        .variants
-        .iter()
-        .map(|variant| (variant.as_str(), ()))
-        .collect()
-}
-
-fn require_variant_known(variants: &BTreeSet<&str>, variant: &str) -> StructureResult<()> {
-    if variants.contains(variant) {
-        Ok(())
-    } else {
-        Err(StructureMismatch {
-            location: "RUST_INHABITANCE_MIRROR".to_string(),
-            expected: format!("loaded shape contains `{variant}`"),
-            actual: "missing".to_string(),
-        })
-    }
-}
-
-fn require_tag_known(tags: &BTreeMap<&str, ()>, tag: &str, enum_name: &str) -> StructureResult<()> {
-    if tags.contains_key(tag) {
-        Ok(())
-    } else {
-        Err(StructureMismatch {
-            location: enum_name.to_string(),
-            expected: format!("loaded shape contains `{tag}`"),
-            actual: "missing".to_string(),
-        })
-    }
-}
-
-fn mirror_integer_algebra_name(algebra: MirrorIntegerAlgebra) -> &'static str {
-    match algebra {
-        MirrorIntegerAlgebra::OrderedRing => "OrderedRingAlgebra",
-        MirrorIntegerAlgebra::Semiring => "SemiringAlgebra",
-    }
-}
-
-fn mirror_non_integer_algebra_name(algebra: MirrorNonIntegerAlgebra) -> &'static str {
-    match algebra {
-        MirrorNonIntegerAlgebra::ApproximateField => "ApproximateFieldAlgebra",
-        MirrorNonIntegerAlgebra::BooleanAlgebra => "BooleanAlgebraAlgebra",
-        MirrorNonIntegerAlgebra::Terminal => "TerminalAlgebra",
-    }
-}
-
-fn mirror_carrier_name(carrier: MirrorTargetCarrier) -> &'static str {
-    match carrier {
-        MirrorTargetCarrier::Bit => "BitCarrier",
-        MirrorTargetCarrier::Byte => "ByteCarrier",
-        MirrorTargetCarrier::Word16 => "Word16Carrier",
-        MirrorTargetCarrier::Word32 => "Word32Carrier",
-        MirrorTargetCarrier::Word64 => "Word64Carrier",
-        MirrorTargetCarrier::Word128 => "Word128Carrier",
-        MirrorTargetCarrier::Terminal => "TerminalCarrier",
-    }
-}
-
-fn mirror_overflow_name(overflow: MirrorIntegerOverflow) -> &'static str {
-    match overflow {
-        MirrorIntegerOverflow::TwoComplementWrap => "TwoComplementWrap",
-        MirrorIntegerOverflow::Saturating => "Saturating",
-        MirrorIntegerOverflow::Trap => "Trap",
-    }
-}
-
-fn value_body_kind(body: &ValueBody) -> String {
-    match body {
-        ValueBody::Unparsed(_) => "ValueBody::Unparsed".to_string(),
-        ValueBody::Structural { .. } => "ValueBody::Structural".to_string(),
-        ValueBody::Scalar(_) => "ValueBody::Scalar".to_string(),
-        ValueBody::List(_) => "ValueBody::List".to_string(),
-        ValueBody::Map(_) => "ValueBody::Map".to_string(),
-    }
-}
-
-fn field_value_kind(value: &FieldValue) -> String {
-    match value {
-        FieldValue::Literal(_) => "FieldValue::Literal".to_string(),
-        FieldValue::Reference(_) => "FieldValue::Reference".to_string(),
-        FieldValue::Record(_) => "FieldValue::Record".to_string(),
-        FieldValue::List(_) => "FieldValue::List".to_string(),
-        FieldValue::Map(_) => "FieldValue::Map".to_string(),
-        FieldValue::Variant { .. } => "FieldValue::Variant".to_string(),
-    }
-}
-
-fn rust_primitive_variant_label(
-    disj_variants: &[Field],
-    constructor: DeclarationId,
-    row_index: usize,
-) -> StructureResult<String> {
-    disj_variants
-        .iter()
-        .find(|variant| variant.ty == constructor)
-        .map(|variant| variant.label.clone())
-        .ok_or_else(|| StructureMismatch {
-            location: format!("rust_grounding_primitives[{row_index}].constructor"),
-            expected: "constructor id belonging to RustPrimitive".to_string(),
-            actual: "unknown constructor".to_string(),
-        })
-}
-
-fn expect_literal_string_at(
-    payload: &[FieldValue],
-    idx: usize,
-    ctx: &str,
-) -> StructureResult<String> {
-    let value = payload.get(idx).ok_or_else(|| StructureMismatch {
-        location: ctx.to_string(),
-        expected: format!("payload field index {idx}"),
-        actual: format!("len {}", payload.len()),
-    })?;
-    let FieldValue::Literal(LiteralBits::String(s)) = value else {
-        return Err(StructureMismatch {
-            location: format!("{ctx}[{idx}]"),
-            expected: "Literal String".to_string(),
-            actual: field_value_kind(value),
-        });
-    };
-    Ok(s.clone())
-}
-
-fn expect_literal_bool_at(payload: &[FieldValue], idx: usize, ctx: &str) -> StructureResult<bool> {
-    let value = payload.get(idx).ok_or_else(|| StructureMismatch {
-        location: ctx.to_string(),
-        expected: format!("payload field index {idx}"),
-        actual: format!("len {}", payload.len()),
-    })?;
-    let FieldValue::Literal(LiteralBits::Bool(b)) = value else {
-        return Err(StructureMismatch {
-            location: format!("{ctx}[{idx}]"),
-            expected: "Literal Bool".to_string(),
-            actual: field_value_kind(value),
-        });
-    };
-    Ok(*b)
-}
-
-fn expect_nullary_variant_label(
-    dag: &Dag,
-    enum_name: &str,
-    expected_variants: &[&str],
-    value: &FieldValue,
-    ctx: &str,
-) -> StructureResult<String> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = value
-    else {
-        return Err(StructureMismatch {
-            location: ctx.to_string(),
-            expected: "FieldValue::Variant".to_string(),
-            actual: field_value_kind(value),
-        });
-    };
-    if !payload.is_empty() {
-        return Err(StructureMismatch {
-            location: ctx.to_string(),
-            expected: "nullary enum constructor (empty payload)".to_string(),
-            actual: format!("payload len {}", payload.len()),
-        });
-    }
-    let enum_decl = dag
-        .declaration_by_name(enum_name)
-        .ok_or_else(|| StructureMismatch {
-            location: ctx.to_string(),
-            expected: format!("declared enum `{enum_name}`"),
-            actual: "missing".to_string(),
-        })?;
-    let variants = expect_disj_variants(enum_decl, enum_name, expected_variants)?;
-    variants
-        .iter()
-        .find(|variant| variant.ty == *constructor)
-        .map(|variant| variant.label.clone())
-        .ok_or_else(|| StructureMismatch {
-            location: ctx.to_string(),
-            expected: format!("constructor id belonging to {enum_name}"),
-            actual: "unknown constructor".to_string(),
-        })
-}
-
-fn require_string_eq(actual: &str, expected: &str, field: &str) -> StructureResult<()> {
-    if actual == expected {
-        Ok(())
-    } else {
-        Err(StructureMismatch {
-            location: field.to_string(),
-            expected: expected.to_string(),
-            actual: actual.to_string(),
-        })
-    }
-}
-
-fn assert_integer_primitive_payload_matches(
-    dag: &Dag,
-    payload: &[FieldValue],
-    pilot: &MirrorRustPrimitive,
-) -> StructureResult<()> {
-    let MirrorRustPrimitive::IntegerPrimitive {
-        target_name,
-        algebra,
-        carrier,
-        range_min_inclusive,
-        range_max_inclusive,
-        is_copy,
-        overflow,
-    } = pilot
-    else {
-        return Err(StructureMismatch {
-            location: "validate_rust_grounding_rows_match_mirror".to_string(),
-            expected: "IntegerPrimitive mirror row".to_string(),
-            actual: "NonIntegerPrimitive".to_string(),
-        });
-    };
-    let ctx = "RustPrimitive.IntegerPrimitive payload";
-    if payload.len() != 7 {
-        return Err(StructureMismatch {
-            location: ctx.to_string(),
-            expected: "7 positional fields".to_string(),
-            actual: format!("{}", payload.len()),
-        });
-    }
-    let tn = expect_literal_string_at(payload, 0, ctx)?;
-    require_string_eq(&tn, target_name, "target_name")?;
-    let alg = expect_nullary_variant_label(
-        dag,
-        "IntegerAlgebra",
-        &["OrderedRingAlgebra", "SemiringAlgebra"],
-        &payload[1],
-        &format!("{ctx}.algebra"),
-    )?;
-    require_string_eq(&alg, mirror_integer_algebra_name(*algebra), "algebra")?;
-    let car = expect_nullary_variant_label(
-        dag,
-        "TargetCarrier",
-        &[
-            "BitCarrier",
-            "ByteCarrier",
-            "Word16Carrier",
-            "Word32Carrier",
-            "Word64Carrier",
-            "Word128Carrier",
-            "TerminalCarrier",
-        ],
-        &payload[2],
-        &format!("{ctx}.carrier"),
-    )?;
-    require_string_eq(&car, mirror_carrier_name(*carrier), "carrier")?;
-    let rmin = expect_literal_string_at(payload, 3, ctx)?;
-    require_string_eq(&rmin, range_min_inclusive, "range_min_inclusive")?;
-    let rmax = expect_literal_string_at(payload, 4, ctx)?;
-    require_string_eq(&rmax, range_max_inclusive, "range_max_inclusive")?;
-    let ic = expect_literal_bool_at(payload, 5, ctx)?;
-    if ic != *is_copy {
-        return Err(StructureMismatch {
-            location: format!("{ctx}.is_copy"),
-            expected: format!("{is_copy}"),
-            actual: format!("{ic}"),
-        });
-    }
-    let ov = expect_nullary_variant_label(
-        dag,
-        "IntegerOverflow",
-        &["TwoComplementWrap", "Saturating", "Trap"],
-        &payload[6],
-        &format!("{ctx}.overflow"),
-    )?;
-    require_string_eq(&ov, mirror_overflow_name(*overflow), "overflow")?;
-    Ok(())
-}
-
-fn assert_non_integer_primitive_payload_matches(
-    dag: &Dag,
-    payload: &[FieldValue],
-    pilot: &MirrorRustPrimitive,
-) -> StructureResult<()> {
-    let MirrorRustPrimitive::NonIntegerPrimitive {
-        target_name,
-        algebra,
-        carrier,
-        is_copy,
-    } = pilot
-    else {
-        return Err(StructureMismatch {
-            location: "validate_rust_grounding_rows_match_mirror".to_string(),
-            expected: "NonIntegerPrimitive mirror row".to_string(),
-            actual: "IntegerPrimitive".to_string(),
-        });
-    };
-    let ctx = "RustPrimitive.NonIntegerPrimitive payload";
-    if payload.len() != 4 {
-        return Err(StructureMismatch {
-            location: ctx.to_string(),
-            expected: "4 positional fields".to_string(),
-            actual: format!("{}", payload.len()),
-        });
-    }
-    let tn = expect_literal_string_at(payload, 0, ctx)?;
-    require_string_eq(&tn, target_name, "target_name")?;
-    let alg = expect_nullary_variant_label(
-        dag,
-        "NonIntegerAlgebra",
-        &[
-            "ApproximateFieldAlgebra",
-            "BooleanAlgebraAlgebra",
-            "TerminalAlgebra",
-        ],
-        &payload[1],
-        &format!("{ctx}.algebra"),
-    )?;
-    require_string_eq(&alg, mirror_non_integer_algebra_name(*algebra), "algebra")?;
-    let car = expect_nullary_variant_label(
-        dag,
-        "TargetCarrier",
-        &[
-            "BitCarrier",
-            "ByteCarrier",
-            "Word16Carrier",
-            "Word32Carrier",
-            "Word64Carrier",
-            "Word128Carrier",
-            "TerminalCarrier",
-        ],
-        &payload[2],
-        &format!("{ctx}.carrier"),
-    )?;
-    require_string_eq(&car, mirror_carrier_name(*carrier), "carrier")?;
-    let ic = expect_literal_bool_at(payload, 3, ctx)?;
-    if ic != *is_copy {
-        return Err(StructureMismatch {
-            location: format!("{ctx}.is_copy"),
-            expected: format!("{is_copy}"),
-            actual: format!("{ic}"),
-        });
-    }
-    Ok(())
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn type_structure_parity_matches_rust_primitive_authority() {
-        let shape = validate_loaded_rust_primitive_type_structure().expect("shape validates");
-        assert_eq!(shape, expected_mirror_shape());
-    }
-
-    #[test]
-    fn mirror_consistency_links_loader_shape_to_mirror_constants() {
-        validate_mirror_consistency().expect("pilot mirror matches loaded type shape");
-    }
-
-    #[test]
-    fn rust_grounding_primitives_target_name_multiset_matches_inhabitance_mirror() {
-        validate_rust_grounding_primitives_target_name_multiset_matches_mirror().expect(
-            "authority `target_name` multiset matches RUST_INHABITANCE_MIRROR (gunbc#2461)",
-        );
-    }
-
-    #[test]
-    fn all_enumerated_grounding_rows_match_mirror_including_floats() {
-        validate_rust_grounding_rows_match_mirror()
-            .expect("all lowered list rows match RUST_INHABITANCE_MIRROR, including f32/f64");
-    }
-
-    #[test]
-    fn state_space_keeps_overflow_off_non_integer_variant() {
-        let shape = validate_loaded_rust_primitive_type_structure().expect("shape validates");
-        let non_integer = shape
-            .variants
-            .iter()
-            .find(|variant| variant.name == "RustPrimitive.NonIntegerPrimitive")
-            .expect("non-integer variant present");
-        require_field_absent(non_integer, "overflow").expect("overflow is absent");
-    }
-
-    #[test]
-    fn state_space_reports_mismatch_when_overflow_is_required_on_non_integer_variant() {
-        let shape = validate_loaded_rust_primitive_type_structure().expect("shape validates");
-        let non_integer = shape
-            .variants
-            .iter()
-            .find(|variant| variant.name == "RustPrimitive.NonIntegerPrimitive")
-            .expect("non-integer variant present");
-        let actual_fields: Vec<&str> = non_integer
-            .fields
-            .iter()
-            .map(|field| field.name.as_str())
-            .collect();
-        let err = StructureMismatch {
-            location: non_integer.name.clone(),
-            expected: "field `overflow`".to_string(),
-            actual: format!("{actual_fields:?}"),
-        };
-        assert_eq!(err.location, "RustPrimitive.NonIntegerPrimitive");
-        assert!(err.expected.contains("overflow"));
-        assert!(err.actual.contains("target_name"));
-    }
-
-    #[test]
-    fn diagnostic_quality_names_location_expected_and_actual_shape() {
-        let bad_variant = VariantShape {
-            name: "RustPrimitive.NonIntegerPrimitive".to_string(),
-            fields: vec![field("overflow", "IntegerOverflow")],
-        };
-        let err = require_field_absent(&bad_variant, "overflow").expect_err("must fail closed");
-        assert_eq!(err.location, "RustPrimitive.NonIntegerPrimitive");
-        assert_eq!(err.expected, "no field `overflow`");
-        assert_eq!(err.actual, "field `overflow` present");
-    }
-}
diff --git a/src/v3/grounding_inhabitance_mirror/Cargo.toml b/src/v3/grounding_inhabitance_mirror/Cargo.toml
deleted file mode 100644
index 2e80b4f0970..00000000000
--- a/src/v3/grounding_inhabitance_mirror/Cargo.toml
+++ /dev/null
@@ -1,27 +0,0 @@
-[package]
-name = "v3-grounding-inhabitance-mirror"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-publish = false
-
-# T-Ground inhabitance mirror — bounded mirror validating that algebra-homomorphism
-# inhabitance search reproduces today's name-keyed table-lookup routing
-# on the 14-row Rust primitive set ({i8..i64, i128, u8..u64, u128, f32, f64, bool, ()}).
-#
-# Scope: src/v3/grounding_inhabitance_mirror/src/lib.rs. Authority for the structural
-# target-side facts: dsl/extdeps/languages/rust/primitives.dag.
-#
-# Lives as a sibling crate (not a module of v3-compiler) so the mirror's
-# lifecycle is fully isolated:
-#   - zero compiler-internal dependencies; nothing in here couples to the
-#     production pipeline
-#   - SG-0 ratchet on src/v3/compiler is untouched; admission of new
-#     hand-Rust into this mirror doesn't drift that ratchet
-#   - "deletable as a unit" is literal: when T-Ground-Engine reads substrate
-#     rows directly, this entire crate disappears alongside removal
-#     from workspace members
-#
-# No dependencies — the mirror is pure structural data + free functions.
-
-[dependencies]
diff --git a/src/v3/grounding_inhabitance_mirror/src/lib.rs b/src/v3/grounding_inhabitance_mirror/src/lib.rs
deleted file mode 100644
index fe79e2ae9ea..00000000000
--- a/src/v3/grounding_inhabitance_mirror/src/lib.rs
+++ /dev/null
@@ -1,876 +0,0 @@
-// v3-grounding-inhabitance-mirror crate root — inhabitance-search routing mirror.
-//
-// MIRROR SCOPE (T-Ground inhabitance parity):
-//   Validate that algebra-homomorphism inhabitance search reproduces
-//   today's name-keyed table-lookup routing for the Rust target on a
-//   bounded primitive set: {i8, i16, i32, i64, i128, u8, u16, u32, u64, u128,
-//   f32, f64, bool, ()}.
-//   (T-Int128 Slice B1 added i128. R3 Phase B-1 (commit `59511503e`) closed the
-//   prior `u128` deferral by widening `IntervalInt::ExactInterval` to a BigInt
-//   host repr — `u128::MAX` now fits — and the substrate `u128` row landed in
-//   `dsl/extdeps/languages/rust/primitives.dag`. Mirror updated here for
-//   parity. `isize` / `usize` rows remain held — pending Director disposition
-//   on consumer-side platform-width carrier shape (`TargetCarrier` /
-//   `IntegerAlgebra` are closed enums with no platform-width variant; see
-//   gunb-ai/gunbc#2224 STOP-AND-PING #issuecomment-4409297233).)
-//
-// FRAMING QUESTION:
-//   Does inhabitance-search routing — consuming structural target-primitive
-//   declarations and selecting by algebra-homomorphism — produce the same
-//   target-primitive selection as today's name-keyed table lookup, on a
-//   small Rust grounding primitive set?
-//
-// MIRROR — NOT PRODUCTION:
-//   This crate is a deliberate side-channel. It does not feed the emit
-//   pipeline; it does not consume the v3 substrate's parsed-Dag form; it
-//   does not edit dsl/extdeps/languages/rust/types.dag or dsl/std/coercion.dag.
-//   It mirrors the structural facts authored in dsl/extdeps/languages/rust/
-//   primitives.dag and dsl/std/integer.dag as Rust constants and walks them
-//   to demonstrate routing equivalence on the bounded grounding set.
-//
-//   Production routing through the .dag substrate ("the real walker")
-//   lands in T-Ground-Engine after the proposal greenlights the approach.
-//   This mirror's job is the greenlight signal.
-//
-// CRATE-LEVEL ISOLATION:
-//   Lives as a sibling crate of v3-compiler (not a module within it) so
-//   the mirror's lifecycle is fully isolated: zero compiler-internal deps,
-//   no coupling to the production pipeline, and the SG-0 hand-Rust
-//   ratchet on src/v3/compiler is untouched.
-//
-// DISSOLUTION:
-//   When T-Ground-Engine produces the production walker, this entire
-//   crate disappears alongside removal from workspace members. No
-//   upstream consumers, no tests outside this file.
-//
-// SUBSTRATE-GAP FLAGS (carried forward from primitives.dag):
-//   1. Two's-complement-wrap is a closed-enum field on IntegerPrimitive
-//      rather than a where-clause refinement on the algebra carrier (DB-11).
-//   2. IntegerAlgebra/NonIntegerAlgebra/TargetCarrier are tag enums
-//      standing in for first-class algebra/type references-as-data
-//      (T-Ground-Dissolve).
-//   3. Unit modeled with Terminal sentinels; DB-11 makes this
-//      Cardinality<T, Exactly(1)>.
-//
-// ESCALATION (per brief, do not absorb in lane):
-//   - Any mirror-set type can't be structurally declared without inventing
-//     a substrate capability beyond what's flagged above.
-//   - Any routing-parity failure on the mirror set.
-//   - Any case where inhabitance-search composition fails for a primitive
-//     class (e.g. can't distinguish signed/unsigned via single homomorphism).
-//   None of these triggered while authoring this probe; see PR description
-//   for the parity-stratum finding flagged for manager judgment.
-
-#![cfg_attr(not(test), allow(dead_code))]
-
-// =============================================================================
-// Structural target-side facts.
-//
-// Mirrors dsl/extdeps/languages/rust/primitives.dag. Authority for these
-// values is the .dag file; the duplication here is a probe-scoped
-// convenience until the production walker reads .dag declarations
-// directly.
-//
-// State-space discipline: algebra tags are partitioned into
-// integer-bearing (IntegerAlgebra) and non-integer-bearing
-// (NonIntegerAlgebra). RustPrimitive is sum-typed so that overflow lives
-// only on IntegerPrimitive — making `bool: Some(TwoComplementWrap)` and
-// `i64: None` structurally unrepresentable rather than ruled out by
-// convention.
-// =============================================================================
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum IntegerAlgebra {
-    OrderedRing,
-    Semiring,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum NonIntegerAlgebra {
-    ApproximateField,
-    BooleanAlgebra,
-    Terminal,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum TargetCarrier {
-    Bit,
-    Byte,
-    Word16,
-    Word32,
-    Word64,
-    Word128,
-    Terminal,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum IntegerOverflow {
-    TwoComplementWrap,
-    Saturating,
-    Trap,
-}
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum RustPrimitive {
-    IntegerPrimitive {
-        target_name: &'static str,
-        algebra: IntegerAlgebra,
-        carrier: TargetCarrier,
-        range_min_inclusive: &'static str,
-        range_max_inclusive: &'static str,
-        is_copy: bool,
-        overflow: IntegerOverflow,
-    },
-    NonIntegerPrimitive {
-        target_name: &'static str,
-        algebra: NonIntegerAlgebra,
-        carrier: TargetCarrier,
-        is_copy: bool,
-    },
-}
-
-/// Free-function accessor for the shared `target_name` field across both
-/// `RustPrimitive` variants. CODING.md prefers data + free functions over
-/// trait/impl method dispatch.
-pub fn target_name(p: &RustPrimitive) -> &'static str {
-    match p {
-        RustPrimitive::IntegerPrimitive { target_name, .. } => target_name,
-        RustPrimitive::NonIntegerPrimitive { target_name, .. } => target_name,
-    }
-}
-
-pub fn is_copy(p: &RustPrimitive) -> bool {
-    match p {
-        RustPrimitive::IntegerPrimitive { is_copy, .. } => *is_copy,
-        RustPrimitive::NonIntegerPrimitive { is_copy, .. } => *is_copy,
-    }
-}
-
-/// Routing key — `(algebra, carrier)` pair flattened across the
-/// integer/non-integer partition. The key is what `find_inhabitant`
-/// matches on; the partition stays load-bearing in the data declaration
-/// so overflow can attach only on the integer side.
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum RoutingKey {
-    Integer {
-        algebra: IntegerAlgebra,
-        carrier: TargetCarrier,
-    },
-    NonInteger {
-        algebra: NonIntegerAlgebra,
-        carrier: TargetCarrier,
-    },
-}
-
-pub fn routing_key(p: &RustPrimitive) -> RoutingKey {
-    match p {
-        RustPrimitive::IntegerPrimitive {
-            algebra, carrier, ..
-        } => RoutingKey::Integer {
-            algebra: *algebra,
-            carrier: *carrier,
-        },
-        RustPrimitive::NonIntegerPrimitive {
-            algebra, carrier, ..
-        } => RoutingKey::NonInteger {
-            algebra: *algebra,
-            carrier: *carrier,
-        },
-    }
-}
-
-// Mirrors `dsl/extdeps/languages/rust/primitives.dag` for the hand-authored
-// grounding pilot. Dissolution trigger matches the compiler census note:
-// once R2 T-Substrate's top-level aggregate `ValueBody` sub-lane makes
-// `rust_grounding_primitives` row values structurally walkable, this mirror's
-// integer ranges should be read from generated substrate accessors instead
-// of maintained as a third range list.
-pub const RUST_INHABITANCE_MIRROR: &[RustPrimitive] = &[
-    // Signed integers — OrderedRing over machine-word carriers.
-    RustPrimitive::IntegerPrimitive {
-        target_name: "i8",
-        algebra: IntegerAlgebra::OrderedRing,
-        carrier: TargetCarrier::Byte,
-        range_min_inclusive: "-128",
-        range_max_inclusive: "127",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    RustPrimitive::IntegerPrimitive {
-        target_name: "i16",
-        algebra: IntegerAlgebra::OrderedRing,
-        carrier: TargetCarrier::Word16,
-        range_min_inclusive: "-32768",
-        range_max_inclusive: "32767",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    RustPrimitive::IntegerPrimitive {
-        target_name: "i32",
-        algebra: IntegerAlgebra::OrderedRing,
-        carrier: TargetCarrier::Word32,
-        range_min_inclusive: "-2147483648",
-        range_max_inclusive: "2147483647",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    RustPrimitive::IntegerPrimitive {
-        target_name: "i64",
-        algebra: IntegerAlgebra::OrderedRing,
-        carrier: TargetCarrier::Word64,
-        range_min_inclusive: "-9223372036854775808",
-        range_max_inclusive: "9223372036854775807",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    // T-Int128 Slice B1: signed 128-bit. u128 follows as Slice B-1 unsigned
-    // symmetric row (same `Word128Carrier`; range facts use BigInt host repr).
-    RustPrimitive::IntegerPrimitive {
-        target_name: "i128",
-        algebra: IntegerAlgebra::OrderedRing,
-        carrier: TargetCarrier::Word128,
-        range_min_inclusive: "-170141183460469231731687303715884105728",
-        range_max_inclusive: "170141183460469231731687303715884105727",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    // Unsigned integers — Semiring over machine-word carriers.
-    RustPrimitive::IntegerPrimitive {
-        target_name: "u8",
-        algebra: IntegerAlgebra::Semiring,
-        carrier: TargetCarrier::Byte,
-        range_min_inclusive: "0",
-        range_max_inclusive: "255",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    RustPrimitive::IntegerPrimitive {
-        target_name: "u16",
-        algebra: IntegerAlgebra::Semiring,
-        carrier: TargetCarrier::Word16,
-        range_min_inclusive: "0",
-        range_max_inclusive: "65535",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    RustPrimitive::IntegerPrimitive {
-        target_name: "u32",
-        algebra: IntegerAlgebra::Semiring,
-        carrier: TargetCarrier::Word32,
-        range_min_inclusive: "0",
-        range_max_inclusive: "4294967295",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    RustPrimitive::IntegerPrimitive {
-        target_name: "u64",
-        algebra: IntegerAlgebra::Semiring,
-        carrier: TargetCarrier::Word64,
-        range_min_inclusive: "0",
-        range_max_inclusive: "18446744073709551615",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    // R3 Phase B-1 (commit `59511503e`): unsigned 128-bit. Symmetric to i128
-    // above; unblocked by Phase A's BigInt host repr widening for
-    // `IntervalInt::ExactInterval` so `u128::MAX` (2^128 - 1) fits as a
-    // declared-fact range bound.
-    RustPrimitive::IntegerPrimitive {
-        target_name: "u128",
-        algebra: IntegerAlgebra::Semiring,
-        carrier: TargetCarrier::Word128,
-        range_min_inclusive: "0",
-        range_max_inclusive: "340282366920938463463374607431768211455",
-        is_copy: true,
-        overflow: IntegerOverflow::TwoComplementWrap,
-    },
-    // Floats — ApproximateField over machine-width carriers.
-    RustPrimitive::NonIntegerPrimitive {
-        target_name: "f32",
-        algebra: NonIntegerAlgebra::ApproximateField,
-        carrier: TargetCarrier::Word32,
-        is_copy: true,
-    },
-    RustPrimitive::NonIntegerPrimitive {
-        target_name: "f64",
-        algebra: NonIntegerAlgebra::ApproximateField,
-        carrier: TargetCarrier::Word64,
-        is_copy: true,
-    },
-    // Bool — BooleanAlgebra over Bit.
-    RustPrimitive::NonIntegerPrimitive {
-        target_name: "bool",
-        algebra: NonIntegerAlgebra::BooleanAlgebra,
-        carrier: TargetCarrier::Bit,
-        is_copy: true,
-    },
-    // Unit — terminal object.
-    RustPrimitive::NonIntegerPrimitive {
-        target_name: "()",
-        algebra: NonIntegerAlgebra::Terminal,
-        carrier: TargetCarrier::Terminal,
-        is_copy: true,
-    },
-];
-
-// =============================================================================
-// Structural .dag-side facts.
-//
-// Mirrors dsl/std/integer.dag (Int8..Int64 + Int128, UInt8..UInt64 + UInt128),
-// dsl/std/float.dag (Float32/Float64), and the std-side declarations of Bool
-// and Unit. Each .dag-side type unfolds to a RoutingKey; production resolution
-// will read the real type-alias chain via the v3 substrate's resolve_item_types.
-// =============================================================================
-
-#[derive(Debug, Clone, Copy, PartialEq, Eq)]
-pub enum DagType {
-    Int8,
-    Int16,
-    Int32,
-    Int64,
-    Int128,
-    UInt8,
-    UInt16,
-    UInt32,
-    UInt64,
-    UInt128,
-    Float32,
-    Float64,
-    Bool,
-    Unit,
-}
-
-pub const DAG_INHABITANCE_TYPES: &[DagType] = &[
-    DagType::Int8,
-    DagType::Int16,
-    DagType::Int32,
-    DagType::Int64,
-    DagType::Int128,
-    DagType::UInt8,
-    DagType::UInt16,
-    DagType::UInt32,
-    DagType::UInt64,
-    DagType::UInt128,
-    DagType::Float32,
-    DagType::Float64,
-    DagType::Bool,
-    DagType::Unit,
-];
-
-/// Unfold a pilot .dag-side type to its routing-key facts.
-///
-/// Authority: dsl/std/integer.dag (Int8..Int64 + Int128, UInt8..UInt64 + UInt128),
-/// dsl/std/float.dag (Float32/Float64), plus the canonical std modeling of Bool
-/// as BooleanAlgebra<Bit> and Unit as the terminal object.
-pub fn dag_type_facts(t: DagType) -> RoutingKey {
-    match t {
-        DagType::Int8 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::OrderedRing,
-            carrier: TargetCarrier::Byte,
-        },
-        DagType::Int16 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::OrderedRing,
-            carrier: TargetCarrier::Word16,
-        },
-        DagType::Int32 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::OrderedRing,
-            carrier: TargetCarrier::Word32,
-        },
-        DagType::Int64 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::OrderedRing,
-            carrier: TargetCarrier::Word64,
-        },
-        DagType::Int128 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::OrderedRing,
-            carrier: TargetCarrier::Word128,
-        },
-        DagType::UInt8 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::Semiring,
-            carrier: TargetCarrier::Byte,
-        },
-        DagType::UInt16 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::Semiring,
-            carrier: TargetCarrier::Word16,
-        },
-        DagType::UInt32 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::Semiring,
-            carrier: TargetCarrier::Word32,
-        },
-        DagType::UInt64 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::Semiring,
-            carrier: TargetCarrier::Word64,
-        },
-        DagType::UInt128 => RoutingKey::Integer {
-            algebra: IntegerAlgebra::Semiring,
-            carrier: TargetCarrier::Word128,
-        },
-        DagType::Float32 => RoutingKey::NonInteger {
-            algebra: NonIntegerAlgebra::ApproximateField,
-            carrier: TargetCarrier::Word32,
-        },
-        DagType::Float64 => RoutingKey::NonInteger {
-            algebra: NonIntegerAlgebra::ApproximateField,
-            carrier: TargetCarrier::Word64,
-        },
-        DagType::Bool => RoutingKey::NonInteger {
-            algebra: NonIntegerAlgebra::BooleanAlgebra,
-            carrier: TargetCarrier::Bit,
-        },
-        DagType::Unit => RoutingKey::NonInteger {
-            algebra: NonIntegerAlgebra::Terminal,
-            carrier: TargetCarrier::Terminal,
-        },
-    }
-}
-
-// =============================================================================
-// The toy inhabitance-search engine.
-//
-// Selection is by RoutingKey agreement. Pilot scope per brief:
-// single-satisfier match is acceptable; minimum-satisfier discipline and
-// fail-closed tie-breaking with structured diagnostics are
-// T-Ground-Engine, not Pilot.
-//
-// The pilot set is constructed so each RoutingKey has exactly one
-// satisfying primitive. If a future extension introduces ambiguity, the
-// engine surfaces GroundingError::Ambiguous so callers can't silently
-// pick — fail-closed by construction even at pilot scope.
-// =============================================================================
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum GroundingError {
-    /// No declared primitive inhabits the requested routing key.
-    NoInhabitant { key: RoutingKey },
-    /// More than one declared primitive inhabits the requested routing
-    /// key. Pilot fails closed; T-Ground-Engine will produce a
-    /// structured diagnostic naming candidates.
-    Ambiguous {
-        key: RoutingKey,
-        candidates: Vec<&'static str>,
-    },
-}
-
-/// Search RUST_INHABITANCE_MIRROR for the unique primitive whose routing
-/// key matches. This is the algebra-homomorphism match the proposal
-/// calls "the mapping should fall out from the algebra, not from a
-/// hand-maintained table."
-pub fn find_inhabitant(key: RoutingKey) -> Result<&'static RustPrimitive, GroundingError> {
-    let matches: Vec<&'static RustPrimitive> = RUST_INHABITANCE_MIRROR
-        .iter()
-        .filter(|p| routing_key(p) == key)
-        .collect();
-    match matches.as_slice() {
-        [] => Err(GroundingError::NoInhabitant { key }),
-        [only] => Ok(*only),
-        many => Err(GroundingError::Ambiguous {
-            key,
-            candidates: many.iter().map(|p| target_name(p)).collect(),
-        }),
-    }
-}
-
-/// Top-level: ground a .dag-side pilot type to its Rust target primitive
-/// by algebra-homomorphism search. This is the routing the production
-/// walker will replace.
-pub fn ground(t: DagType) -> Result<&'static RustPrimitive, GroundingError> {
-    find_inhabitant(dag_type_facts(t))
-}
-
-// =============================================================================
-// Phase 3 — routing-stability tests.
-//
-// Two strata (see PR description):
-//   A. Name-keyed parity. dsl/extdeps/languages/rust/types.dag's
-//      rust_type_checkpoints declares 3 of the 14 pilot types: Int (= Int64)
-//      → "i64", Bool → "bool", Unit → "()". The engine must produce the
-//      same target_name on these.
-//   B. Algebra-homomorphism extension. The remaining pilot types
-//      (Int8/16/32/128, UInt8..UInt128, Float32/Float64) have no name-keyed checkpoint in
-//      types.dag — the only fallback is the OrderedRing → "i64"
-//      algebra-inhabitant entry, which is width-blind and would
-//      mis-route Int8 to i64. The engine must produce the
-//      width-correct primitive (Int8 → "i8", UInt32 → "u32", etc.).
-//      This is precisely the gap the proposal predicts and what the
-//      pilot validates: structural (algebra, carrier) matching reaches
-//      types the name-keyed table cannot.
-//
-// Per TESTING.md (hermetic, behavior-driven, unit-first) and
-// feedback_test_timeout_2s.md (>2s = broken). These are pure-function
-// table walks — sub-millisecond.
-// =============================================================================
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    use std::collections::BTreeMap;
-
-    /// Stratum A.1 — Int (= Int64) routes to "i64" per the
-    /// rust_type_checkpoints entry { dag_name: "Int", target_type: "i64" }.
-    #[test]
-    fn stratum_a_int_routes_to_i64() {
-        let p = ground(DagType::Int64).expect("Int64 must ground");
-        assert_eq!(target_name(p), "i64");
-        assert!(is_copy(p));
-    }
-
-    /// Stratum A.2 — Bool routes to "bool".
-    #[test]
-    fn stratum_a_bool_routes_to_bool() {
-        let p = ground(DagType::Bool).expect("Bool must ground");
-        assert_eq!(target_name(p), "bool");
-        assert!(is_copy(p));
-    }
-
-    /// Stratum A.3 — Unit routes to "()".
-    #[test]
-    fn stratum_a_unit_routes_to_unit_tuple() {
-        let p = ground(DagType::Unit).expect("Unit must ground");
-        assert_eq!(target_name(p), "()");
-        assert!(is_copy(p));
-    }
-
-    /// Stratum B — width-distinct signed integers route to width-correct
-    /// Rust primitives. These have no name-keyed checkpoint in types.dag;
-    /// today's algebra-inhabitant fallback (OrderedRing → "i64") is
-    /// width-blind.
-    #[test]
-    fn stratum_b_signed_widths_route_correctly() {
-        for (dag, expected) in [
-            (DagType::Int8, "i8"),
-            (DagType::Int16, "i16"),
-            (DagType::Int32, "i32"),
-            (DagType::Int64, "i64"),
-            (DagType::Int128, "i128"),
-        ] {
-            let p = ground(dag).unwrap_or_else(|e| panic!("{dag:?} must ground: {e:?}"));
-            assert_eq!(target_name(p), expected, "routing for {dag:?}");
-            assert!(matches!(
-                p,
-                RustPrimitive::IntegerPrimitive {
-                    algebra: IntegerAlgebra::OrderedRing,
-                    ..
-                }
-            ));
-        }
-    }
-
-    /// Stratum B — width-distinct unsigned integers route to width-correct
-    /// Rust primitives. types.dag has *no* Semiring inhabitant declared,
-    /// so today's machinery is fail-closed for these; the engine
-    /// produces the canonical mapping.
-    #[test]
-    fn stratum_b_unsigned_widths_route_correctly() {
-        for (dag, expected) in [
-            (DagType::UInt8, "u8"),
-            (DagType::UInt16, "u16"),
-            (DagType::UInt32, "u32"),
-            (DagType::UInt64, "u64"),
-            (DagType::UInt128, "u128"),
-        ] {
-            let p = ground(dag).unwrap_or_else(|e| panic!("{dag:?} must ground: {e:?}"));
-            assert_eq!(target_name(p), expected, "routing for {dag:?}");
-            assert!(matches!(
-                p,
-                RustPrimitive::IntegerPrimitive {
-                    algebra: IntegerAlgebra::Semiring,
-                    ..
-                }
-            ));
-        }
-    }
-
-    /// Stratum B — width-distinct floats route via ApproximateField plus the
-    /// machine-width carrier. These rows cover gate #18's Real<N> arm:
-    /// `Float32/Float64` alias `Real32/Real64`, each `Compose<Real, MachineWidth<N>>` with
-    /// literal-Nat phantom width `N` (R3 gate #60 Slice Z).
-    #[test]
-    fn stratum_b_float_widths_route_correctly() {
-        for (dag, expected, carrier) in [
-            (DagType::Float32, "f32", TargetCarrier::Word32),
-            (DagType::Float64, "f64", TargetCarrier::Word64),
-        ] {
-            let p = ground(dag).unwrap_or_else(|e| panic!("{dag:?} must ground: {e:?}"));
-            assert_eq!(target_name(p), expected, "routing for {dag:?}");
-            assert!(matches!(
-                p,
-                RustPrimitive::NonIntegerPrimitive {
-                    algebra: NonIntegerAlgebra::ApproximateField,
-                    carrier: actual,
-                    ..
-                } if *actual == carrier
-            ));
-        }
-    }
-
-    /// Coverage — every type in DAG_INHABITANCE_TYPES grounds to exactly one
-    /// primitive. Asserts the pilot set is fully covered.
-    #[test]
-    fn inhabitance_set_fully_covered() {
-        for &dag in DAG_INHABITANCE_TYPES {
-            let r = ground(dag);
-            assert!(r.is_ok(), "pilot type {dag:?} must ground; got {r:?}");
-        }
-    }
-
-    /// Coverage — engine output names exactly match the canonical
-    /// expectation across all 14 pilot types in one place.
-    #[test]
-    fn full_inhabitance_routing_table() {
-        let expected: &[(DagType, &str)] = &[
-            (DagType::Int8, "i8"),
-            (DagType::Int16, "i16"),
-            (DagType::Int32, "i32"),
-            (DagType::Int64, "i64"),
-            (DagType::Int128, "i128"),
-            (DagType::UInt8, "u8"),
-            (DagType::UInt16, "u16"),
-            (DagType::UInt32, "u32"),
-            (DagType::UInt64, "u64"),
-            (DagType::UInt128, "u128"),
-            (DagType::Float32, "f32"),
-            (DagType::Float64, "f64"),
-            (DagType::Bool, "bool"),
-            (DagType::Unit, "()"),
-        ];
-        for &(dag, want) in expected {
-            let got = target_name(ground(dag).unwrap());
-            assert_eq!(got, want, "routing parity for {dag:?}");
-        }
-    }
-
-    /// Selection happens by RoutingKey agreement — not by .dag-side name.
-    /// Verified by routing through find_inhabitant directly with synthetic
-    /// facts and observing the same primitive selection as the matching
-    /// DagType produces.
-    #[test]
-    fn selection_is_by_algebra_homomorphism_not_name() {
-        // Synthetic key equivalent to UInt32 (Semiring over Word32).
-        let key = RoutingKey::Integer {
-            algebra: IntegerAlgebra::Semiring,
-            carrier: TargetCarrier::Word32,
-        };
-        let direct = find_inhabitant(key).expect("Semiring × Word32 must have an inhabitant");
-        let via_dag = ground(DagType::UInt32).expect("UInt32 must ground");
-        assert_eq!(target_name(direct), target_name(via_dag));
-        assert_eq!(target_name(direct), "u32");
-    }
-
-    /// Pilot is constructed so each RoutingKey is uniquely inhabited.
-    /// Confirms no two primitive declarations collide on the same key.
-    #[test]
-    fn mirror_primitives_have_unique_routing_keys() {
-        let mut seen: Vec<RoutingKey> = Vec::new();
-        for p in RUST_INHABITANCE_MIRROR {
-            let key = routing_key(p);
-            assert!(
-                !seen.contains(&key),
-                "duplicate routing key for {}: {:?}",
-                target_name(p),
-                key
-            );
-            seen.push(key);
-        }
-    }
-
-    #[derive(Debug, Clone, PartialEq, Eq)]
-    struct RangeFact<'a> {
-        target_name: &'a str,
-        algebra: &'a str,
-        carrier: &'a str,
-        min: &'a str,
-        max: &'a str,
-    }
-
-    fn quoted_field<'a>(block: &'a str, field: &str) -> &'a str {
-        let marker = format!("{field}: \"");
-        let start = block
-            .find(&marker)
-            .unwrap_or_else(|| panic!("missing `{field}` in IntegerRangeFact block:\n{block}"))
-            + marker.len();
-        let rest = &block[start..];
-        let end = rest.find('"').unwrap_or_else(|| {
-            panic!("unterminated `{field}` string in IntegerRangeFact block:\n{block}")
-        });
-        &rest[..end]
-    }
-
-    fn bare_field<'a>(block: &'a str, field: &str) -> &'a str {
-        let marker = format!("{field}: ");
-        let start = block
-            .find(&marker)
-            .unwrap_or_else(|| panic!("missing `{field}` in IntegerRangeFact block:\n{block}"))
-            + marker.len();
-        let rest = &block[start..];
-        let end = rest
-            .find([',', '\n'])
-            .unwrap_or_else(|| panic!("unterminated `{field}` value in block:\n{block}"));
-        rest[..end].trim()
-    }
-
-    /// Inner slice of the `go_spec_predeclared_primitives` data list (between `[` and the matching
-    /// closing `]`), for text-level drift checks without involving the v3 parser.
-    fn go_spec_predeclared_list_inner(source: &str) -> &str {
-        const HEAD: &str = "data go_spec_predeclared_primitives: List<GoPrimitive> = [";
-        let start = source
-            .find(HEAD)
-            .unwrap_or_else(|| panic!("missing {HEAD}"));
-        let rest = &source[start + HEAD.len()..];
-        let mut depth: i32 = 1;
-        for (j, c) in rest.char_indices() {
-            match c {
-                '[' => depth += 1,
-                ']' => {
-                    depth -= 1;
-                    if depth == 0 {
-                        return &rest[..j];
-                    }
-                }
-                _ => {}
-            }
-        }
-        panic!("unterminated go_spec_predeclared_primitives list");
-    }
-
-    /// Each `needle` (e.g. `GoIntegerPrimitive {`) — variant constructor through its closing `}`.
-    fn go_list_variant_blocks<'a>(list_inner: &'a str, needle: &str) -> Vec<&'a str> {
-        let mut at = 0;
-        let mut out = Vec::new();
-        while let Some(rel) = list_inner[at..].find(needle) {
-            let start = at + rel;
-            let open = start
-                + list_inner[start..]
-                    .find('{')
-                    .expect("open brace in variant");
-            let mut d = 0i32;
-            let mut end: Option<usize> = None;
-            for (k, c) in list_inner[open..].char_indices() {
-                match c {
-                    '{' => d += 1,
-                    '}' => {
-                        d -= 1;
-                        if d == 0 {
-                            end = Some(open + k + 1);
-                            break;
-                        }
-                    }
-                    _ => {}
-                }
-            }
-            let end = end.unwrap_or_else(|| {
-                panic!(
-                    "unterminated `{{` block for needle {needle:?} starting at byte {start} in go list slice"
-                )
-            });
-            out.push(&list_inner[start..end]);
-            at = end;
-        }
-        out
-    }
-
-    /// `GoIntegerRangeFact` data rows duplicate range fields on `GoIntegerPrimitive` / alias rows in
-    /// `go_spec_predeclared_primitives` (spec-predeclared slice only; `struct{}` / Unit lives in
-    /// `go_dag_unit_target_primitive`) until the ValueBody sub-lane makes the list structurally
-    /// walkable — keep them self-consistent.
-    #[test]
-    fn go_integer_range_facts_match_predeclared_list() {
-        let source = include_str!("../../../../dsl/extdeps/languages/go/primitives.dag");
-        let fact_vec: Vec<RangeFact<'_>> = source
-            .split("data ")
-            .filter(|b| b.contains(": GoIntegerRangeFact = {"))
-            .map(|block| RangeFact {
-                target_name: quoted_field(block, "target_name"),
-                algebra: bare_field(block, "algebra"),
-                carrier: bare_field(block, "carrier"),
-                min: quoted_field(block, "range_min_inclusive"),
-                max: quoted_field(block, "range_max_inclusive"),
-            })
-            .collect();
-        assert_eq!(
-            fact_vec.len(),
-            8,
-            "expected 8 width-known GoIntegerRangeFact rows"
-        );
-        let facts: BTreeMap<&str, &RangeFact<'_>> =
-            fact_vec.iter().map(|f| (f.target_name, f)).collect();
-        assert_eq!(
-            facts.len(),
-            8,
-            "GoIntegerRangeFact target_name keys must be unique"
-        );
-
-        let list = go_spec_predeclared_list_inner(source);
-        let prims = go_list_variant_blocks(list, "GoIntegerPrimitive {");
-        assert_eq!(prims.len(), 8);
-        for block in &prims {
-            let name = quoted_field(block, "target_name");
-            let exp = facts
-                .get(name)
-                .unwrap_or_else(|| panic!("GoIntegerRangeFact row missing for `{name}`"));
-            assert_eq!(bare_field(block, "algebra"), exp.algebra, "{name} algebra");
-            assert_eq!(bare_field(block, "carrier"), exp.carrier, "{name} carrier");
-            assert_eq!(
-                quoted_field(block, "range_min_inclusive"),
-                exp.min,
-                "{name} min"
-            );
-            assert_eq!(
-                quoted_field(block, "range_max_inclusive"),
-                exp.max,
-                "{name} max"
-            );
-        }
-        let aliases = go_list_variant_blocks(list, "GoIntegerAliasPrimitive {");
-        assert_eq!(aliases.len(), 2, "expected byte and rune alias rows");
-        for block in &aliases {
-            let canon = quoted_field(block, "canon_name");
-            let exp = facts
-                .get(canon)
-                .unwrap_or_else(|| panic!("GoIntegerRangeFact row for canon `{canon}` (alias)"));
-            assert_eq!(
-                bare_field(block, "algebra"),
-                exp.algebra,
-                "alias vs {canon}"
-            );
-            assert_eq!(bare_field(block, "carrier"), exp.carrier);
-            assert_eq!(quoted_field(block, "range_min_inclusive"), exp.min);
-            assert_eq!(quoted_field(block, "range_max_inclusive"), exp.max);
-        }
-    }
-
-    /// Fail-closed shape — a routing key with no declared inhabitant
-    /// returns NoInhabitant rather than silently picking. (BooleanAlgebra
-    /// over Word64 is out-of-pilot-scope; using it here as a probe.)
-    #[test]
-    fn missing_inhabitant_fails_closed() {
-        let key = RoutingKey::NonInteger {
-            algebra: NonIntegerAlgebra::BooleanAlgebra,
-            carrier: TargetCarrier::Word64,
-        };
-        let r = find_inhabitant(key);
-        assert!(matches!(r, Err(GroundingError::NoInhabitant { .. })));
-    }
-
-    /// State-space discipline — overflow is a field on IntegerPrimitive
-    /// only; NonIntegerPrimitive structurally cannot carry an overflow.
-    /// This test exists to lock the partition into the contract: if a
-    /// future change collapses the variants back into a single record
-    /// with `Option<IntegerOverflow>`, this test breaks. The match is
-    /// exhaustive by sum-type construction.
-    #[test]
-    fn overflow_lives_only_on_integer_variant() {
-        for p in RUST_INHABITANCE_MIRROR {
-            match p {
-                RustPrimitive::IntegerPrimitive { overflow, .. } => {
-                    // Pilot population: every integer primitive uses
-                    // two's-complement wrap (Rust release-mode arithmetic).
-                    assert_eq!(*overflow, IntegerOverflow::TwoComplementWrap);
-                }
-                RustPrimitive::NonIntegerPrimitive { .. } => {
-                    // No overflow field exists on this variant — the
-                    // exhaustive match is the structural assertion.
-                }
-            }
-        }
-    }
-}
diff --git a/src/v3/grounding_lifetime/Cargo.toml b/src/v3/grounding_lifetime/Cargo.toml
deleted file mode 100644
index cdc99f870ac..00000000000
--- a/src/v3/grounding_lifetime/Cargo.toml
+++ /dev/null
@@ -1,13 +0,0 @@
-[package]
-name = "v3-grounding-lifetime"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-publish = false
-
-# T-Ground-Lifetime-Analyzer — structural R2 lifetime / ownership / growability
-# fold over program use sites (no annotation surface). Sibling crate to
-# `grounding_inhabitance_mirror` / `grounding_engine`; does not touch `src/v3/compiler/` SG-0.
-
-[dependencies]
-v3-compiler = { path = "../compiler" }
diff --git a/src/v3/grounding_lifetime/src/analyze.rs b/src/v3/grounding_lifetime/src/analyze.rs
deleted file mode 100644
index 7cd4251b348..00000000000
--- a/src/v3/grounding_lifetime/src/analyze.rs
+++ /dev/null
@@ -1,177 +0,0 @@
-//! Structural fold: meet use-site constraints into `LifetimeFacts`.
-
-use std::collections::BTreeMap;
-
-use crate::axes::LanguageSpecAxes;
-use crate::diagnostic::{EmissionDiagnostic, SiteRef};
-use crate::facts::{Encoding, Growability, LifetimeFacts, LifetimeScope, Ownership};
-use crate::program::{
-    BindingDef, BindingId, BindingRole, LifetimeProgram, ProgramTypeFamily, R3Construct, UseKind,
-};
-
-fn encoding_for_binding(binding: &BindingDef) -> Result<Encoding, EmissionDiagnostic> {
-    match binding.type_family {
-        ProgramTypeFamily::FreeMonoidCharUtf8 => Ok(Encoding::Utf8FreeMonoidChar),
-        ProgramTypeFamily::Unclassified => Err(EmissionDiagnostic::UnderRefined {
-            axis: "encoding".to_string(),
-        }),
-    }
-}
-
-fn ownership_lifetime_growable_for(
-    binding: &BindingDef,
-    axes: &LanguageSpecAxes,
-) -> Result<(Ownership, LifetimeScope, Growability), EmissionDiagnostic> {
-    match &binding.role {
-        BindingRole::FunctionReturn { .. } => Ok((
-            Ownership::Owned,
-            LifetimeScope::Self_,
-            Growability::NotApplicable,
-        )),
-        BindingRole::TopLevelData => {
-            let mut forces_owned = false;
-            let mut forces_borrow_exclusive = false;
-            let mut growth = false;
-            let mut indeterminate = false;
-            for u in &binding.uses {
-                match u.kind {
-                    UseKind::Transient => {}
-                    UseKind::StoreOrEscape | UseKind::GrowthMutation => forces_owned = true,
-                    UseKind::BorrowExclusive => forces_borrow_exclusive = true,
-                    UseKind::IndeterminateGrowability => indeterminate = true,
-                }
-                if u.kind == UseKind::GrowthMutation {
-                    growth = true;
-                }
-            }
-            if forces_owned && forces_borrow_exclusive {
-                return Err(EmissionDiagnostic::ContradictoryUse {
-                    binding: binding.name.clone(),
-                    sites: binding
-                        .uses
-                        .iter()
-                        .map(|u| SiteRef {
-                            label: u.site_label.clone(),
-                        })
-                        .collect(),
-                });
-            }
-            let growable = if axes.string_growability_axis_load_bearing {
-                if indeterminate {
-                    return Err(EmissionDiagnostic::UnderRefined {
-                        axis: "growability".to_string(),
-                    });
-                }
-                if growth {
-                    Growability::Yes
-                } else {
-                    // No growth witnesses (including the empty-use case) ⇒ non-growable
-                    // (`design-emission-model.md:553` — absence is structural).
-                    Growability::No
-                }
-            } else {
-                Growability::No
-            };
-            Ok((Ownership::Owned, LifetimeScope::Self_, growable))
-        }
-        BindingRole::FunctionParameter { .. } => {
-            let mut owned_force = false;
-            let mut borrow_excl = false;
-            let mut indeterminate = false;
-            for u in &binding.uses {
-                match u.kind {
-                    UseKind::Transient => {}
-                    UseKind::BorrowExclusive => {}
-                    UseKind::StoreOrEscape | UseKind::GrowthMutation => owned_force = true,
-                    UseKind::IndeterminateGrowability => indeterminate = true,
-                }
-                if u.kind == UseKind::BorrowExclusive {
-                    borrow_excl = true;
-                }
-            }
-            if owned_force && borrow_excl {
-                return Err(EmissionDiagnostic::ContradictoryUse {
-                    binding: binding.name.clone(),
-                    sites: binding
-                        .uses
-                        .iter()
-                        .map(|u| SiteRef {
-                            label: u.site_label.clone(),
-                        })
-                        .collect(),
-                });
-            }
-            let ownership = if owned_force {
-                Ownership::Owned
-            } else {
-                Ownership::Borrowed
-            };
-            // Opaque growability witnesses must fail-closed whenever the axis is
-            // load-bearing — even when ownership meets as `Borrowed` (do not
-            // short-circuit to `NotApplicable` before this check).
-            if axes.string_growability_axis_load_bearing && indeterminate {
-                return Err(EmissionDiagnostic::UnderRefined {
-                    axis: "growability".to_string(),
-                });
-            }
-            let has_definite_transient = binding.uses.iter().any(|u| u.kind == UseKind::Transient);
-            if !owned_force && indeterminate && !has_definite_transient {
-                return Err(EmissionDiagnostic::UnderRefined {
-                    axis: "ownership".to_string(),
-                });
-            }
-            let growable = if ownership == Ownership::Borrowed {
-                Growability::NotApplicable
-            } else if axes.string_growability_axis_load_bearing {
-                let growth = binding
-                    .uses
-                    .iter()
-                    .any(|u| u.kind == UseKind::GrowthMutation);
-                if growth {
-                    Growability::Yes
-                } else {
-                    Growability::No
-                }
-            } else {
-                Growability::No
-            };
-            Ok((ownership, LifetimeScope::Caller, growable))
-        }
-    }
-}
-
-/// Run the forward borrow-checker-style meet over one program snapshot.
-pub fn analyze_lifetime_program(
-    program: &LifetimeProgram,
-    axes: &LanguageSpecAxes,
-) -> Result<BTreeMap<BindingId, LifetimeFacts>, EmissionDiagnostic> {
-    if let Some(c) = program.r3_markers.first() {
-        return Err(EmissionDiagnostic::OutOfR2Scope {
-            construct: r3_construct_name(*c),
-        });
-    }
-
-    let mut out = BTreeMap::new();
-    for (&id, binding) in &program.bindings {
-        let encoding = encoding_for_binding(binding)?;
-        let (ownership, lifetime, growable) = ownership_lifetime_growable_for(binding, axes)?;
-        out.insert(
-            id,
-            LifetimeFacts {
-                ownership,
-                lifetime,
-                growable,
-                encoding,
-            },
-        );
-    }
-    Ok(out)
-}
-
-fn r3_construct_name(c: R3Construct) -> String {
-    match c {
-        R3Construct::Closure => "closure".to_string(),
-        R3Construct::Async => "async".to_string(),
-        R3Construct::Pin => "pin".to_string(),
-    }
-}
diff --git a/src/v3/grounding_lifetime/src/axes.rs b/src/v3/grounding_lifetime/src/axes.rs
deleted file mode 100644
index 0268692ed5d..00000000000
--- a/src/v3/grounding_lifetime/src/axes.rs
+++ /dev/null
@@ -1,34 +0,0 @@
-//! LanguageSpec axis discipline consumed by the analyzer (lane 6 vocabulary).
-//!
-//! R2 fold only **reads** which axes are load-bearing for fail-closed checks;
-//! it does not author LanguageSpec rows (`t-ground-lifetime-analyzer.md` out-of-scope list).
-
-/// Axes declared by the target `LanguageSpec` relevant to lifetime analysis.
-///
-/// Input surface is intentionally tiny: only fields needed for R2 tests and
-/// `UnderRefined` on growability (`brief` test plan item 6).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct LanguageSpecAxes {
-    /// When true, `FreeMonoid<Char>` / string-like bindings must resolve
-    /// `Growability` to `Yes` or `No` from use structure; absent evidence fails
-    /// closed (`UnderRefined { axis: "growability" }`) per design-emission-model
-    /// open caveat at ~558–559.
-    pub string_growability_axis_load_bearing: bool,
-}
-
-impl LanguageSpecAxes {
-    /// Default for tests mirroring a populated LanguageSpec with string family.
-    pub fn example_rust_string_family() -> Self {
-        Self {
-            string_growability_axis_load_bearing: true,
-        }
-    }
-
-    /// Axes where growability is not load-bearing — exposes ownership proof gaps
-    /// that must not be papered over by `IndeterminateGrowability` alone.
-    pub fn string_family_growability_not_load_bearing() -> Self {
-        Self {
-            string_growability_axis_load_bearing: false,
-        }
-    }
-}
diff --git a/src/v3/grounding_lifetime/src/diagnostic.rs b/src/v3/grounding_lifetime/src/diagnostic.rs
deleted file mode 100644
index b17e322c225..00000000000
--- a/src/v3/grounding_lifetime/src/diagnostic.rs
+++ /dev/null
@@ -1,53 +0,0 @@
-//! Fail-closed diagnostic surface for the lifetime fold.
-//!
-//! ## Practice 4 — substrate authority LANDED (per #1133 dispatch 4355793511)
-//!
-//! The substrate `EmissionDiagnostic` carrier is now declared at
-//! `src/v3/std/diagnostics.dag` (T-Ground-Diagnostic; #1216 brief). This
-//! crate's Rust mirror below carries the same variant set; the lane-local
-//! mirror persists because `v3-grounding-lifetime` cannot consume
-//! reflected substrate types today (no `.dag` → Rust enum codegen path).
-//!
-//! **Lockstep discipline:** any new variant added to substrate
-//! `EmissionDiagnostic` MUST land here as a parallel Rust mirror update.
-//! Variant-name parity is enforced socially until reflection-driven
-//! Rust generation lands. The `axis: String` field below corresponds to
-//! the substrate carrier's `unspecified_axis: String` — naming will
-//! reconcile when the reflection codegen retires this mirror.
-//!
-//! **Q6.5 anti-bridge preserved:** `EmissionDiagnostic` is a SEPARATE
-//! substrate carrier from `CompilerDiagnosticKind`. Mapping to
-//! `Diagnostic` / `AnyDiagnosticKind` is Coercion-Fold / emit-pipeline
-//! consumer work, not authored here.
-
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct SiteRef {
-    pub label: String,
-}
-
-/// **Practice 4 — 🟡 YELLOW (lane-local scaffold).** Named trigger: substrate
-/// `EmissionDiagnostic` in T-Ground-Diagnostic + fold consumer mapping to
-/// `CompilerDiagnosticKind` / `Diagnostic` replaces this mirror; free-form
-/// `axis` / `construct` strings may later become typed carriers (review note).
-///
-/// Typed failures for the structural lifetime analyzer (`design-emission-model.md` + brief §F).
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum EmissionDiagnostic {
-    ContradictoryUse {
-        binding: String,
-        sites: Vec<SiteRef>,
-    },
-    UnderRefined {
-        axis: String,
-    },
-    OutOfR2Scope {
-        construct: String,
-    },
-    /// `Dag` → `LifetimeProgram` lowering is not wired yet, but the reflected DAG
-    /// carries **non-authority** declarations (user / test modules) with `data` or
-    /// `fn` surface — returning `Ok(empty)` would silently drop load-bearing program
-    /// shape (C-8 / modeling-discipline principle 1).
-    LifetimeProgramExtractionPending {
-        detail: String,
-    },
-}
diff --git a/src/v3/grounding_lifetime/src/extract.rs b/src/v3/grounding_lifetime/src/extract.rs
deleted file mode 100644
index e16f83b3e13..00000000000
--- a/src/v3/grounding_lifetime/src/extract.rs
+++ /dev/null
@@ -1,71 +0,0 @@
-//! Dag → `LifetimeProgram` projection (R2 extraction).
-//!
-//! Bootstrap fixtures (`Dag::new()`) embed a large declaration snapshot that is not yet
-//! lowered into the bind/use graph this lane analyzes, so extraction returns an **empty**
-//! program for fixture-only rows (the structural fold is validated via [`LifetimeProgram`]
-//! fixtures).
-//!
-//! Any runtime-appended **`data` or `fn` declaration** with load-bearing surface (`data` body
-//! or `fn` / `Arrow` connective) is treated as program surface we cannot project yet:
-//! fail-closed per C-8 instead of returning `Ok(empty)` and dropping facts.
-//!
-//! ## Authority gate (structural boundary)
-//!
-//! Fixture vs user rows are distinguished by **Substrate-declared declaration identity**, not
-//! by path-prefix matching on caller-controlled `span.file` strings on each declaration.
-//! After **PR #1221**, [`Dag::post_bootstrap_declaration_append_begin`] and
-//! [`Dag::is_runtime_appended_declaration`] stamp the first [`DeclarationId::raw`] allocated
-//! after embedded bootstrap construction; runtime lowering (`compile_to_dag`, etc.) appends
-//! rows at or above that bound. **Path-prefix staging** from #1218 / #1220 is **retired** here
-//! in favor of that boundary (cross-manager request #1130 satisfied on the compiler side).
-
-use v3_compiler::dag::{Dag, TypeConnective};
-
-use crate::analyze;
-use crate::axes::LanguageSpecAxes;
-use crate::diagnostic::EmissionDiagnostic;
-use crate::facts::LifetimeFacts;
-use crate::program::{BindingId, LifetimeProgram};
-
-use std::collections::BTreeMap;
-
-fn first_runtime_appended_lifetime_surface_declaration(dag: &Dag) -> Option<(String, String)> {
-    for decl in dag.declarations() {
-        if !dag.is_runtime_appended_declaration(decl.id) {
-            continue;
-        }
-        let surface =
-            decl.value_body.is_some() || matches!(&decl.connective, TypeConnective::Arrow { .. });
-        if !surface {
-            continue;
-        }
-        let name = decl
-            .name
-            .clone()
-            .unwrap_or_else(|| format!("declaration#{}", decl.id.raw()));
-        return Some((name, decl.span.file.clone()));
-    }
-    None
-}
-
-/// Project the reflected `Dag` into the lifetime analyzer’s program slice.
-///
-/// Fail-closed on constructs the R2 analyzer does not model (once lowering surfaces them).
-pub fn extract_lifetime_program(dag: &Dag) -> Result<LifetimeProgram, EmissionDiagnostic> {
-    if let Some((name, file)) = first_runtime_appended_lifetime_surface_declaration(dag) {
-        return Err(EmissionDiagnostic::LifetimeProgramExtractionPending {
-            detail: format!("{name} ({file})"),
-        });
-    }
-    Ok(LifetimeProgram::empty())
-}
-
-/// Public entry: **`Dag` + `LanguageSpecAxes` only** — no annotation table, no env sidecar
-/// (`t-ground-lifetime-analyzer.md` test plan item 7).
-pub fn analyze_lifetime_facts(
-    dag: &Dag,
-    axes: &LanguageSpecAxes,
-) -> Result<BTreeMap<BindingId, LifetimeFacts>, EmissionDiagnostic> {
-    let program = extract_lifetime_program(dag)?;
-    analyze::analyze_lifetime_program(&program, axes)
-}
diff --git a/src/v3/grounding_lifetime/src/facts.rs b/src/v3/grounding_lifetime/src/facts.rs
deleted file mode 100644
index df433fcb5c8..00000000000
--- a/src/v3/grounding_lifetime/src/facts.rs
+++ /dev/null
@@ -1,93 +0,0 @@
-//! `LifetimeFacts` carrier and per-axis sums.
-//!
-//! # P1 substrate-fact introduction (INVARIANTS.md#p1-modeling-faithfulness)
-//!
-//! **Step 1 (DAG-ancestor):** These types are new lane-local carriers for
-//! program-side intent that mirror the worked-example substrate rows in
-//! `docs/design-emission-model.md:534-546` (`ownership`, `growable`,
-//! `lifetime` on target inhabitants). They do not duplicate an existing
-//! single `LifetimeFacts` declaration in `dsl/std/`; the fold consumes facts
-//! keyed per **program binding** (parallel authority to target-side
-//! `inhabits` rows, not a sibling of `Declaration`). Attachment target for
-//! a future reflected substrate is **per binding id** alongside lowering
-//! output (default position in the brief: structural fact on the binding).
-//!
-//! **Step 2 (Coproduct-vs-coordinate):** `LifetimeFacts` is a **record**
-//! (four axes are coordinates, all required per binding). Each axis field
-//! is a **sum** (`Ownership`, `LifetimeScope`, `Growability`, `Encoding`):
-//! one alternative at a time per axis. The **target** substrate rows at
-//! `design-emission-model.md:534-546` name additional alternatives (`Conditional`,
-//! `Source`, …) on the inhabitance side; this **program** carrier only carries
-//! variants the R2 fold can emit today (`Owned` / `Borrowed`; `Self_` / `Caller`)
-//! so the sum stays aligned with production paths (CODING.md — no inert arms).
-//!
-//! **Step 3 (Primitive-vs-lens-extensible):** `Ownership`, `LifetimeScope`,
-//! and `Growability` are substrate-primitive axes (every Shape-A target
-//! carries them computationally). `Encoding` is **lens-extensible** via
-//! `LanguageSpec` vocabulary once lane 6 lands; until then the analyzer
-//! carries a closed stub (`Encoding`) sufficient for `FreeMonoid<Char>` /
-//! UTF-8 parity in Examples 3–4.
-//!
-//! ## Practice 4 (`docs/modeling-discipline.md` §4, coproduct checkpoint)
-//!
-//! Each **multi-variant** `pub enum` below carries a 🟢/🟡 classification in its
-//! doc comment (ledger or named dissolution trigger). `Encoding` is currently a
-//! single-variant stub (N \< 2); when LanguageSpec adds axis variants, add a
-//! checkpoint there too.
-
-/// **Practice 4 — 🟢 GREEN (R2 program-intent slice).** `Owned` / `Borrowed`
-/// are the irreducible outcomes this fold emits today; wider ownership lattice
-/// (`Conditional`, …) stays on target inhabitance + R3 scope per
-/// `design-emission-model.md:635`, not as inert arms here.
-///
-/// Ownership intent derived from use sites (R2).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum Ownership {
-    Owned,
-    Borrowed,
-}
-
-/// **Practice 4 — 🟢 GREEN (R2 program-intent slice).** `Self_` / `Caller`
-/// exhaust lifetime roles derived for (a)–(c) in the brief; `Source` /
-/// `Conditional` remain target-side / R3 (`design-emission-model.md:635`).
-///
-/// Lexical / call structural lifetime scope for the value (R2).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum LifetimeScope {
-    /// Module / static-like duration for top-level data and self-contained returns.
-    Self_,
-    /// Function parameter bounded by the caller’s frame.
-    Caller,
-}
-
-/// **Practice 4 — 🟢 GREEN (R2 growability slice).** Yes / No / NotApplicable
-/// exhausts growability facts this analyzer derives for the string-family R2
-/// tests; container families beyond that wait extraction + LanguageSpec axes.
-///
-/// Whether a growable container is required (R2 structural use scan).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum Growability {
-    Yes,
-    No,
-    NotApplicable,
-}
-
-/// Encoding axis — stub until LanguageSpec declares the full vocabulary.
-///
-/// **Practice 4 — single arm today (fewer than two variants).** When the axis
-/// becomes a real multi-variant sum in this crate, add a 🟢/🟡 checkpoint per
-/// `modeling-discipline.md` §4.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum Encoding {
-    /// `.dag` `String` / `FreeMonoid<Char>` UTF-8 sequence (Examples 3–4).
-    Utf8FreeMonoidChar,
-}
-
-/// Per-binding facts the Coercion-Fold consumes (`t-ground-lifetime-analyzer.md` §C).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub struct LifetimeFacts {
-    pub ownership: Ownership,
-    pub lifetime: LifetimeScope,
-    pub growable: Growability,
-    pub encoding: Encoding,
-}
diff --git a/src/v3/grounding_lifetime/src/lib.rs b/src/v3/grounding_lifetime/src/lib.rs
deleted file mode 100644
index 5352a074d15..00000000000
--- a/src/v3/grounding_lifetime/src/lib.rs
+++ /dev/null
@@ -1,358 +0,0 @@
-//! T-Ground-Lifetime-Analyzer — R2 structural ownership / lifetime / growability fold.
-//!
-//! **Scope:** (a) top-level data bindings, (b) function parameters with transient vs
-//! escaping use, (c) function return values — per `docs/briefs/t-ground-lifetime-analyzer.md`
-//! and `docs/design-emission-model.md:635`. **No annotation surface** (`THESIS.md:171`).
-//!
-//! ## P1 receipts (`INVARIANTS.md` §P1, brief §G)
-//!
-//! See [`facts`](crate::facts) module rustdoc for Step 1–3 citations.
-//!
-//! ## Pipeline split
-//!
-//! - [`analyze_lifetime_program`](analyze::analyze_lifetime_program) is the structural fold
-//!   over a [`LifetimeProgram`](program::LifetimeProgram) (bindings + classified use sites).
-//! - [`extract_lifetime_program`](extract::extract_lifetime_program) projects `Dag` →
-//!   `LifetimeProgram` (bootstrap authority corpora only; **fail-closed** on user/test
-//!   `data` / `fn` surface until lowering exposes the R2 bind/use graph).
-//! - [`analyze_lifetime_facts`](extract::analyze_lifetime_facts) is the public entry:
-//!   **`(&Dag, &LanguageSpecAxes)` only** — test plan item 7 / no annotation sidecar.
-
-mod analyze;
-pub mod axes;
-pub mod diagnostic;
-pub mod facts;
-pub mod program;
-
-mod extract;
-
-pub use analyze::analyze_lifetime_program;
-pub use axes::LanguageSpecAxes;
-pub use diagnostic::{EmissionDiagnostic, SiteRef};
-pub use extract::{analyze_lifetime_facts, extract_lifetime_program};
-pub use facts::{Encoding, Growability, LifetimeFacts, LifetimeScope, Ownership};
-pub use program::{
-    BindingDef, BindingId, BindingRole, LifetimeProgram, ProgramTypeFamily, R3Construct, UseKind,
-    UseSite,
-};
-
-use std::collections::BTreeMap;
-
-/// Map from binding id to derived facts for one analysis pass.
-pub type LifetimeAnalysisReport = BTreeMap<BindingId, LifetimeFacts>;
-
-#[cfg(test)]
-mod tests {
-    use std::collections::BTreeMap;
-
-    use v3_compiler::dag::Dag;
-
-    use super::*;
-
-    fn facts_for(program: &LifetimeProgram) -> LifetimeAnalysisReport {
-        analyze_lifetime_program(program, &LanguageSpecAxes::example_rust_string_family())
-            .expect("analysis ok")
-    }
-
-    /// Test plan item 1 — Example 3 (`design-emission-model.md:523-583`).
-    #[test]
-    fn example3_top_level_string_derives_owned_self_non_growable() {
-        let program = LifetimeProgram::example3_top_level_string_name();
-        let m = facts_for(&program);
-        let f = m.get(&BindingId(0)).expect("name binding");
-        assert_eq!(f.ownership, Ownership::Owned);
-        assert_eq!(f.lifetime, LifetimeScope::Self_);
-        assert_eq!(f.growable, Growability::No);
-        assert_eq!(f.encoding, Encoding::Utf8FreeMonoidChar);
-    }
-
-    /// Test plan item 2 — Example 4 Case A (`design-emission-model.md:585-635`).
-    #[test]
-    fn example4_case_a_param_transient_borrowed_caller() {
-        let program = LifetimeProgram::example4_case_a_param_n_transient();
-        let m = facts_for(&program);
-        let f = m.get(&BindingId(0)).expect("n");
-        assert_eq!(f.ownership, Ownership::Borrowed);
-        assert_eq!(f.lifetime, LifetimeScope::Caller);
-        assert_eq!(f.growable, Growability::NotApplicable);
-    }
-
-    /// Test plan item 3 — Example 4 Case B.
-    #[test]
-    fn example4_case_b_param_stored_owned() {
-        let program = LifetimeProgram::example4_case_b_param_n_stored();
-        let m = facts_for(&program);
-        let f = m.get(&BindingId(0)).expect("n");
-        assert_eq!(f.ownership, Ownership::Owned);
-        assert_eq!(f.lifetime, LifetimeScope::Caller);
-    }
-
-    /// Test plan item 4 — function return is always `Owned` (brief).
-    #[test]
-    fn function_return_binding_is_owned() {
-        let program = LifetimeProgram::example_function_return_owned();
-        let m = facts_for(&program);
-        let f = m.get(&BindingId(0)).expect("ret");
-        assert_eq!(f.ownership, Ownership::Owned);
-        assert_eq!(f.lifetime, LifetimeScope::Self_);
-        assert_eq!(f.growable, Growability::NotApplicable);
-    }
-
-    /// Test plan item 5 — contradictory use sites fail closed.
-    #[test]
-    fn contradictory_use_emits_diagnostic() {
-        let program = LifetimeProgram::contradictory_borrow_and_escape();
-        let err =
-            analyze_lifetime_program(&program, &LanguageSpecAxes::example_rust_string_family())
-                .expect_err("contradiction");
-        match err {
-            EmissionDiagnostic::ContradictoryUse { binding, sites } => {
-                assert_eq!(binding, "x");
-                assert_eq!(sites.len(), 2);
-            }
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-
-    /// Test plan item 6 — under-refined growability axis.
-    #[test]
-    fn under_refined_growability_when_indeterminate() {
-        let program = LifetimeProgram::underrefined_growability_indeterminate();
-        let err =
-            analyze_lifetime_program(&program, &LanguageSpecAxes::example_rust_string_family())
-                .expect_err("under refined");
-        match err {
-            EmissionDiagnostic::UnderRefined { axis } => assert_eq!(axis, "growability"),
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-
-    /// Test plan item 7 — public entrypoint input domain is `(Dag, LanguageSpecAxes)` only.
-    #[test]
-    fn analyzer_public_entrypoint_is_dag_and_axes_only() {
-        let dag = Dag::new();
-        let axes = LanguageSpecAxes::example_rust_string_family();
-        let report = analyze_lifetime_facts(&dag, &axes).expect("bootstrap dag ok");
-        assert!(report.is_empty());
-    }
-
-    /// Bootstrap `Dag::new()` extraction stays empty until lowering surfaces R2 bind/use graphs.
-    #[test]
-    fn extract_bootstrap_dag_yields_empty_lifetime_program() {
-        let dag = Dag::new();
-        let program = extract_lifetime_program(&dag).expect("extract ok");
-        assert!(program.bindings.is_empty());
-        assert!(program.r3_markers.is_empty());
-    }
-
-    /// User- or test-range `data` / `fn` declarations must not map to `Ok(empty)` (C-8).
-    #[test]
-    fn extract_fail_closed_for_user_range_module_with_data_or_fn() {
-        let source =
-            include_str!("../../compiler/tests/fixtures/r1_mock_backed_invariant_gate.dag");
-        let file = "src/v3/compiler/tests/fixtures/r1_mock_backed_invariant_gate.dag";
-        let dag = v3_compiler::compile_to_dag(source, file).expect("fixture compile");
-        let err = extract_lifetime_program(&dag).expect_err("extraction must fail closed");
-        match err {
-            EmissionDiagnostic::LifetimeProgramExtractionPending { detail } => {
-                assert!(
-                    detail.contains("mock_service_status")
-                        || detail.contains("r1_mock_backed_invariant_gate"),
-                    "unexpected detail: {detail}"
-                );
-            }
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-
-    /// User-range `data` must be gated by structural declaration identity (`Dag` append
-    /// boundary), not by `span.file` prefixes: an authority-looking path must not exempt
-    /// runtime-appended surface from fail-closed extraction.
-    #[test]
-    fn extract_fail_closed_user_data_with_authority_looking_span_file() {
-        let source = "data spoofed_authority_span_bait: Int = 0";
-        let file = "dsl/std/bootstrap_fake.dag";
-        let dag = v3_compiler::compile_to_dag(source, file).expect("minimal compile");
-        let err = extract_lifetime_program(&dag).expect_err("extraction must fail closed");
-        match err {
-            EmissionDiagnostic::LifetimeProgramExtractionPending { detail } => {
-                assert!(
-                    detail.contains("spoofed_authority_span_bait"),
-                    "unexpected detail: {detail}"
-                );
-                assert!(
-                    detail.contains(file),
-                    "detail should include the spoof span path for debugging: {detail}"
-                );
-            }
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-
-    #[test]
-    fn function_param_indeterminate_growability_fails_closed_even_when_borrowed() {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "n",
-                BindingRole::FunctionParameter {
-                    function: "greet".to_string(),
-                },
-                vec![UseSite {
-                    kind: UseKind::IndeterminateGrowability,
-                    site_label: "opaque.call".to_string(),
-                }],
-            ),
-        );
-        let program = LifetimeProgram {
-            bindings,
-            r3_markers: vec![],
-        };
-        let err =
-            analyze_lifetime_program(&program, &LanguageSpecAxes::example_rust_string_family())
-                .expect_err("growability under-refined");
-        match err {
-            EmissionDiagnostic::UnderRefined { axis } => assert_eq!(axis, "growability"),
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-
-    /// Opaque growability is not a transient proof: without `Transient`, do not
-    /// conclude `Borrowed` when the growability axis is not load-bearing (no
-    /// growability diagnostic to catch the gap).
-    #[test]
-    fn function_param_indeterminate_without_transient_fails_ownership_when_growability_optional() {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "n",
-                BindingRole::FunctionParameter {
-                    function: "greet".to_string(),
-                },
-                vec![UseSite {
-                    kind: UseKind::IndeterminateGrowability,
-                    site_label: "opaque.call".to_string(),
-                }],
-            ),
-        );
-        let program = LifetimeProgram {
-            bindings,
-            r3_markers: vec![],
-        };
-        let err = analyze_lifetime_program(
-            &program,
-            &LanguageSpecAxes::string_family_growability_not_load_bearing(),
-        )
-        .expect_err("ownership under-refined");
-        match err {
-            EmissionDiagnostic::UnderRefined { axis } => assert_eq!(axis, "ownership"),
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-
-    #[test]
-    fn function_param_transient_plus_indeterminate_ok_when_growability_optional() {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "n",
-                BindingRole::FunctionParameter {
-                    function: "greet".to_string(),
-                },
-                vec![
-                    UseSite {
-                        kind: UseKind::Transient,
-                        site_label: "greet.body.read".to_string(),
-                    },
-                    UseSite {
-                        kind: UseKind::IndeterminateGrowability,
-                        site_label: "opaque.call".to_string(),
-                    },
-                ],
-            ),
-        );
-        let program = LifetimeProgram {
-            bindings,
-            r3_markers: vec![],
-        };
-        let f = analyze_lifetime_program(
-            &program,
-            &LanguageSpecAxes::string_family_growability_not_load_bearing(),
-        )
-        .expect("analysis ok")
-        .remove(&BindingId(0))
-        .expect("n");
-        assert_eq!(f.ownership, Ownership::Borrowed);
-        assert_eq!(f.growable, Growability::NotApplicable);
-    }
-
-    /// Test plan item 8 — R3 constructs rejected.
-    #[test]
-    fn r3_construct_out_of_scope() {
-        let program = LifetimeProgram::with_r3_construct(R3Construct::Closure);
-        let err =
-            analyze_lifetime_program(&program, &LanguageSpecAxes::example_rust_string_family())
-                .expect_err("r3");
-        match err {
-            EmissionDiagnostic::OutOfR2Scope { construct } => {
-                assert_eq!(construct, "closure");
-            }
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-
-    /// Growth mutation forces `Growability::Yes` on top-level string-like binding.
-    #[test]
-    fn growth_mutation_forces_yes() {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "buf",
-                BindingRole::TopLevelData,
-                vec![UseSite {
-                    kind: UseKind::GrowthMutation,
-                    site_label: "buf.push".to_string(),
-                }],
-            ),
-        );
-        let program = LifetimeProgram {
-            bindings,
-            r3_markers: vec![],
-        };
-        let f = facts_for(&program)
-            .get(&BindingId(0))
-            .copied()
-            .expect("buf");
-        assert_eq!(f.growable, Growability::Yes);
-        assert_eq!(f.ownership, Ownership::Owned);
-    }
-
-    #[test]
-    fn unclassified_type_family_fails_closed_on_encoding_axis() {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef {
-                name: "opaque".to_string(),
-                role: BindingRole::TopLevelData,
-                uses: vec![],
-                type_family: ProgramTypeFamily::Unclassified,
-            },
-        );
-        let program = LifetimeProgram {
-            bindings,
-            r3_markers: vec![],
-        };
-        let err =
-            analyze_lifetime_program(&program, &LanguageSpecAxes::example_rust_string_family())
-                .expect_err("encoding under-refined");
-        match err {
-            EmissionDiagnostic::UnderRefined { axis } => assert_eq!(axis, "encoding"),
-            other => panic!("unexpected diagnostic: {other:?}"),
-        }
-    }
-}
diff --git a/src/v3/grounding_lifetime/src/program.rs b/src/v3/grounding_lifetime/src/program.rs
deleted file mode 100644
index 4a2b9de589a..00000000000
--- a/src/v3/grounding_lifetime/src/program.rs
+++ /dev/null
@@ -1,263 +0,0 @@
-//! Structural program slice the analyzer folds over.
-//!
-//! Populated from `Dag` via [`crate::extract::extract_lifetime_program`]. Bootstrap
-//! corpora map to an empty program until lowering surfaces R2 bind graphs; **non-authority**
-//! `data` / `fn` surface fails closed instead of returning an empty program (C-8).
-//! Worked examples 3–4 are encoded as explicit [`LifetimeProgram`] values in unit tests
-//! until extraction is complete.
-//!
-//! ## Practice 4 (`docs/modeling-discipline.md` §4)
-//!
-//! Multi-variant `pub enum` types in this module carry 🟢/🟡 checkpoints on the
-//! type (ledger or named dissolution trigger).
-
-use std::collections::BTreeMap;
-
-/// Stable key for a analyzed binding within one `LifetimeProgram` snapshot.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, PartialOrd, Ord, Hash)]
-pub struct BindingId(pub u32);
-
-/// **Practice 4 — 🟡 YELLOW.** Named trigger: `extract_lifetime_program` + typed
-/// binding resolution classify `Unclassified` away; LanguageSpec lane 6 grows
-/// the encoding vocabulary this family keys into.
-///
-/// Structural classification of the binding’s type for encoding / algebra facts.
-///
-/// Extraction must set this from reflection; **no silent default** to UTF-8 when
-/// the algebra is unknown — the fold fails closed on the encoding axis instead.
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum ProgramTypeFamily {
-    /// R2 Examples 3–4: `.dag` `String` / UTF-8 `FreeMonoid<Char>`.
-    FreeMonoidCharUtf8,
-    /// Lowering has not yet classified this binding’s algebra for encoding.
-    Unclassified,
-}
-
-/// **Practice 4 — 🟡 YELLOW.** Named trigger: lowered `Dag` / declaration surface
-/// supplies structural roles (ids + spans), replacing string `function` labels and
-/// collapsing this sum toward reflected substrate facts.
-///
-/// (a) Top-level `data`, (b) function parameter, (c) return position — brief R2 scope.
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub enum BindingRole {
-    /// (a) Top-level `data` binding at module scope — Example 3 `name`.
-    TopLevelData,
-    /// (b) Function parameter — Example 4 `n`.
-    FunctionParameter { function: String },
-    /// (c) Value leaving a function via return position.
-    FunctionReturn { function: String },
-}
-
-/// **Practice 4 — 🟡 YELLOW.** Named trigger: lowering walks real store/call/return
-/// sites into reflected use witnesses; test-only discriminators (`BorrowExclusive`,
-/// `IndeterminateGrowability`) dissolve per modeling-discipline §4 patterns once
-/// extract is authoritative (not `// scaffold:` — tracked in lane PR / brief).
-///
-/// Structural classification of a single use site (`t-ground-lifetime-analyzer.md` §D).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum UseKind {
-    /// Read / pass-through only; does not store past callee, escape, or force ownership.
-    Transient,
-    /// Stores in a binding that outlives the parameter’s call frame, or equivalent escape.
-    StoreOrEscape,
-    /// Growth / mutating container ops (`.push`, `.append`, …) — forces `Growability::Yes`.
-    GrowthMutation,
-    /// Forces an exclusive borrow discipline incompatible with `StoreOrEscape` on the same binding.
-    ///
-    /// Used only to model contradictory-use diagnostics (test plan item 5).
-    BorrowExclusive,
-    /// Use is visible but does not witness either growth or definite non-growth
-    /// (dynamic dispatch / opaque callee — `design-emission-model.md` ~558).
-    ///
-    /// **Not** a substitute for a definite `Transient` use on function parameters:
-    /// Case-A `Borrowed` still requires at least one transient witness; opaque
-    /// growability alone must not bypass that proof.
-    IndeterminateGrowability,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct UseSite {
-    pub kind: UseKind,
-    /// Diagnostic label (file span wiring is Coercion-Fold / diagnostic renderer).
-    pub site_label: String,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq, Hash)]
-pub struct BindingDef {
-    pub name: String,
-    pub role: BindingRole,
-    pub uses: Vec<UseSite>,
-    pub type_family: ProgramTypeFamily,
-}
-
-impl BindingDef {
-    /// Well-formed R2 string examples (`FreeMonoid<Char>` UTF-8 is structurally known).
-    pub fn r2_string_binding(
-        name: impl Into<String>,
-        role: BindingRole,
-        uses: Vec<UseSite>,
-    ) -> Self {
-        Self {
-            name: name.into(),
-            role,
-            uses,
-            type_family: ProgramTypeFamily::FreeMonoidCharUtf8,
-        }
-    }
-}
-
-/// **Practice 4 — 🟢 GREEN (R2 boundary list).** Labels mirror the director-locked
-/// R3 deferral at `design-emission-model.md:635`; each variant names one refused
-/// construct — no richer field decomposition at this analyzer boundary.
-///
-/// R3 constructs rejected at the analyzer boundary (`design-emission-model.md:635`).
-#[derive(Debug, Clone, Copy, PartialEq, Eq, Hash)]
-pub enum R3Construct {
-    Closure,
-    Async,
-    Pin,
-}
-
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub struct LifetimeProgram {
-    pub bindings: BTreeMap<BindingId, BindingDef>,
-    pub r3_markers: Vec<R3Construct>,
-}
-
-impl LifetimeProgram {
-    pub fn empty() -> Self {
-        Self {
-            bindings: BTreeMap::new(),
-            r3_markers: Vec::new(),
-        }
-    }
-
-    /// Example 3: `data name: String = "Alice"` with no growth / no escape uses.
-    pub fn example3_top_level_string_name() -> Self {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding("name", BindingRole::TopLevelData, vec![]),
-        );
-        Self {
-            bindings,
-            r3_markers: vec![],
-        }
-    }
-
-    /// Example 4 Case A: transient uses of parameter `n` in `greet`.
-    pub fn example4_case_a_param_n_transient() -> Self {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "n",
-                BindingRole::FunctionParameter {
-                    function: "greet".to_string(),
-                },
-                vec![UseSite {
-                    kind: UseKind::Transient,
-                    site_label: "greet.body.transient".to_string(),
-                }],
-            ),
-        );
-        Self {
-            bindings,
-            r3_markers: vec![],
-        }
-    }
-
-    /// Example 4 Case B: parameter stored / escaped → owned.
-    pub fn example4_case_b_param_n_stored() -> Self {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "n",
-                BindingRole::FunctionParameter {
-                    function: "greet".to_string(),
-                },
-                vec![UseSite {
-                    kind: UseKind::StoreOrEscape,
-                    site_label: "greet.body.store".to_string(),
-                }],
-            ),
-        );
-        Self {
-            bindings,
-            r3_markers: vec![],
-        }
-    }
-
-    pub fn example_function_return_owned() -> Self {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "ret",
-                BindingRole::FunctionReturn {
-                    function: "greet".to_string(),
-                },
-                vec![],
-            ),
-        );
-        Self {
-            bindings,
-            r3_markers: vec![],
-        }
-    }
-
-    pub fn contradictory_borrow_and_escape() -> Self {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "x",
-                BindingRole::FunctionParameter {
-                    function: "f".to_string(),
-                },
-                vec![
-                    UseSite {
-                        kind: UseKind::BorrowExclusive,
-                        site_label: "f.use.borrow".to_string(),
-                    },
-                    UseSite {
-                        kind: UseKind::StoreOrEscape,
-                        site_label: "f.use.escape".to_string(),
-                    },
-                ],
-            ),
-        );
-        Self {
-            bindings,
-            r3_markers: vec![],
-        }
-    }
-
-    /// Under-determination: growability axis is load-bearing but a use site is indeterminate.
-    pub fn underrefined_growability_indeterminate() -> Self {
-        let mut bindings = BTreeMap::new();
-        bindings.insert(
-            BindingId(0),
-            BindingDef::r2_string_binding(
-                "mystery",
-                BindingRole::TopLevelData,
-                vec![UseSite {
-                    kind: UseKind::IndeterminateGrowability,
-                    site_label: "opaque.call".to_string(),
-                }],
-            ),
-        );
-        Self {
-            bindings,
-            r3_markers: vec![],
-        }
-    }
-
-    pub fn with_r3_construct(c: R3Construct) -> Self {
-        Self {
-            bindings: BTreeMap::new(),
-            r3_markers: vec![c],
-        }
-    }
-}
diff --git a/src/v3/grounding_tests/Cargo.toml b/src/v3/grounding_tests/Cargo.toml
deleted file mode 100644
index f90a61ed104..00000000000
--- a/src/v3/grounding_tests/Cargo.toml
+++ /dev/null
@@ -1,18 +0,0 @@
-[package]
-name = "v3-grounding-tests"
-version.workspace = true
-edition.workspace = true
-license.workspace = true
-publish = false
-
-# T-Ground-Tests — L4 routing-stability Stratum A (name-keyed parity) against
-# LanguageSpec Phase 1 `MethodTemplateContract` row authorities. Sibling to
-# grounding_inhabitance_mirror / grounding_engine / grounding_lifetime / grounding_coercion_fold;
-# does not touch `src/v3/compiler/` SG-0.
-
-[dependencies]
-v3-compiler = { path = "../compiler" }
-v3-grounding-coercion-fold = { path = "../grounding_coercion_fold" }
-
-[dev-dependencies]
-v3-grounding-lifetime = { path = "../grounding_lifetime" }
diff --git a/src/v3/grounding_tests/src/diagnostic.rs b/src/v3/grounding_tests/src/diagnostic.rs
deleted file mode 100644
index eefda9fb04b..00000000000
--- a/src/v3/grounding_tests/src/diagnostic.rs
+++ /dev/null
@@ -1,89 +0,0 @@
-//! Lane-local fail-closed outcomes for T-Ground-Tests.
-//!
-//! The shared `EmissionDiagnostic` substrate carrier **LANDED** at
-//! `src/v3/std/diagnostics.dag` per #1216 brief + #1133 dispatch 4355793511.
-//! However, this crate's variants (`StratumARowCountMismatch` with usize
-//! fields, `StratumARegistryResolutionFailed { row_index, ... }`,
-//! `StratumBPrerequisiteMissing`, etc.)
-//! are **test-outcome-specific** — they carry test-side measurement
-//! coordinates that don't naturally fit the fold/emission failure pattern
-//! the substrate carrier authors. These stay lane-local pending a
-//! follow-up dispatch deciding whether to (a) extend the substrate
-//! carrier with test-side variants, (b) author a sibling
-//! `GroundingTestsDiagnostic` substrate carrier, or (c) keep the
-//! lane-local Rust mirror permanently as test-outcome scaffolding.
-//! Manager-acknowledged in dispatch 4355793511.
-
-use std::fmt;
-
-/// Typed failure for Stratum A routing-parity checks (`t-ground-tests.md` §Test plan item 1).
-///
-/// **Practice 4 (`docs/modeling-discipline.md`): 🟡 YELLOW** — lane-local `Result` carrier until
-/// these cases fold into shared `EmissionDiagnostic` (`t-ground-diagnostic.md` / manager #1216).
-#[derive(Debug, Clone, PartialEq, Eq)]
-pub enum GroundingTestsDiagnostic {
-    /// `List<MethodTemplateContract>` row count drift vs Director-locked Phase 1 shape.
-    StratumARowCountMismatch {
-        list_name: String,
-        expected: usize,
-        actual: usize,
-    },
-    /// `dag_method: MethodRef` did not resolve to a `MethodDeclaration` name literal.
-    StratumARegistryResolutionFailed {
-        list_name: String,
-        row_index: usize,
-        detail: String,
-    },
-    /// Two `generated_full_bootstrap_dag()` runs produced different Stratum-A **list** digests for
-    /// the same `list_name` (list-scoped witness; not a single `dag_method` row).
-    StratumALockstepListDigestMismatch { list_name: String, detail: String },
-    /// Expected Substrate declaration or connective shape was absent or non-conforming.
-    StratumADagProjectionFailed { step: &'static str, detail: String },
-    /// Stratum B cannot run production algebra-homomorphism assertions until a named upstream
-    /// prerequisite is present. This is a readiness diagnostic, not a skipped production test.
-    StratumBPrerequisiteMissing {
-        prerequisite: &'static str,
-        detail: String,
-    },
-}
-
-impl fmt::Display for GroundingTestsDiagnostic {
-    fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
-        match self {
-            GroundingTestsDiagnostic::StratumARowCountMismatch {
-                list_name,
-                expected,
-                actual,
-            } => write!(
-                f,
-                "Stratum A row-count mismatch for `{list_name}`: expected {expected}, got {actual}"
-            ),
-            GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name,
-                row_index,
-                detail,
-            } => write!(
-                f,
-                "Stratum A registry resolution failed for `{list_name}` row {row_index}: {detail}"
-            ),
-            GroundingTestsDiagnostic::StratumALockstepListDigestMismatch { list_name, detail } => {
-                write!(
-                    f,
-                    "Stratum A lockstep list-digest mismatch for `{list_name}`: {detail}"
-                )
-            }
-            GroundingTestsDiagnostic::StratumADagProjectionFailed { step, detail } => {
-                write!(f, "Stratum A Dag projection failed at `{step}`: {detail}")
-            }
-            GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-                prerequisite,
-                detail,
-            } => write!(
-                f,
-                "Stratum B prerequisite `{prerequisite}` is not ready: {detail}"
-            ),
-        }
-    }
-}
-
-impl std::error::Error for GroundingTestsDiagnostic {}
diff --git a/src/v3/grounding_tests/src/emission_diagnostic_lockstep.rs b/src/v3/grounding_tests/src/emission_diagnostic_lockstep.rs
deleted file mode 100644
index 4cc736b2cee..00000000000
--- a/src/v3/grounding_tests/src/emission_diagnostic_lockstep.rs
+++ /dev/null
@@ -1,207 +0,0 @@
-//! Lockstep ratchet: lane-local `EmissionDiagnostic` Rust mirrors ⊆ substrate sum (`diagnostics.dag`).
-//!
-//! **Authority:** substrate `type EmissionDiagnostic` in `src/v3/std/diagnostics.dag` — variants read from
-//! [`v3_compiler::generated_full_bootstrap_dag`] via `TypeConnective::Disj` (same discipline as other
-//! substrate sum projections in integration tests).
-//!
-//! **Mirrors (bridging until codegen):** each lane ships `include_str!` of its `diagnostic.rs` and extracts
-//! `pub enum EmissionDiagnostic` variant names with a small line + brace-depth scanner — intentional
-//! textual bridge, parallel to the closure-ledger gate’s `include_str!(../r2-closure-ledger.md)`.
-//!
-//! **Retirement:** this module deletes when `.dag → Rust enum codegen` consumes substrate
-//! `EmissionDiagnostic` directly and lane-local mirrors are removed (mirrors’ docstrings already name this).
-
-use std::collections::BTreeSet;
-
-use v3_compiler::dag::{Dag, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-/// Lane-local mirrors enumerated by relative path from `grounding_tests/src/` (`include_str!` bridging).
-const MIRROR_CROSS_TARGET_META: &str =
-    include_str!("../../grounding_cross_target_meta/src/diagnostic.rs");
-const MIRROR_LIFETIME: &str = include_str!("../../grounding_lifetime/src/diagnostic.rs");
-const MIRROR_COERCION_FOLD: &str = include_str!("../../grounding_coercion_fold/src/diagnostic.rs");
-
-fn substrate_emission_diagnostic_variant_labels(dag: &Dag) -> BTreeSet<String> {
-    let decl = dag
-        .declaration_by_name("EmissionDiagnostic")
-        .expect("bootstrap Dag must declare EmissionDiagnostic (diagnostics.dag)");
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("EmissionDiagnostic must be a Disj sum; got {other:?}"),
-    }
-}
-
-fn extract_pub_enum_emission_diagnostic_body(src: &str) -> &str {
-    let key = "pub enum EmissionDiagnostic";
-    let idx = src
-        .find(key)
-        .unwrap_or_else(|| panic!("mirror source must declare `{key}`"));
-    let after_key = &src[idx + key.len()..];
-    let open_rel = after_key
-        .find('{')
-        .expect("EmissionDiagnostic enum must open with `{`");
-    let open_idx = idx + key.len() + open_rel;
-    extract_matching_brace_body(src, open_idx)
-}
-
-/// Returns inner slice for `{` at `open_idx`, excluding the outermost braces.
-fn extract_matching_brace_body(full: &str, open_idx: usize) -> &str {
-    let b = full.as_bytes();
-    assert_eq!(b[open_idx], b'{', "expected `{{` at open_idx");
-    let mut depth = 1usize;
-    let body_start = open_idx + 1;
-    let mut i = body_start;
-    while i < b.len() && depth > 0 {
-        if b[i] == b'/' && i + 1 < b.len() && b[i + 1] == b'/' {
-            i += 2;
-            while i < b.len() && b[i] != b'\n' {
-                i += 1;
-            }
-            continue;
-        }
-        match b[i] {
-            b'"' => {
-                i += 1;
-                while i < b.len() {
-                    match b[i] {
-                        b'\\' => i += 2,
-                        b'"' => {
-                            i += 1;
-                            break;
-                        }
-                        _ => i += 1,
-                    }
-                }
-            }
-            b'{' => {
-                depth += 1;
-                i += 1;
-            }
-            b'}' => {
-                depth -= 1;
-                if depth == 0 {
-                    return &full[body_start..i];
-                }
-                i += 1;
-            }
-            _ => i += 1,
-        }
-    }
-    panic!("unbalanced braces while scanning EmissionDiagnostic enum body");
-}
-
-fn variant_labels_from_enum_body(body: &str) -> BTreeSet<String> {
-    let mut depth = 0i32;
-    let mut out = BTreeSet::new();
-    for line in body.lines() {
-        let depth_here = depth;
-        if depth_here == 0 {
-            if let Some(name) = variant_header_from_line(line) {
-                out.insert(name);
-            }
-        }
-        for c in line.chars() {
-            match c {
-                '{' => depth += 1,
-                '}' => depth -= 1,
-                _ => {}
-            }
-        }
-    }
-    out
-}
-
-fn variant_header_from_line(line: &str) -> Option<String> {
-    let line = line.trim();
-    if line.is_empty() || line.starts_with("//") || line.starts_with("#[") {
-        return None;
-    }
-    let end = line.find(|c| ['{', ','].contains(&c))?;
-    let head = line[..end].trim();
-    let name = head.split_whitespace().next()?;
-    let mut ch = name.chars();
-    let first = ch.next()?;
-    if !first.is_ascii_uppercase() {
-        return None;
-    }
-    Some(name.to_string())
-}
-
-fn mirror_variant_union() -> BTreeSet<String> {
-    let mut u = BTreeSet::new();
-    for src in [
-        MIRROR_CROSS_TARGET_META,
-        MIRROR_LIFETIME,
-        MIRROR_COERCION_FOLD,
-    ] {
-        let body = extract_pub_enum_emission_diagnostic_body(src);
-        u.extend(variant_labels_from_enum_body(body));
-    }
-    u
-}
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    fn with_bootstrap_stack<F, R>(f: F) -> R
-    where
-        F: FnOnce() -> R + Send + 'static,
-        R: Send + 'static,
-    {
-        std::thread::Builder::new()
-            .stack_size(8 * 1024 * 1024)
-            .spawn(f)
-            .expect("spawn bootstrap stack test thread")
-            .join()
-            .expect("bootstrap stack test thread panicked")
-    }
-
-    #[test]
-    fn lane_local_emission_diagnostic_mirrors_are_subset_of_substrate_sum() {
-        with_bootstrap_stack(|| {
-            let dag = generated_full_bootstrap_dag();
-            let substrate = substrate_emission_diagnostic_variant_labels(&dag);
-            let mirrors = mirror_variant_union();
-
-            let stray: Vec<_> = mirrors.difference(&substrate).cloned().collect();
-            assert!(
-                stray.is_empty(),
-                "lane-local EmissionDiagnostic mirrors contain variants not in substrate sum — add them \
-                 to `src/v3/std/diagnostics.dag` first, then mirror: {stray:?}\n\
-                 substrate labels: {substrate:?}"
-            );
-        });
-    }
-
-    /// Negative control: mirror-side label absent from substrate must surface via the same
-    /// `difference` path as production drift (proves the ratchet bites).
-    #[test]
-    fn subset_ratchet_detects_synthetic_mirror_only_variant() {
-        const SYNTHETIC_MIRROR: &str = r"
-// Synthesized — never ship; proves stray-label detection for lockstep reviews.
-pub enum EmissionDiagnostic {
-    MirrorOnlySyntheticVariantRatchetTest,
-}
-";
-
-        with_bootstrap_stack(|| {
-            let dag = generated_full_bootstrap_dag();
-            let substrate = substrate_emission_diagnostic_variant_labels(&dag);
-            let body = extract_pub_enum_emission_diagnostic_body(SYNTHETIC_MIRROR);
-            let parsed = variant_labels_from_enum_body(body);
-            let stray: Vec<_> = parsed.difference(&substrate).cloned().collect();
-
-            assert!(
-                stray.contains(&"MirrorOnlySyntheticVariantRatchetTest".to_string()),
-                "expected synthetic mirror-only variant in stray set; got {stray:?}"
-            );
-            assert_eq!(
-                stray.len(),
-                1,
-                "synthetic mirror must declare exactly one variant for this negative control"
-            );
-        });
-    }
-}
diff --git a/src/v3/grounding_tests/src/integer_diagnostic_order.rs b/src/v3/grounding_tests/src/integer_diagnostic_order.rs
deleted file mode 100644
index 76ea655c943..00000000000
--- a/src/v3/grounding_tests/src/integer_diagnostic_order.rs
+++ /dev/null
@@ -1,40 +0,0 @@
-//! Ratchet: substrate `signed_int_diagnostic_order` / `unsigned_int_diagnostic_order`
-//! (`src/v3/std/integer_diagnostic_order.dag`) lower to `DeclarationRef` lists in bootstrap order.
-
-use v3_compiler::dag::{Dag, FieldValue, ValueBody};
-use v3_compiler::generated_full_bootstrap_dag;
-
-fn ref_list_declaration_names(dag: &Dag, data_name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(data_name)
-        .unwrap_or_else(|| panic!("bootstrap Dag must declare `{data_name}`"));
-    let Some(ValueBody::List(elements)) = &decl.value_body else {
-        panic!(
-            "`{data_name}` must lower to ValueBody::List, got {:?}",
-            decl.value_body
-        );
-    };
-    elements
-        .iter()
-        .map(|el| match el {
-            FieldValue::Reference(id) => dag
-                .declaration(*id)
-                .name
-                .clone()
-                .unwrap_or_else(|| panic!("referenced decl has no name: {id:?}")),
-            other => panic!("expected Reference list element, got {other:?}"),
-        })
-        .collect()
-}
-
-#[test]
-fn integer_diagnostic_orders_are_declref_chains() {
-    let dag = generated_full_bootstrap_dag();
-    let signed = ref_list_declaration_names(&dag, "signed_int_diagnostic_order");
-    assert_eq!(signed, vec!["Int8", "Int16", "Int32", "Int64", "Int128",]);
-    let unsigned = ref_list_declaration_names(&dag, "unsigned_int_diagnostic_order");
-    assert_eq!(
-        unsigned,
-        vec!["UInt8", "UInt16", "UInt32", "UInt64", "UInt128",]
-    );
-}
diff --git a/src/v3/grounding_tests/src/lib.rs b/src/v3/grounding_tests/src/lib.rs
deleted file mode 100644
index 919bc881f27..00000000000
--- a/src/v3/grounding_tests/src/lib.rs
+++ /dev/null
@@ -1,84 +0,0 @@
-//! T-Ground-Tests — L4 routing-correctness verification.
-//!
-//! See `docs/briefs/t-ground-tests.md` (lane 10 / `routing_correctness_l4_verified` gate).
-//! This crate generalizes the pilot Stratum A pattern (`src/v3/grounding_inhabitance_mirror/src/lib.rs:408-460`)
-//! onto Phase 1 `MethodTemplateContract` row authorities (`#1195` / `#1196` / `#1210`).
-//!
-//! **SG-0:** no `src/v3/compiler/` edits — consumers only.
-//!
-//! Stratum A routing-parity tests live in the `stratum_a` module’s `stratum_a_tests` section so
-//! they exercise the module’s fail-closed API without reaching private helpers from here. Stratum B
-//! currently exposes a readiness/checklist scaffold only; it does not assert production fold
-//! outputs until the declared projection substrate gates named in the audit stack land.
-
-pub mod diagnostic;
-mod stratum_a;
-mod stratum_b;
-
-pub use diagnostic::GroundingTestsDiagnostic;
-pub use stratum_a::{
-    stratum_a_list_digest, verify_stratum_a_lockstep_all_targets, RowFingerprint,
-    EXPECTED_STRATUM_A_ROW_COUNTS,
-};
-pub use stratum_b::{
-    stratum_b_missing_prerequisites, stratum_b_readiness, StratumBPrerequisite,
-    StratumBPrerequisiteState, StratumBReadinessEntry,
-};
-
-#[cfg(test)]
-mod emission_diagnostic_lockstep;
-
-#[cfg(test)]
-mod integer_diagnostic_order;
-
-#[cfg(test)]
-mod string_axes_lockstep;
-
-#[cfg(test)]
-mod tests {
-    use v3_compiler::dag::Dag;
-    use v3_grounding_lifetime::{
-        analyze_lifetime_facts, axes::LanguageSpecAxes, extract_lifetime_program,
-    };
-
-    use super::GroundingTestsDiagnostic;
-
-    /// Sibling dep smoke: bootstrap `Dag::new()` stays empty for lifetime extraction.
-    #[test]
-    fn grounding_lifetime_sibling_wires_through_bootstrap() {
-        let dag = Dag::new();
-        let axes = LanguageSpecAxes::example_rust_string_family();
-        let report = analyze_lifetime_facts(&dag, &axes).expect("bootstrap ok");
-        assert!(report.is_empty());
-        let program = extract_lifetime_program(&dag).expect("extract empty");
-        assert!(program.bindings.is_empty());
-    }
-
-    #[test]
-    fn stratum_a_diagnostic_display_is_non_empty() {
-        let e = GroundingTestsDiagnostic::StratumARowCountMismatch {
-            list_name: "x".to_string(),
-            expected: 1,
-            actual: 2,
-        };
-        assert!(!e.to_string().is_empty());
-
-        let e2 = GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "test",
-            detail: "detail".to_string(),
-        };
-        assert!(!e2.to_string().is_empty());
-
-        let e3 = GroundingTestsDiagnostic::StratumALockstepListDigestMismatch {
-            list_name: "rust_method_template_contracts".to_string(),
-            detail: "detail".to_string(),
-        };
-        assert!(!e3.to_string().is_empty());
-
-        let e4 = GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-            prerequisite: "program-bound lowering",
-            detail: "detail".to_string(),
-        };
-        assert!(!e4.to_string().is_empty());
-    }
-}
diff --git a/src/v3/grounding_tests/src/stratum_a.rs b/src/v3/grounding_tests/src/stratum_a.rs
deleted file mode 100644
index c92fbebf4bc..00000000000
--- a/src/v3/grounding_tests/src/stratum_a.rs
+++ /dev/null
@@ -1,1083 +0,0 @@
-//! Stratum A — name-keyed routing parity for `MethodTemplateContract` Phase 1 rows.
-//!
-//! Source: `docs/briefs/t-ground-tests.md` (test plan item 1). Generalizes the pilot
-//! kernel-integer checks (`src/v3/grounding_inhabitance_mirror/src/lib.rs:408-460`) onto the
-//! per-target row lists `rust_*` / `python_*` / `go_*` from T-Ground-LanguageSpec #1195.
-//!
-//! **Substrate read path:** Stratum A walks [`v3_compiler::generated_full_bootstrap_dag`] only.
-//! This crate intentionally does **not** `include_str!` the `src/v3/std/*_method_template_contracts.dag`
-//! sources from here: a path relative to `grounding_tests/src/` is easy to mis-write as `../std/…`
-//! (which resolves under `src/v3/grounding_tests/std/`, not `src/v3/std/`). The compiler’s embedded
-//! snapshot is the single structural authority for these rows.
-
-use std::collections::{BTreeMap, BTreeSet};
-
-use v3_compiler::dag::{Dag, DeclarationId, FieldValue, LiteralBits, TypeConnective, ValueBody};
-
-use crate::diagnostic::GroundingTestsDiagnostic;
-
-const RUST_LIST: &str = "rust_method_template_contracts";
-const PYTHON_LIST: &str = "python_method_template_contracts";
-const GO_LIST: &str = "go_method_template_contracts";
-
-/// Closed schema for `MethodTemplateContract` rows (`emit_model.dag`) — Stratum A must reject
-/// duplicate labels, missing keys, and unconsumed extra fields.
-const METHOD_TEMPLATE_CONTRACT_FIELDS: &[&str] = &[
-    "dag_method",
-    "emit_template",
-    "placeholder_convention",
-    "runtime_template",
-    "wraps_result",
-];
-
-/// `MethodRef` (`methods.dag`) — single `decl` field, no silent ignores.
-const METHOD_REF_FIELDS: &[&str] = &["decl"];
-
-/// Director-locked Phase 1 row counts (`t-ground-tests.md`; bump when `*_method_template_contracts.dag` grows).
-///
-/// **List scope only:** these counts cover `data *_method_template_contracts: List<MethodTemplateContract>`.
-/// Per-target `CollectionOps.*_contract` carriers promoted to named
-/// `MethodTemplateContract` declarations outside the per-target lists are
-/// **not** list elements — `verify_stratum_a_lockstep_all_targets` closes that
-/// receipt separately (`verify_language_spec_collection_ops_contract_wiring`).
-pub const EXPECTED_STRATUM_A_ROW_COUNTS: &[(&str, usize)] =
-    &[(RUST_LIST, 13), (PYTHON_LIST, 16), (GO_LIST, 12)];
-
-/// (`CollectionOps` decl, field name, named `MethodTemplateContract` decl, expected registry method name).
-const LANGUAGE_SPEC_COLLECTION_OPS_CONTRACT_WITNESSES: &[(&str, &str, &str, &str)] = &[
-    (
-        "rust_collection_ops",
-        "concat_contract",
-        "rust_language_spec_free_monoid_concat_contract",
-        "concat",
-    ),
-    (
-        "rust_collection_ops",
-        "length_contract",
-        "rust_language_spec_free_monoid_length_contract",
-        "length",
-    ),
-    (
-        "rust_collection_ops",
-        "is_empty_contract",
-        "rust_language_spec_free_monoid_emptiness_contract",
-        "is_empty",
-    ),
-    (
-        "rust_collection_ops",
-        "fold_contract",
-        "rust_language_spec_free_monoid_fold_contract",
-        "fold",
-    ),
-    (
-        "rust_collection_ops",
-        "map_contract",
-        "rust_language_spec_map_contract",
-        "map",
-    ),
-    (
-        "python_collections",
-        "concat_contract",
-        "python_language_spec_free_monoid_concat_contract",
-        "concat",
-    ),
-    (
-        "python_collections",
-        "length_contract",
-        "python_language_spec_free_monoid_length_contract",
-        "length",
-    ),
-    (
-        "python_collections",
-        "is_empty_contract",
-        "python_language_spec_free_monoid_emptiness_contract",
-        "is_empty",
-    ),
-    (
-        "python_collections",
-        "fold_contract",
-        "python_language_spec_free_monoid_fold_contract",
-        "fold",
-    ),
-    (
-        "python_collections",
-        "map_contract",
-        "python_language_spec_map_contract",
-        "map",
-    ),
-    (
-        "go_collection_ops",
-        "concat_contract",
-        "go_language_spec_free_monoid_concat_contract",
-        "concat",
-    ),
-    (
-        "go_collection_ops",
-        "length_contract",
-        "go_language_spec_free_monoid_length_contract",
-        "length",
-    ),
-    (
-        "go_collection_ops",
-        "is_empty_contract",
-        "go_language_spec_free_monoid_emptiness_contract",
-        "is_empty",
-    ),
-    (
-        "go_collection_ops",
-        "fold_contract",
-        "go_language_spec_free_monoid_fold_contract",
-        "fold",
-    ),
-    (
-        "go_collection_ops",
-        "map_contract",
-        "go_language_spec_map_contract",
-        "map",
-    ),
-];
-
-/// Fail-closed witness: each target `CollectionOps.*_contract` ref resolves to the
-/// named `MethodTemplateContract` carrier with the expected `dag_method` registry name.
-fn verify_language_spec_collection_ops_contract_wiring(
-    dag: &Dag,
-) -> Result<(), GroundingTestsDiagnostic> {
-    let mtc_id = dag
-        .declaration_by_name("MethodTemplateContract")
-        .ok_or_else(|| GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "collection_ops_contract_witness.MethodTemplateContract",
-            detail: "MethodTemplateContract missing from Dag".to_string(),
-        })?
-        .id;
-
-    for &(collection_ops_name, field, contract_decl_name, expected_method) in
-        LANGUAGE_SPEC_COLLECTION_OPS_CONTRACT_WITNESSES
-    {
-        let cs_decl = dag
-            .declaration_by_name(collection_ops_name)
-            .ok_or_else(|| GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                step: "collection_ops_contract_witness.collection_ops",
-                detail: format!("missing `{collection_ops_name}`"),
-            })?;
-        let vb = cs_decl.value_body.as_ref().ok_or_else(|| {
-            GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                step: "collection_ops_contract_witness.collection_ops.value_body",
-                detail: format!("`{collection_ops_name}` has no value_body"),
-            }
-        })?;
-        let ValueBody::Structural { fields: cs_fields } = vb else {
-            return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                step: "collection_ops_contract_witness.collection_ops.shape",
-                detail: format!("`{collection_ops_name}`: expected Structural value body"),
-            });
-        };
-        let contract_ref = row_field(cs_fields, collection_ops_name, 0, field)?;
-        let FieldValue::Reference(expected_id) = contract_ref else {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: collection_ops_name.to_string(),
-                row_index: 0,
-                detail: format!("`{field}` must be DeclarationRef, got {contract_ref:?}"),
-            });
-        };
-
-        let contract_decl = dag.declaration_by_name(contract_decl_name).ok_or_else(|| {
-            GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                step: "collection_ops_contract_witness.named_decl",
-                detail: format!(
-                    "missing `{contract_decl_name}` (CollectionOps `{field}` ref {expected_id:?})"
-                ),
-            }
-        })?;
-        if contract_decl.id != *expected_id {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: collection_ops_name.to_string(),
-                row_index: 0,
-                detail: format!(
-                    "`{field}` ref {expected_id:?} does not match declaration `{contract_decl_name}` ({:?})",
-                    contract_decl.id
-                ),
-            });
-        }
-
-        let template = match &contract_decl.connective {
-            TypeConnective::Instantiation { template, .. } => *template,
-            other => {
-                return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                    list_name: contract_decl_name.to_string(),
-                    row_index: 0,
-                    detail: format!("expected MethodTemplateContract instantiation, got {other:?}"),
-                });
-            }
-        };
-        if template != mtc_id {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: contract_decl_name.to_string(),
-                row_index: 0,
-                detail: format!(
-                    "expected template MethodTemplateContract ({mtc_id:?}), got {template:?}"
-                ),
-            });
-        }
-
-        let contract_body = contract_decl.value_body.as_ref().ok_or_else(|| {
-            GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                step: "collection_ops_contract_witness.named_decl.value_body",
-                detail: format!("`{contract_decl_name}` missing value_body"),
-            }
-        })?;
-        let ValueBody::Structural {
-            fields: contract_fields,
-        } = contract_body
-        else {
-            return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                step: "collection_ops_contract_witness.named_decl.shape",
-                detail: format!(
-                    "`{contract_decl_name}`: expected Structural MethodTemplateContract data"
-                ),
-            });
-        };
-        let row = FieldValue::Record(contract_fields.clone());
-        let fp = row_fingerprint(dag, contract_decl_name, 0, &row)?;
-        if fp.method_name != expected_method {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: contract_decl_name.to_string(),
-                row_index: 0,
-                detail: format!(
-                    "expected dag_method registry name `{expected_method}` for `{field}`, got `{}`",
-                    fp.method_name
-                ),
-            });
-        }
-    }
-    Ok(())
-}
-
-fn list_rows<'a>(
-    dag: &'a Dag,
-    list_name: &str,
-) -> Result<&'a [FieldValue], GroundingTestsDiagnostic> {
-    let decl = dag.declaration_by_name(list_name).ok_or_else(|| {
-        GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "list_rows.declaration_by_name",
-            detail: format!("missing declaration `{list_name}`"),
-        }
-    })?;
-    let body = decl.value_body.as_ref().ok_or_else(|| {
-        GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "list_rows.value_body",
-            detail: format!("`{list_name}` has no value body"),
-        }
-    })?;
-    match body {
-        ValueBody::List(rows) => Ok(rows.as_slice()),
-        other => Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "list_rows.value_body",
-            detail: format!("`{list_name}`: expected List body, got {other:?}"),
-        }),
-    }
-}
-
-fn method_emit_template_variant_label(
-    dag: &Dag,
-    constructor: DeclarationId,
-) -> Result<String, GroundingTestsDiagnostic> {
-    let method_emit_template = dag
-        .declaration_by_name("MethodEmitTemplate")
-        .ok_or_else(|| GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "MethodEmitTemplate.declaration_by_name",
-            detail: "MethodEmitTemplate missing from Dag".to_string(),
-        })?;
-    let TypeConnective::Disj { variants } = &method_emit_template.connective else {
-        return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "MethodEmitTemplate.connective",
-            detail: format!("expected Disj, got {:?}", method_emit_template.connective),
-        });
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == constructor)
-        .map(|v| v.label.clone())
-        .ok_or_else(|| GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "MethodEmitTemplate.variant",
-            detail: format!("unknown MethodEmitTemplate constructor {constructor:?}"),
-        })
-}
-
-fn placeholder_variant_label(
-    dag: &Dag,
-    constructor: DeclarationId,
-) -> Result<String, GroundingTestsDiagnostic> {
-    let root = dag
-        .declaration_by_name("PlaceholderConvention")
-        .ok_or_else(|| GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "PlaceholderConvention.declaration_by_name",
-            detail: "PlaceholderConvention missing from Dag".to_string(),
-        })?;
-    let TypeConnective::Disj { variants } = &root.connective else {
-        return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "PlaceholderConvention.connective",
-            detail: format!("expected Disj, got {:?}", root.connective),
-        });
-    };
-    variants
-        .iter()
-        .find(|variant| variant.ty == constructor)
-        .map(|v| v.label.clone())
-        .ok_or_else(|| GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "PlaceholderConvention.variant",
-            detail: format!("unknown PlaceholderConvention constructor {constructor:?}"),
-        })
-}
-
-fn method_declaration_template_id(dag: &Dag) -> Result<DeclarationId, String> {
-    dag.declaration_by_name("MethodDeclaration")
-        .map(|d| d.id)
-        .ok_or_else(|| "MethodDeclaration missing from Dag".to_string())
-}
-
-/// Resolve a `MethodRef.decl` target to the method's registry `name` literal.
-///
-/// Fail-closed: the referenced declaration must **instantiate** `MethodDeclaration`
-/// (same structural gate as `method_registry_covers_all_algebra_template_names`), not merely
-/// carry a string `name` field on an arbitrary record. The value body must be a closed record
-/// with exactly the `name` field (no duplicates, no extra keys).
-fn method_registry_name(
-    dag: &Dag,
-    method_decl_id: DeclarationId,
-    list_name: &str,
-    row_index: usize,
-) -> Result<String, GroundingTestsDiagnostic> {
-    let method_decl_template = method_declaration_template_id(dag).map_err(|e| {
-        GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: e,
-        }
-    })?;
-    let decl = dag.declaration(method_decl_id);
-    let template = match &decl.connective {
-        TypeConnective::Instantiation { template, .. } => *template,
-        other => {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: list_name.to_string(),
-                row_index,
-                detail: format!(
-                    "declaration {:?}: expected MethodDeclaration instantiation (Instantiation connective), got {other:?}",
-                    decl.name
-                ),
-            });
-        }
-    };
-    if template != method_decl_template {
-        return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!(
-                "declaration {:?}: instantiates template {template:?}, expected MethodDeclaration ({method_decl_template:?})",
-                decl.name
-            ),
-        });
-    }
-    let vb = decl.value_body.as_ref().ok_or_else(|| {
-        GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!("declaration {:?} has no value_body", decl.name),
-        }
-    })?;
-    let ValueBody::Structural { fields } = vb else {
-        return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!(
-                "declaration {:?}: value_body not Structural: {vb:?}",
-                decl.name
-            ),
-        });
-    };
-    enforce_closed_record_schema(
-        fields,
-        list_name,
-        row_index,
-        "MethodDeclaration.value_body",
-        &["name"],
-    )?;
-    let name_field = row_field(fields, list_name, row_index, "name")?;
-    match name_field {
-        FieldValue::Literal(LiteralBits::String(s)) => Ok(s.clone()),
-        other => Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!(
-                "declaration {:?}: `name` not a string literal: {other:?}",
-                decl.name
-            ),
-        }),
-    }
-}
-
-/// Phase-1 `PlaceholderConvention` (`emit_model.dag`): nullary variants only; payload must be
-/// empty so digest/fingerprint cannot collapse distinct malformed shapes.
-fn placeholder_convention_canonical(
-    dag: &Dag,
-    ph: &FieldValue,
-) -> Result<String, GroundingTestsDiagnostic> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = ph
-    else {
-        return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "placeholder_convention_canonical.shape",
-            detail: format!("placeholder_convention not a variant: {ph:?}"),
-        });
-    };
-    let label = placeholder_variant_label(dag, *constructor)?;
-    match label.as_str() {
-        "IndexedArgs" | "NamedArg" => {
-            if !payload.is_empty() {
-                return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                    step: "placeholder_convention_canonical.arity",
-                    detail: format!(
-                        "variant `{label}` is nullary in Phase 1; got {} payload field(s): {payload:?}",
-                        payload.len()
-                    ),
-                });
-            }
-            Ok(label)
-        }
-        _ => Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "placeholder_convention_canonical.variant",
-            detail: format!("unknown PlaceholderConvention variant `{label}`"),
-        }),
-    }
-}
-
-fn emit_template_canonical(
-    dag: &Dag,
-    emit: &FieldValue,
-) -> Result<String, GroundingTestsDiagnostic> {
-    let FieldValue::Variant {
-        constructor,
-        payload,
-    } = emit
-    else {
-        return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "emit_template_canonical.shape",
-            detail: format!("emit_template not a variant: {emit:?}"),
-        });
-    };
-    let label = method_emit_template_variant_label(dag, *constructor)?;
-    match label.as_str() {
-        "SingleTemplate" => {
-            if payload.len() != 1 {
-                return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                    step: "emit_template_canonical.SingleTemplate",
-                    detail: format!(
-                        "expected 1 payload field, got {}: {payload:?}",
-                        payload.len()
-                    ),
-                });
-            }
-            let FieldValue::Literal(LiteralBits::String(s)) = &payload[0] else {
-                return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                    step: "emit_template_canonical.SingleTemplate",
-                    detail: format!("expected String literal payload: {:?}", payload[0]),
-                });
-            };
-            Ok(format!("SingleTemplate({s})"))
-        }
-        "HigherOrderTemplates" => {
-            if payload.len() != 2 {
-                return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                    step: "emit_template_canonical.HigherOrderTemplates",
-                    detail: format!("expected 2 payload fields, got {payload:?}"),
-                });
-            }
-            let FieldValue::Literal(LiteralBits::String(inline)) = &payload[0] else {
-                return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                    step: "emit_template_canonical.inline_template",
-                    detail: format!("{:?}", payload[0]),
-                });
-            };
-            let FieldValue::Literal(LiteralBits::String(fn_ref)) = &payload[1] else {
-                return Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-                    step: "emit_template_canonical.fn_ref_template",
-                    detail: format!("{:?}", payload[1]),
-                });
-            };
-            Ok(format!("HigherOrderTemplates({inline}|{fn_ref})"))
-        }
-        _ => Err(GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "emit_template_canonical.variant",
-            detail: format!("unknown MethodEmitTemplate variant `{label}`"),
-        }),
-    }
-}
-
-/// One `MethodTemplateContract` row projected to deterministic strings for parity / digests.
-#[derive(Clone, Debug, Eq, PartialEq, Ord, PartialOrd)]
-pub struct RowFingerprint {
-    pub method_name: String,
-    pub runtime_template: String,
-    pub emit_canonical: String,
-    pub wraps_result: bool,
-    pub placeholder: String,
-}
-
-impl RowFingerprint {
-    pub fn canonical_line(&self) -> String {
-        format!(
-            "{}\t{}\t{}\t{}\t{}",
-            self.method_name,
-            self.runtime_template,
-            self.emit_canonical,
-            self.wraps_result,
-            self.placeholder
-        )
-    }
-}
-
-fn row_record<'a>(
-    dag: &'a Dag,
-    row: &'a FieldValue,
-    list_name: &str,
-    row_index: usize,
-) -> Result<&'a [(String, FieldValue)], GroundingTestsDiagnostic> {
-    match row {
-        FieldValue::Record(fields) => Ok(fields.as_slice()),
-        FieldValue::Reference(id) => {
-            let decl = dag.declaration(*id);
-            let body = decl.value_body.as_ref().ok_or_else(|| {
-                GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                    list_name: list_name.to_string(),
-                    row_index,
-                    detail: format!(
-                        "referenced MethodTemplateContract `{}` has no value body",
-                        decl.name.as_deref().unwrap_or("?")
-                    ),
-                }
-            })?;
-            match body {
-                ValueBody::Structural { fields } => Ok(fields.as_slice()),
-                other => Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                    list_name: list_name.to_string(),
-                    row_index,
-                    detail: format!(
-                        "list `{list_name}` row {row_index}: MethodTemplateContract reference must be Structural, got {other:?}"
-                    ),
-                }),
-            }
-        }
-        other => Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!("row is not a record or declaration ref: {other:?}"),
-        }),
-    }
-}
-
-/// Label-set outcome for a closed record row (duplicate labels vs allowed set mismatch vs OK).
-#[derive(Debug, PartialEq, Eq)]
-enum ClosedRecordLabelsOutcome {
-    Ok,
-    Duplicate {
-        label: String,
-    },
-    Mismatch {
-        missing: Vec<String>,
-        extra: Vec<String>,
-    },
-}
-
-/// Single source of truth for closed-record label discipline (see `enforce_closed_record_schema`).
-fn analyze_closed_record_labels(
-    fields: &[(String, FieldValue)],
-    allowed: &[&str],
-) -> ClosedRecordLabelsOutcome {
-    let mut seen: BTreeSet<&str> = BTreeSet::new();
-    for (label, _) in fields {
-        if !seen.insert(label.as_str()) {
-            return ClosedRecordLabelsOutcome::Duplicate {
-                label: label.clone(),
-            };
-        }
-    }
-    let expected: BTreeSet<&str> = allowed.iter().copied().collect();
-    if seen == expected {
-        return ClosedRecordLabelsOutcome::Ok;
-    }
-    let missing: Vec<String> = expected
-        .difference(&seen)
-        .copied()
-        .map(str::to_string)
-        .collect();
-    let extra: Vec<String> = seen
-        .difference(&expected)
-        .copied()
-        .map(str::to_string)
-        .collect();
-    ClosedRecordLabelsOutcome::Mismatch { missing, extra }
-}
-
-/// Fail-closed record shape: no duplicate labels, no unknown fields — every substrate key in
-/// `allowed` appears exactly once (order-independent).
-fn enforce_closed_record_schema(
-    fields: &[(String, FieldValue)],
-    list_name: &str,
-    row_index: usize,
-    record_kind: &'static str,
-    allowed: &[&str],
-) -> Result<(), GroundingTestsDiagnostic> {
-    match analyze_closed_record_labels(fields, allowed) {
-        ClosedRecordLabelsOutcome::Ok => Ok(()),
-        ClosedRecordLabelsOutcome::Duplicate { label } => {
-            Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: list_name.to_string(),
-                row_index,
-                detail: format!("{record_kind}: duplicate field `{label}`"),
-            })
-        }
-        ClosedRecordLabelsOutcome::Mismatch { missing, extra } => {
-            let expected: BTreeSet<&str> = allowed.iter().copied().collect();
-            Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: list_name.to_string(),
-                row_index,
-                detail: format!(
-                    "{record_kind}: field set mismatch — missing {missing:?}, extra {extra:?} (expected exactly {:?})",
-                    expected.iter().collect::<Vec<_>>()
-                ),
-            })
-        }
-    }
-}
-
-fn row_field<'a>(
-    fields: &'a [(String, FieldValue)],
-    list_name: &str,
-    row_index: usize,
-    label: &'static str,
-) -> Result<&'a FieldValue, GroundingTestsDiagnostic> {
-    let mut matches = fields.iter().filter(|(l, _)| l == label);
-    let (_, v) = matches.next().ok_or_else(|| {
-        GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!("missing `{label}`"),
-        }
-    })?;
-    if matches.next().is_some() {
-        return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!("duplicate field `{label}`"),
-        });
-    }
-    Ok(v)
-}
-
-fn method_name_from_dag_method(
-    dag: &Dag,
-    dag_method: &FieldValue,
-    list_name: &str,
-    row_index: usize,
-) -> Result<String, GroundingTestsDiagnostic> {
-    let FieldValue::Record(method_ref_fields) = dag_method else {
-        return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!("`dag_method` not MethodRef record: {dag_method:?}"),
-        });
-    };
-    enforce_closed_record_schema(
-        method_ref_fields,
-        list_name,
-        row_index,
-        "MethodRef",
-        METHOD_REF_FIELDS,
-    )?;
-    let decl_field = row_field(method_ref_fields, list_name, row_index, "decl")?;
-    let FieldValue::Reference(method_decl_id) = decl_field else {
-        return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-            list_name: list_name.to_string(),
-            row_index,
-            detail: format!("MethodRef.decl not a reference: {decl_field:?}"),
-        });
-    };
-    method_registry_name(dag, *method_decl_id, list_name, row_index)
-}
-
-fn row_fingerprint(
-    dag: &Dag,
-    list_name: &str,
-    row_index: usize,
-    row: &FieldValue,
-) -> Result<RowFingerprint, GroundingTestsDiagnostic> {
-    let fields = row_record(dag, row, list_name, row_index)?;
-    enforce_closed_record_schema(
-        fields,
-        list_name,
-        row_index,
-        "MethodTemplateContract",
-        METHOD_TEMPLATE_CONTRACT_FIELDS,
-    )?;
-    let dag_method = row_field(fields, list_name, row_index, "dag_method")?;
-    let method_name = method_name_from_dag_method(dag, dag_method, list_name, row_index)?;
-
-    let runtime_field = row_field(fields, list_name, row_index, "runtime_template")?;
-    let runtime_template = match runtime_field {
-        FieldValue::Literal(LiteralBits::String(s)) => s.clone(),
-        other => {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: list_name.to_string(),
-                row_index,
-                detail: format!("runtime_template not string: {other:?}"),
-            });
-        }
-    };
-
-    let emit_field = row_field(fields, list_name, row_index, "emit_template")?;
-    let emit_canonical = emit_template_canonical(dag, emit_field)?;
-
-    let wraps_field = row_field(fields, list_name, row_index, "wraps_result")?;
-    let wraps_result = match wraps_field {
-        FieldValue::Literal(LiteralBits::Bool(b)) => *b,
-        other => {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: list_name.to_string(),
-                row_index,
-                detail: format!("wraps_result not bool: {other:?}"),
-            });
-        }
-    };
-
-    let ph_field = row_field(fields, list_name, row_index, "placeholder_convention")?;
-    let placeholder = placeholder_convention_canonical(dag, ph_field).map_err(|e| match e {
-        GroundingTestsDiagnostic::StratumADagProjectionFailed { step, detail } => {
-            GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: list_name.to_string(),
-                row_index,
-                detail: format!("{step}: {detail}"),
-            }
-        }
-        other => other,
-    })?;
-
-    Ok(RowFingerprint {
-        method_name,
-        runtime_template,
-        emit_canonical,
-        wraps_result,
-        placeholder,
-    })
-}
-
-fn fingerprints_for_list(
-    dag: &Dag,
-    list_name: &str,
-) -> Result<BTreeMap<String, RowFingerprint>, GroundingTestsDiagnostic> {
-    let rows = list_rows(dag, list_name)?;
-    let mut out: BTreeMap<String, RowFingerprint> = BTreeMap::new();
-    for (idx, row) in rows.iter().enumerate() {
-        let fp = row_fingerprint(dag, list_name, idx, row)?;
-        if out.insert(fp.method_name.clone(), fp).is_some() {
-            return Err(GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                list_name: list_name.to_string(),
-                row_index: idx,
-                detail: format!("duplicate method key in `{list_name}` rows"),
-            });
-        }
-    }
-    Ok(out)
-}
-
-fn list_digest_from_fingerprints(map: &BTreeMap<String, RowFingerprint>) -> String {
-    map.values()
-        .map(|fp| fp.canonical_line())
-        .collect::<Vec<_>>()
-        .join("\n")
-}
-
-/// Sorted multiset digest — invariant under row iteration order (Stratum A determinism).
-pub fn stratum_a_list_digest(
-    dag: &Dag,
-    list_name: &str,
-) -> Result<String, GroundingTestsDiagnostic> {
-    let fps = fingerprints_for_list(dag, list_name)?;
-    Ok(list_digest_from_fingerprints(&fps))
-}
-
-fn assert_expected_row_count(
-    list_name: &str,
-    actual: usize,
-) -> Result<(), GroundingTestsDiagnostic> {
-    let expected = EXPECTED_STRATUM_A_ROW_COUNTS
-        .iter()
-        .find(|(n, _)| *n == list_name)
-        .map(|(_, c)| *c)
-        .ok_or_else(|| GroundingTestsDiagnostic::StratumADagProjectionFailed {
-            step: "assert_expected_row_count.unknown_list",
-            detail: format!(
-                "list `{list_name}` has no Director-locked expected row count; known: {}",
-                EXPECTED_STRATUM_A_ROW_COUNTS
-                    .iter()
-                    .map(|(n, _)| *n)
-                    .collect::<Vec<_>>()
-                    .join(", ")
-            ),
-        })?;
-    if actual != expected {
-        return Err(GroundingTestsDiagnostic::StratumARowCountMismatch {
-            list_name: list_name.to_string(),
-            expected,
-            actual,
-        });
-    }
-    Ok(())
-}
-
-/// Stratum A: Phase 1 `MethodTemplateContract` rows in the full bootstrap Dag.
-///
-/// Asserts Director-locked row counts, resolves every row’s `dag_method` through the
-/// `MethodDeclaration` registry, and verifies two independent
-/// [`v3_compiler::generated_full_bootstrap_dag`] runs produce **bit-identical** digests per
-/// list (routing projection is a pure function of the embedded snapshot).
-///
-/// Also asserts Rust/Python/Go `CollectionOps.{concat,length,is_empty,fold}_contract` wiring to the
-/// named `MethodTemplateContract` carriers (list-external authority; `is_empty_contract` pins `is_empty_method`).
-pub fn verify_stratum_a_lockstep_all_targets() -> Result<(), GroundingTestsDiagnostic> {
-    let bootstrap_a = v3_compiler::generated_full_bootstrap_dag();
-    let bootstrap_b = v3_compiler::generated_full_bootstrap_dag();
-    for list_name in [RUST_LIST, PYTHON_LIST, GO_LIST] {
-        let n = list_rows(&bootstrap_a, list_name)?.len();
-        assert_expected_row_count(list_name, n)?;
-        let n_b = list_rows(&bootstrap_b, list_name)?.len();
-        if n_b != n {
-            return Err(GroundingTestsDiagnostic::StratumARowCountMismatch {
-                list_name: list_name.to_string(),
-                expected: n,
-                actual: n_b,
-            });
-        }
-        let digest_a = stratum_a_list_digest(&bootstrap_a, list_name)?;
-        let digest_b = stratum_a_list_digest(&bootstrap_b, list_name)?;
-        if digest_a != digest_b {
-            return Err(GroundingTestsDiagnostic::StratumALockstepListDigestMismatch {
-                list_name: list_name.to_string(),
-                detail:
-                    "two `generated_full_bootstrap_dag()` runs produced different Stratum-A digests"
-                        .to_string(),
-            });
-        }
-    }
-    verify_language_spec_collection_ops_contract_wiring(&bootstrap_a)?;
-    Ok(())
-}
-
-#[cfg(test)]
-mod stratum_a_tests {
-    use v3_compiler::generated_full_bootstrap_dag;
-
-    use super::*;
-
-    fn method_template_contract_row_fields_with_extra_surprise() -> Vec<(String, FieldValue)> {
-        let dummy = FieldValue::Literal(LiteralBits::Bool(false));
-        let mut fields: Vec<(String, FieldValue)> = METHOD_TEMPLATE_CONTRACT_FIELDS
-            .iter()
-            .map(|&label| (label.to_string(), dummy.clone()))
-            .collect();
-        fields.push(("surprise".to_string(), dummy));
-        fields
-    }
-
-    #[test]
-    fn determinism_forward_vs_reverse_row_walk_before_btree_keying() {
-        let dag = generated_full_bootstrap_dag();
-        let rows = list_rows(&dag, RUST_LIST).expect("rust list");
-        let mut forward = BTreeMap::new();
-        for (idx, row) in rows.iter().enumerate() {
-            let fp = row_fingerprint(&dag, RUST_LIST, idx, row).expect("fp");
-            forward.insert(fp.method_name.clone(), fp);
-        }
-        let mut backward = BTreeMap::new();
-        for (idx, row) in rows.iter().enumerate().rev() {
-            let fp = row_fingerprint(&dag, RUST_LIST, idx, row).expect("fp");
-            backward.insert(fp.method_name.clone(), fp);
-        }
-        assert_eq!(forward, backward);
-        assert_eq!(
-            list_digest_from_fingerprints(&forward),
-            stratum_a_list_digest(&dag, RUST_LIST).expect("digest")
-        );
-    }
-
-    #[test]
-    fn assert_expected_row_count_unknown_list_is_not_silent_zero_expected() {
-        let err = super::assert_expected_row_count("typo_method_template_contracts", 0)
-            .expect_err("unknown list must not default to expected=0");
-        assert!(
-            matches!(
-                &err,
-                GroundingTestsDiagnostic::StratumADagProjectionFailed { step, .. }
-                    if *step == "assert_expected_row_count.unknown_list"
-            ),
-            "unexpected diagnostic: {err}"
-        );
-    }
-
-    #[test]
-    fn enforce_closed_record_schema_rejects_duplicate_method_ref_field() {
-        let fields = vec![
-            (
-                "decl".to_string(),
-                FieldValue::Literal(LiteralBits::Bool(false)),
-            ),
-            (
-                "decl".to_string(),
-                FieldValue::Literal(LiteralBits::Bool(true)),
-            ),
-        ];
-        assert_eq!(
-            analyze_closed_record_labels(&fields, METHOD_REF_FIELDS),
-            ClosedRecordLabelsOutcome::Duplicate {
-                label: "decl".to_string(),
-            }
-        );
-        let err =
-            enforce_closed_record_schema(&fields, RUST_LIST, 0, "MethodRef", METHOD_REF_FIELDS)
-                .expect_err("duplicate decl");
-        assert!(
-            matches!(
-                &err,
-                GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                    list_name,
-                    row_index,
-                    ..
-                } if list_name == RUST_LIST && *row_index == 0
-            ),
-            "unexpected diagnostic: {err:?}"
-        );
-    }
-
-    #[test]
-    fn analyze_closed_record_labels_flags_extra_surprise_with_empty_missing() {
-        let fields = method_template_contract_row_fields_with_extra_surprise();
-        assert_eq!(
-            analyze_closed_record_labels(&fields, METHOD_TEMPLATE_CONTRACT_FIELDS),
-            ClosedRecordLabelsOutcome::Mismatch {
-                missing: vec![],
-                extra: vec!["surprise".to_string()],
-            }
-        );
-    }
-
-    #[test]
-    fn enforce_closed_record_schema_rejects_extra_method_template_contract_field() {
-        let fields = method_template_contract_row_fields_with_extra_surprise();
-        let err = enforce_closed_record_schema(
-            &fields,
-            RUST_LIST,
-            0,
-            "MethodTemplateContract",
-            METHOD_TEMPLATE_CONTRACT_FIELDS,
-        )
-        .expect_err("extra field");
-        assert!(
-            matches!(
-                &err,
-                GroundingTestsDiagnostic::StratumARegistryResolutionFailed { .. }
-            ),
-            "unexpected diagnostic: {err:?}"
-        );
-    }
-
-    #[test]
-    fn placeholder_convention_canonical_rejects_payload_for_nullary_indexed_args() {
-        let dag = generated_full_bootstrap_dag();
-        let root = dag
-            .declaration_by_name("PlaceholderConvention")
-            .expect("PlaceholderConvention");
-        let TypeConnective::Disj { variants } = &root.connective else {
-            panic!("expected Disj, got {:?}", root.connective);
-        };
-        let indexed = variants
-            .iter()
-            .find(|v| v.label == "IndexedArgs")
-            .expect("IndexedArgs variant");
-        let ph = FieldValue::Variant {
-            constructor: indexed.ty,
-            payload: vec![FieldValue::Literal(LiteralBits::Bool(false))],
-        };
-        let err = placeholder_convention_canonical(&dag, &ph).expect_err("non-empty payload");
-        assert!(
-            matches!(
-                &err,
-                GroundingTestsDiagnostic::StratumADagProjectionFailed { step, .. }
-                    if *step == "placeholder_convention_canonical.arity"
-            ),
-            "unexpected diagnostic: {err:?}"
-        );
-    }
-
-    #[test]
-    fn method_registry_name_rejects_non_method_declaration_instantiation() {
-        let dag = generated_full_bootstrap_dag();
-        let decl = dag.declaration_by_name("Int").expect("Int");
-        let method_decl_template =
-            method_declaration_template_id(&dag).expect("MethodDeclaration template");
-        let int_is_not_method_declaration_instantiation = match &decl.connective {
-            TypeConnective::Instantiation { template, .. } => *template != method_decl_template,
-            _ => true,
-        };
-        assert!(
-            int_is_not_method_declaration_instantiation,
-            "regression witness: Int must not instantiate MethodDeclaration; connective={:?}",
-            decl.connective
-        );
-        let err = method_registry_name(&dag, decl.id, RUST_LIST, 0)
-            .expect_err("Int is not MethodDeclaration");
-        assert!(
-            matches!(
-                &err,
-                GroundingTestsDiagnostic::StratumARegistryResolutionFailed {
-                    list_name,
-                    row_index,
-                    ..
-                } if list_name == RUST_LIST && *row_index == 0
-            ),
-            "unexpected diagnostic: {err:?}"
-        );
-    }
-
-    #[test]
-    fn stratum_a_language_spec_collection_ops_contract_wiring_ok() {
-        let dag = generated_full_bootstrap_dag();
-        super::verify_language_spec_collection_ops_contract_wiring(&dag)
-            .unwrap_or_else(|e| panic!("CollectionOps contract witness: {e}"));
-    }
-
-    #[test]
-    fn stratum_a_phase1_bootstrap_verification() {
-        verify_stratum_a_lockstep_all_targets().unwrap_or_else(|e| panic!("{e}"));
-    }
-
-    #[test]
-    fn stratum_a_row_counts_match_director_phase1() {
-        let dag = generated_full_bootstrap_dag();
-        for &(name, expected) in EXPECTED_STRATUM_A_ROW_COUNTS {
-            let n = list_rows(&dag, name).expect("list").len();
-            assert_eq!(
-                n, expected,
-                "`{name}` row count drift — update EXPECTED_STRATUM_A_ROW_COUNTS or substrate"
-            );
-        }
-    }
-
-    #[test]
-    fn stratum_a_digest_idempotent_on_full_bootstrap() {
-        let dag = generated_full_bootstrap_dag();
-        let d1 = stratum_a_list_digest(&dag, RUST_LIST).expect("d1");
-        let d2 = stratum_a_list_digest(&dag, RUST_LIST).expect("d2");
-        assert_eq!(d1, d2);
-    }
-}
diff --git a/src/v3/grounding_tests/src/stratum_b.rs b/src/v3/grounding_tests/src/stratum_b.rs
deleted file mode 100644
index 92b43a40150..00000000000
--- a/src/v3/grounding_tests/src/stratum_b.rs
+++ /dev/null
@@ -1,310 +0,0 @@
-//! Stratum B readiness scaffold.
-//!
-//! This module is intentionally a readiness/checklist surface, not production
-//! routing certification. `docs/audit/grounding-tests-stratum-b-scaffold-readiness.md`
-//! concludes that full Stratum B assertions are gated on declared Coercion-Fold
-//! projection facts. Integer inhabitance rows now have an executable declared
-//! projection path; remaining gates stay typed and visible without hardcoded
-//! example drivers.
-
-use v3_compiler::dag::{Dag, TypeConnective};
-use v3_grounding_coercion_fold::MIN_TARGET_INTEGER_TYPE_INHABITANCE_ROWS;
-
-use crate::diagnostic::GroundingTestsDiagnostic;
-
-/// Named prerequisites for production Stratum B algebra-homomorphism assertions.
-#[derive(Clone, Copy, Debug, Eq, PartialEq, Ord, PartialOrd)]
-pub enum StratumBPrerequisite {
-    BoundDeclarationCarrier,
-    ProgramBoundLowering,
-    IntegerInhabitanceRows,
-    AlgebraIntentFacts,
-    StringFamilyRows,
-    LifetimeAxisVocabulary,
-    SharedBindingIdentity,
-}
-
-impl StratumBPrerequisite {
-    pub fn label(self) -> &'static str {
-        match self {
-            StratumBPrerequisite::BoundDeclarationCarrier => "BoundDeclaration carrier",
-            StratumBPrerequisite::ProgramBoundLowering => "program-bound lowering",
-            StratumBPrerequisite::IntegerInhabitanceRows => "integer inhabitance rows",
-            StratumBPrerequisite::AlgebraIntentFacts => "algebra intent facts",
-            StratumBPrerequisite::StringFamilyRows => "string-family rows",
-            StratumBPrerequisite::LifetimeAxisVocabulary => "lifetime-axis vocabulary",
-            StratumBPrerequisite::SharedBindingIdentity => "shared binding identity",
-        }
-    }
-}
-
-/// Readiness state for a prerequisite. `PendingExternal` means the audit stack names the
-/// requirement, but this crate must not invent a local row schema to test it.
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub enum StratumBPrerequisiteState {
-    Ready,
-    Missing(GroundingTestsDiagnostic),
-    PendingExternal { detail: &'static str },
-}
-
-#[derive(Clone, Debug, Eq, PartialEq)]
-pub struct StratumBReadinessEntry {
-    pub prerequisite: StratumBPrerequisite,
-    pub state: StratumBPrerequisiteState,
-}
-
-/// Current Stratum B readiness against a `Dag`.
-///
-/// Only the landed `BoundDeclaration` carrier is checked structurally today. The
-/// remaining entries are deliberately reported as external gates until their
-/// substrate authorities land; this avoids a Rust-side shadow schema.
-pub fn stratum_b_readiness(dag: &Dag) -> Vec<StratumBReadinessEntry> {
-    vec![
-        StratumBReadinessEntry {
-            prerequisite: StratumBPrerequisite::BoundDeclarationCarrier,
-            state: bound_declaration_carrier_state(dag),
-        },
-        StratumBReadinessEntry {
-            prerequisite: StratumBPrerequisite::ProgramBoundLowering,
-            state: StratumBPrerequisiteState::PendingExternal {
-                detail: "Int(lo..hi), Int(any), and Int(platform) must lower into BoundDeclaration facts before Stratum B can assert fold outputs",
-            },
-        },
-        StratumBReadinessEntry {
-            prerequisite: StratumBPrerequisite::IntegerInhabitanceRows,
-            state: integer_inhabitance_rows_state(dag),
-        },
-        StratumBReadinessEntry {
-            prerequisite: StratumBPrerequisite::AlgebraIntentFacts,
-            state: StratumBPrerequisiteState::PendingExternal {
-                detail: "program facts must distinguish Semiring vs OrderedRing or fail closed as under-refined",
-            },
-        },
-        StratumBReadinessEntry {
-            prerequisite: StratumBPrerequisite::StringFamilyRows,
-            state: StratumBPrerequisiteState::PendingExternal {
-                detail: "string-family target rows must declare ownership, lifetime, growability, encoding, and realization refs",
-            },
-        },
-        StratumBReadinessEntry {
-            prerequisite: StratumBPrerequisite::LifetimeAxisVocabulary,
-            state: StratumBPrerequisiteState::PendingExternal {
-                detail: "canonical Ownership, LifetimeScope, Growability, and Encoding substrate sums must land before lockstep ratchets",
-            },
-        },
-        StratumBReadinessEntry {
-            prerequisite: StratumBPrerequisite::SharedBindingIdentity,
-            state: StratumBPrerequisiteState::PendingExternal {
-                detail: "Coercion-Fold and Lifetime-Analyzer need the same binding key before String examples can consume lifetime reports",
-            },
-        },
-    ]
-}
-
-pub fn stratum_b_missing_prerequisites(dag: &Dag) -> Vec<GroundingTestsDiagnostic> {
-    stratum_b_readiness(dag)
-        .into_iter()
-        .filter_map(|entry| match entry.state {
-            StratumBPrerequisiteState::Ready => None,
-            StratumBPrerequisiteState::Missing(diagnostic) => Some(diagnostic),
-            StratumBPrerequisiteState::PendingExternal { detail } => {
-                Some(GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-                    prerequisite: entry.prerequisite.label(),
-                    detail: detail.to_string(),
-                })
-            }
-        })
-        .collect()
-}
-
-fn bound_declaration_carrier_state(dag: &Dag) -> StratumBPrerequisiteState {
-    let Some(decl) = dag.declaration_by_name("BoundDeclaration") else {
-        return StratumBPrerequisiteState::Missing(
-            GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-                prerequisite: StratumBPrerequisite::BoundDeclarationCarrier.label(),
-                detail: "missing substrate declaration `BoundDeclaration`".to_string(),
-            },
-        );
-    };
-    let TypeConnective::Disj { variants } = &decl.connective else {
-        return StratumBPrerequisiteState::Missing(
-            GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-                prerequisite: StratumBPrerequisite::BoundDeclarationCarrier.label(),
-                detail: format!(
-                    "`BoundDeclaration` must be a Disj sum, got {:?}",
-                    decl.connective
-                ),
-            },
-        );
-    };
-    let labels: Vec<&str> = variants.iter().map(|v| v.label.as_str()).collect();
-    if labels == ["StaticBound", "PlatformDependent"] {
-        StratumBPrerequisiteState::Ready
-    } else {
-        StratumBPrerequisiteState::Missing(
-            GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-                prerequisite: StratumBPrerequisite::BoundDeclarationCarrier.label(),
-                detail: format!(
-                    "`BoundDeclaration` variants must be [StaticBound, PlatformDependent], got {labels:?}"
-                ),
-            },
-        )
-    }
-}
-
-fn integer_inhabitance_rows_state(dag: &Dag) -> StratumBPrerequisiteState {
-    let Some(meta) = dag.declaration_by_name("TargetIntegerTypeInhabitance") else {
-        return StratumBPrerequisiteState::Missing(
-            GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-                prerequisite: StratumBPrerequisite::IntegerInhabitanceRows.label(),
-                detail: "missing substrate declaration `TargetIntegerTypeInhabitance`".to_string(),
-            },
-        );
-    };
-    let row_count = dag
-        .declarations()
-        .iter()
-        .filter(|decl| decl.meta_tag == Some(meta.id))
-        .count();
-    if row_count >= MIN_TARGET_INTEGER_TYPE_INHABITANCE_ROWS {
-        StratumBPrerequisiteState::Ready
-    } else {
-        StratumBPrerequisiteState::Missing(GroundingTestsDiagnostic::StratumBPrerequisiteMissing {
-            prerequisite: StratumBPrerequisite::IntegerInhabitanceRows.label(),
-            detail: format!(
-                "expected at least {MIN_TARGET_INTEGER_TYPE_INHABITANCE_ROWS} `TargetIntegerTypeInhabitance` rows, got {row_count}"
-            ),
-        })
-    }
-}
-
-#[cfg(test)]
-mod tests {
-    use std::collections::BTreeMap;
-
-    use v3_compiler::dag::{Interval, IntervalWidth, PositiveIntervalWidth};
-    use v3_compiler::generated_full_bootstrap_dag;
-    use v3_grounding_coercion_fold::{
-        fold_program_to_target, IntegerBoundProjection, IntegerTargetIntent, LanguageSpecProjection,
-    };
-    use v3_grounding_lifetime::{BindingId, LifetimeAnalysisReport};
-
-    use super::*;
-
-    /// `generated_full_bootstrap_dag` construction can overflow the default test thread stack.
-    fn with_bootstrap_stack<F, R>(f: F) -> R
-    where
-        F: FnOnce() -> R + Send + 'static,
-        R: Send + 'static,
-    {
-        std::thread::Builder::new()
-            .stack_size(8 * 1024 * 1024)
-            .spawn(f)
-            .expect("spawn bootstrap stack test thread")
-            .join()
-            .expect("bootstrap stack test thread panicked")
-    }
-
-    fn declaration_id_by_name(
-        dag: &v3_compiler::dag::Dag,
-        name: &str,
-    ) -> v3_compiler::dag::DeclarationId {
-        dag.declaration_by_name(name)
-            .unwrap_or_else(|| panic!("missing declaration `{name}`"))
-            .id
-    }
-
-    #[test]
-    fn bound_declaration_carrier_is_ready_in_full_bootstrap() {
-        with_bootstrap_stack(|| {
-            let dag = generated_full_bootstrap_dag();
-            let readiness = stratum_b_readiness(&dag);
-            assert_eq!(
-                readiness
-                    .iter()
-                    .find(|entry| {
-                        entry.prerequisite == StratumBPrerequisite::BoundDeclarationCarrier
-                    })
-                    .map(|entry| &entry.state),
-                Some(&StratumBPrerequisiteState::Ready)
-            );
-        });
-    }
-
-    #[test]
-    fn integer_inhabitance_rows_are_ready_in_full_bootstrap() {
-        with_bootstrap_stack(|| {
-            let dag = generated_full_bootstrap_dag();
-            let readiness = stratum_b_readiness(&dag);
-            assert_eq!(
-                readiness
-                    .iter()
-                    .find(|entry| {
-                        entry.prerequisite == StratumBPrerequisite::IntegerInhabitanceRows
-                    })
-                    .map(|entry| &entry.state),
-                Some(&StratumBPrerequisiteState::Ready)
-            );
-        });
-    }
-
-    #[test]
-    fn declared_integer_projection_selects_bootstrap_inhabitance_row() {
-        with_bootstrap_stack(|| {
-            let dag = generated_full_bootstrap_dag();
-            let lifetime: LifetimeAnalysisReport = Default::default();
-            let projection = LanguageSpecProjection::DeclaredIntegerIntents(BTreeMap::from([(
-                BindingId(11),
-                IntegerTargetIntent {
-                    target_language: dag.rust_language_spec().expect("Rust LanguageSpec"),
-                    kernel_integer: declaration_id_by_name(&dag, "UInt32"),
-                    algebra: declaration_id_by_name(&dag, "UInt32"),
-                    bound: IntegerBoundProjection::Static(Interval::BoundedInterval {
-                        lower: 0,
-                        width: IntervalWidth::PositiveWidth(PositiveIntervalWidth::UnitCount {
-                            units: 4_294_967_295,
-                        }),
-                    }),
-                },
-            )]));
-
-            let got = fold_program_to_target(&dag, &lifetime, &projection).expect("projection");
-            assert_eq!(
-                got.get(&BindingId(11)).map(|s| s.type_realization()),
-                Some(declaration_id_by_name(&dag, "rust_u32")),
-            );
-        });
-    }
-
-    #[test]
-    fn current_readiness_reports_remaining_external_gates_without_scratch_examples() {
-        with_bootstrap_stack(|| {
-            let dag = generated_full_bootstrap_dag();
-            let missing = stratum_b_missing_prerequisites(&dag);
-            assert_eq!(
-                missing.len(),
-                5,
-                "BoundDeclaration and integer inhabitance rows should be ready today"
-            );
-            assert!(missing.iter().all(|diagnostic| matches!(
-                diagnostic,
-                GroundingTestsDiagnostic::StratumBPrerequisiteMissing { .. }
-            )));
-            assert!(missing
-                .iter()
-                .any(|diagnostic| diagnostic.to_string().contains("program-bound lowering")));
-        });
-    }
-
-    #[test]
-    fn stratum_b_prerequisite_labels_are_stable() {
-        assert_eq!(
-            StratumBPrerequisite::BoundDeclarationCarrier.label(),
-            "BoundDeclaration carrier"
-        );
-        assert_eq!(
-            StratumBPrerequisite::SharedBindingIdentity.label(),
-            "shared binding identity"
-        );
-    }
-}
diff --git a/src/v3/grounding_tests/src/string_axes_lockstep.rs b/src/v3/grounding_tests/src/string_axes_lockstep.rs
deleted file mode 100644
index 8b5901368ae..00000000000
--- a/src/v3/grounding_tests/src/string_axes_lockstep.rs
+++ /dev/null
@@ -1,98 +0,0 @@
-//! Forward ratchet: #1465 string-family axis sums stay structural and closed.
-//!
-//! This is intentionally narrower than a general lifetime-axis mirror ratchet.
-//! `StringOwnershipAxis`, `StringLifetimeAxis`, `StringGrowabilityAxis`, and
-//! `StringEncodingAxis` are target-row vocabulary for string-family candidates
-//! under `src/v3/std/emit_model.dag`. They are not a global replacement for
-//! `grounding_lifetime/src/facts.rs` program-side enums.
-//!
-//! Future mirror mapping notes (not asserted here):
-//! - `grounding_lifetime::Ownership::{Owned,Borrowed}` maps conceptually to
-//!   `StringOwnershipAxis::{Owned,Borrowed}` once target rows consume substrate
-//!   references.
-//! - `grounding_lifetime::Growability::{Yes,No,NotApplicable}` maps
-//!   conceptually to `StringGrowabilityAxis::{Growable,Fixed,NotApplicable}`.
-//! - `grounding_lifetime::LifetimeScope::Self_` must not be asserted as a
-//!   literal subset of `StringLifetimeAxis::SelfContained`; `Self_` is Rust enum
-//!   escaping, while `SelfContained` is substrate vocabulary.
-
-use v3_compiler::dag::{Dag, TypeConnective};
-use v3_compiler::generated_full_bootstrap_dag;
-
-#[derive(Clone, Copy, Debug)]
-struct StringAxisExpectation {
-    name: &'static str,
-    variants: &'static [&'static str],
-}
-
-const STRING_AXIS_EXPECTATIONS: &[StringAxisExpectation] = &[
-    StringAxisExpectation {
-        name: "StringOwnershipAxis",
-        variants: &["Owned", "Borrowed"],
-    },
-    StringAxisExpectation {
-        name: "StringLifetimeAxis",
-        variants: &["SelfContained", "Caller"],
-    },
-    StringAxisExpectation {
-        name: "StringGrowabilityAxis",
-        variants: &["Growable", "Fixed", "NotApplicable"],
-    },
-    StringAxisExpectation {
-        name: "StringEncodingAxis",
-        variants: &["Utf8FreeMonoidChar"],
-    },
-];
-
-fn string_axis_variant_labels(dag: &Dag, axis_name: &str) -> Vec<String> {
-    let decl = dag
-        .declaration_by_name(axis_name)
-        .unwrap_or_else(|| panic!("bootstrap Dag must declare `{axis_name}`"));
-    assert_eq!(
-        decl.span.file, "src/v3/std/emit_model.dag",
-        "`{axis_name}` must stay under emit-model string-family axis authority"
-    );
-    match &decl.connective {
-        TypeConnective::Disj { variants } => variants.iter().map(|v| v.label.clone()).collect(),
-        other => panic!("`{axis_name}` must be a Disj sum; got {other:?}"),
-    }
-}
-
-fn variant_mismatch(actual: &[String], expected: &[&str]) -> Option<String> {
-    let expected_owned: Vec<String> = expected.iter().map(|label| label.to_string()).collect();
-    if actual == expected_owned {
-        None
-    } else {
-        Some(format!(
-            "expected closed variant set {expected_owned:?}, got {actual:?}"
-        ))
-    }
-}
-
-#[test]
-fn string_family_axes_are_closed_structural_values() {
-    let dag = generated_full_bootstrap_dag();
-
-    for expectation in STRING_AXIS_EXPECTATIONS {
-        let actual = string_axis_variant_labels(&dag, expectation.name);
-        assert!(
-            variant_mismatch(&actual, expectation.variants).is_none(),
-            "{} drifted: {}",
-            expectation.name,
-            variant_mismatch(&actual, expectation.variants).unwrap_or_default()
-        );
-    }
-}
-
-/// Negative control: the same mismatch path must detect a missing substrate-axis variant.
-#[test]
-fn string_axis_ratchet_detects_synthetic_missing_variant() {
-    let actual = vec!["Growable".to_string(), "Fixed".to_string()];
-    let mismatch = variant_mismatch(&actual, &["Growable", "Fixed", "NotApplicable"])
-        .expect("synthetic missing NotApplicable variant must be detected");
-
-    assert!(
-        mismatch.contains("NotApplicable"),
-        "mismatch should name the missing explicit variant; got {mismatch}"
-    );
-}
diff --git a/src/v3/lenses/complexity.dag b/src/v3/lenses/complexity.dag
deleted file mode 100644
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-// lenses.complexity — behavioral complexity summary lens for the v3 DAG.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE.
-// See docs/design-complexity-lens-behavioral-completeness.md and
-// docs/v3-lens-capability-register.md.
-//
-// Forward fold over `d.nodes` builds a per-port `ComplexitySummary`
-// map. The substrate invariant that producers precede consumers in
-// `d.nodes` makes this a pure catamorphism; the old structural-depth
-// proxy is dissolved into the richer carrier below:
-//   - symbolic work and span costs (`SymbolicCost`)
-//   - asymptotic classification (`AsymptoticClass`)
-//   - per-coordinate certainty (`work_certainty`, `span_certainty`)
-//
-// Work/span dimensions are the two `AnalysisDimension<SymbolicCost>`
-// instances named by the design. Class-5 record-valued `data` bodies
-// still gate executable declarations for `work_dimension` and
-// `span_dimension`, so this file keeps the executable authority in
-// the lens fold and names the dissolution trigger in the receipt
-// comments instead of inventing a parallel dimension registry.
-//
-// Shared carrier: `v3.std.lookup.Lookup`.
-
-module lenses.complexity
-
-import std.list { List, empty, fold, cons, concat }
-import std.substrate { Dag, Behavior, BranchPath, LoopNode, LoopBound, NodeId, PortId, node }
-import std.algebra {
-  SymbolicCost,
-  AsymptoticClass,
-  Monoid,
-  unnamed_size_variable,
-  classify_symbolic_cost,
-  asymptotic_dominates,
-  dominates,
-  sequential,
-  iterate,
-  max_path,
-  ConstantCost,
-  LinearCost,
-  PolynomialCost,
-  ProductCost,
-  SumCost,
-  LogCost,
-  UnknownCost,
-  miss_symbolic_cost_lookup,
-  hit_symbolic_cost_lookup
-}
-import std.computation {
-  CallPattern,
-  ArithmeticSubtractCall,
-  ArithmeticDivideCall,
-  ChildAccessorCall,
-  CollectionShrinkCall,
-  FoldBodyCall,
-  ParserAdvanceCall,
-  WorklistDrainCall,
-  SameArgumentCall,
-  per_call_pattern_at,
-  per_call_descent_operand_port
-}
-import v3.std.lookup { Lookup }
-import v3.std.dimensions { Witness, OptionalDiagnostic }
-import v3.std.lens { Lens }
-import v3.std.lens_application { LensEnforcement, EnforceableLens, EnforcedApplication }
-
-// Certainty: how tight is the bound?
-// Proven means the bound is exact for that coordinate; Conservative means it
-// is a sound upper bound that may be loose. There is intentionally no
-// BoundedLattice<Certainty>; certainty composes with cost dominance at the
-// ComplexitySummary level.
-type Certainty = Proven | Conservative
-
-type ComplexitySummary {
-  work: SymbolicCost
-  span: SymbolicCost
-  asymptotic_class: AsymptoticClass
-  work_certainty: Certainty
-  span_certainty: Certainty
-}
-
-type ComplexityEntry {
-  port: PortId
-  summary: Lookup<ComplexitySummary>
-}
-
-type DominanceOutcome
-  = BothSurvive
-  | OuterDominates
-  | BodyDominates
-
-fn miss_complexity_summary_lookup() -> Lookup<ComplexitySummary> =
-  Miss
-
-fn hit_complexity_summary_lookup(summary: ComplexitySummary) -> Lookup<ComplexitySummary> =
-  Hit(summary)
-
-fn complexity_of(d: Dag, port_id: PortId) -> Lookup<ComplexitySummary> =
-  lookup_summary(compute_summaries(d), port_id)
-
-fn compute_summaries(d: Dag) -> List<ComplexityEntry> =
-  fold(d.nodes, seed_bind_params(d.nodes), |acc, behavior|
-    cons(entry_for(d, acc, behavior), acc)
-  )
-
-fn seed_bind_params(nodes: List<Behavior>) -> List<ComplexityEntry> =
-  fold(nodes, empty(), |acc, behavior|
-    concat(params_of(behavior), acc)
-  )
-
-fn params_of(behavior: Behavior) -> List<ComplexityEntry> =
-  match behavior {
-    Value(v) => empty()
-    Transform(t) => empty()
-    Branch(b) => empty()
-    Loop(l) => empty()
-    Bind(bind) => param_entries(bind.params)
-  }
-
-fn param_entries(params: List<PortId>) -> List<ComplexityEntry> =
-  match params {
-    Empty => empty()
-    Cons(payload) =>
-      cons(
-        { port: payload.head, summary: hit_complexity_summary_lookup(zero_summary()) },
-        param_entries(payload.tail)
-      )
-  }
-
-fn zero_summary() -> ComplexitySummary =
-  summary_from_costs(ConstantCost(0), ConstantCost(0), Proven, Proven)
-
-fn unit_summary() -> ComplexitySummary =
-  summary_from_costs(ConstantCost(1), ConstantCost(1), Proven, Proven)
-
-fn conservative_unknown_summary(reason: String) -> ComplexitySummary =
-  summary_from_costs(UnknownCost(reason), UnknownCost(reason), Conservative, Conservative)
-
-fn summary_from_costs(
-  work: SymbolicCost,
-  span: SymbolicCost,
-  work_certainty: Certainty,
-  span_certainty: Certainty
-) -> ComplexitySummary =
-  {
-    work: work
-    span: span
-    asymptotic_class: classify_symbolic_cost(work)
-    work_certainty: work_certainty
-    span_certainty: span_certainty
-  }
-
-fn entry_for(
-  d: Dag,
-  acc: List<ComplexityEntry>,
-  behavior: Behavior
-) -> ComplexityEntry =
-  match behavior {
-    Value(v) =>
-      { port: v.result_port, summary: hit_complexity_summary_lookup(zero_summary()) }
-    Transform(t) =>
-      { port: t.result_port, summary: transform_summary(d, acc, t.id, t.inputs) }
-    Branch(b) =>
-      { port: b.result_port, summary: branch_summary(acc, b.input, b.paths) }
-    Loop(l) =>
-      { port: l.result_port, summary: loop_summary(d, acc, l) }
-    Bind(bind) =>
-      { port: bind.result_port, summary: lookup_summary(acc, bind.result_port) }
-  }
-
-fn transform_summary(
-  d: Dag,
-  acc: List<ComplexityEntry>,
-  call_site: NodeId,
-  inputs: List<PortId>
-) -> Lookup<ComplexitySummary> =
-  match per_call_pattern_at(d, call_site) {
-    None => compose_many_inputs(acc, inputs)
-    Some(pattern) =>
-      match per_call_descent_operand_port(d, call_site) {
-        None =>
-          complexity_when_descent_unknown(pattern)
-        Some(descent_port) =>
-          recursive_transform_summary(acc, pattern, descent_port, inputs)
-      }
-  }
-
-// No-descent recursion (`per_call_descent_operand_port` → `None`): align with
-// `cost.dag` `pattern_to_iter_bound(SameArgumentCall)` → **Miss** — same-argument
-// self-call is not a recurrence dimension here; **do not** surface `UnknownCost`
-// as a successful summary (P3 / INVARIANTS.md; mirrors §3.1.1 cost-lens note).
-fn complexity_when_descent_unknown(pattern: CallPattern) -> Lookup<ComplexitySummary> =
-  match pattern {
-    SameArgumentCall =>
-      miss_complexity_summary_lookup()
-    ArithmeticSubtractCall { steps: steps, ring_param: ring_param } =>
-      miss_complexity_summary_lookup()
-    ArithmeticDivideCall { divisor: divisor , ring_param: ring_param } =>
-      miss_complexity_summary_lookup()
-    ChildAccessorCall { accessor: accessor } =>
-      miss_complexity_summary_lookup()
-    CollectionShrinkCall { amount: amount, collection: collection } =>
-      miss_complexity_summary_lookup()
-    FoldBodyCall { outer_collection: outer_collection } =>
-      miss_complexity_summary_lookup()
-    ParserAdvanceCall { witness: witness } =>
-      miss_complexity_summary_lookup()
-    WorklistDrainCall { element: element } =>
-      miss_complexity_summary_lookup()
-  }
-
-fn compose_many_inputs(
-  acc: List<ComplexityEntry>,
-  ports: List<PortId>
-) -> Lookup<ComplexitySummary> =
-  fold(ports, hit_complexity_summary_lookup(unit_summary()), |running, port_id|
-    combine_sequential(running, lookup_summary(acc, port_id))
-  )
-
-fn compose_many_inputs_excluding_descent_operand(
-  acc: List<ComplexityEntry>,
-  ports: List<PortId>,
-  descent_port: PortId
-) -> Lookup<ComplexitySummary> =
-  fold(ports, hit_complexity_summary_lookup(unit_summary()), |running, port_id|
-    if port_id == descent_port then
-      running
-    else
-      combine_sequential(running, lookup_summary(acc, port_id))
-  )
-
-// Descent operand appears once on the **iterate bound** (same story as
-// `cost.dag` `recursive_transform_cost` / `sum_costs_excluding_descent_operand`):
-// `pattern_to_iter_bound(pattern, descent_port)` supplies only the recurrence
-// dimension keyed on `descent_port`, not the sequential cost of **evaluating**
-// the argument expression on that wire. Facts flow forward: compose
-// `lookup_summary(acc, descent_port)` inside the iterate body, then fold the
-// remaining inputs while skipping `descent_port` so we never double that lookup.
-fn recursive_transform_summary(
-  acc: List<ComplexityEntry>,
-  pattern: CallPattern,
-  descent_port: PortId,
-  inputs: List<PortId>
-) -> Lookup<ComplexitySummary> =
-  match inputs {
-    Empty => miss_complexity_summary_lookup()
-    Cons(_) =>
-      combine_iterate(
-        summary_from_iter_bound(pattern_to_iter_bound(pattern, descent_port)),
-        combine_sequential(
-          lookup_summary(acc, descent_port),
-          compose_many_inputs_excluding_descent_operand(acc, inputs, descent_port)
-        )
-      )
-  }
-
-// Mirror `cost.dag` `pattern_to_iter_bound`: `SameArgumentCall` is a no-descent
-// self-call and has no well-founded recurrence dimension here — return Miss,
-// not a successful `UnknownCost` shell (P3 / INVARIANTS.md). Cementing
-// alignment with `cost.dag::pattern_to_iter_bound` keeps the sibling lenses
-// fail-closed on the same `CallPattern` shape (gpt-5-5-pro Finding 1 fix-b).
-fn pattern_to_iter_bound(pattern: CallPattern, arg_port: PortId) -> Lookup<SymbolicCost> =
-  match pattern {
-    ArithmeticSubtractCall { steps: steps, ring_param: ring_param } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    ArithmeticDivideCall { divisor: divisor , ring_param: ring_param } =>
-      hit_symbolic_cost_lookup(LogCost(unnamed_size_variable(arg_port)))
-    ChildAccessorCall { accessor: accessor } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    CollectionShrinkCall { amount: amount, collection: collection } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    FoldBodyCall { outer_collection: outer_collection } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    ParserAdvanceCall { witness: witness } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    WorklistDrainCall { element: element } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    SameArgumentCall =>
-      miss_symbolic_cost_lookup()
-  }
-
-fn summary_from_iter_bound(bound: Lookup<SymbolicCost>) -> Lookup<ComplexitySummary> =
-  match bound {
-    Miss => miss_complexity_summary_lookup()
-    Hit(cost) =>
-      match cost {
-        UnknownCost(reason) =>
-          hit_complexity_summary_lookup(conservative_unknown_summary(reason))
-        ConstantCost(_) =>
-          hit_complexity_summary_lookup(summary_from_costs(cost, cost, Proven, Proven))
-        LinearCost(_) =>
-          hit_complexity_summary_lookup(summary_from_costs(cost, cost, Proven, Proven))
-        PolynomialCost(_) =>
-          hit_complexity_summary_lookup(summary_from_costs(cost, cost, Proven, Proven))
-        ProductCost(_) =>
-          hit_complexity_summary_lookup(summary_from_costs(cost, cost, Proven, Proven))
-        SumCost(_) =>
-          hit_complexity_summary_lookup(summary_from_costs(cost, cost, Proven, Proven))
-        LogCost(_) =>
-          hit_complexity_summary_lookup(summary_from_costs(cost, cost, Proven, Proven))
-      }
-  }
-
-fn loop_summary(
-  d: Dag,
-  acc: List<ComplexityEntry>,
-  l: LoopNode
-) -> Lookup<ComplexitySummary> =
-  combine_sequential(
-    combine_sequential(lookup_summary(acc, l.source), lookup_summary(acc, l.init)),
-    combine_iterate(
-      hit_complexity_summary_lookup(summary_from_costs(
-        LinearCost(unnamed_size_variable(l.source)),
-        LinearCost(unnamed_size_variable(l.source)),
-        Proven,
-        Proven
-      )),
-      body_summary(d, acc, l.body)
-    )
-  )
-
-fn body_summary(
-  d: Dag,
-  acc: List<ComplexityEntry>,
-  body_id: NodeId
-) -> Lookup<ComplexitySummary> =
-  match node(d, body_id) {
-    None => miss_complexity_summary_lookup()
-    Some(body_behavior) => lookup_summary(acc, behavior_result_port(body_behavior))
-  }
-
-fn behavior_result_port(b: Behavior) -> PortId =
-  match b {
-    Value(v) => v.result_port
-    Transform(t) => t.result_port
-    Branch(br) => br.result_port
-    Loop(lp) => lp.result_port
-    Bind(bind) => bind.result_port
-  }
-
-fn branch_summary(
-  acc: List<ComplexityEntry>,
-  input: PortId,
-  paths: List<BranchPath>
-) -> Lookup<ComplexitySummary> =
-  combine_sequential(
-    lookup_summary(acc, input),
-    max_path_summaries(acc, paths)
-  )
-
-fn max_path_summaries(
-  acc: List<ComplexityEntry>,
-  paths: List<BranchPath>
-) -> Lookup<ComplexitySummary> =
-  fold(paths, hit_complexity_summary_lookup(zero_summary()), |running, path|
-    combine_branch(running, lookup_summary(acc, path.result_port))
-  )
-
-fn lookup_summary(acc: List<ComplexityEntry>, port_id: PortId) -> Lookup<ComplexitySummary> =
-  fold(acc, miss_complexity_summary_lookup(), |running, entry|
-    match running {
-      Hit(_) => running
-      Miss =>
-        if entry.port == port_id then
-          entry.summary
-        else
-          miss_complexity_summary_lookup()
-    }
-  )
-
-fn combine_sequential(
-  a: Lookup<ComplexitySummary>,
-  b: Lookup<ComplexitySummary>
-) -> Lookup<ComplexitySummary> =
-  match a {
-    Miss => miss_complexity_summary_lookup()
-    Hit(ax) =>
-      match b {
-        Miss => miss_complexity_summary_lookup()
-        Hit(bx) => hit_complexity_summary_lookup(compose_summary_sequential(ax, bx))
-      }
-  }
-
-fn combine_iterate(
-  outer: Lookup<ComplexitySummary>,
-  body: Lookup<ComplexitySummary>
-) -> Lookup<ComplexitySummary> =
-  match outer {
-    Miss => miss_complexity_summary_lookup()
-    Hit(outer_summary) =>
-      match body {
-        Miss => miss_complexity_summary_lookup()
-        Hit(body_summary_value) =>
-          hit_complexity_summary_lookup(compose_summary_iterate(outer_summary, body_summary_value))
-      }
-  }
-
-fn combine_branch(
-  a: Lookup<ComplexitySummary>,
-  b: Lookup<ComplexitySummary>
-) -> Lookup<ComplexitySummary> =
-  match a {
-    Miss => miss_complexity_summary_lookup()
-    Hit(ax) =>
-      match b {
-        Miss => miss_complexity_summary_lookup()
-        Hit(bx) => hit_complexity_summary_lookup(compose_summary_branch_pair(ax, bx))
-      }
-  }
-
-fn compose_summary_sequential(a: ComplexitySummary, b: ComplexitySummary) -> ComplexitySummary =
-  summary_from_costs(
-    sequential(a.work, b.work),
-    sequential(a.span, b.span),
-    certainty_of_surviving_per_dim(a.work, b.work, a.work_certainty, b.work_certainty),
-    certainty_of_surviving_per_dim(a.span, b.span, a.span_certainty, b.span_certainty)
-  )
-
-fn compose_summary_iterate(outer: ComplexitySummary, body: ComplexitySummary) -> ComplexitySummary =
-  summary_from_costs(
-    iterate(outer.work, body.work),
-    iterate(outer.work, body.span),
-    certainty_of_surviving_per_dim(outer.work, body.work, outer.work_certainty, body.work_certainty),
-    certainty_of_surviving_per_dim(outer.work, body.span, outer.work_certainty, body.span_certainty)
-  )
-
-fn compose_summary_branch_pair(a: ComplexitySummary, b: ComplexitySummary) -> ComplexitySummary =
-  summary_from_costs(
-    max_path(cons(a.work, cons(b.work, empty()))),
-    max_path(cons(a.span, cons(b.span, empty()))),
-    certainty_of_surviving_per_dim(a.work, b.work, a.work_certainty, b.work_certainty),
-    certainty_of_surviving_per_dim(a.span, b.span, a.span_certainty, b.span_certainty)
-  )
-
-fn certainty_of_surviving_per_dim(
-  outer_dim: SymbolicCost,
-  body_dim: SymbolicCost,
-  outer_cert: Certainty,
-  body_cert: Certainty
-) -> Certainty =
-  match dominance_outcome(outer_dim, body_dim) {
-    BothSurvive => meet_pair(outer_cert, body_cert)
-    OuterDominates => outer_cert
-    BodyDominates => body_cert
-  }
-
-fn dominance_outcome(outer_dim: SymbolicCost, body_dim: SymbolicCost) -> DominanceOutcome =
-  if dominates(outer_dim, body_dim) then
-    if dominates(body_dim, outer_dim) then BothSurvive else OuterDominates
-  else
-    if dominates(body_dim, outer_dim) then BodyDominates else BothSurvive
-
-fn meet_pair(a: Certainty, b: Certainty) -> Certainty =
-  match a {
-    Proven => b
-    Conservative => Conservative
-  }
-
-// ── T-LAS — canonical `EnforceableLens` for complexity contracts (gate #92) ──
-//
-// `data complexity_lens` is substrate `Lens<ComplexitySummary>`. **read** runs the
-// same `complexity_of` catamorphism as the enforcement consumer; **monoid op** /
-// **branch** / **iterate** delegate to the same `compose_*` helpers as
-// `compute_summaries` (thin wrapper fns keep `Monoid`/`Lens` `data` bodies
-// M1(2.8)-structural — avoid wiring `compose_*` fields directly in records).
-//
-// **validate** — predicate `complexity_summary_work_class_consistent` is exported
-// for callers/folds (`asymptotic_dominates(summary.asymptotic_class, classify(work))`:
-// stored class is a conservative upper bound). This hook stays `NoDiagnostic` until `SomeDiagnostic` can be
-// lowered from `lenses.*` (DB-11 `SourceSpan`/`FilePath` narrowing + M1(2.8) opaque
-// `data Diagnostic` bodies). Dissolution: class-5 `Diagnostic` authorship in lens
-// modules / span witnesses (program-plan gate #92 closure).
-//
-// **LensEnforcement authority:** `project` / `violates` remain substrate truth;
-// `enforced_lens_application` consumes the generated `complexity_enforcement_*` fns.
-//
-// **Read / monoid / branch / iterate:** wired to `complexity_of` + `compose_*` (same
-// fold as `compute_summaries`) — not a placeholder dissolution; the remaining lift is
-// `validate`→`SomeDiagnostic` (paragraph above).
-fn complexity_enforcement_project(summary: ComplexitySummary) -> AsymptoticClass =
-  summary.asymptotic_class
-
-// Strict excess: observed strictly dominates declared budget under `asymptotic_dominates`
-// (`algebra.dag`), and not conversely. Bool via `0 == 0` / `0 == 1` so rust emit
-// stays valid Rust `bool` (Classical `True`/`False` lowers poorly for `-> Bool` targets).
-//
-// **Executable parity (P2 / T-LAS):** this lowers to `complexity_lens_generated` calling
-// `v3_compiler::complexity_lattice::complexity_enforcement_budget_dominates` (imported as
-// `asymptotic_dominates` inside the generated module), which matches
-// `v3.std.algebra::asymptotic_dominates` on every tier including `ClassPolynomial`×
-// `ClassPolynomial` (Peano `degree` compare via `positive_descent_count` in substrate).
-// Host `classify_symbolic_cost` (`dag_cost_generated.rs`, regen from `algebra.dag`) maps
-// `PolynomialCost` degree `k==2` → `ClassQuadratic` and `k≥3` → `ClassPolynomial { degree }`
-// so stored `asymptotic_class` stays comparable to classified work under the same lattice.
-// **Budget enforcement** must follow this named bridge (single consumer:
-// `enforced_lens_application`); do not conflate it with substrate `meet`/`join` alone.
-fn complexity_enforcement_violates(summary: ComplexitySummary, declared: AsymptoticClass) -> Bool =
-  if asymptotic_dominates(summary.asymptotic_class, declared) then
-    if asymptotic_dominates(declared, summary.asymptotic_class) then 0 == 1 else 0 == 0
-  else
-    0 == 1
-
-// Match on owned `Lookup` (not `&Lookup`) so Rust emit binds an owned summary in
-// `Hit(summary)` for `Witness::Inhabits` (see `m2_lens_cost_migration_test` / regen).
-fn witness_from_complexity_lookup(s: Lookup<ComplexitySummary>, at: Behavior) -> Witness<ComplexitySummary> =
-  match s {
-    Hit(summary) => Inhabits(summary)
-    Miss =>
-      Violates {
-        reason: "complexity_of: missing ComplexitySummary for behavior result port"
-        subject: AtBehavior(at)
-      }
-  }
-
-fn complexity_lens_read(d: Dag, b: Behavior) -> Witness<ComplexitySummary> =
-  witness_from_complexity_lookup(complexity_of(d, behavior_result_port(b)), b)
-
-fn complexity_lens_sequential_op(a: ComplexitySummary, b: ComplexitySummary) -> ComplexitySummary =
-  compose_summary_sequential(a, b)
-
-fn complexity_lens_branch_op(a: ComplexitySummary, b: ComplexitySummary) -> ComplexitySummary =
-  compose_summary_branch_pair(a, b)
-
-fn complexity_lens_iterate_op(body: ComplexitySummary, bound: LoopBound) -> ComplexitySummary =
-  match bound {
-    Cardinality(payload) =>
-      compose_summary_iterate(
-        summary_from_costs(
-          LinearCost(unnamed_size_variable(payload.count)),
-          LinearCost(unnamed_size_variable(payload.count)),
-          Proven,
-          Proven
-        ),
-        body
-      )
-    Descent(payload) =>
-      compose_summary_iterate(
-        summary_from_costs(
-          LinearCost(unnamed_size_variable(payload.measure)),
-          LinearCost(unnamed_size_variable(payload.measure)),
-          Proven,
-          Proven
-        ),
-        body
-      )
-  }
-
-// `c.asymptotic_class` must **cover** `classify_symbolic_cost(c.work)` in the
-// `algebra.dag` order (ClassConstant ≤ … ≤ ClassUnknown): upper-bound field
-// dominates actual work class. Under-reported labels (e.g. ClassLog + linear work)
-// fail `asymptotic_dominates(stored, classified)` — `asymptotic_dominates(ClassLog, ClassLinear)` is False.
-fn complexity_summary_work_class_consistent(c: ComplexitySummary) -> Bool =
-  asymptotic_dominates(c.asymptotic_class, classify_symbolic_cost(c.work))
-
-fn complexity_lens_validate(d: Dag, c: ComplexitySummary) -> OptionalDiagnostic =
-  NoDiagnostic
-
-// Review-note: GitHub inline anchors near this `data complexity_lens_monoid` block still
-// cite “work vs stored class” bugs — that predicate is `complexity_summary_work_class_consistent`
-// above (bound must dominate classified work). Rust ratchet:
-// `lens_cost::complexity_summary_work_class_consistent_tests` in `lib.rs`.
-data complexity_lens_monoid: Monoid<ComplexitySummary> = {
-  op: complexity_lens_sequential_op
-  identity: {
-    work: ConstantCost(0)
-    span: ConstantCost(0)
-    asymptotic_class: ClassConstant
-    work_certainty: Proven
-    span_certainty: Proven
-  }
-}
-
-data complexity_lens: Lens<ComplexitySummary> = {
-  name: "complexity"
-  read: complexity_lens_read
-  sequential: complexity_lens_monoid
-  branch: complexity_lens_branch_op
-  iterate: complexity_lens_iterate_op
-  validate: complexity_lens_validate
-}
-
-data complexity_enforcement: LensEnforcement<ComplexitySummary, AsymptoticClass, AsymptoticClass> = {
-  project: complexity_enforcement_project
-  violates: complexity_enforcement_violates
-}
-
-data complexity_enforceable: EnforceableLens<ComplexitySummary, AsymptoticClass, AsymptoticClass> = {
-  lens: complexity_lens
-  enforcement: complexity_enforcement
-}
-
-type ComplexityEnforcedApplication =
-  EnforcedApplication<ComplexitySummary, AsymptoticClass, AsymptoticClass>
-
-// CostBound projection authority lives in `std.induction::cost_bound_to_symbolic`.
-// This lens consumes the live CallPattern query directly because structural
-// SizeVariable construction needs PortIds, while CostBound atoms still carry
-// string parameter names.
diff --git a/src/v3/lenses/cost.dag b/src/v3/lenses/cost.dag
deleted file mode 100644
index 910917e5b46..00000000000
--- a/src/v3/lenses/cost.dag
+++ /dev/null
@@ -1,700 +0,0 @@
-// lenses.cost — symbolic-cost lens over the v3 DAG.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE
-//   (T-CostLens-Composition α-narrow #38 + #39 satisfied by construction at
-//   HEAD per PR #2171. **ε path ratified canonical-not-transitional** at
-//   gunb-ai/gunbc#2181 #issuecomment-4401584012 (canvas
-//   `docs/proposals/q-cost-composition-layering-canvas.md`): cost factors
-//   as (target-agnostic abstract `SymbolicCost` shape — this file's lens
-//   output) × (target-specific concrete cost — Rust-side composition
-//   consumer). Concrete-cost wiring lives Rust-side per ε; this file's
-//   substrate role does NOT change. T-CostLens follow-on multi-slice plan
-//   (#2141 ε scope per gunbc#2068 #issuecomment-4402339074) sequences
-//   gates #37 + #40 + #70 across separate PRs: Slice 1a.0/1a.1 staged
-//   declaration lookup and .dag-tier meta resolvers; Slice 1a.2 adds the
-//   Rust-side `RealizationCostTable` row walker over structural
-//   `*Realization.cost` fields; Slice 1b parameterizes the concrete
-//   cost-fold consumer → Slice 2 test_runner #40 wiring → Slice 3 demo
-//   fixture #70. Those gates remain target-realization composition work
-//   outside this lens's target-agnostic abstract `SymbolicCost` scope.
-// See docs/v3-lens-capability-register.md.
-//
-// Produces **`Witness<SymbolicCost>`** at **`Lens.read`** (`cost_lens_read`) and at the Rust
-// `lens_cost_symbolic::symbolic_cost_of` host (gate #104 / R3 §1.8). The `.dag` fold stores
-// `Lookup<SymbolicCost>` per port for compositional lowering; **`symbolic_cost_of` itself is not
-// emitted here**: the Rust host merges [`Dag::resolve_producer_lookup`] (typed producer walk —
-// discriminates **NoProducer** vs **MissingPort** / **MissingNode** / **BindCycle**) with
-// [`witness_from_symbolic_cost_lookup`] so malformed substrate fails closed per INVARIANTS P3.
-// **NoProducer** ports: the Rust host still reads the folded table first (P2). Seeded rows (bind
-// params → `ConstantCost(0)`) surface as **`Inhabits`**; only table **`Miss`** (plain parameter /
-// external with no fold fact) is **`Inhabits(UnknownCost("…"))`** — not a fabricated `Violates { at }`.
-//
-// **`Lens.read` (`cost_lens_read`) vs `symbolic_cost_of`:** `cost_lens_read` is table-only
-// (`lookup_cost` + `witness_from_symbolic_cost_lookup` with **caller-supplied** `Behavior` `b`); it does
-// **not** run `resolve_producer_lookup`, so it never surfaces MissingPort / MissingNode / BindCycle
-// malformed reasons — those stay on the port-keyed Rust host.
-
-module lenses.cost
-
-import std.list { List, empty, fold, cons }
-import std.substrate {
-  Dag, Behavior, BranchPath, LoopNode, LoopBound, NodeId, PortId, node,
-  TransformNode, TransformTarget, OperatorKind, ArithmeticOp
-}
-import std.algebra {
-  MethodContract,
-  CostShape,
-  Monoid,
-  SymbolicCost,
-  dominates,
-  unnamed_size_variable,
-  sequential,
-  iterate,
-  max_path,
-  miss_symbolic_cost_lookup,
-  hit_symbolic_cost_lookup
-}
-import std.computation {
-  CallPattern,
-  ArithmeticSubtractCall,
-  ArithmeticDivideCall,
-  ChildAccessorCall,
-  CollectionShrinkCall,
-  FoldBodyCall,
-  ParserAdvanceCall,
-  WorklistDrainCall,
-  SameArgumentCall,
-  per_call_pattern_at,
-  per_call_descent_operand_port
-}
-import v3.std.lookup { Lookup }
-import v3.std.substrate { SourceSpan }
-import v3.std.dimensions { Witness, OptionalDiagnostic }
-import v3.std.lens { Lens }
-import v3.std.lens_application { SectionRef, LensEnforcement, EnforceableLens }
-
-// Cost-lens-owned user cost basis (T-User-Authored-Cost-Basis-Discipline audit:
-// `docs/audit/t-user-authored-cost-basis-discipline-worked-examples.md`).
-// Split from `EnforcedApplication` / `apply_lens` config: the latter owns enforcement
-// mode + declared budget; these carriers attach evidence consumed when composing
-// per-target costs (§4.2 PerWrite CRDT, §4.3 memory peak).
-//
-// Coproduct dissolution (`docs/modeling-discipline.md` §4). `CostBasisKind` classifies
-// **which basis axis** cost evidence is keyed to (per write / per call / peak memory).
-// **Mixed classification:** `PerWrite` and `PerCall` are **🟢 TERMINAL (GREEN)** evidence
-// labels at the lens boundary; `PeakMemory` is **🟡 SCAFFOLD** until the peak-memory
-// composition consumer + demo receipt land (ROADMAP / **#1954**, sibling to gate #93).
-// Four-pattern ledger (terminal pair) — each pattern
-// considered; none yields a cheaper substrate factoring without erasing audit vocabulary:
-//   1. Fact placement — Fails as full dissolution: `PerWrite`, `PerCall`, and
-//      `PeakMemory` are not redundant copies of the same fact at unrelated sites;
-//      they are distinct basis kinds authors attach to the same `CostBasisDeclaration`
-//      shell. Splitting into three unrelated carriers would triple `subject`/`cost`/`span`
-//      payloads and scatter the cost-lens-owned “basis” concept the audit locks.
-//   2. Variant-is-data — Rejected for modeling fidelity: the label space is closed
-//      (three variants), but collapsing to a bare tag on a generic record would drop
-//      the nominal tie to §4.2 / §4.3 / per-call surfaces in review and ROADMAP gates
-//      (`crdt_cost_basis_demonstrated`, memory-peak sibling) — the variants are the
-//      authored audit vocabulary, not an implementation detail.
-//   3. Algebraic form — Fails: basis kinds are not references into a single `std/`
-//      operator or algebra stem; they are evidence-class tags at the lens boundary.
-//   4. Dimensional — Fails cleanly: peak-memory is not a product of the same axes as
-//      per-write vs per-call (time/invocation structure vs allocation bound); merging
-//      into one Cartesian record would conflate orthogonal enforcement stories.
-//   5. **PeakMemory consumer — 🟡 SCAFFOLD:** unlike `PerWrite` (gate **#93** /
-//      `try_build_per_write_log_cost_basis_declaration` + lens-table witnesses), there is
-//      **no** Rust-side materializer or `compute_symbolic_costs` fold branch keyed on
-//      `PeakMemory` yet. Authors may record the **label** for §4.3 / #1954 alignment; **P5:**
-//      do not treat `PeakMemory` `CostBasisDeclaration` as enforcement-complete substrate
-//      until **#1954** closes with a named consumer (same dissolution style as pre-`apply_lens`
-//      CRDT staging).
-//
-// **Named dissolution trigger:** **#1954** (memory-peak cost-basis demo / composition consumer);
-// `PerWrite` / `PerCall` labels need no separate trigger beyond their gate receipts.
-type CostBasisKind
-  = PerWrite
-  | PerCall
-  // 🟡 SCAFFOLD (#1954): `PeakMemory` — not a live terminal; see ledger §5 / block comment above (P5).
-  | PeakMemory
-
-// **Rust consumer (gate #93 / P2):** `v3_compiler::try_build_per_write_log_cost_basis_declaration`
-// materializes **`PerWrite`** + `LogCost` evidence from post-lower `Dag` facts until class-5
-// bodies persist `data` rows and the cost fold reads them into `compute_symbolic_costs`.
-// **`PeakMemory`:** scaffold — consumer TBD per ledger §5 above (`#1954`).
-
-// `subject` is `SectionRef` (`v3.std.lens_application`; design
-// `docs/design-lens-application-surface.md` §2 — same structural authority as
-// `EnforcedApplication.section`), not a bare `DeclarationId`, so expression-scoped
-// bases can use `NodeScope` when landed.
-type CostBasisDeclaration {
-  subject: SectionRef
-  kind: CostBasisKind
-  cost: SymbolicCost
-  span: SourceSpan
-}
-
-type SymbolicCostEntry {
-  port: PortId
-  cost: Lookup<SymbolicCost>
-}
-
-// `symbolic_cost_of`: authored only in Rust (`v3_compiler::lens_cost_symbolic::symbolic_cost_of`):
-// merges typed `ProducerLookup` with `witness_from_symbolic_cost_lookup` so malformed substrate is
-// not collapsed into `Option::None`.
-
-// §6a Option 3 demo consumer: cost analysis reads per-method metadata from
-// the unified carrier keyed by `(algebra_id, method_id)`, keeping the
-// cost/size/callback facts co-located for later live call-site wiring.
-fn method_contract_cost_shape(contract: MethodContract) -> CostShape? =
-  contract.cost_shape
-
-fn compute_symbolic_costs(d: Dag) -> List<SymbolicCostEntry> =
-  fold(d.nodes, seed_bind_params(d.nodes), |acc, behavior|
-    cons(entry_for(d, acc, behavior), acc)
-  )
-
-fn seed_bind_params(nodes: List<Behavior>) -> List<SymbolicCostEntry> =
-  match nodes {
-    Empty => empty()
-    Cons(payload) =>
-      concat_entries(params_of(payload.head), seed_bind_params(payload.tail))
-  }
-
-fn params_of(behavior: Behavior) -> List<SymbolicCostEntry> =
-  match behavior {
-    Value(v) => empty()
-    Transform(t) => empty()
-    Branch(b) => empty()
-    Loop(l) => empty()
-    Bind(bind) => param_entries(bind.params)
-  }
-
-fn param_entries(params: List<PortId>) -> List<SymbolicCostEntry> =
-  match params {
-    Empty => empty()
-    Cons(payload) =>
-      cons(
-        { port: payload.head, cost: hit_symbolic_cost_lookup(ConstantCost(0)) },
-        param_entries(payload.tail)
-      )
-  }
-
-fn concat_entries(
-  a: List<SymbolicCostEntry>,
-  b: List<SymbolicCostEntry>
-) -> List<SymbolicCostEntry> =
-  match a {
-    Empty => b
-    Cons(payload) => cons(payload.head, concat_entries(payload.tail, b))
-  }
-
-fn entry_for(
-  d: Dag,
-  acc: List<SymbolicCostEntry>,
-  behavior: Behavior
-) -> SymbolicCostEntry =
-  match behavior {
-    Value(v) =>
-      { port: v.result_port, cost: hit_symbolic_cost_lookup(ConstantCost(0)) }
-    Transform(t) =>
-      match per_call_pattern_at(d, t.id) {
-        None =>
-          { port: t.result_port, cost: transform_cost_for_target(acc, t.target, t.inputs) }
-        Some(pattern) =>
-          match per_call_descent_operand_port(d, t.id) {
-            None =>
-              { port: t.result_port, cost: miss_symbolic_cost_lookup() }
-            Some(descent_port) =>
-              {
-                port: t.result_port,
-                cost: recursive_transform_cost(acc, pattern, descent_port, t.inputs)
-              }
-          }
-      }
-    Branch(b) =>
-      { port: b.result_port, cost: branch_cost(acc, b.input, b.paths) }
-    Loop(l) =>
-      { port: l.result_port, cost: loop_cost(d, acc, l) }
-    Bind(bind) =>
-      { port: bind.result_port, cost: lookup_cost(acc, bind.result_port) }
-  }
-
-// Recurrence iteration bound × operand spine from `inputs`, keyed by the same
-// `per_call_pattern_at` projection over `SubValueRelation` evidence.
-//
-// **`pattern_to_iter_bound(pattern, descent_port)`** supplies only the **iterate
-// dimension** (recurrence measure keyed on `descent_port`), not the sequential cost of
-// **evaluating** the argument subgraph on that wire — mirror `complexity.dag`
-// `recursive_transform_summary`: compose `lookup_cost(acc, descent_port)` inside the
-// iterate body, then fold **remaining** inputs while skipping `descent_port` so we never
-// charge `lookup_cost` twice for the same wire or stack `sum_costs` on top of the bound's
-// same-port linear factor (unary tail recursion still surfaces benign `ProductCost`
-// shells until alias-aware folding / host collapse).
-// `SameArgumentCall` has no recurrence bound → `pattern_to_iter_bound` is `Miss` (P3).
-fn recursive_transform_cost(
-  acc: List<SymbolicCostEntry>,
-  pattern: CallPattern,
-  descent_port: PortId,
-  inputs: List<PortId>
-) -> Lookup<SymbolicCost> =
-  match inputs {
-    Empty => miss_symbolic_cost_lookup()
-    Cons(_) =>
-      combine_iterate(
-        pattern_to_iter_bound(pattern, descent_port),
-        combine_sequential(
-          lookup_cost(acc, descent_port),
-          sum_costs_excluding_descent_operand(acc, inputs, descent_port)
-        )
-      )
-  }
-
-// Recurrence **bound** for `combine_iterate` / `iterate`. `SameArgumentCall` is a
-// no-descent self-call (not a well-founded recurrence dimension here) — **Miss**, not
-// a successful `UnknownCost` shell (P3 / INVARIANTS.md; design: same-arg is not recurrence).
-fn pattern_to_iter_bound(pattern: CallPattern, arg_port: PortId) -> Lookup<SymbolicCost> =
-  match pattern {
-    ArithmeticSubtractCall { steps: steps, ring_param: ring_param } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    ArithmeticDivideCall { divisor: divisor , ring_param: ring_param } =>
-      hit_symbolic_cost_lookup(LogCost(unnamed_size_variable(arg_port)))
-    ChildAccessorCall { accessor: accessor } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    CollectionShrinkCall { amount: amount, collection: collection } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    FoldBodyCall { outer_collection: outer_collection } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    ParserAdvanceCall { witness: witness } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    WorklistDrainCall { element: element } =>
-      hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(arg_port)))
-    SameArgumentCall =>
-      miss_symbolic_cost_lookup()
-  }
-
-// `loop_cost` composes iteration: bound × body.
-//
-// - Bound: `LinearCost(size_var_of(l.source))` — the runtime value
-//   the Loop descends upon. This is the live DB-3 / DB-7 analysis path:
-//   `AnalysisDimension.witness_of(d, behavior)` receives the whole
-//   `Behavior`, so a Loop witness can read both `LoopNode.source` and
-//   `LoopNode.bound`. Do not use this comment as an argument that a
-//   future generic `Lens<C>.iterate` may drop or rederive the source;
-//   the current authority stays at the Behavior / LoopNode boundary.
-// - Body: the already-lowered cost of `l.body`'s result port. The
-//   forward-fold contract guarantees the body's `entry_for` ran
-//   earlier in the walk (producers precede consumers in
-//   `d.nodes`), so its cost is already in `acc`.
-//
-// PR #537 reviewer call-out (briansrls, BLOCKING): the earlier
-// shape `loop_cost(acc, l.source)` passed only the source port
-// and then looked that same port up as "body cost" — so
-// recursive-body work silently contributed zero, violating Facts
-// Flow Forward. Now `l.body: NodeId` is resolved through the
-// `node(d, NodeId) -> Behavior?` substrate accessor to recover
-// the body's result port, and THAT port's cost is the honest
-// body cost.
-fn loop_cost(
-  d: Dag,
-  acc: List<SymbolicCostEntry>,
-  l: LoopNode
-) -> Lookup<SymbolicCost> =
-  combine_iterate(
-    linear_at(l.source),
-    body_cost(d, acc, l.body)
-  )
-
-fn body_cost(
-  d: Dag,
-  acc: List<SymbolicCostEntry>,
-  body_id: NodeId
-) -> Lookup<SymbolicCost> =
-  match node(d, body_id) {
-    None => miss_symbolic_cost_lookup()
-    Some(body_behavior) => lookup_cost(acc, behavior_result_port(body_behavior))
-  }
-
-fn behavior_result_port(b: Behavior) -> PortId =
-  match b {
-    Value(v) => v.result_port
-    Transform(t) => t.result_port
-    Branch(br) => br.result_port
-    Loop(lp) => lp.result_port
-    Bind(bind) => bind.result_port
-  }
-
-fn linear_at(port_id: PortId) -> Lookup<SymbolicCost> =
-  hit_symbolic_cost_lookup(LinearCost(unnamed_size_variable(port_id)))
-
-fn combine_iterate(
-  bound: Lookup<SymbolicCost>,
-  body: Lookup<SymbolicCost>
-) -> Lookup<SymbolicCost> =
-  match bound {
-    Miss => miss_symbolic_cost_lookup()
-    Hit(b) =>
-      match body {
-        Miss => miss_symbolic_cost_lookup()
-        Hit(y) => hit_symbolic_cost_lookup(iterate(b, y))
-      }
-  }
-
-fn branch_cost(
-  acc: List<SymbolicCostEntry>,
-  input: PortId,
-  paths: List<BranchPath>
-) -> Lookup<SymbolicCost> =
-  combine_sequential(
-    hit_symbolic_cost_lookup(ConstantCost(1)),
-    combine_sequential(
-      lookup_cost(acc, input),
-      max_of_paths(acc, paths)
-    )
-  )
-
-fn max_of_paths(
-  acc: List<SymbolicCostEntry>,
-  paths: List<BranchPath>
-) -> Lookup<SymbolicCost> =
-  fold(paths, hit_symbolic_cost_lookup(ConstantCost(0)), |running, path|
-    combine_max(running, lookup_cost(acc, path.result_port))
-  )
-
-fn combine_max(
-  a: Lookup<SymbolicCost>,
-  b: Lookup<SymbolicCost>
-) -> Lookup<SymbolicCost> =
-  match a {
-    Miss => miss_symbolic_cost_lookup()
-    Hit(ax) =>
-      match b {
-        Miss => miss_symbolic_cost_lookup()
-        Hit(bx) => hit_symbolic_cost_lookup(dominant(ax, bx))
-      }
-  }
-// **Gate #94 (memory_peak_cost_basis_demonstrated):** the same dominance-max
-// lattice models **branch-arm peak bounds** (`compose_branch_memory_peak` —
-// `src/v3/compiler/src/memory_peak_cost.rs`). Work along a path uses `combine_sequential`
-// elsewhere; alternative arm peaks compose here via this `max_path` step (`dominant`).
-
-fn dominant(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost =
-  max_path(cons(a, cons(b, empty())))
-
-// Integer divide (E-P): preserve operand costs via `transform_cost(acc, inputs)` (Constant(1)
-// + per-input lookups), then **sequentially** charge **`LogCost(dividend_port)`** for the divide
-// itself (dividend is `Cons` head). Omitting `transform_cost` would under-approximate when
-// operands are expensive (PR #2299 / openai-pro).
-fn transform_cost_for_target(
-  acc: List<SymbolicCostEntry>,
-  target: TransformTarget,
-  inputs: List<PortId>
-) -> Lookup<SymbolicCost> =
-  match target {
-    Callable(_) => transform_cost(acc, inputs)
-    UnresolvedFieldProject { field_label: l } => transform_cost(acc, inputs)
-    ResolvedFieldProject { field_label: f } => transform_cost(acc, inputs)
-    Operator(op) =>
-      match op {
-        Arithmetic(arith) =>
-          match arith {
-            Div =>
-              match inputs {
-                // `inputs` is `Transform` operand port list in lowering order: **head = dividend**,
-                // tail = divisor(s). Matches checked-Int divide / `Operator(Arithmetic(Div))` wiring
-                // (same convention as `CallPattern::ArithmeticDivideCall` commentary above).
-                Cons(payload) =>
-                  combine_sequential(
-                    transform_cost(acc, inputs),
-                    hit_symbolic_cost_lookup(LogCost(unnamed_size_variable(payload.head)))
-                  )
-                // No dividend port list — malformed `Operator(Arithmetic(Div))`; fail closed
-                // (not `transform_cost`, which would pretend a well-formed zero-ary divide).
-                Empty => miss_symbolic_cost_lookup()
-              }
-            Add => transform_cost(acc, inputs)
-            Sub => transform_cost(acc, inputs)
-            Mul => transform_cost(acc, inputs)
-          }
-        Comparison(_) => transform_cost(acc, inputs)
-        Logical(_) => transform_cost(acc, inputs)
-      }
-  }
-
-fn transform_cost(
-  acc: List<SymbolicCostEntry>,
-  inputs: List<PortId>
-) -> Lookup<SymbolicCost> =
-  combine_sequential(
-    hit_symbolic_cost_lookup(ConstantCost(1)),
-    sum_costs(acc, inputs)
-  )
-
-fn sum_costs(
-  acc: List<SymbolicCostEntry>,
-  ports: List<PortId>
-) -> Lookup<SymbolicCost> =
-  fold(ports, hit_symbolic_cost_lookup(ConstantCost(0)), |running, port_id|
-    combine_sequential(running, lookup_cost(acc, port_id))
-  )
-
-// Sum operand-port costs for recursive Callable transforms, **excluding** the port
-// identified by `per_call_descent_operand_port` — `recursive_transform_cost` composes
-// `lookup_cost(acc, descent_port)` once in the iterate body; this fold covers **other**
-// operands only (see `recursive_transform_cost` commentary).
-fn sum_costs_excluding_descent_operand(
-  acc: List<SymbolicCostEntry>,
-  ports: List<PortId>,
-  descent_port: PortId
-) -> Lookup<SymbolicCost> =
-  fold(ports, hit_symbolic_cost_lookup(ConstantCost(0)), |running, port_id|
-    if port_id == descent_port then
-      running
-    else
-      combine_sequential(running, lookup_cost(acc, port_id))
-  )
-
-fn combine_sequential(
-  a: Lookup<SymbolicCost>,
-  b: Lookup<SymbolicCost>
-) -> Lookup<SymbolicCost> =
-  match a {
-    Miss => miss_symbolic_cost_lookup()
-    Hit(ax) =>
-      match b {
-        Miss => miss_symbolic_cost_lookup()
-        Hit(bx) => hit_symbolic_cost_lookup(sequential(ax, bx))
-      }
-  }
-
-fn lookup_cost(acc: List<SymbolicCostEntry>, port_id: PortId) -> Lookup<SymbolicCost> =
-  match acc {
-    Empty => miss_symbolic_cost_lookup()
-    Cons(payload) =>
-      if payload.head.port == port_id then
-        payload.head.cost
-      else
-        lookup_cost(payload.tail, port_id)
-  }
-
-// ── T-LAS Slice B — `Lens<SymbolicCost>` + canonical enforcement (gate #90) ──
-//
-// Thin substrate packaging over `compute_symbolic_costs` / `lookup_cost` — **no parallel cost algebra**.
-// The `symbolic_cost_of` host in `v3_compiler` composes typed `ProducerLookup` with
-// `witness_from_symbolic_cost_lookup` (not emitted as a `.dag` fn — avoids `resolve_producer_opt`
-// collapsing malformed substrate).
-//
-// Composition hooks reuse `std.algebra::{sequential,iterate}` / local `dominant` exactly as
-// the Behavior fold does; Q-Lens-Target-Context / LoopBound-measure refinements
-// remain tracked under gunbc#2175 without blocking enforcement landing.
-fn witness_from_symbolic_cost_lookup(s: Lookup<SymbolicCost>, at: Behavior) -> Witness<SymbolicCost> =
-  match s {
-    Hit(c) => Inhabits(c)
-    Miss =>
-      Violates {
-        reason: "symbolic_cost_of: missing SymbolicCost for behavior result port"
-        subject: AtBehavior(at)
-      }
-  }
-
-fn cost_lens_read(d: Dag, b: Behavior) -> Witness<SymbolicCost> =
-  witness_from_symbolic_cost_lookup(
-    lookup_cost(compute_symbolic_costs(d), behavior_result_port(b)),
-    b
-  )
-
-fn cost_lens_sequential_op(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost =
-  sequential(a, b)
-
-fn cost_lens_branch_op(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost =
-  dominant(a, b)
-
-fn cost_lens_iterate_op(body: SymbolicCost, bound: LoopBound) -> SymbolicCost =
-  match bound {
-    Cardinality(payload) =>
-      iterate(
-        LinearCost(unnamed_size_variable(payload.count)),
-        body
-      )
-    Descent(payload) =>
-      iterate(
-        LinearCost(unnamed_size_variable(payload.measure)),
-        body
-      )
-  }
-
-fn cost_lens_validate(d: Dag, c: SymbolicCost) -> OptionalDiagnostic =
-  NoDiagnostic
-
-fn cost_enforcement_project(c: SymbolicCost) -> SymbolicCost =
-  c
-
-// Strict excess in the `SymbolicCost` dominance lattice (mirrors
-// `complexity_enforcement_violates` orientation vs `asymptotic_dominates`).
-fn cost_enforcement_violates(observed: SymbolicCost, declared: SymbolicCost) -> Bool =
-  if dominates(observed, declared) then
-    if dominates(declared, observed) then 0 == 1 else 0 == 0
-  else
-    0 == 1
-
-data cost_lens_monoid: Monoid<SymbolicCost> = {
-  op: cost_lens_sequential_op
-  identity: ConstantCost(0)
-}
-
-data cost_lens: Lens<SymbolicCost> = {
-  name: "symbolic_cost"
-  read: cost_lens_read
-  sequential: cost_lens_monoid
-  branch: cost_lens_branch_op
-  iterate: cost_lens_iterate_op
-  validate: cost_lens_validate
-}
-
-data cost_enforcement: LensEnforcement<SymbolicCost, SymbolicCost, SymbolicCost> = {
-  project: cost_enforcement_project
-  violates: cost_enforcement_violates
-}
-
-data cost_enforceable: EnforceableLens<SymbolicCost, SymbolicCost, SymbolicCost> = {
-  lens: cost_lens
-  enforcement: cost_enforcement
-}
-
-// ── T-CostLens-Composition α-narrow disposition (gunb-ai/gunbc#2141) ─
-//
-// **Director-ratified α (narrow)** at gunbc#828 #issuecomment-4400772335
-// (relay: gunbc#2068 #issuecomment-4401002201). β (parallel-API) rejected
-// per `feedback_isomorphism_or_generation_for_mirrors`; γ-extended
-// (`Lens<C>.read` refactor) deferred to its own Q-Lens-Target-Context
-// PROPOSAL canvas — NOT a T-CostLens stowaway.
-//
-// **Same-slice closure (PR #2171 receipts)**:
-//   - **#38 `coercion_cost_equals_complexity_by_construction`** —
-//     SATISFIED-BY-CONSTRUCTION at HEAD. `Semiring<SymbolicCost>`
-//     `sequential` / `iterate` (`src/v3/std/algebra.dag:181-188`) is the
-//     sole composition authority; no parallel "complexity-vs-cost"
-//     reconciliation surface exists.
-//   - **#39 `no_coercion_cost_dimension`** — SATISFIED-BY-CONSTRUCTION
-//     at HEAD. `SymbolicCost` 7-variant (`std/algebra.dag:181`) is the
-//     sole cost dimension; no parallel `CoercionCost` carrier exists per
-//     grep across `src/v3/{std,lenses,spec}/`.
-//
-// **Deferred to follow-on canvas (gunb-ai/gunbc#2175)** —
-// cross-cutting Behavior→primitive-identity wiring substrate:
-//   - **#37** `cost_lens_reads_target_realization`
-//   - **#40** `symbolic_cost_expr_equals_executable` (also Verification
-//     Mgr lane #2075)
-//   - **#70** `cost_lens_demonstration`
-//
-// Structural findings forcing the canvas-tier deferral (surfaced
-// gunbc#2068 #issuecomment-4399898495 + #issuecomment-4400390687):
-//   1. ~~No `data cost_lens` row~~ — **superseded at HEAD**: T-LAS Slice B
-//      (`gate #90 lens_enforcement_carrier_landed`) lands `cost_lens` /
-//      `cost_enforceable` as thin packaging over `symbolic_cost_of` above.
-//      Target-context / richer iterate semantics remain under gunbc#2175.
-//   2. `Lens<C>.read: fn(Dag, Behavior) -> Witness<C>` carries no
-//      target-context — Q-Lens-Target-Context PROPOSAL territory.
-//   3. Behavior→primitive-identity is structurally tractable via
-//      `TransformNode.target: TransformTarget` (`Callable(DeclarationId)`,
-//      `std/substrate.dag:418`) for Transform behaviors; other variants
-//      need their own anchors.
-//   4. `.dag`-side iteration over `List<CallableRealization>` /
-//      `List<TypeRealization>` has zero precedent at HEAD; realizations
-//      consumed Rust-side at emit time only. Introducing such iteration
-//      is canvas-tier (#2175).
-//
-// ── Dimension<SymbolicCost> wiring — DEFERRED (class-5 data bodies) ─
-//
-// **Stage 2f dispatch (landed):** `v3_compiler::analyze_symbolic_cost_dimension`
-// packages the same `symbolic_cost_of` / `compute_symbolic_costs` algebra as a
-// `DimensionReport<SymbolicCost>` (DB-3). The `data symbolic_cost_dimension:
-// Dimension<SymbolicCost> = { ... }` **value** remains blocked on record bodies;
-// the Rust entrypoint is the interim authority — same pattern as ROADMAP §Lane 2.
-//
-// ── Dimension<SymbolicCost> data declaration — DEFERRED to class-5 ─
-//
-// DB-7 §"Dimension<SymbolicCost> wiring" specifies a
-// `data symbolic_cost_dimension: Dimension<SymbolicCost> = {..}`
-// declaration with `witness_of`, `compose`, `identity` fields
-// carrying function references.
-//
-// Stage 2d does NOT ship this data declaration because v3's
-// current parser/lowerer rejects two v3 surface-grammar gaps that
-// the declaration's shape requires simultaneously:
-//
-//   1. Record literals inside `data X: T = { ... }` bodies. At
-//      M1(2.8) the lowerer reports "data has an opaque body —
-//      user code cannot yet use record / list / map literals
-//      inside data bodies" (DOWNSTREAM_REQUIREMENTS.md class-5
-//      gap #3).
-//   2. Record literals / match / lambdas inside `fn X { body }`
-//      block-bodied definitions. Constructing `Witness::Violates
-//      { reason, at }` — the MissingCost-to-violation shim the
-//      Dimension contract requires — hits the same block-body
-//      restriction.
-//
-// The lens ships its Behavior-variant lowering (`entry_for` +
-// helpers) as the authority. When Stage 2f's generic `analyze`
-// walker lands, it will materialize the `Dimension<SymbolicCost>`
-// instance alongside the surface-grammar extensions that unlock
-// the receipt form. Dispatching the instance from here today
-// would either require a parallel Rust-side declaration (bypassing
-// `.dag`-as-authority) or wait on the grammar extension — the
-// second path is the one the ROADMAP already sequences (Stage 2f
-// extracts the abstraction once multiple instances exist).
-//
-// See `docs/design-symbolic-cost-algebra.md` §"Dimension<SymbolicCost>
-// wiring" for the target shape.
-
-// ── Cost dimension data declaration / forward Lens boundary ─
-//
-// Live target today is DB-3 / DB-7's analysis-dimension path:
-//
-//   data symbolic_cost_dimension: AnalysisDimension<SymbolicCost> = {
-//     name: "symbolic_cost",
-//     witness_of: symbolic_cost_witness_of,
-//     compose: sequential,
-//     identity: ConstantCost(0),
-//     break_diagnostic: symbolic_cost_break_diagnostic
-//   }
-//
-// Do NOT author that data value until class-5 data-body lowering can
-// express the record honestly: function-valued field references,
-// nested structural values, and the `Witness<SymbolicCost>` /
-// `OptionalDiagnostic` constructors needed by `witness_of` and
-// `break_diagnostic`. The current Rust entrypoint
-// `v3_compiler::analyze_symbolic_cost_dimension` remains the execution
-// authority over the same `DimensionReport<SymbolicCost>` carrier.
-//
-// This DB-3 path keeps symbolic-cost analysis at the Behavior /
-// LoopNode boundary. A Loop witness may read `l.source`, `l.bound`, and
-// the loop body through the Dag, so `LoopBound::Descent` is not by
-// itself a blocker for the live `AnalysisDimension<SymbolicCost>`
-// declaration. The existing `loop_cost(d, acc, l)` implementation keeps
-// using `linear_at(l.source)` for both Cardinality and Descent loops
-// until a richer, authoritative cluster-measure fact is introduced.
-//
-// Forward Lens<SymbolicCost> note: current cost semantics still read
-// `LoopNode.source`, but R3 cost-lens composition should not carry that
-// shortcut forward. `LoopBound::Descent` now carries its own runtime
-// `measure: PortId`, plus the shared `loop_bound_measure(LoopBound) ->
-// PortId` accessor, so a source-less `Lens<C>.iterate: fn(C, LoopBound)
-// -> C` can read the bound honestly once the lens fold lands. Current
-// mapping:
-//
-//   - `Cardinality { count }` -> `LinearCost({ source_port: count })`
-//   - `Descent { cluster, measure }` -> currently
-//     `LinearCost({ source_port: l.source })` through the enclosing
-//     `LoopNode`, with a ratchet that `l.source ==
-//     loop_bound_measure(l.bound)` until direct `LoopNode.source` cost
-//     reads retire. The cluster sidecar carries termination witness
-//     topology, not a replacement cost carrier.
-//
-// Do not choose `UnknownCost("mutual recursion descent cluster")` as a
-// local migration convenience. `UnknownCost` is an algebra top, not a
-// failure channel; if a future lens fold wants a different Descent cost
-// policy, that must be named as the authoritative substrate decision.
-// Until the class-5 data declaration and direct `LoopNode.source` cost
-// reads retire, preserve `compute_symbolic_costs` / `symbolic_cost_of`
-// as the primary API — `cost_lens` composes from those helpers (gate #90),
-// not a divergent cost pipeline.
diff --git a/src/v3/lenses/cost_target_realization.dag b/src/v3/lenses/cost_target_realization.dag
deleted file mode 100644
index b363fcad740..00000000000
--- a/src/v3/lenses/cost_target_realization.dag
+++ /dev/null
@@ -1,66 +0,0 @@
-// lenses.cost_target_realization — `.dag`-tier consumer of the
-// `declaration_by_name` substrate accessor introduced by Slice 1a.0
-// (PR #2194 merged at commit 633f83854; T-CostLens-Composition follow-on
-// per gunb-ai/gunbc#2141 ε ratification at gunbc#2181 #issuecomment-4401584012).
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY N/A
-//   (v3-native; ε path consumer-evidence-only — not a v2 mirror. The
-//   six per-category meta-type resolvers are pure single-call delegations
-//   to `declaration_by_name`, fail-closed at the substrate-Option boundary.
-//   See `docs/v3-lens-capability-register.md` cost_target_realization.dag row.)
-//
-// **Slice 1a.1 (minimum-viable consumer-proof)**: provides `.dag`-tier
-// fns that acquire the substrate meta-type `DeclarationId`s needed for
-// per-target realization-cost extraction. Mechanically demonstrates the
-// `declaration_by_name(d, "TypeRealization")` etc. access pattern at
-// `.dag`-tier — closes Slice 1a.0's same-PR-consumer-evidence gap per
-// INVARIANTS P2 (codex BLOCKING surfaced post-merge at PR #2194
-// #issuecomment-4404079935).
-//
-// **Slice 1a.2 (Rust-side row walker)**: `v3_compiler::realization_cost`
-// filters realization rows by `meta_tag`, requires structural
-// `ValueBody.Structural.fields`, matches the active `language`, and extracts
-// each row's `target` / `op` key plus `cost: Int` into `RealizationCostTable`.
-// This stays Rust-side per ε ratification; the composition of abstract
-// `SymbolicCost` shape × per-target realization-cost remains the next slice.
-//
-// **ε factoring** (per `docs/proposals/q-cost-composition-layering-canvas.md`):
-//   - Layer 1 (target-agnostic abstract shape): `SymbolicCost` algebra at
-//     `src/v3/std/algebra.dag:181-188`; produced by `cost.dag`.
-//   - Layer 2 (language-agnostic per-primitive realization-cost facts):
-//     `data X: TypeRealization = { ..., cost: Int }` rows in `spec/{lang}.dag`.
-//   - Layer 3 (per-target concrete-cost composition): split lane. Slice 1a.1
-//     keeps `.dag`-tier meta-type resolver evidence here; Slice 1a.2 is the
-//     Rust-side row walker named above; Slice 1a.3+ owns follow-on composition.
-
-module lenses.cost_target_realization
-
-import std.substrate { Dag, Declaration, declaration_by_name }
-
-// Acquire the `DeclarationId` of the `TypeRealization` meta-type by
-// name. The returned `Declaration?` carries the meta-type's full
-// declaration when known; `None` indicates the substrate doesn't
-// declare `TypeRealization` (a substrate-integrity violation a
-// downstream consumer treats as fail-closed).
-fn type_realization_meta(d: Dag) -> Declaration? =
-  declaration_by_name(d, "TypeRealization")
-
-// Same shape for `CallableRealization`; mirror per-category.
-fn callable_realization_meta(d: Dag) -> Declaration? =
-  declaration_by_name(d, "CallableRealization")
-
-// Same shape for `OperatorRealization`.
-fn operator_realization_meta(d: Dag) -> Declaration? =
-  declaration_by_name(d, "OperatorRealization")
-
-// Same shape for `BehaviorRealization`.
-fn behavior_realization_meta(d: Dag) -> Declaration? =
-  declaration_by_name(d, "BehaviorRealization")
-
-// Same shape for `TypeInstantiationRealization`.
-fn type_instantiation_realization_meta(d: Dag) -> Declaration? =
-  declaration_by_name(d, "TypeInstantiationRealization")
-
-// Same shape for `PatternRealization`.
-fn pattern_realization_meta(d: Dag) -> Declaration? =
-  declaration_by_name(d, "PatternRealization")
diff --git a/src/v3/lenses/dag_shape.dag b/src/v3/lenses/dag_shape.dag
deleted file mode 100644
index b885d143456..00000000000
--- a/src/v3/lenses/dag_shape.dag
+++ /dev/null
@@ -1,33 +0,0 @@
-// lenses.dag_shape — reusable reflected-Dag shape producer.
-//
-// Producer-first substrate slice for Verification shape/isomorphism work.
-// Downstream TC1 eta-equivalence, TC2 strategy-order, TC3 evaluation-step,
-// and RustDagIsomorphism consumers should compare raw reflected `Dag` values
-// structurally instead of introducing one-off predicates.
-//
-// This file deliberately does not author Verification `TestClaim`s and does
-// not introduce a RustDagIsomorphism primitive. It only exposes the carrier and
-// producer surface that comparison shells such as `BinaryDimensionReportEquals`
-// can consume.
-
-module lenses.dag_shape
-
-import std.substrate {
-  Dag
-}
-
-// Raw reflected-Dag shape producer. The existing `std.substrate.Dag` product
-// remains the single authority for declarations, nodes, ports, and clusters;
-// this file must not restate that exact product as a second report record.
-// Normalization policies such as eta expansion, evaluation strategy ordering,
-// or id remapping belong to downstream producers before they compare reports.
-fn dag_shape_report(d: Dag) -> Dag =
-  d
-
-// Lens-shaped Dag shape production is intentionally not part of this slice.
-// The live Lens<C> read contract is per-Behavior, while this raw producer
-// returns whole-Dag facts (`declarations`, `nodes`, `ports`, and `clusters`).
-// Forcing those facts through per-node helpers would drop reflected substrate
-// authority. A future lens surface needs either a separate behavior-only
-// carrier, an explicit framework contract for whole-Dag producers, or a named
-// normalized report carrier with invariants that differ from raw `Dag`.
diff --git a/src/v3/lenses/effect_enumeration.dag b/src/v3/lenses/effect_enumeration.dag
deleted file mode 100644
index 101ea3e9bdf..00000000000
--- a/src/v3/lenses/effect_enumeration.dag
+++ /dev/null
@@ -1,375 +0,0 @@
-// lenses.effect_enumeration — structural effect-shape lens.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE.
-// See docs/v3-lens-capability-register.md.
-//
-// --- F-β.2 / gate #82 — Operation-row consumer path ---
-//
-// Locked design: docs/design-effect-enumeration-resource-threading.md §3.2 + §6.2.
-// Sequencing: docs/audit/r3-cluster-f-sequencing-plan-2026-05-09.md §1.2 (F-β.2).
-// Gate #82's completed behavior is the generated Operation consumer
-// `operation_structural_effect_shape(Operation)`, which consumes existing
-// `v3.std.services::Operation` rows through canonical
-// `std.effects::operation_effect_shape`. `enumerate_effects(Dag)` remains the
-// behavior-node report path pinned by gate #87; it does not directly discover
-// Operation rows until a future substrate hook exposes those rows inside `Dag`.
-//
-// **Caller-side effect-set pinning carrier** — no new substrate type. The
-// pinning surface is the existing `v3.std.services::Operation` row:
-//   type Operation { callable: CallableRef; inputs: Map<String, InputField>;
-//                    endpoint: RestEndpointBinding }
-//
-// **Which `Operation` fields the gate #82 consumer reads for effect facts**
-// (Director ratification target — disposition is design-locked):
-//
-// - `callable: CallableRef` — PRIMARY authority. Resolve `callable.decl` to
-//   the arrow declaration. Effect *set*: resource types that appear in both the
-//   arrow's input record and its output (§2.4(a)). Effect *kind*: read from
-//   declared algebra inhabitance on that callable (`IdempotentRead<R>` /
-//   `Mutating<R>` / `Append<R>`), not from transport or signature-shape
-//   defaults (§2.4(b), §6.2).
-//
-// - `inputs: Map<String, InputField>` — keys enforce `ParamToken.name` /
-//   fixture-load single-authority for input field names (`services.dag` header).
-//   Not a parallel "requires { ... }" effect pin (design §3.3). The lens may
-//   touch this map only for boundary/coverage diagnostics, not as an alternate
-//   EffectShape derivation channel.
-//
-// - `endpoint: RestEndpointBinding` — E-9 per-target realization (`method`,
-//   `path` live here for emitters). The Operation consumer MUST NOT feed
-//   endpoint shape into effect-kind classification (retires
-//   `derive_effect_shape(method, path)` / Channel-B ambient metadata; design
-//   §6.2 + §8.3).
-//
-// **Resource-threading unified rule** (design §2.4) — two orthogonal structural
-// facts the Operation kind-classifier consumes: (a) effect set from the threaded
-// arrow signature behind `Operation.callable`; (b) effect kind from
-// inhabitance on that callable. Signature alone cannot split read vs write;
-// missing kind inhabitance for a resource in the effect set is fail-closed
-// (`EffectKindUndeclared` in the design pseudocode), not a silent default.
-//
-// **Report-surface boundary**: `enumerate_effects(Dag)` still folds
-// `Dag.nodes` / `Behavior` only. If a later migration teaches the report carrier
-// to discover grounded `Operation` rows (`List<Operation>` fixtures per PR-β..ω
-// lineage in `services.dag` header), that path must consume the same
-// `operation_structural_effect_shape(Operation)` authority instead of
-// reintroducing a signature or endpoint-derived classifier.
-//
-// ---
-//
-// The behavior-node report surface walks the five Behavior variants and derives
-// effect facts from callable type-signature shape, not from the legacy
-// enumerated taxonomy.
-// The current substrate does not yet expose a resource-kind witness, so
-// same-resource threading is recognized conservatively as a callable whose
-// output declaration is one of its input declarations. Non-callable transforms
-// are pure at this scope; callable signatures that cannot be inspected report
-// `CoverageGap` instead of silently fabricating an effect.
-//
-// The forward walk relies on `d.nodes` exposing producers before consumers, the
-// same ordering used by the existing cost lenses. If that substrate ordering is
-// violated, lookups degrade to `UnknownEffect`/`CoverageGap` instead of inventing
-// a concrete effect.
-
-module lenses.effect_enumeration
-
-import std.list { List, empty, fold, cons }
-import std.effects {
-  BreakingShape,
-  EffectClassificationResult,
-  EffectShape,
-  IdempotentShape,
-  classify_operation_effect
-}
-import v3.std.services { Operation }
-import v3.std.substrate {
-  Dag,
-  Behavior,
-  BranchPath,
-  BindNode,
-  TransformNode,
-  TransformTarget,
-  TypeConnective,
-  ArrowBody,
-  DeclarationId,
-  PortId,
-  NodeId,
-  node,
-  port,
-  resolve_producer,
-  declaration_by_id
-}
-
-// Dual current authority sites: the behavior-node report surface and the
-// services Operation adapter. Variants are tag-only; concrete classification is
-// owned by the functions below.
-type EffectEnumerationAuthoritySite =
-  SubstrateDagBehaviorNode
-  | ServicesOperationCarrier
-
-// `UnknownEffect` remains an explicit unknown-carrying variant while transaction
-// witness depth and read/write threading stabilize. This prevents format-driven
-// behavior from being projected as a complete terminal fact set before the
-// substrate-side witness shape is first-class.
-//
-// Classification: 🟡 workaround-shaped coproduct (§modeling-discipline Practice 4).
-// Dissolution trigger: when the tracked begin/commit witness and write/read
-// threading facts land as durable `std` substrate carriers, replace this enum with
-// a narrower structural shape whose variants are all terminal in scope.
-type StructuralEffectShape
-  = NoEffect
-  | ReadShaped
-  | WriteShaped
-  | UnknownEffect { reason: String }
-
-type EffectFact {
-  port: PortId
-  shape: StructuralEffectShape
-}
-
-// Coverage reasons are terminal at this scope and intentionally do not use a
-// coproduct in the same way as surface facts.
-type CoverageGap {
-  node: NodeId
-  reason: String
-}
-
-type RedundantReadError {
-  first_read: PortId
-  redundant_read: PortId
-  reason: String
-}
-
-// Transaction detection is scaffold-shaped at this stage: the report carries a
-// transaction slot, but the current substrate has no begin/modify/commit witness
-// that can distinguish transactional binds from ordinary bind composition.
-// Generic `lane2_workflow` evidence is intentionally insufficient authority.
-//
-// Classification: 🟡 workaround-shaped coproduct (§modeling-discipline Practice 4).
-// Dissolution trigger: replace with a terminal `std` witness-backed transaction
-// sum once the `v3.std.substrate`/`v3.std.effects` pipeline exposes begin,
-// modify, and commit markers as authoritative, parseable rows.
-type TransactionalPattern
-  = NoTransaction
-  | BeginModifyCommit { root: NodeId }
-
-type EffectEnumerationReport {
-  facts: List<EffectFact>
-  coverage_gaps: List<CoverageGap>
-  redundant_reads: List<RedundantReadError>
-  transaction: TransactionalPattern
-}
-
-fn enumerate_effects(d: Dag) -> EffectEnumerationReport =
-  {
-    facts: compute_effect_facts(d),
-    coverage_gaps: compute_coverage_gaps(d),
-    redundant_reads: empty(),
-    transaction: transaction_pattern(d)
-  }
-
-fn operation_structural_effect_shape(op: Operation) -> StructuralEffectShape =
-  match classify_operation_effect(op) {
-    EffectClassified { shape: shape } => effect_shape_to_structural(shape)
-    EffectClassificationFailed { failure: _ } =>
-      UnknownEffect {
-        reason: "operation effect classification failed"
-      }
-  }
-
-fn effect_shape_to_structural(shape: EffectShape) -> StructuralEffectShape =
-  match shape {
-    IsIdempotent(idempotent) => idempotent_shape_to_structural(idempotent)
-    IsBreaking(breaking) => breaking_shape_to_structural(breaking)
-  }
-
-fn idempotent_shape_to_structural(shape: IdempotentShape) -> StructuralEffectShape =
-  match shape {
-    ReadEffect => ReadShaped
-    UpsertEffect { key_source: _ } => WriteShaped
-    DeleteEffect { key_source: _ } => WriteShaped
-  }
-
-fn breaking_shape_to_structural(shape: BreakingShape) -> StructuralEffectShape =
-  match shape {
-    CreateEffect { cause: _ } => WriteShaped
-    AppendEffect => WriteShaped
-  }
-
-fn compute_effect_facts(d: Dag) -> List<EffectFact> =
-  fold(d.nodes, empty(), |acc, behavior|
-    cons(effect_fact_for(d, acc, behavior), acc)
-  )
-
-fn effect_fact_for(
-  d: Dag,
-  acc: List<EffectFact>,
-  behavior: Behavior
-) -> EffectFact =
-  match behavior {
-    Value(v) => { port: v.result_port, shape: NoEffect }
-    Transform(t) => { port: t.result_port, shape: transform_effect(d, t) }
-    Branch(b) => { port: b.result_port, shape: branch_effect(acc, b.paths) }
-    Loop(l) => { port: l.result_port, shape: loop_effect(d, acc, l.body) }
-    Bind(bind) => { port: bind.result_port, shape: bind_effect(d, acc, bind) }
-  }
-
-fn bind_effect(d: Dag, acc: List<EffectFact>, bind: BindNode) -> StructuralEffectShape =
-  match resolve_producer(d, bind.result_port) {
-    None => UnknownEffect { reason: "bind result producer missing from substrate" }
-    Some(producer) =>
-      if behavior_node_id(producer) == bind.id then
-        UnknownEffect { reason: "bind result producer self-shadows bind output" }
-      else
-        effect_at(acc, behavior_result_port(producer))
-  }
-
-fn transform_effect(d: Dag, t: TransformNode) -> StructuralEffectShape =
-  match t.target {
-    Callable(id) => callable_signature_effect(d, id)
-    UnresolvedFieldProject(_) => NoEffect
-    ResolvedFieldProject(_) => NoEffect
-    Operator(_) => NoEffect
-  }
-
-fn callable_signature_effect(d: Dag, id: DeclarationId) -> StructuralEffectShape =
-  match declaration_by_id(d, id) {
-    None => UnknownEffect { reason: "callable declaration missing from substrate" }
-    Some(decl) =>
-      match decl.connective {
-        Arrow(a) =>
-          callable_arrow_effect(a.inputs, a.output, a.body)
-        Atom(_) => UnknownEffect { reason: "transform target is not an arrow declaration" }
-        Conj(_) => UnknownEffect { reason: "transform target is not an arrow declaration" }
-        Disj(_) => UnknownEffect { reason: "transform target is not an arrow declaration" }
-        Cardinality(_) => UnknownEffect { reason: "transform target is not an arrow declaration" }
-        Instantiation(_) => UnknownEffect { reason: "transform target is not an arrow declaration" }
-      }
-  }
-
-fn callable_arrow_effect(
-  inputs: List<DeclarationId>,
-  output: DeclarationId,
-  body: ArrowBody
-) -> StructuralEffectShape =
-  match inputs {
-    Empty => body_default_effect(body)
-    Cons(payload) =>
-      if payload.head == output then
-        WriteShaped
-      else
-        callable_arrow_effect(payload.tail, output, body)
-  }
-
-fn body_default_effect(body: ArrowBody) -> StructuralEffectShape =
-  match body {
-    ExternalRealization(_) => ReadShaped
-    UserDefined(_) => ReadShaped
-    NoBody => UnknownEffect { reason: "callable has no body and no external realization" }
-    Pending => UnknownEffect { reason: "callable body pending; signature coverage incomplete" }
-    Unparsed(_) => UnknownEffect { reason: "callable body unparsed; signature coverage incomplete" }
-  }
-
-fn branch_effect(acc: List<EffectFact>, paths: List<BranchPath>) -> StructuralEffectShape =
-  fold(paths, NoEffect, |running, path|
-    combine_effects(running, effect_at(acc, path.result_port))
-  )
-
-fn loop_effect(d: Dag, acc: List<EffectFact>, body: NodeId) -> StructuralEffectShape =
-  match node(d, body) {
-    None => UnknownEffect { reason: "loop body node missing from substrate" }
-    Some(behavior) => effect_at(acc, behavior_result_port(behavior))
-  }
-
-fn behavior_result_port(b: Behavior) -> PortId =
-  match b {
-    Value(v) => v.result_port
-    Transform(t) => t.result_port
-    Branch(br) => br.result_port
-    Loop(lp) => lp.result_port
-    Bind(bind) => bind.result_port
-  }
-
-fn combine_effects(a: StructuralEffectShape, b: StructuralEffectShape) -> StructuralEffectShape =
-  match a {
-    UnknownEffect(_) => a
-    WriteShaped => WriteShaped
-    ReadShaped =>
-      match b {
-        UnknownEffect(_) => b
-        WriteShaped => WriteShaped
-        ReadShaped => ReadShaped
-        NoEffect => ReadShaped
-      }
-    NoEffect => b
-  }
-
-fn effect_at(facts: List<EffectFact>, target: PortId) -> StructuralEffectShape =
-  match facts {
-    Empty => UnknownEffect { reason: "effect fact missing for port" }
-    Cons(payload) =>
-      if payload.head.port == target then
-        payload.head.shape
-      else
-        effect_at(payload.tail, target)
-  }
-
-fn compute_coverage_gaps(d: Dag) -> List<CoverageGap> =
-  compute_coverage_gaps_from_facts(d.nodes, d, compute_effect_facts(d))
-
-fn compute_coverage_gaps_from_facts(
-  nodes: List<Behavior>,
-  d: Dag,
-  facts: List<EffectFact>
-) -> List<CoverageGap> =
-  match nodes {
-    Empty => empty()
-    Cons(payload) =>
-      prepend_gap(
-        coverage_gap_for(d, facts, payload.head),
-        compute_coverage_gaps_from_facts(payload.tail, d, facts)
-      )
-  }
-
-fn prepend_gap(gap: List<CoverageGap>, acc: List<CoverageGap>) -> List<CoverageGap> =
-  match gap {
-    Empty => acc
-    Cons(payload) => cons(payload.head, prepend_gap(payload.tail, acc))
-  }
-
-fn coverage_gap_for(d: Dag, facts: List<EffectFact>, behavior: Behavior) -> List<CoverageGap> =
-  match behavior {
-    Transform(t) =>
-      coverage_gap_for_effect(t.id, transform_effect(d, t))
-    Branch(br) =>
-      coverage_gap_for_effect(br.id, branch_effect(facts, br.paths))
-    Loop(l) =>
-      coverage_gap_for_effect(l.id, loop_effect(d, facts, l.body))
-    Bind(bind) =>
-      coverage_gap_for_effect(bind.id, effect_at(facts, bind.result_port))
-    Value(_) => empty()
-  }
-
-fn coverage_gap_for_effect(id: NodeId, shape: StructuralEffectShape) -> List<CoverageGap> =
-  match shape {
-    UnknownEffect(u) =>
-      cons(
-        { node: id, reason: u.reason },
-        empty()
-      )
-    NoEffect => empty()
-    ReadShaped => empty()
-    WriteShaped => empty()
-    }
-
-fn transaction_pattern(d: Dag) -> TransactionalPattern =
-  NoTransaction
-
-fn behavior_node_id(behavior: Behavior) -> NodeId =
-  match behavior {
-    Value(v) => v.id
-    Transform(t) => t.id
-    Branch(b) => b.id
-    Loop(l) => l.id
-    Bind(bind) => bind.id
-  }
diff --git a/src/v3/lenses/emission_provenance.dag b/src/v3/lenses/emission_provenance.dag
deleted file mode 100644
index af3f34e03dc..00000000000
--- a/src/v3/lenses/emission_provenance.dag
+++ /dev/null
@@ -1,150 +0,0 @@
-// lenses.emission_provenance — structural fns for the
-// `Lens<List<EmissionProvenance>>` analysis.
-//
-// Status: STRUCTURALLY TERMINAL (fns); LENS-INSTANCE FIXTURE-BOUND;
-// BEHAVIORALLY DEFERRED.
-// (Same *structural lens first, behavioral wiring later* staging discipline
-// as historical `lenses.cost` work — `lenses.cost` is now BEHAVIORALLY COMPLETE
-// for its abstract scope — and `lenses.dag_shape` producer-only patterns.)
-//
-// **What lives here vs. the test fixture:** this file authors the five
-// structural fns the `Lens<C>` framework requires (`read_provenance`,
-// `concat_provenance`, `branch_provenance`, `iterate_provenance`,
-// `validate_provenance`) plus the `_seed_list_provenance_empty()`
-// lowering seed. The `data emission_provenance_lens:
-// Lens<List<EmissionProvenance>>` **instance** is fixture-bound in
-// `src/v3/compiler/tests/integration/emission_provenance_lens_test.rs::LENS_FIXTURE_SOURCE`
-// rather than a top-level production `data` item, blocked on Class 5
-// Gap 3 (see §"Substrate-gap receipt" below). When Class 5 Gap 3
-// closes, the fixture instance promotes to a top-level `data` item
-// here; the structural fns above don't change.
-//
-// Per Director Q1 (a) RATIFIED at gunbc#1739 #issuecomment-4392562911,
-// emission-provenance is a Lens<C>-shaped per-Behavior analysis whose
-// per-Behavior `List<EmissionProvenance>` flattens to a per-line view at
-// the visualization layer. Per-line instrumentation (Q1 b) and parallel
-// substrates (Q1 d) were rejected; (a) per-Behavior is the substrate.
-//
-// **Behavioral attribution wiring is deferred.** Producing real
-// `EmissionProvenance` entries from a `Behavior` requires the emitter
-// to record which `*SyntaxBinding` / `*OpsBinding` field-path fired
-// for each emitted line — instrumentation hooks in
-// `src/v3/compiler/src/emit/rust_target.rs`'s `render_named_template`
-// call sites. That code-side work is a separate downstream slice
-// (precedent: `lenses.cost` staged structural APIs before behavioral
-// completion). This file authors
-// the structural lens shape so the carrier + lens declaration are
-// landed and consumable; the `read` body is a fail-closed `Empty`
-// stub until producer wiring lands.
-//
-// **Bundled-scope discipline** per Director ratification at
-// gunbc#1739 #issuecomment-4392225548: Grounding-side visualization
-// consumer wiring is NOT bundled here.
-
-module lenses.emission_provenance
-
-import std.list { List, Empty, concat }
-import std.substrate { Dag, Behavior, LoopBound }
-import v3.std.dimensions { Witness, OptionalDiagnostic }
-import v3.std.lens { Lens }
-import v3.std.emission_provenance { EmissionProvenance }
-
-// Lowering seed for `List<EmissionProvenance>.Empty`. The `Empty` sum
-// variant is generic in `element`; the lowerer needs an explicit
-// `List<τ>` return-type witness to instantiate the variant for the
-// concrete `τ = EmissionProvenance` shape that `read_provenance` /
-// `concat_provenance` / branch_provenance / iterate_provenance depend
-// on. Same pattern as the `_e6_seed_list_*_empty` fns at
-// `src/v3/compiler/tests/integration/e6_g1a_option3_static_lens_test.rs:45-48`.
-fn _seed_list_provenance_empty() -> List<EmissionProvenance> = Empty
-
-// Per-Behavior provenance read.
-//
-// 🟡 Placeholder read. Returns `Inhabits(Empty)` — every Behavior contributes an
-// empty provenance list. Producer wiring (instrumenting
-// `render_named_template` call sites in `rust_target.rs` to record
-// rule-fired-at-line per Behavior) is a separate downstream slice.
-//
-// `Inhabits(Empty)` is fail-closed at the structural-shape level: an
-// honest "no provenance attribution authored yet" rather than a
-// fabricated entry. When producer wiring lands, this body lifts to a
-// real per-Behavior fold without changing the lens declaration shape.
-fn read_provenance(d: Dag, b: Behavior) -> Witness<List<EmissionProvenance>> =
-  Inhabits(_seed_list_provenance_empty())
-
-// Sequential composition: list concatenation (the canonical free-monoid
-// op for `List<T>`). `BindNode` cost-basis aggregates left-to-right.
-fn concat_provenance(
-  a: List<EmissionProvenance>,
-  b: List<EmissionProvenance>
-) -> List<EmissionProvenance> =
-  concat(a, b)
-
-// Branch composition: concat over both arms. Per the Lens<C> framework
-// note on `branch` — static-emission analysis captures both branches;
-// runtime exclusivity is orthogonal to static-emission tracking. Both
-// branches' emitted lines belong to the program's emission surface.
-fn branch_provenance(
-  left: List<EmissionProvenance>,
-  right: List<EmissionProvenance>
-) -> List<EmissionProvenance> =
-  concat(left, right)
-
-// Iteration composition: identity. Loop bodies are emitted once
-// (the LoopBound is data, not source); iterating the body's
-// emission lines doesn't multiply emitted-line count. Worker confirmed
-// by reading `render_loop` at `rust_target.rs:4782` — the body is
-// emitted once per `LoopNode`, not per iteration.
-fn iterate_provenance(
-  c: List<EmissionProvenance>,
-  bound: LoopBound
-) -> List<EmissionProvenance> =
-  c
-
-// Aggregate validation. Record form makes "rule absent" structurally
-// impossible; absence of optional structural source attribution is
-// structurally legal and NOT a diagnostic. Worker greps producer-side at PR-author time:
-// no rule field-path that doesn't resolve to a real `*SyntaxBinding` /
-// `*OpsBinding` field at HEAD should be authored. (When real producer
-// wiring lands, this validate body lifts to round-trip the field-path
-// against the structural addressing surface.)
-//
-// **Stringly-typed defense** — `EmissionRule = String` is by-design per
-// Director Q3 `feedback_reason_not_label` (substrate carries structural
-// truth via field-path; nominal aliases are display-layer derived) but
-// the type can't enforce well-formed field-paths. When producer wiring
-// lands, this validate body assumes the field-path-resolves-to-real-field
-// defense (round-trip against the `*SyntaxBinding` / `*OpsBinding`
-// field set at HEAD); malformed paths surface as aggregate diagnostic.
-fn validate_provenance(d: Dag, c: List<EmissionProvenance>) -> OptionalDiagnostic =
-  NoDiagnostic
-
-// 🟡 SCAFFOLD — the `data emission_provenance_lens: Lens<List<EmissionProvenance>>`
-// instance declaration is authored as a TEST FIXTURE (see
-// `src/v3/compiler/tests/integration/emission_provenance_lens_test.rs`)
-// rather than as a top-level `data` item here, matching the
-// `named_function_count.dag` / `dag_shape.dag` precedent: lens .dag
-// files in `src/v3/lenses/` declare the structural fns and types; the
-// `data <name>_lens: Lens<C>` instance is bound in a fixture context
-// (compare `e6_g1a_option3_static_lens_test.rs::mini_lens`).
-//
-// **Substrate-gap receipt** — promoting the instance to a top-level
-// `data` declaration here is currently blocked by Class 5 Gap 3
-// (top-level `ValueBody` boundary at `src/v3/compiler/src/dag.rs:259-287`).
-// Two facets of the same gap surface depending on how the lens monoid
-// `identity` field is encoded:
-//   1. Bare sum-variant literal (`identity: Empty`) — fails because
-//      sum-variant literals don't lower in `data` body context.
-//   2. Nested-fn reference (`identity: empty_provenance_list`) —
-//      fails because the data body is rejected as opaque (the
-//      lowerer can't structurally validate a fn-typed value in a
-//      `data` body field).
-// Both reduce to the same root: `data` bodies don't accept top-level
-// non-scalar / non-record carriers. The same constraint blocks the
-// canonical generic `data list_monoid<element>: Monoid<List<element>>`
-// declaration documented at `src/v3/std/list.dag:61-64`. Dissolution
-// trigger: when Class 5 Gap 3 closes for *both* facets (top-level
-// `List` / sum-variant `ValueBody` carriers land AND fn-typed fields
-// in `data` bodies validate structurally), the instance promotes from
-// fixture-bound to top-level `data` here without lens-shape changes.
-// If only one facet closes first, this comment block updates accordingly.
diff --git a/src/v3/lenses/idempotency.dag b/src/v3/lenses/idempotency.dag
deleted file mode 100644
index d5d181c5229..00000000000
--- a/src/v3/lenses/idempotency.dag
+++ /dev/null
@@ -1,39 +0,0 @@
-// lenses.idempotency — Lane 2 Stage 2b workflow idempotency dispatch.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE.
-// See docs/v3-lens-capability-register.md.
-//
-// Reads `lane2_workflow` through the substrate accessor `lane2_workflow_at`
-// (reflected on `ValueNode` / `BindNode` in `v3.std.substrate`) and dispatches
-// to `std.effects::lane2_workflow_idempotency_report`, whose `match` on
-// `WorkflowEffect` is authored in `src/v3/std/effects.dag`. The crate entry
-// `v3_compiler::analyze_workflow` is the native-`Dag` convenience over the same
-// projection, implemented in `src/v3/compiler/src/dag/effects.rs`. Tier3
-// **parallel file** `workflow_idempotency.rs` is retired; full §Acceptance
-// “emitted/evaluated std.effects authority” for gate #4 remains gated on
-// lowering `lane2_workflow_idempotency_report` away from `ArrowBody::Unparsed`
-// in the bootstrap `Dag` (see `lane2_stage_2b_db18_test` receipt on the Rust
-// side).
-//
-// CI exercises lens emission in `m2_lens_idempotency_emit_test` (Rust/Go/Python
-// emit smoke) and rustc round-trip in `m2_lens_idempotency_migration_test`.
-
-module lenses.idempotency
-
-import v3.std.substrate { Dag, NodeId, lane2_workflow_at }
-import std.effects {
-  WorkflowIdempotencyReport,
-  lane2_workflow_idempotency_report,
-  report_unsupported_workflow_variant
-}
-
-fn analyze_workflow(d: Dag, workflow_root: NodeId) -> WorkflowIdempotencyReport =
-  match lane2_workflow_at(d, workflow_root) {
-    None =>
-      report_unsupported_workflow_variant(
-        "Lane2WorkflowRoot",
-        "lane2_stage2b_idempotency_lens",
-        "no WorkflowEffect at this substrate root - populate `lane2_workflow` on `Value`/`Bind` via lowering or `try_register_lane2_workflow_effect`"
-      )
-    Some(wf) => lane2_workflow_idempotency_report(d, wf)
-  }
diff --git a/src/v3/lenses/infer_helpers.dag b/src/v3/lenses/infer_helpers.dag
deleted file mode 100644
index 3750659b81e..00000000000
--- a/src/v3/lenses/infer_helpers.dag
+++ /dev/null
@@ -1,292 +0,0 @@
-// SG-4b-1 prototype tranche — bounded Cat-1/Cat-2 infer helpers.
-//
-// Status: STRUCTURALLY PARTIAL; BEHAVIORALLY N/A (intentionally bounded prototype).
-// See docs/v3-lens-capability-register.md.
-//
-// This prototype deliberately stops short of the refinement/discharge
-// readers. The existing reflected `BindNode` carrier does not expose
-// the predicate body port that `predicate_info` needs, so the helper
-// path cannot move that slice honestly without substrate work.
-//
-// It also leaves `walk_to_optional_cardinality_decl`,
-// `callable_template_arguments`, `is_retryable_generic_decl_walk`, and
-// `declaration_is_callable` in Rust for now: the current reflected
-// helper surface does not expose the canonical total
-// `Dag::declaration(id)` accessor, so the first two cannot move
-// honestly without parallel lookup authority, and the current lens
-// path cannot yet express the third's termination proof. `infer.rs`
-// remains authoritative for those remainders.
-//
-// SG-4b-4 moves `template_arguments_match` as a bounded Cat-2 cluster.
-// The lens->Rust emitter still shadows nested `Cons` pattern bindings,
-// so the function is factored into three single-match helpers that
-// never nest list matches — each function inspects at most one
-// `List<TemplateArgument>` via `match`, with the other side passed as
-// already-destructured components.
-//
-// SG-4b-5 moves `filter_non_self_template_arguments` — the DB-16
-// self-binding strip (`parameter == value`) used when normalizing
-// `Instantiation` argument lists for structural comparison. `infer.rs`
-// keeps the `TypeConnective::Instantiation` unwrap; this helper is
-// pure list mechanics only.
-//
-// SG-4b (callable-instantiation normalization / anonymous-instantiation
-// equivalence cluster): this tranche closes the normalization seam by
-// taking the reflected `TypeConnective` directly — no declaration
-// accessor authority added. `normalize_instantiation_arguments` moves
-// the `Instantiation` destructure + self-binding strip into a single
-// pure-reflected-data helper; `infer.rs::normalized_instantiation_args`
-// becomes a thin shell that does the declaration lookup (authority
-// stays in Rust) and hands the connective to this helper. Combined
-// with the generated `template_arguments_match` consumer in
-// `find_equivalent_anonymous_instantiation` (same PR), the full
-// "normalize + compare" seam for anonymous-instantiation equivalence
-// now runs through generated helpers.
-//
-// Intentionally left in Rust (STOP boundary):
-//   - `callable_template_arguments` / `retained_template_arguments_for_target`
-//     — would require a new declaration accessor surface
-//   - `resolve_callable_target` / `materialize_callable_signature_instantiations`
-//     — broader callable-target resolution, not normalization mechanics
-//   - the pairwise walk in `callable_decls_equal_under_subst`
-//     — interleaves `resolve_decl_with_subst` + `declaration_shapes_equivalent`
-//       per element; not pure list mechanics
-
-module lenses.infer_helpers
-
-import std.list { List, empty, cons }
-import v3.std.substrate {
-  Behavior, BranchPath, BranchPattern, DeclarationId, SourceByteSpan, SourceSpan,
-  TemplateArgument, TypeConnective,
-  hit_declaration_id_lookup,
-  miss_declaration_id_lookup
-}
-import v3.std.lookup { Lookup }
-
-// SG-4b-3 template-argument reconciliation tranche — still pure
-// Cat-2 list mechanics, but now covering the real equality/update
-// helpers that `infer.rs` uses while resolving callable targets.
-type TemplateArgumentBinding
-  = Conflict
-  | NoOp
-  | Append
-  | ReplaceAt(Int, DeclarationId)
-
-// SG-4b-4 template-argument match result. Pure pairwise equality over
-// two `List<TemplateArgument>`s; mirrors the existing decision-enum
-// pattern (`Lookup<DeclarationId>`, `TemplateArgumentBinding`) so the
-// helper avoids a `Bool` return while the lens->Rust emitter's Bool
-// mapping is still untested.
-//
-// Classification: 🟡 workaround-shaped coproduct (§modeling-discipline
-// coproduct-dissolution ratchet). This is a `Bool` spelled as a
-// 2-variant coproduct; the only reason it is not written as `Bool` is
-// that the lens->Rust emitter does not yet have a tested `Bool`
-// mapping for helper returns.
-//
-// Dissolution trigger: the lens->Rust emitter lands a verified `Bool`
-// mapping (paired with updated `Lookup<DeclarationId>` /
-// `TemplateArgumentBinding` decision helpers so all four dissolve
-// together). At that point every call site collapses to a direct
-// `Bool` return and this type deletes.
-type TemplateArgumentsMatch
-  = Match
-  | Mismatch
-
-// Non-recursive rhs-cursor used to destructure the second list without
-// a second `match` over `List`, avoiding the lens->Rust emitter's
-// nested-`Cons`-binding shadow. Pure projection.
-//
-// Classification: 🟡 workaround-shaped coproduct. `CursorEnd` /
-// `CursorHead` duplicates `List`'s own `Empty` / `Cons` shape; it
-// exists solely because two stacked `match` expressions over `List`
-// produce shadowed `__list_head` / `__list_tail` bindings in generated
-// Rust.
-//
-// Dissolution trigger: the lens->Rust emitter scopes `Cons` pattern
-// bindings uniquely per nested match (no name-clash shadowing). At
-// that point `template_arguments_match` inlines the second `match`
-// over `rhs` directly and this type, plus `template_argument_cursor`,
-// deletes.
-type TemplateArgumentCursor
-  = CursorEnd
-  | CursorHead { head: TemplateArgument, tail: List<TemplateArgument> }
-
-fn behavior_output_port(behavior: Behavior) -> PortId =
-  match behavior {
-    Value(v) => v.result_port
-    Transform(t) => t.result_port
-    Branch(b) => b.result_port
-    Loop(l) => l.result_port
-    Bind(bind) => bind.result_port
-  }
-
-// Pure match over reflected `BranchPattern`; total — the
-// `branch_span` fallback covers the resolved-variant case. Returns
-// `SourceByteSpan` so lens output does not surface `SourceSpan.file`
-// participation (R3 gate #31).
-fn payload_binding_span(
-  path: BranchPath,
-  branch_span: SourceSpan
-) -> SourceByteSpan =
-  match path.pattern {
-    UnresolvedVariant(u) => { byte_start: u.span.start, byte_end: u.span.end }
-    ResolvedVariant(_) =>
-      { byte_start: branch_span.start, byte_end: branch_span.end }
-  }
-
-fn template_argument_value(
-  arguments: List<TemplateArgument>,
-  parameter: DeclarationId
-) -> Lookup<DeclarationId> =
-  match arguments {
-    Empty => miss_declaration_id_lookup()
-    Cons(payload) =>
-      if payload.head.parameter == parameter then
-        hit_declaration_id_lookup(payload.head.value)
-      else
-        template_argument_value(payload.tail, parameter)
-  }
-
-fn resolve_template_argument_value(
-  remaining: Int,
-  arguments: List<TemplateArgument>,
-  current: DeclarationId
-) -> DeclarationId =
-  if remaining <= 0 then
-    current
-  else
-    match template_argument_value(arguments, current) {
-      Miss => current
-      Hit(next) =>
-        if next == current then
-          current
-        else
-          resolve_template_argument_value(remaining - 1, arguments, next)
-    }
-
-fn push_template_argument_binding(
-  arguments: List<TemplateArgument>,
-  parameter: DeclarationId,
-  value: DeclarationId
-) -> TemplateArgumentBinding =
-  push_template_argument_binding_at(arguments, parameter, value, 0)
-
-fn push_template_argument_binding_at(
-  arguments: List<TemplateArgument>,
-  parameter: DeclarationId,
-  value: DeclarationId,
-  index: Int
-) -> TemplateArgumentBinding =
-  match arguments {
-    Empty => Append
-    Cons(payload) =>
-      if payload.head.parameter == parameter then
-        if payload.head.value == parameter then
-          ReplaceAt(index, value)
-        else
-          if payload.head.value == value then
-            NoOp
-          else
-            Conflict
-      else
-        push_template_argument_binding_at(payload.tail, parameter, value, index + 1)
-  }
-
-// Pairwise equality over two `List<TemplateArgument>`. The sole
-// recursive function is `template_arguments_match`, which matches on
-// `lhs` and recurses on its structurally-smaller tail. The second
-// list is inspected via the non-recursive `template_argument_cursor`
-// helper, so the emitted Rust never contains a `match` over one list
-// nested inside a `match` over another list (the known lens->Rust
-// emitter shadowing bug).
-fn template_arguments_match(
-  lhs: List<TemplateArgument>,
-  rhs: List<TemplateArgument>
-) -> TemplateArgumentsMatch =
-  match lhs {
-    Empty => template_arguments_rhs_empty(rhs)
-    Cons(lp) =>
-      match template_argument_cursor(rhs) {
-        CursorEnd => Mismatch
-        CursorHead(cur) =>
-          if lp.head.parameter == cur.head.parameter then
-            if lp.head.value == cur.head.value then
-              template_arguments_match(lp.tail, cur.tail)
-            else
-              Mismatch
-          else
-            Mismatch
-      }
-  }
-
-fn template_arguments_rhs_empty(
-  rhs: List<TemplateArgument>
-) -> TemplateArgumentsMatch =
-  match rhs {
-    Empty => Match
-    Cons(_) => Mismatch
-  }
-
-fn template_argument_cursor(
-  xs: List<TemplateArgument>
-) -> TemplateArgumentCursor =
-  match xs {
-    Empty => CursorEnd
-    Cons(p) => CursorHead { head: p.head, tail: p.tail }
-  }
-
-// Strip only self-bindings (`parameter == value`). See DB-16 / `infer.rs`
-// `normalized_instantiation_args` — non-self bindings must survive.
-// List construction uses `empty`/`cons` (std.list API) so both branches
-// agree on `List<TemplateArgument>`; raw `Empty`/`Cons` mixed with
-// `cons` tripped the v3 typechecker on this surface in SG-4b-5.
-fn filter_non_self_template_arguments(
-  arguments: List<TemplateArgument>
-) -> List<TemplateArgument> =
-  match arguments {
-    Empty => empty()
-    Cons(payload) =>
-      if payload.head.parameter == payload.head.value then
-        filter_non_self_template_arguments(payload.tail)
-      else
-        cons(payload.head, filter_non_self_template_arguments(payload.tail))
-  }
-
-// SG-4b callable-instantiation normalization decision. Consumers
-// (`infer.rs::normalized_instantiation_args`) look up a declaration in
-// Rust (declaration accessor authority stays there) and hand the
-// resulting `TypeConnective` to this helper. For `Instantiation`,
-// returns the template id plus the DB-16-normalized argument list
-// (self-bindings stripped). For every other connective, returns
-// `NotInstantiation` — the caller's `Option::None` signal.
-//
-// Classification: 🟡 workaround-shaped coproduct (Option-as-enum). This
-// is `Option<NormalizedInstantiation>` spelled as a 2-variant
-// coproduct; exists because the lens->Rust emitter's `T?` mapping for
-// compound helper returns is not yet wired. Dissolution trigger: same
-// as `TemplateArgumentsMatch` — when the emitter lands a verified `T?`
-// return mapping for helper outputs, collapse this and the decision
-// helpers together.
-type NormalizedInstantiationArgs
-  = NotInstantiation
-  | Normalized {
-      template: DeclarationId
-      args: List<TemplateArgument>
-    }
-
-fn normalize_instantiation_arguments(
-  connective: TypeConnective
-) -> NormalizedInstantiationArgs =
-  match connective {
-    Atom(_) => NotInstantiation
-    Conj(_) => NotInstantiation
-    Disj(_) => NotInstantiation
-    Arrow(_) => NotInstantiation
-    Cardinality(_) => NotInstantiation
-    Instantiation(payload) =>
-      Normalized {
-        template: payload.template,
-        args: filter_non_self_template_arguments(payload.arguments)
-      }
-  }
diff --git a/src/v3/lenses/lens_composition_associative_witness.dag b/src/v3/lenses/lens_composition_associative_witness.dag
deleted file mode 100644
index b23f8b5dc60..00000000000
--- a/src/v3/lenses/lens_composition_associative_witness.dag
+++ /dev/null
@@ -1,14 +0,0 @@
-// lenses.lens_composition_associative_witness - minimal `[ext]` gate witness for
-// `lens_composition_associative` (T-LensAPI / AlgebraicLaw::Associativity).
-//
-// The runner checks associativity on every triple in `lens_declaration_apply::ASSOCIATIVITY_WITNESS_TRIPLES`
-// via `int_associativity_holds_all_triples` (not a single sample), not a structural
-// operator-shape recognizer.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY N/A beyond the witness shape.
-// Not bundled into `Dag::new()` bootstrap; see `m1_5_user_authored_lens_gate_test`
-// lockstep pattern for `r1_gates.dag`.
-
-module lenses.lens_composition_associative_witness
-
-fn lens_composition_op(a: Int, b: Int) -> Int = a + b
diff --git a/src/v3/lenses/lower_helpers.dag b/src/v3/lenses/lower_helpers.dag
deleted file mode 100644
index 279eba02f59..00000000000
--- a/src/v3/lenses/lower_helpers.dag
+++ /dev/null
@@ -1,108 +0,0 @@
-// SG-3g prototype — first `.dag`-authority lowering helper.
-//
-// Status: STRUCTURALLY PARTIAL; BEHAVIORALLY N/A (intentionally bounded prototype).
-// See docs/v3-lens-capability-register.md.
-//
-// `expr_span` is the smallest real lowering primitive that survives
-// the current emit constraints: a pure match over `SurfaceExpr`'s
-// eleven named-field variants returning each variant's `span` as
-// `SourceByteSpan` (bytes only). Full lowering still needs a parse
-// `SourceSpan` including `file`; `lower.rs` takes that from
-// `crate::parse::expr_span` (usually imported as `surface_expr_span`),
-// not from this lens helper.
-//
-// Two earlier candidate slices hit `emit_rust_module` gaps and were
-// rejected:
-//
-//   1. `SurfaceLiteral -> LiteralBits`. `src/v3/std/substrate.dag`
-//      declares `LiteralBits = LitInt | LitBool | LitString` while
-//      the Rust enum is `Int | Bool | String`. No variant-rename
-//      facility exists in `spec/rust.dag`, and `emit_rust_module`
-//      emits variant names verbatim, so the helper can't construct
-//      the Rust variants from the `.dag` names.
-//
-//   2. `placeholder_connective -> TypeConnective::Atom(
-//      AtomPayload::UnresolvedIdentifier(name))`. The variant names
-//      align (`Atom`, `UnresolvedIdentifier` exist on both sides),
-//      but `render_variant_constructor` at
-//      `src/v3/compiler/src/emit/rust_target.rs:4296` unconditionally
-//      emits `Variant { _0: value }` struct-variant construction.
-//      That works for enums the emit also declares; it doesn't
-//      compile against the real tuple-variant Rust enums in
-//      `crate::dag` (`TypeConnective::Atom(AtomPayload)` is a tuple
-//      variant).
-//
-// Both are tracked as separate prerequisite lanes — SG-3g is not
-// responsible for widening emit_rust_module to construct external
-// substrate variants.
-//
-// `expr_span` only reads variants and returns `SourceByteSpan` (byte
-// extent within the compilation unit; no `SourceSpan.file` surface on
-// the lens output), so neither construction gap applies. The generator
-// produces clean Rust for it.
-//
-// Wire-in: `lower.rs` imports `pattern_binding_names` and
-// `surface_item_span` from `crate::lower_helpers` (the latter is the
-// hand helper next to `include!("lower_helpers_generated.rs")` in
-// `lib.rs`). Expression extents for full `SourceSpan` come from
-// `crate::parse::expr_span`. Byte-only `lower_helpers::expr_span` is
-// used where parse glue stitches spans before calling
-// `SourceSpan::new(self.file, ...)` (see `parse_parser_body.txt`).
-// `parse::SurfaceExpr` matches `parse_surface::SurfaceExpr`
-// (`parse_generated.rs` re-exports the mirror), so no clone bridge.
-//
-// Placement under `lenses/` mirrors `infer_helpers.dag`: `build.rs`'s
-// auto-stager for `src/v3/compiler/*.dag` does not sweep this file
-// into the bootstrap; `regen_lens` reads it standalone via the
-// `LensRegistryEntry` record in `src/v3/compiler/regen.dag`.
-
-module lenses.lower_helpers
-
-import v3.std.substrate { SourceByteSpan }
-import std.list { List, empty, cons, singleton }
-import v3.std.parse_surface { SurfaceExpr, SurfaceItem, SurfacePattern, SurfacePatternField }
-
-fn expr_span(expr: SurfaceExpr) -> SourceByteSpan =
-  match expr {
-    Literal(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Var(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Path(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Call(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    VariantRecord(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Operator(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Lambda(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    If(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Match(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Record(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    List(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    Map(e) => { byte_start: e.span.start, byte_end: e.span.end }
-    PathCall(e) => { byte_start: e.span.start, byte_end: e.span.end }
-  }
-
-fn item_span(item: SurfaceItem) -> SourceByteSpan =
-  match item {
-    Let(i) => expr_span(i.expr)
-    Fn(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    FnExternalBody(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    Data(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    Module(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    Import(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    TypeAtom(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    TypeRecord(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    TypeSum(i) => { byte_start: i.span.start, byte_end: i.span.end }
-    TypeAlias(i) => { byte_start: i.span.start, byte_end: i.span.end }
-  }
-
-fn pattern_binding_names(pattern: SurfacePattern) -> List<String> =
-  match pattern {
-    BareVariant(_) => empty()
-    VariantWith(v) => singleton(v.binding)
-    VariantFields(v) => pattern_field_bindings(v.fields)
-  }
-
-fn pattern_field_bindings(fields: List<SurfacePatternField>) -> List<String> =
-  match fields {
-    Empty => empty()
-    Cons(payload) =>
-      cons(payload.head.binding, pattern_field_bindings(payload.tail))
-  }
diff --git a/src/v3/lenses/named_function_count.dag b/src/v3/lenses/named_function_count.dag
deleted file mode 100644
index 600c6bbf0c6..00000000000
--- a/src/v3/lenses/named_function_count.dag
+++ /dev/null
@@ -1,25 +0,0 @@
-// lenses.named_function_count - minimal user-authored lens (Day-1 gate demo).
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY N/A.
-// See docs/v3-lens-capability-register.md.
-//
-// **Not** bundled into `Dag::new()` bootstrap: it compiles externally via
-// `compile_to_dag` (see `m1_5_user_authored_lens_gate_test`). Demo only:
-// counts `Bind` behaviors whose `name` is non-empty. Not in `regen.dag`.
-
-module lenses.named_function_count
-
-import std.list { fold }
-import std.substrate { Dag, Behavior }
-
-fn count_named_bind(behavior: Behavior) -> Int =
-  match behavior {
-    Value(v) => 0
-    Transform(t) => 0
-    Branch(b) => 0
-    Loop(l) => 0
-    Bind(bind) => if bind.name == "" then 0 else 1
-  }
-
-fn named_function_count(d: Dag) -> Int =
-  fold(d.nodes, 0, |acc, behavior| acc + count_named_bind(behavior))
diff --git a/src/v3/lenses/parallelism.dag b/src/v3/lenses/parallelism.dag
deleted file mode 100644
index 62893baabac..00000000000
--- a/src/v3/lenses/parallelism.dag
+++ /dev/null
@@ -1,396 +0,0 @@
-// lenses.parallelism — Lane 2 Stage 2e parallel composition safety.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY PARTIAL.
-// See docs/v3-lens-capability-register.md.
-//
-// Port authority: retired hand-Rust Stage 2e bridge (2026-05-12), specifically:
-//   - `idempotent_operations_commute`
-//   - `first_breaking_across_branches`
-//   - `extract_linear_branches`
-//   - `pairwise_cross_branch_commutes`
-//   - `analyze_parallelism`
-//   - `loop_iteration_parallel_emission_indicator`
-//
-// The breaker witness deliberately uses branch-order flattening, matching the
-// retired Rust bridge and `WorkflowEffect::operation_at`.
-//
-// Pairwise non-commute reports route typed left/right `Operation` witnesses
-// through the `ParallelismUnsupportedKind::PairwiseNonCommute` payload so
-// non-pair unsupported kinds cannot carry unrelated pair evidence.
-
-module lenses.parallelism
-
-import std.list { List, Empty, Cons, empty, cons }
-import std.algebra { Monoid }
-import std.substrate { Behavior, LoopBound }
-import v3.std.substrate {
-  Dag,
-  NodeId,
-  NonSingletonList,
-  lane2_workflow_at
-}
-import v3.std.dimensions { Witness, OptionalDiagnostic }
-import v3.std.lens { Lens }
-import v3.std.lens_application { LensEnforcement, EnforceableLens }
-import v3.spec.rust { rust_language }
-import std.effects {
-  EffectShape,
-  IdempotentShape,
-  KeySource,
-  WorkflowEffect,
-  WorkflowParallelismReport,
-  CompositionVerdict,
-  ParallelismUnsupportedKind,
-  compose_effects,
-  operation_effect_shape,
-  report_parallelism_unsupported
-}
-import v3.std.services { Operation }
-
-type LinearBranchesLookup
-  // 🟢 TERMINAL helper coproduct. This is the local, total result of trying to
-  // view each parallel branch as `LinearEffect`; dissolving it into
-  // `WorkflowParallelismReport` would mix traversal control flow with the
-  // public Stage 2e diagnostic contract. The terminal carrier is private to
-  // this lens and has exactly one unsupported class (`NonLinearParallelBranch`)
-  // at the report boundary.
-  = LinearBranchesFound { branches: List<List<Operation>> }
-  | NonLinearBranchFound
-
-type NonCommutingPairLookup
-  // 🟢 TERMINAL private search carrier. The public report now exposes the found
-  // pair as `PairwiseNonCommute { left, right }`; this local coproduct remains the total
-  // traversal control-flow result for "found first pair" vs "all pairs commute".
-  = NonCommutingPairFound { left: Operation, right: Operation }
-  | AllPairsCommute
-
-fn report_pairwise_non_commute(left: Operation, right: Operation) -> WorkflowParallelismReport =
-  ParallelismUnsupported({
-    kind: PairwiseNonCommute { left: left, right: right },
-    downstream_stage: "lane2_stage2e_parallelism_lens",
-    reason: "parallel branch operations do not commute under parallel scheduling"
-  })
-
-fn nsl_to_workflow_list(nsl: NonSingletonList<WorkflowEffect>) -> List<WorkflowEffect> =
-  cons(nsl.first, cons(nsl.second, nsl.rest))
-
-fn idempotent_shapes_commute(a: IdempotentShape, b: IdempotentShape) -> Bool =
-  match a {
-    ReadEffect =>
-      match b {
-        ReadEffect => true
-        UpsertEffect { key_source: _ } => false
-        DeleteEffect { key_source: _ } => false
-      }
-    UpsertEffect { key_source: _ } => false
-    DeleteEffect { key_source: ka } =>
-      match b {
-        ReadEffect => false
-        UpsertEffect { key_source: _ } => false
-        DeleteEffect { key_source: kb } => key_sources_equal(ka, kb)
-      }
-  }
-
-fn key_sources_equal(a: KeySource, b: KeySource) -> Bool =
-  match a {
-    PathParam { param: pa } =>
-      match b {
-        PathParam { param: pb } => pa == pb
-        InputField { field: _ } => false
-      }
-    InputField { field: fa } =>
-      match b {
-        PathParam { param: _ } => false
-        InputField { field: fb } => fa == fb
-      }
-  }
-
-fn operations_commute(a: Operation, b: Operation) -> Bool =
-  match operation_effect_shape(a) {
-    IsIdempotent(ia) =>
-      match operation_effect_shape(b) {
-        IsIdempotent(ib) => idempotent_shapes_commute(ia, ib)
-        IsBreaking(_) => false
-      }
-    IsBreaking(_) => false
-  }
-
-fn extract_linear_branches_from_list(
-  branches: List<WorkflowEffect>
-) -> LinearBranchesLookup =
-  match branches {
-    Empty => LinearBranchesFound { branches: empty() }
-    Cons(payload) =>
-      match payload.head {
-        LinearEffect { ops: ops } =>
-          match extract_linear_branches_from_list(payload.tail) {
-            LinearBranchesFound { branches: tail_branches } =>
-              LinearBranchesFound { branches: cons(ops, tail_branches) }
-            NonLinearBranchFound => NonLinearBranchFound
-          }
-        BranchEffect { arms: _ } => NonLinearBranchFound
-        LoopEffect { body: _ } => NonLinearBranchFound
-        ParallelEffect { branches: _ } => NonLinearBranchFound
-      }
-  }
-
-fn extract_linear_branches(
-  branches: NonSingletonList<WorkflowEffect>
-) -> LinearBranchesLookup =
-  extract_linear_branches_from_list(nsl_to_workflow_list(branches))
-
-fn append_ops(left: List<Operation>, right: List<Operation>) -> List<Operation> =
-  match left {
-    Empty => right
-    Cons(payload) => cons(payload.head, append_ops(payload.tail, right))
-  }
-
-fn flatten_branch_ops(branch_ops: List<List<Operation>>) -> List<Operation> =
-  match branch_ops {
-    Empty => empty()
-    Cons(payload) => append_ops(payload.head, flatten_branch_ops(payload.tail))
-  }
-
-fn first_non_commuting_op_in_branch(
-  right_branch: List<Operation>,
-  left: Operation
-) -> NonCommutingPairLookup =
-  match right_branch {
-    Empty => AllPairsCommute
-    Cons(payload) =>
-      if operations_commute(left, payload.head) then
-        first_non_commuting_op_in_branch(payload.tail, left)
-      else
-        NonCommutingPairFound { left: left, right: payload.head }
-  }
-
-fn first_non_commuting_branch_pair(
-  left_branch: List<Operation>,
-  right_branch: List<Operation>
-) -> NonCommutingPairLookup =
-  match left_branch {
-    Empty => AllPairsCommute
-    Cons(payload) =>
-      match first_non_commuting_op_in_branch(right_branch, payload.head) {
-        AllPairsCommute => first_non_commuting_branch_pair(payload.tail, right_branch)
-        NonCommutingPairFound { left: left, right: right } =>
-          NonCommutingPairFound { left: left, right: right }
-      }
-  }
-
-fn first_non_commuting_against_tail(
-  tail_branches: List<List<Operation>>,
-  left_branch: List<Operation>
-) -> NonCommutingPairLookup =
-  match tail_branches {
-    Empty => AllPairsCommute
-    Cons(payload) =>
-      match first_non_commuting_branch_pair(left_branch, payload.head) {
-        AllPairsCommute => first_non_commuting_against_tail(payload.tail, left_branch)
-        NonCommutingPairFound { left: left, right: right } =>
-          NonCommutingPairFound { left: left, right: right }
-      }
-  }
-
-fn pairwise_cross_branch_commutes(
-  branch_ops: List<List<Operation>>
-) -> NonCommutingPairLookup =
-  match branch_ops {
-    Empty => AllPairsCommute
-    Cons(payload) =>
-      match first_non_commuting_against_tail(payload.tail, payload.head) {
-        AllPairsCommute => pairwise_cross_branch_commutes(payload.tail)
-        NonCommutingPairFound { left: left, right: right } =>
-          NonCommutingPairFound { left: left, right: right }
-      }
-  }
-
-fn parallelism_report_for_workflow(wf: WorkflowEffect) -> WorkflowParallelismReport =
-  match wf {
-    ParallelEffect { branches: branches } =>
-      match extract_linear_branches(branches) {
-        NonLinearBranchFound =>
-          report_parallelism_unsupported(
-            NonLinearParallelBranch,
-            "Stage 2e v1 requires every parallel branch to be `LinearEffect`"
-          )
-        LinearBranchesFound { branches: branch_ops } =>
-          match compose_effects(flatten_branch_ops(branch_ops)) {
-            BrokenBy { first_breaker: b } => ParallelCompositionVerdict(BrokenBy { first_breaker: b })
-            IdempotentComposition =>
-              match pairwise_cross_branch_commutes(branch_ops) {
-                AllPairsCommute => ParallelCompositionVerdict(IdempotentComposition)
-                NonCommutingPairFound { left: left_op, right: right_op } =>
-                  report_pairwise_non_commute(left_op, right_op)
-              }
-          }
-      }
-    LinearEffect { ops: _ } =>
-      report_parallelism_unsupported(
-        NotParallelEffectRoot,
-        "parallelism lens analyzes `ParallelEffect` roots only"
-      )
-    BranchEffect { arms: _ } =>
-      report_parallelism_unsupported(
-        NotParallelEffectRoot,
-        "parallelism lens analyzes `ParallelEffect` roots only"
-      )
-    LoopEffect { body: _ } =>
-      report_parallelism_unsupported(
-        NotParallelEffectRoot,
-        "parallelism lens analyzes `ParallelEffect` roots only"
-      )
-  }
-
-fn analyze_parallelism(d: Dag, workflow_root: NodeId) -> WorkflowParallelismReport =
-  match lane2_workflow_at(d, workflow_root) {
-    None =>
-      report_parallelism_unsupported(
-        NoWorkflowProjection,
-        "no WorkflowEffect projection on this substrate node - analysis reads only `Value`/`Bind` fields set by lowering or `try_register_lane2_workflow_effect`"
-      )
-    Some(wf) => parallelism_report_for_workflow(wf)
-  }
-
-fn read_only_ops(ops: List<Operation>) -> Bool =
-  match ops {
-    Empty => true
-    Cons(payload) =>
-      match operation_effect_shape(payload.head) {
-        IsIdempotent(shape) =>
-          match shape {
-            ReadEffect => read_only_ops(payload.tail)
-            UpsertEffect { key_source: _ } => false
-            DeleteEffect { key_source: _ } => false
-          }
-        IsBreaking(_) => false
-      }
-  }
-
-fn loop_iteration_parallel_emission_indicator(d: Dag, workflow_root: NodeId) -> Int =
-  match lane2_workflow_at(d, workflow_root) {
-    None => 0
-    Some(wf) =>
-      match wf {
-        LoopEffect { body: body } =>
-          match body {
-            LinearEffect { ops: ops } =>
-              match ops {
-                Empty => 0
-                Cons(_) =>
-                  if read_only_ops(ops) then 1 else 0
-              }
-            BranchEffect { arms: _ } => 0
-            LoopEffect { body: _ } => 0
-            ParallelEffect { branches: _ } => 0
-          }
-        LinearEffect { ops: _ } => 0
-        BranchEffect { arms: _ } => 0
-        ParallelEffect { branches: _ } => 0
-      }
-  }
-
-// --- T-Lens-Application-Surface / gate #95 (§4.4) — iteration-opt-in parallelism
-//
-// DESIGN LOCK: docs/design-lens-application-surface.md §2 parallelism bundle + §4.4 — user
-// `apply_lens(parallelism, loop_node, Enforce { budget: OptInIndependent, … })` authorizes parallel
-// iteration emission only when the iteration-independence analogue holds on the staged
-// `loop_iteration_parallel_emission_indicator` contract (today: Lane-2 scaffold + read-only ops).
-//
-// **Single substrate authority:** `parallelism_iteration_observed_mode(d, workflow_root)` folds that
-// indicator into `ParallelismMode`; `parallelism_lens.read` consumes the same function on the
-// `Behavior` node's root id. Host enforcement (`check_enforced_lens_applications`,
-// exported `parallelism_iteration_opt_in_enforcement_violates`) must not re-map integers in Rust.
-//
-// PRACTICE 4 (docs/modeling-discipline.md §4 Coproduct dissolution): **🟢 TERMINAL (GREEN)** at the
-// T-LAS iteration-parallelism **budget carrier** scope (`docs/design-lens-application-surface.md`
-// §2 / §4.4). `OptInIndependent` vs `Sequential` are the closed LAS labels referenced by
-// `parallelism_enforceable` / `EnforcedApplication`; workflow physics stays single-authority in
-// Lane‑2 `WorkflowEffect` (`lane2_workflow`), not parallel semantics duplicated here.
-// **Dissolution:** migrate only when LAS redesign replaces this sum with one substrate carrier for
-// the same §4.4 contract without a second route for violation/budget naming (gate **#95** program row).
-
-type ParallelismMode
-  // 🟢 TERMINAL (GREEN): LAS iteration-parallelism **budget carrier** (`EnforcedApplication` /
-  // `parallelism_enforcement_violates`). Variants partition an authored opt-in authorization
-  // (`OptInIndependent`) from the sequential default (`Sequential`) at the design boundary in
-  // `docs/design-lens-application-surface.md` §4.4; patterns 1–4 (modeling-discipline §4) do not apply
-  // without folding the LAS into a single closed carrier elsewhere. Ledger: preceding Practice 4 /
-  // DESIGN LOCK paragraphs in this §4.4 block (+ gate **#95** program row above).
-  = OptInIndependent
-  | Sequential
-
-fn parallelism_enforcement_project(m: ParallelismMode) -> ParallelismMode =
-  m
-
-fn parallelism_enforcement_violates(observed: ParallelismMode, declared: ParallelismMode) -> Bool =
-  match declared {
-    OptInIndependent =>
-      match observed {
-        Sequential => true
-        OptInIndependent => false
-      }
-    Sequential =>
-      match observed {
-        OptInIndependent => false
-        Sequential => false
-      }
-  }
-
-fn parallelism_lens_combine(a: ParallelismMode, b: ParallelismMode) -> ParallelismMode =
-  match a {
-    Sequential => Sequential
-    OptInIndependent =>
-      match b {
-        Sequential => Sequential
-        OptInIndependent => OptInIndependent
-      }
-  }
-
-fn behavior_node_id(behavior: Behavior) -> NodeId =
-  match behavior {
-    Value(v) => v.id
-    Transform(t) => t.id
-    Branch(b) => b.id
-    Loop(l) => l.id
-    Bind(bind) => bind.id
-  }
-
-fn parallelism_iteration_observed_mode(d: Dag, workflow_root: NodeId) -> ParallelismMode =
-  if loop_iteration_parallel_emission_indicator(d, workflow_root) == 1 then
-    OptInIndependent
-  else
-    Sequential
-
-fn parallelism_lens_read(d: Dag, behavior: Behavior) -> Witness<ParallelismMode> =
-  Inhabits(parallelism_iteration_observed_mode(d, behavior_node_id(behavior)))
-
-fn parallelism_lens_iterate(body: ParallelismMode, _bound: LoopBound) -> ParallelismMode =
-  body
-
-fn parallelism_lens_validate(_d: Dag, _c: ParallelismMode) -> OptionalDiagnostic =
-  NoDiagnostic
-
-data parallelism_lens_monoid: Monoid<ParallelismMode> = {
-  op: parallelism_lens_combine
-  identity: OptInIndependent
-}
-
-data parallelism_lens: Lens<ParallelismMode> = {
-  name: "iteration_parallelism_opt_in"
-  read: parallelism_lens_read
-  sequential: parallelism_lens_monoid
-  branch: parallelism_lens_combine
-  iterate: parallelism_lens_iterate
-  validate: parallelism_lens_validate
-}
-
-data parallelism_enforcement: LensEnforcement<ParallelismMode, ParallelismMode, ParallelismMode> = {
-  project: parallelism_enforcement_project
-  violates: parallelism_enforcement_violates
-}
-
-data parallelism_enforceable: EnforceableLens<ParallelismMode, ParallelismMode, ParallelismMode> = {
-  lens: parallelism_lens
-  enforcement: parallelism_enforcement
-}
diff --git a/src/v3/lenses/provenance.dag b/src/v3/lenses/provenance.dag
deleted file mode 100644
index 7237e3d97a0..00000000000
--- a/src/v3/lenses/provenance.dag
+++ /dev/null
@@ -1,91 +0,0 @@
-// lenses.provenance — observational lens over `Port.produced_by`.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE (v3-native, no v2 counterpart).
-// See docs/v3-lens-capability-register.md.
-//
-// One-hop backward walk from a port to the producing Behavior, returning
-// an `Origin` classification tagged by the producer's behavior kind.
-// Zero reconstruction: the lens only follows the edge that `infer`
-// already wrote to `produced_by` and dispatches on the producer's
-// variant.
-//
-// **L2 pilot.** First lens migrated from hand-written Rust (the
-// deleted `lens_provenance.rs`) to a `.dag` declaration consumed by
-// the pipeline. The authority lives here; the Rust emission is a
-// mechanical projection regenerated from this file via
-// `emit_rust_module` and checked in at
-// `src/v3/compiler/src/lens_provenance_generated.rs`.
-//
-// **Bootstrap placement.** Sibling to `src/v3/lenses/unused_parameters.dag`
-// rather than `src/v3/std/`. build.rs auto-enumerates `src/v3/std/*.dag`
-// into STAGED_FILES, so placing the lens there would double-load its
-// declarations when tests re-compile the file through `compile_to_dag`.
-// Moving bootstrap-loaded lenses into std/ is a follow-up once the
-// compile pipeline tolerates re-lowering a file bootstrap already
-// staged.
-//
-// **No Option in expression position.** v3's current surface grammar
-// does not support `Some(...)` / `None` as construction expressions
-// (only as match patterns, synthesized by `infer`). The pre-migration
-// Rust `Origin::Source { by: Option<NodeId> }` therefore flattens into
-// `NoProducer` (was `by: None` for an un-produced port) plus
-// `Source(NodeId)` (was `by: Some(v_or_bind.id)`). Consumers that need
-// to recover the old three-state `Source` read both variants and merge.
-//
-// **Fail-closed lookup.** This lens consumes the substrate's
-// `port(d, id) -> DagPort?` and `node(d, id) -> Behavior?` accessors
-// (INVARIANTS.md L-7). The `MissingPort` and `MissingBehavior`
-// variants distinguish malformed-substrate lookup misses from the
-// legitimate "no producer" (`NoProducer`) case; they collapse when
-// substrate gains a stronger totality guarantee.
-
-module lenses.provenance
-
-import std.substrate {
-  Dag, DagPort, Behavior, NodeId, PortId,
-  ValueNode, TransformNode, BranchNode, LoopNode, BindNode,
-  port, node
-}
-
-// Provenance classification for a Port. Tags the producing Behavior
-// by its kind so callers can ask "where did this value come from?"
-// without reimplementing the produced_by walk themselves.
-//
-// `NoProducer` is the only "absent producer" answer a well-formed Dag
-// should emit — a function parameter or any other port whose
-// `produced_by` is `None`. `MissingPort` and `MissingBehavior` are the
-// two structurally distinct substrate-lookup misses.
-//
-// `Source(id)` means the producing behavior is a literal Value or a
-// Bind — both carry source values, not computed ones.
-type Origin
-  = NoProducer
-  | MissingPort
-  | MissingBehavior
-  | Source(NodeId)
-  | Computed(NodeId)
-  | Selected(NodeId)
-  | Accumulated(NodeId)
-
-fn origin_of(d: Dag, port_id: PortId) -> Origin =
-  match port(d, port_id) {
-    None => MissingPort
-    Some(p) =>
-      match p.produced_by {
-        None => NoProducer
-        Some(producer_id) =>
-          match node(d, producer_id) {
-            None => MissingBehavior
-            Some(behavior) => origin_for_behavior(behavior)
-          }
-      }
-  }
-
-fn origin_for_behavior(behavior: Behavior) -> Origin =
-  match behavior {
-    Value(v) => Source(v.id)
-    Transform(t) => Computed(t.id)
-    Branch(b) => Selected(b.id)
-    Loop(l) => Accumulated(l.id)
-    Bind(bind) => Source(bind.id)
-  }
diff --git a/src/v3/lenses/structural_resolution.dag b/src/v3/lenses/structural_resolution.dag
deleted file mode 100644
index b203cd53ffe..00000000000
--- a/src/v3/lenses/structural_resolution.dag
+++ /dev/null
@@ -1,132 +0,0 @@
-// lenses.structural_resolution — detect leaked `ArrowBody::Pending`
-// in the final Dag.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE (v3-native regression pin).
-// See docs/v3-lens-capability-register.md.
-//
-// Defense-in-depth regression pin for the R13 fix (lower.rs).
-// User `fn` declarations are seeded by `seed_function_signature`
-// with `ArrowBody::Pending`, then `lower_fn_item` patches the
-// connective to `ArrowBody::UserDefined(bind_id)` on every path,
-// including error paths (the R13 fix replaced a prior `Pending` in
-// the mutual-recursion error arm because `decide_transform` accepts
-// Pending as a realization-lag scaffold and would have let callers
-// Resolve against an invalid fn — a fail-closed leak).
-//
-// **Detection rule.** Any final `Declaration` whose connective is
-// `Arrow { body: Pending }` is a violation. The old `decl.name ==
-// Some(_)` filter was only a proxy for "this came from executable-fn
-// seeding rather than an Arrow-as-data site." That proxy dissolves
-// now that the Arrow-as-data sites (bootstrap algebra arrows, nested
-// arrow type expressions, type aliases, transient synthesized
-// signatures) all carry `ArrowBody::NoBody` rather than `Pending`.
-// Only a regression in `lower_fn_item`'s body-patching path should be
-// able to leave `Arrow(Pending)` behind in the final Dag.
-//
-// **Deletes** when §8.11's Pending-elimination ratchet reaches zero
-// and the `ArrowBody::Pending` variant is removed from the
-// substrate entirely.
-
-module lenses.structural_resolution
-
-import std.list { List, empty, cons, fold }
-import std.substrate {
-  Dag, Declaration, DeclarationId, TypeConnective, ArrowBody, AtomPayload, SourceSpan
-}
-
-type UnresolvedArrowBody {
-  declaration: DeclarationId
-  name: String
-  span: SourceSpan
-}
-
-type NameKeyedReference {
-  declaration: DeclarationId
-  resolved_to: DeclarationId
-  span: SourceSpan
-}
-
-fn check(d: Dag) -> List<UnresolvedArrowBody> =
-  fold(d.declarations, empty(), |acc, decl|
-    prepend_all(check_declaration(decl), acc)
-  )
-
-fn check_declaration(decl: Declaration) -> List<UnresolvedArrowBody> =
-  match decl.connective {
-    Atom(payload) => empty()
-    Conj(c) => empty()
-    Disj(d) => empty()
-    Arrow(a) => check_arrow_body(decl, a.body)
-    Cardinality(c) => empty()
-    Instantiation(i) => empty()
-  }
-
-fn check_arrow_body(decl: Declaration, body: ArrowBody) -> List<UnresolvedArrowBody> =
-  match body {
-    UserDefined(node_id) => empty()
-    ExternalRealization(decl_id) => empty()
-    Pending => singleton_violation(decl)
-    NoBody => empty()
-    Unparsed(span) => empty()
-  }
-
-fn declaration_name(decl: Declaration) -> String =
-  match decl.name {
-    Some(name_str) => name_str
-    None => "<anonymous>"
-  }
-
-fn singleton_violation(decl: Declaration) -> List<UnresolvedArrowBody> =
-  cons(
-    {
-      declaration: decl.id
-      name: declaration_name(decl)
-      span: decl.span
-    },
-    empty()
-  )
-
-fn prepend_all(additions: List<UnresolvedArrowBody>, acc: List<UnresolvedArrowBody>) -> List<UnresolvedArrowBody> =
-  fold(additions, acc, |running, v| cons(v, running))
-
-fn name_keyed_references(d: Dag) -> List<NameKeyedReference> =
-  fold(d.declarations, empty(), |acc, decl|
-    prepend_name_keyed(check_name_keyed_declaration(decl), acc)
-  )
-
-// Raw structural reader: reports every `ResolvedByName` atom visible
-// in the reflected Dag, including bootstrap-range declarations. The
-// DB-17 user-range policy boundary is not yet a first-class
-// reflected fact, so callers that specifically want "user only"
-// must currently filter these results by their own source-range
-// policy.
-
-fn check_name_keyed_declaration(decl: Declaration) -> List<NameKeyedReference> =
-  match decl.connective {
-    Atom(payload) => check_name_keyed_payload(decl, payload)
-    Conj(c) => empty()
-    Disj(d) => empty()
-    Arrow(a) => empty()
-    Cardinality(c) => empty()
-    Instantiation(i) => empty()
-  }
-
-fn check_name_keyed_payload(decl: Declaration, payload: AtomPayload) -> List<NameKeyedReference> =
-  match payload {
-    Literal(bits) => empty()
-    UnresolvedIdentifier(name) => empty()
-    ResolvedByStructure(id) => empty()
-    ResolvedByName(id) =>
-      cons(
-        {
-          declaration: decl.id
-          resolved_to: id
-          span: decl.span
-        },
-        empty()
-      )
-    TypeParam(name) => empty()
-  }
-
-fn prepend_name_keyed(additions: List<NameKeyedReference>, acc: List<NameKeyedReference>) -> List<NameKeyedReference> =
-  fold(additions, acc, |running, v| cons(v, running))
diff --git a/src/v3/lenses/unused_parameters.dag b/src/v3/lenses/unused_parameters.dag
deleted file mode 100644
index 643e37caa3a..00000000000
--- a/src/v3/lenses/unused_parameters.dag
+++ /dev/null
@@ -1,156 +0,0 @@
-// lenses.unused_parameters — detect bind parameters never referenced in the body.
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE (v3-native, no v2 counterpart).
-// See docs/v3-lens-capability-register.md.
-
-module lenses.unused_parameters
-
-import std.list {
-  List, empty, singleton, cons, concat, fold, contains, is_empty, length
-}
-import std.substrate {
-  Dag, DagPort, Behavior, BranchPath, BindNode, LoopNode, NodeId, PortId,
-  port, node
-}
-
-type UnusedParameter {
-  function: NodeId
-  parameter: PortId
-  parameter_index: Int
-}
-
-fn check(d: Dag) -> List<UnusedParameter> =
-  fold(d.nodes, empty(), |acc, behavior|
-    concat(acc, check_behavior(d, behavior))
-  )
-
-fn check_behavior(d: Dag, behavior: Behavior) -> List<UnusedParameter> =
-  match behavior {
-    Value(v) => empty()
-    Transform(t) => empty()
-    Branch(b) => empty()
-    Loop(l) => empty()
-    Bind(bind) =>
-      if is_empty(bind.params) then
-        empty()
-      else
-        check_bind(d, bind)
-  }
-
-fn check_bind(d: Dag, bind: BindNode) -> List<UnusedParameter> =
-  collect_unused_params(
-    bind.params,
-    bind,
-    referenced_ports(d, bind.result_port),
-    0
-  )
-
-fn collect_unused_params(params: List<PortId>, bind: BindNode, referenced: List<PortId>, index: Int) -> List<UnusedParameter> =
-  match params {
-    Empty => empty()
-    Cons(payload) =>
-      if contains(referenced, payload.head) then
-        collect_unused_params(payload.tail, bind, referenced, index + 1)
-      else
-        cons(
-          {
-            function: bind.id
-            parameter: payload.head
-            parameter_index: index
-          },
-          collect_unused_params(payload.tail, bind, referenced, index + 1)
-        )
-  }
-
-fn referenced_ports(d: Dag, root: PortId) -> List<PortId> =
-  walk_steps(length(d.ports), d, singleton(root), empty())
-
-fn walk_steps(remaining: Int, d: Dag, frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> =
-  if remaining == 0 then
-    referenced
-  else
-    if is_empty(frontier) then
-      referenced
-    else
-      walk_steps(
-        remaining - 1,
-        d,
-        expand_frontier_list(frontier, d, referenced),
-        expand_referenced_list(frontier, referenced)
-      )
-
-fn expand_frontier_list(frontier: List<PortId>, d: Dag, referenced: List<PortId>) -> List<PortId> =
-  match frontier {
-    Empty => empty()
-    Cons(payload) =>
-      if contains(referenced, payload.head) then
-        expand_frontier_list(payload.tail, d, referenced)
-      else
-        concat(
-          inputs_for_port(d, payload.head),
-          expand_frontier_list(payload.tail, d, referenced)
-        )
-  }
-
-fn expand_referenced_list(frontier: List<PortId>, referenced: List<PortId>) -> List<PortId> =
-  fold(frontier, referenced, |acc, port|
-    if contains(acc, port) then
-      acc
-    else
-      cons(port, acc)
-  )
-
-fn inputs_for_port(d: Dag, port_id: PortId) -> List<PortId> =
-  match port(d, port_id) {
-    None => empty()
-    Some(p) =>
-      match p.produced_by {
-        None => empty()
-        Some(node_id) => inputs_for_node(d, node_id)
-      }
-  }
-
-fn inputs_for_node(d: Dag, node_id: NodeId) -> List<PortId> =
-  match node(d, node_id) {
-    None => empty()
-    Some(behavior) => inputs_for_behavior(d, behavior)
-  }
-
-fn inputs_for_behavior(d: Dag, behavior: Behavior) -> List<PortId> =
-  match behavior {
-    Value(v) => empty()
-    Transform(t) => t.inputs
-    Branch(branch) => cons(branch.input, branch_path_outputs(branch.paths))
-    Loop(loop_node) => loop_inputs(d, loop_node)
-    Bind(bind) => singleton(bind.result_port)
-  }
-
-fn loop_inputs(d: Dag, loop_node: LoopNode) -> List<PortId> =
-  concat(
-    cons(loop_node.source, cons(loop_node.init, loop_bound_inputs(loop_node.bound))),
-    match node(d, loop_node.body) {
-      None => empty()
-      Some(body_node) => singleton(behavior_port(body_node))
-    }
-  )
-
-fn loop_bound_inputs(bound: LoopBound) -> List<PortId> =
-  match bound {
-    Cardinality(payload) => singleton(payload.count)
-    Descent(payload) => singleton(payload.measure)
-  }
-
-fn branch_path_outputs(paths: List<BranchPath>) -> List<PortId> =
-  match paths {
-    Empty => empty()
-    Cons(payload) => cons(payload.head.result_port, branch_path_outputs(payload.tail))
-  }
-
-fn behavior_port(behavior: Behavior) -> PortId =
-  match behavior {
-    Value(v) => v.result_port
-    Transform(t) => t.result_port
-    Branch(b) => b.result_port
-    Loop(l) => l.result_port
-    Bind(bind) => bind.result_port
-  }
diff --git a/src/v3/lenses/variant_payload.dag b/src/v3/lenses/variant_payload.dag
deleted file mode 100644
index 9b11f685643..00000000000
--- a/src/v3/lenses/variant_payload.dag
+++ /dev/null
@@ -1,69 +0,0 @@
-// lenses.variant_payload — emitter-side classification for resolved variant
-// payload shapes (empty / positional single / named fields).
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY COMPLETE (v3-native, no v2 counterpart).
-// See docs/v3-lens-capability-register.md.
-// (The `DeclarationLookup` parallel-authority cleanup tracked in
-// ROADMAP 2026-04-21 wave is an internal C-8 tightening, not a
-// behavioral gap in what this lens computes.)
-//
-// Authority lives here; Rust projection is regenerated via `emit_rust_module`
-// into `src/v3/compiler/src/variant_payload_generated.rs`. Bootstrap
-// placement mirrors other lenses under `src/v3/lenses/` (not `src/v3/std/`)
-// so build.rs does not double-load this file into the bootstrap Dag.
-
-module lenses.variant_payload
-
-import std.list { List, empty, cons, map }
-import std.substrate {
-  Dag, DeclarationId, TypeConnective, ConjField, declaration_by_id
-}
-
-type VariantPayloadShape
-  = Empty
-  | PositionalSingle
-  | NamedFields(List<String>)
-
-// `DeclarationMissing` carries the substrate-integrity violation
-// (`declaration_by_id` returned `None`): id-carriers can't legitimately
-// reference an absent declaration, so consumers must fail closed.
-// `NotPayloadProduct` is the ordinary outcome for declarations whose
-// connective is not `Conj` (atoms, arrows, cardinalities, …) — callers
-// that only care about product-shaped variants legitimately ignore it.
-// Keeping the two distinct prevents a C-8 fail-open where a caller's
-// `not-a-product` fallback would otherwise swallow a substrate-integrity
-// miss.
-type VariantPayloadShapeLookup
-  = DeclarationMissing
-  | NotPayloadProduct
-  | Found(VariantPayloadShape)
-
-fn conj_field_label(f: ConjField) -> String =
-  f.label
-
-fn conj_payload_shape(children: List<ConjField>) -> VariantPayloadShape =
-  match children {
-    Empty => Empty
-    Cons(payload) =>
-      match payload.tail {
-        Empty =>
-          if payload.head.label == "_0" then PositionalSingle
-          else NamedFields(cons(payload.head.label, empty()))
-        Cons(_) =>
-          NamedFields(map(children, conj_field_label))
-      }
-  }
-
-fn variant_payload_shape(d: Dag, variant_id: DeclarationId) -> VariantPayloadShapeLookup =
-  match declaration_by_id(d, variant_id) {
-    None => DeclarationMissing
-    Some(decl) =>
-      match decl.connective {
-        Conj(c) => Found(conj_payload_shape(c.children))
-        Atom(_) => NotPayloadProduct
-        Disj(_) => NotPayloadProduct
-        Arrow(_) => NotPayloadProduct
-        Cardinality(_) => NotPayloadProduct
-        Instantiation(_) => NotPayloadProduct
-      }
-  }
diff --git a/src/v3/spec/go.dag b/src/v3/spec/go.dag
deleted file mode 100644
index aba18604805..00000000000
--- a/src/v3/spec/go.dag
+++ /dev/null
@@ -1,1300 +0,0 @@
-module v3.spec.go
-
-import v3.spec.v3_l1 { Bind, Branch, Main }
-import v3.std.emit_model {
-  TypeRealization, FieldBinding, FieldAccess,
-  OperatorRealization, BehaviorRealization, CallableRealization,
-  TypeInstantiationRealization, CallableStrategy,
-  ParameterDisposition, Borrowed, Consumed,
-  PatternRealization, PatternStrategy,
-  StatementSyntax, ExpressionSyntax, ControlFlowSyntax,
-  LiteralSyntax, ModuleSyntax, FunctionSyntax, TypeApplicationSyntax,
-  TypeDefinitionSyntax, RecordDeriveTemplateBundle, PatternMatchSyntax,
-  CollectionOps, ValueConstructionSyntax, LanguageSpec,
-  TargetIntegerTypeInhabitance, TargetIntegerInhabitanceBound
-}
-import v3.std.go_method_template_contracts {
-  go_language_spec_free_monoid_concat_contract,
-  go_language_spec_free_monoid_length_contract,
-  go_language_spec_free_monoid_emptiness_contract,
-  go_language_spec_free_monoid_fold_contract,
-  go_language_spec_map_contract,
-  go_filter_method_template_contract,
-  go_flat_map_method_template_contract,
-  go_any_method_template_contract,
-  go_all_method_template_contract
-}
-import v3.std.computation_model {
-  TargetExecutionModel, GarbageCollected, LexicalScoping,
-  ShapeATargetSourceFiltering, ExecutionModelRequirement,
-  internal_source_filtering
-}
-import v3.std.clean_emission {
-  CleanEmissionContract,
-  TargetCleanEmissionBinding,
-  ExpressionWrappingRule, WrapOnlyInOperandPosition,
-  PatternBindingRule, EmitUnderscoreWhenUnused,
-  ImportRule, IncludeOnlyReferenced,
-  BlockReturnRule, ExplicitReturnKeyword,
-  VariableBindingRule, EmitLetUnderscoreWhenUnused,
-  MatchArmBodyRule, NotApplicableMatchArmBody,
-  CorrectionStyle, PostEmitVerifier,
-  VerifierOutputPolicy, RequireEmptyStdout
-}
-import std.algebra { BooleanAlgebra }
-import std.list { List }
-import std.integer { Int, Int32 }
-import v3.std.parse_surface {
-  SurfaceModule, SurfaceItem, SurfaceParam, SurfaceField, SurfaceVariant,
-  VariantPayload, SurfaceType, SurfaceRecordField, SurfaceMapEntry, SurfaceMatchArm,
-  SurfacePatternField, SurfacePattern, SurfaceLiteral, SurfaceExpr
-}
-
-data go_execution_model: TargetExecutionModel = {
-  memory: GarbageCollected
-  scope: LexicalScoping
-}
-
-data go_source_filtering: ShapeATargetSourceFiltering = {
-  internal: internal_source_filtering
-  additional_excluded_prefixes: ["src/v3/compiler/"]
-}
-
-data go_execution_requirement: ExecutionModelRequirement = GarbageCollected
-
-data go_int: TypeRealization = {
-  language: go_language
-  target: Int
-  carrier: "int64"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_int32: TypeRealization = {
-  language: go_language
-  target: Int32
-  carrier: "int32"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_integer_inhabit_i32_at_program_bound: TargetIntegerTypeInhabitance = {
-  language: go_language
-  kernel_integer: Int32
-  algebra: Int32
-  bound: StaticBoundFact(BoundedInterval {
-    lower: -2147483648
-    width: PositiveWidth(UnitCount { units: 4294967295 })
-  })
-  type_realization: go_int32
-}
-
-// Native Go `int` — platform-sized bound witness only: unit `PlatformDependentFact`
-// (design-emission-model.md Q1), distinct from fixed-width `StaticBoundFact` rows.
-// `type_realization` must remain `go_int` — the sole Go `TypeRealization` for `target: Int`
-// (emit duplicate-realization fail-closed per `emit.rs`); carrier spelling stays `int64` until
-// substrate introduces a distinct primitive for native `int` vs `int64`.
-data go_integer_inhabit_int_platform_dependent: TargetIntegerTypeInhabitance = {
-  language: go_language
-  kernel_integer: Int
-  algebra: Int
-  bound: PlatformDependentFact
-  type_realization: go_int
-}
-
-data go_bool: TypeRealization = {
-  language: go_language
-  target: Bool
-  carrier: "bool"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_string: TypeRealization = {
-  language: go_language
-  target: String
-  carrier: "string"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_node_id: TypeRealization = {
-  language: go_language
-  target: NodeId
-  carrier: "NodeId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_port_id: TypeRealization = {
-  language: go_language
-  target: PortId
-  carrier: "PortId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_declaration_id: TypeRealization = {
-  language: go_language
-  target: DeclarationId
-  carrier: "DeclarationId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_cluster_id: TypeRealization = {
-  language: go_language
-  target: ClusterId
-  carrier: "ClusterId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data go_type_shape: TypeRealization = {
-  language: go_language
-  target: TypeShape
-  carrier: "TypeShape"
-  is_copy: false
-  fields: [
-    { dag_name: "declaration", access: DirectField("declaration"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_port_state: TypeRealization = {
-  language: go_language
-  target: PortState
-  carrier: "PortState"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_port: TypeRealization = {
-  language: go_language
-  target: DagPort
-  carrier: "DagPort"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "state", access: DirectField("state"), borrowed_read: false },
-    { dag_name: "produced_by", access: DirectField("produced_by"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_source_span: TypeRealization = {
-  language: go_language
-  target: SourceSpan
-  carrier: "SourceSpan"
-  is_copy: false
-  fields: [
-    { dag_name: "file", access: DirectField("file"), borrowed_read: false },
-    { dag_name: "start", access: DirectField("byte_start"), borrowed_read: false },
-    { dag_name: "end", access: DirectField("byte_end"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_literal_bits: TypeRealization = {
-  language: go_language
-  target: LiteralBits
-  carrier: "LiteralBits"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_atom_payload: TypeRealization = {
-  language: go_language
-  target: AtomPayload
-  carrier: "AtomPayload"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_cardinality_bound: TypeRealization = {
-  language: go_language
-  target: CardinalityBound
-  carrier: "CardinalityBound"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_interval: TypeRealization = {
-  language: go_language
-  target: Interval
-  carrier: "Interval"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_positive_interval_width: TypeRealization = {
-  language: go_language
-  target: PositiveIntervalWidth
-  carrier: "PositiveIntervalWidth"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_interval_width: TypeRealization = {
-  language: go_language
-  target: IntervalWidth
-  carrier: "IntervalWidth"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_conj_field: TypeRealization = {
-  language: go_language
-  target: ConjField
-  carrier: "ConjField"
-  is_copy: false
-  fields: [
-    { dag_name: "label", access: DirectField("label"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_template_argument: TypeRealization = {
-  language: go_language
-  target: TemplateArgument
-  carrier: "TemplateArgument"
-  is_copy: false
-  fields: [
-    { dag_name: "parameter", access: DirectField("parameter"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_phantom_parameter: TypeRealization = {
-  language: go_language
-  target: PhantomParameter
-  carrier: "PhantomParameter"
-  is_copy: false
-  fields: [
-    { dag_name: "parameter", access: DirectField("parameter"), borrowed_read: false },
-    { dag_name: "algebra", access: DirectField("algebra"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_nominal_opacity: TypeRealization = {
-  language: go_language
-  target: NominalOpacity
-  carrier: "NominalOpacity"
-  is_copy: false
-  fields: [
-    { dag_name: "permitted_accessors", access: DirectField("permitted_accessors"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_field_entry: TypeRealization = {
-  language: go_language
-  target: FieldEntry
-  carrier: "FieldEntry"
-  is_copy: false
-  fields: [
-    { dag_name: "label", access: DirectField("label"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_non_empty_list: TypeRealization = {
-  language: go_language
-  target: NonEmptyList
-  carrier: "NonEmptyList"
-  is_copy: false
-  fields: [
-    { dag_name: "first", access: DirectField("first"), borrowed_read: false },
-    { dag_name: "rest", access: DirectField("rest"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_non_singleton_list: TypeRealization = {
-  language: go_language
-  target: NonSingletonList
-  carrier: "NonSingletonList"
-  is_copy: false
-  fields: [
-    { dag_name: "first", access: DirectField("first"), borrowed_read: false },
-    { dag_name: "second", access: DirectField("second"), borrowed_read: false },
-    { dag_name: "rest", access: DirectField("rest"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_param_ref: TypeRealization = {
-  language: go_language
-  target: ParamRef
-  carrier: "ParamRef"
-  is_copy: true
-  fields: [
-    { dag_name: "member", access: AccessorMethod("member_of"), borrowed_read: false },
-    { dag_name: "slot", access: AccessorMethod("slot_of"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_transform_ref: TypeRealization = {
-  language: go_language
-  target: TransformRef
-  carrier: "TransformRef"
-  is_copy: true
-  fields: [
-    { dag_name: "node", access: AccessorMethod("node_id"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_member_descent: TypeRealization = {
-  language: go_language
-  target: MemberDescent
-  carrier: "MemberDescent"
-  is_copy: false
-  fields: [
-    { dag_name: "param", access: DirectField("param"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_intra_cluster_call: TypeRealization = {
-  language: go_language
-  target: IntraClusterCall
-  carrier: "IntraClusterCall"
-  is_copy: false
-  fields: [
-    { dag_name: "transform", access: DirectField("transform"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_cluster: TypeRealization = {
-  language: go_language
-  target: Cluster
-  carrier: "Cluster"
-  is_copy: false
-  fields: [
-    { dag_name: "members", access: DirectField("members"), borrowed_read: false },
-    { dag_name: "intra_cluster_calls", access: DirectField("intra_cluster_calls"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_field_value: TypeRealization = {
-  language: go_language
-  target: FieldValue
-  carrier: "FieldValue"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_value_body: TypeRealization = {
-  language: go_language
-  target: ValueBody
-  carrier: "ValueBody"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_arrow_body: TypeRealization = {
-  language: go_language
-  target: ArrowBody
-  carrier: "ArrowBody"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_type_connective: TypeRealization = {
-  language: go_language
-  target: TypeConnective
-  carrier: "TypeConnective"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_declaration: TypeRealization = {
-  language: go_language
-  target: Declaration
-  carrier: "Declaration"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "connective", access: DirectField("connective"), borrowed_read: false },
-    { dag_name: "type_params", access: DirectField("type_params"), borrowed_read: false },
-    { dag_name: "phantom_params", access: DirectField("phantom_params"), borrowed_read: false },
-    { dag_name: "meta_tag", access: DirectField("meta_tag"), borrowed_read: false },
-    { dag_name: "inhabits", access: DirectField("inhabits"), borrowed_read: false },
-    { dag_name: "value_body", access: DirectField("value_body"), borrowed_read: false },
-    { dag_name: "nominal_opacity", access: DirectField("nominal_opacity"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_arithmetic_op: TypeRealization = {
-  language: go_language
-  target: ArithmeticOp
-  carrier: "ArithmeticOp"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_comparison_op: TypeRealization = {
-  language: go_language
-  target: ComparisonOp
-  carrier: "ComparisonOp"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_logical_op: TypeRealization = {
-  language: go_language
-  target: LogicalOp
-  carrier: "LogicalOp"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_operator_kind: TypeRealization = {
-  language: go_language
-  target: OperatorKind
-  carrier: "OperatorKind"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_transform_target: TypeRealization = {
-  language: go_language
-  target: TransformTarget
-  carrier: "TransformTarget"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_branch_pattern: TypeRealization = {
-  language: go_language
-  target: BranchPattern
-  carrier: "BranchPattern"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_payload_binding: TypeRealization = {
-  language: go_language
-  target: PayloadBinding
-  carrier: "PayloadBinding"
-  is_copy: false
-  fields: [
-    { dag_name: "binding_name", access: DirectField("binding_name"), borrowed_read: false },
-    { dag_name: "payload_port", access: DirectField("payload_port"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_branch_path: TypeRealization = {
-  language: go_language
-  target: BranchPath
-  carrier: "BranchPath"
-  is_copy: false
-  fields: [
-    { dag_name: "body", access: DirectField("body"), borrowed_read: false },
-    { dag_name: "result_port", access: DirectField("result_port"), borrowed_read: false },
-    { dag_name: "pattern", access: DirectField("pattern"), borrowed_read: false },
-    { dag_name: "binding", access: DirectField("binding"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_loop_bound: TypeRealization = {
-  language: go_language
-  target: LoopBound
-  carrier: "LoopBound"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-// DB-18 Stage 2b: `lane2_workflow` / `WorkflowEffect?` is **omitted** from
-// `go_value_node` / `go_bind_node` until Go has a typed projection getter
-// matching `WorkflowEffect?` (Rust uses `AccessorMethod("lane2_workflow")` in
-// `rust.dag`, not `DirectField` on staged storage). Listing `DirectField` here
-// duplicated a second, inconsistent realization story vs the substrate accessor
-// (`lane2_workflow_at`). Re-add when Go emission can express the same boundary.
-data go_value_node: TypeRealization = {
-  language: go_language
-  target: ValueNode
-  carrier: "ValueNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "payload", access: DirectField("payload"), borrowed_read: false },
-    { dag_name: "result_port", access: DirectField("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_transform_node: TypeRealization = {
-  language: go_language
-  target: TransformNode
-  carrier: "TransformNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "target", access: DirectField("target"), borrowed_read: false },
-    { dag_name: "inputs", access: DirectField("inputs"), borrowed_read: false },
-    { dag_name: "result_port", access: DirectField("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_branch_node: TypeRealization = {
-  language: go_language
-  target: BranchNode
-  carrier: "BranchNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "input", access: DirectField("input"), borrowed_read: false },
-    { dag_name: "paths", access: DirectField("paths"), borrowed_read: false },
-    { dag_name: "result_port", access: DirectField("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false },
-    { dag_name: "emit_participation", access: DirectField("emit_participation"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_loop_node: TypeRealization = {
-  language: go_language
-  target: LoopNode
-  carrier: "LoopNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "source", access: DirectField("source"), borrowed_read: false },
-    { dag_name: "init", access: DirectField("init"), borrowed_read: false },
-    { dag_name: "body", access: DirectField("body"), borrowed_read: false },
-    { dag_name: "bound", access: DirectField("bound"), borrowed_read: false },
-    { dag_name: "result_port", access: DirectField("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_bind_node: TypeRealization = {
-  language: go_language
-  target: BindNode
-  carrier: "BindNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "result_port", access: DirectField("result_port"), borrowed_read: false },
-    { dag_name: "params", access: DirectField("params"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false },
-    { dag_name: "emit_participation", access: DirectField("emit_participation"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_behavior: TypeRealization = {
-  language: go_language
-  target: Behavior
-  carrier: "Behavior"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_dag: TypeRealization = {
-  language: go_language
-  target: Dag
-  carrier: "Dag"
-  is_copy: false
-  fields: [
-    { dag_name: "declarations", access: DirectField("declarations"), borrowed_read: false },
-    { dag_name: "nodes", access: DirectField("nodes"), borrowed_read: false },
-    { dag_name: "ports", access: DirectField("ports"), borrowed_read: false },
-    { dag_name: "clusters", access: DirectField("clusters"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-// SG-3f — reflected parse-surface carriers for non-Rust targets too.
-// These rows keep the surface schema in the target-language realization
-// table so cross-target emitters can reason about the same substrate
-// declarations, even though the SG-3f consumer proof currently runs
-// through Rust.
-data go_surface_module: TypeRealization = {
-  language: go_language
-  target: SurfaceModule
-  carrier: "SurfaceModule"
-  is_copy: false
-  fields: [
-    { dag_name: "items", access: DirectField("items"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_surface_item: TypeRealization = {
-  language: go_language
-  target: SurfaceItem
-  carrier: "SurfaceItem"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_surface_param: TypeRealization = {
-  language: go_language
-  target: SurfaceParam
-  carrier: "SurfaceParam"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false },
-    { dag_name: "refinement", access: DirectField("refinement"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_surface_field: TypeRealization = {
-  language: go_language
-  target: SurfaceField
-  carrier: "SurfaceField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_surface_variant: TypeRealization = {
-  language: go_language
-  target: SurfaceVariant
-  carrier: "SurfaceVariant"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "payload", access: DirectField("payload"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_variant_payload: TypeRealization = {
-  language: go_language
-  target: VariantPayload
-  carrier: "VariantPayload"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_surface_type: TypeRealization = {
-  language: go_language
-  target: SurfaceType
-  carrier: "SurfaceType"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_surface_record_field: TypeRealization = {
-  language: go_language
-  target: SurfaceRecordField
-  carrier: "SurfaceRecordField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_surface_map_entry: TypeRealization = {
-  language: go_language
-  target: SurfaceMapEntry
-  carrier: "SurfaceMapEntry"
-  is_copy: false
-  fields: [
-    { dag_name: "key", access: DirectField("key"), borrowed_read: false },
-    { dag_name: "key_span", access: DirectField("key_span"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_surface_match_arm: TypeRealization = {
-  language: go_language
-  target: SurfaceMatchArm
-  carrier: "SurfaceMatchArm"
-  is_copy: false
-  fields: [
-    { dag_name: "pattern", access: DirectField("pattern"), borrowed_read: false },
-    { dag_name: "body", access: DirectField("body"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_surface_pattern_field: TypeRealization = {
-  language: go_language
-  target: SurfacePatternField
-  carrier: "SurfacePatternField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "binding", access: DirectField("binding"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data go_surface_pattern: TypeRealization = {
-  language: go_language
-  target: SurfacePattern
-  carrier: "SurfacePattern"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_surface_literal: TypeRealization = {
-  language: go_language
-  target: SurfaceLiteral
-  carrier: "SurfaceLiteral"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_surface_expr: TypeRealization = {
-  language: go_language
-  target: SurfaceExpr
-  carrier: "SurfaceExpr"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data go_int_add: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.add
-  carrier: "({lhs} + {rhs})"
-  cost: 1
-}
-
-data go_int_sub: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.sub
-  carrier: "({lhs} - {rhs})"
-  cost: 1
-}
-
-data go_int_mul: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.mul
-  carrier: "({lhs} * {rhs})"
-  cost: 1
-}
-
-data go_int_div: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.div
-  carrier: "v3intdiv({lhs}, {rhs})"
-  cost: 1
-}
-
-data go_int_eq: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data go_node_id_eq: OperatorRealization = {
-  language: go_language
-  target: NodeId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data go_port_id_eq: OperatorRealization = {
-  language: go_language
-  target: PortId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data go_declaration_id_eq: OperatorRealization = {
-  language: go_language
-  target: DeclarationId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data go_int_ne: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data go_node_id_ne: OperatorRealization = {
-  language: go_language
-  target: NodeId
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data go_port_id_ne: OperatorRealization = {
-  language: go_language
-  target: PortId
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data go_declaration_id_ne: OperatorRealization = {
-  language: go_language
-  target: DeclarationId
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data go_int_lt: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.lt
-  carrier: "({lhs} < {rhs})"
-  cost: 1
-}
-
-data go_int_le: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.le
-  carrier: "({lhs} <= {rhs})"
-  cost: 1
-}
-
-data go_int_gt: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.gt
-  carrier: "({lhs} > {rhs})"
-  cost: 1
-}
-
-data go_int_ge: OperatorRealization = {
-  language: go_language
-  target: Int
-  op: OrderedRing.ge
-  carrier: "({lhs} >= {rhs})"
-  cost: 1
-}
-
-data go_bool_meet: OperatorRealization = {
-  language: go_language
-  target: Bool
-  op: BooleanAlgebra.meet
-  carrier: "({lhs} && {rhs})"
-  cost: 1
-}
-
-data go_bool_join: OperatorRealization = {
-  language: go_language
-  target: Bool
-  op: BooleanAlgebra.join
-  carrier: "({lhs} || {rhs})"
-  cost: 1
-}
-
-data go_let_stmt: BehaviorRealization = {
-  language: go_language
-  target: Bind
-  carrier: "var {name} {type} = {value}"
-  cost: 0
-}
-
-data go_if_expr: BehaviorRealization = {
-  language: go_language
-  target: Branch
-  carrier: "if {cond} { {then} } else { {else} }"
-  cost: 0
-}
-
-data go_main_wrap: BehaviorRealization = {
-  language: go_language
-  target: Main
-  carrier: "func main() {\n{body}\nfmt.Println({final})\n}"
-  cost: 0
-}
-
-data go_empty_callable: CallableRealization = {
-  language: go_language
-  target: empty
-  strategy: ListEmpty
-  parameters: []
-  cost: 1
-}
-
-data go_singleton_callable: CallableRealization = {
-  language: go_language
-  target: singleton
-  strategy: ListSingleton
-  parameters: [
-    { slot: 0, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data go_cons_callable: CallableRealization = {
-  language: go_language
-  target: cons
-  strategy: ListCons
-  parameters: [
-    { slot: 0, disposition: Consumed },
-    { slot: 1, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data go_concat_callable: CallableRealization = {
-  language: go_language
-  target: concat
-  strategy: ListConcat
-  parameters: [
-    { slot: 0, disposition: Consumed },
-    { slot: 1, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data go_length_callable: CallableRealization = {
-  language: go_language
-  target: length
-  strategy: ListLength
-  parameters: [
-    { slot: 0, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data go_list_instantiation: TypeInstantiationRealization = {
-  language: go_language
-  target: List
-  carrier: "[]{element}"
-  cost: 1
-}
-
-// v3 `type Result<ok, err> = ...` lives in `std.error_primitives`; Go uses a
-// sealed interface carrier so the target representation remains exactly one of
-// Ok/Err instead of a two-field product with invalid nil/both states.
-// `go_source_filtering` omits `dsl/std/`. M1: int-div prelude `v3intdiv` returns
-// the same concrete `v3Result[int64, DivError]` shape — structural interchange
-// with this template is only guaranteed for that specialization until a richer
-// Go lowering exists.
-// Dissolution (tracked work, not prose-only): land parameterized Go `Result` lowering so this
-// carrier + `emit.rs` `v3intdiv` int64 prelude are no longer the authority for non-Int `T`.
-data go_result_instantiation: TypeInstantiationRealization = {
-  language: go_language
-  target: Result
-  carrier: "v3Result[{key}, {value}]"
-  cost: 1
-}
-
-data go_map_instantiation: TypeInstantiationRealization = {
-  language: go_language
-  target: Map
-  carrier: "map[{key}]{value}"
-  cost: 1
-}
-
-data go_is_empty_callable: CallableRealization = {
-  language: go_language
-  target: is_empty
-  strategy: ListIsEmpty
-  parameters: [
-    { slot: 0, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data go_fold_callable: CallableRealization = {
-  language: go_language
-  target: fold
-  strategy: ListFold
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Consumed },
-    { slot: 2, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data go_map_callable: CallableRealization = {
-  language: go_language
-  target: map
-  strategy: ListMap
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data go_filter_callable: CallableRealization = {
-  language: go_language
-  target: filter
-  strategy: ListFilter
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data go_contains_callable: CallableRealization = {
-  language: go_language
-  target: contains
-  strategy: ListContains
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-// List structural-sum → slice carrier; same pattern-role contract as Rust/Python.
-data go_list_pattern: PatternRealization = {
-  language: go_language
-  target: List
-  strategy: VectorList
-  empty_variant: List.Empty
-  cons_variant: List.Cons
-  scrutinee: "{expr}"
-  empty_pattern: "len({expr}) == 0"
-  cons_pattern: "{expr}"
-  head_expr: "{list}[0]"
-  tail_expr: "{list}[1:]"
-  cost: 1
-}
-
-data go_statements: StatementSyntax = {
-  let_binding: "var {name} {type} = {value}"
-  let_binding_inferred: "{name} := {value}"
-}
-
-data go_expressions: ExpressionSyntax = {
-  field_access: "({object}).{field}"
-  function_call: "{func}({args})"
-  closure: "func({params}) { return {body} }"
-}
-
-data go_control_flow: ControlFlowSyntax = {
-  if_else: "if {cond} { {then} } else { {else} }"
-  match_arm: "{pattern}: return {body}"
-  for_each_syntax: { prefix: "for _, ", separator: " := range " }
-}
-
-data go_literals: LiteralSyntax = {
-  true_keyword: "true"
-  false_keyword: "false"
-  string_delimiter: "%Q"
-}
-
-data go_modules: ModuleSyntax = {
-  path_separator: "."
-}
-
-data go_functions: FunctionSyntax = {
-  definition: "func {name}({params}) {ret} { return {body} }"
-  definition_exported: "func {name}({params}) {ret} { return {body} }"
-  definition_void: "func {name}({params}) { {body} }"
-  param_with_type: "{name} {type}"
-  param_separator: ", "
-}
-
-data go_type_applications: TypeApplicationSyntax = {
-  optional: "*{element}"
-}
-
-data go_type_defs: TypeDefinitionSyntax = {
-  struct_def: "type {name} struct { {fields} }"
-  struct_field: "{name} {type}"
-  enum_def: "type {name} interface{}"
-  enum_unit_variant: "{name}"
-  enum_data_variant: "{name}"
-}
-
-data go_patterns: PatternMatchSyntax = {
-  match_expr: "{expr}"
-  match_arm: "{pattern}: return {body}"
-  variant_pattern: "{name}"
-  variant_pattern_positional: "{name}"
-  variant_pattern_empty: "{name}"
-  field_binding: "{field}: {binding}"
-  field_binding_separator: ", "
-  wildcard: "_"
-}
-
-data go_collection_ops: CollectionOps = {
-  concat_contract: go_language_spec_free_monoid_concat_contract
-  length_contract: go_language_spec_free_monoid_length_contract
-  is_empty_contract: go_language_spec_free_monoid_emptiness_contract
-  fold_contract: go_language_spec_free_monoid_fold_contract
-  filter_contract: go_filter_method_template_contract
-  flat_map_contract: go_flat_map_method_template_contract
-  any_contract: go_any_method_template_contract
-  all_contract: go_all_method_template_contract
-  map_contract: go_language_spec_map_contract
-  filter: "/* filter({recv}, {body}) */"
-  contains: "/* contains({recv}, {item}) */"
-  empty_list: "nil"
-  list_literal: "[]{element_type}{{{elements}}}"
-  cons: "append([]{element_type}{{{head}}}, {tail}...)"
-}
-
-data go_value_construction: ValueConstructionSyntax = {
-  struct_literal: "{type}{{ {fields} }}"
-  struct_field_init: "{name}: {value}"
-  struct_field_separator: ", "
-  variant_construction: "{variant}({args})"
-  variant_named_construction: "{variant}{{ {fields} }}"
-}
-
-// `go_rendering` previously declared a RenderingModel for Go (copied
-// from rust_rendering's shape for schema parity), but no emit_go
-// decision actually consumed it — emit_go's GC rendering makes no
-// borrow/move distinctions, so ReadStrategy/ConstructStrategy aren't
-// load-bearing on this target. Removed per INVARIANTS.md E-6 (no
-// target-spec field without a same-PR consumer). When Go grows a
-// rendering choice that needs the model (e.g. RefCounted pointer
-// vs value struct), re-declare it AND wire the emitter consumer
-// in the same PR.
-
-// P2 / E-6: `emit_go` does not read this yet — empty
-// `RecordDeriveTemplateBundle` inhabits `LanguageSpec.record_derive_templates`
-// (shared Conj with Rust); not cross-target Rust authority.
-data go_record_derive_templates: RecordDeriveTemplateBundle = {
-  struct_def_no_debug: ""
-  enum_def_no_debug: ""
-}
-
-data go_language: LanguageSpec = {
-  statements: go_statements
-  expressions: go_expressions
-  control_flow: go_control_flow
-  literals: go_literals
-  modules: go_modules
-  functions: go_functions
-  type_applications: go_type_applications
-  type_definitions: go_type_defs
-  record_derive_templates: go_record_derive_templates
-  patterns: go_patterns
-  collection_ops: go_collection_ops
-  values: go_value_construction
-}
-
-// ─────────────────────────────────────────────────────────────────
-// Clean-emission contract (E-5 / Lane 1 Stage 1c PR 2).
-// ─────────────────────────────────────────────────────────────────
-//
-// Per-target rule choices for the E-5 invariant. Emitters read this
-// contract to shape emitted code so it passes Go's declared
-// verifier (`gofmt -l`; empty stdout ⇒ clean) by construction.
-//
-// **Dispatch state at this PR (Lane 1 Stage 1c PR 2):**
-// - `pattern_bindings` is LIVE — `emit_go::render_sum_branch`
-//   dispatches on it for the unused-payload-binding pilot. Go's
-//   realization of `EmitUnderscoreWhenUnused` is to elide the
-//   per-arm `{name} := {expr};` prefix entirely when the body does
-//   not consume the binding (and drop the type-switch `v :=`
-//   header when no arm binds). Go's compiler treats unused locals
-//   as errors, so elision is required for correctness — not
-//   merely a warnings-posture choice.
-// - `variant_payload_field_access` is LIVE — `emit_go` treats the
-//   type-switch witness `v` as the whole payload carrier for named
-//   payloads, while positional single-field payloads bind directly
-//   to `v._0`.
-// - Every other field is authored-but-unread. Each field has a
-//   named rollout: the emitter change that consumes it removes
-//   the corresponding lint from the test-wrapper allow list in
-//   the same PR (Lane 1d/1e consolidation).
-
-data go_correction_style: CorrectionStyle = {
-  indent_unit: "\t"
-  line_ending: "\n"
-  string_quote: "%Q"
-  trailing_semicolon: false
-}
-
-data go_clean_emission: CleanEmissionContract = {
-  expression_wrapping: WrapOnlyInOperandPosition
-  pattern_bindings: EmitUnderscoreWhenUnused
-  variant_payload_field_access: AccessFromPayloadBinding
-  imports: IncludeOnlyReferenced
-  block_return: ExplicitReturnKeyword
-  variable_bindings: EmitLetUnderscoreWhenUnused
-  match_arm_body: NotApplicableMatchArmBody
-  correction_style: go_correction_style
-  post_emit_verifier: {
-    command: "gofmt"
-    args: ["-l"]
-    syntax_only: true
-    expected_exit_code: 0
-    output_policy: RequireEmptyStdout
-  }
-}
-
-data go_clean_emission_binding: TargetCleanEmissionBinding = {
-  language: go_language
-  clean_emission: go_clean_emission
-}
diff --git a/src/v3/spec/python.dag b/src/v3/spec/python.dag
deleted file mode 100644
index 53256efc04e..00000000000
--- a/src/v3/spec/python.dag
+++ /dev/null
@@ -1,839 +0,0 @@
-module v3.spec.python
-
-import v3.spec.v3_l1 { DeclarationRef }
-import v3.std.substrate {
-  NodeId, PortId, DeclarationId, SourceSpan, DagPort, Dag, ValueNode,
-  TransformNode, BranchNode, LoopNode, BindNode, BranchPath, Behavior
-}
-import std.list {
-  List, empty, singleton, cons, concat, length, is_empty, fold, map, filter, contains
-}
-import std.algebra { BooleanAlgebra, OrderedRing }
-import v3.std.computation_model {
-  TargetExecutionModel, MemoryModel,
-  GarbageCollected, LexicalScoping,
-  ShapeATargetSourceFiltering, ExecutionModelRequirement,
-  internal_source_filtering
-}
-import v3.std.emit_model {
-  TypeRealization, OperatorRealization, CallableRealization,
-  TypeInstantiationRealization, PatternRealization, CallableStrategy,
-  PatternStrategy, CallableParameter, ParameterDisposition,
-  Borrowed, Consumed,
-  StatementSyntax, ExpressionSyntax, ControlFlowSyntax, ForEachSyntax,
-  LiteralSyntax, ModuleSyntax, FunctionSyntax, TypeApplicationSyntax,
-  TypeDefinitionSyntax, RecordDeriveTemplateBundle, PatternMatchSyntax,
-  CollectionOps, ValueConstructionSyntax, LanguageSpec,
-  TargetIntegerTypeInhabitance, TargetIntegerInhabitanceBound
-}
-import v3.std.python_method_template_contracts {
-  python_language_spec_free_monoid_concat_contract,
-  python_language_spec_free_monoid_length_contract,
-  python_language_spec_free_monoid_emptiness_contract,
-  python_language_spec_free_monoid_fold_contract,
-  python_language_spec_map_contract,
-  python_filter_method_template_contract,
-  python_flat_map_method_template_contract,
-  python_any_method_template_contract,
-  python_all_method_template_contract
-}
-import std.integer { Int }
-import v3.std.clean_emission {
-  CleanEmissionContract,
-  TargetCleanEmissionBinding,
-  ExpressionWrappingRule, WrapOnlyInOperandPosition,
-  PatternBindingRule, NotApplicablePatternBinding,
-  ImportRule, IncludeOnlyReferenced,
-  BlockReturnRule, ExplicitReturnKeyword,
-  VariableBindingRule, EmitLetBindingAlways,
-  MatchArmBodyRule, NotApplicableMatchArmBody,
-  CorrectionStyle, PostEmitVerifier,
-  VerifierOutputPolicy, IgnoreVerifierOutput
-}
-import v3.std.parse_surface {
-  SurfaceModule, SurfaceItem, SurfaceParam, SurfaceField, SurfaceVariant,
-  VariantPayload, SurfaceType, SurfaceRecordField, SurfaceMapEntry, SurfaceMatchArm,
-  SurfacePatternField, SurfacePattern, SurfaceLiteral, SurfaceExpr
-}
-
-data python_statements: StatementSyntax = {
-  let_binding: "{name} = {value}"
-  let_binding_inferred: "{name} = {value}"
-}
-
-data python_expressions: ExpressionSyntax = {
-  field_access: "{object}.{field}"
-  function_call: "{func}({args})"
-  closure: "lambda {params}: {body}"
-}
-
-data python_control_flow: ControlFlowSyntax = {
-  if_else: "({then} if {cond} else {else})"
-  match_arm: "{pattern}: {body}"
-  for_each_syntax: {
-    prefix: "for {item} in {iter}:\n{body}"
-    separator: "\n"
-  }
-}
-
-data python_literals: LiteralSyntax = {
-  true_keyword: "True"
-  false_keyword: "False"
-  string_delimiter: "%Q"
-}
-
-data python_modules: ModuleSyntax = {
-  path_separator: "."
-}
-
-data python_functions: FunctionSyntax = {
-  definition: "def {name}({params}) -> {ret}:\n    return {body}"
-  definition_exported: "def {name}({params}) -> {ret}:\n    return {body}"
-  definition_void: "def {name}({params}) -> None:\n    {body}"
-  param_with_type: "{name}: {type}"
-  param_separator: ", "
-}
-
-data python_type_applications: TypeApplicationSyntax = {
-  optional: "typing.Optional[{element}]"
-}
-
-data python_type_definitions: TypeDefinitionSyntax = {
-  struct_def: "@dataclass\nclass {name}:\n{fields}"
-  struct_field: "{name}: {type}"
-  enum_def: "class {name}:\n    pass\n\n{variants}"
-  enum_unit_variant: "@dataclass\nclass {name}({parent}):\n    pass"
-  enum_data_variant: "@dataclass\nclass {name}({parent}):\n{fields}"
-}
-
-data python_patterns: PatternMatchSyntax = {
-  match_expr: "match {expr} { {arms} }"
-  match_arm: "{pattern}: {body}"
-  variant_pattern: "{name}({bindings})"
-  variant_pattern_positional: "{name}({binding})"
-  variant_pattern_empty: "{name}()"
-  field_binding: "{field}={binding}"
-  field_binding_separator: ", "
-  wildcard: "_"
-}
-
-data python_collections: CollectionOps = {
-  empty_list: "[]"
-  list_literal: "[{elements}]"
-  cons: "[{head}, *{tail}]"
-  concat_contract: python_language_spec_free_monoid_concat_contract
-  length_contract: python_language_spec_free_monoid_length_contract
-  is_empty_contract: python_language_spec_free_monoid_emptiness_contract
-  fold_contract: python_language_spec_free_monoid_fold_contract
-  filter_contract: python_filter_method_template_contract
-  flat_map_contract: python_flat_map_method_template_contract
-  any_contract: python_any_method_template_contract
-  all_contract: python_all_method_template_contract
-  map_contract: python_language_spec_map_contract
-  filter: "[{item_push} for {item} in {recv} if {predicate}]"
-  contains: "({item} in {recv})"
-}
-
-data python_value_construction: ValueConstructionSyntax = {
-  struct_literal: "{name}({fields})"
-  struct_field_init: "{field}={value}"
-  struct_field_separator: ", "
-  variant_construction: "{name}()"
-  variant_named_construction: "{name}({fields})"
-}
-
-// P2 / E-6: `emit_python` does not read this yet — empty
-// `RecordDeriveTemplateBundle` inhabits `LanguageSpec.record_derive_templates`
-// (shared Conj with Rust); not cross-target Rust authority.
-data python_record_derive_templates: RecordDeriveTemplateBundle = {
-  struct_def_no_debug: ""
-  enum_def_no_debug: ""
-}
-
-data python_language: LanguageSpec = {
-  statements: python_statements
-  expressions: python_expressions
-  control_flow: python_control_flow
-  literals: python_literals
-  modules: python_modules
-  functions: python_functions
-  type_applications: python_type_applications
-  type_definitions: python_type_definitions
-  record_derive_templates: python_record_derive_templates
-  patterns: python_patterns
-  collection_ops: python_collections
-  values: python_value_construction
-}
-
-data python_target: TargetExecutionModel = {
-  memory: GarbageCollected
-  scope: LexicalScoping
-}
-
-data python_source_filtering: ShapeATargetSourceFiltering = {
-  internal: internal_source_filtering
-  additional_excluded_prefixes: []
-}
-
-data python_execution_requirement: ExecutionModelRequirement = GarbageCollected
-
-data python_int: TypeRealization = {
-  language: python_language
-  target: Int
-  carrier: "int"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-// Example 8: same static i32-range bound as Rust/Go; arbitrary precision carrier (`int`).
-data python_integer_inhabit_at_i32_program_bound: TargetIntegerTypeInhabitance = {
-  language: python_language
-  kernel_integer: Int
-  algebra: Int
-  bound: StaticBoundFact(BoundedInterval {
-    lower: -2147483648
-    width: PositiveWidth(UnitCount { units: 4294967295 })
-  })
-  type_realization: python_int
-}
-
-// Value-domain unbounded integer (design doc Python `int` magnitude axis).
-data python_integer_inhabit_unbounded_decl: TargetIntegerTypeInhabitance = {
-  language: python_language
-  kernel_integer: Int
-  algebra: Int
-  bound: StaticBoundFact(Unbounded)
-  type_realization: python_int
-}
-
-data python_bool: TypeRealization = {
-  language: python_language
-  target: Bool
-  carrier: "bool"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data python_string: TypeRealization = {
-  language: python_language
-  target: String
-  carrier: "str"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data python_node_id: TypeRealization = {
-  language: python_language
-  target: NodeId
-  carrier: "NodeId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data python_port_id: TypeRealization = {
-  language: python_language
-  target: PortId
-  carrier: "PortId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data python_declaration_id: TypeRealization = {
-  language: python_language
-  target: DeclarationId
-  carrier: "DeclarationId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data python_declaration_ref: TypeRealization = {
-  language: python_language
-  target: DeclarationRef
-  carrier: "DeclarationId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data python_source_span: TypeRealization = {
-  language: python_language
-  target: SourceSpan
-  carrier: "SourceSpan"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_dag_port: TypeRealization = {
-  language: python_language
-  target: DagPort
-  carrier: "DagPort"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_branch_path: TypeRealization = {
-  language: python_language
-  target: BranchPath
-  carrier: "BranchPath"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_value_node: TypeRealization = {
-  language: python_language
-  target: ValueNode
-  carrier: "ValueNode"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_transform_node: TypeRealization = {
-  language: python_language
-  target: TransformNode
-  carrier: "TransformNode"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_branch_node: TypeRealization = {
-  language: python_language
-  target: BranchNode
-  carrier: "BranchNode"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_loop_node: TypeRealization = {
-  language: python_language
-  target: LoopNode
-  carrier: "LoopNode"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_bind_node: TypeRealization = {
-  language: python_language
-  target: BindNode
-  carrier: "BindNode"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_behavior: TypeRealization = {
-  language: python_language
-  target: Behavior
-  carrier: "Behavior"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_dag: TypeRealization = {
-  language: python_language
-  target: Dag
-  carrier: "Dag"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-// SG-3f — reflected parse-surface carriers for non-Rust targets too.
-data python_surface_module: TypeRealization = {
-  language: python_language
-  target: SurfaceModule
-  carrier: "SurfaceModule"
-  is_copy: false
-  fields: [
-    { dag_name: "items", access: DirectField("items"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_surface_item: TypeRealization = {
-  language: python_language
-  target: SurfaceItem
-  carrier: "SurfaceItem"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_surface_param: TypeRealization = {
-  language: python_language
-  target: SurfaceParam
-  carrier: "SurfaceParam"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false },
-    { dag_name: "refinement", access: DirectField("refinement"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_surface_field: TypeRealization = {
-  language: python_language
-  target: SurfaceField
-  carrier: "SurfaceField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_surface_variant: TypeRealization = {
-  language: python_language
-  target: SurfaceVariant
-  carrier: "SurfaceVariant"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "payload", access: DirectField("payload"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_variant_payload: TypeRealization = {
-  language: python_language
-  target: VariantPayload
-  carrier: "VariantPayload"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_surface_type: TypeRealization = {
-  language: python_language
-  target: SurfaceType
-  carrier: "SurfaceType"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_surface_record_field: TypeRealization = {
-  language: python_language
-  target: SurfaceRecordField
-  carrier: "SurfaceRecordField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_surface_map_entry: TypeRealization = {
-  language: python_language
-  target: SurfaceMapEntry
-  carrier: "SurfaceMapEntry"
-  is_copy: false
-  fields: [
-    { dag_name: "key", access: DirectField("key"), borrowed_read: false },
-    { dag_name: "key_span", access: DirectField("key_span"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_surface_match_arm: TypeRealization = {
-  language: python_language
-  target: SurfaceMatchArm
-  carrier: "SurfaceMatchArm"
-  is_copy: false
-  fields: [
-    { dag_name: "pattern", access: DirectField("pattern"), borrowed_read: false },
-    { dag_name: "body", access: DirectField("body"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_surface_pattern_field: TypeRealization = {
-  language: python_language
-  target: SurfacePatternField
-  carrier: "SurfacePatternField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "binding", access: DirectField("binding"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data python_surface_pattern: TypeRealization = {
-  language: python_language
-  target: SurfacePattern
-  carrier: "SurfacePattern"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_surface_literal: TypeRealization = {
-  language: python_language
-  target: SurfaceLiteral
-  carrier: "SurfaceLiteral"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_surface_expr: TypeRealization = {
-  language: python_language
-  target: SurfaceExpr
-  carrier: "SurfaceExpr"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data python_int_add: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.add
-  carrier: "({lhs} + {rhs})"
-  cost: 1
-}
-
-data python_int_sub: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.sub
-  carrier: "({lhs} - {rhs})"
-  cost: 1
-}
-
-data python_int_mul: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.mul
-  carrier: "({lhs} * {rhs})"
-  cost: 1
-}
-
-data python_int_div: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.div
-  carrier: "(__v3_idiv({lhs}, {rhs}))"
-  cost: 1
-}
-
-data python_int_eq: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data python_node_id_eq: OperatorRealization = {
-  language: python_language
-  target: NodeId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data python_port_id_eq: OperatorRealization = {
-  language: python_language
-  target: PortId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data python_declaration_id_eq: OperatorRealization = {
-  language: python_language
-  target: DeclarationId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data python_int_ne: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data python_int_lt: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.lt
-  carrier: "({lhs} < {rhs})"
-  cost: 1
-}
-
-data python_int_le: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.le
-  carrier: "({lhs} <= {rhs})"
-  cost: 1
-}
-
-data python_int_gt: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.gt
-  carrier: "({lhs} > {rhs})"
-  cost: 1
-}
-
-data python_int_ge: OperatorRealization = {
-  language: python_language
-  target: Int
-  op: OrderedRing.ge
-  carrier: "({lhs} >= {rhs})"
-  cost: 1
-}
-
-data python_bool_meet: OperatorRealization = {
-  language: python_language
-  target: Bool
-  op: BooleanAlgebra.meet
-  carrier: "({lhs} and {rhs})"
-  cost: 1
-}
-
-data python_bool_join: OperatorRealization = {
-  language: python_language
-  target: Bool
-  op: BooleanAlgebra.join
-  carrier: "({lhs} or {rhs})"
-  cost: 1
-}
-
-data python_empty_callable: CallableRealization = {
-  language: python_language
-  target: empty
-  strategy: ListEmpty
-  parameters: []
-  cost: 1
-}
-
-data python_singleton_callable: CallableRealization = {
-  language: python_language
-  target: singleton
-  strategy: ListSingleton
-  parameters: [
-    { slot: 0, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data python_cons_callable: CallableRealization = {
-  language: python_language
-  target: cons
-  strategy: ListCons
-  parameters: [
-    { slot: 0, disposition: Consumed },
-    { slot: 1, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data python_concat_callable: CallableRealization = {
-  language: python_language
-  target: concat
-  strategy: ListConcat
-  parameters: [
-    { slot: 0, disposition: Consumed },
-    { slot: 1, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data python_length_callable: CallableRealization = {
-  language: python_language
-  target: length
-  strategy: ListLength
-  parameters: [
-    { slot: 0, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data python_is_empty_callable: CallableRealization = {
-  language: python_language
-  target: is_empty
-  strategy: ListIsEmpty
-  parameters: [
-    { slot: 0, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data python_fold_callable: CallableRealization = {
-  language: python_language
-  target: fold
-  strategy: ListFold
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Consumed },
-    { slot: 2, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data python_map_callable: CallableRealization = {
-  language: python_language
-  target: map
-  strategy: ListMap
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data python_filter_callable: CallableRealization = {
-  language: python_language
-  target: filter
-  strategy: ListFilter
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data python_contains_callable: CallableRealization = {
-  language: python_language
-  target: contains
-  strategy: ListContains
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data python_list_instantiation: TypeInstantiationRealization = {
-  language: python_language
-  target: List
-  carrier: "list[{element}]"
-  cost: 1
-}
-
-// v3 `Result<ok, err>` — `python_source_filtering` omits `dsl/std/`; prelude defines `DivError` + `__v3_idiv`.
-data python_result_instantiation: TypeInstantiationRealization = {
-  language: python_language
-  target: Result
-  carrier: "typing.Union[typing.Tuple[typing.Literal['Ok'], {key}], typing.Tuple[typing.Literal['Err'], {value}]]"
-  cost: 1
-}
-
-// List structural-sum → Python list surface; pattern-role + templates are spec-owned.
-data python_non_empty_list_instantiation: TypeInstantiationRealization = {
-  language: python_language
-  target: NonEmptyList
-  carrier: "NonEmptyList[{element}]"
-  cost: 1
-}
-
-data python_non_singleton_list_instantiation: TypeInstantiationRealization = {
-  language: python_language
-  target: NonSingletonList
-  carrier: "NonSingletonList[{element}]"
-  cost: 1
-}
-data python_list_pattern: PatternRealization = {
-  language: python_language
-  target: List
-  strategy: VectorList
-  empty_variant: List.Empty
-  cons_variant: List.Cons
-  scrutinee: "{expr}"
-  empty_pattern: "len({expr}) == 0"
-  cons_pattern: "{expr}"
-  head_expr: "{list}[0]"
-  tail_expr: "{list}[1:]"
-  cost: 1
-}
-
-// ─────────────────────────────────────────────────────────────────
-// Clean-emission contract (E-5 / Lane 1 Stage 1c PR 3).
-// ─────────────────────────────────────────────────────────────────
-//
-// Per-target rule choices for the E-5 invariant. Python's match
-// emission is structurally different from Rust and Go: emit_python
-// does not use Python's native `match` statement, it lowers
-// branches to `isinstance(__match, V)` dispatch inside a lambda,
-// and substitutes each payload binding's port with an extraction
-// expression (`__match._0` / `__match`) at render time. The binding
-// identifier itself is never emitted at the pattern site — the
-// substitution happens at every port reference inside the arm body,
-// so unused bindings produce no identifier in the emitted Python at
-// all. `NotApplicablePatternBinding` encodes that surface fact.
-//
-// **Dispatch state at this PR (Lane 1 Stage 1c PR 3):**
-// - `pattern_bindings` is LIVE — `emit_python::render_branch_body_expr`
-//   dispatches on it. `NotApplicablePatternBinding` selects the
-//   substitute-at-render-time path (the emitter's existing behavior);
-//   any other rule is rejected at contract-parse time.
-// - `variant_payload_field_access` is LIVE — `emit_python` treats
-//   `__match` as the whole payload carrier for named payloads, while
-//   positional single-field payloads substitute `__match._0`.
-// - Every other field is authored-but-unread. Each field has a
-//   named rollout: the emitter change that consumes it removes
-//   the corresponding lint from the test-wrapper allow list in
-//   the same PR (Lane 1d/1e consolidation).
-//
-// Python's post-emit verifier is `python3 -m py_compile` —
-// syntax-only validation. Semantic verifiers (ruff, mypy --strict)
-// are Lane 1d/1e concerns, not this PR.
-
-data python_correction_style: CorrectionStyle = {
-  indent_unit: "    "
-  line_ending: "\n"
-  string_quote: "%Q"
-  trailing_semicolon: false
-}
-
-data python_clean_emission: CleanEmissionContract = {
-  expression_wrapping: WrapOnlyInOperandPosition
-  pattern_bindings: NotApplicablePatternBinding
-  variant_payload_field_access: AccessFromPayloadBinding
-  imports: IncludeOnlyReferenced
-  block_return: ExplicitReturnKeyword
-  variable_bindings: EmitLetBindingAlways
-  match_arm_body: NotApplicableMatchArmBody
-  correction_style: python_correction_style
-  post_emit_verifier: {
-    command: "python3"
-    args: ["-m", "py_compile"]
-    syntax_only: true
-    expected_exit_code: 0
-    output_policy: IgnoreVerifierOutput
-  }
-}
-
-data python_clean_emission_binding: TargetCleanEmissionBinding = {
-  language: python_language
-  clean_emission: python_clean_emission
-}
diff --git a/src/v3/spec/rust.dag b/src/v3/spec/rust.dag
deleted file mode 100644
index 2941464fee8..00000000000
--- a/src/v3/spec/rust.dag
+++ /dev/null
@@ -1,1877 +0,0 @@
-// M1(3) PR-B-unwind — Rust target realization with typed
-// declaration references throughout.
-//
-// **What changed from the initial PR-B cut.** The original
-// `Realization` meta-type used `target_name: String` and
-// `op_name: String` — string keys that the emitter dispatched on
-// via `index.lookup("Int", "")` etc. That regenerated the
-// name-bridge dispatch pattern that M1(2.7) had spent fourteen
-// review rounds eliminating from the inference layer, just at the
-// emit layer instead. The unwind reshapes every realization to
-// carry typed `DeclarationRef` references (resolved at lower time
-// from identifier / dotted-path expressions in the data body) so
-// the emitter looks up by `DeclarationId` and zero name strings
-// cross the substrate/emitter boundary.
-//
-// **Four meta-types, one per realization category.** Earlier
-// drafts attempted to fit every realization under a single
-// `Realization` meta-type with overloaded `target` / `op` fields.
-// That conflated three distinct fact shapes:
-//   1. Type realizations: a primitive type → its target-language
-//      type name (Int → "i64").
-//   2. Operator realizations: a (operand_type, algebra_field) pair
-//      → its target-language operator symbol ((Int, OrderedRing.add)
-//      → "+").
-//   3. Behavior template realizations: a v3_l1 marker → a target-
-//      language template string with placeholder slots (Bind →
-//      "let {name}: {type} = {value};").
-// Each shape needs its own index keyed differently. Splitting the
-// meta-types makes the emitter's lookup tables type-safe and
-// each meta-type's 4-pattern dissolution receipt independent.
-//
-// **The placeholder template language (`{name}` / `{type}` /
-// `{value}` / etc.)** stays as-is: it is a bounded scaffold inside the
-// per-target template carrier strings. Each placeholder is
-// documented in the BehaviorRealization comment block below; the
-// substitution engine lives in `emit_rust.rs::render_template`.
-// The full dissolution would move the template language itself
-// into a structural form (e.g. a sub-DAG of placeholder edges
-// referencing the substrate's named slots) — that's deferred
-// follow-up work tracked in DOWNSTREAM_REQUIREMENTS.
-//
-// **`{quote}` placeholder** stands in for a literal `"` (double-quote)
-// inside a carrier string. The v3 tokenizer at M1(3) has no
-// string escape sequences, so `\"` inside a string literal is
-// impossible and `{quote}` is the workaround the emitter substitutes
-// at render time. Dissolves when the tokenizer learns escape
-// sequences.
-
-module v3.spec.rust
-
-import v3.spec.v3_l1 { Bind, Branch, Main }
-import v3.std.computation_model { TargetExecutionModel, OwnershipBased, LexicalScoping }
-import v3.std.computation_model {
-  ShapeATargetSourceFiltering, ExecutionModelRequirement,
-  internal_source_filtering
-}
-import v3.std.emit_model {
-  TypeRealization, FieldBinding, FieldAccess,
-  OperatorRealization, BehaviorRealization, CallableRealization,
-  TypeInstantiationRealization, CallableStrategy,
-  ParameterDisposition, Borrowed, Consumed,
-  PatternRealization, PatternStrategy,
-  StatementSyntax, ExpressionSyntax, ControlFlowSyntax,
-  LiteralSyntax, ModuleSyntax, FunctionSyntax, TypeApplicationSyntax,
-  TypeDefinitionSyntax, RecordDeriveTemplateBundle, PatternMatchSyntax,
-  CollectionOps, ValueConstructionSyntax, RenderingModel, LanguageSpec,
-  TargetIntegerTypeInhabitance, TargetIntegerInhabitanceBound,
-  MethodTemplateContract, SingleTemplate, NamedArg
-}
-import std.methods { concat_method, fold_method, is_empty_method, length_method, map_method }
-import v3.std.rust_method_template_contracts {
-  rust_filter_method_template_contract,
-  rust_flat_map_method_template_contract,
-  rust_any_method_template_contract,
-  rust_all_method_template_contract
-}
-import v3.std.substrate {
-  SubstrateAccessorRealization, SubstrateAccessorBinding,
-  port, node, resolve_producer, lane2_workflow_at, declaration_by_id,
-  declaration_by_name
-}
-import std.computation { per_call_pattern_at, per_call_descent_operand_port }
-import v3.std.clean_emission {
-  CleanEmissionContract,
-  TargetCleanEmissionBinding,
-  ExpressionWrappingRule, WrapOnlyInOperandPosition,
-  PatternBindingRule, EmitUnderscoreWhenUnused,
-  ImportRule, IncludeOnlyReferenced,
-  BlockReturnRule, NoWrappingOnTerminalExpression,
-  VariableBindingRule, EmitLetUnderscoreWhenUnused,
-  MatchArmBodyRule, NoWrappingOnNonComplexBody,
-  CorrectionStyle, PostEmitVerifier,
-  VerifierOutputPolicy, IgnoreVerifierOutput
-}
-import std.algebra { BooleanAlgebra, Monoid, FreeMonoid }
-import std.float { Real32, Real64 }
-import std.integer { Int, UInt8, Int32, UInt32, Int128, UInt128, IntPlatform, UIntPlatform }
-import v3.std.lookup { Lookup }
-import v3.std.dimensions { Witness }
-import v3.std.lens { Lens }
-import v3.std.lens_application { LensEnforcement, EnforceableLens }
-import v3.std.parse_surface {
-  SurfaceModule, SurfaceItem, SurfaceParam, SurfaceField, SurfaceVariant,
-  VariantPayload, SurfaceType, SurfaceRecordField, SurfaceMapEntry, SurfaceMatchArm,
-  SurfacePatternField, SurfacePattern, SurfaceLiteral, SurfaceExpr
-}
-
-data rust_execution_model: TargetExecutionModel = {
-  memory: OwnershipBased
-  scope: LexicalScoping
-}
-
-data rust_source_filtering: ShapeATargetSourceFiltering = {
-  internal: internal_source_filtering
-  additional_excluded_prefixes: ["src/v3/compiler/"]
-}
-
-data rust_execution_requirement: ExecutionModelRequirement = OwnershipBased
-
-// ─────────────────────────────────────────────────────────────────
-// Type realizations — primitive type mappings.
-// ─────────────────────────────────────────────────────────────────
-
-data rust_int: TypeRealization = {
-  language: rust_language
-  target: Int
-  carrier: "i64"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_uint8: TypeRealization = {
-  language: rust_language
-  target: UInt8
-  carrier: "u8"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_i32: TypeRealization = {
-  language: rust_language
-  target: Int32
-  carrier: "i32"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-// Fixed-width IEEE-754 reals (`dsl/std/float.dag` — `Real32`/`Real64` construction entries).
-data rust_f32: TypeRealization = {
-  language: rust_language
-  target: Real32
-  carrier: "f32"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_f64: TypeRealization = {
-  language: rust_language
-  target: Real64
-  carrier: "f64"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_u32: TypeRealization = {
-  language: rust_language
-  target: UInt32
-  carrier: "u32"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_i128: TypeRealization = {
-  language: rust_language
-  target: Int128
-  carrier: "i128"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-// R3 Phase B (Director Path A RATIFIED at gunbc#1739 #issuecomment-4392731264;
-// Option (ii) confirmed at gunbc#1761 #issuecomment-4393145631): u128
-// realization for the symmetric `UInt128` kernel integer. Unblocked by
-// Phase A `IntervalInt::ExactInterval` BigInt host repr widening.
-data rust_u128: TypeRealization = {
-  language: rust_language
-  target: UInt128
-  carrier: "u128"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-// R3 IntPlatform / UIntPlatform follow-on (Director Q1+Q2+Q3+Q4 RATIFIED at
-// gunbc#1739 #issuecomment-4393248961; inner-token rename `Platform` →
-// `PointerWidth` at gunbc#828 #issuecomment-4393616097). Pointer-width-
-// sized integer realizations: Rust `isize` / `usize` ground to the
-// `IntPlatform` / `UIntPlatform` substrate concepts via
-// `Compose<Int|UInt, MachineWidth<PointerWidth>>`.
-data rust_isize: TypeRealization = {
-  language: rust_language
-  target: IntPlatform
-  carrier: "isize"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_usize: TypeRealization = {
-  language: rust_language
-  target: UIntPlatform
-  carrier: "usize"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-// ── TargetIntegerTypeInhabitance rows (design-emission-model Examples 1, 2, 5, 6, 8 family) ──
-// Bounds use `StaticBoundFact(Interval<Int>)` inline so rows lower structurally
-// (DB-10: top-level `data …: BoundDeclaration = …` stays Unparsed). Signed
-// interval lowers use decimal literals such as `-2147483648`, produced by the
-// v3 tokenizer’s `-` + digits spelling (see `tokenize_generated.rs`).
-
-data rust_integer_inhabit_u32_at_program_bound: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: UInt32
-  algebra: UInt32
-  bound: StaticBoundFact(BoundedInterval {
-    lower: 0
-    width: PositiveWidth(UnitCount { units: 4294967295 })
-  })
-  type_realization: rust_u32
-}
-
-data rust_integer_inhabit_i32_at_program_bound: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: Int32
-  algebra: Int32
-  bound: StaticBoundFact(BoundedInterval {
-    lower: -2147483648
-    width: PositiveWidth(UnitCount { units: 4294967295 })
-  })
-  type_realization: rust_i32
-}
-
-data rust_integer_inhabit_i32_bound_unspecified: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: Int32
-  algebra: Int32
-  bound: BoundUnspecified
-  type_realization: rust_i32
-}
-
-data rust_integer_inhabit_int64_bound_unspecified: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: Int
-  algebra: Int
-  bound: BoundUnspecified
-  type_realization: rust_int
-}
-
-data rust_integer_inhabit_i128_bound_unspecified: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: Int128
-  algebra: Int128
-  bound: BoundUnspecified
-  type_realization: rust_i128
-}
-
-// R3 Phase B (Director Path A RATIFIED at gunbc#1739 #issuecomment-4392731264;
-// Option (ii) confirmed at gunbc#1761 #issuecomment-4393145631): u128
-// inhabitance row consuming Phase A's BigInt-widened ExactInterval. The
-// `BoundUnspecified` shape mirrors the i128 row above; static interval
-// bound facts on u128 lower through the BigInt-backed
-// `IntervalInt::ExactInterval` once narrowing consumers exercise them.
-data rust_integer_inhabit_u128_bound_unspecified: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: UInt128
-  algebra: UInt128
-  bound: BoundUnspecified
-  type_realization: rust_u128
-}
-
-// R3 IntPlatform / UIntPlatform follow-on rows. `bound: PlatformDependentFact`
-// per Q3 ratification — pointer width is target-resolved at Grounding emit
-// time, NOT a static interval at substrate-load time. `feedback_target_agnostic_ir`:
-// substrate stays target-agnostic; per-target width (Rust 32-bit vs 64-bit
-// pointer) lands at Grounding lowering.
-data rust_integer_inhabit_isize_platform: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: IntPlatform
-  algebra: IntPlatform
-  bound: PlatformDependentFact
-  type_realization: rust_isize
-}
-
-data rust_integer_inhabit_usize_platform: TargetIntegerTypeInhabitance = {
-  language: rust_language
-  kernel_integer: UIntPlatform
-  algebra: UIntPlatform
-  bound: PlatformDependentFact
-  type_realization: rust_usize
-}
-
-data rust_bool: TypeRealization = {
-  language: rust_language
-  target: Bool
-  carrier: "bool"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_string: TypeRealization = {
-  language: rust_language
-  target: String
-  carrier: "String"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_node_id: TypeRealization = {
-  language: rust_language
-  target: NodeId
-  carrier: "NodeId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_port_id: TypeRealization = {
-  language: rust_language
-  target: PortId
-  carrier: "PortId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_declaration_id: TypeRealization = {
-  language: rust_language
-  target: DeclarationId
-  carrier: "DeclarationId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_cluster_id: TypeRealization = {
-  language: rust_language
-  target: ClusterId
-  carrier: "ClusterId"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_type_shape: TypeRealization = {
-  language: rust_language
-  target: TypeShape
-  carrier: "TypeShape"
-  is_copy: false
-  fields: [
-    { dag_name: "declaration", access: DirectField("declaration"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_port_state: TypeRealization = {
-  language: rust_language
-  target: PortState
-  carrier: "PortState"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_port: TypeRealization = {
-  language: rust_language
-  target: DagPort
-  carrier: "Port"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: AccessorMethod("id"), borrowed_read: false },
-    { dag_name: "state", access: AccessorMethod("state_value"), borrowed_read: false },
-    { dag_name: "produced_by", access: DirectField("produced_by"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_source_span: TypeRealization = {
-  language: rust_language
-  target: SourceSpan
-  carrier: "SourceSpan"
-  is_copy: false
-  fields: [
-    { dag_name: "file", access: DirectField("file"), borrowed_read: false },
-    { dag_name: "start", access: DirectField("byte_start"), borrowed_read: false },
-    { dag_name: "end", access: DirectField("byte_end"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_literal_bits: TypeRealization = {
-  language: rust_language
-  target: LiteralBits
-  carrier: "LiteralBits"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_atom_payload: TypeRealization = {
-  language: rust_language
-  target: AtomPayload
-  carrier: "AtomPayload"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_cardinality_bound: TypeRealization = {
-  language: rust_language
-  target: CardinalityBound
-  carrier: "CardinalityBound"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_interval: TypeRealization = {
-  language: rust_language
-  target: Interval
-  carrier: "Interval"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_positive_interval_width: TypeRealization = {
-  language: rust_language
-  target: PositiveIntervalWidth
-  carrier: "PositiveIntervalWidth"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_interval_width: TypeRealization = {
-  language: rust_language
-  target: IntervalWidth
-  carrier: "IntervalWidth"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_conj_field: TypeRealization = {
-  language: rust_language
-  target: ConjField
-  carrier: "Field"
-  is_copy: false
-  fields: [
-    { dag_name: "label", access: DirectField("label"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_template_argument: TypeRealization = {
-  language: rust_language
-  target: TemplateArgument
-  carrier: "TemplateArgument"
-  is_copy: false
-  fields: [
-    { dag_name: "parameter", access: DirectField("parameter"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_phantom_parameter: TypeRealization = {
-  language: rust_language
-  target: PhantomParameter
-  carrier: "PhantomParameter"
-  is_copy: false
-  fields: [
-    { dag_name: "parameter", access: DirectField("parameter"), borrowed_read: false },
-    { dag_name: "algebra", access: DirectField("algebra"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_nominal_opacity: TypeRealization = {
-  language: rust_language
-  target: NominalOpacity
-  carrier: "NominalOpacity"
-  is_copy: false
-  fields: [
-    { dag_name: "permitted_accessors", access: DirectField("permitted_accessors"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_field_entry: TypeRealization = {
-  language: rust_language
-  target: FieldEntry
-  carrier: "(String, FieldValue)"
-  is_copy: false
-  fields: [
-    { dag_name: "label", access: DirectField("0"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("1"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_non_empty_list: TypeRealization = {
-  language: rust_language
-  target: NonEmptyList
-  carrier: "NonEmptyList"
-  is_copy: false
-  fields: [
-    { dag_name: "first", access: DirectField("first"), borrowed_read: false },
-    { dag_name: "rest", access: DirectField("rest"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_non_singleton_list: TypeRealization = {
-  language: rust_language
-  target: NonSingletonList
-  carrier: "NonSingletonList"
-  is_copy: false
-  fields: [
-    { dag_name: "first", access: DirectField("first"), borrowed_read: false },
-    { dag_name: "second", access: DirectField("second"), borrowed_read: false },
-    { dag_name: "rest", access: DirectField("rest"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_element_ref: TypeRealization = {
-  language: rust_language
-  target: ElementRef
-  carrier: "ElementRef"
-  is_copy: true
-  fields: [
-    { dag_name: "index", access: AccessorMethod("index_of"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_param_ref: TypeRealization = {
-  language: rust_language
-  target: ParamRef
-  carrier: "ParamRef"
-  is_copy: true
-  fields: [
-    { dag_name: "member", access: AccessorMethod("member_of"), borrowed_read: false },
-    { dag_name: "slot", access: AccessorMethod("slot_of"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_transform_ref: TypeRealization = {
-  language: rust_language
-  target: TransformRef
-  carrier: "TransformRef"
-  is_copy: true
-  fields: [
-    { dag_name: "node", access: AccessorMethod("node_id"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_member_descent: TypeRealization = {
-  language: rust_language
-  target: MemberDescent
-  carrier: "MemberDescent"
-  is_copy: false
-  fields: [
-    { dag_name: "param", access: DirectField("param"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_intra_cluster_call: TypeRealization = {
-  language: rust_language
-  target: IntraClusterCall
-  carrier: "IntraClusterCall"
-  is_copy: false
-  fields: [
-    { dag_name: "transform", access: DirectField("transform"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_cluster: TypeRealization = {
-  language: rust_language
-  target: Cluster
-  carrier: "Cluster"
-  is_copy: false
-  fields: [
-    { dag_name: "members", access: DirectField("members"), borrowed_read: false },
-    { dag_name: "intra_cluster_calls", access: DirectField("intra_cluster_calls"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_field_value: TypeRealization = {
-  language: rust_language
-  target: FieldValue
-  carrier: "FieldValue"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_value_body: TypeRealization = {
-  language: rust_language
-  target: ValueBody
-  carrier: "ValueBody"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_arrow_body: TypeRealization = {
-  language: rust_language
-  target: ArrowBody
-  carrier: "ArrowBody"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_type_connective: TypeRealization = {
-  language: rust_language
-  target: TypeConnective
-  carrier: "TypeConnective"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_declaration: TypeRealization = {
-  language: rust_language
-  target: Declaration
-  carrier: "Declaration"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "connective", access: DirectField("connective"), borrowed_read: false },
-    { dag_name: "type_params", access: DirectField("type_params"), borrowed_read: false },
-    { dag_name: "phantom_params", access: DirectField("phantom_params"), borrowed_read: false },
-    { dag_name: "meta_tag", access: DirectField("meta_tag"), borrowed_read: false },
-    { dag_name: "inhabits", access: DirectField("inhabits"), borrowed_read: false },
-    { dag_name: "value_body", access: DirectField("value_body"), borrowed_read: false },
-    { dag_name: "nominal_opacity", access: DirectField("nominal_opacity"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_arithmetic_op: TypeRealization = {
-  language: rust_language
-  target: ArithmeticOp
-  carrier: "ArithmeticOp"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_comparison_op: TypeRealization = {
-  language: rust_language
-  target: ComparisonOp
-  carrier: "ComparisonOp"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_logical_op: TypeRealization = {
-  language: rust_language
-  target: LogicalOp
-  carrier: "LogicalOp"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_operator_kind: TypeRealization = {
-  language: rust_language
-  target: OperatorKind
-  carrier: "OperatorKind"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_transform_target: TypeRealization = {
-  language: rust_language
-  target: TransformTarget
-  carrier: "TransformTarget"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_branch_pattern: TypeRealization = {
-  language: rust_language
-  target: BranchPattern
-  carrier: "BranchPattern"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_payload_binding: TypeRealization = {
-  language: rust_language
-  target: PayloadBinding
-  carrier: "PayloadBinding"
-  is_copy: false
-  fields: [
-    { dag_name: "binding_name", access: DirectField("binding_name"), borrowed_read: false },
-    { dag_name: "payload_port", access: DirectField("payload_port"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_branch_path: TypeRealization = {
-  language: rust_language
-  target: BranchPath
-  carrier: "Path"
-  is_copy: false
-  fields: [
-    { dag_name: "body", access: DirectField("body"), borrowed_read: false },
-    { dag_name: "result_port", access: AccessorMethod("result_port"), borrowed_read: false },
-    { dag_name: "pattern", access: DirectField("pattern"), borrowed_read: false },
-    { dag_name: "binding", access: DirectField("binding"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_key_source: TypeRealization = {
-  language: rust_language
-  target: KeySource
-  carrier: "KeySource"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_idempotent_shape: TypeRealization = {
-  language: rust_language
-  target: IdempotentShape
-  carrier: "IdempotentShape"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_effect_shape: TypeRealization = {
-  language: rust_language
-  target: EffectShape
-  carrier: "EffectShape"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_composition_verdict: TypeRealization = {
-  language: rust_language
-  target: CompositionVerdict
-  carrier: "CompositionVerdict"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_workflow_effect: TypeRealization = {
-  language: rust_language
-  target: WorkflowEffect
-  carrier: "WorkflowEffect"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_parallelism_unsupported_kind: TypeRealization = {
-  language: rust_language
-  target: ParallelismUnsupportedKind
-  carrier: "ParallelismUnsupportedKind"
-  is_copy: true
-  fields: []
-  cost: 1
-}
-
-data rust_workflow_parallelism_report: TypeRealization = {
-  language: rust_language
-  target: WorkflowParallelismReport
-  carrier: "WorkflowParallelismReport"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_loop_bound: TypeRealization = {
-  language: rust_language
-  target: LoopBound
-  carrier: "LoopBound"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_value_node: TypeRealization = {
-  language: rust_language
-  target: ValueNode
-  carrier: "ValueNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "payload", access: DirectField("data"), borrowed_read: false },
-    { dag_name: "result_port", access: AccessorMethod("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false },
-    // `WorkflowEffect?` — use `lane2_workflow()` so realization is
-    // `Option<&WorkflowEffect>`, not raw `Option<Box<WorkflowEffect>>`
-    // (INVARIANTS.md "Explicit boundary contracts").
-    { dag_name: "lane2_workflow", access: AccessorMethod("lane2_workflow"), borrowed_read: true }
-  ]
-  cost: 1
-}
-
-data rust_transform_node: TypeRealization = {
-  language: rust_language
-  target: TransformNode
-  carrier: "TransformNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "target", access: DirectField("target"), borrowed_read: false },
-    { dag_name: "inputs", access: DirectField("inputs"), borrowed_read: false },
-    { dag_name: "result_port", access: AccessorMethod("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_branch_node: TypeRealization = {
-  language: rust_language
-  target: BranchNode
-  carrier: "BranchNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "input", access: DirectField("input"), borrowed_read: false },
-    { dag_name: "paths", access: DirectField("paths"), borrowed_read: false },
-    { dag_name: "result_port", access: AccessorMethod("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false },
-    { dag_name: "emit_participation", access: AccessorMethod("emit_participation"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_loop_node: TypeRealization = {
-  language: rust_language
-  target: LoopNode
-  carrier: "LoopNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "source", access: DirectField("source"), borrowed_read: false },
-    { dag_name: "init", access: DirectField("init"), borrowed_read: false },
-    { dag_name: "body", access: DirectField("body"), borrowed_read: false },
-    { dag_name: "bound", access: DirectField("bound"), borrowed_read: false },
-    { dag_name: "result_port", access: AccessorMethod("result_port"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_bind_node: TypeRealization = {
-  language: rust_language
-  target: BindNode
-  carrier: "BindNode"
-  is_copy: false
-  fields: [
-    { dag_name: "id", access: DirectField("id"), borrowed_read: false },
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "result_port", access: AccessorMethod("result_port"), borrowed_read: false },
-    { dag_name: "params", access: DirectField("params"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false },
-    { dag_name: "lane2_workflow", access: AccessorMethod("lane2_workflow"), borrowed_read: true },
-    { dag_name: "emit_participation", access: AccessorMethod("emit_participation"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_behavior: TypeRealization = {
-  language: rust_language
-  target: Behavior
-  carrier: "Behavior"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_dag: TypeRealization = {
-  language: rust_language
-  target: Dag
-  carrier: "Dag"
-  is_copy: false
-  fields: [
-    { dag_name: "declarations", access: AccessorMethod("declarations"), borrowed_read: true },
-    { dag_name: "nodes", access: AccessorMethod("nodes"), borrowed_read: true },
-    { dag_name: "ports", access: AccessorMethod("ports"), borrowed_read: false },
-    { dag_name: "clusters", access: AccessorMethod("clusters"), borrowed_read: true }
-  ]
-  cost: 1
-}
-
-// SG-3f — parse-surface reflection carriers. These realizations make
-// the reflected Surface* schema consumable from Rust-target `.dag`
-// code without re-declaring the parser AST shape in handwritten Rust.
-data rust_surface_module: TypeRealization = {
-  language: rust_language
-  target: SurfaceModule
-  carrier: "parse_surface::SurfaceModule"
-  is_copy: false
-  fields: [
-    { dag_name: "items", access: DirectField("items"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_surface_item: TypeRealization = {
-  language: rust_language
-  target: SurfaceItem
-  carrier: "parse_surface::SurfaceItem"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_surface_param: TypeRealization = {
-  language: rust_language
-  target: SurfaceParam
-  carrier: "parse_surface::SurfaceParam"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false },
-    { dag_name: "refinement", access: DirectField("refinement"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_surface_field: TypeRealization = {
-  language: rust_language
-  target: SurfaceField
-  carrier: "parse_surface::SurfaceField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "ty", access: DirectField("ty"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_surface_variant: TypeRealization = {
-  language: rust_language
-  target: SurfaceVariant
-  carrier: "parse_surface::SurfaceVariant"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "payload", access: DirectField("payload"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_variant_payload: TypeRealization = {
-  language: rust_language
-  target: VariantPayload
-  carrier: "parse_surface::VariantPayload"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_surface_type: TypeRealization = {
-  language: rust_language
-  target: SurfaceType
-  carrier: "parse_surface::SurfaceType"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_surface_record_field: TypeRealization = {
-  language: rust_language
-  target: SurfaceRecordField
-  carrier: "parse_surface::SurfaceRecordField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_surface_map_entry: TypeRealization = {
-  language: rust_language
-  target: SurfaceMapEntry
-  carrier: "parse_surface::SurfaceMapEntry"
-  is_copy: false
-  fields: [
-    { dag_name: "key", access: DirectField("key"), borrowed_read: false },
-    { dag_name: "key_span", access: DirectField("key_span"), borrowed_read: false },
-    { dag_name: "value", access: DirectField("value"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_surface_match_arm: TypeRealization = {
-  language: rust_language
-  target: SurfaceMatchArm
-  carrier: "parse_surface::SurfaceMatchArm"
-  is_copy: false
-  fields: [
-    { dag_name: "pattern", access: DirectField("pattern"), borrowed_read: false },
-    { dag_name: "body", access: DirectField("body"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_surface_pattern_field: TypeRealization = {
-  language: rust_language
-  target: SurfacePatternField
-  carrier: "parse_surface::SurfacePatternField"
-  is_copy: false
-  fields: [
-    { dag_name: "name", access: DirectField("name"), borrowed_read: false },
-    { dag_name: "binding", access: DirectField("binding"), borrowed_read: false },
-    { dag_name: "span", access: DirectField("span"), borrowed_read: false }
-  ]
-  cost: 1
-}
-
-data rust_surface_pattern: TypeRealization = {
-  language: rust_language
-  target: SurfacePattern
-  carrier: "parse_surface::SurfacePattern"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_surface_literal: TypeRealization = {
-  language: rust_language
-  target: SurfaceLiteral
-  carrier: "parse_surface::SurfaceLiteral"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-data rust_surface_expr: TypeRealization = {
-  language: rust_language
-  target: SurfaceExpr
-  carrier: "parse_surface::SurfaceExpr"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-// ─────────────────────────────────────────────────────────────────
-// Operator realizations — arithmetic on Int.
-// ─────────────────────────────────────────────────────────────────
-//
-// `op` references the algebra field declaration via dotted path:
-// `OrderedRing.add` resolves at lower time to the child
-// declaration of OrderedRing's Conj whose label is "add". The
-// emitter looks up by the (operand_type_decl, algebra_field_decl)
-// pair built from the Transform's input port type and the
-// OperatorKind's algebra field name resolved against the operand
-// type's algebra chain.
-
-data rust_int_add: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.add
-  carrier: "({lhs} + {rhs})"
-  cost: 1
-}
-
-data rust_int_sub: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.sub
-  carrier: "({lhs} - {rhs})"
-  cost: 1
-}
-
-data rust_int_mul: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.mul
-  carrier: "({lhs} * {rhs})"
-  cost: 1
-}
-
-data rust_int_div: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.div
-  carrier: "(__v3_int_div({lhs}, {rhs}))"
-  cost: 1
-}
-
-// ─────────────────────────────────────────────────────────────────
-// Operator realizations — comparisons on Int.
-// ─────────────────────────────────────────────────────────────────
-
-data rust_int_eq: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data rust_node_id_eq: OperatorRealization = {
-  language: rust_language
-  target: NodeId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data rust_port_id_eq: OperatorRealization = {
-  language: rust_language
-  target: PortId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data rust_declaration_id_eq: OperatorRealization = {
-  language: rust_language
-  target: DeclarationId
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-// String inhabits FreeMonoid (no direct `eq` field); equality uses the same
-// canonical OrderedRing.eq arrow that `algebra_field_for_operator` selects
-// after the monoid walk misses `eq`.
-data rust_string_eq: OperatorRealization = {
-  language: rust_language
-  target: String
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-// Equality on `FreeMonoid` inhabitants (e.g. `String` / `List` element
-// comparisons after the monoid witness walk) — same Rust surface as
-// `rust_string_eq` / `rust_int_eq`.
-data rust_free_monoid_eq: OperatorRealization = {
-  language: rust_language
-  target: FreeMonoid
-  op: OrderedRing.eq
-  carrier: "({lhs} == {rhs})"
-  cost: 1
-}
-
-data rust_int_ne: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data rust_node_id_ne: OperatorRealization = {
-  language: rust_language
-  target: NodeId
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data rust_port_id_ne: OperatorRealization = {
-  language: rust_language
-  target: PortId
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data rust_declaration_id_ne: OperatorRealization = {
-  language: rust_language
-  target: DeclarationId
-  op: OrderedRing.ne
-  carrier: "({lhs} != {rhs})"
-  cost: 1
-}
-
-data rust_int_lt: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.lt
-  carrier: "({lhs} < {rhs})"
-  cost: 1
-}
-
-data rust_int_le: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.le
-  carrier: "({lhs} <= {rhs})"
-  cost: 1
-}
-
-data rust_int_gt: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.gt
-  carrier: "({lhs} > {rhs})"
-  cost: 1
-}
-
-data rust_int_ge: OperatorRealization = {
-  language: rust_language
-  target: Int
-  op: OrderedRing.ge
-  carrier: "({lhs} >= {rhs})"
-  cost: 1
-}
-
-data rust_bool_meet: OperatorRealization = {
-  language: rust_language
-  target: Bool
-  op: BooleanAlgebra.meet
-  carrier: "({lhs} && {rhs})"
-  cost: 1
-}
-
-data rust_bool_join: OperatorRealization = {
-  language: rust_language
-  target: Bool
-  op: BooleanAlgebra.join
-  carrier: "({lhs} || {rhs})"
-  cost: 1
-}
-
-// Bool logical rows key the substrate `Bool` declaration; emit resolves
-// operator carriers via `operator_carrier_realization`: strip refinements
-// (DB-11 mirror), try the surface key, then peeled empty-alias instantiations
-// (e.g. `type MyBool = Bool`) when earlier keys miss.
-
-// ─────────────────────────────────────────────────────────────────
-// Behavior template realizations — substrate-shaped emissions.
-// ─────────────────────────────────────────────────────────────────
-
-data rust_let_stmt: BehaviorRealization = {
-  language: rust_language
-  target: Bind
-  carrier: "let {name}: {type} = {value};"
-  cost: 0
-}
-
-data rust_if_expr: BehaviorRealization = {
-  language: rust_language
-  target: Branch
-  carrier: "if {cond} { {then} } else { {else} }"
-  cost: 0
-}
-
-data rust_main_wrap: BehaviorRealization = {
-  language: rust_language
-  target: Main
-  carrier: "fn main() { {body} println!({quote}{{}}{quote}, {final}); }"
-  cost: 0
-}
-
-// ─────────────────────────────────────────────────────────────────
-// Callable realizations — staged std.list helpers.
-// ─────────────────────────────────────────────────────────────────
-//
-// First-class surface function types (`fn(A) -> B`, lowered as
-// `TypeConnective::Arrow` with `ArrowBody::NoBody`) are **not** a single
-// `TypeRealization` row: the Rust emitter chooses the carrier by **position**
-// (`ArrowRustEmitPolicy` in `emit/rust_target.rs`):
-//   - user `fn` parameters → `impl Fn(A) -> B + Clone` (PR #650);
-//   - struct fields / `List` / `Map` / `Optional` / top-level `let` / inferred
-//     return → `std::rc::Rc<dyn Fn(A) -> B>`;
-//   - any other type-name context → fail closed (`UnsupportedBehavior`) until a
-//     realization-backed path exists here.
-//
-// **Derive split (blocking #676 api-review):** `dyn Fn` does not implement
-// `Debug`, so user `struct` / `enum` definitions that (transitively) carry
-// first-class `fn` storage use `rust_language.record_derive_templates`
-// (`data rust_record_derive_templates`, `#[derive(Clone)]` only); see
-// `emit/rust_target.rs`.
-
-data rust_empty_callable: CallableRealization = {
-  language: rust_language
-  target: empty
-  strategy: ListEmpty
-  parameters: []
-  cost: 1
-}
-
-data rust_singleton_callable: CallableRealization = {
-  language: rust_language
-  target: singleton
-  strategy: ListSingleton
-  parameters: [
-    { slot: 0, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data rust_cons_callable: CallableRealization = {
-  language: rust_language
-  target: cons
-  strategy: ListCons
-  parameters: [
-    { slot: 0, disposition: Consumed },
-    { slot: 1, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data rust_concat_callable: CallableRealization = {
-  language: rust_language
-  target: concat
-  strategy: ListConcat
-  parameters: [
-    { slot: 0, disposition: Consumed },
-    { slot: 1, disposition: Consumed }
-  ]
-  cost: 1
-}
-
-data rust_length_callable: CallableRealization = {
-  language: rust_language
-  target: length
-  strategy: ListLength
-  parameters: [
-    { slot: 0, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data rust_list_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: List
-  carrier: "Vec<{element}>"
-  cost: 1
-}
-
-// `NonSingletonList<element>` (`substrate_minimal`) — mirrors
-// `python_non_singleton_list_instantiation`; required when a lens module
-// names `NonSingletonList<T>` in function signatures (e.g. Stage 2e
-// `parallelism.dag` extracting parallel branches).
-data rust_non_singleton_list_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: NonSingletonList
-  carrier: "NonSingletonList<{element}>"
-  cost: 1
-}
-
-// `type Result<ok, err> = Ok { value: ok } | Err { value: err }` in
-// `dsl/std/error_primitives.dag` is a type-checking authority; Rust materializes
-// it as the standard `::core::result::Result<…>` (see
-// `emit_rust_with_mode` which skips generic `Result` in type_defs).
-data rust_result_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: Result
-  carrier: "::core::result::Result<{key}, {value}>"
-  cost: 1
-}
-
-data rust_lookup_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: Lookup
-  carrier: "Lookup<{element}>"
-  cost: 1
-}
-
-data rust_witness_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: Witness
-  carrier: "Witness<{element}>"
-  cost: 1
-}
-
-data rust_lens_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: Lens
-  carrier: "Lens<{element}>"
-  cost: 1
-}
-
-data rust_monoid_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: Monoid
-  carrier: "Monoid<{element}>"
-  cost: 1
-}
-
-data rust_lens_enforcement_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: LensEnforcement
-  carrier: "LensEnforcement<{key}, {value}, {extra}>"
-  cost: 1
-}
-
-data rust_enforceable_lens_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: EnforceableLens
-  carrier: "EnforceableLens<{key}, {value}, {extra}>"
-  cost: 1
-}
-
-data rust_map_instantiation: TypeInstantiationRealization = {
-  language: rust_language
-  target: Map
-  carrier: "HashMap<{key}, {value}>"
-  cost: 1
-}
-
-data rust_is_empty_callable: CallableRealization = {
-  language: rust_language
-  target: is_empty
-  strategy: ListIsEmpty
-  parameters: [
-    { slot: 0, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data rust_fold_callable: CallableRealization = {
-  language: rust_language
-  target: fold
-  strategy: ListFold
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Consumed },
-    { slot: 2, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data rust_map_callable: CallableRealization = {
-  language: rust_language
-  target: map
-  strategy: ListMap
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data rust_filter_callable: CallableRealization = {
-  language: rust_language
-  target: filter
-  strategy: ListFilter
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-data rust_contains_callable: CallableRealization = {
-  language: rust_language
-  target: contains
-  strategy: ListContains
-  parameters: [
-    { slot: 0, disposition: Borrowed },
-    { slot: 1, disposition: Borrowed }
-  ]
-  cost: 1
-}
-
-// List structural-sum (`Empty`/`Cons`) → carrier patterns. `strategy` is the
-// pattern-role tag (validated at emitter load); templates below are the
-// emission bundle — no strategy dispatch in emitters post Stage 1e.0.
-data rust_list_pattern: PatternRealization = {
-  language: rust_language
-  target: List
-  strategy: VectorList
-  empty_variant: List.Empty
-  cons_variant: List.Cons
-  scrutinee: "{expr}"
-  empty_pattern: "[]"
-  cons_pattern: "[{head}, {tail} @ ..]"
-  head_expr: "{head}"
-  tail_expr: "{tail}"
-  cost: 1
-}
-
-data rust_statements: StatementSyntax = {
-  let_binding: "let {name}: {type} = {value};"
-  let_binding_inferred: "let {name} = {value};"
-}
-
-data rust_expressions: ExpressionSyntax = {
-  field_access: "({object}).{field}"
-  function_call: "{func}({args})"
-  closure: "|{params}| {{ {body} }}"
-}
-
-data rust_control_flow: ControlFlowSyntax = {
-  if_else: "if {cond} { {then} } else { {else} }"
-  match_arm: "{pattern} => {body},"
-  for_each_syntax: { prefix: "for ", separator: " in " }
-}
-
-data rust_literals: LiteralSyntax = {
-  true_keyword: "true"
-  false_keyword: "false"
-  string_delimiter: "%Q"
-}
-
-data rust_modules: ModuleSyntax = {
-  path_separator: "::"
-}
-
-data rust_functions: FunctionSyntax = {
-  definition: "fn {name}({params}) -> {ret} { {body} }"
-  definition_exported: "pub fn {name}({params}) -> {ret} { {body} }"
-  definition_void: "fn {name}({params}) { {body} }"
-  param_with_type: "{name}: {type}"
-  param_separator: ", "
-}
-
-data rust_type_applications: TypeApplicationSyntax = {
-  optional: "Option<{element}>"
-}
-
-data rust_type_defs: TypeDefinitionSyntax = {
-  struct_def: "#[derive(Clone, Debug)]\npub struct {name} { {fields} }"
-  struct_field: "pub {name}: {type},"
-  enum_def: "#[derive(Clone, Debug)]\npub enum {name} { {variants} }"
-  enum_unit_variant: "{name},"
-  enum_data_variant: "{name} { {fields} },"
-}
-
-data rust_record_derive_templates: RecordDeriveTemplateBundle = {
-  struct_def_no_debug: "#[derive(Clone)]\npub struct {name} { {fields} }"
-  enum_def_no_debug: "#[derive(Clone)]\npub enum {name} { {variants} }"
-}
-
-data rust_patterns: PatternMatchSyntax = {
-  match_expr: "match {expr} { {arms} }"
-  match_arm: "{pattern} => {body},"
-  variant_pattern: "{name} {{ {bindings} }}"
-  variant_pattern_positional: "{name}({binding})"
-  variant_pattern_empty: "{name}"
-  field_binding: "{field}: {binding}"
-  field_binding_separator: ", "
-  wildcard: "_"
-}
-
-data rust_language_spec_free_monoid_concat_contract: MethodTemplateContract = {
-  dag_method: { decl: concat_method },
-  runtime_template: "{ let mut __left = {left}; __left.extend({right}); __left }",
-  emit_template: SingleTemplate { template: "{ let mut __left = {left}; __left.extend({right}); __left }" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data rust_language_spec_free_monoid_length_contract: MethodTemplateContract = {
-  dag_method: { decl: length_method },
-  runtime_template: "({recv}).len() as i64",
-  emit_template: SingleTemplate { template: "({recv}).len() as i64" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-// `FreeMonoid<T>.is_empty` → `Bool` (declared on the algebra record); templates
-// use target-native emptiness sugar (Rust `.is_empty()`, Python/Go `len(...) == 0`).
-data rust_language_spec_free_monoid_emptiness_contract: MethodTemplateContract = {
-  dag_method: { decl: is_empty_method },
-  runtime_template: "({recv}).is_empty()",
-  emit_template: SingleTemplate { template: "({recv}).is_empty()" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data rust_language_spec_free_monoid_fold_contract: MethodTemplateContract = {
-  dag_method: { decl: fold_method },
-  runtime_template: "({recv}).iter().fold({init}, {body})",
-  emit_template: SingleTemplate { template: "({recv}).iter().fold({init}, {body})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data rust_language_spec_map_contract: MethodTemplateContract = {
-  dag_method: { decl: map_method },
-  runtime_template: "({recv}).iter().map({body}).collect::<Vec<_>>()",
-  emit_template: SingleTemplate { template: "({recv}).iter().map({body}).collect::<Vec<_>>()" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data rust_collection_ops: CollectionOps = {
-  concat_contract: rust_language_spec_free_monoid_concat_contract
-  length_contract: rust_language_spec_free_monoid_length_contract
-  is_empty_contract: rust_language_spec_free_monoid_emptiness_contract
-  fold_contract: rust_language_spec_free_monoid_fold_contract
-  filter_contract: rust_filter_method_template_contract
-  flat_map_contract: rust_flat_map_method_template_contract
-  any_contract: rust_any_method_template_contract
-  all_contract: rust_all_method_template_contract
-  map_contract: rust_language_spec_map_contract
-  filter: "{ let mut __out = Vec::new(); for {item} in ({recv}).iter() { if {predicate} { __out.push({item_push}); } } __out }"
-  contains: "({recv}).contains({item})"
-  empty_list: "Vec::new()"
-  list_literal: "vec![{elements}]"
-  cons: "{ let mut __list = {tail}; __list.insert(0, {head}); __list }"
-}
-
-data rust_value_construction: ValueConstructionSyntax = {
-  struct_literal: "{type} {{ {fields} }}"
-  struct_field_init: "{name}: {value}"
-  struct_field_separator: ", "
-  variant_construction: "{variant}({args})"
-  variant_named_construction: "{variant} {{ {fields} }}"
-}
-
-data rust_rendering: RenderingModel = {
-  read: Borrow
-  construct: CopyOrClone
-}
-
-data rust_language: LanguageSpec = {
-  statements: rust_statements
-  expressions: rust_expressions
-  control_flow: rust_control_flow
-  literals: rust_literals
-  modules: rust_modules
-  functions: rust_functions
-  type_applications: rust_type_applications
-  type_definitions: rust_type_defs
-  record_derive_templates: rust_record_derive_templates
-  patterns: rust_patterns
-  collection_ops: rust_collection_ops
-  values: rust_value_construction
-}
-
-// ─────────────────────────────────────────────────────────────────
-// Clean-emission contract (E-5 / Lane 1 Stage 1c).
-// ─────────────────────────────────────────────────────────────────
-//
-// Per-target rule choices for the E-5 invariant. Emitters read this
-// contract to shape emitted code so it passes `rustc -D warnings`
-// by construction. See `docs/design-clean-emission-contract.md`
-// (DB-4) for the full contract shape and `INVARIANTS.md §E-5` for
-// the "no escape hatches" commitment.
-//
-// **Dispatch state at this PR (Lane 1 Stage 1c PR 1):**
-// - `pattern_bindings` is LIVE — `emit_rust::render_branch_pattern`
-//   dispatches on it for the unused-payload-binding pilot.
-// - `variant_payload_field_access` is LIVE — `emit_rust` routes
-//   named variant-payload field reads through match-site field
-//   bindings because Rust cannot hold anonymous struct-variant
-//   payloads as first-class values.
-// - Every other field is authored-but-unread. Each field has a
-//   named rollout: the emitter change that consumes it removes
-//   the corresponding lint from the test-wrapper allow list in
-//   the same PR (Lane 1d/1e consolidation).
-
-data rust_correction_style: CorrectionStyle = {
-  indent_unit: "    "
-  line_ending: "\n"
-  string_quote: "%Q"
-  trailing_semicolon: true
-}
-
-data rust_clean_emission: CleanEmissionContract = {
-  expression_wrapping: WrapOnlyInOperandPosition
-  pattern_bindings: EmitUnderscoreWhenUnused
-  variant_payload_field_access: OverrideNamedFieldsAtBindingSite
-  imports: IncludeOnlyReferenced
-  block_return: NoWrappingOnTerminalExpression
-  variable_bindings: EmitLetUnderscoreWhenUnused
-  match_arm_body: NoWrappingOnNonComplexBody
-  correction_style: rust_correction_style
-  post_emit_verifier: {
-    command: "rustc"
-    args: ["--edition=2021", "-D", "warnings"]
-    syntax_only: false
-    expected_exit_code: 0
-    output_policy: IgnoreVerifierOutput
-  }
-}
-
-data rust_clean_emission_binding: TargetCleanEmissionBinding = {
-  language: rust_language
-  clean_emission: rust_clean_emission
-}
-
-// ─────────────────────────────────────────────────────────────────
-// DB-14 substrate accessor realizations (Rust target).
-// ─────────────────────────────────────────────────────────────────
-//
-// Each accessor's Rust implementation is a method on `Dag` declared
-// in `src/v3/compiler/src/dag.rs`. The carrier templates below are
-// substituted per call-site by `emit_rust::render_substrate_accessor`,
-// which looks the accessor up in a per-target index built from the
-// `SubstrateAccessorBinding` records below (filtered by
-// `language == rust_language`). Go/Python land when those emitters
-// register their own bindings.
-//
-// Placeholder convention: `{pN}` is the N-th input expression at the
-// call-site. The emitter substitutes them positionally so carriers
-// stay independent of the accessor fn's source-level param names.
-
-data rust_port_accessor: SubstrateAccessorRealization = {
-  carrier: "({p0}).port_opt({p1}).cloned()"
-}
-
-data rust_node_accessor: SubstrateAccessorRealization = {
-  carrier: "({p0}).node_opt({p1}).cloned()"
-}
-
-data rust_resolve_producer_accessor: SubstrateAccessorRealization = {
-  carrier: "({p0}).resolve_producer_opt({p1}).cloned()"
-}
-
-data port_binding_rust: SubstrateAccessorBinding = {
-  accessor: port
-  realization: rust_port_accessor
-  language: rust_language
-}
-
-data node_binding_rust: SubstrateAccessorBinding = {
-  accessor: node
-  realization: rust_node_accessor
-  language: rust_language
-}
-
-data resolve_producer_binding_rust: SubstrateAccessorBinding = {
-  accessor: resolve_producer
-  realization: rust_resolve_producer_accessor
-  language: rust_language
-}
-
-// `{p1}` is whatever `emit_rust` renders for the accessor’s second transform
-// input — for `lane2_workflow_at` that is the **borrow** of the workflow root
-// (`&NodeId`, same convention as `node_opt` / `port_opt`), not a by-value
-// `NodeId`. Emitted idempotency lens: `fn analyze_workflow(p0: &Dag, p1: &NodeId)`
-// → `(p0).lane2_workflow_effect_at(p1)` type-checks against
-// `lane2_workflow_effect_at(&self, root: &NodeId)`; see
-// `tests/m2_lens_idempotency_migration_test.rs` (rustc round-trip).
-data rust_lane2_workflow_accessor: SubstrateAccessorRealization = {
-  carrier: "({p0}).lane2_workflow_effect_at({p1}).cloned()"
-}
-
-data lane2_workflow_at_binding_rust: SubstrateAccessorBinding = {
-  accessor: lane2_workflow_at
-  realization: rust_lane2_workflow_accessor
-  language: rust_language
-}
-
-// Workflow-root accessor (Prereq-3a per `docs/design-lens-fold-prerequisites.md`).
-// Renders to `Dag::workflow_root_port` per the α implementation at
-// `src/v3/compiler/src/dag.rs`. The accessor takes only `&self`, so the
-// `({p0})` template is a single positional argument receiver; the result
-// is a `WorkflowRoot` value (no Optional wrapping; the carrier itself
-// partitions SingleRoot / NoRoot / AmbiguousRoot fail-closed).
-//
-// Landing this binding alongside the substrate accessor closes the
-// `substrate_accessor_universe` boundary for this slice — the
-// emitter can resolve any `.dag` consumer of `workflow_root_port`
-// without falling through to plain callable dispatch.
-data rust_workflow_root_port_accessor: SubstrateAccessorRealization = {
-  carrier: "({p0}).workflow_root_port()"
-}
-
-data workflow_root_port_binding_rust: SubstrateAccessorBinding = {
-  accessor: workflow_root_port
-  realization: rust_workflow_root_port_accessor
-  language: rust_language
-}
-
-// `WorkflowRoot` substrate sum mirror — emitted Rust matches over
-// `SingleRoot(PortId) | NoRoot | AmbiguousRoot { candidates }` need
-// the substrate-to-Rust carrier mapping so generated code preserves
-// the sum identity rather than rendering through a free name. The
-// Rust enum lives at `src/v3/compiler/src/dag.rs:1936-1941` and is
-// directly addressable as `WorkflowRoot` in the v3-compiler crate.
-data rust_workflow_root: TypeRealization = {
-  language: rust_language
-  target: WorkflowRoot
-  carrier: "WorkflowRoot"
-  is_copy: false
-  fields: []
-  cost: 1
-}
-
-// `declaration_by_id(d: Dag, id: DeclarationId) -> Declaration?` —
-// id-keyed parity with `port` / `node`. Host realization is
-// `Dag::declaration_opt(&DeclarationId)`; `.cloned()` mirrors the
-// `port` / `node` accessor shape so the reflected `Declaration?`
-// return type carries owned data at the substrate boundary.
-data rust_declaration_by_id_accessor: SubstrateAccessorRealization = {
-  carrier: "({p0}).declaration_opt({p1}).cloned()"
-}
-
-data declaration_by_id_binding_rust: SubstrateAccessorBinding = {
-  accessor: declaration_by_id
-  realization: rust_declaration_by_id_accessor
-  language: rust_language
-}
-
-// `declaration_by_name(d: Dag, name: String) -> Declaration?` —
-// name-keyed parity with `declaration_by_id`. Host realization is
-// `Dag::declaration_by_name(&str) -> Option<&Declaration>`; `&{p1}`
-// borrows the `String` arg as `&str`, `.cloned()` lifts the borrowed
-// `Declaration` into owned form mirroring `declaration_by_id`'s shape.
-data rust_declaration_by_name_accessor: SubstrateAccessorRealization = {
-  carrier: "({p0}).declaration_by_name({p1}).cloned()"
-}
-
-data declaration_by_name_binding_rust: SubstrateAccessorBinding = {
-  accessor: declaration_by_name
-  realization: rust_declaration_by_name_accessor
-  language: rust_language
-}
-
-// Per-call descent evidence query consumed by cost/complexity lenses.
-// `dag::per_call_pattern_at(&Dag, NodeId) -> Option<CallPattern>` takes
-// the call-site id by value, matching emitted transform input rendering.
-data rust_per_call_pattern_at_accessor: SubstrateAccessorRealization = {
-  carrier: "per_call_pattern_at({p0}, *{p1})"
-}
-
-data per_call_pattern_at_binding_rust: SubstrateAccessorBinding = {
-  accessor: per_call_pattern_at
-  realization: rust_per_call_pattern_at_accessor
-  language: rust_language
-}
-
-// `dag::per_call_descent_operand_port(&Dag, NodeId) -> Option<PortId>` — transform inputs are
-// taken from the `Transform` at `call_site` in the `Dag` (not caller-supplied lists).
-data rust_per_call_descent_operand_port_accessor: SubstrateAccessorRealization = {
-  carrier: "per_call_descent_operand_port({p0}, *{p1})"
-}
-
-data per_call_descent_operand_port_binding_rust: SubstrateAccessorBinding = {
-  accessor: per_call_descent_operand_port
-  realization: rust_per_call_descent_operand_port_accessor
-  language: rust_language
-}
diff --git a/src/v3/spec/v3_l1.dag b/src/v3/spec/v3_l1.dag
deleted file mode 100644
index e374c14aed2..00000000000
--- a/src/v3/spec/v3_l1.dag
+++ /dev/null
@@ -1,76 +0,0 @@
-// std/v3_l1.dag — substrate marker types for v3's L1 behaviors and
-// the meta-type sentinel `Declaration`.
-//
-// Two distinct purposes live in this file:
-//
-// 1. **L1 behavior markers.** Every Behavior variant in
-//    `src/v3/compiler/src/dag.rs` (Value, Transform, Branch, Loop,
-//    Bind as `Behavior` variants) plus the Main-wrapper concept needs
-//    structural **marker** types (e.g. `ValueBehavior`, not bare `Value`
-//    — PB-Runtime reserves `Value` for the runtime union carrier).
-//    that per-target language spec files can reference. Without
-//    these markers, target spec files would have to identify
-//    behaviors by string name (e.g. `target_name: "Bind"`), which
-//    pushes the dispatch keys into Rust strings on the emitter
-//    side. With markers, the spec files reference a typed
-//    Declaration, the lowerer resolves the reference to a
-//    DeclarationId, and the emitter uses that DeclarationId as the
-//    realization-index key. Zero name strings cross the
-//    substrate/emitter boundary.
-//
-// 2. **`DeclarationRef` sentinel meta-type.** A field type that means
-//    "any declaration reference." When a record-literal field's
-//    declared type walks to this sentinel, the lowerer accepts an
-//    identifier (or dotted path) as the field value and emits
-//    `FieldValue::Reference(decl_id)` instead of
-//    `FieldValue::Literal(...)`. This is what unlocks target spec
-//    files writing `target: Int` (a typed reference to the Int
-//    declaration in std/integer.dag) instead of
-//    `target_name: "Int"` (a string the emitter has to dispatch
-//    on).
-//
-//    Previously named `Declaration`; renamed so the substrate's
-//    central structural record type (declared in
-//    `src/v3/std/substrate.dag` as the reflection surface's
-//    `Declaration` type) can take the natural name. The sentinel
-//    role is "a reference to any declaration," so `DeclarationRef`
-//    is a strictly more accurate name — and frees `Declaration`
-//    for the record type that IS a declaration, rather than a
-//    marker for fields that accept one.
-//
-// **Why these live in src/v3/spec/ rather than dsl/std/.** v2's
-// CI pipeline scans `dsl/` recursively and tries to resolve every
-// identifier in every record-literal field value. v2 has no
-// concept of v3's `DeclarationRef` sentinel meta-type, so a target
-// spec file like rust.dag carrying `target: Int` (a typed
-// declaration reference) reads as an undefined-variable error in
-// v2's scope. Moving v3-only spec files to `src/v3/spec/` keeps
-// them outside v2's scan tree entirely. v3 reads them via
-// `include_str!` from `src/v3/compiler/src/bootstrap.rs`.
-
-module v3.spec.v3_l1
-
-// L1 behavior markers. One per Behavior variant in dag.rs plus
-// Main for the program-entry-point wrapper. Each marker is an
-// empty Conj — it carries no fields because its only role is to
-// be the typed handle that realizations point at.
-type ValueBehavior {}
-type Transform {}
-type Branch {}
-type Loop {}
-type Bind {}
-type Main {}
-
-// **Naming debt (PB-Runtime flat namespace):** only `Value` collided with the
-// evaluator runtime union carrier; it is renamed to `ValueBehavior`. The other
-// L1 markers (`Transform`, `Branch`, …) stay short until a concrete collision
-// forces the same `*Behavior` pattern — rename in one follow-up PR if desired.
-
-// Sentinel meta-type. A field declared `target: DeclarationRef`
-// accepts an identifier value instead of a literal value at the
-// data-body parse site, and that identifier is resolved to a
-// DeclarationId during lowering. This is the structural
-// alternative to passing declaration names as strings — the
-// substrate carries the typed reference forward, no name-bridge
-// lookup at consumption time.
-type DeclarationRef {}
diff --git a/src/v3/std/algebra.dag b/src/v3/std/algebra.dag
deleted file mode 100644
index c0499913c54..00000000000
--- a/src/v3/std/algebra.dag
+++ /dev/null
@@ -1,742 +0,0 @@
-// std.algebra — structural algebra shared across lenses.
-//
-// 🟡 SCAFFOLD at Stage 2d scope. This file ships the carrier types +
-// composition algebra for `SymbolicCost`, the asymptotic-bound
-// coproduct consumed by `lenses/cost.dag` (DB-7). The broader
-// algebra hierarchy (Monoid, Lattice, Ring, ...) authored at
-// `dsl/std/algebra.dag` for v2 is NOT ported yet — Stage 2d needs
-// `SymbolicCost` alone; later lanes pull algebra structures in as
-// concrete consumers demand them, same policy as
-// `src/v3/std/effects.dag` Stage 2a.
-//
-// **SymbolicCost coproduct (seven variants per DB-7
-// `docs/design-symbolic-cost-algebra.md`):**
-//   - `ConstantCost(Int)`          — O(1) bounds
-//   - `LinearCost(SizeVariable)`   — O(n) over a named size
-//   - `PolynomialCost { var, degree }` — O(n^k)
-//   - `ProductCost(List<SymbolicCost>)` — O(n·m) product
-//   - `SumCost(List<SymbolicCost>)` — O(n + m) sum, dominated terms drop
-//   - `LogCost(SizeVariable)`      — O(log n)
-//   - `UnknownCost(String)`        — top of the dominance lattice
-//
-// **`UnknownCost` role — algebra element, not failure channel.**
-// Reviewer call-out on PR #537: the earlier "fail-open" framing
-// straddled two stories. Locked here: `UnknownCost` is a
-// legitimate member of the cost algebra representing the most
-// conservative asymptotic upper bound. `dominates(Unknown, X) =
-// True` for every `X`; nothing but itself dominates Unknown.
-// The `String` payload carries a user-facing reason (exotic
-// bound the thesis doesn't yet model — O(n!), O(2^n) — or "the
-// analyzer could not prove a tighter bound"). Treating Unknown
-// as top keeps the composition algebra total and keeps
-// downstream consumers from having to special-case "bound not
-// known yet."
-//
-// Failure — "this behavior cannot inhabit the cost dimension at
-// all" (malformed DAG reference, missing producer) — lives
-// OUTSIDE `SymbolicCost`:
-//   - `SymbolicCostLookup::MissingCost` is the lens-boundary
-//     failure carrier (see `src/v3/lenses/cost.dag`); every
-//     composition wrapper propagates it.
-//   - `Witness<SymbolicCost>::Violates` from
-//     `src/v3/std/dimensions.dag` is the Dimension-boundary
-//     failure carrier. Stage 2f's generic `analyze` will route
-//     MissingCost-at-the-lens into Violates-at-the-dimension.
-// Keeping the two failure channels outside the algebra carrier
-// lets `SymbolicCost` stay a trustworthy algebra element without
-// a "maybe" mode consumers have to unwrap.
-//
-// Four-pattern dissolution receipt (Q4 per DB-7):
-//
-//   - Pattern 1 (fact placement): fails. Every consumer dispatches
-//     on cost variant first — dominance on Polynomial/Linear pairs,
-//     list flattening on Sum/Product, name extraction on
-//     Linear/Log/Polynomial. No neutral placement above the variant
-//     tag.
-//   - Pattern 2 (variant-is-data): fails. ConstantCost carries a
-//     literal Int; LinearCost/LogCost carry a SizeVariable;
-//     PolynomialCost carries `{var, degree}`; Product/Sum carry
-//     lists of costs; UnknownCost carries a reason String. Each
-//     payload is structurally distinct.
-//   - Pattern 3 (algebraic-form): confirms terminality. The seven
-//     variants are the asymptotic bounds the thesis reasons about;
-//     exotic bounds (O(n!), O(2^n)) collapse to `UnknownCost` with
-//     a reason until a concrete consumer forces variant growth.
-//   - Pattern 4 (dimensional): fails. No common coordinate space
-//     generates all seven — LinearCost's payload is a SizeVariable,
-//     ProductCost's is a list, ConstantCost's is an Int.
-//
-// STOP SIGNAL: wanting an eighth variant. Pause and escalate rather
-// than extending; the thesis claim is that seven covers the
-// asymptotic surface, and any new variant should carry its own
-// dissolution receipt.
-
-module v3.std.algebra
-
-import std.algebra { Semiring, BoundedLattice }
-import std.list { List, empty, fold, cons, singleton, filter }
-import std.substrate { NonSingletonList, PortId, DeclarationId }
-import std.termination {
-  AdditionalStep, OneStep, PositiveDescentAmount, positive_descent_count
-}
-import v3.std.lookup { Lookup }
-
-// 🟡 SCAFFOLD coproduct. These are v2 per-method output-size effect facts
-// staged in v3 as the MethodContract metadata vocabulary. Pattern 1 fails
-// for the §6a pick: cost/complexity need the facts co-located per method,
-// not scattered into lens-local tables. Pattern 2 partially fits the unit
-// variants but would erase the closed semantic partition that consumers
-// dispatch on. Pattern 3 is the intended dissolution: once live call-site
-// MethodContract producers read structural return-type / collection-shape
-// facts, this carrier either narrows to those structural facts or remains as
-// their named projection. Trigger: the bulk MethodContract producer/consumer
-// migration replaces template-row seeding with structural method contracts.
-type CollectionSizeEffect
-  = ShrinkEffect
-  | ProjectionEffect
-  | IdentityEffect
-
-// Operation cost shape — structural contract on a method's algorithmic cost.
-// Declared per method on `MethodContract`; cost/complexity lenses read this
-// to compute cost expressions without string-dispatching on method names.
-//
-// 🟡 SCAFFOLD coproduct. Pattern 1 fails because cost shape belongs beside the
-// same method identity as size/callback metadata. Pattern 2 fails because the
-// variants name distinct closed asymptotic classes, not one labeled record
-// shape with free data. Pattern 3 is the dissolution path: live cost analysis
-// should derive these classes from `CostBound` / call-pattern structure when
-// MethodContract lookup is wired at call sites. Trigger: the post-§6a bulk
-// migration makes MethodContract construction consume E-C/E-I/E-P facts
-// directly instead of copying template metadata.
-type CostShape
-  = ShapeConstant
-  | ShapeLinearScan
-  | ShapeIterateBody
-  | ShapeSortBody
-
-// Unified per-method metadata carrier for v3 lens consumers. This is the
-// §6a Option 3 shape: one lookup key `(algebra_id, method_id)` using existing
-// `DeclarationId` identity, with the method contract facts cost/complexity
-// need co-located. It deliberately does not extend substrate declarations or
-// create one carrier per algebra.
-//
-// 🟡 TRANSITIONAL. This carrier centralizes facts that two lenses need today,
-// but it is not the endpoint. Field-level dissolution:
-// - `size_effect` dissolves into collection-cardinality-refined method
-//   signatures.
-// - `cost_shape` dissolves into a typed cost surface / structural cost
-//   derivation.
-// - `callback_element_position` dissolves into typed higher-order callback
-//   parameter shape.
-type MethodContract {
-  algebra_id: DeclarationId
-  method_id: DeclarationId
-  size_effect: CollectionSizeEffect?
-  cost_shape: CostShape?
-  callback_element_position: Int?
-}
-
-// 🟢 TERMINAL. `SizeVariable` names the runtime size of a DAG
-// port's value. Two cost expressions correlate structurally via
-// `source_port` equality — different folds over the same port
-// describe the SAME size; two folds over different ports do NOT,
-// even if both lists have the same declared type.
-//
-// `display_name` is presentation only. Identity stays on `source_port`
-// so two size variables that name the same runtime value compare equal
-// even if one lacks an authored display label.
-type SizeVariable {
-  source_port: PortId
-  display_name: String?
-}
-
-fn unnamed_size_variable(source_port: PortId) -> SizeVariable {
-  host unnamed_size_variable
-}
-
-fn size_variable_eq(a: SizeVariable, b: SizeVariable) -> Bool =
-  a.source_port == b.source_port
-
-// 🟢 TERMINAL. Polynomial degrees `>= 2` as a structural carrier, not a
-// pseudo-refinement over `Int`. `LinearCost` remains the sole degree-1 surface,
-// and `ConstantCost` carries degree-0 behavior; this sum makes 0/1 literally
-// unrepresentable inside `PolynomialCost`.
-//
-// Track 9 constructor-validation asymmetry still exists at the API boundary:
-// Rust's `DegreeAtLeastTwo::new(Int) -> Option<_>` remains the only generic
-// `Int -> DegreeAtLeastTwo` constructor today. The substrate is the authority
-// for the inhabitant set; a `.dag`-level validator/constructor (for example
-// `degree_of(n) -> DegreeAtLeastTwo?`) is the dissolution trigger for removing
-// the Rust-side validation asymmetry in the Lane 3c self-hosting cycle.
-type DegreeAtLeastTwo
-  = DegreeTwo
-  | DegreeSuccessor { previous: DegreeAtLeastTwo }
-
-// 🟢 TERMINAL at Stage 2d scope. The asymptotic-bound coproduct
-// DB-7 locks. See the module-level receipt for dissolution-pattern
-// evidence. The `Semiring<SymbolicCost>` inhabitance edge is the
-// substrate prerequisite for downstream Verification law witnesses
-// (INVARIANTS §P1); it does not retire those law rows in this slice.
-// This is intentionally edge-only today: v3 can parse the imported
-// `Semiring<T>` instantiation, but class-5 structural data lowering still
-// rejects honest function-valued witness fields (`add`, `mul`, etc.). Do
-// NOT add a parallel ad-hoc witness table. Dissolution trigger:
-// `symbolic_cost_semiring_structural_witness_lands` - when function-valued
-// structural data fields lower cleanly, author the single
-// `data symbolic_cost_semiring: Semiring<SymbolicCost>` witness with
-// `add = sequential`, `zero = ConstantCost(0)`, `mul = iterate`, and
-// `one = ConstantCost(1)`, then retire this edge-only boundary note in the
-// same PR.
-type SymbolicCost inhabits Semiring<SymbolicCost>
-  = ConstantCost(Int)
-  | LinearCost(SizeVariable)
-  | PolynomialCost { var: SizeVariable, degree: DegreeAtLeastTwo }
-  | ProductCost(NonSingletonList<SymbolicCost>)
-  | SumCost(NonSingletonList<SymbolicCost>)
-  | LogCost(SizeVariable)
-  | UnknownCost(String)
-
-// Scan state for composite `dominates` / `drop_dominated_step`.
-//
-// 🟢 TERMINAL (`docs/modeling-discipline.md` §4). Structural product
-// `{ any, pivot }` only — no phantom coproduct arm. Values use block literals
-// (`{ any: …, pivot: … }`) and `dominate_scan_init`; field projection uses
-// `acc.any` / `acc.pivot` like other conjunctive std carriers (`SizeVariable`,
-// `MethodContract`).
-type DominateScanAcc {
-  any: Bool
-  pivot: SymbolicCost
-}
-
-fn dominate_scan_init(pivot: SymbolicCost) -> DominateScanAcc = {
-  any: False
-  pivot: pivot
-}
-
-// SymbolicCost-monomorphized `Lookup` constructors. Same shim story
-// as `miss_int_lookup` / `hit_int_lookup` in `v3.std.lookup`: v3 infer
-// cannot yet prove bare `Miss` / `Hit(v)` bodies against a generic
-// `Lookup<value>` return type, so each concrete element gets a named
-// constructor. Rust emit lowers both calls to `Lookup::Miss` /
-// `Lookup::Hit(..)` (see `lookup_monomorphized_constructor_emit` in `rust_target.rs`).
-// Lives here (not in `v3.std.lookup`) because `SymbolicCost` is the
-// lens-side algebra element and `std.lookup` must stay free of algebra
-// imports.
-fn miss_symbolic_cost_lookup() -> Lookup<SymbolicCost> {
-  Miss
-}
-
-fn hit_symbolic_cost_lookup(cost: SymbolicCost) -> Lookup<SymbolicCost> {
-  Hit(cost)
-}
-
-fn two_terms(a: SymbolicCost, b: SymbolicCost) -> NonSingletonList<SymbolicCost> =
-  {
-    first: a
-    second: b
-    // Grammar workaround: this is semantically `empty()` for
-    // `List<SymbolicCost>`, but v3 does not yet infer that typed-empty witness
-    // reliably from the surrounding `NonSingletonList<SymbolicCost>` context.
-    // Collapse this back to `rest: empty()` once typed-empty inference lands.
-    rest: filter(singleton(a), reject_all_symbolic_costs)
-  }
-
-fn many_terms(
-  first: SymbolicCost,
-  second: SymbolicCost,
-  rest: List<SymbolicCost>
-) -> NonSingletonList<SymbolicCost> =
-  {
-    first: first
-    second: second
-    rest: rest
-  }
-
-fn reject_all_symbolic_costs(cost: SymbolicCost) -> Bool =
-  match singleton(cost) {
-    Empty => False
-    Cons(_) => False
-  }
-
-fn degree_raw(degree: DegreeAtLeastTwo) -> Int =
-  match degree {
-    DegreeTwo => 2
-    DegreeSuccessor(payload) => degree_raw(payload.previous) + 1
-  }
-
-// ── Composition (sequential / iterate / max_path) ───────────────
-
-// `sequential(a, b)` composes two costs in series. The resulting
-// sum normalizes dominated terms away — `O(n) + O(1) = O(n)`.
-fn sequential(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost =
-  normalize(SumCost(two_terms(a, b)))
-
-// `iterate(bound, body)` composes an iteration: `body` runs
-// `bound`-many times. `O(n) * O(1) = O(n)`; `O(n) * O(n) = O(n²)`
-// when the two LinearCost terms share a SizeVariable.
-fn iterate(bound: SymbolicCost, body: SymbolicCost) -> SymbolicCost =
-  normalize(ProductCost(two_terms(bound, body)))
-
-// Lambda-free helper so `max_path`'s fold below resolves its
-// function-type parameter without relying on bidirectional
-// inference through a closure.
-//
-// Three-way semantics (fixes PR #537 review: Facts Flow Forward
-// violation — pairing paths via `if dominates(c, acc) then c else
-// acc` silently dropped whichever path was ordered later when the
-// two were incomparable, e.g. `Linear(n)` vs `Linear(m)` with
-// distinct size variables):
-//
-//   - candidate dominates acc → return candidate (acc drops, Big-O
-//     dominance is stable).
-//   - acc dominates candidate → return acc (candidate drops).
-//   - neither dominates → preserve both via `sequential`, relying
-//     on `Big-O(f + g) = Big-O(max(f, g))` for non-negative
-//     asymptotic terms; `normalize` inside `sequential` still drops
-//     anything the other term dominates.
-fn max_path_step(acc: SymbolicCost, candidate: SymbolicCost) -> SymbolicCost =
-  if dominates(candidate, acc) then
-    candidate
-  else
-    keep_or_sum(acc, candidate)
-
-fn keep_or_sum(acc: SymbolicCost, candidate: SymbolicCost) -> SymbolicCost =
-  if dominates(acc, candidate) then
-    acc
-  else
-    sequential(acc, candidate)
-
-// `max_path(paths)` takes the dominant cost across alternative
-// control-flow paths (Branch arms). Worst-case asymptotic
-// semantics: a branch between `O(n)` and `O(n²)` costs `O(n²)`
-// overall; a branch between `O(n)` and `O(m)` (incomparable)
-// costs `O(n + m)` — both facts flow forward.
-fn max_path(paths: List<SymbolicCost>) -> SymbolicCost =
-  fold(paths, ConstantCost(0), max_path_step)
-
-// ── Dominance ───────────────────────────────────────────────────
-//
-// Asymptotic dominance: `a` dominates `b` iff `a` grows at least as
-// fast as `b`. Dropped terms in `normalize` and path selection in
-// `max_path` both read this.
-//
-// Rules implemented here (DB-7 §"Dominance / normalization"):
-//   - Unknown dominates everything (safest over-approximation).
-//   - Constant is dominated by everything else.
-//   - Polynomial(v, k1) dominates Polynomial(v, k2) iff k1 >= k2.
-//   - `PolynomialCost` carries `DegreeAtLeastTwo`, so `Linear(v)` is
-//     the sole degree-1 surface.
-//   - Product/Sum use the dominant child as a summary (MVP — full
-//     term-by-term comparison lands with the multi-variable
-//     fixtures in Stage 2d+ follow-up).
-fn dominates(a: SymbolicCost, b: SymbolicCost) -> Bool =
-  match a {
-    UnknownCost(_) => True
-    ConstantCost(_) =>
-      match b {
-        ConstantCost(_) => True
-        UnknownCost(_) => False
-        LinearCost(_) => False
-        PolynomialCost(_) => False
-        ProductCost(_) => False
-        SumCost(_) => False
-        LogCost(_) => False
-      }
-    LinearCost(va) =>
-      match b {
-        ConstantCost(_) => True
-        LogCost(_) => True
-        LinearCost(vb) => same_size_variable(va, vb)
-        PolynomialCost(payload) =>
-          False
-        UnknownCost(_) => False
-        ProductCost(_) => False
-        SumCost(_) => False
-      }
-    PolynomialCost(pa) =>
-      match b {
-        ConstantCost(_) => True
-        LogCost(_) => True
-        LinearCost(vb) =>
-          same_size_variable(pa.var, vb)
-        PolynomialCost(pb) =>
-          if same_size_variable(pa.var, pb.var) then
-            degree_raw(pa.degree) >= degree_raw(pb.degree)
-          else
-            False
-        UnknownCost(_) => False
-        ProductCost(_) => False
-        SumCost(_) => False
-      }
-    LogCost(va) =>
-      match b {
-        ConstantCost(_) => True
-        LogCost(vb) => same_size_variable(va, vb)
-        LinearCost(_) => False
-        PolynomialCost(_) => False
-        ProductCost(_) => False
-        SumCost(_) => False
-        UnknownCost(_) => False
-      }
-    // Single semantic definition (DB-7 / R2 dissolution): when `a`
-    // is a composite (`ProductCost` / `SumCost`), `a` dominates `b`
-    // iff **any child** dominates `b`. The list walk uses `std.list.fold`
-    // with `fold_or_dominate_scan` so the surface call graph does not form
-    // an invalid mutually-recursive SCC with `dominates` (M1 checker).
-    ProductCost(terms) =>
-      scan_hit(
-        fold(
-          nsl_to_list(terms),
-          dominate_scan_init(b),
-          fold_or_dominate_scan
-        )
-      )
-    SumCost(terms) =>
-      scan_hit(
-        fold(
-          nsl_to_list(terms),
-          dominate_scan_init(b),
-          fold_or_dominate_scan
-        )
-      )
-  }
-
-fn same_size_variable(a: SizeVariable, b: SizeVariable) -> Bool =
-  size_variable_eq(a, b)
-
-// Terminal asymptotic-class carrier for complexity display and budget
-// enforcement. Ordering is by asymptotic dominance:
-// ClassConstant <= ClassLog <= ClassLinear <= ClassLinearithmic <=
-// ClassQuadratic <= ClassPolynomial(k>=3) <= ClassExponential <= ClassUnknown.
-//
-// `asymptotic_dominates(ClassPolynomial { degree: d_a }, ClassPolynomial { degree: d_b })`
-// compares Peano degrees via `std.termination::positive_descent_count` (same `Int`
-// depth as `std.computation::positive_descent_count`, now single-authority in
-// termination so this module does not import `std.computation`).
-// `v3_compiler::complexity_lattice::complexity_enforcement_budget_dominates` stays aligned
-// with this `.dag` relation for every arm including poly×poly (single authority for gate #92).
-type AsymptoticClass inhabits BoundedLattice<AsymptoticClass>
-  = ClassConstant
-  | ClassLog
-  | ClassLinear
-  | ClassLinearithmic
-  | ClassQuadratic
-  | ClassPolynomial { degree: PositiveDescentAmount }
-  | ClassExponential
-  | ClassUnknown
-
-fn asymptotic_dominates(a: AsymptoticClass, b: AsymptoticClass) -> Bool =
-  match a {
-    ClassUnknown => True
-    ClassExponential =>
-      match b {
-        ClassUnknown => False
-        ClassExponential => True
-        ClassPolynomial(_) => True
-        ClassQuadratic => True
-        ClassLinearithmic => True
-        ClassLinear => True
-        ClassLog => True
-        ClassConstant => True
-      }
-    ClassPolynomial { degree: d_a } =>
-      match b {
-        ClassUnknown => False
-        ClassExponential => False
-        ClassPolynomial { degree: d_b } =>
-          positive_descent_count(d_a) >= positive_descent_count(d_b)
-        ClassQuadratic => True
-        ClassLinearithmic => True
-        ClassLinear => True
-        ClassLog => True
-        ClassConstant => True
-      }
-    ClassQuadratic =>
-      match b {
-        ClassConstant => True
-        ClassLog => True
-        ClassLinear => True
-        ClassLinearithmic => True
-        ClassQuadratic => True
-        ClassPolynomial(_) => False
-        ClassExponential => False
-        ClassUnknown => False
-      }
-    ClassLinearithmic =>
-      match b {
-        ClassConstant => True
-        ClassLog => True
-        ClassLinear => True
-        ClassLinearithmic => True
-        ClassQuadratic => False
-        ClassPolynomial(_) => False
-        ClassExponential => False
-        ClassUnknown => False
-      }
-    ClassLinear =>
-      match b {
-        ClassConstant => True
-        ClassLog => True
-        ClassLinear => True
-        ClassLinearithmic => False
-        ClassQuadratic => False
-        ClassPolynomial(_) => False
-        ClassExponential => False
-        ClassUnknown => False
-      }
-    ClassLog =>
-      match b {
-        ClassConstant => True
-        ClassLog => True
-        ClassLinear => False
-        ClassLinearithmic => False
-        ClassQuadratic => False
-        ClassPolynomial(_) => False
-        ClassExponential => False
-        ClassUnknown => False
-      }
-    ClassConstant =>
-      match b {
-        ClassConstant => True
-        ClassLog => False
-        ClassLinear => False
-        ClassLinearithmic => False
-        ClassQuadratic => False
-        ClassPolynomial(_) => False
-        ClassExponential => False
-        ClassUnknown => False
-      }
-  }
-
-fn meet_asymptotic_class(a: AsymptoticClass, b: AsymptoticClass) -> AsymptoticClass =
-  if asymptotic_dominates(a, b) then b else a
-
-fn join_asymptotic_class(a: AsymptoticClass, b: AsymptoticClass) -> AsymptoticClass =
-  if asymptotic_dominates(a, b) then a else b
-
-fn classify_symbolic_cost(cost: SymbolicCost) -> AsymptoticClass {
-  host classify_symbolic_cost
-}
-
-// ── Normalization ───────────────────────────────────────────────
-//
-// `normalize(c)` simplifies a SymbolicCost expression by:
-//   - dropping `ConstantCost(0)` from Sum lists,
-//   - collapsing Product lists containing `ConstantCost(0)` to zero,
-//   - dropping `ConstantCost(1)` from Product lists,
-//   - collapsing Sums/Products whose term lists reduce to a single
-//     element,
-//   - folding a Product of two identical LinearCosts into
-//     `PolynomialCost(var, 2)` — the nested-fold fingerprint the
-//     `all_pairs` fixture leans on,
-//   - otherwise returning the input unchanged.
-//
-// Full recursive flattening of nested Sums/Products is deferred —
-// the composition ops construct trees two deep at most, so the
-// MVP handles that surface directly.
-fn normalize(c: SymbolicCost) -> SymbolicCost =
-  match c {
-    ConstantCost => c
-    LinearCost => c
-    PolynomialCost => c
-    LogCost => c
-    UnknownCost => c
-    SumCost(terms) => reduce_sum(drop_additive_zero(nsl_to_list(terms)))
-    ProductCost(terms) =>
-      reduce_product(drop_multiplicative_one(collapse_on_multiplicative_zero(nsl_to_list(terms))))
-  }
-
-fn nsl_to_list(terms: NonSingletonList<SymbolicCost>) -> List<SymbolicCost> =
-  cons(terms.first, cons(terms.second, terms.rest))
-
-// Drops `ConstantCost(0)` terms from a list of costs. Used by
-// normalize so `SumCost([Linear, Constant(0)])` collapses to the
-// single Linear term (DB-7 acceptance test).
-fn drop_additive_zero(terms: List<SymbolicCost>) -> List<SymbolicCost> =
-  match terms {
-    Empty => empty()
-    Cons(payload) =>
-      if is_zero_constant(payload.head) then
-        drop_additive_zero(payload.tail)
-      else
-        cons(payload.head, drop_additive_zero(payload.tail))
-  }
-
-// Multiplicative zero is an annihilator, not a removable identity. This keeps
-// `Semiring<SymbolicCost>` honest: `O(n) * 0` collapses to `0`, while additive
-// zero remains removable only under `SumCost`.
-fn collapse_on_multiplicative_zero(terms: List<SymbolicCost>) -> List<SymbolicCost> =
-  if any_zero(terms) then
-    cons(ConstantCost(0), empty())
-  else
-    terms
-
-fn any_zero(terms: List<SymbolicCost>) -> Bool =
-  match terms {
-    Empty => False
-    Cons(payload) => is_zero_constant(payload.head) || any_zero(payload.tail)
-  }
-
-// Multiplicative one is the product identity. Once zero-annihilation has run,
-// `ConstantCost(1)` terms can be removed from products without losing work.
-fn drop_multiplicative_one(terms: List<SymbolicCost>) -> List<SymbolicCost> =
-  match terms {
-    Empty => empty()
-    Cons(payload) =>
-      if is_one_constant(payload.head) then
-        drop_multiplicative_one(payload.tail)
-      else
-        cons(payload.head, drop_multiplicative_one(payload.tail))
-  }
-
-fn is_zero_constant(c: SymbolicCost) -> Bool =
-  match c {
-    ConstantCost(n) => n == 0
-    LinearCost(_) => False
-    PolynomialCost(_) => False
-    ProductCost(_) => False
-    SumCost(_) => False
-    LogCost(_) => False
-    UnknownCost(_) => False
-  }
-
-fn is_one_constant(c: SymbolicCost) -> Bool =
-  match c {
-    ConstantCost(n) => n == 1
-    LinearCost(_) => False
-    PolynomialCost(_) => False
-    ProductCost(_) => False
-    SumCost(_) => False
-    LogCost(_) => False
-    UnknownCost(_) => False
-  }
-
-// If a SumCost reduces to a single term, return that term; else keep
-// the canonical `NonSingletonList` wrapper with dominated terms
-// dropped.
-//
-// PR #537 reviewer (ChatGPT) call-out: the Cons-branch previously
-// wrapped the result of `drop_dominated` in `SumCost(...)`
-// unconditionally, so an input like `SumCost([Linear(n),
-// Constant(5)])` — where `drop_dominated` correctly strips the
-// dominated `Constant(5)` and leaves a singleton — landed as the
-// invalid `SumCost([Linear(n)])`. Now a post-drop singleton
-// unwraps via `wrap_sum` so the post-normalize carrier stays
-// canonical (≥ 2 terms in any surviving `SumCost`). Rust mirror in
-// `dag.rs::reduce_sum` already handles this via its `match terms.len()`
-// arms; this keeps the .dag authority in sync.
-fn reduce_sum(terms: List<SymbolicCost>) -> SymbolicCost =
-  match terms {
-    Empty => ConstantCost(0)
-    Cons(payload) =>
-      match payload.tail {
-        Empty => payload.head
-        Cons(_) => wrap_sum(drop_dominated(cons(payload.head, payload.tail)))
-      }
-  }
-
-fn wrap_sum(terms: List<SymbolicCost>) -> SymbolicCost =
-  match terms {
-    Empty => ConstantCost(0)
-    Cons(payload) =>
-      match payload.tail {
-        Empty => payload.head
-        Cons(second) => SumCost(many_terms(payload.head, second.head, second.tail))
-      }
-  }
-
-// If a ProductCost reduces to a single term, return it; if the
-// product is two LinearCosts over the same variable, fold to
-// `PolynomialCost(var, 2)`; otherwise keep the wrapper.
-fn reduce_product(terms: List<SymbolicCost>) -> SymbolicCost =
-  match terms {
-    Empty => ConstantCost(1)
-    Cons(payload) =>
-      match payload.tail {
-        Empty => payload.head
-        Cons(second) =>
-          match second.tail {
-            Empty => combine_binary_product(payload.head, second.head)
-            Cons(_) => ProductCost(many_terms(payload.head, second.head, second.tail))
-          }
-      }
-  }
-
-// Binary product special-case: two LinearCosts over the same port
-// collapse to PolynomialCost with degree 2. Other shapes stay as
-// a two-element ProductCost.
-fn combine_binary_product(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost =
-  match a {
-    LinearCost(va) => combine_linear_with(va, a, b)
-    ConstantCost(_) => product_pair(a, b)
-    PolynomialCost(_) => product_pair(a, b)
-    LogCost(_) => product_pair(a, b)
-    SumCost(_) => product_pair(a, b)
-    ProductCost(_) => product_pair(a, b)
-    UnknownCost(_) => product_pair(a, b)
-  }
-
-fn combine_linear_with(va: SizeVariable, a: SymbolicCost, b: SymbolicCost) -> SymbolicCost =
-  match b {
-    LinearCost(vb) => collapse_linear_square(va, vb, a, b)
-    ConstantCost(_) => product_pair(a, b)
-    PolynomialCost(_) => product_pair(a, b)
-    LogCost(_) => product_pair(a, b)
-    SumCost(_) => product_pair(a, b)
-    ProductCost(_) => product_pair(a, b)
-    UnknownCost(_) => product_pair(a, b)
-  }
-
-fn collapse_linear_square(
-  va: SizeVariable,
-  vb: SizeVariable,
-  a: SymbolicCost,
-  b: SymbolicCost
-) -> SymbolicCost =
-  if same_size_variable(va, vb) then
-    polynomial_square(va)
-  else
-    product_pair(a, b)
-
-fn polynomial_square(v: SizeVariable) -> SymbolicCost {
-  PolynomialCost { var: v, degree: DegreeTwo }
-}
-
-fn product_pair(a: SymbolicCost, b: SymbolicCost) -> SymbolicCost =
-  ProductCost(two_terms(a, b))
-
-fn fold_or_dominate_scan(acc: DominateScanAcc, c: SymbolicCost) -> DominateScanAcc = {
-  any: acc.any || dominates(c, acc.pivot)
-  pivot: acc.pivot
-}
-
-fn scan_hit(scan: DominateScanAcc) -> Bool =
-  scan.any
-
-fn filter_not_dominated_by(
-  candidates: List<SymbolicCost>,
-  winner: SymbolicCost
-) -> List<SymbolicCost> =
-  match candidates {
-    Empty => empty()
-    Cons(payload) =>
-      if dominates(winner, payload.head) then
-        filter_not_dominated_by(payload.tail, winner)
-      else
-        cons(payload.head, filter_not_dominated_by(payload.tail, winner))
-  }
-
-fn drop_dominated_step(
-  acc: List<SymbolicCost>,
-  term: SymbolicCost
-) -> List<SymbolicCost> =
-  if scan_hit(fold(acc, dominate_scan_init(term), fold_or_dominate_scan)) then
-    acc
-  else
-    cons(term, filter_not_dominated_by(acc, term))
-
-// Drops terms from a SumCost list that are dominated by another
-// term in the list. MVP: O(n²) pairwise walk; acceptable because
-// the sum lists in practice are short (≤ 3 terms).
-fn drop_dominated(terms: List<SymbolicCost>) -> List<SymbolicCost> =
-  fold(terms, empty(), drop_dominated_step)
diff --git a/src/v3/std/anthropic_messages.dag b/src/v3/std/anthropic_messages.dag
deleted file mode 100644
index d2e744d08fd..00000000000
--- a/src/v3/std/anthropic_messages.dag
+++ /dev/null
@@ -1,92 +0,0 @@
-module v3.std.anthropic_messages
-
-import std.types { Secret }
-import std.list { List }
-import v3.std.anthropic_schema {
-  AnthropicChatMessage,
-  AnthropicMessages200Body
-}
-
-// T-Substrate-AnthropicMessagesCallable — service-operation callable
-// declaration precursor for the Anthropic Messages REST operation. The
-// real top-level callable that PR-β's `anthropic_operations: List<Operation>`
-// row will reference via `Operation.callable.decl`, satisfying the
-// `CallableRef` typed-edge requirement (#1246, #1261).
-//
-// Authority source for the signature is `dsl/extdeps/llm/anthropic.dag`'s
-// `service llm.Anthropic { operation Messages { … } }` block at lines
-// 180-203. The v3 mirror types in `v3.std.anthropic_schema` (#1261) carry
-// the input/output structural fidelity that lets this callable land
-// honestly — without the schema mirror, the only options were primitive-
-// only signatures (forbidden as fake-by-omission) or wholesale v2 service
-// parser ingestion (forbidden as out-of-scope). Both stops are documented
-// in #1130's STOP+PING chain that produced #1261.
-//
-// **Signature shape vs. v2 source.** Two intentional simplifications
-// preserve honesty at the v3 layer rather than introducing fake structure:
-//
-// 1. `max_tokens: Int` here vs `max_tokens: Int = 4096` in v2.
-//    v3's function-decl surface does not carry parameter defaults; the
-//    v2 default is a caller-side convenience that PR-β fixture rows
-//    surface (or that downstream consumers fold in). The v3 callable
-//    requires `max_tokens` explicitly, which is structurally stricter
-//    than the v2 default but does not invent a fake type — `Int` is
-//    the right type, only the optionality story differs.
-// 2. The 4xx/5xx response carriers (`AnthropicErrorShape`) are not on
-//    the typed return; the callable returns the 200 body
-//    (`AnthropicMessages200Body`) per v2's `response { 200 => … }`
-//    slot. Error-response handling lives with the operation-row
-//    response/wire lockstep lane (PR-β scope, sibling to the row authoring
-//    Grounding owns).
-//
-// **Body — actual state and bound.** `host anthropic_messages` lowers
-// to `ArrowBody::Unparsed(span)` in the bootstrap, NOT to
-// `ArrowBody::ExternalRealization`. The pipeline-stage pattern in
-// `src/v3/compiler/pipeline.dag` (`host parse` / `host lower` / etc.)
-// gets its body rewritten to `ExternalRealization(realization_id)` by
-// a hard-coded post-processing loop in
-// `src/v3/compiler/src/bootstrap.rs:256` keyed by stage name; that
-// patch is pipeline-specific and does not fire here. Without an
-// equivalent service-operation realization patch (which would require
-// authoring a `CompilerHostRealization`-style data row whose only job
-// is to satisfy a binding-carrier slot — exactly the producerless
-// parallel surface the dispatch explicitly rejects), the body remains
-// `Unparsed`.
-//
-// `Unparsed` is the honest temporary state for this callable: v3 can
-// type-check the `Arrow` (parameters + output) but does not resolve a
-// realization. PR-β consumers (`Operation.callable.decl`) read the
-// signature only — the body is not on the consumer surface. The
-// shape ratchet at
-// `src/v3/compiler/tests/integration/anthropic_messages_callable_test.rs::anthropic_messages_body_is_unparsed`
-// pins this fact so a silent rewrite to `ExternalRealization` /
-// `UserDefined` / `NoBody` fails closed.
-//
-// **Bound on the unparsed-body state.** The dissolution trigger below
-// (v3 service-DSL parse/load surface) closes both this body class
-// and the schema mirror it depends on. Until then, the body stays
-// `Unparsed` and the ratchet enforces it.
-//
-// **Out of scope.** The `Operation` row that closes the
-// callable-to-source-identity edge (`callable: { decl: anthropic_messages },
-// inputs: …, endpoint: { method: POST, path: parse_path_template("/v1/messages"),
-// … }`) is Grounding-owned PR-β work in a sibling
-// `src/v3/std/anthropic_operations.dag` file. Grounding can rebase
-// #1252 against this PR's `anthropic_messages` decl id directly via
-// `CallableRef.decl`.
-//
-// **Dissolution.** Same trigger as `anthropic_schema.dag`: when v3
-// grows a service-DSL parse/load surface that ingests
-// `dsl/extdeps/llm/*.dag` with full structural fidelity, the v2
-// source becomes the only authority and this callable
-// declaration retires alongside the schema mirror it references.
-fn anthropic_messages(
-  api_key:     Secret,
-  model:       String,
-  messages:    List<AnthropicChatMessage>,
-  max_tokens:  Int,
-  temperature: Float?,
-  system:      String?
-) -> AnthropicMessages200Body {
-  host anthropic_messages
-}
diff --git a/src/v3/std/anthropic_operations.dag b/src/v3/std/anthropic_operations.dag
deleted file mode 100644
index cf76cd35ec2..00000000000
--- a/src/v3/std/anthropic_operations.dag
+++ /dev/null
@@ -1,132 +0,0 @@
-// v3.std.anthropic_operations -- per-operation rows for the Anthropic
-// service, populating the `Operation` substrate carrier in
-// `src/v3/std/services.dag` (PR-α #1246; sharp-raven-604).
-//
-// SCOPE (T-Ground services.dag PR-β, Phase 1 pilot): row population
-// only — single Messages operation. Substrate Manager dispatched
-// anthropic first per narrow-scope pilot (parallel to #1195's
-// `MethodTemplateContract` Phase 1 row population). The legacy
-// authority at `dsl/extdeps/llm/anthropic.dag:168-220` (the
-// `service llm.Anthropic { ... operation Messages { ... } }` block)
-// remains the v2 emit-pipeline source-of-truth until Phase 2
-// retirement (separate dispatch); the row-list here is net-additive
-// in PR-β. Phase 1.5 / Phase 2 retirement of the v2 service block
-// folds into Pure-Bootstrap-Zero / v2 retirement scope (parallel to
-// the LanguageSpec `*_method_templates` deferral pattern landed in
-// #1210 + #1213).
-//
-// HOME (post-#1187 audit lesson): this file lives under `src/v3/std/`
-// because v2's `collect_dag_sources` walks `dsl/` recursively (see
-// historical pipeline integration tests) — placing this file in
-// `dsl/extdeps/...` would re-trigger the cross-tree-import
-// regression. The bootstrap-fixture authority
-// (`src/v3/std/extdeps_bootstrap_fixtures.dag`) plus
-// `BOOTSTRAP_FIXTURE_PATH_KEYS` (`src/v3/compiler/src/bootstrap.rs`)
-// resolve mixed-tree fixtures across `STAGED_FILES` and `EXTDEPS_FILES`.
-//
-// SOURCE OF TRUTH for this row's content:
-// `dsl/extdeps/llm/anthropic.dag:180-203` `operation Messages`:
-//   - input fields: api_key, model, messages, max_tokens, temperature, system
-//   - transport: method=POST, path="/v1/messages"
-//
-// CALLABLE-EDGE (#1246 + #1266 chain):
-//   `Operation.callable: CallableRef { decl: DeclarationRef }` resolves
-//   to the top-level callable declaration whose REST realization this
-//   row mirrors. Substrate's #1266 landed `fn anthropic_messages` at
-//   `src/v3/std/anthropic_messages.dag` for exactly this purpose. The
-//   row carries `callable: { decl: anthropic_messages }`. Display
-//   names + per-operation identity derive from `callable.decl` via
-//   `DeclarationRef` resolution; per `services.dag:107-114`,
-//   `Operation` deliberately does NOT carry a parallel `name: String`
-//   field that could drift from the callable.
-//
-// EXPLICIT DEFERRAL §1 — INPUT-FIELDS POPULATION
-// (parser-grammar gap; Substrate-tracked Phase 1.5+ slice):
-//
-// The v2 source declares 6 input fields (api_key, model, messages,
-// max_tokens, temperature, system), but `Operation.inputs:
-// Map<String, InputField>` per `services.dag:124` cannot be
-// populated inline because v3's grammar does not currently support
-// nested string-keyed `Map<String, X>` literals in record-field-value
-// positions. Even an empty literal `{}` doesn't satisfy the
-// structural type — it parses as an empty record, not an empty Map,
-// and the row fails the `Operation.inputs` shape check
-// (`ResolveError: data anthropic_operations field <list element>
-// does not match the declared structural type`).
-//
-// Audit at HEAD: every existing `Map<String, X>` data item lives at
-// top-level (`algebra.dag:460`, `types.dag:65/79/114/133`,
-// `node.dag:207`, etc.); zero precedent for nested construction.
-// Cross-manager request routed from R2 Grounding Manager (#1133
-// inbox 4353126932); Substrate has queued the parser slice as
-// Phase 1.5+ work (#1130 comment 4353153545).
-//
-// Pilot impact: the Messages row (POST /v1/messages) has zero
-// `ParamToken`s, so the `ParamToken.name` → `inputs` boundary check
-// is vacuous regardless. The deferred input-field-keys assertion is
-// load-bearing only for future ParamToken-bearing rows (GitHub
-// provider operations, etc.). For now the entire pilot row is
-// deferred (the empty-list scaffolding lands; populated row
-// re-arms once the grammar extension lands).
-//
-// Parallel to: Go `chars` tokenizer deferral (#1196 hot-fix).
-//
-// EXPLICIT DEFERRAL §2 — v2 PARAMETER DEFAULTS
-// (`InputField.default` carrier; Substrate-tracked Phase 1.5+ slice;
-// distinct gap from §1):
-//
-// v2's `max_tokens: Int = 4096` carries a parameter default not
-// represented in PR-β rows. PR-α `InputField {}` is empty terminal;
-// the `InputField.default` carrier is queued as a Phase 1.5+
-// Substrate slice (Substrate disposition #1130 comment 4352585286).
-// Until that slice lands, PR-β rows are honest about the v2
-// service-block input shape **minus the defaults**. The default is
-// preserved in legacy v2 source until the carrier lands — no silent
-// drop.
-//
-// Parallel to: `*_method_templates` PB-Zero deferral (#1210 / #1213),
-// `string_contains` Modeling-level classification deferral, Rust
-// higher-order Phase 1.5 deferral.
-//
-// **Distinct gaps, distinct dispositions** (per #1133 inbox
-// 4353159066): §1 is a parser-grammar question; §2 is an
-// `InputField` schema question. Each has its own cross-manager
-// citation and its own dissolution trigger.
-
-module v3.std.anthropic_operations
-
-import std.types { HttpMethod, POST }
-import v3.std.services {
-  Operation,
-  RestEndpointBinding,
-  InputField,
-  CallableRef
-}
-import std.effects {
-  PathTemplate,
-  UrlPathToken,
-  LiteralToken
-}
-import v3.std.anthropic_messages { anthropic_messages }
-
-
-// **PHASE 1 PILOT ROW DEFERRED — parser-grammar gap deeper than
-// expected (per #1133 inbox 4353126932 routing call):**
-//   The Messages row construction `{ callable: { decl: anthropic_messages },
-//   inputs: <empty>, endpoint: { ... } }` cannot typecheck against
-//   `Operation` today because `inputs: Map<String, InputField>` has no
-//   inline literal form that satisfies the structural type. Empty
-//   record `{}` parses but fails the `Map<String, InputField>` shape
-//   check (`ResolveError: field <list element> does not match the
-//   declared structural type`). The cross-manager request to Substrate
-//   for the parser-grammar extension (nested `Map<String, X>` literals
-//   as record-field-values, including empty `Map`) is queued; PR-β
-//   Phase 1 lands the **substrate-fixture-authority extension + test
-//   machinery** as net-additive scaffolding so the Messages row drops
-//   in mechanically once the grammar lands. Same hot-fix discipline as
-//   #1196's empty Go method-template-contracts list.
-//
-// Test-side: the lockstep checks for this row are wired but vacuously
-// pass on the empty list. Phase 1.5+ row-fill grows them to the
-// pilot-row checks named in the test header.
-data anthropic_operations: List<Operation> = []
diff --git a/src/v3/std/anthropic_schema.dag b/src/v3/std/anthropic_schema.dag
deleted file mode 100644
index 7c4e1551e47..00000000000
--- a/src/v3/std/anthropic_schema.dag
+++ /dev/null
@@ -1,243 +0,0 @@
-module v3.std.anthropic_schema
-
-// T-Substrate-AnthropicSchemaMirror — provider-domain type mirror staged
-// for the v3 Anthropic Messages callable precursor.
-//
-// Authority source is `dsl/extdeps/llm/anthropic.dag` (v2-parsed). v3's
-// parser does not handle the `service { operation { transport rest { … } } }`
-// block (same gap that motivates `T-Ground-Services` per #1130 / #1246), so
-// pulling `anthropic.dag` wholesale into `BOOTSTRAP_FIXTURE_PATH_KEYS` lowers
-// the service block as `ValueBody::Unparsed`. This file is the typed twin
-// authored on the v3 surface — same staged-fixture discipline as the
-// `MethodTemplateContract` rust/python/go contract files (#1195) and the
-// `services.dag` PR-α carrier (#1246). The file is **type authority only**
-// in this PR; `fn anthropic_messages` and any `Operation` data row are
-// deferred to a follow-on substrate precursor that consumes these types.
-//
-// Scope is narrow: only types reachable from the `operation Messages`
-// input + output signature (`dsl/extdeps/llm/anthropic.dag:180-203`).
-// Types not in that reach (`AnthropicModel`, `AnthropicModelSpec`,
-// `AnthropicToolDefinition`, `AnthropicApiVersion`, `SystemPrompt`,
-// `ThinkingMode`, `ThinkingConfig`, `AnthropicErrorShape`)
-// are deliberately omitted. `CacheControl` and `AnthropicSearchResultCitationsConfig`
-// are mirrored because nested tool-result `AnthropicSearchResultBlock` references them
-// in `dsl/extdeps/llm/anthropic.dag`. `AnthropicErrorShape` covers the 4xx/5xx
-// response slots only; the callable's typed return is `AnthropicMessages200Body`,
-// so the error carrier is not on the signature reach today and lands with
-// the operation-row response/wire lockstep lane (per PR-β scope) rather
-// than here.
-//
-// Lockstep ratchet: `src/v3/compiler/tests/integration/anthropic_schema_lockstep_test.rs`
-// pins the mirrored type names + field labels + variant labels against
-// `dsl/extdeps/llm/anthropic.dag`. Changing either authority without the
-// other fails closed.
-//
-// Dissolution trigger: when v3 grows a service-DSL parse/load surface
-// that ingests `dsl/extdeps/llm/*.dag` with full structural fidelity
-// (out-of-scope here; flagged in #1246 STOP+PING), this twin retires —
-// the v2 source becomes the only authority and this file collapses.
-
-// 🟢 TERMINAL provider-domain coproduct mirroring `AnthropicChatMessage`
-// (`dsl/extdeps/llm/anthropic.dag:105-107`). Outer variant is the
-// role discriminator so role-specific content legality is structural —
-// user rows can carry text/tool-results, assistant rows can carry
-// text/tool-use requests. Same closed coproduct on both sides.
-type AnthropicChatMessage
-  = UserMessage      { content: List<AnthropicUserContentBlock> }
-  | AssistantMessage { content: List<AnthropicAssistantContentBlock> }
-
-// 🟡 SCAFFOLD — same row/disposition as `dsl/extdeps/llm/anthropic.dag` (`ImageSource`);
-// v2 `Base64Image.data` mirrored as `base64` (v3 keyword).
-type ImageSource
-  = Base64Image {
-      media_type: String
-      base64: String
-    }
-  | UrlImage { url: String }
-
-// 🟢 TERMINAL — same row as `dsl/extdeps/llm/anthropic.dag` (`CacheControl`);
-// referenced from nested tool-result `AnthropicSearchResultBlock.cache_control`.
-type CacheControl {
-  type: String
-}
-
-// 🟢 TERMINAL — `dsl/extdeps/llm/anthropic.dag` (`AnthropicSearchResultCitationsConfig`).
-type AnthropicSearchResultCitationsConfig {
-  enabled: Bool
-}
-
-// 🟢 TERMINAL provider-domain coproduct mirroring `AnthropicToolResultContent`
-// (`dsl/extdeps/llm/anthropic.dag`). Tuple carriers mirror v2 exactly so serde
-// untagged emission can map the JSON string vs JSON array alternatives without
-// inventing parallel record shapes on the v3 mirror.
-type AnthropicToolResultContent
-  = ToolResultText(String)
-  | ToolResultBlocks(List<AnthropicToolResultBlock>)
-
-// 🟡 SCAFFOLD mirroring `AnthropicToolResultBlock` (`dsl/extdeps/llm/anthropic.dag`).
-// Carries the same 🟡 rationale as v2: nested payload gaps on
-// `structural_coverage_gap_anthropic_tool_result_nested_block_wire_payloads`, not an
-// open-ended “API might add tags” dissolution story.
-//
-// Dissolution trigger: when v2 `dsl/extdeps/llm/anthropic.dag` promotes this coproduct
-// to 🟢 TERMINAL per the v2 comment on that declaration (residual rows closed + five-arm
-// discriminator surface terminalized there), update this mirror under
-// `anthropic_schema_lockstep_test` and re-tag 🟢; when v3 ingests v2 `anthropic.dag` with
-// full service/structural fidelity (#1246 / file-header dissolution above), this entire
-// twin file retires and this declaration deletes with it (ROADMAP.md “Provider/API mirror
-// multiplication risk” — T-Ground-Services ingestion replaces per-provider mirrors).
-//
-// Maintenance trigger (not dissolution): new top-level `tool_result.content[]` arm on
-// the wire → land the fold on v2 first, then extend this mirror lockstep.
-// Singleton wire tag — mirrors `AnthropicToolResultWireTextTag` (v2 authority).
-type AnthropicToolResultWireTextTag
-  = Text {}
-
-// Singleton — mirrors `AnthropicPlainTextDocumentMediaType` (v2 authority).
-type AnthropicPlainTextDocumentMediaType
-  = TextPlain {}
-
-// Nested `search_result.content[]` rows — wire carries fixed `type: "text"` + `text`.
-type AnthropicToolResultTextBlock {
-  type: AnthropicToolResultWireTextTag
-  text: String
-}
-
-type AnthropicToolResultBlock
-  = AnthropicTextBlock { text: String }
-  | AnthropicImageBlock { source: ImageSource }
-  | AnthropicDocumentBlock { source: AnthropicToolResultPlainTextDocumentSource }
-  | AnthropicSearchResultBlock {
-      source: String
-      title: String
-      content: List<AnthropicToolResultTextBlock>
-      citations: AnthropicSearchResultCitationsConfig?
-      cache_control: CacheControl?
-    }
-  | AnthropicToolReferenceBlock { tool_name: String }
-
-type AnthropicToolResultPlainTextDocumentSource {
-  type: AnthropicToolResultWireTextTag
-  media_type: AnthropicPlainTextDocumentMediaType
-  document_data: String // v2 wire label `data`; renamed — `data` is a v3 keyword.
-}
-
-// 🟢 TERMINAL provider-domain coproduct mirroring `AnthropicUserContentBlock`
-// (`dsl/extdeps/llm/anthropic.dag`). Tool-result content is optional on the
-// wire and, when present, is the explicit `AnthropicToolResultContent`
-// coproduct.
-type AnthropicUserContentBlock
-  = UserTextBlock       { text: String }
-  | UserToolResultBlock {
-      tool_use_id: String
-      content: AnthropicToolResultContent?
-      is_error: Bool?
-    }
-
-// 🟢 TERMINAL provider-domain coproduct mirroring `AnthropicAssistantContentBlock`
-// (`dsl/extdeps/llm/anthropic.dag:54-56`). Assistant rows emit either
-// text or tool-use requests; tool-result rows are user-side. `input: Json`
-// preserves the v2 source's opaque tool-input slot — kernel `Json` from
-// `dsl/std/types.dag:180` carries this without further structural
-// commitment in this mirror.
-type AnthropicAssistantContentBlock
-  = AssistantTextBlock    { text: String }
-  | AssistantToolUseBlock {
-      id: String
-      name: String
-      input: Json
-    }
-
-// 🟢 TERMINAL provider-domain enum mirroring `AnthropicStopReason`
-// (`dsl/extdeps/llm/anthropic.dag:127`). Closed Anthropic API enum;
-// dissolution-receipt rationale on the v2 source applies symmetrically
-// here (variant-is-data demotes it to free-form text; algebraic /
-// dimensional splits have no independent axes).
-type AnthropicStopReason
-  = EndTurn
-  | MaxTokens
-  | StopSequence
-  | ToolUse
-  | PauseTurn
-  | Refusal
-  | ModelContextWindowExceeded
-
-// 🟢 TERMINAL response coproduct mirroring `AnthropicMessages200Citation`
-// in `dsl/extdeps/llm/anthropic.dag`. Each citation variant carries only the
-// documented coordinates for that wire tag.
-type AnthropicMessages200Citation
-  = CharLocation { cited_text: String, document_index: Int, document_title: String?, file_id: String?, start_char_index: Int, end_char_index: Int }
-  | PageLocation { cited_text: String, document_index: Int, document_title: String?, file_id: String?, start_page_number: Int, end_page_number: Int }
-  | ContentBlockLocation { cited_text: String, document_index: Int, document_title: String?, file_id: String?, start_block_index: Int, end_block_index: Int }
-  | WebSearchResultLocation { cited_text: String, encrypted_index: String, title: String?, url: String }
-  | SearchResultLocation { cited_text: String, source: String, title: String?, search_result_index: Int, start_block_index: Int, end_block_index: Int }
-
-// 🟡 SCAFFOLD response coproduct mirroring `AnthropicMessages200ContentBlock`
-// in `dsl/extdeps/llm/anthropic.dag`. The wire rows are `type`-tagged
-// alternatives, not optional coordinates on a text record. The v2
-// `MessagesRedactedThinkingBlock.data` label is mirrored as `redacted_data`
-// because `data` is a v3 keyword; the lockstep ratchet maps that single label.
-// Remaining JSON payload and typed-response projection blockers stay tracked on
-// the v2 source's `structural_coverage_gap_anthropic_messages_200_residual`.
-type AnthropicMessages200ContentBlock
-  = MessagesTextBlock { text: String, citations: List<AnthropicMessages200Citation>? }
-  | MessagesThinkingBlock { thinking: String, signature: String }
-  | MessagesRedactedThinkingBlock { redacted_data: String }
-  | MessagesToolUseBlock { id: String, name: String, input: Json, caller: Json? }
-  | MessagesServerToolUseBlock { id: String, name: AnthropicServerToolName, input: Json, caller: Json? }
-  | MessagesWebSearchToolResultBlock { tool_use_id: String, content: Json, caller: Json? }
-
-// 🟡 SCAFFOLD provider-domain enum mirroring `AnthropicServerToolName` in
-// `dsl/extdeps/llm/anthropic.dag`. Per-tool input payload typing remains
-// tracked by the v2 residual row.
-type AnthropicServerToolName
-  = WebSearch
-  | WebFetch
-  | CodeExecution
-  | BashCodeExecution
-  | TextEditorCodeExecution
-  | ToolSearchToolRegex
-  | ToolSearchToolBm25
-  | Advisor
-
-// 🟢 TERMINAL provider-domain enum mirroring `AnthropicMessages200ServiceTier`
-// in `dsl/extdeps/llm/anthropic.dag`. The response usage field is a closed
-// Anthropic string domain, so the mirror keeps it typed instead of free-form.
-type AnthropicMessages200ServiceTier
-  = Standard
-  | Priority
-  | Batch
-
-// 🟢 TERMINAL response sub-record mirroring `AnthropicMessages200Usage`
-// in `dsl/extdeps/llm/anthropic.dag`.
-type AnthropicMessages200Usage {
-  input_tokens:                Int
-  output_tokens:               Int
-  cache_creation_input_tokens: Int?
-  cache_read_input_tokens:     Int?
-  service_tier:                AnthropicMessages200ServiceTier?
-}
-
-// 🟢 TERMINAL provider-domain singleton for the Anthropic Messages 200 response
-// role slot. The v2 authority also carries this slot as `AnthropicMessages200Role`;
-// this v3 typed-wire mirror stays lockstep while natural snake-case enum
-// serialization maps `Assistant` to the required wire string `"assistant"`.
-type AnthropicMessages200Role
-  = Assistant
-
-// 🟢 TERMINAL response envelope mirroring `AnthropicMessages200Body`
-// (`dsl/extdeps/llm/anthropic.dag:135-144`). Field set matches the
-// Anthropic Messages 200 response per the v2 authority comment;
-// extension fields beyond what's mirrored here remain gap-carried at
-// the source. `stop_sequence: String?` preserves the optional shape.
-type AnthropicMessages200Body {
-  id:            String
-  type:          String
-  role:          AnthropicMessages200Role
-  content:       List<AnthropicMessages200ContentBlock>
-  model:         String
-  stop_reason:   AnthropicStopReason
-  stop_sequence: String?
-  usage:         AnthropicMessages200Usage
-  container:     Json?
-}
diff --git a/src/v3/std/approximate_field.dag b/src/v3/std/approximate_field.dag
deleted file mode 100644
index 1b21028045c..00000000000
--- a/src/v3/std/approximate_field.dag
+++ /dev/null
@@ -1,79 +0,0 @@
-// v3.std.approximate_field - typed axes + parametric carrier for approximate reals.
-//
-// Authority: docs/design-numeric-construction.md §5 and
-// docs/audit/t-numeric-construction-approximate-field-6q.md (slice plan).
-//
-// Landed axes precursor (#1427): rounding / precision / special-value policy
-// terminals. **Carrier slice (this file):** `SpecialValues` + `ApproximateField<F>`
-// per 6Q §“Recommended substrate shape”. **`Real`** binds `F :=
-// FieldOfFractions<Int>` in `dsl/std/float.dag` per Option A in
-// `docs/audit/t-numeric-construction-approximate-field-real-parameter-stop.md`.
-// Float migration, target mirrors, and tolerance/equivalence behavior remain
-// follow-on slices.
-
-module v3.std.approximate_field
-
-import std.algebra { Field }
-import std.integer { PositiveInt }
-
-// 🟢 TERMINAL at approximate-arithmetic policy scope. Rounding behavior is a
-// program-visible fact, and these modes are the durable closed policy axis;
-// target groundings cannot smuggle policy through strings or defaults.
-type RoundingMode
-  = ToNearestEven
-  | ToZero
-  | ToPositiveInfinity
-  | ToNegativeInfinity
-  | ToAwayFromZero
-
-// 🟢 TERMINAL at precision-axis scope. Precision is structural, not a
-// target-name tag like "f64". Binary precision names significand and exponent
-// width separately; total IEEE width alone is too compressed for later
-// grounding and equivalence policy.
-type Precision
-  = Unbounded
-  | BinaryPrecision { significand_bits: PositiveInt, exponent_bits: PositiveInt }
-  | DecimalPrecision { digits: PositiveInt, exponent_digits: PositiveInt }
-
-// 🟢 TERMINAL at special-value policy scope. NaN support is an independent
-// closed policy axis; `ApproximateField<F>` aggregates it through `SpecialValues`
-// without adding policy vocabulary beyond these terminals.
-type NanPolicy = NoNaN | QuietNaN | QuietAndSignalingNaN
-
-// 🟢 TERMINAL at special-value policy scope. Infinity support is an independent
-// closed policy axis; `ApproximateField<F>` aggregates it through `SpecialValues`
-// without adding policy vocabulary beyond these terminals.
-type InfinityPolicy = NoInfinity | SignedInfinity
-
-// 🟢 TERMINAL at special-value policy scope. Signed-zero support is an
-// independent closed policy axis; `ApproximateField<F>` aggregates it through
-// `SpecialValues` without adding policy vocabulary beyond these terminals.
-type SignedZeroPolicy = NoSignedZero | SignedZero
-
-// 🟢 TERMINAL at subnormal/denormal policy scope. Underflow behavior is an
-// independent closed policy axis; `ApproximateField<F>` carries it as
-// `subnormal_policy` — separate from `SpecialValues` per 6Q (denormal policy
-// is underflow semantics, not merely “admits subnormals”).
-type SubnormalPolicy = NoSubnormals | GradualUnderflow | FlushToZero
-
-// Closed record aggregating the three orthogonal special-value policy axes (NaN,
-// infinity, signed zero). Subnormal/denormal policy stays a separate field on
-// `ApproximateField<F>` per 6Q — it affects underflow behavior, not merely
-// presence of exceptional values.
-type SpecialValues {
-  nan: NanPolicy
-  infinity: InfinityPolicy
-  signed_zero: SignedZeroPolicy
-}
-
-// Approximate field over an **exact** field algebra `Field<F>` where `F` is the
-// same carrier type parameter as in `dsl/std/algebra.dag`'s `Field<T>`.
-//
-// Observable approximation policies are structural (no target-string tags).
-type ApproximateField<F> {
-  base: Field<F>
-  rounding: RoundingMode
-  precision: Precision
-  special_values: SpecialValues
-  subnormal_policy: SubnormalPolicy
-}
diff --git a/src/v3/std/bin_shim.dag b/src/v3/std/bin_shim.dag
deleted file mode 100644
index b7f4cdeffdf..00000000000
--- a/src/v3/std/bin_shim.dag
+++ /dev/null
@@ -1,23 +0,0 @@
-// v3.std.bin_shim - carrier for .dag-authored binary shims.
-//
-// Authority: docs/design-pb-runtime-interpreter.md sections 4.2 and 5.4.
-// Concrete per-binary declarations are PB-owned rows under
-// `dsl/std/runtime/bin_shims/`; this file owns only the substrate carrier
-// shape that those rows inhabit.
-
-module v3.std.bin_shim
-
-import std.types { NonEmptyStr }
-import v3.spec.v3_l1 { DeclarationRef }
-
-// 🟢 TERMINAL at BinShim carrier-introduction scope. A bin-shim is metadata
-// plus a pointer to a .dag entry function, not a separate pipeline DSL.
-// `entry` remains a plain `DeclarationRef` until the substrate can express
-// `DeclarationRef<fn () -> std.process.ProcessExit>`; `ProcessExit` itself is
-// already declared by `dsl/std/process.dag` and is intentionally not mirrored
-// here.
-type BinShim {
-  entrypoint_name: NonEmptyStr
-  description: String
-  entry: DeclarationRef
-}
diff --git a/src/v3/std/bootstrap_authority.dag b/src/v3/std/bootstrap_authority.dag
deleted file mode 100644
index 684ef710458..00000000000
--- a/src/v3/std/bootstrap_authority.dag
+++ /dev/null
@@ -1,104 +0,0 @@
-module v3.std.bootstrap_authority
-
-// Generalized bootstrap authority membership for the committed full bootstrap
-// snapshot. This is the substrate prerequisite for Verification row 82
-// (`diagnostics_empty_after_bootstrap`): Verification should consume the
-// `bootstrap_authority` map rather than re-deriving bootstrap membership from
-// Rust fixture arrays or source globs.
-//
-// This carrier intentionally records membership only. It does not define the
-// bootstrap process, load ordering, diagnostics policy, or row-82 TestClaim.
-
-// 🟢 TERMINAL at current bootstrap membership scope. These categories are
-// the five distinct source roots the committed bootstrap snapshot is built
-// from today. The path itself is the `BootstrapAuthoritySet` map key; variants
-// carry no duplicate path payload, so there is no second path slot that can
-// contradict the key. If a future bootstrap root appears, this coproduct must
-// grow in the same PR as the authority row and ratchet.
-type BootstrapAuthority
-  = StdAuthority
-  | V3StdAuthority
-  | V3SpecAuthority
-  | CompilerAuthority
-  | ExtdepsFixtureAuthority
-
-// Map key is the canonical path and gives the set duplicate-free membership
-// semantics. The value classifies the key's authority root without carrying a
-// duplicate path payload.
-type BootstrapAuthoritySet = Map<String, BootstrapAuthority>
-
-data bootstrap_authority: BootstrapAuthoritySet = {
-  "dsl/std/logic.dag": StdAuthority,
-  "dsl/std/bit.dag": StdAuthority,
-  "dsl/std/error_primitives.dag": StdAuthority,
-  "dsl/std/algebra.dag": StdAuthority,
-  "dsl/std/magnitude.dag": StdAuthority,
-  "dsl/std/machine_constraints.dag": StdAuthority,
-  "dsl/std/nat.dag": StdAuthority,
-  "dsl/std/integer.dag": StdAuthority,
-  "dsl/std/rational.dag": StdAuthority,
-  "dsl/std/float.dag": StdAuthority,
-  "dsl/std/types.dag": StdAuthority,
-  "dsl/std/string_type.dag": StdAuthority,
-  "dsl/std/unicode.dag": StdAuthority,
-  "dsl/std/render_repeat_string_bootstrap.dag": StdAuthority,
-  "dsl/std/methods.dag": StdAuthority,
-  "dsl/std/serialization.dag": StdAuthority,
-
-  "src/v3/std/algebra.dag": V3StdAuthority,
-    "src/v3/std/anthropic_messages.dag": V3StdAuthority,
-    "src/v3/std/anthropic_operations.dag": V3StdAuthority,
-    "src/v3/std/anthropic_schema.dag": V3StdAuthority,
-    "src/v3/std/approximate_field.dag": V3StdAuthority,
-    "src/v3/std/bin_shim.dag": V3StdAuthority,
-    "src/v3/std/bootstrap_authority.dag": V3StdAuthority,
-    "src/v3/std/bridge_ledger.dag": V3StdAuthority,
-    "src/v3/std/clean_emission.dag": V3StdAuthority,
-    "src/v3/std/computation.dag": V3StdAuthority,
-    "src/v3/std/computation_model.dag": V3StdAuthority,
-    "src/v3/std/coproduct_projection.dag": V3StdAuthority,
-    "src/v3/std/cross_target_coverage.dag": V3StdAuthority,
-    "src/v3/std/diagnostics.dag": V3StdAuthority,
-    "src/v3/std/dimensions.dag": V3StdAuthority,
-    "src/v3/std/effects.dag": V3StdAuthority,
-    "src/v3/std/emission_provenance.dag": V3StdAuthority,
-    "src/v3/std/emit_model.dag": V3StdAuthority,
-    "src/v3/std/extdeps_bootstrap_fixtures.dag": V3StdAuthority,
-    "src/v3/std/go_method_template_contracts.dag": V3StdAuthority,
-    "src/v3/std/induction.dag": V3StdAuthority,
-    "src/v3/std/integer_diagnostic_order.dag": V3StdAuthority,
-    "src/v3/std/lens.dag": V3StdAuthority,
-    "src/v3/std/lens_application.dag": V3StdAuthority,
-    "src/v3/std/list.dag": V3StdAuthority,
-    "src/v3/std/lookup.dag": V3StdAuthority,
-    "src/v3/std/methods.dag": V3StdAuthority,
-    "src/v3/std/parse_surface.dag": V3StdAuthority,
-    "src/v3/std/python_method_template_contracts.dag": V3StdAuthority,
-    "src/v3/std/resources.dag": V3StdAuthority,
-    "src/v3/std/runtime.dag": V3StdAuthority,
-    "src/v3/std/rust_method_template_contracts.dag": V3StdAuthority,
-    "src/v3/std/services.dag": V3StdAuthority,
-    "src/v3/std/substrate.dag": V3StdAuthority,
-    "src/v3/std/substrate_minimal.dag": V3StdAuthority,
-    "src/v3/std/termination.dag": V3StdAuthority,
-    "src/v3/std/timing_lens.dag": V3StdAuthority,
-    "src/v3/std/t_ci_workflow_as_data_demo.dag": V3StdAuthority,
-    "src/v3/std/tokenize.dag": V3StdAuthority,
-    "src/v3/std/verification.dag": V3StdAuthority,
-    "src/v3/std/workflows.dag": V3StdAuthority,
-
-    "src/v3/spec/v3_l1.dag": V3SpecAuthority,
-    "src/v3/spec/go.dag": V3SpecAuthority,
-    "src/v3/spec/python.dag": V3SpecAuthority,
-    "src/v3/spec/rust.dag": V3SpecAuthority,
-
-    "src/v3/compiler/pipeline.dag": CompilerAuthority,
-    "src/v3/compiler/operators.dag": CompilerAuthority,
-    "src/v3/compiler/regen.dag": CompilerAuthority,
-
-    "dsl/extdeps/languages/rust/primitives.dag": ExtdepsFixtureAuthority,
-    "dsl/extdeps/cron/schedule_model.dag": ExtdepsFixtureAuthority,
-    "dsl/extdeps/github/github.dag": ExtdepsFixtureAuthority,
-    "dsl/extdeps/github/actions.dag": ExtdepsFixtureAuthority,
-    "dsl/extdeps/github/ci.dag": ExtdepsFixtureAuthority
-}
diff --git a/src/v3/std/bridge_ledger.dag b/src/v3/std/bridge_ledger.dag
deleted file mode 100644
index d756cf9a816..00000000000
--- a/src/v3/std/bridge_ledger.dag
+++ /dev/null
@@ -1,175 +0,0 @@
-module v3.std.bridge_ledger
-
-import std.list { List }
-import v3.spec.v3_l1 { DeclarationRef }
-
-// T-Verification-BridgeLedger — substrate ledger for bridge-retirement
-// rows that the `BridgeLedgerZero` `.dag` `TestClaim` (Verification-owned)
-// folds. **This file is the substrate authority** for the rows + their
-// retirement status; no parallel Rust `Vec` or test-side table.
-//
-// `docs/r3-structure.md:79-83` is the prose taxonomy that names these
-// five bridges and gives lane-level context, but it is not the
-// authority for the row's *status*: the per-row `authority` field
-// below points at the concrete code/PR ratchet that establishes each
-// row's `Retired` / `Open` verdict. When a row's authority pointer
-// reports zero residual, the row flips to `Retired`; the prose doc
-// updates downstream as a narrative derivation. The meta row
-// `bridge_retirement_ledger_zero` from `r3-structure.md:84` is the
-// Verification-side fold's verdict, not a row in the ledger; it
-// reads THIS list and reports zero-residual against the `Open`
-// predicate.
-//
-// **Status discipline.** `BridgeStatus` is a closed coproduct, not a
-// stringly enum: every row's status is `Retired` or `Open` by
-// construction, so the Verification fold is a structural partition, not
-// a name-matching parser. New retirement states (e.g. partial /
-// in-progress) require an explicit substrate amendment that lands here
-// before the fold can read them — same modeling-discipline shape as
-// other closed-coproduct status surfaces in `std`.
-//
-// **Per-row status rationale (current state @ HEAD):**
-//   - `bridge_source_span_file_participation_retired` — Open. Per
-//     `r3-structure.md:79`: "the gate is not satisfied; partial
-//     string-check retirement was rejected because parallel
-//     participation rules would remain." Concrete prerequisites cited
-//     (module/compilation-unit identity for lens reflection; typed
-//     authority/emit-scope carriers for lower/emit; lens-fold file-path
-//     semantics in ROADMAP).
-//   - `bridge_mark_bootstrap_secret_nominal_opacity_retired` — Retired.
-//     Per `r3-structure.md:80`: "name-keyed bootstrap bridge from #937
-//     deleted; nominal-opacity authority lives in source-level
-//     declaration (PR A landed in R2)."
-//   - `bridge_canonical_lens_name_dispatch_pr1183_slice_retired` —
-//     Retired. Narrow PR #1183 slice: lens dispatch routes via
-//     `DeclarationRef`/typed identity; ratcheted by
-//     `canonical_lens_bridge_ratchet_test.rs`.
-//   - `bridge_canonical_lens_name_patching_residual` — Retired.
-//     `test_runner.rs` no longer carries the canonical-lens `include_str!`
-//     byte authorities, `lens_decl.name.as_deref()` dispatch arms, or
-//     generic name-keyed lens lookup; the zero-residual ratchet is
-//     `canonical_lens_bridge_ratchet_test.rs`.
-//   - `bridge_include_str_side_channels_retired` — Retired for the
-//     pipeline-authority slice. The active `pipeline.dag` compile-time
-//     source embed under `src/v3/compiler/` has been replaced by a
-//     structural bootstrap witness over `PipelineStageBinding`, and the
-//     integration ratchet forbids reintroducing `include_str!` of
-//     `pipeline.dag` under the compiler crate. `fn compile` still
-//     lowers as `ArrowBody::Unparsed`; the retired row therefore means
-//     no source-text side channel remains for this authority path, not
-//     that compile-body drift is structurally checkable.
-//   - `bridge_exact_string_patching_residual_retired` — Retired. PB
-//     Tier-2 lower-helper generated-Rust exact-string patch class
-//     (#1014 / #1192 lineage): zero residual ratcheted by
-//     `bridge_lower_helpers_patch_zero_residual_test.rs`.
-//   - `bridge_exact_string_semantic_patching_residual` — Open. Row-4
-//     semantic exact-string patching outside the retired lower-helper
-//     slice (kernel `Bool` → `BooleanAlgebra<Bool>`: wiring is still
-//     host-side, gated on `BootstrapAuthorityKey::for_kernel_bool().path()`
-//     in `lower.rs` + `bootstrap.rs::ensure_kernel_bool_lane1e2b_bootstrap_witness`
-//     until direct `type Bool inhabits … =` authoring lands in `dsl/`;
-//     other Row-4 classes remain, e.g. BR-06 sentinel splice,
-//     infer-helper-driven rewrite classes per
-//     `docs/briefs/r3-v-bridge-row-4-exact-string-deeper-detail-receipt.md`).
-
-// 🟢 TERMINAL. Closed retirement-state coproduct for ledger rows. Two
-// states are sufficient at this scope: a bridge has either landed its
-// retirement receipt (`Retired`) or it has not (`Open`). Partial /
-// in-progress states are deliberately not modeled here — the doc
-// authority's "open with prerequisites" framing collapses to `Open`
-// because the predicate the Verification fold cares about ("is this
-// bridge fully retired?") is the binary condition, and richer state
-// would invite drift between row-level and predicate-level semantics.
-// Adding states later requires an explicit substrate amendment.
-type BridgeStatus
-  = Retired
-  | Open
-
-// 🟡 TRANSITIONAL at PR-α scope. Typed wrapper around `DeclarationRef`
-// whose target is the canonical `bridge_ledger` declaration in this
-// file. Mirrors `MethodRef` (`src/v3/std/methods.dag:31`) /
-// `CallableRef` (`src/v3/std/services.dag:98`) — same wrapper
-// discipline, same #1175 substrate-gap classification: the inner
-// `decl` still admits any `DeclarationRef` at the type level
-// (refinement-typing on `DeclarationRef` has not landed), with the
-// canonical-identity check enforced fail-closed at the runner /
-// claim-load boundary in `eval_bridge_ledger_zero` (see
-// `src/v3/compiler/src/test_runner.rs`). The named wrapper makes the
-// ledger-target intent structural at the field-type level instead
-// of leaving it as an inline comment on a bare `DeclarationRef` in
-// `TestPredicate::BridgeLedgerZero`. Dissolution trigger: the same
-// #1175 refinement-typing landing that retires `MethodRef` /
-// `CallableRef` retires this wrapper.
-type BridgeLedgerRef {
-  decl: DeclarationRef
-}
-
-// 🟢 TERMINAL at PR-α scope. Single ledger row. Field set matches the
-// dispatch contract `{ name, owner, status, authority }`:
-//   - `name`: stable identifier matching `r3-structure.md`'s row name.
-//   - `owner`: the lane/manager responsible for the row's retirement
-//     (e.g. `R3`, `R2-Substrate`, `pipeline_authority`).
-//   - `status`: the closed `BridgeStatus` coproduct above.
-//   - `authority`: pointer at the canonical record of the row's status
-//     (typically a `docs/r3-structure.md` heading anchor or PR
-//     reference); the Verification fold treats this as opaque
-//     provenance metadata, not a parseable URL.
-type BridgeLedgerRow {
-  name:      String
-  owner:     String
-  status:    BridgeStatus
-  authority: String
-}
-
-// Canonical bridge-retirement rows. Authoring order follows
-// `docs/r3-structure.md:79-83`; split rows enumerate sub-classes when
-// one prose bridge has both a retired slice and a remaining residual.
-// Per-row `authority` points at the
-// concrete ratchet (test, PR, gating doc-anchor) that establishes
-// the row's status — not a generic taxonomy heading. Status flips
-// from `Open` to `Retired` are gated on the named ratchet reaching
-// zero residual.
-data bridge_ledger: List<BridgeLedgerRow> = [
-  {
-    name:      "bridge_source_span_file_participation_retired",
-    owner:     "R3",
-    status:    Open,
-    authority: "ROADMAP.md#lens-fold-file-path-semantics"
-  },
-  {
-    name:      "bridge_mark_bootstrap_secret_nominal_opacity_retired",
-    owner:     "R2-Substrate",
-    status:    Retired,
-    authority: "PR #937"
-  },
-  {
-    name:      "bridge_canonical_lens_name_dispatch_pr1183_slice_retired",
-    owner:     "R2-Substrate",
-    status:    Retired,
-    authority: "src/v3/compiler/tests/integration/canonical_lens_bridge_ratchet_test.rs"
-  },
-  {
-    name:      "bridge_canonical_lens_name_patching_residual",
-    owner:     "PB-Runtime",
-    status:    Retired,
-    authority: "docs/briefs/r3-pb-bridge-canonical-lens-name-dispatch-closure.md"
-  },
-  {
-    name:      "bridge_include_str_side_channels_retired",
-    owner:     "pipeline_authority",
-    status:    Retired,
-    authority: "src/v3/compiler/tests/integration/l1_5_fixed_point_test.rs"
-  },
-  {
-    name:      "bridge_exact_string_patching_residual_retired",
-    owner:     "PB-Tier-2",
-    status:    Retired,
-    authority: "src/v3/compiler/tests/integration/bridge_lower_helpers_patch_zero_residual_test.rs"
-  },
-  {
-    name:      "bridge_exact_string_semantic_patching_residual",
-    owner:     "PB-Runtime",
-    status:    Open,
-    authority: "docs/briefs/r3-v-bridge-row-4-exact-string-deeper-detail-receipt.md"
-  }
-]
diff --git a/src/v3/std/clean_emission.dag b/src/v3/std/clean_emission.dag
deleted file mode 100644
index 5013ccf4e1d..00000000000
--- a/src/v3/std/clean_emission.dag
+++ /dev/null
@@ -1,146 +0,0 @@
-module v3.std.clean_emission
-
-import std.list { List }
-import v3.std.emit_model { LanguageSpec }
-
-// 🟢 TERMINAL. Per-target emission invariant (E-5). Every rule in
-// this contract must be satisfied by construction — emitted code
-// passes the target's declared verifier without modification. No
-// post-emission cleanup, no `#[allow(...)]` / `# noqa` / pragma
-// suppression. The contract GROWS by adding typed rules when new
-// warning categories surface; it does NOT grow by admitting
-// suppression. See INVARIANTS.md §E-5 and DB-4 for the full table.
-type CleanEmissionContract {
-  expression_wrapping: ExpressionWrappingRule
-  pattern_bindings: PatternBindingRule
-  variant_payload_field_access: VariantPayloadFieldAccessRule
-  imports: ImportRule
-  block_return: BlockReturnRule
-  variable_bindings: VariableBindingRule
-  match_arm_body: MatchArmBodyRule
-  correction_style: CorrectionStyle
-  post_emit_verifier: PostEmitVerifier
-}
-
-// 🟡 SCAFFOLD. Single authority tying a target `LanguageSpec` to the
-// `CleanEmissionContract` that governs emitted-source hygiene for
-// that language. Bootstrap scans these bindings structurally, so
-// adding a new target is one more spec data item rather than a new
-// compiler-side branch.
-//
-// Not terminal yet: both edges are still `DeclarationRef`, so the
-// compiler still must reject duplicate bindings at load time.
-// `language` and `clean_emission` are typed strongly enough that the
-// lowerer carries only `LanguageSpec`/`CleanEmissionContract`
-// references forward; the remaining scaffold debt is uniqueness, not
-// field typing. Dissolution trigger: replace the runtime duplicate
-// check with a substrate shape that makes "two bindings for one
-// language" structurally illegal.
-type TargetCleanEmissionBinding {
-  language: LanguageSpec
-  clean_emission: CleanEmissionContract
-}
-
-// 🟢 TERMINAL. Governs wrapping of expressions with precedence
-// parentheses (rustc's `unused_parens`). `WrapEverything` is the
-// pre-E-5 default and is rejected by the invariant when the target
-// is precedence-capable — it's kept as a variant only so early
-// targets could be represented before they migrate to the correct
-// rule.
-type ExpressionWrappingRule
-  = WrapEverything
-  | WrapOnlyInOperandPosition
-  | NoWrapping
-
-// 🟢 TERMINAL. Governs how a payload binding in a match arm is
-// emitted when the arm body does not reference it (rustc's
-// `unused_variables` in match arms). `NotApplicable` covers targets
-// without structural pattern matching.
-type PatternBindingRule
-  = EmitBindingAlways
-  | EmitUnderscoreWhenUnused
-  | EmitPrefixedUnderscoreWhenUnused
-  | NotApplicablePatternBinding
-
-// 🟢 TERMINAL. Governs how a match-arm payload binding answers
-// downstream field projections (`payload.head`, `payload.count`)
-// after the arm has introduced the payload-binding port.
-//
-// `AccessFromPayloadBinding` means the binding expression itself is a
-// whole payload carrier whose fields can be projected directly by the
-// target emitter (`v.head`, `__match.count`).
-//
-// `OverrideNamedFieldsAtBindingSite` means named payload fields cannot
-// be projected off the bound payload value in the target surface, so
-// the emitter must install per-field bindings at the match site and
-// route later `payload.field` reads through those bindings instead.
-type VariantPayloadFieldAccessRule
-  = AccessFromPayloadBinding
-  | OverrideNamedFieldsAtBindingSite
-
-// 🟢 TERMINAL. Governs which declared imports make it into the
-// emitted module (rustc's `unused_imports`).
-type ImportRule
-  = ImportEverythingDeclared
-  | IncludeOnlyReferenced
-  | ImportPerUsageSite
-
-// 🟢 TERMINAL. Governs the terminal expression of a block (rustc's
-// `unused_parens around block return value`).
-type BlockReturnRule
-  = WrapReturnValue
-  | NoWrappingOnTerminalExpression
-  | ExplicitReturnKeyword
-
-// 🟢 TERMINAL. Governs a `let`-binding whose identifier the body
-// does not reference (rustc's `unused_variables` at let-bindings).
-type VariableBindingRule
-  = EmitLetBindingAlways
-  | EmitLetUnderscoreWhenUnused
-  | OmitLetBinding
-
-// 🟢 TERMINAL. Governs wrapping of the arm body expression in a
-// match (rustc's `unused_parens around match arm expression`).
-// Go uses switch and renders arm bodies differently, so
-// `NotApplicable` is a legitimate choice.
-type MatchArmBodyRule
-  = WrapBody
-  | NoWrappingOnNonComplexBody
-  | NotApplicableMatchArmBody
-
-// 🟢 TERMINAL. Per-target rendering style used by diagnostic fix
-// generators that surface source-level corrections. DB-1's
-// `Correction` type consumes this to know how its inserted text
-// composes with the surrounding .dag source. Minimal shape here;
-// DB-1 may extend at the point its consumers land.
-type CorrectionStyle {
-  indent_unit: String
-  line_ending: String
-  string_quote: String
-  trailing_semicolon: Bool
-}
-
-// 🟢 TERMINAL. Declares the external verifier that validates
-// emitted source for this target. `syntax_only` distinguishes
-// shallow checks (gofmt, py_compile) from full compiles (rustc).
-// `expected_exit_code` and `output_policy` together define the
-// verifier's verdict semantics. Exit code alone is insufficient
-// for tools like `gofmt -l`, which report dirty files via stdout
-// while still exiting 0.
-type PostEmitVerifier {
-  command: String
-  args: List<String>
-  syntax_only: Bool
-  expected_exit_code: Int
-  output_policy: VerifierOutputPolicy
-}
-
-// 🟢 TERMINAL. Defines how verifier process output affects the
-// pass/fail verdict once `expected_exit_code` matched. Keeps
-// verifier-result semantics structural instead of hardcoding
-// tool-specific stdout/stderr rules in the harness.
-type VerifierOutputPolicy
-  = IgnoreVerifierOutput
-  | RequireEmptyStdout
-  | RequireEmptyStderr
-  | RequireEmptyStdoutAndStderr
diff --git a/src/v3/std/computation.dag b/src/v3/std/computation.dag
deleted file mode 100644
index cfafc29b6b4..00000000000
--- a/src/v3/std/computation.dag
+++ /dev/null
@@ -1,209 +0,0 @@
-// std.computation -- v3-staged computational lowering carriers.
-//
-// Bootstrap-staged mirror of `dsl/std/computation.dag` for Lane E-C. Keep
-// these carrier shapes and pure lowering helpers aligned while v2 still scans
-// `dsl/`. This file depends on Lane E-T's `std.termination` carriers.
-
-module std.computation
-
-import v3.std.substrate { Dag, NodeId, PortId }
-import std.termination {
-  DescentEvidence, DescentUnknown, Strict, NonIncreasing,
-  PositiveDescentAmount, OneStep, AdditionalStep,
-  ProportionalDivisor, DivideByTwo, StrictlyLarger,
-  positive_descent_count
-}
-import std.algebra {
-  AlgebraProfile, OrderedRingProfile, ApproximateFieldProfile,
-  BooleanAlgebraProfile, BooleanAlgebraCollectionProfile,
-  FreeMonoidScalarProfile, FreeMonoidCollectionProfile,
-  PartialFunctionProfile,
-  kernel_algebra_profile
-}
-
-// 🟡 MIXED coproduct — E-C `SizeBound` carrier. Dissolution: collapse `param` / `witness` /
-// `element` string bridges to structural size-parameter refs; `Forever` remains a terminal atom.
-// `ParserStreamSize` / `WorklistDrainSize` keep parser advance vs worklist drain distinct from
-// generic `CollectionSize` (P2 facts-flow-forward). Explicit repeat counts split zero vs
-// Peano-positive (no negative `Int` inhabitant).
-// PR-PreF: constant explicit counts project through Interval<Int>; symbolic size
-// parameters remain SizeBound until their refs become first-class.
-type SizeBound
-  = CollectionSize { param: String }
-  | ParserStreamSize { witness: String }
-  | WorklistDrainSize { element: String }
-  | TreeSize { param: String }
-  | ArithmeticParam { param: String }
-  | ExplicitCountZero
-  | ExplicitCountPositive { steps: PositiveDescentAmount }
-  | Forever
-
-fn tree_size_bound(param: String) -> SizeBound {
-  TreeSize { param: param }
-}
-
-// 🟡 MIXED coproduct — exhaustive call-shape classifier for `lower_call_pattern`. Dissolution:
-// replace `String` accessor / witness / element slots with structural refs; Peano shrink
-// payloads stay terminal (shared with `std.termination`).
-type CallPattern
-  = ChildAccessorCall { accessor: String }
-  | CollectionShrinkCall { amount: PositiveDescentAmount, collection: String }
-  | ArithmeticSubtractCall { steps: PositiveDescentAmount, ring_param: String }
-  | ArithmeticDivideCall { divisor: ProportionalDivisor, ring_param: String }
-  | ParserAdvanceCall { witness: String }
-  | WorklistDrainCall { element: String }
-  | FoldBodyCall { outer_collection: String }
-  | SameArgumentCall
-
-// E-P typed query over the per-call descent-evidence side table. The Rust
-// authority is `v3_compiler::dag::per_call_pattern_at`; lenses consume this
-// accessor rather than walking producer storage directly.
-fn per_call_pattern_at(d: Dag, call_site: NodeId) -> CallPattern? {
-  host per_call_pattern_at
-}
-
-// Operand port aligned with `per_call_pattern_at`; reads `Transform.inputs` at `call_site` from `d`.
-fn per_call_descent_operand_port(d: Dag, call_site: NodeId) -> PortId? {
-  host per_call_descent_operand_port
-}
-
-// 🟢 TERMINAL coproduct — shrink-rate witnesses aligned with `std.termination`. Dissolution: none
-// (structural `PositiveDescentAmount` / `ProportionalDivisor` already proof-grade).
-type ShrinkFactor
-  = UnitShrink
-  | ConstantShrink { steps: PositiveDescentAmount }
-  | ProportionalShrink { divisor: ProportionalDivisor }
-
-// 🟢 TERMINAL coproduct — `Fold` | `Descend` | `Repeat` lowering enum (Lane E-C). Dissolution:
-// none (kept in lockstep with `std.iteration` primitives).
-type IterationPrimitive
-  = Fold
-  | Descend
-  | Repeat
-
-// 🟡 MIXED record — product of the coproduct carriers above (not a coproduct itself).
-// Dissolution inherits from `SizeBound` / `CallPattern` / optional `ShrinkFactor` String bridges.
-type LoweringTarget {
-  primitive: IterationPrimitive
-  bound: SizeBound
-  evidence: DescentEvidence
-  factor: ShrinkFactor?
-}
-
-// `lower_call_pattern` forwards CallPattern `String` slots into the matching `SizeBound`
-// (`ParserStreamSize` / `WorklistDrainSize` keep parser vs worklist identity). No fabricated
-// labels. String bridges dissolve with structural refs (E-P).
-fn lower_call_pattern(pattern: CallPattern) -> LoweringTarget {
-  match pattern {
-    ChildAccessorCall { accessor: a } =>
-      LoweringTarget { primitive: Descend,
-        bound: TreeSize { param: a },
-        evidence: Strict, factor: none }
-
-    CollectionShrinkCall { amount: p, collection: c } =>
-      LoweringTarget { primitive: Fold,
-        bound: CollectionSize { param: c },
-        evidence: Strict,
-        factor: Some { value: ConstantShrink { steps: p } } }
-
-    ArithmeticSubtractCall { steps: p, ring_param: r } =>
-      LoweringTarget { primitive: Repeat,
-        bound: ArithmeticParam { param: r },
-        evidence: Strict,
-        factor: Some { value: ConstantShrink { steps: p } } }
-
-    ArithmeticDivideCall { divisor: d, ring_param: r } =>
-      LoweringTarget { primitive: Repeat,
-        bound: ArithmeticParam { param: r },
-        evidence: Strict,
-        factor: Some { value: ProportionalShrink { divisor: d } } }
-
-    ParserAdvanceCall { witness: w } =>
-      LoweringTarget { primitive: Fold,
-        bound: ParserStreamSize { witness: w },
-        evidence: Strict, factor: none }
-
-    WorklistDrainCall { element: e } =>
-      LoweringTarget { primitive: Fold,
-        bound: WorklistDrainSize { element: e },
-        evidence: Strict, factor: none }
-
-    FoldBodyCall { outer_collection: oc } =>
-      LoweringTarget { primitive: Fold,
-        bound: CollectionSize { param: oc },
-        evidence: NonIncreasing, factor: none }
-
-    SameArgumentCall =>
-      LoweringTarget { primitive: Repeat,
-        bound: Forever,
-        evidence: NonIncreasing, factor: none }
-  }
-}
-
-fn size_bound_param(bound: SizeBound) -> String? {
-  match bound {
-    TreeSize { param: p }       => Some { value: p }
-    CollectionSize { param: p } => Some { value: p }
-    ParserStreamSize { witness: w } => Some { value: w }
-    WorklistDrainSize { element: e } => Some { value: e }
-    ArithmeticParam { param: p } => Some { value: p }
-    ExplicitCountZero           => none
-    ExplicitCountPositive { steps: _ } => none
-    Forever                     => none
-  }
-}
-
-fn is_constant_bound(bound: SizeBound) -> Bool {
-  match bound {
-    ExplicitCountZero => true
-    ExplicitCountPositive { steps: _ } => true
-    Forever                => true
-    _                      => false
-  }
-}
-
-// Signed `Int` top iterate count (`i64::MAX`); matches `repeat(max_int)` cap.
-fn forever_iteration_bound() -> Int { 9223372036854775807 }
-
-// `none` when the bound is not constant (zero is `ExplicitCountZero`, not a named param).
-fn constant_bound_value(bound: SizeBound) -> Int? {
-  match bound {
-    ExplicitCountZero => Some { value: 0 }
-    ExplicitCountPositive { steps: s } => Some { value: positive_descent_count(s) }
-    Forever                    => Some { value: forever_iteration_bound() }
-    _                          => none
-  }
-}
-
-// =========================================================================
-// Type-directed iteration dimension (Lane E-C): algebra profile → bound kind
-// =========================================================================
-// 🟢 TERMINAL coproduct — E-C dissolution receipt: which symbolic bound class applies
-// when analyzing recursion through a kernel `AlgebraProfile` (complements
-// `IterationPrimitive`, which records what lowers, not which bound kind applies).
-type IterationDimension
-  = TreeDescent       // child accessor / tree-size descent
-  | CollectionFold    // collection-sized iteration (list, set, map keys, …)
-  | ArithmeticRepeat   // arithmetic-param / ordered-ring repeat bounds
-
-fn algebra_profile_to_dimension(profile: AlgebraProfile) -> IterationDimension? {
-  match profile {
-    FreeMonoidCollectionProfile     => Some { value: CollectionFold }
-    FreeMonoidScalarProfile         => Some { value: CollectionFold }
-    BooleanAlgebraCollectionProfile => Some { value: CollectionFold }
-    PartialFunctionProfile          => Some { value: CollectionFold }
-    OrderedRingProfile              => Some { value: ArithmeticRepeat }
-    ApproximateFieldProfile         => Some { value: ArithmeticRepeat }
-    BooleanAlgebraProfile           => none
-  }
-}
-
-fn type_iteration_dimension(type_name: String) -> IterationDimension? {
-  if type_name == "Node" { Some { value: TreeDescent } }
-  else {
-    match kernel_algebra_profile |> get(type_name) {
-      Some { value: p } => algebra_profile_to_dimension(profile: p)
-      None => none
-    }
-  }
-}
diff --git a/src/v3/std/computation_model.dag b/src/v3/std/computation_model.dag
deleted file mode 100644
index f9f63c8a59d..00000000000
--- a/src/v3/std/computation_model.dag
+++ /dev/null
@@ -1,112 +0,0 @@
-module v3.std.computation_model
-
-// Source-side facts: .dag's own computation model
-
-// 🟢 TERMINAL. The two-way mutability split is a durable substrate
-// classification. .dag is Immutable by construction; targets that
-// allow Mutable values (Java, Python, Rust) carry that fact so the
-// emitter can decide cloning/borrowing strategy.
-type Mutability
-  = Immutable
-  | Mutable
-
-// 🟢 TERMINAL. Purity classifies whether a function/expression has
-// observable side effects. .dag-native code is Pure; effect-bearing
-// targets carry Effectful so future effect-aware emission can
-// dispatch.
-type Purity
-  = Pure
-  | Effectful
-
-// 🟢 TERMINAL. Whether the language guarantees its program form is a
-// DAG (no implicit dependencies, no shared mutable state across
-// statements) or admits arbitrary control/data structure. Durable
-// distinction; .dag is ExplicitDAG by construction.
-type Structure
-  = ExplicitDAG
-  | Arbitrary
-
-// 🟢 TERMINAL. Whether the language statically bounds iteration
-// (decidable termination) or admits unbounded loops. .dag is
-// Bounded by INVARIANTS.md decidability rule; targets carry their
-// own value.
-type Iteration
-  = Bounded
-  | Unbounded
-
-// 🟢 TERMINAL. Bundles the four source/target axes into a single
-// record. The four axes are durable because each names a structural
-// dimension along which source and target languages differ.
-type ComputationModel {
-  mutability: Mutability
-  purity: Purity
-  structure: Structure
-  iteration: Iteration
-}
-
-data dag_model: ComputationModel = {
-  mutability: Immutable
-  purity: Pure
-  structure: ExplicitDAG
-  iteration: Bounded
-}
-
-// Target-side facts: each emission target's execution model
-
-// 🟢 TERMINAL. Closed enumeration of memory-management substrates a
-// target language can sit in. The four categories are irreducible:
-// ValueOnly (no heap, eg pure-data formats), GarbageCollected
-// (Python/Go/Java), RefCounted (Swift/Python-via-cycle-collector),
-// OwnershipBased (Rust). Targets land in exactly one.
-type MemoryModel
-  = ValueOnly
-  | GarbageCollected
-  | RefCounted
-  | OwnershipBased
-
-// 🟢 TERMINAL. The lexical-vs-dynamic scoping split is a durable
-// distinction in target language design. Most modern targets are
-// LexicalScoping; older Lisps and shell are DynamicScoping. Held
-// here so future targets can declare their value structurally.
-type ScopeModel
-  = LexicalScoping
-  | DynamicScoping
-
-// 🟢 TERMINAL. Pairs the two target-side axes. Each emission target
-// instantiates this record once via `data <target>_execution_model`.
-type TargetExecutionModel {
-  memory: MemoryModel
-  scope: ScopeModel
-}
-
-// 🟢 TERMINAL. The walker needs a single source-exclusion policy so
-// target emitters stop hardcoding bootstrap/internal file prefixes.
-type SourceFiltering {
-  excluded_prefixes: List<String>
-}
-
-// Shape-A emit targets share `internal_source_filtering` for the
-// invariant internal/bootstrap prefix set; target-only prefixes (e.g.
-// `src/v3/compiler/` for Rust/Go declaration walks) append here so the
-// base list is not forked across `rust.dag` / `go.dag` / `python.dag`.
-type ShapeATargetSourceFiltering {
-  internal: SourceFiltering
-  additional_excluded_prefixes: List<String>
-}
-
-data internal_source_filtering: SourceFiltering = {
-  excluded_prefixes: [
-    "dsl/std/",
-    "dsl/extdeps/",
-    "src/v3/std/",
-    "src/v3/spec/",
-  ]
-}
-
-// 🟡 PHASE 2 PREP. Coarser-than-MemoryModel summary of whether a
-// target takes the ownership-sensitive render path or the GC/value
-// path. Added for Lane 1e PR-2.1; the current emitters still read the
-// richer `TargetExecutionModel` until the walker consumes this row.
-type ExecutionModelRequirement
-  = OwnershipBased
-  | GarbageCollected
diff --git a/src/v3/std/coproduct_projection.dag b/src/v3/std/coproduct_projection.dag
deleted file mode 100644
index 08216a66e91..00000000000
--- a/src/v3/std/coproduct_projection.dag
+++ /dev/null
@@ -1,191 +0,0 @@
-// v3.std.coproduct_projection — Variant-aware projection metadata
-// carrier for coproduct response bodies.
-//
-// Substrate-fact-introduction (P1 procedure) per
-// `docs/briefs/r3-substrate-s5-coproduct-projection-carrier-worker.md`,
-// Director γ-ratification at gunb-ai/gunbc#828 c#4394369848. Closure
-// predicate: §1.8 gates #29-#30 (T-Anthropic-Wire). Unblocks Anthropic
-// Messages #1702 re-dispatch + the three already-briefed coproduct
-// paydowns (`r3-coproduct-{1,2,3}-*-worker.md`).
-//
-// **Layering**: compiler-internal projection substrate, NOT user-facing
-// language vocabulary. Contrast `dsl/std/serialization.dag::CoproductWireContract`
-// which lives in `dsl/std/` because users declare wire contracts.
-// `CoproductProjection` is consumed by the projection-resolver during
-// REST-response coproduct dispatch — the `from`-path resolver reads
-// this carrier instead of a `response_variant_tag: String` shim.
-//
-// **Single-keyed-fact discipline (P2 boundary)**: per-variant payload +
-// tag-value live as one keyed fact (`CoproductVariantProjection`), not
-// two parallel maps. A variant cannot have a field projection without a
-// wire-tag value or vice versa — illegal-state-by-construction.
-//
-// **Path-(a) shape decision** (Director ratified #4400354502 over (b)
-// `FieldRef` introduction): `wire_tag_field: String`, with structural
-// identity carried by the `Map<VariantId, CoproductVariantProjection>`
-// key invariant + per-variant typed `WireTagValue`. Aligns with the
-// `services.dag:28-36` precedent that explicitly rejects parallel
-// field-handle wrappers ("`InputFieldRef` … would duplicate without
-// strengthening the structural invariant"). Fail-closed boundary
-// check at fixture load validates `wire_tag_field` names a real field
-// on the coproduct's variant payloads.
-//
-// **DeclarationRef debt — unrefined-any-declaration handle** (codex
-// BLOCKING-driven retitle from Director observation #1's original
-// String-alias disposition; full rationale in the import-site comment
-// below). The carrier imports the structural typed `DeclarationRef`
-// from `v3.spec.v3_l1`; the type still admits any declaration at the
-// boundary (refinement-typing has not landed). Debt-paydown row at
-// `docs/debt/r3-debt-paydown-ledger-2026-05-02.md` shares the #1175
-// refinement-typing-on-`DeclarationRef` dissolution trigger with
-// `MethodRef` / `CallableRef`. Sibling `VariantId` Map-key handle
-// dissolves under the same #1175 surface.
-
-module v3.std.coproduct_projection
-
-// `DeclarationRef` resolves to `src/v3/spec/v3_l1.dag:76`'s
-// structural typed declaration-reference shape. Selected over the
-// `dsl/std/serialization.dag:16` `DeclarationRef = String` alias to
-// resolve a tri-way tension at PR-α: (i) Substrate Mgr at #2164 c#…
-// flagged the `v3.spec.v3_l1` empty-record characterization vs. the
-// disposition'd-String-alias framing as a BLOCKING; (ii) codex
-// non-blocking + subsequent BLOCKING (sha 0e185083 / 49523238) noted
-// the v3_l1 carrier "resolves to a typed declaration reference" (not
-// String) AND that `dsl/std/serialization.dag` was missing from
-// `bootstrap_authority.dag` so the alias import would silently mis-
-// resolve at bootstrap-materialization time; (iii) adding
-// serialization.dag to bootstrap-authority push test-thread stack
-// past 2MB ceiling (lane2 symbolic-cost test stack overflow,
-// reproduced locally vs. clean on main). The structural typed v3_l1
-// `DeclarationRef` is already in `V3SpecAuthority` (no authority
-// gap), is the canonical structural identity per its own doc-comment
-// ("substrate carries the typed reference forward, no name-bridge
-// lookup at consumption time"), and avoids both the silent-mis-
-// resolution and stack-budget regressions. The debt-paydown row at
-// `docs/debt/r3-debt-paydown-ledger-2026-05-02.md` is retitled
-// accordingly per codex's non-blocking guidance: this is unrefined-
-// any-declaration handle work — `DeclarationRef` admits any
-// declaration at the type level until refinement-typing-on-
-// `DeclarationRef` lands (the same #1175 substrate gap that retires
-// `MethodRef` / `CallableRef` per `services.dag:86-100`).
-import v3.spec.v3_l1 { DeclarationRef }
-
-// 🟡 SCAFFOLD. String-aliased variant identity handle. Keys
-// `CoproductProjection.variant_projections` and ranges over the wire-
-// tag-value map. Today's substrate grammar can't express a refined
-// `DeclarationRef<VariantDeclaration>`; keying by string is the
-// minimum shape until refinement-typing lands.
-// **Dissolution trigger** (single authority — shared with the
-// `DeclarationRef` row at `docs/debt/r3-debt-paydown-ledger-2026-05-02.md:107`):
-// the same #1175 substrate-level refinement-typing-on-`DeclarationRef`
-// landing that retires `MethodRef` (`src/v3/std/methods.dag:31`) +
-// `CallableRef` (`src/v3/std/services.dag:86-100`) promotes `VariantId`
-// to a structural typed handle (e.g., `(coproduct: DeclarationRef,
-// variant: VariantDeclaration)`) at the same time. No separate
-// audit-row / string-bridge OR-trigger applies here; the carrier-level
-// dissolution is single-keyed on #1175.
-type VariantId = String
-
-// 🟡 SCAFFOLD coproduct (single-arm record at PR-α scope). Typed leaf
-// for per-variant wire-tag values. Anthropic + REST both string-
-// serialize tags at the wire boundary; the typed-on-our-side /
-// serialized-at-emit pattern keeps the substrate value distinct from
-// its String wire form. Single `StringTag` arm at this slice covers
-// the closure-predicate consumers (Anthropic #1702 + the three
-// coproduct paydowns); additional arms (e.g., `IntTag`, `EnumTag`)
-// land additively when a wire surface needs them. Brief constraint #2
-// binding: `WireTagValue` MUST stay a typed leaf, NOT collapse to
-// `String`.
-//
-// **Dissolution trigger** (P5 tracked-scaffold requirement, INVARIANTS.md):
-// promotes to 🟢 TERMINAL when **(a)** §1.8 gates #29-#30 close (the
-// closure-predicate consumers — Anthropic #1702 re-dispatch + the three
-// already-briefed coproduct paydowns at `r3-coproduct-{1,2,3}-*-worker.md`
-// — all land and consume `WireTagValue` against real wire surfaces), AND
-// **(b)** at least one non-`StringTag` arm has been added in response to
-// an observed wire surface (refuting the single-arm-coproduct anti-pattern
-// per `feedback_construction_over_ratchets`) OR the sum is explicitly
-// closed at single-arm with a Practice-4 receipt naming the substrate
-// observation that all observed REST/LLM wire boundaries are string-
-// shaped. **Re-escalate to Substrate Mgr** if a consumer surfaces a
-// wire-tag shape that `StringTag` cannot express — that is the
-// substrate-fact-introduction event that fires (b)'s alternate path.
-type WireTagValue
-  = StringTag { value: String }
-
-// 🟡 SCAFFOLD coproduct. Per-variant payload field projection. `Empty`
-// constructor encodes "variant has no payload fields" (e.g., Anthropic
-// empty-payload variants per brief §"Single-keyed-fact discipline")
-// without representing absence as a missing map entry — keeps
-// illegal-state-by-construction. `Populated` is a placeholder arm whose
-// internal field-shape detail (a typed `Map<String, FieldShape>` or
-// equivalent payload-field projection) is deferred to the first paydown
-// PR consumer per Mgr-disposed sliced-follow-up — `feedback_construction
-// _over_ratchets`. Dissolution trigger: when the first paydown PR
-// consumes `Populated`, the inner shape grows to a typed payload-field
-// projection (`FieldShape` introduced at that point) and a TERMINAL
-// receipt lands.
-type FieldProjection
-  = Empty
-  | Populated
-
-// 🟢 TERMINAL at PR-α scope. Single keyed fact (P2 boundary): a
-// variant's payload projection and its wire-tag value live together.
-// Splitting into parallel `Map<VariantId, FieldProjection>` +
-// `Map<VariantId, WireTagValue>` would admit a variant with a tag but
-// no field projection (or vice versa) as structurally representable
-// — per Director's openai-pro REQUEST_CHANGES correction at PR #2079.
-type CoproductVariantProjection {
-  field_projection: FieldProjection
-  wire_tag_value:   WireTagValue
-}
-
-// 🟢 TERMINAL at PR-α scope. Top-level projection carrier keyed by the
-// coproduct declaration. `wire_tag_field: String` per path-(a) ratified
-// shape (Director #4400354502): structural identity via the
-// `variant_projections` map key invariant + per-variant typed
-// `WireTagValue`; fail-closed fixture-load check validates that
-// `wire_tag_field` names a real field on the coproduct's variant
-// payloads (analogous to `services.dag` PR-β `ParamToken.name → Map<
-// String, InputField>` key validation).
-//
-// `declaration: DeclarationRef` is the structural typed declaration-
-// reference from `v3.spec.v3_l1` (selection rationale at the
-// import-site comment above). The handle is unrefined at the type
-// level today; debt-paydown row at
-// `docs/debt/r3-debt-paydown-ledger-2026-05-02.md:107` tracks
-// promotion under the shared #1175 refinement-typing-on-
-// `DeclarationRef` dissolution trigger (paired with `MethodRef` /
-// `CallableRef` per `src/v3/std/methods.dag:31` +
-// `src/v3/std/services.dag:86-100`).
-//
-// Asymmetry with `InternallyTaggedObject.tag_field: String` at
-// `dsl/std/serialization.dag:49` collapses under path (a) — both
-// `String`, no debt row needed (brief §3 conditional debt does not fire).
-type CoproductProjection {
-  declaration:         DeclarationRef
-  wire_tag_field:      String
-  variant_projections: Map<VariantId, CoproductVariantProjection>
-}
-
-// **Gate 3 multi-consumer demo deferred to first paydown PR — surfaced
-// to Substrate Mgr (#2154) as DSL parser limitation.**
-//
-// Mgr disposed gate 3 (i) trivial in-PR `data anthropic_chat_message_projection:
-// CoproductProjection = { ... }` demo at #2154 c#4400893282. Authoring the
-// demo failed at parse time on the `Map<VariantId, CoproductVariantProjection>`
-// (or `Map<String, CoproductVariantProjection>`) literal — both inline-record
-// values and ident-reference values produced
-// `expected field label, got StringLit("UserMessage")` parse errors at the
-// Map-literal `"key": value` position. Existing precedent for top-level Map
-// literals lives in retired legacy-tree sources and `dsl/std/*` files only (`single_punct`,
-// `kernel_type_set`, `container_type_arity`, `expr_child_roles`); none of
-// these have Record-typed values, and no `Map<K, Record>` literal exists
-// anywhere in `src/v3/std/`. The parser surface in v3.std appears to lack
-// Record-valued Map literal support — surface to lane as separate
-// substrate-tooling gap. Gate 3 reverts to (ii) defer-to-first-paydown:
-// the first `r3-coproduct-{1,2,3}-*-worker.md` PR consumes
-// `CoproductProjection` against its target coproduct, with the Map literal
-// either authored once parser support lands or via an alternate carrier
-// shape (e.g., `List<CoproductVariantProjection>` keyed by a `variant_id`
-// field) negotiated at consumer-PR review time.
diff --git a/src/v3/std/cross_target_coverage.dag b/src/v3/std/cross_target_coverage.dag
deleted file mode 100644
index 90f84697b49..00000000000
--- a/src/v3/std/cross_target_coverage.dag
+++ /dev/null
@@ -1,194 +0,0 @@
-// v3.std.cross_target_coverage -- L6 EmissionPathProjection substrate
-// carrier slice (R3 L6, Phase-1 carrier-only).
-//
-// Per Director Option 2 + sub-questions §4.A=(a) / §4.B=List / §4.C=(i) /
-// §4.D=(b) RATIFIED at gunbc#828 #issuecomment-4377533390 (2026-05-05).
-// Worker brief: `docs/briefs/r3-l6-emission-path-projection-substrate-worker.md`
-// (parent worktree). Routing receipt:
-// `docs/briefs/r3-substrate-l6-per-row-projection-routing-decision.md`.
-//
-// HEADER NOTE (mandatory, per brief §1):
-//   Option (c) -- a generated mirror of `v3_compiler::dag::TypeConnective`
-//   and `v3_compiler::dag::Behavior` -- is the correct dissolution target
-//   for the hand-declared `FormAxis` / `BehaviorAxis` below, once a
-//   substrate-`Disj`-mirroring generator exists. The (a) hand-declared form
-//   here is interim until that generator lands. Per Director ratification of
-//   §4.A at gunbc#828 #issuecomment-4377533390.
-//
-// SCOPE (Phase-1 carrier slice):
-//   - Six type declarations (`ShapeATarget`, `FormAxis`, `BehaviorAxis`,
-//     `MethodTemplateContractKey`, `EmissionCell`, `EmissionPathProjection`).
-//   - Populated `data emission_path_projections: List<EmissionPathProjection>`
-//     for the current Phase-1 row-list authorities.
-//
-// NOT in scope (per Director §4.D=(b)):
-//   - Non-Phase-1 row population beyond the current row-list authorities.
-//   - Additional non-`Cardinality x Transform` cells.
-//
-// CITATION DISCIPLINE (per `brief-authoring-checklist.md`): Practice 4
-// reference uses `docs/modeling-discipline.md#4-coproduct-dissolution`
-// anchor + inline rule-text quote: "Any new Rust enum with N >= 2 variants
-// must have a checkpoint comment naming its classification (🟢/🟡/🔴),
-// with a ledger entry if GREEN or a named trigger if YELLOW."
-
-module v3.std.cross_target_coverage
-
-import v3.std.methods { MethodRef }
-import v3.std.emit_model { LanguageSpec }
-import v3.spec.rust { rust_language }
-import v3.spec.python { python_language }
-import v3.spec.go { go_language }
-import std.methods {
-  all_method,
-  any_method,
-  append_method,
-  chars_method,
-  count_method,
-  enumerate_method,
-  filter_method,
-  first_method,
-  flat_map_method,
-  join_method,
-  last_method,
-  skip_method,
-  sort_by_method,
-  split_method,
-  string_contains_method,
-  take_method
-}
-
-// --- ShapeATarget ---------------------------------------------------------
-//
-// PRACTICE 4 DISSOLUTION RECEIPT: the former closed
-// `Rust | Python | Go` coproduct duplicated `LanguageSpec` as a second
-// target authority. `ShapeATarget` is now a type alias for `LanguageSpec`;
-// row identities point directly at the target's `LanguageSpec` data
-// declaration. Adding a target is data-driven by adding a new
-// `LanguageSpec` declaration and the corresponding row authorities,
-// without editing this carrier.
-type ShapeATarget = LanguageSpec
-
-data rust_shape_a_target: ShapeATarget = rust_language
-data python_shape_a_target: ShapeATarget = python_language
-data go_shape_a_target: ShapeATarget = go_language
-
-// --- FormAxis -------------------------------------------------------------
-//
-// PRACTICE 4 CHECKPOINT: 🟡 SCAFFOLD
-// Hand-declared mirror of `v3_compiler::dag::TypeConnective` discriminants
-// (six variants in substrate-declaration order, verified against
-// `src/v3/compiler/src/dag.rs` `pub enum TypeConnective` at this slice's
-// authoring HEAD). The cross-product walker only needs the discriminant
-// identity for L6 lookup; payloads are not mirrored.
-//
-// Dissolution trigger (per Director ratification of §4.A at
-// gunbc#828 #issuecomment-4377533390): substrate-`Disj`-mirroring generator
-// (option (c)). Generator landing retires this hand-declared form. New
-// connectives are added here only via the P1 substrate-fact-introduction
-// procedure on the upstream Rust enum first.
-type FormAxis = Atom | Conj | Disj | Arrow | Cardinality | Instantiation
-
-// --- BehaviorAxis ---------------------------------------------------------
-//
-// PRACTICE 4 CHECKPOINT: 🟡 SCAFFOLD
-// Hand-declared mirror of `v3_compiler::dag::Behavior` discriminants (five
-// variants in L1 model order, verified against `src/v3/compiler/src/dag.rs`
-// `pub enum Behavior` at this slice's authoring HEAD). The cross-product
-// walker only needs the discriminant identity; payloads are not mirrored.
-//
-// Same dissolution trigger as `FormAxis`: substrate-`Disj`-mirroring
-// generator (option (c)) per Director ratification of §4.A.
-type BehaviorAxis = Value | Transform | Branch | Loop | Bind
-
-// --- MethodTemplateContractKey -------------------------------------------
-//
-// 1:1 row-identity key for joining `EmissionPathProjection` rows back to
-// `MethodTemplateContract` source rows in
-// `{rust,python,go}_method_template_contracts.dag`. No string-name
-// dispatch; the typed `target` + `dag_method` pair is the join authority
-// (honors C2 orthogonality per Option 2).
-type MethodTemplateContractKey {
-  target: ShapeATarget
-  dag_method: MethodRef
-}
-
-// --- EmissionCell ---------------------------------------------------------
-//
-// One cell in the (FormAxis x BehaviorAxis) cross product. The L6 walker
-// enumerates all 30 (form x behavior) cells per target and reports per-cell
-// coverage; the per-row `cells` list on `EmissionPathProjection` records
-// which cells the row covers (Phase-1 rows are all single-element
-// `[{ connective: Cardinality, behavior: Transform }]`).
-type EmissionCell {
-  connective: FormAxis
-  behavior: BehaviorAxis
-}
-
-// --- EmissionPathProjection ----------------------------------------------
-//
-// Per-row projection: `row_identity` keys back to the source
-// `MethodTemplateContract` row; `cells` is the list of (form, behavior)
-// cells covered by that row's emission path. Replaces the list-non-empty
-// proxy in `coverage.rs` with a typed row-local fact.
-type EmissionPathProjection {
-  row_identity: MethodTemplateContractKey
-  cells: List<EmissionCell>
-}
-
-// --- emission_path_projections (Phase-1 populated: 41 rows) --------------
-//
-// Grounding follow-up population for the current Phase-1 row-list authorities:
-// Rust 13, Python 16, Go 12 (41 total). Each row carries the single
-// Phase-1 cell `Cardinality x Transform`. This intentionally follows the
-// source row lists at HEAD; `go_method_template_contracts.dag` documents why
-// Go `chars` is not part of Phase 1.
-data emission_path_projections: List<EmissionPathProjection> = [
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: count_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: join_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: split_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: last_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: first_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: enumerate_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: chars_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: filter_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: any_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: all_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: flat_map_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: skip_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: rust_shape_a_target, dag_method: { decl: take_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: count_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: join_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: split_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: last_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: first_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: enumerate_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: chars_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: filter_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: any_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: all_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: flat_map_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: skip_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: take_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: sort_by_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: append_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: python_shape_a_target, dag_method: { decl: string_contains_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: count_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: join_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: split_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: filter_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: any_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: all_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: flat_map_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: skip_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: take_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: sort_by_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: append_method } }, cells: [{ connective: Cardinality, behavior: Transform }] },
-  { row_identity: { target: go_shape_a_target, dag_method: { decl: string_contains_method } }, cells: [{ connective: Cardinality, behavior: Transform }] }
-]
-
-// TEST CLAIM RECEIPT: the `ShapeATarget = LanguageSpec` alias invariant is
-// enforced by `cross_target_coverage_carrier_test::shape_a_target_aliases_language_spec`
-// and the row-bijection test over `emission_path_projections`. Do not add a
-// `std.verification.TestClaim` data row here until the duplicated v2/v3
-// `std.verification` module surface converges; importing it from v3 bootstrap
-// sources causes clean fixture compiles to resolve the legacy carrier.
diff --git a/src/v3/std/diagnostics.dag b/src/v3/std/diagnostics.dag
deleted file mode 100644
index b4bded7d3db..00000000000
--- a/src/v3/std/diagnostics.dag
+++ /dev/null
@@ -1,250 +0,0 @@
-module v3.std.diagnostics
-
-import std.list { List }
-import v3.spec.v3_l1 { DeclarationRef }
-import v3.std.cross_target_coverage { BehaviorAxis, FormAxis, ShapeATarget }
-import v3.std.substrate { SourceSpan, TypeShape }
-
-// 🟡 SCAFFOLD. Mirrors the compiler's native diagnostic taxonomy for
-// the staged v3 diagnostics surface. Kept distinct from
-// `std.verification.DiagnosticKind` to avoid introducing a second
-// imported top-level declaration with the same name during bootstrap.
-// Dissolution trigger: reflected diagnostics or a shared diagnostic
-// kind authority once the staged/bootstrap-local split disappears.
-//
-// Layer 1 (per `docs/design-lens-framework.md` Q6.5 two-layer
-// authority): Substrate-Manager-owned closed sum of compiler-primitive
-// diagnostic kinds. Layer-2 lens-instance kinds live separately under
-// `DiagnosticKindDecl` / `LensInstanceKindWitness` below — they MUST
-// NOT be added as variants here. Adding a Layer-1 kind is rare,
-// design-locked, and requires SCAFFOLD-note acknowledgment of where
-// the diagnostic surfaces.
-type CompilerDiagnosticKind
-  = TokenizerError
-  | ParseError
-  | TypeMismatch
-  | ArityMismatch
-  | ResolveError
-  | UnitMismatch
-  | BranchConditionNotBool
-  | MagnitudeOutOfRange
-  | MalformedIntegerRangeFact
-  | NominalOpacityViolation
-
-// 🟢 TERMINAL for DB-1's source-level live correction payload.
-// Corrections replace a span in user-authored `.dag` source with new
-// `.dag` syntax; target-native fix syntax is deliberately out of scope.
-type CorrectionWitness {
-  description: String
-  // Retained so future fix surfaces can point at the precise source
-  // range the correction applies to. The current source-level
-  // renderer only prints `new_source`.
-  span: SourceSpan
-  new_source: String
-}
-
-// R3 Gap 9 row #106 explicit deferral carrier. A deferred correction
-// is not an absent fix: it names why the live witness is unavailable
-// and the concrete retirement plan that removes the deferral.
-type RetirementPlan {
-  owner: String
-  exit_condition: String
-}
-
-// 🟢 TERMINAL coproduct for R3 Gap 9 row #106 correction carrier.
-// Step 1 (ancestor): DB-1 diagnostics owns source-level correction
-// carriers in this module; row #106 supersedes DB-1's earlier
-// list-as-authority draft with this mandatory carrier.
-// Step 2 (coproduct-vs-coordinate): variants are alternatives. A
-// diagnostic either has an apply-able source rewrite witness OR has an
-// explicit deferral with a retirement plan; no inhabitant carries both.
-// Step 3 (primitive-vs-lens-extensible): closed substrate diagnostic
-// carrier. Extension requires amending this authority, not adding
-// free-form warning text or nullable/list absence states downstream.
-// The diagnostic surface has no nullable or list-as-authority state:
-// every diagnostic carries exactly one `Correction`, either a live
-// witness or an explicit deferral.
-type Correction
-  = LiveCorrection { witness: CorrectionWitness }
-  | DeferredCorrection { reason: String, retirement_plan: RetirementPlan }
-
-// Layer 2 lens-instance diagnostic-kind declaration (per
-// `docs/design-lens-framework.md` Q6.5). A `DiagnosticKindDecl`
-// appears inside the `diagnostic_kinds` list of an `inhabits Lens<C>`
-// declaration; the containing inhabitance IS the owning lens (P2
-// single-authority via structural containment, NOT via a duplicated
-// `lens_instance` field). The decl's `name` MUST NOT collide with any
-// `CompilerDiagnosticKind` Layer-1 variant name (anti-shadowing
-// protocol per Q6.5 §Name-collision protocol).
-//
-// 🟡 TRANSITIONAL. Owner-by-containment is the structural authority,
-// not a re-declared field. The decl name is a String today; refines
-// to a typed `KindName` namespace-scoped to the parent lens once the
-// substrate exposes namespace-typed identifiers.
-type DiagnosticKindDecl {
-  name: String
-  payload: TypeShape
-}
-
-// Layer 2 lens-instance kind witness (per Q6.5 §Substrate change
-// required). A structural pointer to a declared `DiagnosticKindDecl`.
-//
-// 🟡 SCAFFOLD coproduct (single-arm record). Pattern 1 (per-call
-// payload typing) fails because the payload's TypeShape is dependent
-// on the runtime-resolved `kind_decl.payload` field — `.dag` grammar
-// today cannot express `payload: <inhabits kind_decl.payload>`
-// (refinement-type-on-sibling-field). Pattern 2 (collapse to a flat
-// `{ kind_decl, payload_kind_shape }` record with a free `TypeShape`
-// payload coordinate) ratifies exactly the parallel-authority illegal
-// state Q6.5's §State-space discipline rejected — three independent
-// coordinates (lens / name / payload-shape) that admit
-// `(Lens<TenantFlow>, "WrongName", payload-of-different-shape)`.
-// Pattern 3 is the dissolution path: when refinement/dependent field
-// typing OR declaration-shaped inhabitance witnesses land in the .dag
-// substrate, this carrier grows a checked `payload` value field
-// constrained to inhabit the shape `kind_decl.payload` names; until
-// then the witness is decl-only — Layer-2 kind identity and
-// namespace authority are present, but the structured payload value
-// is intentionally NOT carried through the substrate. Trigger:
-// dependent-field typing or substrate inhabitance witnesses lower
-// without hand-Rust scaffolding.
-//
-// Note on `kind_decl` typing: bare `DeclarationRef` admits any
-// declaration. The structural constraint (\"must resolve to a
-// `DiagnosticKindDecl` whose parent is the owning `Lens<C>`
-// inhabitance\") is checked fail-closed at the runtime resolution
-// boundary — same residual class as `PatternRealization` (`emit_model.dag`
-// lines 140–152, where `empty_variant`/`cons_variant` admit any
-// declaration but are validated as variants-of-target at parse time)
-// and `MethodTemplateContract.dag_method` (`emit_model.dag:371`).
-// Refining to `DeclarationRef<DiagnosticKindDecl>` is part of the
-// SAME dissolution trigger above — substrate-level
-// refinement-typing-on-DeclarationRef is the mechanism that closes
-// both the payload-typing gap and the kind-decl resolution gap in
-// one move.
-type LensInstanceKindWitness {
-  kind_decl: DeclarationRef
-}
-
-// Two-layer diagnostic-kind parent (Q6.5). `Diagnostic.kind` widens
-// from `CompilerDiagnosticKind` to this sum so a single `Diagnostic`
-// value can carry either Layer-1 (substrate-owned closed sum) or
-// Layer-2 (lens-namespace-scoped) kinds without re-introducing a
-// cross-manager handoff for lens-instance kind authoring.
-//
-// Anti-bridge invariant (Q6.5): adding a lens-instance kind MUST NOT
-// extend `CompilerDiagnosticKind` — Layer-2 kinds enter via
-// `LensInstanceKind(LensInstanceKindWitness)` exclusively. The closed
-// Layer-1 sum stays the authority for compiler-primitive kinds only.
-type AnyDiagnosticKind
-  = CompilerKind(CompilerDiagnosticKind)
-  | LensInstanceKind(LensInstanceKindWitness)
-
-// 🟡 SCAFFOLD until reflected diagnostics replace the compiler's
-// native enum. The record shape is the authority for consumers that
-// only need the diagnostic carrier, including `fixes`.
-//
-// `kind: AnyDiagnosticKind` carries either Layer-1 (closed-sum
-// compiler-primitive) or Layer-2 (lens-instance, namespace-scoped)
-// kinds per Q6.5 two-layer authority.
-type Diagnostic {
-  kind: AnyDiagnosticKind
-  span: SourceSpan
-  message: String
-  correction: Correction
-}
-
-// T-Ground-Diagnostic — substrate `EmissionDiagnostic` carrier
-// (per `docs/briefs/t-ground-diagnostic.md` + #1216 + #1133 dispatch
-// 4355793511). Closed sum of fold/emission failures the structural
-// emission lane (Coercion-Fold + Lifetime-Analyzer + Cross-Target-Meta
-// + downstream test crates) returns when emission cannot proceed.
-//
-// **Anti-bridge (Q6.5):** this is a SEPARATE carrier from
-// `CompilerDiagnosticKind` and `AnyDiagnosticKind`. Fold failures do
-// NOT extend `CompilerDiagnosticKind` (would violate Q6.5 + P2 single
-// authority). Mapping `EmissionDiagnostic` → runtime
-// `Diagnostic { kind: AnyDiagnosticKind, ... }` is a downstream
-// consumer concern (Coercion-Fold + emit pipeline), not authored here.
-//
-// **P1 receipts** (per `INVARIANTS.md:94-129`):
-//   - Step 1 (DAG-ancestor): home is `src/v3/std/diagnostics.dag` —
-//     existing diagnostic-types module hosts the sibling Layer-1
-//     `CompilerDiagnosticKind`, Layer-2 `LensInstanceKindWitness`, and
-//     two-layer `AnyDiagnosticKind` parent. `EmissionDiagnostic` is a
-//     fourth sibling sum: closed substrate-primitive carrier for
-//     emission-pipeline failures, parallel to but disjoint from the
-//     two-layer kind authority.
-//   - Step 2 (coproduct-vs-coordinate): variants are alternatives —
-//     one failure mode per fold-call. Resolution-hint payloads
-//     (e.g. `unspecified_axis: String`) are coordinates of the
-//     individual variant's record, not new arms.
-//   - Step 3 (primitive-vs-lens-extensible): substrate-primitive
-//     closed sum (compiler-internal fold/emission failures). NOT
-//     lens-extensible — extending requires substrate-amendment
-//     dispatch, parallel to `CompilerDiagnosticKind`.
-//
-// **Lane-local mirror migration receipts** (in flight per dispatch
-// 4355793511; substrate-side carrier lands here, downstream PRs
-// migrate the Rust mirrors):
-//   - `v3-grounding-lifetime` lane-local `EmissionDiagnostic` (#1206)
-//     — variants: `ContradictoryUse`, `UnderRefined`, `OutOfR2Scope`,
-//     `LifetimeProgramExtractionPending`. Migrates here.
-//   - `v3-grounding-coercion-fold` lane-local `EmissionDiagnostic`
-//     (#1241) — variant: `FoldNotImplemented`. Migrates here.
-//   - `v3-grounding-cross-target-meta` lane-local `EmissionDiagnostic`
-//     (#1271) — variant: `MissingEmissionPath`. Migrates here.
-//   - `v3-grounding-tests` lane-local `GroundingTestsDiagnostic`
-//     (#1274/#1289) — Stratum-A test-side variants kept lane-local
-//     for now (test-side outcomes carry test-specific shape; review
-//     for migration in a follow-up dispatch).
-type EmissionDiagnostic
-  // Program intent or structural axis under-specified; consumer
-  // authors a resolution hint via `unspecified_axis`. Covers
-  // worked Examples 1 (`unspecified_axis: "bound"` for unrefined
-  // `Int`) and 5 (`unspecified_axis: "algebra"` for algebra
-  // ambiguity) per `design-emission-model.md` ~417-464 / ~639-680.
-  // Lifetime-Analyzer also uses this for its axis-level
-  // under-determination (`growability` / `ownership` / `encoding`).
-  = UnderRefined { unspecified_axis: String }
-  // Substrate declares no candidate covering the program's stated
-  // refinement (Example 6 pattern; `design-emission-model.md`
-  // ~684-731). Distinct from `UnderRefined` which is "program is
-  // under-specified"; this is "substrate has no inhabitant for the
-  // specified refinement."
-  | NoInhabitant
-  // Lifetime-Analyzer: a binding's use sites contradict each other
-  // structurally (some require Owned, some require Borrowed, etc.).
-  // Names the binding + the conflicting sites for the resolution
-  // hint surface.
-  | ContradictoryUse { binding: String, sites: List<String> }
-  // Lifetime-Analyzer: program contains a construct outside R2
-  // structural-ownership scope (closures / async / Pin / etc.).
-  // Locked at `design-emission-model.md:635` to T-LensProducer-Retirement
-  // (R3 fold-in). The construct name surfaces so the user/test sees
-  // why the analyzer declined.
-  | OutOfR2Scope { construct: String }
-  // 🟡 TRANSITIONAL — Lifetime-Analyzer: `Dag` → `LifetimeProgram`
-  // extraction wiring gap. Returning `Ok(empty)` would silently drop
-  // load-bearing program shape (C-8). Detail string captures the
-  // wiring stage. **Retires when Dag-extraction lands** (per #1218 /
-  // #1247) — this variant is named here so the lane-local mirror
-  // can remove it from its sum at the same time.
-  | LifetimeProgramExtractionPending { detail: String }
-  // 🟡 TRANSITIONAL — Coercion-Fold: full structural fold not yet
-  // implemented; returning `Ok` would fabricate target choices
-  // (C-8 / engine-retraction discipline). **Retires when Coercion-Fold
-  // body lands** (per nimble-pike-489's Examples 1-7 dispatch) —
-  // variant is a stub-failure surface for the in-flight fold.
-  | FoldNotImplemented
-  // CrossTarget-Meta L6: `(connective × behavior × target)` cell has
-  // no LanguageSpec emission-path declaration. Each axis carries the
-  // typed discriminant authority used by the L6 projection substrate:
-  // `FormAxis` mirrors `TypeConnective` discriminants, `BehaviorAxis`
-  // mirrors L1 `Behavior` discriminants, and `ShapeATarget` is the
-  // closed Shape-A target set.
-  | MissingEmissionPath {
-      connective: FormAxis,
-      behavior: BehaviorAxis,
-      target: ShapeATarget
-    }
diff --git a/src/v3/std/dimensions.dag b/src/v3/std/dimensions.dag
deleted file mode 100644
index d2cfb134f5c..00000000000
--- a/src/v3/std/dimensions.dag
+++ /dev/null
@@ -1,146 +0,0 @@
-// std.dimensions — compile-time dimensions and unit-typed values.
-//
-// 🟢 TERMINAL for the structural surface (Lane 2 Stage 2f). Execution
-// authority for `analyze_symbolic_cost_dimension` lives in
-// `v3_compiler::dimension` until generic HO list folds lower from
-// `.dag` without host stubs. When class-5 `data` bodies land, callers
-// can walk `Dag::declarations()` for `Dimension<Carrier>` values — no
-// separate compiler registry until a real consumer needs it.
-//
-// **Deferred:** `data symbolic_cost_dimension: AnalysisDimension<SymbolicCost> = { ... }`
-// — class-5 gap #3 (`DOWNSTREAM_REQUIREMENTS.md`) blocks record bodies; the
-// symbolic-cost **analysis** path still dispatches through this module's
-// report shape + the cost lens algebra.
-//
-// See DB-3 (`docs/design-dimension-abstraction.md`) §"Core type".
-
-module v3.std.dimensions
-
-import std.list { List }
-import std.substrate { Dag, Behavior, NodeId, PortId }
-import std.algebra { OrderedRing, Monoid }
-import v3.std.diagnostics { Diagnostic }
-
-// 🟢 TERMINAL at the structural-witness scope. `Witness<Carrier>`
-// partitions per-operation evidence into two disjoint cases:
-//
-//   - `Inhabits(c)`  — this behavior is an ok member of the
-//                      dimension's algebra; compose absorbs `c`.
-//   - `Violates {..}` — dimension / substrate policy failure; diagnostics
-//                       fire from `subject` (real `Behavior` boundary or typed
-//                       malformed-producer residue — gate #104 / INVARIANTS P3).
-//
-// The coproduct is authored at the witness level, not above it in
-// an `Option<Witness>` shape, so "no evidence" and "evidence of
-// violation" cannot masquerade as each other (DB-3 §Rationale).
-//
-// Practice 4 / `docs/modeling-discipline.md` §4 — **🟢 TERMINAL** coproduct (`ViolatesSubject`):
-// not a dissolvable scaffold; variants are identical to the residues of typed `ProducerLookup`
-// attribution — lawful `Behavior` (`AtBehavior`) vs malformed walk (`ProducerLookupMissing*`) — and
-// must not flatten into fields on `Witness<V>` without collapsing P3 fail-closed distinctions (INVARIANTS
-// P1: witness subject traces to substrate walk authority only). Ledger: dissolution patterns **1–4** in
-// Practice 4 are **NA** without erasing `missing port` vs `missing node` vs lawful `Behavior` facts.
-//
-type ViolatesSubject
-  = AtBehavior(Behavior)
-  | ProducerLookupMissingPort { port: PortId }
-  | ProducerLookupMissingNode { producer: NodeId }
-
-type Witness<Carrier>
-  = Inhabits(Carrier)
-  | Violates { reason: String, subject: ViolatesSubject }
-
-// Optional break channel for `break_diagnostic` — replaces `Diagnostic?`
-// until optional return types are uniform on staged function declarations.
-type OptionalDiagnostic
-  = NoDiagnostic
-  | SomeDiagnostic { value: Diagnostic }
-
-// 🟢 TERMINAL. Aggregate result from `analyze` (DB-3 §Dimension evaluation).
-//
-// Pass/fail partition: a successful proof carries `composed`; a failed
-// proof carries `violations` and never fabricates a carrier — there is
-// no valid `composed` when any witness `Violates` or composition at
-// the workflow root cannot be resolved (R2 fail-closed).
-type DimensionReport<Carrier>
-  = DimensionOk {
-      dimension_name: String
-      composed: Carrier
-      witnesses: List<Witness<Carrier>>
-    }
-  | DimensionFail {
-      dimension_name: String
-      violations: List<Diagnostic>
-      witnesses: List<Witness<Carrier>>
-    }
-
-// 🟢 TERMINAL at the dimension-surface scope. The four fields are
-// the irreducible contract a compile-time property has to publish:
-//   - `name`      — human-facing identifier
-//   - `witness_of`— per-op evidence extraction
-//   - `compose`   — `Monoid<Carrier>` (`dsl/std/algebra.dag`) carrying
-//                   both the binary combine and its identity in a
-//                   single field. Replaces the prior parallel
-//                   `compose: fn(Carrier, Carrier) -> Carrier` +
-//                   `identity: Carrier` pair (F2 dispatch on parent
-//                   inbox #1130): that shape duplicated the monoid-law
-//                   authority and was structurally identical to the
-//                   pre-2026-04-28 `Lens<C>` drift, which already
-//                   migrated to `sequential: Monoid<C>`
-//                   (`src/v3/std/lens.dag` §`sequential`). Mirroring
-//                   that precedent here means the monoid law lives once,
-//                   on `Monoid<Carrier>`, and structural inhabitance
-//                   over the algebra type is the enforcement vehicle —
-//                   not field-pair convention.
-//   - `break_diagnostic` — optional diagnostic when composition breaks
-type AnalysisDimension<Carrier> {
-  name: String
-  witness_of: fn(Dag, Behavior) -> Witness<Carrier>
-  compose: Monoid<Carrier>
-  break_diagnostic: fn(Behavior, Carrier) -> OptionalDiagnostic
-}
-
-// R2 T-Modeling unit wrapper. `Unit` is a compile-time-only phantom
-// parameter; `Carrier` is the runtime value. Until `.dag` can declare
-// `phantom_params` directly, the lowerer has one bounded bridge for this
-// exact std authority (`src/v3/std/dimensions.dag` + `Dimension<Unit, Carrier>
-// { value: Carrier }`): it attaches
-// `PhantomParameter { parameter: Unit, algebra: AbelianGroup<Unit> }` and
-// fails closed if the declaration shape or algebra witness drifts. Dissolution
-// trigger: when phantom parameters become source-declared substrate facts,
-// delete the lowerer bridge and move this fact onto the declaration itself.
-type Dimension<Unit, Carrier> {
-  value: Carrier
-}
-
-type Meters
-type Seconds
-type Kilograms
-type Amperes
-type Kelvin
-type Moles
-type Candela
-
-fn add_dimension<Unit, Carrier>(
-  carrier_algebra: OrderedRing<Carrier>,
-  left: Dimension<Unit, Carrier>,
-  right: Dimension<Unit, Carrier>
-) -> Dimension<Unit, Carrier> { host dimension_add }
-
-fn sub_dimension<Unit, Carrier>(
-  carrier_algebra: OrderedRing<Carrier>,
-  left: Dimension<Unit, Carrier>,
-  right: Dimension<Unit, Carrier>
-) -> Dimension<Unit, Carrier> { host dimension_sub }
-
-fn mul_dimension_scalar<Unit, Carrier>(
-  carrier_algebra: OrderedRing<Carrier>,
-  value: Dimension<Unit, Carrier>,
-  scalar: Carrier
-) -> Dimension<Unit, Carrier> { host dimension_mul_scalar }
-
-fn div_dimension_scalar<Unit, Carrier>(
-  carrier_algebra: OrderedRing<Carrier>,
-  value: Dimension<Unit, Carrier>,
-  scalar: Carrier
-) -> Dimension<Unit, Carrier> { host dimension_div_scalar }
diff --git a/src/v3/std/effects.dag b/src/v3/std/effects.dag
deleted file mode 100644
index c3a15593b71..00000000000
--- a/src/v3/std/effects.dag
+++ /dev/null
@@ -1,840 +0,0 @@
-// std.effects — effect algebra for operation composition.
-//
-// **Status: bootstrap-staged std file.** The declarations in this
-// file are loaded by `Dag::new()` from `src/v3/std/`. The function
-// signatures are authoritative and available to downstream code
-// today; function bodies are v3-compatible minimal encodings of the
-// v2 authority at `dsl/std/effects.dag` — the semantics match, the
-// surface form is reshaped to use only v3 grammar forms
-// (`if ... then ... else ...`, single-binding match arms, explicit
-// variant enumeration). When v3 grows `&&` / `||` / `_` wildcard /
-// `if` block form, bodies can reflatten toward the v2 shape without
-// signature churn.
-//
-// **Bootstrap staging.** Lives in `src/v3/std/` not `dsl/std/` for
-// the same reason `src/v3/std/list.dag` does: v2's CI pipeline
-// scans `dsl/` recursively and cannot parse v3's grammar. Canonical
-// logical home is `dsl/std/effects.dag` once v2 retires. This port
-// is the v3 structural carry-over of the v2 authority at
-// `dsl/std/effects.dag`; keep the two in sync during the bootstrap
-// window. See `THESIS.md` §"Two groundings" bootstrap note.
-//
-// **Scope (Lane 2 Stage 2a + follow-ups).** Structural carry-over of
-// the v2 authority, with v3-only refinements already landed:
-//   - `EffectShape = IsIdempotent(IdempotentShape) | IsBreaking(BreakingShape)` (partition)
-//   - `IdempotentShape`, `BreakingShape`
-//   - `CreateCause`, `KeySource`, `IdempotencyEvidence`
-//   - `Operation`
-//   - `CompositionVerdict = IdempotentComposition | BrokenBy { first_breaker: ElementRef<Operation> }`
-//   - `is_idempotent_effect`, `operation_is_breaking`
-//   - `compose_effects(effects: List<Operation>) -> CompositionVerdict`
-//   - `generate_idempotency_obligations`
-// v2-specific imports, parser quirks, and Rust bridge code do NOT
-// come over. Pure `.dag` declarations.
-//
-// Stage 2a follow-ups (cleared):
-//
-// 1. `DerivedOpEffect` was collapsed into `Operation` (PR #521), and the
-// later operation-effect retirement removed the transport-derived
-// `transport-effect derivation` bridge entirely.
-// The previous shape carried REST transport fields alongside an
-// authored name/effect partition, but downstream consumers only read
-// the effect partition. The
-// `ReadEffect` variant already encodes "method was GET/HEAD/OPTIONS."
-// `Operation` is the durable carrier Stage 2b's `compose_effects`
-// walks. Future diagnostic
-// rendering that wants the originating method/path should attach a
-// separate evidence carrier to the diagnostic, not smuggle transport
-// facts onto the effect record.
-//
-// 2. `ComposedEffect { operations, idempotent: Bool, breaking_operation: String? }`
-// was removed entirely. `compose_effects` now returns
-// `CompositionVerdict = IdempotentComposition | BrokenBy { first_breaker: ElementRef<Operation> }`
-// directly. The earlier intermediate form wrapped the verdict in a
-// `{ operations, verdict }` record so callers could get the walk and
-// the judgment from one value, but reviewer feedback on the
-// intermediate R2 shape pointed out that pairing them admits
-// incoherence: `verdict: IdempotentComposition` with a breaking op
-// in `operations`, or `BrokenBy { first_breaker }` where the breaker
-// is not actually in `operations`. `.dag` records are directly
-// constructible, so "the constructor keeps them coherent" is a
-// behavioral invariant, not a type-level one. Dropping the record
-// leaves `operations` as the caller's own input and the verdict as
-// the pure projected output — two facts kept separate at their
-// natural sites, with no correlation for the type system to enforce.
-//
-// 3. `EffectShape` was partitioned into
-// `IsIdempotent(IdempotentShape) | IsBreaking(BreakingShape)`.
-// The earlier flat `BrokenBy { first_breaker: Operation }` shape
-// still admitted `Operation { shape: ReadEffect }` — an
-// idempotent op in the breaker slot — enforced only by the
-// `compose_effects` filter. Partitioning EffectShape at the type
-// level dissolved that hole for carrier copies like
-// `BreakingOperation`, while `ElementRef<Operation>` replaces the
-// copied payload with an index validated against a caller-owned evidence
-// list. Current trade-off: the handle only proves "in-bounds element of
-// some list the constructor saw", not "this exact owner list" and not
-// "this element is breaking" at the type boundary. Those facts are
-// still established behaviorally by `compose_effects` /
-// `first_breaker_ref`, and the remaining constructor-validation
-// asymmetry is tracked as Track 9 style debt until the substrate grows
-// an owner-bound, breaking-only witness.
-//
-// DESIGN PRINCIPLE:
-//   Idempotency is not a flag. It is a DERIVED PROPERTY of the
-//   effect's algebraic structure. An operation whose effect forms
-//   a lattice meet on the target state is idempotent by construction.
-//   The compiler doesn't ask "did you mark this idempotent?" — it
-//   checks "does this effect inhabit a lattice?"
-//
-// EXTERNAL AUTHORITY:
-//   - Lattice theory: Birkhoff (1940). Lattice = set with meet ∧
-//     and join ∨, both idempotent, commutative, associative, with
-//     absorption. `meet(a, a) = a` is the idempotency law.
-//   - Effect algebras: Foulis, Bennett (1994). Compositional
-//     effects with partial combination.
-//   - Idempotent semirings: dataflow analysis, routing algebras,
-//     tropical geometry.
-//
-// RELATIONSHIP TO std/algebra.dag:
-//   `Lattice<T>` is declared in `algebra.dag`. This file applies
-//   the lattice structure to operation effects — the "T" is the
-//   state space that the operation modifies.
-//
-// CONSUMERS:
-//   - Lane 2 Stage 2b idempotency lens — walks workflow, composes
-//     effects, emits diagnostic on chain break.
-//   - Lane 2 Stage 2c test generation — emits `f(f(x)) == f(x)`
-//     tests for idempotent ops.
-//   - Lane 2 Stage 2d symbolic cost — composition chain lengths
-//     inform asymptotic bounds on workflows.
-
-module std.effects
-
-import std.types { HttpMethod, GET, POST, PUT, PATCH, DELETE, HEAD, OPTIONS }
-import std.list { List, cons, enumerate }
-import v3.std.lookup { map_get }
-import std.methods {
-  append_method,
-  concat_method,
-  count_method,
-  diff_method,
-  get_method,
-  has_method,
-  length_method,
-  lookup_method,
-  map_get_method,
-  map_has_method,
-  map_insert_method,
-  replace_method,
-  with_method
-}
-import v3.std.substrate { Dag, ElementRef, NonSingletonList, PortId }
-import v3.std.services { Operation, CallableRef }
-
-// ── Path-template carriers ──────────────────────────────────────
-//
-// These are inlined from the v2 `std/http_path.dag` authority
-// because the v3 staged-file set does not yet include
-// `http_path.dag`. Structural-identical to the v2 declarations so
-// that a future port of `http_path.dag` can replace these inline
-// definitions without reshaping `effects.dag`.
-//
-// Minimal helper subset inlined here too: `parse_path_template`
-// and `last_path_param` are used by the staged v3 effect-derivation
-// bodies below, while `src/v3/std/` does not yet ship a separate
-// `http_path.dag`. Keep these definitions structurally aligned with
-// the v2 authority until the standalone v3 port lands.
-//
-// 🟡 SCAFFOLD during the inline `http_path` bridge. `UrlPathToken`
-// is not terminal in this file; it is a temporary local mirror of the
-// standalone path-token authority that will live in `std/http_path.dag`.
-// Dissolution trigger: the dedicated v3 `http_path.dag` port lands and
-// `std.effects` imports the token/path carriers instead of defining them.
-
-type UrlPathToken
-  = LiteralToken { text: String }
-  | ParamToken   { name: String }
-
-type PathTemplate {
-  tokens: List<UrlPathToken>
-}
-
-// 🟡 SCAFFOLD. Mirrored from `dsl/std/http_path.dag` while v3 still inlines
-// the HTTP path helper instead of importing a dedicated authority module.
-// Richer source exists: malformed path templates should ultimately flow
-// through a shared typed diagnostic/result carrier at the compiler boundary
-// rather than through an ad hoc local coproduct.
-type PathSegmentTokensResult
-  = ParsedSegmentTokens { tokens: List<UrlPathToken> }
-  | MalformedPathSegment { segment: String, reason: String }
-
-// 🟡 SCAFFOLD. Mirrored receipt for the staged v3 inline authority. The
-// temporary parse-result coproduct dissolves once malformed-path reporting is
-// attached to the shared compiler diagnostic boundary in v3 and this file can
-// import the dedicated `std.http_path` authority instead of carrying its own
-// local mirror.
-type PathTemplateParseResult
-  = ParsedPathTemplate { template: PathTemplate }
-  | MalformedPathTemplate { raw: String, segment: String, reason: String }
-
-fn parse_path_template(raw: String) -> PathTemplateParseResult {
-  let path_only = match raw |> split(delimiter: "?") |> first {
-    Some(p) => p
-    None => raw
-  }
-  let segments = path_only |> split(delimiter: "/") |> filter(s => s != "")
-  match segments |> first {
-    None => ParsedPathTemplate { template: PathTemplate { tokens: [] } }
-    Some(first_seg) =>
-      match parse_segment_tokens(seg: first_seg) {
-        MalformedPathSegment { segment: s, reason: r } =>
-          MalformedPathTemplate { raw: raw, segment: s, reason: r }
-        ParsedSegmentTokens { tokens: first_tokens } =>
-          let parsed = fold(segments |> skip(1),
-            init: ParsedPathTemplate { template: PathTemplate { tokens: first_tokens } },
-            f: (acc, seg) => match acc {
-              MalformedPathTemplate => acc
-              ParsedPathTemplate { template: path } =>
-                match parse_segment_tokens(seg: seg) {
-                  MalformedPathSegment { segment: s, reason: r } =>
-                    MalformedPathTemplate { raw: raw, segment: s, reason: r }
-                  ParsedSegmentTokens { tokens: seg_tokens } =>
-                    ParsedPathTemplate {
-                      template: PathTemplate { tokens: concat(path.tokens, seg_tokens) }
-                    }
-                }
-            }
-          )
-          parsed
-      }
-  }
-}
-
-fn parse_segment_tokens(seg: String) -> PathSegmentTokensResult {
-  if seg |> contains("{") then
-    let before_and_rest = seg |> split(delimiter: "{")
-    if count(before_and_rest) != 2 then
-      MalformedPathSegment { segment: seg, reason: "multiple opening braces in one segment" }
-    else
-    let prefix = match before_and_rest |> first {
-      Some(p) => p
-      None => ""
-    }
-    let after_open = match before_and_rest |> skip(1) |> first {
-      Some(r) => r
-      None => ""
-    }
-    let name_and_suffix = after_open |> split(delimiter: "}")
-    if prefix |> contains("}") || count(name_and_suffix) != 2 then
-      MalformedPathSegment { segment: seg, reason: "missing closing brace or extra closing brace" }
-    else
-    let param_name = match name_and_suffix |> first {
-      Some(p) => p
-      None => ""
-    }
-    let suffix = match name_and_suffix |> skip(1) |> first {
-      Some(s) => s
-      None => ""
-    }
-    let prefix_tokens = if prefix != "" then
-      [LiteralToken { text: prefix }]
-    else
-      []
-    let param_tokens = if param_name != "" then
-      [ParamToken { name: param_name }]
-    else
-      []
-    let suffix_tokens = if suffix != "" then
-      [LiteralToken { text: suffix }]
-    else
-      []
-    if param_name == "" || suffix |> contains("{") || suffix |> contains("}") then
-      MalformedPathSegment { segment: seg, reason: "invalid parameter segment structure" }
-    else
-      ParsedSegmentTokens { tokens: concat(prefix_tokens, param_tokens, suffix_tokens) }
-  else
-    if seg |> contains("}") then
-      MalformedPathSegment { segment: seg, reason: "stray closing brace" }
-    else
-      ParsedSegmentTokens { tokens: [LiteralToken { text: seg }] }
-}
-
-fn last_path_param(template: PathTemplate) -> String? {
-  let params = template.tokens |> filter(t =>
-    match t {
-      ParamToken => true
-      LiteralToken => false
-    })
-  match params |> last {
-    Some(tok) =>
-      match tok {
-        ParamToken { name: n } => Some(n)
-        LiteralToken => None
-      }
-    None => None
-  }
-}
-
-// ── Effect shapes ───────────────────────────────────────────────
-//
-// 🟢 TERMINAL at the staged effect-algebra scope. These variants are
-// the irreducible operation-effect classes later lanes compose:
-// read, keyed overwrite, keyed delete, create, append. Richer
-// transport facts refine *which* variant a given operation derives,
-// not the variant set itself.
-//
-// The fundamental classification of an operation's effect. Each
-// shape corresponds to an algebraic structure on the state space:
-//
-//   ReadEffect:      identity function on state (trivially idempotent)
-//   UpsertEffect:    lattice meet on Map<K, V> — sets key to value
-//                    meet(state, {k: v}) applied twice = applied once
-//   DeleteEffect:    lattice meet with bottom on key — removes key
-//                    meet(state, {k: ⊥}) applied twice = applied once
-//   CreateEffect:    monoid append — adds new entry without key guard
-//                    NOT idempotent (creates duplicates). The
-//                    `cause` preserves whether the create is the
-//                    conservative POST default or a keyless
-//                    fail-closed fallback from a method that would
-//                    otherwise need a subject key.
-//   AppendEffect:    monoid append on ordered collection
-//                    NOT idempotent (appends duplicates)
-//
-// The state model determines the algebra:
-//   Map<K, V> with upsert/delete → BoundedLattice (idempotent)
-//   Set<T> with insert/remove    → BoundedLattice (idempotent)
-//   List<T> with append          → FreeMonoid (NOT idempotent)
-
-// 🟢 TERMINAL. The idempotent subset of effect shapes. All variants
-// here form either an identity (ReadEffect) or a lattice meet on
-// their target state (UpsertEffect / DeleteEffect); repeat application
-// converges.
-//
-// DB-20 note: `UpsertEffect` records key provenance only (retry/idempotency
-// story). Lane 2 Stage 2e **parallel** scheduling does **not** treat
-// Upsert×Upsert as commuting on that key alone — concurrent-write commutativity
-// needs a value/merge witness not modeled here (fail-closed in
-// `lenses.parallelism` until the algebra grows one).
-type IdempotentShape
-  = ReadEffect
-  | UpsertEffect { key_source: KeySource }
-  | DeleteEffect { key_source: KeySource }
-
-// 🟢 TERMINAL. The non-idempotent subset of effect shapes. Create
-// (POST-style) and Append (free monoid) both duplicate on repeat
-// application, so any workflow that includes them cannot be
-// retried convergently.
-type BreakingShape
-  = CreateEffect { cause: CreateCause }
-  | AppendEffect
-
-// The fundamental classification of an operation's effect, expressed
-// as the disjoint union of its idempotent and breaking subsets.
-// Idempotency is not a property we then derive by scanning variants —
-// it is encoded in the outer variant `IsIdempotent` / `IsBreaking`
-// by construction, so `first_breaker: BreakingShape` and similar
-// restricted carriers are well-typed without filtering.
-type EffectShape
-  = IsIdempotent(IdempotentShape)
-  | IsBreaking(BreakingShape)
-
-// 🟢 TERMINAL at current derivation scope. `CreateEffect` has two
-// semantically distinct provenances that later diagnostics need to
-// keep separate: conservative POST-create and keyless fail-closed
-// fallback. Future richer transport witnesses may change which case
-// derives, but do not remove the distinction.
-//
-// Why a create-shaped effect was derived. This keeps legitimate
-// POST-creates distinct from fail-closed fallback on methods that
-// should have carried a path key.
-type CreateCause
-  = PostAlways
-  | KeylessFallback { method: HttpMethod }
-
-type EffectClassificationFailure
-  = ClassifierAnchorResolutionFailed
-
-type EffectClassificationResult
-  = EffectClassified { shape: EffectShape }
-  | EffectClassificationFailed { failure: EffectClassificationFailure }
-
-// 🟢 TERMINAL. These are the durable structural places an idempotency
-// key can come from in the current effect algebra: path, one field,
-// or a structural tuple of fields. They classify key provenance
-// without inventing a second authority for the operation itself.
-//
-// Where the idempotency key comes from. The key is what makes
-// upsert/delete convergent: operating on the same key with the
-// same value produces the same state regardless of how many times
-// you apply it.
-//
-//   PathParam:     key extracted from URL/path template ({id}, {name})
-//   InputField:    key is a declared input field of the operation
-type KeySource
-  = PathParam { param: String }
-  | InputField { field: String }
-
-// ── Effect evidence ─────────────────────────────────────────────
-//
-// 🟢 TERMINAL at proof-reporting scope. `EffectShape` remains the
-// single authority; this coproduct is the derived proof carrier a
-// later lens/report can project from shape when it needs to explain
-// *why* an operation is or is not idempotent.
-//
-// Per-operation evidence of idempotency. Analogous to
-// `DescentEvidence` in termination proofs:
-//   termination: "this argument is structurally smaller"
-//   idempotency: "this effect forms a lattice on the target state"
-
-type IdempotencyEvidence
-  = LatticeEffect
-  | IdentityEffect
-  | NonIdempotent { reason: String }
-
-// Whether an effect is idempotent — the partition's outer variant
-// already encodes the answer, so this is a single-step match rather
-// than a per-variant enumeration.
-fn is_idempotent_effect(shape: EffectShape) -> Bool {
-  match shape {
-    IsIdempotent => true
-    IsBreaking => false
-  }
-}
-
-// Derived proof carrier for later reports. This is a projection from
-// the single `EffectShape` authority, not a second authored fact.
-fn derive_idempotency_evidence(shape: EffectShape) -> IdempotencyEvidence {
-  match shape {
-    IsIdempotent(inner) =>
-      match inner {
-        ReadEffect => IdentityEffect
-        UpsertEffect => LatticeEffect
-        DeleteEffect => LatticeEffect
-      }
-    IsBreaking(inner) =>
-      match inner {
-        CreateEffect =>
-          NonIdempotent {
-            reason: "create-shaped effect duplicates on repeat application"
-          }
-        AppendEffect =>
-          NonIdempotent {
-            reason: "append-shaped effect duplicates on repeat application"
-          }
-      }
-  }
-}
-
-// ── Effect composition ──────────────────────────────────────────
-//
-// A workflow is idempotent iff all its constituent effects are
-// idempotent. This is because lattice meets compose:
-//   meet_a ∘ meet_b applied twice = meet_a ∘ meet_b applied once
-//   (each individual meet is idempotent, and the composition of
-//   idempotent functions on orthogonal keys is idempotent)
-//
-// Non-idempotent effects poison the composition:
-//   meet_a ∘ append_b applied twice ≠ applied once
-//   (the append duplicates on the second application)
-
-// 🟢 TERMINAL. The composition of idempotent lattice meets is
-// idempotent; a single non-idempotent operation poisons the chain.
-// The judgment space is therefore exactly two states: the workflow
-// converges, or some operation broke convergence. No third state.
-//
-// `first_breaker: ElementRef<Operation>` is an index witness
-// validated against a caller-owned evidence list. It closes the
-// "copied standalone breaker record" hole, but not the full owner or
-// subset proof: `ElementRef` proves list membership for the list used
-// at construction time, while "the pointed operation is breaking" and
-// "the read site is resolving against the same authority list" are
-// still established behaviorally.
-type CompositionVerdict
-  = IdempotentComposition
-  | BrokenBy { first_breaker: ElementRef<Operation> }
-
-// True if this operation is non-idempotent. Reads the partition
-// directly off `EffectShape` — no evidence-projection round-trip.
-fn operation_is_breaking(op: Operation) -> Bool =
-  operation_effect_shape(op) |> effect_shape_is_breaking
-
-fn effect_shape_is_breaking(shape: EffectShape) -> Bool =
-  match shape {
-    IsIdempotent => false
-    IsBreaking => true
-  }
-
-fn operation_effect_shape(op: Operation) -> EffectShape {
-  // The native Stage-2 bridge resolves imported std method anchors from the
-  // host Dag before evaluating these cases and returns
-  // `EffectClassificationFailed` if those anchors are missing or ambiguous.
-  // In the `.dag` body the imports below are already bound declarations. Known
-  // callables are authoritative over transport metadata; unmatched callables
-  // fail closed through `classify_operation_effect` instead of deriving an
-  // effect kind from endpoint transport facts.
-  if op.callable.decl == append_method then
-    IsBreaking(AppendEffect)
-  else
-    if op.callable.decl == concat_method then
-      IsBreaking(CreateEffect { cause: PostAlways })
-  else
-    if op.callable.decl == get_method ||
-       op.callable.decl == lookup_method ||
-       op.callable.decl == map_get_method ||
-       op.callable.decl == has_method ||
-       op.callable.decl == map_has_method ||
-       op.callable.decl == count_method ||
-       op.callable.decl == length_method then
-      IsIdempotent(ReadEffect)
-    else
-    if op.callable.decl == map_insert_method ||
-       op.callable.decl == replace_method ||
-       op.callable.decl == with_method then
-      match operation_resource_key(op) {
-        Some(key) =>
-          IsIdempotent(UpsertEffect {
-            key_source: PathParam { param: key }
-          })
-        None =>
-          IsBreaking(CreateEffect {
-            cause: KeylessFallback { method: op.endpoint.method }
-          })
-      }
-    else
-    if op.callable.decl == diff_method then
-      match operation_resource_key(op) {
-        Some(key) =>
-          IsIdempotent(DeleteEffect {
-            key_source: PathParam { param: key }
-          })
-        None =>
-          IsBreaking(CreateEffect {
-            cause: KeylessFallback { method: op.endpoint.method }
-          })
-      }
-    else
-      IsBreaking(CreateEffect {
-        cause: KeylessFallback { method: op.endpoint.method }
-      })
-}
-
-fn classify_operation_effect(op: Operation) -> EffectClassificationResult {
-  EffectClassified { shape: operation_effect_shape(op) }
-}
-
-fn transport_effect_shape(op: Operation) -> EffectShape {
-  if method_is_read(op.endpoint.method) then
-    IsIdempotent(ReadEffect)
-  else
-    if method_is_upsert(op.endpoint.method) then
-      match operation_resource_key(op) {
-        Some(key) =>
-          IsIdempotent(UpsertEffect {
-            key_source: PathParam { param: key }
-          })
-        None =>
-          IsBreaking(CreateEffect {
-            cause: KeylessFallback { method: op.endpoint.method }
-          })
-      }
-    else
-      if method_is_delete(op.endpoint.method) then
-        match operation_resource_key(op) {
-          Some(key) =>
-            IsIdempotent(DeleteEffect {
-              key_source: PathParam { param: key }
-            })
-          None =>
-            IsBreaking(CreateEffect {
-              cause: KeylessFallback { method: op.endpoint.method }
-            })
-        }
-      else
-        if method_is_post(op.endpoint.method) then
-          IsBreaking(CreateEffect { cause: PostAlways })
-        else
-        IsBreaking(CreateEffect {
-          cause: KeylessFallback { method: op.endpoint.method }
-        })
-}
-
-fn method_is_read(method: HttpMethod) -> Bool =
-  match method {
-    GET => true
-    HEAD => true
-    OPTIONS => true
-    POST => false
-    PUT => false
-    PATCH => false
-    DELETE => false
-  }
-
-fn method_is_upsert(method: HttpMethod) -> Bool =
-  match method {
-    PUT => true
-    PATCH => true
-    GET => false
-    POST => false
-    DELETE => false
-    HEAD => false
-    OPTIONS => false
-  }
-
-fn method_is_post(method: HttpMethod) -> Bool =
-  match method {
-    POST => true
-    GET => false
-    PUT => false
-    PATCH => false
-    DELETE => false
-    HEAD => false
-    OPTIONS => false
-  }
-
-fn method_is_delete(method: HttpMethod) -> Bool =
-  match method {
-    DELETE => true
-    GET => false
-    POST => false
-    PUT => false
-    PATCH => false
-    HEAD => false
-    OPTIONS => false
-  }
-
-fn operation_resource_key(op: Operation) -> String? {
-  match last_path_param(op.endpoint.path) {
-    Some(param) =>
-      match map_get(op.inputs, param) {
-        Some(field) => Some(param)
-        None => None
-      }
-    None => None
-  }
-}
-
-fn breaker_ref(index: Int) -> ElementRef<Operation> {
-  { index: index }
-}
-
-fn indexed_breaker_ref(op: IndexedElement<Operation>) -> ElementRef<Operation>? {
-  if operation_is_breaking(op.value) then
-    Some(breaker_ref(op.index))
-  else
-    None
-}
-
-fn first_breaker_ref(effects: List<Operation>) -> ElementRef<Operation>? {
-  let breaker_candidates = effects |> enumerate |> flat_map(op =>
-    match indexed_breaker_ref(op) {
-      Some(r) => [r]
-      None => []
-    }
-  )
-  breaker_candidates |> first
-}
-
-// Compose a list of operation effects into a workflow-level verdict.
-// Returns `CompositionVerdict` directly — no enclosing record around
-// the verdict plus the input list. Callers that want the evidence
-// chain keep the input `List<Operation>` in scope; pairing the
-// verdict with the walk inside a record would create a second
-// authority (the list) alongside the projected one (the verdict),
-// and `.dag` records are directly constructible, so the two could
-// be made to disagree without any type-level obstruction.
-//
-// Walks the effect list with indices, then returns the first breaking
-// position (if any). `BrokenBy` carries that validated position instead
-// of copying a second breaker record; callers still have to resolve it
-// against the same evidence list they validated it against.
-fn compose_effects(effects: List<Operation>) -> CompositionVerdict {
-  match first_breaker_ref(effects) {
-    Some(b) => BrokenBy { first_breaker: b }
-    None => IdempotentComposition
-  }
-}
-
-// ── DB-18 workflow carrier (Stage 2b) ───────────────────────────
-//
-// Modeling-discipline principle 4: each coproduct / boundary carrier
-// below carries its own 🟢/🟡 stamp — not only this banner.
-//
-// Four-variant coproduct: linear composition delegates to
-// `compose_effects`; branching / loop / parallel are structurally
-// distinct control-flow shapes — the idempotency lens reports
-// `Unsupported` for those until a branch-wise algebra lands.
-//
-// Track 9 parity: `BoolPortRef` mirrors `ParamRef` / `TransformRef` in
-// `substrate.dag` — a named witness carrier, not a bare `PortId` on
-// `BranchArm`. Validity (Bool-typed port) is enforced by
-// `Dag::bool_port_of` on the Rust side; `BranchArm` is built from the witnessed
-// handle (`BranchArm::new` / `Dag::branch_arm_of`). Substrate constructor
-// symmetry is tracked under the same ROADMAP Track 9 debt as other reflected
-// handles.
-
-// 🟢 TERMINAL. Bool-typed port witness — Track 9 parallel to `ParamRef` /
-// `TransformRef`; illegal states (non-Bool port) are rejected at
-// `Dag::bool_port_of` on the Rust substrate (sole Bool-validating constructor).
-type BoolPortRef {
-  port: PortId
-}
-
-// 🟢 TERMINAL. One conditional arm: witnessed predicate + nested workflow body.
-type BranchArm {
-  condition: BoolPortRef
-  body: WorkflowEffect
-}
-
-// 🟢 TERMINAL. Four-way workflow sum — Stage 2b analyzes `LinearEffect` only;
-// `BranchEffect` / `LoopEffect` / `ParallelEffect` return explicit unsupported
-// reports until a branch-wise idempotency algebra lands (see
-// `WorkflowIdempotencyReport`).
-//
-// **Graduation receipt (🟡 scaffold → 🟢 terminal on this carrier):** closed once
-// Lane 2 Stage 2b (`lane2_workflow_idempotency_report` + idempotency lens) and a
-// second Lane-2 workflow consumer (Stage 2e parallelism / `analyze_parallelism`,
-// landed as PR #543) both consumed this sum without a shape change. Additional
-// variants remain gated by DB-18 STOP-AND-ESCALATE — not ad-hoc growth here.
-type WorkflowEffect
-  = LinearEffect { ops: List<Operation> }
-  | BranchEffect { arms: NonSingletonList<BranchArm> }
-  | LoopEffect { body: WorkflowEffect }
-  | ParallelEffect { branches: NonSingletonList<WorkflowEffect> }
-
-// 🟢 TERMINAL. Explicit unsupported payload — names variant, downstream stage,
-// and reason; not a silent `Option` beside a verdict (fail-closed unsupported).
-//
-// Lane 2 Stage 2b report axis: algebra verdict OR this carrier — no outer
-// record pairing verdict with a parallel input list (R3 `ComposedEffect`
-// removal; DB-18 open question §2).
-type IdempotencyUnsupportedDetail {
-  variant_name: String
-  downstream_stage: String
-  reason: String
-}
-
-// 🟢 TERMINAL. Lens boundary sum: composed verdict vs explicit unsupported —
-// two constructors only; no nullable parallel fields.
-type WorkflowIdempotencyReport
-  = WorkflowCompositionVerdict(CompositionVerdict)
-  | IdempotencyUnsupported(IdempotencyUnsupportedDetail)
-
-fn report_unsupported_workflow_variant(
-  variant_name: String,
-  downstream_stage: String,
-  reason: String
-) -> WorkflowIdempotencyReport {
-  IdempotencyUnsupported(IdempotencyUnsupportedDetail {
-    variant_name: variant_name,
-    downstream_stage: downstream_stage,
-    reason: reason,
-  })
-}
-
-// 🟢 TERMINAL. Stage 2e unsupported classes — distinct from Stage 2b
-// `IdempotencyUnsupportedDetail.variant_name` (unsupported *workflow* variant label).
-type ParallelismUnsupportedKind
-  = NoWorkflowProjection
-  | NotParallelEffectRoot
-  | NonLinearParallelBranch
-  | PairwiseNonCommute { left: Operation, right: Operation }
-  | EffectClassificationUnavailable
-  | LensSurfacePending
-
-type ParallelismUnsupportedDetail {
-  kind: ParallelismUnsupportedKind
-  downstream_stage: String
-  reason: String
-}
-
-// 🟢 TERMINAL. Lane 2 Stage 2e (DB-20) — parallel branch composition safety.
-// Projects through `CompositionVerdict` only; unsupported paths stay explicit.
-type WorkflowParallelismReport
-  = ParallelCompositionVerdict(CompositionVerdict)
-  | ParallelismUnsupported(ParallelismUnsupportedDetail)
-
-fn report_parallelism_unsupported(
-  kind: ParallelismUnsupportedKind,
-  reason: String
-) -> WorkflowParallelismReport {
-  ParallelismUnsupported(ParallelismUnsupportedDetail {
-    kind: kind,
-    downstream_stage: "lane2_stage2e_parallelism_lens",
-    reason: reason
-  })
-}
-
-// Stage 2b projection: `LinearEffect` delegates to `compose_effects`; other
-// shapes are explicit unsupported until downstream stages consume them.
-//
-// `d` is the substrate root authority for executable lowering (Rust
-// `compose_operation_effects` needs the `Dag`); the current `.dag` body for
-// `LinearEffect` still routes through the index-only `compose_effects` model.
-fn lane2_workflow_idempotency_report(d: Dag, wf: WorkflowEffect) -> WorkflowIdempotencyReport {
-  match wf {
-    LinearEffect { ops } => WorkflowCompositionVerdict(compose_effects(effects: ops))
-    BranchEffect { .. } =>
-      report_unsupported_workflow_variant(
-        "BranchEffect",
-        "lane2_stage2b_idempotency_lens",
-        "non-linear workflow; branch-wise idempotency composition is not in the Stage 2b algebra"
-      )
-    LoopEffect { .. } =>
-      report_unsupported_workflow_variant(
-        "LoopEffect",
-        "lane2_stage2b_idempotency_lens",
-        "non-linear workflow; loop-carried idempotency composition is not in the Stage 2b algebra"
-      )
-    ParallelEffect { .. } =>
-      report_unsupported_workflow_variant(
-        "ParallelEffect",
-        "lane2_stage2b_idempotency_lens",
-        "non-linear workflow; parallel idempotency composition is not in the Stage 2b algebra"
-      )
-  }
-}
-
-// `analyze_workflow` lives in `src/v3/lenses/idempotency.dag` (Lane 2 Stage 2b
-// lens) — not here — so the name does not duplicate across bootstrap modules.
-// `analyze_parallelism` — same split today: stub in `src/v3/lenses/parallelism.dag`,
-// Rust authority `v3_compiler::analyze_parallelism` (emit can now lower `match`
-// on `WorkflowEffect` in lens modules; port the walk here when ready).
-
-// ── Test obligation generation ──────────────────────────────────
-//
-// For each idempotent op, the compiler emits a test asserting
-// `f(f(x)) == f(x)`. The obligations are data; Lane 2 Stage 2c
-// consumes this list and lowers each obligation into an emitted
-// test body.
-
-type IdempotencyTestObligation {
-  callable: CallableRef
-  effect_shape: EffectShape
-  claim: String
-  witness_required: Bool
-}
-
-fn generate_idempotency_obligations(
-  ops: List<Operation>
-) -> List<IdempotencyTestObligation> {
-  ops |> filter(o => is_idempotent_effect(shape: operation_effect_shape(o)))
-      |> map(o => IdempotencyTestObligation {
-           callable: o.callable,
-           effect_shape: operation_effect_shape(o),
-           claim: "f(f(x)) == f(x)",
-           witness_required: true
-         })
-}
-
-// ── Workflow-level effect concerns ──────────────────────────────
-//
-// Surfaces when a workflow contains a `CreateEffect` operation at
-// a position that breaks workflow-level idempotency. Consumed by
-// Lane 2 Stage 2b's diagnostic construction.
-
-type WorkflowEffectConcern {
-  workflow_name: String
-  create_op: String
-  reason: String
-}
diff --git a/src/v3/std/emission_provenance.dag b/src/v3/std/emission_provenance.dag
deleted file mode 100644
index 5070b9692e9..00000000000
--- a/src/v3/std/emission_provenance.dag
+++ /dev/null
@@ -1,94 +0,0 @@
-// std.emission_provenance — typed carrier for "what produced this emitted line?"
-//
-// Status: STRUCTURALLY TERMINAL; BEHAVIORALLY DEFERRED.
-//
-// Per Director Q1 (a) RATIFIED at gunbc#1739 #issuecomment-4392562911:
-// emission-provenance is analysis (a Lens<C> over physics), not runtime
-// instrumentation. This file authors the typed carrier; the per-Behavior
-// Lens<List<EmissionProvenance>> **structural fns** (read / sequential /
-// branch / iterate / validate) live at `lenses.emission_provenance`.
-// The `data emission_provenance_lens: Lens<List<EmissionProvenance>>`
-// instance is currently **fixture-bound** in the integration test (see
-// `src/v3/compiler/tests/integration/emission_provenance_lens_test.rs::LENS_FIXTURE_SOURCE`)
-// rather than a top-level production `data` item, blocked on Class 5
-// Gap 3 (top-level `ValueBody` boundary). Promotion to top-level
-// production state lands when Class 5 Gap 3 closes; see the
-// `lenses.emission_provenance` file header for the dissolution receipt.
-//
-// **Reshape rationale** (codex BLOCKING at PR #1910 sha 2ed1046e Finding
-// #1, applied here): earlier typed-sum form `EmissionOrigin =
-// SubstrateDeclMirror(SourceSpan) | FoldRuleAutoEmit(EmissionRule)`
-// conflated two orthogonal axes. A single emitted line genuinely can have
-// BOTH attributions (e.g., `#[derive(Debug)]` on an enum has rule =
-// `derive_for_disj` AND source-span attribution to the enum declaration).
-// Record (product) form with mandatory `rule` + optional `source_span`
-// is faithful to actual emission semantics and structurally fail-closed:
-// `rule` presence is enforced by the type system; the type makes
-// "rule absent" structurally impossible.
-//
-// **EmissionRule = String of field-path** per Director Q3 RATIFIED at
-// gunbc#1739 #issuecomment-4392797954: substrate carries structural truth
-// (the `*SyntaxBinding` / `*OpsBinding` field-path that named the
-// template, e.g., `"indexes.syntax.statements.let_binding"`); nominal
-// aliases are display-layer derived, not substrate-side. T-Rule-Enumeration
-// retired per Reading C — the field-path enumeration is structurally
-// already provided by the field set of those structs in
-// `src/v3/compiler/src/emit/rust_target.rs`.
-
-module v3.std.emission_provenance
-
-import std.integer { PositiveInt }
-import v3.std.substrate { SourceSpan }
-
-// 🟢 TERMINAL. Field-path identifier for the emission rule that produced
-// a given line. The string value is the structural field-access path on
-// `*SyntaxBinding` / `*OpsBinding` in `src/v3/compiler/src/emit/rust_target.rs`
-// (e.g., `"indexes.syntax.statements.let_binding"`,
-// `"indexes.syntax.collection_ops.fold"`). Per Director Q3
-// `feedback_reason_not_label`: field-path IS the stable reason; nominal
-// alias is the volatile label.
-type EmissionRule = String
-
-// Optional carrier for SourceSpan absence.
-//
-// **Practice 4 classification: 🟢 PRIMITIVE** — closed 2-variant typed
-// sum, structurally distinguished (presence vs absence), irreducible
-// variants. Direct analog of `OptionalDiagnostic` at `v3.std.dimensions`
-// and the canonical "absence-or-presence" idiom. No dissolution trigger
-// — the two variants are exhaustive and the shape is terminal.
-//
-// v3 std has no generic `Option<T>`; the typed-sum pattern is the
-// idiom. `NoSourceSpan` arm is structurally legal — purely structural
-// emissions (headers, fixed scaffolding, derive-attribute lines) have
-// no `.dag` source declaration to attribute to and MUST surface as
-// `NoSourceSpan` rather than fabricating a span. Per
-// `feedback_no_textual_enforcement_bridges`: fail-closed at the
-// substrate boundary, not via runtime sentinel.
-type OptionalSourceSpan
-  = NoSourceSpan
-  | SomeSourceSpan { value: SourceSpan }
-
-// 🟢 TERMINAL. The "what produced this emitted line?" carrier.
-//
-// - `emitted_line: PositiveInt`: 1-indexed line number in emitted target
-//   output. Refined to `PositiveInt` (`dsl/std/integer.dag:137`,
-//   `Nat where gt_zero`) rather than bare `Int` because line coordinates
-//   are positive by construction; type-system enforces the 1-indexed
-//   contract instead of leaving it as a comment-only invariant.
-// - `rule`: MANDATORY field-path of the rule that produced this line.
-//   Type system enforces presence: every emitted line is attributable
-//   to some rule (even trivial mirror-rules); `rule` absence is
-//   structurally impossible.
-// - `source_span`: OPTIONAL `.dag` source attribution. `SomeSourceSpan`
-//   when the rule's input traces to a `.dag` source declaration;
-//   `NoSourceSpan` for purely structural emissions. Optional-presence
-//   is structurally legal (NOT a diagnostic); only `rule` is mandatory.
-//
-// The two facts are orthogonal — a single emitted line can have BOTH
-// rule AND span (e.g., a derive line on a sum type), so record (product)
-// is the faithful shape, not sum (coproduct).
-type EmissionProvenance {
-  emitted_line: PositiveInt
-  rule: EmissionRule
-  source_span: OptionalSourceSpan
-}
diff --git a/src/v3/std/emit_model.dag b/src/v3/std/emit_model.dag
deleted file mode 100644
index dbf9cd24978..00000000000
--- a/src/v3/std/emit_model.dag
+++ /dev/null
@@ -1,534 +0,0 @@
-module v3.std.emit_model
-
-import v3.spec.v3_l1 { DeclarationRef }
-import v3.std.methods { MethodRef }
-import v3.std.substrate { IntInterval }
-import std.list { List }
-
-// Target ownership is carried on every shared realization as a
-// typed `language: DeclarationRef` field pointing at the owning
-// target's language-spec declaration (e.g., `rust_language`,
-// `go_language`). The reference is resolved via dotted-path
-// lowering at spec parse time; each emitter compares it to its
-// own cached language-spec id to pick up only its entries.
-// Adding a new shared target is a pure spec-file change — drop a
-// `<target>.dag` with a LanguageSpec data item and reference it
-// from each realization. No compiler enum roster to edit.
-type TypeRealization {
-  language: DeclarationRef
-  target: DeclarationRef
-  carrier: String
-  is_copy: Bool
-  fields: List<FieldBinding>
-  cost: Int
-}
-
-// 🟡 SCAFFOLD (Coercion-Fold dissolution — Slice B rows, Slice C consumer).
-// Per-target integer inhabitance facts for structural emission selection; see
-// `docs/audit/scratch-int-examples-dissolution-spec.md` Slice B. Declared as
-// `data` in `src/v3/spec/{rust,python,go}.dag`. Rows are walkable substrate
-// today; Grounding selects rows via `LanguageSpecProjection::DeclaredIntegerIntents`
-// plus program-side `IntegerTargetIntent` facts (executable projection).
-//
-// **INVARIANTS.md E-6** (`docs/invariants/e-6-no-target-spec-field-without-a-same-pr-consumer.md`):
-// Full `emit_rust` / generated-emitter payload reads are still Slice C (#1133 / #1286).
-// **Bounded exception + dissolution ratchet:** rows land under an explicit scaffold marker here;
-// Declared projection consumes these rows structurally (no scratch example driver).
-//
-// **Same-PR consumer (checkpoint, not speculative metadata):** `v3-grounding-coercion-fold`
-// `fold_program_to_target` counts meta-tagged `TargetIntegerTypeInhabitance` declarations in
-// the `dag` before selection — missing
-// rows ⇒ `EmissionDiagnostic::UnderRefined { unspecified_axis: "declared_TargetIntegerTypeInhabitance_rows" }`.
-//
-// **Failing proofs:** `v3_grounding_coercion_fold::tests::declared_projection_requires_emit_model_inhabitance_rows`
-// (empty `dag` trips the row gate); `m2_substrate_inhabitance_test::target_integer_type_inhabitance_rows_are_structural_slice_b_receipt`
-// (bootstrap rows lower structurally).
-type TargetIntegerTypeInhabitance {
-  language: DeclarationRef
-  kernel_integer: DeclarationRef
-  algebra: DeclarationRef
-  bound: TargetIntegerInhabitanceBound
-  // Row field stays `DeclarationRef`; **`v3-grounding-coercion-fold`** fail-closed-refines at
-  // selection time: referenced declaration must carry `TypeRealization` meta
-  // (`dag.type_realization_meta()`) before `SelectedTargetInhabitance` is returned.
-  type_realization: DeclarationRef
-}
-
-// 🟢 TERMINAL — coproduct dissolution receipt (`feedback_coproduct_dissolution` / four-pattern check).
-// LanguageSpec carrier: how an integer inhabitance row attaches static bound facts vs leaving them
-// under-refined for Slice C grounding.
-//
-// **Pattern 1 — Fact placement.** Variants name the same field (`TargetIntegerTypeInhabitance.bound`);
-// the discriminant is KIND of bound attachment, not competing DAG slots. ✓ does not apply.
-//
-// **Pattern 2 — Variant-is-data.** `BoundUnspecified` is unit; `StaticBoundFact(IntInterval)` carries
-// substrate `Interval<Int>`; `PlatformDependentFact` is unit (kind-only target witness). Distinct
-// payloads — not label-only. ✓ does not apply.
-//
-// **Pattern 3 — Algebraic form.** Unspecified vs closed/static interval witness are different emission
-// authorities (defer vs inline Q1 interval); no shared intro/elim form. ✓ does not apply.
-//
-// **Pattern 4 — Dimensional.** Not a coordinate record with `Option` axes per variant; `IntInterval`
-// is the shared substrate bound parent when present. ✓ does not apply.
-//
-// **Conclusion:** irreducible coproduct for Slice B rows; emitters/grounding learn this sum in Slice C.
-// Design rationale (why not optional interval fields on `TargetIntegerTypeInhabitance`, why not parallel
-// top-level `BoundDeclaration` bodies): Pattern 1 at row level would erase the explicit axis; Pattern 2
-// hits DB-10 unparsed gap for those top-level data bodies (`lower_data_item`).
-type TargetIntegerInhabitanceBound
-  = BoundUnspecified
-  | StaticBoundFact(IntInterval)
-  // Target-side kind witness mirroring `BoundDeclaration::PlatformDependent`
-  // (`design-emission-model.md` §Q1): platform-sized integers (`usize`, Go `int`, …)
-  // use this variant instead of widening `StaticBoundFact` intervals.
-  | PlatformDependentFact
-
-type FieldBinding {
-  dag_name: String
-  access: FieldAccess
-  borrowed_read: Bool
-}
-
-// 🟢 TERMINAL. Two-way split of field access shapes a target language
-// can offer: direct field access (`x.field`) vs an accessor method
-// call (`x.field()` in Java-style getters, or method-style projection
-// in Rust where the carrier type exposes the field via a fn). Each
-// variant carries the rendered carrier string. Durable because
-// targets really do split this way.
-type FieldAccess
-  = DirectField(String)
-  | AccessorMethod(String)
-
-type OperatorRealization {
-  language: DeclarationRef
-  target: DeclarationRef
-  op: DeclarationRef
-  carrier: String
-  cost: Int
-}
-
-type BehaviorRealization {
-  language: DeclarationRef
-  target: DeclarationRef
-  carrier: String
-  cost: Int
-}
-
-type CallableRealization {
-  language: DeclarationRef
-  target: DeclarationRef
-  strategy: CallableStrategy
-  parameters: List<CallableParameter>
-  cost: Int
-}
-
-// 🟢 TERMINAL. One entry per Arrow input slot, keyed by `slot` so
-// arity and order drift become representable as a build-time error
-// rather than a silent positional default. Validation: every slot
-// in [0, arity) must appear exactly once. Replaces the bare
-// `List<ParameterDisposition>` shape, which silently defaulted to
-// Borrowed when the spec list was shorter than the callable's
-// declared input arity.
-type CallableParameter {
-  slot: Int
-  disposition: ParameterDisposition
-}
-
-// 🟢 TERMINAL. Per-parameter ownership classification. Borrowed
-// means the callee reads the value and returns ownership to the
-// caller; Consumed means the callee takes ownership. This is the
-// primary fact ownership-rendering-design.md proposes for replacing
-// downstream rendering enums (ReadStrategy/ConstructStrategy) with
-// derivations. Durable because every memory-managed target has
-// to make this distinction at every callable boundary.
-type ParameterDisposition
-  = Borrowed
-  | Consumed
-
-// 🟢 TERMINAL at string-family diagnostic-ordering axis scope. Ownership is a
-// target-row property for string-family candidates, distinct from callable
-// `ParameterDisposition`: it classifies the candidate carrier itself, not how a
-// callee receives one argument. Rows land in target specs later; this slice
-// only provides canonical structural values so consumers do not normalize
-// strings locally.
-type StringOwnershipAxis
-  = Owned
-  | Borrowed
-
-// 🟢 TERMINAL at string-family diagnostic-ordering axis scope. These are the R2
-// lifetime roles shared by lifetime analyzer facts and future target rows.
-// `SelfContained` avoids leaking Rust's `Self_` identifier escaping into the
-// substrate vocabulary; `Caller` names the call-frame-bounded role.
-type StringLifetimeAxis
-  = SelfContained
-  | Caller
-
-// 🟢 TERMINAL at string-family diagnostic-ordering axis scope. `NotApplicable`
-// is an explicit value, not absence: borrowed candidates and returns can say
-// the growability axis does not apply without becoming unknown.
-type StringGrowabilityAxis
-  = Growable
-  | Fixed
-  | NotApplicable
-
-// 🟢 TERMINAL at R2 string-family encoding scope. The design-doc correction
-// makes `.dag` `String` the `FreeMonoid<Char>` family; this value names the
-// UTF-8 target-row semantics consumed by the analyzer/fold bridge. Additional
-// byte or target-specific encodings belong in later LanguageSpec rows.
-type StringEncodingAxis
-  = Utf8FreeMonoidChar
-
-// 🟡 SCAFFOLD. LanguageSpec-owned sibling carrier for string-family
-// diagnostic-ordering rows. The row keeps the #1465 axis authority
-// namespaced and structural: each field references the canonical axis
-// declaration by `DeclarationRef`, and `language` points at the owning
-// `LanguageSpec` declaration. Dissolves when the follow-on row-population
-// declaration lands beside this carrier and a Grounding projection reader
-// consumes `StringFamilyInhabitanceRow` from `LanguageSpec` without a local
-// bridge. Until then, this carrier only establishes the substrate home.
-type StringFamilyInhabitanceRow {
-  language: DeclarationRef
-  target_type: DeclarationRef
-  type_realization: DeclarationRef
-  ownership: DeclarationRef
-  lifetime: DeclarationRef
-  growability: DeclarationRef
-  encoding: DeclarationRef
-}
-
-type TypeInstantiationRealization {
-  language: DeclarationRef
-  target: DeclarationRef
-  carrier: String
-  cost: Int
-}
-
-// Dissolution receipt — 🟡 mixed lifecycle. These variants are the staged target
-// callable-emission strategies that still live in host emitters while `.dag`
-// emission remains partly in Rust. They dissolve when `emit.dag` owns callable
-// lowering directly from the target-language facts; until then, the strategy tag
-// is the single authority for how a std callable lowers into target syntax.
-type CallableStrategy
-  = ListEmpty
-  | ListSingleton
-  | ListCons
-  | ListConcat
-  | ListLength
-  | ListIsEmpty
-  | ListFold
-  | ListMap
-  | ListFilter
-  | ListContains
-
-// Dissolution receipt — 🟡 mixed lifecycle. `PatternRealization` is a staged
-// carrier for structural-match lowering onto realized target carriers such as
-// `List<T> -> Vec<T>` or `[]T`. The terminal target is the same authority
-// expressed as target-language facts consumed by `.dag` emission; this record
-// remains the single authority until that stage lands.
-//
-// **Pattern-role authority (Stage 1e.0):** `strategy` names which lowering
-// recipe applies (`VectorList` today). Emitters validate it fail-closed at
-// index build and **do not** branch on it when rendering — the role is fully
-// expressed by the spec data item (templates + target ref); rendering follows
-// that bundle alone.
-//
-// **Variant-role refs:** `empty_variant` / `cons_variant` name which variant
-// of `target`'s Disj plays each role (e.g., `List.Empty` / `List.Cons`).
-// Dotted-path lowering walks Disj variants to resolve them. Moving role
-// identity into spec data is the single-authority handoff — emitters no
-// longer match variant labels by string.
-//
-// **Shape constraint not expressible in substrate grammar:** a bare
-// `DeclarationRef` admits any declaration, so the type alone does not reject
-// `empty_variant: Int` under `target: List`. The constraint "must be a
-// variant of `target`'s Disj" is enforced at the emitter-binding parse
-// boundary — `validate_pattern_roles` in each of `emit/rust_target.rs`,
-// `emit/python_target.rs`, and `emit.rs` rejects role refs that are not
-// variants of `target`, not distinct from each other, or where `target`
-// itself does not resolve to a Disj. Fail-closed: malformed spec surfaces
-// `MalformedRealization` at load time, not silent wrong output at render
-// time. The terminal resting place is a substrate where variant-of-sum can
-// be expressed structurally (refined `DeclarationRef<VariantOf<T>>`, or
-// similar), which dissolves the boundary check into a type-level fact.
-type PatternRealization {
-  language: DeclarationRef
-  target: DeclarationRef
-  strategy: PatternStrategy
-  empty_variant: DeclarationRef
-  cons_variant: DeclarationRef
-  scrutinee: String
-  empty_pattern: String
-  cons_pattern: String
-  head_expr: String
-  tail_expr: String
-  cost: Int
-}
-
-// List-pattern role tag — single authority lives in each target's
-// `data <target>_list_pattern: PatternRealization` in `spec/*.dag`.
-// Emitters map validated records to emission without per-role `match` arms.
-//
-// `PlaceholderPatternStrategy` keeps the coproduct non-singleton (substrate
-// discipline: avoid a one-variant sum) until a second real role lands; it
-// then dissolves in favor of that role (e.g. tuple-list lowering).
-type PatternStrategy
-  = PlaceholderPatternStrategy
-  | VectorList
-
-type StatementSyntax {
-  let_binding: String
-  let_binding_inferred: String
-}
-
-type ExpressionSyntax {
-  field_access: String
-  function_call: String
-  closure: String
-}
-
-type ForEachSyntax {
-  prefix: String
-  separator: String
-}
-
-type ControlFlowSyntax {
-  if_else: String
-  match_arm: String
-  for_each_syntax: ForEachSyntax
-}
-
-type LiteralSyntax {
-  true_keyword: String
-  false_keyword: String
-  string_delimiter: String
-}
-
-type ModuleSyntax {
-  path_separator: String
-}
-
-type FunctionSyntax {
-  definition: String
-  definition_exported: String
-  definition_void: String
-  param_with_type: String
-  param_separator: String
-}
-
-type TypeApplicationSyntax {
-  optional: String
-}
-
-// Shared `LanguageSpec.type_definitions` shape — every target instantiates this
-// conj. `LanguageSpec.record_derive_templates` points at
-// `RecordDeriveTemplateBundle` (per-target `data` in `*_spec/*.dag`).
-type TypeDefinitionSyntax {
-  struct_def: String
-  struct_field: String
-  enum_def: String
-  enum_unit_variant: String
-  enum_data_variant: String
-}
-
-// Target-neutral string templates for emitting a user `struct` / `enum` when a
-// full `Debug` (or other) derive set cannot be used — e.g. first-class
-// `fn` storage fields (Rust: `Rc<dyn Fn…>`). **Only `emit_rust` consumes
-// this today**; Go/Python `*_record_derive_templates` are empty
-// `RecordDeriveTemplateBundle` `data` rows that **inhabit** the shared
-// `LanguageSpec` Conj (same P2 single-shape rule as `type_definitions`: every
-// target’s `*_language` must be structurally complete) — those emitters
-// do not read the strings until they implement the policy.
-// See TODO(dissolve) and `INVARIANTS.md#e-6` (boundary / unconsumed data).
-type RecordDeriveTemplateBundle {
-  struct_def_no_debug: String
-  enum_def_no_debug: String
-}
-// TODO(dissolve, #676 / P2) — **named + bounded**:
-// - **Retire** in the PR that does either: (A) a substrate `derive` / repr
-//   authority exists and the Rust record emitter reads only that (delete these
-//   ad hoc strings and this conj field as redundant), or (B) `emit_go` or
-//   `emit_python` is wired to read `LanguageSpec.record_derive_templates` with
-//   real templates so the empty P2 `data` rows for that field are not the
-//   long-term story. **Done** when the bridge has a single read authority for
-//   Rust and no target relies on inert cross-target `data` placeholders.
-// - **Until then:** empty Go/Python `data` only inhabit the shared `LanguageSpec`
-//   Conj; see E-6 above.
-
-type PatternMatchSyntax {
-  match_expr: String
-  match_arm: String
-  variant_pattern: String
-  variant_pattern_positional: String
-  variant_pattern_empty: String
-  field_binding: String
-  field_binding_separator: String
-  wildcard: String
-}
-
-type CollectionOps {
-  // Realizations of `FreeMonoid<T>.concat` / `length` / `is_empty` / `fold` and
-  // the Rust higher-order quartet — each `DeclarationRef` points at a
-  // `MethodTemplateContract` value (same carrier as per-target
-  // `*_method_template_contracts` rows). Template strings live only on those
-  // contracts; these fields are identity, not render data.
-  concat_contract: DeclarationRef
-  length_contract: DeclarationRef
-  // `FreeMonoid<T>.is_empty` — `dag_method` is `is_empty_method`; templates carry target sugar.
-  is_empty_contract: DeclarationRef
-  fold_contract: DeclarationRef
-  filter_contract: DeclarationRef
-  flat_map_contract: DeclarationRef
-  any_contract: DeclarationRef
-  all_contract: DeclarationRef
-  map_contract: DeclarationRef
-  // Legacy literal fields remain for targets/render paths not yet migrated to
-  // `MethodTemplateContract` references. Rust filter now consumes
-  // `filter_contract`'s `HigherOrderTemplates.inline_template`.
-  // Dissolution trigger: delete these legacy collection render literals once
-  // all CollectionOps render paths select templates through contract refs.
-  filter: String
-  contains: String
-  empty_list: String
-  list_literal: String
-  cons: String
-}
-
-type ValueConstructionSyntax {
-  struct_literal: String
-  struct_field_init: String
-  struct_field_separator: String
-  variant_construction: String
-  variant_named_construction: String
-}
-
-type RenderingModel {
-  read: ReadStrategy
-  construct: ConstructStrategy
-}
-
-// 🟡 SCAFFOLD. Per-target read strategy: Borrow renders `&T`-style
-// references; PassByValue renders owned values. Lives here because
-// the current emitter dispatches on a target-level rendering tag.
-// Dissolution path: ownership-rendering-design.md proposes deriving
-// per-edge read mode from MemoryModel × ParameterDisposition × the
-// edge's use-site classification (Read vs Construct). Once that
-// derivation lands, RenderingModel.read goes away — this enum
-// dissolves with it.
-type ReadStrategy
-  = Borrow
-  | PassByValue
-
-// 🟡 SCAFFOLD. Per-target construction strategy: CopyOrClone renders
-// `.clone()`-style duplication on Conj construction; PassByValue
-// renders direct value moves. Same dissolution path as ReadStrategy
-// — replaced by per-edge derivation from MemoryModel ×
-// ParameterDisposition.
-type ConstructStrategy
-  = CopyOrClone
-  | PassByValue
-
-type LanguageSpec {
-  statements: DeclarationRef
-  expressions: DeclarationRef
-  control_flow: DeclarationRef
-  literals: DeclarationRef
-  modules: DeclarationRef
-  functions: DeclarationRef
-  type_applications: DeclarationRef
-  type_definitions: DeclarationRef
-  // P2: see `RecordDeriveTemplateBundle` TODO(dissolve) in this file; empty
-  // `data` in non-Rust specs inhabit the Conj only (E-6).
-  record_derive_templates: DeclarationRef
-  patterns: DeclarationRef
-  collection_ops: DeclarationRef
-  values: DeclarationRef
-}
-
-// Placeholder convention for method-template render strings.
-//
-// `IndexedArgs` — positional placeholders `{arg0}`, `{arg1}`, … as used by
-// `dsl/extdeps/languages/{rust,python,go}/runtime.dag` `MethodTranslation`
-// rows.
-// `NamedArg` — single `{arg}` placeholder as used by Rust `emit.dag`
-// `SimpleMethodSpec` and Python/Go `emit.dag` template maps.
-//
-// The receiver placeholder `{recv}` is common to both conventions and lives
-// outside this axis.
-//
-// 🟡 SCAFFOLD coproduct. Pattern 1 (per-call template typing) fails because
-// today's templates are opaque `String` values whose placeholder dialect is
-// observable only by string inspection — there is no upstream type-system
-// fact distinguishing `{arg0}/{arg1}` indexed slots from a single named
-// `{arg}` slot. Pattern 2 (collapse to a single labeled record) erases the
-// closed semantic split that consumers actually dispatch on. Pattern 3 is
-// the dissolution path: when method-template substrate parses templates
-// into structured slot facts (a typed `List<TemplateSegment>` with arity
-// and slot-kind known structurally), this convention tag derives from
-// segment shape and the named coproduct retires. Trigger: structured
-// template-segment substrate in a follow-up substrate-completion lane.
-// Until then this scaffold is the single declared authority for the
-// dialect axis.
-type PlaceholderConvention
-  = IndexedArgs
-  | NamedArg
-
-// 🟢 TERMINAL at target method-emission-template scope. Method emit
-// templates split structurally between ordinary single-expression
-// renderings and higher-order method renderings that must preserve two
-// target-specific templates: an inline-lambda body template and a
-// function-reference adapter template. The row-level `wraps_result`
-// remains the single wrapping authority for both cases; the higher-order
-// variant intentionally does not carry a second wrapping bit. Pattern 1
-// (merge into optional fields on `MethodTemplateContract`) fails because
-// the two-template shape is a closed semantic case, not sparse data on
-// every row. Pattern 2 (sibling carrier) fails because it would split the
-// single per-method emit-template authority across parallel row lists.
-// Pattern 3 (collapse into one string) would lose the inline-vs-fn-ref
-// distinction carried by Rust's legacy `HigherOrderMethodSpec`. No
-// dissolution trigger: later targets can attach to one of these durable
-// cases, and any richer typed template-segment substrate refines inside
-// the variant payloads rather than replacing the coproduct.
-type MethodEmitTemplate
-  = SingleTemplate { template: String }
-  | HigherOrderTemplates {
-      inline_template: String
-      fn_ref_template: String
-    }
-
-// Per-target, per-method template contract. Sibling carrier to §6a
-// `MethodContract` in `src/v3/std/algebra.dag` — that one carries
-// target-agnostic cost/complexity metadata keyed by
-// `(algebra_id, method_id)`; this one carries target-specific render
-// templates keyed by `dag_method`. The two are orthogonal sibling facts
-// attached to method declarations; neither is a parent or child of the
-// other (P1 step 1).
-//
-// Single template-contract fact per row — no cost/complexity fields
-// (P1 step 2). Per-target identity is carried by the containing
-// `data <target>_method_template_contracts: List<MethodTemplateContract>`
-// list authority, not duplicated on the row (P2 single-authority).
-//
-// `dag_method: MethodRef` (refined from bare `DeclarationRef` per the
-// #1175 substrate gap). `MethodRef` (`src/v3/std/methods.dag`) wraps a
-// `DeclarationRef` whose target is a `MethodDeclaration` data binding
-// in `dsl/std/methods.dag` — the method-name registry that pins
-// stable identity for the 63 unique method names carried by the
-// `dsl/std/algebra.dag` per-profile template lists. The bare-
-// `DeclarationRef` admits-anything residual is now bounded by the
-// `MethodRef` wrapper; the inner `decl` still admits any declaration
-// at the type level (same residual class as `PatternRealization`
-// `empty_variant` / `cons_variant` at lines 140–152), with the
-// resolution check enforced fail-closed at the boundary until
-// substrate-level refinement-typing-on-DeclarationRef lowers.
-//
-// 🟡 TRANSITIONAL. This carrier consolidates the parallel-rep ×3 between
-// `MethodTranslation` (`runtime.dag`) and `SimpleMethodSpec` (`emit.dag`)
-// across Rust/Python/Go. Row population and old-carrier retirement are
-// Grounding-owned and land in follow-up work.
-type MethodTemplateContract {
-  dag_method: MethodRef
-  runtime_template: String
-  emit_template: MethodEmitTemplate
-  wraps_result: Bool
-  placeholder_convention: PlaceholderConvention
-}
diff --git a/src/v3/std/extdeps_bootstrap_fixtures.dag b/src/v3/std/extdeps_bootstrap_fixtures.dag
deleted file mode 100644
index 15117947597..00000000000
--- a/src/v3/std/extdeps_bootstrap_fixtures.dag
+++ /dev/null
@@ -1,78 +0,0 @@
-module v3.std.extdeps_bootstrap_fixtures
-
-// B4.4 — Structural bootstrap fixture-set carrier.
-//
-// Single substrate authority for *which* `.dag` files are loaded into the
-// PB-1-e bootstrap Dag as structural primitive data (Path 2 pilot). The
-// fixture set is **mixed-tree** as of T-Ground-LanguageSpec scope E.1:
-// per-target render-template contract lists live under `src/v3/std/` (the
-// v2 walker doesn't traverse that tree, avoiding the cross-tree-import
-// regression #1187 surfaced); target primitives still live under
-// `dsl/extdeps/languages/`. The carrier is the structural authority
-// regardless of where each file physically lives.
-//
-// The regen host (`bootstrap_regen_fresh`) filters `STAGED_FILES`
-// (`src/v3/std/*.dag`) and `EXTDEPS_FILES` (`dsl/extdeps/**/*.dag`)
-// through the `virtual_path` strings recorded here. At runtime the
-// committed bootstrap snapshot load compares those paths to
-// `BOOTSTRAP_FIXTURE_PATH_KEYS` in `bootstrap.rs` (see `dag.rs`).
-//
-// **Filename note.** This file is named
-// `extdeps_bootstrap_fixtures.dag` for historical reasons (B4.4 landed
-// under the extdeps-only framing). The name is preserved so the
-// parse-corpus manifest path stays stable; the carrier-name rename
-// (`Extdeps...` → unprefixed) reflects the now-mixed scope without
-// incurring a manifest-row churn.
-
-// One source file authorized for bootstrap loading.
-type BootstrapFixture {
-  virtual_path: String
-}
-
-// Named product of every pilot fixture row (extend with new fields when adding
-// targets; cost of change stays this file + the parallel `const` filter).
-type BootstrapFixtureSet {
-  rust_grounding_primitives: BootstrapFixture
-  rust_method_template_contracts: BootstrapFixture
-  python_method_template_contracts: BootstrapFixture
-  go_method_template_contracts: BootstrapFixture
-  anthropic_operations: BootstrapFixture
-  cross_target_coverage: BootstrapFixture
-  extdeps_cron: BootstrapFixture
-  extdeps_github_github: BootstrapFixture
-  extdeps_github_actions: BootstrapFixture
-  extdeps_github_ci: BootstrapFixture
-}
-
-data bootstrap_fixture_authority: BootstrapFixtureSet = {
-  rust_grounding_primitives: {
-    virtual_path: "dsl/extdeps/languages/rust/primitives.dag"
-  },
-  rust_method_template_contracts: {
-    virtual_path: "src/v3/std/rust_method_template_contracts.dag"
-  },
-  python_method_template_contracts: {
-    virtual_path: "src/v3/std/python_method_template_contracts.dag"
-  },
-  go_method_template_contracts: {
-    virtual_path: "src/v3/std/go_method_template_contracts.dag"
-  },
-  anthropic_operations: {
-    virtual_path: "src/v3/std/anthropic_operations.dag"
-  },
-  cross_target_coverage: {
-    virtual_path: "src/v3/std/cross_target_coverage.dag"
-  },
-  extdeps_cron: {
-    virtual_path: "dsl/extdeps/cron/schedule_model.dag"
-  },
-  extdeps_github_github: {
-    virtual_path: "dsl/extdeps/github/github.dag"
-  },
-  extdeps_github_actions: {
-    virtual_path: "dsl/extdeps/github/actions.dag"
-  },
-  extdeps_github_ci: {
-    virtual_path: "dsl/extdeps/github/ci.dag"
-  }
-}
diff --git a/src/v3/std/go_method_template_contracts.dag b/src/v3/std/go_method_template_contracts.dag
deleted file mode 100644
index 9e62fcaeb6a..00000000000
--- a/src/v3/std/go_method_template_contracts.dag
+++ /dev/null
@@ -1,218 +0,0 @@
-// v3.std.go_method_template_contracts -- per-method render-template
-// rows for the Go target. See sibling
-// `rust_method_template_contracts.dag` for the full scope / authority /
-// home / convention notes.
-//
-// GO-SPECIFIC NOTES:
-//   - The legacy emit authority (`go_method_templates: Map<String, String>`
-//     in `dsl/extdeps/languages/go/emit.dag`) does not carry
-//     `wraps_result`. Per Q4 four-property gate, every row's
-//     `wraps_result` is structurally `false` for Go — declared
-//     explicitly here, NOT silently inherited from Rust.
-//   - `string_contains` is now classified as a target-only emit-shortcut
-//     name in `dsl/std/methods.dag` (#1549 Gap 1 / R3 dispatch on parent
-//     inbox #1130). The row below references `string_contains_method`
-//     and renders Go's `strings.Contains({recv}, {arg})` for the
-//     substring shape; this is structurally distinct from algebra
-//     `contains` (collection membership).
-//   - `{arg0}` → `{arg}` rewrite applied to runtime templates (`join`,
-//     `split`); rows use `placeholder_convention: NamedArg` uniformly.
-//   - `chars` is present only in `collection_method_translations`
-//     (Go runtime). The runtime template `strings.Split({recv}, "")`
-//     embeds an escaped empty-string literal (`\"\""`) which the
-//     current `.dag` tokenizer fails to lower as a structural list
-//     element (the body falls back to `ValueBody::Unparsed`). Skipping
-//     the row in Phase 1 keeps the list lowerable; legacy Go runtime
-//     authority continues serving v2 until Phase 2 retires it. The
-//     escaped-empty-string handling is a tokenizer-level question
-//     orthogonal to row population — flag for Phase 2 / parser-level
-//     follow-up rather than block Phase 1 dispatch.
-//   - Methods present only in `go_method_templates` (map,
-//     filter, any, all, flat_map, skip, take, sort_by, append)
-//     use the emit template for both row sides for the symmetric
-//     reason.
-//     `concat` / `fold` / `map` — LanguageSpec `CollectionOps.{concat,fold,map}_contract`
-//     carries named carriers (`go_language_spec_*`). **Map** is **not** in the list below (same
-//     pattern as **fold**): `map_contract` is the CollectionOps stub; a list row would be
-//     `v2rt.Map` + `{arg}` (legacy adapter) — incompatible with the stub’s `{body}` contract in
-//     one carrier without a structural split.
-
-module v3.std.go_method_template_contracts
-
-import v3.std.emit_model {
-  MethodTemplateContract,
-  PlaceholderConvention,
-  NamedArg,
-  SingleTemplate
-}
-import v3.std.methods { MethodRef }
-import std.methods {
-  count_method,
-  join_method,
-  split_method,
-  concat_method,
-  map_method,
-  filter_method,
-  any_method,
-  all_method,
-  flat_map_method,
-  skip_method,
-  take_method,
-  fold_method,
-  is_empty_method,
-  length_method,
-  sort_by_method,
-  append_method,
-  string_contains_method
-}
-
-// **P2 single authority** for `concat_method`: `CollectionOps.concat_contract` uses
-// `{left}` / `{right}` (monoid concat). It does **not** repeat inside the list below —
-// that row used `append({recv}, {arg}...)` (different placeholder shape), a second
-// parallel contract for the same registry method.
-data go_language_spec_free_monoid_concat_contract: MethodTemplateContract = {
-  dag_method: { decl: concat_method },
-  runtime_template: "append({left}, {right}...)",
-  emit_template: SingleTemplate { template: "append({left}, {right}...)" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data go_language_spec_free_monoid_length_contract: MethodTemplateContract = {
-  dag_method: { decl: length_method },
-  runtime_template: "int64(len({recv}))",
-  emit_template: SingleTemplate { template: "int64(len({recv}))" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-// Emptiness — `dag_method` is `is_empty_method`; template is Go `len(...) == 0` sugar.
-data go_language_spec_free_monoid_emptiness_contract: MethodTemplateContract = {
-  dag_method: { decl: is_empty_method },
-  runtime_template: "len({recv}) == 0",
-  emit_template: SingleTemplate { template: "len({recv}) == 0" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-// **P2 single authority** for `fold_method` on the Go target: LanguageSpec
-// `CollectionOps.fold_contract` uses the explicit `{recv}` / `{init}` / `{body}`
-// stub. It does **not** repeat inside `go_method_template_contracts` below —
-// that list row used `v2rt.Fold({recv}, {arg})` (different placeholder shape),
-// a second parallel contract for the same registry method; see
-// `docs/briefs/collectionops-algebra-reframe.md`.
-data go_language_spec_free_monoid_fold_contract: MethodTemplateContract = {
-  dag_method: { decl: fold_method },
-  runtime_template: "/* fold({recv}, {init}, {body}) */",
-  emit_template: SingleTemplate { template: "/* fold({recv}, {init}, {body}) */" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-// LanguageSpec `CollectionOps.map_contract` — comment-placeholder stub until Go HOC map emit exists.
-// **Sole** `map_method` authority for `map_contract` (not listed below — same as fold).
-// **Dissolution trigger (P5 scaffold):** replace `/* map(...) */` below with real runtime/emit templates
-// when `emit/go_target.rs` binds collection map through this contract (see ROADMAP Phase-3 map /
-// Go stub dissolution). Ratchet: no `/* map(` substring remains in this `data` row.
-data go_language_spec_map_contract: MethodTemplateContract = {
-  dag_method: { decl: map_method },
-  runtime_template: "/* map({recv}, {body}) */",
-  emit_template: SingleTemplate { template: "/* map({recv}, {body}) */" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data go_filter_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: filter_method },
-  runtime_template: "v2rt.Filter({recv}, {arg})",
-  emit_template: SingleTemplate { template: "v2rt.Filter({recv}, {arg})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data go_any_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: any_method },
-  runtime_template: "v2rt.Any({recv}, {arg})",
-  emit_template: SingleTemplate { template: "v2rt.Any({recv}, {arg})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data go_all_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: all_method },
-  runtime_template: "v2rt.All({recv}, {arg})",
-  emit_template: SingleTemplate { template: "v2rt.All({recv}, {arg})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data go_flat_map_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: flat_map_method },
-  runtime_template: "v2rt.FlatMap({recv}, {arg})",
-  emit_template: SingleTemplate { template: "v2rt.FlatMap({recv}, {arg})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data go_method_template_contracts: List<MethodTemplateContract> = [
-  {
-    dag_method: { decl: count_method },
-    runtime_template: "len({recv})",
-    emit_template: SingleTemplate { template: "len({recv})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: join_method },
-    runtime_template: "strings.Join({recv}, {arg})",
-    emit_template: SingleTemplate { template: "strings.Join({recv}, {arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: split_method },
-    runtime_template: "strings.Split({recv}, {arg})",
-    emit_template: SingleTemplate { template: "strings.Split({recv}, {arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  go_filter_method_template_contract,
-  go_any_method_template_contract,
-  go_all_method_template_contract,
-  go_flat_map_method_template_contract,
-  {
-    dag_method: { decl: skip_method },
-    runtime_template: "{recv}[{arg}:]",
-    emit_template: SingleTemplate { template: "{recv}[{arg}:]" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: take_method },
-    runtime_template: "{recv}[:{arg}]",
-    emit_template: SingleTemplate { template: "{recv}[:{arg}]" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: sort_by_method },
-    runtime_template: "v2rt.SortBy({recv}, {arg})",
-    emit_template: SingleTemplate { template: "v2rt.SortBy({recv}, {arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: append_method },
-    runtime_template: "append({recv}, {arg})",
-    emit_template: SingleTemplate { template: "append({recv}, {arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: string_contains_method },
-    runtime_template: "strings.Contains({recv}, {arg})",
-    emit_template: SingleTemplate { template: "strings.Contains({recv}, {arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  }
-]
diff --git a/src/v3/std/induction.dag b/src/v3/std/induction.dag
deleted file mode 100644
index 95b1bb7d23b..00000000000
--- a/src/v3/std/induction.dag
+++ /dev/null
@@ -1,1119 +0,0 @@
-// std.induction -- v3-staged inductive structure, sub-value relations, and cost
-// bounds (Lane E-I). Bootstrap-staged mirror of `dsl/std/induction.dag` for
-// v3. Keep carrier shapes and pure helpers aligned with `dsl/` while v2 still
-// scans `dsl/`.
-//
-// std/induction.dag (origin) -- Inductive type structure and structural recursion.
-//
-// Every .dag type with recursive fields is an inductive type. Its
-// structure contains all the information needed for termination proofs
-// and complexity bounds. This file models the type-level facts from
-// which complexity analysis is DERIVED — no heuristic pattern-matching,
-// no hand-maintained accessor tables.
-//
-// EXTERNAL AUTHORITY:
-//   - Initial algebras of endofunctors: Lambek (1968)
-//     https://en.wikipedia.org/wiki/Initial_algebra
-//     An inductive type is the initial algebra of its signature functor.
-//     The type definition IS the functor; the constructors are the algebra.
-//   - Catamorphisms: Meijer, Fokkinga, Paterson (1991) "Bananas" paper
-//     https://en.wikipedia.org/wiki/Catamorphism
-//     Every initial algebra has a unique fold (catamorphism). A function
-//     that recurses only on sub-terms of its inductive argument IS a
-//     catamorphism. Termination is guaranteed by well-foundedness.
-//   - Size-change termination: Lee, Jones, Ben-Amram (2001)
-//     https://en.wikipedia.org/wiki/Size-change_termination_principle
-//     Termination is decidable when each call either strictly decreases
-//     or preserves a well-founded measure. SubValueRelation models the
-//     size-change graph edges.
-//   - Well-founded induction: Floyd (1967), Turing (1949)
-//     https://en.wikipedia.org/wiki/Well-founded_relation
-//     Every inductive type has a natural well-founded ordering: the
-//     sub-term relation. The size measure (constructor count) maps to ℕ.
-//   - Structural induction / primitive recursion:
-//     https://en.wikipedia.org/wiki/Structural_induction
-//     Recursion on sub-terms of an inductively defined structure is
-//     guaranteed to terminate. InductiveField models the sub-term positions.
-//   - Master theorem: Bentley, Haken, Saxe (1980); CLRS Theorem 4.1
-//     https://en.wikipedia.org/wiki/Master_theorem_(analysis_of_algorithms)
-//     For recurrences T(n) = a·T(n/b) + O(n^d), the asymptotic bound
-//     is determined by comparing log_b(a) with d.
-//   - Asymptotic notation: Knuth (1976) "Big Omicron and big Omega"
-//     https://en.wikipedia.org/wiki/Big_O_notation
-//     O(f(n)) denotes the class of functions bounded above by c·f(n)
-//     for sufficiently large n.
-//
-// RELATIONSHIP TO std/termination.dag:
-//   termination.dag defines DescentEvidence and RankingDimension as
-//   abstract proof components. This file defines the TYPE-LEVEL facts
-//   that PRODUCE ranking dimensions and descent evidence. A
-//   RankingDimension is a consequence of an InductiveField; a
-//   DescentEvidence is a consequence of a SubValueRelation.
-//
-// RELATIONSHIP TO std/computation.dag:
-//   computation.dag defines CallPattern → LoweringTarget. This file's
-//   SubValueRelation produces the CallPattern for a self-call.
-//
-// RELATIONSHIP TO std/iteration.dag:
-//   iteration.dag defines descend (tree catamorphism) and fold (list
-//   catamorphism). This file proves WHICH recursive functions are
-//   catamorphisms — i.e., which functions structurally recurse on
-//   sub-terms of an inductive type.
-//
-// DESIGN PRINCIPLE (P1 from cx-design.md):
-//   Descent is a TYPE-LEVEL fact. The type definition `children: List<Node>`
-//   IS the descent fact. The complexity analyzer should never need to know
-//   about specific accessor functions. It reads from the type that certain
-//   fields carry recursive sub-structure.
-
-module std.induction
-
-import std.termination {
-  DescentEvidence, Strict, NonIncreasing, DescentUnknown,
-  RankingDimension, TreeSize,
-  PositiveDescentAmount, OneStep, AdditionalStep,
-  ProportionalDivisor, DivideByTwo, StrictlyLarger,
-  proportional_divisor_to_int,
-  positive_descent_amount_from_positive_int,
-  proportional_divisor_from_int_at_least_two,
-  peano_literal_materialization_cap,
-  positive_descent_count
-}
-import std.computation {
-  CallPattern, ChildAccessorCall, FoldBodyCall, SameArgumentCall,
-  ArithmeticSubtractCall, ArithmeticDivideCall,
-  LoweringTarget, IterationPrimitive, Descend, Fold, Repeat,
-  ShrinkFactor, UnitShrink, ConstantShrink, ProportionalShrink,
-  CollectionSize, ArithmeticParam, Forever,
-  tree_size_bound
-}
-import std.algebra {
-  SymbolicCost, ConstantCost, UnknownCost
-}
-
-
-
-// =========================================================================
-// RecursionShape — how a field references its parent type
-// =========================================================================
-
-// The .dag type system has these ways a field can reference its parent
-// type. These correspond to positions in the signature functor of the
-// initial algebra (Lambek 1968):
-//
-//   DirectRecursion:     F(X) = ... × X × ...
-//   ListRecursion:       F(X) = ... × List(X) × ...   (free monoid functor)
-//   OptionalRecursion:   F(X) = ... × (1 + X) × ...   (maybe functor)
-//   SetRecursion:        F(X) = ... × Set(X) × ...    (powerset functor)
-//   MapValueRecursion:   F(X) = ... × Map(K, X) × ... (partial function functor)
-//
-// These enumerate the container types in the .dag language. Adding a new
-// container type to the language adds one variant here.
-//
-// 🟢 TERMINAL at E-I inductive-shape scope. Pure functor-shape partition for
-// recursive field wrappers; no name-like payloads.
-
-type RecursionShape
-  = DirectRecursion       // field_type == parent_type
-  | ListRecursion         // field_type == List<parent_type>
-  | OptionalRecursion     // field_type == parent_type?
-  | SetRecursion          // field_type == Set<parent_type>
-  | MapValueRecursion     // field_type == Map<K, parent_type>
-
-
-// =========================================================================
-// InductiveField — one recursive position in a type definition
-// =========================================================================
-
-// An InductiveField is one position in the signature functor of an
-// inductive type. It records:
-//   - WHICH type is inductive (type_name)
-//   - WHICH constructor contains the recursion (variant_name, "" for records)
-//   - WHICH field carries the recursive reference (field_name)
-//   - HOW the reference is wrapped (shape)
-//
-// For type Node { children: List<Node>, body: Node?, name: String }:
-//   InductiveField { type_name: "Node", variant_name: "", field_name: "children", shape: ListRecursion }
-//   InductiveField { type_name: "Node", variant_name: "", field_name: "body", shape: OptionalRecursion }
-//   (name: String produces no InductiveField — it's not recursive)
-//
-// For type MyList<T> = Nil | Cons { head: T, tail: MyList<T> }:
-//   InductiveField { type_name: "MyList", variant_name: "Cons", field_name: "tail", shape: DirectRecursion }
-//
-// 🟡 SCAFFOLD. Type/variant/field identities are `String` bridges until reflected
-// declarations supply structural references; `RecursionShape` is terminal.
-
-type InductiveField {
-  type_name: String         // type that owns this field ("Node", "InferredNode")
-  variant_name: String      // "" for records, variant name for sum types
-  field_name: String        // "children", "body", "node"
-  shape: RecursionShape     // how field references recursive structure
-  element_type: String      // type of the element (== type_name for self-referential, different for cross-type)
-}
-
-fn recursion_shape_eq(a: RecursionShape, b: RecursionShape) -> Bool {
-  match a {
-    DirectRecursion => match b { DirectRecursion => true, _ => false }
-    ListRecursion => match b { ListRecursion => true, _ => false }
-    OptionalRecursion => match b { OptionalRecursion => true, _ => false }
-    SetRecursion => match b { SetRecursion => true, _ => false }
-    MapValueRecursion => match b { MapValueRecursion => true, _ => false }
-  }
-}
-
-fn inductive_field_eq(a: InductiveField, b: InductiveField) -> Bool {
-  a.type_name == b.type_name &&
-    a.variant_name == b.variant_name &&
-    a.field_name == b.field_name &&
-    recursion_shape_eq(a: a.shape, b: b.shape) &&
-    a.element_type == b.element_type
-}
-
-
-// =========================================================================
-// InductiveField → RankingDimension
-// =========================================================================
-
-// Every inductive type has a natural size measure: the number of
-// constructors in a value. All recursion shapes produce TreeSize
-// because they all measure structural depth.
-
-fn inductive_field_to_dimension(field: InductiveField, param: String) -> RankingDimension {
-  TreeSize { param: param }
-}
-
-
-// =========================================================================
-// ShrinkFactor — imported from std.computation (moved to avoid circular dep)
-
-
-// =========================================================================
-// SubValueRelation — call-site descent evidence
-// =========================================================================
-
-// At each self-call site, each argument either:
-//   - Is obtained by deconstructing through a recursive field (StrictSubValue)
-//   - Is an element from iterating over a recursive list field (IteratedSubValue)
-//   - Is the same value, no descent (PreservedValue)
-//   - Cannot be classified by the analyzer (SubValueUnknown — fail-closed)
-//
-// SubValueUnknown is categorically different from PreservedValue:
-//   PreservedValue = the argument IS the parameter (no descent, bounded by Forever)
-//   SubValueUnknown = the analyzer cannot determine the relationship (hard error)
-//
-// 🟡 MIXED. Mirror of `dsl/std/induction.dag` carrier — see that file for the full Inc-split
-// rationale (option (A), operator-ratified 2026-05-21, codex #15892 vs #15942 resolution).
-//
-// Lattice ordering (top → bottom):
-//   MixedTop                                                       -- ⊤
-//   < StrictAxisErased < { StrictSubValue / IteratedSubValue / ArithmeticDescent }
-//   MixedTop > PreservedValue
-//   < NonIncreasingValue < SubValueUnknown
-//
-// StrictAxisErased projects to Strict; MixedTop projects to NonIncreasing — see
-// sub_value_to_evidence and the inline comments at the bridge functions below.
-
-type SubValueRelation
-  = StrictSubValue { field: InductiveField, factor: ShrinkFactor }
-  | IteratedSubValue { field: InductiveField }
-  | ArithmeticDescent { param: String, factor: ShrinkFactor }
-  | PreservedValue
-  | NonIncreasingValue
-  | StrictAxisErased
-  | MixedTop
-  | SubValueUnknown
-
-
-// =========================================================================
-// ShrinkFactor is now on LoweringTarget directly (no wrapper needed).
-
-
-// =========================================================================
-// SubValueRelation → DescentEvidence
-// =========================================================================
-
-// `ShrinkFactor` has no raw `Int` rate fields — only `UnitShrink` and carriers into
-// `PositiveDescentAmount` / `ProportionalDivisor` (`std.computation` / `std.termination`).
-// Non-positive steps and divisors < 2 are therefore not representable here; producers
-// that still see `Int` validate upstream and fail closed to `SubValueUnknown` instead of
-// minting `ArithmeticDescent` / `StrictSubValue`. Evidence mapping matches on `factor`
-// so `Strict` is issued only alongside an exhaustively-known proof-grade shrink shape.
-
-fn sub_value_to_evidence(relation: SubValueRelation) -> DescentEvidence {
-  match relation {
-    StrictSubValue { field: _, factor: f } =>
-      match f {
-        UnitShrink => Strict
-        ConstantShrink { steps: _ } => Strict
-        ProportionalShrink { divisor: _ } => Strict
-      }
-    IteratedSubValue { field: _ }            => Strict
-    ArithmeticDescent { param: _, factor: f } =>
-      match f {
-        UnitShrink => Strict
-        ConstantShrink { steps: _ } => Strict
-        ProportionalShrink { divisor: _ } => Strict
-      }
-    PreservedValue                           => NonIncreasing
-    NonIncreasingValue                       => NonIncreasing
-    // See `dsl/std/induction.dag` Inc-split rationale.
-    StrictAxisErased                         => Strict
-    MixedTop                                 => NonIncreasing
-    SubValueUnknown                          => DescentUnknown
-  }
-}
-
-
-// =========================================================================
-// SubValueRelation merge helpers
-// =========================================================================
-
-// Structural equality on shrink rates (P2 single authority for cost-relevant
-// merge): `ConstantShrink` / `ProportionalShrink` compared via canonical `Int`
-// measures from `std.computation` / `std.termination`.
-fn shrink_factor_eq(a: ShrinkFactor, b: ShrinkFactor) -> Bool {
-  match a {
-    UnitShrink =>
-      match b { UnitShrink => true, _ => false }
-    ConstantShrink { steps: sa } =>
-      match b {
-        ConstantShrink { steps: sb } =>
-          positive_descent_count(sa) == positive_descent_count(sb)
-        _ => false
-      }
-    ProportionalShrink { divisor: da } =>
-      match b {
-        ProportionalShrink { divisor: db } =>
-          proportional_divisor_to_int(d: da) == proportional_divisor_to_int(d: db)
-        _ => false
-      }
-  }
-}
-
-// Projection-sound merge helpers — mirrored from `dsl/std/induction.dag`.
-// See that file for ordering, operational properties, and Inc-split rationale.
-
-fn sub_value_structural_eq(a: SubValueRelation, b: SubValueRelation) -> Bool {
-  match a {
-    StrictSubValue { field: fa, factor: fac_a } =>
-      match b {
-        StrictSubValue { field: fb, factor: fac_b } =>
-          inductive_field_eq(a: fa, b: fb) && shrink_factor_eq(a: fac_a, b: fac_b)
-        _ => false
-      }
-    IteratedSubValue { field: fa } =>
-      match b {
-        IteratedSubValue { field: fb } => inductive_field_eq(a: fa, b: fb)
-        _ => false
-      }
-    ArithmeticDescent { param: pa, factor: fac_a } =>
-      match b {
-        ArithmeticDescent { param: pb, factor: fac_b } =>
-          (pa == pb) && shrink_factor_eq(a: fac_a, b: fac_b)
-        _ => false
-      }
-    PreservedValue => match b { PreservedValue => true, _ => false }
-    NonIncreasingValue => match b { NonIncreasingValue => true, _ => false }
-    StrictAxisErased => match b { StrictAxisErased => true, _ => false }
-    MixedTop => match b { MixedTop => true, _ => false }
-    SubValueUnknown => match b { SubValueUnknown => true, _ => false }
-  }
-}
-
-// 🟡 PRACTICE 10 DISSOLUTION DISPOSITION: see `dsl/std/induction.dag` — hand-rolled
-// boolean projection of `sub_value_to_evidence(r) == Strict`; retires when the
-// substrate gains derived-predicate-from-projection (ROADMAP.md:390 P5 — not BoundedLattice).
-fn is_strict_style_structural(r: SubValueRelation) -> Bool {
-  match r {
-    StrictSubValue { field: _, factor: _ } => true
-    IteratedSubValue { field: _ } => true
-    ArithmeticDescent { param: _, factor: _ } => true
-    StrictAxisErased => true
-    _ => false
-  }
-}
-
-fn sub_value_level(r: SubValueRelation) -> Int {
-  match r {
-    MixedTop => 4
-    StrictAxisErased => 3
-    StrictSubValue { field: _, factor: _ } => 2
-    IteratedSubValue { field: _ } => 2
-    ArithmeticDescent { param: _, factor: _ } => 2
-    PreservedValue => 2
-    NonIncreasingValue => 1
-    SubValueUnknown => 0
-  }
-}
-
-fn meet_sub_value(a: SubValueRelation, b: SubValueRelation) -> SubValueRelation {
-  if sub_value_structural_eq(a: a, b: b) { a }
-  else {
-    let la = sub_value_level(r: a)
-    let lb = sub_value_level(r: b)
-    if la == 0 || lb == 0 { SubValueUnknown }
-    else {
-      if la == 4 || lb == 4 { NonIncreasingValue }
-      else {
-        if la == 3 {
-          if is_strict_style_structural(r: b) { b }
-          else { NonIncreasingValue }
-        }
-        else {
-          if lb == 3 {
-            if is_strict_style_structural(r: a) { a }
-            else { NonIncreasingValue }
-          }
-          else { NonIncreasingValue }
-        }
-      }
-    }
-  }
-}
-
-fn join_sub_value(a: SubValueRelation, b: SubValueRelation) -> SubValueRelation {
-  if sub_value_structural_eq(a: a, b: b) { a }
-  else {
-    let la = sub_value_level(r: a)
-    let lb = sub_value_level(r: b)
-    if la == 0 { b }
-    else {
-      if lb == 0 { a }
-      else {
-        if la == 4 || lb == 4 { MixedTop }
-        else {
-          if la == 1 { b }
-          else {
-            if lb == 1 { a }
-            else {
-              if is_strict_style_structural(r: a) && is_strict_style_structural(r: b) {
-                StrictAxisErased
-              } else { MixedTop }
-            }
-          }
-        }
-      }
-    }
-  }
-}
-
-// Merge helpers only — not a `std/algebra` inhabitance. Meet is NOT GLB for MixedTop.
-// See `dsl/std/induction.dag` for operational properties. P5: no BoundedLattice witness;
-// ROADMAP.md:390 row retargeted — Rc-aware merge-helper surfacing, not lattice inhabitance.
-
-
-// =========================================================================
-// SubValueRelation composition — authority for provenance threading
-// =========================================================================
-
-// Compose a provenance relation with a field access. When a binding has
-// known provenance (not SubValueUnknown) and the accessed field is
-// inductive (recursive), the result is StrictSubValue — a structural
-// sub-value one level deeper.
-//
-// This is the single authority for provenance composition through field
-// access, pattern destructuring, and let-binding classification.
-// Consumers (inference, descent analysis) call this instead of
-// fabricating StrictSubValue locally.
-fn compose_sub_value(base: SubValueRelation, field: InductiveField) -> SubValueRelation {
-  match base {
-    SubValueUnknown => SubValueUnknown
-    _ => StrictSubValue { field: field, factor: UnitShrink }
-  }
-}
-
-// Compose two sub-value relations across a function call boundary.
-// If the caller passes arg_rel to the callee, and the callee's output
-// has callee_rel relative to that param, the composed result is the
-// output's relation to the caller's recursive param.
-//
-// PreservedValue is the identity element (callee returns its param
-// unchanged). SubValueUnknown is absorbing. Structural composed with
-// structural produces StrictSubValue — descending into a child of a
-// child is still descent, with the outer field as authority.
-// IteratedSubValue only survives composition with PreservedValue
-// (identity), because cross-composition cannot verify that the outer
-// field's shape supports iteration (ListRecursion vs OptionalRecursion).
-fn compose_sub_value_relations(arg_rel: SubValueRelation, callee_rel: SubValueRelation) -> SubValueRelation {
-  match callee_rel {
-    PreservedValue => arg_rel
-    SubValueUnknown => SubValueUnknown
-    NonIncreasingValue =>
-      match arg_rel {
-        SubValueUnknown => SubValueUnknown
-        _ => NonIncreasingValue
-      }
-    StrictAxisErased =>
-      match arg_rel {
-        SubValueUnknown => SubValueUnknown
-        PreservedValue => StrictAxisErased
-        StrictSubValue { field: _, factor: _ } => StrictAxisErased
-        IteratedSubValue { field: _ } => StrictAxisErased
-        ArithmeticDescent { param: _, factor: _ } => StrictAxisErased
-        StrictAxisErased => StrictAxisErased
-        // See `dsl/std/induction.dag` — non-strict caller-side cannot be strengthened.
-        NonIncreasingValue => NonIncreasingValue
-        MixedTop => MixedTop
-      }
-    MixedTop =>
-      match arg_rel {
-        SubValueUnknown => SubValueUnknown
-        NonIncreasingValue => NonIncreasingValue
-        _ => MixedTop
-      }
-    StrictSubValue { field: _, factor: _ } =>
-      match arg_rel {
-        PreservedValue => callee_rel
-        SubValueUnknown => SubValueUnknown
-        StrictSubValue { field: f, factor: _ } => StrictSubValue { field: f, factor: UnitShrink }
-        IteratedSubValue { field: f } => StrictSubValue { field: f, factor: UnitShrink }
-        ArithmeticDescent { param: _, factor: _ } => SubValueUnknown
-        NonIncreasingValue => NonIncreasingValue
-        StrictAxisErased => StrictAxisErased
-        MixedTop => MixedTop
-      }
-    IteratedSubValue { field: _ } =>
-      match arg_rel {
-        PreservedValue => callee_rel
-        SubValueUnknown => SubValueUnknown
-        StrictSubValue { field: f, factor: _ } => StrictSubValue { field: f, factor: UnitShrink }
-        IteratedSubValue { field: f } => StrictSubValue { field: f, factor: UnitShrink }
-        ArithmeticDescent { param: _, factor: _ } => SubValueUnknown
-        NonIncreasingValue => NonIncreasingValue
-        StrictAxisErased => StrictAxisErased
-        MixedTop => MixedTop
-      }
-    ArithmeticDescent { param: p, factor: f } =>
-      match arg_rel {
-        PreservedValue => ArithmeticDescent { param: p, factor: f }
-        SubValueUnknown => SubValueUnknown
-        NonIncreasingValue => NonIncreasingValue
-        StrictAxisErased => StrictAxisErased
-        MixedTop => MixedTop
-        _ => SubValueUnknown
-      }
-  }
-}
-
-
-// =========================================================================
-// SubValueRelation → CallPattern
-// =========================================================================
-
-// Bridge to computation.dag's CallPattern. LOSSY for `StrictSubValue` /
-// `IteratedSubValue` (drops `ShrinkFactor`, collapses into `ChildAccessorCall`).
-// `ArithmeticDescent` maps shrink factors structurally — no Int round-trip.
-// CX-L3 reads SubValueRelation directly and does NOT use this bridge.
-// This exists only for the computation.dag integration path and will
-// be retired when computation.dag accepts SubValueRelation natively.
-// SubValueUnknown → none (fail-closed through the bridge).
-
-fn sub_value_to_call_pattern(relation: SubValueRelation) -> CallPattern? {
-  match relation {
-    StrictSubValue { field: f, factor: _ }    => Some { value: ChildAccessorCall { accessor: f.field_name } }
-    IteratedSubValue { field: f }             => Some { value: ChildAccessorCall { accessor: f.field_name } }
-    ArithmeticDescent { param: p, factor: f } =>
-      match f {
-        ConstantShrink { steps: steps } =>
-          Some { value: ArithmeticSubtractCall { steps: steps, ring_param: p } }
-        ProportionalShrink { divisor: d } =>
-          Some { value: ArithmeticDivideCall { divisor: d, ring_param: p } }
-        UnitShrink => Some { value: ArithmeticSubtractCall { steps: OneStep, ring_param: p } }
-      }
-    PreservedValue                            => Some { value: SameArgumentCall }
-    NonIncreasingValue                        => none
-    StrictAxisErased                          => none
-    MixedTop                                  => none
-    SubValueUnknown                           => none
-  }
-}
-
-
-// =========================================================================
-// SubValueRelation → BoundedLoweringTarget (lossless)
-// =========================================================================
-
-// Direct bridge to LoweringTarget that preserves ShrinkFactor. Unlike
-// sub_value_to_call_pattern which drops factor, this function carries
-// the factor through so downstream cost analysis can distinguish O(n)
-// from O(log n) via ProportionalShrink.
-// SubValueUnknown → none (fail-closed).
-
-fn sub_value_to_lowering_target(relation: SubValueRelation) -> LoweringTarget? {
-  match relation {
-    StrictSubValue { field: f, factor: fac } =>
-      Some { value: LoweringTarget {
-        primitive: Descend,
-        bound: tree_size_bound(param: f.field_name),
-        evidence: Strict,
-        factor: Some { value: fac }
-      }}
-    IteratedSubValue { field: f } =>
-      Some { value: LoweringTarget {
-        primitive: Fold,
-        bound: CollectionSize { param: f.field_name },
-        evidence: Strict,
-        factor: none
-      }}
-    ArithmeticDescent { param: p, factor: fac } =>
-      Some { value: LoweringTarget {
-        primitive: Repeat,
-        bound: ArithmeticParam { param: p },
-        evidence: Strict,
-        factor: Some { value: fac }
-      }}
-    PreservedValue =>
-      Some { value: LoweringTarget {
-        primitive: Repeat,
-        bound: Forever,
-        evidence: NonIncreasing,
-        factor: none
-      }}
-    NonIncreasingValue =>
-      Some { value: LoweringTarget {
-        primitive: Repeat,
-        bound: Forever,
-        evidence: NonIncreasing,
-        factor: none
-      }}
-    // StrictAxisErased / MixedTop: see `dsl/std/induction.dag` — neither has a usable axis
-    // for a finite lowering bound, so both project to `none` (same fail-closed posture).
-    StrictAxisErased => none
-    MixedTop => none
-    SubValueUnknown => none
-  }
-}
-
-
-// =========================================================================
-// PolynomialExponent — exact representation of asymptotic exponents
-// =========================================================================
-
-// Polynomial exponents in complexity bounds:
-//   IntegerExpZero: O(1) in n (degree 0).
-//   IntegerExpPos: O(n^k) for k ≥ 1 via `PositiveDescentAmount` (same Peano family as termination).
-//   FractionExp: n^(p/r) with strictly positive Peano numerators/roots (typ. p=1).
-//   LogBasedExp: n^(log_b(a)) with divisor witness b ≥ 2 and positive Peano argument a.
-//
-// `cost_poly` / `master_theorem` are the typed bridges from `Int` literals; invalid or
-// oversized degrees fail closed (`ErrorBound` / `none`) — M9 matches `std.termination` caps.
-//
-// 🟢 TERMINAL coproduct at E-I exponent scope — negative roots, bases < 2, and non-positive
-// log arguments are not representable as inhabitants (only via the `Int` bridges above).
-//
-// E-P note (api-review): exponents intentionally reuse termination Peano carriers for now;
-// a later lane can swap degree/root/base slots to `std.types` bounded refinements once
-// refinement lowering is uniform across consumers (same story as `std.termination`).
-
-type PolynomialExponent
-  = IntegerExpZero
-  | IntegerExpPos { degree: PositiveDescentAmount }
-  | FractionExp { numerator: PositiveDescentAmount, root: PositiveDescentAmount }
-  | LogBasedExp { base: ProportionalDivisor, argument: PositiveDescentAmount }
-
-fn poly_exp_degree_one() -> PolynomialExponent {
-  IntegerExpPos { degree: OneStep }
-}
-
-
-// =========================================================================
-// AtomicCost — one indivisible cost factor on a single parameter
-// =========================================================================
-
-// A cost factor tied to a single size parameter. These are the atoms
-// from which composite bounds are built.
-//
-// 🟡 MIXED. Exponents are terminal (`PolynomialExponent`); `param: String` is the current
-// symbolic size-parameter bridge (mirrors `RankingDimension` string slots).
-
-type AtomicCost
-  = PolyCost { param: String, exponent: PolynomialExponent }  // O(n^e)
-  | LogCost { param: String }                                  // O(log n)
-
-
-// =========================================================================
-// CostBound — asymptotic bound algebra (Big-O)
-// =========================================================================
-
-// The output of structural descent analysis.  Most slots use `AtomicCost` only;
-// `SumBound` is the v3 E-I pre-flight case that carries `List<CostBound>`
-// (same structural pattern as `FieldValue` in substrate — indirection through
-// `List`, not an extra anonymous recursive .dag connective).
-//
-// Kernel invariant: `SumBound` is the only `CostBound`→`CostBound` recursion — a named
-// alternative-max stack (E-I), not open-ended anonymous substrate recursion like `Node` trees.
-//
-// CostBound is the authority for structurally-proven bounds derived from
-// the induction model. complexity.dag's CostExpr/SizeExpr is a transitional
-// working representation that will converge to CostBound as the sole
-// cost algebra (see CX lane in ROADMAP.md).
-//
-// Composite bounds are represented in sum-of-products normal form:
-//   O((V+E) · log V) = SumOfProductsBound { [[Poly(V,1), Log(V)], [Poly(E,1), Log(V)]] }
-//
-// That SOP path (and `ProductBound` / `AtomicCost`) needs no `CostBound`→`CostBound`
-// self-edge; `SumBound` below is the **sole** deliberate `CostBound` self-reference
-// (see kernel invariant above — not anonymous substrate recursion like `Node`).
-//
-// 🟡 MIXED. SOP / product shapes are structural lists of `AtomicCost`; `SumBound` stacks
-// alternatives; string-named atoms inherit scaffold from `AtomicCost`; `ErrorBound` is fail-closed.
-
-type CostBound
-  = ConstantBound                                // O(1)
-  | AtomicBound { cost: AtomicCost }             // O(n^k) or O(log n)
-  | ProductBound { factors: List<AtomicCost> }   // O(f1 · f2 · ...)
-  | SumOfProductsBound { terms: List<List<AtomicCost>> }  // O(Σ(Π fi))
-  // SumBound: structural alternative stack only here; per-term terminal receipts/ledgers land with E-I consumers (lane 1+).
-  // O(max terms) requires ≥1 alternative — empty `terms` is ill-formed; `sum_bound` maps that to `ErrorBound` (P3 fail-closed).
-  | SumBound { terms: List<CostBound> }         // O(max terms) / structural alternative stack (E-I: List<CostBound>)
-  | ForeverBound                                 // O(2^63-1) — repeat(max_int)
-  | ErrorBound                                   // fail-closed: invalid/unresolvable
-
-
-// =========================================================================
-// Named bound constructors
-// =========================================================================
-
-// P3: empty alternative stack has no max/merge semantics — fail closed (Codex #726 schedule review).
-fn sum_bound(terms: List<CostBound>) -> CostBound {
-  match terms |> first {
-    None => ErrorBound
-    Some { value: _ } => SumBound { terms: terms }
-  }
-}
-
-// E-6: minimal destructor for `SumBound` — first match arm that *observes* the self-edge
-// variant so the coproduct is not constructor-only. Full dominance / cost comparison on
-// `List<CostBound>` remains deferred to lane consumers; this predicate is the intake hook.
-fn cost_bound_is_sum_bound(b: CostBound) -> Bool {
-  match b {
-    SumBound { terms: _ } => true
-    ConstantBound => false
-    AtomicBound { cost: _ } => false
-    ProductBound { factors: _ } => false
-    SumOfProductsBound { terms: _ } => false
-    ForeverBound => false
-    ErrorBound => false
-  }
-}
-
-// Projection from induction proof bounds to the symbolic cost algebra consumed
-// by cost/complexity lenses. CostBound is the proof authority; SymbolicCost is
-// the composition/display authority. String-named CostBound atoms cannot yet
-// mint a structural SizeVariable because the induction carrier does not carry a
-// PortId; those atoms fail closed to UnknownCost until structural param refs
-// replace the current string bridge.
-fn cost_bound_to_symbolic(bound: CostBound) -> SymbolicCost =
-  match bound {
-    ConstantBound => ConstantCost(0)
-    AtomicBound { cost: c } => atomic_cost_to_symbolic(c)
-    ProductBound { factors: fs } => product_atoms_to_symbolic(fs)
-    SumOfProductsBound { terms: ts } => sum_products_to_symbolic(ts)
-    SumBound { terms: ts } => UnknownCost("CostBound SumBound awaits non-recursive projection lowering")
-    ForeverBound => UnknownCost("forever bound")
-    ErrorBound => UnknownCost("invalid cost bound")
-  }
-
-fn atomic_cost_to_symbolic(cost: AtomicCost) -> SymbolicCost =
-  match cost {
-    PolyCost { param: p, exponent: _ } =>
-      UnknownCost("CostBound named polynomial atom lacks structural SizeVariable port")
-    LogCost { param: p } =>
-      UnknownCost("CostBound named log atom lacks structural SizeVariable port")
-  }
-
-fn product_atoms_to_symbolic(factors: List<AtomicCost>) -> SymbolicCost {
-  host product_atoms_to_symbolic
-}
-
-fn product_term_to_symbolic(factors: List<AtomicCost>) -> SymbolicCost =
-  product_atoms_to_symbolic(factors)
-
-fn sum_products_to_symbolic(terms: List<List<AtomicCost>>) -> SymbolicCost {
-  host sum_products_to_symbolic
-}
-
-fn cost_constant() -> CostBound { ConstantBound }
-fn cost_linear(param: String) -> CostBound { AtomicBound { cost: PolyCost { param: param, exponent: poly_exp_degree_one() } } }
-fn cost_poly(param: String, degree: Int) -> CostBound {
-  if degree < 0 { ErrorBound }
-  else {
-    if degree == 0 {
-      AtomicBound { cost: PolyCost { param: param, exponent: IntegerExpZero } }
-    } else {
-      match positive_descent_amount_from_positive_int(k: degree) {
-        Some { value: deg } =>
-          AtomicBound { cost: PolyCost { param: param, exponent: IntegerExpPos { degree: deg } } }
-        None => ErrorBound
-      }
-    }
-  }
-}
-fn cost_root(param: String, k: Int) -> CostBound {
-  if k <= 0 { ErrorBound }
-  else {
-    match positive_descent_amount_from_positive_int(k: k) {
-      Some { value: rw } =>
-        AtomicBound { cost: PolyCost { param: param, exponent: FractionExp { numerator: OneStep, root: rw } } }
-      None => ErrorBound
-    }
-  }
-}
-fn cost_sqrt(param: String) -> CostBound { cost_root(param: param, k: 2) }
-fn cost_cbrt(param: String) -> CostBound { cost_root(param: param, k: 3) }
-fn cost_log(param: String) -> CostBound { AtomicBound { cost: LogCost { param: param } } }
-
-fn cost_nlogn(param: String) -> CostBound {
-  ProductBound { factors: [PolyCost { param: param, exponent: poly_exp_degree_one() }, LogCost { param: param }] }
-}
-
-fn cost_graph_linear(v_param: String, e_param: String) -> CostBound {
-  SumOfProductsBound { terms: [
-    [PolyCost { param: v_param, exponent: poly_exp_degree_one() }],
-    [PolyCost { param: e_param, exponent: poly_exp_degree_one() }]
-  ] }
-}
-
-
-// =========================================================================
-// RecurrenceForm — structure of a divide-and-conquer recurrence
-// =========================================================================
-
-// T(n) = a·T(n/b) + O(n^d)
-//   a: branching factor (self-calls per execution path)
-//   b: division factor (each sub-problem is n/b of the original)
-//   d: exponent of per-level non-recursive work (≥ 0; `master_theorem` rejects d < 0 → ErrorBound)
-//
-// P4 / P3 (cost-algebra boundary): `work_exponent` stays typed as `Int` while recurrence inputs
-// are a bootstrap scaffold, but **`bounded_int_pow_exponent`** is the single authority gate:
-// `master_theorem` and `int_pow_bounded` route raw exponents through it **before** any `b^d`
-// recursion — same closed `[0, peano_literal_materialization_cap()]` as `std.termination` (M9).
-// Oversized / negative → `none` / `ErrorBound` (no raw `*` on the power path; see `int_mul_checked`).
-//
-// 🟡 SCAFFOLD. Master-theorem input bundles a symbolic `param: String` with `Int` recurrence
-// coefficients; structural parameter refs dissolve with reflected function params.
-
-type RecurrenceForm {
-  param: String
-  branches: Int
-  divisor: Int
-  work_exponent: Int
-}
-
-
-// =========================================================================
-// Master theorem — recurrence → CostBound
-// =========================================================================
-
-// P3: `Int` is realized as i64 in v2 — raw `*` / `+` can wrap or debug-panic.
-// These helpers return `none` on overflow so `master_theorem` / `ceil_log` stay
-// fail-closed (same posture as `cost_poly` / `positive_descent_amount_from_positive_int`).
-// Bounds are i64::MIN / i64::MAX; `/` matches signed truncating division (Rust `Int`).
-
-fn int_add_checked(a: Int, b: Int) -> Int? {
-  if b > 0 {
-    if a > 9223372036854775807 - b { none }
-    else { Some { value: a + b } }
-  } else {
-    if b < 0 {
-      if a < (0 - 9223372036854775807 - 1) - b { none }
-      else { Some { value: a + b } }
-    } else { Some { value: a } }
-  }
-}
-
-fn int_mul_checked(a: Int, b: Int) -> Int? {
-  if b == 0 { Some { value: 0 } }
-  else {
-    if a == 0 { Some { value: 0 } }
-    else {
-      if b == -1 {
-        if a == (0 - 9223372036854775807 - 1) { none }
-        else { Some { value: 0 - a } }
-      } else {
-        if b > 0 {
-          if a > 0 {
-            if a > 9223372036854775807 / b { none }
-            else { Some { value: a * b } }
-          } else {
-            if a < (0 - 9223372036854775807 - 1) / b { none }
-            else { Some { value: a * b } }
-          }
-        } else {
-          if a > 0 {
-            if b < (0 - 9223372036854775807 - 1) / a { none }
-            else { Some { value: a * b } }
-          } else {
-            if b < 9223372036854775807 / a { none }
-            else { Some { value: a * b } }
-          }
-        }
-      }
-    }
-  }
-}
-
-// P4 / E-I (numeric boundary): sole gate from raw `Int` exponents / recurrence work degree into
-// `int_pow_bounded`'s recursive core. Upper bound is `peano_literal_materialization_cap()` from
-// `std.termination` (P2 single authority — Codex #726). Reject **before** any power recursion; do not hand `exp` to the
-// recursive `int_pow_bounded` body until it passes here (PR #726: fail before materialization).
-fn bounded_int_pow_exponent(k: Int) -> Int? {
-  if k < 0 { none }
-  else {
-    if k > peano_literal_materialization_cap() { none }
-    else { Some { value: k } }
-  }
-}
-
-// b^exp for exp ≥ 0 (exp = 0 → Some { value: 1 }). Out-of-range exp → none via
-// `bounded_int_pow_exponent` — no silent plausible wrong output (P3; same posture as `ceil_log` / `cost_poly`).
-//
-// P4 (degenerate bases): for `base ∈ {0, 1, -1}`, short-circuit before recursion (Codex #726).
-fn int_pow_bounded(base: Int, exp: Int) -> Int? {
-  match bounded_int_pow_exponent(k: exp) {
-    None => none
-    Some { value: e } =>
-      if e == 0 { Some { value: 1 } }
-      else {
-        if base == 0 { Some { value: 0 } }
-        else {
-          if base == 1 { Some { value: 1 } }
-          else {
-            if base == (0 - 1) {
-              let half = e / 2
-              if half + half == e { Some { value: 1 } } else { Some { value: 0 - 1 } }
-            }
-            else {
-              // `e` is the validated value of `exp`, but keep the recursive
-              // argument syntactically tied to the original parameter so the
-              // v2 complexity analyzer can see the arithmetic descent.
-              match int_pow_bounded(base: base, exp: exp - 1) {
-                Some { value: prev } =>
-                  match int_mul_checked(a: base, b: prev) {
-                    Some { value: prod } => Some { value: prod }
-                    None => none
-                  }
-                None => none
-              }
-            }
-          }
-        }
-      }
-  }
-}
-
-// Smallest k with base^k >= argument. Requires base ≥ 2 and argument ≥ 1 so each
-// iteration strictly increases `power` (P4 decidability); invalid inputs → none.
-fn ceil_log(base: Int, argument: Int) -> Int? {
-  if base < 2 || argument < 1 { none }
-  else { ceil_log_iter(base: base, argument: argument, k: 0, power: 1) }
-}
-
-// Pre: base ≥ 2, argument ≥ 1. Overflow in `power * base` or `k + 1` → none.
-fn ceil_log_iter(base: Int, argument: Int, k: Int, power: Int) -> Int? {
-  if power >= argument { Some { value: k } }
-  else {
-    match int_mul_checked(a: power, b: base) {
-      None => none
-      Some { value: next_power } =>
-        match int_add_checked(a: k, b: 1) {
-          None => none
-          Some { value: k1 } =>
-            ceil_log_iter(base: base, argument: argument, k: k1, power: next_power)
-        }
-    }
-  }
-}
-
-fn master_theorem(form: RecurrenceForm) -> CostBound {
-  let a = form.branches
-  let b = form.divisor
-  let d = form.work_exponent
-  let n = form.param
-  // Fail-closed: invalid inputs produce ErrorBound, not fabricated O(1).
-  // P4: `bounded_int_pow_exponent` rejects `work_exponent` outside [0, peano_literal_materialization_cap()] before `int_pow_bounded`.
-  if a < 1 || b < 2 { ErrorBound }
-  else {
-    match bounded_int_pow_exponent(k: d) {
-      None => ErrorBound
-      Some { value: d_ok } =>
-        match int_pow_bounded(base: b, exp: d_ok) {
-          None => ErrorBound
-          Some { value: b_to_d } =>
-            if a < b_to_d {
-              // Case 3: per-level work dominates → O(n^d)
-              match d_ok {
-                0 => ConstantBound
-                _ => cost_poly(param: n, degree: d_ok)
-              }
-            } else {
-              if a == b_to_d {
-                // Case 2: balanced → O(n^d · log n)
-                match d_ok {
-                  0 => cost_log(param: n)
-                  _ =>
-                    match positive_descent_amount_from_positive_int(k: d_ok) {
-                      Some { value: deg } =>
-                        ProductBound { factors: [PolyCost { param: n, exponent: IntegerExpPos { degree: deg } }, LogCost { param: n }] }
-                      None => ErrorBound
-                    }
-                }
-              } else {
-                // Case 1: sub-problem work dominates → O(n^(log_b(a)))
-                // Exact representation via LogBasedExp — no approximation
-                match proportional_divisor_from_int_at_least_two(k: b) {
-                  Some { value: baseW } =>
-                    match positive_descent_amount_from_positive_int(k: a) {
-                      Some { value: argW } =>
-                        AtomicBound { cost: PolyCost { param: n, exponent: LogBasedExp { base: baseW, argument: argW } } }
-                      None => ErrorBound
-                    }
-                  None => ErrorBound
-                }
-              }
-            }
-        }
-    }
-  }
-}
-
-
-// =========================================================================
-// Structural recursion → CostBound (catamorphism)
-// =========================================================================
-
-// Visits every sub-term exactly once. O(n^k) for k-nested traversals.
-
-fn catamorphism_bound(param: String, nesting_depth: Int) -> CostBound {
-  if nesting_depth < 0 { ErrorBound }
-  else {
-    if nesting_depth == 0 { ConstantBound }
-    else { cost_poly(param: param, degree: nesting_depth) }
-  }
-}
-
-
-// =========================================================================
-// Combined derivation: descent facts → CostBound
-// =========================================================================
-
-// P3: align with `master_theorem` — invalid `branches` / `work_exponent` must not yield a
-// plausible `cost_linear` / `ForeverBound` (OpenAI-pro #726 manual review on `derive_bound`).
-fn derive_bound(param: String, branches: Int, factor: ShrinkFactor, work_exponent: Int) -> CostBound {
-  if branches < 1 { ErrorBound }
-  else {
-    match bounded_int_pow_exponent(k: work_exponent) {
-      None => ErrorBound
-      Some { value: _ } =>
-        match factor {
-          // Structural recursion: each step removes one constructor
-          UnitShrink =>
-            if branches <= 1 { cost_linear(param: param) }
-            else {
-              // Multi-branch with unit shrink: T(n) = k·T(n-1) + O(1) = O(k^n).
-              // In .dag, bounded by repeat(Forever).
-              ForeverBound
-            }
-          // Constant shrink: similar to unit but with larger steps
-          ConstantShrink { steps: _ } =>
-            if branches <= 1 { cost_linear(param: param) }
-            else { ForeverBound }
-          // Proportional shrink: divide-and-conquer → Master theorem
-          ProportionalShrink { divisor: d } =>
-            master_theorem(form: RecurrenceForm { param: param, branches: branches, divisor: proportional_divisor_to_int(d: d), work_exponent: work_exponent })
-        }
-    }
-  }
-}
-
-
-// =========================================================================
-// Algorithm complexity specifications
-// =========================================================================
-
-// --- Structural recursion (catamorphisms) ---
-// https://en.wikipedia.org/wiki/Tree_traversal
-
-fn tree_traversal_bound() -> CostBound {
-  catamorphism_bound(param: "tree", nesting_depth: 1)
-}
-
-fn nested_iteration_bound() -> CostBound {
-  catamorphism_bound(param: "items", nesting_depth: 2)
-}
-
-// https://en.wikipedia.org/wiki/Fold_(higher-order_function)
-fn linear_scan_bound() -> CostBound {
-  catamorphism_bound(param: "xs", nesting_depth: 1)
-}
-
-// --- Divide-and-conquer (Master theorem) ---
-// https://en.wikipedia.org/wiki/Divide-and-conquer_algorithm
-
-// https://en.wikipedia.org/wiki/Binary_search
-fn binary_search_bound() -> CostBound {
-  derive_bound(param: "xs", branches: 1, factor: ProportionalShrink { divisor: DivideByTwo }, work_exponent: 0)
-}
-
-// https://en.wikipedia.org/wiki/Merge_sort
-fn mergesort_bound() -> CostBound {
-  derive_bound(param: "xs", branches: 2, factor: ProportionalShrink { divisor: DivideByTwo }, work_exponent: 1)
-}
-
-// https://en.wikipedia.org/wiki/Karatsuba_algorithm
-// a=3, b=2, d=1 → O(n^(log_2(3))) ≈ O(n^1.585) — exact via LogBasedExp
-fn karatsuba_bound() -> CostBound {
-  derive_bound(param: "digits", branches: 3, factor: ProportionalShrink { divisor: DivideByTwo }, work_exponent: 1)
-}
-
-// https://en.wikipedia.org/wiki/Strassen_algorithm
-// a=7, b=2, d=2 → O(n^(log_2(7))) ≈ O(n^2.807) — exact via LogBasedExp
-fn strassen_bound() -> CostBound {
-  derive_bound(param: "n", branches: 7, factor: ProportionalShrink { divisor: DivideByTwo }, work_exponent: 2)
-}
-
-// --- Root complexity ---
-
-// https://en.wikipedia.org/wiki/Trial_division
-fn trial_division_bound() -> CostBound { cost_sqrt(param: "n") }
-fn cube_root_bound() -> CostBound { cost_cbrt(param: "n") }
-// https://en.wikipedia.org/wiki/Nth_root
-fn kth_root_bound(k: Int) -> CostBound { cost_root(param: "n", k: k) }
-
-// --- Graph algorithms (multi-parameter) ---
-// https://en.wikipedia.org/wiki/Graph_traversal
-
-// https://en.wikipedia.org/wiki/Breadth-first_search
-// https://en.wikipedia.org/wiki/Depth-first_search
-fn bfs_dfs_bound() -> CostBound {
-  cost_graph_linear(v_param: "V", e_param: "E")
-}
-
-// https://en.wikipedia.org/wiki/Dijkstra%27s_algorithm
-fn dijkstra_bound() -> CostBound {
-  // O((V+E) · log V) in sum-of-products: O(V·log V + E·log V)
-  SumOfProductsBound { terms: [
-    [PolyCost { param: "V", exponent: poly_exp_degree_one() }, LogCost { param: "V" }],
-    [PolyCost { param: "E", exponent: poly_exp_degree_one() }, LogCost { param: "V" }]
-  ] }
-}
-
-// https://en.wikipedia.org/wiki/Bellman%E2%80%93Ford_algorithm
-fn bellman_ford_bound() -> CostBound {
-  ProductBound { factors: [
-    PolyCost { param: "V", exponent: poly_exp_degree_one() },
-    PolyCost { param: "E", exponent: poly_exp_degree_one() }
-  ] }
-}
-
-// https://en.wikipedia.org/wiki/Floyd%E2%80%93Warshall_algorithm
-fn floyd_warshall_bound() -> CostBound {
-  cost_poly(param: "V", degree: 3)
-}
-
-
-// Cost ordering is intentionally not provided here.
-// A correct dominance relation on CostBound requires structural comparison
-// (e.g., ConstantBound < AtomicBound(LogCost) < AtomicBound(PolyCost(n^1))),
-// not a lossy Int surrogate. When the bridge (Phase 1) needs cost comparison,
-// it should pattern-match on the CostBound variants directly.
diff --git a/src/v3/std/integer_diagnostic_order.dag b/src/v3/std/integer_diagnostic_order.dag
deleted file mode 100644
index 708ab59d468..00000000000
--- a/src/v3/std/integer_diagnostic_order.dag
+++ /dev/null
@@ -1,49 +0,0 @@
-// v3.std.integer_diagnostic_order — substrate-declared diagnostic enumeration order
-// for fixed-width integers (T-Ground-Diagnostic slice 2; Modeling problem 4 corrected).
-//
-// **Why this file (not `dsl/std/integer.dag`):** list elements are typed
-// `DeclarationRef` values (`Int8`, …) resolved against `std.integer`. The
-// `DeclarationRef` sentinel meta-type lives in `v3.spec.v3_l1`, which is not
-// part of the dsl-only std bootstrap seed — authoring `List<DeclarationRef>`
-// here keeps ordering facts in substrate adjacent to the integer type family
-// imported from `dsl/std/integer.dag`.
-//
-// **Dissolution trigger:** typed width metadata on word carriers (Substrate Mgr);
-// then derive order from carriers and delete these lists.
-
-module v3.std.integer_diagnostic_order
-
-import std.list { List }
-import v3.spec.v3_l1 { DeclarationRef }
-import std.integer {
-  Int8,
-  Int16,
-  Int32,
-  Int64,
-  Int128,
-  UInt8,
-  UInt16,
-  UInt32,
-  UInt64,
-  UInt128
-}
-
-// Diagnostic-only enumeration order for fixed-width signed integers.
-// Used when constructing fail-closed diagnostics (e.g. candidate text under
-// `EmissionDiagnostic::UnderRefined`); NOT consulted for emission selection.
-data signed_int_diagnostic_order: List<DeclarationRef> = [
-  Int8,
-  Int16,
-  Int32,
-  Int64,
-  Int128
-]
-
-// Diagnostic-only enumeration order for fixed-width unsigned integers.
-data unsigned_int_diagnostic_order: List<DeclarationRef> = [
-  UInt8,
-  UInt16,
-  UInt32,
-  UInt64,
-  UInt128
-]
diff --git a/src/v3/std/lens.dag b/src/v3/std/lens.dag
deleted file mode 100644
index fc34c138078..00000000000
--- a/src/v3/std/lens.dag
+++ /dev/null
@@ -1,77 +0,0 @@
-// std.lens — `Lens<C>` substrate carrier (Director-locked 6-field shape).
-//
-// 🟡 TRANSITIONAL. First substrate slice for the lens framework
-// (`docs/design-lens-framework.md`). This carrier authors the structural
-// shape generic compositional analyses fold over the 5 L1 behaviors;
-// `fold_lens<C>: Lens<C> → Dag → DimensionReport<C>` and the four worked
-// instances (complexity / tenant-flow / IFC / cost-lens) consume this
-// shape in subsequent lanes (R3-T-CostLens-Composition,
-// R2-Evaluator PR-A..E, T-LensAPI rescope).
-//
-// The `Lens<C>` carrier deliberately reuses existing substrate types —
-// `Witness<C>` / `OptionalDiagnostic` / `DimensionReport<C>` from
-// `dimensions.dag`, `Monoid<C>` from `dsl/std/algebra.dag`, `Diagnostic`
-// from `diagnostics.dag` — rather than authoring parallel
-// representations (per `feedback_parallel_representation_debt`).
-//
-// Home: `src/v3/std/` (not `dsl/std/`). The carrier references v3-only
-// substrate types (`Dag`, `Behavior`, `LoopBound`, `DeclarationRef`),
-// so `dsl/std/lens.dag` would need import inversions. Convergence
-// trigger: when v3 substrate types graduate into shared `dsl/std/`,
-// this file moves to `dsl/std/lens.dag` alongside `dsl/std/algebra.dag`.
-
-module v3.std.lens
-
-import std.list { List }
-import std.algebra { Monoid }
-import std.substrate { Dag, Behavior, LoopBound }
-import v3.std.dimensions { Witness, OptionalDiagnostic, DimensionReport }
-
-// 🟢 TERMINAL at the lens-primitive scope. The six fields are the
-// irreducible contract a generic compositional analysis publishes:
-//
-//   - `name`        — human-facing dimension identifier; populates
-//                     `DimensionReport.dimension_name`.
-//   - `read`        — per-Behavior cost-basis extraction. Returns
-//                     `Witness<C>` (NOT `C`) so a missing per-Behavior
-//                     substrate fact surfaces as `Violates` rather than
-//                     fabricating a default carrier (fail-closed).
-//   - `sequential`  — `Monoid<C>` for `BindNode` composition. Structural
-//                     inhabitance over `Monoid<C>` (`dsl/std/algebra.dag`)
-//                     means the monoid law (associativity + identity) is
-//                     structurally enforceable, not merely documented.
-//                     Replaces the prior parallel `compose: (C,C)->C` +
-//                     `unit: C` field pair (Director directive 2026-04-28
-//                     + gpt-5-5-pro Finding #4: same drift shape as
-//                     `AnalysisDimension<Carrier>` already carried).
-//   - `branch`      — exclusive-choice composition for `BranchNode`. NOT
-//                     a monoid op; only one arm runs at runtime, so
-//                     composition is `max/join` over arms. No identity
-//                     element is required (no "no-op branch").
-//   - `iterate`     — bounded iteration for `LoopNode`. Takes the body
-//                     cost and the loop's `LoopBound` and returns the
-//                     loop-iteration cost.
-//   - `validate`    — aggregate side-condition check after the fold has
-//                     composed all per-Behavior witnesses. Returns
-//                     `OptionalDiagnostic` (NOT `Witness<C>`) because by
-//                     this point there is no single Behavior to attach a
-//                     per-node `at:` reference to; aggregate-level
-//                     diagnostics use `Diagnostic.span`. The `Dag`
-//                     parameter carries program-structure context
-//                     (workflow capability grants, sink declarations,
-//                     etc.) that side-conditions look up structurally.
-//
-// Why three composition operations and not four (sequential / branch /
-// iterate, no parallel): v3 has three composition primitives among the
-// 5 L1 behaviors — `BindNode`, `BranchNode`, `LoopNode`. There is no
-// `ParallelNode`; auto-parallelism is *emergent* from dependency-graph
-// analysis on `BindNode` sequences, not a declared substrate primitive.
-// The lens framework declares operations over the actual L1 behaviors.
-type Lens<C> {
-  name: String
-  read: fn(Dag, Behavior) -> Witness<C>
-  sequential: Monoid<C>
-  branch: fn(C, C) -> C
-  iterate: fn(C, LoopBound) -> C
-  validate: fn(Dag, C) -> OptionalDiagnostic
-}
diff --git a/src/v3/std/lens_application.dag b/src/v3/std/lens_application.dag
deleted file mode 100644
index 0536c3de073..00000000000
--- a/src/v3/std/lens_application.dag
+++ /dev/null
@@ -1,204 +0,0 @@
-// std.lens_application — sectioned lens-application substrate
-// (T-Lens-Application-Surface Slice A; gates #88-#91).
-//
-// 🟡 TRANSITIONAL. Lands the substrate carriers for applying a lens to
-// any `.dag` section (function / module / declaration / expression
-// scope). Companion to the file-glob `LensApplication` surface in
-// `docs/lens-library-design.md` §3 — that carrier stays for whole-tree
-// invariant gates; the carriers below extend `applies_to` from a path
-// glob to a structural section reference.
-//
-// Authority: `docs/design-lens-application-surface.md` (design lock).
-// §2 specifies these carriers verbatim; §3 specifies the violation
-// routing under fail-closed discipline (`../INVARIANTS.md` C-8).
-//
-// Why two separate top-level carriers (`EnforcedApplication` +
-// `IntrospectApplication`) instead of one sum: v3's `.dag` substrate
-// parameterizes sum types uniformly across variants, so a sum where
-// Enforce binds Budget but Introspect doesn't is not currently
-// expressible. Two top-level carriers sidestep the per-variant-generic
-// issue. "SectionedLensApplication" is a collective noun for the pair;
-// it is NOT a substrate declaration.
-//
-// Why the per-lens `LensEnforcement<Output, Budget, Projected>` projection
-// rather than `Output = Budget` everywhere: complexity's lens-output is rich
-// (`ComplexitySummary { work, span, asymptotic_class, ... }`) — required
-// for compositional folds — but the user-authored budget is typically a
-// single class (`O_log_n`). The projection separates the two: lens
-// output stays rich (load-bearing for composition); budget stays simple
-// (load-bearing for user authoring). Lenses where Output = Budget (cost,
-// parallelism) declare the identity projection with `Projected = Budget`.
-// Timing enforcement uses a `Projected` sum distinct from `TimingBudget`
-// so non-evidence reports are not encoded as plausible nanosecond magnitudes
-// on the projection boundary (P2 / gate #58; see `timing_lens.dag`).
-//
-// Per-lens `LensEnforcement` and `EnforceableLens` data declarations
-// land alongside each lens (`src/v3/lenses/complexity.dag`, etc.) in
-// Slice B; this file only declares the parametric carriers Slice B
-// instantiates.
-//
-// Home: `src/v3/std/` (matches `lens.dag`'s home — references v3-only
-// substrate types `DeclarationId` / `NodeId` / `SourceSpan`). Convergence
-// trigger mirrors `lens.dag`: when v3 substrate types graduate into
-// shared `dsl/std/`, this file moves to `dsl/std/lens_application.dag`.
-
-module v3.std.lens_application
-
-import v3.std.lens { Lens }
-import v3.std.substrate { SourceSpan }
-import v3.std.substrate_minimal { DeclarationId, NodeId }
-
-// 🟢 TERMINAL. Disjoint sum over the two structural section shapes.
-// `DeclarationScope` covers function / module / declaration cases
-// uniformly (each lowers to a `DeclarationId`). `NodeScope` is the
-// exception for expression-level scope: Node-level expressions live
-// inside a Declaration's body sub-DAG and have no DeclarationId of
-// their own, so the `NodeId` is qualified by the enclosing
-// `DeclarationId` for context.
-//
-// Why bundle `DeclarationId` into `NodeScope` rather than make it
-// "section is just NodeId": declarations are the unit at which lenses
-// naturally compose (a complexity lens on a function reads the
-// function's body sub-DAG; a complexity lens on an expression reads
-// only that expression's sub-tree). Naming the enclosing declaration
-// even when narrowing to an expression keeps lens-fold composition
-// explicit.
-type SectionRef
-  = DeclarationScope { declaration: DeclarationId }
-  | NodeScope        { declaration: DeclarationId, node: NodeId }
-
-// 🟢 TERMINAL. Single-variant nominal carrier. Per design doc §3 +
-// `../INVARIANTS.md` C-8 (fail-closed compilation) + the
-// `feedback_fail_closed_discipline` rule, the user's original
-// `CompileError | Warning | Silent` framing collapses to "Error only":
-//   - Warning is forbidden (C-8 prohibits warnings as steady state).
-//   - Silent is forbidden (named exactly in the fail-closed rule as the
-//     pattern banned).
-// "Introspect mode" replaces both — see `IntrospectApplication` below.
-//
-// `DiagnosticSeverity` exists as a single-variant carrier (not a bare
-// `Unit`) so future *non-fail-closed* surfaces (none currently planned)
-// can extend without changing `EnforcedApplication`'s shape. Per
-// `feedback_no_metadata_markers`, the named single-variant carrier is
-// structurally honest: there is exactly one severity, named.
-type DiagnosticSeverity = Error
-
-// 🟢 TERMINAL at the per-lens projection scope. The two fields are the
-// irreducible contract a per-lens enforcement must publish:
-//
-//   - `project`  — extracts the **usage / comparable projection** from the
-//                  lens output (may equal `Budget` — complexity, cost — or be
-//                  a dedicated sum — timing `TimingEnforcementProjected`).
-//   - `violates` — per-lens violation relation. First argument is the
-//                  **full lens output** `Output` (not only `project(o)`):
-//                  relations that must distinguish sum variants before
-//                  comparing budget-shaped coordinates (timing gate #58:
-//                  `Observed` wall ns vs non-evidence) cannot be expressed
-//                  as pure `Budget × Budget` predicates without illegal-state
-//                  collisions (see `timing_lens.dag`). Second argument is the
-//                  user-declared `Budget`. Returns true iff enforcement fails
-//                  closed under the lens ordering (lattice dominance for
-//                  complexity; strict `>` on nanoseconds for timing observed
-//                  evidence; etc.).
-type LensEnforcement<Output, Budget, Projected> {
-  project: fn(Output) -> Projected
-  violates: fn(Output, Budget) -> Bool
-}
-
-// 🟢 TERMINAL at the per-lens canonical-pairing scope. Bundles a lens
-// with its CANONICAL enforcement (projection + violation relation)
-// into ONE substrate authority. `EnforcedApplication` references the
-// bundled `EnforceableLens` (not lens + enforcement separately) so the
-// application site cannot pair non-canonical lens / enforcement
-// combinations.
-//
-// PARSER-LEVEL UNIQUENESS INVARIANT — TRACKED, NOT YET ENFORCED.
-// Per design doc §2, the parser is intended to enforce "at most ONE
-// `EnforceableLens<C, B>` declaration per (`Lens<C>`, Budget `B`)
-// pair in the program" — same shape as v3's other single-authority
-// parser invariants (one declaration per name; one `BoundedLattice`
-// instance per type). The check fires at parse time with a Diagnostic
-// naming both authoring sites.
-//
-// **Status at this commit**: the carrier shape is landed (this file);
-// the parser check is NOT yet implemented. Until it lands, duplicate
-// `EnforceableLens<C, B>` declarations are convention-only.
-//
-// **Dissolution routing (per `../INVARIANTS.md` P5)**: tracked at
-// gunb-ai/gunbc#2162 — Substrate slice authoring the parse-time pass
-// + the behavior-driven duplicate-declarations Diagnostic test. This
-// is the single retirement path for the tracked debt; closing #2162
-// dissolves the "convention-only" gap and lifts this comment block
-// to the present-tense invariant the design doc names. Scheduling is
-// Substrate Mgr discretion (not on the R3 thesis-close cascade).
-// Design-lock authority for the invariant shape itself remains design
-// doc §2 "PARSER-LEVEL UNIQUENESS INVARIANT" paragraph.
-//
-// Why parser-level, not type-level: full type-level enforcement
-// (preventing user code from EVER declaring a second
-// `EnforceableLens<C, B>`) would require existentials or singleton
-// inhabitance — substrate features v3 does not currently express.
-// Future substrate hardening lifts this to type-level.
-type EnforceableLens<Output, Budget, Projected> {
-  lens: Lens<Output>
-  enforcement: LensEnforcement<Output, Budget, Projected>
-}
-
-// 🟢 TERMINAL at the enforce-mode application scope. Carrier for
-// enforce-mode lens applications. References ONE `EnforceableLens`
-// (the bundled lens+enforcement authority); cannot pair against
-// arbitrary lens / enforcement combinations.
-//
-// Per `feedback_state_space_vs_behavioral_invariants` + modeling
-// principles 2/6: Enforce-without-budget / Introspect-with-budget /
-// Introspect-with-enforcement / lens-projection-budget mismatch are
-// all illegal states; all unrepresentable in this carrier shape. The
-// shared `Output`, `Budget`, and `Projected` type parameters tie
-// `enforceable_lens.lens` (`Lens<Output>`),
-// `enforceable_lens.enforcement` (`LensEnforcement<Output, Budget, Projected>`),
-// `budget` (`Budget`), and the enforcement `project` codomain (`Projected`)
-// structurally. Mismatched instantiations are
-// rejected at parse/inference time, not via a separate type-checker
-// rule.
-//
-//   - `enforceable_lens`     — bundled lens+enforcement authority.
-//   - `section`              — structural section the application
-//                              targets.
-//   - `budget`               — user-declared contract; must equal the
-//                              `Budget` parameter of `enforceable_lens`.
-//   - `diagnostic_severity`  — currently the single-variant `Error`;
-//                              extension point for future
-//                              non-fail-closed surfaces.
-//   - `span`                 — user-authored site for diagnostic
-//                              attribution. Required (not Optional) —
-//                              every Enforce application has an
-//                              authoring site.
-type EnforcedApplication<Output, Budget, Projected> {
-  enforceable_lens: EnforceableLens<Output, Budget, Projected>
-  section: SectionRef
-  budget: Budget
-  diagnostic_severity: DiagnosticSeverity
-  span: SourceSpan
-}
-
-// 🟢 TERMINAL at the introspect-mode application scope. Carrier for
-// introspection-mode applications: the lens runs against the section
-// and produces a value available to downstream lens composition + debug
-// surfaces, but no enforcement and no diagnostic.
-//
-// Parametric in lens output ONLY — no `Budget`, no enforcement
-// projection. Per the design doc P2 / illegal-states-unrepresentable
-// concern: an Introspect application MUST NOT carry enforcement
-// metadata it cannot consume.
-//
-// Why a separate top-level carrier rather than a sum variant:
-// v3's `.dag` substrate parameterizes sum types uniformly across
-// variants — a sum where one variant binds `Budget` and the other
-// doesn't is not currently expressible. Two separate top-level
-// declarations sidestep this; the lens-fold pass walks the two lists
-// separately (per design doc §5).
-type IntrospectApplication<Output> {
-  lens: Lens<Output>
-  section: SectionRef
-  span: SourceSpan
-}
diff --git a/src/v3/std/list.dag b/src/v3/std/list.dag
deleted file mode 100644
index 5716715862c..00000000000
--- a/src/v3/std/list.dag
+++ /dev/null
@@ -1,209 +0,0 @@
-// std.list — list modeling as the free monoid on T.
-//
-// **Status: bootstrap-staged std file.** The declarations in this
-// file are loaded by `Dag::new()` from `src/v3/std/`. The bodies stay
-// in block form for now so the current parser/lowerer can ingest the
-// signatures cleanly while preserving the intended implementation as
-// source text in-place. The remaining gap is end-to-end lowering /
-// emission of recursive list bodies, not the API surface itself.
-//
-// Current staging note:
-//   - The function signatures are authoritative and available to
-//     downstream code today.
-//   - The bodies remain preserved as block text because the current
-//     compiler still lacks full structural recursion + list-body
-//     emission support.
-//
-// **Bootstrap staging.** Lives in `src/v3/std/` not `dsl/std/`
-// for the same reason `src/v3/spec/rust.dag` does: v2's CI
-// pipeline scans `dsl/` recursively and cannot parse v3's
-// grammar. Canonical logical home is `dsl/std/list.dag` once
-// v2 retires. See `THESIS.md` §"Two groundings" bootstrap note.
-//
-// **Why List is modeled here, not left implicit.** The thesis
-// commits to "every program facet is a substrate fact." v2 has
-// `Set<T>` declared structurally but no List standard library.
-// List is one of the highest-leverage missing pieces — every
-// other collection algebra (fold, map, filter, zip) derives from
-// the free-monoid structure. Without a declared List, every
-// consumer that needs a list re-invents iteration in Rust.
-
-module std.list
-
-import std.types { Int, Bool }
-import std.algebra { Monoid }
-
-// ── Structural shape ────────────────────────────────────────────
-
-// v2 still aliases `List<T>` through `FreeMonoid<T>` in
-// `dsl/std/types.dag`, but v3 needs the structural carrier directly so
-// user code can match and recurse over `Empty | Cons`. The bootstrap
-// loader prefers `src/v3/` declarations over `dsl/` declarations, so
-// this staged definition is now the authority v3 walks to.
-type List<element>
-  = Empty
-  | Cons { head: element, tail: List<element> }
-
-// ── Algebraic inhabitance ───────────────────────────────────────
-
-// `List<T>` inhabits `Monoid<List<T>>`:
-//   identity = `Empty`
-//   op       = `concat` (append two lists)
-// This makes `List<T>` the **free monoid on T**. The monoid laws
-// (associativity, left-identity, right-identity) hold by the
-// recursive definition of `concat` and are verified by the
-// algebra-inhabitance lens.
-//
-// The canonical value declaration is intentionally commented out
-// for now because generic `data` items are not yet part of the
-// surface grammar:
-//
-// data list_monoid<element>: Monoid<List<element>> = {
-//   identity: Empty
-//   op: concat
-// }
-
-// ── Constructors ────────────────────────────────────────────────
-
-// `empty()` — the empty list. Alias for the `Empty` variant in
-// expression position. Exists so callers can write `empty()`
-// generically instead of naming the variant.
-fn empty<element>() -> List<element> {
-  Empty
-}
-
-// `cons(head, tail)` — prepend `head` to `tail`. Alias for the
-// `Cons` variant constructor.
-fn cons<element>(head: element, tail: List<element>) -> List<element> {
-  Cons(head, tail)
-}
-
-// `singleton(x)` — a one-element list.
-fn singleton<element>(x: element) -> List<element> {
-  Cons(x, Empty)
-}
-
-// ── The catamorphism (fold) ─────────────────────────────────────
-
-// `fold` is THE primitive. Every other list operation below
-// derives from `fold` or `fold_right`. This is the structural
-// catamorphism over the Disj — pattern match on Empty/Cons,
-// recurse on the tail.
-//
-// **Left fold.** Accumulator grows leftward; the function `f`
-// receives the current accumulator and the next element.
-//   `fold([1, 2, 3], 0, |acc, x| acc + x) = ((0 + 1) + 2) + 3 = 6`
-fn fold<T, U>(list: List<T>, init: U, f: fn(U, T) -> U) -> U {
-  match list {
-    Empty            => init
-    Cons(head, tail) => fold(tail, f(init, head), f)
-  }
-}
-
-// **Right fold.** Accumulator grows rightward; the function `f`
-// receives the next element and the current accumulator. Used by
-// `concat` and `map` because it preserves order without a
-// reversal step.
-//   `fold_right([1, 2, 3], 0, |x, acc| x + acc) = 1 + (2 + (3 + 0)) = 6`
-fn fold_right<T, U>(list: List<T>, init: U, f: fn(T, U) -> U) -> U {
-  match list {
-    Empty            => init
-    Cons(head, tail) => f(head, fold_right(tail, init, f))
-  }
-}
-
-// ── Monoid op (concat) ──────────────────────────────────────────
-
-// `concat(a, b)` — append `b` onto `a`. Derived from `fold_right`
-// by cons-ing each element of `a` onto the front of `b`.
-//
-// This is the monoid operation named in `list_monoid.op` above.
-// The recursive structure makes associativity and identity laws
-// trivially hold (empty on either side leaves the other list
-// unchanged; three-way concat regroups without changing order).
-fn concat<element>(a: List<element>, b: List<element>) -> List<element> {
-  fold_right(a, b, cons)
-}
-
-// ── Derived operations ──────────────────────────────────────────
-
-// `map(list, f)` — apply `f` to every element, producing a new
-// list of the same length.
-fn map<A, B>(list: List<A>, f: fn(A) -> B) -> List<B> {
-  fold_right(list, empty(), |x, acc| cons(f(x), acc))
-}
-
-// `filter(list, p)` — keep only elements matching the predicate.
-fn filter<T>(list: List<T>, p: fn(T) -> Bool) -> List<T> {
-  fold_right(list, empty(), |x, acc|
-    if p(x) then cons(x, acc) else acc
-  )
-}
-
-// `flat_map(list, f)` — map each element to a list, then
-// concatenate the results. Aka `concatMap` in Haskell.
-fn flat_map<A, B>(list: List<A>, f: fn(A) -> List<B>) -> List<B> {
-  fold_right(list, empty(), |x, acc| concat(f(x), acc))
-}
-
-// `length(list)` — the number of elements. The only list
-// operation that returns an `Int` directly.
-fn length<T>(list: List<T>) -> Int {
-  fold(list, 0, |acc, _| acc + 1)
-}
-
-// `is_empty(list)` — true iff the list has no elements. Useful
-// as a predicate since pattern matching would force the caller
-// to write a full match.
-fn is_empty<T>(list: List<T>) -> Bool {
-  match list {
-    Empty   => True
-    Cons(_, _) => False
-  }
-}
-
-// ── Indexed traversal ───────────────────────────────────────────
-
-// `IndexedElement<T>` pairs a list index with its value. Used
-// by `enumerate` to thread positional information through a
-// traversal without a side-channel.
-type IndexedElement<element> {
-  index: Int
-  value: element
-}
-
-// `enumerate(list)` — pair each element with its zero-based
-// index. The output list has the same length as the input.
-fn enumerate<T>(list: List<T>) -> List<IndexedElement<T>> {
-  enumerate_helper(list, 0)
-}
-
-// Helper: accumulator-style traversal that threads the index.
-// Not exposed to callers; callers use `enumerate`.
-fn enumerate_helper<T>(list: List<T>, start: Int) -> List<IndexedElement<T>> {
-  match list {
-    Empty => Empty
-    Cons(head, tail) =>
-      Cons(
-        IndexedElement { index: start, value: head },
-        enumerate_helper(tail, start + 1)
-      )
-  }
-}
-
-// ── Element search ──────────────────────────────────────────────
-
-// `contains(list, target)` — true iff some element of `list`
-// equals `target`. Requires `T` to inhabit `Eq<T>` for the
-// equality comparison below.
-//
-// TODO: once v3 grows `Eq<T>` inhabitance declarations, this
-// function becomes `where T: Eq`. Until then, `==` dispatches
-// through whatever equality is structurally available on `T`.
-fn contains<T>(list: List<T>, target: T) -> Bool {
-  match list {
-    Empty => False
-    Cons(head, tail) =>
-      if head == target then True else contains(tail, target)
-  }
-}
diff --git a/src/v3/std/lookup.dag b/src/v3/std/lookup.dag
deleted file mode 100644
index 0dca59438ce..00000000000
--- a/src/v3/std/lookup.dag
+++ /dev/null
@@ -1,93 +0,0 @@
-// std.lookup — partial-map application at a single key (1 + V).
-//
-// Ontological grounding: `dsl/std/algebra.dag` models `Map<K,V>` as
-// `K -> (1 + V)`; applying the map at one key yields either absence
-// (`Missing`) or a found value (`Found`). This is the shared carrier
-// for every lens-local `MissingX | FoundX(T)` pair that only differed
-// in label noise — see docs/thesis/compiler-std-consolidation.md
-// (primary ratchet: strict two-variant Lookup pattern).
-//
-// Bootstrap staging: `src/v3/std/` until the v2 firewall dissolves and
-// `dsl/std/` subsumes v3 std (same gate as `std.list` / `std.algebra`).
-//
-// This module does **not** define generic `fn miss_lookup` / `fn hit_lookup`:
-// v3 infer cannot yet prove bodies `Miss` and `Hit(v)` against `Lookup<value>`
-// (semantic failure: "body does not satisfy return type"). Lenses use the
-// Int-monomorphized `miss_int_lookup` / `hit_int_lookup` only; Rust emit lowers
-// those to `Lookup::Miss` / `Lookup::Hit` (see `emit_rust_target` lookup callables).
-
-module v3.std.lookup
-
-import std.types { Int }
-
-// Bootstrap host hook for the algebraic `Map<K,V> = K -> (1 + V)` lookup
-// operation. This is the v3-staged declaration counterpart of the
-// `dsl/std/primitives.dag` `map_get` primitive contract; callers use it when
-// they need to prove a key is actually present instead of treating key text as
-// authority.
-fn map_get<key, value>(m: Map<key, value>, key: key) -> value? {
-  host map_get
-}
-
-// Coproduct dissolution (docs/modeling-discipline.md §4). `Lookup<value>` is
-// the **1 + V** optional-presence sum for a single key read (see file header:
-// `Map` at one key is `K -> (1 + V)` in `dsl/std/algebra.dag`). Classification:
-// **🟢 TERMINAL (GREEN).** Four-pattern ledger — each pattern *attempted*; none
-// dissolves this carrier into a different substrate shape (terminal justified):
-//   1. Fact placement — Fails: `Miss` and `Hit` are not duplicative facts stashed
-//      at unrelated DAG sites; they are the exclusive outcomes of *one* partial
-//      read. Splitting would break the `1 + V` algebra (see THESIS.md structural
-//      decompression — this is the irreducible sum for optional value).
-//   2. Variant-is-data — Fails: `Miss` (unit) and `Hit(value)` (payload) are not
-//      the same record with a tag field; merging would erase the empty vs. typed
-//      distinction.
-//   3. Algebraic form — Fails to collapse *further:* this declaration **is** the
-//      shared `std` carrier for the strict two-variant lookup pattern (P2
-//      single authority for `Missing|Found(T)`-shaped lenses — compiler-std
-//      consolidation, `docs/thesis/compiler-std-consolidation.md`); it is not a
-//      parallel enum beside a richer `std/` type.
-//   4. Dimensional — Fails: absence vs. presence of `value` is a single binary
-//      sum, not a product of independent dimensions to factor into fields.
-//
-// **Dissolution / migration receipt (compiler–std consolidation).** Migrated
-// lenses that *consume* this carrier (rather than declaring a parallel
-// `Missing/Found` sum):
-//   - `src/v3/lenses/complexity.dag` — `cost_of` → `Lookup<Int>`
-//     (`miss_int_lookup` / `hit_int_lookup` monomorphized constructors here);
-//   - `src/v3/lenses/cost.dag` — `symbolic_cost_of` → `Lookup<SymbolicCost>`
-//     (monomorphized constructors `miss_symbolic_cost_lookup` /
-//     `hit_symbolic_cost_lookup` live next to `SymbolicCost` in `std.algebra`
-//     so `std.lookup` stays free of algebra imports).
-//
-// **Structural consumer (P2 / INVARIANTS.md P2: declaration + realization +
-// generated proof).** `Lookup` is not declaration-only:
-//   - `src/v3/lenses/complexity.dag` — `cost_of` and helpers return `Lookup<Int>`;
-//   - `src/v3/lenses/cost.dag` — `symbolic_cost_of` and helpers return
-//     `Lookup<SymbolicCost>`;
-//   - `src/v3/lenses/infer_helpers.dag` — `template_argument_value` →
-//     `Lookup<DeclarationId>` (monomorphized constructors live in
-//     `std.substrate` — same split as `SymbolicCost` in `std.algebra`, keeps
-//     this module free of declaration-identity imports);
-//   - `src/v3/compiler/src/complexity_lens_generated.rs` and
-//     `src/v3/compiler/src/cost_symbolic_lens_generated.rs` — `regen_lens` /
-//     `emit_rust_module` output; the compiler includes these modules and
-//     pattern-matches `Lookup` at the lens boundary;
-//   - `src/v3/spec/rust.dag` — `rust_lookup_instantiation` projects the carrier
-//     to Rust `Lookup<T>` for emit (Miss/Hit).
-
-// Generic sum: one authority for “absent vs present” at a typed value.
-// Variant labels `Miss` / `Hit` mirror the thesis `Missing | Found(T)` naming.
-// §4 + P2: **🟢 TERMINAL** ledger, four-pattern check, and structural consumers
-// (`complexity.dag`, `complexity_lens_generated.rs`, `rust.dag`) are in the block
-// *above* — this `type` line is not a naked declaration.
-type Lookup<value>
-  = Miss
-  | Hit(value)
-
-fn miss_int_lookup() -> Lookup<Int> {
-  Miss
-}
-
-fn hit_int_lookup(n: Int) -> Lookup<Int> {
-  Hit(n)
-}
diff --git a/src/v3/std/methods.dag b/src/v3/std/methods.dag
deleted file mode 100644
index 7b19720f4f4..00000000000
--- a/src/v3/std/methods.dag
+++ /dev/null
@@ -1,35 +0,0 @@
-// v3.std.methods — typed `MethodRef` reference into the
-// `dsl/std/methods.dag` registry.
-//
-// Companion to `dsl/std/methods.dag` which declares the
-// `MethodDeclaration` carrier, the 64 algebra-template per-method
-// `data` bindings, and any legacy v2 emit-map aliases (see that
-// file's header for the alias convention and dissolution trigger).
-// `MethodRef` lives here (not in `dsl/std/methods.dag`) because it
-// references `DeclarationRef` from `v3.spec.v3_l1`, and `dsl/std/`
-// stays v3-spec-free per the existing layering convention.
-
-module v3.std.methods
-
-import v3.spec.v3_l1 { DeclarationRef }
-
-// 🟡 SCAFFOLD. Typed reference shape into the `dsl/std/methods.dag`
-// registry. `decl` resolves to a top-level `MethodDeclaration` data
-// binding in `std.methods`. The resolution check is enforced
-// fail-closed at the boundary because today's substrate grammar
-// can't express `DeclarationRef<MethodDeclaration>` (refinement-type-
-// on-DeclarationRef). Same residual class as `PatternRealization`
-// (`src/v3/std/emit_model.dag` lines 140–152, `empty_variant` /
-// `cons_variant`) and `LensInstanceKindWitness.kind_decl` in
-// `src/v3/std/diagnostics.dag`. Refining to
-// `DeclarationRef<MethodDeclaration>` is part of the same
-// dissolution trigger — substrate-level refinement-typing-on-
-// DeclarationRef.
-//
-// `MethodTemplateContract.dag_method` (`src/v3/std/emit_model.dag`)
-// refines from bare `DeclarationRef` (the #1175 substrate gap) to
-// `MethodRef` so the field carries a structurally meaningful pointer
-// at the registry rather than admitting any declaration.
-type MethodRef {
-  decl: DeclarationRef
-}
diff --git a/src/v3/std/parse_surface.dag b/src/v3/std/parse_surface.dag
deleted file mode 100644
index 0140e5beb95..00000000000
--- a/src/v3/std/parse_surface.dag
+++ /dev/null
@@ -1,319 +0,0 @@
-// v3.std.parse_surface — shared parse-surface AST for `.dag` source text.
-//
-// The parser/projection stack (`parse_generated.rs`, `regen_parse`, lower helpers)
-// consumes these types as imported authority. This keeps `Surface*` shapes in
-// `std/` so the compiler and future user-space tooling share the same
-// pre-lowered surface schema (compiler-std consolidation tranche 2).
-//
-// **Historical note:** these declarations lived in
-// `src/v3/compiler/runtime_mirrors.dag` as substrate mirrors; they moved here
-// as the single authority for the parse-surface family.
-
-module v3.std.parse_surface
-
-import std.list { List }
-import v3.std.substrate { SourceSpan, OperatorKind }
-
-type DagDifference {
-  detail: String
-}
-
-// SG-3f — parse-surface reflection foundation.
-//
-// These declarations mirror the parser's Surface* carriers so they
-// exist as substrate authority rather than only as handwritten Rust
-// types in `parse.rs`. The parser still constructs its native Rust
-// structs/enums today; SG-3f's job is the structural foundation:
-// lower.dag can now target a declared surface schema instead of
-// inventing a parallel one later.
-type SurfaceModule {
-  items: List<SurfaceItem>
-}
-
-type SurfaceParam {
-  name: String
-  ty: SurfaceType
-  refinement: SurfaceExpr?
-}
-
-type SurfaceField {
-  name: String
-  ty: SurfaceType
-}
-
-type SurfaceVariant {
-  name: String
-  payload: VariantPayload
-  span: SourceSpan
-}
-
-// 🟢 TERMINAL at variant-payload shape scope for `parse_surface`. `Positional` vs `Record`
-// names two surface encodings of constructor payloads at this mirror; ledger: patterns 1–4
-// from modeling-discipline §4 are N/A here (finer decomposition belongs in parse-rule authority).
-type VariantPayload
-  = Positional(List<SurfaceType>)
-  | Record(List<SurfaceField>)
-
-// R3 gate #60 Phase 2.1 — angle-bracket type arguments only (`Int<64>`, `List<T>`, …).
-// Width literals are **not** valid as standalone `ty:` annotations; modeling them here
-// (not as `SurfaceType` peers) keeps illegal states unrepresentable at full-type scope.
-type TypeAngleArg
-  = TypeExpr { ty: SurfaceType }
-  | WidthNatLiteral { decimal: String, span: SourceSpan }
-
-// 🟡 SCAFFOLD at SG-2 parser-staging carrier scope (substrate mirror, not parse-rule authority).
-// **Named trigger:** `parse_parser_body.txt` header (emit algorithm from `.dag` alone) plus
-// SG-2b / SG-3f parse-rule cutover aligned with `lower.rs`.
-type SurfaceType
-  = Named { name: String, span: SourceSpan }
-  | Parameterized {
-      name: String
-      args: List<TypeAngleArg>
-      span: SourceSpan
-    }
-  | Optional {
-      inner: SurfaceType
-      span: SourceSpan
-    }
-  | Arrow {
-      inputs: List<SurfaceType>
-      output: SurfaceType
-      span: SourceSpan
-    }
-
-type SurfaceRecordField {
-  name: String
-  value: SurfaceExpr
-  span: SourceSpan
-}
-
-// 🟡 SCAFFOLD — map-literal key/value entry carrier. Same dissolution trigger
-// as `SurfaceExpr` (recursive list-body emission unblock).
-//
-// **Key shape rationale.** `key: String` (not `SurfaceLiteral::String`,
-// not `SurfaceExpr`) makes invalid map-literal keys unrepresentable at the
-// parse-surface boundary: the parser only emits `SurfaceMapEntry` after
-// matching a `StringLit` token in the `{ String : ... }` lookahead, so the
-// key field carries the parsed string content directly. Non-string keys
-// are not parseable today (string-key-only non-goal in the brief); when a
-// future sibling sub-lane lifts that restriction, *that* PR widens the
-// key carrier — not this one. `key_span` preserves the source-text span
-// of the string-literal token so downstream consumers (lowering, lenses,
-// diagnostics) can attach key-specific provenance without re-deriving it.
-type SurfaceMapEntry {
-  key: String
-  key_span: SourceSpan
-  value: SurfaceExpr
-  span: SourceSpan
-}
-
-type SurfaceMatchArm {
-  pattern: SurfacePattern
-  body: SurfaceExpr
-  span: SourceSpan
-}
-
-type SurfacePatternField {
-  name: String
-  binding: String
-  span: SourceSpan
-}
-
-// 🟡 SCAFFOLD — mirrored surface pattern forms; same dissolution trigger as `SurfaceType`.
-type SurfacePattern
-  = BareVariant { name: String, span: SourceSpan }
-  | VariantWith {
-      name: String
-      binding: String
-      span: SourceSpan
-    }
-  | VariantFields {
-      name: String
-      fields: List<SurfacePatternField>
-      span: SourceSpan
-    }
-
-// 🟢 TERMINAL at parse_surface surface-literal scope. Four literal classes are irreducible
-// input distinctions here; ledger: patterns 1–4 N/A (no finer substrate split without changing
-// the language surface). **Naming contract:** SurfaceLiteral variant labels MUST stay `Int` /
-// `Bool` / `String` / `Symbol` — the same names as the historical handwritten parser — so
-// generated Rust matches `lower.rs` and every `SurfaceLiteral::…` constructor site. Do not
-// rename to `IntLit` / `BoolLit` / `StringLit` (tokenizer token kinds, not surface literals).
-// `Int` payload: signed decimal string (matches `LiteralBits::LitInt` / tokenizer).
-// `Symbol` payload: opaque IDENT spelling from `^IDENT` (matches `LiteralBits::LitSymbol`).
-type SurfaceLiteral
-  = Int(String)
-  | Bool(Bool)
-  | String(String)
-  | Symbol(String)
-
-// 🟡 SCAFFOLD — expression carrier mirror; same dissolution trigger as `SurfaceType`.
-type SurfaceExpr
-  = Literal { value: SurfaceLiteral, span: SourceSpan }
-  | Var { name: String, span: SourceSpan }
-  | Path {
-      segments: List<String>
-      segment_spans: List<SourceSpan>
-      span: SourceSpan
-    }
-  | Call {
-      target: String
-      args: List<SurfaceExpr>
-      span: SourceSpan
-    }
-  // 🟡 SCAFFOLD — sibling of Path + Call for static call-on-field-access
-  // (Prereq-X1.a). Dissolution trigger: collapses into the same
-  // `Call { callee: CalleeRef, args }` shape that
-  // `docs/design-prereq-x-ho-field-call.md` §X1.b's dissolution ledger
-  // names for `Callable` / `FieldCall` / `Indirect`. When that
-  // CalleeRef substrate carrier lands, X1.a-shaped programs lower as
-  // `Call { callee: CalleeRef::Field { … }, args }` and PathCall
-  // retires. Single classification surface, no parallel ROADMAP row.
-  | PathCall {
-      segments: List<String>
-      segment_spans: List<SourceSpan>
-      args: List<SurfaceExpr>
-      span: SourceSpan
-    }
-  | VariantRecord {
-      target: String
-      fields: List<SurfaceRecordField>
-      span: SourceSpan
-    }
-  | Operator {
-      op: OperatorKind
-      args: List<SurfaceExpr>
-      span: SourceSpan
-    }
-  | Lambda {
-      params: List<String>
-      body: SurfaceExpr
-      span: SourceSpan
-    }
-  | If {
-      cond: SurfaceExpr
-      then_branch: SurfaceExpr
-      else_branch: SurfaceExpr
-      span: SourceSpan
-    }
-  | Match {
-      scrutinee: SurfaceExpr
-      arms: List<SurfaceMatchArm>
-      span: SourceSpan
-    }
-  | Record {
-      fields: List<SurfaceRecordField>
-      span: SourceSpan
-    }
-  | List {
-      elements: List<SurfaceExpr>
-      span: SourceSpan
-    }
-  // Map literal — `{ "key": expr, ... }`. Disambiguated at the brace
-  // body via `looks_like_map_literal` (`{ String :` lookahead) to
-  // route into `parse_map_literal` instead of `parse_record_literal`
-  // (`{ Ident :`). Top-level data-body context only at this stage; the
-  // parser does not emit `Map` from expression-position braces.
-  //
-  // **Coproduct dissolution receipt** (per `feedback_coproduct_dissolution`,
-  // `LoopBound` precedent at docs/design-mutual-recursion-lowering.md:117-134):
-  // - Pattern 1 (fact placement): does not apply. The variant attaches to
-  //   the same expression slot as siblings; it discriminates KIND OF
-  //   LITERAL, not WHERE THE FACT LIVES.
-  // - Pattern 2 (variant-is-data): does not apply. `Map.entries` carries
-  //   `List<SurfaceMapEntry>` with key+value pairs, structurally distinct
-  //   from `Record.fields: List<SurfaceRecordField>` (which carries
-  //   identifier-labeled fields, not string keys) and `List.elements`
-  //   (which carries unkeyed elements). The shapes are different
-  //   carriers, not the same payload under different labels.
-  // - Pattern 3 (algebraic form): does not apply. Map literal is not a
-  //   point in a shared algebra with Record / List — record is a
-  //   labeled product (Conj inhabitance), list is a free monoid, map is
-  //   a partial function (`Map<K, V>` algebra, `kernel_algebra_profile`
-  //   names it `PartialFunctionProfile`). Three distinct algebraic
-  //   origins.
-  // - Pattern 4 (dimensional): does not apply. No shared coordinate
-  //   space `{label, key, element}` across the three variants where one
-  //   coordinate is absent in each — `Record.fields[i].name: String`
-  //   and `Map.entries[i].key: String` look superficially similar but
-  //   the surrounding semantics (record-field name resolution against a
-  //   declared product type vs. map-key arbitrary string-domain lookup)
-  //   are different uses of the string carrier.
-  // Verdict: `Map` is the correct coproduct addition; not dissolvable
-  // into the existing variants.
-  | Map {
-      entries: List<SurfaceMapEntry>
-      span: SourceSpan
-    }
-
-// 🟡 SCAFFOLD — top-level item carrier mirror (substrate schema). **Named trigger (carrier /
-// parse-rule authority, SG-2b):** same as `SurfaceType` — `parse_parser_body.txt` header +
-// roadmap-active-deferrals.md (emit parse from `.dag` alone; no Rust body splice).
-// **`FnExternalBody` ledger (DB-16 — not the same paydown as SG-2b):** one variant, three
-// pipeline-reconciled cases — (1) parse lag → `ArrowBody::Unparsed(body_span)` until M2 surface
-// catches the form; (2a) host pipeline stages → `ExternalRealization` at bootstrap; (2c)
-// `pipeline.dag` `compile` keeps `Unparsed` with body-span ordering authority. Do not fold
-// these into the SG-2b text-file deletion trigger; authority + scheduled deletions live in
-// `docs/design-fn-external-body-reconciliation.md` and `docs/history/roadmap-active-deferrals.md`
-// (DB-16 / PR #524).
-type SurfaceItem
-  = Let {
-      name: String
-      type_ann: SurfaceType?
-      expr: SurfaceExpr
-    }
-  | Fn {
-      name: String
-      type_params: List<String>
-      params: List<SurfaceParam>
-      return_type: SurfaceType
-      body: SurfaceExpr
-      span: SourceSpan
-    }
-  | FnExternalBody {
-      name: String
-      type_params: List<String>
-      params: List<SurfaceParam>
-      return_type: SurfaceType
-      body_span: SourceSpan
-      span: SourceSpan
-    }
-  | Data {
-      name: String
-      ty: SurfaceType
-      body: SurfaceExpr?
-      body_span: SourceSpan
-      span: SourceSpan
-    }
-  | Module { path: List<String>, span: SourceSpan }
-  | Import {
-      path: List<String>
-      names: List<String>
-      span: SourceSpan
-    }
-  | TypeAtom {
-      name: String
-      type_params: List<String>
-      span: SourceSpan
-    }
-  | TypeRecord {
-      name: String
-      type_params: List<String>
-      fields: List<SurfaceField>
-      span: SourceSpan
-    }
-  | TypeSum {
-      name: String
-      type_params: List<String>
-      variants: List<SurfaceVariant>
-      inhabits: SurfaceType?
-      span: SourceSpan
-    }
-  | TypeAlias {
-      name: String
-      type_params: List<String>
-      nominal_opaque: Bool
-      target: SurfaceType
-      refinement: SurfaceExpr?
-      span: SourceSpan
-    }
diff --git a/src/v3/std/python_method_template_contracts.dag b/src/v3/std/python_method_template_contracts.dag
deleted file mode 100644
index ceced3af61e..00000000000
--- a/src/v3/std/python_method_template_contracts.dag
+++ /dev/null
@@ -1,244 +0,0 @@
-// v3.std.python_method_template_contracts -- per-method render-template
-// rows for the Python target. See sibling
-// `rust_method_template_contracts.dag` for the full scope / authority /
-// home / convention notes.
-//
-// PYTHON-SPECIFIC NOTES:
-//   - The legacy emit authority (`python_method_templates: Map<String, String>`
-//     in `dsl/extdeps/languages/python/emit.dag`) does not carry
-//     `wraps_result`. Per Q4 four-property gate, every row's
-//     `wraps_result` is structurally `false` for Python — declared
-//     explicitly here, NOT silently inherited from Rust.
-//   - `string_contains` is now classified as a target-only emit-shortcut
-//     name in `dsl/std/methods.dag` (#1549 Gap 1 / R3 dispatch on parent
-//     inbox #1130). The row below references `string_contains_method`
-//     and renders Python's `{arg} in {recv}` for the substring shape;
-//     this is structurally distinct from algebra `contains` (collection
-//     membership) which is not currently rendered through this list.
-//   - `{arg0}` → `{arg}` rewrite applied to runtime templates (`join`,
-//     `split`); rows use `placeholder_convention: NamedArg` uniformly.
-//   - Methods present only in `python_method_templates` (map,
-//     filter, any, all, flat_map, skip, take, sort_by, append)
-//     use the emit template for both row sides — v2's actual behavior
-//     is "python_method_templates for both consumption sites" since
-//     `collection_method_translations` doesn't declare them.
-//     `concat` / `fold` / `map` — LanguageSpec `CollectionOps.{concat,fold,map}_contract`
-//     carries named `MethodTemplateContract` rows (`python_language_spec_*`). **Fold + map**
-//     follow the same pattern as **fold**: these carriers are **not** listed below — the legacy
-//     `python_method_templates` projection expects `{arg}` / `NamedArg` rows for list-backed
-//     methods; `map_contract` uses `{body}` / `{item}` (CollectionOps algebra shape). Duplicating
-//     the named carrier into this list would feed the wrong placeholder contract into the legacy
-//     adapter (see collectionops-algebra-reframe.md). `filter` / `flat_map` / `any` / `all` remain
-//     inline or named `*_method_template_contract` rows using `{arg}` consistently.
-
-module v3.std.python_method_template_contracts
-
-import v3.std.emit_model {
-  MethodTemplateContract,
-  PlaceholderConvention,
-  NamedArg,
-  SingleTemplate
-}
-import v3.std.methods { MethodRef }
-import std.methods {
-  count_method,
-  join_method,
-  split_method,
-  last_method,
-  first_method,
-  enumerate_method,
-  chars_method,
-  concat_method,
-  map_method,
-  filter_method,
-  any_method,
-  all_method,
-  flat_map_method,
-  skip_method,
-  take_method,
-  fold_method,
-  is_empty_method,
-  length_method,
-  sort_by_method,
-  append_method,
-  string_contains_method
-}
-
-// LanguageSpec `CollectionOps.{concat,length,is_empty}_contract` carriers live outside
-// `python_method_template_contracts` below (same fold pattern — list rows are a different authority).
-//
-// **P2 single authority** for `concat_method`: `CollectionOps.concat_contract` uses
-// `{left}` / `{right}` (monoid concat). It does **not** repeat inside the list below —
-// that row used `{recv} + {arg}` (different placeholder shape), a second parallel contract
-// for the same registry method.
-
-data python_language_spec_free_monoid_concat_contract: MethodTemplateContract = {
-  dag_method: { decl: concat_method },
-  runtime_template: "[*{left}, *{right}]",
-  emit_template: SingleTemplate { template: "[*{left}, *{right}]" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data python_language_spec_free_monoid_length_contract: MethodTemplateContract = {
-  dag_method: { decl: length_method },
-  runtime_template: "len({recv})",
-  emit_template: SingleTemplate { template: "len({recv})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-// Emptiness — `dag_method` is `is_empty_method` (`FreeMonoid<T>.is_empty`); template is Python sugar.
-data python_language_spec_free_monoid_emptiness_contract: MethodTemplateContract = {
-  dag_method: { decl: is_empty_method },
-  runtime_template: "(len({recv}) == 0)",
-  emit_template: SingleTemplate { template: "(len({recv}) == 0)" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-// **P2 single authority** for `fold_method` on the Python target: LanguageSpec
-// `CollectionOps.fold_contract` (`{recv}`, `{init}`, `{body}` → `__v3_fold`).
-// Does **not** repeat inside `python_method_template_contracts` below — the prior
-// list row used `functools.reduce({arg}, {recv})` (different shape); see
-// `docs/briefs/collectionops-algebra-reframe.md`.
-data python_language_spec_free_monoid_fold_contract: MethodTemplateContract = {
-  dag_method: { decl: fold_method },
-  runtime_template: "__v3_fold({recv}, {init}, {body})",
-  emit_template: SingleTemplate { template: "__v3_fold({recv}, {init}, {body})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-// LanguageSpec `CollectionOps.map_contract` — comprehension shape `{body}` / `{item}` / `{recv}`.
-// **Sole** `map_method` authority for `CollectionOps.map_contract` (not listed below — same as fold).
-data python_language_spec_map_contract: MethodTemplateContract = {
-  dag_method: { decl: map_method },
-  runtime_template: "[{body} for {item} in {recv}]",
-  emit_template: SingleTemplate { template: "[{body} for {item} in {recv}]" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data python_filter_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: filter_method },
-  runtime_template: "[x for x in {recv} if {arg}(x)]",
-  emit_template: SingleTemplate { template: "[x for x in {recv} if {arg}(x)]" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data python_any_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: any_method },
-  runtime_template: "any({arg}(x) for x in {recv})",
-  emit_template: SingleTemplate { template: "any({arg}(x) for x in {recv})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data python_all_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: all_method },
-  runtime_template: "all({arg}(x) for x in {recv})",
-  emit_template: SingleTemplate { template: "all({arg}(x) for x in {recv})" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data python_flat_map_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: flat_map_method },
-  runtime_template: "[y for x in {recv} for y in {arg}(x)]",
-  emit_template: SingleTemplate { template: "[y for x in {recv} for y in {arg}(x)]" },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data python_method_template_contracts: List<MethodTemplateContract> = [
-  {
-    dag_method: { decl: count_method },
-    runtime_template: "len({recv})",
-    emit_template: SingleTemplate { template: "len({recv})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: join_method },
-    runtime_template: "{arg}.join({recv})",
-    emit_template: SingleTemplate { template: "{arg}.join({recv})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: split_method },
-    runtime_template: "{recv}.split({arg})",
-    emit_template: SingleTemplate { template: "{recv}.split({arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: last_method },
-    runtime_template: "{recv}[-1] if {recv} else None",
-    emit_template: SingleTemplate { template: "{recv}[-1] if {recv} else None" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: first_method },
-    runtime_template: "{recv}[0] if {recv} else None",
-    emit_template: SingleTemplate { template: "{recv}[0] if {recv} else None" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: enumerate_method },
-    runtime_template: "list(enumerate({recv}))",
-    emit_template: SingleTemplate { template: "list(enumerate({recv}))" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: chars_method },
-    runtime_template: "[ord(c) for c in {recv}]",
-    emit_template: SingleTemplate { template: "[ord(c) for c in {recv}]" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  python_filter_method_template_contract,
-  python_any_method_template_contract,
-  python_all_method_template_contract,
-  python_flat_map_method_template_contract,
-  {
-    dag_method: { decl: skip_method },
-    runtime_template: "{recv}[{arg}:]",
-    emit_template: SingleTemplate { template: "{recv}[{arg}:]" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: take_method },
-    runtime_template: "{recv}[:{arg}]",
-    emit_template: SingleTemplate { template: "{recv}[:{arg}]" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: sort_by_method },
-    runtime_template: "sorted({recv}, key={arg})",
-    emit_template: SingleTemplate { template: "sorted({recv}, key={arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: append_method },
-    runtime_template: "{recv} + [{arg}]",
-    emit_template: SingleTemplate { template: "{recv} + [{arg}]" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: string_contains_method },
-    runtime_template: "{arg} in {recv}",
-    emit_template: SingleTemplate { template: "{arg} in {recv}" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  }
-]
diff --git a/src/v3/std/resources.dag b/src/v3/std/resources.dag
deleted file mode 100644
index 005026afe99..00000000000
--- a/src/v3/std/resources.dag
+++ /dev/null
@@ -1,27 +0,0 @@
-// std.resources — minimal v3 port of resource-shaped declarations (DB-15).
-//
-// Full `dsl/std/resources.dag` models `resource` blocks and capabilities; v3
-// bootstrap only needs typed handles for test `requires:` edges until the
-// full resource grammar ports. Dissolution trigger: merge with dsl authority
-// when v3 parses `resource` items.
-//
-// Model fidelity: `ResourceHandle` is a **mechanical** copy of
-// `dsl/std/resources.dag` lines 20–25 — same field **order** and labels
-// (`type` → `resource_id` → `key` → `cap: Secret`). Ratchet:
-// `lane2_stage_2c_db15_test::resource_handle_matches_dsl_authority_including_cap`.
-
-module v3.std.resources
-
-import std.types { Secret }
-import v3.spec.v3_l1 { DeclarationRef }
-
-type ResourceHandle {
-  type: String
-  resource_id: String
-  key: String
-  cap: Secret
-}
-
-type ResourceReference {
-  target: DeclarationRef
-}
diff --git a/src/v3/std/runtime.dag b/src/v3/std/runtime.dag
deleted file mode 100644
index dc261f7bf61..00000000000
--- a/src/v3/std/runtime.dag
+++ /dev/null
@@ -1,208 +0,0 @@
-// std.runtime - R2 Evaluator / PB-Runtime observable runtime values.
-//
-// This module lands PR-A.1's Value-only carrier surface. It deliberately
-// excludes evaluator-internal state (`EvalFrame`, `EvalStateStack`,
-// `EvalThunk`) and body-evaluator logic; those land in later PR-A slices.
-//
-// Authority: docs/design-pb-runtime-interpreter.md section 3.2 and
-// docs/briefs/r2-pr-a-runtime-value-model.md. The existing L1 behavior marker
-// is `ValueBehavior`, so the bare declaration name `Value` is reserved here for
-// the observable runtime result domain.
-
-module v3.std.runtime
-
-import std.list { List }
-import std.types { Map }
-import v3.std.substrate { Dag, LiteralBits, LoopBound }
-import v3.std.substrate_minimal { NodeId, PortId, DeclarationId }
-
-type NamedField {
-  label: String
-  value: Value
-}
-
-// 🟢 TERMINAL at PR-A.1 observable-runtime scope. This is the single
-// PB-Runtime / R2-Evaluator runtime result-domain carrier locked by
-// docs/design-pb-runtime-interpreter.md section 3.2 and
-// docs/briefs/r2-pr-a-runtime-value-model.md. The five variants are the
-// irreducible inhabitants the evaluator can return or pass as runtime data:
-//
-//   - `LiteralValue` for Bit / Atom inhabitants through `LiteralBits`
-//   - `RecordValue` for Conj inhabitants through `NamedField`
-//   - `VariantValue` for Disj inhabitants through declaration-tagged payloads
-//   - `NodeRef` for behavior-bearing node identity, not inlined subtrees
-//   - `CardinalityValue` for bounded iteration / cardinality inhabitants
-//
-// `Arrow` and `Instantiation` intentionally are not variants: Arrow values are
-// represented structurally through `Bind` / callable node identity plus the
-// evaluator's internal frame stack, and instantiation erases to the instantiated
-// runtime value. This type must not grow `ClosureValue`; captured environments
-// are PR-A.2 evaluator state (`EvalFrame` / `EvalStateStack`), not observable
-// `Value`. Dissolution trigger: none until PB-Runtime / PR-A.0 is explicitly
-// amended through the substrate-fact-introduction path; this carrier is the
-// convergence authority, not a scaffold.
-type Value
-  = LiteralValue(LiteralBits)
-  | RecordValue(List<NamedField>)
-  | VariantValue { tag: DeclarationId, payload: Value }
-  | NodeRef(NodeId)
-  | CardinalityValue(LoopBound)
-
-// 🟡 SCAFFOLD at PR-B.2 observation-carrier scope. Comparable program
-// observations are producer-neutral: Rust emit+build+run and eager DAG eval
-// both target this same envelope, and neither lineage owns the carrier. The
-// generic `Carrier` is the typed observation domain; value-output differential
-// claims use `ProgramObservation<Value>`, while later lineages may introduce
-// other typed carriers without adding parallel observation records. This shape
-// intentionally carries only the observed value, not stdout/stderr strings,
-// exit status, target language, or evaluator strategy. Those are producer
-// evidence and diagnostics, not the comparable observation itself.
-// Dissolution trigger: PR-B.2 W1/W3 lands the first declared
-// `ProgramObservation<Value>` consumer/producer path for `DifferentialEquals`;
-// then this carrier graduates to terminal observation-envelope authority.
-type ProgramObservation<Carrier> {
-  observed: Carrier
-}
-
-// 🟢 TERMINAL at PR-A.2 evaluator-state scope. Per
-// docs/briefs/r2-pr-a-runtime-value-model.md §Substrate Targets and
-// docs/design-pb-runtime-interpreter.md §3.3, closed-over environments are
-// evaluator-internal state, not observable `Value` inhabitants. `EvalFrame`
-// is one binding scope: a finite partial function from `PortId` to runtime
-// `Value`. `Map<PortId, Value>` (= `PartialFunction<PortId, Value>` per
-// `dsl/std/types.dag:213`) makes duplicate binding for one `PortId`
-// unrepresentable at the carrier boundary; this is the locked shape and
-// must not be replaced with a duplicate-admitting `List<EvalBinding>`.
-type EvalFrame {
-  bindings: Map<PortId, Value>
-}
-
-// 🟢 TERMINAL at PR-A.2 evaluator-state scope. Stack of `EvalFrame`s for
-// nested calls, branch path bindings, and bounded loop iterations, locked
-// to `List<EvalFrame>` by `docs/briefs/r2-pr-a-runtime-value-model.md`
-// §Substrate Targets and the merged audit
-// `docs/briefs/r2-pr-a-2-eval-frame-dependency-audit.md`. Frame push/pop
-// is evaluator-internal; the stack is not observable as a `Value`. PR-A.3
-// consumes this stack structurally through `EvalStateKey` / `EvalMemoKey`;
-// PR-A.2 must not silently amend the locked carrier shape.
-type EvalStateStack {
-  frames: List<EvalFrame>
-}
-
-// 🟢 TERMINAL at PR-A.3 memo-key scope. Memoization identity is structural:
-// the reachable evaluator state is the `EvalStateStack`, not a string digest,
-// declaration name, frame count, or other name-only fingerprint. A future
-// digest carrier may replace this only when its construction and equality are
-// declared as the single authority over reachable-state identity.
-type EvalStateKey {
-  state: EvalStateStack
-}
-
-// 🟢 TERMINAL at PR-A.3 / TC2 input-order scope. The evaluator's executable
-// strategy remains applicative/eager evaluation; TC2 adds the second executable
-// input order under that same eager skeleton. `RightFirst` is not normal-order:
-// it changes n-ary Transform input evaluation scheduling while preserving the
-// positional operand list consumed by the transform target.
-type EvalStrategy = ApplicativeOrder { input_order: InputEvaluationOrder }
-
-// 🟢 TERMINAL at PR-A.3 / TC2 input-order scope. These two closed inhabitants
-// are both consumed by the evaluator and therefore can key TC2 strategy-paired
-// report producers without using string labels.
-type InputEvaluationOrder = LeftFirst | RightFirst
-
-// 🟢 TERMINAL at PR-A.3 memo-key scope. This declares the key shape for any
-// later evaluator memo table without implementing caching behavior. `state_key`
-// is structural evaluator state and `strategy` is the closed strategy carrier;
-// neither may be replaced by strings, names, or host-only labels.
-type EvalMemoKey {
-  program: DeclarationId
-  node: NodeId
-  state_key: EvalStateKey
-  strategy: EvalStrategy
-}
-
-// 🟡 SCAFFOLD at PB-Runtime Item-4 structural-landing scope. The canonical
-// PB-Runtime entry-point signature locked by
-// `docs/design-pb-runtime-interpreter.md` §3.2 lines 80-103. Per PB Manager
-// + Director disposition (PB Mgr #2074 c#4410581189 + c#4410646513 +
-// c#4410712804; Director #828 c#4410708480), sub-gates 1+2
-// (`lens_apply_dot_rs_retired`, `lens_testgen_dot_rs_retired`) close on the
-// **signature** landing structurally; the per-`Behavior` evaluation rules
-// are authority of the design doc (referenced verbatim below) and are NOT
-// authored as DSL fn body in this slice.
-//
-// **Body shape — (θ) extern-form `host` binding** (Director-ratified
-// 2026-05-09 at #828 c#4410708480 after a five-STOP-AND-PING disposition
-// chain). The body is `{ host evaluate }`, mirroring the `host <name>`
-// pattern used across substrate accessors (`src/v3/std/substrate.dag:498-577`
-// — `port`, `node`, `declaration_by_name`, `lane2_workflow_at`, etc.). This
-// preserves all three locked constraints simultaneously: design-doc §3.2
-// `-> Value` signature lock; INVARIANTS P3 fail-closed (no fabricated
-// plausible value — host bodies lower as `ArrowBody::Unparsed` per
-// `substrate.dag:498-503`, with target binding deferred to emission time
-// via `SubstrateAccessorBinding`; absent binding fails closed at emission);
-// anti-bridge invariant #6 (no `Value` coproduct extension). The
-// corresponding `SubstrateAccessorBinding` lands with R2-Evaluator's PR-A
-// through PR-E (Rust `evaluate(Dag, NodeId, List<Value>) -> Value` impl)
-// per design-doc §5.3 (Evaluator Mgr lane authority); until then, any
-// consumer of this surface fails closed at emission, not at evaluate-time
-// with a fabricated success.
-//
-// Co-located with the `Value` / `EvalFrame` / `EvalStateStack` carriers
-// above per refined-(I) disposition (#2074 c#4410646513): single-authority
-// for the `v3.std.runtime` module. The original Q1 path
-// `dsl/std/runtime/runtime.dag` was advisory and unreachable by the
-// bootstrap loader at HEAD (`src/v3/compiler/build.rs:389` collects
-// `src/v3/std/*.dag` non-recursively; `dsl_std_dir` is `rerun-if-changed`
-// only). PB Mgr is updating Q1 wording post-merge.
-//
-// Per-`Behavior` evaluation rules (design-doc §3.2 lines 96-103, verbatim
-// reference, NOT DSL-authored in this slice):
-//
-//   - `Behavior::Value(v)` → emit `LiteralValue(v.payload)`.
-//   - `Behavior::Transform(t)` → recursive evaluate `t.inputs`; apply
-//     `t.target` to result. Per `t.target` variant:
-//       - `Callable(decl_id)` → resolve `decl_id`'s declared Arrow type;
-//         on `ArrowBody::UserDefined(body_node_id)`, bind `t.inputs` to the
-//         function's declared parameters in a fresh evaluation frame
-//         (§3.3); evaluate `body_node_id` in that frame; the frame pops
-//         when the call returns. Other `ArrowBody` variants are
-//         non-evaluable (`ExternalRealization` dispatches to host;
-//         `Pending` / `NoBody` / `Unparsed` are evaluation-time errors).
-//       - `ResolvedFieldProject { field_label }` → project
-//         `field_label` from the (single-input) record value.
-//       - `Operator(op_kind)` → apply the primitive operator to inputs.
-//   - `Behavior::Branch(b)` → evaluate `b.input`; pattern-match against
-//     `b.paths`; recursive evaluate the selected `path.body` with
-//     `path.binding` bound in a fresh frame.
-//   - `Behavior::Loop(l)` → fold over `l.bound` (cardinality bounded
-//     iteration or descent-bounded recursion per the `LoopBound`
-//     coproduct); evaluate `l.body` per iteration with accumulator bound
-//     to `l.init`'s value initially, threaded through subsequent
-//     iterations.
-//   - `Behavior::Bind(b)` → register `b.name` as resolvable; the value
-//     reachable through `b.result_port` becomes the bound value. Does NOT
-//     execute a body — the body that uses the bound name lives at
-//     downstream Transform/Bind nodes.
-//
-// Scope discipline (per #2227 + #2074 c#4410581189):
-//   - The fixture-local `pb_runtime_evaluate` at
-//     `src/v3/compiler/tests/fixtures/r3_pb_runtime_evaluator_corpus_seeds.dag`
-//     and the load-bearing Row-4 ratchet at
-//     `src/v3/compiler/tests/integration/r3_pb_runtime_evaluator_corpus_seed_test.rs:77`
-//     STAY untouched: real-producer wiring is a separate downstream
-//     coordination slice post-R2-Evaluator Rust `evaluate` per design-doc
-//     §5.3 (Evaluator Mgr lane authority).
-//
-// Dissolution trigger: the host-bound `evaluate` binding lands when the
-// downstream coordination slice authors the corresponding
-// `SubstrateAccessorBinding` for the per-target `evaluate` realization
-// (R2-Evaluator's Rust `evaluate(Dag, NodeId, List<Value>) -> Value`
-// impl per design-doc §5.3). At that point this declaration's body
-// graduates from "fail-closed-at-emission with no binding" to
-// "host-resolved through the binding registry." The Row-4 ratchet
-// retires per design-doc §5.1 sub-gate 3 (`regen_lens_dot_rs_retired`,
-// gated on Items 4+5).
-fn evaluate(program: Dag, entry: NodeId, args: List<Value>) -> Value {
-  host evaluate
-}
diff --git a/src/v3/std/rust_method_template_contracts.dag b/src/v3/std/rust_method_template_contracts.dag
deleted file mode 100644
index cfe5fadf4d4..00000000000
--- a/src/v3/std/rust_method_template_contracts.dag
+++ /dev/null
@@ -1,195 +0,0 @@
-// v3.std.rust_method_template_contracts -- per-method render-template
-// rows for the Rust target, populating the `MethodTemplateContract`
-// substrate carrier in `src/v3/std/emit_model.dag`.
-//
-// SCOPE (T-Ground-LanguageSpec scope E.1, Phase 1): row population
-// only. **Authority classification:** this file is the v3-side
-// single-authority for future emission. v2's emit pipeline still
-// consumes the legacy `rust_simple_method_specs` /
-// `rust_method_templates()` / `rust_method_wraps_result()` chain in
-// `dsl/extdeps/languages/rust/emit.dag` because v2 has no
-// bootstrap-Dag consumer infrastructure to read these rows. Full
-// retirement of those legacy authorities is **deferred to
-// Pure-Bootstrap-Zero / v2 retirement scope** (manager dispatch
-// #1133 inbox 4344956791). The row-list here is net-additive until
-// then. (Phase 2 retired the dead `MethodTranslation` declarations
-// in `runtime.dag` — zero v2 consumers — but emit-side authorities
-// continue serving v2.)
-//
-// HOME (post-#1187 audit lesson): this file lives under `src/v3/std/`
-// because v2's `collect_dag_sources` walks `dsl/` recursively (see
-// historical pipeline integration tests) — placing this file in
-// `dsl/extdeps/languages/...` would re-trigger the cross-tree-import
-// regression. The bootstrap-fixture authority
-// (`src/v3/std/extdeps_bootstrap_fixtures.dag`) plus
-// `BOOTSTRAP_FIXTURE_PATH_KEYS` (`src/v3/compiler/src/bootstrap.rs`)
-// resolve mixed-tree fixtures across `STAGED_FILES` and `EXTDEPS_FILES`.
-//
-// PLACEHOLDER CONVENTION: every row uses `NamedArg`. Where the legacy
-// `MethodTranslation` template used `{arg0}`, the row's
-// `runtime_template` rewrites to `{arg}` per the canonical convention
-// (rows with one argument; no positional ambiguity).
-//
-// PHASE 1.5 HIGHER-ORDER ROWS:
-//   - `all` / `any` / `filter` / `flat_map` now use
-//     `MethodEmitTemplate.HigherOrderTemplates`, preserving the legacy
-//     `rust_higher_order_methods` inline/fn-ref template split. The
-//     legacy `wraps_in_sharing` bit is represented by the existing
-//     row-level `wraps_result` field so wrapping remains a single
-//     authority. This file is the v3-side row authority; the legacy table
-//     remains for v2 until Grounding retires it.
-//
-// DRIFT RECEIPTS (resolved in this row set; old authorities retain
-// their pre-consolidation shapes until Phase 2):
-//   - `count`: runtime `"{recv}.len()"` differs from emit
-//     `"({recv}.len() as i64)"`; both kept distinct in the row's
-//     `runtime_template` / `emit_template`. Emit wraps to `i64` because
-//     algebra `count` returns `Int`, while Rust `len()` returns `usize`.
-//   - `{arg0}` → `{arg}`: rewritten in `join`, `split` runtime
-//     templates to match the row's `placeholder_convention: NamedArg`.
-//   - Methods present only in `rust_simple_method_specs` (skip, take)
-//     and not in `collection_method_translations` use the emit template
-//     for both row sides — v2's actual behavior is "rust_method_templates
-//     for both consumption sites" since `MethodTranslation` doesn't
-//     declare them.
-
-module v3.std.rust_method_template_contracts
-
-import v3.std.emit_model {
-  MethodTemplateContract,
-  PlaceholderConvention,
-  NamedArg,
-  SingleTemplate,
-  HigherOrderTemplates
-}
-import v3.std.methods { MethodRef }
-import std.methods {
-  all_method,
-  any_method,
-  count_method,
-  filter_method,
-  flat_map_method,
-  join_method,
-  split_method,
-  last_method,
-  first_method,
-  enumerate_method,
-  chars_method,
-  skip_method,
-  take_method
-}
-
-data rust_filter_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: filter_method },
-  runtime_template: "{ let __filter_source = {iter}; let mut __result = Vec::new(); for {param} in __filter_source.iter() { if {body} { __result.push((*{param}).clone()); } } __result }",
-  emit_template: HigherOrderTemplates {
-    inline_template: "{ let __filter_source = {iter}; let mut __result = Vec::new(); for {param} in __filter_source.iter() { if {body} { __result.push((*{param}).clone()); } } __result }",
-    fn_ref_template: "{iter}.filter({arg}).collect::<Vec<_>>()"
-  },
-  wraps_result: true,
-  placeholder_convention: NamedArg
-}
-
-data rust_any_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: any_method },
-  runtime_template: "{ let mut __found = false; for {param} in {iter} { if {body} { __found = true; break; } } __found }",
-  emit_template: HigherOrderTemplates {
-    inline_template: "{ let mut __found = false; for {param} in {iter} { if {body} { __found = true; break; } } __found }",
-    fn_ref_template: "{iter}.any({arg})"
-  },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data rust_all_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: all_method },
-  runtime_template: "{ let mut __all = true; for {param} in {iter} { if !({body}) { __all = false; break; } } __all }",
-  emit_template: HigherOrderTemplates {
-    inline_template: "{ let mut __all = true; for {param} in {iter} { if !({body}) { __all = false; break; } } __all }",
-    fn_ref_template: "{iter}.all({arg})"
-  },
-  wraps_result: false,
-  placeholder_convention: NamedArg
-}
-
-data rust_flat_map_method_template_contract: MethodTemplateContract = {
-  dag_method: { decl: flat_map_method },
-  runtime_template: "{ let mut __result = Vec::new(); for {param} in {iter} { __result.extend({inner_iter}); } __result }",
-  emit_template: HigherOrderTemplates {
-    inline_template: "{ let mut __result = Vec::new(); for {param} in {iter} { __result.extend({inner_iter}); } __result }",
-    fn_ref_template: "{iter}.flat_map({arg}).collect::<Vec<_>>()"
-  },
-  wraps_result: true,
-  placeholder_convention: NamedArg
-}
-
-
-data rust_method_template_contracts: List<MethodTemplateContract> = [
-  {
-    dag_method: { decl: count_method },
-    runtime_template: "{recv}.len()",
-    emit_template: SingleTemplate { template: "({recv}.len() as i64)" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: join_method },
-    runtime_template: "{recv}.join(&{arg})",
-    emit_template: SingleTemplate { template: "{recv}.join(&{arg})" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: split_method },
-    runtime_template: "{recv}.split(&{arg}).map(|s| s.to_string()).collect::<Vec<_>>()",
-    emit_template: SingleTemplate { template: "{recv}.split(&{arg}).map(|s| s.to_string()).collect::<Vec<_>>()" },
-    wraps_result: true,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: last_method },
-    runtime_template: "{recv}.last().cloned()",
-    emit_template: SingleTemplate { template: "{recv}.last().cloned()" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: first_method },
-    runtime_template: "{recv}.first().cloned()",
-    emit_template: SingleTemplate { template: "{recv}.first().cloned()" },
-    wraps_result: false,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: enumerate_method },
-    runtime_template: "{recv}.iter().enumerate().map(|(i, v)| (i, v.clone())).collect::<Vec<_>>()",
-    emit_template: SingleTemplate { template: "{recv}.iter().cloned().enumerate().map(|(i, v)| (i as i64, v)).collect::<Vec<_>>()" },
-    wraps_result: true,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: chars_method },
-    runtime_template: "{recv}.chars().map(|c| c as i64).collect::<Vec<_>>()",
-    emit_template: SingleTemplate { template: "{recv}.chars().map(|c| c as i64).collect::<Vec<_>>()" },
-    wraps_result: true,
-    placeholder_convention: NamedArg
-  },
-  rust_filter_method_template_contract,
-  rust_any_method_template_contract,
-  rust_all_method_template_contract,
-  rust_flat_map_method_template_contract,
-  {
-    dag_method: { decl: skip_method },
-    runtime_template: "{recv}.iter().cloned().skip({arg} as usize).collect::<Vec<_>>()",
-    emit_template: SingleTemplate { template: "{recv}.iter().cloned().skip({arg} as usize).collect::<Vec<_>>()" },
-    wraps_result: true,
-    placeholder_convention: NamedArg
-  },
-  {
-    dag_method: { decl: take_method },
-    runtime_template: "{recv}.iter().cloned().take({arg} as usize).collect::<Vec<_>>()",
-    emit_template: SingleTemplate { template: "{recv}.iter().cloned().take({arg} as usize).collect::<Vec<_>>()" },
-    wraps_result: true,
-    placeholder_convention: NamedArg
-  }
-]
diff --git a/src/v3/std/services.dag b/src/v3/std/services.dag
deleted file mode 100644
index 844187f829c..00000000000
--- a/src/v3/std/services.dag
+++ /dev/null
@@ -1,109 +0,0 @@
-module v3.std.services
-
-import std.types { HttpMethod }
-import std.effects { PathTemplate }
-import v3.spec.v3_l1 { DeclarationRef }
-
-// PR-α — service / operation / REST-endpoint substrate carrier types.
-//
-// Type-authority pass only. No `data` rows here; `bootstrap_fixture_authority`
-// (`src/v3/std/extdeps_bootstrap_fixtures.dag`) is unchanged in this PR.
-// Sibling fixture rows of shape `data <provider>_operations: List<Operation>`
-// (anthropic / openai / github) are PR-β..ω scope, owned by R2 Grounding Manager
-// (T-Ground-Services analog of T-Ground-LanguageSpec — see #1195 for the
-// `MethodTemplateContract` precedent these carriers mirror in shape and cadence).
-//
-// **Path-structure authority is upstream.** This file does NOT define
-// path-template structure; it imports `PathTemplate` from `std.effects`
-// (`src/v3/std/effects.dag:142`), which carries the
-// `UrlPathToken = LiteralToken{text} | ParamToken{name}` flat-token shape
-// staged from `dsl/std/http_path.dag` (RFC 6570 Level 1 substitution). That
-// flat-token shape is the only single-authority shape capable of representing
-// mixed parameter/literal segments such as `{secret_name}:addVersion` (Google
-// Cloud convention) without lossy whole-segment coproduct collapse.
-// Re-declaring path structure here would create a parallel authority and
-// the fidelity gap the `std.http_path` authors specifically avoid.
-//
-// **Input-field-name uniqueness is by construction.** `Operation.inputs` is
-// `Map<String, InputField>` rather than `List<InputField>` so duplicate
-// input names are unrepresentable: `Map`'s key invariant carries the
-// scope-identity authority. `ParamToken.name` from a path-template token
-// resolves into this map's key set; the fail-closed boundary check that
-// every `ParamToken.name` is a present key lands at fixture load alongside
-// the first `data <provider>_operations` row (PR-β). No separate
-// `InputFieldRef` carrier is introduced here, since `ParamToken.name`
-// already carries the same shape and adding a wrapper would duplicate
-// without strengthening the structural invariant.
-//
-// Lands without a producerless-carrier complaint by the same argument that
-// applied to `MethodTemplateContract` in `emit_model.dag` ahead of Phase 1:
-// type declarations are substrate authority; fixture rows are downstream
-// population. The dissolution-tracked carrier discipline runs on the
-// fixture side, not on the type side.
-//
-// Downstream consumers (after PR-β..ω land):
-//   - `analyze_workflow` / `analyze_parallelism`
-//     (`src/v3/compiler/src/dag/effects.rs`, `lenses/parallelism.dag`) consume
-//     `Operation` rows as the shared per-operation carrier.
-
-// 🟢 TERMINAL at PR-α scope. Per-input-field metadata slot. Empty in PR-α
-// because operation path-segment binding is keyed by name only and
-// does not consume per-field type data today. Reserved as a record so
-// PR-β can grow a `ty: …` field (or similar) without changing
-// `Operation.inputs`'s map shape. The canonical name is held by the
-// enclosing `Map<String, InputField>` key, not duplicated here, which
-// keeps single-authority for the input-field name (no `name: String`
-// field that could disagree with the map key).
-type InputField {}
-
-// 🟢 TERMINAL at PR-α scope. Carries the HTTP verb and path template for a
-// callable's REST realization. `path` reuses the upstream `PathTemplate`
-// authority from `std.effects` so mixed parameter/literal segments
-// (`{secret_name}:addVersion`) are representable without loss.
-//
-// Body-shape (which input fields compose into the request body) is not
-// modeled here in PR-α. If a future shape needs it, extend with a `body_inputs: …`
-// field whose entries are validated against `Operation.inputs` keys at
-// fixture load (same boundary discipline as `ParamToken.name`).
-// Omission preserves the minimal-PR-α scope.
-type RestEndpointBinding {
-  method: HttpMethod
-  path:   PathTemplate
-}
-
-// 🟡 TRANSITIONAL at PR-α scope. Typed wrapper around `DeclarationRef`
-// whose target is intended to be a callable arrow declaration in
-// `dsl/extdeps/{llm,github}/*.dag`. Mirrors `MethodRef`
-// (`src/v3/std/methods.dag:31`) — same wrapper discipline, same #1175
-// substrate-gap classification: the inner `decl` still admits any
-// declaration at the type level (refinement-typing-on-`DeclarationRef`
-// has not landed), with the callable-target check enforced fail-closed
-// at fixture load by PR-β. The named wrapper makes the callable-target
-// intent structural at the field-type level, instead of leaving it as
-// an inline comment on a bare `DeclarationRef`. Dissolution trigger:
-// the same #1175 substrate-level refinement-typing landing that retires
-// `MethodRef` retires this wrapper.
-type CallableRef {
-  decl: DeclarationRef
-}
-
-// 🟢 TERMINAL at PR-α scope. Operation row keyed by typed callable
-// identity (`callable: CallableRef`) plus its REST realization +
-// uniquely-keyed input-field map (the latter scoping `ParamToken.name`
-// resolution by-construction).
-//
-// `callable` is the canonical operation-to-callable edge: the callable
-// declaration in `dsl/extdeps/{llm,github}/*.dag` whose REST realization
-// PR-β..ω fixture rows mirror. Display / lens-side operation names are
-// derived from `callable.decl` via `DeclarationRef` resolution, not
-// carried as a parallel `name: String` field that could drift from the
-// callable it claims to describe. The `CallableRef` wrapper makes the
-// callable-target intent visible at the type level (the field type is
-// `CallableRef`, not bare `DeclarationRef`); fail-closed callable-target
-// resolution lands at fixture load with PR-β.
-//
-type Operation {
-  callable: CallableRef
-  inputs:   Map<String, InputField>
-  endpoint: RestEndpointBinding
-}
diff --git a/src/v3/std/substrate.dag b/src/v3/std/substrate.dag
deleted file mode 100644
index 9643a591858..00000000000
--- a/src/v3/std/substrate.dag
+++ /dev/null
@@ -1,699 +0,0 @@
-module v3.std.substrate
-
-import v3.spec.v3_l1 { DeclarationRef }
-import v3.std.substrate_minimal {
-  NodeId, PortId, DeclarationId, ClusterId, NonEmptyList, NonSingletonList
-}
-import std.effects { WorkflowEffect }
-import v3.std.lookup { Lookup }
-import std.nat { Nat }
-
-type TypeShape {
-  declaration: DeclarationId
-}
-
-// R3 gate #31 — byte extent within the current compilation unit without
-// carrying `SourceSpan.file` on lens-produced surfaces (typed identity
-// discipline; see `bridge_source_span_file_participation_retired`).
-type SourceByteSpan {
-  byte_start: Int
-  byte_end: Int
-}
-
-// 🟢 TERMINAL at reflected-substrate scope. Three-way port inference
-// state is a durable compiler fact consumed directly by reflection.
-type PortState
-  = Uninferred
-  | Resolved(TypeShape)
-  | Unresolved
-
-type DagPort {
-  id: PortId
-  state: PortState
-  produced_by: NodeId?
-}
-
-// Leaf structural types.
-// 🟢 TERMINAL. Literal carrier split matches dag.rs's runtime enum
-// one-for-one and is expected to persist as the leaf literal surface.
-//
-// `LitInt` payload is a signed decimal magnitude string (optional leading `-`;
-// no `+` prefix), same decimal authority as `IntegerPrimitive` range facts.
-// R3 gate `int_lit_full_magnitude_consumer`: accepts full host narrowing range
-// (unsigned through `u128::MAX`; signed unary `-` through `i128::MIN`).
-type LiteralBits
-  = LitInt(String)
-  | LitBool(Bool)
-  | LitString(String)
-  // Opaque symbol literal: spelling from `^IDENT` surface syntax (no name resolution).
-  | LitSymbol(String)
-
-// Dissolution ledger — AtomPayload (substrate authority; was dag.rs hand-Rust).
-//
-// 🟢 TERMINAL at M1(2.6). Five variants covering the user-input kinds at the
-// type-atom level:
-//
-//   - Literal(LiteralBits) — a literal bit pattern carried at the type level
-//     (e.g. the `3` in Cardinality::Exact(3)).
-//   - UnresolvedIdentifier(String) — a name reference not yet resolved against
-//     the declaration table. Produced during lowering; eliminated at
-//     resolve_pending_identifiers time.
-//   - ResolvedByStructure(DeclarationId) — resolved by structural walk.
-//   - ResolvedByName(DeclarationId) — resolved by name-keyed fallback.
-//   - TypeParam(String) — a type parameter declaration slot, shared across
-//     references inside a parameterized declaration.
-//
-// 4-pattern check:
-// - Pattern 1 (fact placement): fails. Each variant has distinct downstream
-//   consumers (literal constant folding, identifier resolution via
-//   declaration_by_name, SubstStack lookup) — `declaration_by_name` now
-//   landed as `host` accessor below; `SubstStack lookup` still pending.
-// - Pattern 2 (variant-is-data): fails. Different payload types per variant.
-// - Pattern 3 (algebraic form): fails. Each variant is a terminal fact from a
-//   distinct user-input boundary.
-// - Pattern 4 (dimensional): fails.
-//
-// Pre/post-sweep phase is structural. Before M1(2.6) review round 7 the shape
-// was Identifier { name: String, resolved: Option<DeclarationId> }, which hid a
-// phase coproduct inside the Option. The split into UnresolvedIdentifier,
-// ResolvedByStructure, and ResolvedByName makes that distinction visible to the
-// type system: unresolved stubs, structural references, and name-fallback
-// references are separate variants rather than hidden behind Some/None.
-//
-// Verdict: terminal. Future extensions (Span-backed metadata atoms for
-// diagnostic-only uses, Char / Float literals) go through §8.10's
-// substrate-extension audit.
-//
-// 🟢 TERMINAL at current substrate scope. This is the durable atom
-// connective surface the lowered declaration graph carries.
-type AtomPayload
-  = Literal(LiteralBits)
-  | UnresolvedIdentifier(String)
-  | ResolvedByStructure(DeclarationId)
-  | ResolvedByName(DeclarationId)
-  | TypeParam(String)
-
-// 🟢 TERMINAL. PR-PreF shared bound parent. CardinalityBound, SizeBound,
-// and the cardinality arm of LoopBound all describe bounded intervals over
-// different domains; this parent is the substrate target named by
-// INVARIANTS.md#p1-modeling-faithfulness. Existing carriers retrofit as instances instead of
-// growing new sibling bound declarations.
-//
-// `BoundedInterval` stores a lower endpoint plus a nonnegative width, never
-// two independent endpoints. This makes inverted intervals unrepresentable:
-// an upper endpoint is derived by applying the width in the interval domain.
-type PositiveIntervalWidth
-  = OneUnit
-  | AdditionalUnit { previous: PositiveIntervalWidth }
-  // 🟡 SCAFFOLD (substrate authoring sugar — explicit bridge, not a second width axiom).
-  //
-  // **Canonical semantic witness:** `OneUnit` / `AdditionalUnit` — inductive proof-carrying
-  // encoding for positive interval width already consumed by structural passes.
-  //
-  // **`UnitCount` role:** decimal/spec authoring shorthand denoting the **same** discrete span as a
-  // unary `AdditionalUnit` chain of length `units` atop `OneUnit` over `Int` (inclusive span above
-  // `lower` in `BoundedInterval<Int>`). Large fixed-width rows (Coercion-Fold examples) use this so
-  // specs stay compact; Peano spines remain valid everywhere small unary witnesses are preferred.
-  //
-  // **Same-PR structural consumers (fail-closed):** `integer_range_for_decl` /
-  // `lower_scalar_literal_for_type` reject negative decimals for `Nat`; `enforce_non_negative_unit_count_payload`
-  // witnesses nonnegative payloads when lowering bypasses those gates.
-  //
-  // **Dissolution trigger:** add a substrate normalizer or shared query that expands every
-  // `UnitCount { units: N }` **value** to an equivalent Peano spine **before** consumers that require
-  // an explicit unary witness for induction-shaped reasoning — until then, treat both variants as
-  // denotationally equivalent via this bridge (single interval-width fact; no competing lattices).
-  //
-  // **INVARIANTS.md P5** (Progress Is Dissolution): parallel surface shapes land only under tracked
-  // scaffold + named exit; Peano remains the durable unary carrier where proof structure matters.
-  | UnitCount { units: Nat }
-
-type IntervalWidth
-  = ZeroWidth
-  | PositiveWidth(PositiveIntervalWidth)
-
-// 🟢 TERMINAL. `Interval` is the durable shared bound parent. The bounded
-// variant is lower + nonnegative width; `Unbounded` is the target-side
-// universal bound case. No dissolution trigger: later carriers attach as
-// instances/projections of this parent rather than replacing it.
-type Interval<D>
-  = BoundedInterval { lower: D, width: IntervalWidth }
-  | Unbounded
-
-// Alias so LanguageSpec-side carriers (`emit_model`) can name fixed `Int`
-// intervals without instantiating `Interval<Int>` at every import site.
-type IntInterval = Interval<Int>
-
-// 🟢 TERMINAL at Coercion-Fold bound-declaration scope. Static value-domain
-// bounds are represented by the shared Interval<Int> parent; platform-dependent
-// bounds are a distinct kind because their interval is resolved only after the
-// target platform is known. No parser/lowerer or per-target population lands in
-// this substrate carrier slice.
-type BoundDeclaration
-  = StaticBound(Interval<Int>)
-  | PlatformDependent
-
-// 🟢 TERMINAL. Cardinality bounds are structural substrate facts and
-// not a temporary bridge to another representation. PR-PreF projects this
-// carrier through Interval<Int> for consumers that need the shared parent.
-type CardinalityBound
-  = Exact(Int)
-  | AtMostOne
-  | Unbounded
-
-type ConjField {
-  label: String
-  ty: DeclarationId
-}
-
-type TemplateArgument {
-  parameter: DeclarationId
-  value: DeclarationId
-}
-
-type FieldEntry {
-  label: String
-  value: FieldValue
-}
-
-// 🟡 SCAFFOLD until reflected structural values dissolve into ordinary
-// declaration-shaped values. Mirrors the live runtime carrier exactly,
-// but remains a bootstrap bridge for nested structural data bodies.
-type FieldValue
-  = Literal(LiteralBits)
-  | Reference(DeclarationId)
-  | Record(List<FieldEntry>)
-  | List(List<FieldValue>)
-  | Map(List<FieldEntry>)
-  | Variant {
-      constructor: DeclarationId
-      payload: List<FieldValue>
-    }
-
-// 🟡 SCAFFOLD paired with `FieldValue`. `ValueBody` is the bootstrap
-// data-body carrier until all source data bodies lower through ordinary
-// declaration-shaped value DAGs. Named dissolution trigger: M2+ parser
-// extensions plus value-sub-DAG lowering close the class-5 data-body gap,
-// allowing `Unparsed` and the top-level structural body carriers below to
-// dissolve into regular declarations/behaviors.
-//
-// Coproduct receipt:
-// - `ValueBodyUnparsed(SourceSpan)` — 🟡 scaffold for source bodies not yet
-//   structurally lowered; trigger is parser/lowering coverage for the
-//   remaining opaque data-body forms.
-// - `ValueBodyStructural { fields }` — 🟡 scaffold for top-level record
-//   bodies; kept distinct from list/map/scalar so records are not encoded as
-//   anonymous positional or keyed containers.
-// - `ValueBodyScalar(LiteralBits)` — 🟡 scaffold for scalar-valued data
-//   declarations (`data answer: Int = 42`); `LiteralBits` is intentionally
-//   narrower than `FieldValue` so top-level records/references/variants do
-//   not become overlapping scalar states.
-// - `ValueBodyList(List<FieldValue>)` — 🟡 scaffold for top-level list data
-//   bodies; preserves authored order and reuses `FieldValue` for nested
-//   structural elements until value-sub-DAG lowering owns lists directly.
-// - `ValueBodyMap(List<FieldEntry>)` — 🟡 scaffold for top-level
-//   string-keyed map data bodies. Rust wraps this payload in `FieldMap`
-//   post-codegen to preserve duplicate-key rejection while substrate remains
-//   the minimal carrier authority.
-type ValueBody
-  = ValueBodyUnparsed(SourceSpan)
-  | ValueBodyStructural { fields: List<FieldEntry> }
-  | ValueBodyScalar(LiteralBits)
-  | ValueBodyList(List<FieldValue>)
-  | ValueBodyMap(List<FieldEntry>)
-
-// Type substrate.
-// Typed witness that a NodeId identifies a BindNode. `ArrowBody::UserDefined`
-// carries this witness instead of a raw NodeId so the bind-body invariant lives
-// in the substrate authority as well as the Rust mirror.
-//
-// Constructor-validation asymmetry (tracked Track 9 debt): validity is
-// enforced today by `BindNodeId::from_bind_node(dag, id)`, which fails closed
-// unless `id` resolves to `Behavior::Bind`. The reflected substrate exposes the
-// witness field shape only; direct `.dag` construction can still write the
-// record. When .dag-side construction matures in the Lane 3c self-hosting
-// cycle, add the equivalent substrate-level constructor authority so direct
-// producers cannot forge invalid bind handles. Same ROADMAP authority as
-// ParamRef / TransformRef: ../../../ROADMAP.md — Track 9 ("Tracked debt —
-// substrate constructor-validation asymmetry").
-type BindNodeId {
-  node: NodeId
-}
-
-// 🟡 MIXED. `ArrowBody` carries the durable user/external/no-body
-// edges plus the temporary `Pending` / `Unparsed` bootstrap states
-// still present in today's lowering pipeline. See the Rust-side
-// ledger in `src/v3/compiler/src/dag.rs` for variant rationale and
-// dissolution triggers.
-type ArrowBody
-  = UserDefined(BindNodeId)
-  | ExternalRealization(DeclarationId)
-  | Pending
-  | NoBody
-  | Unparsed(SourceSpan)
-
-// 🟢 TERMINAL at reflected-substrate scope. The connective partition is
-// the compiler's durable declaration-shape authority; temporary detail
-// lives inside the child carriers such as `ArrowBody`.
-type TypeConnective
-  = Atom(AtomPayload)
-  | Conj { children: List<ConjField> }
-  | Disj { variants: List<ConjField> }
-  | Arrow {
-      inputs: List<DeclarationId>
-      output: DeclarationId
-      body: ArrowBody
-    }
-  | Cardinality {
-      element: DeclarationId
-      bound: CardinalityBound
-    }
-  | Instantiation {
-      template: DeclarationId
-      arguments: List<TemplateArgument>
-    }
-
-type Declaration {
-  id: DeclarationId
-  name: String?
-  connective: TypeConnective
-  type_params: List<DeclarationId>
-  phantom_params: List<PhantomParameter>
-  meta_tag: DeclarationId?
-  inhabits: DeclarationId?
-  value_body: ValueBody?
-  nominal_opacity: NominalOpacity?
-  span: SourceSpan
-}
-
-// Phantom parameters are compile-time-only parameters on a value wrapper.
-// The first landed consumer is `Dimension<Unit>`/Money-style arithmetic:
-// values under the same phantom compose under abelian-group closure, while
-// distinct phantom values produce a unit-mismatch diagnostic before ordinary
-// structural type mismatch. `algebra` is a typed edge to the existing
-// algebra authority (`AbelianGroup` or an instantiation thereof), not a
-// parallel closed tag.
-type PhantomParameter {
-  parameter: DeclarationId
-  algebra: DeclarationId
-}
-
-// Nominal-opaque carrier (T-Substrate nominal-opaque-for-Secret
-// subset, carrier-only staging). `permitted_accessors` lists the
-// declarations intended as the only sealed-accessor descent path.
-// The fail-closed walker consumer + std `Secret` marking + opacity
-// carry-forward through specialization are the named follow-up
-// enforcement work; this carrier is staging surface only and must
-// either gain a real walker consumer or be removed before T-Modeling
-// Secret<T> graduation can dispatch.
-type NominalOpacity {
-  permitted_accessors: List<DeclarationId>
-}
-
-// 🟡 SCAFFOLD. Arithmetic operators inherit the operator-shim
-// dissolution trigger: surface-operator syntax still lowers through
-// `TransformTarget::Operator`, and the richer source remains the
-// algebra-field declaration in `dsl/std/algebra.dag`.
-type ArithmeticOp
-  = Add
-  | Sub
-  | Mul
-  | Div
-
-// 🟡 SCAFFOLD. Comparison operators inherit the same operator-shim
-// trigger as `ArithmeticOp`.
-type ComparisonOp
-  = Eq
-  | Ne
-  | Lt
-  | Le
-  | Gt
-  | Ge
-
-// 🟢 TERMINAL at T-Tier3 perf-budget substrate scope. Wall-clock
-// mirror-dissolution baseline facts are measured values, not symbolic
-// cost expressions: consumers compare live/captured measurements to a
-// declared baseline using the Tier-3 budget thresholds (median <= 2x,
-// p99 <= 5x). Durations are `Nat`, and `p99_delta_ns` encodes
-// `p99_ns - median_ns`, making negative durations and `p99 < median`
-// uninhabitable in the carrier shape.
-type PerfBaselineMeasurement {
-  median_ns: Nat
-  p99_delta_ns: Nat
-}
-
-// 🟡 SCAFFOLD. `&&` / `||` are structurally tracked for the current
-// surface grammar, but they stay on the operator-shim path until the
-// M2+ parser/desugarer lowers them to direct BooleanAlgebra
-// field/callable references.
-type LogicalOp
-  = And
-  | Or
-
-// 🟡 SCAFFOLD. `OperatorKind` is the current structural carrier for
-// the operator shim. Dissolves with `TransformTarget::Operator` once
-// surface operators lower directly to algebra-field declaration refs.
-type OperatorKind
-  = Arithmetic(ArithmeticOp)
-  | Comparison(ComparisonOp)
-  | Logical(LogicalOp)
-
-// Computation substrate.
-// 🟢 TERMINAL at the reflected-substrate level. Every transform target
-// variant corresponds to a live runtime carrier in dag.rs.
-type TransformTarget
-  = Callable(DeclarationId)
-  | UnresolvedFieldProject {
-      field_label: String
-    }
-  | ResolvedFieldProject {
-      field_label: String
-    }
-  | Operator(OperatorKind)
-
-// 🟢 TERMINAL. Match-path pattern identity is part of the durable
-// reflected branch substrate.
-type BranchPattern
-  = UnresolvedVariant { name: String, span: SourceSpan }
-  | ResolvedVariant(DeclarationId)
-
-type PayloadBinding {
-  binding_name: String
-  payload_port: PortId
-}
-
-type BranchPath {
-  body: NodeId
-  result_port: PortId
-  pattern: BranchPattern
-  binding: PayloadBinding?
-}
-
-// Constructor-validation asymmetry (tracked Track 9 debt): the
-// reflected substrate carries the witness fields, while validity is
-// enforced today by Rust-side constructors. `Dag::param_of(member,
-// slot)` fails closed for non-Bind members and out-of-arity slots.
-// When .dag-side construction matures in the Lane 3c self-hosting
-// cycle, add the equivalent substrate-level constructor authority so
-// direct .dag producers cannot forge invalid handles.
-// Full prose + graduation trigger: ../../../ROADMAP.md — Track 9
-// ("Tracked debt — substrate constructor-validation asymmetry").
-type ParamRef {
-  member: NodeId
-  slot: Int
-}
-
-// Constructor-validation asymmetry (tracked Track 9 debt): validity is
-// enforced today by `Dag::as_transform_ref(node)`, which fails closed
-// unless `node` carries `Behavior::Transform`. The reflected substrate
-// currently exposes the witness field shape only; .dag-side
-// construction must gain the same constructor authority in the Lane 3c
-// self-hosting cycle.
-// Same ROADMAP authority as ParamRef: ../../../ROADMAP.md — Track 9
-// ("Tracked debt — substrate constructor-validation asymmetry").
-type TransformRef {
-  node: NodeId
-}
-
-// Constructor-validation asymmetry (tracked Track 9 debt): `ElementRef`
-// is list-relative rather than graph-relative, so validity is enforced
-// today by consumer-specific Rust constructors (`ElementRef::from_slice`
-// and friends) that check the index against the carrier list in scope.
-// The handle does not retain owner identity after construction, so
-// read sites must still resolve it against the same authority list they
-// validated it against. Direct `.dag` construction currently exposes
-// only the witness field shape; self-hosted constructors should add the
-// same authority in the Lane 3c cycle.
-type ElementRef<element> {
-  index: Int
-}
-
-type MemberDescent {
-  param: ParamRef
-}
-
-type IntraClusterCall {
-  transform: TransformRef
-}
-
-type Cluster {
-  members: NonSingletonList<MemberDescent>
-  intra_cluster_calls: NonEmptyList<IntraClusterCall>
-}
-
-// 🟢 TERMINAL. `LoopBound` records the irreducible witness that makes a
-// reflected `LoopNode` honest: either an explicit runtime count port or
-// a proved mutual-recursion descent cluster plus the runtime measure
-// port whose size bounds that descent. Collapsing the variants would
-// either fabricate a count fact or erase the structural proof. The
-// shared `loop_bound_measure` accessor projects the cost/iteration
-// measure while keeping cluster topology on `Dag.clusters`. See
-// `docs/design-mutual-recursion-lowering.md` for the full dissolution
-// receipt and named trigger rationale.
-type LoopBound
-  = Cardinality { count: PortId }
-  | Descent { cluster: ClusterId, measure: PortId }
-
-fn loop_bound_measure(bound: LoopBound) -> PortId =
-  match bound {
-    Cardinality(payload) => payload.count
-    Descent(payload) => payload.measure
-  }
-
-type ValueNode {
-  id: NodeId
-  payload: LiteralBits
-  result_port: PortId
-  span: SourceSpan
-  lane2_workflow: WorkflowEffect?
-}
-
-type TransformNode {
-  id: NodeId
-  target: TransformTarget
-  inputs: List<PortId>
-  result_port: PortId
-  span: SourceSpan
-}
-
-// B4.3 — participate in match emission: lowering attaches this on user `match`
-// Branch nodes, not `if`/Bool. Authority at lower time, not `SourceSpan::file`.
-type BranchEmitParticipation
-  = UserMatch
-
-type BranchNode {
-  id: NodeId
-  input: PortId
-  paths: List<BranchPath>
-  result_port: PortId
-  span: SourceSpan
-  emit_participation: BranchEmitParticipation?
-}
-
-type LoopNode {
-  id: NodeId
-  source: PortId
-  init: PortId
-  body: NodeId
-  bound: LoopBound
-  result_port: PortId
-  span: SourceSpan
-}
-
-// B4.3 — participate in named-type-alias / shared `primitive_type_id_for_port_shared`
-// emission: lowering attaches on user `fn` and lambda Arrow bodies, not
-// `let`/`refinement` Binds. Authority at lower time, not `SourceSpan::file`.
-type BindEmitParticipation
-  = UserCallable
-
-type BindNode {
-  id: NodeId
-  name: String
-  result_port: PortId
-  params: List<PortId>
-  span: SourceSpan
-  lane2_workflow: WorkflowEffect?
-  emit_participation: BindEmitParticipation?
-}
-
-// 🟢 TERMINAL. Behavior is the core runtime computation coproduct.
-type Behavior
-  = Value(ValueNode)
-  | Transform(TransformNode)
-  | Branch(BranchNode)
-  | Loop(LoopNode)
-  | Bind(BindNode)
-
-type Dag {
-  declarations: List<Declaration>
-  nodes: List<Behavior>
-  ports: List<DagPort>
-  clusters: List<Cluster>
-}
-
-// ── Substrate keyed accessors (DB-14, INVARIANTS.md L-7) ────────────
-//
-// These three functions are the single authority for id-keyed lookup
-// over `Dag.ports` / `Dag.nodes`. Every lens consumes them; no lens
-// reconstructs its own `find_port` / `find_behavior`.
-//
-// Implementation: the fn bodies below are trivial `{ host <name> }`
-// stubs. Arrow bodies stay `Unparsed` through bootstrap — target
-// selection happens at emission time. Each emitter reads
-// `SubstrateAccessorBinding` records from the spec files, filters by
-// its own `language: LanguageSpec` id, and dispatches through a
-// per-target index. Diverges from `pipeline.dag`'s bootstrap-upgrade
-// pattern because substrate accessors have per-target realizations;
-// upgrading once at bootstrap silently drops target selection. See
-// docs/design-substrate-external-primitives.md § 5.
-
-// 🟡 SCAFFOLD per DB-14. Carries a per-target rendering template for
-// a substrate accessor. `carrier` is a template string with positional
-// `{p0}`, `{p1}`, … placeholders matching the accessor's input order;
-// the emitter substitutes per call-site. Dissolves when Lane 1e
-// collapses the three emitters into a single spec-driven walker —
-// the carrier field moves into the per-target spec, but the
-// emission-time index-lookup dispatch stays.
-type SubstrateAccessorRealization {
-  carrier: String
-}
-
-// 🟡 SCAFFOLD per DB-14. One record per (accessor × target language)
-// pair. `language` is the LanguageSpec declaration the realization is
-// defined against (`rust_language`, `go_language`, `python_language`);
-// each emitter filters for bindings where `language == <its own
-// language spec>`. Shape mirrors the `language: DeclarationRef` edge
-// used by every other shared realization (TypeRealization,
-// OperatorRealization, …) so adding a new target = one more data
-// record, zero compiler changes. Review round 1b.3 root cause: prior
-// shape `{ accessor, realization }` had no target selector, so
-// multiple target bindings would silently overwrite by iteration
-// order. Dissolves with the same Lane 1e trigger as
-// SubstrateAccessorRealization.
-type SubstrateAccessorBinding {
-  accessor: DeclarationRef
-  realization: DeclarationRef
-  language: DeclarationRef
-}
-
-fn port(d: Dag, id: PortId) -> DagPort? {
-  host port
-}
-
-fn node(d: Dag, id: NodeId) -> Behavior? {
-  host node
-}
-
-fn resolve_producer(d: Dag, port_id: PortId) -> Behavior? {
-  host resolve_producer
-}
-
-// Declaration-by-id accessor — id-keyed lookup parity with `port` / `node`.
-// `Declaration?` mirrors the permissive reflected-substrate shape; C-8
-// fail-closed lives at the caller, which treats `None` as a
-// constructor-layer violation (valid `DeclarationId`s can't legitimately
-// miss).
-fn declaration_by_id(d: Dag, id: DeclarationId) -> Declaration? {
-  host declaration_by_id
-}
-
-// Declaration-by-name accessor — strict mirror of `declaration_by_id`,
-// keyed by name instead of id. Director-ratified path (α) at gunbc#2068
-// #issuecomment-4402899692 (T-CostLens follow-on Slice 1a.0): consumers
-// that need a substrate meta-type's `DeclarationId` (e.g., `TypeRealization`,
-// `CallableRealization`) can acquire it via name-lookup at compile time.
-// `Declaration?` mirrors the permissive reflected-substrate shape per
-// `declaration_by_id`; C-8 fail-closed at the caller (a name that doesn't
-// resolve to a known declaration is a substrate-integrity question, not a
-// silent miss). Pre-anticipated as part of the intended substrate primitive
-// set (see comment authority at the top of this file referencing
-// `declaration_by_name, SubstStack lookup`).
-fn declaration_by_name(d: Dag, name: String) -> Declaration? {
-  host declaration_by_name
-}
-
-// Lane 2 Stage 2b — reads the optional workflow fact installed on `Value` /
-// `Bind` roots (same authority as `Dag::lane2_workflow_effect_at` on the Rust
-// side). Target emitters map this accessor via `SubstrateAccessorBinding`.
-fn lane2_workflow_at(d: Dag, id: NodeId) -> WorkflowEffect? {
-  host lane2_workflow_effect_at
-}
-
-// Workflow-root identification (Director-locked α; per
-// `docs/design-lens-framework.md` Q-shape and merged audit
-// `docs/design-lens-fold-prerequisites.md` §"Prereq-3a").
-//
-// 🟡 SCAFFOLD coproduct. The three arms partition every legitimate
-// `Dag` exactly once at the substrate-load boundary:
-//
-//   - `SingleRoot(p)` — α (last topological `Bind`) selected `p` as
-//     the workflow-root port. Emitted whenever the Dag contains at
-//     least one `Bind`; multiple Binds are NOT ambiguous under α —
-//     the linear `d.nodes` order picks exactly one last element by
-//     definition. `p` is the chosen Bind's `result_port`.
-//   - `NoRoot` — zero `Bind` behaviors in `d.nodes`. The fold short-
-//     circuits (`fold_lens<C>` returns `DimensionFail` with a
-//     no-root diagnostic; `R2-Evaluator.evaluate(...)` rejects).
-//   - `AmbiguousRoot { candidates }` — reserved for the
-//     enumerate-all-eligible-entries rule that the runtime evaluator
-//     (`evaluate(program, entry, args)` per Items 4+5 / #1176 §3.2)
-//     consumes for multi-entry programs. The α / γ "last X Bind"
-//     rules cannot populate this arm over a linear `Dag.nodes` —
-//     both pick exactly one element by definition. Pinned here as a
-//     fail-closed surface for the future enumerate-all consumer
-//     wiring; today's α implementation never emits this variant.
-//
-// Pattern 1 (per-call total fact) was rejected: `-> PortId` would
-// fabricate or panic on `NoRoot` cases. Pattern 2 (collapse to
-// `Option<PortId>`) loses the `AmbiguousRoot` channel for the
-// multi-entry consumer. Pattern 3 (this sum) is the dissolution
-// path: each variant carries the structural reason its arm was
-// taken; consumers dispatch fail-closed without fabrication.
-//
-// Dissolution: γ refinement (last `UserCallable` `Bind`) and the
-// enumerate-all rule both reuse this same partition behind the
-// `workflow_root_port` accessor; no carrier change required.
-type WorkflowRoot
-  = SingleRoot(PortId)
-  | NoRoot
-  | AmbiguousRoot { candidates: NonSingletonList<PortId> }
-
-// Workflow-root accessor (per merged audit Prereq-3a). Implements
-// the α rule: last topological `Bind` in `d.nodes`. Returns
-// `WorkflowRoot::SingleRoot(b.result_port)` when the Dag contains
-// at least one Bind (α picks the last one); `NoRoot` when zero
-// Binds; never `AmbiguousRoot` under α (linear `d.nodes` cannot
-// tie — multiple Binds are not ambiguous, α just picks the last).
-// Shared authority — both `fold_lens<C>` (workflow-root
-// identification for the equivalence target) and R2-Evaluator
-// (runtime entry-point identification) are the planned consumers.
-//
-// 🟡 BOUNDED STAGING on the realization side. The declaration +
-// Rust impl + Rust binding (`rust_workflow_root_port_accessor` +
-// `workflow_root_port_binding_rust` in `src/v3/spec/rust.dag`) land
-// in Prereq-3a (this PR), which puts the accessor in
-// `substrate_accessor_universe` so any `.dag` consumer that
-// references it lowers to the Rust template. Per-target
-// Python/Go bindings are NOT in this PR. Trigger: when a Python
-// or Go emitter first consumes `workflow_root_port`, the
-// corresponding `SubstrateAccessorBinding` lands atomically with
-// that consumer — same staging discipline as `lane2_workflow_at`
-// (Rust binding landed first because the lens runtime needs it;
-// other targets land when they emit a consumer). Today's path
-// fails closed at emit time for the unbound targets via
-// `EmitError::MissingSubstrateAccessorRealization`.
-fn workflow_root_port(d: Dag) -> WorkflowRoot {
-  host workflow_root_port
-}
-
-// `Lookup<DeclarationId>` monomorphized constructors (same shim story as
-// `miss_int_lookup` in `v3.std.lookup` and `miss_symbolic_cost_lookup` in
-// `std.algebra`). Lives here so `infer_helpers.dag` can call them via
-// `std.substrate` without `std.lookup` importing declaration identity types.
-fn miss_declaration_id_lookup() -> Lookup<DeclarationId> {
-  Miss
-}
-
-fn hit_declaration_id_lookup(id: DeclarationId) -> Lookup<DeclarationId> {
-  Hit(id)
-}
diff --git a/src/v3/std/substrate_minimal.dag b/src/v3/std/substrate_minimal.dag
deleted file mode 100644
index 32f7ee41526..00000000000
--- a/src/v3/std/substrate_minimal.dag
+++ /dev/null
@@ -1,39 +0,0 @@
-// substrate_minimal — identity handles + list cardinality primitives shared by
-// `std.effects` and `v3.std.substrate` without a bootstrap import cycle.
-//
-// Loaded before `effects.dag` and `substrate.dag` (see `src/v3/compiler/build.rs`
-// priority list) so `effects` can name `PortId` / `NonEmptyList` / `NonSingletonList`
-// before the full substrate graph, while `substrate` can import `WorkflowEffect`
-// from `std.effects` for reflected `ValueNode` / `BindNode` workflow facts.
-//
-// **Bootstrap split receipt — load-bearing (not a temporary shim).** `std.effects`
-// must reference `PortId` before the full substrate graph is on disk, and
-// `substrate.dag` must import `WorkflowEffect` for reflected node fields — a
-// cyclic import if every declaration lived in one file. That cycle is inherent
-// to layering effects beside reflected workflow facts; this file is the stable
-// seam unless the bootstrap loader gains a two-phase, cycle-aware resolve. If
-// that ever ships, the dissolution move is: fold these types back into
-// `substrate.dag`, delete this module, and drop the extra `build.rs` hook — until
-// then, treat `substrate_minimal` as permanent infrastructure.
-
-module v3.std.substrate_minimal
-
-import std.list { List }
-
-// Atomic identity handles. These stay opaque at the .dag layer and are realized
-// by Rust newtypes in dag.rs.
-type NodeId
-type PortId
-type DeclarationId
-type ClusterId
-
-type NonEmptyList<element> {
-  first: element
-  rest: List<element>
-}
-
-type NonSingletonList<element> {
-  first: element
-  second: element
-  rest: List<element>
-}
diff --git a/src/v3/std/t_ci_workflow_as_data_demo.dag b/src/v3/std/t_ci_workflow_as_data_demo.dag
deleted file mode 100644
index 2fccfe6c125..00000000000
--- a/src/v3/std/t_ci_workflow_as_data_demo.dag
+++ /dev/null
@@ -1,265 +0,0 @@
-// v3.std.t_ci_workflow_as_data_demo — T-Workflow-As-Data gate `ci_workflow_modeled_as_dag`
-// (gunbc#1956). Structural receipt: CI-shaped workflow authored as `.dag` data over
-// `extdeps.github.actions` carriers; timing dimension applies `Lens<TimingMeasurement>`
-// hooks from `v3.std.timing_lens` and yields `DimensionReport<TimingMeasurement>` through
-// the body evaluator (E6-G1.a option-3 shaped reporting shell).
-
-module v3.std.t_ci_workflow_as_data_demo
-
-import std.list { List, Empty, Cons, is_empty }
-import std.types { Bool }
-import std.substrate { Behavior, Cluster, Dag, DagPort, Declaration }
-import extdeps.github.actions {
-  Workflow,
-  Job,
-  Step,
-  UsesStep,
-  HostedRunner,
-  UbuntuLatest,
-  Push,
-  checkout_action,
-  setup_rust_action
-}
-import v3.std.dimensions { Witness, OptionalDiagnostic, DimensionReport }
-import v3.std.diagnostics { Diagnostic }
-import v3.std.lens_application { DeclarationScope, DiagnosticSeverity, EnforcedApplication }
-import v3.std.timing_lens {
-  TimingBudget,
-  TimingEnforcementProjected,
-  TimingMeasurement,
-  timing_enforceable,
-  timing_lens_behavior_span,
-  timing_lens_degenerate_empty_dag_span,
-  timing_lens_scaffold_non_evidence_diagnostic,
-  timing_lens_validate,
-  timing_sequential_identity
-}
-import v3.std.workflows { behavior_spine }
-
-// Modeled subset of gunbc CI: push trigger + ubuntu-latest job with checkout + Rust setup.
-data modeled_gunbc_ci_workflow: Workflow = Workflow {
-  name: "gunbc-ci-demo",
-  on: Cons {
-    head: Push { branches: Empty, paths: Empty },
-    tail: Empty,
-  },
-  concurrency: none,
-  jobs: Cons {
-    head: Job {
-      id: "build",
-      name: none,
-      runner: HostedRunner { label: UbuntuLatest },
-      steps: Cons {
-        head: UsesStep {
-          name: none,
-          id: none,
-          uses: checkout_action,
-          with: Some { value: { fetch_depth: "1" } },
-          env: { DEMO_CI: "1" },
-          if_condition: none,
-          continue_on_error: false,
-          timeout_minutes: none,
-        },
-        tail: Cons {
-          head: UsesStep {
-            name: none,
-            id: none,
-            uses: setup_rust_action,
-            with: Some { value: { rust_version: "stable" } },
-            env: { DEMO_CI: "1" },
-            if_condition: none,
-            continue_on_error: false,
-            timeout_minutes: none,
-          },
-          tail: Empty,
-        },
-      },
-      needs: Empty,
-      env: { CI: "demo" },
-      outputs: none,
-      if_condition: none,
-      strategy: none,
-      timeout_minutes: none,
-      continue_on_error: false,
-      concurrency: none,
-    },
-    tail: Empty,
-  },
-  env: { WORKFLOW_LEVEL: "demo" },
-  permissions: none,
-}
-
-// Historical note: an earlier PB-1 receipt wrapped this predicate in `_ci_wad_nonlinear_timing_stub`
-// (`gate ||` dead `contains` clause) so `b` appeared in an unreachable arm for unused-parameter
-// hygiene. The eager evaluator now closes the spine gate with declared `is_empty`/`behavior_spine`
-// alone — no name-keyed Rust escape hatch.
-
-// Discriminate `b` at the outer bind and validate timing against `d` inline so reachability sees
-// both parameter ports (same rationale as the spine gate on `d`).
-fn ci_demo_timing_read(d: Dag, b: Behavior) -> Witness<TimingMeasurement> =
-  match b {
-    Value(_) =>
-      match timing_lens_validate(d, timing_sequential_identity()) {
-        NoDiagnostic => Inhabits(timing_sequential_identity())
-        SomeDiagnostic { value: _ } => Inhabits(timing_sequential_identity())
-      }
-    Transform(_) =>
-      match timing_lens_validate(d, timing_sequential_identity()) {
-        NoDiagnostic => Inhabits(timing_sequential_identity())
-        SomeDiagnostic { value: _ } => Inhabits(timing_sequential_identity())
-      }
-    Branch(_) =>
-      match timing_lens_validate(d, timing_sequential_identity()) {
-        NoDiagnostic => Inhabits(timing_sequential_identity())
-        SomeDiagnostic { value: _ } => Inhabits(timing_sequential_identity())
-      }
-    Loop(_) =>
-      match timing_lens_validate(d, timing_sequential_identity()) {
-        NoDiagnostic => Inhabits(timing_sequential_identity())
-        SomeDiagnostic { value: _ } => Inhabits(timing_sequential_identity())
-      }
-    Bind(_) =>
-      match timing_lens_validate(d, timing_sequential_identity()) {
-        NoDiagnostic => Inhabits(timing_sequential_identity())
-        SomeDiagnostic { value: _ } => Inhabits(timing_sequential_identity())
-      }
-  }
-
-// Non-stub witness path: same timing read as the stub-true branch (PB-1-safe). The modeled CI
-// workflow remains substrate-authoritative via `data modeled_gunbc_ci_workflow` above; passing that
-// `data` binding into callees or matching `w.jobs` is not supported on embedded bootstrap yet.
-fn ci_wad_modeled_workflow_timing_witness(d: Dag, b: Behavior) -> Witness<TimingMeasurement> =
-  ci_demo_timing_read(d, b)
-
-// PB-1 integration harness: `find_list_empty_constructor_tag` needs `List<τ>.Empty` rows for each
-// `Dag` record field type — mirror `_e6_seed_*` in `e6_g1a_option3_static_lens_test.rs`.
-fn _ci_wad_seed_list_declaration_empty() -> List<Declaration> = Empty
-
-fn _ci_wad_seed_list_behavior_empty() -> List<Behavior> = Empty
-
-fn _ci_wad_seed_list_dagport_empty() -> List<DagPort> = Empty
-
-fn _ci_wad_seed_list_cluster_empty() -> List<Cluster> = Empty
-
-fn _ci_wad_empty_list_diagnostic() -> List<Diagnostic> = Empty
-
-fn _ci_wad_empty_list_witness_tm() -> List<Witness<TimingMeasurement>> = Empty
-
-fn _ci_wad_witnesses_singleton_tm(c: TimingMeasurement) -> List<Witness<TimingMeasurement>> =
-  Cons { head: Inhabits(c), tail: _ci_wad_empty_list_witness_tm() }
-
-fn _ci_wad_violations_singleton(diag: Diagnostic) -> List<Diagnostic> =
-  Cons { head: diag, tail: _ci_wad_empty_list_diagnostic() }
-
-fn _ci_wad_dimension_ok_tm_payload(c: TimingMeasurement) -> DimensionReport<TimingMeasurement> =
-  DimensionOk {
-    dimension_name: "ci_modeled_timing",
-    composed: c,
-    witnesses: _ci_wad_witnesses_singleton_tm(c),
-  }
-
-fn _ci_wad_dimension_fail_tm_payload(c: TimingMeasurement, diag: Diagnostic) -> DimensionReport<TimingMeasurement> =
-  DimensionFail {
-    dimension_name: "ci_modeled_timing",
-    violations: _ci_wad_violations_singleton(diag),
-    witnesses: _ci_wad_witnesses_singleton_tm(c),
-  }
-
-// Thread `d` via `behavior_spine` so `lenses.unused_parameters` stays clean on full bootstrap.
-// Payload records live in dedicated binds so `compile_to_dag(cost.dag)` inference does not
-// duplicate unresolved record ports across `match` arms (lane2 Stage 2d).
-fn report_dim_ok_tm(d: Dag, c: TimingMeasurement) -> DimensionReport<TimingMeasurement> =
-  match behavior_spine(d) {
-    Empty => _ci_wad_dimension_ok_tm_payload(c)
-    Cons { head: _h, tail: _t } => _ci_wad_dimension_ok_tm_payload(c)
-  }
-
-fn report_dim_fail_tm(d: Dag, c: TimingMeasurement, diag: Diagnostic) -> DimensionReport<TimingMeasurement> =
-  match behavior_spine(d) {
-    Empty => _ci_wad_dimension_fail_tm_payload(c, diag)
-    Cons { head: _h, tail: _t } => _ci_wad_dimension_fail_tm_payload(c, diag)
-  }
-
-fn report_inhabits_branch_tm(d: Dag, c: TimingMeasurement, od: OptionalDiagnostic) -> DimensionReport<TimingMeasurement> =
-  match od {
-    NoDiagnostic => report_dim_ok_tm(d, c)
-    SomeDiagnostic { value: diag } => report_dim_fail_tm(d, c, diag)
-  }
-
-fn dimension_report_tm_from_witness(d: Dag, w: Witness<TimingMeasurement>) -> DimensionReport<TimingMeasurement> =
-  match w {
-    Inhabits(c) => report_inhabits_branch_tm(d, c, timing_lens_validate(d, c))
-    Violates { reason: r, subject: sub } =>
-      match sub {
-        AtBehavior(beh) =>
-          report_dim_fail_tm(
-            d,
-            timing_sequential_identity(),
-            timing_lens_scaffold_non_evidence_diagnostic(r, timing_lens_behavior_span(beh))
-          )
-        ProducerLookupMissingPort { port: _p } =>
-          report_dim_fail_tm(
-            d,
-            timing_sequential_identity(),
-            timing_lens_scaffold_non_evidence_diagnostic(r, timing_lens_degenerate_empty_dag_span())
-          )
-        ProducerLookupMissingNode { producer: _q } =>
-          report_dim_fail_tm(
-            d,
-            timing_sequential_identity(),
-            timing_lens_scaffold_non_evidence_diagnostic(r, timing_lens_degenerate_empty_dag_span())
-          )
-      }
-  }
-
-// Evaluator receipt entrypoint: single spine predicate + branches only on `Bool` so
-// `evaluate_body` does not need resolved `Behavior` match arms (PB-1 embed omits `infer`).
-//
-// Branches on `is_empty(behavior_spine(d))` so both parameters participate on the embedded
-// bootstrap path without `Behavior` match lowering. When the spine is empty, take the first
-// witness read; otherwise use `ci_wad_modeled_workflow_timing_witness` (currently the same read).
-//
-// Dissolution trigger (Progress Is Dissolution): when PB-1 embedded bootstrap carries the
-// inference / optional-match materialization needed for `evaluate_body` on `ci_demo_timing_read`
-// (same fixpoint as fresh `regen_bootstrap` — see `ensure_all_optional_match_disjs`), collapse
-// to `dimension_report_tm_from_witness(d, ci_demo_timing_read(d, b))` once full witness lowering lands.
-fn demo_ci_modeled_timing_dimension_report(d: Dag, b: Behavior) -> DimensionReport<TimingMeasurement> =
-  if is_empty(behavior_spine(d)) then
-    dimension_report_tm_from_witness(d, ci_demo_timing_read(d, b))
-  else
-    dimension_report_tm_from_witness(d, ci_wad_modeled_workflow_timing_witness(d, b))
-
-// Gate #58 (`apply_lens_self_application_demonstrated`) — `apply_lens(timing, ci_workflow, Enforce)`
-// per `docs/r3-structure.md` §7 / `docs/r3-program-plan.md` §1.8: the **modeled CI workflow** is
-// `data modeled_gunbc_ci_workflow: Workflow` above; host `check_enforced_lens_applications` only
-// accepts a `DeclarationScope` subject whose **nominal row type** declares `measurement:
-// TimingMeasurement` (`enforced_lens_application.rs` — same contract as gate #92’s LAS row).
-// This row is therefore the workflow **plus** the timing column: `workflow` is exactly that
-// `Workflow` value (not a paraphrase), and `measurement` is the lowered timing witness the
-// consumer reads. **Dissolution:** observation-backed `TimingMeasurement` for real CI anchors, or
-// a substrate path that enforces directly against `Workflow` without the conj shim — tracked under
-// T-Lens-Self-Application / `INVARIANTS.md` SG-0 / ROADMAP T-PB-B.
-//
-// `Observed { duration: { count: 0 } }` is a **PB-1 lowered receipt** for the harness (not live
-// `TimingObservationEntry` wiring). The integration test perturbs `measurement` to prove host
-// enforcement runs on the bootstrap snapshot.
-type gate_58_ci_workflow_timing_row {
-  workflow: Workflow
-  measurement: TimingMeasurement
-}
-
-data gate_58_modeled_ci_timing_measurement: gate_58_ci_workflow_timing_row = {
-  workflow: modeled_gunbc_ci_workflow
-  measurement: Observed { duration: { count: 0 } }
-}
-
-// Gate #58 pass witness: same `EnforcedApplication<…, TimingEnforcementProjected>` carrier as
-// gate #92; `section` binds the gate #58 row above so enforcement applies to the modeled CI
-// workflow instance carried in `workflow` alongside `measurement`.
-data gate_58_apply_lens_self_application_pass: EnforcedApplication<TimingMeasurement, TimingBudget, TimingEnforcementProjected> = {
-  enforceable_lens: timing_enforceable
-  section: DeclarationScope { declaration: gate_58_modeled_ci_timing_measurement }
-  budget: { max: { count: 1000000000 } }
-  diagnostic_severity: Error
-  span: { file: "src/v3/std/t_ci_workflow_as_data_demo.dag", start: 0, end: 0 }
-}
diff --git a/src/v3/std/termination.dag b/src/v3/std/termination.dag
deleted file mode 100644
index a425411cc42..00000000000
--- a/src/v3/std/termination.dag
+++ /dev/null
@@ -1,300 +0,0 @@
-// std.termination -- v3-staged well-founded descent and termination proofs.
-//
-// Bootstrap-staged mirror of `dsl/std/termination.dag` for v3. Keep these
-// carrier shapes and lattice functions aligned while v2 still scans `dsl/`.
-
-module std.termination
-
-import v3.std.substrate { Dag, ClusterId, PortId }
-import std.error_primitives { Result, Ok, Err }
-
-// At each recursive call edge, a ranking dimension either strictly decreases,
-// does not increase, or is unknown. The lattice ordering is:
-// DescentUnknown < NonIncreasing < Strict.
-// 🟢 TERMINAL at termination-proof scope. These are the durable evidence
-// states downstream lenses consume; later work may add producers, but the
-// proof lattice itself is not a bootstrap shim.
-type DescentEvidence
-  = Strict
-  | NonIncreasing
-  | DescentUnknown
-
-fn evidence_rank(e: DescentEvidence) -> Int {
-  match e {
-    Strict => 2
-    NonIncreasing => 1
-    DescentUnknown => 0
-  }
-}
-
-// Conservative meet: keep only evidence proven on every branch.
-fn merge_evidence(a: DescentEvidence, b: DescentEvidence) -> DescentEvidence {
-  match a {
-    Strict => match b {
-      Strict => Strict
-      NonIncreasing => NonIncreasing
-      DescentUnknown => DescentUnknown
-    }
-    NonIncreasing => match b {
-      Strict => NonIncreasing
-      NonIncreasing => NonIncreasing
-      DescentUnknown => DescentUnknown
-    }
-    DescentUnknown => DescentUnknown
-  }
-}
-
-// Optimistic join: keep the strongest evidence seen on any branch.
-fn join_evidence(a: DescentEvidence, b: DescentEvidence) -> DescentEvidence {
-  match a {
-    DescentUnknown => b
-    NonIncreasing => match b {
-      Strict => Strict
-      NonIncreasing => NonIncreasing
-      DescentUnknown => NonIncreasing
-    }
-    Strict => Strict
-  }
-}
-
-// Fail closed: strict descent cannot be fabricated from non-increase without
-// a separate structural witness.
-//
-// 🟡 P5 BRIDGE. Name reads like unary promotion; body is fail-closed (see `dsl` mirror).
-// `v2.compiler.complexity` routes parser progress through `strict_after_parser_witness` and
-// no longer imports this symbol; dissolution: rename here when bootstrap / mirrors migrate.
-fn promote_to_strict(evidence: DescentEvidence) -> DescentEvidence {
-  match evidence {
-    NonIncreasing => NonIncreasing
-    Strict => Strict
-    DescentUnknown => DescentUnknown
-  }
-}
-
-// Optional meet for DescentEvidence: None is identity (top).
-fn optional_evidence_meet(a: DescentEvidence?, b: DescentEvidence?) -> DescentEvidence? {
-  match a {
-    None => b
-    Some { value: va } =>
-      match b {
-        None => a
-        Some { value: vb } => Some { value: merge_evidence(a: va, b: vb) }
-      }
-  }
-}
-
-// Pointwise meet keyed by String.
-fn map_evidence_merge_at(base: Map<String, DescentEvidence>, key: String, new_val: DescentEvidence) -> Map<String, DescentEvidence> {
-  match map_get(base, key) {
-    Some { value: existing } => map_insert(base, key, merge_evidence(a: existing, b: new_val))
-    None => map_insert(base, key, new_val)
-  }
-}
-
-// Bootstrap constraint: `param` is a function parameter name (String).
-// When .dag supports function references, this should become structural.
-// 🟡 SCAFFOLD. Ranking dimensions are durable, but the `param: String`
-// bridge dissolves when function parameters can be referenced structurally.
-type RankingDimension
-  = TreeSize { param: String }
-  | ListLength { param: String }
-  | ArithmeticValue { param: String }
-  | TokenPosition { param: String }
-  | SetCardinality { param: String }
-
-// 🟢 TERMINAL at descent-witness scope. Raw `Int` cannot carry shrink
-// evidence because zero and negative values are not descent witnesses.
-//
-// Ratchet (P4 / modeling): self-recursive Peano-style sums here extend the substrate
-// recursive-type set beyond `Node`; dissolution is deferred until E-P routes literal
-// bridges through shared numeric refinements (see `ROADMAP.md` P4 — Peano witness ratchet).
-//
-// Design note (api-review / E-P): `std.types` already declares `PositiveInt`
-// (`Int where range(min: 1)`) and similar refinements. A future dissolution is
-// to route literal bridges through that **shared numeric refinement authority**
-// (plus an explicit M9 cap) once E-P lowers refinements uniformly for all
-// consumers. Today the Peano sum stays the single structural witness shared with
-// `std.computation` / `std.induction` and the v2 emitter; literal materialization
-// is fail-closed and capped in `positive_descent_amount_from_positive_int`.
-type PositiveDescentAmount
-  = OneStep
-  | AdditionalStep { previous: PositiveDescentAmount }
-
-// Peano depth as `Int` (Lane E-T / E-C). Declared in `std.termination` (not
-// `std.computation`) so `v3.std.algebra` can compare polynomial degrees without
-// importing `std.computation`, which would create a bootstrap SCC with `std.algebra`.
-fn positive_descent_count(steps: PositiveDescentAmount) -> Int {
-  match steps {
-    OneStep => 1
-    AdditionalStep { previous: p } => 1 + positive_descent_count(p)
-  }
-}
-
-// 🟢 TERMINAL at descent-witness scope. Structural divisor ≥ 2; lives here so
-// `DescentSource` can reference it without `std.computation` (which imports this module).
-//
-// Same E-P dissolution story as `PositiveDescentAmount`: bounded `Int where
-// range(min: 2, max: …)` (or a branded divisor refinement) is the target once
-// refinements are first-class end-to-end; `proportional_divisor_from_int_at_least_two`
-// is the capped `Int` bridge meanwhile.
-type ProportionalDivisor
-  = DivideByTwo
-  | StrictlyLarger { inner: ProportionalDivisor }
-
-fn proportional_divisor_to_int(d: ProportionalDivisor) -> Int {
-  match d {
-    DivideByTwo => 2
-    StrictlyLarger { inner: p } => 1 + proportional_divisor_to_int(d: p)
-  }
-}
-
-// M9 / P2 — **single numeric authority** for literal-sized Peano witness depth (mirror of `dsl/std/termination.dag`).
-// Dissolution: E-P shared refinement caps (see ROADMAP P4).
-fn peano_literal_materialization_cap() -> Int { 256 }
-
-// M9 / P4: refuse witness depths above `peano_literal_materialization_cap()` so literal-sized `Int` inputs cannot
-// force deep recursive materialization (infer + std share this cap; fail closed).
-// The .dag definition is stack-recursive O(k) in witness depth; the Rust mirror is
-// iterative with the same cap — future unbounded-Int producers should cap or bound k upstream.
-fn positive_descent_amount_from_positive_int(k: Int) -> PositiveDescentAmount? {
-  if k <= 0 { none }
-  else {
-    if k > peano_literal_materialization_cap() { none }
-    else {
-      if k == 1 { Some { value: OneStep } }
-      else {
-        match positive_descent_amount_from_positive_int(k: k - 1) {
-          Some { value: prev } => Some { value: AdditionalStep { previous: prev } }
-          None => none
-        }
-      }
-    }
-  }
-}
-
-fn proportional_divisor_from_int_at_least_two(k: Int) -> ProportionalDivisor? {
-  if k < 2 { none }
-  else {
-    if k > peano_literal_materialization_cap() { none }
-    else {
-      if k == 2 { Some { value: DivideByTwo } }
-      else {
-        match proportional_divisor_from_int_at_least_two(k: k - 1) {
-          Some { value: prev } => Some { value: StrictlyLarger { inner: prev } }
-          None => none
-        }
-      }
-    }
-  }
-}
-
-// Concrete code pattern that witnesses descent for a ranking dimension.
-// Bootstrap constraint: name-like payloads are Strings until function and
-// field references are first-class in .dag.
-// 🟡 SCAFFOLD. The witness taxonomy is durable for E-T; the String payload
-// bridge dissolves once accessor, operation, witness, and element references
-// are first-class substrate values instead of names.
-type DescentSource
-  = ChildAccessor { accessor: String }
-  | ListShrink { amount: PositiveDescentAmount }
-  | ArithmeticSubtractDescent { steps: PositiveDescentAmount }
-  | ArithmeticDivideDescent { divisor: ProportionalDivisor }
-  | ParserAdvance { witness: String }
-  | SetRemoval { element: String }
-  | FoldIteration
-
-type TerminationProof {
-  dimensions: List<RankingDimension>
-}
-
-// Bootstrap constraint: caller/callee are function names (String).
-// When .dag supports function references, these should become structural.
-type ProofEdge {
-  caller: String
-  callee: String
-  evidence: List<DescentEvidence>
-}
-
-// 🟢 TERMINAL at descent-residual scope.
-//
-// Strict-only 1-variant subset of `DescentEvidence` — the `Ok` channel of
-// `descent_execution_proof` carries exclusively `Strict` per-path entries; P2
-// API-level enforcement makes `Ok(... NonIncreasing ...)` and `Ok(...
-// DescentUnknown ...)` unrepresentable by construction. Pairs with
-// `NonStrictEvidence` to partition `DescentEvidence` across the Result split:
-// Strict ⊕ NonStrictEvidence = DescentEvidence.
-type StrictEvidence
-  = Strict
-
-// 🟢 TERMINAL at descent-residual scope.
-//
-// `NonStrictEvidence` is the 2-variant typed subset of `DescentEvidence` that
-// carries actual residual signal. `Strict` is **not** a residual (Strict means
-// termination IS provable), so it is not a member of this subset. P2 API-level
-// enforcement: `EvidenceUnknown(Strict)` is unrepresentable by construction.
-type NonStrictEvidence
-  = NonIncreasing
-  | DescentUnknown
-
-// 🟢 TERMINAL at descent-residual scope.
-//
-// Result residual returned by `descent_execution_proof` when proof construction
-// cannot certify strict descent for every path. Director-ratified γ shape
-// (gunbc#828 #issuecomment-4395060514, 2026-05-07): 2-variant residual replacing
-// the prose 4-variant `Missing | Unknown | Incomplete | NonStrict` decomposition.
-//
-// - `EvidenceUnknown(NonStrictEvidence)` collapses absent-evidence and
-//   not-strict into a single typed channel; the `NonStrictEvidence` payload
-//   witnesses *which* sub-Strict evidence the executor saw (per join semantics:
-//   any non-Strict per-path entry surfaces here).
-// - `EvidenceIncomplete` is the proof-construction state for per-path coverage
-//   that did not complete. Currently unit-variant per Director γ; STOP-and-PING
-//   the Substrate Mgr if substrate evidence forces a payload-variant
-//   decomposition (e.g. `TimeoutReason | DepthBoundExceeded |
-//   EvaluatorErrorDuringProofConstruction`) — canvas-shape verification, not
-//   re-ratification (per Director).
-type DescentResidual
-  = EvidenceUnknown(NonStrictEvidence)
-  | EvidenceIncomplete
-
-// 🟡 SCAFFOLD at proof-witness scope.
-//
-// Termination-contract proof token consumed by Evaluator E2 (#1971) for
-// `LoopBound::Descent` execution. Per-path evidence map keyed by branch
-// identifier; each entry is typed as `StrictEvidence` (1-variant subset) so
-// non-Strict per-path entries are unrepresentable in the Ok channel by
-// construction (P2 API-level enforcement, not runtime check). Non-Strict
-// per-path evidence surfaces as `EvidenceUnknown(NonIncreasing)` /
-// `EvidenceUnknown(DescentUnknown)` residual via the executor's join semantics.
-//
-// `cluster` and `port` are echoed to keep the token self-describing for
-// downstream lens consumers; `String` keys are the bootstrap bridge until
-// branch identifiers gain a structural carrier (mirrors the `param: String`
-// scaffold pattern elsewhere in this file).
-type DescentExecutionProof {
-  cluster: ClusterId
-  port: PortId
-  per_path: Map<String, StrictEvidence>
-}
-
-// 🟡 SCAFFOLD at substrate-fact scope.
-//
-// Substrate-side typed termination-contract carrier (Q-EVAL-Descent-Termination-
-// Contract; γ-ratified at gunbc#828 #issuecomment-4395060514 2026-05-07).
-// Evaluator E2 (#1971) consumes proof token only — multi-consumer composability
-// is intentionally out of scope (carrier IS the consumer-cementing executor
-// termination contract).
-//
-// Body is fail-closed: returns `Err { value: EvidenceIncomplete }` until a
-// downstream producer wires per-path Strict-evidence aggregation. The fail-
-// closed default matches the §10.3 row's "fail-closed residuals" disposition;
-// concrete per-path evidence wiring is the Evaluator-side same-slice consumer's
-// concern.
-//
-// Bootstrap signature drift: brief signature uses `&Dag` (Rust-style reference);
-// v3 std .dag carrier uses bare `Dag` per local convention (see `port` /
-// `resolve_producer` in `v3.std.substrate`). Surface as STOP-and-PING if a
-// module witness becomes necessary at consumer-wiring time.
-fn descent_execution_proof(dag: Dag, cluster: ClusterId, port: PortId) -> Result<DescentExecutionProof, DescentResidual> {
-  Err { value: EvidenceIncomplete }
-}
diff --git a/src/v3/std/timing_lens.dag b/src/v3/std/timing_lens.dag
deleted file mode 100644
index 4dfffec163e..00000000000
--- a/src/v3/std/timing_lens.dag
+++ /dev/null
@@ -1,440 +0,0 @@
-// v3.std.timing_lens — T-Workflow-As-Data Slice 2 timing-lens substrate
-// (gunbc#1955). Carriers consumed as `Lens<TimingMeasurement>` alongside
-// `TimingObservationSet`, `WorkflowObservationAnchor`, and `TimingBudget`.
-// Authority: `docs/design-timing-lens.md` + `docs/r3-structure.md` T-WAD row.
-//
-// 🟡 SCAFFOLD. External CI / runner timing facts are not yet reflected into
-// `timing_lens_read`; the uniform unobserved witness is an honest fail-open
-// substrate receipt until observation wiring lands. Loop-bound measure lowering
-// into compositional timing algebra is deferred: `timing_measurement_iterate` is
-// fail-closed on `Observed` (returns `Unobserved` while the bound cannot refine
-// durations) and passes `Unobserved` / `Ambiguous` / `Stale` through unchanged.
-module v3.std.timing_lens
-
-import std.algebra { Monoid }
-import std.list { List, is_empty }
-import std.nat { Nat }
-import std.types {
-  Bool,
-  ContentHash,
-  FilePath,
-  SourceSpan,
-  WorkflowProducerId,
-  WorkflowObserverId,
-  WorkflowProverId,
-  WorkflowRunId
-}
-import std.substrate { Dag, Behavior, LoopBound, NodeId }
-import v3.std.diagnostics { Diagnostic, CompilerDiagnosticKind, Correction, RetirementPlan }
-import v3.std.dimensions { Witness, OptionalDiagnostic }
-import v3.std.lens { Lens }
-import v3.std.lens_application { LensEnforcement, EnforceableLens }
-import v3.std.workflows { behavior_spine }
-
-// DB-11 `FilePath` witness for this module (same narrowing discipline as
-// `LensRegistryEntry.lens_file` in `v3.compiler.regen`).
-fn timing_lens_module_path_witness() -> FilePath =
-  "src/v3/std/timing_lens.dag"
-
-// PRACTICE 4 CHECKPOINT: 🟡 SCAFFOLD — nominal SI-nanosecond coordinate for
-// durations and POSIX-epoch instants at this substrate layer. **Magnitude**
-// uses `Nat` (non-negative; same counting authority as `PerfBaselineMeasurement`
-// `median_ns` / `p99_delta_ns` in `v3.std.substrate`). Per-field upper bounds,
-// signed pre-epoch instants, and `Measure<Time, S>` grounding remain deferred
-// per Q-Unit-4 option (c) / `dsl/std/measure.dag` posture.
-type Nanoseconds {
-  count: Nat
-}
-
-// PRACTICE 4 / P5 — `TimingMeasurement` report coproduct (T-WAD Slice 2 / §1.8 gate #54):
-// **🟢 GREEN (terminal)** — this sum is the landed observation-boundary coproduct:
-// external timing **report** states (`Observed` carries `Nanoseconds`; `Unobserved` /
-// `Ambiguous` / `Stale` are unit outcomes; no bare `Missing` label — witness-resolution
-// collision class). Four-pattern dissolution (`docs/modeling-discipline.md#4-coproduct-dissolution`):
-//   1. Fact placement — PASS: each variant names one external observation fact.
-//   2. Variant-is-data — PASS: `Observed` carries `Nanoseconds`; others unit facts.
-//   3. Algebraic form — PASS: closed sum over report outcomes (no stringly state).
-//   4. Dimensional — N/A at this layer (time magnitude is tagged via `Nanoseconds`).
-//
-// **🟡 SCAFFOLD (hooks only, not the carrier sum):** `timing_measurement_lens_combine`
-// precedence until evidence-bearing runners supply richer algebra; `timing_lens_read` /
-// `timing_lens_validate` / `timing_measurement_iterate` behavior — see module banner
-// and `timing_measurement_lens_combine` / `timing_lens_read` / `timing_lens_validate`
-// below. Run/digest / anchor coordinates for each row stay on `WorkflowObservationAnchor`
-// inside `TimingObservationEntry` (gate #55 attachment row). P5 / INVARIANTS Progress Is
-// Dissolution + modeling-discipline checkpoint (~L131–L134) — **carrier = GREEN; hooks = YELLOW**.
-//
-// **Report-state join (scaffold, one authority):** `timing_measurement_lens_combine`
-// below defines precedence for composing two `TimingMeasurement` values until
-// evidence-bearing runners supply richer algebra. **`Unobserved` is strict on
-// both operands** (never silenced by `Stale` / `Ambiguous` / `Observed`).
-// Among non-`Unobserved` faults, `Stale` dominates `Ambiguous` on the left when
-// pairing with `Observed` (see `Stale` / `Ambiguous` arms); `Observed`×`Observed`
-// uses `sequential` sum vs `branch` max only in that combine helper.
-//
-type TimingMeasurement
-  = Observed { duration: Nanoseconds }
-  | Unobserved
-  | Ambiguous
-  | Stale
-
-// Shared External Attachment Pattern — stable workflow-side anchor for facts
-// sourced outside the `.dag` program text (CI logs, artifacts, receipts).
-// Six invariants are documented in `docs/design-timing-lens.md` §2; this
-// record carries the structural coordinates those invariants reference.
-// Gate #55 invariant 1 (stable subject identity): `subject_node` is the
-// substrate `NodeId` table key (`Dag.nodes` / `behavior_spine` witness order),
-// not free-form path or source-span text — P2 Boundary Discipline / illegal-states
-// hygiene (stringly span coordinates cannot inhabit this field).
-// Gate #55 invariant 2 (observed-artifact identity): `artifact_digest` is
-// `ContentHash` (`std.types`), not bare `String` — content-addressed binding /
-// M9 nominal discipline so arbitrary prose cannot masquerade as a digest.
-// Gate #55 invariant 3 (role separation): `producer_id`, `observer_id`, and
-// `prover_id` use distinct branded nominals (`WorkflowProducerId`, …) so the
-// three provenance roles cannot be mixed at callsites (vs three anonymous `String`s).
-// Gate #55 invariant 4 (run context): `workflow_run_id` is `WorkflowRunId`, not
-// bare `String`, so run scope is typed as a dedicated external-run key nominal.
-// Declared before `TimingObservationEntry` so each observation row embeds the
-// same anchor authority as its measurement (Boundary Discipline: one product
-// fact, no join drift between payload and provenance).
-type WorkflowObservationAnchor {
-  subject_node: NodeId
-  artifact_digest: ContentHash
-  producer_id: WorkflowProducerId
-  observer_id: WorkflowObserverId
-  prover_id: WorkflowProverId
-  attached_at_ns: Nanoseconds
-  workflow_run_id: WorkflowRunId
-}
-
-// Gate #62 `substrate_gap_file_ingestion_closed` — T-Workflow-As-Data file-attachment
-// substrate carrier (Refined-B-1 ratification: `docs/briefs/r3-substrate-gate-62-file-attachment-carrier-sub-canvas.md`,
-// PR #2820; Director disposition relayed via PM msg_bc8c23f6 2026-05-13).
-//
-// **Refined-B-1 (strict 5-of-7 subset of `WorkflowObservationAnchor` above / gate #55):**
-// same provenance/run coordinates as the timing anchor, with `artifact_digest` renamed to
-// `content_digest` for file-ingestion vocabulary; drops `observer_id` + `prover_id` (timing-specific
-// roles). Sibling-carrier pattern with `WorkflowSecret` / `CronExpression` on gate #53 — no
-// `List<FileAttachment>` on Job/Step here (consumer-evidence deferral per Director Q4).
-type FileAttachment {
-  subject_node: NodeId
-  content_digest: ContentHash
-  producer_id: WorkflowProducerId
-  workflow_run_id: WorkflowRunId
-  attached_at_ns: Nanoseconds
-}
-
-// Gate #62 existence proof (`substrate_gap_file_ingestion_closed`): anonymous record literal
-// with `-> FileAttachment` expected type (same discipline as `timing_lens_degenerate_empty_dag_span`
-// → `SourceSpan`). Kept in this module so the return nominal resolves to the `FileAttachment` Conj
-// adjacent above — cross-module `import` return typing did not supply a conj witness for `{…}`.
-fn gate_62_file_attachment_demo_record(
-  subject: NodeId,
-  digest: ContentHash,
-  producer: WorkflowProducerId,
-  run: WorkflowRunId,
-  attached: Nanoseconds
-) -> FileAttachment =
-  {
-    subject_node: subject,
-    content_digest: digest,
-    producer_id: producer,
-    workflow_run_id: run,
-    attached_at_ns: attached,
-  }
-
-// Batched timing observations: each entry is anchor × measurement (typed edge).
-type TimingObservationSet {
-  observations: List<TimingObservationEntry>
-}
-
-type TimingObservationEntry {
-  anchor: WorkflowObservationAnchor
-  measurement: TimingMeasurement
-}
-
-// Budget carrier paired with timing enforcement (`LensEnforcement` / demo
-// lanes consume this shape; substrate lands the fact here).
-type TimingBudget {
-  max: Nanoseconds
-}
-
-// T-LAS timing enforcement: `project` codomain for `LensEnforcement<TimingMeasurement,
-// TimingBudget, TimingEnforcementProjected>`. Separates observed wall-clock usage (`TimedUsage`)
-// from non-evidence report states (`NonEvidenceUsage`) so `project` never encodes the latter as a
-// plausible `Nat` magnitude inside `TimingBudget` (P2 / illegal-states-unrepresentable; openai-pro
-// review on gate #58).
-//
-// PRACTICE 4 / INVARIANTS P1 (`docs/modeling-discipline.md` §4 coproduct checkpoint) — traffic light:
-// **🟢 GREEN (terminal)** — landed enforcement-projection coproduct: `TimedUsage` is the observed
-// wall-clock usage coordinate (same `Nanoseconds` shape as `TimingBudget.max`); `NonEvidenceUsage`
-// is a unit fact for `Unobserved` / `Ambiguous` / `Stale` (no `Nat` fault sentinel in `TimingBudget`).
-// **🟡 SCAFFOLD** — none on this sum (both variants are substrate-final at this layer). **🔴 BLOCKED**
-// — none. **Dissolution:** retire this sum only when every `project` consumer can thread full
-// `TimingMeasurement` without illegal-state collisions (gate #58 `.dag` `TestClaim` / T-PB-B SG-0
-// receipt per `INVARIANTS.md`).
-type TimingEnforcementProjected
-  = TimedUsage { max: Nanoseconds }
-  | NonEvidenceUsage
-
-// §1.8 / r3-program-plan `timing_lens_carrier_landed`: nominal `Lens<C>` surface at
-// `C = TimingMeasurement` (see `docs/design-timing-lens.md` §1). Hooks below remain
-// scaffold until `data … : TimingLens` rows are admissible under E6-G1 policy.
-type TimingLens = Lens<TimingMeasurement>
-
-fn timing_measurement_unobserved() -> TimingMeasurement =
-  Unobserved
-
-// Single declared join for `Lens<TimingMeasurement>` composition hooks.
-// `sequential`: `Observed`×`Observed` sums nanoseconds; else `branch` takes max.
-fn timing_measurement_lens_combine(a: TimingMeasurement, b: TimingMeasurement, sequential: Bool) -> TimingMeasurement =
-  match a {
-    Unobserved => Unobserved
-    Stale =>
-      match b {
-        Unobserved => Unobserved
-        Stale => Stale
-        Ambiguous => Stale
-        Observed { duration: _ } => Stale
-      }
-    Ambiguous =>
-      match b {
-        Unobserved => Unobserved
-        Stale => Stale
-        Ambiguous => Ambiguous
-        Observed { duration: _ } => Ambiguous
-      }
-    Observed { duration: ax } =>
-      match b {
-        Unobserved => Unobserved
-        Stale => Stale
-        Ambiguous => Ambiguous
-        Observed { duration: bx } =>
-          if sequential then
-            Observed { duration: { count: ax.count + bx.count } }
-          else
-            Observed {
-              duration: if ax.count > bx.count then ax else bx,
-            }
-      }
-  }
-
-// Sequential monoid operation for `Lens<TimingMeasurement>.sequential`.
-fn timing_sequential_op(a: TimingMeasurement, b: TimingMeasurement) -> TimingMeasurement =
-  timing_measurement_lens_combine(a, b, true)
-
-fn nanoseconds_zero() -> Nanoseconds =
-  { count: 0 }
-
-fn timing_sequential_identity() -> TimingMeasurement =
-  Observed { duration: nanoseconds_zero() }
-
-// Branch composition (`Lens<TimingMeasurement>.branch`).
-fn timing_branch_op(a: TimingMeasurement, b: TimingMeasurement) -> TimingMeasurement =
-  timing_measurement_lens_combine(a, b, false)
-
-// 🟡 TRANSITIONAL pre-L1.5 scaffold reconciliation for SELF_HOSTING.md
-// §14.6. Gate #58 timing enforcement predates the row #106 mandatory
-// correction carrier and does not yet preserve the source span needed
-// to rewrite the modeled timing witness safely. This is not a waiver
-// for post-L1.5 lenses: the retirement plan below is the explicit
-// obligation to replace this deferral with a LiveCorrection once the
-// timing enforcement diagnostic threads source-span evidence for the
-// offending timing measurement/budget row.
-fn timing_lens_correction_retirement_plan() -> RetirementPlan =
-  {
-    owner: "R3 Gap 9 row #106 timing-lens diagnostic roundtrip"
-    exit_condition: "thread timing measurement/budget source spans through gate #58 enforcement and replace this scaffold diagnostic with a generated/data-backed LiveCorrection"
-  }
-
-fn timing_lens_deferred_correction() -> Correction =
-  DeferredCorrection(
-    "TimingLensScaffoldDiagnostic does not yet compute a source-level live correction witness",
-    timing_lens_correction_retirement_plan()
-  )
-
-// Reads the reflected `span` on a `Behavior` (same partition as
-// `v3.lenses.infer_helpers.behavior_span`; kept here so `v3.std.timing_lens`
-// does not depend on `v3.lenses.*`).
-fn timing_lens_behavior_span(b: Behavior) -> SourceSpan =
-  match b {
-    Value(v) => v.span
-    Transform(t) => t.span
-    Branch(br) => br.span
-    Loop(l) => l.span
-    Bind(bind) => bind.span
-  }
-
-// Placeholder `Diagnostic` for scaffold validate: non-`Observed` carriers are
-// not admissible as validated evidence until runner-backed observation wiring
-// lands (`ResolveError` is the closest Layer-1 kind for “evidence not resolved”).
-fn timing_lens_scaffold_non_evidence_diagnostic(text: String, at: SourceSpan) -> Diagnostic =
-  {
-    kind: CompilerKind(ResolveError)
-    span: at
-    message: text
-    correction: timing_lens_deferred_correction()
-  }
-
-// Degenerate DAG case: no declarations (cannot borrow a declaration `span`).
-// Arrow return type directs `SourceSpan` field narrowing (DB-11), matching
-// `LensRegistryEntry`-style `FilePath` witnesses plus kernel `Int` literals.
-fn timing_lens_degenerate_empty_dag_span() -> SourceSpan =
-  {
-    file: timing_lens_module_path_witness()
-    start: 0
-    end: 0
-  }
-
-// Threads `d` through `behavior_spine` so `lenses.unused_parameters` stays
-// clean. Non-`Observed` validation is fail-closed (P3): always `SomeDiagnostic`.
-// With a non-empty spine, attach the first node's reflected `span`; when the
-// spine is empty, attach the first declaration's substrate `span` (still a
-// real `SourceSpan` witness). The inner `Empty` arm covers the degenerate
-// no-declaration DAG case; see `timing_lens_degenerate_empty_dag_span`.
-fn timing_lens_validate_non_observed(d: Dag, text: String) -> OptionalDiagnostic =
-  match behavior_spine(d) {
-    Empty =>
-      match d.declarations {
-        Cons(dd) =>
-          SomeDiagnostic {
-            value: timing_lens_scaffold_non_evidence_diagnostic(text, dd.head.span)
-          }
-        Empty =>
-          SomeDiagnostic {
-            value: timing_lens_scaffold_non_evidence_diagnostic(
-              text,
-              timing_lens_degenerate_empty_dag_span()
-            )
-          }
-      }
-    Cons(payload) =>
-      SomeDiagnostic {
-        value: timing_lens_scaffold_non_evidence_diagnostic(
-          text,
-          timing_lens_behavior_span(payload.head)
-        )
-      }
-  }
-
-// Bounded iteration witness hook — until `LoopBound` measure ports lower into
-// compositional timing algebra, **`Observed` × any bound must not return the
-// same `Observed`** (P3: that would fabricate loop-correct timing while silently
-// discarding the bound). Fault arms pass through unchanged (see module banner).
-fn timing_measurement_iterate(body: TimingMeasurement, bound: LoopBound) -> TimingMeasurement =
-  match body {
-    Observed { duration: _ } =>
-      match bound {
-        Cardinality(_) => timing_measurement_unobserved()
-        Descent(_) => timing_measurement_unobserved()
-      }
-    Unobserved => Unobserved
-    Ambiguous => Ambiguous
-    Stale => Stale
-  }
-
-// `d` / `b` are threaded through trivial substrate queries so
-// `lenses.unused_parameters` does not flag scaffold roots on `Dag::new()`
-// (full bootstrap clone). Semantics stay fail-open until observation wiring lands.
-//
-// P3 / DB-3 (witness partition): `Inhabits(Unobserved)` is not "success" that hides
-// absent evidence -- `Unobserved` is the `TimingMeasurement` report that no
-// external timing row is attached yet (no fabricated `Observed` / `Nat` magnitude).
-// `Violates` on `Witness<_>` is for policy/dimension faults once real `read` rules
-// exist; routing "no row yet" through `Violates` would collapse the carrier's
-// `Unobserved` arm into the wrong DB-3 bucket. See `docs/design-timing-lens.md` section 1.3
-// and `dimensions.dag` on `Witness<Carrier>`.
-fn timing_lens_read(d: Dag, b: Behavior) -> Witness<TimingMeasurement> =
-  match b {
-    Value(_) =>
-      if is_empty(behavior_spine(d)) then Inhabits(timing_measurement_unobserved()) else Inhabits(timing_measurement_unobserved())
-    Transform(_) =>
-      if is_empty(behavior_spine(d)) then Inhabits(timing_measurement_unobserved()) else Inhabits(timing_measurement_unobserved())
-    Branch(_) =>
-      if is_empty(behavior_spine(d)) then Inhabits(timing_measurement_unobserved()) else Inhabits(timing_measurement_unobserved())
-    Loop(_) =>
-      if is_empty(behavior_spine(d)) then Inhabits(timing_measurement_unobserved()) else Inhabits(timing_measurement_unobserved())
-    Bind(_) =>
-      if is_empty(behavior_spine(d)) then Inhabits(timing_measurement_unobserved()) else Inhabits(timing_measurement_unobserved())
-  }
-
-fn timing_lens_validate(d: Dag, composed: TimingMeasurement) -> OptionalDiagnostic =
-  match composed {
-    Observed { duration: _ } =>
-      if is_empty(behavior_spine(d)) then NoDiagnostic else NoDiagnostic
-    Unobserved =>
-      timing_lens_validate_non_observed(
-        d,
-        "timing_lens_validate: TimingMeasurement.Unobserved is not admissible evidence at this scaffold (missing external timing row)."
-      )
-    Ambiguous =>
-      timing_lens_validate_non_observed(
-        d,
-        "timing_lens_validate: TimingMeasurement.Ambiguous is not admissible evidence at this scaffold (conflicting timing facts)."
-      )
-    Stale =>
-      timing_lens_validate_non_observed(
-        d,
-        "timing_lens_validate: TimingMeasurement.Stale is not admissible evidence at this scaffold (digest/run mismatch vs attachment)."
-      )
-  }
-
-// ── T-LAS / T-Lens-Self-Application — gate #58 `apply_lens_self_application_demonstrated` ──
-//
-// Canonical `EnforceableLens` for timing contracts on workflow-shaped sections. Enforcement
-// fail-closes on `Unobserved` / `Ambiguous` / `Stale` (typed `NonEvidenceUsage` projection) and on
-// `Observed` durations strictly above the user `TimingBudget.max` ceiling (same reflexive edge as
-// gate #94 memory-peak: `>` not `>=`). Host consumer: `enforced_lens_application` (mirrors
-// `complexity_enforceable` wiring for gate #92).
-//
-// P2: `violates` takes the full `TimingMeasurement` (see `LensEnforcement` in
-// `lens_application.dag`) so non-evidence variants fail closed without comparing sentinels inside
-// `TimingBudget`. `project` returns `TimingEnforcementProjected` — never overloads
-// `TimingBudget.max.count` with a second meaning for faults (codex 10994 / openai-pro gate #58).
-//
-// `timing_enforcement_fault_sentinel_count` remains a substrate-named regression literal (unit
-// tests: observed wall ns equal to this magnitude is ordinary evidence, not a fault short-circuit).
-
-fn timing_enforcement_fault_sentinel_count() -> Nat =
-  999999999999999999
-
-fn timing_enforcement_project(m: TimingMeasurement) -> TimingEnforcementProjected =
-  match m {
-    Observed { duration: d } => TimedUsage { max: d }
-    Unobserved => NonEvidenceUsage
-    Ambiguous => NonEvidenceUsage
-    Stale => NonEvidenceUsage
-  }
-
-fn timing_enforcement_violates(m: TimingMeasurement, declared: TimingBudget) -> Bool =
-  match m {
-    Observed { duration: d } =>
-      if d.count > declared.max.count then 0 == 0 else 0 == 1
-    Unobserved => 0 == 0
-    Ambiguous => 0 == 0
-    Stale => 0 == 0
-  }
-
-data timing_lens_monoid: Monoid<TimingMeasurement> = {
-  op: timing_sequential_op
-  identity: Observed { duration: { count: 0 } }
-}
-
-data timing_lens: TimingLens = {
-  name: "timing"
-  read: timing_lens_read
-  sequential: timing_lens_monoid
-  branch: timing_branch_op
-  iterate: timing_measurement_iterate
-  validate: timing_lens_validate
-}
-
-data timing_enforcement: LensEnforcement<TimingMeasurement, TimingBudget, TimingEnforcementProjected> = {
-  project: timing_enforcement_project
-  violates: timing_enforcement_violates
-}
-
-data timing_enforceable: EnforceableLens<TimingMeasurement, TimingBudget, TimingEnforcementProjected> = {
-  lens: timing_lens
-  enforcement: timing_enforcement
-}
diff --git a/src/v3/std/tokenize.dag b/src/v3/std/tokenize.dag
deleted file mode 100644
index 7c79e3e266a..00000000000
--- a/src/v3/std/tokenize.dag
+++ /dev/null
@@ -1,145 +0,0 @@
-// v3.std.tokenize — shared token taxonomy for `.dag` source text.
-//
-// The tokenizer implementation in `src/v3/compiler/tokenize.dag` consumes these
-// types as imported authority. That keeps token shapes in `std/` so compiler
-// consumers and future user-space tooling read the same `Token` / `TokenKind`
-// vocabulary.
-
-module v3.std.tokenize
-
-import v3.std.substrate { SourceSpan }
-
-// 🟢 TERMINAL at the shared token-taxonomy scope. The token-kind split is the
-// durable surface any `.dag` consumer shares: compiler tokenizer, parser,
-// formatters, linters, and editor tooling all read the same lexical categories.
-type TokenKind
-  = KwLet
-  | KwIf
-  | KwThen
-  | KwElse
-  | KwFn
-  | KwType
-  | KwModule
-  | KwImport
-  | KwMatch
-  | KwData
-  | KwWhere
-  | KwTrue
-  | KwFalse
-  | Ident(String)
-  // Signed decimal string; same authority as `substrate.dag` `LitInt(String)`.
-  | IntLit(String)
-  | StringLit(String)
-  | Eq
-  | EqEq
-  | NotEq
-  | Lt
-  | Le
-  | Gt
-  | Ge
-  | Plus
-  | Minus
-  | Star
-  | Slash
-  | AmpAmp
-  | PipePipe
-  | Colon
-  | Arrow
-  | FatArrow
-  | PipeArrow
-  | Dot
-  | LParen
-  | RParen
-  | LBrace
-  | RBrace
-  | LBracket
-  | RBracket
-  | Comma
-  | Semicolon
-  | Pipe
-  | Question
-  | Caret
-  | Eof
-
-// 🟢 TERMINAL. Source-range-carrying token record used by the tokenizer and any
-// downstream consumer of `.dag` lexical streams.
-type Token {
-  kind: TokenKind
-  span: SourceSpan
-}
-
-// Dedicated keyword tokens for the v3 tokenizer. Their spellings derive from
-// `dsl/extdeps/languages/dag/syntax.dag`'s `dag_keyword_set`; tokenizer
-// authority only declares which dedicated keyword variants exist.
-// 🟢 TERMINAL. This keyword-only partition is a durable derived view over the
-// shared token taxonomy, not a bootstrap-local scaffold.
-type KeywordTokenKind
-  = KwLet
-  | KwIf
-  | KwThen
-  | KwElse
-  | KwFn
-  | KwType
-  | KwModule
-  | KwImport
-  | KwMatch
-  | KwData
-  | KwWhere
-  | KwTrue
-  | KwFalse
-
-// Dedicated punctuation tokens for the v3 tokenizer. Shared operator spellings
-// derive from `dsl/extdeps/languages/dag/syntax.dag`'s `dag_operators`;
-// `LocalPunctSpec` rows in the tokenizer authority cover only punctuation that
-// the shared syntax authority does not model.
-// 🟢 TERMINAL. This punctuation-only partition is the stable target for local
-// punctuation rows plus shared-operator derivation.
-type PunctTokenKind
-  = Eq
-  | EqEq
-  | NotEq
-  | Lt
-  | Le
-  | Gt
-  | Ge
-  | Plus
-  | Minus
-  | Star
-  | Slash
-  | AmpAmp
-  | PipePipe
-  | Colon
-  | Arrow
-  | FatArrow
-  | PipeArrow
-  | Dot
-  | LParen
-  | RParen
-  | LBrace
-  | RBrace
-  | LBracket
-  | RBracket
-  | Comma
-  | Semicolon
-  | Pipe
-  | Question
-  | Caret
-
-// 🟢 TERMINAL. Tokenizer-local punctuation rows are shared lexical facts once
-// authored; moving them to `std/` dissolves the old compiler-only duplicate
-// authority rather than creating a new scaffold.
-type LocalPunctSpec {
-  pattern: String
-  kind: PunctTokenKind
-}
-
-// After `\` inside a string literal: map the next source byte (as a
-// one-character `suffix`) to a Unicode scalar emitted into the string value.
-// Unknown suffixes are not listed here; the projection preserves historical
-// behavior (`\` + literal suffix char).
-// 🟢 TERMINAL. Escape rows are lexical facts of the shared `.dag` token surface,
-// not a temporary compiler bridge.
-type StringEscapeSpec {
-  suffix: String
-  output_codepoint: Int
-}
diff --git a/src/v3/std/verification.dag b/src/v3/std/verification.dag
deleted file mode 100644
index d902bd45d25..00000000000
--- a/src/v3/std/verification.dag
+++ /dev/null
@@ -1,689 +0,0 @@
-// std.verification — structural authority for generated tests.
-//
-// L1.5's contract is to declare what a test IS, not how a target
-// framework renders it. The compiler can then synthesize `TestClaim`
-// values structurally from std/ declarations and defer per-language
-// rendering to the target spec layer.
-//
-// **Bootstrap staging.** This file lives in `src/v3/std/` because
-// v2's recursive `dsl/` CI pipeline still cannot ingest the current
-// v3 grammar. It is the bootstrap-local authority for v3's testgen
-// surface today. `dsl/std/verification.dag` remains the older v2-era
-// behavioral-assertion model; it is not silently superseded here.
-// Convergence trigger: once v2 retires and the shared std tree can
-// host the v3 verification surface directly, dissolve the duplicate
-// definitions back to one `std.verification`.
-
-module std.verification
-
-import std.list { List, map }
-import std.types { FilePath, NonEmptyStr }
-import v3.std.substrate { ComparisonOp }
-import v3.std.timing_lens { TimingBudget, TimingMeasurement }
-import v3.spec.v3_l1 { DeclarationRef }
-import v3.std.resources { ResourceReference }
-import v3.std.bridge_ledger { BridgeLedgerRef }
-
-// R1C-A / T-TestGen PB-census predicate shape vocabulary. These are narrow
-// bootstrap-local carriers for R1C-D's census-as-TestClaim fixtures; the Rust
-// runner still owns evaluation against the live census authorities.
-type Path = FilePath
-type SnapshotRef = NonEmptyStr
-
-// R3 Cluster M generator-manifest substrate (Director ratifications
-// msg_05837745 + msg_606e0e50 + msg_8423d468 + msg_3b99a90f). One manifest
-// entry binds a generated output path to either a typed PENDING state (no
-// resolution data yet) or a fully RESOLVED state carrying its `DeclarationRef`
-// source authority + opaque `source_hash` reference (bare `NonEmptyStr` per
-// Q3-amend β; the follow-up runtime PR may re-introduce branded `ContentHash`
-// at its hash-derivation construction boundary).
-//
-// The sum-variant shape (Q-StubValuePosture (b), msg_3b99a90f) replaces the
-// prior struct-with-stubs framing that violated INVARIANTS P3 / C-9 ("missing
-// fields / values may not fabricate empty nodes or strings"). `PendingFact`
-// IS the typed "unknown" carrier — fixtures populate it without fabricating
-// `dag_source` / `source_hash` values; `ResolvedFact` materialization happens
-// in the follow-up Evaluator-Mgr-owned runtime PR as hash-derivation produces
-// real values. Gate #86 satisfies on shape (output_path is always present);
-// the 3-way byte-equality assertion only fires on `ResolvedFact` arms.
-type GeneratedManifestEntry
-  = PendingFact { output_path: Path }
-  | ResolvedFact {
-      output_path: Path
-      dag_source: DeclarationRef
-      source_hash: NonEmptyStr
-    }
-
-// R3 T-Workflow-As-Data gate #101 (`test_cost_dimension_landed`).
-//
-// Closed PB census-list constants are declared vocabulary, not string labels,
-// so fixtures can only point at typed list identities.
-type CensusListConstant {}
-
-data expected_hand_authored_non_test: CensusListConstant = {}
-data expected_hand_authored_test: CensusListConstant = {}
-data expected_hand_authored_fragments: CensusListConstant = {}
-
-// Closed PB subset predicates are declared values, not string labels, so
-// fixtures can only point at typed vocabulary entries.
-type LensProducerFilesSubsetPredicate {}
-
-data lens_producer_files_subset_predicate: LensProducerFilesSubsetPredicate = {}
-
-// Closed PB bin-shim predicate follows the same declaration-ref pattern
-// as the lens-producer subset.
-type BinShimFilesSubsetPredicate {}
-
-data bin_shim_files_subset_predicate: BinShimFilesSubsetPredicate = {}
-
-// Closed PB consolidation ratchets follow the same declaration-ref pattern.
-type CompilerStdPositiveSetRatchet {}
-
-data compiler_std_positive_set_ratchet: CompilerStdPositiveSetRatchet = {}
-
-// **🟡 Scaffold — DiagnosticKind.** This mirrors the compiler's native
-// diagnostic taxonomy until reflected substrate diagnostic facts can be
-// consumed directly from `std.verification`.
-// Dissolution trigger: replace this mirror with typed references once
-// substrate diagnostics are surfaced as declaration-shaped facts.
-type DiagnosticKind
-  = TokenizerError
-  | ParseError
-  | TypeMismatch
-  | ArityMismatch
-  | ResolveError
-  | UnitMismatch
-  | BranchConditionNotBool
-  | MagnitudeOutOfRange
-  | MalformedIntegerRangeFact
-  | NominalOpacityViolation
-
-// **🟡 Scaffold — DiagnosticDetailExpectation.** Bootstrap-local bridge
-// for kind-only vs detail-narrowed diagnostic matching while
-// `std.verification` still lacks direct access to reflected substrate
-// diagnostics.
-// Dissolution trigger: replace this filter surface with typed edges into
-// the reflected diagnostic fact once that authority is available.
-type DiagnosticDetailExpectation
-  = AnyDetail
-  | Contains(String)
-
-// Diagnostic reference used by generated negative claims. `kind` is
-// structural and `detail_contains` narrows the match only when present.
-type DiagnosticReference {
-  kind: DiagnosticKind
-  detail_contains: DiagnosticDetailExpectation
-}
-
-// **🟡 Scaffold — PortStateExpectation.** This is the coarse projection
-// testgen currently needs from substrate `PortState` while verification
-// predicates remain bootstrap-local.
-// Dissolution trigger: point at substrate `PortState` directly once
-// `std.verification` can consume the reflected port-state fact without
-// treating `Uninferred` as an accidental test surface.
-type PortStateExpectation
-  = Resolved
-  | Unresolved
-
-// Closed comparator for measured Tier-3 perf-budget checks. Do not reuse
-// general `ComparisonOp`: `Gt` / `Ge` would invert the budget and let a
-// regression satisfy `PerfWithinBaseline`.
-type PerfBudgetComparisonOp
-  = AtMostBudget
-
-// **🟡 Scaffold — TestPredicate.** The remaining bootstrap carrier is
-// the outer "what property are we asserting?" coproduct. The
-// diagnostic, port-state, and cost-ordering sub-axes now flow through
-// structural carriers instead of parallel flat variants.
-// Dissolution trigger: dissolve this outer sum once verification
-// predicates are modeled as ordinary surfaced substrate facts instead
-// of a bootstrap-local predicate envelope.
-
-// **🟡 Scaffold — AlgebraicLawKind.** Enumeration of algebraic-law tags for
-// T-LensAPI composition gates (`AlgebraicLaw`); not yet backed by a dedicated
-// substrate law algebra.
-// Dissolution trigger: replace with reflected law witnesses once lens-algebra
-// facts are first-class declarations consumable from `std.verification`.
-type AlgebraicLawKind
-  = Associativity
-  | Commutativity
-  | Identity
-
-// Structural reference to a declaration whose body produces generated
-// `ProgramShape` values. The referenced declaration is the family authority;
-// new program families are new declarations, not new variants in a closed
-// roster.
-type ProgramGenerator {
-  generator: DeclarationRef
-}
-
-// A generated program's shape. Bootstrap starts with the literal source form
-// that matches `TestClaim.source` / `TestClaim.file_name`; richer shape
-// variants attach here only when a new primitive generated-program form lands.
-type ProgramShape
-  = LiteralProgram {
-      source: String
-      file_name: String
-    }
-
-type SymbolicCostBindParamExpected
-  = LinearCostForBindParam { var: BindParamSizeVariable }
-
-type BindParamSizeVariable
-  = SelectedBindParamSizeVariable
-
-type BindParamRef {
-  index: Int
-}
-
-// R3 T-Tests-As-Data-Completeness / gate #87 — canonical v3 lens capability register
-// (`docs/design-tests-as-data-completeness.md` §8.3). Status axes are closed coproducts
-// (not strings): misspellings are type errors at fixture load, and the runner rejects any
-// unexpected constructor id. `src/v3/compiler/tests/dag/cementing_dispatch.dag` imports
-// `lens_capability_register_rows` as the sole structural register body; prose in
-// `docs/v3-lens-capability-register.md` is a human mirror, not a second authority.
-type LensCapabilityStructuralStatus
-  = LensCapabilityStructuralTerminal
-  | LensCapabilityStructuralPartial
-
-type LensCapabilityBehavioralStatus
-  = LensCapabilityBehavioralComplete
-  | LensCapabilityBehavioralPartial
-  | LensCapabilityBehavioralStub
-  | LensCapabilityBehavioralNA
-
-type LensCapabilityV2Counterpart
-  = LensCapabilityV2RealV2
-  | LensCapabilityV2NoneV3Native
-  | LensCapabilityV2NotApplicable
-
-type LensCapabilityRegisterRow {
-  lens_basename: String
-  structural: LensCapabilityStructuralStatus
-  behavioral: LensCapabilityBehavioralStatus
-  v2_counterpart: LensCapabilityV2Counterpart
-}
-
-data lens_capability_register_rows: List<LensCapabilityRegisterRow> = [
-  {
-    lens_basename: "complexity.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2RealV2
-  },
-  {
-    lens_basename: "cost.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2RealV2
-  },
-  {
-    lens_basename: "cost_target_realization.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralNA
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "effect_enumeration.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "idempotency.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "parallelism.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "provenance.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "unused_parameters.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "variant_payload.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "structural_resolution.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralComplete
-    v2_counterpart: LensCapabilityV2NoneV3Native
-  },
-  {
-    lens_basename: "infer_helpers.dag"
-    structural: LensCapabilityStructuralPartial
-    behavioral: LensCapabilityBehavioralNA
-    v2_counterpart: LensCapabilityV2NotApplicable
-  },
-  {
-    lens_basename: "lower_helpers.dag"
-    structural: LensCapabilityStructuralPartial
-    behavioral: LensCapabilityBehavioralNA
-    v2_counterpart: LensCapabilityV2NotApplicable
-  },
-  {
-    lens_basename: "named_function_count.dag"
-    structural: LensCapabilityStructuralTerminal
-    behavioral: LensCapabilityBehavioralNA
-    v2_counterpart: LensCapabilityV2NotApplicable
-  }
-]
-
-type TestPredicate
-  = Compiles
-  | FailsWithDiagnostic(DiagnosticReference)
-  | OutputEquals { expected: String }
-  | PortHasState {
-      bind_name: String
-      state: PortStateExpectation
-    }
-  // Structural lowering receipt: named declaration must carry `refinement` after
-  // `compile_to_dag` on the claim program (DB-11 alias-RHS `where` survival).
-  | DeclarationHasRefinement {
-      declaration_name: String
-    }
-  | CostBounded {
-      bind_name: String
-      comparator: ComparisonOp
-      bound: Int
-    }
-  | BehavioralObservation {
-      subject: DeclarationRef
-      input_sample: DeclarationRef
-      expected_output: DeclarationRef
-    }
-  // Mock transport is **not** duplicated here: declare it only on
-  // `TestClaim.requires` (obligation-walk authority). This variant only pairs
-  // subject + invariant declarations for the behavioral check.
-  | MockBackedInvariant {
-      subject: DeclarationRef
-      invariant: DeclarationRef
-    }
-  // **🟡 Scaffold — ExecuteCommand.** Target-shaped bootstrap hook: names a host
-  // process + argv + expected exit code. This encodes *how* evidence is observed
-  // (process exit), not a pure declarative property — tolerated until the runner
-  // binds audited tools/capabilities from the target spec layer instead of raw
-  // `String` (illegal states / injection are unconstrained here by design).
-  // Dissolution trigger: lift to typed tool/capability references outside this sum
-  // once the substrate can express sandboxed execution without opaque command lines.
-  // Collapse with ForAllTargets: one capability-typed execution fact plus scope
-  // (once vs per emission target), not two parallel String/List/Int record shapes.
-  | ExecuteCommand {
-      command: String
-      args: List<String>
-      expect_exit_code: Int
-    }
-  // **🟡 Scaffold — ForAllTargets.** Per-emission-target gate: compile the claim's
-  // program (`TestClaim.source` / `TestClaim.file_name` — single authority; not
-  // duplicated here) for each known target, then observe the declared
-  // `ProgramOutputBind` on each target's emitted output (T-Emit omni-demo gate).
-  // Dissolution trigger: target-specific emission + verification facts live in the
-  // target spec / runner tables; this sum variant narrows to declarative edges only.
-  // Collapse with ExecuteCommand: same runner capability as singleton execution,
-  // scoped per target — do not preserve a second copy of the raw command triple.
-  | ForAllTargets {
-      command: String
-      args: List<String>
-      expect_exit_code: Int
-      input_ref: DeclarationRef
-    }
-  // **🟡 Scaffold — LensOutputEquals.** Apply named lens to named input declaration;
-  // compare output structurally to named expected declaration (T-LaneE).
-  // Dissolution trigger: lens application + equality are ordinary reflected facts
-  // instead of a bespoke predicate envelope.
-  | LensOutputEquals {
-      lens_ref: DeclarationRef
-      input_ref: DeclarationRef
-      expected_ref: DeclarationRef
-    }
-  // **🟡 Scaffold — DifferentialEquals.** Evaluate subject and oracle on the same
-  // input declaration; assert structural equality of outputs (T-LaneE oracle diff).
-  // Dissolution trigger: differential checks become surfaced substrate comparisons.
-  | DifferentialEquals {
-      subject_ref: DeclarationRef
-      oracle_ref: DeclarationRef
-      input_ref: DeclarationRef
-    }
-  // **🟡 Scaffold — SymbolicCostExprEquals.** Apply the symbolic-cost lens
-  // to the claim's program-under-test (`TestClaim.source` for enumerated
-  // claims; `ProgramShape.source` for quantified claims once Slice 1
-  // lands), then compare the resulting `SymbolicCost` value structurally
-  // to a declared expected `data X: SymbolicCost = …`. One `DeclarationRef`
-  // payload because `actual` is implicit (program-under-test convention,
-  // mirroring `Compiles` / `OutputEquals` / `CostBounded` — every other
-  // predicate that reads from the program also relies on this convention
-  // rather than carrying a redundant `input_ref`).
-  //
-  // Why a dedicated predicate, not `LensOutputEquals(symbolic_cost_lens, …)`
-  // or `BinaryDimensionReportEquals(left, right)`:
-  //   - `LensOutputEquals` carries an explicit `input_ref: DeclarationRef`,
-  //     so it cannot project against a generated `ProgramShape` from a
-  //     `QuantifiedTestClaim`. Heuristic-cost-function-5th-gate testgen
-  //     specifically needs the per-generated-program shape.
-  //   - `BinaryDimensionReportEquals` wraps `SymbolicCost` in
-  //     `DimensionReport<SymbolicCost>`'s `Ok | Fail` partition + witnesses;
-  //     law-shape equality (the heuristic-cost-function use case) does not
-  //     need the report partition, and the existing variant is shape-only
-  //     until the generic DimensionReport producer/evaluator path lands.
-  //
-  // Runner status: shape-only until the heuristic-cost-function-5th-gate
-  // testgen dispatch authors the eval (Verification follow-up). The runner
-  // stub returns `ClaimResult::NotYetImplemented` naming the missing eval,
-  // the same pattern other shape-only scaffolds (`BinaryDimensionReportEquals`,
-  // `CensusBoundCheck`, `FixedPointConverges`, etc.) already use.
-  // Dissolution trigger: when `SymbolicCost` is reflected as a
-  // first-class substrate fact and direct expression equality can be
-  // expressed as an ordinary surfaced comparison rather than a bespoke
-  // predicate envelope.
-  | SymbolicCostExprEquals {
-      expected: DeclarationRef
-    }
-  | SymbolicCostExprEqualsForBindParam {
-      expected: DeclarationRef
-      param: BindParamRef
-    }
-  // **🟢 TERMINAL at T-Tier3 P1 substrate scope.** Compare a measured
-  // `PerfBaselineMeasurement` declaration against a declared baseline
-  // measurement. The runner applies the ratified Tier-3 ratio budget:
-  // median uses baseline * 2 and p99 uses baseline * 5. `comparator`
-  // is a closed budget comparator, not general `ComparisonOp`.
-  | PerfWithinBaseline {
-      subject: DeclarationRef
-      comparator: PerfBudgetComparisonOp
-      baseline_ref: DeclarationRef
-    }
-  // **🟡 Scaffold — BinaryDimensionReportEquals.** Compare two declarations
-  // that produce `DimensionReport<C>` values by structural equality. This is
-  // intentionally one binary predicate for TC1 eta-equivalence, TC2 strategy
-  // order independence, and TC3 evaluation-step witness parity; per-TC
-  // interpretation belongs in the referenced report producers, not in parallel
-  // predicate variants.
-  // Runner status: shape-only until the generic DimensionReport producer/evaluator
-  // path lands. Consumers must not compare serialized reports.
-  | BinaryDimensionReportEquals {
-      left_report_ref: DeclarationRef
-      right_report_ref: DeclarationRef
-    }
-  // **🟡 Scaffold — AlgebraicLaw.** Check a named algebraic law (see `AlgebraicLawKind`)
-  // against a named lens (T-LensAPI composition). `Associativity`, `Commutativity`, and `Identity`
-  // today: runner applies the compiled lens on bounded Int witness tables in `lens_apply`
-  // (`ASSOCIATIVITY_WITNESS_TRIPLES`, `COMMUTATIVITY_WITNESS_PAIRS`, identity candidate search),
-  // not declared law
-  // facts from `std.algebra` — see `eval_algebraic_law_for_claim_program` in `test_runner.rs`.
-  // Dissolution trigger: consume substrate law / witness metadata on the carrier; then either
-  // drop sample-only checks from this predicate or gate them behind explicit testgen claims.
-  | AlgebraicLaw {
-      law: AlgebraicLawKind
-      lens_ref: DeclarationRef
-    }
-  // R1C-A / T-TestGen schema extensions for the five PB census gates.
-  // These variants scope the structural shape R1C-D fixtures consume; they
-  // intentionally do not duplicate census lists into fixture text.
-  | CensusBoundCheck {
-      authority: DeclarationRef
-      list_constant: CensusListConstant
-      bound: Int
-    }
-  | CensusSubsetCount {
-      authority: DeclarationRef
-      list_constant: CensusListConstant
-      subset_predicate: DeclarationRef
-    }
-  // R3 §1.8 gate #16 / T-FixedPoint — **not dispatch-eligible for strong suite here.**
-  // R1 `pb_self_compile_fixed_point` composes this variant today; the R3 thesis
-  // horizon adds distinct `pb_self_compile_fixed_point_strong` claims only after
-  // joint preconditions in `docs/briefs/r3-pb-t-fixedpoint-worker.md` §"Dispatch
-  // preconditions". Do not rename or shadow the R1 claim; do not extend this
-  // enum from PB without Substrate ack (see `INVARIANTS.md` P1).
-  // 2026-05-13 joint-precondition coordination audit:
-  // `docs/audit/r3-gap3-fixed-point-precondition-coordination-2026-05-13.md` —
-  // all four joint preconditions non-green at HEAD; strong suite stays unauthored.
-  | FixedPointConverges {
-      compile_target: Path
-      expected: SnapshotRef
-    }
-  | RatchetZero {
-      authority: DeclarationRef
-      ratchet_kind: DeclarationRef
-    }
-  // R3 Cluster M substrate-shape refinement (Director ratification msg_05837745
-  // + amendment msg_606e0e50). `manifest_entries` replaces `generated_paths`
-  // ahead of the follow-up Evaluator-Mgr-owned runtime PR that introduces the
-  // 3-way byte-equality assertion + directory-walk orphan-output detection at
-  // the well-known `src/v3/compiler/tests/` scan-root. At the runner boundary
-  // today: each `output_path` must be in `GENERATED_FILES` (from
-  // `build.rs::REGEN_OUTPUTS`), the manifest must enumerate that authority
-  // **exactly once each** (no duplicates / omissions), and the SG-0
-  // `expected_hand_authored_test` census must be empty (Gate #84 negative
-  // authority). A future `scan_root: Path` (or `TestRootRef`) field is a
-  // Q4-amendment trigger flagged for the follow-up runtime PR.
-  | GeneratedFromDag {
-      authority: DeclarationRef
-      manifest_entries: List<GeneratedManifestEntry>
-    }
-  // **🟢 TERMINAL — Band-C cementing dispatch.** The runner fail-closes unless the
-  // `TestClaim` is declared in `src/v3/compiler/tests/dag/cementing_dispatch.dag`.
-  // Payload names two `DeclarationRef` edges: `capability_register` (a `List` of
-  // `LensCapabilityRegisterRow` values — canonical `data lens_capability_register_rows`
-  // in this module) and `cementing_receipts` (the Band-C receipt list in the suite
-  // fixture). Evaluation projects bootstrap `LensRegistryEntry` (`regen.dag`) rows
-  // whose `lens_file` basename appears in the register slice with behavioral axis
-  // `LensCapabilityBehavioralComplete` plus v2 axis `LensCapabilityV2RealV2` **or**
-  // `LensCapabilityV2NoneV3Native` (v3-native behavioral-complete gate-#87 harnesses),
-  // expands each matched pair to the closed roster of `(registry_name, module_stem, kind)`
-  // receipts, then asserts the `cementing_receipts` list matches that expansion
-  // **exactly** (set equality on receipt triples, not merely registry-name keys), that
-  // receipt triples are unique, and each receipt's on-disk harness exists (`tests/dag/<stem>.dag` vs
-  // `integration/cementing/<stem>.rs` + `tests/integration.rs` wiring for temporary Rust
-  // receipts). See `cementing_dispatch::evaluate_cementing_dispatch_projection`.
-  | CementingDispatchMatchesProjection {
-      capability_register: DeclarationRef
-      cementing_receipts: DeclarationRef
-    }
-  // **🟡 Scaffold — ReleaseDeferredClaim.** R1 release-acceptance concession
-  // marker. Use only in release-acceptance fixtures with explicit Director
-  // sign-off; this is not a generic escape hatch for arbitrary `TestSuite`s.
-  // The runner validates the three `DeclarationRef` edges resolve to
-  // fixture-local role markers named `R1GateMarker`, `TargetLaneMarker`, and
-  // `ReleaseAuthorityDoc`; only then does it treat the well-formed deferral as
-  // a structural acceptance fact. Release-cycle deferral; target lanes may
-  // point at R2, R3, or later release-cycle authorities with explicit Director
-  // sign-off.
-  // Dissolution trigger: when the deferred release target lane's own `.dag`
-  // acceptance claim lands and evaluates green, replace the corresponding
-  // `ReleaseDeferredClaim` fixture row with that strict claim (or delete this
-  // variant entirely once the R1 release-acceptance wrapper retires).
-  | ReleaseDeferredClaim {
-      deferred_gate: DeclarationRef
-      target_lane: DeclarationRef
-      authority_doc: DeclarationRef
-    }
-  // **🟡 Scaffold — SubstrateResearchDeferredClaim.** R2 substrate / TC1 research
-  // deferral marker — distinct from R1 `ReleaseDeferredClaim` release authority.
-  // The runner accepts this predicate only for claims declared in
-  // `src/v3/compiler/tests/fixtures/tc1_substrate_lens_eta_equivalence_deferred.dag`
-  // and requires `DeclarationRef` edges to fixture-local role types
-  // `Tc1ResearchGateMarker`, `SubstrateLensPrimitiveTargetLaneMarker`, and
-  // `LambdaCalculusGroundingAuthorityDoc`.
-  // Dissolution trigger: replace with a strict lens/substrate theorem claim when
-  // T-Substrate-Lens-Primitive lands.
-  | SubstrateResearchDeferredClaim {
-      deferred_gate: DeclarationRef
-      target_lane: DeclarationRef
-      authority_doc: DeclarationRef
-    }
-  // 🟢 TERMINAL at PR-α scope. Bridge-retirement ledger zero-residual
-  // gate. `ledger: BridgeLedgerRef` points at the canonical
-  // `bridge_ledger` declaration of type `List<BridgeLedgerRow>`
-  // (`v3.std.bridge_ledger`); the runner reads every row's `status`
-  // field and `Pass`es iff every row's status resolves to the
-  // `Retired` constructor of `BridgeStatus`. Open rows produce `Fail`
-  // with the offending names so the diagnostic surfaces the residual
-  // debt directly. The wrapped `BridgeLedgerRef` makes the ledger-
-  // target intent structural at the field-type level (mirror of
-  // `MethodRef` / `CallableRef`); the canonical-identity check
-  // (decl == `bridge_ledger`) lands at the runner boundary in
-  // `eval_bridge_ledger_zero` until refinement-typing on
-  // `DeclarationRef` retires the wrapper class.
-  | BridgeLedgerZero {
-      ledger: BridgeLedgerRef
-    }
-
-// Structural runner input role for predicates whose input is the compiled
-// `TestClaim.source` program.
-type ProgramInput {}
-
-// Structural output-bind selector for predicates that compare a lens result
-// against one bind in the compiled `TestClaim.source` program.
-type ProgramOutputBind {
-  output_ref: DeclarationRef
-}
-
-// `requires` is the **only** place `ResourceReference` edges attach for a claim
-// (including mock backends when `predicate` is `MockBackedInvariant`). No parallel
-// resource slots on predicate variants — `obligation_for_claim` / materialization
-// read this list alone, so facts cannot diverge.
-//
-// **Program under test (single authority).** `source` / `file_name` name the
-// compilation unit the runner loads for this claim — including when the predicate
-// is `ForAllTargets` (that variant does not repeat them; consumers must not fork
-// a second copy of the same text in the predicate record).
-type TestClaim {
-  name: String
-  source: String
-  file_name: String
-  predicate: TestPredicate
-  requires: List<ResourceReference>
-}
-
-// Closed quantifier over a generated program family. This lives at the
-// claim layer, not inside `TestPredicate`, so predicates keep their
-// "property of one program" meaning.
-type Quantifier
-  = ForAll
-  | Exists
-
-type QuantifiedTestClaim {
-  name: String
-  generator: ProgramGenerator
-  quantifier: Quantifier
-  predicate: TestPredicate
-  requires: List<ResourceReference>
-}
-
-// T-Workflow-As-Data interim transport.
-//
-// Committed `.github/workflows/ci.yml` remains the hand-edited source of truth until the T-24 CI
-// model emits it. `CIWorkflowDag` carries gate topology only; Actions transport projection is
-// deferred to T-24 `src/v4/workflow/ci.dag`.
-//
-// R3 T-Workflow-As-Data gate #101 (`test_cost_dimension_landed`).
-//
-// Test execution cost is the timing substrate projected onto a test node in
-// the modeled graph (`TestNodeCostDimension` on `TestNodeRef`) — not a
-// verification-local scalar dimension. CI projects warn-only libtest tokens from
-// `dsl/gunbc/test_node_wall_clock_ratchet.dag` via the `wall_clock_ratchet_manifest`
-// projection into the JSONL shape `scripts/check-test-timeout.sh` consumes (**interim bridge** —
-// not #102 closure; no checked-in JSONL manifest).
-// `TestNodeRef` is a closed test-typed edge: only modeled `TestClaim` /
-// `QuantifiedTestClaim` nodes can inhabit it, so arbitrary declarations cannot
-// masquerade as test nodes. The budget/report fields reuse T-WAD's existing
-// `TimingBudget` / `TimingMeasurement` authority over `Nanoseconds`, so #102
-// can derive slow-test **policy** from those facts once the runner consumes
-// them instead of the side manifest (no parallel duration algebra here).
-//
-// PRACTICE 4 CHECKPOINT: 🟡 SCAFFOLD — this coproduct intentionally mirrors
-// `SuiteClaim`'s enumerated/quantified axis at the cost-attachment boundary so
-// #102 can derive slow-test status for both concrete and generated test nodes
-// without reopening `TestNodeCostDimension`. It is not a second suite-entry
-// roster: `SuiteClaim` remains the ordered suite membership authority, while
-// `TestNodeRef` is only the typed subject edge for cost facts. Dissolution
-// trigger: when #102 wires the slow-test ratchet to the v3 timing authority,
-// collapse any unconsumed arm or reuse `SuiteClaim` directly if the ratchet only
-// needs suite-entry identity rather than a cost-fact subject role.
-type TestNodeRef
-  = EnumeratedTestNode(TestClaim)
-  | QuantifiedTestNode(QuantifiedTestClaim)
-
-type TestNodeCostDimension {
-  node: TestNodeRef
-  budget: TimingBudget
-  measured: TimingMeasurement
-}
-
-// **🟢 TERMINAL — SuiteClaim.** Closed two-variant coproduct exhausting the
-// structurally meaningful suite-entry shapes: an existing single-source
-// `TestClaim` (`Enumerated`) and a generator-driven property-based family
-// (`Quantified(QuantifiedTestClaim)`). One ordered carrier preserves reporting
-// and dependency order without parallel enumerated/quantified lists (gate #85
-// CONSUMER_LANDED wrapper migration; per design `docs/design-tests-as-data-completeness.md`
-// §2.2). New suite-entry shapes are new variants on this sum, not new carriers
-// or parallel fields; richer quantifier vocabularies attach by extending
-// `Quantifier` or by adding fields on `QuantifiedTestClaim`, not by widening
-// `SuiteClaim`.
-type SuiteClaim
-  = Enumerated(TestClaim)
-  | Quantified(QuantifiedTestClaim)
-
-type TestSuite {
-  name: String
-  claims: List<SuiteClaim>
-}
-
-// DB-15 — dependency-walk projection: each claim's `requires` list is the
-// obligation surface the compiler's declaration DAG consumes (no workflow
-// structure — that is a separate layer).
-type TestObligation {
-  claim_name: String
-  resources: List<ResourceReference>
-}
-
-// **Single authority for resource edges (including mock backends).** Every
-// `ResourceReference` for obligation materialization lives on `TestClaim.requires`
-// only. `TestPredicate` variants (including `MockBackedInvariant`) never carry
-// parallel resource facts — downstream walks call this projection instead of
-// inspecting the predicate for mock transports.
-fn claim_obligation_resources(c: TestClaim) -> List<ResourceReference> {
-  c.requires
-}
-
-fn obligation_for_claim(c: TestClaim) -> TestObligation {
-  TestObligation { claim_name: c.name, resources: claim_obligation_resources(c) }
-}
-
-// `QuantifiedTestClaim` projects onto the same obligation surface — `requires`
-// is the sole authority per design §2.2. Generator/quantifier shape is
-// orthogonal to the dependency-walk fact and never adds parallel edges.
-fn obligation_for_quantified_claim(q: QuantifiedTestClaim) -> TestObligation {
-  TestObligation { claim_name: q.name, resources: q.requires }
-}
-
-// SuiteClaim-level projection — dispatches the suite-entry coproduct onto the
-// shared `TestObligation` surface so `QuantifiedTestClaim.requires` flows
-// forward through the dependency-walk on equal footing with enumerated claims
-// (INVARIANTS P2 — facts flow forward through a single carrier).
-fn obligation_for_suite_claim(entry: SuiteClaim) -> TestObligation =
-  match entry {
-    Enumerated(c) => obligation_for_claim(c)
-    Quantified(q) => obligation_for_quantified_claim(q)
-  }
-
-fn materialize_test_obligations(claims: List<SuiteClaim>) -> List<TestObligation> {
-  map(claims, obligation_for_suite_claim)
-}
diff --git a/src/v3/std/workflows.dag b/src/v3/std/workflows.dag
deleted file mode 100644
index 32b0fbb6e2f..00000000000
--- a/src/v3/std/workflows.dag
+++ /dev/null
@@ -1,22 +0,0 @@
-// std.workflows — workflow spine helpers for DB-3 dimension analysis.
-//
-// 🟢 TERMINAL at Lane 2 Stage 2f scope for the **ordered behavior list**
-// contract. `behavior_spine` names the same forward `Dag.nodes` order
-// `lenses/cost.dag` uses in `compute_symbolic_costs` — witness order for
-// per-Behavior dimensions must stay aligned with that fold.
-//
-// **Not in this module yet:** mapping `WorkflowEffect::LinearEffect` ops to
-// substrate `Behavior` nodes (needs op→node wiring in the lane2 carrier).
-// Until that lands, whole-program dimension analysis reads the spine below;
-// workflow-scoped idempotency-class dimensions continue to consume
-// `Operation` lists directly (`std.effects`).
-
-module v3.std.workflows
-
-import std.list { List }
-import std.substrate { Dag, Behavior }
-
-// Ordered behaviors in construction order — authority for DB-3 witness lists
-// when analyzing per-Behavior dimensions (symbolic cost, future user dims).
-fn behavior_spine(d: Dag) -> List<Behavior> =
-  d.nodes